Description:TECHNICAL FIELD

[001] The present disclosure relates in general to vehicles, for example, an electric vehicle. More particularly, the present disclosure relates to a rear structure including battery case for the electric vehicle. Further embodiments of the disclosure disclose a locking device for the battery case of the electric vehicle.

BACKGROUND

[002] The information in this section merely provides background information related to the present disclosure and may not constitute prior art(s) for the present disclosure.

[003] Vehicles such as two-wheeled, three wheeled vehicle or four wheeled vehicle is a significant mode of public as well as goods transportation in developing countries. It is vastly used as a point-to-point mode of transport in rural and urban areas. Generally, the motor vehicle has a driver compartment in a front portion and a passenger compartment or a loading deck in a rear portion. In case of a passenger vehicle, the rear compartment comprises of a passenger seat. The vehicle may have one or more energy sources such as the battery modules, which powers the vehicle. In some vehicles, the energy sources are generally fixed to the vehicle and requires effort and labour time to remove or replace. In some vehicles, although the energy sources are removably mounted using fastening means, snap joints and the like, the process of removing such energy sources is tedious during charging or maintenance. Further with advancement in electric vehicles, the battery modules are stored within the battery cases. The battery cases can be connected to the frame of the vehicles and such battery cases can be retracted to swap the battery modules. To lock or retract the battery case in the compartment is a very tedious task and consumes significantly more time.

[004] The present disclosure is directed to overcome one or more limitations stated above or any other limitations associated with the prior art.

SUMMARY

[005] One or more shortcomings of the prior art are overcome by device as disclosed henceforth and additional advantages are provided through the device as described in the present disclosure.

[006] In accordance with an aspect of the present disclosure, a locking device for a battery case of a vehicle is described. The locking device includes a linkage module being configured to selectively lock and unlock the battery case in a compartment of the vehicle. The linkage module includes first link having a first end pivotally connected to a frame of the vehicle, and a second link having a first end pivotally connected to a second end of the first link. A second end of the second link being configured to be operated between a first position and a second position relative to the first link. The linkage module further includes inter-connecting links pivotally connecting the first end of the first link and an intermediate portion between the first end and the second end of the second link. The second link and the interconnecting link being configured to pivot about the first link upon operating the second link between the first position and the second position. In the first position, the second link latches against the battery case to selectively lock battery case within the compartment. The configuration of the locking device ensures that the battery case is securely locked within the compartment and also allow easy retraction of the battery case from the compartment for any maintenance or swapping of battery modules.

[007] In an embodiment, the battery case is adapted to receive one or more battery modules. Since the battery case is a closed structure, the one or more battery modules are supported safely in the battery case.

[008] In an embodiment, the interconnecting links includes a third link having a first end pivotally connected to the intermediate portion between the first end and the second end of the second link. The intermediate link may further include a fourth link having a first end pivotally connected to a second end of the third link and a second end pivotally connectable to the first end of the first link. The third link and the fourth link are configured to stabilise the movement of the second link between the first position and the second position. The provision of the interconnecting links ensures stabilised movement of the second link and also allowing the second link to follow arcuate path. Also, the interconnecting link aids in restricting the movement of the second link within a pre-defined level.

[009] In an embodiment, the device includes a locking lever pivotally mounted to the body frame defining the compartment. The locking lever is configured to engage and disengage with the linkage module to selectively lock and unlock the linkage module. The locking lever comprises a first end defined with a locking profile being configured to engage and disengage with the second link of the linkage module and a second end coupled to a resilient member. The locking lever is configured to be operated between an engaged condition and a disengaged condition. In the engaged condition of the locking lever, the linkage module is locked in the first position. In the disengaged condition of the locking lever, the linkage assembly being configured to be operated between the first position and the second position. The locking lever is spring biased towards disengaged condition. The locking lever ensures that the linkage assembly is in locked condition during working of the vehicle. The locking lever of the present disclosure doesn’t disengage from the linkage module until an external force is acted upon the locking lever.

[0010] In an embodiment, the device comprises a head cover secured to the linkage module. The head cover is configured to move with the linkage module. The head cover is adapted to impart force onto the one or more battery modules to restrict the movement of the one or more battery modules within the battery case during operation of the vehicle. The head cover is secured to the first end of the second link. The head cover being configured to move in concert with the second link to the first position and the second position along with the second link. The head cover being configured to impart load on the one or more battery modules accommodated in the battery case upon operating the second link to the first position from the second position.

[0011] In an embodiment, the second end of the second link defines a grip portion.

[0012] In accordance with another aspect of the present disclosure, an electric vehicle is described. The electric vehicle includes a body frame comprising a left side long member and a right-side long member. The body frame defining a modular front end and a rear end. The rear end supporting rear ground engaging members. The rear end includes one or more rear frame members rearwardly and upwardly from the left side long member and the right-side long member. A battery case is adapted to be movably receivable in a compartment defined by the body frame. The battery case being configured to be operated between a closed position and an open position. A locking device is provided to selectively lock and unlock the battery case in the compartment. The locking device includes a linkage module. The linkage module includes first link having a first end pivotally connected to a frame of the vehicle. A second link having a first end pivotally connected to a second end of the first link. A second end of the second link being configured to be operated between a first position and a second position relative to the first link. The linkage module further includes inter-connecting links pivotally connecting the first end of the first link and an intermediate portion between the first end and the second end of the second link. The second link and the interconnecting link being configured to pivot about the first link upon operating the second link between the first position and the second position. In the first position, the second link latches against the battery case to selectively lock battery case within the compartment. The configuration of the locking device ensures that the battery case is securely locked within the compartment.

[0013] It is to be understood that the aspects and embodiments of the disclosure described above may be used in any combination with each other. Several of the aspects and embodiments may be combined to form a further embodiment of the disclosure.

[0014] The foregoing summary is illustrative only and is not intended to be in any way limiting. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features will become apparent by reference to the drawings and the following detailed description.

BRIEF DESCRIPTION OF FIGURES

[0015] The novel features and characteristics of the disclosure are set forth in the description. The disclosure itself, however, as well as a preferred mode of use, further objectives, and advantages thereof, will best be understood by reference to the following description of an illustrative embodiment when read in conjunction with the accompanying drawings. One or more embodiments are now described, by way of example only, with reference to the accompanying drawings wherein like reference numerals represent like elements and in which:

[0016] FIG.1 illustrates a perspective view of a rear structure of a vehicle employing a battery case, in accordance with an embodiment of the present disclosure;

[0017] FIG.2 illustrates an exploded view of the battery case of FIG.1 with the locking device, in accordance with an embodiment of the present disclosure;

[0018] FIG.3 illustrates a side view of the rear structure of the vehicle including the battery case in closed position, in accordance with an embodiment of the present disclosure;

[0019] FIG.4 illustrates a side view of the rear structure of the vehicle including the battery case in open position depicting the battery case in a first position, in accordance with an embodiment of the present disclosure; and

[0020] FIG.5 illustrates an assembled perspective view of the battery case of FIG.1 with the locking device, in accordance with an embodiment of the present disclosure.

[0021] Skilled artisans will appreciate that elements in the drawings are illustrated for simplicity and have not necessarily been drawn to scale. For example, the dimensions of some of the elements in the drawings may be exaggerated relative to other elements to help to improve understanding of embodiments of the present disclosure.

DETAILED DESCRIPTION

[0022] While the disclosure is susceptible to various modifications and alternative forms, specific embodiments thereof have been shown by way of example in the FIG 1-5 and will be described in detail below. It should be understood, however that it is not intended to limit the disclosure to the forms disclosed, but on the contrary, the disclosure is to cover all modifications, equivalents, and alternatives falling within the scope of the disclosure as defined by the appended claims.

[0023] Before describing detailed embodiments, it may be observed that the novelty and inventive step that are in accordance with the present disclosure resides in a locking device for a battery case of an electric vehicle. More particularly, the present disclosure illustrates the configuration of the locking device for selectively locking and unlocking the battery case. However, such modifications should be construed within the scope of the present disclosure. Accordingly, the drawings are showing only those specific details that are pertinent to understanding the embodiments of the present disclosure so as not to obscure the disclosure with details that will be readily apparent to those of ordinary skill in the art having benefit of the description herein.

[0024] In the present disclosure, the term “exemplary” is used herein to mean “serving as an example, instance, or illustration.” Any embodiment or implementation of the present subject matter described herein as “exemplary” is not necessarily to be construed as preferred or advantageous over other embodiments.

[0025] The terms “comprises”, “comprising”, or any other variations thereof, are intended to cover non-exclusive inclusions, such that a device or system that comprises a list of components does not include only those components but may include other components not expressly listed or inherent to such setup or device. In other words, one or more elements in a system or apparatus proceeded by “comprises… a” does not, without more constraints, preclude the existence of other elements or additional elements in the system or apparatus. The terms like “at least one” and “one or more” may be used interchangeably or in combination throughout the description.

[0026] While the present disclosure is illustrated in the context of a three wheeled vehicle, the features illustrated thereof can be used with other type of vehicles as well. The terms “vehicle”, “three-wheeled vehicle”, “electric vehicle”, “EV”, and “modular vehicle” have been interchangeably used throughout the description. The term “vehicle” comprises vehicles such as motorcycles, scooters, bicycles, mopeds, scooter type vehicle, and the like.

[0027] The term “modular vehicle” may be configured to be selectively operable in at least one of a two-wheeled configuration and a multi-wheeled configuration. The novel and inventive features of the present disclosure also extend to non-modular vehicle configurations such as three-wheeled vehicle, four wheeled vehicle and the like. The terms “front/forward”, “rear/rearward/back/backward”, “up/upper/top”, “elevated/closed”, and “down/lower/lower ward/downward, bottom”, used therein represents the directions as seen from a vehicle driver sitting astride.

[0028] Reference will now be made to the exemplary embodiments of the disclosure, as illustrated in the accompanying drawings. Wherever possible, same numerals will be used to refer to the same or like parts. Corresponding reference characters indicate corresponding parts throughout the several views of the figures. The figures represent an illustration of some of the embodiments of the present disclosure and are not to be construed as limiting the scope of the invention in any manner. Further, the figures are not necessarily to scale, some features may be exaggerated to show details of components. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present invention. Embodiments of the disclosure are described in the following paragraphs with reference to FIGS.1 to 5. In FIGS. 1 to 5, the same element or elements which have same functions are indicated by the same reference signs.

[0029] Embodiments of the present disclosure describes about an exemplary electric vehicle (100). In the corresponding figures only a portion of the electric vehicle is depicted, particularly in the corresponding figures only a rear structure of the electric vehicle is illustrated. The vehicle (100) of the present disclosure may be a modular vehicle which can be converted between two-wheeled vehicle configuration and/or multi-wheeled vehicle configuration including three wheels, four wheels etc. In some embodiments, the electric vehicle may be a full-time multi-wheeled vehicle including three-wheeled configuration and/or four wheeled configurations. The vehicle (100) may be a hybrid vehicle or an electric vehicle. The present disclosure is elucidated with reference to the vehicle (100) that may be electrically powered. Accordingly, the vehicle (100) may also be referred to as electric vehicle (100) and may be alternatively used henceforth. In the forthcoming embodiments, although a particular construction/type of construction is explained, the same should not be construed as a limitation of the present disclosure.

[0030] Referring to FIG.1, the electric vehicle (100) is depicted partially. The vehicle (100) includes a body frame (116) defining a front end [not shown] and a rear end (118). In an embodiment, the rear end (118) may be of a closed configuration which may define a cabin compartment for a passenger vehicle which will be elucidated in forthcoming paragraphs. In some embodiments, the rear end (118) may be of an open configuration such as may be viewed in work vehicles including luggage carrying vehicles. In case of the modular vehicle, the vehicle may include a front body structure and a plurality of modular rear body structures removably coupled to the front body structure to for a vehicle of multi-wheel configuration.

[0031] As illustrated in Figure 1, the vehicle (100) may be defined with a body frame (116). The body frame (116) includes a compartment defined in the front-end having steering head. The steering head (not shown) may be configured to receive and support a steering mechanism of the vehicle (100). The steering head further supports front forks of the vehicle which are further configured to accommodate front ground engaging members (not shown). The steering mechanism mounted on the steering head may be configured to steer the front ground engaging members to direct the vehicle in the desired direction. Further, the body frame (116) includes a main tube that may connect the steering head to the down frame. In case of the modular vehicle, the steering head of two-wheel vehicle configuration itself acts as the steering head for multi-wheel vehicle configuration. The down frame of the body frame (116) may include a left-side long member (100a) and right-side long member (100b). The left-side long member (100a) and right-side long member (100b) may extend rearwardly from the front end up to a rear end (118). The left-side long member (100a) and the right-side long member (100b) may be connected by one or more laterally and longitudinally connecting bridges, these bridges ensure rigid securement of the body frame (116). The left-side long member (100a) and the right-side long member (100b) together form a ladder type chassis for the vehicle (100), and they bear the rear ground engaging members (111) such as wheels, axle assembly, transmission, brakes, and suspensions. In an embodiment, the body frame (116) may be a monocoque constructions but not limiting to the same.

[0032] The front end (not shown) of the vehicle (100) includes a frontal frame. The frontal frame of the front end includes a two or more front pillars (not shown) secured to and extending upwardly from a left-side long member (100a) and a right-side long member (100b) of the vehicle (100). These two or more front pillars comprise a left-side pillar and a right-side pillar, extending from the left-side long member (100a) and the right-side long member (100b), respectively. The left-side pillar is in a spaced apart configuration in a vehicle width wise direction from the right-side pillar. The two or more front pillars (not shown) may be configured to be an elongated cylindrical tubes or rods. One end of each of two or more front pillars is secured to the respective left-side long member (100a) and the right-side long member (100b) using mechanical or thermal joining process, and free end extend upwardly from a front end of the left-side long member (100a) and the right-side long member (100b). The frontal structure also includes intermediate pillars (not shown) comprising a left-side intermediate pillar and a right-side intermediate pillar secured to and extending upwardly from the left-side long member (100a) and the right-side long member (100b). The pair of intermediate pillars are in spaced apart configuration in a vehicle length wise direction from the two or more front pillars and positioned at rear of the two or more front pillars. Further, free ends of the two or more front pillars at an upper portion of the front end, are interconnected using cross member (not shown) for structural rigidity. Furthermore, at least one support member is structured to interconnect the pair of intermediate pillars and the two or more front pillars. The two or more front pillars and the pair of intermediate pillars may be linked by one or more bridging members to define a driver compartment. The driver compartment may include driver seat assembly being adapted to seat the driver. Also, the driver compartment may optionally include additional seat space for occupant to be seated in the vehicle.

[0033] Henceforth, the front end of the vehicle (100) is elucidated. The front end of the vehicle (100) is not illustrated in figures so as not to obscure the disclosure with details that will be readily apparent to those of ordinary skill in the art having benefit of the description herein. The front end among other components and features further includes a windshield panel movably coupled to at least one of the cross members [not shown] or the front pillars (not shown). The windshield panel (not shown) may include a wiper mechanism coupled to the windshield frame. The wiper mechanism may include a wiper blade adapted to be oscillated over the windshield of the windshield panel. A motor (not shown on figures) may be coupled with the wiper blade to actuate the wiper blade. Further, a spray nozzle (not shown on figures) may be fluidly connected wiper blade. The spray nozzle is configured to direct a liquid on the windshield of the windshield panel, such that the spray nozzle is coupled to a conduit that is in fluid communication with a pump connected to a fluid storage. Also, the front end may further include instrument cluster and vehicle electronic components. The front end further includes a dashboard. Henceforth, the rear end (118) of the vehicle will be elucidated.

[0034] In an embodiment, one or more rear frame members (102a, 102b, 104a and 104b) may extend rearwardly and upwardly from the left-side long member (100a) and the right-side long member (100b). The one or more rear frame members (104a and 104b) extends in an upward direction from the left-side long member (100a) and the right-side long member (100b) and may extend horizontally to the rearward of the vehicle. The one or more rear frame members (102a, 102b, 104a and 104b) may be connected by a plurality of longitudinally and laterally disposed cross-rails (106) and cross members (108) (as indicated in FIG.1) to define a rear structure or rear end. The cross rails (106) and the cross members (108) may be configured to improve rigidity of the frame members. The one or more rear frame members (102a, 102b, 104a, 104b) along with the cross-rails (106) and the cross members (108) may define a cabin assembly for accommodating passenger seat assembly comprising of a seat base bottom and a back rest. Beneath the passenger seating assembly [not shown], a drive motor or traction motor [not shown] may be disposed which is configured to drive the vehicle (100).

[0035] Further one or more rear frame members (102a, 102b, 104a, 104b) may further define at least one compartment (120). The at least one compartment (120) may be defined in the rear side of the vehicle (100) as depicted in FIG.1. The at least one compartment (120) defined on the rear side of the vehicle (100) may be used for example as an accessory storing bay or even may be used to accommodate energy storage devices [i.e., in case of the electric vehicle]. In accordance with the present disclosure, the at least one compartment (120) is configured to accommodate a battery case (110) [refer FIG.1 and subsequent FIG(s)]. The battery case (110) may be configured to receive and support one or more battery modules (110b) [refer FIG.2]. In the forthcoming paragraphs the configuration of the battery case (110) will be elucidated with reference to FIGs 2 to 4 in conjunction.

[0036] Now referring to FIG.2 which illustrates an exploded view of the battery case (110) according to embodiments of the present disclosure. The battery case (110) may be configured to accommodate a plurality of energy storage modules i.e., the one or more battery modules (110b). The battery case (110) may be configured to receive and store the one or more battery modules (110b), and each of the one or more battery modules (110b) may be adapted to store electrical energy required to power the power generating motor to propel the vehicle (100). In an embodiment, the battery case (110) may be composed of any suitable material such as metal, composite materials, etc., without any limitations. The battery case (110) specified in the above paragraphs may be defined with a cavity (110c). The cavity (110c) may be structured to accommodate the one or more battery modules (110b). In an embodiment, the battery case (110) may include a base (110g) and a sidewall structure (110h) extending upwardly from the base (110g) defining the cavity (110c) that may accommodate the one or more battery modules (110b). In an embodiment, the cavity (110c) may be defined with a plurality of connectors [generally referred to as electrical contacts/terminals]. Each of the plurality of connectors [not shown] may be defined on the base (110g) of the battery case (110) and is configured to form electrical contact with the counter connectors provided on the one or more battery modules (110b) when the one or more battery modules (110b) is inserted into the battery case (110).

[0037] The battery case (110) as illustrated in the FIG.2 further includes a guide pin (110e) defined on the sidewall structure (110h). The guide pin (110e) may be defined on the sidewall structure (110h) whose major surface is parallel to an imaginary axis (X-X) extending from front end to the rear end i.e., in the vehicle lengthwise direction of the vehicle (100). In an embodiment, the guide pin (110e) may extend outwardly from at least one side of the sidewall structure (110h). That is the guide pin (110e) may be only defined on the one of the sidewall structure (110h). In another preferred embodiment, the guide pin (110e) may be defined on two walls of the sidewall structure (110h) opposite to each other. In an embodiment, at least one guide plate (110d) may be movably coupled with the guide pin (110e). The at least one guide plate (110d) may be defined with a guide slot (G). The guide pin (110e) on the battery case (110) may be movably accommodated in the guide slot (G). The guide pin (110e) may be structured to translate within the guide slot (G), the function of which will be elucidated in the forthcoming paragraphs. In an embodiment, the guide plate (110d) may be unified with the battery case (110). In another embodiment, the guide plate (110d) may be an external component that can be coupled to the compartment (120) and then may be connected to the battery case (110) using the guide pin (110e). In an embodiment, the battery case (110) may be defined with a handle (H) [refer FIG.5]. The handle (H) may be provided on the sidewall structure (110h) that is perpendicular to the imaginary axis (X-X). The handle (H) may be used by the operator to move the battery case (110) between one or more positions which will be elucidated henceforth. The battery case (110) may also be defined with vent holes (V) [refer FIG.5]. The vent holes (V) may be configured to provide ventilation to the one or more battery modules (110b) and efficiently remove heat from the one or more battery modules (110b).

[0038] The battery case (110) of the configuration described above may be movably receivable in the compartment (120) defined by the body frame (116). Although, the compartment (120) and the battery case (110) are illustrated to be provided on the rear end (118) of the vehicle (100), the same should not be construed as a limitation of the present disclosure. The configuration may be readily used anywhere along the body frame (116) of the vehicle 100 and such modifications should be construed to be covering the scope of the present disclosure. The battery case (110) may be pivotally connectable to the compartment (120) by an articulating mechanism (110f) as evident from FIG.2 and FIG.5. The articulating mechanism (110f) may be but not limiting to hinge joints. The battery case (110) may be coupled to a portion of the body frame defining the compartment (120). In a preferred embodiment, a first end of the articulating mechanism (110f) may be coupled to a substantially lower portion on the sidewall structure (110h) of the battery case (110) perpendicular to the imaginary axis (X-X). Similarly, another end of the articulating mechanism (110f) may be secured to the portion of the body frame defining the compartment (120) which may be perpendicular to the imaginary axis (X-X). Said articulating mechanism (110f) enables pivotable movement of the battery case (110) relative to the body frame defining the compartment (120).

[0039] In addition to the articulating mechanism (110f), the battery case (110) may be coupled to the portion of the body frame defining the compartment (120) with the aid of guide plate (110d) and the guide pin (110e). For instance, the guide plate (110d) as apparent from FIG.2 is coupled to the portion of the body frame defining the compartment (120) which is parallel to the imaginary axis (X-X). The guide plate (110d) may be coupled using known joining techniques including thermal joining process, mechanical joining process, positive or frictional locking. The guide plate (110d) may be configured to receive the guide pin (110e) defined on the sidewall structure (110h) of the battery case (110). The guide pin (110e) may be slidably ingressed into the guide slot (G) defined in the guide plate (110d). The guide pin (110e) may translate within the guide slot (G) based on the movement of the battery case (110) between the closed position (C) and the open position (O) [refer FIGs.3 and 4]. In an embodiment, the battery case (110) may be displaced between the closed condition (C) and the open condition (O) by the operator using the handle (H). FIG.3 illustrates the battery case (110) in the closed position (C) relative to the compartment (120). Similarly, FIG.4 illustrates the battery case (110) in the open position (O). The guide plate (110d) and the guide pin (110e) may be configured to stabilize the pivotal movement of the battery case (110) between the closed position (C) and the open position (O). In the closed position as indicated in FIG.3, the battery case (110) is accommodated within the body frame (116) i.e., the compartment (120) defined by the body frame (116). In the open position (O), the one or more battery modules (110b) may be replaced or removed from the battery case (110).

[0040] In an embodiment, the battery case (110) may be defined with a locking member (LL). The locking member (LL) may be configured to lock the one or more battery modules (110b) within the cavity (110c) of the battery case (110) in the closed position (C). The locking member (LL) may be a snap lock, latch and the like. In FIG.3, exemplary position of the locking member (LL) is depicted and the same should not be construed as a limitation of the present disclosure. The locking member (LL) may keep the one or more battery modules (110b) locked within the battery case (110) until the operator intends to remove the one or more battery modules (110b). The locking member (LL) ensures that the one or more battery modules (110b) may be securely connected within the battery case (110), thereby eliminating undesired movement. In addition to the one or more battery modules (110b) being locked within the battery case (110), the battery case (110) itself may be locked relative to the compartment (120). A locking device (300) [refer FIG.2 and 5] may be provided in the compartment (120) which is configured to selectively lock or unlock the battery case (110). The locking device (300) may be operated by rider/user/technician operating the vehicle (100) to selectively lock or unlock the battery case (110) within the compartment (120). In an embodiment, the compartment (120) is concealed with a rear door (112) which can be selectively operated between an open position and a closed position to access the battery case (110). The locking device (300) that may be adapted to selectively lock or unlock the battery case (110) is elucidated in the forthcoming paragraphs of the present disclosure. In the forthcoming paragraphs reference will be made to FIG.2 in conjunction with other figures including FIGs 3 and 4 of corresponding figures.

[0041] As apparent from FIG.2, the locking device (300) for selectively locking and unlocking the battery case (110) includes a linkage module which is depicted and generally identified by referral numeral (200) in the corresponding figures. The linkage module (200) of the present disclosure as described is configured to selectively lock and unlock the battery case in the compartment defined by the body frame (116) of the vehicle (100). The linkage module (200) may be a four-bar linkage comprising a first link (208), a second link (206), and interconnecting links (I). The interconnecting links (I) may further include one or more links which will be elucidated in the forthcoming paragraphs. Although, it is specifically iterated that the linkage module (200) is a four-bar linkage the same should not be construed as a limitation, as the present disclosure can be also work with two-bar linkage, three-bar linkage, goose neck linkage, and the like without limiting the scope of the present disclosure.

[0042] The first link (208) linkage module (200) may include a first end (208a) connectable to the body frame (116) of the vehicle (100) defining the compartment (120). The first end (208a) of the first link (208) may be pivotally connectable to a wall structure of the compartment (120) whose major surface is parallel to an imaginary axis (X-X) extending in the vehicle lengthwise direction. The wall structure used hereinbefore and after refers to the enclosure provided between the body frame (116) defining the compartment (120). In an alternative embodiment, the first end (208a) of the first link (208) may be securely connectable to the body frame (116) defining the compartment (120). The first link (208) further includes a second end (208b). In an embodiment, the second end (208b) may also be securely connected to the body frame (116) defining the compartment. Hereinafter, the body frame (116) defining the compartment (120) will be referred to as the compartment (120). The linkage module (200) further includes a second link (206). The second link (206) includes a first end (206a) and a second end (206b). The first end (206a) of the second link (206) may be pivotally connected to the second end (208b) of the first link (208). Further, the second end (206b) of the second link (206) may be configured to be operated between a first position (F) [refer FIG.1 and 3] and a second position (S) relative to the first link (208). The second end (206b) of the second link (206) may be configured as a gripping portion. The gipping portion may be grasped by the operator to move the second link (206) between the first position (F) and the second position (S) relative to the first link (208). The second link (206) may exhibit a substantially U-shape or C-shape when viewed from the plan view of the vehicle 100. The second link (206) may be moved between the first position (F) [refer FIG.5] and the second position (S) [refer FIG.4] relative to the first link (208) to lock and unlock the battery case (110). In the first position (F) as apparent from the FIG.1 and 3, the second link (206) may latch against or rest against the battery case (110) to lock the battery case (110) within the compartment (120). Similarly, the second link (206) may be operated to the second position (S) [as apparent from FIG.4] by grasping the second end (206b) and moving it in a substantially upward direction in a swivel motion. By displacing the second end (206b) of the second link (206) to the second position (S) unlocks the battery case (110) in the compartment (120). Once the second link (206) is displaced to the second position (S), the battery case (110) can be moved between closed position (C) [refer FIG.3] and the open position (O) [refer FIG.4]. Once the maintenance operation is complete, the second link (206) is operated back to the first position (F) to latch the second end (206b) against the battery case (110). In a preferred embodiment, linkage module (200) may be locked in the first position (F) by a locking lever (202) [refer FIG.4] of the present disclosure. The locking lever (202) may be elucidated in detail in the forthcoming paragraphs.

[0043] In an embodiment, an interconnecting links (I) may be provided between the first link (208) and the second link (206). In an embodiment, the interconnecting link (I) may be pivotally connected to the first link (208) and the second link (206) at pre-defined portions on the respective links (206 and 208). For instance, interconnecting links (I) may be pivotally connecting the first end (208a) of the first link (208) and an intermediate portion between the first end (206a) and the second end (206b) of the second link (206). The interconnecting links (I) may be configured to stabilise the movement of the second link (206) and also may be configured to allow the second link (206) to follow an arcuate path during displacement between the first position (F) and the second position (S). The interconnecting links (I) may also be configured to allow the movement of the second link (206) up to a pre-defined extent.

[0044] The interconnecting links (I) comprises a third link (204) and a fourth link (210) each connected to the corresponding first link (208) and the second link (206). The third link (204) may include a first end (204a) pivotally connected to the intermediate portion of between the first end (206a) and the second end (206b) of the second link (206) [refer FIG.2]. Further, the fourth link (210) may include a first end (210a) pivotally connected to a second end (204b) of the third link (204). The fourth link (210) also contains a second end (210b) pivotally connectable to the first end (208a) of the first link (208). The third link (204) and the fourth link (210) may be configured to stabilise the movement of the second link (206) between the first position (F) and the second position (S). The movement of the second link (206) from first position (F) to the second position (S) may extend the interconnecting link (I) as apparent from FIG.4. The interconnecting link (I) extends up to a certain extent [the distance may be constrained of length and point of connection on corresponding links], thereby allowing the movement of the second link (206) up to required distance. Similarly, when the second link (206) is pushed back to the first position (F), the interconnecting links (I) retract relative to each other and move toward the first link (208).

[0045] As discussed earlier in the present disclosure, the locking device (300) further includes the locking lever (202). The locking lever (202) is depicted in FIG.4 in the corresponding figures. The locking lever (202) may be pivotally mounted to the frame defining the compartment (120). That is the locking lever (202) may be pivotally mounted to the frame facing rear side of the vehicle (100). The locking lever (202) may be configured to engage and disengage with a portion of the linkage module (200) to selectively lock and unlock the linkage module (200). The locking lever comprises a first end (202a) defined with a locking profile which may be adapted to engage with the portion of the linkage module (200). In an embodiment, the locking lever (202) may be configured to selectively engage and disengage with the second link (206) of the linkage module (200). The locking profile of the locking lever (202) may selectively engage or disengage with the second link (206) proximal to the second end (206b). The locking lever (202) further includes a second end (202b) which may be coupled to a resilient member (R). The resilient member (R) may be at least one of but not limiting to spring, bellow, and the like. One end of the resilient member (R) may be connected to the second end (202b) of the locking lever (202) and the end opposite to the one end may be connected to a portion of the frame defining the compartment (120). The locking lever (202) may be configured to be operated between an engaged condition and a disengaged condition. FIG.4 illustrates the disengaged condition of the locking lever (202). In the engaged condition, the locking profile on the second end (202b) of the locking lever (202) is engaged with the second end (206b) of the second link (206) when in the first position (F). When the locking lever (202) is in disengaged condition, the second link (206) may be operated between the first position (F) and the second position (S). In other words, the locking lever (202) may be operated from the engaged condition to the disengaged condition when the second link (206) is to be moved to the second position (S) from the first position (F). The locking lever (202) may be operated to the disengaged condition by the user of the vehicle (100) either manually or automatically without limiting to the scope of the present disclosure. In an embodiment, the locking lever (202) may be spring biased towards disengaged condition.

[0046] The device (300) further includes a head cover (110a) secured to the linkage module (200). The head cover (110a) may be configured to impart load on the one or more battery modules (110b) accommodated in the battery case (110) in the first position (F). The head cover (110a) may be secured to the first end (206a) of the second link (206). The head cover (110a) may be configured to move in concert with the second link (206) between the first position (F) and the second position (S). The head cover (110a) may be configured to impart load on the one or more battery modules (110b) upon operating the second link (206) to the first position (F) from the second position (S). The head cover (110a) resting on the one or more battery modules (110b) is apparent from FIG.5. The FIG.5 depicts the battery case (110) along with the locking device (300). The locking device (300) in FIG.5 is in engaged condition in which the linkage module (200) is latched to the battery case (110) to lock the battery case (110) in the first position (F). As apparent from FIG.5, the head cover (110a) [when in first position (F)] ensures that suitable force is imparted on the one or more battery modules (110b) to restrict unnecessary movement of the one or more battery modules (110b) with in the battery case (110).

[0047] The configuration of the locking device (300) ensures that the battery case (110) is securely locked within the compartment (120). The locking device (300) is simple to operate and requires lesser efforts to selectively lock and unlock the compartment (120) within the compartment (120). Also, the configuration of the battery case (110) of the present disclosure may be moved between various positions as illustrated without greater application of manual efforts. Other myriad advantages of the features depicted in the specification can be realised from the description illustrated hereinabove.

[0048] The various embodiments of the present disclosure have been described above with reference to the accompanying drawings. The present disclosure is not limited to the illustrated embodiments; rather, these embodiments are intended to disclose the subject matter of the disclosure fully and completely to those skilled in this art. In the drawings, like numbers refer to like elements throughout. Thicknesses and dimensions of some components may be exaggerated for clarity.

[0049] Herein, the terms “attached”, “connected”, “interconnected”, “contacting”, “mounted”, “coupled” and the like mean either direct or indirect attachment or contact between elements, unless stated otherwise.

[0050] Well-known functions or constructions may not be described in detail for brevity and/or clarity. As used herein the expression “and/or” includes any and all combinations of one or more of the associated listed items.
[0051] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used herein, the singular forms “a”, “an” and “the” are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms “comprises”, “comprising”, “includes” and/or “including” when used in this specification, specify the presence of stated features, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, operations, elements, components, and/or groups thereof.

[0052] While considerable emphasis has been placed herein on the particular features of this disclosure, it will be appreciated that various modifications can be made, and that many changes can be made in the preferred embodiments without departing from the principles of the disclosure. These and other modifications in the nature of the disclosure or the preferred embodiments will be apparent to those skilled in the art from the disclosure herein, whereby it is to be distinctly understood that the foregoing descriptive matter is to be interpreted merely as illustrative of the disclosure and not as a limitation.

EQUIVALENTS:
[0053] The embodiments herein and the various features and advantageous details thereof are explained with reference to the non-limiting embodiments in the description. Descriptions of well-known components and processing techniques are omitted so as to not unnecessarily obscure the embodiments herein. The examples used herein are intended merely to facilitate an understanding of ways in which the embodiments herein may be practiced and to further enable those of skill in the art to practice the embodiments herein. Accordingly, the examples should not be construed as limiting the scope of the embodiments herein.
[0054] The foregoing description of the specific embodiments will so fully reveal the general nature of the embodiments herein that others can, by applying current knowledge, readily modify and/or adapt for various applications such specific embodiments without departing from the generic concept, and, therefore, such adaptations and modifications should and are intended to be comprehended within the meaning and range of equivalents of the disclosed embodiments. It is to be understood that the phraseology or terminology employed herein is for the purpose of description and not of limitation. Therefore, while the embodiments herein have been described in terms of preferred embodiments, those skilled in the art will recognize that the embodiments herein can be practiced with modification within the spirit and scope of the embodiments as described herein.
[0055] Any discussion of documents, acts, materials, devices, articles and the like that has been included in this specification is solely for the purpose of providing a context for the disclosure. It is not to be taken as an admission that any or all of these matters form a part of the prior art base or were common general knowledge in the field relevant to the disclosure as it existed anywhere before the priority date of this application.
[0056] The numerical values mentioned for the various physical parameters, dimensions or quantities are only approximations and it is envisaged that the values higher/lower than the numerical values assigned to the parameters, dimensions or quantities fall within the scope of the disclosure, unless there is a statement in the specification specific to the contrary.
, Claims:We claim:
1. A locking device (300) for a battery case (110) of a vehicle (100), the locking device (300) comprising:
a linkage module (200) being configured to selectively lock and unlock the battery case (110) in a compartment (120) of the vehicle (100), the linkage module (200) comprises:
a first link (208) having a first end (208a) connected to a body frame (116) of the vehicle (100);
a second link (206) having a first end (206a) pivotally connected to a second end (208b) of the first link (208), and a second end (206b) being configured to be operated between a first position (F) and a second position (S) relative to the first link (208);
interconnecting links (I) pivotally connecting the first end (208a) of the first link (208) and an intermediate portion between the first end (206a) and the second end (206b) of the second link (206),
wherein the second link (206), and the interconnecting links (I) being configured to pivot about the first link (208) upon operating the second link (206) between the first position (F) and the second position (S), in the first position (F) the second link (206) latches against the battery case (110) to selectively lock the battery case (110) within the compartment (120).

2. The locking device (300) as claimed in claim 1, wherein the battery case (110) is adapted to receive one or more battery modules (110b).

3. The locking device (300) as claimed in claim 1, wherein the interconnecting links (I) comprises:
a third link (204) having a first end (204a) pivotally connected to the intermediate portion between the first end (206a) and the second end (206b) of the second link (206); and
a fourth link (210) having a first end (210a) pivotally connected to a second end (204b) of the third link (204) and a second end (210b) pivotally connectable to the first end (208a) of the first link (208),
wherein the third link (204) and the fourth link (210) being configured to stabilize the movement of the second link (206) between the first position (F) and the second position (S).

4. The locking device (300) as claimed in claim 1 comprises a locking lever (202) pivotally mounted to the body frame (116) defining the compartment (120), the locking lever (202) is configured to engage and disengage with the linkage module (200) to selectively lock and unlock the linkage module (200).

5. The locking device (300) as claimed in claim 4, wherein the locking lever (202) comprises:
a first end (202a) defined with a locking profile being configured to engage and disengage with the second link (206) of the linkage module (200); and
a second end (202b) coupled to a resilient member (R).

6. The locking device (300) as claimed in claim 4, wherein the locking lever (202) is configured to be operated between an engaged condition and a disengaged condition,
wherein in the engaged condition of the locking lever (202), the linkage module (200) is locked in the first position (F),
wherein in the disengaged condition of the locking lever (202), the linkage module (200) being configured to be operated between the first position (F) and the second position (S).

7. The locking device (300) as claimed in claim 6, wherein the locking lever (202) is spring biased towards disengaged condition.

8. The locking device (300) as claimed in claim 1 comprises a head cover (110a) secured to the linkage module (200), the head cover (110a) is configured to move with the linkage module (200).

9. The locking device (300) as claimed in claim 8, wherein the head cover (110a) is secured to the first end (206a) of the second link (206), the head cover (110a) being configured to move in concert with the second link (206) to the first position (F) and the second position (S).

10. The locking device (300) as claimed in claim 8 and 9, wherein the head cover (110a) being configured to impart load on the one or more battery modules (110b) accommodated in the battery case (110) upon operating the second link (206) to the first position (F) from the second position (S).

11. The locking device (300) as claimed in claim 1, wherein the second end (206b) of the second link (206) defines a gripping portion.

12. An electric vehicle (100), comprising:
a body frame (116) comprising a left-side long member (100a) and right-side long member (100b), wherein the body frame (116) defining a modular front end and a rear end (118), the rear end (118) supporting rear ground engaging members, the rear end (118) includes one or more rear frame members (102a, 102b, 104a, 104b) rearwardly and upwardly from the left-side long member (100a) and the right-side long member (100b);
a battery case (110) adapted to be movably receivable in a compartment (120) defined by the body frame (116), the battery case (110) being configured to be operated between a closed position (C) and an open position (O) relative to the compartment (120); and
a locking device (300) to selectively lock and unlock the battery case (110) in the compartment (120), the locking device (300) comprises:
a linkage module (200) being configured to selectively lock and unlock the battery case (110) in a compartment (120) of the vehicle (100), the linkage module (200) comprises:
a first link (208) having a first end (208a) pivotally connected to a frame of the vehicle (100);
a second link (206) having a first end (206a) pivotally connected to a second end (208b) of the first link (208), and a second end (206b) being configured to be operated between a first position (F) and a second position (S) relative to the first link (208);
interconnecting links (I) pivotally connecting the first end (208a) of the first link (208) and an intermediate portion between the first end (206a) and the second end (206b) of the second link (206),
wherein the second link (206), and the interconnecting links (I) being configured to pivot about the first link (208) upon operating the second link (206) between the first position (F) and the second position (S), in the first position (F) the second link (206) latches against the battery case (110) to selectively lock the battery case (110) within the compartment (120).

13. The vehicle (100) as claimed in claim 12, wherein the interconnecting links (I) comprises:
a third link (204) having a first end (204a) pivotally connected to the intermediate portion between the first end (206a) and the second end (206b) of the second link (206); and
a fourth link (210) having a first end (210a) pivotally connected to a second end (204b) of the third link (204) and a second end (210b) pivotally connectable to the first end (208a) of the first link (208),
wherein the third link (204) and the fourth link (210) being configured to stabilize the movement of the second link (206) between the first position (F) and the second position (S).

14. The vehicle (100) as claimed in claim 12 comprises a locking lever (202) pivotally mounted to the body frame (116) defining the compartment (120), the locking lever (202) is configured to engage and disengage with the linkage module (200) to selectively lock and unlock the linkage module (200), wherein the locking lever (202) comprises:
a first end (202a) defined with a locking profile being configured to engage and disengage with the second link (206) of the linkage module (200); and
a second end (202b) coupled to a resilient member.

15. The vehicle (100) as claimed in claim 14, wherein the locking lever (202) is configured to be operated between an engaged condition and a disengaged condition,
wherein in the engaged condition of the locking lever (202), the linkage module (200) is locked in the first position (F),
wherein in the disengaged condition of the locking lever (202), the linkage module (200) being configured to be operated between the first position (F) and the second position (S).

16. The vehicle (100) as claimed in claim 12, wherein the linkage module (200) is pivotally connected to the body frame (116) along both side wall of the battery case (110) relative to a vertical axis (X-X).