Filling Device

Abstract: Disclosed in the present utility model is a filling device, comprising a liquid supply mechanism (1), a back-suction mechanism (5), and a filling channel (2) communicating with the liquid supply mechanism (1). The filling channel (2) comprises a throttling section (21), a metering section (22) and a filling section (23) which are successively connected. The back-suction mechanism (5) comprises a back-suction channel (51) and a back-suction valve (52), one end of the back-suction channel (51) being connected to the middle of the filling section (23), and the other end thereof being provided with an extended section (24). The bottom end of the filling section (23) communicates with the extended section (24), and the bottom end of the extended section (24) communicates with a liquid outlet end (25), the back-suction valve (52) being provided on the back-suction channel (51). The throttling section (21) communicates with the liquid supply mechanism (1), the throttling section (21) being provided with a throttling portion (6). The metering section (22) is provided with a metering portion (7). The filling device has advantages such as simple structure and improved cleaning effect.

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