CN219289392U

CN219289392U - Residual water removing mechanism and dish washing machine

Info

Publication number: CN219289392U
Application number: CN202223487633.9U
Authority: CN
Inventors: 林俊杰; 袁波; 史建洪; 肖坤成
Original assignee: Guangdong Jeenow Electrical Appliances Co ltd
Current assignee: Guangdong Jeenow Electrical Appliances Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-07-04
Anticipated expiration: 2032-12-26

Abstract

The utility model provides a residual water removing mechanism which comprises a base, a piston cavity, a driving motor and a transmission assembly, wherein the piston cavity is provided with a water inlet and a water outlet, the water inlet and the water outlet are respectively provided with a water inlet valve and a water outlet valve, the water inlet valve and the water outlet valve can be opened alternately along with the reciprocating motion of a piston in the piston cavity, the transmission assembly comprises a driving wheel, a driving wheel and a connecting rod, the driving wheel is connected with a rotating shaft of the driving motor in a shaft way and meshed with the driving wheel, the driving wheel is provided with a shaft connection part at one side of the circle center of the driving wheel, and two ends of the connecting rod are respectively connected with the shaft connection part and the piston in a rotating way. The residual water removing mechanism utilizes the working principle of reciprocating motion of the piston to suck the residual water in the dish washer, has the advantage of large suction force, has no requirement on the liquid level of the residual water, can drain all the residual water as long as the water inlet is arranged at the low level of the residual water, and solves the problems of residual water accumulation, bacteria breeding, odor generation and the like in the machine body.

Description

Residual water removing mechanism and dish washing machine

[ field of technology ]

The utility model relates to the technical field of dish washers, in particular to a residual water removing mechanism and a dish washer.

[ background Art ]

The dish washer is a kitchen appliance capable of automatically cleaning various common tableware, in order to make the dish washer more intelligent, the dish washer can start the pump body to perform water draining operation on the dish washer after the dish washer is used for cleaning the tableware each time, the pump body adopted by the dish washer on the market is an impeller pump, but the impeller pump has certain requirements on the water level, when the water level is low, the impeller pump cannot pump residual water, bacteria can be bred in the residual water in the dish washer over time, and peculiar smell can be generated.

[ utility model ]

The utility model aims to overcome the problems, and provides a residual water removing mechanism and a dish washing machine, wherein the residual water removing mechanism adopts a piston to suck residual water in a machine body, has large suction force and has no requirement on the liquid level of the residual water in the machine body.

In order to achieve the purpose, the utility model provides a residual water removing mechanism which comprises a base, a piston cavity, a driving motor and a transmission assembly, wherein the piston cavity is provided with a water inlet and a water outlet, the water inlet and the water outlet are respectively provided with a water inlet valve and a water outlet valve, the water inlet valve and the water outlet valve can be opened alternately along with the reciprocating motion of a piston in the piston cavity, the transmission assembly comprises a driving wheel, a driving wheel and a connecting rod, the driving wheel is in shaft connection with a rotating shaft of the driving motor and meshed with the driving wheel, the driving wheel is provided with a shaft connection part at one side of the circle center of the driving wheel, and two ends of the connecting rod are respectively in rotary connection with the shaft connection part and the piston.

In one or more embodiments, at least one sealing ring is sleeved on the surface of the piston, and the sealing ring is abutted with the cavity wall of the piston cavity.

In one or more embodiments, the surface of the piston is provided with an annular groove for mounting a sealing ring.

In one or more embodiments, the water inlet is provided with a first reset piece for keeping the water inlet valve in a normally closed state; the water outlet is provided with a second reset piece for keeping the water outlet valve in a normally closed state.

In one or more embodiments, the piston chamber is provided with a water cap, the water inlet and the water outlet are formed on the water cap, and the water cap is covered on the piston chamber and fixed by a connecting piece.

In one or more embodiments, the base is provided with a mounting hole for mounting and fixing.

In one or more embodiments, the piston chamber and the piston are circular or elliptical in cross-section, and the ratio of the maximum width of the piston cross-section to the reciprocating stroke of the piston is greater than 1:2 and less than 1:1.

The application also provides a dishwasher provided with the residual water removal mechanism.

Compared with the background technology, the utility model has the following effects: the residual water removing mechanism utilizes the working principle of reciprocating motion of the piston to suck the residual water in the dish washer, has the advantage of large suction force, has no requirement on the liquid level of the residual water, can drain all the residual water as long as the water inlet is arranged at the low level of the residual water, and solves the problems of residual water accumulation, bacteria breeding, odor generation and the like in the machine body.

[ description of the drawings ]

FIG. 1 is a schematic view of a removing mechanism according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a driving motor and a transmission assembly according to an embodiment of the present utility model;

fig. 3 is a cross-sectional view of fig. 1.

[ detailed description ] of the utility model

The present utility model will be further described in detail with reference to the following examples and drawings for the purpose of enhancing the understanding of the present utility model, which examples are provided for the purpose of illustrating the present utility model only and are not to be construed as limiting the scope of the present utility model.

Referring to fig. 1-3, the application provides a residual water removing mechanism, which comprises a base 1, a piston cavity 2, a driving motor 3 and a transmission assembly, wherein the piston cavity 2 is provided with a water inlet 4 and a water outlet 5, the water inlet 4 and the water outlet 5 are respectively provided with a water inlet valve 6 and a water outlet valve 7, the water inlet valve 6 and the water outlet valve 7 can be opened alternately along with the reciprocating motion of a piston 8 in the piston cavity 2, the cross sections of the piston cavity and the piston can be round or elliptical, the ratio of the maximum width of the cross section of the piston to the reciprocating motion stroke of the piston is greater than 1:2 and less than 1:1, the blocking can be prevented and the eccentricity can be avoided, the transmission assembly comprises a driving wheel 9, a driving wheel 10 and a connecting rod 11, the driving wheel 9 is connected with a rotating shaft of the driving motor 3 in an axial manner and meshed with the driving wheel 10, the driving wheel 10 is arranged on one side of the center of the driving wheel 10, two ends of the connecting rod 11 are respectively connected with the axial connection part 101 and the piston 8 in a rotating manner, and grooves are arranged on the axial connection part and can be used for hiding lubricating oil so as to reduce friction. Specifically, when the driving motor 3 drives the driving wheel to rotate, the driving wheel meshed with the driving wheel 9 rotates and drives the piston to do reciprocating motion through the connecting rod 11, and when the piston moves inwards, the water outlet is communicated and the water inlet is closed; on the contrary, when the piston moves outwards, the water outlet is closed, the water inlet is communicated, the piston continuously reciprocates, so that the water inlet can continuously suck water, and the suction force generated by the movement of the piston is larger.

The surface cover of piston 8 is equipped with at least one sealing washer 81, and sealing washer 81 and the chamber wall butt in piston chamber 2 are equipped with the sealing washer and are favorable to strengthening the sealing performance between piston and the piston chamber, in addition, in order to conveniently fix the sealing washer, avoid the sealing washer to dislocation in the piston motion in-process, and the surface of piston is equipped with the annular groove that is used for installing sealing washer 81.

The water inlet 4 is provided with a first reset piece 12 for keeping the water inlet valve 6 in a normally closed state; the outlet 5 is provided with a second return member 13 for holding the outlet valve 7 in a normally closed condition, the first and second return members preferably being springs, which are return members of a simple construction having a good compression set and are readily available on the market, the inlet valve and outlet valve may be made of soft material and the plug portions are tapered for a better fit seal.

The piston cavity 2 is provided with a water cover, the water inlet 4 and the water outlet 5 are formed on the water cover, the water cover is covered on the piston cavity 2 and is fixed through a connecting piece, the water inlet and the water outlet are arranged on the water cover, and when the resetting piece is damaged or has insufficient elasticity, the water cover is conveniently detached and replaced, the resetting piece or the water inlet valve or the water outlet valve is conveniently replaced, and the connecting piece can be a screw.

The base 1 is provided with mounting holes 15 for mounting and fixing, so that the base is fixed on the dish washer through screw mounting.

The application also provides a dish washer, and it has the residual water removal mechanism among the above-mentioned scheme, will participate in water removal mechanism the water inlet connect dish washer ponding low level department can.

The above description is merely of preferred embodiments of the present utility model, and the scope of the present utility model is not limited to the above embodiments, but all equivalent modifications or variations according to the present disclosure will be within the scope of the claims.

Claims

1. A residual water removal mechanism, characterized in that: including base (1), piston chamber (2), driving motor (3) and drive assembly, piston chamber (2) are equipped with water inlet (4) and delivery port (5), are provided with water intaking valve (6) and play water valve (7) on water inlet (4) and delivery port (5) respectively, water intaking valve (6) and play water valve (7) can be opened in turn along with piston (8) reciprocating motion in piston chamber (2), drive assembly includes drive wheel (9), drive wheel (10) and connecting rod (11), drive wheel (9) and driving motor (3) pivot coupling and with drive wheel (10) meshing, drive wheel (10) are located its centre of a circle one side and are equipped with coupling portion (101), the both ends of connecting rod (11) are connected with coupling portion (101) and piston (8) rotation respectively.

2. A residual water removal mechanism as claimed in claim 1, wherein: at least one sealing ring (81) is sleeved on the surface of the piston (8), and the sealing ring (81) is abutted to the cavity wall of the piston cavity (2).

3. A residual water removal mechanism as claimed in claim 2, wherein: the surface of the piston (8) is provided with an annular groove for installing a sealing ring (81).

4. A residual water removal mechanism as claimed in claim 1, wherein: the water inlet (4) is provided with a first reset piece (12) for keeping the water inlet valve (6) in a normally closed state; the water outlet (5) is provided with a second reset piece (13) for keeping the water outlet valve (7) in a normally closed state.

5. A residual water removal mechanism as claimed in claim 4, wherein: the piston cavity (2) is provided with a water cover, the water inlet (4) and the water outlet (5) are formed on the water cover, and the water cover is covered on the piston cavity (2) and is fixed through a connecting piece.

6. A residual water removal mechanism as claimed in claim 1, wherein: the base (1) is provided with a mounting hole (15) for mounting and fixing.

7. A residual water removal mechanism as claimed in claim 1, wherein: the cross section of the piston cavity and the piston is circular or elliptical, and the ratio of the maximum width of the cross section of the piston to the reciprocating stroke of the piston is more than 1:2 and less than 1:1.

8. A dishwasher, characterized in that: the dishwasher having a residual water removal mechanism as claimed in any one of the preceding claims 1 to 6.