CN217827790U

CN217827790U - Get rid of residual water structure

Info

Publication number: CN217827790U
Application number: CN202221987431.8U
Authority: CN
Inventors: 俞云良
Original assignee: Guangdong Saipu Appliances Manufacturing Co ltd
Current assignee: Guangdong Saipu Appliances Manufacturing Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-11-18
Anticipated expiration: 2032-07-29

Abstract

The utility model provides a get rid of residual water structure, including driver, pivot, cam, camshaft, piston rod, capacity cavity, water inlet, first check valve, outlet and second check valve, it is rotatory to drive the camshaft on the cam through the pivot when driver rotates, drives piston rod reciprocating motion to can follow the water inlet and suck the residual water in the dish washer to the capacity cavity through first check valve in, later discharge the residual water in the capacity cavity from the outlet through the second check valve again. The utility model provides a get rid of residual water structure can thoroughly discharge the residual water in the dish washer, simple structure simultaneously, convenient to detach washs to can reduce the volume of dish washer.

Description

Get rid of residual water structure

Technical Field

The utility model relates to a get rid of residual water structure belongs to the relevant technical field of dish washer.

Background

The dishwasher becomes a necessary cleaning device for a kitchen, but a small amount of residual water is left after the dishwasher in the market is used every time, if the dishwasher is idle for a long time, bacteria are easily bred in the residual water, and peculiar smell is generated, a patent document for removing the residual water in the dishwasher has appeared in the prior art, for example, patent document 1 with application number of CN201820232616.5 discloses a dishwasher, which is combined with figure 1, and the volume change of a containing cavity 136 is caused by the back and forth movement of a micro piston pump 133, so that a small amount of residual accumulated water is pumped out by utilizing

check valves

134 and 135, and the drying and cleaning of the dishwasher are kept.

However, most of the dishwashers in the prior art use the same or similar piston pump as that in patent document 1 to discharge the residual water, and the piston pump usually needs components such as a crankshaft and a connecting rod to form a transmission part so as to drive the piston to reciprocate through the transmission part, and the transmission part has a complex structure and is difficult to disassemble and wash, and the arrangement of the transmission part in the dishwasher increases the volume of the dishwasher. In view of this, it is one of the key technical problems that the existing dish washer is urgently needed to solve to design a residual water removing structure that has a simple structure, is convenient to disassemble and clean, and can reduce the volume of the dish washer.

SUMMERY OF THE UTILITY MODEL

To prior art not enough, the utility model provides a get rid of and remain water structure is applied to during the dish washer, its simple structure, and convenient to detach washs and can reduce the dish washer volume.

The utility model provides a pair of get rid of residual water structure is applied to in the dish washer, including driver, pivot, cam, camshaft, piston rod, fixing base, capacity cavity, water inlet, first check valve, outlet and second check valve, the pivot is installed in the output of driver, the cam is fixed in the pivot, the cam is the cylinder structure, be provided with the camshaft on the cam, the axle center of camshaft is configured as with the centre of a circle decentraction of cam; the rear part of the piston rod is sleeved on the camshaft, the front part of the piston rod is arranged in the piston moving cavity of the fixing seat in a penetrating mode, the rear part of the capacity cavity is connected with the piston moving cavity in a sealing mode, the front part of the capacity cavity is provided with a water inlet and a water outlet, the first one-way valve is arranged in the water inlet, and the second one-way valve is arranged in the water outlet;

the driver is used for driving the rotating shaft rotates, the rotating shaft drives the piston rod to move in the piston moving cavity in a reciprocating mode, the piston rod can move to suck residual water in the dish washing machine into the capacity cavity from the water inlet through the first one-way valve, and then the residual water in the capacity cavity is discharged from the water outlet through the second one-way valve.

Further, get rid of residual water structure still includes the face lid, the face lid install in on the fixing base for get rid of the residual water structure to the aforesaid and seal and protect, the fixing base is used for fixing the driver to still be provided with the round hole with cam looks adaptation, the round hole is used for fixing above-mentioned cam.

Furthermore, the rear portion of the piston rod is of a hollow rectangular structure with a chamfer, the front portion of the piston rod is of a cylindrical structure, the front portion and the rear portion of the piston rod are integrally formed, the hollow rectangular structure sleeves the piston rod on the camshaft through a movable groove of the hollow portion, and the cylindrical structure penetrates through a piston moving cavity of the fixing seat.

Furthermore, the structure for removing the residual water further comprises a piston rod sealing ring and an O-shaped ring, the piston rod sealing ring is sleeved on the columnar structure of the piston rod, the O-shaped ring is embedded into the rear baffle of the volume cavity, and the rear baffle of the volume cavity is connected with the piston moving cavity in a sealing mode through the O-shaped ring.

Furthermore, the residual water removing structure further comprises a micro switch and a salient point, the salient point is arranged on the outer side of the hollow rectangular body structure of the piston rod, when the piston rod moves to the position of the micro switch, the salient point triggers the micro switch to generate a switching-on signal, and the switching-on signal represents the completion of a water drainage action.

Furthermore, the outer side edge of the driver is also provided with a wiring terminal for an external power supply.

Further, the driver is a motor.

The utility model provides a technical scheme can include following beneficial effect:

the driver drives the camshaft rotation on the cam through the pivot when rotating, drives piston rod reciprocating motion to can follow the water inlet and pump the residual water in the dish washer to second check valve department through first check valve and capacity cavity, later discharge the residual water from the outlet through the second check valve again, can thoroughly discharge the residual water in the dish washer, simple structure simultaneously, convenient to detach washs, and can reduce the volume of dish washer.

Drawings

FIG. 1 is a prior art mechanism for removing residual water in a dishwasher;

FIG. 2 is an exploded view of the residual water removal structure of the present invention;

FIG. 3 is a top view of the residual water removing structure of the present invention;

FIG. 4 is a schematic view of the inner structure of the structure for removing residual water according to the present invention after the cover is removed;

fig. 5 is an assembly diagram of the fixing base and the piston rod of the present invention.

Description of the reference numerals: 1-covering the dough; 2-a microswitch; 3-a piston rod; 4-fixing the base; 5-a camshaft; 6-a cam; 7-a rotating shaft; 8-a driver; 9-piston rod sealing ring; 10-O-shaped ring; 11-volume chamber; 12-a water inlet; 13-a first one-way valve; 14-a water outlet; 15-a second one-way valve; 16-bumps; 17-rear baffle of volume chamber; 18-piston moving chamber of the fixed seat.

Detailed Description

For the description of the present invention, it should be noted that the terms "front" and "back" indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship correspondingly installed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the equipment or element indicated must have a specific orientation, be constructed in a specific orientation, and be operated; the terms "set", "configure", "install", "fit", etc. should also be understood in a broad sense, and the specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations, and the above terms should not be construed as limiting the present invention.

The terms "first", "second", and the like in the present invention are used only for descriptive distinction and have no special meaning.

The present invention will be described in detail with reference to fig. 2 to 5.

The utility model provides a pair of get rid of residual water structure is applied to in the dish washer, including driver 8, pivot 7, cam 6, camshaft 5, piston rod 3, fixing base 4, capacity cavity 11, water inlet 12, first check valve 13, outlet 14 and second check valve 15, pivot 7 install in the output of driver 8, cam 6 is fixed in pivot 7, cam 6 is the cylinder structure, be provided with camshaft 5 on cam 6, the axle center of camshaft 5 is configured as with the centre of a circle decentraction of cam 6; the rear part of the piston rod 3 is sleeved on the camshaft 5, the front part of the piston rod 3 is arranged in a piston moving cavity of the fixed seat 4 in a penetrating mode, the rear part of the capacity cavity 11 is connected with the piston moving cavity in a sealing mode, the front part of the capacity cavity 11 is provided with a water inlet 12 and a water outlet 14, the first one-way valve 13 is arranged in the water inlet 12, and the second one-way valve 15 is arranged in the water outlet 14; the driver 8 is used for driving the rotating shaft 7 to rotate, the rotating shaft 7 drives the piston rod 3 to reciprocate in the piston moving cavity, the piston rod 3 can move to suck residual water in the dish washing machine from the water inlet 12 into the volume cavity 11 through the first one-way valve 13, and then the residual water in the volume cavity 11 is discharged from the water outlet 14 through the second one-way valve 15.

Further, get rid of residual water structure still includes face lid 1, face lid 1 install in on the fixing base 4 for get rid of the above-mentioned residual water structure and seal and protect, fixing base 4 is used for fixed driver 8, and still be provided with the round hole with 6 looks adaptations of cam, the round hole is used for fixing above-mentioned cam 6.

Further, with reference to fig. 5, the rear portion of the piston rod 3 is a hollow rectangular structure with a chamfer, the front portion is a cylindrical structure, the front portion and the rear portion of the piston rod 3 are integrally formed, the hollow rectangular structure sleeves the piston rod 3 on the camshaft 5 through a movable groove of the hollow portion, and the cylindrical structure is inserted into a piston moving cavity of the fixing seat 4.

Further, get rid of residual water structure still includes piston rod sealing washer 9 and O type circle 10, piston rod sealing washer 9 cover is established on the column body structure of piston rod 3, O type circle 10 embedding capacity cavity 11's rear baffle 17, capacity cavity 11's rear baffle 17 pass through O type circle 10 with piston removes chamber sealing connection.

Further, the residual water removing structure further comprises a micro switch 2 and a salient point 16, wherein the salient point 16 is arranged on the outer side of the hollow rectangular body structure of the piston rod 3, when the piston rod 3 moves to the position of the micro switch 2, the salient point 16 triggers the micro switch 2 to generate a switching-on signal, and the switching-on signal represents the completion of a drainage action.

Furthermore, the outer side of the driver 8 is also provided with a wiring terminal for an external power supply.

Further, the driver 8 is a motor.

The specific working principle of the residual water removing structure is as follows: the cam 6 is fixed on the rotating shaft 7, the cam shaft 5 on the cam 6 is designed to be eccentric with the cam 6, and the cam shaft 5 is sleeved and assembled with the movable groove of the hollow rectangular structure with the chamfer at the rear part of the piston rod 3, so that the piston rod and the cam structure can be conveniently disassembled and cleaned; when the driver 8 is electrified and rotated, the driver 8 drives the rotating shaft 7 to rotate, so as to drive the cam 6 to move, the cam shaft 5 is connected with the piston rod 3, the cam 6 rotates to drive the cam shaft 5 to rotate, so that the piston rod 3 can realize reciprocating motion along the direction vertical to the water outlet 14 (namely reciprocating motion along the directions of front and back in the attached drawing 2) through the cam shaft 5, the piston rod sealing ring 9 is sleeved on the piston rod 3, the O-shaped ring 10 is embedded into the rear baffle 17 of the volume cavity 11, the rear baffle 17 of the volume cavity 11 is hermetically connected with the piston moving cavity 18 of the fixed seat through the O-shaped ring 10, the piston rod sealing ring 9 and the O-shaped ring 10 can play a sealing role, the cam 6 rotates to drive the cam shaft 5 to rotate along the clockwise direction or the anticlockwise direction, when the piston rod 3 rotates along the direction of back under the drive of the cam shaft 5, the first one-way valve 13 is opened, the second one-way valve 15 is closed, the volume cavity 11 generates negative pressure, so that residual water can be sucked into the volume cavity 11 from the water inlet 12 through the first one-way valve 13 and then is closed, and the residual water is discharged from the second one-way valve 15; the outer side of the piston rod 3 is also provided with a salient point 16, when the piston rod 3 moves to the position of the microswitch 2, the salient point 16 triggers the microswitch 2 to generate a switch-on signal, and the switch-on signal represents the completion of a drainage action.

The utility model provides a get rid of and remain water structure, the rear portion baffle of capacity cavity with the piston removes chamber sealing connection, removes the sealed setting of detachably of two cavitys in chamber through capacity cavity and piston for but get rid of and appear depositing the cavity split of water easily among the water structure of remaining, be convenient for wash. The sewage of the existing dish washing machine on the market is pumped away by the drainage pump, but is limited by the drainage pump structure, and finally, a part of sewage is remained in the water cup and cannot be completely pumped out, the residual water removing structure is arranged at the lowest position of the water cup of the dish washing machine, the hole at the bottommost part of the water cup is connected with the water inlet of the residual water removing structure, and the water outlet is communicated with the drainage pipeline of the dish washing machine, so that the residual water can be completely drained.

The utility model provides a get rid of and remain water structure only needs when needs are dismantled the washing to lift 1 from fixing base 4 with the face lid off to take off the piston rod from camshaft 5, can realize the washing of relevant spare part, simple structure is convenient for wash the maintenance.

Although embodiments of the present invention have been shown and described, it is understood that they are illustrative and not restrictive, and that various changes, modifications, substitutions and alterations may be made herein without departing from the spirit and scope of the invention.

Claims

1. A structure for removing residual water is applied to a dish washing machine and is characterized by comprising a driver, a rotating shaft, a cam shaft, a piston rod, a fixing seat, a capacity cavity, a water inlet, a first one-way valve, a water outlet and a second one-way valve, wherein the rotating shaft is installed at the output end of the driver, the cam is fixed on the rotating shaft, the cam is of a cylindrical structure, the cam is provided with the cam shaft, and the axis of the cam shaft is configured to be eccentric with the center of a circle of the cam; the rear part of the piston rod is sleeved on the camshaft, the front part of the piston rod is arranged in the piston moving cavity of the fixing seat in a penetrating mode, the rear part of the capacity cavity is connected with the piston moving cavity in a sealing mode, the front part of the capacity cavity is provided with a water inlet and a water outlet, the first one-way valve is arranged in the water inlet, and the second one-way valve is arranged in the water outlet;

2. The structure for removing residual water in accordance with claim 1, further comprising a surface cover, wherein said surface cover is mounted on said fixing base for sealing and protecting said structure for removing residual water, said fixing base is used for fixing said driver, and further provided with a round hole adapted to said cam, said round hole is used for fixing said cam.

3. The structure for removing residual water according to claim 2, wherein the rear portion of the piston rod is a hollow rectangular structure with a chamfer, the front portion of the piston rod is a cylindrical structure, the front portion and the rear portion of the piston rod are integrally formed, the hollow rectangular structure sleeves the piston rod on the camshaft through a movable groove of the hollow portion, and the cylindrical structure is arranged in a piston moving cavity of the fixing seat in a penetrating manner.

4. The residual water removing structure according to claim 3, further comprising a piston rod sealing ring and an O-ring, wherein the piston rod sealing ring is sleeved on the cylindrical body structure of the piston rod, the O-ring is embedded in the rear baffle of the volume cavity, and the rear baffle of the volume cavity is hermetically connected with the piston moving cavity through the O-ring.

5. The structure for removing residual water according to claim 3, further comprising a micro switch and a protruding point, wherein the protruding point is disposed outside the hollow rectangular body of the piston rod, and when the piston rod moves to the position of the micro switch, the protruding point triggers the micro switch to generate a switch-on signal, and the switch-on signal indicates the completion of a water discharge operation.

6. The residual water removing structure according to claim 4, wherein the outer side of the driver is further provided with a terminal for an external power supply.

7. The residual water removing structure according to claim 1, wherein said driver is a motor.