CN215673614U

CN215673614U - Drain valve of cleaning machine

Info

Publication number: CN215673614U
Application number: CN202122239302.2U
Authority: CN
Inventors: 阙进林; 成林; 李永祥
Original assignee: Suzhou Yaxinhua Electronic Technology Co ltd
Current assignee: Suzhou Yaxinhua Electronic Technology Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-01-28
Anticipated expiration: 2031-09-14

Abstract

The utility model discloses a drain valve of a cleaning machine, which comprises a hollow valve seat and a closing head, wherein a pneumatic cavity is also arranged in the valve seat, a partition plate which is connected in the pneumatic cavity in a sliding manner is arranged at the bottom of the closing head, the baffle plate divides the pneumatic cavity into a first cavity and a second cavity, the sealing head is driven to do relative sliding motion by the pressure difference between the first cavity and the second cavity, a water outlet connected with the valve seat is closed, a supporting device is arranged between the clapboard and the inner wall at the bottom of the pneumatic cavity, the cleaning machine drain valve comprises a rotating rod and a driving part, the driving part drives the rotating rod to rotate, so that two ends of the rotating rod respectively rotate to abut against the partition plate and the inner wall of the bottom of the pneumatic cavity, the purpose of stably supporting the close head to tightly abut against a water outlet connected with the valve seat is achieved, the sealing performance of the cleaning machine drain valve is guaranteed, and the cleaning effect of the cleaning machine is guaranteed.

Description

Drain valve of cleaning machine

Technical Field

The utility model relates to a washing machine accessory, in particular to a drain valve of a washing machine.

Background

The cleaning machine is used for washing the pollutants generated or invaded by the parts or products in the manufacturing, assembling, using and maintaining processes; the filter also can be suitable for the regular maintenance and filtration of working oil, improves the cleanliness, and avoids or reduces the faults caused by pollution, thereby ensuring the high performance, the high reliability and the long service life of parts or products. Wherein, the cleaning tank can be arranged in the cleaning machine, and in order to fully clean parts or products, a certain amount of water or cleaning solution is added in the cleaning tank and the cleaning tank is sealed by a drain valve.

In actual cleaning process, the cleaning machine is generally semi-automatic or full-automatic, and the process that the washing tank was sealed or opened to the drain valve is often through pneumatics, but after pneumatics had controlled the drain valve and sealed the washing tank, the process of admitting air or exhausting has ended, has part or product at the cleaning process this moment, touches the drain valve, can cause the drain valve to open, leads to water or the washing liquid outflow in the washing tank to influence the cleaning efficiency of cleaning machine.

Therefore, it is necessary to provide a drain valve of a washing machine to solve the above problems.

The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a drainage valve of a cleaning machine, which can ensure the sealing property of the drainage valve and avoid the drainage valve from being opened in the cleaning process of the cleaning machine.

In order to achieve the aim, the utility model provides a drainage valve of a cleaning machine, which comprises a hollow valve seat and a sealing head, wherein a pneumatic cavity is also arranged in the valve seat, the bottom of the sealing head is provided with a partition board which is connected in the pneumatic cavity in a sliding manner, the partition board divides the pneumatic cavity into a first cavity and a second cavity, the sealing head is driven to do relative sliding motion by the pressure difference between the first cavity and the second cavity so as to close a water outlet connected with the valve seat, a supporting device is arranged between the partition board and the inner wall of the bottom of the pneumatic cavity, the supporting device comprises a rotating rod and a driving part,

the driving part can drive the rotating rod to rotate, so that the two ends of the rotating rod are respectively rotated to be abutted against the inner walls of the bottom of the partition plate and the pneumatic cavity to support the water outlet of which the sealing head is connected with the valve seat to be abutted tightly.

In one or more embodiments, a first channel and a second channel which are respectively communicated with the first cavity and the second cavity are arranged in the valve seat, and the driving portion comprises a driving rod which is slidably connected in the second channel and a transmission assembly which is in transmission connection between the driving rod and the rotating rod.

In one or more embodiments, the transmission assembly includes a gear and a rack engaged with each other, the gear is fixedly connected to the rotating rod, and the rack is connected to one end of the driving rod.

In one or more embodiments, a fixed seat is further arranged on the inner wall of the bottom of the pneumatic cavity, and the gear is rotatably connected to the fixed seat.

In one or more embodiments, both ends of the rotating rod are provided with curved surfaces.

In one or more embodiments, a sealing ring is disposed between the partition and a sidewall of the pneumatic chamber.

In one or more embodiments, the partition is provided with an annular groove, and the sealing ring is arranged in the annular groove.

Compared with the prior art, the cleaning machine drain valve drives the rotating rod to rotate through the driving part, so that two ends of the rotating rod respectively rotate to abut against the partition plate and the inner wall of the bottom of the pneumatic cavity, the purpose of stably supporting the close head to tightly abut against the water outlet connected with the valve seat is achieved, the sealing performance of the cleaning machine drain valve is guaranteed, and the cleaning effect of the cleaning machine is guaranteed.

Drawings

FIG. 1 is a cross-sectional view of a drain valve of a washer according to one embodiment of the present invention;

FIG. 2 is an enlarged view taken at point A in FIG. 1;

fig. 3 is an enlarged view at B in fig. 1.

Description of the main reference numerals:

1. a valve seat; 2. a closing head; 3. a water outlet; 4. a pneumatic chamber; 5. a first chamber; 6. a second chamber; 7. rotating the rod; 8. a drive rod; 9. a transmission assembly; 10. a first channel; 11. a second channel; 12. a partition plate; 13. a gear; 14. a rack; 15. an annular groove; 16. a seal ring; 17. a fixed seat; 18. a curved surface.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

As shown in fig. 1, a drain valve of a washer according to an embodiment of the present invention includes a hollow valve seat 1 and a closing head 2.

In a specific embodiment, a cleaning tank is arranged in the cleaning machine, a lower water opening 3 of the cleaning tank is connected with the upper direction of the valve seat 1, and the valve seat 1 is fixedly connected in the cleaning machine. The closing head 2 can slide up and down in the valve seat 1 to close or open the lower water gap 3 of the cleaning tank.

Wherein, still be provided with pneumatic chamber 4 in the disk seat 1, the bottom fixedly connected with baffle 12 of closing head 2, sliding connection is at the baffle 12 in pneumatic chamber 4, and this baffle 12 is divided into first chamber 5 and second chamber 6 with pneumatic chamber 4, drives closing head 2 through the pressure difference in first chamber 5 and the second chamber 6 and makes relative sliding motion to seal or open the lower mouth of a river 3 of washing tank.

In a specific embodiment, a supporting device is arranged between the partition plate 12 and the inner wall of the bottom of the pneumatic cavity 4, and the supporting device comprises a rotating rod 7 and a driving part. The driving part drives the rotating rod 7 to rotate, so that the axial direction of the rotating rod 7 can be the same as the sliding direction of the partition plate 12. At this moment, the two ends of the rotating rod 7 are pressed between the bottom of the partition plate 12 and the inner wall of the bottom of the pneumatic cavity 4, and the stable supporting sealing head 2 seals the lower water gap 3 of the cleaning tank, so that the sealing performance of the drain valve is ensured.

In one embodiment, as shown in fig. 1 and 2, the first chamber 5 is located below the partition plate 12, the second chamber 6 is located above the partition plate 12, a first channel 10 and a second channel 11 are disposed in the valve seat 1 and respectively communicate with the first chamber 5 and the second chamber 6, and the first channel 10 and the second channel 11 respectively communicate with a first air pump (not shown) and a second air pump (not shown) in the washing machine.

In one embodiment, the driving portion comprises a driving rod 8 slidably connected in the second channel 11 and a transmission assembly 9 drivingly connected between the driving rod 8 and the turning rod 7. When the second air pump enters or exits the second channel 11, the driving rod 8 slides in the second channel 11 and drives the rotating rod 7 to rotate through the transmission assembly 9.

As shown in fig. 1 and 2, the transmission assembly 9 may include a gear 13 and a rack 14 engaged with each other, one end of the rack 14 is fixedly connected to one end of the driving rod 8, and the gear 13 is fixedly connected to the rotating rod 7. The rack 14 and the gear 13 are matched with each other to convert the force of the linear motion of the driving rod 8 into the force for driving the rotating rod 7 to rotate, so that the rotating rod 7 is driven to rotate.

In a specific embodiment, a fixed seat 17 is further disposed on the inner wall of the bottom of the pneumatic cavity 4, and the gear 13 is rotatably connected to the fixed seat 17. Serving to fixedly connect the rotating rod 7 and the gear 13.

In a specific embodiment, both ends of the rotating rod 7 are provided with curved surfaces 18. The curved surface 18 reduces the friction force when the rotating rod 7 is contacted with the inner wall of the pneumatic cavity 4 and the partition plate 12, and prolongs the service life of the drain valve; while also facilitating the rotation of the swivelling levers 7.

In one embodiment, as shown in fig. 3, a sealing ring 16 is provided between the partition 12 and the sidewall of the pneumatic chamber 4. The sealing ring 16 serves to ensure that the first chamber 5 is not in communication with the second chamber 6 during the sliding of the diaphragm 12.

Wherein, the partition board 12 is provided with an annular groove 15, and a sealing ring 16 is arranged in the annular groove 15. The annular groove 15 serves to receive and hold snap-fit the sealing ring 16.

As shown in fig. 1 and 2, when the second air pump is used for feeding air into the second channel 11, the driving rod 8 moves in the second channel 11 towards the second chamber 6, and drives the rack 14 to move along with the rack, the gear 13 meshed with the rack 14 rotates clockwise along with the rack and drives the rotating rod 7 to rotate together, meanwhile, the first air pump is used for pumping air into the first channel 10, the air pressure difference between the first chamber 5 and the second chamber 6 drives the partition plate 12 to move upwards until the rotating rod 7 is in a vertical state, two ends of the rotating rod 7 are respectively arranged between the bottom of the partition plate 12 and the inner wall of the bottom of the pneumatic chamber 4, and at this time, the closing head 2 above the partition plate 12 just seals the lower nozzle 3 of the cleaning tank; when the second air pump is used for pumping air into the second channel 11, the driving rod 8 moves in the second channel 11 towards the direction away from the second cavity 6 and drives the rack 14 to move along with the rack, the gear 13 meshed with the rack 14 rotates anticlockwise and drives the rotating rod 7 to rotate together, meanwhile, the first air pump is used for feeding air into the first channel 10, the air pressure difference between the first cavity 5 and the second cavity 6 drives the partition plate 12 to move downwards until the rotating rod 7 is in an inclined or horizontal state, and at the moment, the lower water opening 3 of the cleaning tank is opened by the sealing head 2 above the partition plate 12.

In conclusion, the beneficial effects of the utility model are as follows: the cleaning machine drain valve passes through drive division drive dwang 7 and rotates, make the both ends of dwang 7 rotate respectively to with the inner wall of baffle 12 and pneumatic chamber 4 bottom offsets, reach the delivery port that stable stay closing head 2 is connected with disk seat 1 and closely offset, guaranteed the leakproofness of cleaning machine drain valve to the cleaning performance of cleaning machine has been guaranteed.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the utility model and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the utility model and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.

Claims

1. A drainage valve of a cleaning machine comprises a hollow valve seat and a sealing head, wherein a pneumatic cavity is further arranged in the valve seat, a partition plate which is connected in the pneumatic cavity in a sliding mode is arranged at the bottom of the sealing head, the partition plate divides the pneumatic cavity into a first cavity and a second cavity, the sealing head is driven to do relative sliding motion through the pressure difference between the first cavity and the second cavity so as to close a water outlet which is connected with the valve seat, the drainage valve is characterized in that a supporting device is arranged between the partition plate and the inner wall of the bottom of the pneumatic cavity, the supporting device comprises a rotating rod and a driving part,

2. The drain valve of the cleaning machine according to claim 1, wherein a first channel and a second channel are provided in the valve seat, the first channel and the second channel are respectively communicated with the first chamber and the second chamber, and the driving part comprises a driving rod slidably connected in the first channel or the second channel and a transmission component in transmission connection between the driving rod and the rotating rod.

3. The drain valve of the cleaning machine according to claim 2, wherein the transmission assembly comprises a gear and a rack which are meshed with each other, the gear is fixedly connected with the rotating rod, and the rack is connected with one end of the driving rod.

4. The drain valve of the cleaning machine according to claim 3, characterized in that the inner wall of the bottom of the pneumatic chamber is further provided with a fixed seat, and the gear is rotatably connected with the fixed seat.

5. The drain valve of the washing machine according to claim 1, wherein both ends of the rotating rod are provided with curved surfaces.

6. The washer drain valve as recited in claim 1 wherein a seal is disposed between said baffle and a sidewall of said pneumatic chamber.

7. The washer drain valve as recited in claim 6 wherein said spacer is provided with an annular groove and said gasket is disposed within said annular groove.