CN219754777U

CN219754777U - Check structure of water pump

Info

Publication number: CN219754777U
Application number: CN202321055937.XU
Authority: CN
Inventors: 梁方; 张凌峰; 胡晓薇; 胡杰
Original assignee: Zhejiang Mijiade Technology Co ltd
Current assignee: Zhejiang Mijiade Technology Co ltd
Priority date: 2023-05-05
Filing date: 2023-05-05
Publication date: 2023-09-26
Anticipated expiration: 2033-05-05

Abstract

The utility model discloses a water pump check structure, which relates to the field of water pumps and comprises a water pump body, wherein the water pump body is provided with a pump cavity, a mounting port and a liquid inlet, the mounting port and the liquid inlet are both communicated with the pump cavity, the mounting port is detachably connected with a mounting piece, the mounting piece is provided with a check piece, the check piece is positioned between the pump cavity and the liquid inlet, the check piece realizes one-way conduction of liquid from the liquid inlet to the pump cavity, the water pump body is provided with a liquid inlet channel, the liquid inlet channel is communicated with the pump cavity and the liquid inlet, the mounting piece is provided with a filtering channel and a yielding hole, and the yielding hole is communicated with the liquid inlet and the filtering channel; the mounting is equipped with the leakage fluid dram, leakage fluid dram intercommunication filtration passageway and pump chamber, through above-mentioned technical scheme, through setting up the non return piece, through the liquid backward flow of non return piece restriction, reduced the damage that liquid backward flow caused to the water pump body subassembly, promoted the life of water pump body.

Description

Check structure of water pump

Technical Field

The utility model relates to the field of water pumps, in particular to a water pump check structure.

Background

A water pump is a machine that delivers or pressurizes a liquid. It transmits mechanical energy of the prime mover or other external energy to the liquid, causing the liquid to increase in energy.

As disclosed in chinese practical patent publication No. CN218407808U, a water pump is disclosed, the inside of which comprises a rotor and a rotating shaft, the rotor is sleeved on the rotating shaft and moves circumferentially relative to the rotating shaft with the rotating shaft as the center, the water pump further comprises a receiving cavity, one end of the rotating shaft is embedded in the receiving cavity and is in threaded connection with the water pump, and the receiving cavity has a movable space for the rotating shaft to move along the axial direction; the other end of the rotating shaft is provided with a positioning structure, and an opening communicated with the outside is arranged at one end of the water pump close to the positioning structure. When the situation that the rotating shaft and the rotor are blocked and the like is met, an external tool can enter the water pump through the opening and acts on the positioning structure, so that the positioning structure rotates to drive the rotating shaft to do rotary motion, the rotating shaft moves in the accommodating cavity relative to the rotor, the rotating shaft and the rotor are separated relatively, and the water pump is started to operate again. The cost is lower, the operation is convenient, the problems of reducing the sealing performance of the water pump and the like are avoided, and the risks of later water leakage and the like caused by poor disassembly and assembly are avoided.

In practical use, the water pump has liquid backflow after stopping use, and needs to be improved.

Disclosure of Invention

In order to solve the problem of liquid backflow of the water pump, the utility model provides a water pump check structure.

The utility model provides a water pump check structure, which adopts the following technical scheme:

the utility model provides a water pump non return structure, includes the water pump body, the water pump body is equipped with pump chamber, installing port and inlet, and installing port and inlet all communicate the pump chamber, and the installing port can be dismantled and be connected with the installed part, and the installed part is equipped with the non return spare, the non return spare is located between pump chamber and the inlet, the non return spare realizes that liquid is from the one-way conduction of inlet to pump chamber.

Through above-mentioned technical scheme, through setting up the non return spare, through non return spare restriction liquid backward flow, reduced the damage that liquid backward flow caused to the water pump body subassembly, promoted the life of water pump body.

Further, the water pump body is provided with a liquid inlet channel, the liquid inlet channel is communicated with the pump cavity and the liquid inlet, the mounting piece is provided with a filtering channel and a yielding hole, and the yielding hole is communicated with the liquid inlet and the filtering channel; the mounting piece is provided with a liquid outlet which is communicated with the filtering channel and the pump cavity; the check piece comprises a limit plate and a limit spring, a limit bump is arranged on the inner wall of the filtering channel, one end of the limit spring is connected with the limit bump, the other end of the limit spring is connected with the limit plate, and the limit plate slides in the filtering channel; the inner wall of the filtering channel is provided with a non-return section, the non-return section is positioned between the liquid outlet and the yielding hole, and when the limiting plate moves to the non-return section, the limiting plate limits liquid backflow.

Through the technical scheme, through the cooperation of the limiting plate and the limiting spring, when liquid moves from the filtering channel towards the pump cavity, the limiting plate moves away from the check section under the pressure of the liquid, and the liquid enters the pump cavity from the liquid outlet; when the liquid flows back, the limiting plate moves to the non-return section and abuts against the inner wall of the non-return section, and liquid backflow is limited.

Further, the mounting is provided with a filter screen, and the filter screen is positioned on one side of the limiting plate, which is away from the limiting spring.

Through above-mentioned technical scheme, set up the filter screen, through the impurity in the filter screen filtration liquid, reduced impurity to the operating influence of water pump body.

Further, the mounting member is provided with a force portion located at an end of the mounting member remote from the pump chamber.

Through above-mentioned technical scheme, set up the portion of acting force, be convenient for be used for controlling the installed part.

Further, the force-applying part is provided with a reinforcing rib.

Through above-mentioned technical scheme, set up the strengthening rib, promote the structural strength of portion of acting force, reduce the damage of portion of acting force.

Further, the liquid inlet channel is provided with a positioning ring groove, and the positioning ring groove is provided with a copper ring.

Through above-mentioned technical scheme, in the in-service use, there is the circumstances of water pump body deformation, restricts the circumstances that water pump body deformation leads to the difficult installation of installed part through the copper ring, secondly, has reduced the condition that the installation part glues with the feed liquor passageway inner wall of water pump body and glues.

Further, one end of the copper ring, which is far away from the bottom of the positioning ring groove, is abutted against the non-return section.

Through above-mentioned technical scheme, the copper ring contradicts the non return section, and the regional backward flow of restriction liquid between copper ring and the non return section has reduced the condition of liquid backward flow.

Further, the outer wall of the non-return section is provided with a sealing groove, the bottom of the sealing groove is provided with a sealing ring, and one end of the sealing ring, which is far away from the bottom of the sealing groove, protrudes out of the outer wall of the non-return section and abuts against the copper ring.

Through above-mentioned technical scheme, set up seal groove and sealing ring, promoted sealed effect, secondly, the one end that the sealing ring kept away from the seal groove tank bottom contradicts the copper ring, and the copper ring has restricted the deformation of non return section part for the copper ring is in to closely seal ring and non return section, has further promoted sealed effect.

In summary, the present utility model includes at least one of the following beneficial technical effects:

(1) By arranging the check piece, the liquid backflow is limited by the check piece, so that the damage of the liquid backflow to the water pump body assembly is reduced, and the service life of the water pump body is prolonged;

(2) The situation that the mounting piece is difficult to mount due to the fact that the deformation of the water pump body is limited by the copper ring is arranged, and secondly, the situation that the mounting piece is adhered to the inner wall of the liquid inlet channel of the water pump body is reduced;

(3) Through setting up seal groove and sealing ring, and the one end that the seal groove tank bottom was kept away from to the sealing ring contradicts the copper ring, and the copper ring has restricted the deformation of check section part for the copper ring is in to closely seal ring and check section, has further promoted sealed effect.

Drawings

Fig. 1 is an overall schematic of an embodiment.

Fig. 2 is a schematic cross-sectional view of an embodiment.

Reference numerals: 1. a water pump body; 2. a pump chamber; 3. a mounting port; 4. a liquid inlet; 5. a liquid inlet channel; 6. a mounting member; 7. a filtration channel; 8. a relief hole; 9. a liquid outlet; 10. a non-return section; 11. a force portion; 12. reinforcing ribs; 13. a filter screen; 14. a limit convex ring; 15. a check member; 16. a limiting plate; 17. a limit spring; 18. a limit bump; 19. positioning ring grooves; 20. a copper ring; 21. sealing grooves; 22. and (3) a sealing ring.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

The embodiment of the utility model discloses a water pump check structure.

Examples:

referring to fig. 1 and 2, a water pump check structure comprises a water pump body 1, wherein the water pump body 1 is provided with a pump cavity 2, a mounting opening 3, a liquid inlet 4 and a liquid inlet channel 5, one end of the liquid inlet channel 5 is communicated with the mounting opening 3, and the other end is communicated with the pump cavity 2. The mounting port 3 is located one side of the axis of the liquid inlet channel 5, and the mounting port 3 is communicated with the liquid inlet channel 5.

The liquid inlet channel 5 is provided with a mounting piece 6, the mounting piece 6 penetrates into the liquid inlet channel 5 from the mounting opening 3, and the mounting piece 6 is in threaded connection with the inner wall of the liquid inlet channel 5. The mounting piece 6 is provided with a filtering channel 7, a yielding hole 8 and a liquid outlet 9, and the filtering channel 7 is communicated with the pump cavity 2. The hole 8 of stepping down is equipped with a plurality ofly along mounting 6 circumference, and the hole 8 of stepping down is used for intercommunication filtration passageway 7 and inlet 4. The liquid outlet 9 is positioned at one side of the abdication hole 8 close to the pump cavity 2, and the liquid outlet 9 is communicated with the pump cavity 2 and the filtering channel 7. The filtering channel 7 is provided with a non-return section 10, the non-return section 10 is positioned between the liquid outlet 9 and the abdication hole 8,

the mounting member 6 is provided with a force-exerting portion 11, the force-exerting portion 11 is located at one end of the mounting member 6 away from the pump chamber 2, the force-exerting portion 11 is arranged to facilitate rotation of the mounting member 6 by a user, the force-exerting portion 11 is provided with a reinforcing rib 12, and the reinforcing rib 12 is used for reinforcing structural strength of the force-exerting portion 11. In actual use, the mounting 6 may be a mounting tube; alternatively, the mounting member 6 may be a mounting block.

The mounting 6 is provided with a filter screen 13, the filter screen 13 being located on the side of the limiting plate 16 facing away from the limiting spring 17. The filter screen 13 is abutted against the inner wall of the filter channel 7, and one end of the filter screen 13, which is close to the pump cavity 2, is provided with a limiting convex ring 14. The limiting convex ring 14 is positioned between the liquid outlet 9 and the abdication hole 8. The filter channel 7 is provided with a non-return element 15, the non-return element 15 being intended to limit the back flow of liquid. The check member 15 comprises a limit plate 16 and a limit spring 17, a limit lug 18 is arranged on the inner wall of the filter channel 7, the limit lug 18 is positioned on one side of the filter channel 7 close to the pump cavity 2, the limit lug 18 is connected with the limit spring 17, and the limit spring 17 is positioned at one end of the limit lug 18, which is beneficial to the pump cavity 2. The limiting spring 17 is connected with the limiting plate 16, the limiting plate 16 is located at one end, far away from the limiting protruding block 18, of the limiting spring 17, the side wall of the limiting plate 16 abuts against the inner wall of the filtering channel 7, the limiting plate 16 slides on the inner wall of the filtering channel 7, and the sliding direction of the limiting plate 16 is the axial direction of the filtering channel 7. The elastic force of the limit spring 17 limits the limit plate 16 to move in the direction approaching the limit bump 18.

When the elastic force of the limit spring 17 is in a normal state, one end of the limit plate 16, which is away from the limit spring 17, abuts against the limit convex ring 14 to limit the liquid backflow. When liquid enters the filter passage 7, the limiting plate 16 moves in a direction approaching the limiting projection 18 due to the impact of the liquid and the gravity influence of the liquid. Liquid can now enter the pump chamber 2 through the filter channel 7. In actual use, the check 15 may also be a one-way valve.

The liquid inlet channel 5 is provided with a positioning ring groove 19, the positioning ring groove 19 is positioned at the position of the liquid inlet channel 5 corresponding to the non-return section 10 of the filtering channel 7, the positioning ring groove 19 is provided with a copper ring 20, the inner diameter of the copper ring 20 is the same as the outer diameter of the mounting piece 6, and one end of the copper ring 20 away from the bottom of the positioning ring groove 19 abuts against the non-return section 10. In the actual production process, the copper ring 20 is installed during injection molding of the liquid inlet channel 5.

The outer wall of the check segment 10 is provided with a sealing groove 21, the bottom of the sealing groove 21 is provided with a sealing ring 22, the outer diameter of the sealing ring 22 is larger than the inner diameter of the mounting piece 6, and one end of the sealing ring 22, which is far away from the bottom of the sealing groove 21, protrudes out of the outer wall of the check segment 10 and abuts against the copper ring 20. In practical use, the sealing ring 22 may be made of rubber, alternatively, the sealing ring 22 may be made of silica gel.

The working principle of the embodiment is as follows:

in actual use, after the installation of the installation piece 6 is completed, the running liquid is fed through the liquid inlet 4, the liquid is fed from the liquid inlet 4 and filtered through the filter screen 13 to enter the filter channel 7, and the liquid entering the filter channel 7 pushes the limiting plate 16 to move towards the direction close to the limiting projection 18 and enters the pump cavity 2 from the liquid outlet 9.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a water pump non return structure, includes water pump body (1), its characterized in that: the water pump body (1) is equipped with pump chamber (2), installing port (3) and inlet (4), and installing port (3) and inlet (4) all communicate pump chamber (2), and installing port (3) can be dismantled and be connected with installed part (6), and installed part (6) are equipped with check piece (15), check piece (15) are located between pump chamber (2) and inlet (4), check piece (15) realize that liquid is from inlet (4) to the unidirectional conduction of pump chamber (2).

2. The water pump check structure of claim 1, wherein: the water pump is characterized in that the water pump body (1) is provided with a liquid inlet channel (5), the liquid inlet channel (5) is communicated with the pump cavity (2) and the liquid inlet (4), the mounting piece (6) is provided with a filtering channel (7) and a yielding hole (8), the yielding hole (8) is communicated with the liquid inlet (4) and the filtering channel (7), the mounting piece (6) is provided with a liquid outlet (9), and the liquid outlet (9) is communicated with the filtering channel (7) and the pump cavity (2);

the check piece (15) comprises a limit plate (16) and a limit spring (17), a limit lug (18) is arranged on the inner wall of the filter channel (7), one end of the limit spring (17) is connected with the limit lug (18), the other end of the limit spring is connected with the limit plate (16), and the limit plate (16) slides in the filter channel (7); the inner wall of the filtering channel (7) is provided with a non-return section (10), the non-return section (10) is positioned between the liquid outlet (9) and the yielding hole (8), and when the limiting plate (16) moves to the non-return section (10), the limiting plate (16) limits liquid backflow.

3. The water pump check structure of claim 2, wherein: the mounting piece (6) is provided with a filter screen (13), and the filter screen (13) is positioned on one side of the limiting plate (16) deviating from the limiting spring (17).

4. The water pump check structure of claim 1, wherein: the mounting piece (6) is provided with a force applying part (11), and the force applying part (11) is positioned at one end of the mounting piece (6) far away from the pump cavity (2).

5. The water pump check structure of claim 4, wherein: the force applying part (11) is provided with a reinforcing rib (12).

6. The water pump check structure of claim 2, wherein: the liquid inlet channel (5) is provided with a positioning ring groove (19), and the positioning ring groove (19) is provided with a copper ring (20).

7. The water pump check structure of claim 6, wherein: one end of the copper ring (20) far away from the bottom of the positioning ring groove (19) is abutted against the non-return section (10).

8. The water pump check structure of claim 7, wherein: the outer wall of the non-return section (10) is provided with a sealing groove (21), the bottom of the sealing groove (21) is provided with a sealing ring (22), and one end of the sealing ring (22) away from the bottom of the sealing groove (21) protrudes out of the outer wall of the non-return section (10) and abuts against the copper ring (20).