CN220815958U

CN220815958U - Check valve for water outlet of water pump

Info

Publication number: CN220815958U
Application number: CN202322752205.2U
Authority: CN
Inventors: 沈斌杰; 张辉; 石绿瑞
Original assignee: Nanyuan Pump Industry Co ltd
Current assignee: Nanyuan Pump Industry Co ltd
Priority date: 2023-10-13
Filing date: 2023-10-13
Publication date: 2024-04-19
Anticipated expiration: 2033-10-13

Abstract

The utility model relates to the technical field of check valves and provides a water pump water outlet check valve which comprises a check valve body, wherein a check valve clack is arranged in the check valve body, the outer surface of the check valve clack is contacted with the inner part of the check valve body, a check valve seat is arranged outside the check valve body, a spring is fixedly connected to the outer part of the check valve clack, a hollow groove is formed in the check valve body, the top of the spring is fixedly connected with the top of an inner cavity of the hollow groove, a rotary stress piece is fixedly connected to the inner part of the check valve body, a threaded section is formed in the outer surface of the check valve body, a buckle is arranged in the check valve body, a valve clack positioning groove is formed in the check valve body, the rotary stress piece of the check valve body is positioned at the top of the check valve body, a pump body is arranged outside the check valve body, and a water inlet and outlet body is arranged in the pump body. Through above-mentioned technical scheme, solved among the prior art current check valve structure too simple lead to damaging easily and need frequent problem of changing.

Description

Check valve for water outlet of water pump

Technical Field

The utility model relates to the technical field of check valves, in particular to a water pump water outlet check valve.

Background

Check valves are common in everyday use, but the variety of check valves used in pumps is relatively small. The existing check valve has too simple structure, is easy to damage after long-time use and needs to be replaced frequently; the check valve has a complex structure Trivialities, the manufacturing process is complex, and the large manufacturing cost is often required.

Disclosure of utility model

The utility model provides a water pump water outlet check valve, which solves the problems that the existing check valve in the related art is easy to damage and needs frequent replacement due to the fact that the structure of the existing check valve is too simple.

The technical scheme of the utility model is as follows:

The utility model provides a water pump delivery port check valve, includes the check valve body, the inside check valve clack that is equipped with of check valve body, the check valve clack surface contacts with the inside check valve body, the outside check valve seat that is equipped with of check valve body, the outside fixedly connected with spring of check valve clack, the hollow space has been seted up to the inside of check valve body, spring top and hollow space inner chamber top fixed connection.

Preferably, the inside fixedly connected with rotation atress piece of check valve body, the screw thread section has been seted up to the check valve body surface, the inside buckle that is equipped with of check valve body, the valve clack constant head tank has been seted up to the check valve body inside.

Preferably, the rotatory atress piece of check valve body is located the check valve body top, the check valve body outside is equipped with the pump body, the inside business turn over water that is provided with of pump body, screw thread section passes through threaded connection with business turn over water, the buckle is triangle-shaped.

Preferably, the bottom of the check valve clack is conical, a hollow rod positioned in the radial direction is fixedly connected in the middle of the check valve clack, and the hollow rod extends into the valve clack positioning groove and contacts with the valve clack positioning groove.

Preferably, the clamping groove is formed in the check valve seat, the buckle is connected with the clamping groove in a matched mode, the sealing gasket is fixedly connected with the inside of the check valve body, and the sealing gasket surrounds the outside of the check valve clack.

Preferably, the bottom of the check valve seat is arc-shaped, a first sealing ring is fixedly connected inside the check valve body and located at the top of the threaded section, and a second sealing ring is fixedly connected outside the check valve seat.

The working principle and the beneficial effects of the utility model are as follows:

1. the split type structure is adopted, each part is simple in structure and low in manufacturing cost, the split type structure is usually assembled and then is integrally arranged in the water pump, the tightness is good, the integral structure is reliable, and the opening and closing of the spring are regulated under the action of water pressure, so that the state of the check valve switch is achieved.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the overall structure of the present utility model;

FIG. 3 is a schematic diagram of the overall structure of the present utility model.

In the figure: 1. a check valve body; 1a, rotating a stress piece; 1b, a thread section; 1c, a buckle; 1d, a valve clack positioning groove; 2. a check valve flap; 2a, hollow rod; 3. a check valve seat; 3a, a clamping groove; 4. a first sealing ring; 5. a second sealing ring; 6. a spring; 7. a sealing gasket; 8. and water in and out.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 3, this embodiment provides a water pump water outlet check valve, including check valve body 1, the inside check valve clack 2 that is equipped with of check valve body 1, the contact of check valve clack 2 surface and check valve body 1 inside, the check valve body 1 outside is equipped with check valve seat 3, the outside fixedly connected with spring 6 of check valve clack 2, the hollow space has been seted up to check valve body 1 inside, spring 6 top and hollow space inner chamber top fixed connection.

In this embodiment, the inside fixedly connected with rotation atress piece 1a of check valve body 1, screw thread section 1b has been seted up to check valve body 1 surface, and the inside buckle 1C that is equipped with of check valve body 1, valve clack constant head tank 1d has been seted up to check valve body 1 inside.

In this embodiment, the rotatory atress piece 1a of check valve body 1 is located check valve body 1 top, and check valve body 1 outside is equipped with the pump body, and the inside business turn over water body 8 that is provided with of the pump body, screw thread section 1b and business turn over water body 8 pass through threaded connection, and buckle 1C is triangle-shaped.

In this embodiment, the bottom of the check valve clack 2 is tapered, a radially positioned hollow rod 2a is fixedly connected to the middle of the check valve clack 2, and the hollow rod 2a extends into the valve clack positioning groove 1d and contacts with the latter.

In this embodiment, draw-in groove 3a has been seted up to check valve seat 3 inside, and buckle 1C is connected with draw-in groove 3a cooperation, and the inside fixedly connected with of check valve body 1 is sealed to be filled up 7, and sealed pad 7 encircles in the outside of check valve clack 2.

In this embodiment, the bottom of the check valve seat 3 is arc-shaped, the first sealing ring 4 is fixedly connected to the inside of the check valve body 1, the first sealing ring 4 is located at the top of the threaded section 1b, and the second sealing ring 5 is fixedly connected to the outside of the check valve seat 3.

When the check valve is used, the spring 6 is arranged at the joint of the check valve clack 2 and the check valve body 1, and the spring 6 can be compressed under the action of water pressure, so that the check valve is opened, and the liquid in the pump body can be pumped out from the water outlet of the pump; after the pump body stops running, as the water pressure does not exist below, the spring 6 is spread for rebound, the check valve is closed, and the liquid at the water outlet is prevented from flowing back into the pump;

A buckle 1C is arranged below the check valve body 1, a clamping groove 3a is arranged above the check valve seat 3, the check valve body 1 is connected with the check valve seat 3 in a matched manner through the buckle 1C and the clamping groove 3a, a sealing gasket 7 is arranged on the check valve seat 3, and the sealing gasket 7 is pressed below the check valve body 1 after the check valve body 1 is connected with the check valve seat 3, so that the sealing performance of the check valve is ensured;

when the spring 6 is spread, the cambered surface below the check valve clack 2 compresses the sealing gasket 7, so that the sealing performance of the check valve clack is ensured;

a rotary stress piece 1a is arranged above the check valve body 1, and the stress piece 1a is pinched by a hand to screw the check valve into a pump body in-out water body 8;

The check valve is matched with the water inlet and outlet body 8 through the thread section 1b, and the sealing performance of the check valve and the water inlet and outlet body 8 is guaranteed through the first sealing ring 4 and the second sealing ring 5.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a water pump delivery port check valve, includes check valve body (1), its characterized in that, check valve body (1) inside is equipped with check valve clack (2), check valve clack (2) surface and the inside contact of check valve body (1), check valve body (1) outside is equipped with check valve seat (3), check valve clack (2) outside fixedly connected with spring (6), the hollow space has been seted up to check valve body (1) inside, spring (6) top and hollow space inner chamber top fixed connection.

2. The water pump water outlet check valve according to claim 1, wherein a rotary stress plate (1 a) is fixedly connected inside the check valve body (1), a threaded section (1 b) is formed on the outer surface of the check valve body (1), a buckle (1C) is arranged inside the check valve body (1), and a valve clack positioning groove (1 d) is formed inside the check valve body (1).

3. The water pump water outlet check valve according to claim 2, wherein the check valve body (1) is provided with a rotary stress piece (1 a) at the top of the check valve body (1), a pump body is arranged outside the check valve body (1), a water inlet and outlet body (8) is arranged inside the pump body, the threaded section (1 b) is in threaded connection with the water inlet and outlet body (8), and the buckle (1C) is triangular.

4. A water pump outlet check valve according to claim 2, characterized in that the bottom of the check valve clack (2) is conical, a radially positioned hollow rod (2 a) is fixedly connected in the middle of the check valve clack (2), and the hollow rod (2 a) extends into the valve clack positioning groove (1 d) and is in contact with the latter.

5. The water pump water outlet check valve according to claim 2, wherein a clamping groove (3 a) is formed in the check valve seat (3), the clamping buckle (1C) is connected with the clamping groove (3 a) in a matched mode, a sealing gasket (7) is fixedly connected inside the check valve body (1), and the sealing gasket (7) surrounds the outside of the check valve clack (2).

6. The water pump water outlet check valve according to claim 2, wherein the bottom of the check valve seat (3) is in a circular arc shape, a first sealing ring (4) is fixedly connected inside the check valve body (1), the first sealing ring (4) is located at the top of the threaded section (1 b), and a second sealing ring (5) is fixedly connected outside the check valve seat (3).