CN219796216U

CN219796216U - Y-shaped filtering check valve

Info

Publication number: CN219796216U
Application number: CN202321303005.2U
Authority: CN
Inventors: 杨斌
Original assignee: Wenzhou Weinaite Valve Co ltd
Current assignee: Wenzhou Weinaite Valve Co ltd
Priority date: 2023-05-23
Filing date: 2023-05-23
Publication date: 2023-10-03
Anticipated expiration: 2033-05-23

Abstract

The utility model belongs to the technical field of check valves, and particularly relates to a Y-shaped filtering check valve, which comprises: the valve body is provided with a water inlet, a water outlet and a valve seat, and the valve seat and the inner wall of the valve body are of an integrated structure; the check pipe is integrally connected to the valve body and is positioned outside the valve body; the valve cover is provided with a connecting part and a ring groove, and a cavity structure is arranged in the connecting part; the valve rod is arranged in the check pipe, one end of the valve rod is provided with a valve clack, the valve clack is contacted with the valve seat, and the other end of the valve rod is arranged in the cavity of the connecting part; one end of the spring is abutted against the valve cover, and the other end of the spring is abutted against the valve clack; one end of the filter cylinder is arranged in the annular groove, and the other end of the filter cylinder is arranged on the valve seat; wherein, the valve cover is arranged on the check pipe and used for sealing the pipe orifice; the utility model has the beneficial effects that the filter cylinder is arranged in the check pipe to filter and purify the fluid, so that the practicability is improved.

Description

Y-shaped filtering check valve

Technical Field

The utility model belongs to the technical field of check valves, and particularly relates to a Y-shaped filtering check valve.

Background

The check valve is an automatic valve which is used for preventing medium from flowing backwards and preventing accidents, and is also called check valve, one-way valve, reverse flow valve and back pressure valve, and its main function is to prevent medium from flowing backwards, prevent reverse rotation of pump and driving motor and discharge of container medium.

In the prior art, most check valves generally have no filtering structure, impurities in fluid cannot be filtered and removed, and a filtering structure is often needed to be connected, so that the check valve has a single function.

Disclosure of Invention

The utility model aims at solving the technical problems, and provides a Y-shaped filtering check valve which achieves the effect of filtering and impurity removing on fluid.

In view of this, the present utility model provides a Y-shaped filtering check valve comprising:

the valve body is provided with a water inlet, a water outlet and a valve seat, and the valve seat and the inner wall of the valve body are of an integrated structure;

the check pipe is integrally connected to the valve body and is positioned outside the valve body;

the valve cover is provided with a connecting part and an annular groove, and a cavity structure is arranged in the connecting part;

the valve rod is arranged in the check pipe, one end of the valve rod is provided with a valve clack, the valve clack is contacted with the valve seat, and the other end of the valve rod is arranged in the cavity of the connecting part;

one end of the spring is abutted against the valve cover, and the other end of the spring is abutted against the valve clack;

one end of the filter cylinder is arranged in the annular groove, and the other end of the filter cylinder is arranged on the valve seat;

wherein, the valve gap is installed on the check pipe and is used for closing off the mouth of pipe.

Further, still include the filter, the filter includes:

the filter frame is arranged in the valve body in a circular shape;

the filter screen is arranged in the filter frame;

the fixed block is semicircular and is integrally connected with the filter frame;

wherein, the fixed block is detachably installed on the valve body.

Further, the valve further comprises a drain plug which is detachably arranged on the valve body and is positioned at the water inlet.

Further, a hemispherical protruding block is arranged at one end of the valve rod close to the water inlet.

Further, the valve cover is connected to the orifice of the check pipe in a threaded manner.

Further, a handle is further arranged on the valve cover, and the handle is integrally connected with the valve cover.

Further, the valve cover is provided with a sealing ring, and the sealing ring is arranged between the valve cover and the pipe orifice of the check pipe.

The beneficial effects of the utility model are as follows:

1. fluid flows into the filter cylinder of the check pipe from the valve seat, is filtered and purified through the filter cylinder, flows to the water outlet of the valve body, and when the fluid inflow is stopped at the water inlet, the valve clack is pushed by the restoring force generated by the spring to move along the axial direction of the valve rod to be close to the valve seat, so that the valve clack and the valve seat are tightly attached to seal, the fluid is prevented from flowing back from the water outlet, and the filter cylinder is arranged in the check pipe to play a role in filtering and purifying the fluid, so that the practicability is improved.

2. The installation sets up the filter screen and carries out primary filtration to the fluid of flow valve body, filters the impurity that gets rid of some volumes are great, particulate matter to impurity, particulate matter that the fluid internal volume is great are piled up in disk seat department and are produced the influence to the leakproofness between valve clack and the disk seat, still improve filtration performance when guaranteeing the non return effect.

3. The pollution discharge plug is arranged on the valve body, so that impurities and particulate matters with larger volume in the fluid can be cleaned out, the smoothness of the water inlet is ensured, and the practicability of the check valve is improved.

Drawings

FIG. 1 is of the present utility model;

FIG. 2 is a diagram of the present utility model;

FIG. 3 is a diagram of the present utility model;

the label in the figure is:

1. a valve body; 11. a water inlet; 12. a water outlet; 13. a valve seat; 2. a check pipe; 3. a valve cover; 31. a connection part; 32. a ring groove; 33. a cavity; 34. a handle; 35. a seal ring; 4. a valve stem; 41. a bump; 5. a valve flap; 6. a spring; 7. a filter cartridge; 8. a filter; 81. a filter frame; 82. a filter screen; 83. a fixed block; 84. a mounting base; 85. a sealing strip; 9. a pollution discharge plug.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which are obtained by a person skilled in the art based on the embodiments of the present utility model, fall within the scope of protection of the present utility model.

In the description of the present utility model, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments in accordance with the present utility model. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

Example 1:

the present embodiment provides a Y-shaped filtering check valve, comprising:

the valve body 1 is provided with a water inlet 11, a water outlet 12 and a valve seat 13, and the valve seat 13 and the inner wall of the valve body 1 are of an integrated structure;

the check pipe 2 is integrally connected to the valve body 1 and is positioned outside the valve body 1;

the valve cover 3 is provided with a connecting part 31 and a ring groove 32, and a cavity 33 structure is arranged in the connecting part 31;

the valve rod 4 is arranged in the check pipe 2, one end of the valve rod 4 is provided with a valve clack 5, the valve clack 5 is contacted with the valve seat 13, and the other end of the valve rod 4 is arranged in the cavity 33 of the connecting part 31;

the spring 6, one end of the spring 6 is in contact with the valve cover 3, and the other end is in contact with the valve clack 5;

a filter cartridge 7, wherein one end of the filter cartridge 7 is installed in the annular groove 32, and the other end of the filter cartridge 7 is installed on the valve seat 13;

wherein, the valve cover 3 is installed on the check pipe 2 for closing the pipe orifice.

In the technical scheme, a water inlet 11 and a water outlet 12 are arranged on a valve body 1, a check pipe 2 is integrally connected to the valve body 1, the check pipe 2 and the valve body 1 incline at a certain angle, a valve cover 3 is arranged at the pipe orifice of the check pipe 2, a connecting part 31 is arranged on one side of the valve cover 3 facing into the check pipe 2, the connecting part 31 is columnar, and a cavity 33 structure is arranged in the connecting part 31; the check valve is characterized in that a valve rod 4 is arranged in the check pipe 2, a valve clack 5 is arranged at one end of the valve rod 4, the other end of the valve rod 4 is arranged in a cavity 33 in a connecting part 31 and can move in the cavity 33, a spring 6 is arranged between the valve clack 5 and a valve cover 3, the spring 6 is sleeved on the connecting part 31 of the valve cover 3, two ends of the spring are respectively abutted against the valve cover 3 and the valve clack 5, the valve clack 5 is tightly attached to a valve seat 13 through the spring 6, when fluid flows into the valve body 1 from a water inlet 11 of the valve body 1 to reach the position of the valve seat 13, the fluid generates impact force on one end of the valve rod 4, the valve clack 5 is pushed to be away from the valve seat 13 along the axial position of the valve rod 4, so that the spring 6 is compressed by the valve clack 5, then the fluid flows into a filter cartridge 7 of the check pipe 2 through the valve seat 13, the fluid filtered and purified through the filter cartridge 7 flows to a water outlet 12 of the valve body 1, when the fluid flow into the water inlet 11 stops, the valve clack 5 is tightly attached to the valve seat 13 along the axial direction, the valve clack is sealed, the fluid is prevented from flowing from the water outlet 12, and the effect is improved through the filter cartridge 7, and the practical effect is improved.

Example 2:

the present embodiment provides a Y-shaped filtering check valve having the following technical features in addition to the technical scheme including the above embodiment.

Further, a filter element 8 is included, the filter element 8 includes:

the filter frame 81 is installed in the valve body 1 in a circular ring shape;

a screen 82, the screen 82 being mounted within the screen frame 81;

a fixed block 83, wherein the fixed block 83 is in a semicircular shape and is integrally connected with the filter frame 81;

wherein the fixed block 83 is detachably mounted on the valve body 1.

In the technical scheme, a semicircular groove is formed in a valve body 1, a mounting seat 84 is arranged on the outer wall of the valve body 1 at the groove, when a filter frame 81 is mounted in the valve body 1, a fixed block 83 is attached to the mounting seat 84, then threaded through holes which are communicated with each other are formed in the fixed block 83 and the mounting seat 84, and the fixed block 83 and the mounting seat 84 are connected and mounted together through bolts, so that a filter screen 82 is mounted in the valve body 1; the filter screen 82 is arranged to filter and remove impurities and particles with larger volume for the first time, so that the impurities and particles with larger volume in the fluid are prevented from accumulating at the valve seat 13 to influence the tightness between the valve clack 5 and the valve seat 13, the check effect of the check valve is influenced, the filtering performance is improved while the check effect is ensured, the filter screen 82 is detachably arranged on the valve body 1, the filter screen 82 is also convenient to detach and clean, and the service life of the filter screen 82 is prolonged; and paste the sealing strip 85 that is equipped with the rubber material on the notch edge of recess, when fixed block 83 and mount pad 84 link together, sealing strip 85 receives the extrusion of fixed block 83 and mount pad 84, plays sealed leak protection water effect.

Example 3:

Further, the valve further comprises a drain plug 9, wherein the drain plug 9 is detachably arranged on the valve body 1 and is positioned at the water inlet 11.

In this technical scheme, set up the screw hole on valve body 1 is close to the one end of water inlet 11, threaded connection is equipped with blowdown stopper 9 on the screw hole, can pile up in blowdown stopper 9 after the great impurity of volume in the fluid, particulate matter are filtered by filter screen 82, can clear up great impurity, the particulate matter of volume in the fluid through dismantling clean blowdown stopper 9, guarantees the unobstructed of water inlet 11, improves the practicality of check valve effectively.

Example 4:

Further, a hemispherical bump 41 is arranged at one end of the valve rod 4 near the water inlet 11.

In this technical scheme, through design hemispherical lug 41 on the one end that valve rod 4 is close to water inlet 11 department, utilize hemispherical lug 41 can prevent fluidic water hammer phenomenon, reduce the wearing and tearing of valve rod 4, increase valve rod 4's life, improve the durability.

Example 5:

Further, the valve cover 3 is connected to the orifice of the check tube 2 in a threaded manner.

Further, a handle 34 is further provided on the valve cover 3, and the handle 34 is integrally connected with the valve cover 3.

In the technical scheme, the valve cover 3 is connected with the pipe orifice of the check pipe 2 through threads, the valve cover 3 and the check pipe 2 are detachably arranged together, the spring 6, the valve rod 4 and the filter cylinder 7 in the check pipe 2 can be conveniently taken out through the disassembly of the valve cover 3, the replacement of the spring 6, the valve rod 4 and the filter cylinder 7 is convenient, and when one part is damaged, the whole check valve is not required to be replaced, so that the cost is reduced, and the economic benefit is improved; the handle 34 integrally connected is further arranged on the valve cover 3, the handle 34 is designed to facilitate the assembly and disassembly of the valve cover 3 and the check pipe 2, the assembly and disassembly are more convenient and labor-saving, and the practicability is improved.

Example 6:

Further, the valve cover comprises a sealing ring 35, and the sealing ring 35 is arranged between the valve cover 3 and the pipe orifice of the check pipe 2.

In this technical scheme, be equipped with sealing washer 35 between the mouth of pipe of valve gap 3 and check pipe 2, when valve gap 3 threaded connection was in the mouth of pipe department of check pipe 2, sealing washer 35 was compressed tightly by valve gap 3 and check pipe 2, strengthened the connection leakproofness of valve gap 3 and check pipe 2 through sealing washer 35, prevented that fluid from leaking out from the mouth of pipe department of check pipe 2, improved sealing performance.

The embodiments of the present utility model have been described above with reference to the accompanying drawings, in which the embodiments of the present utility model and features of the embodiments may be combined with each other without conflict, the present utility model is not limited to the above-described embodiments, which are merely illustrative, not restrictive, of the present utility model, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present utility model and the scope of the claims, which are protected by the present utility model.

Claims

1. A Y-filter check valve, comprising:

the valve comprises a valve body (1), wherein a water inlet (11), a water outlet (12) and a valve seat (13) are arranged on the valve body (1), and the valve seat (13) and the inner wall of the valve body (1) are of an integrated structure;

the check pipe (2) is integrally connected to the valve body (1) and is positioned outside the valve body (1);

the valve cover (3) is provided with a connecting part (31) and a ring groove (32), and a cavity (33) structure is arranged in the connecting part (31);

the valve rod (4) is arranged in the check pipe (2), one end of the valve rod (4) is provided with a valve clack (5), the valve clack (5) is contacted with the valve seat (13), and the other end of the valve rod (4) is arranged in the cavity (33) of the connecting part (31);

the spring (6), one end of the spring (6) is in contact with the valve cover (3), and the other end is in contact with the valve clack (5);

a filter cartridge (7), wherein one end of the filter cartridge (7) is installed in the annular groove (32), and the other end of the filter cartridge is installed on the valve seat (13);

wherein, the valve cover (3) is arranged on the check pipe (2) and used for sealing the pipe orifice.

2. A Y-filter check valve according to claim 1, further comprising a filter element (8), said filter element (8) comprising:

the filter frame (81) is arranged in the valve body (1) in a circular shape;

a screen (82), the screen (82) being mounted within a filter frame (81);

the fixed block (83), the said fixed block (83) is a semicircle ring and integrally connects with filter frame (81);

wherein, fixed block (83) is detachably installed on valve body (1).

3. A Y-filter check valve according to claim 1, further comprising a drain plug (9), said drain plug (9) being removably mounted to the valve body (1) and being located at the water inlet (11).

4. A Y-shaped filtering check valve according to claim 1, characterized in that the valve stem (4) is provided with a hemispherical projection (41) at one end near the water inlet (11).

5. A Y-filter check valve according to claim 1, characterized in that the valve cap (3) is screwed onto the mouth of the check tube (2).

6. A Y-shaped filtering check valve according to claim 1, characterized in that the valve cover (3) is further provided with a handle (34), and the handle (34) is integrally connected with the valve cover (3).

7. A Y-filter check valve according to claim 1, further comprising a sealing ring (35), said sealing ring (35) being arranged between the valve cap (3) and the orifice of the check tube (2).