CN217030077U

CN217030077U - Check valve convenient to equipment

Info

Publication number: CN217030077U
Application number: CN202220653273.6U
Authority: CN
Inventors: 郭占涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-07-22
Anticipated expiration: 2032-03-24

Abstract

The utility model discloses a check valve convenient to assemble, which comprises a valve body, a valve seat and a valve plate, wherein the valve seat is arranged on the valve body, and the valve plate is hinged on the valve seat; the valve seat comprises a valve seat body, a closed ring is arranged on the upper end face of the valve seat body, a water inlet hole is formed in the center of the closed ring, and the valve plate cover is arranged at the water inlet hole of the closed ring. The utility model has simple integral structure, reasonable design, convenient and fast assembly and reduced production cost.

Description

Check valve convenient to equipment

Technical Field

The utility model relates to the technical field of valves, in particular to a check valve convenient to assemble.

Background

Valves are often used as fluid switches in plumbing, and some plumbing requirements ensure that fluid flows in a fixed direction. The check valve is a valve which can block the back flow of medium by means of self-weight and medium pressure, belonging to the field of automatic valve.

In the traditional check valve, the valve seat and the valve plate are arranged inside the valve body, the structure is complex, the assembly is inconvenient, the molding cost is high, the check and the maintenance are inconvenient after the valve has a problem, the service performance and the service life of the valve are directly influenced, and the cost is further increased; and the valve plate opening angle of the existing valve is too big, so that the valve plate can not return to seal easily, and the function of preventing liquid from flowing backwards can not be realized.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to overcoming the above-mentioned deficiencies of the prior art and providing a check valve that is easy to assemble.

In order to solve the problems, the technical scheme adopted by the utility model is as follows:

a check valve convenient to assemble comprises a valve body, a valve seat and a valve plate, wherein the valve seat is arranged on the valve body, and the valve plate is hinged on the valve seat; the valve seat comprises a valve seat body, a closed ring is arranged on the upper end face of the valve seat body, a water inlet hole is formed in the center of the closed ring, and the valve plate cover is arranged at the water inlet hole of the closed ring.

Furthermore, the upper end face of the valve seat body is provided with two oppositely arranged support columns, a pin shaft is arranged between the two support columns, a shaft sleeve is arranged on the valve plate, and the valve plate is rotatably connected with the pin shaft through the shaft sleeve.

Furthermore, the top of support column is provided with the restriction the stopper of valve plate opening angle.

Furthermore, one end of the valve body is an inlet, the other end of the valve body is an outlet, and the valve seat is arranged at the inlet end of the valve body.

Furthermore, the valve seat is made of plastic materials.

Further, the valve seat body is in interference fit with the valve body inlet.

Further, be provided with annular card platform on the disk seat body, be provided with the sealing washer on the annular card platform.

Furthermore, the valve plate is made of metal materials, and a rubber layer wraps the valve plate.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:

the valve plate and the valve seat have simple structures and are convenient to produce and process, and the valve plate and the valve seat are assembled outside the valve body, so that the assembly efficiency is high; the valve seat is directly clamped at the inlet of the valve body through the pressure of the hydraulic press, so that the valve seat is convenient and quick to install and convenient to check, maintain and replace; the valve seat is provided with the limiting block which can limit the opening angle of the valve plate to be less than 90 degrees, so that the valve plate can be closed in time when liquid is cut off and flows back, and the liquid is prevented from flowing back; according to the utility model, the annular clamping table is arranged on the valve seat body and used for placing the sealing ring, so that the stable installation of the sealing ring is ensured, and a good sealing effect is realized. The utility model has simple integral structure, reasonable design, convenient and fast assembly and reduced production cost.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the valve plate and valve seat assembly of the present invention.

In the figure: 1. a valve body; 2. a valve plate; 3. a valve seat body; 4. a closed ring; 5. a water inlet hole; 6. a support pillar; 7. a pin shaft; 8. a shaft sleeve; 9. a limiting block; 10. an inlet; 11. an outlet; 12. an annular clamping table; 13. and (5) sealing rings.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1-3, the present invention is a specific embodiment of a check valve convenient for assembly, and the embodiment includes a valve body 1, a valve seat and a valve plate 2, wherein the valve seat is disposed on the valve body 1, and the valve plate 2 is hinged to the valve seat; the valve seat comprises a valve seat body 3, a closed ring 4 is arranged on the upper end face of the valve seat body 3, a water inlet hole 5 is formed in the center of the closed ring 4, and the valve plate 2 covers the water inlet hole 5 of the closed ring 4.

Furthermore, there are two support columns 6 that set up relatively on the 3 up end of disk seat body, two be provided with round pin axle 7 between the support column 6, be provided with axle sleeve 8 on the valve plate 2, valve plate 2 through axle sleeve 8 with round pin axle 7 is rotated and is connected, valve plate 2 rotates around round pin axle 7 and opens or close inlet opening 5.

Furthermore, the top of support column 6 is provided with the restriction the stopper 9 of valve plate 2 opening angle, the setting of stopper 9 can restrict valve plate 2 opening angle and be less than 90, and valve plate 2 can not open completely, and when being convenient for liquid reverse flow, inlet opening 5 can be closed to valve plate 2, reaches the purpose that prevents the liquid refluence.

Furthermore, one end of the valve body 1 is an inlet 10, the other end of the valve body 1 is an outlet 11, the valve seat is arranged at the inlet 10 end of the valve body 1, and the valve seat body 3 is matched with the inlet 10 of the valve body 1.

Furthermore, the valve seat is made of plastic materials, so that the valve seat is convenient to manufacture and install, and meanwhile, the production cost of the valve seat is reduced.

Furthermore, the valve seat body 3 is in interference fit with the inlet 10 of the valve body 1, so that the valve seat body 3 can be directly pressed and fixed on the valve body 1 by pressure.

Further, an annular clamping table 12 is arranged on the valve seat body 3, a sealing ring 13 is arranged on the annular clamping table 12, and after the valve seat is installed, the sealing ring 13 is located between the valve seat and the valve body 1, so that the sealing performance of the valve is improved.

Further, the valve plate 2 is made of metal materials, a rubber layer wraps the valve plate 2, and the sealing performance of the valve plate 2 and the closed ring 4 on the valve seat is improved due to the arrangement of the rubber layer.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The check valve convenient to assemble is characterized by comprising a valve body (1), a valve seat and a valve plate (2), wherein the valve seat is arranged on the valve body (1), and the valve plate (2) is hinged on the valve seat; the valve seat comprises a valve seat body (3), a closed ring (4) is arranged on the upper end face of the valve seat body (3), a water inlet hole (5) is formed in the center of the closed ring (4), and the valve plate (2) is arranged at the position of the water inlet hole (5) of the closed ring (4).

2. The check valve convenient to assemble according to claim 1, wherein the upper end face of the valve seat body (3) is provided with two oppositely arranged supporting columns (6), a pin shaft (7) is arranged between the two supporting columns (6), a shaft sleeve (8) is arranged on the valve plate (2), and the valve plate (2) is rotatably connected with the pin shaft (7) through the shaft sleeve (8).

3. An easy-to-assemble non-return valve according to claim 2, characterized in that the top of the support column (6) is provided with a limit block (9) limiting the opening angle of the valve plate (2).

4. An easy-to-assemble non-return valve according to claim 1, characterized in that one end of the valve body (1) is an inlet (10) and the other end of the valve body (1) is an outlet (11), and the valve seat is arranged at the inlet (10) end of the valve body (1).

5. The check valve of claim 4, wherein the valve seat is made of plastic.

6. An easy-to-assemble non-return valve according to claim 5, characterized in that the seat body (3) is interference fitted with the inlet (10) of the valve body (1).

7. An easy-to-assemble non-return valve according to claim 1, characterized in that the seat body (3) is provided with an annular clamping table (12), and the annular clamping table (12) is provided with a sealing ring (13).

8. The check valve convenient to assemble as claimed in claim 1, wherein the valve plate (2) is made of metal, and the valve plate (2) is wrapped by a rubber layer.