CN220168651U

CN220168651U - Adjustable one-way valve assembly

Info

Publication number: CN220168651U
Application number: CN202321459071.9U
Authority: CN
Inventors: 冉军鹏
Original assignee: Shaanxi Hanzhi Zhuoyuan Petroleum Technology Engineering Co ltd
Current assignee: Shaanxi Hanzhi Zhuoyuan Petroleum Technology Engineering Co ltd
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2023-12-12
Anticipated expiration: 2033-06-09

Abstract

The utility model discloses an adjustable one-way valve assembly, which comprises a first valve body, a second valve body and a valve core, wherein the valve core is arranged in the first valve body, the outer wall of the valve core is fixedly connected with a sealing baffle, the sealing baffle is propped against the first valve body, the inner wall of one end of the first valve body far away from the valve core is rotationally connected with the second valve body through a bearing, the outer wall of one end of the second valve body, which is positioned in the first valve body, is fixedly connected with an external thread pipe, the outer wall of the external thread pipe is in threaded connection with an internal thread pipe, the outer wall of one side of the internal thread pipe is fixedly connected with a circular ring block, the outer wall of the circular ring block is fixedly connected with a spring, the other end of the spring is fixedly connected with the valve core, the outer wall of one end of the second valve body, which is positioned in the first valve body, is penetrated and provided with a groove, is fixedly connected with a first sealing ring, and the opening pressure of the one-way valve can be adjusted at will without disassembling the one-way valve through controlling the compression amount of the spring.

Description

Adjustable one-way valve assembly

Technical Field

The utility model relates to the technical field of one-way valves, in particular to an adjustable one-way valve assembly.

Background

The check valve is characterized in that fluid can only flow along the water inlet, but water outlet medium cannot flow back, and is generally used for preventing oil flow from flowing reversely in a hydraulic system or compressed air from flowing reversely in a pneumatic system, the check valve is of a straight-through type and a right-angle type, the straight-through type check valve is installed on a pipeline by threaded connection, and the right-angle type check valve is in three types of threaded connection, plate type connection and flange connection.

The opening pressure of the straight-through type one-way valve cannot be changed after the assembly is completed, if the opening pressure is to be adjusted, only the spring in the straight-through type one-way valve can be replaced, the operation is inconvenient during disassembly, the disassembly period is long, the time of putting products into production is prolonged, and therefore the adjustable one-way valve assembly is necessary.

Disclosure of Invention

The present utility model is directed to an adjustable check valve assembly, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the adjustable one-way valve assembly comprises a first valve body, a second valve body and a valve core, wherein the valve core is arranged in the first valve body, the outer wall of the valve core is fixedly connected with a sealing baffle plate, the sealing baffle plate is propped against the first valve body, and the inner wall of one end of the first valve body far away from the valve core is rotationally connected with the second valve body through a bearing;

the second valve body is located the inside one end outer wall fixedly connected with external screw thread pipe of first valve body, the outer wall threaded connection of external screw thread pipe has the internal screw thread pipe, one side outer wall fixedly connected with ring piece of internal screw thread pipe, the outer wall fixedly connected with spring of ring piece, just the other end and the case of spring are fixed to link to each other.

Preferably, the outer wall of one end of the second valve body, which is positioned in the first valve body, is provided with a groove in a penetrating way, the groove is fixedly connected with a first sealing ring, and the first sealing ring abuts against the inner wall of the first valve body.

Preferably, the outer wall of the circular ring block is fixedly connected with a second sealing ring, and the second sealing ring abuts against the inner wall of the first valve body.

Preferably, the outer wall of one end of the second valve body, which is positioned in the first valve body, is symmetrically provided with threaded holes in a penetrating way, and one ends of the two threaded holes extend out of the first valve body in a penetrating way.

Preferably, the inner walls of the two threaded holes are both in threaded connection with fixing bolts.

Preferably, the inner wall of one side of the first valve body is symmetrically fixedly connected with two limiting blocks, and the two limiting blocks penetrate through the holes and extend out of the circular ring block.

Compared with the prior art, the utility model has the beneficial effects that: the second valve body is rotated, the second valve body drives the external thread pipe to rotate in the first valve body, the external thread pipe pushes the internal thread pipe and the circular ring block to move outwards at the limiting block of the limiting block, the spring is compressed through the circular ring block, the second valve body can be reversely rotated, the spring is released through the circular ring block, after adjustment is completed, the fixing bolt is rotated into the threaded hole to fixedly connect the first valve body with the second valve body, the opening pressure of the one-way valve can be adjusted at will through controlling the compression amount of the spring, and pressure adjustment can be carried out without disassembling the one-way valve.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

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

FIG. 3 is a schematic side view of a second valve body of the present utility model;

FIG. 4 is a schematic side view of the valve core and sealing baffle of the present utility model.

In the figure: 1. a first valve body; 2. a second valve body; 3. a valve core; 4. a sealing baffle; 5. an external threaded tube; 6. an internally threaded tube; 7. a circular ring block; 8. a spring; 9. a first seal ring; 10. a second seal ring; 11. a threaded hole; 12. a fixing bolt; 13. and a limiting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled 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.

Referring to fig. 1-4, the present utility model provides a technical solution: the adjustable one-way valve assembly comprises a first valve body 1, a second valve body 2 and a valve core 3, wherein the valve core 3 is arranged in the first valve body 1, the outer wall of the valve core 3 is fixedly connected with a sealing baffle 4, the sealing baffle 4 is propped against the first valve body 1, and the inner wall of one end, far away from the valve core 3, of the first valve body 1 is rotationally connected with the second valve body 2 through a bearing;

the second valve body 2 is located the inside one end outer wall fixedly connected with external screw thread pipe 5 of first valve body 1, and the outer wall threaded connection of external screw thread pipe 5 has internal screw thread pipe 6, and one side outer wall fixedly connected with ring piece 7 of internal screw thread pipe 6, the outer wall fixedly connected with spring 8 of ring piece 7, and the other end and the case 3 of spring 8 are fixed to link to each other.

Wherein, the second valve body 2 is located the one end outer wall of first valve body 1 and runs through and set up fluted and recess department fixedly connected with first sealing washer 9, and first sealing washer 9 offsets with first valve body 1 inner wall, and the leakproofness between second valve body 2 and the first valve body 1 is increased to the convenient to use first sealing washer 9.

The outer wall of the circular ring block 7 is fixedly connected with a second sealing ring 10, and the second sealing ring 10 abuts against the inner wall of the first valve body 1, so that the second sealing ring 10 is convenient to use, and the circular ring block 7 slides in the first valve body 1.

Wherein, the second valve body 2 is located one end outer wall in the first valve body 1 and symmetrically runs through and has offered screw hole 11, and the one end of two screw holes 11 runs through and extends to outside the first valve body 1, is convenient for use fixing bolt 12 to fix second valve body 2 with first valve body 1 mutually.

Wherein, the inner wall of two screw holes 11 all threaded connection has fixing bolt 12, is convenient for use fixing bolt 12 to fix second valve body 2 with first valve body 1 mutually.

Wherein, one side inner wall of the first valve body 1 is symmetrical form fixedly connected with two stopper 13, and two stopper 13 run through outside extending to ring piece 7 through the hole, and the stopper 13 of being convenient for carries out spacingly to ring piece 7.

Specifically, when the utility model is used, when the opening pressure in the first valve body 1 needs to be regulated, the fixing bolt 12 is firstly rotated out of the threaded hole 11 to rotate the second valve body 2, the second valve body 2 drives the external threaded pipe 5 to rotate in the first valve body 1 at the same time, the external threaded pipe 5 drives the internal threaded pipe 6 to move outwards under the limit of the limiting block 13, the internal threaded pipe 6 moves on the limiting block 13 and drives the circular block 7 to move, the spring 8 is extruded by the circular block 7, the compression amount of the spring 8 is regulated, the opening pressure of the one-way valve is controlled, the compression amount of the spring 8 can be ensured according to the rotation number of the threaded hole 11 on the outer wall of the second valve body 2, the threaded hole 11 is aligned, and the fixing bolt 12 is rotated into the threaded hole 11 to fixedly connect the first valve body 1 with the second valve body 2.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby a feature defining "first," "second," "third," "fourth" may explicitly or implicitly include at least that feature.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a check valve subassembly with adjustable, includes first valve body (1) and second valve body (2) and case (3), the inside of first valve body (1) sets up case (3), the outer wall fixedly connected with sealing baffle (4) of case (3), just sealing baffle (4) offsets with first valve body (1), its characterized in that, the one end inner wall that first valve body (1) kept away from case (3) is connected with second valve body (2) through the bearing rotation;

the second valve body (2) is located one end outer wall fixedly connected with external screw thread pipe (5) of inside of first valve body (1), the outer wall threaded connection of external screw thread pipe (5) has internal screw thread pipe (6), one side outer wall fixedly connected with ring piece (7) of internal screw thread pipe (6), the outer wall fixedly connected with spring (8) of ring piece (7), just the other end and the case (3) of spring (8) are fixed to link to each other.

2. An adjustable one-way valve assembly according to claim 1, wherein: the outer wall of one end of the second valve body (2) positioned in the first valve body (1) is provided with a groove in a penetrating mode, the groove is fixedly connected with a first sealing ring (9), and the first sealing ring (9) abuts against the inner wall of the first valve body (1).

3. An adjustable one-way valve assembly according to claim 1, wherein: the outer wall of the circular ring block (7) is fixedly connected with a second sealing ring (10), and the second sealing ring (10) is propped against the inner wall of the first valve body (1).

4. An adjustable one-way valve assembly according to claim 1, wherein: the outer wall of one end of the second valve body (2) positioned in the first valve body (1) is symmetrically penetrated and provided with threaded holes (11), and one ends of the two threaded holes (11) penetrate and extend out of the first valve body (1).

5. An adjustable one-way valve assembly according to claim 4, wherein: the inner walls of the two threaded holes (11) are in threaded connection with fixing bolts (12).

6. An adjustable one-way valve assembly according to claim 1, wherein: two limiting blocks (13) are symmetrically fixedly connected to the inner wall of one side of the first valve body (1), and the two limiting blocks (13) penetrate through holes to extend out of the circular ring block (7).