Two-way regulation speed control valve

Abstract

The utility model relates to the technical field of control valves, in particular to a two-way speed adjusting control valve which comprises a valve body, an adjusting mechanism is arranged in the valve body, a fixing seat is installed on the inner wall of the valve body and close to the adjusting mechanism, and a sealing ring is fixedly connected to the inner wall of the valve body and on the left side of the adjusting mechanism. A clamping spring is installed at the position, on the left side of the sealing ring, in the valve body, a fastening sleeve is installed at the position, close to the clamping spring, in the valve body, and a pressing cap is installed on the inner wall of the fastening sleeve. An adjusting mechanism is arranged in the valve body and comprises a V-shaped ring fixedly connected to the interior of the valve body, a valve seat is fixedly connected to the position, away from the V-shaped ring, of the interior of the valve body, and a valve element is installed on the inner wall of the valve seat. The problems that an existing speed control valve is complex in structure, large in size and low in adjusting precision are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of control valves, in particular to a bidirectional regulating speed control valve. Background Art

[0002] The speed control valve is a device used to control the flow rate of a fluid in a pipeline, but the existing speed control valve still has shortcomings, specifically: the existing speed control valve has a complex structure, a large size, and a low adjustment accuracy.

[0003] Therefore, a bidirectional adjustable speed control valve is needed to solve the problems raised in the above background technology. Utility Model Content

[0004] The utility model aims to provide a bidirectional regulating speed control valve to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A two-way regulating speed control valve comprises a valve body, an regulating mechanism is arranged inside the valve body, a fixing seat is installed on the inner wall of the valve body and near the regulating mechanism, a sealing ring is fixedly connected to the inner wall of the valve body and on the left side of the regulating mechanism, a retaining spring is installed inside the valve body and on the left side of the sealing ring, a fastening sleeve is installed inside the valve body and near the retaining spring, and a pressure cap is installed on the inner wall of the fastening sleeve;

[0007] The regulating mechanism includes a V-ring fixedly connected to the inside of the valve body, a valve seat is fixedly connected to the inside of the valve body and at a position away from the V-ring, a valve core is installed on the inner wall of the valve seat, a plastic shell is installed on the outer wall of the valve seat, a screw cap is installed on the outer wall of the plastic shell, O-rings are installed on the outer walls of the plastic shell and the valve core, and a through hole is opened in the inside of the plastic shell and on the right side of the valve core.

[0008] As a preferred solution of the utility model, the valve body and the fixing seat are made of copper alloy, the fastening sleeve is made of stainless steel, and the pressure cap is made of POM plastic.

[0009] As a preferred solution of the utility model, the sealing ring is made of nitrile rubber, and two groups of the adjusting mechanisms are provided, and the two groups of adjusting mechanisms are installed in the valve body in an L shape.

[0010] As a preferred solution of the utility model, the V-ring and the O-ring are made of nitrile rubber, and the valve core is made of POM plastic.

[0011] As a preferred solution of the utility model, the plastic shell is made of PBT plastic, the screw cap is made of POM plastic, and the valve core penetrates and extends outside the valve seat.

[0012] As a preferred solution of the utility model, the O-rings are provided in multiple groups, and the plastic shell extends through and out of the valve body.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, a two-way adjustable speed control valve is designed, and the regulating mechanism in the device is used to control the fluid flow rate. When air enters the valve body, a small part of the air entering will flow along the gap between the valve body and the plastic shell. The flowing airflow will open the skirt of the V-ring, thereby blocking the airflow from entering. Most of the airflow flows into the valve core through the through hole. The size of the gap between the through hole and the axis of the valve core is controllable. The smaller the gap, the smaller the outflow airflow, thereby adjusting the gas flow rate. The utility model has a simple structure and a small volume, which solves the problems of the existing speed control valve with a complex structure, a large volume and a low adjustment accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 It is a front cross-sectional view of the utility model;

[0017] Figure 3 It is an exploded view of the three-dimensional structure of the utility model.

[0018] In the figure: 1. valve body; 2. adjusting mechanism; 3. fixing seat; 4. sealing ring; 5. retaining ring; 6. fastening sleeve; 7. pressing cap; 201. V-ring; 202. valve seat; 203. valve core; 204. plastic shell; 205. screw cap; 206. O-ring; 207. through hole. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may also be a central element. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in this article includes any and all combinations of one or more related listed items.

[0023] For examples, see Figure 1-3 , the utility model provides a technical solution:

[0024] A two-way regulating speed control valve comprises a valve body 1, an regulating mechanism 2 is arranged inside the valve body 1, a fixing seat 3 is installed on the inner wall of the valve body 1 and near the regulating mechanism 2, a sealing ring 4 is fixedly connected to the inner wall of the valve body 1 and on the left side of the regulating mechanism 2, a retaining spring 5 is installed inside the valve body 1 and on the left side of the sealing ring 4, a fastening sleeve 6 is installed inside the valve body 1 and near the retaining spring 5, and a pressure cap 7 is installed on the inner wall of the fastening sleeve 6;

[0025] The valve body 1 and the fixing seat 3 are made of copper alloy, the fastening sleeve 6 is made of stainless steel, the pressure cap 7 is made of POM plastic, the sealing ring 4 is made of nitrile rubber, and the adjusting mechanism 2 is provided with two groups, and the two groups of adjusting mechanisms 2 are installed in the valve body 1 in an L shape;

[0026] In this embodiment, reference Figure 2 and Figure 3 The regulating mechanism 2 includes a V-ring 201 fixedly connected to the inside of the valve body 1, a valve seat 202 is fixedly connected to the inside of the valve body 1 and at a position away from the V-ring 201, a valve core 203 is installed on the inner wall of the valve seat 202, a plastic shell 204 is installed on the outer wall of the valve seat 202, a screw cap 205 is installed on the outer wall of the plastic shell 204, an O-ring 206 is installed on the outer walls of the plastic shell 204 and the valve core 203, and a through hole 207 is opened inside the plastic shell 204 and on the right side of the valve core 203;

[0027] The V-ring 201 and the O-ring 206 are made of nitrile rubber, the valve core 203 is made of POM plastic, the plastic shell 204 is made of PBT plastic, and the screw cap 205 is made of POM plastic. The valve core 203 penetrates and extends to the outside of the valve seat 202. There are multiple groups of O-rings 206. The plastic shell 204 penetrates and extends to the outside of the valve body 1. Air enters the valve body 1. A small part of the air enters and flows along the gap between the valve body 1 and the plastic shell 204. The flowing airflow opens the skirt of the V-ring 201, thereby blocking the airflow from entering. Most of the airflow flows into the valve core 203 through the through hole 207. The size of the gap between the through hole 207 and the axis of the valve core 203 is controllable. The smaller the gap, the smaller the outflow airflow, thereby adjusting the gas flow rate.

[0028] Working process of the utility model: when the two-way adjustable speed control valve designed by the present invention is in operation, air enters the valve body 1, and a small part of the air entering will flow along the gap between the valve body 1 and the plastic shell 204. The flowing airflow will open the skirt of the V-ring 201, thereby blocking the airflow from entering. Most of the airflow will flow into the valve core 203 through the through hole 207. The size of the gap between the through hole 207 and the axis of the valve core 203 is controllable. The smaller the gap, the smaller the outflow airflow, thereby adjusting the gas flow rate.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bidirectional speed control valve, comprising a valve body (1), characterized in that: The valve body (1) is provided with an adjusting mechanism (2) inside, a fixing seat (3) is installed on the inner wall of the valve body (1) and near the adjusting mechanism (2), a sealing ring (4) is fixedly connected to the inner wall of the valve body (1) and on the left side of the adjusting mechanism (2), a retaining spring (5) is installed inside the valve body (1) and on the left side of the sealing ring (4), a fastening sleeve (6) is installed inside the valve body (1) and near the retaining spring (5), and a pressure cap (7) is installed on the inner wall of the fastening sleeve (6); The regulating mechanism (2) comprises a V-ring (201) fixedly connected to the inside of the valve body (1); a valve seat (202) is fixedly connected to the inside of the valve body (1) and at a position away from the V-ring (201); a valve core (203) is installed on the inner wall of the valve seat (202); a plastic shell (204) is installed on the outer wall of the valve seat (202); a screw cap (205) is installed on the outer wall of the plastic shell (204); an O-ring (206) is installed on the outer walls of the plastic shell (204) and the valve core (203); and a through hole (207) is opened inside the plastic shell (204) and on the right side of the valve core (203).

2. A bidirectional regulating speed control valve according to claim 1, characterized in that: The valve body (1) and the fixing seat (3) are made of copper alloy, the fastening sleeve (6) is made of stainless steel, and the pressure cap (7) is made of PBT plastic.

3. A bidirectional regulating speed control valve according to claim 1, characterized in that: The sealing ring (4) is made of nitrile rubber, and two groups of the adjusting mechanisms (2) are provided, and the two groups of adjusting mechanisms (2) are installed in the valve body (1) in an L shape.

4. A bidirectional regulating speed control valve according to claim 1, characterized in that: The V-ring (201) and the O-ring (206) are made of nitrile rubber, and the valve core (203) is made of POM plastic.

5. A bidirectional regulating speed control valve according to claim 1, characterized in that: The plastic shell (204) is made of PBT plastic, the screw cap (205) is made of POM plastic, and the valve core (203) penetrates and extends outside the valve seat (202).

6. A bidirectional regulating speed control valve according to claim 1, characterized in that: The O-rings (206) are provided in multiple groups, and the plastic shell (204) extends through and to the outside of the valve body (1).

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