Self-adaptive exhaust valve of gas compressor

Abstract

The utility model discloses a self-adaptive exhaust valve of a gas compressor, which comprises a valve body, the valve body is fixedly connected on a cover of the gas compressor through a bolt, a sealing mechanism is arranged in the valve body, and an adjusting mechanism is arranged at the top of the sealing mechanism. The machine cover is internally provided with a flow dividing mechanism for enabling follow-up components to uniformly flow by slowing down high-speed gas flow, the flow dividing mechanism comprises a mounting seat, a pressure relief hole is formed in the machine cover, and the mounting seat is connected into the pressure relief hole in a sliding mode. In the using process, the non-centered distribution of the vent holes reduces the gas flow rate, so that the adjusting mechanism and the sealing mechanism are protected, and the service life of the device is prolonged; the rotating wheel is rotated to drive the threaded rod to rotate, the inserting rod slides along the limiting groove, the distance between the base plate and the movable base is controlled to adjust the compression degree of the spring, the gas pressure needed for pushing the sealing ball is changed, the pressure relief threshold value can be flexibly adjusted according to the production requirement, and the gas pressure in the gas compressor is stable.

Description

TECHNICAL FIELD

[0001] The utility model belongs to exhaust valve technical field, especially, relate to a kind of self-adapting exhaust valve of gas compressor. BACKGROUND

[0002] Gas compressor is a kind of mechanical equipment that compresses gas to higher pressure, and is widely used in various industrial fields, such as petroleum chemical industry, natural gas transmission, refrigeration and air conditioning, automobile industry, aerospace, etc. The working principle of gas compressor is to increase the distance between gas molecules by inputting mechanical energy, thereby increasing the pressure and density of gas. Self-adapting exhaust valve is a key component widely used in various gas compressors, which can automatically adjust the exhaust volume according to the working state of the compressor to improve efficiency, reduce energy consumption and prolong equipment life.

[0003] The utility model discloses a kind of self-adapting exhaust structure and exhaust valve, including ball head, lock nut, baffle ring and steel ball, the ball head is connected with the mouthpiece on gas supply pipeline by lock nut. The ball head is provided with cavity and a plurality of exhaust chambers communicated with the cavity, wherein the lower end of the cavity is used to communicate with the mouthpiece, and the upper end is communicated with the exhaust chamber, and the exhaust chamber is arranged on the upper end of the ball head. The baffle ring is arranged at the lower end of the cavity, and has a passage passing through both ends and communicated with the cavity, and the circumferential outer surface of the baffle ring is fixed by the inner wall of the cavity. On the side of the baffle ring close to the plurality of exhaust chambers, the steel ball is arranged in the cavity and can move up and down along the inner wall of the cavity, and the steel ball opens or closes the cavity by cooperating with the top end of the cavity. When the steel ball moves to the limit position, it covers the passage of the baffle ring. The structure has the characteristics of reasonable design, stable structure, safety and reliability.

[0004] The above-mentioned patent has the following disadvantages: the high-speed gas gathered in the airway aperture will subject the subsequent components to a large force, reducing the service life of the device; once the gas pressure exceeds the weight of the ball, it will be discharged outward, and the pressure relief threshold cannot be flexibly adjusted according to production requirements, so the device has poor practicability. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a self-adapting exhaust valve of gas compressor to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] The utility model provides an adaptive exhaust valve of gas compressor, including the valve body, the valve body is fixedly connected on the gas compressor cover through bolt, be provided with sealing mechanism in the valve body, the top of sealing mechanism is provided with adjusting mechanism, the inside of cover is provided with the shunt mechanism of making subsequent component even inflow through slowing down high -speed gas flow, the shunt mechanism includes the mounting seat, the cover is opened with pressure relief hole, the mounting seat is slidably connected in the pressure relief hole, the flow resistance piece is fixedly connected in the mounting seat, at least two non -central gas holes are opened in the flow resistance piece.

[0008] Preferably, the sealing mechanism includes a moving seat, the valve body is provided with a cavity, the moving seat is slidably connected in the cavity, a steel ball is embedded in the bottom of the moving seat, and the top of the pressure relief hole is shaped to match the steel ball.

[0009] Preferably, a limiting groove is formed in the inside of the moving seat, a plug rod of the adjusting mechanism is slidably inserted into the limiting groove, and an exhaust port and a threaded hole are formed in the top of the cavity.

[0010] Preferably, the adjusting mechanism includes a plug rod, a pad is arranged on the top of the plug rod, a threaded rod is arranged on the pad, and a rotating wheel is arranged at the top end of the threaded rod.

[0011] Preferably, a spring is arranged between the moving seat and the pad.

[0012] Preferably, the pad is slidably connected with the inner wall of the cavity, and the threaded rod is connected with the threaded hole.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] In the utility model, the non-central distribution of the gas holes reduces the gas flow rate, so that the adjusting mechanism and the sealing mechanism are protected, and the service life of the device is improved.

[0015] In the utility model, the rotating wheel is rotated to drive the threaded rod to rotate, the plug rod slides along the limiting groove, the distance between the pad and the moving seat is adjusted, the compression degree of the spring is controlled, the gas pressure required for pushing the sealing ball is changed, the pressure relief threshold can be flexibly adjusted according to production requirements, and the gas pressure in the gas compressor is stable. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0017] Figure 1 This is a schematic diagram of the internal structure of the adaptive exhaust valve of a gas compressor according to the present invention;

[0018] Figure 2 This is a perspective view of an adaptive exhaust valve for a gas compressor according to the present invention.

[0019] Figure 3 This is a schematic diagram of the flow-diverting mechanism of the adaptive exhaust valve of a gas compressor according to the present invention;

[0020] Figure 4 This is a schematic diagram of the adjusting mechanism of the adaptive exhaust valve of a gas compressor according to the present invention.

[0021] In the attached diagram, the following are the reference numerals: 1. Valve body; 101. Chamber; 102. Exhaust port; 103. Threaded hole; 2. Sealing mechanism; 201. Moving seat; 202. Steel ball; 203. Spring; 204. Limit groove; 3. Adjusting mechanism; 301. Insert rod; 302. Pad; 303. Threaded rod; 304. Rotary wheel; 4. Diverting mechanism; 401. Mounting seat; 402. Flow baffle; 403. Vent hole; 5. Machine cover; 6. Pressure relief hole. Detailed Implementation

[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] The present invention will be further described below with reference to the accompanying drawings:

[0024] like Figures 1-4 As shown, an adaptive exhaust valve for a gas compressor includes a valve body 1, which is fixedly connected to the gas compressor cover 5 by bolts. A sealing mechanism 2 is provided inside the valve body 1, and an adjustment mechanism 3 is provided on the top of the sealing mechanism 2. A flow diversion mechanism 4 is provided inside the cover 5 to reduce the high-speed gas flow and make the subsequent components uniformly meet the flow.

[0025] In this embodiment: the shunt mechanism 4 includes a mounting seat 401, the cover 5 is provided with a pressure relief hole 6, the pressure relief hole 6 is slidably connected with the mounting seat 401, the mounting seat 401 is fixedly connected with a flow resistance sheet 402, and the flow resistance sheet 402 is provided with at least two non-central air holes 403, when the gas pressure in the compressor reaches a threshold value, high-speed airflow passes through the shunt mechanism 4, and the non-central distribution of the air holes 403 reduces the gas flow rate, so that the sealing mechanism 2 and the adjusting mechanism 3 are protected.

[0026] In this embodiment: the sealing mechanism 2 includes a moving seat 201, the valve body 1 is provided with a chamber 101, the chamber 101 is slidably connected with the moving seat 201, the bottom of the moving seat 201 is embedded with a steel ball 202, the top of the pressure relief hole 6 is matched with the steel ball 202 in shape, a limiting groove 204 is formed in the moving seat 201, the limiting groove 204 is slidably inserted with an insertion rod 301 of the adjusting mechanism 3, the top of the chamber 101 is provided with an exhaust port 102 and a threaded hole 103, the steel ball 202 tightly combined with the bottom of the pressure relief hole 6 is pushed away by airflow, the moving seat 201 moves along the chamber 101, and high-pressure gas is discharged along the exhaust port 102 at the top of the valve body 1.

[0027] In this embodiment: the adjusting mechanism 3 includes the insertion rod 301, the top of the insertion rod 301 is provided with a pad plate 302, the pad plate 302 is provided with a threaded rod 303, the top end of the threaded rod 303 is provided with a rotating wheel 304, the moving seat 201 and the pad plate 302 are provided with a spring 203, the pad plate 302 is slidably connected with the inner wall of the chamber 101, the threaded rod 303 is connected with the threaded hole 103 in a matched mode, when the compressor is used for production with high gas density, the rotating wheel 304 is rotated to drive the threaded rod 303 to rotate, the insertion rod 301 slides downward along the limiting groove 204, the distance between the pad plate 302 and the moving seat 201 is reduced, the compression degree of the spring 203 is increased, and the pressure required to push the steel ball 202, the device can flexibly adjust the pressure relief threshold according to production requirements, and the gas pressure in the gas compressor is stable.

[0028] The use process is as follows: when the gas pressure in the compressor reaches a threshold value, high-speed airflow passes through the shunt mechanism 4, the non-central distribution of the air holes 403 reduces the gas flow rate, so that the sealing mechanism 2 and the adjusting mechanism 3 are protected, the steel ball 202 tightly combined with the bottom of the pressure relief hole 6 is pushed away by airflow, the moving seat 201 moves along the chamber 101, high-pressure gas is discharged along the exhaust port 102 at the top of the valve body 1, when the compressor is used for production with high gas density, the rotating wheel 304 is rotated to drive the threaded rod 303 to rotate, the insertion rod 301 slides downward along the limiting groove 204, the distance between the pad plate 302 and the moving seat 201 is reduced, the compression degree of the spring 203 is increased, and the pressure required to push the steel ball 202, the device can flexibly adjust the pressure relief threshold according to production requirements, and the gas pressure in the gas compressor is stable.

[0029] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. An adaptive exhaust valve for a gas compressor comprising a valve body (1), characterized in that: The valve body (1) is fixedly connected on the gas compressor cover (5) by bolts, a sealing mechanism (2) is arranged in the valve body (1), an adjusting mechanism (3) is arranged on the top of the sealing mechanism (2), and a shunt mechanism (4) for making subsequent components uniformly flow by slowing down high-speed gas flow is arranged in the cover (5); The shunt mechanism (4) comprises a mounting seat (401), a pressure relief hole (6) is formed in the cover (5), the mounting seat (401) is slidably connected in the pressure relief hole (6), a flow resistance piece (402) is fixedly connected in the mounting seat (401), and at least two non-central air holes (403) are formed in the flow resistance piece (402).

2. An adaptive exhaust valve for a gas compressor as defined in claim 1, wherein: The sealing mechanism (2) comprises a moving seat (201), a cavity (101) is arranged in the valve body (1), the moving seat (201) is slidably connected in the cavity (101), a steel ball (202) is embedded at the bottom of the moving seat (201), and the top of the pressure relief hole (6) is matched with the steel ball (202).

3. An adaptive exhaust valve for a gas compressor as defined in claim 2, wherein: A limiting groove (204) is formed in the moving seat (201), a plug rod (301) of the adjusting mechanism (3) is slidably arranged in the limiting groove (204), an exhaust port (102) and a threaded hole (103) are formed at the top of the cavity (101).

4. An adaptive exhaust valve for a gas compressor as defined in claim 3, wherein: The adjusting mechanism (3) comprises a plug rod (301), a pad (302) is arranged at the top of the plug rod (301), a threaded rod (303) is arranged on the pad (302), and a rotating wheel (304) is arranged at the top end of the threaded rod (303).

5. An adaptive exhaust valve for a gas compressor as defined in claim 4, wherein: A spring (203) is arranged between the moving seat (201) and the pad (302).

6. An adaptive exhaust valve for a gas compressor as defined in claim 4, wherein: The pad (302) is slidably connected with the inner wall of the cavity (101), and the threaded rod (303) is connected with the threaded hole (103).

Images