Air valve structure of high-pressure air compressor

Abstract

The utility model discloses an air valve structure of a high-pressure air compressor. Comprising a second-level cylinder neck, a third-level cylinder neck, a first O-shaped ring, a second O-shaped ring, a third-level cylinder body, a third-level piston bush, a third O-shaped ring, a third-level air inlet cylinder head, a third-level air inlet and outlet valve seat, an air inlet, a third-level air outlet cylinder head, a third-level air outlet valve plate, a third-level air outlet spring, a fifth O-shaped ring, a third-level air outlet valve cover, an air outlet, a screw, a through hole, a reinforcing rib, a bolt and a nut. A bolt is connected to the outer wall of the second-third-stage air cylinder neck in a sleeving mode, the other end of the bolt is connected to the outer wall of one side of the third-stage air cylinder body in a sleeving mode, a nut is arranged on the outer wall of one side of the third-stage air cylinder body, and the nut is connected to the bolt in a threaded mode. According to the utility model, a multi-stage air valve structure is designed, the bearing pressure of the valve plate is reduced and the failure rate of the air valve is reduced through the cooperative work of the multi-stage air valves, and the exhaust temperature and noise can be reduced through the adjustment of the two-stage air cylinder neck and the three-stage air cylinder neck on intake and exhaust air flows.

Description

Technical Field

[0001] The utility model relates to the technical field of air compressors, in particular to a gas valve structure of a high-pressure air compressor. Background Art

[0002] An air compressor is a device used to compress gas, converting the mechanical energy of the prime mover into gas pressure energy, and the air compressor valve is an important component used to control the timely intake and discharge of gas. The existing air compressor valve has the following defects: first, the failure rate of the existing air compressor valve is high, and the valve plate is easy to break, which increases the maintenance cost of the air compressor; second, the exhaust temperature of the existing air compressor valve is high, and the noise generated by the gas passing through the valve when the air compressor is running is relatively large. Utility Model Content

[0003] The purpose of the utility model is to provide a high-pressure air compressor valve structure to solve the problems raised in the above background technology.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a high-pressure air compressor valve structure, including two-stage and three-stage cylinder necks, a three-stage cylinder body is arranged at the top of the two-stage and three-stage cylinder necks, a three-stage cylinder body is sleeved in the three-stage cylinder body, a three-stage piston sleeve is arranged at the top of the three-stage piston sleeve, a three-stage intake valve plate is arranged at the top of the three-stage piston sleeve, a three-stage intake and exhaust valve seat is arranged at the top of the three-stage intake valve plate, a three-stage intake cylinder head is fixedly connected to the outer wall of one side of the three-stage cylinder body, a three-stage exhaust cylinder head is fixedly connected to the outer wall of one side of the three-stage intake cylinder head, a three-stage exhaust valve plate is sleeved in the three-stage exhaust cylinder head, a three-stage exhaust valve plate is arranged at the top of the three-stage exhaust valve plate, a three-stage exhaust spring is arranged at the top of the three-stage exhaust spring, and a three-stage exhaust valve cover is fixedly connected to the outer wall of one side of the three-stage exhaust cylinder head.

[0005] Preferably, a first O-ring is sleeved on the outer wall of the second and third stage cylinder necks, a second O-ring is sleeved on one side outer wall of the third stage cylinder body, a third O-ring is sleeved on one side outer wall of the third stage piston bushing, a fourth O-ring is sleeved on one side outer wall of the third stage intake and exhaust valve seats, and a fifth O-ring is sleeved on one side outer wall of the third stage exhaust valve cover.

[0006] Preferably, an air inlet is provided on one side outer wall of the three-stage air intake cylinder head.

[0007] Preferably, an exhaust port is provided on one side outer wall of the three-stage exhaust cylinder head.

[0008] Preferably, a bolt is sleeved on the outer wall of the second and third stage cylinder necks, and the other end of the bolt is sleeved on one side outer wall of the third stage cylinder body, a nut is provided on one side outer wall of the third stage cylinder body, and the nut is threadedly connected to the bolt.

[0009] Preferably, a through hole is opened on one side outer wall of the three-stage exhaust valve cover, a screw is arranged in the through hole, and the screw is threadedly connected to one side outer wall of the three-stage exhaust cylinder head.

[0010] Preferably, a reinforcing rib is fixedly connected to the outer wall of one side of the second and third stage cylinder necks.

[0011] Compared with the prior art, the beneficial effects achieved by the utility model are as follows: the utility model is designed with a multi-stage air valve structure, and through the cooperation of the multi-stage air valves, the pressure on the valve plate is reduced, the failure rate of the air valve is reduced, and the exhaust temperature and noise can be reduced by adjusting the intake and exhaust airflows through the second and third stage cylinder necks. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the overall three-dimensional structure of the utility model from another viewing angle;

[0015] Figure 3 It is a schematic diagram of the overall front view cutaway structure of the utility model;

[0016] Figure 4 It is a structural explosion diagram of the utility model.

[0017] In the figure: 1. Second and third-stage cylinder neck; 2. First O-ring; 3. Second O-ring; 4. Third-stage cylinder body; 5. Third-stage piston bushing; 6. Third O-ring; 7. Third-stage intake cylinder head; 8. Third-stage intake and exhaust valve seats; 9. Fourth O-ring; 10. Third-stage intake valve plate; 11. Intake port; 12. Third-stage exhaust cylinder head; 13. Third-stage exhaust valve plate; 14. Third-stage exhaust spring; 15. Fifth O-ring; 16. Third-stage exhaust valve cover; 17. Exhaust port; 18. Screw; 19. Through hole; 20. Reinforcement rib; 21. Bolt; 22. Nut. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4 The utility model provides an embodiment: a high-pressure air compressor valve structure, including a second-stage and third-stage cylinder neck 1, a third-stage cylinder body 4 is arranged at the top of the second-stage and third-stage cylinder neck 1, a third-stage piston bushing 5 is sleeved in the third-stage cylinder body 4, a third-stage intake valve plate 10 is arranged at the top of the third-stage piston bushing 5, a third-stage intake and exhaust valve seat 8 is arranged at the top of the third-stage intake valve plate 10, a third-stage intake and exhaust valve seat 8 is arranged at the top of the third-stage intake valve plate 10, a third-stage intake cylinder head 7 is fixedly connected to the outer wall of one side of the third-stage cylinder body 4, a third-stage exhaust cylinder head 12 is fixedly connected to the outer wall of one side of the third-stage intake cylinder head 7, and the third-stage exhaust cylinder head 12 A three-stage exhaust valve plate 13 is sleeved inside, a three-stage exhaust spring 14 is arranged at the top of the three-stage exhaust valve plate 13, a three-stage exhaust valve cover 16 is arranged at the top of the three-stage exhaust spring 14, and the three-stage exhaust valve cover 16 is fixedly connected to one side outer wall of the three-stage exhaust cylinder head 12; a first O-ring 2 is sleeved on the outer wall of the second and third-stage cylinder neck 1, a second O-ring 3 is sleeved on one side outer wall of the three-stage cylinder body 4, a third O-ring 6 is sleeved on one side outer wall of the three-stage piston bushing 5, a fourth O-ring 9 is sleeved on one side outer wall of the three-stage intake and exhaust valve seat 8, and a third O-ring 10 is sleeved on one side outer wall of the three-stage intake and exhaust valve seat 8. A fifth O-ring 15 is sleeved on the outer wall of one side of the exhaust valve cover 16, and the first O-ring 2, the second O-ring 3, the third O-ring 6, the fourth O-ring 9 and the fifth O-ring 15 are used for sealing; an air inlet 11 is provided on the outer wall of one side of the three-stage intake cylinder head 7, and the air inlet 11 is used for intake; an exhaust port 17 is provided on the outer wall of one side of the three-stage exhaust cylinder head 12, and the exhaust port 17 is used for exhaust; a bolt 21 is sleeved on the outer wall of the second and third stage cylinder neck 1, and the other end of the bolt 21 is sleeved on the outer wall of one side of the three-stage cylinder body 4, and the three-stage cylinder body 4 A nut 22 is provided on one side outer wall, and the nut 22 is threadedly connected to the bolt 21, and the bolt 21 and the nut 22 are used to fix the connection between the second and third stage cylinder neck 1 and the third stage cylinder body 4; a through hole 19 is opened on one side outer wall of the third stage exhaust valve cover 16, a screw 18 is provided in the through hole 19, and the screw 18 is threadedly connected to one side outer wall of the third stage exhaust cylinder head 12, and the screw 18 is used to fix the third stage exhaust valve cover 16; a reinforcing rib 20 is fixedly connected to one side outer wall of the second and third stage cylinder neck 1, and the reinforcing rib 20 is used to strengthen the structural strength of the second and third stage cylinder neck 1.

[0020] Working principle: When assembling and using the new type of use, first connect the second and third-stage cylinder necks 1 to the third-stage cylinder body 4 through bolts 21 and nuts 22, insert the third-stage piston bushing 5 into the third-stage cylinder body 4, install the third-stage intake valve plate 10 on the third-stage piston bushing 5, insert the third-stage intake and exhaust valve seat 8 into the third-stage intake cylinder head 7, install the third-stage intake cylinder head 7 on the third-stage cylinder body 4, install the third-stage exhaust valve plate 13 on the third-stage intake and exhaust valve seat 8, install the third-stage exhaust spring 14 and the third-stage exhaust cylinder head 12 on the third-stage intake and exhaust valve seat 8, press the third-stage exhaust spring 14 through the third-stage exhaust valve cover 16, and fix it through the screw 18 in the through hole 19, wherein the first O-ring 2, the second O-ring 3, the third O-ring 6, the fourth O-ring 9 and the fifth O-ring 15 are used for sealing, the intake port 11 is used for intake, the exhaust port 17 is used for exhaust, and the reinforcing rib 20 is used to enhance the structural strength.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0023] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A high-pressure air compressor valve structure, comprising a second-stage and third-stage cylinder neck (1), characterized in that: A three-stage cylinder body (4) is arranged at the top of the two-stage three-stage cylinder neck (1), a three-stage piston bushing (5) is sleeved in the three-stage cylinder body (4), a three-stage intake valve plate (10) is arranged at the top of the three-stage piston bushing (5), a three-stage intake and exhaust valve seat (8) is arranged at the top of the three-stage intake valve plate (10), a three-stage intake cylinder head (7) is fixedly connected to the outer wall of one side of the three-stage cylinder body (4), a three-stage exhaust cylinder head (12) is fixedly connected to the outer wall of one side of the three-stage intake cylinder head (7), a three-stage exhaust valve plate (13) is sleeved in the three-stage exhaust cylinder head (12), a three-stage exhaust spring (14) is arranged at the top of the three-stage exhaust valve plate (13), a three-stage exhaust valve cover (16) is arranged at the top of the three-stage exhaust spring (14), and the three-stage exhaust valve cover (16) is fixedly connected to the outer wall of one side of the three-stage exhaust cylinder head (12).

2. The high-pressure air compressor valve structure according to claim 1, characterized in that: A first O-ring (2) is sleeved on the outer wall of the second and third stage cylinder neck (1), a second O-ring (3) is sleeved on one side outer wall of the third stage cylinder body (4), a third O-ring (6) is sleeved on one side outer wall of the third stage piston bushing (5), a fourth O-ring (9) is sleeved on one side outer wall of the third stage intake and exhaust valve seat (8), and a fifth O-ring (15) is sleeved on one side outer wall of the third stage exhaust valve cover (16).

3. The high-pressure air compressor valve structure according to claim 1, characterized in that: An air inlet (11) is provided on one side outer wall of the three-stage air inlet cylinder head (7).

4. The high-pressure air compressor valve structure according to claim 1, characterized in that: An exhaust port (17) is provided on one side outer wall of the three-stage exhaust cylinder head (12).

5. The high-pressure air compressor valve structure according to claim 2, characterized in that: A bolt (21) is sleeved on the outer wall of the secondary and tertiary cylinder neck (1), and the other end of the bolt (21) is sleeved on the outer wall of one side of the tertiary cylinder body (4). A nut (22) is provided on the outer wall of one side of the tertiary cylinder body (4), and the nut (22) is threadedly connected to the bolt (21).

6. The high-pressure air compressor valve structure according to claim 2, characterized in that: A through hole (19) is provided on one side outer wall of the three-stage exhaust valve cover (16), a screw (18) is arranged in the through hole (19), and the screw (18) is threadedly connected to one side outer wall of the three-stage exhaust cylinder head (12).

7. The high-pressure air compressor valve structure according to claim 2, characterized in that: A reinforcing rib (20) is fixedly connected to one side outer wall of the second and third stage cylinder neck (1).

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