Combined gas valve for a compressor

Abstract

The utility model relates to the field of compressor discloses a combined air valve for compressor, including the valve cover, the inner wall bottom of valve cover is fixedly connected with a plurality of card box, the inner wall of card box is equipped with the card piece, the inner wall of card piece is provided with the card position subassembly, the valve seat is limited through card position subassembly by card piece, the bottom of valve seat is equipped in the inside of valve cover, the inner wall bottom of valve cover is connected with the bolt of screw thread, the outer wall of bolt is connected with the jiaoheli body of sliding, the jiaoheli body inner wall top is connected with the link column of sliding, the top of link column is fixedly connected with the fender ring, the inner wall of fender ring is fixedly connected with the top rod, in the utility model, after the valve cover is clamped into the valve seat through the card position subassembly, rotates and carries out the quick assembly, thereby realizes the stable connection of valve cover and valve seat, has simplified the traditional complicated assembly process, thereby has promoted the overall assembly efficiency, has promoted the connection reliability.

Description

Technical Field

[0001] This utility model relates to the field of compressors, and in particular to a combined air valve for compressors. Background Technology

[0002] The valve is the core component of the compressor, and its performance directly determines the compressor's efficiency, reliability and lifespan. Most of the compressor valves currently in use adopt the traditional split structure, that is, the valve plate, valve disc, spring, lift limiter and other parts are all independent, and they need to be assembled one by one on the compressor cylinder during installation.

[0003] However, this split-type valve structure still has some problems in practical use. For example, due to the large number of its components, the assembly process is particularly cumbersome and complex. In actual production, it requires skilled workers to perform precise operations, including precise alignment of each component and gradual tightening, among other processes. These steps are not only time-consuming but also require a high level of skill from the workers, resulting in relatively low overall production efficiency and making it difficult to meet the needs of large-scale rapid production. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a combined valve for compressors. After the valve cover is snapped into the valve seat by a locking assembly, it can be quickly assembled by rotation, thereby achieving a stable connection between the valve cover and the valve seat and simplifying the traditional cumbersome assembly process.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a combined air valve for a compressor, comprising a valve cover, a plurality of card boxes fixedly connected to the bottom of the inner wall of the valve cover, card boxes having card holders on their inner walls, card holders having positioning components on their inner walls, card holders limiting the valve seat through positioning components, the bottom of the valve seat being secured inside the valve cover, a bolt threadedly connected to the bottom of the inner wall of the valve cover, a load-bearing body slidably connected to the outer wall of the bolt, a connecting post slidably connected to the top of the inner wall of the load-bearing body, a retaining ring fixedly connected to the top of the connecting post, and a base rod fixedly connected to the inner wall of the retaining ring.

[0006] Furthermore, the locking assembly includes a circular tube fixedly connected to the inner wall of the locking member, a top spring fixedly connected to the inner wall of the circular tube, a ring fixedly connected to the bottom end of the top spring, a top rod fixedly connected to the bottom end of the ring, and the bottom end of the top rod being locked onto the bottom end of the inner wall of the valve cover.

[0007] Furthermore, the outer wall of the ring is slidably connected to the inside of the circular tube, and the bottom end of the outer wall of the valve cover is provided with several top grooves, the size of which is adapted to the top rod.

[0008] Furthermore, the inner wall of the card box is provided with a card slot, the size of which is adapted to the card, and a connector is fixedly connected to the top of the card, the top of which is fixedly connected to the bottom of the valve seat.

[0009] Furthermore, a plurality of connecting boxes are fixedly connected to the top of the valve cover, an inner tube is fixedly connected to the bottom of the inner wall of the connecting box, a compression spring is fixedly connected to the inner wall of the inner tube, a connecting plate is fixedly connected to the top of the compression spring, and the bottom of the outer wall of the connecting plate is slidably connected to the inside of the connecting box.

[0010] Furthermore, a PEEK valve plate is fixedly connected to the outer wall of the connecting plate, and a number of spring plates are fixedly connected to the bottom end of the PEEK valve plate. The bottom end of the spring plates is fixedly connected to the inside of the valve cover. A bolt is clamped on the inner wall of the PEEK valve plate, and the bottom end of the bolt is threaded to the bottom end of the inner wall of the valve cover.

[0011] Furthermore, the bottom end of the load-bearing device body is used to compress the load-bearing device body.

[0012] Furthermore, a load-bearing spring is fixedly connected to the top of the bolt, and the top of the load-bearing spring is fixedly connected to the bottom end of the base rod.

[0013] This utility model has the following beneficial effects: In this invention, the valve cover is snapped into the valve seat by the locking assembly, and then rotated for quick assembly, thereby achieving a stable connection between the valve cover and the valve seat. This simplifies the traditional cumbersome assembly process, thereby improving the overall assembly efficiency and connection reliability.

[0014] In this invention, when the gas impacts the load-bearing device body and compresses the PEEK valve plate, the sliding of the PEEK valve plate drives the connecting plate on the outer wall to move synchronously, allowing it to slide in the connecting box and compress the pressure spring. After the gas passes through, the PEEK valve plate is reset, and the sliding position of the PEEK valve plate is positioned, preventing the PEEK valve plate from shifting or getting stuck during high-frequency opening and closing, thus effectively improving the working stability of the gas valve. Attached Figure Description

[0015] Figure 1 This is a perspective view of a combined air valve for a compressor according to the present invention. Figure 2 This is a cross-sectional view of the valve cover of a combined air valve for a compressor proposed in this utility model; Figure 3 This is a schematic diagram of the push rod of a combined air valve for a compressor according to the present invention. Figure 4 A cross-sectional view of the clamping component of a combined air valve for a compressor proposed in this utility model; Figure 5 This is a cross-sectional view of the load-bearing device body of a combined air valve for a compressor proposed in this utility model; Figure 6 for Figure 4 Enlarged view of point A in the image.

[0016] Legend: 1. Valve cover; 2. Valve seat; 3. Load loader body; 4. Retaining ring; 5. Base rod; 6. PEEK valve plate; 7. Spring plate; 8. Connecting box; 9. Connecting piece; 10. Clip; 11. Clip box; 12. Clip groove; 13. Top groove; 14. Top rod; 15. Ring; 16. Round tube; 17. Top spring; 18. Bolt; 19. Load loader spring; 20. Connecting plate; 21. Connecting column; 22. Compression spring; 23. Inner tube. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Reference Figure 1 - Figure 4This utility model provides an embodiment of a combined air valve for a compressor, comprising a valve cover 1. A plurality of retaining boxes 11 are fixedly connected to the bottom of the inner wall of the valve cover 1. A retaining element 10 is fitted onto the inner wall of each retaining box 11. A positioning assembly is provided on the inner wall of each retaining element 10. The retaining element 10 limits the valve seat 2 via the positioning assembly. The positioning assembly includes a circular tube 16 fixedly connected to the inner wall of the retaining element 10. A top spring 17 is fixedly connected to the inner wall of the circular tube 16. A circular ring 15 is fixedly connected to the bottom end of the top spring 17. A top rod 14 is fixedly connected to the bottom end of the circular ring 15. The bottom end of the top rod 14 is engaged with the bottom of the inner wall of the valve cover 1. The outer wall of the circular ring 15 is slidably connected to the inside of the circular tube 16. A plurality of top grooves 13 are formed at the bottom of the outer wall of the valve cover 1. The size of the top grooves 13 is adapted to the size of the top rod 14. A retaining groove 12 is fitted onto the inner wall of each retaining box 11. The size of the retaining groove 12 is adapted to the size of the retaining element 10. The top of the clamp 10 is fixedly connected to the connector 9, the top of the connector 9 is fixedly connected to the bottom of the valve seat 2, the bottom of the valve seat 2 is clamped inside the valve cover 1, the bottom of the inner wall of the valve cover 1 is threadedly connected to the bolt 18, the outer wall of the bolt 18 is slidably connected to the load holder body 3, the function of the load holder body 3 is to effectively balance the gas pressure borne by the gas valve during the operation of the compressor, avoid the impact damage to the gas valve caused by excessive pressure fluctuation, thereby extending the service life of the gas valve. At the same time, it can automatically adjust its own position according to the changes in gas flow and pressure, ensuring that the gas valve can maintain a stable opening and closing state under different working conditions, improving the working efficiency and operating stability of the compressor. The top of the inner wall of the load holder body 3 is slidably connected to the connector 21, the top of the connector 21 is fixedly connected to the retaining ring 4, and the inner wall of the retaining ring 4 is fixedly connected to the bottom rod 5.

[0019] Specifically, remove the valve cover 1 and valve seat 2. After removing these two components, insert the valve seat 2 into the valve cover 1. During this process, ensure that the bottom of the load cell body 3 abuts against the PEEK valve plate 6. Simultaneously, ensure that the retaining clip 10 connected to the bottom of the valve seat 2 via the connector 9 touches the bottom of the valve cover 1. When the retaining clip 10 touches the bottom of the valve cover 1, the push rod 14 at the bottom of the retaining clip 10 will be compressed. After being compressed, the push rod 14 will move towards the circular tube 16 inside the retaining clip 10. Since the push rod 14 is connected to the ring 15, the movement of the push rod 14 will cause the ring 15 to compress the top spring 17. While the top spring 17 is compressed, the push rod 14 will also retract into the retaining clip 10. After completing the above steps, Hold the valve seat 2 by hand and rotate it to the left so that the locking piece 10 can be inserted into the locking slot 12 on the locking box 11 inside the valve cover 1. Continue rotating until it is fully engaged in the locking box 11, and the push rod 14 is aligned with the top groove 13 at the bottom of the valve cover 1. When the push rod 14 is aligned with the top groove 13, the previously compressed top spring 17 will rebound, causing the push rod 14 to emerge from the top groove 13. Finally, rotate the valve seat 2 again to make sure that the valve seat 2 can no longer wobble. This indicates that the limiting operation of the valve seat 2 has been completed, and the assembly of the air valve is now complete. Next, the assembled air valve needs to be installed into the compressor.

[0020] Reference Figure 5 and Figure 6 A number of connecting boxes 8 are fixedly connected to the top of the valve cover 1. An inner tube 23 is fixedly connected to the bottom of the inner wall of the connecting box 8. A compression spring 22 is fixedly connected to the inner wall of the inner tube 23. A connecting plate 20 is fixedly connected to the top of the compression spring 22. The bottom of the outer wall of the connecting plate 20 is slidably connected to the inside of the connecting box 8. A PEEK valve plate 6 is fixedly connected to the outer wall of the connecting plate 20. The PEEK valve plate 6 is precision injection molded from polyetheretherketone material. Its surface is treated with a special process, giving it excellent wear resistance and high temperature resistance. The edge of the PEEK valve plate 6 is designed to be round, which can effectively reduce the resistance during gas flow and enhance the PEEK valve plate. The sealing between the PEEK valve plate 6 and the valve seat 2 has a low coefficient of friction, which can significantly reduce the noise and energy loss during valve operation. Several spring plates 7 are fixedly connected to the bottom end of the PEEK valve plate 6. The top end of the outer wall of the PEEK valve plate 6 is attached to the bottom end of the outer wall of the valve seat 2. The bottom end of the spring plate 7 is fixedly connected to the inside of the valve cover 1. A bolt 18 is clamped on the inner wall of the PEEK valve plate 6. A load spring 19 is fixedly connected to the top end of the bolt 18. The top end of the load spring 19 is fixedly connected to the bottom end of the bottom rod 5. The bottom end of the bolt 18 is threadedly connected to the bottom end of the inner wall of the valve cover 1. The bottom end of the load body 3 is used to compress the load body 3.

[0021] Specifically, after the compressor starts, gas enters the valve under the influence of the pressure difference. The pressure generated by the gas exerts a downward force on the PEEK valve plate 6, causing it to move downwards. This movement of the PEEK valve plate 6 then causes the connecting plate 20 to slide within the connecting box 8. During this sliding process, the pressure spring 22 and the spring plate 7 are compressed, causing them to undergo elastic deformation. This elastic deformation effectively prevents the PEEK valve plate 6 from moving randomly within the valve due to the spring force. Furthermore, ensuring that the PEEK valve plate 6 and valve seat 2 separate from their original close-fitting state allows gas to pass smoothly through the valve. When the compressor enters the exhaust stage, the gas pressure inside the cylinder will continuously increase. This high-pressure gas will act in the opposite direction on the PEEK valve plate 6. At the same time, the compression spring 22 and spring plate 7, which have been compressed and deformed, will push the PEEK valve plate 6 to rebound under their own elastic restoring force until the PEEK valve plate 6 is tightly fitted back to the valve seat 2, thereby closing the valve passage and preventing gas backflow.

[0022] Working principle: First, remove the valve cover 1 and valve seat 2, then close them, inserting the valve seat 2 into the valve cover 1. Simultaneously, the bottom of the load cell body 3 abuts against the PEEK valve plate 6, causing the locking piece 10 connected to the bottom of the valve seat 2 via the connector 9 to touch the bottom of the valve cover 1. This compresses the push rod 14 at the bottom of the locking piece 10, causing it to move towards the inner tube 16 of the locking piece 10. The ring 15 connected to the push rod 14 compresses the top spring 17, compressing the top spring 17 and causing the push rod 14 to retract into the locking piece 10. Then, grasp the valve seat 2 and rotate it counterclockwise, causing the locking piece 10 to insert into the slot 12 on the locking box 11 inside the valve cover 1. Continue rotating until the locking piece 10 is fully engaged in the locking box 11, aligning the push rod 14 precisely with the top groove 13 at the bottom of the valve cover 1. This causes the top spring 17 to spring back, pushing the push rod 14 out of the top groove 13. Finally, rotate to the desired position. Once valve seat 2 can no longer move, it completes its limiting position, thus assembling the air valve. It is then installed in the compressor. When the compressor starts, gas enters the air valve under pressure difference. The gas pressure pushes the PEEK valve plate 6 downwards. The movement of the PEEK valve plate 6 causes the connecting plate 20 to slide within the connecting box 8, squeezing the compression spring 22 and the spring plate 7. This causes the compression spring 22 and the spring plate 7 to undergo elastic deformation, preventing the PEEK valve plate 6 from moving erratically within the air valve due to spring force. This separates the PEEK valve plate 6 from the valve seat 2, allowing gas to pass through the air valve. When the compressor enters the exhaust stage, the gas pressure inside the cylinder increases, and the gas acts in the opposite direction on the PEEK valve plate 6. Simultaneously, the compression spring 22 and the spring plate 7, under their own elastic restoring force, push the PEEK valve plate 6 back until it re-fits tightly against the valve seat 2, closing the air valve passage and preventing gas backflow.

[0023] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A combined valve for a compressor, comprising a valve cover (1), characterized in that: The bottom of the inner wall of the valve cover (1) is fixedly connected to several card boxes (11). The inner wall of the card box (11) is fitted with a card piece (10). The inner wall of the card piece (10) is provided with a positioning component. The card piece (10) limits the valve seat (2) through the positioning component. The bottom of the valve seat (2) is fitted inside the valve cover (1). The bottom of the inner wall of the valve cover (1) is threaded with a bolt (18). The outer wall of the bolt (18) is slidably connected to a load-bearing body (3). The top of the inner wall of the load-bearing body (3) is slidably connected to a connecting column (21). The top of the connecting column (21) is fixedly connected to a retaining ring (4). The inner wall of the retaining ring (4) is fixedly connected to a bottom rod (5).

2. A combined air valve for a compressor according to claim 1, characterized in that: The locking assembly includes a round tube (16) fixedly connected to the inner wall of the locking piece (10). A top spring (17) is fixedly connected to the inner wall of the round tube (16). A ring (15) is fixedly connected to the bottom end of the top spring (17). A top rod (14) is fixedly connected to the bottom end of the ring (15). The bottom end of the top rod (14) is locked at the bottom end of the inner wall of the valve cover (1).

3. A combined air valve for a compressor according to claim 2, characterized in that: The outer wall of the ring (15) is slidably connected to the inside of the round tube (16), and the bottom of the outer wall of the valve cover (1) is provided with several top grooves (13), the size of which is adapted to the top rod (14).

4. A combined air valve for a compressor according to claim 2, characterized in that: The inner wall of the card box (11) is provided with a card slot (12), the size of the card slot (12) is adapted to the card (10), and the top of the card (10) is fixedly connected to a connector (9), the top of the connector (9) is fixedly connected to the bottom of the valve seat (2).

5. A combined air valve for a compressor according to claim 1, characterized in that: The valve cover (1) is fixedly connected to a number of connecting boxes (8), the bottom of the inner wall of the connecting box (8) is fixedly connected to an inner tube (23), the inner wall of the inner tube (23) is fixedly connected to a compression spring (22), the top of the compression spring (22) is fixedly connected to a connecting plate (20), and the bottom of the outer wall of the connecting plate (20) is slidably connected to the inside of the connecting box (8).

6. A combined air valve for a compressor according to claim 5, characterized in that: The outer wall of the connecting plate (20) is fixedly connected to a PEEK valve plate (6), and the bottom end of the PEEK valve plate (6) is fixedly connected to a number of spring plates (7). The bottom end of the spring plates (7) is fixedly connected to the inside of the valve cover (1). The inner wall of the PEEK valve plate (6) is fitted with a bolt (18), and the bottom end of the bolt (18) is threadedly connected to the bottom end of the inner wall of the valve cover (1).

7. A combined air valve for a compressor according to claim 6, characterized in that: The bottom end of the load-bearing device body (3) is used to compress the load-bearing device body (3).

8. A combined air valve for a compressor according to claim 6, characterized in that: The top end of the bolt (18) is fixedly connected to a load spring (19), and the top end of the load spring (19) is fixedly connected to the bottom end of the base rod (5).

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