Air valve sealing structure of compressor
By separating the intake and exhaust valves from the pipeline, the problem of high maintenance difficulty of existing compressors is solved, enabling convenient maintenance and improving sealing reliability.
Patent Information
- Application Number
- CN202520223873.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-02-12
AI Technical Summary
The existing compressor intake and exhaust valve installation structure makes maintenance difficult, and frequent disassembly affects sealing reliability.
The intake and exhaust valves and pipelines are installed in two separate parts, which are fixed between the cylinder and cylinder head with bolts, so that the intake and exhaust valves can be disassembled and maintained independently, avoiding the need to disassemble the pipelines.
It reduces maintenance difficulty, decreases downtime for maintenance, and improves sealing reliability.
Smart Images

Figure CN223895186U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of compressor valve sealing technology, and in particular to a compressor valve sealing structure. Background Technology
[0002] A compressor is a driven fluid machine that elevates low-pressure gas to high-pressure gas. Liquid-driven compressors, as an innovative technology in gas compression, rely on a liquid medium to drive the compression process. Their unique working principle involves injecting liquid into a specific chamber of the compressor; the movement of the liquid drives a piston in reciprocating motion, thereby efficiently compressing the gas and allowing it to flow out of the system.
[0003] Currently, the installation of intake and exhaust valves in most compressors on the market falls into two categories: one is embedded inside the cylinder head, with a connecting pipe installed outside the cylinder head; the other is installed on the exhaust pipe. Both of these structures require disassembling the piping when replacing seals, which greatly increases the difficulty of maintenance. On the other hand, frequent disassembly can also affect the sealing reliability of the CT thread. Utility Model Content
[0004] To address the aforementioned issues, this invention provides a compressor valve sealing structure that separates the installation of the intake and exhaust valve cores from the pipeline installation into two independent parts. This eliminates the need to disassemble the pipeline when replacing the valve seals, significantly reducing maintenance difficulty and downtime.
[0005] This utility model provides a compressor valve sealing structure, the specific technical solution of which is as follows:
[0006] Including intake and exhaust valves, cylinders, and cylinder heads;
[0007] The intake and exhaust valves are symmetrically arranged on both sides of the cylinder's central axis; the cylinder head is fitted onto the cylinder and fixed between the cylinder head and the intake and exhaust valves by bolts.
[0008] The intake and exhaust valve includes a valve cover, a valve seat, a valve seal, and an exhaust valve cover;
[0009] One end of the valve cover is embedded in the valve seat on the side away from the cylinder, the valve seal is partially embedded and connected to the side of the valve seat that is connected to the cylinder, the exhaust valve cover is placed in the middle of the valve seat, and the two ends of the exhaust valve cover are respectively connected to the valve cover and the valve seal.
[0010] The valve seat is provided with a pipe mounting hole, which communicates with the exhaust valve cover.
[0011] Furthermore, the air valve seal includes an exhaust valve core and an exhaust connector. The exhaust connector is partially embedded in the valve seat, and the exhaust valve core is placed in the exhaust connector. A spring is sleeved at the junction of the exhaust valve cover and the exhaust valve core. One end of the spring is connected to the exhaust valve cover, and the other end is connected to the exhaust valve core.
[0012] Furthermore, an O-ring and a retaining ring are fitted at the end of the exhaust valve cover that connects to the valve cover.
[0013] Furthermore, the retaining ring fitted onto the exhaust valve cover is positioned at one end near the valve cover.
[0014] Furthermore, the portion of the exhaust connector embedded in the valve seat is fitted with an O-ring and a retaining ring.
[0015] Furthermore, the retaining ring fitted onto the exhaust connector is positioned on the side near the tail end of the exhaust connector.
[0016] Furthermore, an O-ring is embedded at the end interface of the exhaust connector that extends out of the valve seat.
[0017] Furthermore, the valve seat is provided with a plurality of screws surrounding the valve cover, the screws passing through the valve seat and fixed to the cylinder.
[0018] Furthermore, the screw is fixed to the valve seat with an anti-loosening washer.
[0019] Furthermore, the valve cover is provided with a through hole, and the exhaust valve cover is provided with a threaded hole, which is aligned and communicates with the through hole.
[0020] The beneficial effects of this utility model are as follows:
[0021] This utility model integrates the air valve and pipeline interface into the air intake and exhaust valve, so that the two can cooperate with each other in function and be independent of each other in structure. When maintaining the air valve, only the valve cover needs to be removed and the parts that need to be repaired or replaced can be taken out. There is no need to disassemble the pipeline, which reduces the difficulty of maintenance and reduces downtime maintenance time. Attached Figure Description
[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0023] Figure 2 This is a schematic diagram of the oblique cross-section of the structure of this utility model.
[0024] Figure 3 This is a schematic diagram of the intake and exhaust valve structure of this utility model.
[0025] Figure 4 This is a schematic diagram of the top structure of the valve cover of this utility model.
[0026] Explanation of reference numerals in the attached drawings: 1-valve cover, 2-exhaust connector, 3-exhaust valve core, 4-valve seat, 5-O-ring, 6-retaining ring, 7-screw, 8-threaded hole, 9-anti-loosening washer, 10-pipe mounting hole, 11-cylinder head, 12-intake and exhaust valves, 13-cylinder, 14-valve seal, 15-spring, 16-exhaust valve cover. Detailed Implementation
[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present utility model, and not all of them. The components of the embodiments of the present utility model described and shown in the accompanying drawings can be arranged and designed in various different configurations. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.
[0028] In the description of the embodiments of this utility model, it should be noted that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use, or the orientation or positional relationship commonly understood by those skilled in the art, or the orientation or positional relationship commonly used when the utility model product is in use. These are only for the convenience of describing the utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the utility model. Furthermore, the terms "first" and "second" are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0029] In the description of the embodiments of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set" and "connection" 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 direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0030] Example 1
[0031] Embodiment 1 of this utility model discloses a compressor valve sealing structure, such as... Figure 1 and Figure 2 As shown, the specific structure is as follows:
[0032] Includes intake and exhaust valves 12, cylinder 13, and cylinder head 11;
[0033] The intake and exhaust valves 12 are symmetrically arranged on both sides of the central axis of the cylinder 13; the cylinder head 11 is sleeved on the cylinder 13 and fixed between the head of the cylinder 13 and the intake and exhaust valves 12 by bolts.
[0034] like Figure 3 As shown, the intake and exhaust valve 12 includes a valve cover 1, a valve seat 4, a valve seal 14, and an exhaust valve cover 16;
[0035] One end of the valve cover 1 is embedded in the valve seat 4 on the side away from the cylinder 13. The contact surface between the valve cover 1 and the valve seat 4 is provided with a matching thread, and the valve cover 1 is placed into the valve seat 4 through the thread.
[0036] The valve seal 14 is partially embedded and connected to the side of the valve seat 4 that is connected to the cylinder 13; the exhaust valve cover 16 is placed in the middle of the valve seat 4, and the two ends of the exhaust valve cover 16 are respectively connected to the valve cover 1 and the valve seal 14.
[0037] In a preferred embodiment, the valve seal 14 includes an exhaust valve core 3 and an exhaust connector 2;
[0038] Specifically, the exhaust connector 2 has a T-shaped cross-section structure with an internal cavity. The T-shaped transverse portion of the exhaust connector 2 is embedded in the valve seat 4, and the exhaust valve core 3 is placed in the cavity of the exhaust connector 2.
[0039] A spring 15 is fitted at the junction of the exhaust valve cover 16 and the exhaust valve core 3. One end of the spring 15 is connected to the exhaust valve cover 16, and the other end is connected to the exhaust valve core 3.
[0040] Specifically, when the exhaust valve core 3 extends or retracts, it is blocked at the contact point between the exhaust connector 2 and the exhaust valve cover 16, causing the exhaust valve core 3 to extend or retract in the exhaust connector 2, while the spring 15 promotes the return of the exhaust valve core 3.
[0041] In a preferred embodiment, an O-ring 5 and a retaining ring 6 are fitted onto one end of the exhaust valve cover 16 that connects with the valve cover 1;
[0042] The retaining ring 6, which is fitted onto the exhaust valve cover 16, is positioned at one end near the valve cover 1.
[0043] In a preferred embodiment, the portion of the exhaust connector 2 embedded in the valve seat 4 is fitted with an O-ring 5 and a retaining ring 6;
[0044] The retaining ring 6, which is fitted onto the exhaust connector 2, is positioned on the side near the tail end of the exhaust connector 2.
[0045] In a preferred embodiment, an O-ring 5 is embedded at the end interface of the exhaust connector 2 that extends out of the valve seat 4.
[0046] The valve cover 1 is provided with a pipe mounting hole 10, which communicates with the exhaust valve cover 16.
[0047] As a preferred embodiment, such as Figure 4 As shown, a plurality of screws 7 are provided around the valve cover 1 on the valve seat 4. The screws 7 pass through the valve seat 4 and are fixed to the cylinder 13.
[0048] The screw 7 is fixed to the valve seat 4 with an anti-loosening washer 9. The screw 7 is a screw with an internal hexagonal cylindrical head.
[0049] In a preferred embodiment, the valve cover 1 is provided with a vertical through hole, and the exhaust valve cover 16 is provided with a threaded hole 8. The threaded hole leads to the top of the exhaust valve cover 16. When disassembling, a screw can be passed through the through hole, screwed into the threaded hole 8, and then removed in sequence.
[0050] Based on the above structure, when maintaining the air valve, it is only necessary to remove the valve cover 1 and take out the spring 15, valve core, and exhaust connector 2 that need to be repaired or replaced.
[0051] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A compressor valve sealing structure, characterized in that, Including intake and exhaust valves, cylinders, and cylinder heads; The intake and exhaust valves are symmetrically arranged on both sides of the cylinder's central axis; the cylinder head is fitted onto the cylinder and fixed between the cylinder head and the intake and exhaust valves by bolts. The intake and exhaust valve includes a valve cover, a valve seat, a valve seal, and an exhaust valve cover; One end of the valve cover is embedded in the valve seat on the side away from the cylinder, the valve seal is partially embedded and connected to the side of the valve seat that is connected to the cylinder, the exhaust valve cover is placed in the middle of the valve seat, and the two ends of the exhaust valve cover are respectively connected to the valve cover and the valve seal. The valve seat is provided with a pipe mounting hole, which communicates with the exhaust valve cover.
2. The compressor valve sealing structure according to claim 1, characterized in that, The air valve seal includes an exhaust valve core and an exhaust connector. The exhaust connector is partially embedded in the valve seat, and the exhaust valve core is placed in the exhaust connector. A spring is sleeved at the junction of the exhaust valve cover and the exhaust valve core. One end of the spring is connected to the exhaust valve cover, and the other end is connected to the exhaust valve core.
3. The compressor valve sealing structure according to claim 1, characterized in that, An O-ring and a retaining ring are fitted at one end of the exhaust valve cover that connects to the valve cover.
4. The compressor valve sealing structure according to claim 3, characterized in that, The retaining ring fitted onto the exhaust valve cover is positioned at one end near the valve cover.
5. The compressor valve sealing structure according to claim 2, characterized in that, The portion of the exhaust connector that is embedded in the valve seat is fitted with an O-ring and a retaining ring.
6. The compressor valve sealing structure according to claim 5, characterized in that, The retaining ring fitted on the exhaust connector is positioned near the tail end of the exhaust connector.
7. The compressor valve sealing structure according to claim 2, characterized in that, An O-ring is embedded at the end interface of the exhaust connector that extends out of the valve seat.
8. The compressor valve sealing structure according to claim 1, characterized in that, The valve seat is provided with a number of screws around the valve cover, and the screws pass through the valve seat and are fixed to the cylinder.
9. The compressor valve sealing structure according to claim 8, characterized in that, The screw is fixed to the valve seat with an anti-loosening washer.
10. The compressor valve sealing structure according to claim 1, characterized in that, The valve cover has a through hole, and the exhaust valve cover has a threaded hole, which is aligned and communicates with the through hole.