Efficient sealing valve plate with multifunctional lock catch structure

By setting a sealing ring and a locking structure on the valve plate, the leakage problem caused by the gap between the screw and the mounting hole in the traditional valve plate sealing structure is solved, achieving efficient sealing and improving the operating efficiency and safety of the equipment.

CN224260484UActive Publication Date: 2026-05-19ZHEJIANG COMMERCIAL MASCH FACTORY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG COMMERCIAL MASCH FACTORY CO LTD
Filing Date
2025-07-10
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

The sealing structure design of traditional valve plates has gaps between screws and mounting holes, which can easily become gas channels, leading to leakage of internal media and affecting equipment operating efficiency and safety.

Method used

A high-efficiency sealing valve plate with a multi-functional locking structure is designed. A sealing ring is set between the screw and the mounting hole, and the sealing ring is squeezed between the screw and the mounting hole during installation to achieve a seal between the valve plate and the screw.

Benefits of technology

It effectively prevents gas leakage from inside the compressor through the mounting hole, improves the sealing performance and reliability of the equipment, and reduces safety hazards.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224260484U_ABST
    Figure CN224260484U_ABST
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Abstract

The utility model relates to the technical field of compressor valve plates, and discloses an efficient sealing valve plate with a multifunctional lock catch structure, which comprises a valve plate, a threaded hole is arranged on the surface of the valve plate, a fixing bolt is arranged inside the threaded hole, a scavenging port is arranged on the surface of the valve plate, a plurality of exhaust valve plates are arranged on the upper portion of the valve plate, and the valve plate is arranged on the valve plate. One end of the exhaust valve plate corresponds to the scavenging port, a plurality of valve plate positioning blocks are installed on the upper portion of the exhaust valve plate, and the other end of the exhaust valve plate and the valve plate positioning blocks are installed between the valve plate and the fixing bolt. The sealing ring is extruded through the screw and the mounting hole, so that the valve plate and the screw are sealed, and the problem that a gap between the screw and the mounting hole easily becomes a gas channel, and consequently a medium in equipment leaks is solved.
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Description

Technical Field

[0001] This utility model relates to the field of compressor valve plates, specifically a high-efficiency sealing valve plate with a multi-functional locking structure. Background Technology

[0002] In fluid transport equipment such as compressors and pumps, the valve plate is a core component for controlling the flow and sealing of the medium, and its performance directly affects the equipment's working efficiency, stability, and service life. With the development of industrial technology, equipment places higher demands on the sealing performance, installation accuracy, and reliability of valve plates.

[0003] Currently, traditional valve plates have significant defects in their sealing structure design. The connection between the valve plate and components such as the exhaust assembly usually relies on screws for fixation. However, the gap between the screws and the mounting holes can easily become a gas passage, leading to leakage of the internal media of the equipment. This not only reduces the operating efficiency of the equipment but may also cause safety hazards. For example, the leakage of flammable or explosive media may even cause serious accidents. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a high-efficiency sealing valve plate with a multi-functional locking structure. By setting a sealing ring in the gap between the screw and the mounting hole, the sealing ring is squeezed between the screw and the mounting hole during installation, thereby sealing the gap between the valve plate and the screw. This solves the problem that the gap between the screw and the mounting hole can easily become a gas passage, leading to leakage of the internal medium of the equipment.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A high-efficiency sealing valve plate with a multi-functional locking structure includes a valve plate, the surface of which is provided with threaded holes, a fixing bolt is installed inside the threaded holes, and a ventilation port is provided on the surface of the valve plate.

[0009] Multiple exhaust valve plates are installed on the upper part of the valve plate. One end of each exhaust valve plate corresponds to the air exchange port. Multiple valve plate positioning blocks are installed on the upper part of the exhaust valve plate. The other end of the exhaust valve plate and the valve plate positioning blocks are installed between the valve plate and the fixing bolts.

[0010] Preferably, a gasket is installed on the upper part of the valve plate positioning block, a fixing plate is fixedly connected to one end of the upper part of the gasket, a spring is fixedly connected to the lower part of the fixing plate, and the other end of the spring is installed on the valve plate positioning block.

[0011] Preferably, a limiting post is fixedly installed on the upper part of the valve plate positioning block, the limiting post corresponds to the spring, and the spring is sleeved on the outside of the limiting post.

[0012] Preferably, the upper part of the valve plate has a mounting hole, and a positioning post is installed inside the mounting hole, the positioning post penetrating the exhaust valve plate.

[0013] Preferably, the valve plate positioning block has a positioning groove at one end near the fixing bolt, and the positioning groove is adapted to the positioning post.

[0014] Preferably, a baffle is installed on the lower part of one side of the gasket, and the baffle is located at the end of the valve plate positioning block near the fixing bolt.

[0015] Preferably, a valve plate positioning pin is installed on the other side of the valve plate, and an air intake valve plate is installed on the valve plate through the valve plate positioning pin. The air intake valve plate also corresponds to the air exchange port.

[0016] (III) Beneficial Effects

[0017] Compared with the prior art, this utility model provides a high-efficiency sealing valve plate with a multi-functional locking structure, which has the following advantages:

[0018] This high-efficiency sealing valve plate with a multi-functional locking structure installs the sealing ring inside the first sealing groove, aligns the positioning block on the screw surface with the positioning groove of the mounting hole, installs the screw into the mounting hole, and then secures the screw with a nut, thereby preventing gas from leaking from the mounting hole inside the compressor.

[0019] This high-efficiency sealing valve plate with a multi-functional locking structure allows the valve plate assembly to be installed on the compressor. First, the valve plate sealing gasket is installed between the compressor and the valve plate. Under the action of the valve plate sealing gasket, the screw is sealed inside the mounting hole, further preventing gas leakage from the compressor through the mounting hole. Attached Figure Description

[0020] Figure 1 This is a partial structural schematic diagram of the present invention.

[0021] Figure 2 This is a partial structural schematic diagram of the present invention from another perspective.

[0022] Figure 3 This is a partial exploded structural diagram of the present invention.

[0023] Figure 4 This is an enlarged structural diagram of point A in this utility model.

[0024] Figure 5 This is a schematic diagram of the screw structure of this utility model.

[0025] Figure 6 This is a cross-sectional view of the valve plate of this utility model.

[0026] Figure 7 This is an enlarged structural diagram of part B of the present invention.

[0027] In the diagram: 1. Valve plate; 2. Exhaust assembly; 21. Exhaust valve plate; 211. Limiting block; 22. Valve plate positioning block; 3. Mounting hole; 31. Screw; 311. Positioning block; 32. First sealing groove; 33. Sealing ring; 34. Second sealing groove; 35. Positioning groove; 36. Limiting groove; 4. Valve plate sealing gasket; 5. Air exchange port; 6. Intake valve plate; 61. Intake valve plate compression spring. Detailed Implementation

[0028] 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.

[0029] In the description of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not 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 this utility model.

[0030] In addition, a fixed connection refers to a connection in which parts or components are fixed and there is no relative movement; a transmission connection refers to a connection in which mechanical motion or torque is transmitted to other working parts through a transmission component; a sliding connection refers to a connection in which two objects are in contact but not fixed and can slide relative to each other; and a rotational connection refers to a connection in which two objects are in contact but not fixed and can rotate relative to each other.

[0031] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0032] Example 1:

[0033] This embodiment provides a high-efficiency sealing valve plate with a multi-functional locking structure, which has the following technical features.

[0034] Please see Figure 1-7 A high-efficiency sealing valve plate with a multi-functional locking structure includes a valve plate 1 and an exhaust assembly 2. The surface of the valve plate 1 is provided with several mounting holes 3. Screws 31 are installed inside the mounting holes 3. The exhaust assembly 2 is fixed to the valve plate 1 by the screws 31. The exhaust assembly 2 is installed on the side of the valve plate 1 away from the screw head.

[0035] A first sealing groove 32 is provided on the side of the mounting hole 3 away from the exhaust assembly 2. A sealing ring 33 is installed inside the first sealing groove 32. A second sealing groove 34 is provided on the side of the screw 31 near the head. The first sealing groove 32 and the second sealing groove 34 correspond to each other.

[0036] It should be noted that the other end of the screw 31 is connected by a nut, and the sealing ring 33 is placed inside the first sealing groove 32. Through the mutual cooperation between the first sealing groove 32 and the second sealing groove 34, the screw 31 and the valve plate 1 are sealed to prevent the gas inside the compressor from leaking through the mounting hole 3.

[0037] In an optional embodiment, a valve plate sealing gasket 4 is installed on the side of the valve plate 1 away from the exhaust assembly 2. The valve plate sealing gasket 4 is adapted to the valve plate 1 and seals the screw 31 in the mounting hole 3 through the valve plate sealing gasket 4.

[0038] Furthermore, during installation, the valve plate sealing gasket 4 is installed between the compressor and the valve plate 1. Under the action of the valve plate sealing gasket 4, the screw 31 is sealed inside the mounting hole 3, further preventing gas inside the compressor from leaking through the mounting hole 3.

[0039] In an optional embodiment, a positioning groove 35 is provided inside the mounting hole 3, and a positioning block 311 is provided on the side of the screw 31 near the head, the positioning block 311 being adapted to the positioning groove 35.

[0040] Furthermore, the depth of the positioning groove 35 is longer than the length of the positioning block 311.

[0041] In an optional embodiment, the exhaust assembly 2 includes an exhaust valve plate 21 and a valve plate positioning block 22, with the exhaust valve plate 21 disposed between the valve plate positioning block 22 and the valve plate 1.

[0042] Furthermore, the surfaces of the exhaust valve plate 21 and the valve plate positioning block 22 are provided with mounting holes. The screws 31 pass through the valve plate 1, the exhaust valve plate 21 and the valve plate positioning block 22 in sequence, and are fixed firmly by nuts.

[0043] In an optional embodiment, a plurality of limiting grooves 36 are provided on the side of the mounting hole 3 near the exhaust valve plate 21, and a limiting block 211 is provided at the end of the exhaust valve plate 21 near the mounting hole 3, the limiting block 211 being adapted to the limiting grooves 36.

[0044] Furthermore, a limiting block 211 is installed inside the limiting groove 36 to prevent the exhaust valve plate 21 from rotating with the valve plate 1.

[0045] In an optional embodiment, the valve plate 1 has a plurality of ventilation ports 5, which correspond to the end of the exhaust valve plate 21 away from the screw 31.

[0046] Furthermore, during exhaust, the exhaust valve plate 21 opens relative to the air exchange port 5, and during intake, the exhaust valve plate 21 closes relative to the air exchange port 5.

[0047] In an optional embodiment, an intake valve plate 6 is installed on the other side of the valve plate 1. One end of the intake valve plate 6 is fixed to the valve plate 1 by an intake valve plate compression spring 61, and the other end of the intake valve plate 6 corresponds to another air exchange port 5.

[0048] Furthermore, during exhaust, the intake valve 6 opens relative to the air exchange port 5, and during intake, the intake valve 6 closes relative to the air exchange port 5.

[0049] Working principle: During installation, the sealing ring 33 is installed inside the first sealing groove 32. The positioning block 311 on the surface of the screw 31 is aligned with the positioning groove 35 of the mounting hole 3, and the screw 31 is installed into the mounting hole 3, so that the second sealing groove 34 fixes the sealing ring 33. The exhaust valve plate 21 and the valve plate positioning block 22 are then installed on the screw 31 and fixed firmly with nuts. When installing the exhaust valve plate 21, the limiting block 211 at one end of the exhaust valve plate 21 is placed into the limiting groove 36, and the other end of the exhaust valve plate 21... One end corresponds to the air exchange port 5, thereby fixing the exhaust valve plate 21 firmly on the valve plate 1. On the other side of the valve plate 1, the intake valve plate 6 is fixed on the valve plate 1 by the intake valve plate compression spring 61. The other end of the intake valve plate 6 corresponds to the air exchange port 5. When installing the valve plate assembly on the compressor, the valve plate sealing gasket 4 is first installed between the compressor and the valve plate 1. Under the action of the valve plate sealing gasket 4, the screw 31 is sealed inside the mounting hole 3 by the valve plate sealing gasket 4, further preventing the gas inside the compressor from leaking through the mounting hole 3.

[0050] In summary, this high-efficiency sealing valve plate with a multi-functional locking structure installs the sealing ring 33 inside the first sealing groove 32, aligns the positioning block 311 on the surface of the screw 31 with the positioning groove 35 of the mounting hole 3, installs the screw 31 into the mounting hole 3, and then secures the screw 31 firmly with a nut, thereby preventing gas inside the compressor from leaking from the mounting hole 3.

[0051] This high-efficiency sealing valve plate with a multi-functional locking structure, when the valve plate assembly is installed on the compressor, first installs the valve plate sealing gasket 4 between the compressor and the valve plate 1. Under the action of the valve plate sealing gasket 4, the screw 31 is sealed inside the mounting hole 3 through the valve plate sealing gasket 4, further preventing the gas inside the compressor from leaking through the mounting hole 3.

[0052] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0053] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the scope and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency sealing valve plate with a multi-functional locking structure, comprising a valve plate (1) and an exhaust assembly (2), wherein the surface of the valve plate (1) is provided with a plurality of mounting holes (3), and screws (31) are installed inside the mounting holes (3), and the exhaust assembly (2) is fixed to the valve plate (1) by the screws (31), wherein the exhaust assembly (2) is installed on the side of the valve plate (1) away from the screw head, characterized in that: The mounting hole (3) has a first sealing groove (32) on the side away from the exhaust assembly (2), and a sealing ring (33) is installed inside the first sealing groove (32). The screw (31) has a second sealing groove (34) on the side near the head, and the first sealing groove (32) and the second sealing groove (34) correspond to each other.

2. The high-efficiency sealing valve plate with a multi-functional locking structure according to claim 1, characterized in that, A valve plate sealing gasket (4) is installed on the side of the valve plate (1) away from the exhaust assembly (2). The valve plate sealing gasket (4) is adapted to the valve plate (1) and the screw (31) is sealed in the mounting hole (3) by the valve plate sealing gasket (4).

3. The high-efficiency sealing valve plate with a multi-functional locking structure according to claim 1, characterized in that, The mounting hole (3) has a positioning groove (35) inside, and a positioning block (311) is provided on the side of the screw (31) near the head. The positioning block (311) is adapted to the positioning groove (35).

4. The high-efficiency sealing valve plate with a multi-functional locking structure according to claim 1, characterized in that, The exhaust assembly (2) includes an exhaust valve plate (21) and a valve plate positioning block (22), wherein the exhaust valve plate (21) is disposed between the valve plate positioning block (22) and the valve plate (1).

5. The high-efficiency sealing valve plate with a multi-functional locking structure according to claim 4, characterized in that, The mounting hole (3) has several limiting grooves (36) on the side near the exhaust valve plate (21), and a limiting block (211) is provided at the end of the exhaust valve plate (21) near the mounting hole (3). The limiting block (211) is adapted to the limiting groove (36).

6. The high-efficiency sealing valve plate with a multi-functional locking structure according to claim 2, characterized in that, The valve plate (1) has several air vents (5), and the air vents (5) correspond to the end of the exhaust valve plate (21) away from the screw (31).

7. A high-efficiency sealing valve plate with a multi-functional locking structure according to claim 1, characterized in that, A suction valve plate (6) is installed on the other side of the valve plate (1). One end of the suction valve plate (6) is fixed to the valve plate (1) by a suction valve plate compression spring (61), and the other end of the suction valve plate (6) corresponds to another air exchange port (5).