Pneumatic electromagnetic valve adopting double-buffering sealing structure

By adopting a double-buffered sealing structure and utilizing a combination design of annular inserts and sealing rings, the problem of poor sealing performance of pneumatic solenoid valves is solved, thereby improving the sealing performance and reliability of fluids.

CN223754774UActive Publication Date: 2026-01-02NINGBO KENENG MACHINERY CO LTD
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Patent Information

Application Number
CN202520550979.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-27
Publication Date
2026-01-02
Estimated Expiration
2035-03-27

AI Technical Summary

Technical Problem

Existing pneumatic solenoid valves have poor sealing performance, leading to fluid leakage and affecting their reliability and stability.

Method used

It adopts a double-buffered sealing structure, including the cooperation of annular insert plate, first sealing ring and second sealing ring. Through the design of annular slot and threaded hole, the sealing performance of fluid input and output is ensured.

Benefits of technology

It effectively prevents fluid leakage and improves the sealing performance and reliability of pneumatic solenoid valves.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223754774U_ABST
    Figure CN223754774U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of pneumatic electromagnetic valves, in particular to a pneumatic electromagnetic valve adopting a double-buffering sealing structure, which comprises a pneumatic electromagnetic valve main body, a delivery pipe fixedly arranged at the air inlet end of the pneumatic electromagnetic valve main body, two delivery pipes fixedly arranged at the air outlet end of the pneumatic electromagnetic valve main body, and a flange arranged at one end of each delivery pipe. A second sealing ring and an annular inserting plate are fixedly installed at the bottom end of the conveying pipe. According to the utility model, the annular insertion plate is inserted into the annular insertion groove, and under the cooperation of the first sealing ring, the second sealing ring and the flange, the sealing performance of fluid input and output is ensured, so that the fluid cannot leak, and the sealing structure is convenient to apply in actual work.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pneumatic solenoid valve technical field especially relates to adopt double buffering sealing structure's pneumatic solenoid valve. BACKGROUND

[0002] The solenoid valve is the industrial equipment of electromagnetic control, is the automation basic element for controlling fluid, belongs to actuator, and the pneumatic solenoid valve is one of them, is through the movement of valve body to block or leak out different oil discharge hole, and the solenoid valve is widely used in various pneumatic systems, is used for realizing the accurate control and regulation of gas.

[0003] In practical application, the sealing performance of pneumatic solenoid valve often becomes one of the key factors influencing its reliability and stability, and the sealing performance of the outlet and inlet of the traditional pneumatic solenoid valve is not good, which leads to fluid leakage during use and is not conducive to practical application. UTILITY MODEL CONTENT

[0004] The utility model relates to pneumatic solenoid valve technical field especially relates to adopt double buffering sealing structure's pneumatic solenoid valve.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] Adopt double buffering sealing structure's pneumatic solenoid valve, including pneumatic solenoid valve main part, pneumatic solenoid valve main part gas inlet end fixed mounting has one conveying pipe, pneumatic solenoid valve main part gas outlet end fixed mounting has two conveying pipes, and the flange is provided at one end of the conveying pipe, and the second sealing ring and the annular plug are fixedly installed at the bottom end of the conveying pipe.

[0007] Annular groove is formed on the pneumatic solenoid valve main body, the second sealing ring is clamped in the annular groove, and the annular plug is inserted into the annular slot.

[0008] In addition, preferably, the lower part of the conveying pipe is fixedly installed with four mounting blocks.

[0009] In addition, preferably, the annular groove is provided with four threaded holes around the periphery, and the first sealing ring is arranged on the threaded hole, and the top of the first sealing ring is in extrusion contact with the mounting block.

[0010] In addition, preferably, the threaded hole is provided with a bolt passing through the mounting block and threaded into the threaded hole.

[0011] In addition, preferably, the annular slot is provided with two insertion holes.

[0012] In addition, preferably, the structure is that the bottom of the ring-shaped plug plate is fixedly provided with two plug strips matched with the plug holes, and the two plug strips are respectively inserted into the two plug holes.

[0013] The utility model discloses beneficial effect is:

[0014] In the utility model, through the ring-shaped plug plate is inserted into the ring-shaped slot, and under the cooperation of the first sealing ring, the second sealing ring and the flange, the sealing property of fluid input and output is guaranteed, so that the fluid does not leak, and the utility in actual work is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The whole structure schematic diagram of the pneumatic electromagnetic valve with double buffering sealing structure is provided for the utility model;

[0016] Figure 2 The conveying pipe installation structure schematic diagram of the pneumatic electromagnetic valve with double buffering sealing structure is provided for the utility model;

[0017] Figure 3 The ring-shaped recess and ring-shaped slot structure schematic diagram of the pneumatic electromagnetic valve with double buffering sealing structure is provided for the utility model;

[0018] Figure 4 The conveying pipe structure schematic diagram of the pneumatic electromagnetic valve with double buffering sealing structure is provided for the utility model.

[0019] In the drawing: 1 pneumatic electromagnetic valve main body, 11 threaded hole, 12 ring-shaped recess, 13 ring-shaped slot, 131 plug hole, 2 conveying pipe, 3 first sealing ring, 4 flange, 5 ring-shaped plug plate, 6 bolt, 7 plug strip, 8 second sealing ring, 9 mounting block. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments only are a part of the embodiments of the utility model, and not all the embodiments.

[0021] Referring to Figures 1-4 The pneumatic electromagnetic valve with double buffering sealing structure includes a pneumatic electromagnetic valve main body 1, one conveying pipe 2 is fixedly installed at the air inlet end of the pneumatic electromagnetic valve main body 1, two conveying pipes 2 are fixedly installed at the air outlet end of the pneumatic electromagnetic valve main body 1, the flange 4 is arranged at one end of the conveying pipe 2, and the second sealing ring 8 and the ring-shaped plug plate 5 are fixedly installed at the bottom end of the conveying pipe 2.

[0022] The ring-shaped recess 12 is arranged on the pneumatic electromagnetic valve main body 1, the second sealing ring 8 is clamped in the ring-shaped recess 12, the ring-shaped slot 13 is arranged on the periphery of the ring-shaped recess 12, and the ring-shaped plug plate 5 is inserted into the ring-shaped slot 13.

[0023] Meanwhile, the lower part of the conveying pipe 2 is fixedly provided with four mounting blocks 9, and the conveying pipe 2 is fixedly mounted on the pneumatic electromagnetic valve body 1 through the mounting blocks 9.

[0024] Moreover, four threaded holes 11 are arranged on the outer periphery of the annular groove 12, and a first sealing ring 3 is arranged on the threaded hole 11, and the top of the first sealing ring 3 is in extrusion contact with the mounting block 9, when the conveying pipe 2 is fixedly mounted, the mounting block 9 extrudes the first sealing ring 3, and the sealing performance of the conveying pipe 2 after being mounted is ensured.

[0025] Among them, the threaded hole 11 is screwed through the mounting block 9, and the mounting block 9 is fixedly mounted on the pneumatic electromagnetic valve body 1 through the bolt 6, and then the conveying pipe 2 is fixedly mounted on the pneumatic electromagnetic valve body 1.

[0026] Meanwhile, two insertion holes 131 are arranged in the annular insertion slot 13, and the insertion holes 131 facilitate the installation and positioning of the conveying pipe 2.

[0027] Moreover, the bottom of the annular insertion plate 5 is fixedly provided with two insertion strips 7 matched with the insertion holes 131, and the two insertion strips 7 are respectively inserted into the two insertion holes 131, and when the conveying pipe 2 is installed, the insertion strip 7 is inserted into the insertion hole 131 to facilitate the installation and positioning.

[0028] Moreover, it is worth noting that the specific structure and working mode of the pneumatic electromagnetic valve body 1 are all existing technologies on the market, and do not belong to the technical problems to be solved in the technical scheme, and therefore will not be described in detail in the utility model.

[0029] In the embodiment, the four mounting blocks 9 are respectively aligned with the four threaded holes 11, then the two insertion strips 7 are respectively aligned with the two insertion holes 131, the insertion strip 7 is inserted into the insertion hole 131, the annular insertion plate 5 is inserted into the annular insertion slot 13, the second sealing ring 8 is clamped into the annular groove 12, the mounting block 9 extrudes the first sealing ring 3, then the bolt 6 is screwed through the mounting block 9 and the threaded hole 11, the mounting block 9 extrudes the first sealing ring 3 until it is firmly installed, the second sealing ring 8 is continuously extruded in the annular groove 12, then the flange 4 is connected with the external conveying device to ensure the sealing performance of fluid conveying.

[0030] In the utility model, the annular insertion plate 5 is inserted into the annular insertion slot 13, and the cooperation of the first sealing ring 3, the second sealing ring 8 and the flange 4 ensures the sealing performance of fluid input and output, so that the fluid will not leak, and it is convenient to apply in actual work.

[0031] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A pneumatic electromagnetic valve using a double-buffer seal structure, comprising a pneumatic electromagnetic valve main body (1), characterized in that, The pneumatic electromagnetic valve body (1) air inlet end is fixedly installed with a conveying pipe (2), the pneumatic electromagnetic valve body (1) air outlet end is fixedly installed with two conveying pipes (2), one end of the conveying pipe (2) is provided with a flange (4), the bottom end of the conveying pipe (2) is fixedly installed with a second sealing ring (8) and an annular plug plate (5); The pneumatic electromagnetic valve body (1) is provided with an annular groove (12), the second sealing ring (8) is clamped in the annular groove (12), an annular insertion groove (13) is formed in the periphery of the annular groove (12), and the annular plug plate (5) is inserted into the annular insertion groove (13).

2. The pneumatic solenoid valve employing a double-buffer seal structure according to claim 1, characterized by, Four mounting blocks (9) are fixedly installed around the lower part of the conveying pipe (2).

3. The pneumatic solenoid valve employing a double-buffer seal structure according to claim 1, characterized by Four threaded holes (11) are formed in the periphery of the annular groove (12), the first sealing ring (3) is arranged on the threaded hole (11), and the top of the first sealing ring (3) is in extrusion contact with the mounting block (9).

4. The pneumatic electromagnetic valve employing a double-buffer seal structure according to claim 3, characterized by The threaded hole (11) is screwed into the mounting block (9) by the bolt (6).

5. The pneumatic solenoid valve employing a double-buffer seal structure according to claim 1, characterized by Two insertion holes (131) are formed in the annular insertion groove (13).

6. The pneumatic solenoid valve employing a double-buffer seal structure according to claim 1, characterized by The bottom of the annular plug plate (5) is fixedly installed with two insertion strips (7) matched with the insertion holes (131), and the two insertion strips (7) are respectively inserted into the two insertion holes (131).