Pneumatic buffering angle seat valve

Abstract

The utility model discloses a pneumatic buffering angle seat valve which comprises a pneumatic angle seat valve body, the side surface of the pneumatic angle seat valve body is fixedly connected with a connecting cylinder, the inner surface of the connecting cylinder is fixedly connected with a first sealing layer, and the inner surface of the first sealing layer is movably connected with a second sealing layer. A connecting pipe is fixedly connected to the inner surface of the second sealing layer, a connecting ring is fixedly connected to the outer surface of the connecting pipe, a sealing ring is fixedly connected to the side surface of the connecting ring, a rotating shaft is rotatably connected to the outer surface of the connecting ring, and a buckle is fixedly connected to the outer surface of the rotating shaft; a limiting block is movably connected to the outer surface of the buckle, a spring is fixedly connected to the side surface of the limiting block, by arranging the first sealing ring, the second sealing ring, the connecting pipe, the connecting ring, the sealing ring, the rotating shaft, the buckle, the spring and the limiting block, connection is easier, meanwhile, air tightness reduction caused by abrasion is avoided, and the service cycle of the starting buffering angle seat valve is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of pneumatic buffer angle seat valves, in particular to a pneumatic buffer angle seat valve. Background Art

[0002] Pneumatic angle seat valves are widely used in short-term frequent starts. They are characterized by sensitive response and accurate action. When used in conjunction with a solenoid valve, pneumatic control can accurately control the flow of gas and liquid. The sliding rod is slidably installed in the connecting pipe, and the sliding rod is fixedly connected to the output shaft of the cylinder. The housing is slidably installed on the sliding rod, the sliding plate is slidably installed in the housing, and the sliding plate is fixedly connected to the sliding rod. The spring is fixedly installed on the sliding plate, and one end of the spring is fixedly connected to the inner wall of the housing, which can effectively provide buffering when opening or closing to prevent damage.

[0003] However, the existing pneumatic buffer angle seat valve is connected by threaded installation, which causes the air tightness to decrease due to thread wear. After searching, it was found that the technical solution provided by the utility model with application number CN202020398492.5 also has the above-mentioned problems. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a pneumatic buffer angle seat valve. By arranging a first sealing ring, a second sealing ring, a connecting pipe, a connecting ring, a sealing ring, a rotating shaft, a buckle, a spring and a limit block, the connection is made easier while avoiding the reduction of air tightness due to wear, thereby increasing the service life of the starting buffer angle seat valve.

[0005] To achieve the above-mentioned purpose, the utility model also provides a pneumatic buffer angle seat valve, comprising: a pneumatic angle seat valve body, a connecting cylinder fixedly connected to the side surface of the pneumatic angle seat valve body, a first sealing layer fixedly connected to the inner surface of the connecting cylinder, a second sealing layer movably connected to the inner surface of the first sealing layer, a connecting pipe fixedly connected to the inner surface of the second sealing layer, a connecting ring fixedly connected to the outer surface of the connecting pipe, and a sealing ring fixedly connected to the side surface of the connecting ring;

[0006] The outer surface of the connecting ring is rotatably connected to a rotating shaft, the outer surface of the rotating shaft is fixedly connected to a buckle, the outer surface of the buckle is movably connected to a limiting block, and the side surface of the limiting block is fixedly connected to a spring. By arranging a first sealing ring, a second sealing ring, a connecting pipe, a connecting ring, a sealing ring, a rotating shaft, a buckle, a spring, and a limiting block, the connection is easier and the reduction of air tightness due to wear is avoided, thereby increasing the service life of the starting buffer angle seat valve.

[0007] According to the pneumatic buffer angle seat valve, the inner surface of the pneumatic angle seat valve body is connected to the connecting pipe, and the side surface of the sealing ring is movably connected to the first sealing layer.

[0008] According to the pneumatic buffer angle seat valve, the inner surface of the sealing ring is fixedly connected to the connecting pipe, and the side surface of the sealing ring is movably connected to the connecting tube.

[0009] According to the pneumatic buffer angle seat valve, the outer surface of the buckle is rotatably connected to the connecting ring, and one end of the spring away from the limit block is fixedly connected to the connecting cylinder.

[0010] According to the pneumatic buffer angle seat valve, the inner surface of the connecting tube is provided with a groove, and the inner surface of the groove is slidably connected to the limit block.

[0011] According to the pneumatic buffer angle seat valve, the outer surface of the limit block is slidably connected to the connecting tube, and the number of the buckles is four and they are distributed up and down.

[0012] According to the pneumatic buffer angle seat valve, the material of the first sealing layer is rubber, and the material of the second sealing layer is rubber, which improves the friction force and achieves connection stability and air tightness.

[0013] According to the pneumatic buffer angle seat valve, the outer surface of the buckle is movably connected to the connecting tube.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is an overall structural diagram of a pneumatic buffer angle seat valve of the utility model;

[0017] Figure 2 This is a partial structural diagram of a pneumatic buffer angle seat valve of the utility model;

[0018] Figure 3 for Figure 2 A magnified view of the structure at center A;

[0019] Figure 4 The utility model is a schematic diagram of the use of a pneumatic buffer angle seat valve.

[0020] Legend:

[0021] 1. Pneumatic angle seat valve body; 2. Connecting tube; 3. First sealing layer; 4. Second sealing layer; 5. Connecting pipe; 6. Connecting ring; 7. Sealing ring; 8. Rotating shaft; 9. Buckle; 10. Spring; 11. Groove; 12. Limit block. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-4 The utility model embodiment is a pneumatic buffer angle seat valve, which includes: a pneumatic angle seat valve body 1, the side surface of the pneumatic angle seat valve body 1 is fixedly connected with a connecting tube 2, the inner surface of the connecting tube 2 is fixedly connected with a first sealing layer 3, the inner surface of the first sealing layer 3 is movably connected with a second sealing layer 4, the first sealing layer 3 is made of rubber, the second sealing layer 4 is made of rubber, the inner surface of the second sealing layer 4 is fixedly connected with a connecting pipe 5, the inner surface of the pneumatic angle seat valve body 1 is connected with the connecting pipe 5, the outer surface of the connecting pipe 5 is fixedly connected with a connecting ring 6, the side surface of the connecting ring 6 is fixedly connected with a sealing ring 7, the side surface of the sealing ring 7 is movably connected with the first sealing layer 3, the inner surface of the sealing ring 7 is fixedly connected with the connecting pipe 5, and the side surface of the sealing ring 7 is movably connected with the connecting tube 2.

[0024] The outer surface of the connecting ring 6 is rotatably connected to the rotating shaft 8, and the outer surface of the rotating shaft 8 is fixedly connected to the buckle 9, and the outer surface of the buckle 9 is movably connected to the connecting tube 2. There are four buckles 9 and they are distributed up and down. The outer surface of the buckle 9 is rotatably connected to the connecting ring 6, and the outer surface of the buckle 9 is movably connected to the limiting block 12. The outer surface of the limiting block 12 is slidably connected to the connecting tube 2. The inner surface of the connecting tube 2 is provided with a groove 11, and the inner surface of the groove 11 is slidably connected to the limiting block 12. The side surface of the limiting block 12 is fixedly connected to a spring 10, and the end of the spring 10 away from the limiting block 12 is fixedly connected to the connecting tube 2.

[0025] Working principle: When connecting the pneumatic angle seat valve body 1 and the connecting pipe 5, the second sealing layer 4 is inserted into the first sealing layer 3. The materials of the first sealing layer 3 and the second sealing layer 4 are both rubber to improve the sealing performance, and the inner and outer sealing layers buffer each other to avoid wear during the connection of the connecting pipe 5. The buckle 9 is connected to the connecting ring 6 through the rotating shaft 8. Press the limit block 12 to squeeze the spring 10 so that the limit block 12 sinks into the groove 11 of the connecting tube 2. Rotate the buckle 9 to make the buckle 9 pass through the moving trajectory of the limit block 12. Release the limit block 12. The restoring force of the spring 10 drives the limit block 12 to reset and resist the buckle 9, blocking the rotation trajectory of the buckle 9, thereby realizing the installation of the buckle 9, that is, the installation of the connecting pipe 5 and the pneumatic angle seat valve body 1.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A pneumatic buffer angle seat valve, characterized in that: include: A pneumatic angle seat valve body (1), wherein a side surface of the pneumatic angle seat valve body (1) is fixedly connected to a connecting tube (2), an inner surface of the connecting tube (2) is fixedly connected to a first sealing layer (3), an inner surface of the first sealing layer (3) is movably connected to a second sealing layer (4), an inner surface of the second sealing layer (4) is fixedly connected to a connecting tube (5), an outer surface of the connecting tube (5) is fixedly connected to a connecting ring (6), and a side surface of the connecting ring (6) is fixedly connected to a sealing ring (7); The outer surface of the connecting ring (6) is rotatably connected to a rotating shaft (8), the outer surface of the rotating shaft (8) is fixedly connected to a buckle (9), the outer surface of the buckle (9) is movably connected to a limit block (12), and the side surface of the limit block (12) is fixedly connected to a spring (10).

2. A pneumatic cushioning angle seat valve according to claim 1, characterized in that: The inner surface of the pneumatic angle seat valve body (1) is connected to the connecting pipe (5), and the side surface of the sealing ring (7) is movably connected to the first sealing layer (3).

3. The pneumatic cushioning angle seat valve according to claim 1, characterized in that: The inner surface of the sealing ring (7) is fixedly connected to the connecting pipe (5), and the side surface of the sealing ring (7) is movably connected to the connecting tube (2).

4. The pneumatic cushioning angle seat valve according to claim 1, characterized in that: The outer surface of the buckle (9) is rotatably connected to the connecting ring (6), and one end of the spring (10) away from the limiting block (12) is fixedly connected to the connecting tube (2).

5. The pneumatic cushioning angle seat valve according to claim 1, characterized in that: The inner surface of the connecting cylinder (2) is provided with a groove (11), and the inner surface of the groove (11) is slidably connected to the limit block (12).

6. The pneumatic cushioning angle seat valve according to claim 1, characterized in that: The outer surface of the limit block (12) is slidably connected to the connecting tube (2), and the number of the buckles (9) is four and they are distributed vertically.

7. The pneumatic cushioning angle seat valve according to claim 1, characterized in that: The material of the first sealing layer (3) is rubber, and the material of the second sealing layer (4) is rubber.

8. The pneumatic cushioning angle seat valve according to claim 1, characterized in that: The outer surface of the buckle (9) is movably connected to the connecting tube (2).

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