Quick replacement sealing assembly of pneumatic O-shaped ball valve

Abstract

The utility model discloses a pneumatic O-shaped ball valve quick replacement sealing assembly which comprises a valve body, a ball valve body is installed on the upper surface of the valve body in an embedded mode, connecting structures are fixedly installed on the surfaces of the two sides of the valve body, the number of the connecting structures is two, and the connecting structures are connected with the ball valve body in an embedded mode. The sealing structure comprises a valve body, two sets of sealing structures are embedded in the positions, located on the two sides, of the interior of the valve body, the valve body comprises a shell, connecting ports, threaded rods, fixing rings, nuts and first sealing rings, the connecting ports are fixedly installed on the surfaces of the two sides of the shell, the fixing rings are fixedly installed on the surfaces of one sides of the connecting ports, and the threaded rods are fixedly installed on the surfaces of the other sides of the connecting ports. And a first sealing ring is embedded in the position, located in the fixing ring, of the surface of one side of the connecting port. According to the quick-replacement sealing assembly of the pneumatic O-shaped ball valve, the valve body and the connecting structure can be quickly detached, so that the sealing structure is replaced, and the sealing layer is convenient to detach.

Description

Technical Field

[0001] The utility model relates to the technical field of pneumatic O - type ball valves, and particularly relates to a quick - replacement sealing assembly for a pneumatic O - type ball valve. Background Technique

[0002] The pneumatic O - type ball valve is a valve with an upper - mounted structure, designed for high - pressure and large - diameter conditions. This valve reduces the connecting bolts of the valve body itself, thus enhancing the reliability of the valve and being able to overcome the influence of the system's own weight on the normal operation of the valve. The pneumatic O - type ball valve consists of a pneumatic actuator and has the advantages of simple structure, small volume, light weight, and convenient operation. It is widely used in automatic regulation and remote control in industrial production processes such as petroleum, chemical industry, hydropower, and light textile. After long - term use, the internal wear of the pneumatic O - type ball valve is serious, or impurities are embedded inside, resulting in a reduction in its sealing performance, and it is necessary to replace the internal sealing assembly.

[0003] When replacing the sealing assembly, it is necessary to first remove the valve from the pipeline, then remove the valve cover and the valve body. Only after taking out the valve body can the sealing assembly be taken out. When installing, it is installed in the reverse steps of the removal, with cumbersome operations, time - consuming and labor - intensive, and each group of sealing rings needs to be taken out separately, which is inconvenient to operate. Therefore, we propose a quick - replacement sealing assembly for a pneumatic O - type ball valve. Content of the Utility Model

[0004] The main purpose of the utility model is to provide a quick - replacement sealing assembly for a pneumatic O - type ball valve, which can effectively solve the problems in the background technique.

[0005] To achieve the above - mentioned purpose, the technical solution adopted by the utility model is as follows:

[0006] A quick - replacement sealing assembly for a pneumatic O - type ball valve, including a valve body. A ball valve body is embedded and installed on the upper surface of the valve body. Connecting structures are fixedly installed on both side surfaces of the valve body, and there are two groups of connecting structures. Sealing structures are embedded and installed at both side positions inside the valve body, and there are two groups of sealing structures.

[0007] Furthermore, the valve body includes a housing, connecting ports, threaded rods, fixing rings, nuts, and first sealing rings. Connecting ports are fixedly installed on both side surfaces of the housing. A fixing ring is fixedly installed on one side surface of the connecting port. A first sealing ring is embedded and installed inside the fixing ring on one side surface of the connecting port. Threaded rods are fixedly installed inside the connecting port and inside the first sealing ring, and there are four groups of threaded rods.

[0008] Furthermore, the connection structure includes a connection ring, a pipe, a second sealing ring, an installation groove, and a screw hole. The pipe is embedded and installed on the inner surface of the connection ring. An installation groove is formed on one side surface of the connection ring. There are four groups of the installation grooves. Screw holes are formed on one side surface of the connection ring on one side of the installation groove. A second sealing ring is fixedly installed on the other side surface of the connection ring.

[0009] Furthermore, the ball valve body includes a driving rod and a valve body. The valve body is fixedly installed on the lower surface of the driving rod.

[0010] Furthermore, the valve body and the connection structure are installed by embedding a threaded rod into the screw hole. There are four groups of nuts. The nuts are respectively sleeved on the surface of the threaded rod and embedded in the installation groove. The second sealing ring is located between the threaded rods. The driving rod is embedded in the surface of the housing. The valve body is embedded in the housing.

[0011] Furthermore, the sealing structure includes a sealing plate, a sealing layer, a connecting layer, a first embedding groove, and a second embedding groove. Second embedding grooves are formed on both sides of the surface of the sealing plate. There are two groups of the second embedding grooves. The sealing layers are respectively embedded and installed in the second embedding grooves. A first embedding groove is formed on the surface of the sealing plate between the sealing layers. A connecting layer is fixedly connected between the sealing layers in the first embedding groove.

[0012] Furthermore, the sealing structure is installed by embedding the sealing plate into the inner surface of the connection port and is located on one side surface of the second sealing ring.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] In the utility model, through the arranged threaded rod, nut, connection port and connection ring, the connection port and the connection ring can be quickly disassembled, so that the sealing structure can be taken out, saving the trouble of disassembling the housing. Through the arranged connecting layer and first embedding groove, the sealing layers can be connected together, making the removal of the sealing layers more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the overall structural schematic diagram of a quick replacement sealing component of a pneumatic O-shaped ball valve of the utility model;

[0016] Figure 2 is the sectional view of the housing of a quick replacement sealing component of a pneumatic O-shaped ball valve of the utility model;

[0017] Figure 3 is the sectional view of the sealing plate of a quick replacement sealing component of a pneumatic O-shaped ball valve of the utility model;

[0018] Figure 4 For the quick replacement sealing assembly of a pneumatic O - type ball valve of the present utility model Figure 2 Detail enlarged view at location A;

[0019] Figure 5 For the quick replacement sealing assembly of a pneumatic O - type ball valve of the present utility model Figure 3 Detail enlarged view at location B.

[0020] In the figure: 1. Valve body; 101. Outer shell; 102. Connection port; 103. Threaded rod; 104. Fixed ring; 105. Nut; 106. First sealing ring; 2. Connection structure; 201. Connection ring; 202. Pipeline; 203. Second sealing ring; 204. Installation groove; 205. Screw hole; 3. Ball valve body; 301. Driving rod; 302. Valve body; 4. Sealing structure; 401. Sealing plate; 402. Sealing layer; 403. Connection layer; 404. First embedding groove; 405. Second embedding groove. Specific embodiments

[0021] To make the technical means, creative features, achieved purposes and effects of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0022] As Figures 1-5 shown, a quick replacement sealing assembly of a pneumatic O - type ball valve includes a valve body 1. A ball valve body 3 is embedded and installed on the upper surface of the valve body 1. Connection structures 2 are fixedly installed on both side surfaces of the valve body 1. There are two groups of connection structures 2. Sealing structures 4 are embedded and installed at both side positions inside the valve body 1. There are two groups of sealing structures 4;

[0023] The valve body 1 includes a housing 101, connection ports 102, threaded rods 103, fixing rings 104, nuts 105, and first sealing rings 106. Connection ports 102 are fixedly installed on both side surfaces of the housing 101. A fixing ring 104 is fixedly installed on one side surface of the connection port 102. A first sealing ring 106 is embedded and installed inside the fixing ring 104 on one side surface of the connection port 102. Threaded rods 103 are fixedly installed inside the connection port 102 and inside the first sealing ring 106. There are four groups of threaded rods 103. The connection structure 2 includes a connection ring 201, a pipe 202, a second sealing ring 203, installation grooves 204, and screw holes 205. The pipe 202 is embedded and installed on the inner surface of the connection ring 201. Installation grooves 204 are formed on one side surface of the connection ring 201, and there are four groups of installation grooves 204. Screw holes 205 are formed on one side surface of the connection ring 201 and on one side of the installation grooves 204. A second sealing ring 203 is fixedly installed on the other side surface of the connection ring 201. The ball valve body 3 includes a drive rod 301 and a valve body 302. The valve body 302 is fixedly installed on the lower surface of the drive rod 301. The drive rod 301 is connected to a drive structure above it, and the drive structure drives the valve body 302 to rotate, thereby realizing the opening and closing of the valve. The valve body 1 and the connection structure 2 are installed by embedding the threaded rods 103 inside the screw holes 205. There are four groups of nuts 105, and the nuts 105 are respectively sleeved on the surfaces of the threaded rods 103 and embedded inside the installation grooves 204. The second sealing ring 203 is located between the threaded rods 103. The drive rod 301 is embedded and installed on the surface of the housing 101, and the valve body 302 is embedded and installed inside the housing 101. The first sealing ring 106 and the second sealing ring 203 play a sealing role between the connection port 102 and the connection ring 201, preventing leakage at the water inlet and outlet. The sealing structure 4 includes a sealing plate 401, a sealing layer 402, a connection layer 403, a first embedding groove 404, and a second embedding groove 405. Second embedding grooves 405 are formed on both side positions of the surface of the sealing plate 401, and there are two groups of second embedding grooves 405. Sealing layers 402 are embedded and installed inside the second embedding grooves 405. A first embedding groove 404 is formed on the surface of the sealing plate 401 between the sealing layers 402. A connection layer 403 is fixedly connected between the sealing layers 402 inside the first embedding groove 404. The sealing structure 4 is installed by embedding the sealing plate 401 on the inner surface of the connection port 102 and on one side surface of the second sealing ring 203.

[0024] It should be noted that the present utility model is a quick-change sealing assembly for a pneumatic O-shaped ball valve. When in use, the ball valve body 3 opens and closes the valve body 1. When the sealing structure 4 needs to be disassembled and replaced, the valve body 1 is disassembled through the connecting structure 2; the driving rod 301 can drive the valve body 302 to rotate, so as to realize opening and closing. The medium enters and exits through the pipeline 202 and the housing 101. When the sealing structure 4 needs to be disassembled, the nut 105 inside the installation groove 204 is loosened and taken out, and the connecting ring 201 is moved to one side, so that the threaded rod 103 is away from the threaded hole 205, and the connecting port 102 is separated from the connecting ring 201. At this time, the sealing structure 4 can be directly taken out from the inside of the housing 101, and the connecting layer 403 inside the first embedding groove 404 is hooked out by a tool, so as to bring out the sealing layer 402 inside the second embedding groove 405. A new sealing layer 402 is embedded on the surface of the sealing plate 401, and then it is fixed through the threaded rod 103 and the nut 105.

[0025] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A quick replacement sealing component for a pneumatic O - type ball valve, characterized in that: It includes a valve body (1), on the upper surface of which a ball valve body (3) is embedded and installed. On both side surfaces of the valve body (1), connection structures (2) are fixedly installed. There are two groups of the connection structures (2). Inside the valve body (1) at both side positions, sealing structures (4) are embedded and installed. There are two groups of the sealing structures (4).

2. The quick-change seal assembly of a pneumatic O-shaped ball valve according to claim 1, characterized in that: The valve body (1) includes a housing (101), connection ports (102), threaded rods (103), fixing rings (104), nuts (105), and first sealing rings (106). On both side surfaces of the housing (101), connection ports (102) are fixedly installed. On one side surface of the connection port (102), a fixing ring (104) is fixedly installed. Inside the fixing ring (104) on one side surface of the connection port (102), a first sealing ring (106) is embedded and installed. Inside the connection port (102) and inside the first sealing ring (106), threaded rods (103) are fixedly installed. There are four groups of the threaded rods (103).

3. The quick replacement sealing assembly of a pneumatic O-shaped ball valve according to claim 2, characterized in that: The connection structure (2) includes a connection ring (201), a pipe (202), a second sealing ring (203), an installation groove (204), and a screw hole (205). Inside the inner surface of the connection ring (201), a pipe (202) is embedded and installed. On one side surface of the connection ring (201), installation grooves (204) are formed. There are four groups of the installation grooves (204). On one side of the installation grooves (204) on one side surface of the connection ring (201), screw holes (205) are formed. On the other side surface of the connection ring (201), a second sealing ring (203) is fixedly installed.

4. The quick-change seal assembly of a pneumatic O-ball valve according to claim 3, characterized in that: The ball valve body (3) includes a drive rod (301) and a valve body (302). On the lower surface of the drive rod (301), a valve body (302) is fixedly installed.

5. The quick replacement seal assembly of a pneumatic O-shaped ball valve according to claim 4, characterized in that: The valve body (1) and the connection structure (2) are installed by embedding the threaded rods (103) into the screw holes (205). There are four groups of nuts (105). The nuts (105) are respectively sleeved on the surfaces of the threaded rods (103) and embedded inside the installation grooves (204). The second sealing ring (203) is located between the threaded rods (103). The drive rod (301) is embedded and installed on the surface of the housing (101). The valve body (302) is embedded and installed inside the housing (101).

6. The quick replacement sealing assembly of a pneumatic O - type ball valve according to claim 5, characterized in that: The sealing structure (4) includes a sealing plate (401), a sealing layer (402), a connecting layer (403), a first embedding groove (404), and a second embedding groove (405). Second embedding grooves (405) are formed on both sides of the surface of the sealing plate (401). There are two groups of the second embedding grooves (405), and sealing layers (402) are embedded and installed inside the second embedding grooves (405). A first embedding groove (404) is formed on the surface of the sealing plate (401) between the sealing layers (402), and a connecting layer (403) is fixedly connected between the sealing layers (402) inside the first embedding groove (404).

7. The quick-change seal assembly of a pneumatic O-shaped ball valve according to claim 6, characterized in that: The sealing structure (4) is embedded and installed on the inner surface of the connection port (102) through the sealing plate (401), and is located on one side surface of the second sealing ring (203).

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