Valve element structure of pneumatic valve

Abstract

The utility model belongs to the field of valve elements, particularly relates to a valve element structure of a pneumatic valve, and aims to solve the problems that an existing valve element structure is complex, the pneumatic valve is inconvenient to adjust when needing to be adjusted, and the valve element structure of the existing valve element structure is precise, tightly connected with the pneumatic valve and inconvenient to disassemble. The check valve comprises a left valve body, a right valve body, four supporting columns, a first top plate and a second top plate, the sides, close to each other, of the left valve body and the right valve body are matched with each other and provided with sealing gaskets, the same valve block is movably arranged between the left valve body and the right valve body, and the top of the valve block is fixedly connected with the same valve rod; the top of the left valve body and the top of the right valve body are each provided with the same rectangular hole, a valve element in the pneumatic valve can be conveniently adjusted, then the medium circulation rate in the pneumatic valve can be conveniently controlled, good circulation of media is guaranteed, the pneumatic valve can be conveniently disassembled, and parts in the pneumatic valve can be conveniently disassembled, assembled and overhauled.

Description

Technical Field

[0001] The utility model relates to the technical field of valve cores, in particular to a valve core structure of a pneumatic valve. Background Art

[0002] Pneumatic valves are widely used in various industrial fields, such as chemical, petroleum, electric power, metallurgy, pharmaceutical, food, etc., to control the flow of liquid, gas, steam and other media, and play the role of regulation, interception, and guidance. Pneumatic valves have the advantages of fast response speed, high control accuracy, and high pressure resistance, so they are widely used in industrial automation control systems.

[0003] A pneumatic valve is a valve driven by pneumatic force and is used to control the flow and direction of fluid in a pipeline system. The pneumatic valve core is a key component of the pneumatic valve, which is responsible for controlling the flow of fluid in the pipeline. However, the existing valve core has the following problems: the valve core structure is relatively complex, which is inconvenient when the pneumatic valve needs to be adjusted, and the valve core structure is precise and tightly connected to the pneumatic valve, making it inconvenient to disassemble it. Utility Model Content

[0004] The utility model aims to solve the shortcomings of the prior art that the structure is relatively complex, the pneumatic valve is inconvenient to adjust, and the valve core structure is precise and tightly connected to the pneumatic valve, making it inconvenient to disassemble, and proposes a pneumatic valve core structure.

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

[0006] A pneumatic valve core structure, comprising a left valve body, a right valve body, four supporting columns, a No. 1 top plate and a No. 2 top plate, the sides of the left valve body and the right valve body being close to each other fit each other and are provided with a sealing gasket, a same valve block is movably provided between the left valve body and the right valve body, a same valve stem is fixedly connected to the top of the valve block, a same rectangular hole is opened on the top of the left valve body and the right valve body, the top of the valve stem passes through the rectangular hole and extends to the top of the No. 1 top plate and the No. 2 top plate, the valve stem slides with the No. 1 top plate and the No. 2 top plate respectively, the No. 1 top plate is fixedly connected to one end of the two supporting columns by a No. 1 bolt, the sides of the No. 1 top plate and the No. 2 top plate being close to each other are tightly attached, and the bottom of the No. 2 top plate is fixedly connected to one end of the two supporting columns;

[0007] The regulating mechanism is arranged on the valve body and is used for regulating the valve core.

[0008] In a possible design, the adjustment mechanism includes a rotating handle, a shielding cover, a No. 1 bevel gear, a No. 2 bevel gear, a threaded column and a sleeve plate. The bottom of the shielding cover is fixedly connected to the top of the No. 2 top plate, one side of the rotating handle is fixedly connected to the No. 1 column, one end of the No. 1 column passes through one side of the shielding cover and is rotatably connected to the inner wall of the other side of the shielding cover, the No. 1 bevel gear is fixedly sleeved on the No. 1 column, the No. 1 bevel gear and the No. 2 bevel gear are meshed with each other, the No. 2 bevel gear is fixedly sleeved with the No. 2 column, one end of the No. 2 column passes through the top of the No. 2 top plate and is fixedly connected to one end of the threaded column, the No. 2 column is rotatably connected to the No. 2 top plate, the other end of the threaded column is rotatably connected to the top of the No. 2 top plate, the sleeve plate is threadedly sleeved on the threaded column, and one side of the sleeve plate is tightly attached to the outer side of the valve stem.

[0009] In a possible design, one side of the sleeve plate is fixedly connected to a fixing plate via a No. 2 bolt, and one side of the fixing plate is in close contact with the outer side of the valve stem.

[0010] In a possible design, the front and rear sides of the right valve body and the left valve body are fixedly connected with mounting plates, and the four mounting plates are fixedly connected by No. 3 bolts respectively.

[0011] In a possible design, the right valve body and the inner wall of the rectangular hole of the right valve body are fixedly connected with a connecting plate, and the connecting plate is divided into two parts. The two parts of the connecting plate are close to each other and a sliding hole is opened on one side to facilitate the movement of the valve stem. A sealing gasket is fixedly arranged on the inner wall of the sliding hole.

[0012] In a possible design, a plurality of grooves are provided on the outer side of the rotating handle to facilitate its rotation.

[0013] When the cam is in use, the two valve bodies are connected to the pipelines respectively. When the flow rate of the medium flowing in the valve body needs to be adjusted, the rotating handle is rotated through the groove. The rotating handle drives the No. 1 bevel gear to rotate. The No. 1 bevel gear drives the No. 2 bevel gear to rotate. The No. 2 bevel gear drives the threaded column to rotate through the No. 2 column. The threaded column drives the sleeve plate to rise and fall, and then drives the valve stem to rise and fall through the fixed plate. The valve stem drives the valve block to move on the inner wall of the valve body, and reduces the leakage of the medium through the sealing ring on the valve block. This makes it convenient to adjust the flow rate of the medium, and then facilitates the adjustment of the pneumatic valve to ensure the flow of the medium. Good. When it is necessary to disassemble and assemble the valve core in the valve body, unscrew the bolts on the mounting plate, and then unscrew the bolts on the No. 1 top plate, then unscrew the bolts between the fixed plate and the sleeve plate, remove the No. 1 top plate from the valve body, and remove the fixed plate, then separate the two valve bodies, remove the valve core from the valve body, and inspect it or replace it with a new one, and then re-fix and install it in the pneumatic valve. This makes it convenient to disassemble and assemble the internal parts of the pneumatic valve, extend the service life of the pneumatic valve, and ensure its long-term use. A connecting plate is set at the rectangular hole to reduce medium leakage and ensure the normal circulation of the medium.

[0014] The beneficial effects of the utility model are:

[0015] In the utility model, the adjustment mechanism and the mounting plate, as well as the fixing plate arranged on the sleeve plate, facilitate the adjustment of the valve core inside the pneumatic valve, thereby facilitating the control of the medium flow rate inside the pneumatic valve, ensuring good flow of the medium, and also facilitating the disassembly of the pneumatic valve, the disassembly and assembly and maintenance of its internal parts, thereby extending the service life of the valve core inside the pneumatic valve, and sealing gaskets and connecting plates are arranged at the two valve bodies and the rectangular holes to reduce medium leakage and ensure normal flow of the medium. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0017] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0018] Figure 3 It is a cross-sectional schematic diagram of the adjustment structure of the utility model;

[0019] Figure 4 It is an exploded view of the local structure of the utility model.

[0020] In the figure: 1. right valve body; 2. left valve body; 3. mounting plate; 4. support column; 5. top plate No. 1; 6. shielding cover; 7. rotating handle; 8. valve block; 9. connecting plate; 10. valve stem; 11. top plate No. 2; 12. bevel gear No. 1; 13. bevel gear No. 2; 14. threaded column; 15. sleeve plate; 16. fixing plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Embodiment 1

[0023] Reference Figure 1-Figure 4 , a valve core structure, comprising: a left valve body 2, a right valve body 1, four supporting columns 4, a No. 1 top plate 5 and a No. 2 top plate 11, the sides of the left valve body 2 and the right valve body 1 that are close to each other fit each other and are provided with a sealing gasket, a same valve block 8 is movably provided between the left valve body 2 and the right valve body 1, a same valve stem 10 is fixedly connected to the top of the valve block 8, a same rectangular hole is opened on the top of the left valve body 2 and the right valve body 1, the top of the valve stem 10 passes through the rectangular hole and extends to the top of the No. 1 top plate 5 and the No. 2 top plate 11, the valve stem 10 slides with the No. 1 top plate 5 and the No. 2 top plate 11 respectively, the No. 1 top plate 5 is fixedly connected to one end of the two supporting columns 4 by a No. 1 bolt, the No. 1 top plate 5 and the No. 2 top plate 11 that are close to each other are tightly attached to each other, and the bottom of the No. 2 top plate 11 is fixedly connected to one end of the two supporting columns 4;

[0024] The regulating mechanism is arranged on the valve body and is used for regulating the valve core.

[0025] The above technical scheme facilitates the adjustment of the valve core inside the pneumatic valve, and then facilitates the control of the medium flow rate inside the pneumatic valve to ensure the good circulation of the medium. It is also convenient for disassembly of the pneumatic valve, and facilitates the disassembly and assembly and maintenance of its internal parts, thereby extending the service life of the valve core inside the pneumatic valve. Sealing gaskets and connecting plates 9 are provided at the two valve bodies and the rectangular hole to reduce medium leakage and ensure the normal circulation of the medium.

[0026] Reference Figure 1-Figure 4The adjusting mechanism includes a rotating handle 7, a shielding cover 6, a first bevel gear 12, a second bevel gear 13, a threaded column 14 and a sleeve plate 15. The bottom of the shielding cover 6 is fixedly connected to the top of the second top plate 11, one side of the rotating handle 7 is fixedly connected to the first column, one end of the first column passes through one side of the shielding cover 6 and is rotatably connected to the inner wall of the other side of the shielding cover 6, the first bevel gear 12 is fixedly sleeved on the first column, the first bevel gear 12 and the second bevel gear 13 are meshed with each other, the second bevel gear 13 is fixedly sleeved with the second column, one end of the second column passes through the top of the second top plate 11 and is fixedly connected to one end of the threaded column 14, the second column is rotatably connected to the second top plate 11, the other end of the threaded column 14 is rotatably connected to the top of the second top plate 11, the sleeve plate 15 is threadedly sleeved on the threaded column 14, and one side of the sleeve plate 15 is in close contact with the outer side of the valve stem 10.

[0027] The above technical solution facilitates adjustment of the valve core inside the pneumatic valve through the adjustment mechanism, thereby facilitating control of the flow rate of the medium inside the pneumatic valve to ensure good flow of the medium.

[0028] The present application can be used in the valve core field, and can also be used in other fields applicable to the present application.

[0029] Embodiment 2

[0030] refer to Figure 1-Figure 4 , based on the improvement of the first embodiment, a pneumatic valve core structure is used in the valve core field:

[0031] Reference Figure 4 One side of the sleeve plate 15 is fixedly connected to a fixing plate 16 by a No. 2 bolt, and one side of the fixing plate 16 is in close contact with the outer side of the valve stem 10 .

[0032] The above technical solution, by arranging the fixing plate 16 on the sleeve plate 15, facilitates the movement of the valve core, and also facilitates the disassembly and assembly of the valve core, thereby facilitating the maintenance thereof.

[0033] Reference Figure 1-Figure 2 The front and rear sides of the right valve body 1 and the left valve body 2 are fixedly connected with mounting plates 3, and the four mounting plates 3 are fixedly connected by No. 3 bolts respectively.

[0034] The above technical solution, by arranging the mounting plates 3 on the two valve bodies, makes it easy to disassemble the valve bodies, and further facilitates the disassembly and assembly of the internal components.

[0035] Reference Figure 1-Figure 4 The right valve body 1 and the inner wall of the rectangular hole of the right valve body 1 are fixedly connected with a connecting plate 9, the connecting plate 9 is divided into two parts, and the two parts of the connecting plate 9 are close to each other. The same sliding hole is opened on the side for facilitating the movement of the valve stem 10, and a sealing gasket is fixedly arranged on the inner wall of the sliding hole.

[0036] The above technical solution, by arranging the connecting plate 9 at the rectangular hole, is convenient for reducing the flow leakage of the medium inside the pneumatic valve and ensuring the normal circulation of the medium.

[0037] Reference Figure 1-Figure 3 The outer side of the rotating handle 7 is provided with a plurality of grooves for facilitating its rotation.

[0038] The above technical solution provides a groove on the rotating handle 7, so that the rotating handle 7 is easy to fit with the fingers, thereby facilitating the rotation of the rotating handle.

[0039] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A pneumatic valve core structure, characterized in that: The invention comprises a left valve body (2), a right valve body (1), four support columns (4), a first top plate (5) and a second top plate (11); the sides of the left valve body (2) and the right valve body (1) that are close to each other fit each other and are provided with a sealing gasket; a valve block (8) is movably provided between the left valve body (2) and the right valve body (1); a valve stem (10) is fixedly connected to the top of the valve block (8); and a rectangular hole is provided on the top of the left valve body (2) and the right valve body (1). The top of the valve stem (10) passes through the rectangular hole and extends to the top of the No. 1 top plate (5) and the No. 2 top plate (11), and the valve stem (10) slides with the No. 1 top plate (5) and the No. 2 top plate (11) respectively. The No. 1 top plate (5) is fixedly connected to one end of the two support columns (4) by a No. 1 bolt. The sides of the No. 1 top plate (5) and the No. 2 top plate (11) that are close to each other are tightly attached to each other, and the bottom of the No. 2 top plate (11) is fixedly connected to one end of the two support columns (4); The regulating mechanism is arranged on the valve body and is used for regulating the valve core.

2. A pneumatic valve core structure according to claim 1, characterized in that: The adjusting mechanism comprises a rotating handle (7), a shielding cover (6), a first bevel gear (12), a second bevel gear (13), a threaded column (14) and a sleeve plate (15); the bottom of the shielding cover (6) is fixedly connected to the top of the second top plate (11); one side of the rotating handle (7) is fixedly connected to the first column; one end of the first column passes through one side of the shielding cover (6) and is rotatably connected to the inner wall of the other side of the shielding cover (6); the first bevel gear (12) is fixedly sleeved on the first column; the first bevel gear (13) is fixedly sleeved on the first column; the first bevel gear (14) is fixedly sleeved on the first column; the first bevel gear (13 ... bevel gear (13); the first bevel gear (13) is fixedly sleeved on the first column; the first bevel gear (13) is fixedly sleeved on the first bevel gear (13); the first bevel gear (13) is fixedly sleeved on the first bevel gear (13); the first bevel gear (13) is fixedly sleeved on the first bevel gear (13); the first bevel gear (13) is fixedly sleeved on the first bevel gear (13); the first bevel gear (13) is fixedly sleeved on the first bevel gear (13); the first bevel gear (13) is fixedly sleeved on the first bevel gear (1 The wheel (12) is meshed with the second bevel gear (13), and the second bevel gear (13) is fixedly sleeved with a second column, one end of the second column passes through the top of the second top plate (11) and is fixedly connected to one end of the threaded column (14), the second column is rotatably connected to the second top plate (11), and the other end of the threaded column (14) is rotatably connected to the top of the second top plate (11), and the sleeve plate (15) is threadedly sleeved on the threaded column (14), and one side of the sleeve plate (15) is tightly attached to the outer side of the valve stem (10).

3. A pneumatic valve core structure according to claim 2, characterized in that: One side of the sleeve plate (15) is fixedly connected to a fixing plate (16) via No. 2 bolts, and one side of the fixing plate (16) is in close contact with the outer side of the valve stem (10).

4. A pneumatic valve core structure according to claim 1, characterized in that: The front and rear sides of the right valve body (1) and the left valve body (2) are fixedly connected with mounting plates (3), and the four mounting plates (3) are fixedly connected by No. 3 bolts respectively.

5. The pneumatic valve core structure according to claim 1, characterized in that: The right valve body (1) and the inner wall of the rectangular hole of the right valve body (1) are fixedly connected with a connecting plate (9), and the connecting plate (9) is divided into two parts. The two parts of the connecting plate (9) are close to each other on one side and are provided with a sliding hole for facilitating the movement of the valve stem (10). A sealing gasket is fixedly arranged on the inner wall of the sliding hole.

6. A pneumatic valve core structure according to claim 2, characterized in that: The outer side of the rotating handle (7) is provided with a plurality of grooves for facilitating its rotation.

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