CN220249106U - Pneumatic stop valve convenient to close - Google Patents
Pneumatic stop valve convenient to close Download PDFInfo
- Publication number
- CN220249106U CN220249106U CN202321687979.5U CN202321687979U CN220249106U CN 220249106 U CN220249106 U CN 220249106U CN 202321687979 U CN202321687979 U CN 202321687979U CN 220249106 U CN220249106 U CN 220249106U
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- Prior art keywords
- wall
- stop valve
- pneumatic
- valve body
- valve
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- 239000012530 fluid Substances 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses a pneumatic stop valve convenient to close, and relates to the technical field of pneumatic stop valves. According to the utility model, the screw rod in the transmission mechanism can be driven to rotate by the pneumatic motor, so that the piston in the sealing mechanism below the screw rod can block the fluid opening, the problem of difficult closing caused by the hand wheel and the valve rod can be solved, the stop valve body is more convenient to close, and the practicability is higher.
Description
Technical Field
The utility model relates to the technical field of pneumatic stop valves, in particular to a pneumatic stop valve convenient to close.
Background
The opening and closing member of the pneumatic stop valve is a plug-shaped valve clack, the sealing surface is a plane or a conical surface, the valve clack moves linearly along the central line of the fluid, the valve rod moves in a lifting rod type (the valve rod is lifted and the hand wheel is not lifted), and the lifting and rotating rod type (the hand wheel and the valve rod rotate together to lift and lower, and the nut is arranged on the valve body) is arranged, and the stop valve is only suitable for full opening and full closing and is not allowed to be regulated and throttled.
When the pneumatic stop valve is required to be closed in use, if the condition of large flow is met, the resistance to the rotation of the valve rod driven by the hand wheel is large, the rotation difficulty is caused, the stop valve cannot be closed immediately in a certain time, or the pneumatic stop valve is difficult to close, and the practicability is low, so that the pneumatic stop valve convenient to close is required to meet the demands of people.
Disclosure of Invention
The utility model aims to provide a pneumatic stop valve convenient to close, so as to solve the problems that when the pneumatic stop valve is required to be closed in the prior art, if the situation of large flow is met, the resistance of a hand wheel driving a valve rod to rotate is large, the situation of difficult rotation occurs, and the stop valve cannot be closed immediately within a certain time or is difficult to close, and the practicability is low.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pneumatic stop valve convenient to close, includes the stop valve body, the center department of stop valve body upper surface installs the installation casing, limit opening has been seted up to the top of stop valve body inner wall, limit opening extends to in the installation casing, the valve gap is installed to the top of installation casing, the top intercommunication of valve gap is provided with the mounting box, be provided with drive mechanism in the mounting box, the spout has all been seted up to the left and right sides of valve gap inner wall, two equal slidable mounting of inner wall of spout has the slider, the arc is installed to the top of stop valve body inner wall left side, the arc is installed to the below on stop valve body inner wall right side, two the shutoff board is installed jointly to the opposite one side of arc, fluid opening has been seted up to the upper surface of shutoff board, the top of shutoff board is provided with sealing mechanism.
Preferably, the transmission mechanism comprises a pneumatic motor, the pneumatic motor is arranged on one side of the lower surface of the installation box, the output end of the pneumatic motor penetrates through one side of the lower surface of the installation box and extends to the inside of the installation box, a first driving gear is rotatably arranged on the left side below the inner wall of the installation box, the lower surface of the first driving gear is fixed with the output end of the pneumatic motor, a rotating shaft is rotatably arranged on the left side of the inner wall of the installation box, a first driven gear is arranged on the shaft wall of the rotating shaft, a second driving gear is arranged on the right end of the rotating shaft, a second driven gear is rotatably arranged above the inner wall of the installation box, the first driving gear is in meshed installation with the opposite side of the first driven gear, and a screw rod is arranged on the lower surface of the second driven gear.
Preferably, the sealing mechanism comprises a moving block, the inner wall of the moving block is in threaded connection with the rod wall of the screw rod, the left side and the right side of the moving block are fixed with the upper surface of the corresponding sliding block through guide rods, the L-shaped connecting rods are mounted on the opposite sides of the two sliding blocks, the lower ends of the two L-shaped connecting rods are jointly provided with a fixing plate, and the lower surface of the fixing plate is provided with a piston.
Preferably, the mounting flange plates are mounted on the left side and the right side of the outer wall of the stop valve body.
Preferably, a sealing gasket is arranged on the upper surface of the fixing plate, and the sealing gasket is made of rubber materials.
Preferably, a fixed block is arranged on the left side surface of the valve cover, a sleeve block is arranged on the left side surface of the fixed block, and the inner wall of the sleeve block is sleeved with the outer wall of the pneumatic motor.
Preferably, the size of the piston is matched with the size of the fluid opening, and the size of the sealing gasket is larger than the size of the limit opening.
The beneficial effects of the utility model are as follows:
according to the utility model, through the arrangement of the stop valve body, the mounting shell, the limiting opening, the valve cover, the mounting box, the sliding groove, the sliding block, the arc plate, the plugging plate, the fluid opening, the sealing mechanism and the transmission mechanism, the screw rod in the transmission mechanism can be driven by the pneumatic motor to rotate, so that the piston in the sealing mechanism below the screw rod plugs the fluid opening, the problem of difficult closing caused by the hand wheel and the valve rod can be solved, the stop valve body is more convenient to close, and the practicability is higher.
According to the utility model, through the arrangement of the sealing gasket, and the sealing gasket is made of rubber, the rubber has a strong waterproof effect, when the stop valve body is opened, the piston is driven by the motor to leave the fluid opening, and when the piston leaves completely, the sealing gasket is compressed and the limiting opening is completely blocked, so that the fluid is prevented from entering the installation shell.
Drawings
FIG. 1 is a schematic perspective view of a pneumatic stop valve according to the present utility model;
FIG. 2 is a schematic side view of a pneumatic stop valve according to the present utility model;
FIG. 3 is a schematic cross-sectional front view of a pneumatic stop valve according to the present utility model;
fig. 4 is an enlarged schematic view of the pneumatic stop valve of fig. 2 a for easy closing.
In the figure: 1. a shutoff valve body; 2. a mounting shell; 3. a limit opening; 4. a valve cover; 5. a mounting box; 6. a pneumatic motor; 7. a first drive gear; 8. a rotating shaft; 9. a first driven gear; 10. a second drive gear; 11. a second driven gear; 12. a screw rod; 13. a chute; 14. a slide block; 15. a moving block; 16. a guide rod; 17. an L-shaped connecting rod; 18. a fixing plate; 19. a piston; 20. an arc-shaped plate; 21. a plugging plate; 22. a fluid opening; 23. a sealing gasket; 24. installing a flange plate; 25. a fixed block; 26. and (5) sleeving the blocks.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, a pneumatic stop valve convenient to close, including stop valve body 1, install installation casing 2 in the center department of stop valve body 1 upper surface, limit opening 3 has been seted up to the top of stop valve body 1 inner wall, limit opening 3 extends to in the installation casing 2, valve gap 4 is installed to the top of installation casing 2, the top intercommunication of valve gap 4 is provided with mounting box 5, be provided with drive mechanism in the mounting box 5, spout 13 has all been seted up to the left and right sides of valve gap 4 inner wall, the equal slidable mounting of inner wall of two spouts 13 has slider 14, arc 20 is installed to the top of stop valve body 1 inner wall left side, arc 20 is installed to the below on stop valve body 1 inner wall right side, the shutoff plate 21 is installed jointly to two opposite one sides, fluid opening 22 has been seted up to the upper surface of shutoff plate 21, seal mechanism is provided with the top of shutoff plate 21, can drive the lead screw 12 rotation in the drive mechanism through pneumatic motor 6, thereby make piston 19 in the lead screw 12 below seal mechanism with fluid opening 22, set up the hand wheel and shut up the problem that can lead to the high practicality of the valve to be closed with the hand wheel 1, the higher difficulty is overcome, the valve that can be more convenient for close the valve is more difficult like this.
As shown in fig. 1, the mounting flange 24 is installed on both sides of the outer wall of the stop valve body 1, so that the stop valve body 1 and an external pipeline are connected with each other, the mounting is convenient, the left side surface of the valve cover 4 is provided with the fixing block 25, the left side surface of the fixing block 25 is provided with the sleeve block 26, the inner wall of the sleeve block 26 is sleeved with the outer wall of the pneumatic motor 6, the position of the pneumatic motor 6 can be fixed, the position deviation is prevented when the pneumatic motor is used, and the stability of equipment is ensured.
As shown in fig. 3, the sealing pad 23 is mounted on the upper surface of the fixing plate 18, the sealing pad 23 is made of rubber material, the material of the sealing pad 23 is rubber, because the rubber has a strong waterproof effect, when the stop valve body 1 is opened, the piston 19 is separated from the fluid opening 22 by motor transmission, when the piston is completely separated from the fluid opening 22, the sealing pad 23 is already compressed and the limit opening 3 is completely blocked, fluid is prevented from entering the installation housing 2, the size of the piston 19 is matched with that of the fluid opening 22, and the size of the sealing pad 23 is larger than that of the limit opening 3, so that the effectiveness of blocking inside the stop valve body 1 can be ensured.
The working principle of the utility model is as follows: when the device is used, fluid enters from the left side of the stop valve body 1, passes through the blocking plate 21 between the two arc plates 20, flows out through the fluid opening 22 on the blocking plate 21, and flows out of the stop valve body 1 from the right side of the stop valve body 1;
when the fluid is required to be plugged, the pneumatic motor 6 is turned on, the output end of the pneumatic motor 6 drives the first driving gear 7 to rotate, the first driving gear 7 rotates to drive the rotating shaft 8 to rotate together with the first driven gear 9, the rotating shaft 8 rotates to drive the second driving gear 10 to rotate, the second driving gear 10 rotates to drive the second driven gear 11 to rotate, the lower screw rod 12 is further rotated, and under the limit of the sliding blocks 14 in the sliding grooves 13 on the two sides of the inner wall of the valve cover 4, the moving block 15 moves downwards together with the guide rod 16, and the two sliding blocks 14 move downwards to drive the corresponding L-shaped connecting rods 17 to move downwards;
the two L-shaped connecting rods 17 drive the fixed plate 18 below to move downwards, so that the piston 19 below the fixed plate 18 enters the fluid opening 22 on the plugging plate 21, the fluid opening 22 is plugged, the fluid cannot pass through, the operation is convenient, the problem that closing is difficult due to fluid resistance does not occur, the plugging is rapid, the practicability is high, and when the stop valve body 1 is opened, the sealing gasket 23 above the fixed plate 18 is contacted with the lower part of the limiting opening 3, the limiting opening 3 is sealed, and the fluid cannot enter the installation shell 2 through the limiting opening 3.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. Pneumatic stop valve convenient to close, including stop valve body (1), its characterized in that: install installation casing (2) in the center department of stop valve body (1) upper surface, limit opening (3) have been seted up to the top of stop valve body (1) inner wall, limit opening (3) extend to in installation casing (2), valve gap (4) are installed to the top of installation casing (2), the top intercommunication of valve gap (4) is provided with mounting box (5), be provided with drive mechanism in mounting box (5), spout (13) have all been seted up on the left and right sides of valve gap (4) inner wall, two equal slidable mounting of inner wall of spout (13) has slider (14), arc (20) are installed to the top on stop valve body (1) inner wall left side, arc (20) are installed to the below on stop valve body (1) inner wall right side, two arc (20) are installed closure plate (21) jointly to one side relatively, fluid opening (22) have been seted up to the upper surface of closure plate (21), the top of closure plate (21) is provided with sealing mechanism.
2. A pneumatic shut-off valve for facilitating closure as set forth in claim 1 wherein: the transmission mechanism comprises a pneumatic motor (6), the pneumatic motor (6) is arranged on one side of the lower surface of the installation box (5), the output end of the pneumatic motor (6) penetrates through one side of the lower surface of the installation box (5) and extends to the inside of the installation box, a first driving gear (7) is installed on the left side of the lower side of the inner wall of the installation box (5) in a rotating mode, the lower surface of the first driving gear (7) is fixed with the output end of the pneumatic motor (6), a rotating shaft (8) is installed on the left side of the inner wall of the installation box (5) in a rotating mode, a first driven gear (9) is installed on the shaft wall of the rotating shaft (8), a second driving gear (10) is installed on the right end of the rotating shaft (8), a second driven gear (11) is installed on the upper side of the inner wall of the installation box (5) in a rotating mode, a corresponding side of the first driving gear (7) and the first driven gear (9) is installed in a meshed mode, a corresponding side of the second driving gear (10) and the second driven gear (11) is installed in a meshed mode, and a screw (12) is installed on the lower surface of the second driven gear (11).
3. A pneumatic shut-off valve for facilitating closing as defined in claim 2 wherein: the sealing mechanism comprises a moving block (15), the inner wall of the moving block (15) is in threaded connection with the rod wall of the screw rod (12), the left side and the right side of the moving block (15) are fixed with the upper surface of a corresponding sliding block (14) through guide rods (16), L-shaped connecting rods (17) are mounted on the opposite sides of the two sliding blocks (14), fixing plates (18) are mounted at the lower ends of the L-shaped connecting rods (17) together, and pistons (19) are mounted on the lower surfaces of the fixing plates (18).
4. A pneumatic shut-off valve for facilitating closure as set forth in claim 1 wherein: the left side and the right side of the outer wall of the stop valve body (1) are provided with mounting flanges (24).
5. A pneumatic shut-off valve for facilitating closure as defined in claim 3 wherein: the upper surface of the fixing plate (18) is provided with a sealing gasket (23), and the sealing gasket (23) is made of rubber materials.
6. A pneumatic shut-off valve for facilitating closing as defined in claim 2 wherein: the left side surface mounting of valve gap (4) has fixed block (25), the left side surface mounting of fixed block (25) has cover piece (26), the inner wall of cover piece (26) cup joints with the outer wall of pneumatic motor (6).
7. A pneumatic shut-off valve for facilitating closure as defined in claim 5 wherein: the size of the piston (19) is matched with the size of the fluid opening (22), and the size of the sealing gasket (23) is larger than the size of the limit opening (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321687979.5U CN220249106U (en) | 2023-06-30 | 2023-06-30 | Pneumatic stop valve convenient to close |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321687979.5U CN220249106U (en) | 2023-06-30 | 2023-06-30 | Pneumatic stop valve convenient to close |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220249106U true CN220249106U (en) | 2023-12-26 |
Family
ID=89266415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321687979.5U Active CN220249106U (en) | 2023-06-30 | 2023-06-30 | Pneumatic stop valve convenient to close |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220249106U (en) |
-
2023
- 2023-06-30 CN CN202321687979.5U patent/CN220249106U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |