CN217898801U - Pneumatic high pressure difference regulating valve - Google Patents
Pneumatic high pressure difference regulating valve Download PDFInfo
- Publication number
- CN217898801U CN217898801U CN202221761215.1U CN202221761215U CN217898801U CN 217898801 U CN217898801 U CN 217898801U CN 202221761215 U CN202221761215 U CN 202221761215U CN 217898801 U CN217898801 U CN 217898801U
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- Prior art keywords
- valve
- fixedly connected
- limiting plate
- pneumatic high
- screw thread
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- 230000001105 regulatory effect Effects 0.000 title claims description 11
- 239000012528 membrane Substances 0.000 claims abstract description 24
- 230000006978 adaptation Effects 0.000 claims abstract description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 17
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 17
- 241001330002 Bambuseae Species 0.000 claims description 17
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 17
- 239000011425 bamboo Substances 0.000 claims description 17
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000000243 solution Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a pneumatic high pressure difference governing valve, include the support frame and install membrane chamber and the disk seat at support frame upper surface and lower surface respectively, the inner wall sliding connection of membrane chamber has the valve rod, and the lower extreme of valve rod extends to the inside of disk seat to fixedly connected with case, the valve groove with case looks adaptation is seted up to the inner wall of disk seat, the upper end fixedly connected with linkage plate of valve rod. This pneumatic high pressure difference governing valve, when outside intake pipe or cylinder damage, the clockwise rotation screw thread post, it shifts up to drive the limiting plate, order about the stopper and contact with the limiting plate, continue the clockwise rotation screw thread post, thereby can drive limiting plate tractive valve rod and shift up, and then can make the case break away from the valve clack, make the valve open, when the valve is closed to needs, the anticlockwise rotation screw thread post, make limiting plate and backup pad contact, continue the anticlockwise rotation screw thread post, can order about case and valve clack contact, thereby can close the valve, utilize this kind of mode can be when intake pipe and cylinder damage, manual closing and opening the valve.
Description
Technical Field
The utility model relates to the technical field of valves, specifically a pneumatic high pressure differential governing valve.
Background
The pneumatic high differential pressure regulating valve takes compressed gas as a power source, takes a cylinder as an actuator, and drives a valve by means of accessories such as a valve positioner, a converter, an electromagnetic valve, a position retaining valve, a gas storage tank, a gas filter and the like to realize switching value or proportional regulation.
When an air cylinder or an air pipe of an existing pneumatic high-pressure-difference regulating valve is damaged, if no air is used as a power source, the pneumatic high-pressure-difference regulating valve cannot be opened or closed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pneumatic high pressure differential governing valve to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pneumatic high pressure difference governing valve, include the support frame and install membrane chamber and the disk seat at support frame upper surface and lower surface respectively, the inner wall sliding connection of membrane chamber has the valve rod, the lower extreme of valve rod extends to the inside of disk seat, and fixedly connected with case, the valve slot with case looks adaptation is seted up to the inner wall of disk seat, the upper end fixedly connected with linkage plate of valve rod, the upper surface of linkage plate is fixedly connected with diaphragm and connecting rod respectively, the last fixed surface of membrane chamber is connected with a linking section of thick bamboo, the upper end of connecting rod extends to the inside of a linking section of thick bamboo, and fixedly connected with backup pad, the last fixed surface of backup pad is connected with the slip post, the upper end threaded connection of a linking section of thick bamboo has the screw thread post, the lower extreme of screw thread post extends to the inside of a linking section of thick bamboo, and the rotation connection has the limiting plate, the gliding spacing hole of confession slip post is seted up on the surface of limiting plate, and fixedly connected with stopper.
Preferably, the surface of the membrane is fixedly connected with the inner wall of the membrane chamber.
Preferably, the upper surface of the membrane chamber is provided with a gas injection hole, and the upper end of the threaded column is fixedly connected with a handle.
Preferably, the surface of the valve rod is sleeved with a compression spring, one end of the compression spring is fixedly connected with the inner bottom wall of the membrane chamber, and the other end of the compression spring is fixedly connected with the lower surface of the connecting plate.
Preferably, the upper surface of the limiting plate is fixedly connected with a limiting ruler, the upper end of the joining cylinder is provided with a through groove for the limiting ruler to pass through, and the surface of the limiting ruler is provided with limiting scale marks.
Preferably, the number of the sliding columns is four, and the four sliding columns are arranged on the upper surface of the supporting plate in a circumferential array.
Advantageous effects
The utility model provides a pneumatic high pressure differential governing valve possesses following beneficial effect:
1. this pneumatic high pressure difference governing valve, through setting up the screw thread post and linking a section of thick bamboo, when outside intake pipe or cylinder damage, clockwise rotation screw thread post, it shifts up to drive the limiting plate, order about the stopper and contact with the limiting plate, continue clockwise rotation screw thread post, thereby can drive the limiting plate tractive valve rod and shift up, and then can make the case break away from the valve groove, make the valve open, when the valve is closed to needs, anticlockwise rotation screw thread post, make limiting plate and backup pad contact, continue anticlockwise rotation screw thread post, can order about case and valve groove contact, thereby can close the valve, utilize this kind of mode can be when intake pipe and cylinder damage, manual closing and opening valve.
2. This pneumatic high pressure difference governing valve through setting up the spacing chi, when the limiting plate is when removing, can drive the spacing chi and remove in leading to the groove, when the spacing scale mark on spacing chi surface remove to and link up a section of thick bamboo upper end parallel and level, this position is the position that the limiting plate resets, has avoided the limiting plate excessively to move down or rise and has influenced the device and ventilate back limiting plate interference stopper and backup pad removal.
Drawings
FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;
FIG. 2 is a schematic view of the three-dimensional structure of the connecting cylinder of the present invention;
fig. 3 is an enlarged schematic view of a portion a in fig. 1.
In the figure: the device comprises a support frame 1, a membrane chamber 2, a valve seat 3, a valve rod 4, a valve core 5, a connecting plate 6, a membrane 7, a connecting rod 8, a connecting cylinder 9, a support plate 10, a sliding column 11, a threaded column 12, a limiting plate 13, a limiting block 14, a compression spring 15, a limiting ruler 16 and a limiting scale mark 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a pneumatic high pressure differential governing valve, include support frame 1 and install membrane chamber 2 and disk seat 3 at 1 upper surface of support frame and lower surface respectively, the gas injection hole has been seted up to the upper surface of membrane chamber 2, the inner wall sliding connection of membrane chamber 2 has valve rod 4, the lower extreme of valve rod 4 extends to the inside of disk seat 3, and fixedly connected with case 5, the valve gate with case 5 looks adaptation is seted up to the inner wall of disk seat 3, the upper end fixedly connected with linkage plate 6 of valve rod 4, the surface cover of valve rod 4 is equipped with compression spring 15, the one end of compression spring 15 and the interior diapire fixed connection of membrane chamber 2, the other end of compression spring 15 and the lower fixed surface of linkage plate 6 are connected, the upper surface of linkage plate 6 is fixedly connected with diaphragm 7 and connecting rod 8 respectively, the surface of diaphragm 7 and the inner wall fixed connection of membrane chamber 2.
The upper surface fixedly connected with of membrane chamber 2 links up a section of thick bamboo 9, the upper end of connecting rod 8 extends to the inside that links up a section of thick bamboo 9, and fixedly connected with backup pad 10, the upper surface fixedly connected with slip post 11 of backup pad 10, the quantity of slip post 11 is four, four slip posts 11 are the upper surface of circumference array setting in backup pad 10, the upper end threaded connection who links up a section of thick bamboo 9 has screw thread post 12, the upper end fixedly connected with handle of screw thread post 12, the lower extreme of screw thread post 12 extends to the inside that links up a section of thick bamboo 9, and the swivelling joint has limiting plate 13, control atmospheric pressure in the membrane chamber 2, when atmospheric pressure increases, link up board 6 receives ordering about of atmospheric pressure, can drive valve rod 4 and remove down and close the valve, when the atmospheric pressure changes hour, compression spring 15 can order to about link up 6 and drive valve rod 4 and move up, open the valve.
The last fixed surface of limiting plate 13 is connected with spacing chi 16, link up the upper end of a section of thick bamboo 9 and offer the logical groove that supplies spacing chi 16 to pass through, spacing chi 16's surface is provided with spacing scale mark 17, the spacing hole that supplies slip post 11 to slide is offered on the surface of limiting plate 13, spacing hole is passed to the upper end of slip post 11, and fixedly connected with stopper 14 is through setting up spacing chi 16, when limiting plate 13 is when removing, can drive spacing chi 16 and remove in logical inslot, when spacing scale mark 17 on limiting plate 16 surface remove to and link up a section of thick bamboo 9 upper end parallel and level, the position that this position resets for limiting plate 13, limiting plate 13 has been avoided after limiting plate 13 excessively moves down or rises and influence the device to ventilate that limiting plate 13 interferes stopper 14 and backup pad 10 and removes.
Through setting up screw thread post 12 and linking a section of thick bamboo 9, when outside intake pipe or cylinder damage, clockwise rotation screw thread post 12, drive limiting plate 13 and shift up, order about stopper 14 and limiting plate 13 contact, continue clockwise rotation screw thread post 12, thereby can drive limiting plate 13 tractive valve rod 4 and move up, and then can make case 5 break away from the valve groove, make the valve open, when the valve is closed to needs, anticlockwise rotation screw thread post 12, make limiting plate 13 and backup pad 10 contact, continue anticlockwise rotation screw thread post 12, can order about case 5 and valve groove contact, thereby can close the valve, utilize this kind of mode can be when intake pipe and cylinder damage, manual closing and opening valve.
The working principle is as follows: when the pneumatic high pressure difference regulating valve is used, the air pressure in the membrane chamber 2 is controlled by an external control system, when the air pressure is increased, the connecting plate 6 is driven by the air pressure to drive the valve rod 4 to move downwards to close the valve, when the air pressure is reduced, the compression spring 15 can drive the connecting plate 6 to move upwards to drive the valve rod 4 to move upwards to open the valve, when an external air inlet pipe or an air cylinder is damaged, the threaded column 12 is rotated clockwise to drive the limiting plate 13 to move upwards, the limiting block 14 is driven to be in contact with the limiting plate 13, the threaded column 12 is continuously rotated clockwise, the limiting plate 13 can be driven to pull the valve rod 4 to move upwards, the valve core 5 can be separated from the valve groove, the valve is opened, when the valve needs to be closed, the threaded column 12 is rotated anticlockwise to enable the limiting plate 13 to be in contact with the supporting plate 10, the threaded column 12 is continuously rotated anticlockwise to drive the valve core 5 to be in contact with the valve groove, meanwhile, when the limiting plate 13 needs to be reset, the threaded column 12 is rotated to drive the connecting plate 6 to move, when the limiting plate 13 moves, the limiting ruler 16 moves in the through groove, the limiting ruler moves to be flush with the limiting plate 13, and the limiting plate 13 is prevented from moving after the limiting plate 13 moves, and the limiting plate 13 moves to be in the limiting plate moves to be flush with the limiting plate 13.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a pneumatic high pressure difference governing valve, includes support frame (1) and installs membrane chamber (2) and disk seat (3) at support frame (1) upper surface and lower surface respectively, its characterized in that: the inner wall sliding connection of membrane chamber (2) has valve rod (4), the lower extreme of valve rod (4) extends to the inside of disk seat (3), and fixedly connected with case (5), the valve slot with case (5) looks adaptation is seted up to the inner wall of disk seat (3), upper end fixedly connected with linkage plate (6) of valve rod (4), the upper surface difference fixedly connected with diaphragm (7) and connecting rod (8) of linkage plate (6), the last fixed surface of membrane chamber (2) is connected with links up a section of thick bamboo (9), the upper end of connecting rod (8) extends to the inside that links up a section of thick bamboo (9), and fixedly connected with backup pad (10), the last fixed surface of backup pad (10) is connected with slip post (11), the upper end threaded connection of linking up a section of thick bamboo (9) has screw thread post (12), the lower extreme of screw thread post (12) extends to the inside that links up a section of thick bamboo (9), and rotate and be connected with limiting plate (13), the gliding spacing hole of confession slip post (11) is seted up on the surface of limiting plate (13), the upper end of slip post (11) passes spacing hole, and fixed connection has stopper (14).
2. A pneumatic high differential pressure regulating valve according to claim 1, wherein: the surface of the diaphragm (7) is fixedly connected with the inner wall of the diaphragm chamber (2).
3. A pneumatic high differential pressure regulating valve according to claim 1, wherein: the upper surface of the membrane chamber (2) is provided with a gas injection hole, and the upper end of the threaded column (12) is fixedly connected with a handle.
4. A pneumatic high differential pressure regulating valve according to claim 1, wherein: the surface cover of valve rod (4) is equipped with compression spring (15), and the one end of compression spring (15) and the interior diapire fixed connection of membrane chamber (2), the other end and the lower surface fixed connection of connection plate (6) of compression spring (15).
5. A pneumatic high differential pressure regulating valve according to claim 1, wherein: the upper surface of the limiting plate (13) is fixedly connected with a limiting ruler (16), the upper end of the connecting cylinder (9) is provided with a through groove for the limiting ruler (16) to pass through, and the surface of the limiting ruler (16) is provided with a limiting scale mark (17).
6. A pneumatic high differential pressure regulating valve according to claim 1, wherein: the number of the sliding columns (11) is four, and the four sliding columns (11) are arranged on the upper surface of the supporting plate (10) in a circumferential array mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221761215.1U CN217898801U (en) | 2022-07-08 | 2022-07-08 | Pneumatic high pressure difference regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221761215.1U CN217898801U (en) | 2022-07-08 | 2022-07-08 | Pneumatic high pressure difference regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217898801U true CN217898801U (en) | 2022-11-25 |
Family
ID=84134621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221761215.1U Expired - Fee Related CN217898801U (en) | 2022-07-08 | 2022-07-08 | Pneumatic high pressure difference regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217898801U (en) |
-
2022
- 2022-07-08 CN CN202221761215.1U patent/CN217898801U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221125 |