CN210739390U - Angle seat valve capable of adjusting pressure on line - Google Patents
Angle seat valve capable of adjusting pressure on line Download PDFInfo
- Publication number
- CN210739390U CN210739390U CN201921706038.5U CN201921706038U CN210739390U CN 210739390 U CN210739390 U CN 210739390U CN 201921706038 U CN201921706038 U CN 201921706038U CN 210739390 U CN210739390 U CN 210739390U
- Authority
- CN
- China
- Prior art keywords
- valve
- spring
- pressure
- cylinder
- piston
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Fluid-Driven Valves (AREA)
Abstract
The utility model relates to an angle seat valve capable of online pressure regulation, which comprises a valve body, a valve core and an actuating mechanism; the valve body is provided with a medium inlet and a medium outlet, a valve seat is arranged in the valve body, and the center of the valve seat is a communication port and communicated with the medium inlet and the medium outlet; the valve core comprises a valve rod and a valve head, and the actuating mechanism comprises a cylinder, a piston, a spring and a pressure adjusting mechanism; the air cylinder is provided with an air inlet hole and a matching hole for extending the valve rod, the piston is installed in the air cylinder and can move up and down, the piston is connected with the upper end of the valve rod, one end of the spring is in contact with the piston, the other end of the spring is connected with the pressure adjusting mechanism, and the pressure adjusting mechanism is configured to move along the telescopic direction of the spring and push the spring to move. The utility model discloses an actuating mechanism adopts adjustable structure, can adjust spring's elasticity, adapts to the operating condition under the different medium pressure condition.
Description
Technical Field
The utility model relates to a valve, especially a can online pressure regulating angle seat valve.
Background
As shown in fig. 1, the angle seat valve is a stop valve that opens and closes by introducing control gas with a certain pressure into an actuator to realize the opening and closing of a medium, and is also called a pneumatic control valve.
The pressure of the compressed air used for controlling the opening and closing of the valve is related to the spring force in the actuator and the medium pressure in the pipeline. When the angle seat valve is applied to different end customers, or different equipment, or different pipelines, the facing medium pressure is different, different control pressures are needed corresponding to different medium pressures, and generally, the higher the medium pressure in the pipeline is, the higher the needed control pressure is.
At present, two solutions are generally provided for the situation, one is to select actuators with different specifications to be assembled on a valve body so as to meet the requirements of different control pressures, the other method is to solve the problem from the spring force of the actuator, manufacturers provide various springs, and customers can select proper springs to assemble according to different medium pressures when using the valve. The first method causes various specifications to be selected, causes great troubles to the type selection and the use of the valve, does not actually have too many types to be selected, and only can select certain specifications within a certain range, thereby causing great resource waste; the second method requires the replacement of the spring, which requires a special tool, a relatively professional technician to calculate the spring force, select the spring, and then operate the spring, and there is a certain risk of operation during the field replacement.
The present invention is provided in view of this point.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a can online pressure regulating angle seat valve, can be according to medium pressure's big or small regulation control pressure, make it can adapt to different work condition, realize best work effect.
In order to realize the purpose, the utility model adopts the following technical scheme:
an angle seat valve capable of realizing online pressure regulation comprises a valve body, a valve core and an actuating mechanism;
the valve body is provided with a medium inlet and a medium outlet, a valve seat is arranged in the valve body, and the center of the valve seat is a communication port and communicated with the medium inlet and the medium outlet; the valve core comprises a valve rod and a valve head, the upper end of the valve rod is connected with an actuating mechanism, the lower end of the valve rod is connected with the valve head, the valve head is matched with a valve seat and used for opening or closing the communication port, and the actuating mechanism comprises a cylinder, a piston, a spring and a pressure adjusting mechanism; the air cylinder is fixedly connected with the valve body, an air inlet hole and a matching hole for extending the valve rod are formed in the air cylinder, the piston is installed in the air cylinder and can move up and down, the piston is connected with the upper end of the valve rod, the spring is installed on one side, back to the air inlet hole, of the piston, one end of the spring is in contact with the piston, the other end of the spring is connected with the pressure adjusting mechanism, and the pressure adjusting mechanism is configured to move along the stretching direction of the spring and pushes the spring to move.
Furthermore, the pressure adjusting mechanism comprises an adjusting bolt, a spring pressure pad and a locking nut, wherein the adjusting bolt is installed at the top end of the air cylinder and is in threaded fit with the air cylinder; the locking nut is positioned on the outer side of the cylinder and is in contact fit with the outer wall of the cylinder; one end of the spring is abutted against the spring pressure pad, and the spring pressure pad can be driven to move up and down by rotating the adjusting bolt.
Furthermore, the spring pressure pad is of a round table structure, so that one end of the spring is sleeved on the spring pressure pad.
Further, the central axis of the adjusting bolt and the central axis of the valve rod are on the same straight line.
Furthermore, a groove is formed in the spring pressure pad, a ball head is arranged at one end, located in the air cylinder, of the adjusting bolt, and the ball head is matched with the groove.
Further, the cylinder includes cylinder body, sealed lid and connecting seat, sealed lid and cylinder body sealing connection to constitute a confined air chamber jointly, air chamber and inlet port intercommunication, the upper end and the sealed lid of connecting seat are connected, and the lower extreme is connected with the valve body, and the center of connecting seat is equipped with a through-hole for the valve rod to pass.
Furthermore, a sealing sliding sleeve is arranged in the through hole of the connecting seat, and the sealing sliding sleeve is arranged on the valve rod and is in sliding fit with the valve rod.
Adopt technical scheme after, bring following beneficial effect:
1. the actuating mechanism of the utility model adopts an adjustable structure, can adjust the elasticity of the spring, is stepless adjustment, can change the shape of the spring in a large range and output different elasticity values;
2. the actuating mechanism of the utility model can realize locking after the adjustment is finished, so as to prevent the position of the actuating mechanism from changing due to vibration in the using process;
3. different control pressures can be realized by adjusting different spring forces generated by the actuating mechanism, the input pressure of compressed air can be reduced while sealing is ensured, the energy consumption of equipment is reduced, and the response is rapid.
4. The adjustment can be conveniently carried out on line, even in the working process.
Drawings
FIG. 1: the angle seat valve structure in the prior art is in a sectional view;
FIG. 2: the utility model has a structural section view;
wherein: 1. the valve comprises a valve body 2, a valve core 3, an actuator 4, a medium inlet 5, a medium outlet 11, a valve seat 12, a communication port 21, a valve rod 22, a valve head 31, a cylinder 32, a piston 33, a spring 34, a pressure adjusting mechanism 31a, an air inlet hole 341, an adjusting bolt 342, a locking nut 343, a spring pressure pad 311, a cylinder body 312, a sealing cover 313, a connecting seat 314 and a sealing sliding sleeve.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in figure 2, the angle seat valve capable of realizing online pressure regulation comprises a valve body 1, a valve core 2 and an actuating mechanism 3.
The medium inlet 4 and the medium outlet 5 are arranged on the valve body 1, the valve seat 11 is arranged in the valve body 1, the valve seat 11 is a circular ring-shaped structural body protruding from the inner wall of the valve body 1, and the center of the circular ring-shaped structural body is provided with a communicating port 12 and communicated with the medium inlet 4 and the medium outlet 5. The valve core 2 comprises a valve rod 21 and a valve head 22, the upper end of the valve rod 21 is connected with the actuator 3, the lower end of the valve rod is connected with the valve head 22, and the valve head 22 is matched with the valve seat 11 and used for opening or closing the communication port 12. The actuator 3 drives the valve rod 21 to move up and down, so that the communication port 12 is opened or closed.
Specifically, the actuator 3 includes a cylinder 31, a piston 32, a spring 33, and a pressure adjusting mechanism 34. The cylinder 31 is fixedly connected with the valve body 1, an air inlet hole 31a and a matching hole for extending the valve rod 21 are arranged on the cylinder 31, the air inlet hole 31a is used for connecting with an external air source device, the piston 32 is arranged in the cylinder 31 and can move up and down, the piston 32 is connected with the upper end of the valve rod 21, so as to drive the valve rod 21 to synchronously move, the spring 33 is arranged on one side of the piston 32 opposite to the air inlet hole 31a, one end of the spring 33 is contacted with the piston 32, the other end is connected with the pressure adjusting mechanism 34, the pressure adjusting mechanism 34 is configured to be movable in the expansion and contraction direction of the spring 33, and urges the spring 33 to move, so as to change the initial position of the spring 33, when the air supply means supplies air into the cylinder 31, the piston 32 is moved upward by the compressed air, and drives the valve rod 21 and the valve head 22 to move upwards together, so that the communication port 12 is opened and is communicated with the medium inlet 4 and the medium outlet 5; when the air supply device stops supplying air, the piston 32 moves downwards under the action of the spring 33, and drives the valve rod 21 and the valve head 22 to synchronously move downwards, and the communication port 12 is closed to block the medium inlet 4 and the medium outlet 5.
The pressure adjusting mechanism 34 includes an adjusting bolt 341 mounted on the top end of the cylinder 31 and in threaded engagement with the cylinder 31, a spring pad 343 mounted in the cylinder 31 and connected to the adjusting bolt 341, and a lock nut 342 threaded onto the adjusting bolt 341. The locking nut 342 is positioned outside the cylinder 31 and is in contact fit with the outer wall of the cylinder 31; one end of the spring 33 abuts against the spring pressure pad 343, the adjusting bolt 341 can be rotated to drive the spring pressure pad 343 to move up and down, and when the medium pressure is higher, the adjusting bolt 341 can be rotated to move down to compress the spring 33, so that the elastic force of the spring is increased, and thus higher downward pressure can be provided, and sufficient sealing is ensured; when the medium pressure is small, the adjusting bolt 341 can be rotated in the opposite direction to move upward, so that the spring 33 is extended and the elastic force is reduced, and the spring can just provide enough pressure to meet the sealing requirement.
The air cylinder 31 comprises a cylinder body 311, a sealing cover 312 and a connecting seat 313, the sealing cover 312 is hermetically connected with the cylinder body 311 and forms a closed air chamber together, the air chamber is communicated with the air inlet hole 31a, the upper end of the connecting seat 313 is connected with the bottom of the sealing cover 312, the lower end of the connecting seat 313 is connected with the valve body 1, and a through hole is formed in the center of the connecting seat 313 for the valve rod 21 to pass through.
Preferably, a sealing sliding sleeve 314 is further arranged in the through hole of the connecting seat 313, the sealing sliding sleeve 314 is arranged on the valve rod 21 and is in sliding fit with the valve rod 21, and the sealing sliding sleeve 314 plays a role in sealing the air chamber, so that air in the air chamber is prevented from escaping when the valve rod 21 moves.
Preferably, the spring pressure pad 343 is a truncated cone-shaped structure, so that one end of the spring 33 is sleeved on the spring pressure pad 343 to prevent the spring 33 from moving in a dislocation manner.
Preferably, the central axis of the adjusting bolt 341 is on the same straight line with the central axis of the valve stem 21.
Preferably, a groove is formed on the spring pressure pad 343, and a ball is arranged at one end of the adjusting bolt 341 in the cylinder 31, and the ball is matched with the groove.
The above description is an embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and improvements can be made without departing from the principle of the present invention, and this should also be regarded as the protection scope of the present invention.
Claims (7)
1. An angle seat valve capable of realizing online pressure regulation comprises a valve body, a valve core and an actuating mechanism;
the valve body is provided with a medium inlet and a medium outlet, a valve seat is arranged in the valve body, and the center of the valve seat is a communication port and communicated with the medium inlet and the medium outlet; the case includes valve rod and valve head, the valve rod upper end is connected with actuating mechanism, and the lower extreme is connected with the valve head, the valve head cooperates with the disk seat for open or close intercommunication mouth, its characterized in that: the actuating mechanism comprises a cylinder, a piston, a spring and a pressure adjusting mechanism; the air cylinder is fixedly connected with the valve body, an air inlet hole and a matching hole for extending the valve rod are formed in the air cylinder, the piston is installed in the air cylinder and can move up and down, the piston is connected with the upper end of the valve rod, the spring is installed on one side, back to the air inlet hole, of the piston, one end of the spring is in contact with the piston, the other end of the spring is connected with the pressure adjusting mechanism, and the pressure adjusting mechanism is configured to move along the stretching direction of the spring and pushes the spring to move.
2. An angle seat valve capable of adjusting pressure on line according to claim 1, characterized in that: the pressure adjusting mechanism comprises an adjusting bolt, a spring pressure pad and a locking nut, wherein the adjusting bolt is installed at the top end of the air cylinder and is in threaded fit with the air cylinder; the locking nut is positioned on the outer side of the cylinder and is in contact fit with the outer wall of the cylinder; one end of the spring is abutted against the spring pressure pad, and the spring pressure pad can be driven to move up and down by rotating the adjusting bolt.
3. An angle seat valve capable of adjusting pressure on line according to claim 2, characterized in that: the spring pressure pad is of a round table structure, so that one end of the spring is sleeved on the spring pressure pad.
4. An angle seat valve capable of adjusting pressure on line according to claim 2, characterized in that: and the central shaft of the adjusting bolt and the central shaft of the valve rod are on the same straight line.
5. An on-line pressure-adjustable angle seat valve according to claim 3 or 4, characterized in that: the spring pressure pad is provided with a groove, one end of the adjusting bolt, which is positioned in the cylinder, is provided with a ball head, and the ball head is matched with the groove.
6. An angle seat valve capable of adjusting pressure on line according to claim 1, characterized in that: the air cylinder comprises a cylinder body, a sealing cover and a connecting seat, the sealing cover is connected with the cylinder body in a sealing mode and jointly forms a closed air chamber, the air chamber is communicated with the air inlet hole, the upper end of the connecting seat is connected with the sealing cover, the lower end of the connecting seat is connected with the valve body, and a through hole is formed in the center of the connecting seat and used for the valve rod to penetrate through.
7. An angle seat valve capable of adjusting pressure on line according to claim 1, characterized in that: and a sealing sliding sleeve is further arranged in the through hole of the connecting seat, is arranged on the valve rod and is in sliding fit with the valve rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921706038.5U CN210739390U (en) | 2019-10-12 | 2019-10-12 | Angle seat valve capable of adjusting pressure on line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921706038.5U CN210739390U (en) | 2019-10-12 | 2019-10-12 | Angle seat valve capable of adjusting pressure on line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210739390U true CN210739390U (en) | 2020-06-12 |
Family
ID=71009091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921706038.5U Active CN210739390U (en) | 2019-10-12 | 2019-10-12 | Angle seat valve capable of adjusting pressure on line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210739390U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879571A (en) * | 2021-01-18 | 2021-06-01 | 湖北三江航天红峰控制有限公司 | Low-temperature corrugated pipe valve |
-
2019
- 2019-10-12 CN CN201921706038.5U patent/CN210739390U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879571A (en) * | 2021-01-18 | 2021-06-01 | 湖北三江航天红峰控制有限公司 | Low-temperature corrugated pipe valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7090190B2 (en) | Flow control valve | |
| JPH08141931A (en) | Pneumatic zipper driving device | |
| CN210739390U (en) | Angle seat valve capable of adjusting pressure on line | |
| CN111120671A (en) | Gate valve | |
| KR101654873B1 (en) | Volume Booster for actuators | |
| JP4426136B2 (en) | Flow control valve | |
| JP5914489B2 (en) | Volume booster with varying asymmetry | |
| WO2020134562A1 (en) | Gas-electric conversion lifting valve | |
| EP3726138B1 (en) | Regulating mechanism for regulating the flows from a plurality of gas outlets in a fuel gas valve | |
| CN215568016U (en) | Pneumatic regulating valve | |
| CN114658866A (en) | Durable fast-assembling butterfly valve and using method thereof | |
| CN216867677U (en) | Adjusting mechanism of pneumatic actuator for valve | |
| KR100812560B1 (en) | Flow control valve | |
| KR200422880Y1 (en) | Regurator for pneumatics | |
| CN207514369U (en) | A kind of pneumatic device for automatically controlling fluid output | |
| KR102256186B1 (en) | Regulator | |
| CN213825618U (en) | Injection valve with stepless regulation of stroke and resilience force | |
| JP3347960B2 (en) | Control valve | |
| JPH09277132A (en) | Rotating type clamp device | |
| CN213744944U (en) | Bolt type quick-closing valve | |
| CN208951380U (en) | Piston-type pressure relief pilot-actuated valve | |
| CN110925255A (en) | Proportional flow valve | |
| CN205090033U (en) | Pressure regulating valve | |
| CN209705382U (en) | A kind of band signal feedback electric control two-way structure | |
| CA2013031C (en) | Manually operated air valve and actuator in combination control a hydraulic spool valve for maneuvering heavy equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |