CN214197264U - Pneumatic regulating valve - Google Patents
Pneumatic regulating valve Download PDFInfo
- Publication number
- CN214197264U CN214197264U CN202023255269.4U CN202023255269U CN214197264U CN 214197264 U CN214197264 U CN 214197264U CN 202023255269 U CN202023255269 U CN 202023255269U CN 214197264 U CN214197264 U CN 214197264U
- Authority
- CN
- China
- Prior art keywords
- pneumatic
- valve body
- piston
- spacing post
- valve
- 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 provides a pneumatic control valve belongs to governing valve technical field, including governing valve subassembly and spacing subassembly, pneumatic chamber through connection is installed in pneumatic means's top, and air interface sets up in pneumatic chamber's top, and adjusting device installs in starting drive's below, and built-in swing joint of control lever is in among the pneumatic means, and piston connection is in the bottom of control lever, and the fixing base sets up among valve body entry and the valve body export. Through setting up second spring and spacing post in the device, the second spring is after spacing post moves down, jack-up is carried out to the top department that hinders the position board, make spacing post be difficult to the activity that makes progress, effectually play the restriction to the piston, prevent that the piston from taking place the skew of kick-backing, the protection piston does not receive wearing and tearing increase of service life, spacing post is restricting the butt on the surface that hinders the position board, make to hinder the position board and can block the both sides arch of spacing post, prevent that spacing post from taking place to reciprocate, be applicable to pneumatic control valve's production and use.
Description
Technical Field
The utility model relates to a governing valve technical field specifically is a pneumatic control valve.
Background
The pneumatic control valve uses compressed gas as a power source, uses a cylinder as an actuator, 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, realizes switching value or proportional regulation, and receives a control signal of an industrial automatic control system to complete the regulation of a pipeline medium: various technological process parameters such as flow, pressure, temperature, liquid level and the like;
current governing valve, simple structure, sensitivity is low for the governing valve cuts off air supply speed slow, and in addition, the piston directly says that the inner wall collides with the air supply when the governing valve cuts off the air supply, makes the frictional force that the piston received great, and the piston is impaired easily, shortens the life of piston, consequently need upgrade and reform transform on the basis of current pneumatic control valve device, in order to overcome current problem and not enough, provides a pneumatic control valve.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at in solving current governing valve, simple structure, sensitivity is low for the governing valve cuts off air supply speed slow, and in addition, the piston directly hits with the air supply way inner wall when the governing valve cuts off the air supply, makes the frictional force that the piston received great, and the piston is impaired easily, shortens the technical problem of the life of piston, provides a pneumatic control valve.
In order to achieve the above object, the utility model provides a following technical scheme: a pneumatic regulating valve comprises a regulating valve component and a limiting component, wherein the limiting component is arranged in the regulating valve component;
the regulating valve assembly comprises a pneumatic device, a pneumatic cavity, an air interface, a regulating device, a flange joint, a valve body, a control rod, a piston, a valve body inlet, a valve body outlet and a fixed seat, wherein the pneumatic cavity is connected and installed at the top end of the pneumatic device in a penetrating manner, the air interface is arranged at the top of the pneumatic cavity, the regulating device is installed below the pneumatic device, the flange joint is arranged around the bottom of the regulating device, the valve body is fixedly connected to the bottom of the regulating device, the valve body inlet is arranged at one side of the valve body, the valve body outlet is arranged at the other side of the valve body, the control rod is internally and movably connected into the pneumatic device, the piston is connected to the bottom of the control rod, and the fixed seat is arranged in the valve body inlet and the valve body outlet;
spacing subassembly is including hindering position plate, spacing post, spring pipe, articulated shaft and second spring, and articulated shaft fixed mounting hinders the position plate and articulates the surface of connecting in the articulated shaft in pneumatic means's inner wall symmetry, and spacing post symmetry sets up in the body of rod both sides of control lever, and spring pipe suit is connected in adjusting device's inside, and second spring fixed connection hinders the rear end of position plate.
As a further aspect of the present invention: the bottom center of the position blocking plate is connected with the hinge shaft, and the position blocking plate is symmetrically arranged in the pneumatic device.
As a further aspect of the present invention: the limiting column is an L-shaped column body with a raised bottom, and the limiting column is limited and abutted on the surface of the position blocking plate.
As a further aspect of the present invention: the second spring is fixed behind the upper end of the position blocking plate and connected with the inner wall of the pneumatic device.
As a further aspect of the present invention: the piston is connected with the fixed seat in an embedded manner.
As a further aspect of the present invention: the surface of the position blocking plate is provided with a groove, and the outer side of the limiting column is convexly embedded into the groove in a sliding connection mode.
As a further aspect of the present invention: and a sealing ring is arranged at the air interface.
The utility model has the advantages that:
1. the utility model discloses in set up the second spring, the second spring is fixed in the upper end rear of hindering the position board and connect pneumatic means's inner wall, and the second spring moves the back down at spacing post, carries out the jack-up to the top department of hindering the position board for spacing post is difficult to the activity of making progress, and the effectual piston of playing hinders the position board restriction, prevents that the piston from taking place the resilience skew.
2. This kind of pneumatic control valve's advantage lies in being provided with spacing post, and spacing post has bellied cylinder for L font bottom, and spacing post restricts the butt on the surface that hinders the position board for hinder the position board and can block the both sides arch of spacing post, prevent that spacing post from taking place to reciprocate.
3. This kind of pneumatic control valve is provided with and hinders the position board, hinders the surface of position board and is provided with the recess, and the protruding embedding sliding connection in wherein in the outside of spacing post for spacing post can not take place the skew at the in-process that goes up the decline, and then makes the piston of bottom can effectually carry out the jam restriction of valve body.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the whole internal structure of the present invention.
Fig. 3 is a schematic diagram of the cutting structure of the present invention.
Fig. 4 is a schematic diagram of the separation structure of the present invention.
In FIGS. 1-4: 1-pneumatic device, 2-pneumatic cavity, 3-air interface, 4-adjusting device, 5-flange joint, 6-valve body, 7-stop plate, 8-control rod, 9-limit column, 10-piston, 11-spring tube, 12-valve body inlet, 13-valve body outlet, 14-fixing seat, 15-articulated shaft and 16-second spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
Referring to fig. 1 to 4, in an embodiment of the present invention, a pneumatic control valve includes a control valve assembly and a limiting assembly, wherein the limiting assembly is installed in the control valve assembly;
the regulating valve assembly comprises a pneumatic device 1, a pneumatic cavity 2, an air interface 3, a regulating device 4, a flange joint 5, a valve body 6, a control rod 8, a piston 10, a valve body inlet 12, a valve body outlet 13 and a fixed seat 14, wherein the pneumatic cavity 2 is connected and installed at the top end of the pneumatic device 1 in a penetrating manner, the air interface 3 is arranged at the top of the pneumatic cavity 2, the regulating device 4 is installed below the pneumatic device 1, the flange joint 5 is arranged around the bottom of the regulating device 4, the valve body 6 is fixedly connected to the bottom of the regulating device 4, the valve body inlet 12 is arranged at one side of the valve body 6, the valve body outlet 13 is arranged at the other side of the valve body 6, the control rod 8 is internally and movably connected into the pneumatic device 1, the piston 10 is connected to the bottom of the control rod 8;
spacing subassembly is including hindering position plate 7, spacing post 9, spring pipe 11, articulated shaft 15 and second spring 16, and articulated shaft 15 fixed mounting is in pneumatic means 1's inner wall symmetry, hinders the articulated surface of connecting in articulated shaft 15 of position plate 7, and spacing post 9 symmetry sets up in the body of rod both sides of control lever 8, and 11 suits of spring pipe are connected in adjusting device 4's inside, and second spring 16 fixed connection is in the rear end that hinders position plate 7.
Wherein, the bottom center department that hinders the position board 7 connects in articulated shaft 15, and hinders the position board 7 symmetry setting among pneumatic means 1 for hinder the position board 7 and be the wane form and install the symmetry in pneumatic means 1, can restrict spacing post 9.
Wherein, spacing post 9 has bellied cylinder for L font bottom, and spacing post 9 restricts the butt on the surface that hinders position board 7 for hinder position board 7 and can block spacing post 9's both sides arch, prevent that spacing post 9 from taking place to reciprocate.
Wherein, second spring 16 is fixed in and hinders the upper end rear of position plate 7 and connect pneumatic device 1's inner wall, and second spring 16 moves down the back at spacing post 9, carries out jack-up to the top department that hinders position plate 7 for spacing post 9 is difficult to the activity that makes progress, and the effectual position plate restriction that hinders is played to piston 10 prevents that piston 10 from taking place the skew of kick-backing.
The piston 10 and the fixing seat 14 are connected in an embedded manner, so that the piston 10 can be effectively limited in the fixing seat 14, and the valve body 6 is prevented from leaking.
Wherein, the surface that hinders position board 7 is provided with the recess, and the protruding embedding sliding connection in wherein in the outside of spacing post 9 for spacing post 9 can not take place the skew at the in-process that goes up to descend, and then makes the piston 10 of bottom can effectually carry out the jam restriction of valve body 6.
Wherein, air interface 3 department is provided with the sealing washer, can effectually prevent that pressure gas from leaking.
The working principle is as follows:
firstly, when using the pneumatic control valve of the present invention, the pneumatic control valve is installed at a designated position, the air ports 3 outside the pneumatic chamber 2 are connected, so that when the interior of the pneumatic chamber 2 is pressed by the pressure to push down the spring tube 11, the control rod 8 is driven to move downwards, the control rod 8 drives the limiting posts 9 at both sides to move downwards, after moving downwards, because the protrusion outside the limiting post 9 does not limit the upper end of the blocking plate 7, the second spring 16 behind the upper end of the blocking plate 7 can pop out to press down the other end thereof through the rotation at the hinge shaft 15, the downward moving speed of the control rod 8 is accelerated, and the piston 10 connected at the bottom is driven by the downward moving of the upper control rod 8 to directly enter the fixing seat 14 inside the valve body 6, so as to block and cut off the separation between the valve body inlet 12 and the valve body outlet 13, after moving downwards, the protrusion outside the limiting post 9 can limit at the end pressed down by the blocking plate 7, because the top of the resistance plate 7 is provided with the second spring 16 to jack it up, the limit post 9 is difficult to move upwards, the piston 10 is effectively limited by the resistance plate, the piston 10 is prevented from rebounding and deviating, after the pressure on the top pneumatic cavity 2 is eliminated, the inner spring tube 11 can jack the control rod 8 upwards, the control rod 8 drives the limit post 9 to rebound, and after the limit post 9 rebounds to exceed the center of the hinge shaft 15 of the resistance plate 7, the second spring 16 behind the upper end of the limit post can be continuously extruded through the protrusion on the outer side.
Claims (7)
1. A pneumatic regulating valve comprises a regulating valve component and a limiting component, wherein the limiting component is arranged in the regulating valve component;
the method is characterized in that: the regulating valve component comprises a pneumatic device (1), a pneumatic cavity (2), an air interface (3), a regulating device (4), a flange joint (5), a valve body (6), a control rod (8), a piston (10), a valve body inlet (12), a valve body outlet (13) and a fixed seat (14), wherein the pneumatic cavity (2) is connected and installed at the top end of the pneumatic device (1) in a penetrating way, the air interface (3) is arranged at the top of the pneumatic cavity (2), the regulating device (4) is installed below the pneumatic device (1), the flange joint (5) is arranged around the bottom of the regulating device (4), the valve body (6) is fixedly connected with the bottom of the regulating device (4), the valve body inlet (12) is arranged at one side of the valve body (6), the valve body outlet (13) is arranged at the other side of the valve body (6), the control rod (8) is internally and movably connected in the pneumatic device (1), the piston (10) is connected to the bottom of the control rod (8), and the fixed seat (14) is arranged in the valve body inlet (12) and the valve body outlet (13);
spacing subassembly is including hindering position board (7), spacing post (9), spring pipe (11), articulated shaft (15) and second spring (16), articulated shaft (15) fixed mounting is in the inner wall symmetry of pneumatic means (1), hinder position board (7) articulated connection in the surface of articulated shaft (15), spacing post (9) symmetry sets up in the body of rod both sides of control lever (8), spring pipe (11) suit is connected in the inside of adjusting device (4), second spring (16) fixed connection is in the rear end that hinders position board (7).
2. The pneumatic regulator valve according to claim 1, wherein: the bottom center of the position blocking plate (7) is connected with the hinge shaft (15), and the position blocking plate (7) is symmetrically arranged in the pneumatic device (1).
3. The pneumatic regulator valve according to claim 1, wherein: the limiting column (9) is an L-shaped column body with a bulge at the bottom, and the limiting column (9) is limited and abutted on the surface of the position blocking plate (7).
4. The pneumatic regulator valve according to claim 1, wherein: the second spring (16) is fixed behind the upper end of the position blocking plate (7) and connected with the inner wall of the pneumatic device (1).
5. The pneumatic regulator valve according to claim 1, wherein: the piston (10) is in fit embedded connection with the fixed seat (14).
6. The pneumatic regulator valve according to claim 1, wherein: the surface of the position blocking plate (7) is provided with a groove, and the outer side of the limiting column (9) is convexly embedded into the groove and is slidably connected with the groove.
7. The pneumatic regulator valve according to claim 1, wherein: and a sealing ring is arranged at the air interface (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023255269.4U CN214197264U (en) | 2020-12-28 | 2020-12-28 | Pneumatic regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023255269.4U CN214197264U (en) | 2020-12-28 | 2020-12-28 | Pneumatic regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214197264U true CN214197264U (en) | 2021-09-14 |
Family
ID=77630902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023255269.4U Active CN214197264U (en) | 2020-12-28 | 2020-12-28 | Pneumatic regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214197264U (en) |
-
2020
- 2020-12-28 CN CN202023255269.4U patent/CN214197264U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108105420B (en) | High-pressure water pump outlet control valve | |
| CN104088793A (en) | Air intake control valve assembly of air compressor | |
| CN203962418U (en) | A kind of air compressor air intake control valve assembly | |
| CN214197264U (en) | Pneumatic regulating valve | |
| CN109973699B (en) | High-efficient high-speed discharge valve | |
| CN210687191U (en) | Exhaust valve driving mechanism and exhaust valve | |
| CN213451715U (en) | Mechanical structure of ball cock capable of being opened and closed instantly | |
| CN202132567U (en) | Integrated reducing valve | |
| CN212868685U (en) | Exhaust valve control mechanism and exhaust valve | |
| CN200968422Y (en) | Hydraulic controlled valve | |
| CN2568900Y (en) | Micro-resistance hammer removal check valve | |
| CN202992281U (en) | One-way gas check valve | |
| CN210978705U (en) | High-efficient electromagnetic pulse valve | |
| CN110566713A (en) | Exhaust valve driving mechanism and exhaust valve | |
| CN217977370U (en) | Novel temperature and pressure reducing regulating valve | |
| CN2299196Y (en) | Hydraulic slowly-closed silencing check valve | |
| CN218761644U (en) | Pneumatic control blowoff valve | |
| CN218818507U (en) | Steam soot blowing regulating valve for pulverized coal fired boiler | |
| CN2694073Y (en) | Automatic open-close valve with two valve plate for water return | |
| CN110107693A (en) | A kind of air admission valve | |
| CN212226119U (en) | Pressure regulating valve with strong sealing performance | |
| CN215858048U (en) | Toilet bowl water inlet valve capable of preventing siphoning | |
| CN218644558U (en) | Current-limiting voltage-stabilizing electromagnetic valve | |
| CN218913861U (en) | Vent valve device capable of controlling liquid pressure in pipeline | |
| CN221097660U (en) | Multifunctional air valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |