CN220930202U - High-flow electromagnetic valve control variable pressure output pressure regulating device - Google Patents
High-flow electromagnetic valve control variable pressure output pressure regulating device Download PDFInfo
- Publication number
- CN220930202U CN220930202U CN202322905749.8U CN202322905749U CN220930202U CN 220930202 U CN220930202 U CN 220930202U CN 202322905749 U CN202322905749 U CN 202322905749U CN 220930202 U CN220930202 U CN 220930202U
- Authority
- CN
- China
- Prior art keywords
- pilot valve
- assembly
- valve
- shell
- pressure
- 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
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 30
- 230000007704 transition Effects 0.000 claims abstract description 4
- 239000012528 membrane Substances 0.000 claims description 17
- 238000013016 damping Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000001276 controlling effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
Landscapes
- Control Of Fluid Pressure (AREA)
Abstract
The utility model discloses a high-flow electromagnetic valve control variable pressure output pressure regulating device, which comprises a pipe section, a pilot valve, an electromagnetic valve assembly, a variable cross-section shell, a piston assembly, a connecting rod assembly and a butterfly plate, wherein the pilot valve is arranged on the pipe section; the butterfly plate is adapted to the pipe section, and the pilot valve and the variable cross-section shell are sequentially arranged on the pipe section according to the medium flow direction in the pipe section; the piston assembly is adapted in a variable cross-section housing having a large chamber, a transition chamber and a small chamber, the cross-sectional area of the large chamber being greater than the cross-sectional area of the small chamber. According to the utility model, the stability of the outlet pressure of the pilot valve is ensured and the value of the outlet pressure of the pilot valve is regulated by arranging the pilot valve, and the pressure regulating function that the outlet pressure of a product is higher than the reference pressure of the pilot valve and the pressure regulating function that the outlet pressure of the product is basically equal to the reference pressure of the pilot valve are realized by controlling the passage conversion through the electromagnetic valve component, so that the output pressure regulation is realized, and the requirements of different pressure working conditions of the downstream of a system are met.
Description
Technical Field
The utility model relates to the technical field of pressure regulating valves, in particular to a high-flow electromagnetic valve control variable pressure output pressure regulating device.
Background
Piping is an important device for transporting media and requires the pressure of the media within the piping to be reduced or regulated in order to reduce the pressure of the gas source to the pressure for use by downstream equipment. The pressure regulating valve is widely applied as a pipeline pressure regulating accessory. In the prior art, the pilot-operated automatic control pressure regulating valve changes the opening of the main valve through the outlet pressure of the fluid, so as to change the throttling resistance of the main valve and keep the outlet pressure basically unchanged. The pilot-operated automatic control pressure regulating valve generally comprises a main valve and a pilot valve, the pilot valve is used for providing reference pressure, so that the main valve is balanced under the action of the reference pressure and the feedback pressure, further, the outlet pressure is regulated on the basis of the pilot valve reference pressure and the feedback pressure, the outlet pressure regulation is limited by the pilot valve reference pressure, after the pilot valve pressure is set by the pressure regulating valve, the outlet pressure does not have larger fluctuation at a certain outlet pressure value, and when the downstream working condition of the system is in two different pressure value ranges, the mode of regulating the fixed outlet pressure value cannot effectively cope with the downstream demand pressure change of the system.
Disclosure of utility model
The utility model aims to overcome the existing defects, and provides a high-flow electromagnetic valve control variable pressure output pressure regulating device, which ensures the stability of the outlet pressure of a pilot valve and regulates the value of the outlet pressure of the pilot valve by arranging the pilot valve, realizes the pressure regulating function that the outlet pressure of a product is higher than the reference pressure of the pilot valve and the pressure regulating function that the outlet pressure of the product is basically equal to the reference pressure of the pilot valve by controlling the passage conversion of an electromagnetic valve assembly, realizes the output pressure regulation, meets the requirements of working conditions of different pressures at the downstream of a system, and can effectively solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a high-flow electromagnetic valve control variable pressure output pressure regulating device comprises a pipe section, a pilot valve, an electromagnetic valve assembly, a variable cross-section shell, a piston assembly, a connecting rod assembly and a butterfly plate; the butterfly plate is adapted to the pipe section, and the pilot valve and the variable cross-section shell are sequentially arranged on the pipe section according to the medium flow direction in the pipe section;
The piston assembly is adapted to the variable cross-section shell, the variable cross-section shell is provided with a large chamber, a transition chamber and a small chamber, the cross-section area of the large chamber is larger than that of the small chamber, the piston assembly comprises a large piston and a small piston, the large piston and the small piston are connected through a fixed rod, the large piston and the small piston are correspondingly adapted to the large chamber and the small chamber, the inner cavity of the variable cross-section shell is correspondingly divided into a control cavity, a middle cavity and a feedback cavity from left to right, the feedback cavity is communicated with a pipe section, and the piston assembly drives a butterfly plate to act through a connecting rod assembly when acting in the variable cross-section shell;
The electromagnetic valve component is a two-position four-way electromagnetic valve and is correspondingly communicated with the medium outflow port, the atmosphere, the control cavity and the middle cavity of the pilot valve respectively; when the electromagnetic valve assembly is in a working position, the medium outflow port of the pilot valve is correspondingly communicated with the control cavity, and the atmosphere is correspondingly communicated with the middle cavity; when the electromagnetic valve component is in the second working position, the medium outflow port of the pilot valve is correspondingly communicated with the control cavity and the middle cavity.
Preferably, the pilot valve comprises a pilot valve shell, the pilot valve shell is provided with a circulation channel, a valve capable of adjusting a medium to pass through a gap in the circulation channel is adapted in the pilot valve shell, the upper part of the valve stretches into a cavity of the pilot valve shell, the upper end of the valve is provided with a pilot valve membrane assembly, and a membrane of the pilot valve membrane assembly is connected with the inner wall of the cavity of the pilot valve shell; the upper part of the pilot valve shell is in threaded connection with an adjusting bolt, the lower end of the adjusting bolt stretches into the cavity of the pilot valve shell, and the lower end of the adjusting bolt is connected with the pilot valve membrane assembly through a pilot valve spring; the pilot valve shell is provided with a discharge hole communicated with the cavity at the upper side of the pilot valve membrane assembly, the pilot valve shell is also provided with a return flow channel communicated with the circulation channel and the cavity at the lower side of the pilot valve membrane assembly, and the return flow channel is provided with a damping hole.
Preferably, the flow channel of the pilot valve is communicated with the electromagnetic valve assembly through a pipeline, the connecting rod assembly comprises a long straight rod, one end of the long straight rod is connected with the fixed rod, and the other end of the long straight rod is connected with the butterfly plate through a swing arm and is provided with an overflow port.
Preferably, the connecting rod assembly comprises a long straight rod, one end of the long straight rod is connected with the fixed rod, and the other end of the long straight rod is connected with the butterfly plate through the swing arm.
Compared with the prior art, the utility model has the beneficial effects that: the inlet pressure enters the pilot valve, the pilot diaphragm assembly balances under the dynamic conditions of the pilot valve spring, the pilot valve outlet pressure and the atmospheric pressure, the stability of the pilot valve outlet pressure is realized, the elasticity of the pilot valve spring can be adjusted by adjusting the position of the adjusting bolt, and then the value of the pilot valve outlet pressure is adjusted. Dynamic balance of the piston assembly at the outlet pressure and the feedback pressure of the pilot valve is achieved, the opening degree of the butterfly valve is adjusted through the connecting rod assembly, and the outlet pressure value of the device is adjusted; through solenoid valve subassembly control passageway conversion, realized that product outlet pressure is higher than the pressure regulating function of pilot valve reference pressure and product outlet pressure equals the pressure regulating function of pilot valve reference pressure basically, realize output pressure regulation, satisfy the different pressure operating mode demands of system low reaches.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a pilot valve according to the present utility model;
FIG. 3 is an enlarged schematic view of a partial structure of the present utility model;
FIG. 4 is a schematic diagram illustrating the operation of the solenoid valve assembly of the present utility model.
In the figure: 1 pipe section, 2 pilot valve, 2.1 adjusting bolt, 2.2 pilot valve shell, 2.3 pilot valve diaphragm subassembly, 2.4 valve, 2.5 circulation passageway, 2.6 backward flow passageway, 2.7 pilot valve spring, 3 solenoid valve subassembly, 4 variable cross section casings, 4.1 control chamber, 4.2 middle chamber, 4.3 feedback chamber, 5 piston subassembly, 5.1 big piston, 5.2 little pistons, 6 connecting rod subassembly, 6.1 long straight pole, 6.2 swing arm, 7 butterfly plate.
Detailed Description
The present utility model will be explained in detail by the following examples, and the purpose of the present utility model is to protect all technical improvements within the scope of the present utility model, and in the description of the present utility model, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "front", "rear", "left", "right", etc., only correspond to the drawings of the present utility model, and in order to facilitate description of the present utility model, it is not necessary to indicate or imply that the apparatus or element referred to has a specific orientation.
Referring to fig. 1-4, the present utility model provides a technical solution: a high-flow electromagnetic valve control variable pressure output pressure regulating device comprises a pipe section 1, a pilot valve 2, an electromagnetic valve assembly 3, a variable cross-section shell 4, a piston assembly 5, a connecting rod assembly 6 and a butterfly plate 7; the butterfly plate 7 is adapted to the pipe section 1, and the pilot valve 2 and the variable cross-section shell 4 are sequentially arranged on the pipe section 1 according to the medium flow direction in the pipe section 1;
The piston assembly 5 is adapted to the variable cross-section shell 4, the variable cross-section shell 4 is provided with a large chamber, a transition chamber and a small chamber, the cross-section of the large chamber is larger than that of the small chamber, the piston assembly 5 comprises a large piston 5.1 and a small piston 5.2, the large piston 5.1 and the small piston 5.2 are connected through a fixed rod, the large piston 5.1 and the small piston 5.2 are correspondingly adapted to the large chamber and the small chamber, the large piston 5.1 and the small piston 5.2 correspondingly divide the inner cavity of the variable cross-section shell 4 into a control cavity 4.1, a middle cavity 4.2 and a feedback cavity 4.3 from left to right, the feedback cavity 4.3 is communicated with the pipe section 1, and the piston assembly 5 drives the butterfly plate 7 to act through the connecting rod assembly 6 when the variable cross-section shell 4 acts;
The electromagnetic valve component 3 is a two-position four-way electromagnetic valve and is correspondingly communicated with a medium outflow port, the atmosphere, the control cavity 4.1 and the middle cavity 4.2 of the pilot valve 2 respectively; when the electromagnetic valve assembly 3 is in the working position, the medium outflow port of the pilot valve 2 is correspondingly conducted with the control cavity 4.1, and the atmosphere is correspondingly conducted with the middle cavity 4.2; when the electromagnetic valve assembly 3 is in the second working position, the medium outflow port of the pilot valve 2 is correspondingly communicated with the control cavity 4.1 and the middle cavity 4.2;
It can be understood that when the solenoid valve assembly 3 is in the working position, the control cavity 4.1 is communicated with the outlet pressure of the pilot valve 2, the middle cavity 4.2 is communicated with the atmospheric pressure, the feedback cavity 4.3 is communicated with the outlet pressure, the left side of the large piston 5.1 is pilot valve pressure, the right side is atmospheric pressure, the left side of the small piston 5.2 is atmospheric pressure, the right side is outlet pressure, the piston assembly 5 is in an equilibrium state under the pressures, because the cross section area of the large piston 5.1 is larger than the cross section area of the small piston 5.2, (the inlet gas acts on the left side of the large piston 5.1, the outlet gas acts on the right side of the small piston 5.1), the left side pressure of the large piston 5.1 is larger than the right side pressure of the small piston 5.1, the piston assembly 5 moves right, the piston assembly 5 drives the butterfly plate 7 to be closed through the connecting rod assembly 6, the outlet pressure of the product is increased, and the pressure regulating function that the outlet pressure of the product is higher than the reference pressure of the pilot valve is realized; when the electromagnetic valve assembly 3 is in the second working position, the control cavity 4.1 is communicated with the outlet pressure of the pilot valve 2, the middle cavity 4.2 is communicated with the outlet pressure of the pilot valve 2, the feedback cavity 4.3 is communicated with the outlet pressure, the left side of the large piston 5.1 is offset with the right side pilot valve 2, the product pressure regulating function is realized under the balance of the left side pilot valve 2 pressure and the right side outlet pressure of the small piston 5.2, and the pressure regulating function that the product outlet pressure is basically equal to the pilot valve reference pressure is realized because the gas pressure acts on the two sides of the small piston 5.2;
Specifically, the pilot valve 2 comprises a pilot valve housing 2.2, the pilot valve housing 2.2 is provided with a circulation channel 2.5, a valve 2.4 capable of adjusting a medium passing through a gap in the circulation channel 2.5 is adapted in the pilot valve housing 2.2, the upper part of the valve 2.4 stretches into a cavity of the pilot valve housing 2.2, the upper end of the valve is provided with a pilot valve membrane component 2.3, and a membrane of the pilot valve membrane component 2.3 is connected with the inner wall of the cavity of the pilot valve housing 2.2; the upper part of the pilot valve shell 2.2 is connected with an adjusting bolt 2.1 in a threaded manner, the lower end of the adjusting bolt 2.1 stretches into a cavity of the pilot valve shell 2.2, and the lower end of the adjusting bolt is connected with a pilot valve diaphragm assembly 2.3 through a pilot valve spring 2.7; the pilot valve shell 2.2 is provided with a discharge hole communicated with the upper side cavity of the pilot valve membrane assembly 2.3, the pilot valve shell 2.2 is also provided with a return flow channel 2.6 communicated with the circulation channel 2.5 and the lower side cavity of the pilot valve membrane assembly 2.3, and the return flow channel 2.6 is provided with a damping hole;
It can be understood that the upper side pressure of the pilot valve diaphragm assembly 2.3 is the elasticity and the atmospheric pressure of the pilot valve spring 2.7, the lower side pressure of the pilot valve diaphragm assembly 2.3 is the outlet pressure (the pressure in the flow channel 2.5) of the pilot valve 2, the pilot valve diaphragm assembly 2.3 is dynamically balanced under the action of the elasticity of the pilot valve spring 2.7, the outlet pressure (the pressure in the flow channel 2.5) of the pilot valve and the atmospheric pressure, the stability of the outlet pressure of the pilot valve is realized, the elasticity of the whole pilot valve spring 2.7 can be adjusted through the adjusting bolt 2.1, and then the outlet pressure value of the pilot valve 2 is adjusted; in addition, the backflow channel 2.6 is provided with a damping hole, so that the frequency of pressure fluctuation generated by the change of inlet pressure of the outlet pressure of the pilot valve 2 is reduced, the flow speed of a medium is reduced, and the damping effect is achieved;
Furthermore, the flow channel 2.5 of the pilot valve 2 is communicated with the electromagnetic valve assembly 3 through a pipeline, and an overflow port is arranged on the pipeline to realize flow decompression of gas;
In addition, the connecting rod assembly 6 comprises a long straight rod 6.1, one end of the long straight rod 6.1 is connected with the fixed rod, the other end of the long straight rod 6.1 is connected with the butterfly plate 7 through the swing arm 6.2, the piston assembly 5, the long straight rod 6.1 and the swing arm 6.2 form a connecting rod structure, and the linear motion of the piston assembly 5 is converted into the rotation of the butterfly plate 7.
The utility model has not been described in detail in the prior art, and it is apparent to those skilled in the art that the utility model is not limited to the details of the above-described exemplary embodiments, but that the utility model can be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, and all changes coming within the meaning and range of equivalency are intended to be embraced therein.
Claims (4)
1. A high-flow electromagnetic valve control variable pressure output pressure regulating device is characterized in that: the hydraulic valve comprises a pipe section (1), a pilot valve (2), an electromagnetic valve assembly (3), a variable cross-section shell (4), a piston assembly (5), a connecting rod assembly (6) and a butterfly plate (7); the butterfly plate (7) is adapted to the pipe section (1), and the pilot valve (2) and the variable cross-section shell (4) are sequentially arranged on the pipe section (1) according to the medium flow direction in the pipe section (1);
The piston assembly (5) is adapted to the variable cross-section shell (4), the variable cross-section shell (4) is provided with a large chamber, a transition chamber and a small chamber, the cross-section of the large chamber is larger than that of the small chamber, the piston assembly (5) comprises a large piston (5.1) and a small piston (5.2), the large piston (5.1) and the small piston (5.2) are connected through a fixed rod, the large piston (5.1) and the small piston (5.2) are correspondingly adapted to the large chamber and the small chamber, the inner cavity of the variable cross-section shell (4) is correspondingly divided into a control chamber (4.1), an intermediate chamber (4.2) and a feedback chamber (4.3) from left to right, the feedback chamber (4.3) is communicated with the pipe section (1), and the piston assembly (5) drives the butterfly plate (7) to act through the connecting rod assembly (6) when the variable cross-section shell (4) acts;
The electromagnetic valve assembly (3) is a two-position four-way electromagnetic valve and is correspondingly communicated with a medium outflow port, the atmosphere, the control cavity (4.1) and the middle cavity (4.2) of the pilot valve (2) respectively; when the electromagnetic valve assembly (3) is in a working position, a medium outflow port of the pilot valve (2) is correspondingly conducted with the control cavity (4.1), and the atmosphere is correspondingly conducted with the middle cavity (4.2); when the electromagnetic valve assembly (3) is in the second working position, the medium outflow port of the pilot valve (2) is correspondingly communicated with the control cavity (4.1) and the middle cavity (4.2).
2. The high-flow solenoid valve controlled variable pressure output pressure regulating device of claim 1, wherein: the pilot valve (2) comprises a pilot valve shell (2.2), the pilot valve shell (2.2) is provided with a circulation channel (2.5), a valve (2.4) capable of adjusting a medium passing through a gap in the circulation channel (2.5) is adapted in the pilot valve shell (2.2), the upper part of the valve (2.4) stretches into a cavity of the pilot valve shell (2.2), the upper end of the valve is provided with a pilot valve membrane component (2.3), and a membrane of the pilot valve membrane component (2.3) is connected with the inner wall of the cavity of the pilot valve shell (2.2); an adjusting bolt (2.1) is connected to the upper part of the pilot valve shell (2.2) in a threaded manner, the lower end of the adjusting bolt (2.1) stretches into a cavity of the pilot valve shell (2.2), and the lower end of the adjusting bolt is connected with a pilot valve membrane assembly (2.3) through a pilot valve spring (2.7); the pilot valve shell (2.2) is provided with a discharge hole communicated with the upper side cavity of the pilot valve membrane assembly (2.3), the pilot valve shell (2.2) is also provided with a backflow channel (2.6) communicated with the flow channel (2.5) and the lower side cavity of the pilot valve membrane assembly (2.3), and the backflow channel (2.6) is provided with a damping hole.
3. The high-flow solenoid valve controlled variable pressure output pressure regulating device of claim 2, wherein: the flow channel (2.5) of the pilot valve (2) is communicated with the electromagnetic valve assembly (3) through a pipeline, and an overflow port is arranged on the pipeline.
4. The high-flow solenoid valve controlled variable pressure output pressure regulating device of claim 1, wherein: the connecting rod assembly (6) comprises a long straight rod (6.1), one end of the long straight rod (6.1) is connected with the fixed rod, and the other end of the long straight rod (6.1) is connected with the butterfly plate (7) through the swing arm (6.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322905749.8U CN220930202U (en) | 2023-10-27 | 2023-10-27 | High-flow electromagnetic valve control variable pressure output pressure regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322905749.8U CN220930202U (en) | 2023-10-27 | 2023-10-27 | High-flow electromagnetic valve control variable pressure output pressure regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220930202U true CN220930202U (en) | 2024-05-10 |
Family
ID=90934834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322905749.8U Active CN220930202U (en) | 2023-10-27 | 2023-10-27 | High-flow electromagnetic valve control variable pressure output pressure regulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220930202U (en) |
-
2023
- 2023-10-27 CN CN202322905749.8U patent/CN220930202U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115681236A (en) | High-pressure high-flow high-water-base plug-in type digital throttle valve and control method | |
| CN1256523C (en) | Ultra-high pressure pneumatic proportional pressure reducing valve | |
| CN206668651U (en) | A kind of type plug-in electro-hydraulic ratio steering wheel special service valve | |
| WO2025256001A1 (en) | Follow-up pilot proportional valve | |
| CN220930202U (en) | High-flow electromagnetic valve control variable pressure output pressure regulating device | |
| CN108050281B (en) | Variable output pressure relief system | |
| CN1699808A (en) | Slide valve type pilot ultra-high pressure pneumatic proportional pressure-reducing valve | |
| CN116006767B (en) | A multi-stage adjustable pressure reducing regulating valve | |
| CN2806923Y (en) | Series connection air-resistance pilot type ultra-high pneumatic proportional pressure-reducing valve | |
| CN113202930B (en) | Cavitation surge suppression cone valve based on self-adaptive elastic film air column | |
| CN213332575U (en) | Energy-saving gas pressure reducing valve | |
| CN116608171B (en) | A secondary control device and method for hydraulic pump displacement | |
| CN220204693U (en) | Bellows self-operated multifunctional pressure regulating valve | |
| CN218544034U (en) | Pressure regulating and controlling device for gas pipeline | |
| CN116293017B (en) | High-pressure steam pressure reducing valve | |
| CN117469446A (en) | High-flow torque motor type variable feedback coefficient servo pressure regulating valve | |
| CN110454596A (en) | A piston type dynamic differential pressure balance valve | |
| CN2806924Y (en) | Poppet valve pilot type ultra-high pneumatic proportional pressure-reducing valve | |
| CN113864276B (en) | Hydraulic speed control system and hydraulic press | |
| CN113389764B (en) | Hydraulic equipment and turbo pump outlet pressure control system thereof | |
| CN2357170Y (en) | Electric hydraulic proportional pressure flow composite controlling valve | |
| CN212717427U (en) | A variable power valve group, variable power control device and hydraulic system | |
| CN115853850B (en) | Balancing valve capable of adaptively adjusting pilot ratio based on flow change and working method | |
| CN1414275A (en) | Parallel valve port type pressure reduction valve | |
| CN211737618U (en) | A pressure positive feedback two-way pressure reducing valve for servo motor pressure regulation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |