CN207989867U - A kind of balance type structure pressure regulator - Google Patents
A kind of balance type structure pressure regulator Download PDFInfo
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- CN207989867U CN207989867U CN201721580614.7U CN201721580614U CN207989867U CN 207989867 U CN207989867 U CN 207989867U CN 201721580614 U CN201721580614 U CN 201721580614U CN 207989867 U CN207989867 U CN 207989867U
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- pressure regulator
- pressure
- valve
- chamber
- valve rod
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Abstract
The utility model discloses a kind of balance type structure pressure regulators, the venthole of valve port and upper end chamber can be connected to by being arranged in the spool shell of pressure regulator, it is achieved in balance valve upper and lower side gas pressure, avoiding valve rod, there are when inconsistent pressure in the upper and lower end face of valve port, the case where being obstructed in moving process, to have the function of that outer force effect caused by eliminating air pressure plays the regulation precision of raising pressure regulator.
Description
Technical field
The utility model is related to gas transmission and distribution equipment technical fields, more particularly to a kind of balance type structure pressure regulator.
Background technology
In recent years, with the high speed development of Chinese national economy, the requirement to fluid supply equipment is higher and higher, especially
Equipment in gas transmission and distribution system, if performance is bad or structure design is improper is often possible to that serious safety responsibility thing can be caused
Therefore.In the state that especially China's city gas is in high speed development with gas, whether the operation of relevant device is steady, circulate energy
Whether the control accuracy of power and volume size meets the requirements, and whether equipment failure rate is all current this field less than preset standard
Interior technological improvement target.
Gas pressure regulator, governor is the important equipment component in gas transmission and distribution system, and traditional indirect acting type fuel gas pressure regulator can
To realize the adjustment to pressure regulator Main valve outlet pressure by the adjusting of pressure maintaining valve and command valve, but traditional gas pressure regulating
There are disequilibriums for the air pressure of valve core of main valve upper and lower side in device, so pressure regulation accuracy is difficult to slap in actual mechanical process
The valve core of main valve of control or even some conventional gas pressure regulators, which there is also, technical lack such as closes poor performance or can not completely close
It falls into.
As it can be seen that it is uneven since the air pressure of valve core of main valve upper and lower side exists that existing gas pressure regulator, governor exists in the prior art
Weighing apparatus property is bad so as to cause regulation precision, is even switched off the poor technical problem of performance.
Utility model content
The application provides a kind of balance type structure pressure regulator, to solve the existing combustion gas tune existed in the prior art
It is poor to be even switched off performance since that there are disequilibriums is bad so as to cause regulation precision for the air pressure of valve core of main valve upper and lower side for depressor
The technical issues of.
This application provides a kind of balance type structure pressure regulators, including：
Shell, the shell are cavity body structure, including upper cavity and lower chamber；
Spool, including valve rod are arranged in the lower chamber；
Diaphragm is arranged in the upper cavity, the upper cavity is isolated into upper chamber and lower chamber, wherein the film
Piece is connect with the valve rod；
Venthole is arranged in the shell of the spool, and is connect with the valve port of the pressure regulator and upper end chamber, it is described on
It is the cavity for being in the other end in the spool relative to the valve port to hold chamber.
Optionally, the pressure regulator further includes：
The upper chamber and/or lower chamber are connect by regulating tube with pilot valve, to input the control gas of pilot valve output
Pressure, to control the displacement of the valve rod.
Optionally, the pressure regulator further includes：
Pallet is arranged on the diaphragm, and the pallet is fixedly connected with the valve rod.
Optionally, the pressure regulator further includes：
Mandril is arranged and is in the end in the upper cavity in the valve rod；
Top chamber connect by pressure pipe with the air intake of the pressure regulator, the top chamber for the mandril and the shell it
Between cavity.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages：
It can be seen that the technical solution in the embodiment of the present application can be connected to by being arranged in the spool shell of pressure regulator
The venthole of valve port and upper end chamber is achieved in balance valve upper and lower side gas pressure, avoid valve rod valve port upper and lower side
Face is there are when inconsistent pressure, the case where being obstructed in moving process, to outer masterpiece caused by with air pressure is eliminated
With the regulation precision for playing the role of improving pressure regulator.
Further, the technical solution in the embodiment of the present application by being arranged also by will push up entering for chamber and the pressure regulator
The pressure pipe of gas port connection, to realize that the power of stem lower portion begins with the power on mandril top during valve rod is mobile or stops
Eventually keep balance, no matter how air inlet gaseous-pressure changes, valve port with vulcanization flap can be always maintained at it is normally-open with
And the state of gas outlet openings of sizes is accurately controlled by the displacement of valve rod, have further increase pressure regulator regulation precision and
Reduce pressure regulator Opening pressure, and realizes the good technique effect for closing sealing performance.
Description of the drawings
Fig. 1 is a kind of structure chart for balance type structure pressure regulator that the utility model embodiment provides.
Specific implementation mode
The application provides a kind of balance type structure pressure regulator, to solve the existing combustion gas tune existed in the prior art
It is poor to be even switched off performance since that there are disequilibriums is bad so as to cause regulation precision for the air pressure of valve core of main valve upper and lower side for depressor
The technical issues of.
Technical solution in the embodiment of the present application is in order to solve the above technical problems, general thought is as follows：
Technical solution in the embodiment of the present application can by be arranged in the spool shell of pressure regulator connection valve port and on
The venthole for holding chamber, is achieved in balance valve upper and lower side gas pressure, avoids valve rod and exists not in the upper and lower end face of valve port
When consistent pressure, the case where being obstructed in moving process, is carried to which outer force effect caused by with air pressure is eliminated plays
The effect of the regulation precision of high pressure regulator.
Technical scheme is described in detail below by attached drawing and specific embodiment, it should be understood that the application
Specific features in embodiment and embodiment are the detailed description to technical scheme, rather than to present techniques
The restriction of scheme, in the absence of conflict, the technical characteristic in the embodiment of the present application and embodiment can be combined with each other.
The terms "and/or", only a kind of incidence relation of description affiliated partner, indicates that there may be three kinds of passes
System, for example, A and/or B, can indicate：Individualism A exists simultaneously A and B, these three situations of individualism B.In addition, herein
Middle character "/", it is a kind of relationship of "or" to typically represent forward-backward correlation object.
Embodiment one
Referring to FIG. 1, the embodiment of the present application one provides a kind of balance type structure pressure regulator, including：
Shell 101, the shell 101 are cavity body structure, including upper cavity and lower chamber；
Spool, including valve rod 102 are arranged in the lower chamber；
Diaphragm 103 is arranged in the upper cavity, the upper cavity is isolated into upper chamber 1031 and lower chamber 1032,
Wherein, the diaphragm 103 is connect with the valve rod 102；It is additionally provided with pallet 1033 on diaphragm 103 in the embodiment of the present application,
The valve rod 102 is fixedly connected with the pallet 1033, to realize the connection of the diaphragm 103 and the valve rod 102, thus
The connective stability of diaphragm 103 and valve rod 102 can be increased, and enhance the durability of entire pressure regulator.
Venthole 104 is arranged in the shell 1021 of the spool, and with the valve port of the pressure regulator and upper end chamber 1041
Connection, the upper end chamber 1041 are the cavity for being in the other end in the spool relative to the valve port.
Pressure regulator in the embodiment of the present application is in actual mechanical process, when combustion gas is entered by the air inlet 105 of pressure regulator
After valve body, combustion gas constantly can flow to gas outlet 106 by valve port lower port, while can also pass through the venthole 104
The upper end chamber 1041 is entered from the valve port, to achieve the purpose that balance valve upper and lower side gas pressure, in order to avoid valve rod
102 in the upper and lower end face of valve port there are when inconsistent pressure, the case where being obstructed in moving process, eliminate air pressure and cause
Outer force effect to play the role of improve pressure regulator regulation precision.
Certainly, in the embodiment of the present application, the pressure regulator further includes：Regulating tube, by the upper chamber 1031 and/or
Lower chamber 1032 is connect with pilot valve, to input the control pressure of pilot valve output, to control the position of the valve rod 102
It moves.And the end set mandril 1022 in the upper cavity can also be in the valve rod 102；And it will by pressure pipe
Top chamber 1023 connect with the air intake 105 of the pressure regulator, the top chamber 1023 for the mandril 1022 and the shell 101 it
Between cavity.The power of 102 lower part of valve rod is acted on by valve port and mandril 1022 acts on 102 top of valve rod it is possible thereby to realize
Power, that is, pressure in the top chamber 1023 remains the effect of balance during valve rod 102 moves or stops.
No matter how 105 gaseous-pressure of air inlet changes in practical operation, valve port can be always maintained at just normally opened with vulcanization flap
It opens, and can achieve the purpose that accurately control the displacement of valve rod 102 and realize and accurately control 106 openings of sizes of gas outlet, no
But influence of 105 gaseous-pressure of the air inlet variation to pressure regulator is eliminated, improves the regulation precision of pressure regulator, and also function to
Reduction pressure regulator Opening pressure, and realize the good technique effect for closing sealing performance.
It can be seen that the technical solution in the embodiment of the present application can be connected to by being arranged in the spool shell of pressure regulator
The venthole of valve port and upper end chamber is achieved in balance valve upper and lower side gas pressure, avoid valve rod valve port upper and lower side
Face is there are when inconsistent pressure, the case where being obstructed in moving process, to outer masterpiece caused by with air pressure is eliminated
With the regulation precision for playing the role of improving pressure regulator.
Further, the technical solution in the embodiment of the present application by being arranged also by will push up entering for chamber and the pressure regulator
The pressure pipe of gas port connection, to realize that the power of stem lower portion begins with the power on mandril top during valve rod is mobile or stops
Eventually keep balance, no matter how air inlet gaseous-pressure changes, valve port with vulcanization flap can be always maintained at it is normally-open with
And the state of gas outlet openings of sizes is accurately controlled by the displacement of valve rod, have further increase pressure regulator regulation precision and
Reduce pressure regulator Opening pressure, and realizes the good technique effect for closing sealing performance.
Although the preferred embodiment of the application has been described, created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the application range.
Obviously, those skilled in the art can carry out the application essence of the various modification and variations without departing from the application
God and range.Further, each method and step in technical scheme can overturn, and convert sequencing and still fall
Enter in the utility model range that the application is covered.In this way, if these modifications and variations of the application belong to the application right
It is required that and its within the scope of equivalent technologies, then the application is also intended to include these modifications and variations.
Claims (4)
1. a kind of balance type structure pressure regulator, which is characterized in that including：
Shell, the shell are cavity body structure, including upper cavity and lower chamber；
Spool, including valve rod are arranged in the lower chamber；
Diaphragm, be arranged in the upper cavity, the upper cavity is isolated into upper chamber and lower chamber, wherein the diaphragm with
The valve rod connection；
Venthole is arranged in the shell of the spool, and is connect with the valve port of the pressure regulator and upper end chamber, the upper end chamber
For the cavity of the other end is in the spool relative to the valve port.
2. pressure regulator as described in claim 1, which is characterized in that the pressure regulator further includes：
The upper chamber and/or lower chamber are connect by regulating tube with pilot valve, to input the control pressure of pilot valve output,
To control the displacement of the valve rod.
3. pressure regulator as described in claim 1, which is characterized in that the pressure regulator further includes：
Pallet is arranged on the diaphragm, and the pallet is fixedly connected with the valve rod.
4. pressure regulator as described in claim 1, which is characterized in that the pressure regulator further includes：
Mandril is arranged and is in the end in the upper cavity in the valve rod；
Top chamber is connect by pressure pipe with the air intake of the pressure regulator, and the top chamber is between the mandril and the shell
Cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721580614.7U CN207989867U (en) | 2017-11-23 | 2017-11-23 | A kind of balance type structure pressure regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721580614.7U CN207989867U (en) | 2017-11-23 | 2017-11-23 | A kind of balance type structure pressure regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207989867U true CN207989867U (en) | 2018-10-19 |
Family
ID=63804669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721580614.7U Active CN207989867U (en) | 2017-11-23 | 2017-11-23 | A kind of balance type structure pressure regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207989867U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340446A (en) * | 2018-11-26 | 2019-02-15 | 乐山川天燃气输配设备有限公司 | A kind of indirect-action type pressure regulator |
-
2017
- 2017-11-23 CN CN201721580614.7U patent/CN207989867U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340446A (en) * | 2018-11-26 | 2019-02-15 | 乐山川天燃气输配设备有限公司 | A kind of indirect-action type pressure regulator |
| CN109340446B (en) * | 2018-11-26 | 2023-12-22 | 乐山川天燃气输配设备有限公司 | Indirect acting voltage regulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 610091 Qingyang District, Chengdu City, Sichuan Province, 33 and 38 high-tech zones B of Jiaolong Industrial Port Qingyang Park Patentee after: Ruixing Jiuyu Gas Equipment (Chengdu) Co., Ltd. Address before: 610091 Qingyang District, Chengdu City, Sichuan Province, 33 and 38 high-tech zones B of Jiaolong Industrial Port Qingyang Park Patentee before: CHENGDU JIUYU GAS EQUIPMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No.388, Industrial Avenue, Shaqu Town, Dayi County, Chengdu City, Sichuan Province Patentee after: RUIXING JOYU GAS EQUIPMENT (CHENGDU) Co.,Ltd. Address before: 610091 Qingyang District, Chengdu City, Sichuan Province, 33 and 38 high-tech zones B of Jiaolong Industrial Port Qingyang Park Patentee before: RUIXING JOYU GAS EQUIPMENT (CHENGDU) Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |