CN208804288U - Double structure pressure stabilizing control valve - Google Patents
Double structure pressure stabilizing control valve Download PDFInfo
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- CN208804288U CN208804288U CN201821272255.3U CN201821272255U CN208804288U CN 208804288 U CN208804288 U CN 208804288U CN 201821272255 U CN201821272255 U CN 201821272255U CN 208804288 U CN208804288 U CN 208804288U
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Abstract
The utility model discloses double structure pressure stabilizing control valves, including valve body, air inlet is disposed on the valve body, first gas outlet and the second gas outlet, the A cavity that valve inner is disposed with, B cavity, C cavity and D cavity, solenoid valve is installed on valve body, first pressure maintaining valve and the second pressure maintaining valve, aperture between the working end control A cavity and B cavity of the solenoid valve, aperture between the working end control B cavity and C cavity of first pressure maintaining valve, aperture between the working end control D cavity of second pressure maintaining valve and the second gas outlet, the B cavity is connected to D cavity by first passage, the C cavity and the connection of the first gas outlet, first pressure maintaining valve and the second pressure maintaining valve realize independent pressure stabilizing adjustment, the stabilizing voltage characteristic of the two influences smaller, it can guarantee being used in conjunction with for two kinds of stabilizing voltage characteristics.
Description
Technical field
The utility model relates to control valve, especially a kind of double structure pressure stabilizing control valve suitable on gas-fired equipment.
Background technique
Currently, generally can all load onto pressure stabilizing control valve on gas-fired equipment, to drop in order to which gas-fired equipment is using safe
The low and stable gaseous-pressure for entering gas-fired equipment, but the pressure stabilizing control valve used now, only realize a gas outlet
Pressure stabilizing, voltage regulation performance is bad, and pressure oscillation is big, and the firepower size of gas-fired equipment is not easy to control.For the steady of two gas outlets
Pressure control valve generally controls the pressure of each gas outlet, i.e. pressure phase between two gas outlets using a pressure maintaining valve
Mutually influence.
Utility model content
The purpose of this utility model is to provide a kind of double structure pressure stabilizing control valve, be controlled respectively by two pressure maintaining valves
The air pressure of main gas outlet and secondary gas outlet, the pressure between two gas outlets are independent of each other.
The solution that the utility model solves its technical problem is: double structure pressure stabilizing control valve, including valve body, the valve
Air inlet, the first gas outlet and the second gas outlet are disposed on body, A cavity, B cavity, C cavity and the D that valve inner is disposed with
Cavity is equipped with solenoid valve, the first pressure maintaining valve and the second pressure maintaining valve, the working end control A cavity and B of the solenoid valve on valve body
Aperture between cavity, the aperture between the working end control B cavity and C cavity of first pressure maintaining valve, second pressure stabilizing
Aperture between the working end control D cavity of valve and the second gas outlet, the B cavity are connected to D cavity by first passage, institute
State C cavity and the connection of the first gas outlet.
As a further improvement of the above technical scheme, first pressure maintaining valve includes having a common boundary positioned at B cavity and C cavity
First ball valve, the first valve rod, covers reset in the first stem exterior surface at the ball valve support for being arranged in B cavity and C cavity intersection
Spring, primary diaphragm, the first central axis, the first plug screw and the adjustment spring being sleeved between the first central axis and the first plug screw,
One end of the adjustment spring and the first plug screw pressure are touched, and the other end of adjustment spring is touched by the first tabletting and primary diaphragm pressure,
The primary diaphragm is located in C cavity, one end of the reset spring and the first central axis pressure touch, the other end of reset spring with
The pressure touching of first ball valve, first ball valve and ball valve support are the working end of the first pressure maintaining valve.
As a further improvement of the above technical scheme, first valve rod and reset spring are located in C cavity.
As a further improvement of the above technical scheme, second pressure maintaining valve includes that the second ball valve and the second ball valve connect
The second central axis connect, the composite component, secondary diaphragm, the second tabletting, the second tune that are arranged between D cavity and the second gas outlet
Section nut and the pressure-stabilizing spring being sleeved between the second adjusting nut and the second central axis, second tabletting are pacified by locking plate
On the second central axis, the second tabletting and secondary diaphragm pressure are touched, and the main part of the secondary diaphragm and the second ball valve is located at D
In cavity, the bulb position of second ball valve and composite component are the working end of the second pressure maintaining valve.
The beneficial effects of the utility model are:
Combustion gas enters from air inlet, is entered in A cavity by strainer.When the solenoid is activated due to the work of electromagnetic force
With so that dynamic iron core and fixed core are attracted, drive glue bat is moved, and is entered in B cavity so that solenoid valve opens combustion gas.
When combustion gas enters C cavity by the first pressure maintaining valve from B cavity, gas pressure works as induction on primary diaphragm
When increasing to C chamber pressure, primary diaphragm is shifted up by atmospheric pressure effect, so that work of the first pressure stabilizing valve port in reset spring
Become smaller under, to achieve the purpose that outlet pressure is stable；When sensing that C chamber pressure reduces, primary diaphragm is by adjusting bullet
Spring force is acted on to bottom offset, so that the first pressure stabilizing valve port becomes larger under the action of reset spring, to reach the first gas outlet pressure
The stable purpose of power；When combustion gas is entered by first passage to D cavity from B cavity, gas pressure is in the second pressure maintaining valve
On secondary diaphragm, when sensing that D chamber pressure increases, secondary diaphragm is shifted up by atmospheric pressure effect, so that the second pressure stabilizing
Valve port becomes smaller under the action of pressure-stabilizing spring, to achieve the purpose that outlet pressure is stable；When sense D chamber pressure reduce
When, secondary diaphragm is acted on by pressure-stabilizing spring power to bottom offset, so that the second pressure stabilizing valve port becomes larger under the action of pressure-stabilizing spring, from
And achieve the purpose that the second gas outlet pressure is stable；It is all from B cavity by the combustion gas of the first pressure maintaining valve and the second pressure maintaining valve,
Gaseous-pressure by B cavity is influenced, and the first pressure maintaining valve and the second pressure maintaining valve realize that independent pressure stabilizing adjustment, the pressure stabilizing of the two are special
Property influence it is smaller, it is ensured that two kinds of stabilizing voltage characteristics are used in conjunction with.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described.Obviously, described attached drawing is a part of the embodiment of the utility model, rather than complete
Portion's embodiment, those skilled in the art without creative efforts, can also be obtained according to these attached drawings it
His design scheme and attached drawing.
Fig. 1 is the front view of the utility model；
Fig. 2 be in Fig. 1 A-A to cross-sectional view；
Fig. 3 is the cross-sectional view of B-B direction in Fig. 1；
Fig. 4 is the working principle diagram of the utility model.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation
It clearly and completely describes, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is a part of the embodiment of the utility model, rather than whole embodiments, it is based on the embodiments of the present invention, the skill of this field
Art personnel other embodiments obtained without creative efforts belong to the model of the utility model protection
It encloses.In addition, all connection/connection relationships being previously mentioned in text, not singly refer to that component directly connects, and referring to can be according to specific reality
Situation is applied, by adding or reducing couple auxiliary, Lai Zucheng more preferably coupling structure.
Referring to Fig.1~Fig. 4, double structure pressure stabilizing control valve, including valve body 4 are disposed with air inlet, first on the valve body 4
Gas outlet 5 and the second gas outlet 6, A cavity 41, B cavity 42, C cavity 43 and the D cavity 44 being disposed with inside valve body 4, valve body 4
On solenoid valve 1, the first pressure maintaining valve 2 and the second pressure maintaining valve 3 be installed, the working end control A cavity 41 and B chamber of the solenoid valve 1
Aperture between body 42, the aperture between the working end control B cavity 42 and C cavity 43 of first pressure maintaining valve 2, described second
Aperture between the working end control D cavity 44 of pressure maintaining valve 3 and the second gas outlet 6, the B cavity 42 and D cavity 44 pass through the
The connection of one channel, the C cavity 43 are connected to the first gas outlet 5.First pressure maintaining valve 2 includes being located at B cavity 42 and C cavity
43 the first ball valves 20 having a common boundary, the ball valve that is arranged in 43 intersection of B cavity 42 and C cavity support the 22, first valve rod 21, cover the
The reset spring 23 of one valve rod, 21 outer surface, primary diaphragm 27, the first central axis 24, the first plug screw 26 and it is sleeved on the first center
Adjustment spring 25 between axis 24 and the first plug screw 26, one end of the adjustment spring 25 and the first plug screw 26 pressure are touched, and bullet is adjusted
The other end of spring 25 is touched by the first tabletting and the pressure of primary diaphragm 27, and the primary diaphragm 27 is located in C cavity 43, the reset
One end of spring 23 and the first central axis 24 pressure are touched, and the other end of reset spring 23 and the first ball valve 20 pressure are touched, first ball
Valve 20 and ball valve support 22 are the working end of the first pressure maintaining valve 2.First valve rod 21 and reset spring 23 are located at C cavity 43
In.Second pressure maintaining valve 3 include the second ball valve 31, connect with the second ball valve 31 the second central axis 33, be arranged in D cavity 44
And it second composite component 32 between gas outlet 6, secondary diaphragm 34, the second tabletting 35, the second adjusting nut 37 and is sleeved on
Pressure-stabilizing spring 38 between second adjusting nut 37 and the second central axis 33, second tabletting 35 are mounted on the by locking plate 36
On two central axises 33, the second tabletting 35 is touched with the pressure of secondary diaphragm 34, the main part of the secondary diaphragm 34 and the second ball valve 31
In D cavity 44, the bulb position of second ball valve 31 and composite component 32 are the working end of the second pressure maintaining valve 3.First
Pressure maintaining valve 2 be give a constant outlet pressure, for premix entirely interlock adjust burning be can preferably match air quantity and
Gas quantity；Second pressure maintaining valve 3 mainly stablizes Chang Minghuo burning.Composite component 32 includes sealing element on the valve body 4 and embedding
Rigid member in the seal.
Combustion gas enters from air inlet, is entered in A cavity 41 by strainer.When the solenoid is activated due to electromagnetic force
Effect drives glue to clap 10 and is moved so that dynamic iron core and fixed core are attracted, so that solenoid valve 1, which opens combustion gas, enters B cavity
In 42.
When combustion gas from B cavity 42 by the first pressure maintaining valve 2 enter C cavity 43 when, gas pressure on primary diaphragm 27,
When sensing that 43 pressure of C cavity increases, primary diaphragm 27 is shifted up by atmospheric pressure effect, so that 2 mouthfuls of the first pressure maintaining valve exists
Become smaller under the action of reset spring 23, to achieve the purpose that outlet pressure is stable；When sensing that 43 pressure of C cavity reduces,
Primary diaphragm 27 is acted on by 25 power of adjustment spring to bottom offset, so that 2 mouthfuls of the first pressure maintaining valve become under the action of reset spring 23
Greatly, to achieve the purpose that 5 pressure of the first gas outlet is stable；When combustion gas is entered by first passage to D cavity from B cavity 42
When 44, gas pressure is on the secondary diaphragm 34 of the second pressure maintaining valve 3, when sensing that 44 pressure of D cavity increases, secondary diaphragm 34
It is shifted up by atmospheric pressure effect, so that 3 mouthfuls of the second pressure maintaining valve become smaller under the action of pressure-stabilizing spring 38, to reach outlet pressure
The stable purpose of power；When sensing that 44 pressure of D cavity reduces, secondary diaphragm 34 is acted on by 38 power of pressure-stabilizing spring to bottom offset,
So that 3 mouthfuls of the second pressure maintaining valve become larger under the action of pressure-stabilizing spring 38, to achieve the purpose that 6 pressure of the second gas outlet is stable；
Since the combustion gas of the first pressure maintaining valve 2 and the second pressure maintaining valve 3 is all from B cavity 42, the shadow by the gaseous-pressure of B cavity 42
It rings, pressure is independent of each other between the two, and the stabilizing voltage characteristic of the two influences smaller, it is ensured that two kinds of stabilizing voltage characteristics make jointly
With.
Be above the better embodiment of the utility model is illustrated, but the utility model create and it is unlimited
In the embodiment, those skilled in the art can also make various without departing from the spirit of the present invention
Equivalent modifications or replacement, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.
Claims (4)
1. double structure pressure stabilizing control valve, it is characterised in that: including valve body, air inlet, the first gas outlet are disposed on the valve body
With the second gas outlet, A cavity, B cavity, C cavity and the D cavity that valve inner is disposed with are equipped with solenoid valve, first on valve body
Pressure maintaining valve and the second pressure maintaining valve, the aperture between the working end control A cavity and B cavity of the solenoid valve, first pressure stabilizing
The working end control D cavity and second of aperture between the working end control B cavity and C cavity of valve, second pressure maintaining valve goes out
Aperture between port, the B cavity are connected to D cavity by first passage, the C cavity and the connection of the first gas outlet.
2. double structure pressure stabilizing control valve according to claim 1, it is characterised in that: first pressure maintaining valve includes being located at B
The first ball valve that cavity and C cavity have a common boundary, the first valve rod, is covered the ball valve support for being arranged in B cavity and C cavity intersection
The reset spring of one stem exterior surface, primary diaphragm, the first central axis, the first plug screw and it is sleeved on the first central axis and the first spiral shell
Adjustment spring between plug, one end of the adjustment spring and the first plug screw pressure are touched, and the other end of adjustment spring passes through the first pressure
Piece and primary diaphragm pressure are touched, and the primary diaphragm is located in C cavity, and one end of the reset spring and the first central axis pressure are touched,
The other end of reset spring and the first ball valve pressure are touched, and first ball valve and ball valve support the working end for the first pressure maintaining valve.
3. double structure pressure stabilizing control valve according to claim 2, it is characterised in that: first valve rod and reset spring position
In C cavity.
4. double structure pressure stabilizing control valve according to claim 1 or 2 or 3, it is characterised in that: second pressure maintaining valve includes
Second ball valve, the second central axis being connect with the second ball valve, the composite component being arranged between D cavity and the second gas outlet,
Two diaphragms, the second tabletting, the second adjusting nut and the pressure-stabilizing spring being sleeved between the second adjusting nut and the second central axis,
Second tabletting is mounted on the second central axis by locking plate, the second tabletting and secondary diaphragm pressure touch, the secondary diaphragm and
The main part of second ball valve is located in D cavity, and the bulb position of second ball valve and composite component are the second pressure maintaining valve
Working end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821272255.3U CN208804288U (en) | 2018-08-08 | 2018-08-08 | Double structure pressure stabilizing control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821272255.3U CN208804288U (en) | 2018-08-08 | 2018-08-08 | Double structure pressure stabilizing control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208804288U true CN208804288U (en) | 2019-04-30 |
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ID=66229213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821272255.3U Active CN208804288U (en) | 2018-08-08 | 2018-08-08 | Double structure pressure stabilizing control valve |
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| Country | Link |
|---|---|
| CN (1) | CN208804288U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825824A (en) * | 2018-08-08 | 2018-11-16 | 广州市精鼎电器科技有限公司 | Double structure pressure stabilizing control valve |
-
2018
- 2018-08-08 CN CN201821272255.3U patent/CN208804288U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825824A (en) * | 2018-08-08 | 2018-11-16 | 广州市精鼎电器科技有限公司 | Double structure pressure stabilizing control valve |
| CN108825824B (en) * | 2018-08-08 | 2024-07-19 | 广州市精鼎电器科技有限公司 | Double-structure pressure stabilizing control valve |
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