CN206487923U - Lever pressure difference safety regulating valve - Google Patents
Lever pressure difference safety regulating valve Download PDFInfo
- Publication number
- CN206487923U CN206487923U CN201720177470.4U CN201720177470U CN206487923U CN 206487923 U CN206487923 U CN 206487923U CN 201720177470 U CN201720177470 U CN 201720177470U CN 206487923 U CN206487923 U CN 206487923U
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- China
- Prior art keywords
- chamber
- connector
- valve
- pressure difference
- regulating valve
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Abstract
The utility model provides a kind of lever pressure difference safety regulating valve, belongs to valve technology field.It solves the problem of existing regulating valve cost is high, security is poor.This lever pressure difference safety regulating valve includes valve body, with inlet channel and outlet passageway, and pressure regulation cut-out chamber is formed with outlet passageway；Bonnet, is covered on valve body and is formed with chamber with valve body；Barrier film, sealing is located between valve body and bonnet and chamber is divided into inner cavity chamber and exocoel by barrier film, and inner cavity chamber communicates with pressure regulation cut-out chamber；Connector, can drive connector to be vertically moved up or down located at diaphragm center, and when inside and outside chamber produces draught head by barrier film；Swing arm unit, is connected in inner cavity chamber and with connector；Pressure regulating dump valve, cuts off at chamber located at pressure regulation and connects inlet channel and outlet passageway, pressure regulating dump valve is provided with the pressure regulation valve head and valve rod being connected, and valve rod is connected with swing arm unit.The utility model has the advantages that cost is low, safe.
Description
Technical field
The utility model belongs to valve technology field, and in particular to a kind of lever pressure difference safety regulating valve.
Background technology
, there is following lack in the same type gas pressure regulator used in existing daily life and industrial production
Fall into：1st, in certain parameter area, pressure-bearing cavity is big, and barrier film compression area is big, and service life is short, and security risk is high；2nd, make
Cause high, a use cost height；3rd, volume is big, increases auxiliary facility cost, increases and takes useful space volume.
Utility model content
The purpose of this utility model is there is above mentioned problem for existing technology, it is proposed that one kind can be on gas piping
It is easily installed the automatic Regulation throttling being integrated and unexpected superpressure, under-voltage and automatic safe of stopping the supple of gas or steam closes the thick stick of (no outside power consumption)
Rod-type pressure difference safety regulating valve.
The purpose of this utility model can be realized by following technical proposal：A kind of lever pressure difference safety regulating valve, its
It is characterised by, including
Valve body, with inlet channel and outlet passageway, is formed with pressure regulation cut-out chamber in outlet passageway；
Bonnet, is covered on valve body and is formed with chamber with valve body；
Barrier film, sealing is located between valve body and bonnet and chamber is divided into inner cavity chamber and exocoel by barrier film, inner cavity chamber with
Pressure regulation cut-out chamber is communicated；
Connector, can drive connector vertical located at diaphragm center, and when inside and outside chamber produces draught head by barrier film
Lifting；
Swing arm unit, is connected in inner cavity chamber and with connector；
Pressure regulating dump valve, cuts off at chamber located at pressure regulation and connects inlet channel and outlet passageway, pressure regulating dump valve is provided with
The pressure regulation valve head and valve rod being connected, valve rod are connected with swing arm unit, and pressure regulation valve head can be controlled to move axially and lead to air inlet
Road is in outlet passageway and connected or dissengaged positions.
In above-mentioned lever pressure difference safety regulating valve, swing arm unit includes master rocker, transition arm and secondary-rocker, and master shakes
Arm is articulated and connected to be connected in valve body and master rocker one end with valve rod, and the other end is provided with magnetic part and can be attracting with transition arm, and
When the draught head that inside and outside chamber is produced is more than magnetic part suction, master rocker is disconnected with transition arm, and secondary-rocker one end is hinged
It is connected in valve body, the other end is connected with transition arm, is connected in the middle part of transition arm with connector.
In above-mentioned lever pressure difference safety regulating valve, contiguous block is hingedly connected with transition arm one end, secondary-rocker is worn
On contiguous block, auxiliary spring is arranged with secondary-rocker, and auxiliary spring can be compressed when secondary-rocker is swung.
In above-mentioned lever pressure difference safety regulating valve, offer and be equipped with deep-slotted chip breaker, deep-slotted chip breaker on transition arm
Connecting shaft and connecting shaft is fixed on connector.
In above-mentioned lever pressure difference safety regulating valve, there is groove in the other end of master rocker and groove is located at transition
Lower section in the middle part of arm, above-mentioned magnetic part is located in groove.
In above-mentioned lever pressure difference safety regulating valve, be arranged with main spring on connector, main spring one end against
On barrier film, the other end is resisted against on bonnet.
In above-mentioned lever pressure difference safety regulating valve, connector includes the upper connector and lower connector being fixedly connected with,
Upper connector be located at exocoel in and main spring be sheathed on connector, lower connector be located at inner cavity chamber in and with above-mentioned company
Spindle is connected.
In above-mentioned lever pressure difference safety regulating valve, upper connector is provided with loose collar, has two pairs on bonnet
Claim to be arranged with secondary spring on the limited post set, limited post and secondary spring one end is resisted against on loose collar.
In the above-mentioned lever pressure difference safety regulating valve, also there is connection inlet channel and outlet passageway in valve body
Filter chamber, is provided with filter in filter chamber.
In above-mentioned lever pressure difference safety regulating valve, articulation is provided with inlet channel.
Compared with prior art, the utility model has advantages below：
1st, install magnetic-clutching body additional in master rocker beam position, do not increase original space.
The 2nd, independent pressure regulation cut-out cavity is set, and backspacing a position is counter to fill master rocker, front interior cavity space of soaring.
3rd, install adjustable high-performance articulation in inlet channel additional, reduce auxiliary facility part, facilitate installation and sell
Construction is safeguarded afterwards.
4th, in an equipment inner chamber point space, chamber is cut off close to pressure regulation, a filter is installed additional as last road of import source of the gas
Filtering chamber, it is ensured that pressure regulation, the long-term normal work of cut-out two valve ports energy, extends maintenance period, improves safe handling rate, reduction makes
Use cost.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of valve body in the utility model.
Fig. 3 is the structural representation of swing arm unit in the utility model.
Fig. 4 is the configuration schematic diagram of swing arm unit in the utility model.
In figure, 1, valve body；1a, inlet channel；1b, outlet passageway；1c, pressure regulation cut-out chamber；1d, inner cavity chamber；1e, exocoel
Room；1f, filter chamber；2nd, bonnet；2a, limited post；3rd, barrier film；4th, connector；4a, upper connector；4b, lower connector；5th, pressure regulation
Stop valve；6th, pressure regulation valve head；7th, valve rod；8th, main spring；9th, master rocker；10th, transition arm；10a, deep-slotted chip breaker；11st, secondary-rocker；12、
Magnetic part；13rd, auxiliary spring；14th, filter；15th, articulation；16th, contiguous block；17th, secondary spring；18th, loose collar.
Embodiment
The following is specific embodiment of the utility model and with reference to accompanying drawing, further is made to the technical solution of the utility model
Description, but the utility model is not limited to these embodiments.
As shown in Figures 1 to 4, this lever pressure difference safety regulating valve includes valve body 1, bonnet 2, barrier film 3, connector 4, pendulum
Arm component and pressure regulating dump valve 5, wherein valve body 1 have inlet channel 1a and outlet passageway 1b, are formed with outlet passageway 1b
Pressure regulation cut-out chamber 1c；Bonnet 2 is covered on valve body 1 and is formed with chamber with valve body 1, and the sealing of barrier film 3 is located at valve body 1 and bonnet 2
Between and chamber is divided into inner cavity chamber 1d and exocoel 1e by barrier film 3, inner cavity chamber 1d is communicated with pressure regulation cut-out chamber 1c；Connector 4
By barrier film 3 connector 4 can be driven to be vertically moved up or down located at the center of barrier film 3, and when inside and outside chamber 1e produces draught head；Swing arm
Component is connected in inner cavity chamber 1d and with connector 4；Pressure regulating dump valve 5, which cuts off at chamber 1c located at pressure regulation and connects air inlet, to be led to
Road 1a and outlet passageway 1b, pressure regulating dump valve 5 is provided with the pressure regulation valve head 6 and valve rod 7 being connected, and valve rod 7 is connected with swing arm unit,
And pressure regulation valve head 6 can be controlled to move axially and make inlet channel 1a with outlet passageway 1b in connecting or dissengaged positions, in connection
Main spring 8 is arranged with body 4, the one end of main spring 8 is resisted against on barrier film 3, and the other end is resisted against on bonnet 2.
The utility model be it is a kind of can be easily installed on gas piping the automatic Regulation throttling being integrated and unexpected superpressure,
Under-voltage and automatic safe of stopping the supple of gas or steam closes the lever pressure difference safety regulating valve of (no outside power consumption), is set in the cavity of regulating valve
The inner cavity chamber 1d of the Packed regulation pressure and exocoel 1e of the separated insertion atmospheric pressure of barrier film 3.Match somebody with somebody at the center of barrier film 3
There is the connector 4 of exocoel 1e parts in connection.Pressure regulation valve head 6 in pressure regulation cut-out chamber 1c connects master rocker 9 and pair by valve rod 7
Rocking arm 11 acts on exocoel 1e main springs 8 come the size of its aperture of normal regulating by the connector 4 of barrier film 3, control gas
Flow and pressure, make it downstream be supplied in the parameter area of setting.
Before the valve port of pressure regulating dump valve 5 is put, valve rod 7 is not passed through valve port, and pressure regulator valve is offset without increasing valve port area
The sectional area of bar 7, such relative increase pressure of the pressure regulation valve head 6 to valve port.So as to reduce the closing presure of equipment, improve
Equipment safety grade.
When upstream gas pressure beyond setting scope (superpressure, under-voltage, stop the supple of gas or steam), or because of valve head fault accommodation failure,
Upstream device failure, improper use cause excessively stream, tempering etc. factor to cause this equipment normally to supply, it is possible to downstream
When equipment and surrounding environment constitute harm, the cut-out valve head in pressure regulation cut-out chamber 1c can close cut-out valve port in time, wider
Inside protect safety gas.
Further, swing arm unit includes master rocker 9, transition arm 10 and secondary-rocker 11, and master rocker 9 is articulated and connected in valve body
In 1 and one end of master rocker 9 is connected with valve rod 7, and the other end is provided with magnetic part 12 and can be attracting with transition arm 10, and works as inside and outside chamber
Master rocker 9 is disconnected with transition arm 10 when the draught head that room 1e is produced is more than 12 suction of magnetic part, and the one end of secondary-rocker 11 is hinged
It is connected in valve body 1, the other end is connected with transition arm 10, the middle part of transition arm 10 is connected with connector 4, in the one end of transition arm 10 hinge
Contiguous block 16 is connected in succession, secondary-rocker 11 is arranged on contiguous block 16, auxiliary spring 13 is arranged with secondary-rocker 11, and when pair is shaken
Arm 11 can compress auxiliary spring 13 when swinging, by secondary-rocker 11 and the one group of vector of formation of auxiliary spring 13, so that controllable with master rocker 9
Motion can change the secondary-rocker 11 of its mechanics parameter, carry out supplementary function in the main spring 8 on master rocker 9 in impulse stroke
Pad value, so that equipment reduces closing presure, reduces total stress value of barrier film 3, extends its service life.It can also be made not
On the premise of reducing the precision of voltage regulation, increase rate of discharge, cause the device to use across level, reduce use cost.Other auxiliary spring 13
With the collective effect of main spring 8 in the body of barrier film 3 and other components, the strength of resonance can be weakened, cut-out valve pad cut-out pressure is increased, accomplish
One uses, and improves equipment performance, saves manufacturing cost.
Install master rocker 9 additional a magnetic part 12 simultaneously, when exception or inlet pressure superelevation occurs in pressure regulation valve port, cause inner chamber
With downstream pressure rise, more than setting pressure, master rocker 9 can be disconnected, and band ovable valve stem 7 is pulled back, cut-out upstream high side gas
Body, it is ensured that upstream device facility with gas safety.
Further, offered on transition arm 10 in deep-slotted chip breaker 10a, deep-slotted chip breaker 10a and be equipped with connecting shaft and connecting shaft
It is fixed on connector 4.
Further, the other end in master rocker 9 has groove and groove is located at below the middle part of transition arm 10, above-mentioned magnetic
Property part 12 be located at groove in.
Further, the upper connector 4a and lower connector 4b, upper connector 4a that connector 4 includes being fixedly connected with are located at exocoel
Room 1e is interior and main spring 8 is sheathed on connector 4a, and lower connector 4b is located in inner cavity chamber 1d and solid with above-mentioned connecting shaft
Even.
Further, upper connector 4a is provided with loose collar 18, has two symmetrically arranged limited post 2a on bonnet 2,
Secondary spring 17 is arranged with limited post 2a and the one end of secondary spring 17 is resisted against on loose collar 18.
Further, also there is connection inlet channel 1a and outlet passageway 1b filter chamber 1f in valve body 1, in filter chamber
Filter 14 is provided with 1f, last road filtering chamber of import source of the gas is used as by filter 14, it is ensured that pressure regulation, two valve ports of cut-out
Can long-term normal work.
Further, it is provided with inlet channel 1a in articulation 15, inlet channel 1a and installs adjustable high-performance loose joint additional
First 15, auxiliary facility part is reduced, facilitates installation and after-sales service to construct.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (10)
1. a kind of lever pressure difference safety regulating valve, it is characterised in that including
Valve body, with inlet channel and outlet passageway, is formed with pressure regulation cut-out chamber in outlet passageway；
Bonnet, is covered on valve body and is formed with chamber with valve body；
Barrier film, sealing is located between valve body and bonnet and chamber is divided into inner cavity chamber and exocoel, inner cavity chamber and pressure regulation by barrier film
Cut-out chamber is communicated；
Connector, can drive connector vertically to rise located at diaphragm center, and when inside and outside chamber produces draught head by barrier film
Drop；
Swing arm unit, is connected in inner cavity chamber and with connector；
Pressure regulating dump valve, cuts off at chamber located at pressure regulation and connects inlet channel and outlet passageway, pressure regulating dump valve is provided with connected
The pressure regulation valve head and valve rod connect, valve rod is connected with swing arm unit, and can control pressure regulation valve head move axially and make inlet channel and
Outlet passageway is in connection or dissengaged positions.
2. lever pressure difference safety regulating valve according to claim 1, it is characterised in that swing arm unit include master rocker,
Transition arm and secondary-rocker, master rocker is articulated and connected to be connected in valve body and master rocker one end with valve rod, and the other end is provided with magnetic part
And can be attracting with transition arm, and master rocker departs from transition arm when the draught head that inside and outside chamber is produced is more than magnetic part suction
Connection, secondary-rocker one end is articulated and connected in valve body, and the other end is connected with transition arm, is connected in the middle part of transition arm with connector.
3. lever pressure difference safety regulating valve according to claim 2, it is characterised in that be articulated and connected in transition arm one end
There is contiguous block, secondary-rocker is arranged on contiguous block, auxiliary spring is arranged with secondary-rocker, and pair can be compressed when secondary-rocker is swung
Spring.
4. the lever pressure difference safety regulating valve according to Claims 2 or 3, it is characterised in that offered on transition arm
Connecting shaft is equipped with deep-slotted chip breaker, deep-slotted chip breaker and connecting shaft is fixed on connector.
5. the lever pressure difference safety regulating valve according to Claims 2 or 3, it is characterised in that in the other end of master rocker
The lower section in the middle part of transition arm with groove and groove, above-mentioned magnetic part is located in groove.
6. the lever pressure difference safety regulating valve according to claim 1 or 2 or 3, it is characterised in that be arranged on connector
There is main spring, main spring one end is resisted against on barrier film, and the other end is resisted against on bonnet.
7. lever pressure difference safety regulating valve according to claim 6, it is characterised in that connector is upper including what is be fixedly connected with
Connector and lower connector, upper connector is located in exocoel and main spring is sheathed on connector, and lower connector is located at interior
It is connected in chamber and with above-mentioned connecting shaft.
8. lever pressure difference safety regulating valve according to claim 7, it is characterised in that upper connector is provided with activity
Ring, with two symmetrically arranged limited posts on bonnet, is arranged with secondary spring on limited post and secondary spring one end is resisted against
On loose collar.
9. the lever pressure difference safety regulating valve according to claim 1 or 2 or 3, it is characterised in that also have in valve body
The filter chamber of inlet channel and outlet passageway is connected, filter is provided with filter chamber.
10. the lever pressure difference safety regulating valve according to claim 1 or 2 or 3, it is characterised in that in inlet channel
Provided with articulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720177470.4U CN206487923U (en) | 2017-02-27 | 2017-02-27 | Lever pressure difference safety regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720177470.4U CN206487923U (en) | 2017-02-27 | 2017-02-27 | Lever pressure difference safety regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206487923U true CN206487923U (en) | 2017-09-12 |
Family
ID=59762449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720177470.4U Expired - Fee Related CN206487923U (en) | 2017-02-27 | 2017-02-27 | Lever pressure difference safety regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206487923U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764004A (en) * | 2017-02-27 | 2017-05-31 | 宁波万照燃气设备有限公司 | Lever pressure difference safety regulating valve |
-
2017
- 2017-02-27 CN CN201720177470.4U patent/CN206487923U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764004A (en) * | 2017-02-27 | 2017-05-31 | 宁波万照燃气设备有限公司 | Lever pressure difference safety regulating valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170912 Termination date: 20210227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |