CN106051239A - Double-channel building pressure regulator with pressure overrun cut-off valve - Google Patents
Double-channel building pressure regulator with pressure overrun cut-off valve Download PDFInfo
- Publication number
- CN106051239A CN106051239A CN201610503034.1A CN201610503034A CN106051239A CN 106051239 A CN106051239 A CN 106051239A CN 201610503034 A CN201610503034 A CN 201610503034A CN 106051239 A CN106051239 A CN 106051239A
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- Prior art keywords
- valve
- pressure regulator
- spool
- pressure
- spring
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses a double-channel building pressure regulator with a pressure overrun cut-off valve. The double-channel building pressure regulator comprises a main pressure regulating channel provided with a main pressure regulator and a valve opening for connecting a pressure regulating front section and a pressure regulating rear section, wherein a pressure regulating valve element of the main pressure regulator is located at an outlet end of a fuel gas channel of the valve opening, and the front end of the valve opening is provided with the cut-off valve. The cut-off valve comprises a valve element arranged on a valve body in a sliding fit manner, the valve element is connected with a locking mechanism, a first spring is arranged between the valve element and the valve body, and the first spring is used for driving the valve element to move through elastic force and blocking the fuel gas channel of the valve opening; the locking mechanism comprises a locking pin, the locking pin locks the valve element when the valve is in an open state after being transversely inserted in an annular groove of the valve element, the two sides of the locking pin are separately provided with a second spring and a diaphragm, and the second spring and the diaphragm are separately used for the locking and unlocking movement driving of the locking pin; and a diaphragm cavity formed between the diaphragm and the valve body communicates with the pressure regulating rear section. The double-channel building pressure regulator has the beneficial effects of being free of spark generating links, simple in structure, reliable in cutting and safe in use.
Description
Technical field
Patent of the present invention relates to a kind of fuel gas pipeline pressure-regulating device, particularly a kind of for combustion gas entrance Lou Dongqian
The two-way storied building pressure regulator with pressure limit stop valve.
Background technology
Two-way storied building pressure regulator is to enter building front special pressure actuator for fuel gas pipeline, main pressure regulator arranged side by side lead to
Road and secondary pressure regulation path composition, when needing maintenance with wherein loop, persistently can provide combustion gas to building.Existing two-way building
Pressure regulator includes that major and minor pressure regulator and two tee ball valves form two pressure regulation paths, with the position by changing ball for ball valve
Put, it is achieved being respectively communicated with of air inlet and outlet end mouth and two paths.It is provided with stop valve, to pass through when necessary in main voltage regulator front end
Stop valve turns off main pressure regulator path.But the stop valve in existing pressure regulator generally uses pressure switch to be actuated for stop valve
Control, utilize electromagnetic force to open, there is electrical equipment and produce pyrophoric potential safety hazard.For this reason, it may be necessary to improve further.
Summary of the invention
The purpose of the present invention is aiming at the deficiencies in the prior art, it is provided that a kind of two-way building with pressure limit stop valve
Pressure regulator, the stop valve in this pressure regulator as starting the driving power controlled, and is cut off power by energy storage by gaseous-pressure
The spring of element provides, and to form the stop valve of purely mechanic structure, can effectively eliminate because driven by power mode exists electronic component
Spark produces link.Its simple in construction, cut off reliable, use safety.
For achieving the above object, the present invention adopts the following technical scheme that.
A kind of two-way storied building pressure regulator with pressure limit stop valve, including main pressure regulator path arranged side by side and bypass pressure regulation
Path, main pressure regulator path is provided with main voltage regulator, and connects pressure regulation leading portion and the valve port of pressure regulation back segment, the pressure regulation of main voltage regulator
Spool is positioned at the blast tube port of export of valve port, and valve port front end is provided with stop valve, and this stop valve includes being slidably fitted on valve body
Spool, spool connect have lockable mechanism, be provided with the first spring between spool and valve body, to be in released state at lockable mechanism
Time, the elastic force of the first spring drives spool to move, and the blast tube of valve port is formed closure；Described lockable mechanism includes lock
Pin, lock pin by forming the locking of valve opening state to spool in the horizontal cannelure being inserted in spool, lock pin is respectively provided on two sides with
Second spring and barrier film, the second spring and barrier film are respectively used to the locking of lock pin and unlock mobile driving；Described barrier film and valve body
Between form diaphragm cavity, the pressure regulation back segment of the medium entrance of this diaphragm cavity and described main pressure regulator path is connected.
Use preceding solution the present invention, due to stop valve spool connect have lockable mechanism, spool and valve body it
Between be provided with the first spring, when lockable mechanism is in released state, spool drives mobile by the elastic force of the first spring, thus
The blast tube of valve port is formed closure.It is constant that it cuts off closedown power, is not affected by gaseous-pressure size, and simple in construction,
Cut off reliable.Wherein, lockable mechanism forms the locking moving spool, lock pin by the lock pin in the horizontal cannelure being inserted in spool
Spool locking and unblock is driven respectively by the second spring and barrier film；Diaphragm cavity, Jie of this diaphragm cavity is formed between barrier film and valve body
The pressure regulation back segment of matter import and described main pressure regulator path is connected.Therefore, when in diaphragm cavity, gaseous-pressure is more than setting value, barrier film
Promoted displacement by combustion gas, overcome the elastic force of the second spring to make the cannelure of lock pin abjection spool, reach spool and be unlocked
And the purpose of the blast tube closedown to valve port.To realize raising, to gaseous-pressure on pressure regulation back segment is abnormal, the cut-out controlled of transfiniting
Management, in its cutting-off controlling directly utilizes pressure regulation back segment, gaseous-pressure drives, and reliability is high, is not required to by other instrument and meters,
More need not driven by power control, eliminate electrical equipment and start the fire or the potential safety hazard of blast producing spark and bring.
Preferably, described lock pin is circular；The cannelure side of described spool is formed with the cone shaft shoulder, and lock pin is with described
The abutting state that the cone shaft shoulder is tangent forms the locking to spool.To facilitate manufacture, reduce manufacturing cost, and in time at lock
Pin is or/and in the case of spool rotates, all can realize reliably locking control.
Preferably, the described cone taper seat of the shaft shoulder and the angle α of valve core axis are between 75 °～85 °.Face angle
Degree parameter directly affects the reliability of locking and unlocks response speed, and the biggest locking of this angle is the most reliable, and angle is the least, solves phase-locked
Answering speed the fastest, therefore, the conditions such as rational frustoconical bevel angle needs according to lock pin and spool material, hardness, rough surface group are entered
Row Theoretical Calculation and lot of experiment validation obtain.Therefore, select rational frustoconical bevel angle, both can ensure that acquisition good reliability
With quick, quick unblock performance.
Preferably, described lock pin traverses in the middle part of tubular element, and the middle part of tubular element is provided with for through described spool
Bar shaped traverse perforation, lock pin is connected with described spool by the part being positioned at tubular element pipe；Tubular element passes through lock pin one
The mating holes that the pipe outer wall of side and described valve body are provided with forms sliding connection, and the endoporus of this section of pipeline section is formed interior
Rank, the endoporus of this section of pipeline section installs described second spring, and one end abutting of interior step and the second spring, another of the second spring
End is connected on plug screw, and plug screw is screwed on described valve body；Tubular element is positioned at the far-end of lock pin opposite side and is connected with barrier film.Pipe
Shape component and spool form the arrangement of decussation, and its topology layout is compact, and stop valve overall volume is little, install and take sky
Between little, it is adaptable to be laid in the narrow and small equipment of installation site or facility.
Preferably, the dish type end liner of rigidity it is fixedly connected with in the middle part of described barrier film.The major part of barrier film is formed rigidity knot
Structure, it is simple to the deformation of flexible portion is reliably converted into displacement, improves and controls sensitivity.
Preferably, described spool is formed closure by front end to the fluid passage of described valve port, and spool tail end exposes described valve
External body, spool tail end is formed with free-hand handgrip.To cut off at pipeline fluid and to fix a breakdown, or fluid pressure drop is low
After, free-hand pull spool until by automatic locking.
Preferably, building regulator also includes two tee ball valves being respectively provided at entrance end, described main pressure regulator path
Being positioned in the middle of two tee ball valves with bypass pressure regulation path, bypass pressure regulation path two ends are respectively by the bend pipe tee ball valve of 90 degree
Connect, between two bend pipes, be provided with secondary pressure regulator；The described bend pipe being positioned at secondary pressure regulator entrance point forms one by ball-valve structure
First bend pipe ball valve of structure, and ball-valve structure is formed on the pipeline section being connected with described tee ball valve；It is positioned at secondary pressure regulator to go out
The described bend pipe of mouth end forms the second bend pipe ball valve of integrative-structure by ball-valve structure, and the pipeline section of the second bend pipe ball valve is formed
There is branch tube.Owing to being positioned at the described bend pipe first bend pipe by ball-valve structure formation integrative-structure of secondary pressure regulator entrance point
Ball valve, can turn off the bypass pressure regulation path with secondary pressure regulator by bend pipe ball valve, and unrelated with ball valve location status, and can profit
It is in, with ball valve, the state shutoff bypass that pressure regulator import turns off with main pressure regulator path with bypass formation, makes main pressure regulator logical
In the off case, whole path cuts off with source of the gas on road, eliminates gas leakage hidden danger；Simultaneously as ball-valve structure be formed at
On the pipeline section that described tee ball valve connects, therefore, the whole bypass path turned off by the first bend pipe ball valve is also cut off with source of the gas,
Hidden danger without gas leakage.It addition, utilize the second bend pipe ball valve, eliminate and supply at main pressure regulator path, during bypass pressure regulation path blockade,
Hidden danger is poured in down a chimney in the combustion gas that combustion gas is made up of bypass outlet end, even if the pressure regulator port of export forms shutoff by tee ball valve with bypass
State, can guarantee by the way of increasing by one and heavily ensureing that bypassing pressure regulation path thoroughly completely cuts off with main pressure regulator path.Meanwhile, also can be square
Just by branch tube arrange pressure measurement take over.Its simple in construction, easy to operate, and turn off reliable, use safety.
It is further preferred that the attachment structure of described first bend pipe ball valve and the second bend pipe ball valve is all tied in kidney-shaped flange
Structure.Guarantee convenience and reliability that the first bend pipe ball valve and the second bend pipe ball valve be connected with adjacent elements.
The invention has the beneficial effects as follows, the driving power that the stop valve in pressure regulator is controlled as startup by gaseous-pressure,
And cut-out power is provided by the spring of energy-storage travelling wave tube, to form the stop valve of purely mechanic structure, can effectively eliminate because of driven by power
There is electronic component spark and produce link in mode.Its simple in construction, cut off reliable, use safety.And pressure regulator can be simultaneously reliable
Two paths of shutoff.
Accompanying drawing explanation
Fig. 1 is the structural representation axonometric drawing of the present invention.
Fig. 2 is the part-structure schematic diagram in the present invention.
Detailed description of the invention
The present invention is further illustrated below in conjunction with the accompanying drawings, but the most therefore limits the present invention to described enforcement
Among example scope.
Seeing Fig. 1, Fig. 2, a kind of two-way storied building pressure regulator with pressure limit stop valve, including being respectively provided at import and export
Two tee ball valves 14 of end, are formed with main pressure regulator path arranged side by side and bypass pressure regulation path between two tee ball valves 14, main
Pressure regulation path is provided with main voltage regulator 13, and connects pressure regulation leading portion and the valve port 1 of pressure regulation back segment, and pressure regulation leading portion is provided with pressure
Table 18, in order to observing pressure condition, main pressure regulator back segment is provided with the first pressure measurement nozzle valve 19, to connect pressure detecting pipe,
Thering is provided source of the gas for pressure regulation pressure detecting if desired, the adjusting pressuring valve core 13a of main voltage regulator 13 is positioned at the blast tube outlet of valve port 1
End, valve port 1 front end is provided with stop valve 30, and this stop valve 30 includes the spool 3 being slidably fitted on valve body 2, and spool 3 is by front end pair
The blast tube of described valve port 1 forms closure, and it is outside that spool 3 tail end exposes described valve body 2, and spool 3 tail end is formed with socket cap
The free-hand handgrip 3b of shape, the free-hand handgrip 3b outer end of spool 3 is provided with the protective cover 11 being screwed on valve body 2；Spool 3
Connect and have lockable mechanism, between spool 3 and valve body 2, be provided with the first spring 4, with when lockable mechanism is in released state, first
The elastic force of spring 4 drives spool 3 to move, and the blast tube of valve port 1 is formed closure；Lockable mechanism includes lock pin 5, lock pin
5 by forming the locking of valve opening state to spool 3 in the horizontal cannelure being inserted in spool 3, lock pin 5 is respectively provided on two sides with second
Spring 6 and barrier film 7, the second spring 6 and barrier film 7 are respectively used to the locking of lock pin 5 and unlock mobile driving；Described barrier film 7 and valve
The pressure regulation back segment forming diaphragm cavity, the medium entrance of this diaphragm cavity and described main pressure regulator path between body 2 is connected.
Wherein, lock pin 5 is circular；The cannelure side of spool 3 is formed with cone shaft shoulder 3a, lock pin 5 and conical shaft
The abutting state that shoulder 3a is tangent forms the locking to spool 3；The taper seat of cone shaft shoulder 3a and the angle α of spool 3 axis
Between 75 °～85 °.Lock pin 5 traverses in the middle part of tubular element 8, and the middle part of tubular element 8 is provided with for through spool 3
Perforation is traversed in bar shaped, and lock pin 5 is connected with described spool 3 by the part being positioned at tubular element 8 pipe；Tubular element 8 is by lock pin 5
The mating holes that the pipe outer wall of side and described valve body 2 are provided with forms sliding connection, in the endoporus of this section of pipeline section is formed
Step, the endoporus of this section of pipeline section installs described second spring 6, and one end of interior step and the second spring 6 abuts, the second spring 6
The other end be connected on plug screw 9, plug screw 9 is screwed on described valve body 2, and plug screw 9 is outside is provided with the protection being screwed on valve body 2
Lid 10, valve body 2 is screwed togather with plug screw 9 and protection cap 10 by same screw；Tubular element 8 be positioned at the far-end of lock pin 5 opposite side with
Barrier film 7 connects.
Bypass conduit two ends are connected with tee ball valve 14 by the bend pipe of 90 degree respectively, are provided with secondary pressure regulator between two bend pipes
15, the described bend pipe being positioned at secondary pressure regulator 15 entrance point forms the first bend pipe ball valve 16 of integrative-structure by ball-valve structure, and
Ball-valve structure is formed on the pipeline section being connected with described tee ball valve 14.The described bend pipe being positioned at secondary pressure regulator 15 port of export passes through
Ball-valve structure forms the second bend pipe ball valve 17 of integrative-structure, and the pipeline section of the second bend pipe ball valve 17 is formed with branch tube, should
Connect on branch tube and have the second pressure measurement nozzle valve 20, to connect pressure detecting pipe, provide source of the gas for pressure detecting when necessary,
The attachment structure of the first bend pipe ball valve 16 and the second bend pipe ball valve 17 is all in kidney-shaped flange arrangement.
In the present embodiment, the cone taper seat of shaft shoulder 3a and the angle α of spool 3 axis are between 78 °～82 °
Good.
The preferred embodiment of the present invention described in detail above.Should be appreciated that those of ordinary skill in the art without
Need creative work just can make many modifications and variations according to the design of the present invention.Therefore, all technology in the art
Personnel are available by logical analysis, reasoning, or a limited experiment the most on the basis of existing technology
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (8)
1. there is a two-way storied building pressure regulator for pressure limit stop valve, lead to including main pressure regulator path arranged side by side and bypass pressure regulation
Road, main pressure regulator path is provided with main voltage regulator (13), and connects pressure regulation leading portion and the valve port (1) of pressure regulation back segment, main voltage regulator
(13) adjusting pressuring valve core (13a) is positioned at the blast tube port of export of valve port (1), and valve port (1) front end is provided with stop valve (30), and this is cut
Disconnected valve (30) includes the spool (3) being slidably fitted on valve body (2), and spool (3) connects lockable mechanism, spool (3) and valve body
(2) being provided with the first spring (4) between, with when lockable mechanism is in released state, the elastic force of the first spring (4) drives spool
(3) mobile, and the blast tube of valve port (1) is formed closure；It is characterized in that, described lockable mechanism includes lock pin (5), lock pin
(5) by spool (3) is formed in the horizontal cannelure being inserted in spool (3) locking of valve opening state, lock pin (5) both sides are respectively
It is provided with the second spring (6) and barrier film (7), the second spring (6) and barrier film (7) be respectively used to the locking of lock pin (5) and unlock mobile
Drive；Diaphragm cavity, the medium entrance of this diaphragm cavity and described main pressure regulator path is formed between described barrier film (7) and valve body (2)
Pressure regulation back segment is connected.
The two-way storied building pressure regulator with pressure limit stop valve the most according to claim 1, it is characterised in that described lock
Pin (5) is circular；The cannelure side of described spool (3) is formed with the cone shaft shoulder (3a), lock pin (5) and described conical shaft
Shoulder (3a) forms the locking to spool (3) in tangent abutting state.
The two-way storied building pressure regulator with pressure limit stop valve the most according to claim 1, it is characterised in that described circle
The taper seat of the taper shaft shoulder (3a) and the angle α of spool (3) axis are between 75 °～85 °.
The two-way storied building pressure regulator with pressure limit stop valve the most according to claim 1, it is characterised in that described lock
Pin (5) traverses at tubular element (8) middle part, and the middle part of tubular element (8) is provided with for traversing through the bar shaped of described spool (3)
Perforation, lock pin (5) is connected with described spool (3) by the part being positioned at tubular element (8) pipe；Tubular element (8) passes through lock pin
(5) mating holes that the pipe outer wall of side and described valve body (2) are provided with forms sliding connection, and the endoporus of this section of pipeline section is formed
Having interior step, the endoporus of this section of pipeline section installs described second spring (6), and one end of interior step and the second spring (6) abuts, the
The other end of two springs (6) is connected on plug screw (9), and plug screw (9) is screwed on described valve body (2)；Tubular element (8) is positioned at lock
The far-end of pin (5) opposite side is connected with barrier film (7).
5., according to the two-way storied building pressure regulator with pressure limit stop valve described in any one in Claims 1 to 4, it is special
Levying and be, described barrier film (7) middle part is fixedly connected with the dish type end liner (10) of rigidity.
6., according to the two-way storied building pressure regulator with pressure limit stop valve described in any one in Claims 1 to 4, it is special
Levying and be, described spool (3) is formed closure by front end to the blast tube of described valve port (1), and spool (3) tail end exposes described valve
Body (2) is outside, and spool (3) tail end is formed with free-hand handgrip (3b).
7., according to the two-way storied building pressure regulator with pressure limit stop valve described in any one in Claims 1 to 4, it is special
Levy and be, also include two tee ball valves (14) being respectively provided at entrance end, described main pressure regulator path and bypass pressure regulation path
Being positioned in the middle of two tee ball valves (14), bypass pressure regulation path two ends are connected by the bend pipe tee ball valve (14) of 90 degree respectively,
Secondary pressure regulator (15) it is provided with between two bend pipes；The described bend pipe being positioned at secondary pressure regulator (15) entrance point forms one by ball-valve structure
First bend pipe ball valve (16) of body structure, and ball-valve structure is formed on the pipeline section being connected with described tee ball valve (14)；It is positioned at
The described bend pipe of secondary pressure regulator (15) port of export forms the second bend pipe ball valve (17) of integrative-structure by ball-valve structure, and second is curved
It is formed with branch tube on the pipeline section of pipe ball valve (17).
The two-way storied building pressure regulator with pressure limit stop valve the most according to claim 7, it is characterised in that described
The attachment structure of one bend pipe ball valve (16) and the second bend pipe ball valve (17) is all in kidney-shaped flange arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610503034.1A CN106051239A (en) | 2016-06-30 | 2016-06-30 | Double-channel building pressure regulator with pressure overrun cut-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610503034.1A CN106051239A (en) | 2016-06-30 | 2016-06-30 | Double-channel building pressure regulator with pressure overrun cut-off valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106051239A true CN106051239A (en) | 2016-10-26 |
Family
ID=57200325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610503034.1A Pending CN106051239A (en) | 2016-06-30 | 2016-06-30 | Double-channel building pressure regulator with pressure overrun cut-off valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106051239A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19952610A1 (en) * | 1998-11-24 | 2000-05-25 | Fiorentini Minireg S P A | Stop valve for controlling low and high pressure fluid flow has cam which shifts with diaphragm based on variation in pressure of fluid |
| CN2432411Y (en) * | 2000-06-23 | 2001-05-30 | 重庆市山城燃气设备有限公司 | Gas pressure regulator |
| CN201116654Y (en) * | 2007-08-31 | 2008-09-17 | 重庆市山城燃气设备有限公司 | Two-way building combustion gas pressure regulating device box |
| CN201391672Y (en) * | 2009-03-26 | 2010-01-27 | 济南高新华能气动液压有限公司 | Return adjustable pneumatic butterfly valve actuator |
-
2016
- 2016-06-30 CN CN201610503034.1A patent/CN106051239A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19952610A1 (en) * | 1998-11-24 | 2000-05-25 | Fiorentini Minireg S P A | Stop valve for controlling low and high pressure fluid flow has cam which shifts with diaphragm based on variation in pressure of fluid |
| CN2432411Y (en) * | 2000-06-23 | 2001-05-30 | 重庆市山城燃气设备有限公司 | Gas pressure regulator |
| CN201116654Y (en) * | 2007-08-31 | 2008-09-17 | 重庆市山城燃气设备有限公司 | Two-way building combustion gas pressure regulating device box |
| CN201391672Y (en) * | 2009-03-26 | 2010-01-27 | 济南高新华能气动液压有限公司 | Return adjustable pneumatic butterfly valve actuator |
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Application publication date: 20161026 |