CN106499869A - A kind of pressure regulator and fuel gas transmission equipment - Google Patents
A kind of pressure regulator and fuel gas transmission equipment Download PDFInfo
- Publication number
- CN106499869A CN106499869A CN201611215236.2A CN201611215236A CN106499869A CN 106499869 A CN106499869 A CN 106499869A CN 201611215236 A CN201611215236 A CN 201611215236A CN 106499869 A CN106499869 A CN 106499869A
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- China
- Prior art keywords
- chamber
- flexible sheet
- thermal expansion
- surge
- drive mechanism
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Classifications
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- 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
- F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation
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- 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
- F16K31/126—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like
- F16K31/1262—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like one side of the diaphragm being spring loaded
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- 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
- F16K31/126—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like
- F16K31/1268—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like with a plurality of the diaphragms
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
The present invention provides a kind of pressure regulator and fuel gas transmission equipment, it is related to gas-fired equipment field, including housing, surge-chamber, the first flexible sheet and the first drive mechanism, first flexible sheet surrounds the thermal expansion room for placing thermal expansion agent of sealing with housing, surge-chamber and thermal expansion room are located at the opposite sides of the first flexible sheet respectively, first drive mechanism is located at surge-chamber and is connected with the first flexible sheet, and the first drive mechanism is coordinated with the transmission of cock body component.There is the emergencies such as fire in the pressure regulator, thermal expansion agent in thermal expansion room on its interior is heated, the first flexible sheet is caused to extrude into pressure regulation room, drive the first drive mechanism, so as to drive cock body component that inlet close is cut off fuel gas path, spreading for the gas leakage aggravation intensity of a fire is prevented.After fire dangerous situation is excluded, thermal expansion agent cooling meat recovers state during normal use, realizes the recycling of equipment, it is to avoid the wasting of resources.
Description
Technical field
The present invention relates to gas-fired equipment field, in particular to a kind of pressure regulator and fuel gas transmission equipment.
Background technology
With being showing improvement or progress day by day for society, natural gas has been widely used for cooking stove in daily life, water heater, radiator etc.
In equipment, which has been commonly people as a kind of energy for more cleaning and has been received.For domestic developed regions, frame
If pipeline natural gas is topmost to use gas mode.And for some less flourishing areas, due to setting up pipeline
High cost, the liquefied natural gas stored using steel cylinder is then a kind of good alternative.
For the steel cylinder equipped with liquefied gas, its internal pressure is big, and needing could be by user security by air relief valve
Use.Due to the natural gas for storing compressed liquefaction in a large number in steel cylinder, and steel cylinder is when being typically placed at this class of kitchen
Often there is naked light where, these steel cylinders are the presence of the potential safety hazard of some in itself.Once generation fire, and fuel gas path
Can not cut off in time, the combustion gas leaked out by steel cylinder can be further exacerbated by fire spread or even explode, to the control of fire
Bring very big trouble.
Content of the invention
It is an object of the invention to provide a kind of pressure regulator, which can cut off rapidly fuel gas path when being heated, resistance
Only combustion gas leaks, and can tackle the emergency cases such as fire in time.And the pressure regulator is after the cooling period, can recover as before,
Realize recycling.
Another object of the present invention is to providing a kind of fuel gas transmission equipment, which includes above-mentioned pressure regulator, the device
Run into temperature too high when, fuel gas path can be cut off rapidly by pressure regulator, prevent combustion gas from leaking, allow the user can be more
The use combustion gas of safety.
Embodiments of the invention are realized in：
A kind of pressure regulator, including housing, enclosure interior is provided with surge-chamber and regulator, and housing is provided with air inlet
Mouth and gas outlet, surge-chamber are connected with air inlet pipe and escape pipe with gas outlet respectively by air inlet, and pressure regulation is provided with use in room
In the cock body component of control air inlet opening and closing, cock body component is connected with regulator, and pressure regulator also includes the first bullet
Property diaphragm and the first drive mechanism, the first flexible sheet surrounds the thermal expansion room for placing thermal expansion agent of sealing with housing,
Surge-chamber and thermal expansion room are located at the opposite sides of the first flexible sheet respectively, and the first drive mechanism is located at surge-chamber and with first
Flexible sheet connects, and the first drive mechanism is coordinated with the transmission of cock body component, and the first drive mechanism is in thermal expansion room expanded by heating
Cock body component is driven by inlet close.
Further, in other preferred embodiments of the invention, regulator includes the second flexible sheet and the second transmission
Mechanism, the second flexible sheet and housing surround air chamber, and air chamber and surge-chamber are located at the opposite sides of the second flexible sheet respectively, the
Two drive mechanisms are located at surge-chamber and are connected with the second flexible sheet, and the second drive mechanism is coordinated with the transmission of cock body component, and second
Drive mechanism is driven cock body component by inlet close when air chamber compresses, and drives cock body component when air chamber expands by air inlet
Mouth is opened.
Further, in other preferred embodiments of the invention, cock body component includes that connecting rod and choking portion, connecting rod have phase
First end and the second end to setting, choking portion are fixedly connected on first end, and housing includes the peace in pressure regulation room
Dress portion, the middle part of connecting rod are connected by axis of rotation with installation portion, connecting rod can rotate around the axis with drive choking portion near or remote
From air inlet.
Further, in other preferred embodiments of the invention, the first flexible sheet is oppositely arranged with the second flexible sheet,
Thermal expansion room and air chamber are located at the relative both sides of surge-chamber respectively.
Further, in other preferred embodiments of the invention, thermal expansion room and air inlet are located at the same side of surge-chamber,
First drive mechanism includes the second end interval setting of the push rod being connected with the first flexible sheet, push rod and connecting rod, thermal expansion
During the expanded by heating of room, push rod is abutted with the second end, and drives choking portion to close air inlet by promoting the second end.
Further, in other preferred embodiments of the invention, thermal expansion room and air chamber are arranged side by side, and the two shares one section
Side wall, thermal expansion room and air chamber are located at the same side of surge-chamber.
Further, in other preferred embodiments of the invention, thermal expansion room and air inlet are respectively positioned at the phase of surge-chamber
To both sides, the first drive mechanism includes the push rod being connected with the first flexible sheet, push rod and choking portion interval setting, thermal expansion room
During expanded by heating, push rod is abutted with choking portion, and drives choking portion to close air inlet by promoting the second end.
Further, in other preferred embodiments of the invention, air chamber is located at the same side of surge-chamber with air inlet, and second
Drive mechanism includes that the pull bar being connected with the second flexible sheet, pull bar are hinged with one end away from choking portion of connecting rod.
Further, in other preferred embodiments of the invention, the side positioned at air chamber of the second flexible sheet is provided with
Pallet, is provided with back-moving spring between pallet and housing.
Further, in other preferred embodiments of the invention, set on the housing relative with the second flexible sheet in air chamber
Passage is equipped with, the closed rod being connected with the second flexure strip in air chamber, is provided with, closed rod is leaned on away from one end of the second flexure strip
Nearly passage and passage interval setting, air chamber drive closed rod to close passage when compressed.
A kind of fuel gas transmission equipment, which includes above-mentioned pressure regulator.
The beneficial effect of the embodiment of the present invention is：The invention provides a kind of pressure regulator, the pressure regulator is just
Often under working condition, according to the change of gaseous-pressure in surge-chamber, regulator can be quickly corresponding, and by closing and opening
Air inlet, to be adjusted to the gas pressure in surge-chamber so as to steady operation.Once the emergencies such as generation fire, should
Pressure regulator heating temperature rises, and causes the thermal expansion agent in thermal expansion room on its interior to be heated rapid expansion, causes the
One flexible sheet is extruded into pressure regulation room, drives the first drive mechanism, so as to drive cock body component to cut off inlet close
Fuel gas path, prevents spreading for the gas leakage aggravation intensity of a fire.Thermal expansion agent cooling after fire dangerous situation is excluded, in thermal expansion room
Shrink, make the pressure regulator recover state when normally using, realize the recycling of equipment, it is to avoid the wasting of resources.This
Bright additionally provide a kind of fuel gas transmission equipment, which includes above-mentioned pressure regulator, when the dangerous situation such as fire is tackled, can cut off in time
Fuel gas path, prevents the intensity of a fire from aggravating.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below by to be used attached needed for embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, and it is right to be therefore not construed as
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to this
A little accompanying drawings obtain other related accompanying drawings.
The pressure regulator that Fig. 1 is provided by first embodiment of the invention sectional view in the first state；
The pressure regulator that Fig. 2 is provided by first embodiment of the invention partial enlarged drawing in the first state；
The pressure regulator that Fig. 3 is provided by first embodiment of the invention sectional view in the second condition；
The pressure regulator that Fig. 4 is provided by first embodiment of the invention sectional view in a third condition；
The sectional view of the pressure regulator that Fig. 5 is provided by second embodiment of the invention.
Icon：100- pressure regulators；110- housings；111- side bodies；112- upper shells；113- lower houses；114- goes out
Trachea；115- air inlet pipe；120- surge-chambers；121- air inlets；122- valves；123- cock body components；1231- connecting rods；1232- is blocked up
Piston part；1233- first ends；1234- the second ends；1235- rotating shafts；124- installation portions；The first flexible sheets of 130-；131- heat
Expanding chamber；132- thermal expansion agent；133- push rods；The second flexible sheets of 140-；141- air chambers；142- pull bars；143- first is spacing
Ring；144- pallets；145- back-moving springs；146- passages；147- closed rods；The second spacing rings of 148-；200- pressure regulators；
210- sides wall.
Specific embodiment
Purpose, technical scheme and advantage for making embodiment of the present invention is clearer, below in conjunction with present invention enforcement
Accompanying drawing in mode, to embodiment of the present invention in technical scheme be clearly and completely described, it is clear that described reality
The mode of applying is a part of embodiment of the invention, rather than whole embodiments.Embodiment in based on the present invention, ability
The every other embodiment obtained under the premise of creative work is not made by domain those of ordinary skill, belongs to the present invention
The scope of protection.Therefore, below the detailed description of the embodiments of the present invention for providing in the accompanying drawings is not intended to limit will
The scope of the present invention of protection is sought, but is merely representative of the selected embodiment of the present invention.Embodiment in based on the present invention,
The every other embodiment obtained under the premise of creative work is not made by those of ordinary skill in the art, belongs to this
The scope of invention protection.
In describing the invention, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ", " up time
The orientation of instruction such as pin ", " counterclockwise " or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of
Description is of the invention and simplifies description, rather than indicates or imply that the equipment or element of indication must have specific orientation, Yi Te
Fixed azimuth configuration and operation, are therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In describing the invention, " multiple " are meant that two or more,
Unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integral；It can be direct phase
Even, it is also possible to be indirectly connected to by intermediary, can be that the connection of two element internals or the interaction of two elements are closed
System.For the ordinary skill in the art, above-mentioned term in the present invention concrete can be understood as the case may be
Implication.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score
The first and second feature directly contacts can be included, it is also possible to be not directly contact including the first and second features but by it
Between other characterisation contact.And, fisrt feature second feature " on ", " top " and " above " include that first is special
Levy directly over second feature and oblique upper, or fisrt feature level height is merely representative of higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
First embodiment
Fig. 1 is refer to, the present embodiment provides a kind of pressure regulator 100, and including housing 110, housing 110 is internally provided with
Surge-chamber 120 and regulator (sign).
As shown in figure 1, housing 110 is substantially into fusiform, including cylindric side body 111 with basic into cone shape
Upper shell 112 and lower house 113, surge-chamber 120 are located in the circular region of side body 111.The side of side body 111 is provided with
Gas outlet (not shown), gas outlet are connected with escape pipe 114, and surge-chamber 120 is in communication with the outside.Meanwhile, relative with gas outlet
Opposite side, the position of side body 111 is provided with air inlet 121, air inlet 121 and air inlet pipe in 120 diapire of surge-chamber
115 connections, surge-chamber 120 is connected with gas cylinder.To surge-chamber on the position of air inlet 121, the diapire of surge-chamber 120
A valve 122 is convexly equipped with 120, external combustion gas is entered in surge-chamber 120 by valve 122.
As depicted in figs. 1 and 2, cock body component 123 is provided with surge-chamber 120, the cock body component 123 is by 1231 He of connecting rod
Choking portion 1232 is constituted.Cylinder of the choking portion 1232 for a bottom surface band fluted (sign), the shape of groove and valve 122 pairs
Should, choking portion 1232 can be enclosed within valve 122 and close air inlet 121.Connecting rod 1231 has the first end being oppositely arranged
1233 and the second end 1234, first end 1233 is fixedly connected with the side of choking portion 1232, the second end 1234 and pressure regulation
Device is connected.Meanwhile, installation portion 124, installation portion 124 and company is convexly equipped with the diapire of surge-chamber 120 into surge-chamber 120
The middle part of bar 1231 rotates connection by rotating shaft 1235.Under the driving of regulator, connecting rod 1,231 1235 can be rotated around the shaft
To drive choking portion 1232 closer or far from air inlet 121.
As shown in figure 1, be additionally provided with the first flexible sheet 130 inside housing 110, the first flexible sheet 130 and lower house
The 113 1 thermal expansion rooms 131 for surrounding jointly sealing, surge-chamber 120 and thermal expansion room 131 are located at the first flexible sheet 130 respectively
Opposite sides.In thermal expansion room 131 built with thermal expansion agent 132, thermal expansion agent 132 is low boiling point organic solvent, including second
Acetoacetic ester, ethanol, benzene,toluene,xylene etc., when actually used, can be cut off corresponding during fuel gas path according to specific needs
Temperature, selects the single solvent or mixed solvent of corresponding boiling point.It should be noted that in other preferred embodiments of the invention
In, thermal expansion agent 132 can also be the solution of the solid of easy distillation or the release gas that can be heated, can be according to practical situation in addition
Select.
As depicted in figs. 1 and 2, the first flexible sheet 130 is connected with the first drive mechanism (sign), the first drive mechanism
It is located in surge-chamber 120.Specifically, the first drive mechanism is a push rod 133 for vertically arranging in the present embodiment, pushes away
Bar 133 be located at connecting rod 1231 the second end 1234 underface, and with 1234 interval setting of the second end.Extender is heated swollen
When swollen, the first flexible sheet 130 raises up, and drives push rod 133 to move upwards, after motion to a certain extent, push rod 133 and the
Two ends 1234 contact, and promote the second end 1234 to move upwards, and connecting rod 1,231 1235 is rotated around the shaft, drives choking portion
1232 move downward and most valve 122 is covered at last, form state as shown in Figure 3, reach the purpose of cut-out fuel gas path.When
When temperature reduces, extender cooling meat, push rod 133 are gradually separated with the second end 1234, and are returned to initial such as Fig. 4 institutes
The state that shows, reaches reusable purpose.
As shown in figure 1, regulator includes the second flexible sheet 140 and the second drive mechanism (sign).Second elasticity
Diaphragm 140 surrounds air chamber 141 jointly with upper shell 112, and air chamber 141 and surge-chamber 120 are located at the second flexible sheet 140 respectively
Opposite sides.In the present embodiment, the first flexible sheet 130 is oppositely arranged with the second flexible sheet 140 so that thermal expansion room
131 and air chamber 141 be located at the relative both sides of surge-chamber 120 respectively.In the present embodiment, the second drive mechanism is an edge vertically side
To the pull bar 142 for arranging, pull bar 142 is located in surge-chamber 120 and is fixedly connected with the second flexible sheet 140, pull bar 142 with
The junction of the second flexible sheet 140 is provided with the first spacing ring 143, and the first spacing ring 143 surrounds pull bar 142 and pull bar
142 interval settings, the first spacing ring 143 can limit pull bar 142 and deviate vertical direction swing within the specific limits, it is to avoid swing
Second flexible sheet 140 and pull bar 142 itself damage are caused greatly.
As depicted in figs. 1 and 2, the second end of the one end of pull bar 142 away from the second flexible sheet 140 and connecting rod 1231
1234 are hinged.When in surge-chamber 120, combustion gas air pressure is more than the air pressure of air in air chamber 141, combustion gas promotes the second flexible sheet
140 raise up, and drive pull bar 142 to move upwards, and the motion of pull bar 142 drives the second end 1234 to move upwards, connecting rod
1231 1235 rotate around the shaft, and drive choking portion 1232 is moved downward and most valve 122 is covered at last, is formed as shown in Figure 1
State, reaches the purpose of cut-out fuel gas path.Gradually discharging from gas outlet when the combustion gas in surge-chamber 120 causes surge-chamber 120
Interior air pressure reduces, and less than in air chamber 141, during the air pressure of air, the second flexible sheet of air push 140 in air chamber 141 recovers
Original state, drives pull bar 142 to move downward, and the motion of pull bar 142 drives the second end 1234 to move downward, and connecting rod 1231 is around the shaft
1235 rotate, and drive choking portion 1232 to move upwards and open air inlet 121, form state as shown in Figure 4, allow surge-chamber
Combustion gas in 120 is supplemented, allow combustion gas output stably within the specific limits.Preferably, second flexible sheet 140 is located at
The side of air chamber 141 is provided with pallet 144, is provided with back-moving spring 145 between pallet 144 and upper shell 112.Back-moving spring
145 can allow the second flexible sheet 140 to more quickly restore original state, make 100 response speed of whole pressure regulator faster, and combustion gas is defeated
Go out more stable.The elastic force that back-moving spring 145 is provided can then be disperseed by pallet 144, it is to avoid spring direct effect and bullet
Property diaphragm causes the damage of flexible sheet.
Preferably, as shown in Figure 1 and Figure 4, it is provided with relative with the second flexible sheet 140 housing 110 in air chamber 141
Passage 146, is provided with, in air chamber 141, the closed rod 147 being connected with the second flexible sheet 140, and closed rod 147 is along back-moving spring
145 axis arrange, its away from the second flexible sheet 140 one end near passage 146 and with 146 interval setting of passage.When
When air chamber 141 is compressed, the second flexible sheet 140 raises up, and the air extruded in air chamber 141 is discharged from passage 146, is subtracted
Its indoor air pressure few, the second flexible sheet 140 more quickly can be moved up.Meanwhile, the second flexible sheet 140
Closed rod 147 is driven to move upwards, when air inlet 121 is blocked the closing of piston part 1232, passage 146 is closed by closed rod 147,
Under with the collective effect of the residual air sealed up for safekeeping and back-moving spring 145, prevent the further deformation of the second flexible sheet 140 from causing
The damage of cock body component 123.When 120 air pressure of surge-chamber reduces, the second flexible sheet 140 restores to the original state, and drives closed rod 147
Move downward, passage 146 is reopened, outside air enters air inlet chamber 141 by passage 146, to the air in air chamber 141
Supplemented.Similarly, closed rod 147 is provided with the second spacing ring 148, the second limit near one end of the second flexible sheet 140
Position ring 148 is arranged around closed rod 147, in order to limit the motion of 147 in the vertical direction of closed rod.
Second embodiment
With reference to shown in Fig. 5, the present embodiment provides a kind of pressure regulator 200, including housing 110, arranges inside housing 110
There are surge-chamber 120 and regulator.Its basic class with a kind of structure of the pressure regulator 100 provided in first embodiment
Seemingly, its difference is：Thermal expansion room 131 and air chamber 141 are arranged side by side, and the two shares one section of side wall 210,131 He of thermal expansion room
Air chamber 141 is located at the same side of surge-chamber 120.
As shown in figure 5, the first flexible sheet 130 surrounds jointly the thermal expansion room of sealing with upper shell 112 and side wall 210 1
131, surge-chamber 120 and thermal expansion room 131 are located at the opposite sides of the first flexible sheet 130 respectively.Built-in in thermal expansion room 131
There is thermal expansion agent 132.First flexible sheet 130 is connected with the first drive mechanism, and the first drive mechanism is located in surge-chamber 120.
Specifically, the first drive mechanism is a push rod 133 for vertically arranging in the present embodiment, and push rod 133 is positioned at choking portion
1232 surface, and with 1232 interval setting of choking portion.During extender expanded by heating, the first flexible sheet 130 is downwardly convex,
Push rod 133 is driven to move downward, after motion to a certain extent, push rod 133 is contacted with choking portion 1232, and promotes choking portion 1232
Move downward most that valve 122 is covered at last, reach the purpose of cut-out fuel gas path.When the temperature decreases, extender cooling meat,
Push rod 133 is gradually separated with choking portion 1232, and returns to initial position, reaches reusable purpose.
Regulator includes the second flexible sheet 140 and the second drive mechanism.Second flexible sheet 140 and upper shell 112
Air chamber 141 is surrounded jointly with side wall 210, and air chamber 141 and surge-chamber 120 are respectively positioned at the opposite sides of the second flexible sheet 140.
In the present embodiment, the first flexible sheet 130 is highly essentially identical with the second flexible sheet 140 so that thermal expansion room 131 is gentle
Room 141 is located at the same side of surge-chamber 120.In the present embodiment, the second drive mechanism is a pull bar for vertically arranging
142, pull bar 142 is located in surge-chamber 120 and is fixedly connected with the second flexible sheet 140, in pull bar 142 and the second flexible sheet
140 junction is provided with the first spacing ring 143, the first spacing ring 143 around pull bar 142 and with 142 interval setting of pull bar, the
One spacing ring 143 can limit pull bar 142 and deviate vertical direction swing within the specific limits, it is to avoid swing is excessive to cause the second elasticity
Diaphragm 140 and pull bar 142 damage of itself.
As shown in figure 5, pull bar 142 is cut with scissors with the second end 1234 of connecting rod 1231 away from one end of the second flexible sheet 140
Connect.When in surge-chamber 120, combustion gas air pressure is more than the air pressure of air in air chamber 141, combustion gas promotes the second flexible sheet 140 upwards
Projection, drives pull bar 142 to move upwards, and the motion of pull bar 142 drives the second end 1234 to move upwards, and connecting rod 1231 is around the shaft
1235 rotate, and drive choking portion 1232 is moved downward and most valve 122 is covered at last, reaches the purpose of cut-out fuel gas path.When
Combustion gas in surge-chamber 120 is gradually discharged from gas outlet causes air pressure in surge-chamber 120 to reduce, and less than air in air chamber 141
Air pressure when, the second flexible sheet of air push 140 in air chamber 141 restores to the original state, drive pull bar 142 move downward, pull bar
142 motion drives the second end 1234 to move downward, and connecting rod 1,231 1235 is rotated around the shaft, drives choking portion 1232 to transport upwards
Dynamic air inlet 121 is opened, the combustion gas allowed in surge-chamber 120 is supplemented, allow combustion gas output stably within the specific limits.
In sum, the invention provides a kind of pressure regulator, the pressure regulator in normal operation, according to
The change of gaseous-pressure in surge-chamber, regulator can be quickly corresponding, and by closing and opening air inlet, come to surge-chamber
Interior gas pressure is adjusted so as to steady operation.Once the emergencies such as generation fire, the pressure regulator heating temperature
Rise, cause the thermal expansion agent in thermal expansion room on its interior to be heated rapidly and expand, cause the first flexible sheet to surge-chamber
Interior extruding, drives the first drive mechanism, so as to drive cock body component that inlet close is cut off fuel gas path, prevents combustion gas from letting out
Dew aggravates spreading for the intensity of a fire.After fire dangerous situation is excluded, thermal expansion agent cooling meat in thermal expansion room makes the pressure regulator
Recover state during normal use, realize the recycling of equipment, it is to avoid the wasting of resources.Present invention also offers a kind of combustion gas is defeated
Equipment is sent, which includes above-mentioned pressure regulator, when the dangerous situations such as fire are tackled, fuel gas path can be cut off in time, prevent the intensity of a fire from adding
Acute.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of pressure regulator, including housing, the enclosure interior is provided with surge-chamber and regulator, and the housing is arranged
There are air inlet and gas outlet, the surge-chamber to connect with air inlet pipe and escape pipe by the air inlet and the gas outlet respectively
Logical, it is provided with the pressure regulation room for controlling the cock body component of the air inlet opening and closing, the cock body component and the pressure regulation
Device is connected, it is characterised in that the pressure regulator also includes the first flexible sheet and the first drive mechanism, and described
One flexible sheet surrounds the thermal expansion room for placing thermal expansion agent of sealing with the housing, and the surge-chamber and the heat are swollen
Swollen room respectively be located at first flexible sheet opposite sides, first drive mechanism be located at the surge-chamber and with described
First flexible sheet connects, and first drive mechanism is coordinated with cock body component transmission, and first drive mechanism is in institute
The cock body component is driven when stating thermal expansion room expanded by heating by the inlet close.
2. pressure regulator according to claim 1, it is characterised in that the regulator include the second flexible sheet and
Second drive mechanism, second flexible sheet surround air chamber with the housing, and the air chamber and the surge-chamber are located at respectively
The opposite sides of second flexible sheet, second drive mechanism be located at the surge-chamber and with second flexible sheet
Connection, second drive mechanism are coordinated with cock body component transmission, and second drive mechanism is compressed in the air chamber
When drive the cock body component by the inlet close, drive the cock body component when the air chamber expands by the air inlet
Mouth is opened.
3. pressure regulator according to claim 2, it is characterised in that the cock body component includes connecting rod and choking portion,
There is the connecting rod first end and the second end being oppositely arranged, the choking portion to be fixedly connected on the first end, institute
The installation portion that housing is included in the pressure regulation room is stated, the middle part of the connecting rod is connected by axis of rotation with the installation portion
Connect, the connecting rod can be around the axis of rotation driving the choking portion closer or far from the air inlet.
4. pressure regulator according to claim 3, it is characterised in that first flexible sheet and the described second elasticity
Diaphragm is oppositely arranged, and the thermal expansion room and the air chamber are located at the relative both sides of the surge-chamber respectively.
5. pressure regulator according to claim 4, it is characterised in that the thermal expansion room and the air inlet are located at institute
State the same side of surge-chamber, first drive mechanism includes the push rod being connected with first flexible sheet, the push rod with
The second end interval setting of the connecting rod, during the thermal expansion room expanded by heating, the push rod and the second end
Abut, and drive the choking portion to close the air inlet by promoting the second end.
6. pressure regulator according to claim 3, it is characterised in that the thermal expansion room and the air chamber are set side by side
Put, the two shares one section of side wall, and the thermal expansion room and the air chamber are positioned at the same side of the surge-chamber.
7. pressure regulator according to claim 6, it is characterised in that the thermal expansion room and air inlet difference position
In the opposite sides of the surge-chamber, first drive mechanism includes the push rod being connected with first flexible sheet, described
Push rod and the choking portion interval setting, during the thermal expansion room expanded by heating, the push rod is abutted with the choking portion, and is led to
Cross and promote the second end to drive the choking portion to close the air inlet.
8. pressure regulator according to claim 3, it is characterised in that the air chamber is located at the tune with the air inlet
The same side of pressure chamber, second drive mechanism include the pull bar being connected with second flexible sheet, the pull bar with described
One end away from the choking portion of connecting rod is hinged.
9. pressure regulator according to claim 2, it is characterised in that second flexible sheet positioned at the air chamber
Side be provided with pallet, be provided with back-moving spring between the pallet and the housing.
10. a kind of fuel gas transmission equipment, it is characterised in that include the pressure regulator as described in any one of claim 1～9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611215236.2A CN106499869B (en) | 2016-12-23 | 2016-12-23 | A kind of pressure regulator and fuel gas transmission equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611215236.2A CN106499869B (en) | 2016-12-23 | 2016-12-23 | A kind of pressure regulator and fuel gas transmission equipment |
Publications (2)
| Publication Number | Publication Date |
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| CN106499869A true CN106499869A (en) | 2017-03-15 |
| CN106499869B CN106499869B (en) | 2018-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611215236.2A Expired - Fee Related CN106499869B (en) | 2016-12-23 | 2016-12-23 | A kind of pressure regulator and fuel gas transmission equipment |
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| CN (1) | CN106499869B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941295A (en) * | 2017-11-22 | 2018-04-20 | 重庆陆吾科技有限公司 | A kind of gas meter explosion-protection equipment simple in structure |
| CN114017679A (en) * | 2022-01-10 | 2022-02-08 | 常州台盈塑业科技有限公司 | Self-adaptive steady-flow one-way fluid pressure regulating valve device |
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| US20030010948A1 (en) * | 2001-07-12 | 2003-01-16 | Smc Kabushiki Kaisha | Flow rate control valve |
| DE202004003275U1 (en) * | 2004-03-03 | 2005-07-21 | Bartholomäus, Gert | Fire protection valve has valve plate formed by hollow body filled with foaming material and with one part fixed to guide element of valve and other mounted displaceable on the guide element |
| CN201059380Y (en) * | 2007-06-14 | 2008-05-14 | 广东长青（集团）股份有限公司 | Gas relief valve |
| CN205745508U (en) * | 2016-06-20 | 2016-11-30 | 虞上海 | The high-power air relief valve of pipeline |
| CN206419537U (en) * | 2016-12-23 | 2017-08-18 | 盐城工学院 | A kind of pressure regulator and fuel gas transmission equipment |
-
2016
- 2016-12-23 CN CN201611215236.2A patent/CN106499869B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030010948A1 (en) * | 2001-07-12 | 2003-01-16 | Smc Kabushiki Kaisha | Flow rate control valve |
| DE202004003275U1 (en) * | 2004-03-03 | 2005-07-21 | Bartholomäus, Gert | Fire protection valve has valve plate formed by hollow body filled with foaming material and with one part fixed to guide element of valve and other mounted displaceable on the guide element |
| CN201059380Y (en) * | 2007-06-14 | 2008-05-14 | 广东长青（集团）股份有限公司 | Gas relief valve |
| CN205745508U (en) * | 2016-06-20 | 2016-11-30 | 虞上海 | The high-power air relief valve of pipeline |
| CN206419537U (en) * | 2016-12-23 | 2017-08-18 | 盐城工学院 | A kind of pressure regulator and fuel gas transmission equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941295A (en) * | 2017-11-22 | 2018-04-20 | 重庆陆吾科技有限公司 | A kind of gas meter explosion-protection equipment simple in structure |
| CN114017679A (en) * | 2022-01-10 | 2022-02-08 | 常州台盈塑业科技有限公司 | Self-adaptive steady-flow one-way fluid pressure regulating valve device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106499869B (en) | 2018-12-07 |
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