CN108518501A - A kind of fuel gas plug valve - Google Patents
A kind of fuel gas plug valve Download PDFInfo
- Publication number
- CN108518501A CN108518501A CN201810621851.6A CN201810621851A CN108518501A CN 108518501 A CN108518501 A CN 108518501A CN 201810621851 A CN201810621851 A CN 201810621851A CN 108518501 A CN108518501 A CN 108518501A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- valve rod
- spool
- plane
- Prior art date
- 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.)
- Granted
Links
- 239000002737 fuel gas Substances 0.000 title claims abstract description 45
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 68
- 229910052802 copper Inorganic materials 0.000 claims abstract description 61
- 239000010949 copper Substances 0.000 claims abstract description 61
- 239000007789 gas Substances 0.000 claims abstract description 34
- 210000002421 cell wall Anatomy 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 abstract description 2
- 239000000567 combustion gas Substances 0.000 description 23
- 238000007789 sealing Methods 0.000 description 7
- 238000010891 electric arc Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
-
- 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
- F16K31/44—Mechanical actuating means
-
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/04—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor
Abstract
The present invention provides a kind of fuel gas plug valves, belong to gas-fired equipment technical field.It solves the problems, such as that existing gas combustion range ignition is not convenient enough.This fuel gas plug valve, the valve rod that valve body, one end including tubulose are plugged in valve body and the spool being rotatably arranged in valve body, ignition switch is connected on valve body, and ignition switch can be made to open when valve rod is pressed into valve body, valve rod is circumferentially positioned with spool, and axial sliding fit, the resetting spring of valve rod reset movement can be made by being additionally provided in valve body, resigning breach is offered on the end face of valve body, there is the pushing tow inclined-plane of opposite valve body end slope on the madial wall of resigning breach, the plush copper that can be slided along pushing tow inclined-plane when valve rod is pressed into valve body is fixed on valve rod.The igniting of this fuel gas plug valve is more convenient.
Description
Technical field
The invention belongs to gas-fired equipment technical fields, are related to a kind of fuel gas plug valve.
Background technology
Gas-cooker is relatively conventional in life, and ignition switch and plug valve, ignition switch can be provided on gas-cooker
Generation for controlling electric arc, and plug valve is used to control the break-make of combustion gas, therefore two are required to during ignition operation
Step needs first to push knob, so that ignition switch is opened, electric arc is generated, then turn knob, to open cock
Valve realizes outlet, such as Chinese invention patent application (application number：201310031917.3) disclosed in a kind of plug valve of gas stove, packet
Include valve body, spool and valve rod, valve inner set air admission hole, electromagnetism valve opening and with the matched faucet hole of spool, wherein air inlet
Hole is interconnected with electromagnetism valve opening, and solenoid valve is set inside electromagnetism valve opening and is connected to faucet hole by accommodating cavity, and valve rod runs through valve
Core is with lever mechanism against valve rod is two-part, including switch lever and down-pressed pole；Switch lever at one end outside valve body, stretch by one end
Enter valve body and slide axially cooperation and rotational positioning with spool, when ignition operation needs first pressure switches bar, so that point
Fire switch open, then can rotary switch bar, realize ventilation, however when gas-cooker using it is more frequent when, such as food and drink kitchen
The places such as room, gas-cooker frequently switch, and above-mentioned two steps operation can bring certain inconvenience, simultaneously because knob needs are applied manually
Power rotates, therefore operating personnel must be operated with hand so that the installation site of plug valve needs the operation for meeting hand, causes to pacify
Underaction is filled, certainly, since ignition switch is in the process of persistently generation electric arc when the first step pushes knob, at this time if rotation
The operation for rotating button is slower, then can lead to the excessive use of ignition switch, wastes electric power, and it is old to be easy to cause ignition switch
Change.
Invention content
The purpose of the present invention is there is the above problem in view of the prior art, it is proposed that a kind of fuel gas plug valve, for solving
Certainly not convenient enough the problem of gas combustion range ignition.
Object of the invention can be realized by the following technical scheme：A kind of fuel gas plug valve, including the valve body of tubulose, one
The valve rod being plugged in valve body and the spool being rotatably arranged in valve body are held, is connected with ignition switch on the valve body, and work as valve
Bar can be such that ignition switch opens when being pressed into valve body, and the valve rod and spool are circumferentially positioned, and axial sliding fit, in valve body
The resetting spring of valve rod reset movement can be made by being additionally provided with, which is characterized in that resigning breach is offered on the end face of the valve body,
There is the pushing tow inclined-plane of opposite valve body end slope on the madial wall of the resigning breach, be fixed with when valve rod pressure on the valve rod
The plush copper that can be slided along pushing tow inclined-plane when entering valve body.
Ignition switch is point moving type switch, is used more generally, such as patent document in gas-fired equipment
Disclosed in having in (201520955742.X, 201520955614.5), tool works as valve rod there are one the shrapnel that can press button
Button can be pressed by shrapnel when being pressed into valve body, realize igniting to generate electric arc, valve rod, valve rod are pressed when needing igniting
It can be pushed shrapnel during moving axially so that ignition switch is opened, while plush copper can be slided along inclined pushing tow inclined-plane
Dynamic, pushing tow inclined-plane can guide plush copper, and plush copper is fixed with valve rod so that valve rod rotates set angle, and valve rod is all with spool
To positioning, therefore spool can rotate set angle and open, and realize the connection of combustion gas, i.e. the rotation of spool is by valve rod
Pressing realizes the guiding of plush copper with pushing tow inclined-plane, therefore operating personnel only need pressing valve rod can be real in ignition process
The existing unlatching of ignition switch and being connected to for combustion gas, carry out rotation valve rod, operation is more convenient, discharges after firing without exerting a force manually
Valve rod, resetting spring can make valve rod reset movement, wherein due to offering resigning breach, and pushing tow inclined-plane is obliquely positioned at resigning
On the side wall of notch, therefore the outside on pushing tow inclined-plane is in open state, and when valve rod reset movement, plush copper can directly be detached from pushing tow
Inclined-plane and be axially moveable with valve rod, i.e. resigning breach adds the structure design on pushing tow inclined-plane compared with the structures such as skewed slot, and plush copper exists
Be not in circumferential reset rotation during the axial reset movement of valve rod, so that the angle that spool is kept it turning on, and
It will not be re-closing off, it is more convenient, and light a fire in view of only needing pressing valve rod to realize, therefore the fuel gas plug valve can not limit to
It is operated in hand, but may be mounted at lower position, kicked by foot to realize igniting so that the installation of fuel gas plug valve
Position is more flexible, certainly, the unlatching and combustion gas of ignition switch is can be achieved at the same time during being pressed into valve body due to valve rod
Connection, therefore ignition switch can be reduced and open the time difference being connected to combustion gas, persistently generate electric arc to reduce ignition switch
The power consumption brought and components aging, and preferably, the resigning breach and pushing tow inclined-plane of the fuel gas plug valve are located at valve body
On, plush copper is located on valve rod, but if being arranged resigning breach and pushing tow inclined-plane on valve rod, plush copper setting is on valve body
A kind of equivalent structure equally can realize the unlatching of ignition switch and being connected to for combustion gas simultaneously when pressing valve rod.
In above-mentioned fuel gas plug valve, the side side wall of the resigning breach forms above-mentioned with respect to valve body end slope
Pushing tow inclined-plane, it is radially secure on the valve rod to be plugged with distribution, one end of the distribution stretch out valve rod side wall formed it is above-mentioned convex
Head, plush copper is opposite with the outer end on pushing tow inclined-plane when in fiery state is closed, when the inner end or resigning on plush copper and pushing tow inclined-plane lack
Spool is in open state when the bottom surface of mouth is opposite.Plush copper is opposite with the outer end on pushing tow inclined-plane when in fiery state is closed, therefore
When pressing valve rod, plush copper can act on pushing tow inclined-plane, and under the guiding on pushing tow inclined-plane, plush copper can be rotated with valve rod, from
And the rotation of valve rod is realized by pressing, operation facility.
In above-mentioned fuel gas plug valve, air inlet and gas outlet are offered on the body wall, the spool is in cylinder
One end of shape, the spool endoporus is connected with air inlet, and the air passing hole being connected with endoporus is offered on the side wall of the spool,
Air passing hole is staggered with gas outlet when in fiery state is closed, and the lateral wall of spool blocks gas outlet.No matter whether spool
Rotation, one end of spool endoporus is connected with air inlet always, and air passing hole is located on the side wall of spool, pushing tow when pressing valve rod
Inclined-plane makes valve core rotation, and air passing hole is gradually connected with gas outlet in rotation process.
In above-mentioned fuel gas plug valve, the bottom surface of the resigning breach is guide surface, in the other side of resigning breach
Locating slot is offered on wall, one end of the guide surface is connected with the inner end on pushing tow inclined-plane, the other end and positioning groove groove wall
It is connected, when plush copper is connected in locating slot, air passing hole is connected to gas outlet face.When plush copper slides into pushing tow inclined-plane
Air passing hole and gas outlet locally connected when end, it is smaller by area at this time, but combustion gas can by by realize igniting, work as needs
Then need manual rotation valve rod, i.e. plush copper that can be slided along guide surface when increasing combustion gas throughput, air passing hole and gas outlet
Opposite area becomes larger, and when plush copper is caught in locating slot, valve rod is difficult to be rotated further, at this time air passing hole and gas outlet face,
At this time by area maximum, and locating slot can then play plush copper positioning action so that valve rod is in stable state.
In above-mentioned fuel gas plug valve, be provided in the axial direction with sliding slot on the madial wall of the spool, the valve rod it is interior
The endoporus of spool is stretched at end, and is plugged with connecting pin the inner end of valve rod is radially secure, and the end sliding of the connecting pin is inserted
It is connected in sliding slot, the outer diameter of the valve rod inner end is less than the internal diameter of spool.Connecting pin coordinates with sliding slot so that valve rod and spool week
To positioning, while can be slided with respect to spool when valve rod indentation or release, and the endoporus of spool passes through for combustion gas, therefore valve
The inner end outer diameter of bar is smaller, has enough gaps between spool inner wall, passes through for combustion gas.
In above-mentioned fuel gas plug valve, circumferentially there is step surface on the madial wall of the valve body, it is also circumferential in valve body
It is fixed with clamp spring, above-mentioned spool is located between step surface and clamp spring.Coordinated by step surface and clamp spring and spool is carried out axially
Positioning, avoid spool from axial float occur and influence block combustion gas when leakproofness.
In above-mentioned fuel gas plug valve, also sliding is equipped with push rod in the valve body, and one end of the push rod has and valve
The push-plate that boom end leans, the resetting spring are set on push rod, can compress reset when the valve rod is pressed into valve body
Spring.Discharge valve rod when plush copper is detached from locating slot, resetting spring can pushing tow valve rod reset, after valve rod reset manually
Rotation valve rod remains able to drive valve core rotation, to regulating gas throughput or closes combustion gas.
In above-mentioned fuel gas plug valve, the seal groove of several annulars, the sealing are provided in the axial direction on the valve rod
Sealing ring is arranged in slot, several sealing rings lean with valve interior wall.Increase the sealing that valve body upper valve rod is inserted into one end
Property, avoid gas leakage.
In above-mentioned fuel gas plug valve, the other end of the valve body is closed, and the air inlet and gas outlet offer
On the side wall of valve body, the gas outlet is opposite with spool, and the air inlet is located between spool and the closed end of valve body.The knot
Structure makes air inlet be connected to always with spool endoporus, and gas outlet can realize the connection or resistance with air inlet by spool
It is disconnected.
A kind of fuel gas plug valve, including the valve rod that is plugged in valve body of the valve body of tubulose, one end and it is rotatably arranged on valve body
Interior spool is connected with ignition switch on the valve body, and ignition switch can be made to open when valve rod is pressed into valve body, the valve
Bar is circumferentially positioned with spool, and axial sliding fit, and the resetting spring that can make valve rod reset movement is additionally provided in valve body,
It is characterized in that there is a boss on the end face of the valve body, there is the top of opposite valve body end slope on the side wall of the boss
Inclined-plane is pushed away, the plush copper that can be slided along pushing tow inclined-plane when valve rod is pressed into valve body is fixed on the valve rod.
Equally, valve rod is pressed when needing igniting, valve rod can push shrapnel during moving axially and be opened so that lighting a fire
It closes and opens, while plush copper can be slided along inclined pushing tow inclined-plane, pushing tow inclined-plane can guide plush copper so that valve rod rotation is set
Determine angle, and valve rod and spool are circumferentially positioned, therefore spool can rotate set angle and open, and realize the connection of combustion gas, i.e.,
The rotation of spool is to be realized to the guiding of plush copper by the pressing of valve rod and pushing tow inclined-plane, therefore operating personnel are in ignition process
In only need press valve rod the unlatching of ignition switch and being connected to for combustion gas can be realized, carry out rotation valve rod without exerting a force manually, grasp
Make more convenient, discharges valve rod after firing, resetting spring can make valve rod reset movement, wherein since pushing tow inclined-plane is located at valve
On the boss in body end face, the outside on pushing tow inclined-plane does not have shelter, and when valve rod reset movement, plush copper can directly be detached from pushing tow
Inclined-plane and be axially moveable with valve rod, i.e. boss adds the structure design on pushing tow inclined-plane compared with the structures such as skewed slot, and plush copper is in valve rod
Axial reset movement during be not in circumferential reset rotation so that the angle that spool is kept it turning on, without
It is re-closing off, it is more convenient, and light a fire in view of only needing pressing valve rod to realize, therefore the fuel gas plug valve can be not limited to use
Hand operates, but may be mounted at lower position, is kicked by foot to realize igniting so that the installation site of fuel gas plug valve
It is more flexible, certainly, the unlatching of ignition switch and being connected to for combustion gas are can be achieved at the same time during being pressed into valve body due to valve rod,
Therefore ignition switch can be reduced and open the time difference being connected to combustion gas, persistently generate what electric arc was brought to reduce ignition switch
Power consumption and components aging.
In above-mentioned fuel gas plug valve, the lower end on the pushing tow inclined-plane is connected with valve body end face, the valve rod upper edge
Radially fixed to be plugged with distribution, one end of the distribution stretches out valve rod side wall and forms above-mentioned plush copper, convex when in fiery state is closed
Head is opposite with the upper end on pushing tow inclined-plane, and when plush copper is with the lower end on pushing tow inclined-plane or opposite valve body end face, spool is in opening state
State.Plush copper is opposite with the upper end on pushing tow inclined-plane when in fiery state is closed, therefore plush copper can act on top when pressing valve rod
Inclined-plane is pushed away, under the guiding on pushing tow inclined-plane, plush copper can be rotated with valve rod, to realize the rotation of valve rod, behaviour by pressing
It facilitates.
In above-mentioned fuel gas plug valve, also there is limiting section on the valve body end face, it is fixed to be offered on the limiting section
Position slot, the notch of the locating slot have the side on pushing tow inclined-plane towards boss, and when plush copper is connected in locating slot, spool is in
Maximum opening angle.When plush copper slides into the lower end on pushing tow inclined-plane, valve core rotation angle is smaller, and spool is opened at this time, combustion gas
It is smaller by area, but combustion gas can by by realize igniting, when need increase combustion gas throughput when then need manual rotation
Valve rod, i.e. plush copper can be slided along valve body end face, and the opening angle of spool becomes larger, the valve rod when plush copper is caught in locating slot
Be difficult to be rotated further, spool opening angle is maximum at this time, combustion gas by area maximum, and locating slot can then play plush copper
Positioning action so that valve rod is in stable state.
Compared with prior art, this fuel gas plug valve has the following advantages：
1, it can be pushed shrapnel during being moved axially due to valve rod so that ignition switch is opened, while pushing tow inclined-plane energy
Enough guide spool rotations so that air inlet is connected to gas outlet, i.e. the rotation of spool is pressing and pushing tow inclined-plane by valve rod
Guiding realize that therefore operating personnel only need to press valve rod in ignition process, without exerting a force manually rotate valve
Bar, operation are more convenient.
2, since pushing tow inclined-plane is located in resigning breach, the outside on pushing tow inclined-plane is in open state, when valve rod complex displacement
Plush copper can directly be detached from pushing tow inclined-plane and is axially moveable with valve rod when dynamic, and plush copper is during the axial reset movement of valve rod
Be not in circumferential reset rotation, so that the angle that spool is kept it turning on, without being re-closing off.
3, due to only needing to press valve rod realization igniting, which can be not limited to be operated with hand,
But lower position is may be mounted at, it is kicked by foot to realize igniting so that the installation site of fuel gas plug valve is more flexible.
4, unlatching and air inlet and the gas outlet of ignition switch be can be achieved at the same time during being pressed into valve body due to valve rod
Connection, therefore ignition switch can be reduced and open time difference for being connected to combustion gas, electricity is persistently generated to reduce ignition switch
The power consumption and components aging that arc is brought.
Description of the drawings
Fig. 1 is the dimensional structure diagram of fuel gas plug valve.
Fig. 2 is lateral partial structurtes sectional view when fuel gas plug valve is in pass fire state.
Fig. 3 is partial structurtes section view when being in small fire state after fuel gas plug valve is lighted a fire.
Fig. 4 is partial structurtes section view when being in big fire state after fuel gas plug valve is lighted a fire.
Fig. 5 is the schematic enlarged-scale view at A in Fig. 2.
Fig. 6 is the dimensional structure diagram of fuel gas plug valve in embodiment two.
Fig. 7 is the dimensional structure diagram of fuel gas plug valve in embodiment three.
In figure, 1, valve body；11, air inlet；12, gas outlet；13, resigning breach；131, pushing tow inclined-plane；132, guide flat
Face；133, locating slot；14, step surface；15, clamp spring；16, boss；17, limiting section；2, valve rod；21, plush copper；22, connecting pin；
23, seal groove；24, sealing ring；3, spool；31, air passing hole；32, sliding slot；4, ignition switch；41, shrapnel；42, button；5, it pushes away
Bar；51, push-plate；52, resetting spring.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Embodiment one：
As shown in Figure 1, a kind of fuel gas plug valve, including valve body 1, valve body 1 in a tubular form, have on the side wall of valve body 1 into
The direction of gas port 11 and gas outlet 12, air inlet 11 and gas outlet 12 is on the contrary, one end of valve body 1 is plugged with valve rod 2, the valve rod 2
It can circumferentially rotate and slide axially with respect to valve body 1, ignition switch 4 is further fixed on valve body 1, which is crawl
Formula switchs, and there are one button 42 and a shrapnels 41 that can press button 42 for tool, and resigning is further opened on the end face of valve body 1
Notch 13, the resigning breach 13 are in flared, and the side side wall opposing bottom surface of resigning breach 13 is formed slopely pushing tow inclined-plane 131,
The bottom surface of resigning breach 13 is guide surface 132, and locating slot 133 is offered on another side wall of resigning breach 13, described to lead
It is connected to one end of plane 132 with the lower end on pushing tow inclined-plane 131, the other end is connected with 133 cell wall of locating slot, in valve rod 2
One end of stretching valve body 1 is radially secure to be plugged with distribution, and one end of the distribution stretches out 2 side wall of valve rod and forms plush copper 21, in conjunction with
Shown in Fig. 2, rotation is equipped with spool 3, the spool 3 and 1 axially position of valve body in valve body 1, and valve rod 2 and spool 3 are circumferentially positioned, axis
To opposite can slide, spool 3 is cylindrical in shape, and one end of 3 endoporus of spool is connected with air inlet 11, is opened on the side wall of spool 3
Equipped with the air passing hole 31 being connected with endoporus, Fig. 2 is lateral partial structurtes sectional view when closing fiery state, at this time plush copper 21 and pushing tow inclined-plane
131 upper end is opposite, and air passing hole 31 is staggered with gas outlet 12, and the lateral wall of spool 3 blocks gas outlet 12.
In conjunction with shown in Fig. 3, Fig. 3 is the partial structural diagram pressed after valve rod 2, that is, when pressing valve rod 2, valve rod 2 can
Press the shrapnel 41 of ignition switch 4 so that ignition switch 4 is opened, and plush copper 21 can be along pushing tow inclined-plane during pressing
131 slide into guide surface 132 against that is, pushing tow inclined-plane 131 can guide valve rod 2 to rotate set angle, and valve rod 2 drives valve
Core 3 rotates set angle so that air passing hole 31 and 12 locally connected of gas outlet and realize ventilation, be at this time small fire state, if
It needs to adjust firepower, then needs to further rotate valve rod 2 manually, as shown in figure 4, Fig. 4 is part when being adjusted to maximum fire
Structure sectional view, at this time valve rod 2 rotate so that plush copper 21 along guide surface 132 slide into locating slot 133, and spool 3 cross gas
Hole 31 then with 12 face of gas outlet.
In conjunction with shown in Fig. 5, sliding slot 32 is provided in the axial direction on the madial wall of spool 3, spool 3 is stretched into the end of valve rod 2
Endoporus, and connecting pin 22 is plugged with the end of valve rod 2 is radially secure, the end sliding plug of connecting pin 22 is in sliding slot 32
Interior, connecting pin 22 coordinates with sliding slot 32 so that valve rod 2 and spool 3 are circumferentially positioned, while can when the indentation of valve rod 2 or release
Opposite spool 3 slides, and sliding slot 32 can open up two during actual processing certainly, and be symmetrical set, and connecting pin 22
Two sliding slots 32 are inserted at both ends respectively, so that valve rod 2 and the connection of spool 3 are more stablized.It is circumferential on the madial wall of valve body 1
It is also circumferentially fixed in valve body 1 to there is clamp spring 15, spool 3 to be located between step surface 14 and clamp spring 15, pass through with step surface 14
Step surface 14 coordinates with clamp spring 15 carries out axially position to spool 3.Also sliding is equipped with push rod 5 in valve body 1, and the one of the push rod 5
The push-plate 51 for having and leaning with 2 end of valve rod is held, resetting spring 52 is arranged on push rod 5, when valve rod 2 is pressed into valve body 1
Can compression reseting spring 52, plush copper 21 be detached from locating slot 133 when discharge valve rod 2, resetting spring 52 being capable of pushing tow valve
Bar 2 resets, and resets defensive position turn ovable valve stem 2 in valve rod 2 and remains able to band movable valve plug 3 and rotates, to regulating gas throughput or
Person closes combustion gas.It is provided in the axial direction with the seal groove 23 of several annulars on valve rod 2, sealing ring 24 is arranged in seal groove 23,
Several sealing rings 24 lean with 1 inner wall of valve body, increase the leakproofness that 1 upper valve rod 2 of valve body is inserted into one end, combustion gas is avoided to let out
Leakage, and the other end of valve body 1 is closed, gas outlet 12 is opposite with spool 3, and air inlet 11 is located at spool 3 and 1 closed end of valve body
Between.
Embodiment two：
The structure of the fuel gas plug valve and embodiment one are essentially identical, and difference is as shown in fig. 6, resigning breach 13 is opened
It is located on 2 side wall of valve rod, and pushing tow inclined-plane 131 is also 13 inclined side wall of resigning breach, and plush copper 21 is located at 1 port of valve body
Inner wall on, press valve rod 2 at this time, pushing tow inclined-plane 131 can be resisted against in plush copper 21, so that valve rod 2 rotates set angle
Degree.
Embodiment three：
The structure of the fuel gas plug valve and embodiment one are essentially identical, and difference is the end face as shown in fig. 7, valve body 1
It is upper that there is a boss 16, there is pushing tow inclined-plane 131, the pushing tow inclined-plane 131 is with respect to 1 end slope of valve body, on valve rod 2 on boss 16
With plush copper 21, plush copper 21 is opposite with the upper end on pushing tow inclined-plane 131 when in fiery state is closed, and makes when valve rod 2 is pressed into valve body 1
Plush copper 21 can be slided along pushing tow inclined-plane 131 so that the rotation of spool 3 is opened when ignition switch 4 is opened.Under pushing tow inclined-plane 131
End is connected with 1 end face of valve body, also has limiting section 17 on 1 end face of valve body, locating slot 133 is offered on limiting section 17, this is fixed
The notch of position slot 133 has the side on pushing tow inclined-plane 131, the spool 3 when plush copper 21 is connected in locating slot 133 towards boss 16
In maximum opening angle.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although the terms such as valve body 1, air inlet 11, gas outlet 12 are used more herein, it is not precluded using other
The possibility of term.The use of these items is only for more easily describe and explain the essence of the present invention；They are explained
It is all disagreed with spirit of that invention at any one of the additional limitations.
Claims (10)
1. a kind of fuel gas plug valve, including the valve body (1) of tubulose, one end are plugged on valve rod (2) and rotation setting in valve body (1)
Spool (3) in valve body (1) is connected with ignition switch (4) on the valve body (1), and when valve rod (2) is pressed into valve body (1)
Ignition switch (4) can be made to open, the valve rod (2) and spool (3) are circumferentially positioned, and axial sliding fit, in valve body (1)
The resetting spring (52) of valve rod (2) reset movement can be made by being additionally provided with, which is characterized in that be opened up on the end face of the valve body (1)
There is resigning breach (13), there is the pushing tow inclined-plane of opposite valve body (1) end slope on the madial wall of the resigning breach (13)
(131), the plush copper that can be slided along pushing tow inclined-plane (131) when valve rod (2) is pressed into valve body (1) is fixed on the valve rod (2)
(21)。
2. fuel gas plug valve according to claim 1, which is characterized in that the side side wall of the resigning breach (13) is opposite
Valve body (1) end slope forms above-mentioned pushing tow inclined-plane (131), and radially secure on the valve rod (2) to be plugged with distribution, this is pushed away
One end of pin stretches out valve rod (2) side wall and forms above-mentioned plush copper (21), plush copper (21) and pushing tow inclined-plane when in fiery state is closed
(131) outer end is opposite, the valve when plush copper (21) is opposite with the bottom surface of the inner end of pushing tow inclined-plane (131) or resigning breach (13)
Core (3) is in open state.
3. fuel gas plug valve according to claim 2, which is characterized in that offer air inlet on valve body (1) side wall
(11) it is cylindrical in shape with gas outlet (12), the spool (3), one end of spool (3) endoporus is connected with air inlet (11), described
The air passing hole (31) being connected with endoporus is offered on the side wall of spool (3), when in fiery state is closed air passing hole (31) with go out
Gas port (12) is staggered, and the lateral wall of spool (3) blocks gas outlet (12).
4. fuel gas plug valve according to claim 3, which is characterized in that the bottom surface of the resigning breach (13) is guide flat
Face (132), offers locating slot (133) on another side wall of resigning breach (13), one end of the guide surface (132) with
The inner end on pushing tow inclined-plane (131) is connected, and the other end is connected with locating slot (133) cell wall, when plush copper (21) is connected to positioning
Air passing hole (31) is connected to gas outlet (12) face when slot (133) is interior.
5. fuel gas plug valve according to claim 3 or 4, which is characterized in that on the madial wall of the spool (3) in an axial direction
Sliding slot (32) is offered, the endoporus of spool (3) is stretched into the inner end of the valve rod (2), and radially secure in the inner end of valve rod (2)
It is plugged with connecting pin (22), the end sliding plug of the connecting pin (22) is in sliding slot (32), outside valve rod (2) inner end
Diameter is less than the internal diameter of spool (3).
6. fuel gas plug valve according to claim 3 or 4, which is characterized in that circumferentially have on the madial wall of the valve body (1)
There is step surface (14), it is also circumferentially fixed in valve body (1) to there is clamp spring (15), above-mentioned spool (3) to be located in step surface (14) and card
Between spring (15).
7. the fuel gas plug valve according to any one of Claims 1 to 4, which is characterized in that also sliding in the valve body (1)
Dynamic to be equipped with push rod (5), one end of the push rod (5) has the push-plate (51) to lean with valve rod (2) end, the resetting spring
(52) it is set on push rod (5), it being capable of compression reseting spring (52) when the valve rod (2) is pressed into valve body (1).
8. a kind of fuel gas plug valve, including the valve body (1) of tubulose, one end are plugged on valve rod (2) and rotation setting in valve body (1)
Spool (3) in valve body (1) is connected with ignition switch (4) on the valve body (1), and when valve rod (2) is pressed into valve body (1)
Ignition switch (4) can be made to open, the valve rod (2) and spool (3) are circumferentially positioned, and axial sliding fit, in valve body (1)
The resetting spring (52) of valve rod (2) reset movement can be made by being additionally provided with, which is characterized in that be had on the end face of the valve body (1)
One boss (16) has the pushing tow inclined-plane (131) of opposite valve body (1) end slope, the valve on the side wall of the boss (16)
The plush copper (21) that can be slided along pushing tow inclined-plane (131) when valve rod (2) is pressed into valve body (1) is fixed on bar (2).
9. fuel gas plug valve according to claim 8, which is characterized in that the lower end of the pushing tow inclined-plane (131) and valve body
(1) end face is connected, and radially secure on the valve rod (2) to be plugged with distribution, valve rod (2) side wall shape is stretched out in one end of the distribution
At above-mentioned plush copper (21), plush copper (21) is opposite with the upper end of pushing tow inclined-plane (131) when in fiery state is closed, when plush copper (21)
It is in open state with spool (3) when the lower end of pushing tow inclined-plane (131) or opposite valve body (1) end face.
10. fuel gas plug valve according to claim 9, which is characterized in that also have limiting section on valve body (1) end face
(17), locating slot (133) is offered on the limiting section (17), the notch of the locating slot (133) has top towards boss (16)
The side for pushing away inclined-plane (131), when plush copper (21) be connected to locating slot (133) it is interior when spool (3) be in maximum opening angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810621851.6A CN108518501B (en) | 2018-06-15 | 2018-06-15 | Gas plug valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810621851.6A CN108518501B (en) | 2018-06-15 | 2018-06-15 | Gas plug valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108518501A true CN108518501A (en) | 2018-09-11 |
| CN108518501B CN108518501B (en) | 2024-03-22 |
Family
ID=63427617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810621851.6A Active CN108518501B (en) | 2018-06-15 | 2018-06-15 | Gas plug valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108518501B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237065A (en) * | 2018-11-14 | 2019-01-18 | 佛山市顺德区美的洗涤电器制造有限公司 | fuel gas plug valve |
| CN109973674A (en) * | 2019-04-22 | 2019-07-05 | 浙江新涛智控科技股份有限公司 | Fuel gas plug valve |
| CN111174230A (en) * | 2020-02-25 | 2020-05-19 | 广东长青（集团）股份有限公司 | Ignition switch and thermostat |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108518501B (en) | 2024-03-22 |
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