CN208138536U - Super stream temperature control burnt gas switch - Google Patents
Super stream temperature control burnt gas switch Download PDFInfo
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- CN208138536U CN208138536U CN201820418552.8U CN201820418552U CN208138536U CN 208138536 U CN208138536 U CN 208138536U CN 201820418552 U CN201820418552 U CN 201820418552U CN 208138536 U CN208138536 U CN 208138536U
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- 239000007789 gas Substances 0.000 claims abstract description 34
- 229910000679 solder Inorganic materials 0.000 claims abstract description 19
- 239000000567 combustion gas Substances 0.000 claims abstract description 17
- 230000006835 compression Effects 0.000 claims abstract description 16
- 238000007906 compression Methods 0.000 claims abstract description 16
- 230000005496 eutectics Effects 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 238000005538 encapsulation Methods 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims description 3
- 239000002737 fuel gas Substances 0.000 abstract description 13
- 238000009434 installation Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 208000021760 high fever Diseases 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
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- Safety Valves (AREA)
Abstract
The super stream temperature control burnt gas switch of one kind, it include the Switch main body of inflow entrance and outflux, valve body is equipped between inflow entrance and outflux to be opened and closed fuel gas path, inflow entrance leading portion and back segment are respectively formed safe valve chamber and the dynamic valve chamber of heat, each self installation safety valve and the dynamic valve of heat, there is the dynamic valve seat of cricoid heat between two valve chambers, safe valve chamber is made of the pre-small post-large preceding valve chamber in aperture with rear valve chamber.Safety valve includes to be inserted in cylindric emergency valve seat, the leading portion of preceding valve chamber to pack into emergency valve seat and back segment is in the bracket of rear valve chamber, is supported in bracket safe valve plug in axial sliding, and safe valve plug is usually maintained to the compression spring of valve opening position；The dynamic valve of heat includes moving valve plug, and the compressed spring as power source by the heat that eutectic solder is fixed on valve opening position usually；When the fusing of solder heat, the dynamic valve plug of heat is by adherence interdicts combustion gas in the dynamic valve seat of heat in turn before the elastic force by compressed spring.Meanwhile the pressure loss is reduced through the flowing path section after expansion between valve chamber and bracket.
Description
Technical field
The utility model relates to the super stream temperature control burnt gas switch of one kind.
Background technique
Because of the requirement on Security Countermeasures, the burnt gas switch for having safety valve and the dynamic valve of heat is developed, such as with this
The Chinese utility model patent number 201520156534.3 " burnt gas switch " that applicant's name proposes is one.The burnt gas switch
Including the shell with fuel gas path, it is equipped with valve body between the inflow entrance and outflux of fuel gas path, operates and connects by turn
It is connected to the knob of valve body, valve body is made to change valve position, has the function that be opened and closed fuel gas path.The safety valve and the dynamic valve setting of heat exist
In inflow entrance, wherein safety valve includes a sleeve with forward and backward valve port, one has the bracket of logical circulation road and one be supported in this
Bracket in axial sliding usually compeled rearward to keep unimpeded logical circulation road by a compression spring by valve plug, the valve plug.When generation is as fired
Gas hose fracture is detached from the accidents such as Gas appliance, when outflux lateral pressure being caused hurriedly to drop extremely, valve plug, that is, resistance to stress spring bullet
Property power interdict fuel gas path, stop gas supply, avoid drawing and by before the gaseous-pressure of its front and back difference and then adherence is in preceding valve port
It gets angry quick-fried.The dynamic valve of heat have one with the heat that eutectic solder is fixed on valve opening position move valve plug and one as power source pressure
Contracting spring；When occurring to cause solder to melt because of high fever such as situations such as fire, the elastic force of compressed spring will make the dynamic valve plug of heat
Advance, its adherence is made to occlude fuel gas path in rear valve port, interdicts combustion gas, avoid greater disaster.
Above-mentioned burnt gas switch makes fuel gas path because installing the components such as valve body, safety valve and the dynamic valve of heat on fuel gas path
A part be restricted, therefore downstream pressure will reduce since confined area, and lead to the pressure loss.The pressure loss can
Amount loss, not only downstream pressure can reduce, and flow is same as flow velocity also to be reduced, and then influence the working performance of Gas appliance.
Certainly, valve module is installed in burnt gas switch is not the sole cause for causing stress loss.Other exist such as combustion gas
When flowing because friction, pipeline diameter reduce or the local disturbances such as the elbow, pipe fitting and valve port that flow through pipeline suddenly change at
When, the pressure loss is also resulted in, the working performance of Gas appliance is reduced.
Utility model content
One kind is provided purpose of the utility model is to solve above-mentioned technical problem can reduce the super of the pressure loss
Flow temperature control burnt gas switch.
In order to achieve the above objectives, the utility model uses following technical scheme：
Super stream temperature control burnt gas switch, includes a Switch main body, has an inflow entrance and an outflux, the inflow entrance and outflow
A valve body room is formed between mouthful, the leading portion and back segment of the inflow entrance are respectively formed a safe valve chamber and the dynamic valve chamber of a heat, the safety
Valve chamber is made of valve chamber after valve chamber and one before one, and the internal diameter of the rear valve chamber is greater than the internal diameter of the preceding valve chamber, which moves valve chamber and pacify
Across a cricoid dynamic valve seat of heat between full valve room, the inner wall of the heat dynamic valve seat from the inflow entrance is radially inwardly extending to be formed,
And define a logical circulation road；One valve body is arranged in the valve body room, the valve body by one be connected to driving mechanism above and
Turn makes the inflow entrance be connected to or not be connected to outflux；One safety valve, the emergency valve seat for being assembled in the preceding valve chamber including one,
The emergency valve seat has a logical circulation road；One leading portion is inserted in the logical circulation road of the emergency valve seat and back segment is in the bracket of the rear valve chamber；
One to pass through the bracket be the safe valve plug to slide axially freely, which has a slide bar, and the rear end of the slide bar is radially
Expansion forms a bar tail；And a compression spring of the encapsulation on the slide bar, the two ends difference contact of the compression spring is in the bracket
With bar tail, step back the safe valve plug by its elastic force, keeping the logical circulation road of the emergency valve seat is open state；When the safety
When being greater than the elastic force of the compression spring with the gaseous-pressure difference at rear in front of valve plug, will make the safe valve plug advance and adherence in
The emergency valve seat, and interdict the logical circulation road of the emergency valve seat；And the dynamic valve of heat, setting is moved in valve chamber in the heat, usual comprising one
Valve plug and a compressed spring as the dynamic valve plug power source of the heat are moved by the heat that eutectic solder is maintained at valve opening position；When the weldering
When material fusing, the elastic force of the compressed spring will make the dynamic valve plug advance of the heat and adherence moves valve seat in the heat, and it is dynamic to occlude the heat
The logical circulation road of valve seat.
The logical circulation road of the emergency valve seat has a segment difference section formed by difference in internal diameters, and the bracket of the safety valve includes one
Sleeve and a frame body, the sleeve are inserted in the logical circulation road of the emergency valve seat in a manner of interference engagement, until its contact is in the logical circulation road
Segment difference section；The frame body is integrally formed at the rear of the sleeve, and in the rear valve chamber in the Switch main body, the rear valve chamber
Internal diameter is greater than the outer diameter of the bracket frame body, to expand the flowing path section that combustion gas enters the safe valve support.
Keep airtight in the O-ring of the emergency valve seat by an encapsulation between the emergency valve seat and the preceding valve chamber.
The dynamic valve chamber of heat has a segment difference section generated by difference in internal diameters；It includes a bracket, the bracket that the heat moves valve again
Including a cylindric bracket body, and from the periphery of the bracket body to several fins of external radiation, which has
The inner wall that one reception hole, the outer rim of the fin and the heat move valve chamber forms interference engagement, and the leading edge contact of the fin is dynamic in the heat
The segment difference section of valve chamber, and one of the fin radially expands and defines a groove, and the bottom of the groove has one and the receipts
Receive hole connection hole；It is the short tube to slide axially freely that the heat, which moves valve plug comprising a reception hole for being inserted in the bracket body, and
One surrounds the annular ditch groove of the short tube periphery；The leading portion of the compressed spring packs into the heat and moves in the short tube of valve plug, and back segment is packed into should
In the reception hole of bracket body, and two ends difference contact moves valve plug and bracket body in the heat；It also includes a setting that the heat, which moves valve,
Steel ball in the hole, the eutectic solder are filled in the groove to fix the steel ball, make the lower part of the steel ball via the hole
Hole is embedded in the heat and moves in the annular ditch groove of valve plug, which is moved valve plug and keeps valve opening position；When the solder fusing causes the steel ball to loosen
When, which moves valve plug and advances simultaneously adherence by the elastic force of the compressed spring in the dynamic valve seat of the heat, and occludes the heat and move valve seat
Logical circulation road.
The dynamic valve plug of heat includes one to axially extend the chamber to the short tube, the bar tail and slide bar of the safe valve plug again
Back segment be inserted into the chamber.
The upper surface of described steel ball covers a gasket, which is maintained at the hole for the steel ball across the gasket
In.
The beneficial effects of the utility model：The utility model is greater than the outer diameter of bracket frame body by the internal diameter of rear valve chamber, expands
Big combustion gas enters the flowing path section of safe valve support, keeps combustion gas readily flowed, and then can be reduced the pressure loss.
Detailed description of the invention
Fig. 1 is axial direction (fuel gas flow direction) sectional view of the super stream temperature control burnt gas switch of the utility model, display valve body, peace
Full valve plug and the dynamic valve plug of heat are maintained at the state of valve opening position, and wherein arrow indicates fuel gas flow path, the same below.
Fig. 2 is the sectional view of the line A-A along Fig. 1.
Fig. 3 is the element exploded view of the utility model.
Fig. 4 is the valve body of the utility model and the dynamic valve plug of heat is maintained at valve opening position, and safe valve plug movement hides at valve closing position
The sectional view of disconnected combustion gas.
Fig. 5 is that the valve body of the utility model is maintained at valve opening position, and the dynamic valve plug movement of heat is at valve closing position, while by safe valve plug
Push ahead and interdict the sectional view of combustion gas.
Fig. 6 is the axial section of another embodiment of the utility model, and display valve body uses the situation of coniform cock.
10,10a：Burnt gas switch；11,11a：Switch main body；12,12a：Valve body；13,13a：Driving mechanism；14：Safety
Valve；15：The dynamic valve of heat；21：Inflow entrance；22：Outflux；23：Valve body room；24：Safe valve chamber；24a：Preceding valve chamber；24b：Valve chamber afterwards；
25：The dynamic valve chamber of heat；26：The dynamic valve seat of heat；27：Logical circulation road；28：Connector；29：Connector；30：Segment difference section；32：Segment difference section；35a,
35b：Valve seat；36：Logical circulation road；37：Knob；38：Connecting rod；40：O-ring；41：Emergency valve seat；42：Bracket；43：Safe valve plug；
44：Compression spring；45：Logical circulation road；46：Segment difference section；47：Sleeve；48：Frame body；49：Stop；50：Slide bar；51：Bar tail；52：It is prominent
Portion out；61：Bracket；62：The dynamic valve plug of heat；63：Compressed spring；64：Steel ball；65：Gasket；66：Eutectic solder；67：Bracket sheet
Body；68：Fin；69：Reception hole；70：Groove；71：Hole；72：Short tube；73：Annular ditch groove；74：Chamber.
Specific embodiment
Detailed technology content and other purposes and feature as the utility model is referring to the following embodiment for cooperating attached drawing
Illustrate to be fully appreciated that.
As shown in Figure 1 to Figure 3, the super stream temperature control burnt gas switch 10 that the utility model discloses includes Switch main body 11, valve
Body 12, driving mechanism 13, safety valve 14 and the dynamic valve 15 of heat.Wherein：
Switch main body 11 is being flowed into the gas flow outlet 22 that a combustion gas inflow entrance 21 and one are connected to inflow entrance 21
An opening up valve body room 23 is formed between mouth 21 and outflux 22 to accommodate valve body 12.The leading portion of the inflow entrance 21 is formed
One safe valve chamber 24 is for installing safety valve 14；The back segment of inflow entrance 21 defines the dynamic valve chamber 25 of a heat then the dynamic valve 15 of heat is arranged.
The safe valve chamber 24 is made of valve chamber 24b after valve chamber 24a and one before one, and the internal diameter of the rear valve chamber 24b is greater than preceding valve chamber 24a's
Internal diameter.The heat, which is moved, forms a cricoid dynamic valve seat 26 of heat between valve chamber 25 and safe valve chamber 24, it is from stream which, which moves valve seat 26,
The inner wall of entrance 21 is radially inwardly extending to be formed, and defines a logical circulation road 27.Also, Switch main body 11 is in inflow entrance 21
Outside one nipple 28 of setting is soft in the one connection rubber of external offer of outflux 22 for connecting gas supply pipe (not shown)
The connector 29 of (not shown) is managed, the other end of the hose is connected to Gas appliance (non-schema).The connector 28 and 29 also can be
Other patterns, are not limited by the embodiment shown in that figure.
Valve body 12 is mounted in the valve body room 23 of Switch main body 11, and 12 2 side of valve body is each fitted with a synthetic resin
Manufactured ring-type valve seat 35a, 35b, the valve body 12 with logical circulation road 36 are set between two valve seat 35a, 35b as turn freely,
Reach simultaneously appropriate airtight.The connecting rod 38 of the top connection driving mechanism 13 of the valve body 12, valve body 12 is driving by torsion
The knob 37 of mechanism 13 and turn, make inflow entrance 21 be connected to or not be connected to outflux 22, have the function that be opened and closed combustion gas.Due to
The category prior art of driving mechanism 13, therefore only depicted portion element, repeat no more.
Safety valve 14, including an emergency valve seat 41, a bracket 42, a safe valve plug 43 and a compression spring 44.The safety
Valve seat 41 is mounted in the preceding valve chamber 24a of Switch main body 11 to be cylindric, until front end contact is in valve body room 23 and preceding valve chamber
Cyclic annular segment difference section 30 between 24a, at the same by an encapsulation 41 periphery of emergency valve seat O-ring 40, emergency valve seat 41 with
Formation is reliable airtight between the contact surface of preceding valve chamber 24a, in this way, before emergency valve seat 41 is fixed in valve chamber 24a.The safety
The combustion gas stream access 45 that valve seat 41 has an internal diameter pre-small post-large, the logical circulation road 45 form a segment difference section in inside due to difference in internal diameters
46.The bracket 42 includes that a sleeve 47 and a frame body 48, the sleeve 47 are inserted in the back segment of logical circulation road 45 in a manner of interference engagement,
Until its front end contact is until segment difference section 46；The frame body 48 is integrally formed at the rear of sleeve 47, and is in Switch main body
11 rear valve chamber 24b, while the rear end of frame body 48 has a radially projecting stop 49,49 contact of stop is in the dynamic valve seat of heat
26 inside prevents bracket 42 in safe valve chamber 24 along fuel gas flow in this way, bracket 42 is fixed in safe valve chamber 24
Direction sliding.The shape of safe valve plug 43 is generally in umbrella, and having one to pass through 48 center of bracket frame body is to slide axially freely
Slide bar 50, the rear end of the slide bar 50 radially expand to form a bar tail 51 to support compression spring 44.The compression spring 44 fills
Cover on slide bar 50, and two ends difference contact is in bracket frame body 48 and bar tail 51, with by its elastic force make safe valve plug 44 from
Emergency valve seat 41 is opened, keeps logical circulation road 45 unimpeded.
The dynamic valve 15 of heat includes the dynamic valve plug 62 of 61, one heat of a bracket, a compressed spring 63, a steel ball 64, a gasket 65 and low
Melting-point solder 66.The bracket 61 includes a bracket body 67, and from the periphery of bracket body 67 to several fins 68 of external radiation,
61 one side of bracket generates interference engagement by the inner wall of the dynamic valve chamber 25 of outer rim and heat of fin 68, on the one hand by fin 68
Leading edge contact reaches the effect for being fixed on the dynamic valve chamber 25 of heat in the segment difference section 32 of the dynamic valve chamber 25 of heat.Bracket body 67 is generally in circle
Tubular, the compressed spring 63 that there is a reception hole 69 valve plug 62 with part are moved with the heat of accommodating portion for inside.The fin 68 it
One defines a groove 70 to accommodate steel ball 64, gasket 65 and eutectic solder 66, and the bottom of the groove 70 has one and storage
The hole 71 that hole 69 communicates is used for installation steel ball 64.The dynamic valve plug 62 of heat include it is a set of enter bracket body 67 reception hole 69
For slide axially short tube 72 freely and one around the annular ditch groove 73 of 72 periphery of short tube to cooperate steel ball 64 to use.The dynamic valve of heat
Plug 62 is also axially extended comprising one to the chamber 74 in short tube 72, to accommodate 50 back segment of slide bar and bar tail of safe valve plug 43
51, this design helps to shorten the length of Switch main body 11.The leading portion of the compressed spring 63 packs into the short tube of the dynamic valve plug 62 of heat
In 72, back segment is fitted into the reception hole 69 of bracket body 67.The steel ball 64 successively puts into the recessed of bracket body 67 with gasket 65
After slot 70, eutectic solder 66 is filled in groove 70, steel ball 64 is maintained in hole 71 by gasket 65, makes steel ball 64
Lower part is embedded in the annular ditch groove 73 of the dynamic valve plug 62 of heat via hole 71, and the dynamic valve plug 62 of heat is fixed on and leaves the dynamic valve seat 26 of heat
Valve position, while making compressed spring 63 in tensioning state to accumulate elastic energy.The solder is preferably used in temperature 80 and 100 DEG C
Range is fusible kamash alloy, or purposes appropriate uses the other materials that can be melted in other temperature ranges.
The heat that aforementioned patent announcement can also be used in the dynamic valve 15 of heat moves valve, is not limited by the embodiment shown in that figure.
As shown in Figure 1, safe 43 front of valve plug is small with the gaseous-pressure difference at rear in Gas appliance normal operating condition
In the elastic force of compression spring 44.Therefore, safe valve plug 43 is compeled rearward, to make the logical circulation road 45 of emergency valve seat 41 by the spring force
It keeps opening.
When 12 turn of valve body to valve opening position, when making its logical circulation road 36 connection inflow entrance 21 and outflux 22, combustion gas is after following
Gap between valve chamber 24b and bracket frame body 48, detour enter the logical circulation road 45 of emergency valve seat 41, and via the circulation of valve body 12
Road 36 is supplied to Gas appliance to outflux 22, then by rubber hose.Since the internal diameter of rear valve chamber 24b is greater than bracket frame body 48
Outer diameter, therefore biggish flowing path section can be generated between, keep combustion gas readily flowed and reduce the pressure loss.
As shown in figure 4, when the abnormal conditions that generation such as air hose rupture or its front end are fallen off by Gas appliance, peace
43 front of full valve plug and the gaseous-pressure difference at rear are to be greater than the elastic force of compression spring 44, press safe valve plug 43 thereby
Before power and then adherence is in emergency valve seat 41, occludes logical circulation road 45, stops gas supply, avoids causing gas explosion.
When safe valve plug 43 is had an effect, the protruding portion 52 for being formed in safe 43 front center of valve plug is protruding from safety
41 front of valve seat, when manual operation knob 37 makes valve body 12 rotate 90 degree later, inflow entrance 21 and outflux 22 are by valve body 12
Blocked, in this way, combustion gas can be interdicted really.
Valve body 12 rotation on the way, valve body 12 can push the protruding portion 52 of safe valve plug 43 backward, and because valve body 12 hides
When disconnected gas circulation, the gaseous-pressure difference in safe 43 front of valve plug and rear disappears, and makes safe valve plug 43 can be by compression spring 44
Elastic force leave emergency valve seat 41, it is unimpeded to restore logical circulation road 45 for automatic resetting valve opening position.
As shown in figure 5, when the Switch main body 11 directly contacted with eutectic solder 66 because when the factors such as fire are heated,
By heat-conduction effect, the temperature of Switch main body 11 can be reached into eutectic solder 66 rapidly；When the temperature of eutectic solder 66
When being melted higher than its fusing point, steel ball 64 will be made to loosen and lose the effect that fixed heat moves valve plug 62, then the dynamic valve plug 62 of heat is
Advanced with the elastic force of compressed spring 63, and in the way for being detached from bracket body 67, passes through the sliding of short tube 72 and reception hole 69
Cooperation makes the dynamic valve plug 62 of heat impartially be sealed at the dynamic valve seat 26 of heat, while being formed airtight between the contact surface of the two and closed
Plug flow access 27 interdicts combustion gas, avoids greater disaster.
The valve body 12 that above-described embodiment uses is that a kind of centre opens the spherical cock in duct, but coniform rotation also can be used
Plug is used as valve body.Fig. 6 is the embodiment sectional view that the utility model uses coniform cock as valve body 12a.The present embodiment is taken off
The difference of the burnt gas switch 10a and above-described embodiment that show, which are essentially consisted in, is opened and closed fuel gas path, remaining part using coniform valve body 12a
Divide complete or substantially identical therefore same as the previously described embodiments part with identical symbology, and previously for above-mentioned
The explanation of embodiment is also suitable for the present embodiment, is not repeated.In the present embodiment, Switch main body 11a is in inflow entrance 21 and stream
An opening up valve body room 23a is formed between outlet 22, for storing the coniform valve body 12a with combustion gas stream access 36,
Valve body 12a is the turn by the knob 37 of torsion driving mechanism 13a, to reach the effect of opening and closing fuel gas path.Due to coniform
Valve body 12a and valve body room 23a can form air-tight fit by machining, therefore can omit the above-mentioned ball valve 12 of cooperation and use
Valve seat 35a, 35b.Driving mechanism 13a for the coniform valve body 12a of turn and the drive to drive ball valve 12 to rotate
Motivation structure 13 is constructively slightly different, but that takes off patent announcement before belonging to has used technology, therefore does not repeat.
Certainly, above-described embodiment can be subject to several variations in the case where not departing from the scope of the utility model, therefore above explanation
Include and whole item shown in the drawings should be regarded as illustrative, rather than applies for a patent model to limit the utility model
It encloses.
Claims (6)
1. the super stream temperature control burnt gas switch of one kind, it is characterised in that：Include：
One Switch main body has an inflow entrance and an outflux, forms a valve body room, the inflow between the inflow entrance and outflux
Mouthful leading portion and back segment be respectively formed a safe valve chamber and move valve chamber with a heat, the safe valve chamber is by valve chamber structure after valve chamber and one before one
At the internal diameter of the rear valve chamber is greater than the internal diameter of the preceding valve chamber, which moves dynamic across a cricoid heat between valve chamber and safe valve chamber
Valve seat, the inner wall of the heat dynamic valve seat from the inflow entrance is radially inwardly extending to be formed, and defines a logical circulation road；
One valve body is arranged in the valve body room, which is connected to driving mechanism turn above by one, so that the stream
Entrance is connected to outflux or is not connected to；
One safety valve, the emergency valve seat for being assembled in the preceding valve chamber including one, the emergency valve seat have a logical circulation road；One leading portion is inserted in
The logical circulation road of the emergency valve seat and back segment are in the bracket of the rear valve chamber；One pass through the bracket be the safety valve to slide axially freely
Plug, the safe valve plug have a slide bar, and the rear end of the slide bar radially expands to form a bar tail；And one encapsulation on the slide bar
Compression spring, the two ends difference contact of the compression spring in the bracket and bar tail, with by its elastic force so that the safe valve plug
It steps back, keeping the logical circulation road of the emergency valve seat is open state；Gaseous-pressure difference in front of the safe valve plug with rear is greater than
When the elastic force of the compression spring, the safe valve plug will be made to advance simultaneously adherence in the emergency valve seat, and interdict the emergency valve seat
Logical circulation road；And
The dynamic valve of one heat, setting are moved in valve chamber in the heat, move valve plug by the heat that eutectic solder is maintained at valve opening position usually comprising one,
An and compressed spring as the dynamic valve plug power source of the heat；When the solder fusing, the elastic force of the compressed spring will make the heat
Dynamic valve plug advances and adherence is in the dynamic valve seat of the heat, and occludes the logical circulation road that the heat moves valve seat.
2. super stream temperature control burnt gas switch as described in claim 1, it is characterised in that：The logical circulation road of the emergency valve seat has one
The bracket of the segment difference section formed by difference in internal diameters, the safety valve includes a sleeve and a frame body, and the sleeve is in a manner of interference engagement
It is inserted in the logical circulation road of the emergency valve seat, until its contact is in the segment difference section of the logical circulation road；The frame body is integrally formed at the sleeve
Rear, and in the rear valve chamber in the Switch main body, the internal diameter of the rear valve chamber is greater than the outer diameter of the bracket frame body, to expand combustion
Gas enters the flowing path section of the safe valve support.
3. super stream temperature control burnt gas switch as described in claim 1, it is characterised in that：Between the emergency valve seat and the preceding valve chamber
O-ring by an encapsulation in the emergency valve seat periphery keeps airtight.
4. super stream temperature control burnt gas switch as described in claim 1, it is characterised in that：The dynamic valve chamber of heat is with one because of difference in internal diameters
And the segment difference section generated；It includes a bracket that the heat moves valve again, which includes the bracket body of a cylindrical shape, and from the bracket sheet
The periphery of body is to several fins of external radiation, and the bracket body is with a reception hole, the outer rim of the fin and the dynamic valve chamber of the heat
Inner wall forms interference engagement, and the leading edge contact of the fin moves the segment difference section of valve chamber in the heat, and one of the fin radially expands
A groove is defined greatly, the bottom of the groove has a hole being connected to the reception hole；The heat is moved valve plug and is inserted in comprising one
The reception hole of the bracket body be slide axially short tube freely and one surround the short tube periphery annular ditch groove；The compression bullet
The leading portion of spring pack into the heat move valve plug short tube in, back segment is fitted into the reception hole of the bracket body, and two ends difference contact in
The heat moves valve plug and bracket body；It also includes a steel ball being arranged in the hole that the heat, which moves valve, which is filled in
The groove is moved in the annular ditch groove of valve plug with fixing the steel ball so that the lower part of the steel ball is embedded in the heat via the hole, will
The heat moves valve plug and keeps valve opening position；When the solder fusing causes the steel ball to loosen, which moves valve plug by the elasticity of the compressed spring
Power and advance and adherence in the heat moves valve seat, and occlude the logical circulation road of the dynamic valve seat of the heat.
5. super stream temperature control burnt gas switch as claimed in claim 4, it is characterised in that：The dynamic valve plug of heat includes one along axial direction again
The chamber in the short tube is extended to, the bar tail of the safe valve plug and the back segment of slide bar are inserted into the chamber.
6. super stream temperature control burnt gas switch as claimed in claim 4, it is characterised in that：The upper surface of described steel ball covers a gasket,
The steel ball is maintained in the hole by the eutectic solder across the gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820418552.8U CN208138536U (en) | 2018-03-27 | 2018-03-27 | Super stream temperature control burnt gas switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820418552.8U CN208138536U (en) | 2018-03-27 | 2018-03-27 | Super stream temperature control burnt gas switch |
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| Publication Number | Publication Date |
|---|---|
| CN208138536U true CN208138536U (en) | 2018-11-23 |
Family
ID=64290365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820418552.8U Active CN208138536U (en) | 2018-03-27 | 2018-03-27 | Super stream temperature control burnt gas switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208138536U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288195A (en) * | 2018-12-07 | 2020-06-16 | 乔民 | Gas high-temperature automatic cut-off valve |
| CN111336293A (en) * | 2020-03-16 | 2020-06-26 | 成都特恩达燃气设备有限公司 | Air valve |
| CN111577953A (en) * | 2020-05-18 | 2020-08-25 | 重庆界石仪表有限公司 | Emergency cut-off system |
| CN113464698A (en) * | 2020-03-31 | 2021-10-01 | 株式会社大陆制罐 | Flow choking safety valve for preventing portable gas storage tank from exploding |
-
2018
- 2018-03-27 CN CN201820418552.8U patent/CN208138536U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288195A (en) * | 2018-12-07 | 2020-06-16 | 乔民 | Gas high-temperature automatic cut-off valve |
| CN111336293A (en) * | 2020-03-16 | 2020-06-26 | 成都特恩达燃气设备有限公司 | Air valve |
| CN111336293B (en) * | 2020-03-16 | 2021-09-28 | 成都特恩达燃气设备有限公司 | Air valve |
| CN113464698A (en) * | 2020-03-31 | 2021-10-01 | 株式会社大陆制罐 | Flow choking safety valve for preventing portable gas storage tank from exploding |
| CN113464698B (en) * | 2020-03-31 | 2023-05-16 | 株式会社大陆制罐 | Flow-blocking safety valve for preventing portable air storage tank from explosion |
| CN111577953A (en) * | 2020-05-18 | 2020-08-25 | 重庆界石仪表有限公司 | Emergency cut-off system |
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Effective date of registration: 20211026 Address after: 596 Xinzhuang Road, Xinzhuang District, Xinbei, Taiwan, China Patentee after: Zhuang Jiasong Patentee after: Zhejiang zhongran Intelligent Technology Co.,Ltd. Patentee after: Jin Lingmin Address before: Chinese Taiwan New Taipei City Patentee before: Zhuang Jiasong |
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