CN206675858U - A kind of D type fire extinguisher valve mechanism - Google Patents
A kind of D type fire extinguisher valve mechanism Download PDFInfo
- Publication number
- CN206675858U CN206675858U CN201720335325.4U CN201720335325U CN206675858U CN 206675858 U CN206675858 U CN 206675858U CN 201720335325 U CN201720335325 U CN 201720335325U CN 206675858 U CN206675858 U CN 206675858U
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- China
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- valve rod
- gas channel
- fire extinguisher
- valve
- valve body
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Abstract
The utility model discloses a kind of D type fire extinguisher valve mechanism, including valve body and the valve rod that can be moved up and down in valve body, described valve body is provided with air inlet, gas outlet and connection air inlet and the gas channel of gas outlet, body top, which is provided with, may act on the pressure handle that valve rod opens gas channel, the return spring that may act on valve rod closed gas flow passage is provided with described gas outlet, the guide ring that described gas channel is provided with some prerotation vanes along gas channel circumferential directions close to one end of gas outlet and prerotation vane relative wind passage can be driven to rotate, described valve rod is provided with the service portion for promoting guide ring to rotate.The utility model aims to provide a kind of D type fire extinguisher valve mechanism that can be switched between concentration ejecting extinguishing and large area ejecting extinguishing.
Description
Technical field
The utility model belongs to fire extinguisher field, more particularly to a kind of D type fire extinguisher valve mechanism.
Background technology
As people also increasingly increase the demand of home fire extinguisher the continuous enhancing of fire-fighting consciousness, people.Fire
Calamity is categorized as A, B, C, D, E, F, and be most difficult to put out works as number（D classes）Light-weight metal fire, because light-weight metal class material has very
Strong oxidisability, meet water and just produce combustion explosion, it is also more specialized to the technical need of fire extinguisher.It is special light putting out
During matter metallic fires, it should using with decompression Nozzle Design（D classes）Professional fire extinguisher is stamped out a fire, and prevents fire extinguishing
Agent ejection pressure is excessive, and combustible substance is beaten and flown to above the original material without burning, causes the rapid expansion of fire.China
Utility model patent discloses a kind of Patent No. ZL89203022.4 fire-extinguisher cock valve, ties up to valve body and is provided with least
Two slotted eyes, to install a high-voltage safety plug and a low pressure attention device, and the extinguishing chemical port of export of the valve body, provided with quick
Joint.The switch valve is applied on fire extinguisher, in use, different fire-extinguishing applications can be directed to, by change different jet pipes come
Realize.This structure will not generally be equipped with different jet pipes in the fire-fighting fire extinguishing occasion seized every minute and second, and easily occur without corresponding
Jet pipe, and lose its effect, while in the outfit of fire-fighting equipment, a plurality of jet pipe will bring very big fiber crops to administration of the prevention and control
It is tired.
Utility model content
The utility model is to overcome above-mentioned deficiency of the prior art, there is provided one kind can concentrate ejecting extinguishing and
The D type fire extinguisher valve mechanism switched between large area ejecting extinguishing.
To achieve these goals, the utility model uses following technical scheme：
A kind of D type fire extinguisher valve mechanism, including valve body and the valve rod that can be moved up and down in valve body, described valve body
Air inlet, gas outlet and connection air inlet and the gas channel of gas outlet are provided with, body top is provided with and may act on valve rod
The pressure handle of gas channel is opened, the return spring that may act on valve rod closed gas flow passage is provided with described gas outlet, it is described
Gas channel be provided with some prerotation vanes along gas channel circumferential directions close to one end of gas outlet and can drive and lead
The guide ring rotated to piece relative wind passage, described valve rod are provided with the service portion for promoting guide ring to rotate.Valve rod can phase
Valve body is moved, opened gas channel when valve body moves down so that extinguishing chemical flows to gas outlet from air inlet, and this is directly injection
State, extinguishing chemical have jet length farther out.When valve body is displaced downwardly to bottom of travel, valve rod is acted on so that guide ring turns
It is dynamic, drive prerotation vane to rotate, so as to change the flow direction of extinguishing chemical so that and extinguishing chemical twist flows in gas channel, when
When extinguishing chemical sprays from gas outlet, there is tangential velocity therefore can form larger spray angle, the injection for improving extinguishing chemical is covered
Lid scope.When unclamping pressure handle, valve body, which moves up, closes gas channel, blocks extinguishing chemical to flow outwardly.
Preferably, being provided with rotating shaft in the middle part of described prerotation vane, the rotating shaft is rotatablely connected with gas channel, the guiding
The side of piece is flexibly connected with guide ring, and the outward flange of the prerotation vane is curved.
Preferably, the guide ring is provided with projection close to the edge of valve rod one end, the service portion of the valve rod is tapered,
Return torsion spring is provided between prerotation vane and gas channel.
Preferably, the bottom of described valve rod is provided with seal receptacle, it is provided with the gas channel corresponding with seal receptacle
Sealing cone, the seal receptacle are provided with the primary seal circle to be offseted with sealing cone.
Preferably, the top of the valve body is provided with the through hole coordinated with valve stem slides, the top of the valve rod be provided with
The upper sealing ring that through hole sealing coordinates.
Preferably, described valve body is provided with the carrying handle being fixedly connected, the pressure handle is rotatablely connected with carrying handle, the pressure
The safety plug that slip is provided between carrying handle.
The beneficial effects of the utility model are：Ejecting extinguishing and large area is concentrated to spray by different realize of pressure handle pressing stroke
The switching of fire extinguishing is penetrated, meets different fire extinguishing demands.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present utility model.
In figure：Pressure handle 1, valve rod 2, service portion 2a, seal receptacle 2b, upper sealing ring 3, rotating shaft 4, return torsion spring 5, prerotation vane 6,
Guide ring 7, raised 7a, primary seal circle 8, return spring 9, valve body 10, gas channel 10a, gas outlet 10b, air inlet 10c, carry
11, safety plug 12.
Embodiment
The utility model is further described with reference to the accompanying drawings and detailed description.
In embodiment as shown in Figure 1, a kind of D type fire extinguisher valve mechanism, including valve body 10 and valve rod 2, set on valve body
There are air inlet 10c and gas outlet 10b, wherein air inlet is arranged on the bottom of valve body, and gas outlet is arranged on the sidepiece of valve body, air-flow
Passage 10a connects air inlet and gas outlet.The top of valve body is provided with the through hole coordinated with valve stem slides, and valve rod can be along on through hole
Lower movement, the lower end of valve rod are entered in gas channel by through hole, and the top of valve rod is provided with seals the upper close of cooperation with through hole
Seal 3.The bottom of valve rod is provided with seal receptacle 2b, and seal receptacle is connected with threaded stem, is provided with gas channel and seal receptacle
Corresponding sealing cone, seal receptacle are provided with the primary seal circle 8 to be offseted with sealing cone.Spring base, spring are provided with gas outlet
Seat is provided with return spring 9, return spring and seal receptacle, for promoting top on valve rod to coordinate with sealing cone, so as to close gas
Circulation road.
Body top is provided with pressure handle 1 and carrying handle 11, and wherein carrying handle is fixedly connected with the valve body, and pressure handle is rotatablely connected with carrying handle,
Pressure handle acts on the top of valve rod, and depressed stem is driven when pressure handle rotates down so that seal receptacle and sealing cone, so as to beat
Open gas channel.Safety plug 12 is provided between pressure handle and carrying handle, it is spacing to pressure handle and carrying handle progress, extract protect when it is desired to be used
Danger pin, spacing between releasing pressure handle and carrying handle, pressure handle can be pushed smoothly.
Gas channel is provided with some prerotation vanes 6 along gas channel circumferential directions close to one end of gas outlet and can
The guide ring 7 for driving prerotation vane relative wind passage to rotate, valve rod are provided with the service portion 2a for promoting guide ring to rotate.Prerotation vane
Middle part is provided with rotating shaft 4, and rotating shaft is rotatablely connected with gas channel, and return torsion spring 5 is provided between prerotation vane and gas channel.Prerotation vane
Side be flexibly connected with guide ring, the outward flange of prerotation vane is curved, and when prerotation vane rotates, the outward flange of arc can
It is engaged with gas channel.Guide ring is provided with raised 7a close to the edge of valve rod one end, and the service portion of valve rod is tapered, works as valve rod
The service portion of taper will drive guide ring to rotate an angle, the prerotation vane being connected with guide ring with male cooperation when moving down
One angle of axis of rotation is will be around, so as to change the airflow direction in gas channel.
Claims (6)
1. a kind of D type fire extinguisher valve mechanism, it is characterized in that, including valve body（10）And can be in valve body（10）Inside move up and down
Valve rod（2）, described valve body（10）It is provided with air inlet（10c）, gas outlet（10b）And connection air inlet（10c）And outlet
Mouthful（10b）Gas channel（10a）, valve body（10）Top is provided with and may act on valve rod（2）Open gas channel（10a）Pressure handle
（1）, described gas outlet（10b）Interior be provided with may act on valve rod（2）Closed gas flow passage（10a）Return spring（9）, it is described
Gas channel（10a）Close to gas outlet（10b）One end be provided with it is some along gas channel（10a）The guiding of circumferential directions
Piece（6）And prerotation vane can be driven（6）Relative wind passage（10a）The guide ring of rotation（7）, described valve rod（2）It is provided with
Promote guide ring（7）The service portion of rotation（2a）.
2. a kind of D type fire extinguisher valve mechanism according to claim 1, it is characterized in that, described prerotation vane（6）Middle part is set
There is rotating shaft（4）, the rotating shaft（4）With gas channel（10a）Rotation connection, the prerotation vane（6）Side and guide ring（7）It is living
Dynamic connection, the prerotation vane（6）Outward flange it is curved.
3. a kind of D type fire extinguisher valve mechanism according to claim 1 or 2, it is characterized in that, the guide ring（7）It is close
Valve rod（2）The edge of one end is provided with projection（7a）, the valve rod（2）Service portion（2a）It is tapered, prerotation vane（6）Gentle circulation
Road（10a）Between be provided with return torsion spring（5）.
4. a kind of D type fire extinguisher valve mechanism according to claim 1 or 2, it is characterized in that, described valve rod（2）Bottom
Portion is provided with seal receptacle（2b）, the gas channel（10a）Inside it is provided with and seal receptacle（2b）Corresponding sealing cone, the seal receptacle
（2b）It is provided with the primary seal circle to be offseted with sealing cone（8）.
5. a kind of D type fire extinguisher valve mechanism according to claim 1 or 2, it is characterized in that, the valve body（10）Top
It is provided with and valve rod（2）The through hole being slidably matched, the valve rod（2）Top be provided with through hole sealing coordinate upper sealing ring（3）.
6. a kind of D type fire extinguisher valve mechanism according to claim 1 or 2, it is characterized in that, described valve body（10）On set
There is the carrying handle being fixedly connected（11）, the pressure handle（1）With carrying handle（11）Rotation connection, the pressure handle（1）With carrying handle（11）Between
Safety plug provided with slip（12）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720335325.4U CN206675858U (en) | 2017-03-31 | 2017-03-31 | A kind of D type fire extinguisher valve mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720335325.4U CN206675858U (en) | 2017-03-31 | 2017-03-31 | A kind of D type fire extinguisher valve mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206675858U true CN206675858U (en) | 2017-11-28 |
Family
ID=60389791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720335325.4U Active CN206675858U (en) | 2017-03-31 | 2017-03-31 | A kind of D type fire extinguisher valve mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206675858U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110898360A (en) * | 2019-11-05 | 2020-03-24 | 天津航空机电有限公司 | Fill portable fire-extinguishing bottle injection structure of 2-BTP fire extinguishing agent |
-
2017
- 2017-03-31 CN CN201720335325.4U patent/CN206675858U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110898360A (en) * | 2019-11-05 | 2020-03-24 | 天津航空机电有限公司 | Fill portable fire-extinguishing bottle injection structure of 2-BTP fire extinguishing agent |
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