CN205064974U - Fire prevention valve structure of discharging fume - Google Patents
Fire prevention valve structure of discharging fume Download PDFInfo
- Publication number
- CN205064974U CN205064974U CN201520856085.3U CN201520856085U CN205064974U CN 205064974 U CN205064974 U CN 205064974U CN 201520856085 U CN201520856085 U CN 201520856085U CN 205064974 U CN205064974 U CN 205064974U
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- blade
- stainless steel
- steel spring
- fire
- sharf
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Abstract
The utility model relates to a fire extinguishing system provides a fire prevention valve structure of discharging fume, including the frame, be equipped with blade baffle and a plurality of blade groove steel bracket on the frame, be equipped with a blade mechanism on every blade groove steel bracket, blade mechanism includes blast gate executor, blade and blade axle, the blast gate executor with the blade axle is connected, through the blade axle control sets up the blade is epaxial the blade rotates, blade the edge is equipped with the stainless steel spring piece the stainless steel spring piece reaches be equipped with the stainless steel spring layering between the rotation axis. The high temperature resistance effect has been promoted owing to increase stainless steel spring piece and stainless steel spring layering, simultaneously because the elastic reaction of stainless steel spring layering makes airtight effect better effective inclosed the time.
Description
Technical field
The utility model relates to a kind of fire-fighting system, espespecially a kind of fire and smoke exhaust valve arrangement.
Background technique
In existing building, particularly the important place such as market, hotel, office building, is all provided with fire automatic fire prevention alarm system, must installs fire-closing valve and exhaust smoke valve in ventilation duct and gas exhaust duct system.Fire-closing valve is normally open at ordinary times, and when fire occurs, when ventilating duct gas temperature is more than 70C, fuse sheet fuses, and air-valve cuts out under the action of the spring automatically, and at high temperature reaches the fire resistance rating of national regulation, plays the effect intercepting pyrotechnics.
Shown in composition graphs 1 and Fig. 2, in technology in the past, fire and smoke exhaust valve arrangement due to prior art comprises a running shaft, running shaft housing 81, housing 81 is provided with blade damper (not indicating in figure) and blade groove Steel Bracket 83, blade groove Steel Bracket 83 is provided with plurality of vanes mechanism, blade mechanism comprises fan valve executor, blade 841 and sharf 842, fan valve executor is connected with sharf 842, controls the blade 841 be arranged on sharf 842 rotate by sharf 842.
Separately, because blade 841 is arranged on axle 842, in order to reduce friction, generally between blade 841 and blade groove Steel Bracket 83, increasing a copper washer 8421, so easily produce the gap of gas leakage in the position increasing copper washer 8421, being unfavorable for isolated effect.
When fire occurs, when ventilating duct gas temperature is more than 70C, the fuse sheet fusing of detected temperatures, air-valve is under the effect of fan valve executor (can be a spring), rotated by sharf 842, band moving vane 841 and blade connecting rod, all blades 841 are made to close air-valve in 90 degree in the same direction, now blade touches blade damper, blade damper is pressed firmly at the effect lower blade of fan valve executor, because blade 841 has added stainless steel spring sheet, blade 841 is made to fit together (being also same principle between blade 841 and blade 841) more closely with between blade damper, serve airtight effect.The defect of existing fire-closing valve is overlapping part between valve closing rear blade and blade, owing to can be out of shape under the effect of high temperature, air valve blades cannot be fitted tightly together, cause and leak out in a large number, cannot intercept the intensity of a fire alters to other spaces, causes further loss to life, property.Therefore, have to reduce leaking out property the necessity improved further.
Model utility content
The purpose of this utility model is in the fire and smoke exhaust valve arrangement existed in prior art, due to the distortion of high temperature action blade overlapping part, thus the problem of the effect losing lattice gear of leaking out.
For solving the problems of the technologies described above, this practical fire and smoke exhaust valve arrangement newly providing enhancing sealing, comprise housing, described housing is provided with blade damper and blade groove Steel Bracket, described blade groove Steel Bracket is provided with plurality of vanes mechanism, described blade mechanism comprises fan valve executor, blade and sharf, described fan valve executor is connected with described sharf, control by described sharf the described blade be arranged on described sharf to rotate, described blade mechanism is also provided with stainless steel spring sheet and stainless steel spring press strip.
Further, described blade rotary center to blade two rotate outside Edge Distance equal, described blade rotary center is provided with the axis of rotation position of matching with running shaft, described blade two rotate outside edge and described axis of rotation position between be provided with crooked groove.
Further, described stainless steel spring sheet be arranged on described blade two rotate outside edge part.
Further, described stainless steel spring press strip is arranged on the crooked groove of described blade.
Further, described stainless steel spring press strip bends and stretches, and forms a curved part corresponding with described crooked groove in the other direction.
Further, described sharf is provided with a copper band pad, and described copper band pad is arranged between described blade groove Steel Bracket and described blade,
Further, described stainless steel spring sheet is arranged between described copper band pad on described sharf and described blade.
The utility model is owing to using above technological scheme, and the beneficial effect made it have is:
Improve resistant to elevated temperatures effect owing to increasing stainless steel spring sheet and stainless steel spring press strip, simultaneously in airtight due to the elastic reaction of stainless steel spring press strip, make obturation effect more effectively good.
Accompanying drawing explanation
Fig. 1 is the right-angle view at first technology blade;
Fig. 2 is the running shaft view in first technology;
Fig. 3 is the blade right-angle view of a kind of fire and smoke exhaust valve arrangement of the utility model;
Fig. 4 is the running shaft view of a kind of fire and smoke exhaust valve arrangement of the utility model.
Embodiment
For making the purpose of this utility model, technological scheme and advantage clearly, below each mode of execution of the present utility model is explained in detail.But, persons of ordinary skill in the art may appreciate that in the utility model mode of execution, proposing many ins and outs to make reader understand the application better.But, even without these ins and outs with based on the many variations of following mode of execution and amendment, each claim of the application technological scheme required for protection also can be realized.
Shown in composition graphs 3 and Fig. 4, a kind of fire and smoke exhaust valve arrangement of the present utility model, comprise housing 1, housing 1 is provided with blade damper (not indicating in figure) and blade groove Steel Bracket 3, blade groove Steel Bracket 3 is provided with plurality of vanes mechanism, blade mechanism comprises fan valve executor, blade 41 and sharf 42, fan valve executor is connected with sharf 42, control by sharf 42 blade 41 be arranged on sharf 42 to rotate, blade mechanism is also provided with stainless steel spring sheet and stainless steel spring press strip 6.
When reality uses, improve resistant to elevated temperatures effect owing to increasing stainless steel spring sheet and stainless steel spring press strip 6, simultaneously in airtight due to the elastic reaction of stainless steel spring press strip 6, make obturation effect more effectively good.
In addition, the Edge Distance that blade 41 rotating center rotates outside to 41 liang, blade is equal, blade 41 rotating center is provided with the axis of rotation position of matching with running shaft, 41 liang, blade rotates between the edge of outside and axis of rotation position and is provided with crooked groove, like this by the setting of central shaft, make being equal in weight of running shaft both sides, reduce nonsymmetry.
Meanwhile, stainless steel spring sheet is provided with two, is respectively the first spring sheet 51 and the second spring sheet 52, first spring sheet 51 and is arranged on the edge part that 41 liang, blade rotates outside.First spring sheet 51 is arranged on contact position, effectively adds the effect of opposing high temperature.
It is worth mentioning that, stainless steel spring press strip 6 is arranged on the crooked groove of blade 41, is arranged on crooked groove, because groove creates insulating space, further reduces heat transfer rate, add the effect of high temperature resistance by the first spring sheet 51.
In addition, stainless steel spring press strip 6 bends and stretches, and forms a curved part corresponding in the other direction with crooked groove, two-wayly arranges groove, space in groove is strengthened further, the propagation of better effective trap heat, reduces the possibility of blade 41 distortion.
Wherein, sharf 42 is provided with a copper band pad 421, and copper band pad 421 is arranged between blade groove Steel Bracket 3 and blade 41.Increase copper washer 421, reduce mill difference power, sharf 42 is rotated more effectively good.
Specifically, the second spring sheet 52 is arranged between copper band pad 421 on sharf 42 and blade 41.Set up the second spring sheet 52, utilize the elastic force of the second spring sheet 52, contact with blade 41 and more closely reduce the distance of leaking gas.
In use, fire-closing valve is normally open at ordinary times, when fire occurs, when ventilating duct gas temperature is more than 70C, the fuse sheet fusing of detected temperatures, air-valve is under the effect of fan valve executor (can be a spring), rotated by sharf 42, band moving vane 41 and blade connecting rod, all blades 41 are made to close air-valve in 90 degree in the same direction, now blade has touched blade damper 2, blade damper is pressed firmly at the effect lower blade of fan valve executor, because blade 41 has added stainless steel spring sheet 5, blade 41 is made to fit together (being also same principle between blade 41 and blade 41) more closely with between blade damper, serve airtight effect.
Meanwhile, play airtight effect further owing to being equipped with stainless steel spring sheet 5 between the copper band pad 421 on sharf 42 and blade 41, thus meet the requirements of sealing effect.
Persons of ordinary skill in the art may appreciate that the respective embodiments described above realize specific embodiment of the utility model, and in actual applications, various change can be done to it in the form and details, and do not depart from spirit and scope of the present utility model.
Claims (7)
1. a fire and smoke exhaust valve arrangement, comprise housing, described housing is provided with blade damper and plurality of vanes channel-section steel support, described each blade groove Steel Bracket is provided with a blade mechanism, described blade mechanism comprises fan valve executor, blade and sharf, described fan valve executor is connected with described sharf, control by described sharf the described blade be arranged on described sharf to rotate, it is characterized in that: described blade edge position is provided with stainless steel spring sheet, between described stainless steel spring sheet and described running shaft, be provided with stainless steel spring press strip.
2. the fire and smoke exhaust valve arrangement as shown in claim 1, it is characterized in that: the Edge Distance that described blade rotary center rotates outside to blade two is equal, described blade rotary center is provided with the axis of rotation position of matching with running shaft, and described blade two rotates between the edge of outside and described axis of rotation position and is provided with crooked groove.
3. the fire and smoke exhaust valve arrangement as shown in claim 2, is characterized in that: described stainless steel spring sheet is arranged on the edge part that described blade two rotates outside.
4. the fire and smoke exhaust valve arrangement as shown in claim 2, is characterized in that: described stainless steel spring press strip is arranged on the crooked groove of described blade.
5. the fire and smoke exhaust valve arrangement as shown in claim 4, is characterized in that: described stainless steel spring press strip bends and stretches, and forms a curved part corresponding with described crooked groove in the other direction.
6. the fire and smoke exhaust valve arrangement as shown in claim 1, is characterized in that: described sharf is provided with a copper band pad, and described copper band pad is arranged between described blade groove Steel Bracket and described blade,
7. the fire and smoke exhaust valve arrangement as shown in claim 6, is characterized in that: described stainless steel spring sheet is arranged between described copper band pad on described sharf and described blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520856085.3U CN205064974U (en) | 2015-10-29 | 2015-10-29 | Fire prevention valve structure of discharging fume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520856085.3U CN205064974U (en) | 2015-10-29 | 2015-10-29 | Fire prevention valve structure of discharging fume |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205064974U true CN205064974U (en) | 2016-03-02 |
Family
ID=55391530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520856085.3U Expired - Fee Related CN205064974U (en) | 2015-10-29 | 2015-10-29 | Fire prevention valve structure of discharging fume |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205064974U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744350A (en) * | 2018-07-10 | 2018-11-06 | 广州市泰昌实业有限公司 | High-air-tightness anti-fire smoke expelling valve and smoke discharging pipe |
-
2015
- 2015-10-29 CN CN201520856085.3U patent/CN205064974U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744350A (en) * | 2018-07-10 | 2018-11-06 | 广州市泰昌实业有限公司 | High-air-tightness anti-fire smoke expelling valve and smoke discharging pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20161029 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |