CN207609828U - Fire resisting damper - Google Patents
Fire resisting damper Download PDFInfo
- Publication number
- CN207609828U CN207609828U CN201721471483.9U CN201721471483U CN207609828U CN 207609828 U CN207609828 U CN 207609828U CN 201721471483 U CN201721471483 U CN 201721471483U CN 207609828 U CN207609828 U CN 207609828U
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- China
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- valve body
- fire resisting
- main shaft
- flange ring
- mounting flange
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Abstract
The utility model discloses a kind of fire resisting dampers,Including valve body,The top and bottom of the valve body are both provided with mounting rod,And blade countershaft and blade main shaft are installed on valve body,It is arranged with mounting flange ring on the blade main shaft,The inside of the mounting flange ring, which is located at two side positions of blade main shaft, is equipped with axle sleeve,And sealing shrapnel is provided on the outside of mounting flange ring,On the blade main shaft plain cushion is arranged at two side positions of mounting flange ring,The utility model is provided with mounting flange ring,Runner sealing reed and sealing shrapnel,Mounting flange ring being capable of better fixed valve body,Ensure each weld requirement firm welding,Weld seam is beautiful,Runner sealing reed ensure that each position is smooth,Gap uniformity,And overlapped that mode is matched using sealing shrapnel for blade main shaft and blade,Assembly is flexible,Avoid the phenomenon that emerged in operation hinders,Improve the security performance of fire resisting damper,It is more convenient to use.
Description
Technical field
The utility model belongs to fire resisting damper technical field, and in particular to a kind of fire resisting damper.
Background technology
Fire resisting damper, normally opened, 70 DEG C or 280 DEG C closings are typically mounted at air hose and pass through at fire wall, play fire shutdown and make
With, output electric signal can be set, when temperature is more than 70 DEG C or 280 DEG C valve close, linkage send (benefits) wind turbine close, install
It is sent, on air return pipeline in ventilation, air-conditioning system, is in usually open state, when gas in pipelines temperature reaches 70 DEG C when fire
When, fuse sheet fusing, valve is automatically closed under torsional spring force effect, can meet fire stability within a certain period of time and fire resisting is complete
Whole property requirement, plays the valve every cigarette back-fire relief.When valve is closed, shutdown signal is exported, is mounted on smoke evacuation system pipeline, is put down
When generally in closed state, when fire, manually or electrically opens, and plays smoke evacuation.When flue-gas temperature reaches 280 in smoke discharging pipe
DEG C when close, fire stability and fire integrity demands can be met within a certain period of time, play the valve of smoke evacuation.
But there are some defects during use in existing fire resisting damper, for example,.
Utility model content
The purpose of this utility model is to provide a kind of fire resisting dampers, to solve teacher mentioned above in the background art upper
Most of the time class hour is all used for writing book plate, and efficiency of teaching is low and cannot look after most student, and it is necessary to attend class
It is aided with writing on the blackboard, and can often uses foul papers upper class hour, the problem of used paper cannot be reused, be wasted very much again.
To achieve the above object, the utility model provides the following technical solutions：A kind of fire resisting damper, including valve body, the valve
The top and bottom of body are both provided with mounting rod, and blade countershaft and blade main shaft are equipped on valve body, on the blade main shaft
It is arranged with mounting flange ring, the inside of the mounting flange ring, which is located at two side positions of blade main shaft, is equipped with axle sleeve, and solid
Determine to be provided with sealing shrapnel on the outside of flange ring, on the blade main shaft positioned at mounting flange ring two side positions at be arranged with it is flat
Pad, and one end of blade main shaft is rotatably connected to link assembly by one end of hinge, the link assembly passes through the another of hinge
One end is rotatably connected to blade, is overlapped by runner sealing reed between two blades, and a side of the valve body is logical
It crosses tension spring fixed plate and is fixed with extension spring, and another side of valve body is equipped with fire resisting damper and starts panel, the fire resisting damper
The inside that the side of startup panel is located at valve body is equipped with PT100 temperature sensors, and baffle, institute are equipped at the top of the valve body
It states PT100 temperature sensors and starts panel electric connection with fire resisting damper.
Preferably, there are four the mounting rod is arranged altogether, and four mounting rods be mounted on two-by-two respectively valve body top and
Bottom.
Preferably, there are four the mounting flange ring is arranged altogether, and four mounting flange rings are set in blade two-by-two respectively
On main shaft.
Preferably, there are two the extension spring is arranged altogether, and two extension springs are mounted on by tension spring fixed plate
The side of valve body.
Preferably, the fire resisting damper starts is provided with startup ball valve on panel.
Compared with prior art, the utility model has the beneficial effects that：The utility model is scientific and reasonable for structure, safe to use
It is convenient.
(1) the utility model is provided with mounting flange ring, runner sealing reed and sealing shrapnel, and mounting flange ring can be more
Good fixed valve body ensures each weld requirement firm welding, and weld seam is beautiful, and runner sealing reed ensure that each position is smooth,
Gap uniformity preferably prevents from revealing, and overlapped that mode is matched using sealing shrapnel for blade main shaft and blade, assembly spirit
It is living, the phenomenon that emerged in operation hinders is avoided, the security performance of fire resisting damper is improved, it is more convenient to use.
(2) the utility model is provided with mounting rod, and mounting rod has certain height, fire resisting damper can be made to have more in ventilating duct
Good ventilation effect, allows distinguished and admirable preferably by valve, and fixing nut is provided on mounting rod, installation valve body of being more convenient for makes
With more convenient.
Description of the drawings
Fig. 1 is the front view of the utility model；
Fig. 2 is the blade start-up view of the utility model；
Fig. 3 is the enlarged drawing at the utility model A；
Fig. 4 is the enlarged drawing at the utility model B；
In figure：1- link assemblies, 2- tension springs fixed plate, 3- extension springs, 4- blades countershaft, 5-PT100 temperature sensors,
6- blades main shaft, 7- fire resisting dampers start panel, 8- baffles, 9- blades, 10- valve bodies, 11- hinges, 12- runner sealings reed, 13-
Axle sleeve, 14- sealings shrapnel, 15- plain cushions, 16- mounting flanges ring, 17- mounting rods.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, the utility model provides the following technical solutions：A kind of fire resisting damper, including valve body 10, valve body 10
Top and bottom are both provided with mounting rod 17, and blade countershaft 4 and blade main shaft 6 are equipped on valve body 10, are covered on blade main shaft 6
Equipped with mounting flange ring 16, the inside of mounting flange ring 16, which is located at two side positions of blade main shaft 6, is equipped with axle sleeve 13, and solid
The outside for determining flange ring 16 is provided with sealing shrapnel 14, is located on blade main shaft 6 at two side positions of mounting flange ring 16 and is arranged
There is plain cushion 15, and one end of blade main shaft 6 is rotatably connected to link assembly 1 by one end of hinge 11, link assembly 1 passes through hinge
The other end of chain 11 is rotatably connected to blade 9, is overlapped by runner sealing reed 12 between two blades 9, one of valve body 10
Side is fixed with extension spring 3 by tension spring fixed plate 2, and another side of valve body 10 is equipped with fire resisting damper and starts panel 7,
The inside that the side of fire resisting damper startup panel 7 is located at valve body 10 is equipped with PT100 temperature sensors 5, the top installation of valve body 10
There are baffle 8, PT100 temperature sensors 5 to start panel 7 with fire resisting damper and be electrically connected.
For the ease of installing valve body 10, in the present embodiment, it is preferred that mounting rod 17 is altogether there are four settings, and four installations
Bar 17 is mounted on the top and bottom of valve body 10 two-by-two respectively.
In order to keep table leg more firm, in the present embodiment, it is preferred that there are four mounting flange ring 16 is arranged altogether, and four solid
Determine flange ring 16 to be set in two-by-two on blade main shaft 6 respectively.
It is opened and closed in order to preferably band movable vane piece 9, in the present embodiment, it is preferred that extension spring 3 is provided with altogether
Two, and two extension springs 3 are mounted on the side of valve body 10 by tension spring fixed plate 2.
For the ease of adjusting air quantity manually, in the present embodiment, it is preferred that fire resisting damper starts is provided with startup ball on panel 7
Valve.
The operation principle and process for using of the utility model：After the utility model installs, valve body 10 is mounted on row
On smoke pipeline, when PT100 temperature sensors 5 detect that the Fire Smoke Temperature in smoke exhaust pipe is more than 280 degree, exported after action
Signal starts panel 7 to fire resisting damper, and fusible metal piece will melt, and blade 9 is rotated by hinge 11 to be turned on link assembly 1
Dynamic, the lower pinch in of the effect of extension spring 3,10 inner tensile spring 3 of valve body drives valve blade 9 to close, blocked thermal current or
Flame passes through, it is therefore prevented that the sprawling of fire, smoke exhaust fire damper will be automatically closed, and prevent fire from being spread by smoke exhaust pipe, pass through
The startup ball valve that fire resisting damper starts on panel 7 can adjust air quantity manually.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of fire resisting damper, including valve body (10), which is characterized in that the top and bottom of the valve body (10) are both provided with installation
Bar (17), and blade countershaft (4) and blade main shaft (6) are installed on valve body (10), it is arranged with fixation on the blade main shaft (6)
Flange ring (16), the inside of the mounting flange ring (16), which is located at two side positions of blade main shaft (6), is equipped with axle sleeve (13),
And sealing shrapnel (14) is provided on the outside of mounting flange ring (16), mounting flange ring (16) is located on the blade main shaft (6)
Two side positions at be arranged with plain cushion (15), and one end of blade main shaft (6) is rotatably connected to company by one end of hinge (11)
Bar assembly (1), the link assembly (1) are rotatably connected to blade (9), two blades by the other end of hinge (11)
(9) it is overlapped by runner sealing reed (12) between, a side of the valve body (10) is fixed with by tension spring fixed plate (2)
Extension spring (3), and another side of valve body (10) is equipped with fire resisting damper and starts panel (7), the fire resisting damper starts panel
(7) inside that side is located at valve body (10) is equipped with PT100 temperature sensors (5), is equipped at the top of the valve body (10)
Baffle (8), the PT100 temperature sensors (5) start panel (7) with fire resisting damper and are electrically connected.
2. fire resisting damper according to claim 1, it is characterised in that：There are four the mounting rod (17) is arranged altogether, and four
Mounting rod (17) is mounted on the top and bottom of valve body (10) two-by-two respectively.
3. fire resisting damper according to claim 1, it is characterised in that：There are four the mounting flange ring (16) is arranged altogether, and
Four mounting flange rings (16) are set in two-by-two respectively on blade main shaft (6).
4. fire resisting damper according to claim 1, it is characterised in that：There are two the extension spring (3) is arranged altogether, and two
Extension spring (3) is mounted on the side of valve body (10) by tension spring fixed plate (2).
5. fire resisting damper according to claim 1, it is characterised in that：The fire resisting damper starts is provided with startup on panel (7)
Ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721471483.9U CN207609828U (en) | 2017-11-07 | 2017-11-07 | Fire resisting damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721471483.9U CN207609828U (en) | 2017-11-07 | 2017-11-07 | Fire resisting damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207609828U true CN207609828U (en) | 2018-07-13 |
Family
ID=62794074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721471483.9U Active CN207609828U (en) | 2017-11-07 | 2017-11-07 | Fire resisting damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207609828U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099167A (en) * | 2018-10-28 | 2018-12-28 | 扬州新扬通风设备有限公司 | A kind of fire resisting damper of low leakage |
-
2017
- 2017-11-07 CN CN201721471483.9U patent/CN207609828U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099167A (en) * | 2018-10-28 | 2018-12-28 | 扬州新扬通风设备有限公司 | A kind of fire resisting damper of low leakage |
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| GR01 | Patent grant |