CN207229856U - A kind of dead-weight fire resisting damper - Google Patents
A kind of dead-weight fire resisting damper Download PDFInfo
- Publication number
- CN207229856U CN207229856U CN201720918202.3U CN201720918202U CN207229856U CN 207229856 U CN207229856 U CN 207229856U CN 201720918202 U CN201720918202 U CN 201720918202U CN 207229856 U CN207229856 U CN 207229856U
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- dead
- fire resisting
- valve body
- resisting damper
- blade
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Abstract
The utility model discloses a kind of dead-weight fire resisting damper; including valve body, the flange being arranged on valve body, the easily blade being arranged in valve body, appearance piece, connecting rod and spring; blade is closed downwards under gravity and spring effect, it is not necessary to by electric signal transmission, prevents circuit abnormality or aging from causing fire resisting damper to be failure to actuate; so as to not have the effect every cigarette back-fire relief; in addition, a kind of dead-weight fire resisting damper provided by the utility model, simple in structure; performance is stablized, highly reliable.
Description
Technical field
It the utility model is related to firefighting security device technical field, more particularly to a kind of dead-weight fire resisting damper.
Background technology
Fire resisting damper is mounted in ventilation, air-conditioning system is sent, on air return pipeline, usually in opening, when pipe during fire
It is automatically closed when gas temperature reaches 70 DEG C in road.Existing fire resisting damper is generally output a signal in control by temperature detector
The heart, control centre export electric signal to the electric signal linkage for closing the border device automatically, blade is closed the border automatically.But due to using
Electric signal transmission, may cause fire resisting damper to be failure to actuate because of circuit abnormality or aging, so as to not have the effect every cigarette back-fire relief.
The content of the invention
The technical problem to be solved by the utility model is to, there is provided a kind of simple in structure, performance is stablized, reliable dead weight
Formula fire resisting damper.
To reach above-mentioned technique effect, the utility model provides a kind of dead-weight fire resisting damper, including valve body, is arranged on valve
Flange on body, blade, fuse sheet, connecting rod and the spring being arranged in valve body, the connecting rod are connected between two blades, its
In, the small end is connected by the fuse sheet with the blade, the blade being connected with the connecting rod lower end and the bullet
Spring one end connects, and the spring other end is connected with the valve body.
Preferably, the blade is equipped with sealing strip.
Preferably, the blade surface is equipped with magnesium oxide coating film.
Preferably, the valve body is equipped with copper sheathing, and the blade is equipped with sharf, and the sharf is arranged in copper sheathing.
Preferably, the sharf is equipped with Packing spring with valve body junction.
Preferably, dead-weight fire resisting damper further includes second spring, the blade being connected with the small end and described second
Spring one end connects, and the second spring other end is connected with the valve body.
Compared with prior art, the beneficial effects of the utility model are：
1st, a kind of dead-weight fire resisting damper provided by the utility model, including valve body, be arranged on valve body flange, be arranged on
Blade, fuse sheet, connecting rod and spring in valve body, blade are closed downwards under gravity and spring effect, it is not necessary to are passed through
Electric signal transmission, prevents circuit abnormality or aging from causing fire resisting damper to be failure to actuate, so as to not have the effect every cigarette back-fire relief；In addition,
A kind of dead-weight fire resisting damper provided by the utility model, simple in structure, performance is stablized, highly reliable.
Brief description of the drawings
Fig. 1 is the structure diagram of the dead-weight fire resisting damper in the utility model embodiment；
Fig. 2 is the side structure schematic diagram of the dead-weight fire resisting damper in the utility model embodiment；
Fig. 3 is one of partial schematic diagram of dead-weight fire resisting damper in the utility model embodiment；
Fig. 4 is the two of the partial schematic diagram of the dead-weight fire resisting damper in the utility model embodiment；
Fig. 5 is the side structure schematic diagram of the dead-weight fire resisting damper in another embodiment of the utility model.
Embodiment
It is new to this practicality below in conjunction with attached drawing to make the purpose of this utility model, technical solution and advantage clearer
Type is described in further detail.
Embodiment one
As depicted in figs. 1 and 2, present embodiments provide a kind of dead-weight fire resisting damper, including valve body 1, be arranged on valve body 1
Flange 2, the blade 3, fuse sheet 4, connecting rod 5 and the spring 6 that are arranged in valve body 1, the connecting rod 5 be connected to two blades 3 it
Between, wherein, 5 upper end of connecting rod is connected by the fuse sheet 4 with the blade 3, the blade being connected with 5 lower end of connecting rod
3 are connected with described 6 one end of spring, and 6 other end of spring is connected with the valve body 1.
Specifically, as shown in figure 3, blade 3 is equipped with sealing strip 31, when blade is closed downwards, blade and blade are strengthened
Between seal, make more preferable every cigarette back-fire relief effect.In addition, the blade surface is equipped with magnesium oxide coating film, magnesium oxide coating
Film high temperature resistant, avoids blade from being deformed in high temperature.
Specifically, as shown in figure 4, blade 3 is equipped with sharf 32, valve body 1 is equipped with copper sheathing 11, and the sharf 32 is arranged in
Copper sheathing 11.In addition, sharf 32 is equipped with Packing spring 33 with 1 junction of valve body, the seal between blade and valve body is strengthened,
Make more preferable every cigarette back-fire relief effect.
The course of work of the present embodiment：When the temperature in pipeline exceedes the fusion temperature of fuse sheet, fuse sheet fusing, institute
State small end to disconnect with the blade, blade is closed downwards under the effect of gravity；The leaf being connected with the connecting rod lower end
Piece is closed downwards under the action of the spring, is played the role of every cigarette back-fire relief.
Embodiment two
A kind of dead-weight fire resisting damper provided in this embodiment, its with above-described embodiment one difference lies in：As shown in figure 5,
Dead-weight fire resisting damper further includes second spring 7, connects with the blade 3 that 5 upper end of connecting rod is connected and described second spring one end 7
Connect, 7 other end of second spring is connected with the valve body 1.
The course of work of the present embodiment：When the temperature in pipeline exceedes the fusion temperature of fuse sheet, fuse sheet fusing, institute
State small end to disconnect with the blade, blade is closed downwards under the action of gravity and second spring；With it is described
The blade of connecting rod lower end connection is closed downwards under the action of the spring, is played the role of every cigarette back-fire relief.
Compared with prior art, the beneficial effects of the utility model are：
1st, a kind of dead-weight fire resisting damper provided by the utility model, including valve body, be arranged on valve body flange, be arranged on
Blade, fuse sheet, connecting rod and spring in valve body, blade are closed downwards under gravity and spring effect, it is not necessary to are passed through
Electric signal transmission, prevents circuit abnormality or aging from causing fire resisting damper to be failure to actuate, so as to not have the effect every cigarette back-fire relief；In addition,
A kind of dead-weight fire resisting damper provided by the utility model, simple in structure, performance is stablized, highly reliable.
The above is the preferred embodiment of the utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the scope of protection of the utility model.
Claims (6)
1. a kind of dead-weight fire resisting damper, including valve body, be arranged on valve body flange, be arranged in valve body blade, fuse sheet,
Connecting rod and spring, the connecting rod are connected between two blades, wherein, the small end passes through the fuse sheet and the leaf
Piece connects, and the blade being connected with the connecting rod lower end is connected with the spring one end, and the spring other end connects with the valve body
Connect.
2. dead-weight fire resisting damper according to claim 1, it is characterised in that the blade is equipped with sealing strip.
3. dead-weight fire resisting damper according to claim 1, it is characterised in that the blade surface is equipped with magnesium oxide coating
Film.
4. dead-weight fire resisting damper according to claim 1, it is characterised in that the valve body is equipped with copper sheathing, and the blade is set
There is sharf, the sharf is arranged in copper sheathing.
5. dead-weight fire resisting damper according to claim 4, it is characterised in that the sharf is equipped with close with valve body junction
Seal spring.
6. dead-weight fire resisting damper according to claim 1, it is characterised in that dead-weight fire resisting damper further includes second spring,
It is connected with the blade that the small end is connected with described second spring one end, the second spring other end connects with the valve body
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720918202.3U CN207229856U (en) | 2017-07-27 | 2017-07-27 | A kind of dead-weight fire resisting damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720918202.3U CN207229856U (en) | 2017-07-27 | 2017-07-27 | A kind of dead-weight fire resisting damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207229856U true CN207229856U (en) | 2018-04-13 |
Family
ID=61855930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720918202.3U Active CN207229856U (en) | 2017-07-27 | 2017-07-27 | A kind of dead-weight fire resisting damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207229856U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751425A (en) * | 2019-03-19 | 2019-05-14 | 郑荣俊 | A kind of smoke-exhaust fire valve actuating mechanism and smoke exhaust fire damper |
-
2017
- 2017-07-27 CN CN201720918202.3U patent/CN207229856U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751425A (en) * | 2019-03-19 | 2019-05-14 | 郑荣俊 | A kind of smoke-exhaust fire valve actuating mechanism and smoke exhaust fire damper |
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