CN206874839U - A kind of fire resisting damper - Google Patents
A kind of fire resisting damper Download PDFInfo
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- CN206874839U CN206874839U CN201720635671.4U CN201720635671U CN206874839U CN 206874839 U CN206874839 U CN 206874839U CN 201720635671 U CN201720635671 U CN 201720635671U CN 206874839 U CN206874839 U CN 206874839U
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- rotating shaft
- blade
- valve body
- fire resisting
- resisting damper
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Abstract
It the utility model is related to ventilation shaft fire resisting damper technical field, there is provided a kind of fire resisting damper, under using same material, the fire resisting damper with good sealing property and non-deformability is made with relatively low cost, reaches qualified fire-proof smoke insulation effect.Including valve body, blade mechanism and temperature control executing agency on valve body, also include closing mechanism, the mechanism that closes includes being located at the arm-tie of rotating shaft one end, the pull hook being fixedly arranged on the valve body under arm-tie, connects the extension spring of arm-tie and pull hook, in addition to is sheathed on the slot holder of an end of blade and shaft parallel, be provided with inserted sheet in slot holder, the inserted sheet is the stainless sheet steel with 0 30 ° of bending angle.
Description
Technical field
It the utility model is related to ventilation shaft fire resisting damper technical field, specially a kind of fire resisting damper.
Background technology
Fire resisting damper is installed on the pipeline of ventilation, the air blow and return of air-conditioning system or mechanical smoke extraction system.It is in usually opening state
State, closed when gas in pipelines temperature reaches 70 DEG C or 280 DEG C during fire, can meet to leak smoke and resistance within a certain period of time
Fiery integrity demands, play a part of every cigarette back-fire relief.In general, fire resisting damper include valve body, exhaust gases passes, flue gas are provided with valve body
Blade mechanism is provided with passage, blade mechanism includes the more blades being set up in parallel, is installed on by rotating shaft in passage, and pass through
Heat detector and actuator control axis of rotation, are additionally included in the sealing baffle of passage upper and lower ends face, jointly reach blade opening and closing
To sealing effectiveness；Blade is typically a sheet metal in the prior art, processing and heated the problem of being also easy to produce thermal deformation be present, so as to
Sealing is influenceed, causes to go wrong every cigarette flameproof effect, is had to solve problem on deformation using more high temperature resistant and easy processing
Material manufacture, but cost significantly improves, is unfavorable for commonly used, how to keep improving the sealing property of fire resisting damper under lower cost
It is a problem.
Utility model content
The purpose of this utility model is to provide a kind of fire resisting damper, under using same material, with relatively low cost system
Into the fire resisting damper with good sealing property and non-deformability, reach qualified fire-proof smoke insulation effect.
To achieve the above object, the utility model provides following technical scheme：A kind of fire resisting damper, including valve body, located at valve
Blade mechanism and temperature control executing agency on body, blade mechanism include a plurality of rotating shafts on valve body and corresponding blade,
Blade is fixedly provided with connector, in addition to connecting rod, the connector by being fixed on without presser cut in rotating shaft after each rotating shaft
It is articulated with connecting rod, active rotating shaft makes connecting rod drive all rotating shaft synchronous operations when rotating, temperature control executing agency includes temperature
Sensor and actuator, actuator is connected with any rotating shaft, in addition to closes mechanism, and the mechanism that closes includes being located at rotating shaft one end
The arm-tie in portion, the pull hook being fixedly arranged on the valve body under arm-tie connect the extension spring of arm-tie and pull hook, in addition to are sheathed on blade with turning
The slot holder of a parallel end of axle, is provided with inserted sheet in slot holder, and the inserted sheet is the stainless steel with 0-30 ° of bending angle
Thin plate or high temperature resistant silicon film, slot, which is applied not only to installation inserted sheet, can also reduce the deflection of blade at high temperature,
When heat detector, which actuates actuator, to be started, axis of rotation rotates all blade synchronizations, and end and the end of blade are contradicted each other
Closure is formed, and in the presence of extension spring, not only closing speed is fast, blade is produced pressure to inserted sheet, promotes inserted sheet and leaf
Sealing between piece is stronger.
Further, the rotating shaft is to be installed on by fixed mechanism on valve body, and the fixed mechanism includes being fixed on valve
Support on body, rotating shaft are arranged on support, and copper sheathing is provided between the support and rotating shaft, is also set between the support and blade
Flexible tabletting.Elastic pressuring plate applies active force to copper sheathing, promotes copper sheathing to be closely pressed on support, improves the close of rotating shaft junction
Feng Xing.
Further, the blade is additionally provided with rib on the position of horizontal end, and rib is stamped and formed out
Groove, the intensity of blade steel plate can be improved, is unlikely to deform it.
Further, the upper and lower side of the valve body is respectively equipped with plate washer, and one of plate washer is provided with slot holder and inserted sheet.
Compared with prior art, the beneficial effects of the utility model are：Normality lower blade, which is opened, is presented parastate, works as temperature
Sensor is inspired by high temperature, and actuator instruction rotating shaft running band movable vane piece is closed, fast between blade and blade in the presence of extension spring
Speed closes and producing oppressive force makes the holding of blade and inserted sheet planar close, and blocks the transmission of pyrotechnics, and the copper sheathing in rotating shaft
Also reduce in the presence of elastic pressuring plate the saturating smoke of the junction, the sealing of whole fire resisting damper is improved with this；This practicality
New fire resisting damper equally uses galvanized steel plain sheet and stainless steel material, the energy in the case where processing cost without obvious increase
The airtight performance between blade is improved, makes it have preferable non-deformability is general to keep qualified leakage smoke at high temperature, reaches
To the purpose of fire-proof smoke insulation.
Brief description of the drawings
Fig. 1 is the front view of the utility model embodiment；
Fig. 2 is sectional view at the A-A in Fig. 1；
Fig. 3 is sectional view at the B-B in Fig. 1；
Fig. 4 is enlarged drawing at the F in Fig. 2；
Fig. 5 is enlarged drawing at the C in Fig. 3；.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Referring to Fig. 1, a kind of fire resisting damper, including valve body 10, blade mechanism 20 and temperature control on valve body 10 perform machine
Structure 30, blade mechanism 20 include a plurality of rotating shafts 21 on valve body and corresponding blade 22, and blade 22 is by without presser cut
23 are fixed in rotating shaft 21, and connector 24, in addition to connecting rod 25 are fixedly provided with after each rotating shaft, and the connector 24 is articulated with
In connecting rod 25, the blade 22 is additionally provided with the groove 26 being stamped and formed out, temperature control executing agency on the position of horizontal end
30 include heat detector 31 and actuator 32, and actuator 32 is connected with any rotating shaft 21, in addition to closes mechanism, described to close mechanism
Including the arm-tie 41 located at the one end of rotating shaft 21, the pull hook 42 being fixedly arranged on the valve body under arm-tie 41, arm-tie 41 and pull hook are connected
42 extension spring 43, in addition to the slot holder 44 of an end of blade and shaft parallel is sheathed on, it is provided with inserted sheet in slot holder 44
45, the inserted sheet 45 is the stainless sheet steel with 15 ° of bending angle；The rotating shaft 21 is to be installed on valve by fixed mechanism 50
On body 10, the fixed mechanism 50 includes the support 51 being fixed on valve body, and rotating shaft 21 is arranged on support 51, the support 51
Copper sheathing 52 is provided between rotating shaft 21, elastic pressuring plate 53 is additionally provided between the support 51 and blade 22.The valve body 10 leads to
The upper and lower side in air channel is respectively equipped with plate washer 11, and one of plate washer is provided with slot holder 44 and inserted sheet 45, with the blade on valve body
22 collectively form closing connection.
Normality lower blade, which is opened, is presented parastate, during work, when heat detector is inspired by high temperature, and actuator instruction rotating shaft fortune
Make band movable vane piece to close, quick-make and produce oppressive force in the presence of extension spring, between blade and blade and make blade and inserted sheet
Holding is planar closed, and blocks the transmission of pyrotechnics, and the copper sheathing in rotating shaft also makes the junction in the presence of elastic pressuring plate
Saturating smoke reduce, the sealing of whole fire resisting damper is improved with this；Slot, which is applied not only to installation inserted sheet, can also make blade in high temperature
Under deflection reduce.
The steel plates such as the valve body of embodiment, blade, connector use galvanized steel plain sheet, inserted sheet and elastic pressuring plate using 304 not
Become rusty steel plate.The airtight performance between blade can be improved in the case where processing cost without obvious increase, makes it in high temperature
There is down the general purpose for keeping qualified leakage smoke, reaching fire-proof smoke insulation of preferable non-deformability.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model 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, blade mechanism and temperature control executing agency on valve body, blade mechanism include plural number
Individual rotating shaft and corresponding blade, blade on valve body is also fixed after each rotating shaft by being fixed on without presser cut in rotating shaft
There are connector, in addition to connecting rod, the connector is articulated with connecting rod, and temperature control executing agency includes heat detector and execution
Device, actuator are connected with any rotating shaft, it is characterised in that：Also include closing mechanism, the mechanism that closes includes being located at rotating shaft one
The arm-tie of end, the pull hook being fixedly arranged on the valve body under arm-tie, connect the extension spring of arm-tie and pull hook, include being sheathed on blade and
The slot holder of one end of shaft parallel, is provided with inserted sheet in slot holder, and the inserted sheet is stainless with 0-30 ° of bending angle
Steel sheet.
2. fire resisting damper according to claim 1, it is characterised in that：The inserted sheet is high temperature resistant silicon film.
3. fire resisting damper according to claim 1, it is characterised in that：The rotating shaft is to be installed on valve body by fixed mechanism
On, the fixed mechanism includes the support being fixed on valve body, and rotating shaft is arranged on support, is provided between the support and rotating shaft
Copper sheathing, elastic pressuring plate is additionally provided between the support and blade.
4. fire resisting damper according to claim 1, it is characterised in that：Edge is additionally provided between the blade upper and lower end parts and rotating shaft
The rib of rotating shaft axial direction.
5. fire resisting damper according to claim 1, it is characterised in that：The upper and lower side of the valve body is respectively equipped with plate washer, wherein
One plate washer is provided with slot holder and inserted sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720635671.4U CN206874839U (en) | 2017-06-03 | 2017-06-03 | A kind of fire resisting damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720635671.4U CN206874839U (en) | 2017-06-03 | 2017-06-03 | A kind of fire resisting damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206874839U true CN206874839U (en) | 2018-01-12 |
Family
ID=61338091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720635671.4U Active CN206874839U (en) | 2017-06-03 | 2017-06-03 | A kind of fire resisting damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206874839U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113290109A (en) * | 2021-05-25 | 2021-08-24 | 江苏华洋新思路能源装备股份有限公司 | Pressing process of fireproof valve blade |
-
2017
- 2017-06-03 CN CN201720635671.4U patent/CN206874839U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113290109A (en) * | 2021-05-25 | 2021-08-24 | 江苏华洋新思路能源装备股份有限公司 | Pressing process of fireproof valve blade |
| CN113290109B (en) * | 2021-05-25 | 2024-04-16 | 江苏华洋新思路能源装备股份有限公司 | Pressing process of fireproof valve blade |
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