CN208011004U - A kind of fire resisting damper - Google Patents
A kind of fire resisting damper Download PDFInfo
- Publication number
- CN208011004U CN208011004U CN201820383530.2U CN201820383530U CN208011004U CN 208011004 U CN208011004 U CN 208011004U CN 201820383530 U CN201820383530 U CN 201820383530U CN 208011004 U CN208011004 U CN 208011004U
- Authority
- CN
- China
- Prior art keywords
- slideway
- primary blades
- valve
- fire resisting
- fixing bracket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 238000009413 insulation Methods 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 abstract description 3
- 244000309464 bull Species 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Lift Valve (AREA)
- Air-Flow Control Members (AREA)
Abstract
The utility model discloses a kind of fire resisting damper, including circular valve shell and the blade set on valve housing centre, blade includes primary blades, the first lateral lobe piece and the second side blade, and valve housing centre is equipped with along the symmetrical slideway portion of circle core shaft.Primary blades rotation is driven by control mechanism, to the variation of angle between the first lateral lobe piece of realization, the second side blade and primary blades, realizes the open and close of valve body internal channel, achievees the effect that close or open pipeline；In addition valve interior wall is equipped with round strip, increases the effect of sealing, reaches the optimization of fire insulation.Fire resisting damper is equipped with manual and electric model, opens manually, electric or hand closing function.
Description
Technical field
The utility model is related to fire resisting damper, specially a kind of fire resisting damper of ventilation shaft.
Background technology
Fire prevention measure of the building fire protection as building, should take precautions against fire in architectural design, to prevent fire
Harm with reduction fire to lives and properties.Two aspects of measure when building fire protection includes prevention and the fire before fire, it is preceding
Person predominantly determines fire resistance rating and fire-proof construction, control quantity of flammable substances and separate fire location etc.；The latter predominantly carries out
Means of escape and smoke evacuation, fire-extinguishing apparatus etc. is arranged in fire compartment.
Fire resisting damper is typically mounted in passage of central air conditioner system or mechanical smoke extraction system, after temperature sets up set temperature
It closes, hinders airflow, play the role of that the intensity of a fire is hindered further to spread.But existing fireproof valve blade rotation or closure
There are certain intervals with valve body itself in the process, cause sealing performance insufficient, fire insulation efficiency is general or falls flat.
Utility model content
The purpose of this utility model is that in view of the above-mentioned problems, overcome the shortage of prior art, a kind of fire resisting damper is disclosed, one
On the other hand aspect adjustable gate, which is closed degree, can effectively improve the seal of valve closure, reach better fire insulation effect,
Service life is permanent, and when installation can arbitrarily convert valve body angle, when being connect with remaining equipment can shadow connect or it is soft connect, not will produce with
The problem of all parts bump against in the equipment of air duct, in addition valve body open and close are more flexible, light.
To achieve the above object, the utility model uses following technical scheme：
A kind of fire resisting damper, including circular valve shell and the blade set on valve housing centre, the blade include master
Blade, the first lateral lobe piece and the second side blade, the valve housing centre are equipped with along the symmetrical slideway portion of circle core shaft, institute
It includes slideway fixing bracket and first slideway and second slideway vertical with slideway fixing bracket, first lateral lobe to state slideway portion
Piece, primary blades and the second side blade are sequentially connected by connecting shaft, and the first lateral lobe piece is by being set to the first slideway both sides
Bearing in groove is flexibly connected with the first slideway, and the second side blade passes through the bearing in the second slideway grooves on two sides
It is flexibly connected with the second slideway.
Preferably, slideway fixing bracket both ends are connected with valve housing inner wall, and first slideway is inverted L-shaped and institute
State the first slideway entirety and slideway fixing bracket in vertical state, second slideway is inverted L-shaped and second slideway is whole
In vertical state with slideway fixing bracket.
Preferably, it is equipped with spring between the primary blades side and slideway fixing bracket and opposite side fixes branch with slideway
Spring is equipped between frame.
Preferably, the primary blades lower end is equipped with primary blades shaft, and primary blades shaft side is connected with control mechanism
And the other side is externally provided with spring in valve body, the control mechanism is equipped with bull stick.
Preferably, the first lateral lobe piece and the second side blade moved to primary blades direction in valve body closed state until
It is bonded with primary blades, the primary blades, the first lateral lobe piece and the second side blade covering of the fan outer diameter and valve in valve closed state
The internal diameter of housing section is adapted to.
Preferably, the valve housing inner wall is surrounded by round strip.
The beneficial effects of the utility model are：The blade construction that the utility model obtains fire resisting damper includes primary blades, the first side
Blade and the second side blade drive primary blades rotation, to realize the first lateral lobe piece, the second side blade and master by control mechanism
The open and close of valve body internal channel are realized in the variation of angle between blade, achieve the effect that close or open pipeline；In addition valve
Internal wall is equipped with round strip, and round strip overlaps with blade, increases the effect of sealing, reach the optimization of fire insulation.Fire resisting damper
Equipped with manual and electric model, open manually, electric or hand closing function.
Description of the drawings
Fig. 1 is the closed state left side structural schematic diagram of the utility model.
Fig. 2 is the closed state right side structural schematic diagram of the utility model.
Fig. 3 is the semi-open status architecture schematic diagram of the utility model.
Fig. 4 is the fully open state structural schematic diagram of the utility model.
Fig. 5 is the bearing arrangement schematic diagram of the utility model.
Specific implementation mode
The utility model will be further described below with reference to the accompanying drawings.
It please refers to Fig.1 a kind of-fire resisting damper shown in fig. 5, including circular valve shell 1 and is set to 1 centre of valve housing
Blade, the blade includes primary blades 5, the first lateral lobe piece 6 and the second side blade 7, and 1 centre of the valve housing is equipped with edge
The symmetrical slideway portion of circle core shaft, the slideway portion include slideway fixing bracket 2 and vertical with slideway fixing bracket 2 first
Slideway 3 and the second slideway 4, the first lateral lobe piece 6, primary blades 5 and the second side blade 7 are sequentially connected by connecting shaft 8, institute
It states the first lateral lobe piece 6 to be flexibly connected with the first slideway 3 by the bearing 9 in 3 grooves on two sides of the first slideway, the second side
Blade 7 is flexibly connected by the bearing 9 in 4 grooves on two sides of the second slideway with the second slideway 4.2 both ends of slideway fixing bracket
It is connected with 1 inner wall of valve housing, first slideway 3 is inverted L-shaped and first slideway, 3 entirety is in slideway fixing bracket 2
Plumbness, second slideway 4 be inverted L-shaped and second slideway 4 it is whole with slideway fixing bracket 2 in vertical state.It is main
It is equipped between spring 11 and opposite side and slideway fixing bracket 2 between 5 side of blade and slideway fixing bracket 2 and is equipped with spring
11.5 lower end of primary blades is equipped with primary blades shaft, and primary blades shaft side is connected with control mechanism 12 and the other side is in valve
Shell 1 is externally provided with spring 11, plays the role of power-assisted when closing valve for primary blades 5.Control mechanism 12 is equipped with bull stick 10.First
Lateral lobe piece 6 and the second side blade 7 are moved to 5 direction of primary blades in valve body closed state until being bonded with primary blades 5, the master
Blade 5, the first lateral lobe piece 6 and the second side blade 7 covering of the fan outer diameter and the internal diameter in 1 section of valve housing in valve closed state are suitable
Match.1 inner wall of valve housing is surrounded by round strip.
Embodiment 1：
Fire resisting damper is divided into the temperature of 280 degree and 70 degree, is usually normally open, is melted when fire reaches set temperature threshold value
Disconnected valve is automatically closed while exporting shutdown signal, as shown in Figures 1 and 2,10 turns of the bull stick of control mechanism 12 to interlock device
It is dynamic, drive primary blades 5 to be rotated clockwise to vertical with the inner wall of valve housing 1, the first lateral lobe piece 6 being connect with primary blades 5 is logical
Cross bearing 9 along the first slideway 3 from 1 circle centre position of valve housing to 1 inner wall of valve housing at move, second connect with primary blades 5
Lateral lobe piece 7 by bearing 9 along the second slideway 4 from 1 circle centre position of valve housing to 1 inner wall of valve housing at move, on the other hand set
Elastic deformation occurs for the spring 11 between slideway fixing bracket 2 and primary blades 5, and primary blades 5 is pulled gradually to be unfolded to constitute circle
Covering of the fan, and be bonded with the section of valve housing 1, play the role of power-assisted to primary blades 5, realizes the effect for closing valve.
When fire behavior all clear, fire resisting damper is gradually opened, as shown in Figures 3 and 4,10 turns of the bull stick of control mechanism 12
It is dynamic, it drives primary blades 5 to rotate counterclockwise to and drives the first lateral lobe piece 6 and the with 2 parastate of slideway fixing bracket, primary blades 5
Two lateral lobe pieces 7 are moved to 5 direction of primary blades, until the first lateral lobe piece 6 is bonded with primary blades 5, the second side blade 7 and primary blades 5
Fitting, realizes the unlatching of valve.In addition after fire resisting damper is opened in place between 5 and first lateral lobe piece 6 of primary blades, the second side blade 7
There are certain angles, are not horizontal plane states.
Embodiment 2：
Compared with Example 1, the slideway fixing bracket 2 in embodiment 2 and it is not provided with spring 11 between primary blades 5, controls
The bull stick 10 of mechanism 12 rotates, and drives primary blades 5 to be rotated clockwise to vertical with the inner wall of valve housing 1, is connect with primary blades 5
The first lateral lobe piece 6 by bearing 9 along the first slideway 3 from 1 circle centre position of valve housing to 1 inner wall of valve housing at move, with master
Blade 5 connect the second side blade 7 by bearing 9 along the second slideway 4 from 1 circle centre position of valve housing to 1 inner wall of valve housing at
Movement, primary blades 5 are gradually unfolded to constitute round covering of the fan, and are bonded with the section of valve housing 1, play power-assisted to primary blades 5 and make
With the effect of valve is closed in realization.
The blade construction of the fire resisting damper of the utility model includes primary blades 5, the first lateral lobe piece 6 and the second side blade 7, is passed through
Control mechanism 12 drives primary blades 5 to rotate, to angle between the first lateral lobe piece 6 of realization, the second side blade 7 and primary blades 5
The open and close of valve body internal channel are realized in variation, achieve the effect that close or open pipeline；In addition valve interior wall is equipped with circle
Strip increases the effect of sealing, reaches the optimization of fire insulation.Fire resisting damper be equipped with manually and electric model, manually open, it is electronic or
Function is turned off manually.
Above-described embodiment, the only preferred embodiment of the utility model are not used for limiting the utility model practical range,
Therefore all equivalence changes done with content described in the utility model claims, the utility model claims model should all be included in
Within enclosing.
Claims (6)
1. a kind of fire resisting damper, which is characterized in that the blade including circular valve shell and set on valve housing centre, the leaf
Piece includes primary blades, the first lateral lobe piece and the second side blade, and the valve housing centre is equipped with symmetrical along circle core shaft
Slideway portion, the slideway portion include slideway fixing bracket and first slideway and second slideway vertical with slideway fixing bracket, institute
It states the first lateral lobe piece, primary blades and the second side blade and is sequentially connected by connecting shaft, the first lateral lobe piece is by being set to the
Bearing in one slideway grooves on two sides is flexibly connected with the first slideway, and the second side blade is recessed by being set to the second slideway both sides
Bearing in slot is flexibly connected with the second slideway.
2. a kind of fire resisting damper according to claim 1, which is characterized in that slideway fixing bracket both ends and valve housing
Inner wall is connected, first slideway be inverted L-shaped and first slideway it is whole with slideway fixing bracket in vertical state, described the
Two slideways be inverted L-shaped and second slideway it is whole with slideway fixing bracket in vertical state.
3. a kind of fire resisting damper according to claim 1, which is characterized in that the primary blades side and slideway fixing bracket it
Between be equipped between spring and opposite side and slideway fixing bracket be equipped with spring.
4. a kind of fire resisting damper according to claim 1, which is characterized in that the primary blades lower end is equipped with primary blades shaft,
Primary blades shaft side is connected with control mechanism and the other side is externally provided with spring in valve body, and the control mechanism, which is equipped with, to be turned
Bar.
5. a kind of fire resisting damper according to claim 1, which is characterized in that the first lateral lobe piece and the second side blade are in valve
It is moved to primary blades direction until being bonded with primary blades, the primary blades, the first lateral lobe piece and the second lateral lobe when body closed state
Piece covering of the fan outer diameter in valve closed state is adapted to the internal diameter in valve housing section.
6. a kind of fire resisting damper according to claim 1, which is characterized in that the valve housing inner wall is surrounded by circular strip
Steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820383530.2U CN208011004U (en) | 2018-03-21 | 2018-03-21 | A kind of fire resisting damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820383530.2U CN208011004U (en) | 2018-03-21 | 2018-03-21 | A kind of fire resisting damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208011004U true CN208011004U (en) | 2018-10-26 |
Family
ID=63890120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820383530.2U Expired - Fee Related CN208011004U (en) | 2018-03-21 | 2018-03-21 | A kind of fire resisting damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208011004U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443547A (en) * | 2018-03-21 | 2018-08-24 | 吉林省天龙机电设备有限公司 | A kind of fire resisting damper |
-
2018
- 2018-03-21 CN CN201820383530.2U patent/CN208011004U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443547A (en) * | 2018-03-21 | 2018-08-24 | 吉林省天龙机电设备有限公司 | A kind of fire resisting damper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181026 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |