CN206522085U - A kind of window firebreak device - Google Patents
A kind of window firebreak device Download PDFInfo
- Publication number
- CN206522085U CN206522085U CN201720031031.2U CN201720031031U CN206522085U CN 206522085 U CN206522085 U CN 206522085U CN 201720031031 U CN201720031031 U CN 201720031031U CN 206522085 U CN206522085 U CN 206522085U
- Authority
- CN
- China
- Prior art keywords
- fire
- guide rail
- fire resisting
- hot melt
- window
- 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
- 239000012943 hotmelt Substances 0.000 claims abstract description 36
- 239000003973 paint Substances 0.000 claims abstract description 17
- 238000002955 isolation Methods 0.000 claims abstract description 15
- 238000005485 electric heating Methods 0.000 claims abstract description 12
- 239000012528 membrane Substances 0.000 claims abstract description 10
- 230000002265 prevention Effects 0.000 claims abstract description 4
- 238000004804 winding Methods 0.000 claims abstract description 3
- 239000000126 substance Substances 0.000 claims description 12
- 238000002788 crimping Methods 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 230000005294 ferromagnetic effect Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 239000000779 smoke Substances 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009970 fire resistant effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Special Wing (AREA)
Abstract
The utility model discloses a kind of window firebreak device, belongs to floor gap fire equipment technical field and is characterized in that：Including roller shutter frame body, fire resisting shutter and guide rail, the fire resisting shutter inner opposite end is fixedly connected with rotary shaft, the end face of the fire resisting shutter lateral ends is provided with weight, the roller shutter frame body upper end is provided with hanger, the roller shutter frame body both sides connect guide rail, through hole is provided with the guide rail, winding is provided with hot melt rope on the fire resisting shutter, the hot melt is restricted through and is fixed on hanger and through hole, electric heating piece is provided with the inside of the hanger, the tow sides of the side of fire resisting shutter two are provided with expanding fire-proof paint one, the guide rail lateral surface sets and is provided with dustproof membrane on fluted and groove.Reasonable in design, automatic fire prevention, isolation air, isolation dense smoke and the high purpose of the low disguise of cost are reached.
Description
Technical field
The utility model is related to floor gap fire equipment technical field, specially a kind of window firebreak device.
Background technology
With increasing for domestic floor and factory building, fire-fighting work pressure is increasing, home dwelling and factory floor it is anti-
Fiery then seem more important, electric in the aging circuit and kitchen in wall in home dwelling and factory floor, combustion gas is oily
Leakage part is to cause leading cause of fire, careless slightly, will bring injury.
Current all kinds of fire resistant doorsets play the key effect for delaying fire spreading in actual fire, but occur across floor
Extensive fire in, it is inadequate to rely solely on fire resistant doorsets, and dense smoke and flare can be crept up by window, also inside by window
Spread.
To solve the above problems, thus the utility model produces, by the inside of the main body frame of window or side set up anti-
The roller shutter of fire, automatic fire prevention, isolation air, the purpose for isolating dense smoke are realized using hot melt rope and expanding fire-proof paint.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model be to provide for a kind of reasonable in design, from
Dynamic fire prevention, isolation air, isolation dense smoke and the high window firebreak device of the low disguise of cost, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the utility model provides following technical scheme to realize：
A kind of window firebreak device, it is characterised in that：Including roller shutter frame body, fire resisting shutter and guide rail, the Film rolling up frame
It is provided at both ends with the inside of main body in the middle of rolling bearing units, the rolling bearing units and is connected with rotary shaft, is provided with the rotary shaft anti-
Fiery roller shutter, the fire resisting shutter inner opposite end is fixedly connected with rotary shaft, and the end face of the fire resisting shutter lateral ends is provided with
Weight, the roller shutter frame body upper end is provided with hanger, and the roller shutter frame body both sides are connected to be provided with guide rail, the guide rail
Winding is provided with hot melt rope on through hole, the fire resisting shutter, and the hot melt is restricted through and is fixed on hanger and through hole, described to hang
Electric heating piece is provided with the inside of ear, the electric heating piece sets live wire and electric wire is connected with switch, the side of fire resisting shutter two
Tow sides are provided with expanding fire-proof paint one, and the guide rail is to be provided with expanding fire-proof paint on the inside of groove profile and guide rail
Two, the guide rail lateral surface sets and is provided with dustproof membrane on fluted and groove.
By using above-mentioned technical proposal：Fire resisting shutter is fixed on roller shutter frame body using hot melt rope, hanger and through hole
On, when there is the condition of a fire, flame is blown after hot melt rope, and using weight, fire resisting shutter is moved downward rapidly along guide rail, electric heating piece
Set to blow to heat to restrict using switch and manually put down fire resisting shutter to realize, expanding fire-proof paint one and intumescent are anti-
Fiery coating two is to block whole guide rail to expand after heated, prevents the flowing of air and dense smoke, and dustproof membrane is to prevent
Guide rail, which is chronically exposed to outdoor, causes guide rail to block, and the setting of groove is, for more preferable fixed dustproof membrane, to extend dustproof membrane
The fixed life-span.
As preferred：Use and be connected in series between each described electric heating piece.
As preferred：The roller shutter frame body upper end is provided with storage box, to store fireproof agent or extinguishing chemical, the storage
Bottom portion is provided with reinforcing plate, and the reinforcing plate is connected with hanger.
By using above-mentioned technical proposal：The setting of storage box can place fireproof agent or extinguishing chemical, occur concrete on fire
Extinguishing chemical and fireproof agent can further extend fire resisting shutter fire-resistance fireproof ability, and the setting of reinforcing plate can ensure that hanger is consolidated
Fixed intensity, is prevented because hanger stress drops, and causes stuck to lead to not fall fire resisting shutter.
As preferred：Both sides are provided with the isolation layer of softness, the isolation layer that the both sides are oppositely arranged on the inside of the guide rail
Between gap be more than fire resisting shutter thickness.
By using above-mentioned technical proposal：The setting of isolation layer can further reduce the air flow in guide rail, it is ensured that
The ability of the isolation air of whole firebreak device.
As preferred：The weight is ferromagnetic substance, and the guide rail bottom is connected with track, the track and is provided with
Linear groove, the groove bottom is provided with equidistant arrangement between some magnet, some magnet.
By using above-mentioned technical proposal：After the combination of ferromagnetic substance and track upper magnet ensures that fire resisting shutter is fallen,
Bottom can enter in groove, prevent rocking for fire resisting shutter bottom.
As preferred：Some rotary shafts, the installation position of some rotary shafts are provided with the roller shutter frame body
There is difference in height between putting, the fire resisting shutter is wrapped on the outside of rotary shaft and the weight end of fire resisting shutter is arranged on the rotation of lower
Rotating shaft lower end, the roller shutter frame body bottom is provided with bootstrap block, and the bootstrap block is located at the both sides of weight lower end.
By using above-mentioned technical proposal：The setting of some rotary shafts can subtract while fire resisting shutter length is ensured
The thickness of small Film rolling up frame main body, the setting of bootstrap block helps to ensure that weight influence fire resisting shutter direction guiding rail motion, prevents weight
The angle of roller shutter frame body bottom is deposited in, causes fire resisting shutter not fall.
As preferred：There is overlapping portion in the horizontal plane in the expanding fire-proof paint one and expanding fire-proof paint two
Point.
By using above-mentioned technical proposal：Overlap with beneficial to the seal for ensureing whole guide rail after fire expansion is met, prevent
There is gap between expanding fire-proof paint one and expanding fire-proof paint two.
As preferred：The roller shutter frame body bottom is provided with the middle part of crimping, the crimping and is provided with support frame, the volume
Hot melt Air Filter is provided with the upside of side and support frame.
As preferred：The left and right sides is provided with two hot melt Air Filters above the crimping and support frame and two hot melts are anti-
Dirt mesh portions are overlapping, are provided with VELCRO to make two kinds of hot melt Air Filters be connected between the hot melt Air Filter, the support
Lap of the frame no more than two hot melt Air Filters.
By using above-mentioned technical proposal：Hot melt Air Filter can ensure that Film rolling up frame body interior is not in impurity, prop up
Support helps to support hot melt Air Filter, will heat Air Filter weight using VELCRO and support frame as described above is no more than two
The lap of Air Filter is heated, after fire is met, because the gravity of weight exceedes the bonding force of VELCRO, fire resisting shutter can be fast
Speed falls.
Brief description of the drawings
Fig. 1 is a kind of structural representation one of window firebreak device of the utility model；
Fig. 2 is a kind of structural representation two of window firebreak device of the utility model；
Fig. 3 is a kind of structural representation three of window firebreak device of the utility model；
Fig. 4 is a kind of structural representation four of window firebreak device of the utility model；
Fig. 5 is a kind of structural representation five of window firebreak device of the utility model；
Fig. 6 is a kind of structural representation six of window firebreak device of the utility model；
Fig. 7 is the enlarged drawing at the utility model A.
Embodiment
A kind of window firebreak device of the utility model is described further referring to figs. 1 to Fig. 7.
A kind of window firebreak device, it is characterised in that：Including roller shutter frame body 1, fire resisting shutter 13 and guide rail 2, the volume
The inner side of curtain frame main body 1, which is provided at both ends with the middle of rolling bearing units 11, the rolling bearing units 11, is connected with rotary shaft 12, the rotary shaft
Fire resisting shutter 13 is provided with 12, the inner opposite end of fire resisting shutter 13 is fixedly connected with rotary shaft 12, the fire resisting shutter 13
The end face of lateral ends is provided with weight 132, and the upper end of roller shutter frame body 1 is provided with hanger 15,1 liang of the roller shutter frame body
Side, which connects to be provided with through hole 21, the fire resisting shutter 13 to wind on guide rail 2, the guide rail 2, is provided with hot melt rope 14, the heat
Molten rope 14 is passed through and is fixed on hanger 15 and through hole 21, and the inner side of hanger 15 is provided with electric heating piece 151, the electric heating piece
151 set live wires 51 and electric wire 51 is connected with switch 5, and the tow sides of 13 liang of sides of fire resisting shutter are provided with intumescent
Fireproof coating 1, the guide rail 2 is groove profile and the inner side of guide rail 2 is provided with outside expanding fire-proof paint 2 22, the guide rail 2
Side is set is provided with dustproof membrane 25 on fluted 23 and groove 23.
By using above-mentioned technical proposal：Fire resisting shutter 13 is fixed on volume using hot melt rope 14, hanger 15 and through hole 21
In curtain frame main body 1, when there is the condition of a fire, flame is blown after hot melt rope 14, and using weight 132, fire resisting shutter 1 is rapid along guide rail 2
Move downward, the setting of electric heating piece 15 blows hot melt rope 14 using switch 5 and manually puts down fire resisting shutter 1 to realize, swollen
Swollen type fireproof coating 1 and expanding fire-proof paint 2 22 are to block whole guide rail to expand after heated, prevent air
With the flowing of dense smoke, dustproof membrane 25 is that, in order to prevent guide rail 2 is chronically exposed to outdoor from causing guide rail to block, the setting of groove 23 is
For more preferable fixed dustproof membrane 25, extend the fixation life-span of dustproof membrane 25.
Use and be connected in series between each described electric heating piece 151.The upper end of roller shutter frame body 1 is provided with storage box 4, with
Fireproof agent or extinguishing chemical are stored, the bottom of storage box 4 is provided with reinforcing plate 16, and the reinforcing plate 16 is connected with hanger 15.
By using above-mentioned technical proposal：The setting of storage box 4 can place fireproof agent or extinguishing chemical, occur concrete on fire extinguishing chemical and
Fireproof agent can further extend the fire-resistance fireproof ability of fire resisting shutter 13, and the setting of reinforcing plate 16 can ensure that hanger 15 is fixed
Intensity, prevent because the stress of hanger 15 drops, cause stuck to lead to not fall fire resisting shutter 1.
The inner side both sides of guide rail 2 are provided between the isolation layer 24 of softness, the isolation layer 24 that the both sides are oppositely arranged
Gap be more than fire resisting shutter 13 thickness.By using above-mentioned technical proposal：The setting of isolation layer 24 can be reduced further
Air flow in guide rail 1, it is ensured that the ability of the isolation air of whole firebreak device.
The weight 132 is ferromagnetic substance, and the bottom of guide rail 2, which is connected with track 3, the track 3, to be provided with directly
The groove 32 of line style, the bottom of groove 32 is provided with equidistant arrangement between some magnet 31, some magnet 31.By adopting
Use above-mentioned technical proposal：After the combination of ferromagnetic substance and the upper magnet 31 of track 3 ensures that fire resisting shutter 13 is fallen, bottom can be entered
Enter in groove 32, prevent rocking for the bottom of fire resisting shutter 13.
Be provided with some rotary shafts 12 on the roller shutter frame body 1, the installation sites of some rotary shafts 12 it
Between there is difference in height, the fire resisting shutter 13 is wrapped in the outside of rotary shaft 12 and the weight end of fire resisting shutter 13 and is arranged on lower
The lower end of rotary shaft 12, the bottom of roller shutter frame body 1 is provided with bootstrap block 17, and the bootstrap block 17 is located at the lower end of weight 132
Both sides.By using above-mentioned technical proposal：The setting of some rotary shafts 12 can be while 13 length of fire resisting shutter be ensured
Reduce the thickness of roller shutter frame body 1, the setting of bootstrap block 17 helps to ensure that the influence direction guiding rail 2 of fire resisting shutter 13 of weight 132 is transported
It is dynamic, prevent weight 132 to be deposited in the angle of the bottom of roller shutter frame body 1, cause fire resisting shutter 13 not fall.
There is lap in the horizontal plane in the expanding fire-proof paint 1 and expanding fire-proof paint 2 22.It is logical
Cross and use above-mentioned technical proposal：Overlap with beneficial to the seal for ensureing whole guide rail after fire expansion is met, prevent expansion fire-proof
There is gap between coating 1 and expanding fire-proof paint 2 22.
The bottom of roller shutter frame body 1 is provided with crimping 18, and the middle part of crimping 18 is provided with support frame 181, the volume
Side 18 and the upside of support frame 181 are provided with hot melt Air Filter 19.The top left and right sides of crimping 18 and support frame 181 is provided with
VELCRO is provided between two hot melt Air Filters 19 and two hot melt Air Filters 19 partly overlap, the hot melt Air Filter 19
191 make two kinds of hot melt Air Filters 19 be connected, lap of the support frame as described above 181 no more than two hot melt Air Filters 19.
By using above-mentioned technical proposal：Hot melt Air Filter 19 can ensure to be not in impurity, support frame inside roller shutter frame body 1
181 help to support hot melt Air Filter 19, will heat the weight of Air Filter 19 using VELCRO 191 and support frame as described above 181 is not
More than the lap of two hot melt Air Filters 19, after fire is met, because the gravity of weight 132 exceedes the bonding of VELCRO 191
Power, fire resisting shutter 13 can hurtle down.
Described above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (9)
1. a kind of window firebreak device, it is characterised in that：Including roller shutter frame body, fire resisting shutter and guide rail, the Film rolling up frame master
Internal side, which is provided at both ends with the middle of rolling bearing units, the rolling bearing units, is connected with rotary shaft, and fire prevention is provided with the rotary shaft
Roller shutter, the fire resisting shutter inner opposite end is fixedly connected with rotary shaft, and the end face of the fire resisting shutter lateral ends is provided with weight
Thing, the roller shutter frame body upper end is provided with hanger, the roller shutter frame body both sides connect be provided with guide rail, the guide rail it is logical
Winding is provided with hot melt rope on hole, the fire resisting shutter, and the hot melt is restricted through and is fixed on hanger and through hole, the hanger
Inner side is provided with electric heating piece, and the electric heating piece sets live wire and electric wire is connected with switch, and the side of fire resisting shutter two is just
Anti- two sides is provided with expanding fire-proof paint one, and the guide rail is to be provided with expanding fire-proof paint two on the inside of groove profile and guide rail,
The guide rail lateral surface sets and is provided with dustproof membrane on fluted and groove.
2. a kind of window firebreak device according to claim 1, it is characterised in that：Using series connection between the electric heating piece
Mode is connected.
3. a kind of window firebreak device according to claim 1, it is characterised in that：The roller shutter frame body upper end is provided with
Storage box, to store fireproof agent or extinguishing chemical, the storage box bottom is provided with reinforcing plate, and the reinforcing plate is connected with hanger
Connect.
4. a kind of window firebreak device according to claim 1, it is characterised in that：Both sides are provided with soft on the inside of the guide rail
Gap between soft isolation layer, the isolation layer that the both sides are oppositely arranged is more than the thickness of fire resisting shutter.
5. a kind of window firebreak device according to claim 1, it is characterised in that：The weight is ferromagnetic substance, institute
State guide rail bottom and be connected with track, the track and be provided with linear groove, the groove bottom is provided with some magnet,
Equidistant arrangement between some magnet.
6. a kind of window firebreak device according to claim 1, it is characterised in that：If being provided with the roller shutter frame body
There is difference in height between dry root rotary shaft, the installation site of some rotary shafts, the fire resisting shutter is wrapped in rotary shaft
Outside and the weight end of fire resisting shutter are arranged on the rotary shaft lower end of lower, and the roller shutter frame body bottom is provided with bootstrap block,
The bootstrap block is located at the both sides of weight lower end.
7. a kind of window firebreak device according to claim 1, it is characterised in that：The expanding fire-proof paint one and swollen
There is lap in the horizontal plane in swollen type fireproof coating two.
8. a kind of window firebreak device according to claim 1, it is characterised in that：The roller shutter frame body bottom is provided with
It is provided with the middle part of crimping, the crimping on the upside of support frame, the crimping and support frame and is provided with hot melt Air Filter.
9. a kind of window firebreak device according to claim 8, it is characterised in that：Left and right above the crimping and support frame
Both sides are provided with two hot melt Air Filters and two hot melt Air Filters partly overlap, and magic is provided between the hot melt Air Filter
Paste to make two kinds of hot melt Air Filters be connected, lap of the support frame as described above no more than two hot melt Air Filters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720031031.2U CN206522085U (en) | 2017-01-11 | 2017-01-11 | A kind of window firebreak device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720031031.2U CN206522085U (en) | 2017-01-11 | 2017-01-11 | A kind of window firebreak device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206522085U true CN206522085U (en) | 2017-09-26 |
Family
ID=59890644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720031031.2U Expired - Fee Related CN206522085U (en) | 2017-01-11 | 2017-01-11 | A kind of window firebreak device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206522085U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107943237A (en) * | 2017-12-18 | 2018-04-20 | 苏州德特尼罗电子科技有限公司 | A kind of computer cabinet with fire-proof function |
| CN108301750A (en) * | 2017-01-11 | 2018-07-20 | 楼辉义 | A kind of window firebreak device |
| CN108868517A (en) * | 2018-06-27 | 2018-11-23 | 东莞唯度电子科技服务有限公司 | A kind of high-efficiency fireproof rolling screen door |
| CN108952526A (en) * | 2018-08-21 | 2018-12-07 | 楼辉义 | A kind of door and window automatic fire prevention device |
| CN109625701A (en) * | 2019-01-27 | 2019-04-16 | 狄飞 | A kind of fire-retardant dustbin and preparation method thereof of putting out a fire |
| WO2021088103A1 (en) * | 2019-11-07 | 2021-05-14 | 楼辉义 | Smoke-blocking, fire-closing and spread-preventing smart asphyxiation fire control system |
-
2017
- 2017-01-11 CN CN201720031031.2U patent/CN206522085U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301750A (en) * | 2017-01-11 | 2018-07-20 | 楼辉义 | A kind of window firebreak device |
| CN108301750B (en) * | 2017-01-11 | 2020-11-03 | 楼辉义 | Window fire protection device |
| CN107943237A (en) * | 2017-12-18 | 2018-04-20 | 苏州德特尼罗电子科技有限公司 | A kind of computer cabinet with fire-proof function |
| CN108868517A (en) * | 2018-06-27 | 2018-11-23 | 东莞唯度电子科技服务有限公司 | A kind of high-efficiency fireproof rolling screen door |
| CN108952526A (en) * | 2018-08-21 | 2018-12-07 | 楼辉义 | A kind of door and window automatic fire prevention device |
| WO2020037694A1 (en) * | 2018-08-21 | 2020-02-27 | 楼辉义 | Automatic fireproof device for doors and windows |
| CN109625701A (en) * | 2019-01-27 | 2019-04-16 | 狄飞 | A kind of fire-retardant dustbin and preparation method thereof of putting out a fire |
| WO2021088103A1 (en) * | 2019-11-07 | 2021-05-14 | 楼辉义 | Smoke-blocking, fire-closing and spread-preventing smart asphyxiation fire control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206522085U (en) | A kind of window firebreak device | |
| CN108301750A (en) | A kind of window firebreak device | |
| CN206995637U (en) | A kind of fire exit door fire-proof smoke insulation mechanism | |
| CN205153927U (en) | Fire prevention and energy conservation glass | |
| CN207660492U (en) | A kind of fire resistant doorsets with smoke adsorption device | |
| CN103742062A (en) | Integrated box type fireproof blocking device | |
| CN210302109U (en) | Composite inorganic fireproof rolling curtain cloth | |
| CN207177673U (en) | A kind of fire resistant doorsets to cool | |
| CN206830012U (en) | A kind of dual-rail inorganic-fabric-basfireproof fireproof roller shutter door | |
| CN209398309U (en) | A kind of fire resistance rolling shutter door reliable for operation | |
| CN208899524U (en) | A kind of ventilation of underground pipe gallery and escape structure | |
| CN207988562U (en) | A kind of Fire lift floor | |
| CN206693875U (en) | A kind of fire proof sealing strip | |
| CN213391857U (en) | Rolling shutter fireproof door with reinforcing structure | |
| CN207063851U (en) | A kind of fire resistant doorsets unidirectionally divulged information | |
| CN214384115U (en) | Fire-proof rolling shutter door with side-hung fire-proof door | |
| CN214247119U (en) | Novel fire door is prevented to transformer substation in pit | |
| CN208479106U (en) | A kind of cable fire-proof seal penetration apparatus of H grades of firewall | |
| CN203640587U (en) | Integrated box type fire stopping device | |
| CN212002911U (en) | Fire door for building | |
| CN206313313U (en) | A kind of outdoor low-voltage distribution cabinet of Moistureproof dehumidification | |
| CN211313948U (en) | Fireproof door with automatic alarm function | |
| CN211851517U (en) | Prevent fire door convenient to installation | |
| CN114991369A (en) | Novel fire prevention type curtain | |
| CN204690987U (en) | Building fire protection structure |
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: 20170926 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |