CN110230459A - A kind of fire resistant doorsets - Google Patents
A kind of fire resistant doorsets Download PDFInfo
- Publication number
- CN110230459A CN110230459A CN201910525317.XA CN201910525317A CN110230459A CN 110230459 A CN110230459 A CN 110230459A CN 201910525317 A CN201910525317 A CN 201910525317A CN 110230459 A CN110230459 A CN 110230459A
- Authority
- CN
- China
- Prior art keywords
- fire
- bar
- doorframe
- rotating shaft
- picker
- 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.)
- Granted
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B2003/7057—Door leaves with little passing through doors
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Special Wing (AREA)
Abstract
The invention discloses a kind of fire resistant doorsets, including a doorframe, there is a perforative hollow cavity among doorframe, the top and bottom of hollow cavity are respectively arranged with symmetrical one group or more of first rotating shaft hole, the fire resistant flexible bar for having one or more is arranged side by side in the hollow cavity, it is sealed to each other between anti-picker bar and anti-picker bar to contact and entire hollow cavity is sealed by one or more anti-picker bar, the top and bottom of anti-picker bar, which are respectively perpendicular, is provided with a first rotating shaft, first rotating shaft rotates be incorporated in the first rotating shaft hole of hollow cavity top and bottom respectively, an escape spatia is formed between adjacent two anti-picker bars；The present invention effectively can block smog to enter escape space using a kind of completely new fire resistant doorsets in escape, and can effectively reduce the heat with survivor, and also can increase the fire prevention time of fire resistant doorsets, while also having the function of security protection.
Description
Technical field
The present invention relates to a kind of doors, and in particular to a kind of fire resistant doorsets.
Background technique
In building body, more fire-proof escaping door is set usually between safety zone and living area, these doors one
As under state when be it is normally closed, seldom open, therefore these fire resistant doorsets cannot be blocked.But these fire resistant doorsets its presence in fire
The same problem, that is when fire resistant doorsets are opened, and safety zone and fire area are conductings, have a large amount of smog in this way
It is circulated into safety zone, causes full of smoke in safety zone, be unfavorable for escaping, also can bring peace to the people smoothly to escape
Full hidden danger.Furthermore fire area ceiling etc. can fall the sundries being burned out at random, for the survivor for passing through fire resistant doorsets
Compare unobtrusively setting position with certain risk, and fire resistant doorsets, it is not easy to be noted.
Finally, due to which survivor is possible to carry flare with it, these flare are possible to not found by survivor, at this time not
By extinguishing, then very possible combustion also has the skin burn of large area even if escaping successfully all over whole body, and security risk is larger.Together
When fire resistant doorsets due to being still damaged after transition contact flame for single layer or multilayer door-plate, will be connected so entire
Safety zone, a large amount of smog, which are poured in, brings very big security risk to the escape of survivor.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of fire resistant doorsets, using a kind of completely new structure, Neng Gouyou
Effect solves many deficiencies in the prior art.
The present invention is achieved through the following technical solutions: a kind of fire resistant doorsets, including a doorframe, has one among doorframe
A perforative hollow cavity, the top and bottom of hollow cavity are respectively arranged with symmetrical one group or more of first rotating shaft hole, the hollow cavity
It is interior that the fire resistant flexible bar for having one or more is arranged side by side, it is sealed to each other between anti-picker bar and anti-picker bar to contact and by one or more
Anti- picker bar seal entire hollow cavity, the top and bottom of anti-picker bar are respectively perpendicular is provided with a first rotating shaft, first rotating shaft point
It Zhuan Dong not be incorporated in the first rotating shaft hole of hollow cavity top and bottom, form an escape spatia between adjacent two anti-picker bars；
The front and back sides of doorframe are respectively arranged with a First terrace and a second step face, First terrace are located at
The top of hollow cavity, second step face are located at the bottom of hollow cavity, and First terrace two sides open up one second shaft respectively
Hole, the outside of entire hollow cavity pass through fire-proof plate sealing, and one end two sides of fire-proof plate are respectively set one second shaft, and second
It is set with a torque spring in shaft, is reloaded by torque spring in the second shaft hole, and make fire-proof plate in natural shape
Perpendicular to doorframe when under state, the other end of fire-proof plate is movable end, which buckles into second step face and by an electricity
Magnetic assembly is fixed with entire doorframe.
Every anti-picker bar includes a fire prevention serving as a preferred technical solution, and the inside for serving of preventing fires has
One water storage cavity fills full water in water storage cavity, is vertically arranged soft-hearted bar in one in water storage cavity, in soft-hearted bar top and bottom difference
First rotating shaft is respectively welded in one support chip of vertical welding, the other end of support chip, and first rotating shaft passes through logical on fire prevention serving
Hole stretches out in outer wall, and marine glue sealing is stamped between first rotating shaft and through-hole wall and is fixed.
The fire prevention serving is integrally using the elastic rubber material with elastic expansion function as a preferred technical solution,
Material is made, and internal filling full water simultaneously makes serving expansion of preventing fires, it is described in soft-hearted bar be an elastic metallic thin bar, use
In supporting whole anti-picker bar.
It is micro- to open up the pressure release that more than one is arranged from top to bottom for the same side of anti-picker bar as a preferred technical solution,
Hole, the pressure release micropore on anti-picker bar contact sealing by the anti-picker bar of sides adjacent, and the outside for serving of preventing fires is smeared one layer and prevented
Fiery dope layer, and it is provided with a water injection hole on serving of preventing fires, water injection hole seals entire water injection hole by threaded closure plug.
An installation cavity, setting in installation cavity are opened up in the doorframe inside second step face as a preferred technical solution,
There is an electromagnet assembly, movable end insertion one block of metal block of setting of fire-proof plate, when fire-proof plate buckles into when in second step face it
Metal block is mutually attracted with electromagnet assembly, and the electromagnet assembly is by being installed on the electromagnet controller of doorframe bottom side
Control power on/off.
Electromagnet controller includes a shell as a preferred technical solution, is screwed and is installed on doorframe,
A mainboard is arranged in interior of shell, is equipped with smoke sensor device on mainboard, and the signal output end of smoke sensor device is connected to mainboard, main
Plate is that electromagnet assembly is powered by indoor power supply, in electromagnet assembly to doorframe by power supply line access in radio indoor power supply
Portion's cabling connects the power supply terminal of mainboard, and battery iron component controls power on/off by mainboard.
The fire-proof plate is metal plate as a preferred technical solution, outside be coated with one layer of fireproof coating layer.
The beneficial effects of the present invention are: the one, present invention is sealed among entire doorframe using one or more anti-picker bar
Hollow cavity, in this way in escape, survivor can be by the escape spatia between adjacent two anti-picker bars, and elastic in this way is anti-
Picker bar can be close to the body of survivor, only open the space being sufficient to extend through and escape for survivor, therefore entire space is only few
Amount is opened, and is not had a large amount of smog and is entered in safety zone；
Two, the present invention is since survivor is when across the anti-picker bar to cling to the body, can also be with even if there is flare with it
It is put out a fire by the water squeezed out on the contact of anti-picker bar and anti-picker bar, reduce human external temperature and extinguishes flare；
Three, in the case of fire, fire-proof plate is parallel to horizontal plane to the present invention, and the fire-proof plate dug upwards can be used as to day
The security protection of card prevents sundries when by fire resistant doorsets on ceiling from falling and injures survivor, while digging upwards
Fire-proof plate can be very good to help survivor to be easier to notice the position of fire resistant doorsets as a guiding piece, and do not make
Used time fire-proof plate protects each anti-picker bar, plays the role of safeguard protection.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is overall package figure of the invention；
Fig. 2 is the structural schematic diagram of doorframe of the invention；
Fig. 3 is the schematic diagram of internal structure of anti-picker bar of the invention；
Fig. 4 is the side view of fire-proof plate of the invention after opening；
Fig. 5 is the working principle of the invention figure.
Specific embodiment
As depicted in figs. 1 and 2, a kind of fire resistant doorsets, including a doorframe 3 have a perforative hollow cavity 1 among doorframe 3,
The top and bottom of hollow cavity 1 are respectively arranged with symmetrical one group or more of first rotating shaft hole (not shown), are arranged side by side in hollow cavity 1
There is one or more fire resistant flexible bar 11, it is sealed to each other between anti-picker bar 11 and anti-picker bar 11 to contact and anti-by one or more
Picker bar 11 seals entire hollow cavity 1, and the top and bottom of anti-picker bar 11 are respectively perpendicular is provided with a first rotating shaft 12, first rotating shaft
12 respectively rotation be incorporated in the first rotating shaft holes (not shown) of hollow cavity top and bottom, form one between adjacent two anti-picker bars 11
A escape spatia；
The front and back sides of doorframe 3 are respectively arranged with a First terrace 2 and a second step face 6, First terrace 2
Positioned at the top of hollow cavity 1, second step face 6 is located at the bottom of hollow cavity 1, and 2 two sides of First terrace open up one second respectively
Shaft hole (not shown), the outside of entire hollow cavity pass through a fire-proof plate 7 sealing, and one end two sides of fire-proof plate 7 are respectively set
One second shaft 9 is set with a torque spring in second shaft 9, is reloaded by torque spring in the second shaft hole, and make
Perpendicular to doorframe 3 when obtaining fire-proof plate 7 in its natural state, the other end of fire-proof plate 7 is movable end, which buckles into second
It is fixed in step surface and by an electromagnetic assembly 5 with entire doorframe 3.
As shown in figure 3, every anti-picker bar includes a fire prevention serving 14, the inside of fire prevention serving 14 has a storage
Water cavity 15 fills full water in water storage cavity 15, is vertically arranged soft-hearted bar 16 in one in water storage cavity 15, in soft-hearted bar 16 top and bottom
It is respectively perpendicular one support chip 13 of welding, first rotating shaft 12 is respectively welded in the other end of support chip 13, and first rotating shaft 12 passes through fire prevention
Through-hole on serving 14 stretches out in outer wall, and marine glue sealing is stamped between first rotating shaft 12 and through-hole wall and is fixed, anti-picker bar
11 since upper and lower side is provided with first rotating shaft 12, as long as therefore have escape spatia of the survivor across two anti-picker bars,
Anti- picker bar 11 will be driven to rotate certain angle using shaft, so that the face that may be contacted originally with fire source rotates into
To safety zone, the face that more renews continues to contact flame, can obtain better fire resistance.
Fire prevention serving 14 is whole using having the elastic rubber material of elastic expansion function to be made, and full water is filled in inside
And make prevent fires serving expansion, in soft-hearted bar 16 be an elastic metallic thin bar, be used to support whole anti-picker bar 11, when
When survivor is across adjacent anti-picker bar, since fire prevention serving is elastic expansion rubber material, therefore body can be close to,
Contact force be can use come the small flare with extinguishing, while only opening a region passed through for body, it in this way can be effective
Reduce the entrance of smog.
Wherein, the same side of anti-picker bar opens up more than one pressure release micropore 17 being arranged from top to bottom, on anti-picker bar
Pressure release micropore 17 contacts sealing by the anti-picker bar of sides adjacent, and one layer of fireproof coating layer is smeared in the outside of fire prevention serving 14,
And it is provided with a water injection hole 18 on fire prevention serving, water injection hole 18 seals entire water injection hole by threaded closure plug.In cloth
After the completion of setting, the pressure release micropore on anti-picker bar is sealed by the anti-picker bar of sides adjacent, cannot be normally discharged, in order to increase sealing
Property, one layer of silica gel thin film layer can also be pasted on the corresponding surface of anti-picker bar to increase contact sealing performance；Once fire, people occurs
Body passes through adjacent anti-picker bar, and pressure release micropore is activated, at this time the sweating of duration, and the survivor passed through in this way is i.e. using water
Cool down, reduce the burned probability of clothing, is more advantageous to survivor's escape.
Wherein, as shown in Figure 1, opening up an installation cavity (not shown) in doorframe inside second step face 6, in installation cavity
It is provided with electromagnet assembly 5, movable end insertion one block of metal block 8 of setting of fire-proof plate 7, when fire-proof plate is buckled into second step face
Its metal block 8 and electromagnet assembly 5 are mutually attracted when interior；
Electromagnet assembly 5 controls power on/off, electromagnet control by being installed on the electromagnet controller 4 of 3 bottom side of doorframe
Device 4 processed includes a shell, is screwed and is installed on doorframe, and a mainboard is arranged in interior of shell, is equipped with cigarette on mainboard
Mist sensor, the signal output end of smoke sensor device are connected to mainboard, and mainboard is passed through by power supply line access in radio indoor power supply
Indoor power supply is electromagnet assembly power supply, as shown in figure 5, cabling connects the power supply wiring of mainboard inside electromagnet assembly to doorframe
Terminal, battery iron component control power on/off by mainboard.When a fire, smoke alarm detects smog, is just examined
It surveys signal and is transmitted to mainboard, mainboard is closed power supply and come so that electromagnet assembly power-off, the in this way torque spring in fire-proof plate upper end
Under the action of, monolith fire-proof plate struts, as shown in figure 4, distracted fire-proof plate can be very good to be observed at this time, is more advantageous to
It is found to escape, while distracted fire-proof plate can also be used as the security protection use at top.
In the present embodiment, fire-proof plate 7 is metal plate, outside be coated with one layer of fireproof coating layer, pass through smear fire prevention
Coating increases refractory ability.
The beneficial effects of the present invention are: the one, present invention is sealed among entire doorframe using one or more anti-picker bar
Hollow cavity, in this way in escape, survivor can be by the escape spatia between adjacent two anti-picker bars, and elastic in this way is anti-
Picker bar can be close to the body of survivor, only open the space being sufficient to extend through and escape for survivor, therefore entire space is only few
Amount is opened, and is not had a large amount of smog and is entered in safety zone；
Two, the present invention is since survivor is when across the anti-picker bar to cling to the body, can also be with even if there is flare with it
It is put out a fire by the water squeezed out on the contact of anti-picker bar and anti-picker bar, reduce human external temperature and extinguishes flare；
Three, in the case of fire, fire-proof plate is parallel to horizontal plane to the present invention, and the fire-proof plate dug upwards can be used as to day
The security protection of card prevents sundries when by emergency exits on ceiling from falling and injures survivor, while digging upwards
Fire-proof plate can be very good to help survivor to be easier to notice the position of emergency exits as a guiding piece, and do not make
Used time fire-proof plate protects each anti-picker bar, plays the role of safeguard protection.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
The change or replacement expected without creative work, should be covered by the protection scope of the present invention.Therefore, of the invention
Protection scope should be determined by the scope of protection defined in the claims.
Claims (7)
1. a kind of fire resistant doorsets, it is characterised in that: including a doorframe, there is a perforative hollow cavity among doorframe, hollow cavity
Top and bottom are respectively arranged with symmetrical one group or more of first rotating shaft hole, and being arranged side by side in the hollow cavity has one or more soft
Property anti-picker bar, it is sealed to each other between anti-picker bar and anti-picker bar to contact and sealed by one or more anti-picker bar entire hollow
Chamber, the top and bottom of anti-picker bar, which are respectively perpendicular, is provided with a first rotating shaft, and first rotating shaft rotates be incorporated in hollow cavity or more respectively
In the first rotating shaft hole in face, an escape spatia is formed between adjacent two anti-picker bars；
The front and back sides of doorframe are respectively arranged with a First terrace and a second step face, and First terrace is located at hollow
The top of chamber, second step face are located at the bottom of hollow cavity, and First terrace two sides open up one second shaft hole respectively, whole
The outside of a hollow cavity passes through fire-proof plate sealing, and one second shaft, the second shaft is respectively set in one end two sides of fire-proof plate
On be set with a torque spring, be reloaded by torque spring in the second shaft hole, and make fire-proof plate in its natural state
When perpendicular to doorframe, the other end of fire-proof plate is movable end, which buckles into second step face and by an electromagnetism group
Part is fixed with entire doorframe.
2. a kind of fire resistant doorsets as described in claim 1, it is characterised in that: every anti-picker bar includes a fire prevention serving, is prevented
The inside of fiery serving has a water storage cavity, and full water is filled in water storage cavity, is vertically arranged soft-hearted bar in one in water storage cavity, in
The top and bottom of soft-hearted bar are respectively perpendicular one support chip of welding, and first rotating shaft is respectively welded in the other end of support chip, and first rotating shaft is worn
The through-hole crossed on fire prevention serving stretches out in outer wall, and marine glue sealing is stamped between first rotating shaft and through-hole wall and is fixed.
3. a kind of fire resistant doorsets as claimed in claim 2, it is characterised in that: the fire prevention serving is integrally elastic swollen using having
The elastic rubber material of swollen function is made, and internal filling full water simultaneously makes serving expansion of preventing fires, it is described in soft-hearted bar be one
Root elastic metallic thin bar has been used to support whole anti-picker bar.
4. a kind of fire resistant doorsets as claimed in claim 2, it is characterised in that: the same side of anti-picker bar opens up more than one from upper
And the pressure release micropore of lower setting, the pressure release micropore on anti-picker bar contact sealing, serving of preventing fires by the anti-picker bar of sides adjacent
It is external to smear one layer of fireproof coating layer, and it is provided with a water injection hole on serving of preventing fires, water injection hole passes through thread seal
Plug seals entire water injection hole.
5. a kind of fire resistant doorsets as described in claim 1, it is characterised in that: open up a peace in the doorframe inside second step face
Behave affectedly, be provided with electromagnet assembly in installation cavity, movable end insertion one block of metal block of setting of fire-proof plate, when fire-proof plate buckle into
Its metal block and electromagnet assembly are mutually attracted when in second step face, and the electromagnet assembly is by being installed on doorframe bottom one
The electromagnet controller of side controls power on/off.
6. a kind of fire resistant doorsets as claimed in claim 5, it is characterised in that: electromagnet controller includes a shell, passes through spiral shell
Silk is fixedly installed on doorframe, and a mainboard is arranged in interior of shell, is equipped with smoke sensor device, the signal of smoke sensor device on mainboard
Output end is connected to mainboard, and mainboard is electromagnet assembly power supply by indoor power supply by power supply line access in radio indoor power supply,
The power supply terminal of cabling connection mainboard, battery iron component control power on/off by mainboard inside electromagnet assembly to doorframe.
7. a kind of fire resistant doorsets as described in claim 1, it is characterised in that: the fire-proof plate is metal plate, outside apply
There is one layer of fireproof coating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910525317.XA CN110230459B (en) | 2019-06-18 | 2019-06-18 | Fire-proof door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910525317.XA CN110230459B (en) | 2019-06-18 | 2019-06-18 | Fire-proof door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110230459A true CN110230459A (en) | 2019-09-13 |
| CN110230459B CN110230459B (en) | 2020-11-24 |
Family
ID=67859477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910525317.XA Active CN110230459B (en) | 2019-06-18 | 2019-06-18 | Fire-proof door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110230459B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513014A (en) * | 2019-09-16 | 2019-11-29 | 黄帅 | Fireproof safety door |
| CN110644669A (en) * | 2019-09-29 | 2020-01-03 | 吴晓华 | Fireproof decorative ceiling |
| CN110966043A (en) * | 2019-12-20 | 2020-04-07 | 张干 | Fire door is prevented in mine with function of putting out a fire fast |
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| CN2435498Y (en) * | 2000-06-30 | 2001-06-20 | 刁占恒 | Flexible fireproof rolling shutter door |
| CN202483388U (en) * | 2012-03-13 | 2012-10-10 | 浙江申盛建筑工程有限公司 | Fireproof door with escape system |
| CN106639815A (en) * | 2016-12-16 | 2017-05-10 | 重庆坤秀门窗有限公司 | Security fire-resistant door with passage |
| CN106761287A (en) * | 2016-12-16 | 2017-05-31 | 重庆坤秀门窗有限公司 | A kind of split escape way fire resistant doorsets |
| CN207212175U (en) * | 2017-08-12 | 2018-04-10 | 深圳市宝盾门业科技有限公司 | One kind singly opens fire resistant doorsets |
| CN109707293A (en) * | 2019-01-25 | 2019-05-03 | 福建商学院 | A kind of accessible fire resistant doorsets with escape route |
-
2019
- 2019-06-18 CN CN201910525317.XA patent/CN110230459B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2435498Y (en) * | 2000-06-30 | 2001-06-20 | 刁占恒 | Flexible fireproof rolling shutter door |
| CN202483388U (en) * | 2012-03-13 | 2012-10-10 | 浙江申盛建筑工程有限公司 | Fireproof door with escape system |
| CN106639815A (en) * | 2016-12-16 | 2017-05-10 | 重庆坤秀门窗有限公司 | Security fire-resistant door with passage |
| CN106761287A (en) * | 2016-12-16 | 2017-05-31 | 重庆坤秀门窗有限公司 | A kind of split escape way fire resistant doorsets |
| CN207212175U (en) * | 2017-08-12 | 2018-04-10 | 深圳市宝盾门业科技有限公司 | One kind singly opens fire resistant doorsets |
| CN109707293A (en) * | 2019-01-25 | 2019-05-03 | 福建商学院 | A kind of accessible fire resistant doorsets with escape route |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513014A (en) * | 2019-09-16 | 2019-11-29 | 黄帅 | Fireproof safety door |
| CN110644669A (en) * | 2019-09-29 | 2020-01-03 | 吴晓华 | Fireproof decorative ceiling |
| CN110644669B (en) * | 2019-09-29 | 2021-08-31 | 义乌市铂川建筑工程有限公司 | Fireproof decorative ceiling |
| CN110966043A (en) * | 2019-12-20 | 2020-04-07 | 张干 | Fire door is prevented in mine with function of putting out a fire fast |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110230459B (en) | 2020-11-24 |
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