CN114909069A - Wooden heat-insulating fireproof door - Google Patents
Wooden heat-insulating fireproof door Download PDFInfo
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- CN114909069A CN114909069A CN202210675804.6A CN202210675804A CN114909069A CN 114909069 A CN114909069 A CN 114909069A CN 202210675804 A CN202210675804 A CN 202210675804A CN 114909069 A CN114909069 A CN 114909069A
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- door leaf
- fireproof
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- 238000009413 insulation Methods 0.000 claims abstract description 11
- 239000000945 filler Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 5
- 238000005429 filling process Methods 0.000 claims abstract description 4
- 239000011521 glass Substances 0.000 claims description 30
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 6
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 4
- 239000003063 flame retardant Substances 0.000 claims description 4
- 239000004088 foaming agent Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 3
- 239000000395 magnesium oxide Substances 0.000 claims description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 3
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims 1
- 239000002023 wood Substances 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000002860 competitive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- -1 filaments Substances 0.000 description 2
- 230000009970 fire resistant effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
Images
Classifications
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- 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
- 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
- E06B3/30—Coverings, e.g. protecting against weather, for decorative purposes
-
- 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
- E06B3/7015—Door leaves characterised by the filling between two external panels
-
- 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
- E06B5/164—Sealing arrangements between the door or window and its frame, e.g. intumescent seals specially adapted 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
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
- E06B7/23—Plastic, sponge rubber, or like strips or tubes
-
- 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
- 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
- E06B7/30—Peep-holes; Devices for speaking through; Doors having windows
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Special Wing (AREA)
Abstract
本发明涉及防火门技术领域，具体涉及一种木质隔热防火门，包括门框，在所述门框内设有两扇门扇，在右侧所述门扇上设有便于开合的防火锁，所述门扇的厚度42mm，所述门扇的内侧为受火面，在所述门扇与所述左边框、所述门扇与所述右边框、所述门扇与所述上边框之间设有外骨架，所述外骨架处于所述门扇内部，在所述内骨架和所述外骨架之间设有填充槽，通过填压工艺填压填充料；本发明在满足防火门的执行标准的前提下，通过将门扇的厚度由50mm修改现在的42mm，且门扇采用的结构为面板+填充料+面板，并在受火面一侧设有3mm的防火板，在保证门框结构强度和耐火隔热性的前提下，门框整体厚度也降低，门框成本也降低了。
The present invention relates to the technical field of fire doors, in particular to a wooden thermal insulation fire door, comprising a door frame, two door leaves are arranged in the door frame, and a fire lock for easy opening and closing is arranged on the door leaf on the right side. The thickness of the door leaf is 42mm, the inner side of the door leaf is the fire surface, and an outer frame is arranged between the door leaf and the left frame, the door leaf and the right frame, and the door leaf and the upper frame. The outer skeleton is located inside the door leaf, and a filling groove is arranged between the inner skeleton and the outer skeleton, and the filling material is filled by the filling process; the present invention meets the performance standards of the fire door by adding The thickness of the door leaf is changed from 50mm to 42mm now, and the structure of the door leaf is panel + filler + panel, and a 3mm fireproof board is provided on the side of the fire surface, under the premise of ensuring the structural strength of the door frame and fire resistance and heat insulation , the overall thickness of the door frame is also reduced, and the cost of the door frame is also reduced.
Description
技术领域technical field
本发明涉及防火门技术领域，具体涉及一种木质隔热防火门。The invention relates to the technical field of fire doors, in particular to a wooden heat insulation fire door.
背景技术Background technique
火灾是威胁人类生命安全的常见灾难之一。防火门是指具有耐火性能的门，在发生火灾时为人们逃离火灾赢得时间、防止火灾扩散、延迟火灾蔓延并防高温。因此，防火门在发生火灾时起着至关重要的作用，防火门被广泛地适用于民宅、船舶、建筑、化工、机械工程等许多领域。Fire is one of the common disasters that threaten human life. A fire door is a door with fire resistance, which in the event of a fire buys time for people to escape from the fire, prevents the spread of the fire, delays the spread of the fire and protects against high temperatures. Therefore, fire doors play a vital role in the event of fire, and fire doors are widely used in many fields such as residential houses, ships, construction, chemical engineering, and mechanical engineering.
现有防火门多数采用具有阻燃作用的钢结构，阻燃性能虽然很好，但是存在不可避免的缺点，首先，钢结构的防火门更重，手动开关更难操作，其次，钢结构的门板不美观，更加冰冷，触摸感觉很差。且现有的木质防火门厚度都是50mm，且门扇采用的结构为面板+防火板+填充料+防火板+面板的结构，使得整个木质防火门的制作成本高，且结构复杂，材料用量大。Most of the existing fire doors adopt the steel structure with flame retardant effect. Although the flame retardant performance is very good, there are inevitable shortcomings. First, the steel structure fire door is heavier, and the manual switch is more difficult to operate. Second, the steel structure door panel Not aesthetically pleasing, more icy, and bad to the touch. In addition, the thickness of the existing wooden fire doors is 50mm, and the structure of the door leaf is the structure of panel + fire board + filler + fire board + panel, which makes the production cost of the whole wooden fire door high, and the structure is complex and the material consumption is large. .
发明内容SUMMARY OF THE INVENTION
根据背景技术提出的问题，本发明提供一种木质隔热防火门来解决，接下来对本发明做进一步地阐述。According to the problems raised by the background art, the present invention provides a wooden heat-insulating fire-resistant door to solve the problem, and the present invention will be further elaborated next.
一种木质隔热防火门，包括门框，所述门框包括左右布置的左边框和右边框，在所述左边框和所述右边框之间设有上边框，所述上边框两端分别与所述左边框上端和所述右边框上端固定连接，在所述门框内设有两扇门扇，左侧所述门扇通过多个防火铰链与所述左边框铰链连接，右侧所述门扇也通过多个所述防火铰链与所述右边框铰链连接，在右侧所述门扇上设有便于开合的防火锁，所述门扇的厚度42mm，所述门扇的内侧为受火面，在所述门扇与所述左边框、所述门扇与所述右边框、所述门扇与所述上边框之间设有外骨架，所述外骨架处于所述门扇内部，两个所述门扇接触处均设有内骨架，所述内骨架分别处于所述门扇对立侧的内部；在所述外骨架和所述内骨架前后两侧均设有阻燃面板，在所述门扇的受热面一侧固定设有3mm的防火板，且所述防火板固定在所述内骨架和外骨架上，在所述内骨架和所述外骨架之间设有填充槽，通过填压工艺填压填充料；A wooden heat-insulating fireproof door, comprising a door frame, the door frame comprising a left frame and a right frame arranged left and right, an upper frame is arranged between the left frame and the right frame, and both ends of the upper frame are respectively connected with each other. The upper end of the left frame and the upper end of the right frame are fixedly connected, two door leaves are arranged in the door frame, the door leaf on the left is connected with the left frame hinge through a plurality of fireproof hinges, and the door leaf on the right Each of the fire-proof hinges is connected to the right frame hinge, and the door leaf on the right side is provided with a fire-proof lock for easy opening and closing. There is an outer frame between the left frame, the door leaf and the right frame, the door leaf and the upper frame, the outer frame is inside the door leaf, and the two door leaves are in contact with each other. Inner frame, the inner frame is respectively located inside the opposite side of the door leaf; flame retardant panels are provided on both the front and rear sides of the outer frame and the inner frame, and a 3mm panel is fixed on the heating surface side of the door leaf The fireproof board is fixed on the inner skeleton and the outer skeleton, and a filling groove is arranged between the inner skeleton and the outer skeleton, and the filling material is filled by the filling process;
作为优选的，所述防火铰链的数量为三个，且两个处于上方，另外一个处于下方；Preferably, the number of the fireproof hinges is three, two of which are located above and the other one is located below;
作为优选的，所述填充料由氧化镁、氯化镁、硫酸镁、纤维丝、发泡剂混合而成；Preferably, the filler is mixed with magnesium oxide, magnesium chloride, magnesium sulfate, filaments, and a foaming agent;
作为优选的，在每个所述门扇上均设有便于观察的隔热型防火玻璃，所述防火玻璃前后两侧均设有玻璃压板；且在所述受火面一侧还设有垫板，所述垫板处于所述玻璃压板下方，在所述防火玻璃左右两侧还设有所述内骨架，所述内骨架处于所述门扇内部；Preferably, each of the door leaves is provided with a heat-insulating fireproof glass that is easy to observe, and glass pressure plates are provided on both the front and rear sides of the fireproof glass; and a backing plate is also provided on one side of the fire-receiving surface. , the backing plate is located under the glass pressing plate, and the inner frame is also provided on the left and right sides of the fireproof glass, and the inner frame is located inside the door leaf;
作为优选的，所述防火玻璃由两层4mm厚的普通玻璃中间夹一层防火液制作而成，且所述防火玻璃左右两侧均设有密封条；Preferably, the fireproof glass is made of two layers of 4mm thick ordinary glass sandwiched with a layer of fireproof liquid, and the fireproof glass is provided with sealing strips on the left and right sides;
作为优选的，两扇所述门扇封和处呈台阶状；Preferably, the seals of the two door leaves are stepped;
作为优选的，在所述门扇与所述左边框、所述门扇与所述右边框、所述门扇与所述上边框之间设有防火膨胀密封件，所述膨胀密封件分别处于所述左边框和所述右边框以及所述上边框的凹槽内，以及在所述防火玻璃左右两侧均设有所述膨胀密封件；Preferably, fireproof expansion seals are provided between the door leaf and the left frame, the door leaf and the right frame, and the door leaf and the upper frame, and the expansion seals are located on the left The expansion seals are provided in the grooves of the frame, the right frame and the upper frame, and on the left and right sides of the fireproof glass;
作为优选的，在左侧所述门扇上下端均设有防火插销；Preferably, fireproof latches are provided on the upper and lower ends of the door leaf on the left side;
作为优选的，在所述上边框上设有防火顺序器；Preferably, a fire-proof sequencer is provided on the upper frame;
作为优选的，所述防火板只固定在在所述内骨架和外骨架上，不固定在所述填充槽上；Preferably, the fireproof board is only fixed on the inner frame and the outer frame, not on the filling groove;
有益效果：与现有技术相比，本发明在满足防火门的执行标准的前提下，通过将门扇的厚度由50mm修改现在的42mm，且门扇采用的结构为面板+填充料+面板，并在受火面一侧设有3mm的防火板，避免了传统工艺防火门受火面与背火面两侧均需要设置整张防火板的问题，减少背火面防火板，大大降低防火板用量，门扇厚度降低同时，在保证门框结构强度和耐火隔热性的前提下，门框整体厚度也降低，门框成本也降低了，简化了防火门的生产工艺，使得产品更具有竞争力；Beneficial effect: Compared with the prior art, the present invention, on the premise of meeting the execution standard of fire doors, modifies the thickness of the door leaf from 50mm to 42mm, and the structure of the door leaf is panel+filler+panel, and in the There is a 3mm fireproof board on one side of the fire-receiving surface, which avoids the problem that a whole fire-proof board needs to be installed on both sides of the fire-receiving surface and the back-fire surface of the traditional fire door, reduces the fire-proof board on the back-fire side, and greatly reduces the amount of fire-proof board. At the same time, the thickness of the door leaf is reduced, and on the premise of ensuring the structural strength and fire resistance of the door frame, the overall thickness of the door frame is also reduced, the cost of the door frame is also reduced, the production process of the fire door is simplified, and the product is more competitive;
附图说明Description of drawings
图1：本发明结构示意图；Fig. 1: structural representation of the present invention;
图2：本发明A-A截面结构示意图；Fig. 2: A-A cross-sectional structure schematic diagram of the present invention;
图3：本发明B-B截面结构示意图；Fig. 3: B-B sectional structure schematic diagram of the present invention;
图中：门框1、左边框11、右边框12、上边框13、门扇2、防火铰链21、防火锁22、外骨架23、内骨架24、填充槽25、填充料26、防火玻璃27、玻璃压板28、垫板281、膨胀密封件29、防火插销3、防火顺序器4；In the figure: door frame 1,
具体实施方式Detailed ways
接下来结合附图1-3对本发明的一个具体实施例来做详细地阐述。Next, a specific embodiment of the present invention will be described in detail with reference to FIGS. 1-3 .
一种木质隔热防火门，包括门框1，所述门框1包括左右布置的左边框11和右边框12，在所述左边框11和所述右边框12之间设有上边框13，所述上边框13两端分别与所述左边框11上端和所述右边框12上端固定连接，在所述门框1内设有两扇门扇2，左侧所述门扇2通过多个防火铰链21与所述左边框11铰链连接，右侧所述门扇2也通过多个所述防火铰链21与所述右边框12铰链连接，作为优选的，所述防火铰链21的数量为三个，且两个处于上方，另外一个处于下方；在右侧所述门扇2上设有便于开合的防火锁22，所述门扇2的厚度42mm，所述门扇2的内侧为受火面，在所述门扇2与所述左边框11、所述门扇 2与所述右边框12、所述门扇2与所述上边框13之间设有外骨架23，所述外骨架23处于所述门扇2内部，两个所述门扇2接触处均设有内骨架24，所述内骨架24分别处于所述门扇2 对立侧的内部；在所述外骨架23和所述内骨架24前后两侧均设有阻燃面板，在所述门扇2 的受热面一侧固定设有3mm的防火板，且所述防火板固定在所述内骨架24和外骨架23上，在所述内骨架24和所述外骨架23之间设有填充槽25，通过填压工艺填压填充料26；A wooden thermal insulation and fireproof door, comprising a door frame 1, the door frame 1 includes a
所述填充料26由氧化镁、氯化镁、硫酸镁、纤维丝、发泡剂混合而成；The
在每个所述门扇2上均设有便于观察的隔热型防火玻璃27，所述防火玻璃27 前后两侧均设有玻璃压板28；且在所述受火面一侧还设有垫板281，所述垫板281处于所述玻璃压板28下方，在所述防火玻璃28左右两侧还设有所述内骨架24，所述内骨架24处于所述门扇2内部；所述防火玻璃27由两层4mm厚的普通玻璃中间夹一层防火液制作而成，且所述防火玻璃27左右两侧均设有密封条；Each
为了使得两扇所述门扇2关闭更加封闭，两扇所述门扇2封和处呈台阶状；In order to make the two
为了使得防火效果更佳，在所述门扇2与所述左边框11、所述门扇2与所述右边框12、所述门扇2与所述上边框13之间设有防火膨胀密封件29，所述膨胀密封件29分别处于所述左边框11和所述右边框12以及所述上边框13的凹槽内，以及在所述防火玻璃28 左右两侧均设有所述膨胀密封件29，当发生火灾时，所述膨胀密封件29受热会膨胀，使得上述之间的缝隙被密封，防止火势穿过门扇，进入到另一侧，防止火势蔓延；In order to make the fireproof effect better, a
在左侧所述门扇2上下端均设有防火插销3，进一步的对所述门扇2进行固定；The upper and lower ends of the
两扇所述门扇2封和处呈台阶状，此时关门的时候存在顺序即左边先关还是右边先关，为此在所述上边框13上设有防火顺序器4，由于所述防火顺序器4为现有技术，故而在此不做过多的阐述；The two
为了减少防火板的使用，且能够满足防火标准的前提下，所述防火板只固定在在所述内骨架24和外骨架23上，不固定在所述填充槽25上；In order to reduce the use of the fireproof board, and on the premise that the fireproof standard can be met, the fireproof board is only fixed on the
与现有技术相比，本发明在满足防火门的执行标准的前提下，通过将门扇的厚度由50mm修改现在的42mm，且门扇采用的结构为面板+填充料+面板，并在受火面一侧设有3mm的防火板，避免了传统工艺防火门受火面与背火面两侧均需要设置整张防火板的问题，减少背火面防火板，大大降低防火板用量，门扇厚度降低同时，在保证门框结构强度和耐火隔热性的前提下，门框整体厚度也降低，门框成本也降低了，简化了防火门的生产工艺，使得产品更具有竞争力；Compared with the prior art, under the premise of meeting the implementation standards of fire doors, the present invention modifies the thickness of the door leaf from 50mm to 42mm, and the structure of the door leaf is panel+filler+panel, and on the fire surface There is a 3mm fireproof board on one side, which avoids the problem that a whole fireproof board needs to be set on both sides of the fire-receiving surface and the back fire side of the traditional fire door, reduces the fireproof board on the back fire side, greatly reduces the amount of fireproof board, and reduces the thickness of the door leaf At the same time, under the premise of ensuring the structural strength and fire resistance and heat insulation of the door frame, the overall thickness of the door frame is also reduced, the cost of the door frame is also reduced, the production process of the fire door is simplified, and the product is more competitive;
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.
Claims (10)
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| CN105909151A (en) * | 2016-06-30 | 2016-08-31 | 安徽安旺门业股份有限公司 | Double-door wooden thermal insulating fireproof door with window and manufacturing method of double-door wooden thermal insulating fireproof door |
| CN105952339A (en) * | 2016-06-22 | 2016-09-21 | 安徽安旺门业股份有限公司 | Biparting steel-wood heat-insulation fireproof door with windows and making method thereof |
| CN206655628U (en) * | 2017-04-10 | 2017-11-21 | 深圳市龙电科技实业有限公司 | A kind of super large fire resistant doorsets |
| CN214659765U (en) * | 2020-11-24 | 2021-11-09 | 上海安盼门窗有限公司 | Steel fireproof door |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952339A (en) * | 2016-06-22 | 2016-09-21 | 安徽安旺门业股份有限公司 | Biparting steel-wood heat-insulation fireproof door with windows and making method thereof |
| CN105909151A (en) * | 2016-06-30 | 2016-08-31 | 安徽安旺门业股份有限公司 | Double-door wooden thermal insulating fireproof door with window and manufacturing method of double-door wooden thermal insulating fireproof door |
| CN206655628U (en) * | 2017-04-10 | 2017-11-21 | 深圳市龙电科技实业有限公司 | A kind of super large fire resistant doorsets |
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