CN213627301U - Fire-proof door - Google Patents
Fire-proof door Download PDFInfo
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- CN213627301U CN213627301U CN202021425958.2U CN202021425958U CN213627301U CN 213627301 U CN213627301 U CN 213627301U CN 202021425958 U CN202021425958 U CN 202021425958U CN 213627301 U CN213627301 U CN 213627301U
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- door leaf
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- fire
- door frame
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Abstract
The utility model relates to a fireproof door, which comprises a door frame, a first door leaf connected with the door frame, a second door leaf connected with the door frame and a fireproof structure for fire prevention and heat insulation; the fireproof structure comprises a first fireproof structure, a second fireproof structure and a third fireproof structure, and the third fireproof structure is positioned between the first fireproof structure and the second fireproof structure; the door frame comprises a first door frame main body, a second door frame main body and a cold bridge breaking structure positioned between the first door frame main body and the second door frame main body. The utility model discloses a first fire resistive construction, second fire resistive construction and third fire resistive construction form three protective screens, and flue gas and steam reveal and need pass through these three protective screens to improved the fire prevention rank of preventing fire door greatly, through detecting, the fire-resistant time of preventing fire door is more than 1.5 hours, has reached first grade fire prevention requirement.
Description
Technical Field
The utility model relates to a building field specifically, relates to a prevent fire door.
Background
With the increase of population, the urban living density is higher and higher, and the urban housing has high floors and gathers a large amount of population, so that the safety of urban living is more and more emphasized. High-rise residences have a potential safety hazard, particularly for places with low fire-protection level, if one floor is on fire, other floors can be greatly influenced, and therefore, the fire-protection level is very important for urban high-density residences.
At present, the fire door of the first-class requires fire resistance and heat insulation and integrity for 1.5 hours, but the fire door of the common structure at present hardly meets the secondary requirement, and certain potential safety hazard exists.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a prevent fire door, can effectively prevent fires, insulate against heat, smoke protection.
In order to solve the technical problem, the utility model provides a fireproof door, which comprises a door frame, a first door leaf connected with the door frame, a second door leaf connected with the door frame and a fireproof structure for fire prevention and heat insulation;
the fireproof structures are arranged in a gap between the door frame and the first door leaf, a gap between the door frame and the second door leaf and a gap between the first door leaf and the second door leaf;
the fireproof structure comprises a first fireproof structure, a second fireproof structure and a third fireproof structure, and the third fireproof structure is positioned between the first fireproof structure and the second fireproof structure;
the door frame comprises a first door frame main body, a second door frame main body and a cold bridge breaking structure positioned between the first door frame main body and the second door frame main body.
Preferably, a gap is arranged between the first door frame main body and the second door frame main body;
the cold bridge structure is positioned in the gap and is made of light calcium fire-proof plates or fire-proof resin heat-insulating plates.
Preferably, the first door leaf comprises a first metal plate, a first inner framework, a first fireproof plate and a first medium density fiberboard which are arranged in sequence;
the first inner framework comprises first galvanized plates and a first core plate arranged between the adjacent first galvanized plates, wherein the first core plate is made of fireproof materials;
the first fireproof plate is a light calcium fireproof plate.
Preferably, the second door leaf comprises a second metal plate, a second inner framework, a second fireproof plate and a second medium density fiberboard which are sequentially arranged;
the second inner framework comprises second galvanized plates and a second core plate arranged between the adjacent second galvanized plates, wherein the second core plate is made of fireproof materials;
the second fireproof plate is a light calcium fireproof plate.
Preferably, a door frame sealing groove is formed in the door frame, and the door frame sealing groove is located in a gap between the door frame and the first door leaf or a gap between the door frame and the second door leaf.
Preferably, a first door leaf sealing element and a first door leaf mounting groove are arranged on the first door leaf, the first door leaf sealing element is fixed on the first door leaf, and a first door leaf sealing groove is arranged in the first door leaf sealing element;
the first door leaf sealing groove is arranged facing a gap between the first door leaf and the second door leaf or a gap between the first door leaf and the door frame;
the first door leaf mounting groove is arranged facing the second door leaf.
Preferably, a second door leaf sealing element and a second door leaf mounting groove are arranged on the second door leaf, the second door leaf sealing element is fixed on the second door leaf, and a second door leaf sealing groove is formed in the second door leaf sealing element;
the second door leaf sealing groove is arranged facing a gap between the second door leaf and the first door leaf or a gap between the second door leaf and the door frame;
the second door leaf mounting groove is arranged facing the first door leaf.
Preferably, the first fireproof structure is an integrated structure and comprises a first expansion part and a first sealing part, and a first barb structure is further arranged around the first expansion part;
the number of the first fireproof structures is three, wherein two fireproof structures are respectively positioned in the door frame sealing grooves on the left side and the right side, and one fireproof structure is positioned in the second door leaf sealing groove.
Preferably, the second fireproof structure is an integrated structure and comprises a second expansion part and a second sealing part, and a second barb structure is further arranged around the second expansion part;
the number of the second fireproof structures is three, wherein two fireproof structures are respectively positioned in the first door leaf sealing grooves at the left side and the right side of the first door leaf, and one fireproof structure is positioned in the second door leaf sealing groove.
Preferably, the third fire prevention structure is embedded in the first door leaf installation groove and the second door leaf installation groove and is made of a fire prevention expansion material;
the number of the third fire prevention structures is four, and the four third fire prevention structures are respectively positioned in the first door leaf mounting grooves at the two ends of the first door leaf and the second door leaf mounting grooves at the two ends of the second door leaf.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model discloses a first fire resistive construction, second fire resistive construction and third fire resistive construction form three protective screens, and flue gas and steam leak and need pass through these three protective screens to improved the fire prevention rank of preventing fire door greatly, through detecting, the fire-resistant time of preventing fire door is more than 1.5 hours, has reached first grade fire prevention requirement.
2. Because metal material's heat conductivility is good, if when the condition such as conflagration takes place, the heat can directly pass through the door frame transmission, influences the thermal-insulated effect of fire prevention of preventing fire door, in order to solve this problem, through the setting of disconnected cold bridge structure, prevents that the heat is direct to pass through the door frame transmission to realize its thermal-insulated function of preventing fires.
Drawings
Fig. 1 is a schematic structural view of a fire door provided by the present invention;
fig. 2 is a schematic sectional view of the fire door according to the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
fig. 4 is a schematic view of a partial cross-sectional structure of a doorframe of the fireproof door according to the present invention;
fig. 5 is a schematic sectional view of a first door leaf of the fireproof door according to the present invention;
FIG. 6 is an enlarged view of FIG. 5 at B;
fig. 7 is a schematic sectional view of a second door leaf of the fireproof door according to the present invention;
FIG. 8 is an enlarged view at C of FIG. 7;
fig. 9 is a schematic cross-sectional view of a first fire protection structure of the fire protection door of the present invention;
fig. 10 is a schematic sectional view of a second fire protection structure of the fire door of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1 to 3, a fire door includes a frame 1, a first door leaf 2 connected to the frame 1, a second door leaf 3 connected to the frame 1, and a fire protection structure 4 for fire protection and heat insulation;
the fireproof structures 4 are arranged in a gap between the door frame 1 and the first door leaf 2, a gap between the door frame 1 and the second door leaf 3 and a gap between the first door leaf 2 and the second door leaf 3;
the fire protection structure 4 comprises a first fire protection structure 41, a second fire protection structure 42 and a third fire protection structure 43, the third fire protection structure 43 being located between the first fire protection structure 41 and the second fire protection structure 42;
the doorframe 1 comprises a first doorframe main body 11, a second doorframe main body 12 and a cold bridge structure 13 positioned between the first doorframe main body 11 and the second doorframe main body 12.
As shown in fig. 3 to 4, the doorframe 1 is fixed on a wall, is used for installing the first door leaf 2 and the second door leaf 3, and is made of a metal material, and due to good heat conductivity of the metal material, heat can be directly transmitted through the doorframe 1 in case of fire and the like, which affects the fireproof and heat insulation effect of the fireproof door, in order to solve the problem, in this embodiment, the doorframe 1 includes a first doorframe main body 11, a second doorframe main body 12, and a cold bridge structure 13 located between the first doorframe main body 11 and the second doorframe main body 12, wherein the first doorframe main body 11 and the second doorframe main body 12 are both made of a metal material, and a gap is provided between the first doorframe main body 11 and the second doorframe main body 12, and the cold bridge structure 13 is located in the gap and is made of a fireproof and heat insulation material, such as a light calcium fire protection plate, Fire-proof resin heat insulation boards and the like. Therefore, through the arrangement of the cold bridge structure 13, heat is prevented from being directly transmitted through the door frame 1, and the fireproof and heat-insulating functions are realized.
Correspondingly, in order to make the door frame form a whole, the first door frame main body 11, the second door frame main body 12 and the cold bridge structure 13 are fixedly connected through connecting structures such as screws, so that the strength of the door frame 1 is ensured and the installation is convenient.
In order to facilitate the installation of the fireproof structure, a door frame sealing groove 14 is formed in the door frame 1, and the door frame sealing groove 14 is used for installing the fireproof structure.
As shown in fig. 5 to 6, the first door leaf 2 is connected to the door frame 1, and is matched with the second door leaf 3 to form a sealed structure. Specifically, first door leaf 2 is including the first metal sheet 21, first inner frame 22, first PLASTIC LAMINATED 23 and the first well fine board 24 that set gradually, wherein, first metal sheet 21 is located outdoors for the decoration, and it can be for casting aluminum plate or other metal sheet structures, in order to increase first metal sheet 21's aesthetic property, its surface can also set up patterns such as black sand line, red golden oil.
The first inner frame 22 is a main supporting structure of the first door leaf, and includes first galvanized plates 221 and a first core plate 222 disposed between adjacent first galvanized plates 221, wherein the first core plate is made of a fireproof material, such as a perlite fireproof material.
The first fireproof plate 23 is used for fire prevention and heat insulation, and may be a light calcium fireproof plate, an epoxy resin heat insulation plate, or other plate structures with fire prevention and heat insulation functions.
The first middle fiberboard 24 is located indoors, and can be used for fire protection while being used for the device, and particularly can be made of a fireproof middle fiberboard.
It should be noted that, the utility model discloses will first door leaf 2 adopts first metal sheet 21, first inner frame 22, first PLASTIC LAMINATED 23 and first well fibreboard 24 to mutually support the realization, when satisfying first door leaf 2 rigidity and intensity demand, can also prevent fires thermal-insulated for guarantee that it can satisfy first-class fire prevention requirement.
In order to facilitate the installation of the fireproof structure, a first door leaf sealing member 25 and a first door leaf installation groove 26 are arranged on the first door leaf 2, the first door leaf sealing member 25 is fixed on the first door leaf 2, and a first door leaf sealing groove 27 is arranged in the first door leaf sealing member.
As shown in fig. 7-8, the second door leaf 3 is connected to the door frame 1, and is matched with the first door leaf 2 to form a closed structure. Specifically, the second door leaf 3 includes the second metal sheet 31, the second inner frame 32, the second PLASTIC LAMINATED 33 and the second well fiberboard 34 that set gradually, wherein, the second metal sheet 31 is located outdoors for the decoration, and it can be for cast aluminum plate or other metal sheet structures, in order to increase the aesthetic property of second metal sheet 31, its surface can also set up patterns such as black sand line, red gold oil.
The second inner frame 32 is a main supporting structure of the second door leaf, and includes second galvanized plates 321 and a second core plate 322 disposed between the adjacent second galvanized plates 321, wherein the second core plate is made of a fireproof material, such as a perlite fireproof material.
The second fireproof plate 33 is used for fire prevention and heat insulation, and may be a light calcium fireproof plate, an epoxy resin heat insulation plate, or other plate structures with fire prevention and heat insulation functions.
The second middle fiber board 34 is located in the room, and can be used for fire protection while being used for the device, and can be made of a fire-proof middle fiber board.
It should be noted that, the utility model discloses will fine board 34 mutually supports in second door leaf 3 adopts second metal sheet 31, second inner frame 32, second PLASTIC LAMINATED 33 and the second and realizes, when satisfying 3 rigidity of second door leaf and intensity demand, can also prevent fires thermal-insulated for guarantee that it can satisfy first-class fire prevention requirement.
In order to facilitate the implementation of fire resistive construction's installation, be equipped with second door leaf sealing member 35 and second door leaf mounting groove 36 on the second door leaf 3, second door leaf sealing member 35 is fixed in on the second door leaf 3, and be equipped with second door leaf seal groove 37 in it.
The waterproof structures 4 are used for achieving fire prevention, expand when meeting heat, achieve sealing, and prevent smoke and hot gas from leaking, are three in number and are respectively located between the door frame 1 and the first door leaf 2, between the first door leaf 2 and the second door leaf 3, and between the door frame 1 and the second door leaf 3.
Specifically, fire resistive construction 4 includes first fire resistive construction 41, second fire resistive construction 42 and third fire resistive construction 43, wherein, as shown in fig. 9, first fire resistive construction 41 is located indoorly, and it is a body structure, imbeds in first door leaf seal groove 27, second door leaf seal groove 37 or door frame seal groove 14, including first inflation portion 411 and first sealing 412, for guaranteeing the fastness of first fire resistive construction 41 installation, still be equipped with first barb structure 413 around the first inflation portion 411, after first fire resistive construction 41 installs and accomplishes, first barb structure 413 is in by compression state.
Specifically, the number of the first fireproof structures 41 is three, two of the first fireproof structures are respectively located in the door frame sealing grooves 14 on the left and right sides, and one of the first fireproof structures is located in the second door leaf sealing groove 37.
When first door leaf 2 and second door leaf 3 are closed, first inflation portion 411 embedding inside door frame seal groove 14 and second door leaf seal groove 37, first sealing 412 quilt first door leaf 2 or the extrusion of second door leaf 3 to the realization is sealed, realizes its function of preventing wind, during the conflagration breaing out, first inflation portion 411 thermal expansion fills door frame 1 with be close to the gap of indoor one side between the first door leaf 2 door frame 1 with be close to the gap of indoor one side between the second door leaf 3 and the gap of being close to indoor one side between first door leaf 2 and the second door leaf 3, prevent that flue gas and steam from leaking.
The second fireproof structure 42 is located outdoors, is basically the same as the first fireproof structure 41 in structure, is of an integral structure, is embedded into the first door leaf sealing groove 27 or the second door leaf sealing groove 37, and comprises a second expansion part 421 and a second sealing part 422, in order to ensure the firmness of the installation of the second fireproof structure 42, a second barb structure 423 is further arranged around the second expansion part 421, and after the installation of the second fireproof structure 42 is completed, the second barb structure 423 is in a compressed state.
Specifically, the number of the second fireproof structures 42 is three, two of the second fireproof structures are respectively located in the first door leaf sealing grooves 27 on the left and right sides of the first door leaf 2, and one of the second fireproof structures is located in the second door leaf sealing groove 37.
When first door leaf 2 and second door leaf 3 are closed, second inflation portion 421 imbeds inside first door leaf seal groove 27 and second door leaf seal groove 37, first sealing 412 quilt second door leaf 3 or door frame 1 extrusion to the realization is sealed, realizes its function of preventing wind, during the conflagration breaing out, second inflation portion 421 is heated the inflation, fills door frame 1 with be close to the gap of outdoor one side between the first door leaf 2 door frame 1 with be close to the gap of outdoor one side between the second door leaf 3 and the gap of being close to outdoor one side between first door leaf 2 and the second door leaf 3, prevent that flue gas and steam from leaking.
The third fire prevention structure 43 is located between the first fire prevention structure 41 and the second fire prevention structure 42, is embedded into the first door leaf installation groove 26 and the second door leaf installation groove 36, is made of a fire prevention expansion material, such as a perlite fire prevention material, and is expanded by heating to fill a gap between the door frame 1 and the first door leaf 2, a gap between the door frame 1 and the second door leaf 3, and a gap between the first door leaf 2 and the second door leaf 3, so as to prevent the leakage of smoke and hot air.
Specifically, the number of the third fire prevention structures 43 is four, and the third fire prevention structures 43 are respectively located inside the first door leaf mounting grooves 26 at the two ends of the first door leaf 3 and inside the second door leaf mounting grooves 36 at the two ends of the second door leaf 3, and under a normal state, the third fire prevention structures 43 are embedded inside the first door leaf mounting grooves 26 or the second door leaf mounting grooves 36, so that the opening and closing of the first door leaf 2 and the second door leaf 3 are not affected, and after the third fire prevention structures are heated and expanded, gaps among the door frame 1, the first door leaf 2 and the second door leaf 3 are filled up, and the fireproof and smoke prevention functions of the door frame are realized.
The utility model discloses a first fire resistive construction 41, second fire resistive construction 42 and third fire resistive construction 43 form three protective screens, and flue gas and steam leak and need pass through these three protective screens to improved the fire-proof rank of preventing fire door greatly, through detecting, the utility model discloses a prevent that fire door's fire-resistant time is more than 1.5 hours, has reached first grade fire prevention requirement.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (10)
1. A fireproof door is characterized by comprising a door frame, a first door leaf connected with the door frame, a second door leaf connected with the door frame and a fireproof structure for preventing and insulating fire;
the fireproof structures are arranged in a gap between the door frame and the first door leaf, a gap between the door frame and the second door leaf and a gap between the first door leaf and the second door leaf;
the fireproof structure comprises a first fireproof structure, a second fireproof structure and a third fireproof structure, and the third fireproof structure is positioned between the first fireproof structure and the second fireproof structure;
the door frame comprises a first door frame main body, a second door frame main body and a cold bridge breaking structure positioned between the first door frame main body and the second door frame main body.
2. The fire rated door as recited in claim 1, wherein a gap is provided between the first frame body and the second frame body;
the cold bridge structure is positioned in the gap and is made of light calcium fire-proof plates or fire-proof resin heat-insulating plates.
3. The fire rated door of claim 1, wherein said first door leaf comprises, in order, a first metal sheet, a first inner frame, a first fire shield, and a first medium density fiberboard;
the first inner framework comprises first galvanized plates and a first core plate arranged between the adjacent first galvanized plates, wherein the first core plate is made of fireproof materials;
the first fireproof plate is a light calcium fireproof plate.
4. The fire rated door of claim 1, wherein said second door leaf comprises, in order, a second metal panel, a second inner frame, a second fire shield, and a second medium density fiberboard;
the second inner framework comprises second galvanized plates and a second core plate arranged between the adjacent second galvanized plates, wherein the second core plate is made of fireproof materials;
the second fireproof plate is a light calcium fireproof plate.
5. The fire rated door of claim 1, wherein the door frame is provided with a frame seal groove in a gap between the door frame and the first leaf or a gap between the door frame and the second leaf.
6. The fire rated door of claim 5, wherein said first door leaf has a first door leaf seal and a first door leaf mounting groove, said first door leaf seal being secured to said first door leaf and having a first door leaf seal groove therein;
the first door leaf sealing groove is arranged facing a gap between the first door leaf and the second door leaf or a gap between the first door leaf and the door frame;
the first door leaf mounting groove is arranged facing the second door leaf.
7. The fire door of claim 6, wherein a second door seal and a second door mounting groove are provided on the second door, the second door seal is fixed to the second door, and a second door sealing groove is provided therein;
the second door leaf sealing groove is arranged facing a gap between the second door leaf and the first door leaf or a gap between the second door leaf and the door frame;
the second door leaf mounting groove is arranged facing the first door leaf.
8. The fire rated door of claim 7, wherein said first fire rated structure is a unitary structure including a first inflatable portion and a first sealing portion, said first inflatable portion further having a first barb arrangement disposed therearound;
the number of the first fireproof structures is three, wherein two fireproof structures are respectively positioned in the door frame sealing grooves on the left side and the right side, and one fireproof structure is positioned in the second door leaf sealing groove.
9. The fire rated door as recited in claim 7, wherein the second fire rated structure is a unitary structure including a second intumescent portion and a second sealing portion, the second intumescent portion further having a second barb arrangement disposed therearound;
the number of the second fireproof structures is three, wherein two fireproof structures are respectively positioned in the first door leaf sealing grooves at the left side and the right side of the first door leaf, and one fireproof structure is positioned in the second door leaf sealing groove.
10. The fire rated door as recited in claim 7, wherein the third fire prevention structure is embedded in the first and second door leaf mounting grooves and is made of a fire-proof expansive material;
the number of the third fire prevention structures is four, and the four third fire prevention structures are respectively positioned in the first door leaf mounting grooves at the two ends of the first door leaf and the second door leaf mounting grooves at the two ends of the second door leaf.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021425958.2U CN213627301U (en) | 2020-07-17 | 2020-07-17 | Fire-proof door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021425958.2U CN213627301U (en) | 2020-07-17 | 2020-07-17 | Fire-proof door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213627301U true CN213627301U (en) | 2021-07-06 |
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ID=76643443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021425958.2U Active CN213627301U (en) | 2020-07-17 | 2020-07-17 | Fire-proof door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213627301U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894419A (en) * | 2020-07-17 | 2020-11-06 | 鹤山天山金属材料制品有限公司 | Fire-proof door |
-
2020
- 2020-07-17 CN CN202021425958.2U patent/CN213627301U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894419A (en) * | 2020-07-17 | 2020-11-06 | 鹤山天山金属材料制品有限公司 | Fire-proof door |
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