Steel structure single-leaf door with good fireproof performance
By using multi-layer fireproof materials and hollow fireproof insulation panels filled with water in steel structure doors, the problem of insufficient fireproof and thermal insulation performance of existing steel structure doors is solved, and better fire barrier and heat isolation effects are achieved.
Patent Information
- Application Number
- CN202420805120.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-18
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-04-18
AI Technical Summary
The fireproof and thermal insulation performance of existing steel structure doors still needs to be improved, and it is difficult to effectively block the fire and heat when a fire occurs.
The main body of the steel structure door consisting of No. 1 steel plate, rock wool layer, aluminum silicate cotton layer, perlite fireproof plate layer, mineral wool plate layer and No. 2 steel plate is used, and a hollow fireproof and heat insulation plate with a hollow structure is installed in the main body of the door, and the fireproof and heat insulation plate is filled with water.
It significantly improves the fireproof and thermal insulation performance of steel structure doors, allowing the door main body to effectively block the fire and heat when a fire occurs, and improves the practicality of the door.
Smart Images

Figure CN222615202U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of steel structure doors, in particular to a steel structure single-leaf door with good fireproof performance. Background Art
[0002] Steel structure doors are doors made of steel materials and are widely used in industrial buildings, civil buildings and other fields. The advantages of steel structure doors include high strength, good fire resistance, and easy maintenance. Steel, as its main material, has excellent load-bearing capacity and stability, and can withstand greater pressure and impact. In addition, steel structure doors are usually equipped with fireproof materials and sealing strips to improve their fire resistance and thermal insulation performance. These doors are also easy to clean and maintain, and can maintain their appearance and functions for a long time. The steel structure door with fireproof performance is a door that can meet the requirements of fire resistance stability, integrity and thermal insulation for a certain period of time. In addition to the functions of ordinary doors, this door has the function of preventing the spread of fire and smoke. It can prevent the spread of fire for a certain period of time and ensure the evacuation of personnel.
[0003] In the existing patent application with application number CN202122346693.8, a steel structure door with good fire resistance is proposed. Although the first steel plate, the second steel plate and the first fire retardant coating and the second fire retardant coating of the steel structure door can improve the fire resistance of the steel structure door to a certain extent, and the heat insulation layer can prevent heat transmission to a certain extent, its fire resistance and heat insulation performance still need to be improved. Therefore, a steel structure single door with good fire resistance is needed. Utility Model Content
[0004] The main purpose of the utility model is to provide a steel structure single-leaf door with good fireproof performance, which can effectively solve the problems in the background technology.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0006] A steel structure single door with good fireproof performance comprises a steel structure door body, a fireproof heat insulation board is installed in the steel structure door body, the fireproof heat insulation board is a hollow structure, and the fireproof heat insulation board is filled with water, the steel structure door body is composed of a No. 1 steel plate, a rock wool layer, an aluminum silicate wool layer, a perlite fireproof board layer, a mineral wool board layer and a No. 2 steel plate, and the rock wool layer, the aluminum silicate wool layer, the perlite fireproof board layer and the mineral wool board layer are all located between the No. 1 steel plate and the No. 2 steel plate.
[0007] Preferably, the steel structure door body is installed on the door frame structure through hinges.
[0008] Preferably, an installation fixing groove is provided in the steel structure door body.
[0009] Preferably, the fireproof heat insulation board is fixedly installed in a mounting and fixing groove opened in the steel structure door body.
[0010] Preferably, the rock wool layer is fixedly installed on the inner end of the No. 1 steel plate, and the mineral wool board layer is fixedly installed on the inner end of the No. 2 steel plate.
[0011] Preferably, the aluminum silicate wool layer is fixedly installed on the inner end of the rock wool layer, and the perlite fireproof board layer is fixedly installed on the inner end of the mineral wool board layer, and the aluminum silicate wool layer and the perlite fireproof board layer are fixedly connected.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] By providing a steel structure door body composed of a No. 1 steel plate, a rock wool layer, an aluminum silicate wool layer, a perlite fireproof board layer, a mineral wool board layer and a No. 2 steel plate, and providing a fireproof and heat-insulating board filled with water inside the steel structure door body, the steel structure door body can have better fireproof and heat-insulating properties, thereby ultimately improving the practicality of the steel structure door body. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a cross-sectional view of the steel structure door body and the fireproof heat insulation board of the utility model;
[0015] Figure 2 It is a structural schematic diagram of the steel structure door body and door frame structure of the utility model;
[0016] Figure 3 For the utility model Figure 1 A magnified view of point A;
[0017] Figure 4 It is a structural schematic diagram of the steel structure door body of the utility model.
[0018] In the figure: 1. Steel structure door body; 2. Fireproof and heat insulation board; 3. Door frame structure; 4. Installation and fixing groove; 5. No. 1 steel plate; 6. Rock wool layer; 7. Aluminum silicate wool layer; 8. Perlite fireproof board layer; 9. Mineral wool board layer; 10. No. 2 steel plate. DETAILED DESCRIPTION
[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0020] See also Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, a steel structure single-leaf door with good fire resistance comprises a steel structure door body 1, which is installed on a door frame structure 3 through hinges, an installation fixing groove 4 is opened in the steel structure door body 1, a fireproof heat insulation board 2 is installed in the steel structure door body 1, the fireproof heat insulation board 2 is a hollow structure, and the fireproof heat insulation board 2 is filled with water, and the fireproof heat insulation board 2 is fixedly installed in the installation fixing groove 4 opened in the steel structure door body 1, and the steel structure door body 1 is composed of a No. 1 steel plate 5, a rock wool layer 6, an aluminum silicate wool layer 7, a perlite fireproof board layer 8, a mineral wool board layer 9 and a No. 2 steel plate 10, and the rock wool layer 6, the aluminum silicate wool layer 7, the perlite fireproof board layer 8 and the mineral wool board layer 9 are all located between the No. 1 steel plate 5 and the No. 2 steel plate The steel structure door body 1 is composed of the No. 1 steel plate 5, the rock wool layer 6, the aluminum silicate wool layer 7, the perlite fireproof board layer 8, the mineral wool board layer 9 and the No. 2 steel plate 10, and the fireproof heat insulation board 2 filled with water is arranged in the steel structure door body 1, so that the steel structure door body 1 has better fireproof and heat insulation performance, thereby finally improving the practicality of the steel structure door body 1.
[0021] It should be noted that the utility model is a single-leaf door with a steel structure having good fireproof performance. When in use, the rock wool layer 6 on the steel structure door body 1 has the characteristics of being non-combustible, fireproof, heat-insulating, thermally insulating, and sound-absorbing. The mineral wool board layer 9 has the characteristics of being fireproof, heat-insulating, sound-absorbing, and moisture-proof. The aluminum silicate wool layer 7 has high-temperature stability, excellent thermal insulation performance and corrosion resistance. The perlite fireproof board layer 8 has the characteristics of being fireproof, heat-insulating, thermally insulating, and moisture-proof. The fireproof insulation board 2 filled with water inside can further enhance the fireproof and heat-insulating performance of the steel structure door body 1. Finally, the presence of the rock wool layer 6, the aluminum silicate wool layer 7, the perlite fireproof board layer 8, the mineral wool board layer 9, and the fireproof insulation board 2 can make the steel structure door body 1 have better fireproof and heat-insulating performance, thereby enhancing the practicality of the steel structure door body 1. Finally, the steel structure door body 1 can effectively block fire and heat when a fire occurs.
[0022] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the aforementioned embodiments, it is still possible for a person skilled in the art to modify the technical solutions described in the aforementioned embodiments or to replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model. The protection scope of the utility model is defined by the attached claims and their equivalents.
Claims
1. A steel structure single-leaf door with good fire resistance, comprising a steel structure door body (1), characterized in that: A fireproof heat insulation board (2) is installed in the steel structure door body (1); the fireproof heat insulation board (2) is a hollow structure and is filled with water; the steel structure door body (1) is composed of a No. 1 steel plate (5), a rock wool layer (6), an aluminum silicate wool layer (7), a perlite fireproof board layer (8), a mineral wool board layer (9) and a No. 2 steel plate (10); the rock wool layer (6), the aluminum silicate wool layer (7), the perlite fireproof board layer (8) and the mineral wool board layer (9) are all located between the No. 1 steel plate (5) and the No. 2 steel plate (10).
2. A steel structure single-leaf door with good fire resistance according to claim 1, characterized in that: The steel structure door body (1) is installed on the door frame structure (3) via hinges.
3. A steel structure single-leaf door with good fire resistance according to claim 2, characterized in that: An installation and fixing groove (4) is provided in the steel structure door body (1).
4. A steel structure single-leaf door with good fire resistance according to claim 3, characterized in that: The fireproof heat insulation board (2) is fixedly installed in a mounting and fixing groove (4) provided in the steel structure door body (1).
5. A steel structure single-leaf door with good fire resistance according to claim 4, characterized in that: The rock wool layer (6) is fixedly installed on the inner end of the No. 1 steel plate (5), and the mineral wool board layer (9) is fixedly installed on the inner end of the No. 2 steel plate (10).
6. A steel structure single-leaf door with good fire resistance according to claim 5, characterized in that: The aluminum silicate wool layer (7) is fixedly installed on the inner end of the rock wool layer (6), and the perlite fireproof board layer (8) is fixedly installed on the inner end of the mineral wool board layer (9), and the aluminum silicate wool layer (7) and the perlite fireproof board layer (8) are fixedly connected.
Citation Information
Patent Citations
Steel structure door with good fire-resistant effect
CN216341746U