High-strength steel structure sealing civil air defense door
By adopting a high-strength steel structure seal design in the civil defense door, including reinforcement frame, reinforcement layer and filler, the existing civil defense doors are solved, and higher impact resistance and thermal insulation performance are achieved The sound insulation effect improves the practicality of the door leaf.
Patent Information
- Application Number
- CN202420771439.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-15
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-04-15
AI Technical Summary
The existing civil defense doors have simple and bulky structures, which cannot effectively isolate external high temperatures and noise, and have poor sound insulation and thermal insulation performance, which affects the indoor environment and reduces its practicality.
A high-strength steel structure sealed civil defense door is designed, using a reinforced frame and reinforcement layer in the outer cladding layer to be filled with polyurethane material. By strengthening the combined structure of transverse steel and longitudinal reinforcement ribs, the impact resistance and overall strength are improved. The impact resistance is enhanced by aluminum-plastic board and fiberglass material, and the outer cladding is made of stainless steel and coated with epoxy resin.
It improves the impact resistance and overall strength of the door leaf, reduces weight, enhances fire, heat and sound insulation, reduces the impact on the indoor environment, and improves the practicality of the door leaf.
Smart Images
Figure CN222333607U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of civil air defense engineering, in particular to a high-strength steel structure sealed civil air defense door. Background Art
[0002] Civil defense doors are the doors at the entrances and exits of people's defense projects. There are distinct classifications of civil defense doors, including ordinary single-leaf and double-leaf protective closed doors and closed doors, movable threshold single-leaf and double-leaf protective closed doors and closed doors, and other civil defense equipment. Civil defense is also known as civil defense. Civil defense is an internationally accepted term. It is an activity in which the government mobilizes and organizes the masses to take anti-air raid, disaster resistance and relief measures, implement rescue operations, and prevent and reduce the hazards of disasters. Civil defense doors belong to civil defense protection equipment. Civil defense doors play a role in protecting the lives and property of the masses.
[0003] The existing civil air defense doors have a relatively simple structure, mostly reinforced concrete doors and steel doors, which are relatively bulky and inconvenient for later transportation and installation. During use, they cannot isolate themselves from external high temperatures and noise, and have poor sound insulation and heat insulation performance, which affects the indoor environment and reduces the overall practicality of the civil air defense doors. Utility Model Content
[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:
[0005] A high-strength steel structure sealed civil defense door, including a door leaf and a door frame, wherein the door leaf is movably hinged to the door frame, the door leaf includes an outer covering layer, a reinforcing frame is arranged in the middle of the inner side of the outer covering layer, two reinforcing layers are fixedly installed on the front and rear sides of the reinforcing frame, a filling material is arranged between the two reinforcing layers, and the filling material is filled on the inner side of the reinforcing frame.
[0006] A further improvement of the technical solution of the utility model is that the reinforcement frame includes a steel frame, the steel frame is fixedly connected to the inside of the outer covering layer, the inside of the steel frame is fixedly connected with reinforcing cross steels, the inside of the reinforcing cross steels is fixedly connected with longitudinal reinforcing ribs, and the inner side of the steel frame is fixedly connected with transverse reinforcing ribs.
[0007] A further improvement of the technical solution of the utility model is that: the strengthening layer includes a strengthening layer 1 and a strengthening layer 2, and the strengthening layer 2 is fixedly connected to the outer side of the steel frame.
[0008] A further improvement of the technical solution of the utility model is that the reinforcing cross steels are arranged equidistantly and laterally on the inner side of the steel frame.
[0009] A further improvement of the technical solution of the utility model is that the longitudinal reinforcing ribs penetrate the reinforcing cross steels and are connected to the inner side of the steel frame, the reinforcing cross steels are arranged on the front and rear sides of the longitudinal reinforcing ribs, and the longitudinal reinforcing ribs and the transverse reinforcing ribs are tied and connected.
[0010] A further improvement of the technical solution of the utility model is that: the first reinforcement layer is an aluminum-plastic plate, and the second reinforcement layer is made of glass fiber reinforced plastic.
[0011] A further improvement of the technical solution of the utility model is that the filler is made of polyurethane.
[0012] A further improvement of the technical solution of the utility model is that: the outer covering layer is made of stainless steel, an outer coating is arranged on the outer side of the outer covering layer, and the outer coating is epoxy resin coating.
[0013] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:
[0014] 1. The utility model provides a high-strength steel structure sealed civil air defense door, which is connected to a reinforcement frame through the middle of the outer covering layer and is connected to the outer side of the reinforcement frame through a strengthening layer. By filling the reinforcing frame with filler material, the impact resistance and overall strength of the door leaf are improved while reducing its overall weight, making it more convenient to transport and install.
[0015] 2. The utility model provides a high-strength steel structure sealed civil air defense door, which has good fireproofing, heat insulation and sound insulation effects through filling materials and strengthening layers. The strengthening layer and the filling materials are located in the outer covering layer, which improves the overall heat insulation and sound insulation performance of the door leaf, reduces the impact on the indoor environment, and improves the practicability of the door leaf. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the structure of the high-strength steel structure sealed civil air defense door of the utility model;
[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the door leaf of the utility model;
[0018] Figure 3 It is a structural schematic diagram of the reinforcement frame of the utility model;
[0019] Figure 4 This is a schematic diagram of the structure of the filler of the utility model;
[0020] Figure 5 For the utility model Figure 2 A magnified view of the structure at A.
[0021] In the figure: 1. Door leaf; 11. Outer covering layer; 12. Reinforced frame; 121. Steel frame; 122. Reinforced cross steel; 123. Longitudinal reinforcement ribs; 124. Transverse reinforcement ribs; 13. Strengthening layer; 131. Reinforcement layer one; 132. Reinforcement layer two; 14. Outer coating layer; 15. Filling material; 2. Door frame. DETAILED DESCRIPTION
[0022] The utility model is further described in detail below:
[0023] like Figures 1 to 5 As shown, the utility model provides a high-strength steel structure sealed civil defense door, including a door leaf 1 and a door frame 2, the door leaf 1 and the door frame 2 are movably hinged, the door leaf 1 includes an outer covering layer 11, a reinforcing frame 12 is arranged in the middle of the inner side of the outer covering layer 11, two strengthening layers 13 are fixedly installed on the front and rear sides of the reinforcing frame 12, a filling material 15 is arranged between the two strengthening layers 13, and the filling material 15 is filled on the inner side of the reinforcing frame 12.
[0024] A reinforcing frame 12 is connected to the middle of the outer covering layer 11 and is connected to the outer side of the reinforcing frame 12 through a reinforcing layer 13. By filling a filler 15 in the reinforcing frame 12, the impact resistance and overall strength of the door leaf 1 are improved while reducing its overall weight, making it more convenient to transport and install. At the same time, the filler 15 and the reinforcing layer 13 have good fireproofing, heat insulation and sound insulation effects. The reinforcing layer 13 and the filler 15 are located in the outer covering layer 11, so the overall heat insulation and sound insulation performance of the door leaf 1 is improved, the impact on the indoor environment is reduced, and the practicability of the door leaf 1 is improved.
[0025] like Figure 3 As shown, the reinforcement frame 12 includes a steel frame 121, which is fixedly connected to the inside of the outer covering layer 11, and the inside of the steel frame 121 is fixedly connected with a reinforcing cross steel 122, and the inside of the reinforcing cross steel 122 is fixedly connected with a longitudinal reinforcing rib 123, and the inner side of the steel frame 121 is fixedly connected with a transverse reinforcing rib 124.
[0026] Reinforcing cross steels 122 are arranged between the steel frames 121. The reinforcing cross steels 122 are welded inside the steel frames 121 and longitudinal reinforcing ribs 123 and transverse reinforcing ribs 124 are passed through the steel frames to improve the connection strength between the reinforcing frames 12 and the outer covering layer 11, thereby improving the ability of the door leaf 1 to resist impact.
[0027] like Figure 5 As shown, the strengthening layer 13 includes a strengthening layer 1 131 and a strengthening layer 2 132 , and the strengthening layer 2 132 is fixedly connected to the outer side of the steel frame 121 .
[0028] By arranging the reinforcing layer 1 131 and the reinforcing layer 2 132 on the outside of the reinforcing frame 12 and taking advantage of the good strength, impact resistance and strong impact resistance of the reinforcing layer 13, the overall impact resistance of the door leaf 1 is improved, thereby improving its structural strength.
[0029] like Figure 3 As shown, the reinforcing cross steels 122 are equidistantly arranged laterally on the inner side of the steel frame 121 .
[0030] The longitudinal reinforcing ribs 123 penetrate the reinforcing cross steels 122 and are connected to the inner side of the steel frame 121 . The reinforcing cross steels 122 are arranged on the front and rear sides of the longitudinal reinforcing ribs 123 . The longitudinal reinforcing ribs 123 and the transverse reinforcing ribs 124 are tied and connected.
[0031] Reinforcing cross steels 122 are arranged between the steel frames 121, and the reinforcing cross steels 122 are welded into the steel frames 121 and longitudinal reinforcing ribs 123 and transverse reinforcing ribs 124 are passed through the steel frames for binding and fixing, thereby ensuring the strength of the door leaf 1 and improving its impact resistance.
[0032] like Figure 5 As shown, the first reinforcement layer 131 is an aluminum-plastic plate, and the second reinforcement layer 132 is made of glass fiber reinforced plastic.
[0033] The reinforcing layer 131 is an aluminum-plastic plate with the advantages of strong impact resistance, strong impact resistance and fire resistance. The reinforcing layer 132 is made of fiberglass with excellent strength and rigidity and light weight. The strength of the door leaf 1 is ensured while reducing its weight, making it convenient for transportation and installation.
[0034] like Figure 4 As shown, the filler 15 is made of polyurethane.
[0035] The filling material 15 made of polyurethane is filled and arranged between the reinforcing frames 12, which has good heat insulation, sound insulation, and earthquake resistance performance, thereby improving the heat insulation and sound insulation effects of the door leaf 1, reducing the impact of the indoor environment, and improving practicality.
[0036] like Figure 5 As shown, the outer coating layer 11 is made of stainless steel, and an outer coating layer 14 is provided on the outer side of the outer coating layer 11, and the outer coating layer 14 is epoxy resin paint.
[0037] The outer covering layer 11 is made of stainless steel and the outer coating 14 is made of epoxy resin paint, so that the strength and heat-resistant insulation performance of the door leaf 1 are guaranteed.
[0038] The following is a detailed description of the working principle of the high-strength steel structure sealed civil defense door.
[0039] like Figures 1 to 5As shown, a reinforcing frame 12 connected and fixed to the outer cladding layer 11 is installed inside the outer cladding layer 11, and reinforcing cross steels 122 are arranged between steel frames 121. The reinforcing cross steels 122 are welded inside the steel frames 121 and longitudinal reinforcing ribs 123 and transverse reinforcing ribs 124 are passed through the steel frames for binding and fixing, and the reinforcing layer 13 is fixed from the side. The reinforcing layer 13 includes a reinforcing layer 131 of an aluminum-plastic plate and a reinforcing layer 2 132 of glass fiber reinforced plastic. The reinforcing layer 131 has the advantages of strong impact resistance, high toughness, strong impact resistance and fire resistance. At the same time, it can withstand large loads and pressures and high strength when combined with glass fiber reinforced plastic. It is combined with the filler 15 filled between the reinforcing frames 12, thereby improving the impact resistance and overall strength of the door leaf 1, while reducing its overall weight, making it more convenient to transport and install. The reinforcing layer 13 has a good fireproof line and the filler 15 has good thermal insulation, heat insulation and sound insulation, thereby improving the overall heat insulation and sound insulation of the door leaf 1.
[0040] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.
Claims
1. A high-strength steel structure sealed civil air defense door, comprising a door leaf (1) and a door frame (2), characterized in that: The door leaf (1) is movably hinged to the door frame (2), and the door leaf (1) includes an outer covering layer (11). A reinforcing frame (12) is provided in the middle of the inner side of the outer covering layer (11), and two reinforcing layers (13) are fixedly installed on the front and rear sides of the reinforcing frame (12). A filling material (15) is provided between the two reinforcing layers (13), and the filling material (15) is filled and provided on the inner side of the reinforcing frame (12).
2. The high-strength steel structure sealed civil air defense door according to claim 1, characterized in that: The reinforcement frame (12) comprises a steel frame (121), wherein the steel frame (121) is fixedly connected to the inside of the outer covering layer (11), the inside of the steel frame (121) is fixedly connected to a reinforcement cross steel (122), the inside of the reinforcement cross steel (122) is fixedly connected to a longitudinal reinforcement rib (123), and the inner side of the steel frame (121) is fixedly connected to a transverse reinforcement rib (124).
3. The high-strength steel structure sealed civil air defense door according to claim 2, characterized in that: The strengthening layer (13) comprises a strengthening layer 1 (131) and a strengthening layer 2 (132), and the strengthening layer 2 (132) is fixedly connected to the outer side of the steel frame (121).
4. The high-strength steel structure sealed civil air defense door according to claim 2, characterized in that: The reinforcing cross steels (122) are arranged equidistantly and laterally on the inner side of the steel frame (121).
5. The high-strength steel structure sealed civil air defense door according to claim 2, characterized in that: The longitudinal reinforcing ribs (123) penetrate the reinforcing cross steel (122) and are connected to the inner side of the steel frame (121); the reinforcing cross steel (122) is arranged on the front and rear sides of the longitudinal reinforcing ribs (123); and the longitudinal reinforcing ribs (123) and the transverse reinforcing ribs (124) are tied and connected.
6. The high-strength steel structure sealed civil air defense door according to claim 3, characterized in that: The first reinforcement layer (131) is an aluminum-plastic plate, and the second reinforcement layer (132) is made of glass fiber reinforced plastic.
7. The high-strength steel structure sealed civil air defense door according to claim 6, characterized in that: The filler (15) is made of polyurethane.
8. The high-strength steel structure sealed civil air defense door according to claim 1, characterized in that: The outer coating layer (11) is made of stainless steel, an outer coating layer (14) is provided on the outer side of the outer coating layer (11), and the outer coating layer (14) is an epoxy resin coating.