CN214886545U - High-strength light civil air defense door plate and civil air defense door leaf - Google Patents
High-strength light civil air defense door plate and civil air defense door leaf Download PDFInfo
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- CN214886545U CN214886545U CN202121164294.3U CN202121164294U CN214886545U CN 214886545 U CN214886545 U CN 214886545U CN 202121164294 U CN202121164294 U CN 202121164294U CN 214886545 U CN214886545 U CN 214886545U
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- air defense
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Abstract
The utility model discloses a high-strength light civil air defense door plate and a civil air defense door leaf, wherein the civil air defense door plate comprises a protective layer, a metal reinforcing rib and a reinforcing layer, wherein the reinforcing layer is arranged in the middle, the protective layer is wrapped outside the reinforcing layer, and at least two metal reinforcing ribs are arranged in the reinforcing layer; the metal reinforcing ribs are metal nets with the mesh hole diameter of 5-10mm, the reinforcing layer is made of high-strength polyurethane urea materials, and the protective layer is made of explosion-proof polyurethane urea materials. The civil air defense door leaf is formed by embedding an outer frame into an iron sheet layer after covering a civil air defense door plate and fixing the civil air defense door leaf by a sealing strip. The civil air defense door plate and the door leaf not only have the characteristic of high strength, but also have the advantage of light weight, and are ideal plates of the civil air defense door.
Description
Technical Field
The utility model relates to a civil air defense engineering technical field, concretely relates to high strength light civil air defense door plant and civil air defense door leaf.
Background
With the development of national economy and civil air defense engineering construction, in the aspect of building new civil buildings in cities, a large number of air defense basements are built according to relevant national regulations, and the usage amount of protective equipment of the civil air defense engineering is increased dramatically.
The traditional civil air defense door is mainly a reinforced concrete door and a steel door, has the defects of thickness, weight, thickness and size, and is more inconvenient for later transportation and installation work; in addition, the maintenance costs are high in the later period. Therefore, the development of a new high-light civil defense door is particularly important for the civil defense industry of China.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high strength light people's air defense door plant not only has the characteristics of high strength, still has the advantage of matter light concurrently.
The detailed technical scheme of the utility model is as follows:
a high-strength light civil air defense door plate comprises a protective layer, metal reinforcing ribs and a reinforcing layer, wherein the reinforcing layer is arranged in the middle, the protective layer is wrapped outside the reinforcing layer, and at least two metal reinforcing ribs are arranged in the reinforcing layer; the metal reinforcing ribs are metal nets with the mesh hole diameter of 5-10mm, the reinforcing layer is made of high-strength polyurethane urea materials, and the protective layer is made of explosion-proof polyurethane urea materials.
The high-strength polyurethane urea material is special polyurethane urea reinforced by high-strength fibers (alkali-free glass fibers, aramid fibers and the like), and can be selected from polyurethane polyurea Hyperlast 85AK and the like of the Dow company.
The anti-explosion polyurethane urea is special polyurea coating suitable for the anti-explosion and anti-explosion field, has waterproof, wear-resisting, anti-skidding, damping and impact-resisting properties, protects the surfaces of concrete, steel plates and most non-metallic materials, and has excellent anti-tearing performance and long-acting use characteristic. The explosion-proof polyurea material can be specifically selected from LF-580 polyurea explosion-proof material of Nanjing blue wind new material science and technology Limited, RPUA-G-03-3 polyurea explosion-proof and explosion-proof protective coating of Shanghai Rui-Yi polyurethane science and technology Limited, explosion-proof polyurea of Shanghai Chuanhuo and the like.
Optionally or preferably, in the high-strength light civil air defense door panel, the reinforcement layer is formed by spraying a high-strength polyurethane urea material on the surface of the metal reinforcing rib, and the protection layer is formed by spraying an explosion-proof polyurethane urea material on the surface of the reinforcement layer.
Optionally or preferably, the high-strength lightweight civil air defense door panel has a thickness of 5-30 mm.
Optionally or preferably, the thickness of the protective layer of the high-strength light-weight civil air defense door panel is 100 mm and 500 mm.
A high-strength light civil air defense door leaf comprises any one of the civil air defense door leaf, an outer frame, an iron sheet layer, a sealing strip and a pressing strip; the iron sheet layer is coated on the outer surface of the civil air defense door sheet to form a packaging door sheet; the outer frame is a rectangular steel frame, the inner wall of the outer frame is provided with an embedding groove, the width of the embedding groove is gradually increased from bottom to top, and the width of the bottom of the embedding groove is matched with the thickness of the packaging door plate; one side of the sealing strip is provided with a sharp corner; the packaging door plate is arranged in the embedding groove of the outer frame, one side of the sharp corner of the sealing strip is inserted into a gap between the embedding groove and the packaging door plate, and the sealing strip is compressed by the pressing strip to realize sealing.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the civil air defense door plate adopts the anti-explosion polyurea as the protective layer on the outermost layer, and has excellent anti-explosion performance;
2. the high-strength polyurea is adopted as the main material of the board surface, so that the strength requirement of the material is ensured, and the board has the characteristic of light weight;
3. the metal net is used as a reinforcing rib, so that the strength of the board surface is further improved.
4. The door leaf forms the packing door plant through the coating people's air defense door plant of lagging cover layer cladding, and the people's air defense door plant of being convenient for is under construction and is maintained, inlays the groove of inlaying of packing door plant in addition and is trapezoidal widening, and sealing strip one side area closed angle for gap department is convenient for the sealing strip to insert and compress tightly after the installation is inlayed, simple to operate, and can play sealed effect better.
Drawings
FIG. 1 is a schematic sectional view of a high-strength lightweight civil air defense door panel;
fig. 2 is a schematic sectional view of a high-strength lightweight civil air defense door leaf.
In the figure:
1. the protective layer 2, the reinforcing layer 3, the metal reinforcing rib, 4, the outer frame, 5, the embedding groove, 6, the sealing strip and 7, the pressing strip.
Detailed Description
The technical solutions of the present invention are clearly and specifically explained and illustrated in the following figures and embodiments so that those skilled in the art can better understand the present invention and implement the present invention.
Referring to fig. 1, the door sheet is a high-strength light-weight civil air defense door sheet, and the door sheet sequentially includes a reinforcing layer 2 and a protective layer 1 from inside to outside, that is, the protective layer 1 is wrapped on the outer surfaces of both sides of the reinforcing layer 2, and at least two metal reinforcing ribs 3 are arranged in the reinforcing layer 2.
Wherein, the thickness of the reinforcement layer 2 is between 100 and 500mm, and the special polyurethane urea reinforced by high-strength fiber, namely the high-strength polyurethane urea, has high strength and light weight.
The metal reinforcing ribs 3 are metal nets with the diameter of meshes ranging from 5 mm to 10mm, and the strength of the door plate can be obviously improved.
The thickness of the protective layer is 5-10mm, and the used material is explosion-proof polyurethane urea which has excellent explosion-proof performance.
When the artificial air defense door is manufactured, a plurality of metal reinforcing ribs 3 are arranged and fixed in parallel, then high-strength polyurethane urea materials are sprayed on the surfaces of the metal reinforcing ribs 3 until the metal reinforcing ribs are completely covered to form the reinforcing layer 2, finally, the anti-explosion polyurethane urea coatings are sprayed on the surfaces of the front surface and the back surface of the reinforcing layer 2 to form the protective layer 1, and the manufacturing of the artificial air defense door is completed.
When the civil air defense door leaf is assembled, the surface of the civil air defense door leaf is coated with an iron sheet layer to form a packaging door leaf, the packaging door leaf is arranged in an embedding groove of the outer frame, after the packaging door leaf is arranged, one side of the sealing strip with the sharp corner is inserted into a gap between the embedding groove and the packaging door leaf, the sealing strip is pressed downwards, and finally the sealing strip is pressed tightly by a pressing strip, and the pressing strip is fixed by a bolt. The bolt for fixing the pressing strip can be applied to the door leaf and the outer frame, or can be respectively applied to the door leaf and the outer frame through a pressing plate, and the pressing strip is pressed by the pressing plate.
The civil air defense door plate with the structure has the characteristics of high strength and light weight, is an ideal plate of the civil air defense door, and the civil air defense door prepared by the plate can meet the diversified demands of the current civil air defense door and is a great progress in the field of the civil air defense door.
The inventive concept is explained in detail herein using specific examples, and the above description of the embodiments is only used to help understand the core idea of the present invention. It should be understood that any obvious modifications, equivalents and other improvements made by those skilled in the art without departing from the spirit of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The high-strength light civil air defense door sheet is characterized by comprising a protective layer, metal reinforcing ribs and a reinforcing layer, wherein the reinforcing layer is arranged in the middle, the protective layer is wrapped outside the reinforcing layer, and at least two metal reinforcing ribs are arranged in the reinforcing layer; the metal reinforcing ribs are metal nets with the mesh hole diameter of 5-10mm, the reinforcing layer is made of high-strength polyurethane urea materials, and the protective layer is made of explosion-proof polyurethane urea materials.
2. The high-strength lightweight civil air-defense door panel according to claim 1, wherein the reinforcement layer is formed by spraying a high-strength polyurethane urea material on the surface of the metal reinforcing rib, and the protection layer is formed by spraying an explosion-proof polyurethane urea material on the surface of the reinforcement layer.
3. A high strength lightweight civil air defense door panel according to claim 1, characterized in that the thickness of the reinforcing layer is 5-30 mm.
4. The high strength lightweight security door panel according to claim 1, wherein the thickness of the protective layer is 100-500 mm.
5. A high-strength light civil air defense door leaf is characterized by comprising the civil air defense door leaf, an outer frame, an iron sheet layer, a sealing strip and a pressing strip as claimed in any one of claims 1 to 4; the iron sheet layer is coated on the outer surface of the civil air defense door sheet to form a packaging door sheet; the outer frame is a rectangular steel frame, the inner wall of the outer frame is provided with an embedding groove, the width of the embedding groove is gradually increased from bottom to top, and the width of the bottom of the embedding groove is matched with the thickness of the packaging door plate; one side of the sealing strip is provided with a sharp corner; the packaging door plate is arranged in the embedding groove of the outer frame, one side of the sharp corner of the sealing strip is inserted into a gap between the embedding groove and the packaging door plate, and the sealing strip is compressed by the pressing strip to realize sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121164294.3U CN214886545U (en) | 2021-05-27 | 2021-05-27 | High-strength light civil air defense door plate and civil air defense door leaf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121164294.3U CN214886545U (en) | 2021-05-27 | 2021-05-27 | High-strength light civil air defense door plate and civil air defense door leaf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214886545U true CN214886545U (en) | 2021-11-26 |
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ID=78901201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121164294.3U Active CN214886545U (en) | 2021-05-27 | 2021-05-27 | High-strength light civil air defense door plate and civil air defense door leaf |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214886545U (en) |
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2021
- 2021-05-27 CN CN202121164294.3U patent/CN214886545U/en active Active
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