Fabricated cement foam board

By setting mesh holes, bumps and barbs on the body of the cement foam board and laying a grid fiber layer on the surface of the concrete layer, the problem of insufficient adhesion between the foam particle concrete layer and the steel plate is solved, and the adhesion is improved and the safety is enhanced.

CN223075027UActive Publication Date: 2025-07-08HUNAN DIGITAL TECH CO LTD
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Patent Information

Application Number
CN202422366848.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-27
Publication Date
2025-07-08
Estimated Expiration
2034-09-27

AI Technical Summary

Technical Problem

During the use or handling of existing cement foam boards, the adhesion between the foam particle concrete layer and the steel plate is insufficient, which can easily lead to fall off, increase manufacturing costs and pose safety risks.

Method used

Mesh holes and bumps are provided on the body of the cement foam board, barbs are provided on the outer surface of the bumps, barbs are provided in the U-shaped groove, and a grid fiber layer is laid on the surface of the concrete layer, and aluminum-zinc-plated steel core plate material is used to improve adhesion and prevent fall off.

Benefits of technology

It enhances the adhesion between the foam particle concrete layer and the steel plate, prevents falling off, reduces manufacturing costs, improves safety, and enhances thermal insulation performance and facilitates installation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223075027U_ABST
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Abstract

The utility model discloses an assembly type cement foam board, which relates to the technical field of cement foam boards and comprises a body, a first foam particle concrete layer is arranged on the outer surface of the body, a second foam particle concrete layer is arranged on the inner surface of the body, and a plurality of meshes are arranged on the body. The meshes are evenly distributed in the length and width directions of the body, and protruding blocks are arranged at the corresponding positions of the meshes. First barbs are arranged on the outer surfaces of the protruding blocks and used for improving the adhesive force between the outer surface of the body and the first foam particle concrete layer. Two U-shaped grooves extending in the length direction of the body are formed in the two sides of the body, and openings of the U-shaped grooves face the outer surface of the body. A plurality of second barbs are arranged in the U-shaped groove, and the second barbs are uniformly arranged on the side wall of the U-shaped groove; grid fiber layers are laid on the outer surface of the first foam particle concrete layer and the outer surface of the second foam particle concrete layer.
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Description

Technical Field

[0001] The utility model belongs to the technical field of cement foam boards, and particularly relates to an assembled cement foam board. Background Art

[0002] A cement foam board is a cement-based lightweight porous inorganic fireproof and heat-insulating board formed by mixing foam and cement, stirring, pouring, and curing. It uses the non-combustibility of cement and a large number of closed pores in the concrete to achieve the effects of fire prevention, light weight, and heat insulation, and is the best product currently used in fireproof isolation belts. At present, cement foam boards have been widely used in building projects such as large-span industrial factories, warehouses, large locomotive depots, stadiums, exhibition halls, airports, large public facilities, movable houses, residential mezzanines, and external wall insulation of civilian houses.

[0003] However, the cement foam boards in the prior art often have the following technical problems during actual use or handling: the foam particle concrete layer and the steel plate have insufficient adhesion, which is extremely likely to cause the foam particle concrete layer to fall off from the steel plate, and the insulation strips on both sides to fall off, etc., resulting in not only an increase in the manufacturing cost of the cement foam board, but also certain potential safety hazards. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an assembled cement foam board to solve the technical problems in the background art that "the foam particle concrete layer and the steel plate have insufficient adhesion, which is extremely likely to cause the foam particle concrete layer to fall off from the steel plate, and the insulation strips on both sides to fall off, etc., resulting in not only an increase in the manufacturing cost of the cement foam board, but also certain potential safety hazards".

[0005] To achieve the above purpose, the technical solution adopted by the utility model is:

[0006] An assembled cement foam board includes a body. A first foam particle concrete layer is provided on the outer surface of the body, and a second foam particle concrete layer is provided on the inner surface of the body.

[0007] A number of mesh holes are provided on the body. The mesh holes are evenly arranged along the length and width directions of the body, and convex blocks are provided at the corresponding positions of the mesh holes.

[0008] First barbs are provided on the outer surface of the convex blocks, and the first barbs are used to improve the adhesion between the outer surface of the body and the first foam particle concrete layer.

[0009] Two U-shaped grooves extending along the length direction of the body are provided on both sides of the body, and the openings of the U-shaped grooves face the outer surface of the body.

[0010] Second barbs are provided in the U-shaped grooves. The number of the second barbs is several, and they are evenly arranged on the side walls of the U-shaped grooves.

[0011] A grid fiber layer is laid on the outer surfaces of the first foamed particle concrete layer and the second foamed particle concrete layer.

[0012] Beneficial effects of the above technical solution: Compared with the prior art, an assembled cement foam board has several mesh holes on the body, and bumps are provided at the corresponding positions of the mesh holes to ensure an increase in the adhesion between the outer surface of the body and the first foamed particle concrete layer, and prevent the first foamed particle concrete layer from falling off the steel plate; by providing first barbs on the outer surface of the bumps, it further ensures an increase in the adhesion between the outer surface of the body and the first foamed particle concrete layer and further prevents the first foamed particle concrete layer from falling off the steel plate, etc.; by providing second barbs on the side walls of the U-shaped groove, it ensures the prevention of the heat preservation strips on both sides from falling off. By laying grid fiber layers on the outer surfaces of the first foamed particle concrete layer and the second foamed particle concrete layer, it further ensures an increase in the adhesion between the outer surface of the body and the first foamed particle concrete layer, and an increase in the adhesion between the inner surface of the body and the second foamed particle concrete layer; to solve the technical problems of "due to insufficient adhesion between the foamed particle concrete layer and the steel plate, it is extremely easy for the foamed particle concrete layer to fall off the steel plate, and the heat preservation strips on both sides fall off, etc., resulting in not only an increase in the manufacturing cost of the cement foam board, but also certain potential safety hazards, etc.".

[0013] In a preferred solution, a groove extending along the length direction is provided on the inner surface of the body, the opening of the groove faces the inner surface of the body, and the groove is used to improve the adhesion between the inner surface of the body and the second foamed particle concrete layer.

[0014] Beneficial effects of the above technical solution: By providing a groove extending along the length direction on the inner surface of the body, it further increases the adhesion between the inner surface of the body and the second foamed particle concrete layer to prevent the second foamed particle concrete layer from falling off the inner surface of the body, etc.

[0015] In a preferred solution, the bumps are arranged at intervals at the corresponding positions of the mesh holes.

[0016] Beneficial effects of the above technical solution: By arranging the bumps at intervals at the corresponding positions of the mesh holes, it ensures that while increasing the adhesion between the outer surface of the body and the first foamed particle concrete layer, it also reduces the manufacturing cost and lightens the weight of the cement foam board, etc.

[0017] In a preferred solution, the included angle between the bump and the outer surface of the body is 60 - 90°.

[0018] Advantages of the above technical solution: By setting the angle between the bump and the outer surface of the body to be 60-90°, it further ensures to increase the adhesion between the outer surface of the body and the first foamed particle concrete layer, and further prevents the first foamed particle concrete layer from falling off the outer surface of the body, etc.

[0019] Preferably, the angle between the second barb and the inner wall of the U-shaped groove is 20-50°.

[0020] Advantages of the above technical solution: By setting the angle between the second barb and the inner wall of the U-shaped groove to be 20-50°, it further ensures to prevent the heat preservation strips on both sides from falling off the U-shaped groove, etc.

[0021] Preferably, the U-shaped groove is filled with a heat insulation and heat preservation strip.

[0022] Advantages of the above technical solution: By filling the U-shaped groove with a heat insulation and heat preservation strip, it ensures to enhance the heat insulation and heat preservation ability of the cement foam board.

[0023] Preferably, mounting holes are provided on both sides of the outer surface of the body, and the mounting holes are arranged on one side close to the top surface of the U-shaped groove.

[0024] Advantages of the above technical solution: By providing mounting holes on both sides of the outer surface of the body, it ensures that the cement foam board is easy to install.

[0025] Preferably, the body is made of a galvanized-aluminum-zinc steel core plate material.

[0026] Advantages of the above technical solution: By making the body of a galvanized-aluminum-zinc steel core plate material, it ensures the strength of the cement foam board, prevents deformation, etc., and prevents oxidation, corrosion, and rust of the body, which will not only increase its manufacturing cost but also pose certain potential safety hazards and other technical problems. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0028] Figure 1 It is a schematic cross-sectional view of the prefabricated cement foam board provided in Embodiment 1 of the present invention;

[0029] Figure 2 It is a schematic cross-sectional view of the body provided in Embodiment 1 of the present invention;

[0030] Figure 3 Schematic diagram of the overall structure of the main body provided in Embodiment 1 of the present utility model;

[0031] Figure 4 Enlarged schematic diagram of the assembly of the main body, the first barb, and the second barb provided in Embodiment 1 of the present utility model;

[0032] Explanation of reference numerals;

[0033] 1 - Main body; 11 - Mesh holes; 2 - Protrusions; 21 - First barbs; 3 - First foamed granular concrete layer; 4 - Second foamed granular concrete layer; 5 - Grooves; 6 - U-shaped grooves; 61 - Second barbs; 7 - Mesh fiber layer; 8 - Heat insulation and heat preservation strip; 9 - Installation holes. Specific implementation manners

[0034] Embodiment 1

[0035] In order to make the objectives, technical solutions, and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below in conjunction with the embodiments.

[0036] As Figures 1 to 4 shown, a prefabricated cement foam board includes a main body 1. A first foamed granular concrete layer 3 is provided on the outer surface of the main body 1, and a second foamed granular concrete layer 4 is provided on the inner surface of the main body 1.

[0037] A number of mesh holes 11 are provided on the main body 1. The mesh holes 11 are uniformly arranged along the length and width directions of the main body 1, and protrusions 2 are provided at the corresponding positions of the mesh holes 11.

[0038] First barbs 21 are provided on the outer surface of the protrusions 2. The first barbs 21 are used to improve the adhesion between the outer surface of the main body 1 and the first foamed granular concrete layer 3.

[0039] Two U-shaped grooves 6 extending along the length direction of the main body 1 are provided on both sides of the main body 1. The openings of the U-shaped grooves 6 face the outer surface of the main body 1.

[0040] Second barbs 61 are provided in the U-shaped grooves 6. The number of the second barbs 61 is several, and they are uniformly arranged on the side walls of the U-shaped grooves 6.

[0041] A grid fiber layer 7 is laid on the outer surfaces of both the first foamed particle concrete layer 3 and the second foamed particle concrete layer 4; by providing a plurality of mesh holes 11 on the body 1 and providing bumps 2 at the corresponding positions of the mesh holes 11, the adhesion between the outer surface of the body 1 and the first foamed particle concrete layer 3 is ensured to increase, and the first foamed particle concrete layer 3 is prevented from falling off the steel plate; by providing first barbs 21 on the outer surface of the bumps 2, the adhesion between the outer surface of the body 1 and the first foamed particle concrete layer 3 is further ensured to increase and the first foamed particle concrete layer 3 is further prevented from falling off the steel plate, etc.; by providing second barbs 61 on the side walls of the U-shaped groove 6, the heat preservation strips on both sides are prevented from falling off, and by laying a grid fiber layer 7 on the outer surfaces of both the first foamed particle concrete layer 3 and the second foamed particle concrete layer 4, the adhesion between the outer surface of the body 1 and the first foamed particle concrete layer 3 is further ensured to increase, and the adhesion between the inner surface of the body 1 and the second foamed particle concrete layer 4 is increased.

[0042] In this embodiment, a groove 5 extending along the length direction is provided on the inner surface of the body 1, the opening of the groove 5 faces the inner surface of the body 1, and the groove 5 is used to improve the adhesion between the inner surface of the body 1 and the second foamed particle concrete layer 4; by providing a groove 5 extending along the length direction on the inner surface of the body 1, the adhesion between the inner surface of the body 1 and the second foamed particle concrete layer 4 is further increased, and the second foamed particle concrete layer 4 is prevented from falling off the inner surface of the body 1, etc.

[0043] In this embodiment, the bumps 2 are arranged at intervals at the corresponding positions of the mesh holes 11; by arranging the bumps 2 at intervals at the corresponding positions of the mesh holes 11, while ensuring the increase of the adhesion between the outer surface of the body 1 and the first foamed particle concrete layer 3, the manufacturing cost is reduced and the weight of the cement foam board is reduced, etc.

[0044] In this embodiment, the included angle between the bump 2 and the outer surface of the body 1 is 60 - 90°; by setting the included angle between the bump 2 and the outer surface of the body 1 to be 60 - 90°, the adhesion between the outer surface of the body 1 and the first foamed particle concrete layer 3 is further ensured to increase, and the first foamed particle concrete layer 3 is further prevented from falling off the outer surface of the body 1, etc.

[0045] In this embodiment, the included angle between the second barb 61 and the inner wall of the U-shaped groove 6 is 20 - 50°; by setting the included angle between the second barb 61 and the inner wall of the U-shaped groove 6 to be 20 - 50°, the heat preservation strips on both sides are further ensured to be prevented from falling off the U-shaped groove 6, etc.

[0046] In this embodiment, the U-shaped groove 6 is filled with a heat insulation and heat preservation strip 8; by filling the U-shaped groove 6 with a heat insulation and heat preservation strip 8, the heat insulation and heat preservation ability of the cement foam board is ensured to be enhanced.

[0047] In this embodiment, mounting holes 9 are provided on both sides of the outer surface of the body 1, and the mounting holes 9 are arranged on one side close to the top surface of the U-shaped groove 6. By providing the mounting holes 9 on both sides of the outer surface of the body 1, it is ensured that the cement foam board is easy to install.

[0048] In this embodiment, the body 1 is made of a galvanized-aluminum-zinc steel core plate material. By making the body 1 of the galvanized-aluminum-zinc steel core plate material, it is ensured the strength of the cement foam board, preventing deformation and the like, and preventing oxidation, corrosion, and rust of the body, which not only increases its manufacturing cost but also poses certain safety hazards and other technical problems.

[0049] In this embodiment, the bodies 1 are installed by self-tapping screws passing through the mounting holes 9.

[0050] In this embodiment, the second barbs 61 are adapted to the heat insulation and preservation strip 8, so that the second barbs 61 fix the heat insulation and preservation strip 8 firmly in the U-shaped groove 6.

[0051] The specific usage method of the present utility model is as follows:

[0052] Before use: According to the actual usage requirements, construction drawings of the body 1 of the assembled cement foam board are designed, and it is cut to a fixed length on the factory assembly line according to the design drawings, and the steel core plate mold is stamped into shape.

[0053] During use: The heat insulation and preservation strip 8 is filled into the U-shaped groove 6; the mixed foam particle concrete is poured on the outer surface of the body 1, and at the same time, it is vibrated to discharge air bubbles; after pouring is completed, the grid fiber layer 7 is laid on the first foam particle concrete layer 3 on the outer surface of the body 1; then the mixed foam particle concrete is poured into the groove 5 on the inner surface of the body 1, and at the same time, it is vibrated to discharge air bubbles; finally, the grid fiber layer 7 is laid on the second foam particle concrete layer 4 on the inner surface of the body 1.

[0054] During assembly: It is installed by self-tapping screws passing through the mounting holes 9.

[0055] It should be noted that in this article, the term "comprising", "including" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0056] In this article, specific examples are used to elaborate on the principle and implementation manner of the present utility model. The description of the above examples is only used to help understand the method and its core idea of the present utility model.

[0057] The above is only the preferred embodiment of the present utility model. It should be noted that due to the limitation of literal expression, there are objectively infinite specific structures. For those of ordinary skill in the art in this technical field, without departing from the principle of the present utility model, several improvements, refinements or changes can be made, or the above technical features can be combined in an appropriate manner; these improvements, refinements, changes or combinations, or directly applying the concept and technical solution of the utility model to other occasions without improvement, shall all be regarded as the protection scope of the present utility model.

Claims

1. An assembled cement foam board, comprising a body (1), wherein a first foam particle concrete layer (3) is provided on the outer surface of the body (1), and a second foam particle concrete layer (4) is provided on the inner surface of the body (1), and it is characterized in that: A plurality of mesh holes (11) are provided on the body (1), the mesh holes (11) are uniformly arranged along the length and width directions of the body (1), and bumps (2) are provided at corresponding positions of the mesh holes (11); A first barbed wire (21) is provided on the outer surface of the bump (2), and the first barbed wire (21) is used to improve the adhesion between the outer surface of the body (1) and the first foam particle concrete layer (3); Two U-shaped grooves (6) extending along the length direction are provided on both sides of the body (1), and the openings of the U-shaped grooves (6) face the outer surface of the body (1); A second barbed wire (61) is provided in the U-shaped groove (6), the number of the second barbed wires (61) is several, and they are uniformly arranged on the side wall of the U-shaped groove (6); Mesh fiber layers (7) are laid on the outer surfaces of the first foam particle concrete layer (3) and the second foam particle concrete layer (4).

2. The prefabricated cement foam board according to claim 1, wherein: A groove (5) extending along the length direction is provided on the inner surface of the body (1), the opening of the groove (5) faces the inner surface of the body (1), and the groove (5) is used to improve the adhesion between the inner surface of the body (1) and the second foam particle concrete layer (4).

3. The prefabricated cement foam board according to claim 1, characterized in that: The bumps (2) are arranged at intervals at corresponding positions of the mesh holes (11).

4. The prefabricated cement foam board according to claim 1, characterized in that: The included angle between the bump (2) and the outer surface of the body (1) is 60-90°.

5. A prefabricated cement foam board according to claim 1, characterized in that: The included angle between the second barbed wire (61) and the inner wall of the U-shaped groove (6) is 20-50°.

6. The prefabricated cement foam board according to claim 1, characterized in that: The U-shaped groove (6) is filled with a heat insulation and heat preservation strip (8).

7. An assembled cement foam board according to claim 1, characterized in that: Mounting holes (9) are provided on both sides of the outer surface of the body (1), and the mounting holes (9) are arranged on one side close to the top surface of the U-shaped groove (6).

8. The prefabricated cement foam board according to claim 1, wherein: The body (1) is made of a galvanized-aluminum-zinc steel core plate material.