High-strength pressure-resistant foamed cement board

Abstract

The utility model discloses a high-strength pressure-resistant foaming cement board which comprises a pressure-resistant shell, the pressure-resistant shell comprises an outer layer and an inner layer, limiting plates are arranged on the two faces of the pressure-resistant shell, an outer foaming cement board is arranged in the outer layer, and a protruding part is arranged above the outer foaming cement board; the utility model has the beneficial effects that the original single foaming cement board is divided into a plurality of layers which are combined, the rigidity is enhanced through the protection of the pressure-resistant shell, and the pressure-resistant and protection of the outside are realized through the pressure-resistant shell.

Description

Technical Field

[0001] The utility model relates to the field of foamed cement board production, in particular to a high-strength pressure-resistant foamed cement board. Background Art

[0002] Foamed cement board is a lightweight building material made of cement, foaming agent and other additives. It has the advantages of light weight, heat insulation, sound insulation, fire resistance and earthquake resistance. It is widely used in building walls, roofs, floors and partitions. Foamed cement board has low density and good heat insulation performance, which can reduce the weight of the building and improve the earthquake resistance of the building. At the same time, it also has good fire resistance and can effectively prevent the spread of fire. Therefore, foamed cement board has been widely used in the construction industry.

[0003] However, foamed cement board is made by adding foaming agent to cement gypsum. The foaming agent will produce a large number of bubbles, making the density of the cement board lower. Low density means that the material is relatively light and the strength will be reduced accordingly. Due to the effect of the foaming agent, a large number of pores and gaps will be generated in the foamed cement board, resulting in a high porosity of the material. The high porosity will make the structure of the material not tight enough, and its compressive strength and compressive resistance are relatively low. When subjected to external pressure, the foamed cement board is prone to compression deformation or damage. Summary of the invention

[0004] 1. Technical issues to be solved

[0005] The technical problem to be solved by the utility model is that the foamed cement board is made by adding a foaming agent to cement gypsum, and has a high porosity, which makes the structure of the material not tight enough, and its compressive strength and compressive resistance are relatively low. When subjected to external pressure, the foamed cement board is easily compressed, deformed or damaged.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-strength pressure-resistant foamed cement board, comprising a pressure-resistant outer shell, the pressure-resistant outer shell comprising an outer layer and an inner layer, limit plates are provided on both sides of the pressure-resistant outer shell, an outer foamed cement board is provided in the outer layer, a raised portion is provided above the outer foamed cement board, the raised portion is provided between the limit plates, an inner foamed cement board is provided in the inner layer, a fixing plate is provided on one side of the pressure-resistant outer shell, a locking bolt is provided on the fixing plate, a threaded hole is provided on one side of the pressure-resistant outer shell close to the fixing plate, and an adhesive layer is provided on one side of the fixing plate close to the pressure-resistant outer shell.

[0008] Furthermore, the outer foamed cement board is made of the same material as the inner foamed cement board, and the outer foamed cement board is thicker than the inner foamed cement board.

[0009] Furthermore, the number of the outer foamed cement board and the inner foamed cement board is at least two.

[0010] Furthermore, the pressure-resistant shell is made of aluminum, the outer layer is outwardly open, and the inner layer is closed.

[0011] Furthermore, the limiting plate is L-shaped, and the external foamed cement board is arranged between the limiting plate and the outer layer.

[0012] Furthermore, the fixing plate is fixedly connected to the pressure-resistant shell by bolts, and a surface of the fixing plate close to the adhesive layer is a rough surface.

[0013] Furthermore, the fixing plate is made of a plastic plate, and a surface of the fixing plate away from the pressure-resistant shell is affixed with hard rubber.

[0014] Furthermore, the surface of the pressure-resistant shell is sprayed with an anti-corrosion coating and an anti-oxidation coating.

[0015] (III) Beneficial effects

[0016] The original single foamed cement board is divided into multiple layers and merged. The pressure-resistant shell is used to protect and enhance the rigidity in between, while the pressure-resistant shell is used to resist and protect the outside, which greatly improves the pressure resistance and strength. At the same time, the flame retardant and thermal insulation functions of the foamed cement board are taken into account. The internal body still retains the advantages of the foamed cement board. When subjected to external pressure and impact, the foamed cement board as a whole is not easy to deform or damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is an exploded view of the utility model;

[0019] Figure 3 It is a schematic diagram of the pressure-resistant shell structure;

[0020] Markings in the figure: 1-pressure-resistant shell, 2-limiting plate, 3-external foamed cement board, 4-inner foamed cement board, 5-fixing plate, 1a-outer layer, 1b-inner layer, 1c-threaded hole, 3a-protrusion, 5a-locking bolt, 5b-adhesive layer. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0023] See also Figure 1-3 A high-strength pressure-resistant foamed cement board shown in the figure includes a pressure-resistant outer shell 1, the pressure-resistant outer shell 1 includes an outer layer 1a and an inner layer 1b, limit plates 2 are provided on both sides of the pressure-resistant outer shell 1, an outer foamed cement board 3 is provided in the outer layer 1a, a protrusion 3a is provided above the outer foamed cement board 3, the protrusion 3a is provided between the limit plates 2, an inner foamed cement board 4 is provided in the inner layer 1b, a fixing plate 5 is provided on one side of the pressure-resistant outer shell 1, a locking bolt 5a is provided on the fixing plate 5, a threaded hole 1c is provided on one side of the pressure-resistant outer shell 1 close to the fixing plate 5, and an adhesive layer 5b is provided on one side of the fixing plate 5 close to the pressure-resistant outer shell 1.

[0024] The outer foamed cement board 3 and the inner foamed cement board 4 are made of the same material. The outer foamed cement board 3 is thicker than the inner foamed cement board 4. The main body of the foamed cement board is divided into multiple layers, and a pressure-resistant outer shell 1 is inserted therein for wrapping, so that the internal structural stability is enhanced, while the external protection and pressure resistance are improved.

[0025] There are at least two outer foamed cement boards 3 and inner foamed cement boards 4, which are wrapped in a multi-layer structure and alternate with the structure of the pressure-resistant shell 1, so that the single layer will not cause excessive hardness or brittleness, but the foamed cement boards and the pressure-resistant shell are complementary in layering.

[0026] The pressure-resistant shell 1 is made of aluminum, the outer layer 1a is outward-opening, and the inner layer 1b is closed. The pressure-resistant shell 1 has good pressure resistance and stability, and has high corrosion resistance. When used in the construction industry, it can extend the service life of the foamed cement board body. The outer layer 1a is outward-opening, and the external foamed cement board 3 can be in contact with the outside world to a large extent, giving full play to the architectural advantages of the foamed cement board. At the same time, the frame adopts the pressure-resistant shell 1 to improve the strength and pressure resistance.

[0027] The limiting plate 2 is L-shaped, and the external foamed cement board 3 is arranged between the limiting plate 2 and the outer layer 1a. The limiting plate 2 is used to fix the external foamed cement board 3, and the inner layer 1b is a rectangular closed shape for inserting the internal foamed cement board. The limiting plate 2 fixes the external foamed cement board 3 in the outer layer 1a through its L-shaped structure, and makes the raised part 3a of the external foamed cement board 3 engage with the limiting plate 2 while being able to contact with the outside world, so that the main body of the foamed cement board is flat.

[0028] The fixing plate 5 is fixedly connected to the pressure-resistant shell 1 by bolts, and the side of the fixing plate 5 close to the adhesive layer 5b is a rough surface. The pressure-resistant shell 1 is provided with a threaded hole 1c, and the fixing plate 5 is provided with a locking bolt 5a. When the outer foamed cement board 3 and the inner foamed cement board 4 are inserted into the pressure-resistant shell 1, the foamed cement board 3 and the inner foamed cement board 4 enter the outer layer 1a and the inner layer 1b respectively, and align the two ends. At this time, the fixing plate 5 is bolted to the pressure-resistant shell 1 at one end with the threaded hole 1c. The inner surface of the fixing plate 5 has an adhesive layer 5b, and the adhesive layer 5b is in contact with the foamed cement board for bonding at this time, and the bonding is made stronger by manually pressing the foamed cement board.

[0029] The fixing plate 5 is made of a plastic plate to reduce the overall weight and has high stability. A hard rubber is attached to the side of the fixing plate 5 away from the pressure-resistant shell 1, and the rubber is used for protection when a side impact occurs.

[0030] The surface of the pressure-resistant shell 1 is sprayed with an anti-corrosion coating and an anti-oxidation coating to enhance the surface anti-corrosion and anti-oxidation capabilities, which are combined with the corrosion resistance of the pressure-resistant shell 1 itself.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0032] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A high-strength pressure-resistant foamed cement board, characterized in that: The invention comprises a pressure-resistant shell (1), wherein the pressure-resistant shell (1) comprises an outer layer (1a) and an inner layer (1b), wherein limit plates (2) are arranged on both sides of the pressure-resistant shell (1), wherein an outer foamed cement board (3) is arranged in the outer layer (1a), wherein a protrusion (3a) is arranged above the outer foamed cement board (3), wherein the protrusion (3a) is arranged between the limit plates (2), wherein an inner foamed cement board (4) is arranged in the inner layer (1b), wherein a fixing plate (5) is arranged on one side of the pressure-resistant shell (1), wherein a locking bolt (5a) is arranged on the fixing plate (5), wherein a threaded hole (1c) is arranged on one side of the pressure-resistant shell (1) close to the fixing plate (5), and wherein an adhesive layer (5b) is arranged on one side of the fixing plate (5) close to the pressure-resistant shell (1).

2. The high-strength pressure-resistant foamed cement board according to claim 1, characterized in that: The outer foamed cement board (3) and the inner foamed cement board (4) are made of the same material, and the outer foamed cement board (3) is thicker than the inner foamed cement board (4).

3. The high-strength pressure-resistant foamed cement board according to claim 2, characterized in that: The number of the outer foamed cement board (3) and the inner foamed cement board (4) is at least two.

4. The high-strength pressure-resistant foamed cement board according to claim 1, characterized in that: The pressure-resistant shell (1) is made of aluminum, the outer layer (1a) is outwardly open, and the inner layer (1b) is closed.

5. The high-strength pressure-resistant foamed cement board according to claim 1, characterized in that: The limiting plate (2) is L-shaped, and the external foamed cement board (3) is arranged between the limiting plate (2) and the outer layer (1a).

6. The high-strength pressure-resistant foamed cement board according to claim 1, characterized in that: The fixing plate (5) is fixedly connected to the pressure-resistant casing (1) by means of bolts, and a surface of the fixing plate (5) close to the adhesive layer (5b) is a rough surface.

7. The high-strength pressure-resistant foamed cement board according to claim 1, characterized in that: The fixing plate (5) is made of a plastic plate, and a hard rubber is attached to a side of the fixing plate (5) away from the pressure-resistant casing (1).

8. The high-strength pressure-resistant foamed cement board according to claim 1, characterized in that: The surface of the pressure-resistant shell (1) is sprayed with an anti-corrosion coating and an anti-oxidation coating.

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