Building fire-resistant gypsum board

Abstract

The utility model discloses a building fire-resistant gypsum board which comprises a gypsum board body and a metal shell, the gypsum board body is arranged in the metal shell, the gypsum board body is composed of a first gypsum layer, a heat preservation layer and a second gypsum layer, and the first gypsum layer and the second gypsum layer are arranged on the two sides of the heat preservation layer respectively. The metal shell comprises a shell body, the shell body is provided with a containing groove for containing the gypsum board body, two parallel clamping grooves are formed in the positions, located at the containing groove, of the shell body, an inserting groove is formed in one side of the shell body, and a plug matched with the inserting groove is arranged on the other side of the shell body. According to the utility model, the outer side of the gypsum board main body is wrapped with the metal shell, and the metal shell can improve the fire resistance of the gypsum board in a large radian; the fireproof layer is located between the first gypsum layer and the heat preservation layer or located between the second gypsum layer and the heat preservation layer, the fireproof layer is a fireproof cotton layer, and the fireproof performance of the gypsum board is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of gypsum board, and specifically relates to a building fire -resistant gypsum board. BACKGROUND

[0002] Gypsum board is a kind of material made of building gypsum as main raw material.It is a kind of building material with light weight, high strength, thin thickness, convenient processing and good sound insulation, heat insulation and fire resistance, etc., and is one of new light boards currently developed.Gypsum board has been widely used in various buildings such as residential buildings, office buildings, stores, hotels and industrial plants, etc., as interior partition walls, wall facing panels (instead of wall plastering layer), ceiling, sound-absorbing panel, ground base plate and various decorative panels, etc.

[0003] The gypsum board disclosed in the prior art with the publication number CN114671663B and its preparation method, the gypsum board includes a gypsum core, the gypsum core is provided with a first reinforcing rib and a second reinforcing rib, the first reinforcing rib and the second reinforcing rib are cross arranged, the first reinforcing rib is close to the top position of the gypsum core, the second reinforcing rib is close to the bottom position of the gypsum core, and the two sides of the gypsum core are provided with facing paper, and the utility model relates to the technical field of building materials.The building fire -resistant gypsum board improves the integrity of the gypsum board by arranging the first reinforcing rib and the second reinforcing rib in the gypsum board, so that the gypsum board is not easy to collapse after cracking, and the waterproof and fireproof facing paper is arranged on the two sides of the gypsum board, so that the facing paper is not easily burned, thereby improving the fire resistance of the gypsum board;The gypsum core of the gypsum board is provided with kaolin and glass fiber, the kaolin can absorb a large amount of heat to play a flame-retardant role, and the internal glass fiber improves the breaking load to ensure the stability of the gypsum board.

[0004] Although the prior art improves the fire resistance of the gypsum board to a certain extent by using glass fiber, the fire resistance is limited, and in order to improve the fire resistance of the gypsum board, UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of building fire -resistant gypsum board to solve the problems in prior art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of building fire -resistant gypsum board, including gypsum board main part and metal shell, the metal shell is provided with gypsum board main part, the gypsum board main part is composed of first gypsum layer, thermal insulation layer and second gypsum layer, the two sides of the thermal insulation layer are respectively provided with first gypsum layer and second gypsum layer;

[0007] The metal shell comprises a shell body provided with a containing groove containing the gypsum board body, two parallel clamping grooves are formed at the containing groove of the shell body, a plug groove is arranged on one side of the shell body, and a plug is arranged on the other side of the shell body and matched with the plug groove.

[0008] Preferably, a plurality of reinforcing protrusions are arranged on the side of the shell body away from the gypsum board body, and the cross-sectional shape of the reinforcing protrusions is triangular, semicircular or rectangular.

[0009] Preferably, the metal shell is an aluminum alloy shell.

[0010] Preferably, the thermal insulation layer is a polyurethane foaming layer.

[0011] Preferably, the fireproof layer is arranged between the first gypsum layer and the thermal insulation layer or between the second gypsum layer and the thermal insulation layer.

[0012] Preferably, the fireproof layer is a fireproof cotton layer.

[0013] Compared with the prior art, the gypsum board has the advantages that:

[0014] 1. The metal shell is wrapped outside the gypsum board body, so that the metal shell can greatly improve the fire resistance of the gypsum board; the fireproof layer is arranged between the first gypsum layer and the thermal insulation layer or between the second gypsum layer and the thermal insulation layer, and the fireproof layer is a fireproof cotton layer, so that the fire resistance of the gypsum board is further improved.

[0015] 2. The plug groove is arranged on one side of the shell body, and the plug is arranged on the other side of the shell body and matched with the plug groove, so that the adjacent gypsum boards can be inserted and connected through the plug groove and the plug, and the gap between the adjacent gypsum boards is solved to a certain extent.

[0016] 3. The metal shell improves the strength and impact resistance of the gypsum board to a certain extent, and the reinforcing protrusions are arranged on the side of the shell body away from the gypsum board body, so that the strength of the board is improved. DETAILED DESCRIPTION

[0017] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings:

[0018] Figure 1 is a structural schematic view of the present application;

[0019] Figure 2 is a structural schematic view of the gypsum board body of the present application;

[0020] Figure 3 is a structural schematic view of the metal shell of the utility model;

[0021] Figure 4 is the utility model Figure 3 a structural schematic view of the bottom perspective view;

[0022] Figure 5 is a structural schematic view of the front view of the metal shell of the utility model.

[0023] In the drawing: 1, gypsum board main body; 2, metal shell; 101, first gypsum layer; 102, heat preservation layer; 103, second gypsum layer; 201, shell main body; 202, accommodating groove; 203, clamping groove; 204, reinforcing protrusion; 205, insertion slot; 206, plug. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model.

[0025] Please refer to Figures 1-5 In the embodiments of the utility model, a building fire-resistant gypsum board comprises a gypsum board main body 1 and a metal shell 2. The metal shell 2 is made of an aluminum alloy shell. The metal shell 2 is provided with the gypsum board main body 1. The metal shell 2 can greatly improve the fire resistance of the gypsum board by wrapping the gypsum board main body 1 outside. The gypsum board main body 1 is composed of a first gypsum layer 101, a heat preservation layer 102 and a second gypsum layer 103. The heat preservation layer 102 is provided with the first gypsum layer 101 and the second gypsum layer 103 on both sides. The heat preservation layer 102 is made of a polyurethane foaming layer. The polyurethane foaming heat preservation layer 102 improves the heat preservation effect of the gypsum board.

[0026] It also comprises a fireproof layer between the first gypsum layer 101 and the heat preservation layer 102 or between the second gypsum layer 103 and the heat preservation layer 102. The fireproof layer is made of a fireproof cotton layer. The fireproof cotton layer further improves the fire resistance of the gypsum board.

[0027] The metal shell 2 includes a shell body 201 provided with a containing groove 202 containing the gypsum board body 1, two parallel clamping grooves 203 are arranged at the containing groove 202 of the shell body 201, a plug groove 205 is arranged at one side of the shell body 201, a plug 206 matched with the plug groove 205 is arranged at the other side of the shell body 201, the adjacent gypsum boards can be inserted through the plug groove 205 and the plug 206, and the gap problem between the adjacent gypsum boards is solved to a certain extent, a plurality of parallel reinforcing protrusions 204 are arranged at the side of the shell body 201 away from the gypsum board body 1, and the reinforcing protrusions 204 improve the strength of the board.

[0028] The working principle of the utility model is: the metal shell 2 improves the strength and impact resistance of the gypsum board to a certain extent, a plurality of parallel reinforcing protrusions 204 are arranged at the side of the shell body 201 away from the gypsum board body 1, and the reinforcing protrusions 204 improve the strength of the board; the metal shell 2 is wrapped outside the gypsum board body 1, the metal shell 2 can greatly improve the fire resistance of the gypsum board, the fireproof layer is arranged between the first gypsum layer 101 and the heat preservation layer 102 or between the second gypsum layer 103 and the heat preservation layer 102, the fireproof layer is made of fireproof cotton layer, the fire resistance of the gypsum board is further improved by using the fireproof cotton layer, a plug groove 205 is arranged at one side of the shell body 201, a plug 206 matched with the plug groove 205 is arranged at the other side of the shell body 201, the adjacent gypsum boards can be inserted through the plug groove 205 and the plug 206, and the gap problem between the adjacent gypsum boards is solved to a certain extent.

[0029] Finally, it should be noted that: the above only for preferred embodiments of the utility model have described, and do not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A construction fire resistant gypsum board, characterized by: The gypsum board body (1) and the metal shell (2) are included, the metal shell (2) is provided with the gypsum board body (1) inside, the gypsum board body (1) is composed of the first gypsum layer (101), the heat preservation layer (102) and the second gypsum layer (103), the heat preservation layer (102) is provided with the first gypsum layer (101) and the second gypsum layer (103) respectively on both sides. The metal shell (2) includes the shell body (201), the shell body (201) is provided with the containing groove (202) containing the gypsum board body (1), the shell body (201) is provided with two parallelly arranged clamping grooves (203) at the containing groove (202), one side of the shell body (201) is provided with the insertion slot (205), the other side of the shell body (201) is provided with the plug (206) matched with the insertion slot (205).

2. A building fire resistant gypsum board according to claim 1, characterized in that: The shell body (201) is provided with a plurality of parallelly arranged reinforcing protrusions (204) on the side away from the gypsum board body (1), and the cross-sectional shape of the reinforcing protrusion (204) is triangular, semicircular or rectangular.

3. A building fire resistant gypsum board according to claim 1 or 2, characterized in that: The metal shell (2) adopts an aluminum alloy shell.

4. A building fire resistant gypsum board according to claim 1, characterized in that: The heat preservation layer (102) adopts a polyurethane foaming layer.

5. A building fire resistant gypsum board according to claim 1 or 4, characterized in that: It also includes a fireproof layer, which is located between the first gypsum layer (101) and the heat preservation layer (102) or between the second gypsum layer (103) and the heat preservation layer (102).

6. A building fire resistant gypsum board according to claim 5, characterized in that: The fireproof layer adopts a fireproof cotton layer.

Images