Fiber cement board outer wall corner joint structure

Abstract

The invention discloses a fiber cement board outer wall corner joint structure. The fiber cement board outer wall corner joint structure comprises a wall body; a corner fixing frame is arranged at the corners of the wall body; cement board main bodies are arranged on the two sides of the wall body; fixing devices are arranged at the two ends of each cement board main body; a clamping groove is vertically formed in the corner fixing frame; connecting grooves are formed in the front side and the rear side of the inner surface of the clamping groove; the two ends of the cement board main bodies are inserted into the clamping groove in the corner fixing frame through the fixing devices to be connected and fixed; each fixing device comprises a built-in groove, a clamping block, an extrusion block, a connecting piece, a rotating shaft, a connecting strip, a first movable groove, a second movable groove, a butt joint groove, a bumper bar and a buffering assembly; and a mounting groove is formed in the position, close to one end of the corresponding cement board main body, of the interior of the corresponding clamping block. The structure can prevent a large amount of rainwater from being injected, reduces corrosion damage caused by residual rainwater in the fixing devices, protects the cutting ends of the cement board main bodies, prevents water from entering the cement board main bodies to corrode and damage the cement board main bodies, and prolongs the service life of the device structure.

Description

technical field [0001] The invention relates to the technical field of decoration engineering, in particular to a node structure at the corner of an outer wall of a fiber cement board. Background technique [0002] Fiber cement board is a board made of cement as the basic material and gelling agent, mineral fiber cement and other fibers as reinforcing materials, and through pulping, molding, curing and other processes. It has functions such as fire prevention, waterproof, sound insulation, and heat preservation. Favored by consumers and manufacturers, it is widely used inside and outside various construction sites to increase the overall performance and aesthetics of buildings; [0003] The existing patent (notification number: CN210421502U) is a joint structure at the corner of the outer wall of the fiber cement board. The outer wall of the fiber cement board is composed of two fiber cement boards and a rock wool filling layer between the two fiber cement boards. The fiber ...

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Problems solved by technology

[0004] In the process of realizing the present invention, the inventor found that at least the following problems in the prior art have not been solved: 1. Especially for the construction of the box office in tourist attractions, fiber cement wood grain boards are widely used for the protection and beauty of the exterior walls after construction. For the application of traditional fiber cement wood grain boards, most of them are plate-shaped prefabricated sizes at the beginning of production. After the construction personnel arrive at the building site, they will cut the fiber cement wood grain boards according to the shape measurement of the building to meet their use requirements. The cutting part of the finished fiber cement wood grain board is exposed. In the subsequent use process, when the fiber cement board is used as the outer wall of the wooden structure building, it is often caused by improper treatment of the corner cutting part of the outer wall of the fiber cement board, which will easily cause water to penetrate into the wood structure. The wooden corner column of the building will affect the stability and service life of the wooden structure building, and it will easily lead to the reduction of the thermal insulation effect of the wooden structure building; The frame is used as the main keel for the subsequent laying and fixing of fiber cement wood grain boards. However, the laying and building here is extremely cumbersome in the traditional building process, and the traditional screw drilling and fixing method is easy to cause damage to the wind and rain during subsequent use. Fracture damage at the node, so the traditional method still needs to be improved

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