Stair installation structure comprising stair pedals and installation method
A technology for stair treads and installation structures, which is applied to treads, stairs, treads and vertical plate units, etc., can solve the problems of complicated installation steps, high cost, easy cracking and deformation, etc., and achieve unified and coordinated improvement in appearance, consistent structure, and enhanced stability. sexual effect
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Embodiment 1
[0069] Embodiment 1: A stair installation structure including stair treads. The structure includes stair abutment 5, stair treads 1 and vertical board 2. The upper surface of stair treads 1 and the front end face are arc-shaped transitions, and the front end is provided with a direction The stepping nose 11 extending downward and backward is provided with a female groove 111 on the rear side of the stepping nose 11, and the lower end surface of the vertical plate 2 presses the adjacent previous stair tread.
[0070] Wherein the stair tread 1 is composed of a fireproof layer 3 and a support layer 4 , and the support layer 4 has a structure of a solid wood board 43 with two sides of a composite density board 41 .
[0071] The rear end of the pedal 1 has a mortise 12 with an opening backward, and the male tenon buckle 21 is connected with the vertical board 2 by nails, and the vertical board 2 is directly connected with nails, and the traces of the nails are covered by the tread n...
Embodiment 2
[0082] Embodiment 2: A stair installation structure including stair treads, the structure includes stair abutment 5, stair treads 1 and vertical board 2, the arc transition between the upper surface of stair treads 1 and the front end surface, and the front end is provided with The tread nose 11 extending downward and backward, the rear side of the tread nose 11 is provided with a female groove 111, and the vertical plate 2 is fixed with a male tenon buckle 21 matched with the female groove 111, wherein the shape of the cross section of the female groove 111 is Isosceles trapezoid, the width of the notch is smaller than the width of the bottom of the groove, and the shape of the cross section of the male tenon buckle 21 is an isosceles trapezoid that can match the female groove 111 .
[0083] There is a bend 22 between the upper and lower parts of the vertical plate 2, so that the lower part of the vertical plate 2 is behind relative to the upper part, and the lower end surface...
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