Manufacturing method of seat framework
A technology of seat frame and manufacturing method, applied in the direction of seat frame, etc., can solve the problems of easy damage of seat frame, large instantaneous load, large local twisting force, etc. Uniform force effect
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Embodiment 1
[0089] Embodiment 1: the first kind of car seat frame, see Figure 1-Figure 4 , an n-shaped frame 1 integrally formed by plastic material, its cross-section is "U"-shaped (or "V"-shaped, or "H"-shaped, or "king"-shaped, or trapezoidal) structure, in n The inner side of the shaped frame 1 is provided with a reinforcing rib 7, which is a continuous cross-shaped reinforcing rib 7, or a wave-shaped reinforcing rib 7, or a grid-shaped or convex nail-shaped reinforcing rib 7. The thickness of the U-shape is 4-8mm, and the thickness of the ribs inside the U-shape is 3-5mm, which meets the requirements of the mechanical test of the seat frame. The width of the n-shaped frame 1 is 20-40mm, and the groove width of its cross section is 15-35mm.
[0090] A backboard 2 is connected to the inside of the two sides of the n-shaped frame 1 from the middle to the bottom, and the backboard 2 is made of braided fiber + PP. Backrest board 2 is arc-shaped board. Its upper width is greater than t...
Embodiment 2
[0095] Embodiment 2: the second kind of automobile seat frame, see Figure 1-Figure 4 , the content is basically the same as that of Example 1, except that the backboard 2 adopts transverse continuous fiber yarn + PP prepreg.
Embodiment 3
[0096] Embodiment 3: the third kind of automobile seat frame, see Figure 5 , Figure 6 and Figure 7 , the content is basically the same as in Embodiment 1, the difference is that the backboard and the n-shaped frame are assembled, and flanges 12 are set on both sides of the backboard, see Figure 7 , The width of the flange 12 adapts to the width of the n-shaped frame. After the flanges 12 on both sides of the backboard 2 are set on the inner sides of the two frames of the n-shaped frame 1, they are fixed by bolts 11, see Figure 5 .
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