Gymnasium chair seat and back and fabrication technology thereof
A technology for sports venues and manufacturing processes, applied in chairs, other seating furniture, applications, etc., can solve problems such as poor product strength, large product consumables, and difficulty in controlling the molding size
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[0082] Example 1
[0083] As shown in Fig. 1-Fig. 5(D), a public seat for stadiums includes seat 1, seat support 2, seat back 3, seat back support 4, connecting shaft 5 and bracket 6; seat 1 It includes seat surface 11, seat support connection part 12, seat back 3 includes seat back surface 31, seat back support connection part 32; seat back support connection part 32, seat back support 4, connection shaft 5 and bracket 6 are fixed between Connection, the seat support connecting part 12 and the seat support 2 are fixedly connected, the seat support 2 and the connecting shaft 5 are movably connected, and the seat 1 can be turned up. The seat 1 further includes a hollow reinforcing rib 13 for the seat, and the seat back further includes a hollow reinforcing rib 33 for the seat back.
[0084] The hollow reinforcing rib 13 of the seat seat is in the shape of an elbow, and the edge of the seat surface 11 is flush with the outer side of the hollow reinforcing rib 13 of the seat sea...
Example Embodiment
[0086] Example 2
[0087] like Image 6 , Figure 7 As shown, the seat air injection hole 133 is at the end of the seat hollow reinforcing rib 13 on the right side of the seat seat 1 ; The seat back air injection hole 333 is at the end of the seat back hollow reinforcing rib 33 on the right side of the seat back 31 ; Others are the same as in Example 1.
Example Embodiment
[0088] Example 3
[0089] like Figure 8 As shown, the reinforcing rib 13 in the seat is on the inner side of the edge, and the others are the same as in Embodiment 1.
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