Swinging board with double-safety device
A safety device and wave board technology, applied in the field of wave boards, can solve the problems of not being able to guarantee safety, not being able to grasp the handrail, and being prone to danger, etc., and achieve the effect of convenient use, simple structure and strong practicability
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[0015] The present invention will be further described below in conjunction with accompanying drawing description and specific embodiment:
[0016] Such as Figures 1 to 4 The shown wave plate with double safety device includes a fixed seat 1, on which a fixed column 11 is arranged, and a moving groove 15 is arranged at the front end of the fixed column 11, and a moving groove 15 is arranged on both sides of the moving groove 15. The side is provided with a guide rail 19, a moving sleeve 16 is plugged into the guide rail 19, and a plugging block 20 is arranged on the moving sleeve 16, and the plugging block 20 is arranged in the guide rail 19. A bearing 18 is arranged in the block 20, a rotating shaft 17 is arranged in the bearing 18, a corrugated plate 12 is arranged at the front section of the rotating shaft 17, and a first fixing plate is arranged in the fixing column 11 below the moving sleeve 16 22. A first spring 21 is provided between the first fixed plate 22 and the m...
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