Screw jack bracing bed
A screw jack and jack technology, which is applied to bed frames, lifting devices, sports accessories, etc., can solve the problems of low efficiency, time-consuming and labor-intensive, and achieve the effect of preventing inconvenience of movement.
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[0016] Picture 1-1 It is a structural diagram of an application example of a stretching bed with a hand-cranked flexible shaft driven screw jack that uses straps (rope or flat rope) to fix both legs of the present invention. It can be seen from the figure that the stretching bed is composed of a bed body, a bed board, a screw jack, a support frame under the screw jack, a large arm, a flexible transmission shaft, and a hand crank. We will introduce the specific components one by one in the accompanying drawings below. The bed board used in the present invention can be wood board, metal board, plastic board etc. During actual use, various methods such as placing blankets, soft cloths, cotton pads, sponges (foam) and adhesive-backed sponges (EVA sponge tape) on the bed can be used to improve the comfort of use. Blankets, soft cloths, cotton pads, sponges (foam) and adhesive-backed sponges (EVA sponge tape) should also be used to improve the comfort of the stretching arms.
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