Three-dimensional vacuum cupping device
A vacuum and three-dimensional technology, applied in the direction of suction equipment, etc., can solve the problems of difficult adjustment of movable plates and positioning blocks, easy abrasion of limbs, difficulty in getting in and out of rubber sleeves, etc., to achieve stable and reliable vacuum protection, good vacuum protection effect, and support Stable and reliable effect
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[0047] Below in conjunction with accompanying drawing, the present invention is described in further detail:
[0048] figure 1 It is a schematic diagram of the shell structure of the present invention: a hard shell 1 with one end open, a port 11 , a corrugated ring 12 , and corrugated ribs 13 .
[0049] figure 2 It is a semi-soft shell 1 with one or both ends open, a hard port 11, a convex ring 12, and a spring-like rib 13. The position of the spring rib can be set inside and outside the shell, or it can be injected into the semi-soft shell wall .
[0050] image 3 It is a hard shell 1 with openings at both ends or multi-ports and multi-sections. There are straight-through and shrinking ports 11 in the multi-section openings. There are reinforcing ribs 13 in the body mouth or middle, and the sections are connected by rubber sealing rings 14 between shells to form a vacuum airtight; or each section is air-sealed by O-shaped rubber polyurethane sealing rings 15, and the cl...
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