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Magnetic bouncing board

A springboard, magnetic technology, applied in springboard and other directions, can solve the problems of weak spring force, large mechanical noise, mechanical wear, etc., and achieve the effect of overcoming large mechanical noise, good elasticity and long life.

Inactive Publication Date: 2011-08-31
何洋
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is that it uses many springs, and the mechanical noise is loud when stepping, especially after a period of use, the mechanical wear is serious, the spring force is weakened, the elasticity is obviously reduced, and the noise becomes louder.

Method used

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Experimental program
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Embodiment Construction

[0009] Among the figure: 1, base, 2, magnet sheet, 3, spacer, 4, fixed sleeve, 5, panel, 6, spring, 7, upper magnetic pad, 8, lower magnetic pad, 9, panel rotating shaft.

[0010] Base 1 is made of solid wood or metal plate, and panel 5 can be assembled with firm and elastic wooden strips, and the moso bamboo sheets are bound on the wooden strips for strengthening its elasticity and firmness. Panel 5 can also be made of sheet metal. The magnet sheet 2 is made of NdFeB magnetic sheet, and the fixed sleeve 4 is a stainless steel cover, which is fixed on the top of the base 1 or below the panel 5 by screws, and the magnet sheet 2 and spacer 3 are fixed together in the fixed sleeve 4 to prevent the magnet sheet 2 from damaged in use.

[0011] When calculating with the formula H=3L / 40, L is the distance from the centerline of the magnetic pad 3 to the panel rotation axis 9 . The error range of the distance H between the upper and lower magnetic pads 7, 8 should be within 15%.

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Abstract

The invention relates to a magnetic bouncing board belonging to the field of sports apparatus and aiming at achieving the purposes of stable elasticity and low noises. The magnetic bouncing board comprises a base, a panel, a spring and a magnet device, wherein the magnet device and the spring are both arranged between the base and the panel; the magnet device adopts four pairs of magnetic cushions which are respectively arranged on the base and at both sides of the front part and two sides of the middle of the panel, and every pair of magnetic cushions are oppositely arranged top and bottom; each magnetic cushion comprises a magnetic sheet, a cushion block and a fixed sleeve, wherein the cushion blocks and the fixed sleeves are all made of non-magnetic materials; the cushion blocks are arranged below the magnetic sheets, and the magnetic sheets and the cushion blocks are arranged on the base or the panel through the fixed sleeves; the magnetic sheets positioned between the upper cushion block and the lower cushion block are arranged in a like pole repelling way, that is to say, an N pole is opposite to an N pole, and an S pole is opposite to an S pole; and only one spring which plays an auxiliary supporting role is arranged between the base positioned at the middle of the front magnetic cushion and the rear magnetic cushion and the panel.

Description

technical field [0001] The invention relates to a sports equipment, in particular to a jumping device used by gymnasts. Background technique [0002] The springboard is a common jump-aiding device used in gymnastics teaching and training. It has excellent jump-assist performance. During gymnastics skills training or competitions, the elasticity of the springboard is often used as an aid, such as training somersaults. Most of the existing spring boards adopt spring structure, so they are also called "spring boards". Its disadvantage is that it uses many springs, and the mechanical noise is large when stepping and jumping. Especially after a period of use, the mechanical wear is serious, the spring force is weakened, the elasticity is obviously reduced, and the noise becomes louder. Contents of the invention [0003] The object of the present invention is to overcome the disadvantages of the above-mentioned prior art and provide a magnetic springboard with stable elastic fo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A63B5/08
Inventor 何洋梁德义
Owner 何洋
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