Foot gyroscope ball achieving functions of football and gyroscope
A technology of foot screw and ball sleeve, applied in the field of foot screw ball, can solve the problems of inability to exercise comprehensively, fail to arouse young people's interest, and the top can only be whipped, etc., to achieve the effect of easy replacement, easy assembly, and reduced difficulty
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[0029] The present invention will be further described below in conjunction with the drawings and specific embodiments.
[0030] Such as figure 2 The foot screw ball shown is composed of a foot screw 1 and an external screw sleeve 2. The overall structure of the foot screw 1 is an upper cylinder and a lower cone. The screw sleeve 2 It is a spherical structure, and the lower part of the screw ball sleeve 2 is provided with a sleeve hole that matches the cylinder of the foot screw 1. The screw sleeve 2 wraps the cylinder of the foot screw 1 through the sleeve hole and combines with the foot screw 1 to form a foot screw ball. The upper part of the foot screw ball is a sphere, and the lower part is a cone structure, and the described screw ball sleeve 2 is an inflatable or solid sponge structure.
[0031] As another embodiment of the present invention, the foot screw ball is composed of an upper sphere 6 connected with a lower vertebral body 7, the lower end of the vertebral bod...
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