Leg stretching device for dance practice and use method
A technique for leg pressing and dancing, applied in the field of dance practice leg pressing devices, can solve problems such as low training efficiency, injury to trainers, strained leg muscles, etc., and achieve the effect of moderate elasticity
Active Publication Date: 2021-07-09
HARBIN INST OF PHYSICAL EDUCATION
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Problems solved by technology
[0002] In the process of dance training, leg press training is an important content. Leg press training needs to be done step by step, otherwise it will strain the leg muscles. At present, most of the leg training devices are performed manually or with simple devices, and the training efficiency is not high. , the training effect is not good, and the machine training often causes harm to the trainer
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[0036] Below according to accompanying drawing and embodiment the present invention will be described in further detail:
[0037] A kind of leg pressing device for dance practice, comprising frame part 100, pressing part 200, frame part 100 comprises frame 110, pedal 120, spline shaft 130, friction wheel 140, friction disc 150, No. 1 spring 160, Rubber band 161, No. 1 motor 280, No. 1 motor seat 281, pressing part 200 includes pressing frame 210, pressing bar 220, push block 230, moving bar 240, pressing sleeve 250, cam 260, camshaft 270, No. 2 Motor 282, No. 2 motor base 283, No. 3 motor 284, No. 3 motor base 285, No. 2 spring 286, the front part of the frame 110 has a chute 111, and there are 2 rubber band fixing holes symmetrically arranged in the middle of the chute 111 112, there is a column 117 on both sides of the frame 110, each column 117 has a spline optical axis hole 118 on the top, a backrest 113 is provided in the middle of the frame 110, the upper part of the bac...
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The invention relates to a leg stretching device for a dance practice and a use method, the leg stretching device comprises a rack part and a pressing part, the rack part comprises a rack, a pedal, a spline shaft, a friction wheel, a friction disc, a first spring, a rubber band, a first motor and a first motor base; the pressing part comprises a pressing frame, a pressing rod, a pushing block, a moving rod, a pressing sleeve, a cam, a cam shaft, a second motor, a second motor base, a third motor, a third motor base and a second spring, a sliding groove is formed in the front portion of the rack, two rubber band fixing holes are symmetrically formed in the middle of the sliding groove, the two sides of the rack are each provided with a stand column, and a spline unthreaded shaft hole is formed in the upper portion of each stand column; the middle of the rack is provided with a backrest, the upper portion of the backrest is provided with a lead screw lower hole, the two sides of the lead screw lower hole are respectively provided with first guide rods, the upper portions of the first guide rods are provided with lead screw upper holes, the lower portion of the pedal is provided with a pedal sliding block, the side face of the pedal is provided with a pedal hole, and the two sides of a spline shaft are provided with spline unthreaded shafts.
Description
technical field [0001] The invention relates to the field of sports equipment, in particular to a leg press device for dance practice and a use method thereof. Background technique [0002] In the process of dance training, leg press training is an important content. Leg press training needs to be done step by step, otherwise it will strain the leg muscles. At present, most of the leg training devices are performed manually or with simple devices, and the training efficiency is not high. , the training effect is not good, and machine training often causes harm to the trainer. Contents of the invention [0003] The present invention aims at the above-mentioned deficiencies existing in the prior art, and provides a step-by-step, safe and controllable dance practice leg press device and a usage method. [0004] The purpose of the present invention is to realize through the following technical solutions: [0005] A leg pressing device for dance practice, including a frame pa...
Claims
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IPC IPC(8): A63B23/04
CPCA63B23/0488
Inventor 王彧许艳杨洋程万军丁冰罗春林
Owner HARBIN INST OF PHYSICAL EDUCATION