Stretching device for physical training

Abstract

The invention is suitable for the field of physical training devices, and provides a stretching device for physical training, which comprises a cross beam, a seat cushion is fixedly connected to one end of the cross beam, a sliding box body is arranged at the other end of the cross beam, the stretching device further comprises a driving unit and a telescopic unit, and arc-shaped guide grooves are formed in the two sides of the box body in the direction perpendicular to the cross beam; the telescopic unit comprises a locking piece located in the arc-shaped guide groove, a sleeve is fixedly connected into the locking piece, a rotating shaft is rotationally connected into the sleeve, a driven bevel gear matched with the driving bevel gear is fixed to one end of the rotating shaft, and a second telescopic piece fixedly connected to the other end of the rotating shaft is further included. An ejector rod inserted into the sleeve in a matched mode is fixed to the other end of the second telescopic piece, and a connecting structure is arranged between the ejector rod and the inner wall of the sleeve. The leg stretching device has the advantages that the stretching angle of the legs can be changed, so that the legs can be stretched to different positions, a user can adjust the distance between the cushion and the box body according to the body shape of the user during operation, and it is guaranteed that the legs are reasonably placed.

Description

technical field [0001] The invention belongs to the field of sports training devices, in particular to a stretching device for sports training. Background technique [0002] Sports is a complex social and cultural phenomenon. It relies on physical and intellectual activities to achieve the purpose of promoting all-round development, improving physical fitness, enhancing physical fitness, improving lifestyle and improving the quality of life through some professional means. [0003] In the process of physical training, the amount of exercise of the lower limbs is large. Generally, stretching activities are carried out before or after training. The main purpose is to relax muscles, relieve muscle fatigue, and effectively maintain muscle beauty. In professional sports training, devices are used to assist. . [0004] The existing stretching device only assists the lateral opening of the legs, can only stretch a part of the inner thigh, and cannot achieve comprehensive stretchin...

AI Technical Summary

Problems solved by technology

[0004]Existing stretching devices only assist in opening the legs laterally, and can only stretch a part of the inner thigh, but cannot fully stretch the legs Relief, and due to the fixed structure, people of different body types cannot place their legs well when stretching, which will affect the effect of stretching

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