Bodybuilding horizontal bar

Abstract

The invention discloses a bodybuilding horizontal bar. The bodybuilding horizontal bar comprises a pipe sleeve and sleeve rods, and the pipe sleeve sleeves the sleeve rods. The sleeve rods are two screw rods, the inner ends of the screw rods are connected with end umbrella-shaped gears, a middle umbrella-shaped gear is arranged in the pipe sleeve, the middle umbrella-shaped gear is located betweenthe two end umbrella-shaped gears and is engaged with the two end umbrella-shaped gears, and a penetrating hole is formed in the pipe sleeve. A boss penetrating into the penetrating hole is arrangedon the top face of the middle umbrella-shaped gear, a spanner inserting slot is formed in the top face of the boss, a shaft sleeve sleeves the positions, on the outer sides of the end umbrella-shapedgears, of the screw rods, and nuts are arranged on the outer side of the shaft sleeve. The outer face of the shaft sleeve cushions and abuts against the inner face of the pipe sleeve, a sleeve sleevesthe outer sections of the screw rods, the outer end of the sleeve stretches out of the pipe sleeve and is connected with a connecting seat, the pipe sleeve sleeves the inner end of the sleeve, an inner end pipe opening sleeves the nuts and is integrally connected with the nut, a concave axial limiting groove is formed in the outside of the sleeve, an end sleeve sleeves and is fixed to the outer end of the pipe sleeve, and the inner face of the end sleeve protrudes to form a limiting protruding part stretching into the limiting groove. The bodybuilding horizontal bar is simple in structure, good in locking effect, safe and practical, and locking operation is convenient and saves labor.

Description

technical field [0001] The invention relates to the field of fitness equipment, in particular to a fitness single bar. Background technique [0002] Existing fitness bars that are used to stretch and support between the opposite facades for people to do pull-up exercises, that is, the horizontal bars on the door, have the following defects: it is difficult to achieve stable locking after stretching, so, because the pull-up exercises will Frequent and strong impacts are generated. Once the telescopic rod shrinks slightly, it will be loosened from the two fixed facades, causing injuries to the exerciser and poor safety. Contents of the invention [0003] In view of this, the technical problem to be solved by the present invention is to provide a safe and practical fitness single with simple structure, convenient and labor-saving locking operation, good locking effect, and can be stably supported between opposite facades after locking. pole. [0004] In order to achieve the...

AI Technical Summary

Problems solved by technology

[0002] Existing fitness bars that are used to be stretched and supported between the opposite facades for people to do pull-up exercises, that is, the horizontal bar on the door, have the following defects: it is difficult to achieve stable locking after stretching, so, because the pull-up exercise action will Frequent and strong impacts are generated. Once the telescopic rod shrinks slightly, it will loosen from the two fixed facades, resulting in injury to the exerciser and poor safety.

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