Novel height adjustable handle for public transport vehicle

Abstract

The invention discloses a novel height adjustable handle for a public transport vehicle. The novel height adjustable handle consists of three basic systems, namely a tape contraction system, a stop system and a height adjustment system; the tape contraction system has five schemes: 1, a spring-gear reel type; 2, a spring reel type; 3, a torsional spring reel type; 4, a torsional spring-gear reel type; and 5, a tension spring reel type. The stop system has four schemes: 1, a type of pressing a tape by using a knurl axis through a spring; 2, a type of stopping the tape by using a toothed plate through a spring; 3, a type of stopping by using step external ratchet wheel and pawl; and 4, a type of stopping by using stepless external ratchet wheel and pawl. A scheme of the height adjustment system is that: an adjusting button is pressed, and an executive component in the stop system is pulled through the transmission of a steel wire rope, so that the tape can move freely; and the button is provided with a return spring. A handle system can be formed by combining any one scheme of each system. The adjusting button is pressed, the handle is pulled to a proper height, the button is released, and the handle can be stopped at a certain height and cannot descend; and when a hand leaves the handle, the handle can return to a high position.

Description

Technical field [0001] The invention relates to an ergonomically height-adjustable bus handle, in particular to an ergonomically height-adjustable handle. Background technique [0002] Currently known bus handles are simply a strap that is screwed to a plastic handle or a patented public vehicle handle that can be changed in length, but they either cannot be adjusted in height or naturally return to a reasonable height. Height, so that passengers of different heights will feel very uncomfortable when pulling the handle while driving. Shorter people have to make their arms completely straight to pull the handle, and taller passengers will have curved arms when pulling the handle. The arms of tall passengers will be very sore, and the elbows of tall passengers will touch other passengers due to their curved arms. Due to the fixed height of the handle, the muscles are not in a natural relaxation state when the arms are pulled, and the arms will be sore after standing for a whil...

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem that the existing bus handles cannot be adjusted in height or cannot be naturally restored to a reasonable height without human intervention after adjustment, and the environment inside the bus is not beautiful, the present invention provides an ergonomically adjustable height Bus handles that can automatically return to a certain height

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