Wheel chair folding mechanism capable of adjusting seat width

Abstract

The invention relates to a wheel chair, particularly relating to a folding device of a seat rack on the wheel chair. The invention aims to provide a wheel chair folding mechanism capable of adjusting seat width, which has simple structure and reliable use, and can adjust the seat width according to different requirements. The wheel chair folding mechanism comprises a front left standpipe and a front right standpipe, a rear left standpipe and a rear right standpipe of the rack of the wheel chair, a left X-shaped rectangular pipe and a right X-shaped rectangular pipe which are hinged, wherein, the left rectangular pipe is provided with a left upper pipe and a left lower pipe; the left upper pipe can be adjustably connected with the front left standpipe of the rack through a left directional pipe; the left lower pipe is positioned between a front right standpipe and a rear right standpipe of the rack, and can be adjustably connected with the front right standpipe and the rear right standpipe; the right rectangular pipe comprises a right upper pipe and a right lower pipe, wherein, the right upper pipe can be adjustably connected with the front right standpipe through a right directional pipe; and the right lower pipe is positioned between the front left standpipe and rear left standpipe of the rack, and can be adjustably connected with the front left standpipe and the rear left standpipe. The advantage of the invention is that the application range of single model wheel chairs is expanded.

Description

technical field [0001] The invention relates to a wheelchair, in particular to a folding device for a seat frame of the wheelchair. Background technique [0002] As a special medical equipment, wheelchairs are designed to serve specific groups of people in order to meet their transportation needs. With the advancement of technology and the improvement of living conditions, the functional requirements for wheelchairs are also increasing, which inevitably requires continuous improvement of its components to meet the ever-increasing user needs. [0003] In order to improve comfort, the current wheelchair devices are becoming more and more complex. Not only are power facilities installed to save manual labor, but also the structural settings are strengthened to make them as convenient and multi-functional as possible. For example, wheelchair fittings are often designed as Adjustable connection, so that the length of the pipe can be set according to the needs to meet the differe...

AI Technical Summary

Problems solved by technology

Although the user of the wheelchair is a specific user, the wheelchair itself can be used for a long time. The current wheelchair is designed in a single size. After a user chooses a specific model of wheelchair, the general situation can only be applied to him, unless other users have a similar body shape , otherwise the function of a wheelchair cannot be fully utilized

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