Electric wheel chair

Abstract

An electric wheel chair belongs to an article for daily use and comprises a pedal, a cell box, a pair of front frames, a pair of rear frames, a chair seat, a chair back, a pair of armrests and an armrest locking mechanism; front axle seats are arranged on two sides of the front end of the pedal respectively, and rear axle seats are arranged on the two sides of the rear end respectively; the cell box is connected with the pair of rear axle seats; a left wheel motor and a right wheel motor are arranged in the cell box; a left traveling wheel is fixed on a left wheel motor shaft of the left wheel motor, and a right traveling wheel is fixed on a right wheel motor shaft of the right wheel motor; each front frame comprises a front direction wheel arm, a front frame arm and a folding mechanism; one end of each rear frame is hinged with the side part of the cell box, and the other end of each rear frame is connected with a rear frame connecting rod; rear universal wheel seats are fixed on the other end of each rear frames; rear universal wheels are arranged on the rear universal wheel seats; the chair seat is fixed on a chair seat bracket; the chair back is hinged with the chair seat; and a controller is arranged on one armrest and is in wireless fit with a controller host. The electric wheel chair has the advantages as follows: the size of the wheel chair can be reduced so that the wheel chair is convenient to store; the wheel chair is rotatable in-situ; the turning radius is small; and the wheel chair is comfortable and safe.

Description

technical field [0001] The invention belongs to the technical field of daily necessities, and in particular relates to an electric wheelchair. Background technique [0002] Electric wheelchairs, also known as electric wheelchairs, are transportation tools for special groups such as disabled, elderly and infirm, and medical and clinical rehabilitation patients. There is no shortage of technical information about electric wheelchairs in the published Chinese patent documents, such as the "multifunctional electric wheelchair" (four-wheel structure) recommended by the authorized announcement number CN2745544Y. The seat is folded in the direction of the seat, and the seat is placed against the direction of the bottom plate, finally reflecting the folding effect in the state of non-use or storage. But the volume of the folded car body is still huge, because a pair of front wheels, a pair of rear wheels and the pedals cannot show the state of changing position step by step when th...

AI Technical Summary

Problems solved by technology

However, the folded car body is still bulky, because a pair of front wheels, a pair of rear wheels and pedals cannot show the positional change state that follows the car body when it is folded.

[0003] Although the "obstacle avoidance electric wheelchair" provided by authorized announcement number CN201379725Y has ...

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