Meritorious wheelchair with upturning handrail mechanism

Abstract

The present invention discloses a meritorious wheelchair with an upturning handrail mechanism. The meritorious wheelchair with the upturning handrail mechanism comprises a wheelchair backrest, a handrail body, a seat plate and a wheelchair main body, the wheelchair backrest and the seat plate are arranged at an upper end of the wheelchair main body, a lower end of the wheelchair main body is provided with obstacle avoidance universal wheels, an upper end of the wheelchair main body is fixedly provided with a first fixing box, a top end inside the first fixing box is fixedly provided with a servo motor, a shaft end of the servo motor is provided with a ball screw, two ends of the ball screw are provided with thrust rings, besides, an outer surface of the ball screw is sleeved with a ball nut, and the ball nut is in sliding fit with the first fixing box. Through designing the first fixing box, a patient starts the servo motor through an operating handle, the servo motor drives the ball screw to rotate, the handrail body is controlled to vertically drop to a horizontal state with a seat surface of a seat and the meritorious wheelchair is convenient for a side edge of the wheelchair tobe in a "zero" distance horizontal butt joint with a bed or a closestool and is convenient for a patient to shift or go up and down.

Description

technical field [0001] The invention belongs to the technical field of wheelchairs, and in particular relates to a meritorious wheelchair with an upturning armrest mechanism. Background technique [0002] Wheelchairs are chairs equipped with wheels that can help replace walking, and are divided into electric and manual folding wheelchairs. It is an important mobile tool for home rehabilitation of the wounded, the sick, and the disabled, turnover transportation, medical treatment, and outing activities. The wheelchair not only meets the needs of the physically disabled and people with reduced mobility, but more importantly, it is convenient for family members to move and take care of the sick. Patients use wheelchairs for physical exercise and social activities. [0003] In existing wheelchairs, the armrests of wheelchairs are generally fixed on the wheelchair and do not have a lifting function. When the patient needs to move from the wheelchair to the bed or toilet, the arm...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a meritorious wheelchair with an upturning armrest mechanism to solve the existing wheelchairs proposed in the above-mentioned background technology. The wheelchair armrests are generally fixed on the wheelchair and do not have a lifting function. Problems where the armrests hinder patient repositioning when moving from a wheelchair to a bed or toilet

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