Crank-type hand-driven device of wheelchair
A manual drive and crank technology, applied in the patient's chair or special transportation tools, transportation and packaging, vehicle rescue, etc., can solve the problems of unreachable clothing cleaning, wheel dust pollution of clothes, etc., and achieve the effect of convenient operation
Active Publication Date: 2016-11-16
海宁市黄湾镇资产经营有限公司
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- Application Information
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Problems solved by technology
However, in the process of rotating the wheelchair, because the sleeves of the disabled are often in contact with the wheels of the wheelchair, the dust on the wheels pollutes the clothes, which cannot meet the requirements of clean clothes
Method used
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Embodiment Construction
[0015] Such as figure 1 , Shown in 2, a kind of crank type artificial driving device of wheelchair, eliminates above-mentioned defect with this. The device is composed of a crank 1, a connecting rod 2, an eye screw 3, a handle 4 and a grip 5; it is connected to the outer ends of the hub tubes 7 of the two driving wheels 6 of the wheelchair (referring to a wheelchair without armrests). Crank 1, crank 1 is made of a plate with a folded edge; the cross section of crank 1 is channel steel type; hub 7 of crank 1 and drive wheel 6 (which part is used to hook the car strip, also called the shaft skin) vertically connected into one; one end of the crank 1 is connected with a shaft head 8, and the shaft head 8 is made of a section of round steel; a connecting rod 2 is respectively installed on the shaft heads 8 of the two cranks 1, and the connecting rod 2 is A lever with an axle sleeve 9 at one end, and the axle sleeve 9 is a circular tube; the axle sleeve 9 of the connecting rod 2 ...
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The invention provides a crank-type hand-driven device of a wheelchair. The crank-type hand-driven device is composed of cranks, connecting rods, swing ring screws, handles and handle sleeves, wherein the cranks are connected on hub barrels of wheelchair driving wheels, the connecting rods are respectively mounted on spindle heads of the cranks, and a section of cotter groove is formed in each connecting rod; the handles are connected to one ends of the connecting rods, insertion pipes with drilled holes are arranged in the handles, and pins are mounted in the drilled holes; the handles and the connecting rods are connected into a whole through pins; the handle sleeves are mounted on one ends of the handles; a section of sleeve is connected to each of two sides of a frame of the wheelchair, and bolts of the swing ring screws are positioned on the sleeves through the screwing in of threads; the screwed-in swing ring screws can flexibly swing on the sleeves; the circle centers of the screwed-in swing ring screws and the centers of the connecting rods are positioned on the same longitudinal axis.
Description
technical field [0001] The utility model relates to a crank type artificial driving device of a wheelchair, which belongs to the field of articles for the disabled. Background technique [0002] People who cannot walk use a wheelchair as a means of transportation, and the armrest circle of the wheelchair can be rotated by the arm of the upper limb to achieve the purpose of moving. However, in the process of rotating the wheelchair, because the sleeves of the disabled are often in contact with the wheels of the wheelchair, the dust on the wheels pollutes the clothes, which cannot meet the requirements for clean clothes. Contents of the invention [0003] The purpose of this application is to provide a crank-type manual drive device for a wheelchair, thereby eliminating the above-mentioned defects. The device consists of cranks, connecting rods, ring screws, handles and handles; the cranks are connected to the outer ends of the hubs of the two driving wheels of wheelchairs ...
Claims
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IPC IPC(8): A61G5/02
CPCA61G5/026
Inventor 张七龙
Owner 海宁市黄湾镇资产经营有限公司