Electric wheelchair capable of stably running on uneven road surface and automatically load compensating
An electric wheelchair and load compensation technology, which is applied to patient chairs or special transportation tools, vehicle ambulance, medical transportation, etc., can solve problems such as not being able to adapt to road conditions, and achieve smooth and durable structure rotation, stable performance, Design and produce effects that are easy
Inactive Publication Date: 2008-11-19
江苏康欣医疗设备有限公司
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Problems solved by technology
When driving on smooth roads, adjusting the height of the front wheels from the ground cannot achieve the function of adapting to road conditions, which brings great inconvenience to users
Method used
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Embodiment Construction
[0022] Referring to Figures 1 to 3, the electric wheelchair that can run smoothly on uneven roads and can automatically load compensate according to the present invention includes:
[0023] A vehicle frame, this vehicle frame is constituted vehicle frame with two round tubes 33 and the battery box 38 that run through the front and rear as support components, and the round tubes 33 and the battery box 38 are fixedly connected by welding. The rear ends of the two round pipes 33 are supported and connected with the universal wheel connecting pipe 32, and the middle of the two round pipes 33 is supported and connected with the support plate 37 in the vehicle frame. The bottom of the chair support tube 36 is supported on the battery box 38 . Support plate 37 both sides in the vehicle frame are upwardly welded with cover member support block 34, and two circular pipes 33 front ends are supported and connected with vehicle frame front support seat group 35 and are fixed. A rear univ...
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The invention relates to an electric wheelchair which can smoothly runs on an irregular pavement and act automatic load compensation. The electric wheelchair comprises: a carriage, wherein, rear universal wheel-seats (18) are respectively arranged on two sides of the rear end of the carriage, and rocker pivots (26) are respectively arranged on two sides of the upper part at the front end of the carriage; a pair of rear universal wheel groups which are positioned on the rear universal wheel-seats (18) on the two sides of the rear end of the carriage; a pair of damping buffer devices (39) which are positioned on the two sides of the lower part at the front end of the carriage; a pair of swinging brackets which are positioned on the rocker pivots (26) on two sides of the upper part at the front end of the carriage, wherein, the swinging brackets comprise swing pipes (11), revolving sleeves (12), driving wheel components and front universal wheel groups; a pair of brake apparatuses which are articulated on the rocker pivots (26); a pair of pullback spring devices which are used for connecting the carriage and the swinging brackets; a seat steadying bar (28) which is fixedly connected to the middle part of the carriage upwards; and a treading supporting tube (27) which is forwards connected to the front end of the carriage and is also connected with a treading assembly (31). The electric wheelchair has the advantages that the manufacture is easy, the fabricating cost is low, the assembly and the maintenance are easier, the performance is stable, etc.
Description
technical field [0001] The invention relates to an electric wheelchair. It belongs to the technical field of medical equipment. Background technique [0002] Electric wheelchairs are medical aids used by people with neuromuscular disease, elderly people with functional degeneration, physical disabilities and chronic patients who lack independent mobility in daily life. At present, in hospitals and daily life, patients or elderly people with limited mobility generally use wheelchairs as a means of transportation. Among them, the middle drive wheel electric wheelchair is a relatively common one. This wheelchair includes three sets of wheels, the front universal wheel, the driving wheel and the rear universal wheel. The front wheel mainly plays a guiding role, and the middle drive wheel and The power system is connected, and the rear universal wheel is used to maintain the balance of the entire wheelchair, and it plays a role of stable support when climbing a slope or going u...
Claims
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IPC IPC(8): A61G5/06A61G5/10
Inventor 郭永民蒋方平张栋承达峰贡文化
Owner 江苏康欣医疗设备有限公司