CN102670362A

CN102670362A - Folding electric wheelchair

Info

Publication number: CN102670362A
Application number: CN2012101775253A
Authority: CN
Inventors: 王保福; 王玉兴
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-06-01
Filing date: 2012-06-01
Publication date: 2012-09-19
Anticipated expiration: 2032-06-01
Also published as: CN102670362B

Abstract

The utility model discloses a folding electric wheelchair which comprises two front large wheels, a rear wheel component, a steering device, an electric control device and a folding frame, wherein a clamping groove is formed at the rear end of the folding frame, a fixing buckle and a hook which are matched with each other are arranged on the clamping groove, the lower end of a rear wheel mounting frame is placed in the clamping groove, and the upper end of the rear wheel mounting frame is fixed through the fixing buckle and the hook; a steering fixing plate is arranged in the middle of the rear wheel mounting frame, two fixing pins and two first fixing screws are arranged on the steering fixing plate; the rear wheel component comprises a steering fixing frame, a wheel fork, a steering connecting plate and a steering ball joint; and the fixing interfaces on the steering fixing frame are aligned to the fixing pins on the steering fixing plate and are upwards pushed to fixed positions, and the two first fixing screws are placed in the fixing interfaces and tightened, so that the rear wheel component is installed; and the driving, reversing and steering of the rear wheel are controlled through the electric control device on a handlebar and the steering device on the folding frame. The folding electric wheelchair has a reasonable structure, is suitable for various road surfaces, can be operated by one hand, steers flexibly, is assembled conveniently, and can be carried for a long trip.

Description

Folding electric wheel Wheel-chair

Technical field

The present invention relates to a kind of folding electric wheel Wheel-chair.

Background technology

People with disability or the inconvenience of old people's legs and feet use wheelchair to make walking-replacing tool when trip, and common Wheelchair structure is divided into electric wheelchair and manual wheelchair at present, but prior electric wheelchair road surface bad adaptability, it is big to be difficult for Operating Weight, is not easy to long-distance carrying.

Summary of the invention

The purpose of this invention is to provide a kind of folding electric wheel Wheel-chair, rational in infrastructure, be fit to various road surfaces, flexible operation; Singlehanded transfer can about dress mutually, people with disability's more convenience of giving a hands, this car parts can separate; Folding, easy to assembly, be convenient to long-distance carrying.

For achieving the above object; Folding electric wheel Wheel-chair of the present invention comprises two preceding bull wheels, wheel assembly, transfer, electric control gear and folding stand, and the folding stand in the folding stand drives folding stand and launches; The rear end of folding stand is provided with draw-in groove; The draw-in groove top is provided with fixedly buckle and hook, and the lower end of back connection support is placed in the draw-in groove in the trailing wheel installing rack, and the upper end of trailing wheel installing rack is through fixedly buckle is fixing with hook; Be provided with in the middle of the trailing wheel installing rack and turn to fixing head, turn to fixing head to be provided with two steady pins and two first fixed screws; Said wheel assembly comprises and turns to fixed mount, turns to connecting plate, wheel fork, is located at trailing wheel, the steering ball end in the wheel fork and is connected the butt joint pull bar two of steering ball end; The built-in hub-type motor of trailing wheel wherein; Wheel fork is turning on the fixed mount with bearing fixing; Turn to connecting plate to be fixed on wheel and stick, turn to connecting plate one end to be provided with steering ball end, turning to of wheel assembly has four fixed interfaces on the fixed mount; Be pushed into the fixed position with turning to fixed interface on the fixed mount to aim to turn on two steady pins on the fixing head, put into fixed interface to two first fixed screws and tighten the installation of just having accomplished wheel assembly.

Said transfer comprises handlebar, goes up transmission shaft, goes up bend wheel, bend wheel, transmission shaft, rocking arm, butt joint pull bar one and butt joint pull bar two down down, and wherein, handlebar one end is fixedly connected goes up transmission shaft; Horizontal push-and-pull vehicle handle, handlebar drive goes up transmission shaft, and last bend wheel rotates; Last bend wheel drives the following bend wheel that is meshed with last bend wheel and rotates; Following bend wheel drives transmission shaft rotation down, and the following transmission shaft drive terminal rocking arm of transmission shaft down swings, and rocking arm drives butt joint pull bar one and the butt joint pull bar two after docking; Butt joint pull bar one after the butt joint drives steering ball end with butt joint pull bar two, promotes to turn to connecting plate to drive wheel fork and realizes rear-axle steering.

Said transfer is an one-handed performance, and transfer is installed in the right side or the left side of folding stand.

Said handlebar is provided with speed adjusting lever, advance and retreat switch and brake lever.

Said electric control gear is battery-powered, controls the speed and the advance and retreat of trailing wheel through the speed adjusting lever on the handlebar, advance and retreat switch and electric machine controller.

The wheel of said wheel assembly is stuck to be provided with and is turned to connecting plate, turns to connecting plate to be provided with steering ball end.

Beneficial effect of the present invention is: rational in infrastructure, be fit to various road surfaces, and car body can be turn-taked 360 ° in the original place, and one hand can be installed in folding stand left side or right side to transfer, has made things convenient for the people with disability of a hands; Adopt brushless DC hub formula motor, little power consumption, life-span are long; One-handed performance turns to flexibly, and is easy to assembly, can long-distancely carry.

Description of drawings

Fig. 1 is the structural representation of the described electric motor bicycle with folding wheel of embodiment of the invention Wheel-chair;

Fig. 2 is the trailing wheel installing rack and the trailing wheel structural representation of the described electric motor bicycle with folding wheel of embodiment of the invention Wheel-chair;

Fig. 3 is the decomposition texture sketch map of Fig. 2;

Fig. 4 is the structural representation of the described electric motor bicycle with folding wheel of embodiment of the invention Wheel-chair transfer to device;

Fig. 5 is that the transfer of the described electric motor bicycle with folding wheel of embodiment of the invention Wheel-chair is to the Unit Installation structural representation.

1, preceding bull wheel; 2, folding stand; 3, trailing wheel installing rack; 4, wheel fork; 5, turn to fixed mount; 6, trailing wheel; 7, fixed interface; 8, turn to connecting plate; 9, steering ball end; 10, the back connects support; 11, turn to fixing head; 12, steady pin; 13, first fixed screw; 14, go up transmission shaft; 15, go up bend wheel; 16, following bend wheel; 17, following transmission shaft; 18, rocking arm; 19, butt joint pull bar one; 20, folding stand; 21, battery; 22, medicated cushion; 23, back of the body pad; 24, electric machine controller; 25, handlebar; 26, brake lever; 27, speed adjusting lever; 28, advance and retreat switch; 29, draw-in groove; 30, fixing buckle; 31, hook; 32, backplate; 33, movable hand-pushing handle; 34, parking brake; 35, pedal; 36, second fixed screw; 37, brake; 38, hand-pushing handle interface; 39, butt joint pull bar two.

The specific embodiment

Below in conjunction with Figure of description the present invention is done further description.

Shown in Fig. 1-3, the described electric folding wheel chair car of the embodiment of the invention comprises folding stand 2 and two that are fixed on folding stand 2 both sides preceding bull wheels 1, folding stand 20, medicated cushion 22, back of the body pad 23, backplate 32, parking brake 34, pedal 35.

Said folding stand 20 drives folding stand 2 and launches, and the rear end of folding stand 2 is provided with draw-in groove 29, and draw-in groove 29 tops are provided with fixedly buckle 30 and hook 31.The lower end that back in the trailing wheel installing rack 3 is connected support 10 is placed in the draw-in groove 29, and the upper end is provided with in the middle of the trailing wheel installing rack 3 and turns to fixing head 11 with fixedly buckle 30 is fixing with hook 31, turns to fixing head 11 to be provided with two steady pins 12 and two first fixed screws 13.Said wheel assembly comprise turn to fixed mount 5, turn to connecting plate 8, trailing wheel 6, steering ball end 9 in the wheel fork 4, wheel fork 4 and be connected the butt joint pull bar 2 39 of steering ball end 9; Trailing wheel 6 built-in hub-type motors wherein, wheel fork 4 usefulness bearing fixing are turning on the fixed mount 5, turn to connecting plate 8 to be fixed on the wheel fork 4; One end is provided with steering ball end 9; Turning to of wheel assembly has 4 fixed interfaces 7 on the fixed mount 5, turn to the steady pin 12 on the fixing head 11 with turning to fixed interface 7 on the fixed mount 5 to aim at, on be pushed into the fixed position; Put into fixed interface 7 to two first fixed screws 13 and tighten, the wheel assembly installation.

Said electric control gear is connected by electric wire; Battery 21 is installed in the rear or the below of medicated cushion 22; Electric machine controller 24 is installed in the rear inside of folding stand 2, and speed adjusting lever 27 is installed on the handlebar 25 with advance and retreat switch 28, below electric machine controller 24, is provided with and trailing wheel 6 inner wheel hub formula motor wire connecting interfaces; On the folding stand below the handlebar 25 2, be provided with automatically controlled indicator cock box; Automatically controlled indicator cock box is provided with the keyhole that starts battery, uses key operated electric power system, through speed adjusting lever on the handlebar 25 27 and speed and the advance and retreat of advance and retreat switch 28 with regard to may command trailing wheel 6.

Shown in Fig. 4-5; One end of said handlebar 25 is fixedly connected on the transmission shaft 14; Horizontal push-and-pull vehicle drives 25 and goes up transmission commentaries on classics 14 rotations, and last transmission shaft 14 drives goes up bend wheel 15 rotations, and last bend wheel 15 drives and last bend wheel 15 intermeshing bend wheels down 16 rotate; Following bend wheel 16 drives transmission shaft 17 rotations down, and last transmission shaft 14 props up to sit through bearing with following transmission shaft 17 and is fixed on the folding stand 2.

Following transmission shaft 17 rotates and drives down that transmission shaft 17 end fixed rocking arms 18 swing; rocking arm 18 drives the butt joint pull bar 1 and butt joint pull bar 2 39 after the butt joint; after butt joint pull bar 1 and 2 39 butt joints of butt joint pull bar, fixedly connect screw 36 with second to be fixed as one, but have bearing self to rotate in the rocking arm 18; rocking arm 18 with dock pull bar one 19 junctions bearing is arranged; butt joint pull bar 1 after the butt joint and butt joint pull bar 2 39 drive steering ball ends 9, steering ball end 9 drives turn to connecting plate 8, turn to connecting plate 8 drive wheel forks 4 and trailing wheel 6 motion realization to turn to.

Be provided with the brake cable interface in folding stand 2 outsides, the brake lever 26 on the handlebar 25 connects the brake 37 on the trailing wheel 6 through brake cable, outage in brake; During parking, the parking brake 34 braking front-wheels that are arranged on the folding stand 2 are safer.

On backplate 32, be provided with movable hand-pushing handle 33, movable hand-pushing handle 33 is plugged in the wheel fork 4 vertical hand-pushing handle interfaces 38, just can make things convenient for other people to promote and turn to.

More than; Be merely preferred embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model that claim was defined.

Claims

1. a folding electric is taken turns Wheel-chair; Bull wheel, wheel assembly, transfer, electric control gear and folding stand before comprising two; It is characterized in that: the folding stand in the folding stand drives folding stand and launches, and the rear end of folding stand is provided with draw-in groove, and the draw-in groove top is provided with fixedly buckle and hook; The lower end of back connection support is placed in the draw-in groove in the trailing wheel installing rack; The upper end of trailing wheel installing rack is provided with in the middle of the trailing wheel installing rack and turns to fixing head through fixedly buckle is fixing with hook, turns to fixing head to be provided with two steady pins and two first fixed screws; Said wheel assembly comprises and turns to fixed mount, turns to connecting plate, wheel fork, is located at trailing wheel, the steering ball end in the wheel fork and is connected the butt joint pull bar two of steering ball end; The built-in hub-type motor of trailing wheel wherein; Wheel fork is turning on the fixed mount with bearing fixing; Turn to connecting plate to be fixed on wheel and stick, turn to connecting plate one end to be provided with steering ball end, turning to of wheel assembly has four fixed interfaces on the fixed mount; Be pushed into the fixed position with turning to fixed interface on the fixed mount to aim to turn on two steady pins on the fixing head, put into fixed interface to two first fixed screws and tighten the installation of just having accomplished wheel assembly.

2. folding electric according to claim 1 wheel Wheel-chair is characterized in that: said transfer comprises handlebar, goes up transmission shaft, goes up bend wheel, bend wheel, transmission shaft, rocking arm, butt joint pull bar one and butt joint pull bar two down down, wherein; Handlebar one end is fixedly connected goes up transmission shaft; Horizontal push-and-pull vehicle handle, handlebar drive goes up transmission shaft, and last bend wheel rotates; Last bend wheel drives the following bend wheel that is meshed with last bend wheel and rotates; Following bend wheel drives transmission shaft rotation down, and the following transmission shaft drive terminal rocking arm of transmission shaft down swings, and rocking arm drives butt joint pull bar one and the butt joint pull bar two after docking; Butt joint pull bar one after the butt joint drives steering ball end with butt joint pull bar two, promotes to turn to connecting plate to drive wheel fork and realizes rear-axle steering.

3. folding electric wheel Wheel-chair according to claim 1, it is characterized in that: said transfer is an one-handed performance, transfer is installed in the right side or the left side of folding stand.

4. folding electric wheel Wheel-chair according to claim 1, it is characterized in that: said handlebar is provided with speed adjusting lever, advance and retreat switch and brake lever.

5. folding electric wheel Wheel-chair according to claim 1, it is characterized in that: said electric control gear is battery-powered, controls the speed and the advance and retreat of trailing wheel through the speed adjusting lever on the handlebar, advance and retreat switch and electric machine controller.

6. folding electric wheel Wheel-chair according to claim 1, it is characterized in that: the wheel of said wheel assembly is stuck to be provided with and is turned to connecting plate, turns to connecting plate to be provided with steering ball end.