A kind of Foldable electric wheel Wheel-chair
Technical field
The present invention relates to a kind of Wheel-chair of taking turns, especially relate to a kind of Foldable electric wheel Wheel-chair.
Background technology
Along with Chinese old people is more and more, electric wheelchair also receives liking of broad masses deeply, but the function ratio of prior electric wheel Wheel-chair is more single, carries inconvenience, not enough hommization.
Summary of the invention
Technical problem to be solved by this invention provides that a kind of function is many, safety and comfort, folding convenient, have more a kind of Foldable electric wheel Wheel-chair of human oriented design.
The present invention solves the problems of the technologies described above the technical scheme that is adopted; A kind of Foldable electric wheel Wheel-chair comprises Foldable frame, preceding steering wheel and rear main wheel, and described folding stand front end is provided with collapsible direction device; Described back of the body frame is provided with folding top; It is characterized in that described Foldable frame comprises mounting, step frame and fender bracket, be connected with fender bracket, link and preceding foot rest on the described mounting, described fender bracket and described link are parallel with described preceding foot rest; The lower end of described fender bracket and described link and described preceding foot rest is connected with the step frame; The upper shaft of described link and described preceding foot rest is connected to handguard, and described step frame is parallel with described mounting and described handguard, and described mounting and described handguard rear end are connected with back of the body frame; The foot rest upper shaft is connected to rear leg before described; Described rear leg is provided with chute, and described mounting rear end is provided with slide-bar, is provided with the semi-automatic extensible device between described preceding foot rest and the described slide-bar; Described slide-bar is sliding up and down in described chute under the control of said semi-automatic extensible device; Described slide-bar was in the lower end of said chute when described semi-automatic extensible device was upheld, and this moment, described electric wheel-chair vehicle was a folded state, and described slide-bar was in the upper end of said chute when described semi-automatic extensible device was withdrawn; Described electric wheel-chair vehicle is for being opened into duty at this moment, and described rear leg lower end is provided with drivewheel.
Described back of the body frame rear side is provided with power, and described power connects variator, is connected with the power transverse axis on the described variator; Two ends of said power transverse axis are provided with power arm; Said back of the body frame two sides are provided with the power arm groove, and the upper shaft of said power arm is connected on the rear end of said folding top, also are provided with passive arm between two sides of said folding top and described back of the body frame two sides; Described passive arm is arranged on the outside of said power arm; The upper end of said power arm groove is provided with first contact switch, and the lower end of said power arm groove is provided with second contact switch, and described power arm contacts with first or second contact switch when upper and lower swing.
The upper end of foot rest is provided with the semi-automatic extensible device before said; Described semi-automatic extensible device comprises sleeve pipe and expansion link; A said telescopic end is coupling and before described, on the foot rest, is movably set with expansion link in the described sleeve pipe, and an end of said expansion link is coupling on described slide-bar; Described sleeve pipe is provided with spring; Described spring is provided with alignment pin, and said sleeve pipe and described expansion link are provided with the locating hole with described alignment pin kissing, when described expansion link is retracted in the described sleeve pipe; Be described electric wheel-chair vehicle when becoming to open shape, described alignment pin automatically locks described sleeve pipe and described expansion link under the effect of said spring.
Described fender bracket rear side is provided with the direction pedestal; Described direction pedestal upper end is provided with contiguous block, and described contiguous block is provided with regulating tank, is provided with the direction axle sleeve in the described regulating tank; Described direction pedestal lower end is connected with direction activity stock; Described direction activity stock upper end is provided with the direction axis hole, and described direction activity stock lower end is provided with end cover, is movably set with the steering yoke sleeve pipe in described direction axis hole and cover of the described end and the described direction axle sleeve; Be provided with irregular circular hole in the described steering yoke sleeve pipe; Be provided with the direction expansion link of kissing in the described irregular circular hole, described steering yoke sleeve pipe upper end is provided with the degree of tightness fastener, and described direction expansion link upper end is provided with steering handle.
Described steering yoke sleeve pipe lower end is provided with the direction sheave; Described direction sheave is provided with the direction hauling rope; The preceding lower end of said step frame is connected with the steering wheel bumper bracket; The preceding crosspiece of said steering wheel bumper bracket is arranged with limited block, and side and described limited block that described direction hauling rope passes direction activity stock form a loop, and the side of said direction activity stock and the direction hauling rope between the described limited block are provided with spacing flexible pipe.
Two sides of described steering wheel bumper bracket are provided with the steering wheel axle sleeve; Be provided with the steering wheel rotating shaft in the described steering wheel axle sleeve; The lower end of said steering wheel rotating shaft is provided with direction guiding piece and direction wheel shaft; Described left and right directions wheel shaft is provided with steering wheel, and described left and right directions guiding piece is provided with the direction traction item, and described direction traction item is provided with fixed block; A bit being fixed on the described fixed block of said direction hauling rope; The back cross rail of said steering wheel bumper bracket is provided with spring(-supported) mount, and the posterior end of described step frame is provided with the telescopic spring(-supported) mount with described spring(-supported) mount kissing, and the spring(-supported) mount between described steering wheel bumper bracket and the described step frame is provided with buffer spring.
Compared with prior art, advantage of the present invention is simple in structure, folds, opens conveniently, and volume after folding is littler, opens safety when going, comfortable, and function is complete, and is easy to operate.
Description of drawings
Fig. 1 is a three-dimensional structure diagram of the present invention;
Fig. 2 is a vehicle frame three-dimensional structure diagram of the present invention;
Fig. 3 is a vehicle frame folding procedure chart of the present invention;
Fig. 4 is a folding three-dimensional structure diagram of the present invention;
Fig. 5 is a vehicle frame two-dimensional side view of the present invention;
Fig. 6 is a folding top three-dimensional structure diagram of the present invention;
Fig. 7 is folding top folding process figure of the present invention;
Fig. 8 is the folding exploded view of folding top of the present invention;
Fig. 9 is the folding figure of folding top of the present invention;
Figure 10 stretches, contracts and the exploded perspective structure chart for semi-automatic extensible device of the present invention;
Figure 11 is a sectional perspective structure chart of the present invention;
Figure 12 is a collapsible direction device three-dimensional structure diagram of the present invention;
Figure 13 is a collapsible direction device exploded view of the present invention;
Figure 14 is a collapsible direction device of the present invention partial perspective view;
Figure 15 is that steering yoke of the present invention is folding, the retraction axonometric chart;
Figure 16 is a collapsible direction device partial exploded view of the present invention.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
A kind of electric wheel-chair vehicle comprises Foldable frame 1, collapsible direction device 2, folding top 3, semi-automatic extensible device 4, reaches preceding steering wheel 5 and rear main wheel 6, and folding stand 1 is provided with mounting 14; Be connected with fender bracket 17, link 13 and preceding foot rest 11 on the mounting 14, fender bracket 17 and link 13 are parallel with preceding foot rest 11, and the lower end of fender bracket 17 and link 13 and preceding foot rest 11 is connected with step frame 18; The upper shaft of link 13 and preceding foot rest 11 is connected to handguard 16, and step frame 18 is parallel with mounting 14 and handguard 16, and the rear end of mounting 14 and handguard 16 is connected with back of the body frame 15; Preceding foot rest 11 upper shafts are connected to rear leg 12; Rear leg 12 is provided with chute 19, and mounting 14 rear ends are provided with slide-bar 41, is provided with semi-automatic extensible device 4 between preceding foot rest 11 and the slide-bar 41; Slide-bar 41 is sliding up and down in chute 19 under the control of automatic extending-contracting apparatus 4; Slide-bar 41 was in the lower end of chute 19 when semi-automatic extensible device 4 was upheld, and this moment, electric wheel-chair vehicle was a folded state, and slide-bar 41 is in the upper end of chute 19 during 4 withdrawals of semi-automatic extensible device; Electric wheel-chair vehicle is for being opened into duty at this moment, and rear leg 12 lower ends are provided with drivewheel 6.
Back of the body frame 15 rear sides are provided with power 35, and power 35 connects variator 36, is connected with power transverse axis 34 on the variator 36; Back of the body frame 15 is provided with axis hole 34-1, and two ends of power transverse axis 34 are provided with power arm 32, and back of the body frame 15 2 sides are provided with power arm groove 39; The upper shaft of power arm 39 is connected on the rear end of top 31; Also be provided with passive arm 33 between two sides of top 31 and back of the body frame 15 2 sides, lower end two sides of top 31 are provided with the contiguous block 33-1 of passive arm 33, and rear end two sides of top 31 are provided with the contiguous block 32-1 of power arm 32; Passive arm is arranged on the outside of said power arm; Just unaffected mutually when folding like this, the upper end of power arm groove 39 is provided with first contact switch 37, and the lower end of power arm groove 39 is provided with second contact switch 38; Power arm 32 upwards rotated and touches first contact switch 37 and will stop when folding top was opened, otherwise power arm 32 down rotates and touches second contact switch 38 and also can stop when folding.
The upper end of preceding foot rest 11 is provided with semi-automatic extensible device 4, and semi-automatic extensible device 4 comprises sleeve pipe 43 and expansion link 44, and the shaft-jointed hole 42 on the sleeve pipe 43 is coupling on the pro-foot rest 11; Be movably set with expansion link 44 in the sleeve pipe 43; Shaft-jointed hole 42-1 on the expansion link 44 is coupling on slide-bar 41, and sleeve pipe 43 is provided with spring 45, and spring 45 is provided with alignment pin 46; Sleeve pipe 43 and expansion link 44 are provided with the locating hole 47,48 with alignment pin 46 kissings; When expansion link 44 was retracted in the sleeve pipe 43, when promptly electric wheel-chair vehicle became to open shape, alignment pin 46 automatically locked sleeve pipe 43 and expansion link 44 under the effect of spring 45.
Fender bracket 17 is connected with step frame 18 with the lower end of link 13 and preceding foot rest 11, and fender bracket and direction pedestal are that one is referred to as 17, and direction pedestal 17 upper ends are provided with contiguous block; Contiguous block is provided with regulating tank 20, is provided with direction axle sleeve 25 in the regulating tank 20, the angle of regulating tank 20 scalable steering yokes; Direction pedestal 17 lower ends are connected with direction activity stock 28; Direction activity stock 28 upper ends are provided with the direction axis hole, and direction activity stock lower end is provided with end cover, are movably set with steering yoke sleeve pipe 23 in direction axis hole and end cover and the direction axle sleeve 25; Be provided with irregular circular hole in the steering yoke sleeve pipe 23; Be provided with the direction expansion link 21 of kissing in the irregular circular hole, irregular circular hole can make steering yoke sleeve pipe 23 and direction expansion link 21 when rotating, be consistent, and steering yoke sleeve pipe upper end is provided with degree of tightness fastener 24; Direction expansion link 21 upper ends are provided with steering handle 22, but the height of degree of tightness fastener 24 fixed-direction expansion links 21 and steering handle 22.
Steering yoke sleeve pipe 23 lower ends are provided with direction sheave 26; Direction sheave 26 is provided with direction hauling rope 27; The preceding lower end of step frame 18 is connected with steering wheel bumper bracket 51; The preceding crosspiece of steering wheel bumper bracket 51 is arranged with limited block 60, and side and limited block 60 that direction hauling rope 27 passes direction activity stock 28 form a loop, and the side and the direction hauling rope 27 between the limited block 60 of direction activity stock 28 are provided with spacing flexible pipe 29.
Two sides of steering wheel bumper bracket 51 are provided with steering wheel axle sleeve 52; Be provided with steering wheel rotating shaft 55 in the steering wheel axle sleeve 52, the lower end of steering wheel rotating shaft 55 is provided with direction guiding piece 57 and direction wheel shaft 56, and left and right directions wheel shaft 56 is provided with steering wheel 5; Left and right directions guiding piece 57 is provided with direction traction item 58; Direction traction item 58 is provided with fixed block 59, a bit being fixed on the fixed block 59 of direction hauling rope 27, and it is flexible that direction sheave 26 drives direction hauling ropes 27; Flexible drive direction traction item 58 move left and right of direction hauling rope 27 are controlled direction; The back cross rail of direction bumper bracket 51 is provided with spring(-supported) mount 53, and the posterior end of step frame is provided with the telescopic spring(-supported) mount with described spring(-supported) mount kissing, and the spring(-supported) mount 53 between the posterior end of steering wheel bumper bracket 51 and step frame 18 is provided with buffer spring 54.
Handguard 16 is 81 with being coupling of preceding foot rest 11, and handguard 16 is 82 with being coupling of frame 15 of the back of the body, and handguard 16 is 83 with being coupling of link 13; Preceding foot rest 11 is 84 with being coupling of rear leg 12; Mounting 14 is 85 with being coupling of frame 15 of the back of the body, and mounting 14 is 86 with being coupling of preceding foot rest 11, and mounting 14 is 87 with being coupling of link 13; Mounting 14 is 88 with being coupling of fender bracket 17; Preceding foot rest 11 is 89 with being coupling of step frame 18, and link 13 is 90 with being coupling of step frame 18, and fender bracket 17 is 91 with being coupling of step frame 18.