CN209933240U

CN209933240U - Portable folding wheelchair

Info

Publication number: CN209933240U
Application number: CN201920066556.9U
Authority: CN
Inventors: 陈文锋; 黄泽辉; 周守雄; 王忠胜; 蒋进良
Original assignee: Guangdong Dayang Medical Polytron Technologies Inc
Current assignee: Guangdong Dayang Medical Polytron Technologies Inc
Priority date: 2019-01-16
Filing date: 2019-01-16
Publication date: 2020-01-14
Anticipated expiration: 2029-01-16

Abstract

The utility model discloses a portable folding wheelchair, the structure of which comprises a bottom support frame, a back support frame, a connecting block, a bolt, a button, a handle, a cushion, a back cushion, a handrail, a controller, a first support frame, a rotary shaft seat, a crank arm and a front wheel, in order to solve the problem that the wheelchair is easy to fall down on slopes with different inclinations, thereby causing certain injury to users, and simultaneously the problem of poor folding effect when not in use, the auxiliary wheel is arranged on the inner side of a bull wheel, and the distance between the auxiliary wheel and the bull wheel can be adjusted through a sliding plate, thereby the slopes with different inclinations can play a role of falling prevention, and when folding, the wheelchair can be folded by loosening a lock switch, a pipe sleeve is separated from the support seat, the falling can be realized through the support of the support pipe seat and the back support point, then the bolt is separated from a positioning hole through the button, the folding of the wheelchair can, thereby achieving the effect of quick folding.

Description

Portable folding wheelchair

Technical Field

The utility model relates to a wheelchair car technical field, concretely relates to portable folding wheelchair car.

Background

The wheelchair is an important rehabilitation tool, is not only a walking tool for physically disabled people, but also is more important for the physically disabled people to do physical exercises and participate in social activities by means of the wheelchair, and is mainly suitable for the disabled lower limbs, the hemiplegic people, the paraplegic people below the chest and the old with inconvenient movement.

However, the wheelchair of the prior art is easy to fall after going up slopes with different slopes, thereby causing certain damage to users, and the folding effect is poor when the wheelchair is not used.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects of the prior art, the portable folding wheelchair is provided at present to solve the problem that the wheelchair in the prior art is easy to fall down on slopes with different slopes, thereby causing certain damage to users and having poor folding effect when not in use.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a portable folding wheelchair, which comprises a bottom support frame, a rear support frame, a connecting block, a bolt, a button, a handle, a cushion, a back cushion, a handrail, a controller, a first support frame, a rotary shaft seat, a crank arm, a front wheel, a second support frame, a foot pad, a bull wheel, a backward turning seat, a support rod, a sleeve, a support seat, a square tube, a first joint, a second joint, an auxiliary wheel mounting screw, a sliding plate, a bull wheel fixing plate, a positioning button, a torsion spring, a battery box, a switch and a return spring, wherein the front end of the bottom support frame is arc-shaped, the left side and the right side of the rear end are fixedly connected with the rear support frame through the bolt through the connecting block, the middle part of the rear end of the connecting block is provided with the button, the top end of the rear support frame is provided, the middle parts of the left and right ends of the rear support frame are locked and fixed with the backward turning seat through bolts, the front end of the backward turning seat is provided with a handrail, the front end of the handrail at the left front end of the rear support frame is provided with a controller, the middle parts of the bottom ends of the handrails are respectively locked and fixed with the support rod seats through bolts, the bottom ends of the support rod seats are respectively rotatably connected with the support rods, the bottom ends of the support rods are fixedly connected with the support seats through sleeves, the inner sides of the support seats are respectively fixedly connected with the middle upper ends of the outer sides of the square tubes, the front ends of the bottom ends of the square tubes are rotatably connected with the first support frame through first joints, the outer side of the bottom end of the first support frame is provided with a rotating shaft seat, the bottom ends of the rotating shaft seats are rotatably connected with a crank arm, the inner sides of the crank arm, the utility model discloses a portable electronic device, including second support frame, side pipe, bull wheel, auxiliary wheel, sliding plate, return spring, switch, second support frame front end bottom inboard is connected with the callus on the sole rotation, side pipe rear end is connected with the bull wheel rotation, the bull wheel inboard is provided with the auxiliary wheel, both ends middle part is rotated with the sliding plate through auxiliary wheel installation screw about the auxiliary wheel and is connected, sliding plate top terminal surface middle part is through bull wheel fixed plate and side pipe fixed connection, sliding plate inboard middle part is provided with positioning button to be provided with torsion spring between positioning button and the sliding plate, battery case bottom front end is provided with the switch, the inside return spring.

Furthermore, the top end face of the controller is sequentially provided with a display screen, a control button and an operating lever from front to back.

Furthermore, the top end of the handrail is provided with a handrail pad, and the inside of the handrail pad is wrapped with sponge blocks.

Furthermore, a lock switch is arranged at the bottom of the rear end of the sleeve, and a compression spring and a clamping pin are arranged in the sleeve.

Furthermore, a rubber pad is arranged on the top end face of the foot pad, and anti-skid grains are arranged on the top end face of the rubber pad.

Furthermore, a buckle is arranged at the rear end of the switch, and a mounting hole is formed in the position, corresponding to the buckle, of the square pipe.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

1) the phenomenon of falling after taking place easily for solving the wheelchair on the slope of last different inclinations, thereby cause certain injury to the user, folding effect difference's problem when not using simultaneously, through being provided with the auxiliary wheel in the bull wheel inboard, and can adjust the distance of auxiliary wheel and bull wheel through the sliding plate, thereby the slope that reaches different inclinations plays prevents down the effect, and can be through loosening hasp switch pipe box when folding, break away from the supporting seat, turn over after realizing with the back flip seat fulcrum effect through supporting the pipe seat, then make bolt and locating hole break away from through the button, realize the folding of wheelchair through first joint and second joint, thereby reach quick folding effect.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a left side view of the present invention;

FIG. 3 is a schematic view of the auxiliary wheel structure of the present invention;

FIG. 4 is a schematic view of a battery case according to the present invention;

in the figure: a bottom support frame-1, a rear support frame-2, a handle-3, a cushion-4, a back cushion-5, a backward turning seat-6, a handrail-7, a controller-8, a support rod seat-9, a support rod-10, a sleeve-11, a support seat-12, a square tube-13, a first joint-14, a first support frame-15, a rotary shaft seat-16, a crank-17, a front wheel-18, a second support frame-19, a second joint-20, a foot pad-21, a bull wheel-22, an auxiliary wheel-23, an auxiliary wheel mounting screw-24, a sliding plate-25, a bull wheel fixing plate-26, a positioning button-27, a torsion spring-28, a battery box-29, a switch-30, a return spring-31, a locking switch-111, a back cushion-6, a handrail-7, a, A connecting block-201, a bolt-202 and a button-203.

Detailed Description

In the technical scheme:

backward seat 6, support rod seat 9, bracing piece 10, sleeve pipe 11, supporting seat 12, square pipe 13, first joint 14, second joint 20, auxiliary wheel 23, auxiliary wheel installation screw 24, sliding plate 25, bull wheel fixed plate 26, positioning button 27, torsion spring 28, battery case 29, switch 30, return spring 31 and hasp switch 111 do the utility model discloses contain the essential innovative component.

End support frame 1, back support frame 2, connecting block 201, bolt 202, button 203, handle 3, cushion 4, cushion 5, handrail 7, controller 8, first support frame 15, pivot seat 16, turning arm 17, front wheel 18, second support frame 19, callus on the sole 21 and bull wheel 22 are for realizing the utility model discloses the essential connectivity component of technical scheme.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, 2, 3 and 4, the present invention provides a portable folding wheelchair, which comprises a bottom support frame 1, a rear support frame 2, a connection block 201, a pin 202, a button 203, a handle 3, a cushion 4, a back cushion 5, a handrail 7, a controller 8, a first support frame 15, a rotary shaft seat 16, a crank arm 17, a front wheel 18, a second support frame 19, a foot pad 21, a bull wheel 22, a backward turning seat 6, a support rod seat 9, a support rod 10, a sleeve 11, a support seat 12, a square tube 13, a first joint 14, a second joint 20, an auxiliary wheel 23, an auxiliary wheel mounting screw 24, a sliding plate 25, a bull wheel fixing plate 26, a positioning button 27, a torsion spring 28, a battery box 29, a switch 30 and a return spring 31, wherein the front end of the bottom support frame 1 is arc-shaped, the left side and the right side of the rear end of the bottom support frame are fixedly connected with the rear support frame 2 through the connection block 201, the pin 202, the, the top end of the rear support frame 2 is provided with a handle 3, the top end of the bottom support frame 1 is provided with a cushion 4, the front end of the rear support frame 2 is provided with a back cushion 5, the middle parts of the left and right ends of the rear support frame 2 are locked and fixed with a backward turning seat 6 through bolts, the front end of the backward turning seat 6 is provided with a handrail 7, the front end of the handrail 7 at the left front end of the rear support frame 2 is provided with a controller 8, the middle parts of the bottom ends of the handrail 7 are respectively locked and fixed with a support rod seat 9 through bolts, the bottom ends of the support rod seats 9 are respectively rotatably connected with support rods 10, the bottom ends of the support rods 10 are fixedly connected with a support seat 12 through a sleeve 11, the inner side of the support seat 12 is respectively fixedly connected with the middle upper end of the outer side of a square tube 13, the front end, the bottom end of the rotating shaft seat 16 is rotatably connected with a crank arm 17, the inner side of the crank arm 17 is rotatably connected with a front wheel 18, the front end of a second support frame 19 is riveted with the rotating shaft seat 16, the rear end of the second support frame 19 is rotatably connected with a square tube 13 through a second joint 20, the inner side of the bottom of the front end of the second support frame 19 is rotatably connected with a foot pad 21, the rear end of the square tube 13 is rotatably connected with a large wheel 22, the inner side of the large wheel 22 is provided with an auxiliary wheel 23, the middle parts of the left and right ends of the auxiliary wheel 23 are rotatably connected with a sliding plate 25 through an auxiliary wheel mounting screw 24, the middle part of the top end surface of the sliding plate 25 is fixedly connected with the square tube 13 through a large wheel fixing plate 26, the middle part of the inner side of the sliding plate 25 is provided with a positioning button 27, a torsion spring 28 is arranged between the positioning button 27, and the rear end of the battery case 29 is snap-coupled to the square tube 13.

Wherein, 8 top end faces of controller have set gradually display screen, control button and control rod from the front to the back, are favorable to better controlling the wheelchair.

The top ends of the handrails 7 are provided with handrail cushions, and the inside of each handrail cushion is wrapped with sponge blocks, so that a user can feel more comfortable when placing two arms.

Wherein, 11 rear end bottom of sleeve pipe is provided with hasp switch 111 to 11 insidely contain compression spring and bayonet locks in the sleeve pipe, be favorable to better joint support pole 10, thereby play better dismouting effect.

The top end face of the foot pad 21 is provided with a rubber pad, and the top end face of the rubber pad is provided with anti-skid grains, so that a better anti-skid effect is achieved through the rubber pad and the anti-skid grains.

Wherein, switch 30 rear end is provided with the buckle to square pipe 13 corresponds the position with the buckle and is provided with the mounting hole, is favorable to better installing battery case 29 to square pipe 13 on, and can play better dismouting effect.

The working principle is as follows: when the wheelchair is used, a user firstly sits on the cushion 4 of the wheelchair, then can rely on the cushion 5, then places two feet through the cushion 5, the top end face of the cushion 21 is provided with a rubber pad, the top end face of the rubber pad is provided with anti-skid lines, so that better anti-skid effect can be achieved through the rubber pad and the anti-skid lines, meanwhile, the user can also support two arms through the handrails 7, the user can control the wheelchair through a display screen, a control button and a control lever on the controller 8 during operation, or can operate through applying force by holding the family member handle 3, when the battery box 29 needs to be replaced or is not powered, the user can press the switch 30 to be separated from the mounting hole of the square tube 13 and then draw out the battery box 29, only the battery box 29 is inserted into the square tube 13 during installation, the switch 30 can automatically fall into the mounting hole of the square tube 13 through the thrust of the return, when the wheelchair is not needed to be used, a user firstly presses the lock switch 111 to enable the bayonet in the sleeve 11 to release the locking force on the supporting rod 12, then the bolt 202 is separated from the positioning hole on the connecting block 201 through the button 203, and then the folding of the wheelchair is realized through the first joint 14 and the second joint 20, when the wheelchair is used and meets oblique waves with different slopes, the distance between the auxiliary wheel 23 and the bull wheel 22 can be adjusted by loosening the positioning button 27 to enable the auxiliary wheel 23 to slide on the sliding plate 25, and the positioning can be carried out through the positioning button 27, so that the problem that the wheelchair falls backwards when running on the oblique waves with different slopes is prevented.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a portable folding wheelchair car, includes end support frame (1), back support frame (2), connecting block (201), bolt (202), button (203), handle (3), cushion (4), cushion (5), handrail (7), controller (8), first support frame (15), pivot seat (16), turning arm (17), front wheel (18), second support frame (19), callus on the sole (21) and bull wheel (22), its characterized in that: the device is characterized by further comprising a backward turning seat (6), a support rod seat (9), a support rod (10), a sleeve (11), a support seat (12), a square tube (13), a first joint (14), a second joint (20), an auxiliary wheel (23), an auxiliary wheel mounting screw (24), a sliding plate (25), a large wheel fixing plate (26), a positioning button (27), a torsion spring (28), a battery box (29), a switch (30) and a return spring (31), wherein the front end of the bottom support frame (1) is arc-shaped, the left side and the right side of the rear end of the bottom support frame (1) are fixedly connected with the rear support frame (2) through connecting blocks (201) and bolts (202), a button (203) is arranged in the middle of the rear end of each connecting block (201), a handle (3) is arranged at the top end of the rear support frame (2), a cushion (4) is arranged at the top end of the bottom support frame, the middle parts of the left end and the right end of the rear support frame (2) are locked and fixed with a rear overturning seat (6) through bolts, the front end of the rear overturning seat (6) is provided with a handrail (7), the front end of the handrail (7) at the left front end of the rear support frame (2) is provided with a controller (8), the middle part of the bottom end of the handrail (7) is respectively locked and fixed with a support rod seat (9) through bolts, the bottom end of the support rod seat (9) is respectively and rotatably connected with a support rod (10), the bottom end of the support rod (10) is fixedly connected with a support seat (12) through a sleeve (11), the inner side of the support seat (12) is respectively and fixedly connected with the middle upper end of the outer side of a square tube (13), the front end of the bottom of the square tube (13) is rotatably connected with a first support frame (15) through a first joint (14), the outer side of the bottom end of the first support frame (15) is, the inner side of the crank arm (17) is rotatably connected with a front wheel (18), the front end of a second support frame (19) is riveted with a rotary shaft seat (16), the rear end of the second support frame (19) is rotatably connected with a square tube (13) through a second joint (20), the inner side of the bottom of the front end of the second support frame (19) is rotatably connected with a foot pad (21), the rear end of the square tube (13) is rotatably connected with a large wheel (22), the inner side of the large wheel (22) is provided with an auxiliary wheel (23), the middle parts of the left and right ends of the auxiliary wheel (23) are rotatably connected with a sliding plate (25) through auxiliary wheel mounting screws (24), the middle part of the top end surface of the sliding plate (25) is fixedly connected with the square tube (13) through a large wheel fixing plate (26), the middle part of the inner side of the sliding plate (25) is provided with a positioning button (27), and a torsion spring (28) is arranged between the, the battery box is characterized in that a switch (30) is arranged at the front end of the bottom of the battery box (29), a return spring (31) is arranged inside the switch (30), and the rear end of the battery box (29) is connected with the square pipe (13) in a buckling mode.

2. A portable folding wheelchair as claimed in claim 1, wherein: the top end face of the controller (8) is sequentially provided with a display screen, a control button and an operating lever from front to back.

3. A portable folding wheelchair as claimed in claim 1, wherein: the top end of the handrail (7) is provided with a handrail pad, and the inside of the handrail pad is wrapped with sponge blocks.

4. A portable folding wheelchair as claimed in claim 1, wherein: the bottom of the rear end of the sleeve (11) is provided with a lock switch (111), and the sleeve (11) internally comprises a compression spring and a bayonet lock.

5. A portable folding wheelchair as claimed in claim 1, wherein: the top end face of the foot pad (21) is provided with a rubber pad, and the top end face of the rubber pad is provided with anti-skid grains.

6. A portable folding wheelchair as claimed in claim 1, wherein: the rear end of the switch (30) is provided with a buckle, and a mounting hole is formed in the position, corresponding to the buckle, of the square pipe (13).