CN212308238U

CN212308238U - Automatic wheelchair

Info

Publication number: CN212308238U
Application number: CN202020524661.5U
Authority: CN
Inventors: 朱江涛; 向文林; 邹加兵; 刘继辉; 汤颖颖; 许立; 黄子亮; 陈可夫; 张琦
Original assignee: Zuodian Industrial Hubei Co Ltd
Current assignee: Zuodian Industrial Hubei Co Ltd
Priority date: 2020-04-11
Filing date: 2020-04-11
Publication date: 2021-01-08
Anticipated expiration: 2030-04-11

Abstract

The utility model relates to the technical field of automatic wheelchairs, in particular to an automatic wheelchair, which comprises a cross beam, wherein a seat cushion is welded on the surface of the cross beam, a transmission mechanism is arranged at the bottom of the seat cushion, a support plate is welded at the bottom of the seat cushion, a support column is inserted at the left side of the cross beam, a backrest is welded on the surface of the support column, a handle is inserted at the top of the support column, a rotating shaft is connected with the inner part of the support plate in a rotating way, tires are welded at the front part and the rear part of the rotating shaft, a manual mechanism is arranged inside the tires, the utility model provides an automatic wheelchair, a hand-push ring is rotated to drive a turntable to rotate, when a contact touches a contact B, a brake stops working, a motor starts back to drive the gear B to rotate, the gear B drives the gear to rotate, the gear B drives the rotating shaft to rotate, the operation can be conveniently and simply carried out, and the utility model is very suitable for the elderly people.

Description

Automatic wheelchair

Technical Field

The utility model relates to an automatic wheelchair technical field specifically is an automatic wheelchair.

Background

The automatic wheelchair is an important tool for rehabilitation, not only is a walking tool for physically disabled persons and mobility-handicapped persons, but also is more important for them to perform physical exercises and participate in social activities by means of the automatic wheelchair. The common automatic wheelchair is generally composed of an automatic wheelchair frame, wheels, a brake device and a seat back. The hand-operated automatic wheelchair is additionally provided with a hand-operated device on the basis of the common automatic wheelchair. The electric automatic wheelchair is additionally provided with an electronic power assisting system on the basis of a common wheelchair, so that the physical consumption of a user is reduced. On the basis of the electric automatic wheelchair, the intelligent automatic wheelchair is additionally provided with positioning movement, standing movement, remote control movement and related internet and life assistance.

Most automatic wheelchairs in the existing market, factor of safety is not high, make easy emergence accident when not having the people to nurse, make when automatic wheelchair is not gone, some automatic wheelchairs do not have the manual brake, the automatic wheelchair that has the manual brake, the user can forget the manual brake sometimes, when the highway section of berthing has certain slope, under the condition of not having the people to nurse, probably can the accident take place, the potential safety hazard has, in the driving process, can touch down the bank very probably, or press from the stone, can cause the rollover, make the user receive the injury very probably, and most electronic automatic wheelchair operation interface all is on the handrail, it is very pleasing to the eye, and the button is numerous, most users are old, the acceptance is not strong, can not use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic wheelchair to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an automatic wheelchair, includes the crossbeam, the skin weld of crossbeam has the seatpad, the bottom of seatpad is provided with drive mechanism, the bottom welding of seatpad has the backup pad, the skin weld of crossbeam has the baffle, the top welding of baffle has the handrail, it has the support column to peg graft in the left side of crossbeam, the skin weld of support column has the back, peg graft in the top of support column has the handle, the internal rotation of backup pad is connected with the pivot, the tire has all been welded at the front portion and the rear portion of pivot, the inside of tire is provided with manually-operated mechanism.

Preferably, the frame is inserted on the surface of the cross beam, the pedal is rotatably connected to the right side of the frame, a telescopic column is welded at the bottom of the seat cushion, a damping spring is sleeved on the surface of the telescopic column, universal wheels are welded at the bottom of the telescopic column, the seat cushion and the backrest are made of stainless steel, and artificial leather is sleeved on the surfaces of the seat cushion and the backrest.

Preferably, drive mechanism is including the work box, there are motor and lithium cell on the inner wall of work box through bolted connection, and the motor is located the front portion of lithium cell, the output welding of motor has No. two gears, the surface toothing of No. two gears has a gear, the inner wall welding of work box has the brake.

Preferably, the top of the working box is welded at the bottom of the seat cushion, the inner wall of the working box is rotatably connected to the surface of the rotating shaft, the inside of the first gear is inserted into the surface of the rotating shaft, and the inside of the brake is rotatably connected to the surface of the rotating shaft.

Preferably, manual mechanism is including the hand push circle, the skin weld of hand push circle has a plurality of spliced pole, the rear portion welding of spliced pole has the carousel, the skin weld of carousel has the contact No. one, the skin weld of carousel has reset spring, No. two contacts have been placed on reset spring's right side, the right side welding of No. two contacts has the outer lane.

Preferably, the surface sliding connection of carousel is at the inner wall of outer lane, reset spring's right side welding is at the inner wall of outer lane, the surface sliding connection of outer lane is at the inner wall of tire.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this automatic wheelchair, in the use, rotate the hand push circle, the hand push circle passes through the spliced pole and drives the carousel and rotate together, when a contact on the carousel is touch No. two contacts, the brake can stop work, the motor can start to drive No. two gears and rotate, No. two gears drive a gear and rotate, a gear drives the pivot and rotates, the pivot drives the tire and rotates, reverse rotation can fall back, thereby need not numerous button, convenient simple just can operate, be particularly suitable for the use of old age group crowd, when needs stop, only need loose hand, at this moment reset spring can reset the carousel, contact and No. two contact separations this moment, the motor can stall, the brake can start at once, thereby can oneself brake when having reached not using, need not the manual hand brake that pulls, reduce the emergence of incident.

2. This automatic wheelchair, when traveling to rugged road section, the damping spring on flexible post surface can carry out the shock attenuation to help the user to go on in rugged road section, make it can not cause the car that turns over because of bank down or pressing the stone, ensured life safety, provide convenient for user's trip.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a right side sectional view of the transmission mechanism of the present invention;

fig. 3 is a sectional view of the manual mechanism of the present invention;

fig. 4 is a side sectional view of the hand-operated mechanism of the present invention;

fig. 5 is a rear view of the overall structure of the present invention.

In the figure: 1. a cross beam; 2. a transmission mechanism; 3. a tire; 4. a manual mechanism; 5. a pedal; 6. a universal wheel; 7. a frame; 8. a telescopic column; 9. a damping spring; 10. a support plate; 11. a seat cushion; 12. a backrest; 13. a handle; 14. a support pillar; 15. a handrail; 16. a baffle plate; 17. a rotating shaft; 21. a work box; 22. a motor; 23. a lithium battery; 24. a brake; 25. a first gear; 26. a second gear; 41. pushing the ring by hand; 42. connecting columns; 43. a turntable; 44. a first contact; 45. a return spring; 46. a contact number two; 47. and an outer ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-5, the present invention provides a technical solution:

the utility model provides an automatic wheelchair, including crossbeam 1, the skin weld of crossbeam 1 has seatpad 11, the bottom of seatpad 11 is provided with drive mechanism 2, the bottom weld of seatpad 11 has backup pad 10, the skin weld of crossbeam 1 has baffle 16, the top weld of baffle 16 has handrail 15, it has support column 14 to peg graft in the left side of crossbeam 1, the skin weld of support column 14 has back 12, it has handle 13 to peg graft in the top of support column 14, the internal rotation of backup pad 10 is connected with pivot 17, tire 3 has all been welded at the front portion and the rear portion of pivot 17, the inside of tire 3 is provided with manually-operated mechanism 4.

In addition, frame 7 has been pegged graft on crossbeam 1's surface, frame 7's right side is rotated and is connected with footboard 5, the welding of seatpad 11's bottom has flexible post 8, damping spring 9 has been cup jointed on flexible post 8's surface, the welding of flexible post 8's bottom has universal wheel 6, the material of seatpad 11 and back 12 is the stainless steel, and the artificial leather has all been cup jointed on seatpad 11 and back 12's surface, the time user takes more comfortablely, and artificial leather is dirty resistant, the ash that is difficult for falling, the convenience is cleaned.

In addition, the transmission mechanism 2 comprises a working box 21, the inner wall of the working box 21 is connected with a motor 22 and a lithium battery 23 through bolts, the motor 22 is located at the front part of the lithium battery 23, a second gear 26 is welded at the output end of the motor 22, a first gear 25 is meshed on the surface of the second gear 26, and a brake 24 is welded on the inner wall of the working box 21, so that the wheelchair can automatically run, the wheelchair does not need to be manually rotated, and convenience is brought to people in the elderly.

Furthermore, the top of the working box 21 is welded at the bottom of the seat cushion 11, the inner wall of the working box 21 is rotatably connected to the surface of the rotating shaft 17, the inside of the first gear 25 is inserted into the surface of the rotating shaft 17, and the inside of the brake 24 is rotatably connected to the surface of the rotating shaft 17, so that the brake is arranged at the bottom of the wheelchair, and is more attractive.

Furthermore, the manual mechanism 4 comprises a hand-push ring 41, a plurality of connecting columns 42 are welded on the surface of the hand-push ring 41, a turntable 43 is welded on the rear portion of each connecting column 42, a first contact 44 is welded on the surface of the turntable 43, a return spring 45 is welded on the surface of the turntable 43, a second contact 46 is placed on the right side of the return spring 45, an outer ring 47 is welded on the right side of the second contact 46, the brake 24 is always in a braking state when the first contact 44 and the second contact 46 are not in contact, and safety of a user is guaranteed.

It should be noted that the surface of the turntable 43 is slidably connected to the inner wall of the outer ring 47, the right side of the return spring 45 is welded to the inner wall of the outer ring 47, the surface of the outer ring 47 is slidably connected to the inner wall of the tire 3, which is convenient for the user to operate, so that the operation is simplified, and the outer ring 47 cannot rotate due to the rotation of the tire 3.

In this embodiment, the ac motor 22 may be a YCT-series speed-regulating motor manufactured by shanghai feng xin transmission machinery limited, and its matching circuit and power supply are also provided by the manufacturer; furthermore, the present invention relates to circuits, electronic components and modules, which are known in the art, and can be implemented by those skilled in the art without exception, and the present invention also does not relate to improvements to software and methods.

When the automatic wheelchair of the utility model is used, the hand push ring 41 is rotated, the hand push ring 41 drives the turntable 43 to rotate together through the connecting column 42, when the first contact 44 on the turntable 43 touches the second contact 46, the brake 24 stops working, the motor 22 is started to drive the second gear 26 to rotate, the second gear 26 drives the first gear 25 to rotate, the first gear 25 drives the rotating shaft 17 to rotate, the rotating shaft 17 drives the tire 3 to rotate, the reverse rotation can be reversed, thereby needing no more keys, the operation can be conveniently and simply carried out, the automatic wheelchair is very suitable for people in advanced age, when the automatic wheelchair needs to be stopped, only the hand is loosened, at the moment, the reset spring 45 resets the turntable 43, the first contact 44 and the second contact 46 are separated, the motor 22 stops rotating, the brake 24 can be started immediately, thereby achieving the self-braking when the automatic wheelchair is not used, need not the manual hand brake that draws of people, reduce the emergence of incident, when going to the rugged road section, damping spring 9 on 8 surfaces of flexible post can carry out the shock attenuation to help the user to go on in rugged road section, make it can not cause the car that turns over because of bank down or press the stone, ensured life safety, it is convenient to provide for user's trip.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An automatic wheelchair comprising a cross-member (1), characterized in that: the utility model discloses a tire structure, including crossbeam (1), surface welding has seatpad (11), the bottom of seatpad (11) is provided with drive mechanism (2), the bottom welding of seatpad (11) has backup pad (10), the surface welding of crossbeam (1) has baffle (16), the top welding of baffle (16) has handrail (15), it has support column (14) to peg graft in the left side of crossbeam (1), the surface welding of support column (14) has back (12), it has handle (13) to peg graft in the top of support column (14), the internal rotation of backup pad (10) is connected with pivot (17), tire (3) have all been welded at the front portion and the rear portion of pivot (17), the inside of tire (3) is provided with manually-operated mechanism (4).

2. The automated wheelchair of claim 1, wherein: frame (7) are pegged graft on the surface of crossbeam (1), the right side of frame (7) is rotated and is connected with footboard (5), the bottom welding of seatpad (11) has flexible post (8), damping spring (9) have been cup jointed on the surface of flexible post (8), the bottom welding of flexible post (8) has universal wheel (6), the material of seatpad (11) and back (12) is the stainless steel, and the surface of seatpad (11) and back (12) has all cup jointed artificial leather.

3. The automated wheelchair of claim 1, wherein: drive mechanism (2) are including work box (21), there are motor (22) and lithium cell (23) inner wall of work box (21) through bolted connection, and motor (22) are located the front portion of lithium cell (23), the output welding of motor (22) has No. two gears (26), the surface toothing of No. two gears (26) has gear (25), the inner wall welding of work box (21) has brake (24).

4. An automated wheelchair according to claim 3, wherein: the top of the working box (21) is welded at the bottom of the seat cushion (11), the inner wall of the working box (21) is rotatably connected to the surface of the rotating shaft (17), the inside of the first gear (25) is inserted into the surface of the rotating shaft (17), and the inside of the brake (24) is rotatably connected to the surface of the rotating shaft (17).

5. The automated wheelchair of claim 1, wherein: manual mechanism (4) are including hand push circle (41), the skin weld of hand push circle (41) has a plurality of spliced pole (42), the rear portion welding of spliced pole (42) has carousel (43), the skin weld of carousel (43) has contact (44) No. one, the skin weld of carousel (43) has reset spring (45), No. two contacts (46) have been placed on the right side of reset spring (45), the right side welding of No. two contacts (46) has outer lane (47).

6. The automated wheelchair of claim 5, wherein: the surface sliding connection of carousel (43) is in the inner wall of outer lane (47), the right side welding of reset spring (45) is at the inner wall of outer lane (47), the surface sliding connection of outer lane (47) is at the inner wall of tire (3).