CN215273999U

CN215273999U - Remote-control one-key folding and unfolding electric wheelchair

Info

Publication number: CN215273999U
Application number: CN202121522729.7U
Authority: CN
Inventors: 王春辰; 王召伟
Original assignee: Anhui Jinbaihe Medical Equipment Co ltd
Current assignee: Anhui Jinbaihe Medical Equipment Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2021-12-24
Anticipated expiration: 2031-07-06

Abstract

The utility model discloses a but folding electronic wheelchair that expandes of remote control key, including two main tributary strut, the seatpad frame, the rear wheel is all installed to two main tributary strut rear ends, all install brushless motor in every rear wheel, the front wheel support frame is all installed to two main tributary strut front ends, the front wheel connecting block is all installed to every front wheel support frame bottom, the front wheel support is all installed to every front wheel connecting block bottom, all install the front wheel on every front wheel support, be equipped with the slide support between two main tributary strut, slide support top activity articulates there is the fixed bolster, fixed bolster top surface activity articulates there is the back support, the handrail support is all installed to back support both sides, the shifting chute has all been seted up to seatpad frame both sides, seatpad frame front end both sides respectively with two main tributary strut swing joint, the rear end both sides of seatpad frame respectively with fixed bolster swing joint. The utility model discloses not only conveniently carry out manual, electronic folding, expansion operation to electronic wheelchair, convenient operation, stability height simultaneously.

Description

Remote-control one-key folding and unfolding electric wheelchair

Technical Field

The utility model relates to a wheelchair technical field especially relates to a but folding electronic wheelchair that expandes of remote control key.

Background

The electric wheelchair is mainly used for electrically driven wheelchairs, can go forward, go backward and turn, can be used indoors and outdoors, and is easy and convenient to operate. However, the electric wheelchair on the market is generally folded manually, so that the folding and the folding have great obstacles for the mobility-handicapped people, and the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but remote control key folding expansion electronic wheelchair to solve above-mentioned technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize:

a remote-control one-key folding and unfolding electric wheelchair comprises two main support frames and a seat cushion frame, wherein rear wheels are mounted at the rear ends of the bottom surfaces of the two main support frames, a brushless motor is mounted in each rear wheel, front wheel support frames are movably mounted at the front ends of the bottom surfaces of the two main support frames, a front wheel connecting block is mounted at the bottom end of each front wheel support frame, a front wheel bracket is mounted at the bottom end of each front wheel connecting block, and a front wheel is mounted on each front wheel bracket;

two be provided with the slide support between the main tributary strut, the top activity of slide support articulates there is the fixed bolster, the top surface activity of fixed bolster articulates there is the back support, the handrail support is all installed, two to the both sides of back support the one end of handrail support respectively with one side swing joint of back support, the seatpad frame sets up the top at two main tributary struts, just the shifting chute has all been seted up, two to the both sides of seatpad frame the other end of handrail support all inserts and establishes in the shifting chute that corresponds and with the shifting chute sliding connection that corresponds, the front end both sides of seatpad frame respectively with two main tributary strut swing joint, the rear end both sides of seatpad frame respectively with fixed bolster swing joint.

Preferably, the top surface of each handrail support is fixedly connected with a handrail, and the front end of one handrail support is provided with an upper controller.

Preferably, the top surface of the seat cushion frame is fixedly connected with a seat cushion, a backrest is arranged in the backrest support, and the backrest is fixedly connected with the backrest support.

Preferably, a second telescopic cylinder is arranged on the rear side of the backrest, one end of the second telescopic cylinder is movably hinged with the fixed support, and the other end of the second telescopic cylinder is movably hinged with the backrest support.

Preferably, be provided with the under bracing frame between the bottom of fixed bolster, one side both ends of under bracing frame all with slide support swing joint, the opposite side both ends of under bracing frame respectively with two front wheel connecting block swing joint, install lithium cell group, lower controller between the under bracing frame, just lower controller and lithium cell group electric connection.

Preferably, a pair of symmetrical mounting blocks is fixedly arranged at two ends of the front surface of the lower support frame, a pedal frame is arranged between the two mounting blocks, two top ends of the pedal frame are respectively movably connected with the corresponding mounting blocks, and pedals are arranged on the pedal frame.

Preferably, two the spout has all been seted up between the trailing flank of main tributary strut, the both ends of slide support are located two spouts and two spout sliding connection respectively, be provided with a pair of symmetrical first telescoping cylinder between slide support and two main tributary struts, every the one end of first telescoping cylinder all with the main tributary strut activity hinge joint that corresponds, every the other end of first telescoping cylinder all with one side activity hinge joint of slide support.

The utility model has the advantages that:

1. the utility model can conveniently control the brushless motor to carry out power work through the arrangement of the upper controller, and further conveniently drive the rear wheel and the front wheel to carry out forward and backward operations;

2. the utility model discloses electronic wheelchair car passes through the structure and realizes folding, expandes the function with many connecting rods structure, and then conveniently carries out manual folding, sets up through the cooperation of lower controller, and lower controller synchro control first telescoping cylinder, second telescoping cylinder carry out work, conveniently drives automatically controlled wheelchair and carries out electronic folding operation, has not only increased the variety to electronic wheelchair folding mode, convenient operation simultaneously;

3. the utility model effectively increases the stability of the electric wheelchair when being folded and unfolded through the matching arrangement of the slideway support and the chute;

4. the utility model discloses a remote control key and last controller, lower controller can be to last controller and lower controller control operation with wireless connection's mode to the convenience carries out a key folding, expandes the operation to electric wheelchair.

Drawings

Fig. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is an exploded view of the electric wheelchair of the present invention;

fig. 3 is a left-side three-dimensional schematic view of the present invention;

fig. 4 is a three-dimensional schematic view of the first telescopic cylinder according to the present invention when it contracts;

FIG. 5 is a schematic three-dimensional view of the first telescopic cylinder of the present invention when stretched;

FIG. 6 is a three-dimensional schematic view of the electric wheelchair of the present invention when folded;

reference numerals: 1. a backrest; 2. a backrest support; 3. a lower support frame; 4. fixing a bracket; 5. a slideway support; 6. a main supporting frame; 7. a rear wheel; 8. a brushless motor; 9. a lower controller; 10. a front wheel bracket; 11. a front wheel; 12. a foot pedal; 13. a front wheel connecting block; 14. a front wheel support frame; 15. a lithium battery pack; 16. an upper controller; 17. a seat cushion frame; 18. a seat cushion; 19. a handrail; 20. a handrail support; 21. a first telescoping cylinder; 22. a second telescoping cylinder; 23. a pedal frame.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Examples

As shown in fig. 1-6, a remote-control one-key folding and unfolding electric wheelchair comprises two main support frames 6 and a seat cushion frame 17, wherein rear wheels 7 are mounted at the rear ends of the bottom surfaces of the two main support frames 6, a brushless motor 8 is mounted in each rear wheel 7, front wheel support frames 14 are movably mounted at the front ends of the bottom surfaces of the two main support frames 6, a front wheel connecting block 13 is movably mounted at the bottom end of each front wheel support frame 14, a front wheel support 10 is movably mounted at the bottom end of each front wheel connecting block 13, and a front wheel 11 is mounted on each front wheel support 10;

a slide way support 5 is arranged between the two main support frames 6, the top end of the slide way support 5 is movably hinged with a fixed support 4, the top surface of the fixed support 4 is movably hinged with a backrest support 2, both sides of the backrest support 2 are provided with handrail supports 20, the top surface of each handrail support 20 is fixedly connected with a handrail 19, the front end of one handrail support 20 is provided with an upper controller 16, one end of each handrail support 20 is respectively movably connected with one side of the backrest support 2, a seat cushion frame 17 is arranged above the two main support frames 6, both sides of the seat cushion frame 17 are provided with moving grooves, the other end of each handrail support 20 is inserted into the corresponding moving groove and is in sliding connection with the corresponding moving groove, both sides of the front end of the seat cushion frame 17 are respectively movably connected with the two main support frames 6, both sides of the rear end of the seat cushion frame 17 are respectively movably connected with the fixed support 4, the top surface of the seat cushion frame 17 is fixedly connected with a seat cushion 18, a backrest 1 is arranged in the backrest support 2, the backrest 1 is fixedly connected with the backrest support 2, a second telescopic cylinder 22 is arranged on the rear side of the backrest 1, the type of the second telescopic cylinder 22 is HR6000, the second telescopic cylinder 22 is electrically connected with an external power supply through a power line, one end of the second telescopic cylinder 22 is movably hinged with the fixed support 4, and the other end of the second telescopic cylinder 22 is movably hinged with the backrest support 2.

Be provided with under bracing frame 3 between the bottom of fixed bolster 4, one side both ends of under bracing frame 3 all with 5 swing joint of slide support, the opposite side both ends of under bracing frame 3 respectively with two front wheel connecting block 13 swing joint, install lithium cell group 15 between the under bracing frame 3, lower controller 9, and

lower controller

9 and 15 electric connection of lithium cell group, the positive both ends of under bracing frame 3 have set firmly the installation piece of a pair of symmetry, be provided with pedal frame 23 between two installation pieces, two tops of pedal frame 23 respectively with the installation piece swing joint that corresponds, and install running-board 12 on the pedal frame 23.

The rear side surfaces of the two main support frames 6 are both provided with sliding grooves, two ends of the slide rail support 5 are respectively positioned on the two sliding grooves and are in sliding connection with the two sliding grooves, a pair of symmetrical first telescopic cylinders 21 is arranged between the slide rail support 5 and the two main support frames 6, one end of each first telescopic cylinder 21 is movably hinged with the corresponding main support frame 6, and the other end of each first telescopic cylinder 21 is movably hinged with one side of the slide rail support 5. The first telescopic cylinder 21 is LSH-064, and the first telescopic cylinder 21 is electrically connected with an external power supply through a power line.

The working principle is as follows: the lithium battery pack 15 supplies power to the upper controller 16 and the lower controller 9, the upper controller 16 is electrically connected with the brushless motor 8, the lower controller 9 is electrically connected with the first telescopic cylinder 21 and the second telescopic cylinder 22, when the electric wheelchair needs to be controlled to move forwards and backwards, the upper controller 16 is started to work, the brushless motor 8 is driven to carry out power output operation, the rear wheel 7 is driven to carry out forward and backward operation, and therefore the front wheel 11 is driven to carry out forward and backward operation, and meanwhile, the front wheel connecting block 13 and the front wheel bracket 10 are movably arranged, so that steering operation can be conveniently carried out when the electric wheelchair moves forwards or backwards;

when the electric wheelchair needs to be folded and unfolded, the lower controller 9 is started to work, so as to drive the first telescopic cylinder 21 and the second telescopic cylinder 22 to synchronously extend and retract, further drive the extending end of the second telescopic cylinder 22 to extend and retract, simultaneously drive the backrest 1, the backrest support 2, the seat cushion frame 17 and the seat cushion 18 to move forwards under the hinging operation, further drive the fixed support 4 to movably hinge along the slideway support 5, further drive the handrail support 20 to slide along the moving groove on the seat cushion frame 17, conveniently drive the handrail 19 and the handrail support 20 to move, simultaneously drive the extending end of the first telescopic cylinder 21 to extend and retract under the power output of the first telescopic cylinder 21, further drive the two ends of the slideway support 5 to slide along the sliding grooves, further drive the lower support 3 to move, and simultaneously under the hinging operation, the front wheel connecting block 13 and the front wheel supporting frame 14 are driven to move, so that the front wheel supporting frame 14 is driven to contract and stretch along the main supporting frame 6, and the electric control cabinet is convenient to electrically fold;

meanwhile, the electric wheelchair also has the following functions:

the principle of automatic folding and unfolding of the electric wheelchair is as follows:

1. the electric wheelchair realizes the folding and unfolding functions through the structural part and the multi-connecting-rod structure, can be manually folded and unfolded, and can also be electrically folded and unfolded;

2. through the remote control of the remote control key, the built-in pen type push rod motor is adjusted in a main frame pipe in a telescopic mode, the multi-connecting-rod structure of the frame achieves the folding and unfolding functions along with the extension and retraction of the push rod motor, and therefore the requirements of users for folding and unfolding by one key easily are met.

The intelligent aluminum alloy electric wheelchair can be automatically folded by electric remote control, the tradition is overturned, the intelligent aluminum alloy electric wheelchair can be folded electrically or manually, and people who are inconvenient to use can easily fold or unfold the intelligent aluminum alloy electric wheelchair by one key; meanwhile, the car can be safely parked by loosening the hands, the use feeling of a user is effectively improved, the comfortable safety factor of the user is improved, and the hidden danger is not existed when the car is taken out alone!

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. The utility model provides a but electronic wheelchair of folding expansion of remote control key, includes two main tributary strut (6), seatpad frame (17), its characterized in that: rear wheels (7) are mounted at the rear ends of the bottom surfaces of the two main support frames (6), a brushless motor (8) is mounted in each rear wheel (7), front wheel support frames (14) are movably mounted at the front ends of the bottom surfaces of the two main support frames (6), a front wheel connecting block (13) is mounted at the bottom end of each front wheel support frame (14), a front wheel support (10) is mounted at the bottom end of each front wheel connecting block (13), and a front wheel (11) is mounted on each front wheel support (10);

a slideway bracket (5) is arranged between the two main supporting frames (6), the top end of the slideway bracket (5) is movably hinged with a fixed bracket (4), the top surface of the fixed support (4) is movably hinged with a backrest support (2), the two sides of the backrest support (2) are both provided with armrest supports (20), one end of each armrest support (20) is movably connected with one side of the backrest support (2), the seat cushion frame (17) is arranged above the two main supporting frames (6), and both sides of the seat cushion frame (17) are provided with moving grooves, the other ends of the two handrail supports (20) are inserted into the corresponding moving grooves and are in sliding connection with the corresponding moving grooves, two sides of the front end of the seat cushion frame (17) are respectively movably connected with the two main supporting frames (6), the two sides of the rear end of the seat cushion frame (17) are respectively movably connected with the fixed support (4).

2. The remotely controllable one-key foldable and unfoldable electric wheelchair as claimed in claim 1, wherein: the top surface of each handrail support (20) is fixedly connected with a handrail (19), and the front end of one handrail support (20) is provided with an upper controller (16).

3. The remotely controllable one-key foldable and unfoldable electric wheelchair as claimed in claim 1, wherein: the top surface of the seat cushion frame (17) is fixedly connected with a seat cushion (18), a backrest (1) is arranged in the backrest support (2), and the backrest (1) is fixedly connected with the backrest support (2).

4. The remotely controllable one-key foldable and unfoldable electric wheelchair as claimed in claim 3, wherein: the backrest is characterized in that a second telescopic cylinder (22) is arranged on the rear side of the backrest (1), one end of the second telescopic cylinder (22) is movably hinged to the fixed support (4), and the other end of the second telescopic cylinder (22) is movably hinged to the backrest support (2).

5. The remotely controllable one-key foldable and unfoldable electric wheelchair as claimed in claim 1, wherein: be provided with under bracing frame (3) between the bottom of fixed bolster (4), one side both ends of under bracing frame (3) all with slide support (5) swing joint, the opposite side both ends of under bracing frame (3) respectively with two front wheel connecting blocks (13) swing joint, install lithium cell group (15), lower controller (9) between under bracing frame (3), just lower controller (9) and lithium cell group (15) electric connection.

6. The remotely controllable one-key foldable and unfoldable electric wheelchair as claimed in claim 5, wherein: the front two ends of the lower support frame (3) are fixedly provided with a pair of symmetrical mounting blocks, a pedal frame (23) is arranged between the two mounting blocks, the two top ends of the pedal frame (23) are respectively movably connected with the corresponding mounting blocks, and the pedal frame (23) is provided with a pedal plate (12).

7. The remotely controllable one-key foldable and unfoldable electric wheelchair as claimed in claim 1, wherein: two the spout has all been seted up between the trailing flank of main tributary strut (6), the both ends of slide support (5) are located two spouts and two spout sliding connection respectively, be provided with a pair of first telescoping cylinder (21) of symmetry between slide support (5) and two main tributary struts (6), every the one end of first telescoping cylinder (21) all with the main tributary strut (6) activity hinge joint that corresponds, every the other end of first telescoping cylinder (21) all with one side activity hinge joint of slide support (5).