CN219721099U

CN219721099U - Novel folding portable multifunctional wheelchair

Info

Publication number: CN219721099U
Application number: CN202320127087.3U
Authority: CN
Inventors: 张国易; 刘路洋; 尉健亚; 刘闯; 刘康; 陈光征; 荣华锐; 刘永斌; 刘方
Original assignee: Anhui University
Current assignee: Anhui University
Priority date: 2023-01-16
Filing date: 2023-01-16
Publication date: 2023-09-22
Anticipated expiration: 2033-01-16

Abstract

The utility model provides a novel folding portable multifunctional wheelchair, which relates to the technical field of wheelchairs and comprises a seat and a chair back, wherein two support frames are symmetrically arranged at the bottom of the seat, a hollowed-out hinge is arranged between the two support frames, and a connecting rod is arranged between the hollowed-out hinge and an adjacent support frame; the seat comprises seat steel plates, wherein two connecting plates are symmetrically arranged on one supporting frame and are connected with the seat steel plates through hinges.

Description

Novel folding portable multifunctional wheelchair

Technical Field

The utility model relates to the technical field of wheelchairs, in particular to a novel folding portable multifunctional wheelchair.

Background

With the increase of the number of the aged groups, the number of the aged patients is increased gradually, the total social demand of the wheelchair is increased year by year, and huge market space is brought to the wheelchair industry, so that the wheelchair industry is relatively promising, the wheelchair can improve the living conditions of the aged with inconvenient movement, effectively help to treat diseases and recover, and enable the aged to live healthily.

The existing wheelchair has the defects of single function, inflexible operation, incapability of helping the elderly with age or inconvenient legs and feet move safely and solving physiological problems, and incapability of guaranteeing household safety.

Disclosure of Invention

The utility model aims to solve the problems in the background technology, and provides a novel folding portable multifunctional wheelchair.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the novel folding portable multifunctional wheelchair comprises a seat and a chair back, wherein two supporting frames are symmetrically arranged at the bottom of the seat, a hollowed-out hinge is arranged between the two supporting frames, and a connecting rod is arranged between the hollowed-out hinge and the adjacent supporting frame;

the seat comprises seat steel plates, wherein two connecting plates are symmetrically arranged on one supporting frame and are connected with the seat steel plates in a hinge mode.

Preferably, the two support frames are provided with front legs and rear legs, a straight pull rod hinge is arranged between the rear legs and the support frames, a second electric push rod is arranged between the front legs and the rear legs, and front wheels and rear wheels for equipment movement are respectively arranged on the front legs and the rear legs.

Preferably, the seat steel plate is provided with symmetrical seat plates, and a detachable anti-slip leather pad is arranged between the two seat plates.

Preferably, the seat steel plate is provided with a seat rotating member, the seat rotating member is symmetrically provided with back steel pipes, the seat backs are arranged between the two back steel pipes, the two seat steel plates are respectively provided with a first turnover member, the first turnover member is rotationally connected with a second turnover member, the second turnover member is rotationally connected with the back steel pipes, and a first electric push rod is arranged between the seat steel plate and the first turnover member.

Preferably, two arc handles are arranged on the back steel pipes, the arc handles are U-shaped, and grips are arranged on the two back steel pipes.

Preferably, the chair back is provided with a headrest inserting rod, and the headrest inserting rod is provided with a headrest.

Preferably, the two back steel pipes are provided with handrails capable of rotating by 120 degrees.

Preferably, two front legs are provided with bendable pedals.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model provides a novel folding portable multifunctional wheelchair, which can realize left and right integrated folding, is convenient and quick to fold, can be placed into a trunk of an automobile, has good portability, and can also reduce storage occupied space.

2. The utility model provides a novel folding portable multifunctional wheelchair, which can simply realize toilet use by only operating the wheelchair to move above a closestool and withdrawing a detachable anti-slip leather pad, and the backrest of the device is easy to adjust, so that the use comfort and the practicability of the wheelchair are improved.

Drawings

Fig. 1 is a schematic perspective view of a novel foldable and portable multifunctional wheelchair according to the present utility model;

FIG. 2 is a schematic view showing a novel foldable and portable multifunctional wheelchair seat rotating member;

FIG. 3 is a schematic view showing the structure of a novel foldable and portable multifunctional wheelchair pulley mechanism;

fig. 4 is a schematic structural view of a novel foldable and portable multifunctional wheelchair supporting frame according to the present utility model;

fig. 5 is a schematic view showing a structure of a seat steel plate folded in a novel foldable and portable multifunctional wheelchair supporting frame.

Legend description: 1. a headrest; 2. a headrest insert; 3. a grip; 4. a back steel pipe; 5. an armrest; 6. a first electric push rod; 7. a straight pull rod hinge; 8. a rear wheel; 9. a rear leg; 10. a support frame; 11. a second electric push rod; 12. a front wheel; 13. a foot pedal; 14. a front leg; 15. a hollowed-out hinge; 16. an anti-slip leather pad; 17. a seat plate; 18. a first turnover member; 19. a second turnover member; 20. a chair back; 21. an arc-shaped handle; 22. a seat rotating member; 23. a seat steel plate; 24. a connecting rod; 25. and (5) connecting a plate.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

As shown in fig. 1-5, a novel folding portable multifunctional wheelchair comprises a seat and a chair back 20, wherein two support frames 10 are symmetrically arranged at the bottom of the seat, a hollowed-out hinge 15 is arranged between the two support frames 10, and a connecting rod 24 is arranged between the hollowed-out hinge 15 and the adjacent support frame 10; the seat comprises a seat steel plate 23, wherein two connecting plates 25 are symmetrically arranged on one supporting frame 10, and the two connecting plates 25 are connected with the seat steel plate 23 in a hinge manner.

The arrangement of the connecting rod 24 controls the rotation direction of the hollow hinge 15, and ensures the rotation stability. The two support frames 10 are hinged along the hollowed hinge 15, so that the two support frames 10 are close to each other, before the hinge rotation, the connecting plate 25 on the support frames 10 is hinged and ascended, and then the hinge between the connecting plate 25 and the seat steel plate 23 is rotated, so that the seat steel plate 23 is rotated by 90 degrees, namely the folding work is completed.

The two support frames 10 are respectively provided with a front leg 14 and a rear leg 9, a straight pull rod hinge 7 is arranged between the rear leg 9 and the support frames 10, a second electric push rod 11 is arranged between the front leg 14 and the rear leg 9, the front leg 14 and the rear leg 9 are respectively provided with a front wheel 12 and a rear wheel 8 for equipment movement, and the two front legs 14 are respectively provided with a bendable pedal 13.

The lifting adjustment of the pulley mechanism is that the expansion angle of the front leg 14 and the rear leg 9 is increased or reduced by starting the second electric push rod 11, so that the supporting frame 10 is adjusted to be lifted or lowered, the horizontal pull rod hinge 7 rotates along the rear leg 9 and the supporting frame 10, the horizontal pull rod hinge 7 can be lengthened and shortened, the seat plate 17 and the ground are kept in a parallel state by adjusting the distance of the horizontal pull rod hinge 7, the second electric push rod 11 is used for stepless speed regulation, the pitch of the horizontal pull rod hinge 7 is fixed, the stepless speed regulation and the stepped speed regulation are combined, and the height regulation stability is ensured.

The seat steel plate 23 is provided with symmetrical seat plates 17, and a detachable anti-slip leather pad 16 is arranged between the two seat plates 17.

The anti-slip leather pad 16 is positioned between the two legs of the user when sitting and is matched with the hip position, so that the user can conveniently use the toilet, the toilet is operated as follows, the wheelchair is moved to the toilet position, the wheelchair is only required to be operated to be moved to the upper part of the toilet, the anti-slip leather pad 16 is pulled out, and the toilet can be simply realized.

Be provided with seat rotating member 22 on the seat steel sheet 23, the symmetry is provided with back steel pipe 4 on the seat rotating member 22, the back of the chair 20 sets up between two back steel pipes 4, all be provided with first piece 18 of rolling over on two seat steel sheets 23, it is connected with the second piece 19 to roll over on the first piece 18 to roll over, and the second piece 19 of rolling over is rotated with back steel pipe 4 and is connected, be provided with first electric putter 6 between seat steel sheet 23 and the first piece 18 of rolling over, all be provided with arc handle 21 on two back steel pipes 4, arc handle 21 is the U-shaped setting, all be provided with grip 3 on two back steel pipes 4, all be provided with 120 rotatable handrail 5 on two back steel pipes 4.

The chair back 20 rotates along the seat rotating piece 22, wherein in the process of turning over the back steel pipe 4, the first electric push rod 6 is started to drive the first turning over piece 18 to rotate, so as to drive the second turning over piece 19 of linkage to rotate, namely drive the back steel pipe 4 to rotate, thereby realizing the rotation work of the back steel pipe 4 and the seat steel plate 23, and the first electric push rod 6 can ensure the self-locking property of the movement so as to meet the requirement of the push rod on-load stop positioning. The radial size is small, and the transmission efficiency is high; the tail end output adopts a trapezoidal thread mechanism, the circular motion is converted into linear motion, larger axial force and higher transmission efficiency are obtained, the self-locking property of the mechanism is ensured, and the chair back 20 is driven to move, so that the angle of the chair back 20 can be adjusted, and the conversion of the sitting posture of the old is facilitated.

Arc handles 21 are arranged on the two back steel pipes 4, the arc handles 21 are U-shaped, grips 3 are arranged on the two back steel pipes 4, the grips 3 facilitate the movement of pushing the wheelchair, and the arc handles 21 facilitate the folding of the wheelchair in a matched mode.

The handrails 5 are convenient for a user to lap, rotatable foot pedals 13 are arranged between the two front legs 14, the foot pedals 13 are convenient for the user to lap feet, and the foot pedals 13 can rotate to be convenient for folding.

The headrest insert rod 2 is arranged on the chair back 20, the headrest 1 is arranged on the headrest insert rod 2, and the height of the headrest 1 is adjusted through the headrest insert rod 2, so that comfort is provided for a user.

The operating principle, during the use, start first electric putter 6 promptly, drive first piece of turning over 18 and rotate, thereby drive the second piece of turning over 19 of interlock and rotate, drive back steel pipe 4 promptly, make back steel pipe 4 and seat steel plate 23 level, then start second electric putter 11, make preceding leg 14 and back leg 9 spread angle increase or reduce, thereby adjust seat steel plate 23 and bed surface parallel and level, the user removes to the seat steel plate 23 of parallel and level, then drive back steel pipe 4 and rotate, make the user sit upright, and it adjusts to the comfortable angle of user's back, expand running-board 13, rotate handrail 5, the convenient user's foot and hand place, when going to the lavatory work, the wheelchair removes to the closestool top, pull out anti-skidding leather pad 16, can simple realization like the lavatory.

When folding, the armrest 5 and the pedal 13 are folded, the chair back 20 rotates along the seat rotating piece 22, the chair back 20 is attached to the seat board 17, the two support frames 10 rotate along the hollowed hinge 15, so that the two support frames 10 are close to each other, before the hinge rotation, the hinge of the connecting plate 25 on the support frame 10 rotates and rises, and then the hinge between the connecting plate 25 and the seat steel plate 23 rotates, so that the seat steel plate 23 realizes 90-degree rotation, namely the folding work is completed, the occupied space of the wheelchair is reduced, and the wheelchair is convenient to carry.

The wiring diagrams of the second electric putter 11 and the first electric putter 6 in the present utility model are common knowledge in the art, and the working principle thereof is a known technology, and the model thereof is selected to be an appropriate model according to actual use, so that the control manner and wiring arrangement will not be explained in detail for the second electric putter 11 and the first electric putter 6.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. Novel folding portable multifunctional wheelchair, including seat and back of chair (20), its characterized in that: the seat bottom is symmetrically provided with two supporting frames (10), a hollowed-out hinge (15) is arranged between the two supporting frames (10), and a connecting rod (24) is arranged between the hollowed-out hinge (15) and the adjacent supporting frame (10);

the seat comprises seat steel plates (23), wherein two connecting plates (25) are symmetrically arranged on one supporting frame (10), and the two connecting plates (25) are connected with the seat steel plates (23) in a hinge mode.

2. The novel folding portable multifunctional wheelchair according to claim 1, wherein: the two support frames (10) are respectively provided with a front leg (14) and a rear leg (9), a straight pull rod hinge (7) is arranged between the rear leg (9) and the support frames (10), a second electric push rod (11) is arranged between the front leg (14) and the rear leg (9), and front wheels (12) and rear wheels (8) for equipment movement are respectively arranged on the front leg (14) and the rear leg (9).

3. The novel folding portable multifunctional wheelchair according to claim 1, wherein: the chair seat steel plate (23) is provided with symmetrical seat plates (17), and a detachable anti-slip leather pad (16) is arranged between the two seat plates (17).

4. The novel folding portable multifunctional wheelchair according to claim 1, wherein: be provided with seat support rotating member (22) on seat support steel sheet (23), the symmetry is provided with back steel pipe (4) on seat support rotating member (22), back of the chair (20) set up between two back steel pipes (4), two all be provided with first piece (18) of turning over on seat support steel sheet (23), first turning over and being connected with second piece (19) on turning over, and second turning over and turning over piece (19) and back steel pipe (4) rotate and be connected, be provided with first electric putter (6) between seat support steel sheet (23) and first turning over and turning over piece (18).

5. The novel folding portable multifunctional wheelchair according to claim 4, wherein: arc handles (21) are arranged on the two back steel pipes (4), the arc handles (21) are U-shaped, and grips (3) are arranged on the two back steel pipes (4).

6. The novel folding portable multifunctional wheelchair according to claim 1, wherein: the headrest is characterized in that a headrest inserting rod (2) is arranged on the chair back (20), and a headrest (1) is arranged on the headrest inserting rod (2).

7. The novel folding portable multifunctional wheelchair according to claim 4, wherein: armrests (5) capable of rotating by 120 degrees are arranged on the two back steel pipes (4).

8. The novel folding portable multifunctional wheelchair according to claim 2, wherein: and the two front legs (14) are provided with bendable foot pedals (13).