CN218356591U

CN218356591U - Multifunctional electric wheelchair

Info

Publication number: CN218356591U
Application number: CN202221867272.8U
Authority: CN
Inventors: 王尔琪
Original assignee: Changzhou Zhongjin Medical Devices Co ltd
Current assignee: Changzhou Zhongjin Medical Devices Co ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2023-01-24
Anticipated expiration: 2032-07-19

Abstract

The utility model provides a multi-functional electronic wheelchair, including the back support, the bedplate support, runner support and drive arrangement, the back support articulates to the bedplate support on, install the connecting rod on the back support, the runner support includes front wheel support and rear wheel support, front wheel support and rear wheel support are articulated with cross's structure, front wheel support and bedplate support all articulate to the connecting rod on, drive arrangement is including articulated seat, coupling assembling and electric putter, coupling assembling includes the connecting seat, rotate seat and check lock lever, it all rotationally overlaps to establish to the check lock lever with the connecting seat to rotate seat and connecting seat, electric putter, the check lock lever, the bedplate support, articulated seat, connecting rod and articulated base constitute closed-loop quadrilateral structure, when the length of electric putter begins to change, the structure changes, the wheelchair support of both sides begins to rotate and laminate to the bedplate support about the bedplate support and the rear wheel support, under electric putter's drive, can portably safe accomodating.

Description

Multifunctional electric wheelchair

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to multi-functional electronic wheelchair.

Background

In the medical care field, the wheelchair is often deposited around patient as the utensil that moves patient, and the wheelchair is too big because the space that occupies, needs folding shrink before depositing, and because wheelchair self is bulky, and the structure is complicated, and medical personnel are many inconvenient at folding shrink wheelchair's in-process, often can collide with and be injured at folding shrink wheelchair's in-process, consequently, how simple and convenient safe folding accomodate the wheelchair and become the technical problem that needs to solve urgently in this technical field.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the existing wheelchair can not be stored simply and safely.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a multi-functional electronic wheelchair, includes back support, bedplate support, runner support and drive arrangement, the back support hinge extremely on the bedplate support, install articulated base on the back support, the bedplate support hinge extremely on the articulated base, the connecting rod is installed to the interlude on the articulated base, the runner support includes front wheel support and rear wheel support, the front wheel support with the rear wheel support is articulated with cross structure, the front wheel support and the bedplate support all articulates extremely on the connecting rod, drive arrangement is including installing articulated seat on the connecting rod, install the bedplate support with coupling assembling between the rear wheel support and articulate the articulated seat with coupling assembling's support's electric putter, coupling assembling includes movable mounting and is in bedplate support below the connecting seat, install rotation seat and interlude on the rear wheel support are in the connecting seat with rotate the locking lever on the seat, rotate the seat with the connecting seat all rotationally overlap and establish to on the locking lever, electric putter the locking lever the bedplate support the articulated seat the connecting rod and the closed loop structure that the articulated base constitutes.

Furthermore, the rotating seat and the connecting seat are both provided with rotating holes, and the locking rod is rotatably inserted into the rotating holes.

Furthermore, articulated seat includes fixed mounting two articulated classes and fixed mounting on the connecting rod are two articulated the articulated rod between the otic placode, electric putter's tip rotationally the cover establish to on the articulated rod.

Furthermore, the locking rod is a screw rod, and a screw cap is sleeved on the end part of the locking rod.

Furthermore, a rotating connecting rod is installed on the front wheel support, a rotating pin is installed on the rotating connecting rod, and the rear wheel support is hinged to the rotating pin.

Furthermore, a push rod is installed at the end part, far away from the hinged base, of the backrest support, and the push rod is parallel to the arrangement of the backrest support.

Furthermore, the backrest support is rotatably provided with control armrests, and the control armrests are respectively arranged on two sides of the backrest support.

Furthermore, a pedal is movably mounted on the front wheel support, the pedal is rotatably mounted on the front wheel support, and the pedal can be stored below the seat plate support after being overturned relative to the front wheel support.

The beneficial effects of the utility model are that, when needing to accomodate the wheelchair, the length of extension electric putter, under electric putter's promotion, interval extension between front wheel support and the rear wheel support tip, fold the coincidence gradually between front wheel support and the rear wheel support, the relative bedplate support of back support rotates simultaneously, the back support leans on to the bedplate support under the promotion of connecting rod, promptly after electric putter starts, the part of both sides begins synchronous shrink about the bedplate support, reduce to the degree that can supply to accomodate until the wheelchair volume, and accomodate the wheelchair and can guarantee to accomodate the safe simple and convenient going on of process with the help of electric putter.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a perspective view of the electric wheelchair of the present invention;

FIG. 2 is another perspective view of the powered wheelchair of FIG. 1;

FIG. 3 is a further perspective view of the powered wheelchair of FIG. 1;

FIG. 4 is a side elevational view of the powered wheelchair of FIG. 1;

FIG. 5 is a side elevational view of the powered wheelchair of FIG. 4 during a folding process;

in the figure: the multifunctional electric wheelchair 100, the backrest support 10, the seat plate support 20, the wheel support 30, the driving device 40, the hinged base 120, the connecting rod 121, the hinged support rod 210, the control armrest 110, the push rod 130, the front wheel support 310, the rear wheel support 320, the rotating connecting rod 311, the rotating pin 312, the pedal 313, the front wheel 314, the rear wheel 321, the battery support frame 322, the motor assembly 330, the driving motor 331, the battery 332, the anti-roll frame 323, the anti-roll wheel 324, the hinged base 410, the connecting assembly 420, the electric push rod 430, the connecting base 421, the rotating base 422, the locking rod 423, the hinged ear plate 411, the hinged rod 412 and the screw cover 424.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.

As shown in fig. 1 to 5, the present invention provides a multifunctional electric wheelchair 100, which includes a backrest support 10, a seat plate support 20, a wheel support 30, and a driving device 40.

The bottom end of the backrest support 10 is hinged on the seat plate support 20, the hinged base 120 is fixedly installed on the backrest support 10, the connecting rod 121 is rotatably inserted in the hinged base 120, the hinged support rod 210 extends out of the seat plate support 20, at least two hinged support rods 210 are arranged, and the hinged support rod 210 is hinged on the hinged base 120.

Preferably, the control arm rests 110 are rotatably mounted on the backrest support 10, the control arm rests 110 are respectively disposed at both sides of the backrest support 10, the rotation angle of the control arm rests 110 is preferably 266 °, and the control arm rests 110 are fixed on the backrest support 10 after being rotated to the extreme position. Preferably, a push rod 130 is fixedly installed on the end of the backrest support 10 far away from the hinge base 120, and the push rod 130 is arranged parallel to the backrest support 10, and the push rod 130 can push the electric wheelchair 100 to move.

The wheel carriage 30 includes a front wheel carriage 310 and a rear wheel carriage 320. The end parts of the front wheel bracket 310 and the rear wheel bracket 320 are arranged below the seat plate bracket 20, the end part of the front wheel bracket 310 is hinged to the connecting rod 121, the rear wheel bracket 320 is rotatably arranged on the front wheel bracket 310, a cross structure is formed between the rear wheel bracket 320 and the front wheel bracket 310, the front wheel bracket 310 is provided with a rotary connecting rod 311, the end part of the rotary connecting rod 311 far away from the connecting rod 121 is provided with a rotating pin 312, and the rear wheel bracket 320 is hinged to the rotating pin 312.

Preferably, a pedal 313 is movably mounted on the front wheel bracket 310, the pedal 313 is rotatably mounted on the front wheel bracket 310, and the pedal 313 can be accommodated below the seat plate bracket 20 after being turned over relative to the front wheel bracket 310. The front wheel 314 is mounted on the end of the front wheel bracket 310 far from the rotation connecting rod 311, and the front wheel 314 is arranged on both sides of the pedal 313.

Preferably, the rear wheel bracket 320 is fixedly provided with a rear wheel 321 at an end portion thereof away from the seat plate bracket 20, the rear wheel bracket 320 is further provided with a battery support bracket 322 at an end portion thereof corresponding to the rear wheel 321, the battery support bracket 322 is fixedly provided with a motor assembly 330, the motor assembly 330 includes a driving motor 331 fixed on the battery support bracket 322 and a battery 332, the battery 332 is electrically connected to the driving motor 331, a rotating shaft of the driving motor 331 is connected to one of the rear wheels 321, the battery 332 is preferably a storage battery, the battery 332 provides an electric support for the driving motor 331, the driving motor 331 can drive the rear wheel 321 to rotate after being started, and when the rear wheel 321 rotates, the wheelchair 100 can be driven to move. The driving motor 331 is also electrically connected to the control arm 110, and the user can control the start and stop of the driving motor 331 through the control arm 110, thereby controlling the moving stroke of the wheelchair 100.

Preferably, as shown in fig. 3, an anti-tipping wheel frame 323 is further fixedly mounted on the rear wheel support 320, an anti-tipping wheel 324 is fixedly mounted on the anti-tipping wheel frame 323, the anti-tipping wheel frame 323 is disposed on the battery support frame 322, the anti-tipping wheel 324 is disposed parallel to the rear wheel 321, and the anti-tipping wheel 324 pushes against the anti-tipping wheel to prevent the wheelchair 100 from tipping over during traveling.

The driving means 40 includes a hinge seat 410 mounted on the link 121, a coupling assembly 420 mounted between the seat plate bracket 20 and the rear wheel bracket 320, and a power push rod 430 hinged between the hinge seat 410 and the coupling assembly 420.

The hinge base 410 is rotatably sleeved at the middle part of the connecting rod 121, the hinge base 410 is arranged parallel to the connecting rod 121, and the end part of the electric push rod 430 is hinged to the hinge base 410. Connecting assembly 420 is including installing connecting seat 421 in bedplate support 20 below, install rotation seat 422 on rear wheel support 320 and alternate in connecting seat 421 and the locking lever 423 who rotates on seat 422, connecting seat 421 sets up the tip of keeping away from articulated branch 210 on bedplate support 20, it fixes on rear wheel support 320 to rotate seat 422, and rotate seat 422 and set up between connecting seat 421 relatively rotatably, it has all opened the commentaries on classics hole to rotate on seat 422 and the connecting seat 421, locking lever 423 rotationally alternates to changeing in the hole, can guarantee through locking lever 423 that rotation seat 422 and connecting seat 421 can be pivoted interconnect relatively, the end that keeps away from articulated seat 410 on electric putter 430 articulates on locking lever 423. The electric push rod 430, the locking lever 423, the seat plate bracket 20, the hinge base 410, the link rod 121, and the hinge base 120 constitute a closed-loop quadrangular structure, and the distance between the ends of the front wheel bracket 310 and the rear wheel bracket 320 is changed by the deformation of the quadrangular structure, thereby changing the shape of the cross between the front wheel bracket 310 and the rear wheel bracket 320.

Preferably, the hinge base 410 includes two hinge lugs 411 fixedly mounted on the connecting rod 131 and a hinge rod 412 fixedly mounted between the two hinge lugs 411, and an end of the electric push rod 430 is rotatably sleeved on the hinge rod 412.

Preferably, the locking rod 423 is a screw, the end of the locking rod 423 is sleeved with the screw cap 424 through the end of the connecting seat 421, and when the screw cap 424 is screwed on the locking rod 423, the gap between the connecting seat 421 and the hinge seat 410 can be reduced, so as to prevent the connecting seat 421 from sliding relative to the hinge seat 410.

When the multifunctional electric wheelchair 100 is stored, the control armrest 110 is firstly rotated and turned over until the control armrest 110 is stored on the side surface of the backrest support 10, then the electric push rod 430 is started, the total length of the electric push rod 430 begins to extend, under the pushing of the electric push rod 430, the distance between the end parts of the front wheel support 310 and the rear wheel support 320 is extended, the electric push rod 430, the locking rod 423, the seat plate support 20, the hinge seat 410, the connecting rod 121 and the hinge base 120 form a closed-loop quadrilateral structure and deform, the backrest support 10 is driven to rotate towards the seat plate support 20 until the backrest support 10 and the seat plate support 20 are attached, the front wheel support 310 and the rear wheel support 320 rotate around the rotating pin 312 until the front wheel support 310 and the rear wheel support 320 are mutually embedded, and the storage of the wheelchair 100 is completed.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the description, and must be determined according to the scope of the claims.

Claims

1. A multifunctional electric wheelchair is characterized in that: including back support, bedplate support, runner support and drive arrangement, the back support hinge extremely on the bedplate support, install articulated base on the back support, the bedplate support hinge extremely on the articulated base, the connecting rod is installed to the interlude on the articulated base, the runner support includes front wheel support and rear wheel support, the front wheel support with the rear wheel support is articulated with crisscross structure, the front wheel support with the bedplate support all articulates extremely on the connecting rod, drive arrangement is including installing articulated seat on the connecting rod, installing the bedplate support with coupling assembling between the rear wheel support and articulate the articulated seat with coupling assembling's electric putter, coupling assembling includes movable mounting and is in connecting seat below the bedplate support, install rotation seat and the interlude on the rear wheel support are in the connecting seat with rotate the locking lever on the seat, rotate the seat with the connecting seat all rotationally overlap and establish to on the locking lever, electric putter the locking lever the bedplate support articulated seat the connecting rod and the closed loop quadrilateral structure that articulated base constitutes.

2. The multi-functional electric wheelchair as claimed in claim 1, wherein: the rotating seat and the connecting seat are both provided with rotating holes, and the locking rod can be inserted into the rotating holes in a rotating mode.

3. The multi-functional electric wheelchair as claimed in claim 1, wherein: articulated seat includes fixed mounting and is in hinge otic placode and fixed mounting on the connecting rod are two hinge rod between the hinge otic placode, electric putter's tip rotationally the cover is established extremely on the hinge rod.

4. The multifunctional electric wheelchair of claim 1, wherein: the locking rod is a screw rod, and a screw cap is sleeved on the end part of the locking rod.

5. The multi-functional electric wheelchair as claimed in claim 1, wherein: the front wheel support is provided with a rotary connecting rod, the rotary connecting rod is provided with a rotating pin, and the rear wheel support is hinged to the rotating pin.

6. The multi-functional electric wheelchair as claimed in claim 1, wherein: the end part of the backrest support far away from the hinged base is provided with a push rod, and the push rod is parallel to the arrangement of the backrest support.

7. The multi-functional electric wheelchair as claimed in claim 1, wherein: the backrest support is rotatably provided with control armrests which are respectively arranged on two sides of the backrest support.

8. The multifunctional electric wheelchair of claim 1, wherein: the pedal is movably mounted on the front wheel support, the pedal is rotatably mounted on the front wheel support, and the pedal can be accommodated below the seat board support after being turned relative to the front wheel support.