CN211382257U

CN211382257U - Electric wheelchair

Info

Publication number: CN211382257U
Application number: CN201921679389.1U
Authority: CN
Inventors: 溥江; 张秀华
Original assignee: Guizhou Minzu University
Current assignee: Guizhou Minzu University
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-09-01
Anticipated expiration: 2029-10-09

Abstract

The utility model discloses an electric wheelchair, which comprises a wheelchair main body, wherein the wheelchair main body comprises a body main frame, a seat, a chair back and leg rests. The leg rest is provided with a shank backup plate and a foot supporting plate, wherein a telescopic rod is arranged between the shank backup plate and the foot supporting plate and is connected with the shank backup plate through a foot supporting rod, and a self-locking air spring is arranged between the shank backup plate and the main body frame of the vehicle body and is connected with the main body frame of the vehicle body through an air spring joint; the two sides of the back of the main frame of the vehicle body are both provided with driving wheels, wherein the driving wheels adopt hub motors integrated with the motors, and the two sides of the front of the main frame of the vehicle body are provided with driven wheels which are connected with the main frame of the vehicle body through small wheel brackets; a cushion is placed on the chair seat, wind shields with a certain height are arranged on two sides of the chair seat, an armrest frame is arranged above the wind shields, a hand cushion is placed on the armrest frame, and a direction and speed change operating rod is arranged on the right side of the armrest frame; the chair back is connected with the main frame of the vehicle body through a hand push rod, and the tail end of the hand push rod is provided with a hand push handle.

Description

Electric wheelchair

Technical Field

The utility model relates to a wheelchair, in particular to an electric wheelchair.

Background

With the accelerating aging process of the population in China and the increasing of disabled people caused by disasters and diseases, how to enable the old people and the disabled people to regain the capability of independent activities is a scientific and technical problem which needs to be solved urgently at present. Wheelchairs, which are one of the main transportation means for the elderly and the disabled, are gradually paid attention to by researchers in various countries, and at present, manual wheelchairs and electric wheelchairs are common. Compared with a manual wheelchair, the electric wheelchair greatly improves the independent activity capability and range of the old and the disabled, but most of the electric wheelchairs in the current market are expensive and complex to operate. The utility model relates to a light, stable, easy operation, sit comfortable electronic wheelchair of feeling, consider ordinary family's bearing capacity simultaneously to this promotes their quality of life and happiness index.

In the prior art, an electric wheelchair (with publication number CN105030441A) applied by changzhou kui new medical equipment limited company discloses an electric wheelchair, which comprises a front frame assembly, a rear frame assembly, a front wheel support arm assembly, a left front fork welding assembly, a right front fork welding assembly and a pedal plate welding assembly, wherein the front frame assembly is detachably connected with the rear frame assembly, the rear frame portion comprises a rear frame, a terminal connecting seat is arranged on the rear frame, a rear round pipe is arranged on the rear frame, the front frame portion comprises a front frame, a terminal connector is arranged on the front frame, the terminal connector is detachably connected with the terminal connecting seat in a clamping manner, a plurality of lap hooks are arranged on the front frame, the lap hooks are matched, lapped and locked on the rear round pipe, the pedal plate is movably connected on the front frame, and a front wheel support arm is also movably connected on the front frame, the front wheel supporting arm moves in a vertically swinging manner under the action of external force. Through the mode, the electric wheelchair can improve the load carrying capacity, prevent the wheelchair from inclining and reduce the overall shaking of the wheelchair during riding under the condition of uneven road surface. The new generation intelligent wheelchair can drive the wheelchair to complete various functions of advancing, retreating, steering, lying, turning at 360 degrees in situ, and the like.

An electric wheelchair (publication number CN107714324A) applied by Henan Hedyson medical equipment Limited discloses an electric wheelchair, which comprises a wheelchair bracket and a backrest frame, wherein the backrest frame comprises a connecting part and a supporting part, and the folding electric wheelchair further comprises a seat frame, a front wheel frame and a lower connecting rod; the support part, the seat frame, the front wheel frame and the lower connecting rod are sequentially connected end to form parallelogram rod groups on two sides of the wheelchair, a middle supporting rod is transversely installed at each node of the parallelogram rod groups on the two sides, a telescopic inclined rod for maintaining the stable quadrilateral structure is further installed at the position of a diagonal line of the parallelogram, and two ends of the telescopic inclined rod are installed on the corresponding middle supporting rods. The electric wheelchair can realize the wheelchair with relatively independent functions and convenient folding, a series of mechanisms convenient for integral adjustment and self-locking are arranged on the wheelchair, and the integral quality of the product is improved while the stability of the whole wheelchair is not influenced.

The technical scheme has certain inspiration on the design of the electric wheelchair, but the electric wheelchair has a complex structure and higher cost due to the adoption of the traditional design method, and the requirements of people are difficult to meet. Therefore, the utility model adopts the hub motor to greatly simplify the structure and reduce the overall cost of the wheelchair.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric wheelchair to solve the problem that current electric wheelchair structure is complicated, the use is inconvenient and with high costs.

In order to solve the above technical problem, the utility model provides an electric wheelchair, electric wheelchair includes: the main vehicle body frame is an integral supporting structure; the chair seat has the same width with the main frame of the vehicle body; the chair back is connected with the main frame of the vehicle body; the leg rest comprises a foot supporting plate and a shank rest plate, and the shank rest plate and the main frame of the vehicle body are provided with air springs; the battery box is positioned between the main frame of the vehicle body and the seat; and the moving wheels are positioned on the front side and the rear side of the main frame of the vehicle body.

Optionally, according to the utility model discloses an among the electronic wheelchair, the automobile body frame is whole bearing structure, and the automobile body frame top is connected with the seat support through the screw, places the group battery between automobile body frame and the seat support, connects through the battery box.

Optionally, in the electric wheelchair according to the present invention, the seat and the main frame of the body have the same width, the two sides of the seat are provided with the armrest frames with a certain height, and a wind screen is arranged between the armrest frames and the seat and connected by bolts; hand pads are placed on the armrest frame, a brake handle is arranged on the left side of the armrest frame, and a Hall remote lever device and a controller are arranged on the right side of the armrest frame and are connected with the armrest frame through a controller guide rail.

Optionally, in the electric wheelchair according to the utility model discloses an in, the back of the chair passes through the handspike with the automobile body frame and is connected, and becomes 8 inclination with automobile body frame normal direction, sets up the back pad between the handspike, and the handspike end sets up the hand push handle.

Optionally, in the electric wheelchair according to the present invention, the leg rest includes a foot rest plate, a foot rest rod, a shank rest plate and a leg rest bracket, the foot rest plate is connected with the foot rest rod through a bolt, the foot rest bracket and the leg rest bracket are combined through a screw nut transmission mechanism, and the foot rest bracket can be extended and retracted up and down through a foot rest adjusting bolt; the shank backup plate is connected with the shank support bracket through a screw, the upper end of the shank support bracket is connected with the main body frame through a hinge, and meanwhile, an air spring is arranged between the shank support bracket and the main body frame and is connected through an air spring joint, so that the shank support bracket can rotate at a certain angle.

Optionally, in the electric wheelchair according to the present invention, the movable wheel includes a universal wheel, a hub motor and an anti-rolling wheel, wherein the universal wheel is connected to the body frame through a bearing sleeve and a small wheel bracket, the hub motor is fixed to the body frame, and the hub motor is provided with a disc brake; the anti-overturning wheel is connected to the tail part of the main frame of the vehicle body through the anti-overturning bracket.

The utility model has the advantages that: the telescopic rod between the shank backup plate and the foot supporting plate and the self-locking air spring between the shank backup plate and the main frame of the vehicle body realize the telescopic and rotary adjustment of the legs of the user to reach the most comfortable position; and meanwhile, the hub motor is adopted for driving, so that the structure is simplified, and the cost is reduced.

Drawings

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

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

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic structural view of the present invention;

FIG. 4 is a schematic structural view of the present invention;

fig. 5 is a schematic structural diagram of the present invention.

In the figure, a main frame-1 of a car body, a seat-2, a back-3, a leg rest-4, a battery box-5, a moving wheel-6, a seat cushion-201, a wind shield-202, a brake handle-203, a hand cushion-204, a handrail frame 205, a controller 206, a Hall telebar-207, a hand push rod-301, a back cushion-302, a hand push handle-303, a foot supporting plate-401, a foot supporting rod-402, a shank backup plate-403, a foot supporting bracket-404, a leg supporting bracket-405, a gas spring joint-406, a gas spring-407, a foot supporting adjusting bolt-408, a battery pack-501, a universal wheel-601, a hub motor-602, an anti-overturning wheel-603, a brake disc-604, an anti-overturning wheel 605, an anti-overturning bracket-606, a foot supporting bracket-606, a

Detailed Description

The electric wheelchair according to the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention. In addition, the structures shown in the drawings are often one-half of the actual structures. In particular, the drawings may have different emphasis points and may sometimes be scaled differently.

In the embodiment, the electric wheelchair adjusts the optimal position for placing the user's legs through the leg rest 4 structure, which comprises a foot supporting plate 401, a foot supporting rod 402, a lower leg rest 403, a foot supporting bracket 404, a leg supporting bracket 405, a gas spring joint 406, a gas spring 407 and a foot supporting adjusting bolt 408. Foot layer board 401 and foot hold in the palm with the screw connection between the pole 402, the foot holds in the palm support 404 and holds in the palm through screw nut drive mechanism built-up connection between the support 405 with the leg, can hold in the palm adjusting bolt 408 through adjusting the foot and realize that the foot holds in the palm about support 404 flexible, shank backup plate 403 passes through bolted connection at leg support 405, leg support 405 upper end and automobile body frame 1 pass through hinged joint simultaneously, leg holds in the palm and sets up air spring 407 between support 405 lower extreme and the automobile body frame 1, connect through air spring joint 406, can realize that the leg holds in the palm the rotation of the certain angle of support 405, thereby reach the best comfortable position.

The electric wheelchair controls the speed change, the steering and the braking of the electric wheelchair through the moving wheel 6 and equipment arranged on the seat 2, and the structure of the electric wheelchair comprises a universal wheel 601, a small wheel bracket 602, a hub motor 603, a disc brake sheet, an anti-overturning wheel 605, an anti-overturning bracket, a Hall remote lever 207, a controller 206 and a brake handle 203. The universal wheel 601 is connected with the main vehicle body frame 1 through a bearing sleeve and a small wheel support 602, the hub motor 603 is fixed on the main vehicle body frame 1, the hub motor 603 is provided with a disc brake sheet 604, and the anti-overturning wheel 605 is connected to the tail part of the main vehicle body frame 1 through an anti-overturning support 606. The user controls the steering of in-wheel motor 603 through operating hall remote lever ware 207, through the button above the panel of controller 206, can realize the change of the switch of electronic wheelchair and electronic wheelchair speed, and speed is provided with two kinds of gears of smooth highway section and uphill road section, plays important effect at uphill road section rollover protection wheel 605, and wherein the control scheme of electronic wheelchair all alternates in hollow automobile body frame 1.

The upper end of the chair back 3 of the electric wheelchair is provided with a hand push handle 303, so that an attendant can conveniently push the hand, and in addition, the chair back 302 is connected with the normal direction of the main frame 1 of the wheelchair body at an inclination angle of 8 degrees, so that the comfort of the user is improved.

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.

In the description of the present specification, the terms "connected", "fixed", and the like are to be construed broadly unless otherwise explicitly specified or limited. Furthermore, the terms "upper", "lower", "inner", "outer", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or unit referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Claims

1. An electrically powered wheelchair, comprising:

the main vehicle body frame is of an integral supporting structure;

the seat is as wide as the main frame of the vehicle body;

the chair back is connected with the main frame of the vehicle body;

the leg rest comprises a foot supporting plate and a shank backing plate, and an air spring is arranged between the shank backing plate and the main frame of the vehicle body;

the battery box is positioned between the main frame of the vehicle body and the seat;

the movable wheels are positioned on the front side and the rear side of the main frame of the vehicle body.

2. The electrically propelled wheelchair as claimed in claim 1, wherein the body frame is connected to the seat by screws, and the battery pack is disposed between the body frame and the seat and connected by a battery box.

3. The electric wheelchair as claimed in claim 1, wherein the seat is provided with armrest frames at both sides thereof with a certain height, and wind shields are provided between the armrest frames and the seat and connected by bolts; hand pads are placed on the armrest frame, a brake handle is arranged on the left side of the armrest frame, and a Hall remote lever device and a controller are arranged on the right side of the armrest frame and are connected with the armrest frame through a controller guide rail.

4. The electric wheelchair as claimed in claim 1, wherein the backrest is connected to the main frame via two hand-push rods, and forms an inclination angle of 8 ° with the normal direction of the main frame, a backrest pad is provided between the two hand-push rods, and a hand-push handle is provided at the end of each hand-push rod.

5. The electric wheelchair as claimed in claim 1, wherein the leg rest comprises a foot rest plate, a foot rest rod, a shank rest plate, a foot rest bracket and a leg rest bracket, the foot rest plate is connected with the foot rest rod through a bolt, the foot rest bracket and the leg rest bracket are combined through a screw nut transmission mechanism, and the foot rest bracket can be vertically stretched through a foot rest adjusting bolt; the leg backup plate is connected with the leg support bracket through screws, the upper end of the leg support bracket is connected with the main body frame through a hinge, and meanwhile, an air spring is arranged between the leg support bracket and the main body frame and is connected through an air spring connector, so that the leg support bracket can rotate at a certain angle.

6. The electrically propelled wheelchair as claimed in claim 1, wherein the moving wheels comprise universal wheels, hub motors and anti-tip wheels, wherein the universal wheels are connected to the body frame through bearing sleeves and small wheel brackets; the hub motor is fixed on the main frame of the vehicle body and is provided with a disc brake sheet; the anti-overturning wheel is connected to the tail part of the main frame of the vehicle body through the anti-overturning bracket.