CN218607111U - Structure of electric foldable wheelchair - Google Patents

Abstract

The utility model relates to an electronic folding wheelchair structure, which comprises a base, the chassis comprises the seatpad support body and pedal support body, the place ahead bottom at the seatpad support body is articulated at the rear of pedal support body, the rear bottom left and right sides of seatpad support body all is equipped with the back gyro wheel, the place ahead left and right sides of pedal support body all is equipped with preceding gyro wheel, the rear top of seatpad support body articulates there is the back, back and pedal support body all swing through motor drive. When needing to carry out the wheelchair folding, only need through the folding of motor control back forward towards the swing of seatpad support body top surface, pedal support body up through motor control turns folding towards the preceding swing of seatpad support body, makes the holistic vertical dimension of wheelchair diminish, easy operation is convenient, high-efficient, and through motor control folding, has labour saving and time saving's effect.

Description

Structure of electric foldable wheelchair

Technical Field

The utility model relates to an electronic folding wheelchair structure.

Background

The wheel chair is provided with wheels to help replace walking, and is an important mobile tool for home rehabilitation, turnover transportation, treatment and outing activities of wounded persons, patients and disabled persons. The wheelchair not only meets the requirements of physically disabled and mobility-handicapped people for riding instead of walk, but also is more important to facilitate the family members to move and take care of patients, so that the patients can do physical exercise and participate in social activities by means of the wheelchair. Wheelchairs generally comprise a foldable frame, left and right side plates (skirt boards), front and rear wheels, left and right knee pads, a pedal, left and right armrests, a handle brake device, a seat, a backrest and the like.

In order to store or place wheelchairs on vehicles, wheelchairs are usually designed to be collapsible structures with collapsible frames for easy storage and transportation. The foldable frame is used as a core framework of the wheelchair, and needs to involve connection combination among a plurality of connecting rods and a plurality of supports to realize folding and unfolding.

SUMMERY OF THE UTILITY MODEL

In view of the defects of the prior art, the technical problem to be solved by the present invention is to provide an electric folding wheelchair structure.

In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides an electronic folding wheelchair structure, includes the chassis, the chassis comprises seatpad support body and pedal support body, the place ahead bottom at the seatpad support body is articulated at the rear of pedal support body, the rear bottom left and right sides of seatpad support body all is equipped with the back gyro wheel, the place ahead left and right sides of pedal support body all is equipped with the front idler wheel, the rear top of seatpad support body articulates there is the back, back and pedal support body are all swung through motor drive.

Preferably, the pedal frame body is U-like in shape, two ends of an opening of the U-shaped pedal frame body are hinged to the front bottom of the seat cushion frame body, the pedal is arranged in the middle of the front of the U-shaped pedal frame body, and a hinge rotating shaft of the pedal frame body is connected with an output shaft of the motor to be controlled in a rotating mode.

Preferably, the front rollers are all omni-directional rollers.

Preferably, a seat cushion is arranged on the top surface of the seat cushion frame body.

Preferably, the bottom of the backrest is hinged with the top of the rear part of the seat cushion frame body through a hinged rotating shaft, and the hinged rotating shaft is connected with an output shaft of the motor to be controlled in rotation.

Preferably, the left side and the right side of the top of the seat cushion frame body are symmetrically provided with folding armrests, and the distance between the two folding armrests is larger than the width of the backrest.

Preferably, folding handrail all includes the mount that links firmly on the lateral part support of seatpad support body, the place ahead top of mount all articulates there is the handrail member, the handrail member all sets firmly the support frame that down extends in the rear bottom of its pin joint, all seted up location pinhole and down location pinhole on the support frame, all be provided with on the mount and be used for when the handrail expandes the spring catch that imbeds down location pinhole or handrail when folding imbeds the location pinhole.

Preferably, the fixing frame is b-shaped, the supporting frame is y-shaped, the spring pin is arranged behind the ring body of the b-shaped fixing frame, and the upper positioning pin hole and the lower positioning pin hole are arranged in front of the y-shaped supporting frame.

Preferably, the rear side part of the annular body of the b-shaped fixing frame is provided with a channel extending along the track of the annular body, and the y-shaped support frame is partially embedded into the channel when the positioning pin hole and the spring pin are inserted oppositely.

Preferably, the spring pin is a pluggable spring bolt.

Compared with the prior art, the utility model discloses following beneficial effect has: the structure of the electric folding wheelchair is simple. The folding structure who has cancelled traditional by many connecting rods, many support connnection group and become, but adopts seatpad support body and pedal support body, and the rear of pedal support body articulates the place ahead bottom at the seatpad support body, and the rear top of seatpad support body articulates there is the back, and back and pedal support body all through motor drive pendulum commentaries on classics. The rear bottom left and right sides of the seat cushion frame body all is equipped with the back gyro wheel, and the place ahead left and right sides of pedal frame body all is equipped with preceding gyro wheel.

When needs carry out the wheelchair and fold, only need through the forward folding towards seatpad support body top surface pendulum rotation of motor control back, pedal support body up folding towards the preceding pendulum rotation of seatpad support body through motor control, make the holistic vertical dimension of wheelchair diminish, easy operation is convenient, high-efficient, and through motor control folding, has labour saving and time saving's effect.

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a first schematic structural diagram of a sitting posture state according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a sitting posture state according to the embodiment of the present invention.

Fig. 3 is a schematic view of the embodiment of the present invention in a folded state.

Fig. 4 is a schematic view of a flat backrest according to an embodiment of the present invention.

Fig. 5 is a schematic view showing a configuration in which the folded handrail is unfolded.

Fig. 6 is a first configuration diagram of the folding handrail.

Fig. 7 is a second configuration diagram of the folding handrail.

Detailed Description

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

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

As shown in fig. 1 to 7, the embodiment provides an electric folding wheelchair structure, which includes a chassis, the chassis is composed of a seat cushion frame body 1 and a pedal frame body 2, the rear of the pedal frame body is hinged to the front bottom of the seat cushion frame body, rear rollers 3 are arranged on the left side and the right side of the rear bottom of the seat cushion frame body, front rollers 4 are arranged on the left side and the right side of the front of the pedal frame body, a backrest 5 is hinged to the rear top of the seat cushion frame body, and the backrest and the pedal frame body are driven by a motor to swing.

In the embodiment of the utility model, the back gyro wheel is rotatory through motor drive respectively, makes the back gyro wheel become the action wheel, and the wheelchair can realize electric drive.

The embodiment of the utility model provides an in, the shape of pedal support body is similar to the U-shaped, and the opening both ends of its U-shaped are articulated with the place ahead bottom of seatpad support body, and footboard 6 is stepped on for the foot at its place ahead middle part, the articulated pivot of pedal support body carries out rotation control with the output shaft of motor.

In the embodiment of the utility model, preceding gyro wheel is the omniwheel.

In the embodiment of the present invention, the top surface of the seat cushion frame body is provided with a seat cushion 7.

The embodiment of the utility model provides an in, the bottom of back is articulated through the rear top of articulated pivot and seatpad support body, and this articulated pivot carries out rotation control with the output shaft of motor.

In the embodiment of the utility model, the top left and right sides symmetry of seatpad support body is provided with folding handrail 8, and the interval between two folding handrails is greater than the width of back.

The embodiment of the utility model provides an in, folding handrail all is including linking firmly mount 10 on the lateral part support 9 of seatpad support body, the place ahead top of mount all articulates there is handrail member 11, handrail member all has set firmly support frame 12 down extending in the rear bottom of its pin joint, all seted up on the support frame location pinhole 13 and down location pinhole 14, all be provided with on the mount and be used for the handrail to launch under the embedding location pinhole when embedding or handrail are folding spring catch 15 of location pinhole.

The embodiment of the utility model provides an in, the shape of mount is "b" font, the shape of support frame is "y" font, the spring catch sets up at the ring body rear of the mount of "b" font, go up the locating pin hole and set up the place ahead at the support frame of "y" font with lower locating pin hole.

In the embodiment of the present invention, the rear side portion of the ring body of the "b" -shaped fixing frame is provided with a channel 16 extending along the track of the ring body, and the "y" -shaped supporting frame is partially embedded into the channel when the positioning pin hole and the spring pin are inserted.

In the embodiment of the present invention, the spring pin is a spring bolt that can be inserted and pulled out.

In the embodiment of the utility model, the working principle of the electric folding wheelchair structure is as follows:

as shown in fig. 1-2, it is a schematic structural diagram of a sitting posture state according to an embodiment of the present invention.

As shown in fig. 4, when the backrest swings backwards to the horizontal state, the lying can be realized.

As shown in figure 3, when the wheelchair is required to be folded, the backrest is controlled by the motor to swing forwards towards the top surface of the seat cushion frame body, and the pedal frame body is controlled by the motor to swing upwards towards the front surface of the seat cushion frame body, so that the whole vertical size of the wheelchair is reduced, the operation is simple, convenient and efficient, and the folding wheelchair is controlled by the motor to have the effects of time saving and labor saving.

In addition, existing wheelchair folding is limited to folding of the foldable frame. The utility model discloses a further strengthen folding effect, the top left and right sides symmetry at the cushion frame body is provided with folding handrail. When the folding handrail is unfolded, the spring pin is embedded into the lower positioning pin hole. When the folding handrail needs to be folded, the spring pin is pulled out of the lower positioning pin hole, the handrail rod piece swings downwards, and the spring pin is embedded into the upper positioning pin hole, so that the folding handrail is folded.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims (10)

1. An electronic folding wheelchair structure which characterized in that: including the chassis, the chassis comprises seatpad support body and pedal support body, the place ahead bottom at the seatpad support body is articulated at the rear of pedal support body, the rear bottom left and right sides of seatpad support body all is equipped with the back gyro wheel, the place ahead left and right sides of pedal support body all is equipped with preceding gyro wheel, the rear top of seatpad support body articulates there is the back, back and pedal support body all swing through motor drive.

2. The electrically powered folding wheelchair structure of claim 1 in which: the pedal support body is U-shaped, the two ends of the U-shaped opening are hinged to the front bottom of the seat cushion support body, the pedal is arranged in the middle of the front of the pedal support body, and the hinged rotating shaft of the pedal support body is connected with an output shaft of the motor to be controlled in a rotating mode.

3. The electrically powered folding wheelchair structure of claim 1 in which: the front rollers are all omni-directional wheels.

4. The electrically powered folding wheelchair structure of claim 1 in which: the top surface of the seat cushion frame body is provided with a seat cushion.

5. The electrically powered folding wheelchair structure of claim 1 in which: the bottom of the backrest is hinged with the top of the rear part of the seat cushion frame body through a hinged rotating shaft, and the hinged rotating shaft is connected with an output shaft of the motor to be controlled in rotation.

6. The electrically powered folding wheelchair structure of claim 1 in which: folding handrails are symmetrically arranged on the left side and the right side of the top of the seat cushion frame body, and the distance between the two folding handrails is larger than the width of the backrest.

7. The electrically powered folding wheelchair structure of claim 6 in which: folding handrail all is including linking firmly the mount on the lateral part support of seatpad support body, the place ahead top of mount all articulates there is the handrail member, the handrail member all sets firmly the support frame that down extends in the rear bottom of its pin joint, all seted up location pinhole and down location pinhole on the support frame, all be provided with on the mount and be used for when the handrail expandes the spring catch of location pinhole when embedding down location pinhole or handrail are folding.

8. The electrically powered folding wheelchair structure of claim 7 in which: the fixing frame is b-shaped, the supporting frame is y-shaped, the spring pin is arranged behind the b-shaped fixing frame, and the upper positioning pin hole and the lower positioning pin hole are arranged in front of the y-shaped supporting frame.

9. The electrically powered folding wheelchair structure of claim 8 in which: the rear side part of the ring-shaped body of the b-shaped fixing frame is provided with a channel extending along the track of the ring-shaped body, and the y-shaped supporting frame is partially embedded into the channel when the positioning pin hole and the spring pin are inserted oppositely.

10. The electrically powered folding wheelchair structure of claim 7 in which: the spring pin is a spring bolt which can be pulled out and inserted.

Images