CN215535762U

CN215535762U - Climbing wheelchair

Info

Publication number: CN215535762U
Application number: CN202121990983.XU
Authority: CN
Inventors: 刘旭义
Original assignee: Liu Xuyi
Current assignee: Liu Xuyi
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-01-18
Anticipated expiration: 2031-08-23

Abstract

The utility model relates to the technical field of wheelchairs, and provides a climbing wheelchair, which comprises a traveling device, a seat assembly hinged on the traveling device and a first telescopic member used for driving the seat assembly to rotate on the traveling device, wherein the seat assembly comprises a seat plate hinged on the traveling device, a leg support rotatably arranged on one side of the seat plate and a backrest rotatably arranged on the other side of the seat plate, the two first telescopic members are respectively hinged on two sides of a hinged point of the seat plate and the traveling device, the fixed end of the second telescopic member is hinged on one side of the seat plate, the telescopic end is hinged on the leg support, the fixed end of the third telescopic member is hinged on the other side of the seat plate, and the telescopic end is hinged on the backrest.

Description

Climbing wheelchair

Technical Field

The utility model relates to the technical field of wheelchairs, in particular to a climbing wheelchair.

Background

The wheelchair is a chair provided with wheels and capable of helping to replace walking, is divided into electric and manual folding wheelchairs, is an important moving tool for home rehabilitation, turnover transportation, diagnosis and outgoing activities of wounded persons, patients and disabled persons, not only meets the requirements of physical disabilities and mobility-handicapped persons for riding instead of walking, but also is more important to facilitate the family members to move and care for the patients, so that the patients can do physical exercises and participate in social activities by means of the wheelchair. At present, many buildings do not have elevators and partial places and do not have wheelchair channels, wounded go on a journey very difficultly alone, and the current climbing wheelchair can adapt to these circumstances basically, but the regulation that wheelchair seat angle can not be fine in climbing generally can only adjust certain angle, the various circumstances of adaptation that can not be fine, wounded experience feel not very good, need oneself go to adapt to certain angle and just can climb smoothly in climbing.

SUMMERY OF THE UTILITY MODEL

The utility model provides a climbing wheelchair, which solves the problem that the climbing wheelchair in the related art cannot adjust the angle at will.

The technical scheme of the utility model is as follows:

the utility model provides a climbing wheelchair, includes running gear, articulates seat subassembly on the running gear and is used for the drive the seat subassembly is in first extensible member of last pivoted of running gear, the seat subassembly is including articulating bedplate on the running gear, rotation setting are in the leg of bedplate one side holds in the palm and rotates the setting and be in the back of bedplate opposite side, first extensible member has two, articulates respectively the bedplate with running gear pin joint both sides, still includes

A fixed end of the second telescopic piece is hinged on one side of the seat board, a telescopic end is hinged on the leg support,

and the fixed end of the third telescopic piece is hinged to the other side of the seat plate, and the telescopic end of the third telescopic piece is hinged to the backrest.

As a further technical scheme, the running gear comprises

A frame, one first telescopic element and the seat plate are hinged on the frame,

the rotating frame is rotatably arranged on the rack, and the other first telescopic piece is hinged to the rotating frame.

As a further technical scheme, the gravity center of the seat plate is close to one side of the frame.

As a further technical scheme, the running gear further comprises

A driving shaft rotatably provided on the frame,

a driving part arranged on the frame and used for driving the driving shaft to rotate,

a plurality of driven shafts which are respectively and rotatably arranged on the rack and the rotating frame, are symmetrically distributed on two sides of the rack and the rotating frame, the driving shaft drives the driven shafts to rotate through a crawler belt,

and the walking wheels are respectively arranged on the driving shaft and the driven shaft.

As a further technical scheme, the running gear further comprises

And the sliding bearing seats are provided with a plurality of sliding bearing seats which are respectively arranged on the rack and the rotating frame, and the driven shaft is rotatably arranged on the sliding bearing seats and slides along the walking direction along with the sliding bearing seats.

As a further technical scheme, the seat board is provided with an accommodating cavity which is used for accommodating articles.

The working principle and the beneficial effects of the utility model are as follows:

the wheelchair is an important moving tool for home rehabilitation, turnover transportation, treatment and outgoing activities of wounded persons, patients and disabled persons, and at present, partial places and buildings do not have special channels, so that great inconvenience is brought to wheelchair users.

The angle of the wheelchair is adjusted through the telescopic pieces, the seat assembly is hinged with the walking device, the two telescopic pieces are arranged at the two ends of the hinged point, the angle of the seat assembly is adjusted through the two telescopic pieces, the telescopic pieces are further hinged on the leg support and the backrest of the seat assembly to adjust the angles of the backrest and the leg support, and a user can adjust the angle of the wheelchair according to the needs.

In particular to a seat component hinged on a walking device, the seat component comprises a base, leg supports and a backrest, the leg supports and the backrest are respectively and rotatably arranged at two sides of the base, the base is hinged with the walking device, first telescopic parts are arranged at two sides of the hinged point of the base and the walking device, the seat component rotates around a hinge point to adjust the angle through the matching telescopic action of the two first telescopic pieces, the second telescopic piece is hinged on the base and the leg support, the leg support is driven to rotate around the base to adjust the angle through the telescopic action of the second telescopic piece, the third telescopic piece is hinged on the base and the backrest, the backrest is driven to rotate around the base to adjust the angle through the telescopic action of the third telescopic piece, when special conditions occur, the seat assembly can be adjusted into a temporary bed through the second telescopic piece and the third telescopic piece, so that a patient lies on the wheelchair flatly for rescue and other secondary injuries.

Drawings

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

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

FIG. 2 is a structural diagram illustrating a climbing state according to the present invention;

FIG. 3 is a schematic structural view of the seat assembly of the present invention in a flattened condition;

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

in the figure: 1. the seat comprises a running gear, 2, a seat assembly, 3, a first telescopic piece, 4, a seat board, 5, a leg support, 6, a backrest, 7, a second telescopic piece, 8, a third telescopic piece, 9, a frame, 10, a driving piece, 11, a rotating frame, 12, a driving shaft, 13, a driven shaft, 14, running wheels, 15, a sliding bearing seat, 16, an accommodating cavity, 17 and a crawler belt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any inventive step, are intended to be within the scope of the present invention.

As shown in fig. 1 to 4, the present embodiment proposes

The utility model provides a climbing wheelchair, including walking device 1, articulate seat subassembly 2 on walking device 1 and be used for driving seat subassembly 2 pivoted first extensible member 3 on walking device 1, seat subassembly 2 is including articulating bedplate 4 on walking device 1, rotate leg support 5 that sets up in bedplate 4 one side and rotate the back 6 that sets up at bedplate 4 opposite side, first extensible member 3 has two, articulate respectively bedplate 4 and walking device 1 pin joint both sides, still include

A fixed end of the second telescopic piece 7 is hinged on one side of the seat plate 4, a telescopic end is hinged on the leg support 5,

and a fixed end of the third telescopic piece 8 is hinged to the other side of the seat plate 4, and a telescopic end of the third telescopic piece is hinged to the backrest 6.

The thought of solving in this embodiment adjusts the wheelchair angle through the extensible member, and for articulated at seat subassembly and running gear, set up two extensible members at the pin joint both ends, adjust seat subassembly angle through two extensible members, further articulate the extensible member on seat subassembly's leg support and back, adjust the angle that back and leg held in the palm, the user can adjust according to own needs.

Specifically, the seat assembly 2 is hinged on the walking device 1, the seat assembly 2 comprises a base 4, leg supports 5 and a backrest 6, the leg supports 5 and the backrest 6 are respectively rotatably arranged at two sides of the base 4, the base 4 is hinged with the walking device 1, the first telescopic parts 3 are arranged at two sides of a hinged point of the base 4 and the walking device 1, the seat assembly 2 rotates around the hinged point to adjust the angle through the matching telescopic action of the two first telescopic parts 3, the second telescopic part 7 is hinged on the base 4 and the leg supports 5, the leg supports 5 are driven to rotate around the base 4 through the telescopic action of the second telescopic part 7 to adjust the angle, the third telescopic part 8 is hinged on the base 4 and the backrest 6, the backrest 6 is driven to rotate around the base 4 through the telescopic action of the third telescopic part 8 to adjust the angle, when a special condition occurs, the seat assembly 2 can be adjusted into a temporary bed through the second telescopic part 7 and the third telescopic part 8, the patient lies flat on the wheelchair to rescue and do other secondary injuries.

Further, the running gear 1 comprises

The frame 9, a first telescopic part 3 and the seat plate 4 are hinged on the frame 9,

and the rotating frame 11 is rotatably arranged on the rack 9, and the other first telescopic piece 3 is hinged on the rotating frame 11.

In the embodiment, a climbing mode of the walking device 1 is provided, specifically, the walking device 1 comprises a rack 9 and a rotating frame 11, one first telescopic part 3 and a seat plate 4 are hinged on the rack 9, the rotating frame 11 is rotatably arranged on the rack 9, the other first telescopic part 3 is hinged on the rotating frame 11, the first telescopic part 3 arranged on the rack 9 does not act, the angle of the rotating frame 11 is adjusted through the first telescopic part 3 arranged on the rotating frame 11, and climbing is started after the angle is adjusted to be the same as the gradient; the angle of the seat assembly 2 can be adjusted by simultaneously actuating the two first telescopic members 3, and the angle of the rotating frame 11 and the frame 9 can be adjusted by actuating one first telescopic member 3.

Furthermore, the center of gravity of the seat plate 4 is close to one side of the frame 9, and the backrest 6 is positioned above the rotating frame 11.

In this embodiment, in order to prevent the wheelchair from falling down when ascending, the wheelchair can be moved backward to go upstairs, the rotating frame 11 and the backrest 6 rotate to climb, the center of gravity of the seat plate 4 is arranged at the side close to the rack 9, when the wheelchair starts to climb, the rotating frame 11 rotates by a certain angle, and at this time, the center of gravity of the wheelchair is on the rack 9, so that the wheelchair is not easy to fall down.

Further, the running gear 1 further includes

A driving shaft 12 which is rotatably arranged on the frame 9,

a driving part 10 arranged on the frame 9 and used for driving a driving shaft 12 to rotate,

a plurality of driven shafts 13 which are respectively and rotatably arranged on the frame 9 and the rotating frame 11 and are symmetrically distributed at two sides of the rotating frame 11, the driving shaft 12 drives the driven shafts 13 to rotate through a crawler belt 17,

and a plurality of traveling wheels 14 respectively arranged on the driving shaft 12 and the driven shaft 13.

In the embodiment, a walking mode of the walking device 2 is provided, specifically, the driving part 10 is arranged on the frame 9, the driving shaft 12 is driven by the driving part 10 to rotate, the driven shaft 13 is provided with a plurality of, the rotation is arranged on two sides of the frame 9 and the rotating frame 11 and is symmetrically distributed, the driving shaft drives the driven shaft 13 to rotate through the crawler belt 17, the walking wheels 14 are provided with a plurality of walking wheels, the walking wheels are respectively arranged on the driving shaft 12 and the driven shaft 13, the rotating frame 11 rotates, the crawler belt 17 can automatically adjust the angle according to the rotation angle, the driving shaft 12 can continuously drive the driven shaft 13, when climbing, because of the problem of the angle of stairs, the crawler belt 17 can also climb as a stressed part, and the climbing efficiency is ensured.

Further, the running gear 1 further includes

The sliding bearing blocks 15 are arranged on the rack 9 and the rotating frame 11 respectively, and the driven shaft 13 is rotatably arranged on the sliding bearing blocks 15 and slides along the walking direction along with the sliding bearing blocks 15.

In the embodiment, in order to ensure that the crawler 17 can be tensioned continuously, the driven shaft 13 is arranged on the sliding bearing seat 15, specifically, the driven shaft 13 is rotatably arranged on the sliding part of the sliding bearing seat 15, the sliding bearing seat 15 is arranged on the rack 9 and the rotating frame 11, and the distance between the driven shaft 13 and the driving shaft 12 is adjusted through the sliding part of the sliding bearing seat 15, so that the crawler 17 is always in a tensioned state.

Further, the seat plate 4 has a receiving cavity 16, and the receiving cavity 16 is used for containing articles.

In this embodiment, the base 4 has a receiving cavity 16, and the wheelchair user can place personal belongings in the receiving cavity 16.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a climbing wheelchair, includes running gear (1), articulates seat subassembly (2) on running gear (1) and be used for the drive seat subassembly (2) are in run gear (1) and go up first extensible member (3) of pivoted, its characterized in that, seat subassembly (2) are including articulating bedplate (4) on running gear (1), rotation setting are in leg support (5) and the rotation setting of bedplate (4) one side are in backrest (6) of bedplate (4) opposite side, first extensible member (3) have two, articulate respectively bedplate (4) with run gear (1) pin joint both sides, still include

A second telescopic piece (7), the fixed end of which is hinged on one side of the seat board (4), the telescopic end of which is hinged on the leg support (5),

and the fixed end of the third telescopic piece (8) is hinged to the other side of the seat plate (4), and the telescopic end of the third telescopic piece is hinged to the backrest (6).

2. A climbing wheelchair according to claim 1, characterised in that the running gear (1) comprises

A frame (9), a first telescopic part (3) and the seat plate (4) are hinged on the frame (9),

and the rotating frame (11) is rotatably arranged on the rack (9), and the other first telescopic piece (3) is hinged on the rotating frame (11).

3. A climbing wheelchair according to claim 2, characterized in that the centre of gravity of the seat plate (4) is located close to the frame (9) side and the backrest (6) is located above the turret (11).

4. A climbing wheelchair according to claim 2, characterised in that the running gear (1) further comprises

A driving shaft (12) which is rotatably arranged on the frame (9),

a driving part (10) arranged on the frame (9) and used for driving the driving shaft (12) to rotate,

a plurality of driven shafts (13) which are respectively and rotatably arranged on the rack (9) and the rotating frame (11), the driven shafts (13) are symmetrically distributed on two sides of the rack (9) and the rotating frame (11), the driving shaft (12) drives the driven shafts (13) to rotate through a crawler belt (17),

and a plurality of traveling wheels (14) which are respectively arranged on the driving shaft (12) and the driven shaft (13).

5. A climbing wheelchair according to claim 4, characterised in that the running gear (1) further comprises

The sliding bearing seats (15) are provided with a plurality of sliding bearing seats, the sliding bearing seats are respectively arranged on the rack (9) and the rotating frame (11), and the driven shaft (13) is rotatably arranged on the sliding bearing seats (15) and slides along the walking direction along with the sliding bearing seats (15).

6. A climbing wheelchair according to claim 1, characterized in that the seat plate (4) has a receiving chamber (16), the receiving chamber (16) being used for holding goods.