CN215081044U

CN215081044U - Multifunctional adjustable wheelchair

Info

Publication number: CN215081044U
Application number: CN202121071969.XU
Authority: CN
Inventors: 贺吉军; 贺秋元; 贺极苍
Original assignee: Jiangsu Renjian Photoelectric Science & Technology Co ltd
Current assignee: Jiangsu Renjian Photoelectric Science & Technology Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-12-10
Anticipated expiration: 2031-05-19

Abstract

The utility model discloses a multi-functional adjustable wheelchair, including first supporting leg, extension piece and foot rest, the bottom of first supporting leg is provided with the drive wheel, be connected with expanding spring between the internal surface of stopper and mounting groove, the end-to-end connection of stopper has the slide bar, the spout has been seted up on the surface of movable base, the inside of spout is provided with second fastening bolt, the end-to-end connection of second fastening bolt installs the extension piece, the end-to-end connection of extension piece has the foot rest. This multi-functional adjustable wheelchair is provided with the rotation axis, rotation axis and control panel fixed connection, spacing hole has been seted up to the seat side, the end department of rotation axis is provided with first fixed bolster, be provided with first fastening bolt on the first fixed bolster, make the control panel can change the angle through the rotation axis is rotatory, can accomplish the fixed of control panel through the cooperation of first fastening bolt and spacing hole simultaneously, make the angle of back can adjust, improve user's comfort level.

Description

Multifunctional adjustable wheelchair

Technical Field

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

Background

Wheelchairs are chairs equipped with wheels to help replace walking and are classified into electric and manual folding wheelchairs. The wheelchair is an important moving tool for home rehabilitation, turnover transportation, treatment 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 take care of the patients, so that the patients can carry out physical exercise and participate in social activities by means of the wheelchair. The special wheelchairs can be divided into leisure sports wheelchairs, electronic wheelchairs, seat-side wheelchairs, standing-assisting wheelchairs and the like.

Most of wheelchairs in the market at present are fixed in size, and the size of the wheelchairs cannot be adjusted, so that the existing wheelchairs cannot adapt to users with different heights, the application range of the wheelchairs is limited, and a multifunctional adjustable wheelchair is provided so as to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional adjustable wheelchair to solve most of the present wheelchairs that use on the market that above-mentioned background art provided and be fixed dimension, can't adjust the size of wheelchair, consequently the user of the unable different heights of adaptation of current wheelchair makes the application scope of wheelchair receive the problem of restriction.

In order to achieve the above object, the utility model provides a following technical scheme: a multifunctional adjustable wheelchair comprises a first supporting leg, an extending block and a foot rest, wherein a driving wheel is arranged at the bottom of the first supporting leg, a second supporting leg is arranged on the side face of the first supporting leg, a universal wheel is arranged at the bottom of the second supporting leg, seats are arranged on the upper surfaces of the first supporting leg and the second supporting leg, apron boards are installed on two sides of each seat, a backrest is installed behind each seat, control plates are arranged on two sides of the backrest, a rotating shaft is arranged at the joint of the tail end of each control plate and the side face of each seat, a first fixing support is fixed at the tail end of each rotating shaft, a first fastening bolt is arranged on each first fixing support, a limiting hole is formed in the outer side of each rotating shaft and is formed in the side face of each seat, a movable base is connected to the front end of the side face of each seat, and a rotating fluted disc is arranged at the joint of each movable base and each seat, the mounting groove has been seted up to the front end of seat side, and rotatory fluted disc places the inside at the mounting groove, the inside surface mounting of mounting groove has the second fixed bolster, the end of second fixed bolster is provided with the stopper, be connected with expanding spring between the internal surface of stopper and mounting groove, the end-to-end connection of stopper has the slide bar, the spout has been seted up on the surface of activity base, the inside of spout is provided with second fastening bolt, the extension piece is installed to second fastening bolt's end, the end-to-end connection of extension piece has the foot rest.

Preferably, the length of the first supporting leg is smaller than that of the second supporting leg, the diameter of the driving wheel is larger than that of the universal wheel, and the bottom surface of the driving wheel and the bottom surface of the universal wheel are located on the same horizontal plane.

Preferably, the control panel symmetry sets up in the left and right sides of back, and is fixed connection between control panel and the back, be fixed connection between rotation axis and the control panel, and be swivelling joint between rotation axis and the seat.

Preferably, 8 limiting holes are formed in the limiting hole, the limiting holes are evenly distributed in the outer side of the rotating shaft, the size of the first fastening bolt is equal to that of the limiting hole, and a threaded structure is arranged on the inner surface of the limiting hole.

Preferably, the diameter of the mounting groove is larger than that of the rotary fluted disc, and the limiting block forms a turnover mechanism inside the mounting groove under the action of the telescopic spring.

Preferably, the size of the top end of the second fastening bolt is larger than the width of the sliding groove, the size of the position below the top end of the second fastening bolt is equal to the width of the sliding groove, the inner side surface of the sliding groove is also provided with a thread structure, and the foot rest is rotatably connected with the extension block.

Compared with the prior art, the beneficial effects of the utility model are that: this multi-functional adjustable wheelchair:

(1) the chair is provided with a rotating shaft, the rotating shaft is fixedly connected with a control panel, a limiting hole is formed in the side face of the chair, a first fixing support is arranged at the end head of the rotating shaft, and a first fastening bolt is arranged on the first fixing support, so that the angle of the control panel can be changed through rotation of the rotating shaft, and meanwhile, the fixing of the control panel can be completed through the matching of the first fastening bolt and the limiting hole, so that the angle of a backrest can be adjusted, and the comfort level of a user is improved;

(2) be provided with the mounting groove, the inside of mounting groove is provided with rotatory fluted disc, the internal surface of mounting groove is provided with the second fixed bolster, install the stopper on the second fixed bolster, the stopper can be through the control and the separation of rotatory fluted disc and the contact of slide bar to make the angle change of activity base, simultaneously, the length of extension piece can be controlled to the second fastening bolt, thereby the position of adjustment foot rest makes the device can adapt to the user of different heights, improves the device's suitability.

Drawings

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

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

FIG. 3 is a schematic cross-sectional view taken at A in FIG. 1 according to the present invention;

fig. 4 is a schematic view of the side-cut structure of the movable base of the present invention.

In the figure: 1. a first support leg; 2. a drive wheel; 3. a second support leg; 4. a universal wheel; 5. a seat; 6. protecting the apron board; 7. a backrest; 8. a control panel; 9. a rotating shaft; 10. a first fixed bracket; 11. a first fastening bolt; 12. a limiting hole; 13. a movable base; 14. rotating the fluted disc; 15. mounting grooves; 16. a second fixed bracket; 17. a limiting block; 18. a tension spring; 19. a slide bar; 20. a chute; 21. a second fastening bolt; 22. an extension block; 23. a foot rest.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a multifunctional adjustable wheelchair comprises a first supporting leg 1, a driving wheel 2, a second supporting leg 3, universal wheels 4, a seat 5, a skirt guard 6, a backrest 7, a control panel 8, a rotating shaft 9, a first fixing support 10, a first fastening bolt 11, a limiting hole 12, a movable base 13, a rotating fluted disc 14, a mounting groove 15, a second fixing support 16, a limiting block 17, a telescopic spring 18, a sliding rod 19, a sliding groove 20, a second fastening bolt 21, an extending block 22 and a foot rest 23, wherein the driving wheel 2 is arranged at the bottom of the first supporting leg 1, the second supporting leg 3 is arranged on the side surface of the first supporting leg 1, the universal wheels 4 are arranged at the bottom of the second supporting leg 3, the seat 5 is arranged on the upper surfaces of the first supporting leg 1 and the second supporting leg 3, the skirt guard 6 is arranged on two sides of the seat 5, the backrest 7 is arranged behind the seat 5, the control panel 8 is arranged on two sides of the backrest 7, a rotating shaft 9 is arranged at the joint of the tail end of the control plate 8 and the side surface of the seat 5, a first fixing support 10 is fixed at the tail end of the rotating shaft 9, a first fastening bolt 11 is arranged on the first fixing support 10, a limiting hole 12 is formed in the outer side of the rotating shaft 9, the limiting hole 12 is formed in the side surface of the seat 5, a movable base 13 is connected to the front end of the side surface of the seat 5, a rotary fluted disc 14 is arranged at the joint of the movable base 13 and the seat 5, a mounting groove 15 is formed in the front end of the side surface of the seat 5, the rotary fluted disc 14 is placed in the mounting groove 15, a second fixing support 16 is installed on the inner surface of the mounting groove 15, a limiting block 17 is arranged at the tail end of the second fixing support 16, a telescopic spring 18 is connected between the limiting block 17 and the inner surface of the mounting groove 15, a sliding rod 19 is connected to the tail end of the limiting block 17, a sliding groove 20 is formed in the surface of the movable base 13, a second fastening bolt 21 is arranged in the sliding groove 20, an extension block 22 is mounted at the end of the second fastening bolt 21, and a foot rest 23 is connected to the end of the extension block 22.

The length of first supporting leg 1 is less than the length of second supporting leg 3, and the diameter of drive wheel 2 is greater than the diameter of universal wheel 4, and the bottom surface of drive wheel 2 and the bottom surface of universal wheel 4 are located same horizontal plane, make the device more steady and can turn to.

The control panel 8 is symmetrically arranged at the left side and the right side of the backrest 7, the control panel 8 is fixedly connected with the backrest 7, the rotating shaft 9 is fixedly connected with the control panel 8, and the rotating shaft 9 is rotatably connected with the seat 5, so that the angle of the backrest 7 can be adjusted.

The number of the limiting holes 12 is 8, the limiting holes 12 are uniformly distributed on the outer side of the rotating shaft 9, the size of the first fastening bolt 11 is equal to that of the limiting holes 12, and the inner surface of each limiting hole 12 is provided with a threaded structure, so that the backrest 7 can be fixed with the seat 5.

The diameter of mounting groove 15 is greater than the diameter of rotatory fluted disc 14, and stopper 17 passes through under the effect of expanding spring 18 and constitutes tilting mechanism in the inside of mounting groove 15, makes stopper 17 can contact or separate with rotatory fluted disc 14.

The size of the top end of the second fastening bolt 21 is larger than the width of the sliding chute 20, the size of the position below the top end of the second fastening bolt 21 is equal to the width of the sliding chute 20, the inner side surface of the sliding chute 20 is also provided with a thread structure, and the foot rest 23 is rotatably connected with the extension block 22, so that the position of the foot rest 23 can be changed.

The working principle is as follows: when the multifunctional adjustable wheelchair is used, firstly, the parts required by the device are assembled, the first fastening bolt 11 is rotated and taken down according to needs when the multifunctional adjustable wheelchair is used, then the rotating shaft 9 is rotated, the control plate 8 and the rotating shaft 9 are fixedly connected, therefore, the control plate 8 rotates along with the rotating shaft 9 synchronously, so that the angle between the backrest 7 and the seat 5 is changed, after the angle adjustment of the backrest 7 is completed, the first fastening bolt 11 is rotated again, and the first fastening bolt 11 enters the corresponding limit hole 12, so that the fixation of the backrest 7 is completed.

The length and the inclination angle of the foot rest 23 can be adjusted according to requirements, the sliding rod 19 is pulled, the sliding rod 19 drives the limit block 17 to extrude the telescopic spring 18, the angle of the limit block 17 is changed, the rotating fluted disc 14 can freely rotate, so that the angle of the movable base 13 is changed, after the angle adjustment of the movable base 13 is completed, the sliding rod 19 is loosened, the limit block 17 is reset under the action of the telescopic spring 18 to limit the rotation of the rotating fluted disc 14, the fixing of the movable base 13 is completed, when the position of the foot rest 23 needs to be adjusted, the second fastening bolt 21 is screwed off, then the extension block 22 can slide along the sliding groove 20, after the position adjustment of the extension block 22 is completed, the second fastening bolt 21 is screwed on again, because the size of the second fastening bolt 21 is larger than the width of the sliding groove 20, the position of the extension block 22 can be fixed, which is the working process of the device, and the contents such as the universal wheel 4, the rotation shaft 9, etc., which are not described in detail in this specification, are well known to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A multifunctional adjustable wheelchair comprises a first support leg (1), an extension block (22) and a foot rest (23), and is characterized in that: the bottom of the first supporting leg (1) is provided with a driving wheel (2), the side face of the first supporting leg (1) is provided with a second supporting leg (3), the bottom of the second supporting leg (3) is provided with a universal wheel (4), the upper surfaces of the first supporting leg (1) and the second supporting leg (3) are provided with a seat (5), apron boards (6) are installed on two sides of the seat (5), a backrest (7) is installed behind the seat (5), control boards (8) are arranged on two sides of the backrest (7), a rotating shaft (9) is arranged at the joint of the tail end of each control board (8) and the side face of the seat (5), a first fixing support (10) is fixed at the tail end of each rotating shaft (9), a first fastening bolt (11) is arranged on each first fixing support (10), and a limiting hole (12) is formed in the outer side of each rotating shaft (9), the side face of the seat (5) is provided with a limiting hole (12), the front end of the side face of the seat (5) is connected with a movable base (13), a rotary fluted disc (14) is arranged at the joint of the movable base (13) and the seat (5), a mounting groove (15) is formed in the front end of the side face of the seat (5), the rotary fluted disc (14) is placed in the mounting groove (15), a second fixed support (16) is arranged on the inner surface of the mounting groove (15), a limiting block (17) is arranged at the tail end of the second fixed support (16), a telescopic spring (18) is connected between the limiting block (17) and the inner surface of the mounting groove (15), the tail end of the limiting block (17) is connected with a sliding rod (19), a sliding groove (20) is formed in the surface of the movable base (13), and a second fastening bolt (21) is arranged in the sliding groove (20), an extension block (22) is installed at the tail end of the second fastening bolt (21), and a foot rest (23) is connected to the tail end of the extension block (22).

2. The multifunctional adjustable wheelchair as claimed in claim 1, wherein: the length of first supporting leg (1) is less than the length of second supporting leg (3), the diameter of drive wheel (2) is greater than the diameter of universal wheel (4), and the bottom surface of drive wheel (2) and the bottom surface of universal wheel (4) are located same horizontal plane.

3. The multifunctional adjustable wheelchair as claimed in claim 1, wherein: control panel (8) symmetry sets up the left and right sides at back (7), and is fixed connection between control panel (8) and back (7), be fixed connection between rotation axis (9) and control panel (8), and be swivelling joint between rotation axis (9) and seat (5).

4. The multifunctional adjustable wheelchair as claimed in claim 1, wherein: the number of the limiting holes (12) is 8, the limiting holes (12) are evenly distributed on the outer side of the rotating shaft (9), the size of the first fastening bolt (11) is equal to that of the limiting holes (12), and the inner surface of each limiting hole (12) is provided with a thread structure.

5. The multifunctional adjustable wheelchair as claimed in claim 1, wherein: the diameter of the mounting groove (15) is larger than that of the rotary fluted disc (14), and the limiting block (17) forms a turnover mechanism in the mounting groove (15) under the action of the telescopic spring (18).

6. The multifunctional adjustable wheelchair as claimed in claim 1, wherein: the size of the top end of the second fastening bolt (21) is larger than the width of the sliding groove (20), the size of the position below the top end of the second fastening bolt (21) is equal to the width of the sliding groove (20), the inner side face of the sliding groove (20) is also provided with a thread structure, and the foot rest (23) is rotatably connected with the extension block (22).