CN216318468U

CN216318468U - Wheelchair with backrest angle adjusting function

Info

Publication number: CN216318468U
Application number: CN202123133942.1U
Authority: CN
Inventors: 崔海影
Original assignee: Qingdao Bozhi Huicai Innovation Technology Co ltd
Current assignee: Qingdao Bozhi Huicai Innovation Technology Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-04-19
Anticipated expiration: 2031-12-14

Abstract

The utility model relates to the technical field of wheelchairs, in particular to a wheelchair with a backrest angle adjusting function, which comprises armrests, a seat plate and a base, wherein the upper end of the base is connected with the seat plate, one side of the seat plate is provided with a backrest body, the backrest body is rotationally connected with the seat plate through a rotating shaft, the inner side of the base is provided with a groove, a supporting plate is slidably connected with the groove on the base, a thread groove is arranged in the supporting plate, a thread rod is spirally connected in the thread groove on the supporting plate, the thread rod is rotationally connected in the base, one end of the thread rod is connected with a motor output shaft through a coupler, the utility model can enable the thread rod to drive the supporting plate to move by controlling a motor, the supporting plate can drive a supporting rod to rotate, and the supporting rod can support and fix the backrest body, thereby facilitating the automatic adjustment of the angle of the backrest body, the use comfort of the device is increased.

Description

Wheelchair with backrest angle adjusting function

Technical Field

The utility model relates to the technical field of wheelchairs, in particular to a wheelchair with a backrest angle adjusting function.

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 physically disabled persons and persons with mobility disabilities for riding instead of walk, 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, and the wheelchair with the backrest angle adjusting function is more widely applied along with the development of the society.

Most wheelchairs on the market do not have the function of back angle modulation, and the travelling comfort that leads to the device in the use is relatively poor, influences the result of use, perhaps has angle modulation's function, but can not adjust automatically, probably needs other people to assist the regulation, and the limitation is great, and inconvenient placing some article or walking stick simultaneously, and the practicality is poor.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a wheelchair with a backrest angle adjustment function, so as to solve the problems of the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a wheelchair with back angle modulation function, includes handrail, bedplate and base, the base upper end is connected with the bedplate, bedplate one side is provided with the back body, the back body rotates through the pivot with the bedplate to be connected, the base inboard is seted up flutedly, sliding connection has the backup pad in the recess on the base, set up the thread groove in the backup pad, threaded connection has the threaded rod in the thread groove in the backup pad, the threaded rod rotates to be connected in the base, shaft coupling and motor output shaft are passed through to threaded rod one end, the motor is connected in the base.

Preferably, the supporting plate is far away from threaded rod one end upside and is rotated and be connected with the bracing piece, the bracing piece is provided with a plurality ofly, the bracing piece rotates to be connected on the back body.

Preferably, the front end and the rear end of the seat board are both connected with armrests, and one side, far away from the backrest body, of the armrests on the front end of the seat board is connected with a controller.

Preferably, a groove is formed in the middle of the handrail on the front side of the seat plate, a connecting frame is connected to the groove in the handrail in a sliding mode, fixed blocks penetrate through the two sides of the connecting frame and are connected to the upper side of the handrail in a sliding mode, the fixed blocks are connected to the two ends of the bottom side of the pulling plate, and the pulling plate is connected to the upper side of the handrail in a fitting mode.

Preferably, both sides of the front end of the connecting frame are connected with connecting rods, the connecting rods are connected to both sides of the rear end of the storage box, and limiting grooves are formed in both sides of the storage box.

Preferably, the storage battery is connected to the bottom side of the base, the front end and the rear end of one side, close to the backrest body, of the base are respectively connected with the supporting frames, and the upper sides of the supporting frames are connected with the handles.

Preferably, the upper end of the seat plate is provided with a soft pad which is fixedly connected with the seat plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, by the arrangement of the motor, the threaded rod, the supporting plate, the supporting rod and the backrest body, the motor is controlled, the threaded rod can drive the supporting plate to move, the supporting plate can drive the supporting rod to rotate, and the supporting rod can support and fix the backrest body, so that the angle of the backrest body can be conveniently and automatically adjusted, and the use comfort of the device is improved.

2. According to the storage box, the limiting groove, the pull plate, the fixing block and the connecting frame are arranged, so that articles of a user can be placed through the storage box, the limiting groove is matched, long articles such as walking sticks can be fixed and limited, the practicability of the device is effectively improved, meanwhile, the connecting frame and the handrail can be quickly fixed and separated through the fixing block and the pull plate, the storage box can be conveniently and quickly replaced, and the storage box can be timely replaced when being damaged.

Drawings

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

FIG. 2 is a schematic view of the structure of FIG. 1 at point A according to the present invention;

FIG. 3 is a schematic view of the structure of FIG. 1 at B according to the present invention;

fig. 4 is a schematic view of the mounting structure of the connecting frame of the present invention.

In the figure: 1-armrest, 2-seat board, 3-support frame, 4-backrest body, 5-support rod, 6-base, 7-soft cushion, 8-storage battery, 9-handle, 10-controller, 11-pulling plate, 12-fixing block, 13-connecting frame, 14-motor, 15-support plate, 16-threaded rod, 17-connecting rod, 18-limit groove and 19-storage box.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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 creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a wheelchair with back angle modulation function, including handrail 1, bedplate 2 and

base

6, 6 upper ends of base are connected with bedplate 2, bedplate 2 one side is provided with back body 4, back body 4 rotates through the pivot with bedplate 2 and is connected, 6 inboard recesses are seted up to the base, sliding connection has backup pad 15 in the recess on the base 6, the thread groove has been seted up in the backup pad 15, threaded groove internal screw connection in the backup pad 15 has threaded rod 16, threaded rod 16 rotates to be connected in

base

6, 16 one end of threaded rod is passed through the shaft coupling and is connected with 14 output shaft of motor, motor 14 is connected in base 6.

The upper side of one end, far away from the threaded rod 16, of the support plate 15 is rotatably connected with a plurality of support rods 5, the support rods 5 are rotatably connected to the backrest body 4, and the angle of the backrest body 4 can be adjusted through the support plate 15 and the support rods 5; the front end and the rear end of the seat board 2 are both connected with the armrests 1, one side, far away from the backrest body 4, of the armrest 1 on the front end of the seat board 2 is connected with the controller 10, and the device can be controlled through the controller 10; a groove is formed in the middle of the handrail 1 on the front side of the seat plate 2, a connecting frame 13 is connected to the groove on the handrail 1 in a sliding manner, fixed blocks 12 penetrate through two sides of the connecting frame 13, the fixed blocks 12 are connected to the upper side of the handrail 1 in a sliding manner, the fixed blocks 12 are connected to two ends of the bottom side of the pulling plate 11, the pulling plate 11 is connected to the upper side of the handrail 1 in a fitting manner, and the storage box 19 can be conveniently replaced through the fixed blocks 12 and the pulling plate 11; both sides of the front end of the connecting frame 13 are connected with connecting rods 17, the connecting rods 17 are connected with both sides of the rear end of the storage box 19, both sides of the storage box 19 are provided with limiting grooves 18, and articles of a user can be stored through the storage box 19 and the limiting grooves 18; a storage battery 8 is connected in the bottom side of the base 6, the front end and the rear end of one side of the base 6, which is close to the backrest body 4, are connected with the support frames 3, the upper side of each support frame 3 is connected with a handle 9, and the device can be conveniently pushed through the handles 9 and the support frames 3; the upper end of the seat board 2 is provided with a soft cushion 7, the soft cushion 7 is fixedly connected with the seat board 2, and the comfort of the device can be improved through the soft cushion 7.

The working process is as follows: when the angle adjusting device is used, power is supplied through the storage battery 8, when the angle of the backrest body 4 needs to be adjusted, the controller 10 can be controlled to enable the motor 14 to rotate, the motor 14 can drive the threaded rod 16 to rotate, the threaded rod 16 can drive the supporting plate 15 to move, the supporting plate 15 can drive the supporting rod 5 to rotate, the supporting plate 15 can pull and support the backrest body 4, the backrest body 4 rotates, the effect of automatically adjusting the angle is achieved, when the angle adjusting device is used, a plurality of articles can be stored through the storage box 19, meanwhile, the longer articles such as walking sticks and the like can be fixed and limited by matching with the limiting groove 18, the practicability is improved, when the storage box 19 needs to be replaced, the pull plate 11 can be pulled, the pull plate 11 can drive the fixing block 12 to leave the connecting frame 13 and the armrest 1, and the storage box 19 is pulled, can dismantle storage box 19, when needs are installed it, cooperate earlier that arm-tie 11 takes out fixed block 12 from handrail 1, later insert in handrail 1 link 13, later insert handrail 1 and link 13 link 12 in, just accomplished storage box 19's assembly this moment, can in time change it when storage box 19 appears damaged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A wheelchair with a backrest angle adjusting function comprises armrests (1), a seat board (2) and a base (6), and is characterized in that: base (6) upper end is connected with bedplate (2), bedplate (2) one side is provided with back body (4), back body (4) rotate through the pivot with bedplate (2) and are connected, base (6) inboard is seted up flutedly, sliding connection has backup pad (15) in the recess on base (6), the thread groove has been seted up in backup pad (15), threaded groove internal screw thread on backup pad (15) is connected with threaded rod (16), threaded rod (16) rotate to be connected in base (6), threaded rod (16) one end is passed through the shaft coupling and is connected with motor (14) output shaft, motor (14) are connected in base (6).

2. The wheelchair having a backrest angle adjusting function according to claim 1, wherein: the supporting plate (15) is far away from the upside of one end of the threaded rod (16) and is connected with the supporting rod (5) in a rotating mode, the supporting rod (5) is provided with a plurality of supporting rods, and the supporting rods (5) are connected to the backrest body (4) in a rotating mode.

3. The wheelchair having a backrest angle adjusting function according to claim 1, wherein: both ends all are connected with handrail (1) around bedplate (2), handrail (1) on the bedplate front end is kept away from back body (4) one side and is connected with controller (10).

4. The wheelchair having a backrest angle adjusting function according to claim 1, wherein: the improved seat board is characterized in that a groove is formed in the middle of a handrail (1) on the front side of the seat board (2), a connecting frame (13) is connected to the groove in the handrail (1) in a sliding mode, fixed blocks (12) are arranged on the connecting frame (13) in two sides in a penetrating mode, the fixed blocks (12) are connected to the upper side of the handrail (1) in a sliding mode, the two ends of the bottom side of a pulling plate (11) are connected to the fixed blocks (12), and the pulling plate (11) is attached to the upper side of the handrail (1).

5. The wheelchair having a backrest angle adjusting function according to claim 4, wherein: connecting rod (17) are all connected with on link (13) front end both sides, connecting rod (17) are connected in case (19) rear end both sides, spacing groove (18) have all been seted up to case (19) both sides.

6. The wheelchair having a backrest angle adjusting function according to claim 1, wherein: the multifunctional backrest is characterized in that a storage battery (8) is connected to the bottom side of the base (6), the front end and the rear end of one side, close to the backrest body (4), of the base (6) are respectively connected with a support frame (3), and the upper side of each support frame (3) is connected with a handle (9).

7. The wheelchair having a backrest angle adjusting function according to claim 1, wherein: the upper end of the seat plate (2) is provided with a soft cushion (7), and the soft cushion (7) is fixedly connected with the seat plate (2).