CN218943718U

CN218943718U - Folding wheelchair support

Info

Publication number: CN218943718U
Application number: CN202320192335.2U
Authority: CN
Inventors: 李未; 孙大文; 宋海昌; 范亮; 孙冰寒
Original assignee: Changchun University
Current assignee: Changchun University
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-05-02
Anticipated expiration: 2033-02-13

Abstract

The utility model discloses a folding wheelchair bracket, and relates to the technical field of wheelchair folding brackets. The utility model comprises two groups of first fixing brackets which are arranged in parallel and correspondingly, wherein reinforcing plates are hinged on corresponding side walls of the first fixing brackets, the corresponding side walls of the two groups of reinforcing plates are arranged in a hinged connection manner, positioning blocks are welded on the tops of the two groups of reinforcing plates, the two groups of positioning blocks are arranged in a fitting manner, and a connecting plate is arranged above the corresponding side walls of the first fixing brackets. The height adjusting mechanism is arranged, so that the device can be folded quickly, and the height of the seat cushion of the wheelchair bracket can be changed according to the use requirement of a user, thereby achieving the optimal comfort point required by the user, improving the use comfort of the user and greatly improving the practicability of the device.

Description

Folding wheelchair support

Technical Field

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

Background

As is well known, a wheelchair frame is an auxiliary device for mobility impaired persons, which is widely used in the field of wheelchairs; wheelchairs are chairs provided with wheels to help to replace walking, and are divided 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 the disabled persons and the mobility impaired persons for riding instead of walk, but also is convenient for the family members to move and care the patients, so that the patients can exercise and participate in social activities by means of the wheelchair.

The wheelchair folding bracket provided by the Chinese patent publication No. CN207755473U comprises a front foot, a rear foot, a seat plate and a swinging rod, wherein the upper end of the front foot is pivoted with the upper end of the rear foot, the front end of the seat plate is pivoted with the middle part of the front foot, the lower end of the swinging rod is pivoted with the rear foot, and the upper end of the swinging rod is pivoted with the rear end of the seat plate. The folding bracket of the wheelchair has the advantages of simple folding and convenient use, but the height of the seat cushion cannot be adjusted according to the requirement of a user when the folding bracket is used, so that the use comfort of the user is greatly reduced.

For this purpose, a folding wheelchair frame is proposed.

Disclosure of Invention

The utility model aims at: the utility model provides a folding wheelchair support, which aims to solve the problem that the height of a cushion cannot be adjusted according to the requirement of a user in the prior art, so that the use comfort of the user is greatly reduced.

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides a folding wheelchair support, including first fixed bolster, the quantity of first fixed bolster is two sets of just is parallel correspondence setting, the reinforcing plate is all articulated to be installed to the corresponding lateral wall of first fixed bolster, the corresponding lateral wall of two sets of reinforcing plates is articulated connection setting, the equal welded mounting in top of two sets of reinforcing plates has the locating piece, two sets of locating pieces are the laminating setting, the corresponding lateral wall of first fixed bolster is located the top of reinforcing plate and is provided with the connecting plate, the quantity of connecting plate is two sets of just is parallel correspondence setting, the backup pad is articulated to be installed to the corresponding lateral wall of connecting plate, the quantity of backup pad is two sets of and the corresponding lateral wall of backup pad is articulated connection setting, the locating plate is installed to the top of two sets of backup pads in proper order welding, backup pad and reinforcing plate correspond the department and be provided with high adjustment mechanism, the bottom welded mounting of first fixed bolster has the second fixed bolster, the lateral wall of second fixed bolster has set gradually helping hand wheel and has set up the steering wheel, in some embodiments, when using folding wheelchair, the preferential cover the foundation cloth on first fixed bolster, when putting into use, the backup pad and the backup pad need be moved when the high adjustment mechanism can be adjusted by hand, when sitting down in a user.

Further, the size structure of the supporting plate is the same as that of the reinforcing plate.

Further, the height adjusting mechanism comprises a threaded rod, a double-shaft motor, a first sliding groove, a first sliding block, a supporting rod second sliding groove and a second sliding block, wherein the first sliding groove is formed in two sides of the two groups of reinforcing plates on the first fixed support, the double-shaft motor is arranged at the middle position of the first sliding groove, the threaded rod is welded and installed at the output end of the double-shaft motor, the free end of the threaded rod is sequentially located on the front inner wall and the rear inner wall of the first sliding groove and is rotationally connected with the first sliding groove, the first sliding block is internally provided with the first sliding block, the first sliding block is sleeved on the threaded rod and is in threaded connection with the threaded rod, the supporting rods are sequentially hinged to the top of the first sliding block, the two groups of supporting rods are in cross-hinged connection with each other, the second sliding groove is formed in the corresponding position of the bottom of the connecting plate, the second sliding groove is in hinged with the free ends of the two groups of supporting rods, and when the seat cushion height is required to be changed, the double-shaft motor is driven to rotate the two groups of the threaded rod, the two groups of the first sliding blocks are sequentially located in the front inner wall of the first sliding groove and are sequentially moved in the first sliding groove, the first sliding block is sequentially, the two groups of the supporting rods are sequentially close to the end points of the two groups of the supporting rods are sequentially, and the supporting rods are sequentially arranged in the height of the first sliding rod.

Further, the number of the first sliding blocks is two, the first sliding blocks are sequentially positioned on the front side and the rear side of the double-shaft motor, and the built-in threads of the two first sliding blocks are oppositely arranged.

Further, a sliding rod is welded and installed on the front side wall and the rear side wall of the second sliding groove, and the second sliding block is sleeved on the sliding rod and is in sliding connection with the sliding rod.

Further, the bottoms of the power-assisted wheels and the steering wheels are positioned on the same plane, and the steering wheels are universal wheels.

The beneficial effects of the utility model are as follows:

1. the height adjusting mechanism is arranged, so that the device can be folded quickly, and the height of the seat cushion of the wheelchair bracket can be changed according to the use requirement of a user, thereby achieving the optimal comfort point required by the user, improving the use comfort of the user and greatly improving the practicability of the device.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the height adjustment mechanism of the present utility model;

FIG. 3 is a schematic view of a second chute position according to the present utility model;

reference numerals: 1. a first fixing bracket; 2. a booster wheel; 3. a second fixing bracket; 4. a steering wheel; 5. a support rod; 6. a reinforcing plate; 7. a positioning block; 8. a threaded rod; 9. a biaxial motor; 10. a first chute; 11. a first slider; 12. a positioning plate; 13. a support plate; 14. a connecting plate; 15. a second chute; 16. and a second slider.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In describing embodiments of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience of description and simplification of description, and are not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

As shown in fig. 1 to 3, a folding wheelchair support comprises a first fixing support 1, the quantity of the first fixing support 1 is two sets of and is parallel corresponding setting, the corresponding lateral wall of the first fixing support 1 is all articulated to install the reinforcing plate 6, the corresponding lateral wall of two sets of reinforcing plates 6 is articulated connection setting, the top of two sets of reinforcing plates 6 is all welded and installs locating piece 7, two sets of locating pieces 7 are the laminating setting, the corresponding lateral wall of the first fixing support 1 is located the top of reinforcing plate 6 and is provided with connecting plate 14, the quantity of connecting plate 14 is two sets of and is parallel corresponding setting, the corresponding lateral wall of connecting plate 14 is articulated to install backup pad 13, the quantity of backup pad 13 is two sets of and the corresponding lateral wall of backup pad 13 is articulated connection setting, the top of two sets of backup pad 13 is welded and installs locating plate 12 in proper order, the bottom welding of first fixing support 1 installs second fixing support 3, the lateral wall of second fixing support 3 sets up and helps power-assisted wheel 2 and steering wheel 4, in some embodiments, when need use the folding wheelchair 1, first fixing support 1 and second fixing support 3 need be adjusted the high-speed adjustment mechanism when the user carries out the high-speed adjustment, the user can carry out the adjustment of the base when sitting position adjustment mechanism, can be adjusted on the seat support 1 and the high-speed adjustment base when using the cushion 12.

The size and structure of the support plate 13 are the same as those of the reinforcement plate 6.

The height adjusting mechanism comprises a threaded rod 8, a double-shaft motor 9, a first sliding groove 10, a first sliding block 11, a supporting rod 5, a second sliding groove 15 and a second sliding block 16, wherein the first sliding groove 10 is formed in two sides of two groups of reinforcing plates 6 on the first fixed support 1, the double-shaft motor 9 is arranged at the middle position of the first sliding groove 10, the threaded rod 8 is welded and installed at the output end of the double-shaft motor 9, the free end of the threaded rod 8 is sequentially located in the front inner wall and the rear inner wall of the first sliding groove 10 and is in rotary connection with the threaded rod 8, the first sliding groove 10 is internally provided with the first sliding block 11, the first sliding block 11 is sleeved on the threaded rod 8 and is in threaded connection with the threaded rod 8, the top of the first sliding block 11 is sequentially hinged with the supporting rod 5, the two groups of supporting rods 5 are in cross hinged connection, the bottom of the connecting plate 14 is located at the corresponding position with the first sliding groove 10, the second sliding groove 15 is internally provided with the second sliding block 16, the number of the second sliding blocks 16 is two groups and is sequentially in hinged connection with the free ends of the two groups of the first sliding grooves 5, when the supporting rod is required to change the height of the cushion, the inner side of the supporting rod 8 is sequentially located in the front inner side of the first sliding rod 8, the two groups of the sliding rod is caused to rotate, the first sliding blocks 11 are caused to move towards the first sliding rod 11, and the first sliding blocks are caused to be located to be close to the first sliding blocks 11, and the first sliding blocks are caused to move towards the first sliding rod 11 and are located to be close to the first sliding rod 5.

The number of the first sliding blocks 11 is two, the first sliding blocks 11 are sequentially positioned on the front side and the rear side of the double-shaft motor 9, and the built-in threads of the two first sliding blocks 11 are oppositely arranged.

The front and rear side walls of the second sliding groove 15 are welded and provided with sliding bars, and the second sliding block 16 is sleeved on the sliding bars and is in sliding connection with the sliding bars.

The bottoms of the booster wheel 2 and the steering wheel 4 are positioned on the same plane, and the steering wheel 4 is a universal wheel.

To sum up: in some embodiments, when the folding wheelchair is needed, the first fixing support 1, the second fixing support 3 and the connecting plate 14 are covered with base cloth preferentially, when the folding wheelchair is put into use, a user can sit on the supporting plate 13 and the positioning plate 12 to manually stir the booster wheel 2 to move, meanwhile, when the adjustment of the seat cushion height is needed, the height adjusting mechanism is driven to change, when the change of the seat cushion height is needed, the double-shaft motor 9 is driven to rotate the two groups of threaded rods 8, at the moment, the two groups of first sliding blocks 11 are located in the first sliding grooves 10 to move inwards, so that the first sliding blocks 11 approach the endpoints of the two groups of supporting rods 5, and the height of the seat cushion is changed.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a folding wheelchair support, a serial communication port, including first fixed bolster (1), the quantity of first fixed bolster (1) is two sets of just is parallel correspondence setting, the corresponding lateral wall of first fixed bolster (1) all articulates and installs gusset plate (6), the corresponding lateral wall of two sets of gusset plate (6) is articulated connection setting, the top of two sets of gusset plate (6) all welded mounting has locating piece (7), two sets of locating pieces (7) are the laminating setting, the top that the corresponding lateral wall of first fixed bolster (1) is located gusset plate (6) is provided with connecting plate (14), the quantity of connecting plate (14) is two sets of just is parallel correspondence setting, the corresponding lateral wall of connecting plate (14) articulates and installs backup pad (13), the quantity of backup pad (13) is two sets of and the corresponding lateral wall of backup pad (13) is articulated connection setting, the top of two sets of backup pad (13) is welded mounting in proper order and is had locating plate (12), the bottom welding of backup pad (13) and gusset plate (6) is provided with high adjustment mechanism, the bottom welding of first fixed bolster (1) has second fixed bolster (3), the quantity is parallel correspondence setting of lateral wall (3) and turning to help round (4) of turning to set up in proper order.

2. A folding wheelchair support according to claim 1, characterized in that the support plate (13) is of the same size as the reinforcement plate (6).

3. The folding wheelchair support according to claim 1, wherein the height adjusting mechanism comprises a threaded rod (8), a double-shaft motor (9), a first sliding groove (10), a first sliding block (11), a second sliding groove (15) of the supporting rod (5) and a second sliding block (16), wherein the first sliding groove (10) is formed in two sides of the two groups of reinforcing plates (6) on the first fixed support (1), the double-shaft motor (9) is arranged at the middle position of the first sliding groove (10), the threaded rod (8) is welded and mounted at the output end of the double-shaft motor (9), the free end of the threaded rod (8) is sequentially located on the front side inner wall and the rear side inner wall of the first sliding groove (10) and is connected with the rotating mode, the first sliding groove (11) is internally provided with the first sliding block (11), the first sliding block (11) is sleeved on the threaded rod (8) and is connected with the threaded rod (8) in a threaded mode, the supporting rod (5) is sequentially hinged to the top of the first sliding block (11), the two groups of supporting rods (5) are in a cross hinged mode, the bottom of the connecting plate (14) is located at the corresponding position with the first sliding groove (10), the second sliding groove (15) is arranged at the corresponding position of the first sliding groove (10), and the number of the second sliding block (16) is sequentially is two freely connected with the two sliding blocks (16).

4. A foldable wheelchair bracket according to claim 3, wherein the number of the first sliding blocks (11) is two, and the first sliding blocks are sequentially positioned at the front side and the rear side of the double-shaft motor (9), and the built-in threads of the two first sliding blocks (11) are oppositely arranged.

5. A foldable wheelchair support according to claim 3, characterized in that the front and rear side walls of the second chute (15) are welded with a sliding rod, and the second sliding block (16) is sleeved on the sliding rod and is slidingly connected with the sliding rod.

6. A folding wheelchair support according to claim 1, characterized in that the bottoms of the booster wheel (2) and the steering wheel (4) are located on the same plane, the steering wheel (4) being a universal wheel.