CN214180831U

CN214180831U - Foldable wheelchair

Info

Publication number: CN214180831U
Application number: CN202022014006.8U
Authority: CN
Inventors: 王建新
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-09-14
Anticipated expiration: 2030-09-15

Abstract

The utility model belongs to the technical field of the wheelchair technique and specifically relates to a folding wheelchair, which comprises a supporting rack and specifically relates to a support frame, the bottom of support frame is fixed with two telescopic cylinder, two front wheels are installed to the bottom of support frame one side, the telescopic link has been placed in the telescopic cylinder, the one end of telescopic link extends away from the telescopic cylinder, the top of telescopic link is fixed with the montant, one side of montant upper end is rotated and is installed the rear wheel, the top fixed mounting of support frame has the bedplate, one side of bedplate is rotated and is installed the backup plate, the opposite side of backup plate rotates and installs two push rods, the lower extreme of push rod rotates with the top of telescopic link one end and is connected, and the push rod is the slope setting. This device reasonable in design, convenient operation, in-process using, through the setting of telescopic link and push rod to made things convenient for to expand this device, and then made things convenient for under other people's help, make the handicapped person, on sitting this device from the bed, make things convenient for the handicapped person to remove.

Description

Foldable wheelchair

Technical Field

The utility model relates to a wheelchair field especially relates to a folding wheelchair.

Background

Wheelchairs are chairs equipped with wheels to help replace walking and are classified into electric and manual folding wheelchairs. The wheelchair not only meets the requirements of physical disabilities and mobility-handicapped people 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 do physical exercises and participate in social activities by means of the wheelchair. However, the existing wheelchairs are fixed and cannot be spread flatly, so that a person who is inconvenient to move can not move to the wheelchair from a bed with the help of other people, and the wheelchair is inconvenient to use by people.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a foldable wheelchair.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a folding wheelchair, includes the support frame, the bottom of support frame is fixed with two telescopic cylinder, two front wheels are installed to the bottom of support frame one side, the telescopic link has been placed in the telescopic cylinder to install spacing part between telescopic link and the telescopic cylinder, the one end of telescopic link extends away from in the telescopic cylinder, the top of telescopic link is fixed with the montant, one side of montant upper end is rotated and is installed the rear wheel, the top fixed mounting of support frame has the bedplate, one side of bedplate is rotated and is installed the backup plate to install the fixed part between backup plate and the bedplate, the opposite side of backup plate is rotated and is installed two push rods, the lower extreme of push rod is rotated with the top of telescopic link one end and is connected to the push rod is the slope setting.

Preferably, the limiting part comprises a through groove formed in one side of the telescopic cylinder, a limiting block is fixed to one side of the telescopic cylinder, and the limiting block is located in the through groove.

Preferably, the fixing part comprises a slide bar fixed on one side of the backup plate and a positioning hole on one side of the seat plate, a retaining ring is fixed at one end of the slide bar, a support bar is sleeved on the slide bar, a spring is sleeved on the slide bar between the support bar and the retaining ring, a positioning block is fixed on one side of the other end of the support bar, and the positioning block is positioned in the positioning hole.

Preferably, a fixing shaft is fixed on one side of the backup plate and one side of the seat plate, a baffle is fixed at one end of the fixing shaft, a blocking rod is sleeved on the fixing shaft, and one ends of the two blocking rods are rotatably connected with each other.

Preferably, one side of the rear wheel is equal to a fixed rod fixedly connected with the rear wheel, an operation ring is fixed at one end of the fixed rod, and the diameter of the operation ring is smaller than that of the rear wheel.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, fix the bottom at the support frame with a flexible section of thick bamboo, make the telescopic link carry out the removal of making a round trip in a flexible section of thick bamboo, cooperation through rear wheel and front wheel, thereby made things convenient for this device to carry out the removal of making a round trip, cooperation through bedplate and backup plate, made things convenient for the handicapped person to take, because backup plate and bedplate rotate to be connected, when the backup plate puts down the tiling, conveniently under other people's help, embrace the bedplate with the handicapped person from the bed on the bedplate, perhaps embrace the bed from the bedplate, at the in-process of putting down the backup plate, make the push rod promote the telescopic link and remove, make the distance between rear wheel and the front wheel enlarge, and then make this device more stable, prevented that the backup plate from putting down the back, this device focus, and then this device of use is topples over. This device reasonable in design, convenient operation, in-process using, through the setting of telescopic link and push rod to made things convenient for to expand this device, and then made things convenient for under other people's help, make the handicapped person, on sitting this device from the bed, make things convenient for the handicapped person to remove.

Drawings

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

FIG. 2 is a schematic view of the seat plate and the backup plate of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention;

fig. 4 is a back structure diagram of the present invention;

fig. 5 is an enlarged schematic structural diagram of the position B in fig. 4 according to the present invention.

In the figure: the seat plate comprises a seat plate 1, a support frame 2, a telescopic cylinder 3, a front wheel 4, a rear wheel 5, a fixed rod 6, an operation ring 7, a baffle 8, a positioning hole 9, a support rod 10, a backup plate 11, a push rod 12, a baffle 13, a fixed shaft 14, a slide rod 15, a baffle ring 16, a spring 17, a telescopic rod 18, a vertical rod 19, a through groove 20, a limiting block 21 and a positioning block 22.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

A folding wheelchair as shown in fig. 1-5, including support frame 2, the bottom of support frame 2 is fixed with two telescopic tube 3, two front wheels 4 are installed to the bottom of support frame 2 one side, telescopic link 18 has been placed in telescopic tube 3, and install spacing block between telescopic link 18 and the telescopic tube 3, spacing block is including seting up at the logical groove 20 of telescopic tube 3 one side, one side of telescopic link 18 is fixed with stopper 21, and stopper 21 is located logical groove 20, the one end of telescopic link 18 extends away from telescopic tube 3 in, the top of telescopic link 18 is fixed with montant 19, one side of montant 19 upper end is rotated and is installed rear wheel 5, one side of rear wheel 5 equals fixedly connected with dead lever 6, the one end of dead lever 6 is fixed with operation circle 7, and the diameter of operation circle 7 is less than the diameter of rear wheel 5.

The implementation mode is specifically as follows: fix telescopic cylinder 3 in the bottom of support frame 2, make telescopic link 18 carry out the removal of making a round trip in telescopic cylinder 3, the one end of telescopic link 18 extends away from telescopic cylinder 3 and is used for installing montant 19, montant 19 set up and made things convenient for rear wheel 5 to install, cooperation through rear wheel 5 and front wheel 4, thereby made things convenient for this device to carry out the removal of making a round trip, user operation circle 7 can drive rear wheel 5 and rotate, under the cooperation of leading to groove 20 and stopper 21, thereby made things convenient for to carry on spacingly to telescopic link 18, telescopic link 18 has been prevented at the in-process that removes, drop in telescopic cylinder 3, simultaneously because the side of telescopic link 18 and telescopic cylinder 3's inner wall contact, and then make telescopic link 18 can not take place to rock at the in-process that removes, make this device more stable at the in-process that uses.

A seat plate 1 is fixedly arranged above the support frame 2, a backup plate 11 is rotatably arranged on one side of the seat plate 1, a fixing part is arranged between the backup plate 11 and the seat plate 1 and comprises a slide rod 15 fixed on one side of the backup plate 11 and a positioning hole 9 on one side of the seat plate 1, a baffle ring 16 is fixed at one end of the slide rod 15, a support rod 10 is sleeved on the slide rod 15, a spring 17 is sleeved on the slide rod 15 between the support rod 10 and the baffle ring 16, a positioning block 22 is fixed on one side of the other end of the support rod 10, the positioning block 22 is positioned in the positioning hole 9, two push rods 12 are rotatably arranged on the other side of the backup plate 11, the lower ends of the push rods 12 are rotatably connected with the upper part of one end of a telescopic rod 18, the push rods 12 are obliquely arranged, a fixing shaft 14 is fixed on one side of the backup plate 11 and one side of the seat plate 1, a baffle 13 is fixed at one end of the fixing shaft 14, and a baffle rod 8 is sleeved on the fixing shaft 14, one ends of the two shift levers 8 are rotatably connected with each other.

The implementation mode is specifically as follows: through the cooperation of the seat board 1 and the backup board 11, the people with mobility disabilities can conveniently take the chair, because the backup board 11 is rotatably connected with the seat board 1, when the backup board 11 is put down and laid flat, the people with mobility disabilities can conveniently hold the seat board 1 from the bed or hold the seat board 1 to the bed with the help of other people, the arrangement of the sliding rod 15 and the baffle ring 16 facilitates the installation of the supporting rod 10, under the action force of the spring 17, the supporting rod 10 is pushed to move, the positioning block 22 at one end of the supporting rod 10 enters the positioning hole 9, the purpose of fixing the backup board 11 is further achieved, the backup board 11 is prevented from toppling over, meanwhile, in the using process, the baffle rod 8 is matched, the user is prevented from toppling over, in the process of putting down the backup board 11, the push rod 12 pushes the telescopic rod 18 to move, the distance between the rear wheel 5 and the front wheel 4 is enlarged, therefore, the device is more stable, and the phenomenon that the gravity center of the device is unstable after the backup plate 11 is put down, so that the device topples over in the using process is avoided.

The utility model discloses the theory of operation:

fix telescopic cylinder 3 in the bottom of support frame 2, make telescopic link 18 carry out the removal of making a round trip in telescopic cylinder 3, cooperation through rear wheel 5 and front wheel 4, thereby made things convenient for this device to carry out the removal of making a round trip, cooperation through bedplate 1 and backup plate 11, made things convenient for the handicapped person to take, because backup plate 11 rotates with bedplate 1 and is connected, when backup plate 11 puts down the tiling, the convenience is under other people's help, embrace the handicapped person from the bed on bedplate 1, or embrace the bed from bedplate 1, at the in-process of putting down backup plate 11, make push rod 12 promote telescopic link 18 to move, make the distance between rear wheel 5 and the front wheel 4 enlarge, and then make this device more stable, prevented that backup plate 11 from putting down the back, this device focus is unstable, and then this device is emptyd in the use.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a foldable wheelchair, includes support frame (2), its characterized in that, the bottom of support frame (2) is fixed with two telescopic cylinder (3), two front wheels (4) are installed to the bottom of support frame (2) one side, telescopic link (18) have been placed in telescopic cylinder (3) to install spacing part between telescopic link (18) and telescopic cylinder (3), the one end of telescopic link (18) extends away from telescopic cylinder (3) in, the top of telescopic link (18) is fixed with montant (19), rear wheel (5) are installed in one side rotation of montant (19) upper end, the top fixed mounting of support frame (2) has bedplate (1), backup plate (11) is installed in one side rotation of bedplate (1) to install fixed part between backup plate (11) and bedplate (1), two push rods (12) are installed in the opposite side rotation of backup plate (11), the lower end of the push rod (12) is rotatably connected with the upper part of one end of the telescopic rod (18), and the push rod (12) is obliquely arranged.

2. The collapsible wheelchair as claimed in claim 1, characterised in that the limiting means comprise a through slot (20) provided on one side of the telescopic tube (3), a limiting block (21) is fixed on one side of the telescopic tube (18), and the limiting block (21) is located in the through slot (20).

3. The foldable wheelchair as claimed in claim 1, wherein the fixing means comprises a slide rod (15) fixed on one side of the backrest plate (11) and a positioning hole (9) fixed on one side of the seat plate (1), a stop ring (16) is fixed on one end of the slide rod (15), a support rod (10) is sleeved on the slide rod (15), a spring (17) is sleeved on the slide rod (15) between the support rod (10) and the stop ring (16), a positioning block (22) is fixed on one side of the other end of the support rod (10), and the positioning block (22) is located in the positioning hole (9).

4. The foldable wheelchair as claimed in claim 1, wherein a fixed shaft (14) is fixed on one side of the backrest plate (11) and one side of the seat plate (1), a baffle (13) is fixed on one end of the fixed shaft (14), a stop lever (8) is sleeved on the fixed shaft (14), and one ends of the two stop levers (8) are rotatably connected with each other.

5. A collapsible wheelchair in accordance with claim 1, characterised in that the rear wheel (5) is on one side equal to a fixed rod (6) to which a handling ring (7) is fixed at one end of the fixed rod (6), and that the diameter of the handling ring (7) is smaller than the diameter of the rear wheel (5).