CN211962403U

CN211962403U - Wheelchair pedal lifting device

Info

Publication number: CN211962403U
Application number: CN201922042264.4U
Authority: CN
Inventors: 曹云娟
Original assignee: Tianjin Tianxing Wheelchair Import & Export Co ltd
Current assignee: Tianjin Tianxing Wheelchair Import & Export Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-11-20
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses a wheelchair footboard elevating gear relates to wheelchair footboard device field, to current wheelchair footboard height-adjustable, the inconvenient problem of patient in concrete use of difference, now proposes following scheme, and it includes wheelchair, supporting wheel, the place ahead of supporting wheel is provided with two left and right support sections of thick bamboo, the wheelchair is provided with articulated seat on hand, the upper end of supporting a section of thick bamboo is provided with the hinge, the outer fixed surface of the lower extreme of supporting a section of thick bamboo is connected with the jack catch, be provided with the spout in the support section of thick bamboo, it is connected with the screw rod to rotate between the upper and lower inner wall of spout, the upper end fixedly connected with carousel of screw rod, be provided with spacing bolt on the carousel, sliding connection has the slider in the spout, two the equal swing joint in one side that the slider is close to each other has. The device has the characteristics of convenient adjustment and better suitability for body types of different patients.

Description

Wheelchair pedal lifting device

Technical Field

The utility model relates to a wheelchair footboard device field especially relates to a wheelchair footboard elevating gear.

Background

With the social progress and the improvement of the living standard of people, more and more families have purchasing power to use the medical wheelchair, and the medical wheelchair improves the independent activity of patients and improves the living quality of the patients. In addition, the front end of the wheelchair is generally provided with a pedal for disabled persons to step on, and the wheelchair is convenient for family members to support or cooperate with patients to get on and off the wheelchair, but the existing wheelchair pedals are generally fixed and not adjustable, so that different patients use the wheelchair due to different body types, particularly the length of each leg, and therefore the wheelchair is very inconvenient in the using process. Therefore, a wheelchair pedal lifting device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a wheelchair footboard elevating gear has solved current wheelchair footboard height-adjustable, the inconvenient problem of patient's in specific use of difference.

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

the utility model provides a wheelchair footboard elevating gear, includes wheelchair, supporting wheel, the place ahead of supporting wheel is provided with two left and right support section of thick bamboos, be provided with articulated seat on the handle of wheelchair, the upper end of supporting a section of thick bamboo is provided with the hinge, the outer fixed surface who supports the lower extreme of a section of thick bamboo is connected with the jack catch, be provided with the spout in the support section of thick bamboo, it is connected with the screw rod to rotate between the upper and lower inner wall of spout, the upper end fixedly connected with carousel of screw rod, be provided with spacing bolt on the carousel, sliding connection has the slider in the spout, two the equal swing joint in one side that the slider is close to each other has the running-board, the left and right both sides fixedly connected with slide of the lower surface of.

Preferably, the support cylinder is movably connected to a hinge seat on the wheelchair through a hinge fixedly connected to the upper end of the support cylinder.

Preferably, the clamping jaw is composed of two semicircular arcs, a fastening bolt is arranged between the clamping jaws, and the clamping jaws are sleeved on the outer surface of the supporting wheel.

Preferably, the upper end and the lower end of the screw rod are movably connected to the upper inner wall and the lower inner wall of the sliding groove through bearings, and the upper end of the screw rod penetrates through the upper inner wall of the sliding groove and extends to the outer side of the sliding groove.

Preferably, the extension end fixedly connected with carousel of screw rod, and the spacing bolt that the carousel upper surface set up passes the upper surface of carousel and extends in its below, and threaded connection is at the upper surface of a support section of thick bamboo.

Preferably, the sliding blocks are sleeved on the outer surface of the screw in a threaded manner, one side surfaces, close to each other, of the sliding blocks on the left side and the right side extend to the outer side of the sliding groove, and the extending ends are movably connected to the left side and the right side of the pedal plate through bearings respectively.

Preferably, the slide bar is close to one side of each other and all sliding connection in the slide, and the one end of keeping away from each other all extends in the outside of slide, and the centre gripping is in the front and back both sides of supporting wheel.

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

through the supporting cylinder, the hinged seat, the hinge, the clamping jaw, the chute, the screw rod, the rotary table, the slide block, the pedal plate, the slide way, the slide rod and the spring, the device can enable the slide block which is sleeved on the outer surface of the screw rod and is connected in the chute in a sliding way to move up and down through the rotation of the screw rod, further drive the pedal plate which is provided with movable connection between the slide blocks at two sides to move up and down, the upper end of the screw rod is fixedly connected with the rotary table, the rotary table is provided with a limit bolt which is in threaded connection with the upper surface of the supporting cylinder to limit and prevent reversion, and because the left side and the right side of the lower surface of the pedal plate are fixedly connected with the slide way which is internally connected with the slide rod in a sliding way, one end of the slide rod in the slide way is connected in the slide way in a sliding way, the spring, under the action of the spring, a certain counterforce is generated, so that the foot can be reset when being taken away. The device has the characteristics of convenient adjustment and better suitability for body types of different patients.

Drawings

Fig. 1 is a cross-sectional view of a wheelchair pedal lifting device of the present invention.

Fig. 2 is a cross-sectional view of a front view structure of a pedal of a wheelchair pedal lifting device of the present invention.

Fig. 3 is a cross-sectional view of a structure of the pedal plate of the wheelchair pedal lifting device according to the present invention.

Reference numbers in the figures: the wheelchair comprises a wheelchair body 1, a supporting wheel 2, a supporting barrel 3, a hinged seat 4, a hinge 5, a claw 6, a sliding chute 7, a screw rod 8, a rotary table 9, a sliding block 10, a pedal 11, a slideway 12, a sliding rod 13 and a spring 14.

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.

Referring to fig. 1-3, a wheelchair pedal lifting device comprises a wheelchair 1 and a supporting wheel 2, a left supporting cylinder 3 and a right supporting cylinder 3 are arranged in front of the supporting wheel 2, a hinged seat 4 is arranged on a handle of the wheelchair 1, a hinge 5 is arranged at the upper end of each supporting cylinder 3, a claw 6 is fixedly connected to the outer surface of the lower end of each supporting cylinder 3, a sliding groove 7 is arranged in each supporting cylinder 3, a screw 8 is rotatably connected between the upper inner wall and the lower inner wall of each sliding groove 7, a rotary table 9 is fixedly connected to the upper end of each screw 8, a limiting bolt is arranged on each rotary table 9, a sliding block 10 is slidably connected in each sliding groove 7, a pedal 11 is movably connected to one side, close to each other, of the two sliding blocks 10, a slide 12 is fixedly connected to the left side and the right side of.

In this embodiment, the support tube 3 is movably connected to a hinge seat 4 of the wheelchair 1 via a hinge 5 fixedly connected to the upper end thereof.

In this embodiment, the claw 6 is formed by two semicircular arcs and a fastening bolt is arranged between the two semicircular arcs, and the claw 6 is sleeved on the outer surface of the supporting wheel 2.

In this embodiment, the upper and lower ends of the screw 8 are movably connected to the upper and lower inner walls of the chute 7 through bearings, and the upper end of the screw passes through the upper inner wall of the chute 7 and extends to the outside thereof.

In this embodiment, the extension end of the screw 8 is fixedly connected with the rotary table 9, and the limit bolt arranged on the upper surface of the rotary table 9 passes through the upper surface of the rotary table 9 to extend below the rotary table 9 and is in threaded connection with the upper surface of the support cylinder 3.

In this embodiment, the sliding block 10 is sleeved on the outer surface of the screw rod 8 in a threaded manner, and the side surfaces of the sliding blocks 10 on the left and right sides, which are close to each other, extend outside the sliding groove 7, and the extending ends are movably connected to the left and right sides of the pedal 11 through bearings respectively.

In this embodiment, the sides of the sliding rods 13 close to each other are both slidably connected in the slideway 12, and the ends far away from each other are both extended outside the slideway 12 and clamped at the front and rear sides of the supporting wheel 2.

The working principle is as follows: when in use, the upper end of the supporting cylinder is movably connected on the hinged seat 4 on the wheelchair 1 through the hinge 5, the claw 6 is fastened on the supporting wheel 2 through the bolt on the claw 6, then the limit bolt can be loosened when in use and the turntable 9 is rotated to drive the screw 8 to rotate, so that the slide blocks in threaded connection are connected in the sliding groove 7 in a sliding way, because the adjacent sides of the slide blocks 10 on the left side and the right side are movably connected on the left side and the right side of the pedal plate 11 through the bearings, the pedal plate 11 can be driven to move up and down, the adjustment is convenient, and in the specific use process, because the position of the foot can be adjusted by a patient, when the foot rotates, the slide rods 13 in sliding connection in the slide ways 12 fixedly connected on the left side and the right side of the pedal plate 11 can be connected in the slide ways 12 in a sliding way, and because the springs 14 are connected between the, thus when the foot leaves the foot pedal 11, the foot pedal will return to a level condition under the action of the spring 14.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A wheelchair pedal lifting device comprises a wheelchair (1) and a supporting wheel (2), wherein a left supporting cylinder (3) and a right supporting cylinder (3) are arranged in front of the supporting wheel (2), a hinged seat (4) is arranged on a handle of the wheelchair (1), a hinge (5) is arranged at the upper end of each supporting cylinder (3), the wheelchair pedal lifting device is characterized in that a clamping jaw (6) is fixedly connected to the outer surface of the lower end of each supporting cylinder (3), a sliding groove (7) is arranged in each supporting cylinder (3), a screw rod (8) is rotatably connected between the upper inner wall and the lower inner wall of each sliding groove (7), a turntable (9) is fixedly connected to the upper end of each screw rod (8), a limiting bolt is arranged on each turntable (9), sliding blocks (10) are slidably connected in the sliding grooves (7), pedals (11) are movably connected to the sides, close to the sliding blocks (10), and a left part, Both sides fixedly connected with slide (12) on the right side, sliding connection has slide bar (13) in slide (12), be connected with spring (14) between the antetheca of slide bar (13) and slide (12).

2. A wheelchair pedal lifting device according to claim 1, characterised in that the support cylinder (3) is movably connected to a hinge seat (4) on the wheelchair (1) by means of a hinge (5) fixedly connected at its upper end.

3. The wheelchair pedal lifting device as claimed in claim 1, wherein the jaw (6) is composed of two semi-circular arcs, a fastening bolt is arranged between the two semi-circular arcs, and the jaw (6) is sleeved on the outer surface of the supporting wheel (2).

4. The wheelchair pedal lifting device as claimed in claim 1, wherein the upper and lower ends of the screw (8) are movably connected to the upper and lower inner walls of the sliding chute (7) through bearings, and the upper end of the screw passes through the upper inner wall of the sliding chute (7) and extends outside the sliding chute.

5. The wheelchair pedal lifting device as claimed in claim 1, wherein the extended end of the screw (8) is fixedly connected with a rotary table (9), and a limit bolt arranged on the upper surface of the rotary table (9) passes through the upper surface of the rotary table (9) to extend below the rotary table and is in threaded connection with the upper surface of the support cylinder (3).

6. The wheelchair pedal lifting device according to claim 1, wherein the sliding blocks (10) are sleeved on the outer surface of the screw rod (8) in a threaded manner, one side surfaces of the sliding blocks (10) at the left side and the right side, which are close to each other, extend outside the sliding groove (7), and the extending ends are movably connected to the left side and the right side of the pedal plate (11) through bearings respectively.

7. A wheelchair pedal lifting device according to claim 1, characterized in that the slide bars (13) are slidably connected in the slide (12) at their sides close to each other and at their ends remote from each other, extending outside the slide (12) and clamped to the front and rear sides of the support wheel (2).