CN212382845U

CN212382845U - Portable wheelchair

Info

Publication number: CN212382845U
Application number: CN202020138439.1U
Authority: CN
Inventors: 章海红; 其他发明人请求不公开姓名
Original assignee: Community Health Service Center Of Gucheng Street In Linhai City
Current assignee: Community Health Service Center Of Gucheng Street In Linhai City
Priority date: 2020-01-21
Filing date: 2020-01-21
Publication date: 2021-01-22
Anticipated expiration: 2030-01-21

Abstract

The utility model discloses a portable wheelchair, including a wheelchair frame, a pair of rear wheel of wheelchair frame bottom rear side installation, a pair of preceding steamboat of bottom front end installation, wheelchair frame both sides set up a pair of handrail, and the rear side sets up a pair of handheld portion, and height adjusting device fixed mounting is in wheelchair frame both sides, and a cushion is placed on the wheelchair frame, both sides and height adjusting device sliding connection, and terminal surface and cushion keep fixed connection under the back, and the up end sets up a headrest, and a pair of running-board setting keeps articulating in wheelchair frame front side bottom with the wheelchair frame. The utility model relates to a rationally, simple structure can adjust the height of cushion according to patient's type, adopts frame construction, when guaranteeing wheelchair intensity, has alleviateed the weight of wheelchair, is convenient for remove.

Description

Portable wheelchair

Technical Field

The utility model belongs to the technical field of the wheelchair, concretely relates to portable wheelchair.

Background

With the pace of life increasing and the pressure of life increasing, young people have less and less care for the elderly and disabled, and therefore more humanized tools are needed to assist the life of the elderly and disabled.

The wheelchair is one of the main tools of riding instead of walk of old age and disabled group, and it has certain advantage: the user can promote the wheel of wheelchair through self strength, and then makes the wheelchair drive oneself and go, also can accomplish to go through pushing with the help of other people to it is comparatively convenient, safe to go on the level road.

However, most wheelchairs in the market at present have single functions, the height of a user is different, and the position of a cushion of the traditional wheelchairs cannot be changed according to the height of the user, so that when a patient uses the wheelchairs, the sitting posture of the patient is not comfortable, the blood flow of thighs is not smooth, and the recovery of the patient is affected.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above disadvantages, the utility model provides a portable wheelchair with reasonable design, simple structure and adjustable cushion height.

The utility model discloses a realize like this, construct a portable wheelchair, including a wheelchair frame, a pair of rear wheel of wheelchair frame bottom rear side installation, a pair of preceding steamboat of bottom front end installation, wheelchair frame both sides set up a pair of handrail, and the rear side sets up a pair of handheld portion, and high adjusting device fixed mounting is in wheelchair frame both sides, and a cushion is placed on the wheelchair frame, both sides and high adjusting device sliding connection, and terminal surface and cushion keep fixed connection under the back, and the up end sets up a headrest, and a pair of running-board setting keeps articulating in wheelchair frame front side bottom with the wheelchair frame.

Furthermore, the rear wheel comprises a hand-push ring and an outer tire, the outer tire is rotatably connected with the wheelchair frame, the hand-push ring is fixedly connected with the outer tire, and the front small wheel is a universal wheel.

Further, height adjusting device includes a shell, a worm wheel, a gear and a rack, shell fixed mounting is in wheelchair frame side, set up a worm in the shell, the worm both ends are passed through the bearing with the shell and are rotated and be connected, set up a worm wheel in the shell, worm wheel and worm meshing, the gear keeps being connected through an axle with the worm wheel, the axle both ends are passed through the bearing with the shell and are rotated and be connected, a pair of rack of cushion both sides fixed mounting, rack and gear engagement.

Furthermore, the upper end of the worm extends out of the shell and is fixedly connected with a knob, and the circumferential surface of the knob is provided with a strip-shaped text path.

Furthermore, the rectangular groove is opened with the cushion junction to the shell, a pair of slider is set up with the shell junction in cushion side both ends, the slider includes a slide rail and a slider, slide rail fixed mounting is in the shell, slider and cushion fixed connection, and slider and slide rail keep sliding connection.

The utility model has the advantages of as follows: the utility model has reasonable design and simple structure, can adjust the height of the cushion according to the body shape of the patient, adopts the frame structure, ensures the strength of the wheelchair, reduces the weight of the wheelchair and is convenient to move; through reasonable design height adjusting device, height adjusting device includes a shell, a worm wheel, a gear and a rack, shell fixed mounting is in wheelchair frame side, set up a worm in the shell, the worm both ends are passed through the bearing with the shell and are rotated and be connected, set up a worm wheel in the shell, worm wheel and worm meshing, the gear keeps being connected through an axle with the worm wheel, the axle both ends are passed through the bearing with the shell and are rotated and be connected, a pair of rack of cushion both sides fixed mounting, rack and gear engagement drive the gear through rotatory screw rod and rotate, and the rack reciprocates along with the gear, and the cushion moves along with the rack to the adjustment cushion height.

The reasonable design worm gear mechanism, set up a worm in the shell, the worm both ends pass through the bearing rotation with the shell and are connected, set up a worm wheel in the shell, worm wheel and worm meshing, worm gear have auto-lock nature, and after the height adjustment, the cushion can not slide because of gravity factor, has guaranteed the security of wheelchair.

The wheelchair frame is of a frame structure, so that the strength of the wheelchair is ensured, the weight of the wheelchair is reduced, and the wheelchair is convenient to carry.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a top view of the present invention;

FIG. 4 is a cross-sectional view A-A of FIG. 1;

FIG. 5 is a partial enlarged view at B in FIG. 4;

fig. 6 is a cross-sectional view C-C of fig. 3.

In the figure: 1. a cushion; 2. a headrest; 3. a height adjustment device; 4. a backrest; 5. a rear wheel; 5.1, pushing the ring by hand; 5.2, covering the tyre; 6. a front small wheel; 7. a wheelchair frame; 7.1, handrails; 7.2, a handheld part; 8. a foot pedal; 9. a housing; 10. a slider; 11. a knob; 12. a worm; 13. a worm gear; 14. a gear; 15. a rack.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 6, and the technical solutions in the embodiments of the present invention will be clearly and completely described, 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.

The utility model provides a portable wheelchair through improvement, which comprises a wheelchair frame 7, wherein a pair of rear wheels 5 are arranged at the rear side of the bottom of the wheelchair frame 7, a pair of front small wheels 6 are arranged at the front end of the bottom, a pair of handrails 7.1 are arranged at two sides of the wheelchair frame 7, and a pair of hand-held parts 7.2 are arranged at the rear side; the height adjusting device 3 is fixedly arranged on two sides of the wheelchair frame 7, the cushion 1 is placed on the wheelchair frame 7, the two sides of the height adjusting device 3 are connected with the height adjusting device in a sliding mode, the lower end face of the backrest 4 is fixedly connected with the cushion 1, the upper end face of the backrest is provided with the headrest 2, and the pair of pedals 8 are arranged at the bottom end of the front side of the wheelchair frame 7 and are hinged with the wheelchair frame 7.

In this embodiment, the rear wheel 5 includes a hand-push ring 5.1 and an outer tire 5.2, the outer tire 5.1 is rotatably connected to the wheelchair frame 7, the hand-push ring 5.1 is fixedly connected to the outer tire 5.2, and the front small wheel 6 is a universal wheel.

In this embodiment, the height adjusting device includes a shell 9, a worm 12, a worm wheel 13, a gear 14 and a rack 15, shell 9 fixed mounting is in wheelchair frame 7 side, set up a worm 12 in the shell 9, worm 12 both ends are connected through the bearing rotation with shell 9, set up a worm wheel 13 in the shell 9, worm wheel 13 and worm 12 mesh, gear 14 keeps being connected through an axle with worm wheel 13, the axle both ends are connected through the bearing rotation with shell 9, a pair of rack 15 of cushion 1 both sides fixed mounting, rack 15 and gear 14 mesh.

In this embodiment, the upper end of the worm 12 extends out of the housing 9 and is fixedly connected with a knob 11, and a strip-shaped text path is processed on the circumferential surface of the knob 11.

In this embodiment, a rectangular groove 9.1 is opened at the junction of the outer shell 9 and the seat cushion 1, a pair of sliding parts 10 is arranged at the junction of the two ends of the side surface of the seat cushion 1 and the outer shell 9, each sliding part 10 comprises a sliding rail and a sliding block, the sliding rails are fixedly installed in the outer shell 9, the sliding blocks are fixedly connected with the seat cushion 1, and the sliding blocks are slidably connected with the sliding rails.

The utility model discloses when implementing, rotatory knob 11, screw rod 12 rotate, drive gear 14 and rotate, and rack 15 moves from top to bottom along with gear 14 to adjustment cushion 1 height.

Reasonable design height adjusting device, height adjusting device includes a shell, a worm wheel, a gear and a rack, shell fixed mounting is in wheelchair frame side, set up a worm in the shell, the worm both ends pass through the bearing with the shell and rotate and be connected, set up a worm wheel in the shell, worm wheel and worm meshing, the gear keeps being connected through an axle with the worm wheel, the axle both ends pass through the bearing with the shell and rotate and be connected, a pair of rack of cushion both sides fixed mounting, rack and gear engagement drive gear revolve through rotatory screw rod, and the rack reciprocates along with the gear, and the cushion moves along with the rack to adjustment cushion height.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A portable wheelchair comprising a wheelchair frame (7) characterized in that: a pair of rear wheels (5) is arranged on the rear side of the bottom of the wheelchair frame (7), a pair of front small wheels (6) is arranged at the front end of the bottom, a pair of handrails (7.1) is arranged on two sides of the wheelchair frame (7), and a pair of handheld parts (7.2) is arranged on the rear side;

the height adjusting devices (3) are fixedly arranged on two sides of the wheelchair frame (7);

the cushion (1) is placed on the wheelchair frame (7), and two sides of the cushion are in sliding connection with the height adjusting device (3);

the lower end surface of the backrest (4) is fixedly connected with the cushion (1), and the upper end surface is provided with a headrest (2);

a pair of pedals (8) which are arranged at the bottom end of the front side of the wheelchair frame (7) and are hinged with the wheelchair frame (7).

2. A portable wheelchair in accordance with claim 1, wherein: the rear wheel (5) comprises a hand-push ring (5.1) and an outer tire (5.2), the outer tire (5.1) is rotatably connected with the wheelchair frame (7), the hand-push ring (5.1) is fixedly connected with the outer tire (5.2), and the front small wheel (6) is a universal wheel.

3. A portable wheelchair in accordance with claim 1, wherein: height adjusting device includes a shell (9), a worm (12), a worm wheel (13), a gear (14) and a rack (15), shell (9) fixed mounting is in wheelchair frame (7) side, set up a worm (12) in shell (9), worm (12) both ends are connected through the bearing rotation with shell (9), set up a worm wheel (13) in shell (9), worm wheel (13) and worm (12) meshing, gear (14) keep being connected through an axle with worm wheel (13), the axle both ends are connected through the bearing rotation with shell (9), a pair of rack (15) of cushion (1) both sides fixed mounting, rack (15) and gear (14) meshing.

4. A portable wheelchair in accordance with claim 3, wherein: the upper end of the worm (12) extends out of the shell (9) and is fixedly connected with a knob (11), and a strip-shaped text path is processed on the circumferential surface of the knob (11).

5. A portable wheelchair in accordance with claim 3, wherein: the utility model discloses a cushion, including shell (9), cushion (1), slide rail and seat cushion (1), shell (9) and cushion (1) junction are opened there are rectangular channel (9.1), cushion (1) side both ends and shell (9) junction set up a pair of slider (10), slider (10) include a slide rail and a slider, slide rail fixed mounting is in shell (9), slider and cushion (1) fixed connection, and the slider keeps sliding connection with the slide rail.