CN216535821U

CN216535821U - Anti-toppling wheelchair

Info

Publication number: CN216535821U
Application number: CN202120612793.8U
Authority: CN
Inventors: 史秀秀; 黄绍春; 徐建珍; 訾媛媛; 侯效芳; 周素娟; 于灿萍; 鲍燕
Original assignee: Nanjing Brain Hospital
Current assignee: Nanjing Brain Hospital
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2022-05-17
Anticipated expiration: 2031-03-26

Abstract

The utility model discloses an anti-toppling wheelchair, which comprises a wheelchair body and an anti-toppling universal wheel mechanism, wherein the anti-toppling universal wheel mechanism is detachably connected with the wheelchair body, the anti-toppling universal wheel mechanism comprises a sleeve, a sleeve outer wall is fixedly provided with a mounting clamp, the sleeve is fixed with the wheelchair body through the mounting clamp, a supporting rod is arranged in the sleeve, a limiting block is fixed at the top end of the supporting rod, the lower end of the supporting rod penetrates through the bottom of the sleeve, a spring is arranged on the surface of the supporting rod between the limiting block and the bottom of the sleeve, a limiting rod is fixedly arranged on one side of the limiting block, a sliding hole is formed in the outer wall of the sleeve corresponding to the limiting rod, the limiting rod penetrates through the sliding hole, and the universal wheel is fixedly arranged at the bottom end of the supporting rod. The anti-toppling universal wheel mechanism is detachably fixed on the wheelchair frame of the wheelchair body, and when the anti-toppling universal wheel mechanism is used, the universal wheel fixed at the bottom of the supporting rod can be contacted with the ground by pushing and rotating the supporting rod, so that the wheelchair is prevented from tilting, and the stability of the wheelchair is improved.

Description

Anti-toppling wheelchair

Technical Field

The utility model relates to the technical field of wheelchairs, in particular to an anti-toppling wheelchair.

Background

The wheelchair is an important tool for rehabilitation, not only is the wheelchair used as a travel tool for physically disabled persons and persons with mobility disabilities, but also more importantly, the wheelchair is used for physical exercise and participating in social activities. In recent years, the proportion of old people is rising, the physical decline in the aging process is the decrease of the flexibility of the four limbs of the old people, a large number of patients with cardiovascular and cerebrovascular diseases or nervous system diseases exist in the old people, the majority of patients have hemiplegia symptoms, the large base of physical disabilities and the aging trend, and the demand of the old people and disabled people on wheelchairs is increasing.

At present, a common wheelchair generally comprises a wheelchair frame, wheels, a brake device and a seat rest, an anti-toppling device is lacked, patients with limb dysfunction after stroke are more, a plurality of patients have certain mental symptoms or cannot clearly recognize the severity of the patients, and some patients can move freely when sitting on the wheelchair clinically or the wheelchair topples over due to overlarge range of movement, so that the patients are injured. Therefore, there is a need for an anti-tipping wheelchair to meet the needs of patients with unclear brain or inconvenient limbs.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned drawbacks of the prior art, an object of the present invention is to provide an anti-tipping wheelchair, which includes a wheelchair body and an anti-tipping universal wheel mechanism detachably fixed to a wheelchair frame of the wheelchair body, and when in use, the universal wheel fixed at the bottom of a support bar can be contacted with the ground by pushing and rotating the support bar, so as to prevent the wheelchair from tipping and improve the stability of the wheelchair.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides an prevent empting wheelchair, include the wheelchair body and prevent empting universal wheel mechanism, prevent empting universal wheel mechanism and can dismantle with the wheelchair body and be connected, prevent empting universal wheel mechanism and include the sleeve, sleeve outer wall fixed mounting presss from both sides, the sleeve is fixed with the wheelchair body through the installation clamp, the inside bracing piece that is equipped with of sleeve, the stopper is fixed at the bracing piece top, the bracing piece lower extreme runs through the sleeve bottom, the bracing piece surface between stopper and the sleeve bottom is equipped with the spring, stopper one side fixed mounting gag lever post, the sleeve outer wall corresponds the gag lever post and goes out and has seted up the slide opening, the gag lever post runs through the slide opening, bracing piece bottom fixed mounting universal wheel.

Further preferably, the wheelchair body comprises a wheelchair frame, a canvas cushion is arranged between the wheelchair frames, a pedal plate is fixed on the front side of the wheelchair frame, a push-pull handle is fixedly installed on the rear side of the wheelchair frame, armrests are symmetrically and fixedly installed on the top of the wheelchair frame, rolling wheels are fixedly installed on the bottom of the wheelchair frame and comprise front wheels and rear wheels, and the anti-toppling universal wheel mechanism is symmetrically and fixedly installed on the wheelchair frame between the front wheels and the rear wheels.

Further preferably, the slide hole is J-shaped, and the universal wheel is flush with the roller of the wheelchair body when the limiting rod moves to the bottom end of the slide hole.

Further preferably, bracing piece lower extreme one side fixed mounting stiffener, the stiffener is triangle-shaped, and universal wheel fixed mounting keeps away from bracing piece one side bottom at the stiffener.

The utility model has the beneficial effects that:

the anti-toppling wheelchair comprises a wheelchair body and an anti-toppling universal wheel mechanism, wherein the anti-toppling universal wheel mechanism is detachably fixed on a wheelchair frame of the wheelchair body, and when the anti-toppling wheelchair is used, the universal wheels fixed at the bottoms of the supporting rods can be in contact with the ground by pushing and rotating the supporting rods, so that the wheelchair is prevented from tilting, and the stability of the wheelchair is improved.

Drawings

The utility model will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the anti-toppling wheelchair of the present invention;

FIG. 2 is a schematic structural diagram of the anti-toppling universal wheel mechanism of the present invention;

FIG. 3 is a cross-sectional view of the anti-toppling universal wheel mechanism of the present invention.

In the figure:

1-a wheelchair body, 2-an anti-toppling universal wheel mechanism, 3-a sleeve, 4-a mounting clamp, 5-a supporting rod, 6-a limiting block, 7-a spring, 8-a limiting rod, 9-a sliding hole, 10-a universal wheel, 11-a wheelchair frame, 12-a canvas cushion, 13-a pedal plate, 14-a push-pull handle, 15-an armrest, 16-a front wheel, 17-a rear wheel and 18-a reinforcing rod.

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.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship merely to facilitate description of the utility model and to simplify the description, and are not intended to indicate or imply that the referenced components or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be construed as limiting the utility model.

As shown in figures 1-3, an anti-toppling wheelchair comprises a wheelchair body 1 and an anti-toppling universal wheel mechanism 2, the anti-toppling universal wheel mechanism 2 is detachably connected with the wheelchair body 1, the anti-toppling universal wheel mechanism 2 comprises a sleeve 3, an outer wall of the sleeve 3 is fixedly provided with a mounting clamp 4, the sleeve 3 is fixed with the wheelchair body 1 through the mounting clamp 4, a support rod 5 is arranged inside the sleeve 3, a top end fixing limiting block 6 of the support rod 5 is arranged, the lower end of the support rod 5 penetrates through the bottom of the sleeve 3, a spring 7 is arranged on the surface of the support rod 5 between the limiting block 6 and the bottom of the sleeve 3, a limiting rod 8 is fixedly arranged on one side of the limiting block 6, a sliding hole 9 is formed in the outer wall of the sleeve 3 corresponding to the limiting rod 8, the limiting rod 8 penetrates through the sliding hole 9, and the universal wheel 10 is fixedly arranged at the bottom end of the support rod 5.

The wheelchair body 1 comprises wheelchair frames 11, canvas cushions 12 are arranged between the wheelchair frames 11, pedals 13 are fixed on the front sides of the wheelchair frames 11, push-pull handles 14 are fixedly installed on the rear sides of the wheelchair frames 11, armrests 15 are symmetrically and fixedly installed on the tops of the wheelchair frames 11, rollers are fixedly installed on the bottoms of the wheelchair frames 11 and comprise front wheels 16 and rear wheels 17, and anti-toppling universal wheel mechanisms 2 are symmetrically and fixedly installed on the wheelchair frames 11 between the front wheels 16 and the rear wheels 17.

The sliding hole 9 is J-shaped, and the universal wheel 10 is flush with the roller of the wheelchair body 1 when the limiting rod 8 moves to the bottom end of the sliding hole 9.

A reinforcing rod 18 is fixedly installed on one side of the lower end of the supporting rod 5, the reinforcing rod 18 is triangular, and the universal wheel 10 is fixedly installed at the bottom end of one side, far away from the supporting rod 5, of the reinforcing rod 18.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. An anti-toppling wheelchair comprises a wheelchair body (1) and an anti-toppling universal wheel mechanism (2), and is characterized in that the anti-toppling universal wheel mechanism (2) is detachably connected with the wheelchair body (1), the anti-toppling universal wheel mechanism (2) comprises a sleeve (3), an outer wall of the sleeve (3) is fixedly provided with a mounting clamp (4), the sleeve (3) is fixed with the wheelchair body (1) through the mounting clamp (4), a support rod (5) is arranged inside the sleeve (3), a limit block (6) is fixed at the top end of the support rod (5), the lower end of the support rod (5) penetrates through the bottom of the sleeve (3), a spring (7) is arranged on the surface of the support rod (5) between the limit block (6) and the bottom of the sleeve (3), a limit rod (8) is fixedly arranged on one side of the limit block (6), a sliding hole (9) is formed in the outer wall of the sleeve (3) corresponding to the limit rod (8), the limiting rod (8) penetrates through the sliding hole (9), and the universal wheel (10) is fixedly mounted at the bottom end of the supporting rod (5).

2. The anti-toppling wheelchair according to claim 1, wherein the wheelchair body (1) comprises wheelchair frames (11), a canvas cushion (12) is arranged between the wheelchair frames (11), a pedal (13) is fixed on the front side of the wheelchair frame (11), a push-pull handle (14) is fixedly arranged on the rear side of the wheelchair frame (11), handrails (15) are symmetrically and fixedly arranged on the top of the wheelchair frame (11), rollers are fixedly arranged on the bottom of the wheelchair frame (11), the rollers comprise front wheels (16) and rear wheels (17), and the anti-toppling universal wheel mechanism (2) is symmetrically and fixedly arranged on the wheelchair frame (11) between the front wheels (16) and the rear wheels (17).

3. The anti-toppling wheelchair as claimed in claim 1, wherein the sliding hole (9) is J-shaped, and the universal wheel (10) is flush with two rollers of the wheelchair body (1) when the limiting rod (8) moves to the bottom end of the sliding hole (9).

4. The anti-toppling wheelchair according to claim 1, characterized in that a reinforcing rod (18) is fixedly arranged on one side of the lower end of the supporting rod (5), the reinforcing rod (18) is triangular, and the universal wheel (10) is fixedly arranged at the bottom end of one side of the reinforcing rod (18) far away from the supporting rod (5).