CN214343008U

CN214343008U - Stair climbing chair with falling-proof function

Info

Publication number: CN214343008U
Application number: CN202022516022.7U
Authority: CN
Inventors: 徐同德; 马二利
Original assignee: Zhangjiagang Herui Medical Equipment Co ltd
Current assignee: Zhangjiagang Herui Medical Equipment Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-10-08
Anticipated expiration: 2030-11-04

Abstract

The utility model discloses a stair climbing chair with prevent falling down function, it includes push-and-pull rod etc, the push-and-pull rod is fixed with the top of vertical support frame, the rear wheel links to each other with the rear wheel yoke, the rear wheel crotch, the front wheel is installed on the second mounting bracket, the centre wheel is installed on first mounting bracket, the second mounting bracket all with the bottom mounting of horizontal support frame, the handrail, the cushion is all fixed with one side of vertical support frame, the cushion is located the below of handrail, it is fixed through the bracing piece between cushion and the horizontal support frame, the footboard is located one side of horizontal support frame, the opposite side of horizontal support frame and vertical support frame's bottom mounting, be connected through the connection piece between track and the rear wheel. The utility model discloses a cooperation such as centre wheel and rear wheel forms one and supports rolling mechanism, and keep balance prevents that the wheelchair from tumbling at the in-process that gos forward, is fit for turning in the passageway that the angle is little in addition.

Description

Stair climbing chair with falling-proof function

Technical Field

The utility model relates to a stair climbing chair, in particular to a stair climbing chair with anti-falling function.

Background

At present, a plurality of wheelchairs capable of climbing stairs are available in the market, but the wheelchairs can topple over in the using process, so that the wheelchairs are not high in convenience and dangerous, and in addition, the wheelchairs are inconvenient to climb the stairs.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a stair climbing chair with fall-down prevention function.

The utility model discloses a solve above-mentioned technical problem through following technical scheme: a stair climbing chair with a falling-down prevention function is characterized by comprising a push-pull rod, a rear wheel, a front wheel, a center wheel, a handrail, a cushion, a first supporting rod, a pedal, a crawler belt, a vertical supporting frame, a backrest, a transverse supporting frame, a motor box, a first mounting frame, a second mounting frame, a rear wheel fork frame and a connecting sheet, wherein the push-pull rod is fixed to the top end of the vertical supporting frame, the rear wheel is connected with the rear wheel fork frame, the rear wheel fork frame is provided with the front wheel arranged on the second mounting frame, the center wheel is arranged on the first mounting frame, the first mounting frame and the second mounting frame are both fixed to the bottom end of the transverse supporting frame, the handrail and the cushion are both fixed to one side of the vertical supporting frame, the cushion is positioned below the handrail, the cushion is fixed to the transverse supporting frame through the first supporting rod, the pedal is positioned on one side of the transverse supporting frame, the other side of the transverse supporting frame is fixed to the bottom end of the vertical supporting frame, and the crawler belt is connected to the rear wheel through the connecting sheet, two sides of the backrest are respectively fixed with the two vertical supporting frames, and a motor in the motor box is in driving connection with the crawler.

Preferably, the rear wheel is provided with a brake pad so as to be stopped at a designated position.

Preferably, the other side of each vertical supporting frame is rotatably connected with an auxiliary push rod, the auxiliary push rod can be rotated up when in use, and the auxiliary push rod can be put down when not in use, so that the chair is convenient to use and push the stair climbing chair.

Preferably, the auxiliary push rod is provided with a first handle, the handrail is provided with a second handle, and the transverse support frame is provided with a third handle, so that the auxiliary push rod is convenient to use and carry.

Preferably, a switch box is arranged in the middle of the push-pull rod, so that the control is convenient.

Preferably, the motor is electrically connected with a battery, and the battery is installed on the transverse supporting frame through a second supporting rod, so that the battery can supply power to the motor conveniently and is convenient to install.

Preferably, the crawler belt is provided with a lock catch, and when the crawler belt is used, the lock catch is opened to put down the crawler belt; when the crawler belt is not used, the lock catch is closed, namely the crawler belt and the motor box are fixed together through the lock catch, and the use is convenient.

The utility model discloses an actively advance the effect and lie in: when the device is used on the ground, the push-pull rod is used for facilitating outsiders to push or pull the wheelchair, and the rear wheels, the front wheels and the like roll, so that the practicability and the convenience of the device can be guaranteed. The handrail is used for putting patient's arm, and the back makes things convenient for patient to lean on to go, and the cushion is used for having a rest for patient's sitting, and the footboard is used for putting patient's both feet, and the rear wheel fork is used for the installation of rear wheel, and the front wheel is the directive wheel of device, can change the device direction of advance, can improve the practicality and the convenience of device like this. The central wheel can be matched with the rear wheel and the like to form a supporting rolling mechanism, so that balance is kept, the wheelchair is prevented from tipping in the advancing process, and the wheelchair is suitable for turning in a small-angle passageway. The other side of the transverse support frame is fixed with the bottom end of the vertical support frame to form a basic frame of the stair climbing chair, so that elements are convenient to install, and the stability is improved. When the crawler belt needs to be used (for example, when going upstairs or downstairs and climbing stairs), the crawler belt is put down, and the use is convenient. A motor in the motor box is connected with the crawler belt in a driving mode, and the crawler belt is driven conveniently.

Drawings

Fig. 1 is a schematic view of a first three-dimensional structure of a stair climbing chair with an anti-falling function.

Fig. 2 is a schematic view of a second three-dimensional structure of the stair climbing chair with the falling prevention function of the present invention.

Fig. 3 is a third schematic perspective view of the first schematic perspective view of the present invention.

Detailed Description

The following provides a preferred embodiment of the present invention with reference to the accompanying drawings to explain the technical solutions of the present invention in detail.

As shown in fig. 1 to 3, the stair climbing chair with falling prevention function of the present invention comprises a push-pull rod 1, a rear wheel 2, a front wheel 3, a center wheel 4, a handrail 5, a cushion 6, a first support rod 7, a pedal 8, a crawler 9, a vertical support frame 10, a backrest 11, a transverse support frame 12, a motor box 13, a first mounting frame 14, a second mounting frame 15, a rear wheel fork frame 16, and a connecting piece 17, wherein the push-pull rod 1 is fixed to the top end of the vertical support frame 10, the rear wheel 2 is connected to the rear wheel fork frame 16, the front wheel 3 is mounted on the second mounting frame 15, the center wheel 4 is mounted on the first mounting frame 14, the first mounting frame 14 and the second mounting frame 15 are both fixed to the bottom end of the transverse support frame 12, the handrail 5 and the cushion 6 are both fixed to one side of the vertical support frame 10, the cushion 6 is located below the handrail 5, the cushion 6 is fixed to the transverse support frame 12 through the first support rod 7, the pedal 8 is located on one side of the transverse support frame 12, the other side of the transverse support frame 12 is fixed to the bottom end of the vertical support frame 10, the crawler belt 9 is connected with the rear wheel 2 through a connecting piece 17, two sides of the backrest 11 are fixed to the two vertical support frames 10 respectively, and a motor in the motor box 13 is in driving connection with the crawler belt 9.

The rear wheel 2 is provided with a brake pad 18 so as to be stopped at a prescribed position.

The other side of each vertical support frame 10 is rotatably connected with an auxiliary push rod 19, the auxiliary push rod 19 can be rotated up when in use, and the auxiliary push rod 19 can be put down when not in use, so that the use is facilitated, and the stair climbing chair is convenient to push.

The auxiliary push rod 19 is provided with a first handle 20, the handrail 5 is provided with a second handle 21, and the transverse support frame 12 is provided with a third handle 22, so that the carrying is convenient.

A switch box 23 is provided in the middle of the push-pull rod 1, which facilitates control.

The motor is electrically connected with a battery 24, and the battery 24 is arranged on the transverse support frame 12 through a second support rod 25, so that the battery 24 can supply power to the motor conveniently and is convenient to install.

The crawler belt 9 is provided with a lock catch 26, and when the crawler belt 9 is used, the lock catch 26 is opened to put down the crawler belt 9; when the crawler belt 9 is not used, the lock catches 26 are closed, namely the crawler belt 9 and the motor box 13 are fixed together through the lock catches 26, and the use is convenient.

The working principle of the utility model is as follows: the utility model discloses a push-and-pull rod 1, rear wheel 2, front wheel 3, centre wheel 4, handrail 5, cushion 6, first bracing piece 7, footboard 8, track 9, vertical support frame 10, back 11, horizontal support frame 12, motor case 13, first mounting bracket 14, second mounting bracket 15, rear wheel fork 16, connection piece 17, brake block 18, auxiliary push rod 19, first in command 20, second in command 21, third in command 22, switch box 23, battery 24, second bracing piece 25, parts such as hasp 26 are general standard or the part that technical staff in the field knows, its structure and principle all can learn through the technical manual or learn through conventional experimental method for this technical staff. When the device is used on the ground, the push-pull rod 1 is used for facilitating outsiders to push or pull the wheelchair, and the rear wheels 2, the front wheels 3 and the like roll, so that the practicability and the convenience of the device can be guaranteed. The handrail 5 is used for placing the arm of a patient, the backrest 11 is convenient for the patient to lean on, the cushion 6 is used for sitting and resting for the patient, the pedal 8 is used for placing the feet of the patient, the rear wheel fork frame 16 is used for installing the rear wheel 2, the front wheel 3 is the steering wheel of the device, the advancing direction of the device can be changed, and therefore the practicability and the convenience of the device can be improved. The central wheel 4 can be matched with the rear wheel 2 and the like to form a supporting rolling mechanism, so that balance is kept, the wheelchair is prevented from tipping in the advancing process, and the wheelchair is suitable for turning in a small-angle passageway. The other side of the horizontal support frame 12 is fixed with the bottom end of the vertical support frame 10 to form a basic frame of the stair climbing chair, which is convenient for installing elements and increases the stability. When the crawler belt 9 needs to be used (for example, when going upstairs or downstairs and climbing stairs), the crawler belt 9 is put down, so that the use is convenient. A motor in the motor case 13 is in driving connection with the crawler belt 9, and the crawler belt 9 is conveniently driven.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A stair climbing chair with a falling prevention function is characterized by comprising a push-pull rod (1), rear wheels (2), front wheels (3), a center wheel (4), a handrail (5), a cushion (6), a first support rod (7), pedals (8), a crawler belt (9), a vertical support frame (10), a backrest (11), a transverse support frame (12), a motor box (13), a first mounting frame (14), a second mounting frame (15), a rear wheel fork frame (16) and a connecting piece (17), wherein the push-pull rod (1) is fixed at the top end of the vertical support frame (10), the rear wheels (2) are connected with the rear wheel fork frame (16), the front wheels (3) are mounted on the second mounting frame (15), the center wheel (4) is mounted on the first mounting frame (14), the first mounting frame (14) and the second mounting frame (15) are both fixed at the bottom end of the transverse support frame (12), handrail (5), cushion (6) are all fixed with one side of vertical support frame (10), cushion (6) are located the below of handrail (5), it is fixed through first bracing piece (7) between cushion (6) and horizontal support frame (12), footboard (8) are located one side of horizontal support frame (12), the opposite side of horizontal support frame (12) and the bottom mounting of vertical support frame (10), be connected through connection piece (17) between track (9) and rear wheel (2), the both sides of back (11) are fixed with two vertical support frames (10) respectively, a motor and track (9) drive in motor case (13) are connected.

2. The stair climbing chair with fall prevention function according to claim 1, wherein the rear wheel (2) is provided with a brake pad (18).

3. The stair climbing chair with fall prevention function according to claim 1 wherein the other side of each vertical support frame (10) is rotatably connected with an auxiliary push rod (19).

4. The stair climbing chair with fall prevention function according to claim 3 wherein the auxiliary push rod (19) is provided with a first handle (20), the armrest (5) is provided with a second handle (21), and the lateral support frame (12) is provided with a third handle (22).

5. The stair climbing chair with fall prevention function according to claim 1 wherein a switch box (23) is provided in the middle of the push-pull rod (1).

6. The stair chair with fall prevention function according to claim 1, wherein said motor is electrically connected to a battery (24), and the battery (24) is mounted on the transversal support frame (12) through a second support bar (25).

7. The stair climbing chair with fall prevention function according to claim 1, wherein the track (9) is provided with a lock catch (26).