CN212522218U

CN212522218U - A wheelchair that can overcome obstacles

Info

Publication number: CN212522218U
Application number: CN201922100668.4U
Authority: CN
Inventors: 魏引焕; 王智兴; 桓源; 雷跃随
Original assignee: Shaanxi University of Science and Technology
Current assignee: Shaanxi University of Science and Technology
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2021-02-12
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses an obstacle-crossing wheelchair, which comprises a seat, a seat back and an armrest are installed on the seat, a push handle is installed on the seat back, a power source and at least three pairs of front and rear pairs are arranged on the bottom of the seat seat. Distributed electric push rods, the power supply is electrically connected to each electric push rod, each pair of electric push rods includes a control switch, each of the control switches is arranged on the push handle, and the telescopic extension of each electric push rod Both ends are provided with support legs, and the bottoms of the support legs are provided with rollers. The obstacle-crossing wheelchair uses multiple pairs of electric push rods to control the lifting and lowering of the support legs to achieve overcoming obstacles one by one. During the process of overcoming obstacles, the wheelchair can always maintain a stable state, with high safety performance and convenient operation. A chaperone can do it.

Description

Wheelchair capable of crossing obstacles

Technical Field

The utility model belongs to the technical field of medical auxiliary equipment, especially, relate to a can hinder formula wheelchair more.

Background

Wheelchairs have found widespread use as an important medical aid in the rehabilitation of patients. Most of wheelchairs in the market can only travel on flat ground, and the wheelchairs do not have the function of being incapable of automatically overtaking when meeting obstacles such as steps, and at the moment, a plurality of people are often required to lift the wheelchairs or cross the obstacles in a pitching mode.

When a wheelchair is lifted by a plurality of people, more manpower is needed, the operation is inconvenient, and enough hands can not be found in all time and occasions to complete the obstacle surmounting; the wheelchair can only cross a lower obstacle generally in a pitching mode, and is difficult to carry out when meeting a larger obstacle, and in addition, when the wheelchair is subjected to larger pitching, a patient is easy to slip off from the wheelchair, so that the wheelchair is difficult to control and low in safety.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but obstacle formula wheelchair of crossing solves the problem that current wheelchair exists mostly to be difficult to surmount the obstacle.

In order to solve the problem, the utility model discloses a technical scheme who adopts is, a can obstacle formula wheelchair more, include by the seat support, install the back of the chair and handrail on the seat support, install the pushing hands on the back of the chair, the bottom of seat support is provided with power and at least three electric putter that distribute around being, the power is connected with every electric putter electricity, and every all contains a control switch, every to electric putter control switch all sets up on the pushing hands, every electric putter's flexible end all is provided with the supporting leg, and the bottom of supporting leg is provided with the gyro wheel.

The technical proposal of the utility model is also characterized in that,

the electric push rods are four pairs and are distributed in the front and the back.

The rollers are universal wheels.

The power supply is a rechargeable storage battery.

The seat back is also provided with a safety belt.

The utility model has the advantages that: what is different with current wheelchair, the utility model discloses a hinder formula wheelchair more adopts and controls the supporting leg to go up and down to realize surging the barrier one by one to electric putter, and at the in-process of surging the barrier, the wheelchair can remain stable state throughout, and the security performance is high, and it is also comparatively convenient to operate, only needs an attendant just can accomplish.

Drawings

Fig. 1 is a schematic structural view of a wheelchair capable of getting over obstacles.

In the figure: 1. the chair comprises a seat, 2. armrests, 3. a chair back, 4. a pushing handle, 5. a safety belt, 6. a power supply, 7. an electric push rod, 8. supporting legs and 9. rollers.

Detailed Description

The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1, the utility model discloses a can hinder formula wheelchair more, include by seat support 1, install back of the chair 3 and handrail 2 on the seat support 1, install pushing hands 4 on the back of the chair 1, the bottom of seat support 1 is provided with power 6 and at least three pairs and is the electric putter 7 that distributes around, power 6 is connected with every electric putter 7 electricity, every electric putter 7 all contains a control switch, every control switch all sets up on pushing hands 4, every electric putter 7's flexible end all is provided with supporting leg 8, supporting leg 8's bottom is provided with gyro wheel 9.

The same with current wheelchair, the utility model discloses a can hinder formula wheelchair more equally comprises seat support 1, the back of the chair 3, pushing hands 4, a pair of handrail 2 and a plurality of supporting legs 8 of taking gyro wheel 9, and the difference is in the technical scheme of the utility model, supporting leg 8 is fixed at seat support 1's downside through electric putter 7, supporting leg 8's upper end and electric putter 7's flexible fixed connection particularly, and gyro wheel 9 is installed to supporting leg 8's lower extreme for the holistic removal of wheelchair. Additionally, be in the technical scheme of the utility model, contain many to electric putter 7 and its many to supporting leg 8 that correspond, do so in order to ensure that the wheelchair is comparatively steady when surging the obstacle, improves the security performance.

When the accompanying person pushes the wheelchair to go up a higher step, the accompanying person can firstly adjust and control the pair of electric push rods 7 at the foremost end, so that the telescopic ends of the pair of electric push rods 7 drive the corresponding pair of support legs 8 to move upwards until the support legs are higher than the surface of the step; then, the accompanying person pushes the wheelchair to move forward until the pair of supporting legs 8 at the secondary front end are close to the front edge of the step, and the pair of supporting legs 8 at the foremost end move downwards by controlling the switch until the supporting legs are tightly attached to the upper surface of the step; then, the accompanying person operates the pair of support legs 8 at the second front end and the other pair of support legs 8 in the same operation in sequence according to the pair of support legs 8 at the foremost end until the whole wheelchair goes over a step; finally, the control switches are adjusted in sequence to enable the supporting legs 8 to recover the previous height.

When an attendant pushes the wheelchair to go down a higher step, the attendant can adjust and control the pair of electric push rods 7 at the foremost end to enable the telescopic ends of the pair of electric push rods 7 to drive the corresponding pair of support legs 8 to move down until the support legs cling to the surface of the step; then, the accompanying person pushes the wheelchair to move forward until the pair of supporting legs 8 at the secondary front end are positioned above the steps; then, the accompanying person operates the pair of support legs 8 at the second front end and the other pair of support legs 8 according to the pair of support legs 8 at the foremost end, and the same operation is sequentially carried out until the whole wheelchair descends the whole step; finally, the control switches are adjusted in sequence to enable the supporting legs 8 to recover the previous height.

If the width of the obstacle is small, when the obstacle is crossed, the pair of supporting legs 8 at the foremost end can move upwards through the control switch, and the moving upwards is higher than the obstacle; then the accompanying person pushes the wheelchair to move forward until the pair of supporting legs 8 at the foremost end pass through the barrier, and the accompanying person puts down the wheelchair until the wheelchair is tightly attached to the ground by adjusting the control switch; finally, the same operation is carried out on other pairs of supporting legs 8 in sequence until the wheelchair passes over the obstacle.

Therefore, the utility model discloses an obstacle-crossing wheelchair adopts and controls the 8 lifts of supporting leg to realize surging the barrier one by one to electric putter 7 more, and at the in-process of surging the barrier, the wheelchair can remain stable state throughout, and the security performance is high, and it is also comparatively convenient to operate, only needs an attendant just can accomplish.

As shown in fig. 1, in the obstacle-surmounting wheelchair of the present invention, the electric push rods 7 are four pairs and distributed in the front-rear direction.

When the pair of support legs 8 at the forefront end pass through the obstacle by extension and retraction, the other support legs 8 can stably manufacture the wheelchair, and the safety of the wheelchair when passing is ensured.

As shown in fig. 1, in the obstacle-surmounting wheelchair of the present invention, the wheels 9 are universal wheels, and the wheelchair can be pushed in all directions.

As shown in fig. 1, in an obstacle-surmountable wheelchair of the present invention, the power source 6 is preferably a rechargeable battery.

As shown in figure 1, in the obstacle-surmounting wheelchair of the present invention, a safety belt 5 is further provided on the backrest 3, and the patient is secured by the safety belt to prevent the patient from tipping over when the patient is overtaking.

Claims

1. An obstacle-crossing wheelchair, comprising a seat (1), a seat back (3) and an armrest (2) installed on the seat (1), a push handle (4) installed on the seat back (3), It is characterized in that, the bottom of the seat (1) is provided with a power supply (6) and at least three pairs of electric push rods (7) distributed in the front and rear, and the power supply (6) is electrically connected to each electric push rod (7). connection, each pair of electric push rods (7) includes a control switch, each control switch is arranged on the push handle (4), and the telescopic end of each electric push rod (7) is provided with a support leg (8) , the bottom of the support leg (8) is provided with a roller (9).

2 . The obstacle-surpassing wheelchair according to claim 1 , wherein the electric push rods ( 7 ) are in four pairs, which are distributed forward and backward. 3 .

3. The obstacle-surpassing wheelchair according to claim 1, wherein the roller (9) is a universal wheel.

4. The obstacle-surpassing wheelchair according to claim 1, wherein the power source (6) is a rechargeable battery.

5. The obstacle-surpassing wheelchair according to claim 1, characterized in that, a safety belt (5) is further provided on the seat back (3).