KR20040052155A - The wheel of hurdle pass of handicapped person eletromotion cart - Google Patents

Abstract

PURPOSE: Provided are electric wheelchair's wheels exclusively for passing obstacles, improving the structure and safety of the electric wheelchair for the disabled. CONSTITUTION: The electric wheelchair's wheels exclusively for passing obstacles include rubber belts(5,11) and hydraulic pistons(9) mounted on auxiliary wheels(3) on the front and rear sides of the wheelchair. A user operates a control device(2) to drive the hydraulic piston(9) for adjusting the height of the chair(1) and for moving the auxiliary wheels(3) in the vertical direction. When the wheelchair needs to go up or down the stairway, the user simply operates the control device(2) to ensure that the wheelchair is in an upright position.

Description

The wheel of hurdle pass of handicapped person eletromotion cart}

At present, the handicapped trains for the handicapped carry a round wheel with front and rear wheels that cannot pass through stairs, sidewalk blocks, or puddles.

① The present invention has been invented to solve the above problems, by attaching a dedicated wheel for the passage of obstacles to a vehicle for the disabled and installing and operating a hydraulic piston, the auxiliary belt wheels installed on the front and rear surfaces move up and down. As shown in FIGS. 4-2, 5, 6, 7, 8, and 9, the invention enables the disabled to freely go out by driving an electric vehicle by allowing the user to pass through stairs and puddles.

② Normally, the front and rear auxiliary belt wheels operate in a folded state as shown in Figs. 1 and 2, so that the electric vehicle can be operated without inconvenience.

③ Rubber belts are installed on the front and rear wheels of the trains, so that the surface of the roads can reach the surface of the road.

④ When adjusting the direction of the front wheels, as shown in 11 in Fig. 2, secure the space where the rubber belt and the wheel touch the front wheel, and maximize the part where the wheel and the rubber belt touch when moving the wheel, so that the wheel can move smoothly. It's easy to navigate.

⑤ When an electric vehicle equipped with an obstacle passing wheel climbs and descends the stairs Figure 4-1. When operating the chair height adjustment hydraulic piston as shown in Figure 4-2, the structure of the chair height adjustment device is operated so that the chair is kept horizontal, thereby protecting the electric vehicle driver safely.

⑥ Drawing 1, 5. 5-1 and Figure 3 5. As shown in 5-1, the safety auxiliary wheels were installed to hit the angled part of the stairs when going up and down the stairs, so that the rubber belts could reach the safety auxiliary wheels when the rubber belts were extended to maintain the balance of the electric vehicle.

⑦ Drawing 1 4. As shown in Figure 3-4, the front wheels of the center belt wheel and the front and rear auxiliary belt wheels were made of wheels that could be disassembled and assembled so that the belt could be easily assembled and disassembled by bolts when replacing or replacing the belt.

Fig. 1 is a side view of a vehicle equipped with an obstacle passing wheel for a disabled electric vehicle.

Figure 2 is a front view of Figure 1

3 is a perspective view of the obstacle passing wheel of the electric vehicle for the disabled and the front and rear auxiliary belt wheel operation situation diagram

In Figure 4-1, a disabled electric vehicle equipped with an obstacle-passing wheel climbs up the stairs. When the hydraulic piston for adjusting the rear chair height of FIG. 1 is operated upward, the 12 chair height adjustment device of FIG. To move up the stairs

In Figure 4-2, a disabled electric vehicle equipped with an obstacle passing wheel descends the stairs. When the hydraulic piston for height adjustment of the front chair of FIG. 1 is operated upward, the 12 chair height adjustment device of FIG. Keep moving down the stairs

Figure 5 is a motion diagram starting from the bottom of the stairs to climb the stairs

Figure 6 is a diagram showing the operation of climbing up the stairs

Figure 7 is a motion diagram descending from the top of the stairs

Figure 8 is a view showing the motion of laying down the lower stairs

Figure 9 is a motion diagram passing through the pond

<Explanation of symbols for main parts of drawings>

1 ... chair

2 .... The controls of the front and rear belt assist wheels and the chair height adjustment device mounted on the vehicle steering wheel and the obstacle passing wheel.

3 .... Front and rear auxiliary belt wheel of obstacle passing wheel

4 .... Bolt for disassembling the wheel when installing and replacing the rubber belt on the wheel

5 .... Rubber belts on front and rear auxiliary belt wheels

5-1.Rubber Belt of the Center Belt Wheel

6 .... Safety Auxiliary Wheel of Front and Rear Auxiliary Belt Wheel

6-1.Safety Auxiliary Wheel of Center Belt Wheel

7 .... Hydraulic piston for front and rear auxiliary belt wheel operation

8 .... Connector of front and rear auxiliary wheel

8-1.Center belt hub connecting rod

9 .... Hydraulic piston for height adjustment of chair

10 ... wheels of front and rear auxiliary belt wheels

10-1.Wheel of center belt wheel

11 .... Center belt wheel of obstacle passing wheel

12 .... The structure of the chair height adjustment device

13 .... footboard

14 .... Front wheel steering (steering)

The invention will be easily understood from the accompanying drawings and the description of the technical problem to be achieved. Figure 1. As shown in Fig. 3, it is possible to operate the auxiliary rubber belt wheels installed on the front and rear of the handicapped electric vehicle by making and attaching belt wheels for the passage of obstacles of the handicapped electric vehicle that can be attached to the handicapped electric vehicle and installing the hydraulic piston system on the electric car. 4-1. As shown in Fig. 4-2, it is possible to keep the chair horizontal when the disabled electric vehicle climbs up and down the stairs, thereby safely protecting the passengers of the electric vehicle. Paragraphs 1, 2 and 3 of [Technical Problems to be Invented]. , 4, 5, 6 and 7 as configured and to operate.

As described above, people with disabilities can freely go out by using an electric vehicle equipped with an obstacle-passing wheel, and can freely enter and leave the indoor and outdoor, so that the welfare life of the disabled can be greatly helped.

Claims (3)

Fig. 1 11. As shown in 11 of Fig. 3, a belt wheel exclusively used for passing an obstacle, characterized in that the rubber belt is mounted on the front and rear wheels of a disabled electric vehicle. According to claim 1, characterized in that the rubber belt is mounted on the auxiliary wheels installed on the front and rear as shown in Figure 3 of Figure 1. 3, Figure 3 by installing a structure such as A, B, C in Figure 3 The front and rear auxiliary belt wheel of the auxiliary belt wheel, characterized in that the auxiliary belt wheel installed on the front and rear operate up and down when operating the hydraulic piston. Paragraph 1 when the electric vehicle equipped with an obstacle passing wheel climbs up and down the stairs. The chair height adjustment hydraulic piston in Fig. 2 is operated to activate the chair as shown in Fig. 12. Chair height adjustment device of Figure 2 to 12 by operating the structure of the chair height adjustment device characterized in that the chair is horizontal by operating one side of the chair up and down as shown in Figure 4-1.