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Electric vehicle chassis

An electric scooter and underframe technology, which is used in motor vehicles, vehicle ambulance, bicycles, etc., can solve the problems of increased activity space and uncomfortable passengers, and achieves a small turning radius, good safety, and convenience for users. Effects used within

Inactive Publication Date: 2007-04-11
CHONGQING UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the above-mentioned electric wheelchair with anti-tilt wheels can reduce the possibility of overturning front and rear, because the wheelbase of the front and rear driving wheels is short, and the anti-tilt wheels are not in contact with the ground all the time like the driving wheels, so when braking, During the acceleration process, there is a large front and rear pitching motion of the electric wheelchair, which makes the occupant extremely uncomfortable
In addition, after the anti-rolling wheel is added, when it is required to rotate in situ, the activity space occupied is also increased

Method used

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  • Electric vehicle chassis
  • Electric vehicle chassis
  • Electric vehicle chassis

Examples

Experimental program
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Embodiment 1

[0022] This example is based on the general description, mainly for the number of sliding pairs, their arrangement and their related institutional relationships. In this example, there are three pairs of sliding pairs arranged in parallel, and the telescopic drive mechanism is installed in the pair of sliding pairs in the middle (refer to Fig. 3, Fig. 4). Foot pedal 2 is fixed on the chassis at this end of walking wheel 3, and three grooves are respectively accommodated and fixed to the outer casing 72 of these three pairs of sliding pairs on this foot pedal 2. Two pairs of sliding pairs on both sides are equipped with anti-off mechanisms, or any pair of sliding pairs is equipped with anti-off mechanisms, or all three pairs of sliding pairs are equipped with anti-off mechanisms (Fig. Two pairs of sliding pairs are equipped with the structure of the anti-off mechanism). Above-mentioned pedal 2 generally can be stamped with steel plate, and the purpose of arranging groove is to...

Embodiment 2

[0030] This example is still on the basis of the general description, mainly for the number of sliding pairs, their arrangement and their related institutional relationships. In this example, the sliding pairs are a centrally arranged pair (see Figure 5). In this case, the inner and outer sleeves (71, 72) of the sliding pair are rectangular sleeves or other sleeves with a circumferential limit structure for preventing rotation. That is to say, the inner and outer sleeves can also be oval, triangular, etc. non-circular, and the circular tube can also be provided with a sliding key and its corresponding keyway to prevent rotation. On the chassis at this end of the walking wheel 3, a pedal 2 is fixed, on which there is a groove that accommodates and fixes the outer sleeve 72 of the sliding pair (the concave surface of the groove in the figure faces upwards) . Both the telescopic drive mechanism and the anti-off mechanism are installed in the pair of sliding pairs. Certainly, s...

Embodiment 3

[0032] This example is also an example based on the general description, mainly for the number of sliding pairs, their arrangement and their related institutional relationships. In this example, there are two pairs of sliding pairs arranged in parallel, and the telescopic drive mechanism is installed in the middle of these two pairs of sliding pairs (refer to FIG. 6 ). Foot pedal 2 is fixed on the underframe at walking wheel 3 this end, and there are two grooves in which the outer sleeve 72 of these two pairs of sliding pairs is accommodated and fixed respectively at the top of this pedal 2 . Two pairs of sliding pairs on both sides are all equipped with anti-off mechanisms, or any pair of sliding pairs is equipped with anti-off mechanisms (drawing in the figure is that two pairs of sliding pairs on both sides are all equipped with anti-off mechanisms). Identical with preceding two examples, should add a piece of rubber or the plastic pedal pad (not drawn among the figure) tha...

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Abstract

The present invention is chassis for electric vehicle, and the chassis has one end supported with two driving wheels and the other end supported with two walking wheels. The chassis is divided into two parts longitudinally, and these two parts are connected by means of one or several parallel sliding pairs. Between these two parts, there are one telescopic driving mechanism for altering the longitudinal distance between these two parts and one separation preventing mechanism to limit the maximum distance. The electric vehicle with the chassis may be used both outside room and inside room.

Description

technical field [0001] The invention relates to an electric scooter, in particular to a chassis structure of the electric scooter. Background technique [0002] As one of the means of transportation, electric vehicles are attracting more and more attention due to their environmental protection, simple structure and easy operation. Especially the four-wheeled or three-wheeled electric scooter with medium and short mileage, low speed, and single-person riding brings great convenience to the transportation of the elderly or disabled persons. [0003] At present, among these electric scooter products, there are mainly two types. One is an outdoor electric scooter with a longer wheelbase (generally greater than 800 mm) and a steering wheel. It is mainly used on outdoor courtyard paths, roads in the community, or on roads and sidewalks with a short driving distance, for the elderly or disabled people. Due to its long wheelbase, it is not easy to cause front and rear rollover ac...

Claims

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Application Information

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IPC IPC(8): B62D21/20B62K13/08A61G5/04
Inventor 舒红宇傍島重憲
Owner CHONGQING UNIV
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