CN210852405U

CN210852405U - Auxiliary walking device for tire burst of electric vehicle

Info

Publication number: CN210852405U
Application number: CN201921781052.1U
Authority: CN
Inventors: 高卫丽; 何亚银; 梁智鸿
Original assignee: Shaanxi University of Technology
Current assignee: Shaanxi University of Technology
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-06-26
Anticipated expiration: 2029-10-23

Abstract

The utility model relates to an electric motor car supplementary running gear that blows out, can install on the electric motor car fender including an arc spill slide, set up two pulleys in the arc spill slide outside, drive telescopic link and arc spill slide through the rotation disc on the positioning disc and fix a position and protect electric motor car tire, replace the tire by the pulley and make the electric motor car continue to travel, give people the inconvenience that brings and effectually avoid the secondary injury that causes the tire when solving and blowing out, and this simple structure, safe and reliable, quick detachable, convenient to use.

Description

Auxiliary walking device for tire burst of electric vehicle

Technical Field

The utility model belongs to the technical field of the machine-building, a walking device is assisted in electric motor car tire burst is related to.

Background

The electric motor car is because of its low price, easy operation, advantages such as energy-concerving and environment-protective, be applied to the trip of riding instead of walk by people, and loved by everybody deeply, in recent years, along with the user constantly improves to the performance demand of electric motor car, the electric motor car is more and more heavy, walk on the road surface for a long time, easy tire burst gas leakage, in case can not ride after the tire burst gas leakage, give people and bring very big inconvenience, even if push reluctantly under the circumstances of not having gas, also can bring damage and deformation to tire and wheel hub even, cause the secondary damage for the electric motor car, increase the use cost of.

At present, a plurality of electric vehicle boosters are available in the market, and can help an electric vehicle to continue to be pushed after the tire burst, but some electric vehicle boosters are complex in structure, large in size, inconvenient to carry, insufficient in safety and reliability of design, easy to slide relative to the tire of the electric vehicle in the using process, and incapable of effectively pushing the electric vehicle to normally run. The electric vehicle tire burst auxiliary traveling mechanism disclosed in the Chinese patent 200820110654.X has the advantages that the adopted mechanism is simple in structure, small in size and low in cost, the cart can move forward, but no positioning mechanism is arranged, so that the electric vehicle is easily separated in the pushing process, and the using effect is influenced. The support frame is used for protecting the broken tires of the electric vehicle disclosed in the Chinese patent 201611152714.X, the adopted mechanism can effectively protect the broken tires and reduce the use cost, but the mechanism has larger volume and is not easy to carry.

Therefore, the auxiliary walking device for the tire burst of the electric vehicle is designed, is installed on a tire fender, can be detached at any time, solves the inconvenience brought to people during the tire burst and effectively avoids secondary damage to the tire, and has the advantages of simple structure, lower cost, convenience in use and the like.

Disclosure of Invention

The technical scheme adopted by the auxiliary walking device for the tire burst of the electric vehicle is as follows:

comprises a positioning disc, a rotating disc, an arc concave sliding plate, a slideway, a countersunk head pin, a telescopic rod, a pulley and a pulley shaft.

The slide is placed on the fender, is located the rear side of electric motor car pole, is equipped with a concave groove on the slide inboard and is used for cooperating with the fixed steel ring on the electric motor car fender, and the slide both ends set up two holes, place the countersunk pin, are used for fixing on the fender, and the inboard of arc spill slide is fluted to block on the slide, and the outside of arc spill slide is connected with two pulleys through the loose pulley shaft.

The telescopic rod consists of a sliding rod, a spring, a first sliding barrel, a second sliding barrel and a bolt, wherein the first sliding barrel and the second sliding barrel are fixedly connected through the bolt; four groups of telescopic rods are respectively and fixedly supported on two sides of the arc concave sliding plate, and two groups of telescopic rods are arranged on each side at a fixed angle.

The positioning disc is provided with a groove, the rotating disc is placed in the groove of the positioning disc through an axle, four holes are circumferentially distributed in the positioning disc, the two positioning holes on the left side are used for limiting the position of the positioning disc on a rod of an electric vehicle through bolts, the two limiting holes on the right side are used for connecting the positions of the positioning arc concave sliding plates on wheels through pins, a pair of arc concave sliding plates in the limiting holes on the right side are limited at the initial position of the wheels, and a pair of arc concave sliding plates in the limiting holes on the right side are limited at the working position of the wheels.

The utility model has the advantages that: the utility model provides an electric motor car supplementary running gear that blows out, changes telescopic link and arc spill slide position through the last rotation disc of location disc and fixes a position and protect the electric motor car tire, replaces the tire by the pulley to make the electric motor car continue to travel, gives the inconvenience that people brought and effectually avoids the secondary damage that causes the tire when solving and blowing out to this simple structure, safe and reliable, quick detachable, convenient to use.

Drawings

Fig. 1 is a general structural view of the present invention.

Fig. 2 is a bottom view of the structure of the present invention.

Fig. 3 is a sectional view taken in the direction of a-a in fig. 2.

Fig. 4 is a sectional view taken in the direction B-B in fig. 2.

Fig. 5 is a partially enlarged view of C in fig. 4.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments:

referring to fig. 1, 2 and 3, the auxiliary walking device for tire burst of the electric vehicle comprises a positioning disc 2, a rotating disc 12, an arc concave sliding plate 9, a slideway 10, a sunk pin 13, an expansion link 8, a pulley 6 and a pulley shaft 7, wherein the expansion link 8 and the arc concave sliding plate 9 are driven by the rotating disc 12 on the positioning disc 2 to position and protect the tire of the electric vehicle, and the pulley 6 replaces the tire to enable the electric vehicle to continuously run.

The slide 10 is placed on the fender 5 and is located at the rear side of the electric vehicle rod 4, a concave groove is formed in the inner side of the slide 10 and used for being matched with a fixed steel ring 11 on the electric vehicle fender 5, two holes are formed in two ends of the slide 10 and used for placing countersunk pins 13 and being fixed on the fender 5, a groove is formed in the inner side of the arc concave sliding plate 9 and clamped on the slide 10, and the outer side of the arc concave sliding plate 9 is connected with two pulleys 6 through a pulley shaft 7.

Referring to fig. 3, 4 and 5, the telescopic rod 8 is composed of a slide bar 8-1, a spring 8-2, the sliding cylinder I8-3, the sliding cylinder II 8-4 and the bolt 8-5 are fixedly connected, the sliding cylinder I8-3 and the sliding cylinder II 8-4 are fixedly connected through the bolt 8-5, a groove is formed in one end of the sliding cylinder I8-3 and is matched with a groove on the sliding cylinder II 8-4, one end of the sliding rod 8-1 is T-shaped and clamped in the groove of the sliding cylinder I8-3 and the sliding cylinder II 8-4, the other end of the sliding cylinder I8-3 is fixedly connected to the rotating disc 12, the other end of the sliding cylinder I8-3 is fixedly connected to the arc concave sliding plate 9, the spring 8-2 is positioned between the sliding rod 8-1 and the sliding cylinder I8-3 and is placed in the groove of the sliding cylinder I8-3 and the sliding cylinder II 8-4, and the two ends of the sliding cylinder I8-1 and the sliding cylinder I8-; four groups of telescopic rods 8 are respectively and fixedly supported on two sides of the arc concave sliding plate 9, and two groups of telescopic rods are arranged on each side at a fixed angle.

The positioning disc 2 is provided with a groove, the rotating disc 12 is placed in the groove of the positioning disc 2 through the axle 3, four holes are distributed on the circumference of the positioning disc 2, two positioning holes 2-1 on the left side are used for limiting the position of the positioning disc 2 on the electric vehicle rod 4 through bolts, two limiting holes on the right side are used for connecting the positions of the positioning arc concave sliding plates 9 on the wheels 1 through pins, the arc concave sliding plates 9 are limited at the initial positions of the wheels 1 through the limiting holes one 2-2 on the right side, and the arc concave sliding plates 9 are limited at the working positions of the wheels 1 through the limiting holes two 2-3 on the right side.

The working process is as follows:

when the device is installed, the groove of the slide way 10 is clamped on the protruding fixing steel ring 11 on the electric vehicle mudguard 5, and then the two countersunk pins 13 are inserted into the two holes of the slide way 10 to position and lock the slide way 10; the positioning disc 2 penetrates through the axle 3 in a bilateral symmetry mode and is positioned through the positioning hole 2-1, and the bolt is connected to the electric vehicle; two pulleys 6 are fixed on the arc concave sliding plate 9 through a pulley shaft 7, the inner side surface of the arc concave sliding plate 9 is matched with the two side surfaces of the slide way 10, the arc concave sliding plate 9 is placed on the slide way 10, four groups of telescopic rods 8 are fixed at the two ends of the arc concave sliding plate 9, and two groups of fixed directions are arranged at each side; the rotary disc 12 is placed on the positioning disc 2 through the axle 3 in bilateral symmetry, inserted between the slide bars 8-1 of the two adjacent sets of telescopic rods 8 positioned on the arc concave sliding plates 9 through pins and penetrates into the limiting holes 2-2 on the positioning disc 2 to limit the device, at the moment, the springs 8-2 in the telescopic rods 8 are in a compressed state, and the telescopic rods 8 are in an extended state.

When the device is used, pins between adjacent slide bars 8-1 on the left side and the right side of the arc concave slide plate 9 are pulled out, the arc concave slide plate 9 is manually slid under a wheel 1 of an electric vehicle through a slide way 10, the wheel 1 is clamped into a clamping groove on the inner side of the arc concave slide plate 9, the left-right shaking of the wheel 1 is limited, telescopic rods 8 on the two sides of the arc concave slide plate 9 also play a role in left-right limiting, the pins are inserted between the adjacent slide bars 8-1 on the left side and the right side of the arc concave slide plate 9 and penetrate into limiting holes two 2-3 on the positioning disc 2, the limiting of the device in a working state is realized, at the moment, springs 8-2 in the telescopic rods 8 are in a stretching state, and the telescopic rods 8 are in a.

When the electric vehicle tire burst auxiliary walking device is not needed to work, the pin on the positioning disc 2 is pulled down, the device is manually returned to the initial state, the pin is inserted between two adjacent slide bars 8-1 at the left side and the right side of the arc concave sliding plate 9 and penetrates into the limiting holes 2-2 on the positioning disc 2, and the work is finished.

Claims

1. An electric vehicle tire burst auxiliary walking device is characterized by comprising a positioning disc (2), a rotating disc (12), an arc concave sliding plate (9), a slideway (10), a countersunk head pin (13), a telescopic rod (8), a pulley (6) and a pulley shaft (7);

slide (10) are placed on fender (5), are located the rear side of electric motor car pole (4), be equipped with a concave groove on slide (10) inboard be used for with fixed steel ring (11) on electric motor car fender (5), slide (10) both ends set up two holes, place countersunk pin (13), be used for fixing on fender (5), the inboard of arc spill slide (9) is fluted to be blocked on slide (10), the outside of arc spill slide (9) is connected with two pulleys (6) through loose pulley shaft (7).

2. The tire burst auxiliary walking device of the electric vehicle as claimed in claim 1, wherein the telescopic rod (8) is composed of a sliding rod (8-1), a spring (8-2), a first sliding cylinder (8-3), a second sliding cylinder (8-4) and a bolt (8-5), the first sliding cylinder (8-3) and the second sliding cylinder (8-4) are fixedly connected through the bolt (8-5), a groove is arranged in one end of the first sliding cylinder (8-3) and is matched with a groove on the second sliding cylinder (8-4), one end of the sliding rod (8-1) is T-shaped and is clamped in the groove of the first sliding cylinder (8-3) and the second sliding cylinder (8-4), the other end of the sliding rod is fixedly connected to the rotating disc (12), and the other end of the first sliding cylinder (8-3) is fixedly connected to the arc concave sliding plate (9), the spring (8-2) is positioned between the sliding rod (8-1) and the sliding cylinder I (8-3), is placed in the grooves of the sliding cylinder I (8-3) and the sliding cylinder II (8-4), and two ends of the spring are respectively and fixedly connected to the sliding rod (8-1) and the sliding cylinder I (8-3); four groups of telescopic rods (8) are respectively and fixedly supported at two sides of the arc concave sliding plate (9), and two groups of telescopic rods are arranged at each side and form a fixed angle.

3. The tire puncture auxiliary traveling device for electric vehicles according to claim 1, the positioning disc (2) is provided with a groove, the rotating disc (12) is placed in the groove of the positioning disc (2) through the axle (3), four holes are distributed on the circumference of the positioning disc (2), two positioning holes (2-1) on the left side are used for limiting the position of the positioning disc (2) on the electric vehicle rod (4) through bolts, two limiting holes on the right side are used for connecting the positions of the positioning arc concave sliding plate (9) on the wheels (1) through pins, the arc concave sliding plate (9) is limited at the initial position of the wheel (1) through the first limiting hole (2-2) at the right side, the arc concave sliding plate (9) is limited at the working position of the wheel (1) through the second limiting hole (2-3) on the right side.