CN214822453U

CN214822453U - Multi-connecting-rod suspension structure for kart chassis

Info

Publication number: CN214822453U
Application number: CN202120722499.2U
Authority: CN
Inventors: 李超; 王程
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-04
Filing date: 2021-04-09
Publication date: 2021-11-23
Anticipated expiration: 2031-04-09

Abstract

The utility model discloses a many connecting rods of kart chassis suspension, including automobile body, long connecting rod and short connecting rod, automobile body one end downside central symmetry is provided with short connecting rod, automobile body both sides side lower part symmetry is provided with long connecting rod, long connecting rod upside is provided with the bumper shock absorber, the articulated right rear axle of short connecting rod lower extreme downside, the automobile body is kept away from rear axle one end downside is provided with down the rocking arm, the rocking arm upside is provided with the rocking arm down, it is provided with the locomotive and is responsible for to go up the symmetry between the rocking arm, central point puts and is provided with the handlebar between the locomotive is responsible for. The arrangement of the upper rocker arm, the lower rocker arm, the protection bar and the vehicle head main pipe enables the upper rocker arm to be suspended in front of the chassis of the kart to keep a symmetrical structure, the lower rocker arm is respectively provided with a cross arm perpendicular to the vehicle head main pipe, the axis of the cross arm is intersected with the axis of a goat's horn, the other arm is provided with an inclined arm inclined to the vehicle head main pipe, the shock resistance of the rocker arm in front of the vehicle head main pipe is enhanced, and bending or fracture is avoided.

Description

Multi-connecting-rod suspension structure for kart chassis

Technical Field

The utility model belongs to cross-country kart chassis hangs the field, and specifically speaking relates to a many connecting rods of kart chassis suspension structure.

Background

Carting car is the translation of KARTING in English, meaning miniature sports car, and carting car sports began to appear in east Europe in 1940, and popularized and developed rapidly in Europe and America until the end of the 50 s of the 20 th century. The structure of the kart is extremely simple, one frame, one two-stroke engine and four independent wheels form the whole kart. It is fast spread to the world because of its easy driving, safety and stimulation characteristics. The chassis of the cross-country kart has an important function, and the safe and stable operation of the kart can be ensured.

The existing front suspension of the cross-country carting car adopts symmetrical double-A-arm independent suspension, the rear axle adopts a hard-connected straight axle and only has one damping freedom degree, so that the car can be turned easily when one wheel is suspended in the air when the car is driven under the cross axle road condition or the similar gun crater road condition, and the front suspension upper and lower rocker arms are made into a symmetrical structure and bend or break due to insufficient rigidity relative to the impact force right ahead.

In view of this, the present invention is provided.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in overcoming prior art's not enough, provides a many connecting rods of kart chassis suspended structure, for solving above-mentioned technical problem, the utility model discloses a technical scheme's basic design is:

the utility model provides a many connecting rods of kart chassis suspended structure, includes automobile body, long connecting rod and short connecting rod, automobile body one end downside central symmetry is provided with short connecting rod, automobile body both sides side lower part symmetry is provided with long connecting rod, long connecting rod upside is provided with the bumper shock absorber, the articulated right rear axle of short connecting rod lower extreme downside, the automobile body is kept away from rear axle one end downside is provided with down the rocking arm, the rocking arm upside is provided with the rocking arm down, it is provided with the locomotive person in charge to go up the symmetry between the rocking arm, the locomotive is responsible for between the central point and is provided with the handlebar, the automobile body is kept away from rear axle one end is provided with the protection thick stick.

The rear axle both ends with lower rocking arm lower extreme is provided with the wheel, the wheel with the rear axle and lower rocking arm downside passes through the bearing and connects, short connecting rod upper end with the automobile body is articulated.

The upper end and the lower end of the long connecting rod are respectively connected with the vehicle body and the rear axle, the upper end of the shock absorber is hinged with the vehicle body, and the lower end of the shock absorber is hinged with the long connecting rod.

The protection bar with the automobile body welding, go up the rocking arm lower extreme with the wheel is articulated, go up the rocking arm upper end with the locomotive is responsible for articulatedly.

The lower end of the lower rocker arm is hinged to the wheel, the upper end of the lower rocker arm is hinged to the vehicle body, and the handlebar is rotatably connected to the vehicle body.

And the shock absorber is arranged between the branches of the upper rocker arm.

After the technical scheme is adopted, compared with the prior art, the utility model following beneficial effect has.

1. The arrangement of the upper rocker arm, the lower rocker arm, the protective bar and the main pipe of the vehicle head enables the upper rocker arm suspended in front of the chassis of the kart to keep a symmetrical structure, the lower rocker arms respectively adopt a cross arm vertical to the main pipe of the vehicle head, the axle center of the cross arm is intersected with the axle center of a goat's horn, and the other one adopts an inclined arm inclined to the main pipe of the vehicle head, so that the shock resistance of the rocker arms aligned to the front is enhanced, and the bending or the fracture is avoided;

2. long connecting rod, the setting of short connecting rod and bumper shock absorber, make to hang behind the kart chassis and adopt four connecting rods to connect automobile body and whole axle, wherein long connecting rod is just "eight" word connection, two other short connecting rods adopt to fall "eight" word connection, form the skew phenomenon about two equilateral trapezoid structure control rear axles of a positive one, the bumper shock absorber carries out compression work, make one side wheel meet the obstacle and can adjust the rear axle angle, let four wheels obtain bigger frictional force with ground contact simultaneously, avoid the kart to turn on one's side.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic bottom view of the present invention.

In the figure: 1-protective bar; 2-upper rocker arm; 3-vehicle wheels; 4-a handlebar; 5-a headstock main pipe; 6-vehicle body; 7-a shock absorber; 8-long connecting rod; 9-rear axle; 10-short link; 11-lower rocker arm.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.

Example one

As shown in fig. 1-2, a kart chassis multi-link suspension structure, including automobile body 6, long connecting rod 8 and short connecting

rod

10, 6 one end downside centrosymmetric of automobile body is provided with

short connecting rod

10, 6 both sides side lower part symmetry of automobile body is provided with long connecting rod 8, 8 upsides of long connecting rod are provided with bumper shock absorber 7, the articulated right rear axle 9 of short connecting rod 10 lower extreme downside, 9 one end downside of rear axle is kept away from to automobile body 6 is provided with

lower rocker

11, 11 upsides of lower rocker are provided with upper rocker 2, the symmetry is provided with the locomotive and is responsible for 5 between the upper rocker 2, the central point puts and is provided with handlebar 4 between the locomotive is responsible for 5, 9 one end of rear axle is kept away from to automobile body 6 is provided with protection thick stick 1.

In the embodiment, the upper rocker arm 2, the lower rocker arm 11, the protective bar 1 and the head main pipe 5 are arranged, so that the upper rocker arm 2 is hung in the front of the kart chassis to keep a symmetrical structure, the lower rocker arm 11 respectively adopts a cross arm which is vertical to the head main pipe 5, the axle center of the cross arm is intersected with the axle center of a goat's horn, the other one adopts an inclined arm which is inclined to the head main pipe 5, so that the shock resistance of the rocker arm which is aligned to the front is enhanced, the bending or the fracture is avoided, the long connecting rod 8, the short connecting rod 10 and the shock absorber 7 are arranged, so that the rear suspension of the kart chassis adopts four connecting rods to connect a car body 6 and an integral axle, wherein the long connecting rod 8 is in a positive splayed connection, the other two short connecting rods 10 adopt an inverse splayed connection, a positive and inverse two equilateral trapezoid structures are formed to control the left and right deviation phenomenon of the rear axle 9, the shock absorber 7 performs compression work, so that the angle of the rear axle 9 can be adjusted when one side wheel 3 meets obstacles, the four wheels 3 are simultaneously contacted with the ground to obtain larger friction force, so that the carting car is prevented from side turning.

As shown in fig. 1-2, wheels 3 are arranged at two ends of a rear axle 9 and at the lower end of a lower rocker 11, the wheels 3 are connected with the rear axle 9 and the lower side of the lower rocker 11 through bearings, the upper end of a short connecting rod 10 is hinged with a vehicle body 6, the upper end and the lower end of a long connecting rod 8 are respectively connected with the vehicle body 6 and the rear axle 9, the upper end of a shock absorber 7 is hinged with the vehicle body 6, and the lower end of the shock absorber 7 is hinged with the long connecting rod 8.

As shown in fig. 1-2, the long connecting rod 8, the short connecting rod 10 and the shock absorber 7 can make the present invention obtain a preferred embodiment: kart is at the in-process that traveles, long connecting rod 8 and short connecting rod 10 can be so that 9 angles of rear axle obtain nimble regulation, guarantee that wheel 3 can contact ground, guarantee the frictional force of wheel 3, make kart chassis hang behind the adoption four connecting rods and connect automobile body 6 and whole axle, wherein long connecting rod 8 is just "eight" word connection, two other short connecting rods 10 adopt the connection of falling "eight" word, form the skew phenomenon about two equilateral trapezoid structure control rear axle 9 of one-side and one-side, bumper shock absorber 7 carries out compression work, make one side wheel 3 meet the obstacle and can adjust rear axle 9 angles, let four wheels 3 obtain bigger frictional force with ground contact simultaneously, avoid kart to turn on one's side.

In the embodiment, the protection bar 1 is welded with the vehicle body 6, the lower end of the upper rocker arm 2 is hinged with the wheels 3, the upper end of the upper rocker arm 2 is hinged with the vehicle head main pipe 5, and the protection bar 1 can protect the front end of the vehicle body 6 and prevent the vehicle body 6 from being damaged.

In this example, the lower end of the lower rocker arm 11 is hinged with the wheel 3, the upper end of the lower rocker arm 11 is hinged with the vehicle body 6, the handlebar 4 is rotatably connected with the vehicle body 6, the shock absorber 7 is arranged between the branches of the upper rocker arm 2, and the shock absorber 7 can absorb vibration energy, so that the smooth running of the automobile is ensured.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.

Claims

1. A multi-connecting-rod suspension structure of a kart chassis comprises a kart body (6), a long connecting rod (8) and a short connecting rod (10), it is characterized in that the short connecting rod (10) is arranged at the center of the lower side of one end of the vehicle body (6), the lower parts of the two sides of the car body (6) are symmetrically provided with the long connecting rods (8), the upper sides of the long connecting rods (8) are provided with the shock absorbers (7), the lower side of the lower end of the short connecting rod (10) is hinged with a right rear axle (9), the lower side of one end of the vehicle body (6) far away from the rear axle (9) is provided with a lower rocker arm (11), an upper rocker arm (2) is arranged on the upper side of the lower rocker arm (11), a headstock main pipe (5) is symmetrically arranged between the upper rocker arms (2), the bicycle is characterized in that a handlebar (4) is arranged in the center between the bicycle head main pipes (5), and a protective bar (1) is arranged at one end, far away from the rear axle (9), of the bicycle body (6).

2. The multi-connecting-rod suspension structure of the kart chassis is characterized in that wheels (3) are arranged at two ends of the rear axle (9) and at the lower end of the lower rocker arm (11), the wheels (3) are connected with the rear axle (9) and the lower side of the lower rocker arm (11) through bearings, and the upper end of the short connecting rod (10) is hinged to the kart body (6).

3. The multi-link suspension structure of the kart chassis according to claim 2, wherein the upper end and the lower end of the long link (8) are respectively connected with the car body (6) and the rear axle (9), the upper end of the shock absorber (7) is hinged with the car body (6), and the lower end of the shock absorber (7) is hinged with the long link (8).

4. The multi-connecting-rod suspension structure of the kart chassis according to claim 3, wherein the protection bar (1) is welded to the kart body (6), the lower end of the upper rocker arm (2) is hinged to the wheel (3), and the upper end of the upper rocker arm (2) is hinged to the main pipe (5) of the kart head.

5. The multi-link suspension structure of the kart chassis according to claim 4, wherein the lower end of the lower rocker arm (11) is hinged to the wheel (3), the upper end of the lower rocker arm (11) is hinged to the car body (6), and the handlebar (4) is rotatably connected to the car body (6).

6. The multi-link suspension structure of the chassis of the kart as claimed in claim 5, wherein the shock absorber (7) is arranged between the branches of the upper rocker arm (2).