Rear wheel suspension structure of drifting racing car

By incorporating an adjustable length mechanism into the rear wheel suspension structure of a drift race car, the limitations of the original vehicle's rear wheel suspension system in terms of toe and camber adjustment are resolved. This improves the vehicle's roll balance and grip during high-speed cornering, meeting the performance requirements of drift race cars.

CN223702193UActive Publication Date: 2025-12-23JIAXING LINGYU AUTO PARTS TECH CO LTD
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Patent Information

Application Number
CN202520404193.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2025-12-23
Estimated Expiration
2035-03-10

AI Technical Summary

Technical Problem

The limited toe and camber adjustment of the factory-installed rear suspension system results in insufficient grip when cornering at high speeds, making the vehicle prone to rollover and unable to meet the track requirements of drift racing cars.

Method used

Design a rear wheel suspension structure for a drift racing car. The structure is connected to the wheel via a base, and the upper control arm, toe angle tie rod, camber tie rod, and lower control arm are connected to the chassis. An adjustable length adjustment mechanism is provided to allow adjustment of the rear wheel toe angle, camber angle, and track width to ensure the vehicle's roll balance and grip during high-speed cornering.

Benefits of technology

It enables flexible adjustment of the rear wheel toe and camber angles, enhancing the vehicle's roll balance and grip during high-speed cornering, thus meeting the performance requirements of drift racing cars.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a rear wheel suspension structure of a drifting racing car, and aims to solve the problem that the requirement of a drifting racing car track cannot be met due to limitation of the beam angle, the inclination angle and the wheelbase adjustment of a rear wheel suspension of the car. The base and the connecting flange are arranged, the upper bent arm, the beam angle pull rod, the dip angle pull rod and the lower swing arm are rotationally connected to the base and used for being connected with a vehicle frame, and the upper bent arm, the beam angle pull rod, the dip angle pull rod and the lower swing arm are further provided with the adjusting mechanisms capable of adjusting the connecting lengths of the upper bent arm, the beam angle pull rod, the dip angle pull rod and the lower swing arm. A user can adjust the relative lengths of the upper bent arm, the toe angle pull rod, the inclination angle pull rod and the lower swing arm according to the requirements of the user and the conditions of the vehicle through the adjusting mechanism, then the inclination parameters of the toe angle and the inclination angle of the rear wheels of the vehicle are adjusted, and the tread between the rear wheels on the two sides can be adjusted to a certain degree. Therefore, the rolling balance and the road holding force of the vehicle can be ensured when the vehicle turns at the top speed, and the requirement of the racing drifting vehicle for the minimum top speed at the turning radius can be met.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of suspension, more specifically, to a rear wheel suspension structure of a drift racing car. BACKGROUND

[0002] The rear wheel suspension is an important connecting part of the rear wheel and the automobile frame, and the drift racing car is a vehicle that realizes the requirements of the race track through special modification of the chassis suspension system of the original vehicle. The design of the chassis suspension system of the original vehicle limits the extreme operating performance of the vehicle. The rear wheel suspension system of the original vehicle has the problem that the toe angle and the camber angle and the axle track adjustment are too small, causing the vehicle to lose the wheel grip when it is at high speed and turns, resulting in excessive vehicle inclination and easy rollover, which causes safety accidents.

[0003] Therefore, the present patent application is proposed to solve the problem that the toe angle and the camber angle and the axle track adjustment of the rear wheel suspension are limited and cannot meet the requirements of the drift racing car on the race track. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model aims to provide a novel vacuum coating machine. The base and the connecting flange are connected to the wheel, and the upper bending arm, the toe rod, the camber rod, and the lower swing arm are rotatably connected to the base for connection with the frame. The adjusting mechanism for adjusting the connection length is arranged on the upper bending arm, the toe rod, the camber rod, and the lower swing arm. The inclination of the rear wheel toe angle and the camber angle can be adjusted by the adjusting mechanism, and the wheel track of the two rear wheels can also be adjusted to some extent, so as to ensure the roll balance and the grip of the vehicle when it is at high speed and turns.

[0005] The above technical purpose of the utility model is achieved by the following technical scheme: a rear wheel suspension structure of a drift racing car, comprising a base, a connecting flange is arranged on the base, the connecting flange is used for connecting with the rear wheel of the automobile, an upper bending arm, a toe rod, a camber rod, and a lower swing arm are rotatably connected to one end of the base, the other end of the upper bending arm, the toe rod, the camber rod, and the lower swing arm is connected to the automobile frame, and the adjusting mechanism for adjusting the length is arranged on the upper bending arm, the toe rod, the camber rod, and the lower swing arm.

[0006] By adopting the above technical scheme, the relative length of the upper bending arm, the toe rod, the camber rod, and the lower swing arm can be adjusted by the adjusting mechanism according to the requirements of the user and the condition of the vehicle, so as to adjust the inclination of the rear wheel toe angle and the camber angle, and also to adjust the wheel track of the two rear wheels to some extent, so as to ensure the roll balance and the grip of the vehicle when it is at high speed and turns, thereby meeting the requirements of the drift racing car on the race track.

[0007] The utility model further sets up: the both ends of the angle pull rod and the angle of inclination pull rod are uniformly provided with fish eye bearing on the one end of upper bending arm and lower swing arm far from base, the both ends of fish eye bearing are provided with adapter sleeve, angle pull rod and angle of inclination pull rod are connected with base and car frame rotatably through both ends fish eye bearing and adapter sleeve, upper bending arm and lower swing arm are rotatably connected with car frame through fish eye bearing and adapter sleeve.

[0008] The utility model further sets up: the adjusting mechanism includes with fish eye bearing fixed connection's screw rod, all are provided with the internal screw hole of screw thread connection with screw rod on upper bending arm, angle pull rod, angle of inclination pull rod and lower swing arm.

[0009] The utility model further sets up: the screw thread of angle pull rod and angle of inclination pull rod both sides screw rod is opposite.

[0010] The utility model further sets up: a plurality of limit nuts are connected on the screw rod.

[0011] The utility model further sets up: lower swing arm is A-shaped.

[0012] Compared with the prior art, the utility model has the following advantages and positive effects:

[0013] The utility model discloses a base and connecting flange are connected with wheel, then the rotatable connection of upper bending arm, angle pull rod, angle of inclination pull rod and lower swing arm on base is used for connecting with frame, and the adjusting mechanism of the adjustable connection length of upper bending arm, angle pull rod, angle of inclination pull rod and lower swing arm is further provided on upper bending arm, angle pull rod, angle of inclination pull rod and lower swing arm, and the relative length of upper bending arm, angle pull rod, angle of inclination pull rod and lower swing arm can be adjusted according to the requirement of user and the condition of vehicle through adjusting mechanism, and then the inclination degree parameter adjustment of the rear wheel angle and the angle of inclination of vehicle can be achieved, and the wheel track of both sides rear wheel can be adjusted to a certain extent, so that the roll balance and the grip of vehicle can be ensured when the vehicle is at the minimum radius extreme speed requirement of drifting vehicle in the corner. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the structure diagram of the utility model, Figure One The structural relationship of base, upper bending arm, angle pull rod, angle of inclination pull rod and lower swing arm is shown.

[0015] Figure 2 It is the structure diagram of the utility model, Figure Two The structural shape of base and connecting flange is shown.

[0016] Figure 3 It is the structure diagram of the utility model, Figure Three The structural relationship of base, upper bending arm, angle pull rod, angle of inclination pull rod and lower swing arm is shown.

[0017] Figure 4 Structure of the utility model Figure Four , shows the structure relationship of connector and base;

[0018] Figure 5 Structure of the utility model Figure Five , shows the structure of the tilt rod, fish eye bearing, screw rod and adapter sleeve.

[0019] In the figure: 1, base; 2, connecting flange; 3, upper bending arm; 4, angle limiting rod; 5, tilt rod; 6, lower swing arm; 7, fish eye bearing; 8, adapter sleeve; 9, screw rod; 10, limiting nut; 11, connector. DETAILED DESCRIPTION

[0020] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be described in further detail below in conjunction with the drawings and specific embodiments, it should be explained that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0021] In the description of the utility model, it should be explained that, the orientation or position relationship indicated by the terms 'upper', 'lower', 'inner', 'outer', 'top / bottom end' etc. is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation to the utility model.

[0022] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms'mounting', 'provided with','sleeve setting / connection', 'connection' etc. should be understood broadly, for example, 'connection' can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] The utility model will be described in detail below in conjunction with the drawings.

[0024] A kind of drifting race car rear wheel suspension structure, such as Figures 1-5As shown, including the base 1, the base 1 is formed with a connecting flange 2, the connecting flange 2 is used for connecting with the rear wheel related components, the base 1 is provided with an upper bending arm 3, a toe bar 4, a camber bar 5 and a lower swing arm 6, one end of the upper bending arm 3, the toe bar 4, the camber bar 5 and the lower swing arm 6 is rotatably connected with the automobile frame, the other end of the upper bending arm 3, the toe bar 4, the camber bar 5 and the lower swing arm 6 is rotatably connected with the automobile frame, the upper bending arm 3, the toe bar 4, the camber bar 5 and the lower swing arm 6 are provided with adjusting mechanisms for adjusting the length thereof.

[0025] Further, the toe bar 4 and the camber bar 5 are provided with fish eye bearings 7 at the two ends thereof, the fish eye bearings 7 are rotatably connected with the base 1 and the automobile frame through the two fish eye bearings 7 and the adapter sleeves 8, the upper bending arm 3 and the lower swing arm 6 are rotatably connected with the automobile frame through the fish eye bearings 7 and the adapter sleeves 8.

[0026] Further, the adjusting mechanism comprises a screw rod 9 fixedly connected with the fish eye bearing 7, the upper bending arm 3, the toe bar 4, the camber bar 5 and the lower swing arm 6 are provided with internal screw holes for threadedly connecting with the screw rod 9.

[0027] Further, the threads of the screw rods 9 on the two sides of the toe bar 4 and the camber bar 5 are opposite.

[0028] Further, the screw rod 9 is threadedly connected with a plurality of limiting nuts 10.

[0029] Further, the lower swing arm 6 is in A shape.

[0030] It is necessary to mention that the base is further provided with a connector 11 for connecting with the shock spring.

[0031] Working principle: according to the requirements of the user and the vehicle, the fish eye bearing 7 is rotated, the relative connecting length of the upper bending arm 3, the toe bar 4, the camber bar 5 and the lower swing arm 6 is adjusted by controlling the length of the screw rod 9, the threads of the screw rods 9 on the two sides of the toe bar 4 and the camber bar 5 are opposite, when adjusting, only the toe bar 4 and the camber bar 5 need to be rotated to simultaneously adjust the extension distance of the fish eye bearings 7 on the two sides, so that the adjustment becomes more convenient. After the adjustment is completed, the position of the screw rod 9 is fastened by the limiting nut 10, thereby the inclination adjustment of the camber and the camber of the rear wheel of the vehicle is achieved, and the wheel track of the two rear wheels can also be adjusted to a certain extent. In actual operation, by the above method, the adjustable range of the drift vehicle rear wheel camber is 2°-6°, the adjustable range of the inclination is 2°-7°, and the adjustable range of the wheel track is 15mm-50mm, so that the vehicle can better meet the operation requirements of the driver, and the lateral inclination balance and the grip of the vehicle can be ensured when the vehicle is at high speed in the corner, so that the drift vehicle in the race can meet the requirement of minimizing the corner radius at high speed.

[0032] The above merely is preferred implementation manner of the present application, the protection scope of the present application is not only limited to the above examples, and belongs to the protection scope of the present application for the technical scheme under the idea of the present application.All should be pointed out, for the ordinary skill in the art of the present technology, under the prerequisite of not departing from the principle of the present application, a number of improvements and refinements, these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A rear wheel suspension structure for a drift racing car, characterized in that: Includes a base (1), on which a connecting flange (2) is provided for connection with the rear wheel of a car. The base (1) is provided with an upper curved arm (3), a toe angle tie rod (4), a tilt angle tie rod (5), and a lower swing arm (6) with one end rotatably connected thereto. The other end of the upper curved arm (3), the toe angle tie rod (4), the tilt angle tie rod (5), and the lower swing arm (6) is connected to the car frame. The upper curved arm (3), the toe angle tie rod (4), the tilt angle tie rod (5), and the lower swing arm (6) are all provided with an adjustment mechanism that can adjust their length.

2. The rear wheel suspension structure of a drift racing car according to claim 1, characterized in that: Both ends of the toe angle tie rod (4) and the tilt tie rod (5) are provided with fisheye bearings (7) on the ends of the upper curved arm (3) and the lower swing arm (6) away from the base (1). Both ends of the fisheye bearings (7) are provided with adapter sleeves (8). The toe angle tie rod (4) and the tilt tie rod (5) are rotatably connected to the base (1) and the car frame respectively through the fisheye bearings (7) and adapter sleeves (8) at both ends. The upper curved arm (3) and the lower swing arm (6) are rotatably connected to the car frame through the fisheye bearings (7) and adapter sleeves (8).

3. The rear wheel suspension structure of a drift racing car according to claim 2, characterized in that: The adjustment mechanism includes a screw (9) fixedly connected to the fisheye bearing (7), and the upper curved arm (3), the bend angle tie rod (4), the tilt angle tie rod (5) and the lower swing arm (6) are all provided with internal threaded holes that are threadedly connected to the screw (9).

4. The rear wheel suspension structure of a drift racing car according to claim 3, characterized in that: The threads of the screws (9) on both sides of the tie rod (4) and the tilt rod (5) are opposite.

5. The rear wheel suspension structure of a drift racing car according to claim 3, characterized in that: The screw (9) is threaded with several limiting nuts (10).

6. The rear wheel suspension structure of a drift racing car according to claim 1, characterized in that: The lower swing arm (6) is A-shaped.