Drive-by-wire chassis damping structure

By setting rollers and rubber rings on the outside of the rotating tube, the problems of high friction and poor stability of the rubber sleeve in the shock absorption structure of the wire-controlled chassis are solved, thereby reducing wear and increasing service life.

CN223781965UActive Publication Date: 2026-01-09ANHUI TECHN COLLEGE OF MECHANICAL & ELECTRICAL ENG +1
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Patent Information

Application Number
CN202520590134.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-01-09
Estimated Expiration
2035-04-01

AI Technical Summary

Technical Problem

In the existing shock absorption structure of the drive-by-wire chassis, the friction between the sleeve and the rotating tube is large, resulting in severe wear, poor stability of the rubber sleeve, easy detachment, and short service life.

Method used

A roller is installed on the outside of the rotating tube. The roller and the sleeve are connected by rolling to reduce friction. The design of the baffle and rubber ring enables the rubber ring to be limited and locked to prevent it from falling off.

Benefits of technology

It reduces friction, decreases wear, extends the service life of the shock-absorbing structure, and improves the stability of the rubber ring, preventing it from falling off.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a drive-by-wire chassis damping structure which comprises a cylinder barrel, an oil storage cylinder is installed on one side of the cylinder barrel, a spring is installed between the cylinder barrel and the oil storage cylinder, the other side of the cylinder barrel and one side of the oil storage cylinder are respectively provided with a stabilizing pipe, rotating pipes are arranged in the stabilizing pipes, rollers are clamped on the outer sides of the rotating pipes at equal angles, and the rotating pipes are connected with the oil storage cylinder. According to the drive-by-wire chassis damping structure, a plurality of rollers are arranged on the outer side of a rotating pipe, the rollers can rotate in the contact process with a sleeve, the inner wall of the sleeve and the outer wall of the rotating pipe roll in an attached mode instead of sliding in an attached mode, the friction area is reduced, and then the friction force between the rollers and the rotating pipe and the sleeve is reduced; the damping structure is provided with a structure for reducing friction force, abrasion of the damping structure is reduced, and the service life of the damping structure is prolonged.
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Description

Technical Field

[0001] This utility model relates to the field of drive-by-wire chassis technology, specifically a drive-by-wire chassis shock absorption structure. Background Technology

[0002] In the field of automotive engineering, chassis damping structure is an important component related to vehicle driving stability and ride comfort. Traditional chassis damping structure usually consists of damping springs and dampers. The coordinated action of springs and dampers absorbs and reduces vibrations generated during vehicle driving to ensure vehicle smoothness and comfort.

[0003] In the existing anti-collision and shock absorption structure of the wire-controlled chassis, the inner wall of the sleeve and the outer wall of the rotating tube are in close sliding connection, while the sleeve and the rotating tube are in direct contact. There is no structure to reduce friction, resulting in a large amount of wear between the shock absorption structure and the wire hole chassis, and a short service life of the shock absorption structure, which has a certain impact on actual use. At the same time, there is no structure to lock the rubber sleeve, and the stability of the rubber sleeve between the stabilizing tube and the sleeve is not good enough. The rubber sleeve is easy to fall off from the stabilizing tube. Utility Model Content

[0004] The purpose of this invention is to provide a drive-by-wire chassis damping structure to solve the problem of excessive wear in current drive-by-wire chassis damping structures mentioned in the background section.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a wire-controlled chassis shock absorption structure, including a cylinder, an oil reservoir installed on one side of the cylinder, a spring installed between the cylinder and the oil reservoir, and a stabilizing tube installed on the other side of the cylinder and one side of the oil reservoir. A rotating tube is provided inside the stabilizing tube, and a roller is engaged at an equal angle on the outer side of the rotating tube. The roller reduces the friction between the parts.

[0006] Preferably, a sleeve is inserted inside the stabilizing tube, and the sleeve is fitted over the outside of the rotating tube, and a baffle is installed at the outer end of the stabilizing tube.

[0007] Preferably, a rubber ring is installed at the outer end of the sleeve, and the rotating tube is rotatably connected to the sleeve. A groove is provided on the outer side of the rubber ring.

[0008] Preferably, the width of the groove is less than the thickness of the rubber ring, the outer end of the baffle is engaged inside the groove, and the vertical cross-section of the baffle is set in an "L" shape.

[0009] Preferably, the side of the roller coincides with the outer side of the rotating tube, and the side of the roller is movably connected to the inner side of the sleeve.

[0010] Preferably, an installation plate is installed at the end of the rotating tube. The end of the installation plate near the rotating tube is rotatably connected to the roller via a shaft. The rubber ring is located on the outer edge of the installation plate, and the rubber ring and the installation plate are at the same center.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] Multiple rollers are installed on the outside of the rotating tube. The rollers are rotatable during contact with the sleeve. The inner wall of the sleeve and the outer wall of the rotating tube are changed from close sliding to close rolling, which reduces the friction area and thus reduces the friction between the roller rotating tube and the sleeve. This makes the shock-absorbing structure have a structure that reduces friction, reduces the wear of the shock-absorbing structure, and increases the service life of the shock-absorbing structure. At the same time, the baffle limits and engages the rubber ring, improves the stability of the rubber ring between the stabilizing tube and the sleeve, and prevents the rubber sleeve from falling off. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0014] Figure 2 This is a schematic diagram of the main cross-sectional structure of the mounting plate of this utility model;

[0015] Figure 3 This is a schematic diagram of the three-dimensional structure of the sleeve of this utility model;

[0016] Figure 4 This is a schematic diagram of the main cross-sectional structure of the stabilizing tube of this utility model;

[0017] Figure 5 This is a schematic diagram of the main cross-sectional structure of the rubber ring of this utility model.

[0018] In the diagram: 1. Cylinder; 2. Oil reservoir; 3. Spring; 4. Stabilizing tube; 5. Roller; 6. Rotating tube; 7. Baffle; 8. Sleeve; 9. Rubber ring; 10. Mounting plate; 11. Groove. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figures 1-5 The present invention provides the following technical solution:

[0021] A drive-by-wire chassis vibration damping structure includes a cylinder 1, an oil reservoir 2 installed on one side of the cylinder 1, a spring 3 installed between the cylinder 1 and the oil reservoir 2, a stabilizing tube 4 installed on the other side of the cylinder 1 and one side of the oil reservoir 2, a rotating tube 6 arranged inside the stabilizing tube 4, and a roller 5 equally angledly engaged on the outer side of the rotating tube 6, the roller 5 reducing the friction between parts, the side of the roller 5 coinciding with the outer side of the rotating tube 6, and the side of the roller 5 movably connected to the inner side of the sleeve 8, and an mounting plate 10 installed at the end of the rotating tube 6, the end of the mounting plate 10 near the rotating tube 6 being rotatably connected to the roller 5 via a shaft.

[0022] When the shock-absorbing structure operates on the wire-controlled chassis, the sleeve 8 rotates inside the rotating tube 6, and the roller 5 rolls between the rotating tubes 6. The roller 5 reduces the friction between the sleeve 8 and the rotating tube 6, thus protecting the internal parts of the shock-absorbing structure of the wire-controlled chassis.

[0023] The stabilizing tube 4 has a sleeve 8 inside, and the sleeve 8 is sleeved on the outside of the rotating tube 6. A baffle 7 is installed at the outer end of the stabilizing tube 4. A rubber ring 9 is installed at the outer end of the sleeve 8. The rotating tube 6 and the sleeve 8 are rotatably connected. A groove 11 is opened on the outer side of the rubber ring 9. The width of the groove 11 is less than the thickness of the rubber ring 9. The outer end of the baffle 7 is engaged inside the groove 11. The vertical cross-section of the baffle 7 is set in an "L" shape. The rubber ring 9 is located on the outer edge of the mounting plate 10, and the rubber ring and the mounting plate are at the same center.

[0024] When the online control chassis is subjected to vibration, the oil reservoir 2, cylinder 1 and spring 3 realize the vibration damping function of the chassis. The rubber ring 9 protrudes from the stabilizing tube 4, and the rubber ring 9 is used to avoid the collision between the stabilizing tube 4 and the chassis. When the vibration damping structure is running on the online control chassis, the rotating tube 6 rotates in the sleeve 8. The structure of the baffle 7 realizes the limitation of the rubber ring 9, and clamps the rubber ring 9 between the baffle 7 and the mounting plate 10, so that the vibration damping structure has the structure of clamping the rubber ring 9, ensuring the stability of the rubber sleeve between the rubber ring 9 and the sleeve 8, and preventing the rubber ring 9 from falling out of the stabilizing tube 4.

[0025] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A drive-by-wire chassis damping structure, comprising a cylinder (1), an oil reservoir (2) mounted on one side of the cylinder (1), a spring (3) mounted between the cylinder (1) and the oil reservoir (2), and a stabilizing tube (4) mounted on the other side of the cylinder (1) and one side of the oil reservoir (2), characterized in that, The inside of the stabilizing tube (4) is provided with a rotating tube (6), and the outside of the rotating tube (6) is fitted with a roller (5) at an equal angle. The roller (5) reduces the friction between the parts.

2. The drive-by-wire chassis vibration damping structure according to claim 1, characterized in that: The stabilizing tube (4) has a sleeve (8) inside, and the sleeve (8) is fitted on the outside of the rotating tube (6), and a baffle (7) is installed at the outer end of the stabilizing tube (4).

3. The drive-by-wire chassis vibration damping structure according to claim 2, characterized in that: A rubber ring (9) is installed at the outer end of the sleeve (8), and the rotating tube (6) is rotatably connected to the sleeve (8). A groove (11) is provided on the outer side of the rubber ring (9).

4. The drive-by-wire chassis vibration damping structure according to claim 3, characterized in that: The width of the groove (11) is less than the thickness of the rubber ring (9), and the outer end of the baffle (7) is engaged inside the groove (11). The vertical cross-section of the baffle (7) is set as an "L" shaped structure.

5. The drive-by-wire chassis vibration damping structure according to claim 1, characterized in that: The side of the roller (5) coincides with the outer side of the rotating tube (6), and the side of the roller (5) is movably connected to the inner side of the sleeve (8).

6. The drive-by-wire chassis vibration damping structure according to claim 4, characterized in that: The end of the rotating tube (6) is equipped with a mounting plate (10). The end of the mounting plate (10) near the rotating tube (6) is rotatably connected to the roller (5) through a shaft. The rubber ring (9) is located on the outer edge of the mounting plate (10), and the rubber ring and the mounting plate are at the same center.