Automobile chassis steering rod

By installing damping springs and dampers on the steering tie rods, combined with protective sleeves to protect the ball joints, the problems of loosening and corrosion caused by steering tie rod vibration are solved, resulting in a longer service life and better cushioning effect.

CN223736115UActive Publication Date: 2025-12-30TAIZHOU YUPEI AUTOMOBILE TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520434537.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2025-12-30
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

Existing automotive steering tie rods are prone to loosening and breaking during vibration, and lack cushioning protection, resulting in shortened service life and surface corrosion.

Method used

It employs components such as vibration damping springs, dampers, protective sleeves, and protective outer jackets. The vibration frequency and amplitude are reduced by the vibration damping springs and dampers, and the ball head seat is protected by the protective sleeve, extending its service life.

Benefits of technology

It effectively reduces the vibration frequency and amplitude of the steering tie rod, prevents loosening and breakage of the connection, extends service life, and prevents corrosion of the ball joint seat.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223736115U_ABST
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Abstract

The utility model provides an automobile chassis steering rod, and belongs to the technical field of automobile accessories. The problem that an existing steering rod is short in service life is solved. The automobile chassis steering rod comprises a pull rod body, connecting plates are welded to the left side and the right side of the pull rod body correspondingly, the outer sides of the connecting plates are sleeved with mounting inserting shells, the tops and the bottoms of the connecting plates are fixedly connected with damping springs and dampers correspondingly, ball cup bodies are welded to the outer sides of the mounting inserting shells, and ball pins are inserted into the bottoms of the ball cup bodies; the surface of the ball cup body is sleeved with a protective sleeve, the protective sleeve comprises an elastic rubber sleeve, the outer side of the bottom of the elastic rubber sleeve is fixedly connected with a protective outer sleeve, and a protective inner pad is glued to an inner cavity of the protective outer sleeve. The shock absorber has the advantages of being good in shock absorption effect, long in service life and the like.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile parts, and relates to an automobile chassis steering rod. BACKGROUND

[0002] The steering pull rod of the automobile chassis is an important part in the automobile steering mechanism, and is an important component of the steering transmission mechanism, which connects the steering gear and the front wheel of the automobile and is responsible for transmitting the torque generated by the steering gear.

[0003] For example, the Chinese patent document discloses an automobile steering pull rod [application number: 202322260570.1; authorized publication number: CN220577354U], which comprises a pull rod body, installation grooves are formed at both ends of the pull rod body; a ball head seat, the ball head seat is provided with two, each side outer surface of each ball head seat is fixedly connected with an installation rod, and each installation rod is embedded in the installation groove, two fixing grooves are formed in the outer surface of each installation rod; and an installation mechanism, the installation mechanism comprises two limiting plates, each limiting plate is movably embedded in the corresponding fixing groove, a abutting spring is fixedly connected between the outer surface of one side of each limiting plate and the inner surface wall of the corresponding fixing groove, a positioning block is fixedly connected to the outer surface of one side of each limiting plate, a positioning groove is formed in the inner surface wall of each installation groove, and a movable plate is movably embedded in each positioning groove.

[0004] The automobile steering pull rod can realize the disassembly of the installation rod and the ball head seat, and improves the convenience, but the damping effect is poor, and the steering pull rod is used in the process, and the vibration of the automobile is transmitted to the pull rod through the connecting piece on the wheel, and the pull rod does not have the damping function, so that the steering pull rod is in the working condition of frequent vibration, and the frequent and large amplitude vibration for a long time can cause the connection position of the steering pull rod to be loose and fall off, and metal fatigue and even fracture can also occur, which affects the service life of the steering pull rod, and the ball head seat cannot be buffered and protected, the surface metal paint is dropped due to the impact of flying stones, and the surface is rusted to cause damage. SUMMARY

[0005] The utility model discloses a kind of automobile chassis steering rods, which can reduce the vibration frequency and amplitude of steering pull rod, buffer protection to ball head seat, and prolong service life.

[0006] The utility model discloses a car chassis steering rod, including pull rod body, the left and right sides of pull rod body all are welded with connecting plate, the outside of connecting plate is equipped with the installation plug shell, the top and bottom of connecting plate are fixedly connected with damping spring and damper respectively, the outside welding of installation plug shell is equipped with ball head seat body, the bottom of ball head seat body is inserted with ball head pin, the surface of ball head seat body is equipped with protective sleeve, the protective sleeve includes elastic rubber sleeve, the outside fixed connection of elastic rubber sleeve bottom is equipped with protective outer cover, the inner chamber of protective outer cover is glued with protection inner pad.

[0007] This car chassis steering rod is mainly provided with installation plug shell, protective sleeve, connecting plate, damping spring, positioning bolt and damper, and can have the function of shock absorption through installation plug shell, protective sleeve, connecting plate, damping spring, positioning bolt and damper, reduces the vibration frequency and amplitude of steering pull rod, can buffer protection ball head seat, prolongs the service life.

[0008] In the above-mentioned car chassis steering rod, the front and rear sides of the left side of the top of the connecting plate are provided with mounting insertion holes, and the number of damping springs is eight and is distributed on the top and bottom of the connecting plate. In actual application, the mounting insertion holes are arranged, so that the positioning bolt can pass through the connecting plate to realize connection between the mounting plug shell.

[0009] In the above-mentioned car chassis steering rod, the positioning bolt is inserted and mounted between the mounting plug shell and the mounting insertion hole, and the top and bottom of the surface of the positioning bolt are sleeved with damping rubber sleeves. In actual application, the damping rubber sleeves are arranged to support the connecting plate in the middle and dampen vibration, thereby improving the shock absorption effect.

[0010] In the above-mentioned car chassis steering rod, the number of dampers is two and is distributed on the top and bottom of the connecting plate, and the outer sides of the damping spring and the damper are fixedly connected with the top and bottom of the inner cavity of the mounting plug shell.

[0011] In the above-mentioned car chassis steering rod, the bottom of the surface of the ball head pin is threadedly sleeved with a mounting nut, and the elastic rubber sleeve is made of silica gel. In actual application, the mounting nut is arranged to realize fixed connection of the ball head pin and external parts.

[0012] In the above-mentioned car chassis steering rod, the protective outer cover is made of nitrile rubber, and the protection inner pad is made of buffer sponge pad. In actual application, the protective outer cover is arranged to make the protective sleeve have wear-resistant and corrosion-resistant properties, effectively prolong the service life, and the protection inner pad is arranged to reduce the impact force on the ball head seat body through the properties of the buffer sponge.

[0013] Compared with the prior art, the automobile chassis steering rod has the advantages that the automobile chassis steering rod has the function of shock absorption during operation, reduces the vibration frequency and amplitude of the steering rod, can protect the ball head seat, and prolongs the service life. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is the axial side view of the automobile chassis steering rod.

[0015] Figure 2 is Figure 1 is an enlarged view of A in FIG.

[0016] Figure 3 is the top view of the partial structure of the automobile chassis steering rod.

[0017] Figure 4 is the rear view of the ball head seat body and the mounting plug shell in the automobile chassis steering rod.

[0018] Figure 5 is the sectional view of the protective sleeve of the automobile chassis steering rod.

[0019] In the figure: 1, rod body; 2, mounting plug shell; 3, mounting nut; 4, protective sleeve; 5, connecting plate; 6, ball head seat body; 7, damping spring; 8, positioning bolt; 9, mounting plug hole; 10, damper; 11, damping rubber sleeve; 12, ball head pin; 13, protective outer sleeve; 14, protective inner pad; 15, elastic rubber sleeve. DETAILED DESCRIPTION

[0020] The following is a specific embodiment of the present application and further describes the technical scheme of the present application in combination with the drawings, but the present application is not limited to these embodiments.

[0021] As Figure 1 , Figure 2 , Figure 3 and Figure 4 shown, the automobile chassis steering rod comprises a rod body 1, the left and right sides of the rod body 1 are each welded with a connecting plate 5, the outer side of the connecting plate 5 is sleeved with a mounting plug shell 2, the top and bottom of the connecting plate 5 are respectively fixedly connected with a damping spring 7 and a damper 10, the outer side of the mounting plug shell 2 is welded with a ball head seat body 6, the bottom of the ball head seat body 6 is inserted with a ball head pin 12, the surface of the ball head seat body 6 is sleeved with a protective sleeve 4, the protective sleeve 4 comprises an elastic rubber sleeve 15, the outer side of the bottom of the elastic rubber sleeve 15 is fixedly connected with a protective outer sleeve 13, and the inner cavity of the protective outer sleeve 13 is glued with a protective inner pad 14.

[0022] Further, the left side of the top of the connecting plate 5 is provided with mounting sockets 9 on the front and back sides, and the number of damping springs 7 is eight, which are distributed on the top and bottom of the connecting plate 5. The positioning bolts 8 are inserted and mounted between the mounting sockets 2 and the mounting sockets 9, and the top and bottom of the surface of the positioning bolts 8 are sleeved with damping rubber sleeves 11;

[0023] The number of dampers 10 is two, which are distributed on the top and bottom of the connecting plate 5, and the outer sides of the damping springs 7 and the dampers 10 are fixedly connected with the top and bottom of the inner cavities of the mounting sockets 2. The bottom of the surface of the ball head pin 12 is sleeved with the mounting nut 3, and the elastic rubber sleeve 15 is made of silica gel material. The protective sleeve 13 is made of butyronitrile rubber material, and the protective inner pad 14 is made of buffer sponge pad material.

[0024] In use, the ball head pins 12 on both sides are connected with the steering system parts on the automobile chassis, the vibration during the driving of the vehicle is transmitted to the steering tie rod through the connecting parts on the wheels, the connecting plate 5 on both sides of the tie rod body 1 moves up and down in the mounting socket 2, and the damping springs 7 on the top and bottom of the connecting plate 5 are compressed and stretched, which can offset the kinetic energy generated by the vibration, and the damper 10 can provide the motion resistance through its own characteristics, which can consume the kinetic energy, so that the steering tie rod has good vibration damping function, the connection part on the tie rod is prevented from loosening, and the welding part is prevented from being broken. The protective sleeve 4 is sleeved on the surface of the ball head seat body 6, which can protect the part of the ball head seat body 6 exposed outside, the flying stones during the driving of the automobile cannot directly impact on the ball head seat body 6, which effectively prevents the paint on the surface of the ball head seat body 6 from falling off, avoids rusting and prolongs the service life.

[0025] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art. The specific embodiments described in the specification are only illustrative of the spirit of the utility model. The person skilled in the art to which the utility model belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the utility model or exceed the scope defined by the appended claims.

Claims

1. A motor vehicle chassis steering linkage comprising a drag link body (1) characterised in that: The left and right sides of the pull rod body (1) are welded with connecting plates (5), the outer side of the connecting plate (5) is sleeved with a mounting plug shell (2), the top and bottom of the connecting plate (5) are fixedly connected with damping springs (7) and dampers (10) respectively, the outer side of the mounting plug shell (2) is welded with a ball head seat body (6), the bottom of the ball head seat body (6) is inserted with a ball head pin (12), the surface of the ball head seat body (6) is sleeved with a protective sleeve (4), the protective sleeve (4) comprises an elastic rubber sleeve (15), the outer side of the bottom of the elastic rubber sleeve (15) is fixedly connected with a protective outer sleeve (13), the inner cavity of the protective outer sleeve (13) is glued with a protective inner pad (14).

2. A vehicle chassis steering column as claimed in claim 1, characterised in that: The left and right sides of the top of the connecting plate (5) are provided with mounting plug holes (9), and the number of the damping springs (7) is eight and is distributed on the top and bottom of the connecting plate (5).

3. The automotive chassis steering rod of claim 1, wherein: The mounting plug shell (2) and the mounting plug hole (9) are inserted with a positioning bolt (8), and the top and bottom of the surface of the positioning bolt (8) are sleeved with damping rubber sleeves (11).

4. The automotive chassis steering rod of claim 1, wherein: The number of the dampers (10) is two and is distributed on the top and bottom of the connecting plate (5), and the outer sides of the damping springs (7) and the dampers (10) are fixedly connected with the top and bottom of the inner cavity of the mounting plug shell (2) respectively.

5. The automotive chassis steering rod according to claim 1, wherein: The bottom of the surface of the ball head pin (12) is threadedly sleeved with a mounting nut (3), and the elastic rubber sleeve (15) is made of silica gel.

6. The automotive chassis steering rod of claim 1, wherein: The protective outer sleeve (13) is made of butadiene-acrylonitrile rubber, and the protective inner pad (14) is made of a buffer sponge pad.

Citation Information

Patent Citations

  • Automobile steering pull rod

    CN220577354U