Transverse straight pull rod for automobile steering

By employing a tapered sleeve and locking nut mating structure and a rubber telescopic sleeve sealing design in the automotive steering tie rod, the problem of insufficient locking force is solved, achieving stability and protection at the connection point and extending service life.

CN223574506UActive Publication Date: 2025-11-21ZHEJIANG LIZHONG CHASSIS PARTS CO LTD
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Patent Information

Application Number
CN202520117530.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-18
Publication Date
2025-11-21
Estimated Expiration
2035-01-18

AI Technical Summary

Technical Problem

Existing automotive steering tie rods are prone to loosening or falling off due to insufficient locking force during long-term use, posing a safety hazard.

Method used

A car steering tie rod was designed, which uses a tapered sleeve that makes close contact with the tapered surface of the first rod body, and uses a locking nut to cooperate with the tapered sleeve to enhance the locking force. At the same time, a rubber telescopic sleeve and a plastic hook are set at the connection for sealing protection.

Benefits of technology

It improves the locking force at the connection, preventing loosening or falling off, extending the service life, and prevents rust through sealing protection, thus enhancing overall reliability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an automobile steering transverse straight pull rod, and belongs to the technical field of automobile accessories. The problem that an existing automobile steering transverse straight pull rod is prone to loosening is solved. The automobile steering transverse straight pull rod comprises a first rod body and a second rod body, the second rod body is provided with a threaded section, the threaded section is axially inserted into the first rod body and is in threaded connection with the first rod body, the threaded section is connected with a locking nut, the outer wall of the end, allowing the second rod body to penetrate through, of the first rod body is a conical surface, and the threaded section is sleeved with a conical sleeve with the inner wall being a conical surface. The taper sleeve is located between the first rod body and the locking nut, the end of the first rod body is inserted into the taper sleeve and is in conical surface fit with the taper sleeve, and the locking nut abuts against the taper sleeve. The locking device has the advantages of being good in locking 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, especially relates to a car steering cross straight pull rod. BACKGROUND

[0002] The car steering cross straight pull rod is an important part in the car steering system, and bears the task of transmitting the movement of the steering rocker arm to the steering knuckle arm.

[0003] For example, the Chinese patent document discloses a car steering straight pull rod [application number: 202123256917.2; authorized publication number: CN216374722U], which comprises a left joint assembly, a right joint assembly and a shaft pipe, the right joint assembly and the shaft pipe are fixedly connected, the shaft pipe is fixedly connected with a threaded joint, the threaded joint is connected with an adjusting sleeve through an internal thread, the external thread of the adjusting sleeve is opposite to the spiral direction of the internal thread, the ball pin shell of the left joint assembly has a connecting rod part which is rod-shaped and is threadedly connected in the internal thread of the adjusting sleeve, the connecting rod part is threadedly connected with a lock nut, the inner wall of the lock nut has a clearance hole which is located at the end of the adjusting sleeve, the end of the adjusting sleeve which extends out of the threaded joint is sleeved with an adjusting washer which is located between the lock nut and the threaded joint, and the adjusting washer is circumferentially fixedly connected with the adjusting sleeve and can axially displace relative to the adjusting sleeve.

[0004] The car steering straight pull rod is convenient to adjust the center distance and has high adjustment precision, but it does not have a locking structure, and the connecting part of the pull rod is only limited and fixed by the lock nut, so that the connecting part of the pull rod is prone to loosening due to insufficient locking force during long-term use, thereby causing safety hazards. SUMMARY

[0005] The utility model discloses a locking structure, which can effectively improve the locking force of the connecting part, so that the car steering cross straight pull rod is not prone to loosening or falling off.

[0006] The utility model discloses a car steering cross straight pull rod, which comprises a first rod body and a second rod body, the second rod body has a threaded segment, the threaded segment is axially inserted into the first rod body and is threadedly connected with the first rod body, the threaded segment is connected with a lock nut, the end of the first rod body through which the second rod body passes is provided with a conical surface, the threaded segment is provided with a conical sleeve with a conical inner wall, the conical sleeve is located between the first rod body and the lock nut, the end of the first rod body is inserted into the conical sleeve, and the conical surfaces of the two are matched, and the lock nut abuts against the conical sleeve.

[0007] The automobile steering cross straight pull rod is locked by the taper sleeve and the taper surface of the first rod body, the contact area is large, the locking nut is in contact with the taper sleeve, and the first rod body is always in close contact with the first rod body, so that the locking force between the first rod body and the second rod body is improved, and the first rod body is not easy to loosen or fall off during long-term use, and the service life of the cross straight pull rod is prolonged.

[0008] In the automobile steering cross straight pull rod, the left side of the first rod body surface is provided with a protective plate, the right side of the protective plate is riveted with a rubber telescopic sleeve, the right side of the rubber telescopic sleeve is riveted with a connecting plate, and the left side of the second rod body surface is provided with a positioning plate. In actual application, the rubber telescopic sleeve is arranged, so that the connection between the first rod body and the second rod body can be sealed and protected, and rusting of the connection can be avoided, thereby prolonging the service life of the cross straight pull rod.

[0009] In the automobile steering cross straight pull rod, the outer surface of the positioning plate is riveted with a plastic clamping hook, and the right side of the connecting plate is in contact with the positioning plate. In actual application, the plastic clamping hook is arranged to facilitate quick connection and fixation of the connecting plate and the positioning plate.

[0010] In the automobile steering cross straight pull rod, the number of plastic clamping hooks is three, and the plastic clamping hooks are arranged around.

[0011] In the automobile steering cross straight pull rod, the left end of the first rod body is provided with a ball head seat, and the right end of the second rod body is provided with a connecting ball head. In actual application, the connecting ball head is arranged to facilitate connection of the second rod body with the automobile chassis parts.

[0012] Compared with the prior art, the automobile steering cross straight pull rod has the advantages that: it has a locking structure, can further lock the connection between the first rod body and the second rod body, avoid loosening or falling off during use, and has a protection function, can seal and protect the connection, and avoid rusting of the connection. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a front view of the automobile steering cross straight pull rod.

[0014] Figure 2 is a front view of the automobile steering cross straight pull rod.

[0015] Figure 3 is a front view of the automobile steering cross straight pull rod.

[0016] In the figure, 1, first rod body; 2, second rod body; 3, threaded section; 4, locking nut; 5, taper sleeve; 6, protective plate; 7, rubber telescopic sleeve; 8, connecting plate; 9, positioning plate; 10, plastic clamping hook; 11, ball head seat; 12, connecting ball head. DETAILED DESCRIPTION

[0017] 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.

[0018] As shown in Figure 1 , Figure 2 and Figure 3 , the automobile steering cross straight pull rod comprises a first rod body 1 and a second rod body 2, the second rod body 2 has a threaded section 3, the threaded section 3 is axially inserted into the first rod body 1 and is threadedly connected with the first rod body 1, the threaded section 3 is connected with a locking nut 4, the end of the first rod body 1 through which the second rod body 2 passes has a conical surface, the threaded section 3 is sleeved with a taper sleeve 5 with a conical inner wall, the taper sleeve 5 is located between the first rod body 1 and the locking nut 4, the end of the first rod body 1 is inserted into the taper sleeve 5 and the conical surfaces of the two are matched, and the locking nut 4 abuts against the taper sleeve 5.

[0019] Further, a protective plate 6 is fixedly sleeved on the left side of the surface of the first rod body 1, a rubber telescopic sleeve 7 is riveted on the right side of the protective plate 6, a connecting plate 8 is riveted on the right side of the rubber telescopic sleeve 7, a positioning plate 9 is fixedly sleeved on the left side of the surface of the second rod body 2, plastic clamping hooks 10 are riveted on the outer surface of the positioning plate 9, and the right side of the connecting plate 8 is in contact with the positioning plate 9.

[0020] The outer surface of the positioning plate 9 is riveted with plastic clamping hooks 10, and the right side of the connecting plate 8 is in contact with the positioning plate 9. The number of the plastic clamping hooks 10 is three, and the plastic clamping hooks 10 are arranged around. The left end of the first rod body 1 is provided with a ball head seat 11, and the right end of the second rod body 2 is provided with a connecting ball head 12.

[0021] In actual manufacturing, the taper sleeve 5 and the locking nut 4 are sleeved on the surface of the threaded section 3, the threaded section 3 of the surface of the second rod body 2 is inserted into the interior of the first rod body 1, the threaded section 3 of the second rod body 2 is threadedly connected with the inner wall of the first rod body 1, then the second rod body 2 is rotated, the second rod body 2 drives the threaded section 3 to rotate, the threaded section 3 extends into the interior of the first rod body 1, after the threaded section 3 is moved to a proper position, the taper sleeve 5 is sleeved on the surface of the taper surface of the first rod body 1, then the locking nut 4 is rotated, the left side of the locking nut 4 is in close contact with the taper sleeve 5, the taper sleeve 5 is in close contact with the taper surface of the first rod body 1, the contact area is large, the locking nut 4 abuts against the taper sleeve 5 so that the taper sleeve 5 is always in close contact with the first rod body 1, in this way, the locking force between the first rod body 1 and the second rod body 2 is improved, the first rod body 1 and the second rod body 2 are not prone to loosening or falling off in long-term use, the service life of the horizontal and vertical pull rod is prolonged, after installation is completed, the rubber telescopic sleeve 7 is pulled to the right side, so as to be sleeved on the surface of the taper sleeve 5 and the locking nut 4, then the connecting plate 8 and the positioning plate 9 are fixed through the plastic clamping hook 10, under the action of the rubber telescopic sleeve 7, the connecting portion of the first rod body 1 and the second rod body 2 can be protected from dust and water, and can effectively avoid being eroded by water vapor and dust.

[0022] 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 specific embodiments described 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 car steering tie rod, comprising a first rod (1) and a second rod (2), characterized in that, The second rod (2) has a threaded section (3), which is axially inserted into the first rod (1) and threadedly connected to the first rod (1). The threaded section (3) is connected to a locking nut (4). The outer wall of the end of the first rod (1) through which the second rod (2) passes is conical. The threaded section (3) is fitted with a conical sleeve (5) with a conical inner wall. The conical sleeve (5) is located between the first rod (1) and the locking nut (4). The end of the first rod (1) is inserted into the conical sleeve (5) and the two conical surfaces are engaged. The locking nut (4) abuts against the conical sleeve (5).

2. The automotive steering tie rod according to claim 1, characterized in that, A protective plate (6) is fixedly sleeved on the left side of the surface of the first rod (1), a rubber telescopic sleeve (7) is riveted to the right side of the protective plate (6), a connecting plate (8) is riveted to the right side of the rubber telescopic sleeve (7), and a positioning plate (9) is fixedly sleeved on the left side of the surface of the second rod (2).

3. A car steering tie rod according to claim 2, characterized in that, The outer surface of the positioning plate (9) is riveted with plastic hooks (10), and the right side of the connecting plate (8) is in contact with the positioning plate (9).

4. A car steering tie rod according to claim 3, characterized in that, The number of plastic hooks (10) is three, and the plastic hooks (10) are arranged in a ring around each other.

5. A car steering tie rod according to claim 1, characterized in that, The left end of the first rod (1) is provided with a ball head seat (11), and the right end of the second rod (2) is provided with a connecting ball head (12).

Citation Information

Patent Citations

  • Automobile steering drag link

    CN216374722U