Device for detecting travel angle between steering gear mounting hole and pull rod

By designing a detection device for the steering gear mounting hole and tie rod travel angle, the problems of misalignment of the housing mounting point and insufficient tie rod angle were solved, achieving accurate installation of the steering gear assembly, reducing market feedback and improving customer satisfaction.

CN223910199UActive Publication Date: 2026-02-13JIANGSU GANGYANG STEERING SYST
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Patent Information

Application Number
CN202520704102.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-15
Publication Date
2026-02-13
Estimated Expiration
2035-04-15

AI Technical Summary

Technical Problem

Misalignment of the steering gear housing mounting point and insufficient travel of the tie rod angle can cause interference between the steering gear assembly and the vehicle chassis or insufficient steering wheel travel, resulting in abnormal vehicle noise and stability issues.

Method used

A device for detecting the angle between the steering gear mounting hole and the tie rod stroke was designed. It includes a transverse main base plate, an inner ball joint positioning plate, a housing support, and a positioning pin. It simulates the installation of a rack and pinion steering gear assembly on the vehicle chassis to verify the accuracy of the mounting hole position and the tie rod angle stroke.

Benefits of technology

This improved the accuracy of the steering gear assembly mounting hole position and tie rod angle travel, reduced the risk of interference and insufficient steering wheel travel, and improved product qualification rate and customer satisfaction.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223910199U_ABST
    Figure CN223910199U_ABST
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Abstract

The utility model discloses a steering gear mounting hole and pull rod stroke angle detection device, comprising a transversely arranged main bottom plate, the main bottom plate is provided with a pair of inner ball joint positioning plates, the edge of the main bottom plate is provided with a first housing support and a second housing support, the two tail ends of the main bottom plate are provided with measuring pin supporting seats, and the measuring pin supporting seats are provided with measuring pins. A third positioning pin and a first positioning pin are arranged on the inner side wall of the first shell support, and a positioning mandrel and a second positioning pin are arranged on the inner wall of the second shell support. According to the detection device for the steering gear mounting hole and the pull rod stroke angle, the specific mounting conditions of the shell mounting hole position and the pull rod angle stroke can be verified by simulating the working condition that a gear rack steering gear assembly is mounted on a vehicle body chassis, and the accuracy of the gear rack steering gear assembly mounting hole position and the pull rod angle stroke is improved; risks of interference and insufficient travel of the steering wheel are reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a detection equipment of a steering gear, more exactly, it is a detection device of steering gear mounting hole and pull rod stroke angle. BACKGROUND

[0002] Usually, the shell mounting point of the automobile steering gear is usually connected to the vehicle body chassis by bolts, and the pull rod joint assembly is connected by threads, but due to the misplacement of the shell mounting point and the insufficient angle stroke of the pull rod, the steering gear assembly and the remaining parts of the vehicle body chassis will interfere or the steering wheel stroke will be insufficient, which will seriously cause abnormal noise of the vehicle and stability of the vehicle. SUMMARY

[0003] Therefore, it is necessary to provide a detection device of steering gear mounting hole and pull rod stroke angle aiming at the above technical problems.

[0004] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0005] A detection device of steering gear mounting hole and pull rod stroke angle, characterized in that the detection device of steering gear mounting hole and pull rod stroke angle comprises a horizontally arranged main base plate, a pair of longitudinally arranged inner ball joint positioning plates are arranged on the main base plate, a first shell support and a second shell support are arranged on the edge of the main base plate in a longitudinal direction, the arrangement direction of the first shell support is perpendicular to the inner ball joint positioning plate, and a measuring pin support seat is arranged at both ends of the main base plate,

[0006] A third positioning pin and a first positioning pin are arranged on the inner side wall of the first shell support, and a positioning mandrel and a second positioning pin are arranged on the inner wall of the second shell support.

[0007] As a preferred embodiment of the utility model, the inner ball joint positioning plate comprises a mouth-shaped positioning frame, a pair of connecting holes are arranged on the bottom of the positioning frame, a positioning straight groove is arranged at the center of the top of the positioning frame, and a positioning inclined groove is arranged on both sides of the positioning straight groove.

[0008] As a preferred embodiment of the utility model, the included angle between the positioning straight groove and the positioning inclined groove is 30°.

[0009] As a preferred embodiment of the utility model, the main base plate comprises a pair of separable connecting sub-plates, a connecting flange is arranged at the end of the connecting sub-plate, and a flange through hole is arranged on the connecting flange.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] This utility model provides a detection device for the steering gear mounting hole and tie rod travel angle. This device simulates the working condition of a rack and pinion steering assembly mounted on a vehicle chassis, verifying the specific installation details of the housing mounting hole position and tie rod travel angle. This improves the accuracy of the rack and pinion steering assembly mounting hole position and tie rod travel angle, reducing the risk of interference and insufficient steering wheel travel. Consequently, it effectively increases the product's pass rate, reduces negative feedback in the market, and improves customer satisfaction. The effect is significant and the device is highly practical. Attached Figure Description

[0012] To more clearly illustrate the solutions in this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0013] Figure 1 This is a three-dimensional structural schematic diagram of the device for detecting the steering gear mounting hole and tie rod stroke angle according to this utility model;

[0014] Figure 2 for Figure 1 A three-dimensional structural diagram of the inner ball joint positioning plate of the detection device in the image;

[0015] Figure 3 This is a schematic diagram illustrating the use of the steering gear mounting hole and tie rod stroke angle detection device of this utility model;

[0016] Figure 4 for Figure 3 A schematic diagram of the detection device in the image, showing another perspective;

[0017] Figure 5 for Figure 3 A schematic diagram of the detection device in the image, showing another perspective;

[0018] The markings in the diagram are explained as follows: 10. Second housing support; 2. Main base plate; 21. Connecting plate; 211. Connecting flange; 212. Flange through hole; 3. Measuring pin support; 4. Inner ball joint positioning plate; 40. Positioning frame; 401. Connecting hole; 41. Positioning straight groove; 42. Positioning inclined groove; 5. First housing support; 6. Third positioning pin; 7. First positioning pin; 8. Positioning mandrel; 9. Second positioning pin. Detailed Implementation

[0019] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0020] As shown in Figure 1 The steering gear mounting hole and the detection device of the pull rod stroke angle comprises a transversely arranged main base plate 2, which is provided with a pair of longitudinally arranged inner ball joint positioning plates 4, and the edges of the main base plate 2 are provided with a longitudinally arranged first housing support 5 and a second housing support 10, the arrangement direction of the first housing support 5 is perpendicular to the inner ball joint positioning plate 4, and both ends of the main base plate 2 are provided with a measuring pin support seat 3,

[0021] The inner side wall of the first housing support 5 is provided with a third positioning pin 6 and a first positioning pin 7, and the inner wall of the second housing support 10 is provided with a positioning core shaft 8 and a second positioning pin 9.

[0022] As shown in Figure 2 The inner ball joint positioning plate 4 comprises a square positioning frame 40, the bottom of the positioning frame 40 is provided with a pair of connecting holes 401, the top center of the positioning frame 40 is provided with a positioning straight groove 41, and both sides of the positioning straight groove 41 are provided with a positioning inclined groove 42.

[0023] It should be noted that the included angle between the positioning straight groove 41 and the positioning inclined groove 42 is 30°.

[0024] In addition, the main base plate 2 comprises a pair of separable connecting sub-plates 21, the ends of the connecting sub-plates 21 are provided with connecting flanges 211, and the connecting flanges 211 are provided with flange through holes 212.

[0025] The working mode of the steering gear mounting hole and the detection device of the pull rod stroke angle will be described below.

[0026] As shown in Figures 3 to 5 The housing mounting hole of the assembled steering gear assembly S is aligned with the third positioning pin 6 and the first positioning pin 7 on the first housing support 5, and is aligned with the second positioning pin 9 on the second housing support 10. Then, the pull rod K is placed into the corresponding positioning straight groove 41 of the inner ball joint positioning plate 4, and the joint head assembly P is inserted into the measuring pin support seat 3. Then, the positioning core shaft 8 is screwed into the corresponding mounting point on the housing of the steering gear assembly S, and the installation is completed.

[0027] During testing, the pull rod K is swung, so that the steering gear assembly S swings to the orientation of the two positioning inclined grooves 42, and if there is no obvious shifting or misplacement, the steering gear assembly S is qualified.

[0028] The detection device for the installation hole of the steering gear and the stroke angle of the pull rod simulates the working condition of the rack and pinion steering gear assembly installed on the chassis of the vehicle, can verify the specific installation condition of the position of the housing installation hole and the stroke angle of the pull rod, improve the accuracy of the position of the housing installation hole and the stroke angle of the pull rod of the rack and pinion steering gear assembly, reduce the risk of interference and insufficient stroke of the steering wheel, thereby effectively improving the qualified rate of the product leaving the factory, reducing the negative feedback in the market, improving the satisfaction of the customers, and the effect is obvious and the practicality is strong.

[0029] Obviously, the above-described embodiments are only part of the embodiments of the present application, not all the embodiments, the preferred embodiments of the present application are shown in the drawings, but do not limit the patent scope of the present application.

Claims

1. A device for detecting the steering knuckle mounting hole and tie rod stroke angle, characterized in that, The steering gear mounting hole and pull rod stroke angle detection device comprises a transversely arranged main base plate (2), a pair of longitudinally arranged inner ball joint positioning plates (4) are arranged on the main base plate (2), a longitudinally arranged first housing support (5) and a second housing support (10) are arranged on the edge of the main base plate (2), the arrangement direction of the first housing support (5) is perpendicular to the inner ball joint positioning plates (4), measuring pin support seats (3) are arranged at both ends of the main base plate (2), A third positioning pin (6) and a first positioning pin (7) are arranged on the inner side wall of the first housing support (5), and a positioning mandrel (8) and a second positioning pin (9) are arranged on the inner wall of the second housing support (10).

2. The steering gear mounting hole and pull rod stroke angle detection device according to claim 1, wherein The inner ball joint positioning plate (4) comprises a mouth-shaped positioning frame (40), a pair of connecting holes (401) are arranged on the bottom of the positioning frame (40), a positioning straight groove (41) is arranged at the center of the top of the positioning frame (40), and positioning inclined grooves (42) are arranged on both sides of the positioning straight groove (41).

3. The steering knuckle hole to drag link travel angle sensing device of claim 2, wherein, The included angle between the positioning straight groove (41) and the positioning inclined groove (42) is 30°.

4. The steering knuckle hole to drag link travel angle sensing device of claim 1, wherein, The main base plate (2) comprises a pair of separable connecting sub-plates (21), connecting flanges (211) are arranged at the ends of the connecting sub-plates (21), and flange through holes (212) are arranged on the connecting flanges (211).