A detection tool for the ball center distance of a ball socket of an automobile suspension component

Abstract

The utility model relates to a kind of detection tool of automobile suspension component ball socket ball center distance, including the bottom plate of the positioning seat of installation product, the fixed seat of installation dial gauge and the mounting seat of detection pin, the detection pin includes the ball head matched with the ball socket size of standard part, the dial gauge is used to measure the change value of the detection pin in ball socket axial direction and horizontal plane X, Y direction respectively.The ball center of the ball socket is automatically matched by spring ejection detection pin, the reference surface of X, Y and axial direction is extended outwards by the detection pin through extension column and mounting seat to measure.The measured value of the product to be detected is read and compared after the reference value of X, Y and axial direction is set by standard part, without accurate measuring equipment such as three-coordinate measuring instrument, whether the product to be detected is qualified can be quickly judged, and the quality inspection speed is improved.

Description

Technical Field

[0001] This utility model belongs to the technical field of ball center distance detection tooling, and in particular relates to a tooling for detecting the ball center distance of an automotive suspension component. Background Technology

[0002] A suspension system typically includes springs, shock absorbers, stabilizer bars, and various links and control arms. These components work together to absorb impacts from uneven road surfaces and maintain wheel contact with the ground, ensuring driving comfort and vehicle handling. The control arms are crucial components connecting the wheels and the vehicle body, playing a vital role in vehicle stability and safety. As part of the suspension system, one of the main functions of the control arms is to transmit the forces and torques acting on the wheels to the vehicle body, thereby ensuring vehicle stability during driving.

[0003] The control arm needs to be installed within the ball-and-socket structure of the suspension, making it a crucial component of the automotive suspension system. The ball-and-socket structure requires high precision in its center dimensions, comes in various types, and its location is difficult to pinpoint. Using conventional inspection methods is either time-consuming, costly, and inefficient, or suffers from poor repeatability and low accuracy, making it impossible to quantify the center-to-socket distance deviation, thus unsuitable for dimensional inspection in mass production. Traditionally, the inspection of the center-to-socket distance in assembled ball-and-socket structures has been limited to numerical conversion after coordinate measuring machine (CMM) inspection. This conversion process is prone to errors, cumbersome, inefficient, and costly. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a testing fixture for the ball-and-socket center distance of automotive suspension components, which is suitable for the dimensional inspection of the ball-and-socket center distance of automotive suspension components during mass production, and can quickly determine whether the product is qualified.

[0005] The technical solution adopted by this utility model to solve its technical problem is as follows: A testing fixture for the ball-and-socket distance of an automotive suspension component is provided, including a base plate. The base plate is provided with a positioning seat for fixing the product or standard part to be tested, a fixing seat for fixing a dial indicator, a testing pin, and a mounting seat for installing the testing pin. The testing pin includes a ball head that matches the size of the ball socket of the standard part and an extension post coaxial with the ball socket and extending outward from the open end of the ball socket. The extension post includes a first post and a second post coaxially arranged. The first post is connected to the ball head and has an outer diameter larger than the second post. The second post is fitted with a spring. The mounting seat is provided with a ball socket corresponding to the size of the standard part. A coaxial mounting groove is provided, with one end of the spring abutting against the bottom surface of the groove and the other end abutting against the end face of the first column. A probe of one of the dial indicators is coaxial with the ball socket and abuts against the end face of the second column to read the change value of the ball-socket center distance in the axial direction of the ball socket. The mounting base is fixed on the base, and the lower part of the base is provided with two guide rails arranged along the X and Y directions of the horizontal plane respectively. A cubic measuring block is fixed on the base, and the two perpendicular vertical planes of the measuring block are parallel to the X and Y directions respectively. The probes of two dial indicators abut against the two vertical planes respectively to read the change value of the ball-socket center distance in the X and Y directions.

[0006] Preferably, the upper part of the positioning seat is fitted with a sleeve that matches the position of the fixing hole on the surface of the product to be tested. The sleeve is equipped with a corresponding positioning pin. A clamp is provided on one side of the positioning seat. When the clamp is closed, it presses against the upper surface of the product to be tested.

[0007] Preferably, the mounting base has a pin hole, and the first column has a limiting groove extending axially along the ball socket. A limiting pin passes through the limiting groove, and both ends of the limiting pin are interference-fitted with the pin hole.

[0008] Preferably, the base plate is further provided with a storage seat for storing the standard part, and the storage seat has a storage groove that matches the shape of the standard part.

[0009] Preferably, the base is provided with handles on both sides.

[0010] Preferably, the base has four support legs at its bottom.

[0011] The beneficial effects are as follows: This application uses a spring to push out the detection pin to automatically match the center of the ball socket, and extends the detection pin outward through the extension column and mounting base to create reference surfaces for X, Y, and axial directions for measurement. Subsequently, after setting the reference values ​​for X, Y, and axial directions using standard parts, the measured values ​​of the product to be inspected are read and compared. This allows for rapid determination of whether the product to be inspected is qualified without the need for precise measuring equipment such as a coordinate measuring machine, thus improving quality inspection speed. Attached Figure Description

[0012] Figure 1 This is a three-dimensional view of a testing fixture for measuring the center-to-center distance of a ball joint in an automotive suspension component.

[0013] Figure 2 This is a cross-sectional view of a tooling for detecting the center distance between the ball and socket of an automotive suspension component.

[0014] Among them, 1-base plate; 2-positioning seat; 3-positioning pin; 4-insertion; 5-clamp; 6-locking nut; 7-clamp; 8-spring; 9-mounting seat; 10-limiting pin; 11-detection pin; 12-base; 13-guide rail; 14-measuring block; 15-dial indicator; 16-fixed seat; 17-standard parts.

[0015] The same markings in each diagram represent the same component. Detailed Implementation

[0016] The present invention will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims.

[0017] like Figure 1 As shown, this utility model provides a testing fixture for the ball-and-socket distance of an automotive suspension component. It includes a base plate 1, on which are provided a positioning seat 2 for fixing the product or standard part 17 to be tested, a fixing seat 16 for fixing a dial indicator 15, a testing pin 11, and a mounting seat 9 for mounting the testing pin 11. The testing pin 11 includes a ball head matching the size of the ball socket of the standard part 17 and an extension post coaxial with the ball socket and extending outward from the open end of the ball socket. The extension post includes a first post and a second post coaxially arranged. The first post is connected to the ball head and has an outer diameter larger than the second post. The second post is fitted with a spring 8. The mounting seat 9 contains a mounting bracket coaxial with the ball socket of the standard part 17. The spring 8 has one end abutting against the bottom surface of the mounting groove and the other end abutting against the end face of the first column. The probe of one of the dial gauges 15 is coaxial with the ball socket and abuts against the end face of the second column to read the change value of the ball socket center distance in the axial direction of the ball socket. The mounting base 9 is fixed on the base 12. The lower part of the base 12 is provided with two guide rails 13 arranged along the X and Y directions of the horizontal plane respectively. A cubic measuring block 14 is fixed on the base 12. The two perpendicular vertical planes of the measuring block 14 are parallel to the X and Y directions respectively. The probes of two dial gauges 15 abut against the two vertical planes respectively to read the change value of the ball socket center distance in the X and Y directions.

[0018] In one specific embodiment, the upper part of the positioning seat 2 is fitted with a sleeve 4 that matches the position of the fixing hole on the surface of the product to be tested. The sleeve 4 is equipped with a corresponding positioning pin 3. A clamp 5 is provided on one side of the positioning seat 2. When the clamp 5 is closed, it presses the upper surface of the product to be tested.

[0019] In one specific embodiment, the mounting base 9 is provided with a sleeve 7 at one end away from the standard part 17, and a locking nut 6 is provided at one end of the sleeve 7. The locking nut 6 is used to fix the dial indicator 15 for measuring the axial displacement value of the ball socket on the sleeve 7 and to fix it to the mounting base 9.

[0020] In one specific embodiment, the surface of the fixing base 16 has a fixing hole for clamping the dial indicator 15, and a clamping groove extending to the side of the fixing base 16 is provided on one side of the fixing hole. A locking bolt is provided perpendicular to the direction of the clamping groove. Tightening the locking bolt can fix the dial indicator 15 in the fixing base 16 by the fixing hole.

[0021] In one specific embodiment, the mounting base 9 has a pin hole, and the first post has a limiting groove extending axially along the ball socket. A limiting pin 10 passes through the limiting groove, and both ends of the limiting pin 10 are interference-fitted with the pin hole. The limiting pin 10 restricts the range of motion of the detection pin 11, preventing the spring 8 from being compressed and thus improving the service life of the spring 8.

[0022] In one specific embodiment, the base plate 1 is further provided with a storage seat for storing the standard part 17, and the storage seat has a storage groove that matches the shape of the standard part 17. This facilitates the quick placement and storage of the standard part 17 during use and prevents the corresponding standard part 17 from being lost.

[0023] In one specific embodiment, handles are provided on both sides of the base 12 to facilitate handling of the present invention. Four support legs are provided at the bottom of the base 12 to maintain the stability of the present invention.

[0024] In use, the standard part 17 is first fixed to the positioning seat 2 using clamps 5 and positioning pins 3. The open end of the ball socket is arranged obliquely downwards. The ball head of the detection pin 11 is fixed inside the ball socket by spring 8. At the same time, the extension post of the detection pin 11 is fixed to keep the mounting seat 9 and the base 12 fixed. At this time, three dial indicators 15 measure the X, Y and ball socket axial values ​​respectively and complete the zeroing. The standard part 17 is removed and replaced with the product to be tested. At this time, the three dial indicators 15 obtain new measurement values. The change in the reading is the deviation of the ball socket center from the ground. The measuring personnel can compare with the permissible value to determine whether the product to be tested is qualified.

Claims

1. A testing fixture for the ball-and-socket center distance of an automotive suspension component, comprising a base plate, characterized in that, The base plate is provided with a positioning seat for fixing the product or standard part to be tested, a fixing seat for fixing the dial indicator, a test pin, and a mounting seat for installing the test pin. The detection pin includes a ball head that matches the size of the ball socket of the standard part, and an extension post coaxial with the ball socket and extending outward from the open end of the ball socket. The extension post includes a first post and a second post coaxially arranged. The first post is connected to the ball head and has an outer diameter larger than the second post. The second post is fitted with a spring. The mounting base has a mounting groove coaxial with the ball socket of the standard part. One end of the spring abuts against the bottom surface of the mounting groove, and the other end abuts against the end face of the first post. The probe of the dial indicator is coaxial with the ball socket and abuts against the end face of the second post, used to read the change value of the ball-socket center distance along the axial direction of the ball socket. The mounting base is fixed on the base. The lower part of the base is provided with two guide rails arranged along the X and Y directions of the horizontal plane respectively. A cubic measuring block is fixed on the base. The two perpendicular vertical planes of the measuring block are parallel to the X and Y directions respectively. The probes of the two dial indicators are respectively abutted against the two vertical planes to read the change value of the ball-socket center distance in the X and Y directions.

2. The testing fixture for the ball-and-socket distance of an automotive suspension component according to claim 1, characterized in that, The upper part of the positioning seat is fitted with a sleeve that matches the position of the fixing hole on the surface of the product to be tested. The sleeve is equipped with a corresponding positioning pin. A clamp is provided on one side of the positioning seat. When the clamp is closed, it presses against the upper surface of the product to be tested.

3. The testing fixture for the ball-and-socket distance of an automotive suspension component according to claim 1, characterized in that, The mounting base has a pin hole, and the first column has a limiting groove extending axially along the ball socket. A limiting pin passes through the limiting groove, and both ends of the limiting pin are interference-fitted with the pin hole.

4. The testing fixture for the ball-and-socket distance of an automotive suspension component according to claim 1, characterized in that, The base plate is also provided with a storage seat for storing the standard part, and the storage seat has a storage groove that matches the shape of the standard part.

5. The testing fixture for the ball-and-socket center distance of an automotive suspension component according to claim 1, characterized in that, The base is equipped with handles on both sides.

6. The testing fixture for the ball-and-socket distance of an automotive suspension component according to claim 1, characterized in that, The base has four support legs at its bottom.

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