Back door adjustment inner clearance detection device

By designing an internal clearance detection device for the rear door of a car, and inserting the plug into between the rear door and the bumper, the problem of the existing detection methods requiring the removal of parts is solved, efficient and non-destructive detection is achieved, and batch inspection is supported.

CN222703985UActive Publication Date: 2025-04-01CHINA FAW CO LTD
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Patent Information

Application Number
CN202421377771.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-17
Publication Date
2025-04-01
Estimated Expiration
2034-06-17

AI Technical Summary

Technical Problem

The existing method of interior clearance detection of automobile back doors requires the removal of the assembly parts, which consumes labor time and loses parts, and cannot conduct batch inspection of the same vehicle model.

Method used

A back door adjustment inner gap detection device is designed, and the insert is inserted between the back door and the bumper through the plug. There is no need to remove the assembly parts during inspection. The inner gap deviation is deduced in reverse by using the markings and scales on the plug to determine the adjustment range.

Benefits of technology

It realizes that the gap deviation in the back door can be detected without removing the assembly parts, improves the detection efficiency, and supports batch inspection of the same vehicle model.

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Abstract

The utility model belongs to the field of automobile detection technology, and discloses a rear tailgate adjustment inner gap detection device, which includes a body and an insert, the body has a reference side surface, the insert is arranged on the reference side surface, the insert protrudes in a direction away from the reference side surface, the lower end surface of the insert is arranged at an angle with the reference side surface, and the lower end surface of the insert and the reference side surface are smoothly transitioned, so that the insert can be inserted between the rear tailgate and the bumper, and the lower end surface of the insert and the reference side surface are fitted to the outer contour of the bumper. Through the above structure, during detection, it is only necessary to insert the insert into the gap between the rear tailgate and the bumper, and the lower end surface of the insert and the reference side surface are fitted to the outer contour of the bumper, so that the inner gap deviation can be obtained by the degree of insertion of the insert into the rear tailgate, so that for a type of vehicle, only the same inspection tool is needed to complete the inspection in batches, and there is no need to remove the assembly parts near the rear tailgate during inspection, thereby improving the inspection efficiency.
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