Movable detection pin mechanism for automobile gauge

The utility model belongs to the technical field of automobile detection tools, and relates to a movable detection pin mechanism for an automobile detection tool, which comprises a fixed seat with a through hole and a detection pin with a guide section, the guide section can be inserted into the through hole, and a guide bushing is arranged in the through hole; the guide section is sleeved with amovable detection sleeve, the movable detection sleeve is provided with a hollow cylindrical main body, and the difference between the outer diameter of the main body and the inner diameter of the guide sleeve is two times of the maximum position tolerance. According to the movable detection pin mechanism, the movable detection sleeve can move in the tolerance range in the through hole of the fixed seat, so that the risk of breakage of the guide section of the detection pin during detection can be reduced. 本实用新型属于汽车检具技术领域，涉及一种用于汽车检具的活动检测销机构，包括具有穿孔的固定座和具有导向段的检测销，所述导向段能够插入穿孔，所述穿孔内设有导向衬套；所述导向段上套设有一个活动检测套，所述活动检测套具有一个空心圆柱形