Dust proof structure for stress-sensible screw

摘要

A dust proof structure for a stress-sensible screw is provided. The dust proof structure includes a sensing screw, a head, a dust proof boot and a displayer. The sensing screw includes a base and at least one exposed lead, and the exposed lead is located in the base and transmits a stress signal. The head includes a lead base, the head is fitted with the base, and the exposed lead is detachably connected to the lead base. The dust proof boot is disposed on the head, and sleeves a connecting portion between the lead base and the exposed lead. The displayer is electrically connected w the had for displaying the stress signal.

主权项

1. A dust proof structure for a stress-sensible screw, comprising:
a sensing screw comprising a base and at least one exposed lead that is located in the base and transmits a stress signal; a head comprising a lead base and fitted with the base, wherein the exposed lead is detachably connected to the lead base; a dust proof boot disposed on the head and sleeving a connecting portion between the lead base and the exposed lead; and a displayer electrically connected to the head for displaying the stress signal; wherein the dust proof boot comprises a connecting portion, an expandable portion and a withstanding portion, and the connecting portion is connected to the head; when the head is fitted with the sensing screw. the expandable portion is expanded relative to the base, and the withstanding portion withstands a bottom of the base, thereby sleeving the exposed lead.