Promote ware

The utility model provides a promote ware, it has stepped through hole to open on the body, and little diameter section's outer terminal surface has the binding off, the motion of the little diameter section of stepped through hole can be followed to step column pin, and passes when the tip of pin and close up when stretching out the body, and the step face of pin is blockked by the binding off, is fixed with locating part and stopping spare in proper order on the terminal surface of pin main aspects, and the shape of locating part and stopping spare is the same with stepped through hole's big diameter section, the material percentage elongation difference of locating part and stopping spare, electric ignition spare install between stopping spare and the big diameter section's of stepped through hole outer terminal surface, the electrode of electric ignition spare passes the separated time piece and stretches out the body, the big diameter section's of stepped through hole outer terminal surface through seale