Spanner

The utility model discloses a spanner, including the spanner body, rivet, ejector pin, sleeve, spring, wherein, terminal surface special -shaped groove phase -match is covered with hitting the needle to spanner body head gabarit, for the spanner locating surface, the rivet plays direction and the effect of restriction stroke at guide way both ends through on the ejector pin and sleeve riveting, ejector pin when stretching out and drawing back in the sleeve, the hole phase -match is gone up with bolt body to ejector pin and sleeve head diameter for fix a position when dismantling bolt body, the spring housing is on the ejector pin, and the effect makes the ejector pin during operation reset and gets into in the bolt body locating hole. The utility model discloses can use an instrument to play not only can realize the rigging position proposition of bolt body follow or packs into but also can realize hitting the effect that the needle lid took off. 本实用新型公开了种扳手，包括扳手体、铆钉、顶杆、套筒、弹簧；其中，扳手体头部外廓与击针盖端面异形槽相匹配，为扳手定位面；铆钉在