Hook

The utility model discloses a hook, including the hook body, the crotch has on the hook body, be equipped with the extension board on the hook body, be equipped with vertical via on the extension board, it has mobilizable lifter to peg graft in vertical via, lifting rod end rotates the gyro wheel of installing magnet material, the gum cover has been cup jointed on this gyro wheel, still be equipped with compression spring between gyro wheel and the extension board, the gyro wheel presses bottom the crotch under compression spring's effect, be equipped with the arc wall corresponding with the gyro wheel on the crotch bottom, it has the magnetic sheet to inlay in the arc wall, the extension board tip is equipped with the wane button, be equipped with the drive hole on the lifter, wane buttonone end is alternated in the drive downtheholely. So just, reliable technological effect has realized string putting. 本实用新型公开了种挂钩，包括挂钩本体，挂钩本体上具有弯钩，在挂钩本体上设有支板，支板上设有垂直通孔，在垂直通孔内插接有可活动的升降杆，升降杆端部转动安装有磁铁材质的滚轮，该滚轮上套接有胶套，滚轮和支板之间还设有压