Improve high strength of structure and execute blockade

The utility model relates to a tool to lock field, in particular to improve high strength of structure and execute blockade, including hasp, locking piece, slider, lock core and pin, the hasp is the Jtype, its circular arc section that has included short straight section, long straight section and connected short straight section and long straight section, the slider cover is established on longstraight section and is constituted sliding fit with it, and the locking piece is connected on the slider, the locking piece is equipped with a locking part, has seted up a plurality of accent knothole along its length direction on the long straight section, and the lock core imbeds in slider and locking piece, and the lock core and locking piece threaded connection, the inside circular slot thatis equipped with of lock core, the inside jump ring that is equipped with of circular slot, the front end of pin is equipped with the draw -in groove with jump ring matched with, and the pin passes anaccent knothole on slider a