Prevent be injured ailing hammer

The utility model relates to a hammer, more specifically the prevent be injured ailing hammer that says so, the tup in the device can be changed, and when avoiding the long device time to use, the tupis impaired to cause that whole hammer is unable to be used, hammer handle in the device can separate with the hammer block subassembly, can the economy system when not using place the space, the device can temporarily be fixed the iron nail on the hammer block subassembly, need not handly during the ailing, and the hand is be injured when avoiding people's ailing. The hammer block subassembly include hammer block, pin fin groove, erect sand grip, pin fin kicking block and hammer handle connected piece, the left end fixedly connected with pin fin kicking block of hammer block is provided withthe pin fin groove on of pin fin kicking block left end, the front end and the rear end of hammer block left end all are provided with two perpendicular sand grips, the lower extreme of hammer blockis provided with the hammer