Wall nail puller containing triangle fixed knot constructs

The utility model belongs to the technical field of the nail puller, concretely relates to wall nail puller containing triangle fixed knot constructs, include base, lower support arm, go up support arm, lead screw, back timber and crossbeam. The utility model discloses it has following advantage to compare prior art: nail puller below is constructed the nail fixedly by triangle -shaped fixed knot, the gear structure meshing of support arm top cooperates with lead screw structure between two hinge pins on the rethread, shortens the distance of lead screw between two hinge pins to make the back timber keep away from the base, make the relative base outwardly strutting's of back timber power carry over the nail out of from the wall body, reach and do not destroy the wall and can play the effect of play with the nail, total convenient to use, application scope is wide, is suitable for and uses widely. 本实用新型属于起钉器技术领域，具体涉及种包含三角固定结构的墙面起钉器，包括底座、下支撑臂、上支撑臂、丝杆、顶梁和横梁。本实用新型相比现有技术具有以下优点：起钉器下方由三角形固定结构将钉子固定，再通过上支撑臂上方的齿轮结构啮合与