Plumb bob for house building construction

The utility model discloses a vertical cone for house building construction. The plumb bob comprises a plumb bob body, a winding box is arranged above the vertical cone body; a wire winding shaft is rotationally connected into the wire winding box; a winding shaft is coaxially and fixedly connected to the exterior of the winding shaft; a pull rope is fixedly wound outside the winding shaft, the lower end of the pull rope penetrates through the winding box and is fixedly connected with the vertical cone body through a connecting piece, a traction mechanism used for pulling the pull rope is arranged in the winding box, and one end of the winding shaft rotationally penetrates through the winding box and is coaxially and fixedly connected with a rotating handle. The vertical cone is stably connected with the pull rope, and the winding box is uniform in winding. 本实用新型公开了一种房屋建筑施工用垂锥，包括垂锥本体，所述垂锥本体的上方设有卷线盒，所述卷线盒内转动连接有卷线轴，所述卷线轴外同轴固定连接有绕线轴，所述绕线轴外固定绕卷有拉绳，所述拉绳的下端贯穿卷线盒并通过连接件与垂锥本体固定连接，所述卷线盒内设有用于对拉绳进行牵引的牵引机构，所述卷线轴的一端转动贯穿卷线盒