A hob outer diameter measuring fixture

Abstract

The utility model discloses a kind of hob outer diameter measuring fixed devices, it is related to hob measuring technical field, including boss, horizontal sliding slot is set in boss top surface center, and multiple scale grooves are set in boss top surface one side, horizontal sliding plate is slidably connected in the boss interior, and horizontal sliding plate top surface one side is fixedly connected with measuring scale, measuring scale one side bottom end is fixedly connected with horizontal pointer, the utility model is before being fixed to hob, need anticlockwise rotate knob, utilize double thread rod and tighten multiple arc limit plate, subsequently hob is sleeved in multiple arc limit plate outside, knob reverse rotation makes arc limit plate open, while the force exertion characteristic that tension spring continues to expand outward, make rubber coating always keep uniform pressure with hob inner wall, form friction, while, the locking strength of double thread rod is effectively enhanced by wedge-tight effect generated by thread inclined surface after the symmetrical thread structure of double thread rod is locked after knob stop.

Images