Patent ID: 7047812
Filing Date: 2006-05-23
Classification: G01L

Abstract:
1. A pressure regulator with gauge embedded handle: wherein a valve chamber is disposed between a primary port and a secondary port in a valve main body, a main valve body in the valve chamber is biased by a valve spring toward a main valve seat, and biased away from the main valve seat by a pressure adjustment spring mounted between a feedback member and a pressure adjustment spring retainer, a pressure gauge is disposed in a handle having a cylindrical portion, and a feedback chamber disposed between the feedback member and the valve chamber is in communication with the pressure gauge via an introduction communication passage, and wherein a pressure adjustment guide is connected to an inside of the handle so as not to rotate relative to the handle, a cylindrical portion of a pressure adjustment screw is fitted to a bottom center hole of the pressure adjustment guide so that the pressure adjustment guide and the pressure adjustment screw are connected to, but do not rotate relative to each other, a male screw portion of the pressure adjustment screw is threadably engaged with a female screw portion of the pressure adjustment spring retainer, a gear D is fixed to the pressure gauge guide connected to the pressure gauge, a gear A having the same axis as the gear D is fixed to the valve main body, a support shaft is rotatably inserted into an insertion hole at a non-center position of a bottom portion of the pressure adjustment guide, gears C, B are engaged with the gears D, A, and the pressure gauge does not rotate relative to the valve main body when the handle is rotated.