The utility model discloses a
gas pressure regulating valve group which comprises a valve body, a communicating bin is arranged on one side of the valve body, a regulating device is arranged on one side of the communicating bin, the regulating device comprises a fixing
pipe, an output
pipe, a regulating sleeve, a regulating sleeve, a regulating hole, a regulating rod, a
control rod and a control sleeve, the regulating hole is formed in the side wall of the regulating sleeve, the regulating rod is arranged on the inner side of the regulating sleeve, and the control sleeve is arranged on the side wall of the regulating sleeve. The control sleeve is connected with the
control rod through threads, a
locking mechanism is arranged on the outer side of the output
pipe and comprises a shifting block, a shifting spring, a shifting sleeve, a clamping block, a linkage spring, a shifting rod, a shifting plate, a shifting hole, a limiting block, a round block and a clamping wheel, the two ends of the shifting spring are connected with the shifting block and the limiting block respectively, and the linkage spring is connected with the adjacent clamping block. The shifting rod is connected to one side of the shifting sleeve, the shifting hole is formed in the shifting plate, the round block is installed on the outer side of the output pipe, and the clamping wheel is installed on one side of the clamping block.