Gas pressure regulator of integrated adjusting knob mechanism

The utility model relates to a gas pressure regulator of an integrated adjusting knob mechanism, which is characterized by comprising a screw cap with an adjusting rod, an adjusting nut and a spring. The center of the screw cap is fixedly connected with the adjusting rod, a beam is in pin connection with a front end head of the adjusting rod, and a long groove is arranged in the center of the adjusting nut. The gas pressure regulator has the advantages that with the gas pressure regulator of the integrated adjusting knob mechanism installed, extra adjusting tools are not needed to carry. The screw cap is screwed out directly, a head beam of the adjusting rod is inserted into the long groove of the adjusting nut, and adjustment can be conducted. Therefore, trouble of carrying tools is avoided, operation is enabled to be simpler, and efficiency of installation, debugging and maintaining processes of pressure regulators is greatly improved. An integrated adjusting knob can be applied to various devices used for