Gas storage tank

The air storage tank comprises a tank body, a connecting threaded opening is formed in the side wall of the tank body, an end base is arranged outside the connecting threaded opening in a sleeving mode and fixed to the outer wall of the tank body, one end of the end base is connected with an installation block in a sliding mode, a connecting groove is formed in the surface of the end base, and the installation block is connected with the installation block in a sliding mode. One end of the mounting block extends into the connecting groove, and an assembling frame is fixed to the surface of the mounting block; by designing the end seat, the mounting block, the assembling frame, the adjusting stud, the adjusting block and the pressing block, the assembling frame provided with the pressing block is slidably mounted on the end seat through the mounting block, the pressing position of the pressing block is adjusted by rotating the mounting block, then the adjusting stud and the adjusting block are screwed in a thr