The utility model discloses a pistol connecting structure, which can realize the connection of a bolt, a
gun barrel and a grip of a pistol with a spiral rotation locking structure. The pistol is provided with a spiral rotation locking structure and comprises a sleeve, a pistol
barrel, a grip, a connecting shaft and a connecting body, a sleeve round hole and a counter-
recoil spring rod sliding hole are formed in the front end of the sleeve, a semicircular groove is formed in the middle of the sleeve and used for containing the pistol
barrel, and sleeve guide rail grooves are formed in the inner walls of the two sides of the rear end of the sleeve. A boss is radially arranged at the rear end of the
gun barrel; the front end of the
gun barrel is matched in the round hole of the sleeve; the upper end of the connecting body is provided with an arc surface matched with the gun
barrel, the arc surface is provided with a spiral groove, the spiral groove is matched with a boss on the gun barrel, and the two sides of the connecting body are provided with connecting body guide rail grooves; the connector is provided with an axial round hole, and the counter-
recoil spring
assembly is arranged in the axial round hole of the connector; the grip is provided with a front guide rail and a rear guide rail, the connector guide rail groove is in sliding fit with the front guide rail, the sleeve guide rail groove is in sliding fit with the rear guide rail, and the grip and the connector are matched and connected through a connecting shaft.