Disposable high-pressure radiography syringe

The disposable high-pressure radiography injector comprises an injection needle cylinder, a cylinder body is installed at the injection end of the injection needle cylinder, a horizontal plate is connected in the cylinder body, a through hole is formed in the middle of the horizontal plate, and the injection end of the injection needle cylinder can penetrate through the through hole. The end, extending to the position above the horizontal plate, of the injection end is connected with a connecting pipe, a sleeve is connected to the horizontal plate, a plurality of clamping parts are arranged on the inner side in the sleeve, and a dismounting and mounting assembly is further arranged in the cylinder. According to the utility model, the cylinder body is mounted at the injection end of the injection needle cylinder, the outer cylinder piece, the sleeve and the clamping parts are arranged in the cylinder body from outside to inside at one time, and the connecting part of the connecting pipe and the injection end i