Mounting device for coupling sealing ring

The invention belongs to the technical field of sealing ring installation, and particularly relates to a coupling sealing ring installation device which comprises a base and further comprises an installation mechanism arranged on the surface of the base, the installation mechanism comprises an installation assembly, a push-off assembly and an extrusion assembly, the installation assembly is arranged on the surface of the base, and the push-off assembly is arranged on the surface of the base. The push-off assembly is arranged on the surface of the mounting assembly, and the extrusion assembly is arranged on the surface of the base and connected with the mounting assembly; the shape of the sealing ring is changed by pulling the movable clamping jaw, the sealing ring is pushed into the coupling sealing groove, and then the device is taken out, so that the sealing ring is mounted, the convenience of mounting the sealing ring is improved, meanwhile, the sealing ring can be prevented from sliding out of the first c