Sealless vacuum suction cup

A vacuum suction cup without a sealing strip, including a body, a suction hole, a sealing nut, a suction pipe, an air groove, and a connecting groove, the inner side of the body is inlaid with a suction pipe, and one end of the suction pipe is threadedly connected with a suction hole , A sealing nut is threadedly connected to one side of the suction hole, a connecting groove is opened in the middle of the front side of the body, an air groove is opened near the edge on one side of the body, and one end of the suction pipe penetrates the middle of the connecting groove; By opening an air groove inside the body, a suction tube is inlaid inside the body, one end of the suction tube is threaded with a suction hole, the middle of the body is provided with a connecting groove, and one end of the suction tube penetrates the middle of the connecting groove, so that it can be used during use. The flatness error of its plate product processing can reach within 0.01mm.