Vehicle-free clutch cover with inner cavity pull-type structure

The utility model discloses a car-free clutch cover with an inner cavity pull-type structure. The car-free clutch cover comprises an inner cavity (1), a supporting ring (5), a diaphragm spring (6) and a clutch cover assembly (7), wherein the supporting ring (5), the diaphragm spring (6) and the clutch cover assembly (7) are respectively assembled with the inner cavity (1); wherein the inner cavity (1) comprises a bearing area (2) and a side wall area (3); the side wall area (3) is arranged on one side of the bearing area (2), and the side wall area (3) is provided with steps; and a support ring groove (4) is arranged at the joint of the bearing area (2) and the side wall area (3). The structure is simple and convenient, the design is accurate and reasonable, under the condition that the groove is pressed out at a time, it can be ensured that the groove clamps the supporting ring, when the supporting ring makes contact with the diaphragm spring, looseness is avoided, product precision is improved, production e