Offset regulatable clamp

The utility model relates to an eccentric clamp, particularly an adjustable eccentric clamp. The utility model is provided with a transition disc, a seat rack, a rear pull rod, a pull disc and a T-shaped connecting block, wherein the seat rack is provided with an elastic clamping head, a positioning ring, a front pull rod, nuts and washers, and the nuts and the washers are arranged on the front pull rod; a radial eccentric adjustable mechanism is arranged between the transition disc and the seat rack; the seat rack, the elastic clamping head, the positioning ring and the front pull rod are concentric, and the seat rack, the elastic clamping head, the positioning ring and the front pull rod can be adjusted in the radial direction together with the T-shaped block along a positioning pin arranged on the transition disc during the adjustment. The elastic clamping head of the utility model and the seat rack form taper positioning, and the positioning accuracy is high; the elastic clamping head and the positioning ring are replacement parts, and accordingly, the utility model is suitable for the batch process of disc class parts of different eccentric degrees; as the utility model is matched with an automatic or semi-automatic machine tool, higher work efficiency can be realized.