Patent ID: 8919386

Claim:
A clamping apparatus for stopping a tube, comprising: a main body, one end of the main body being formed as a sheath, another end of the main body being formed as a seat, the sheath and the seat defining an operation space, the sheath having a vertical hole, the hole communicating with the operation space, the seat being formed with an opening, the opening extending laterally and approaching a lateral side of the seat, the seat being formed with a positioning groove which extends circumferentially along a side wall of the opening, the positioning groove having a top wall and a bottom wall; a stopper, movably inserted through the hole, a plug being disposed on one end of the stopper; at least two holders each of which is interchangeable with the other for being slidably received in the positioning groove, one of the at least two holders being detachably and slidably disposed between the top wall and the bottom wall of the positioning groove.