Fixing device is caught to dog class

The utility model provides a fixing device is caught to dog class, include that fixed unit is caught on a left side, fixed unit and pivot are caught to the right side, a left side is caught fixed unit and is included left hand handle, half left neck ring and left pin joint portion, the right side is caught fixed unit and is included that right hand handle, half right neck ring and thuban meet the portion, the integrative half right neck ring that takes shape of front end of right hand handle sets up thuban and meets the portion between half neck ring on the right side and right hand handle, left side pin joint portion and thuban connect and set up the pivot between the portion, and then fixed unit is caught on a realization left side and the rotatable coupling between the fixed unit is caught on the right side, makes half left neck ring and half right neck ring closure or opens. The advantage does: (1 )Through using fixing device is caught to dog class, has the advantage of catching easily with fixed dog clas