Tire assembly and disassembly auxiliary device

A tire assembly and disassembly auxiliary device comprising:

• a base frame for loading a tire including a main bar member extending in a longitudinal direction and two branch bar members, the main bar member being pivotally connected with a joint member capable of rotating about an imaginary axis which is parallel to the longitudinal direction, each of the branch bar members being provided with a front shaft seat at an end, a rear shaft seat having a rear wheel at an opposite end and a rotatable roller between the front shaft seat and the rear shaft seat, each of the rear shaft seats being provided with a connecting member capable of movably connecting to the main bar member and being selectively fixed to the main bar member through a positioning member;
• a handle having an end portion connected with the joint member in order to pivot relative to the main bar member via the joint member;
• and
• a restricting member selectively connected with the handle and the main bar member in order to fix the handle relative to the main bar member.