Patent attributes
A holding module includes a body, two first holding members and a first rotating member is provided. The two first holding members are adjustably disposed at two opposite sides of the body along a first direction, and each first holding member includes a first clamping part and a first groove along a second direction. A nonzero angle is included between the first direction and the second direction. The first rotating member is pivotally disposed at the body and includes two separating first protrusions which are respectively protruding to the corresponding first grooves. When moving one of the first holding members, the corresponding first groove drives the first protrusion to rotate the first rotating member, in the meantime, the other first protrusion is driven to push the other first holding member, such that the two champing parts are close to or away from each other.