Rotation mechanism and foldable mobile terminal

A rotation mechanism comprising:

• a rotation assembly having:
• a position member;
• a first rotation shaft, rotatably coupled to the position member;
• a second rotation shaft, rotatably coupled to the position member and separated from and parallel to the first rotation shaft;
• a distance between the first rotation shaft and the second rotation shaft remaining constant by the position member;
• a sliding member, disposed between the first rotation shaft and the second rotation shaft;
• the sliding member being moved along a direction parallel to an axis of the first rotation shaft by rotating the first rotation shaft and the second rotation;
• and
• a connection member, coupled to the sliding member;
• a base assembly having:
• a base body, coupled to the rotation assembly;
• a first slide base, slidably coupled to the base body;
• and
• a second slide base, slidably coupled to the base body, the second slide base and the first slide base being located at two opposite sides of the base body;
• and
• a connection assembly having:
• a first connecting member coupled to the connection member;
• a first triangle connecting member rotatably coupled to the first connecting member and the base body;
• a second connecting member coupled to the connection member;
• and
• a second triangle connecting member rotatably coupled to the second connecting member and the base body;
• wherein a corner of the first triangle connecting member is rotatably coupled to the first slide base, and a corner of the second triangle connecting member is rotatably coupled to the second slide base.