摘要 |
A rotating module includes a fixing member, a rotating member rotatably mounted on the fixing member, a swinging arm and a first elastic member. The swinging arm includes a first end and a second end. The first end is hinged to the rotating member, the second end is slidably and rotatably mounted to the fixing member. The first elastic member is fastened between the fixing member and the second end, the rotating member is rotated relative to the fixing member to drive the second end to slide on the fixing member to compress or release the first elastic member.
|