Waist rotating mechanism
The present disclosure provides a waist rotating mechanism. The waist rotating mechanism includes: a back connection structure ( 10 ), where the back connection structure ( 10 ) is configured to connect to the back of a user, and a mobile apparatus ( 11 ) is disposed on the back connection structure ( 10 ); and a rail ( 20 ), where the mobile apparatus ( 11 ) is disposed movably on the rail ( 20 ). The waist rotating mechanism of the present disclosure enables the user to complete a waist rotation action by rotating the waist to slide the mobile apparatus on the rail, and has a simple structure and high flexibility.
1. A waist rotating mechanism comprising:
a back connection structure configured to connect to a back of a user;
a rail disposed on a bottom portion of the back connection structure, the rail having a polygonal-shaped cross-section;
a pair of sliding blocks movably disposed on the rail and symmetrically disposed with respect to a center line of the back connection structure, each sliding block comprising a mounting hole through which the rail passes, wherein a cross-section of the mounting hole matches the polygonal-shaped cross-section of the rail; and
a pair of buffering and resetting apparatuses, each buffering and resetting apparatus comprising a first terminal and a second terminal, wherein the first terminals are respectively connected to the rail at a pair of connection locations, the pair of connection locations being symmetrically disposed with respect to a center line of the rail, and wherein the second terminals are respectively connected to the pair of sliding blocks.
2. The waist rotating mechanism according to claim 1 , wherein the rail is an arc-shaped sliding rail.
3. The waist rotating mechanism according to claim 1 , wherein a pair of connection lug bosses is respectively disposed at the pair of connection locations and respectively hinged to the first terminals, and wherein the second terminals are respectively hinged to the pair of sliding blocks.
4. The waist rotating mechanism according to claim 1 , wherein a pair of limiting protrusions is symmetrically disposed on the rail, and the pair of limiting protrusions is configured to respectively limit movement of the pair of sliding blocks.
5. The waist rotating mechanism according to claim 1 , wherein each buffering and resetting apparatus is a spring.
6. The waist rotating mechanism according to claim 5 , wherein the spring is a gas spring or a hydraulic spring.