Telescopic connecting rod component

The utility model discloses a telescopic connecting rod component, its characterized in that: including two connecting plates and two sets of link assembly, connecting plate parallel arrangement, linkto each other with the link assembly of centre, link member for having secondary rotation symmetry structure, link assembly include first connecting rod, second connecting rod and third connecting rod, first connecting rod and second connecting rod be the V style of calligraphy and connect, the tie point is the expansion end, first connecting rod and the other end of second connecting rod fix respectively on the connecting plate of both sides, third connecting rod both ends be the expansion end, one end links to each other with V style of calligraphy tie point, the other end is connected withthe connecting plate, still include the stopper, the stopper locate the connecting plate on, be located the rear end of third connecting rod along connecting plate moving direction. The utility modelprovides a plurality of tr