Patent ID: 8939088
Filing Date: 2015-01-27
Classification: B61D,E05F,F16H,Y10T

Abstract:
1. A bottom door opening-closing mechanism, comprising a first connecting rod, a second connecting rod, a swing rod, a bottom door opening-closing drive cylinder and a transmission shaft, wherein the swing rod is hinged to the second connecting rod and a piston rod of the bottom door opening-closing drive cylinder, one end of the first connecting rod is hinged to the second connecting rod, the transmission shaft is connected to the second connecting rod, and a connection joint between the transmission shaft and the second connecting rod is located between a hinge point between the first connecting rod and the second connecting rod and a hinge point between the second connecting rod and the swing rod, and wherein a cylinder body of the bottom door opening-closing drive cylinder is fixedly connected with a first locking hook, and the swing rod is fixedly connected with a second locking hook, the second locking hook and the first locking hook are configured to be capable of catching with each other.