Fast latch mechanism of lift -draw style angle modulation

The utility model discloses a fast latch mechanism of lift -draw style angle modulation, including first articulated elements and second articulated elements, first articulated elements passes through hinge hinge with the one end of second articulated elements, the other end of first articulated elements is equipped with the circular arc notch that does not run through and the circular arc notch that runs through, and the interior bottom surface of the circular arc notch that does not run through is equipped with the tooth's socket, the other end of second articulated elements is equipped with the round pin axle, sells the epaxial retaining member that is equipped with, is equipped with the latch on the retaining member, is equipped with the spring between round pin axle and the retaining member, the retaining member is arranged in in the circular arc notch that does not run through, be equipped with the arch on the retaining member, the arch is passed the circular arc notch that runs through. Spring application the retaining member, latch and toothed grooves meshing with, carry and draw the arch, retaining member along epaxial the moving of round pin, latch and tooth's socket separation. Can realize locking behind manual angle regulation, the locking is reliable, convenience simple to use, and the application scenario is extensive.