Attached is the abstract of the patent:
The invention relates to a double-sided external tooth spoon blade idling lock, which comprises a lock shell, a rotating sleeve, a blade group, a blade return spring and a lock container, and is characterized in that an accommodating chamber extending along the axial direction of the lock container and penetrating through the left and right side walls of the lock container is arranged in the accommodating chamber, and at least one gasket is arranged in the accommodating chamber, so that at least one blade slot is separated in the accommodating chamber; the side wall of the lock container above the blade slot is axially provided with an accommodating groove opposite to the accommodating groove of the rotating sleeve side wall; and the middle part of the gasket is provided with a lock. The upper end face of that gasket is provide with a groove corresponding to the contain groove of the lock liner, and a lower pin strip is arranged in the contain groove of the lock liner, and the lower end face of the upper pin strip abuts against the upper end face of the lower pin strip, and the shape of the lower end face of the lower pin strip is matched with the blade groove. The utility model does not need to precisely process each blade groove one by one, which saves processing time, has high efficiency and low cost.