The abstract of this patent is attached:
A double-sided external tooth spoon blade idling lock 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 spacer is arranged in the accommodating chamber, so that at least one blade slot is divided in the accommodating chamber. The blade group and the lock container The side wall of the lock liner above the blade groove is axially provided with an accommodating groove opposite to the accommodating groove of the rotating sleeve side wall, the middle part of the spacer is provided with a keyhole, the upper end surface of the spacer is provided with a groove corresponding to the accommodating groove of the lock liner, and a lower pin strip is arranged in the accommodating groove of the lock liner, the lower end surface of the upper pin strip abuts against the upper end surface of the lower pin strip, and the shape of the lower end surface of the lower pin strip is matched with the blade groove. The utility model does not need to precisely process each blade slot one by one, which saves processing time, has high efficiency and low cost.