Cam push rod for carbon-free trolley fine adjustment structure

The utility model discloses a cam push rod for a fine adjustment structure of a carbon-free trolley, which is integrally T-shaped, a straight rod end is connected with a roller through a nut II, the roller is in contact with a cam, the head of the push rod is a cuboid with a sliding chute, one end of a pin shaft penetrates through the sliding chute on the head of the push rod, and the pin shaft isfixed by a nut I; meanwhile, the other end of the rocker penetrates through a hole in the rocker. One end of the pin shaft is provided with a check ring, the other end of the pin shaft is provided with external threads, and the threaded end extends out of the sliding groove and is matched with the first nut to lock the pin shaft on the sliding groove in the push rod head. The cam push rod is simple in structure, the sliding groove and the locking mechanism are additionally arranged on the cam push rod used for transmission, so that the cam push rod has a fine adjustment function, a user can finely adjust a trolley, a