2results about How to "Guaranteed fastening force" patented technology

The utility model discloses an ophthalmic cavity instrument multi-channel cleaning frame, specifically relates to ophthalmic cavity instrument cleaning technical field is equipped with the connecting pipe, and the connecting pipe includes: rigid fixed head, is connected on the connecting pipe, and the faraway connecting pipe one end is equipped with the help suction connecting portion, is used for with the help suction hole detachable connection of injection suction handle, the elastic hose is equipped in the side of rigid fixed head, and the front end is equipped with perfusion connecting portion, is used for with the perfusion hole sealed connection of injection suction handle. The utility model through setting up rigid fixed head on the basis, the elastic hose is installed in the side, realizes the one side channel of cavity instrument and is fixed in rigid fixed head place, and the other side uses the butt joint of elastic hose and connects, realizes double channel simultaneous flushing, guarantees the cleaning effect of instrument cleaning, also reduces the manual work of staff, improves the work efficiency.

The utility model provides a diameter-expandable nylon rod pin which comprises a nylon rod body, and a through hole is formed in the axial center of the nylon rod body. The high-strength countersunk bolt comprises a countersunk end and a screw part, the diameter of the countersunk end is larger than the aperture of the through hole, the countersunk end is embedded into the counter bore in one end of the nylon rod body, and the screw part penetrates through the through hole; the countersunk head nut comprises a countersunk head groove, and the countersunk head nut is in threaded connection with the tail end of the screw rod part; the outer surface of the tail end of the countersunk nut and the end face of the end, away from the high-strength countersunk bolt, of the nylon rod body are coplanar. The diameter of the nylon rod pin can be expanded or shrunk within a certain range, so that the overall connection strength is improved, and different assembly size requirements are met.