Fast and simple expansion bolt
The present disclosure discloses a fast and simple expansion bolt, including an expansion bolt main body, an expansion bolt locating line formed in an outer wall of a front end of the expansion bolt main body; a locating slot formed in the expansion bolt locating line; a rubber ring located on an outer wall of the expansion bolt main body; a tail seat and a locating ring located and mounted at a rear end of the expansion bolt main body; a pressing seat located in the tail seat; a locating column located on the pressing seat; a pressing handle movably arranged on the locating column; an adjustment pin arranged between the pressing handle and the locating column; and the expansion bolt main body is integrally formed with the expansion bolt locating line, the locating slot, the locating ring, and the tail seat through casting.
1 . A fast and simple expansion bolt, comprising: an expansion bolt main body, wherein an expansion bolt locating line is formed in an outer wall of a front end of the expansion bolt main body; a locating slot is formed in the expansion bolt locating line; a rubber ring is located on an outer wall of the expansion bolt main body; a tail seat and a locating ring are located and mounted at a rear end of the expansion bolt main body; a pressing seat is located inside the tail seat; a locating column is located radially within the pressing seat; a pressing handle is movably arranged on the locating column; and an adjustment pin is arranged between the pressing handle and the locating column;
wherein the expansion bolt main body is internally provided with a wear plate, an anticorrosion sheet, an antirust sheet, and a metal fiber sheet; the antirust sheet is located on a surface of the metal fiber sheet; the anticorrosion sheet is located on a surface of the antirust sheet; and the wear plate is located on a surface of the anticorrosion sheet.
2 . The fast and simple expansion bolt according to claim 1 , wherein the expansion bolt main body is integrally formed with the expansion bolt locating line, the locating slot, the locating ring, and the tail seat through casting.
3 . The fast and simple expansion bolt according to claim 1 , wherein the pressing handle and the locating column move with each other through the adjustment pin; and the pressing handle drives the expansion bolt main body to be pressed downwards and located.
4 . The fast and simple expansion bolt according to claim 1 , wherein the expansion bolt main body and the rubber ring are sealed and located through glue.
5 . The fast and simple expansion bolt according to claim 1 , wherein the wear plate, the anticorrosion sheet, the antirust sheet, and the metal fiber sheet are integrally formed through casting.
6 . The fast and simple expansion bolt according to claim 1 , wherein the expansion bolt main body is cylindrical; the expansion bolt locating line is formed by forming at least two annular slots on the outer wall of a front part of the expansion bolt main body; and radial depths of the annular slots gradually increase from back to front.
7 . The fast and simple expansion bolt according to claim 1 , wherein an expansion sliding hole running through from front to back is formed in a middle of the expansion bolt main body and a middle of the pressing seat; the locating column is mounted in the expansion sliding hole in a manner of sliding from front to back; and a truncated cone-shaped expansion head with a diameter gradually increasing from back to front is arranged at a front end of the locating column.
8 . The fast and simple expansion bolt according to claim 1 , wherein the locating slot is an elongated notch arranged in a front-back direction of the expansion bolt main body and having an opening in the front end; and the locating slot is communicated to the expansion sliding hole and an outer side of the expansion bolt main body in a radial direction of the expansion bolt main body.
9 . The fast and simple expansion bolt according to claim 1 , wherein the tail seat is in a truncated cone shape having a diameter gradually decreasing from back to front.
10 . The fast and simple expansion bolt according to claim 1 , wherein the pressing handle is hinged with the locating column via the adjustment pin; and a pressing cam cooperating with the pressing seat is arranged on the pressing handle at the adjustment pin.