US 12,674,482 B2Granted

Fast and simple expansion bolt

AssigneeJiangsu Sunwell Cabinetry Co., Ltd.

InventorsJianyun Xiao, Jianwei Weng, Jianmin Qi

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Abstract

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.

Claims10

Dependent claims

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.

9 more elements

Dependencies are inferred from the claim text.