| 摘要 |
<p>An anchor bolt for sheet material is composed of a nut(1), a screw rod (2)and an expansion part(3). The outer end of the screw rod(2) is provided with a screw thread section(21) and the inner end thereof is provided with a bolt head(22). The expansion part(3) comprises a flat gasket(31) and an expansion pipe(32). The expansion pipe(32) is provided with a slit(35) which facilitates expanding. The expansion part(3) is sleeved on the screw rod(2), and the inner end of the expansion pipe(32) is pushed against the screw head(22). The nut(1) is screwed on the screw thread section(21) and pushed against the flat gasket(31). The anchor bolt has simple structure and excellent anchoring effect.</p> |
