| 摘要 |
The utility model relates to a pulley mechanism which comprises a pulley support, a hanging seat and at least one pulley, wherein the pulley is fixed on the pulley support, so that the pulley support can glidingly move; the hanging seat is connected with a door mechanism and connected with the pulley support through a fastening piece; the pulley mechanism further comprises regulating parts with external threads; a supporting part used for supporting the regulating parts is arranged on the pulley support or the hanging seat, internal thread through-holes are formed in the hanging seat or the pulley support, the regulating parts can be matched with the internal thread through-holes, and one end of each regulating part acts on the supporting part after the regulating part penetrates through the internal thread through-hole; and the relative position between the hanging seat and the pulley support can be adjusted through the fastening piece and the regulating parts. |
