Positioning and line clamping device capable of realizing buffering

A positioning and line clamping device capable of realizing buffering, comprising a connecting base, wherein a spool is fixedly mounted at an upper end of the connecting base, an upper end of the spool is sleeved with a force unloading adjusting knob, a sliding groove penetrates through an upper end of an outer side wall of the connecting base, and a buffering and positioning assembly matched with the sliding groove is mounted at a top end of an inner cavity of the connecting base;

• a groove is formed in the outer side wall of the connecting base and located at an outer end of the sliding groove, and an arc-shaped chamfer is formed in an edge of the groove;
• and
• the buffering and positioning assembly comprises a connecting shell, an outer side wall of the connecting shell is sleeved with a limiting groove formed in an upper surface of the inner cavity of the connecting base, a lower end of the connecting shell is sleeved with a fastening shell, an inner cavity of an connecting shell and an inner cavity of the fastening shell are sleeved with a spring, a through hole penetrates through a middle part of the connecting shell and a middle part of the fastening shell, an inner side wall of the through hole is sleeved with a fixed screw in threaded connection with a top surface of the limiting groove, an outer side wall of the fixed screw is sleeved with a batten, the batten is located at a lower end of the fastening shell and sleeved with the sliding groove, and a stopping block is fixedly mounted at an outer end of the batten and is sleeved with the groove.