Strap tip structure

A strap tip structure, comprising:

• a positioning fastener member having a strap positioning space and comprising:
• a mainbody having an accommodating space;
• at least three clip members flexibly connected to the mainbody, wherein each of the at least three clip members is an arc plate and has an end portion, and the end portion is away from the mainbody;
• and
• an external screw structure disposed on an outer surface of the mainbody;
• wherein the positioning fastener member gradually expands along a direction from the mainbody to the end portion of each of the at least three clip members, the accommodating space and the at least three clip members define the strap positioning space, and the strap positioning space is for positioning a strap;
• and
• an outer cover detachably connected to the positioning fastener member, wherein the outer cover comprises an inner space and an inner screw structure, the inner screw structure is disposed on an inner surface of the outer cover, and the inner screw structure matches the external screw structure;
• wherein when the inner screw structure of the outer cover and the external screw structure of the positioning fastener member are screwed together, the positioning fastener member is accommodated in the inner space, and the end portion of each of the at least three clip members protrudes from the outer cover.