Adjustable retractor part 1

Claims

1、The adjustable retractor includes a mounting frame on which a tape winding shaft is rotatably arranged, one end of the tape winding shaft is connected with a coil spring, and both sides of the tape winding shaft are connected with Ratchet, a swinging member is arranged on the mounting frame, the swinging member is connected with the first elastic reset member, and the swinging member is provided with a convex part that can cooperate with the two ratchets to be pressed, and it is characterized in that it further comprises A limit swing arm, the middle part of the limit swing arm is hinged on the swing piece, a first spring is tightly pressed between one end of the limit swing arm and the swing piece, and the swing piece is provided with a A limit protrusion against which the limit swing arm is opposed, the mounting bracket is arranged in an outer casing, and an adjustment bolt is screwed on the outer casing, and the adjustment bolt can be pressed against the limit swing arm.

2、The adjustable retractor according to claim 1, wherein the first elastic restoring member is a first torsion spring, and one end of the first torsion spring is connected to the first connection hole opened on the swing member , and the other end is connected with the second connection hole opened on the mounting frame.

3、The adjustable retractor according to claim 1, wherein the outer casing comprises a casing body, the casing body is provided with a flip cover, and one end of the flip cover is provided with cylindrical inserts on the left and right sides, Both the housing body and the mounting frame are provided with insertion holes through which the cylindrical insert blocks pass.                                             .