Book sewing machine constructs

The utility model discloses a book sewing machine constructs, it includes the casing and sets up the terminal subassembly in the casing, has seted up at least one in the casing and has held the chamber, sets up the conductor that supplies the cable on the casing and penetrates the incoming line that holds the chamber, it keeps away from one side of incoming line and installs the commentaries on classics piece that a conductor through the cable drove its relative casing clockwise rotation to hold the intracavity, holding the chamber upper end and being provided with a fixture block, it has a lock wire spring to surround on the fixture block, and lock wire spring has to extend to to be changeed the piece terminal surface and drive its line ball arm that compresses tightly the conductor whenchangeing piece rotate clockwise, with the contact of terminal subassembly when the conductor compresses tightly. 本实用新型公开了种锁线机构，其包括壳体和设置在壳体内的端子组件，壳体内开设有至少个容纳腔，壳体上开设有供线缆的导体穿入容纳腔的进线口；容纳腔内远离进线口的侧安装有通过线缆的导体带动其相对壳体顺时针旋转的转块；容纳腔上端设置