环形活页机构及纸张保持装置

Annular hinge mechanism and paper retaining device

Abstract

本实用新型公开了一种固定于封板的环形活页机构(210)及纸张保持装置,所述环形活页夹机构包括:上壳体(212),该上壳体(212)具有两个通孔(220)以及两个从壳体(212)垂下的侧裙板(228);由壳体(212)支撑的成对铰接的板(214);以及多个安装在板(214)上的成对的半环件(216),板(214)能够在打开状态和闭合状态之间枢转,在打开状态中,半环件(216)打开,在闭合状态中,半环件(216)闭合以形成多个闭合的环,每个通孔(220)仅通过铆钉(238)固定于封板(230),并且当环形活页机构(210)固定于封板(230)时,侧裙板(228)的至少一部分邻接封板(230)。
The utility model discloses an annular hinge mechanism (210) fixed on a seal plate and a paper retaining device. The annular hinge mechanism comprises an upper shell (212), plates (214) which are supported by the shell (212) and hinged in a paired manner and a plurality of paired semi-annular parts (216) mounted on the plates (214), wherein the upper shell (212) comprises two through holes (220) and two lateral skirt boards (228) hung on the shell (212), the plates (214) can pivot between an opening state and a closing state, the semi-annular parts (216) are opened in the opening state, and the semi-annular parts (216) are closed to form a plurality of closed rings in the closing state. Each through hole (220) is fixed on the seal plate (230) through a rivet (238). When the annular hinge mechanism (210) is fixed on the seal plate (230), at least one part of each lateral skirt board (228) is adjacent to the seal plate (230).

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