Importance

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Abstract

Disclosed is an automatic circulation binder, comprising a housing (1), a pair of pivotable hinged plates (2) which are located in the housing (1) and are tightly clamped by the housing (1), and multiple pairs of half ring elements (3) respectively fixed on the pair of hinged plates (2), wherein the half ring element (3) extends out of an upper surface of the housing (1); the automatic circulation binder also comprises a push rod (4) which is located in the housing (1) and capable of moving in an axial direction of the housing, the push rod (4) is located below the hinged plates (2), and a first through groove (5) and a second through groove (6) are successively provided on the push rod (4) from the left to the right in the axial direction of the housing, wherein an automatic rotation push rod locating sleeve (7) is provided in the first through groove (5) and an upper end of the automatic rotation push rod locating sleeve (7) is fixedly connected to an inner surface of the housing (1), a return spring (8) is provided in the second through groove (6), and the return spring (8) is connected to the hinged plates (2); and a plurality of ejection strips (9) are provided on the upper end of the push rod (4), through grooves (10) are correspondingly provided on the hinged plates (2) such that the ejection strips (9) penetrate through the through grooves (10), and snap grooves (11) matched with the front end of the ejection strips (9) are also located on the inner surface of the housing (1). The automatic circulation binder has a simple structure, and a circulating process of opening and closing can be completed by means of circular pushing with one hand, and the operation is comfortable, easy, and convenient, the usage costs are reduced, and the market demands are met.

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First Claim