Fixing device of spring hinge folder

Abstract

A fixing device of a spring hinge folder comprises a folder body. An upper mounting hole and a lower mounting hole are formed in the folder body. Springs are arranged in the mounting holes respectively. The upper end of each spring is matched with a fixing hole of a fixing plate. The fixing device of the spring hinge folder is characterized in that two symmetrical clamping mechanisms used for fixing the springs are arranged on the fixing plate, each clamping mechanism comprises a first clamping hook, a clamping sheet and a second clamping hook, and the springs are wound around the first clamping hooks, the clamping sheets and the second clamping hooks in sequence. At the time of assembly, the upper ends of the upper group of springs and the lower group of springs penetrate through the fixing holes respectively; all the springs are wound around the first clamping hooks, the first clamping hooks clamp the springs, and then first frictional force is applied to the springs; the springs are wound around the clamping sheets, and then second frictional force is applied to the springs; finally, the springs are wound around the second clamping hooks, and then third frictional force is applied to the springs. The first clamping hooks, the clamping sheets and the second clamping hooks respectively clamp the springs, so that clamping and limiting are reliable, retraction of the springs is avoided, and it is guaranteed that all files are tightly overlapped.

Description

technical field [0001] The present invention relates to loose-leaf folders, and more particularly to a fastening device for spring-loaded binder folders. Background technique [0002] The fixing device of the existing spring folder includes a fixing plate, on which a fixing hole is opened, baffles are formed on both sides of the fixing plate, a chute is formed on the inner wall of the baffle, a sliding seat is arranged in the chute, and the bottom of the sliding seat is arc-shaped. When the spring passes through the perforation, the sliding seat is pushed, and the arc-shaped arch of the sliding seat presses the spring to limit the position of the spring. The disadvantage of this structure is that when browsing thicker documents, the document will be driven and fixed. plate, and the arc-shaped arch has limited frictional force on the spring, which causes the spring to retract, thereby making the file loose. Contents of the invention [0003] The purpose of the present inve...

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Problems solved by technology

[0002] The fixing device of the existing spring folder includes a fixing plate, on which a fixing hole is opened, baffles are formed on both sides of the fixing plate, a chute is formed on the inner wall of the baffle, a sliding seat is arranged in the chute, and the bottom of the sliding seat is arc-shaped. When the spring passes through the perforation, the sliding seat is pushed, and the arc-shaped arch of the sliding seat presses the spring to limit the position of the spring. The disadvantage of this structure is that when browsing thicker documents, the document will be driven and fixed. plate, and the arc arch has limited friction to the spring, causing the spring to retract, thereby loosening the document

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