Cross reed rotating flexible hinge

Abstract

The invention discloses a rotary type flexible hinge of a crossed reed. The rotary type flexible hinge consists of an upper module (1), a lower module (2), an A connecting module (3), a B connecting module (4) and a C connecting module (5); an A reed (102) of the upper module (1) is connected with a D reed (203) of the lower module (2) through the A connecting module (3); a B reed (103) of the upper module (1) is connected with a C reed (202) of the lower module (2) through the B connecting module (4); the inner side of the B reed (103) is connected with the inner side of the C reed (202) through the C connecting module (5); and the upper module (1) and the lower module (2) have the same structure. Through the design that a plurality of the reeds are crossed in space and are not fixed in a cross point, the rotary type flexible hinge of the crossed reed reduces inner stress and prolongs the service life. The hinge rotates around a rotary axis; a rotating angle can reach over 10 degrees, which is called large deformation. When the deformation reaches 10 degrees, the excursion of the rotary axis is only below 10 mu m; and therefore, the hinge has high precision in rotation.

Description

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AI Technical Summary

Benefits of technology

This new type of spring used on this device has several advantages over existing designs that have been developed earlier or improved compared to previous versions. These improvements include reducing inner stresses from repeated use without being affected by external forces such as gravity, making it more durable against damage caused when bending through corners, increasing its flexibility while maintaining good accuracy due to their small sizes, allowing for larger movements even beyond one degree, and having an overall smaller footprint than older devices.

Problems solved by technology

This patented technical problem addressed by this patents relates to finding an efficient way for transmitting forces from one part (the flexure), while also allowing it to rotate freely when subjected to external loadings without causing wear on other parts like bearings due to contact during use.

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