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Application filed by Simplo Technology Co LtdfiledCriticalSimplo Technology Co Ltd
Priority to TW98207366UpriorityCriticalpatent/TWM371395U/en
Publication of TWM371395UpublicationCriticalpatent/TWM371395U/en
A hinge structure includes a holder, a first cam and a second cam. A shaft pierces through the holder and the two cams. The first cam is connected with the holder and the second cam is engaged with the first one. The contact surfaces of the two cams respectively have a first and a second recess for containing lubricating material. When the first cam rotates in certain degree to have the two recesses communicate with each other, the two recesses approximately form an X-shape, a V-shape or a U-shape.