Hinge device and portable terminal

• Main Authors: YANG DAYE, DAI HUANG, HOU WENLIN
• Format: Patent
• Language: Chinese; English
• Published: 15.08.2012
• Subjects: BEARINGS; BLASTING; CALCULATING; COMPUTING; COUNTING; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRIC DIGITAL DATA PROCESSING; ELECTRICITY; ELEMENTS OR CRANKSHAFT MECHANISMS; ENGINEERING ELEMENTS AND UNITS; FLEXIBLE SHAFTS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; PHYSICS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; SHAFTS; TELEPHONIC COMMUNICATION; THERMAL INSULATION IN GENERAL; WEAPONS

The invention provides a hinge device and a portable terminal, wherein the hinge device is capable of opening and closing 360 degrees stably and smoothly. The hinge device comprises a first rotating central shaft and a second rotating central shaft, support plates, cams, cam engaging parts, press force applying devices, stopping parts and stopping blocks. The first rotating central shaft and the second rotating central shaft are supported by shafts in a mutually parallel manner, the first rotating central shaft and the second rotating central shaft are arranged on the support plates and are enabled to rotate optionally, the cams and the cam engaging parts are arranged on the first rotating central shaft and are applied with force by the press force applying devices, the stopping parts are arranged on and rotate with the second rotating central shaft integrally, and the stopping blocks are arranged on assigned positions of the support plates and correspond to the stopping parts of the second rotating central s