Mobile phone middle frame and machining method thereof

The invention discloses a mobile phone middle frame. The mobile phone middle frame comprises an outer frame body, a retaining groove which is formed in the inner side face of the outer frame body by machining, and an inner frame body which is formed in the outer frame body through die casting, where...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HUANG ZUOCHENG, SU YEJIAN, TAN YEPAN, LIU YUFEN, DUAN JUNLONG, LIU JIANYUAN, YANG HONGCHUN
Format:	Patent
Sprache:	eng
Schlagworte:	CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY PERFORMING OPERATIONS POWDER METALLURGY TELEPHONIC COMMUNICATION TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention discloses a mobile phone middle frame. The mobile phone middle frame comprises an outer frame body, a retaining groove which is formed in the inner side face of the outer frame body by machining, and an inner frame body which is formed in the outer frame body through die casting, wherein the retaining groove is of a dovetail groove structure being wider at bottom and narrower at the opening; the opening direction of the retaining groove and the outer frame body are at a certain inclination angle; and the inclination angle is between 15 degrees and 30 degrees. Through the application, the defect of inconvenience in machining of the retaining groove in the inner side face of the outer frame body in the prior art can be overcome effectively.