Patent ID: 7733643

Claim:
A digital player interface device with an exchangeable adapter, which comprising: an adapter, which is provided with a through hole for load-on/off of a digital player, and a first and a second engaging part provided, respectively, at both ends of said adapter; an adapter-fixing element, which comprises a guiding rib and a concavity on its lower surface; wherein a fixing spring is provided in the concavity; and a chassis having a guiding groove, a restriction groove and an adapter snapper provided on its top surface, wherein the guiding rib of an adapter-fixing element is slid in the guiding groove, the restriction groove is used for accommodating the fixing spring when the adapter-fixing element is at a home position, and the adapter snapper is used for snapping the second engaging part of the adapter when the adapter is placed on the chassis; wherein, when the adapter is sliding on the chassis, the adapter pushes the adapter-fixing element along the guiding groove, and the fixing spring is released from the restriction groove to engage the first engaging part of the adapter, wherein, when the adapter is removed from the chassis, the adapter-fixing element moves back to the home position.