Patent ID: 8807618

Claim:
A connecting device adapted for connecting a multifunctional box with a vehicle multimedia system, comprising: a shell for holding the multifunctional box having a first open end portion and a second end portion configured with an interface, via which the multifunctional box is electrically connected with the vehicle multimedia system in a releasable manner; a locking unit formed on at least a lateral side between the first open portion and the second end portion for releasably locking the multifunctional box; a release unit formed on the shell for releasing the inserted multifunctional box when pressed; and an ejecting assembly provided on an inner bottom surface or the shell having: a pushing plate movable in a direction in parallel with the lateral side, upon which the inserted multifunctional box is accommodated; at least a second elastic element connected between the inner bottom surface and a first portion of the pushing plate, the second elastic element being accommodated in a groove formed in the inner bottom surface, and the second elastic element being depressed when the multifunctional box is inserted into the shell, wherein the multifunctional box is formed with a groove portion, and the locking unit comprises: a locking plate having a first lateral side portion pivotably mounted on the lateral side and a horizontal projecting portion formed at a free end of the first lateral side portion extending horizontally into the shell for locking with the groove portion when the multifunctional box is placed in position; a first elastic element with an end being connected with the first lateral side portion and the other end being connected with the release unit which is elastically elongated when the release unit is pressed, wherein the release unit comprises: an unlocking plate which is movable along the lateral side with an end connected with the other end of the first elastic element; a pressing plate projecting out of the shell which is fixed with the unlocking plate.