| 摘要 |
The present invention relates to a connection device including a plug unit (P) which has a connector plug (3) provided at an end portion of a signal cable and a receptacle unit (R) in which the plug unit (P) is inserted, the connection device comprising the plug unit (P) which has an unlocking member (4) supported on an outer circumferential surface of the connector plug (3) so as to be movable in the axial direction of the cable (2) and having a knob portion (12) mounted thereon, and the receptacle unit (R) in which the plug unit (P) can be inserted and removed, wherein a lock member (5) housed in the receptacle unit (R) and adapted for being engaged with the connector plug (3) to lock the plug unit (P) is controlled by movement of the unlocking member (4) in the axial direction of the cable (2) via a cam portion (40) (41) provided on an outer circumferential surface of the unlocking member (4), thus locking and unlocking the connector plug (3) inserted in the receptacle unit (R).
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