| 摘要 |
The invention provides a door locking device capable of improving assembling property of a spring. The door locking device comprises the following structures: a latch mechanism capable of clamping or disengaging with a striker (2); a locking mechanism provided with a link rod (41), the link rod can move to an unlocking position capable of operating the latch mechanism and to a locking position wherein the latch mechanism cannot be operated, and through the operation of a door handle in the unlocking position, the link rod can move to the motion position from a starting position, thereby releasing the striker from being clamped; a housing (11); a spring (60) configured on the support shaft (21) of the housing, one end of the spring is clamped on the housing, the other end of the spring is provided with a link rod clamping portion (63) for clamping the link rod, and the spring applies forces to the link rod (41) from the motion position to the starting position; a temporary keeping portion (26) overcoming the applied force of the spring (60) on a position opposite to the applied force direction of the link rod clamping portion on the housing, thereby temporarily keeping the link rod clamping portion on an assembling position capable of connecting the link rod. |
