| 主权项 |
1. An outer operational device for a door lock, comprising, in combination:
a cover (20) including a space (200) delimited by a sidewall (20A), with a first guide pin (346) and a second guide pin (347) formed on the sidewall (20A), with the sidewall (20A) including a receiving portion (205) having an opening (208), with the sidewall (20A) further including an engaging hole (214), with the first and second guide pins (346, 347) located between the receiving portion (205) and the engaging hole (214), with the cover (20) adapted to be mounted to an outer side (10B) of a door (10); a spindle (191) pivotably received in the engaging hole (214) of the cover (20), with the spindle (191) including a coupling end (193) received in the space (200) of the cover (20); a handle (197) located outside of the cover (20) and fixed to the spindle (191), with the handle (197) and the spindle (191) jointly pivotable; an actuating member (36) received in the space (200) and mounted to the spindle (191), with the actuating member (36) and the spindle (191) jointly pivotable, with the actuating member (36) including a first end (360); a limiting plate (559) received in the space (200) and engaged with the second guide pin (347), with the limiting plate (559) including a wing (563); a sliding block (511) received in the space (200) and slideable along a first axis (X), with the sliding block (511) including first and second faces (517, 519), with first and second sliding grooves (525, 526) extending from the first face (517) through the second face (519) of the sliding block (511), with the first sliding groove (525) including a vertical section (527) extending along the first axis (X) and a horizontal section (528) extending along a second axis (Y) perpendicular to the first axis (X), with the sliding block (511) further including a leg (531) having an upper face (533) and a lower face (535) spaced from the upper face (533) along the first axis (X), with the first guide pin (346) of the cover (20) slideably extending through the vertical section (527) of the first sliding groove (525) of the sliding block (511), with the second guide pin (347) slideably extending through the second sliding groove (526) of the sliding block (511), with the limiting plate (559) located between the second face (519) of the sliding block (511) and the sidewall (20A) of the cover (20) along a third axis (Z) perpendicular to the first and second axes (X, Y), with the wing (563) of the limiting plate (559) aligned with the leg (531) of the sliding block (511), with the lower face (535) of the leg (531) abutting the first end (360) of the actuating member (36), with the lower face (535) of the leg (531) being pressed against by the first end (350) of the actuating member (36) when the actuating member (36) pivots, causing movement of the sliding block (511) from a lower position to an upper position along the first axis (X); a spring (571) having two ends respectively abutting against the wing (563) of the limiting plate (559) and the leg (531), with the spring (571) biasing the sliding block (511) from the upper position to the lower position; a locking member (541) slideably received in the horizontal section (528) of the first sliding groove (525) of the sliding block (511), with the locking member (541) including a block (543) having first and second ends (547, 549) spaced from each other along the second axis (Y), with the block (543) further including upper and lower faces (551, 553) extending between the first and second ends (547, 549) of the block (543), with a passage (554) extending from the upper face (551) through the lower face (553) of the block (543), with the block (543) having a side located outside of the horizontal section (528) of the first sliding groove (525) of the sliding block (511), with the locking member (541) movable between first and second positions along the second axis (Y); a push member (575) pivotably connected to the second guide pin (347) of the cover (20), with the push member (575) including first and second sides (577, 579) spaced from each other along the third axis (Z), with an opening (583) extending from the first side (577) through the second side (579) of the push member (575), with the opening (583) including first and second push faces (586, 588) spaced from each other along the second axis (Y), with a push groove (589) defined in the first side (577) of the push member (575), with the push groove (589) including first and second sidewalls (591, 593) facing each other, with the first sidewall (591) located between the second sidewall (593) and the first push face (586), with the second sidewall (593) located between the first sidewall (591) and the second push face (588), with the side of the block (543) of the locking member (541) received in the opening (583) of the push member (575), with the first end (547) of the locking member (541) abutting the first push face (586) of the push member (575), with the second end (549) of the locking member (541) abutting the second push face (588) of the push member (575), with the sliding block (511) located between the second side (579) of the push member (575) and the limiting plate (559) along the third axis (Z), with the locking member (541) moving between the first and second positions when the push member (575) pivots; a cylinder (26) mounted in the opening (208) of the cover (20), with the cylinder (26) including an actuator (272), with the actuator (272) adapted to pivot through operation by a key; a mover (42) pivotably mounted around the cylinder (26) and including an actuating bar (424) received in the push groove (589) of the push member (575), with the mover (42) further including a tab (422) operably connected to the actuator (272), with the push member (575) pivoting when the actuator (272) pivots; a connection member (595) slideably received in the space (200), with the connection member (595) including upper and lower ends (597, 601) spaced from each other along the first axis (X), with the connection member (595) further including first and second surfaces (603, 605) extending between the upper and lower ends (597, 601) of the connection member (595), with the connection member (595) movable between a push position and a releasing position along the first axis (X); a follower rod (615) including an end fixed to the connection member (595), with the follower rod (615) located above the upper face (551) of the locking member (541) when the sliding block (511) is in the lower position; a driving member (44) fixed to the first surface (603) of the connection member (595), with the driving member (44) including a pressing rod (442) adapted to be operatively connected to a latch (124) of a latch device (12) mounted to the door (10), wherein when the actuating bar (424) of the mover (42) presses against the first sidewall (591) of the push member (575) while the locking member (541) is in the first position, the second push face (588) of the push member (575) presses against the second end (549) of the locking member (541), moving the locking member (541) from the first position to the second position, and a position of the passage (554) of the locking member (541) along the second axis (Y) is aligned with a position of the follower rod (615) along the second axis (Y), wherein when the actuating bar (424) of the mover (42) presses against the second sidewall (593) of the push member (575) while the locking member (541) is in the second position, the first push face (586) of the push member (575) presses against the first end (547) of the locking member (541), moving the locking member (541) from the second position to the first position, and the position of the passage (554) of the locking member (541) along the second axis (Y) is not aligned with the position of the follower rod (615) along the second axis (Y), wherein with the locking member (541) in the first position, when the handle (197) is pivoted to move the sliding block (511) from the lower position to the upper position and compresses the spring (571), the locking member (541) presses against the follower rod (615) to move the connection member (595) from the releasing position to the push position, the pressing rod (442) is adapted to move the latch (124) from a latching position outside of the door (10) to an unlatching position received in the door (10), wherein with the locking member (541) in the second position, when the handle (197) is pivoted to move the sliding block (511) from the lower position to the upper position and compresses the spring (571), the passage (554) of the locking member (541) movably receives the follower rod (615), the connection member (595) remains in the releasing position without moving the pressing rod (442), the latch (124) is adapted to remain in the latching position.
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