| 摘要 |
PROBLEM TO BE SOLVED: To provide a door lock device of a waterproof door, capable of preventing water from leaking into an indoor side from a fitting part of a door lock.SOLUTION: A torque transmission unit 20 for transmitting rotation of an inner cylinder 12 of a cylinder lock 10 to a cylinder cam 53 of a door lock 50 is configured by: a sleeve 21; a torque transmission shaft 22 for transmitting the rotation of the inner cylinder 12 to the cylinder cam 53; and a cylindrical water stop cap 38 inserted in an indoor side end of a cylinder fitting hole 8, and having an outward flange 41 facing an indoor surface of a waterproof door provided on the succeeding side of the insertion direction thereof. O-rings 36, 40 are incorporated into respective fitting spaces between the sleeve 21 and the torque transmission shaft 22 and between the water stop cap 38 and the sleeve 21, and seal the fitting spaces respectively. The outward flange 41 of the water stop cap 38 is screwed to the waterproof door 3, and a packing 42 is incorporated between facing surfaces of the outward flange 41 and the waterproof door 3 to seal therebetween. |
