| 摘要 |
A cover mounting structure of a waterproof box 1 which is composed of a container body 2 and a cover 3 to be mounted on an opening of the container body 2 . The container body 2 includes side walls in a double-wall structure composed of an inner wall 21 and an outer wall 20 , the inner wall 21 being projected longer than the outer wall 20 . The cover 3 includes attached walls each of which is provided with an outer groove 27 defined between an outer wall portion 29 and a middle wall portion 30 , and an inner groove 28 defined between the middle wall portion 30 and an inner wall portion 31 , so that the cover 3 can be mounted to the container body 2 by respectively inserting the inner wall 21 and the outer wall 20 of the container body into the inner groove 28 and the outer groove 27 of the cover. On the middle wall portion 30 which is opposed to the relevant middle wall portion 30 in contact with an outer face of the inner wall 21 which is projected longer than the outer wall 20 , there is provided a guide part 33 for guiding the opposed middle wall portion 30 into a gap between the outer wall 20 and the inner wall 21.
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