| 摘要 |
<p>A waterproof and breathable plug comprises a plug body 2 having a mounting base 21, a tubular screw rod 23 and a plurality of arched blocks 25. The mounting base 21 has an air vent 211 surrounded by the arched blocks 25 and the arched blocks 25 have external threads 253. The plug further includes a waterproof and breathable membrane 3, a cover member 5 comprising a cap nut 53 with a recessed chamber 55 having an internal thread 57 and an air valve 51 assembled in the recessed chamber 55, the internal thread 57 engaging the thread 253 of the arched blocks 25.</p> |
