Description:
伍宜孙东座九楼晾衣服的地方是半露天的，露天无遮挡的晾衣架很少有人用，衣服就全挤在左侧有遮挡的晾衣架上，导致衣服间距太小，不利与空气流通，不易干且没有合理的运用空间。而且即使是在有遮挡的地方，下雨时如忘记收衣服，还是会被雨水淋湿。除此之外，晾衣架的横杆太过光滑，刮风时衣架容易滑动甚至掉落，衣服也会从衣架上脱落，掉落的衣服随便往衣架上一堆，既占地又显得很乱。
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改进后的晾衣架的横杆上固定有带小孔的小圆环，衣架的钩子可从小孔中穿过，这样就不会掉落或滑动，也保证了衣服与衣服间的合理间距，并且每个横杆上的圆环错开排列，避免衣服互相剐蹭，合理运用空间。在每个小圆环的两侧有两个由防锈金属链连接的小夹子，方便晾衣服时将衣服固定在衣架上，防止其脱落。
在每个晾衣架上方装一个边缘下方有滑轨的遮雨板，遮雨板比下方的晾衣架大上一圈，沿滑轨挂上塑料防雨帘，天晴时将其拉到一边束起来，下雨时将其拉开，将所有衣物遮挡起来。遮雨板离晾衣架的距离较大，这样就不必担心它遮挡阳光了。
Comments
That's an interesting idea. But I am concerned about the capacity of the rack. It may not be able to serve many students. The cloth may limit the flow of air. It increases the time to dry the clothes and this may also lead to the capacity problem.
Nice idea. Can you build a prototype to demonstrate its viablity? Can the parts you mentioned be easily acquired or made? By thinking through the implementation issues, you may come up with additional challenges (i.e. hypothesis not being addressed) not obvious to you.