Floor drain core
The utility model discloses a floor drain core which comprises an inner shell and an outer shell located outside the inner shell, the outer shell is a hollow shell with an open top face and a closed bottom face, the inner shell is a vertically-through hollow shell, a water storage gap is formed betw...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a floor drain core which comprises an inner shell and an outer shell located outside the inner shell, the outer shell is a hollow shell with an open top face and a closed bottom face, the inner shell is a vertically-through hollow shell, a water storage gap is formed between the lower portion of the inner shell and the inner side wall of the outer shell, an installation structure is arranged on the upper portion of the inner shell, and a floating ball is arranged in the outer shell. The upper portion of the floating ball is embedded into an opening in the bottom face of the inner shell in a close fit mode, water inlets are formed in the top face of the outer shell and the top face of the inner shell, a water outlet is formed in the outer side wall of the outer shell, and an outer installation structure is arranged on the outer side wall of the outer shell. In the using process, water enters the water storage space, the water in the water storage space can seal the lower end of the |
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