WASHING MACHINE
To provide a washing machine capable of suppressing noise during drainage, in the washing machine including a drainage pump.SOLUTION: A circulation pump 21 for washing water circulation is connected to a circulation connection hose 41 branched from a connection hose 40 for connecting a drain port 17...
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Format: | Patent |
Sprache: | eng ; jpn |
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Zusammenfassung: | To provide a washing machine capable of suppressing noise during drainage, in the washing machine including a drainage pump.SOLUTION: A circulation pump 21 for washing water circulation is connected to a circulation connection hose 41 branched from a connection hose 40 for connecting a drain port 17 and a drainage pump 20. In the drainage pump 20, a filter 201 for foreign object collection is disposed on the upstream side, and a check valve 18 for cutting off the flow in the direction opposite to the drainage direction is disposed on the downstream side. Thereby, the drain water which the drainage pump 20 drained once to a drain pipe 19 never returns to the drainage pump 20, and once the water in the drainage pump 20 is drained out, the drainage pump 20 only generates an idling noise. Thus, noise such as air entrainment can be reduced. Furthermore, while the circulation pump 21 is operating, a water flow occurs in the direction opposite to the drainage direction in the filter 201 for foreign object collection such as lint. Thereby, clogging of lint in the drainage pump 20 can be prevented.SELECTED DRAWING: Figure 2
【課題】本開示は、排水ポンプを備えた洗濯機において、排水時の異音を抑止できる洗濯機を提供する。【解決手段】洗濯水循環用の循環ポンプ21は、排水口17と排水ポンプ20を接続する接続ホース40から分岐した循環接続ホース41に接続されるとともに、排水ポンプ20は、上流側に異物捕集用のフィルター201を配設し、下流側に排水方向と逆向きの流れを遮断する逆止弁18を配設する構成とすることにより、排水ポンプ20が排水管19に一度排出した排水は排水ポンプ20に戻ることは無く、排水ポンプ20内の水が一旦無くなれば排水ポンプ20は空転音のみを発生することで、エア噛みなどの異音を低減することができ、さらに、循環ポンプ21動作時は、糸屑など異物捕集用のフィルター201に排水方向と逆の水流が発生することにより、排水ポンプ20への糸屑つまりを防止することができる。【選択図】図2 |
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