WATER HEATER

To easily assemble a drain trap at low cost while securing sealing performance.SOLUTION: A drain trap 30 is formed by a resin container body 31 with an opened upper surface and a resin lid body 32 closing an opening 36 of the container body 31. A drain introduction pipe 56 projecting into the contai...

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1. Verfasser: KAWANO KEITA
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To easily assemble a drain trap at low cost while securing sealing performance.SOLUTION: A drain trap 30 is formed by a resin container body 31 with an opened upper surface and a resin lid body 32 closing an opening 36 of the container body 31. A drain introduction pipe 56 projecting into the container body 31 is formed in the lid body 32, and a discharge pipe 45 is formed in the container body 31. A water storage chamber 40 to which the drain introduction pipe 56 is inserted and a water discharge chamber 41 that is connected to the discharge pipe 45 and to which drain caused to overflow from the water storage chamber 40 flows in are formed in the container body 31 in a partitioning manner. The water storage chamber 40 and the water discharge chamber 41 form a drain passage chamber. A sealing part can be formed between the drain introduction pipe 56 and the water storage chamber 40. The lid body 32 is fitted to the container body 31 via an O ring 51, and is fixed to the container body 31 by screws 63.SELECTED DRAWING: Figure 8 【課題】ドレントラップを密閉性を確保しつつ低コストで簡易に組み立て可能とする。【解決手段】ドレントラップ30は、上面を開口した樹脂製の容器本体31と、容器本体31の開口36を閉塞する樹脂製の蓋体32とで形成され、蓋体32に、容器本体31内へ突出するドレン導入管56が形成され、容器本体31に排出管45が形成されて、容器本体31には、ドレン導入管56が差し込まれる貯水室40と、排出管45と繋がり、貯水室40からオーバーフローしたドレンが流れ込む排水室41とが仕切形成され、貯水室40と排水室41とでドレン通過室が形成されて、ドレン導入管56と貯水室40との間に封止部が形成可能となっており、蓋体32は、Oリング51を介して容器本体31に嵌合されると共に、ネジ63によって容器本体31に固定されている。【選択図】図8