FAUCET DEVICE

To provide a faucet device that can prevent water leakage even if a sealing function between a single lever cartridge and a valve seat member is lost.SOLUTION: The faucet device of the present invention comprises: a body member that has a first cylinder part extending in a vertical direction and a second cylinder part that extends in a right-left direction from a side surface of the first cylinder part; a handle member that is disposed on a tip side of the second cylinder part; a single lever cartridge that is at least partly disposed inside the second cylinder part and is connected to the handle member; a valve seat member that is at least partly disposed inside the second cylinder part and is in contact with or in close proximity to the single lever cartridge; a surface seal member that forms a surface seal part between the single lever cartridge and the valve seat member; a valve seat holding case that is disposed inside the second cylinder part and holds an outer circumference of the valve seat member by covering the same in a cylindrical shape; and a first O-ring that forms a shaft seal part between the valve seat holding case and the valve seat member.SELECTED DRAWING: Figure 3 【課題】シングルレバーカートリッジと弁座部材との間のシール機能が失われても漏水を防止できる水栓装置を提供すること。【解決手段】本発明は、上下方向に延びる第１筒部と、前記第１筒部の側面から左右方向に延びる第２筒部と、を有する本体部材と、前記第２筒部の先端側に配置されたハンドル部材と、少なくとも一部が前記第２筒部の内部に配置され、前記ハンドル部材に接続されたシングルレバーカートリッジと、少なくとも一部が前記第２筒部の内部に配置され、前記シングルレバーカートリッジに当接ないし近接された弁座部材と、前記シングルレバーカートリッジと前記弁座部材との間に面シール部を形成する面シール部材と、前記第２筒部の内部に配置され、前記弁座部材の外周を筒状に覆って保持する弁座保持ケースと、前記弁座保持ケースと前記弁座部材との間に軸シール部を形成する第１Ｏリングと、を備えたことを特徴とする水栓装置である。【選択図】図３