JP5999484B2 - Stopcock device with pressure adjusting function, faucet device and hot-water mixed faucet device having the same - Google Patents

Stopcock device with pressure adjusting function, faucet device and hot-water mixed faucet device having the same Download PDF

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JP5999484B2
JP5999484B2 JP2012148234A JP2012148234A JP5999484B2 JP 5999484 B2 JP5999484 B2 JP 5999484B2 JP 2012148234 A JP2012148234 A JP 2012148234A JP 2012148234 A JP2012148234 A JP 2012148234A JP 5999484 B2 JP5999484 B2 JP 5999484B2
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water
pressure regulating
pressure
valve body
regulating valve
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JP2014009782A (en
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直樹 天本
直樹 天本
松井　英之
英之 松井
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Toto Ltd
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Description

本発明は、調圧機能付き止水栓装置、及び、それを備えた水栓装置及び湯水混合水栓装置に係わり、特に、通水路を止水状態又は通水状態に切り替え、流出する水の圧力を調整する調圧機能付き止水栓装置、及び、それを備えた水栓装置及び湯水混合水栓装置に関する。   TECHNICAL FIELD The present invention relates to a stop cock device with a pressure control function, and a faucet device and a hot water / mixture faucet device including the same, and in particular, switches a water passage to a water stop state or a water passage state, and flows out water. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stop cock device with a pressure adjusting function for adjusting pressure, and a faucet device and a hot water / water mixture faucet device having the same.

従来から、水栓装置、特に、洗面所、浴室、キッチン等で用いられ、電気温水器等の給湯システムの給湯源から供給される湯を水と混合し、サーモスタット等の温度調節装置によって所定温度に調節した湯水を開閉弁の開閉により吐水状態又は止水状態に切り替える湯水混合水栓装置の上流側の通水路に設けられた止水栓に調圧機能を付加することは、止水栓自体の調節を行う負担を減らすことができるという長所や、通水路から湯水混合水栓装置へ流出する水の圧力を安定化させて湯水混合水栓装置から吐水される湯水の温度を安定化させることができるという長所、或いは、通水路内のウォーターハンマー現象による異音を低減できるという長所等が知られている。   Conventionally, hot water used in faucet devices, especially in bathrooms, bathrooms, kitchens, etc., is mixed with hot water supplied from a hot water supply source of a hot water supply system such as an electric water heater, and the temperature is controlled by a temperature control device such as a thermostat. Adding a pressure-regulating function to the stop cock provided in the water passage on the upstream side of the hot-water mixed faucet device that switches the hot water adjusted to the water discharge state or the water stop state by opening and closing the on-off valve It is possible to reduce the burden of adjusting the amount of water, and to stabilize the temperature of hot water discharged from the hot-water mixing faucet device by stabilizing the pressure of water flowing out from the water passage to the hot-water mixing faucet device There are known advantages such as the ability to reduce noise caused by a water hammer phenomenon in a water passage.

また、従来の止水栓と調圧弁を組み込んだ水栓装置として、例えば、特許文献１に記載されているように、湯水混合水栓装置本体の上流側の通水路を形成する水栓脚部に互いに分離可能な止水栓と調圧弁が組み込まれ、止水栓が調圧弁の外部に同一軸上に直列に配置され、止水栓によって通水路を止水した状態で調圧弁のみを取り外してメンテナンスを行うことができるようになっているものが知られている。   Moreover, as a faucet device incorporating a conventional stopcock and a pressure regulating valve, for example, as described in Patent Document 1, a faucet leg portion that forms a water passage on the upstream side of the main body of the tap water mixing faucet device A separable water stop valve and a pressure control valve are incorporated in the valve, and the water stop cock is placed in series on the same shaft outside the pressure control valve, and only the pressure control valve is removed while the water passage is stopped by the water stop valve. Are known to be able to perform maintenance.

さらに、従来の止水栓と調圧弁を組み込んだ水栓装置として、例えば、特許文献２に記載されているように、地中の給水管のメーター手前に設置される止水栓に調圧弁が並列して配置されたものも知られている。   Furthermore, as a faucet device incorporating a conventional stop cock and a pressure control valve, for example, as described in Patent Document 2, a pressure control valve is provided in a stop cock installed in front of a meter of an underground water supply pipe. Those arranged in parallel are also known.

また、特許文献３には、水素ガス供給装置のガス通路を開閉する開閉弁自体に調圧弁の機能を持たせた装置が記載されており、この装置では、ガス通路を開放した状態の開閉弁を調圧弁として機能させるために、開閉弁の弁体を先端部に設けたピストン部材を収容する作動室内に、このピストン部材を軸方向に付勢するように調圧ばねが配置され、ピストン部材の外側の受圧室内の圧力による押圧力と、この押圧力と反対方向に作用する調圧ばねの付勢力とのバランスにより、開閉弁が軸方向に移動して開放状態のガス通路内の圧力が調整されるようになっている。   Further, Patent Document 3 describes a device in which an on-off valve itself for opening and closing a gas passage of a hydrogen gas supply device has a function of a pressure regulating valve. In this device, an on-off valve in a state in which the gas passage is opened. In order to function as a pressure regulating valve, a pressure regulating spring is disposed in the working chamber for accommodating the piston member provided with the valve body of the on-off valve at the tip portion so as to urge the piston member in the axial direction. The on-off valve moves in the axial direction due to the balance between the pressing force due to the pressure inside the pressure receiving chamber outside and the urging force of the pressure adjusting spring acting in the opposite direction to the pressing force, so that the pressure in the open gas passage is reduced. It has come to be adjusted.

特許第４６６６２８０号公報Japanese Patent No. 4666280 特許第４２２４６００号公報Japanese Patent No. 4224600 特開２００８−１５１１５７号公報JP 2008-151157 A

しかしながら、上述した特許文献１に記載されている水栓装置では、止水栓が調圧弁の外部の同一軸上に直列に配置されているため、止水栓と調圧弁が組み込まれる水栓装置全体の軸方向の長さが、単に止水栓のみを備えた水栓装置の軸方向の長さに比べて少なくとも調圧弁の全長分だけ長くなり、水栓装置全体の大きさも大きくなるという問題がある。また、単に止水栓のみを備えた既存の水栓装置に別部品の調圧弁を取り付けた場合には、コストアップにつながるという問題もある。   However, in the faucet device described in Patent Document 1 described above, since the stop cock is arranged in series on the same axis outside the pressure regulating valve, the faucet apparatus in which the stop cock and the pressure regulating valve are incorporated. The total axial length is at least as long as the total length of the pressure regulating valve compared to the axial length of a faucet device with only a stop cock, and the overall size of the faucet device also increases. There is. In addition, when a pressure regulating valve as a separate part is attached to an existing faucet device having only a stop cock, there is a problem that the cost increases.

また、上述した特許文献２に記載されている水栓装置では、止水栓と調圧弁が並列して配置されているため、止水栓と調圧弁を通過する水をろ過するフィルター部材を止水栓と調圧弁に対して同軸上に配置することができないため、コストアップにつながるという問題がある。   Further, in the faucet device described in Patent Document 2 described above, since the stop cock and the pressure regulating valve are arranged in parallel, the filter member that filters the water passing through the stop cock and the pressure regulating valve is stopped. Since it cannot arrange | position coaxially with respect to a water tap and a pressure regulation valve, there exists a problem of leading to a cost increase.

さらに、上述した特許文献３に記載されている装置では、調圧ばねが配置されている作動室内とガス通路が連通しているため、水栓装置として適用した場合には、通水路から作動室内に水が流入してしまうという問題がある。また、作動室の外周面が、ガス通路の出口路を形成するハウジングによって一体的に形成されているため、ハウジングを取り外すと共に、ピストン部材と調圧ばねが作動室から外れ、ピストン部材の先端の弁体がガス通路の流入口を閉鎖できなくなるという問題がある。したがって、開閉弁がガス通路を閉鎖した状態を維持しながら、装置のメンテナンスを行うことができないという問題がある。   Furthermore, in the apparatus described in Patent Document 3 described above, the working chamber in which the pressure regulating spring is disposed communicates with the gas passage. Therefore, when applied as a faucet device, the working chamber is connected to the working chamber. There is a problem that water flows into the water. Further, since the outer peripheral surface of the working chamber is integrally formed by the housing that forms the outlet passage of the gas passage, the housing is removed, and the piston member and the pressure regulating spring are removed from the working chamber, and the tip of the piston member is removed. There is a problem that the valve body cannot close the inlet of the gas passage. Therefore, there is a problem that the maintenance of the apparatus cannot be performed while the on-off valve maintains the state where the gas passage is closed.

そこで、本発明は、上述した従来技術の問題を解決するためになされたものであり、装置全体を小型化すると共に、メンテナンスを容易に行うことができる調圧機能付き止水栓装置、及び、それを備えた水栓装置及び湯水混合水栓装置を提供することを目的としている。   Therefore, the present invention has been made to solve the above-described problems of the prior art, and while reducing the size of the entire device and maintaining the faucet with a pressure adjusting function that can easily perform maintenance, and It is an object of the present invention to provide a faucet device and a hot water / water faucet device provided with the same.

通水路を止水状態又は通水状態に切り替え、流出する水の圧力を調整する調圧機能付き止水栓装置であって、水栓装置の上流側に形成される通水路内に螺合されるねじ部と、一端部が上記ねじ部の一部と一体的に形成されて他端部が長手方向軸線の軸線回りの回転操作可能な操作部となる回転軸部と、この回転軸部から半径方向外側に突出し上記ねじ部及び上記回転軸部の回転に応じて上記通水路の流入口に対して軸方向に相対的に移動して上記通水路の流入口を開閉する止水弁体部と、を備えた止水栓部材と、上記止水栓部材の回転軸部に対して軸方向に移動可能に取り付けられて上記止水栓部材の回転軸部及び止水弁体部のそれぞれの外周を取り囲むようにほぼ筒状に形成された調圧弁体と、この調圧弁体の内部に設けられて上記調圧弁体を軸方向外側に付勢する調圧ばねと、を備えた調圧弁であって、上記調圧弁体は、上記調圧ばねからの上記回転軸部の軸方向において、上記雄ねじ部から上記操作部へ向かう方向である軸方向外側への付勢力を内側から受けると共に上記止水栓部材の止水弁体部が上記通水路の流入口を開放した通水状態のときに上記調圧弁体を上記回転軸部の軸方向において、上記操作部から上記雄ねじ部へ向かう方向である軸方向内側に移動させる水圧を外側から受ける受圧部を備え、この受圧部で受圧した上記調圧弁体が軸方向に移動することにより上記調圧弁体と上記通水路の流入口との相対的な距離を調整して上記通水路から上記水栓装置へ流出する水の圧力を調整する上記調圧弁と、を有し、上記調圧ばねと、上記調圧弁体と、上記止水弁体部と、が一体的に取り外せるように組みつけられていることを特徴としている。
このように構成された本発明においては、調圧弁の調圧ばねが調圧弁体の内部に設けられる構造となっており、調圧弁の調圧弁体が止水栓部材の回転軸部及び止水弁体部と調圧
ばねのそれぞれの外周を取り囲むようにほぼ筒状に形成され、調圧ばねと止水栓部材の止
水弁体部が調圧弁の調圧弁体の内部に収容されている構造となっているため、止水栓部材
の止水弁体部が調圧弁の調圧弁体の外部に軸方向に直列に配置された構造に比べて、止水
栓部材の止水弁体部から調圧弁の調圧弁体の受圧部までの軸方向の距離を短くすることができ、調圧機能付き止水栓装置全体の軸方向の長さを短くすることができる。さらには、
調圧ばね、調圧弁体、止水弁体が一体的に組み込まれ、ユニット化されているため、メン
テナンスを行う際にも一体的に取り外すことができ、交換を行う際にもユニットごと交換
を行うことが可能となる。
したがって、調圧機能付き止水栓装置全体の大きさについて、従来の調圧機能を備えていない止水栓装置全体と同程度の大きさに抑えることができ、さらにはメンテナンスも容易に行うことができる。
A water faucet device with a pressure adjusting function that switches the water passage to a water stop state or a water passage state and adjusts the pressure of the flowing water, and is screwed into a water passage formed on the upstream side of the water faucet device. A screw portion that has one end portion formed integrally with a portion of the screw portion, and a rotation shaft portion that is an operation portion in which the other end portion can be rotated around the axis of the longitudinal axis. A water stop valve body that projects radially outward and moves in the axial direction relative to the inlet of the water passage according to the rotation of the threaded portion and the rotary shaft, thereby opening and closing the inlet of the water passage. A stop cock member, and attached to the rotary shaft portion of the stop cock member so as to be movable in the axial direction, and each of the rotary shaft portion and the stop valve body portion of the stop cock member. A pressure regulating valve body formed in a substantially cylindrical shape so as to surround the outer periphery, and the pressure regulating valve provided inside the pressure regulating valve body The A pressure regulating valve having a pressure control spring biases the axially outward, and the pressure regulating valve body in the axial direction of the rotary shaft portion from the pressure control spring, the operating portion from the male screw portion the said pressure regulating valve body when the water stop valve body portion of the stop cock member water passage being opened to the inlet of the water conduit with receiving a biasing force in the axial direction outside a direction towards the inside In the axial direction of the rotary shaft portion, a pressure receiving portion is provided that receives water pressure from the outside to be moved inward in the axial direction, which is a direction from the operation portion toward the male screw portion, and the pressure regulating valve body received by the pressure receiving portion is axially The pressure regulating valve that adjusts the pressure of water flowing out from the water passage to the faucet device by adjusting the relative distance between the pressure regulating valve body and the inlet of the water passage by moving. , and the pressure control spring, the pressure regulating valve body and, the water stop valve body portion , But it is characterized by being assembled so as removable integrally.
In the present invention configured as described above, the pressure regulating spring of the pressure regulating valve has a structure provided inside the pressure regulating valve body, and the pressure regulating valve body of the pressure regulating valve includes the rotating shaft portion of the water stop cock member and the water stoppage. It is formed in a substantially cylindrical shape so as to surround the outer periphery of each of the valve body part and the pressure regulating spring, and the water regulating valve body part of the pressure regulating spring and the water stopper member is accommodated inside the pressure regulating valve body of the pressure regulating valve. Compared to the structure in which the water stop valve body of the water stop valve member is arranged in series in the axial direction outside the pressure control valve body, the water stop valve body portion of the water stop cock member has a structure. The axial distance from the pressure regulating valve body to the pressure receiving part of the pressure regulating valve can be shortened, and the axial length of the entire water stop cock with pressure regulating function can be shortened. Moreover,
Since the pressure regulating spring, pressure regulating valve body, and water stop valve body are integrated into a unit, it can be removed as a unit for maintenance. Can be done.
Therefore, the overall size of the stop cock device with pressure adjusting function can be suppressed to the same size as the entire stop cock device without the conventional pressure adjusting function, and maintenance can be easily performed. Can do.

本発明において、好ましくは、上記止水栓部材の回転軸部は、上記調圧弁の調圧ばねが上記調圧弁体の受圧部を軸方向外側に付勢しているときに、上記調圧弁体が上記止水栓部材の回転軸部の所定位置よりも軸方向外側に移動しないように規制するための移動規制手段を備えている。
このように構成された本発明においては、調圧弁体が止水栓部材の回転軸部の所定位置よりも軸方向外側に移動しないように規制するための止水栓部材の回転軸部の移動規制手段により、止水栓部材の回転軸部に対する調圧弁の調圧弁体の軸方向の移動範囲を規制して一体化することができるため、調圧機能付き止水栓装置全体の軸方向の長さを効果的に抑えることができる。 In the present invention, it is preferable that the rotary shaft portion of the water stop cock member is configured so that the pressure regulating valve body is formed when the pressure regulating spring of the pressure regulating valve biases the pressure receiving portion of the pressure regulating valve body outward in the axial direction. Is provided with a movement restricting means for restricting the shaft so that it does not move outward in the axial direction from a predetermined position of the rotating shaft portion of the water stop cock member.
In the present invention configured as described above, the movement of the rotary shaft portion of the water stop cock member for restricting the pressure regulating valve body from moving outward in the axial direction from the predetermined position of the rotary shaft portion of the water stop cock member. The regulating means can regulate and integrate the movement range in the axial direction of the pressure regulating valve body of the pressure regulating valve with respect to the rotating shaft portion of the water faucet member. The length can be effectively suppressed.

本発明において、好ましくは、上記移動規制手段は、上記止水栓部材の回転軸部の所定位置に形成された切欠きに嵌め込まれて上記調圧弁体の軸方向外側端部に当接可能に半径方向外側に突出する止め環部材である。
このように構成された本発明においては、調圧弁体が止水栓部材の回転軸部の所定位置よりも軸方向外側に移動しないように規制するための移動規制手段として、簡易な構造である止め環部材を採用し、止水栓部材の回転軸部の所定位置に形成された切欠きに嵌め込むことにより、この止め環部材が調圧弁体の軸方向外側端部に当接可能に半径方向外側に突出し、止水栓部材の回転軸部に対する調圧弁の調圧弁体の軸方向の移動範囲を容易に規制して一体化することができる。したがって、簡単な構成によって調圧機能付き止水栓装置全体の軸方向の長さを効果的に抑えることができる。 In the present invention, preferably, the movement restricting means is fitted into a notch formed at a predetermined position of the rotating shaft portion of the water stop cock member so as to be able to contact the axially outer end portion of the pressure regulating valve body. It is a retaining ring member protruding outward in the radial direction.
In the present invention configured as above, the pressure regulating valve body has a simple structure as a movement restricting means for restricting the pressure regulating valve body from moving outward in the axial direction from a predetermined position of the rotary shaft portion of the water stop cock member. By adopting a retaining ring member and fitting it into a notch formed at a predetermined position of the rotating shaft portion of the water faucet member, the radius can be brought into contact with the axially outer end of the pressure regulating valve body. It protrudes outward in the direction, and the movement range in the axial direction of the pressure regulating valve body of the pressure regulating valve with respect to the rotating shaft portion of the water stop cock member can be easily regulated and integrated. Therefore, it is possible to effectively suppress the axial length of the entire waterstop device with a pressure adjusting function with a simple configuration.

本発明において、好ましくは、上記通水路に取り付けられた状態で上記止水栓部材の回転軸部の操作部が操作可能となるように上記止水栓部材及び上記調圧弁の外周の一部を取り囲み、上記止水栓部材及び上記調圧弁の軸方向の移動をガイドする止水栓ガイド部材を有し、上記止水栓ガイド部材は、上記通水路に取り付けられた上記止水栓部材及び上記調圧弁に軸方向外側から着脱可能に取り付けられ、上記止水栓部材の止水弁体部が上記通水路の流入口を閉鎖している止水状態で上記通水路から取り外し可能であり、止水栓ガイド部材本体と、上記調圧弁の調圧弁体の外周側の通水路を取り囲むように上記止水栓ガイド部材本体に取り付けられて上記通水路から流出する水をろ過するフィルター部材と、を備えている。
このように構成された本発明においては、調圧ばね、調圧弁体、止水弁体がユニット化された調圧機能付き止水栓に、フィルター部品を取り付けた止水栓ガイド部材を別途取り
付けることによって、止水栓部材の止水弁体部が通水路の流入口を閉鎖している止水状態
で止水栓ガイド部材を通水路から取り外すことが可能となる。止水栓ガイド部材以外のユ
ニット化された止水栓を通水路に取り付けた状態を維持しながら、止水状態を維持しなが
ら、フィルター部材についてのメンテナンスを容易に行うことができる。
In the present invention, preferably, a part of the outer periphery of the water stop cock member and the pressure regulating valve is arranged so that the operation portion of the rotary shaft portion of the water stop cock member can be operated in a state of being attached to the water passage. surrounds, has a stop faucet guide member you guide the axial movement of the stop cock member and the pressure regulating valve, the stop cock guide member, said stop cock member attached to the water passage And is detachably attached to the pressure regulating valve from the outside in the axial direction, and can be removed from the water flow passage in a water stop state where the water stop valve body portion of the water stop plug member closes the inlet of the water flow passage. A stop cock guide member main body, and a filter member attached to the stop cock guide member main body so as to surround the water passage on the outer peripheral side of the pressure regulating valve body of the pressure regulating valve and filtering water flowing out from the water passage It is equipped with.
In the present invention configured as described above, a stop cock guide member attached with a filter component is separately attached to a stop cock with a pressure control function in which a pressure regulating spring, a pressure regulating valve body, and a water stop valve body are unitized. Thus, the stop cock guide member can be removed from the water passage in the water stop state in which the water stop valve body portion of the stop cock member closes the inlet of the water passage. Maintenance of the filter member can be easily performed while maintaining the water stop state while maintaining the state where the united stop valve other than the water stop guide member is attached to the water passage.

本発明において、好ましくは、上記調圧ばねは一端部が止水弁体部に当接し、他端部が調圧弁体と当接している。
このように構成された本発明においては、調圧ばねが直接止水弁部および調圧ばねと当
接することによって、必要なばねの性質を確保しながら調圧弁と止水弁部の距離を最短と
することが可能となる。したがって、調圧機能付き止水栓装置全体の軸方向の長さをより効果的に抑えることができる。
In the present invention, preferably, the pressure regulating spring has one end in contact with the water stop valve body and the other end in contact with the pressure regulating valve body.
In the present invention configured as described above, the pressure regulating spring is in direct contact with the water stop valve portion and the pressure regulating spring so that the distance between the pressure regulating valve and the water stop valve portion is minimized while ensuring the necessary spring properties. It becomes possible. Therefore, it is possible to more effectively suppress the length in the axial direction of the entire stop cock device with a pressure adjusting function.

つぎに、本発明は、上記調圧機能付き止水栓装置を備えた水栓装置であって、吐水口が形成された水栓装置本体と、吐水状態と止水状態に切り替える吐止水切替手段と、を有することを特徴としている。
このように構成された本発明においては、水栓装置本体の上流側に形成される通水路に取り付けられた調圧機能付き止水栓装置の止水栓部材の回転軸部の操作部を操作することにより、止水栓部材の止水栓弁部が通水路の流入口を閉鎖する止水操作を容易に行うことができる。 Next, the present invention is a water faucet device provided with the above-described water faucet device with pressure regulation function, a faucet device body in which a water discharge port is formed, and water discharge switching for switching between a water discharge state and a water stop state And means.
In the present invention configured as described above, the operation portion of the rotary shaft portion of the stopcock member of the stopcock device with a pressure adjusting function attached to the water passage formed on the upstream side of the faucet device body is operated. By doing so, the water stop operation which the water stop valve part of a water stop plug member closes the inflow port of a water passage can be performed easily.

つぎに、本発明は、湯と水を混合して所定温度に調節した湯水を吐水又は止水する、上記調圧機能付き止水栓装置を備えた湯水混合水栓装置であって、湯と水が混合される湯水混合水栓装置本体と、この湯水混合水栓装置本体に設けられた吐水部と、吐水状態と止水状態に切り替える吐止水切替手段と、上記湯水混合水栓装置本体の上流側に接続され、湯側通水路を形成する湯側脚部材と、上記湯水混合水栓装置本体の上流側に接続され、水側通水路を形成する水側脚部材と、を有することを特徴としている。
このように構成された本発明においては、湯水混合水栓装置本体の上流側に接続される湯側脚部材又は水側脚部材の少なくとも一方の脚部材に取り付けられた調圧機能付き止水栓装置の止水栓部材の回転軸部の操作部を操作することにより、止水栓部材の止水栓弁部が脚部材の通水路の流入口を閉鎖して止水操作を容易に行うことができる。さらに、現場で湯側通水路及び水側通水路のそれぞれから湯水混合水栓装置本体に供給される湯と水のそれぞれの供給圧力が大きく異なる場合であっても、調圧機能付き止水栓装置の調圧弁を通過する水の圧力がほぼ一定に調整されるため、湯水混合水栓装置本体に供給された湯水が所定の設定温度とほぼ等しい温度に調節され、湯水混合水栓装置の吐水部から適温な湯水を吐水することができる。 Next, the present invention is a hot water and water mixing faucet device comprising the above-described water stopcock device with pressure regulating function, which discharges or stops hot water adjusted to a predetermined temperature by mixing hot water and water, Hot water / water mixing faucet device main body to which water is mixed, a water discharge part provided in the hot / water mixing water faucet device main body, spout water switching means for switching between a water discharge state and a water stop state, and the water / water mixing faucet device main body A hot water-side leg member that is connected to the upstream side of the hot water and forms a hot water-side water passage, and a water-side leg member that is connected to the upstream side of the hot-water mixing faucet body and forms a water-side water passage. It is characterized by.
In the present invention configured as described above, the water stop cock with a pressure adjusting function attached to at least one leg member of the hot water side leg member or the water side leg member connected to the upstream side of the hot and cold water mixing faucet body. By operating the operation part of the rotating shaft part of the water faucet member of the device, the water faucet valve part of the water faucet member closes the inflow port of the water passage of the leg member and easily performs the water stop operation. Can do. Furthermore, even if the supply pressure of hot water and water supplied to the hot water mixing faucet body from each of the hot water passage and the water passage is greatly different at the site, the water stop cock with a pressure regulating function Since the pressure of the water passing through the pressure regulating valve of the device is adjusted to be almost constant, the hot water supplied to the hot water mixing faucet device body is adjusted to a temperature substantially equal to the predetermined set temperature, and the hot water mixing faucet device discharges water. Water of appropriate temperature can be discharged from the section.

本発明の調圧機能付き止水栓装置、及び、それを備えた水栓装置及び湯水混合水栓装置によれば、装置全体を小型化すると共に、メンテナンスを容易に行うことができる。   According to the stop cock device with a pressure regulating function of the present invention, and the faucet device and hot water / mixing faucet device provided with the same, the entire device can be downsized and maintenance can be easily performed.

本発明の第１実施形態による調圧機能付き止水栓装置を備えた水栓装置（湯水混合水栓装置）を示す概略斜視図である。1 is a schematic perspective view showing a water faucet device (a hot and cold water mixing faucet device) including a water stop cock device with a pressure regulating function according to a first embodiment of the present invention. 本発明の第１実施形態による調圧機能付き止水栓装置の分解斜視図である。It is a disassembled perspective view of the water stop cock device with a pressure regulation function by a 1st embodiment of the present invention. 本発明の第１実施形態による調圧機能付き止水栓装置を備えた水栓装置の水側脚部材を示す正面図である。It is a front view which shows the water side leg member of the water faucet device provided with the water stop cock device with a pressure regulation function by 1st Embodiment of this invention. 本発明の第１実施形態による止水状態の調圧機能付き止水栓装置を備えた水栓装置の水側脚部材の平面断面図である。It is a plane sectional view of the water side leg member of the faucet device provided with the water faucet device with a pressure regulation function of the water stop state by a 1st embodiment of the present invention. 本発明の第１実施形態による中圧時の通水状態の調圧機能付き止水栓装置を備えた水栓装置の水側脚部材の部分を拡大した部分拡大断面図である。It is the elements on larger scale which expanded the part of the water side leg member of the water faucet device provided with the water stop cock device with the pressure regulation function of the water flow state at the time of the medium pressure by 1st Embodiment of this invention. 本発明の第１実施形態による調圧機能付き止水栓装置の止水栓部材を正面側斜め上方から見た斜視図である。It is the perspective view which looked at the stop cock member of the stop cock apparatus with a pressure regulation function by 1st Embodiment of this invention from the front side diagonally upward. 本発明の第１実施形態による調圧機能付き止水栓装置の調圧弁の調圧弁体を正面側斜め上方から見た斜視図である。It is the perspective view which looked at the pressure regulation valve body of the pressure regulation valve of the water stop cock device with a pressure regulation function by 1st Embodiment of this invention from the front side diagonally upward. 本発明の第１実施形態による調圧機能付き止水栓装置の止水栓ガイド部材の止水栓ガイド部材本体とこの止水栓ガイド部材本体に取り付けられるフィルター部材を示す斜視図である。It is a perspective view which shows the water faucet guide member main body of the water faucet guide member of the water faucet device with a pressure regulation function by 1st Embodiment of this invention, and the filter member attached to this water faucet guide member main body. 本発明の第１実施形態による高圧時の通水状態の調圧機能付き止水栓装置を備えた水栓装置の水側脚部材の部分を拡大した部分拡大断面図である。It is the elements on larger scale which expanded the part of the water side leg member of the water faucet device provided with the water stop device with the pressure regulation function of the water flow state at the time of the high pressure by 1st Embodiment of this invention. 本発明の第２実施形態による低圧時の通水状態の調圧機能付き止水栓装置を備えた水栓装置の水側脚部材の部分を拡大した部分拡大断面図である。It is the elements on larger scale which expanded the part of the water side leg member of the water faucet device provided with the water stop device with the pressure regulation function of the water flow state at the time of the low pressure by 2nd Embodiment of this invention. 本発明の第３実施形態による低圧時の通水状態の調圧機能付き止水栓装置を備えた水栓装置の水側脚部材の部分を拡大した部分拡大断面図である。It is the elements on larger scale which expanded the part of the water side leg member of the water faucet device provided with the water stop device with the pressure regulation function of the water flow state at the time of the low pressure by 3rd Embodiment of this invention. 本発明の第４実施形態による低圧時の通水状態の調圧機能付き止水栓装置を備えた水栓装置の水側脚部材の部分を拡大した部分拡大断面図である。It is the elements on larger scale which expanded the part of the water side leg member of the water faucet device provided with the water stop device with the pressure regulation function of the water flow state at the time of the low pressure by 4th Embodiment of this invention.

以下、添付図面を参照して本発明の調圧機能付き止水栓装置、及び、調圧機能付き止水栓装置を備えた水栓装置の実施形態について説明する。
図１は、本発明の第１実施形態による調圧機能付き止水栓装置を備えた水栓装置（湯水混合水栓装置）を示す概略斜視図である。
図１に示すように、本発明の第１実施形態による調圧機能付き止水栓装置１を備えた水栓装置である湯水混合水栓装置２は、湯水混合水栓装置本体４を有し、湯水混合水栓装置本体４は、その背面側に突出する湯側流入部６及び水側流入部８、先端部に吐水口１０ａが形成されたスパウト１０、シャワーホース１２、温度調節装置１４、スパウト１０の吐水口１０ａによるカラン吐水又はシャワーホース１２によるシャワー吐水に切り替え可能な流量調整機能を備えたカラン／シャワー切替装置１６を備えている。このような温度調節装置１４を備えた湯水混合水栓装置２は、いわゆる「サーモスタット混合栓」と呼ばれている。 DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a water faucet device with a pressure regulating function and a water faucet device provided with the water faucet device with a pressure regulating function according to the present invention will be described below with reference to the accompanying drawings.
FIG. 1 is a schematic perspective view showing a water faucet device (a hot and cold water mixing faucet device) provided with a water stop cock device with a pressure regulating function according to a first embodiment of the present invention.
As shown in FIG. 1, a hot and cold water mixing device 2, which is a water faucet device provided with a pressure stop device 1 according to the first embodiment of the present invention, has a hot and cold water mixing device main body 4. The hot water and water mixing faucet body 4 includes a hot water side inflow portion 6 and a water side inflow portion 8 projecting to the back side, a spout 10 having a water discharge port 10a formed at the tip, a shower hose 12, a temperature control device 14, A currant / shower switching device 16 having a flow rate adjusting function capable of switching to currant water discharge by the spout 10 a of the spout 10 or shower water discharge by the shower hose 12 is provided. The hot and cold water mixing device 2 having such a temperature control device 14 is called a so-called “thermostat mixing device”.

また、湯水混合水栓装置２は、湯水混合水栓装置本体４の湯側流入部６及び水側流入部８のそれぞれの背面側（上流側）に接続され且つ調圧機能付き止水栓装置１がそれぞれ取り付けられる湯側脚部材１８及び水側脚部材２０をそれぞれ備え、湯側脚部材１８及び水側脚部材２０のそれぞれの内部には、湯側通水路２２及び水側通水路２４がそれぞれ形成されている。
なお、本実施形態では、例として、調圧機能付き止水栓装置１を湯水混合水栓装置２の湯側脚部材１８及び水側脚部材２０の双方に適用させる形態について説明するが、このような形態に限定されず、湯側脚部材１８については、調圧機能を備えずに止水機能のみを備えた脚部材となるように構成し、水側脚部材２０のみに本実施形態の調圧機能付き止水栓装置１を適用させる形態であってもよい。また、このような形態とは逆に、湯側脚部材１８のみに本実施形態の調圧機能付き止水栓装置１を適用させてもよい。
また、湯側脚部材１８及び水側脚部材２０の構成については同一であるため、以下、湯側脚部材１８については説明を省略し、水側脚部材２０のみについて具体的に説明する。 The hot and cold water mixing device 2 is connected to the back side (upstream side) of the hot water inflow portion 6 and the water side inflow portion 8 of the hot and cold water mixing device body 4 and has a pressure adjusting function. 1 is provided with a hot water side leg member 18 and a water side leg member 20, respectively, and a hot water side water passage 22 and a water side water flow path 24 are provided in the hot water side leg member 18 and the water side leg member 20, respectively. Each is formed.
In addition, although this embodiment demonstrates as an example the form which applies the water stop cock apparatus 1 with a pressure regulation function to both the hot water side leg member 18 and the water side leg member 20 of the hot water mixed tap apparatus 2, The hot water side leg member 18 is configured to be a leg member having only a water stop function without providing a pressure adjusting function, and only the water side leg member 20 is not limited to such a form. The form which applies the water stopcock apparatus 1 with a pressure regulation function may be sufficient. Moreover, you may make the water stopcock apparatus 1 with a pressure regulation function of this embodiment apply only to the hot water side leg member 18 contrary to such a form.
Moreover, since the structure of the hot water side leg member 18 and the water side leg member 20 is the same, description is abbreviate | omitted about the hot water side leg member 18 hereafter, and only the water side leg member 20 is demonstrated concretely.

つぎに、図１〜図９を参照して、本実施形態の調圧機能付き止水栓装置１の詳細と、この調圧機能付き止水栓装置１が組み込まれた湯水混合水栓装置２の水側脚部材２０の詳細について具体的に説明する。
図２は本発明の第１実施形態による調圧機能付き止水栓装置の分解斜視図であり、図３は本発明の第１実施形態による調圧機能付き止水栓装置を備えた水栓装置の水側脚部材を示す正面図であり、図４は本発明の第１実施形態による止水状態の調圧機能付き止水栓装置を備えた水栓装置の水側脚部材の平面断面図であり、図５は本発明の第１実施形態による中圧時の通水状態の調圧機能付き止水栓装置を備えた水栓装置の水側脚部材の部分を拡大した部分拡大断面図である。
また、図６は本発明の第１実施形態による調圧機能付き止水栓装置の止水栓部材を正面側斜め上方から見た斜視図であり、図７は本発明の第１実施形態による調圧機能付き止水栓装置の調圧弁の調圧弁体を正面側斜め上方から見た斜視図であり、図８は本発明の第１実施形態による調圧機能付き止水栓装置の止水栓ガイド部材の止水栓ガイド部材本体とこの止水栓ガイド部材本体に取り付けられるフィルター部材を示す斜視図である。
さらに、図９は、本発明の第１実施形態による高圧時の通水状態の調圧機能付き止水栓装置を備えた水栓装置の水側脚部材の部分を拡大した部分拡大断面図である。 Next, with reference to FIGS. 1-9, the detail of the water stop cock device 1 with a pressure regulation function of this embodiment, and the hot-water mixed water tap apparatus 2 in which this water stop cock device 1 with a pressure regulation function was integrated. Details of the water-side leg member 20 will be specifically described.
FIG. 2 is an exploded perspective view of the water stopper device with a pressure adjusting function according to the first embodiment of the present invention, and FIG. 3 is a water valve provided with the water stopper device with a pressure adjusting function according to the first embodiment of the present invention. It is a front view which shows the water side leg member of an apparatus, FIG. 4 is a plane cross section of the water side leg member of the water faucet apparatus provided with the water stop apparatus with a pressure regulation function of the water stop state by 1st Embodiment of this invention. FIG. 5 is a partially enlarged cross-sectional view in which a portion of a water-side leg member of a faucet device provided with a faucet device with a pressure regulating function in a state of passing water at an intermediate pressure according to the first embodiment of the present invention is enlarged. FIG.
FIG. 6 is a perspective view of the water faucet member of the water faucet device with pressure regulating function according to the first embodiment of the present invention as seen from the front side obliquely upward, and FIG. 7 is the first embodiment of the present invention. It is the perspective view which looked at the pressure regulation valve body of the pressure regulation valve of the water faucet device with a pressure regulation function from the front side diagonally upward, FIG. 8: Water stop of the water faucet device with a pressure regulation function by 1st Embodiment of this invention. It is a perspective view which shows the water faucet guide member main body of the water faucet guide member, and the filter member attached to this water faucet guide member main body.
Furthermore, FIG. 9 is the elements on larger scale which expanded the part of the water side leg member of the water faucet device provided with the water stop device with the pressure regulation function of the water flow state at the time of the high pressure by 1st Embodiment of this invention. is there.

図２〜図５に示すように、水側脚部材２０の水側通水路２４は、水道等の給水源（図示せず）に接続される配管（図示せず）に接続される水側脚部材２０の上流側接続部２６に形成された入口２４ａから、湯水混合水栓装置本体４の水側流入部８に接続される水側脚部材２０の下流側接続部２８に形成された出口２４ｂまで、水側脚部材２０の内部にクランク状に形成されている。
また、この水側通水路２４は、その入口２４ａから調圧機能付き止水栓装置１が取り付けられる取付室２４ｃまで延びる１次側通水路３０と、水側通水路２４の取付室２４ｃから下流側に向って水側脚部材２０の正面２０ａ及び背面２０ｂとほぼ平行に所定距離に延びた後、前方の出口２４ｂに向って延びる２次側通水路３２とを備えている。 As shown in FIGS. 2 to 5, the water-side water passage 24 of the water-side leg member 20 has a water-side leg connected to a pipe (not shown) connected to a water supply source (not shown) such as tap water. From the inlet 24a formed in the upstream side connection part 26 of the member 20, the outlet 24b formed in the downstream side connection part 28 of the water side leg member 20 connected to the water side inflow part 8 of the hot and cold water mixing device body 4 Up to now, the water-side leg member 20 is formed in a crank shape.
Further, the water-side water passage 24 is downstream from the inlet-side water passage 30 extending from the inlet 24 a to the attachment chamber 24 c to which the water stop cock device 1 with a pressure regulating function is attached, and the water-side water passage 24. A secondary side water passage 32 extending toward a front outlet 24b after extending a predetermined distance substantially parallel to the front surface 20a and the back surface 20b of the water-side leg member 20 toward the side is provided.

つぎに、図２に示すように、調圧機能付き止水栓装置１は、水側通水路２４の取付室２４ｃを形成する水側脚部材２０の所定の取付部２０ｃに取り付けられ、上流側から下流側にかけて止水栓部材３４、調圧弁３６及び止水栓ガイド部材３８を備えている。   Next, as shown in FIG. 2, the water stopper device 1 with a pressure adjusting function is attached to a predetermined attachment portion 20 c of the water-side leg member 20 that forms the attachment chamber 24 c of the water-side water passage 24. A stop cock member 34, a pressure regulating valve 36, and a stop cock guide member 38 are provided from the downstream side to the downstream side.

図２、図５及び図６に示すように、止水栓部材３４は、水側通水路２４の取付室２４ｃの流入口２４ｄから上流側の１次側通水路３０の所定区間Ｓ１の内周に沿って形成された雌ねじ部２４ｅに螺合される雄ねじ部４０を備えている。
また、止水栓部材３４は、前後方向に延びる回転軸部４２を備え、この回転軸部４２の後端部４２ａは、雄ねじ部４０の前面４０ａの一部から前方へ突出する柱部４０ｂに一体的に形成されている。さらに、雄ねじ部４０の内周面４０ｃは、水側通水路２４の取付室２４ｃの流入口２４ｄが開放された通水状態のときに、一次側通水路３０と取付室２４ｃとを連通させる通水路を形成している。 As shown in FIGS. 2, 5, and 6, the stop cock member 34 has an inner periphery of a predetermined section S <b> 1 of the primary side water passage 30 upstream from the inlet 24 d of the mounting chamber 24 c of the water side water passage 24. Are provided with a male threaded portion 40 that is screwed into a female threaded portion 24e formed along.
Further, the water faucet member 34 includes a rotation shaft portion 42 extending in the front-rear direction, and a rear end portion 42 a of the rotation shaft portion 42 is formed on a column portion 40 b protruding forward from a part of the front surface 40 a of the male screw portion 40. It is integrally formed. Furthermore, the inner peripheral surface 40c of the male screw portion 40 is a passage that allows the primary side water passage 30 and the attachment chamber 24c to communicate with each other when the water inlet 24d of the attachment chamber 24c of the water side water passage 24 is open. A waterway is formed.

一方、回転軸部４２の前端部は、回転軸部４２について調圧機能付き止水栓装置１の長手方向の中心軸線Ｃの軸線回りに回転操作可能な操作部４２ｂとなっている。この操作部４２ｂには、キー溝４２ｃが形成され、このキー溝４２ｃにマイナスドライバー等の工具（図示せず）を嵌め込んで回すことにより、止水栓部材３４の雄ねじ部４０及び回転軸部４２について中心軸線Ｃの軸線回りの回転操作を行うことができるようになっている。   On the other hand, the front end portion of the rotation shaft portion 42 is an operation portion 42 b that can be rotated about the central axis C in the longitudinal direction of the water stopcock device 1 with a pressure adjusting function. A key groove 42c is formed in the operation portion 42b. By inserting a tool (not shown) such as a flathead screwdriver into the key groove 42c and turning, the male screw portion 40 and the rotary shaft portion of the water stop cock member 34 are rotated. 42 can be rotated around the axis of the central axis C.

さらに、止水栓部材３４は、回転軸部４２の後端部４２ａから半径方向外側に突出するように形成された止水弁体部４４を備え、この止水弁体部４４は、止水栓部材３４の操作部４２ｂによる回転操作が行われると、回転軸部４２の軸回りの回転に応じて水側通水路２４の取付室２４ｃの流入口２４ｄに対して軸方向に相対移動することにより、流入口２４ｄを開閉することができるようになっている。 Further, the water stop cock member 34 includes a water stop valve body portion 44 formed so as to protrude radially outward from the rear end portion 42a of the rotating shaft portion 42. When the rotation operation by the operation portion 42b of the plug member 34 is performed, the plug member 34 moves in the axial direction relative to the inlet 24d of the mounting chamber 24c of the water-side water passage 24 according to the rotation of the rotation shaft portion 42 around the axis. Thus, the inlet 24d can be opened and closed.

また、止水栓部材３４の止水弁体部４４は、前後方向に所定間隔をおいて半径方向外側に突出するように形成された前側支持突起４４ａ及び後側支持突起４４ｂと、これらの前側支持突起４４ａと後側支持突起４４ｂとの間に取り付けられて保持される円環状のシール部材であるパッキン４６とを備えている。パッキン４６は、ゴム材料又は樹脂材料、或いはこれらの複合材料によって形成され、図４に示すように、止水栓部材３４の止水弁体部４４の後側支持突起４４ｂの後端部（回転軸部４２の後端部４２ａ）及びパッキン４６の後端面４６ａが水側通水路２４の取付室２４ｃの流入口２４ｄに当接して密着しているときには、流入口２４ｄが弁座となって水側通水路２４の１次側通水路３０と２次側通水路３２とが止水された状態となるようになっている。
一方、図５及び図９に示すように、止水栓部材３４の止水弁体部４４の後側支持突起４４ｂ及びパッキン４６が水側通水路２４の取付室２４ｃの流入口２４ｄに当接していないときには、水側通水路２４の１次側通水路３０と２次側通水路３２とが通水された状態となり、後述する調圧弁３６の調圧弁体４８がパッキン４６の外周面４６ｂに対して軸方向に摺動可能となり且つ水側通水路２４の取付室２４ｃ内に流入した水が調圧弁体４８の内部の後述する調圧ばね５０のばね室５２内に浸入しないように、パッキン４６の外周面４６ｂが調圧弁体４８の内周面４８ａとの隙間を密封するようになっている。 Further, the water stop valve body portion 44 of the water stopcock member 34 includes a front support protrusion 44a and a rear support protrusion 44b formed so as to protrude radially outward at a predetermined interval in the front-rear direction, and the front side thereof. A packing 46, which is an annular seal member, is attached and held between the support protrusion 44a and the rear support protrusion 44b. The packing 46 is formed of a rubber material, a resin material, or a composite material thereof, and as illustrated in FIG. 4, as illustrated in FIG. 4, the rear end portion (rotation) of the rear side support protrusion 44 b of the water stop valve body portion 44 of the water stop cock member 34. When the rear end portion 42a of the shaft portion 42 and the rear end surface 46a of the packing 46 are in contact with and closely contact the inlet 24d of the mounting chamber 24c of the water-side water passage 24, the inlet 24d serves as a valve seat and serves as water. The primary side water passage 30 and the secondary side water passage 32 of the side water passage 24 are stopped.
On the other hand, as shown in FIGS. 5 and 9, the rear support protrusion 44 b and the packing 46 of the water stop valve body 44 of the water stop cock member 34 abut against the inlet 24 d of the mounting chamber 24 c of the water side water passage 24. When not, the primary side water passage 30 and the secondary side water passage 32 of the water side water passage 24 are in a state where water is passed, and the pressure regulating valve body 48 of the pressure regulating valve 36 described later is placed on the outer peripheral surface 46 b of the packing 46. In order to prevent the water flowing into the mounting chamber 24c of the water-side water passage 24 from entering the spring chamber 52 of the pressure regulating spring 50, which will be described later, inside the pressure regulating valve body 48, the packing is made possible. An outer peripheral surface 46 b of 46 seals a gap with the inner peripheral surface 48 a of the pressure regulating valve body 48.

調圧弁３６は、止水栓部材３４の回転軸部４２に対して軸方向に移動可能に取り付けられた調圧弁体４８と、この調圧弁体４８を軸方向外側（図５の前側方向）に付勢する調圧ばね５０とを備えている。なお、「軸方向外側」とは、止水栓部材３４が流入口２４ｄを開放する方向、すなわち、止水栓部材３４の回転軸部４２の軸方向において、流入口２４ｄから離間する方向を意味する。
調圧弁体４８は、止水栓部材３４の回転軸部４２及び止水弁体部４４のそれぞれの外周を取り囲むようにほぼ筒状に形成され、その内部に設けられた調圧ばね５０が軸方向に伸縮して作動するためのばね室５２を形成している。
調圧ばね５０は、軸方向の圧縮力により軸方向に伸縮可能な圧縮コイルばねであり、予め所定の圧縮荷重（予荷重）を与えられた状態で調圧ばね５０の後端部５０ａが止水栓部材３４の止水弁体部４４の前側支持突起４４ａに当接し、調圧ばね５０の前端部５０ｂが調圧弁体４８の肩部４８ｂの内面に当接している。 The pressure regulating valve 36 is attached to the rotary shaft portion 42 of the water stop cock member 34 so as to be movable in the axial direction, and the pressure regulating valve body 48 is axially outward (front direction in FIG. 5). And a pressure regulating spring 50 to be biased. The “axially outer side” means a direction in which the stop cock member 34 opens the inlet 24d, that is, a direction away from the inlet 24d in the axial direction of the rotating shaft portion 42 of the stop cock member 34. To do.
The pressure regulating valve body 48 is formed in a substantially cylindrical shape so as to surround the outer periphery of each of the rotating shaft portion 42 and the water stopping valve body portion 44 of the water stop cock member 34, and a pressure regulating spring 50 provided in the inside thereof is a shaft. A spring chamber 52 is formed to operate by expanding and contracting in the direction.
The pressure adjusting spring 50 is a compression coil spring that can be expanded and contracted in the axial direction by an axial compressive force, and the rear end portion 50a of the pressure adjusting spring 50 is stopped in a state where a predetermined compression load (preload) is applied in advance. The front end protrusion 44 a of the water stop valve body 44 of the faucet member 34 is in contact with the front end portion 50 b of the pressure adjustment spring 50, and is in contact with the inner surface of the shoulder 48 b of the pressure adjustment valve body 48.

また、図５及び図７に示すように、調圧弁体４８の肩部４８ｂの前面は、止水栓部材３４の止水弁体部４４が水側通水路２４の取付室２４ｃの流入口２４ｄを開放した通水状態のときに、調圧弁体４８を止水栓部材３４の回転軸部４２に対して軸方向内側（図５の後側方向）に移動させる水圧Ｐ１を外側から受ける受圧部４８ｃとなっている。
例えば、調圧弁体４８の受圧部４８ｃに作用する水側通水路２４の取付室２４ｃ内の水圧Ｐ１が所定値未満の場合には、調圧ばね５０は軸方向に撓まず、調圧弁体４８も止水栓部材３４の回転軸部４２に対して軸方向内側（図５の後側方向）に移動しないようになっている。
一方、調圧弁体４８の受圧部４８ｃが受圧する水圧Ｐ１が所定値以上の場合には、この水圧Ｐ１が調圧弁体４８を軸方向内側（図５の後側方向）に押圧する力が調圧ばね５０の付勢力Ｆ１（図５参照）を上回り、調圧弁体４８が止水栓部材３４の回転軸部４２に対して軸方向内側（図５の後側方向）に移動することにより、調圧弁体４８の後端側口縁部４８ｄと水側通水路２４の取付室２４ｃの流入口２４ｄとの相対的な距離ｄ１を調整し、一次側通水路３０から取付室２４ｃ内の流入口２４ｄを経て水側通水路２４の出口２４ｂから湯水混合水栓装置本体４へ流出する水の圧力が調整されるようになっている。 As shown in FIGS. 5 and 7, the front surface of the shoulder 48 b of the pressure regulating valve body 48 is connected to the inlet 24 d of the mounting chamber 24 c of the water-side water passage 24 by the water stop valve body 44 of the water stop plug member 34. The pressure receiving part which receives water pressure P1 which moves the pressure regulation valve body 48 to the axial direction inner side (rear side direction of FIG. 5) with respect to the rotating shaft part 42 of the water stop cock member 34 from the outside when the water passage is open. 48c.
For example, when the water pressure P1 in the mounting chamber 24c of the water-side water passage 24 acting on the pressure receiving portion 48c of the pressure regulating valve body 48 is less than a predetermined value, the pressure regulating spring 50 does not flex in the axial direction, and the pressure regulating valve body 48 Also, it does not move inward in the axial direction (rearward direction in FIG. 5) with respect to the rotating shaft portion 42 of the water stop cock member 34.
On the other hand, when the water pressure P1 received by the pressure receiving portion 48c of the pressure regulating valve body 48 is equal to or greater than a predetermined value, the force by which the water pressure P1 presses the pressure regulating valve body 48 in the axial direction (rearward direction in FIG. 5) is adjusted. By exceeding the urging force F1 (see FIG. 5) of the pressure spring 50, the pressure regulating valve body 48 moves inward in the axial direction (rearward direction in FIG. 5) with respect to the rotating shaft portion 42 of the water stop cock member 34. The relative distance d1 between the rear end side edge 48d of the pressure regulating valve body 48 and the inflow port 24d of the mounting chamber 24c of the water side water passage 24 is adjusted, and the inflow port in the mounting chamber 24c from the primary side water passage 30 is adjusted. The pressure of the water flowing out from the outlet 24b of the water-side water passage 24 to the hot and cold water mixing device body 4 through 24d is adjusted.

ここで、図５及び図９は、水圧Ｐ１の中圧時の通水状態の調圧弁３６の調圧弁体４８の軸方向の位置と、この水圧Ｐ１よりも高い水圧Ｐ２の高圧時の通水状態の調圧弁３６の調圧弁体４８の軸方向の位置をそれぞれ示しているが、図９に示す水圧Ｐ２の高圧時の通水状態においては、調圧弁体４８の後端側口縁部４８ｄと水側通水路２４の取付室２４ｃの流入口２４ｄとの相対的な距離ｄ２が、図５に示す水圧Ｐ１の中圧時の調圧弁体４８の後端側口縁部４８ｄと水側通水路２４の取付室２４ｃの流入口２４ｄとの相対的な距離ｄ１よりも小さくなり、調圧弁体４８の後端側口縁部４８ｄと水側通水路２４の取付室２４ｃの流入口２４ｄとの間の流路が狭くなり、調圧弁３６の調圧弁体４８を通過する水の流量が絞られることにより調圧が行われるようになっている。   Here, FIG. 5 and FIG. 9 show the position in the axial direction of the pressure regulating valve body 48 of the pressure regulating valve 36 in the water flow state when the water pressure P1 is medium, and the water flow when the water pressure P2 is higher than the water pressure P1. The axial position of the pressure regulating valve body 48 of the pressure regulating valve 36 in the state is shown, but the rear end side edge 48d of the pressure regulating valve body 48 is shown in FIG. 9 when the water pressure P2 is high. The relative distance d2 between the water-side water passage 24 and the inlet 24d of the mounting chamber 24c of the water-side water passage 24 is such that the rear-end side edge 48d of the pressure regulating valve body 48 at the time of medium pressure P1 shown in FIG. It becomes smaller than the relative distance d1 between the inlet 24d of the mounting chamber 24c of the water channel 24 and the rear end side edge 48d of the pressure regulating valve body 48 and the inlet 24d of the mounting chamber 24c of the water-side water channel 24. The flow path between them is narrowed, and the pressure is adjusted by reducing the flow rate of the water passing through the pressure regulating valve body 48 of the pressure regulating valve 36. It has become as to be.

つぎに、図２、図５及び図６に示すように、止水栓部材３４の回転軸部４２は、調圧弁３６の調圧ばね５０の前端部５０ｂが調圧弁体４８の肩部４８ｂ（受圧部４８ｃ）の内面を軸方向外側（図５の前側方向）に付勢しているときに、調圧弁体４８が止水栓部材３４の回転軸部４２の前端部近傍の所定位置Ａ１よりも軸方向外側に移動しないように規制するための移動規制手段である止め環部材５４を備えている。
この止め環部材５４は、上下方向から見て概ねＣ型形状となっており、止水栓部材３４の回転軸部４２の前端部近傍の所定位置Ａ１の外周面の周方向に沿って形成された切欠き４２ｄに嵌め込まれるようになっている。
さらに、止め環部材５４は、止水栓部材３４の回転軸部４２の切欠き４２ｄに嵌め込んだ状態では、調圧弁体４８の首部４８ｅの前端部４８ｆ（図７参照）に当接可能に止水栓部材３４の回転軸部４２の所定位置Ａ１の外周面から半径方向外側に突出している。
なお、本実施形態の調圧機能付き止水栓装置１では、調圧弁体４８が止水栓部材３４の回転軸部４２の前端部近傍の所定位置Ａ１よりも軸方向外側に移動しないように規制するための移動規制手段の例として、止め環部材５４を採用した形態について説明するが、このような形態に限定されず、止水栓部材３４の回転軸部４２の前端部近傍の所定位置Ａ１の外周面に半径方向外側に突出する突起を一体的に形成し、調圧弁体４８の首部４８ｅの前端部４８ｆに当接可能とするような形態であってもよい。 Next, as shown in FIGS. 2, 5, and 6, the rotary shaft portion 42 of the water stop cock member 34 has a front end portion 50 b of the pressure regulating spring 50 of the pressure regulating valve 36 and a shoulder portion 48 b ( When the inner surface of the pressure receiving portion 48c) is urged outward in the axial direction (front direction in FIG. 5), the pressure regulating valve body 48 comes from a predetermined position A1 in the vicinity of the front end portion of the rotary shaft portion 42 of the water stop cock member 34. Is also provided with a retaining ring member 54 which is a movement restricting means for restricting movement from moving outward in the axial direction.
The retaining ring member 54 is generally C-shaped when viewed from above and below, and is formed along the circumferential direction of the outer peripheral surface of the predetermined position A1 in the vicinity of the front end portion of the rotating shaft portion 42 of the water stopper member 34. It fits in the notch 42d.
Further, the retaining ring member 54 can come into contact with the front end portion 48f (see FIG. 7) of the neck portion 48e of the pressure regulating valve body 48 in a state where the retaining ring member 54 is fitted in the notch 42d of the rotating shaft portion 42 of the water faucet member 34. It protrudes radially outward from the outer peripheral surface of the predetermined position A1 of the rotating shaft portion 42 of the water stop cock member 34.
In the stop cock device 1 with a pressure control function of the present embodiment, the pressure control valve body 48 does not move outward in the axial direction from the predetermined position A1 in the vicinity of the front end portion of the rotary shaft portion 42 of the stop cock member 34. As an example of the movement restricting means for restricting, the embodiment adopting the retaining ring member 54 will be described. However, the embodiment is not limited to such a form, and a predetermined position in the vicinity of the front end portion of the rotating shaft portion 42 of the water stop cock member 34 A protrusion that protrudes radially outward may be integrally formed on the outer peripheral surface of A1, and may be configured to be able to contact the front end portion 48f of the neck portion 48e of the pressure regulating valve body 48.

つぎに、図２〜図５及び図８に示すように、止水栓ガイド部材３８は、水側通水路２４の取付室２４ｃ内に取り付けられた止水栓部材３４及び調圧弁３６に軸方向外側から着脱可能に取り付けられる止水栓ガイド部材本体５６と、水側通水路２４の取付室２４ｃ内における調圧弁３６の調圧弁体４８の外周側の２次側通水路３２を取り囲むように止水栓ガイド部材本体５６の後端部の内周面５６ａに着脱可能に取り付けられて水側通水路２４の取付室２４ｃ流入する通水中に含まれるごみをろ過するフィルター部材５８とを備えている。   Next, as shown in FIGS. 2 to 5 and 8, the stop cock guide member 38 is axially connected to the stop cock member 34 and the pressure regulating valve 36 attached in the attachment chamber 24 c of the water-side water passage 24. A stop cock guide member main body 56 detachably attached from the outside, and a secondary side water passage 32 on the outer peripheral side of the pressure regulating valve body 48 of the pressure regulating valve 36 in the attachment chamber 24c of the water side water passage 24 are stopped. And a filter member 58 that is detachably attached to the inner peripheral surface 56a of the rear end portion of the faucet guide member main body 56 and filters dust contained in the water flowing into the attachment chamber 24c of the water-side water passage 24. .

止水栓ガイド部材本体５６の外周面には、外周面に形成された雄ねじ５６ｂを備え、この雄ねじ５６ｂは、水側脚部材２０の調圧機能付き止水栓装置１の取付部２０ｃの雌ねじ２０ｄに螺合させるようになっている。
また、止水栓ガイド部材３８は、止水栓ガイド部材本体５６の外周面の雄ねじ５６ｂの前方側に取り付けれる外側オーリング６０を備え、この外側オーリング６０により、止水栓ガイド部材本体５６が調圧弁３６の外周側を覆うように正面側から水側脚部材２０の取付部２０ｃに取り付けられた状態で、止水栓ガイド部材本体５６の外周面と水側脚部材２０の取付部２０ｃの内周面との隙間が密封されるようになっている。 The outer peripheral surface of the water faucet guide member main body 56 is provided with a male screw 56b formed on the outer peripheral surface. The male screw 56b is a female screw of the attachment portion 20c of the water faucet device 1 with a pressure adjusting function of the water side leg member 20. 20d is screwed.
The stop cock guide member 38 includes an outer O-ring 60 attached to the front side of the male screw 56 b on the outer peripheral surface of the stop cock guide member main body 56, and the stop cock guide member main body 56 is provided by the outer O-ring 60. Is attached to the mounting portion 20c of the water-side leg member 20 from the front side so as to cover the outer peripheral side of the pressure regulating valve 36, and the outer peripheral surface of the water stop cock guide member main body 56 and the mounting portion 20c of the water-side leg member 20. The gap with the inner peripheral surface of the is sealed.

さらに、止水栓ガイド部材本体５６の内周面は、前側ガイド部５６ｃと、後側ガイド部５６ｄとを備え、前側ガイド部５６ｃは、止水栓ガイド部材本体５６が水側通水路２０の取付部２０ｃに取り付けられた状態で止水栓部材３４の回転軸部４２の操作部４２ｂが操作可能となるように、止水栓部材３４の回転軸部４２の操作部４２ｂと調圧弁３６の調圧弁体４８の首部４８ｅの外周を取り囲み、止水栓部材３４の回転軸部４２の操作部４２ｂと調圧弁３６の調圧弁体４８の軸方向の移動をガイドすることができるようになっている。
また、止水栓ガイド部材本体５６の内周面の後側ガイド部５６ｄは、調圧弁３６の調圧弁体４８の肩部４８ｂから後方の段部４８ｇまで延びる調圧弁体４８の側壁部４８ｈ（図７参照）の軸方向の移動をガイドすることができるようになっている。 Furthermore, the inner peripheral surface of the stop cock guide member main body 56 includes a front guide portion 56c and a rear guide portion 56d. The front guide portion 56c is configured so that the stop cock guide member main body 56 is connected to the water-side water passage 20. The operation portion 42b of the rotation shaft portion 42 of the water stop cock member 34 and the pressure regulating valve 36 are controlled so that the operation portion 42b of the rotation shaft portion 42 of the water stop cock member 34 can be operated in a state of being attached to the attachment portion 20c. It surrounds the outer periphery of the neck portion 48e of the pressure regulating valve body 48, and can guide the axial movement of the operation portion 42b of the rotary shaft portion 42 of the water stop cock member 34 and the pressure regulating valve body 48 of the pressure regulating valve 36. Yes.
Further, the rear guide portion 56d of the inner peripheral surface of the stop cock guide member main body 56 is a side wall portion 48h of the pressure regulating valve body 48 extending from the shoulder portion 48b of the pressure regulating valve body 48 of the pressure regulating valve 36 to the rear stepped portion 48g ( The movement in the axial direction (see FIG. 7) can be guided.

さらに、止水栓ガイド部材本体５６の前側ガイド部５６ｃには、その内周面と調圧弁３６の調圧弁体４８の首部４８ｅの外周面との隙間を密封するための内側オーリング６２が設けられている。
また、止水栓ガイド部材本体５６の後側ガイド部５６ｄには、調圧弁３６の調圧弁体４８の側壁部４８ｈを軸方向に摺動可能に保持するＣ型リング６４が設けられ、このＣ型リング６４により、調圧弁３６の調圧弁体４８が軸方向に移動する際のガタツキを抑制し、このガタツキによる異音の発生を抑制することができるようになっている。 Further, an inner O-ring 62 for sealing a gap between the inner peripheral surface of the stop cock guide member main body 56 and the outer peripheral surface of the neck portion 48e of the pressure regulating valve body 48 of the pressure regulating valve 36 is provided. It has been.
Further, a C-shaped ring 64 that holds the side wall portion 48h of the pressure regulating valve body 48 of the pressure regulating valve 36 so as to be slidable in the axial direction is provided on the rear guide portion 56d of the stop cock guide member main body 56. The mold ring 64 suppresses rattling when the pressure regulating valve body 48 of the pressure regulating valve 36 moves in the axial direction, and the generation of abnormal noise due to the rattling can be suppressed.

さらに、図８に示すように、止水栓ガイド部材３８のフィルター部材５８のほぼ円筒状の外周面の前側と後側のそれぞれの部分には、半径方向外側に突出する複数の前側取付用突起５８ａと後側取付用突起５８ｂが形成され、フィルター部材５８の前側取付用突起５８ａが止水栓ガイド部材本体５６の後端部の内周面５６ａに嵌合され、フィルター部材５８の後側取付用突起５８ｂが水側通水路２４の取付室２４ｃの内周面の後方側に嵌合されるようになっている。また、止水栓ガイド部材３８を水側脚部材２０の取付部２０ｃから着脱する際には、止水栓ガイド部材本体５６とフィルター部材５８が一体に取り付けられた状態で着脱することができるようになっている。   Further, as shown in FIG. 8, a plurality of front mounting projections projecting radially outward are formed on the front and rear portions of the substantially cylindrical outer peripheral surface of the filter member 58 of the stop cock guide member 38. 58a and rear mounting projection 58b are formed, and the front mounting projection 58a of the filter member 58 is fitted to the inner peripheral surface 56a of the rear end portion of the water faucet guide member main body 56, so that the rear mounting of the filter member 58 is performed. The projection 58 b is fitted to the rear side of the inner peripheral surface of the mounting chamber 24 c of the water side water passage 24. Further, when the stop cock guide member 38 is attached / detached from the attachment portion 20c of the water-side leg member 20, the stop cock guide member main body 56 and the filter member 58 can be attached / detached in an integrally attached state. It has become.

また、止水栓ガイド部材本体５６は、その前端部にスパナ等の工具（図示せず）が取り付け可能で、この工具により止水栓ガイド部材本体５６の中心軸線Ｃの軸線回りの回転操作が可能な操作部５６ｅを備えている。
止水栓ガイド部材３８が水側脚部材２０の取付部２０ｃに取り付けられた状態で止水栓ガイド部材３８のみを取り外す際には、まず、止水栓部材３４の操作部４２ｂのキー溝４２ｃにマイナスドライバー等の工具（図示せず）を嵌め込んで回すことにより、止水栓部材３４の雄ねじ部４０及び回転軸部４２について中心軸線Ｃの軸線回りの回転操作して軸方向の後方へ移動させる。そして、止水栓部材３４の止水弁体部４４の後側支持突起４４ｂの後端部（回転軸部４２の後端部４２ａ）及びパッキン４６の後端面４６ａを水側通水路２４の取付室２４ｃの流入口２４ｄに当接して密着させることにより、水側通水路２４の取付室２４ｃの流入口２４ｄを閉鎖した止水状態にした後、スパナ等の工具（図示せず）を用いて止水栓ガイド部材３８の止水栓ガイド部材本体５６の操作部５６ｅを中心軸線Ｃの軸線回りの回転操作することにより、水側脚部材２０の取付部２０ｃの雌めじ２０ｄと止水栓ガイド部材本体５６の雄ねじ５６ｂとの螺合を解除することにより、水側脚部材２０の取付部２０ｃに止水栓部材３４と調圧弁３６が取り付けられて水側通水路２４の取付室２４ｃの流入口２４ｄが止水された状態で、止水栓ガイド部材本体５６とフィルター部材５８が水側脚部材２０の取付部２０ｃから取り外し可能となっている。 Further, the stop cock guide member main body 56 can be attached with a tool such as a spanner (not shown) at its front end, and this tool allows the rotation operation around the central axis C of the stop cock guide member main body 56. A possible operation unit 56e is provided.
When removing the stop cock guide member 38 in a state where the stop cock guide member 38 is attached to the attachment part 20c of the water side leg member 20, first, the key groove 42c of the operation part 42b of the stop cock member 34 is used. By inserting and turning a tool (not shown) such as a flathead screwdriver on the male screw portion 40 and the rotary shaft portion 42 of the water stop cock member 34, the shaft is rotated about the central axis C and moved rearward in the axial direction. Move. The water-side water passage 24 is attached to the rear end portion (rear end portion 42a of the rotary shaft portion 42) of the water stop valve body portion 44 of the water stop valve member 34 and the rear end surface 46a of the packing 46. After bringing the inlet 24d of the mounting chamber 24c of the water-side water passage 24 into a closed water-stopping state by contacting and closely contacting the inlet 24d of the chamber 24c, a tool (not shown) such as a spanner is used. By rotating the operation portion 56e of the water faucet guide member main body 56 of the water faucet guide member 38 around the axis of the central axis C, the female female 20d of the mounting portion 20c of the water side leg member 20 and the water faucet guide By releasing the threaded engagement with the male screw 56b of the member main body 56, the water stopper member 34 and the pressure regulating valve 36 are attached to the attachment portion 20c of the water side leg member 20, and the flow in the attachment chamber 24c of the water side water passage 24 is performed. With the inlet 24d stopped, the stop cock Id member main body 56 and the filter member 58 is made detachable from the attaching portion 20c of the water leg member 20.

つぎに、上述した本発明の第１実施形態による調圧機能付き止水栓装置を備えた水栓装置の動作（作用）について説明する。
まず、図５及び図９に示すように、止水栓部材３４の止水弁体部４４によって、流入口２４ｄが開放された状態では、一次側通水路３０内の水は、止水栓部材３４の雄ねじ部４０の内周面４０ｃによって形成される流路を通過して流入口２４ｄを経て取付室２４ｃ内に流れ込む。そして、この取付室２４ｃ内に流れ込んだ水は、止水栓部材３４の止水弁体部４４のパッキン４６により調圧弁３６の調圧弁体４８の内部のばね室５２への浸入が阻止された状態で、調圧弁体４８の外側からフィルター部材５８を通過して、２次側通水路３２へ流出する。 Next, the operation (action) of the water faucet device provided with the water faucet device with pressure regulating function according to the first embodiment of the present invention described above will be described.
First, as shown in FIGS. 5 and 9, in the state where the inflow port 24 d is opened by the water stop valve body 44 of the water stop cock member 34, the water in the primary side water passage 30 is transferred to the water stop cock member. 34 passes through the flow path formed by the inner peripheral surface 40c of the male threaded portion 40 and flows into the mounting chamber 24c through the inflow port 24d. The water flowing into the mounting chamber 24 c is prevented from entering the spring chamber 52 inside the pressure regulating valve body 48 of the pressure regulating valve 36 by the packing 46 of the water shutoff valve body portion 44 of the water stop cock member 34. In the state, it passes through the filter member 58 from the outside of the pressure regulating valve body 48 and flows out to the secondary side water passage 32.

このとき、図５に示すように、取付室２４ｃ内において、調圧弁３６の調圧弁体４８の受圧部４８ｃが受圧する水圧Ｐ１が所定値以上に達すると、この水圧Ｐ１が調圧弁体４８を軸方向内側（図５の後側方向）に押圧する力が調圧ばね５０の付勢力Ｆ１を上回り、調圧弁体４８が止水栓部材３４の回転軸部４２に対して軸方向内側（図５の後側方向）に移動し、調圧弁体４８の後端側口縁部４８ｄと水側通水路２４の取付室２４ｃの流入口２４ｄとの相対的な距離ｄ１が調整され、一次側通水路３０から取付室２４ｃ内の流入口２４ｄを経て水側通水路２４の出口２４ｂから湯水混合水栓装置本体４へ流出する水の圧力が調整される。   At this time, as shown in FIG. 5, when the water pressure P1 received by the pressure receiving portion 48c of the pressure regulating valve body 48 of the pressure regulating valve 36 reaches or exceeds a predetermined value in the mounting chamber 24c, the water pressure P1 causes the pressure regulating valve body 48 to move. The force pressing inward in the axial direction (rearward direction in FIG. 5) exceeds the urging force F1 of the pressure regulating spring 50, and the pressure regulating valve body 48 is axially inward relative to the rotary shaft portion 42 of the water stop cock member 34 (see FIG. 5), the relative distance d1 between the rear end side edge 48d of the pressure regulating valve body 48 and the inlet 24d of the mounting chamber 24c of the water side water passage 24 is adjusted. The pressure of the water flowing out from the outlet 30b of the water-side water passage 24 to the hot and cold water mixing device body 4 through the inlet 24d in the mounting chamber 24c from the water passage 30 is adjusted.

さらに、図９に示すように、調圧弁３６の調圧弁体４８の受圧部４８ｃが受圧する水圧Ｐ２が図５に示す中圧時の通水状態の水圧Ｐ１よりも高い高圧時の通水状態では、調圧弁体４８の後端側口縁部４８ｄと水側通水路２４の取付室２４ｃの流入口２４ｄとの相対的な距離ｄ２が、図５に示す水圧Ｐ１の中圧時の調圧弁体４８の後端側口縁部４８ｄと水側通水路２４の取付室２４ｃの流入口２４ｄとの相対的な距離ｄ１よりも小さくなり、調圧弁体４８の後端側口縁部４８ｄと水側通水路２４の取付室２４ｃの流入口２４ｄとの間の流路が狭くなり、調圧弁３６の調圧弁体４８を通過する水の流量が絞られることにより調圧が行われる。   Further, as shown in FIG. 9, the water passage state at the time of high pressure is higher than the water pressure P1 of the water passage state at the time of medium pressure shown in FIG. 5 by the water pressure P2 received by the pressure receiving portion 48c of the pressure regulating valve body 48 of the pressure regulating valve 36. Then, the relative distance d2 between the rear end side edge portion 48d of the pressure regulating valve body 48 and the inlet 24d of the mounting chamber 24c of the water side water passage 24 is the pressure regulating valve at the time of medium pressure of the water pressure P1 shown in FIG. The rear end side edge 48d of the body 48 and the relative distance d1 between the inlet 24d of the mounting chamber 24c of the water side water passage 24 are smaller than the rear end side edge 48d of the pressure regulating valve body 48 and the water. The flow path between the side water passage 24 and the inlet 24d of the mounting chamber 24c becomes narrow, and the pressure is adjusted by reducing the flow rate of the water passing through the pressure regulating valve body 48 of the pressure regulating valve 36.

一方、調圧弁３６の調圧弁体４８の受圧部４８ｃで受圧した水圧Ｐ１が所定値未満である場合には、調圧弁体４８から調圧ばね５０の軸方向に作用する圧縮荷重も所定値未満となり、調圧ばね５０は軸方向に圧縮されることなく、調圧弁体４８の首部４８ｅの前端部４８ｆが、止水栓部材３４の回転軸部４２の前端部近傍の所定位置Ａの止め環部材５４に当接し、調圧弁体４８の後端側口縁部４８ｄと水側通水路２４の取付室２４ｃの流入口２４ｄとの相対的な距離は、図５に示す水圧Ｐ１の中圧時の調圧弁体４８の後端側口縁部４８ｄと水側通水路２４の取付室２４ｃの流入口２４ｄとの相対的な距離ｄ１よりも大きくなる。   On the other hand, when the water pressure P1 received by the pressure receiving portion 48c of the pressure regulating valve body 48 of the pressure regulating valve 36 is less than a predetermined value, the compression load acting in the axial direction of the pressure regulating spring 50 from the pressure regulating valve body 48 is also less than the predetermined value. Thus, the pressure regulating spring 50 is not compressed in the axial direction, and the front end 48f of the neck 48e of the pressure regulating valve body 48 is a retaining ring at a predetermined position A in the vicinity of the front end of the rotary shaft 42 of the water stop cock member 34. The relative distance between the rear end side edge portion 48d of the pressure regulating valve body 48 and the inflow port 24d of the mounting chamber 24c of the water-side water passage 24 is in contact with the member 54, at the time of the medium pressure P1 shown in FIG. It becomes larger than the relative distance d1 between the rear end side edge 48d of the pressure regulating valve body 48 and the inlet 24d of the mounting chamber 24c of the water side water passage 24.

その後、通水状態の２次側通水路３２内の水は、水側脚部材２０の下流側接続部２８（湯水混合水栓装置本体４の水側流入部８）から湯水混合水栓装置本体４内に流れ込み、この本体４内で湯側脚部材１８から流れ込んだ湯と混合される。この湯水混合水栓装置本体４内で湯水が混合される際、温度調節装置１４によって混合された湯水の温度が調整され、その後、スパウト１０の吐水口１０ａまたはシャワーホース１２へ送られて吐水される。   After that, the water in the secondary water passage 32 in the water passage state flows from the downstream connection portion 28 of the water-side leg member 20 (the water-side inflow portion 8 of the hot-water mixing faucet device body 4) to the hot-water mixing faucet device body. 4 flows into the main body 4 and is mixed with the hot water flowing from the hot water side leg member 18 in the main body 4. When hot water is mixed in the hot water / water mixing faucet body 4, the temperature of the hot water mixed by the temperature adjusting device 14 is adjusted, and then sent to the spout 10 a of the spout 10 or the shower hose 12 to discharge water. The

また、湯水混合水栓装置本体４側の各部や、フィルター部材５８等の調圧弁３６の各部についてメンテナンスを行う際には、まず、吐水口／シャワー切替装置１６によって湯水混合水栓装置２のスパウト１０の吐水口１０ａ若しくはシャワーホース１２を開放する。このようにすることで、確実に止水されていることを確認できるようになる。   Further, when performing maintenance on each part of the hot water / mixing faucet device body 4 side and each part of the pressure regulating valve 36 such as the filter member 58, first, the spout of the hot / cold water mixing faucet apparatus 2 is used by the spout / shower switching device 16. The 10 spouts 10a or the shower hose 12 are opened. By doing in this way, it becomes possible to confirm that the water has been reliably stopped.

つぎに、調圧機能付き止水栓装置１の止水栓部材３４の止水弁体部４４が流入口２４ｄを閉鎖するように、止水栓部材３４の回転軸部４２の操作部４２ｂのキー溝４２ｃを回転させて、止水栓部材３４の雄ねじ部４０を中心軸線Ｃの軸線回りに回転し、止水栓部材３４の雄ねじ部４０が、螺合する水側通水路２４の雌ねじ部２４ｅに沿って回転すると、止水栓部材３４の回転軸部４２及び雄ねじ部４０が軸方向上流側（後方）に移動する。これにより、止水栓部材３４の止水弁体部４４の後側支持突起４４ｂの後端部（回転軸部４２の後端部４２ａ）及びパッキン４６の後端面４６ａが水側通水路２４の取付室２４ｃの流入口２４ｄに当接して密着し、１次側通水路３０及び２次側通水路３２が止水状態となる（図４参照）。このとき、調圧弁３６の調圧弁体４８の首部４８ｅ及び側壁部４８ｈのそれぞれについても、止水栓ガイド部材本体５６の前側ガイド部５６ｃ及び後側ガイド部５６ｄのそれぞれによって軸方向上流側（後方）にガイドされる。   Next, the operation portion 42b of the rotating shaft portion 42 of the water stop cock member 34 is closed so that the water stop valve body portion 44 of the water stop cock member 34 of the water stop cock device 1 with a pressure adjusting function closes the inlet 24d. The key groove 42c is rotated to rotate the male threaded portion 40 of the water faucet member 34 around the axis of the central axis C, and the male threaded portion 40 of the water faucet member 34 is screwed into the female threaded portion of the water-side water passage 24. When it rotates along 24e, the rotating shaft part 42 and the external thread part 40 of the water stopcock member 34 will move to an axial direction upstream (back). As a result, the rear end portion (rear end portion 42a of the rotating shaft portion 42) of the water stop valve body portion 44 of the water stop valve member 44 and the rear end surface 46a of the packing 46 are connected to the water side water passage 24. The primary side water passage 30 and the secondary side water passage 32 are in a water stop state (see FIG. 4). At this time, each of the neck portion 48e and the side wall portion 48h of the pressure regulating valve body 48 of the pressure regulating valve 36 is also axially upstream (rearward) by the front guide portion 56c and the rear guide portion 56d of the stop cock guide member main body 56, respectively. ).

その後、止水栓ガイド部材３８の止水栓ガイド部材本体５６の雄ねじ５６ｂと水側脚部材２０の調圧機能付き止水栓装置１の取付部２０ｃの雌ねじ２０ｄとの螺合を解除するように止水栓ガイド部材本体５６の操作部５６ｅを中心軸線Ｃの軸回りに回転させることにより、止水栓ガイド部材本体５６とフィルター部材５８を一体的に回転させることにより、止水栓部材３４の止水弁体部４４及びパッキン４６が水側通水路２４の取付室２４ｃの流入口２４ｄを閉鎖して１次側通水路３０を止水した状態にしたまま、止水栓ガイド部材本体５６とフィルター部材５８を水側脚部材２０の取付部２０ｃから取り外す。   Thereafter, the male screw 56b of the water faucet guide member main body 56 of the water faucet guide member 38 and the female screw 20d of the mounting portion 20c of the water faucet device 1 with a pressure adjusting function of the water side leg member 20 are released. By rotating the operation portion 56e of the water faucet guide member main body 56 about the axis of the central axis C, the water faucet guide member main body 56 and the filter member 58 are rotated integrally, thereby the water faucet member 34. The water stop valve guide member main body 56 while the water stop valve body 44 and the packing 46 close the inlet 24d of the mounting chamber 24c of the water side water passage 24 and keep the primary side water passage 30 still water. And the filter member 58 are removed from the attachment portion 20 c of the water-side leg member 20.

さらに、フィルター部材５８についてメンテナンスを行う場合には、フィルター部材５８を止水栓ガイド部材本体５６に対して軸方向に引く抜くことにより、フィルター部材５８を止水栓ガイド部材本体５６から取り外す。
また、調圧弁３６についてメンテナンスを行う場合には、止水栓部材３４の止水弁体部４４及びパッキン４６が水側通水路２４の取付室２４ｃの流入口２４ｄを閉鎖して１次側通水路３０を止水した状態にしたまま、止水栓ガイド部材本体５６とフィルター部材５８を取り外した状態で、止め環部材５４と止水栓部材３４の回転軸部４２の切欠き４２ｄとの嵌合を解除し、調圧弁３６の調圧弁体４８や調圧ばね５０を止水栓部材３４に対して前方に引き出すことにより、水側脚部材２０の取付部２０ｃの内部から前方に取り出す。 Further, when performing maintenance on the filter member 58, the filter member 58 is removed from the stop cock guide member main body 56 by pulling the filter member 58 in the axial direction with respect to the stop cock guide member main body 56.
When maintenance is performed on the pressure regulating valve 36, the water stop valve body 44 and the packing 46 of the water stop cock member 34 close the inlet 24 d of the mounting chamber 24 c of the water side water passage 24 to close the primary side passage. With the water passage 30 still stopped, the stop cock guide member main body 56 and the filter member 58 are removed, and the stop ring member 54 and the notch 42d of the rotary shaft portion 42 of the stop cock member 34 are fitted. The combination is released, and the pressure regulating valve body 48 and the pressure regulating spring 50 of the pressure regulating valve 36 are pulled forward with respect to the water stop cock member 34 to be taken forward from the inside of the attachment portion 20c of the water side leg member 20.

また、調圧弁３６のメンテナンスの終了後、調圧弁３６を止水栓部材３４に取り付けた後、止水栓ガイド部材本体５６とフィルター部材５８を調圧弁３６の軸方向外側（前方）から水側脚部材２０の取付部２０ｃに取り付ける。その後、止水状態の水側脚部材２０を再び通水状態に設定する場合には、止水弁体部４４が流入口２４ｄを開放するように、止水栓部材３４の回転軸部４２の操作部４２ｂのキー溝４２ｃを回転させて、止水栓部材３４の雄ねじ部４０を中心軸線Ｃの軸線回りに回転し、止水栓部材３４の回転軸部４２及び雄ねじ部４０が軸方向下流側（前方）に移動する。これにより、止水栓部材３４の止水弁体部４４の後側支持突起４４ｂの後端部（回転軸部４２の後端部４２ａ）及びパッキン４６の後端面４６ａが水側通水路２４の取付室２４ｃの流入口２４ｄから離間し、流入口２４ｄが開放されて１次側通水路３０及び２次側通水路３２が通水状態となる（図５及び図９参照）。   In addition, after the maintenance of the pressure regulating valve 36 is completed, the pressure regulating valve 36 is attached to the water stop cock member 34, and then the water stop cock guide member main body 56 and the filter member 58 are moved from the axially outer side (front) of the pressure regulating valve 36 to the water side. It attaches to the attachment part 20c of the leg member 20. Thereafter, when the water-side water-side leg member 20 is set to the water-passing state again, the water-stop valve body 44 of the rotary shaft 42 of the water-stopper member 34 is opened so as to open the inlet 24d. The key groove 42c of the operation portion 42b is rotated to rotate the male screw portion 40 of the water stop cock member 34 about the axis of the central axis C, and the rotary shaft portion 42 and the male screw portion 40 of the water stop cock member 34 are axially downstream. Move to the side (forward). As a result, the rear end portion (rear end portion 42a of the rotating shaft portion 42) of the water stop valve body portion 44 of the water stop valve member 44 and the rear end surface 46a of the packing 46 are connected to the water side water passage 24. It separates from the inflow port 24d of the attachment chamber 24c, the inflow port 24d is opened, and the primary side water flow path 30 and the secondary side water flow path 32 will be in a water flow state (refer FIG.5 and FIG.9).

上述した本発明の第１実施形態の調圧機能付き止水栓装置１を備えた湯水混合水栓装置２によれば、調圧弁３６の調圧ばね５０が調圧弁体４８の内部のばね室５２に設けられ、この調圧ばね５０の後端部５０ａが止水栓部材３４の止水弁体部４４の前側支持突起４４４ａに当接し、調圧ばね５０の前端部５０ｂが調圧弁体４８の肩部４８ｂ（受圧部４８ｃ）の内面を軸方向外側（前方）に付勢する構造となっていることに加え、調圧弁３６の調圧弁体４８が止水栓部材３４の回転軸部４２、止水弁体部４４、パッキン４６及び調圧ばね５０のそれぞれの外周を取り囲むようにほぼ筒状に形成され、調圧ばね５０と止水栓部材３４の止水弁体部４４が調圧弁３６の調圧弁体４８の内部に収容されている構造となっている。したがって、止水栓部材３４の止水弁体部４４が調圧弁３６の調圧弁体４８の外部の軸方向に直列に配置された構造に比べて、止水栓部材３４の止水弁体部４４から調圧弁３６の調圧弁体４８の受圧部４８ｃまでの軸方向の距離を短くすることができ、調圧機能付き止水栓装置１の全体の軸方向の長さを短くすることができる。したがって、調圧機能付き止水栓装置１の全体の大きさについて、従来の調圧機能を備えていない止水栓装置全体の大きさの程度に抑えることができ、調圧機能を備えていない従来の止水栓装置が取り付けられていた湯水混合水栓装置の脚部材の通水路の取付箇所においても、従来の止水栓装置を取り外して本実施形態の調圧機能付き止水栓装置１を容易に取り換えることができる。また、止水栓部材３４の止水弁体部４４が水側通水路２４の取付室２４ｃの流入口２４ｄを閉鎖している止水状態で止水栓ガイド部材３８の止水栓ガイド部材本体５６とフィルター部材５８を水側脚部材２０の取付部２０ｃから取り外すことができるため、止水状態を維持しながら、調圧弁３６や止水栓ガイド部材３８のフィルター部材５８のメンテナンスを容易に行うことができる。   According to the hot-water / water-mixing faucet device 2 including the water stop device 1 with the pressure regulating function of the first embodiment of the present invention described above, the pressure regulating spring 50 of the pressure regulating valve 36 is a spring chamber inside the pressure regulating valve body 48. 52, the rear end portion 50a of the pressure regulating spring 50 abuts on the front support protrusion 444a of the water stop valve body portion 44 of the water stop cock member 34, and the front end portion 50b of the pressure regulating spring 50 is the pressure regulation valve body 48. In addition to the structure in which the inner surface of the shoulder portion 48 b (pressure receiving portion 48 c) is biased outward (forward) in the axial direction, the pressure regulating valve body 48 of the pressure regulating valve 36 is the rotating shaft portion 42 of the water stop cock member 34. The water stop valve body 44, the packing 46, and the pressure regulating spring 50 are formed in a substantially cylindrical shape so as to surround the outer peripheries thereof, and the water stop valve body 44 of the water pressure regulating spring 50 and the water stop plug member 34 is formed by the pressure regulating valve. The structure is accommodated in 36 pressure regulating valve bodies 48. Therefore, compared to a structure in which the water stop valve body 44 of the water stop cock member 34 is arranged in series in the axial direction outside the pressure control valve body 48 of the pressure control valve 36, the water stop valve body portion of the water stop cock member 34 is compared. The axial distance from 44 to the pressure receiving portion 48c of the pressure regulating valve body 48 of the pressure regulating valve 36 can be shortened, and the overall axial length of the water stop cock device 1 with a pressure regulating function can be shortened. . Therefore, about the whole magnitude | size of the water stop cock apparatus 1 with a pressure regulation function, it can suppress to the grade of the magnitude | size of the whole water stop cock apparatus which is not provided with the conventional pressure regulation function, and does not have a pressure regulation function. The water stopcock device 1 with pressure regulation function of the present embodiment is also removed from the attachment point of the water passage of the leg member of the hot and cold water mixing device to which the conventional water stopcock device is attached. Can be easily replaced. Further, the stopcock guide member main body of the stopcock guide member 38 in the water stop state where the stop valve body portion 44 of the stopcock member 34 closes the inlet 24d of the mounting chamber 24c of the water-side water passage 24. 56 and the filter member 58 can be removed from the attachment portion 20c of the water-side leg member 20, so that the maintenance of the filter member 58 of the pressure regulating valve 36 and the stop cock guide member 38 is easily performed while maintaining the water stop state. be able to.

また、本実施形態の調圧機能付き止水栓装置１を備えた湯水混合水栓装置２によれば、調圧弁３６の調圧弁体４８が止水栓部材３４の回転軸部４２の前端部近傍の所定位置Ａ１所定位置よりも軸方向外側に移動しないように規制するための手段として、簡易な構造である止め環部材５４を採用し、止水栓部材３４の回転軸部４２の前端部近傍の所定位置Ａ１に形成された切欠き４２ｄに嵌め込むことにより、この止め環部材５４が調圧弁３６の調圧弁体４８の首部４８ｅの前端部４８ｆに当接可能に半径方向外側に突出し、止水栓部材３４の回転軸部４２に対する調圧弁３６の調圧弁体４８の軸方向の移動範囲を容易に規制することができる。したがって、簡単な構造によって調圧機能付き止水栓装置１の全体の軸方向の長さを効果的に抑えることができる。   Further, according to the hot and cold water mixing apparatus 2 including the water stop apparatus 1 with the pressure adjusting function of the present embodiment, the pressure adjusting valve body 48 of the pressure adjusting valve 36 is the front end portion of the rotating shaft part 42 of the water stop plug member 34. A stopper ring member 54 having a simple structure is adopted as a means for restricting movement from the predetermined position A1 in the vicinity so as not to move outward in the axial direction, and the front end portion of the rotary shaft portion 42 of the water stopper member 34 is adopted. By fitting into a notch 42d formed at a predetermined position A1 in the vicinity, the retaining ring member 54 protrudes radially outward so that it can come into contact with the front end 48f of the neck 48e of the pressure regulating valve body 48 of the pressure regulating valve 36. The axial movement range of the pressure regulating valve body 48 of the pressure regulating valve 36 relative to the rotary shaft portion 42 of the water stop cock member 34 can be easily regulated. Therefore, it is possible to effectively suppress the overall axial length of the water stopper device 1 with a pressure adjusting function with a simple structure.

さらに、本実施形態の調圧機能付き止水栓装置１を備えた湯水混合水栓装置２によれば、止水栓部材３４の止水弁体部４４のパッキン４６が、水側通水路２４が止水状態のときに、水側通水路２４の取付室２４ｃの流入口２４ｄをパッキン４６の後端面４６ａにより密封する機能と、水側通水路２４が通水状態のときに、調圧弁３６の調圧弁体４８がパッキン４６に対して軸方向に摺動可能となるように調圧弁３６の調圧弁体４８の内周面４８ａとパッキン４６の外周面４６ｂとの隙間を密封する機能を兼ね備えることができるため、パッキン４６を含めた止水栓部材３４の止水弁体部４４の軸方向の幅を抑えることができ、この止水弁体部３４に当接する調圧弁３６の調圧ばね５０の後端部５０ａの取付位置をより水側通水路２４の取付室２４ｃの流入口２４ｄ側に設定することができる。したがって、調圧機能付き止水栓装置１の全体の軸方向の長さをより効果的に抑えることができる。   Furthermore, according to the hot water and water mixing faucet device 2 provided with the water faucet device 1 with pressure regulating function of the present embodiment, the packing 46 of the water shutoff valve body 44 of the water faucet member 34 is connected to the water side water passage 24. When the water-side water passage 24 is in the water passage state, the inlet 24d of the mounting chamber 24c of the water-side water passage 24 is sealed by the rear end surface 46a of the packing 46, and when the water-side water passage 24 is in the water passage state, the pressure regulating valve 36 The pressure regulating valve body 48 has a function of sealing the gap between the inner peripheral surface 48 a of the pressure regulating valve body 48 and the outer peripheral surface 46 b of the packing 46 so that the pressure regulating valve body 48 can slide in the axial direction with respect to the packing 46. Therefore, the axial width of the water stop valve body portion 44 of the water stop valve member 34 including the packing 46 can be suppressed, and the pressure regulating spring of the pressure regulating valve 36 that contacts the water stop valve body portion 34 can be suppressed. The mounting position of the rear end portion 50a of the water 50 is the mounting chamber of the water side water passage 24 It can be set to 4c inlet 24d side. Accordingly, the overall axial length of the water stopper device 1 with a pressure regulating function can be more effectively suppressed.

また、本実施形態の調圧機能付き止水栓装置１を備えた湯水混合水栓装置２によれば、湯水混合水栓装置本体４の上流側に接続される湯側脚部材１８及び水側脚部材２０のそれぞれに取り付けられた調圧機能付き止水栓装置１の止水栓部材３４の回転軸部４２の操作部４２ｂを操作することにより、止水栓部材３４の止水栓弁部４４が各脚部材１８，２０の各通水路２２，２４の取付室２４ｃの流入口２４ｄを閉鎖して止水操作を容易に行うことができると共に、止水状態において止水栓ガイド部材３８を各脚部材１８，２０から取り外すことにより、止水状態を維持しながら、調圧弁３６や止水栓ガイド部材３８のフィルター部材５８のメンテナンスを容易に行うことができる。さらに、現場で湯側通水路１８及び水側通水路２０のそれぞれから湯水混合水栓装置本体４に供給される湯と水のそれぞれの供給圧力が大きく異なる場合であっても、調圧機能付き止水栓装置１の調圧弁３６を通過する水の圧力がほぼ一定に調整されるため、湯水混合水栓装置本体４に供給された湯水が、温度調節装置１４により設定された温度とほぼ等しい温度に調節され、湯水混合水栓装置１のスパウト１０又はシャワーホース１２から適温な湯水を吐出することができる。   Moreover, according to the hot-water mixed faucet device 2 provided with the water stop device 1 with a pressure regulation function of this embodiment, the hot water side leg member 18 connected to the upstream side of the hot-water mixed faucet device main body 4 and the water side By operating the operation part 42b of the rotating shaft part 42 of the stop cock member 34 of the stop cock apparatus 1 with a pressure regulation function attached to each of the leg members 20, the stop cock valve part of the stop cock member 34 is operated. 44 can close the inflow port 24d of the attachment chamber 24c of the water passages 22 and 24 of the leg members 18 and 20 to easily perform the water stop operation, and the stop cock guide member 38 can be used in the water stop state. By removing from the leg members 18 and 20, maintenance of the pressure regulating valve 36 and the filter member 58 of the stop cock guide member 38 can be easily performed while maintaining the water stop state. Furthermore, even when the supply pressures of hot water and water supplied from the hot water side water passage 18 and the water side water passage 20 to the hot water mixing faucet body 4 are greatly different from each other on site, the pressure adjusting function is provided. Since the pressure of the water passing through the pressure regulating valve 36 of the stop cock device 1 is adjusted to be substantially constant, the hot water supplied to the hot water mixed tap device body 4 is substantially equal to the temperature set by the temperature control device 14. The temperature is adjusted, and hot water can be discharged from the spout 10 or the shower hose 12 of the hot and cold water mixing apparatus 1.

つぎに、図１０を参照して、本発明の第２実施形態による調圧機能付き止水栓装置を備えた水栓装置について説明する。
図１０は、本発明の第２実施形態による低圧時の通水状態の調圧機能付き止水栓装置を備えた水栓装置の水側脚部材の部分を拡大した部分拡大断面図である。
ここで、図１０において、本発明の第１実施形態による調圧機能付き止水栓装置を備えた水栓装置と同一の部分については同一の符号を付し、それらの説明は省略する。 Next, with reference to FIG. 10, the faucet device provided with the water stop cock device with a pressure regulation function by 2nd Embodiment of this invention is demonstrated.
FIG. 10: is the elements on larger scale which expanded the part of the water side leg member of the water faucet device provided with the water stop device with a pressure regulation function of the water flow state at the time of the low pressure by 2nd Embodiment of this invention.
Here, in FIG. 10, the same code | symbol is attached | subjected about the same part as the water faucet device provided with the water stop cock device with a pressure regulation function by 1st Embodiment of this invention, and those description is abbreviate | omitted.

図１０に示すように、本発明の第２実施形態による調圧機能付き止水栓装置１００においては、止水栓ガイド部材１３８が、上述した本発明の第１実施形態の調圧機能付き止水栓装置１の止水栓ガイド部材本体５６と同一の構成を備え、第１実施形態の調圧機能付き止水栓装置１の止水栓ガイド部材３８のフィルター部材５８を省略している点で第１実施形態による調圧機能付き止水栓装置１と異なっている。   As shown in FIG. 10, in the stop cock device 100 with a pressure control function according to the second embodiment of the present invention, the stop cock guide member 138 is the stop with a pressure control function of the first embodiment of the present invention described above. The same structure as the stop cock guide member main body 56 of the faucet device 1 is provided, and the filter member 58 of the stop cock guide member 38 of the stop cock device 1 with a pressure adjusting function of the first embodiment is omitted. Thus, it differs from the stop cock device 1 with a pressure regulating function according to the first embodiment.

本発明の第２実施形態による調圧機能付き止水栓装置１００によれば、第１実施形態の調圧機能付き止水栓装置１の止水栓ガイド部材３８のフィルター部材５８を省略しているため、調圧機能付き止水栓装置１００の全体の軸方向の長さをさらに短くすることができる。   According to the water faucet device 100 with the pressure regulating function according to the second embodiment of the present invention, the filter member 58 of the water faucet guide member 38 of the water faucet device 1 with the pressure regulating function according to the first embodiment is omitted. Therefore, the overall axial length of the water stopper device 100 with a pressure adjusting function can be further shortened.

つぎに、図１１を参照して、本発明の第３実施形態による調圧機能付き止水栓装置を備えた水栓装置について説明する。
図１１は、本発明の第３実施形態による低圧時の通水状態の調圧機能付き止水栓装置を備えた水栓装置の水側脚部材の部分を拡大した部分拡大断面図である。
ここで、図１１において、本発明の第１及び第２実施形態による調圧機能付き止水栓装置を備えた水栓装置と同一の部分については同一の符号を付し、それらの説明は省略する。 Next, with reference to FIG. 11, the faucet device provided with the water stop cock device with a pressure regulation function by 3rd Embodiment of this invention is demonstrated.
FIG. 11: is the elements on larger scale which expanded the part of the water side leg member of the water faucet device provided with the water stop device with a pressure regulation function of the water flow state at the time of the low pressure by 3rd Embodiment of this invention.
Here, in FIG. 11, the same code | symbol is attached | subjected about the same part as the faucet device provided with the water stop cock device with a pressure regulation function by 1st and 2nd embodiment of this invention, and those description is abbreviate | omitted. To do.

図１１に示すように、本発明の第３実施形態による調圧機能付き止水栓装置２００においては、止水栓部材２３４の止水弁体部２４４が、前後方向に所定間隔をおいて半径方向外側に突出するように形成された前側支持突起２４４ａ及び後側支持突起２４４ｂと、これらの前側支持突起２４４ａと後側支持突起２４４ｂとの間に取り付けられて保持される円環状のシール部材であるパッキン２４６と、前側支持突起２４４ａの外周面に形成されて半径方向内側に凹んだ凹部２４４ｃに嵌め込まれた円環状のシール部材であるオーリング２４８とを備えている。   As shown in FIG. 11, in the water stop cock device 200 with a pressure regulating function according to the third embodiment of the present invention, the water stop valve body portion 244 of the water stop cock member 234 has a radius at a predetermined interval in the front-rear direction. A front support protrusion 244a and a rear support protrusion 244b formed so as to protrude outward in the direction, and an annular seal member that is attached and held between the front support protrusion 244a and the rear support protrusion 244b. A packing 246 and an O-ring 248 that is an annular seal member that is formed on the outer peripheral surface of the front support protrusion 244a and is recessed inward in the radial direction are provided.

また、止水栓部材２３４の止水弁体部２４４の後側支持突起２４４ｂ及びパッキン２４６の後端面２４６ａが水側通水路２４の取付室２４ｃの流入口２４ｄに当接して密着しているときには、流入口２４ｄが弁座となって水側通水路２４の１次側通水路３０と２次側通水路３２とが止水された状態となるようになっている。   Further, when the rear side support protrusion 244b of the water stop valve body 244 of the water stop plug member 234 and the rear end surface 246a of the packing 246 are in contact with and closely contact the inlet 24d of the mounting chamber 24c of the water side water passage 24. The inflow port 24d serves as a valve seat so that the primary side water passage 30 and the secondary side water passage 32 of the water side water passage 24 are stopped.

一方、止水栓部材２３４の止水弁体部２４４の後側支持突起２４４ｂ及びパッキン２４６が水側通水路２４の取付室２４ｃの流入口２４ｄに当接していないときには、水側通水路２４の１次側通水路３０と２次側通水路３２とが通水された状態となり、調圧弁３６の調圧弁体４８がパッキン２４６の外周面２４６ｂに対して軸方向に摺動可能となり且つ水側通水路２４の取付室２４ｃ内に流入した水が調圧弁体４８の内部の調圧ばね５０のばね室５２内に浸入しないように、パッキン２４６の外周面２４６ｂとオーリング２４８の外周面２４８ａが調圧弁体４８の内周面４８ａとの隙間を密封するようになっている。   On the other hand, when the rear side support protrusion 244b and the packing 246 of the water stop valve body 244 of the water stop plug member 234 are not in contact with the inlet 24d of the mounting chamber 24c of the water side water passage 24, the water side water passage 24 The primary-side water passage 30 and the secondary-side water passage 32 are in a state where water is passed, so that the pressure-regulating valve body 48 of the pressure-regulating valve 36 is slidable in the axial direction with respect to the outer peripheral surface 246b of the packing 246, and the water-side The outer peripheral surface 246b of the packing 246 and the outer peripheral surface 248a of the O-ring 248 are arranged so that the water flowing into the mounting chamber 24c of the water passage 24 does not enter the spring chamber 52 of the pressure regulating spring 50 inside the pressure regulating valve body 48. A gap between the pressure regulating valve body 48 and the inner peripheral surface 48a is sealed.

さらに、止水栓部材２３４の止水弁体部２４４の前側支持突起２４４ａにおける前面には、調圧ばね５０の後端部５０ａが取り付けられる取付用凹部２４４ｄが形成されている。   Further, a mounting recess 244 d to which the rear end portion 50 a of the pressure regulating spring 50 is attached is formed on the front surface of the front support protrusion 244 a of the water stop valve body portion 244 of the water stop cock member 234.

上述した本発明の第３実施形態調圧機能付き止水栓装置２００によれば、止水栓部材２３４の止水弁体部２４４のパッキン２４６が、水側通水路２４が止水状態のときに、水側通水路２４の取付室２４ｃの流入口２４ｄをパッキン２４６の後端面２４６ａにより密封することができ、水側通水路２４が通水状態のときに、調圧弁３６の調圧弁体４８がパッキン２４６及びオーリング２４８に対して軸方向に摺動可能となるように調圧弁３６の調圧弁体４８の内周面４８ａとパッキン２４６の外周面２４６ｂ及びオーリング２４８の外周面２４８ａとの隙間を密封することができる。また、止水栓部材２３４の止水弁体部２４４の前側支持突起２４４ａの前面に形成されて調圧ばね５０の後端部５０ａが取り付けられる取付用凹部２４４ｄにより、止水弁体部２３４の取付用凹部２４４ｄに当接する調圧弁３６の調圧ばね５０の後端部５０ａの取付位置をより水側通水路２４の取付室２４ｃの流入口２４ｄ側に設定することができるため、調圧機能付き止水栓装置２００の全体の軸方向の長さをより効果的に抑えることができる。   According to the water stop cock device 200 with the pressure adjusting function of the third embodiment of the present invention described above, when the packing 246 of the water stop valve body portion 244 of the water stop cock member 234 is in the water stop state of the water side water passage 24. In addition, the inlet 24d of the mounting chamber 24c of the water-side water passage 24 can be sealed by the rear end surface 246a of the packing 246, and when the water-side water passage 24 is in a water-flowing state, the pressure regulating valve body 48 of the pressure regulating valve 36. Of the pressure regulating valve body 48 of the pressure regulating valve 36, the outer circumferential surface 246b of the packing 246, and the outer circumferential surface 248a of the O-ring 248 so that the axial slidable with respect to the packing 246 and the O-ring 248. The gap can be sealed. Further, the water stop valve body portion 234 is formed by a mounting recess 244d formed on the front surface of the front support projection 244a of the water stop valve body portion 244 of the water stop valve member 234 and to which the rear end portion 50a of the pressure regulating spring 50 is attached. Since the mounting position of the rear end portion 50a of the pressure regulating spring 50 of the pressure regulating valve 36 that contacts the mounting recess 244d can be set closer to the inlet 24d side of the mounting chamber 24c of the water-side water passage 24, the pressure regulating function The overall axial length of the attached water stopper device 200 can be more effectively suppressed.

なお、上述した本発明の第１〜第３実施形態による調圧機能付き止水栓装置を備えた水栓装置においては、例として、湯水混合水栓装置であるサーモスタット混合栓に適用した形態ついて説明したが、このような形態に限定されず、例えば、湯水混合水栓装置については、サーモスタット混合栓以外にも、吐水及び止水を切り替える開閉弁について湯側用と水側用を共用するシングルレバータイプの混合栓や、開閉弁を湯側用と水側用で別々に設けた２ハンドルタイプの混合栓等に適用してもよい。あるいは、単水栓等にも適用してもよい。   In addition, in the faucet device provided with the water stop faucet device with a pressure regulation function according to the first to third embodiments of the present invention described above, as an example, a form applied to a thermostat mixing faucet that is a hot and cold water mixing faucet device Although explained, it is not limited to such a form. For example, for a hot and cold water mixing device, in addition to the thermostatic mixing device, a single that shares both the hot water side and the water side for an on-off valve that switches between water discharge and water stoppage. The present invention may be applied to a lever-type mixing plug, a two-handle type mixing plug in which an on-off valve is provided separately for the hot water side and the water side. Alternatively, it may be applied to a single faucet or the like.

つぎに、図１２を参照して、本発明の第４実施形態による調圧機能付き止水栓装置を備えた水栓装置について説明する。
図１２は本発明の第４実施形態による低圧時の通水状態の調圧機能付き止水栓装置を備えた水栓装置の水側脚部材の部分を拡大した部分拡大断面図である。
ここで、図１２において、本発明の第１〜第３実施形態による調圧機能付き止水栓装置を備えた水栓装置と同一の部分については同一の符号を付し、それらの説明は省略する。 Next, with reference to FIG. 12, the faucet device provided with the water stop cock device with a pressure regulation function by 4th Embodiment of this invention is demonstrated.
FIG. 12: is the elements on larger scale which expanded the part of the water side leg member of the water faucet device provided with the water stop device with the pressure regulation function of the water flow state at the time of the low pressure by 4th Embodiment of this invention.
Here, in FIG. 12, the same code | symbol is attached | subjected about the same part as the water faucet device provided with the water stop cock device with a pressure regulation function by 1st-3rd embodiment of this invention, and those description is abbreviate | omitted. To do.

図１２に示すように、本発明の第３実施形態による調圧機能付き止水栓装置１においては、調圧ばね５０は、軸方向の圧縮力により軸方向に伸縮可能な圧縮コイルばねであり、予め所定の圧縮荷重（予荷重）を与えられた状態で調圧ばね５０の後端部５０ａが止水栓部材３４の調圧ばね支持部に当接し、調圧ばね５０の前端部５０ｂが調圧弁体４８の肩部４８ｂの内面に当接している。   As shown in FIG. 12, in the water stopcock device 1 with a pressure regulating function according to the third embodiment of the present invention, the pressure regulating spring 50 is a compression coil spring that can be expanded and contracted in the axial direction by the axial compressive force. When the predetermined compression load (preload) is applied in advance, the rear end portion 50a of the pressure adjusting spring 50 contacts the pressure adjusting spring support portion of the water stop cock member 34, and the front end portion 50b of the pressure adjusting spring 50 is The pressure regulating valve body 48 is in contact with the inner surface of the shoulder 48b.

１ 調圧機能付き止水栓装置
２ 湯水混合水栓装置
４ 湯水混合水栓装置本体
６ 湯側流入部
８ 水側流入部
１０ スパウト
１０ａ 吐水口（吐水部）
１２ シャワーホース（吐水部）
１４ 温度調節装置
１６ カラン／シャワー切替装置（吐止水切替手段）
１８ 湯側脚部材
２０ 水側脚部材
２０ａ 水側脚部材の正面
２０ｂ 水側脚部材の背面
２０ｃ 水側脚部材の調圧機能付き止水栓装置の取付部
２０ｄ 水側脚部材の調圧機能付き止水栓装置の取付部の雌ねじ
２２ 湯側通水路
２４ 水側通水路
２４ａ 水側通水路の入口
２４ｂ 水側通水路の出口
２４ｃ 水側通水路の取付室
２４ｄ 水側通水路の取付室の流入口
２４ｅ 水側通水路の雌ねじ部
２６ 水側脚部材の上流側接続部
２８ 水側脚部材の下流側接続部
３０ １次側通水路
３２ ２次側通水路
３４ 止水栓部材
３６ 調圧弁
３８ 止水栓ガイド部材
４０ 止水栓部材の雄ねじ部
４０ａ 止水栓部材の雄ねじ部の前面
４０ｂ 止水栓部材の雄ねじ部の柱部
４０ｃ 止水栓部材の雄ねじ部の内周面
４２ 止水栓部材の回転軸部
４２ａ 止水栓部材の回転軸部の後端部
４２ｂ 止水栓部材の回転軸部の操作部
４２ｃ 止水栓部材の回転軸部の操作部のキー溝
４２ｄ 止水栓部材の回転軸部の切欠き
４４ 止水栓部材の止水弁体部
４４ａ 止水栓部材の止水弁体部の前側支持突起
４４ｂ 止水栓部材の止水弁体部の後側支持突起
４５ 止水栓部材の調圧ばね支持部
４６ パッキン（シール部材）
４６ａ パッキンの後端面
４６ｂ パッキンの外周面
４８ 調圧弁体
４８ａ 調圧弁体の内周面
４８ｂ 調圧弁体の肩部
４８ｃ 調圧弁体の受圧部
４８ｄ 調圧弁体の後端側口縁部
４８ｅ 調圧弁体の首部
４８ｆ 調圧弁体の首部の前端部
４８ｇ 調圧弁体の段部
４８ｈ 調圧弁体の側壁部
５０ 調圧ばね
５０ａ 調圧ばねの後端部
５０ｂ 調圧ばねの前端部
５２ ばね室
５４ 止め環部材
５６ 止水栓ガイド部材本体
５６ａ 止水栓ガイド部材本体の後端部の内周面
５６ｂ 止水栓ガイド部材本体の雄ねじ
５６ｃ 止水栓ガイド部材本体の前側ガイド部
５６ｄ 止水栓ガイド部材本体の後側ガイド部
５６ｅ 止水栓ガイド部材本体の操作部
５８ フィルター部材
５８ａ フィルター部材の取付用突起
５８ｂ フィルター部材の取付用突起
６０ 外側オーリング
６２ 内側オーリング
６４ Ｃ型リング DESCRIPTION OF SYMBOLS 1 Water stop faucet device with pressure regulation function 2 Hot water mixing faucet device 4 Hot water mixing faucet device body 6 Hot water side inflow part 8 Water side inflow part 10 Spout 10a Water outlet (water discharge part)
12 Shower hose (water discharge part)
14 Temperature control device 16 Curran / shower switching device (stopping water switching means)
18 Water-side leg member 20 Water-side leg member 20a Front side of water-side leg member 20b Back side of water-side leg member 20c Mounting part of water stopcock device with pressure-regulating function of water-side leg member 20d Pressure-regulating function of water-side leg member Female thread of attachment part of water stop device with water 22 Hot water side water passage 24 Water side water passage 24a Water side water passage inlet 24b Water side water passage outlet 24c Water side water passage installation chamber 24d Water side water passage installation chamber Inlet 24e Female threaded portion of water side passageway 26 Upstream connection portion of waterside leg member 28 Downstream side connection portion of waterside leg member 30 Primary side passageway 32 Secondary side passageway 34 Stop cock member 36 Pressure valve 38 Stop cock guide member 40 Male screw portion of stop cock member 40a Front surface of male screw portion of stop cock member 40b Column portion of male screw portion of stop cock member 40c Inner peripheral surface of male screw portion of stop cock member 42 Stop Rotating shaft part of faucet member 42a Rotating shaft of stop cock member Rear end portion 42b Operation portion of the rotation shaft portion of the water stop cock member 42c Key groove of the operation portion of the rotation shaft portion of the water stop cock member 42d Notch of the rotation shaft portion of the water stop cock member 44 Stop of the water stop cock member Water valve body 44a Water stop valve body front side support protrusion 44b Water stop valve member water stop valve body rear support protrusion 45 Water stop member pressure regulating spring support 46 Packing (seal Element)
46a Rear end surface of packing 46b Outer peripheral surface of packing 48 Pressure regulating valve body 48a Inner circumferential surface of pressure regulating valve body 48b Shoulder portion of pressure regulating valve body 48c Pressure receiving portion of pressure regulating valve body 48d Rear end side edge portion 48e of pressure regulating valve body Pressure regulating valve Body neck portion 48f Front end portion of neck portion of pressure regulating valve body 48g Step portion of pressure regulating valve body 48h Side wall portion of pressure regulating valve body 50 Pressure regulating spring 50a Rear end portion of pressure regulating spring 50b Front end portion of pressure regulating spring 52 Spring chamber 54 Stopping Ring member 56 Stop cock guide member main body 56a Inner peripheral surface 56b of the stop cock guide member main body 56b Male screw of the stop cock guide member main body 56c Front guide portion of the stop cock guide member main body 56d Stop cock guide member Main body rear guide portion 56e Stop cock guide member main body operation portion 58 Filter member 58a Filter member mounting protrusion 58b Filter member mounting protrusion 60 Outer O-ring 62 Inner O-ring 64 C-ring

Claims (7)

通水路を止水状態又は通水状態に切り替え、流出する水の圧力を調整する調圧機能付き止水栓装置であって、
水栓装置の上流側に形成される通水路内に螺合されるねじ部と、一端部が上記ねじ部の一部と一体的に形成されて他端部が長手方向軸線の軸線回りの回転操作可能な操作部となる回転軸部と、この回転軸部から半径方向外側に突出し上記ねじ部及び上記回転軸部の回転に応じて上記通水路の流入口に対して軸方向に相対的に移動して上記通水路の流入口を開閉する止水弁体部と、を備えた止水栓部材と、上記止水栓部材の回転軸部に対して軸方向に移動可能に取り付けられて上記止水栓部材の回転軸部及び止水弁体部のそれぞれの外周を取り囲むようにほぼ筒状に形成された調圧弁体と、この調圧弁体の内部に設けられて上記調圧弁体を軸方向外側に付勢する調圧ばねと、を備えた調圧弁であって、
上記調圧弁体は、上記調圧ばねからの上記回転軸部の軸方向において、上記雄ねじ部から上記操作部へ向かう方向である軸方向外側への付勢力を内側から受けると共に上記止水栓部材の止水弁体部が上記通水路の流入口を開放した通水状態のときに上記調圧弁体を上記回転軸部の軸方向において、上記操作部から上記雄ねじ部へ向かう方向である軸方向内側に移動させる水圧を外側から受ける受圧部を備え、この受圧部で受圧した上記調圧弁体が軸方向に移動することにより上記調圧弁体と上記通水路の流入口との相対的な距離を調整して上記通水路から上記水栓装置へ流出する水の圧力を調整する上記調圧弁と、を有し、
上記調圧ばねと、上記調圧弁体と、上記止水弁体部と、が一体的に取り外せるように組みつけられていることを特徴とする調圧機能付き止水栓装置。 A water faucet device with a pressure control function that switches the water channel to a water stop state or a water flow state and adjusts the pressure of the flowing water,
A threaded portion that is screwed into a water passage formed on the upstream side of the faucet device, and one end portion is formed integrally with a part of the threaded portion, and the other end portion is rotated about the longitudinal axis. A rotating shaft portion that is an operable operation portion, and projects radially outward from the rotating shaft portion to be relatively axially relative to the inlet of the water passage according to the rotation of the screw portion and the rotating shaft portion. A stop valve member that moves and opens and closes the inlet of the water passage, and a stop cock member that is attached to the rotary shaft portion of the stop cock member so as to be movable in the axial direction. A pressure regulating valve body formed in a substantially cylindrical shape so as to surround the outer periphery of each of the rotating shaft portion and the water shutoff valve body portion of the water stop cock member, and the pressure regulating valve body provided inside the pressure regulating valve body as a shaft A pressure regulating valve having a pressure regulating spring biased outward in the direction,
The pressure regulating valve body receives an urging force from the inside in the axial direction of the rotary shaft portion from the pressure regulating spring toward the operation portion from the male screw portion from the inside, and the stop cock member An axial direction that is a direction from the operation portion toward the male screw portion in the axial direction of the rotary shaft portion when the water stop valve body portion is in a water passage state in which the inlet of the water passage is opened A pressure receiving portion that receives water pressure to be moved inward from the outside is provided, and the pressure regulating valve body that has received pressure by the pressure receiving portion moves in the axial direction, whereby the relative distance between the pressure regulating valve body and the inlet of the water passage is set. The pressure regulating valve for adjusting and adjusting the pressure of water flowing out from the water passage to the faucet device,
A water stop cock with a pressure adjusting function, wherein the pressure adjusting spring, the pressure adjusting valve body, and the water stop valve body portion are assembled so as to be integrally removable . 上記止水栓部材の回転軸部は、上記調圧弁の調圧ばねが上記調圧弁体の受圧部を軸方向
外側に付勢しているときに、上記調圧弁体が上記止水栓部材の回転軸部の所定位置よりも
軸方向外側に移動しないように規制するための移動規制手段を備えている請求項１記載の
調圧機能付き止水栓装置。 The rotary shaft portion of the water stop valve member is configured such that when the pressure adjusting spring of the pressure control valve biases the pressure receiving portion of the pressure control valve body axially outward, the pressure control valve body is The stopcock device with a pressure regulating function according to claim 1, further comprising movement restricting means for restricting the rotation shaft portion from moving outward in the axial direction from a predetermined position. 上記移動規制手段は、上記止水栓部材の回転軸部の所定位置に形成された切欠きに嵌め込まれて上記調圧弁体の軸方向外側端部に当接可能に半径方向外側に突出する止め環部材
である請求項２記載の調圧機能付き止水栓装置。 The movement restricting means is a stopper that is fitted into a notch formed at a predetermined position of the rotary shaft portion of the water stop cock member and protrudes radially outward so as to be able to contact the axially outer end portion of the pressure regulating valve body. The water faucet device with a pressure regulating function according to claim 2, which is a ring member. 上記通水路に取り付けられた状態で上記止水栓部材の回転軸部の操作部が操作可能とな
るように上記止水栓部材及び上記調圧弁の外周の一部を取り囲み、上記止水栓部材及び上
記調圧弁の軸方向の移動をガイドする止水栓ガイド部材を有し、
上記止水栓ガイド部材は、上記通水路に取り付けられた上記止水栓部材及び上記調圧弁
に軸方向外側から着脱可能に取り付けられ、
上記止水栓部材の止水弁体部が上記通水路の流入口を閉鎖している止水状態で上記通水
路から取り外し可能であり、
止水栓ガイド部材本体と、上記調圧弁の調圧弁体の外周側の通水路を取り囲むように上
記止水栓ガイド部材本体に取り付けられて上記通水路から流出する水をろ過するフィルタ
ー部材と、を備えている請求項１乃至３の何れか１項記載の調圧機能付き止水栓装置。 Surrounding part of the outer periphery of the stop cock member and the pressure regulating valve so that the operation part of the rotating shaft part of the stop cock member can be operated in a state of being attached to the water passage, the stop cock member and has a stop faucet guide member you guide the axial movement of the pressure regulating valve,
The stop cock guide member is detachably attached to the stop cock member and the pressure regulating valve attached to the water passage from the outside in the axial direction,
The water stop valve body portion of the water stop plug member is removable from the water passage in the water stop state where the inlet of the water passage is closed,
A stop cock guide member main body, and a filter member that is attached to the stop cock guide member main body so as to surround the water passage on the outer peripheral side of the pressure regulating valve body of the pressure regulating valve and filters water flowing out from the water passage; The water stop cock device with a pressure regulation function according to any one of claims 1 to 3. 上記調圧ばねは一端部が止水弁体部に当接し、他端部が調圧弁体と当接している請求項１乃至４の何れか１項に記載の調圧機能付き止水栓装置。 5. The water stop cock device with a pressure regulating function according to claim 1, wherein one end portion of the pressure regulating spring is in contact with the water stop valve body portion and the other end portion is in contact with the pressure regulating valve body. . 請求項１乃至５の何れか１項に記載の調圧機能付き止水栓装置を備えた水栓装置であっ
て、
吐水口が形成された水栓装置本体と、
吐水状態と止水状態に切り替える吐止水切替手段と、を有することを特徴とする水栓装
置。 A faucet device comprising the water stop device with a pressure regulating function according to any one of claims 1 to 5,
A faucet body having a water outlet,
A faucet device comprising: a water stopping / switching means for switching between a water discharging state and a water stopping state. 湯と水を混合して所定温度に調節した湯水を吐水又は止水する、請求項１乃至５の何れ
か１項に記載の調圧機能付き止水栓装置を備えた湯水混合水栓装置であって、
湯と水が混合される湯水混合水栓装置本体と、
この湯水混合水栓装置本体に設けられた吐水部と、
吐水状態と止水状態に切り替える吐止水切替手段と、
上記湯水混合水栓装置本体の上流側に接続され、湯側通水路を形成する湯側脚部材と、
上記湯水混合水栓装置本体の上流側に接続され、水側通水路を形成する水側脚部材と、
を有することを特徴とする調圧機能付き止水栓装置を備えた湯水混合水栓装置。 A hot water and water mixing faucet device comprising the water stop cock device with pressure regulating function according to any one of claims 1 to 5, wherein hot water and water adjusted to a predetermined temperature by mixing hot water and water are discharged or stopped. There,
A hot and cold water mixing faucet body in which hot water and water are mixed;
A water discharge portion provided in the hot water and water mixing faucet body,
Water discharge switching means for switching between water discharge state and water stop state,
A hot water side leg member connected to the upstream side of the hot water and water faucet main body and forming a hot water side water passage,
A water-side leg member connected to the upstream side of the hot-water / water-mixing faucet body and forming a water-side water passage;
A hot and cold water mixing device equipped with a water stop device with a pressure adjusting function.
JP2012148234A 2012-07-02 2012-07-02 Stopcock device with pressure adjusting function, faucet device and hot-water mixed faucet device having the same Active JP5999484B2 (en)

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US4284102A (en) * 1978-06-28 1981-08-18 H. Adler Associates, Inc. Combination stop and pressure reducing valve
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JP4224600B2 (en) * 1999-09-01 2009-02-18 株式会社光合金製作所 Underground decompression stop cock
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