JP6497114B2

JP6497114B2 - Stopcock

Info

Publication number: JP6497114B2
Application number: JP2015031759A
Authority: JP
Inventors: 元井村; 浩成森部
Original assignee: ONDA MFG.CO.,LTD.
Current assignee: ONDA MFG.CO.,LTD.
Priority date: 2015-02-20
Filing date: 2015-02-20
Publication date: 2019-04-10
Anticipated expiration: 2035-02-20
Also published as: JP2016153672A

Description

本発明は、止水栓に関する。 The present invention relates to a water stop cock.

従来、配管等の途中に設けられ、水等の流体の流通を止めたり、流体の流量を調整したりするための止水栓が知られている。止水栓は、流体を流通させる流路を内部に設けた水栓本体と、水栓本体の流路を開閉可能に構成された弁部材とを備えている。弁部材は、こま式やボール式の弁体、その弁体に連結された弁軸（スピンドル）等を含んで構成されている。水栓本体には、弁部材を内側に収容する筒状の収容部が設けられている。 Conventionally, there is known a stop cock provided in the middle of a pipe or the like for stopping the flow of a fluid such as water or adjusting the flow rate of the fluid. The stop cock includes a faucet body provided therein with a flow path for allowing fluid to flow, and a valve member configured to open and close the flow path of the faucet body. The valve member includes a top-type or ball-type valve body, a valve shaft (spindle) connected to the valve body, and the like. The faucet body is provided with a cylindrical housing portion that houses the valve member inside.

弁部材を収容する収容部には、弁部材の抜け出しを抑制する部材が取り付けられている。例えば、特許文献１には、収容部の内周面に形成したネジ部にネジ部材を螺合固定し、このネジ部材によって収容部から弁部材の抜け出しを抑制する止水栓が開示されている。また、特許文献２には、収容部の内周面に形成した環状凹溝にＣリングを装着し、このＣリングによって収容部から弁部材の抜け出しを抑制する止水栓が開示されている。 A member that prevents the valve member from slipping out is attached to the housing portion that houses the valve member. For example, Patent Literature 1 discloses a water stop cock in which a screw member is screwed and fixed to a screw portion formed on an inner peripheral surface of a housing portion, and the valve member is prevented from coming out of the housing portion by the screw member. . Further, Patent Document 2 discloses a water stop cock in which a C-ring is attached to an annular groove formed on an inner peripheral surface of a housing portion and the valve member is prevented from coming out of the housing portion by the C-ring.

特開２００４−２９３０９６号公報JP 2004-293096 A 特開２０１４−１４９００１号公報JP 2014-149001 A

しかしながら、前記特許文献１の止水栓では、収容部の内周面のネジ部にネジ部材を螺合する。そのため、ネジ部材の取り付け及び取り外しが非常に煩雑となる。また、樹脂成形では、収容部の内周面にネジ部を成形することが困難である。そのため、収容部を含む水栓本体全体を一体的に樹脂成形することが困難である。 However, in the water cock of the said patent document 1, a screw member is screwed together with the screw part of the internal peripheral surface of an accommodating part. Therefore, the attachment and removal of the screw member becomes very complicated. Further, in resin molding, it is difficult to mold a screw portion on the inner peripheral surface of the housing portion. Therefore, it is difficult to integrally resin-mold the entire faucet body including the accommodating portion.

また、前記特許文献２の止水栓では、Ｃリングの着脱に専用の工具が必要となるため、Ｃリングの着脱が非常に煩雑となる。また、樹脂成形では、Ｃリングを装着する環状凹溝がアンダーカット形状となるため、収容部の内周面に環状凹溝を成形することが困難である。そのため、収容部を含む水栓本体全体を一体的に樹脂成形することが困難である。 Moreover, in the stop cock of the said patent document 2, since a tool for exclusive use is required for attachment or detachment of C ring, attachment and detachment of C ring become very complicated. Moreover, in resin molding, since the annular ditch | groove which mounts C ring becomes an undercut shape, it is difficult to shape | mold an annular ditch | groove in the internal peripheral surface of an accommodating part. Therefore, it is difficult to integrally resin-mold the entire faucet body including the accommodating portion.

本発明は、かかる背景に鑑みてなされたものであり、弁部材の抜け出しを抑制する部材の取り付け及び取り外しが容易であり、かつ、構造簡素化、小型化、製造容易化を図ることができる止水栓を提供しようとするものである。 The present invention has been made in view of such a background, and it is easy to attach and remove a member that suppresses the withdrawal of the valve member, and can be simplified in structure, downsized, and easily manufactured. It is intended to provide a faucet.

本発明の止水栓は、流体を流通させる流路を内部に設けた水栓本体と、該水栓本体の前記流路を開閉可能に構成された弁部材とを備え、前記水栓本体には、軸方向の一端を開口し、前記弁部材を内側に収容する筒状の収容部が設けられ、該収容部の開口側の端部には、前記収容部の内側に収容された前記弁部材を保持する保持部材が取り付けられ、該保持部材は、前記弁部材における前記収容部の開口側への移動を規制する規制部と、前記収容部の外周面を覆う被覆部とを有し、前記保持部材の前記被覆部及び前記収容部の前記外周面のうち、一方には、係止部が設けられ、他方には、前記係止部を案内する案内部と、該案内部に連通し、前記係止部が係止される被係止部とが設けられ、前記保持部材と前記収容部とは、一方に設けられた前記係止部が他方に設けられた前記案内部を介して案内され、前記被係止部に係止されている。 The water stop cock of the present invention includes a faucet body provided with a flow path for circulating a fluid therein, and a valve member configured to open and close the flow path of the faucet body. Is provided with a cylindrical accommodating portion that opens at one end in the axial direction and accommodates the valve member inside, and the valve accommodated inside the accommodating portion is provided at an end portion on the opening side of the accommodating portion. A holding member that holds the member is attached, and the holding member has a regulating portion that restricts movement of the accommodating portion toward the opening side of the valve member, and a covering portion that covers an outer peripheral surface of the accommodating portion, A locking portion is provided on one of the covering portion of the holding member and the outer peripheral surface of the housing portion, and on the other side, a guide portion that guides the locking portion, and a communication with the guide portion. A locked portion to which the locking portion is locked is provided, and the holding member and the accommodating portion are provided in one side The locking portion is guided through the guide portion provided in the other, the is engaged with the engaged portion.

前記止水栓において、水栓本体における収容部の開口側の端部には、弁部材を保持する保持部材が取り付けられている。保持部材と収容部とは、一方に設けられた係止部が他方に設けられた案内部を介して案内され、被係止部に係止されている。すなわち、係止部を被係止部に係止させるという簡易な構造で、保持部材が収容部に取り付けられている。 In the stop cock, a holding member for holding the valve member is attached to an end portion of the accommodating portion in the faucet body on the opening side. The holding member and the accommodating portion are guided by a locking portion provided on one side through a guide portion provided on the other side and locked to the locked portion. That is, the holding member is attached to the housing portion with a simple structure in which the locking portion is locked to the locked portion.

そのため、従来のネジ式やＣリング式の取り付け構造と比較して、収容部からの弁部材の抜け出しを抑制する部材（保持部材）の取り付けが非常に容易となる。また、保持部材の取り付け後、その保持部材の取り外しも非常に容易であるため、メンテナンス作業を行いやすくなる。 Therefore, as compared with a conventional screw type or C ring type mounting structure, it is very easy to mount a member (holding member) that prevents the valve member from coming out of the accommodating portion. In addition, after the holding member is attached, it is very easy to remove the holding member, so that maintenance work can be easily performed.

また、保持部材の取り付け構造を簡易としたことにより、収容部や収容部を含めた水栓本体全体の小型化を図ることができる。また、従来のように、収容部にネジ部やＣリングを装着する環状凹溝を設ける必要がないため、収容部を樹脂等で成形することができる。これにより、収容部を含めた水栓本体全体を樹脂等で一体的に成形することが可能となり、水栓本体の構造簡素化、製造容易化を図ることができる。 In addition, since the mounting structure of the holding member is simplified, the entire faucet body including the housing part and the housing part can be downsized. Further, unlike the conventional case, it is not necessary to provide the housing portion with an annular groove for mounting the screw portion or the C-ring, so that the housing portion can be formed of resin or the like. As a result, the entire faucet body including the housing portion can be integrally formed with resin or the like, and the structure of the faucet body can be simplified and the manufacture thereof can be facilitated.

また、保持部材は、弁部材における収容部の開口側への移動を規制する（弁部材が収容部から抜け出す方向に移動することを抑制する）規制部を有する。そのため、収容部に取り付けられた保持部材（特に規制部）によって、弁部材が収容部から抜け出すことを十分に抑制できる。 The holding member has a restricting portion that restricts movement of the accommodating portion of the valve member to the opening side (suppresses movement of the valve member in a direction of coming out of the accommodating portion). Therefore, it is possible to sufficiently suppress the valve member from coming out of the accommodating portion by the holding member (particularly the restricting portion) attached to the accommodating portion.

このように、本発明によれば、弁部材の抜け出しを抑制する部材の取り付け及び取り外しが容易であり、かつ、構造簡素化、小型化、製造容易化を図ることができる止水栓を提供することができる。 As described above, according to the present invention, there is provided a water stop cock in which a member that suppresses the withdrawal of the valve member can be easily attached and detached, and the structure can be simplified, downsized, and manufactured easily. be able to.

前記止水栓において、前記保持部材の前記被覆部には、前記係止部が設けられ、前記収容部の前記外周面には、前記案内部と前記被係止部とが設けられていてもよい。この場合には、水栓本体の収容部に対する保持部材の取り付け及び取り外しが非常に容易となる。 In the stop cock, the covering portion of the holding member may be provided with the locking portion, and the outer peripheral surface of the housing portion may be provided with the guide portion and the locked portion. Good. In this case, it is very easy to attach and remove the holding member to / from the housing portion of the faucet body.

また、前記収容部の前記外周面には、前記係止部が設けられ、前記保持部材の前記被覆部には、前記案内部と前記被係止部とが設けられていてもよい。この場合には、水栓本体の収容部に対する保持部材の取り付け及び取り外しが非常に容易となる。 Moreover, the said latching | locking part may be provided in the said outer peripheral surface of the said accommodating part, and the said guide part and the said to-be-latched part may be provided in the said coating | coated part of the said holding member. In this case, it is very easy to attach and remove the holding member to / from the housing portion of the faucet body.

また、前記案内部は、第１の方向に形成され、前記係止部を案内する入口である案内入口部を有する第１案内路と、前記第１の方向とは異なる第２の方向に形成され、前記被係止部に連通する第２案内路とを有していてもよい。この場合には、水栓本体の収容部に取り付けられた保持部材が収容部から容易に外れないようにすることができる。 The guide portion is formed in a first direction, and has a first guide path having a guide inlet portion that is an inlet for guiding the locking portion, and a second direction different from the first direction. And a second guide path communicating with the locked portion. In this case, it is possible to prevent the holding member attached to the housing portion of the faucet body from being easily detached from the housing portion.

実施形態１の止水栓を示す斜視図である。It is a perspective view which shows the water stop cock of Embodiment 1. FIG. 実施形態１の止水栓示す展開説明図である。FIG. 3 is a development explanatory view showing the water stop cock of the first embodiment. 止水栓（開弁状態）の構造を示す一部断面説明図である。It is a partial cross section explanatory view showing the structure of a stop cock (valve open state). 止水栓（閉弁状態）の構造を示す一部断面説明図である。It is a partial cross section explanatory view showing the structure of a water stop cock (valve closed state). （Ａ）は保持部材を示す側面図であり、（Ｂ）は（Ａ）のＡ−Ａ線矢視断面図である。(A) is a side view which shows a holding member, (B) is an AA arrow directional cross-sectional view of (A). （Ａ）は水栓本体を示す側面図であり、（Ｂ）は（Ａ）のＢ−Ｂ線矢視断面図である。(A) is a side view which shows a water faucet main body, (B) is a BB arrow directional cross-sectional view of (A). （Ａ）は収容部に保持部材を被せる工程を示す説明図であり、（Ｂ）は収容部の案内部の案内入口部に保持部材の係止部を案内する工程を示す説明図である。(A) is explanatory drawing which shows the process of putting a holding member on an accommodating part, (B) is explanatory drawing which shows the process of guiding the latching | locking part of a holding member to the guidance entrance part of the guide part of an accommodating part. （Ａ）は収容部の案内部において保持部材の係止部を案内する工程を示す説明図であり、（Ｂ）は収容部の被係止部に保持部材の係止部が係止された状態を示す説明図である。(A) is explanatory drawing which shows the process of guiding the latching | locking part of a holding member in the guide part of an accommodating part, (B) is the latching | locking part of a holding member latched by the to-be-latched part of the accommodating part. It is explanatory drawing which shows a state. 実施形態２の止水栓の本体部を示す側面図である。It is a side view which shows the main-body part of the water stop cock of Embodiment 2. 実施形態２の止水栓の本体部を示す斜視図である。It is a perspective view which shows the main-body part of the water stop cock of Embodiment 2. （Ａ）は保持部材を示す斜視図であり、（Ｂ）は保持部材を示す平面図であり、（Ｃ）は保持部材を示す側面図である。(A) is a perspective view which shows a holding member, (B) is a top view which shows a holding member, (C) is a side view which shows a holding member. （Ａ）は収容部に保持部材を被せる工程を示す説明図であり、（Ｂ）は保持部材の案内部の案内入口部に収容部の係止部を案内する工程を示す説明図である。(A) is explanatory drawing which shows the process of putting a holding member on an accommodating part, (B) is explanatory drawing which shows the process of guiding the latching | locking part of an accommodating part to the guide entrance part of the guide part of a holding member. （Ａ）は保持部材の案内部において収容部の係止部を案内する工程を示す説明図であり、（Ｂ）は保持部材の被係止部に収容部の係止部が係止された状態を示す説明図である。(A) is explanatory drawing which shows the process of guiding the latching | locking part of an accommodating part in the guide part of a holding member, (B) is the latching part of the accommodating part latched by the to-be-latched part of the holding member. It is explanatory drawing which shows a state. 実施形態３の止水栓（開弁状態）の構造を示す一部断面説明図である。It is a partial cross section explanatory drawing which shows the structure of the water stop cock (valve open state) of Embodiment 3. 実施形態３の止水栓（閉弁状態）の構造を示す一部断面説明図である。It is a partial cross-section explanatory drawing which shows the structure of the water stop cock (valve closed state) of Embodiment 3.

以下、本発明の実施形態を図面と共に説明する。
（実施形態１）
図１〜図６に示すように、本実施形態の止水栓１は、流体を流通させる流路２０を内部に設けた水栓本体２と、水栓本体２の流路２０を開閉可能に構成された弁部材４とを備えている。水栓本体２には、軸方向の一端を開口し、弁部材４を内側に収容する筒状の収容部３が設けられている。収容部３の開口側の端部には、収容部３の内側に収容された弁部材４を保持する保持部材５が取り付けられている。保持部材５は、弁部材４における収容部３の開口側への移動を規制する規制部５１と、収容部３の外周面３００を覆う被覆部５２とを有する。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
(Embodiment 1)
As shown in FIG. 1 to FIG. 6, the stop cock 1 of the present embodiment is capable of opening and closing the faucet body 2 provided therein with a flow path 20 through which fluid flows and the flow path 20 of the faucet body 2. And a configured valve member 4. The faucet body 2 is provided with a cylindrical accommodating portion 3 that opens at one end in the axial direction and accommodates the valve member 4 inside. A holding member 5 that holds the valve member 4 housed inside the housing portion 3 is attached to the opening portion of the housing portion 3. The holding member 5 includes a restricting portion 51 that restricts movement of the accommodating portion 3 in the valve member 4 to the opening side, and a covering portion 52 that covers the outer peripheral surface 300 of the accommodating portion 3.

保持部材５の被覆部５２及び収容部３の外周面３００のうち、一方には、係止部５２１が設けられ、他方には、係止部５２１を案内する案内部３１と、案内部３１に連通し、係止部５２１が係止される被係止部３２とが設けられている。保持部材５と収容部３とは、一方に設けられた係止部５２１が他方に設けられた案内部３１を介して案内され、被係止部３２に係止されている。以下、この止水栓１について詳細に説明する。 Of the covering portion 52 of the holding member 5 and the outer peripheral surface 300 of the housing portion 3, one is provided with a locking portion 521, and the other is a guide portion 31 that guides the locking portion 521, and a guide portion 31. There is provided a communicating portion 32 to which the engaging portion 521 is engaged. The holding member 5 and the housing 3 are guided by a locking portion 521 provided on one side via a guide portion 31 provided on the other side and locked to the locked portion 32. Hereinafter, the water stop cock 1 will be described in detail.

図１〜図３に示すように、本実施形態の止水栓１は、一般的なコマ式の止水栓１である。止水栓１は、円筒状の水栓本体２を備えている。水栓本体２は、エラストマ配合ＰＰＳ（ポリフェニレンサルファイド）樹脂からなる。水栓本体２を構成する他の材料としては、例えば、ＰＰＳＵ（ポリフェニルサルフォン）、ＰＡ（ポリアミド）、ＰＳＵ（ポリサルフォン）、ＰＶＣ（ポリ塩化ビニル）、ＰＶＤＦ（ポリフッ化ビニリデン）等がある。 As shown in FIGS. 1 to 3, the stop cock 1 of the present embodiment is a general top-type stop cock 1. The stop cock 1 includes a cylindrical faucet body 2. The faucet body 2 is made of an elastomer-blended PPS (polyphenylene sulfide) resin. Examples of other materials constituting the faucet body 2 include PPSU (polyphenylsulfone), PA (polyamide), PSU (polysulfone), PVC (polyvinyl chloride), PVDF (polyvinylidene fluoride), and the like.

水栓本体２の内部には、水を流通させる流路２０が設けられている。流路２０は、水栓本体２の軸方向の一端から他端まで連通するように形成されている。流路２０は、第１流路部２０１と第２流路部２０２とを有する。第１流路部２０１と第２流路部２０２との間には、連通孔２０３が形成されている。連通孔２０３の周囲には、後述する弁体４２が離着座する弁座２０４が設けられている。 Inside the faucet body 2, a flow path 20 through which water flows is provided. The flow path 20 is formed so as to communicate from one end of the faucet body 2 in the axial direction to the other end. The flow channel 20 includes a first flow channel portion 201 and a second flow channel portion 202. A communication hole 203 is formed between the first flow path portion 201 and the second flow path portion 202. Around the communication hole 203, a valve seat 204 is provided on which a valve body 42 described later is seated.

水栓本体２の軸方向の一端部には、継手７１が取り付けられている。継手７１は、止水栓１と樹脂製パイプ等の管体（図示略）とを接続するためのものである。また、水栓本体２の軸方向の一端部には、円筒状の補強部材７２が嵌装されている。補強部材７２は、水栓本体２と継手７１との連結をより強固にするための部材である。 A joint 71 is attached to one end of the faucet body 2 in the axial direction. The joint 71 is for connecting the water stopper 1 and a pipe body (not shown) such as a resin pipe. A cylindrical reinforcing member 72 is fitted to one end portion of the faucet body 2 in the axial direction. The reinforcing member 72 is a member for further strengthening the connection between the faucet body 2 and the joint 71.

水栓本体２の軸方向の他端部には、黄銅からなる円筒状の第１インサート部材２１が設けられている。第１インサート部材２１を構成する他の材料としては、例えば、青銅、ステンレス鋼（ＳＵＳ）、繊維強化樹脂等がある。水栓本体２と第１インサート部材２１とは、インサート成形により一体化されている。なお、水栓本体２と第１インサート部材２１とは、一体的に成形してもよい。第１インサート部材２１は、その一部が水栓本体２から突出するように配置されている。 A cylindrical first insert member 21 made of brass is provided at the other end of the faucet body 2 in the axial direction. Examples of other materials constituting the first insert member 21 include bronze, stainless steel (SUS), and fiber reinforced resin. The faucet body 2 and the first insert member 21 are integrated by insert molding. The faucet body 2 and the first insert member 21 may be integrally formed. The first insert member 21 is disposed so that a part thereof protrudes from the faucet body 2.

水栓本体２には、円筒状の収容部３が設けられている。収容部３は、水栓本体２から水栓本体２の軸方向に直交する方向に突出して形成されている。収容部３の軸方向の一端（先端）には、開口部３０が形成されている。収容部３の内側の空間は、流路２０の途中に連通している。 The faucet body 2 is provided with a cylindrical accommodating portion 3. The accommodating portion 3 is formed so as to protrude from the faucet body 2 in a direction orthogonal to the axial direction of the faucet body 2. An opening 30 is formed at one end (tip) in the axial direction of the accommodating portion 3. The space inside the accommodating portion 3 communicates with the middle of the flow path 20.

収容部３の先端部には、ガラス繊維強化ＰＰＳ樹脂からなる第２インサート部材２２が設けられている。第２インサート部材２２を構成する他の材料としては、例えば、繊維強化樹脂等の高強度樹脂、黄銅、青銅等がある。収容部３を含む水栓本体２と第２インサート部材２２とは、インサート成形により一体化されている。なお、水栓本体２と第２インサート部材２２とは、一体的に成形してもよい。第２インサート部材２２は、収容部３の内周面に沿って配置されている。第２インサート部材２２の内周面には、雌ネジ２２１が形成されている。 A second insert member 22 made of glass fiber reinforced PPS resin is provided at the distal end of the accommodating portion 3. As another material which comprises the 2nd insert member 22, there exist high strength resin, such as fiber reinforced resin, brass, bronze, etc., for example. The faucet body 2 including the accommodating portion 3 and the second insert member 22 are integrated by insert molding. The faucet body 2 and the second insert member 22 may be integrally formed. The second insert member 22 is disposed along the inner peripheral surface of the accommodating portion 3. A female screw 221 is formed on the inner peripheral surface of the second insert member 22.

収容部３（第２インサート部材２２）の内側には、弁部材４が収容されている。弁部材４は、柱状の弁軸４１（スピンドル）と、弁軸４１に連結されたコマ式の弁体４２（パッキン）とを有する。弁軸４１は、ガラス繊維強化ＰＰＳ樹脂からなる。弁軸４１を構成する他の材料としては、例えば、黄銅、青銅等がある。弁体４２は、ＥＰＤＭ（エチレンプロピレンジエンゴム）からなる。弁体４２を構成する他の材料としては、ＮＢＲ（ニトリルゴム）、ＦＫＭ（フッ素ゴム）、シリコンゴム等がある。 The valve member 4 is accommodated inside the accommodating portion 3 (second insert member 22). The valve member 4 includes a columnar valve shaft 41 (spindle) and a top-type valve body 42 (packing) connected to the valve shaft 41. The valve shaft 41 is made of glass fiber reinforced PPS resin. Examples of other materials constituting the valve shaft 41 include brass and bronze. The valve body 42 is made of EPDM (ethylene propylene diene rubber). Other materials constituting the valve body 42 include NBR (nitrile rubber), FKM (fluorine rubber), silicon rubber, and the like.

弁軸４１の先端部には、環状の弁体４２が取り付けられている。弁軸４１の先端部の外周面には、環状凹溝４１１が形成されている。環状凹溝４１１内には、Ｏリング６１が装着されている。Ｏリング６１は、弁部材４（弁軸４１）と収容部３との間をシールしている。 An annular valve body 42 is attached to the tip of the valve shaft 41. An annular groove 411 is formed on the outer peripheral surface of the distal end portion of the valve shaft 41. An O-ring 61 is mounted in the annular groove 411. The O-ring 61 seals between the valve member 4 (valve shaft 41) and the accommodating portion 3.

弁軸４１の後端部の外周面には、雄ネジ４１２が形成されている。弁軸４１は、収容部３の内側に配置された第２インサート部材２２に螺合されている。弁軸４１は、第２インサート部材２２に螺合された状態で回転させることにより、弁軸４１の先端部に取り付けられた弁体４２と共に、軸方向に沿って進退可能となっている。 A male screw 412 is formed on the outer peripheral surface of the rear end portion of the valve shaft 41. The valve shaft 41 is screwed into the second insert member 22 disposed inside the housing portion 3. The valve shaft 41 can be advanced and retracted along the axial direction together with the valve body 42 attached to the distal end portion of the valve shaft 41 by being rotated in a state of being screwed to the second insert member 22.

例えば、図３に示すように、弁体４２が弁座２０４から離れている（離座している）状態、すなわち開弁状態では、連通孔２０３が開口しており、第１流路部２０１と第２流路部２０２とが連通した状態となる。これにより、水栓本体２の流路２０が開状態となる。 For example, as shown in FIG. 3, in a state where the valve body 42 is separated (separated) from the valve seat 204, that is, in a valve open state, the communication hole 203 is opened, and the first flow path portion 201 is opened. And the second flow path section 202 communicate with each other. Thereby, the flow path 20 of the faucet body 2 is opened.

一方、図４に示すように、弁体４２が弁座２０４に当接している（着座している）状態、すなわち閉弁状態では、連通孔２０３が弁軸４１及び弁体４２によって閉塞され、第１流路部２０１と第２流路部２０２とが遮断された状態となる。これにより、水栓本体２の流路２０が閉状態となる。 On the other hand, as shown in FIG. 4, in a state where the valve body 42 is in contact with (sitting on) the valve seat 204, that is, in a closed state, the communication hole 203 is closed by the valve shaft 41 and the valve body 42, The first flow path portion 201 and the second flow path portion 202 are blocked. Thereby, the flow path 20 of the faucet body 2 is closed.

なお、本実施形態では、弁部材４は、弁軸４１と弁体４２とを有しているが、例えば、ニードルバルブ等のように、弁体４２を省略し、弁軸４１のみで構成することもできる。このような構成の場合、弁軸４１は、水栓本体２の弁座２０４に対して離着座し、弁体４２の役割を果たす。 In this embodiment, the valve member 4 includes the valve shaft 41 and the valve body 42. However, the valve body 42 is omitted and the valve member 41 is configured only by the valve shaft 41, such as a needle valve. You can also. In the case of such a configuration, the valve shaft 41 is separated from the valve seat 204 of the faucet body 2 and plays the role of the valve body 42.

図１〜図３に示すように、収容部３の先端部には、保持部材５が取り付けられている。保持部材５は、ステンレス鋼（ＳＵＳ）からなる。保持部材５を構成する他の材料としては、例えば、亜鉛ダイキャスト、アルミダイキャスト、ＰＰＳ、ＰＡ等の高強度樹脂等がある。保持部材５は、規制部５１と被覆部５２とを有する。 As shown in FIGS. 1 to 3, a holding member 5 is attached to the distal end portion of the accommodating portion 3. The holding member 5 is made of stainless steel (SUS). Examples of other materials constituting the holding member 5 include high-strength resins such as zinc die cast, aluminum die cast, PPS, and PA. The holding member 5 includes a regulation part 51 and a covering part 52.

図５（Ａ）、（Ｂ）に示すように、保持部材５において、規制部５１は、その中央部に貫通孔５１１を有し、環状に形成されている。貫通孔５１１には、弁部材４（弁軸４１）が挿通配置される。規制部５１には、後述する係止部５２１に対応する位置にそれぞれ第１目印５１２が設けられている。 As shown in FIGS. 5A and 5B, in the holding member 5, the restricting portion 51 has a through hole 511 at the center thereof and is formed in an annular shape. The valve member 4 (valve shaft 41) is inserted into the through hole 511. The restriction portion 51 is provided with first marks 512 at positions corresponding to locking portions 521 described later.

被覆部５２は、筒状に形成されている。被覆部５２は、ステンレス鋼板を絞り加工して形成されている。被覆部５２には、２つの係止部５２１が設けられている。各係止部５２１は、ステンレス鋼板の一部を曲げ加工して形成されている。２つの係止部５２１は、被覆部５２の径方向に対向して配置されている。なお、係止部５２１の形状は、これに限定されるものではなく、例えば、樹脂で形成したり、鍛造や鋳造を用いて形成する場合には、係止部５２１を突起状に形成することもできる。 The covering portion 52 is formed in a cylindrical shape. The covering portion 52 is formed by drawing a stainless steel plate. The cover portion 52 is provided with two locking portions 521. Each locking portion 521 is formed by bending a part of a stainless steel plate. The two locking portions 521 are disposed so as to oppose each other in the radial direction of the covering portion 52. In addition, the shape of the latching | locking part 521 is not limited to this, For example, when forming with resin or using forging or casting, the latching | locking part 521 is formed in a projection shape. You can also.

図３に示すように、保持部材５の規制部５１は、弁部材４（弁軸４１）における収容部３の開口側への移動を規制している。すなわち、規制部５１は、弁部材４（弁軸４１）が収容部３の開口部３０から抜け出す方向に移動すると、弁軸４１の雄ネジ４１２が規制部５１に接触してそれ以上移動できないようにしている。 As shown in FIG. 3, the restricting portion 51 of the holding member 5 restricts the movement of the accommodating portion 3 in the valve member 4 (valve shaft 41) toward the opening side. In other words, when the valve member 4 (valve shaft 41) moves in the direction in which the valve member 4 (valve shaft 41) comes out of the opening 30 of the housing portion 3, the restricting portion 51 comes into contact with the restricting portion 51 so that the male screw 412 of the valve shaft 41 cannot move further. I have to.

図６（Ａ）、（Ｂ）に示すように、収容部３の外周面３００には、保持部材５の係止部５２１を案内する案内部３１と、案内部３１に連通して形成され、保持部材５の係止部５２１が係止される被係止部３２とが設けられている。本実施形態において、収容部３の外周面３００には、案内部３１及び被係止部３２がそれぞれ２つ設けられている。２つの案内部３１は、収容部３の径方向に対向して配置されている。同様に、２つの被係止部３２は、収容部３の径方向に対向して配置されている。 As shown in FIGS. 6A and 6B, the outer peripheral surface 300 of the accommodating portion 3 is formed in communication with the guide portion 31 that guides the locking portion 521 of the holding member 5, and the guide portion 31. A locked portion 32 to which the locking portion 521 of the holding member 5 is locked is provided. In the present embodiment, two guide portions 31 and two locked portions 32 are provided on the outer peripheral surface 300 of the accommodating portion 3. The two guide portions 31 are arranged to face each other in the radial direction of the housing portion 3. Similarly, the two to-be-latched parts 32 are arranged to face the radial direction of the accommodating part 3.

案内部３１は、凹溝状に形成され、第１案内路３１１と第２案内路３１２とを有する。第１案内路３１１は、収容部３の軸方向に沿って形成されている。第１案内路３１１は、保持部材５の係止部５２１を案内する入口である案内入口部３１０を有する。案内入口部３１０は、入口側に向けて徐々に幅が大きくなるようにテーパ状に形成されている。これにより、保持部材５の係止部５２１を収容部３の案内部３１の第１案内路３１１に案内させやすくなる。第２案内路３１２は、第１案内路３１１の一端から収容部３の周方向に沿って形成されている。第２案内路３１２は、被係止部３２に連通して形成されている。 The guide part 31 is formed in a concave groove shape and includes a first guide path 311 and a second guide path 312. The first guide path 311 is formed along the axial direction of the accommodating portion 3. The first guide path 311 has a guide inlet portion 310 that is an inlet for guiding the locking portion 521 of the holding member 5. The guide inlet portion 310 is formed in a tapered shape so that the width gradually increases toward the inlet side. This makes it easy to guide the locking portion 521 of the holding member 5 to the first guide path 311 of the guide portion 31 of the housing portion 3. The second guide path 312 is formed from one end of the first guide path 311 along the circumferential direction of the housing portion 3. The second guide path 312 is formed in communication with the locked portion 32.

被係止部３２は、凹状に形成されている。被係止部３２の深さは、案内部３１（第１案内路３１１、第２案内路３１２）と同じである。被係止部３２と第２案内路３１２との間には、収容部３の外周面３００から径方向外側に突出した突起部３１３が設けられている。なお、本実施形態では、被係止部３２と第２案内路３１２との間に突起部３１３を設けたが、例えば、突起部３１３を設けず、被係止部３２の深さを案内部３１よりも一段深くした構成としてもよい。収容部３の外周面３００には、被係止部３２に対応する位置にそれぞれ第２目印３３が設けられている。 The locked portion 32 is formed in a concave shape. The depth of the locked portion 32 is the same as that of the guide portion 31 (the first guide path 311 and the second guide path 312). A protrusion 313 that protrudes radially outward from the outer peripheral surface 300 of the housing 3 is provided between the locked portion 32 and the second guide path 312. In this embodiment, the protrusion 313 is provided between the locked portion 32 and the second guide path 312. However, for example, the protrusion 313 is not provided, and the depth of the locked portion 32 is set to the guide portion. A configuration that is one step deeper than 31 may be used. On the outer peripheral surface 300 of the accommodating portion 3, second marks 33 are provided at positions corresponding to the locked portions 32.

図３に示すように、保持部材５の係止部５２１は、収容部３の案内部３１（第１案内路３１１、第２案内路３１２）を介して案内され、収容部３の被係止部３２に係止されている。これにより、保持部材５は、収容部３の先端部に取り付けられている。 As shown in FIG. 3, the locking portion 521 of the holding member 5 is guided via the guide portion 31 (the first guide path 311 and the second guide path 312) of the storage portion 3, and the locked portion of the storage portion 3 is locked. Locked to the portion 32. Thereby, the holding member 5 is attached to the distal end portion of the accommodating portion 3.

なお、本実施形態では、収容部３を含む水栓本体２と第２インサート部材２２とがインサート成形により一体化されている構成である。そのため、収容部３の先端部を覆うように取り付けられた保持部材５によって、第２インサート部材２２の外周を囲繞することができ、水栓本体２と第２インサート部材２２との密着度が高まる。 In the present embodiment, the faucet body 2 including the accommodating portion 3 and the second insert member 22 are integrated by insert molding. Therefore, the outer periphery of the 2nd insert member 22 can be surrounded by the holding member 5 attached so that the front-end | tip part of the accommodating part 3 may be covered, and the adhesiveness of the faucet main body 2 and the 2nd insert member 22 increases. .

次に、水栓本体２の収容部３に、保持部材５を取り付ける工程について説明する。
まず、図７（Ａ）に示すように、保持部材５を水栓本体２の収容部３の先端部に被せる。このとき、保持部材５の規制部５１の貫通孔５１１内に、収容部３の内側に収容された弁部材４（弁軸４１）が挿通するようにする。 Next, the process of attaching the holding member 5 to the housing part 3 of the faucet body 2 will be described.
First, as shown in FIG. 7A, the holding member 5 is put on the distal end portion of the accommodating portion 3 of the faucet body 2. At this time, the valve member 4 (valve shaft 41) accommodated inside the accommodating portion 3 is inserted into the through hole 511 of the restricting portion 51 of the holding member 5.

次いで、図７（Ｂ）に示すように、保持部材５の係止部５２１を収容部３の案内部３１に案内する。具体的には、保持部材５の係止部５２１を収容部３の案内部３１の案内入口部３１０から第１案内路３１１に案内する。 Next, as shown in FIG. 7B, the locking portion 521 of the holding member 5 is guided to the guide portion 31 of the housing portion 3. Specifically, the locking portion 521 of the holding member 5 is guided from the guide entrance portion 310 of the guide portion 31 of the housing portion 3 to the first guide path 311.

次いで、図８（Ａ）に示すように、保持部材５を収容部３の先端部に被せた状態において、保持部材５を周方向に回転させることにより、保持部材５の係止部５２１が収容部３の案内部３１の第１案内路３１１から第２案内路３１２に案内される。 Next, as shown in FIG. 8A, in a state where the holding member 5 is placed on the tip of the housing portion 3, the retaining member 5 is rotated in the circumferential direction, whereby the locking portion 521 of the holding member 5 is housed. Guided from the first guide path 311 of the guide section 31 of the section 3 to the second guide path 312.

次いで、図８（Ｂ）に示すように、保持部材５を収容部３の先端部に被せた状態において、保持部材５を周方向にさらに回転させることにより、保持部材５の係止部５２１が収容部３の案内部３１の第２案内路３１２から突起部３１３を乗り越えて被係止部３２に案内される。そして、保持部材５の係止部５２１が収容部３の被係止部３２に係止される。これにより、水栓本体２の収容部３に、保持部材５を取り付ける。 Next, as illustrated in FIG. 8B, the holding member 5 is further rotated in the circumferential direction in a state in which the holding member 5 is placed on the distal end portion of the housing portion 3, whereby the locking portion 521 of the holding member 5 is moved. From the second guide path 312 of the guide portion 31 of the accommodating portion 3, the projection portion 313 is passed over and guided to the locked portion 32. Then, the locking portion 521 of the holding member 5 is locked to the locked portion 32 of the housing portion 3. As a result, the holding member 5 is attached to the accommodating portion 3 of the faucet body 2.

このとき、図１に示すように、保持部材５の規制部５１の第１目印５１２と収容部３の第２目印３３とが周方向において同じ位置となるため、保持部材５の取り付けが完了したことが外部から確認できる。つまり、保持部材５の係止部５２１が収容部３の被係止部３２に係止されたことが外部から確認できる。 At this time, as shown in FIG. 1, the first mark 512 of the restricting portion 51 of the holding member 5 and the second mark 33 of the housing portion 3 are in the same position in the circumferential direction, so that the attachment of the holding member 5 is completed. Can be confirmed from the outside. That is, it can be confirmed from the outside that the locking portion 521 of the holding member 5 is locked to the locked portion 32 of the housing portion 3.

次に、本実施形態の止水栓１における作用効果について説明する。
本実施形態の止水栓１において、水栓本体２における収容部３の開口側の端部には、弁部材４を保持する保持部材５が取り付けられている。保持部材５と収容部３とは、一方に設けられた係止部５２１が他方に設けられた案内部３１を介して案内され、被係止部３２に係止されている。すなわち、係止部５２１を被係止部３２に係止させるという簡易な構造で、保持部材５が収容部３に取り付けられている。 Next, the effect in the water stop cock 1 of this embodiment is demonstrated.
In the stop cock 1 of the present embodiment, a holding member 5 that holds the valve member 4 is attached to an end portion on the opening side of the accommodating portion 3 in the faucet body 2. The holding member 5 and the accommodating portion 3 are locked to the locked portion 32 by the locking portion 521 provided on one side being guided through the guide portion 31 provided on the other side. That is, the holding member 5 is attached to the accommodating portion 3 with a simple structure in which the locking portion 521 is locked to the locked portion 32.

そのため、従来のネジ式やＣリング式の取り付け構造と比較して、収容部３からの弁部材４の抜け出しを抑制する部材（保持部材５）の取り付けが非常に容易となる。また、保持部材５の取り付け後、その保持部材５の取り外しも非常に容易であるため、メンテナンス作業を行いやすくなる。 Therefore, the attachment of the member (holding member 5) that prevents the valve member 4 from coming out of the accommodating portion 3 is very easy as compared with the conventional screw type or C ring type attachment structure. In addition, after the holding member 5 is attached, it is very easy to remove the holding member 5, so that maintenance work can be easily performed.

また、保持部材５の取り付け構造を簡易としたことにより、収容部３や収容部３を含めた水栓本体２全体の小型化を図ることができる。また、従来のように、収容部３にネジ部やＣリングを装着する環状凹溝を設ける必要がないため、収容部３を樹脂等で成形することができる。これにより、収容部３を含めた水栓本体２全体を樹脂等で一体的に成形することが可能となり、水栓本体２の構造簡素化、製造容易化を図ることができる。 Further, since the mounting structure of the holding member 5 is simplified, the entire faucet body 2 including the housing portion 3 and the housing portion 3 can be reduced in size. Further, unlike the conventional case, there is no need to provide the housing portion 3 with an annular concave groove for mounting a screw portion or a C-ring, so that the housing portion 3 can be formed of resin or the like. As a result, the entire faucet body 2 including the accommodating portion 3 can be integrally formed of resin or the like, and the structure of the faucet body 2 can be simplified and the manufacturing can be facilitated.

また、保持部材５は、弁部材４における収容部３の開口側への移動を規制する（弁部材４が収容部３から抜け出す方向に移動することを抑制する）規制部５１を有する。そのため、収容部３に取り付けられた保持部材５（特に規制部５１）によって、弁部材４が収容部３から抜け出すことを十分に抑制できる。 Further, the holding member 5 includes a restricting portion 51 that restricts movement of the accommodating portion 3 in the valve member 4 toward the opening side (suppresses movement of the valve member 4 in a direction of coming out of the accommodating portion 3). Therefore, it is possible to sufficiently suppress the valve member 4 from coming out of the accommodating portion 3 by the holding member 5 (particularly the restricting portion 51) attached to the accommodating portion 3.

また、本実施形態の止水栓１において、保持部材５の被覆部５２には、係止部５２１が設けられ、収容部３の外周面３００には、案内部３１と被係止部３２とが設けられている。そのため、水栓本体２の収容部３に対する保持部材５の取り付け及び取り外しが非常に容易となる。 Further, in the water faucet 1 of the present embodiment, the covering portion 52 of the holding member 5 is provided with a locking portion 521, and the guide portion 31 and the locked portion 32 are provided on the outer peripheral surface 300 of the housing portion 3. Is provided. Therefore, the attachment and detachment of the holding member 5 with respect to the accommodating portion 3 of the faucet body 2 is very easy.

また、案内部３１は、第１の方向に形成され、係止部５２１を案内する入口である案内入口部３１０を有する第１案内路３１１と、第１の方向とは異なる第２の方向に形成され、被係止部３２に連通する第２案内路３１２とを有する。そのため、水栓本体２の収容部３に取り付けられた保持部材５が収容部３から容易に外れないようにすることができる。 In addition, the guide portion 31 is formed in a first direction and has a first guide path 311 having a guide entrance portion 310 that is an entrance for guiding the locking portion 521, and a second direction different from the first direction. And a second guide path 312 that is formed and communicates with the locked portion 32. Therefore, it is possible to prevent the holding member 5 attached to the accommodating portion 3 of the faucet body 2 from being easily detached from the accommodating portion 3.

このように、本実施形態によれば、弁部材４の抜け出しを抑制する部材（保持部材５）の取り付け及び取り外しが容易であり、かつ、構造簡素化、小型化、製造容易化を図ることができる止水栓１を提供することができる。 As described above, according to the present embodiment, it is easy to attach and remove the member (holding member 5) that suppresses the withdrawal of the valve member 4, and to simplify the structure, reduce the size, and facilitate the manufacture. The water stop cock 1 which can be provided can be provided.

（実施形態２）
本実施形態は、図９〜図１１に示すように、止水栓１における収容部３及び保持部材５の構成を変更した例である。なお、実施形態１と同様の構成及び作用効果については説明を省略する。 (Embodiment 2)
This embodiment is the example which changed the structure of the accommodating part 3 and the holding member 5 in the water stop cock 1 as shown in FIGS. In addition, description is abbreviate | omitted about the structure and effect similar to Embodiment 1. FIG.

図９、図１０に示すように、収容部３の外周面３００には、２つの係止部３４が設けられている。各係止部３４は、収容部３の外周面３００から外側に突出して形成されている。２つの係止部３４は、収容部３の外周面３００において、径方向に対向する位置に設けられている。収容部３の外周面３００には、係止部３４に対応する位置にそれぞれ第２目印３３が設けられている。 As shown in FIGS. 9 and 10, two locking portions 34 are provided on the outer peripheral surface 300 of the accommodating portion 3. Each locking portion 34 is formed to protrude outward from the outer peripheral surface 300 of the housing portion 3. The two locking portions 34 are provided at positions facing the radial direction on the outer peripheral surface 300 of the housing portion 3. On the outer peripheral surface 300 of the accommodating portion 3, second marks 33 are provided at positions corresponding to the locking portions 34.

図１１（Ａ）〜（Ｃ）に示すように、保持部材５の被覆部５２には、収容部３の係止部５２１を案内する案内部５３と、案内部５３に連通して形成され、収容部３の係止部３４が係止される被係止部５４とが設けられている。本実施形態において、被覆部５２には、２組の案内部５３及び被係止部５４が設けられている。２つの案内部５３及び２つの被係止部５４は、それぞれ被覆部５２の径方向に対向して配置されている。 As shown in FIGS. 11A to 11C, the covering portion 52 of the holding member 5 is formed to communicate with the guide portion 53 and the guide portion 53 that guide the locking portion 521 of the housing portion 3. A locked portion 54 to which the locking portion 34 of the storage portion 3 is locked is provided. In the present embodiment, the covering portion 52 is provided with two sets of guide portions 53 and locked portions 54. The two guide parts 53 and the two to-be-latched parts 54 are arranged to face each other in the radial direction of the covering part 52.

案内部５３は、被覆部５２の一部を切り欠いて形成され、第１案内路５３１と第２案内路５３２とを有する。第１案内路５３１は、被覆部５２の軸方向に沿って形成されている。第１案内路５３１は、収容部３の係止部３４を案内する入口である案内入口部５３０を有する。案内入口部５３０は、入口側に向けて徐々に幅が大きくなるようにテーパ状に形成されている。第２案内路５３２は、第１案内路５３１の一端から被覆部５２の周方向に沿って形成されている。第２案内路５３２は、被係止部５４に連通して形成されている。 The guide part 53 is formed by cutting out a part of the covering part 52 and has a first guide path 531 and a second guide path 532. The first guide path 531 is formed along the axial direction of the covering portion 52. The first guide path 531 has a guide inlet portion 530 that is an inlet for guiding the locking portion 34 of the housing portion 3. The guide inlet portion 530 is formed in a tapered shape so that the width gradually increases toward the inlet side. The second guide path 532 is formed from one end of the first guide path 531 along the circumferential direction of the covering portion 52. The second guide path 532 is formed in communication with the locked portion 54.

被係止部５４は、被覆部５２の一部を切り欠いて形成されている。案内部５３の第２案内路５３２と被係止部５４との間には、幅が狭くなった幅狭部５５が設けられている。保持部材５の規制部５１には、被覆部５２の被係止部５４に対応する位置にそれぞれ第１目印５１２が設けられている。 The locked portion 54 is formed by cutting out a part of the covering portion 52. A narrow portion 55 having a narrow width is provided between the second guide path 532 and the locked portion 54 of the guide portion 53. The restriction part 51 of the holding member 5 is provided with a first mark 512 at a position corresponding to the locked part 54 of the covering part 52.

後述の図１３（Ｂ）に示すように、収容部３の係止部３４は、保持部材５の案内部５３（第１案内路５３１、第２案内路５３２）を介して案内され、保持部材５の被係止部５４に係止されている。これにより、保持部材５は、収容部３の先端部に取り付けられている。 As shown in FIG. 13B, which will be described later, the locking portion 34 of the housing portion 3 is guided via the guide portions 53 (first guide path 531 and second guide path 532) of the holding member 5 to hold the holding member. 5 to be locked. Thereby, the holding member 5 is attached to the distal end portion of the accommodating portion 3.

次に、水栓本体２の収容部３に、保持部材５を取り付ける工程について説明する。
まず、図１２（Ａ）に示すように、保持部材５を水栓本体２の収容部３の先端部に被せる。このとき、保持部材５の規制部５１の貫通孔５１１内に、収容部３の内側に収容された弁部材４（弁軸４１）が挿通するようにする。 Next, the process of attaching the holding member 5 to the housing part 3 of the faucet body 2 will be described.
First, as shown in FIG. 12A, the holding member 5 is put on the distal end portion of the accommodating portion 3 of the faucet body 2. At this time, the valve member 4 (valve shaft 41) accommodated inside the accommodating portion 3 is inserted into the through hole 511 of the restricting portion 51 of the holding member 5.

次いで、図１２（Ｂ）に示すように、収容部３の係止部３４を保持部材５の案内部５３に案内する。具体的には、収容部３の係止部３４を保持部材５の案内部５３の案内入口部５３０から第１案内路５３１に案内する。 Next, as shown in FIG. 12B, the locking portion 34 of the housing portion 3 is guided to the guide portion 53 of the holding member 5. Specifically, the locking portion 34 of the accommodating portion 3 is guided from the guide inlet portion 530 of the guide portion 53 of the holding member 5 to the first guide path 531.

次いで、図１３（Ａ）に示すように、保持部材５を収容部３の先端部に被せた状態において、保持部材５を周方向に回転させることにより、収容部３の係止部３４を保持部材５の案内部５３の第１案内路５３１から第２案内路５３２に案内する。 Next, as shown in FIG. 13A, the holding member 5 is rotated in the circumferential direction in a state where the holding member 5 is put on the tip portion of the storage portion 3, thereby holding the locking portion 34 of the storage portion 3. The first guide path 531 of the guide portion 53 of the member 5 is guided to the second guide path 532.

次いで、図１３（Ｂ）に示すように、保持部材５を収容部３の先端部に被せた状態において、保持部材５を周方向にさらに回転させることにより、収容部３の係止部３４を保持部材５の案内部５３の第２案内路５３２から幅狭部５５を通過させて被係止部５４に案内する。そして、収容部３の係止部３４を保持部材５の被係止部５４に係止させる。これにより、水栓本体２の収容部３に、保持部材５を取り付ける。 Next, as shown in FIG. 13B, the holding member 5 is further rotated in the circumferential direction in a state in which the holding member 5 is put on the tip of the storage portion 3, whereby the locking portion 34 of the storage portion 3 is moved. The narrow portion 55 is passed through the second guide path 532 of the guide portion 53 of the holding member 5 and guided to the locked portion 54. Then, the locking portion 34 of the housing portion 3 is locked to the locked portion 54 of the holding member 5. As a result, the holding member 5 is attached to the accommodating portion 3 of the faucet body 2.

このとき、保持部材５の第１目印５１２と収容部３の第２目印３３とが周方向において同じ位置となるため、保持部材５の取り付けが完了したことが外部から確認できる。つまり、収容部３の係止部３４が保持部材５の被係止部５４に係止されたことが外部から確認できる。 Since the 1st mark 512 of the holding member 5 and the 2nd mark 33 of the accommodating part 3 become the same position in the circumferential direction at this time, it can confirm from the exterior that the attachment of the holding member 5 was completed. That is, it can be confirmed from the outside that the locking portion 34 of the housing portion 3 is locked to the locked portion 54 of the holding member 5.

本実施形態の場合、収容部３の外周面３００には、係止部３４が設けられ、保持部材５の被覆部５２には、案内部５３と被係止部５４とが設けられている。そのため、水栓本体２の収容部３に対する保持部材５の取り付け及び取り外しが非常に容易となる。 In the case of this embodiment, the locking portion 34 is provided on the outer peripheral surface 300 of the housing portion 3, and the guide portion 53 and the locked portion 54 are provided on the covering portion 52 of the holding member 5. Therefore, the attachment and detachment of the holding member 5 with respect to the accommodating portion 3 of the faucet body 2 is very easy.

（実施形態３）
本実施形態は、図１４、図１５に示すように、本発明をいわゆるボール式の止水栓１に適用した例である。なお、実施形態１と同様の構成及び作用効果については説明を省略する。 (Embodiment 3)
This embodiment is an example in which the present invention is applied to a so-called ball stop cock 1 as shown in FIGS. In addition, description is abbreviate | omitted about the structure and effect similar to Embodiment 1. FIG.

図１４に示すように、本実施形態の止水栓１は、一般的なボール式の止水栓１である。水栓本体２の内部には、水を流通させる流路２０が設けられている。流路２０は、第１流路部２０１と第２流路部２０２とを有する。第１流路部２０１と第２流路部２０２との間には、弁部材４の弁体４２を収容する弁体収容空間２０５が設けられている。 As shown in FIG. 14, the stop cock 1 of the present embodiment is a general ball stop cock 1. Inside the faucet body 2, a flow path 20 through which water flows is provided. The flow channel 20 includes a first flow channel portion 201 and a second flow channel portion 202. Between the first flow path part 201 and the second flow path part 202, a valve body accommodating space 205 for accommodating the valve body 42 of the valve member 4 is provided.

水栓本体２の軸方向の他端部には、弁体収容空間２０５内に収容した弁体４２を保持して押さえる押え部材２３が設けられている。押え部材２３は、水栓本体２の一部を構成している。押え部材２３は、取り外し可能に構成されている。 At the other end of the faucet body 2 in the axial direction, a presser member 23 that holds and presses the valve body 42 accommodated in the valve body accommodating space 205 is provided. The presser member 23 constitutes a part of the faucet body 2. The pressing member 23 is configured to be removable.

収容部３の内側には、弁部材４が収容されている。弁部材４は、柱状の弁軸４１（スピンドル）と、弁軸４１に連結されたボール式の弁体４２とを有する。弁体４２は、弁軸４１の先端部に取り付けられている。 A valve member 4 is accommodated inside the accommodating portion 3. The valve member 4 includes a columnar valve shaft 41 (spindle) and a ball-type valve body 42 connected to the valve shaft 41. The valve body 42 is attached to the tip of the valve shaft 41.

弁体４２の内部には、水栓本体２の流路２０の一部を構成する連通路４２１が貫通して形成されている。弁体収容空間２０５内には、２つのシール部材６２が配置されている。２つのシール部材６２は、弁体４２と水栓本体２との間をシールしている。 A communication passage 421 constituting a part of the flow path 20 of the faucet body 2 is formed through the valve body 42. Two seal members 62 are arranged in the valve body accommodating space 205. The two sealing members 62 seal between the valve body 42 and the faucet body 2.

弁軸４１の外周面には、２つの環状凹溝４１１が形成されている。各環状凹溝４１１内には、Ｏリング６１が装着されている。Ｏリング６１は、弁部材４（弁軸４１）と収容部３との間をシールしている。弁軸４１の後端部には、ハンドル４３が取り付けられている。ハンドル４３を回すことにより、弁軸４１及び弁体４２が回転するように構成されている。 Two annular grooves 411 are formed on the outer peripheral surface of the valve shaft 41. An O-ring 61 is mounted in each annular groove 411. The O-ring 61 seals between the valve member 4 (valve shaft 41) and the accommodating portion 3. A handle 43 is attached to the rear end portion of the valve shaft 41. By turning the handle 43, the valve shaft 41 and the valve body 42 are configured to rotate.

例えば、図１４に示すように、第１流路部２０１及び第２流路部２０２と弁体４２の連通路４２１とが同じ向きの状態、すなわち開弁状態では、弁体４２の連通路４２１を介して第１流路部２０１と第２流路部２０２とが連通した状態となる。これにより、水栓本体２の流路２０が開状態となる。 For example, as shown in FIG. 14, in the state where the first flow path part 201 and the second flow path part 202 and the communication path 421 of the valve body 42 are in the same direction, that is, in the valve open state, the communication path 421 of the valve body 42. The first flow path part 201 and the second flow path part 202 are in communication with each other. Thereby, the flow path 20 of the faucet body 2 is opened.

一方、図１５に示すように、第１流路部２０１及び第２流路部２０２と弁体４２の連通路４２１とが異なる向き（本実施形態では、９０°異なる向き）の状態、すなわち閉弁状態では、第１流路部２０１と第２流路部２０２とが弁体４２によって遮断された状態となる。これにより、水栓本体２の流路２０が閉状態となる。 On the other hand, as shown in FIG. 15, the first flow path portion 201 and the second flow path portion 202 and the communication path 421 of the valve body 42 are in different directions (in this embodiment, 90 ° different directions), that is, closed. In the valve state, the first flow path portion 201 and the second flow path portion 202 are blocked by the valve body 42. Thereby, the flow path 20 of the faucet body 2 is closed.

本実施形態の場合にも、弁部材４の抜け出しを抑制する部材（保持部材５）の取り付け及び取り外しが容易であり、かつ、構造簡素化、小型化、製造容易化を図ることができる止水栓１を提供することができる。 Also in the case of this embodiment, the water stop which can attach and detach the member (holding member 5) which suppresses detachment | leave of the valve member 4 easily, and can aim at structure simplification, size reduction, and manufacture ease. A plug 1 can be provided.

（その他の実施形態）
本発明は、前述の実施形態に何ら限定されるものではなく、本発明を逸脱しない範囲において種々の態様で実施しうることはいうまでもない。 (Other embodiments)
It goes without saying that the present invention is not limited to the above-described embodiments, and can be implemented in various modes without departing from the present invention.

（１）前述の実施形態では、保持部材又は収容部に係止部を２つ設けたが、係止部の数はこれに限定されるものではなく、例えば、係止部を１つだけ設けてもよいし、３つ以上設けてもよい。 (1) In the above-described embodiment, two retaining portions are provided in the holding member or the accommodating portion. However, the number of the retaining portions is not limited to this. For example, only one retaining portion is provided. Alternatively, three or more may be provided.

（２）前述の実施形態では、保持部材又は収容部に２つの被係止部（案内部）を設けたが、被係止部（案内部）の数はこれに限定されるものではなく、例えば、被係止部（案内部）を１つだけ設けてもよいし、３つ以上設けてもよい。 (2) In the above-described embodiment, the two locked portions (guide portions) are provided in the holding member or the accommodating portion, but the number of locked portions (guide portions) is not limited to this, For example, only one locked part (guide part) may be provided, or three or more may be provided.

（３）前述の実施形態では、係止部及び被係止部の構成例を示したが、係止部及び被係止部の構成はこれに限定されるものではなく、公知の種々様々な構成を採用することができる。 (3) In the above-described embodiment, the configuration examples of the locking portion and the locked portion are shown. However, the configurations of the locking portion and the locked portion are not limited to this, and various known ones are available. A configuration can be employed.

（４）前述の実施形態では、案内部は、第１案内路と第２案内路とを有するが、第１案内路と第２案内路との間に、１又は複数の案内路が設けられていてもよい。例えば、第１案内路と第２案内路との間に、第１の方向及び第２の方向とは異なる第３の方向に形成された第３案内路が設けられていてもよい。また、案内部（第１案内路、第２案内路）を形成する方向は、種々変更可能である。 (4) In the above-described embodiment, the guide unit includes the first guide path and the second guide path, but one or more guide paths are provided between the first guide path and the second guide path. It may be. For example, a third guide path formed in a third direction different from the first direction and the second direction may be provided between the first guide path and the second guide path. Moreover, the direction which forms a guide part (a 1st guideway, a 2nd guideway) can be variously changed.

（５）本発明の構成は、前述したバルブ（コマ式、ボール式）のみに適用されるものではなく、弁軸を回動させることによって流路の開閉が可能となるものであれば適用することができ、例えば、ゲートバルブ、ニードルバルブ、バタフライバルブ等に適用することができる。 (5) The configuration of the present invention is not applied only to the above-described valves (coma type, ball type), but is applicable if the flow path can be opened and closed by rotating the valve shaft. For example, it can be applied to a gate valve, a needle valve, a butterfly valve, and the like.

１…止水栓
２…水栓本体
２０…流路
３…収容部
３００…外周面
３１…案内部
３２…被係止部
４…弁部材
５…保持部材
５１…規制部
５２…被覆部
５２１…係止部 DESCRIPTION OF SYMBOLS 1 ... Stop cock 2 ... Faucet body 20 ... Flow path 3 ... Accommodating part 300 ... Outer peripheral surface 31 ... Guide part 32 ... Locked part 4 ... Valve member 5 ... Holding member 51 ... Restriction part 52 ... Covering part 521 ... Locking part

Claims

A faucet body provided with a flow path for circulating fluid;
A valve member configured to open and close the flow path of the faucet body,
The faucet body is provided with a cylindrical accommodating portion that opens one end in the axial direction and accommodates the valve member inside,
A holding member that holds the valve member housed inside the housing portion is attached to the opening-side end of the housing portion,
The holding member has a restricting portion that restricts movement of the accommodating portion to the opening side of the valve member, and a covering portion that covers an outer peripheral surface of the accommodating portion,
The holding member is made of stainless steel,
The locking portion is provided on the cover portion of the holding member,
The locking portion is a part of the stainless steel, and has a shape that is bent inwardly and the tip of the locking portion faces the restriction portion,
The outer peripheral surface of the housing portion is provided with a guide portion that guides the locking portion, and a locked portion that communicates with the guiding portion and that locks the locking portion.
Wherein the holding member and the receiving portion, before Symbol locking portion is guided through the front Symbol guide portion, said stop cock, characterized in that is engaged with the engaged portion.

The guide part has a concave groove shape,
The locked portion is concave,
2. The stopper according to claim 1, wherein a protruding portion that protrudes radially outward is provided between the guide portion and the locked portion of the outer peripheral surface of the housing portion. Water faucet.

The guide part has a concave groove shape,
The water stop cock according to claim 1, wherein the locked portion has a concave shape deeper than the guide portion.