JPS6396365A - Bibcock - Google Patents
BibcockInfo
- Publication number
- JPS6396365A JPS6396365A JP61243539A JP24353986A JPS6396365A JP S6396365 A JPS6396365 A JP S6396365A JP 61243539 A JP61243539 A JP 61243539A JP 24353986 A JP24353986 A JP 24353986A JP S6396365 A JPS6396365 A JP S6396365A
- Authority
- JP
- Japan
- Prior art keywords
- relief valve
- piston
- primary side
- pressure
- valve seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005192 partition Methods 0.000 claims description 9
- 238000013459 approach Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 40
- 239000012530 fluid Substances 0.000 abstract description 3
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
- F16K47/023—Means in valves for absorbing fluid energy for preventing water-hammer or noise for preventing water-hammer, e.g. damping of the valve movement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K19/00—Arrangements of valves and flow lines specially adapted for mixing fluids
- F16K19/006—Specially adapted for faucets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
- Safety Valves (AREA)
- Multiple-Way Valves (AREA)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は、湯水混合栓や単水栓等の水栓に関する。[Detailed description of the invention] (Industrial application field) TECHNICAL FIELD The present invention relates to a faucet such as a hot/cold water mixing faucet or a single faucet.
（従来の技術）
一般に水栓は、湯水混合栓と単水栓とを問わず開閉弁を
急激に閉弁すると、１次側の圧力が急上昇してウォータ
ーハンマーを起こし、上流側の配管や機器を損傷するこ
とがある。(Prior art) In general, when the on-off valve of a water faucet, whether a mixed faucet or a single faucet, is suddenly closed, the pressure on the primary side suddenly increases, causing water hammer, which can cause the upstream piping and equipment to suddenly close. may damage.
特に弁要素を固定ディスクと、これに摺動自在に重ね合
わせられた可動ディスクとで構成する水栓にちっては、
閉弁時、弁の閉止が急速に行なわれるためウォーターハ
ンマーが起＃）易い。Especially for faucets where the valve element consists of a fixed disc and a movable disc slidably superimposed on the fixed disc.
When the valve is closed, water hammer is likely to occur because the valve closes rapidly.
（発明が解決しようとする問題点）
本発明が解決しようとする問題点は弁の急激な閉止によ
り１次側に急激に生じる上昇圧力を１次側から２次側に
逃すことでちる。(Problems to be Solved by the Invention) The problems to be solved by the present invention are solved by releasing the increased pressure suddenly generated on the primary side due to sudden closure of the valve from the primary side to the secondary side.
（問題点を解消するための手段）
上記問題点を解決するために本発明が構する技術的手段
は、外部からの操作力により開閉する開閉弁を有する水
栓本体の１次側と２次側とを区画する隔壁部分に逃し弁
孔を開設してその１次側間口碌に逃し弁座を形成し、上
記逃し弁座の１次側には逃し弁座に対向して設けられ、
バネにより常時逃し弁座側に付勢されると共に１次側内
の圧力を受けて、該圧力が上記バネのバネ力を越えると
逃し弁座から遠ざかるように作動するピストンと、該ピ
ストンに連係して進退し、逃し弁座に接離する逃し弁体
を配備するものである。(Means for Solving the Problems) The technical means provided by the present invention for solving the above problems is that the primary side and the secondary side of a faucet main body have an on-off valve that opens and closes by external operating force. A relief valve hole is formed in a partition wall portion that separates the relief valve hole from the side, and a relief valve seat is formed in the primary side of the relief valve hole, and a relief valve seat is provided on the primary side of the relief valve seat opposite to the relief valve seat,
A piston that is constantly urged toward the relief valve seat by a spring and receives pressure within the primary side, and operates to move away from the relief valve seat when the pressure exceeds the spring force of the spring, and is linked to the piston. This system is equipped with a relief valve body that moves forward and backward to approach and separate from the relief valve seat.
（作用）
而して、本発明の上記技術的手段によれば、開閉弁が閉
弁され、１次側の圧力が急上昇すると、その上昇圧力に
よりピストンが逃し弁座から遠ざかるように作動し、こ
のピストンに連係する逃し弁体が後退して逃し弁座から
離れ、逃し弁孔が開くので、１次側の上昇圧力は上記逃
し弁孔な介して２次側へ逃げる。(Function) According to the above technical means of the present invention, when the on-off valve is closed and the pressure on the primary side rises rapidly, the increased pressure causes the piston to move away from the relief valve seat, The relief valve body linked to the piston retreats and leaves the relief valve seat, opening the relief valve hole, so that the increased pressure on the primary side escapes to the secondary side through the relief valve hole.
（実施例） 以下、本発明の実施例を図に基づいて説明する。(Example) Embodiments of the present invention will be described below with reference to the drawings.
図面はｇ１図乃至第４図に第１実施例を、第５図乃至第
８図に第２実施例を示している。The drawings show the first embodiment in Figures g1 to 4, and the second embodiment in Figures 5 to 8.
これら両実施例は、水栓がシングルレバ一式湯水混合栓
で、開閉弁に）の弁要素が、本体（１）の湯流路（８）
に連絡する湯用弁孔（９）、水流路（転）Ｋ連絡する水
用弁孔（ロ）及び混合水流路（ロ）に連絡する混合水流
出孔（２）を穿設した固定ディスクへ◆と、この固定板
α◆に摺動自在に重ね合わせられ、固定ディスクα→と
の摺接間に徴用及び／又は水用弁孔（９）（ロ）を混合
水流出孔（至）に連絡する通路に）を凹設した可動ディ
スク（ト）とで構成され、レバーハンドル（財）を操作
して可動ディスク（２）を固定ディスクａ◆上で摺動さ
せ、湯流路（８）、水流路に）から混合水流路（６）へ
の湯、水の流動を開始、停止させると共に湯と水の混合
水流路に）への流入割合なｍ節するようになっている。In both of these embodiments, the faucet is a single-lever hot water mixer faucet, and the valve element of the on-off valve (opening/closing valve) is connected to the hot water flow path (8) of the main body (1).
To the fixed disk with a hot water valve hole (9) connected to the water flow path (transfer), a water valve hole (b) connected to the water flow path (rotation), and a mixed water outflow hole (2) connected to the mixed water flow path (b). ◆ and this fixed plate α◆ are slidably superimposed, and between the sliding contact with the fixed disk α→, the water valve hole (9) (b) is connected to the mixed water outflow hole (to). It consists of a movable disc (g) with a concave recess ( ) in the communicating passage, and the movable disc (2) is slid on the fixed disc a◆ by operating the lever handle, and the hot water flow path (8) is opened. , water flow path) to the mixed water flow path (6), and starts and stops the flow of hot water and water from the mixed water flow path (6) to the mixed water flow path (6).
即ち、第１１第２両実施例においては湯流路（８）と水
流路（転）が夫々開閉弁に）の１次側（−）を構成し、
混合水流路（２）が２次側（ｂ）を構成している。That is, in both the eleventh and second embodiments, the hot water flow path (8) and the water flow path (turn) respectively constitute the primary side (-) of the on-off valve.
The mixed water flow path (2) constitutes the secondary side (b).
従って、以下の説明において１次側（ａ）は湯流路（８
）と水流路に）の双方を包含する。Therefore, in the following explanation, the primary side (a) is the hot water flow path (8
) and water flow path).
まず第１図乃至第４図に示す第１実施例について説明す
ると、上記１次側（−１）相互及び１次側（ａ）と２次
側Ｃｂ）は水栓本体（１）に内設した隔壁（２）により
区画されておシ、１次側（ａ）と２次側←）とを区画す
る隔壁（２）には上記開閉弁（４）を介さずＶＣ，１次
側（＝）と２次側（ｂ）を連絡する通孔に）が穿設され
る。First, the first embodiment shown in FIGS. 1 to 4 will be explained. The primary side (-1) and the primary side (a) and the secondary side Cb) are installed inside the faucet body (1). The partition wall (2) that partitions the primary side (a) and the secondary side ) is bored in the through hole connecting the secondary side (b) and the secondary side (b).
一方、水栓本体（１）には上記通孔（至）と同軸の開口
（至）が１次ＩＩ（−）に開設され、該開口（至）と通
孔に）とく亘って逃し弁（Ｂ）を内装する円筒状のカー
トリッジケース（１）が装着される。On the other hand, in the faucet body (1), an opening (to) coaxial with the above-mentioned through hole (to) is opened at the primary II (-), and a relief valve ( A cylindrical cartridge case (1) containing B) is attached.
カートリッジケース四は一端を開放すると共に他端には
段部に）を介して逃し弁孔（３）を開設し、段部（２）
内面側には逃し弁孔（３）の孔縁に沿りて逃し弁座（４
）を突出形成する。Cartridge case 4 has one end open and a relief valve hole (3) opened at the other end via the stepped portion (2).
On the inner surface side, there is a relief valve seat (4) along the edge of the relief valve hole (3).
) to form a protrusion.
上記カートリッジナースに）の開放された端部の内周に
は着脱自在に′蓋に）を螺着し、逃し弁座（４）近傍の
カートリッジケース勾周速には流入孔に）を開設する。At the inner periphery of the open end of the cartridge nurse (4), removably screw the lid (2) into the inner periphery of the open end of the cartridge nurse (4), and open an inflow hole in the cartridge case gradient speed near the relief valve seat (4). .
尚、カートリッジケース四と蓋（２）にはナース翰内を
本体（１）外部に連絡する通気流路（２）を形成する。Incidentally, a ventilation channel (2) is formed in the cartridge case 4 and the lid (2) to connect the inside of the nurse's handpiece to the outside of the main body (1).
また、カートリッジケース働内部にはピストン（６）と
、このピストン（６）に連係して設けられ、逃し弁座（
４）に対応して逃し弁（Ｂ）を構成する逃し弁体（７）
と、ピストン（６）を介して逃し弁体（７）を常時逃し
弁座（４）方向に付勢するバネ（５）を内装する。Further, inside the cartridge case, a piston (6) is provided in conjunction with the piston (6), and a relief valve seat (
Relief valve body (7) that constitutes the relief valve (B) corresponding to 4)
A spring (5) is installed inside to constantly bias the relief valve body (7) toward the relief valve seat (4) via the piston (6).
ビス）ｙ（６）はカートリッジケース■内周速に対して
夫々摺動自在に設けられた相互に隣接する第１、第２．
２つのピストン（６−） （６ｂ）からなシ、第１ピス
トン（６＆）の前面にはシートパツキンを装着して逃し
弁体（７）を一体に形成する。Screws) y(6) are the first and second screws adjacent to each other that are slidably provided relative to the inner circumferential speed of the cartridge case.
There are two pistons (6-) (6b), and a seat gasket is attached to the front surface of the first piston (6&) to integrally form a relief valve body (7).
また、上記第１ピストン（６ａ）はその後端から前端近
傍にかけて軸方向に凹欠し、該凹欠部と第２ピストン（
６ｂ）とくより空室に）を形成すると共に周速にはこの
空室に）に連通ずる小孔に）を穿設する。Further, the first piston (6a) has a recess in the axial direction from the rear end to the vicinity of the front end, and the recess and the second piston (6a)
6b) In particular, a small hole () is formed in the empty space () and a small hole () communicating with this empty space () is bored at the circumferential speed.
バネ（５）は第２ピストン（６′ｂ）と蓋に）との間に
弾装される。A spring (5) is loaded between the second piston (6'b) and the lid.
而して、上記カートリッジケース■は逃し弁孔（３）側
を先にして開口（６）から本体（１）内の１次側（＝）
に挿入して、開口（２）に螺着すると共に先端を隔壁（
２）の通孔（至）に嵌合する。Therefore, the cartridge case ■ is opened from the opening (6) to the primary side (=) in the main body (1) with the relief valve hole (3) side first.
Insert it into the opening (2) and screw the tip into the partition wall (
Fits into the through hole (to) of 2).
尚、カートリッジケース翰外周と、本体（すの開口（６
）及び隔壁（２）の通孔に）との間、カートリッジケー
ス四内周と第１．第２ピストン（６ａ） （６ｂ）との
間は、夫々０リング、Ｕパツキン等のシール部材を介し
てシールすることは勿論である。In addition, the outer periphery of the cartridge case and the opening (6) of the main body (sleeve)
) and the through hole of the partition wall (2)), between the fourth inner periphery of the cartridge case and the first one. It goes without saying that the second pistons (6a) and (6b) are sealed via sealing members such as O-rings and U-packs.
斯る水栓は開閉弁（Ａ）の開弁状態、即ち１次側＜＝＞
から湯又は水、着しくはその双方が開閉弁に）を経て２
次側後）に流れている状態において、レバーハンドル（
ロ）を操作して可動ディスク（ロ）を摺動させ、開閉弁
（Ａ）を閉弁、即ち１次側（ａ）から２次側（ｂ）への
流体の流動を停止すると、１次側（→の圧力が瞬間的に
上昇するが、その上昇圧力はカートリッジケース（１）
の流入孔りを介して第１ピストン（６＆）に直ちに作用
する。In such a faucet, the on-off valve (A) is in the open state, that is, the primary side <=>
After passing through the hot water or water (or both into the on-off valve)
When the flow is flowing to the next side (rear), the lever handle (
(b) to slide the movable disk (b) and close the on-off valve (A), that is, stop the flow of fluid from the primary side (a) to the secondary side (b). The pressure on the side (→) increases momentarily, but the increased pressure is due to the cartridge case (1).
directly acts on the first piston (6&) through the inlet hole.
一方、１次側（ａ）は第１ピストン（６ａ）と第２ピス
トン（６ｂ）とにより形成される空室に）とも連通して
いるが両者を連通するのが非常に小径な小孔に）である
ため、１次側（ａ）の圧力上昇が空室に）内に伝わるに
は若干の時間を要する。On the other hand, the primary side (a) also communicates with the cavity formed by the first piston (6a) and the second piston (6b), but the communication between the two is through a small hole with a very small diameter. ), it takes some time for the pressure increase on the primary side (a) to be transmitted to the empty chamber ().
従って、開閉弁（Ａ）の閉弁によ９１次側（ａ）の圧力
が急上昇した瞬間第１ピストン（６ａ）の前面に作用す
る圧力と背面に作用する圧力には差が出来、この圧力差
により第１ピストン（６ａ）はバネ（５）の力に抗して
後退し、第２ピストン（６ｂ）をも後退させる。Therefore, at the moment when the pressure on the 91st side (a) suddenly increases due to the closing of the on-off valve (A), a difference is created between the pressure acting on the front surface of the first piston (6a) and the pressure acting on the back surface of the first piston (6a). Due to the difference, the first piston (6a) moves back against the force of the spring (5), causing the second piston (6b) to move back as well.
すると、第１ピストン（６＆）に連係する逃し弁体（７
）も第１ピストン（６＆）と共に後退し、逃し弁座（４
）から離脱して逃し弁０）が開弁する。（第３図）従っ
て、１次側（ａ）の流体が逃し弁（Ｂ）を通って２次側
（ｂ）に放出され、１次側（ａ）の圧力は低下する。Then, the relief valve body (7 &) linked to the first piston (6&)
) also retreats together with the first piston (6 &), and the relief valve seat (4
) and the relief valve 0) opens. (Fig. 3) Therefore, the fluid on the primary side (a) is discharged to the secondary side (b) through the relief valve (B), and the pressure on the primary side (a) decreases.
即ち、開閉弁（４）の閉弁によ）瞬間的に急上昇する１
次側（６１Ｌ）の圧力は、逃し弁（Ｂ）を介して直ちに
２次側Ｃｂ）へ逃がされる。In other words, when the on-off valve (4) is closed, the value of 1 suddenly rises instantaneously.
The pressure on the next side (61L) is immediately released to the secondary side Cb) via the relief valve (B).
上記２次側（ｂ）への圧力放出により、１次側の圧力が
静圧に戻ると第１、第２ピストン（６−） （６ｂ）は
バネ（５）の力により前進し、これと連係する逃し弁体
（７）が逃し弁座（４）に当接して逃し弁（Ｂ）は閉弁
する、。When the pressure on the primary side returns to static pressure due to the pressure released to the secondary side (b), the first and second pistons (6-) (6b) move forward by the force of the spring (5), and The associated relief valve body (7) abuts the relief valve seat (4) and the relief valve (B) closes.
また、給湯光、給水光の圧力変動などによっても１次Ｉ
Ｉ （＆）の圧力が上昇することがあるが、この場合に
は圧力上昇は緩慢に行なわれ、水が小孔に）よシ空室に
）内に流入し、空室に）内外にはと９たてていう壕どの
圧力差は生じないので、第１ピストン（６＆）は作動せ
ず、逃し弁φ）は開弁しないが、１次側（ａ）圧力がバ
ネ（５）の力を越えると空室（ハ）内の圧力により第２
ピストン（６ｂ）が後退し、空室（イ）の容積が拡張す
る。（第４図）而して、この空室に）の容積増加によ９
１次側（−１）の上昇圧力は吸収される。In addition, the primary I
I (&) pressure may increase, but in this case, the pressure increase is slow, and water flows into the small hole) and into the cavity), and inside and outside the cavity). Since there is no pressure difference between the grooves 9 and 9, the first piston (6&) does not operate and the relief valve φ) does not open, but the primary side (a) pressure overcomes the force of the spring (5). If the pressure exceeds the second one due to the pressure inside the empty chamber (c).
The piston (6b) retreats and the volume of the empty chamber (a) expands. (Fig. 4) Therefore, due to the increase in volume of this empty room, 9
The increased pressure on the primary side (-1) is absorbed.
尚、第２図において、（Ｃ）は逆上弁、に）はストレー
ナ−１であり、上記逆止弁（Ｃ）は、図面には示されて
いないが水流路（６）にも設けられておシ、開閉弁←）
の閉弁時、湯流路（８）内の熱湯からの伝熱により、水
流路（転）の開閉弁に）と逆止弁（０）との間の密閉空
間内の水が加熱され、大幅に熱膨張した場合に上記密閉
空間の容積を拡張して上昇圧力をｇ＆収するために、そ
の逆止弁座（至）を上流側へ移動可能に設けである。In Fig. 2, (C) is a backflow valve, and 2) is a strainer 1, and although not shown in the drawing, the check valve (C) is also provided in the water flow path (6). Open/close valve ←)
When the valve is closed, heat transfer from the hot water in the hot water flow path (8) heats the water in the closed space between the water flow path (turnover valve) and the check valve (0), In order to expand the volume of the sealed space and contain the rising pressure in the event of significant thermal expansion, the check valve seat is movable to the upstream side.
また、第１図において（Ｄ）は開閉弁の２次側後）、即
ち混合水流路（６）に設けられ、混合水の供給対象をバ
ス又はシャワーに選択的に切換えるバス・シャワー切換
弁、（樽は上水弁である。In addition, in FIG. 1, (D) is provided on the secondary side of the on-off valve (after the secondary side), that is, a bath/shower switching valve that is provided in the mixed water flow path (6) and selectively switches the mixed water supply target to a bath or a shower. (The barrel is a water valve.
次に第５図乃至第８図に示す第２実施例について説明す
る。Next, a second embodiment shown in FIGS. 5 to 8 will be described.
この実施例は、１次側（ａ）と２次側Ｃｂ）とを区画す
る隔壁（−）に直接逃し弁孔（３）及び逃し弁座（４）
が形成されて訃り、上記逃し弁ｆｆ１（４）Ｋ対応する
逃し弁体り７）の背面に凹欠部−が形成され、威凹欠都
に）にピストン（６）が摺動自在に嵌合している。This embodiment has a relief valve hole (3) and a relief valve seat (4) directly in the partition wall (-) that partitions the primary side (a) and the secondary side Cb).
A concave notch is formed on the back surface of the relief valve body 7) corresponding to the relief valve ff1(4)K, and the piston (6) can freely slide into the concave notch. They are mated.
ピストン（６）は、１次側（＆）ｋ連絡せしめて上記逃
し弁孔（３）と同軸に本体（１）Ｋ開設した開口（２）
から１次側（−）内に挿入される円筒状のライナーに）
に摺動自在に配備され、ライナー（至）内周直に摺接す
る受圧部ｏ１と、該受圧部（ロ）の前面に突出する受圧
部０力よシ小径な弁体係合突部に）と、受圧部０１背面
に突出するガイド俸（至）とを一体に有してシシ、上記
弁体係合突部（至）を逃し弁体（７）の凹欠部−に０リ
ング（至）を介して摺動自在に嵌合する。尚、ガイド俸
（至）はなくても良い。The piston (6) has an opening (2) opened in the main body (1) K coaxially with the above-mentioned relief valve hole (3) so as to communicate with the primary side (&)k.
to the cylindrical liner inserted into the primary side (-)
A pressure receiving part o1 which is slidably arranged in the liner and slides directly into the inner circumference of the liner (to), and a valve body engaging protrusion having a smaller diameter than the pressure receiving part protruding from the front surface of the pressure receiving part (b). and a guide ridge (to) protruding from the back surface of the pressure receiving part 01. ) to be slidably fitted. Note that there is no need for a guide salary.
ｔｉ、ピストン（６）は七〇受圧部（ハ）前面と逃し弁
体（７）の後端面に亘って両者（６）（７）を引き離し
、逃し弁体（７）を閉弁方向に付勢する第２バネ（至）
を装備する。ti, the piston (6) separates both (6) and (7) across the front face of the pressure receiving part (c) and the rear end face of the relief valve body (7), and attaches the relief valve body (7) in the valve closing direction. 2nd spring (to)
be equipped with.
従って、逃し弁体（７）とピストン（６）間には、逃し
弁体（７）の凹欠部（２）とピストン（６）の弁体係合
突部に）とにより空室に）が形成される。Therefore, an empty space is created between the relief valve body (7) and the piston (6) by the concave notch (2) of the relief valve body (7) and the valve body engagement protrusion of the piston (6). is formed.
そして、逃し弁体（７）の側周面には空室に）Ｋ連通す
る小孔に）を穿設する。Then, a small hole (K) communicating with the empty chamber is bored in the side peripheral surface of the relief valve body (7).
ライナー曽は、円筒状を呈し、一端開口外周面に内ＭＣ
ＩＩが螺着されておシ、該内蓋（至）外周面を本体（１
）の開口（２）に螺着される蓋（２）内周面に螺着する
ことにより、本体（１）内に挿入状に装着され、その内
端が開閉弁（Ａ）の１次側（ａ）内に開口している。The liner has a cylindrical shape, and has an inner MC on the outer peripheral surface with an opening at one end.
II is screwed on, and the outer circumferential surface of the inner lid (to) is attached to the main body (1).
) is inserted into the main body (1) by screwing onto the inner peripheral surface of the lid (2), which is screwed onto the opening (2) of (a) Opens inward.
そして、上記内蓋（至）とピストン（６）背藺との閾に
は前記第２バネ（至）よシ強力なバネ（５）が弾装され
る。A spring (5) stronger than the second spring (5) is loaded at the threshold between the inner cover (1) and the back of the piston (6).
また、内Ｍ（至）ｋは中央にガイド孔（ロ）が開穿され
ておシ、該ガイド孔（ロ）をピストン（６）背量のガイ
ド俸（至）が遊嵌状に挿通する。In addition, a guide hole (B) is drilled in the center of the inner M (to) k, and a guide hole (to) of the back of the piston (6) is inserted into the guide hole (B) in a loose manner. .
一方、本体開口（６）の蓋に）には内蓋（至）のガイド
孔妨を介してライナー■内に連絡する空気流通路（ハ）
を形成する透孔を開穿する。On the other hand, in the lid of the main body opening (6)), there is an air flow passage (c) that communicates with the inside of the liner through the guide hole in the inner lid (to).
A through hole is drilled to form a hole.
而して、本実施例の水栓は、開閉弁（４）の開弁状態か
ら、レバーへンドル（ロ）の操作により可動ディスク（
ト）が作動して開閉弁■が閉弁じ、１次側（−）の圧力
が瞬間的に急上昇すると、その上昇圧力がピストン（６
）の受圧部０１に即座に作用してピストン（６）を後退
させる。Thus, in the faucet of this embodiment, the movable disc (
When the on-off valve (6) is activated and the on-off valve (6) is closed, the pressure on the primary side (-) suddenly rises.
) immediately acts on the pressure receiving part 01 of the piston (6) to retreat.
上記圧力上昇は瞬間的であシ、１次側（＆）と空室（２
）の連絡が非常に小径な小孔（２）によってなされてい
るため上昇圧力は空室（ハ）内に作用しない。即ち、空
室に）の容積が増加しない。The above pressure increase is instantaneous, and the pressure rise on the primary side (&) and the empty space (2
) are communicated through a small hole (2) with a very small diameter, so the increased pressure does not act on the inside of the cavity (c). In other words, the volume of the vacant room does not increase.
従って、ピストン（６）が後退すると、０リング（ロ）
の摩擦抵抗によりピストン（６）に引張られて逃し弁体
（７）もピストン（６）と共に後退し、逃し弁（Ｂ）が
開弁する。（第７図）
そのため１次側（→の上昇圧力は逃し弁孔（３）を通っ
て２次側（ｂ）に放出され１次側（ａ）の圧力は直ちに
低下する。Therefore, when the piston (6) retreats, the O-ring (b)
The relief valve body (7) is pulled back by the piston (6) due to the frictional resistance, and the relief valve body (7) also retreats together with the piston (6), opening the relief valve (B). (Fig. 7) Therefore, the increased pressure on the primary side (→) is released to the secondary side (b) through the relief valve hole (3), and the pressure on the primary side (a) immediately decreases.
尚、１次側（＝）の圧力低下によりピストン（６）はバ
ネ（５）の力により元の位置に復帰し、逃し弁体（７）
も第２バネ（至）の力により閉弁位置に復帰する。In addition, due to the pressure drop on the primary side (=), the piston (6) returns to its original position by the force of the spring (5), and the relief valve body (7)
The valve is also returned to the closed position by the force of the second spring.
また、開閉弁（ト）の閉弁による以外の原因によっても
１次側（ａ）の圧力が上昇することがあるが、その圧力
上昇が緩慢に行なわれるときには、その上昇圧力は空室
に）内にも作用し、逃し弁体（７）を逃し弁座（４）に
押しつける一方、弁体係合突部（２）を介してピストン
（６）を後方へ抑圧移動せしめる。（第８図）
従って、空室に）の容積が拡張し、それによ＃）１次［
（ａ）の上昇圧力を吸収する。In addition, the pressure on the primary side (a) may rise due to causes other than the closing of the on-off valve (g), but if the pressure rises slowly, the increased pressure will be transferred to the empty chamber) It also acts inward, pressing the relief valve body (7) against the relief valve seat (4), and pressing the piston (6) rearward via the valve body engagement protrusion (2). (Fig. 8) Therefore, the volume of the vacant room) expands, and the volume of the primary [
Absorb the rising pressure in (a).
（効果） 本発明は上記の構成であるので、以下の利点を有する。(effect) Since the present invention has the above configuration, it has the following advantages.
開閉弁の急閉等によ＃）１次側に急激な圧力上昇が生じ
ると、逃し弁が開弁して１次側の上昇圧力を２次側へ放
出するので、ウォーターハンマーの発生を防止すること
ができる。When a sudden pressure rise occurs on the primary side due to sudden closing of the on-off valve, etc., the relief valve opens and releases the increased pressure on the primary side to the secondary side, preventing the occurrence of water hammer. can do.
従って、ウォーターハンマーにより上流側の配管や機器
に損害を与える恐れがない。Therefore, there is no risk of damage to upstream piping or equipment due to water hammer.
第１図乃至第４図は本発明水栓の第１実施例を示し、第
１図は縦断正面図、第２図は横断平面図、第３図、第４
図は作動状態を示す要部の拡大断面図でちる。第５図乃
至第８図は本発明水栓の第２実施例を示し、第５図は縦
断正面図、第６図は横断平面図、第、７図、第６図は作
動状態を示す要部の拡大断面図である。
１：水栓本体 ２：隔 壁
３：逃し弁孔 ４：逃し弁座
５：バ ネ ６：ピストン７：逃し弁体
ａｌ１次側 ′ｂ：２次側
Ａ：開閉弁 Ｂ：逃し弁
特許出願人 束ｖ１５Ｊ機器株式会社代 理 人
早 川 政 （１名、′）第３図
第４図1 to 4 show a first embodiment of the faucet of the present invention, in which FIG. 1 is a longitudinal sectional front view, FIG. 2 is a cross-sectional plan view, and FIGS.
The figure is an enlarged sectional view of the main parts showing the operating state. 5 to 8 show a second embodiment of the faucet of the present invention, in which FIG. 5 is a longitudinal sectional front view, FIG. 6 is a cross-sectional plan view, and FIGS. FIG. 1: Faucet body 2: Partition wall 3: Relief valve hole 4: Relief valve seat 5: Spring 6: Piston 7: Relief valve body AL primary side 'b: Secondary side A: Open/close valve B: Relief valve patent application Person Bundle v15J Equipment Co., Ltd. Agent Person
Masa Hayakawa (1 person, ') Figure 3 Figure 4
Claims (1)
体の１次側と２次側とを区画する隔壁部分に逃し弁孔を
開設してその１次側開口縁に逃し弁座を形成し、上記逃
し弁座の１次側には逃し弁座に対向して設けられ、バネ
により常時逃し弁座側に付勢されると共に１次側内の圧
力を受けて、該圧力が上記バネのバネ力を越えると逃し
弁座から遠ざかるように作動するピストンと、該ピスト
ンに連係して進退し、逃し弁座に接離する逃し弁体を配
備してなる水栓。A relief valve hole is provided in the partition wall that separates the primary side and the secondary side of a faucet body that has an on-off valve that opens and closes by an external operating force, and a relief valve seat is formed at the edge of the opening on the primary side. , is provided on the primary side of the relief valve seat to face the relief valve seat, is always urged toward the relief valve seat side by a spring, and receives pressure within the primary side, and the pressure is applied to the spring. A faucet comprising a piston that moves away from a relief valve seat when a spring force is exceeded, and a relief valve body that moves forward and backward in conjunction with the piston and approaches and separates from the relief valve seat.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61243539A JPS6396365A (en) | 1986-10-13 | 1986-10-13 | Bibcock |
| KR1019870011271A KR920008003B1 (en) | 1986-10-13 | 1987-10-12 | Water hammer prevented structure of faucet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61243539A JPS6396365A (en) | 1986-10-13 | 1986-10-13 | Bibcock |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25898990A Division JPH03140684A (en) | 1990-09-28 | 1990-09-28 | Faucet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6396365A true JPS6396365A (en) | 1988-04-27 |
| JPH0335546B2 JPH0335546B2 (en) | 1991-05-28 |
Family
ID=17105384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61243539A Granted JPS6396365A (en) | 1986-10-13 | 1986-10-13 | Bibcock |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS6396365A (en) |
| KR (1) | KR920008003B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5038823A (en) * | 1988-11-30 | 1991-08-13 | Toto Ltd. | Device for preventing water hammer while regulating water pressure |
-
1986
- 1986-10-13 JP JP61243539A patent/JPS6396365A/en active Granted
-
1987
- 1987-10-12 KR KR1019870011271A patent/KR920008003B1/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5038823A (en) * | 1988-11-30 | 1991-08-13 | Toto Ltd. | Device for preventing water hammer while regulating water pressure |
Also Published As
| Publication number | Publication date |
|---|---|
| KR920008003B1 (en) | 1992-09-21 |
| KR880005389A (en) | 1988-06-29 |
| JPH0335546B2 (en) | 1991-05-28 |
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