JP2002181230A - Water hammer preventer - Google Patents
Water hammer preventerInfo
- Publication number
- JP2002181230A JP2002181230A JP2000381130A JP2000381130A JP2002181230A JP 2002181230 A JP2002181230 A JP 2002181230A JP 2000381130 A JP2000381130 A JP 2000381130A JP 2000381130 A JP2000381130 A JP 2000381130A JP 2002181230 A JP2002181230 A JP 2002181230A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- water hammer
- valve unit
- fluid
- main body
- 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.)
- Pending
Links
Landscapes
- Pipe Accessories (AREA)
- Check Valves (AREA)
- Details Of Valves (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、水撃作用即ちウォ
ーターハンマーを防止するものに関する。ウォーターハ
ンマーは、各種流体配管中の液体が高速流となって、配
管の曲り部や、配管に取り付けられている弁などに激し
く衝突して、著しい衝撃や振動を与え、場合によっては
配管や弁あるいは配管接続された装置などに損傷を与え
るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for preventing a water hammer or a water hammer. The water hammer causes the liquid in various fluid pipes to flow at a high speed, violently colliding with a bent part of the pipe or a valve attached to the pipe, causing significant impact or vibration, and in some cases, causing the pipe or valve Alternatively, it may damage a device connected to the pipe.
【０００２】[0002]
【従来の技術】従来のこの種のウォーターハンマー防止
器としては、例えば特開平１１−１４８５９１号公報に
示されたものがある。これは、円筒状の本体の内部に、
螺旋状の長尺板状部材を摺動自在に取り付けて、高速液
体流の流速を減じることによって、ウォーターハンマー
を防止するものである。2. Description of the Related Art As a conventional water hammer preventing device of this kind, there is one disclosed in Japanese Patent Application Laid-Open No. H11-148591, for example. This is inside the cylindrical body,
A water-hammer is prevented by slidably attaching a helical long plate-like member to reduce the flow velocity of the high-speed liquid flow.
【０００３】[0003]
【発明が解決しようとする課題】上記従来のウォーター
ハンマー防止器では、長尺状の防止器本体を単独で流体
配管に取り付けなければならず、取り付けスペースが充
分に確保できない場合は防止器を単独で取り付けること
ができない問題があった。通常、流体配管には様々な弁
類や装置が取り付けられ、これらの取り付けスペースに
よって、ウォーターハンマー防止器を取り付けられなく
なるケースがある。In the above-mentioned conventional water hammer arrestor, the elongate arrestor main body has to be independently attached to the fluid pipe, and if the installation space cannot be sufficiently ensured, the arrestor alone is used. There was a problem that could not be installed. Usually, various valves and devices are attached to the fluid piping, and there are cases where the water hammer preventer cannot be attached due to the attachment space.
【０００４】従って本発明の課題は、各種弁類とウォー
ターハンマー防止器を組み合わせて、小さなスペースに
両者をコンパクトに取り付けることができるウォーター
ハンマー防止器を得ることである。[0004] It is therefore an object of the present invention to provide a water hammer arrester which can be mounted compactly in a small space by combining various valves and a water hammer arrester.
【０００５】[0005]
【課題を解決するための手段】上記の課題を解決するた
めに講じた手段は、流体配管中に流体の緩衝部材を取り
付けて、当該緩衝部材によってウォーターハンマーを緩
衝して防止するものにおいて、防止器ケーシングで緩衝
室を形成して、当該緩衝室内に少なくとも弁体と弁座か
ら成る弁ユニットを摺動可能に配置し、当該弁ユニット
の端部と緩衝室の端部との間に弾性部材を介在させたも
のである。Means taken to solve the above-mentioned problem is that a buffer member for a fluid is mounted in a fluid pipe and a water hammer is buffered and prevented by the buffer member. A buffer chamber is formed by a casing, and a valve unit including at least a valve body and a valve seat is slidably disposed in the buffer chamber, and an elastic member is provided between an end of the valve unit and an end of the buffer chamber. Is interposed.
【０００６】[0006]
【発明の実施の形態】防止器ケーシングで形成した緩衝
室内に弾性部材を介在して弁ユニットを摺動可能に配置
したことにより、弁ユニットとウォーターハンマー防止
部材の両方をコンパクト形状とすることができ、小さな
スペースに取り付けることができる。DESCRIPTION OF THE PREFERRED EMBODIMENTS By slidably arranging a valve unit with an elastic member interposed in a buffer chamber formed by an arrestor casing, both the valve unit and the water hammer prevention member can be made compact. It can be mounted in a small space.
【０００７】[0007]
【実施例】本実施例においては、弁ユニット７の弁とし
て所謂逆止弁を用いた例を示す。図１において、略円筒
状の本体１と蓋部材２でウォーターハンマー防止器３の
ケーシングを形成して内部には中空円筒状の緩衝室４を
設ける。この緩衝室４を介して、本体１に流体入口５を
設け、蓋部材２に流体出口６を設ける。In this embodiment, an example in which a so-called check valve is used as a valve of the valve unit 7 will be described. In FIG. 1, a casing of a water hammer prevention device 3 is formed by a substantially cylindrical main body 1 and a lid member 2, and a hollow cylindrical buffer chamber 4 is provided therein. A fluid inlet 5 is provided in the main body 1 and a fluid outlet 6 is provided in the lid member 2 via the buffer chamber 4.
【０００８】緩衝室４内に弾性部材としての部分圧縮状
態のコイルバネ８，９を介在して、摺動可能に円筒状の
弁ユニット７を配置する。弁ユニット７は、中空円筒状
で流体入口５側に貫通孔１６を形成した弁ユニット本体
１０と、弁ユニット本体１０の内端に設けた環状の弁座
１１と、環状弁座１１に対向して配置した円板状の弁体
１２と、弁体１２を弁座１１方向に弾性付勢する圧縮コ
イルバネ１３、及び、弁ユニット本体１０に固着され圧
縮コイルバネ１３の一端部を保持するバネ受け部材１４
とで構成する。A cylindrical valve unit 7 is slidably disposed in a buffer chamber 4 with coil springs 8 and 9 in a partially compressed state as elastic members. The valve unit 7 has a hollow cylindrical shape, a valve unit main body 10 having a through-hole 16 formed on the fluid inlet 5 side, an annular valve seat 11 provided at an inner end of the valve unit main body 10, and an opposing annular valve seat 11. Disc-shaped valve body 12, a compression coil spring 13 for elastically urging the valve body 12 in the direction of the valve seat 11, and a spring receiving member fixed to the valve unit body 10 and holding one end of the compression coil spring 13 14
It consists of
【０００９】バネ受け部材１４の中央には貫通孔１５を
設ける。また、円板状弁体１２のコイルバネ１３側端部
には凸部１８を形成して、コイルバネ１３が最大圧縮し
た場合のストッパーとする。A through hole 15 is provided at the center of the spring receiving member 14. A protrusion 18 is formed at the end of the disc-shaped valve element 12 on the side of the coil spring 13 to serve as a stopper when the coil spring 13 is compressed to the maximum.
【００１０】弁ユニット７は、入口５から流体が流入し
てくると、その流体圧力によってコイルバネ１３が圧縮
して弁体１２が弁座１１から離座することによって、流
体を出口６へと流下させ、入口５からの流体の流入がな
くなると、コイルバネ１３の弾性力によって弁体１２が
弁座１１に着座して、流体の逆流を防止するものであ
る。When fluid flows in from the inlet 5, the valve spring 12 is compressed by the fluid pressure and the valve body 12 is separated from the valve seat 11, so that the fluid flows down to the outlet 6. When the inflow of the fluid from the inlet 5 is stopped, the valve body 12 is seated on the valve seat 11 by the elastic force of the coil spring 13 to prevent the fluid from flowing backward.
【００１１】弁ユニット本体１０の中央外周部には摺動
リング１７を嵌め込んで、本体１の内周面と摺動可能
に、且つ、流体の漏洩は防止するように配置する。A sliding ring 17 is fitted around the central outer periphery of the valve unit main body 10 so as to be slidable on the inner peripheral surface of the main body 1 and to prevent fluid leakage.
【００１２】入口５側からウォーターハンマーを発生す
る程度の高速液体流が流入してくると、まず、弁体１２
の凸部１８がバネ受け部材１４に接する位置まで変位
し、続いて弁ユニット７が蓋部材２側に変位してコイル
バネ９を圧縮することによって、高速液体流を緩衝して
ウォーターハンマーを防止することができる。When a high-speed liquid flow that generates a water hammer flows from the inlet 5 side, first, the valve element 12
Is displaced to a position where it comes into contact with the spring receiving member 14, and then the valve unit 7 is displaced toward the lid member 2 to compress the coil spring 9, thereby buffering the high-speed liquid flow and preventing a water hammer. be able to.
【００１３】反対に出口６側から高速液体流が逆流して
くると、弁ユニット７が入口５側に変位してコイルバネ
８を圧縮することによってウォーターハンマーを防止す
ることができる。On the other hand, when the high-speed liquid flows backward from the outlet 6 side, the valve unit 7 is displaced to the inlet 5 side to compress the coil spring 8, thereby preventing the water hammer.
【００１４】本実施例においては、弁ユニット７として
円板状の弁体１２を有する逆止弁を用いた例を示した
が、逆止弁としてはこの形状のものに限られることはな
く、例えばプレート逆止弁やバタフライ逆止弁あるいは
ボール、スイング、リフト等の逆止弁を同様に用いるこ
とができる。In this embodiment, an example is shown in which a check valve having a disc-shaped valve element 12 is used as the valve unit 7, but the check valve is not limited to this shape. For example, a check valve such as a plate check valve, a butterfly check valve, or a check valve such as a ball, a swing, and a lift can be similarly used.
【００１５】また、弁ユニットとしては逆止弁に限られ
ることはなく、少なくとも弁座と弁体をユニット状に形
成したバタフライ弁やボール弁等の汎用弁にも同様に用
いることができる。The valve unit is not limited to a check valve, but may be used for general-purpose valves such as a butterfly valve and a ball valve in which at least a valve seat and a valve body are formed in a unit shape.
【００１６】[0016]
【発明の効果】本発明によれば、各種弁類とウォーター
ハンマー防止器を組み合わせて、小さなスペースに両者
をコンパクトに取り付けることができる。According to the present invention, various valves and a water-hammer preventer can be combined, and both can be compactly mounted in a small space.
【図１】本発明のウォーターハンマー防止器の断面図。FIG. 1 is a sectional view of a water hammer prevention device of the present invention.
１ 本体 ２ 蓋部材 ４ 緩衝室 ５ 流体入口 ６ 流体出口 ７ 弁ユニット ８，９ コイルバネ １０ 弁ユニット本体 １１ 弁座 １２ 弁体 DESCRIPTION OF SYMBOLS 1 Main body 2 Lid member 4 Buffer chamber 5 Fluid inlet 6 Fluid outlet 7 Valve unit 8, 9 Coil spring 10 Valve unit main body 11 Valve seat 12 Valve body
Claims (1)
て、当該緩衝部材によってウォーターハンマーを緩衝し
て防止するものにおいて、防止器ケーシングで緩衝室を
形成して、当該緩衝室内に少なくとも弁体と弁座から成
る弁ユニットを摺動可能に配置し、当該弁ユニットの端
部と緩衝室の端部との間に弾性部材を介在させたことを
特徴とするウォーターハンマー防止器。1. A device in which a buffer member for a fluid is mounted in a fluid pipe and a water hammer is buffered and prevented by the buffer member. And a valve unit comprising a valve seat and a valve seat are slidably disposed, and an elastic member is interposed between an end of the valve unit and an end of the buffer chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000381130A JP2002181230A (en) | 2000-12-15 | 2000-12-15 | Water hammer preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000381130A JP2002181230A (en) | 2000-12-15 | 2000-12-15 | Water hammer preventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002181230A true JP2002181230A (en) | 2002-06-26 |
Family
ID=18849201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000381130A Pending JP2002181230A (en) | 2000-12-15 | 2000-12-15 | Water hammer preventer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002181230A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008008310A (en) * | 2006-06-27 | 2008-01-17 | Shiroki Corp | One-way valve and door check device |
| KR20080035398A (en) * | 2006-10-19 | 2008-04-23 | 주식회사 유압사랑 | Structure of double pilot check valve for improving on noize characteristic |
| CN103438249A (en) * | 2013-08-19 | 2013-12-11 | 西安江河电站技术开发有限责任公司 | Gas check valve |
| CN104782286A (en) * | 2015-05-08 | 2015-07-22 | 杨国福 | Special vacuum storage tank for air-suction planter |
| CN108895197A (en) * | 2018-07-26 | 2018-11-27 | 苏州谊佳润机电制造有限公司 | A kind of Truncated pipe cleaning valve of anti-high pressure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5534036U (en) * | 1978-08-23 | 1980-03-05 | ||
| JPS61131584U (en) * | 1985-02-05 | 1986-08-16 | ||
| JPH05187565A (en) * | 1992-01-10 | 1993-07-27 | Inax Corp | Check valve having pressure relaxation structure |
-
2000
- 2000-12-15 JP JP2000381130A patent/JP2002181230A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5534036U (en) * | 1978-08-23 | 1980-03-05 | ||
| JPS61131584U (en) * | 1985-02-05 | 1986-08-16 | ||
| JPH05187565A (en) * | 1992-01-10 | 1993-07-27 | Inax Corp | Check valve having pressure relaxation structure |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008008310A (en) * | 2006-06-27 | 2008-01-17 | Shiroki Corp | One-way valve and door check device |
| KR20080035398A (en) * | 2006-10-19 | 2008-04-23 | 주식회사 유압사랑 | Structure of double pilot check valve for improving on noize characteristic |
| CN103438249A (en) * | 2013-08-19 | 2013-12-11 | 西安江河电站技术开发有限责任公司 | Gas check valve |
| CN104782286A (en) * | 2015-05-08 | 2015-07-22 | 杨国福 | Special vacuum storage tank for air-suction planter |
| CN108895197A (en) * | 2018-07-26 | 2018-11-27 | 苏州谊佳润机电制造有限公司 | A kind of Truncated pipe cleaning valve of anti-high pressure |
| CN108895197B (en) * | 2018-07-26 | 2024-05-07 | 跃丰阀门制造有限公司 | High-pressure-resistant cut-off type pipe cleaning valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20070918 |
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