JP2007187253A - Exhaust valve - Google Patents

Exhaust valve Download PDF

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Publication number
JP2007187253A
JP2007187253A JP2006006223A JP2006006223A JP2007187253A JP 2007187253 A JP2007187253 A JP 2007187253A JP 2006006223 A JP2006006223 A JP 2006006223A JP 2006006223 A JP2006006223 A JP 2006006223A JP 2007187253 A JP2007187253 A JP 2007187253A
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Prior art keywords
float
valve chamber
water
receiving member
inlet
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JP2006006223A
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Japanese (ja)
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Toshiyuki Seki
利行 関
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TLV Co Ltd
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TLV Co Ltd
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Priority to JP2006006223A priority Critical patent/JP2007187253A/en
Publication of JP2007187253A publication Critical patent/JP2007187253A/en
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  • Float Valves (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To prevent a leakage of water even though water suddenly flows into a valve chamber through an inlet port. <P>SOLUTION: A valve chamber 3 is formed for which the inlet port 4 is opened at its lower part and an outlet port 5 is opened at its upper part, in a casing formed by a main body 1 and a cover 2. A valve seat 6 is formed between the valve chamber 3 and outlet port 5. The main body 1 integrally has a plurality of ribs 9 sticking inside on an inner wall of the valve chamber 3, and fixes, inside the ribs 9, a float support 10 with a bottom having an approximately cylindrical through-hole 11 connecting the inside and outside at its bottom section. A spherical float 12 is arranged in the float support 10 in a free state. A water flow receiving member 13 is arranged at a lower part of the float 12. The water flow receiving member 13 passes through the float support 10, and is arranged at an inlet port 4 side by urging with a coil spring 18 as an elastic member. The float 12 is displaced at an outlet port 5 side so that the water flow receiving member 13 is displaced on the basis of power of water rapidly flowing into the valve chamber 3 through the inlet port 4 while resisting the coil spring 18. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、配管に水を送り込むときに開弁して配管内の空気を排気し、排気が終われば閉弁し、また配管系の圧力が低下して真空状態となったときに開弁して外部空気を導入することにより真空状態を破壊する排気弁に関する。   The present invention opens the valve when water is fed into the pipe, exhausts the air in the pipe, closes when the exhaust is finished, and opens when the pressure in the piping system drops to a vacuum state. The present invention relates to an exhaust valve that breaks a vacuum state by introducing external air.

従来の排気弁は、ケーシングで下部に流入口が開口し上部に流出口が開口した弁室を形成し、弁室と流出口の間に弁座を形成し、弁室内壁に内側に突出したリブを形成し、リブの内側に有底のほぼ円筒形状で底部に内外を連通する通孔を設けたフロート受けを固定し、フロート受け内にフロートを自由状態で配したものである。この排気弁は、先ず配管に水を送り込むときにはフロートが弁座から離座して降下した開弁状態であり、流入口から弁室内に流入してくる配管内の空気をリブの間の空間からフロート受け上端を通して及び通孔からフロート受け内を通して流出口に排気する。そして排気が終わって配管内の水が流入口から弁室内に流入してくると、リブの間の空間からフロート受け上端を通して及び通孔を通してフロート受け内に流入する水によってフロートが浮上して弁座に着座し閉弁する。また配管系の圧力が低下して真空状態となったときにはフロートが弁座から離座して降下し、流出口から弁室内に流入してくる外部空気をフロート受け内から通孔を通して及びフロート受け上端からリブの間の空間を通して流入口から配管内に導入することにより真空状態を破壊する。   A conventional exhaust valve forms a valve chamber with an inlet opening at the bottom and an outlet opening at the top of the casing, forming a valve seat between the valve chamber and the outlet, and projecting inward to the valve chamber wall. A float receiver is formed in which a rib is formed, and a bottom having a substantially cylindrical shape with a bottom and a through hole communicating with the inside and the outside is fixed to the inside of the rib, and the float is arranged in a free state in the float receiver. This exhaust valve is in an open state in which when the water is first fed into the pipe, the float is separated from the valve seat and descends, and the air in the pipe flowing into the valve chamber from the inlet is drawn from the space between the ribs. Exhaust through the upper end of the float receiver and through the inside of the float receiver to the outlet. Then, when the exhaust is finished and the water in the pipe flows into the valve chamber from the inlet, the float floats by the water flowing into the float receiver from the space between the ribs through the float receiver upper end and through the through hole. Sit on the seat and close the valve. In addition, when the pressure in the piping system drops to a vacuum state, the float moves away from the valve seat and descends, and external air flowing into the valve chamber from the outlet is passed through the through hole and through the float receiver. The vacuum state is broken by introducing into the pipe from the inlet through the space between the upper end and the rib.

上記従来の排気弁は、水が流入口から弁室内に急激に流入してくると、流出口から漏水してしまう問題点があった。これは、フロート受け底部の通孔の開口面積が小さいので、フロート受け内の水位の上昇が遅れるために、フロートの浮上が遅れ、リブの間の空間からフロート受け上端を通過する水の一部が漏水するためである。
実公昭５３−１６２２号公報 The conventional exhaust valve has a problem that water leaks from the outlet when water suddenly flows into the valve chamber from the inlet. This is because the opening area of the through hole at the bottom of the float receiver is small, so the rise of the water level in the float receiver is delayed, so that the float rises late, and part of the water that passes through the float receiver upper end from the space between the ribs This is because water leaks.
Japanese Utility Model Publication No. 53-1622

従って本発明の技術的課題は、水が流入口から弁室内に急激に流入してきても、漏水を生じない排気弁を提供することである。   Therefore, the technical problem of the present invention is to provide an exhaust valve that does not cause water leakage even when water suddenly flows into the valve chamber from the inlet.

上記の技術的課題を解決するために講じた本発明の技術的手段は、ケーシングで下部に流入口が開口し上部に流出口が開口した弁室を形成し、弁室と流出口の間に弁座を形成し、弁室内壁に内側に突出したリブを形成し、リブの内側に有底のほぼ円筒形状で底部に内外を連通する通孔を設けたフロート受けを配し、フロート受け内にフロートを自由状態で配したものにおいて、弾性部材で流入口側に付勢した水流受け部材をフロートの下方からフロート受けを貫通して配置し、流入口から弁室内に急激に流入する水の勢いで水流受け部材が弾性部材に抗して変位してフロートを流出口側に変位させることを特徴とするものである。   The technical means of the present invention taken in order to solve the above technical problem is to form a valve chamber having an inlet opening in the lower part and an outlet opening in the upper part of the casing, and between the valve chamber and the outlet. A valve seat is formed, a rib that protrudes inward is formed on the inner wall of the valve chamber, and a float receiver that has a substantially cylindrical shape with a bottom on the inside of the rib and that has a through hole that communicates the inside and outside is arranged inside the float receiver. The water flow receiving member urged to the inlet side by an elastic member is disposed through the float receiver from below the float, and the water that suddenly flows into the valve chamber from the inlet port The water flow receiving member is displaced against the elastic member with momentum, and the float is displaced to the outlet side.

本発明は、弾性部材で流入口側に付勢した水流受け部材をフロートの下方からフロート受けを貫通して配置し、流入口から弁室内に急激に流入する水の勢いで水流受け部材が弾性部材に抗して変位してフロートを流出口側に変位させることにより、水が流入口から弁室内に急激に流入してきても、フロート受け内の少しの水位上昇よりフロートが弁座に着座し閉弁するので、漏水を生じることがないという優れた効果を生じる。   In the present invention, a water flow receiving member urged toward the inlet by an elastic member is disposed so as to penetrate the float receiver from below the float, and the water flow receiving member is elasticized by the force of water that suddenly flows into the valve chamber from the flow inlet. By displacing against the member and displacing the float toward the outlet, even if water suddenly flows into the valve chamber from the inlet, the float is seated on the valve seat due to a slight rise in the water level in the float receiver. Since the valve is closed, an excellent effect of preventing water leakage is produced.

本発明は、弾性部材で流入口側に付勢した水流受け部材をフロートの下方からフロート受けを貫通して配置し、流入口から弁室内に急激に流入する水の勢いで水流受け部材が弾性部材に抗して変位してフロートを流出口側に変位させるものである。そのため、通孔を通してフロート受け内に流入する水によるフロート受け内の少しの水位上昇よりフロートが弁座に着座し閉弁する。そのため、水が流入口から弁室内に急激に流入してきても、漏水を生じることがない。   In the present invention, a water flow receiving member urged toward the inlet by an elastic member is disposed so as to penetrate the float receiver from below the float, and the water flow receiving member is elasticized by the force of water that suddenly flows into the valve chamber from the flow inlet. The float is displaced against the member to displace the float toward the outlet. Therefore, the float is seated on the valve seat and is closed when the water level in the float receiver slightly rises due to the water flowing into the float receiver through the through hole. Therefore, even if water suddenly flows into the valve chamber from the inlet, water leakage does not occur.

上記の技術的手段の具体例を示す実施例を説明する（図１参照）。本体１に蓋２をボルトで締結して内部に弁室３を有するケーシングを形成する。本体１の下部に流入口４を形成し、蓋２の上部に流出口５を形成する。蓋２に弁座６を間に挟んで取付部材７をネジで固定する。   An embodiment showing a specific example of the above technical means will be described (see FIG. 1). A lid 2 is fastened to the main body 1 with a bolt to form a casing having a valve chamber 3 therein. An inlet 4 is formed in the lower part of the main body 1, and an outlet 5 is formed in the upper part of the lid 2. The attachment member 7 is fixed with screws with the valve seat 6 interposed between the lid 2 and the valve seat 6.

本体１は弁室３の内壁に内側に突出した複数のリブ９を一体に有し、リブ９の内側に有底のほぼ円筒形状のフロート受け１０をスナップリングで固定する。フロート受け１０はその底部に内外を連通する小さな開口面積の通孔１１を有する。フロート受け１０内に球形のフロート１２を自由状態で配置する。フロート１２の下方に水流受け部材１３を配置する。水流受け部材１３はフロート１２に当接する大径部１４を上端に有しフロート受け１０を貫通して配置したフロート当接棒１５と、フロート当接棒１５の下部の雄ネジ部にナット１６で固定した水流受け板１７とからなる。フロート受け１０と水流受け板１７の間に水流受け部材１３を流入口４側に付勢する弾性部材としてのコイルバネ１８を配置する。   The main body 1 integrally has a plurality of ribs 9 protruding inwardly on the inner wall of the valve chamber 3, and a bottomed substantially cylindrical float receiver 10 is fixed to the inside of the ribs 9 with a snap ring. The float receiver 10 has a through hole 11 having a small opening area communicating with the inside and the outside at the bottom. A spherical float 12 is placed in a free state in the float receiver 10. A water flow receiving member 13 is disposed below the float 12. The water flow receiving member 13 has a large diameter portion 14 in contact with the float 12 at the upper end and a float contact rod 15 disposed through the float receiver 10, and a nut 16 on a male screw portion below the float contact rod 15. It consists of a fixed water flow receiving plate 17. A coil spring 18 as an elastic member that urges the water flow receiving member 13 toward the inflow port 4 is disposed between the float receiver 10 and the water flow receiving plate 17.

水流受け部材１３は流入口４から弁室３内に空気が流入するときや水が緩やかに流入するときはコイルバネ１８の付勢力により流入口４側に付勢されフロート当接棒１５の大径部１４の下面がフロート受け１０の底面の上面に当接しているが、水が急激に流入するときは水の勢いでコイルバネ１８に抗して流出口５側に変位し、フロート１２を流出口５側に変位させる。   The water flow receiving member 13 is urged toward the inlet 4 by the urging force of the coil spring 18 when air flows into the valve chamber 3 from the inlet 4 or when water gradually flows, and the large diameter of the float contact rod 15 is increased. Although the lower surface of the portion 14 is in contact with the upper surface of the bottom surface of the float receiver 10, when water suddenly flows in, the water 12 is displaced against the coil spring 18 by the momentum of the water, and the float 12 is displaced. Displace to 5 side.

上記実施例の排気弁の動作は下記の通りである。先ず配管に水を送り込むときには、水流受け部材１３はコイルバネ１８の付勢力により流入口４側に付勢されフロート当接棒１５の大径部１４がフロート受け１０の底面に当接している。フロート１２は弁座６から離座して降下しフロート当接棒１５の大径部１４に載った開弁状態である。これにより、弁室３内に流入してくる配管内の空気をリブ９の間の空間からフロート受け１０上端を通して及び通孔１１からフロート受け１０内を通して流出口５に排気する。   The operation of the exhaust valve of the above embodiment is as follows. First, when water is fed into the pipe, the water flow receiving member 13 is urged toward the inlet 4 by the urging force of the coil spring 18 so that the large diameter portion 14 of the float contact rod 15 is in contact with the bottom surface of the float receiver 10. The float 12 is separated from the valve seat 6 and is lowered to rest on the large diameter portion 14 of the float contact rod 15. Thereby, the air in the pipe flowing into the valve chamber 3 is exhausted from the space between the ribs 9 through the upper end of the float receiver 10 and through the through hole 11 into the outlet 5 to the outlet 5.

そして排気が終わって配管内の水が流入口４から弁室３内に緩やかに流入してくると、水流受け部材１３はコイルバネ１８の付勢力により流入口４側に付勢されフロート当接棒１５の大径部１４がフロート受け１０の底面に当接した状態を維持する。また、配管内の水が流入口４から弁室３内に急激に流入してくると、水流受け部材１３は水の勢いでコイルバネ１８に抗して流出口５側に変位してフロート１２を弁座６に近付ける。フロート１２はリブ９の間の空間からフロート受け１０上端を通して及び通孔１１を通してフロート受け１０内に流入する水によって浮上して弁座６に着座し閉弁する。これにより、水の漏出を防止する。配管系の圧力が低下して真空状態となったときにはフロート１２が弁座６から離座して降下しフロート当接棒１５の大径部１４に載った開弁状態となる。これにより、弁室３内に流入してくる外部空気をフロート受け１０上端からリブ９の間の空間を通して及びフロート受け１０内から通孔１１を通して流入口４から配管内に導入することにより真空状態を破壊する。   When the exhaust is finished and the water in the pipe gently flows into the valve chamber 3 from the inlet 4, the water receiving member 13 is biased toward the inlet 4 by the biasing force of the coil spring 18, and the float contact rod. The 15 large diameter portions 14 are kept in contact with the bottom surface of the float receiver 10. When the water in the pipe suddenly flows into the valve chamber 3 from the inlet 4, the water receiving member 13 is displaced toward the outlet 5 against the coil spring 18 by the momentum of the water, and the float 12 is moved. Approach the valve seat 6. The float 12 floats by the water flowing into the float receiver 10 from the space between the ribs 9 through the upper end of the float receiver 10 and through the through hole 11, and is seated on the valve seat 6 to be closed. This prevents leakage of water. When the pressure in the piping system is reduced to a vacuum state, the float 12 is separated from the valve seat 6 and descends to be in a valve-opened state on the large-diameter portion 14 of the float contact rod 15. Thus, the external air flowing into the valve chamber 3 is introduced into the pipe through the space between the rib receiver 9 from the upper end of the float receiver 10 and from the inlet 4 into the pipe through the through hole 11 from the float receiver 10. Destroy.

本発明の実施例の排気弁の断面図。Sectional drawing of the exhaust valve of the Example of this invention.

符号の説明Explanation of symbols

１ 本体
２ 蓋
３ 弁室
４ 流入口
５ 流出口
６ 弁座
９ リブ
１０ フロート受け
１１ 通孔
１２ フロート
１３ 水流受け部材
１８ コイルバネ
1 Body 2 Lid 3 Valve Chamber 4 Inlet 5 Outlet 6 Valve Seat 9 Rib 10 Float Receiver 11 Through-hole 12 Float 13 Water Flow Receiving Member 18 Coil Spring

Claims (1)

ケーシングで下部に流入口が開口し上部に流出口が開口した弁室を形成し、弁室と流出口の間に弁座を形成し、弁室内壁に内側に突出したリブを形成し、リブの内側に有底のほぼ円筒形状で底部に内外を連通する通孔を設けたフロート受けを配し、フロート受け内にフロートを自由状態で配したものにおいて、弾性部材で流入口側に付勢した水流受け部材をフロートの下方からフロート受けを貫通して配置し、流入口から弁室内に急激に流入する水の勢いで水流受け部材が弾性部材に抗して変位してフロートを流出口側に変位させることを特徴とする排気弁。
In the casing, a valve chamber is formed with an inlet opening at the bottom and an outlet opening at the top, a valve seat is formed between the valve chamber and the outlet, and a rib protruding inward is formed on the valve chamber wall. A float receiver with a bottomed, almost cylindrical shape with a through-hole communicating inside and outside is arranged at the bottom, and the float is placed in a free state inside the float receiver. The water receiving member is disposed through the float receiver from below the float, and the water receiving member is displaced against the elastic member by the momentum of water that suddenly flows into the valve chamber from the inlet, thereby moving the float to the outlet side. An exhaust valve characterized by being displaced by
JP2006006223A 2006-01-13 2006-01-13 Exhaust valve Pending JP2007187253A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2006006223A JP2007187253A (en) 2006-01-13 2006-01-13 Exhaust valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006006223A JP2007187253A (en) 2006-01-13 2006-01-13 Exhaust valve

Publications (1)

Publication Number Publication Date
JP2007187253A true JP2007187253A (en) 2007-07-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006006223A Pending JP2007187253A (en) 2006-01-13 2006-01-13 Exhaust valve

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Country Link
JP (1) JP2007187253A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009041723A (en) * 2007-08-10 2009-02-26 Tlv Co Ltd Exhaust valve
JP2009168086A (en) * 2008-01-15 2009-07-30 Tlv Co Ltd Exhaust valve
JP2009168085A (en) * 2008-01-15 2009-07-30 Tlv Co Ltd Exhaust valve
JP2009192010A (en) * 2008-02-15 2009-08-27 Tlv Co Ltd Exhaust valve
JP2010286102A (en) * 2009-06-15 2010-12-24 Tlv Co Ltd Air release valve
JP2013024273A (en) * 2011-07-19 2013-02-04 Tlv Co Ltd Exhaust valve
JP2013064446A (en) * 2011-09-16 2013-04-11 Tlv Co Ltd Exhaust valve

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS531622Y2 (en) * 1972-10-06 1978-01-18
JPS5432829A (en) * 1977-08-17 1979-03-10 Sadayoshi Yamazaki Air valve

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS531622Y2 (en) * 1972-10-06 1978-01-18
JPS5432829A (en) * 1977-08-17 1979-03-10 Sadayoshi Yamazaki Air valve

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009041723A (en) * 2007-08-10 2009-02-26 Tlv Co Ltd Exhaust valve
JP2009168086A (en) * 2008-01-15 2009-07-30 Tlv Co Ltd Exhaust valve
JP2009168085A (en) * 2008-01-15 2009-07-30 Tlv Co Ltd Exhaust valve
JP2009192010A (en) * 2008-02-15 2009-08-27 Tlv Co Ltd Exhaust valve
JP2010286102A (en) * 2009-06-15 2010-12-24 Tlv Co Ltd Air release valve
JP2013024273A (en) * 2011-07-19 2013-02-04 Tlv Co Ltd Exhaust valve
JP2013064446A (en) * 2011-09-16 2013-04-11 Tlv Co Ltd Exhaust valve

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