JPH1089535A - Temperature response valve - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a temperature response valve in which valve ports can be opened and closed in turn by small deforming force of a temperature sensing member, and the temperature of the opening and closing valve can be adjusted. SOLUTION: A valve casing is formed of an inlet member 2 having an inlet l, an outlet member 4 having an outlet 3,and valve ports 19, and an intervening member 5, and internally forms a valve chest 6. The intervening member 5 is intervened between a flange portion 7 of the inlet member 2 and a flange portion 8 of the outlet member 4, and mounted to the inlet member 2 and the outlet member 4 so that it can be operated to turn, by screwing a box nut 13 onto the outlet member 4. A bimetal 21 which is deformable in response to the temperature of fluid in the valve chest 6 is formed into the shape of a curved strip-like plate, and one end of the bimetal 21 is fixed to the intervening member 5 with a screw 22. Plural small-diameter valve ports 19 are formed to be faced the bimetal 21 from one end side to the other end side. The plural valve ports 19 are opened and closed in turn by the deformation of the bimetal 21. Further, the temperature of the opening and closing valve can be adjusted by operating the intervening member 5 to turn it.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【発明の属する技術分野】本発明は被制御流体で加熱冷
却され、その温度に応じて変形する感温部材により弁口
を開閉する温度応動弁に関する。本発明の温度応動弁は
所定温度以上あるいは以下の流体を系外に排出したり、
複数の流体を混合して所定温度の流体にする場合に用い
られ、特に、所定温度以下の復水を自動的に排出する温
調トラップとして用いる場合に好適なものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a temperature-responsive valve which is heated and cooled by a fluid to be controlled and which opens and closes a valve port by a temperature-sensitive member which deforms according to the temperature. The temperature responsive valve of the present invention discharges a fluid at or above a predetermined temperature to the outside of the system,
It is used when mixing a plurality of fluids into a fluid at a predetermined temperature, and is particularly suitable when used as a temperature control trap for automatically discharging condensate below a predetermined temperature.

【０００２】[0002]

【従来の技術】従来の温度応動弁としては、感温部材に
バイメタルや形状記憶合金を用い、感温部材を円板状や
短冊状あるいはコイル状等の形状に形成し、この感温部
材の変形により弁部材を駆動して単一の弁口を開閉する
ものがある。2. Description of the Related Art As a conventional temperature-responsive valve, a bimetal or a shape memory alloy is used for a temperature-sensitive member, and the temperature-sensitive member is formed in a disk shape, a strip shape, a coil shape, or the like. There is a type in which a single valve port is opened and closed by driving a valve member by deformation.

【０００３】[0003]

【発明が解決しようとする課題】上記従来の温度応動弁
においては、感温部材が単一の弁口に作用する被制御流
体の圧力に打勝って変形しなければならないため、変形
力の大きな感温部材が必要となる。そのため、大きな感
温部材を用いたり複数の感温部材を組合わせなければな
らなかった。In the above-mentioned conventional temperature-responsive valve, the temperature-sensitive member must be deformed by overcoming the pressure of the controlled fluid acting on a single valve port. A temperature-sensitive member is required. Therefore, it is necessary to use a large temperature-sensitive member or combine a plurality of temperature-sensitive members.

【０００４】また単一の弁口が一気に開閉されるため、
入口側あるいは出口側に流体の急激な流れが生じてウォ
―タ・ハンマを起こす危険があった。In addition, since a single valve port is opened and closed at a stretch,
There was a danger of water hammer due to rapid flow of fluid on the inlet or outlet side.

【０００５】本発明は従来技術の問題点に注目し、感温
部材の小さな変形力でもって弁口を漸次開閉できる温度
応動弁を提供することを技術的課題とする。加えて、本
発明は開閉弁温度を調節できる温度応動弁を提供するこ
とを技術的課題とする。[0005] The present invention focuses on the problems of the prior art, and it is an object of the present invention to provide a temperature-responsive valve that can gradually open and close a valve port with a small deformation force of a temperature-sensitive member. In addition, another object of the present invention is to provide a temperature responsive valve capable of adjusting the temperature of an on-off valve.

【０００６】[0006]

【課題を解決するための手段】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、弁ケ―シング
に入口と、入口が連通する弁室と、弁口を介して弁室に
連通する出口を形成し、弁室内の流体の温度に応じて変
形する感温部材を弁室内に配置し、感温部材の変形によ
り弁口を開閉するものにおいて、弁ケ―シングを入口を
有する入口部材と、弁口と出口を有する出口部材と、入
口部材と出口部材の間に介在する介在部材で形成し、短
冊状の平板を湾曲させた形状の感温部材をその一端を介
在部材に固定して弁室内に配置し、小口径の複数の弁口
を感温部材に対面して一端側から他端側に複数形成し、
感温部材の変形により小口径の複数の弁口を順次開閉す
ると共に、介在部材を入口部材と出口部材に対して回動
操作可能に取り付けて、介在部材の回動により開閉温度
を調節できるようにしたことを特徴とする温度応動弁に
ある。Means for Solving the Problems The technical means of the present invention which has been taken to solve the above technical problem is to provide a valve casing with an inlet, a valve chamber communicating with the inlet, and a valve port. A valve casing is provided in which an outlet communicating with the valve chamber is formed, and a temperature-sensitive member that deforms according to the temperature of the fluid in the valve chamber is disposed in the valve chamber, and the valve port is opened and closed by the deformation of the temperature-sensitive member. An inlet member having an inlet, an outlet member having a valve port and an outlet, and an intervening member interposed between the inlet member and the outlet member, a temperature-sensitive member having a shape obtained by bending a strip-shaped flat plate at one end. It is fixed to the intervening member and arranged in the valve chamber, and a plurality of small-diameter valve ports are formed from one end side to the other end side facing the temperature-sensitive member,
A plurality of small-diameter valve ports are sequentially opened / closed by deformation of the temperature-sensitive member, and an intervening member is rotatably attached to the inlet member and the outlet member, so that the opening / closing temperature can be adjusted by turning the intervening member. A temperature-responsive valve characterized in that:

【０００７】[0007]

【発明の実施の形態】本発明の感温部材は、短冊状の平
板を湾曲させた形状でその一端を介在部材に固定して弁
室内に配置されたものであるので、弁室内の流体の温度
に応じて湾曲度合が変化し、他端側ほど大きく変位して
拡がったり狭まったりする。これにより、小口径の複数
の弁口を感温部材の他端側から順次開け、感温部材の一
端側から順次閉じる。このように、本発明は小口径の複
数の弁口を順次開閉するものであるので、感温部材は小
さな変形力で開閉動作を行うことができ、開閉動作時に
入口側あるいは出口側に流体の急激な流れが生じること
もない。BEST MODE FOR CARRYING OUT THE INVENTION The temperature-sensitive member of the present invention is formed by bending a strip-shaped flat plate and having one end fixed to an intervening member and disposed in the valve chamber. The degree of curvature changes in accordance with the temperature, and the degree of bending changes and spreads or narrows toward the other end. Thus, the plurality of small-diameter valve ports are sequentially opened from the other end of the temperature-sensitive member, and sequentially closed from one end of the temperature-sensitive member. As described above, since the present invention opens and closes a plurality of small-diameter valve ports sequentially, the temperature-sensitive member can perform the opening / closing operation with a small deformation force. There is no sudden flow.

【０００８】また本発明の弁ケ―シングは、感温部材の
一端を固定した介在部材が小口径の複数の弁口を有する
出口部材に対して回動操作可能に取り付けられるので、
介在部材を回動操作すると、小口径の複数の弁口に対面
する感温部材の部位が一端側あるいは他端側へ移動す
る。これにより、弁口を開閉し始めるときの温度を調節
することが可能となる。In the valve case of the present invention, the intervening member to which one end of the temperature sensing member is fixed is rotatably attached to the outlet member having a plurality of small-diameter valve ports.
When the intervening member is rotated, the portion of the temperature sensing member facing the plurality of small-diameter valve ports moves to one end side or the other end side. This makes it possible to adjust the temperature at which the opening of the valve starts to open and close.

【０００９】[0009]

【実施例】本発明の具体的実施例を図１と図２を参照し
て説明する。図１は本発明の具体的実施例の温度応動弁
の断面図であり、図２は図１のＡ−Ａ断面図である。DESCRIPTION OF THE PREFERRED EMBODIMENTS A specific embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a sectional view of a temperature responsive valve according to a specific embodiment of the present invention, and FIG. 2 is a sectional view taken along line AA of FIG.

【００１０】入口１を有する入口部材２と出口３を有す
る出口部材４と介在部材５とで弁ケ―シングを形成し、
内部に弁室６を形成する。介在部材５は、入口部材２の
フランジ部分７と出口部材４のフランジ部分８の間に介
在し、入口部材２のフランジ部分７にすべり板９と座金
１０と皿ばね１１，１２を載せ、結合部材としての袋ナ
ット１３を出口部材４にねじ結合することにより、入口
部材２と出口部材４に対して回動操作可能に取り付け
る。入口部材２と介在部材５の間及び介在部材５と出口
部材４の間にはそれぞれ気密を保つためにＰＴＦＥ製の
ガスケット１４，１５を介在させる。介在部材５には回
動操作のためのハンドル１６を連結し、袋ナット１３に
開けた窓１７を通して突出させる。入口１と弁室６は流
入通路１８を介して連通し、弁室６と出口３は小口径の
複数の弁口１９から流出通路２０を介して連通する。弁
口１９は、弁室６内に突出する出口部材４上部に水平方
向に７個開けられ、全体として所望の排出流量が得られ
るものである。An inlet member 2 having an inlet 1, an outlet member 4 having an outlet 3, and an intervening member 5 form a valve casing,
A valve chamber 6 is formed inside. The intervening member 5 is interposed between the flange portion 7 of the inlet member 2 and the flange portion 8 of the outlet member 4. The sliding plate 9, the washer 10, and the disc springs 11 and 12 are mounted on the flange portion 7 of the inlet member 2 and joined. The cap nut 13 as a member is screw-connected to the outlet member 4 so as to be rotatably attached to the inlet member 2 and the outlet member 4. Gaskets 14 and 15 made of PTFE are interposed between the inlet member 2 and the intervening member 5 and between the intervening member 5 and the outlet member 4 to maintain airtightness. A handle 16 for rotating operation is connected to the intervening member 5, and is protruded through a window 17 opened in the cap nut 13. The inlet 1 communicates with the valve chamber 6 via an inflow passage 18, and the valve chamber 6 communicates with the outlet 3 via a plurality of small-diameter valve ports 19 via an outflow passage 20. Seven valve openings 19 are opened horizontally above the outlet member 4 protruding into the valve chamber 6 so that a desired discharge flow rate can be obtained as a whole.

【００１１】弁室６内に突出する出口部材４上部の外周
に、短冊状の平板を湾曲させた形状の感温部材としての
バイメタル２１を配置し、バイメタル２１の一端をビス
２２で介在部材５に固定する。バイメタル２１は、熱膨
脹係数の異なる２種類の金属または合金を一体に接着し
て短冊状にし、それを内側が低膨脹材料に、外側が高膨
脹材料になるように湾曲させたものであり、弁室６内の
流体の温度が低くなると拡がり高くなると狭まる。そし
て、対面して一端側から他端側に複数形成した小口径の
弁口１９を順次開閉する。A bimetal 21 as a temperature-sensitive member having a shape obtained by bending a strip-shaped flat plate is disposed on the outer periphery of the upper portion of the outlet member 4 protruding into the valve chamber 6. Fixed to. The bimetal 21 is formed by bonding two metals or alloys having different thermal expansion coefficients together to form a strip, and bending the strip into a low expansion material on the inside and a high expansion material on the outside. When the temperature of the fluid in the chamber 6 is low, it expands, and when it is high, it narrows. Then, the small-diameter valve ports 19 formed from one end to the other end facing each other are sequentially opened and closed.

【００１２】入口１から弁室６内に流入する流体の温度
が低下すると、バイメタル２１は図示の状態から拡が
り、対面する複数の弁口１９を他端側から順次開ける。
これにより、低温流体が流出通路２０から出口３へ排出
される。低温流体が排出されて流体の温度が所望値まで
上昇すると、バイメタル２１は狭まって図示の状態にな
り、対面する複数の弁口１９を一端側から順次閉じる。
これにより、高温流体の排出を防止する。When the temperature of the fluid flowing from the inlet 1 into the valve chamber 6 decreases, the bimetal 21 expands from the state shown in the drawing, and opens the plurality of facing valve ports 19 sequentially from the other end.
Thereby, the low-temperature fluid is discharged from the outflow passage 20 to the outlet 3. When the low-temperature fluid is discharged and the temperature of the fluid rises to a desired value, the bimetal 21 narrows to the state shown in the drawing, and the plurality of facing valve ports 19 are sequentially closed from one end side.
This prevents the discharge of the high-temperature fluid.

【００１３】開閉弁温度を変更する場合は、ハンドル１
６により介在部材４を回動操作する。図２において介在
部材５を時計周り方向に回動させると、排出流体の温度
を高く設定することができ、逆に介在部材５を反時計周
り方向に回動させることにより、排出流体の温度を低く
設定することができる。When changing the temperature of the on-off valve, the handle 1
6, the intervening member 4 is rotated. When the intervening member 5 is rotated clockwise in FIG. 2, the temperature of the discharged fluid can be set higher. Conversely, when the interposed member 5 is rotated counterclockwise, the temperature of the discharged fluid can be reduced. Can be set lower.

【００１４】[0014]

【発明の効果】上記の様に本発明によれば、感温部材の
小さな変形力で弁口を開閉できるので、感温部材を大き
くしたり複数の感温部材を組合わせる必要がない。その
ため、小型の温度応動弁を提供できる。また弁口を漸次
開閉するので、ウォ―タ・ハンマを生じることのない温
度応動弁を提供できる。また介在部材を回動操作するこ
とにより開閉弁温度の調節可能な温度応動弁を提供でき
る。As described above, according to the present invention, since the valve port can be opened and closed with a small deformation force of the temperature sensing member, there is no need to increase the size of the temperature sensing member or to combine a plurality of temperature sensing members. Therefore, a small temperature responsive valve can be provided. Further, since the valve port is gradually opened and closed, it is possible to provide a temperature responsive valve which does not cause water hammer. Further, it is possible to provide a temperature-responsive valve capable of adjusting the temperature of the on-off valve by rotating the intervening member.

【図面の簡単な説明】[Brief description of the drawings]

【図１】本発明の実施例の温度応動弁の断面図である。FIG. 1 is a sectional view of a temperature responsive valve according to an embodiment of the present invention.

【図２】図１のＡ−Ａ断面図である。FIG. 2 is a sectional view taken along line AA of FIG.

【符号の説明】[Explanation of symbols]

１ 入口 ２ 入口部材 ３ 出口 ４ 出口部材 ５ 介在部材 ６ 弁室 １３ 袋ナット １６ ハンドル １９ 弁口 ２１ バイメタル DESCRIPTION OF SYMBOLS 1 Inlet 2 Inlet member 3 Outlet 4 Outlet member 5 Interposed member 6 Valve room 13 Cap nut 16 Handle 19 Valve port 21 Bimetal

Claims (1)

【特許請求の範囲】[Claims] 【請求項１】 弁ケ―シングに入口と、入口が連通する
弁室と、弁口を介して弁室に連通する出口を形成し、弁
室内の流体の温度に応じて変形する感温部材を弁室内に
配置し、感温部材の変形により弁口を開閉するものにお
いて、弁ケ―シングを入口を有する入口部材と、弁口と
出口を有する出口部材と、入口部材と出口部材の間に介
在する介在部材で形成し、短冊状の平板を湾曲させた形
状の感温部材をその一端を介在部材に固定して弁室内に
配置し、小口径の複数の弁口を感温部材に対面して一端
側から他端側に複数形成し、感温部材の変形により小口
径の複数の弁口を順次開閉すると共に、介在部材を入口
部材と出口部材に対して回動操作可能に取り付けて、介
在部材の回動により開閉温度を調節できるようにしたこ
とを特徴とする温度応動弁。1. A temperature-sensitive member that forms an inlet with a valve casing, a valve chamber that communicates with the inlet, and an outlet that communicates with the valve chamber via the valve port, and is deformed in accordance with the temperature of the fluid in the valve chamber. Is disposed in the valve chamber, and the valve opening is opened and closed by deformation of the temperature-sensitive member, wherein the valve casing is provided between the inlet member having the inlet, the outlet member having the valve port and the outlet, and the inlet member and the outlet member. A temperature-sensitive member in the form of a strip-shaped flat plate curved with one end fixed to the intervening member is arranged in the valve chamber, and a plurality of small-diameter valve ports are used as the temperature-sensitive member. A plurality of facing ports are formed from one end side to the other end side, and a plurality of small-diameter valve ports are sequentially opened and closed by deformation of the temperature-sensitive member, and the intervening member is attached to the inlet member and the outlet member so as to be pivotable. The opening and closing temperature can be adjusted by rotating the intervening member. Response valve.