JPH07167314A - Fluid controller having heat resistance and durability - Google Patents

Fluid controller having heat resistance and durability

Info

Publication number
JPH07167314A
JPH07167314A JP5344055A JP34405593A JPH07167314A JP H07167314 A JPH07167314 A JP H07167314A JP 5344055 A JP5344055 A JP 5344055A JP 34405593 A JP34405593 A JP 34405593A JP H07167314 A JPH07167314 A JP H07167314A
Authority
JP
Japan
Prior art keywords
diaphragm
compressor
fluid controller
resistant resin
heat resistant
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
Application number
JP5344055A
Other languages
Japanese (ja)
Inventor
Hisatoshi Akamoto
久敏 赤本
Junji Sato
純次 佐藤
Kazuhiro Yoshikawa
和博 吉川
Hisayoshi Mese
央欣 目瀬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to JP5344055A priority Critical patent/JPH07167314A/en
Publication of JPH07167314A publication Critical patent/JPH07167314A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K25/00Details relating to contact between valve members and seats
    • F16K25/04Arrangements for preventing erosion, not otherwise provided for
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K25/00Details relating to contact between valve members and seats
    • F16K25/005Particular materials for seats or closure elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K7/00Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
    • F16K7/12Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm
    • F16K7/14Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat
    • F16K7/16Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat the diaphragm being mechanically actuated, e.g. by screw-spindle or cam

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanically-Actuated Valves (AREA)

Abstract

PURPOSE:To reduce abrasion and damage to be generated on a diaphragm through repeated opening/closing operations for a long period by performing roughening treatment on a portion which is abutted against the diaphragm of a compressor, and coating a surface with heat resistant resin. CONSTITUTION:Roughening treatment is performed on a portion which is abutted against a diaphragm 3 of a compressor 11. The surface is coated with a heat resistant resin 14. The material of the heat resistant resin 14 is fluorine resin, silicon resin or the like. In order to close flow passages 7, 7, a handle 5 is rotated. By the rotation, a stem 12 and a compressor 11 are lowered. The compressor 11, being lowered, pressurizes a rear surface of the diaphragm 3 while sliding thereon. The diaphragm 3, is pressurized by the compressor 11, to the side of a seal seat 8 of a valve box 2 for closing the flow passages 7, 7. In order to open the flow passages 7, 7, the handle 5 is rotated in a direction opposite to the case of closing.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】この発明は耐熱耐久性の流体制御
器に係り、その目的は長期間に渡って繰り返し開閉作業
を行ってもダイアフラムに生じる磨耗や損傷が極めて小
さく、永年に渡って安定した制御を行うことのできる耐
熱耐久性の流体制御器の提供にある。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat-resistant and durable fluid controller, the purpose of which is to keep the diaphragm stable for many years even if it is repeatedly opened and closed over a long period of time. Another object of the present invention is to provide a fluid controller with heat resistance and durability that can perform the above-mentioned control.

【0002】[0002]

【従来の技術】従来の流体制御器としては、例えば図3
に示すように、流路(B)(B)を有する弁箱(C)
と、流路(B)(B)を開閉するダイアフラム(D)
と、このダイアフラムの周縁部(K)(K)を挟持する
挟持部(L)(L)と、ダイアフラム(D)の背面側に
設けられた操作機構(E)と、この操作機構(E)を上
下動させるハンドル部(F)とからなり、前記操作機構
(E)は少なくとも上部に嵌合部(G)を有するコンプ
レッサ(H)と、このコンプレッサ(H)の嵌合部
(G)に一端が嵌合され他端がハンドル部(F)に取設
されたステム(I)とからなるものであった。また、前
記コンプレッサ(H)はアルミニウム、ステンレス鋼、
真鍮、鉄等から形成されている。このような構成からな
る流体制御器(A)においては、ハンドル部(F)を回
動させると、このハンドル部(F)と連結されたステム
(I)が上下動し、このステム(I)の上下動によりダ
イアフラム(D)が弁箱(C)のシール座(J)へ圧接
又は離間して流路(B)(B)を開放又は閉鎖する。
2. Description of the Related Art As a conventional fluid controller, for example, FIG.
Valve box (C) having flow paths (B) and (B) as shown in FIG.
And a diaphragm (D) that opens and closes the flow paths (B) and (B)
A holding portion (L) (L) for holding the peripheral edge portion (K) (K) of the diaphragm, an operating mechanism (E) provided on the back side of the diaphragm (D), and the operating mechanism (E). The operating mechanism (E) comprises a compressor (H) having a fitting portion (G) at least in the upper part, and a fitting portion (G) of the compressor (H). One end is fitted and the other end is composed of the stem (I) attached to the handle portion (F). The compressor (H) is made of aluminum, stainless steel,
It is made of brass, iron, etc. In the fluid controller (A) having such a configuration, when the handle portion (F) is rotated, the stem (I) connected to the handle portion (F) moves up and down, and the stem (I) is moved. The diaphragm (D) is brought into pressure contact with or separated from the seal seat (J) of the valve box (C) by the up-and-down movement of (1) to open or close the flow paths (B) and (B).

【0003】[0003]

【発明が解決しようとする課題】ところが、この流体制
御器ではダイアフラムと、アルミニウム、ステンレス
鋼、真鍮、鉄等からなるコンプレッサとを直接当接させ
ているために、ダイアフラムの疲労が著しくなり、永年
に渡って安定した制御を行うことができないといった課
題があった。つまり、ステムの上下動に伴ってコンプレ
ッサが上下動し、このコンプレッサがダイアフラムの裏
面を滑りながら該ダイアフラムを押圧して流路の開閉が
行われるが、流路内に熱い流体を流すと、この流体の熱
によってコンプレッサが熱せらる。このコンプレッサが
熱せられると該コンプレッサとダイアフラムとが癒着
し、このことによってコンプレッサがダイアフラムの裏
面を滑りにくく、このダイアフラムの磨耗を生じさせ易
い状態にあった。従って、このような流体制御器では、
コンプレッサがダイアフラムの裏面を滑りにくい状態で
繰り返して流路を開閉すると、ダイアフラムが徐々に磨
耗してしまい、長期間に渡って安定した制御を行うこと
ができなかった。
However, in this fluid controller, since the diaphragm and the compressor made of aluminum, stainless steel, brass, iron or the like are directly brought into contact with each other, the fatigue of the diaphragm becomes remarkable, and it has been a long time. There was a problem that stable control could not be performed over the entire period. That is, as the stem moves up and down, the compressor moves up and down, and this compressor presses the diaphragm while sliding on the back surface of the diaphragm to open and close the flow path. The heat of the fluid heats the compressor. When the compressor is heated, the compressor and the diaphragm adhere to each other, which makes it difficult for the compressor to slip on the back surface of the diaphragm, and the diaphragm is easily worn. Therefore, in such a fluid controller,
When the compressor repeatedly opens and closes the flow path in a state where the back surface of the diaphragm is difficult to slip, the diaphragm gradually wears, and stable control cannot be performed for a long period of time.

【0004】そこでこの発明者は上記実情に鑑み、長期
間に渡って繰り返し開閉作業を行ってもダイアフラムに
生じる磨耗や損傷が極めて小さく、永年に渡って安定し
た制御を行うことのできる耐熱耐久性の流体制御器につ
いて鋭意研究を続けた。
In view of the above situation, the inventor of the present invention has a very small wear and damage to the diaphragm even after repeated opening and closing operations over a long period of time, and has a heat resistance and durability that enables stable control over many years. He continued his earnest research on the fluid controller.

【0005】[0005]

【課題を解決するための手段】すなわちこの発明は、流
路を有する弁箱と流路を開閉するダイアフラムとこのダ
イアフラムの周縁部を挟持する挟持部とダイアフラムの
背面側に設けられた操作機構とこの操作機構を上下動さ
せるハンドル部とからなる流体制御器であって、操作機
構は少なくとも上部に嵌合部を有するコンプレッサとこ
のコンプレッサの嵌合部に一端が嵌合され他端がハンド
ル部に取設されたステムとからなり、コンプレッサの少
なくとも前記ダイアフラムに当接する部分を粗面化処理
を施しこの表面に耐熱性樹脂をコーティングしてなるこ
とを特徴とする耐熱耐久性の流体制御器に係る。
That is, the present invention provides a valve box having a flow path, a diaphragm for opening and closing the flow path, a holding portion for holding the peripheral edge portion of the diaphragm, and an operating mechanism provided on the back side of the diaphragm. A fluid controller comprising a handle portion for moving the operating mechanism up and down, wherein the operating mechanism has a compressor having a fitting portion at least in the upper part and one end fitted to the fitting portion of the compressor and the other end serving as the handle portion. A heat resistant and durable fluid controller comprising a mounted stem, wherein at least a portion of the compressor that abuts the diaphragm is roughened and a heat resistant resin is coated on the surface. .

【0006】[0006]

【作用】コンプレッサの少なくともダイアフラムに当接
する部分を粗面化処理を施しこの表面に耐熱性樹脂をコ
ーティングする。従って、流路内に熱い流体を流した場
合であっても従来のようにコンプレッサとダイアフラム
とが癒着することがなく、流路の開閉時には滑らかにコ
ンプレッサがダイアフラムの裏面を摺動するため、繰り
返し行われる流路の開閉操作によるダイアフラムの磨耗
や損傷が極めて少なく、長期間に渡って安定した流体の
制御を行うことができる。しかも、コンプレッサの少な
くともダイアフラムに当接する表面に耐熱性樹脂をコー
ティングするようにしたので、このコンプレッサが腐食
することがない。
Function: At least a portion of the compressor that is in contact with the diaphragm is roughened, and the surface is coated with a heat resistant resin. Therefore, even if a hot fluid flows in the flow path, the compressor and the diaphragm do not adhere to each other as in the conventional case, and the compressor slides smoothly on the back surface of the diaphragm when the flow path is opened and closed. The wear and damage of the diaphragm due to the opening / closing operation of the flow path performed is extremely small, and stable fluid control can be performed for a long period of time. Moreover, since at least the surface of the compressor that contacts the diaphragm is coated with the heat-resistant resin, the compressor will not be corroded.

【0007】[0007]

【実施例】以下、この発明に係る耐熱耐久性の流体制御
器の実施例について、図面に基づいて説明する。図1は
この発明の一実施例に係る耐熱耐久性の流体制御器を示
す概略説明図、図2は図1示の耐熱耐久性の流体制御器
の部分拡大説明図である。
DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a heat resistant and durable fluid controller according to the present invention will be described below with reference to the drawings. FIG. 1 is a schematic explanatory view showing a heat resistant and durable fluid controller according to an embodiment of the present invention, and FIG. 2 is a partially enlarged explanatory view of the heat resistant and durable fluid controller shown in FIG.

【0008】(1)は流体制御器であって、この流体制
御器(1)は図1に示すように、弁箱(2)と、ダイア
フラム(3)と、挟持部(6)(6)と、操作機構
(4)と、この操作機構(4)を上下動させるハンドル
部(5)とから構成されている。弁箱(2)には流体が
流れる流路(7)(7)と、この流路(7)(7)を積
留めるシール座(8)が設けられている。ダイアフラム
(3)の周縁部は挟持部(8)(8)に挟持されて固定
されている。尚、図1乃至図2に示すように、ダイアフ
ラム(3)の周縁部を薄肉部(10)(10)とし、挟
持部(8)(8)の周側部に突設部(9)(9)を形成
して、この突設部(9)(9)でダイアフラム(3)の
薄肉部(10)(10)を挟持して固定することが好ま
しい。
Reference numeral (1) is a fluid controller. As shown in FIG. 1, the fluid controller (1) includes a valve box (2), a diaphragm (3), and holding portions (6) and (6). And an operating mechanism (4) and a handle portion (5) for moving the operating mechanism (4) up and down. The valve box (2) is provided with flow passages (7) and (7) through which a fluid flows, and a seal seat (8) for storing the flow passages (7) and (7). The peripheral portion of the diaphragm (3) is sandwiched and fixed by the sandwiching portions (8) and (8). As shown in FIGS. 1 and 2, the peripheral portion of the diaphragm (3) is a thin portion (10) (10), and the projecting portion (9) (on the peripheral side of the sandwiching portion (8) (8)). It is preferable to form 9) and sandwich and fix the thin-walled portions (10) and (10) of the diaphragm (3) by the protruding portions (9) and (9).

【0009】このダイアフラム(3)の素材としては特
に限定されず、耐熱、耐寒性や屈曲性、腐食性などに優
れた従来より公知の天然ゴム、ニトリルゴム、スチレン
ゴム、ブタジエン・イソブチレン合成ゴム、ポリクロロ
プレンゴム、ブチルゴム、フッ素ゴム、シリコンゴム、
ポリウレタンゴムなどのゴム製又はポリ四弗化エチレン
(PTFE)等の合成樹脂製のものが好適に使用され
る。尚、このダイアフラム(3)内に該ダイアフラム
(3)を補強するための線材(図示せず)を埋設しても
良い。
The material of the diaphragm (3) is not particularly limited, and conventionally known natural rubber, nitrile rubber, styrene rubber, butadiene / isobutylene synthetic rubber, which are excellent in heat resistance, cold resistance, flexibility and corrosion resistance, Polychloroprene rubber, butyl rubber, fluoro rubber, silicone rubber,
A rubber such as polyurethane rubber or a synthetic resin such as polytetrafluoroethylene (PTFE) is preferably used. A wire rod (not shown) for reinforcing the diaphragm (3) may be embedded in the diaphragm (3).

【0010】操作機構(4)は図1乃至図2に示すよう
に、少なくともコンプレッサ(11)と、ステム(1
2)とから構成されている。コンプレッサ(11)はア
ルミニウム、ステンレス鋼、真鍮、鉄等から形成されて
いる。このコンプレッサ(11)は前記ダイアフラム
(3)の背面上に設けられており、このコンプレッサ
(11)の上部にはステム(12)を嵌合する嵌合部
(13)が設けられている。
As shown in FIGS. 1 and 2, the operating mechanism (4) includes at least a compressor (11) and a stem (1).
2) and. The compressor (11) is made of aluminum, stainless steel, brass, iron or the like. The compressor (11) is provided on the back surface of the diaphragm (3), and a fitting portion (13) for fitting the stem (12) is provided on the upper portion of the compressor (11).

【0011】また、このコンプレッサ(11)の少なく
とも前記ダイアフラム(3)に当接する部分は、粗面化
処理を施されている。この粗面化処理を施された表面に
は、耐熱性樹脂(14)がコーティングされている。こ
の耐熱性樹脂(14)の素材としては、例えばフッ素系
樹脂、シリコン系樹脂等が挙げられ、好ましくは四フッ
化エチレン樹脂をコーティングすると良い。尚、本実施
例にあってはコンプレッサ(11)のダイアフラム
(3)に当接する部分を粗面化処理し、この粗面化処理
を施された表面に耐熱性樹脂(14)をコーティングし
ている(図1乃至図2参照)が、コンプレッサ(11)
の全面を粗面化処理し、この粗面化処理を施されたコン
プレッサ(11)全面に耐熱性樹脂(14)をコーティ
ングしても良い。ステム(12)の下部には前記コンプ
レッサ(11)の嵌合部(13)に嵌合する嵌合部材
(15)が設けられており、ステム(12)の上部はハ
ンドル部(5)に取設されている。
Further, at least a portion of the compressor (11) which is in contact with the diaphragm (3) is roughened. The surface subjected to this roughening treatment is coated with a heat resistant resin (14). Examples of the material of the heat resistant resin (14) include fluorine resin and silicon resin, and it is preferable to coat with tetrafluoroethylene resin. In the present embodiment, the portion of the compressor (11) that is in contact with the diaphragm (3) is roughened, and the roughened surface is coated with a heat resistant resin (14). (See FIGS. 1 and 2), but the compressor (11)
The entire surface of the compressor may be roughened, and the heat-resistant resin (14) may be coated on the entire surface of the compressor (11) that has been roughened. A fitting member (15) that fits into the fitting portion (13) of the compressor (11) is provided on the lower portion of the stem (12), and the upper portion of the stem (12) is mounted on the handle portion (5). It is set up.

【0012】このように構成されてなる流体制御器
(1)の使用状態を図1乃至図2に基づいて説明する。
流路(7)(7)を閉鎖する場合には、ハンドル部
(5)を回転させる。すると、このハンドル部(5)の
回転によってステム(12)が下降するとともに、コン
プレッサ(11)が下降する。コンプレッサ(11)が
下降すると、該コンプレッサ(11)がダイアフラム
(3)の裏面を滑りながら該ダイアフラム(3)を押圧
する。このコンプレッサ(11)によってダイアフラム
(3)が押圧されると、弁箱(2)のシール座(8)へ
ダイアフラム(3)が押圧されて図1乃至図2に示すよ
うに流路(7)(7)が閉鎖される。
The usage state of the fluid controller (1) thus constructed will be described with reference to FIGS. 1 and 2.
When closing the flow paths (7) and (7), the handle portion (5) is rotated. Then, the rotation of the handle portion (5) lowers the stem (12) and the compressor (11). When the compressor (11) descends, the compressor (11) slides on the back surface of the diaphragm (3) and presses the diaphragm (3). When the diaphragm (3) is pressed by the compressor (11), the diaphragm (3) is pressed against the seal seat (8) of the valve box (2) and the flow path (7) is shown in FIGS. 1 and 2. (7) is closed.

【0013】流路(7)(7)を開放する場合には、前
記流路(7)(7)の閉鎖作業と反対方向にハンドル部
(5)を回転させる。すると、このハンドル部(5)の
回転によってステム(12)が上昇するとともに、コン
プレッサ(11)が上昇する。コンプレッサ(11)が
上昇すると、該コンプレッサ(11)がダイアフラム
(3)の裏面を滑りながら該ダイアフラム(3)を引き
上げる。このコンプレッサ(11)によってダイアフラ
ム(3)が引き上げられると、弁箱(2)のシール座
(8)へ押圧されていたダイアフラム(3)が離間して
流路(7)(7)が開放される。
When opening the flow paths (7) and (7), the handle portion (5) is rotated in the direction opposite to the closing operation of the flow paths (7) and (7). Then, the rotation of the handle portion (5) raises the stem (12) and the compressor (11). When the compressor (11) rises, the compressor (11) slides on the back surface of the diaphragm (3) and pulls up the diaphragm (3). When the diaphragm (3) is pulled up by the compressor (11), the diaphragm (3) pressed against the seal seat (8) of the valve box (2) is separated and the flow paths (7) and (7) are opened. It

【0014】このように、コンプレッサ(11)の少な
くともダイアフラム(3)に当接する部分を粗面化処理
を施しこの表面に耐熱性樹脂(14)をコーティングす
るようにしたので、流路(7)(7)内に熱い流体を流
した場合であっても従来のようにコンプレッサ(11)
とダイアフラム(3)とが癒着することがなく、流路
(7)(7)の開閉時には滑らかにコンプレッサ(1
1)がダイアフラム(3)の裏面を摺動するため、繰り
返し行われる流路(7)(7)の開閉操作によるダイア
フラム(3)の磨耗や損傷が極めて少なく、長期間に渡
って安定した流体の制御を行うことができる。しかも、
コンプレッサ(11)の少なくともダイアフラム(3)
に当接する表面に耐熱性樹脂(14)をコーティングす
るようにしたので、このコンプレッサ(11)が腐食す
ることがない。
As described above, since at least the portion of the compressor (11) that is in contact with the diaphragm (3) is roughened and the surface is coated with the heat resistant resin (14), the flow path (7) is formed. Even when hot fluid is flown in (7), compressor (11) is used as in the past.
And the diaphragm (3) do not adhere to each other, and the compressor (1
Since 1) slides on the back surface of the diaphragm (3), wear and damage to the diaphragm (3) due to repeated opening and closing operations of the flow paths (7) and (7) are extremely small, and a stable fluid for a long period of time. Can be controlled. Moreover,
At least the diaphragm (3) of the compressor (11)
Since the heat-resistant resin (14) is coated on the surface in contact with, the compressor (11) will not be corroded.

【0015】尚、本実施例にあっては、操作機構(4)
を弁箱(2)と、ダイアフラム(3)と、挟持部(6)
(6)と、操作機構(4)と、ハンドル部(5)とから
構成しているが、本発明はこの構成に限られるものでは
ない。つまり、コンプレッサ(11)の少なくとも前記
ダイアフラム(3)に当接する部分を粗面化処理し、こ
の粗面化処理を施された表面に耐熱性樹脂(14)をコ
ーティングしていれば、本実施例以外の操作機構であっ
ても良い。
In this embodiment, the operating mechanism (4)
Valve box (2), diaphragm (3), and clamping part (6)
Although it is composed of (6), the operating mechanism (4) and the handle portion (5), the present invention is not limited to this structure. In other words, if at least the portion of the compressor (11) that comes into contact with the diaphragm (3) is roughened and the surface subjected to this roughening treatment is coated with a heat resistant resin (14), An operation mechanism other than the example may be used.

【0016】[0016]

【発明の効果】この発明は、以上説明したように、流路
を有する弁箱と流路を開閉するダイアフラムとこのダイ
アフラムの周縁部を挟持する挟持部とダイアフラムの背
面側に設けられた操作機構とこの操作機構を上下動させ
るハンドル部とからなる流体制御器であって、操作機構
は少なくとも上部に嵌合部を有するコンプレッサとこの
コンプレッサの嵌合部に一端が嵌合され他端がハンドル
部に取設されたステムとからなり、コンプレッサの少な
くとも前記ダイアフラムに当接する部分を粗面化処理を
施しこの表面に耐熱性樹脂をコーティングしてなること
を特徴とする耐熱耐久性の流体制御器であるから、以下
の効果を奏する。
As described above, according to the present invention, the valve box having the flow passage, the diaphragm for opening and closing the flow passage, the holding portion for holding the peripheral portion of the diaphragm, and the operation mechanism provided on the back side of the diaphragm. And a handle portion for moving the operating mechanism up and down, wherein the operating mechanism is a compressor having at least a fitting portion on the upper side, and one end is fitted to the fitting portion of the compressor and the other end is the handle portion. A heat-resistant and durable fluid controller comprising a stem attached to the compressor, and at least a portion of the compressor that abuts the diaphragm is roughened and a heat-resistant resin is coated on the surface. Therefore, the following effects are achieved.

【0017】即ち、コンプレッサの少なくともダイアフ
ラムに当接する部分を粗面化処理を施しこの表面に耐熱
性樹脂をコーティングするようにしたので、流路内に熱
い流体を流した場合であっても従来のようにコンプレッ
サとダイアフラムとが癒着することがなく、流路の開閉
時には滑らかにコンプレッサがダイアフラムの裏面を摺
動するため、繰り返し行われる流路の開閉操作によるダ
イアフラムの磨耗や損傷が極めて少なく、長期間に渡っ
て安定した流体の制御を行うことができる効果を奏す
る。しかも、コンプレッサの少なくともダイアフラムに
当接する表面に耐熱性樹脂をコーティングするようにし
たので、このコンプレッサが腐食することがない。
That is, since at least the portion of the compressor that is in contact with the diaphragm is roughened and the surface is coated with the heat-resistant resin, even if a hot fluid is made to flow in the passage, the conventional method is used. Since the compressor and the diaphragm do not adhere to each other and the compressor slides smoothly on the back surface of the diaphragm when opening and closing the flow path, wear and damage to the diaphragm due to repeated opening and closing of the flow path is extremely small, and The effect that stable fluid control can be performed over a period is exhibited. Moreover, since at least the surface of the compressor that contacts the diaphragm is coated with the heat-resistant resin, the compressor will not be corroded.

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

【図1】この発明の一実施例に係る耐熱耐久性の流体制
御器を示す概略説明図である。
FIG. 1 is a schematic explanatory view showing a heat resistant and durable fluid controller according to an embodiment of the present invention.

【図2】図1示の耐熱耐久性の流体制御器の部分拡大説
明図である。
FIG. 2 is a partially enlarged explanatory view of the heat resistant and durable fluid controller shown in FIG.

【図3】従来の流体制御器を示す概略構成図である。FIG. 3 is a schematic configuration diagram showing a conventional fluid controller.

【符号の説明】[Explanation of symbols]

1 流体制御器 2 弁箱 3 ダイアフラム 4 操作機構 5 ハンドル部 6 挟持部 7 流路 11 コンプレッサ 12 ステム 13 嵌合部 14 耐熱性樹脂 DESCRIPTION OF SYMBOLS 1 Fluid controller 2 Valve box 3 Diaphragm 4 Operation mechanism 5 Handle part 6 Clamping part 7 Flow path 11 Compressor 12 Stem 13 Fitting part 14 Heat resistant resin

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 流路を有する弁箱と流路を開閉するダイ
アフラムとこのダイアフラムの周縁部を挟持する挟持部
とダイアフラムの背面側に設けられた操作機構とこの操
作機構を上下動させるハンドル部とからなる流体制御器
であって、操作機構は少なくとも上部に嵌合部を有する
コンプレッサとこのコンプレッサの嵌合部に一端が嵌合
され他端がハンドル部に取設されたステムとからなり、
コンプレッサの少なくとも前記ダイアフラムに当接する
部分を粗面化処理を施しこの表面に耐熱性樹脂をコーテ
ィングしてなることを特徴とする耐熱耐久性の流体制御
器。
1. A valve box having a flow passage, a diaphragm for opening and closing the flow passage, a holding portion for holding a peripheral portion of the diaphragm, an operating mechanism provided on the back side of the diaphragm, and a handle portion for vertically moving the operating mechanism. In the fluid controller, the operating mechanism is composed of a compressor having at least a fitting portion at the upper portion and a stem having one end fitted to the fitting portion of the compressor and the other end attached to the handle portion.
A heat-resistant and durable fluid controller, characterized in that at least a portion of the compressor that is in contact with the diaphragm is roughened and a heat-resistant resin is coated on the surface.
JP5344055A 1993-12-16 1993-12-16 Fluid controller having heat resistance and durability Pending JPH07167314A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5344055A JPH07167314A (en) 1993-12-16 1993-12-16 Fluid controller having heat resistance and durability

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5344055A JPH07167314A (en) 1993-12-16 1993-12-16 Fluid controller having heat resistance and durability

Publications (1)

Publication Number Publication Date
JPH07167314A true JPH07167314A (en) 1995-07-04

Family

ID=18366310

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5344055A Pending JPH07167314A (en) 1993-12-16 1993-12-16 Fluid controller having heat resistance and durability

Country Status (1)

Country Link
JP (1) JPH07167314A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007018172A1 (en) * 2005-08-10 2007-02-15 Waterworks Technology Development Organization Co., Ltd. Gate valve device
WO2019151500A1 (en) * 2018-02-01 2019-08-08 積水化学工業株式会社 Diaphragm valve

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007018172A1 (en) * 2005-08-10 2007-02-15 Waterworks Technology Development Organization Co., Ltd. Gate valve device
JP2007046701A (en) * 2005-08-10 2007-02-22 Waterworks Technology Development Organization Co Ltd Sluice valve device
US7819384B2 (en) 2005-08-10 2010-10-26 Waterworks Technology Development Organization Gate valve device
JP4673159B2 (en) * 2005-08-10 2011-04-20 株式会社水道技術開発機構 Valve device for partition
WO2019151500A1 (en) * 2018-02-01 2019-08-08 積水化学工業株式会社 Diaphragm valve
CN111656067A (en) * 2018-02-01 2020-09-11 积水化学工业株式会社 Diaphragm valve

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