JPH0523905Y2 - - Google Patents
Info
- Publication number
- JPH0523905Y2 JPH0523905Y2 JP1985096673U JP9667385U JPH0523905Y2 JP H0523905 Y2 JPH0523905 Y2 JP H0523905Y2 JP 1985096673 U JP1985096673 U JP 1985096673U JP 9667385 U JP9667385 U JP 9667385U JP H0523905 Y2 JPH0523905 Y2 JP H0523905Y2
- Authority
- JP
- Japan
- Prior art keywords
- negative pressure
- valve
- space
- hole
- atmospheric pressure
- 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.)
- Expired - Lifetime
Links
- 238000005192 partition Methods 0.000 claims description 16
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 244000145845 chattering Species 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 239000011796 hollow space material Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
Landscapes
- Safety Valves (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案はバルブ装置に係り、更に詳しくは自動
調圧機能を備えたバルブ装置の改良に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a valve device, and more particularly, to an improvement of a valve device having an automatic pressure regulating function.
従来から自動調圧機能を備えたバルブ装置とし
て実開昭53−11724号公報に記載された減圧弁が
知られている。
2. Description of the Related Art A pressure reducing valve described in Japanese Utility Model Application Publication No. 11724/1983 has been known as a valve device having an automatic pressure regulating function.
しかしながら上記減圧弁は給湯機に接続される
二次側給水管内の正圧を調整するものである。し
たがつてこの減圧弁では負圧を調整することがで
きない問題がある。
However, the pressure reducing valve described above is for adjusting the positive pressure within the secondary water supply pipe connected to the water heater. Therefore, there is a problem in that this pressure reducing valve cannot adjust the negative pressure.
本考案は以上の点に鑑み、負圧を対象とする自
動調圧機能を備えたバルブ装置を提供することを
目的とし、併せて作動時にチヤタリング現象が発
生しにくいバルブ装置を提供することを目的とす
る。 In view of the above points, the purpose of the present invention is to provide a valve device with an automatic pressure regulation function for negative pressure, and also to provide a valve device that is less likely to cause chattering during operation. shall be.
上記目的を達成するため、本考案のバルブ装置
は、大気圧側空間と負圧側空間とを仕切るととも
に前記両空間を互いに連通させるように弁孔を設
けた仕切部材に取り付けられるバルブ装置であつ
て、前記仕切部材に負圧側空間側から取り付けら
れ、内部空間を前記弁孔を介して前記大気圧側空
間と連通させたケースと、前記内部空間に架設さ
れ、その反弁孔側に大気圧室を画成したダイアフ
ラムと、前記ダイアフラムに取り付けられ、弁孔
側の端部を前記弁孔を介して前記大気圧側空間に
突出させ、前記大気圧側空間と前記大気圧室とを
連通させる中空部を設け、前記端部に前記仕切部
材の弁孔周縁部に対して大気圧側空間側から接離
する鍔部を設けた弁体と、前記内部空間における
前記ダイアフラムの弁孔側に架設され、前記弁体
を移動自在に挿通する挿通孔を設け、前記ダイア
フラムの弁孔側の空間を弁孔側の流通空間と反弁
孔側の負圧室とに仕切つたプレートと、前記プレ
ートと前記ダイアフラムの間に介装され、前記弁
体を閉弁方向に弾性付勢するスプリングと、前記
ケースに設けられ、前記流通空間と前記負圧側空
間とを連通させる流通孔と、前記ケースに設けら
れ、前記負圧室と前記負圧側空間とを連通させる
連通孔と、を有するものである。
In order to achieve the above object, the valve device of the present invention is a valve device that is attached to a partition member provided with a valve hole so as to partition an atmospheric pressure side space and a negative pressure side space, and to make the two spaces communicate with each other. , a case that is attached to the partition member from the negative pressure side space and has an internal space communicating with the atmospheric pressure side space through the valve hole; and an atmospheric pressure chamber that is installed in the internal space and is located on the opposite side of the valve hole. a diaphragm defining a diaphragm; and a hollow space attached to the diaphragm, whose end on the valve hole side projects into the atmospheric pressure side space through the valve hole, and communicates the atmospheric pressure side space with the atmospheric pressure chamber. a valve body provided with a flange portion at the end portion that makes contact with and separate from the peripheral edge of the valve hole of the partition member from the atmospheric pressure side space side; , a plate having an insertion hole through which the valve body is movably inserted and partitioning a space on the valve hole side of the diaphragm into a circulation space on the valve hole side and a negative pressure chamber on the side opposite to the valve hole; a spring interposed between the diaphragms and elastically biasing the valve body in a valve closing direction; a flow hole provided in the case for communicating the flow space and the negative pressure side space; , a communication hole for communicating the negative pressure chamber and the negative pressure side space.
本考案のバルブ装置は常時閉弁しており、負圧
側空間の負圧が予め定めた所定値を下回ると自動
的に開弁して大気側空間から負圧側空間へ大気圧
を供給し、負圧側空間の負圧が所定値に戻ると自
動的に閉弁し、以上の作動を繰り返して負圧側空
間の負圧を常に所定値以上に保つ調圧作用を奏す
る。またこの作動を通じて大気圧室には中空部を
介して常に大気圧が導入され、負圧室には流通孔
を介して常に負圧側空間の負圧が導入される。し
たがつて大気圧室に負圧が流入したり負圧室に大
気圧が流入したりしてチヤタリング現象が発生す
るのを未然に防止することが可能である。
The valve device of the present invention is always closed, and when the negative pressure in the negative pressure side space falls below a predetermined value, it automatically opens and supplies atmospheric pressure from the atmospheric side space to the negative pressure side space. When the negative pressure in the pressure side space returns to a predetermined value, the valve automatically closes, and by repeating the above operation, a pressure regulating action is performed to always maintain the negative pressure in the negative pressure side space above a predetermined value. Through this operation, atmospheric pressure is always introduced into the atmospheric pressure chamber through the hollow portion, and negative pressure from the negative pressure side space is always introduced into the negative pressure chamber through the communication hole. Therefore, it is possible to prevent the chattering phenomenon from occurring due to negative pressure flowing into the atmospheric pressure chamber or atmospheric pressure flowing into the negative pressure chamber.
つぎに本考案の実施例を図面にしたがつて説明
する。
Next, embodiments of the present invention will be described with reference to the drawings.
第１図において符号１は板状の仕切部材であつ
て、この仕切部材１によつて大気圧側空間２と負
圧側空間３とが仕切られており、この仕切部材１
に当該バルブ装置が取り付けられている。またこ
の仕切部材１に両空間２，３を互いに連通させる
ように弁孔４が設けられている。 In FIG. 1, reference numeral 1 denotes a plate-shaped partition member, and this partition member 1 partitions an atmospheric pressure side space 2 and a negative pressure side space 3.
The valve device is attached to. Further, a valve hole 4 is provided in this partition member 1 so as to allow both spaces 2 and 3 to communicate with each other.
仕切部材１にケース５が負圧側空間３側から取
り付けられ、ケース５の内部空間６が弁孔４を介
して大気圧側空間２と連通している。後記するよ
うに内部空間６は大気圧室８、流通空間１４およ
び負圧室１５に区分けされる。内部空間６にダイ
アフラム７が架設され、その反弁孔４側（図上左
側）に大気圧室８が画成されている。ダイアフラ
ム７に弁体９が取り付けられている。弁体９はそ
の弁孔４側（図上右側）の端部９ａを弁孔４を介
して大気圧側空間２に突出させ、また大気圧側空
間２と大気圧室８とを連通させる中空部１０を有
している。また弁体９の弁孔４側の端部９ａには
仕切部材１の弁孔４周縁部に対して大気圧側空間
２側から接離する鍔部１１が設けられており、こ
の鍔部１１の有効受圧面積はダイアフラム７の有
効受圧面積より小さく設定されている。内部空間
６におけるダイアフラム７の弁孔４側にプレート
１２が架設されている。プレート１２は弁体９を
移動自在に挿通する挿通孔１３を有しており、弁
体９の外周においてダイアフラム７の弁孔４側の
空間を弁孔４側の流通空間１４と反弁孔４側の負
圧室１５とに仕切つている。プレート１２とダイ
アフラム７の間に弁体９を閉弁方向に弾性付勢す
るスプリング１６が介装されている。符号１７，
１８はリテーナ、１９は通気孔２０を設けたブツ
シユである。ケース４に流通空間１４と負圧側空
間３とを連通させる流通孔２１が設けられ、また
負圧室１５と負圧側空間３とを連通させる連通孔
２２が設けられている。 A case 5 is attached to the partition member 1 from the negative pressure side space 3 side, and an internal space 6 of the case 5 communicates with the atmospheric pressure side space 2 via the valve hole 4. As will be described later, the internal space 6 is divided into an atmospheric pressure chamber 8, a circulation space 14, and a negative pressure chamber 15. A diaphragm 7 is installed in the internal space 6, and an atmospheric pressure chamber 8 is defined on the side opposite to the valve hole 4 (left side in the figure). A valve body 9 is attached to the diaphragm 7. The valve body 9 has an end 9a on the valve hole 4 side (right side in the figure) protruding into the atmospheric pressure side space 2 through the valve hole 4, and has a hollow space that communicates the atmospheric pressure side space 2 with the atmospheric pressure chamber 8. It has a section 10. Further, a flange 11 is provided at the end 9a of the valve body 9 on the valve hole 4 side, and the flange 11 comes into contact with and separates from the peripheral edge of the valve hole 4 of the partition member 1 from the atmospheric pressure side space 2 side. The effective pressure receiving area of the diaphragm 7 is set to be smaller than that of the diaphragm 7. A plate 12 is installed on the valve hole 4 side of the diaphragm 7 in the internal space 6 . The plate 12 has an insertion hole 13 through which the valve body 9 is movably inserted, and the space on the valve hole 4 side of the diaphragm 7 on the outer periphery of the valve body 9 is connected to the circulation space 14 on the valve hole 4 side and the opposite valve hole 4. It is partitioned into a negative pressure chamber 15 on the side. A spring 16 is interposed between the plate 12 and the diaphragm 7 to elastically bias the valve body 9 in the valve closing direction. Code 17,
18 is a retainer, and 19 is a bush provided with ventilation holes 20. The case 4 is provided with a communication hole 21 that allows communication between the circulation space 14 and the negative pressure side space 3, and a communication hole 22 that allows communication between the negative pressure chamber 15 and the negative pressure side space 3.
上記構成のバルブ装置は第１図に示したように
常時閉弁しており、負圧側空間３の負圧が予め定
めた所定値を下回ると自動的に開弁して大気側空
間２から負圧側空間３へ大気圧を供給し、負圧側
空間３の負圧が所定値に戻ると自動的に閉弁す
る。当該バルブ装置が常時閉弁しているのは大気
圧と負圧の差に基づく開弁力がスプリング１６の
弾発力による閉弁力より小さいためであつて、こ
の状態から負圧側空間３の負圧が更に下がつて所
定値を下回ると開弁力と閉弁力の大小関係が逆転
し、当該バルブ装置が自動的に開弁する。当該バ
ルブ装置が開弁すると第２図に矢示したように大
気圧側空間２から弁孔４、流通空間１４および流
通孔２１を経て負圧側空間３に大気圧が導入され
て負圧側空間３の負圧が高められ、これに伴つて
負圧室１５の負圧が高められ、負圧が所定値に戻
ると閉弁力と開弁力の大小関係が再度逆転して当
該バルブ装置が自動的に閉弁する。したがつて当
該バルブ装置によれば以上の作動の繰り返しによ
つて負圧側空間３の負圧を常に所定値以上に保つ
ことができる。 As shown in Fig. 1, the valve device with the above configuration is normally closed, and when the negative pressure in the negative pressure side space 3 falls below a predetermined value, it automatically opens to remove the negative pressure from the atmospheric side space 2. Atmospheric pressure is supplied to the pressure side space 3, and when the negative pressure in the negative pressure side space 3 returns to a predetermined value, the valve is automatically closed. The reason why the valve device is always closed is because the valve opening force based on the difference between atmospheric pressure and negative pressure is smaller than the valve closing force due to the elastic force of the spring 16. From this state, the negative pressure side space 3 is closed. When the negative pressure further decreases below a predetermined value, the magnitude relationship between the valve opening force and the valve closing force is reversed, and the valve device automatically opens. When the valve device opens, as shown by the arrow in FIG. The negative pressure in the negative pressure chamber 15 is increased accordingly, and when the negative pressure returns to a predetermined value, the magnitude relationship between the valve closing force and the valve opening force is reversed again, and the valve device is automatically activated. The valve will be closed. Therefore, according to the valve device, by repeating the above operations, the negative pressure in the negative pressure side space 3 can always be maintained at a predetermined value or higher.
また上記作動を通じて大気圧室８には中空部１
０および通気孔２０を介して常に大気圧が導入さ
れており、この大気圧室８に負圧が流入すること
は無いようになつている。また負圧室１５には流
通孔２２を介して常に負圧側空間３の負圧が導入
されており、この負圧室１５に大気圧が流入する
ことは無いようになつている。したがつて大気圧
室８に負圧が流入したり負圧室１５に大気圧が流
入したりしてチヤタリング現象が発生するのを未
然に防止することができる。 Also, through the above operation, the atmospheric pressure chamber 8 has a hollow part 1.
Atmospheric pressure is always introduced through the chamber 8 and the vent hole 20, and negative pressure does not flow into the atmospheric pressure chamber 8. Further, the negative pressure of the negative pressure side space 3 is always introduced into the negative pressure chamber 15 via the communication hole 22, and atmospheric pressure does not flow into the negative pressure chamber 15. Therefore, it is possible to prevent a chattering phenomenon from occurring due to negative pressure flowing into the atmospheric pressure chamber 8 or atmospheric pressure flowing into the negative pressure chamber 15.
本考案は次の効果を奏する。すなわち上記構成
および作用によつて負圧を対象とする自動調圧機
能を備えたバルブ装置を提供することができ、更
に具体的には、負圧を常に所定値以上に保つバル
ブ装置を提供することができる。また本考案のバ
ルブ装置によれば大気圧を導入されるべき大気圧
室に負圧が流入したり、負圧を導入されるべき負
圧室に大気圧が流入したりすることが無いため
に、チヤタリング現象が発生しにくいものであ
る。
The present invention has the following effects. That is, with the above structure and operation, it is possible to provide a valve device that has an automatic pressure regulation function for negative pressure, and more specifically, to provide a valve device that always maintains negative pressure at a predetermined value or higher. be able to. Furthermore, according to the valve device of the present invention, there is no possibility that negative pressure will flow into an atmospheric pressure chamber into which atmospheric pressure should be introduced, or atmospheric pressure will not flow into a negative pressure chamber into which negative pressure should be introduced. , the chattering phenomenon is less likely to occur.
第１図は本考案の実施例に係るバルブ装置の閉
弁状態を示す断面図、第２図は同開弁状態を示す
断面図である。
１……仕切部材、２……大気圧側空間、３……
負圧側空間、４……弁孔、５……ケース、６……
内部空間、７……ダイアフラム、８……大気圧
室、９……弁体、９ａ……端部、１０……中空
部、１１……鍔部、１２……プレート、１３……
挿通孔、１４……流通空間、１５……負圧室、１
６……スプリング、１７，１８……リテーナ、１
９……ブツシユ、２０……通気孔、２１……流通
孔、２２……連通孔。
FIG. 1 is a sectional view showing a valve device according to an embodiment of the present invention in a closed state, and FIG. 2 is a sectional view showing the valve in an open state. 1... Partition member, 2... Atmospheric pressure side space, 3...
Negative pressure side space, 4... Valve hole, 5... Case, 6...
Internal space, 7... Diaphragm, 8... Atmospheric pressure chamber, 9... Valve body, 9a... End, 10... Hollow part, 11... Flange, 12... Plate, 13...
Insertion hole, 14... Circulation space, 15... Negative pressure chamber, 1
6... Spring, 17, 18... Retainer, 1
9... Button, 20... Ventilation hole, 21... Distribution hole, 22... Communication hole.
Claims (1)
もに前記両空間２，３を互いに連通させるように
弁孔４を設けた仕切部材１に取り付けられるバル
ブ装置であつて、 前記仕切部材１に負圧側空間３側から取り付け
られ、内部空間６を前記弁孔４を介して前記大気
圧側空間２と連通させたケース５と、 前記内部空間６に架設され、その反弁孔４側に
大気圧室８を画成したダイアフラム７と、 前記ダイアフラム７に取り付けられ、弁孔４側
の端部９ａを前記弁孔４を介して前記大気圧側空
間２に突出させ、前記大気圧側空間２と前記大気
圧室８とを連通させる中空部１０を設け、前記端
部９ａに前記仕切部材１の弁孔４周縁部に対して
大気圧側空間２側から接離する鍔部１１を設けた
弁体９と、 前記内部空間６における前記ダイアフラム７の
弁孔４側に架設され、前記弁体９を移動自在に挿
通する挿通孔１３を設け、前記ダイアフラム７の
弁孔４側の空間を弁孔４側の流通空間１４と反弁
孔４側の負圧室１５とに仕切つたプレート１２
と、 前記プレート１２と前記ダイアフラム７の間に
介装され、前記弁体９を閉弁方向に弾性付勢する
スプリング１６と、 前記ケース５に設けられ、前記流通空間１４と
前記負圧側空間３とを連通させる流通孔２１と、 前記ケース５に設けられ、前記負圧室１５と前
記負圧側空間３とを連通させる連通孔２２と、 を有するバルブ装置。[Claims for Utility Model Registration] A valve device that is attached to a partition member 1 that partitions an atmospheric pressure side space 2 and a negative pressure side space 3 and has a valve hole 4 so as to make both the spaces 2 and 3 communicate with each other. A case 5 is attached to the partition member 1 from the negative pressure side space 3 side and communicates the internal space 6 with the atmospheric pressure side space 2 via the valve hole 4; a diaphragm 7 defining an atmospheric pressure chamber 8 on the side opposite to the valve hole 4; , a hollow part 10 is provided to communicate the atmospheric pressure side space 2 and the atmospheric pressure chamber 8, and the end part 9a is connected to and separated from the peripheral edge of the valve hole 4 of the partition member 1 from the atmospheric pressure side space 2 side. A valve body 9 is provided with a flange 11 that is provided with a flange 11, and an insertion hole 13 is provided on the valve hole 4 side of the diaphragm 7 in the internal space 6 and through which the valve body 9 is movably inserted. A plate 12 that partitions the space on the side of the hole 4 into a circulation space 14 on the side of the valve hole 4 and a negative pressure chamber 15 on the side opposite to the valve hole 4.
a spring 16 that is interposed between the plate 12 and the diaphragm 7 and elastically urges the valve body 9 in the valve closing direction; and a spring 16 that is provided in the case 5 and that connects the circulation space 14 and the negative pressure side space 3. a communication hole 21 that communicates with the negative pressure chamber 15 and the negative pressure side space 3; and a communication hole 22 that is provided in the case 5 and allows the negative pressure chamber 15 and the negative pressure side space 3 to communicate with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985096673U JPH0523905Y2 (en) | 1985-06-27 | 1985-06-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985096673U JPH0523905Y2 (en) | 1985-06-27 | 1985-06-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS626571U JPS626571U (en) | 1987-01-16 |
| JPH0523905Y2 true JPH0523905Y2 (en) | 1993-06-17 |
Family
ID=30962666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985096673U Expired - Lifetime JPH0523905Y2 (en) | 1985-06-27 | 1985-06-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0523905Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5311724B2 (en) * | 1975-03-03 | 1978-04-24 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5311724U (en) * | 1976-07-14 | 1978-01-31 |
-
1985
- 1985-06-27 JP JP1985096673U patent/JPH0523905Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5311724B2 (en) * | 1975-03-03 | 1978-04-24 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS626571U (en) | 1987-01-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0523905Y2 (en) | ||
| JPS6347926Y2 (en) | ||
| JPS601328Y2 (en) | check valve | |
| JPH0736216Y2 (en) | Air control valve device | |
| JPH09263232A (en) | Oil reservior | |
| JPH01178285U (en) | ||
| JPS5847002Y2 (en) | oil cap | |
| JPS6243371Y2 (en) | ||
| JPS6377810U (en) | ||
| JPH0228304Y2 (en) | ||
| JPS6228211U (en) | ||
| JPH0467713U (en) | ||
| JPS6212853Y2 (en) | ||
| JPS6052508U (en) | Pressure reducing valve | |
| JPS58114967U (en) | pressure control solenoid valve | |
| JPS6110386U (en) | Constant flow valve device with water stop valve | |
| JPS5870597U (en) | Differential pressure automatic drain valve | |
| JPS6455375U (en) | ||
| JPS58180896A (en) | Valve opening automatic forced type thermal steam trap | |
| JPS58138110U (en) | constant flow water governor | |
| JPS606810U (en) | secondary air control valve | |
| JPS59112799U (en) | gas vent valve | |
| JPS6285580U (en) | ||
| JPS59158771U (en) | metering valve | |
| JPS6081366U (en) | shutoff valve |