JPH0380167U - - Google Patents
Info
- Publication number
- JPH0380167U JPH0380167U JP14122689U JP14122689U JPH0380167U JP H0380167 U JPH0380167 U JP H0380167U JP 14122689 U JP14122689 U JP 14122689U JP 14122689 U JP14122689 U JP 14122689U JP H0380167 U JPH0380167 U JP H0380167U
- Authority
- JP
- Japan
- Prior art keywords
- low pressure
- valve
- high pressure
- pressure chamber
- flow passage
- 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
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Safety Valves (AREA)
- Details Of Valves (AREA)
Description
第１図乃至第４図は本考案の第１実施例を示す
もので、第１図は全閉状態の側断面図、第２図は
同全開直前状態の側断面図、第３図は第１図にお
けるＡ−Ａ線、第４図は第２図のＢ−Ｂ線の各断
面図である。第５図はバルブの移動量に対する流
通隙間の面積変化を示す特性図である。第６図及
び第７図は第１実施例における２つの変形例を示
す各一部の断面図、第８図乃至第１０図は本考案
の第２実施例を示すもので、第８図は全閉時の側
断面図、第９図は全開直前時の要部を示す側断面
図、第１０図は変形例の要部を示す側断面図であ
る。第１１図は本考案の第３実施例を示す側断面
図、第１２図はその変形例の要部を示す側断面図
である。第１３図は従来構造を示す側断面図であ
る。
１８ａ……高圧側流路、１９ａ……低圧側流路
、２４……低圧室、２６……付勢手段、２７，２
７ａ，３４，３６……流通路、１８ｂ，３５，３
７……流量制御手段。
1 to 4 show a first embodiment of the present invention, in which FIG. 1 is a side sectional view in a fully closed state, FIG. 2 is a side sectional view in a fully opened state, and FIG. 1, and FIG. 4 is a sectional view taken along line BB in FIG. 2. FIG. 5 is a characteristic diagram showing changes in the area of the flow gap with respect to the amount of movement of the valve. 6 and 7 are partial sectional views showing two variations of the first embodiment, and FIGS. 8 to 10 show a second embodiment of the present invention. FIG. 9 is a side sectional view showing the main parts immediately before fully opening, and FIG. 10 is a side sectional view showing the main parts of a modified example. FIG. 11 is a side sectional view showing a third embodiment of the present invention, and FIG. 12 is a side sectional view showing a main part of a modification thereof. FIG. 13 is a side sectional view showing a conventional structure. 18a...High pressure side flow path, 19a...Low pressure side flow path, 24...Low pressure chamber, 26...Biasing means, 27, 2
7a, 34, 36...flow path, 18b, 35, 3
7...Flow control means.
Claims (1)
に低圧室２４を設け、該低圧室２４に低圧側流路
１９ａを連通するとともにバルブＶを高圧側方向
に付勢する付勢手段２６を設け、更に、高圧側流
路１８ａ側と低圧室２４側とを連通する流通路を
設けたものにおいて、バルブＶが全開直前位置に
達したとき前記流通路の流通面積を増大する流量
制御手段を設けたことを特徴とする圧力制御弁。 A low pressure chamber 24 is provided on the back side of the valve V that opens and closes the high pressure side flow path 18a, and a biasing means 26 that communicates the low pressure side flow path 19a with the low pressure chamber 24 and urges the valve V toward the high pressure side is provided. Furthermore, in the one provided with a flow passage communicating between the high pressure side flow passage 18a side and the low pressure chamber 24 side, a flow rate control means is provided for increasing the flow area of the flow passage when the valve V reaches a position immediately before fully opening. A pressure control valve characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14122689U JPH0380167U (en) | 1989-12-06 | 1989-12-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14122689U JPH0380167U (en) | 1989-12-06 | 1989-12-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0380167U true JPH0380167U (en) | 1991-08-16 |
Family
ID=31688140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14122689U Pending JPH0380167U (en) | 1989-12-06 | 1989-12-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0380167U (en) |
-
1989
- 1989-12-06 JP JP14122689U patent/JPH0380167U/ja active Pending
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