JPH025659U - - Google Patents
Info
- Publication number
- JPH025659U JPH025659U JP8322488U JP8322488U JPH025659U JP H025659 U JPH025659 U JP H025659U JP 8322488 U JP8322488 U JP 8322488U JP 8322488 U JP8322488 U JP 8322488U JP H025659 U JPH025659 U JP H025659U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valve body
- flow path
- relief
- valve seat
- 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
Landscapes
- Safety Valves (AREA)
Description
第１図は本考案の実施例を示すリリーフ弁の縦
断面、第２図は凹部の図形状を示す要部の平面図
、第３図はダツシユポツトを形成した別の実施例
を示すリリーフ弁の縦断面図、第４図はバルブ本
体とバルブートに関して別の実施例を示すリリー
フ弁要部の縦断面図である。また、第５図は一般
的な油圧シリンダの駆動回路を示す油圧回路図、
第６図は従来例を示すリリーフ弁の縦断面図であ
る。
１…バルブケース、２…バルブシート、３…バ
ルブ本体、３Ａ…デイスク部、３Ｂ…カラー、７
…流路、９…リリーフスプリング、１０…凹部。
Fig. 1 is a vertical cross section of a relief valve showing an embodiment of the present invention, Fig. 2 is a plan view of the main part showing the shape of the recess, and Fig. 3 is a relief valve showing another embodiment in which a dash pot is formed. FIG. 4 is a longitudinal sectional view of the main part of the relief valve showing another embodiment regarding the valve body and valve boot. In addition, Fig. 5 is a hydraulic circuit diagram showing the drive circuit of a general hydraulic cylinder.
FIG. 6 is a longitudinal sectional view of a relief valve showing a conventional example. 1...Valve case, 2...Valve seat, 3...Valve body, 3A...Disc part, 3B...Color, 7
...Flow path, 9...Relief spring, 10...Recess.
Claims (1)
するバルブ本体と、このバルブ本体を所定圧力で
着座位置に保持するリリーフスプリングとを備え
たリリーフ弁において、バルブ本体を板状に形成
するとともに、相対するバルブ本体とバルブシー
トの少なくとも一方に、前記流路に連通して流路
の断面より面積の広い凹部を形成したことを特徴
とするリリーフ弁。 A relief valve including a valve body that seats on a valve seat from the downstream side to close a flow path, and a relief spring that holds the valve body in a seated position with a predetermined pressure, the valve body being formed into a plate shape, A relief valve characterized in that a recessed portion communicating with the flow path and having a larger area than the cross section of the flow path is formed in at least one of the valve body and the valve seat that face each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8322488U JPH025659U (en) | 1988-06-23 | 1988-06-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8322488U JPH025659U (en) | 1988-06-23 | 1988-06-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH025659U true JPH025659U (en) | 1990-01-16 |
Family
ID=31307950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8322488U Pending JPH025659U (en) | 1988-06-23 | 1988-06-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH025659U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6054791B2 (en) * | 1977-11-04 | 1985-12-02 | 日本電気株式会社 | Composite field effect transistor |
-
1988
- 1988-06-23 JP JP8322488U patent/JPH025659U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6054791B2 (en) * | 1977-11-04 | 1985-12-02 | 日本電気株式会社 | Composite field effect transistor |