JPS5911000U - Relief valve for overload protector - Google Patents
Relief valve for overload protectorInfo
- Publication number
- JPS5911000U JPS5911000U JP10653682U JP10653682U JPS5911000U JP S5911000 U JPS5911000 U JP S5911000U JP 10653682 U JP10653682 U JP 10653682U JP 10653682 U JP10653682 U JP 10653682U JP S5911000 U JPS5911000 U JP S5911000U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- relief valve
- overload protector
- diameter
- oil
- 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
Landscapes
- Control Of Presses (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来例の説明図、第２図はプレスの要部を示す
正面図、第３図は実施例の縦断面図及び作用を説明する
ための配管図である。
１はバルブ、２は弁、３は弁体、４はメタルシール面、
５は調整ねじ、６は油室、７はブースタポンプ、１１は
プレス、１２はスライド、１３はコネクチングロッド、
１４はピストン、１５は油圧シリンダ、１６はレリーフ
バルブ、１７はフレーム、１８は弁部材、１９は段部、
２０は蓋、２１は油室、２２はばね、２３はチェツキ弁
、２４は油路開口、２５は排油口、２６は給油口、２７
はプレッシャスイッチ、２８は油圧回路、２９は油槽、
３０はブースタポンプ。FIG. 1 is an explanatory diagram of a conventional example, FIG. 2 is a front view showing the main parts of the press, and FIG. 3 is a longitudinal cross-sectional view of the embodiment and a piping diagram for explaining the operation. 1 is a valve, 2 is a valve, 3 is a valve body, 4 is a metal seal surface,
5 is an adjustment screw, 6 is an oil chamber, 7 is a booster pump, 11 is a press, 12 is a slide, 13 is a connecting rod,
14 is a piston, 15 is a hydraulic cylinder, 16 is a relief valve, 17 is a frame, 18 is a valve member, 19 is a stepped portion,
20 is a lid, 21 is an oil chamber, 22 is a spring, 23 is a check valve, 24 is an oil passage opening, 25 is an oil drain port, 26 is an oil filler port, 27
is a pressure switch, 28 is a hydraulic circuit, 29 is an oil tank,
30 is the booster pump.
Claims (1)
リーフバルブにおいて、小径のチェツキ弁を有する弁部
材をバルブ本体であるフレーｌ、内の油室に収容し、該
弁体の一端面とフレーム内の段部とにより大径のメタル
シール面を形成し、該メタルシール部のフレーム側に小
径の油路開口を設け、該油路開口にプレスのスライド内
の油圧室に通ずる油圧回路を接続し、前□記弁部材の収
容されている油室に圧油供給回路を接続したことを特徴
とするオーバロードプロテクタ用レリーフバルブ。In a relief valve used in a hydraulic overload protector for a press, a valve member having a small-diameter check valve is housed in an oil chamber in a flail, which is the valve body, and one end surface of the valve element and a step in the frame are accommodated. A large-diameter metal seal surface is formed by this, a small-diameter oil passage opening is provided on the frame side of the metal seal part, a hydraulic circuit leading to the hydraulic chamber in the slide of the press is connected to the oil passage opening, and the front □ A relief valve for an overload protector, characterized in that a pressure oil supply circuit is connected to an oil chamber in which a valve member is accommodated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10653682U JPS5911000U (en) | 1982-07-14 | 1982-07-14 | Relief valve for overload protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10653682U JPS5911000U (en) | 1982-07-14 | 1982-07-14 | Relief valve for overload protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5911000U true JPS5911000U (en) | 1984-01-24 |
Family
ID=30249273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10653682U Pending JPS5911000U (en) | 1982-07-14 | 1982-07-14 | Relief valve for overload protector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5911000U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0578400U (en) * | 1992-04-07 | 1993-10-26 | 甲南電機株式会社 | Overload safety device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4914505A (en) * | 1972-05-19 | 1974-02-08 |
-
1982
- 1982-07-14 JP JP10653682U patent/JPS5911000U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4914505A (en) * | 1972-05-19 | 1974-02-08 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0578400U (en) * | 1992-04-07 | 1993-10-26 | 甲南電機株式会社 | Overload safety device |
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