JPS6387379U - - Google Patents
Info
- Publication number
- JPS6387379U JPS6387379U JP18293586U JP18293586U JPS6387379U JP S6387379 U JPS6387379 U JP S6387379U JP 18293586 U JP18293586 U JP 18293586U JP 18293586 U JP18293586 U JP 18293586U JP S6387379 U JPS6387379 U JP S6387379U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- hydraulic pressure
- throttle valve
- throttle
- decreases
- 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
- 230000007423 decrease Effects 0.000 claims 2
- 239000012530 fluid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Pipe Accessories (AREA)
- Safety Valves (AREA)
Description
第１図は本考案の概略を示す説明図、第２図イ
は本考案の一実施例の断面図、ロはその平面図、
ハはその右端面図、第３図イはその絞り弁の側面
図、ロはイのＡ―Ａ線断面図、第４図イは従来の
ボルト引張機の回路説明図、ロは従来の絞り弁の
概略説明図、第５図は圧抜き時間ｔと液圧シリン
ダ内圧力Ｐとの関係を示すグラフである。
１ａ……ポート口、１ｂ……液圧室、１……ブ
ロツク、２……絞り弁、３……スプリング。
Fig. 1 is an explanatory diagram showing the outline of the present invention, Fig. 2 A is a sectional view of an embodiment of the present invention, and Fig. 2 is a plan view thereof.
C is its right end view, FIG. 3 A is a side view of the throttle valve, B is a sectional view taken along line A-A of A, FIG. 4 A is a circuit explanatory diagram of a conventional bolt tensioning machine, B is a conventional throttle valve. FIG. 5, which is a schematic explanatory diagram of the valve, is a graph showing the relationship between pressure relief time t and hydraulic cylinder internal pressure P. 1a...port opening, 1b...hydraulic pressure chamber, 1...block, 2...throttle valve, 3...spring.
Claims (1)
ブロツクと、液圧の減少によつて流体抵抗が減少
するように移動する可変絞りの絞り弁と、この液
圧に対向するように絞り弁に作用するスプリング
とを有する圧抜弁。 A block that has a port opening and a hydraulic chamber that guides hydraulic pressure, a variable throttle throttle valve that moves so that fluid resistance decreases as the hydraulic pressure decreases, and a throttle valve that opposes this hydraulic pressure. A pressure relief valve having a spring acting on the valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18293586U JPS6387379U (en) | 1986-11-27 | 1986-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18293586U JPS6387379U (en) | 1986-11-27 | 1986-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6387379U true JPS6387379U (en) | 1988-06-07 |
Family
ID=31129197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18293586U Pending JPS6387379U (en) | 1986-11-27 | 1986-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6387379U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5330526A (en) * | 1976-09-01 | 1978-03-22 | Mitsubishi Motors Corp | Method of manufacturing double noise protecting wall of vehicle |
-
1986
- 1986-11-27 JP JP18293586U patent/JPS6387379U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5330526A (en) * | 1976-09-01 | 1978-03-22 | Mitsubishi Motors Corp | Method of manufacturing double noise protecting wall of vehicle |