JPS6411385U - - Google Patents
Info
- Publication number
- JPS6411385U JPS6411385U JP10582987U JP10582987U JPS6411385U JP S6411385 U JPS6411385 U JP S6411385U JP 10582987 U JP10582987 U JP 10582987U JP 10582987 U JP10582987 U JP 10582987U JP S6411385 U JPS6411385 U JP S6411385U
- Authority
- JP
- Japan
- Prior art keywords
- oil
- pump
- pump chamber
- spool
- slides
- 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 1
- 238000005461 lubrication Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
Description
第１図はこの考案の構成を概略的に示す図、第
２図は給油調整機構の構成を拡大して示す図、第
３図は作動状態を示す図である。
１……油回転形真空ポンプのハウジング、２…
…ポンプ部、３……給油調整機構、４……油槽、
５……スプール、６……圧縮コイルバネ、７……
ストツパ。
FIG. 1 is a diagram schematically showing the structure of this invention, FIG. 2 is an enlarged view of the structure of the oil supply adjustment mechanism, and FIG. 3 is a diagram showing the operating state. 1...Housing of oil rotary vacuum pump, 2...
...Pump part, 3...Oil supply adjustment mechanism, 4...Oil tank,
5...Spool, 6...Compression coil spring, 7...
Stotspa.
Claims (1)
ンプ室内に適宜給油を行う油回転形の真空ポンプ
において、前記ポンプ室内の圧力に応じて褶動す
るスプールと、該スプールが前記ポンプ室内の圧
力が低下して変位するとき孔路面積を減少させる
よう設けた給油孔とからなる給油調整機構を具備
したことを特徴とする油回転形真空ポンプ。 An oil rotary vacuum pump that appropriately supplies oil into the pump chamber for lubrication and vacuum sealing includes a spool that slides in response to the pressure in the pump chamber, and a spool that slides when the pressure in the pump chamber decreases. 1. An oil rotary vacuum pump characterized in that it is equipped with an oil supply adjustment mechanism consisting of an oil supply hole provided so as to reduce the hole passage area when the pump is displaced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10582987U JPS6411385U (en) | 1987-07-09 | 1987-07-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10582987U JPS6411385U (en) | 1987-07-09 | 1987-07-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6411385U true JPS6411385U (en) | 1989-01-20 |
Family
ID=31338796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10582987U Pending JPS6411385U (en) | 1987-07-09 | 1987-07-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6411385U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015025755A1 (en) * | 2013-08-22 | 2015-02-26 | 株式会社ミクニ | Vacuum pump mechanism |
-
1987
- 1987-07-09 JP JP10582987U patent/JPS6411385U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015025755A1 (en) * | 2013-08-22 | 2015-02-26 | 株式会社ミクニ | Vacuum pump mechanism |
| JP2015040512A (en) * | 2013-08-22 | 2015-03-02 | 株式会社ミクニ | Vacuum pump mechanism |
| CN105518303A (en) * | 2013-08-22 | 2016-04-20 | 株式会社三国 | Vacuum pump mechanism |
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