JPH02126089U - - Google Patents
Info
- Publication number
- JPH02126089U JPH02126089U JP3323989U JP3323989U JPH02126089U JP H02126089 U JPH02126089 U JP H02126089U JP 3323989 U JP3323989 U JP 3323989U JP 3323989 U JP3323989 U JP 3323989U JP H02126089 U JPH02126089 U JP H02126089U
- Authority
- JP
- Japan
- Prior art keywords
- rotor shaft
- oil
- vacuum pump
- screw vacuum
- pump
- 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
Description
第１図はスクリユ真空ポンプ本体の駆動装置の
詳細図、第２図は本考案スクリユ真空ポンプ本体
の縦断面図、第３図は第２図中軸受箱上壁を―
方向にみたときの詳細図、第４図は従来のスク
リユ真空ポンプ本体の縦断面図である。
１……真空ポンプ本体、４……ピニオンギヤ、
５……給油ノズル、１２，１３……ベアリング、
１６，２５……軸受箱上壁、１７，２６……油溝
、１９，２８……通路。
Figure 1 is a detailed view of the drive device of the screw vacuum pump body, Figure 2 is a longitudinal sectional view of the screw vacuum pump body of the present invention, and Figure 3 shows the upper wall of the bearing box in Figure 2.
4 is a longitudinal sectional view of a conventional screw vacuum pump main body. 1...Vacuum pump body, 4...Pinion gear,
5... Refueling nozzle, 12, 13... Bearing,
16, 25... Upper wall of bearing box, 17, 26... Oil groove, 19, 28... Passage.
Claims (1)
タを収納し、その両軸をベアリングで軸支し、該
ロータ軸の一側にタイミングギヤを嵌着したスク
リユ真空ポンプにおいて、前記ロータ軸の中心に
はその全長にわたつて貫通する油孔を設けると共
に、前記ロータ軸の軸端に対向して油を噴射する
給油ノズルを配設し、さらに前記ベアリングの軸
受箱上壁には該軸受箱内と通路を介して連通する
油溝を設けたことを特徴とするスクリユ真空ポン
プ。 In a screw vacuum pump, a pair of male and female screw rotors are housed in a casing, both shafts of which are supported by bearings, and a timing gear is fitted on one side of the rotor shaft. An oil hole is provided that penetrates the rotor shaft, and an oil supply nozzle that injects oil is provided opposite to the shaft end of the rotor shaft. A screw vacuum pump characterized by having an oil groove that communicates with the pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3323989U JPH02126089U (en) | 1989-03-27 | 1989-03-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3323989U JPH02126089U (en) | 1989-03-27 | 1989-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02126089U true JPH02126089U (en) | 1990-10-17 |
Family
ID=31536744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3323989U Pending JPH02126089U (en) | 1989-03-27 | 1989-03-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02126089U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6336085A (en) * | 1986-07-30 | 1988-02-16 | Taiko Kikai Kogyo Kk | Screw type vacuum pump |
-
1989
- 1989-03-27 JP JP3323989U patent/JPH02126089U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6336085A (en) * | 1986-07-30 | 1988-02-16 | Taiko Kikai Kogyo Kk | Screw type vacuum pump |