JPS6456594U - - Google Patents
Info
- Publication number
- JPS6456594U JPS6456594U JP8827787U JP8827787U JPS6456594U JP S6456594 U JPS6456594 U JP S6456594U JP 8827787 U JP8827787 U JP 8827787U JP 8827787 U JP8827787 U JP 8827787U JP S6456594 U JPS6456594 U JP S6456594U
- Authority
- JP
- Japan
- Prior art keywords
- oil
- pump
- valve lever
- cam
- protrudes
- 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
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図及び第２図はこの考案の一実施例を示す
側面図及び断面図、第３図及び第４図はこの考案
のポンプ運転時の動作説明図、第５図及び第４図
は従来装置の側面図及び断面図である。
図において、２はピン、４はカム、１０はレバ
ー、１３はコイルスプリングである。なお各図中
同一符号は同一又は相当部分を示す。
1 and 2 are side views and sectional views showing one embodiment of this invention, FIGS. 3 and 4 are explanatory diagrams of the operation of this invention during pump operation, and FIGS. 5 and 4 are conventional FIG. 2 is a side view and a cross-sectional view of the device. In the figure, 2 is a pin, 4 is a cam, 10 is a lever, and 13 is a coil spring. Note that the same reference numerals in each figure indicate the same or equivalent parts.
補正 昭６３．１１．８
図面の簡単な説明を次のように補正する。
明細書の第６頁第９行目「第４図」とあるのを
「第６図」と訂正する。Amendment November 8, 1981 The brief description of the drawing is amended as follows. On page 6, line 9 of the specification, "Figure 4" is corrected to "Figure 6."
Claims (1)
されたピン、このピンにより支持されてポンプ軸
回転時に遠心力作用によつて突出するカム、この
カムの突出により、オイルケースからポンプ機構
へ油を供給する油通路を開閉する逆上弁レバー、
及びポンプ停止時に、この逆止弁レバーにより確
実に前記油通路を遮断するためにコイルスプリン
グを備えた油回転真空ポンプ油逆流防止装置。 A pin fixed to the end of the pump shaft that protrudes into the pump oil case, a cam that is supported by this pin and protrudes due to centrifugal force when the pump shaft rotates, and the protrusion of this cam allows oil to flow from the oil case to the pump mechanism. A reverse valve lever that opens and closes the oil supply passage;
and an oil rotary vacuum pump oil backflow prevention device equipped with a coil spring to ensure that the oil passage is shut off by the check valve lever when the pump is stopped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8827787U JPS6456594U (en) | 1987-06-08 | 1987-06-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8827787U JPS6456594U (en) | 1987-06-08 | 1987-06-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6456594U true JPS6456594U (en) | 1989-04-07 |
Family
ID=31312848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8827787U Pending JPS6456594U (en) | 1987-06-08 | 1987-06-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6456594U (en) |
-
1987
- 1987-06-08 JP JP8827787U patent/JPS6456594U/ja active Pending