JPS628387U - - Google Patents
Info
- Publication number
- JPS628387U JPS628387U JP9974485U JP9974485U JPS628387U JP S628387 U JPS628387 U JP S628387U JP 9974485 U JP9974485 U JP 9974485U JP 9974485 U JP9974485 U JP 9974485U JP S628387 U JPS628387 U JP S628387U
- Authority
- JP
- Japan
- Prior art keywords
- vane
- rotor
- annular
- extending
- casing
- 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
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims 1
- 239000003566 sealing material Substances 0.000 description 1
Landscapes
- Rotary Pumps (AREA)
Description
第１図は本考案実施例を示すベーン式エアーポ
ンプの要部縦断面図、第２図は第１図の要部拡大
断面図、第３図は本考案実施例のシール部材を示
す縦断面図、第４図は従来例を示すベーン式エア
ーポンプの縦断面図、第５図は第１図Ａ―Ａ線に
沿つた断面図である。
符号の説明１……ケーシング、２……ポンプ室
、３……回転子、４，５……端壁、６……駆動軸
部、７……筒状部、８……端壁部、９……ベーン
軸、１１……棒状シール材、１２……ベーン、１
６……ベーンの基部、１７……転がり軸受、１８
……環状溝、１９……環状受面、２０……円錐面
、２１……シール部材、２２……環状本体、２３
……外側弾性係合部、２４……内側弾性係合部。
Fig. 1 is a vertical cross-sectional view of the main part of a vane type air pump showing an embodiment of the invention, Fig. 2 is an enlarged sectional view of the main part of Fig. 1, and Fig. 3 is a longitudinal cross-section showing the sealing member of the embodiment of the invention. 4 are longitudinal sectional views of a conventional vane type air pump, and FIG. 5 is a sectional view taken along the line AA in FIG. 1. Explanation of symbols 1... Casing, 2... Pump chamber, 3... Rotor, 4, 5... End wall, 6... Drive shaft portion, 7... Cylindrical portion, 8... End wall portion, 9 ... Vane shaft, 11 ... Rod-shaped sealing material, 12 ... Vane, 1
6... Vane base, 17... Rolling bearing, 18
... Annular groove, 19 ... Annular receiving surface, 20 ... Conical surface, 21 ... Seal member, 22 ... Annular main body, 23
...outer elastic engagement part, 24...inner elastic engagement part.
Claims (1)
に対して回転軸心を偏心させた回転子３を設け、
ケーシング１の端壁５に一端を固着され、ポンプ
室２と同心に伸びるベーン軸９を回転子３内に配
し、該ベーン軸９に、回転子３の長孔１０を貫通
して伸びるベーン１２を、その基部１６に転がり
軸受１７を設けて回転自在に支持したベーン式エ
アーポンプにおいて、前記ベーンの基部１６両端
に、径方向に伸びる環状受面１９と、軸方向外向
きに縮径する円錐面２０とから成る環状溝１８を
形成し、該環状溝１８に環状本体２２内外縁に弾
性係合部２３，２４を形成したシール部材２１を
嵌合したことを特徴とするベーン式エアーポンプ
。 A rotor 3 is provided whose rotational axis is eccentric to the axis of a pump chamber 2 formed in a casing 1,
A vane shaft 9 having one end fixed to the end wall 5 of the casing 1 and extending concentrically with the pump chamber 2 is arranged in the rotor 3, and a vane extending through the long hole 10 of the rotor 3 is attached to the vane shaft 9. 12 is rotatably supported by providing a rolling bearing 17 at the base 16 of the vane, the vane has an annular bearing surface 19 extending in the radial direction at both ends of the base 16, and an annular bearing surface 19 having a diameter decreasing outward in the axial direction. A vane type air pump characterized in that an annular groove 18 is formed with a conical surface 20, and a sealing member 21 having elastic engagement parts 23 and 24 formed on the inner and outer edges of an annular main body 22 is fitted into the annular groove 18. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9974485U JPS628387U (en) | 1985-06-28 | 1985-06-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9974485U JPS628387U (en) | 1985-06-28 | 1985-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS628387U true JPS628387U (en) | 1987-01-19 |
Family
ID=30968906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9974485U Pending JPS628387U (en) | 1985-06-28 | 1985-06-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS628387U (en) |
-
1985
- 1985-06-28 JP JP9974485U patent/JPS628387U/ja active Pending