JPS61186790U - - Google Patents
Info
- Publication number
- JPS61186790U JPS61186790U JP7069885U JP7069885U JPS61186790U JP S61186790 U JPS61186790 U JP S61186790U JP 7069885 U JP7069885 U JP 7069885U JP 7069885 U JP7069885 U JP 7069885U JP S61186790 U JPS61186790 U JP S61186790U
- Authority
- JP
- Japan
- Prior art keywords
- case
- impeller
- drive shaft
- cylindrical body
- annular groove
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 claims description 2
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図は本考案に係る水ポンプを示す断面図、
第２図はインペラ背面部のシール構成を示す拡大
断面図、第３図、第４図は従来例を示す断面図で
ある。
１はケース、２は蓋、３はポンプ室、４は駆動
軸、５はインペラ、６は軸受、１０は凹陥部、１
１は円筒部、１２は潤滑油室、１４は環状溝、１
５はシールリング。
FIG. 1 is a sectional view showing a water pump according to the present invention;
FIG. 2 is an enlarged sectional view showing the seal structure on the back surface of the impeller, and FIGS. 3 and 4 are sectional views showing conventional examples. 1 is a case, 2 is a lid, 3 is a pump chamber, 4 is a drive shaft, 5 is an impeller, 6 is a bearing, 10 is a recessed part, 1
1 is a cylindrical portion, 12 is a lubricating oil chamber, 14 is an annular groove, 1
5 is a seal ring.
Claims (1)
背面をケース１側に対向して内装されるインペラ
５を、ケース１のボス等を貫通する駆動軸４に固
着した構成からなる水ポンプにおいて、駆動軸４
の一側部をケース１に嵌合した軸受６にて支持し
、またインペラ５の背面に回転軸心と同心にした
円筒状の凹陥部１０を設け、またケース１に上記
凹陥部１０に嵌合し、かつ軸方向の対向間に潤滑
油室１２を構成する円筒体１１を突設して、駆動
軸４の他側部を上記凹陥部１０と円筒体１１との
嵌合により支持し、さらにインペラ５の半径方向
外側の背面とケース１の内面の一方の側面に環状
溝１４を設け、この環状溝１４に、他方の側面に
弾性摺接するシールリング１５を嵌合したことを
特徴とする水ポンプ。 A water pump consisting of an impeller 5 installed inside a pump chamber 3 consisting of a case 1 and a lid 2 with its back facing the case 1 side, and fixed to a drive shaft 4 passing through a boss etc. of the case 1. , the drive shaft 4
One side of the impeller 5 is supported by a bearing 6 fitted into the case 1, and a cylindrical recess 10 is provided on the back surface of the impeller 5 and is concentric with the rotational axis. A cylindrical body 11 constituting a lubricating oil chamber 12 is provided protrudingly between the concave portion 10 and the cylindrical body 11, and the other side of the drive shaft 4 is supported by the fitting between the concave portion 10 and the cylindrical body 11, Furthermore, an annular groove 14 is provided on one side surface of the radially outer back surface of the impeller 5 and the inner surface of the case 1, and a seal ring 15 is fitted into the annular groove 14 to make elastic sliding contact with the other side surface. water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7069885U JPS61186790U (en) | 1985-05-15 | 1985-05-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7069885U JPS61186790U (en) | 1985-05-15 | 1985-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61186790U true JPS61186790U (en) | 1986-11-21 |
Family
ID=30607514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7069885U Pending JPS61186790U (en) | 1985-05-15 | 1985-05-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61186790U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011026983A (en) * | 2009-07-22 | 2011-02-10 | Nidec Sankyo Corp | Pump device |
-
1985
- 1985-05-15 JP JP7069885U patent/JPS61186790U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011026983A (en) * | 2009-07-22 | 2011-02-10 | Nidec Sankyo Corp | Pump device |