JPS6352997U - - Google Patents
Info
- Publication number
- JPS6352997U JPS6352997U JP14715086U JP14715086U JPS6352997U JP S6352997 U JPS6352997 U JP S6352997U JP 14715086 U JP14715086 U JP 14715086U JP 14715086 U JP14715086 U JP 14715086U JP S6352997 U JPS6352997 U JP S6352997U
- Authority
- JP
- Japan
- Prior art keywords
- seal
- seal ring
- holding member
- annular
- vane
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Mechanical Sealing (AREA)
Description
第１図はこの考案に係るウオータポンプのメカ
ニカルシールの一実施例を示す要部断面図、第２
図は従来のメカニカルシールを示す部分断面図、
第３図はウオータポンプの全体構成を示す断面図
である。
１……ポンプハウジング、３……軸受孔、５…
…回転軸、６……ベーン、７……メカニカルシー
ル、８……シールリング、９……保持部材、９ａ
……内筒部、９ｂ……外筒部、９ｃ……環状凹部
、９ｄ……外周面、１０……伸縮性シール部材、
２１……支持部材。
Fig. 1 is a cross-sectional view of essential parts showing one embodiment of a mechanical seal for a water pump according to this invention;
The figure is a partial cross-sectional view of a conventional mechanical seal.
FIG. 3 is a sectional view showing the overall configuration of the water pump. 1...Pump housing, 3...Bearing hole, 5...
... Rotating shaft, 6 ... Vane, 7 ... Mechanical seal, 8 ... Seal ring, 9 ... Holding member, 9a
... Inner cylinder part, 9b ... Outer cylinder part, 9c ... Annular recess, 9d ... Outer peripheral surface, 10 ... Stretchable sealing member,
21...Supporting member.
Claims (1)
孔に回転自在に支承された回転軸の先端に有する
ベーンとの間に配設されたシールリングと、この
シールリングと対向位置する上記軸受孔の孔縁に
配装された環状の保持部材と、この保持部材を構
成する内筒部と外筒部とで形成された環状凹部内
において該環状凹部内を水密的に封止した状態で
収容配置され、かつ一端が上記シールリングに固
着された伸縮性シール部材と、この伸縮性シール
部材の外周に巻装されていて、上記シールリング
を上記ベーン側に弾発付勢するコイルスプリング
とを備えたメカニカルシールにおいて、上記保持
部材の内筒部に、該内筒部の外周面から所定間隙
をもつて上記伸縮性シール部材を支持する環状の
支持部材を遊嵌したことを特徴とするウオータポ
ンプのメカニカルシール。A seal ring disposed between the pump housing and a vane at the tip of a rotating shaft rotatably supported in a bearing hole in the pump housing, and a hole edge of the bearing hole located opposite to the seal ring. The annular holding member is housed in an annular recess formed by an inner cylindrical portion and an outer cylindrical portion constituting the holding member, and is housed in a state where the inside of the annular recess is watertightly sealed; A mechanical seal comprising an elastic seal member whose one end is fixed to the seal ring, and a coil spring that is wound around the outer periphery of the elastic seal member and resiliently biases the seal ring toward the vane. A mechanical seal for a water pump, characterized in that an annular support member that supports the elastic seal member is loosely fitted into the inner cylinder part of the holding member with a predetermined gap from the outer peripheral surface of the inner cylinder part. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14715086U JPS6352997U (en) | 1986-09-26 | 1986-09-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14715086U JPS6352997U (en) | 1986-09-26 | 1986-09-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6352997U true JPS6352997U (en) | 1988-04-09 |
Family
ID=31060252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14715086U Pending JPS6352997U (en) | 1986-09-26 | 1986-09-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6352997U (en) |
-
1986
- 1986-09-26 JP JP14715086U patent/JPS6352997U/ja active Pending