JPS6352996U - - Google Patents
Info
- Publication number
- JPS6352996U JPS6352996U JP14714986U JP14714986U JPS6352996U JP S6352996 U JPS6352996 U JP S6352996U JP 14714986 U JP14714986 U JP 14714986U JP 14714986 U JP14714986 U JP 14714986U JP S6352996 U JPS6352996 U JP S6352996U
- Authority
- JP
- Japan
- Prior art keywords
- seal
- seal ring
- circumferential surface
- holding member
- 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
- 239000011247 coating layer Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 description 2
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、
１０ｂ……内周面、２１……コーテイング層。
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,
10b...Inner peripheral surface, 21...Coating layer.
Claims (1)
受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
部材の内筒部外周面とこの外周面と接触する上記
伸縮性シール部材の内周面のいずれか一方あるい
は双方に耐摩耗性材のコーテング層を形成したこ
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 part and an outer cylindrical part constituting the holding member in a watertight manner, and A mechanical seal comprising an elastic seal member having one end fixed to the seal ring, and a coil spring wound around the outer periphery of the elastic seal member to elastically bias the seal ring toward the vane. , a water pump characterized in that a coating layer of a wear-resistant material is formed on either or both of the outer circumferential surface of the inner cylindrical portion of the holding member and the inner circumferential surface of the elastic sealing member that contacts the outer circumferential surface. mechanical seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14714986U JPS6352996U (en) | 1986-09-26 | 1986-09-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14714986U JPS6352996U (en) | 1986-09-26 | 1986-09-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6352996U true JPS6352996U (en) | 1988-04-09 |
Family
ID=31060250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14714986U Pending JPS6352996U (en) | 1986-09-26 | 1986-09-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6352996U (en) |
-
1986
- 1986-09-26 JP JP14714986U patent/JPS6352996U/ja active Pending