JPS63182359U - - Google Patents
Info
- Publication number
- JPS63182359U JPS63182359U JP1987072834U JP7283487U JPS63182359U JP S63182359 U JPS63182359 U JP S63182359U JP 1987072834 U JP1987072834 U JP 1987072834U JP 7283487 U JP7283487 U JP 7283487U JP S63182359 U JPS63182359 U JP S63182359U
- Authority
- JP
- Japan
- Prior art keywords
- rotating body
- circumferential surface
- sliding
- inner circumferential
- seal portion
- 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
- 230000037237 body shape Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
Description
第１図は本考案の一実施例を示す装着状態の断
面図、第２図は同じく原理説明図、第３図は同じ
く螺旋状起伏が形成された状態の半裁正面図であ
る。
１……ハウジング、２……オイルシール、５…
…回転体、５ａ……摺動部、６……螺旋状溝、７
……薄肉部、８……厚肉部、９……螺旋状起伏、
Ａ……高圧側空間、Ｂ……低圧側空間。
FIG. 1 is a sectional view showing an embodiment of the present invention in a mounted state, FIG. 2 is a diagram explaining the principle, and FIG. 3 is a half-cut front view showing a state in which spiral undulations are formed. 1...Housing, 2...Oil seal, 5...
...Rotating body, 5a...Sliding part, 6...Spiral groove, 7
... Thin wall part, 8... Thick wall part, 9... Spiral undulations,
A...High pressure side space, B...Low pressure side space.
Claims (1)
た環状または筒状のシール部材の内周面が互いに
摺動する摺動シール部において、回転体を中空と
し、かつ該回転体の内周面の少なくとも前記摺動
部の直下部に相当する部分に、所要数の螺旋状溝
を凹設してなることを特徴とする摺動シール部に
おける回転体形状。 In a sliding seal portion where the outer circumferential surface of the rotating body and the inner circumferential surface of an annular or cylindrical seal member attached to the housing shaft hole slide against each other, the rotating body is hollow and the inner circumferential surface of the rotating body is A rotating body shape in a sliding seal portion, characterized in that a required number of spiral grooves are recessed in at least a portion immediately below the sliding portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987072834U JPS63182359U (en) | 1987-05-18 | 1987-05-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987072834U JPS63182359U (en) | 1987-05-18 | 1987-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63182359U true JPS63182359U (en) | 1988-11-24 |
Family
ID=30916634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987072834U Pending JPS63182359U (en) | 1987-05-18 | 1987-05-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63182359U (en) |
-
1987
- 1987-05-18 JP JP1987072834U patent/JPS63182359U/ja active Pending