JPS6317370U - - Google Patents
Info
- Publication number
- JPS6317370U JPS6317370U JP1986109318U JP10931886U JPS6317370U JP S6317370 U JPS6317370 U JP S6317370U JP 1986109318 U JP1986109318 U JP 1986109318U JP 10931886 U JP10931886 U JP 10931886U JP S6317370 U JPS6317370 U JP S6317370U
- Authority
- JP
- Japan
- Prior art keywords
- dust
- lip
- oil seal
- main
- communication passage
- 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.)
- Granted
Links
- 239000000428 dust Substances 0.000 claims description 10
- 230000002265 prevention Effects 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
Description
第1図から第5図は本考案のオイルシールの一
実施例を示し、第1図は縦断側面図、第2図は全
体の底面図、第3図はシール本体のメイン部分の
縦断側面図、第4図はシール本体のダスト部分の
縦断側面図、第5図はダスト部分の全体の平面図
、第6図は本考案の他の実施例を示す第5図同様
の平面図、第7図は従来のオイルシールを示す縦
断側面図である。
11……環状空間、12……オイルシール、1
3……シール本体、13a……メイン部分、13
b……ダスト部分、14……メイリツプ、15…
…ダストリツプ、16,24……連通路、25…
…凸条、26……縦溝、27……凸条、28……
連通路。
Figures 1 to 5 show an embodiment of the oil seal of the present invention, with Figure 1 being a longitudinal side view, Figure 2 being an overall bottom view, and Figure 3 being a longitudinal side view of the main part of the seal body. , FIG. 4 is a longitudinal cross-sectional side view of the dust portion of the seal body, FIG. 5 is a plan view of the entire dust portion, FIG. 6 is a plan view similar to FIG. 5 showing another embodiment of the present invention, and FIG. The figure is a longitudinal side view showing a conventional oil seal. 11...Annular space, 12...Oil seal, 1
3... Seal body, 13a... Main part, 13
b...Dust part, 14...Maylip, 15...
...Dust strip, 16, 24...Communication path, 25...
...Convex line, 26...Vertical groove, 27...Convex line, 28...
Communication path.
Claims (1)
塵機能を果たすダストリツプとを有するオイルシ
ールにおいて、前記メインリツプおよびダストリ
ツプと軸周面との間に形成される空間を大気側と
連通せしめる連通路をシール本体内に形成したこ
とを特徴とするオイルシール。 2 シール本体は、メインリツプを有するメイン
部分とダストリツプを有するダスト部分とに分割
されており、連通路は前記メイン部分とダスト部
分との接合部に形成されていることを特徴とする
実用新案登録請求の範囲第1項記載のオイルシー
ル。 3 連通路は螺旋状部分を有することを特徴とす
る実用新案登録請求の範囲第2項記載のオイルシ
ール。 4 連通路は迂回路状に形成されていることを特
徴とする実用新案登録請求の範囲第2項記載のオ
イルシール。[Claims for Utility Model Registration] 1. In an oil seal having a main lip that performs an oil leak prevention function and a dust lip that performs a dust prevention function, a space formed between the main lip and the dust lip and the shaft peripheral surface is defined as an atmosphere side. An oil seal characterized in that a communication path for communication is formed within the seal body. 2. A utility model registration claim characterized in that the seal body is divided into a main part having a main lip and a dust part having a dust lip, and a communication passage is formed at the joint between the main part and the dust part. The oil seal described in the range 1 above. 3. The oil seal according to claim 2, wherein the communication passage has a spiral portion. 4. The oil seal according to claim 2, wherein the communication passage is formed in the form of a detour.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986109318U JPH0446138Y2 (en) | 1986-07-18 | 1986-07-18 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986109318U JPH0446138Y2 (en) | 1986-07-18 | 1986-07-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6317370U true JPS6317370U (en) | 1988-02-04 |
JPH0446138Y2 JPH0446138Y2 (en) | 1992-10-29 |
Family
ID=30987303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986109318U Expired JPH0446138Y2 (en) | 1986-07-18 | 1986-07-18 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0446138Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002059310A (en) * | 2000-08-17 | 2002-02-26 | Makita Corp | Dustproof structure of reciprocating cutting tool |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51160756U (en) * | 1975-06-17 | 1976-12-21 | ||
JPS5625866U (en) * | 1979-08-07 | 1981-03-10 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5625866B2 (en) * | 1972-12-27 | 1981-06-15 |
-
1986
- 1986-07-18 JP JP1986109318U patent/JPH0446138Y2/ja not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51160756U (en) * | 1975-06-17 | 1976-12-21 | ||
JPS5625866U (en) * | 1979-08-07 | 1981-03-10 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002059310A (en) * | 2000-08-17 | 2002-02-26 | Makita Corp | Dustproof structure of reciprocating cutting tool |
Also Published As
Publication number | Publication date |
---|---|
JPH0446138Y2 (en) | 1992-10-29 |