JPH0169970U - - Google Patents
Info
- Publication number
- JPH0169970U JPH0169970U JP1987164698U JP16469887U JPH0169970U JP H0169970 U JPH0169970 U JP H0169970U JP 1987164698 U JP1987164698 U JP 1987164698U JP 16469887 U JP16469887 U JP 16469887U JP H0169970 U JPH0169970 U JP H0169970U
- Authority
- JP
- Japan
- Prior art keywords
- seal
- lubricant
- dust
- outer periphery
- communicating holes
- 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
- 239000000428 dust Substances 0.000 claims description 11
- 239000000314 lubricant Substances 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 2
- 239000004519 grease Substances 0.000 claims 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
Description
第１図…本考案による潤滑剤溜り付きダストシ
ールの斜視図、第２図…第１図のＡ−Ａ断面にお
ける実施例の断面図、第３図…第１図のＢ−Ｂ断
面における実施例の断面図、第４図…第３図のＣ
−Ｃ断面における実施例の断面展開図、第５図…
本考案による潤滑剤溜り付きダストシールの作用
を示す断面図、第６図…従来のダストシールの作
用を示す断面図、第７図…第５図のＤ−Ｄ断面に
おける潤滑剤の溜り状況を示す断面図、第８図…
従来のダストシールのＥ−Ｅ及びＦ−Ｆ断面にお
ける潤滑剤の溜り状況を示す断面図、第９図…ダ
ストシールの使用例を示す図、第１０図…第９図
のダストシールの使用部Ｐ部の拡大断面図、第１
１図…第１０図のダストシールの使用部Ｑ部の拡
大断面図。
１……潤滑剤溜り付きダストシール、２……シ
ール、３……保持金具、４……連通孔、５……弁
、６……保持金具の弁座、７……潤滑剤封入リツ
プ、８……ダスト浸入防止リツプ、９……ブツシ
ング、１０……シヤフト。
Fig. 1... A perspective view of a dust seal with a lubricant reservoir according to the present invention, Fig. 2... A sectional view of an embodiment taken along the AA cross section in Fig. 1, Fig. 3... An embodiment taken along the BB cross section in Fig. 1. Cross-sectional view of Figure 4...C of Figure 3
A cross-sectional developed view of the embodiment at the -C cross section, Fig. 5...
A sectional view showing the action of the dust seal with a lubricant reservoir according to the present invention, Fig. 6... A sectional view showing the action of a conventional dust seal, Fig. 7... A cross section showing the lubricant accumulation situation at the DD cross section in Fig. 5. Figure, Figure 8...
A sectional view showing how lubricant accumulates in the E-E and F-F cross sections of a conventional dust seal, Fig. 9...A diagram showing an example of how the dust seal is used, Fig. 10...A section of the used part P of the dust seal in Fig. 9. Enlarged cross-sectional view, 1st
Figure 1: An enlarged sectional view of the used part Q of the dust seal in Figure 10. DESCRIPTION OF SYMBOLS 1... Dust seal with lubricant reservoir, 2... Seal, 3... Holding fitting, 4... Communication hole, 5... Valve, 6... Valve seat of holding fitting, 7... Lubricant sealing lip, 8... ...Dust infiltration prevention lip, 9...Butching, 10...Shaft.
Claims (1)
の保持金具の内周との間の全周にわたり、各々独
立する複数個の潤滑剤溜りを有し、かつこれらの
各々の潤滑剤溜りが、シール内周上の潤滑剤封入
リツプとダスト浸入防止リツプとの間に形成する
間隙部に至る１個又は複数個の連通孔及びグリー
封入側からのみ開きかつ潤滑剤溜り側からのみ閉
まる１個または複数個の弁を有することを特徴と
する潤滑剤溜り付きダストシール。 A plurality of independent lubricant reservoirs are provided along the entire circumference between the outer periphery of the seal and the inner periphery of the retaining fitting on the outer periphery of the seal that holds this seal, and each of these lubricant reservoirs is connected to the inner periphery of the seal. One or more communicating holes leading to the gap formed between the upper lubricant sealing lip and the dust intrusion prevention lip, and one or more communicating holes that open only from the grease sealing side and close only from the lubricant reservoir side. A dust seal with a lubricant reservoir characterized by having a valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987164698U JPH0169970U (en) | 1987-10-27 | 1987-10-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987164698U JPH0169970U (en) | 1987-10-27 | 1987-10-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0169970U true JPH0169970U (en) | 1989-05-10 |
Family
ID=31450535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987164698U Pending JPH0169970U (en) | 1987-10-27 | 1987-10-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0169970U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000230643A (en) * | 1999-02-10 | 2000-08-22 | Hitachi Constr Mach Co Ltd | Bearing apparatus and manufacture of seal device |
-
1987
- 1987-10-27 JP JP1987164698U patent/JPH0169970U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000230643A (en) * | 1999-02-10 | 2000-08-22 | Hitachi Constr Mach Co Ltd | Bearing apparatus and manufacture of seal device |