JPH0165773U - - Google Patents
Info
- Publication number
- JPH0165773U JPH0165773U JP1987161605U JP16160587U JPH0165773U JP H0165773 U JPH0165773 U JP H0165773U JP 1987161605 U JP1987161605 U JP 1987161605U JP 16160587 U JP16160587 U JP 16160587U JP H0165773 U JPH0165773 U JP H0165773U
- Authority
- JP
- Japan
- Prior art keywords
- lip
- shape
- bushing
- link
- annular recess
- 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 2
- 239000013013 elastic material Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
Description
第1図は本考案の第1実施例のオイルシールを
収容したときの縦断面図。第2図は本考案の組み
込み前の第1実施例のオイルシール断面図。第3
図は本考案のオイルシール収容時の第1実施例の
リツプAの面圧分布図。第4図は本考案の第2実
施例のオイルシールを収容したときの縦断面図。
第5図は本考案の組み込み前の第2実施例のオイ
ルシール断面図。第6図は本考案のオイルシール
収容時の第2実施例のリツプAの面圧分布図。第
7図は従来例の組み込み前のオイルシール断面図
。第8図は従来例のオイルシール収容時のリツプ
Aの面圧分布図。
1,2……リンク、3……嵌着孔、4……ピン
、5……環状凹部、6……ブツシユ、7……溝部
、8,16……オイルシール、9……ブツシユの
端面、10……環状凹部の底部、11……ブツシ
ユ側のリツプ(リツプA)、12……リンク側の
リツプ(リツプB)。
FIG. 1 is a longitudinal sectional view of the oil seal according to the first embodiment of the present invention when it is housed. FIG. 2 is a sectional view of the oil seal of the first embodiment of the present invention before installation. Third
The figure is a surface pressure distribution diagram of the lip A of the first embodiment when the oil seal of the present invention is accommodated. FIG. 4 is a longitudinal cross-sectional view when the oil seal of the second embodiment of the present invention is housed.
FIG. 5 is a sectional view of the oil seal of the second embodiment of the present invention before installation. FIG. 6 is a surface pressure distribution diagram of the lip A of the second embodiment when the oil seal of the present invention is accommodated. FIG. 7 is a sectional view of a conventional oil seal before installation. FIG. 8 is a surface pressure distribution diagram of lip A when a conventional oil seal is accommodated. 1, 2... Link, 3... Fitting hole, 4... Pin, 5... Annular recess, 6... Bush, 7... Groove, 8, 16... Oil seal, 9... End face of bush, 10... Bottom of the annular recess, 11... Lip on the bush side (lip A), 12... Lip on the link side (lip B).
Claims (1)
ツシユとシヤフトで形成された溝部に、耐摩耗性
と弾性とを有する材料より成り、断面形状をほぼ
W字およびU字形状にした履帯用のダストシール
において、揺動するブツシユ側のリツプをリンク
側のリツプより厚くするとともにブツシユ摺接外
周縁部の形状を尖状にし、かつリンクの環状凹部
の底部と対向するブツシユの端面との離間距離よ
りも、ブツシユ側のリツプとリンク側のリツプの
肉厚の加算値を大きくしたことを特徴とする履帯
のダストシール。 In a dust seal for a crawler track, the annular recess of the link and the groove formed by the bush and shaft facing the annular recess are made of a wear-resistant and elastic material and have a cross-sectional shape of approximately W-shape or U-shape, The lip on the swinging bushing side is made thicker than the lip on the link side, and the shape of the outer peripheral edge of the bushing in contact with the bushing is made into a pointed shape. A dust seal for a crawler track characterized by increasing the thickness of the side lip and the link side lip.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987161605U JPH0165773U (en) | 1987-10-21 | 1987-10-21 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987161605U JPH0165773U (en) | 1987-10-21 | 1987-10-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0165773U true JPH0165773U (en) | 1989-04-27 |
Family
ID=31444693
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987161605U Pending JPH0165773U (en) | 1987-10-21 | 1987-10-21 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0165773U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002036418A1 (en) | 2000-11-02 | 2002-05-10 | Hitachi Construction Machinery Co., Ltd. | Crawler belt and seal for use therein |
EP1258419A1 (en) * | 2000-12-22 | 2002-11-20 | Hitachi Construction Machinery Co., Ltd. | Crawler |
-
1987
- 1987-10-21 JP JP1987161605U patent/JPH0165773U/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002036418A1 (en) | 2000-11-02 | 2002-05-10 | Hitachi Construction Machinery Co., Ltd. | Crawler belt and seal for use therein |
EP1258419A1 (en) * | 2000-12-22 | 2002-11-20 | Hitachi Construction Machinery Co., Ltd. | Crawler |
EP1258419A4 (en) * | 2000-12-22 | 2004-09-29 | Hitachi Construction Machinery | Crawler |