JPH01124468U - - Google Patents
Info
- Publication number
- JPH01124468U JPH01124468U JP1988020894U JP2089488U JPH01124468U JP H01124468 U JPH01124468 U JP H01124468U JP 1988020894 U JP1988020894 U JP 1988020894U JP 2089488 U JP2089488 U JP 2089488U JP H01124468 U JPH01124468 U JP H01124468U
- Authority
- JP
- Japan
- Prior art keywords
- container
- sealing mechanism
- sliding surface
- shape
- annular
- 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
- 238000007789 sealing Methods 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
Description
第１〜７図は本考案に係る往復動用密封機構を
液圧緩衝器に適用した場合の一実施例を示す図で
あり、第１図はその要部を示す断面図、第２図は
その往復動用密封機構の構成を示す断面図、第３
図はそのシールリツプを示す拡大断面図、第４図
はその突起形状を示す断面図、第５図はその作用
を説明する図、第６図はその変位に対する動フリ
クシヨン特性を示すグラフ、第７図はその動フリ
クシヨン低減効果を示すグラフ、第８，９図は従
来の往復動用密封機構を液圧緩衝器に適用した場
合を示す図であり、第８図はその第１の従来例を
示す図、第９図はその第２の従来例を示す図であ
る。
２８……往復動用密封機構、４５，４６……突
起（環状突起）。
1 to 7 are diagrams showing an embodiment of the reciprocating sealing mechanism according to the present invention applied to a hydraulic shock absorber. Third sectional view showing the configuration of the reciprocating sealing mechanism
Figure 4 is an enlarged sectional view showing the seal lip, Figure 4 is a sectional view showing its protrusion shape, Figure 5 is a diagram explaining its action, Figure 6 is a graph showing its dynamic friction characteristics with respect to displacement, and Figure 7. is a graph showing the effect of reducing dynamic friction, Figures 8 and 9 are diagrams showing the case where the conventional reciprocating sealing mechanism is applied to a hydraulic shock absorber, and Figure 8 is a diagram showing the first conventional example. , FIG. 9 is a diagram showing the second conventional example. 28... Reciprocating sealing mechanism, 45, 46... Protrusion (annular protrusion).
Claims (1)
対的に往復動可能に挿入された第２の部材との間
に設けられ、容器あるいは第２の部材の一方の軸
線を中心とし、該一方に接して摺動する円錐面状
に形成された摺動面を有する弾性体により形成さ
れたシール部材を備え、両者の往復動を許容しつ
つ容器を密封する往復動用密封機構において、前
記摺動面に摺動面の突出した一方の端部から所定
の間隔で配列するとともに、円環状に形成した複
数の環状突起を設けたことを特徴とする往復動用
密封機構。 (2) 前記環状突起の断面形状を半径がほぼ一定
の円弧状に形成するとともに、高さに対して幅を
２倍以上に形成したことを特徴とする実用新案登
録請求の範囲第１項記載の往復動用密封機構。[Claims for Utility Model Registration] (1) Provided between a container containing a predetermined fluid and a second member inserted into the container so as to be movable relative to the container, the container or the second member The container is provided with a sealing member formed of an elastic body having a sliding surface formed in a conical shape that slides in contact with one axis of the container, and seals the container while allowing reciprocating movement between the two. A sealing mechanism for reciprocating motion, characterized in that the sliding surface is provided with a plurality of annular protrusions arranged at predetermined intervals from one protruding end of the sliding surface and formed in an annular shape. Sealing mechanism. (2) Claim 1 of the utility model registration claim characterized in that the cross-sectional shape of the annular protrusion is formed into an arc shape with a substantially constant radius, and the width is more than twice the height. Sealing mechanism for reciprocating motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988020894U JPH0736210Y2 (en) | 1988-02-19 | 1988-02-19 | Reciprocating sealing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988020894U JPH0736210Y2 (en) | 1988-02-19 | 1988-02-19 | Reciprocating sealing mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01124468U true JPH01124468U (en) | 1989-08-24 |
| JPH0736210Y2 JPH0736210Y2 (en) | 1995-08-16 |
Family
ID=31237646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988020894U Expired - Lifetime JPH0736210Y2 (en) | 1988-02-19 | 1988-02-19 | Reciprocating sealing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0736210Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0522948U (en) * | 1991-09-03 | 1993-03-26 | エヌオーケー株式会社 | Sealing device |
| JP2013050179A (en) * | 2011-08-31 | 2013-03-14 | Nok Corp | Sealing device |
| WO2020044973A1 (en) * | 2018-08-29 | 2020-03-05 | 日立オートモティブシステムズ株式会社 | Shock absorber |
-
1988
- 1988-02-19 JP JP1988020894U patent/JPH0736210Y2/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0522948U (en) * | 1991-09-03 | 1993-03-26 | エヌオーケー株式会社 | Sealing device |
| JP2013050179A (en) * | 2011-08-31 | 2013-03-14 | Nok Corp | Sealing device |
| WO2020044973A1 (en) * | 2018-08-29 | 2020-03-05 | 日立オートモティブシステムズ株式会社 | Shock absorber |
| CN112771284A (en) * | 2018-08-29 | 2021-05-07 | 日立安斯泰莫株式会社 | Buffer device |
| JPWO2020044973A1 (en) * | 2018-08-29 | 2021-05-13 | 日立Astemo株式会社 | Buffer |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0736210Y2 (en) | 1995-08-16 |
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