JPS6396375U - - Google Patents
Info
- Publication number
- JPS6396375U JPS6396375U JP19150786U JP19150786U JPS6396375U JP S6396375 U JPS6396375 U JP S6396375U JP 19150786 U JP19150786 U JP 19150786U JP 19150786 U JP19150786 U JP 19150786U JP S6396375 U JPS6396375 U JP S6396375U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- circumferential surface
- outer circumferential
- plunger
- sealing device
- 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 9
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 description 3
Landscapes
- Gasket Seals (AREA)
- Diaphragms And Bellows (AREA)
Description
第１図はこの考案による密封装置の断面図、第
２図はこの考案による密封装置の要部の拡大断面
図、第３図は従来の密封装置の断面図、第４図は
従来の密封装置の要部の拡大断面図である。
１，１１……シリンダ、１ａ，１１ａ……段部
、２，１２……プランジヤ、２ａ，１２ａ……突
出部、３，１３……補強軸、３ａ，１３ａ……補
強軸脚部、４，１４……シール部材、４ａ，１４
ａ……内周側先端部、４ｃ，１４ｃ……外周側先
端部、５，１５……補強環、６，７……亀裂、１
３ｂ……補強軸脚部先端面、１３ｃ……補強軸脚
部外周面、１４ｂ，１４ｄ……接合部。
Fig. 1 is a sectional view of the sealing device according to this invention, Fig. 2 is an enlarged sectional view of the main parts of the sealing device according to this invention, Fig. 3 is a sectional view of a conventional sealing device, and Fig. 4 is a conventional sealing device. FIG. 1, 11...Cylinder, 1a, 11a...Step part, 2, 12...Plunger, 2a, 12a...Protrusion part, 3, 13...Reinforcement shaft, 3a, 13a...Reinforcement shaft leg part, 4, 14... Seal member, 4a, 14
a... Inner circumference side tip, 4c, 14c... Outer circumference side tip, 5, 15... Reinforcement ring, 6, 7... Crack, 1
3b...Distal end surface of the reinforcing shaft leg, 13c...Outer peripheral surface of the reinforcing shaft leg, 14b, 14d...Joint portion.
Claims (1)
れるとともに、シリンダ１に対して相対運動する
プランジヤ２との間を密封する密封装置であつて
、該密封装置は、前記プランジヤ２に連設される
とともに、先端が丸くなつている脚部３ａが設け
られた補強軸３と、断面がＵ字状をなして環状と
なつているとともに、内周側先端部４ａおよび外
周側先端部４ｃが肉厚となつているシール部材４
と、補強環５とを具え、前記シール部材４の内周
側先端部４ａの内部に、前記補強軸３の脚部３ａ
が埋設されているとともに、前記内周側先端部４
ａの内周面が前記プランジヤ２の周面に密着し、
また、前記外周側先端部４ｃに前記補強環５が埋
設され、外周側先端部４ｃの外周面が前記補強環
５によつて前記シリンダ１の内周面に押圧密着さ
れていることを特徴とする密封装置。 A sealing device that seals between a cylinder 1 and a plunger 2 that is provided inside the cylinder 1 and moves relative to the cylinder 1, the sealing device being connected to the plunger 2 and , the reinforcing shaft 3 is provided with a leg portion 3a having a rounded tip, the cross section is U-shaped and annular, and the inner circumferential side tip portion 4a and the outer circumferential side tip portion 4c are thick. Sealing member 4
and a reinforcing ring 5, and a leg portion 3a of the reinforcing shaft 3 is provided inside the inner peripheral side tip portion 4a of the sealing member 4.
is buried therein, and the inner peripheral side tip portion 4
The inner circumferential surface of a is in close contact with the circumferential surface of the plunger 2,
Further, the reinforcing ring 5 is embedded in the outer circumferential tip 4c, and the outer circumferential surface of the outer circumferential tip 4c is tightly pressed against the inner circumferential surface of the cylinder 1 by the reinforcing ring 5. Sealing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986191507U JPH0356690Y2 (en) | 1986-12-12 | 1986-12-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986191507U JPH0356690Y2 (en) | 1986-12-12 | 1986-12-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6396375U true JPS6396375U (en) | 1988-06-22 |
| JPH0356690Y2 JPH0356690Y2 (en) | 1991-12-20 |
Family
ID=31145715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986191507U Expired JPH0356690Y2 (en) | 1986-12-12 | 1986-12-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0356690Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4945247A (en) * | 1972-07-21 | 1974-04-30 |
-
1986
- 1986-12-12 JP JP1986191507U patent/JPH0356690Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4945247A (en) * | 1972-07-21 | 1974-04-30 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0356690Y2 (en) | 1991-12-20 |