JPS62131163U - - Google Patents
Info
- Publication number
- JPS62131163U JPS62131163U JP1986018456U JP1845686U JPS62131163U JP S62131163 U JPS62131163 U JP S62131163U JP 1986018456 U JP1986018456 U JP 1986018456U JP 1845686 U JP1845686 U JP 1845686U JP S62131163 U JPS62131163 U JP S62131163U
- Authority
- JP
- Japan
- Prior art keywords
- circumferential surface
- cylinder head
- spring
- heel portion
- seal lip
- 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
- 238000012856 packing Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- 239000000428 dust Substances 0.000 description 1
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
Description
第１図は、本考案の一実施例の断面図、第２図
は、従来技術によるロツド用シールの一例の断面
図である。
１……ピストンロツド、２……シリンダーヘツ
ド、３……軸受、４……パツキン、５……シール
リツプ、６……ダストシール、７……ヒール部、
８……外向突起、９……環状凹所、１０……バツ
クアツプリング、１１……支持リング。
FIG. 1 is a sectional view of an embodiment of the present invention, and FIG. 2 is a sectional view of an example of a rod seal according to the prior art. 1... Piston rod, 2... Cylinder head, 3... Bearing, 4... Packing, 5... Seal lip, 6... Dust seal, 7... Heel part,
8... Outward projection, 9... Annular recess, 10... Backup spring, 11... Support ring.
Claims (1)
ピストンロツド１の周面と密封摺動するシールリ
ツプ５を有する弾性材料製パツキン４のヒール部
７と、前記シリンダーヘツド２に設けられた装着
溝の底周面との間に締め代を設定するとともに、
前記ヒール部７の内方に環状凹所９を設け、内周
側を円錐面に形成されたバツクアツプリング１０
を前記凹所９内に挿入し、合成樹脂材料をもつて
外周面を前記バツクアツプリング１０の内周面と
同等の円錐面に形成された支持リング１１を前記
バツクアツプリング１０及び前記シールリツプ５
の間に配置したことを特徴とするロツド用シール
。 A heel portion 7 of an elastic packing 4 having a seal lip 5 that seals and slides against the circumferential surface of the piston rod 1 that reciprocates through the cylinder head 2, and a bottom circumferential surface of a mounting groove provided in the cylinder head 2. In addition to setting a tightening margin between
A back-up spring 10 is provided with an annular recess 9 inside the heel portion 7 and has a conical inner circumferential surface.
is inserted into the recess 9, and a support ring 11 made of a synthetic resin material and having an outer circumferential surface formed into a conical surface equivalent to the inner circumferential surface of the back-up spring 10 is attached to the back-up ring 10 and the seal lip 5.
A rod seal characterized by being placed between the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986018456U JPH031661Y2 (en) | 1986-02-12 | 1986-02-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986018456U JPH031661Y2 (en) | 1986-02-12 | 1986-02-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62131163U true JPS62131163U (en) | 1987-08-19 |
| JPH031661Y2 JPH031661Y2 (en) | 1991-01-18 |
Family
ID=30812142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986018456U Expired JPH031661Y2 (en) | 1986-02-12 | 1986-02-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH031661Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0399278U (en) * | 1990-01-31 | 1991-10-16 |
-
1986
- 1986-02-12 JP JP1986018456U patent/JPH031661Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0399278U (en) * | 1990-01-31 | 1991-10-16 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH031661Y2 (en) | 1991-01-18 |
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