JPS63201232U - - Google Patents
Info
- Publication number
- JPS63201232U JPS63201232U JP9136887U JP9136887U JPS63201232U JP S63201232 U JPS63201232 U JP S63201232U JP 9136887 U JP9136887 U JP 9136887U JP 9136887 U JP9136887 U JP 9136887U JP S63201232 U JPS63201232 U JP S63201232U
- Authority
- JP
- Japan
- Prior art keywords
- free piston
- shock absorber
- permanent magnet
- foreign matter
- view
- 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
Landscapes
- Fluid-Damping Devices (AREA)
Description
第１図は本考案の第１実施例に係るフリーピス
トン付シヨツクアブソーバの要部断面図、第２図
は第１図の部分拡大断面図、第３図は第１図にお
けるフリーピストンの拡大断面図、第４図は本考
案の第２実施例に係るフリーピストン付シヨツク
アブソーバにおけるフリーピストンの断面図、第
５図は本考案の第３実施例に係るフリーピストン
付シヨツクアブソーバにおけるフリーピストンの
断面図、第６図は本考案の第４実施例に係るフリ
ーピストン付シヨツクアブソーバにおけるフリー
ピストンの断面図、第７図は本考案の第５実施例
に係るフリーピストン付シヨツクアブソーバにお
けるフリーピストンの断面図、第８図は本考案の
第６実施例に係るフリーピストン付シヨツクアブ
ソーバにおけるフリーピストンの断面図、第９図
は第８図における永久磁石の分解斜視図、第１０
図は第８図の部分拡大断面図、第１１図は本考案
の第７実施例に係るフリーピストン付シヨツクア
ブソーバにおけるフリーピストンの断面図、第１
２図は第１１図における異物かきとりスカートの
斜視図、第１３図は本考案の第８実施例に係るフ
リーピストン付シヨツクアブソーバにおけるフリ
ーピストンの断面図、第１４図は本考案の第９実
施例に係るフリーピストン付シヨツクアブソーバ
におけるフリーピストンの断面図、第１５図はフ
リーピストンの中央に永久磁石を配置したフリー
ピストン付シヨツクアブソーバの断面図、第１６
図は第１５図おけるフリーピストンの拡大断面図
、第１７図は第１５図の部分拡大断面図、第１８
図は第１６図の変形例を示したフリーピストンの
拡大断面図、である。
２……ピストンバルブ、３……インナシエル、
６……ベースバルブ、７……アウタシエル、１０
，３１，４１，５１，６１，７１，８１，９１…
…フリーピストン、１１……油室、１２……ガス
室、１３，３２，４３，５２，６４，７２，８２
，９２……凹部、１４，２１，４２，６３，７４
，８３，９４……永久磁石（異物捕捉手段）、１
５……シール部材、７３，９３……異物かき取り
スカート（異物捕捉手段）、８５……異物捕捉溝
（異物捕捉手段）、Ａ……作動油、Ｂ……鉄系異
物、Ｃ……非鉄系異物。
FIG. 1 is a sectional view of essential parts of a shock absorber with a free piston according to a first embodiment of the present invention, FIG. 2 is a partially enlarged sectional view of FIG. 1, and FIG. 3 is an enlarged sectional view of the free piston in FIG. 1. 4 is a cross-sectional view of a free piston in a shock absorber with a free piston according to a second embodiment of the present invention, and FIG. 5 is a cross-sectional view of a free piston in a shock absorber with a free piston according to a third embodiment of the present invention. 6 is a cross-sectional view of a free piston in a shock absorber with a free piston according to a fourth embodiment of the present invention, and FIG. 7 is a cross-sectional view of a free piston in a shock absorber with a free piston according to a fifth embodiment of the present invention. 8 is a sectional view of a free piston in a shock absorber with a free piston according to a sixth embodiment of the present invention, FIG. 9 is an exploded perspective view of the permanent magnet in FIG. 8, and FIG.
The figure is a partial enlarged sectional view of FIG. 8, and FIG.
2 is a perspective view of the foreign matter scraping skirt in FIG. 11, FIG. 13 is a sectional view of the free piston in a shock absorber with a free piston according to the eighth embodiment of the present invention, and FIG. 14 is a ninth embodiment of the present invention. FIG. 15 is a sectional view of the free piston in the shock absorber with free piston according to the invention, and FIG.
The figure is an enlarged sectional view of the free piston in Fig. 15, Fig. 17 is a partially enlarged sectional view of Fig. 15, and Fig. 18 is an enlarged sectional view of the free piston in Fig. 15.
The figure is an enlarged cross-sectional view of the free piston showing a modification of FIG. 16. 2...Piston valve, 3...Inner shell,
6... Base valve, 7... Outer shell, 10
, 31, 41, 51, 61, 71, 81, 91...
...Free piston, 11...Oil chamber, 12...Gas chamber, 13, 32, 43, 52, 64, 72, 82
, 92... recess, 14, 21, 42, 63, 74
, 83, 94...Permanent magnet (foreign object capturing means), 1
5... Seal member, 73, 93... Foreign material scraping skirt (foreign material capturing means), 85... Foreign material capturing groove (foreign material capturing means), A... Hydraulic oil, B... Ferrous foreign material, C... Non-ferrous material Foreign matter.
Claims (1)
リーピストンにより油室とガス室とが区画された
フリーピストン付シヨツクアブソーバにおいて、
前記フリーピストンを上方に開口する有底筒状と
し、該フリーピストンの前記開口側の外周近傍に
、少なくとも永久磁石を有する異物捕捉手段を設
けたことを特徴とするフリーピストン付シヨツク
アブソーバ。 (2) 前記異物捕捉手段が、永久磁石と下端が該
永久磁石の近傍に固定され上端がアウタシエルの
内周面に摺接する異物かき取りスカートとから構
成されるフリーピストン付シヨツクアブソーバ。[Claims for Utility Model Registration] (1) A shock absorber with a free piston in which an oil chamber and a gas chamber are separated by a free piston slidably inserted into an outer shell,
A shock absorber with a free piston, characterized in that the free piston has a cylindrical shape with a bottom that opens upward, and a foreign matter capturing means having at least a permanent magnet is provided near the outer periphery of the free piston on the opening side. (2) A shock absorber with a free piston, in which the foreign matter capturing means includes a permanent magnet and a foreign matter scraping skirt whose lower end is fixed in the vicinity of the permanent magnet and whose upper end is in sliding contact with the inner circumferential surface of the outer shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9136887U JPS63201232U (en) | 1987-06-16 | 1987-06-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9136887U JPS63201232U (en) | 1987-06-16 | 1987-06-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63201232U true JPS63201232U (en) | 1988-12-26 |
Family
ID=30952088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9136887U Pending JPS63201232U (en) | 1987-06-16 | 1987-06-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63201232U (en) |
-
1987
- 1987-06-16 JP JP9136887U patent/JPS63201232U/ja active Pending