JP2591103Y2 - Cylinder fixing structure for shock absorber - Google Patents
Cylinder fixing structure for shock absorberInfo
- Publication number
- JP2591103Y2 JP2591103Y2 JP1993029435U JP2943593U JP2591103Y2 JP 2591103 Y2 JP2591103 Y2 JP 2591103Y2 JP 1993029435 U JP1993029435 U JP 1993029435U JP 2943593 U JP2943593 U JP 2943593U JP 2591103 Y2 JP2591103 Y2 JP 2591103Y2
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- collar
- shock absorber
- peripheral surface
- lid member
- 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.)
- Expired - Fee Related
Links
Landscapes
- Fluid-Damping Devices (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は車両等に用いる緩衝器の
シリンダの固定構造に関し、特にねじ込みタイプのシリ
ンダの緩みを防止する構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for fixing a cylinder of a shock absorber used for a vehicle or the like, and more particularly to a structure for preventing a screw-in type cylinder from being loosened.
【０００２】[0002]
【従来の技術】車両等に用いる緩衝器として、実公平５
−９５４６号公報に開示されているようにパイプ状のシ
リンダの外周にねじを形成し、このシリンダをタンクボ
ディの筒状取付け部に螺着したシリンダねじ込みタイプ
のものが知られている。従来、このような緩衝器におい
ては、シリンダが筒状取付け部に対して緩んで脱落する
ことなどを防止するために、図４に示すようにタンクボ
ディの筒状取付け部１０１とシリンダ１０２とを外部か
ら止めねじ１０３で結合したり、或いはロックナットを
用いている。2. Description of the Related Art As a shock absorber used for a vehicle or the like, Japanese Utility Model 5
As disclosed in Japanese Patent Application Publication No. 9546, there is known a cylinder screw-in type in which a screw is formed on the outer periphery of a pipe-shaped cylinder, and the cylinder is screwed to a cylindrical mounting portion of a tank body. Conventionally, in such a shock absorber, as shown in FIG. 4, the cylinder mounting portion 101 of the tank body and the cylinder 102 are connected to each other in order to prevent the cylinder from being loosened and falling off with respect to the cylindrical mounting portion. It is connected with a set screw 103 from the outside, or a lock nut is used.
【０００３】[0003]
【考案が解決しようとする課題】上述した従来の緩衝器
のように止めねじやロックナットでシリンダを固定する
構造にあっては、緩衝器の振動等によって止めねじやロ
ックナットが緩んだ場合には、シリンダが取付け部に対
して緩んで脱落等するおそれがあり、また止めねじによ
りシリンダの変形を来し、ピストンのストロークを大き
くとることができないことがある。In a structure in which a cylinder is fixed with a set screw or a lock nut as in the above-mentioned conventional shock absorber, when the set screw or the lock nut is loosened due to vibration of the shock absorber, etc. However, there is a possibility that the cylinder may be loosened from the mounting portion and fall off, or the set screw may cause deformation of the cylinder, so that the stroke of the piston may not be able to be increased.
【０００４】[0004]
【課題を解決するための手段】上記の課題を解決するた
め本考案は、シリンダ外周にカラーを嵌装し、このカラ
ーの外周に懸架ばねの一端を支承するスプリングシート
を回動自在に設け、更に蓋部材とカラーとの間に回り止
め手段を設け、カラーの内周面には段差部を形成して、
シリンダの外周面にカラーの段差部にて係止される抜け
止め部材を設けた。According to the present invention, a collar is fitted around the outer periphery of a cylinder, and a spring seat for supporting one end of a suspension spring is rotatably provided on the outer periphery of the collar. Furthermore, a detent means is provided between the lid member and the collar, and a step portion is formed on the inner peripheral surface of the collar,
A stopper member is provided on the outer peripheral surface of the cylinder to be locked at the step of the collar.
【０００５】[0005]
【作用】シリンダ外周に嵌装したカラーは懸架ばねの復
元力で蓋部材側に押し付けられて回り止め手段によって
蓋部材に対して回転せず、シリンダの外周にはカラーの
内周に形成した段差部で係止される抜け部材が設けられ
ているので、シリンダが蓋部材に対して緩んできた場
合、シリンダ外周に嵌装された抜け止め部材がカラー内
周面の段差部で係止されて、シリンダがそれ以上回転せ
ず、シリンダが蓋部材から抜けることがなくなる。The collar fitted to the outer periphery of the cylinder is pressed against the lid member by the restoring force of the suspension spring and does not rotate with respect to the lid member by the rotation preventing means. Since the release member locked by the part is provided, when the cylinder is loosened with respect to the lid member, the stopper member fitted to the outer periphery of the cylinder is locked by the step on the inner peripheral surface of the collar. The cylinder will rotate any further
Therefore , the cylinder does not come off from the lid member.
【０００６】[0006]
【実施例】以下に本考案の実施例を添付図面に基づいて
説明する。ここで、図１は本考案に係るシリンダ固定構
造を適用した緩衝器の半裁断面図、図２は同緩衝器の要
部断面図、図３は同緩衝器の要部正面図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the accompanying drawings. Here, FIG. 1 is a half sectional view of a shock absorber to which the cylinder fixing structure according to the present invention is applied, FIG. 2 is a sectional view of a main part of the shock absorber, and FIG. 3 is a front view of a main part of the shock absorber.
【０００７】図１において、シリンダ１内には一端開口
部側からキヤツプ２、ロツドガイド３、オイルシール４
及びリバウンドラバー５等を介してピストンロッドであ
る中空ロツド６を挿通している。中空ロツド６の上端部
にはシリンダ１内周面に摺接するピストン７を装着し
て、ピストン７には減衰力発生用の油路８及び図示しな
い油路を形成し、これらの油路８を開閉するバルブ９及
び図示しない油路を開閉するバルブ１０を装着してい
る。In FIG . 1, a cap 2, a rod guide 3, and an oil seal 4 are provided in a cylinder 1 from one end opening side.
A hollow rod 6 as a piston rod is inserted through a rebound rubber 5 and the like. At the upper end of the hollow rod 6, a piston 7 which is in sliding contact with the inner peripheral surface of the cylinder 1 is mounted, and an oil passage 8 for generating damping force and an oil passage (not shown) are formed in the piston 7, and these oil passages 8 are formed. A valve 9 for opening and closing and a valve 10 for opening and closing an oil passage (not shown) are mounted.
【０００８】また、中空ロッド６の下端部には車軸を取
付けるための車軸取付け部材１２を装着し、この車軸取
付け部材１２の上側にスプリングシート１３を配設し、
このスプリングシート１３上にストツパラバー１４を取
付けている。一方シリンダ１の他端開口部側は蓋部材１
６を螺着し、この蓋部材１６の連結部１７にサブタンク
１８を連結するとともに、車体側に取付けるための車体
取付け部１９を一体形成している。An axle mounting member 12 for mounting an axle is mounted on the lower end of the hollow rod 6, and a spring seat 13 is disposed above the axle mounting member 12.
A stop bar 14 is mounted on the spring seat 13. On the other hand, the other end opening side of the cylinder 1 is a lid member 1.
6, a sub-tank 18 is connected to a connecting portion 17 of the lid member 16, and a vehicle body mounting portion 19 for mounting on the vehicle body side is integrally formed.
【０００９】図２において、シリンダ１上端部外周には
カラー２０を嵌装し、このカラー２０の外周にはねじ２
１を形成し、このねじ２１にスプリングシート２２を螺
着して、ロックナット２３にてロックするようにし、ス
プリングシート２２と前記スプリングシート１３（図１
参照）との間に懸架ばね２４を介設している。In FIG . 2, a collar 20 is fitted around the upper end of the cylinder 1 and a screw 2 is fitted around the collar 20.
1 and a spring seat 22 is screwed onto the screw 21 and locked by a lock nut 23. The spring seat 22 and the spring seat 13 (FIG. 1)
) Is interposed between the suspension spring 24 and the suspension spring 24.
【００１０】図３において、蓋部材１６の下端面側に突
起２６を一体的に形成し、カラー２０の上端部側には蓋
部材１６の突起２６が係合する切り欠き２７を形成し
て、これらの突起２６及び切り欠き２７でカラー２０の
蓋部材１６に対する回転を規制する回り止め手段を構成
している。In FIG . 3, a projection 26 is integrally formed on the lower end surface side of the lid member 16 and a notch 27 with which the projection 26 of the lid member 16 is engaged is formed on the upper end side of the collar 20. The protrusion 26 and the notch 27 constitute a rotation preventing means for restricting the rotation of the collar 20 with respect to the lid member 16.
【００１１】更に、図２において、カラー２０の蓋部材
１６側端部内周面に拡径部２８を形成することでカラー
２０内周面に段差部を形成して、シリンダ１の外周面に
カラー２０の拡径部２８終端の段差部にて係止される抜
け止め部材であるストッパリング２９を嵌装している。
尚、抜け止め部材はストッパリング２９に限らない。Further, in FIG. 2, a stepped portion is formed on the inner peripheral surface of the collar 20 by forming an enlarged diameter portion 28 on the inner peripheral surface of the end of the collar 20 on the lid member 16 side. A stopper ring 29, which is a retaining member that is locked at a step portion at the end of the enlarged diameter portion 28 of 20, is fitted.
The retaining member is not limited to the stopper ring 29.
【００１２】以上のように構成した緩衝器においては、
シリンダ１外周に嵌装したカラー２０は懸架ばね２４の
復元力によって蓋部材１６側に押し付けられており、蓋
部材１６の突起２６（図３参照）とカラー２０の切り欠
き２７（図３参照）が係合しているので、カラー２０は
蓋部材１６に対して回転することができない。In the shock absorber constructed as described above,
The collar 20 fitted on the outer periphery of the cylinder 1 is pressed against the lid member 16 by the restoring force of the suspension spring 24, and the projection 26 of the lid member 16 (see FIG. 3) and the notch 27 of the collar 20 (see FIG. 3). Are engaged, the collar 20 cannot rotate with respect to the lid member 16.
【００１３】したがって、緩衝器の振動等によってシリ
ンダ１が蓋部材１６に対してねじ込みが緩んできたよう
な場合、シリンダ１外周面に嵌装したストッパリング２
９がカラー２０内周面と拡径部２８内周面との段差部で
係止されるので、それ以上シリンダ１が回転して緩むこ
とが防止される。Therefore, when the cylinder 1 is loosely screwed into the cover member 16 due to vibration of the shock absorber or the like, the stopper ring 2 fitted on the outer peripheral surface of the cylinder 1
9 is locked at the step between the inner peripheral surface of the collar 20 and the inner peripheral surface of the enlarged diameter portion 28 , so that the cylinder 1 is prevented from rotating and loosening any further.
【００１４】尚、上記実施例において、懸架スプリング
２４のばね荷重を受けるカラー２０は蓋部材１６の端面
にて支持されているが、ストッパリング２９に支持され
るようにしてもよい。又カラー２０の外周にねじ２１を
形成する代りにカム面を形成し、スプリングシート側に
このカム面に係合するカムを設けるようにしてもよい。In the above embodiment, the collar 20 receiving the spring load of the suspension spring 24 is supported by the end face of the lid member 16, but may be supported by a stopper ring 29. Instead of forming the screw 21 on the outer periphery of the collar 20 , a cam surface may be formed, and a cam engaging with this cam surface may be provided on the spring seat side.
【００１５】[0015]
【考案の効果】以上に説明したように本考案によれば、
シリンダ外周にカラーを嵌装し、このカラーの外周に懸
架ばねの一端を支承するスプリングシートを回動自在に
設け、更に蓋部材とカラーとの間に回り止め手段を設
け、カラーの内周面には段差部を形成して、シリンダの
外周面にカラーの段差部にて係止される抜け止め部材を
設けたので、蓋部材に螺着したシリンダが緩んで抜ける
ことを確実に防止でき、しかも止めねじを用いた場合の
ようにシリンダの変形を来すことがなく、ピストンスト
ロークを大きくとることができる。[Effects of the Invention] As described above, according to the present invention,
A collar is fitted around the outer periphery of the cylinder, a spring seat for supporting one end of a suspension spring is rotatably provided on the outer periphery of the collar, and a detent means is provided between the lid member and the collar, and an inner peripheral surface of the collar is provided. Since a stepped portion is formed and a stopper member is provided on the outer peripheral surface of the cylinder to be locked by the stepped portion of the collar, the cylinder screwed to the lid member can be securely prevented from coming off loosely. Moreover, unlike the case where a set screw is used, the cylinder is not deformed, and the piston stroke can be increased.
【図１】本考案に係るシリンダ固定構造を適用した緩衝
器の半裁断面図FIG. 1 is a half sectional view of a shock absorber to which a cylinder fixing structure according to the present invention is applied.
【図２】同緩衝器の要部断面図FIG. 2 is a sectional view of a main part of the shock absorber.
【図３】同緩衝器の要部正面図FIG. 3 is a front view of a main part of the shock absorber.
【図４】従来の緩衝器の要部断面図FIG. 4 is a sectional view of a main part of a conventional shock absorber.
【符号の説明】 １…シリンダ、６…中空ロッド（ピストンロッド）、７
…ピストン、１６…蓋部材、２０…カラー２１…ねじ、
２２…スプリングシート、２３…ロックナット、２４…
懸架ばね、２６…回り止め手段をなす突起、２７…回り
止め手段をなす切り欠き、２８…カラー内周面の拡径
部、２９…抜け止め部材（ストッパリング）。[Description of Signs] 1 ... Cylinder, 6 ... Hollow rod (piston rod) , 7
... piston, 16 ... lid member, 20 ... collar 21 ... screw,
22 ... spring seat, 23 ... lock nut, 24 ...
Suspension springs, 26: projections forming detent means, 27: notches forming detent means, 28: enlarged diameter portion of collar inner peripheral surface, 29: retaining member (stopper ring) .
Claims (3)
ストンロッド先端部にシリンダ内周面に摺接するピスト
ンを装着し、前記シリンダの他端開口部には蓋部材を螺
着し、前記シリンダと前記ピストンロッドとの間に懸架
ばねを介設した緩衝器において、前記シリンダ外周には
カラーが嵌装され、このカラーの外周に前記懸架ばねの
一端を支承するスプリングシートが回動自在に設けら
れ、更に前記蓋部材とカラーとの間に回り止め手段が設
けられ、前記カラーの内周面には段差部が形成されて、
前記シリンダの外周面に前記カラーの段差部にて係止さ
れる抜け止め部材が設けられていることを特徴とする緩
衝器のシリンダ固定構造。1. A piston that slides in contact with an inner peripheral surface of a cylinder is mounted on a distal end portion of a piston rod inserted from one end opening side of a cylinder, and a lid member is screwed onto the other end opening of the cylinder, and the cylinder is connected to the cylinder. In a shock absorber having a suspension spring interposed between the piston rod and a collar, a collar is fitted around the cylinder, and a spring seat for supporting one end of the suspension spring is rotatably provided on the outer periphery of the collar. Further, a detent means is provided between the lid member and the collar, and a step portion is formed on an inner peripheral surface of the collar,
A cylinder fixing structure for a shock absorber, wherein a stopper member is provided on an outer peripheral surface of the cylinder so as to be locked by a step portion of the collar.
着したストッパリングであることを特徴とする請求項１
に記載の緩衝器のシリンダ固定構造。2. The stopper member according to claim 1, wherein the stopper member is a stopper ring fitted on an outer peripheral surface of the cylinder.
3. The cylinder fixing structure of the shock absorber according to 1.
このねじにスプリングシートが回動自在に螺着されてい
ることを特徴とする請求項１又は２に記載の緩衝器のシ
リンダ固定構造。3. A screw is engraved on an outer periphery of the collar,
The cylinder fixing structure for a shock absorber according to claim 1 or 2, wherein a spring seat is rotatably screwed to the screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993029435U JP2591103Y2 (en) | 1993-06-02 | 1993-06-02 | Cylinder fixing structure for shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993029435U JP2591103Y2 (en) | 1993-06-02 | 1993-06-02 | Cylinder fixing structure for shock absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0687743U JPH0687743U (en) | 1994-12-22 |
| JP2591103Y2 true JP2591103Y2 (en) | 1999-02-24 |
Family
ID=12276066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1993029435U Expired - Fee Related JP2591103Y2 (en) | 1993-06-02 | 1993-06-02 | Cylinder fixing structure for shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2591103Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3786477B1 (en) | 2018-04-26 | 2023-06-28 | Hitachi Astemo, Ltd. | Shock absorber |
-
1993
- 1993-06-02 JP JP1993029435U patent/JP2591103Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0687743U (en) | 1994-12-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0105232B1 (en) | Strut suspension for an automotive vehicle | |
| JP3770435B2 (en) | Cylindrical shock absorber with cover | |
| GB2374914A (en) | Dust cover attaching structure for hydraulic damper | |
| JP2591103Y2 (en) | Cylinder fixing structure for shock absorber | |
| JP2591093Y2 (en) | Cylinder fixing structure for shock absorber | |
| JP3989058B2 (en) | Dust cover mounting structure | |
| KR200291098Y1 (en) | A shock absorber for a car | |
| JPH07280020A (en) | Vehicle height adjustment device of buffer | |
| JP3998277B2 (en) | Motorcycle front fork | |
| JP3874385B2 (en) | Front fork | |
| JP2000266102A (en) | Dust cover installing structure of strut damper | |
| JPH03194231A (en) | Buffer | |
| JP2002031181A (en) | Dust cover mounting structure for hydraulic damper | |
| JPS5819399Y2 (en) | Motorcycle shock absorber | |
| JPH0724671Y2 (en) | Hydraulic shock absorber | |
| JPH0212341Y2 (en) | ||
| JPS6326306Y2 (en) | ||
| JP2581703Y2 (en) | Front fork | |
| JP3821248B2 (en) | Front fork holder fixing structure | |
| JPH0522657Y2 (en) | ||
| JP2000161488A (en) | Cylinder device | |
| JP2558160Y2 (en) | Front fork | |
| JPH0139202Y2 (en) | ||
| JPH0842621A (en) | Shock absorber | |
| US6308974B1 (en) | Suspension system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19981204 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |