JPH0752424Y2 - Seal cap mounting structure - Google Patents
Seal cap mounting structureInfo
- Publication number
- JPH0752424Y2 JPH0752424Y2 JP3419689U JP3419689U JPH0752424Y2 JP H0752424 Y2 JPH0752424 Y2 JP H0752424Y2 JP 3419689 U JP3419689 U JP 3419689U JP 3419689 U JP3419689 U JP 3419689U JP H0752424 Y2 JPH0752424 Y2 JP H0752424Y2
- Authority
- JP
- Japan
- Prior art keywords
- seal cap
- mounting structure
- seal
- slide bearing
- cap mounting
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/045—Pivotal connections with at least a pair of arms pivoting relatively to at least one other arm, all arms being mounted on one pin
Landscapes
- Axle Suspensions And Sidecars For Cycles (AREA)
- Pivots And Pivotal Connections (AREA)
Description
【考案の詳細な説明】 （産業上の利用分野） 本考案はシールキャップの取付構造に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a seal cap mounting structure.
（従来の技術） 滑り軸受で軸を枢支した箇所をシールキャップで覆うよ
うにしたシール構造は種々の装置や機構部分に用いられ
ている。(Prior Art) A seal structure in which a portion where a shaft is pivotally supported by a slide bearing is covered with a seal cap is used in various devices and mechanical parts.
例えば、特開昭57−26070号公報の第３図にはこのシー
ル構造を自動二輪車の前輪懸架装置に用いた構造が開示
されている。For example, FIG. 3 of JP-A-57-26070 discloses a structure in which this seal structure is used in a front wheel suspension system of a motorcycle.
この例ではシール材とシールキャップが一体型のものを
用いているが、従来ではこの公報の第３図に開示される
ように、シールキャップの位置決め保持を、単にシール
材の滑り軸受側或は軸側への弾性力の反力で行なってい
るのみである。In this example, the seal material and the seal cap are integrated, but in the prior art, as disclosed in FIG. 3 of this publication, the positioning and holding of the seal cap is simply performed on the slide bearing side of the seal material or on the slide bearing side. Only the reaction force of the elastic force on the shaft side is used.
（考案が解決しようとする課題） そのため、従来の取付構造ではシールキャップにがたつ
きが生じ易く、また、容易に組付けを行えず、分解・解
体時等にシールキャップが脱落し易い等の不具合があっ
た。(Problems to be solved by the invention) Therefore, in the conventional mounting structure, the seal cap is apt to rattle, and the assembly cannot be easily assembled, and the seal cap is likely to come off when disassembled or disassembled. There was a problem.
本考案は前記事情に鑑み案出されたものであって、本考
案の目的は、簡易な構造でシールキャップのがたつきを
防止でき、容易に組付けを行なえ、分解・解体時等の際
のシールキャップの脱落を防止できるシールキャップの
取付構造を提供することにある。The present invention has been devised in view of the above circumstances, and an object of the present invention is to prevent rattling of the seal cap with a simple structure, to easily assemble, and to disassemble or disassemble. (EN) Provided is a seal cap mounting structure capable of preventing the seal cap from falling off.
（課題を解決するための手段） 前記目的を達成するための本考案の構成を実施例に対応
する第１図乃至第４図を参照して説明する。(Means for Solving the Problems) A configuration of the present invention for achieving the above-mentioned object will be described with reference to FIGS. 1 to 4 corresponding to the embodiments.
本考案は、滑り軸受13で軸27を枢支した箇所を覆うシー
ルキャップ25の取付構造であって、滑り軸受13の周方向
に間隔をおいた複数箇所に、該滑り軸受13の径方向に弾
性変形可能でシールキャップ25に係止する係止部31を一
体に形成したことを特徴とする。The present invention is a mounting structure of a seal cap 25 which covers a portion where the shaft 27 is pivotally supported by the slide bearing 13, and which is arranged at a plurality of positions spaced in the circumferential direction of the slide bearing 13 in the radial direction of the slide bearing 13. It is characterized in that an engaging portion 31 which is elastically deformable and engages with the seal cap 25 is integrally formed.
（作用） 係止部31がシールキャップ25に係止するので、シールキ
ャップ25のがたつきを防止でき、また、シールキャップ
25を容易に組付けでき、分解・解体時等の際のシールキ
ャップ25の脱落を防止できる。(Operation) Since the locking portion 31 is locked to the seal cap 25, rattling of the seal cap 25 can be prevented, and the seal cap 25 can be prevented.
25 can be easily assembled, and the seal cap 25 can be prevented from falling off when disassembling or disassembling.
（実施例） 以下、本考案の実施例を自動二輪車のボトムリンク式フ
ロントフォーク装置に適用した場合について説明する。(Example) Hereinafter, the case where the example of the present invention is applied to a bottom link type front fork device of a motorcycle will be described.
第１図は自動二輪車の前輪部分の側面図、第２図は第１
図のII−II線断面図、第３図は第２図のIII−III線断面
図、第４図は凹溝部分の拡大図を示す。FIG. 1 is a side view of a front wheel portion of a motorcycle, and FIG.
FIG. 2 is a sectional view taken along line II-II in FIG. 3, FIG. 3 is a sectional view taken along line III-III in FIG. 2, and FIG.
１は自動二輪車の前輪、３はフォークパイプ、５はフォ
ークパイプ３に摺動可能に嵌装されたクッションロッド
で、フォークパイプ３の下部から斜め後方にホルダーア
ーム７を突設し、ホルダーアーム７の下端にピボットア
ーム９を枢支し、その先端とクッションロッド５とを車
軸受を兼ねる枢着部11を介して連結し、フォークパイプ
３内のクッションスプリングで車体の上下動を緩衝する
ように構成する。Reference numeral 1 is a front wheel of a motorcycle, 3 is a fork pipe, and 5 is a cushion rod slidably fitted to the fork pipe 3. A holder arm 7 is provided so as to project obliquely rearward from a lower portion of the fork pipe 3, and a holder arm 7 is provided. The pivot arm 9 is pivotally supported at the lower end of the vehicle body, and the tip end of the pivot arm 9 is connected to the cushion rod 5 via a pivotally-attaching portion 11 that also serves as a car bearing. Constitute.
ホルダーアーム７とピボットアーム９の枢支部に本考案
を適用しており、この枢支部につい説明すると、第２図
に示すように、ピボットアーム９は左右のアーム片9Aで
構成され、ホルダーアーム７の下端の軸受部7Aは両アー
ム片9Aの間に位置している。The present invention is applied to the pivotal support portions of the holder arm 7 and the pivot arm 9. This pivotal support portion will be described. As shown in FIG. 2, the pivot arm 9 is composed of left and right arm pieces 9A. The bearing portion 7A at the lower end of is located between both arm pieces 9A.
ホルダーアーム７の軸受部7Aにはその軸受孔7Bの両端か
ら夫々鍔付きの滑り軸受13を圧入する。実施例では滑り
軸受13はポリアセタール樹脂製である。滑り軸受13の内
端間には隙間15を確保し、隙間15にグリースを充填し、
前記両滑り軸受13の軸受孔13Bにディスタンスカラー17
を挿入する。A plain bearing 13 with a collar is press-fitted into the bearing portion 7A of the holder arm 7 from both ends of the bearing hole 7B. In the embodiment, the plain bearing 13 is made of polyacetal resin. A gap 15 is secured between the inner ends of the plain bearing 13, and the gap 15 is filled with grease,
The distance collar 17 is provided in the bearing hole 13B of the both plain bearings 13.
Insert.
滑り軸受13の鍔部19の外端面19Aには凹溝21を形成し、
凹溝21にシール材23を装入し、シール材23をシールキャ
ップ25で覆う。A groove 21 is formed on the outer end surface 19A of the collar portion 19 of the plain bearing 13,
A seal material 23 is inserted into the groove 21, and the seal material 23 is covered with a seal cap 25.
そして、ディスタンスカラー17にボルト27を挿通し、ナ
ット29により左右のアーム片9Aとシールキャップ25の内
周部分とディスタンスカラー17とを締め付け固定する。Then, the bolt 27 is inserted through the distance collar 17, and the left and right arm pieces 9A and the inner peripheral portions of the seal cap 25 and the distance collar 17 are fastened and fixed by the nut 29.
シールキャップ25の取付構造をシール構造と共に詳細に
説明すると、第４図に示すように、前記凹溝21は内周壁
部21Aと、底壁部21Bと、円筒壁部21Cとからなる。The mounting structure of the seal cap 25 will be described in detail together with the sealing structure. As shown in FIG. 4, the groove 21 includes an inner peripheral wall portion 21A, a bottom wall portion 21B, and a cylindrical wall portion 21C.
円筒壁部21Cには第３図及び第４図に示すように、周方
向に所定間隔をおいて径方向に弾性変形可能な三つの爪
片31を形成する。この実施例ではスリット33により爪片
31を円筒壁部21Cから切り離すことで弾性変形可能に構
成しているが、例えば、スリット33に変え、肉厚を薄く
すること等によって弾性変形可能な爪片31を形成しても
よい。As shown in FIGS. 3 and 4, the cylindrical wall portion 21C is formed with three claw pieces 31 which are elastically deformable in the radial direction at predetermined intervals in the circumferential direction. In this embodiment, the slit 33 causes the nail piece to
Although the elastic member 31 is configured to be elastically deformable by separating it from the cylindrical wall portion 21C, the elastically deformable claw piece 31 may be formed by, for example, changing to the slit 33 and reducing the wall thickness.
前記爪片31の先端には径内方に突出する突部31Aを形成
し、実施例ではこの突部31Aを有する爪片31が係止部に
相当している。A projection 31A is formed at the tip of the claw piece 31 so as to project radially inward. In the embodiment, the claw piece 31 having the projection 31A corresponds to a locking portion.
シール材23は第４図に示すように、その内周部23Aを内
周壁部21Aに嵌合し、先端面を底壁部21Bに接触させ、リ
ップ部23Bを斜め外方に向けて凹溝21に組み込む。As shown in FIG. 4, the sealing material 23 has its inner peripheral portion 23A fitted to the inner peripheral wall portion 21A, its front end surface brought into contact with the bottom wall portion 21B, and the lip portion 23B slanted outward to form a concave groove. Built into 21.
シールキャップ25はボルト挿通用孔35が形成された環状
の端面部25Aと、湾曲面部25Bを介して端面部25Aに連続
する円筒面部25Cからなる。The seal cap 25 includes an annular end surface portion 25A in which a bolt insertion hole 35 is formed, and a cylindrical surface portion 25C continuous with the end surface portion 25A via a curved surface portion 25B.
シールキャップ25はボルト挿通用孔35にボルト27を挿通
させ、端面部25Aと鍔部19の外端面19Aとの間及び円筒面
部25Cと円筒壁部21Cとの間に夫々所定の隙間37,39を確
保して臨ませ、湾曲面部25Bの内側に前記リップ部23Bを
弾接させ凹溝21に組み込み、組み込んだ状態で該シール
キャップ25の端面部25A側、実施例は湾曲面部25Bに突部
31Aが係止するように形成する。In the seal cap 25, the bolt 27 is inserted into the bolt insertion hole 35, and the predetermined gaps 37 and 39 are provided between the end surface portion 25A and the outer end surface 19A of the flange portion 19 and between the cylindrical surface portion 25C and the cylindrical wall portion 21C. , The lip portion 23B is elastically contacted with the inside of the curved surface portion 25B and incorporated into the concave groove 21, and the end surface portion 25A side of the seal cap 25 in the assembled state, the embodiment is a protrusion on the curved surface portion 25B.
31A is formed so as to be locked.
本実施例では前記のように構成したので、水や塵埃等の
滑り軸受13の軸受孔13Bへの侵入は、リップ部23Bと湾曲
面部25Bの弾接により阻止され、また、円筒面部25Cと円
筒壁部21Cにより奏されるラビリンス効果により阻止さ
れる。Since the present embodiment is configured as described above, intrusion of water, dust, etc., into the bearing hole 13B of the sliding bearing 13 is prevented by elastic contact between the lip portion 23B and the curved surface portion 25B, and the cylindrical surface portion 25C and the cylinder. It is prevented by the labyrinth effect exerted by the wall portion 21C.
また、シールキャップ25の組付けは、単にその円筒面部
25Cを凹溝21に装入することで、爪片31の突部31Aで位置
決めされ滑り軸受13側に係止されるので、容易に行なう
ことができ、例えば組付後のシールキャップ25のかしめ
付け作業等を省ける。In addition, the assembly of the seal cap 25 is simply performed on the cylindrical surface portion.
By inserting 25C into the concave groove 21, the protrusion 31A of the claw piece 31 is positioned and locked to the slide bearing 13 side, so that it can be easily performed, for example, by caulking the seal cap 25 after assembly. Eliminates attachment work.
そして、突部31Aがシールキャップ25の湾曲面部25Bに係
止することで、シールキャップ25のがたつきを防止で
き、また、分解・解体時等の際のシールキャップ25やシ
ール材23の脱落を防止でき、以上の効果を滑り軸受13に
一体に形成した簡易な爪片31で容易に達成できる。Then, the protrusion 31A is locked to the curved surface portion 25B of the seal cap 25 to prevent rattling of the seal cap 25, and the seal cap 25 and the seal material 23 are detached when disassembling / disassembling. The above effect can be easily achieved by the simple claw piece 31 formed integrally with the slide bearing 13.
また、スラスト受面である滑り軸受13の外端面19Aにシ
ール材23を配設したにも拘らず、シール材23のリップ部
23Bを径外方に向けて配設できるので、スラスト荷重を
受けた場合のシール材23の面圧を下げることが可能とな
り、シール材23の耐久性を高めることができる。In addition, the lip portion of the seal material 23 is provided even though the seal material 23 is arranged on the outer end surface 19A of the slide bearing 13 which is the thrust receiving surface.
Since 23B can be arranged radially outward, the surface pressure of the sealing material 23 when a thrust load is applied can be reduced, and the durability of the sealing material 23 can be improved.
なお、実施例ではシールキャップ25とシール材23とが別
体である場合について説明したが、本考案はシールキャ
ップ25とシール材23が一体型のものにも無論適用され
る。In the embodiment, the case where the seal cap 25 and the seal material 23 are separate bodies has been described, but the present invention is naturally applicable to the seal cap 25 and the seal material 23 integrated with each other.
また、係止部の形状は爪片31に限らず任意である。Further, the shape of the locking portion is not limited to the claw piece 31 and may be any shape.
また、実施例では、係止部である爪片31の径内方への弾
性復帰習性を利用してシールキャップ25を係止する場合
について説明したが、径外方への弾性復帰習性を利用す
る構造にしてもよく、シールキャップ25を係止する係止
部の構造は、例えばシールキャップ25の配置箇所や形状
等によって種々の態様が考えられる。In addition, in the embodiment, the case where the seal cap 25 is locked by utilizing the elastic return habit of the claw piece 31 which is the locking portion is described, but the elastic return habit of the radial outward is used. The structure of the locking portion that locks the seal cap 25 may be various modes, for example, depending on the location and shape of the seal cap 25.
（考案の効果） 以上の説明で明らかなように本考案によれば、簡易な構
造でシールキャップのがたつきを防止でき、容易に組付
けを行なえ、分解・解体時等の際のシールキャップ等の
脱落を防止できるシールキャップの取付構造が得られ
る。(Effect of the Invention) As is clear from the above description, according to the present invention, the seal cap can be prevented from rattling with a simple structure and can be easily assembled, and the seal cap can be easily disassembled or disassembled. It is possible to obtain a seal cap mounting structure capable of preventing the falling of the like.
第１図は自動二輪車の前輪部分の側面図、第２図は第１
図のII−II線断面図、第３図は第２図のIII−III線断面
図、第４図は凹溝部分の拡大図である。 尚、図中１は自動二輪車の前輪、３はフォークパイプ、
７はホルダーアーム、９はピボットアーム、13は滑り軸
受、17はディスタンスカラー、21は凹溝、23はシール
材、25はシールキャップ、27はボルト、31は爪片であ
る。FIG. 1 is a side view of a front wheel portion of a motorcycle, and FIG.
FIG. 3 is a sectional view taken along line II-II of FIG. 3, FIG. 3 is a sectional view taken along line III-III of FIG. 2, and FIG. In the figure, 1 is the front wheel of the motorcycle, 3 is a fork pipe,
7 is a holder arm, 9 is a pivot arm, 13 is a slide bearing, 17 is a distance collar, 21 is a concave groove, 23 is a sealing material, 25 is a seal cap, 27 is a bolt, 31 is a claw piece.
───────────────────────────────────────────────────── フロントページの続き (72)考案者 栗田 猛 神奈川県藤沢市桐原町８番地 オイレス工 業株式会社内 (72)考案者 多田 勲 東京都港区芝大門１丁目３番２号 オイレ ス工業株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Takeshi Kurita 8 Kirihara Town, Fujisawa City, Kanagawa Prefecture OILES CORPORATION (72) Osamu Tada 1-2-3 Shibadaimon, Minato-ku, Tokyo OILES Industrial Co., Ltd. In the company
Claims (1)
キャップの取付構造であって、 滑り軸受の周方向に間隔をおいた複数箇所に、該滑り軸
受の径方向に弾性変形可能でシールキャップに係止する
係止部を一体に形成した、 ことを特徴とするシールキャップの取付構造。1. A seal cap mounting structure for covering a portion where a shaft is pivotally supported by a slide bearing, which is elastically deformable in a radial direction of the slide bearing at a plurality of positions spaced apart in the circumferential direction of the slide bearing. The seal cap mounting structure is characterized in that a locking portion for locking the seal cap is integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3419689U JPH0752424Y2 (en) | 1989-03-24 | 1989-03-24 | Seal cap mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3419689U JPH0752424Y2 (en) | 1989-03-24 | 1989-03-24 | Seal cap mounting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02125210U JPH02125210U (en) | 1990-10-16 |
| JPH0752424Y2 true JPH0752424Y2 (en) | 1995-11-29 |
Family
ID=31538457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3419689U Expired - Fee Related JPH0752424Y2 (en) | 1989-03-24 | 1989-03-24 | Seal cap mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0752424Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2580346Y2 (en) * | 1993-12-31 | 1998-09-10 | 本田技研工業株式会社 | Sliding bearing seal structure |
-
1989
- 1989-03-24 JP JP3419689U patent/JPH0752424Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02125210U (en) | 1990-10-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |