JP2508443Y2 - Seal fitting structure - Google Patents
Seal fitting structureInfo
- Publication number
- JP2508443Y2 JP2508443Y2 JP1991075114U JP7511491U JP2508443Y2 JP 2508443 Y2 JP2508443 Y2 JP 2508443Y2 JP 1991075114 U JP1991075114 U JP 1991075114U JP 7511491 U JP7511491 U JP 7511491U JP 2508443 Y2 JP2508443 Y2 JP 2508443Y2
- Authority
- JP
- Japan
- Prior art keywords
- peripheral surface
- fitting
- seal
- housing
- elastic body
- 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
- Sealing With Elastic Sealing Lips (AREA)
Description
【考案の詳細な説明】[Detailed description of the device]
【０００１】[0001]
【産業上の利用分野】本考案は、相互に回転運動する部
材間に挿入され、該部材の内部と外部とを密封するシー
ルに関し、さらに具体的には前記シールが装着される嵌
合構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seal which is inserted between members which rotate with respect to each other and seals the inside and the outside of the member, and more specifically to a fitting structure in which the seal is mounted. .
【０００２】[0002]
【従来の技術】従来、回転部に装着されるシールは、弾
性体で形成されたシールリップとこれを補強する金属製
の補強環などからなり、これを単数あるいは複数個組合
わせて用いるが、その嵌合部の構造は前記補強環に形成
した軸方向の筒状部をハウジングに嵌入して固定を図っ
ているものが一般的である。2. Description of the Related Art Conventionally, a seal mounted on a rotating portion is composed of a seal lip formed of an elastic body and a metal reinforcing ring for reinforcing the seal lip, and a single or a plurality of these are used in combination. The structure of the fitting portion is generally one in which the tubular portion in the axial direction formed on the reinforcing ring is fitted into the housing to be fixed.
【０００３】この固定において高い嵌合力が求められる
場合には直接金属面同志の嵌合をなさしめるが、そのと
き密封力を確保するために、図面によって説明すると図
４に示す実公昭３９−１９５１２号公報のような、補強
環（３）の外周面に小径部（９）を設け、該小径部
（９）に粘弾性可塑材（１０）を配設して該粘弾性可塑
材（１０）の接触圧力で密封力の補助をなす構造が実施
されている。When a high fitting force is required in this fixing, the metal surfaces are directly fitted to each other, but in order to secure the sealing force at that time, a description will be given with reference to the drawings, and the actual public view 39-19512 shown in FIG. A small diameter portion (9) is provided on the outer peripheral surface of the reinforcing ring (3), and a viscoelastic plastic material (10) is arranged in the small diameter portion (9) to provide the viscoelastic plastic material (10). The structure that assists the sealing force by the contact pressure is implemented.
【０００４】[0004]
【考案が解決しようとする課題】しかしながら、前記の
ような粘弾性可塑材（１０）を外周に突出させた構造で
は、補強環（３）の造形においても該粘弾性可塑材（１
０）の成型においても手間がかかり、さらに致命的なこ
とはこれをハウジング（１）に圧入すると該粘弾性可塑
材（１０）は直接ハウジング（１）に接触してその端面
で大部分が切り取られてしまい、従ってその嵌合面には
僅かしか粘弾性可塑材（１０）が残存しないから十分な
密封力を発揮し得ないという欠点がある。本考案はこの
ような多くの欠点を除去し、低価格で嵌合力と密封力に
優れる密封材のガスケットを提供することを目的として
いる。However, in the structure in which the viscoelastic plastic material (10) is projected to the outer periphery as described above, the viscoelastic plastic material (1) is formed even when the reinforcing ring (3) is formed.
(0) is time-consuming and, even more fatally, when it is pressed into the housing (1), the viscoelastic plastic material (10) directly contacts the housing (1) and most of the end surface is cut off. Therefore, there is a drawback that a sufficient sealing force cannot be exerted because the viscoelastic plastic material (10) remains only slightly on the fitting surface. It is an object of the present invention to eliminate many of these drawbacks and to provide a gasket of a sealing material that is low in cost and excellent in fitting force and sealing force.
【０００５】[0005]
【課題を解決するための手段】本考案を図面を基に説明
すると、図１に示すように、ハウジング（１）と軸
（２）との間にあり、該ハウジング（１）あるいは軸
（２）に嵌着されるシール嵌合部の構造であって、前記
シール（Ａ）は金属製の補強環（３）と弾性体製のシー
ル部（４）からなっており、前記シール（Ａ）における
補強環（３）の平筒形状をなす嵌合部の周面へ挿入先部
（５）が高い段差部（６）を設け、該段差部（６）の陥
没周面（７）にゴム状弾性体（８）を固着せしめたこと
を特徴としている。The present invention will be described with reference to the drawings. As shown in FIG. 1, it is located between a housing (1) and a shaft (2), and the housing (1) or the shaft (2). ) to have a structure of the seal fitting portion to be fitted, the seal (a) is composed of metal reinforcing rings (3) an elastic body made of the seal portion (4), the seal (a) A stepped portion (6) having a high insertion tip portion (5) is provided on the peripheral surface of the flat tubular fitting portion of the reinforcing ring (3), and a rubber is provided on the depressed peripheral surface (7) of the stepped portion (6). The elastic body (8) is characterized by being fixed .
【０００６】ここでの段差部（６）の嵌合周面とゴム状
弾性体（８）の周面径寸法は、嵌合相手部材のハウジン
グ（１）に嵌合される場合該ハウジング（１）の内周面
より大径であり、軸（２）に嵌合される場合逆に小径に
形成する。The diameters of the fitting peripheral surface of the stepped portion (6) and the peripheral surface of the rubber-like elastic body (8) are determined by the housing of the mating member.
The diameter is larger than the inner peripheral surface of the housing (1) when it is fitted to the shaft (1), and conversely it is small when it is fitted to the shaft (2).
【０００７】[0007]
【作用】本考案は上記のような構造をもって下記に示す
作用をなす。まず、ハウジング（１）及び軸（２）とシ
ール（Ａ）の位置関係において、図１に示すごとくシー
ル（Ａ）の挿入先部（５）は前記相手部材の嵌合周面よ
りハウジング（１）の場合は大径に、軸（２）の場合は
小径の、何れも強嵌合される径関係にあり、図２に示す
ハウジング（１）への嵌入の場合、挿入初期には挿入先
部（５）が縮径されても該挿入先部（５）に隠れた状態
で続くゴム状弾性体（８）の外径部分は変化しないの
で、図２のように幾らかの傾斜角度が付き、該補強環
（３）に固着されたゴム状弾性体（８）の表面部分はハ
ウジング（１）の端部によって削り取られる。The present invention has the above-described structure and performs the following operation. First, in the positional relationship between the housing (1) and the shaft (2) and the seal (A), as shown in FIG. 1, the insertion destination portion (5) of the seal (A) is closer to the housing (1) than the mating peripheral surface of the mating member. In the case of () , a large diameter is used , and in the case of the shaft (2), a small diameter is used , and both are in a tight fitting relationship. In the case of fitting into the housing (1) shown in FIG. Even if the part (5) is reduced in diameter, it is hidden in the insertion destination part (5).
Since the outer diameter portion does not change in the rubber-like elastic body (8) followed by, marked with some inclination angle as shown in FIG. 2, the reinforcing ring
The surface portion of the rubber-like elastic body (8) fixed to (3) is scraped off by the end portion of the housing (1).
【０００８】しかし、前記の如くハウジング（８）へ嵌
入状態にある挿入先部（５）は縮径しており、その後に
続く段差部（６）へ配置されたゴム状弾性体（８）はそ
の径の段差によって該ハウジング（１）の端面に強く接
触せずそのせん断力を大幅に弱めるから多くの質量を陥
没周面（７）上に残存させ、この状態を保って嵌着を完
了する。However, as described above, the insertion destination portion (5) in the fitted state in the housing (8) has a reduced diameter, and the rubber-like elastic body (8) arranged in the step portion (6) following the insertion destination portion (5) is Due to the step of the diameter, the end face of the housing (1) is not strongly contacted and its shearing force is significantly weakened, so that a large amount of mass remains on the depressed peripheral surface (7) and the fitting is completed while maintaining this state. .
【０００９】[0009]
【実施例】本考案を実施するに、前記説明ではハウジン
グ（１）へ嵌入する場合を示したが、図３に示すように
軸（２）へ嵌合することも実施可能であり、ここでの段
差部（６）の嵌合周面すなわち挿入先部（５）とゴム状
弾性体（８）の周面は、軸（２）の外周面より小径に形
成し、その嵌合力を強く得られる位置関係から前記と同
様な挿入嵌合を実施すると正確かつ強固な装着効果と強
力な密封効果が得られる。尚、補強環（３）の嵌合部は
その造形性と面圧保持性から平筒形状に限定されるもの
であり、該平筒形状の周面に設けた陥没周面（７）によ
って適量のゴム状弾性体が嵌合周面に確保され良好な密
封性を発揮するものとなる。 DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the above description of the present invention, the case of fitting into the housing (1) was shown, but it is also possible to fit into the shaft (2) as shown in FIG. The fitting peripheral surface of the stepped portion (6), that is, the peripheral surface of the insertion destination portion (5) and the rubber-like elastic body (8) is formed to have a smaller diameter than the outer peripheral surface of the shaft (2) to obtain a strong fitting force. If the insertion and fitting similar to the above is performed from the positional relationship, the accurate and strong mounting effect and the strong sealing effect can be obtained. The fitting part of the reinforcing ring (3) is
Limited to a flat cylinder due to its shapeability and surface pressure retention
And the recessed peripheral surface (7) provided on the flat cylindrical peripheral surface.
As a result, a proper amount of rubber-like elastic material is secured on the fitting peripheral surface to ensure good sealing.
It will exhibit sealing performance.
【００１０】[0010]
【考案の効果】本考案によると、シール（Ａ）の嵌合
時、ゴム状弾性体（８）はハウジング（１）あるいは軸
（２）に強摺挿入しないので大きなせん断力を受けず剥
離あるいは損傷から免れ、相手部材に最適な圧接力を働
かせ長期間良好な密封をなす。また、嵌合固定されるの
は嵌合形状変化の少ない平筒形状の金属製補強環（３）
であるので正確な位置関係を保った固定が図れ装着誤差
による密封性能のバラツキを防止する。According to the present invention, when the seal (A) is fitted, the rubber-like elastic body (8) is not strongly inserted into the housing (1) or the shaft (2), so that the rubber-like elastic body (8) does not receive a large shearing force and peels off. spared from damage, it forms a long-term good seal exerts an optimum pressure contact force to the mating member. In addition, the fixed metal fitting ring (3) that is fitted and fixed has a flat tubular shape with little change in fitting shape.
As a result, it is possible to fix them while maintaining an accurate positional relationship, and prevent variations in sealing performance due to mounting errors.
【図１】本考案のシールの一実施例を示した断面図であ
る。FIG. 1 is a sectional view showing an embodiment of a seal of the present invention.
【図２】本考案での装着状態を示した断面図である。FIG. 2 is a sectional view showing a mounted state according to the present invention.
【図３】本考案での他の実施例を示した断面図である。FIG. 3 is a cross-sectional view showing another embodiment of the present invention.
【図４】本考案を用いない従来の構造の部分断面図であ
る。FIG. 4 is a partial cross-sectional view of a conventional structure not using the present invention.
【００１２】[0012]
Ａ シール １ ハウジング ２ 軸 ３ 補強環 ４ シール部 ５ 挿入先部 ６ 段差部 ７ 陥没周面 ８ ゴム状弾性体 A seal 1 housing 2 shaft 3 reinforcing ring 4 seal part 5 insertion point part 6 step part 7 depressed peripheral surface 8 rubber-like elastic body
Claims (2)
る、金属製の補強環（３）と弾性体製のシール部（４）
からなったシールの嵌合構造であって； 前記シール（Ａ）における補強環（３）の平筒形状をな
す嵌合部の周面へ挿入先部（５）が高い段差部（６）を
設け、 該段差部（６）の陥没周面（７）にゴム状弾性体（８）
を固着せしめたことを特徴とするシール嵌合部の構造。1. A reinforcing ring (3) made of metal and a sealing portion (4) made of an elastic body, which seals the housing (1) and the shaft (2).
A seal fitting structure comprising: a flat tubular shape of the reinforcing ring (3) in the seal (A).
A step portion (6) having a high insertion point portion (5) is provided on the peripheral surface of the fitting portion, and a rubber-like elastic body (8) is provided on a depressed peripheral surface (7) of the step portion (6).
Structure of the seal fitting portion, characterized in that it allowed securing.
弾性体（８）の周面は、嵌合相手部材のハウジング（１ ）に嵌合される場合該ハ
ウジング周面（１）より大径であり、 軸（２）に嵌合される場合該軸（２）より小径に形成し
たことを特徴とする請求項１記載のシール嵌合部の構
造。2. When the fitting peripheral surface of the insertion destination portion (5) and the peripheral surface of the rubber-like elastic body (8) are fitted to the housing (1 ) of the mating member, the housing peripheral surface ( 1) The diameter of the seal fitting portion is larger than that of 1) and is smaller than that of the shaft (2) when fitted to the shaft (2).
Build .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991075114U JP2508443Y2 (en) | 1991-06-12 | 1991-06-12 | Seal fitting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991075114U JP2508443Y2 (en) | 1991-06-12 | 1991-06-12 | Seal fitting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0594575U JPH0594575U (en) | 1993-12-24 |
| JP2508443Y2 true JP2508443Y2 (en) | 1996-08-21 |
Family
ID=13566834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1991075114U Expired - Fee Related JP2508443Y2 (en) | 1991-06-12 | 1991-06-12 | Seal fitting structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2508443Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005331002A (en) * | 2004-05-19 | 2005-12-02 | Nok Corp | Sealing device |
| JP5598049B2 (en) * | 2010-03-26 | 2014-10-01 | Ｎｏｋ株式会社 | Manufacturing method of sealing member |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5851478U (en) * | 1981-09-30 | 1983-04-07 | パイオニア株式会社 | Door opening/closing reduction mechanism |
| JPH073090Y2 (en) * | 1988-04-07 | 1995-01-30 | いすゞ自動車株式会社 | Oil seal |
| JPH0648208Y2 (en) * | 1988-07-26 | 1994-12-12 | 内山工業株式会社 | Oil seal |
| JPH0314969A (en) * | 1989-06-10 | 1991-01-23 | Nok Corp | Sealing device and its manufacture |
-
1991
- 1991-06-12 JP JP1991075114U patent/JP2508443Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0594575U (en) | 1993-12-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |