JP3066627B2 - Bearing seal - Google Patents

Bearing seal

Info

Publication number
JP3066627B2
JP3066627B2 JP6087555A JP8755594A JP3066627B2 JP 3066627 B2 JP3066627 B2 JP 3066627B2 JP 6087555 A JP6087555 A JP 6087555A JP 8755594 A JP8755594 A JP 8755594A JP 3066627 B2 JP3066627 B2 JP 3066627B2
Authority
JP
Japan
Prior art keywords
bearing
adhesive
seal
reinforcing ring
sealing
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 - Lifetime
Application number
JP6087555A
Other languages
Japanese (ja)
Other versions
JPH07279977A (en
Inventor
国広 西嶋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Uchiyama Manufacturing Corp
Original Assignee
Uchiyama Manufacturing Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Uchiyama Manufacturing Corp filed Critical Uchiyama Manufacturing Corp
Priority to JP6087555A priority Critical patent/JP3066627B2/en
Publication of JPH07279977A publication Critical patent/JPH07279977A/en
Application granted granted Critical
Publication of JP3066627B2 publication Critical patent/JP3066627B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F16C43/00—Assembling bearings
    • F16C43/04—Assembling rolling-contact bearings
    • F16C43/045—Mounting or replacing seals
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
    • F16C33/783—Details of the sealing or parts thereof, e.g. geometry, material of the mounting region
    • 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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
    • F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
    • 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
    • F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
    • F16C2226/30—Material joints
    • F16C2226/40—Material joints with adhesive

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing With Elastic Sealing Lips (AREA)
  • Sealing Of Bearings (AREA)

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【産業上の利用分野】本発明は、大量にしかも安価に生
産することを可能とし、密封性に優れかつベアリングへ
の固着性にも優れるベアリングシールに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bearing seal which can be mass-produced at a low cost, is excellent in sealing performance, and is excellent in fixing to a bearing.

【０００２】[0002]

【従来の技術】従来、ベアリングに装着されて密封をな
すベアリングシールは、様々な固定手段によって前記ベ
アリングの固定部へ装着されている。例えば、金属から
なる環状シールではベアリングの嵌合部へその周端部が
強制的にカシメられて固定され、また、補強環を内含し
た弾性体からなる摺動タイプの弾性シールでは固定部で
もその弾力を利用してベアリングの嵌合溝へ変形圧挿入
しており、該固定部分ではある程度の圧縮歪を伴って取
付けられている。2. Description of the Related Art Conventionally, a bearing seal mounted on a bearing to form a seal is mounted on a fixed portion of the bearing by various fixing means. For example, in the case of an annular seal made of metal, the peripheral end portion is forcibly caulked and fixed to the fitting portion of the bearing, and in the case of a sliding type elastic seal made of an elastic body including a reinforcing ring, the fixed portion is also used. The elastic force is used to insert the deformation pressure into the fitting groove of the bearing, and the fixed portion is attached with a certain degree of compressive strain.

【０００３】[0003]

【発明が解決しようとする課題】しかしながら、前記の
ようなベアリングシールはそれぞれ解決されなければな
らない決定的な欠点を有している。前記のベアリングの
嵌合部へその周端部が強制的にカシメられて固定される
金属製の環状シールの場合では、該固定部分が金属同志
の密接によって密封性を維持期待するものであるから十
分な密封手段となりえず、運転状態あるいは嵌合状態に
よっては早期に密封力を放棄する欠点を有している。However, each of these bearing seals has the decisive disadvantage that must be solved. In the case of a metal annular seal in which the peripheral end portion is forcibly caulked and fixed to the fitting portion of the bearing, the fixed portion is expected to maintain the sealing performance by close contact between the metals. It cannot be a sufficient sealing means, and has a disadvantage that the sealing force is quickly released depending on the operating state or the fitted state.

【０００４】この欠点を解消するために実公昭３７−３
１６２７号公報の如くの固定手段が開発されている。こ
れを図面によって説明すると図４に示すように、ベアリ
ング（１）の円筒面に密接する縁を有するシール板
（５）を接着剤（６）を用いて該ベアリング（１）へ固
定し、もってシール板（５）の固定を容易とすると共に
該固定部からの潤滑剤の漏洩を防ぐものである。In order to solve this disadvantage, Japanese Utility Model Publication No. 37-3
A fixing means as disclosed in Japanese Patent No. 1627 has been developed. This will be described with reference to the drawings . As shown in FIG. 4 , a sealing plate (5) having an edge closely contacting the cylindrical surface of the bearing (1) is fixed to the bearing (1) using an adhesive (6). This facilitates fixing of the seal plate (5) and prevents leakage of the lubricant from the fixing portion.

【０００５】しかし、この接着されるシール板（５）に
あっては、回転運動する密封必要箇所が金属からなった
小間隙部分（ａ）であるから完璧な密封作用を期待する
ことができず、その装着実用範囲を狭いものとしてい
る。また、図３に示す後者の弾性シール（７）の固定部
をベアリング（１）の嵌合溝（８）へ圧入変形せしめる
固定構造にあっては、その弾力を利用してベアリング
（１）の嵌合溝（８）内へ変形挿入しており、従って、
該嵌合溝（８）に接触する固定部分とその近辺部分は常
時圧縮歪を受ける状態にあるので、該固定部分の弾性体
の応力緩和を引き起こしその弾性反発力を緩め密封性能
を低下させる恐れがある。本発明はこのような欠点に鑑
み、成型性及び密封性が高く製造コストと装着作業性に
優れるベアリングシールを提供することを目的としてい
る。[0005] However, in the sealing plate (5) to be bonded, a perfect sealing action cannot be expected because the sealing required portion which rotates and moves is the small gap portion (a) made of metal. The practical range of mounting is narrow. In the fixing structure shown in FIG. 3 in which the fixing portion of the elastic seal (7) is press-fitted into the fitting groove (8) of the bearing (1), the elasticity of the bearing (1) is utilized by utilizing the elasticity. It is deformed and inserted into the fitting groove (8),
Since the fixed portion in contact with the fitting groove (8) and the portion in the vicinity thereof are always subjected to compressive strain, stress in the elastic body of the fixed portion is relaxed, the elastic repulsive force is loosened, and the sealing performance may be reduced. There is. The present invention has been made in view of the above-described drawbacks, and has as its object to provide a bearing seal that has high moldability and sealing properties and is excellent in manufacturing cost and mounting workability.

【０００６】[0006]

【課題を解決するための手段】本発明は、図１に示すよ
うに、ベアリング（１、１′）に取り付けられ、その密
封をなすベアリングシールであって、図２に示すように
前記補強リング（２）と、シールリップ（３）とを所望
の形状をもって予め形成し、これらを接着剤（４）によ
って固着一体化せしめると共に、前記補強リング（２）
の他方の周縁部をベアリング（１）へ貼着せしめること
を特徴としている。The present invention is shown in FIG.
To the bearings (1, 1 ')
A bearing seal that forms a seal, as shown in FIG.
Desirable reinforcing ring (2) and sealing lip (3)
Are formed in advance with the shape of
And the reinforcing ring (2)
Is characterized in that the other peripheral portion is attached to the bearing (1).

【０００７】[0007]

【作用】本発明は、上記した構成をもって下記に示す優
れた作用をなす。すなわち、図２に示すように金属等か
ら所望の形状に補強リング（２）を打ち抜き加工などに
よって造形すると共に、弾性体からなるシールリップ
（３）をも予め成型せしめる。これの装着においては、
図１に示すように前記補強リング（２）の固定側の周縁
部とベアリング（１）の装着部間、及び前記補強リング
（２）の他方の周縁部とシールリップ（３）の接着部間
に接着剤（４）を介在させ、該接着剤（４）の密着力を
もってベアリング（１）へ固着せしめベアリングシール
を完成する。The present invention has the following excellent functions with the above configuration. That is, as shown in FIG. 2 , a reinforcing ring (2) is formed from a metal or the like into a desired shape by punching or the like, and a seal lip made of an elastic material is formed.
(3) is also molded in advance. In mounting this,
As shown in FIG. 1 , between the peripheral portion of the fixed side of the reinforcing ring (2) and the mounting portion of the bearing (1) , and the reinforcing ring
Between the other peripheral portion of (2) and the bonding portion of the seal lip (3)
An adhesive (4) is interposed therebetween, and the adhesive (4) is adhered to the bearing (1) with the adhesive force of the adhesive (4) to complete a bearing seal.

【０００８】ここでの補強リング（２）は、剛性のある
金属製の薄板あるいは帯板などを用いプレスパンチ等で
連続的に大量に打ち抜き成形される。一方、前記補強リ
ング（２）へ接着されるシールリップ（３）は、合成ゴ
ムあるいは合成樹脂などの摺動密封性能に優れる材料に
て予め成型し、造形されたシールリップ（３）はその適
正な形状から回転部材に最適の面圧を保ってぴったりと
摺接し密封性と耐久性を不安のないものとしている。The reinforcing ring (2) is formed by continuously punching a large amount of a rigid metal thin plate or strip using a press punch or the like. On the other hand, the seal lip (3) to be bonded to the reinforcing ring (2) is molded in advance with a material having excellent sliding sealing performance such as synthetic rubber or synthetic resin, and the formed seal lip (3) is properly formed. Due to its simple shape, it keeps an optimal surface pressure on the rotating member and slides tightly to ensure tight sealing and durability.

【０００９】[0009]

【実施例】本発明を実施するに、図２に示す如く金属製
の補強リング（２）と、回転部材に摺動する弾性体製の
シールリップ（３）とを予め形成し、これらを接着剤
（４ｂ）にて一体化せしめてこれをベアリング（１）の
装着部へ貼着せしめるものである。また、図２の如く補
強リング（２）をベアリング（１）の装着部へ固着せし
めるには、十分な固着性を示すシール剤を用いて接着せ
しめるのが性能的に好ましいものとなるが、接着性を重
視した接着剤、例えばエポキシ樹脂系接着剤、フェノー
ル系接着剤、イソシアネート系接着剤、ホットメルトタ
イプ接着剤、あるいはゴム系接着剤など様々な接着剤が
実施可能となる。なお、シールリップ（３）を補強リン
グ（２）に固着せしめる接着剤（４ｂ）においても前記
したと同様な接着剤を用いて固着せしめる。この接着剤
（４）の補強リング（２）への付着においては、固定側
の周縁部にリング状に塗布せしめるかあるいはベアリン
グ（１）の装着部へ直接塗布せしめ、前記補強リング
（２）を押し当てることによって接着固定を図る。DESCRIPTION OF THE PREFERRED EMBODIMENTS In order to carry out the present invention, as shown in FIG. 2, a metal reinforcing ring (2) and an elastic seal lip (3) sliding on a rotating member are formed in advance, and these are bonded. It is integrated with the agent (4b), and is adhered to the mounting portion of the bearing (1) . Further, in order to fix the reinforcing ring (2) to the mounting portion of the bearing (1) as shown in FIG. 2, it is preferable in terms of performance to bond the reinforcing ring (2) with a sealant having sufficient fixability. Various adhesives such as an epoxy resin-based adhesive, a phenol-based adhesive, an isocyanate-based adhesive, a hot-melt type adhesive, and a rubber-based adhesive can be implemented. The adhesive (4b) for fixing the seal lip (3) to the reinforcing ring (2) is also fixed using the same adhesive as described above. When the adhesive (4) is adhered to the reinforcing ring (2), the reinforcing ring (2) is applied by applying it in a ring shape to the peripheral edge on the fixed side or directly to the mounting portion of the bearing (1). Adhesion and fixation is achieved by pressing.

【００１０】この接着剤（４）の付着方法においては、
単純に塗布付着させる方法の他、固定側の周縁部に接着
剤（４）の封入されたマイクロカプセル（４ｃ）をリン
グ状に多数配設し、装着時このマイクロカプセル（４
ｃ）を圧着し破壊させることによって内部の接着剤
（４）を流出させてベアリング（１）の装着部へ貼着せ
しめることも採用可能であり、この方法では保管性及び
接着剤のポットライフに優れるものとなる。ここで封入
される接着剤はエポキシ樹脂系接着剤が好ましいものと
なる。また、補強リング（２）の固定側の周縁部の形状
としては、圧入固定あるいはカシメ固定する必要がない
ので、図１に示すようなフラット形状あるいは図示しな
いが傾斜部を持つ変形形状であっても差し支えなく、従
来の如くの筒形状部とかカシメ部を造形する面倒な工程
から解放される。In the method of applying the adhesive (4),
In addition to the method of simply applying and attaching, a large number of microcapsules (4c) in which an adhesive (4) is sealed are arranged in a ring shape on the periphery of the fixed side, and the microcapsules (4
It is also possible to adopt a method in which the adhesive (4) inside is leaked out by applying pressure and breaking to c) to be adhered to the mounting portion of the bearing (1). In this method, storage property and pot life of the adhesive are reduced. It will be excellent. The adhesive sealed here is preferably an epoxy resin adhesive. In addition, the shape of the peripheral portion on the fixed side of the reinforcing ring (2) does not need to be press-fitted or fixed by caulking, so it is a flat shape as shown in FIG. However, it is free from the troublesome process of forming the cylindrical portion and the caulked portion as in the conventional case.

【００１１】次に、摺動側の周縁部に接着配置するシー
ルリップ（３）の造形においては、合成ゴムあるいは合
成樹脂等からなる弾性体にて型形成するが、摺動するリ
ップ部だけの僅かな造形部で事足りるため密封性能と耐
久性に優れる高価な材料を選択でき、合成ゴムでの例を
挙げると、フッ素ゴム、アクリルゴム、あるいは複雑な
配合物からなるニトリルゴムなどが実施可能となってい
る。なお、本発明を説明した実施例図１、ではいづれも
ベアリングシールの外径側がベアリングの外輪（１）へ
装着される構造を示したが、該固定部が内径側に位置す
る構造に対しても対応可能なことは言うまでもない。[0011] Next, in the shaping of the sealing lips you adhesive disposed on the periphery of the sliding side (3), although the type formed of an elastic body made of a synthetic rubber or a synthetic resin or the like, only the lip to slide It is possible to select expensive materials with excellent sealing performance and durability because only a few molded parts are sufficient, and for synthetic rubber, for example, fluoro rubber, acrylic rubber, or nitrile rubber composed of complex compounds can be implemented It has become. In the embodiment of FIG. 1 illustrating the present invention, the structure in which the outer diameter side of the bearing seal is mounted on the outer ring (1) of the bearing is shown. Needless to say, this is also possible.

【００１２】[0012]

【発明の効果】本発明によると、ベアリングシールの摺
動する密封部分は最良材質を用いて最適形状に造形され
たシールリップ（３）を接着配置せしめ、他方の周縁部
も接着剤（４）によってぴったり接着されるので強力な
密封性能と高い固定性能を発揮するシール構造となっ
た。このように、高い精度の必要なシールリップ（３）
のみを要求される高精度で成型し、固定部及び側面等の
他部分は極めて安易な形状と製造方法によって造形さ
れ、これを単純に接着固着せしめてベアリングシールを
得るため低コストであり装着作業を大幅に短縮せしめた
ものである。According to the present invention, the sealing portion where the bearing seal slides is provided with the sealing lip (3) formed by using the best material in the optimum shape, and the other peripheral portion is provided.
Also, the adhesive structure (4) is used to form a sealing structure that exhibits strong sealing performance and high fixing performance because the adhesive is exactly adhered. Thus, the seal lip (3) requiring high accuracy
Only the required precision is molded with high precision, and the other parts such as the fixed part and the side are formed by an extremely easy-to-use shape and manufacturing method. Is greatly shortened.

【図面の簡単な説明】[Brief description of the drawings]

【図１】本発明の装着状態を示す断面図である。 FIG. 1 is a sectional view showing a mounted state of the present invention.

【図２】本発明の一実施例を示す断面図である。 FIG. 2 is a sectional view showing one embodiment of the present invention.

【図３】本発明を使用しない従来例の装着状態を示す断
面図である。 FIG. 3 is a sectional view showing a mounting state of a conventional example not using the present invention .
FIG.

【図４】本発明を使用しない他の従来例の装着状態を示
す断面図である。 FIG. 4 shows a mounting state of another conventional example not using the present invention .
FIG.

【符号の説明】[Explanation of symbols]

１ ベアリング ２ 補強リング ３ シールリップ ４ 接着剤 ４ｂ 接着剤 ４ｃ マイクロカプセル ５ シール板 ６ 接着剤 ７ 弾性シール ８ 嵌合溝 ａ 小間隙部分 DESCRIPTION OF SYMBOLS 1 Bearing 2 Reinforcement ring 3 Seal lip 4 Adhesive 4b Adhesive 4c Microcapsule 5 Seal plate 6 Adhesive 7 Elastic seal 8 Fitting groove a Small gap portion

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項１】 ベアリングに取り付けられその内外の密
封をなすベアリングシールにおいて、 金属等からなる補強リングと、回転部材に摺動する弾性
体製のシールリップとを形成し、 前記補強リングの周縁部へ前記シールリップを接着剤に
て固着せしめると共に、固定側の周縁部を接着剤により
ベアリングの装着部へ貼着せしめたことを特徴とするベ
アリングシール。 (1) The bearing is attached to a bearing and has a tight inside and outside.
In a sealed bearing seal, a reinforcing ring made of metal, etc. , and elasticity that slides on rotating members
Forming a body-made seal lip, and applying the seal lip to the periphery of the reinforcing ring with an adhesive.
And fix the periphery of the fixed side with adhesive.
The bearing is characterized in that it is attached to the bearing mounting part.
Alling seal.
JP6087555A 1994-03-31 1994-03-31 Bearing seal Expired - Lifetime JP3066627B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6087555A JP3066627B2 (en) 1994-03-31 1994-03-31 Bearing seal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6087555A JP3066627B2 (en) 1994-03-31 1994-03-31 Bearing seal

Publications (2)

Publication Number Publication Date
JPH07279977A JPH07279977A (en) 1995-10-27
JP3066627B2 true JP3066627B2 (en) 2000-07-17

Family

ID=13918242

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6087555A Expired - Lifetime JP3066627B2 (en) 1994-03-31 1994-03-31 Bearing seal

Country Status (1)

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JP (1) JP3066627B2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09196071A (en) * 1996-01-22 1997-07-29 Nippon Seiko Kk Rolling bearing with seal device
JP5407455B2 (en) * 2009-03-17 2014-02-05 株式会社ジェイテクト Method for preventing creep of rolling bearing and rolling bearing
DE102012202592A1 (en) * 2012-02-21 2013-08-22 Schaeffler Technologies AG & Co. KG Rolling bearing e.g. radial swivel-joint roller bearing has raceways around rotational axis of unreeling rolling elements, and seal fixed at bearing ring and glued at axial front end or outer surface of bearing ring
FR3029994B1 (en) * 2014-12-15 2017-06-09 Skf Ab BEARING BEARING COMPRISING A SEALING FLANGE

Also Published As

Publication number Publication date
JPH07279977A (en) 1995-10-27

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