JPH09177804A - Creep prevention rolling bearing and mounting structure thereof - Google Patents

Creep prevention rolling bearing and mounting structure thereof

Info

Publication number
JPH09177804A
JPH09177804A JP7351881A JP35188195A JPH09177804A JP H09177804 A JPH09177804 A JP H09177804A JP 7351881 A JP7351881 A JP 7351881A JP 35188195 A JP35188195 A JP 35188195A JP H09177804 A JPH09177804 A JP H09177804A
Authority
JP
Japan
Prior art keywords
outer ring
housing
shield plate
creep
rolling bearing
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
Application number
JP7351881A
Other languages
Japanese (ja)
Inventor
Kanetsugu Tsuruya
金告 鶴谷
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.)
NTN Corp
Original Assignee
NTN Corp
NTN Toyo Bearing Co Ltd
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 NTN Corp, NTN Toyo Bearing Co Ltd filed Critical NTN Corp
Priority to JP7351881A priority Critical patent/JPH09177804A/en
Publication of JPH09177804A publication Critical patent/JPH09177804A/en
Pending 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
    • 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
    • F16C33/7869—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward
    • F16C33/7873—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward with a single sealing ring of generally L-shaped cross-section
    • 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
    • F16C33/7886—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted outside the gap between the inner and outer races, e.g. sealing rings mounted to an end face or outer surface of a race
    • 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
    • F16C2300/00—Application independent of particular apparatuses
    • F16C2300/02—General use or purpose, i.e. no use, purpose, special adaptation or modification indicated or a wide variety of uses mentioned
    • 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
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/07—Fixing them on the shaft or housing with interposition of an element
    • F16C35/077—Fixing them on the shaft or housing with interposition of an element between housing and outer race ring

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mounting Of Bearings Or Others (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

PROBLEM TO BE SOLVED: To prevent creeping by simple constitution without requiring special working for an outer ring by providing a press-in part to be pressed in an inner diameter face of the outer ring on a ring-shaped shield plate covering the clearance between the inner and outer rings. SOLUTION: A creep prevention rolling bearing 1 is provided with shield plates 2 on both faces, and ball rings 6 held by means of a holder 5 are intervened between inner and outer rings 3 and 4. A plurality of the shield plates 2 is provided with a cylindrical face shaped pressed-in part 2a to be pressed in the outer ring 4, a shield part 2b extending from the inner end thereof to the inner diameter side, and a cutouts 7 for housing fitting at the plural parts in the circumferential direction in the outer diameter edge of an outer diameter side extension part 2c extending from the inner end thereof the inner diameter side and along the side face of the outer ring 4. A fitting protrusion part 8a of as housing 8 is fitted to the cutout 7 of the shield plate 2 in a state in which the outer ring 4 is mounted on the bearing of the housing 8, thereby a creep prevention function is obtained.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【発明の属する技術分野】この発明は、シールド板にク
リープ防止機能を持たせたクリープ防止転がり軸受およ
びその取付構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a creep preventing rolling bearing having a shield plate having a creep preventing function and a mounting structure thereof.

【０００２】[0002]

【従来の技術】転がり軸受の外輪をハウジングに緩み嵌
め状態または止り嵌め状態に取付ける場合、外輪に回転
荷重が加わったときに外輪がハウジングに対して回転す
る現象（すなわちクリープ）を防止する必要がある。こ
のようなクリープの防止手段として、例えば高分子材料
の被覆部を外輪外周部に設け、温度変化に対して締め代
を確保するように構成したものが提案されている。この
他に、外輪に溝加工をしてキーで固定するものや、孔を
加工してピンで固定するものが提案されている。2. Description of the Related Art When an outer ring of a rolling bearing is attached to a housing in a loosely fitted state or a tightly fitted state, it is necessary to prevent the outer ring from rotating relative to the housing (that is, creep) when a rotational load is applied to the outer ring. is there. As a means for preventing such creep, there has been proposed, for example, a structure in which a coating portion made of a polymer material is provided on the outer peripheral portion of the outer ring so as to secure a tightening margin against temperature changes. In addition to this, there have been proposed one in which a groove is formed on the outer ring and fixed with a key, and one in which a hole is formed and fixed with a pin.

【０００３】[0003]

【発明が解決しようとする課題】しかし、前記高分子材
料の被覆部を設けるものは、射出成形が必要でコスト増
となる。また、外輪の外周部に溝加工や孔加工を行うも
のは、外輪の旋削工数が増え、これもコスト増となる。
しかも、これらのクリープ防止構造では、外輪に標準品
が使用できず、軸受の種類数が増えることになり、これ
によってもコスト増となる。However, the one provided with the coating portion of the polymer material requires injection molding, resulting in an increase in cost. Further, in the case where the outer peripheral portion of the outer ring is grooved or bored, the number of turning steps of the outer ring increases, which also increases the cost.
Moreover, in these creep prevention structures, standard products cannot be used for the outer ring, and the number of types of bearings increases, which also increases the cost.

【０００４】この発明は、外輪に特殊な加工を必要とせ
ず、簡単な構成で安価にクリープ防止が行えるクリープ
防止転がり軸受およびその取付構造を提供することを目
的とする。An object of the present invention is to provide a creep-preventing rolling bearing and a mounting structure for the same, which does not require any special processing on the outer ring and which can prevent creep at a low cost with a simple structure.

【０００５】[0005]

【課題を解決するための手段】この発明のクリープ防止
転がり軸受は、内外輪間の隙間を覆うリング状のシール
ド板に、外輪の内径面に圧入される圧入部と、外輪の幅
面に沿う外径側延出部とを設け、この外径側延出部の外
径縁にハウジング係合用の切欠を設けたものである。前
記切欠は１箇所だけに設けても良く、また周方向の複数
箇所に設けてもの良い。この発明の軸受取付構造は、上
記構成の軸受をハウジングに取付ける構造であって、ハ
ウジングに前記シールド板の前記切欠に係合する係合突
部を設けたものである。A creep-preventing rolling bearing according to the present invention comprises a ring-shaped shield plate covering a gap between inner and outer rings, a press-fitting portion press-fitted to an inner diameter surface of the outer ring, and an outer portion extending along a width surface of the outer ring. A radially extending portion is provided, and a notch for housing engagement is provided at an outer diameter edge of the outer diameter extending portion. The notch may be provided at only one place, or may be provided at a plurality of places in the circumferential direction. The bearing mounting structure according to the present invention is a structure for mounting the bearing having the above-described configuration in a housing, and is provided with an engaging protrusion that engages with the notch of the shield plate in the housing.

【０００６】この構成の軸受によると、従来のシールド
板付き軸受の持つシールド効果をシールド板で維持し、
かつシールド板に設けられた切欠を相手ハウジングの係
合突部に引っ掛けることで、クリープ防止機能が得られ
る。すなわち、シールド板は圧入部で外輪に対して圧入
されるため、外輪に対して回り止め状態となり、このシ
ールド板が前記切欠でハウジングに回り止めされるた
め、外輪のハウジングに対する回転が防止される。この
ため、外輪は特殊な溝加工等が不要で、標準的な外輪を
使用でき、低コストのクリープ防止軸受となる。シール
ド板は、一般にプレス成形等で成形するため、切欠や外
径側延出部を有する形状であっても、容易に製造でき
る。シールド板の切欠を周方向に複数設けた場合は、ハ
ウジングの係合突部が小さなものであっても、複数の係
合突部を各切欠に係合させることなどで、十分な回り止
め効果が得られる。According to the bearing having this structure, the shield effect maintained by the conventional bearing with the shield plate is maintained by the shield plate,
Moreover, a creep preventing function can be obtained by hooking the notch provided on the shield plate on the engaging projection of the mating housing. That is, since the shield plate is press-fitted to the outer ring at the press-fitting portion, the shield plate is prevented from rotating with respect to the outer ring, and the shield plate is prevented from rotating with respect to the housing by the notch, so that rotation of the outer ring with respect to the housing is prevented. . For this reason, the outer ring does not require special groove processing, a standard outer ring can be used, and a low-cost creep preventing bearing is obtained. Since the shield plate is generally formed by press molding or the like, it can be easily manufactured even if it has a shape having a notch or an outer diameter side extending portion. When multiple cutouts of the shield plate are provided in the circumferential direction, even if the housing has a small engaging projection, a plurality of engaging projections can be engaged with the respective cutouts to provide a sufficient detent effect. Is obtained.

【０００７】[0007]

【発明の実施の形態】この発明の一実施形態を図１と共
に説明する。このクリープ防止転がり軸受１は、両面に
シールド板２を設けたシールド板付き深溝玉軸受からな
り、内輪３と外輪４の間に、保持器５に保持されたボー
ル６が介在している。外輪４の内径面は、転走面を除い
て平坦な円筒面に形成されている。両側のシールド板２
は、各々金属板のプレス成形品からなるリング状のもの
である。このシールド板２は、外輪４の内径面に圧入さ
れる円筒面状の圧入部２ａと、この圧入部２ａの内側端
から内径側に延びるシールド部２ｂと、圧入部２ａの外
側端から外径側に延びて外輪４の幅面に沿う外径側延出
部２ｃとを有し、外径側延出部２ｃの外径縁における周
方向複数箇所にハウジング係合用の切欠７が等間隔で複
数個設けられている。シールド板２の外径は、外輪４の
外径とほぼ等しい径としてある。切欠７は、外径側延出
部２ｃの径方向幅の半分程度の深さとなる矩形状に形成
してある。シールド板２のシールド部２ｂの内径端は、
内輪３の外径面におけるシール溝３ａの近傍に臨み、内
輪３とシールド板２との間にラビリンスシールを形成し
ている。BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described with reference to FIG. This anti-creep rolling bearing 1 is a deep groove ball bearing with a shield plate having shield plates 2 on both sides, and a ball 6 held by a cage 5 is interposed between an inner ring 3 and an outer ring 4. The inner diameter surface of the outer ring 4 is formed as a flat cylindrical surface excluding the rolling surface. Shield plates 2 on both sides
Is a ring-shaped member made of a press-formed product of a metal plate. The shield plate 2 has a cylindrical surface-shaped press-fit portion 2a that is press-fitted into the inner diameter surface of the outer ring 4, a shield portion 2b that extends from the inner end of the press-fit portion 2a to the inner diameter side, and an outer diameter from the outer end of the press-fit portion 2a. Has an outer diameter side extending portion 2c extending to the side and extending along the width surface of the outer ring 4, and a plurality of notches 7 for housing engagement are arranged at equal intervals at a plurality of circumferential positions on the outer diameter edge of the outer diameter side extending portion 2c. It is provided individually. The outer diameter of the shield plate 2 is substantially equal to the outer diameter of the outer ring 4. The notch 7 is formed in a rectangular shape having a depth of about half the radial width of the outer diameter side extending portion 2c. The inner diameter end of the shield portion 2b of the shield plate 2 is
A labyrinth seal is formed between the inner ring 3 and the shield plate 2 so as to face the seal groove 3 a on the outer diameter surface of the inner ring 3.

【０００８】この軸受１は、外輪４をハウジング８の軸
受孔９に取付けた状態で、ハウジング８に設けられた係
合突部８ａをシールド板２の切欠７に係合させる。係合
突部８ａは、切欠７に嵌合する形状のものであっても、
あるいは切欠７の側縁に係合する程度の小さな突部であ
っても良い。また、ハウジング８の係合突部８ａは、シ
ールド板２の全ての切欠７に係合するように複数設けて
も、１個だけ設けて任意の切欠７に係合させるようにし
ても良い。In this bearing 1, with the outer ring 4 mounted in the bearing hole 9 of the housing 8, the engaging projection 8a provided on the housing 8 is engaged with the notch 7 of the shield plate 2. Even if the engaging protrusion 8a has a shape that fits into the notch 7,
Alternatively, it may be a small protrusion that engages with the side edge of the notch 7. Further, a plurality of engaging protrusions 8 a of the housing 8 may be provided so as to engage with all the notches 7 of the shield plate 2, or only one may be provided so as to engage with any notch 7.

【０００９】この構成の軸受１によると、従来のシール
ド板付き軸受の持つシールド効果をシールド板２のシー
ルド部２ｂで維持し、かつシールド板２に設けられた切
欠７が相手ハウジング８の係合突部８ａに引っ掛かるこ
とで、クリープ防止機能が得られる。したがって、外輪
４とハウジング８との嵌合が緩み嵌め状態であっても、
クリープ防止が行える。このため、外輪４は特殊な溝加
工等が不要で、標準的な外輪を使用でき、低コストのク
リープ防止軸受となる。シールド板２は圧入部２ａで外
輪４に対して圧入されるため、加締工程等を必要とせず
に外輪４に取付けることができ、組立が簡単である。ま
た、グリースの封入は従来通り行える。According to the bearing 1 having this structure, the shield effect of the conventional bearing with a shield plate is maintained by the shield portion 2b of the shield plate 2, and the notch 7 provided in the shield plate 2 is engaged with the mating housing 8. A creep preventing function can be obtained by being caught by the protrusion 8a. Therefore, even if the outer ring 4 and the housing 8 are loosely fitted,
Can prevent creep. For this reason, the outer ring 4 does not require special groove processing or the like, a standard outer ring can be used, and a low-cost creep prevention bearing is obtained. Since the shield plate 2 is press-fitted into the outer ring 4 at the press-fitting portion 2a, it can be attached to the outer ring 4 without requiring a caulking process and the like, and the assembly is easy. Also, the grease can be enclosed as usual.

【００１０】[0010]

【発明の効果】この発明のクリープ防止転がり軸受およ
びその取付構造によると、内外輪間の隙間を覆うリング
状のシールド板に、外輪の内径面に圧入される圧入部
と、外輪の幅面に沿う外径側延出部とを設け、この外径
側延出部の外径縁にハウジング係合用の切欠を設けたた
め、外輪に特殊な加工を必要とせず、簡単な構成で安価
にクリープ防止が行える。シールド板に切欠を複数設け
た場合は、クリープ防止効果を高めることができ、また
ハウジングにシールド板の切欠に対する係合突部を形成
し易い。According to the creep-preventing rolling bearing and its mounting structure of the present invention, the ring-shaped shield plate covering the gap between the inner and outer rings is fitted along the press-fitting portion press-fitted into the inner diameter surface of the outer ring and the width surface of the outer ring. Since the outer diameter side extension is provided and the notch for housing engagement is provided at the outer diameter edge of the outer diameter side extension, the outer ring does not require any special processing, and the structure is simple and inexpensive and creep prevention is possible. You can do it. When the shield plate is provided with a plurality of notches, the creep preventing effect can be enhanced, and the housing can be easily provided with an engaging projection for the notch of the shield plate.

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

【図１】（Ａ）はこの発明の一実施形態の断面図、
（Ｂ）はそのシールド板の正面図である。FIG. 1A is a sectional view of one embodiment of the present invention,
(B) is a front view of the shield plate.

【符号の説明】[Explanation of symbols]

１…クリープ防止転がり軸受、２…シールド板、２ａ…
圧入部、２ｂ…シールド部、２ｃ…外径側延出部、３…
内輪、４…外輪、７…切欠、８…ハウジング、８ａ…係
合突部1 ... Creep preventive rolling bearing, 2 ... Shield plate, 2a ...
Press fit part, 2b ... Shield part, 2c ... Outer diameter side extension part, 3 ...
Inner ring, 4 ... Outer ring, 7 ... Notch, 8 ... Housing, 8a ... Engaging protrusion

Claims (3)

【特許請求の範囲】[Claims] 【請求項１】 内外輪間の隙間を覆うリング状のシール
ド板に、外輪の内径面に圧入される圧入部と、外輪の幅
面に沿う外径側延出部とを設け、この外径側延出部の外
径縁にハウジング係合用の切欠を設けたクリープ防止転
がり軸受。1. A ring-shaped shield plate that covers the gap between the inner and outer rings is provided with a press-fitting portion that is press-fitted into the inner diameter surface of the outer ring and an outer diameter side extending portion that extends along the width surface of the outer ring. A creep-prevention rolling bearing that has a notch for housing engagement on the outer diameter edge of the extension. 【請求項２】 前記切欠をシールド板の周方向複数箇所
に設けた請求項１記載のクリープ防止転がり軸受。2. The creep prevention rolling bearing according to claim 1, wherein the notches are provided at a plurality of positions in the circumferential direction of the shield plate. 【請求項３】 請求項１または請求項２記載のクリープ
防止転がり軸受をハウジングに取付ける軸受取付構造で
あって、前記ハウジングに前記シールド板の前記切欠に
係合する係合突部を設けた軸受取付構造。3. A bearing mounting structure for mounting the creep prevention rolling bearing according to claim 1 or 2 on a housing, wherein the housing is provided with an engagement protrusion that engages with the notch of the shield plate. Mounting structure.
JP7351881A 1995-12-26 1995-12-26 Creep prevention rolling bearing and mounting structure thereof Pending JPH09177804A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7351881A JPH09177804A (en) 1995-12-26 1995-12-26 Creep prevention rolling bearing and mounting structure thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7351881A JPH09177804A (en) 1995-12-26 1995-12-26 Creep prevention rolling bearing and mounting structure thereof

Publications (1)

Publication Number Publication Date
JPH09177804A true JPH09177804A (en) 1997-07-11

Family

ID=18420253

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7351881A Pending JPH09177804A (en) 1995-12-26 1995-12-26 Creep prevention rolling bearing and mounting structure thereof

Country Status (1)

Country Link
JP (1) JPH09177804A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011514952A (en) * 2008-02-26 2011-05-12 エヌテエヌ−エス．エヌ．エール．ルルモン Instrumentation bearings, bearing assemblies, and methods of assembling them
JP2013007447A (en) * 2011-06-24 2013-01-10 Nsk Ltd Bearing with rotation stop

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011514952A (en) * 2008-02-26 2011-05-12 エヌテエヌ−エス．エヌ．エール．ルルモン Instrumentation bearings, bearing assemblies, and methods of assembling them
JP2013007447A (en) * 2011-06-24 2013-01-10 Nsk Ltd Bearing with rotation stop

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