DE1750558B1 - Roller bearing seal - Google Patents

Roller bearing seal

Info

Publication number
DE1750558B1
DE1750558B1 DE19681750558D DE1750558DA DE1750558B1 DE 1750558 B1 DE1750558 B1 DE 1750558B1 DE 19681750558 D DE19681750558 D DE 19681750558D DE 1750558D A DE1750558D A DE 1750558DA DE 1750558 B1 DE1750558 B1 DE 1750558B1
Authority
DE
Germany
Prior art keywords
bearing
seal
lip
reinforcement
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.)
Pending
Application number
DE19681750558D
Other languages
German (de)
Inventor
Auf Nichtnennung Antrag
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.)
Paulstra SNC
Original Assignee
Paulstra SNC
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 Paulstra SNC filed Critical Paulstra SNC
Publication of DE1750558B1 publication Critical patent/DE1750558B1/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72Sealings
    • F16C33/76Sealings of ball or roller bearings
    • F16C33/78Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7889Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to an inner race and extending toward the outer race
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72Sealings
    • F16C33/76Sealings of ball or roller bearings
    • F16C33/78Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7803Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
    • F16C33/7813Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings for tapered roller bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/16Sealings between relatively-moving surfaces
    • F16J15/32Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3204Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
    • F16J15/3232Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/34Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
    • F16C19/36Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers
    • F16C19/364Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone

Description

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

Claims (1)

1 21 2 besserung der Abdichtung bei großen Drehzahlen auszunutzen. Diese bekannte Lagerdichtung zeigt 1. Scheibenförmige Wälzlagerdichtung, die auf jedoch nur eine Dichtlippe, die sich an der Bohrung einer sich drehenden Welle bzw. dem mit dieser abstützt und keine Mehrfachanordnung von Lippen fest verbundenen Lagerinnenring befestigt ist, mit 5 mit der bekannten sehr guten Dichtwirkung,
einer metallischen Bewehrung und zwei Dicht- Der Erfindung liegt die Aufgabe zugrunde, eine
to improve the seal at high speeds. This known bearing seal shows 1. Disc-shaped roller bearing seal, which is attached to only one sealing lip, which is supported on the bore of a rotating shaft or the bearing inner ring firmly connected to this and no multiple arrangement of lips, with 5 with the known very good sealing effect ,
a metallic reinforcement and two sealing The invention is based on the object of a
lippen, wobei die eine in etwa radialer Fort- scheibenförmige Walzlagerdichtung der in Frage Setzung des Scheibenkörpers an der Gehäuse- stehenden Art zu schaffen, die bei hohen Drehzahlen bohrung anliegt und die andere in etwa axialer eine Verbesserung der Dichtwirkung herbeiführt.
Fortsetzung des Scheibenkörpers an der Stirn- io Diese Aufgabe wird erfindungsgemäß dadurch gefläche des Lageraußenringes anliegt, dadurch löst, daß die Bewehrung den Scheibenkörper vom gekennzeichnet, daß die Bewehrung (12) Lagerinnenring bis in die Nähe der Gehäusebohrung den Scheibenkörper (8) vom Lagerinnenring (3) unterstützt und daß in der Nachbarschaft der an der bis in die Nähe der Gehäusebohrung (10) unter- Stirnfläche des Lageraußenringes anliegenden Lippe stützt und daß in der Nachbarschaft der an der 15 eine weitere Lippe ausgebildet ist, die der Gehäuse-Stirnfläche (18) des Lageraußenringes (4) an- bohrung zugewandt ist und im Abstand von ihr endet, liegenden Lippe (15) eine weitere Lippe (16) aus- und daß das freie Ende der Bewehrung von der gebildet ist, die der Gehäusebohrung (10) zu- Lagermittellinie mindestens genauso weit entfernt ist gewandt ist und im Abstand von ihr endet, und wie das Ende der am Lageraußenring anliegenden daß das freie Ende der Bewehrung (12) von der 20 Lippe.
lips, whereby the one approximately radial progressive disk-shaped roller bearing seal of the type in question to create the disk body on the housing, which rests on the bore at high speeds and the other approximately axially improves the sealing effect.
Continuation of the washer body on the end face. According to the invention, this object is achieved by the surface of the bearing outer ring, which is achieved in that the reinforcement characterizes the disk body, that the reinforcement (12) of the bearing inner ring extends to the vicinity of the housing bore the disk body (8) from the bearing inner ring ( 3) and that in the vicinity of the lip resting on the up to the vicinity of the housing bore (10) below the end face of the bearing outer ring and that in the vicinity of the 15 another lip is formed which the housing end face (18 ) of the bearing outer ring (4) is facing the bore and ends at a distance from it, lying lip (15) has a further lip (16) and that the free end of the reinforcement is formed by the one facing the housing bore (10) - Bearing center line is turned at least as far away and ends at a distance from it, and as the end of the bearing outer ring that the free end of the reinforcement (12) of the 20 lip.
Lagermittellinie mindestens genauso weit entfernt Während bei den bekannten Dichtungen bei hohen ist wie das Ende der am Lageraußenring anliegen- Drehzahlen zumeist eine Verschlechterung der Dichtden Lippen (15). wirkung in Kauf genommen werden muß, tritt beim 2. Dichtung nach Anspruch 1, dadurch gekenn- Gegenstand der Erfindung durch die Wirkung der zeichnet, daß der radial äußere Teil (14) der Be- 25 Zentrifugalkraft eine Verbesserung der Dichtwirkung wehrung (12) zum Lager hin konisch ab- ein. Dies geschieht durch die zusätzliche Lippe, die gebogen ist. bei höheren Drehzahlen zur dichtenden Anlage kommt, wobei gleichzeitig der Anpreßdruck der benachbarten, axial liegenden Lippe verstärkt wird.Bearing center line at least as far away While with the known seals at high is, like the end of the speeds applied to the bearing outer ring, mostly a deterioration in the sealing properties Lips (15). effect must be accepted, occurs with the 2. seal according to claim 1, thereby marked subject of the invention by the effect of shows that the radially outer part (14) of the loading 25 centrifugal force improves the sealing effect reinforcement (12) conically towards the bearing. It does this through the extra lip that is bent. comes to the sealing system at higher speeds, whereby at the same time the contact pressure of the neighboring, axially lying lip is reinforced. Die Erfindung betrifft eine scheibenförmige Wälz- 3° Vorteilhaft ist gemäß der Erfindung, daß der lagerdichtung, die auf einer sich drehenden Welle radial äußere Teil der Bewehrung zum Lager hin bzw. dem mit dieser fest verbundenen Lagerinnen- konisch abgebogen ist. Hierdurch wird die metallische ring befestigt ist, mit einer metallischen Bewehrung Bewehrung näher an den Lageraußenring heran- und zwei Dichtlippen, wobei die eine in etwa geführt.The invention relates to a disk-shaped rolling 3 °. It is advantageous according to the invention that the bearing seal, which on a rotating shaft radially outer part of the reinforcement towards the bearing or the bearing that is firmly connected to the inside of the bearing is bent conically. This makes the metallic ring is attached, with a metallic reinforcement reinforcement closer to the bearing outer ring and two sealing lips, one of which is guided approximately. radialer Fortsetzung des Scheibenkörpers an der 35 Die einzige Figur zeigt ein Ausführimgsbeispiel der Gehäusebohrung anliegt und die andere in etwa Erfindung in Schnittdarstellung,
axialer Fortsetzung des Scheibenkörpers an der Eine Welle 1 befindet sich in einem Gehäuse 2.
radial continuation of the disk body on the 35. The single figure shows an exemplary embodiment of the housing bore and the other is roughly the invention in a sectional view,
axial continuation of the disk body on the A shaft 1 is located in a housing 2.
Stirnfläche des Lageraußenringes anliegt. Das Lager besteht aus einem Innenring 3, einemThe face of the bearing outer ring rests. The bearing consists of an inner ring 3, a Bei einer derartigen bekannten Wälzlagerdichtung Außenring 4 und Kegelrollen 5. Die Rollen sind im (USA.-Patentschrift 3 006 701) wird die an der 40 Lagerkäfig 6 gehalten. Bei der Montage wird der Stirnfläche des Lageraußenringes anliegende Dicht- Außenring 4 vorher in die Bohrung 7 eingebracht, lippe mit zunehmender Drehzahl durch die Eine scheibenförmige Dichtung 8, 17 liegt mit einer Zentrifugalkraft so nach außen deformiert, daß eine äußeren Lippe 9 an der Gehäusebohrung 10 an, wähausreichende Abdichtung nicht mehr gewähr- rend das radial innere Ende 11 der Dichtung 8, 17 leistet ist. 45 zu den Rollen 5 hin umgebogen ist und auf demIn such a known rolling bearing seal outer ring 4 and tapered rollers 5. The rollers are in (U.S. Patent 3,006,701) the bearing cage 6 on the 40 is held. During assembly, the Outer sealing ring 4 in contact with the end face of the bearing outer ring previously introduced into the bore 7, lip with increasing speed through the A disc-shaped seal 8, 17 is with a Centrifugal force deformed outward so that an outer lip 9 on the housing bore 10, sufficient Sealing is no longer guaranteed by the radially inner end 11 of the seal 8, 17. 45 is bent towards the rollers 5 and on the Weiterhin ist bekannt, eine Wälzlagerdichtung der Innenring 3 aufsitzt. Die Dichtung 8, 17 weist eine in Frage stehenden Art mit einer metallischen Be- metallische Bewehrung 12 auf, die am radial inneren wehrung zu versehen (USA.-Patentschrift 2 878 084). Ende 13 umgebördelt ist und am radial äußeren Diese bekannte Bewehrung vergrößert zwar die Ende 14 zum Lager hin konisch abgebogen ist. Die Steifigkeit der Dichtung, verhindert jedoch nicht ent- 50 Dichtung 8, 17 weist zwei weitere Lippen 15, 16 auf. scheidend die bei großen Drehzahlen auftretende, Bei höheren Drehzahlen kommt infolge der eine geringere Abdichtung hervorrufende Deformie- Zentrifugalwirkung die zusätzliche Lippe 16 zur rung der entsprechenden Dichtlippe. dichtenden Anlage an die Gehäusebohrung 10, wobeiIt is also known that a roller bearing seal is seated on the inner ring 3. The seal 8, 17 has a The type in question with a metallic Be-Metallische reinforcement 12, which on the radially inner reinforcement (U.S. Patent 2,878,084). End 13 is flanged and on the radially outer This known reinforcement increases the end 14 is bent conically towards the bearing. the Stiffness of the seal, but does not prevent it. 50 Seal 8, 17 has two further lips 15, 16. which occurs at high speeds, at higher speeds as a result of the a deforming centrifugal effect causing a smaller seal, the additional lip 16 for tion of the corresponding sealing lip. sealing contact with the housing bore 10, wherein Es ist zwar an sich bekannt (deutsches Gebrauchs- gleichzeitig die Dichtwirkung der Lippe 15 verstärkt muster 1 805 406), die Zentrifugalkraft zur Ver- 55 wird.It is known per se (German usage - at the same time the sealing effect of the lip 15 is strengthened sample 1 805 406), the centrifugal force is used.
DE19681750558D 1967-05-25 1968-05-14 Roller bearing seal Pending DE1750558B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR107884A FR1531683A (en) 1967-05-25 1967-05-25 Improvements made to assemblies with rotating surfaces comprising seals, in particular with ball or roller bearings

Publications (1)

Publication Number Publication Date
DE1750558B1 true DE1750558B1 (en) 1972-03-16

Family

ID=8631624

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19681750558D Pending DE1750558B1 (en) 1967-05-25 1968-05-14 Roller bearing seal

Country Status (2)

Country Link
DE (1) DE1750558B1 (en)
FR (1) FR1531683A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1064539A (en) * 1976-07-15 1979-10-16 Lowell S. Salter (Jr.) Flexible seal and seal assembly
WO1980001405A1 (en) * 1978-12-26 1980-07-10 Towmotor Corp Seal and seal assembly
USRE31058E (en) * 1978-12-26 1982-10-19 Towmotor Corporation Seal and seal assembly
JPS59100128U (en) * 1982-12-23 1984-07-06 株式会社ニフコ oil damper
US4667968A (en) * 1984-02-10 1987-05-26 Federal-Mogul Corporation Dual-lip grease-retaining and dirt-excluding shaft seal
DE3528961C3 (en) * 1985-08-13 1994-12-22 Kugelfischer G Schaefer & Co Shaft or axle bearings with pressure compensation on both sides with sealing rings
IT239862Y1 (en) * 1996-12-03 2001-03-13 R F T S P A SEALING COMPLEX FOR A ROTATING SHAFT, IN PARTICULAR OF A WATER PUMP OF AN AUTOMOTIVE ENGINE.
US6045137A (en) * 1998-02-16 2000-04-04 Caterpillar Inc. Radial seal having a metal support

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2764433A (en) * 1952-12-31 1956-09-25 Gen Motors Corp Demountable closure
US2878084A (en) * 1953-12-30 1959-03-17 Peter D Bermingham Seal for roller bearing unit
DE1805406U (en) * 1959-12-04 1960-02-04 Goetzewerke POETRY.
US3006701A (en) * 1958-06-17 1961-10-31 Timken Roller Bearing Co Seal
US3028203A (en) * 1959-07-27 1962-04-03 Federal Mogul Bower Bearings Seal for tapered roller bearings and the like
US3129985A (en) * 1961-11-11 1964-04-21 Poilard Bearings Ltd Seals for ball and roller bearings
DE1178750B (en) * 1959-08-31 1964-09-24 Schaeffler Ohg Industriewerk Needle roller bearings for lower rollers of drafting systems for spinning machines
US3262743A (en) * 1963-12-24 1966-07-26 Timken Roller Bearing Co Sealing device for a roller bearing

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2764433A (en) * 1952-12-31 1956-09-25 Gen Motors Corp Demountable closure
US2878084A (en) * 1953-12-30 1959-03-17 Peter D Bermingham Seal for roller bearing unit
US3006701A (en) * 1958-06-17 1961-10-31 Timken Roller Bearing Co Seal
US3028203A (en) * 1959-07-27 1962-04-03 Federal Mogul Bower Bearings Seal for tapered roller bearings and the like
DE1178750B (en) * 1959-08-31 1964-09-24 Schaeffler Ohg Industriewerk Needle roller bearings for lower rollers of drafting systems for spinning machines
DE1805406U (en) * 1959-12-04 1960-02-04 Goetzewerke POETRY.
US3129985A (en) * 1961-11-11 1964-04-21 Poilard Bearings Ltd Seals for ball and roller bearings
US3262743A (en) * 1963-12-24 1966-07-26 Timken Roller Bearing Co Sealing device for a roller bearing

Also Published As

Publication number Publication date
FR1531683A (en) 1968-07-05

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