WO2016173589A1 - Needle bearing unit for mounting a valve shaft or actuator shaft and gas control valve arrangement - Google Patents

Needle bearing unit for mounting a valve shaft or actuator shaft and gas control valve arrangement Download PDF

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Publication number
WO2016173589A1
WO2016173589A1 PCT/DE2016/200115 DE2016200115W WO2016173589A1 WO 2016173589 A1 WO2016173589 A1 WO 2016173589A1 DE 2016200115 W DE2016200115 W DE 2016200115W WO 2016173589 A1 WO2016173589 A1 WO 2016173589A1
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WO
WIPO (PCT)
Prior art keywords
outer ring
gas control
flap
needle
bearing unit
Prior art date
Application number
PCT/DE2016/200115
Other languages
German (de)
French (fr)
Inventor
Peter Schaaf
Jörg RATHMANN
Original Assignee
Schaeffler Technologies AG & Co. KG
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 Schaeffler Technologies AG & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Publication of WO2016173589A1 publication Critical patent/WO2016173589A1/en

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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
    • 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
    • F16C19/44Needle bearings
    • F16C19/46Needle bearings with one row or needles
    • F16C19/466Needle bearings with one row or needles comprising needle rollers and an outer ring, i.e. subunit without inner ring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D9/00Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/1035Details of the valve housing
    • F02D9/106Sealing of the valve shaft in the housing, e.g. details of the 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
    • 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
    • F16C19/44Needle bearings
    • F16C19/46Needle bearings with one row or needles
    • 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
    • F16C33/7809Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings for needle 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
    • 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
    • F16C33/7896Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members with two or more discrete sealings arranged in series
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D9/00Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/04Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning exhaust conduits
    • 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
    • F16C2360/00Engines or pumps
    • F16C2360/22Internal combustion engines
    • 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
    • F16C2361/00Apparatus or articles in engineering in general
    • F16C2361/91Valves

Definitions

  • the invention relates to a needle bearing unit for supporting a valve or Aktua- torenwelle, with a sleeve-shaped outer ring having at its first end and its second end each have a shelf, with a needle cage arranged in the outer ring and guided in the needle cage, needle-shaped rolling elements, as well as with at least one sealing ring.
  • the invention furthermore relates to a gas control flap arrangement comprising a rotatable flap shaft and a gas control flap arranged on the flap shaft.
  • Rolling bearing units for the storage of flaps or actuator shafts are known.
  • DE 10 2006 053 716 A1 discloses a roller bearing unit of the type mentioned in the introduction, which is used to mount a valve shaft on a throttle valve control arrangement.
  • a plurality of sealing rings are used, which are received in the outer ring and formed to seal against flowing along an axis of rotation of the valve shaft fluids.
  • sealing rings are provided at both ends of the sleeve-shaped outer ring.
  • the object is for the needle bearing unit for supporting a flapper or actuator shaft, with a sleeve-shaped outer ring having at its first end and its second end each have a shelf with a arranged in the outer ring needle cage and guided in the needle cage, needle-shaped rolling elements, as well with at least one sealing ring, achieved in that the needle cage on the one hand abuts the abutment of the first end of the outer ring and on the other hand, between the needle cage and the board of the second end of the outer ring, the at least one sealing ring is arranged.
  • This makes it possible to dispense with a sealing ring between the needle cage and the board of the first end of the outer ring.
  • the needle bearing unit according to the invention can be formed from the outer ring, the needle cage, the rolling elements and only one sealing ring. The formation of the needle bearing unit from the individual parts is fast and inexpensive feasible.
  • a sealing ring is arranged for sealing the flapper or actuator shaft with respect to fluids flowing along the flapper or actuator shaft.
  • the board is formed at the first end of the outer ring in the form of a U-profile and projects into a cavity formed by the needle cage.
  • the needle cage is fixed and held at the first end of the outer ring in the outer ring.
  • the problem is solved for the gas control flap arrangement comprising a rotatable flap shaft and a gas control flap arranged on the flap shaft in that the flap shaft is mounted at least on one side with a needle bearing unit according to the invention.
  • the board at the first end of the outer ring of the needle bearing unit forms a gap seal to the flap shaft by the board has an inner diameter which is at most 0.1 to 1 mm larger than an outer diameter of the flap shaft.
  • the gap seal reliably replaces the saved sealing ring at the first end of the outer ring.
  • the flap shaft is mounted on one side of the gas control flap with the needle bearing unit according to the invention and mounted on an opposite side of Gasregelklap- pe with a further needle bearing unit having a sleeve-shaped outer ring and a deep-drawn inner ring, one end of the Damper shaft guided in the bush-shaped outer ring and the inner ring is connected to the end of the valve shaft by pressing.
  • a bush bottom of the bush-shaped outer ring reliably seals the end of the valve shaft.
  • the further needle bearing unit further between the sleeve-shaped outer ring and the inner ring another needle cage, guided in the further needle cage, more needle-shaped rolling elements and at least one further sealing ring, wherein the at least one further sealing ring between the other needle cage and one, the gas control flap facing side of the further needle bearing unit is arranged.
  • the further sealing ring reduces the penetration of fluids flowing along the flap or actuator shaft into the further needle bearing unit.
  • a reliable fixation of the inner ring in the outer ring can be realized.
  • a gap seal is generated, so that it is possible to dispense with the further sealing ring.
  • the needle bearing unit according to the invention and the gas flap control arrangement according to the invention are particularly advantageous for applications in the field of combustion engines, in particular in the automotive industry.
  • FIGS. 1 to 5 show, by way of example, needle bearing units according to the invention and a throttle valve control arrangement formed therewith. So shows:
  • FIG. 1 shows a first needle bearing unit with a sealing ring in the sectional view
  • FIG. 2 shows a second needle roller bearing unit with two sealing rings in a sectional view
  • FIG. 3 shows a third needle bearing unit with a sealing ring in the sectional view
  • FIG. 5 shows a further needle roller unit in a sectional view.
  • FIG. 1 shows a first needle bearing unit 1 for supporting a flap shaft 8 in a sectional view, with a sleeve-shaped outer ring 2, with a arranged in the outer ring 2 needle cage 4 and guided in the needle cage 4, needle-shaped rolling elements 5, and with a sealing ring 6.
  • the sleeve-shaped outer ring 2 has at its first end 2a and its second end 2b each have a shelf 3a, 3b.
  • the needle cage 4 adjoins, on the one hand, the abutment 3a of the first end 2a of the outer ring 2.
  • the at least one sealing ring 6 is arranged between the needle cage 4 and the board 3b of the second end 2b of the outer ring 2, the at least one sealing ring 6 is arranged.
  • the blocking direction of the sealing ring 6 against fluids flowing in the direction of the flap shaft 8 is indicated by arrows.
  • the board 3a at the first end 2a of the outer ring 2 forms a gap seal to the flap shaft 8 of the gas control flap assembly 10 (see FIG 4) by the board 3a has an inner diameter d which is at most 0.1 to 1 mm larger than an outer diameter D of Flap shaft 8.
  • FIG. 2 shows a second needle bearing unit 1 ' with two sealing rings 6a, 6b in
  • FIG. 1 shows a third needle bearing unit 1 " with a sealing ring 6.
  • the same reference numerals as in FIG. 1 denote the same elements
  • the direction of locking of the sealing ring 6 against fluids flowing in the direction of a flap or actuator shaft (not shown here) is indicated by arrows
  • the board 3a at the first end 2a of the outer ring 2 is in the form of a U-profile and protrudes into a cavity 7 formed by the needle cage 4. As a result, the board 3a fixes the needle cage 4 in the outer ring 2.
  • FIG 4 shows a throttle valve control arrangement 10 with a gas guide line 17 in a sectional view.
  • the same reference numerals as in Figure 1 denote the same elements.
  • the flap shaft 8 is rotatably mounted in the region of the gas guide line 17 via a needle bearing unit 1 according to Figure 1 and further via a further needle bearing unit 1 1 according to FIG 5 (see double arrow).
  • a gas control flap 9 is arranged, which moves with the flap shaft 8 in the, a gas 18 leading gas guide line 17.
  • the configuration of the further needle bearing unit 1 1 is explained in the sectional view of FIG 5.
  • the further needle bearing unit 1 1 has a sleeve-shaped outer ring 12 and a deep-drawn inner ring 20.
  • One end of the valve shaft 8 is shown in FIG 4 is guided in the sleeve-shaped outer ring 12 and the inner ring 20 connected to the end of the valve shaft 8 by pressing.
  • the further sealing ring 16 between the other needle cage 14 and one, the Gas control flap 9 facing side of the further needle bearing unit 1 1 is arranged.
  • the blocking direction of the further sealing ring 16 with respect to part of the gas 18 flowing in the direction of a flap shaft 8 is indicated by arrows.
  • the inner ring 20 On its side facing the gas control flap 9, the inner ring 20 has an inner ring flange 20b pointing away from the flap shaft 8.
  • the sleeve-shaped further outer ring 12 has on its, the gas control flap 9 side facing the flap shaft 8 facing outer ring board 13b.
  • the outer ring board 13b surrounds the inner ring board 20b, wherein a gap S is formed with a gap smaller than 0.7 mm.
  • the gap S forms a gap seal.
  • FIGS. 1 to 5 show merely exemplary embodiments of a needle bearing unit or throttle valve control arrangement according to the invention.
  • the throttle valve control arrangement can also be mounted with two needle roller bearing units according to the invention.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

The invention relates to a needle bearing unit (1, 1´, 1´´) for mounting a valve shaft or actuator shaft (8), comprising: a sleeve-shaped outer ring (2), which, at its first end (2a) and its second end (2b), has a flange (3a, 3b); a needle cage (4) arranged in the outer ring (2); and needle-shaped rolling bodies (5) guided in the needle cage (4); and at least one sealing ring (6), the needle cage (4) adjoining the flange (3a) of the first end (2a) of the outer ring (2) and the at least one sealing ring (6) being arranged between the needle cage (4) and the flange (3b) of the second end (2b) of the outer ring (2). The invention further relates to a gas control valve arrangement (10) comprising a rotatable valve shaft (8) and a gas control valve (9) arranged on the valve shaft (8), said gas control valve comprising at least one needle bearing unit (1, 1´, 1´´) according to the invention.

Description

Nadellagereinheit zur Lagerung einer Klappen- oder Aktuatorenwelle  Needle bearing unit for mounting a flap or actuator shaft
und Gasregelklappenanordnung  and gas control valve assembly
Die Erfindung betrifft eine Nadellagereinheit zur Lagerung einer Klappen- oder Aktua- torenwelle, mit einem hülsenförmigen Außenring, der an seinem ersten Ende und seinem zweiten Ende jeweils einen Bord aufweist, mit einem in dem Außenring angeordneten Nadelkäfig und in dem Nadelkäfig geführten, nadeiförmigen Wälzkörpern, sowie mit mindestens einem Dichtungsring. Die Erfindung betrifft weiterhin eine Gasregelklappenanordnung umfassend eine rotierbare Klappenwelle und eine an der Klap- penwelle angeordnete Gasregelklappe. The invention relates to a needle bearing unit for supporting a valve or Aktua- torenwelle, with a sleeve-shaped outer ring having at its first end and its second end each have a shelf, with a needle cage arranged in the outer ring and guided in the needle cage, needle-shaped rolling elements, as well as with at least one sealing ring. The invention furthermore relates to a gas control flap arrangement comprising a rotatable flap shaft and a gas control flap arranged on the flap shaft.
Wälzlagereinheiten, insbesondere Nadellagereinheiten, zur Lagerung von Klappenoder Aktuatorenwellen sind bekannt. So offenbart die DE 10 2006 053 716 A1 eine Wälzlagereinheit der eingangs genannten Art, welche zur Lagerung einer Klappenwel- le an einer Gasklappenregelanordnung eingesetzt wird. Dabei werden mehrere Dichtungsringe eingesetzt, die in den Außenring aufgenommen und zur Abdichtung gegen entlang einer Drehachse der Klappenwelle strömende Fluide ausgebildet sind. Dabei werden an beiden Enden des hülsenförmigen Außenrings Dichtungsringe vorgesehen. Rolling bearing units, in particular needle bearing units, for the storage of flaps or actuator shafts are known. For example, DE 10 2006 053 716 A1 discloses a roller bearing unit of the type mentioned in the introduction, which is used to mount a valve shaft on a throttle valve control arrangement. In this case, a plurality of sealing rings are used, which are received in the outer ring and formed to seal against flowing along an axis of rotation of the valve shaft fluids. In this case, sealing rings are provided at both ends of the sleeve-shaped outer ring.
Es ist Aufgabe der Erfindung, eine Nadellagereinheit zur Lagerung einer Klappenoder Aktuatorenwelle bereitzustellen, welche besonders einfach und aus wenigen Einzelteilen herstellbar ist. Weiterhin ist es Aufgabe der Erfindung, eine Gasregelklappenanordnung mit einer derartigen Nadellagereinheit bereitzustellen. It is an object of the invention to provide a needle bearing unit for supporting a flap or actuator shaft, which is particularly simple and can be produced from a few individual parts. It is another object of the invention to provide a gas control flap assembly with such a needle bearing unit.
Die Aufgabe wird für die Nadellagereinheit zur Lagerung einer Klappen- oder Aktuatorenwelle, mit einem hülsenförmigen Außenring, der an seinem ersten Ende und seinem zweiten Ende jeweils einen Bord aufweist, mit einem in dem Außenring angeordneten Nadelkäfig und in dem Nadelkäfig geführten, nadeiförmigen Wälzkörpern, sowie mit mindestens einem Dichtungsring, dadurch gelöst, dass der Nadelkäfig einerseits an den Bord des ersten Endes des Außenrings angrenzt und dass andererseits zwischen dem Nadelkäfig und dem Bord des zweiten Endes des Außenrings der mindestens eine Dichtungsring angeordnet ist. Dadurch ist es möglich, auf einen Dichtungsring zwischen dem Nadelkäfig und dem Bord des ersten Endes des Außenrings zu verzichten. Dadurch lässt sich die erfindungsgemäße Nadellagereinheit aus dem Außenring, dem Nadelkäfig, den Wälzkörpern und lediglich einem Dichtungsring bilden. Die Bildung der Nadellagereinheit aus den Einzelteilen ist schnell und preisgünstig durchführbar. The object is for the needle bearing unit for supporting a flapper or actuator shaft, with a sleeve-shaped outer ring having at its first end and its second end each have a shelf with a arranged in the outer ring needle cage and guided in the needle cage, needle-shaped rolling elements, as well with at least one sealing ring, achieved in that the needle cage on the one hand abuts the abutment of the first end of the outer ring and on the other hand, between the needle cage and the board of the second end of the outer ring, the at least one sealing ring is arranged. This makes it possible to dispense with a sealing ring between the needle cage and the board of the first end of the outer ring. As a result, the needle bearing unit according to the invention can be formed from the outer ring, the needle cage, the rolling elements and only one sealing ring. The formation of the needle bearing unit from the individual parts is fast and inexpensive feasible.
Ein Dichtring ist dabei zur Abdichtung der Klappen- oder Aktuatorenwelle im Hinblick auf entlang der Klappen- oder Aktuatorenwelle strömende Fluide eingerichtet. A sealing ring is arranged for sealing the flapper or actuator shaft with respect to fluids flowing along the flapper or actuator shaft.
Es hat sich bewährt, wenn der Bord am ersten Ende des Außenrings in Form eines U- Profils ausgebildet ist und in einen von dem Nadelkäfig gebildeten Hohlraum hineinragt. Dadurch wird der Nadelkäfig am ersten Ende des Außenrings im Außenring fixiert und gehalten. It has proven useful if the board is formed at the first end of the outer ring in the form of a U-profile and projects into a cavity formed by the needle cage. As a result, the needle cage is fixed and held at the first end of the outer ring in the outer ring.
Weiterhin hat es sich hinsichtlich der Erhöhung der Dichtwirkung bewährt, wenn mindestens zwei Dichtungsringe im Bereich des Bords des zweiten Endes des Außenrings vorhanden sind. Furthermore, it has been proven in terms of increasing the sealing effect, if at least two sealing rings in the region of the board of the second end of the outer ring are present.
Die Aufgabe wird für die Gasregelklappenanordnung umfassend eine rotierbare Klap- penwelle und eine an der Klappenwelle angeordnete Gasregelklappe, dadurch gelöst, dass die Klappenwelle zumindest einseitig mit einer erfindungsgemäßen Nadellagereinheit gelagert ist. The problem is solved for the gas control flap arrangement comprising a rotatable flap shaft and a gas control flap arranged on the flap shaft in that the flap shaft is mounted at least on one side with a needle bearing unit according to the invention.
Es wird dadurch eine kostengünstige und haltbare Lagerung der Klappenwelle erreicht.  It is achieved by a cost-effective and durable storage of the valve shaft.
Bevorzugt bildet dabei der Bord am ersten Ende des Außenrings der Nadellagereinheit eine Spaltdichtung zur Klappenwelle aus, indem der Bord einen Innendurchmesser aufweist, der maximal 0,1 bis 1 mm größer ist als ein Außendurchmesser der Klappenwelle. Die Spaltdichtung ersetzt zuverlässig den eingesparten Dichtring am ersten Ende des Außenrings. Preferably, the board at the first end of the outer ring of the needle bearing unit forms a gap seal to the flap shaft by the board has an inner diameter which is at most 0.1 to 1 mm larger than an outer diameter of the flap shaft. The gap seal reliably replaces the saved sealing ring at the first end of the outer ring.
Es hat sich bewährt, wenn das erste Ende des Außenrings der Gasregelklappe zugewandt angeordnet ist. Alternativ kann aber auch das zweite Ende des Außenrings der Gasregel klappe zugewandt angeordnet sein. In einer besonders bevorzugten Ausführungsform der Gasregelklappenanordnung ist die Klappenwelle auf einer Seite der Gasregelklappe mit der erfindungsgemäßen Nadellagereinheit gelagert ist und auf einer gegenüberliegenden Seite der Gasregelklap- pe mit einer weiteren Nadellagereinheit gelagert, welche einen büchsenförmigen Außenring und einen tiefgezogenen Innenring aufweist, wobei ein Ende der Klappenwelle in den büchsenförmigen Außenring hinein geführt und der Innenring mit dem Ende der Klappenwelle durch Aufpressen verbunden ist. It has proven useful if the first end of the outer ring is arranged facing the gas control flap. Alternatively, however, the second end of the outer ring of the gas control valve can be arranged facing flap. In a particularly preferred embodiment of the gas control flap arrangement, the flap shaft is mounted on one side of the gas control flap with the needle bearing unit according to the invention and mounted on an opposite side of Gasregelklap- pe with a further needle bearing unit having a sleeve-shaped outer ring and a deep-drawn inner ring, one end of the Damper shaft guided in the bush-shaped outer ring and the inner ring is connected to the end of the valve shaft by pressing.
Ein Büchsenboden des büchsenförmigen Außenrings dichtet das Ende der Klappen- welle zuverlässig ab.  A bush bottom of the bush-shaped outer ring reliably seals the end of the valve shaft.
Weiterhin hat es sich als vorteilhaft erwiesen, wenn die weitere Nadellagereinheit weiterhin zwischen dem büchsenförmigen Außenring und dem Innenring einen weiteren Nadelkäfig, in dem weiteren Nadelkäfig geführte, weitere nadeiförmige Wälzkörper und mindestens einen weiteren Dichtungsring aufweist, wobei der mindestens eine weitere Dichtungsring zwischen dem weiteren Nadelkäfig und einer, der Gasregelklappe zugewandten Seite der weiteren Nadellagereinheit angeordnet ist. Furthermore, it has proved to be advantageous if the further needle bearing unit further between the sleeve-shaped outer ring and the inner ring another needle cage, guided in the further needle cage, more needle-shaped rolling elements and at least one further sealing ring, wherein the at least one further sealing ring between the other needle cage and one, the gas control flap facing side of the further needle bearing unit is arranged.
Der weitere Dichtring reduziert das Eindringen von entlang der Klappen- oder Aktuato- renwelle strömenden Fluiden in die weitere Nadellagereinheit. The further sealing ring reduces the penetration of fluids flowing along the flap or actuator shaft into the further needle bearing unit.
Vorzugsweise weist der Innenring der weiteren Nadellagereinheit an seiner, der Gasregelklappe zugewandten Seite einen von der Klappenwelle weg zeigenden Innenring-Bord auf, wobei der büchsenförmige weitere Außenring an seiner, der Gasregelklappe zugewandten Seite einen zur Klappenwelle zeigenden Außenring-Bord auf- weist, und wobei zur Fixierung des Innenrings im büchsenförmigen weiteren Außenring der Außenring-Bord den Innenring-Bord umschließt. Preferably, the inner ring of the further needle bearing unit on its, the gas control flap side facing away from the flap shaft facing inner ring board, wherein the sleeve-shaped further outer ring on its, the gas control flap side facing the flap shaft facing outer ring board up, and wherein for fixing the inner ring in the sleeve-shaped further outer ring of the outer ring board surrounds the inner ring board.
Dadurch ist eine zuverlässige Fixierung des Innenrings im Außenring realisierbar. Bei entsprechend eng dimensioniertem Spalt zwischen dem Innenring-Bord und dem Außenring-Bord, insbesondere bei einem Spaltmaß kleiner 1 mm, insbesondere kleiner 0,7mm, wird eine Spaltdichtung erzeugt, so dass auf den weiteren Dichtungsring verzichtet werden kann. Die erfindungsgemäße Nadellagereinheit und die erfindungsgemäße Gasklappenregelanordnung sind insbesondere für Anwendungen im Verbrennungsmaschinenbe- reich, insbesondere in der KFZ-Industrie, von Vorteil. As a result, a reliable fixation of the inner ring in the outer ring can be realized. In accordance with closely sized gap between the inner ring board and the outer ring board, especially at a gap less than 1 mm, in particular less than 0.7 mm, a gap seal is generated, so that it is possible to dispense with the further sealing ring. The needle bearing unit according to the invention and the gas flap control arrangement according to the invention are particularly advantageous for applications in the field of combustion engines, in particular in the automotive industry.
Die Figuren 1 bis 5 zeigen beispielhaft erfindungsgemäße Nadellagereinheiten und eine damit ausgebildete Gasklappenregelanordnung. So zeigt: FIGS. 1 to 5 show, by way of example, needle bearing units according to the invention and a throttle valve control arrangement formed therewith. So shows:
FIG 1 eine erste Nadellagereinheit mit einem Dichtungsring im Schnittbild; 1 shows a first needle bearing unit with a sealing ring in the sectional view;
FIG 2 eine zweite Nadellagereinheit mit zwei Dichtungsringen im Schnittbild; 2 shows a second needle roller bearing unit with two sealing rings in a sectional view;
FIG 3 eine dritte Nadellagereinheit mit einem Dichtungsring im Schnittbild; 3 shows a third needle bearing unit with a sealing ring in the sectional view;
FIG 4 eine Gasklappenregelanordnung im Schnittbild; und 4 shows a throttle valve control arrangement in a sectional view; and
FIG 5 eine weitere Nadellagereinheit im Schnittbild. 5 shows a further needle roller unit in a sectional view.
FIG 1 zeigt eine erste Nadellagereinheit 1 zur Lagerung einer Klappenwelle 8 im Schnittbild, mit einem hülsenförmigen Außenring 2, mit einem in dem Außenring 2 angeordneten Nadelkäfig 4 und in dem Nadelkäfig 4 geführten, nadeiförmigen Wälzkörpern 5, sowie mit einem Dichtungsring 6. Der hülsenförmige Außenring 2 weist an seinem ersten Ende 2a und seinem zweiten Ende 2b jeweils einen Bord 3a, 3b auf. Der Nadelkäfig 4 grenzt einerseits an den Bord 3a des ersten Endes 2a des Außenrings 2 an. Andererseits ist zwischen dem Nadelkäfig 4 und dem Bord 3b des zweiten Endes 2b des Außenrings 2 der mindestens eine Dichtungsring 6 angeordnet. Die Sperrrichtung des Dichtungsrings 6 gegenüber in Richtung der Klappenwelle 8 strömenden Fluiden ist durch Pfeile dargestellt. Der Bord 3a am ersten Ende 2a des Außenrings 2 bildet eine Spaltdichtung zur Klappenwelle 8 der Gasregelklappenanordnung 10 (siehe FIG 4) aus, indem der Bord 3a einen Innendurchmesser d aufweist, der maximal 0,1 bis 1 mm größer ist als ein Außendurchmesser D der Klappenwelle 8. 1 shows a first needle bearing unit 1 for supporting a flap shaft 8 in a sectional view, with a sleeve-shaped outer ring 2, with a arranged in the outer ring 2 needle cage 4 and guided in the needle cage 4, needle-shaped rolling elements 5, and with a sealing ring 6. The sleeve-shaped outer ring 2 has at its first end 2a and its second end 2b each have a shelf 3a, 3b. The needle cage 4 adjoins, on the one hand, the abutment 3a of the first end 2a of the outer ring 2. On the other hand, between the needle cage 4 and the board 3b of the second end 2b of the outer ring 2, the at least one sealing ring 6 is arranged. The blocking direction of the sealing ring 6 against fluids flowing in the direction of the flap shaft 8 is indicated by arrows. The board 3a at the first end 2a of the outer ring 2 forms a gap seal to the flap shaft 8 of the gas control flap assembly 10 (see FIG 4) by the board 3a has an inner diameter d which is at most 0.1 to 1 mm larger than an outer diameter D of Flap shaft 8.
FIG 2 zeigt eine zweite Nadellagereinheit 1 ' mit zwei Dichtungsringen 6a, 6b im 2 shows a second needle bearing unit 1 ' with two sealing rings 6a, 6b in
Schnittbild. Gleiche Bezugszeichen wie in FIG 1 kennzeichnen gleiche Elemente. Die Sperrrichtungen der Dichtungsringe 6a, 6b gegenüber in Richtung der Klappenwelle 8 strömenden Fluiden ist durch Pfeile dargestellt. FIG 3 zeigt eine dritte Nadellagereinheit 1 " mit einem Dichtungsring 6 im Schnittbild. Gleiche Bezugszeichen wie in FIG 1 kennzeichnen gleiche Elemente. Die Sperrrichtung des Dichtungsrings 6 gegenüber in Richtung einer Klappen- oder Aktuatoren- welle (hier nicht gezeigt) strömenden Fluiden ist durch Pfeile dargestellt. Der Bord 3a am ersten Ende 2a des Außenrings 2 ist in Form eines U-Profils ausgebildet und ragt in einen von dem Nadelkäfig 4 gebildeten Hohlraum 7 hinein. Dadurch fixiert der Bord 3a den Nadelkäfig 4 im Außenring 2. Cut. The same reference numerals as in FIG. 1 designate the same elements. The blocking directions of the sealing rings 6a, 6b against fluids flowing in the direction of the flap shaft 8 are indicated by arrows. 3 shows a third needle bearing unit 1 " with a sealing ring 6. The same reference numerals as in FIG. 1 denote the same elements The direction of locking of the sealing ring 6 against fluids flowing in the direction of a flap or actuator shaft (not shown here) is indicated by arrows The board 3a at the first end 2a of the outer ring 2 is in the form of a U-profile and protrudes into a cavity 7 formed by the needle cage 4. As a result, the board 3a fixes the needle cage 4 in the outer ring 2.
FIG 4 zeigt eine Gasklappenregelanordnung 10 mit einer Gasführungsleitung 17 im Schnittbild. Gleiche Bezugszeichen wie in Figur 1 kennzeichnen gleiche Elemente. Die Klappenwelle 8 ist im Bereich der Gasführungsleitung 17 über eine Nadellagereinheit 1 gemäß Figur 1 und weiterhin über eine weitere Nadellagereinheit 1 1 gemäß FIG 5 drehbar gelagert (siehe Doppelpfeil). An der Klappenwelle 8 ist eine Gasregelklappe 9 angeordnet, die sich mit der Klappenwelle 8 in der, ein Gas 18 führenden Gasführungsleitung 17 mitbewegt. 4 shows a throttle valve control arrangement 10 with a gas guide line 17 in a sectional view. The same reference numerals as in Figure 1 denote the same elements. The flap shaft 8 is rotatably mounted in the region of the gas guide line 17 via a needle bearing unit 1 according to Figure 1 and further via a further needle bearing unit 1 1 according to FIG 5 (see double arrow). On the flap shaft 8, a gas control flap 9 is arranged, which moves with the flap shaft 8 in the, a gas 18 leading gas guide line 17.
Die Ausgestaltung der weiteren Nadellagereinheit 1 1 wird im Schnittbild der FIG 5 erläutert. Die weitere Nadellagereinheit 1 1 weist einen büchsenförmigen Außenring 12 und einen tiefgezogenen Innenring 20 auf. Ein Ende der Klappenwelle 8 ist gemäß FIG 4 ist in den büchsenförmigen Außenring 12 hinein geführt und der Innenring 20 mit dem Ende der Klappenwelle 8 durch Aufpressen verbunden. The configuration of the further needle bearing unit 1 1 is explained in the sectional view of FIG 5. The further needle bearing unit 1 1 has a sleeve-shaped outer ring 12 and a deep-drawn inner ring 20. One end of the valve shaft 8 is shown in FIG 4 is guided in the sleeve-shaped outer ring 12 and the inner ring 20 connected to the end of the valve shaft 8 by pressing.
Zwischen dem büchsenförmigen Außenring 12 und dem Innenring 20 ist ein weiterer Nadelkäfig 14, in dem weiteren Nadelkäfig 14 geführte, weitere nadeiförmige Wälzkörper 15 und ein weiterer Dichtungsring 16 vorhanden, wobei der weitere Dichtungs- ring 16 zwischen dem weiteren Nadel käfig 14 und einer, der Gasregel klappe 9 zugewandten Seite der weiteren Nadellagereinheit 1 1 angeordnet ist. Die Sperrrichtung des weiteren Dichtungsrings 16 gegenüber in Richtung einer Klappenwelle 8 strömenden Teils des Gases 18 ist durch Pfeile dargestellt. Der Innenring 20 weist an seiner, der Gasregelklappe 9 zugewandten Seite einen von der Klappenwelle 8 weg zei- genden Innenring-Bord 20b auf. Der büchsenförmige weitere Außenring 12 weist an seiner, der Gasregelklappe 9 zugewandten Seite einen zur Klappenwelle 8 zeigenden Außenring-Bord 13b auf. Zur Fixierung des Innenrings 20 im büchsenförmigen weiteren Außenring 12 umschließt der Außenring-Bord 13b den Innenring-Bord 20b, wobei ein Spalt S mit einem Spaltmaß kleiner 0,7 mm gebildet ist. Der Spalt S bildet dabei eine Spaltdichtung aus. Insofern könnte in einer alternativen Ausgestaltung des weiteren Nadellagers 1 1 auf den weiteren Dichtungsring 16 hier auch verzichtet werden. Es ergibt sich eine besonders einfach und kostengünstig herstellbare Gasklappenre- gelanordnung 10, die mit einem Minimum an Dichtungsringen 6, 16 auskommt. Between the sleeve-shaped outer ring 12 and the inner ring 20 is another needle cage 14, in the further needle cage 14 guided, more needle-shaped rolling elements 15 and another sealing ring 16 is present, the further sealing ring 16 between the other needle cage 14 and one, the Gas control flap 9 facing side of the further needle bearing unit 1 1 is arranged. The blocking direction of the further sealing ring 16 with respect to part of the gas 18 flowing in the direction of a flap shaft 8 is indicated by arrows. On its side facing the gas control flap 9, the inner ring 20 has an inner ring flange 20b pointing away from the flap shaft 8. The sleeve-shaped further outer ring 12 has on its, the gas control flap 9 side facing the flap shaft 8 facing outer ring board 13b. For fixing the inner ring 20 in the sleeve-shaped further outer ring 12, the outer ring board 13b surrounds the inner ring board 20b, wherein a gap S is formed with a gap smaller than 0.7 mm. The gap S forms a gap seal. In this respect, it would also be possible to dispense with the further sealing ring 16 in an alternative embodiment of the further needle bearing 11. This results in a particularly easily and inexpensively producible throttle valve arrangement 10, which manages with a minimum of sealing rings 6, 16.
Die Figuren 1 bis 5 zeigen dabei lediglich Ausführungsbeispiele einer erfindungsgemäßen Nadellagereinheit bzw. Gasklappenregelanordnung. So kann die Gasklappenregelanordnung auch mit zwei erfindungsgemäßen Nadellagereinheiten gelagert sein. FIGS. 1 to 5 show merely exemplary embodiments of a needle bearing unit or throttle valve control arrangement according to the invention. Thus, the throttle valve control arrangement can also be mounted with two needle roller bearing units according to the invention.
Bezugszeichenliste LIST OF REFERENCE NUMBERS
Nadellagereinheit Needle bearing unit
2 hülsenförmiger Außenring  2 sleeve-shaped outer ring
2a erstes Ende des Außenrings  2a first end of the outer ring
2b zweites Ende des Außenrings  2b second end of the outer ring
3a,3b Bord  3a, 3b board
4 Nadelkäfig  4 needle cage
5 Wälzkörper  5 rolling elements
6,6a,6b Dichtungsring  6,6a, 6b sealing ring
7 Hohlraum  7 cavity
8 Klappenwelle  8 valve shaft
9 Gasregelklappe  9 gas control flap
10 Gasregelklappenanordnung  10 gas control flap arrangement
1 1 weitere Nadellagereinheit  1 1 additional needle roller unit
12 büchsenförmiger weiterer Außenring 12 bush-shaped further outer ring
12a erstes Ende des weiteren Außenrings12a first end of the further outer ring
12b zweites Ende des weiteren Außenrings12b second end of the other outer ring
13a Büchsenboden 13a can bottom
13b Außenring-Bord  13b outer ring board
14 weiterer Nadel käf ig  14 more needle cage
15 weitere Wälzkörper  15 more rolling elements
16 weiterer Dichtungsring  16 more sealing ring
17 Gasführungsleitung  17 gas guidance pipe
18 Gas  18 gas
20 Innenring  20 inner ring
20b Innenring-Bord  20b inner ring board
D Außendurchmesser der Klappenwelle d Innendurchmesser am Bord 3a  D Outer diameter of the valve shaft d Inner diameter on board 3a
S Spalt  S cleft

Claims

Patentansprüche claims
1 . Nadellagereinheit (1 ) zur Lagerung einer Klappen- oder Aktuatorenwelle (8), mit ei- nem hülsenförmigen Außenring (2), der an seinem ersten Ende (2a) und seinem zweiten Ende (2b) jeweils einen Bord (3a, 3b) aufweist, mit einem in dem Außenring (2) angeordneten Nadelkäfig (4) und in dem Nadelkäfig (4) geführten, nadeiförmigen Wälzkörpern (5), sowie mit mindestens einem Dichtungsring (6), dadurch gekennzeichnet, dass der Nadelkäfig (4) einerseits an den Bord (3a) des ersten Endes (2a) des Außenrings (2) angrenzt und dass andererseits zwischen dem Nadelkäfig (4) und dem Bord (3b) des zweiten Endes (2b) des Außenrings (2) der mindestens eine Dichtungsring (6) angeordnet ist. 1 . A needle bearing unit (1) for supporting a flap or actuator shaft (8), comprising a sleeve-shaped outer ring (2), each having a rim (3a, 3b) at its first end (2a) and its second end (2b). with a needle cage (4) arranged in the outer ring (2) and needle-shaped rolling elements (5) guided in the needle cage (4), and with at least one sealing ring (6), characterized in that the needle cage (4) on the one hand abuts the board (3a) of the first end (2a) of the outer ring (2) is adjacent and on the other hand between the needle cage (4) and the board (3b) of the second end (2b) of the outer ring (2), the at least one sealing ring (6) is arranged ,
2. Nadellagereinheit nach Anspruch 1 , dadurch gekennzeichnet, dass der Bord (3a) am ersten Ende (2a) des Außenrings (2) in Form eines U-Profils ausgebildet ist und in einen von dem Nadelkäfig (4) gebildeten Hohlraum (7) hineinragt. 2. needle bearing unit according to claim 1, characterized in that the board (3 a) at the first end (2 a) of the outer ring (2) is formed in the form of a U-profile and in one of the needle cage (4) formed cavity (7) protrudes ,
3. Nadellagereinheit nach Anspruch 1 oder Anspruch 2, dadurch gekennzeichnet, dass mindestens zwei Dichtungsringe (6a, 6b) vorhanden sind. 3. needle bearing unit according to claim 1 or claim 2, characterized in that at least two sealing rings (6a, 6b) are present.
4. Gasregelklappenanordnung (10) umfassend eine rotierbare Klappenwelle (8) und eine an der Klappenwelle (8) angeordnete Gasregelklappe (9), dadurch gekennzeichnet, dass die Klappenwelle (8) zumindest einseitig mit einer Nadellagereinheit 4. Gas control flap arrangement (10) comprising a rotatable flap shaft (8) and arranged on the flap shaft (8) gas control flap (9), characterized in that the flap shaft (8) at least on one side with a needle bearing unit
(1 ,1 ',1 ") nach einem der Ansprüche 1 bis 3 gelagert ist. (1, 1 ' , 1 " ) is mounted according to one of claims 1 to 3.
5. Gasregelklappenanordnung nach Anspruch 4, dadurch gekennzeichnet, dass der Bord (3a) am ersten Ende (2a) des Außenrings (2) der Nadellagereinheit (1 ,1 ',1 ") eine Spaltdichtung zur Klappenwelle (8) ausbildet, indem der Bord (3a) einen Innendurchmesser (d) aufweist, der maximal 0,1 bis 1 mm größer ist als ein Außendurch- messer (D) der Klappenwelle (8). 5. Gas control flap assembly according to claim 4, characterized in that the board (3a) at the first end (2a) of the outer ring (2) of the needle bearing unit (1, 1 ' , 1 " ) forms a gap seal to the flap shaft (8) by the board (3a) has an inner diameter (d) which is at most 0.1 to 1 mm larger than an outer diameter (D) of the flap shaft (8).
6. Gasregelklappenanordnung nach einem der Ansprüche 4 oder 5, dadurch gekennzeichnet, dass das erste Ende (2a) des Außenrings (2) der Gasregelklappe (9) zugewandt angeordnet ist. 6. Gas control valve arrangement according to one of claims 4 or 5, characterized in that the first end (2a) of the outer ring (2) of the gas control flap (9) is arranged facing.
7. Gasregelklappenanordnung nach einem der Ansprüche 4 oder 5, dadurch gekennzeichnet, dass das zweite Ende (2b) des Außenrings (2) der Gasregelklappe (9) zugewandt angeordnet ist. 7. Gas control valve arrangement according to one of claims 4 or 5, characterized in that the second end (2b) of the outer ring (2) of the gas control flap (9) is arranged facing.
8. Gasregelklappenanordnung nach einem der Ansprüche 4 bis 7, dadurch gekenn- zeichnet, dass die Klappenwelle (8) auf einer Seite der Gasregelklappe (9) mit der8. Gas control valve arrangement according to one of claims 4 to 7, characterized in that the flap shaft (8) on one side of the gas control flap (9) with the
Nadellagereinheit (1 ,1 Ί ") gelagert ist und auf einer gegenüberliegenden Seite der Gasregelklappe (9) mit einer weiteren Nadellagereinheit (1 1 ) gelagert ist, welche einen büchsenförmigen Außenring (12) und einen tiefgezogenen Innenring (20) aufweist, und wobei ein Ende der Klappenwelle (8) in den büchsenförmigen Außenring (12) hinein geführt und der Innenring (20) mit dem Ende der Klappenwelle (8) durch Aufpressen verbunden ist. Needle bearing unit (1, 1 Ί " ) is mounted and on an opposite side of the gas control flap (9) with a further needle bearing unit (1 1) is mounted, which has a sleeve-shaped outer ring (12) and a deep-drawn inner ring (20), and wherein a End of the flap shaft (8) in the bush-shaped outer ring (12) into it and the inner ring (20) with the end of the flap shaft (8) is connected by pressing.
9. Gasregelklappenanordnung nach Anspruch 8, dadurch gekennzeichnet, dass die weitere Nadellagereinheit (1 1 ) weiterhin zwischen dem büchsenförmigen Außenring (12) und dem Innenring (20) einen weiteren Nadelkäfig (14), in dem weiteren Nadelkäfig (14) geführte, weitere nadeiförmige Wälzkörper (15) und mindestens einen weiteren Dichtungsring (16) aufweist, wobei der mindestens eine weitere Dichtungsring (16) zwischen dem weiteren Nadelkäfig (14) und einer, der Gasregelklappe (9) zugewandten Seite der weiteren Nadellagereinheit (1 1 ) angeordnet ist. 9. Gas control flap arrangement according to claim 8, characterized in that the further needle bearing unit (1 1) further between the sleeve-shaped outer ring (12) and the inner ring (20) another needle cage (14), in the further needle cage (14) guided, further needle-shaped Rolling body (15) and at least one further sealing ring (16), wherein the at least one further sealing ring (16) between the further needle cage (14) and one, the gas control flap (9) facing side of the further needle bearing unit (1 1) is arranged.
10. Gasregelklappenanordnung nach Anspruch 9, dadurch gekennzeichnet, dass der Innenring (20) an seiner, der Gasregelklappe (9) zugewandten Seite einen von der Klappenwelle (8) weg zeigenden Innenring-Bord (20b) aufweist, dass der büchsen- förmige weitere Außenring (12) an seiner, der Gasregelklappe (9) zugewandten Seite einen zur Klappenwelle (8) zeigenden Außenring-Bord (13b) aufweist, und dass zur Fixierung des Innenrings (20) im büchsenförmigen weiteren Außenring (12) der Außenring-Bord (13b) den Innenring-Bord (20b) umschließt. 10. Gas control flap arrangement according to claim 9, characterized in that the inner ring (20) on its, the gas control flap (9) facing side of the flap shaft (8) pointing away inner ring board (20b), that the sleeve-shaped further outer ring (12) has on its, the gas control flap (9) facing side to the flap shaft (8) facing outer ring board (13b), and that for fixing the inner ring (20) in the sleeve-shaped further outer ring (12) of the outer ring board (13b ) surrounds the inner ring board (20b).
PCT/DE2016/200115 2015-04-27 2016-03-02 Needle bearing unit for mounting a valve shaft or actuator shaft and gas control valve arrangement WO2016173589A1 (en)

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DE102015207659.8 2015-04-27

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