DE102007031975A1 - Drive belt tensioning device for motor vehicle, has clamping member with block-part and lever part, and spring element mounted to block-unit for attachment that is mounted within carrier unit, which is designed as housing - Google Patents
Drive belt tensioning device for motor vehicle, has clamping member with block-part and lever part, and spring element mounted to block-unit for attachment that is mounted within carrier unit, which is designed as housing Download PDFInfo
- Publication number
- DE102007031975A1 DE102007031975A1 DE200710031975 DE102007031975A DE102007031975A1 DE 102007031975 A1 DE102007031975 A1 DE 102007031975A1 DE 200710031975 DE200710031975 DE 200710031975 DE 102007031975 A DE102007031975 A DE 102007031975A DE 102007031975 A1 DE102007031975 A1 DE 102007031975A1
- Authority
- DE
- Germany
- Prior art keywords
- block
- clamping device
- tendon
- spring element
- carrier unit
- 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.)
- Withdrawn
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
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H7/10—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley
- F16H7/12—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley
- F16H7/1254—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley without vibration damping means
- F16H7/1263—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley without vibration damping means where the axis of the pulley moves along a substantially straight path
-
- 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
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H7/0829—Means for varying tension of belts, ropes, or chains with vibration damping means
- F16H7/0831—Means for varying tension of belts, ropes, or chains with vibration damping means of the dry friction type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
- F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
- F02B67/06—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus driven by means of chains, belts, or like endless members
-
- 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
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0802—Actuators for final output members
- F16H2007/0806—Compression coil springs
Abstract
Description
Gebiet der ErfindungField of the invention
Die vorliegende Erfindung betrifft eine Spannvorrichtung für einen Treibriemen mit einer Trägereinheit und einem relativ hierzu geführt verschieblichen Spannglied, an welchem eine Spannrolle für den Treibriemen drehbar gelagert ist, und welche durch ein zwischen Trägereinheit und Spannglied wirkendes Federelement spannkraftbeaufschlagt ist. Ferner betrifft die Erfindung auch einen Riementrieb, umfassend eine solche Spanneinrichtung.The The present invention relates to a tensioning device for a drive belt with a carrier unit and a relative led thereto displaceable tendon, on which a Tension pulley for the drive belt is rotatably mounted, and which by a between carrier unit and tendon acting spring element is tensionkraftbeaufschlagt. Further concerns the invention also relates to a belt drive comprising such a tensioning device.
Das Einsatzgebiet der vorliegenden Erfindung erstreckt sich auf die Kraftfahrzeugtechnik. Nebenaggregate eines Kraftfahrzeuges, wie Lichtmaschine, Kühlwasserpumpe, Klimaaggregat und dergleichen werden gewöhnlich über die Kurbelwelle des Kraftfahrzeugsmotors mit angetrieben. Zu diesem Zwecke wird die von der Kurbelwelle zur Verfügung gestellte Leistung über einen Riementrieb auf die Antriebswellen solcher Nebenaggregate übertragen. Damit zwischen den einzelnen Riemenscheiben und dem Treibriemen genügend Reibung herrscht, wird der Treibriemen gewöhnlich über eine Spannvorrichtung straff gehalten, welche üblicherweise mittels Feder die erforderliche Spannkraft auf den Treibriemen aufbringt.The Field of application of the present invention extends to the Automotive technology. Ancillaries of a motor vehicle, such as Alternator, cooling water pump, air conditioning unit and the like are usually over the crankshaft of the motor vehicle engine with powered. For this purpose, the crankshaft for Provided power via a belt drive transferred to the drive shafts of such ancillaries. So between the individual pulleys and the drive belt enough friction prevails, the drive belt is usually over a tensioning device held tight, which is usually by means of spring the required clamping force on the drive belt applies.
Aus
der
Als Nachteil bei diese Lösung erweist sich jedoch ein relativ hoher Verkippungsverschleiß über die Lebensdauer. Der Verkippungsverschleiß resultiert aus der geometrischen Anordnung der miteinander zusammenwirkenden Bauteile, was es erforderlich macht, zwei Momente in zwei Richtungen zu führen.When Disadvantage of this solution, however, turns out to be a relative high tilting wear over the lifetime. The tilting wear results from the geometric Arrangement of interacting components, what it required makes two moments in two directions.
Es ist daher die Aufgabe der vorliegenden Erfindung eine Spannvorrichtung für einen Treibriemen zu schaffen, dessen Verschleiß durch Abrieb von integrierten Dämpfungselementen über die Lebensdauer minimal ist, so dass es zu weniger Verkippung der geführten Bauteile kommt.It Therefore, the object of the present invention is a clamping device for a drive belt to create its wear through Abrasion of integrated damping elements via The life span is minimal, so there is less tilting of the guided components comes.
Die Aufgabe wird ausgehend von einer Spannvorrichtung gemäß dem Oberbegriff von Anspruch 1 in Verbindung mit dessen kennzeichnenden Merkmalen gelöst. Die nachfolgenden abhängigen Ansprüche geben vorteilhafte Weiterbildungen der Erfindung wieder.The Task is based on a clamping device according to the The preamble of claim 1 in conjunction with its characterizing features solved. The following dependent claims give advantageous developments of the invention again.
Die Erfindung schließt die technische Lehre ein, dass das Spannglied aus einem Blockteil und einem sich hiervon erstreckenden Hebelteil besteht, an des sen distalem Ende die Spannrolle angeordnet ist, wobei das Federelement an dem Blockteil des Spanngliedes zur Anlage kommt, das innerhalb der als Gehäuse ausgebildeten Trägereinheit untergebracht ist.The The invention includes the technical teaching that the tendon from a block part and a lever part extending therefrom is arranged at the sen distal end of the tension roller, wherein the spring element comes to rest on the block part of the tendon, that within the carrier unit designed as a housing is housed.
Der Vorteil der erfindungsgemäßen Lösung liegt insbesondere darin, dass durch die erfindungsgemäße relative geometrische Anordnung der Bauteile nur ein einziges Moment zu führen ist. Hieraus resultiert weniger Verkippungsverschleiß, da über die Lebensdauer die Dämpfungselemente einem geringeren Abrieb unterliegen. Ein weiterer Vorteil der erfindungsgemäßen Lösung besteht darin, dass die bewegbaren Bauteile innerhalb der gehäuseartigen Trägereinheit geschützt untergebracht sind, so dass äußere Einflüsse, wie Wasser und Schmutz, nicht direkt den Bereich der gegeneinander reibenden Bauteile gelangen kann, um hier Abrieb zu erzeugen.Of the Advantage of the invention is solution in particular, that by the inventive Relative geometric arrangement of components only a single moment to lead is. This results in less tilting wear, because over the life of the damping elements subject to less abrasion. Another advantage of the invention Solution is that the movable components within protected the box-like carrier unit are accommodated so that external influences, like water and dirt, not directly the area of each other rubbing components can reach to produce abrasion here.
Vorzugsweise sind an den beiden Endbereichen des Blockteils Dämpfungselemente angebracht, über welche das Spannglied mit dem Trägerteil in Kontakt kommt. Der Vorteil dieser Maßnahme besteht darin, dass nicht entlang der gesamten Gleitfläche des Blockteils ein Dämpfungselement verlaufen muss. Die Bestückung der jeweiligen Endbereiche ist ausreichend, um die in gewünschte Dämpfung im Zusammenwirken mit dem ortsfesten Gehäuse zu bewirken.Preferably are at the two end portions of the block part damping elements attached, via which the tendon with the support member comes into contact. The advantage of this measure is that not along the entire sliding surface of the block part a damping element must run. The equipment the respective end regions is sufficient to those in desired Damping in cooperation with the stationary housing to effect.
Vorzugsweise bestehen die Dämpfungselemente aus Kunststoff und sind formschlüssig mit dem Blockteil verbunden. Zu diesem Zwecke kann beispielsweise eine formschlüssige Anformung seitens des Blockteils mit einer korrespondierenden Nut seitens der Dämpfungselemente in Eingriff kommen. Die Dämpfungselemente brauchen dann während der Montage nur auf das Blockteil aufgeschoben zu werden, ehe die Baueinheit insgesamt in das Gehäuse eingesetzt wird. So eingeschlossen bleiben die Dämpfungselemente am Blockteil fixiert.Preferably the damping elements are made of plastic and are positively connected to the block part. For this purpose For example, a positive Anformung part of the Block part with a corresponding groove on the part of the damping elements get in touch. The damping elements then need pushed during assembly only on the block part to be, before the assembly in total in the housing is used. So included remain the damping elements fixed to the block part.
Um die Dämpfungselemente möglichst gleichmäßig zu belasten, wird gemäß einer weiteren die Erfindung verbessernden Maßnahme vorgeschlagen, dass bezüglich der Längsachse des Hebelteils die Bauteile Spannrolle, Blockteile und Dämpfungselemente symmetrisch angeordnet sind.To the damping elements as possible to load uniformly, it is proposed according to a further measure improving the invention that with respect to the longitudinal axis of the lever part, the components tensioning roller, block parts and damping elements are arranged symmetrically.
Im Zusammenwirken mit dem Blockteil des Spanngliedes wird das Federelement vorzugsweise schräg zur Bewegungsrichtung angeordnet. Hierdurch wirkt die Spannkraft auch schräg im einem Winkel von vorzugsweise ca. 10–20 Grad auf den Spannblock, so dass sich die Dämpfungselemente durch die Spannkraft bereits leicht an das Gehäuse anlegen, was ein klappern oder vibrieren an dieser Stelle wirkungsvoll verhindert.in the Cooperation with the block part of the tendon is the spring element preferably arranged obliquely to the direction of movement. hereby The clamping force also acts obliquely at an angle of preferably about 10-20 degrees on the clamping block, so that the damping elements through already apply the clamping force to the housing, which is easy a rattling or vibrating effectively prevented at this point.
Das einstückige Spannglied wird vorzugsweise als Leichmetall-Gussteil oder Blechbiegeteil ausgeführt. Nach beiden Alternativen lässt es sich fertigungstechnisch einfach herstellen. Bei der Gestaltung als Leichtmetall-Gussteil, vorzugsweise Aluminiumguss, ist darauf zu achten, dass eine ausreichende Bruchfestigkeit gegeben ist.The one-piece tendon is preferably used as a light metal casting or sheet metal part executed. After both alternatives makes it easy to manufacture. at the design as a light metal casting, preferably cast aluminum, Care should be taken to ensure adequate break strength is.
Gemäß einer weiteren die Erfindung verbessernden Maßnahme wird vorgeschlagen, das Hebelteil durch einen schmalen Längsschlitz der gehäusebildenden Trägereinheit hindurch zuführen. Hierdurch lässt sich eine schmutzgeschützte Unterbringung von Blockteil mit Dämpfungselementen und Federelement realisieren. Um die Abkapselung weiter zu verbessern wird vorgeschlagen, den Längsschlitz mit nach außen ragendem Randrinnen zu versehen.According to one further measure improving the invention is proposed the lever part through a narrow longitudinal slot of the housing forming Feed the carrier unit through. This leaves a dirt-protected accommodation of block part realize with damping elements and spring element. Around To further improve the encapsulation is proposed, the longitudinal slot with to provide outward protruding troughs.
Weitere die Erfindung verbessernde Maßnahmen werden nachstehend gemeinsam mit der Beschreibung eines bevorzugten Ausführungsbeispiels der Erfindung anhand der Figuren näher dargestellt. Es zeigt:Further The measures improving the invention will be described below together with the description of a preferred embodiment of the invention with reference to the figures shown in more detail. It shows:
Gemäß
Zum
Spannen des Treibriemens
Das
Blockteil
Gemäß
Gemäß
Die Erfindung ist nicht beschränkt auf das vorstehend beschriebene bevorzugte Ausführungsbeispiel. Es sind auch Abwandlungen hiervon möglich, welche vom Schutzbereich der nachfolgenden Ansprüche umfasst sind. So ist es beispielsweise auch möglich, die Dämpfungselemente nicht allein nur an den beiden Endbereichen des Blockteils anzubringen, sondern über die gesamte mit dem Gehäuse in Kontakt kommende Fläche zu erstrecken.The invention is not limited to the preferred embodiment described above. Modifications are also possible, which are included within the scope of the following claims. Thus, for example, it is also possible to attach the damping elements not only only to the two end regions of the block part, but over the entire with the housing extend into contact surface.
- 11
- Trägereinheitsupport unit
- 22
- Befestigungslaschemounting tab
- 33
- Spanngliedtendon
- 44
- Blockteilblock section
- 55
- Hebelteillever part
- 66
- Spannrolleidler
- 77
- Treibriemenbelts
- 88th
- Federelementspring element
- 99
- Dämpfungselementdamping element
- 1010
- Längsschlitzlongitudinal slot
- 1111
- Randrinneedge groove
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - EP 1373759 B1 [0003] - EP 1373759 B1 [0003]
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200710031975 DE102007031975A1 (en) | 2007-07-10 | 2007-07-10 | Drive belt tensioning device for motor vehicle, has clamping member with block-part and lever part, and spring element mounted to block-unit for attachment that is mounted within carrier unit, which is designed as housing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200710031975 DE102007031975A1 (en) | 2007-07-10 | 2007-07-10 | Drive belt tensioning device for motor vehicle, has clamping member with block-part and lever part, and spring element mounted to block-unit for attachment that is mounted within carrier unit, which is designed as housing |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102007031975A1 true DE102007031975A1 (en) | 2009-01-15 |
Family
ID=40121348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200710031975 Withdrawn DE102007031975A1 (en) | 2007-07-10 | 2007-07-10 | Drive belt tensioning device for motor vehicle, has clamping member with block-part and lever part, and spring element mounted to block-unit for attachment that is mounted within carrier unit, which is designed as housing |
Country Status (1)
Country | Link |
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DE (1) | DE102007031975A1 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1373759B1 (en) | 2001-02-20 | 2007-05-02 | The Gates Corporation | Linear tensioner |
-
2007
- 2007-07-10 DE DE200710031975 patent/DE102007031975A1/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1373759B1 (en) | 2001-02-20 | 2007-05-02 | The Gates Corporation | Linear tensioner |
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Legal Events
Date | Code | Title | Description |
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8127 | New person/name/address of the applicant |
Owner name: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG, 91074 H, DE |
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R081 | Change of applicant/patentee |
Owner name: SCHAEFFLER TECHNOLOGIES AG & CO. KG, DE Free format text: FORMER OWNER: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG, 91074 HERZOGENAURACH, DE Effective date: 20120823 Owner name: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG, DE Free format text: FORMER OWNER: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG, 91074 HERZOGENAURACH, DE Effective date: 20120823 |
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R081 | Change of applicant/patentee |
Owner name: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG, DE Free format text: FORMER OWNER: SCHAEFFLER TECHNOLOGIES AG & CO. KG, 91074 HERZOGENAURACH, DE Effective date: 20140211 Owner name: SCHAEFFLER TECHNOLOGIES AG & CO. KG, DE Free format text: FORMER OWNER: SCHAEFFLER TECHNOLOGIES AG & CO. KG, 91074 HERZOGENAURACH, DE Effective date: 20140211 |
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R012 | Request for examination validly filed |
Effective date: 20140408 |
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R081 | Change of applicant/patentee |
Owner name: SCHAEFFLER TECHNOLOGIES AG & CO. KG, DE Free format text: FORMER OWNER: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG, 91074 HERZOGENAURACH, DE Effective date: 20150122 |
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R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |