DE19815692B4 - chain tensioner - Google Patents
chain tensioner Download PDFInfo
- Publication number
- DE19815692B4 DE19815692B4 DE1998115692 DE19815692A DE19815692B4 DE 19815692 B4 DE19815692 B4 DE 19815692B4 DE 1998115692 DE1998115692 DE 1998115692 DE 19815692 A DE19815692 A DE 19815692A DE 19815692 B4 DE19815692 B4 DE 19815692B4
- Authority
- DE
- Germany
- Prior art keywords
- eccentric
- chain
- chain tensioner
- tensioner according
- fixed support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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
-
- 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
- F16H2007/081—Torsion springs
-
- 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
- F16H2007/0889—Path of movement of the finally actuated member
- F16H2007/0893—Circular path
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
Kettenspanner mit Federelement und zwei Anlenkpunkten, wobei mindestens an einem Anlenkpunkt die Kettenschiene unter Federkraft gegen die Kette verstellbar ist, dadurch gekennzeichnet, dass am verstellbaren Anlenkpunkt ein zwischen einem festen Tragbolzen (5) und der Kettenschiene (2) angreifender, über Umfangsflächen (6, 9, 11, 12) gelagerter doppelter Verstellexzenter (4) vorgesehen ist mit einem zwischen einem ersten Exzenter (8) und einem zweiten Exzenter (10) angeordneten, diese gegenläufig verstellenden Federelement (13).chain tensioner with spring element and two articulation points, wherein at least one Anlenkpunkt the chain rail under spring force against the chain adjustable is, characterized in that the adjustable pivot point a between a fixed support bolt (5) and the chain rail (2) engaging over peripheral surfaces (6, 9, 11, 12) mounted double displacement eccentric (4) is with one between a first eccentric (8) and a second Eccentric (10) arranged, this counter-adjusting spring element (13).
Description
Die Erfindung betrifft einen Kettenspanner nach dem Oberbegriff des Hauptanspruches.The The invention relates to a chain tensioner according to the preamble of Main claim.
Durch
die
Im Bereich des Schwenklagers ist es mit geringen Mitteln möglich, das betreffende Ende der Kettenschiene zuverlässig zu führen und insbesondere gegen Kippen zu schützen.in the Area of the pivot bearing, it is possible with low resources, the Reliable to lead concerned end of the chain rail and especially against To protect tilting.
Um im Bereich des Langloches ebenfalls ein Kippen zu verhindern, ist höchste Präzision erforderlich. Eine zuverlässige Positionierung des betreffenden Endes der Kettenschiene ist nur möglich, wenn hier die präzise Bearbeitung eines Linearlagers vorgesehen wird. Dazu müssen mehrere ebene Flächen mit engen Toleranzen gefertigt werden. Die genaue Bearbeitung ist erforderlich, da bereits geringste Abweichungen genügen, um der Kette ein Abdriften von der Kettenschiene zu ermöglichen. Selbst wenn dies durch die hohe Spannung kompensiert wird, verbleibt eine einseitige Abnützung der gleitenden Elemente untereinander.Around In the area of the slot is also to prevent tilting is highest precision required. A reliable one Positioning of the relevant end of the chain rail is only possible, if this is the precise one Machining a linear bearing is provided. This requires several flat surfaces with tight tolerances are made. The exact processing is required since even the slightest deviations are sufficient to make the chain drift to allow from the chain rail. Even if this is compensated by the high voltage, one remains one-sided wear the sliding elements among each other.
Aus
der
Aufgabe der Erfindung ist es, einen Kettenspanner der eingangs genannten Art zu schaffen, der an beiden Enden achs- und kippstabil geführt ist und der sich ausreichend nachstellen lässt.task The invention is a chain tensioner of the aforementioned To create type, which is guided at both ends axle and tilt stable and which can be sufficiently adjusted.
Die Aufgabe wird dadurch gelöst, dass am verstellbaren Anlenkpunkt ein zwischen einem festen Tragbolzen und der Kettenschiene angreifender, über Umfangsflächen gelagerter doppelter Verstellexzenter vorgesehen ist mit zwischen einem ersten Exzenter und einem zweiten Exzenter angeordnetem, diese gegenläufig verstellenden Federelement.The Task is solved by that at the adjustable pivot point between a fixed support pin and the chain rail attacking, mounted on peripheral surfaces double adjustment eccentric is provided with between a first eccentric and a second eccentric arranged, these counter-adjusting Spring element.
Die Exzenterbewegung wird bei dieser Lösung ausschließlich über Bohrungs- und Mantelflächen erreicht. Diese lassen sich auf einfache Weise präzise in engen Toleranzen herstellen, so dass eine passgenaue Führung preiswert erreicht wird. Obwohl an der betreffenden Stelle durch die zweifache Anordnung von Exzentern ein großer Verstellbereich erzielt wird, besteht in allen Positionen eine gegen Kippen und axiale Bewegung gesicherte Lagerung des Kettenspanners.The Eccentric motion is used in this solution exclusively via bore and lateral surfaces reached. These can be precisely in a simple way produce close tolerances, so that a tailor-made leadership inexpensive is reached. Although at the point concerned by the twofold Arrangement of eccentrics a big one Adjustment range is achieved in all positions against Tilting and axial movement secured storage of the chain tensioner.
Diese und weitere Merkmale werden nachfolgend an dem in der Zeichnung dargestellten Beispiel beschrieben.These and further features are described below in the drawing described example.
Es zeigen:It demonstrate:
Der
Kettenspanner nach
Er
besteht aus einer an einem Tragkörper
Er
besteht aus einem inneren, kleineren Exzenter
An
den axialen Endbereichen des inneren Exzenters
Der äußere größere Exzenter
Zwischen
den beiden Exzentern
Alle
Gleitflächen
Die
Anordnung des doppelten Verstellexzenters
Für noch größere Verstellbewegungen
ist es selbstverständlich
möglich,
an beiden Enden des Tragkörpers
Claims (5)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1998115692 DE19815692B4 (en) | 1998-04-08 | 1998-04-08 | chain tensioner |
FR9904314A FR2777334B1 (en) | 1998-04-08 | 1999-04-07 | CHAIN TENSIONER |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1998115692 DE19815692B4 (en) | 1998-04-08 | 1998-04-08 | chain tensioner |
Publications (2)
Publication Number | Publication Date |
---|---|
DE19815692A1 DE19815692A1 (en) | 1999-10-14 |
DE19815692B4 true DE19815692B4 (en) | 2007-04-26 |
Family
ID=7863947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1998115692 Expired - Fee Related DE19815692B4 (en) | 1998-04-08 | 1998-04-08 | chain tensioner |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE19815692B4 (en) |
FR (1) | FR2777334B1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005033015A1 (en) * | 2005-07-15 | 2007-01-18 | Schaeffler Kg | Chain tensioner |
DE102009013984B4 (en) * | 2009-03-19 | 2015-08-27 | Audi Ag | chain tensioner |
CN103511570B (en) * | 2012-06-26 | 2016-09-07 | 比亚迪股份有限公司 | A kind of tensioning apparatus |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2030386A1 (en) * | 1970-06-19 | 1971-12-23 | Winkelhofer & Soehne Joh | Tensioner for endless transmission links, especially for chains |
DE4015028A1 (en) * | 1990-05-10 | 1992-01-16 | Skf Gmbh | PRE-ADJUSTABLE CLAMPING DEVICE |
DE4301850A1 (en) * | 1993-01-24 | 1994-07-28 | Ruecker Gmbh | Automatic mechanical transmission belt tensioning system |
DE19643321A1 (en) * | 1995-11-30 | 1997-06-05 | Borg Warner Automotive | Chain tensioner with coil spring |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3908818C1 (en) * | 1989-03-17 | 1990-07-26 | Skf Gmbh, 8720 Schweinfurt, De | Resiliently adjustable tensioning device |
DE4042745B4 (en) * | 1990-10-24 | 2009-12-03 | Skf Gmbh | Spring-adjustable clamping device |
-
1998
- 1998-04-08 DE DE1998115692 patent/DE19815692B4/en not_active Expired - Fee Related
-
1999
- 1999-04-07 FR FR9904314A patent/FR2777334B1/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2030386A1 (en) * | 1970-06-19 | 1971-12-23 | Winkelhofer & Soehne Joh | Tensioner for endless transmission links, especially for chains |
DE4015028A1 (en) * | 1990-05-10 | 1992-01-16 | Skf Gmbh | PRE-ADJUSTABLE CLAMPING DEVICE |
DE4301850A1 (en) * | 1993-01-24 | 1994-07-28 | Ruecker Gmbh | Automatic mechanical transmission belt tensioning system |
DE19643321A1 (en) * | 1995-11-30 | 1997-06-05 | Borg Warner Automotive | Chain tensioner with coil spring |
Also Published As
Publication number | Publication date |
---|---|
FR2777334A1 (en) | 1999-10-15 |
DE19815692A1 (en) | 1999-10-14 |
FR2777334B1 (en) | 2005-01-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
8364 | No opposition during term of opposition | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |