WO2014087446A1 - Tendeur automatique - Google Patents

Tendeur automatique Download PDF

Info

Publication number
WO2014087446A1
WO2014087446A1 PCT/JP2012/007744 JP2012007744W WO2014087446A1 WO 2014087446 A1 WO2014087446 A1 WO 2014087446A1 JP 2012007744 W JP2012007744 W JP 2012007744W WO 2014087446 A1 WO2014087446 A1 WO 2014087446A1
Authority
WO
WIPO (PCT)
Prior art keywords
tensioner
tensioner arm
boss
support shaft
coil spring
Prior art date
Application number
PCT/JP2012/007744
Other languages
English (en)
Japanese (ja)
Inventor
洋行 出牛
Original Assignee
日本イスエード株式会社
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 日本イスエード株式会社 filed Critical 日本イスエード株式会社
Priority to JP2014550806A priority Critical patent/JPWO2014087446A1/ja
Priority to PCT/JP2012/007744 priority patent/WO2014087446A1/fr
Publication of WO2014087446A1 publication Critical patent/WO2014087446A1/fr

Links

Images

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
    • F16H7/1209—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley with vibration damping means
    • F16H7/1218—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley with vibration damping means of the dry friction type
    • 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

Definitions

  • the present invention relates to an auto tensioner used in a belt drive mechanism that transmits, for example, a driving force of an automobile engine to another driven pulley by a single transmission belt.
  • An auto tensioner is, for example, a belt drive mechanism that transmits the driving force of an automobile engine to another driven pulley by a single transmission belt, and prevents the transmission belt from being bent by applying tension to the transmission belt.
  • the driven pulley is used to reliably transmit the driving force.
  • an auto tensioner there is a tensioner arm in which a tensioner pulley is rotatably mounted on one side to a pivot bolt that is a support shaft provided in a tensioner cup that is a fixed base fixed to a predetermined part such as an engine block.
  • the coil spring is placed in the tensioner cup so as to fit around the pivot bolt, and one end of the coil spring is locked to the tensioner cup and the other end is engaged with the tensioner arm.
  • Patent Document 1 There is one in which the tensioner arm is rotated and biased by a coil spring in a direction in which the transmission belt is tensioned (see, for example, Patent Document 1).
  • the auto tensioner described in Patent Document 1 has a structure in which the tensioner cup has a deep bottom, and a cylindrical portion to which a pivot bolt is attached is provided on the bottom, and the tensioner arm has a complicated structure. In most cases, the tensioner cup and the tensioner arm having such a structure are manufactured by casting.
  • An object of the present invention is to provide an auto tensioner capable of reducing the weight and facilitating manufacturing and further reducing the cost.
  • the invention according to claim 1 is directed to a fixed base, a support shaft standing on the fixed base, a tensioner pulley rotatably attached to one end, and the other end.
  • a tensioner arm rotatably supported by a support shaft and a coil spring that urges the tensioner arm in the rotational direction between the fixed base and the tensioner arm are disposed
  • Each of the tensioner arms is made of a single metal plate, and in the fixed base, a boss is provided at a substantially center thereof, and one end side of the support shaft is press-fitted and fixed to the boss, and the tensioner arm is fixed to the tensioner arm.
  • a boss is provided at substantially the center of the end opposite to the tensioner pulley mounting side, the boss is rotatably fitted to the outer periphery of the other end of the support shaft, and the coil spring is fixed to the fixed spring. It is arranged on the outer periphery of the boss of the base and the boss of the tensioner arm, and its one end is locked to the fixed base by springing in the winding direction of the coil spring, and the other end is coil spring to the tensioner arm. It is characterized by being locked by bullet in the winding direction.
  • the tensioner arm according to the first aspect of the present invention is characterized in that a periphery thereof is raised to form a rib.
  • the cylindrical frictional resistance member according to any one of the first or second aspect, wherein the tubular frictional resistance member serves as a rotational resistance of the tensioner arm between the boss of the tensioner arm and the support shaft. It is characterized by being interposed.
  • the invention according to claim 4 is characterized in that the cylindrical frictional resistance member according to claim 3 is prevented from rotating between the fitting portion of the support shaft.
  • the fitting portion of the support shaft, into which the boss of the tensioner arm is fitted has an end direction toward the end direction.
  • the boss of the tensioner arm and the cylindrical frictional resistance member are also formed in an inverted conical shape corresponding to the fitting portion of the support shaft, and the coil spring is formed of the fixed base. It is arrange
  • an axial hole is formed in an axial direction in the support shaft, and a fixing bolt having a head is inserted and fixed in the axial hole.
  • a ring-shaped frictional resistance member that abuts against the tensioner arm surface between the head of the fixing bolt and the end of the support shaft and serves as resistance to rotation of the tensioner arm; and the ring on the tensioner arm surface side
  • a wave washer for biasing the frictional resistance member is interposed.
  • a seventh aspect of the present invention includes the temporary fixing mechanism according to any one of the first to sixth aspects, wherein the tensioner arm is temporarily fixed to the fixed base in a state where the coil spring is accumulated in the winding direction. It is characterized by having.
  • the fixed base and the tensioner arm are each formed of a single metal plate, the weight can be significantly reduced as compared with a cast product. It is suitable for application to a drive system of an automobile that is required to be lighter.
  • the fixed base has a boss formed substantially in the center thereof, and the tensioner arm is formed of a tensioner pulley. Since the boss is formed in the approximate center of the end opposite to the attachment side, the boss can be easily manufactured by pressing, and the cost can be reduced.
  • the tensioner arm according to the first aspect of the invention has a rib formed by raising the periphery thereof, so that the strength is maintained even if the tensioner arm is thinned.
  • the weight of the auto tensioner can be further reduced.
  • the cylinder serving as resistance to rotation of the tensioner arm between the boss of the tensioner arm and the support shaft according to claim 1. Since the frictional resistance member is interposed, the vibration of the transmission belt can be damped by the damping force acting on the tensioner arm by the cylindrical frictional resistance member, thereby effectively tensioning the transmission belt. In addition, it is possible to prevent damage to the connection portion between the fixed base and the tensioner arm due to vibration of the transmission belt.
  • the cylindrical frictional resistance member according to the third aspect is prevented from rotating between the fitting portion of the support shaft, the rotation is the cylindrical shape. Since only the frictional resistance member and the tensioner arm are provided and the resistance of the cylindrical frictional resistance member acts only on the tensioner arm, a large damping force can be applied to the tensioner arm by the cylindrical frictional resistance member. .
  • the fitting portion of the support shaft into which the boss of the tensioner arm is fitted is an end toward the end portion. It has an inverse conical shape with a large diameter in the part direction, the boss of the tensioner arm and the cylindrical frictional resistance member also have an inverse conical shape corresponding to the fitting part of the support shaft, and the coil spring is
  • the tensioner arm is arranged in a state where pressure is accumulated in the axial direction between the fixed base and the tensioner arm and biases the tensioner arm in the push-up direction, so that the tensioner arm biased in the axial direction by the coil spring Since the boss is always in pressure contact with the fitted cylindrical frictional resistance member, the resistance of the cylindrical frictional resistance member always acts on the tensioner arm, and the cylindrical frictional resistance member It can act reliably damping force Nshonaamu.
  • the tensioner arm is pushed in the axial direction by the coil spring and moved upward, so that the boss of the tensioner arm is moved. And the cylindrical frictional resistance member are always kept in pressure contact with each other, and a damping force can be reliably applied to the tensioner arm by the cylindrical frictional resistance member.
  • the support shaft according to any one of the third to fifth aspects, wherein the support shaft has an axial hole formed in an axial direction, and the fixing bolt having a head in the axial hole.
  • a ring-shaped frictional resistance member that is inserted and fixed, abuts against the tensioner arm surface between the head of the fixing bolt and the end of the support shaft, and serves as a resistance to rotation of the tensioner arm, and the tensioner arm surface side Since the wave washer for biasing the ring-shaped frictional resistance member is interposed, the ring-shaped frictional resistance member biased by the wave washer is always in pressure contact with the tensioner arm surface. The resistance of the ring-shaped frictional resistance member always acts on the tensioner arm, and the ring-shaped frictional resistance member causes a more reliable damping force to act on the tensioner arm. Door can be.
  • the temporary fixing according to any one of the first to sixth aspects, wherein the tension spring is temporarily fixed to the fixed base in a state where the coil spring is accumulated in the winding direction.
  • the tensioner pulley attached to the tensioner arm of the auto tensioner fixed to a predetermined part of the engine block or the like is pressed against the transmission belt to be tensioned, the winding direction is released by unfixing the temporary fixing mechanism.
  • the tensioner arm is rotated by the elastic force of the coil spring in the state where the pressure is accumulated, and the tensioner pulley is pressed against the transmission belt, whereby the transmission belt can be easily tensioned.
  • FIG. 9 is a sectional view taken along line BB in FIG.
  • FIG. 1 It is a top view which shows the ring-shaped frictional resistance member used in the 1st example. It is CC sectional drawing of FIG. It is a top view which shows the 2nd example of embodiment of the auto tensioner which concerns on this invention. It is a longitudinal cross-sectional view of FIG. It is a top view which shows the fixed base used in the 2nd example. It is DD sectional drawing of FIG. It is a perspective view which shows the tensioner arm currently used in the 2nd example. It is a longitudinal cross-sectional view of FIG. It is a top view which shows the coil spring currently used in the 2nd example.
  • FIG. 1 is a plan view of this example
  • FIG. 2 is a longitudinal sectional view of FIG. 1
  • FIG. FIG. 4 is a sectional view taken on line AA of FIG. 3
  • FIG. 5 is a perspective view showing a tensioner arm used in this example
  • FIG. 6 is a longitudinal section of FIG. 7 is a plan view showing a coil spring used in this example
  • FIG. 8 is a perspective view showing a cylindrical frictional resistance member used in the first example
  • FIG. 9 is a cross section taken along line BB in FIG.
  • FIG. 10 is a plan view showing a ring-shaped frictional resistance member used in the first example
  • FIG. 11 is a sectional view taken along the line CC of FIG.
  • the tensioner arm 5 is freely mounted and the other end is rotatably supported by the support shaft 3.
  • the tensioner arm 5 is interposed between the fixed base 2 and the tensioner arm 5 to urge the tensioner arm 5 in the rotation direction.
  • a coil spring 6 to be configured.
  • the fixed base 2 is composed of a single metal plate, and a boss 7 into which one end side of the support shaft 3 is press-fitted is protruded on the upper surface side at substantially the center thereof.
  • a locking portion 8 is provided at the edge of the fixed base 2 so that the one end portion 6 a of the coil spring 6 is locked by the spring of the coil spring 6 in the winding direction.
  • a fixed piece 10 constituting a part of a temporary fixing mechanism 9 that temporarily fixes the tensioner arm 5 to the fixed base 2 in a state where the coil spring 6 is accumulated in the winding direction is provided at the other edge of the fixed base 2. Is provided.
  • the fixed piece 10 has a configuration in which a part of the edge of the fixed base 2 is raised and leveled.
  • the fixing piece 10 is provided with a locking hole 11 in the horizontal portion 10a.
  • a shaft hole 12 is formed in the center in this example, and a fixing bolt 13 is provided in the shaft hole 12.
  • the tensioner arm 5 inserted through the head 13a and fitted to the outer periphery of the support shaft 3 is prevented from being pulled out.
  • the support shaft 3 not only prevents the tensioner arm 5 from being pulled out, but also serves as a means for fixing the fixed base 2 to the fixed portion A.
  • the support shaft 3 is formed in the female screw hole 14 provided in the fixed portion X. By screwing, the tensioner arm 5 fitted to the outer periphery of the support shaft 3 is prevented from being pulled out, and the fixed base 2 is fixed to the fixed portion X.
  • the tensioner arm 5 is composed of a single metal plate, and is rotatable about the outer periphery of the support shaft 3 at the approximate center of the end opposite to the mounting side of the tensioner pulley 4.
  • a boss 15 is provided on the lower surface side.
  • a locking portion 16 that protrudes from the lower surface side of the tensioner arm 5 is locked to the other end portion 6 b of the coil spring 6 by a spring in the winding direction of the coil spring 6.
  • the tensioner arm 5 is provided with a coil spring 6 that will be described later, together with the fixed piece 10 provided on the fixed base 2, at the edge of the tensioner arm 5 on the side opposite to the mounting side of the tensioner pulley 4.
  • a fixing piece 17 constituting a part of a temporary fixing mechanism 9 for temporarily fixing the arm 5 to the fixed base 2 is provided.
  • the fixed piece 17 has a configuration in which a part of the edge of the tensioner arm 5 is suspended and the tip is horizontal, and a locking hole 18 is provided in the horizontal portion 17a.
  • the horizontal portion 17 a of the fixed piece 17 is configured to overlap the horizontal portion 10 a of the fixed piece 10 provided on the fixed base 2, and the horizontal portion 17 a of the fixed piece 17 and the horizontal portion of the fixed piece 10 provided on the fixed base 2.
  • 10a is in a state of accumulating a coil spring 6 to be described later in the winding direction, the locking hole 18 of the horizontal portion 17a of the fixed piece 17 and the horizontal portion of the fixed piece 10 provided in the fixed base 2
  • the coil spring 6 can be held in a state in which pressure is accumulated in the winding direction by inserting an appropriate detachable stopper into the locking hole 11 of 10a.
  • a pulley shaft hole 19 for attaching the tensioner pulley 4 rotatably is provided on the attachment side of the tensioner pulley 4 of the tensioner arm 5.
  • the rib 20 is formed by raising the peripheral edge of the tensioner arm. A part of the rib 20 also serves as a locking portion 16 that the other end portion 6 b of the coil spring 6 is locked.
  • the tensioner arm 5 is rotatably fitted on the outer periphery of the support shaft 3 in which one end side is press-fitted into a boss 7 provided on the fixed base 2 with a boss 15 projecting on the lower surface side.
  • the fixing bolt 13 inserted through the shaft hole 12 is prevented from coming off from the support shaft 3 by the head 13a.
  • the boss 7 of the fixed base 2 and the boss 15 of the tensioner arm 5 fitted to the outer periphery of the support shaft 3 are arranged.
  • the one end 6 a is locked to the locking portion 8 provided on the fixed base 2 by the spring in the winding direction of the coil spring 6, and the other end 6 b is locked to the locking portion 16 provided on the tensioner arm 5.
  • the coil spring 6 is locked by the spring in the winding direction, and accumulated in the winding direction when the horizontal portion 17a of the fixed piece 17 and the horizontal portion 10a of the fixed piece 10 provided on the fixed base 2 overlap. It is comprised so that it may be in a state.
  • the coil spring 6 is disposed between the fixed base 2 and the tensioner arm 5 in a state where pressure is accumulated in the axial direction, and constantly biases the tensioner arm 5 in the upward direction.
  • a cylindrical frictional resistance member 21 that is a resistance to rotation of the tensioner arm 5 is interposed between the boss 15 of the tensioner arm 5 and the support shaft 3.
  • the cylindrical frictional resistance member 21 is made of synthetic resin.
  • the longitudinal grooves 22 are formed in the circumferential direction on the surface of the cylindrical frictional resistance member 21. A plurality are formed.
  • the fitting portion 3a of the support shaft 3 into which the boss 15 of the tensioner arm 5 is fitted has an inverted conical shape having a diameter increasing toward the end portion, and in accordance therewith.
  • the boss 15 of the tensioner arm 5 and the cylindrical frictional resistance member 21 also have an inverted conical shape corresponding to the fitting portion 3 a of the support shaft 3. Further, the cylindrical frictional resistance member 21 is prevented from rotating between the fitting portion 3 a of the support shaft 3.
  • a key groove 23 is formed in the axial direction in the fitting portion 3 a of the support shaft 3, and a key 24 that engages with the key groove 23 is provided on the inner peripheral surface of the cylindrical frictional resistance member 21. ing.
  • a ring-shaped frictional resistance member 25 serving as a resistance and a wave washer 26 for biasing the ring-shaped frictional resistance member 25 are interposed on the surface side of the tensioner arm 5. Further, the ring-shaped frictional resistance member 25 is prevented from rotating between the ends of the support shaft 3.
  • a projecting piece 27 is formed on the lower surface of the ring-shaped frictional resistance member 25, and the projecting piece 27 is engaged with a key groove 23 formed on the support shaft 3.
  • the auto tensioner 1 of this example configured as described above is in a state before being fixed to the fixed portion X, and the horizontal portion 10a of the fixing piece 10 provided on the fixing base 2 constituting the temporary fixing mechanism 9 and the tensioner arm. 5 is overlapped with the horizontal portion 17a of the fixing piece 17, and an appropriate stopper is inserted into the locking hole 11 of the horizontal portion 10a of the fixing piece 10 and the locking hole 18 of the horizontal portion 17a of the fixing piece 17.
  • the coil spring 6 is in a state of being accumulated in the winding direction.
  • the fixing bolt 13 inserted through the support shaft 3 press-fitted into the boss 7 provided in the fixed base 2 is screwed into the female screw hole 14 provided in the fixed portion X. By doing so, it is fixed to a predetermined part of the fixed part X.
  • the tensioner pulley 4 attached to the tensioner arm 5 of the auto tensioner 1 fixed to a predetermined portion of the fixed portion X is pressed against the transmission belt in order to hold the locking hole 11 of the horizontal portion 10a of the fixing piece 10 and the fixing piece 17 horizontally.
  • the temporary fixing mechanism 9 is unlocked, and the tensioner arm 5 is rotated by the elastic force of the coil spring 6 that has been accumulated in the winding direction. Then, the tensioner pulley 4 is pressed against the transmission belt, and tension is applied to the transmission belt.
  • the cylindrical friction that acts as a resistance to rotation of the tensioner arm 5 is provided between the boss 15 of the tensioner arm 5 and the support shaft 3. Since the resistance member 21 is interposed, the vibration of the transmission belt is attenuated by the damping force acting on the tensioner arm 5 by the cylindrical frictional resistance member 21, thereby effectively applying tension to the transmission belt. In addition, the connection portion between the fixed base 2 and the tensioner arm 5 can be prevented from being damaged by the vibration of the transmission belt.
  • a key groove 23 is formed in the axial direction in the fitting portion 3 a of the support shaft 3, and a key 24 that engages with the key groove 23 is formed on the inner peripheral surface of the cylindrical frictional resistance member 21. Since the cylindrical friction resistance member 21 is provided between the fitting portion 3a of the support shaft 3 and is prevented from rotating, the rotation is only between the cylindrical friction resistance member 21 and the tensioner arm 5, and the cylindrical friction resistance. Since the resistance of the member 21 acts only on the tensioner arm 5, a large damping force is applied to the tensioner arm 5 by the cylindrical frictional resistance member 21.
  • the fitting part 3a of the support shaft 3 into which the boss 15 of the tensioner arm 5 is fitted has an inverted conical shape whose diameter increases in the end direction toward the end direction
  • the boss 15 and the cylindrical frictional resistance member 21 of the tensioner arm 5 also have an inverted conical shape corresponding to the fitting portion 3a of the support shaft 3, and the coil spring 6 includes the fixed base 2 and the tensioner arm 5. Since the tensioner arm 5 is always urged in the push-up direction, the boss 15 of the tensioner arm 5 urged in the axial direction by the coil spring 6 has a cylindrical friction. The resistance member 21 is always in pressure contact.
  • the resistance of the cylindrical frictional resistance member 21 always acts on the tensioner arm 5, and a damping force is applied to the tensioner arm 5 by the cylindrical frictional resistance member 21. Even if the surface of the cylindrical frictional resistance member 21 is worn by the rotation of the tensioner arm 5, the tensioner arm 5 is pushed in the axial direction by the coil spring 6 and moved upward, whereby the boss 15 of the tensioner arm 5 is moved. Therefore, the cylindrical frictional resistance member 21 effectively applies a damping force to the tensioner arm 5.
  • the tensioner arm 5 is in contact with the surface of the tensioner arm 5 between the head 13 a of the fixing bolt 13 inserted through the shaft hole 12 formed in the support shaft 3 and the end of the support shaft 3. 5 and a wave washer 26 for urging the ring-shaped frictional resistance member 25 on the surface side of the tensioner arm 5 are interposed, so that the wave washer 26 is urged. Since the ring-shaped frictional resistance member 25 is always in pressure contact with the surface of the tensioner arm 5, the resistance of the ring-shaped frictional resistance member 25 always acts on the tensioner arm 5. A damping force is applied to the.
  • the weight can be significantly reduced as compared with a cast product, and the manufacture can be easily performed by a press. It can be manufactured and the cost can be reduced. Further, since the tensioner arm 5 is raised at the periphery thereof to form the rib 20, the strength can be maintained even if the tensioner arm 5 is thinned, and the auto tensioner 1 can be further reduced in weight.
  • FIG. 12 to 19 show a second example of the embodiment of the auto tensioner according to the present invention.
  • FIG. 12 is a plan view of this example
  • FIG. 13 is a longitudinal sectional view of FIG. 12
  • FIG. 15 is a cross-sectional view taken along the line DD of FIG. 14,
  • FIG. 16 is a perspective view of the tensioner arm used in this example
  • FIG. 17 is a vertical cross-sectional view of FIG.
  • symbol is attached
  • the coil spring 6 is formed in a shape in which one end 6a and the other end 6b are bent in the reverse direction outside the coil.
  • the tip of the one end 6a of the coil spring 6 abuts.
  • a recess 8 a is formed, and the tip of the one end 6 a of the coil spring 6 is in contact with the recess 8 a by being elastic in the winding direction of the coil spring 6.
  • the locking portion 16 provided on the tensioner arm 5 locked by the other end portion 6b of the coil spring 6 is formed with a recess portion 16a with which the tip of the other end portion 6b of the coil spring 6 abuts.
  • the tip of the other end portion 6b of the coil spring 6 is in contact with 16a due to the spring of the coil spring 6 in the winding direction.
  • the auto tensioner 1 of this example configured as described above has a coil spring 6 whose one end portion 6a is in contact with a concave portion 8a formed in a locking portion 8 provided on an edge portion of the fixed base 2, and a coil spring 6 Since the tip of the other end portion 6 b of the spring 6 is in contact with a recess 16 a formed in a locking portion 16 provided on the tensioner arm 5, the tensioner arm 5 is rotated to accumulate pressure on the coil spring 6 in the winding direction.
  • the coil spring 6 receives the elastic force in the rewinding direction of the coil spring 6, the end of the one end portion 6 a of the coil spring 6 is securely received by the recess 8 a formed in the locking portion 8 provided on the fixed base 2.
  • the end of the other end portion 6b of the coil spring 6 can be reliably received by the recess 16a formed in the locking portion 16 provided on the tensioner arm 5, and the fixed base 2 and the coil spring can be received.
  • the state in which the coil spring 6 is accumulated in the winding direction can be reliably held between the hooks 6, and the accumulated pressure can be reliably transmitted to the tensioner arm 5 without losing the pressure, and the tensioner arm 5 can be rotated. . Since other configurations and effects are the same as those of the first embodiment, the description of the first example is cited.

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

Tendeur automatique pourvu d'une base de fixation (2), d'une tige de support (3) placée à la verticale sur la base de fixation (2), d'un bras de tension (5) possédant une poulie de tension (4) fixée par une extrémité et ayant l'autre extrémité supportée rotative par la tige de support (3), et d'un ressort hélicoïdal (6) disposé entre la base de fixation (2) et le bras de tension (5) pour solliciter le bras de tension (5) dans la direction de rotation. La base de fixation (2) et le bras de tension (5) sont constitués d'une seule feuille métallique, la base de fixation (2) possédant un bossage (7) situé approximativement au centre de celle-ci, et la tige de support (3) est fixée par une extrémité au bossage (7) par ajustement par pression. Le bras de tension (5) possède un bossage (15) situé approximativement au centre de celui-ci dans une section d'extrémité sur le côté opposé au côté auquel est fixée la poulie de tension (5). Le bossage (15) est installé rotatif sur la périphérie à l'autre extrémité de la tige de support (3). Le ressort hélicoïdal (6) est disposé autour de la périphérie du bossage (7) de la base de fixation (2) et du bossage (15) du bras de tension (5), le ressort hélicoïdal (6) comportant une extrémité bloquée sur la base de fixation (2) par élasticité dans la direction d'enroulement de celui-ci et l'autre extrémité bloquée sur le bras de tension (5) par élasticité dans la direction d'enroulement de celui-ci.
PCT/JP2012/007744 2012-12-03 2012-12-03 Tendeur automatique WO2014087446A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2014550806A JPWO2014087446A1 (ja) 2012-12-03 2012-12-03 オートテンショナ
PCT/JP2012/007744 WO2014087446A1 (fr) 2012-12-03 2012-12-03 Tendeur automatique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2012/007744 WO2014087446A1 (fr) 2012-12-03 2012-12-03 Tendeur automatique

Publications (1)

Publication Number Publication Date
WO2014087446A1 true WO2014087446A1 (fr) 2014-06-12

Family

ID=50882905

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/007744 WO2014087446A1 (fr) 2012-12-03 2012-12-03 Tendeur automatique

Country Status (2)

Country Link
JP (1) JPWO2014087446A1 (fr)
WO (1) WO2014087446A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017003088A (ja) * 2015-06-15 2017-01-05 日本イスエード株式会社 オートテンショナ
JP2022505590A (ja) * 2018-10-23 2022-01-14 ゲイツ コーポレイション テンショナ

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58501389A (ja) * 1981-09-11 1983-08-18 デイコ　プロダクツ、インコーポレイテッド ベルト引張装置、そのための部品、およびその製造方法
JPH0542800U (ja) * 1991-11-07 1993-06-11 光洋精工株式会社 オートテンシヨナ
JP2003278862A (ja) * 2002-03-27 2003-10-02 Mitsuboshi Belting Ltd オートテンショナ
JP2006283798A (ja) * 2005-03-31 2006-10-19 Bando Chem Ind Ltd 揺動型減衰装置およびそれを備えたベルトテンショナ装置
JP2008032037A (ja) * 2006-07-26 2008-02-14 Mitsuboshi Belting Ltd オートテンショナ

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58501389A (ja) * 1981-09-11 1983-08-18 デイコ　プロダクツ、インコーポレイテッド ベルト引張装置、そのための部品、およびその製造方法
JPH0542800U (ja) * 1991-11-07 1993-06-11 光洋精工株式会社 オートテンシヨナ
JP2003278862A (ja) * 2002-03-27 2003-10-02 Mitsuboshi Belting Ltd オートテンショナ
JP2006283798A (ja) * 2005-03-31 2006-10-19 Bando Chem Ind Ltd 揺動型減衰装置およびそれを備えたベルトテンショナ装置
JP2008032037A (ja) * 2006-07-26 2008-02-14 Mitsuboshi Belting Ltd オートテンショナ

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017003088A (ja) * 2015-06-15 2017-01-05 日本イスエード株式会社 オートテンショナ
JP2022505590A (ja) * 2018-10-23 2022-01-14 ゲイツ コーポレイション テンショナ
JP7276725B2 (ja) 2018-10-23 2023-05-18 ゲイツ コーポレイション テンショナ

Also Published As

Publication number Publication date
JPWO2014087446A1 (ja) 2017-01-05

Similar Documents

Publication Publication Date Title
JP6796965B2 (ja) テンショニング装置
EP3482101B1 (fr) Tendeur rotatif
CA2938432C (fr) Tendeur
JP5491641B2 (ja) テンショナ
US6857979B2 (en) Combination belt tensioner and idler
JP4922667B2 (ja) テンショナ
US9212731B2 (en) Tensioner with multiple nested torsion springs
KR20080080987A (ko) 벨트 인장장치 및 조립방법
JP2016105018A (ja) ベルトテンショニング装置
AU2010281741B2 (en) Driving force transmission apparatus and adjustment method thereof
JP2008057763A (ja) プーリ構造体
JP6162162B2 (ja) オートテンショナ
EP1169199B1 (fr) Tendeur reversible
WO2014087446A1 (fr) Tendeur automatique
US20130217525A1 (en) Belt tensioning device with locating pin
US20150031484A1 (en) Tensioner with single torsion spring having multiple nested windings
CN109690134A (zh) V形张紧器及环形传动装置
JP6246080B2 (ja) オートテンショナ
JP5598976B2 (ja) サイドスタンドスイッチおよびサイドスタンド装置
JP6367128B2 (ja) オートテンショナ
JP5865789B2 (ja) オートテンショナ
JP2017211049A (ja) オートテンショナ
JP5918043B2 (ja) オートテンショナ
JP2004132390A (ja) オートテンショナ
JP6373230B2 (ja) オートテンショナ

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12889624

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2014550806

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12889624

Country of ref document: EP

Kind code of ref document: A1