CN110671477A - Damping enhanced automatic belt tensioner - Google Patents
Damping enhanced automatic belt tensioner Download PDFInfo
- Publication number
- CN110671477A CN110671477A CN201911198640.7A CN201911198640A CN110671477A CN 110671477 A CN110671477 A CN 110671477A CN 201911198640 A CN201911198640 A CN 201911198640A CN 110671477 A CN110671477 A CN 110671477A
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- Prior art keywords
- friction ring
- tensioning arm
- ring
- stop block
- rotary tensioning
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- 238000013016 damping Methods 0.000 title claims abstract description 28
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 4
- 241000282472 Canis lupus familiaris Species 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000003825 pressing Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Images
Classifications
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- 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
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- 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
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- 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
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- 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
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- 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
- F16H2007/0863—Finally actuated members, e.g. constructional details thereof
- F16H2007/0865—Pulleys
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention relates to a damping enhanced automatic belt tensioner which is characterized by comprising a base, a main shaft, a rotary tensioning arm, a spiral spring, a supporting ring and a friction ring, wherein the spiral spring is a spiral torsion spring with two ends free of bent feet and is sleeved on the main shaft, the supporting ring is coaxially sleeved outside the spiral spring, the friction ring is a circular member with an opening, the friction ring is positioned and abutted against the outer circumferential surface of the supporting ring, 2 wedge-shaped stop blocks are arranged at the opening of the friction ring, an upper stop block on the rotary tensioning arm is clamped in the opening of the friction ring, the upper end of the spiral spring is abutted against 1 wedge-shaped stop block of the friction ring and abuts against the upper stop block, and the spiral spring drives the rotary tensioning arm to rotate around the main shaft so as to enable a belt pulley on the rotary tensioning arm to be abutted against. The invention has simple and compact structure, can output enhanced friction damping force in the whole service life, and has the function of automatic compensation of friction ring abrasion, so that the belt tension of the engine belt wheel system is kept constant.
Description
Technical Field
The present invention relates to an automatic tensioner for maintaining tension in an automotive engine belt and absorbing vibration, and more particularly, to a damping enhanced automatic belt tensioner.
Background
Automatic tensioners for automotive engine belts are now well known and generally comprise a member which drives a pulley engaging the engine belt by means of a spring or other drive means, the pulley being mounted by bearings on a rotating tensioner arm which pivots about a mounting base which receives the spring or other drive means which drives the rotating tensioner arm to pivot so as to maintain a constant tension in the engine belt. Conventional tensioners also include a friction member that provides frictional damping for the automatic tensioner as the rotating tensioner arm is articulated.
Although automatic tensioners employing this technology are widely used, they suffer from several disadvantages. In particular, the friction member is required to output a large amount of frictional damping to the tensioner and is required to be constant, and it is common for the friction member to wear, which may result in a change in the friction surface, and a discrepancy between the initial and later states of the friction surface may result in an unstable output of the frictional damping, eventually leading to an engine belt slip or early failure.
Disclosure of Invention
The applicant carries out research and improvement aiming at the problems and provides a damping enhanced type automatic belt tensioner which is simple and compact in structure, can output enhanced friction damping force in the whole service life, has automatic compensation of friction ring abrasion, effectively solves the transverse vibration and longitudinal vibration in the operation process of an engine belt, keeps the belt tension of an engine belt wheel train constant and saves the energy consumption of an engine.
In order to solve the technical problems, the invention adopts the following technical scheme:
a damping-enhanced automatic belt tensioner comprising:
a base, which is a cup-shaped member with an opening;
the main shaft is coaxially arranged in the base, and the lower end of the main shaft is die-cast at the bottom of the base;
one end part of the rotary tensioning arm covers the opening of the base and is rotatably connected to the upper end of the main shaft, and the other end part of the rotary tensioning arm is provided with a rotatable belt pulley attached to an engine belt;
the spiral spring is a spiral torsion spring without bent feet at two ends and is coaxially sleeved on the main shaft;
the supporting ring is a circular ring-shaped element with an opening, is coaxially sleeved outside the spiral spring, the inner surface of the supporting ring is contacted with the outer surface of the spiral spring, and is provided with a positioning groove which is clamped on the positioning lug on the rotary tensioning arm;
the friction ring is a circular ring-shaped element with an opening, the friction ring is positioned and abutted against the outer circumferential surface of the supporting ring, and the inner wall of the friction ring is contacted with the outer wall of the supporting ring;
positioning bayonets are arranged at two ends of the supporting ring, inner clamping blocks are arranged on the inner wall of the friction ring, end clamping blocks are arranged at the upper end of the friction ring, and the inner clamping blocks and the end clamping blocks of the friction ring are respectively clamped in the corresponding positioning bayonets on the supporting ring; 2 wedge-shaped stop blocks are symmetrically arranged at the upper end of the opening of the friction ring, an upper stop block is arranged on the rotary tensioning arm, a lower stop block is arranged at the bottom of the base, the upper stop block on the rotary tensioning arm is clamped in the opening of the friction ring, the lower end of the spiral spring abuts against the lower stop block, the upper end of the spiral spring abuts against 1 wedge-shaped stop block of the friction ring and enables the wedge-shaped stop block to abut against the upper stop block, and the spiral spring drives the rotary tensioning arm to rotate around the main shaft so as to enable a belt pulley on the rotary tensioning arm to be attached to an engine belt; when the rotary tensioning arm rotates to enable the belt pulley to be attached to an engine belt, the spiral spring is twisted, so that the outer diameter of the spiral spring is increased to prop open the supporting ring, the radial extrusion force of the supporting ring enables the friction ring to be outwards propped open to be attached to the inner wall of the base, and the friction ring and the inner wall of the base slide relatively to generate friction damping to absorb vibration from the engine belt.
Further:
the rotary tensioning arm is provided with a positioning clamping groove matched with the wedge-shaped stop block and the end clamping block of the friction ring, and the wedge-shaped stop block and the end clamping block of the friction ring are clamped in the positioning clamping groove.
The main shaft is provided with a coaxial central through hole.
And an upper left spiral surface and an upper right spiral surface are respectively arranged on two sides of the upper stop block of the rotary tensioning arm.
And a lower left spiral surface and a lower right spiral surface are respectively arranged on two sides of the lower baffle block of the base.
And the outer wall of the friction ring is provided with a plurality of axial through grooves.
The rotary tensioning arm is provided with a stroke limiting groove, and the base is provided with a stroke limiting lug.
The main shaft with be equipped with the bush between the gyration hole of rotatory tensioning arm, the bush is the cylinder annular member, the bush hole has wear-resistant coating, the hole of bush with be clearance fit between the main shaft, the gyration hole of rotatory tensioning arm with be interference fit between the bush.
The invention has the technical effects that:
the damping enhanced automatic belt tensioner disclosed by the invention has a simple and compact structure, can output enhanced friction damping force in the whole service life, has automatic compensation of friction ring abrasion, effectively solves the transverse vibration and longitudinal vibration in the operation process of an engine belt, keeps the belt tension of an engine belt wheel train constant, and saves the energy consumption of an engine.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged sectional view taken along line a-a of fig. 1.
Fig. 3 is a three-dimensional blasting diagram of the present invention.
Fig. 4 is a schematic three-dimensional structure of the friction ring.
FIG. 5 is a schematic three-dimensional view of a support ring.
FIG. 6 is a schematic view of a three-dimensional mounting structure of a friction ring and a support ring.
Figure 7 is a schematic three-dimensional structure of a rotary tensioner arm.
Fig. 8 is a three-dimensional structure diagram of the base.
Fig. 9 is a three-dimensional structure diagram of the external form of the present invention.
FIG. 10 is a force analysis diagram of the friction ring.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3, the present invention comprises a base 10, a spindle 9, a rotary tensioning arm 4, a coil spring 11, a supporting ring 12 and a friction ring 13, wherein the base 10 is a cup-shaped member with an opening, the spindle 9 is coaxially installed in the base 10, the lower end of the spindle 9 is die-cast on the bottom of the base 10, a containing chamber is formed in the base 10, the spindle 9 is provided with a coaxial central through hole 91, and the tensioner passes through the central through hole 91 of the spindle 9 and is fixedly installed on a housing of an engine by bolts. One end of the rotary tensioning arm 4 covers an opening of the base 10 and is rotatably connected to the upper end of the spindle 9, a bushing 3 is arranged between the spindle 9 and a rotary hole of the rotary tensioning arm 4, the bushing 3 is a cylindrical ring-shaped member, an inner hole of the bushing 3 is provided with a wear-resistant coating, the inner hole of the bushing 3 is in clearance fit with the spindle 9, and the rotary hole of the rotary tensioning arm 4 is in interference fit with the bushing 3. The riveting plate 1 is mounted at the upper end of the main shaft 9 in a pressing mode and used for axial limiting of the rotary tensioning arm 4, the sliding gasket 2 is arranged between the riveting plate 1 and the rotary tensioning arm 4, the sliding gasket 2 is made of nylon materials, and the rotary tensioning arm 4 is enabled to rotate flexibly. The other end of the rotary tensioning arm 4 is provided with a rotatable belt pulley 6 attached to an engine belt, the belt pulley 6 is mounted on the rotary tensioning arm 4 through a bearing 5, a dust cover 8 and a bolt 7, and the bearing 5 is a rolling bearing. The spiral spring 11 is a spiral torsion spring (as shown in fig. 3) with two ends not having bent legs, is coaxially sleeved on the main shaft 9 and is positioned in the accommodating chamber of the base 10, and when the rotary tensioning arm 4 rotates, the spiral spring 11 provides a force for tensioning the belt of the engine to compress the belt. The supporting ring 12 is a circular ring-shaped member with an opening, the supporting ring 12 is coaxially sleeved outside the coil spring 11, the inner surface of the supporting ring contacts the outer surface of the coil spring 11, the supporting ring 12 is used for fixing the friction ring 13 and adding rigidity to the friction ring 13, the supporting ring 12 is provided with a positioning groove 121 (as shown in fig. 5), and the positioning groove 121 is clamped on a positioning lug 41 (as shown in fig. 7) on the rotary tensioning arm 4, so that the supporting ring 12 cannot rotate relative to the rotary tensioning arm 4 in the circumferential direction. The friction ring 13 is a circular ring-shaped member having an opening, the friction ring 13 is positioned against the outer circumferential surface of the support ring 12, and the inner wall of the friction ring 13 contacts the outer wall of the support ring 12 (see fig. 6). Be equipped with a plurality of axial logical grooves 134 on the outer wall of friction ring 13, can coat grease in logical groove 134, ensure the effective slip of friction ring 13, reduce wear, fine abrasive dust also can hold wherein in addition, ensures that friction ring 13 is laminated with the inner wall of base 10 better after the pressurized, guarantees tensioning ware's stable performance.
As shown in fig. 4, 5 and 6, the two ends of the support ring 12 are provided with positioning bayonets 122, the inner wall of the friction ring 13 is provided with inner bayonets 133 (as shown in fig. 3 and 4), the upper end of the friction ring 13 is provided with end bayonets 132, and the inner bayonets 133 and the end bayonets 132 of the friction ring 13 are respectively clamped in the corresponding positioning bayonets 122 of the support ring 12, so that the friction ring 13 and the support ring 12 are fixed to each other. The upper end symmetry of the opening part of friction ring 13 is provided with 2 wedge dogs 131, be equipped with last dog 44 on rotatory tensioning arm 4 (as figure 7), the bottom of base 10 is equipped with down dog 101 (as figure 8), last dog 44 joint on rotatory tensioning arm 4 is in the opening of friction ring 13, the lower extreme of coil spring 11 supports on down dog 101, the upper end of coil spring 11 supports on 1 wedge dog 131 of friction ring to rely on coil spring 11's torsional force to order about wedge dog 131 and offset with last dog 44 (as figure 2, 4, 7). In actual use, coil spring 11 drives rotary tensioning arm 4 to rotate around main shaft 9 so as to make belt pulley 6 on rotary tensioning arm 4 fit with an engine belt, when rotary tensioning arm 4 rotates so as to make belt pulley 6 fit with the engine belt, coil spring 11 is twisted so that the outer diameter is enlarged to expand supporting ring 12, the radial pressing force of supporting ring 12 expands friction ring 13 outwards so as to fit on the inner wall of base 10, and friction damping is generated when friction ring 13 slides relative to the inner wall of base 10 so as to absorb vibration from the engine belt. The rotary tensioning arm 4 is provided with a positioning slot 42 (fig. 7) matched with the wedge-shaped stop 131 and the end stop 132 of the friction ring 13, and the wedge-shaped stop 131 and the end stop 132 of the friction ring 13 are clamped in the positioning slot 42, so that the friction ring 13 and the support ring 12 can be positioned better.
In the present invention, the coil spring 11 may be a left-handed coil torsion spring or a right-handed coil torsion spring, and the direction in which the tensioner tensions the belt is conveniently changed by changing the rotation direction of the coil spring 11. In order to accommodate and position two types of helical torsion springs, in the present invention, the upper stop 44 of the rotary tensioning arm 4 is provided with an upper left helical surface 48 and an upper right helical surface 47 on both sides, the lower stop 101 of the base 10 is provided with a lower left helical surface 105 and a lower right helical surface 106 on both sides, the upper stop 44 is provided with a left support surface 46 and a right support surface 45 on both sides, the lower stop 101 is provided with a left support surface 103 and a right support surface 104 on both sides, in this embodiment, the helical spring 11 is a left-handed helical torsion spring, as shown in fig. 2 and 7, the upper end of the helical spring 11 abuts against 1 wedge-shaped stop 131 of the friction ring 13, the wedge-shaped stop 131 is urged to abut against the left support surface 46 of the upper stop 44 by the torsional force of the helical spring 11, and the lower end of the helical spring 11 abuts against the left support surface 103 of the lower stop 101. When the coil spring 11 is a right-hand coil torsion spring, the upper end of the coil spring 11 abuts against the other wedge-shaped stopper 131 of the friction ring 13, and the wedge-shaped stopper 131 is urged against the right bearing surface 45 of the upper stopper 44 by the torsion force of the coil spring 11, and the lower end of the coil spring 11 abuts against the right bearing surface 104 of the lower stopper 101.
As shown in fig. 10, which is a stress analysis diagram of the friction ring, when the coil spring 11 is twisted to increase the outer diameter, so as to expand the support ring 12, the radial pressing force of the support ring 12 expands the friction ring 13 outwards, so as to generate a positive pressure F1 exerted on the inner wall of the base 10, under the action of the positive pressure F1, the friction force is generated by the relative sliding between the friction ring 13 and the inner wall of the base 10, and at the same time, the coil spring 11 is twisted to make the upper end of the coil spring 11 exert an additional pressure Ft on the wedge-shaped stopper 131 of the friction ring 13, due to the action of the wedge-shaped stopper 131 of the friction ring 13 and the sliding slope of the positioning slot 42 on the rotation tensioning arm 4, so as to increase the positive pressure F1 exerted on the inner wall of the base 10 by the friction ring 13, thereby increasing the friction force when the friction ring 13 slides relative to.
In practical use, when an automobile engine is accelerated, a belt is instantaneously stretched, the tensioning arm 4 rotates under the action of the spiral spring 11 to perform rotary motion for pressing the belt of the engine, the outer diameter of the spiral spring 11 contracts, the positive pressure between the friction ring 13 and the inner wall of the base 10 is reduced, the friction force between the friction ring 13 and the inner wall of the base 10 is greatly reduced, the damping is reduced, the belt pulley 6 is driven by the rotation of the tensioning arm 4, the belt is quickly pressed, the purpose of instantaneously tensioning the belt is achieved, and the belt is effectively prevented from shaking.
When an automobile engine decelerates, an engine belt instantly rebounds to shorten, the rotary tensioning arm 4 pushes the rotary tensioning arm 4 to do reverse direction rotary motion due to the reaction force of the engine belt, the spiral spring 11 twists to increase the outer diameter, the supporting ring 12 is propped open, the radial extrusion force of the supporting ring 12 enables the friction ring 13 to be propped open outwards, so that high friction damping is generated between the friction ring 13 and the inner wall of the base 10, the friction damping is instantly increased, the rotary tensioning arm 4 is prevented from violently shaking due to the reaction force of the belt, and the normal operation of an automobile engine belt wheel system is ensured. After the tensioner works for a long time, the friction ring 13 is bound to generate abrasion due to the existence of friction force, when the friction ring 13 is assembled in the tensioner assembly, the friction ring 13 is elastically pre-tensioned, so that real-time compensation can be provided when the friction ring is abraded, and the enhancement and constancy of the damping performance of the tensioner are ensured.
In addition, in the present embodiment, as shown in fig. 9, the stroke limiting groove 43 is provided on the rotary tensioner arm 4, the stroke limiting projection 102 is provided on the base 10, and the stroke limiting projection 102 is inserted into the stroke limiting groove 43 to limit the stroke range of the rotary tensioner arm 4.
Claims (8)
1. A damping-enhanced automatic belt tensioner, comprising:
a base, which is a cup-shaped member with an opening;
the main shaft is coaxially arranged in the base, and the lower end of the main shaft is die-cast at the bottom of the base;
one end part of the rotary tensioning arm covers the opening of the base and is rotatably connected to the upper end of the main shaft, and the other end part of the rotary tensioning arm is provided with a rotatable belt pulley attached to an engine belt;
the spiral spring is a spiral torsion spring without bent feet at two ends and is coaxially sleeved on the main shaft;
the supporting ring is a circular ring-shaped element with an opening, is coaxially sleeved outside the spiral spring, the inner surface of the supporting ring is contacted with the outer surface of the spiral spring, and is provided with a positioning groove which is clamped on the positioning lug on the rotary tensioning arm;
the friction ring is a circular ring-shaped element with an opening, the friction ring is positioned and abutted against the outer circumferential surface of the supporting ring, and the inner wall of the friction ring is contacted with the outer wall of the supporting ring;
positioning bayonets are arranged at two ends of the supporting ring, inner clamping blocks are arranged on the inner wall of the friction ring, end clamping blocks are arranged at the upper end of the friction ring, and the inner clamping blocks and the end clamping blocks of the friction ring are respectively clamped in the corresponding positioning bayonets on the supporting ring; 2 wedge-shaped stop blocks are symmetrically arranged at the upper end of the opening of the friction ring, an upper stop block is arranged on the rotary tensioning arm, a lower stop block is arranged at the bottom of the base, the upper stop block on the rotary tensioning arm is clamped in the opening of the friction ring, the lower end of the spiral spring abuts against the lower stop block, the upper end of the spiral spring abuts against 1 wedge-shaped stop block of the friction ring and enables the wedge-shaped stop block to abut against the upper stop block, and the spiral spring drives the rotary tensioning arm to rotate around the main shaft so as to enable a belt pulley on the rotary tensioning arm to be attached to an engine belt; when the rotary tensioning arm rotates to enable the belt pulley to be attached to an engine belt, the spiral spring is twisted, so that the outer diameter of the spiral spring is increased to prop open the supporting ring, the radial extrusion force of the supporting ring enables the friction ring to be outwards propped open to be attached to the inner wall of the base, and the friction ring and the inner wall of the base slide relatively to generate friction damping to absorb vibration from the engine belt.
2. The damping enhanced automatic belt tensioner as claimed in claim 1, wherein: the rotary tensioning arm is provided with a positioning clamping groove matched with the wedge-shaped stop block and the end clamping block of the friction ring, and the wedge-shaped stop block and the end clamping block of the friction ring are clamped in the positioning clamping groove.
3. The damping enhanced automatic belt tensioner as claimed in claim 1, wherein: the main shaft is provided with a coaxial central through hole.
4. The damping enhanced automatic belt tensioner as claimed in claim 1, wherein: and an upper left spiral surface and an upper right spiral surface are respectively arranged on two sides of the upper stop block of the rotary tensioning arm.
5. The damping enhanced automatic belt tensioner as claimed in claim 1, wherein: and a lower left spiral surface and a lower right spiral surface are respectively arranged on two sides of the lower baffle block of the base.
6. The damping enhanced automatic belt tensioner as claimed in claim 1, wherein: and the outer wall of the friction ring is provided with a plurality of axial through grooves.
7. The damping enhanced automatic belt tensioner as claimed in claim 1, wherein: the rotary tensioning arm is provided with a stroke limiting groove, and the base is provided with a stroke limiting lug.
8. The damping enhanced automatic belt tensioner as claimed in claim 1, wherein: the main shaft with be equipped with the bush between the gyration hole of rotatory tensioning arm, the bush is the cylinder annular member, the bush hole has wear-resistant coating, the hole of bush with be clearance fit between the main shaft, the gyration hole of rotatory tensioning arm with be interference fit between the bush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911198640.7A CN110671477A (en) | 2019-11-29 | 2019-11-29 | Damping enhanced automatic belt tensioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911198640.7A CN110671477A (en) | 2019-11-29 | 2019-11-29 | Damping enhanced automatic belt tensioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110671477A true CN110671477A (en) | 2020-01-10 |
Family
ID=69088224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911198640.7A Pending CN110671477A (en) | 2019-11-29 | 2019-11-29 | Damping enhanced automatic belt tensioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110671477A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550536A (en) * | 2020-06-10 | 2020-08-18 | 无锡永凯达齿轮有限公司 | Bidirectional linkage type automatic belt tensioning device |
| CN113651271A (en) * | 2021-07-07 | 2021-11-16 | 浙江捷昌线性驱动科技股份有限公司 | Self-locking mechanism, motor and linear actuator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080035779A1 (en) * | 2003-12-22 | 2008-02-14 | Wolfgang Guhr | Automatic Belt Tensioner |
| CN101688593A (en) * | 2007-07-05 | 2010-03-31 | 谢夫勒两合公司 | Damping device of a mechanical tensioning system for a traction mechanism drive |
| CN103174807A (en) * | 2013-04-01 | 2013-06-26 | 无锡永凯达齿轮有限公司 | Automatic tensioning device |
| CN103423392A (en) * | 2013-08-09 | 2013-12-04 | 宁波丰茂远东橡胶有限公司 | Tensioning wheel with asymmetrical damping mechanism |
| US20160146313A1 (en) * | 2013-05-14 | 2016-05-26 | Litens Automotive Partnership | Tensioner with improved damping |
| CN107387693A (en) * | 2017-09-21 | 2017-11-24 | 无锡永凯达齿轮有限公司 | The belt stress compensated automatically with unidirectional high-damping |
| CN108443439A (en) * | 2018-05-16 | 2018-08-24 | 无锡永凯达齿轮有限公司 | Asymmetric adjustable damping automatic tensioner |
| CN211009770U (en) * | 2019-11-29 | 2020-07-14 | 无锡永凯达齿轮有限公司 | Damping enhanced automatic belt tensioner |
-
2019
- 2019-11-29 CN CN201911198640.7A patent/CN110671477A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080035779A1 (en) * | 2003-12-22 | 2008-02-14 | Wolfgang Guhr | Automatic Belt Tensioner |
| CN101688593A (en) * | 2007-07-05 | 2010-03-31 | 谢夫勒两合公司 | Damping device of a mechanical tensioning system for a traction mechanism drive |
| CN103174807A (en) * | 2013-04-01 | 2013-06-26 | 无锡永凯达齿轮有限公司 | Automatic tensioning device |
| US20160146313A1 (en) * | 2013-05-14 | 2016-05-26 | Litens Automotive Partnership | Tensioner with improved damping |
| CN103423392A (en) * | 2013-08-09 | 2013-12-04 | 宁波丰茂远东橡胶有限公司 | Tensioning wheel with asymmetrical damping mechanism |
| CN107387693A (en) * | 2017-09-21 | 2017-11-24 | 无锡永凯达齿轮有限公司 | The belt stress compensated automatically with unidirectional high-damping |
| CN108443439A (en) * | 2018-05-16 | 2018-08-24 | 无锡永凯达齿轮有限公司 | Asymmetric adjustable damping automatic tensioner |
| CN211009770U (en) * | 2019-11-29 | 2020-07-14 | 无锡永凯达齿轮有限公司 | Damping enhanced automatic belt tensioner |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550536A (en) * | 2020-06-10 | 2020-08-18 | 无锡永凯达齿轮有限公司 | Bidirectional linkage type automatic belt tensioning device |
| CN113651271A (en) * | 2021-07-07 | 2021-11-16 | 浙江捷昌线性驱动科技股份有限公司 | Self-locking mechanism, motor and linear actuator |
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