CN112855850A - One-way damping decoupler with tubular torque spring - Google Patents

One-way damping decoupler with tubular torque spring Download PDF

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Publication number
CN112855850A
CN112855850A CN202110266781.9A CN202110266781A CN112855850A CN 112855850 A CN112855850 A CN 112855850A CN 202110266781 A CN202110266781 A CN 202110266781A CN 112855850 A CN112855850 A CN 112855850A
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CN
China
Prior art keywords
spring
mandrel
torque spring
friction
vibration damping
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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.)
Pending
Application number
CN202110266781.9A
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Chinese (zh)
Inventor
刘增岗
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Yangtong Auto Parts Co ltd
Original Assignee
Ningbo Yangtong Auto Parts Co ltd
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.)
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Publication date
Application filed by Ningbo Yangtong Auto Parts Co ltd filed Critical Ningbo Yangtong Auto Parts Co ltd
Priority to CN202110266781.9A priority Critical patent/CN112855850A/en
Publication of CN112855850A publication Critical patent/CN112855850A/en
Pending legal-status Critical Current

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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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
    • F16F15/121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
    • F16F15/123—Wound springs
    • F16F15/1232—Wound springs characterised by the spring mounting
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
    • 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
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/32—Friction members
    • F16H55/36—Pulleys
    • 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
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/32—Friction members
    • F16H55/36—Pulleys
    • F16H2055/366—Pulleys with means providing resilience or vibration damping

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Pulleys (AREA)

Abstract

The invention discloses a one-way damping decoupler with a tubular torque spring, comprising: the inner surface of the belt hub forms an accommodating space; the transmission shaft is fixed in the mandrel, and the outer surface of the mandrel protrudes outwards to form a baffle; the partition plate is arranged on the outer surface of the mandrel, one side of the partition plate is contacted with the baffle plate protruding out of the mandrel, and the other side of the partition plate is contacted with the first end of the torque spring; a torque spring, a clamping groove is arranged in the first end of the torque spring and is used for mounting a hitching leg at the first end of the friction spring and contacting with the clapboard, an inner boss is arranged at the second end in the inner diameter direction and is fixed on the outer surface of the mandrel, and arc gaps or spiral gaps which are staggered with each other in the circumferential direction are arranged on the tube wall of the torque spring; the first end of the friction spring is provided with a hanging pin which is positioned in the clamping groove at the first end of the torque spring; one or more arcuate spacers are positioned between the arcuate slits of the torsion spring.

Description

One-way damping decoupler with tubular torque spring
Technical Field
The invention relates to a one-way damping decoupler with a tubular torque spring, in particular to a one-way damping belt pulley for an alternating current generator, which is arranged on a transmission shaft of the alternating current generator, the outer ring of the belt pulley fluctuates along with the rotating speed of the engine, but the rotating speed fluctuation of a belt pulley mandrel is reduced.
Background
The traditional automobile generator belt pulley runs synchronously with the rotating speed of an automobile engine, and the rotating speed of a generator changes when the rotating speed of the engine changes. The engine has the advantages that because the cylinders work alternately, the output torque and the output rotating speed of the engine are uneven (generally presenting a sine wave shape), particularly when the engine is accelerated or decelerated suddenly, the rotating speed of the generator belt pulley is changed along with the speed, but because the rotational inertia of the generator rotor is large, the rotating speed of the generator rotor and the rotating speed of the engine are not synchronous instantly, impact and slippage can be formed between a transmission belt and the belt pulley, noise is generated, the service life of the belt is shortened, the service life of a front end wheel train of the whole engine is shortened, and the comfort of the whole vehicle is greatly reduced due to vibration, noise and harshness (NVH); at the moment before the engine stops working, the crankshaft of the engine swings forwards and backwards for a short time, and the magnet exciting coil in the rotor is influenced by centrifugal force to cause damage, so that the service life of the generator is shortened.
In order to prolong the service life of an engine wheel train and a generator, the prior art slightly relates to improvement on the structure of a belt pulley. As disclosed in CN100335808, the solution comprises a hub, which is fixedly mounted on a transmission shaft. The hub has opposed first and second ends and a generally cylindrical body extending axially therebetween, with an annular first flange extending radially outwardly from the body adjacent the second end. The first flange includes an outer flange surface having an outer diameter greater than the body portion, and an annular surface extending generally radially between the body portion and the outer flange surface opposite the second end. A first substantially helical groove is formed in the annular surface. A holder is rotatably mounted on the hub. The cage includes a helical second slot formed therein. A torsion spring extends between a hub end and a cage end for transmitting torque between the hub and the cage, wherein the hub end is retained in the helical first slot for preventing relative movement between the hub end of the torsion spring and the hub, and the cage end is retained in the helical second slot for preventing relative movement between the cage end of the torsion spring and the cage. A pulley is rotatably connected to the hub. The pulley includes an outer surface configured to frictionally engage the drive belt. The pulley has an inner surface formed therein. A clutch spring is secured to the cage and has a plurality of helical coils frictionally engaged with the inner surface of the pulley to selectively connect the hub to the pulley. The torsion spring and the clutch spring are coiled in opposite directions such that during acceleration of the pulley relative to the hub, the clutch spring expands into clamping engagement with the inner surface and during deceleration of the pulley relative to the hub, the clutch spring contracts out of clamping engagement with the inner surface. According to the technical scheme, the retainer can be stressed by the force of the torsion spring, and the aging of the retainer can be accelerated after long-term use.
Another prior art cage is shown in fig. 1, in which two recesses are provided in the cage 5 for receiving the friction spring 2 and the torsion spring 3, respectively. Since the holder in the related art is made of a plastic material, it is necessary to contact one ends of the friction spring 2 and the torque spring 3 to transmit the driving force of the engine. The technical scheme has the advantages that the forces generated by the friction spring 2 and the torque spring 3 in the braking process are respectively borne by the torque spring 3 and the friction spring 2, and the retainer 5 cannot be subjected to the extrusion force from the friction spring 2 and the torque spring 3. The technical scheme has the defect that the contact end faces of the friction spring 2 and the torque spring 3 are required to be smooth and have no burrs or gaps, otherwise, when a vehicle runs at a high speed, the contact end faces of the friction spring 2 and the torque spring 3 are easy to slip, and the decoupler fails. In addition, when the pulley tensioning wheel is insufficient and/or the belt and the pulley enter liquid due to various reasons, the friction force between the belt and the pulley is reduced, the belt and the pulley slip, the temperature of the pulley is sharply increased, a plastic retainer is melted, and the pulley slips bidirectionally and fails.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provide a safe and reliable one-way damping decoupler capable of realizing one-way overrunning.
The invention further aims to further reduce the processing difficulty and the processing cost of the unidirectional vibration damping decoupler by improving the structure of the unidirectional vibration damping decoupler.
In order to solve the above-mentioned problems of the prior art, the present invention provides a unidirectional vibration damping decoupler, comprising: the inner surface of the belt hub forms an accommodating space; the transmission shaft is fixed in the mandrel, and the outer surface of the mandrel protrudes outwards to form a baffle; the partition plate is arranged on the outer surface of the mandrel, one side of the partition plate is contacted with the baffle plate protruding out of the mandrel, and the other side of the partition plate is contacted with the first end of the torque spring; a torque spring, a clamping groove is arranged in the first end of the torque spring and is used for mounting a hitching leg at the first end of the friction spring and contacting with the partition plate, an inner boss is arranged at the second end in the inner diameter direction and is fixed on the outer surface of the mandrel, and arc gaps which are staggered with each other in the circumferential direction are arranged on the tube wall of the torque spring; the first end of the friction spring is provided with a hanging pin which is positioned in the clamping groove at the first end of the torque spring; one or more arcuate spacers are positioned between the arcuate slits of the torsion spring.
Further, the outer surface of the mandrel is outwardly convex to form a baffle.
Furthermore, one side of the baffle is close to the retainer, and the other side is close to a rolling bearing.
Further, the core shaft and the baffle are integrally formed.
Further, the spacer is made of plastic or a metal material having a coating with a low coefficient of friction.
Furthermore, a clamping groove is formed in the first end of the torque spring and used for mounting a hanging pin at the first end of the friction spring and contacting with the partition plate, and an inner boss is arranged at the second end in the inner diameter direction and fixed on the outer surface of the core shaft.
Furthermore, the torque spring is formed by processing a pipe, and arc-shaped gaps which are staggered with each other in the circumferential direction are formed in the pipe wall.
Further, the spacer is located between the arcuate slits of the torsion spring.
Further, the inner boss of the torque spring is in interference fit with the spindle.
Furthermore, the first end of the friction spring is provided with a hanging pin which is positioned in the clamping groove at the first end of the torque spring.
Furthermore, the one-way vibration damping decoupler is characterized in that the ball bearing at the right end can also be an annular end frame in interference fit with the mandrel, a groove is formed in the outer wall of the end frame, the groove further comprises a supporting ring, and the supporting ring is located on the outer surface of the end frame and the inner surface of the belt hub.
Compared with the prior art, the technical scheme provided by the invention has the following advantages:
the technical scheme adopted by the invention is that the friction spring and the torque spring are not connected through the retainer, and the hitching leg of the friction spring is directly placed in the groove of the torque spring, so that the problem that the unidirectional vibration damping decoupler fails due to the aging of the retainer in the prior art is solved; the two springs are made of metal materials and can resist high temperature, and the problem that the belt pulley is failed due to bidirectional slipping caused by high-temperature melting of the plastic retainer in the prior art is solved.
Secondly, the baffle and the mandrel are integrally formed, and the design of the baffle is thicker than that of the prior art, so that the strength of the baffle is greatly improved, and the technical problem that the unidirectional vibration damping decoupler fails due to deformation of the baffle is solved.
Thirdly, the partition board used in the technical scheme of the invention is made of plastic or metal material with a coating with a small friction coefficient, thereby playing a role of lubrication and reducing the abrasion to the minimum. Meanwhile, the baffle plate plays a role in thrust, and prevents the friction spring hanger from axially falling out of the torque spring groove 2.
Fourthly, the inner boss of the second end of the torque spring used in the technical scheme of the invention is assembled with the mandrel in an interference fit manner, and compared with the integral mandrel in the prior art, the production cost is reduced.
Description of the drawings:
FIG. 1 is a schematic view of a cage used in the prior art;
FIG. 2 is a front view of a one-way vibration-damping decoupler according to the present invention;
FIG. 3 is a cross-sectional view A-A of the one-way vibration-damping decoupler of the present invention;
FIG. 4 is an exploded view of a one-way vibration-damping decoupler in accordance with the present invention;
FIGS. 5 and 6 are views of a torsion spring according to the present invention;
FIG. 7 is a side view of a mandrel to which the present invention relates;
FIG. 8 is a front view of a baffle according to the present invention;
FIG. 9 is a front view of a spacer according to the present invention;
fig. 10 is a cross-sectional view of a one-way decoupler with an annular end frame and a carrier ring support in accordance with the present invention.
The main illustration is:
1-transmission shaft 10-belt hub 20-friction spring 30-torque spring
40-mandrel 41-baffle 50-clapboard 60-left rolling bearing
70-right rolling bearing 71-annular end frame 72-supporting ring 80-spacer 90-sealing cover.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In order to solve the above-mentioned prior art problems, the present invention discloses a unidirectional vibration damping decoupler, comprising: the inner surface of the belt hub forms an accommodating space; the transmission shaft is fixed in the mandrel, and the outer surface of the mandrel protrudes outwards to form a baffle; the partition plate is arranged on the outer surface of the mandrel, one side of the partition plate is contacted with the baffle plate protruding out of the mandrel, and the other side of the partition plate is contacted with the first end of the torque spring; a torque spring, a clamping groove is arranged in the first end of the torque spring and is used for mounting a hitching leg at the first end of the friction spring and contacting with the partition plate, an inner boss is arranged at the second end in the inner diameter direction and is fixed on the outer surface of the mandrel, and arc-shaped gaps 3 and 4 which are staggered with each other in the circumferential direction are arranged on the tube wall of the torque spring; the first end of the friction spring is provided with a hanging pin which is positioned in the clamping groove at the first end of the torque spring; one or more arcuate spacers are positioned between the arcuate slits of the torsion spring.
In the following description, for the purposes of clearly illustrating the structure and operation of the present invention, directional terms will be used, but terms such as "front", "rear", "left", "right", "outer", "inner", "outer", "inward", "upper", "lower", etc. should be construed as words of convenience and should not be construed as limiting terms. Further, the term "inner" used in the following description mainly refers to a direction close to the drive shaft; the term "outer" mainly refers to a direction away from the drive shaft; the term "axial" refers primarily to a direction parallel to the drive shaft, and the term "radial" refers primarily to a direction perpendicular to the drive shaft.
The structure of the one-way damping pulley provided by the invention is shown in fig. 3, and fig. 3 is a sectional view of the one-way damping pulley provided by the invention. The one-way damping belt pulley comprises a transmission shaft 1 positioned at the axis and a mandrel 40 positioned at the outer side of the rotating shaft and connected with the rotating shaft. The outside of the spindle 40 includes a friction spring 20 and a torque spring 30 located in the inner space of the friction spring 20.
One end of the friction spring 20 is clamped in the groove 2 at one end of the torque spring and extends along the axial direction to form the other free end, and the outer ring of the friction spring 20 is in contact with the inner wall of the shaft hole of the belt hub 10, namely, is in friction combination. Thus, the belt hub 10 can be locked and unlocked by expanding and contracting the outer ring of the friction spring 20, thereby achieving a preferable one-way clutch effect. Specifically, when the rotation speed of the belt hub 10 is higher than that of the rotating shaft, the outer ring of the friction spring 20 expands to clamp the belt hub 10, and the rotating shaft 1 and the belt hub 10 are integrated into a whole, so that the rotating shaft and the belt hub 10 rotate synchronously to transmit the driving power. When the rotating speed of the belt hub 10 is lower than that of the rotating shaft, the outer ring of the friction spring 20 is reduced, the belt hub 10 starts to slip in the shaft hole, the rotating shaft 1 and the belt hub 10 are separated, the rotating shaft 1 and the belt hub 10 rotate respectively, and the function of one-way overrunning is achieved. The groove 2 at one end of the torque spring 30 is connected with the hitching leg of the friction spring, the inner boss at the other end is in interference fit with the mandrel to transmit torque, and the torque fluctuation energy is elastically absorbed and released by the inner boss to play a role in vibration reduction.
In contrast to the prior art, the friction spring and the torsion spring of the present invention are directly connected. As shown in fig. 3, the torque transmission process of the engine is transmitted to the pulley through the belt, and then the torque is transmitted to the friction spring 20 through the friction force, and then is directly transmitted to the torque spring 30 through the friction spring 20. The connection is not realized through a retainer in the prior art, so that the safety of the unidirectional vibration damping decoupler can be greatly improved. Meanwhile, the end faces of the friction spring 20 and the torque spring 30 are not required to be opposite to each other, so that the requirements on the machining precision of the end faces of the friction spring 20 and the end faces of the torque spring 30 are greatly reduced, and the machining difficulty and the production cost of the one-way damping decoupler are reduced. On the other hand, the friction spring 20 and the torque spring 30 are made of metal materials, are resistant to high temperature, and cannot melt a plastic retainer in the prior art, so that the reliability of the one-way vibration damping coupler is improved.
Fig. 4 is an exploded view of the decoupler of the present invention.
Fig. 5 and 6 are views of two torsion springs of the present invention, respectively.
Figure 7 is a side view of a mandrel of the present invention. As shown in fig. 7, the middle of the mandrel 40 is internally threaded for fastening to a drive shaft, and the outside of the mandrel 40 includes an outwardly protruding stop 41. The baffle 41 is integrally formed with the mandrel 40 and may be machined by a lathe. In the prior art, the baffle is in interference fit with the mandrel, but the one-way damping decoupler usually generates large pressure in the moving process, so that the baffle deforms and then falls off, and the one-way damping decoupler fails. The mandrel and the baffle are integrally formed, so that the strength of the baffle can be increased, and the baffle is not easy to deform. The thickness of the baffle plate can be increased compared with the existing baffle plate, so that the strength of the baffle plate is further increased, and the service life of the unidirectional vibration damping decoupler is still reliable even if the vehicle runs at high speed for a long time.
One face of the back plate 41 is adjacent to the spacer 50 and acts as a thrust against the friction spring 20 and the torsion spring 30 via the spacer 50. The spacer 50 is made of plastic or a metal material having a coating with a low coefficient of friction, the purpose of which is to minimize wear on the contact surfaces with the baffle 41 and the torque spring 30. The other face of the flapper 41 is adjacent to the rolling bearing 60.
In another implementation of the present invention, as shown in fig. 10, a slot is formed on the annular end frame 71 for limiting the axial displacement of the ring 72 and ensuring the free circumferential rotation, which acts like a ball bearing. The annular end frame 71 is a separate component that is an interference fit with the mandrel 40 during assembly. The advantage of this design is that the machining difficulty on the annular end frame 71 is reduced, resulting in a cost reduction of the one-way vibration-damping decoupler.
The annular ring 72 and the rolling bearing 60 connect the mandrel 40 to the pulley hub 10 to form a radial support, and ensure that the mandrel 40 and the pulley hub 10 have circumferential relative movement, and play a role in unidirectional vibration damping through the torque spring 30.
After the unidirectional vibration-damping decoupler is assembled, the path of torque transmission is fundamentally different from the prior art, in the prior art, the generator drives the belt pulley to rotate, the outer surface of the friction spring is meshed with the inner surface of the belt pulley, and the belt pulley drives the friction spring to rotate. One end of the friction spring and the torque spring are connected on the retainer in a clamping mode to drive the retainer and the torque spring, and the torque spring drives the mandrel to rotate. According to the one-way vibration damping decoupler, torque is transmitted to the friction spring 20 from the inner wall of the belt hub 10, the friction spring 20 directly transmits the torque to the torsion spring 30, and then the torque is transmitted to the mandrel 40 through the inner boss 5 at the other end of the torsion spring 30. Thus, not only is the reliability increased, but also the production cost is reduced.
In summary, compared with the prior art, the technical scheme disclosed by the invention has the following advantages:
the technical scheme adopted in the first technical scheme of the invention is that the friction spring and the torque spring are not connected through the retainer, and the hitching leg of the friction spring is directly placed in the groove 2 of the torque spring, so that the problem that the unidirectional vibration damping decoupler fails due to the aging of the retainer in the prior art is solved; the two springs are made of metal materials and can resist high temperature, and the problem that the belt pulley is failed due to bidirectional slipping caused by high-temperature melting of the plastic retainer in the prior art is solved.
Secondly, the baffle and the mandrel are integrally formed, and the design of the baffle is thicker than that of the prior art, so that the strength of the baffle is greatly improved, and the technical problem that the unidirectional vibration damping decoupler fails due to deformation of the baffle is solved.
Thirdly, the partition board used in the technical scheme of the invention is made of plastic or metal material with a coating with a small friction coefficient, thereby playing a role of lubrication and reducing the abrasion to the minimum. Meanwhile, the baffle plate plays a role in thrust, and prevents the friction spring hanger from axially falling out of the torque spring groove 2.
Fourthly, the inner boss of the second end of the torque spring used in the technical scheme of the invention is assembled with the mandrel in an interference fit manner, and compared with the integral mandrel in the prior art, the production cost is reduced.

Claims (10)

1. A one-way vibration-damping decoupler, comprising: the inner surface of the belt hub forms an accommodating space; the transmission shaft is fixed in the mandrel, and the outer surface of the mandrel protrudes outwards to form a baffle; the partition plate is arranged on the outer surface of the mandrel, one side of the partition plate is contacted with the baffle plate protruding out of the mandrel, and the other side of the partition plate is contacted with the first end of the torque spring; a torque spring, a clamping groove is arranged in the first end of the torque spring and is used for mounting a hitching leg at the first end of the friction spring and contacting with the clapboard, an inner boss is arranged at the second end in the inner diameter direction and is fixed on the outer surface of the mandrel, and arc gaps or spiral gaps which are staggered with each other in the circumferential direction are arranged on the tube wall of the torque spring; the first end of the friction spring is provided with a hanging pin which is positioned in the clamping groove at the first end of the torque spring; one or more arcuate spacers are positioned between the arcuate slits of the torsion spring.
2. A one-way vibration damping decoupler as claimed in claim 1 wherein said spacer is made of plastic or a metal material having a coating with a low coefficient of friction.
3. A one-way vibration damping decoupler as claimed in claim 1 wherein said outer surface of said core projects outwardly to form a barrier which is adjacent to said spacer on one side and to a rolling bearing on the other side.
4. A one-way vibration damping decoupler as claimed in claim 1 wherein said core shaft is formed integrally with said baffle.
5. A one-way vibration decoupling as in claim 1 wherein said torsion spring has a detent in a first end thereof for receiving a tang on the first end of the friction spring and contacting the spacer, and an inner radial projection on a second end thereof secured to the outer surface of the spindle.
6. A one-way vibration damping decoupler as claimed in claim 1 wherein the torsion spring is formed from a tube having circumferentially spaced arcuate or helical slits.
7. A one-way vibration damping decoupler as set forth in claim 1 wherein said spacer is located between said arcuate slits of said torque spring.
8. A one-way vibration damping decoupler as claimed in claim 1 wherein said inner boss of said torque spring is an interference fit with said spindle.
9. A one-way vibration damping decoupler as claimed in claim 1 wherein said friction spring has a tang at a first end of said friction spring that is positioned in a slot in a first end of said torsion spring.
10. A one-way vibration damping decoupler as claimed in claim 1 wherein the ball bearing at the right end is also an annular end bracket in interference fit with said spindle, the end bracket having a groove in the outer wall thereof, the groove further comprising a retaining ring, said retaining ring being located between the outer surface of said end bracket and the inner surface of said belt hub.
CN202110266781.9A 2021-03-11 2021-03-11 One-way damping decoupler with tubular torque spring Pending CN112855850A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110266781.9A CN112855850A (en) 2021-03-11 2021-03-11 One-way damping decoupler with tubular torque spring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110266781.9A CN112855850A (en) 2021-03-11 2021-03-11 One-way damping decoupler with tubular torque spring

Publications (1)

Publication Number Publication Date
CN112855850A true CN112855850A (en) 2021-05-28

Family

ID=75994150

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110266781.9A Pending CN112855850A (en) 2021-03-11 2021-03-11 One-way damping decoupler with tubular torque spring

Country Status (1)

Country Link
CN (1) CN112855850A (en)

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