CN218000276U - Dual-mass flywheel and vehicle with same - Google Patents
Dual-mass flywheel and vehicle with same Download PDFInfo
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- CN218000276U CN218000276U CN202222300577.7U CN202222300577U CN218000276U CN 218000276 U CN218000276 U CN 218000276U CN 202222300577 U CN202222300577 U CN 202222300577U CN 218000276 U CN218000276 U CN 218000276U
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- mass flywheel
- centrifugal pendulum
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Abstract
The utility model discloses a dual mass flywheel and a vehicle with the same, wherein the dual mass flywheel comprises a primary mass flywheel, a secondary mass flywheel, a vibration damper, a torque limiting device and a centrifugal pendulum device, and the primary mass flywheel is provided with an input end; the secondary mass flywheel has an output; the damping device is arranged between the primary mass flywheel and the secondary mass flywheel and is in transmission fit with the primary mass flywheel; the torque limiting device is arranged on one side of the vibration damper and tightly presses the secondary mass flywheel on the vibration damper to output power; and the centrifugal pendulum device is arranged on the vibration damper. Like this, through be equipped with centrifugal pendulum device on dual mass flywheel, centrifugal pendulum device can carry out circumferential direction and absorb with the fluctuation of the moment of torsion transmission in-process in the power transmission process to let the transmission of moment of torsion more reliable, thereby promote dual mass flywheel's power transmission effect, let dual mass flywheel have higher performance.
Description
Technical Field
The utility model belongs to the technical field of the vehicle technique and specifically relates to a dual mass flywheel and have its vehicle is related to.
Background
In the related art, a dual mass flywheel is generally provided on a crankshaft of an engine in a vehicle to achieve torque transmission. In the prior art, although a dual mass flywheel can transmit torque and has high safety performance, in the torque transmission process, fluctuation in the torque can be transmitted together to reduce the power transmission effect.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. For this reason, an object of the present invention is to provide a dual mass flywheel, which can absorb the fluctuation in torque, so that the dual mass flywheel has higher usability.
Another object of the present invention is to provide a vehicle, wherein a dual mass flywheel as shown above is provided in the vehicle.
According to the utility model discloses dual mass flywheel, include: the device comprises a primary mass flywheel, a secondary mass flywheel, a vibration damping device, a torsion limiting device and a centrifugal pendulum device, wherein the primary mass flywheel is provided with an input end; the secondary mass flywheel has an output; the damping device is arranged between the primary mass flywheel and the secondary mass flywheel and is in transmission fit with the primary mass flywheel; the torque limiting device is arranged on one side of the vibration damper and tightly presses the secondary mass flywheel on the vibration damper so as to output power; and the centrifugal pendulum device is arranged on the vibration damping device.
According to the utility model discloses dual mass flywheel, through be equipped with centrifugal pendulum device on dual mass flywheel, centrifugal pendulum device can carry out circumferential direction and absorb with the fluctuation to the moment of torsion transmission in-process among the power transmission process to let the transmission of moment of torsion more reliable, thereby promote dual mass flywheel's power transmission effect, let dual mass flywheel have higher performance.
In some embodiments, the centrifugal pendulum device comprises: the flange ring is fixedly connected to the vibration damper, and the centrifugal swing assembly is arranged on the periphery of the flange ring and is opposite to the flange ring in a swinging mode.
In some embodiments, the centrifugal pendulum assembly comprises: the flange ring comprises a swinging block and a rolling piece, wherein a sliding groove is formed in the swinging block, the rolling piece is fixed on the periphery of the flange ring, and the rolling piece is slidably matched in the sliding groove.
In some embodiments, the number of the swing blocks is two, the two swing blocks are distributed on two sides of the periphery of the flange ring, the two swing blocks are fixedly connected, and the sliding grooves of the two swing blocks are matched with the rolling piece.
In some embodiments, the centrifugal pendulum assembly further comprises: and the spacing element is arranged between the two swing blocks and is selectively in limit fit with the flange ring.
In some embodiments, the centrifugal pendulum assembly is a plurality of centrifugal pendulum assemblies, and the plurality of centrifugal pendulum assemblies are arranged at intervals in the circumferential direction of the flange ring.
In some embodiments, the vibration damping device comprises: the primary mass flywheel is provided with an arc spring and a flange plate, the arc spring is arranged on the primary mass flywheel, two ends of the arc spring are abutted against the primary mass flywheel, the flange plate is abutted against and matched with two ends of the arc spring, and the flange ring is arranged on the flange plate.
In some embodiments, a receiving cavity is formed between the flange plate and the primary mass flywheel, and the centrifugal pendulum device is received in the receiving cavity.
In some embodiments, further comprising: the first friction ring is fixed on the primary mass flywheel, and the second friction ring abuts against the first friction ring and the flange ring.
In some embodiments, the secondary mass flywheel comprises: the friction plate comprises a first friction plate, a second friction plate, a spline hub and a plurality of corrugated plates, wherein the corrugated plates are axially fixed between the first friction plate and the second friction plate at intervals, and the periphery of the spline hub is fixed on the corrugated plates.
In some embodiments, the wave shaped sheet comprises: the outer plate portion is located on the outer side of the inner plate portion, the outer plate portion is fixed between the first friction plate and the second friction plate, and the inner plate portion is fixed to the outer periphery of the spline hub.
According to the utility model discloses vehicle, include: a dual mass flywheel as claimed in any one of the preceding claims.
According to the utility model discloses vehicle through be equipped with as above shown dual mass flywheel in the vehicle, because dual mass flywheel can absorb the buffering to the fluctuation in the moment of torsion transmission process, can promote the transmission effect of moment of torsion to let dual mass flywheel have higher performance, in order to let the drivability of vehicle promote.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is an exploded schematic view of a dual mass flywheel according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a dual mass flywheel according to an embodiment of the present invention;
fig. 3 is a partial schematic structural view of a dual mass flywheel according to an embodiment of the present invention;
fig. 4 is an exploded schematic view of a first friction plate or a second friction plate according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a splined hub according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a primary mass flywheel according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a flange according to an embodiment of the present invention;
fig. 8 is an exploded schematic view of a centrifugal pendulum assembly according to an embodiment of the present invention;
fig. 9 is an exploded schematic view of a corrugated sheet according to an embodiment of the present invention.
Reference numerals:
a dual-mass flywheel 10 is provided which,
the primary mass flywheel 100, input 101,
a secondary mass flywheel 200, an output end 201, a first friction plate 210, a second friction plate 220, a splined hub 230, a corrugated plate 240, an outer plate portion 241, an inner plate portion 242,
a torque limiting device 400, a belleville spring 410, a torque limiting friction plate 420,
centrifugal force pendulum device 500, flange ring 510, centrifugal force pendulum assembly 520, pendulum mass 521, rolling elements 522, runner 523, spacing element 524,
the first friction ring 600, the second friction ring 700,
Detailed Description
Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.
A dual mass flywheel 10 according to an embodiment of the present invention is described below with reference to fig. 1-9, including: a primary mass flywheel 100, a secondary mass flywheel 200, a damping device 300, a torque limiting device 400 and a centrifugal pendulum device 500.
In particular, the primary mass flywheel 100 has an input 101; the secondary mass flywheel 200 has an output 201; the damping device 300 is disposed between the primary mass flywheel 100 and the secondary mass flywheel 200 and is in transmission fit with the primary mass flywheel 100; the torque limiter device 400 is disposed at one side of the damper device 300 and presses the secondary mass flywheel 200 against the damper device 300 to perform power output; and, the centrifugal pendulum device 500 is provided on the vibration damping device 300.
It should be noted that, during the use of the dual mass flywheel 10, the power is suitable to be transmitted to the dual mass flywheel 10 through the input end 101, and is transmitted through the damping device 300 and the torque limiting device 400 to be output through the output end 201 of the secondary mass flywheel 200.
It is understood that the vibration damping device 300 is adapted to damp or filter vibration during power transmission so that power can be smoothly transmitted, and the torque limiting device 400 has a limit value during use of the torque limiting device 400, and when the torque is less than the limit value of the torque limiting device 400, the power transmission of the torque limiting device 400 is broken, thereby protecting other structures of the dual mass flywheel 10, while the torque is greater than the limit value of the torque limiting device 400. Specifically, the torque limiting device 400 includes a belleville spring 410 and a torque limiting friction plate 420, the belleville spring 410 and the torque limiting friction plate 420 are abutted, and when the torque is greater than a limit value limited by the abutment between the belleville spring 410 and the torque limiting friction plate 420, the torque transmission between the belleville spring 410 and the torque limiting friction plate 420 is eliminated, so as to avoid the structural influence of an excessive torque on the dual mass flywheel 10, and to make the use of the dual mass flywheel 10 safer and more reliable.
Meanwhile, a pressure plate 820 is further provided on the torque limiter apparatus 400, and a cover plate 810 is further provided on the dual mass flywheel 10, the pressure plate 820 being adapted to restrict the disc springs 410 and the torque limiter friction plates 420 to the secondary mass flywheel 200, and the cover plate 810 being adapted to restrict the damper apparatus 300 and the torque limiter apparatus 400 between the primary mass flywheel 100 and the secondary mass flywheel 200. Therefore, the structure of the dual mass flywheel 10 is more stable and reliable, so as to improve the usability of the dual mass flywheel 10.
Furthermore, the centrifugal pendulum device 500 is further disposed on the dual-mass flywheel 10, and when the transmitted torque fluctuates, the centrifugal pendulum device 500 is suitable for circumferential rotation to absorb and buffer the fluctuation of the torque, so that the torque transmission effect of the dual-mass flywheel 10 is improved.
According to the utility model discloses dual mass flywheel 10, through be equipped with centrifugal pendulum device 500 on dual mass flywheel 10, centrifugal pendulum device 500 can carry out circumferential direction and absorb with the fluctuation to the moment of torsion transmission in-process among the power transmission process to let the transmission of moment of torsion more reliable, thereby promote dual mass flywheel 10's power transmission effect, let dual mass flywheel 10 have higher performance.
In some embodiments, as shown in fig. 2, centrifugal pendulum device 500 comprises: the vibration damping device comprises a flange ring 510 and a centrifugal pendulum assembly 520, wherein the flange ring 510 is fixedly connected to the vibration damping device 300, and the centrifugal pendulum assembly 520 is arranged on the periphery of the flange ring 510 and can swing relative to the flange ring 510. It can be understood that the flange ring 510 is adapted to provide a position for disposing the centrifugal pendulum assembly 520, so that the centrifugal pendulum assembly 520 can be mounted on the flange ring 510, so that the centrifugal pendulum assembly 520 can swing to absorb and buffer the vibration in the torque, thereby improving the vibration buffering effect of the dual mass flywheel 10.
In some embodiments, as shown in fig. 2 and 8, centrifugal pendulum assembly 520 includes: the swing block 521 is provided with a sliding groove 523, the rolling member 522 is fixed on the outer periphery of the flange ring 510, and the rolling member 522 is slidably matched in the sliding groove 523. Thus, the sliding groove 523 is suitable for providing a position for the sliding of the rolling member 522, so that the rolling member 522 can rotate in the sliding groove 523 to realize the circumferential rotation of the swing block 521, and the rolling member 522 is suitable for being installed in the sliding groove 523 to rotate, so that the rotation process of the centrifugal swing assembly 520 is more reliable, the centrifugal swing assembly 520 can more reliably absorb the fluctuation influence in the torque transmission process, and the use performance of the dual-mass flywheel 10 is improved.
In some embodiments, as shown in fig. 8, there are two swing blocks 521, two swing blocks 521 are distributed on two sides of the outer periphery of the flange ring 510, the two swing blocks 521 are fixedly connected, and the sliding grooves 523 of the two swing blocks 521 are both matched with the rolling members 522. It can be understood that the sliding slots 523 of the two swing blocks 521 are engaged with the rolling members 522, and the rotation of the centrifugal swing assembly 520 is realized by the rotation of the rolling members 522 in the corresponding sliding slots 523. Meanwhile, the pendulum blocks 521 are arranged oppositely, so that the two pendulum blocks 521 can swing to absorb the fluctuation of the torque, and the use performance of the centrifugal pendulum assembly 520 is improved.
In some embodiments, as shown in fig. 8, centrifugal pendulum assembly 520 further comprises: a spacing element 524, the spacing element 524 being disposed between the two swing blocks 521 and being in selective limit fit with the flange ring 510. It can be understood that, by providing the spacing element 524 between the two swing blocks 521, since the spacing element 524 is suitable for being in limit fit with the flange ring 510, the swing blocks 521 can rotate along the flange ring 510 to achieve circumferential rotation of the swing blocks 521, so that the centrifugal swing assembly 520 has higher fluctuation absorption performance, and thus the use performance of the dual mass flywheel 10 is improved.
In some embodiments, as shown in FIG. 8, the centrifugal pendulum assemblies 520 are multiple, and the multiple centrifugal pendulum assemblies 520 are spaced apart in the circumferential direction of the flange ring 510. Thus, by providing a plurality of centrifugal pendulum assemblies 520 on the centrifugal pendulum device 500, the plurality of centrifugal pendulum assemblies 520 not only enable the circumferential rotation process of the centrifugal pendulum device 500 to be more reliable, but also enable the centrifugal pendulum device 500 to absorb fluctuations in torque, so as to enable the transmission process of torque to be more reliable.
In some embodiments, as shown in fig. 1, 2 and 3, the vibration damping device 300 includes: the primary mass flywheel 100 comprises an arc-shaped spring 310 and a flange plate 320, wherein the arc-shaped spring 310 is arranged on the primary mass flywheel 100, two ends of the arc-shaped spring 310 are abutted to the primary mass flywheel 100, the flange plate 320 is abutted to and matched with two ends of the arc-shaped spring 310, and a flange ring 510 is arranged on the flange plate 320. It should be noted that, an abutting end is provided on the primary mass flywheel 100, the arc spring 310 is suitable for abutting against the abutting end, meanwhile, a corresponding abutting portion is provided on the flange plate 320, the abutting portion is provided corresponding to the abutting end, in the process of torque transmission, the flange plate 320 is suitable for rotating so as to absorb the circumferential acting force in the process of torque transmission, and acts on the arc spring 310 so as to drive the arc spring 310 to compress, thereby achieving the absorption effect on the circumferential acting force, after absorbing the circumferential acting force, the arc spring 310 in the compressed state can drive the flange plate 320 to reset, so that the damping device 300 can achieve repeated absorption on the circumferential acting force.
In some embodiments, as shown in fig. 2, a receiving cavity 321 is formed between the flange 320 and the primary mass flywheel 100, and the centrifugal pendulum device 500 is received in the receiving cavity 321. It is understood that the receiving cavity 321 is adapted to provide space for assembly and construction of the centrifugal pendulum device 500, so as to facilitate assembly and construction of the centrifugal pendulum device 500 on the dual mass flywheel 10. Meanwhile, the accommodating cavity 321 is also suitable for providing a space for the swinging of the swinging block 521, so that the swinging block 521 can absorb the fluctuation more reliably, and the improvement of the service performance of the dual-mass flywheel 10 is realized.
In some embodiments, as shown in fig. 1 and 2, the dual mass flywheel 10 further includes: a first friction ring 600 and a second friction ring 700, the first friction ring 600 being fixed to the primary mass flywheel 100, the second friction ring 700 abutting on the first friction ring 600 and the flange ring 510. As described above, by providing the first friction ring 600 and the second friction ring 700 between the flange ring 510 and the primary mass flywheel 100, the torque acting on the primary mass flywheel 100 can be transmitted to the flange ring 510 by providing the first friction ring 600 and the second friction ring 700 therebetween, and the power transmission function of the dual mass flywheel 10 can be configured.
In some embodiments, as shown in fig. 1, the secondary mass flywheel 200 includes: the friction plate comprises a first friction plate 210, a second friction plate 220, a spline hub 230 and a plurality of corrugated plates 240, wherein the plurality of corrugated plates 240 are fixed between the first friction plate 210 and the second friction plate 220 at intervals in the axial direction, and the outer periphery of the spline hub 230 is fixed on the plurality of corrugated plates 240. It will be appreciated that the first friction plate 210 and the second friction plate 220 enable the transfer of torque such that torque can be applied to the secondary mass flywheel 200 to enable torque output. The corrugated plate 240 is further disposed between the first friction plate 210 and the second friction plate 220, and the corrugated plate 240 not only can realize power transmission between the first friction plate 210 and the second friction plate 220 and the spline hub 230, but also can make the assembly between the first friction plate 210 and the spline hub 230 and the second friction plate 220 and the spline hub 230 more reliable, so as to improve the power output effect of the dual mass flywheel 10.
In some embodiments, as shown in fig. 9, the wave plate 240 includes: the outer piece 241 is located outside the inner piece 242, the outer piece 241 is fixed between the first friction plate 210 and the second friction plate 220, and the inner piece 242 is fixed to the outer periphery of the spline hub 230. Thus, the outer plate portion 241 is adapted to be connected with the first friction plate 210 and the second friction plate 220, and the inner plate portion 242 is adapted to be connected with the splined hub 230, so that the arrangement of the corrugated plate 240 between the first friction plate 210 and the second friction plate 220 and the splined hub 230 is more reliable, and the power output capability of the secondary mass flywheel 200 is improved.
According to the utility model discloses vehicle, include: a dual mass flywheel 10 as claimed in any one of the preceding claims. Thus, the dual-mass flywheel 10 is arranged in the vehicle, and the dual-mass flywheel 10 can absorb and buffer fluctuation in the torque transmission process, so that the torque transmission effect can be improved, the dual-mass flywheel 10 has higher use performance, and the driving performance of the vehicle can be improved.
Other configurations and operations of vehicles according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (12)
1. A dual mass flywheel (10), comprising:
a primary mass flywheel (100), the primary mass flywheel (100) having an input (101);
a secondary mass flywheel (200), the secondary mass flywheel (200) having an output (201);
a damping device (300), the damping device (300) being arranged between the primary mass flywheel (100) and the secondary mass flywheel (200) and being in driving engagement with the primary mass flywheel (100);
the torque limiting device (400) is arranged on one side of the vibration damper (300), and the torque limiting device (400) is used for pressing the secondary mass flywheel (200) on the vibration damper (300) so as to output power; and
a centrifugal pendulum device (500), the centrifugal pendulum device (500) being arranged on the vibration damping device (300).
2. The dual mass flywheel (10) of claim 1, wherein the centrifugal pendulum device (500) comprises: the vibration damper comprises a flange ring (510) and a centrifugal pendulum assembly (520), wherein the flange ring (510) is fixedly connected to the vibration damper (300), and the centrifugal pendulum assembly (520) is arranged on the periphery of the flange ring (510) and can swing relative to the flange ring (510).
3. The dual mass flywheel (10) of claim 2, wherein the centrifugal pendulum assembly (520) comprises: the swing block (521) is provided with a sliding groove (523), the rolling piece (522) is fixed on the periphery of the flange ring (510), and the rolling piece (522) is matched in the sliding groove (523) in a sliding mode.
4. The dual mass flywheel (10) of claim 3, wherein the number of the pendulum blocks (521) is two, the two pendulum blocks (521) are distributed on two sides of the outer periphery of the flange ring (510), the two pendulum blocks (521) are fixedly connected, and the sliding grooves (523) of the two pendulum blocks (521) are matched with the rolling members (522).
5. The dual mass flywheel (10) of claim 4 wherein the centrifugal pendulum assembly (520) further comprises: a spacing element (524), the spacing element (524) being disposed between the two pendulum blocks (521) and being in selective limit-fit with the flange ring (510).
6. The dual mass flywheel (10) of claim 2 wherein the centrifugal pendulum assembly (520) is plural, the plural centrifugal pendulum assemblies (520) being arranged at intervals in a circumferential direction of the flange ring (510).
7. The dual mass flywheel (10) of claim 2, wherein the damping device (300) comprises: arc spring (310) and flange dish (320), arc spring (310) set up in on elementary quality flywheel (100) and both ends butt are in on elementary quality flywheel (100), flange dish (320) with the both ends butt cooperation of arc spring (310), flange ring (510) set up in on flange dish (320).
8. A twin mass flywheel (10) as defined in claim 7 in which a receiving cavity (321) is formed between the flange (320) and the primary mass flywheel (100), the centrifugal pendulum device (500) being received in the receiving cavity (321).
9. A dual mass flywheel (10) as claimed in claim 8 further comprising: a first friction ring (600) and a second friction ring (700), the first friction ring (600) being fixed on the primary mass flywheel (100), the second friction ring (700) abutting on the first friction ring (600) and the flange ring (510).
10. The dual mass flywheel (10) of claim 1, wherein the secondary mass flywheel (200) comprises: the friction plate comprises a first friction plate (210), a second friction plate (220), a spline hub (230) and a plurality of corrugated plates (240), wherein the plurality of corrugated plates (240) are axially fixed between the first friction plate (210) and the second friction plate (220) at intervals, and the outer periphery of the spline hub (230) is fixed on the plurality of corrugated plates (240).
11. The dual mass flywheel (10) of claim 10 wherein the wave shaped sheet (240) comprises: an outer plate portion (241) and an inner plate portion (242), the outer plate portion (241) being located outside the inner plate portion (242), the outer plate portion (241) being fixed between the first friction plate (210) and the second friction plate (220), the inner plate portion (242) being fixed on an outer periphery of the spline hub (230).
12. A vehicle, characterized by comprising: a dual mass flywheel (10) as claimed in any of claims 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222300577.7U CN218000276U (en) | 2022-08-31 | 2022-08-31 | Dual-mass flywheel and vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222300577.7U CN218000276U (en) | 2022-08-31 | 2022-08-31 | Dual-mass flywheel and vehicle with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218000276U true CN218000276U (en) | 2022-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222300577.7U Active CN218000276U (en) | 2022-08-31 | 2022-08-31 | Dual-mass flywheel and vehicle with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218000276U (en) |
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2022
- 2022-08-31 CN CN202222300577.7U patent/CN218000276U/en active Active
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