CN205118119U - New -type structure flywheel of diesel engine - Google Patents
New -type structure flywheel of diesel engine Download PDFInfo
- Publication number
- CN205118119U CN205118119U CN201520879581.0U CN201520879581U CN205118119U CN 205118119 U CN205118119 U CN 205118119U CN 201520879581 U CN201520879581 U CN 201520879581U CN 205118119 U CN205118119 U CN 205118119U
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- flywheel
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- diesel engine
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- 210000002583 cell-derived microparticle Anatomy 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 230000010355 oscillation Effects 0.000 abstract 1
- 238000013016 damping Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model provides a new -type structure flywheel of diesel engine, including elementary quality flywheel and secondary quality flywheel, elementary quality flywheel with be provided with torsional damper and flange between the secondary quality flywheel, elementary quality flywheel passes through the torsional damper drive is fixed arrives flange on the secondary quality flywheel, thereby drive secondary quality flywheel rotates, elementary quality flywheel includes the flywheel ectosome and flies wheel hub portion, it passes through the tie -beam connection to fly wheel hub portion and flywheel ectosome, it is equipped with the dead eye to fly wheel hub portion, the outside edge of flywheel ectosome is equipped with the flywheel tooth. Can rotate certain angle relatively between elementary quality flywheel and the secondary quality flywheel, utilize torsional damper, can effectively reduce the torsional oscillation that the engine passed to transmission system, the reduce the vibration noise, two quality flywheels still are equipped with flange locking structure for when the car ignition process, the elementary quality flywheel of two quality flywheels can keep the locking with the flange.
Description
Technical field
The utility model relates to a kind of flywheel.
Background technique
Crankshaft-flywheel assembly primarily of bent axle, flywheel, crankshaft vibration damping belt pulley, crankshaft rotation speed signal panel and some not same-action part and accessory composition.Its major function connects piston rod part, the to-and-fro motion of piston changed into the rotary motion of bent axle, thus convert chemical energy to kinetic energy, output to the transmission system of automobile.Flywheel has storage and discharges the function of kinetic energy, and improve the uniformity of engine running, transmitting torque is to car transmissions simultaneously, is the actuator of clutch.
The shortcoming of existing diesel crankshaft-flywheel assembly is, the to-and-fro motion of motor and the irregular rotation of the sequentially fired bent axle brought of cylinder, and the natural frequency that power transmission system has can be converted into torsional vibration the irregular rotation that motor produces again.Because freewheel is a rigid disc, the torsional vibration produced power train be can be directly delivered to during engine operation, vibration and the noise of vehicle body caused.Especially for the high torque high speed diesel engine of passenger car, especially obviously.
Model utility content
The shortcoming of prior art in view of the above, the purpose of this utility model is the Novel structure flywheel providing a kind of diesel engine, effectively can reduce the torsional vibration that motor is delivered to transmission system.
For achieving the above object and other relevant objects, the utility model provides a kind of Novel structure flywheel of diesel engine, include preliminary quality flywheel and secondary mass flywheel, torsional vibration damper and flange is provided with between described preliminary quality flywheel and described secondary mass flywheel, described preliminary quality flywheel drives the flange be fixed on described secondary mass flywheel by described torsional vibration damper, thus drive described secondary mass flywheel turns, described preliminary quality flywheel comprises flywheel ectosome and flywheel hub portion, described flywheel hub portion is connected by tie-beam with flywheel ectosome, described flywheel hub portion is provided with bearing hole, the outer ledge of described flywheel ectosome is provided with flywheel teeth.
Preferably, described secondary mass flywheel comprises lib and ring part, correspond to the projection flywheel hub portion out of described preliminary quality flywheel in the centre of described lib.
Preferably, described Novel structure flywheel also comprises flange keying structure, described flange keying structure comprises the rotating shaft of being fixed on described preliminary quality flywheel, and the snap be sleeved in described rotating shaft and latch hook, when the rotating speed of described preliminary quality flywheel is lower than desired speed, described latch hook makes described preliminary quality flywheel and described flange lock together under the active force of described snap, and when the rotating speed of described preliminary quality flywheel is higher than desired speed, the active force that the centrifugal force of described latch hook overcomes described snap is thrown away, and described preliminary quality flywheel and described flange are gone out of lock.
Preferably, described Novel structure flywheel comprises one or circumferentially two or more flange keying structures equally distributed.
Preferably, the thickness of described preliminary quality flywheel is greater than the thickness of described secondary mass flywheel.
Preferably, can relatively rotate set angle between described preliminary quality flywheel and described secondary mass flywheel, described set angle is 0-30 °.
As mentioned above, the Novel structure flywheel of a kind of diesel engine of the present utility model, there is following beneficial effect: use preliminary quality flywheel and secondary mass flywheel two-part, there is torsional vibration damper between the two, can several angle be relatively rotated between preliminary quality flywheel and secondary mass flywheel, utilize torsional vibration damper, the torsional vibration that motor passes to transmission system can be effectively reduced, reduce vibration noise, obviously improve the NVH performance of vehicle; For the high-speed diesel engine of high moment of torsion, during coupling passenger car, double mass flywheel structure is particularly necessary; Double mass flywheel is also provided with flange keying structure, and make when automotive ignition process, the preliminary quality flywheel of double mass flywheel can keep locking with flange.Once motor completes igniting, rotating speed has exceeded point of resonance, and the locking of preliminary quality flywheel and flange is thrown off, double mass flywheel enters normal vibration damping working state, so effectively avoid the point of resonance of transmission system, reduce noise in igniting process, improve the travelling comfort of passenger.
Accompanying drawing explanation
Fig. 1 is the secondary mass flywheel structure schematic diagram of the Novel structure flywheel of diesel engine.
Fig. 2 is the preliminary quality flywheel structure schematic diagram of the Novel structure flywheel of diesel engine.
Element numbers illustrates:
1-preliminary quality flywheel, 2-secondary mass flywheel, 3-flange, 4-rotating shaft, 5-snap, 6-latch hook, 11-flywheel ectosome, 12-flywheel hub portion, 13-flywheel teeth, 14-bearing hole, 15-tie-beam, 21-ring part, 22-lib.
Embodiment
By particular specific embodiment, mode of execution of the present utility model is described below, person skilled in the art scholar the content disclosed by this specification can understand other advantages of the present utility model and effect easily.
Refer to Fig. 1 and Fig. 2.Notice, structure, ratio, size etc. that this specification institute accompanying drawings illustrates, content all only in order to coordinate specification to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the utility model, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the utility model can produce and the object that can reach, still all should drop on technology contents that the utility model discloses and obtain in the scope that can contain.Simultaneously, quote in this specification as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the utility model.
As depicted in figs. 1 and 2, the utility model provides a kind of Novel structure flywheel of diesel engine, include preliminary quality flywheel 1 and secondary mass flywheel 2, torsional vibration damper and flange 3 is provided with between described preliminary quality flywheel 1 and described secondary mass flywheel 2, described preliminary quality flywheel 1 drives the flange 3 being fixed to described secondary mass flywheel 2 by described torsional vibration damper, thus drive described secondary mass flywheel 2 to rotate, described preliminary quality flywheel 1 comprises flywheel ectosome 11 and flywheel hub portion 12, described flywheel hub portion 12 is connected by tie-beam 15 with flywheel ectosome 11, described flywheel hub portion 12 is provided with bearing hole 14, the outer ledge of described flywheel ectosome 11 is provided with flywheel teeth 13.
In the present embodiment, described secondary mass flywheel 2 comprises lib 22 and ring part 21, correspond to the projection flywheel hub portion 12 out of described preliminary quality flywheel 1 in the centre of described lib 22.
In the present embodiment, described Novel structure flywheel also comprises flange keying structure, described flange keying structure comprises the rotating shaft 4 of being fixed on described preliminary quality flywheel 1, and the snap 5 be sleeved in described rotating shaft 4 and latch hook 6, when the rotating speed of described preliminary quality flywheel 1 is lower than desired speed, described latch hook 6 makes described preliminary quality flywheel 1 lock together with described flange 3 under the active force of described snap 5, and when the rotating speed of described preliminary quality flywheel 3 is higher than desired speed, the active force that the centrifugal force of described latch hook 6 overcomes described snap 5 is thrown away, and described preliminary quality flywheel 1 is gone out of lock with described flange 3.
In the present embodiment, described Novel structure flywheel comprises one or circumferentially two or more flange keying structures equally distributed.
In the present embodiment, the thickness of described preliminary quality flywheel 1 is greater than the thickness of described secondary mass flywheel 2.
In the present embodiment, can relatively rotate set angle between described preliminary quality flywheel 1 and described secondary mass flywheel 2, described set angle is 0-30 °.
As mentioned above, the Novel structure flywheel of a kind of diesel engine that the utility model provides, use preliminary quality flywheel and secondary mass flywheel two-part, there is torsional vibration damper between the two, can several angle be relatively rotated between preliminary quality flywheel and secondary mass flywheel, utilize torsional vibration damper, the torsional vibration that motor passes to transmission system can be effectively reduced, reduce vibration noise, obviously improve the NVH performance of vehicle; For the high-speed diesel engine of high moment of torsion, during coupling passenger car, double mass flywheel structure is particularly necessary; Double mass flywheel is also provided with flange keying structure, and make when automotive ignition process, the preliminary quality flywheel of double mass flywheel can keep locking with flange.Once motor completes igniting, rotating speed has exceeded point of resonance, and the locking of preliminary quality flywheel and flange is thrown off, double mass flywheel enters normal vibration damping working state, so effectively avoid the point of resonance of transmission system, reduce noise in igniting process, improve the travelling comfort of passenger.So the utility model effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all without prejudice under spirit of the present utility model and category, can modify above-described embodiment or changes.Therefore, such as have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that the utility model discloses, must be contained by claim of the present utility model.
Claims (6)
1. the Novel structure flywheel of a diesel engine, it is characterized in that: include preliminary quality flywheel and secondary mass flywheel, torsional vibration damper and flange is provided with between described preliminary quality flywheel and described secondary mass flywheel, described preliminary quality flywheel drives the flange be fixed on described secondary mass flywheel by described torsional vibration damper, thus drive described secondary mass flywheel turns, described preliminary quality flywheel comprises flywheel ectosome and flywheel hub portion, described flywheel hub portion is connected by tie-beam with flywheel ectosome, described flywheel hub portion is provided with bearing hole, the outer ledge of described flywheel ectosome is provided with flywheel teeth.
2. the Novel structure flywheel of a kind of diesel engine according to claim 1, is characterized in that: described secondary mass flywheel comprises lib and ring part, correspond to the projection flywheel hub portion out of described preliminary quality flywheel in the centre of described lib.
3. the Novel structure flywheel of a kind of diesel engine according to claim 2, it is characterized in that: described Novel structure flywheel also comprises flange keying structure, described flange keying structure comprises the rotating shaft of being fixed on described preliminary quality flywheel, and the snap be sleeved in described rotating shaft and latch hook, when the rotating speed of described preliminary quality flywheel is lower than desired speed, described latch hook makes described preliminary quality flywheel and described flange lock together under the active force of described snap, and when the rotating speed of described preliminary quality flywheel is higher than desired speed, the active force that the centrifugal force of described latch hook overcomes described snap is thrown away, and described preliminary quality flywheel and described flange are gone out of lock.
4. the Novel structure flywheel of a kind of diesel engine according to claim 3, is characterized in that: described Novel structure flywheel comprises one or circumferentially two or more flange keying structures equally distributed.
5. the Novel structure flywheel of a kind of diesel engine according to claim 1, is characterized in that: the thickness of described preliminary quality flywheel is greater than the thickness of described secondary mass flywheel.
6. the Novel structure flywheel of a kind of diesel engine according to claim 5, is characterized in that: can relatively rotate set angle between described preliminary quality flywheel and described secondary mass flywheel, and described set angle is 0-30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520879581.0U CN205118119U (en) | 2015-11-06 | 2015-11-06 | New -type structure flywheel of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520879581.0U CN205118119U (en) | 2015-11-06 | 2015-11-06 | New -type structure flywheel of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205118119U true CN205118119U (en) | 2016-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520879581.0U Expired - Fee Related CN205118119U (en) | 2015-11-06 | 2015-11-06 | New -type structure flywheel of diesel engine |
Country Status (1)
| Country | Link |
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| CN (1) | CN205118119U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116518030A (en) * | 2023-04-27 | 2023-08-01 | 浙江大学嘉兴研究院 | Horizontal opposed engine for new energy automobile |
| CN116771853A (en) * | 2023-06-16 | 2023-09-19 | 长城汽车股份有限公司 | Dual-mass flywheel, control method thereof and vehicle |
| WO2025044468A1 (en) * | 2023-08-25 | 2025-03-06 | 长城汽车股份有限公司 | Flywheel switching device, vehicle, control method, and storage medium |
-
2015
- 2015-11-06 CN CN201520879581.0U patent/CN205118119U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116518030A (en) * | 2023-04-27 | 2023-08-01 | 浙江大学嘉兴研究院 | Horizontal opposed engine for new energy automobile |
| CN116771853A (en) * | 2023-06-16 | 2023-09-19 | 长城汽车股份有限公司 | Dual-mass flywheel, control method thereof and vehicle |
| WO2025044468A1 (en) * | 2023-08-25 | 2025-03-06 | 长城汽车股份有限公司 | Flywheel switching device, vehicle, control method, and storage medium |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160330 Termination date: 20191106 |
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| CF01 | Termination of patent right due to non-payment of annual fee |