CN202790312U - Automobile engine flywheel - Google Patents
Automobile engine flywheel Download PDFInfo
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- CN202790312U CN202790312U CN 201220438979 CN201220438979U CN202790312U CN 202790312 U CN202790312 U CN 202790312U CN 201220438979 CN201220438979 CN 201220438979 CN 201220438979 U CN201220438979 U CN 201220438979U CN 202790312 U CN202790312 U CN 202790312U
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- flywheel
- foreign steamer
- automobile engine
- damping layer
- elastic damping
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Abstract
The utility model provides an automobile engine flywheel, and belongs to the technical field of automobiles. The automobile engine flywheel solves the technical problems of high vibration, high cost and the like of the conventional automobile engine flywheel. The automobile engine flywheel is arranged at one end of an engine crankshaft; the flywheel comprises an inner wheel and an outer wheel sleeved on the peripheral wall of the inner wheel; and an elastic vibration attenuation layer capable of attenuating the torsional vibration energy between the outer wheel and the inner wheel is arranged between the outer wheel and the inner wheel. The flywheel can effectively attenuate the torsional vibration energy of a crankshaft flywheel system, and has the advantages of low cost, simple structure and the like at the same time.
Description
Technical field
The utility model belongs to automobile technical field, relates to a kind of automobile engine flywheel.
Background technique
Along with the development of science and technology and the raising of people's living standard, automobile has been come into huge numbers of families, becomes the topmost traffic tool of people's go off daily.Present people are when choosing automobile, and are more and more higher for the requirement of car comfort.
In the work cycle of car combustion engine, " air inlet-compression-acting-exhaust " four-stroke is so that bent axle rotation period ground acceleration or deceleration, and namely speed of crankshaft is along with spark rate fluctuates, and the speed of crankshaft fluctuation is called as " torsional oscillation ".Torsional oscillation on the bent axle will be transferred on each annex that is connected with bent axle, and other annexes also can carry out forced vibration along with the torsional oscillation of bent axle, causes noise and vibration increase in the car, the working life of having reduced riding comfort and the component of automobile.
Because engine flywheel directly is connected with bent axle, so the torsional oscillation that flywheel is subject to bent axle affects very large.When producing " being in step with " between the torque that the cycle changes on being applied to flywheel and the vibration frequency of flywheel own, resonance phenomenon will appear.The amplitude of the torsional oscillation of flywheel distortion will substantially exceed normal value when resonance occurs, and light then noise that generation is very large is heavy then affect whole dynamic transfer system, cause power interruption, therefore, be necessary the torsional oscillation energy of fly wheel system is decayed, thereby guarantee the efficient operation of automobile.
In existing internal-combustion engine, mainly come the torsional oscillation energy of damp crankshaft fly wheel system by damper pulley.Yet, this mode is more limited to the attenuating of the torsional oscillation energy of crankshaft flywheel system, therefore effect is not fine, for this reason, just there was afterwards the people that flywheel is improved, further to reduce reversing of crankshaft flywheel system, such as Chinese patent literature a kind of double mass flywheel torsional balancer [application number: 200720087045.2 is disclosed; Notice of authorization number: CN201129396Y], it comprises the first flywheel, in the first minute wheel, establish elastic vibration clamper, with coaxial the second flywheel that is connected of the first flywheel, connect driving plate on the second flywheel, the claw of driving plate is located in the elastic vibration clamper, the elastic vibration clamper of establishing in the first flywheel comprises the spring chamber annular groove of offering on the first flywheel card, establish at least two limiting stoppers in the spring chamber annular groove, in the spring chamber annular groove between two limiting stoppers cluster spring is set respectively, connects cover plate on the spring chamber annular groove.This device is stirred spring seat by the claw on the driving plate and is come Compress Spring, realizes the function of vibration damper.Although this device is the torsional oscillation energy of further damp crankshaft fly wheel system to a certain extent, this apparatus structure is complicated, cost is high, is difficult to extensively be promoted the use of.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed the automobile engine flywheel of energy effective attenuation of low, simple in structure while of a kind of cost crankshaft flywheel system torsional oscillation energy.
The purpose of this utility model can realize by following technical proposal: a kind of automobile engine flywheel, be arranged at engine crankshaft one end, described flywheel comprises the interior foreign steamer of taking turns and being set on the interior periphery wall of taking turns, at the elastic damping layer that is provided with the torsional oscillation energy between foreign steamer and interior wheel of decaying between foreign steamer and interior the wheel.
The interior wheel of this automobile engine flywheel is connected with bent axle, and the foreign steamer of flywheel is connected with interior the wheel by the elastic damping layer.When engine operation, bent axle flywheel driven assembly rotates together, and when bent axle twisted vibration, forced vibration occured wheel thereupon in the flywheel.Because the foreign steamer quality of flywheel is larger, its inertia is also larger, and foreign steamer is done uniform rotation at rotation round, between the foreign steamer that so just causes flywheel and interior the wheel relative angle vibration has been arranged, and makes the elastic damping layer produce the torsional deflection that positive and negative direction replaces variation.At this moment, be out of shape the molecular friction of the elastic damping layer inside that produces owing to the elastic damping layer, consumed interior wheel torsional vibration energy, therefore subdued to a great extent torsional oscillation, make the foreign steamer uniform rotation and uniform moment of torsion is sent to speed changer, greatly reduced because the inhomogeneous moment of torsion of motor, has improved speed changer working life to the impact that speed changer causes, and improved the comfort property of driving smoothness and car load.
In above-mentioned automobile engine flywheel, described elastic damping layer is a rubber layer.
In above-mentioned automobile engine flywheel, on interior periphery wall of taking turns, be provided with groove one along interior radial direction of taking turns, be provided with the bulge loop one that can be connected in the above-mentioned groove with interior inwall of taking turns the elastic damping layer that periphery wall connects, when the elastic damping layer was set on the interior periphery wall of taking turns, above-mentioned bulge loop one was connected in the above-mentioned groove one.
In above-mentioned automobile engine flywheel, radial direction along foreign steamer on the inner circle wall of foreign steamer is provided with bulge loop two, the outer wall of the elastic damping layer that connects with the foreign steamer inner circle wall is provided with the groove two that can be connected in the above-mentioned bulge loop two, when foreign steamer was set on the periphery wall of elastic damping layer, above-mentioned bulge loop two was connected in the above-mentioned groove two.
In above-mentioned automobile engine flywheel, described elastic damping layer respectively with above-mentioned interior wheel and foreign steamer interference fit.Because motor is in the time of motion, the interior wheel of flywheel is by the elastic damping layer moment of torsion of motor to be delivered to foreign steamer, therefore must have good interference fit between the interior wheel of elastic damping layer and flywheel and the foreign steamer, to avoid in elastic damping layer and the flywheel relative movement between wheel and the foreign steamer, guarantee the high efficiency that moment is transmitted.Be connected in groove one and the groove two by bulge loop one and bulge loop two branches between the interior wheel of elastic damping layer and flywheel and the foreign steamer, not only so that easy for installation, the fixing-stable of elastic damping layer, the interior wheel of elastic damping layer and flywheel and the area of contact between the foreign steamer have also greatly been increased simultaneously, so that the interference effect is more good, also increased the effect of elastic damping layer damp crankshaft fly wheel system torsional oscillation energy simultaneously.
Compared with prior art, this automobile engine flywheel has the following advantages:
1, this automobile engine flywheel is by arranging an elastic damping layer between the foreign steamer of flywheel and interior the wheel, when the flywheel forced vibration, the elastic damping layer can reach absorbing vibrational energy well, improve the efficient of engine power transmission, simultaneously can also reduce the impact that the inhomogeneous moment of torsion of motor causes speed changer, improve speed changer working life, improve and drive smoothness.
2, this automobile engine flywheel not only improves principle and structural manufacturing process is simple, and working stability, cost are low simultaneously, are fit to extensively promote the use.
Description of drawings
Fig. 1 is the blast structural representation of this automobile engine flywheel.
Fig. 2 is the sectional structure schematic representation of this automobile engine flywheel.
Fig. 3 is the structure for amplifying schematic representation at A place among Fig. 2.
Fig. 4 is the sectional structure schematic representation on the other direction of this automobile engine flywheel.
Among the figure, 1, the interior wheel; 11, groove one; 2, foreign steamer; 21, bulge loop one; 22, groove two; 3, elastic damping layer; 32, bulge loop two.
Embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
This automobile engine flywheel is arranged at engine crankshaft one end, its concrete outcome as shown in Figure 1 and Figure 4, shown in, this flywheel comprises interiorly takes turns 1 and be set in interior foreign steamer 2 of taking turns on 1 the periphery wall, is provided with can decay foreign steamer 2 and interior elastic damping layer 3 of taking turns torsional oscillation energy between 1 between 1 at foreign steamer 2 and interior the wheel.As preferably, elastic damping layer 3 is a rubber layer.When the flywheel forced vibration, elastic damping layer 3 can reach absorbing vibrational energy well, subdues torsional oscillation, guarantees that engine power transmits efficiently.
The elastic damping layer 3 of this automobile engine flywheel and interior take turns 1 and foreign steamer 2 between be respectively interference fit.Such as Fig. 2, shown in Figure 3, on the periphery wall of the interior wheel 1 of flywheel, be provided with groove 1 along interior 1 the radial direction of taking turns, be provided with the bulge loop 1 that can be connected in the groove 1 with interior inwall of taking turns the elastic damping layer 3 that 1 periphery wall connects, when elastic damping layer 3 is set in interiorly when taking turns on 1 the periphery wall, bulge loop 1 is connected in the groove 1; Simultaneously, radial direction along foreign steamer 2 on the inner circle wall of foreign steamer 2 is provided with bulge loop 32, the outer wall of the elastic damping layer 3 that connects with foreign steamer 2 inner circle walls is provided with the groove 22 that can be connected in the bulge loop 32, when foreign steamer 2 was set on the periphery wall of elastic damping layer 3, bulge loop 32 was connected in the groove 2 22.
Specific embodiment described herein only is to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has more used the terms such as interior wheel 1, groove 1, foreign steamer 2, bulge loop 1, groove 2 22, elastic damping layer 3, bulge loop 2 32, do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present utility model; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (5)
1. automobile engine flywheel, be arranged at engine crankshaft one end, it is characterized in that, described flywheel comprises interior wheel the (1) and is set in foreign steamer (2) on the periphery wall of interior wheel the (1), at the elastic damping layer (3) that is provided with the torsional oscillation energy between foreign steamer (2) and interior wheel the (1) of decaying between foreign steamer (2) and interior wheel the (1).
2. automobile engine flywheel according to claim 1 is characterized in that, described elastic damping layer (3) is a rubber layer.
3. automobile engine flywheel according to claim 1 and 2, it is characterized in that, radial direction along interior wheel the (1) on the periphery wall of described interior wheel the (1) is provided with groove one (11), the inwall of the elastic damping layer (3) that connects with interior wheel the (1) periphery wall is provided with the bulge loop one (21) that can be connected in the above-mentioned groove one (11), when elastic damping layer (3) was set on the periphery wall of interior wheel the (1), above-mentioned bulge loop one (21) was connected in the above-mentioned groove one (11).
4. automobile engine flywheel according to claim 1 and 2, it is characterized in that, radial direction along foreign steamer (2) on the inner circle wall of described foreign steamer (2) is provided with bulge loop two (32), the outer wall of the elastic damping layer (3) that connects with foreign steamer (2) inner circle wall is provided with the groove two (22) that can be connected in the above-mentioned bulge loop two (32), when foreign steamer (2) was set on the periphery wall of elastic damping layer (3), above-mentioned bulge loop two (32) was connected in the above-mentioned groove two (22).
5. automobile engine flywheel according to claim 1 and 2 is characterized in that, described elastic damping layer (3) respectively with above-mentioned interior wheel (1) and foreign steamer (2) interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220438979 CN202790312U (en) | 2012-08-31 | 2012-08-31 | Automobile engine flywheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220438979 CN202790312U (en) | 2012-08-31 | 2012-08-31 | Automobile engine flywheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202790312U true CN202790312U (en) | 2013-03-13 |
Family
ID=47817578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220438979 Expired - Fee Related CN202790312U (en) | 2012-08-31 | 2012-08-31 | Automobile engine flywheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202790312U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653291A (en) * | 2014-04-09 | 2015-05-27 | 张天送 | Crankshaft-free tangent line transmission multi-staggering elasticity-blocking controllable high speed energy saving engine |
-
2012
- 2012-08-31 CN CN 201220438979 patent/CN202790312U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653291A (en) * | 2014-04-09 | 2015-05-27 | 张天送 | Crankshaft-free tangent line transmission multi-staggering elasticity-blocking controllable high speed energy saving engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20130831 |