CN103438153A - Variable inertia flywheel structure - Google Patents
Variable inertia flywheel structure Download PDFInfo
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- CN103438153A CN103438153A CN2013103342913A CN201310334291A CN103438153A CN 103438153 A CN103438153 A CN 103438153A CN 2013103342913 A CN2013103342913 A CN 2013103342913A CN 201310334291 A CN201310334291 A CN 201310334291A CN 103438153 A CN103438153 A CN 103438153A
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Abstract
The embodiment of the invention discloses a variable inertia flywheel structure, which comprises a first flywheel and a second flywheel, wherein the first flywheel is used for being fixedly connected with a crankshaft, and the first flywheel comprises a first flywheel disk; the second flywheel comprises a second flywheel disk, and a pawl slot is arranged on a disc surface of one of the first flywheel disk and the second flywheel disk; and a pawl is convexly arranged on a disc surface of the other one of the first flywheel disk and the second flywheel disk, and the pawl is correspondingly matched with the pawl slot. When the large inertia of the flywheel is needed, the pawl extends into the pawl slot, and the first flywheel drives the second flywheel to rotate together; when the small inertia of the flywheel is needed, the pawl is separated from the pawl slot, and the first flywheel rotates and the second flywheel does not rotate with the first flywheel. According to the variable inertia flywheel structure, when an engine runs at low speed, the inertia of the flywheel increases so as to improve the smoothness of operation; and when the engine runs at high speed, the moment of inertia of the flywheel is reduced, and the fuel consumption is saved.
Description
Technical field
The present invention relates to the parts of automobile, particularly a kind of inertia variable fly wheel structure.
Background technique
Flywheel is the energy storage device of motor, and the energy of the larger storage of inertia of flywheel is larger.Running smoothness and inhomogeneity these characteristics that when low engine speed, flywheel discharges the raising motor by the energy stored are particularly evident; On the contrary, when high engine speeds turns round, in order to make the motor speed change rapid, we wish that the inertia of flywheel is the smaller the better, and this is the relation of conflict.
When flywheel inertia is large, the switching of high speed rotating speed is slow, and acceleration performance is poor, oil consumption is high; When flywheel inertia hour, low engine speed or idling are not steady, bring the problems such as shake.In prior art, flywheel inertia be definite value and immutable, flywheel can't meet above-mentioned requirements simultaneously.
Summary of the invention
The embodiment of the present invention provides a kind of inertia variable fly wheel structure, to increase flywheel inertia when the low engine speed, reduces flywheel inertia when high engine speeds.Described technological scheme is as follows:
A kind of inertia variable fly wheel structure, comprise the first flywheel and the second flywheel, and described the first flywheel is for being fixedly connected with bent axle; Described the first flywheel comprises the first Flywheel disc, and described the second flywheel comprises the second Flywheel disc; One of them card of described the first Flywheel disc and described the second Flywheel disc is provided with pawl slot, on described the first Flywheel disc and described the second Flywheel disc another card wherein, protrudes and is provided with ratchet, and described ratchet is corresponding with described pawl slot and can coordinate installation; When the large inertia of needs flywheel, described ratchet extend in described pawl slot, and described the first flywheel drives described the second flywheel and rotates together; When the little inertia of needs flywheel, described ratchet breaks away from described pawl slot, described the first flywheel rotation and described the second flywheel is not followed rotation.
Further, described the first flywheel and described the second flywheel are disc-shaped structure.
Further, described pawl slot is arranged on described the first Flywheel disc, and described ratchet is arranged on described the second Flywheel disc.
Further, described the second flywheel is between described bent axle and described the first flywheel, and described ratchet is located on the front-end face of described the second Flywheel disc, and described pawl slot is located on the ear end face of described the first Flywheel disc.
Further, described inertia variable fly wheel structure also comprises shift fork, described shift fork comprises shifting fork piece, described shifting fork piece is circular-arc, described the second flywheel also comprises fork slot, described fork slot is located on the periphery of described the second Flywheel disc, and described fork slot coordinates with described shifting fork piece, described shift fork for stir described the second flywheel towards or away from described the first flywheel, move.
Further, described inertia variable fly wheel structure also comprises solenoid valve, return spring, positioning block, and an end of described return spring connects described positioning block and plays solid Zhi Zuoyong, and the other end of described return spring connects described shift fork; Described solenoid valve produces the described shift fork of magnetic attraction in when energising and moves axially, and described shift fork drives elastic force that described the second flywheel overcomes described return spring and moves to the direction of described the first flywheel; Described solenoid valve is when outage, and described shift fork drives described the second flywheel shaft and moves to return under the elastic force effect of described return spring.
Further, described solenoid valve occupy a side at speed changer place in whole arrangement of mechanism, and described positioning block occupy a side at bent axle place in whole arrangement of mechanism.
Further, the front end of described bent axle comprises flange and retention Hp, and described retention Hp is protruded on the front-end face of described flange, and the endoporus of the cylindrical of described retention Hp and described the first Flywheel disc is connected.
Further, described inertia variable fly wheel structure also comprises fixed block, and described the first flywheel is assembled to by described fixed block on the front-end face of flange of described bent axle.
Further, described inertia variable fly wheel structure also comprises lining, and described bushing press-mounting is on the cylindrical of described flange, and the cylindrical of described lining coordinates assembling and is Spielpassung with the endoporus of described the second flywheel.
The beneficial effect that the technological scheme that the embodiment of the present invention provides is brought is: the inertia variable fly wheel structure that above-described embodiment provides, flywheel inertia is variable, make the rotation that combines of the second flywheel and the first flywheel when low engine speed, flywheel inertia increases, low speed or idling are steady, non-jitter, in order to improve running smoothness and uniformity; Make the second flywheel and the first divided flywheel from, the first flywheel rotation when high engine speeds and the second flywheel is not followed rotation, Rotary Inertia of Flywheel reduces, and the engine speed switching is fast, and gearshift rapidly, is saved oil consumption.
The accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the embodiment of the present invention, in below describing embodiment, the accompanying drawing of required use is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the decomposing schematic representation of a kind of inertia variable fly wheel structure of providing of the embodiment of the present invention;
Fig. 2 is the structural representation of the second flywheel in a kind of inertia variable fly wheel structure of providing of the embodiment of the present invention;
Fig. 3 is the structural representation of the first flywheel in a kind of inertia variable fly wheel structure of providing of the embodiment of the present invention;
Fig. 4 is the structural representation of shift fork in a kind of inertia variable fly wheel structure of providing of the embodiment of the present invention.
Embodiment
The embodiment of the present invention provides a kind of inertia variable fly wheel structure.
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Please refer to Fig. 1 to Fig. 4, be the structural representation of the inertia variable fly wheel structure that provides of the embodiment of the present invention, described inertia variable fly wheel structure comprises bent axle 1, lining 2, the first flywheel 4, the second flywheel 3, bolt 5, solenoid valve 6, shift fork 7, return spring 8, positioning block 9.
The front end of bent axle 1 comprises flange 11 and retention Hp 12, and wherein retention Hp 12 is protruded on the front-end face of flange 11, and the endoporus 45 of the first Flywheel disc 42 of the cylindrical of retention Hp 12 and the first flywheel 4 is connected, and plays positioning action; The front-end face of flange 11 is provided with fixed hole 14.
Lining 2 is fitted on the cylindrical of flange 11 of bent axle 1; The endoporus 35 of the cylindrical of lining 2 and the second flywheel 3 assembles and is Spielpassung.
The first flywheel 4 and the second flywheel 3 are disc-shaped structure, one of them card of the first Flywheel disc 42 and the second Flywheel disc 33 is provided with pawl slot, the first Flywheel disc 42 and described the second Flywheel disc 33 another card wherein is provided with ratchet, and ratchet coordinates with pawl slot.In the present embodiment, below with pawl slot, be arranged on the first Flywheel disc 42, ratchet is arranged on the second Flywheel disc 33 as example describes, yet should be appreciated that this is not limitation of the present invention.
The second flywheel 3 is between bent axle 1 and the first flywheel 4, and the second flywheel 3 comprises fork slot 31, ratchet 32, the second Flywheel disc 33 and endoporus 35.Wherein fork slot 31 is located on the periphery of the second Flywheel disc 33, with shift fork 7, coordinates; Ratchet 32 is located on the second Flywheel disc 33 front-end faces, with the pawl slot 41 on the first flywheel 4 ear end faces, coordinates; The cylindrical of endoporus 35 and lining 2 assembles and is Spielpassung.
The first flywheel 4 comprises pawl slot 41, the first Flywheel disc 42, signal teeth 43, bore a hole 44 and endoporus 45.Wherein pawl slot 41 is located on the ear end face of the first Flywheel disc 42, with the ratchet 32 of the second flywheel 3, coordinates; Signal teeth 43 is located on the front-end face cylindrical of the first Flywheel disc 42; The first flywheel 4 is assembled to through perforation 44 by bolt 5 on the fixed hole 14 of front-end face of flange 11 of bent axle 1; The endoporus 45 of the first Flywheel disc 42 is connected with the cylindrical of the retention Hp 12 of bent axle 1.
Solenoid valve 6 occupy a side at speed changer (not shown) place in whole arrangement of mechanism, and solenoid valve 6 can be fixed on the housing of speed changer.
One end of return spring 8 is connected on positioning block 9 and plays solid Zhi Zuoyong, and the other end is connected on the hook 71 of shift fork 7.
Positioning block 9 occupy a side at bent axle 1 place in whole arrangement of mechanism, and positioning block 9 can be the part of the cylinder block of motor.
The working principle of above-mentioned inertia variable fly wheel structure is:
When the low engine speed rotation needs flywheel in large inertia constantly, solenoid valve 6 chargings, solenoid valve 6 produces magnetic attraction shift fork 7 and moves axially, and the elastic force that shift fork 7 drive the second flywheels 3 overcome return spring 8 moves to the first flywheel 4 directions.After mobile certain displacement, the ratchet 32 on the second flywheel 3 extend in the pawl slot 41 above the first flywheel 4, the starting positioning action, and at this moment first flywheel 4 drive the second flywheels 3 rotate together, realize the fly-wheel control state.
When the high engine speeds rotation needs flywheel in little inertia constantly, solenoid valve 6 outages, shift fork 7 is subject to the back stretch impact of return spring 8, drives the axial return of the second flywheel 3 and moves.After moving to certain displacement, the ratchet 32 of the second flywheel 3 is from the interior disengaging of pawl slot 41 of the first flywheel 4, the second flywheel 3 is without driving force, become the slipping state at flange 11 cylindricals of bent axle 1, now only have the first flywheel 4 rotations, but the second flywheel 3 is not followed rotation, and whole mechanism completes the transformation from fly-wheel control to little mass flywheel.
The inertia variable fly wheel structure that above-described embodiment provides, flywheel inertia is variable, when low engine speed, makes the second flywheel and the first flywheel combine, and flywheel inertia increases, and low speed or idling are steady, non-jitter, in order to improve running smoothness and uniformity; When high engine speeds, make the second flywheel and the first divided flywheel from, Rotary Inertia of Flywheel reduces, engine speed switching is fast, gearshift rapidly, is saved oil consumption.
It should be noted that, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby make the process, method, article or the equipment that comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or also be included as the intrinsic key element of this process, method, article or equipment.In the situation that not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. an inertia variable fly wheel structure, is characterized in that, comprises the first flywheel (4) and the second flywheel (3), and described the first flywheel (4) is for being fixedly connected with bent axle (1); Described the first flywheel (4) comprises the first Flywheel disc (42), and described the second flywheel (3) comprises the second Flywheel disc (33); One of them card of described the first Flywheel disc (42) and described the second Flywheel disc (33) is provided with pawl slot (41), protrude and be provided with ratchet (32) on described the first Flywheel disc (42) and described the second Flywheel disc (33) another card wherein, described ratchet (32) is corresponding with described pawl slot (41) and can coordinate installation; When the large inertia of needs flywheel, described ratchet (32) extend in described pawl slot (41), and described the first flywheel (4) drives described the second flywheel (3) and rotates together; When the little inertia of needs flywheel, described ratchet (32) is from breaking away from described pawl slot (41), described the first flywheel (4) rotation and described the second flywheel (3) is not followed rotation.
2. inertia variable fly wheel structure as claimed in claim 1, is characterized in that, described the first flywheel (4) and described the second flywheel (3) are disc-shaped structure.
3. inertia variable fly wheel structure as claimed in claim 1, is characterized in that, it is upper that described pawl slot (41) is arranged on described the first Flywheel disc (42), and described ratchet (32) is arranged on described the second Flywheel disc (33).
4. inertia variable fly wheel structure as claimed in claim 3, it is characterized in that, described the second flywheel (3) is positioned between described bent axle (1) and described the first flywheel (4), described ratchet (32) is located on the front-end face of described the second Flywheel disc (33), and described pawl slot (41) is located on the ear end face of described the first Flywheel disc (42).
5. inertia variable fly wheel structure as claimed in claim 1, it is characterized in that, described inertia variable fly wheel structure also comprises shift fork (7), described shift fork (7) comprises shifting fork piece (72), described shifting fork piece (72) is circular-arc, described the second flywheel (3) also comprises fork slot (31), described fork slot (31) is located on the periphery of described the second Flywheel disc (33), described fork slot (31) coordinates with described shifting fork piece (72), described shift fork (7) for stir described the second flywheel (3) towards or mobile away from described the first flywheel (4).
6. inertia variable fly wheel structure as claimed in claim 5, it is characterized in that, described inertia variable fly wheel structure also comprises solenoid valve (6), return spring (8), positioning block (9), one end of described return spring (8) connects described positioning block (9) and plays solid Zhi Zuoyong, and the other end of described return spring (8) connects described shift fork (7); Described solenoid valve (6) produces the described shift fork of magnetic attraction (7) in when energising and moves axially, and described shift fork (7) drives elastic force that described the second flywheel (3) overcomes described return spring (8) and moves to the direction of described the first flywheel (4); Described solenoid valve (6) is when outage, and described shift fork (7) drives the axial return of described the second flywheel (3) and moves under the elastic force effect of described return spring (8).
7. inertia variable fly wheel structure as claimed in claim 6, it is characterized in that, described solenoid valve (6) occupy a side at speed changer place in whole arrangement of mechanism, and described positioning block (9) occupy a side at bent axle (1) place in whole arrangement of mechanism.
8. inertia variable fly wheel structure as described as claim 1 to 7 any one, it is characterized in that, the front end of described bent axle (1) comprises flange (11) and retention Hp (12), described retention Hp (12) is protruded on the front-end face of described flange (11), and the endoporus (45) of the cylindrical of described retention Hp (12) and described the first Flywheel disc (42) is connected.
9. inertia variable fly wheel structure as claimed in claim 8, it is characterized in that, described inertia variable fly wheel structure also comprises fixed block (5), and described the first flywheel (4) is assembled to by described fixed block (5) on the front-end face of flange (11) of described bent axle (1).
10. inertia variable fly wheel structure as claimed in claim 8, it is characterized in that, described inertia variable fly wheel structure also comprises lining (2), described lining (2) is fitted on the cylindrical of described flange (11), and the cylindrical of described lining (2) coordinates assembling and is Spielpassung with the endoporus (35) of described the second flywheel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310334291.3A CN103438153B (en) | 2013-08-02 | 2013-08-02 | Variable inertia flywheel structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310334291.3A CN103438153B (en) | 2013-08-02 | 2013-08-02 | Variable inertia flywheel structure |
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| CN103438153A true CN103438153A (en) | 2013-12-11 |
| CN103438153B CN103438153B (en) | 2016-08-10 |
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| CN201310334291.3A Active CN103438153B (en) | 2013-08-02 | 2013-08-02 | Variable inertia flywheel structure |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104862895A (en) * | 2015-06-12 | 2015-08-26 | 吴江市震宇缝制设备有限公司 | Magnetically-attractive fly wheel of sewing machine |
| CN107253437A (en) * | 2017-06-20 | 2017-10-17 | 陕西法士特齿轮有限责任公司 | A kind of speed coach transmission vibration and noise reducing device |
| CN107923481A (en) * | 2015-08-20 | 2018-04-17 | 株式会社艾科赛迪 | Cogging restraining device, torque converter and power transmission |
| CN109387360A (en) * | 2018-12-05 | 2019-02-26 | 西南交通大学 | Loacting test rack inertia variable fly wheel system |
| CN109827708A (en) * | 2019-03-27 | 2019-05-31 | 中国北方车辆研究所 | A kind of mechanical inertia case apparatus for electrical inertia calibration |
| CN112483601A (en) * | 2020-12-08 | 2021-03-12 | 陈谦 | Flywheel with automatically adjustable rotary inertia |
| CN112709785A (en) * | 2020-12-23 | 2021-04-27 | 中国人民解放军国防科技大学 | Ratchet type ball screw inerter with variable inerter coefficient and capable of rotating bidirectionally |
| CN112728003A (en) * | 2020-12-23 | 2021-04-30 | 中国人民解放军国防科技大学 | Bidirectional-rotation ratchet expansion type flywheel for ball screw inertial container |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104862895A (en) * | 2015-06-12 | 2015-08-26 | 吴江市震宇缝制设备有限公司 | Magnetically-attractive fly wheel of sewing machine |
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| CN107923481A (en) * | 2015-08-20 | 2018-04-17 | 株式会社艾科赛迪 | Cogging restraining device, torque converter and power transmission |
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| CN107923481B (en) * | 2015-08-20 | 2020-02-04 | 株式会社艾科赛迪 | Torque fluctuation suppression device, torque converter, and power transmission device |
| US10619702B2 (en) | 2015-08-20 | 2020-04-14 | Exedy Corporation | Torque fluctuation inhibiting device, torque converter and power transmission device |
| CN107253437A (en) * | 2017-06-20 | 2017-10-17 | 陕西法士特齿轮有限责任公司 | A kind of speed coach transmission vibration and noise reducing device |
| CN109387360A (en) * | 2018-12-05 | 2019-02-26 | 西南交通大学 | Loacting test rack inertia variable fly wheel system |
| CN109387360B (en) * | 2018-12-05 | 2023-12-26 | 西南交通大学 | Variable inertia flywheel system of fixed test bed |
| CN109827708A (en) * | 2019-03-27 | 2019-05-31 | 中国北方车辆研究所 | A kind of mechanical inertia case apparatus for electrical inertia calibration |
| CN112483601A (en) * | 2020-12-08 | 2021-03-12 | 陈谦 | Flywheel with automatically adjustable rotary inertia |
| CN112709785A (en) * | 2020-12-23 | 2021-04-27 | 中国人民解放军国防科技大学 | Ratchet type ball screw inerter with variable inerter coefficient and capable of rotating bidirectionally |
| CN112728003A (en) * | 2020-12-23 | 2021-04-30 | 中国人民解放军国防科技大学 | Bidirectional-rotation ratchet expansion type flywheel for ball screw inertial container |
| CN112709785B (en) * | 2020-12-23 | 2022-05-24 | 中国人民解放军国防科技大学 | Ratchet type ball screw inerter with variable inerter coefficient and capable of rotating bidirectionally |
| CN112728003B (en) * | 2020-12-23 | 2022-06-21 | 中国人民解放军国防科技大学 | Bidirectional-rotation ratchet expansion type flywheel for ball screw inertial container |
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| CN103438153B (en) | 2016-08-10 |
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