CN207195556U - A kind of variable elastic flywheel of rotary inertia - Google Patents
A kind of variable elastic flywheel of rotary inertia Download PDFInfo
- Publication number
- CN207195556U CN207195556U CN201721119708.4U CN201721119708U CN207195556U CN 207195556 U CN207195556 U CN 207195556U CN 201721119708 U CN201721119708 U CN 201721119708U CN 207195556 U CN207195556 U CN 207195556U
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- CN
- China
- Prior art keywords
- wheel body
- interior
- gear ring
- outer wheel
- rubber
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Abstract
The utility model discloses a kind of variable elastic flywheel of rotary inertia, including interior wheel body, outer wheel body, rubber gear ring and startup gear ring；The rubber gear ring is between interior wheel body and outer wheel body；The cylindrical of the rubber gear ring has been uniformly distributed circumferentially external gear teeth, and the inner circle of rubber gear ring has been uniformly distributed circumferentially the interior gear teeth；The inner circle of the outer wheel body is formed with the first teeth groove coordinated with the external gear teeth；Cylindrical the second teeth groove formed with the interior gear teeth cooperation of the interior wheel body；The end face of the outer wheel body is uniformly distributed circumferentially multiple chutes being disposed radially, and each slide is combined with one-to-one balancing weight therewith, and the back-moving spring for applying elastic force radially inward to balancing weight is provided with the chute；The startup gear ring overcoat is fixed on outer wheel body, and the variable elastic flywheel of the rotary inertia can smoothly transmit the moment of torsion of engine output.
Description
Technical field
It the utility model is related to engine component field, the variable elastic flywheel of specifically a kind of rotary inertia.
Background technology
Flywheel is mounted in the disc parts of engine crankshaft output end, and it in rotation process there is very big rotation to be used to
Amount so that each cylinder is transferred to vibration caused by bent axle when engine works and noise is reduced as far as possible；Meanwhile flywheel is also
Power is transferred to the important component of gearbox.In traditional manual-gear vehicle, flywheel is the important component of clutch,
It contacts, realized the transmission of power with clutch friction plate.But due to during use clutch friction plate and automobile fly
It is very high to take turns joint place temperature, the abrasion of flywheel and friction plate can be aggravated；Simultaneously because manual-gear vehicle needs pin stepping on clutch
Gear shift operation can be realized, its manipulation is relative complex.With the raising of technology, when automatic catch automobile progressively turns into people's purchase automobile
First choice, its use fluid torque-converter as realized between engine and gearbox different stalls switching when disengaging part.It is existing
Some flywheel rigidity is larger, and when bent axle output speed fluctuates, larger impact is easily caused to flywheel, it is easy to due to
The defects of stress concentration causes the disk body of flywheel to be deformed, crackle, influence part service life, function and safety；It is another
Aspect, the rotary inertia of existing flywheel is fixed value, if its rotary inertia is larger, it is necessary to the startup motor ability of relatively high power
Complete to start, if its rotary inertia is smaller, the rotating speed and torque ripple of engine output are larger.
Utility model content
In view of this, the purpose of this utility model is the defects of overcoming in the prior art, there is provided a kind of to reduce
When engine speed changes to caused by flywheel and fluid torque-converter input percussion, while rotary inertia can be with rotating speed
Change and change, the rotary inertia variable elastic flywheel of the stationarity of moment of torsion transmission when ensure that engine operating.
The variable elastic flywheel of rotary inertia of the present utility model, including interior wheel body, outer wheel body, rubber gear ring and startup tooth
Circle；The rubber gear ring is between interior wheel body and outer wheel body；The cylindrical of rubber gear ring has been uniformly distributed circumferentially foreign steamer
Tooth, the inner circle of rubber gear ring have been uniformly distributed circumferentially the interior gear teeth；The inner circle of the outer wheel body with the external gear teeth formed with matching somebody with somebody
The first teeth groove closed；Cylindrical the second teeth groove formed with the interior gear teeth cooperation of the interior wheel body；The end of the outer wheel body
Face is uniformly distributed circumferentially multiple chutes being disposed radially, and each slide is combined with matches somebody with somebody correspondingly therewith
Pouring weight, the chute is interior to be provided with the back-moving spring for applying elastic force radially inward to balancing weight；The startup gear ring overcoat is consolidated
Due to outer wheel body, the interior wheel body is circumferentially distributed multiple bent axle connecting holes；The outer wheel body is circumferentially distributed multiple liquid
Power torque-converters connecting hole；
Further, the chute is dovetail groove, and the balancing weight is provided with the dovetail slide block coordinated with dovetail groove.
Further, the external gear teeth is identical with the quantity of the interior gear teeth and is circumferentially staggered.
Further, the interior wheel body both ends correspond to respectively is fixed with two for carrying out axial limiting to the rubber gear ring
Back-up ring；
Further, it is all provided with rubber sleeve in the bent axle connecting hole and fluid torque-converter connecting hole；
Further, two back-up rings are respectively left back-up ring and right back-up ring；The centre bore of the left back-up ring is as connection bent axle
When positioning hole, the right back-up ring as connection fluid torque-converter input positioning boss.
The beneficial effects of the utility model are：The variable elastic flywheel of rotary inertia of the present utility model, interior wheel body pass through
Bent axle connecting hole is connected with crankshaft output end, and outer wheel body is inputted by fluid torque-converter connecting hole and fluid torque-converter power
End drive connection, above-mentioned drive connection can realize that when bent axle exports power, bent axle drives lubrication groove by bolt through connecting hole
Body rotates, and interior wheel body is by the mutual cooperation of the interior gear teeth and the second teeth groove to rubber gear ring passing power, and rubber gear ring passes through
The outside wheel body passing power of mutual cooperation of external gear teeth and the first teeth groove, most to be transferred to fluid torque-converter defeated for the power of bent axle at last
Enter end, when the rotating speed of bent axle output occurs rapidly to change, rubber gear ring has preferable pliability, makes interior wheel body and outer wheel body
Between a range of relative rotation occurs, so as to reduce engine speed change when to caused by fluid torque-converter input
Percussion, the stationarity of moment of torsion transmission when ensure that engine operating；In addition, this flywheel is before an engine is started, outside flywheel
Balancing weight on wheel body is close to flywheel center position under the promotion of back-moving spring, and now, the overall inertia of flywheel is smaller, starts
Machine easily starts, after engine start, balancing weight overcome under the influence of centrifugal force the elastic force of back-moving spring radially to
Outer slip, the overall inertia of flywheel will increase, it is ensured that the stability of engine speed and torque output.
Brief description of the drawings
The utility model is further described with reference to the accompanying drawings and examples：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is that the utility model removes the structural representation after back-up ring
Fig. 3 is A-A sectional views in Fig. 1；
Fig. 4 is the schematic diagram of rubber gear ring of the present utility model.
Embodiment
Fig. 1 is structural representation of the present utility model；As illustrated, the flywheel with rubber gear ring 7 of the present embodiment, bag
Include interior wheel body 6, outer wheel body 5, rubber gear ring 7 and start gear ring 2；The rubber gear ring 7 is between interior wheel body 6 and outer wheel body 5；
The cylindrical of the rubber gear ring 7 has been uniformly distributed circumferentially external gear teeth, and the inner circle of rubber gear ring 7 has been uniformly distributed circumferentially lubrication groove
Tooth；The inner circle of the outer wheel body 5 is formed with the first teeth groove coordinated with the external gear teeth；The interior wheel body 6 it is cylindrical formed with
The second teeth groove coordinated with the interior gear teeth；The end face of the outer wheel body is uniformly distributed circumferentially multiple cunnings being disposed radially
Groove 9, each chute 9 are sliding combined with one-to-one balancing weight 10 therewith, are provided with the chute 9 to the edge of balancing weight 10
Radially-inwardly apply the back-moving spring 11 of elastic force；The startup overcoat of gear ring 2 is fixed on outer wheel body 5, and the interior wheel body 6 is along week
To multiple bent axle connecting holes 1 are distributed with；The outer wheel body 5 is circumferentially distributed multiple fluid torque-converter connecting holes 4；Interior wheel body 6
It is connected by bent axle connecting hole 1 and crankshaft output end, outer wheel body 5 passes through fluid torque-converter connecting hole 4 and fluid torque-converter
Power intake is connected, and above-mentioned drive connection can be realized by bolt through connecting hole, when bent axle exports power, bent axle
Wheel body 6 rotates in drive, interior wheel body 6 by the mutual cooperation of the interior gear teeth and the second teeth groove to the passing power of rubber gear ring 7, and rubber
Glue gear ring 7 is by the outside passing power of wheel body 5 of mutual cooperation of external gear teeth and the first teeth groove, and most the power of bent axle is transferred at last
Fluid torque-converter input, when the rotating speed of bent axle output occurs rapidly to change, rubber gear ring 7 has preferable pliability, makes
A range of relative rotation occurs between interior wheel body 6 and outer wheel body 5, fluid power is become during engine speed change so as to reduce
Percussion caused by square device input, the stationarity of moment of torsion transmission when ensure that engine operating；In addition, this flywheel is starting
Before machine starts, the balancing weight 10 on the outer wheel body of flywheel is under the promotion of back-moving spring 11 close to flywheel center position, now, flywheel
Overall inertia it is smaller, engine easily starts, and after engine start, balancing weight 10 overcomes reset under the influence of centrifugal force
The elastic force of spring 11 is radially slided, and the overall inertia of flywheel will increase, it is ensured that engine speed and torque output
Stability.
In the present embodiment, the chute 9 is dovetail groove, and the balancing weight 10 is provided with the dovetail slide block coordinated with dovetail groove,
Using dovetail chute 9 balancing weight 10 can be avoided to deviate from, in addition, the side wall of dovetail chute 9 can set polytetrafluoroethylene (PTFE) to make
Self-lubricating layer, avoid balancing weight 10 stuck.
In the present embodiment, the external gear teeth is identical with the quantity of the interior gear teeth and is circumferentially staggered, interior in the present embodiment
The gear teeth and external gear teeth are 20, and circumferentially stagger setting can improve the bulk strength of rubber gear ring for external gear teeth and the interior gear teeth,
Avoid stress concentration.
In the present embodiment, the interior both ends of wheel body 6 correspond to respectively is fixed with two for carrying out axle to the rubber gear ring 7
To spacing back-up ring 3, after outer wheel body 5, interior wheel body 6 and rubber gear ring 7 cooperate, by back-up ring 3 by the mode such as welding, being bonded
The both ends of interior wheel body 6 are fixed on, avoid rubber gear ring 7 from departing from.
In the present embodiment, rubber sleeve 8, the bent axle are all provided with the bent axle connecting hole 1 and fluid torque-converter connecting hole 4
The aperture of connecting hole 1 and fluid torque-converter connecting hole 4 gradually increases from middle part to both ends, and the external diameter of rubber sleeve 8 should be less than and it
The maximum diameter of hole of corresponding connecting hole and the minimum-value aperture for being more than connecting hole, ensure that rubber sleeve 8 can be inserted smoothly in connecting hole
And will not deviate from from connecting hole, during Flywheel, flywheel and bent axle or fluid torque-converter are realized through rubber sleeve 8 using bolt
The connection of input shaft, rubber sleeve 8 can further be alleviated to be impacted in flywheel operation caused by rotation speed change.
In the present embodiment, two back-up rings 3 are respectively left back-up ring 3 and right back-up ring 3；The centre bore conduct of the left back-up ring 3
Connect positioning hole during bent axle, positioning boss of the right back-up ring 3 as connection fluid torque-converter input.When bent axle is installed,
Crankshaft output end can be inserted into the positioning hole and be positioned, and formed with circle on the input end face of fluid torque-converter input shaft
Groove, the groove can be mutually located with positioning boss mutual cooperation realization.
Finally illustrate, above example is only unrestricted to illustrate the technical solution of the utility model, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent substitution, without departing from the objective and model of technical solutions of the utility model
Enclose, it all should cover among right of the present utility model.
Claims (5)
- A kind of 1. variable elastic flywheel of rotary inertia, it is characterised in that：Including interior wheel body, outer wheel body, rubber gear ring and startup Gear ring；The rubber gear ring is between interior wheel body and outer wheel body；The cylindrical of the rubber gear ring has been uniformly distributed circumferentially outside The gear teeth, the inner circle of rubber gear ring have been uniformly distributed circumferentially the interior gear teeth；The inner circle of the outer wheel body formed with the external gear teeth The first teeth groove coordinated；Cylindrical the second teeth groove formed with the interior gear teeth cooperation of the interior wheel body；The outer wheel body End face is uniformly distributed circumferentially multiple chutes being disposed radially, and each slide is combined with one-to-one therewith Balancing weight, the chute is interior to be provided with the back-moving spring for applying elastic force radially inward to balancing weight；The startup gear ring overcoat Outer wheel body is fixed on, the interior wheel body is circumferentially distributed there are multiple bent axle connecting holes；The outer wheel body is circumferentially distributed have it is multiple Fluid torque-converter connecting hole.
- 2. the variable elastic flywheel of rotary inertia according to claim 1, it is characterised in that：The chute is dovetail groove, The balancing weight is provided with the dovetail slide block coordinated with dovetail groove.
- 3. the variable elastic flywheel of rotary inertia according to claim 2, it is characterised in that：The external gear teeth and the interior gear teeth Quantity it is identical and be circumferentially staggered.
- 4. the variable elastic flywheel of rotary inertia according to claim 3, it is characterised in that：The interior wheel body both ends difference It is corresponding to be fixed with two back-up rings for being used to carry out the rubber gear ring axial limiting.
- 5. the variable elastic flywheel of rotary inertia according to claim 4, it is characterised in that：The bent axle connecting hole and liquid Rubber sleeve is all provided with power torque-converters connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721119708.4U CN207195556U (en) | 2017-09-01 | 2017-09-01 | A kind of variable elastic flywheel of rotary inertia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721119708.4U CN207195556U (en) | 2017-09-01 | 2017-09-01 | A kind of variable elastic flywheel of rotary inertia |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207195556U true CN207195556U (en) | 2018-04-06 |
Family
ID=61790638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721119708.4U Expired - Fee Related CN207195556U (en) | 2017-09-01 | 2017-09-01 | A kind of variable elastic flywheel of rotary inertia |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207195556U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667885A (en) * | 2018-05-23 | 2019-04-23 | 李芝宏 | Low gyroscopic effect flywheel |
-
2017
- 2017-09-01 CN CN201721119708.4U patent/CN207195556U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667885A (en) * | 2018-05-23 | 2019-04-23 | 李芝宏 | Low gyroscopic effect flywheel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180406 Termination date: 20180901 |