CN107763138A - A kind of integral one-piece crankshaft torsional vibration damper assembly - Google Patents
A kind of integral one-piece crankshaft torsional vibration damper assembly Download PDFInfo
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- CN107763138A CN107763138A CN201711004031.4A CN201711004031A CN107763138A CN 107763138 A CN107763138 A CN 107763138A CN 201711004031 A CN201711004031 A CN 201711004031A CN 107763138 A CN107763138 A CN 107763138A
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- inverted trapezoidal
- integral
- equidistant
- cylindrical
- isolation rubber
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Abstract
The present invention relates to a kind of integral one-piece crankshaft torsional vibration damper assembly, including belt pulley, the wheel hub with bent axle mating connection, in addition to the vibration isolation rubber circle being located between the inner circle of belt pulley and the cylindrical of wheel hub.The inner circle of belt pulley is equidistant to be provided with multiple big inverted trapezoidal grooves of size identical.Vibration isolation rubber circle it is cylindrical it is equidistant be provided with the big inverted trapezoidal boss of multiple size identicals, inner circle is equidistant is provided with multiple small inverted trapezoidal grooves of size identical；The cylindrical of wheel hub equidistant is provided with the small inverted trapezoidal boss of multiple size identicals.The cylindrical multiple big inverted trapezoidal boss of vibration isolation rubber circle are corresponded to coordinate and vulcanize and are integral with multiple big inverted trapezoidal grooves in belt pulley inner circle；Multiple small inverted trapezoidal grooves of multiple small inverted trapezoidal boss and vibration isolation rubber circle inner circle on wheel hub is cylindrical are corresponded to coordinate and vulcanize and are integral；The shearing force that vibration isolation rubber circle therein is received can be changed into pressure by it, extend the service life of vibration isolation rubber circle, the significant twisting vibration for reducing bent axle.
Description
Technical field
The present invention relates to engine, the integral one-piece crankshaft torsion damping in more particularly to a kind of engine crankshaft transmission device
Device assembly.
Background technology
The effect of integral one-piece crankshaft torsional vibration damper assembly is that crank torque is transmitted into feed pump, hydraulic pump, hair by belt
The parts such as motor simultaneously drive its work, while reduce crankshaft system twisting vibration by its damping effect, reduce crankshaft torsion and shake
Move the harm brought to engine and the vibration and noise for reducing vehicle.When automobile engine works, act on bent axle
The size and Orientation of power is all periodically variable, and bent axle can be because the swing of the larger flywheel of rotary inertia, and produces torsion
Vibration；This twisting vibration can largely effect on the comfort level for influenceing vehicle ride, or even can also influence whole power output and biography
The operation of dynamic system.Therefore, on the high-performance enginer that integral one-piece crankshaft torsional vibration damper assembly is widely used in now.It is existing
It is most widely used be by belt pulley by vibration isolation rubber circle be bonded, vulcanization or by interference fit with wheel hub be connected to one
Rise, when the engine is running, vibration isolation rubber circle produces shearing deformation, the energy of twisting vibration is converted into heat energy, so as to cut down
The twisting vibration of internal combustion engine shafting, reach the purpose of vibration damping.But rubber is not in such a integral one-piece crankshaft torsional vibration damper assembly
It is disconnected easily it fatigue rupture is occurred by shearing force, cause degumming, fall the problems such as glue, rubber tear, cause when serious
Belt pulley comes off in internal combustion engine working process, has a strong impact on occupant's safety." one kind hair announced such as CN206017566U
Motivation integral one-piece crankshaft torsional vibration damper assembly ", including belt pulley, vibration isolation rubber circle and inertia ring；The belt pulley and bent axle
It is directly connected to, directly transmits crankshaft torque and connected over pulleys carried by the press fitting of vibration isolation rubber circle to train, inertia ring.Using this
Integral one-piece crankshaft torsional vibration damper assembly assembly can transmit bigger crankshaft torque；Rubber ring can reduce load, can improve rubber
The life-span of cushion rubber；The relative slip tolerance between bent axle and belt pulley can be reduced；After rubber ring failure, torque transmission will not lose
Effect, engine is not in catastrophe failure.But it is not involved with and how solves in existing integral one-piece crankshaft torsional vibration damper assembly
Easily there is the problem of shear fatigue in vibration isolation rubber circle.
The content of the invention
It is an object of the invention to provide a kind of integral one-piece crankshaft torsional vibration damper assembly, and it can be by vibration isolation rubber therein
Enclose the shearing force received and be changed into pressure, extend the service life of vibration isolation rubber circle, the significant twisting vibration for reducing bent axle, improve
The reliability of engine.
A kind of integral one-piece crankshaft torsional vibration damper assemblies of of the present invention, including belt pulley, with bent axle be connected
Wheel hub, it is characterized in that：Also include the vibration isolation rubber circle being located between the inner circle of the belt pulley and the cylindrical of the wheel hub.
Further, the inner circle of the belt pulley is equidistant is provided with the big inverted trapezoidal groove of multiple size identicals, cylindrical is provided with
Belt grooves.
Further, the vibration isolation rubber circle is cylindrical equidistant provided with the big inverted trapezoidal boss of multiple size identicals, inner circle
It is equidistant to be provided with multiple small inverted trapezoidal grooves of size identical, and the number of the big inverted trapezoidal boss and the big inverted trapezoidal
The number of groove is equal.
Further, the wheel hub it is cylindrical it is equidistant be provided with the small inverted trapezoidal boss of multiple size identicals, center be provided with
The hole that bent axle is connected, multiple lightening holes are provided with the edge close to the hole, the number of the small inverted trapezoidal boss with it is described
The number of small inverted trapezoidal groove is equal.
Further, it is multiple big on the cylindrical multiple big inverted trapezoidal boss of the vibration isolation rubber circle and the belt pulley inner circle
Inverted trapezoidal groove is corresponded to coordinate and vulcanize and is integral；Multiple small inverted trapezoidal boss on the wheel hub is cylindrical subtract with described
The multiple small inverted trapezoidal grooves for rubber ring inner circle of shaking are corresponded to coordinate and vulcanize and are integral.
Preferably scheme is：18 size identical big grooves are provided with the inner circle of the belt pulley is equidistant.
Preferably scheme is：The vibration isolation rubber circle it is cylindrical it is equidistant be provided with the big boss of 18 size identicals,
Inner circle is equidistant to be provided with 18 size identical little grooves.
Preferably scheme is：Cylindrical in the wheel hub equidistant is provided with 18 size identical small boss.
The vibration isolation rubber circle of the present invention uses the material with damping behavior to make, and in the cylindrical etc. of vibration isolation rubber circle
Apart from being provided with, the big boss of 18 size identicals, inner circle are equidistant to be provided with 18 size identical little grooves, formation bumps
A pair of 18 big grooves 1 in alternate ring village structure, the cylindrical 18 big boss of vibration isolation rubber circle and belt pulley inner circle
It should coordinate and vulcanize and be integral, 18 small boss on wheel hub is cylindrical and 18 little grooves one of vibration isolation rubber circle inner circle
One corresponding matching and vulcanization be integral.
Twisting vibration is evenly dispersed on each small inverted trapezoidal boss on wheel hub by the present invention, and small inverted trapezoidal boss squeezes
Press vibration isolation rubber circle, therefore in the present invention vibration isolation rubber circle be subject to be no longer shearing force but pressure, make vibration isolation rubber circle not
Easily there is fatigue rupture, come off, extending the service life of vibration isolation rubber circle, significantly reduce the twisting vibration of bent axle,
And then improve the reliability of engine.
The present invention is by extruding the form of vibration isolation rubber circle come damping vibration, and such a mode is by existing shearing vibration isolation rubber
The mode of circle is changed into compression, the transformation of vibration isolation rubber circle force way, can not only greatly improve vibration isolation rubber circle
Fatigue life, but also can significantly reduce the twisting vibration of bent axle.
Brief description of the drawings：
Fig. 1 the structural representation of present invention；
Fig. 2 is the structural representation of belt pulley；
Fig. 3 is the structural representation of vibration isolation rubber circle；
Fig. 4 is the structural representation of wheel hub.
In figure：1-belt pulley, 2-vibration isolation rubber circle, 3-wheel hub, 4-big inverted trapezoidal groove, 5-big inverted trapezoidal boss,
6-small inverted trapezoidal groove, 7-small inverted trapezoidal boss.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
A kind of integral one-piece crankshaft torsional vibration damper assembly shown in Figure 1, including belt pulley 1 and bent axle are connected
Wheel hub 3, it is characterized in that：Also include the vibration isolation rubber circle being located between the inner circle of the belt pulley 1 and the cylindrical of the wheel hub 3
2。
Referring to Fig. 2, the inner circle of the belt pulley 1 is equidistant to be provided with the big inverted trapezoidal groove 4 of multiple size identicals, cylindrical sets
There are belt grooves.
Referring to Fig. 3, the cylindrical of the vibration isolation rubber circle 2 equidistant is provided with the big inverted trapezoidal boss 5 of multiple size identicals, interior
Circle is equidistant to be provided with the small inverted trapezoidal groove 6 of multiple size identicals, and the number of the big inverted trapezoidal boss 5 is fallen greatly with described
The number of trapezoidal groove 4 is equal；
Referring to Fig. 4, the wheel hub 3 it is cylindrical it is equidistant be provided with the small inverted trapezoidal boss 7 of multiple size identicals, center be provided with and song
The hole that axle is connected, multiple lightening holes are provided with the edge close to the hole, the number of the small inverted trapezoidal boss 7 with it is described small
The number of inverted trapezoidal groove 6 is equal.
The cylindrical multiple big inverted trapezoidal boss 5 of the vibration isolation rubber circle 2 and multiple big ladders in the inner circle of belt pulley 1
Connected in star 4 is corresponded and is interference fitted；Multiple small inverted trapezoidal boss 7 and the vibration isolation rubber circle 2 on the wheel hub 3 is cylindrical
Multiple small inverted trapezoidal grooves 6 of inner circle, which are corresponded and vulcanized, to be integral.
Preferable scheme is, in the inner circle of the belt pulley 1, equidistant to be provided with 18 big inverted trapezoidals of size identical recessed
Groove 4.
Preferable scheme is, cylindrical in the vibration isolation rubber circle 2 equidistant be provided with 18 size identicals and fall ladder greatly
Shape boss 5, inner circle are equidistant to be provided with the small inverted trapezoidal groove 6 of 18 size identicals.
Preferable scheme is, cylindrical in the wheel hub 3 equidistant is provided with the small inverted trapezoidal boss of 18 size identicals
7。
Although the present invention is only illustrated so that number is 18 inverted trapezoidal boss and inverted trapezoidal groove as an example, however,
Other two and above quantity（Such as three, four, six, eight or 12）Inverted trapezoidal boss be also with inverted trapezoidal groove
Feasible, the core texture with the present invention is identical.
When engine work, bent axle twist vibration, it is total that twisting vibration is delivered to integral one-piece crankshaft torsional vibration damper
Twisting vibration is produced into, wheel hub, the small inverted trapezoidal boss extruding vibration isolation rubber circle on wheel hub, vibration isolation rubber circle is produced deformation,
The energy of twisting vibration is converted into heat energy, so as to weaken twisting vibration.
Claims (8)
1. a kind of integral one-piece crankshaft torsional vibration damper assembly, including belt pulley（1）And the wheel hub that bent axle is connected（3）, it is special
Sign is：Also include being located at the belt pulley（1）Inner circle and the wheel hub（3）It is cylindrical between vibration isolation rubber circle（2）.
2. integral one-piece crankshaft torsional vibration damper assembly according to claim 1, it is characterized in that：The belt pulley（1）It is interior
Circle is equidistant to be provided with multiple big inverted trapezoidal grooves of size identical（4）, cylindrical be provided with belt grooves.
3. the integral one-piece crankshaft torsional vibration damper assembly according to claim 1 and 2, it is characterized in that：The vibration isolation rubber circle
（2）Cylindrical equidistant be provided with the big inverted trapezoidal boss of multiple size identicals（5）, inner circle is equidistant is provided with multiple size identicals
Small inverted trapezoidal groove（6）, and the big inverted trapezoidal boss（5）Number and the big inverted trapezoidal groove（4）Number it is equal.
4. integral one-piece crankshaft torsional vibration damper assembly according to claim 3, it is characterized in that：The wheel hub（3）It is cylindrical
It is equidistant to be provided with the small inverted trapezoidal boss of multiple size identicals（7）, center be provided with the hole being connected with bent axle, close to the hole
Edge be provided with multiple lightening holes, the small inverted trapezoidal boss（7）Number and the small inverted trapezoidal groove（6）Number phase
Deng.
5. integral one-piece crankshaft torsional vibration damper assembly according to claim 4, it is characterized in that：The vibration isolation rubber circle（2）
Cylindrical multiple big inverted trapezoidal boss（5）With the belt pulley（1）Multiple big inverted trapezoidal grooves in inner circle（4）One-to-one corresponding is matched somebody with somebody
Close and vulcanization is integral；The wheel hub（3）Multiple small inverted trapezoidal boss on cylindrical（7）With the vibration isolation rubber circle（2）It is interior
Round multiple small inverted trapezoidal grooves（6）Correspond to coordinate and vulcanize and be integral.
6. integral one-piece crankshaft torsional vibration damper assembly according to claim 2, it is characterized in that：In the belt pulley（1）'s
Inner circle is equidistant to be provided with 18 big inverted trapezoidal grooves of size identical（4）.
7. integral one-piece crankshaft torsional vibration damper assembly according to claim 3, it is characterized in that：In the vibration isolation rubber circle
（2）It is cylindrical it is equidistant be provided with and the big inverted trapezoidal boss of big inverted trapezoidal groove number identical（5）, inner circle it is equidistant be provided with it is big
The small inverted trapezoidal groove of inverted trapezoidal groove number identical（6）.
8. integral one-piece crankshaft torsional vibration damper assembly according to claim 4, it is characterized in that：In the wheel hub（3）It is outer
Circle is equidistant to be provided with and the small inverted trapezoidal boss of big inverted trapezoidal groove number identical（7）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711004031.4A CN107763138A (en) | 2017-10-24 | 2017-10-24 | A kind of integral one-piece crankshaft torsional vibration damper assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711004031.4A CN107763138A (en) | 2017-10-24 | 2017-10-24 | A kind of integral one-piece crankshaft torsional vibration damper assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107763138A true CN107763138A (en) | 2018-03-06 |
Family
ID=61271197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711004031.4A Pending CN107763138A (en) | 2017-10-24 | 2017-10-24 | A kind of integral one-piece crankshaft torsional vibration damper assembly |
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|---|---|
| CN (1) | CN107763138A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020057385A1 (en) * | 2018-09-20 | 2020-03-26 | 台州赫兹电气有限公司 | Electromagnetic power-off brake |
| WO2021189636A1 (en) * | 2020-03-23 | 2021-09-30 | 北京理工大学 | Steel belt transmission mechanism and belt wheels thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005201433A (en) * | 2003-12-15 | 2005-07-28 | Sanden Corp | Power transmission device |
| CN201273357Y (en) * | 2008-07-08 | 2009-07-15 | 奇瑞汽车股份有限公司 | Novel crankshaft torsion vibration absorber of car engine |
| JP2015169324A (en) * | 2014-03-11 | 2015-09-28 | Nok株式会社 | power transmission coupling |
| CN206017566U (en) * | 2016-08-31 | 2017-03-15 | 重庆长安汽车股份有限公司 | A kind of engine crankshaft twist vibration damper assembly and automobile |
-
2017
- 2017-10-24 CN CN201711004031.4A patent/CN107763138A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005201433A (en) * | 2003-12-15 | 2005-07-28 | Sanden Corp | Power transmission device |
| CN201273357Y (en) * | 2008-07-08 | 2009-07-15 | 奇瑞汽车股份有限公司 | Novel crankshaft torsion vibration absorber of car engine |
| JP2015169324A (en) * | 2014-03-11 | 2015-09-28 | Nok株式会社 | power transmission coupling |
| CN206017566U (en) * | 2016-08-31 | 2017-03-15 | 重庆长安汽车股份有限公司 | A kind of engine crankshaft twist vibration damper assembly and automobile |
Non-Patent Citations (1)
| Title |
|---|
| 蔡伟维: "《宝来轿车故障检修图解》", 28 February 2005, 四川科学技术出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020057385A1 (en) * | 2018-09-20 | 2020-03-26 | 台州赫兹电气有限公司 | Electromagnetic power-off brake |
| WO2021189636A1 (en) * | 2020-03-23 | 2021-09-30 | 北京理工大学 | Steel belt transmission mechanism and belt wheels thereof |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180306 |