CN206419403U - A kind of double frequency composite power bump leveller for automotive transmission - Google Patents
A kind of double frequency composite power bump leveller for automotive transmission Download PDFInfo
- Publication number
- CN206419403U CN206419403U CN201621451255.0U CN201621451255U CN206419403U CN 206419403 U CN206419403 U CN 206419403U CN 201621451255 U CN201621451255 U CN 201621451255U CN 206419403 U CN206419403 U CN 206419403U
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- mass
- mounting flange
- cydariform
- annular
- rubber
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Abstract
The utility model provides a kind of double frequency composite power bump leveller for automotive transmission, the second mass including tubular, it is arranged on the mounting flange in the second mass inner circle, the outer end edges of second mass, which extend internally, is provided with annular stop boss, the spacing rubber of the sealed tubular in one end is provided between the end face and positive stop lug boss of the mounting flange, the openend of described spacing rubber vulcanizes annular first block rubber being integrated towards being provided with mounting flange and endoporus with adpting flange side surface, parcel is provided with the first mass of annular in first block rubber, press-in is provided with annular second block rubber between the inner ring surface of second mass and the mounting flange outer circumference surface.The utility model can solve the problem that power train reverses the resonant frequency problem with mode of flexural vibration, can both limit the significantly displacement of mass, and can improve again the fatigue life of product, simple in construction, easy to process, safe and reliable, it is easy to popularization and application.
Description
Technical field
The utility model belongs to dynamic vibration absorber field, more particularly, to a kind of double frequency bending for car transmissions
Composite power shock absorber.
Background technology
With the fast development of domestic automobile industry, people gradually step up to the attention rate of passenger car comfortableness, to vehicle
NVH（Noise, Vibration and Harshness, i.e. noise, vibration and injustice are pliable）The requirement more and more higher of performance.Multiply
With car in the case where pursuing comfortableness and handling trend, frequently with front-engine rear-drive or the drive arrangement mode of four-wheel drive.Due to
The presence of power transmission shaft, easily causes twisting vibration under the excitation of engine, while easily evoke the mode of flexural vibration of power train
Low-frequency vibration, so as to cause the noise that thunders in the resonance initiation vehicle ride room of vehicle body and miscellaneous part, has had a strong impact on and has multiplied
Sit comfortableness.
Type of drive be the vehicle of front-engine rear-drive or four-wheel drive in the process of moving, more in rotating speed 1000-2000rpm models
Evoke the torsional resonance mode and flexural vibration mode of power train, comfortableness and transmission of this compound vibration to vehicle in enclosing
The service life of based part brings serious adverse effect.In the case where not changing power train part, inhaled by setting up power
Shake device, the problem of largely can solving or reduce vehicle drive line vibrations noise.
In order to solve on the vibration of torsion mode, domestic market using more as single-frequency torsional vibration damper, i.e., only
There is an intrinsic frequency, the vibration noise of the torsion mode of some frequency range of power transmission shaft can only be solved.It is curved in order to solve power train
The vibration of bent mode, relatively conventional is the dynamic vibration absorber of power transmission shaft cluster or the dynamic absorber being assemblied in transmission shafts
Device, can only equally solve the flexural vibrations of single frequency range.Resonance to solve power train torsional direction and bending direction simultaneously
Mode, then need to assemble the dynamic vibration absorber of different directions, considerably increase development time and the cost of dynamic vibration absorber.And
Currently a popular torsional vibration damper majority is not provided with axial limiting, anti-loosening protector, has had a strong impact on the tired of torsional vibration damper
Labor life-span and the safety of vehicle drive system, cause vulcanization rubber tear, or even mass to depart from, destruction is passed under limiting condition
Dynamic system and chassis part, jeopardize traffic safety.
Utility model content
The purpose of this utility model is to solve that above prior art is present that not enough there is provided one kind is simple in construction, processing
Convenient, the safe and reliable bending combined type double frequency dynamic vibration absorber for car transmissions.
To solve above-mentioned technical problem, the technical solution adopted in the utility model is：
A kind of double frequency composite power bump leveller for automotive transmission, including tubular the second mass, be arranged on
Mounting flange in the second mass inner circle, the outer end edges of second mass, which extend internally, is provided with annular limit
Position boss, is provided with the spacing rubber of the sealed tubular in one end between the end face and positive stop lug boss of the mounting flange, described
The openend of spacing rubber vulcanizes what is be integrated towards being provided with mounting flange and endoporus with the adpting flange side surface
Parcel is provided with the first mass of annular in annular first block rubber, first block rubber, described the second mass
Press-in, which is provided with, between inner ring surface and the mounting flange outer circumference surface is fitted close the second mass and mounting flange
Annular second block rubber.
Further, the mounting flange outer circumference surface is circumferentially arranged has cydariform raised.
Further, the cydariform projection is triangle cydariform, and it is shaped as the triangle that drift angle is in arc transition.
Further, the cydariform projection is SPL cydariform, its shape SPL shape.
Further, the second described mass inner ring surface is provided with and the raised consistent cydariform groove of cydariform.
Further, the adpting flange side surface is provided with provided with the mesopore matched somebody with somebody with drive shaft cartridge and some circumferentially equal
The pilot hole of even distribution.
Compared with prior art, the bending combined type double frequency dynamic vibration absorber of the utility model car transmissions has following
Advantage：
1. the problem of can solve the problem that two different directions power train resonant frequencies, has both the power of two kinds of different action directions
Bump leveller vibration-damping function.
2. product structure is spacing compact, spacing place has vulcanization rubber to buffer, and can both limit mass and not have significantly
Displacement, it is to avoid abnormal sound occurs during collision, can ensure that the life-span of product will not premature failure well again.
3. the mass and ring flange of torsional direction use the press-in rubber compounding mode of drum organization, this portion is eliminated
The work flow of the vulcanization of rubber divided, simplifies processing technology, is easy to being integrally formed for dynamic vibration absorber.
4. two masses are provided with anti-loosening protector, the security reliability of product is improved, it is easy to by adjusting rubber
The formula of glue material and the weight for controlling mass, to adjust the intrinsic frequency of double frequency dynamic vibration absorber.
5. product structure is simple, processing and convenient disassembly, the vehicle that can apply to various front-engine rear-drives or four-wheel drive is passed
Dynamic system.
Brief description of the drawings
Fig. 1 is the utility model overall structure front view；
Fig. 2 is A-A cross-sectional views in Fig. 1；
Fig. 3 is the triangle cydariform pattern schematic diagram of the utility model embodiment；
Fig. 4 is the mounting flange schematic diagram of the triangle drum organization of the utility model embodiment；
Fig. 5 is the SPL cydariform pattern schematic diagram of the utility model embodiment；
Fig. 6 is the mounting flange schematic diagram of the SPL drum organization of the utility model embodiment；
Fig. 7 is the overall structure exploded perspective view of the utility model embodiment；
Label and title are as follows in figure：
1- mounting flanges；11- cydariforms are raised；12- pilot holes；13- mesopores；The block rubbers of 2- first；The spacing rubber of 21-；
The masses of 3- first；The block rubbers of 4- second；The masses of 5- second；51- positive stop lug boss；52- cydariform grooves.
Embodiment
For convenience of it will be appreciated by those skilled in the art that below in conjunction with the accompanying drawings and embodiment makees further to the utility model
Describe in detail.
As shown in Figure 1, Figure 2 and shown in Fig. 7, a kind of double frequency composite power bump leveller for automotive transmission, including tubular
The second mass 5, the mounting flange 1 that is arranged in the inner circle of the second mass 5, the outer end edges of second mass
Edge, which extends internally, is provided with annular stop boss 51, and one is provided between the end face and positive stop lug boss 51 of the mounting flange 1
Hold the spacing rubber 21 of sealed tubular, the openend of described spacing rubber 21 is towards being provided with mounting flange 1 and endoporus
Vulcanize parcel in annular first block rubber 2 being integrated, first block rubber 2 with the end face of mounting flange 1 to be provided with
First mass 3 of annular, is pressed between the inner ring surface and the outer circumference surface of the mounting flange 1 of described the second mass 5
Being provided with makes the second mass 5 and close-fitting annular second block rubber 4 of mounting flange 1, utilizes the flexible spy of rubber
Property and using press-in by the way of be fitted close the second mass 5 and mounting flange 1.
In the present embodiment, described the first mass 3 and the second mass 5 is non-interference relative to mounting flange 1, solely
Vertical arrangement；The first described block rubber 2 and block rubber 4 are non-interference relative to mounting flange 1, independent arrangement.
The outer surface of first mass 3 is provided with spacing rubber 21, is integrated with the vulcanization of the packaging type of the first block rubber 2, and and method
The blue fitting plane of disk 1 vulcanization is integrated, and spacing rubber 21 can alleviate limit collision axially and radially, play axially and radially
Position-limiting action.The design of first mass 3 and the first block rubber 2 is mainly for solving or alleviate shaking for power train mode of flexural vibration
It is dynamic.
The inner ring surface of second mass 5 is provided with cydariform groove 52, the contact area with the second block rubber 4 is increased, in outside
Annular boss 51 is provided with edge, the axial limiting effect to the first mass 3 is played, while can play prevents the first block rubber 2
The effect for preventing the first mass 3 from coming off when limiting condition is torn.Second mass 5 is by the side of press-in of the second block rubber 4
Formula is fitted close itself and ring flange 1.The design of second mass 5 and the second block rubber 4 is mainly for solving or alleviate transmission
It is the vibration of torsion mode.
The excircle of mounting flange 1 is provided with cydariform projection 11, the contact area of the second block rubber 4 is added, while cydariform
The significantly changing of the relative positions for being designed to prevent the axial direction of the second mass 5 of structure and reinforcement the second mass 5 of protection are difficult for drop-off.
As shown in Figure 3 and Figure 4, in a feasible embodiment of the present utility model, the cydariform projection 11 is triangle
Shape cydariform, it is shaped as the triangle that drift angle is in arc transition.
As shown in Figure 5 and Figure 6, the cydariform projection 11 is SPL cydariform, its shape SPL shape.
Two kinds of different rubber drum organizations, have different pressing-in forces, extrusion pressure and overrun torque in practical set,
The structure that can select cydariform raised according to the actual requirements.
The end face of mounting flange 1 is provided with provided with the mesopore 13 matched somebody with somebody with drive shaft cartridge and some is uniformly distributed circumferentially
Pilot hole 12, can be fitted close with shaft universal-joint end by bolt.
Above-described embodiment is by adjusting the first block rubber 2, the rubber compounding of the second block rubber 4 can change the rigidity of rubber
And damping, and the first mass 3 of combination regulation, the quality of the second mass 5 can realize the excellent of dynamic vibration absorber intrinsic frequency
Change, so as to match transmission system to be solved or the torsion alleviated and flexural resonance frequency.
Above-described embodiment of the present utility model is only intended to clearly illustrate the utility model example, and is not
Restriction to embodiment of the present utility model.For those of ordinary skill in the field, on the basis of described above
On can also make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.
All any modifications, equivalent substitutions and improvements made within spirit of the present utility model and principle etc., should be included in this reality
Within new scope of the claims.
Claims (6)
1. a kind of double frequency composite power bump leveller for automotive transmission, it is characterised in that：The second mass including tubular
Block（5）, be arranged on second mass（5）Mounting flange in inner circle（1）, second mass（5）Outer end edges
Edge, which extends internally, is provided with annular stop boss（51）, the mounting flange（1）End face and positive stop lug boss（51）Between set
It is equipped with the spacing rubber of the sealed tubular in one end（21）, described spacing rubber（21）Openend towards mounting flange（1）And
It is provided with endoporus and the mounting flange（1）Annular first block rubber that end face vulcanization is integrated（2）, first rubber
Block（2）Interior parcel is provided with the first mass of annular（3）, described the second mass（5）Inner ring surface and the connection method
Blue disk（1）Press-in, which is provided with, between outer circumference surface makes the second mass（5）And mounting flange（1）Close-fitting annular second
Block rubber（4）.
2. the double frequency composite power bump leveller according to claim 1 for automotive transmission, it is characterised in that：It is described
Mounting flange（1）Outer circumference surface is circumferentially arranged to have cydariform raised（11）.
3. the double frequency composite power bump leveller according to claim 2 for automotive transmission, it is characterised in that：It is described
Cydariform is raised（11）For triangle cydariform, it is shaped as the triangle that drift angle is in arc transition.
4. the double frequency composite power bump leveller according to claim 2 for automotive transmission, it is characterised in that：It is described
Cydariform is raised（11）For SPL cydariform, its shape SPL shape.
5. the double frequency composite power bump leveller for automotive transmission according to claim 2,3 or 4, its feature exists
In：The second described mass（5）Inner ring surface is provided with raised with cydariform（11）Consistent cydariform groove（52）.
6. the double frequency composite power bump leveller according to claim 1 for automotive transmission, it is characterised in that：It is described
Mounting flange（1）End face is provided with provided with the mesopore matched somebody with somebody with drive shaft cartridge（13）With some pilot holes being uniformly distributed circumferentially
（12）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621451255.0U CN206419403U (en) | 2016-12-28 | 2016-12-28 | A kind of double frequency composite power bump leveller for automotive transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621451255.0U CN206419403U (en) | 2016-12-28 | 2016-12-28 | A kind of double frequency composite power bump leveller for automotive transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206419403U true CN206419403U (en) | 2017-08-18 |
Family
ID=59576919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621451255.0U Expired - Fee Related CN206419403U (en) | 2016-12-28 | 2016-12-28 | A kind of double frequency composite power bump leveller for automotive transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206419403U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763409A (en) * | 2016-12-28 | 2017-05-31 | 华南理工大学 | A kind of double frequency composite power bump leveller for automotive transmission |
-
2016
- 2016-12-28 CN CN201621451255.0U patent/CN206419403U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763409A (en) * | 2016-12-28 | 2017-05-31 | 华南理工大学 | A kind of double frequency composite power bump leveller for automotive transmission |
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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: 20170818 Termination date: 20191228 |