CN208232817U - Automobile drive axle damper - Google Patents
Automobile drive axle damper Download PDFInfo
- Publication number
- CN208232817U CN208232817U CN201820616116.1U CN201820616116U CN208232817U CN 208232817 U CN208232817 U CN 208232817U CN 201820616116 U CN201820616116 U CN 201820616116U CN 208232817 U CN208232817 U CN 208232817U
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- China
- Prior art keywords
- inertial mass
- energy storage
- elastic energy
- connecting portion
- storage body
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- 238000004146 energy storage Methods 0.000 claims abstract description 30
- 230000004308 accommodation Effects 0.000 claims description 26
- 229920001971 elastomer Polymers 0.000 description 9
- 239000000463 material Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001535 kindling effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000010058 rubber compounding Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Landscapes
- Vibration Prevention Devices (AREA)
- Motor Power Transmission Devices (AREA)
Abstract
The utility model discloses a kind of Automobile drive axle dampers, including the inertial mass that there is elastic energy storage body that is elastic and being used to be sheathed in drive shaft and be set to inside elastic energy storage body, inertial mass setting is multiple and all inertial mass be inside elastic energy storage body it is circumferentially distributed, the quantity and/or circumferential position of inertial mass are adjustable.The Automobile drive axle damper of the utility model, it is matched by setting elastic energy storage body and inertial mass, and by the quantity of increase and decrease inertial mass, the adjustment of damper quality and frequency can be fast implemented, achieve the purpose that improve working efficiency and reduces cost.
Description
Technical field
The utility model belongs to automobile technical field, specifically, the utility model relates to a kind of automobile driving axle vibration dampings
Device.
Background technique
Preposition precursor vehicle power train is made of components such as engine, clutch, gearbox, differential mechanism, semiaxis, wheels,
It is a complicated Mdof Vibration System, when the dynamic excitations such as engine acting frequency is consistent with power train intrinsic frequency
When, it will resonate, generation system NVH problem influences the riding comfort of vehicle.It therefore, will in the automobile research stage
NVH adjustment is carried out to transmission system, the key parameters such as quality, the frequency of matching driving axle damper reach abatement transmission
System resonance amplitude inhibits the effect of system NVH.Since the inertial mass of conventional ADS driving axle damper is one whole and whole
Body in elastic rubber, can only finely tune its quality and frequency, therefore, adjustment by vulcanization by adjusting rubber compounding
The damper for needing to frequently replace different quality and/or frequency in the process is verified, and common damper not only replaces trouble, and
And need to reopen mold, higher cost.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model mentions
For a kind of Automobile drive axle damper, it is therefore an objective to realize the quick adjustment of damper quality and frequency, improve working efficiency.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the utility model is Automobile drive axle damper, packet
It includes with elasticity and the elastic energy storage body for being used to be sheathed in drive shaft and the inertial mass being set to inside elastic energy storage body,
It is circumferentially distributed, the number of inertial mass inside elastic energy storage body that multiple and all inertial mass, which are arranged, in inertial mass
Amount and/or circumferential position are adjustable.
The elastic energy storage body has the accommodation groove for accommodating the inertial mass, and accommodation groove is open slot.
It is to be uniformly distributed circumferentially that multiple and all accommodation grooves, which are arranged, in the accommodation groove, each inertial mass insertion
In one accommodation groove, the quantity of inertial mass is not more than the quantity of accommodation groove.
The elastic energy storage body is fixed in the drive shaft by clip, and elastic energy storage body includes setting gradually along axial direction
First connecting portion, mounting portion and second connecting portion, the inertial mass is set to the inside of mounting portion, first connecting portion and
Second connecting portion has the card slot for allowing clip to be embedded in.
The overall diameter of the mounting portion is greater than the overall diameter of the first connecting portion and the second connecting portion.
The Automobile drive axle damper of the utility model is matched by setting elastic energy storage body and inertial mass, and
By increasing and decreasing the quantity of inertial mass, the adjustment of damper quality and frequency can be fast implemented, raising working efficiency is reached
And reduce the purpose of cost.
Detailed description of the invention
Fig. 1 is the main view of the utility model Automobile drive axle damper；
Fig. 2 is A-A cross-sectional view in Fig. 1；
Fig. 3 is the decomposition diagram of the utility model Automobile drive axle damper；
Label in above-mentioned figure is equal are as follows: 1, drive shaft；2, elastic energy storage body；201, first connecting portion；202, the second connection
Portion；203, mounting portion；204, accommodation groove；205, card slot；3, inertial mass.
Specific embodiment
Below against attached drawing, by the description of the embodiment, making to specific embodiment of the present utility model further detailed
Thin explanation, it is therefore an objective to help those skilled in the art to the design of the utility model, technical solution have it is more complete, accurate and
Deep understanding, and facilitate its implementation.
As shown in Figure 1 to Figure 3, the utility model provides a kind of Automobile drive axle damper, including has elasticity and use
In the elastic energy storage body 2 being sheathed in drive shaft and the inertial mass 3 being set to inside elastic energy storage body 2.
Specifically, as shown in Figure 1 to Figure 3, elastic energy storage body 2 has certain elasticity, elastic energy storage body 2 is opened for both ends
The cirque structure of mouth and inner hollow, the drive shaft of car transmissions are passed through from elastic energy storage body 2, and drive shaft is used for will
The power that engine generates is transferred to wheel.Inertial mass 3 is fixed at the inside of elastic energy storage body 2, inertial mass 3
For the metal block of strip.
Preferably, elastic energy storage body 2 is made of rubber material, effectiveness in vibration suppression is more preferable, and rubber material elasticity is big, draws
Intensity height is stretched, tear resistance, wearability, ageing-resistant and heat resistance are good, and have excellent antioxygen, ozone resistants, and it is nonflammable,
The features such as energy self-extinguishment after kindling, oil resistant, solvent resistant, acid and alkali-resistance, the application of automobile chassis complex environment is adapted to, use environment temperature can
Within the scope of -50 DEG C~+100 DEG C.The rubber material of use can be single rubber, as natural rubber, neoprene, fourth are stupid
Rubber etc., rubber material are also possible to the composite material of a variety of rubber.By adjusting the formula of rubber material, vibration damping may be implemented
The fine tuning of the quality and frequency of device.
Preferably, inertial mass 3 is made of metal material, such as No. 20 steel.
Preferably, it is edge that multiple and all inertial mass 3, which are arranged, inside elastic energy storage body 2 in inertial mass 3
Circumferentially distributed, the quantity and/or circumferential position of inertial mass 3 are adjustable, and all inertial mass 3 are distributed in the outer of drive shaft
Side surrounding.By adjusting the circumferential position of the total quantity and/or each inertial mass 3 of inertial mass 3 on elastic energy storage body 2
It sets, the quality and the adjustable purpose of frequency, this regulative mode that can reach Automobile drive axle damper can reduce more molds
Caused increased costs, to provide a kind of unitized driving axle damper when vehicle volume production, can also reduce the exploitation of vehicle at
This, to realize the quick adjustment of damper quality and frequency, achieve the purpose that improve working efficiency and reduce cost.
As shown in Figure 1 to Figure 3, elastic energy storage body 2 has the accommodation groove 204 for accommodating inertial mass 3, and accommodation groove 204 is
Open slot facilitates the quality and frequency of adjustment damper to facilitate the insertion and extraction of inertial mass 3.Accommodation groove 204 is arranged
Multiple and all accommodation grooves 204 are to be uniformly distributed circumferentially, and each inertial mass 3 is inserted into an accommodation groove 204, inertia matter
The quantity of gauge block 3 is not more than the quantity of accommodation groove 204.When being inserted into an inertial mass 3 in each accommodation groove 204, this
When elastic energy storage body 2 in the inertial mass 3 that is arranged be in most states, all inertial mass 3 are circumferentially uniformly point
Cloth.After the quantity of inertial mass 3 is reduced, the adjusting of damper quality and frequency may be implemented.Inertial mass 3 is rectangle
Block structure, accommodation groove 204 are rectangular channel, and the shape of inertial mass 3 and the shape of accommodation groove 204 match, inertia mass
Block 3 fills accommodation groove 204, and inertial mass 3 is not easy to fall off after being inserted into accommodation groove 204.
As shown in Figure 1 to Figure 3, elastic energy storage body 2 is fixed on the driving shaft by clip, and elastic energy storage body 2 includes along axis
To first connecting portion 201, mounting portion 203 and the second connecting portion 202 set gradually, inertial mass 3 is set to mounting portion 203
Inside, first connecting portion 201 and second connecting portion 202 have the card slot 205 for allowing clip to be embedded in.First connecting portion 201, installation
Portion 203 and second connecting portion 202 are cirque structure and first connecting portion 201, mounting portion 203 and second connecting portion 202 are
Coaxial arrangement, the overall diameter of mounting portion 203 are greater than the overall diameter of first connecting portion 201 and second connecting portion 202, i.e. mounting portion
203 sidewall thickness is greater than the sidewall thickness of first connecting portion 201 and second connecting portion 202, first connecting portion 201 and mounting portion
203 one end is fixedly connected and first connecting portion 201 is stretched out towards the side of mounting portion 203, second connecting portion 202 and mounting portion
203 other end is fixedly connected and second connecting portion 202 is stretched out towards the other side of mounting portion 203.Card slot 205 is to connect first
Along the annular groove entirely circumferentially extended, first connecting portion 201 and second on the periphery of socket part 201 and second connecting portion 202
Interconnecting piece 202 is sheathed in drive shaft, installs a clip in first connecting portion 201 and second connecting portion 202 respectively, and clip is embedding
Enter in card slot 205, avoid falling off, improve damper and drives the reliability of axis connection.
As shown in Figure 1 to Figure 3, accommodation groove 204 is the axis in the circular ring shape interior of mounting portion 203 along mounting portion 203
To the through slot through setting, i.e. accommodation groove 204 is respectively formed an opening on two opposite end faces of mounting portion 203, with
Facilitate the insertion and extraction of inertial mass 3.First connecting portion 201 is identical with the length scale of second connecting portion 202, mounting portion
203 length is greater than the length of first connecting portion 201 and second connecting portion 202, the length and mounting portion 203 of inertial mass 3
Length scale it is identical.
The utility model is exemplarily described above in conjunction with attached drawing, it is clear that the utility model specific implementation not by
The limitation of aforesaid way, as long as the various unsubstantialities carried out using the method concept and technical solution of the utility model change
Into, or it is not improved the conception and technical scheme of the utility model are directly applied into other occasions, in the utility model
Protection scope within.
Claims (5)
1. Automobile drive axle damper, it is characterised in that: the elastic energy storage including having elasticity and for being sheathed in drive shaft
Multiple and all inertial mass are arranged in elasticity in body and the inertial mass being set to inside elastic energy storage body, inertial mass
Be inside storage bodies it is circumferentially distributed, the quantity and/or circumferential position of inertial mass are adjustable.
2. Automobile drive axle damper according to claim 1, it is characterised in that: the elastic energy storage body, which has, accommodates institute
The accommodation groove of inertial mass is stated, accommodation groove is open slot.
3. Automobile drive axle damper according to claim 2, it is characterised in that: the accommodation groove setting is multiple and all
Accommodation groove is to be uniformly distributed circumferentially, and each inertial mass is inserted into an accommodation groove, and the quantity of inertial mass is not
More than the quantity of accommodation groove.
4. Automobile drive axle damper according to any one of claims 1 to 3, it is characterised in that: the elastic energy storage body is logical
It crosses clip to be fixed in the drive shaft, elastic energy storage body includes the first connecting portion set gradually along axial direction, mounting portion and
Two interconnecting pieces, the inertial mass are set to the inside of mounting portion, and first connecting portion and second connecting portion, which have, makes clip embedding
The card slot entered.
5. Automobile drive axle damper according to claim 4, it is characterised in that: the overall diameter of the mounting portion is greater than institute
State the overall diameter of first connecting portion and the second connecting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820616116.1U CN208232817U (en) | 2018-04-27 | 2018-04-27 | Automobile drive axle damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820616116.1U CN208232817U (en) | 2018-04-27 | 2018-04-27 | Automobile drive axle damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208232817U true CN208232817U (en) | 2018-12-14 |
Family
ID=64584617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820616116.1U Active CN208232817U (en) | 2018-04-27 | 2018-04-27 | Automobile drive axle damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208232817U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110805650A (en) * | 2019-11-27 | 2020-02-18 | 安徽江淮汽车集团股份有限公司 | Transmission shaft vibration absorber structure and transmission shaft assembly |
| CN113483054A (en) * | 2021-06-30 | 2021-10-08 | 东风汽车集团股份有限公司 | Vibration damping block, driving shaft assembly and assembling method thereof |
-
2018
- 2018-04-27 CN CN201820616116.1U patent/CN208232817U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110805650A (en) * | 2019-11-27 | 2020-02-18 | 安徽江淮汽车集团股份有限公司 | Transmission shaft vibration absorber structure and transmission shaft assembly |
| CN113483054A (en) * | 2021-06-30 | 2021-10-08 | 东风汽车集团股份有限公司 | Vibration damping block, driving shaft assembly and assembling method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |