CN205605629U - Drive shaft and drive shaft dynamic vibration absorber - Google Patents
Drive shaft and drive shaft dynamic vibration absorber Download PDFInfo
- Publication number
- CN205605629U CN205605629U CN201620302975.4U CN201620302975U CN205605629U CN 205605629 U CN205605629 U CN 205605629U CN 201620302975 U CN201620302975 U CN 201620302975U CN 205605629 U CN205605629 U CN 205605629U
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- drive shaft
- vibration absorber
- dynamic vibration
- rubber ring
- main body
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Abstract
The utility model discloses a drive shaft and drive shaft dynamic vibration absorber. Wherein, drive shaft dynamic vibration absorber for install in the drive shaft, including the main part, and with the bulk phase matches and the removable counter weight body. Through adopting main part and different counter weight body coupling combinations, form multiple different natural frequency's drive shaft dynamic vibration absorber to can satisfy the needs of different motorcycle types, save the time on the one hand, on the other hand has reduced design and manufacturing cost's waste. The utility model discloses a drive shaft of drive shaft for having above -mentioned drive shaft dynamic vibration absorber.
Description
Technical field
This utility model relates to technical field of automobile parts, more particularly, it relates to one is driven
Moving axis and drive shaft dynamic vibration absorber.
Background technology
Development and the raising of living standard, the comfortableness that automobile is taken along with science and technology
Problem causes the attention of people day by day, resolves NVH (Noise, Vibration, Harshness
Noise, vibration and sound vibration roughness) problem is to improve the key factor of vehicle ride comfort.
Power drive system is Main Noise Sources and the driving source of car load, the flexural resonance of drive shaft
Phenomenon is exactly one of them typical problem, and installing dynamic vibration absorber on the driving shaft is then regulation and control
The Main Means of bent propeller shat resonance.The design principle of dynamic vibration absorber is:
Wherein, f is the frequency of vibration that object is intrinsic, and k is rigidity, and m is quality.By to dynamically inhaling
The change of device quality of shaking can obtain different natural frequencies, but existing drive shaft is dynamically inhaled
The device that shakes is generally integral structure, and quality is fixed, and frequency of vibration is not available for regulation, therefore same
One drive shaft dynamic vibration absorber can only be in same vehicle enterprising enforcement use, as carried out vehicle more
Change, it is necessary to redesign, die sinking etc., therefore can cause the waste of time and production cost.
The most how to design a kind of natural frequency adjustable drive shaft dynamic vibration absorber, reduce the time
With the waste of production cost, it is that those skilled in the art need badly and solve the technical problem that.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of drive shaft dynamic vibration absorber,
Intrinsic frequency of vibration can be adjusted, reduce time and the waste of production cost.
Another object of the present utility model also resides in offer one to be had above-mentioned drive shaft and dynamically inhales
Shake the drive shaft of device.
For achieving the above object, the following technical scheme of this utility model offer:
A kind of drive shaft dynamic vibration absorber, is used for being installed on drive shaft, including main body, and
Match with described main body and removable balance weight body.
Preferably, described main body is identical with the structure of described balance weight body and all includes:
First rubber ring, iron core and the second rubber ring；
Wherein, described first rubber ring is arranged concentrically with described second rubber ring, and described iron core
Be arranged at the interlayer position that described first rubber ring and described second rubber ring are formed, and with institute
State the first rubber ring and described second rubber ring integrated vulcanizing molding.
Preferably, described first rubber ring sleeve is located on drive shaft axostylus axostyle.
Preferably, described first rubber ring is connected with drive shaft integrated vulcanizing molding.
Preferably, described main body is the most cylindrical with described balance weight body, one end of described main body with
Described balance weight body is connected, and the other end is provided with and is connected with described main body, and towards away from described main body
Direction extend first protruding；
One end of described balance weight body is connected with described main body, and the other end is provided with and described balance weight body
It is connected, and second extended towards the direction away from described balance weight body is protruding；
Wherein, described first protruding and described second projection internal diameter is adaptive with drive shaft axostylus axostyle.
Preferably, also include binding round and be located at that described first is protruding and/or card in described second projection
Hoop.
Preferably, the outer face of described iron core is circumferentially arranged multiple pilot hole, and bolt passes
The through hole being opened in described balance weight body screws in described pilot hole.
A kind of drive shaft, including drive shaft dynamic vibration absorber, described drive shaft dynamic vibration absorber is
Drive shaft dynamic vibration absorber disclosed in above-mentioned any one.
By in above technical scheme it can be seen that drive shaft disclosed in the utility model is dynamically inhaled
Shake device, is used for being installed on drive shaft, including main body, and matches with described main body and can
The balance weight body changed.Main body is connected from different balance weight body, it is possible to achieve the dynamic absorbing of drive shaft
The change of the amount of thinking highly of, forms the drive shaft dynamic vibration absorber of multiple different natural frequencies, thus suitable
Answer the needs of different automobile types, on the one hand facilitate bump leveller and match from different vehicles, save
Match time, on the other hand decrease design and the waste of production cost.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art,
The accompanying drawing used required in embodiment or description of the prior art will be briefly described below,
It should be evident that the accompanying drawing in describing below is only embodiments more of the present utility model, right
From the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the structural representation of drive shaft dynamic vibration absorber in prior art；
Fig. 2 is the cross-sectional view in drive shaft dynamic vibration absorber B-B direction in Fig. 1；
Before Fig. 3 is drive shaft dynamic vibration absorber assembling disclosed in this utility model embodiment
Structural representation；
After Fig. 4 is drive shaft dynamic vibration absorber assembling disclosed in this utility model embodiment
Structural representation.
Each component names is as follows:
Wherein, 1-main body, 2-balance weight body, 11-the first rubber ring, 12-iron core, 13-the second rubber
Cushion rubber, 14-first is protruding, 15-pilot hole, and 21-second is protruding, 22-through hole 23-bolt.
Detailed description of the invention
Core of the present utility model is to provide a kind of drive shaft dynamic vibration absorber, it is possible to intrinsic
Frequency of vibration be adjusted, reduce design time and the waste of production cost.
Another core of the present utility model is to provide one to have the dynamic absorbing of above-mentioned drive shaft
The drive shaft of device.
In order to make those skilled in the art be more fully understood that this utility model scheme, below in conjunction with
The utility model is described in further detail for the drawings and specific embodiments.
This utility model embodiment is disclosed that a kind of drive shaft dynamic vibration absorber, is used for pacifying
It is loaded in drive shaft, including main body 1, and matches with main body 1 and removable balance weight body 2.
Main body 1 is connected from different balance weight body 2 and combines, it is possible to achieve drive shaft dynamic vibration absorber weight
Change, form the drive shaft dynamic vibration absorber of multiple different natural frequencies, thus adapt to difference
The needs of vehicle, on the one hand facilitate bump leveller and match from different vehicles, save coupling
Time, on the other hand decrease design and the waste of production cost.
Refer to accompanying drawing 3, the drive shaft that Fig. 3 is disclosed in this utility model embodiment is dynamic
Structural representation before bump leveller assembling, drive shaft dynamic vibration absorber includes main body 1 and balance weight body
2, main body 1 is identical with the structure of balance weight body 2, by the first rubber ring 11, iron core 12 and
Two rubber rings 13 form, and wherein the first rubber ring 11 is connected with drive shaft axostylus axostyle, needs exist for
Explaining, the first rubber ring 11 can be sheathed connection with the connected mode of drive shaft, permissible
It is integrated sulfidization molding, can be interference fit, it is also possible to for other type of attachment, here,
The most sheathed connection, this kind of connected mode is conducive to the dismounting of drive shaft dynamic vibration absorber.Need
Further illustrating, iron core 12 is arranged at the first rubber ring 11 and 13 shapes of the second rubber ring
Become interlayer position, and with the first rubber ring 11 and the second rubber ring 13 integrated vulcanizing molding,
It is arranged such, so that the structure of main body 1 layer each with balance weight body 2 is connected more firm,
Drive shaft carry out moment of torsion transmission time be difficult to damaged.
The main body 1 of drive shaft dynamic vibration absorber is the most cylindrical with balance weight body 2, as it is shown on figure 3,
One end of main body 1 is connected with balance weight body 2, and the other end is provided with and is connected with main body 1, and towards far
The first projection 14 extended from the direction of main body；One end of balance weight body 2 is connected with main body 1, separately
One end is provided with and is connected with balance weight body 2, and second extended towards the direction away from balance weight body is protruding
21, wherein the internal diameter of the first protruding 14 and second projection 21 is adaptive with drive shaft, needs to explain
, first protruding 14 with main body 1 connect as one sulfidization molding, second protruding 21 with
The sulfuration that connects as one of balance weight body 2 is formed, and is arranged such, and main body 1 is permissible with balance weight body 2
The connection more fastened on the driving shaft, avoids drive shaft to a certain extent and is carrying out moment of torsion transmission
During produce axial displacement.
In order to avoid the generation of axial displacement further, can be protruding first protruding 14 or second
Clip is set on 21, by the first protruding 14 or second protruding 21 lock rings on the driving shaft, certainly,
Clip can be simultaneously located in the first protruding 14 and second projection 21, but in order to save
Cost-saving, only need to fix wherein any one projection, owing to first protruding 14 is that annular is recessed
Groove structure, it is advantageous to clip is arranged in the first projection 14, so can not only be by drive shaft
Dynamic vibration absorber is firm on the driving shaft, also is able to reduce cost simultaneously.
At the circumferentially arranged pilot hole in the outer face of iron core 12 15, it is possible to by main body 1 and counterweight
Body 2 carries out compact siro spinning technology, and wherein, the quantity of pilot hole 15 is multiple, and quantity is the most, more
Be conducive to the steadiness that main body 1 is connected with balance weight body 2, but process work to reduce main body 1
The complexity of skill, ensures the most again the steadiness that main body 1 is connected with balance weight body 2, and this practicality is new
Pilot hole disclosed in type embodiment is preferably 3, can be cost-effective, can guarantee that again master
Rigidity that body 1 is connected with balance weight body 2 and intensity.Need it is further noted that in balance weight body
Being provided with the through hole corresponding with pilot hole 15 on 2, bolt 23 is through being opened in balance weight body 2
Through hole screw in pilot hole 15, by main body 1 and balance weight body 2 compact siro spinning technology.
This utility model embodiment also discloses a kind of drive shaft, and the employing of this drive shaft is above-mentioned arbitrarily
Drive shaft dynamic vibration absorber disclosed in one embodiment.
Owing to this drive shaft have employed drive shaft dynamic vibration absorber disclosed in above-described embodiment,
Thus this drive shaft has the technological merit of above-mentioned drive shaft dynamic vibration absorber, in present specification
This is repeated no more.
In this specification, each embodiment uses the mode gone forward one by one to describe, and each embodiment emphasis is said
Bright is all the difference with other embodiments, and between each embodiment, identical similar portion is mutual
See mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of
Or use this utility model.To the multiple amendment of these embodiments professional technique people to this area
Will be apparent from for Yuan, generic principles defined herein can be without departing from this reality
In the case of novel spirit or scope, realize in other embodiments.Therefore, this practicality
The novel the embodiments shown herein that is not intended to be limited to, and it is to fit to public with institute herein
The principle opened and the consistent the widest scope of features of novelty.
Claims (8)
1. a drive shaft dynamic vibration absorber, is used for being installed on drive shaft, it is characterised in that
Including main body (1), and match with described main body (1) and removable balance weight body (2).
Drive shaft dynamic vibration absorber the most according to claim 1, it is characterised in that institute
State main body (1) identical with the structure of described balance weight body (2), and all include:
First rubber ring (11), iron core (12) and the second rubber ring (13)；
Wherein, described first rubber ring (11) is arranged concentrically with described second rubber ring (13),
And described iron core (12) is arranged at described first rubber ring (11) and described second rubber ring (13)
The interlayer position formed, and with described first rubber ring (11) and described second rubber ring (13)
Integrated vulcanizing molding.
Drive shaft dynamic vibration absorber the most according to claim 2, it is characterised in that institute
State the first rubber ring (11) to be sheathed on drive shaft axostylus axostyle.
Drive shaft dynamic vibration absorber the most according to claim 2, it is characterised in that institute
State the first rubber ring (11) to be connected with drive shaft integrated vulcanizing molding.
Drive shaft dynamic vibration absorber the most according to claim 1, it is characterised in that
Described main body (1) is the most cylindrical with described balance weight body (2), described main body (1)
One end be connected with described balance weight body (2), the other end is provided with and is connected with described main body (1),
And towards first protruding (14) of the direction extension away from described main body (1)；
One end of described balance weight body (2) is connected with described main body (1), the other end be provided with
Described balance weight body (2) is connected, and second extended towards the direction away from described balance weight body (2)
Protruding (21)；
Wherein, the internal diameter of described first protruding (14) and described second protruding (21) and driving
Axle axostylus axostyle is adaptive.
Drive shaft dynamic vibration absorber the most according to claim 5, it is characterised in that also
It is located at the clip on described first protruding (14) and/or described second protruding (21) including hoop.
Drive shaft dynamic vibration absorber the most according to claim 2, it is characterised in that institute
Stating that the outer face of iron core (12) is circumferentially arranged multiple pilot hole (15), bolt (23) is worn
Cross the through hole (22) being opened in described balance weight body (2) and screw in described pilot hole (15).
8. a drive shaft, including drive shaft dynamic vibration absorber, it is characterised in that described in drive
Moving axis dynamic vibration absorber is the drive shaft dynamic vibration absorber described in claim 1-7 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620302975.4U CN205605629U (en) | 2016-04-12 | 2016-04-12 | Drive shaft and drive shaft dynamic vibration absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620302975.4U CN205605629U (en) | 2016-04-12 | 2016-04-12 | Drive shaft and drive shaft dynamic vibration absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205605629U true CN205605629U (en) | 2016-09-28 |
Family
ID=56972908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620302975.4U Active CN205605629U (en) | 2016-04-12 | 2016-04-12 | Drive shaft and drive shaft dynamic vibration absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205605629U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2569341A (en) * | 2017-12-14 | 2019-06-19 | Jaguar Land Rover Ltd | Damper assembly |
| CN117489750A (en) * | 2023-12-18 | 2024-02-02 | 浙江富杰德汽车系统股份有限公司 | Vibration damper for driving shaft of automobile motor |
-
2016
- 2016-04-12 CN CN201620302975.4U patent/CN205605629U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2569341A (en) * | 2017-12-14 | 2019-06-19 | Jaguar Land Rover Ltd | Damper assembly |
| GB2569341B (en) * | 2017-12-14 | 2020-07-22 | Jaguar Land Rover Ltd | Damper assembly |
| CN117489750A (en) * | 2023-12-18 | 2024-02-02 | 浙江富杰德汽车系统股份有限公司 | Vibration damper for driving shaft of automobile motor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |