CN203239816U - Dynamic vibration absorber - Google Patents
Dynamic vibration absorber Download PDFInfo
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- CN203239816U CN203239816U CN 201320184882 CN201320184882U CN203239816U CN 203239816 U CN203239816 U CN 203239816U CN 201320184882 CN201320184882 CN 201320184882 CN 201320184882 U CN201320184882 U CN 201320184882U CN 203239816 U CN203239816 U CN 203239816U
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- Prior art keywords
- vibration absorber
- dynamic vibration
- base plate
- joint
- vulcanized rubber
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Abstract
Aiming to solve the technical problem that an existing dynamic vibration absorber generates large noises when installed onto some part of a vehicle in the prior art, the utility model provides a dynamic vibration absorber, which comprises a bottom plate, a vulcanized rubber block, a counterweight block and a protective cover. The counterweight block is connected onto the bottom plate through the vulcanized rubber block. A closed cavity is formed by the connection of the protective cover and the bottom plate. The vulcanized rubber block and the counterweight block are arranged inside the closed cavity. According to the technical scheme of the utility model, the dynamic vibration absorber comprises the protective cover and the protective cover is connected with the bottom plate to form the closed cavity. The vulcanized rubber block and the counterweight block are arranged inside the closed cavity. In this way, the vulcanized rubber block and the counterweight block are prevented from being exposed to the air directly. The influence of the external environment on the dynamic vibration absorber can be effectively isolated. Therefore, the service life of the dynamic vibration absorber is prolonged and the reliability of the dynamic vibration absorber is improved. The dynamic vibration absorber can be arranged at any part inside a vehicle and the vibration absorption performance of the dynamic vibration absorber is not influenced at all by the location of the dynamic vibration absorber. The dynamic vibration absorber is good in damping effect and can greatly eliminate the noise in the vehicle.
Description
Technical field
The utility model relates to automotive field, relates in particular to a kind of dynamic vibration absorber.
Background technique
Dynamic vibration absorber is to utilize resonator system to absorb the vibrational energy of object to reduce the equipment of object vibration, have the noise of the single natural frequency of better decay or the ability of vibration, can effectively solve the NVH(Noise/Vibration/Harshness that single natural frequency causes, noise/vibration/sound vibration roughness) characteristic issues is used general in the car load development process.Please refer to shown in Figure 1, existing dynamic vibration absorber comprise mounting bracket 1 ', vulcanized rubber piece 2 and balancing weight 3, described mounting bracket 1 ' with balancing weight is connected and is connected by described vulcanized rubber piece 2.
But inventor of the present utility model studies discovery, and existing dynamic vibration absorber is installed in some position of automobile, during such as positions such as in the engine compartment that is installed in automobile or chassis, can produce larger noise.
The model utility content
For aforementioned some position that existing dynamic vibration absorber is installed in automobile, produce the problem of larger noise such as meetings such as in the engine compartment or chassis, inventor of the present utility model finds through long tracking and testing research, the residing environment of dynamic vibration absorber that is installed in these positions is more abominable, can there be high temperature, dust, collide with and the oil contamination equivalent risk, the dynamic vibration absorber life-span that causes being installed in these positions is shorter, has influence on the absorbing performance of dynamic vibration absorber; Concrete mainly is because vulcanized rubber piece and balancing weight on the dynamic vibration absorber directly expose in air, and aforementioned environmental factor causes vulcanized rubber piece easily aging impaired coming off under the environment such as high temperature, and then makes the balancing weight abnormal that comes off cause noise problem.Therefore, the utility model provides a kind of novel dynamic vibration absorber.
The purpose of this utility model is achieved through the following technical solutions:
A kind of dynamic vibration absorber, comprise base plate, vulcanized rubber piece, balancing weight and protective housing, described balancing weight is connected on the base plate through the vulcanized rubber piece, and described protective housing and base plate are connected to form a closed cavity, and described vulcanized rubber piece and balancing weight are positioned at described closed cavity.
The dynamic vibration absorber that the utility model provides comprises protective housing, described protective housing and base plate are connected to form a closed cavity, described vulcanized rubber piece and balancing weight are positioned at described closed cavity, therefore described protective housing can cover vulcanized rubber piece and the balancing weight that is arranged on the base plate, be that described vulcanized rubber piece and balancing weight directly do not expose in air, external world's (such as dust, fluid, collide with, high temperature etc.) be can effectively isolate on the impact of dynamic vibration absorber, thereby working life and the reliability of dynamic vibration absorber improved; The dynamic vibration absorber that the utility model can be provided is arranged in the arbitrary position of automobile, and can not have influence on the absorbing performance of dynamic vibration absorber, has good effectiveness in vibration suppression, can greatly eliminate the noise in the car.
Further, described protective housing comprises bottom and a plurality of sidewalls that are connected with described bottom, and the first edge of each described sidewall extends to form joint, and described joint is connected with described base plate.
Further, the first edge of described each sidewall extends to form one or more joint.
Further, the first edge of described each sidewall extends to form a joint, and a described joint arranges between two parties in each sidewall.
Further, the first edge of described each sidewall extends to form a plurality of joints, and described a plurality of joints equidistantly arrange in each sidewall.
Further, described base plate is provided with attachment hole, and described joint passes described attachment hole and is bent to form flange.
Further, be welded to connect with described base plate after the described joint bending.
Further, described base plate is provided with groove, and described joint is connected with described groove clamping.
Further, described base plate is provided with the first through hole, and described vulcanized rubber piece is provided with the second through hole, and described balancing weight is provided with pilot hole.
Further, described the first through hole, the second through hole and pilot hole are tapped hole.
Description of drawings
Fig. 1 is the dynamic vibration absorber structural representation that prior art provides;
Fig. 2 is the dynamic vibration absorber structural representation that the utility model embodiment provides;
Fig. 3 is the plan view of the dynamic vibration absorber that provides of the utility model embodiment;
Fig. 4 is the schematic cross-section after cutting open along the A-A line among Fig. 3.
Wherein, 1 ', mounting bracket; 1, base plate; 10, the first through hole; 11, first surface; 12, second surface; 13, attachment hole; 14, flange; 2, vulcanized rubber piece; 20, the second through hole; 3, balancing weight; 30, pilot hole; 4, protective housing; 40, bottom; 41, the first side wall; 42, the second sidewall; 43, the 3rd sidewall; 44, the 4th sidewall; 411, the first joint; 421, the second joint; 431, the second joint; 441, the 4th joint.
Embodiment
Clearer for technical problem, technological scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Please refer to shown in Figure 2, a kind of dynamic vibration absorber, comprise base plate 1, vulcanized rubber piece 2, balancing weight 3 and protective housing 4, described balancing weight 3 is connected on the base plate 1 through vulcanized rubber piece 2, described protective housing 4 is connected to form a closed cavity with base plate 1, and described vulcanized rubber piece 2 and balancing weight 3 are positioned at described closed cavity.
The dynamic vibration absorber that the utility model provides comprises protective housing 4, described protective housing 4 is connected to form a closed cavity with base plate 1, described vulcanized rubber piece 2 and balancing weight 3 are positioned at described closed cavity, therefore described protective housing 4 can cover vulcanized rubber piece 2 and the balancing weight 3 that is arranged on the base plate 1, be that described vulcanized rubber piece 2 and balancing weight 3 directly do not expose in air, external world's (such as dust, fluid, collide with, high temperature etc.) be can effectively isolate on the impact of dynamic vibration absorber, thereby working life and the reliability of dynamic vibration absorber improved; The dynamic vibration absorber that the utility model can be provided is arranged in the arbitrary position of automobile, and can not have influence on the absorbing performance of dynamic vibration absorber, has good effectiveness in vibration suppression, can greatly eliminate the noise in the car.
Please refer to Fig. 2-shown in Figure 3, as specific embodiment, described protective housing 4 comprises bottom 40 and a plurality of sidewalls that are connected with described bottom 40, and the first edge of each described sidewall extends to form joint, and described joint is connected with described base plate 1.As a kind of mode of execution, described protective housing 4 comprises bottom 40 and the first side wall 41 that is connected with described bottom 40, the second sidewall 42, the 3rd sidewall 43 and the 4th sidewall 44, the first edge of each described sidewall extends to form joint, namely on the first side wall 41, the second sidewall 42, the 3rd sidewall 43 and the 4th sidewall 44, extend to form respectively the first joint 411, the second joint 421, the 3rd joint 431 and the 4th joint 441 away from the edge of bottom 40; And be connected with described bottom 40 with opposing the second edge, described the first edge, namely at the second edge of described the first side wall 41, the second sidewall 42, the 3rd sidewall 43 and the 4th sidewall 44, be connected with the bottom 40 of described protective housing 4.So far, described protective housing 4 is shaped as the box-like of an opening.In the present embodiment, there is extension at the first edge of described the first side wall 41, the second sidewall 42, the 3rd sidewall 43 and the 4th sidewall 44; Certainly, those skilled in the art also can an extension sidewall, as long as specifically can guarantee that described protective housing 4 can cover the vulcanized rubber piece 2 on the base plate 1 and balancing weight 3, and effectively is connected with described base plate 1 and gets final product.
As specific embodiment, the first edge of described each sidewall extends to form one or more joint.As a kind of mode of execution, described protective housing 4 comprises bottom 40 and the first side wall 41 that is connected with described bottom 40, the second sidewall 42, the 3rd sidewall 43 and the 4th sidewall 44, the first edge of described each sidewall extends to form one or more joint, namely on the first side wall 41, the second sidewall 42, the 3rd sidewall 43 and the 4th sidewall 44, its first edge away from bottom 40 has extended to form one or more joint, realizes that thus described protective housing 4 is connected with the effective of described base plate 1.
Please refer to shown in Figure 3ly, as specific embodiment, the first edge of described each sidewall extends to form a joint, and a described joint arranges between two parties in each sidewall.In the present embodiment, only form first joint 411, the second joint 421, the 3rd joint 431 and the 4th joint 441 on the first edge of described the first side wall 41, the second sidewall 42, the 3rd sidewall 43 and the 4th sidewall 44, and described first joint 411, the second joint 421, the 3rd joint 431 and the 4th joint 441 are positioned at the neutral position of each sidewall to be arranged, realizes thus described protective housing 4 and 1 stable connection of base plate.
As specific embodiment, the first edge of described each sidewall extends to form a plurality of joints, and described a plurality of joints equidistantly arrange in each sidewall.In the present embodiment, be formed with a plurality of joints on the first edge of described the first side wall 41, the second sidewall 42, the 3rd sidewall 43 and the 4th sidewall 44, and described a plurality of joint is arranged in each sidewall equal intervals, it is the part edge extension on described the first edge of each sidewall, the interval is formed with a plurality of the first joints 411, the second joint 421, the 3rd joint 431 and the 4th joint 441 respectively, realizes thus described protective housing 4 and 1 stable connection of base plate.
As specific embodiment, described base plate 1 is provided with attachment hole 13, and described joint passes described attachment hole 13 and is bent to form flange 14.Please refer to shown in Figure 4, as the first embodiment, described base plate 1 comprises first surface 11 and the second surface 12 of relative configuration, described first surface 11 is relative with the first edge of described protective housing 4, be that described first surface 11 is the upper surface of base plate 1, described second surface 12 is the lower surface of base plate 1; Be provided with the attachment hole 13 that runs through first surface 11 and second surface 12 at described base plate 1, namely described attachment hole 13 is through hole; After described joint passes 13 bendings of described attachment hole, is connected with side margin between described first surface 11 and the second surface 12, namely forms flange 14 after the described joint bending, described protective housing 4 is fixed by this flange 14 with described base plate 1.
As the second embodiment, described base plate 1 comprises first surface 11 and the second surface 12 of relative configuration, described first surface 11 is relative with the first edge of described protective housing 4, and namely described first surface 11 is the upper surface of base plate 1, and described second surface 12 is the lower surface of base plate 1; Be provided with the attachment hole 13 that runs through first surface 11 and second surface 12 at described base plate 1, be that described attachment hole 13 is through hole, described joint passes described attachment hole bending rear 13 and forms flange 14, described flange 14 directly is connected with the second surface 12 of described base plate 1, realizes thus being connected and fixed of described protective housing 4 and described base plate 1.
As the third embodiment, be welded to connect with described base plate 1 after the described joint bending.Described base plate 1 comprises first surface 11 and the second surface 12 of relative configuration, described first surface 11 is relative with the first edge of described protective housing 4, be that described first surface 11 is the upper surface of base plate 1, form flange after the described joint bending, the direct first surface 11 with described base plate 1 of this flange is connected and fixed.Present embodiment is implemented to compare with aforementioned the second, and described base plate 1 does not arrange attachment hole 13, but directly on the first surface 11 of base plate 1 described joint is bent to form flange, then this flange and described first surface 11 is welded to connect.
As the 4th kind of embodiment, described base plate 1 is provided with groove, and described joint is connected with described groove clamping.Described base plate 1 is provided with the groove corresponding with described joint, and described groove is used for connecting described joint, specifically described joint can be connected in the described groove, then welds.Wherein, the Placement of described joint and base plate 1 is not limited to this, and those skilled in the art can also replace and change on the basis of previous embodiment accordingly, effectively is connected with base plate 1 as long as can guarantee described protective housing 4.
Please refer to shown in Figure 4ly, as specific embodiment, described base plate 1 is provided with the first through hole 10, and described vulcanized rubber piece 2 is provided with the second through hole 20, and described balancing weight 3 is provided with pilot hole 30.In the present embodiment, at described base plate 1 the first through hole 10 is set, the second through hole 20 is set on the described vulcanized rubber piece 2, on the described balancing weight 3 pilot hole 30 is set, it is mainly used in using when described dynamic vibration absorber is installed on the automobile, specifically the axis of described the first through hole 10, the second through hole 20 and pilot hole 30 can be arranged on the same straight line, convenient when allowing described dynamic vibration absorber install.
As a kind of embodiment, described the first through hole 10, the second through hole 20 and pilot hole 30 are tapped hole, when described dynamic vibration absorber is installed, can select screw bolt and nut to install.Particularly, first the second surface 12 of the threaded end of described bolt from described base plate 1 begun to install, after passing described the first through hole 10 and the second through hole 20, fix in described pilot hole 30 interior contacts, then twist on the other end of bolt with described nut, until described nut with described dynamic vibration absorber is installed and fixed after the second surface 12 of described base plate 1 contacts.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. dynamic vibration absorber, it is characterized in that, comprise base plate, vulcanized rubber piece, balancing weight and protective housing, described balancing weight is connected on the base plate through the vulcanized rubber piece, described protective housing and base plate are connected to form a closed cavity, and described vulcanized rubber piece and balancing weight are positioned at described closed cavity.
2. dynamic vibration absorber according to claim 1 is characterized in that, described protective housing comprises bottom and a plurality of sidewalls that are connected with described bottom, and the first edge of each described sidewall extends to form joint, and described joint is connected with described base plate.
3. dynamic vibration absorber according to claim 2 is characterized in that, the first edge of described each sidewall extends to form one or more joint.
4. dynamic vibration absorber according to claim 3 is characterized in that, the first edge of described each sidewall extends to form a joint, and a described joint arranges between two parties in each sidewall.
5. dynamic vibration absorber according to claim 3 is characterized in that, the first edge of described each sidewall extends to form a plurality of joints, and described a plurality of joints equidistantly arrange in each sidewall.
6. each described dynamic vibration absorber is characterized in that according to claim 1-5, and described base plate is provided with attachment hole, and described joint passes described attachment hole and is bent to form flange.
7. each described dynamic vibration absorber is characterized in that according to claim 1-5, is welded to connect with described base plate after the described joint bending.
8. each described dynamic vibration absorber is characterized in that according to claim 1-5, and described base plate is provided with groove, and described joint is connected with described groove clamping.
9. dynamic vibration absorber according to claim 1 is characterized in that, described base plate is provided with the first through hole, and described vulcanized rubber piece is provided with the second through hole, and described balancing weight is provided with pilot hole.
10. dynamic vibration absorber according to claim 9 is characterized in that, described the first through hole, the second through hole and pilot hole are tapped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320184882 CN203239816U (en) | 2013-04-12 | 2013-04-12 | Dynamic vibration absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320184882 CN203239816U (en) | 2013-04-12 | 2013-04-12 | Dynamic vibration absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203239816U true CN203239816U (en) | 2013-10-16 |
Family
ID=49317119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320184882 Expired - Fee Related CN203239816U (en) | 2013-04-12 | 2013-04-12 | Dynamic vibration absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203239816U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108216072A (en) * | 2017-12-15 | 2018-06-29 | 重庆长安汽车股份有限公司 | A kind of automobile vibration-absorbing denoising device |
-
2013
- 2013-04-12 CN CN 201320184882 patent/CN203239816U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108216072A (en) * | 2017-12-15 | 2018-06-29 | 重庆长安汽车股份有限公司 | A kind of automobile vibration-absorbing denoising device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20131016 Termination date: 20200412 |