CN212717753U - Automobile dynamic vibration absorber - Google Patents
Automobile dynamic vibration absorber Download PDFInfo
- Publication number
- CN212717753U CN212717753U CN202021316896.1U CN202021316896U CN212717753U CN 212717753 U CN212717753 U CN 212717753U CN 202021316896 U CN202021316896 U CN 202021316896U CN 212717753 U CN212717753 U CN 212717753U
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- Prior art keywords
- plate
- vibration absorber
- dynamic vibration
- felts
- wall
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- 239000006096 absorbing agent Substances 0.000 title claims abstract description 21
- 238000013016 damping Methods 0.000 claims description 2
- -1 quality piece Substances 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 7
- 230000003139 buffering effect Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses an automotive dynamic vibration absorber, including quality piece, rubber spare and fixed bolster, the periphery of quality piece is wrapped up by rubber spare, and the left and right sides face of rubber spare outwards extends and constitutes the bolster, and the fixed bolster inner wall is provided with a plurality of felts, and a plurality of felts are located the different sides of quality piece respectively. The noise generated by collision between the mass block and the fixed support is reduced, and the device has the characteristics of simple structure and good reliability.
Description
Technical Field
The utility model relates to an automobile parts especially relates to an automobile dynamic vibration absorber.
Background
Noise, Vibration and Harshness (NVH) performance is one of the important factors representing the comprehensive quality of the automobile, and as the automobile is gradually popularized, customers have higher expectations for the quality of the automobile, so that the NVH performance requirements of various companies are higher.
The dynamic vibration absorber of the automobile is an indispensable part in the core part of the automobile and is often used for adjusting the damping frequency of the system. The existing dynamic vibration absorber mainly comprises a rubber part, a mass block and a fixed support. However, the working environment in the automobile is often in a high temperature state, so that the rubber part of the dynamic vibration absorber is easily aged and hardened by heat, and the absorption frequency of the dynamic vibration absorber is seriously affected. In addition, the mass block of the dynamic vibration absorber collides with the limiting structure violently at the resonance frequency to generate noise. Although the rubber buffer structure is provided, the vibration cannot be effectively attenuated, and the collision noise is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an automobile dynamic vibration absorber is provided, reduce the noise that produces because of the collision of quality piece and fixed bolster, have simple structure, good reliability's characteristics.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides an automobile dynamic vibration absorber, includes quality piece, rubber spare and fixed bolster, the periphery of quality piece wrap up by the rubber spare, the left and right sides face of rubber spare outwards extend and constitute the bolster, the fixed bolster inner wall be provided with a plurality of felts, a plurality of felts are located the different sides of quality piece respectively.
The utility model discloses further preferred scheme: the left side surface and the right side surface of the mass block are fixedly connected with the inner wall of the fixed support through buffer parts, and distances are reserved between the top surface, the bottom surface, the front side surface and the rear side surface of the rubber part and the inner wall of the fixed support.
The utility model discloses further preferred scheme: the felts are respectively distributed above, below, in front of and behind the rubber piece.
The utility model discloses further preferred scheme: the inner wall of the fixed support is provided with eight felts, every two of the eight felts are distributed on one side of the rubber part, the two felts above or below the rubber part are arranged on the left and right, and the two felts in front of or behind the rubber part are arranged on the upper and lower sides.
The utility model discloses further preferred scheme: the buffering piece comprises two supporting rods and a supporting plate, the supporting plate is attached to the inner wall of the fixed support, and the supporting rods are connected with the supporting plate and the rubber piece.
The utility model discloses further preferred scheme: the fixing support comprises a front support plate and a rear support plate, wherein the front support plate and the rear support plate are attached to each other in a front-back mode and form a frame through bolts.
The utility model discloses further preferred scheme: the rear supporting plate comprises a first plate body structural part located behind the mass block, bending parts bent forwards are arranged on the upper portion and the lower portion of the first plate body structural part, the bending parts are located above or below the mass block, a felt is arranged on the inner wall of each bending part, and a felt is arranged on the inner wall of the first plate body structural part.
The utility model discloses further preferred scheme: the front supporting plate comprises a plate body structural part II and a connecting strip, the plate body structural part II is bent into a U-shaped structure, the connecting strip is located above the plate body structural part I and is bent backwards, two ends of the plate body structural part are attached to two ends of the plate body structural part and are connected through bolts in a locking mode, and the connecting strip is attached to the upper portion of the plate body structural part I and is connected through bolts in a locking mode.
The utility model discloses further preferred scheme: rectangular openings are formed in the first plate body structural part and the second plate body structural part.
Compared with the prior art, the utility model has the advantages of connect quality piece and fixed bolster through the bolster of the left and right sides face for be connected between quality piece and the fixed bolster and be elastic connection, have better shock attenuation buffering effect, and avoided the rigid connection can cause the noise.
And then, the inner wall of the fixed support is provided with a plurality of felts which are respectively positioned on different side surfaces of the mass block. The periphery of the mass block is wrapped by the rubber piece, and when the mass block is stressed to move, the mass block cannot directly collide with the fixed support but contacts with the felt. The felt will absorb the impact noise between the mass and the support and effectively damp the vibrations. The utility model has the characteristics of simple structure, good reliability.
Drawings
The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.
Fig. 1 is a schematic front structural view of the present invention;
fig. 2 is a schematic view of the back structure of the present invention;
fig. 3 is a cross-sectional view of the present invention;
fig. 4 is a schematic diagram of the internal structure of the present invention.
Wherein the reference numerals are specified as follows: the mass block comprises a mass block 1, a rubber piece 2, a buffer piece 3, a support rod 3a, a support plate 3b, a felt 4, a front support plate 5, a plate body structural piece I5 a, a bending part 5b, a rear support plate 6, a plate body structural piece II 6a and a connecting strip 6 b.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1 to 4: the utility model provides an automobile dynamic vibration absorber, includes quality piece 1, rubber spare 2 and fixed bolster, and the periphery of quality piece 1 is wrapped up by rubber spare 2, and the left and right sides face of rubber spare 2 outwards extends and constitutes bolster 3, and the fixed bolster inner wall is provided with a plurality of felts 4, and a plurality of felts 4 are located the different sides of quality piece 1 respectively.
The left side surface and the right side surface of the mass block 1 are fixedly connected with the inner wall of the fixed support through the buffer parts 3, and distances are reserved between the top surface, the bottom surface, the front side surface and the rear side surface of the rubber part 2 and the inner wall of the fixed support. The fixed support is subjected to clearance treatment between the fixed support and the mass block 1 in other directions, and when the mass block 1 is stressed to move, if the moving range is small, the mass block does not collide with other structures.
The felts 4 are respectively distributed above, below, in front of and behind the rubber member 2. The utility model discloses a quality piece 1 only the left and right sides is connected with the fixed bolster, all is likely to bump in other directions, so felt 4 just need distribute in each is likely to bump's direction.
Eight felts 4 are provided with to the fixed bolster inner wall, and eight felts 4 two liang of distributions are in one side of rubber spare 2, and two felts 4 that are located 2 tops of rubber spare or below set up about, and two felts 4 that are located 2 the place ahead of rubber spare or rear set up from top to bottom. Set up eight felts 4, every non-contact surface evenly distributes two felts 4, does the utility model discloses an optimal structure.
The buffer member 3 comprises two supporting rods 3a and a supporting plate 3b, the supporting plate 3b is attached to the inner wall of the fixed support, and the supporting plate 3b and the rubber member 2 are connected with the supporting rods 3 a. The buffer part 3 has the functions of connection and fixation and shock absorption and buffering.
The fixed support comprises a front support plate 5 and a rear support plate 6, wherein the front support plate 5 and the rear support plate 6 are attached to each other in a front-back mode and form a frame piece through bolts. The utility model discloses a non-integrated into one piece structure of fixed bolster, but connect fixedly through preceding extension board 5, back support plate 6 and constitute, reduced the degree of difficulty of fixed bolster in production and processing promptly, the installation of the felt 4 of also being convenient for.
The rear support plate 6 comprises a plate body structural part I5 a located behind the mass block 1, bending parts 5b bent forwards are arranged on the upper portion and the lower portion of the plate body structural part I5 a, the bending parts 5b are located above or below the mass block 1, a felt 4 is arranged on the inner wall of each bending part 5b, and a felt 4 is arranged on the inner wall of each plate body structural part I5 a.
The front support plate 5 comprises a second plate body structural part 6a and a connecting strip 6b, the second plate body structural part 6a is bent into a U-shaped structure, the connecting strip 6b is located above the first plate body structural part 5a and is bent backwards, two ends of the second plate body structural part 6a are attached to two ends of the first plate body structural part 5a and are connected through bolts in a locking mode, and the connecting strip 6b is attached to the upper portion of the first plate body structural part 5a and is connected through bolts in a locking mode.
The structures of the front support plate 5 and the rear support plate 6 are matched with each other, so that an outer frame structure is formed, and the rubber piece 2 and the mass block 1 can be mounted. Specifically speaking, the utility model discloses a bolster 3 is connected with plate body structure two 6 a.
On the other hand, the structural arrangement of the front support plate 5 and the rear support plate 6 also meets the requirement of light weight, and the material cost is reduced. Further embodied that the first plate structure member 5a and the second plate structure member 6a are both provided with rectangular openings.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above is to the utility model discloses going on the detailed introduction, having used specific individual example to right in this paper the utility model discloses a principle and implementation mode have been elucidated, and the explanation of above embodiment only is used for helping understanding the utility model discloses and core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (9)
1. The automobile dynamic vibration absorber comprises a mass block, a rubber piece and a fixed support, and is characterized in that the periphery of the mass block is wrapped by the rubber piece, the left side surface and the right side surface of the rubber piece extend outwards to form a buffer piece, the inner wall of the fixed support is provided with a plurality of felts, and the plurality of felts are respectively positioned on different side surfaces of the mass block.
2. The automotive dynamic vibration absorber of claim 1 wherein the left and right sides of the mass are fixedly connected to the inner wall of the stationary bracket by means of a damping member, and the top, bottom, front, and rear sides of the rubber member are spaced from the inner wall of the stationary bracket.
3. The dynamic vibration absorber of claim 1 wherein a plurality of felts are disposed above, below, in front of and behind the rubber member, respectively.
4. The automotive dynamic vibration absorber of claim 1 wherein eight felts are disposed on the inner wall of the fixing bracket, wherein the eight felts are disposed on one side of the rubber member two by two, two felts above or below the rubber member are disposed on the left and right, and two felts in front of or behind the rubber member are disposed on the top and bottom.
5. The dynamic vibration absorber according to claim 1, wherein said damper comprises two struts and a strut, said strut engaging the inner wall of the stationary frame, said struts connecting the strut to the rubber member.
6. The dynamic vibration absorber according to claim 1, wherein said fixing bracket includes a front plate and a rear plate, said front plate and said rear plate engaging each other in a front-rear direction and forming a frame member by bolts.
7. The automotive dynamic vibration absorber according to claim 6, wherein the rear supporting plate comprises a first plate structural member located behind the mass block, wherein a bent portion bent forward is disposed on each of an upper portion and a lower portion of the first plate structural member, the bent portion is located above or below the mass block, a felt is disposed on an inner wall of the bent portion, and a felt is disposed on an inner wall of the first plate structural member.
8. The dynamic vibration absorber according to claim 7, wherein said front plate includes a second plate member bent into a U-shaped configuration, and a connecting strip bent rearward above the first plate member, both ends of said second plate member being engaged with and locked by bolts, and said connecting strip being engaged with and locked by bolts at an upper portion of the first plate member.
9. The automotive dynamic vibration absorber of claim 8 wherein the first plate structure and the second plate structure are both provided with rectangular openings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021316896.1U CN212717753U (en) | 2020-07-07 | 2020-07-07 | Automobile dynamic vibration absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021316896.1U CN212717753U (en) | 2020-07-07 | 2020-07-07 | Automobile dynamic vibration absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212717753U true CN212717753U (en) | 2021-03-16 |
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ID=74965675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021316896.1U Active CN212717753U (en) | 2020-07-07 | 2020-07-07 | Automobile dynamic vibration absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212717753U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114263704A (en) * | 2021-12-28 | 2022-04-01 | 浙江极氪智能科技有限公司 | Vibration absorbing device, panoramic sunroof and automobile |
-
2020
- 2020-07-07 CN CN202021316896.1U patent/CN212717753U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114263704A (en) * | 2021-12-28 | 2022-04-01 | 浙江极氪智能科技有限公司 | Vibration absorbing device, panoramic sunroof and automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 315600 No. 2299, Xuemian North Road, Taoyuan Street, Ninghai County, Ningbo City, Zhejiang Province Patentee after: Jianxin Zhaoshi Technology Co.,Ltd. Address before: 315600 No. 281 North Keyuan Road, Taoyuan Street, Ninghai County, Ningbo City, Zhejiang Province Patentee before: JX ZHAO'S Group Corp. |
|
| CP03 | Change of name, title or address |