CN220980225U - Novel dynamic vibration absorber - Google Patents
Novel dynamic vibration absorber Download PDFInfo
- Publication number
- CN220980225U CN220980225U CN202323120015.5U CN202323120015U CN220980225U CN 220980225 U CN220980225 U CN 220980225U CN 202323120015 U CN202323120015 U CN 202323120015U CN 220980225 U CN220980225 U CN 220980225U
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- assembly
- mounting
- mass block
- matching
- vibration absorber
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- 239000006096 absorbing agent Substances 0.000 title claims abstract description 27
- 230000013011 mating Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 10
- 238000009434 installation Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses a novel dynamic vibration absorber, which comprises a shell connected with a vehicle body and a mass block assembled on the shell; an assembly space for assembling the mass block is arranged in the shell; the utility model also comprises an assembly bolt, and the mass block and the shell are assembled through the assembly bolt; compared with the common dynamic vibration absorber in the current market, the number of parts is reduced, so that the assembly process of the utility model is simpler; meanwhile, the whole space occupation of the utility model is lower, the assembly of the utility model is convenient, and the utility model can be suitable for more assembly environments.
Description
Technical Field
The utility model relates to the field of design and manufacture of automobile parts, in particular to a novel dynamic vibration absorber.
Background
An automotive dynamic vibration absorber is a mechanical device for reducing vibration of a vehicle; it utilizes a resonant system to absorb the vibration energy of an object to reduce the vibration of the object
The power vibration absorber commonly used in the market at present generally comprises an upper shell and a lower shell, wherein the upper shell and the lower shell are assembled to form an assembly space, and then a mass block is installed in the assembly space to realize the assembly of the mass block; therefore, a large space is occupied; the dynamic vibration absorbers are usually patch products, and are added when NVH problems occur, so that the vehicle does not need to reserve enough space for all types of dynamic vibration absorbers in the initial design; therefore, the dynamic vibration absorber is required to provide sufficient quality and reduce space occupation as much as possible; meanwhile, the upper shell and the lower shell are connected by bolts and gaskets which are assembled together, so that the parts are more, the assembly process is complex, and the risk of neglected assembly of the bolts and gaskets is easy to occur.
Disclosure of utility model
The utility model overcomes the defects of the prior art and provides the novel dynamic vibration absorber which has the advantages of simple structure, reasonable design, lower space occupation, fewer parts and simple assembly process.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
A novel dynamic vibration absorber comprises a shell connected with a vehicle body and a mass block assembled on the shell; an assembly space for assembling the mass block is arranged in the shell; the mass block and the shell are assembled through the assembly bolts.
Further, an assembly opening for the mass block to enter the assembly space is formed in the bottom of the shell; the top of the mass block is provided with an assembly screw hole matched with an assembly bolt, the top of the corresponding shell is provided with a through hole, and the assembly bolt passes through the through hole to be matched with the assembly screw hole of the mass block.
Further, the assembly bolt comprises a bolt head and a screw rod, the diameter of the bolt head is larger than that of the screw rod, and one end of the screw rod is connected with the bolt head; the diameter of the bolt head is larger than the inner diameter of the through hole; the screw is sleeved with limiting rubber, and one end of the limiting rubber is abutted against the head of the bolt; the other end of the limiting rubber is abutted to the top of the mass block when the assembly bolt is matched with the assembly screw hole of the mass block.
Further, the device comprises a rubber piece, wherein the rubber piece comprises a matching part and a mounting part; the matching part is internally provided with a matching space, and the mass block is positioned in the matching space and is wrapped by the matching part; the mounting part is arranged on the outer surface of the matching part and extends outwards; the shell is provided with a mounting hole matched with the mounting part; the matching part is provided with a matching opening corresponding to the matching screw hole, and the matching bolt passes through the through hole and the matching opening to be matched with the matching screw hole of the mass block; the limit rubber passes through the matching opening and is abutted to the top of the mass block.
Further, the mounting part is columnar, one end of the mounting part is connected with the outer surface of the matching part, and the other end of the mounting part is matched with the mounting hole; the mounting portions are parallel to each other.
Further, the left side and the right side of the matching part are provided with mounting parts, and the lengths of the mounting parts are consistent; the width of each part of the matching part is consistent; the width of the assembly space is uniform throughout.
Further, one end of the mounting part far away from the matching part is provided with a mounting stop block; the mounting stop block adopts rubber and comprises a first stop block and a second stop block, and the diameters of the first stop block and the second stop block are larger than the inner diameter of the mounting hole; and a mounting gap is arranged between the first stop block and the second stop block, and the diameter of the mounting gap corresponds to the inner diameter of the mounting hole.
Further, the shell is provided with an outwards extending assembly plate corresponding to the assembly opening, a fixing screw hole is formed in the assembly plate, and connection with the vehicle body is achieved through cooperation of the bolt and the fixing screw hole.
Further, the width of the fitting portion is smaller than the inner width of the fitting space.
Further, the mass block, the matching part and the assembling space are axisymmetric, and the symmetry axes of the mass block, the matching part and the assembling space are on the same straight line.
Advantageous effects
In the utility model, the mass block and the shell are assembled through the assembly bolts; compared with the common dynamic vibration absorber in the current market, the number of parts is reduced, so that the assembly process of the utility model is simpler; meanwhile, the whole space occupation of the utility model is lower, the assembly of the utility model is convenient, and the utility model can be suitable for more assembly environments.
According to the utility model, the mass block is assembled through the arrangement of the assembly screw holes, the through holes and the assembly bolts; meanwhile, the arrangement of the assembly space provides a space for the mass block, and the assembly space has a protection effect on the mass block and prevents the mass block from being damaged as much as possible.
According to the utility model, through the arrangement of the limiting rubber, a certain gap exists between the top of the mass block and the top of the assembly space after the mass block is assembled, so that interference between the top of the mass block and the top of the assembly space is prevented as much as possible.
In the utility model, the vibration energy is absorbed and slowed down through the arrangement of the rubber piece; the rubber piece includes cooperation portion and installation department, wraps up the quality piece through cooperation portion, and rethread installation department realizes being connected of rubber piece and casing.
According to the utility model, the mounting parts distributed on the outer surface of the matching part are mutually parallel, so that the rubber part can better and more uniformly bear, absorb and slow down vibration energy, and the vibration absorption effect is improved.
According to the utility model, the lengths of the mounting parts are consistent, so that the rubber piece can better and more uniformly bear, absorb and slow down vibration energy, and the vibration absorption effect is improved.
According to the utility model, the installation stop block is arranged, so that the installation part is matched with the installation hole, and the rubber piece is assembled on the shell.
In the utility model, the connection between the utility model and the vehicle body is realized through the arrangement of the assembly plate; meanwhile, the assembly plate is arranged at the position of the shell corresponding to the assembly opening, so that the assembly opening of the assembly space can be shielded by the vehicle body after the assembly plate is connected with the vehicle body, the number of parts is reduced, the assembly process of the assembly plate is simpler, and the assembly plate is convenient to assemble.
In the utility model, the width of the matching part is smaller than the internal width of the assembly space, and the lengths of the installation parts are consistent, so that a certain gap exists between the side surface of the matching part and the side wall of the assembly space, and interference between the side surface of the matching part and the side wall of the assembly space is prevented as much as possible.
In the utility model, the mass block, the matching part and the assembly space are axisymmetric, and the symmetry axes of the mass block, the matching part and the assembly space are on the same straight line; and the whole structure of the utility model is more uniform, which is beneficial to improving the shock absorption effect.
Drawings
Fig. 1 is a structural view of the whole of the present utility model.
Fig. 2 is a cross-sectional view of the present utility model.
Fig. 3 is a structural view of the housing.
Fig. 4 is a structural view of the fitting of the mounting bolt and the stopper rubber.
Fig. 5 is a structural view of the mass and rubber fitting.
Fig. 6 is a structural view of the rubber member.
Fig. 7 is a structural view at the mounting portion.
Fig. 8 is a block diagram of the mass.
Reference numerals in the drawings:
1. A housing; 2. a mass block; 3. assembling a bolt; 4. limit rubber; 5. a rubber member; 11. an assembly space; 12. a fitting opening; 13. a through hole; 14. a mounting hole; 15. an assembly plate; 16. fixing the screw holes; 21. assembling a screw hole; 31. a bolt head; 32. a screw; 51. a mating portion; 52. a mounting part; 511. a mating space; 512. a mating opening; 521. a first stopper; 522. a second stopper; 523. and (3) mounting a gap.
Detailed Description
The utility model will be further described with reference to the drawings and specific examples. It should be noted that the examples are only specific to the present utility model and are for the purpose of better understanding of the technical solutions of the present utility model to those skilled in the art, and should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, as the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used for convenience of description and simplicity of description, only as to the orientation or positional relationship shown in the drawings, and not as an indication or suggestion that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.
In the description of the present utility model, it should be noted that unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases to those skilled in the art.
Examples
As shown in fig. 1 to 8, a novel dynamic vibration absorber comprises a housing 1 connected with a vehicle body and a mass block 2 assembled on the housing 1; an assembling space 11 for assembling the mass block 2 is arranged in the shell 1; the utility model also comprises an assembling bolt 3, and the mass block 2 and the shell 1 are assembled through the assembling bolt 3; compared with the common dynamic vibration absorber in the current market, the number of parts is reduced, so that the assembly process of the utility model is simpler; meanwhile, the whole space occupation of the utility model is lower, the assembly of the utility model is convenient, and the utility model can be suitable for more assembly environments.
In the present embodiment, the bottom of the housing 1 is provided with an assembly opening 12 for the mass 2 to enter the assembly space 11; the top of the mass block 2 is provided with an assembly screw hole 21 matched with the assembly bolt 3, the top of the corresponding shell 1 is provided with a through hole 13, and the assembly bolt 3 passes through the through hole 13 to be matched with the assembly screw hole 21 of the mass block 2; the mass block 2 is assembled through the arrangement of the assembly screw holes 21, the through holes 13 and the assembly bolts 3; meanwhile, the arrangement of the assembly space 11 provides a space for the mass block 2, and the assembly space 11 has the protection effect on the mass block 2 and prevents the mass block 2 from being damaged as much as possible.
In this embodiment, the assembly bolt includes a bolt head 31 and a screw rod 32, the diameter of the bolt head 31 is larger than that of the screw rod 32, and one end of the screw rod 32 is connected with the bolt head 31; the bolt head 31 has a diameter larger than the inner diameter of the through hole 13; the screw rod 32 is sleeved with a limit rubber 4, and one end of the limit rubber 4 is abutted against the head 31 of the bolt; the other end of the limiting rubber 4 is abutted to the top of the mass block 2 when the assembly bolt 3 is matched with the assembly screw hole 21 of the mass block 2; through the setting of spacing rubber 4 for the quality piece 2 is after accomplishing the assembly, and there is certain clearance at the top of quality piece 2 and the top of assembly space 11, prevents as far as possible that interference from appearing between the top of quality piece 2 and the top of assembly space 11.
In the present embodiment, a rubber member 5 is included, the rubber member 5 including a fitting portion 51 and a mounting portion 52; a matching space 511 is arranged in the matching part 51, and the mass block 2 is positioned in the matching space 511 and is wrapped by the matching part 51; the mounting parts 52 are distributed on the outer surface of the matching part 51 and extend outwards; the housing 1 is provided with a mounting hole 14 which is matched with the mounting part 52; the matching part 51 is provided with a matching opening 512 corresponding to the matching screw hole 21, and the matching bolt 3 passes through the through hole 13 and the matching opening 512 to be matched with the matching screw hole 21 of the mass block 2; the limit rubber 4 passes through the matching opening 512 to be abutted against the top of the mass block 2; vibration energy is absorbed and slowed down through the arrangement of the rubber piece 5, the mass block 2 is wrapped through the matching part 51, and then the connection between the rubber piece 5 and the shell 1 is realized through the mounting part 52.
In this embodiment, the mounting portion 52 is columnar, one end of the mounting portion 52 is connected to the outer surface of the mating portion 51, and the other end of the mounting portion 52 is mated with the mounting hole 14; each of the mounting portions 52 is parallel to each other and at the same level, so that the rubber member 5 can better and more uniformly bear, absorb and slow down vibration energy, and the vibration absorbing effect is improved.
In this embodiment, the fitting portion 51 is provided with mounting portions 52 on both left and right sides, and the lengths of the mounting portions 52 are identical; further, the rubber piece 5 can better and more uniformly bear, absorb and slow down vibration energy, and the vibration absorption effect is improved; the width of the fitting portion 51 is uniform throughout; the width of each part inside the assembly space 11 is consistent, and the width of the matching part 51 is smaller than the internal width of the assembly space 11, so that a certain gap exists between the side surface of the matching part 51 and the side wall of the assembly space 11, and interference between the side surface of the matching part 51 and the side wall of the assembly space 11 is prevented as much as possible.
In the present embodiment, the mounting portion 52 is provided with a mounting stopper at an end thereof remote from the fitting portion 51; the mounting block adopts rubber and comprises a first block 521 and a second block 522, and the diameters of the first block 521 and the second block 522 are larger than the inner diameter of the mounting hole 14; a mounting gap 523 is arranged between the first stop block 521 and the second stop block 522, and the diameter of the mounting gap 523 corresponds to the inner diameter of the mounting hole 14; by the arrangement of the mounting stopper, the fitting of the mounting portion 52 with the mounting hole 14 is achieved, so that the rubber member 5 is fitted to the housing 1.
In the embodiment, an outwards extending assembly plate 15 is arranged at the position, corresponding to the assembly opening 12, of the shell 1, a fixing screw hole 16 is arranged on the assembly plate 15, and connection with a vehicle body is realized through cooperation of a bolt and the fixing screw hole 16; the connection of the utility model with the vehicle body is realized by the arrangement of the assembly plate 15; meanwhile, as the assembly plate 15 is arranged at the position of the shell 1 corresponding to the assembly opening 12, after the assembly plate is connected with the automobile body, the automobile body can shield the assembly opening 12 of the assembly space 11, so that the number of parts is reduced, the assembly process of the assembly plate is simpler, and the assembly plate is convenient to assemble.
In this embodiment, the mass block 2, the fitting portion 51 and the fitting space 11 are axisymmetric, and their symmetry axes are on the same straight line; the whole structure of the utility model is more uniform, which is beneficial to improving the vibration absorbing effect; in the present embodiment, the mass 2, the fitting portion 51, the fitting space 511, and the fitting space 11 each have a quadrangular prism shape.
In this embodiment, the diameter of the stopper rubber 4 is smaller than the inner diameter of the passing hole 13; when the mass block 2, the rubber piece 5 and the shell 1 are assembled, the distance between the screw rod 32 and the inner wall of the through hole 13 is 5mm, the distance between the top of the mass block 2 and the assembly space 11 is 5mm, and the distance between the top of the shell 1 and the bolt head 31 is 5mm; further, interference generated in the working process of the vibration absorber is avoided as much as possible, and the vibration absorbing effect of the vibration absorber is influenced; it should be noted that, when the assembly environment and the vibration absorbing requirement are different, the distance between the screw 32 and the inner wall of the through hole 13, the distance between the top of the mass 2 and the assembly space 11, and the distance between the top of the housing 1 and the bolt head 31 may be changed according to practical situations.
It should be noted that other technical solutions of the present utility model belong to the prior art, and are not described in detail.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the concept of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.
Claims (10)
1. The novel dynamic vibration absorber is characterized by comprising a shell connected with a vehicle body and a mass block assembled on the shell; an assembly space for assembling the mass block is arranged in the shell; the mass block and the shell are assembled through the assembly bolts.
2. The novel dynamic vibration absorber according to claim 1, wherein the bottom of the housing is provided with an assembly opening for the mass to enter the assembly space; the top of the mass block is provided with an assembly screw hole matched with an assembly bolt, the top of the corresponding shell is provided with a through hole, and the assembly bolt passes through the through hole to be matched with the assembly screw hole of the mass block.
3. The novel dynamic vibration absorber according to claim 2, wherein the assembly bolt comprises a bolt head and a screw rod, the diameter of the bolt head is larger than that of the screw rod, and one end of the screw rod is connected with the bolt head; the diameter of the bolt head is larger than the inner diameter of the through hole; the screw is sleeved with limiting rubber, and one end of the limiting rubber is abutted against the head of the bolt; the other end of the limiting rubber is abutted to the top of the mass block when the assembly bolt is matched with the assembly screw hole of the mass block.
4. A novel dynamic vibration absorber according to claim 3, comprising a rubber member including a fitting portion and a mounting portion; the matching part is internally provided with a matching space, and the mass block is positioned in the matching space and is wrapped by the matching part; the mounting part is arranged on the outer surface of the matching part and extends outwards; the shell is provided with a mounting hole matched with the mounting part; the matching part is provided with a matching opening corresponding to the matching screw hole, and the matching bolt passes through the through hole and the matching opening to be matched with the matching screw hole of the mass block; the limit rubber passes through the matching opening and is abutted to the top of the mass block.
5. The novel dynamic vibration absorber according to claim 4, wherein the mounting portion is columnar, one end of the mounting portion is connected with the outer surface of the fitting portion, and the other end of the mounting portion is fitted with the mounting hole; the mounting portions are parallel to each other.
6. The novel dynamic vibration absorber according to claim 5, wherein the fitting portion is provided with mounting portions on both left and right sides thereof, and the lengths of the mounting portions are identical; the width of each part of the matching part is consistent; the width of the assembly space is uniform throughout.
7. The novel dynamic vibration absorber according to claim 6, wherein an end of the mounting portion away from the fitting portion is provided with a mounting stopper; the mounting stop block adopts rubber and comprises a first stop block and a second stop block, and the diameters of the first stop block and the second stop block are larger than the inner diameter of the mounting hole; and a mounting gap is arranged between the first stop block and the second stop block, and the diameter of the mounting gap corresponds to the inner diameter of the mounting hole.
8. The novel dynamic vibration absorber according to claim 2, wherein the housing is provided with an outwardly extending mounting plate corresponding to the mounting opening, and the mounting plate is provided with a fixing screw hole, and the connection with the vehicle body is achieved by the cooperation of the bolt and the fixing screw hole.
9. The novel dynamic vibration absorber of claim 6, wherein the width of the mating portion is smaller than the inner width of the fitting space.
10. The novel dynamic vibration absorber of claim 9, wherein the mass block, the fitting portion and the fitting space are all axisymmetric, and the symmetry axes of the mass block, the fitting portion and the fitting space are on the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323120015.5U CN220980225U (en) | 2023-11-20 | 2023-11-20 | Novel dynamic vibration absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323120015.5U CN220980225U (en) | 2023-11-20 | 2023-11-20 | Novel dynamic vibration absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220980225U true CN220980225U (en) | 2024-05-17 |
Family
ID=91057578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323120015.5U Active CN220980225U (en) | 2023-11-20 | 2023-11-20 | Novel dynamic vibration absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220980225U (en) |
-
2023
- 2023-11-20 CN CN202323120015.5U patent/CN220980225U/en active Active
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