CN203946044U - A kind of adjustable resonance piece - Google Patents
A kind of adjustable resonance piece Download PDFInfo
- Publication number
- CN203946044U CN203946044U CN201420258461.4U CN201420258461U CN203946044U CN 203946044 U CN203946044 U CN 203946044U CN 201420258461 U CN201420258461 U CN 201420258461U CN 203946044 U CN203946044 U CN 203946044U
- Authority
- CN
- China
- Prior art keywords
- mass
- adjustable
- piece
- base plate
- attaching parts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses a kind of adjustable resonance piece, comprise round pie and coaxial base plate attaching parts, mass, the elastomeric element connecting; Described base plate attaching parts is round pie, and the place, axle center, bottom surface of described base plate attaching parts is provided with the first bolt, and described the first bolt is used for connecting auto parts and components; Described mass sole mass is adjustable; Described elastomeric element simultaneously connects the end face of described base plate attaching parts, and another side connects described mass.A kind of adjustable resonance piece described in the utility model, structure is more simple and regular, is therefore convenient to processing, is also convenient to install and use; Because base plate attaching parts is connected disc with mass by round pie rubber, area of contact is larger, connects also comparatively firm; Elastomeric element shape and connection mode rule, so the rigidity of resonance piece is easy to control.
Description
Technical field
The utility model relates to a kind of adjustable resonance piece, belongs to automobile and parts manufacturing technology field thereof.
Background technology
Along with the fast development of modern automobile industry, people have had higher requirement to the traveling comfort of automobile, at automobile manufacturing field, NVH(Noise, Vibration, Harshness) be the leading indicator of the measurement car comfort of generally acknowledging.And the related resonance piece of the utility model is more passive a kind of for improving the technological means of car load NVH in automobile research and development: after car load has assembled, it is carried out to NVH test, if find that certain parts resonates under certain frequency, cause car load NVH deterioration, shake and noise larger, can develop packaged being fitted on these parts of resonance of a same frequency, to reach the object of improving car load NVH.But, for the resonance piece of a same frequency of certain auto parts and components exploitation, conventionally need the bimestrial time, and need to develop different resonance pieces for different resonance frequencys; Therefore, no matter be in time or on cost, the resonance piece using in prior art is all difficult to meet car load manufacturing enterprise and customer's requirement.
Notification number is that the Chinese patent literature of CN 202728131 U discloses a kind of assembly type resonance piece, its structure comprises base, by rubber strip, is flexibly connected Connection Block on base, by bolt, is removably connected to the resonance piece on Connection Block, and between Connection Block and base, have can be for the gap of the two relative motion.Although this technical scheme can realize intending the Rapid matching of the required resonance piece of noise reduction soruce of vibration by join the resonance piece of different quality in vibration source position trial assembly, shortens car load NVH time-to-market; But still there is certain deficiency: first, structure is still comparatively complicated, is not only not easy to processing, is also not easy to install and use; Secondly, base is connected sidewall with Connection Block by rubber strip, during vibration, Connection Block and base are done reciprocal relative motion between both gaps, rubber strip is subject to tearing the effect of peeling off (as shown in hereinafter accompanying drawing 4), above-mentioned application force is stronger for the stripping damage effect of rubber strip, and the situation that Connection Block and base come off easily occurs in Long-term Vibration process; Again, shape of rubber strips and connection mode are irregular, therefore the rigidity of resonance piece is not easy to control, can only regulate resonant frequency by changing the quality of resonance piece, therefore require the mass range of resonance piece larger, when the resonance piece quality requiring is too small or when excessive, this assembly type resonance piece is all difficult to be competent at---the quality of base itself has determined the quality lower limit of assembly type resonance piece, and resonance piece quality is crossed conference and further increased the risk that Connection Block and base come off.
Utility model content
The deficiency that the utility model exists for prior art just, a kind of adjustable resonance piece is provided, can reduce development time and the cost of resonance piece, thereby reduce improving cost and shortening its duty cycle of car load NVH, and can overcome in prior art that assembly type resonance block structure is complicated, structure built on the sand, the limited defect of setting range.
For addressing the above problem, technical solution adopted in the utility model is as follows:
An adjustable resonance piece, comprising:
For resonance piece is installed to the base plate attaching parts on auto parts and components, described base plate attaching parts is round pie, and the place, axle center, bottom surface of described base plate attaching parts is provided with the first bolt, and described the first bolt is used for connecting auto parts and components;
For regulating the mass of resonance piece quality, described mass sole mass is adjustable, and described mass is also round pie;
For changing the elastomeric element of resonance piece rigidity, described elastomeric element is also round pie, and described elastomeric element simultaneously connects the end face of described base plate attaching parts, and another side connects described mass, and described base plate attaching parts, mass and elastomeric element are coaxial.
End face described herein and bottom surface refer to respectively each assembly one side upward and one side down in Figure of description 1, lower same.The advantage of said structure is: first, elastomeric element is by adopting different diameters and thickness can make resonance piece have different rigidity; Secondly, base plate attaching parts, mass, elastomeric element are coaxially connected with and are beneficial to the conformability that guarantees each position Joint strenght, avoid occurring connecting weak location, thereby improve integrated connection intensity.
As the improvement of technique scheme, described elastomeric element is rubber, and described base plate attaching parts and described mass are connected and fixed by the described vulcanization of rubber.
In described structure, rubber has not only played the effect that changes resonance piece rigidity, and base plate attaching parts and mass can be connected and fixed by sulphurization, thereby reduced the use of other connection fixture or adhesive, a kind of integral structure of adjustable resonance piece is more simplified, and base plate attaching parts and mass are connected firmly.
As the improvement of technique scheme, described mass comprises body mass and mass-adjustable piece, and described body mass is fixedly connected with described base plate attaching parts by described rubber, and described mass-adjustable piece is flexibly connected with described body mass.
Said structure is a kind of preferred mass quality adjustment mode, mass is divided into two parts, a part is fixedly attached on rubber, another part can be dismantled easily and change, so that the adjusting of quality, adopt this structure all to change rubber and carry out sulphurization when not needing the quality of each quality of regulation piece.
As the improvement of technique scheme, described body mass is provided with the first screw, and the one side that described mass-adjustable piece connects described body mass is provided with bolt, and the another side of described mass-adjustable piece is provided with the second screw.
Described structure makes body mass and mass-adjustable piece stable connection, can not cause because of vibration the getting loose of body mass and mass-adjustable piece, separated, and mass-adjustable piece has overlaying structure: by bolt, coordinate the mass-adjustable piece that the first screw is connected with body mass also can connect other mass-adjustable piece by the second screw, thereby be more convenient to the quality adjustment of mass.
Compared with prior art, implementation result of the present utility model is as follows for the utility model:
A kind of adjustable resonance piece described in the utility model, by the adjustable structure of design resonant frequency, make resonance piece there is certain commonality, thereby can develop in advance and produce the resonance piece of certain batch, after car load NVH test, can be rapidly by combination, regulate the match resonance piece of frequency of selection to be installed on corresponding auto parts and components; The utility model is for the quality being used in combination and change resonance piece, to realize the adjusting of resonance piece resonant frequency by the resonance piece of design different-stiffness particularly; Thereby greatly reduce development time and the cost of resonance piece, improved and improved the operating efficiency of car load NVH and reduced cost.
In addition, with respect to notification number, be the disclosed assembly type resonance of the patent documentation piece of CN 202728131 U, a kind of adjustable resonance piece described in the utility model also has the following advantages: first, structure is more simple and regular, therefore be convenient to processing, be also convenient to install and use; Secondly, when auto parts and components are during along the axial vibration of resonance piece (this structure is preferably mounting means of resonance piece), base plate attaching parts and mass are done reciprocal relative motion, rubber is compressed and stretching action (as shown in hereinafter accompanying drawing 3), compare and tear the effect of peeling off (as shown in hereinafter accompanying drawing 4), compression and stretching action for rubber peel off effect a little less than; Even and if auto parts and components are perpendicular to the axial vibration of resonance piece, mass generation rocking vibration, rubber is subject to tearing the effect of peeling off (as shown in hereinafter accompanying drawing 4), because base plate attaching parts is connected disc with mass by round pie rubber, area of contact is larger, connects also comparatively firm; Again, elastomeric element shape and connection mode rule, therefore the rigidity of resonance piece is easy to control, can regulate resonant frequency by quality and the rigidity of comprehensive change resonance piece, therefore the quality adjustment amplitude of resonance piece can be controlled in OK range, avoid occurring that resonance piece requirement quality, lower than the situation of base plate attaching parts, elastomeric element, body mass three quality summation, can not require resonance piece quality excessive yet, thus the risk that reduction base plate attaching parts and body mass come off; The 4th, the related assembly of a kind of adjustable resonance piece is cylindrical (being round pie mentioned above) of rule, therefore controlling dimension, specification, thereby be convenient to batch manufacturing, can know the array mode that the resonance piece of required resonant frequency can adopt by calculating, thereby greatly shortened the cycle of operations that trial assembly is joined, significantly improved the work efficiency that improves car load NVH.
Accompanying drawing explanation
Fig. 1 is a kind of adjustable resonance block structure schematic diagram described in the utility model;
Fig. 2 is a kind of adjustable resonance piece generalized section described in the utility model;
Fig. 3 is compression described in the utility model and stretching action schematic diagram;
Fig. 4 is that described in the utility model tearing peeled off effect schematic diagram.
The specific embodiment
Content of the present utility model is described below in conjunction with specific embodiments.
As depicted in figs. 1 and 2, be a kind of adjustable resonance block structure schematic diagram described in the utility model.A kind of adjustable resonance piece described in the utility model, comprise: for resonance piece being installed to the base plate attaching parts 1 on auto parts and components, described base plate attaching parts 1 is round pie, the place, axle center, bottom surface of described base plate attaching parts 1 is provided with the first bolt 11, and described the first bolt 11 is for connecting auto parts and components; For regulating the mass of resonance piece quality, described mass sole mass is adjustable, and described mass is also round pie; For changing the rubber 2 of resonance piece rigidity, described rubber 2 is also round pie, and described rubber 2 connects the end face of described base plate attaching parts 1 by sulfuration one side, and another side connects described mass, and described base plate attaching parts 1, mass and rubber 2 are coaxial.Described mass comprises the body mass 3 of round pie and the mass-adjustable piece 4 of round pie, and described body mass 3 is fixedly connected with described base plate attaching parts 1 by described rubber 2, and described mass-adjustable piece 4 is coaxially flexibly connected with described body mass 3.The one side that described body mass 3 connects described mass-adjustable piece 4 is provided with the first screw 31, and the one side that described mass-adjustable piece 4 connects described body mass 3 is provided with the second bolt 41, and the another side of described mass-adjustable piece 4 is provided with the second screw 42.
As shown in the table, adopting rigidity is the rubber of 100 N/m, and when only using the body mass of 50 g, the resonant frequency of resonance piece is 280 Hz; The mass-adjustable piece of 10 g of increase first resonant frequency is 256 Hz; The mass-adjustable piece that increases again 20 g second resonant frequency is 222 Hz; Three resonant frequencys of mass-adjustable piece that increase again 20 g are 198 Hz; Adopting rigidity is the rubber of 150 N/m, and when only using the body mass of 50 g, the resonant frequency of resonance piece is 344 Hz; The mass-adjustable piece of 10 g of increase first resonant frequency is 314 Hz; The mass-adjustable piece that increases again 20 g second resonant frequency is 272 Hz; Three resonant frequencys of mass-adjustable piece that increase again 20 g are 243 Hz.
Described a kind of adjustable resonance piece is affixed on the auto parts and components that resonance occurs by the first bolt, thereby the resonant frequency of change parts has avoided parts and car load to resonate, and has reduced car load vibratility and noise, has improved car load NVH.
Above content is the detailed description of in conjunction with specific embodiments the utility model being done, and can not assert that the concrete enforcement of the utility model only limits to these explanations.For the utility model person of ordinary skill in the field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to the scope of the utility model protection.
Claims (4)
1. an adjustable resonance piece, is characterized in that, comprising:
For resonance piece is installed to the base plate attaching parts (1) on auto parts and components, described base plate attaching parts (1) is round pie, the place, axle center, bottom surface of described base plate attaching parts (1) is provided with the first bolt (11), and described the first bolt (11) is for connecting auto parts and components;
For regulating the mass of resonance piece quality, described mass sole mass is adjustable, and described mass is also round pie;
For changing the elastomeric element of resonance piece rigidity, described elastomeric element is also round pie, described elastomeric element simultaneously connects the end face of described base plate attaching parts (1), and another side connects described mass, and described base plate attaching parts (1), mass and elastomeric element are coaxial.
2. a kind of adjustable resonance piece as claimed in claim 1, is characterized in that, described elastomeric element is rubber (2), and described base plate attaching parts (1) and described mass are connected and fixed by described rubber (2) sulfuration.
3. a kind of adjustable resonance piece as claimed in claim 2, it is characterized in that, described mass comprises the body mass (3) of round pie and the mass-adjustable piece (4) of round pie, described body mass (3) is fixedly connected with described base plate attaching parts (1) by described rubber (2), and described mass-adjustable piece (4) is coaxially flexibly connected with described body mass (3).
4. a kind of adjustable resonance piece as claimed in claim 3, it is characterized in that, the one side that described body mass (3) connects described mass-adjustable piece (4) is provided with the first screw (31), the one side that described mass-adjustable piece (4) connects described body mass (3) is provided with the second bolt (41), and the another side of described mass-adjustable piece (4) is provided with the second screw (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420258461.4U CN203946044U (en) | 2014-05-20 | 2014-05-20 | A kind of adjustable resonance piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420258461.4U CN203946044U (en) | 2014-05-20 | 2014-05-20 | A kind of adjustable resonance piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203946044U true CN203946044U (en) | 2014-11-19 |
Family
ID=51888100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420258461.4U Expired - Fee Related CN203946044U (en) | 2014-05-20 | 2014-05-20 | A kind of adjustable resonance piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203946044U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103991416A (en) * | 2014-05-20 | 2014-08-20 | 安徽中鼎减震橡胶技术有限公司 | Adjustable resonance block |
| CN109591902A (en) * | 2018-12-28 | 2019-04-09 | 重庆长安汽车股份有限公司 | A kind of automobile resonance block structure |
-
2014
- 2014-05-20 CN CN201420258461.4U patent/CN203946044U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103991416A (en) * | 2014-05-20 | 2014-08-20 | 安徽中鼎减震橡胶技术有限公司 | Adjustable resonance block |
| CN109591902A (en) * | 2018-12-28 | 2019-04-09 | 重庆长安汽车股份有限公司 | A kind of automobile resonance block structure |
| CN109591902B (en) * | 2018-12-28 | 2021-08-06 | 重庆长安汽车股份有限公司 | Automobile resonance block structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109352563B (en) | Curved surface cover plate glass adsorbs tool | |
| CN203946044U (en) | A kind of adjustable resonance piece | |
| CN103991416A (en) | Adjustable resonance block | |
| CN209767768U (en) | Damping fixing seat for sound equipment | |
| CN105298627A (en) | Intercooler pipeline fixing structure | |
| CN203258035U (en) | Reducer input flange | |
| CN204276336U (en) | Corn cleans vibratory sieve | |
| CN204226977U (en) | A kind of portable video terminal supporting structure of indexable | |
| CN204706988U (en) | Motor shock absorption shell | |
| CN204845784U (en) | Piece that shakes is inhaled in anti -resonance for car | |
| CN204415119U (en) | A kind of automobile power assembly suspending | |
| CN203548506U (en) | Connecting piece | |
| CN203948557U (en) | A kind of MPV vehicle resonance piece | |
| CN106329811A (en) | Shock absorption shell of motor | |
| CN202518374U (en) | Installing structure of inner armrest box | |
| CN203146491U (en) | Plastic part for fastener | |
| CN207724169U (en) | Cellphone Repairs fixture clinching | |
| CN203493350U (en) | Independent suspension mechanism | |
| CN204894341U (en) | Work -clamping means | |
| CN208853883U (en) | A kind of built-up jig device | |
| CN209999348U (en) | cutting device convenient to mount | |
| CN201786893U (en) | Furniture connecting fastener and special mesh chair thereof | |
| CN219755228U (en) | Vibration reduction rubber block | |
| CN209364905U (en) | Small concrete parts shake table | |
| CN203146534U (en) | Integrated clamp nut |
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: 20141119 Termination date: 20180520 |