CN204267564U - A kind of bloop reducing automobile braking noise - Google Patents
A kind of bloop reducing automobile braking noise Download PDFInfo
- Publication number
- CN204267564U CN204267564U CN201420685550.7U CN201420685550U CN204267564U CN 204267564 U CN204267564 U CN 204267564U CN 201420685550 U CN201420685550 U CN 201420685550U CN 204267564 U CN204267564 U CN 204267564U
- Authority
- CN
- China
- Prior art keywords
- bloop
- aperture
- brake lining
- noise
- automobile
- 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
- 230000009467 reduction Effects 0.000 claims abstract description 17
- 229920001971 elastomer Polymers 0.000 claims description 15
- 239000005060 rubber Substances 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 14
- 239000002131 composite material Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 11
- 230000003584 silencer Effects 0.000 abstract description 11
- 238000012549 training Methods 0.000 abstract description 3
- 230000007812 deficiency Effects 0.000 abstract description 2
- 238000013016 damping Methods 0.000 description 17
- 230000000694 effects Effects 0.000 description 7
- 239000004519 grease Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 229920000297 Rayon Polymers 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 238000009828 non-uniform distribution Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000005097 cold rolling Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000002783 friction material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- CVOFKRWYWCSDMA-UHFFFAOYSA-N 2-chloro-n-(2,6-diethylphenyl)-n-(methoxymethyl)acetamide;2,6-dinitro-n,n-dipropyl-4-(trifluoromethyl)aniline Chemical compound CCC1=CC=CC(CC)=C1N(COC)C(=O)CCl.CCCN(CCC)C1=C([N+]([O-])=O)C=C(C(F)(F)F)C=C1[N+]([O-])=O CVOFKRWYWCSDMA-UHFFFAOYSA-N 0.000 description 1
- 241001269238 Data Species 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 210000001320 hippocampus Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model requires high deficiency for the bloop of prior art structure and automobile brake lining plate matching technique, a kind of bloop of reduction automobile braking noise of new structure is provided, it comprises the bloop body of sheet, described bloop body is provided with aperture, not only structure is simple to adopt the silencer of this bloop structure, and require low to the matching technique of bloop and automobile brake lining plate, those of ordinary skill just can adjust bloop according to the actual demand of client through simple training, reaches predetermined noise reduction.
Description
Technical field
The utility model relates to a kind of bloop reducing automobile braking noise.
Background technique
In automobile brake lining plate field, in order to solve the problem of automobile brake lining plate at braking process generation noise, generally all can at the riveted joint of the back side of automobile brake lining plate and/or bonding one deck bloop.Traditional bloop is metallic composite, usually by layer of metal cold-reduced sheet as substrate, sulfuration process is passed through at the upper surface one of the cold rolling base board of metal, be attached with one deck rubber layer, one deck viscose glue is adhered to again above the rubber layer of wherein, the shape that bloop sheet material goes out to need by metal cool-press technique stamping-out, combines riveted joint by viscose glue or is bonded in the back side of automobile brake lining plate.By changing bloop rubber layer thickness, using the thickness of different rubber materials and the cold rolling base board of adjustment metal, change automobile brake lining plate damping characteristic and eigen frequency, reach the object reducing automobile brake noise.At present, by changing bloop bondline thickness, material and metal Cold Rolled Plate Thickness, the method improving the automobile brake noise of different size still by Europe, the United States, day producer use in a large number, by the bloop specifications and models that himself is abundant, establish the noise reduction experimental data base of all size model bloop for specific brake lining eigen frequency.They have accumulated rich experience in noise reduction and noise matching technique.For different automobile brake lining plate structures and eigen frequency, select the bloop of the different trade mark to improve the noise of automobile brake lining plate targetedly.And Current Domestic automobile brake lining plate bloop manufacturing firm has just risen, the specifications and models of the automobile bloop produced are more single, and single bloop product specification can not solve miscellaneous automobile brake noise problem.Domestic manufacturer in this technical field not strong competitive capacity, causes the automobile brake lining plate of domestic top grade can only select the product of Europe, the United States, Japanese automobile brake lining bloop producer, improves our automobile brake noise at short notice.The technology barriers that Foreign Automobile brake lining bloop manufacturer causes in this field to China, hinder the development of China's automobile brake lining plate bloop industry.In addition, existing bloop changes the damping of automobile brake lining plate and eigen frequency by the adjustment rubber layer thickness of bloop and the thickness of metal cold-reduced sheet, the corresponding different rubber layer of automobile brake lining plate of often kind of specification and the thickness of cold-reduced sheet, so cause brake lining specification many, do not have a large amount of laboratory datas to be difficult to obtain the bloop of excellent noise reduction effect, bring great obstruction to the supply of bloop.
Model utility content
The purpose of this utility model is to require high deficiency for the bloop of prior art structure and automobile brake lining plate matching technique, a kind of bloop of reduction automobile braking noise of new structure is provided, not only structure is simple to adopt the silencer of this bloop structure, and require low to the matching technique of bloop and automobile brake lining plate, those of ordinary skill just can adjust bloop according to the actual demand of client through simple training, reaches predetermined noise reduction.
For achieving the above object, following technological scheme is adopted to solve technical problem of the present utility model:
Reduce a bloop for automobile braking noise, comprise the bloop body of sheet, described bloop body is provided with aperture;
Described aperture is through hole;
Described aperture is blind hole;
Described bloop body is by the composite board having flexible sheet metal and rubber layer and be composited;
The thickness of described bloop body is 0.4-0.5mm;
The center of circle of the aperture of described bloop body on same circumference f, each aperture of described bloop body with the center of circle of circumference f for symmetric points are symmetrical.
Adopt the bloop of the reduction automobile braking noise of the utility model structure, bloop body is provided with aperture, by adjusting damping and the eigen frequency of the size and number adjustment automobile brake lining plate of aperture, the specification of the bloop of the aperture being provided with varying number and size and motor-driven brake lining is made to carry out adaptation, thus reduce the brake noise of automobile braking liner, and the thickness of bloop body is relatively fixing, so only need the bloop of corresponding a kind of specification for the automobile braking liner of different size, damping and the eigen frequency of automobile braking liner just can be changed by adjusting little hole number on the bloop of this specification and size, therefore bloop, automobile braking liner specification is few, easy coupling, what those of ordinary skill just can complete automobile braking liner and bloop through simple training mates work.
Accompanying drawing explanation
Fig. 1 is the bloop example structure schematic diagram that the utility model reduces automobile braking noise;
Fig. 2 is another example structure schematic diagram of bloop that the utility model reduces automobile braking noise;
Fig. 3 is the utility model bloop body embodiments structural representation;
Fig. 4 is the A direction view of Fig. 1;
Fig. 5 is the A direction view of another embodiment Fig. 1 of the utility model bloop;
Fig. 6 is the silencer example structure schematic diagram adopting bloop of the present utility model to form;
Fig. 7 is the silencer structural representation adopting the bloop of another embodiment of the utility model to form;
Fig. 8 is the silencer using state schematic diagram adopting bloop of the present utility model to form.
Description of reference numerals
1-brake piston 2-cover plate 3-bloop body 4-brake lining backboard 5-brake lining friction material 6-damping grease 7-aperture 8-rubber layer 9-sheet-metal layers 10-viscose glue.
Embodiment
Adopt the silencer of the utility model structure bloop can be widely used in the place that the noise reduction of automobile braking liner, motor car engine, generator etc. produce noise, noise reduction and damping are carried out to motor car engine etc.
Below for automobile brake lining plate silencer and reduce automobile brake noise method the utility model is described in further detail:
As depicted in figs. 1 and 2, the automobile brake lining plate bloop of the present embodiment structure, comprises bloop body 3, and bloop body 3 arranges at least two apertures 7.Aperture 7 can be through hole, also can be blind hole.As shown in Figure 1, preferred aperture 7 is through hole.
As shown in Figures 4 and 5, preferred aperture 7 is at least 4, and the center of circle of each aperture 7 is positioned at same circumference f.As shown in Figure 4, each aperture 7 can be uniformly distributed, and as shown in Figure 5, each aperture also can non-uniform Distribution, when each aperture non-uniform Distribution, the aperture of non-uniform Distribution with the center of circle of circumference f for symmetric points are symmetrical arranged.Such setting, can improve the sound-deadening and noise-reducing effect of bloop.
No matter aperture 7 is through hole or blind hole, and upper and lower two surfaces of bloop 3 are all smooth, are beneficial to and fit tightly with the faying surface of brake lining backboard 4 and brake piston 1.
Bloop material and structure can adopt material and the structure of prior art bloop.
As shown in Figure 3, preferred bloop is metallic composite, total thickness is 0.6-1.0mm, it is by having flexible sheet-metal layers 9 and rubber layer 8 is composited, sheet metal preferable alloy cold-reduced sheet substrate, its thickness is 0.4-0.5mm, and rubber layer 8 is high temperature resistant, resistance to braking fluid, impact-resistant nitrile butadiene rubber class preferably.Rubber layer 8 can be arranged on a surface of sheet-metal layers 9, also can be arranged on two surfaces of sheet-metal layers 9.Rubber layer 8 is all set on two surfaces of sheet-metal layers 9 and can plays better erasure effect.
When using as schemed, damping grease 6 being set in bloop, when aperture 7 is through hole, needing a surface of bloop that cover plate 2 is set, composition silencer.
Aperture 7 on bloop 3 is designed to blind hole, or the surface when aperture is through hole at bloop arranges cover plate 2, can change the damping characteristic of brake lining.
As shown in Figure 4 and Figure 5, when using this silencer, silencer is arranged between brake piston 1 and brake lining backboard 4, when the aperture that bloop body is arranged is blind hole, the foraminate surface that arranges of bloop body 3 is called surface one and arranges towards brake lining backboard 4.On the surface one of bloop body 3, viscose glue 10 is set, the surface one of bloop body 3 is fixedly connected on brake lining backboard 4, the position arranging aperture 7 of bloop body is positioned at immediately below brake piston 1 effectively contacts with bloop 3, riveted joint can be adopted to be fixedly connected with by bloop brake lining backboard 4 in conjunction with bonding mode, directly bonding mode also can be adopted to be fixedly connected with brake lining backboard 4 by bloop body 3.When aperture 7 is through hole, cover plate 2 is set on the surface two of bloop body 3.Cover plate 2 is positioned at brake piston side, bloop body is positioned at brake liner plate side.The mating shapes of preferred cover plate 2 and bloop body 3.Brake lining friction material 5 is positioned at the other end of brake lining backboard 4.
In order to strengthen erasure effect, in aperture, inject damping grease 6.
Aperture 7 is arranged to blind hole or on the bloop body 3 being provided with logical aperture 7, arranges cover plate 2 both to have played the effect changing damping, also can prevent the damping grease 6 injected in aperture 7 from overflowing when injecting damping grease 6 in aperture.In addition, cover plate is set on the surface two of the bloop body arranging logical aperture 7, cover plate can with aperture 7 in be provided with the noise reduction body sheet acting in conjunction of damping grease, play the effect strengthening viscous damping.
When rubber layer 8 is bondd with brake lining, uniform high pressure need be applied to rubber layer and brake lining, thus silencer is bonded in brake lining.
When carrying out noise reduction to automobile braking liner, adopt following principle: the noise of brake lining is larger, the quantity of aperture is also more, the diameter of aperture is larger, namely passes through the quantity of change bloop, pore size and arrangement mode, changes the damping capacity of vibration damping sheet, thus change the inherent feature frequency of automobile brake lining plate, effectively avoid when skidding, brake lining is overlapping with the natural frequency of brake disc, reduces brake noise.
When carrying out noise reduction to brake lining, aperture on bloop body is positioned at immediately below brake piston, make aperture just to the end face of brake piston, noise reduction can be improved like this, on the circumference e that the center line that preferably center of circle of each aperture is positioned at the annular radii of brake piston is formed, such erasure effect is best.For the brake lining of different size, adopt following principle to realize noise reduction: when the decibel value of brake noise is higher, the quantity of aperture 7 is more, and little pore size distribution is more intensive; The frequency of brake noise is larger, and small aperture is larger, the abundance in hole is more.
The processing of aperture is very simple, disposable by hole and the direct impact briquetting of external form when vibration damping sheet impact briquetting.
The shape of aperture can be the arbitrary shapes such as circular, square, rhombus.The circumference of each little pore size distribution and adjusting depending on the size of brake noise and frequency at distributing position circumferentially, but follow a unified principle, be exactly, each aperture is preferably uniformly distributed, if some aperture right and wrong is equally distributed, then this aperture must be arranged in pairs, and with the center of circle of brake piston for symmetric points are symmetrical, as shown in Figure 6.The circle of the center of circle formation of each aperture, its diameter equals 1/2nd of external diameter and internal diameter sum.
Preferably, cover plate is stainless steel, and thickness between 0.3-0.5mm, and through Overheating Treatment, makes its surface have enough hardness and enough elasticity, and preferred cover plate and automobile brake lining plate backboard are fixed by snap fit and be connected.The hardness of cover plate is preferably greater than and equals HV220, and preferred tensile strength sigma b is for being more than or equal to 750MPa.
Table 1 is the hole diameter of different size brake lining bloop used, quantity and the brake piston size table of comparisons
Table 2 is the application example of the bloop body of the different hole count of hippocampus M3 automobile front brake liner, according to the result that SAEJ2521 standard is tested at noise test platform.As can be seen from the table, use with a bloop, increase hole count and effectively can improve brake noise, evaluate when 8 holes are uniform and add up to 9.1 points, reach the usage requirement that main frame is supporting.
Claims (6)
1. reduce a bloop for automobile braking noise, comprise the bloop body (3) of sheet, it is characterized in that, described bloop body (3) is provided with aperture (7).
2. the bloop reducing automobile braking noise as claimed in claim 1, it is characterized in that, described aperture (7) is through hole.
3. the bloop reducing automobile braking noise as claimed in claim 1, it is characterized in that, described aperture (7) is blind hole.
4. the as claimed in claim 1 bloop reducing automobile braking noise, is characterized in that, described bloop body is by the composite board having flexible sheet metal and rubber layer and be composited.
5. the bloop of the reduction automobile braking noise as described in one of as every in claim 1-4, it is characterized in that, the thickness of described bloop body is 0.4-0.5mm.
6. the bloop of the reduction automobile braking noise as described in one of as every in claim 1-4, is characterized in that, the center of circle of the aperture of described bloop on same circumference f, each aperture of described bloop with the center of circle of circumference f for symmetric points are symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420685550.7U CN204267564U (en) | 2014-11-14 | 2014-11-14 | A kind of bloop reducing automobile braking noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420685550.7U CN204267564U (en) | 2014-11-14 | 2014-11-14 | A kind of bloop reducing automobile braking noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204267564U true CN204267564U (en) | 2015-04-15 |
Family
ID=52802435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420685550.7U Expired - Fee Related CN204267564U (en) | 2014-11-14 | 2014-11-14 | A kind of bloop reducing automobile braking noise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204267564U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455098A (en) * | 2014-11-14 | 2015-03-25 | 洪建栋 | Method for reducing braking noise of motor vehicle and noise reducing device using same |
-
2014
- 2014-11-14 CN CN201420685550.7U patent/CN204267564U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455098A (en) * | 2014-11-14 | 2015-03-25 | 洪建栋 | Method for reducing braking noise of motor vehicle and noise reducing device using same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204267563U (en) | Reduce the silencer of automobile braking noise | |
| CN104455098A (en) | Method for reducing braking noise of motor vehicle and noise reducing device using same | |
| EP2422903A3 (en) | Carbon fiber composite material and method of producing the same, formed product of carbon fiber composite and method of producing the same, carbon fiber-metal composite material and method of producing the same, and formed product of carbon fiber-metal composite and method of producing the same | |
| CN204267564U (en) | A kind of bloop reducing automobile braking noise | |
| MY145840A (en) | Chromate-free resin-composite vibration deadening material | |
| DE202015106011U1 (en) | Piston with phase-shifted mode | |
| CN202883864U (en) | Improved automobile radiator shock pad | |
| CN206159335U (en) | Corrugation structure powder metallurgy brake pad's friction disc | |
| CN104832581B (en) | The spaced concavo-convex spline tubular rubber shock absorber for expanding change layer | |
| CN203144849U (en) | Vibration reduction base plate of V-shaped air spring structure | |
| CN2839704Y (en) | Vibrating reducing screw bolt | |
| CN104633049B (en) | Stacked variable tooth thickness gear | |
| CN202021150U (en) | Flywheel lopsided device for vibrating screen | |
| CN206054469U (en) | A kind of service tee | |
| CN107448389A (en) | Rotary compressor base and rotary compressor and refrigeration plant | |
| CN208822036U (en) | A kind of cabinet slab | |
| CN204153035U (en) | Compounded rubber backstop | |
| CN202560749U (en) | Bolt for automobile | |
| CN202541252U (en) | Bracket for automobile air-conditioning compressor | |
| CN203901863U (en) | Polyurethane-rubber compound plate structure | |
| CN202879569U (en) | Syntony block assembly on steering wheel | |
| CN206012724U (en) | The car body right vertical beam of the first denoising device, the second denoising device and energy noise reduction | |
| CN104595459B (en) | A kind of composite deflection gear | |
| CN207278764U (en) | A kind of abnormity piston lever of reducer | |
| CN203784190U (en) | Vibration isolator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG WANSAI AUTO PARTS CO., LTD. Free format text: FORMER OWNER: HONG JIANDONG Effective date: 20150529 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150529 Address after: Zhongxing Road, Pujiang County, Zhejiang Province Huang Town 322204 Jinhua City No. 11 Patentee after: ZHEJIANG WANSAI AUTO PARTS CO., LTD. Address before: Zhongxing Road, Pujiang County, Zhejiang Province Huang Town 322204 Jinhua City No. 11 Patentee before: Hong Jiandong |
|
| 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: 20150415 Termination date: 20181114 |