CN207161571U - The controllable bloop of brake noise and its connection in friction plate assembly - Google Patents

The controllable bloop of brake noise and its connection in friction plate assembly Download PDF

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Publication number
CN207161571U
CN207161571U CN201721039503.5U CN201721039503U CN207161571U CN 207161571 U CN207161571 U CN 207161571U CN 201721039503 U CN201721039503 U CN 201721039503U CN 207161571 U CN207161571 U CN 207161571U
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China
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bloop
controllable
noise
sheet metal
brake
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CN201721039503.5U
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Chinese (zh)
Inventor
王玉坤
苗蕾
陈智磊
彭刚
徐小卫
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Dongfeng Motor Corp
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Dongfeng Motor Corp
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Abstract

The utility model discloses a kind of controllable bloop of brake noise, including noise reduction sheet metal, the left and right ends of the noise reduction sheet metal are straight section and are parallel to each other, the top of the noise reduction sheet metal is arc, the bottom of the noise reduction sheet metal is provided with groove, and the upper and lower part of the noise reduction sheet metal is respectively equipped with multiple upper stationary jaws and lower stationary jaw.The invention also discloses a kind of controllable bloop of brake noise friction plate assembly connection.The utility model is used with reeded noise reduction sheet metal, thus it is possible to vary the intrinsic frequency of noise reduction sheet metal, the brake noise incidence of friction plate assembly can be reduced after being connected with friction plate assembly;The straight section that left and right ends are parallel to each other can ensure that the width of noise reduction sheet metal in the reasonable scope, and control the width of noise reduction sheet metal exactly, be easy to manufacture;Upper stationary jaw and lower stationary jaw make the controllable bloop of brake noise be easy to be assemblied on friction plate assembly, fixation.

Description

The controllable bloop of brake noise and its connection in friction plate assembly
Technical field
The utility model belongs to automobile brake technical field, the controllable bloop of specifically a kind of brake noise and its is rubbing The connection of piece assembly.
Background technology
Automobile can produce brake noise to some extent in braking procedure, influence the NHV performances of automobile and multiplying for occupant Comfortableness is sat, these brake noises include the low-frequency brake noise that frequency is less than 1000Hz, 1000~3000Hz middle low frequency system The high frequency brake noise of dynamic noise and 3000~20000Hz.Real vehicle friction meeting between friction plate and brake disc in braking procedure The noise of different frequency sections is produced, to eliminate or reducing these noises, often the joint noise reduction piece on friction plate, has plurality of specifications It is used for matching the noise for reducing different frequency sections with the bloop of model.Type of the high frequency brake noise typically by changing bloop Number or friction plate carries out chamfering, fluting solves, and middle low frequency, the elimination of low-frequency brake noise then lack effective technology side Case.In addition, common friction plate and the fit system of bloop using riveting or bonds, easily loosen or send out in braking procedure Raw displacement, causes more brake noises to generate.
The content of the invention
The purpose of this utility model is to provide a kind of controllable bloop of brake noise and its connection in friction plate assembly, can The brake noise of each frequency band is effectively reduced, reduces the incidence of integral stop noise, bloop good fixing effect is not easy to shift.
To achieve the above object, the technical solution adopted in the utility model is:A kind of controllable bloop of brake noise, including Noise reduction sheet metal, the left and right ends of the noise reduction sheet metal for straight section and are parallel to each other, and the top of the noise reduction sheet metal is arc Shape, the bottom of the noise reduction sheet metal are provided with groove, and the upper and lower part of the noise reduction sheet metal is respectively equipped with multiple upper fixations Claw and lower stationary jaw.
The utility model 1) using with reeded noise reduction sheet metal, thus it is possible to vary the intrinsic frequency of noise reduction sheet metal, with Can reduce the brake noise incidence of friction plate assembly after the connection of friction plate assembly, especially to high frequency noise 7200Hz, The noise of 11000Hz and middle low frequency such as 2000Hz, the noise of 3000~3600Hz frequency bands has preferable removal effect;2) it is left The straight section that right both ends are parallel to each other can ensure that the width of noise reduction sheet metal in the reasonable scope, and control noise reduction sheet metal exactly Width, be easy to manufacture;3) stationary jaw and lower stationary jaw make the controllable bloop of brake noise be easy to be assemblied in and rub on On pad assembly, fixation.
Preferably, the noise reduction sheet metal is the stainless steel substrates that the width between two straight sections is 90mm.The lateral incision of bloop two Into straight section, its intrinsic frequency can be changed by being connected with brake pad, steel back, black feeler etc., reduce the incidence of brake noise.
Further, the bottom both ends of the noise reduction sheet metal are provided with chamfering, the both ends joint noise reduction sheet metal of chamfering Straight section and lower stationary jaw.
Further, the lower stationary jaw is provided with two, and groove is provided between described two lower stationary jaws.Lower fixation Claw and upper stationary jaw can set two, be stuck in steel back;Groove can change the intrinsic frequency of bloop.
Preferably, the groove connects with noise reduction sheet metal base, and one jiao of the groove protrudes obliquely.Groove is being set To be connected when putting with bottom, the elimination of the shape of groove to specific frequency has large effect, outside this groove protruded obliquely Shape is crescent, and in addition to having eradicating efficacy to high frequency noise, centering low frequency noise also has preferable eradicating efficacy.
Preferably, fixed claw is provided with flange.The setting of flange makes stationary jaw be easier to be assemblied in steel Back.
It is a kind of based on the controllable bloop of above-mentioned brake noise in the connection of friction plate assembly, including brake pad, steel back and system The one side of the controllable bloop of dynamic noise, the brake pad and steel back is combined together, and the controllable bloop of brake noise is located at The another side of steel back, black feeler is connected between the steel back and the controllable bloop of brake noise, the upper end of the steel back is with End is respectively equipped with multiple dovetail grooves.This friction plate assembly is provided with four layers, from inside to outside respectively brake pad, steel back, black feeler with And the controllable bloop of brake noise.
Further, the upper end of the steel back is provided with three dovetail grooves, and the center line of one of dovetail groove is located at steel back On center line, two other dovetail groove is symmetrical relative to center line;The lower end of the steel back at the both ends of center line respectively symmetrically Provided with two dovetail grooves.The set location of dovetail groove will with it is upper on the claw on black feeler and the controllable bloop of brake noise Stationary jaw, lower stationary jaw are engaged setting.
Further, the upper end center of the black feeler is provided with a claw and is caught in the dovetail groove of steel back upper end center, The lower end of the black feeler is arranged with claw and is caught in the dovetail groove of steel back lower end outside.Black feeler is connected by clamping and steel back Connect, be bonded between the two, clamping consolidates, and is easily assembled.
Further, the upper stationary jaw of the controllable bloop of the brake noise is caught in the dovetail groove on steel back upper end both sides, The lower stationary jaw of the controllable bloop of brake noise is caught in the dovetail groove of steel back lower end inside.The controllable bloop of brake noise It is connected by snap fit with steel back, black feeler, black feeler and braking is connected between the controllable bloop of brake noise and steel back The controllable bloop mating reaction of noise, joint effect the intrinsic frequency and noise incidence of whole friction plate assembly, but brake The controllable bloop of noise plays a leading role.
Brief description of the drawings
Fig. 1 is the general structure schematic diagram of the controllable bloop of the utility model brake noise.
Fig. 2 is be linked and packed schematic diagram of the controllable bloop of the utility model brake noise in friction plate assembly.
Fig. 3 is structural representation of the controllable bloop of the utility model brake noise in friction plate assembly.
Fig. 4 is the brake noise occurrence frequency figure for the friction plate assembly for not assembling any bloop.
Fig. 5 be assemble body width be 110mm and the bloop of un-grooved friction assembly brake noise occurrence frequency Figure.
Fig. 6 is brake noise occurrence frequency of the assembling controllable bloop of the utility model brake noise in friction plate assembly Figure.
Fig. 7 is tri- kinds of friction plate assembly brake noise proportion comparison diagrams of Fig. 4, Fig. 5, Fig. 6.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, is easy to more clearly understand the utility model, But the utility model is not limited to following embodiments.
As shown in figure 1, a kind of controllable bloop of brake noise of the utility model, including noise reduction sheet metal 400, noise reduction metal The left and right ends of piece 400 are straight section 410 and are parallel to each other that the top of noise reduction sheet metal 400 is arc, noise reduction sheet metal 400 Bottom is provided with groove 420, and the upper and lower part of noise reduction sheet metal 400 is respectively equipped with multiple upper stationary jaws 430 and lower fixing card Pawl 440.
With reference to such scheme, specifically, width of the utility model noise reduction sheet metal 400 between two straight sections 410 is 90mm stainless steel substrates, its thickness are 0.4mm;The bottom both ends of noise reduction sheet metal 400 are provided with chamfering 450, the both ends of chamfering 450 One end of straight section 410 and one end of lower stationary jaw 440 are connected respectively;Lower stationary jaw 440 is provided with two, two lower fixing cards Groove 420 is provided between pawl 440, groove 420 bends and connected with the base of noise reduction sheet metal 400 obliquely, and groove 420 is disappearing At the non-central line of sound sheet metal 400, i.e., groove 420 is located at the side of noise reduction sheet metal 400;Upper stationary jaw 430 also is provided with Two, stationary jaw 430 is symmetrical set on two, and the upper extension of stationary jaw 430 is provided with upward flange.
As shown in Figures 2 and 3, a kind of controllable bloop of brake noise of the utility model is in the connection of friction plate assembly, bag Brake pad 100, steel back 200 and the controllable bloop of brake noise are included, brake pad 100 and the one side of steel back 200 are combined together, rubbed Cleaning block 100 and steel back 200 can be the composition in state of the art, as brake pad 100 can be by friction material and adhesive group Into brake pad 100 is bonded together with steel back 200;The controllable bloop of brake noise is located at the another side of steel back 200, steel back 200 Black feeler 300 is connected between the controllable bloop of brake noise, the top and bottom of steel back 200 are respectively equipped with multiple dovetail grooves 210;Specifically, the upper end of steel back 200 is provided with three dovetail grooves 210, the center line of one of dovetail groove 210 is located at steel back On 200 center lines, two other dovetail groove 210 is symmetrical relative to center line;Distinguish at the both ends of center line the lower end of steel back 200 It is arranged with two dovetail grooves 210.The upper end center of black feeler 300 is provided with a claw 310 and is caught in the upper end center of steel back 200 Dovetail groove 210, the claw 310 of upper end can equally add flange increase and connect and fix ability, and the lower end of black feeler 300 is symmetrically set There is claw 310 and be caught in the dovetail groove 210 of the lower end outside of steel back 200;The upper stationary jaw 430 of the controllable bloop of brake noise blocks Enter the dovetail groove 210 on the upper end both sides of steel back 200, the lower stationary jaw 440 of the controllable bloop of brake noise is caught in steel back 200 The dovetail groove 210 of lower end inside;The one side of the medial surface of noise reduction sheet metal 400 and black feeler 300 fits after the completion of assembling, black The another side of feeler 300 is bonded with the one side of steel back 200.Black feeler 300 is substantially and a kind of bloop, black feeler 300 are led To be made up of stainless steel substrates, surface coating rubber layer, rubber layer can increase black feeler 300 and steel back 200 or brake noise are controllable Frictional force after being bonded between bloop, makes structure more firm, black feeler 300 can eliminate high frequency noise.
As shown in Figure 4, Figure 5, Figure 6 and Figure 7, the decibels of each frequency noise are tested using different friction plate assemblies, The friction plate assembly used in Fig. 4 only has brake pad 100 and steel back 200 to form, as shown in Figure 4, do not install any bloop and Noise of the friction plate assembly of black feeler 300 in 2000Hz, 3000~3600Hz, 15000Hz or so is more;Used in Fig. 5 Friction plate assembly is black feeler 300 and 110mm width and the bloop of un-grooved 420 is common by brake pad 100, steel back 200 Composition, as shown in Figure 5, the friction plate assembly is to 3000~4000Hz, 5000Hz, 7000~7200Hz, 11000Hz noise It is poor to eliminate, but has certain eradicating efficacy to 2000~3600Hz noise compared in Fig. 4;Fig. 6 is using the utility model The controllable bloop of brake noise and brake pad 100, steel back 200, noise test during black feeler 300, it will be appreciated from fig. 6 that this reality With the new obvious 2000Hz eliminated shown in Fig. 4 and Fig. 5, the noise of 3000~3600Hz frequency bands, hence it is evident that reduce 7200Hz and, the noise of 11000Hz frequency bands;As shown in Figure 7, the utility model makes brake noise overall incidence by maximum 12.2% is reduced to 6.3%, shows that the utility model can be had using specific shape and structure to brake noise and significantly goes Except effect, especially centering low frequency noise also have obvious elimination and control effect.
Above-described embodiment is only schematical, the limit of used technical term in the utility model Only for convenience of description, any equivalent replacement or substantially identical restriction all fall in protection model of the present utility model qualitative qualifier In enclosing, one of ordinary skill in the art is in the controllable bloop of the utility model brake noise and its connection in friction plate assembly Enlightenment under, in the case of the utility model aims and scope of the claimed protection are not departed from, can also derive many shapes Formula, these are within the scope of protection of the utility model.

Claims (10)

1. a kind of controllable bloop of brake noise, including noise reduction sheet metal (400), it is characterised in that:The noise reduction sheet metal (400) left and right ends are straight section (410) and to be parallel to each other, and the top of the noise reduction sheet metal (400) is arc, the noise reduction The bottom of sheet metal (400) is provided with groove (420), and the upper and lower part of the noise reduction sheet metal (400) is respectively equipped with multiple Stationary jaw (430) and lower stationary jaw (440).
2. the controllable bloop of brake noise according to claim 1, it is characterised in that:The noise reduction sheet metal (400) is The stainless steel substrates that width between two straight sections (410) is 90mm.
3. the controllable bloop of brake noise according to claim 1 or 2, it is characterised in that:The noise reduction sheet metal (400) Bottom both ends be provided with chamfering (450), the straight section (410) of the both ends joint noise reduction sheet metal (400) of chamfering (450) and lower fixation Claw (440).
4. the controllable bloop of brake noise according to claim 3, it is characterised in that:The lower stationary jaw (440) sets There are two, groove (420) is provided between described two lower stationary jaws (440).
5. the controllable bloop of brake noise according to claim 1 or 4, it is characterised in that:The groove (420) and noise reduction Sheet metal (400) base connects, and one jiao of the groove (420) protrudes obliquely.
6. the controllable bloop of brake noise according to claim 1, it is characterised in that:On fixed claw (430) Provided with flange.
7. it is a kind of based on the controllable bloop of above-mentioned brake noise friction plate assembly connection, it is characterised in that:Including brake pad (100), steel back (200) and the controllable bloop of brake noise, the brake pad (100) and the one side of steel back (200) are incorporated in one Rise, the controllable bloop of brake noise is located at the another side of steel back (200), the steel back (200) and brake noise is controllable disappears Black feeler (300) is connected between tablet, the top and bottom of the steel back (200) are respectively equipped with multiple dovetail grooves (210).
8. the controllable bloop of brake noise according to claim 7 is in the connection of friction plate assembly, it is characterised in that:It is described The upper end of steel back (200) is provided with three dovetail grooves (210), and the center line of one of dovetail groove (210) is located in steel back (200) On heart line, two other dovetail groove (210) is symmetrical relative to center line;The lower end of the steel back (200) is at the both ends of center line Respectively symmetrically it is provided with two dovetail grooves (210).
9. the controllable bloop of brake noise according to claim 7 is in the connection of friction plate assembly, it is characterised in that:It is described The upper end center of black feeler (300) is provided with a claw (310) and is caught in the dovetail groove (210) of steel back (200) upper end center, institute The lower end for stating black feeler (300) is arranged with claw (310) and is caught in the dovetail groove (210) of steel back (200) lower end outside.
10. the controllable bloop of brake noise according to claim 7 is in the connection of friction plate assembly, it is characterised in that:Institute The upper stationary jaw (430) for stating the controllable bloop of brake noise is caught in the dovetail groove (210) on steel back (200) upper end both sides, described The lower stationary jaw (440) of the controllable bloop of brake noise is caught in the dovetail groove (210) of steel back (200) lower end inside.
CN201721039503.5U 2017-08-18 2017-08-18 The controllable bloop of brake noise and its connection in friction plate assembly Active CN207161571U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721039503.5U CN207161571U (en) 2017-08-18 2017-08-18 The controllable bloop of brake noise and its connection in friction plate assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721039503.5U CN207161571U (en) 2017-08-18 2017-08-18 The controllable bloop of brake noise and its connection in friction plate assembly

Publications (1)

Publication Number Publication Date
CN207161571U true CN207161571U (en) 2018-03-30

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Application Number Title Priority Date Filing Date
CN201721039503.5U Active CN207161571U (en) 2017-08-18 2017-08-18 The controllable bloop of brake noise and its connection in friction plate assembly

Country Status (1)

Country Link
CN (1) CN207161571U (en)

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Address after: 430056 No. 1 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Hubei, Wuhan

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Address before: 430056 No. 1 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Hubei, Wuhan

Patentee before: Dongfeng Car Co.

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