CN201436419U

CN201436419U - Brake with protruding backboard structure

Info

Publication number: CN201436419U
Application number: CN200920006823XU
Authority: CN
Inventors: 陈郭慎
Original assignee: XINYING TRADING CO Ltd
Current assignee: XINYING TRADING CO Ltd
Priority date: 2009-03-18
Filing date: 2009-03-18
Publication date: 2010-04-07
Anticipated expiration: 2019-03-18

Abstract

The utility model discloses a brake with a protruding backboard structure, including a backboard which is provided with plural protruding parts formed by stamping on a surface, and a friction material which is fixed on the backboard through pierced by the protruding parts so as to form a brake. Thereby, in the utility model, the backboard is fastened with the friction material by means of protruding parts so that the friction material is not easy to shift from the backboard owing to high speed friction; and with the assistance of the protruding parts, the friction material is able to fastened on the backboard even without any adhesive.

Description

Break with sharp protruding back board structure

Technical field

The utility model relates to a kind of break with sharp protruding back board structure.

Background technique

Known brake apparatus mainly is made up of a friction material 11 and a backboard 15 as shown in Figure 1.This friction material 11 be by the material of high friction ractor (as: nickel, iron, aluminium, rubber, leather ... etc.) form, be used to produce bigger frictional force.And known braking device all is only to stick together with this backboard 15 with should rub material 11 of bonding mode.As shown in Figure 2,15 of this friction material 11 and this backboards have one and bind glue-line 13, this bonding glue-line 13 is generally synthetic resin, yet bind glue owing to only use, therefore usually need brake apparatus is left standstill for a long time, increase its bonding strength to treat these bonding glue-line 13 air dries, this friction material 11 is secured on this backboard 15, this process is quite consuming time, and a large amount of uses of binding glue also do not meet environmental protection.

For braking system, the generation of braking power is to utilize friction material (also can be described as lining) to clamp disc or the drum that rotates with rotation system ... thing produced to wait rotation, yet this kind utilizes the mode of braking of frictional force can produce high heat because of the friction catch of high-speed friction, therefore known technology emphasizes that mostly the heat dispersion of backboard is to discharge used heat the stability the during running of increase braking system as quickly as possible.Yet in the known brake apparatus, high heat is to be passed to backboard 15 by friction material 11, wherein can be through binding glue-line 13, also can produce the soft state of qualitative change and bind glue-line 13 for high heat, in case weakening because softening in conjunction with power of 15 of friction material 11 and backboards, friction material 11 will be very easily from backboard 15 superior displacements, and then affect the stability of brakes.

Therefore, known brake apparatus needs bonding step consuming time, binds when glue-line is easy to high temperature again to produce qualitative change, still has considerable shortcoming on using.

Summary of the invention

Technical problem to be solved in the utility model provides a kind of brake with sharp protruding back board structure, the constant intensity of material on back board structure of can strengthening rubbing, it only need use a small amount of bonding glue also or not need use the making that any bonding glue can be finished brake; Strengthen simultaneously the constant intensity of friction material on back board structure, utilize that a plurality of sharp protuberance through punch forming thrusts in the friction material on the back board structure, increase the steadiness of friction material, more can reduce by this use of binding glue.

In order to address the above problem, the utility model provides a kind of break with sharp protruding back board structure, and it comprises: a backboard is formed with a plurality of sharp protuberances on surface thereof; Reach a friction material, it is fixed on this backboard to form a break by thrusting of those sharp protuberances.

A purpose again of the utility model is to provide a kind of sharp protuberance structure that the friction material can be anchored on the backboard.

For reaching above-mentioned purpose, the sharp protuberance of those of the utility model is respectively a row-like arrangement in the surface of this backboard and forms plural number row, arranges and wherein can be an alternating expression between each row.

For reaching above-mentioned purpose, in one of the utility model embodiment, the distance that staggers between adjacent two rows that this alternating expression is arranged is half of two adjacent sharp protuberance spacings; In addition, the adjacent two misarrangements arrangement of opening also can be no staggered and arranges.

For reaching above-mentioned purpose, in one of the utility model embodiment, those sharp protuberances are to form through impact briquetting, and in addition, those sharp protuberances can have different pressing directions.

For reaching above-mentioned purpose, in one of the utility model embodiment, those sharp protuberances and this surface have an inclination angle, and wherein this inclination angle is preferably between 10 degree between 150 degree.

In one of the utility model embodiment, this backboard is a metal backing.

In one of the utility model embodiment, more comprise one and bind glue-line, it is between this backboard and this friction material.

In one of the utility model embodiment, the utility model is applied in the brake system of a bicycle.

Compared with prior art, use the utility model, brake with sharp protruding back board structure utilizes the sharp protuberance on the backboard that the friction material is tightened together, so that the friction material be difficult for because of high-speed friction from the backboard superior displacement, the auxiliary of sharp protuberance arranged, and the friction material only needs not need to bind on a small quantity or even fully glue and can be fixed on the backboard.

Description of drawings

Fig. 1 is the exploded view of known braking device;

Fig. 2 is the sectional drawing of known braking device;

Fig. 3 is the exploded view of the utility model in an embodiment;

Fig. 4 is the combination schematic diagram of the utility model in an embodiment;

Fig. 5 is the transverse cross-sectional view of the utility model in an embodiment;

Fig. 6 is the longitudinal sectional drawing of the utility model in an embodiment;

Fig. 7 is the user mode figure of the utility model in a disc braking system embodiment;

Fig. 8 is the transverse cross-sectional view of the utility model in another embodiment;

The transverse cross-sectional view that Fig. 9 is the utility model in an embodiment again;

Figure 10 is the sharp protuberance of the utility model and the inclination angle schematic diagram between back board structure;

Figure 11 is the sharp protuberance of the utility model and the inclination angle schematic diagram between back board structure.

Embodiment

Be fully to understand purpose, feature and the effect of the utility model, hereby by following concrete embodiment, and cooperate appended graphicly, the utility model is described in detail, illustrate as after:

At first see also Fig. 3, the exploded view of the utility model in an embodiment.The break with sharp protruding back board structure of the utility model mainly comprises: a backboard 21 and a friction material 23.This backboard 21 is can be by the made backboard of a kind of metal material, for example: the metal backing of stainless steel alloy system or aluminium matter backboard, it can be used to fix this friction material 23 and puts on by this friction material 23 according to the braking power of brakes transmission and rotates on thing or the motive objects to reach braking effect.

As shown in Figure 3, the main feature of the utility model is to be formed with on this backboard 21 a plurality of sharp protuberances 25, those sharp protuberances 25 can form through impact briquetting or other molding mode, and those sharp protuberances 25 can thrust in the friction material 23, to strengthen the constant intensity of this friction material 23 on this backboard 21.21 of this friction material 23 of the utility model and this backboards, because the auxiliary of those sharp protuberances 25 arranged, the use amount of the bonding glue on this backboard 21 can significantly reduce, and require lower system more can not need to use bonding glue for braking ability, as: be applied in the brake system than low speed such as bicycle, and for bicycle, the actuator of the utility model is the brake block in the brake system.

Please consult Fig. 3, those sharp protuberances 25 are a row-like arrangement in the surface of this backboard 21 and form plural number row again, such as the sharp protuberance 25a as shown in graphic and the 25b row that respectively does for oneself.In the embodiment of the utility model, these rows can be the arrangement (shown in sharp protuberance 25a and 25b in graphic) of interleaved with each other, so can increase affixed power.Wherein, those sharp protuberances 25 are preferably the pressing direction with at least two kinds, in the embodiment of the utility model be take two kinds as example, that is, and the punching press of two kinds of directions shown in sharp protuberance 25a and 25b.In addition, sharp protuberance through being stamped to form 25 can be an inclination angle with the surface of this backboard 21, and the punching press of different directions then more can produce the inclination angle of different directions, so more can increase affixed power, this part in after can collocation graphic and more detailed explanation arranged.

The manufacture method of the utility model is removed the dirt on its surface for earlier this backboard 21 being cleaned.Then carry out the punching press processing procedure to form a plurality of sharp protuberances 25 in one of this backboard 21 surface, can determine incline direction and the angle that sharp protuberance 25 has in this step.Then go up the material powder that forms this friction material 23 in the surface that comprises those sharp protuberances 25, the raw material of friction material can comprise graphite, chromium oxide, silica and other metallic compound ... wait known raw material, the shaping of pressurizeing and heating is handled, and this friction material 23 is anchored on this backboard 21.

And as previously mentioned, the utility model more can add a process of smearing of binding glue-line before forming this friction material 23, bind glue-line and can be known synthetic resin, and this bonding glue-line can dissolve sclerosis in the process of pressurization and heating, more strengthen the affixed of this friction material 23 and this backboard 21.So all to smear the break of the sharp protruding back board structure of having of process be example do not have to add to bind glue-line in the embodiment of the utility model.

Then see also Fig. 4, the combination schematic diagram of the utility model in an embodiment.Be the brake structural with sharp protruding back board structure after being shaped shown in the figure, those sharp protuberances 25 can thrust in the friction material 23, and are fixed on this backboard 21.

Then see also Fig. 5 and Fig. 6, horizontal section and the longitudinal sectional drawing of the utility model in an embodiment.Fig. 5 is the cross section according to the A-A ' line segment among Fig. 4, can see obviously among the figure that those sharp protuberances 25 thrust in the friction material 23, and as seen make the inclination angle of those

sharp protuberances

25 and 21 formation of this backboard because of punching course.Fig. 6 is the vertical section according to the B-B ' line segment among Fig. 4, is as seen formed the plural number row structure of a row-like arrangement among the figure in the surface of this backboard 21 by those sharp protuberances 25.

Then see also Fig. 7, the user mode figure of the utility model in a disc braking system embodiment.Disc braking system 30 comprises a disc 31, a supported terminal part 33, a hydraulic piston 35 and one or two break 20, by working in coordination of this hydraulic piston 35 and supported terminal part 33, break 20 is clamped the purpose that discs 31 reach braking.Under the running of the high-speed friction of disc, the brake with sharp protruding back board structure of the utility model can make this friction material 23 be anchored on this backboard 21, and can these friction material 23 generations are not shifted and then affect braking effect because of high-speed friction or high temperature.And for the braking under the high-speed friction more, can provide better steadiness in the bonding glue-line of this

backboard

21 and 23 addings of this friction material.Take the area of this friction material 23 as 10cm ², its glue consumption needs at least 10 milliliters under the known technology, and the glue consumption behind the sharp protruding back board structure of employing the utility model reduces to the bonding strength that can reach known technology below 5 milliliters.Therefore the utility model can effectively reduce the use amount of binding glue, and higher bonding glue consumption can make this

backboard

21 and 23 of this friction materials have higher steadiness in the utility model, and in the brake applicable to high standard demand more.

Then see also Fig. 8, the transverse cross-sectional view of the utility model in another embodiment.In the row-like arrangement of the alternating expression that those sharp protuberances 25 are formed, the distance that staggers can be done multiple variation, the horizontal section of Fig. 8 A-A ' section as shown in Figure 4, and among Fig. 8, the distance that staggers between adjacent two rows is half of two adjacent sharp protuberance 25 spacings, i.e. a/2.

Then see also Fig. 9, the transverse cross-sectional view of the utility model in an embodiment again.Be in the row-like arrangement of the alternating expression that those sharp protuberances 25 are formed that with Fig. 8 difference the distance that staggers can be a kind of arrangement of no staggered close to zero.

Then please consult simultaneously Figure 10 and Figure 11, the sharp protuberance of the utility model and the inclination angle schematic diagram between back board structure.As previously mentioned, the sharp protuberance 25 through being stamped to form can be an inclination angle with the surface of this backboard 21, and this inclination angle can be between 10 degree between 150 degree.Those sharp protuberances 25 are a kind of lug boss from these backboard 21 rats, and one of those sharp protuberances 25 end can be the end that a pointed end, a flat-shaped end or other any mode that forms those sharp protuberances 25 cause such as Figure 10 and shown in Figure 11.

By this, the utility model can utilize the sharp protuberances 25 of on this backboard 21 those to tighten together with this friction material 23, so that should friction material 23 difficult because of high-speed friction these backboard 21 superior displacements certainly.Moreover, the auxiliary of those sharp protuberances 25 arranged, this friction material 23 only needs not need to bind on a small quantity or even fully glue and can be stable on this backboard 21.

The above; it only is the preferable embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with the people of this technology in technical scope disclosed in the utility model; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.

Claims

1. the break with sharp protruding back board structure is characterized in that, comprises:

One backboard is formed with a plurality of sharp protuberances on surface thereof; And

One friction material is fixed on the described backboard to form a brake by thrusting of described sharp protuberance.

2. the brake with sharp protruding back board structure as claimed in claim 1 is characterized in that, described sharp protuberance is to be respectively a row-like arrangement and to form plural number row in the surface of described backboard.

3. the brake with sharp protruding back board structure as claimed in claim 2 is characterized in that, what described sharp protuberance formed plural number row respectively is to be an alternating expression to arrange between row.

4. the brake with sharp protruding back board structure as claimed in claim 3 is characterized in that, the distance that staggers between adjacent two rows that described alternating expression is arranged is half of two adjacent sharp protuberance spacings.

5. the brake with sharp protruding back board structure as claimed in claim 3 is characterized in that, the arrangement between described adjacent two rows is not have to stagger.

6. the break with sharp protruding back board structure as claimed in claim 1 is characterized in that, described sharp protuberance is to form through impact briquetting.

7. the break with sharp protruding back board structure as claimed in claim 6 is characterized in that, described sharp protuberance has different pressing directions.

8. the break with sharp protruding back board structure as claimed in claim 1 is characterized in that, described sharp protuberance and described surface have a tilt angle.

9. the break with sharp protruding back board structure as claimed in claim 8 is characterized in that, described tilt angle is between 150 degree between 10 degree.

10. the break with sharp protruding back board structure as claimed in claim 1 is characterized in that, described backboard is a metal backing.

11. the break with sharp protruding back board structure as claimed in claim 1 is characterized in that, more comprises one and binds glue-line, it is between described backboard and described friction material.