CN203743270U - Bicycle brake pad - Google Patents
Bicycle brake pad Download PDFInfo
- Publication number
- CN203743270U CN203743270U CN201420129231.8U CN201420129231U CN203743270U CN 203743270 U CN203743270 U CN 203743270U CN 201420129231 U CN201420129231 U CN 201420129231U CN 203743270 U CN203743270 U CN 203743270U
- Authority
- CN
- China
- Prior art keywords
- steel plate
- layer
- boss
- adjutage
- brake pad
- 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 - Lifetime
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 53
- 239000010959 steel Substances 0.000 claims abstract description 53
- 230000007704 transition Effects 0.000 claims abstract description 7
- 239000002783 friction material Substances 0.000 claims description 11
- 239000003292 glue Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 abstract description 5
- 238000003780 insertion Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 10
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 229910002804 graphite Inorganic materials 0.000 description 5
- 239000010439 graphite Substances 0.000 description 5
- 239000005011 phenolic resin Substances 0.000 description 5
- 229920001568 phenolic resin Polymers 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000007769 metal material Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013036 cure process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model relates to a bicycle brake pad. A steel plate layer is composed of a steel plate body and an extension arm. Symmetrical arc transition portions are arranged between the vertical portion of the upper portion of the extension arm and the horizontal portion of the lower portion of the steel plate body. The steel plate body is provided with a reinforcing device comprising at least four bosses. In the pressing process, the bosses arranged on the steel plate layer are inserted into a friction layer. At least four bosses are arranged, the longitudinal distance L2 between every two bosses is 8.0-9.5 mm, the transverse distance L3 between every two bosses is 15.0-16.5 mm, the depth H of the bosses is 0.6 mm, and the diameter phi of the bosses is 4.0 mm, and therefore the insertion area is large. The bosses are uniformly distributed, so that the shear force of the brake pad is improved longitudinally and transversely, and the shear strength of the brake pad can be improved.
Description
Technical field
The utility model relates to a kind of brake system of bicycle, refers more particularly to a kind of brake block that plays decisive role in bicycle disc brake device that is used in.
Background technique
Bicycle brake pad plays vital effect in brake process, shear strength between friction material and steel backing on brake block directly affects use safety and the pot life of bicycle, if it is insecure that the Bond between the friction material of bicycle brake pad and steel backing is connected, easily cause traffic safety, so overriding concern is shear strength, so-called shear strength refers to that material bears the ability of shearing force, refer to that external force is vertical with material axis, and ultimate strength when material is to shear action; At present, in order to overcome above-mentioned defect, be provided with symmetrical attachment post on brake block both sides, although reach the object that is connected firmly, learn by experiment, its shear strength is difficult to control, and does not also reach desired standard.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of brake block cohesive force that improves, and increases brake block shear strength, guarantees the bicycle safe brake block of driving a vehicle.
In order to solve the problems of the technologies described above, the utility model provides a kind of bicycle brake pad, it is made up of steel plate layer and the friction layer that is bonded in the steel plate layer back side, described steel plate layer is inverted T shape structure, steel plate layer one end extended spot is provided with adjutage, adjutage is with steel plate layer the state of being fixedly connected with, steel plate layer is made up of steel plate body and adjutage, between the horizontal component of adjutage upper vertical part and steel plate body bottom, it is arc-shaped transition, arc-shaped transition is for being symmetrical arranged, the length L of described steel plate body is made as 20.3～21.8mm, width W is made as 30.7～32.2mm, its thickness T is made as 1.9～2.1mm, described adjutage length L
1be made as 14.7～16.2mm, width W
1be made as 6.5～8.0mm, described friction layer thickness T
1be 2.9～3.1mm, described adjutage is provided with attachment hole, and described attachment hole diameter is 3.5～3.7mm.
Described steel plate body is provided with intensifier, and described intensifier is at least four boss, and described boss is arranged at the place apart from steel plate body edges line 14.7～16.2mm, longitudinal pitch L between described boss
2be 8.0～9.5mm, horizontal spacing L
3be 15.0～16.5mm, the depth H of described boss is 0.6mm, and the diameter of boss is 4.0mm.
Described friction layer is arch structure, its top radius of arc R
1be greater than bottom radius of arc R
2, described friction layer is arranged on the convex surface of boss, and described friction layer is suppressed and is formed by high temperature by friction material and high-temp glue; Described friction material is few metallic material, and its weight percentage ranges is: copper fiber 15%～20%, Steel Fibre 20%～23%, phenolic resin 8%～13%, graphite 6%～9%, PNBR 5%～6%, friction powder 4%～5%
.
Compared with prior art, the utlity model has following advantages.
Described friction layer is suppressed and is formed by high temperature by friction material and high-temp glue, steel plate layer and friction layer 2 by high-temp glue 140 DEG C～150 DEG C of temperature, pressure is that the extruding of 50T oil hydraulic press is fixedly connected with, in the time of bonding high-temp glue, adhesive surface is carried out to surface treatment, the roughness that increases bonding plane, high-temp glue is completely curing, and the boss being arranged in pressing process on steel plate layer inserts friction layer inside simultaneously, be provided with at least four boss, longitudinal pitch L between described boss
2be 8.0～9.5mm, horizontal spacing L
3be 15.0～16.5mm, the depth H of described boss is 0.6mm, and diameter is 4.0mm, makes the area of insertion large, and the boss of setting is evenly distributed, and is the longitudinal or horizontal shearing force that all improves brake block, strengthens the shear strength of brake block; In addition, in gluing process, the THICKNESS CONTROL of high-temp glue, between 0.03～0.15mm, makes joint stress concentration factor moderate, and Joint strength increases.
Described friction material is few metallic material, its weight percentage ranges is: copper fiber 15%～20%, Steel Fibre 20%～23%, phenolic resin 8%～13%, graphite 6%～9%, PNBR 5%～6%, friction powder 4%～5%, use above-mentioned resin to make friction layer and steel plate layer have more Adhesion force and toughness, thereby further increase the shear strength of brake block, make cemented joint in unit area, can bear the maximum load of parallel splicing face.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model bicycle brake pad.
Fig. 2 is the utility model bicycle brake pad light plate layer and friction layer tacky state figure.
Fig. 3 is the generalized section of the A～A of the utility model brake block.
Embodiment
Embodiment one.
As shown in Figures 1 to 3, a kind of bicycle brake pad, it is made up of steel plate layer 1 and the friction layer 2 that is bonded in steel plate layer 1 back side, described steel plate layer 1 is inverted T shape structure, steel plate layer 1 one end extended spot is provided with adjutage 3, adjutage 3 is with steel plate layer 1 state of being fixedly connected with, steel plate layer 1 is made up of steel plate body 4 and adjutage 3, described adjutage 3 is provided with attachment hole 7, described attachment hole 7 diameters are 3.5mm, between adjutage 3 upper vertical parts and the horizontal component of steel plate body 4 bottoms, it is arc-shaped transition 5, arc-shaped transition 5 is for being symmetrical arranged, the length L of described steel plate body 4 is made as 20.3mm, width W is made as 30.7mm, its thickness T is made as 1.9mm, described adjutage 3 length L
1be made as 14.7mm, width W
1be made as 6.5mm, described friction layer 2 thickness T
1for 2.9mm.
Described steel plate body 4 is provided with intensifier, and described intensifier is four boss 6, and described boss 6 is arranged at apart from steel plate body 4 edge line 14.7mm places, longitudinal pitch L between described boss 6
2for 8.0mm, horizontal spacing L
3for 15.0mm, the depth H of described boss 6 is 0.6mm, and the diameter of boss 6 is 4.0mm.
Described friction layer 2 is arch structure, its top radius of arc R
1be greater than bottom radius of arc R
2, described friction layer 2 is arranged on the convex surface of boss 6, and described friction layer 2 is suppressed and is formed by high temperature by friction material and high-temp glue.
Described friction material is few metallic material, and its weight percentage ranges is: copper fiber 15%, Steel Fibre 20%, phenolic resin 8%, graphite 6%, PNBR 5%, friction powder 4%.
First, raw material mixes: according to weight percentage, copper fiber 15%, Steel Fibre 20%, phenolic resin 8%, graphite 6%, PNBR 5%, friction powder 4% raw material are mixed; The raw material mixing is poured in the mould of setting, mould is set to arch as required, utilize the moulding of 50T oil hydraulic press weight, again product being put into heat treatment box heats, remove the moisture of friction layer and material is merged more, friction layer is shaped to given size plate construction, and effects on surface carries out cure process.
Again, hot-forming: to utilize machinery by steel plate layer proportionally, make moulding, after moulding on the friction layer of making coated with high temperature glue, when coated with high temperature glue, notice that THICKNESS CONTROL is between 0.03～0.15mm, if thickness is thicker, because temperature variation causes the generation of the internal force such as shrinking stress and thermal stress, cause the loss of cohesion strength, if glue-line is too thin, cohesive force is inadequate, carries out surface treatment at bonding plane, the roughness that increases bonding plane, binder is completely curing in addition; Under 140 DEG C～150 DEG C high temperature, by steel plate layer and the pressurization of friction floor height heat, now, four boss that are provided with insert friction layer inside, with friction layer close adhesion, make two-layer can combining closely, and by test, the shear strength of its brake block is all greater than 3.6mpa.
Finally, grind and cut; Burr processing, paint baking are carried out in brake block surface.
Embodiment two.
The length L of described steel plate body 4 is made as 21.8mm, and width W is made as 32.2mm, and its thickness T is made as 2.1mm, described adjutage 3 length L
1be made as 16.2mm, width W
1be made as 8.0mm.
Described steel plate body 4 is provided with intensifier, and described intensifier is four boss 6, and described boss 6 is arranged at apart from steel plate body 4 edge line 16.2mm places, longitudinal pitch L between described boss 6
2for 9.5mm, horizontal spacing L
3for 16.5mm, the depth H of described boss 6 is 0.6mm, and the diameter of boss 6 is 4.0mm.
Described friction layer 2 is arch structure, its top radius of arc R
1be greater than bottom radius of arc R
2, described friction layer 2 is arranged on the convex surface of boss 6, and described friction layer 2 is suppressed and is formed by high temperature by friction material and high-temp glue, described friction layer 2 thickness T
1for 3.1mm, described adjutage 3 is provided with attachment hole 7, and described attachment hole 7 diameters are 3.7mm.
Described friction material is few metallic material, and its weight percentage ranges is: copper fiber 20%, Steel Fibre 23%, phenolic resin 13%, graphite 9%, PNBR 6%, friction powder 5%.
Claims (4)
1. a bicycle brake pad, is characterized in that:
It is made up of steel plate layer (1) and the friction layer (2) that is bonded in steel plate layer (1) back side, described steel plate layer (1) is inverted T shape structure, steel plate layer (1) one end extended spot is provided with adjutage (3), adjutage (3) is with steel plate layer (1) state of being fixedly connected with, steel plate layer (1) is made up of steel plate body (4) and adjutage (3), between the horizontal component of adjutage (3) upper vertical part and steel plate body (4) bottom, be arc-shaped transition (5), arc-shaped transition (5) is for being symmetrical arranged, the length L of described steel plate body (4) is made as 20.3～21.8mm, width W is made as 30.7～32.2mm, its thickness T is made as 1.9～2.1mm, described adjutage (3) length L
1be made as 14.7～16.2mm, width W
1be made as 6.5～8.0mm,
Described steel plate body (4) is provided with intensifier, and described intensifier is at least four boss (6), and described boss (6) is arranged at the place apart from steel plate body (4) edge line 14.7～16.2mm, longitudinal pitch L between described boss (6)
2be 8.0～9.5mm, horizontal spacing L
3be 15.0～16.5mm, the depth H of described boss (6) is 0.6mm, and the diameter of boss (6) is 4.0mm.
2. bicycle brake pad according to claim 1, is characterized in that: described friction layer (2) is arch structure, its top radius of arc R
1be greater than bottom radius of arc R
2, described friction layer (2) is arranged on the convex surface of boss (6), and described friction layer (2) is suppressed and is formed by high temperature by friction material and high-temp glue.
3. bicycle brake pad according to claim 1, is characterized in that: described friction layer (2) thickness T
1be 2.9～3.1mm.
4. bicycle brake pad according to claim 1, is characterized in that: described adjutage (3) is provided with attachment hole (7), and described attachment hole (7) diameter is 3.5～3.7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420129231.8U CN203743270U (en) | 2014-03-20 | 2014-03-20 | Bicycle brake pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420129231.8U CN203743270U (en) | 2014-03-20 | 2014-03-20 | Bicycle brake pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203743270U true CN203743270U (en) | 2014-07-30 |
Family
ID=51343073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420129231.8U Expired - Lifetime CN203743270U (en) | 2014-03-20 | 2014-03-20 | Bicycle brake pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203743270U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836100A (en) * | 2014-03-20 | 2014-06-04 | 唐泽交通器材(泰州)有限公司 | Bicycle brake pad |
| CN110195753A (en) * | 2018-02-27 | 2019-09-03 | 株式会社岛野 | Friction member and brake block |
-
2014
- 2014-03-20 CN CN201420129231.8U patent/CN203743270U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836100A (en) * | 2014-03-20 | 2014-06-04 | 唐泽交通器材(泰州)有限公司 | Bicycle brake pad |
| CN110195753A (en) * | 2018-02-27 | 2019-09-03 | 株式会社岛野 | Friction member and brake block |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |