CN103836100A - Bicycle brake pad - Google Patents
Bicycle brake pad Download PDFInfo
- Publication number
- CN103836100A CN103836100A CN201410106372.2A CN201410106372A CN103836100A CN 103836100 A CN103836100 A CN 103836100A CN 201410106372 A CN201410106372 A CN 201410106372A CN 103836100 A CN103836100 A CN 103836100A
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- China
- Prior art keywords
- steel plate
- layer
- boss
- brake pad
- adjutage
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Abstract
The invention relates to a bicycle brake pad. A steel board layer is composed of a steel board body and an extending arm, wherein the vertical portion of the upper portion of the extending arm is in arc transition with the horizontal portion of the lower portion of the steel board body, the arc transition is set in a symmetrical mode, and the steel board body is provided with a reinforcing device comprising at least four bosses. Meanwhile, the bosses arranged on the steel board layer are inserted into a friction layer in a pressing process, the bosses are at least four in number, the longitudinal separation distance L2 between every two bosses ranges 8.0 mm to 9.5 mm, the transverse separation distance L3 between every two bosses ranges from 15.0 mm to 16.5 mm, the depth H of each boss is 0.6 mm, and the diameter phi of each boss is 4.0 mm. Therefore, the inserted area is large, the arranged bosses are evenly distributed, shearing force of the brake pad is enhanced in both the longitudinal direction and the transverse direction, and shearing strength of the brake pad is enhanced.
Description
Technical field
The present invention relates to a kind of brake system of bicycle, refer 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.
Summary of the invention
The technical problem to be solved in the present invention 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 invention 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 present invention 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 ℃～150 ℃ 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.
Accompanying drawing explanation
Fig. 1 is the structural representation of bicycle brake pad of the present invention.
Fig. 2 is bicycle brake pad light plate layer of the present invention and friction layer tacky state figure.
Fig. 3 is the generalized section of the A～A of brake block of the present invention.
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 ℃～150 ℃ 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 (5)
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 and 2, it is characterized in that: 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%.
4. bicycle brake pad according to claim 1, is characterized in that: described friction layer (2) thickness T
1be 2.9～3.1mm.
5. 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 |
|---|---|---|---|
| CN201410106372.2A CN103836100A (en) | 2014-03-20 | 2014-03-20 | Bicycle brake pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410106372.2A CN103836100A (en) | 2014-03-20 | 2014-03-20 | Bicycle brake pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103836100A true CN103836100A (en) | 2014-06-04 |
Family
ID=50799898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410106372.2A Pending CN103836100A (en) | 2014-03-20 | 2014-03-20 | Bicycle brake pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103836100A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1094236B1 (en) * | 1999-10-20 | 2005-09-07 | CWW-GERKO Akustik GmbH | Brake pad |
| US20070170023A1 (en) * | 2006-01-26 | 2007-07-26 | Katsuhiro Yamamoto | Disc brake pad, back plate for pad and method of manufacturing back plate for pad |
| CN101586636A (en) * | 2009-07-06 | 2009-11-25 | 中南大学 | Low ceramet group automobile brake block and preparation method thereof |
| CN201739396U (en) * | 2010-08-24 | 2011-02-09 | 洪建栋 | Bicycle brake pad |
| CN203743270U (en) * | 2014-03-20 | 2014-07-30 | 唐泽交通器材(泰州)有限公司 | Bicycle brake pad |
-
2014
- 2014-03-20 CN CN201410106372.2A patent/CN103836100A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1094236B1 (en) * | 1999-10-20 | 2005-09-07 | CWW-GERKO Akustik GmbH | Brake pad |
| US20070170023A1 (en) * | 2006-01-26 | 2007-07-26 | Katsuhiro Yamamoto | Disc brake pad, back plate for pad and method of manufacturing back plate for pad |
| CN101586636A (en) * | 2009-07-06 | 2009-11-25 | 中南大学 | Low ceramet group automobile brake block and preparation method thereof |
| CN201739396U (en) * | 2010-08-24 | 2011-02-09 | 洪建栋 | Bicycle brake pad |
| CN203743270U (en) * | 2014-03-20 | 2014-07-30 | 唐泽交通器材(泰州)有限公司 | Bicycle brake pad |
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Application publication date: 20140604 |
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| RJ01 | Rejection of invention patent application after publication |