CN104819200A - High-strength wear-resistant brake cable - Google Patents
High-strength wear-resistant brake cable Download PDFInfo
- Publication number
- CN104819200A CN104819200A CN201510200403.5A CN201510200403A CN104819200A CN 104819200 A CN104819200 A CN 104819200A CN 201510200403 A CN201510200403 A CN 201510200403A CN 104819200 A CN104819200 A CN 104819200A
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- China
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- resin layer
- braking string
- carbon fiber
- heart yearn
- cable
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Abstract
The invention relates to a high-strength wear-resistant brake cable comprising a cable body (1). The cable body comprises a carbon fiber core wire set (1.1) and a resin layer (1.2). The carbon fiber core wire set (1.1) is disposed in the resin layer (1.2). One end of a sheath tube (2) is disposed on the resin layer (1.2), and the other end of the sheath tube (2) extends out axially along the resin layer (1.2) and is disposed on the carbon fiber core wire set (1.1); the end of the cable body (1) is provided with a circular tape (3); the surface of the cable body (1) is coated with a wear-resistant coating. The high-strength wear-resistant brake cable is simple to form, light in weight, resistant to chemical corrosion, good in wear resistance and low in production cost and allows a vehicle to be conveniently folded; the sheath tube can effectively protect the end connector of the cable from partial wear; the circular tape at the end of the cable body is used for fixing the cable body and a handle, thus the cable is never separated from the handle and riding safety is guaranteed.
Description
Technical field
The present invention relates to a kind of braking string, for folding bicycle brake system.Belong to bicycle accessories technical field.
Background technique
Folded bicycle has collapsible, easy manipulation, portable advantage, does not also need by external tools in folding using process, manually folding or launch from being about to car, after folding, can be more conveniently accommodated in automobile trunk or boarding case.
Existing folding bicycle is after vehicle folding, and braking string cannot be folded, and its length does not change, and longer one section bends outside, is easily hooked to by external object, affects the folder function of vehicle in vehicle transport process; And existing braking string body is made up of the hollow tubular of outside rubber and the steel wire of inside, and its insufficient strength is high, and resistance to chemical corrosion is poor, and weatherability is bad, and cost of production is higher; Its end of the resin layer of existing braking string is not owing to having outer sleeve, and therefore braking string end-fitting part is is easily worn and torn, and have impact on the using effect of brake system; The end of existing braking string body be a hook for fixed handle, after service time is longer, hook can be out of shape, and braking string and handle so can be caused to throw off, thus brake failure, is prone to accidents.
Existing braking string surface hardness is poor, can wear and tear after long-time use, thus can damaging internal braking string body.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, provide a kind of high-strength abrasion-proof braking string, this braking string braking string this body formed simple, quality is light, resistance to chemical attack, good weatherability, wear-resisting, cost of production is low; And can automatic retracted, be convenient to vehicle folding, and ensure that traffic safety.
The object of the present invention is achieved like this:
A kind of high-strength abrasion-proof braking string, be characterized in: described braking string comprises braking string body, described braking string body comprises carbon fiber heart yearn group and resin layer, carbon fiber heart yearn group is arranged in resin layer, resin layer is spring curve shape at length direction, described carbon fiber heart yearn group is made up of multi-beam carbon-fiber heart yearn, 1000 ~ 200000 carbon fibers are comprised in every a branch of carbon fiber core, one end of described outer sleeve is arranged on outside resin layer, the other end stretches out vertically and is arranged in carbon fiber heart yearn group, the end of described braking string body is provided with endless belt, the surface of described braking string body is coated with wear resistant coating, described wear resistant coating comprises fluoropolymer, polymer adhesive and inorganic filler film hardeners, the weight ratio of fluoropolymer and polymer adhesive is 0.5 ~ 2.0:1, the weight ratio of packing thin film hardening agent and fluoropolymer is 1.4:1, wherein thin filled film hardening agent comprises the ceramic particle that Mean particle diameter is at least 14 microns, ceramic particle has the Knoop hardness of at least 1200, be not more than the aspect ratio of 2.5, the cross section of the wear resistant coating of every 1 centimetre have three ceramic particles at least.
Compared with prior art, the invention has the beneficial effects as follows:
A kind of high-strength abrasion-proof braking string of the present invention, this braking string braking string this body formed simple, quality is light, resistance to chemical attack, good weatherability, wear-resisting, cost of production is low; And this braking string can automatic retracted, is convenient to vehicle folding; And outer sleeve energy available protecting braking string end-fitting part wears; Braking string body end is provided with an endless belt, fixing for braking string body and handle, and therefore braking string can not be thrown off with handle, ensure that traffic safety.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of high-strength abrasion-proof braking string of the present invention.
Fig. 2 is the schematic cross-section of Fig. 1.
Fig. 3 is the structural representation of braking string body end of the present invention.
In figure:
Braking string body 1,
Carbon fiber heart yearn group 1.1,
Resin layer 1.2,
Outer sleeve 2,
Endless belt 3.
Embodiment
See Fig. 1-2, the present invention relates to a kind of high-strength abrasion-proof braking string, it comprises braking string body 1, described braking string body comprises carbon fiber heart yearn group 1.1 and resin layer 1.2, carbon fiber heart yearn group 1.1 is arranged in resin layer 1.2, resin layer 1.2 is spring curve shape at length direction, under folded bicycle normal operating condition, braking string body keeps stretching using state normally, under folded bicycle folds and packs up situation, braking string body automatic retracted is spring-like, one end of described outer sleeve 2 is arranged on resin layer 1.2, the other end axially stretches out along resin layer 1.2 and is arranged in carbon fiber heart yearn group 1.1.
Described carbon fiber heart yearn group 1.1 is made up of multi-beam carbon-fiber heart yearn, 1000 ~ 200000 carbon fibers are comprised in every a branch of carbon fiber core, the diameter of every root carbon fiber is 5 ~ 15 microns, described resin layer 1.2 is preferably by PA6(polyamide 6), PA66(polyamide 66) and PPA(PPTA resin layer) the good resin material of weatherability makes, to improve braking string working life.
See Fig. 3, the end of described braking string body 1 is provided with endless belt 3.
The surface of described braking string body 1 is coated with wear resistant coating, described wear resistant coating comprises fluoropolymer, polymer adhesive and inorganic filler film hardeners, the weight ratio of fluoropolymer and polymer adhesive is 0.5 ~ 2.0:1, the weight ratio of packing thin film hardening agent and fluoropolymer is 1.4:1, wherein thin filled film hardening agent comprises the ceramic particle that Mean particle diameter is at least 14 microns, ceramic particle has the Knoop hardness of at least 1200, be not more than the aspect ratio of 2.5, the cross section of the wear resistant coating of every 1 centimetre has three ceramic particles at least.
Claims (1)
1. a high-strength abrasion-proof braking string, it is characterized in that: described braking string comprises braking string body (1), described braking string body comprises carbon fiber heart yearn group (1.1) and resin layer (1.2), carbon fiber heart yearn group (1.1) is arranged in resin layer (1.2), resin layer (1.2) is spring curve shape at length direction, described carbon fiber heart yearn group (1.1) is made up of multi-beam carbon-fiber heart yearn, 1000 ~ 200000 carbon fibers are comprised in every a branch of carbon fiber core, one end of described outer sleeve (2) is arranged on resin layer (1.2), the other end axially stretches out along resin layer (1.2) and is arranged in carbon fiber heart yearn group (1.1), the end of described braking string body (1) is provided with endless belt (3), the surface of described braking string body (1) is coated with wear resistant coating, described wear resistant coating comprises fluoropolymer, polymer adhesive and inorganic filler film hardeners, the weight ratio of fluoropolymer and polymer adhesive is 0.5 ~ 2.0:1, the weight ratio of packing thin film hardening agent and fluoropolymer is 1.4:1, wherein thin filled film hardening agent comprises the ceramic particle that Mean particle diameter is at least 14 microns, ceramic particle has the Knoop hardness of at least 1200, be not more than the aspect ratio of 2.5, the cross section of the wear resistant coating of every 1 centimetre have three ceramic particles at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510200403.5A CN104819200A (en) | 2015-04-27 | 2015-04-27 | High-strength wear-resistant brake cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510200403.5A CN104819200A (en) | 2015-04-27 | 2015-04-27 | High-strength wear-resistant brake cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104819200A true CN104819200A (en) | 2015-08-05 |
Family
ID=53729619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510200403.5A Pending CN104819200A (en) | 2015-04-27 | 2015-04-27 | High-strength wear-resistant brake cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104819200A (en) |
-
2015
- 2015-04-27 CN CN201510200403.5A patent/CN104819200A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150805 |