CN104358771A - High-strength brake cable - Google Patents
High-strength brake cable Download PDFInfo
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- CN104358771A CN104358771A CN201410576455.8A CN201410576455A CN104358771A CN 104358771 A CN104358771 A CN 104358771A CN 201410576455 A CN201410576455 A CN 201410576455A CN 104358771 A CN104358771 A CN 104358771A
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- braking string
- brake cable
- internal lining
- carbon fiber
- layer
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Abstract
The invention relates to a high-strength brake cable which comprises an outer wrapping layer (1), two parallel lining pipes (2) and two metal wire sets (3); each brake cable body (4) comprises an inner carbon fiber core wire set (4.1) and an outer resin layer (4.2); one end of an outer sleeve pipe (5) is arranged on the outer wrapping layer (1), and the other end of the outer sleeve pipe axially extends outwards along the outer wrapping layer (1) and is arranged on the brake cable body (4); an annular belt (6) is arranged at the end part of the brake cable body (4). According to the high-strength brake cable, two brake cable bodies are uniformly stressed and are easy to form, light in weight, resistant to chemical corrosion, good in weather resistance and low in production cost; the lining pipes and the outer wrapping layer of the brake cable are difficult to slide relatively, so that the use effect of a brake system is guaranteed; the outer sleeve pipe is capable of effectively protecting a connector part at the end part of the brake cable from being worn, thereby guaranteeing the driving safety.
Description
Technical field
The present invention relates to a kind of braking string, for bicycle brake system.Belong to bicycle accessories field.
Background technique
Bicycle brake system comprises brake lever, braking string, the accessories such as brake binder, before the brake system of prior art is typically provided with one, one latter two braking string and corresponding with it two brake levers and two brake binders, braking string easily ruptures in use for some time, cause brake failure, potential safety hazard is higher, for solving the problems of the technologies described above the two-wire brake system needing use two front brake fares and two rear brake fares, two front brake fares of this brake system need length consistent, two braking string body uniform force during to ensure to brake, but two separate braking string bodies cannot ensure that length is consistent, also there is certain difficulty in assembling.
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.
Not, easily there is relative sliding in internal lining pipe and surrounding layer for frictional force between existing braking string internal lining pipe and surrounding layer and support force, brake can be caused like this to stop tight, have impact on the using effect of brake system; Its end of the surrounding 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.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, provide the braking string that a kind of intensity is high, the internal lining pipe of this braking string ensures that two braking string are isometric, two braking string body uniform force when ensureing to brake; Simultaneously braking string this body formed simple, quality is light, resistance to chemical attack, good weatherability, cost of production are low; Effectively increasing the frictional force between internal lining pipe and surrounding layer and support force, not easily there is relative sliding in internal lining pipe and surrounding layer, ensure that the using effect of brake system; And outer sleeve energy available protecting braking string end-fitting part wears, and ensure that traffic safety.
The object of the present invention is achieved like this:
The braking string that a kind of intensity is high, be characterized in: described braking string comprises surrounding layer, the internal lining pipe of two side by side parallel settings and two wires, the length of two internal lining pipes is equal, braking string body is provided with in described internal lining pipe, two wires are wrapped in the outer wall of internal lining pipe respectively, surrounding layer is coated on outside two wires, described braking string body comprises the carbon fiber heart yearn group of internal layer and outer field resin layer, one end of described outer sleeve is arranged on surrounding layer, the other end axially stretches out along surrounding layer and is arranged on braking string body, the end of described braking string body is provided with endless belt.
The braking string that a kind of intensity of the present invention is high, its carbon fiber heart yearn group is made up of multi-beam carbon-fiber heart yearn, comprises 1000 ~ 200000 carbon fibers in every a branch of carbon fiber core, and the diameter of every root carbon fiber is 5 ~ 15 microns.
The braking string that a kind of intensity of the present invention is high, its resin layer is that polyamide 6 or polyamide 66 or PPTA resinous layer material are made.
A kind of braking string of the present invention, its groups of metal filaments has 15 ~ 25 one metal wires.
Compared with prior art, the invention has the beneficial effects as follows:
The braking string that a kind of intensity of the present invention is high, its internal lining pipe ensures that two braking string bodies are isometric, two braking string body uniform force when ensureing to brake.
The braking string that a kind of intensity of the present invention is high, its braking string body is made carbon fiber heart yearn group and is coated on the resin layer outside carbon fiber heart yearn group, obtained braking string this body formed simple, quality is light, resistance to chemical attack, good weatherability, cost of production are low.
Because the groups of metal filaments between surrounding layer and internal lining pipe is closely arranged in radial direction, be axially helical pattern, therefore effectively increase the frictional force between surrounding layer and internal lining pipe and support force, between surrounding layer and internal lining pipe, not easily relative sliding occurs, ensure brake system using effect.
The braking string that a kind of intensity of the present invention is high, 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 sectional view of a kind of braking string of the present invention.
Fig. 2 is the structural representation of braking string body of the present invention.
Fig. 3 is the A-A sectional drawing in Fig. 2.
Fig. 4 is the schematic diagram of the present invention's axially-aligned wiry.
Fig. 5 is the structural representation of joint of the present invention.
Fig. 6 is the schematic diagram of the end of braking string body of the present invention.
In figure:
Surrounding layer 1,
Internal lining pipe 2,
Groups of metal filaments 3,
Braking string body 4,
Carbon fiber heart yearn group 4.1,
Resin layer 4.2,
Outer sleeve 5,
Endless belt 6.
Embodiment
See Fig. 1-4, the present invention relates to the braking string that a kind of intensity is high, comprise surrounding layer 1, the internal lining pipe 2 of two side by side parallel settings and groups of metal filaments 3, the length of two internal lining pipes 2 is equal, braking string body 4 is provided with in described internal lining pipe 2, described groups of metal filaments 3 comprises many one metal wires, wire is closely arranged at internal lining pipe 2 outer wall, length direction wiry is axial consistent with internal lining pipe 2, and many one metal wires along its length upper bending (are similar to the wire rope that twisting is shaping) twist, described groups of metal filaments 3 has 15 ~ 25 one metal wires, optimum is 21, described surrounding layer 1 is coated on outside groups of metal filaments 3.
Described braking string body 4 comprises carbon fiber heart yearn group 4.1 and the outer field resin layer 4.2 of internal layer, described carbon fiber heart yearn group 4.1 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 4.2 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. 5, one end of described outer sleeve 5 is arranged on surrounding layer 1, and the other end axially stretches out along surrounding layer 1 and is arranged on braking string body 4.
See Fig. 6, the end of described braking string body 4 is provided with endless belt 6.
Braking string body 4 of the present invention once-through, in the process of preparation braking string body, the head of extruder, through a branch of continuous print carbon fiber, makes braking string body 4 from the resin layer 4.2 carbon fiber heart yearn group 4.1 that is coated on tightly of extruder molten state out.
The diameter of carbon fiber heart yearn group 4.1 can control for the hauling speed of drawing carbon fiber heart yearn tractor by regulating, and then according to required length, continuous print braking string body is sheared.
The density of carbon fiber heart yearn group 4.1 of the present invention is low, and it is 1.76 ~ 1.8g/cm
3, and traditional stainless density as braking string body is 7.5 ~ 8g/cm
3, carbon fiber heart yearn has high specific strength simultaneously, and make the braking string of same thickness, the intensity of carbon fiber heart yearn is far above stainless intensity, and weight is 1/4th of stainless steel braking string.
In addition, the resistance to chemical attack of carbon fiber heart yearn, good weatherability, low cost of manufacture.
Installation process: inserted in two internal lining pipes be arranged side by side 2 respectively by two braking string bodies 4 during assembling, be then connected with bicycle brake handle one end of two braking string bodies 4, the other end is connected with braking binder of bicycle.The length of two internal lining pipes 2 unanimously can ensure that braking string body 4 length is consistent, two braking string body uniform force when braking, and this structure is more convenient at fit on compared with two separate internal lining pipes, and profile is cleaner and tidier, attractive in appearance.
Claims (4)
1. the braking string that an intensity is high, it is characterized in that: described braking string comprises surrounding layer (1), the internal lining pipe (2) of two side by side parallel settings and two groups of metal filaments (3), the length of two internal lining pipes (2) is equal, braking string body (4) is provided with in described internal lining pipe (2), described groups of metal filaments (3) comprises many one metal wires, wire is closely arranged at internal lining pipe (2) outer wall, length direction wiry is axial consistent with internal lining pipe (2), and many one metal wires are upper along its length to be bent twist, described surrounding layer (1) is coated on groups of metal filaments (3) outward, described braking string body (4) comprises carbon fiber heart yearn group (4.1) and the outer field resin layer (4.2) of internal layer, one end of described outer sleeve (5) is arranged on surrounding layer (1), the other end axially stretches out along surrounding layer (1) and is arranged on braking string body (4), the end of described braking string body (4) is provided with endless belt (6).
2. the braking string that a kind of intensity according to claim 1 is high, it is characterized in that: described carbon fiber heart yearn group (4.1) is made up of multi-beam carbon-fiber heart yearn, comprise 1000 ~ 200000 carbon fibers in every a branch of carbon fiber core, the diameter of every root carbon fiber is 5 ~ 15 microns.
3. the braking string that a kind of intensity according to claim 1 is high, is characterized in that: described resin layer (4.2) is made for polyamide 6 or polyamide 66 or PPTA resinous layer material.
4. the braking string that a kind of intensity according to claim 1 is high, is characterized in that: described groups of metal filaments (3) has 15 ~ 25 one metal wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410576455.8A CN104358771A (en) | 2014-10-27 | 2014-10-27 | High-strength brake cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410576455.8A CN104358771A (en) | 2014-10-27 | 2014-10-27 | High-strength brake cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104358771A true CN104358771A (en) | 2015-02-18 |
Family
ID=52526067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410576455.8A Pending CN104358771A (en) | 2014-10-27 | 2014-10-27 | High-strength brake cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104358771A (en) |
-
2014
- 2014-10-27 CN CN201410576455.8A patent/CN104358771A/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 |
Application publication date: 20150218 |
|
| WD01 | Invention patent application deemed withdrawn after publication |