CN105197171A - Corrosion-resistant and fire-resistant braking device for bicycle - Google Patents
Corrosion-resistant and fire-resistant braking device for bicycle Download PDFInfo
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- CN105197171A CN105197171A CN201510692741.5A CN201510692741A CN105197171A CN 105197171 A CN105197171 A CN 105197171A CN 201510692741 A CN201510692741 A CN 201510692741A CN 105197171 A CN105197171 A CN 105197171A
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- brake cable
- resistant
- corrosion
- internal lining
- carbon fiber
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Abstract
The invention relates to a corrosion-resistant and fire-resistant braking device for a bicycle. The corrosion-resistant and fire-resistant braking device comprises a wrapping layer (1), two lining pipes (2) arranged in parallel, and two metal wire groups (3), wherein each of two brake cable bodies (4) comprises an inner carbon fiber core wire group (4.1) and an outer resin layer (4.2); a circular belt (5) is arranged at an end part of each brake cable body (4); a corrosion-resistant and fire-resistant coating is arranged on the surface of the wrapping layer (1). The corrosion-resistant and fire-resistant braking device has the advantages that the lining pipes are arranged to ensure the same lengths of the brake cable bodies, so that the brake cable bodies can be uniformly stressed during braking; the brake cable bodies are simply formed, light, highly resistant to chemical corrosion and weather resistance, low in production cost, and high in braking effect and brake cable safety; due to the corrosion-resistant and fire-resistant coating on the surface of the wrapping layer, the brake cable bodies are protected effectively and can be used normally.
Description
Technical field
The present invention relates to the anticorrosion fire prevention brake gear of a kind of bicycle, for bicycle brake system.Belong to bicycle accessories field.
Background technology
Bicycle brake system comprises Brake lever, brake cable, the accessories such as brake binder, before the brake system of prior art is typically provided with one, one latter two brake cable and corresponding with it two Brake levers and two brake binders, brake cable 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 brake cable body uniform force during to ensure to brake, but two separate brake cable bodies cannot ensure that length is consistent, also there is certain difficulty in assembling.
Existing brake cable 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 weather resisting property is bad, and productive costs is higher.
Not, easily there is relative sliding in internal lining pipe and surrounding layer for friction force between existing brake cable internal lining pipe and surrounding layer and bearing force, brake can be caused like this to stop tight, have impact on the result of use of brake system.
The end of the steel wire of existing brake cable be a hook for fixed handle, after period of service is longer, hook can be out of shape, and brake cable and handle so can be caused to throw off, thus brake failure, is prone to accidents.
The surrounding layer of existing brake cable is chronically exposed in environment, as scorching hot in run into burn into, can affect the normal use of brake cable, have potential safety hazard time serious.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, provide the anticorrosion fire prevention brake gear of a kind of bicycle, the internal lining pipe of this device ensures that two brake cable are isometric, two brake cable body uniform force when ensureing to brake; Simultaneously brake cable this body formed simple, quality is light, resistance to chemical attack, good weatherability, productive costs are low; Effectively increasing the friction force between internal lining pipe and surrounding layer and bearing force, not easily there is relative sliding in internal lining pipe and surrounding layer, ensure that the result of use of brake system, and ensure that traffic safety; The surface of surrounding layer is provided with anticorrosion fire protection coating, and therefore available protecting brake cable, ensure that the normal use of brake cable.
The object of the present invention is achieved like this:
The anticorrosion fire prevention brake gear of a kind of bicycle, be characterized in: described device comprises surrounding layer, the internal lining pipe of two side by side parallel settings and two metal filaments, the length of two internal lining pipes is equal, brake cable body is provided with in described internal lining pipe, two metal filaments are wrapped in the outer wall of internal lining pipe respectively, surrounding layer is coated on outside two metal filaments, described brake cable body comprises the carbon fiber heart yearn group of internal layer and outer field resin bed, the end of described brake cable body is provided with endless belt, the surface of described surrounding layer is provided with anticorrosion fire protection coating, anticorrosion fire resisting covering is 20-35mm, described anticorrosion fire protection coating constituent is as follows according to the mass fraction: polyvinyl alcohol 30-40 part, potassium sorbate 15-25 part, dispersing agent 9-22 part, french talc 3-15 part, resol 2-9 part, microencapsulated powder oil 1-5 part, dispersing agent is the one in liquid paraffin or calcium stearate.
The anticorrosion fire prevention brake gear of a kind of bicycle of the present invention, 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 anticorrosion fire prevention brake gear of a kind of bicycle of the present invention, its resin bed is that polyamide 6 or polyamide 66 or PPTA resinous layer material are made.
The anticorrosion fire prevention brake gear of a kind of bicycle 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 anticorrosion fire prevention brake gear of a kind of bicycle of the present invention, its internal lining pipe ensures that two brake cable bodies are isometric, two brake cable body uniform force when ensureing to brake.
The anticorrosion fire prevention brake gear of a kind of bicycle of the present invention, its brake cable body is made carbon fiber heart yearn group and is coated on the resin bed outside carbon fiber heart yearn group, obtained brake cable this body formed simple, quality is light, resistance to chemical attack, good weatherability, productive costs 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 friction force between surrounding layer and internal lining pipe and bearing force, between surrounding layer and internal lining pipe, not easily relative sliding occurs, ensure brake system result of use.
Brake cable body end is provided with an endless belt, fixing for brake cable body and handle, and therefore brake cable can not be thrown off with handle, ensure that traffic safety.
Surrounding layer surface is provided with anticorrosion fire protection coating, and therefore available protecting brake cable, ensure that the normal use of brake cable.
Accompanying drawing explanation
Fig. 1 is the section drawing of the anticorrosion fire prevention brake gear of a kind of bicycle of the present invention.
Fig. 2 is the structural representation of brake cable body of the present invention.
Fig. 3 is the A-A section-drawing in Fig. 2.
Fig. 4 is the schematic diagram of the present invention's axial array wiry.
Fig. 5 is the structural representation of the end of brake cable body of the present invention
In figure:
Surrounding layer 1,
Internal lining pipe 2,
Groups of metal filaments 3,
Brake cable body 4,
Carbon fiber heart yearn group 4.1,
Resin bed 4.2,
Endless belt 5.
Detailed description of the invention
See Fig. 1-4, the present invention relates to the anticorrosion fire prevention brake gear of a kind of bicycle, 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, brake cable body 4 is provided with in described internal lining pipe 2, described groups of metal filaments 3 comprises many one metal wires, metal filament 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 steel 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 brake cable body 4 comprises carbon fiber heart yearn group 4.1 and the outer field resin bed 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 bed 4.2 is preferably by PA6(polyamide 6), PA66(polyamide 66) and PPA(PPTA resin bed) the good resin material of weather resisting property makes, to improve brake cable service life.
See Fig. 5, the end of described brake cable body 4 is provided with endless belt 5.
Described surrounding layer 1 surface is provided with anticorrosion fire protection coating, anticorrosion fire resisting covering is 20-35mm, described anticorrosion fire protection coating constituent is as follows according to the mass fraction: polyvinyl alcohol 30-40 part, potassium sorbate 15-25 part, dispersing agent 9-22 part, french talc 3-15 part, resol 2-9 part, microencapsulated powder oil 1-5 part, described dispersing agent is the one in liquid paraffin or calcium stearate.
Embodiment 1,35 parts of polyvinyl alcohol are put into reactor with 23 parts of potassium sorbates mix, incorporation time is 1.5h, and mixing temperature is 40 degree, mixing rate is 90r/min, add 16 parts of dispersing agents after mixing terminates, continue to stir 20min, then add 8 parts of french talcs, 7 parts of resols and 4 parts of microencapsulated powder oil, mixing temperature is 50 degree, mixing rate is 110r/min, until after mixing, naturally cools to normal temperature.
Embodiment 2,37 parts of polyvinyl alcohol are put into reactor with 25 parts of potassium sorbates mix, incorporation time is 1.5h, and mixing temperature is 40 degree, mixing rate is 90r/min, add 14 parts of dispersing agents after mixing terminates, continue to stir 20min, then add 13 parts of french talcs, 7 parts of resols and 4 parts of microencapsulated powder oil, mixing temperature is 50 degree, mixing rate is 110r/min, until after mixing, naturally cools to normal temperature.
Embodiment 3,33 parts of polyvinyl alcohol are put into reactor with 21 parts of potassium sorbates mix, incorporation time is 1.5h, and mixing temperature is 40 degree, mixing rate is 90r/min, add 18 parts of dispersing agents after mixing terminates, continue to stir 20min, then add 14 parts of french talcs, 9 parts of resols and 5 parts of microencapsulated powder oil, mixing temperature is 50 degree, mixing rate is 110r/min, until after mixing, naturally cools to normal temperature.
Brake cable body 4 of the present invention one-shot forming, in the process of preparation brake cable body, the head of extruder, through a branch of continuous print carbon fiber, makes brake cable body 4 from the resin bed 4.2 carbon fiber heart yearn group 4.1 that is coated on tightly of extruder molten condition out.
The diameter of carbon fiber heart yearn group 4.1 can control for the haulage speed drawing carbon fiber heart yearn traction machine by regulating, and then according to required length, continuous print brake cable 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 brake cable body is 7.5 ~ 8g/cm
3, carbon fiber heart yearn has high strength-to-density ratio simultaneously, and make the brake cable of same thickness, the intensity of carbon fiber heart yearn is far above stainless intensity, and weight is 1/4th of corrosion-resistant steel brake cable.
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 brake cable bodies 4 during assembling, be then connected with bicycle brake handle one end of two brake cable bodies 4, the other end is connected with braking binder of bicycle.The length of two internal lining pipes 2 unanimously can ensure that brake cable body 4 length is consistent, two brake cable 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 anticorrosion fire prevention brake gear of bicycle, it is characterized in that: described device 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, brake cable body (4) is provided with in described internal lining pipe (2), described groups of metal filaments (3) comprises many one metal wires, metal filament 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 brake cable body (4) comprises carbon fiber heart yearn group (4.1) and the outer field resin bed (4.2) of internal layer, the end of described brake cable body (4) is provided with endless belt (5), the surface of described surrounding layer (1) is provided with anticorrosion fire protection coating, anticorrosion fire resisting covering is 20-35mm, described anticorrosion fire protection coating constituent is as follows according to the mass fraction: polyvinyl alcohol 30-40 part, potassium sorbate 15-25 part, dispersing agent 9-22 part, french talc 3-15 part, resol 2-9 part, microencapsulated powder oil 1-5 part, dispersing agent is the one in liquid paraffin or calcium stearate.
2. the anticorrosion fire prevention brake gear of a kind of bicycle according to claim 1, 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 anticorrosion fire prevention brake gear of a kind of bicycle according to claim 1, is characterized in that: described resin bed (4.2) is made for polyamide 6 or polyamide 66 or PPTA resinous layer material.
4. the anticorrosion fire prevention brake gear of a kind of bicycle according to claim 1, 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 |
|---|---|---|---|
| CN201510692741.5A CN105197171A (en) | 2015-10-24 | 2015-10-24 | Corrosion-resistant and fire-resistant braking device for bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510692741.5A CN105197171A (en) | 2015-10-24 | 2015-10-24 | Corrosion-resistant and fire-resistant braking device for bicycle |
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| Publication Number | Publication Date |
|---|---|
| CN105197171A true CN105197171A (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510692741.5A Pending CN105197171A (en) | 2015-10-24 | 2015-10-24 | Corrosion-resistant and fire-resistant braking device for bicycle |
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| Country | Link |
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| CN (1) | CN105197171A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107444009A (en) * | 2016-06-01 | 2017-12-08 | 株式会社岛野 | Bicycle use wheel rim |
-
2015
- 2015-10-24 CN CN201510692741.5A patent/CN105197171A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107444009A (en) * | 2016-06-01 | 2017-12-08 | 株式会社岛野 | Bicycle use wheel rim |
| CN107444009B (en) * | 2016-06-01 | 2020-04-03 | 株式会社岛野 | Bicycle rim |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151230 |
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| WD01 | Invention patent application deemed withdrawn after publication |