CN206668729U - Control cable yarn of bicycle structure-improved - Google Patents

Abstract

The utility model discloses control cable yarn of bicycle structure-improved, including an inside conductor and the wrap being coated on the outside of the inside conductor, the wrap includes from inside to outside a wearing layer of sequentially stacking cladding, one steel wire layer and a coating layer, the steel wire layer includes a main steel wire and a secondary steel wire, the circular cross-section of the main steel wire and it is wound in minor spiral angle outside the wearing layer and forms an axial spacing, the secondary steel wire is located in the outer part among being spirally wound around the axial spacing of the main steel wire, on and, lower side is tangent with adjacent main steel wire respectively, the thickness of the secondary steel wire is less than the thickness of main steel wire, the secondary steel wire on the outside of during control cable yarn of bicycle bending is set inwardly to sink to and still fill and be covered among the axial spacing of the main steel wire so that the outside of the steel wire layer will not produce inside and outside gap；By said structure make it have flexibility it is good and bend after be not likely to produce cut and do not influence control precision the effect of and be applied to brake cable and shift cable.

Description

Control cable yarn of bicycle structure-improved

Technical field

The utility model is good on a kind of technical field of the configuration aspects of control cable yarn of bicycle, espespecially a kind of flexibility And it is not likely to produce cut after bending and does not influence control precision and be applied to the control cable yarn of bicycle of brake cable and shift cable Structure-improved person.

Background technology

Refer to Fig. 1, shown in 2, control cable yarn of bicycle structure of the prior art, mainly include an inside conductor 10 and bag A wrap 11 in the outside of inside conductor 10 is overlying on, the wherein wrap 11 sequentially has a wearing layer 12, a steel from inside to outside The coating layer 14 of line layer 13 and one, the steel wire layer 13 are that low pitch angle is wound in outside the wearing layer 12 without the one of axial spacing Steel wire is flattened, the section of the flattening steel wire is rectangular.Therefore, it has preferable flexibility and is readily bent into any radian, But it can cause will more to produce towards outside bigger in bending because of mutually fastening on the inside of the flattening steel wire of curved interior Gap, more big then its increase of the relative stroke that will therefore increase the inside conductor 10, the especially more flexibility in its knee The stroke of the inside conductor 10 is bigger, thus its to be easily caused the stroke of the inside conductor 10 unstable and influence its precision, so its Brake cable is only applicable to, and is not suitable for the shift cable that control precision requires high.Especially, the known bicycle control cable For cable architecture in bending, steel wire is flattened in the outside of the steel wire layer 13 can produce larger gap, once the time is too long or collision When rubbing to other objects, the coating layer 14 that is coated on outside the steel wire layer 13 is easy to split, damaged and form cut, and then makes rain Water is easy to invade and causes the steel wire layer 13 to get rusty the situation of significantly reduction of service life.

Refer to shown in Fig. 3, for another control cable yarn of bicycle structure in the prior art, mainly include an inside conductor 10 And be coated on a wrap 11 in the outside of the inside conductor 10, wherein the wrap 11 sequentially have from inside to outside a wearing layer 12, One steel wire layer 13 and a coating layer 14, the steel wire layer 13 are centered around outside the wearing layer 12 and formed side by side by multiple steel wires, and should Multiple steel wires and formed with large helix angle.Therefore, though it will not have an impact precision in bending and produce the situation of cut, The flexibility for being it is excessively poor and can not make any bending, thus its be generally only applicable to that bending change is few and flexibility compared with Small shift cable, and it is not suitable for brake cable.

Utility model content

Main purpose of the present utility model, which is to solve the structure of control cable yarn of bicycle in the prior art, can not have concurrently and scratch Qu Xingjia and control precision are good, and cause to be intended to just to need using two kinds of different structures voluntarily when having good riding control effect Car controls cable in turn result in the problems such as assembling inconvenience and cost raising respectively as brake cable and shift cable.

The utility model provides a kind of control cable yarn of bicycle structure-improved, including an inside conductor and being coated in described is led A wrap on the outside of line, the wrap include from inside to outside a wearing layer of sequentially stacking cladding, a steel wire layer and one Coating layer, wherein the steel wire layer includes a main steel wire and a secondary steel wire, the circular cross-section of the main steel wire and with minor spiral Angle is wound on the outside of the wearing layer and is spirally wound around the axle of the main steel wire formed with an axial spacing, the secondary steel wire Locate in the outer part among spacing, and upper and lower side is tangent with the adjacent main steel wire respectively, the thickness of the secondary steel wire is less than The thickness of the main steel wire, the secondary steel wire on the outside of during the control cable yarn of bicycle bending is set inwardly to sink to and still fill It is covered among the axial spacing of the main steel wire, so that the outside of the steel wire layer will not produce inside and outside gap.

Wherein, the upper and lower side of the secondary steel wire forms two close oblique surfaces of inner relative tilt, makes the secondary steel wire Section formed ecto-entad gradually-reducing shape.

Wherein, the oblique surface of one of formation one of the upper and lower side of the secondary steel wire, the section shape of the secondary steel wire is made Into ecto-entad gradually-reducing shape.

Wherein, the section of the secondary steel wire is triangular in shape.

Wherein, the section of the secondary steel wire is trapezoidal.

Wherein, the outside of the secondary steel wire on the outside of the main steel wire with flushing.

Wherein, the thickness of the secondary steel wire is the 1/2 of the thickness of the main steel wire.

Control cable yarn of bicycle structure-improved provided by the utility model, after its bending, the main steel wire and the secondary steel Line can form the state staggeredly slided, and be pushed inwardly out the secondary steel wire of inner side, to make it have good flexibility and bending Variability, and can also reduce the influence to control precision, and the secondary steel wire in outside then can inwardly sink to and still fill capping Among the axial spacing of the main steel wire, cause the outside of the steel wire layer will not produce inside and outside gap, and thereby can Prevent the coating layer in outside from producing the situation of cut, and then significantly increase the service life.Therefore its with flexibility it is good and The good characteristic of control precision, and it is applied to brake cable and shift cable.

Brief description of the drawings

Fig. 1 is a kind of schematic perspective view of known control cable yarn of bicycle；

Fig. 2 is Fig. 1 known control cable yarn of bicycle part section enlarged diagram after bending；

Fig. 3 is the schematic perspective view of another known control cable yarn of bicycle；

Fig. 4 is schematic perspective view of the present utility model；

Fig. 5 is section enlarged diagram of the present utility model；

Fig. 6 is the part section enlarged diagram of steel wire layer of the present utility model；

Fig. 7 is the utility model part section enlarged diagram after bending；

Fig. 8 is second of embodiment aspect schematic diagram of steel wire layer of the present utility model；

Fig. 9 is the third embodiment aspect schematic diagram of steel wire layer of the present utility model；

Figure 10 is the 4th kind of embodiment aspect schematic diagram of steel wire layer of the present utility model.

Description of reference numerals：

Prior art：

10 inside conductors；11 wraps；

12 wearing layers；13 steel wire layers；

14 coating layers.

The utility model：

20 inside conductors；

30 wraps；31 wearing layers；

32 steel wire layers；321 main steel wires；

322 secondary steel wires；323 axial spacing；

324 oblique surfaces；The thickness of the main steel wires of H1；

The thickness of H2 pair steel wires；33 coating layers.

Embodiment

Refer to shown in Fig. 4~7, include an inside conductor for control cable yarn of bicycle structure-improved described in the utility model 20 and a wrap 30, wherein：

The wrap 30 is coated on the outside of the inside conductor 20, and the wrap 30 sequentially has a wearing layer from inside to outside 31st, a steel wire layer 32 and a coating layer 33.The wearing layer 31 is the wear-resistant material of resistance to compression, such as iron not dragon.The steel wire layer 32 Including a main 321 and one secondary steel wire 322 of steel wire, the circular cross-section of the main steel wire 321 and to be wound in this with minor spiral angle resistance to Simultaneously there is an axial spacing 323 in mill layer 31 outside, the secondary spiral of steel wire 322 scratch be around in the main steel wire 321 axial spacing 323 it In outside, and the thickness H2 of the secondary steel wire 322 be less than the main steel wire 321 thickness H1, the upper and lower side of the secondary steel wire 322 At least within one oblique surface 324 of formation, the section of the secondary steel wire 322 is formed ecto-entad gradually-reducing shape, and and make The upper and lower side of the secondary steel wire 322 is tangent with adjacent main steel wire 321 respectively.The material of the coating layer 33 is PVC.In this reality To apply in example, the outside of the secondary steel wire 322 flushes with the outside of the main steel wire 321, and the section of the secondary steel wire 322 is triangular in shape, and Thickness H2 is the 1/2 of the thickness H1 of the main steel wire 321, and the upper and lower side of the secondary steel wire 322 is all formed as oblique surface 324.

Coordinate Fig. 6,7, it can be seen that after control cable yarn of bicycle bending of the present utility model, the main steel wire 321 and the secondary steel Line 322 can form the state staggeredly slided by the effect of upper and lower two oblique surface 324, make the quilt of secondary steel wire 322 of inner side Inwardly release, and make it have good flexibility and bending change and the influence to control precision can be reduced, and The secondary steel wire 322 in outside then can inwardly sink to and still fill and be covered among the axial spacing 323 of the main steel wire 321, cause this The outside of steel wire layer 32 will not produce inside and outside gap, and thereby can prevent the coating layer 33 in outside from producing cut Situation, and then significantly increase the service life.Therefore it is with the characteristic that flexibility is good and control precision is good, and is applied to stop Fare and shift cable.

Refer to shown in Fig. 8, second of embodiment aspect of steel wire layer 32 of the present utility model, it is pointed out that the secondary steel wire The one of which of 322 only upper and lower sides forms guiding incline 324.

Refer to shown in Fig. 9, be the third embodiment aspect of steel wire layer 32 of the present utility model, it is pointed out that the secondary steel wire 322 section is trapezoidal, and upper and lower side is all formed as guiding incline 324.

Refer to shown in Figure 10, the 4th kind of embodiment aspect of steel wire layer 32 of the present utility model, it is pointed out that the secondary steel wire 322 section is trapezoidal, and the one of which of only upper and lower side is formed as guiding incline 324.

This new preferred embodiment is the foregoing is only, is not limited to the interest field of this new opinion, All other equivalent changes or modification completed without departing from this new disclosed spirit, it is special all should to be included in this new application In sharp scope.

Claims (7)

1. a kind of control cable yarn of bicycle structure-improved, it is characterised in that including an inside conductor and be coated on outside the inside conductor One wrap of side, the wrap include from inside to outside a wearing layer, a steel wire layer and a coating for sequentially stacking cladding Layer, wherein the steel wire layer includes a main steel wire and a secondary steel wire, the circular cross-section of the main steel wire and with minor spiral angle It is wound on the outside of the wearing layer and is spirally wound around formed with an axial spacing, the secondary steel wire between the axial direction of the main steel wire Locate in the outer part away among, and upper and lower side is tangent with the adjacent main steel wire respectively, the thickness of the secondary steel wire is less than described The thickness of main steel wire, the secondary steel wire on the outside of during the control cable yarn of bicycle bending is set inwardly to sink to and still fill capping Among the axial spacing of the main steel wire, so that the outside of the steel wire layer will not produce inside and outside gap.

2. control cable yarn of bicycle structure-improved as claimed in claim 1, it is characterised in that the upper and lower side of the secondary steel wire While forming two close oblique surfaces of inner relative tilt, the section of the secondary steel wire is set to form ecto-entad gradually-reducing shape.

3. control cable yarn of bicycle structure-improved as claimed in claim 1, it is characterised in that the upper and lower side of the secondary steel wire The oblique surface of one of formation one on side, the section of the secondary steel wire is set to form ecto-entad gradually-reducing shape.

4. control cable yarn of bicycle structure-improved as claimed in claim 2 or claim 3, it is characterised in that the section of the secondary steel wire It is triangular in shape.

5. control cable yarn of bicycle structure-improved as claimed in claim 2 or claim 3, it is characterised in that the section of the secondary steel wire It is trapezoidal.

6. control cable yarn of bicycle structure-improved as claimed in claim 2 or claim 3, it is characterised in that the outside of the secondary steel wire Flushed with the outside of the main steel wire.

7. control cable yarn of bicycle structure-improved as claimed in claim 2 or claim 3, it is characterised in that the thickness of the secondary steel wire For the 1/2 of the thickness of the main steel wire.