CN205523425U - Bicycle pneumatic tire of inner tube of a tyre exempts from - Google Patents

Abstract

The utility model discloses a bicycle pneumatic tire of inner tube of a tyre exempts from, the matrix structure of tire includes the tread and lies in the side wall of tread both sides and the child lip of cooperation rim installation, the curtain yarn layer of side wall after by the rubberizing constitutes, the surface of curtain yarn layer is equipped with the inoxidizing coating, the inoxidizing coating extends to the sizing material basal portion of tread, the surface of inoxidizing coating is equipped with the coverage texture layer narrower than the inoxidizing coating. The utility model discloses a pneumatic tire's security performance can be ensured to exempt from in the cooperation setting of the inside and outside length of texture layer and inoxidizing coating.

Description

A kind of bicycle pneumatic tire exempting from the inner tube of a tyre

Technical field

This utility model relates to a kind of bicycle pneumatic tire exempting from the inner tube of a tyre, particularly to one at tire and The bicycle pneumatic tire structure exempting from the inner tube of a tyre of liquid-leakage preventing is poured in conventional rim.

Background technology

The wheel exempting from inner tube structure is used at high-end bicycle art, especially match use or mountain-climbing bicycle Tire (vacuum tyre) is gradually increased, and exempts from the bicycle of the inner tube of a tyre in addition to the particular design of carcass structure, also Need to support the use price sufficiently expensive exempt from the special wheel rim of the inner tube of a tyre.In recent years, in order to allow ordinary bicycle like Person also can enjoy exempt from that the tire of inner tube structure brings ride impression, develop at tire and conventional rim Inside pour into liquid-leakage preventing and reach to exempt from the new usage of inner tube of a tyre function, and rapid popular popularization.

Being illustrated in figure 1 the existing bicycle tyre structure 1 ' exempting from the inner tube of a tyre, tire is provided with inside in one layer Face glue 20 ', to ensure air-tightness.Owing to high-end bicycle tyre carcass has lightweight, pliable and tough the wanting in sidewall Asking, its curtain yarn layer 11 ' after sidewall 10 ' outer surface is typically designed as only gluing is constituted, without extra Compound layer covers.Time actually used, owing to sidewall 10 ' is the weakest, easily punctured by foreign object, security performance The highest, and the existing bicycle tyre performance exempting from the inner tube of a tyre can not the new usage of entirely appropriate filling liquid-leakage preventing. Therefore, need to fill liquid-leakage preventing for conventional rim and reach to exempt from the new usage of inner tube of a tyre function, research design is a kind of new The bicycle tyre structure exempting from the inner tube of a tyre of type, is allowed to security performance strengthening simultaneously.

Utility model content

The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, it is provided that a kind of increasing protects gas effect Really, anti prick function and the bicycle pneumatic tire exempting from the inner tube of a tyre of safety are promoted.

For achieving the above object, this utility model is by the following technical solutions:

A kind of bicycle pneumatic tire exempting from the inner tube of a tyre, the carcass structure of tire includes tyre surface and is positioned at tyre surface The tire lip that the sidewall of both sides and cooperation wheel rim are installed, described sidewall is made up of the curtain yarn layer after gluing, described The outer surface of curtain yarn layer is provided with overcoat, and described overcoat extends to the sizing material base portion of described tyre surface, described The outer surface of overcoat is provided with the texture layer that coverage is narrower than overcoat.

Described texture layer is specifically by two groups of bending directions are contrary and the camber line being "X" shape that intersects is along tire It is latticed that circumferencial direction is uniformly distributed formation.

Described texture layer is extended below the position of end at the tire shoulder of tyre surface by tire lip, and texture layer Distance between top and tire shoulder end is 3mm～8mm.

Height of projection≤the 0.4mm of described texture layer.

The texture cross section of described texture layer is semicircle, triangle or rectangle.

Described overcoat is extended to above the position of the tire shoulder end of tyre surface, and the top of overcoat by tire lip Distance between end and tire shoulder end is 4mm～10mm.

Thickness≤the 0.6mm of described overcoat.

After using technique scheme, this utility model, compared with background technology, has the advantage that

This utility model reaches to exempt from the effect of inner tube of a tyre function by improving sidewall decorative pattern and structure design, Sidewall surface is designed with the texture being "X" shape grid that camber line intersects；Texture layer and curtain yarn layer it Between one layer of overcoat is set, overcoat is extended to the sizing material base portion of tyre surface by tire lip.Overcoat uses height The composite of density intertexture stratum reticulare and rubber, can keep the pliability on sidewall and promote cut resistant, anti-stab Property, increase extra guarantor's gas effect simultaneously.It is equipped with, really by length inside and outside texture layer and overcoat The security performance of the utility model that breaks even non-inflatable tyre.

Accompanying drawing explanation

Fig. 1 is the existing bicycle tyre sectional schematic diagram exempting from the inner tube of a tyre；

Fig. 2 is tire section schematic diagram of the present utility model；

Fig. 3 is the texture layer partial plan layout at this utility model tire sidewall；

Fig. 4 is the section enlarged diagram at this utility model tire sidewall；

Detailed description of the invention

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with attached Figure and embodiment, be further elaborated to this utility model.Should be appreciated that described herein Specific embodiment, only in order to explain this utility model, is not used to limit this utility model.

Embodiment

Such as Fig. 2, this utility model discloses a kind of novel bicycle pneumatic tire structure 1 exempting from the inner tube of a tyre. Wherein, vertical direction is set as tire radially, and horizontal direction is set as that tire axial, single dotted broken line represent red Road plane.Carcass structure 1 of the present utility model includes tyre surface 40, is positioned at the tire of tyre surface 40 both sides Side 10 and tire lip 30 three parts, the property such as wherein tyre surface 40 is compound layer, main responsible ground connection abrasion Energy；Sidewall 10 is made up of the curtain yarn layer 11 after gluing；Tire lip 30 is the position coordinating wheel rim to install.Pin Conventional rim filling liquid-leakage preventing reach to exempt from inner tube of a tyre use, liquid-leakage preventing can be smeared equably along with the rotation of tire At wheel rim die cavity and tire inside, reach to protect gas effect.Therefore, tire of the present utility model does not sets Put the inner face glue protecting gas effect, reduce cost, alleviate weight.

As shown in Figure 3, Figure 4, the outmost surface on sidewall 10 be designed with one layer intersected by camber line and The texture layer 12 become, texture layer 12 is specifically contrary by two groups of bending directions and intersects and is "X" shape Camber line is uniformly distributed into latticed along tire circumferential direction.This texture layer 12 is to be extended to by tire lip 30 A point near the tire shoulder 41 of tyre surface, the position of A point less than 41 ends and the standoff distance S1 of tire shoulder is 3mm～8mm.The texture cross section of texture layer 12 is the suitably shape such as semicircle, triangle, rectangle, Height of projection H1 of texture layer 12≤0.4mm.Latticed texture layer 12 has been roughened sidewall 10, during production Can avoid producing bad because smooth surface aerofluxus is the best；On the other hand, the finest and closely woven, small Projection adds the sizing material thickness on sidewall 10, helps to stop extraneous slighter scraping, promotes rub resistance Can, but actually tire weight does not increases, and controls lightweight and cost.

In order to promote the cut resistant of this utility model non-inflatable tyre, anti-stab and gas retaining energy further, Sticking on one layer of overcoat 13 between the texture layer 12 on sidewall and curtain yarn layer 11, this overcoat 13 is by tire lip 30 Extending to B point position near the tire shoulder 41 of tyre surface, the position of B point is higher than tire shoulder 41 end and standoff distance S2 is 4mm～10mm.It is to protect weak part comprehensively that overcoat 13 crosses over whole sidewall 10, Upper end extend to tyre surface 40 compound layer be in order to avoid overcoat 13 due to during load stress concentrate and The problem producing separating delamination with sidewall curtain yarn layer 11.Overcoat 13 thickness H2≤0.6mm, uses height Density intertexture stratum reticulare and the composite of rubber, the material of this intertexture stratum reticulare can be nylon or KEVLAR Fiber, it is also possible to be nylon and KEVLAR fiber mixing intertexture.High density intertexture stratum reticulare can keep tire The pliability of side 10 and lifting cut resistant, anti prick function, its surface has rubber simultaneously, makes tire except interior In liquid-leakage preventing provide guarantor's gas effect outside, increase extra guarantor's gas effect.

To sum up, this utility model tire reaches to exempt from inner tube of a tyre use, on sidewall for conventional rim filling liquid-leakage preventing 10 surface designs are "X" shape latticed texture layer 12 by what camber line intersected, texture layer 12 Height of projection H1≤0.4mm；One layer of overcoat 13 is sticked between texture layer 12 and curtain yarn layer 11, anti- Sheath 13 is the sizing material base portion being extended to tyre surface 40 by tire lip 30, its near tire shoulder 41 end and away from From the position that S2 is 4mm～10mm, its thickness H2≤0.6mm.Overcoat 13 uses high density Intertexture stratum reticulare and the composite of rubber, can keep the pliability on sidewall 10 and promote cut resistant, anti prick function, Increase extra guarantor's gas effect simultaneously.It is equipped with by length inside and outside texture layer 12 and overcoat 13, Guarantee the security performance of this utility model non-inflatable tyre.

The above, only this utility model preferably detailed description of the invention, but protection of the present utility model Scope is not limited thereto, the skill that any those familiar with the art discloses at this utility model In the range of art, the change that can readily occur in or replacement, all should contain protection domain of the present utility model it In.Therefore, protection domain of the present utility model should be as the criterion with scope of the claims.

Claims (7)

1. the bicycle pneumatic tire exempting from the inner tube of a tyre, it is characterised in that: the carcass structure of tire includes tyre surface And be positioned at the sidewall of tyre surface both sides and coordinate the tire lip of wheel rim installation, described sidewall is by the curtain yarn layer after gluing Constituting, the outer surface of described curtain yarn layer is provided with overcoat, and described overcoat extends to the sizing material base of described tyre surface Portion, the outer surface of described overcoat is provided with the texture layer that coverage is narrower than overcoat.

A kind of bicycle pneumatic tire exempting from the inner tube of a tyre the most according to claim 1, it is characterised in that: institute State texture layer specifically by two groups of bending directions are contrary and the camber line being "X" shape that intersects is along tire circumferential direction It is uniformly distributed formation latticed.

A kind of bicycle pneumatic tire exempting from the inner tube of a tyre the most according to claim 2, it is characterised in that: institute State texture layer and extended below the position of end at the tire shoulder of tyre surface by tire lip, and the top of texture layer and tire Distance between shoulder end is 3mm～8mm.

A kind of bicycle pneumatic tire exempting from the inner tube of a tyre the most according to claim 3, it is characterised in that: institute State the height of projection≤0.4mm of texture layer.

A kind of bicycle pneumatic tire exempting from the inner tube of a tyre the most according to claim 4, it is characterised in that: institute The texture cross section stating texture layer is semicircle, triangle or rectangle.

A kind of bicycle pneumatic tire exempting from the inner tube of a tyre the most according to claim 1, it is characterised in that: institute State the position that overcoat is extended to above the tire shoulder end of tyre surface by tire lip, and the top of overcoat and tire shoulder Distance between end is 4mm～10mm.

A kind of bicycle pneumatic tire exempting from the inner tube of a tyre the most according to claim 6, it is characterised in that: institute State the thickness≤0.6mm of overcoat.