CN101934686A - Novel tire - Google Patents
Novel tire Download PDFInfo
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- CN101934686A CN101934686A CN2009101020567A CN200910102056A CN101934686A CN 101934686 A CN101934686 A CN 101934686A CN 2009101020567 A CN2009101020567 A CN 2009101020567A CN 200910102056 A CN200910102056 A CN 200910102056A CN 101934686 A CN101934686 A CN 101934686A
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- bracing ply
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Abstract
The invention relates to a novel automobile tire. The novel automobile tire consists of a main cord layer, a belt layer and a tire tread, wherein the main cord layer bends inwards to form an inner tube cavity; the edges on the two sides of the inner tube cavity are turned to wrap a steel ring therein; the tire is characterized in that the cord of the belt layer is made of artificial fibers, namely the cord is formed by spirally winding one or more fibers in the circumferential direction of the tire forming an angle of 0 to 1 degree with the fibers; one or more the belt layers are arranged; a transition layer 1 is arranged between the belt layer and the main cord layer; and when a plurality of belt layers are arranged, a transition layer 2 is arranged between every two of the belt layers. The novel tire has the advantages of greatly reducing the weight of the tire and greatly reducing the cost, along with more stable structure.
Description
Technical field
The present invention relates to a kind of tire of the vehicle, especially relate to a kind of new automobile tire.
Background technology
Time is long though traditional diagonal tyre is continued to use, and range of use is wide, the existing certain basis of production technology, since reasonable inadequately on its structure, development influenced, progressively replaced by radial-ply tyre.The keystone configuration characteristics of radial-ply tyre have following some:
1. body cord is the meridian direction arrangement by a tyre bead to another tyre bead.The common diagonal tyre of stress amplitude ratio that inner pressure of tire produces body cord few half, and all cords fabric thread are according to being arranged by force direction, every cord is fully stressed;
2. radial tire undertread is main stressed member, bears the 60-75% of the total expansion force of inner pressure of tire;
3. because the body cord meridian is arranged, can bring into play the cord strength effect to greatest extent, but the carcass sidepiece lacks softness because of the number of plies and rigidity is not enough, the normal direction distortion increases 25-30% than diagonal tyre, and position, sidewall song looks for distortion big, easy stabbing wearing.
According to the characteristics of above-mentioned radial-ply tyre, bracing ply is the topmost part of the force of radial-ply tyre, and it is determining the distortion of carcass to a great extent.Directly have influence on the rigidity of tyre surface, so it is to the resistance to abrasion of tire, riding stability, traveling comfort etc. has material impact.
Theoretically, belt cord angle (with the angle of tire equator) is more little, and good more to the banding effect of carcass, the rigidity of tyre surface is strong more.But because in the existing production technology, cord angle is too small, not only make technological operations such as the severing of bracing ply and joint complicated, and unfavorable to the tire in-use performance, be easy to generate the danger of bracing ply delamination.So existing belt cord is generally the 15-20 degree.But the rigidity of this meridian line tyre still has been subjected to very big restriction, and general bracing ply will adopt the structure than multilayer to remedy defective on its rigidity.This has just increased cost, makes it to be subjected to very big restriction at lilliput car aspect the use of radial-ply tyre.
In order to reduce the distortion of bracing ply limit portion, improve the tire shoulder rigidity of radial-ply tyre, reduce distortion and give birth to heat, the protection bracing ply is avoided the fatigue damage that the ess-strain effect produces.Guarantee when running at high speed, to have stable size, improve tyre surface stability, reduce irregular wear, Italy Pirelli company has designed a kind of radial-ply tyre of zero degree belt structure, and it is provided with at two shoulders of bracing ply and two-layerly twines the annular reinforcing bundle bar that two circles form along circumferential array is overlapping.It is compared with ordinary construction bracing ply radial-ply tyre has reduction rolling resistance, fuel saving; Low-heat-generation falls, tyres durable safety; Tyre surface is stable; Improve the advantages such as lateral rigidity of tire.But this design improves the complexity of technology, be with cost rise to cost more greatly, and the rigidity in the centre of bracing ply does not effectively improve.On this basis, the patent No. is that 200510095144.0 patent of invention discloses a kind of tyre with four layered steel belt, it is characterized in that: from the air-retaining liner of tire to being followed successively by steel wire carcass, four layers of steel wire bracing ply, transition rubber layer tyre surface.Wherein the ground floor in four layers of steel wire bracing ply carries out the transition to the cambic horizon of the low-angle bracing ply of circumferential array for the body cord angle that meridian direction is arranged; Second, third is the working lining that meets with stresses, plays the outside expansion of constraint carcass; The 4th layer is protective cover, is made up of high elongation cord.This tire still exists problems such as complex process, cost height, weight be big.
Summary of the invention
The present invention mainly is that solution existing in prior technology bracing ply is not enough to the banding effect of carcass, complex process, and weight is big, cost high-technology problem, and the novel tire that a kind of technology is simple, in light weight, cost is low is provided.
Above-mentioned technical matters of the present invention is mainly solved by following technical proposals: a kind of novel tire, comprise the main body carcass plies, bracing ply and tyre surface constitute, the main body carcass plies curves inwardly and forms an inner tube of a tyre chamber, its both sides of the edge upset with the steel ring parcel wherein, it is characterized in that described belt cord is a regenerated fiber, it is by having one or some to form circumferentially to be 0-1 degree angular direction coiled coil with tire, bracing ply has one deck or several layers, be provided with cambic horizon one between bracing ply and the main body carcass plies, when bracing ply is several layers, be provided with cambic horizon two between the two-layer bracing ply.This low-angle belt cord has improved its banding effect to carcass greatly, to such an extent as in the lilliput car tire, the cambic horizon of bracing ply can omit.No matter it is in sulfuration process, and still in long-term use, its telescopic variation will be very little, delamination can not occur.And cord adopts the form of coiled coil, significantly reduced the cord head of severing operation and free state, makes technology simpler, longer service life.Cambic horizon can guarantee better that carcass has good bonding strength, makes its more difficult delamination that occurs.Adopt the multilayer bracing ply can improve intensity, but, need between bracing ply, be provided with cambic horizon in order to guarantee bonding between the bracing ply.
As preferably, the circumferential angle of described main body plies cords and tire is the low-angle of 8-15 degree.The angle that its main body plies cords of traditional radial-ply tyre adopts and the tyre crown line of centers is circumferential is bordering on the wide-angles of 90 degree; the cord of this angle is to the stressed protection of the warp-wise that relates to tire hardly, and therefore the arrangement of this cord makes that the probability of carcass broadwise fracture is bigger.And main body plies cords of this programme and the angle between the tire warp direction are the low-angle of 8-15 degree, have improved its warp-wise stress-bearing capability greatly in stressed taking into account the carcass broadwise.
As preferably, described cambic horizon two has the individual layer cord, and the circumferential angle of it and tire is the 50-65 degree.This cambic horizon plays buffer action simultaneously, and the intersecting angle of this cord is taken into account the effect of warp-wise and broadwise power simultaneously, has strengthened the stress-bearing capability of tire.
As preferably, cambic horizon one is no cord cambic horizon, and no cord cambic horizon is made of extraordinary sizing material.In the belt structure of bilayer or multilayer, its structural strength is higher, adopts no cord cambic horizon to be enough to satisfy the needs of intensity on the one hand, also makes convenient for productionly on the other hand, and cost is lower.
As preferably, described cambic horizon one has the even level cord, and this cord and tire circumferentially are cord-thread direction between the 50-65 degree angle adjacent layer about tire equator line symmetry.This cambic horizon plays buffer action simultaneously, and the intersecting angle of this cord is taken into account the effect of warp-wise and broadwise power simultaneously, has strengthened the stress-bearing capability of tire.Simultaneously, it can guarantee better that as cambic horizon carcass has good bonding strength, makes its more difficult delamination that occurs.
As preferably, the outside of described bracing ply is provided with cushion layer, and cambic horizon one has the individual layer cord, and cushion layer and cambic horizon one circumferentially are the 50-65 degree with tire respectively, and cord-thread direction is about tire equator line symmetry.Cushion layer has buffer action to bracing ply.The method to set up of this cord can be so that carcass be stressed evenly.
As preferably, described main body carcass plies is artificial fibercord layer.Because the assurance of the bracing ply of low-angle (near zero degree) is arranged, the main body carcass plies can be adopted the regenerated fiber carcass plies, reached cost-cutting, reduce the effect of weight.
As preferably, described belt cord material is an aromatic poly amide, and it comprises following a kind of or some kinds:
The poly terephthalic acid p-phenylenediamine (PPD), it comprises Kevlar, Twaron, Heracron, Terlon and Tervar; The copolymer of poly terephthalic acid p-phenylenediamine (PPD), it comprises Technora, SVM, Armos and Rusar; Poly(p-benzamide); The copolymer of poly(p-benzamide); The copolymer of polysulfonamides, polysulfonamides and their compound.Above-mentioned material can be got a kind of or some kinds of fibers of forming wherein, the fiber that also can use some kinds of above-mentioned homogenous materials to constitute, but to guarantee that its mechanical property is close.
As preferably, the molecular formula of described aromatic poly amide comprises following several:
The beneficial effect that brings of the present invention is that it is not enough to the banding effect of carcass to solve the existing in prior technology bracing ply, complex process, weight is big, the high problem of cost, realized reducing significantly of tire weight, cost reduces greatly, and the more stable remarkable result of structure.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present invention;
Accompanying drawing 2 is a kind of structural representations of embodiments of the invention 2;
Accompanying drawing 3 is a kind of structural representations of embodiments of the invention 3.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment 1:
Accompanying drawing 1 is a kind of structural representation of the present invention, and the present invention is a kind of novel tire, and it is made of main body carcass plies 1, bracing ply 2, cambic horizon and bead coil 5.Belt cord is a regenerated fiber, and the main body carcass plies is artificial fibercord layer, and the main body carcass plies curves inwardly and forms inner tube of a tyre chamber, and turns up with the bead coil parcel wherein at its edge.The circumferential angle of main body plies cords and tyre crown line of centers is the low-angle of 8-15 degree.It has the even level cord, and the cord angle between correspondence is two-layer is about tyre crown line of centers symmetry.The cord of main body carcass plies is a regenerated fiber.The outer ring surface of main body carcass plies is provided with bracing ply between two shoulders of carcass, belt cord has the 2-3 bar to be 0.0015 degree angular direction coiled coil with the tire equator line, and belt cord adopts aromatic poly amide, and it includes but not limited to following a kind of or some kinds:
The poly terephthalic acid p-phenylenediamine (PPD), it comprises Kevlar, Twaron, Heracron, Terlon and Tervar; The copolymer of poly terephthalic acid p-phenylenediamine (PPD), it comprises Technora, SVM, Armos and Rusar; Poly(p-benzamide); The copolymer of poly(p-benzamide); The copolymer of polysulfonamides, polysulfonamides and their compound.Above-mentioned material can be got a kind of or some kinds of fibers of forming wherein, the fiber that also can use some kinds of above-mentioned homogenous materials to constitute, but to guarantee that its mechanical property is close.
The molecular formula of aromatic poly amide comprises following several:
Be provided with transition between bracing ply and the main body carcass plies and dash layer 1, cambic horizon one is provided with two-layer cord about tyre crown line of centers symmetry, and two-layer cord circumferentially is 57 degree angles with carcass respectively.Cambic horizon one adopts the regenerated fiber cord.
This low-angle bracing ply has strengthened its banding effect to carcass, reduced the length that in the use of the sulfuration of carcass, tyre surface and tire, is elongated of cord, reduced the possibility of coming unstuck of it and main body carcass plies, therefore this rotating radial is in use more stable.Just because of the reinforcement of this banding effect of bracing ply, so the main body carcass plies here can the less nylon cord of working strength, make when it has cost to descend, also obtain the beneficial effect that weight descends.The effect of cushion layer is that extraneous bracing ply is directly impacted is eased, and has also born certain and pulling force warp-wise simultaneously.And the angle of main body plies cords of this programme and tyre crown line of centers is the low-angle of 8-15 degree, has improved its broadwise stress-bearing capability greatly in stressed taking into account the carcass warp-wise.Because cambic horizon is located between main body carcass plies and the bracing ply, so he also plays buffer action simultaneously, can guarantee better that carcass has good bonding strength, makes its more difficult delamination that occurs.
Yet regenerated fiber involved in the present invention not only is confined to aramid fiber, also can be polyamide fibre, polyester, glass fibre.
Embodiment 2:
Accompanying drawing 2 is a kind of structural representations of embodiment 2.Under the structural condition of embodiment 1, described bracing ply adopts double-decker, can improve the intensity of carcass, is provided with cambic horizon 24 between the bracing ply, and cambic horizon two has the individual layer cord, and the circumferential angle of it and tire is the 50-65 degree.The outside of bracing ply is provided with cushion layer 6, and cambic horizon one has the individual layer cord, and cushion layer and cambic horizon one circumferentially are the 50-65 degree with tire respectively, and cord-thread direction is about tire equator line symmetry.
This cambic horizon plays buffer action simultaneously, and the intersecting angle of this cord is taken into account the effect of warp-wise and broadwise power simultaneously, has strengthened the stress-bearing capability of tire.Cushion layer has buffer action to bracing ply.The method to set up of this cord can be so that carcass be stressed evenly.
Embodiment 3:
Accompanying drawing 3 is a kind of structure intentions of embodiment 3.Under the structural condition of embodiment 2, cambic horizon 1 is no cord cambic horizon, and no cord cambic horizon is made of extraordinary sizing material.In the belt structure of bilayer or multilayer, its structural strength is higher, adopts no cord bracing ply to be enough to satisfy the needs of intensity on the one hand, also makes convenient for productionly on the other hand, and cost is lower.
Claims (10)
1. novel tire, comprise that main body carcass plies, bracing ply and tyre surface constitute, main body carcass plies (1) curves inwardly and forms an inner tube of a tyre chamber, its both sides of the edge upset with steel ring (5) parcel wherein, it is characterized in that described bracing ply (2) cord is a regenerated fiber, it is by having one or some to form circumferentially to be 0-1 degree angular direction coiled coil with tire, bracing ply has one deck or several layers, be provided with cambic horizon one (3) between bracing ply and the main body carcass plies, when bracing ply is several layers, be provided with cambic horizon two (4) between the two-layer bracing ply.
2. a kind of novel tire according to claim 1 is characterized in that the circumferential angle of described main body plies cords and tire is the low-angle of 8-15 degree.
3. a kind of novel tire according to claim 1 is characterized in that described cambic horizon two has the individual layer cord, and the circumferential angle of it and tire is the 50-65 degree.
4. a kind of novel tire according to claim 1 is characterized in that described cambic horizon one is no cord cambic horizon (5), and no cord cambic horizon is made of extraordinary sizing material.
5. according to claim 1 or 2 or 3 or 4 described a kind of novel tires, it is characterized in that described cambic horizon one has the even level cord, this cord and tire circumferentially are cord-thread direction between the 50-65 degree angle adjacent layer about tire equator line symmetry.
6. according to claim 1 or 2 or 3 or 4 described a kind of novel tires, the outside that it is characterized in that described bracing ply is provided with cushion layer (6), cambic horizon one has the individual layer cord, and cushion layer and cambic horizon one circumferentially are the 50-65 degree with tire respectively, and cord-thread direction is about tire equator line symmetry.
7. according to claim 1 or 2 or 3 or 4 described a kind of novel tires, it is characterized in that described main body carcass plies is artificial fibercord layer.
8. a kind of novel tire according to claim 5 is characterized in that described main body carcass plies is artificial fibercord layer.
9. according to claim 1 or 2 or 3 or 4 described a kind of novel tires, it is characterized in that described belt cord material is an aromatic poly amide, it comprises following a kind of or some kinds:
The poly terephthalic acid p-phenylenediamine (PPD), it comprises Kevlar, Twaron, Heracron, Terlon and Tervar; The copolymer of poly terephthalic acid p-phenylenediamine (PPD), it comprises Technora, SVM, Armos and Rusar; Poly(p-benzamide); The copolymer of poly(p-benzamide); The copolymer of polysulfonamides, polysulfonamides and their compound.
10. a kind of novel tire according to claim 9 is characterized in that the molecular formula of described aromatic poly amide comprises following several:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101020567A CN101934686A (en) | 2009-08-25 | 2009-08-25 | Novel tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101020567A CN101934686A (en) | 2009-08-25 | 2009-08-25 | Novel tire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101934686A true CN101934686A (en) | 2011-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101020567A Pending CN101934686A (en) | 2009-08-25 | 2009-08-25 | Novel tire |
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| Country | Link |
|---|---|
| CN (1) | CN101934686A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106891675A (en) * | 2017-04-07 | 2017-06-27 | 黄丽 | A kind of full zero degree tire with steel belt |
| CN109760475A (en) * | 2017-11-09 | 2019-05-17 | 东洋橡胶工业株式会社 | Pneumatic tire |
-
2009
- 2009-08-25 CN CN2009101020567A patent/CN101934686A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106891675A (en) * | 2017-04-07 | 2017-06-27 | 黄丽 | A kind of full zero degree tire with steel belt |
| CN109760475A (en) * | 2017-11-09 | 2019-05-17 | 东洋橡胶工业株式会社 | Pneumatic tire |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110105 |