CN1370694A

CN1370694A - Elastic prick-preventing ring for inflated tyre

Info

Publication number: CN1370694A
Application number: CN 01103588
Authority: CN
Inventors: 柳长松
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-02-26
Filing date: 2001-02-26
Publication date: 2002-09-25

Abstract

The elastic prick-preventing ring for inflated tyre consists of high strength sheets and buffering connecting plates. Several high-strength sheets are crossed, superposed and combined via buffering connecting plates to constitute flexible and elastic ring and the ring is adhered to the inner side or the cord fabric layer of cover tyre. The flexbiela dn elastic ring can protect tyre from being pricked to ensure safe running of vehicle.

Description

Elastic prick-preventing ring for inflated tyre

The present invention relates to a kind ofly prevent that air-inflation tyre from being pierced through by the ground sticker and the fender guard that leaks gas.

Existing airtyred basic structure is: on the cylindrical of rim for automobile wheel rubbery cover tyre is installed, be shaped on gripping pattern on the tyre surface of cover tire and inner be the cavity of loop-drive formula, be bonded with the multilayer cord in the cover tire tyre sidewall, be placed with rubber inner tube in the cover tire cavity, tire tube valve is installed on the inner tube of a tyre; For inner tube free type tire, then in the closed cavity of cover tire and wheel rim composition, directly charge into air, tire tube valve is installed on the wheel rim and (consults Chinese book " tire use and maintenance ", Lin Ligui, Hu Fuhao compile, Chemical Industry Press, October in 2000 the 1st edition, the 1st page " chapter 1, tyre and rim introduction ").Though above-mentioned air-inflation tyre has from heavy and light, cushions, high performance such as of many uses, but because its rubber and cord (fabrics such as natural fiber, syntheticfibres, glass fibre and steel wire) are all punctured by sticker easily, therefore, under the weight and the impact of travelling of vehicle, they are easy to be pierced through by ground sticker and leak gas, cause the vehicle can not cruising, also caused the destruction and the waste of the inner tube of a tyre simultaneously.

For addressing the above problem; the existing anti-stab leakage gas shiled of a kind of air-inflation tyre device; it is Chinese invention patent (name of patent application " the anti-stab leakage gas shiled of air-inflation tyre circle " the application number 01103274.x that the inventor applies for not long ago; the January 19 calendar year 2001 applying date); its concrete scheme is: use stalloy; high strength sheetings such as nylon are made the circular back up ring that its two ends are the eclipsed form joining seam with integral way; its cross section is that protrude and the center of circle of concave surface sensing annulus around annulus on circular arc and arc top; its surface does not have hole; its convex-concave surface is coated with nonskid coating or is shaped on the convex-concave gripping pattern, and it is placed in the interlayer between the Tire ﹠ Tube or is adhered to the inside of cover tire tyre sidewall.Fashionable from the cover tire thorn when the ground sticker, because its high-intensity barrier effect, sticker can not pierce through tire and leak gas.But; because above-mentioned back up ring is the integral body of a loop-drive formula; therefore its rigidity is had a surplus and elasticity shortcoming (even if using nylon material can not make its basic change); behind the sufficient air of tire; it can make the rigidity especially radially of tire significantly strengthen and elastic buffer weakens; cause the vehicle aggravation of when running at high speed, jolting; be unfavorable for the protection of vehicle parts and driver's comfort; also be unfavorable for slowing down the impulsive force of sticker and reduce the thickness and the weight of back up ring; so; usually it only is applicable to the vehicle of the slow very light in weight of bicycle constant velocity, then and not exclusively is suitable for for most of power actuated vehicles.

The purpose of this invention is to provide a kind of anti-stab leakage gas shiled of air-inflation tyre device with resilient flexible; it merges under the situation that realizes elastic buffer smoothly matching with air-inflation tyre; can effectively stop the ground sticker to pierce through tire and leak gas, reach the purpose that ensures driving and save the inner tube of a tyre.

The objective of the invention is by realizing as lower device: the form by every layer some with the overlapping several layers of mutual dislocation of the imperforate high strength thin plates in some surfaces is spliced into circular loop-drive, the cross section of loop-drive be not more than that 180 ° circular arc and arc top are protruded around loop-drive and concave surface over against the center of circle of loop-drive, convex-concave outside face with loop-drive between the levels of all high strength thin plates all is pasted with buffering connected plate, and above-mentioned loop-drive is by in the cord interlayer of good bond to the intrados of airtyred cover tire cavity or in the cover tire tyre sidewall.

Said apparatus is elastic prick-preventing ring for inflated tyre of the present invention, and it is because spliced structure thereby have certain resilient flexible and the expansion contractility, and therefore can adapt to the distortion of tire well and significantly slow down the sticker impact and reduce its thickness and weight.In the vehicle ' process, when ground and foreign matter pinch shock tire, it can cushion to the wheel center depression together with Tire ﹠ Tube, after ground and foreign matter leave, it can be bullied together to bear down on one to hold in the palm again and reset with Tire ﹠ Tube, when the ground foreign matter is a sticker and fashionable from cover tire thorn, it can stop effectively that sticker makes it to pierce through tire and leaks gas, thereby is issued to the purpose that ensures driving in the situation that realizes elastic buffer smoothly.

Obvious advantage of the present invention is, keep existing air-inflation tyre from heavy and light, cushion, load big, give birth under hot low, as to brake a series of advantageous characteristic such as the reliable prerequisite, can prevent effectively that the ground sticker from piercing through tire and leak gas, and be easy to make, with low cost, be adapted at popularizing on the various vehicles and use.

Fig. 1 is an elastic prick-preventing ring for inflated tyre embodiment scheme drawing of the present invention.

Among Fig. 1, the 1st, the high strength thin plate, every layer some form is spliced into circular loop-drive with the overlapping several layers of mutual dislocation for it, why its every high strength thin plate 1 is all arranged so that the mutual dislocation formula is overlapping in the levels direction, is in order to prevent sticker from entering from its splicing seams loop-drive to be pierced through.The cross section of above-mentioned loop-drive be not more than that the circular arc of semicircle and arc top are protruded around loop-drive and concave surface over against the center of circle of loop-drive, so that loop-drive matches with the intrados of cover tire cavity or the shape of the interior cord interlayer of cover tire tyre sidewall.Convex-concave outside face with loop-drive between the levels of all high strength thin plates 1 all is pasted with buffering connected plate 2, by buffering connected plate 2 all high strength thin plates 1 are connected into a loop-drive integral body, and because the layering buffer action of buffering connected plate 2 also can effectively improve the frictional loss between the integral, flexible of loop-drive, the impulsive force that slows down sticker, the minimizing high strength thin plate 1 and give birth to heat.Above-mentioned loop-drive firmly is adjacent on the intrados that is bonded in the pneumatic tyre cover cavity or by in the cord interlayer of good bond in the pneumatic tyre cover tyre sidewall, make situation such as loop-drive neither can or not be offset because of slip influence that advancing of wheel promotes and performances such as brake yet, torsional deflection and anti-stab effect is gone to pot.The overlapping number of plies of above-mentioned high strength thin plate 1 is 2～50 layers, the purpose of its layering, be in order to utilize multilayer amalgamation very thin thickness and high strength thin plate 1 that have resilient flexible, not only thickness is thicker and the enough anti-intensity that pierces through is arranged to make loop-drive, and its integral body remains elastomeric.On the cross section of above-mentioned loop-drive, the splicing quantity of each floor height intensity thin plate 1 is 1～25 (being 1) shown in the figure, and on the hoop of loop-drive, the splicing quantity of each floor height intensity thin plate 1 is 2～100 (being 16) shown in the figure.For obtaining desirable elasticity and reducing manufacture difficulty, when specific design, otherwise can select more and the splicing negligible amounts on the loop-drive hoop of splicing quantity on the loop-drive cross section or mode make up.Because tire was thrust in the position near sticker common arc top from shoe tread in ground reached, it easily pierces through the position can be greater than 180 ° in the central angle in cover tire cross section, therefore, the central angle in above-mentioned loop-drive cross section also there is no need greater than 180 °, and easily pierce through the position all under the situation of shield what guarantee cover tire, the central angle in loop-drive cross section should be as far as possible little, and promptly the width in loop-drive cross section should be narrow as far as possible, so that the elasticity of loop-drive is better, weight is lighter.The concrete size of above-mentioned loop-drive should according to supporting cover tire specification determine.High strength thin plate 1, can improve superficial hardness and elasticity, surface treatment through cutting, punch forming, heat treatment by the sheetmetal of the imperforate thickness≤1mm in surface makes to increase technology such as adhesive property, also can make surperficial imperforate thin sheet form by other high strength material, its concrete shape and size should be determined according to size and their residing positions on loop-drive of loop-drive, and generally their surface is the cambered surface form, but for a lot of situation of splicing quantity, their surface also can be the form on plane.Buffering connected plate 2 can be made by rubber, also can make by the flexible resin adhesion agent, can also there be the flexible fiber fabric of rubber to make by surface coating, can also there be the flexible fiber fabric of flexible resin adhesion agent to make by surface coating in addition, in a word, require their resilient flexibles and energy strong bond high strength thin plate 1.

The concrete manufacturing and the installation of elastic prick-preventing ring for inflated tyre of the present invention, can take following mode to carry out: the overall dimensions with above-mentioned loop-drive resolves into several loop-drive section sizes along hoop earlier, make several buffering connected plates 2 by loop-drive section size, on the surface of the same race of buffering connected plate 2 promptly all on the convex surface or all on concave surface, stick high strength thin plate 1 and make several individual layer loop-drive sections, again with each individual layer loop-drive section segmentation multilayer be bonded on the intrados of cover tire cavity or around the bandage of cover tire tire base, dislocation type is overlapping mutually in the levels direction should to make high strength thin plate 1 on the individual layer loop-drive section when bonding, and all have buffering connected plate 2 to isolate between every two-layer high strength thin plate 1, at last at the outermost surface subsidy buffering connected plate 2 of not pasting buffering connected plate 2 of loop-drive, but, also need to make rubber tread at last and finish in the outer ring for the situation that is bonded in cover tire tire base.Be further to simplify the general assembly operation, can make number of plies multilayer loop-drive section enough and that subsidized buffering connected plate 2 earlier, at last the overlapping mutually mode of blocking in both sides of the edge of several multilayer loop-drives Duan Yiqi hoop is adhered to cover tire inside and finishes.Point out in passing,, need to make buffering connected plate 2 with living rubber sheet earlier for the situation of making buffering connected plate 2 with rubber, and after all stickup operations are finished after baking technology finish; For the situation of making buffering connected plate 2 with the flexible resin adhesion agent, generally can only take the overlapping mode that is bonded into multilayer loop-drive section of high strength thin plate 1 dislocation to be carried out with the flexible resin adhesion agent.

Claims

1, a kind of elastic prick-preventing ring for inflated tyre, formed by high strength thin plate and buffering connecting strap, it is characterized in that: the form by every layer some with the overlapping several layers of mutual dislocation of the imperforate high strength thin plates in some surfaces [1] is spliced into circular loop-drive, the cross section of loop-drive be central angle be not more than that 180 ° circular arc and arc top are protruded around loop-drive and concave surface over against the center of circle of loop-drive, convex-concave outside face with loop-drive between the levels of all high strength thin plates [1] all is pasted with buffering connected plate [2], and above-mentioned loop-drive firmly is adjacent on the intrados that is bonded in the pneumatic tyre cover cavity.

2, elastic prick-preventing ring for inflated tyre according to claim 1, wherein said high strength thin plate is characterized in that: high strength thin plate [1] specifically is meant the sheetmetal of thickness≤1mm.

3, elastic prick-preventing ring for inflated tyre according to claim 1, wherein said high strength thin plate is characterized in that: the overlapping number of plies of high strength thin plate [1] is the 2-50 layer.

4, elastic prick-preventing ring for inflated tyre according to claim 1, wherein said high strength thin plate is characterized in that: the splicing quantity of each floor height intensity thin plate [1] is the 1-25 sheet on the loop-drive cross section.

5, elastic prick-preventing ring for inflated tyre according to claim 1, wherein said high strength thin plate is characterized in that: the splicing quantity of each floor height intensity thin plate [1] is the 2-100 sheet on the loop-drive hoop.

6, elastic prick-preventing ring for inflated tyre according to claim 1, wherein said buffering connected plate is characterized in that: buffering connected plate [2] is made by rubber.

7, elastic prick-preventing ring for inflated tyre according to claim 1, wherein said buffering connected plate is characterized in that: buffering connected plate [2] is made by the flexible resin adhesion agent.

8, according to the elastic prick-preventing ring for inflated tyre of claim 1, wherein said buffering connected plate is characterized in that: buffering connected plate [2] has the flexible fiber fabric of rubber to make by surface coating.

9, according to the elastic prick-preventing ring for inflated tyre of claim 1, wherein said buffering connected plate is characterized in that: buffering connected plate [2] has the flexible fiber fabric of flexible resin adhesion agent to make by surface coating.

10, according to the elastic prick-preventing ring for inflated tyre of claim 1, wherein said loop-drive is characterized in that: loop-drive is by in the cord interlayer of good bond in the pneumatic tyre cover tyre sidewall.