CN203511184U

CN203511184U - Tire bead structure

Info

Publication number: CN203511184U
Application number: CN201320521945.9U
Authority: CN
Inventors: 陆炯; 杨其振; 杨海军
Original assignee: Jiangsu General Science Technology Co Ltd
Current assignee: Jiangsu General Science Technology Co Ltd
Priority date: 2013-08-23
Filing date: 2013-08-23
Publication date: 2014-04-02
Anticipated expiration: 2023-08-23

Abstract

The utility model relates to a tire, and particularly relates to a tire bead structure. An airtight layer, a transition layer, a wire seam allowance layer and a tire body layer are sequentially arranged from inside to outside, wherein the wire seam allowance layer comprises a zero-angle wire seam allowance layer; a steel wire cord is arranged inside the zero-angle wire seam allowance layer; a coating is arranged between two adjacent steel wires in the steel wire cord; each steel wire in the steel wire cord forms a complete circle; any two circles are parallel to each other. The tire bead structure has higher strength, so that the tire bead part is small in deformation, and the problem of the tire bead is better prevented.

Description

Tire bead structure

Technical field

The utility model relates to a kind of tire, specifically a kind of tire bead structure.

Background technology

Present vehicle is being undertaken many missions, the normal mark of some vehicle carries, not high to tire load bearing requirements, also have some vehicles to require to be applicable to travelling (to comprise the non-road surface of mating formation) on all kinds of different road surfaces, to load-carrying properties, require high, so the tyre bead portion of this class vehicle must be enough strong, in order to support higher carrying.Tyre bead: refer to that tire is arranged on the part contacting with wheel rim on wheel rim.This part is one of tire moderate finite deformation point, for requiring the outstanding vehicle of load-carrying capacity, increase tyre bead intensity essential, and reinforced bead intensity can be undertaken by two aspects: the one, purchase high-intensity steel wire cord tire line, shortcoming is somewhat expensive, at present tyre industry, compete more and more fierce in the situation that, virtually increased the cost of tire enterprise; The 2nd, adopt suitable steel wire heel fabric, this method is simple, when not increasing enterprise cost, can well guarantee the intensity of tyre bead portion.

Steel wire infantees in each tire enterprise is generally to adopt the calendering of steel wire strand cord to make at present, then on low-angle cutting machine, is cut into an angle between 20～40, is finally fitted in tire bead relevant position.Such structure is owing to there being angle to exist, and banding coefficient reduces, so running into the large deformation that can not well suppress tyre bead portion under severe service condition, causes such as quick-fried some problems such as grade in rim of the mouth.

Summary of the invention

The utility model, for the problems referred to above, provides a kind of tire bead structure, adopts this bead structure can make tire bead position obtain better stirrup effect, has higher intensity, makes the distortion of tire bead position little, better prevents the generation of tyre bead problem.

According to the technical solution of the utility model: a kind of tire bead structure, it has air-retaining liner, cambic horizon, steel wire rim of the mouth layer, body piles from inside to outside successively, it is characterized in that: described steel wire rim of the mouth layer comprises zero degree steel wire rim of the mouth layer, layer inside, zero degree steel wire rim of the mouth is provided with steel cord, in steel cord, between adjacent two steel wires, be provided with and cover glue, in described steel cord, every steel wire all forms complete circle, and is parallel to each other between any two circles.

As further improvement of the utility model, described steel wire rim of the mouth layer also comprises low-angle steel wire rim of the mouth layer, and low-angle steel wire rim of the mouth laminating closes and is arranged between body piles and zero degree steel wire rim of the mouth layer, and the some layers of bead coil that low-angle steel wire rim of the mouth layer includes are in the overlapping laying of angle.

Technique effect of the present utility model is: the utility model is simple and reasonable for structure, and reinforced bead preferably adopts the tire of the utility model bead structure, and its load-carrying capacity and tyre bead intensity are outstanding, effectively prevents the problems such as rim of the mouth implosion, rim of the mouth be quick-fried; First scheme of the present utility model, has reduced the use amount of steel wire parts, and under the condition of similar performance, zero degree steel wire rim of the mouth width greatly reduces than low-angle steel wire rim of the mouth, cost-saving, cover tire weight saving; The utility model is easy to realize, and without changing existing frock, just can produce.

Accompanying drawing explanation

Fig. 1 is the first embodiment structural representation of the present utility model.

Fig. 2 is the second embodiment structural representation of the present utility model.

Fig. 3 is the schematic cross-section of zero degree steel wire rim of the mouth layer.

Fig. 4 is the structural representation of zero degree steel wire rim of the mouth layer.

The specific embodiment

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is further described.

In Fig. 1 ~ 4, comprise body piles 1, steel wire rim of the mouth layer 2, low-angle steel wire rim of the mouth layer 21, zero degree steel wire rim of the mouth layer 22, steel cord 221, cover glue 222, cambic horizon 3, air-retaining liner 4 etc.

As shown in Figure 1, the utility model is a kind of tire bead structure, it has air-retaining liner 4, cambic horizon 3, steel wire rim of the mouth layer 2, body piles 1 from inside to outside successively, described steel wire rim of the mouth layer 3 comprises zero degree steel wire rim of the mouth layer 22, layer 22 inside, zero degree steel wire rim of the mouth are provided with steel cord 221, in steel cord 221, between adjacent two steel wires, be provided with and cover glue 222, in described steel cord 221, every steel wire all forms complete circle, and is parallel to each other between any two circles.Said structure content is the first embodiment of the present utility model.

Fig. 2 shows the second embodiment of the present utility model, only be with the difference of the first embodiment, described steel wire rim of the mouth layer 3 also comprises low-angle steel wire rim of the mouth layer 21, and layer 21 laminating in low-angle steel wire rim of the mouth are arranged between body piles 1 and zero degree steel wire rim of the mouth layer 22, and the some layers of bead coil that low-angle steel wire rim of the mouth layer 21 includes are in the overlapping laying of angle.

Fig. 3, Fig. 4 are the structural representation of zero degree steel wire rim of the mouth layer 22, and the zero degree steel wire rim of the mouth layer 22 in the utility model adopts steel wire strand cord 221 to make coated with high strength sizing material; During fabrication, first zero degree steel wire rim of the mouth layer 22 is carried out the calendering process of corresponding required width, then normally batch.

The utility model is through the indoor lathe experiment of tire and outdoor road examination, determine and adopt the tire of this structure to there is good load-carrying capacity, even also can extend well the service life of tire in the situation that of overload, prevent the generation of all kinds of rims of the mouth problem, the utility model manufacture is simple, be easy to realize, be applicable to all full-steel radial ply heavy type tires.

Claims

1. a tire bead structure, it has air-retaining liner (4), cambic horizon (3), steel wire rim of the mouth layer (3), body piles (1) from inside to outside successively, it is characterized in that: described steel wire rim of the mouth layer (3) comprises zero degree steel wire rim of the mouth layer (22), zero degree steel wire rim of the mouth layer (22) inside is provided with steel cord (221), in steel cord (221), between adjacent two steel wires, be provided with and cover glue (222), in described steel cord (221), every steel wire all forms complete circle, and is parallel to each other between any two circles.

2. according to tire bead structure claimed in claim 1, it is characterized in that: described steel wire rim of the mouth layer (3) also comprises low-angle steel wire rim of the mouth layer (21), and low-angle steel wire rim of the mouth layer (21) laminating is arranged between body piles (1) and zero degree steel wire rim of the mouth layer (22), and the some layers of bead coil that low-angle steel wire rim of the mouth layer (21) includes are in the overlapping laying of angle.