CN2332593Y

CN2332593Y - Improved structure of anti-pricking tyre

Info

Publication number: CN2332593Y
Application number: CN 97231419
Authority: CN
Inventors: 余叔翰
Original assignee: CHANGLIN INDUSTRIAL Co Ltd
Current assignee: CHANGLIN INDUSTRIAL Co Ltd
Priority date: 1997-12-19
Filing date: 1997-12-19
Publication date: 1999-08-11
Anticipated expiration: 2007-12-19

Abstract

The utility model relates to an improved structure of an anti-pricking tyre, which is mainly composed of an outer tyre layer structure, a curtain yarn layer structure positioned at the inner side of the outer tyre layer and an anti-pricking layer which laid at the inner side of the curtain yarn layer. The utility model is characterized in that the curtain yarn layer structure is matched and contacted with the upper side of the anti-pricking layers in a press mode. Therefore, the anti-pricking layer can be pressed and positioned by the curtain yarn layer, the soft anti-pricking layer does not form a viscous body which is in a glue melting state caused by high temperature to follow the rotation of wheels to concentrate at a tyre center. In addition, the hard anti-pricking layer can also be supported and reinforced by the curtain yarn layer to avoid generating cracking phenomenon. Further, when the outer layer of a tyre is pierced by a sharp thing, the air in the tyre can not leak out.

Description

The puncture-proof tyre structure-improved

The utility model relates to a kind of tire, particularly a kind of structure-improved tire with anti-stab function.

Interior plies structure by general traditional puncture-proof tyre, please refer to Fig. 1, shown in Figure 2, roughly can advise and receive firmly and softer two kinds of anti-stab tire patching materials, wherein Fig. 1 is a kind of plane cut-away view of hard puncture-proof tyre 5, mainly to be that plies is inboard sticking outside establish one that be made up of rubber and foaming agent and behind the high-temperature pressurizing foaming and molding for it, fits tightly rubber pange layer 52 structure on outer plies 51 inwalls with curtain yarn layer 53; When this kind tire construction penetrates inner layer of tire in the sticker thorn, cool down at once though tire is unlikely, the air in the tire is after a period of time, still can run off gradually, and because of the rubber pange layer belongs to hard material, when antipricking layer hardens under high temperature operation, after being subjected to the gravity extruding again, also be easy to generate crack performance.

Refer again to shown in Figure 2ly, be a kind of plane cut-away view of soft stab-resistant tire 6, mainly to be that plies 61 is inboard outside stickingly establish a sol layer 62 structures for it, and this sol layer 62 can form the thickness body that a kind of glue melts state under high-temperature condition; When tire running, because of twirl, temperature build-up in the tire, make the sticking sol layer 62 of being located at inner layer of tire convert the thickness body that a kind of glue melts shape to by solid because of high temperature, this thickness body can't be fixed in around the internal layer surface because of the rotation of tire, make script be positioned at inner layer of tire sol layer 62 all around and concentrate on tire central authorities because of flowing, when causing tire two sides pierced through by sticker, the air in the tire can slowly run off; And, after the long-term use, easily cause whole internal layer intolerably dirty everywhere because of sol layer 62 flows; Moreover, can deliquescing and adhere on the mould because of sol layer high temperature, it can't be finished in the patternmaking process of High Temperature High Pressure in a demoulding, and must cause manufacturing process numerous and diverse through several demoulding program.

The shortcoming of supervising in above-mentioned is arranged, cause the drawback in present all uses, the inventor is devoted to research and development energetically, and in line with the spirit of working with perseverance, makes sample and constantly improve, and under long-time effort, finishes the utility model eventually.

Main purpose of the present utility model provides a kind of puncture-proof tyre structure-improved that the soft stab-resistant layer can be compressed the location, by compress a curtain yarn layer structure on the tyre lunge-proof layer; Whereby, the soft stab-resistant layer that is soft state can be by means of the location that compresses of curtain yarn layer, and can be when not being glue and melting state because of overheated, eccentricity displacement with tyre rotation makes the unlikely rotation with wheel of soft stab-resistant layer concentrate on the tire center, so as to the soft stab-resistant layer is compressed the location, nausea can't be flowed out, avoid vehicle to lose center of gravity because of gas outflow in the tire, and about skew so that the mis-adventure that slips take place, so as to safeguarding the safety of driving.

Another purpose of the present utility model provides a kind of puncture-proof tyre structure-improved that makes the hard antipricking layer not chap, and compresses a curtain yarn layer structure by tire on antipricking layer; Make the hard antipricking layer that is the hard state, also can avoid antipricking layer under high temperature operation, to harden,, and cause the hard antipricking layer to produce the phenomenon of be full of cracks because of pressurized is overweight by the support reinforcement of curtain yarn layer.

A purpose more of the present utility model provides the simple puncture-proof tyre structure-improved of a kind of demoulding program, on antipricking layer, compress a curtain yarn layer structure by tire, make mould under the knockout course of High Temperature High Pressure, the soft stab-resistant layer that is the peptization state can not adhere on the mould, and can a demoulding finish, make demoulding program simple.

For achieving the above object, the utility model provides a kind of puncture-proof tyre structure-improved, it mainly is made up of outer plies structure, the curtain yarn layer structure that is positioned at outer plies inboard, the antipricking layer structure that is layed in the curtain yarn layer inboard, it is characterized in that: cooperate to compress a curtain yarn layer structure above this antipricking layer.

The advantage of the utility model roughly can be summarized as follows:

1. the soft stab-resistant layer is compressed the location:

On antipricking layer 13, compress a curtain yarn layer structure by tire, make the soft stab-resistant layer that is soft state compress the location by curtain yarn layer 14, and can be when not being glue and melting state because of overheated, eccentricity displacement with tyre rotation, make that the soft stab-resistant layer is unlikely to concentrate on the tire center with wheel, and then reach a kind of when tire layer is pierced through by sticker, gas in the tire can't flow out, avoid vehicle to lose center of gravity because of gas outflow in the tire, and about skew so that the mis-adventure that slips take place to guarantee the safety of driving.

2. the hard antipricking layer does not chap:

On antipricking layer 13, compress a curtain yarn layer 14 structures by tire; Make the hard antipricking layer that is the hard state, support reinforcement that also can be by curtain yarn layer 14, avoid antipricking layer under high temperature operation, harden and pressurized overweight, and cause hard antipricking layer generation crack performance, to reach anti-stab effect.

3. manufacturing course is simple:

Compress a curtain yarn layer 14 structures by tire on antipricking layer 13, make mould under the manufacturing process of High Temperature High Pressure, the soft stab-resistant layer that is the peptization state can not adhere on the mould, and can a demoulding finish, and makes manufacturing course simple.

For further understanding structure of the present utility model, feature, effect and practical purpose thereof, now be described in further detail in conjunction with graphic:

Fig. 1 is the section plan of traditional hard puncture-proof tyre.

Fig. 2 is the section plan of traditional soft puncture-proof tyre.

Fig. 3 is the section plan of the utility model tire.

Fig. 4 is the enforcement illustration of the utility model rupture of tire.

Please refer to Fig. 3, shown in Figure 4, can know and understand architectural feature of the present utility model, the utility model mainly is by outer plies 11 structures; Be positioned at curtain yarn layer 12 structures of outer plies 11 inboards; Antipricking layer 13 structures that are layed in curtain yarn layer 12 inboards are formed; The utility model is characterised in that, cooperates to compress a curtain yarn layer 14 structures above this antipricking layer 13; Wherein:

These antipricking layer 13 structures are broadly divided into hard and soft two kinds of anti-stab tire patching materials, wherein:

This soft stab-resistant layer is the colloid for a kind of mixing nature resin, and this soft stab-resistant layer is after vehicle ', and because of the tire high speed rotating causes under the high-temperature condition, the soft stab-resistant layer promptly forms the thickness body that a kind of glue melts state.

This hard antipricking layer is to form by rubber and foaming agent, and behind the high-temperature pressurizing foaming and molding, fits tightly rubber pange layer structure on outer plies 11 inwalls with curtain yarn layer 12.

These curtain yarn layer 14 structures are to cooperate to be laid on antipricking layer 13 tops, and it is mainly by the curtain yarn 141 of metallic, and just the rubber 142 of curtain yarn 141 whole coverings can be formed.

Just be layed in antipricking layer 13 tops by curtain yarn layer 14, antipricking layer 13 can be compressed fixingly, the hard antipricking layer is not chapped, and the soft stab-resistant layer can not flow along with the eccentricity of wheel.

When vehicle ', because of the soft stab-resistant layer causes under the high-temperature condition in the tire high speed rotating, can form the thickness body that a kind of glue melts state, can compress the location this moment by curtain yarn layer 14, makes that the soft stab-resistant layer is unlikely to concentrate on the tire center with wheel; In addition, this hard antipricking layer, also can support reinforcement by curtain yarn layer 14, avoid antipricking layer under high temperature operation because of sclerosis, and pressurized is overweight, and cause the hard antipricking layer to produce the phenomenon of be full of cracks, and then reach a kind ofly when layer outside the tire when pierced through by sticker, the gas in the tire can't flow out, and avoids vehicle to lose center of gravity because of gas outflow in the tire, and about skew so that the mis-adventure that slips take place, to safeguard traffic safety.

In sum, the utility model puncture-proof tyre structure-improved compresses a curtain yarn layer structure by cooperating above antipricking layer; Make the soft stab-resistant layer can be, make that the soft stab-resistant layer is unlikely to concentrate on the tire center with wheel by the location that compresses of curtain yarn layer; In addition, this hard antipricking layer also can support reinforcement by curtain yarn layer, avoid antipricking layer under high temperature operation, to harden, and cause the hard antipricking layer to produce the phenomenon of be full of cracks because of pressurized is overweight, and then when reaching a kind of skin when tire and pierced through by sticker, gas can't flow out in the tire, avoid vehicle to lose center of gravity because of gas outflow in the tire, and about skew so that the mis-adventure that slips take place, so as to safeguarding traffic safety, for present tire, real is a kind of optimal structure-improved.

Claims

1. puncture-proof tyre structure-improved, it mainly is made up of outer plies structure, the curtain yarn layer structure that is positioned at outer plies inboard, the antipricking layer structure that is layed in the curtain yarn layer inboard, it is characterized in that: cooperate to compress a curtain yarn layer structure above this antipricking layer.

2. puncture-proof tyre structure-improved as claimed in claim 1, it is characterized in that, said curtain yarn layer (14) is laid on antipricking layer (13) top, the curtain yarn (141) that it mainly is made of metal the and just rubber (142) of the whole covering of curtain yarn (141) can being formed.