CN217073939U - Novel support is glued and run-flat tire - Google Patents

Abstract

The utility model discloses a novel support glued structure and run-flat tire belongs to the run-flat tire field. The support glue is arranged between the lining layer and the triangular glue, and the thickness of the thickest point of the support glue is 5-10 mm; the upper end point is positioned below the belt ply, the support rubber is overlapped with the belt ply, L2 is more than or equal to 12mm and less than or equal to 20mm, and L2-L1 is more than or equal to 8 mm; the vertical distance between the lower end point of the support glue and the plane of the steel wire ring is L3, and L3 is more than or equal to 5mm and less than or equal to 10 mm; two layers of fiber cord fabrics are arranged in the supporting glue, the cord directions of the two layers of fiber cord fabrics are arranged in a crossed mode, and the angle is 40-50 degrees; the upper end point of the fiber cord fabric is located at the position of 30-45mm of the lower part of the upper end point of the support glue, and the lower end point is located at the position of 10-20mm of the upper part of the lower end point of the support glue. The utility model discloses a support glued structure and run-flat tire, thickness is thinner, and the travelling comfort is good, and the oil consumption is low.

Description

Novel support rubber and run-flat tire

Technical Field

The utility model belongs to the run-flat tire field especially relates to a novel support is glued and run-flat tire.

Background

During the driving process of the automobile, the tire provides friction force for the automobile through contact with the ground, and the safety of the tire has important influence on the safety of the automobile. With the improvement of living standard and the continuous enhancement of safety consciousness of people, the anti-explosion tire becomes the first choice of more and more vehicle owners.

The run flat tire has the advantage that the durability under zero air pressure is ensured by adding a strong and hard supporting rubber at the tire side part. Traditional supporter comprises single gluey kind crescent support glue, and the support is glued thickly more, and the support nature is stronger, nevertheless supports and glues thickly excessively, can cause the tire travelling comfort to reduce.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel support glued structure and run-flat tire, this support glued thickness is thinner, and the tire travelling comfort is good.

The utility model provides a supporting glue structure, wherein the supporting glue is arranged between an inner lining layer and triangular glue, and the thickness of the thickest point of the supporting glue is 5-10 mm; the upper end point of the support rubber is positioned below the belt ply, the support rubber is overlapped with the belt ply, L2 is larger than or equal to 12mm and smaller than or equal to 20mm, and L2-L1 is larger than or equal to 8 mm; the vertical distance between the lower end point of the support glue and the plane of the steel wire ring is L3, and L3 is more than or equal to 5mm and less than or equal to 10 mm; two layers of fiber cord fabrics are arranged in the supporting glue, the cord directions of the two layers of fiber cord fabrics are arranged in a crossed mode, and the angle is 40-50 degrees; the upper end point of the fiber cord fabric is positioned at the position of 30-45mm below the upper end point of the support glue, and the lower end point is positioned at the position of 10-20mm above the lower end point of the support glue;

wherein: l1 is the distance between the upper end of the sidewall and the upper end of the support rubber;

l2 is the distance that the upper end of the support gum overlaps the belt.

Preferably, the two layers of fiber drapes are attached together.

Preferably, the thicknesses of the supporting glue on the left side and the right side of the two layers of fiber cord fabrics are equal.

Preferably, the supporting glue is crescent, the thickness of the middle part is the thickest, and the thickness decreases gradually from the middle part to the edge part.

The utility model also provides a run-flat tire contains above-mentioned arbitrary one the support glued structure.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model provides a support and glue, support and glue inside two-layer fibre curtain cloth that sets up, glue inside formation fibre skeleton supporting for the supporter has stronger anti tear ability, promotes greatly the support ability of tire, so can suitably reduce the whole thickness of supporter. Meanwhile, the thickness of the supporting rubber is reduced, so that the tire wall is thinned, the integral rigidity of the tire is reduced, and the comfort is improved.

Simultaneously the utility model provides an explosion-proof tyre is thin owing to support gluey thickness for tire weight reduces, thereby can the oil consumption reduction.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:

FIG. 1 is a schematic structural view of a conventional crescent supporting glue;

fig. 2 is a schematic structural view of a support adhesive according to an embodiment of the present invention; the left side is an overall structural schematic diagram of the support glue, and the right side is a structural schematic diagram of the two layers of fiber cord fabric after being attached;

fig. 3 is a schematic structural view of the anti-explosion tire of the present invention;

wherein: 1-tire tread, 2-cap ply, 3-belt ply, 4-tire side, 5-tire body, 6-reinforcing layer, 7-1-fiber cord fabric, 7-2-supporting rubber, 8-outer protection, 9-triangular rubber, 10-steel wire ring and 11-inner liner layer

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described and illustrated with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Based on the embodiments provided by the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

It is obvious that the drawings in the following description are only examples or embodiments of the invention, from which it is possible for a person skilled in the art to apply the invention to other similar situations without inventive effort. Moreover, it will be appreciated that in the development of any such actual embodiment, as in any specific implementation, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which will vary from one implementation to another.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is to be expressly and implicitly understood by one of ordinary skill in the art that the described embodiments of the present invention may be combined with other embodiments without conflict.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as is commonly understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" and "an" and "the" and similar referents in the context of describing the invention are not to be construed as limiting the number, but may be construed to cover both the singular and the plural. The present invention relates to the terms "comprises," "comprising," "includes," "including," "has," "having" and any variations thereof, which are intended to cover non-exclusive inclusions; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to the listed steps or elements, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. The terms "connected," "coupled," and the like in the description may not be limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The utility model relates to a "a plurality of" means two or more. "and/or" describes an association relationship of associated objects, meaning that three relationships may exist, for example, "A and/or B" may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. The terms "first," "second," "third," and the like in the description of the invention are used merely to distinguish between similar objects and not necessarily to represent a particular ordering for the objects.

As shown in fig. 2, the embodiment of the present invention provides a novel support adhesive 7-2, wherein the support adhesive 7-2 is disposed between an inner liner layer 11 and a bead filler 9, and the thickness of the thickest point of the support adhesive 7-2 is 5-10 mm; the upper end point of the support rubber 7-2 is positioned below the belt ply 3, the support rubber 7-2 is partially overlapped with the belt ply 3, L2 is more than or equal to 12mm and less than or equal to 20mm, and L2-L1 is more than or equal to 8 mm; the vertical distance between the lower end point of the support rubber 7-2 and the upper plane of the steel wire ring 10 is L3, and L3 is more than or equal to 5mm and less than or equal to 10 mm; two layers of fiber cord fabrics 7-1 are arranged inside the supporting rubber 7-2, the cord directions of the two layers of fiber cord fabrics 7-1 are arranged in a crossed mode, and the angle is 40-50 degrees; the upper end point of the fiber cord fabric 7-1 is positioned 30-45mm below the upper end point of the support adhesive 7-2, and the lower end point is positioned 10-20mm above the lower end point of the support adhesive 7-2;

wherein: l1 is the distance between the upper end of the sidewall 4 and the upper end of the support rubber 7-2;

l2 is the distance by which the upper end point of the support rubber 7-2 overlaps the belt 3.

As shown in FIG. 1, the conventional support glue 7-2 is in a crescent shape of a single glue variety. The utility model provides a novel support is glued 7-2, glue 7-2 inside at the support and set up two-layer fibre curtain cloth 7-1, two-layer fibre curtain cloth 7-1 glues 7-2 inside formation fibre skeleton at the support for support glue 7-2 has stronger anti tear ability, promotes greatly to the support ability of tire, so can suitably reduce the whole thickness of supporter. Meanwhile, the thickness of the support rubber 7-2 is reduced, so that the tire wall is thinned, the integral rigidity and weight of the tire are reduced, the comfort is improved, and the oil consumption is reduced.

The utility model discloses in, set up fibre curtain cloth 7-1 inside supporting gluey 7-2, inject simultaneously about the extreme point all inside supporting gluey 7-2, can make fibre curtain cloth 7-1 wrap up in the inside of supporting gluey 7-2 completely like this, because support gluey 7-2 is thick, with fibre curtain cloth cladding back, can effectually reduce the damage that cord thread extreme point department stress concentration produced, the deformation volume is little. Compared with the fiber cord fabric attached to the outer side of the supporting rubber 7-2, the number of the endpoints of the seam allowance part is smaller, and the risks of fracture and delamination of the seam allowance part caused by stress concentration at the endpoints can be reduced. Moreover, due to the addition of the fiber reinforcing material, the integrity of the support rubber 7-2 is enhanced, when stress is applied, the stress can be dispersed to the whole tire wall to the maximum extent through the transmission effect of the framework material due to the existence of the framework material, so that the local fracture damage and the like caused by the overlarge local stress due to load loading are avoided during run-flat running, and the run-flat durability of the tire is greatly improved.

In the utility model, the cord directions of the two layers of fiber cord fabrics 7-1 are arranged in a cross way by attaching the two layers of fiber cord fabrics 7-1, so that the stretch-proofing and compression-proofing capability of the support body is greatly enhanced.

In the utility model, the two layers of fiber cord fabrics 7-1 are preferably adhered together. By such an arrangement, the tensile and compression resistance of the support body can be further enhanced. The utility model discloses in, in order not to produce the bubble in the forming process, the curtain cloth of two-layer different angles adopts whole calendering shaping back of once more, adds to inside the support glue 7-2 again.

In the utility model, the thickness of the supporting glue 7-2 on the left and right sides of the two-layer fiber cord fabric 7-1 is preferably equal. By such an arrangement, it is further ensured that the fiber cord 7-1 can be completely wrapped inside the support rubber 7-2.

The utility model discloses in, the support is glued 7-2 and is preferred to be crescent, and middle thickness is the thickest, and thickness is steadilyd decrease to limit portion by the centre.

The utility model also provides an explosion-proof child, contain above-mentioned arbitrary one the support glue 7-2 structure. As shown in figure 3, the utility model provides an explosion-proof clamping fixture includes tread 1, cap ply 2, belted layer 2, side wall 4, matrix 5, reinforcing layer 6, support gum 7-2, fibre curtain cloth 7-1, outer 8, apex 9, steel wire winding 10 and inner liner 11.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (5)

1. The novel support adhesive is characterized in that the support adhesive is arranged between an inner lining layer and a triangular adhesive, and the thickness of the thickest point of the support adhesive is 5-10 mm; the upper end point of the support rubber is positioned below the belt ply, the support rubber is overlapped with the belt ply, L2 is larger than or equal to 12mm and smaller than or equal to 20mm, and L2-L1 is larger than or equal to 8 mm; the vertical distance between the lower end point of the support glue and the plane of the steel wire ring is L3, and L3 is more than or equal to 5mm and less than or equal to 10 mm; two layers of fiber cord fabrics are arranged in the supporting glue, the cord directions of the two layers of fiber cord fabrics are arranged in a crossed manner, and the angle is 40-50 degrees; the upper end point of the fiber cord fabric is positioned at the position of 30-45mm below the upper end point of the support glue, and the lower end point is positioned at the position of 10-20mm above the lower end point of the support glue;

wherein: l1 is the distance between the upper end of the sidewall and the upper end of the support rubber;

l2 is the distance that the upper end of the support gum overlaps the belt.

2. The support adhesive of claim 1, wherein the two layers of fibrous veils are bonded together.

3. The support rubber according to claim 1, wherein the thickness of the support rubber on the left side and the right side of the two layers of fiber cord fabrics is equal.

4. The support adhesive according to claim 1, wherein the support adhesive is crescent-shaped, the thickness of the middle part is the thickest, and the thickness decreases from the middle part to the edge part.

5. A run flat tire characterized by: a support adhesive comprising the support adhesive according to any one of claims 1 to 4.

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