High-performance light truck tire structure
By using a combination of hard triangle glue and soft triangle glue in the tire, combined with multi-layer carcass reverse cladding and reinforcement layers, the problem of insufficient stress concentration and restraint strength in the tire structure is solved, and the durability of the tire is significantly improved. Resistance to drum.
Patent Information
- Application Number
- CN202421075975.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2034-05-17
AI Technical Summary
The softness of the triangular rubber in the existing tire structure leads to stress concentration damage, insufficient restraint strength at the sub-mouth, and bulging is prone to occur.
A combination of hard triangle glue and soft triangle glue is used to set up three carcass reverse cladding and two reinforcement layers to ensure that the stress distribution at the end points of the triangle glue is evenly distributed and the binding strength of the reinforcement mouth.
It effectively avoids damage to the end point of the triangle glue, improves the strength of the sub-mouth area, and reduces the risk of bulging.
Smart Images
Figure CN222360812U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tires, in particular to a high-performance light truck tire structure. Background Art
[0002] With the development of the transportation industry, the number of trucks in the market is increasing. Considering the different development and road conditions in different places, as well as the frequent overloading in actual use, the safety of tires has received more and more attention and attention from customers.
[0003] The apex rubber in the existing tire structure adopts a soft apex rubber, and the stress is concentrated at the end of the apex rubber, which is easy to be damaged; secondly, the binding strength of the tire mouth is weak, which is easy to cause bulging. Utility Model Content
[0004] In view of the above shortcomings of the prior art, the purpose of the present invention is to provide a high-performance light truck tire structure that can solve the above technical problems.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A high-performance light truck tire structure comprises a tire, wherein the tire tip portion is provided with an apex rubber, a carcass turnup layer, a reinforcement layer and a tip rubber in sequence from the inside to the outside; the apex rubber comprises a hard apex rubber and a soft apex rubber, and the soft apex rubber is in contact with the hard apex rubber; the carcass turnup layer comprises a first carcass turnup layer, a second carcass turnup layer and a third carcass turnup layer, the first carcass turnup layer, the second carcass turnup layer and the third carcass turnup layer are arranged in sequence, and the third carcass turnup layer is in contact with the soft apex rubber; the reinforcement layer comprises a first reinforcement layer and a second reinforcement layer, the first reinforcement layer and the second reinforcement layer are arranged in sequence, and the first reinforcement layer is in contact with the first carcass turnup layer, and the second reinforcement layer is in contact with the tip rubber.
[0007] Preferably, the height of the sub-gland is 30%-40% of the height of the lower sidewall of the tire.
[0008] Preferably, the height difference between the hard apex rubber and the sub-apex rubber is 5-10 mm, and the height of the soft apex rubber is 55%-60% of the height of the lower sidewall of the tire.
[0009] Preferably, the height of the second reinforcing layer is 75%-80% of the height of the lower sidewall of the tire, and the height difference between the first reinforcing layer and the second reinforcing layer is 5-10 mm.
[0010] Preferably, the height of the third carcass turnup layer is 15-20 mm, the height difference between the second carcass turnup layer and the lower sidewall of the tire is 5-10 mm, and the height difference between the first carcass turnup layer and the lower sidewall of the tire is 15-20 mm.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] 1. The apex in the utility model adopts two kinds of soft and hard apex, wherein the soft apex has low hardness and the hard apex has high hardness. Through the cooperation of the two, the damage caused by stress concentration at the end point of the apex is effectively avoided.
[0013] 2. The utility model improves the binding strength of the sub-mouth by arranging two reinforcement layers, thus avoiding the early bulging phenomenon.
[0014] 3. The utility model increases the strength of the sub-mouth part and further reduces the risk of bulging by arranging three layers of carcass reverse wrapping layers. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0017] Description of reference numerals:
[0018] 1-tire, 2-apex rubber, 3-hard apex rubber, 4-soft apex rubber, 5-first reinforcing layer, 6-second reinforcing layer, 7-first carcass turn-up layer, 8-second carcass turn-up layer, 9-third carcass turn-up layer. DETAILED DESCRIPTION
[0019] The following is a detailed description of the invention of the utility model by way of examples in conjunction with the accompanying drawings of the specification. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments.
[0020] Embodiment 1
[0021] like Figure 1As shown, the utility model discloses a high-performance light truck tire structure, including a tire 1, wherein the tire 1 is provided with an apex rubber, a carcass turn-up layer, a reinforcement layer and a apex rubber 2 in sequence from the inside to the outside at the apex portion; the apex rubber includes a hard apex rubber 3 and a soft apex rubber 4, and the soft apex rubber 4 is in contact with the hard apex rubber 3; the carcass turn-up layer includes a first carcass turn-up layer 7, a second carcass turn-up layer 8 and a third carcass turn-up layer 9, and the first carcass turn-up layer 7, the second carcass turn-up layer 8 and the third carcass turn-up layer 9 are arranged in sequence, and the third carcass turn-up layer 9 is in contact with the soft apex rubber 4; the reinforcement layer includes a first reinforcement layer 5 and a second reinforcement layer 6, and the first reinforcement layer 5 and the second reinforcement layer 6 are arranged in sequence, and the first reinforcement layer 5 is in contact with the first carcass turn-up layer 7, and the second reinforcement layer 6 is in contact with the apex rubber 2.
[0022] Furthermore, in this embodiment, the height of the sub-gland 2 is 35% of the height of the lower sidewall of the tire.
[0023] Furthermore, in this embodiment, the height difference between the hard apex rubber 3 and the sub-apex rubber 2 is 5 mm, and the height of the soft apex rubber 4 is 60% of the height of the lower sidewall of the tire.
[0024] Furthermore, in this embodiment, the height of the second reinforcing layer 6 is 80% of the height of the lower sidewall of the tire, and the height difference between the first reinforcing layer 5 and the second reinforcing layer 6 is 8 mm.
[0025] Furthermore, in this embodiment, the height of the third carcass turnup layer 9 is 18 mm, the height difference between the second carcass turnup layer 8 and the lower sidewall of the tire is 10 mm, and the height difference between the first carcass turnup layer 7 and the lower sidewall of the tire is 16 mm.
[0026] The apex rubber in the utility model adopts two kinds of soft and hard apex rubbers, among which the soft apex rubber has a low hardness and the hard apex rubber has a high hardness. Through the cooperation of the two, the damage caused by stress concentration at the end points of the apex rubber is effectively avoided; by setting two layers of reinforcement layers, the binding strength of the sub-mouth part is improved to avoid early bulging phenomenon; by setting three layers of carcass reverse wrapping layers, the strength of the sub-mouth part is increased to further reduce the risk of bulging.
[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the present invention according to the technical solution and application concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A high-performance light truck tire structure, comprising a tire (1), characterized in that: The tire (1) has an apex rubber, a carcass turn-up layer, a reinforcing layer and a apex rubber (2) arranged in sequence from the inside to the outside at the apex portion; the apex rubber comprises a hard apex rubber (3) and a soft apex rubber (4), and the soft apex rubber (4) is in contact with the hard apex rubber (3); the carcass turn-up layer comprises a first carcass turn-up layer (7), a second carcass turn-up layer (8) and a third carcass turn-up layer (9), and the first carcass turn-up layer (7), the second carcass turn-up layer (8) and the third carcass turn-up layer (9) are arranged in sequence, and the third carcass turn-up layer (9) is in contact with the soft apex rubber (4); the reinforcing layer comprises a first reinforcing layer (5) and a second reinforcing layer (6), and the first reinforcing layer (5) and the second reinforcing layer (6) are arranged in sequence, and the first reinforcing layer (5) is in contact with the first carcass turn-up layer (7), and the second reinforcing layer (6) is in contact with the apex rubber (2).
2. A high-performance light truck tire structure as claimed in claim 1, characterized in that: The height of the sub-gland (2) is 30%-40% of the height of the lower sidewall of the tire.
3. A high-performance light truck tire structure as claimed in claim 1, characterized in that: The height difference between the hard apex rubber (3) and the sub-apex rubber (2) is 5-10 mm, and the height of the soft apex rubber (4) is 55%-60% of the height of the lower sidewall of the tire.
4. A high performance light truck tire structure as claimed in claim 1, characterized in that: The height of the second reinforcing layer (6) is 75%-80% of the height of the lower sidewall of the tire, and the height difference between the first reinforcing layer (5) and the second reinforcing layer (6) is 5-10 mm.
5. A high performance light truck tire structure as claimed in claim 1, characterized in that: The height of the third carcass turn-up layer (9) is 15-20 mm, the height difference between the second carcass turn-up layer (8) and the lower sidewall of the tire is 5-10 mm, and the height difference between the first carcass turn-up layer (7) and the lower sidewall of the tire is 15-20 mm.