All-steel radial tire with steel wire reinforced tire bead
By setting up a multi-layer reinforcement structure and cloth in the tire, the problem of insufficient tire strength of the all-steel radial tire is solved, and the durability and stability of the tire are improved, and cracking and aging are prevented.
Patent Information
- Application Number
- CN202411137784.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-19
- Publication Date
- 2024-12-27
AI Technical Summary
The tire strength of existing all-steel radial tires is weak and is prone to crack after collision during high-speed driving, affecting the stability of the tire.
The steel wire reinforced bead design includes a pair of first reinforcement parts arranged in the carcass, including a first reinforcement layer, an elastic layer and a second reinforcement layer from the inside to the outside, and a hard rod is arranged inside and outside the first reinforcement layer. Add nylon wrapping cloth and hard wrapping cloth to enhance the edge strength, and cooperate with reinforcement layer and polymer waterproof layer to prevent the aging of the lip.
It improves the toughness and strength of the tire, prevents cracking, extends the service life of the tire, and prevents the tire lip from being damp through uniform stress and waterproof layer, enhancing the durability and stability of the tire.
Smart Images
Figure CN119189561A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of tires, and in particular to a full-steel radial tire with a steel wire reinforced bead. Background Art
[0002] A radial tire is a pneumatic tire in which the carcass cords are arranged at an angle of 90° or close to 90° to the centerline of the crown, and the carcass is tightened by the belt layer. Radial tires are divided into full steel radial tires, semi-steel radial tires and full fiber radial tires.
[0003] In the related prior art, the carcass of the all-steel radial tire includes a carcass cover and a steel bead. The two ends of the carcass cover form a wrapping bag, and the steel bead is arranged inside the wrapping bag. However, since the carcass only uses the carcass cover to ensure the strength of the tire sidewall, when the collision object hits the tire sidewall during high-speed driving, there is still a risk of cracking of the tire sidewall, and the stability of the tire cannot be guaranteed. Summary of the invention
[0004] Based on the above description, the present invention provides a steel wire reinforced bead all-steel radial tire, which aims to solve the problem of relatively weak strength of the existing all-steel radial tire bead.
[0005] The technical solution of the present invention to solve the above technical problems is as follows:
[0006] A full steel radial tire with steel wire reinforced bead, comprising:
[0007] Carcass;
[0008] A carcass steel wire cloth is arranged inside the carcass, and both ends of the carcass steel wire cloth form a wrapping bag;
[0009] A wire ring is arranged inside the wrapping bag;
[0010] A pair of first reinforcement parts are arranged inside the carcass, the pair of first reinforcement parts are symmetrical about a defined central axis, the first reinforcement parts are arranged opposite to the carcass wire wrap, and the first reinforcement parts include a first reinforcement layer, an elastic layer, and a second reinforcement layer arranged in sequence from the inside to the outside.
[0011] Based on the above technical solution, the present invention can also be improved as follows.
[0012] Furthermore, a first accommodating unit and a second accommodating unit are provided within the first reinforcement layer, the first accommodating units form a pair, the second accommodating unit is located between the pair of first accommodating units, the first accommodating unit includes a plurality of first accommodating cavities arranged at intervals along the path of the first reinforcement layer, the second accommodating unit includes a plurality of second accommodating cavities arranged at intervals along the path of the first reinforcement layer, the first accommodating cavities and the second accommodating cavities are alternately arranged, and a hard rod is provided in each of the first accommodating cavity and the second accommodating cavity.
[0013] Furthermore, the first reinforcement layer and / or the second reinforcement layer are made of hard rubber.
[0014] Furthermore, the hard rod is a steel wire rod.
[0015] Furthermore, it includes a pair of nylon wrapping cloths, and the nylon wrapping cloths are wrapped on the wrapping bag one by one.
[0016] Furthermore, it comprises a pair of hard covering cloths, and the hard covering cloths are wrapped on the nylon covering cloth in a one-to-one correspondence.
[0017] Furthermore, the hard coating is an iron block.
[0018] Furthermore, it includes a pair of second reinforcement parts, the pair of second reinforcement parts are arranged inside the carcass, the pair of second reinforcement parts are axially symmetrical about the defined central axis, the second reinforcement parts are arranged opposite to the hard cover cloth, and the second reinforcement parts include a reinforcement layer and a polymer waterproof layer arranged in sequence from the inside to the outside.
[0019] Furthermore, the reinforcement layer is made of hard rubber.
[0020] Furthermore, the polymer waterproof layer is made of nylon.
[0021] Compared with the prior art, the technical solution of this application has the following beneficial technical effects:
[0022] (1) The present invention improves the toughness and strength of the tire tread by cooperating with the first reinforcing layer, the elastic layer and the second reinforcing layer, thereby preventing the tire tread from cracking when impacted, thereby improving the durability of the tire.
[0023] (2) The hard rod of the present application can make the first reinforcement layer bear force evenly and prevent the collision force from being too concentrated. The hard rod of the second accommodating cavity is supplemented to prevent the existence of weak areas.
[0024] (3) The present application uses a reinforcement layer and a polymer waterproof layer to keep the tire lip dry for a long time, delay aging of the area, and prevent cracking. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 It is a schematic structural diagram of a steel wire reinforced bead all-steel radial tire provided in an embodiment of the present invention;
[0026] Figure 2 It is a schematic diagram of the partial structure of a full-steel radial tire with steel wire reinforced bead provided in an embodiment of the present invention;
[0027] Figure 3 is a schematic structural diagram of a first reinforcement portion in an embodiment of the present invention;
[0028] Figure 4 is a schematic structural diagram of the first reinforcement layer in an embodiment of the present invention;
[0029] Figure 5 Schematic diagram of the structure of the second reinforcement part in an embodiment of the present invention.
[0030] Description of reference numerals:
[0031] L. Define the central axis;
[0032] 1. Carcass;
[0033] 2. Steel wire cloth for carcass; 21. Wrapping bag;
[0034] 3. Wire ring;
[0035] 4. first reinforcement part; 41. first reinforcement layer; 42. elastic layer; 43. second reinforcement layer; 4311. first accommodation cavity; 4312. second accommodation cavity; 4313. steel wire rod;
[0036] 5. Nylon bag;
[0037] 6. Hard cloth;
[0038] 7. Second reinforcement part; 71. Reinforcement layer; 72. Polymer waterproof layer. DETAILED DESCRIPTION
[0039] In order to facilitate understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. Embodiments of the present application are provided in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.
[0040] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.
[0041] It will be appreciated that spatial relationship terms such as "under," "beneath," "below," "under," "above," "above," etc., may be used herein to describe the relationship of an element or feature shown in the figures to other elements or features. It will be appreciated that, in addition to the orientations shown in the figures, spatial relationship terms also include different orientations of the device in use and operation. For example, if the device in the accompanying drawings is flipped, an element or feature described as "under other elements" or "under it" or "under it" will be oriented as being "above" the other elements or features. Thus, the exemplary terms "under" and "under" may include both upper and lower orientations. In addition, the device may also include additional orientations (e.g., rotated 90 degrees or other orientations), and the spatial descriptors used herein are interpreted accordingly.
[0042] When used herein, the singular forms "a", "an", and "said / the" may also include plural forms, unless the context clearly indicates otherwise. It should also be understood that the terms "include / comprise" or "have" etc. specify the presence of stated features, wholes, steps, operations, components, parts or combinations thereof, but do not exclude the possibility of the presence or addition of one or more other features, wholes, steps, operations, components, parts or combinations thereof.
[0043] Refer to the attached Figures 1 to 3 As shown, the present invention provides a technical solution: a full-steel radial tire with steel wire reinforced bead, comprising a carcass 1, a carcass wire cloth 2, a wire ring 3 and a pair of first reinforcement parts 4, the carcass wire cloth 2 is arranged inside the carcass 1, and both ends of the carcass wire cloth 2 form a wrapping bag 21; the wire ring 3 is arranged inside the wrapping bag 21; a pair of first reinforcement parts 4 are arranged inside the carcass 1, and the pair of first reinforcement parts 4 are symmetrical about the defined central axis L, the first reinforcement part 4 is arranged opposite to the carcass wire cloth 2, and the first reinforcement part 4 includes a first reinforcement layer 41, an elastic layer 42 and a second reinforcement layer 43 which are arranged in sequence from the inside to the outside.
[0044] According to this embodiment, the first reinforcing layer 41 plays a role in resisting collision objects. The elastic layer 42 absorbs collision energy, reduces the impact force of the collision object as much as possible, and reduces the damage of the impact force to the first reinforcing layer 41. The second reinforcing layer 43 plays a blocking role, preventing the impact force from continuing to impact the inner side of the tire body 1. Compared with the prior art, the first reinforcing layer 41, the elastic layer 42 and the second reinforcing layer 43 cooperate to improve the toughness and strength of the tire sidewall of the tire body 1. It prevents the tire sidewall of the tire body 1 from cracking when it is hit, thereby improving the durability of the tire.
[0045] Refer to the attached Figures 3-4As shown, in some embodiments, a first accommodating unit and a second accommodating unit are provided in the first reinforcement layer 41, the first accommodating unit is a pair, the second accommodating unit is located between the pair of first accommodating units, the first accommodating unit includes a plurality of first accommodating cavities 4311 arranged at intervals along the path of the first reinforcement layer 41, the second accommodating unit includes a plurality of second accommodating cavities 4312 arranged at intervals along the path of the first reinforcement layer 41, the first accommodating cavities 4311 and the second accommodating cavities 4312 are alternately arranged, and a hard rod is provided in each of the first accommodating cavities 4311 and the second accommodating cavities 4312.
[0046] According to this embodiment, after such arrangement, the first reinforcement layer 41 can be evenly stressed to prevent the collision force from being too concentrated. The hard rod of the second accommodating cavity 4312 is supplemented to prevent the existence of weak areas.
[0047] In some embodiments, the first reinforcement layer 41 and / or the second reinforcement layer 43 are made of hard rubber.
[0048] Exemplarily, the hard rubber material may be hard apex rubber or the like.
[0049] According to this embodiment, through the characteristics of the material, not only the toughness of the first reinforcement layer 41 can be guaranteed, but also the strength of the first reinforcement layer 41 can be guaranteed.
[0050] In some embodiments, the hard rod is a wire rod 4313.
[0051] Refer to the attached Figures 1-2 As shown, in some embodiments, a pair of nylon wrapping cloths 5 are included, and the nylon wrapping cloths 5 are wrapped on the wrapping bag 21 one by one.
[0052] According to this embodiment, the nylon wrapping cloth 5 is provided to strengthen the strength of the sub-mouth, increase the load-bearing capacity of the tire, and enable the sub-mouth to remain stable.
[0053] Refer to the attached Figures 1-2 As shown, in some embodiments, a pair of hard wrapping cloths 6 are included, and the hard wrapping cloths 6 are wrapped on the nylon wrapping cloth 5 one by one.
[0054] According to this embodiment, the provision of the hard cover 6 can further enhance the strength of the sub-mouth, increase the load-bearing capacity of the tire, and enable the sub-mouth to remain stable.
[0055] Preferably, the hard coating 6 is an iron block or the like.
[0056] Refer to the attached Figure 1 and 5As shown, in some embodiments, a pair of second reinforcement parts 7 are included, the pair of second reinforcement parts 7 are arranged inside the tire body 1, the pair of second reinforcement parts 7 are symmetrical about the defined central axis L, the second reinforcement parts 7 are arranged opposite to the hard cover 6, and the second reinforcement parts 7 include a reinforcement layer 71 and a polymer waterproof layer 72 arranged in sequence from the inside to the outside.
[0057] According to this embodiment, the reinforcement layer 71 and the polymer waterproof layer 72 cooperate to keep the tire bead dry for a long time, delay aging of the area, and prevent cracking.
[0058] Preferably, the reinforcement layer 71 is made of hard rubber.
[0059] Exemplarily, the hard rubber is chloroprene rubber or fluororubber.
[0060] According to this embodiment, if water penetrates through the polymer waterproof layer 72, the reinforcing layer 71 can prevent the water from further spreading, thereby preventing the tire lip from getting wet.
[0061] Preferably, the polymer waterproof layer 72 is made of nylon.
[0062] According to this embodiment, the waterproof performance of the polymer waterproof layer 72 is ensured by the characteristics of the material.
[0063] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A steel wire reinforced bead all-steel radial tire, characterized in that: include: Carcass (1); A carcass steel wire wrap (2) is arranged inside the carcass (1), and both ends of the carcass steel wire wrap (2) form a wrapping bag (21); A wire ring (3) is arranged inside the wrapping bag (21); A pair of first reinforcing parts (4) are arranged inside the carcass (1), the pair of first reinforcing parts (4) are symmetrical about a defined central axis (L), the first reinforcing parts (4) are arranged opposite to the carcass wire wrap (2), and the first reinforcing parts (4) include a first reinforcing layer (41), an elastic layer (42) and a second reinforcing layer (43) arranged in sequence from the inside to the outside.
2. The all-steel radial tire with steel wire reinforced bead according to claim 1, characterized in that: A first accommodating unit and a second accommodating unit are provided inside the first reinforcement layer (41), the first accommodating unit is a pair, the second accommodating unit is located between the pair of the first accommodating units, the first accommodating unit includes a plurality of first accommodating cavities (4311) arranged at intervals along the path of the first reinforcement layer (41), the second accommodating unit includes a plurality of second accommodating cavities (4312) arranged at intervals along the path of the first reinforcement layer (41), the first accommodating cavities (4311) and the second accommodating cavities (4312) are arranged alternately, and a hard rod is provided inside each of the first accommodating cavities (4311) and the second accommodating cavities (4312).
3. The all-steel radial tire with steel wire reinforced bead according to claim 1, characterized in that: The first reinforcement layer (41) and / or the second reinforcement layer (43) are made of hard rubber.
4. A steel wire reinforced bead all-steel radial tire according to claim 3, characterized in that: The hard rod is a steel wire rod (4313).
5. The all-steel radial tire with steel wire reinforced bead according to claim 1, characterized in that: It comprises a pair of nylon wrapping cloths (5), wherein the nylon wrapping cloths (5) are wrapped on the wrapping bag (21) in a one-to-one correspondence.
6. The all-steel radial tire with steel wire reinforced bead according to claim 5, characterized in that: It comprises a pair of hard wrapping cloths (6), wherein the hard wrapping cloths (6) are wrapped on the nylon wrapping cloths (5) in a one-to-one correspondence.
7. The all-steel radial tire with steel wire reinforced bead according to claim 6, characterized in that: The hard coating (6) is an iron block.
8. The all-steel radial tire with steel wire reinforced bead according to claim 6, characterized in that: The invention comprises a pair of second reinforcing parts (7), the pair of second reinforcing parts (7) are arranged inside the carcass (1), the pair of second reinforcing parts (7) are axially symmetrical about the defined central axis (L), the second reinforcing parts (7) are arranged opposite to the hard cover cloth (6), and the second reinforcing parts (7) comprise a reinforcing layer (71) and a polymer waterproof layer (72) arranged in sequence from the inside to the outside.
9. The all-steel radial tire with steel wire reinforced bead according to claim 8, characterized in that: The reinforcing layer (71) is made of hard rubber.
10. The all-steel radial tire with steel wire reinforced bead according to claim 8, characterized in that: The polymer waterproof layer (72) is made of nylon.