CN220483009U - Radial tire bead structure - Google Patents
Radial tire bead structure Download PDFInfo
- Publication number
- CN220483009U CN220483009U CN202321921436.5U CN202321921436U CN220483009U CN 220483009 U CN220483009 U CN 220483009U CN 202321921436 U CN202321921436 U CN 202321921436U CN 220483009 U CN220483009 U CN 220483009U
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- CN
- China
- Prior art keywords
- bead
- ring
- bead wire
- tire
- auxiliary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000011324 bead Substances 0.000 title claims abstract description 162
- 239000003292 glue Substances 0.000 claims abstract description 41
- 239000004744 fabric Substances 0.000 claims abstract description 33
- 238000010618 wire wrap Methods 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 12
- 239000012779 reinforcing material Substances 0.000 claims description 14
- 239000000945 filler Substances 0.000 claims description 10
- 230000002787 reinforcement Effects 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims 4
- 239000000835 fiber Substances 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000012856 packing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Tires In General (AREA)
Abstract
The utility model discloses a radial tire bead structure, which comprises an inner liner, wherein a carcass ply is arranged on the inner side of the inner liner, hard triangular glue is arranged on the inner side of the carcass ply, bead wire wrapping cloth is arranged on the carcass ply, filling glue is arranged on the inner side of the carcass ply, and a main bead ring is arranged on the filling glue. The utility model adopts a brand new three-bead-ring structural design, the bead ring adopts three upper, middle and lower bead-ring, the inner side adopts bead wire wrapping cloth, the outer side adopts a structure that the bead wire wrapping cloth wraps the carcass ply with two layers of fiber reinforced materials, filling glue and filling glue, and the load-resisting performance of the tire bead part is improved by innovatively designing the structural form and the material distribution of the tire bead part. By applying the three bead rings and special type glue, the anti-shape of the tire body is changed, the deformation resistance of the tire bead position is improved, the damage of stress concentration of the tire body anti-wrapping end point to the tire bead is eliminated, and the anti-tire body back-drawing performance is improved.
Description
Technical Field
The utility model relates to the technical field of tires, in particular to a radial tire bead structure.
Background
Tires are ground-engaging rolling, annular elastomeric rubber articles assembled on a variety of vehicles or machines. The automobile body is usually arranged on a metal rim, can support the automobile body, buffer external impact, realize contact with a road surface and ensure the running performance of the automobile. Tires are often used under complex and severe conditions, and they are subjected to various deformations, loads, forces and high and low temperatures during running, and therefore must have high load-bearing, traction and cushioning properties. At the same time, it is also required to have high wear resistance and flex resistance, as well as low rolling resistance and heat buildup.
Under the use conditions of poor road conditions, serious overload, high air pressure and the like, the existing tire bead structure is deformed greatly and is bent on the rim flange, and the tire body cord fabric turnup part and the bead wire wrap at the position near the rim flange area are compressed and deformed to form stress concentration, and meanwhile, the tire body is drawn back due to the large deformation, so that the tire has the quality problems of ring blank, ring crack, explosion and the like.
Disclosure of Invention
The utility model aims to provide a radial tire bead structure, which solves the problems of empty tire, split tire, burst tire and the like under the use conditions of poor road conditions, serious overload, high air pressure and the like.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a radial tire bead structure, includes the inside lining, the inboard of inside lining is provided with the carcass ply, the inboard of carcass ply is provided with hard apex, be provided with the bead wire package on the carcass ply, the inboard of having the carcass ply is provided with the packing gum, be provided with main bead on the packing gum, be provided with first supplementary bead on the bead wire package, be provided with the second on the bead wire package, the second is assisted bead and is set up on hard apex, be provided with the packing type on the first supplementary bead and glue, the packing type is glued and is set up on the bead wire package, be provided with the wearing rubber on the inside lining, be provided with bead reinforcement material on the bead wire package, be provided with the sidewall gum on the inside lining, be provided with soft apex on the carcass ply.
Preferably, the filling glue is arranged between the inner sides of the main bead ring and the carcass and the reverse wrapping part, and is sequentially wrapped by the carcass ply, the main bead ring and the carcass reverse wrapping part from inside to outside. The connection strength between the main bead ring and the tire body can be enhanced by designing the filling glue.
Preferably, the filling glue is arranged between the outer edge of the main steel wire ring and the outer edge of the auxiliary steel wire ring as well as between the outer edge of the second auxiliary steel wire ring. By designing the filling glue, the internal gap can be filled.
Preferably, the filling type glue is positioned between the bead reinforcing material and the reverse wrapping part of the soft triangular glue and the carcass, and is wrapped by the bead reinforcing material, the soft triangular glue and the carcass from outside to inside in sequence. By designing the filling type glue, gaps between the sub-opening reinforcing material and the soft triangular glue as well as gaps between the sub-opening reinforcing material and the turn-up part of the carcass can be filled.
Preferably, the carcass is located between the bead wire wrapping cloth, the main bead ring, the first auxiliary bead ring, the second auxiliary bead ring, the filling rubber and the filling rubber, and the reverse wrapping part passes through the main bead ring and the first auxiliary bead ring and is arranged between the main bead ring and the first auxiliary bead ring and is wrapped by the main bead ring, the first auxiliary bead ring, the filling rubber and the filling rubber. By designing the main bead ring and the first auxiliary bead ring, the carcass strength can be improved.
Preferably, the end point of the bead wire wrapping cloth passes through the main bead ring and the second auxiliary bead ring and is arranged between the main bead ring and the second auxiliary bead ring, and is jointly wrapped by the first auxiliary bead ring, the second auxiliary bead ring and the filling glue. Through design the rim of a child steel wire infantees, can strengthen internal structure intensity.
The beneficial effects of the utility model are as follows:
the utility model adopts a brand new three-bead-ring structural design, the bead ring adopts three upper, middle and lower bead-ring, the inner side adopts bead wire wrapping cloth, the outer side adopts a structure that the bead wire wrapping cloth wraps the carcass ply with two layers of fiber reinforced materials, filling glue and filling glue, and the load-resisting performance of the tire bead part is improved by innovatively designing the structural form and the material distribution of the tire bead part. By applying the three bead rings and special type glue, the anti-shape of the tire body is changed, the deformation resistance of the tire bead position is improved, the damage of stress concentration of the tire body anti-wrapping end point to the tire bead is eliminated, and the anti-tire body back-drawing performance is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
fig. 2 is a schematic diagram of the overall structure of the present utility model.
In the figure: 1. a lining; 2. carcass ply; 3. hard triangular glue; 4. wrapping the steel wires at the seam allowance; 5. filling glue; 6. a main bead ring; 7. filling type glue; 8. a first auxiliary bead ring; 9. wear-resistant glue; 10. a seam allowance reinforcement material; 11. a sidewall rubber; 12. soft triangular glue; 13. and a second auxiliary bead ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 and 2, a radial tire bead structure comprises a liner 1, wherein a carcass ply 2 is arranged on the inner side of the liner 1, a hard apex 3 is arranged on the inner side of the carcass ply 2, a bead wire wrap 4 is arranged on the carcass ply 2, a filler 5 is arranged on the inner side of the carcass ply 2, the filler 5 is arranged between a main bead wire 6 and the inner side and the turn-up part of the carcass, the inner side is sequentially wrapped by the carcass ply 2, the main bead wire 6 and the turn-up part of the carcass from inside to outside, the connection strength between the main bead wire 6 and the carcass can be enhanced by designing the filler 5, the filler 5 is arranged between the outer edge of the main bead wire 6 and the outer edge of an auxiliary bead wire, and between the filler 5 and the outer edge of a second auxiliary bead wire 13, and an internal gap can be filled by designing the filler 5.
Referring to fig. 1 and 2, a main bead ring 6 is arranged on a filling rubber 5, a first auxiliary bead ring 8 is arranged on a bead wire wrapping cloth 4, a second auxiliary bead ring 13 is arranged on the bead wire wrapping cloth 4, the second auxiliary bead ring 13 is arranged on a hard triangular rubber 3, a filling rubber 7 is arranged on the first auxiliary bead ring 8, the filling rubber 7 is positioned between a bead reinforcing material 10 and a soft triangular rubber 12 as well as between the reverse wrapping positions of a carcass, and is wrapped by the bead reinforcing material 10, the soft triangular rubber 12 and the carcass from outside to inside in sequence, and gaps between the bead reinforcing material 10 and the reverse wrapping positions of the soft triangular rubber 12 and the carcass can be filled by designing the filling rubber 7.
Referring to fig. 1 and 2, the filling type rubber 7 is disposed on the bead wire wrapping cloth 4, the wear-resistant rubber 9 is disposed on the liner 1, the bead reinforcing material 10 is disposed on the bead wire wrapping cloth 4, the sidewall rubber 11 is disposed on the liner 1, the soft delta rubber 12 is disposed on the carcass ply 2, the carcass is disposed between the bead wire wrapping cloth 4, the main bead wire 6, the first auxiliary bead wire 8, the second auxiliary bead wire 13, the filling type rubber 5 and the filling type rubber 7, the reverse wrapping part passes through the main bead wire 6 and the first auxiliary bead wire 8 and is wrapped by the main bead wire 6, the first auxiliary bead wire 8, the filling type rubber 5 and the filling type rubber 7 together, the carcass strength can be improved by designing the main bead wire 6 and the first auxiliary bead wire 8, the end point part of the bead wire wrapping cloth 4 passes through the main bead wire 6 and the second auxiliary bead wire 13 and is jointly wrapped by the first auxiliary bead wire 8, the second bead wire 13 and the filling type rubber 5 and is interposed between the two, and the internal structural strength can be enhanced by designing the bead wire wrapping cloth 4.
The specific implementation process of the utility model is as follows: the first auxiliary bead ring 8 and the second auxiliary bead ring 13 are added, and a special carcass turn-up mode is formed by adding the main bead ring 6, the filling rubber 5 and the filling rubber 7; after the main bead ring 6, the first auxiliary bead ring 8 and the second auxiliary bead ring 13 are molded, winding by using a reinforcing material or winding without using a reinforcing material, wherein the main bead ring 6 is made of a high-strength annealed steel wire, the radial rigidity requirement is high, the gap between the upper bead ring and the lower bead ring is determined by the thickness of a carcass and the shape requirement of the filling glue 7 of the filling glue 5, and the reverse wrapping of the carcass is 5-25mm higher than the upper part of the first auxiliary bead ring 8; the filling rubber 5 is arranged between the main bead ring 6 and the inner side of the tire body and the reverse wrapping part, and is sequentially wrapped by the tire body cord fabric 2, the main bead ring 6 and the tire body reverse wrapping part from inside to outside; the height of the filling glue 5 is between the outer edge of the main bead ring 6 and the outer edge of the first auxiliary bead ring 8; the filling glue 5 is a glue material with high modulus and strong permanent deformation resistance, and the design angle is 30-50 degrees, preferably 35 degrees; the filling type glue 7 is positioned between the seam allowance reinforcement material 10 and the reverse wrapping part of the soft triangular glue 12 and the carcass, and is wrapped by the seam allowance reinforcement material 10, the soft triangular glue 12 and the carcass in sequence from outside to inside, wherein the part material adopts glue materials with low heat generation and strong tear resistance, has extremely strong adhesive property, and the design angle is 100-135 degrees; the outer side of the tire bead adopts a bead wire wrapping cloth 4 to wrap the tire body cord fabric 2, the upper end point of the bead wire wrapping cloth 4 is 20-40mm away from the upper end point of the first auxiliary bead ring 8, the upper end of the bead wire wrapping cloth 4 adopts a bead reinforcing material 10, and the angle of the bead reinforcing material 10 is 30-50 degrees.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Radial tyre bead structure comprising an inner liner (1), characterized in that: the inside of inside lining (1) is provided with matrix cord fabric (2), the inside of matrix cord fabric (2) is provided with hard triangular glue (3), be provided with bead wire cloth (4) on matrix cord fabric (2), the inside of having matrix cord fabric (2) is provided with filler (5), be provided with main bead wire (6) on filler (5), be provided with first supplementary bead wire (8) on bead wire cloth (4), be provided with second supplementary bead wire (13) on bead wire cloth (4), second supplementary bead wire (13) set up on hard triangular glue (3), be provided with filler (7) on first supplementary bead wire (8), filler (7) set up on bead wire cloth (4), be provided with wear-resisting glue (9) on inside lining (1), be provided with bead reinforcement material (10) on bead wire cloth (4), be provided with second supplementary bead wire (13) on bead wire cloth (4), be provided with tire side (12) on carcass triangular glue (12).
2. A radial tire bead structure according to claim 1, wherein: the filling rubber (5) is arranged between the main bead ring (6) and the inner side of the tire body and the reverse wrapping part, and is sequentially wrapped by the tire body cord fabric (2), the main bead ring (6) and the tire body reverse wrapping part from inside to outside.
3. A radial tire bead structure according to claim 1, wherein: the height of the filling glue (5) is between the outer edge of the main bead ring (6) and the outer edge of the first auxiliary bead ring (8) and the outer edge of the second auxiliary bead ring (13).
4. A radial tire bead structure according to claim 1, wherein: the filling type rubber (7) is positioned between the seam allowance reinforcing material (10) and the soft triangular rubber (12) and the reverse wrapping part of the tire body, and is wrapped by the seam allowance reinforcing material (10), the soft triangular rubber (12) and the tire body from outside to inside.
5. A radial tire bead structure according to claim 1, wherein: the tire body is located between the bead wire wrapping cloth (4), the main bead wire ring (6), the first auxiliary bead wire ring (8), the second auxiliary bead wire ring (13), the filling rubber (5) and the filling rubber (7), and the reverse wrapping part passes through the main bead wire ring (6) and the first auxiliary bead wire ring (8) and is arranged between the main bead wire ring and the first auxiliary bead wire ring, and is jointly wrapped by the main bead wire ring (6), the first auxiliary bead wire ring (8), the filling rubber (5) and the filling rubber (7).
6. A radial tire bead structure according to claim 1, wherein: the end point of the bead wire wrapping cloth (4) passes through the main bead ring (6) and the second auxiliary bead ring (13) and is arranged between the main bead ring and the second auxiliary bead ring, and is jointly wrapped by the auxiliary bead ring (8), the second auxiliary bead ring (13) and the filling glue (5) filling glue (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321921436.5U CN220483009U (en) | 2023-07-20 | 2023-07-20 | Radial tire bead structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321921436.5U CN220483009U (en) | 2023-07-20 | 2023-07-20 | Radial tire bead structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220483009U true CN220483009U (en) | 2024-02-13 |
Family
ID=89836999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321921436.5U Active CN220483009U (en) | 2023-07-20 | 2023-07-20 | Radial tire bead structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220483009U (en) |
-
2023
- 2023-07-20 CN CN202321921436.5U patent/CN220483009U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |