CN221250384U - Tyre for improving pressure of tyre bead - Google Patents
Tyre for improving pressure of tyre bead Download PDFInfo
- Publication number
- CN221250384U CN221250384U CN202322739169.6U CN202322739169U CN221250384U CN 221250384 U CN221250384 U CN 221250384U CN 202322739169 U CN202322739169 U CN 202322739169U CN 221250384 U CN221250384 U CN 221250384U
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- Prior art keywords
- bead
- rim
- tire
- edge
- angle
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Links
- 239000011324 bead Substances 0.000 title claims abstract description 116
- 238000004073 vulcanization Methods 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Tires In General (AREA)
Abstract
The invention relates to the technical field of tires, and discloses a tire for improving tire bead pressure, which comprises a rim and a tire bead, wherein the rim and the tire bead are relatively matched with each other in a circumferential mechanism, the tire is formed by matching the rim and the tire bead, the contact position of the hub and the tire bead is specifically the contact position of the tire bead and the rim, an angle A is formed between the tire bead and the contact position, the angle B is formed between the tire bead and the tire bead by reducing the angle of a lower sidewall arc, and the contact between the tire bead and the lower sidewall arc is increased compared with the existing tire, so that the contact total area of the tire bead and the tire bead is increased, the stress concentration between the tire bead is reduced, and the problem of damage to the tire is solved.
Description
Technical Field
The invention relates to the technical field of tires, in particular to a tire for improving tire lip pressure.
Background
The bead of an all-steel truck radial tire is a very critical location where it is in direct contact and engagement with the rim, and is subject to the internal pressure stresses of the tire and additional stresses under load, particularly where a strong rim match, air-tight retention, and a more stable pressure profile are required during load lifting and pressure build-up.
The traditional design scheme of the tire bead of the radial truck tire has the advantages that the contact area of the tire bead and the rim is small, the angle difference between the tire bead and the rim is large, and the tire bead is matched with the rim under the working conditions of high air pressure and high load to easily cause stress concentration and early damage.
Disclosure of utility model
In some embodiments of the present application, in order to solve the above-mentioned technical problems, a tire for improving the bead pressure is provided, the tire includes a rim and a bead, the rim and the bead are relatively matched circumferential mechanisms, the tire is formed by matching the rim and the bead, the contact position of the hub and the bead is specifically that the bead and the rim contact with each other, an angle A is formed between the bead and the contact surface, the angle of a lower sidewall arc is reduced, the lower sidewall arc is contacted with the rim, and an angle B is formed between the lower sidewall arc and the rim edge.
In some embodiments of the present application, a tire is disclosed for improving bead pressure, comprising: a rim and a bead assembled to constitute the tire; the rim is of a circumferential structure, the radial section of the hub comprises a hub edge, and the hub edge sequentially comprises a hub inner edge, a hub surface and a rim edge from inside to outside; the tire bead is of a circumferential structure with an inward opening, the radial section of the tire bead comprises a tire bead edge, and the tire bead edge is sequentially a tire toe edge, a tire bead and a lower tire sidewall arc from the edge of the opening; when the assembly of the rim and the bead is completed, the bead and the rim contact surface contact, and an angle A is formed between the bead and the rim contact surface; the lower sidewall arc is in contact with the rim edge, and an angle B is formed between the lower sidewall arc and the rim edge.
In some embodiments of the application, a rim footprint and a point chamfer are provided at an angle between the contoured footprint and rim edge and the rim edge, and a bead footprint and a point chamfer are provided at an angle between the bead and the lower sidewall arc.
In some embodiments of the application, the contact length of the lower sidewall arc and the rim edge is L, and L is 10 mm.ltoreq.L.ltoreq.40 mm.
In some embodiments of the application, the angle a ranges from: a is more than 0 DEG and less than 10 deg.
In some embodiments of the application, the bead is integrally vulcanization molded, and a sealed rubber bladder is enclosed between the rim and the bead.
In some embodiments of the application, the bead interior comprises a carcass wire portion and a bead wire portion, the bead wire portion being disposed within the bead interior, the carcass wire portion and the bead wire portion being welded together.
The invention has the beneficial effects that:
The radius of the lower sidewall arc is reduced, so that the lower sidewall arc is contacted with the rim edge and forms an angle, the contact area of the tire bead and the rim is increased, and the force born by the unit area is smaller; further, the angle A between the bead and the rim is reduced by reducing the radius of the bead and the point chamfer, so that the bead and the rim are stressed more uniformly, and the purposes of reducing stress concentration and prolonging the service life of the tire and the rim are achieved; in addition, the integrated vulcanization molding air bag tire is provided with the welded carcass steel wire part and the bead steel wire part, so that the rigidity of the bead part is increased, the damage of the bead is reduced, and the service life of the tire is prolonged.
Drawings
FIG. 1 is a block diagram of the prior art;
FIG. 2 is an assembly view of a rim and bead in some embodiments of the invention;
FIG. 3 is a block diagram of a rim in some embodiments of the invention;
Fig. 4 is a block diagram of a bead in some embodiments of the invention.
Reference numerals:
Comprising the following steps: 100. a rim; 110. an inner rim of the hub; 120. hub facing and kneading; 130. a rim edge; 140. hub chamfering; 200. a bead; 210. toe edges of the tires; 220. a bead; 230. a lower sidewall arc; 240. bead and spot chamfering.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, in some embodiments of the present application, a tire includes a rim 100 and a bead 200, the rim 100 being an externally open circumferential structure, the bead 200 being an internally open circumferential structure, the openings at the rim 100 and bead 200 being mutually assembled to form the tire.
As shown in fig. 3, the radial cross section of the hub is the same diameter, the upper and lower edges of the rim 100, one of which is the inner edge of the rim 100, the rim 100 faces and the rim edge 130 from inside to outside, wherein the rim 100 faces and faces are inclined planes, and the diameter of the inner edge of the rim 100 is smaller than that of the rim edge 130, so that the inner portion of the rim 100 connecting the inner edge of the rim 100 and the rim edge 130 faces is lower and the outer portion is higher.
As shown in fig. 4, the bead 200 has an inward opening circumferential structure, and the radial cross section of the bead 200 is the same diameter, and the upper and lower bead 200 edges of the bead 200, the bead 200 edges, starting from the edge of the opening, are a bead rim 210, a bead 220 and a lower sidewall arc 230.
In the conventional tire, when the rim 100 and the bead 200 are assembled, the bead 220 contacts the rim 100 on the contact surface, and an angle a is formed between the bead 220 and the rim 100 on the contact surface, and the lower sidewall arc 230 is directed outward along the turned rim edge 130, thereby achieving the assembly.
In some embodiments of the present application, as shown in FIG. 2, by reducing the radius of the lower sidewall arc 230, the lower sidewall arc 230 is brought into contact with the rim edge 130, and an angle B is formed between the lower sidewall arc 230 and the rim edge 130, such that the lower sidewall arc 230 and the rim edge 130 are brought into contact with each other, and the specific angle B is formed by the bead 200 and the point and the rim 100 and the point being the included angle, and is formed by the lower sidewall arc 230 and the rim edge 130.
By reducing the radius of the lower sidewall arc 230, the contact area between the lower sidewall arc 230 and the rim edge 130 is increased, and the stress per unit area on the bead 220 is reduced under the condition that the stress of the bead 220 is unchanged, thereby achieving the purpose of prolonging the service life of the tire and improving the quality of the tire.
In some embodiments of the application, the contact length of the lower sidewall arc 230 and the rim edge 130 is L, and 10 mm.ltoreq.L.ltoreq.40 mm.
In some embodiments of the application, rim 100 footprint and point are provided at the angle between rim footprint 120 and rim edge 130, rim footprint and point chamfer 140 is provided at the rim 100 footprint and point, bead 200 footprint and point is provided at the angle between bead 220 and lower sidewall arc 230, bead footprint and point chamfer 240 is provided at the bead 200 footprint and point chamfer 140 and bead footprint and point chamfer 240 are in abutment when rim 100 and bead 200 are assembled.
Therefore, by reducing the radius of bead footprint and spot chamfer 240 to reduce the value of angle A, the tire bead 220 and rim 100 are more uniformly stressed for the purpose of reducing stress concentrations and improving the useful life of the tire and rim 100.
In some embodiments of the application, the range of angle a is: a is more than 0 DEG and less than 10 deg.
In some embodiments of the present application, the bead 200 is integrally vulcanization molded, and a sealed rubber bladder is enclosed between the rim 100 and the bead 200 to form an overall bead 200 profile, improving the overall rigidity and load bearing durability of the bead 200.
In some embodiments of the present application, the bead 220 is embedded with a bead 220 wire part, the tire bead 200 is embedded with a carcass wire part, the carcass wire part is welded with the bead 220 wire part, after the vulcanization of the rubber compound used for producing the tire bead 200 is completed, the rubber compound is tightly attached to the carcass wire part and the bead 220 wire part to form the tire bead 200, the bead 220 wire part increases the structural strength of the bead 220 bearing pressure, ensures that the bead 220 has sufficient strength and elasticity, is subjected to strong vibration and impact, and can ensure multiple deformations caused by radial, lateral and circumferential forces acting on the bead 220 during tire running.
Those of ordinary skill in the art will appreciate that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A tire for improving bead pressure comprising:
A rim and a bead assembled to constitute the tire;
The wheel rim is of a circumferential structure, the radial section of the wheel hub comprises a wheel hub edge, the wheel hub edge is a wheel hub inner edge, a wheel hub surface and a wheel rim edge from inside to outside in sequence;
The tire bead is of a circumferential structure with an inward opening, the radial section of the tire bead comprises a tire bead edge, and the tire bead edge is sequentially a tire toe edge, a tire bead and a lower tire sidewall arc from the edge of the opening;
When the assembly of the rim and the bead is completed, the bead and the rim contact surface and an angle A is formed between the bead and the rim contact surface, the lower sidewall arc and the rim edge contact, and an angle B is formed between the lower sidewall arc and the rim edge.
2. The tire of claim 1 wherein a rim footprint and a point chamfer is provided at an angle between said rim footprint and said rim edge, and a bead footprint and a point chamfer is provided at an angle between said bead and said lower sidewall arc.
3. The tire of claim 1 wherein the contact length of said lower sidewall arc and said rim edge is L and 10mm +.l +.40 mm.
4. The tire of claim 1 wherein said angle a is in the range of: a is more than 0 DEG and less than 10 deg.
5. The tire of claim 1 wherein said bead is integrally vulcanization molded, said rim and bead enclosing a sealed rubber bladder therebetween.
6. A tyre according to claim 1, wherein said bead interior comprises a carcass wire portion and a bead wire portion, said bead wire portion being disposed inside said bead, said carcass wire portion and said bead wire portion being welded together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322739169.6U CN221250384U (en) | 2023-10-12 | 2023-10-12 | Tyre for improving pressure of tyre bead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322739169.6U CN221250384U (en) | 2023-10-12 | 2023-10-12 | Tyre for improving pressure of tyre bead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221250384U true CN221250384U (en) | 2024-07-02 |
Family
ID=91658601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322739169.6U Active CN221250384U (en) | 2023-10-12 | 2023-10-12 | Tyre for improving pressure of tyre bead |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221250384U (en) |
-
2023
- 2023-10-12 CN CN202322739169.6U patent/CN221250384U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |