CN216331240U - Tire structure and tire with same - Google Patents
Tire structure and tire with same Download PDFInfo
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- CN216331240U CN216331240U CN202122526825.5U CN202122526825U CN216331240U CN 216331240 U CN216331240 U CN 216331240U CN 202122526825 U CN202122526825 U CN 202122526825U CN 216331240 U CN216331240 U CN 216331240U
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- carcass
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- balancing surface
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Abstract
The utility model provides a tire structure and a tire with the same, wherein the tire structure is arranged on a rim and comprises a central tire body, a tire bead is arranged in the central tire body, and the tire bead is arranged around the rim; an outer carcass located between the rim and the central carcass; the outer tire body is provided with a first tire body part used for being abutted against a rim, the first tire body part is provided with a first contact surface, part of the first contact surface is used for being abutted against the rim, the first contact surface is of an arc-shaped structure, and the circle center of the arc-shaped structure is located on one side, close to the rim, of the first tire body part.
Description
Technical Field
The utility model relates to the field of tires, in particular to a tire structure and a tire with the same.
Background
The ultra-large mining dump truck tire has the advantages of very harsh use conditions, large tire load, large tire sinking amount and large contact stress between the tire edge and the tire. Therefore, the tire is easily worn at the bead portion under the periodic stress. Some mines are worried about safety accidents due to the abrasion problem of the ring part, the requirements are strict, and if the problems are not processed, customer complaints can be caused, and the competitiveness of products in the market is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a tire structure and a tire with the same, so as to solve the problem that the tire of a mining dump truck in the prior art is seriously worn.
In order to achieve the above object, according to one aspect of the present invention, there is provided a tire structure mounted on a rim, the tire structure comprising: the tire bead is arranged in the central tire body and surrounds the rim; an outer carcass located between the rim and the central carcass; the outer tire body is provided with a first tire body portion used for being abutted to a rim, the first tire body portion is provided with a first contact surface, the portion of the first contact surface is used for being abutted to the rim, the first contact surface is of an arc-shaped structure, and the circle center of the arc-shaped structure is located on one side, close to the rim, of the first tire body portion.
Furthermore, the height from the rim to the bottom of the rim is H, and the height from the first carcass part to the bottom of the rim is H; wherein H is 1.2H.
Further, the circle center of the first contact surface is R; wherein R is 185 mm.
Further, the tire structure includes an inner carcass joined to an outer carcass, at least a portion of the inner carcass being located on a side of the center carcass remote from the inner carcass.
Further, the tire structure has an initial state and an inflated state; the shapes of the outer and central carcasses may be variably arranged; such that the shape of both the outer and center carcasses changes as the tire structure changes between the initial and inflated states.
Further, the outer tire body comprises a second tire body part, the second tire body part is connected with the first tire body part, one side, far away from the central tire body, of the second tire body part is provided with a first balance surface, the first balance surface is of an arc-shaped structure, and the circle center of the first balance surface is located on one side, close to the central tire body, of the first balance surface.
Further, the radius of the first balancing surface is variably set as the tyre structure is varied between the initial condition and the inflated condition, the maximum deformation of the radius of the first balancing surface in the radial direction of the first balancing surface being S; wherein the maximum value of S is 9.8 mm.
Furthermore, one side of the central tire body, which is far away from the outer tire body, is provided with a second balance surface, the second balance surface is of an arc-shaped structure, and the circle center of the second balance surface is positioned on one side of the second balance surface, which is far away from the outer tire body.
Further, the radius of the second balancing surface is variably set when the tyre structure is changed between the initial condition and the inflated condition, the maximum deformation of the radius of the second balancing surface in the radial direction of the second balancing surface being L; when S is 9.8mm, L is 11 mm.
According to another aspect of the present invention, there is provided a tire comprising a tire structure as described above.
By applying the technical scheme of the utility model, the tire structure is arranged on the rim and comprises a central tire body, a tire bead is arranged in the central tire body, and the tire bead is arranged around the rim; an outer carcass located between the rim and the central carcass; the outer tire body is provided with a first tire body portion used for being abutted to a rim, the first tire body portion is provided with a first contact surface, the portion of the first contact surface is used for being abutted to the rim, the first contact surface is of an arc-shaped structure, and the circle center of the arc-shaped structure is located on one side, close to the rim, of the first tire body portion. Adopt above-mentioned setting for the gap between the profile of tire structure and the rim increases, can increase the clearance between rim and the tire structure, reduces the contact stress of rim and tire, and simultaneously, first contact surface is the arc structure, and the centre of a circle of arc structure is located one side that first carcass portion is close to the rim, can reduce the contact probability of first carcass portion and rim, reduces the emergence probability of tire bead wearing and tearing, has solved the serious problem of tire wearing and tearing of the mining dump truck among the prior art.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 shows a schematic view of the state of an embodiment of the tire structure according to the utility model when abutted against a rim;
FIG. 2 shows a schematic structural view of the tire structure of the present invention; and
fig. 3 shows a schematic view of a partial structure of the tire of the present invention.
Wherein the figures include the following reference numerals:
10. a rim; 101. a rim;
1. a central carcass; 11. a second balance surface; 2. an outer carcass; 21. a first carcass portion; 211. a first contact surface; 22. a second carcass portion; 221. a first balance surface; 3. an inner carcass; 4. and a bead.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The tire structure of the present embodiment, mounted on a rim 10, includes: the tire bead structure comprises a central tire body 1, wherein a tire bead 4 is arranged in the central tire body 1, and the tire bead 4 is arranged around a rim 10; an outer carcass 2, the outer carcass 2 being located between the rim 10 and the central carcass 1; the outer carcass 2 has a first carcass portion 21 for abutting against the rim 10, the first carcass portion 21 has a first contact surface 211, a part of the first contact surface 211 is for abutting against the rim 10, the first contact surface 211 is an arc-shaped structure, and a center of the arc-shaped structure is located on one side of the first carcass portion 21 close to the rim 10. Adopt above-mentioned setting for the gap between the profile of tire structure and the rim increases, can increase the clearance between rim and the tire structure, reduce the contact stress of rim and tire, and simultaneously, first contact surface 211 is the arc structure, and the centre of a circle of arc structure is located one side that first carcass portion 21 is close to rim 10, can reduce the contact probability of first carcass portion 21 and rim 10, reduces the emergence probability of tire bead wearing and tearing, has solved the serious problem of tire wearing and tearing of the mining dump truck among the prior art.
In the tire structure of the present embodiment, referring to fig. 1 to 3, the height of the rim 101 of the rim 10 from the well bottom of the rim 10 is H, and the height of the first carcass portion 21 from the well bottom is H; wherein H is 1.2H.
Referring to fig. 1 to 3, in the tire structure of the present embodiment, the center of the first contact surface 211 is R; wherein R is 185 mm.
In the tire structure of the present embodiment, referring to fig. 1 to 3, the tire structure includes an inner carcass 3, the inner carcass 3 being joined to an outer carcass 2, at least a portion of the inner carcass 3 being located on a side of the center carcass 1 away from the inner carcass 3.
Referring to fig. 1 to 3, in the tire structure of the present embodiment, the tire structure has an initial state and an inflated state; the shapes of the outer carcass 2 and the central carcass 1 are variably disposed; such that the shape of both the outer carcass 2 and the central carcass 1 changes as the tire structure changes between the initial state and the inflated state.
In the tire structure of the present embodiment, referring to fig. 1 to 3, the outer carcass 2 includes the second carcass portion 22, the second carcass portion 22 is connected to the first carcass portion 21, a side of the second carcass portion 22 away from the central carcass 1 has a first balance surface 221, the first balance surface 221 is an arc-shaped structure, and a center of the first balance surface 221 is located on a side of the first balance surface 221 close to the central carcass 1.
Specifically, a rim point is provided between the first carcass portion 21 and the second carcass portion 22, and the position of the rim point is determined by: the rim height H is determined, the height H1 of the rim point being 1.2 times H.
Referring to fig. 1 to 3, in the tire structure of the present embodiment, the radius of the first balance surface 221 is variably set as the tire structure is changed between the initial state and the inflated state, and the maximum deformation amount of the radius of the first balance surface 221 in the radial direction of the first balance surface 221 is S; wherein the maximum value of S is 9.8 mm.
By adopting the arrangement, after the tire is inflated, the whole tire bead part can be pulled inwards, so that the contact stress between the rim and the tire can be reduced, and the occurrence probability of abrasion of the ring part is reduced.
In the tire structure of the present embodiment, referring to fig. 1 to 3, the side of the center carcass 1 away from the outer carcass 2 has a second balance surface 11, the second balance surface 11 has an arc-shaped structure, and the center of the second balance surface 11 is located on the side of the second balance surface 11 away from the outer carcass 2.
Referring to fig. 1 to 3, in the tire structure of the present embodiment, the radius of the second balance surface 11 is variably set as the tire structure is changed between the initial state and the inflated state, and the maximum deformation amount of the radius of the second balance surface 11 in the radial direction of the second balance surface 11 is L; when S is 9.8mm, L is 11 mm.
Specifically, the following table is an example of values of L and S:
| L/ |
3 | 5 | 7 | 9 | 11 | 13 | 15 | 17 |
| S/ |
3 | 4.8 | 6.5 | 7.9 | 9.8 | 9.7 | 9 | 8.5 |
the tire of the embodiment comprises a tire structure, and the tire structure is the tire structure.
Compared with a common tire structure, the tire structure in the application adopts a non-balanced profile design, the tire body curve can be changed, referring to fig. 1 and 3, after inflation, the curve of the tire body is changed from a solid line position to a dotted line position in the figure, the tire bead part can be integrally pulled inwards, the contact stress between a rim and the tire can be reduced, and therefore the occurrence probability of abrasion of the ring part is reduced.
Meanwhile, in the existing structure, a gap between the profile and the rim is small, a gap between the profile and the rim in the application is large, meanwhile, the design of a reverse arc is adopted below the rim point, and the existing profile has both the reverse arc and the reverse arc. The contact stress between the rim and the tire can be reduced by enlarging the gap, and the occurrence probability of bead abrasion is reduced.
By means of changing the tire body curve and improving the size of the outer contour of the ring part, the contact stress of the tire bead part can be effectively reduced, and the occurrence probability of rim abrasion is reduced.
By means of changing the tire body curve and improving the size of the outer contour of the ring part, the contact stress of the tire bead part can be effectively reduced, and the occurrence probability of rim abrasion is reduced.
The method adopts the means of changing the tire body curve and improving the outer contour size of the ring part, reduces the contact stress between the rim and the tire at the tire bead part, and further achieves the purpose of reducing the abrasion of the tire bead.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
the tire structure of the present invention is mounted on a rim 10, and includes: the tire bead structure comprises a central tire body 1, wherein a tire bead 4 is arranged in the central tire body 1, and the tire bead 4 is arranged around a rim 10; an outer carcass 2, the outer carcass 2 being located between the rim 10 and the central carcass 1; the outer carcass 2 has a first carcass portion 21 for abutting against the rim 10, the first carcass portion 21 has a first contact surface 211, a part of the first contact surface 211 is for abutting against the rim 10, the first contact surface 211 is an arc-shaped structure, and a center of the arc-shaped structure is located on one side of the first carcass portion 21 close to the rim 10. Adopt above-mentioned setting for the gap between the profile of tire structure and the rim increases, can increase the clearance between rim and the tire structure, reduce the contact stress of rim and tire, and simultaneously, first contact surface 211 is the arc structure, and the centre of a circle of arc structure is located one side that first carcass portion 21 is close to rim 10, can reduce the contact probability of first carcass portion 21 and rim 10, reduces the emergence probability of tire bead wearing and tearing, has solved the serious problem of tire wearing and tearing of the mining dump truck among the prior art.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A tire structure mounted on a rim (10), characterized in that it comprises:
a central tire body (1), wherein a tire bead (4) is arranged in the central tire body (1), and the tire bead (4) is arranged around the wheel rim (10);
an outer carcass (2), said outer carcass (2) being located between said rim (10) and said central carcass (1);
wherein the outer carcass (2) has a first carcass portion (21) for abutting against the rim (10), the first carcass portion (21) has a first contact surface (211), a portion of the first contact surface (211) is for abutting against the rim (10), the first contact surface (211) is an arc-shaped structure, and the center of the arc-shaped structure is located on one side of the first carcass portion (21) close to the rim (10).
2. A tyre structure as claimed in claim 1, characterized in that the rim (10) has a rim (101) with a height H from a well base of the rim (10), the first carcass portion (21) having a height H from the well base; wherein H is 1.2H.
3. A tyre structure as claimed in claim 1, characterized in that said first contact surface (211) has a centre R; wherein R is 185 mm.
4. A tyre structure as claimed in claim 1, characterized in that it comprises an inner carcass (3), said inner carcass (3) being associated with said outer carcass (2), at least part of said inner carcass (3) being located on the side of said central carcass (1) remote from said inner carcass (3).
5. The tire structure of claim 4, wherein the tire structure has an initial state and an inflated state; the outer carcass (2) and the central carcass (1) being variably shaped; such that the shape of both the outer carcass (2) and the central carcass (1) varies as the tyre structure varies between the initial condition and the inflated condition.
6. A tyre structure as claimed in claim 5, characterized in that said outer carcass (2) comprises a second carcass portion (22), said second carcass portion (22) being associated with said first carcass portion (21), the side of said second carcass portion (22) remote from said central carcass (1) having a first balancing surface (221), said first balancing surface (221) being of arcuate configuration, the centre of said first balancing surface (221) being located on the side of said first balancing surface (221) close to said central carcass (1).
7. A tyre structure as claimed in claim 6, characterized in that the radius of said first balancing surface (221) is variably set as said tyre structure changes between said initial condition and the inflated condition, the maximum deformation of the radius of said first balancing surface (221) in a radial direction of said first balancing surface (221) being S; wherein the maximum value of S is 9.8 mm.
8. A tyre structure as claimed in claim 7, characterized in that the side of said central carcass (1) remote from said outer carcass (2) has a second balancing surface (11), said second balancing surface (11) being of arcuate configuration, the centre of said second balancing surface (11) being located on the side of said second balancing surface (11) remote from said outer carcass (2).
9. A tyre structure as claimed in claim 8, characterized in that the radius of said second balancing surface (11) is variably set as said tyre structure is varied between said initial condition and the inflated condition, the radius of said second balancing surface (11) having a maximum deformation L in a radial direction of said second balancing surface (11); when S is 9.8mm, L is 11 mm.
10. A tyre comprising a tyre structure, characterized in that it is a tyre structure as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122526825.5U CN216331240U (en) | 2021-10-20 | 2021-10-20 | Tire structure and tire with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122526825.5U CN216331240U (en) | 2021-10-20 | 2021-10-20 | Tire structure and tire with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216331240U true CN216331240U (en) | 2022-04-19 |
Family
ID=81179139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122526825.5U Active CN216331240U (en) | 2021-10-20 | 2021-10-20 | Tire structure and tire with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216331240U (en) |
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2021
- 2021-10-20 CN CN202122526825.5U patent/CN216331240U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |