CN214874035U - Block-shaped pattern block of tire - Google Patents
Block-shaped pattern block of tire Download PDFInfo
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- CN214874035U CN214874035U CN202022475519.9U CN202022475519U CN214874035U CN 214874035 U CN214874035 U CN 214874035U CN 202022475519 U CN202022475519 U CN 202022475519U CN 214874035 U CN214874035 U CN 214874035U
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- annular bulge
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Abstract
The utility model provides a cubic decorative pattern piece of tire, decorative pattern piece surface are the curved surface of unevenness, and the peripheral border of decorative pattern piece is inboard lower than the peripheral border of decorative pattern piece. Effectively relieve the side accumulation effect of the pattern block with the traditional structure and the uneven distribution state of the grounding pressure/stress caused by the side accumulation effect, thereby prolonging the service life of the tire.
Description
Technical Field
The utility model relates to a tire especially relates to a cubic decorative pattern piece of tire.
Background
As shown in FIG. 3, in a conventional block structure, the block surface is cut on a crown curve of a tire, and the crown curve is formed by rotating one or more curves around the axis of the tire. Therefore, the surface of the common pattern block is represented by a flat curved surface, and the edge part is mostly a sharp edge which is approximate to a right angle.
According to the pattern block structure, under the grounding compression state, the pattern block is subjected to radial and lateral compression force, the pattern block is extruded and deformed, due to the incompressibility of rubber materials, the rubber of the pattern block can generate transverse expansion, the rubber expands towards the edge of the pattern block, and the sharp edge at the edge of the pattern block cuts into the ground to cause the expansion resistance, so that the rubber materials are accumulated at the edge of the pattern block, and the grounding pressure and stress concentration are formed at the edge of the pattern block; meanwhile, materials at the edges of the pattern blocks are accumulated, so that the grounding stress of the central area of the pattern blocks is reduced indirectly; in the non-ground-contact central zone, the blocks are simultaneously deformed by lateral compression, and in these zones, the surface stresses of the blocks become extremely uneven under the influence of complex forces. By means of finite element simulation means, the uneven stress distribution state caused by the fact that the rubber materials of the pattern blocks are accumulated on the edge and the pattern blocks are influenced by complex acting force can be visually seen, so that uneven abrasion of the pattern blocks is caused, and the uneven abrasion is particularly represented by rapid abrasion and serious cutting of the edge of the pattern blocks and deformed abrasion of the pattern blocks, and the service life and the appearance of the whole tire are seriously influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a cubic decorative pattern piece of tire effectively alleviates the decorative pattern piece limit portion of traditional structure and piles up effect and the ground pressure stress uneven distribution state that causes from this to improve tire life.
The purpose of the utility model is realized with the following mode: a block pattern block of a tire, the surface of the pattern block is a curved surface which is not flat, and the peripheral edge of the pattern block is lower than the inner side of the peripheral edge of the pattern block.
At least one circle of annular bulge is arranged on the block-shaped pattern block of the tire, and the annular bulge enables the peripheral edge of the pattern block to be lower than the inner side of the peripheral edge of the pattern block.
An annular bulge is arranged between the central point of the pattern block and the edge of the periphery of the pattern block, and the central point of the pattern block is positioned inside the annular bulge.
The inner and outer contour lines of the annular bulge are respectively parallel to the outer contour line of the whole pattern block where the annular bulge is located.
A circle of annular bulge is arranged between the central point of the pattern block and the edge of the periphery of the pattern block, and the central point of the pattern block is positioned inside the annular bulge.
At least two rings of annular bulges are arranged between the central point of the pattern block and the peripheral edge of the pattern block, and the central point of the pattern block is positioned in the annular bulges.
Along the normal direction of the surface of the tire pattern, the position of the highest point of the annular bulge is 0.5-3 mm larger than the central point of the pattern block.
Along the normal direction of the surface of the tire pattern, the position of the highest point of the annular bulge is 0.5-3 mm higher than the peripheral edge of the pattern block.
The annular bulge is smoothly connected with the central point of the pattern block and the peripheral edge of the pattern block through smooth curved surfaces respectively.
The annular bulge is located in 1/2-3/4 areas of the distance from the center point of the pattern block to the edge of the pattern block.
The utility model provides a cubic decorative pattern piece of tire, decorative pattern piece surface are the curved surface of unevenness, and the peripheral border of decorative pattern piece is lower than the peripheral inboard of decorative pattern piece to the peripheral inboard position of decorative pattern piece is ground connection earlier, and limit portion is not ground connection yet, thereby has the space of lateral expansion, can effectively alleviate limit portion and pile up the effect.
A circle of annular bulge is arranged between the central point of the pattern block and the peripheral edge of the pattern block, the central point of the pattern block is positioned in the annular bulge, and by means of the bionics principle, the surface of the pattern block is concave inwards and a circle of annular bulge is arranged outwards according to the structure of an animal foot/palm, such as a human foot/palm and a elephant sole. When the structure is grounded and pressed, the annular bulge is firstly grounded, the peripheral edge of the pattern block and the central point of the pattern block are not grounded at the moment, a space is reserved for the transverse expansion of rubber, the annular bulge generates transverse expansion when being pressed, not only can the concave area inside the annular bulge be filled, but also the concave area outside the annular bulge can be filled, the edge accumulation effect of the pattern block of the traditional structure and the ground pressure/stress uneven distribution state caused by the edge accumulation effect can be effectively relieved, and therefore the service life of the tire is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of the block-shaped pattern block of the present invention.
Figure 2 is a schematic side profile view of the block of figure 1.
Fig. 3 is a schematic structural view of a conventional block in the prior art.
Detailed Description
The present invention will be described in detail with reference to the following embodiments, it should be noted that the embodiments are only used for further illustration of the present invention, and should not be construed as limiting the scope of the present invention, and those skilled in the art can make many insubstantial modifications and adaptations in accordance with the present invention.
As shown in FIGS. 1 and 2, a block of a tire has a block surface which is an uneven curved surface and a block peripheral edge 3 which is lower than the inside of the block peripheral edge. The pattern block peripheral edge 3 is lower than the inner side of the pattern block peripheral edge, so that the inner side part of the pattern block peripheral edge is firstly grounded, and the pattern block peripheral edge 3 is not grounded, so that a transverse expansion space is provided, the pattern block edge accumulation effect of the traditional structure and the ground pressure/stress uneven distribution state caused by the accumulation effect can be effectively relieved, and the service life of the tire is prolonged.
At least one circle of annular protrusion 2 is provided on the block-shaped block of the tire, and the annular protrusion 2 makes the block peripheral edge 3 lower than the inner side of the block peripheral edge.
The central point of the block-shaped pattern block is called pattern block central point 1 for short. The center point of the block here is the center of gravity of the planar pattern of the block as shown in fig. 1.
Be equipped with annular arch 2 between decorative pattern piece central point 1 and the decorative pattern piece peripheral border 3, decorative pattern piece central point 1 is located annular arch 2's inside, thereby the decorative pattern piece is when ground connection pressurized, annular arch 2 ground connection earlier, annular arch 2 inside and annular arch 2 outside have not ground connection this moment, the lateral expansion who gives rubber reserves the space, annular arch 2 pressurized produces lateral expansion, both can fill the depressed area that is lower than annular arch 2 to annular arch 2 inside, also can fill the area that is lower than annular arch 2 to annular arch 2 outside, can effectively alleviate the decorative pattern piece limit of traditional structure and pile up the effect and the ground connection pressure/stress uneven distribution state that causes from this, thereby improve tire life.
The block center point 1 may not be located inside the annular protrusion 2.
A circle of annular bulge 2 is arranged between the pattern block central point 1 and the pattern block peripheral edge 3, and the pattern block central point 1 is positioned inside the annular bulge 2. By means of bionics principle, referring to animal foot/palm structure, such as human foot/palm, elephant sole, etc., the surface is shown as an inner concave and a ring of annular bulge is arranged outwards. When the structure is grounded and pressed, the annular bulge 2 is firstly grounded, the peripheral edge 3 of the pattern block, the central point 1 of the pattern block and the adjacent areas of the pattern block are not grounded at the moment, a space is reserved for the lateral expansion of rubber, the annular bulge 2 is pressed to generate the lateral expansion, not only can the concave area inside the annular bulge 2 be filled, but also the area lower than the annular bulge 2 outside the annular bulge 2 can be filled, the edge accumulation effect of the pattern block of the traditional structure and the ground pressure/stress uneven distribution state caused by the edge accumulation effect can be effectively relieved, and the service life of the tire is prolonged.
The surface design of this application decorative pattern piece is for increasing annular arch 2 on current ordinary decorative pattern design basis.
2 circles of annular bulges 2, 3 circles of annular bulges 2, 4 circles of annular bulges 2, 5 circles of annular bulges 2 or more than 5 circles of annular bulges 2 can be arranged between the pattern block central point 1 and the pattern block peripheral edge 3, and the pattern block central point 1 is positioned inside the annular bulges 2.
The annular bulge 2 can be a circular bulge, an elliptical bulge, a square bulge, an irregular bulge or a bulge formed by two circles of irregular curves.
Along the normal direction of the surface of the tire pattern, the position of the highest point of the annular bulge is 0.5-3 mm higher than the central point 1 of the pattern block.
Along the normal direction of the surface of the tire pattern, the highest point position of the annular bulge is 0.5-3 mm higher than the peripheral edge 3 of the pattern block, so that the tire pattern is uniformly worn integrally.
The annular bulge 2 is smoothly connected with the pattern block central point 1 and the pattern block peripheral edge 3 through smooth curved surfaces, so that the surface integrity of the pattern is enhanced, and the processing difficulty of a mold is reduced. The curved surface here includes a special curved surface — a flat surface.
The annular bulge 2 is positioned in an 1/2-3/4 area of the distance from the pattern block central point 1 to the pattern block peripheral edge 3, and the pattern surface stress distribution of the tire in the ground contact process can be fully reduced. For example, the annular bulge 2 can completely occupy 1/2-3/4 areas of the distance from the block center point 7 to the block peripheral edge 3, 1/2-2/7 areas of the distance from the block center point 7 to the block peripheral edge 3, and 3/8-9/14 areas of the distance from the block center point 7 to the block peripheral edge 3.
And (3) experimental verification:
under the same inflation pressure, the same load state (800 kPa inflation pressure, 63000kg load), compare the utility model provides a pattern block structure and ordinary pattern block structure's stress, the pattern block of this application is different with ordinary pattern block except that pattern block upper surface structure, other all the same.
As shown in the schematic diagram of FIG. 3, the surface of the conventional block is a flat curved surface.
As shown in the schematic diagram of FIG. 1, the surface structure of the pattern block of the present invention is: a circle of annular bulge 2 is arranged between the pattern block central point 1 and the pattern block peripheral edge 3, wherein the width of the annular bulge 2 is the same, and the inner and outer contour lines of the annular bulge 2 are respectively parallel to the outer contour line of the whole pattern block where the annular bulge is located, namely the pattern block peripheral edge 3. The annular bulge 2 is provided with an equal-height surface 4 with equal width at the center in the width direction, and the equal-height surface 4 is also annular; the inner side of the equal-height surface 4 is connected with an inner contour line 7 which is smoothly connected with the annular bulge 2 through an inner smooth transition curved surface 5 which is as wide as the equal-height surface 4, the inner side of the equal-height surface 4 is smoothly connected with an outer contour line 8 of the annular bulge 2 through an outer smooth transition curved surface 6 which is as wide as the equal-height surface 4, a pattern block central area 9 is formed inside the annular bulge 2, the pattern block central area 9 is as high as the same height, the outer contour line of the annular bulge 2 is overlapped with the pattern block peripheral edge 3, namely, the annular bulge 2 comprises the inner smooth transition curved surface 5, the equal-height surface 4 and the outer smooth transition curved surface 6.
The block central region 9 of the present application is the same as the arrangement in a normal block, i.e. without modification. As shown in the schematic diagram of fig. 2, the equal-height surface 4 has a width of 25mm, and the equal-height surface 4 is smoothly connected with the block central region 9 and the block peripheral edge 3 through a smooth curved surface, namely an inner smooth transition curved surface 5 and an outer smooth transition curved surface 6, which have the same width as the equal-height surface 4. The height of the equal height surface 4 is 1.5mm higher than the height of the pattern block central area 9 along the normal direction of the tire pattern surface, and the height of the equal height surface 4 is 2.0mm higher than the height of the pattern block peripheral edge 3 along the normal direction of the tire pattern surface. The area of the block center region 9 is 11260mm2The area of the inner smooth transition curved surface 5 is 12737mm2The area of the equal height surface 4 is 17356mm2The area of the external smooth transition curved surface 6 is 21601mm2。
Through the emulation technique, obtain ground connection surface stress distribution map, under the same sign yardstick, compare with ordinary decorative block, the utility model discloses a decorative block structure surface stress distribution is more even, and limit portion stress concentration effect obviously improves.
As a result: under the same inflation pressure, the same load state, compare in ordinary decorative pattern piece structure, decorative pattern piece structure surface maximum ground connection stress reduce 50%, the utility model discloses a decorative pattern piece structure compare in prior art ordinary decorative pattern piece design can make decorative pattern piece ground connection maximum pressure reduce 25%, can effectively alleviate decorative pattern piece deformity wearing and tearing and decorative pattern piece border cut, the quick wearing and tearing problem that appear in the tire use to promote tire life.
The foregoing is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and it should be noted that, for those skilled in the art and those familiar with the technical field, the technical solution and the utility model concept of the present invention are equally replaced or changed, and several changes and improvements are made without departing from the overall concept of the present invention, and these should also be regarded as the scope of protection of the present invention.
Claims (10)
1. A block-shaped pattern block of a tire is characterized in that: the surface of the pattern block is an uneven curved surface, and the peripheral edge of the pattern block is lower than the inner side of the peripheral edge of the pattern block.
2. The block of a tire according to claim 1, wherein: at least one circle of annular bulge is arranged on the block-shaped pattern block of the tire, and the annular bulge enables the peripheral edge of the pattern block to be lower than the inner side of the peripheral edge of the pattern block.
3. The block of a tire according to claim 2, wherein: an annular bulge is arranged between the central point of the pattern block and the edge of the periphery of the pattern block, and the central point of the pattern block is positioned inside the annular bulge.
4. The block of a tire according to claim 3, wherein: the inner and outer contour lines of the annular bulge are respectively parallel to the outer contour line of the whole pattern block where the annular bulge is located.
5. The block of a tire according to claim 3, wherein: a circle of annular bulge is arranged between the central point of the pattern block and the edge of the periphery of the pattern block, and the central point of the pattern block is positioned inside the annular bulge.
6. The block of a tire according to claim 3, wherein: at least two rings of annular bulges are arranged between the central point of the pattern block and the peripheral edge of the pattern block, and the central point of the pattern block is positioned in the annular bulges.
7. The block of a tire according to any one of claims 2 to 6, wherein: along the normal direction of the surface of the tire pattern, the position of the highest point of the annular bulge is 0.5-3 mm larger than the central point of the pattern block.
8. The block of a tire according to any one of claims 2 to 6, wherein: along the normal direction of the surface of the tire pattern, the position of the highest point of the annular bulge is 0.5-3 mm higher than the peripheral edge of the pattern block.
9. The block of a tire according to any one of claims 3 to 6, wherein: the annular bulge is smoothly connected with the central point of the pattern block and the peripheral edge of the pattern block through smooth curved surfaces respectively.
10. The block of a tire according to any one of claims 3 to 6, wherein: the annular bulge is located in 1/2-3/4 areas of the distance from the center point of the pattern block to the edge of the pattern block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022475519.9U CN214874035U (en) | 2020-10-31 | 2020-10-31 | Block-shaped pattern block of tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022475519.9U CN214874035U (en) | 2020-10-31 | 2020-10-31 | Block-shaped pattern block of tire |
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| Publication Number | Publication Date |
|---|---|
| CN214874035U true CN214874035U (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022475519.9U Active CN214874035U (en) | 2020-10-31 | 2020-10-31 | Block-shaped pattern block of tire |
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| CN (1) | CN214874035U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112109500A (en) * | 2020-10-31 | 2020-12-22 | 风神轮胎股份有限公司 | Block-shaped pattern block of tire |
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2020
- 2020-10-31 CN CN202022475519.9U patent/CN214874035U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112109500A (en) * | 2020-10-31 | 2020-12-22 | 风神轮胎股份有限公司 | Block-shaped pattern block of tire |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Zhiping Inventor after: Zhang Lingxin Inventor after: Zhang Wentao Inventor after: Song Chaoxing Inventor after: Wang Caihong Inventor after: Zhang Jing Inventor after: Liang Mengzhu Inventor before: Wang Zhiping Inventor before: He Yue Inventor before: Zhu Haitao Inventor before: Zhang Wentao Inventor before: Song Chaoxing Inventor before: Wang Caihong Inventor before: Zhang Jing |
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| CB03 | Change of inventor or designer information |