CN218750133U - Tire side wall and tire with visual impact force - Google Patents
Tire side wall and tire with visual impact force Download PDFInfo
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- CN218750133U CN218750133U CN202220825163.3U CN202220825163U CN218750133U CN 218750133 U CN218750133 U CN 218750133U CN 202220825163 U CN202220825163 U CN 202220825163U CN 218750133 U CN218750133 U CN 218750133U
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Abstract
The utility model relates to the field of tires, in particular to a tire side wall and a tire with visual impact force, wherein a mark area is arranged on the outer surface of the side wall, a marker is arranged in the mark area, the outline of the marker is realized by inwards arranging a groove with a corresponding shape on the outer surface of the side wall, a pattern filling for improving the visual impact force is arranged on the bottom of the groove, and the pattern filling is formed by arranging a plurality of pattern units; the pattern in the pattern unit is formed by orderly arranging a plurality of strip-shaped bulges with certain heights, and each strip-shaped bulge in the pattern unit is continuous and has a bending part. The utility model has the advantages that the sign vision contrast by the pattern unit cover is obvious, and the sign looks outward and shows blacker, and visual identification and impact force are stronger, have improved the overall contrast of sign, make it more outstanding.
Description
Technical Field
The utility model belongs to the technical field of the tire and specifically relates to a tire side wall and tire with visual impact force.
Background
When the automobile runs, relevant aspects of aerodynamics are involved. The air flow around the vehicle has various effects on the vehicle, and the air can generate resistance to the vehicle, consume energy of the vehicle, and also affect driving stability. Reducing air resistance is therefore an important task in vehicle development. Specifically, the air resistance is a variable, the magnitude of the air resistance is in direct proportion to the running speed of the automobile, the air resistance is larger when the automobile speed is higher, the air resistance only accounts for a small part of the total running resistance of the automobile when the automobile speed is below 30km/h, and the air resistance accounts for more than 60 percent of the total resistance when the automobile speed exceeds 80km/h and becomes the first resistance which needs to be overcome by the automobile; when the vehicle speed exceeds 120km/h, the air resistance approximately accounts for more than 80 percent of the total resistance; when the vehicle speed exceeds 160km/h, the air resistance accounts for more than 95% of the total resistance, and other resistances can be almost ignored.
However, engineers often pay attention to only the shape of the vehicle body, the bumper of the vehicle head, the engine cover, the fender, the box body of the vehicle tail, the tail wing and the like, and rarely pay attention to the wheels on the side surface of the vehicle body. The tire is one of important parts of the automobile, and bears various performances of safety, fuel economy, comfort, maneuverability, appearance matching and the like of the automobile, but the tire on the wheel also contributes to reducing air resistance. For example, in chinese patent publication No. CN104768777B, published as 20150708, a tire bead mark for reducing the pneumatic resistance is disclosed, and by appropriately providing a sector region on the sidewall and providing a mark in an appropriate sector region, the pneumatic resistance during rolling of the tire can be reduced. However, these marks protrude to the surface of the sidewall and still create air resistance when the tire is rotated at high speeds.
On the other hand, because the tires need to be added with carbon black due to special performance, the tires appearing on the market are black in whole, particularly, patterns, description fonts and regulation required parts displayed on the outer sides of the tires are not close to and difficult to see specific information, and the visual impact force is not obvious. In order to improve the visual impact, the existing solution, such as the chinese invention patent (publication No. CN108407347A, published as 20180817), provides a tire and a tire mold with a novel sidewall pattern, the side of the carcass has a marking area, and a plurality of pattern units are arranged in the marking area; the pattern unit is arranged by protruding out of the tire body and comprises a central portion and a plurality of extending portions, the extending portions are distributed on the side portion of the central portion along the circumferential direction, and the central portion is higher than the extending portions, so that the visual effect and the mechanical effect are better. However, the above-mentioned method merely sets the pattern units to protrude outward, so the visual impact force is still not obvious although it is improved to some extent.
Therefore, how to reasonably arrange the marks on the tire side to ensure that the tire side has better visual impact and can reduce partial air resistance is an urgent problem to be solved.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model discloses a first purpose provides a tire side wall with visual impact force, through set up the recess at the side wall, packs the pattern that is formed by the strip arch in the recess intussuseption for behind the pattern is penetrated to light, makes a round trip to reflect between the bellied lateral wall of strip, most light is attenuated, thereby the pattern looks darker for other positions of side wall, improves visual impact force.
For the first purpose of the utility model, the following technical scheme is adopted for implementation:
a tire sidewall with visual impact force is provided with a mark area on the outer surface of the sidewall, a mark is arranged in the mark area, the outline of the mark is realized by arranging a groove with a corresponding shape inwards on the outer surface of the sidewall, pattern filling for improving the visual impact force is arranged on the bottom of the groove, and the pattern filling is formed by arranging a plurality of pattern units; the pattern in the pattern unit is formed by orderly arranging a plurality of strip-shaped bulges with certain heights, and each strip-shaped bulge in the pattern unit is continuous and has a bent part.
Preferably, the pattern filling is formed by arranging a plurality of identical pattern units with a gap between adjacent pattern units.
Preferably, the gaps between the pattern units are equal to the intervals between the strip-shaped protrusions.
Preferably, the pattern in the pattern unit is constituted by several pattern lines.
Preferably, the pattern lines are parallel to each other, and the pattern lines are broken lines formed by connecting a plurality of straight line segments to each other.
Preferably, the pattern lines are parallel to each other, and the pattern lines are arcs formed by a plurality of minor arcs connected to each other.
Preferably, two adjacent minor arcs are centrosymmetric about the connection point.
Preferably, the pattern line includes a first symbol line and a second symbol line each parallel to each other, the first symbol line being arranged to form the first region, the second symbol line being arranged to form the second region; the first regions and the second regions are alternately arranged in both the horizontal direction and the vertical direction, thereby forming a pattern.
Preferably, the depth h1 of the groove is 0.4-0.6mm; the side wall of the groove is an inclined plane, the side wall is outwards opened from the bottom of the groove to the top of the groove, and the included angle theta 1 between the inclined plane and the plane vertical to the bottom of the groove is 10-30 degrees; a bottom fillet R is arranged between the side wall of the groove and the bottom of the groove, and the radius of the bottom fillet R is 0.1-0.2mm;
the cross section of the strip-shaped bulge is in the shape of a boss, the bottom surface of the boss is positioned at the bottom of the groove, the boss integrally extends upwards, and the average height h2 of the boss is 0.2-1mm; the average width L2 of the lug boss is 0.05-0.08mm; the average distance L1 of the bosses is 0.05-0.3mm; the angle θ 2 formed between the sidewalls of the boss and a plane perpendicular to the carcass is 5-30 °.
A second object of the present invention is to provide a tire, which has a pair of sidewalls, wherein at least one of the sidewalls is the tire sidewall mentioned above.
To sum up, the utility model has the advantages that:
1. the visual contrast of the marker covered by the pattern unit is obvious, the appearance of the marker is darker, the visual recognition and impact force are stronger, and the overall contrast of the marker is improved and is more prominent.
2. The marker is of a groove structure, and a pattern unit formed by strip-shaped bulges is arranged in the groove, so that the flow of air from the side surface of the tire is changed. When air flows through the grooves, a small turbulence or air turbulence is created on the surface of the pattern elements. Air enters and is separated through the plurality of pattern units, and the wind resistance is reduced in the separation and reattachment processes.
3. The strip-shaped bulges in the pattern units are continuous and zigzag, so that the rigidity of the bulges can be improved, stress concentration and breakage can be avoided, and the zigzag structure can buffer and disperse stress.
4. Each pattern unit is discontinuous, so that the die is convenient to clean, and the service life of the die can be prolonged.
Drawings
FIG. 1 is a schematic view of the structure of a marking located on the sidewall of a tire.
Fig. 2 is a cross-sectional view of a groove.
FIG. 3 is a schematic structural view showing the shape of a boss in a groove being an arc wedge.
Fig. 4 is a schematic structural view of the boss in the groove, which is conical in shape.
FIG. 5 is a schematic structural view of a boss in a groove, the boss having a truncated cone shape.
Fig. 6 is a schematic diagram of a pattern filling structure formed by the first pattern unit.
Fig. 7 shows a first pattern unit.
Fig. 8 is a schematic diagram of a pattern filling structure formed by the second pattern unit.
Fig. 9 shows a second pattern unit.
Fig. 10 is a schematic diagram of a pattern filling structure formed by the third pattern unit.
Fig. 11 shows a third pattern unit.
Fig. 12 is a schematic diagram of a pattern filling structure formed by the fourth pattern unit.
Fig. 13 shows a fourth pattern unit.
Fig. 14 is a schematic diagram of a pattern filling structure formed by the fifth pattern unit.
Fig. 15 shows a fifth pattern unit.
Fig. 16 is a schematic structural view of pattern filling formed by the sixth pattern unit.
Fig. 17 shows a sixth pattern unit.
Fig. 18 is a schematic diagram of a pattern filling structure formed by the seventh pattern unit.
Fig. 19 shows a seventh pattern unit.
Fig. 20 is a schematic structural view of pattern filling formed by the eighth pattern unit.
Fig. 21 shows an eighth pattern unit.
Detailed Description
As shown in FIG. 1, a tire with visual impact and reduced air resistance has a pair of sidewalls, and at least one of the sidewalls has a mark region 1 disposed on the outer surface thereof, and a marker is disposed in the mark region 1, wherein the marker may be one or more of a number, a letter, a symbol and other patterns capable of expressing information. The markers are distributed along the circumferential direction of the tire. Exemplarily, in fig. 1, the markers are: a LOGO11 in a shape of "WEST LAKE" on the upper portion, a tire pattern name 12 in a shape of "ARISUN" on the lower portion, and a plurality of pattern patterns 13 formed by triangular arrangement on the left and right sides. As is evident from fig. 1, the triangles of the pattern 13 are regularly staggered in a concave-convex manner, the so-called "concave" being realized by the groove 2, and the "convex" being the outer surface of the sidewall. It can also be seen from fig. 1 that the triangles taper from the inside to the outside.
In order to improve the visual impact of the marker, the profile of the marker is obtained by providing a correspondingly shaped groove 2 on the outer surface of the sidewall, i.e. by grooving the outer surface of the sidewall inwards. As shown in fig. 2, the depth h1 of the groove 2 is 0.4-0.6mm, preferably 0.5mm. The side walls of the groove 2 are inclined planes, which open out from the bottom of the groove to the top of the groove, and the angle theta 1 between the inclined planes and the plane perpendicular to the bottom of the groove is 10-30 degrees, preferably 20 degrees. A bottom fillet R is arranged between the side wall of the groove 2 and the bottom of the groove, and the radius of the bottom fillet R is 0.1-0.2mm.
As shown in fig. 6, a pattern filler 3 for improving visual impact is provided on the groove bottom of the groove 2, the pattern filler 3 is formed by arranging a plurality of pattern units 4 in a rectangular shape, and generally, the pattern units 4 in the pattern filler 3 are the same, but it is not excluded that the pattern units 4 are arranged by a plurality of different pattern units 4. It should be noted that each pattern unit 4 is discontinuous, specifically, discontinuous means that a gap is provided between two adjacent pattern units, so that the die cleaning is convenient, and the service life of the die can be prolonged. Each pattern unit 4 is internally provided with a plurality of strip-shaped bulges 5 which are orderly arranged and have certain height, and the strip-shaped bulges 5 are combined to form the pattern in the pattern unit. Each strip-shaped protrusion 5 is continuous and has at least one bent portion 6, and the bent portion 6 can be various angles including a right angle, an acute angle, an obtuse angle, and can also be an arc with equal curvature or variable curvature. The length of the strip-like protrusions 5 is much greater than the width, and each strip-like protrusion 5 constitutes one pattern line in the pattern unit 4.
As shown in fig. 3 to 5, the cross-sectional structure of the bar-shaped protrusion 5 is as follows: the shape is a boss 51, the bottom surface of the boss 51 is positioned at the bottom of the groove, the boss 51 integrally extends upwards, and the average height h2 of the boss 51 is 0.2-1mm, preferably 0.3-0.4mm; the average width L2 of the boss 51 is 0.05-0.08mm; the average pitch L1 of the lands 51 is 0.05-0.3mm, preferably 0.22mm, and the pitch may be fixed or variable depending on the pattern unit 4 to be described later. It should be noted that the outer dimensions of the bosses 51 are average values, that is, the bosses 51 at each position are not required to have the same outer shape, for example, in the height direction of the bosses 51, the bosses may be straight lines at the same height, or inclined lines with a certain inclination angle, or the straight lines and the inclined lines may be combined with each other. The same is true in the width direction and also in the pitch, which can be adjusted according to the actual requirements, for example different pattern elements 4 in the following.
The following effects can be achieved after the structure is adopted: through set up strip arch 5 in recess 2 for when the tire rolls, the air that is located the tire side can change flow direction, gets into in the clearance between each strip arch 5, and continuous undulation between strip arch 5, thereby produces a fritter torrent or air disturbance, and the air has reduced air resistance through the process of many times separation, adhesion, reseparation on a plurality of strip arch 5. After having set up strip arch 5 simultaneously for the visual effect of marker is more obvious, this is because light incides the marker inside back, can contact with the side of boss 51, later takes place to reflect, light after the reflection hits the lateral wall face of adjacent boss 51 again, after the reflection of so many times between each lateral wall face, light is attenuated, avoid light to be reflected the outside of marker out, make the marker seem darker, and compare under, other regions (the rest of tire sidewall body) seem bright. The appearance of the marker is darker, the visual identification and impact force are stronger, and the visual contrast of the marker and the appearance of other areas is improved, so that the marker is more prominent.
More specifically, as shown in fig. 3, 4 and 5, the outer shape of the boss 51 may be an arc wedge shape, a conical shape or a truncated cone shape, and the angle θ 2 formed between the sidewall of the boss 51 and a plane perpendicular to the carcass is 5 ° to 30 °, preferably 15 ° to 25 °. Wherein when the boss 51 is arc wedge shaped, the arc R1 of the arc wedge is preferably 10 ° to 20 °. Such a shape of the boss 51 contributes to further reduction of air resistance.
In the present application, eight different pattern units 4 are provided, and a large number of experiments prove that the eight pattern units 4 have better visual impact.
First pattern unit 41:
as shown in fig. 6 and 7, the pattern is roughly in a shape of a Chinese character hui, specifically: a plurality of mutually parallel folding lines (the folding lines are the pattern lines formed by the strip-shaped bulges 5 in the above description), and the distance X1 between two adjacent folding lines is 0.2mm. Each fold line is composed of a plurality of straight line segments which are connected with each other and have an included angle alpha 1 of 90 degrees, and two adjacent included angles are positioned on the same side of the common included angle side. As shown in fig. 7, the innermost fold line has five straight segments and the remaining fold lines have four straight segments. The pattern elements 41 are arranged in a rectangular array to obtain the pattern filling 3 of the first pattern element 41, and the spacing between adjacent pattern elements is generally equal to the distance between two adjacent fold lines, i.e. 0.2mm.
Second pattern unit 42:
as shown in fig. 8 and 9, the pattern is substantially in the shape of an inclined "M", specifically: the distance X2 between two adjacent folding lines is 0.2mm. Each fold line is formed by a plurality of straight line segments which are connected with each other and have an included angle alpha 2 of 90 degrees, and two adjacent included angles are positioned on the opposite sides of the common included angle edge. As shown in fig. 9, each of the folding lines is composed of four straight line segments, and the first and last straight line segments are respectively arranged in the transverse direction and the longitudinal direction. The pattern elements 42 are arranged in a rectangular array to obtain pattern fills 3 of the second pattern elements 42, and the spacing between adjacent pattern elements is generally equal to the distance between two adjacent fold lines, i.e. 0.2mm.
Third pattern unit 43:
as shown in fig. 10 and 11, the pattern is substantially "stepped", specifically: the distance X3 between two adjacent folding lines is 0.2mm. Each fold line is formed by a plurality of straight line segments connected with each other and having an included angle alpha 3 of 90 degrees, and two adjacent included angles are located on opposite sides of the common included angle side. As shown in fig. 11, each of the fold lines is formed by three straight line segments, the first straight line segment and the last straight line segment are arranged along the longitudinal direction, and the middle straight line segment is arranged in the transverse direction, so that a step shape is formed. The pattern elements 43 are arranged in a rectangular array to obtain the pattern filling 3 of the third pattern element 43, and the spacing between adjacent pattern elements is generally equal to the distance between two adjacent folding lines, i.e. 0.2mm.
Fourth pattern unit 44:
as shown in fig. 12 and 13, the pattern is substantially "dislocation type", specifically: the distance X4 between two adjacent folding lines is 0.2mm. Each polyline comprises four straight line segments connected to each other, extends from the upper left corner to the lower right corner, and defines these straight line segments in turn as: line segment one 441, line segment two 442, line segment three 443, and line segment four 444; the included angle α 41 between the first line segment 441 and the second line segment 442 is 110 °, the included angle α 42 between the second line segment 442 and the third line segment 443 is 115 °, the included angle α 43 between the third line segment 443 and the fourth line segment 444 is 120 °, the lengths of the first line segment 441, the second line segment 442, the third line segment 443 and the fourth line segment 444 are different, and more specifically, the length of the first line segment 441 is greater than that of the second line segment 442, and the length of the third line segment 443 is greater than that of the fourth line segment 444, so that the first line segment 441 forms two unequal V-shapes with the second line segment 442, the third line segment 443 and the fourth line segment 444. Pattern elements 44 are arranged in a rectangular array to provide pattern fill 3 of fourth pattern element 44, typically with a spacing between adjacent pattern elements equal to the distance between two adjacent fold lines, i.e. 0.2mm.
Fifth pattern unit 45:
as shown in fig. 14 and 15, the pattern is substantially "corrugated", specifically: the distance X5 between two adjacent folding lines is 0.2mm. Each broken line is formed by connecting two V-shaped lines which are distributed up and down and are arranged in a positive and negative mode, the opening angle of each V-shaped line faces to the horizontal direction, and the opening angle alpha 5 is 135 degrees. The pattern elements 45 are arranged in a rectangular array to obtain the pattern filling 3 of the fifth pattern element 45, and the spacing between adjacent pattern elements is generally equal to the distance between two adjacent fold lines, namely 0.2mm.
Sixth pattern unit 46:
as shown in fig. 16 and 17, the pattern is substantially "Z-fold line" and specifically: the distance X6 between two adjacent folding lines is 0.2mm. Each fold line is roughly a zigzag formed by three straight line segments, and the included angle alpha 6 between the adjacent straight line segments is 30 degrees. The pattern elements 46 are arranged in a rectangular array to obtain pattern filling 3 of the sixth pattern element 46, and the spacing between adjacent pattern elements is generally equal to the distance between two adjacent folding lines, i.e. 0.2mm.
Seventh pattern unit 47:
as shown in fig. 18 and 19, the pattern is substantially "wavy", in particular: and the distance X7 between two adjacent arc line sections is 0.2mm. The arc segments extend along the transverse direction, each arc segment is composed of a plurality of minor arcs with the radius r1 of 1mm, and two adjacent minor arcs are centrosymmetric about the connecting point. The pattern elements 47 are arranged in a rectangular array to obtain pattern fills 3 of the seventh pattern element 47, and the spacing between adjacent pattern elements is generally equal to the distance between two adjacent fold lines, i.e. 0.2mm.
Eighth pattern unit 48:
as shown in fig. 20 and 21, the pattern is substantially "electrodeless", and specifically: a first region composed of a plurality of first symbol lines 481 parallel to each other and having a shape of ">", and a second region composed of a plurality of second symbol lines 482 parallel to each other and having a shape of an inverted "V", the first region and the second region being alternately arranged in a horizontal direction and a vertical direction; where the angle α 81 of the first symbol line 481 is 120 ° and the angle α 82 of the second symbol line 482 is 60 °. The pitch between the first symbol lines 481 and the pitch between the second symbol lines 482 are both X8=0.2mm. The pattern elements 48 are arranged in a rectangular array to obtain pattern filling 3 of the eighth pattern element 48, and the spacing between adjacent pattern elements is generally equal to the distance between two adjacent fold lines, i.e. 0.2mm.
Through the design of above-mentioned implementation case, reach the utility model discloses the purpose: the invention relates to a sidewall design with a visual impact innovative sidewall pattern and a special fine font internal structure, which is applied to the design of a wind resistance reducing tire to achieve the effects of high visual impact and air resistance reduction, and is verified by a large number of real vehicle tire tests. Through the necessary tire experiment test, the tire with the design and the tire without the design are mounted on the same field experiment vehicle, the wind resistance of the tire running at the same speed (high speed) is compared to the ground, and the conclusion is obtained that the design can effectively reduce the wind resistance by 1-2%, so that the aerodynamic principle can be reasonably applied to the design of the tire side.
Claims (10)
1. A tire sidewall with visual impact force, a mark area (1) is arranged on the outer surface of the sidewall, and a mark is arranged in the mark area (1), and is characterized in that the outline of the mark is realized by inwards arranging a groove (2) with a corresponding shape on the outer surface of the sidewall, a pattern filling (3) for improving the visual impact force is arranged on the bottom of the groove (2), and the pattern filling (3) is formed by arranging a plurality of pattern units (4); the pattern in the pattern unit (4) is formed by orderly arranging a plurality of strip-shaped bulges (5) with certain height, and each strip-shaped bulge (5) in the pattern unit (4) is continuous and is provided with a bent part (6).
2. The tire sidewall with visual impact according to claim 1, wherein the pattern filler (3) is formed by arranging a plurality of identical pattern units (4) with a gap between adjacent pattern units (4).
3. A tire sidewall with visual impact as claimed in claim 2, wherein the gaps between pattern elements (4) are equal to the pitch between strip-like protrusions (5).
4. The tire sidewall with visual impact according to claim 1, wherein the pattern in the pattern unit (4) is composed of a plurality of pattern lines.
5. The tire sidewall of claim 4, wherein the pattern lines are parallel to each other and the pattern lines are broken lines of a plurality of straight segments connected to each other.
6. The tire sidewall of claim 4, wherein the pattern lines are parallel to each other and the pattern lines are arcs of a plurality of minor arcs connected to each other.
7. The tire sidewall having a visual impact force of claim 5, wherein two adjacent minor arcs are centrosymmetric about the connection point.
8. The tire sidewall having visual impact according to claim 4, wherein the pattern lines comprise a first symbol line (481) and a second symbol line (482) each parallel to each other, the first symbol line (481) being arranged to form a first region, the second symbol line (482) being arranged to form a second region; the first regions and the second regions are alternately arranged in both the horizontal direction and the vertical direction, thereby forming a pattern.
9. A tire sidewall with visual impact as claimed in claim 1, characterized in that the depth h1 of the groove (2) is 0.4-0.6mm; the side wall of the groove (2) is an inclined plane, the side wall is outwards opened from the bottom of the groove to the top of the groove, and the included angle theta 1 between the inclined plane and a plane vertical to the bottom of the groove is 10-30 degrees; a bottom fillet R is arranged between the side wall of the groove (2) and the bottom of the groove, and the radius of the bottom fillet R is 0.1-0.2mm;
the cross section of the strip-shaped bulge (5) is in the shape of a boss (51), the bottom surface of the boss (51) is positioned at the bottom of the groove, the boss (51) integrally extends upwards, and the average height h2 of the boss (51) is 0.2-1mm; the average width L2 of the boss (51) is 0.05-0.08mm; the average distance L1 of the bosses (51) is 0.05-0.3mm; the angle theta 2 formed between the sidewalls of the boss (51) and a plane perpendicular to the carcass is 5-30 deg.
10. A tire having a pair of sidewalls, characterized in that at least one of the sidewalls uses the tire sidewall of any one of claims 1 to 9.
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CN202220825163.3U CN218750133U (en) | 2022-04-11 | 2022-04-11 | Tire side wall and tire with visual impact force |
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CN202220825163.3U CN218750133U (en) | 2022-04-11 | 2022-04-11 | Tire side wall and tire with visual impact force |
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