WO2019174347A1 - 一种具有新型胎侧花纹的轮胎及轮胎模具 - Google Patents

一种具有新型胎侧花纹的轮胎及轮胎模具 Download PDF

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Publication number
WO2019174347A1
WO2019174347A1 PCT/CN2018/122600 CN2018122600W WO2019174347A1 WO 2019174347 A1 WO2019174347 A1 WO 2019174347A1 CN 2018122600 W CN2018122600 W CN 2018122600W WO 2019174347 A1 WO2019174347 A1 WO 2019174347A1
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WO
WIPO (PCT)
Prior art keywords
tire
curved
arc
pattern
extended end
Prior art date
Application number
PCT/CN2018/122600
Other languages
English (en)
French (fr)
Inventor
李承霖
赵鹏
杜平
张伟
张恭运
单既强
宫耀宇
王钦峰
孙日文
刘志兰
沈锡良
Original Assignee
山东豪迈机械科技股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 山东豪迈机械科技股份有限公司 filed Critical 山东豪迈机械科技股份有限公司
Priority to RS20230688A priority Critical patent/RS64546B1/sr
Priority to US16/981,102 priority patent/US11602957B2/en
Priority to JP2020549596A priority patent/JP7094380B2/ja
Priority to KR1020207029278A priority patent/KR102330654B1/ko
Priority to EP18909677.9A priority patent/EP3766707B1/en
Publication of WO2019174347A1 publication Critical patent/WO2019174347A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C13/00—Tyre sidewalls; Protecting, decorating, marking, or the like, thereof
    • B60C13/001—Decorating, marking or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
    • B29D30/0606—Vulcanising moulds not integral with vulcanising presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/72—Side-walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03—Tread patterns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C13/00—Tyre sidewalls; Protecting, decorating, marking, or the like, thereof
    • B60C13/02—Arrangement of grooves or ribs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
    • B29D30/0606—Vulcanising moulds not integral with vulcanising presses
    • B29D2030/0607—Constructional features of the moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
    • B29D30/0606—Vulcanising moulds not integral with vulcanising presses
    • B29D2030/0607—Constructional features of the moulds
    • B29D2030/0612—Means for forming recesses or protrusions in the tyres, e.g. grooves or ribs, to create the tread or sidewalls patterns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
    • B29D30/0606—Vulcanising moulds not integral with vulcanising presses
    • B29D2030/0607—Constructional features of the moulds
    • B29D2030/0616—Surface structure of the mould, e.g. roughness, arrangement of slits, grooves or channels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/72—Side-walls
    • B29D2030/726—Decorating or marking the sidewalls before tyre vulcanization

Definitions

  • the present invention relates to the field of tires, and more particularly to a tire and tire mold having a novel sidewall pattern.
  • the present invention provides a tire having a novel sidewall pattern, which is intended to solve the above problems of the prior art tire having a novel sidewall pattern.
  • the present invention provides a tire mold designed to solve the above problems of the tire mold of the prior art.
  • a tire having a novel sidewall pattern comprising a carcass, a side portion of the carcass having a marking area, wherein the marking zone is provided with a plurality of pattern units;
  • the pattern unit protrudes from the carcass, the pattern unit includes a bent portion, the curved portion includes a curved portion, and the curved portion further includes an extended end disposed at both ends of the curved portion.
  • the curved segments are curved and/or multi-segmented, and the extended ends are curved and/or multi-segmented;
  • the radius of curvature of the extended end and/or its circumscribed arc is smaller than the radius of curvature of the curved section and/or its circumscribed arc; for example, the radius of curvature of the circumscribed arc of the extended end of the polygonal line or the curved end of the curved end is smaller than The radius of curvature of the circumscribed arc of the curved section of the multi-segment type or the curved section of the arc;
  • the bending direction of the extended end is inconsistent with the bending direction of the curved section
  • the length of the curved portion is 1 to 6 mm, more preferably 2-4 mm, preferably 3 mm;
  • each pattern unit is bilaterally symmetrical and periodically arranged in a cycle; or each pattern unit is a non-left-right symmetric structure;
  • the end points between the plurality of line segments of the curved section are connected at an angle of 90°-180°.
  • the extended ends of the plurality of curved portions are connected to form a chain of bent portions, and the plurality of bent portion chains are staggered;
  • the adjacent two bending portion chains are staggered by 1/3-2/3 of the bending portion length positions; preferably, the adjacent two bending portion chains are staggered by 1/2 of the bending portion length positions;
  • the gap value at the position where the gap is the smallest is 0-0.5 mm;
  • the adjacent curved section and the extended end have a certain gap, and the value of the gap is 0-0.5 mm.
  • bent portion chains are arranged in parallel, and the spaced apart upper and lower positions of the curved portion are repeated;
  • the chain of bends is arranged in an arc, and preferably, the chain of bends extends in a circle around the center of the tire;
  • the ring or arc formed by the different bending chain can ensure that the bending chain is connected in the first position by adjusting the number or the length of the bending portion.
  • the connecting portion is provided with a connecting portion between at least two adjacent end portions of the bent portion, so that at least two phases are in the same bent portion chain.
  • the curved portions of the adjacent are joined together.
  • the extended end includes a semi-closed circle and a transition section connected between the semi-closed circle and the curved section, the semi-closed circle Having an opening toward the curved section;
  • the semi-closed circle has a radius of 0.06 to 0.3 mm, preferably 0.16 mm.
  • the distance between any two points on the extended end is less than or equal to 0.3 mm.
  • the distance between the spaced apart bends is greater than 0.4 mm, preferably between 0.5 and 1.5 mm.
  • the blank spaces between the curved portions are filled with pillars or branches, or the curved side walls are extended with pillars or branches.
  • the shape and/or size of the cylinder and branches can be selected such that the cylinders and branches join adjacent two bends.
  • a tire mold for manufacturing the above tire characterized in that the tire mold comprises a side plate, and the side plate is provided with a groove structure adapted to the pattern unit.
  • a clear visual contrast is formed with the position that the pattern area does not cover.
  • the curved section structure of the curved portion can improve the rigidity of the sidewall pattern. Since the sidewall is pressed, the deformation will be convex. If the deformation occurs at a continuous relatively long extension position, the stress concentration of the extension portion may occur, or even occur. fracture.
  • the curved structure of the curved section can buffer and disperse the convex stress.
  • the discontinuous bending portions are not directly connected, which can avoid stress concentration and improve the service life of the tire sidewall pattern.
  • the extended ends of the two ends of the curved portion can avoid the occurrence of breakage when the stress at the both ends is concentrated.
  • the tire mold of the present invention obtained by the above design is capable of producing the tire as described above.
  • FIG. 1 is a schematic structural view of a first pattern unit of a tire having a novel sidewall pattern according to an embodiment of the present invention
  • FIG. 2 is a schematic perspective structural view of a first pattern unit of a tire having a novel sidewall pattern according to an embodiment of the present invention
  • FIG. 3 is a schematic structural view of a marking area composed of a first type of pattern unit of a tire having a novel sidewall pattern according to an embodiment of the present invention
  • Figure 4 is a view taken along line A-A of Figure 3;
  • Figure 5 is a B-B arrow view of Figure 3;
  • Figure 6 is a schematic structural view of a tire mold for producing the tread pattern of Figure 4.
  • FIG. 7 is a schematic structural view of a second and third pattern unit of a tire having a novel sidewall pattern according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural view of a fourth pattern unit of a tire having a novel sidewall pattern according to an embodiment of the present invention.
  • FIG. 9 is a schematic structural view of a marking area formed by a fourth pattern unit of a tire having a novel sidewall pattern according to an embodiment of the present invention.
  • FIG. 10 is a schematic structural view of another marking area composed of a first pattern unit of a tire having a novel sidewall pattern according to an embodiment of the present invention
  • FIG. 11 is a schematic structural view of a marking area composed of a first pattern unit of a tire having a novel sidewall pattern according to an embodiment of the present invention
  • Figure 12 is a C-C arrow view of Figure 11;
  • Figure 13 is a D-D arrow view of Figure 11;
  • FIG. 14 is a schematic structural view of a top portion of a curved portion of a tire having a novel sidewall pattern according to an embodiment of the present invention
  • 15 is a schematic structural view of another curved portion of a tire having a novel sidewall pattern according to an embodiment of the present invention.
  • 16 is a schematic structural view of a sixth type and a third pattern unit of a tire having a novel sidewall pattern according to an embodiment of the present invention.
  • Icon pattern unit 101, curved portion 102, curved section 103, extended end 104, column 105, branch 106, circumscribed arc 107 of the curved section of the polyline type, circumscribed arc 108 of the extended end of the polyline type, connecting section 109, Tire mold 110, groove structure 111.
  • the terms "connected”, “connected”, “fixed” and the like shall be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral, unless otherwise specifically defined and defined. It can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, which can be the internal connection of two elements or the interaction of two elements.
  • an intermediate medium which can be the internal connection of two elements or the interaction of two elements.
  • the first feature may include direct contact of the first and second features above or below the second feature, and may also include that the first and second features are not in direct contact, unless explicitly stated and defined otherwise. It is through the contact of additional features between them.
  • the first feature includes, above and above the second feature, the first feature is directly above and above the second feature, or merely indicates that the first feature level is higher than the second feature.
  • the first feature includes, below and below the second feature, the first feature is directly below and below the second feature, or merely indicates that the first feature level is less than the second feature.
  • This embodiment provides a tire having a novel sidewall pattern, please refer to FIG. 1 to FIG. 5 and FIG. 7 to FIG.
  • the tire having the novel sidewall pattern includes a carcass having a side portion having a marking area in which a plurality of pattern units 101 are disposed, the pattern unit 101 is protruded from the carcass, and the pattern unit 101 includes the bending portion 102.
  • the curved portion 102 includes a curved section 103 and an extended end 104 disposed at both ends of the curved section 103.
  • the curved section 103 has an arc shape, and the extended end 104 is also curved, and the radius of curvature of the extended end 104 is smaller than the radius of curvature of the curved section 103.
  • the curved section 103 is of a multi-segment type, and the angle between the end points of the plurality of line segments is 90°-180°.
  • the extension end 104 is in the form of a polyline.
  • the curved section 103 and the extended end 104 are respectively a structure of a multi-segment line type and an arc combination.
  • the radius of curvature of the extended end 104 and/or its circumscribed arc is less than the radius of curvature of the curved section 103 and/or its circumscribed arc.
  • the direction of bending of the extended end does not coincide with the direction of bending of the curved section.
  • the extending ends 104 of the plurality of curved portions 102 are connected to each other to form a bending portion chain, and the plurality of bending portion chains are staggered, and the adjacent two bending portion chains are staggered by 1/3-2/3 of the bending portion length positions.
  • the length position of the 1/2 bending portion 102 is 1/2.
  • the chain of bends may also be arranged non-parallel, for example, in a circular arc shape so as to extend in a circular shape around the center of the tire.
  • the chain of bends of different turns can be adjusted by the number of adjustments or the length of the bend 102 to ensure that the bend chain is connected in the first position.
  • each of the pattern units 101 is bilaterally symmetrical, and the periods are repeatedly arranged.
  • it may be a non-left-right symmetric structure, and the diameters of the curved section 103 and the extended end 104 may be appropriately adjusted as needed.
  • the curved section 103 and the extended end 104 are both curved, and the curved section 103 and the extended end 104 of the upper and lower curved portions have a certain gap, and the value of the gap is in the range of 0-0.5 mm, and the bottom thereof is preferably tangent.
  • the chain of bends is arranged in an arc shape.
  • the chain of bends extends around the center of the tire in a ring shape.
  • the ring or arc formed by the chain of different bends may be adjusted by the number or the bend.
  • the length ensures that the bent chain is connected end to end.
  • the gap described above refers to the closest distance from one position in the curved portion to the other curved portion adjacent to the curved portion, or in other words, the position closest to the position in the adjacent curved portion. the distance between.
  • the extended end 104 includes a semi-closed arc and a transition section, the semi-closed arc preferably being a semi-closed circle, the transition section being connected between the semi-closed arc and the curved section 103, the semi-closed arc being provided
  • the opening toward the curved section 103; or the extended end 104 is a semi-closed multi-segment line type.
  • the distance between any two points on the extended end 104 is less than or equal to 0.3 mm.
  • the semi-closed circle has a radius of 0.06 to 0.3 mm, preferably 0.16 mm;
  • the length of the curved portion 102 is 1 to 6 mm, more preferably 2-4 mm, preferably 3 mm; and/or, the height of the pattern unit 101 protruding from the carcass is 0.1 to 1 mm; and/or the bending of the upper and lower sides
  • the distance between the portions 102 is greater than 0.4 mm, preferably between 0.5 and 1.5 mm.
  • the angle ⁇ formed between the side wall surface of the curved portion 102 and the plane perpendicular to the carcass is 5° to 30°, preferably 15° to 25°.
  • the distance S between the side wall faces on both sides of the curved portion gradually increases from the top side toward the bottom portion, and the top portion may be a flat surface or a curved surface, or may have a sharp shape.
  • the side walls of the curved portion 102 are extended with branches; or, as shown in FIGS. 11-13, the blank spaces between the curved portions 102 are filled with pillars 105 or branches 106.
  • the angle formed between the columnar shape or the branch and the plane perpendicular to the carcass is 5° to 30°, preferably in the range of 15° to 25°, and the column shape may be a shape such as a cone or a square cone.
  • the value of the gap is also set in the range of 0-0.5 mm.
  • the gap between adjacent curved portions is larger than 0.5 mm, by filling the cylindrical shape 105 or the branch 106 in the gap, the value of the actually formed gap can be controlled to be 0-0.5 mm.
  • FIG. 1 and 3 show a first pattern unit 101, the curved portion 102 constituting the pattern unit 101 comprising an arcuate curved section 103 and an extended end 104 disposed at both ends of the curved section 103, the extended end 104 including a semi-closed circle and
  • the transition section is connected between the semi-closed circle and the curved section 103, and the semi-closed circle is provided with an opening facing the curved section 103.
  • the extending ends 104 of the plurality of curved portions 102 are connected to each other to form a linear bending portion chain.
  • the length of the curved portion 102 is 1 to 6 mm, more preferably 2-4 mm, and is preferably 3 mm.
  • FIG. 3 shows that the extended ends 104 of the plurality of curved portions 102 are connected to each other to form a bent portion chain, and the plurality of bent portion chains are staggered, and the adjacent two bent portion chains are staggered by the length of the 1/2 curved portion 102.
  • the distance between the upper and lower curved portions 102 is 0.5-1.5 mm.
  • Figure 4 shows that there is a gap between the extended end 104 of the adjacent two bends 102 and the curved section 103, the gap value being less than or equal to 0.5 mm, preferably the bottom of which is tangent.
  • the radius of the semi-closed circle of the extended end 104 is 0.06 to 0.3 mm, which is 0.16 mm in the figure.
  • Fig. 5 shows that there is a gap between the curved sections 103 of the adjacent two curved portions 102, the gap value being less than or equal to 0.5 mm.
  • Fig. 7 shows second and third pattern units 101, and the curved portion 102 constituting the pattern unit 101 includes a plurality of linear curved segments 103 and/or curved curved segments 103 and an extension provided at both ends of the curved segment 103.
  • End 104, extension end 104 includes a semi-closed circle or multi-segment line and transition section.
  • the curved portion 102 constituting the pattern unit 101 includes a curved portion 103 of a plurality of lines and an extended end 104 disposed at both ends of the curved portion 103.
  • the extended end 104 is also a polyline. type.
  • the outer arc 108 of the curved portion of the multi-segment type and the outer arc 109 of the extended end of the multi-segment type are shown, and the radius of curvature of the outer arc 109 of the extended end of the multi-segment type is smaller than the outer arc 108 of the curved portion of the multi-segment type Radius of curvature.
  • the radius of curvature of the outer arc 109 of the extended end 104 of the polygonal line or the extended end 104 of the curved shape is smaller than the outer arc 108 of the curved portion of the multi-segment type or The radius of curvature of the curved curved section 103.
  • the adjacent curved portions 102 may be adjusted in their gaps as needed, while the blank regions between adjacent curved portions 102 may be provided with pillars or branches.
  • the angle formed between the cylinder or the branch and the plane perpendicular to the carcass is 5 to 30, preferably 15 to 25, as shown in Figs. 12 and 13.
  • the shape and/or size of the column or branch may be selected according to actual needs. For example, the size of the column or branch may be selected to be able to connect adjacent two bends.
  • the distance S between the side wall faces on both sides of the curved portion 102 gradually increases from the top side toward the bottom portion, and the top portion may be a flat surface or a curved surface, or may have a sharp shape.
  • Figure 16 shows a sixth pattern unit 101 in which a connecting section 109 is provided between the extended ends 104 of two adjacent bends 102 in the chain of bends.
  • the connecting section 109 may be curved as shown in FIG. 16, or may be linear.
  • the pattern unit 101 is formed as a continuously extending bent portion chain.
  • the average width of the curved section 103, the extended end 104 and/or the connecting section 109 is 0.03 to 3 mm, preferably in the range of 0.03 to 0.5 mm.
  • a clear visual contrast is formed with the position that the pattern area does not cover.
  • the structure of the curved section 103 of the curved portion 102 can improve the rigidity of the sidewall pattern. Since the sidewall is pressed, the deformation will be convex. If the deformation occurs at a continuous relatively long extension position, the stress concentration of the extension portion may be caused. There is even a break.
  • the curved structure of the curved section 103 is capable of buffering and dispersing the convex stress.
  • the discontinuous curved portions 102 are not directly connected to each other, and the concentration of stress can be avoided, and the service life of the tire sidewall pattern can be improved.
  • the extended end 104 at both ends of the curved portion 102 can avoid breakage when stress concentration at the both ends is concentrated.
  • the present embodiment provides a tire mold 110 for the tire of the first embodiment.
  • the tire mold 110 includes a side plate provided with a groove structure 111 adapted to the pattern unit 101. .
  • the side of the vulcanized tire can be formed with a designed raised structure by the marking area of the mold.
  • the raised structure of the design constitutes a pattern area or a text area of the sidewall.
  • the text area displays text, such as "ABCDEFGH" displayed in a smooth plane.
  • the raised structure can be designed in the block area, or in the text area, or in the text area alone. It is preferable to arrange the pattern region at a position further outside the tire radial direction.
  • the groove structure 111 of the mold can be laser engraved.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

本发明提供了一种具有新型胎侧花纹的轮胎及轮胎模具，属于轮胎领域，轮胎包括胎体，胎体的侧部具有标示区，标示区内设置有多个图案单元；图案单元凸出于胎体设置，图案单元包括弯曲部，所述弯曲部包括弯曲段以及设置在弯曲段两端的延伸端。轮胎模具用于制作上述轮胎。这种轮胎具有更好的视觉效果及力学效果。

Description

一种具有新型胎侧花纹的轮胎及轮胎模具 技术领域
本发明涉及轮胎领域，具体而言，涉及一种具有新型胎侧花纹的轮胎及轮胎模具。
背景技术
在轮胎的胎侧具有大量的图案、字体等标记。这些标记通过轮胎模具制成，在轮胎模具的表面上设置有凹槽结构,通过硫化在轮胎表面获得对应的条纹结构。通常轮胎的硫化模具由金属制成，而轮胎模具的表面往往会加工的比较光洁，光洁度较高。然而，由此获得的黑色的轮胎外表面光滑，这种光滑的外表面会对光线形成反射效果，导致轮胎表面外观视觉效果较差。
发明内容
本发明提供了一种具有新型胎侧花纹的轮胎，旨在解决现有技术中具有新型胎侧花纹的轮胎存在的上述问题。
本发明提供了一种轮胎模具，旨在解决现有技术中轮胎模具存在的上述问题。
本发明实施例是这样实现的：
一种具有新型胎侧花纹的轮胎，包括胎体，所述胎体的侧部具有标示区，所述标示区内设置有多个图案单元；
所述图案单元凸出于所述胎体设置，所述图案单元包括弯曲部，所述弯曲部包括弯曲段，并且，所述弯曲部还包括设置在弯曲段两端的延伸端。
在一种较佳的实施例中，所述弯曲段呈弧形和/或多段线型，所述延伸端呈弧形和/或多段线型；
所述延伸端和/或其外接弧的曲率半径，小于所述弯曲段和/或其外接弧的曲率半径；例如，多段线型的延伸端的外接弧或呈弧形的延伸端的曲率半径，小于多段线型的弯曲段的外接弧或呈弧形的弯曲段的曲率半径；
优选地，所述延伸端的弯曲方向与所述弯曲段的弯曲方向不一致；
优选的，所述弯曲部的长度为1～6mm，更好的为2-4mm，优选为3mm；
优选的，每个图案单元左右对称，且周期重复排列；或者，每个图案单元为非左右对称结构；
优选的，所述弯曲段的多个线段之间的端点相连所成的角度为90°-180°。
在一种较佳的实施例中，多个所述弯曲部的所述延伸端之间相连构成一条弯曲部链，多个弯曲部链交错排列；
相邻的两条弯曲部链交错1/3-2/3个所述弯曲部长度位置；优选的，相邻的两条弯曲部链交错1/2个所述弯曲部长度位置；
较好的，相邻两个弯曲部之间具有一定间隙，间隙最小的位置的间隙值为0-0.5mm；
较好的，相邻的所述弯曲段和所述延伸端具有一定间隙，所述间隙的值为0-0.5mm。
在一种较佳的实施例中，所述弯曲部链平行排列，相隔的所述弯曲部上下位置重复；
或者，弯曲部链呈弧形排布，优选的，弯曲部链围绕轮胎中心呈圆环延伸；
优选的，不同所述弯曲部链构成的圆环或弧可通过调整数量或者所述弯曲部的长度，保证所述弯曲部链首位相连。
在进一步较佳的实施例中，所述弯曲部链中至少在两个相邻的所述弯曲部的延伸端之间设置有连接部，从而在同一个弯曲部链中，至少有两个相邻的所述弯曲部连接在一起。
在一种较佳的实施例中，所述延伸端包括半封闭的圆和过渡段，所述过渡段连接于所述半封闭的圆与所述弯曲段之间，所述半封闭的圆设有朝向所述弯曲段的开口；
较好的，所述半封闭的圆的半径为0.06～0.3mm，优选为0.16mm。
在一种较佳的实施例中，所述延伸端上任意两点之间的距离小于等于0.3mm。
在一种较佳的实施例中，相隔的所述弯曲部之间的距离大于0.4mm，优选为0.5-1.5mm。
在一种较佳的实施例中，所述弯曲部之间的空白位置填充有柱型或分支， 或者弯曲部侧壁延伸设有柱型或分支。可以选择该柱形和分支的形状和/或尺寸，从而使得该柱形和分支将相邻的两个弯曲部连接起来。
一种轮胎模具，用于制作上述的轮胎，其特征在于，轮胎模具包括侧板，所述侧板上设置有与所述图案单元相适配的凹槽结构。
本发明的有益效果是：本发明通过上述设计得到的具有新型胎侧花纹的轮胎，至少具有如下优点：
1、与该花纹区域不覆盖的位置形成明显的视觉对比。
2、弯曲部的弯曲段结构，能够提高胎侧图案的刚度，由于胎侧受压会凸出变形，若变形发生在连续的比较长的延伸部位置，会导致延伸部的应力集中，甚至发生断裂。而弯曲段的弯曲结构能够缓冲并分散凸出的应力。
3、不连续的弯曲部之间不直接连接，能够避免应力的集中，能够提高轮胎胎侧图案的使用寿命。
4、弯曲部两端的延伸端，能够避免两端凸起的应力集中时发生断裂。
本发明通过上述设计得到的轮胎模具，其能够制造如上所述的轮胎。
附图说明
为了更清楚地说明本发明实施方式的技术方案，下面将对实施方式中所需要使用的附图作简单地介绍，应当理解，以下附图仅示出了本发明的某些实施例，因此不应被看作是对范围的限定，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他相关的附图。
图1是本发明实施方式提供的具有新型胎侧花纹的轮胎第一种图案单元的结构示意图；
图2是本发明实施方式提供的具有新型胎侧花纹的轮胎第一种图案单元的立体结构示意图；
图3是本发明实施方式提供的具有新型胎侧花纹的轮胎第一种图案单元所组成标示区的结构示意图；
图4是图3的A-A向视图；
图5是图3的B-B向视图；
图6是生产出图4中轮胎花纹的轮胎模具的结构示意图；
图7是本发明实施方式提供的具有新型胎侧花纹的轮胎第二种和第三种图案单元的结构示意图；
图8是本发明实施方式提供的具有新型胎侧花纹的轮胎第四种图案单元的结构示意图；
图9是本发明实施方式提供的具有新型胎侧花纹的轮胎第四种图案单元所组成标示区的结构示意图；
图10是本发明实施方式提供的具有新型胎侧花纹的轮胎第一种图案单元所组成另一种标示区的结构示意图；
图11是本发明实施方式提供的具有新型胎侧花纹的轮胎第一种图案单元组成的标示区的结构示意图；
图12是图11的C-C向视图；
图13是图11的D-D向视图；
图14是本发明实施方式提供的具有新型胎侧花纹的轮胎一种弯曲部顶部的结构示意图；
图15是本发明实施方式提供的具有新型胎侧花纹的轮胎另一种弯曲部顶部的结构示意图。
图16是本发明实施方式提供的具有新型胎侧花纹的轮胎第六种和第三种图案单元的结构示意图。
图标：图案单元101、弯曲部102、弯曲段103、延伸端104、柱型105、分支106、多段线型的弯曲段的外接弧107、多段线型的延伸端的外接弧108、连接段109、轮胎模具110、凹槽结构111。
具体实施方式
为使本发明实施方式的目的、技术方案和优点更加清楚，下面将结合本发明实施方式中的附图，对本发明实施方式中的技术方案进行清楚、完整地描述，显然，所描述的实施方式是本发明一部分实施方式，而不是全部的实施方式。基于本发明中的实施方式，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施方式，都属于本发明保护的范围。因此，以下对在附图中提供的本发明的实施方式的详细描述并非旨在限制要求保护的本发明的范 围，而是仅仅表示本发明的选定实施方式。
在本发明的描述中，需要理解的是，指示方位或位置关系的术语为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
在本发明中，除非另有明确的规定和限定，术语“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
在本发明中，除非另有明确的规定和限定，第一特征在第二特征之上或之下可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征之上、上方和上面包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征之下、下方和下面包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。
实施例1
本实施例提供了一种具有新型胎侧花纹的轮胎，请参阅图1-图5，图7-图15。
这种具有新型胎侧花纹的轮胎包括胎体，胎体的侧部具有标示区，标示区内设置有多个图案单元101，图案单元101凸出于胎体设置，图案单元101包括弯曲部102，弯曲部102包括弯曲段103以及设置在弯曲段103两端的延伸端104。
弯曲段103呈弧形，延伸端104也呈弧形，延伸端104的曲率半径小于弯曲段103的曲率半径。或者，弯曲段103呈多段线型，多个线段之间的端点相连所成的角度为90°-180°。或者，延伸端104呈多段线型。或者，弯曲段103和延伸端104分别为多段线型和弧线组合的结构。延伸端104和/或其外接弧的曲率半径，小于弯曲段103和/或其外接弧的曲率半径。延伸端的弯曲方向 与所述弯曲段的弯曲方向不一致。
多个弯曲部102的延伸端104之间相连构成一条弯曲部链，多个弯曲部链交错排列，相邻的两条弯曲部链交错1/3-2/3个所述弯曲部长度位置，优选为1/2个弯曲部102长度位置。
弯曲部链也可以非平行排列，例如，可以呈圆弧形排布，这样能够沿围绕轮胎中心呈圆环延伸。不同圈的弯曲部链可以通过调整数量或者弯曲部102的长度，保证弯曲部链首位相连。
为了排图方便，每个图案单元101为左右对称，且周期重复排列。当然也可以为非左右对称结构，可根据需要对弯曲段103及延伸端104的直径长度等做适当调整。
弯曲段103和延伸端104均为弧形，上下两个弯曲部的弯曲段103和延伸端104具有一定的间隙，其该间隙的值在0-0.5mm的范围内，其底部优选为相切；相邻两个弯曲部102的延伸端104之间具有一定间隙，该间隙的值在0-0.5mm的范围内；或者，弯曲部链平行排列，相隔的弯曲部102上下位置重复。或者，弯曲部链呈弧形排布，优选的，弯曲部链围绕轮胎中心呈圆环延伸；优选的，不同所述弯曲部链构成的圆环或弧可通过调整数量或者所述弯曲部的长度，保证所述弯曲部链首尾相连。以上所述的间隙是指弯曲部中的一个位置到与该弯曲部相邻的另一个弯曲部最近的距离，或者换言之，是该位置到相邻的那个弯曲部中离该位置最近的那个位置之间的距离。
延伸端104包括半封闭的弧形和过渡段，所述半封闭的弧形优选为半封闭的圆，过渡段连接于半封闭的弧形与弯曲段103之间，半封闭的弧形设有朝向弯曲段103的开口；或者，延伸端104为半封闭的多段线型。
所述延伸端104上任意两点之间的距离小于等于0.3mm。较好的，当延伸端104为半封闭的圆时，所述半封闭的圆的半径为0.06～0.3mm，优选为0.16mm；
弯曲部102的长度为1～6mm，更好的为2-4mm，优选为3mm；和/或，图案单元101凸出于胎体的高度为：0.1～1mm；和/或，上下相隔的弯曲部102之间的距离大于0.4mm，优选为0.5-1.5mm。
弯曲部102的侧壁面与垂直于胎体的平面之间形成的角度θ为5°至30°， 优选在15°至25°的范围内。弯曲部两侧的侧壁面之间的距离S从顶部侧朝向底部逐渐增大，顶部可以为平面或弧面，也可为尖锐形状。
弯曲部102的侧壁延伸设有分支；或者，如图11-图13所示，弯曲部102之间的空白位置填充有柱型105或分支106。柱型或分支与垂直于胎体的平面之间形成的角度为5°至30°，优选在15°至25°的范围内，柱型可以为圆锥或方锥等形状。
在填充有柱形105或分支106的结构中，该柱形105或分支106与至少一个相邻的弯曲部102之间也存在间隙，该间隙的值也设置在0-0.5mm的范围内。换句话说，若相邻的弯曲部之间的间隙大于0.5mm的情况下，通过在该间隙中填充柱形105或分支106，可以将实际形成的间隙的值仍然控制在0-0.5mm的范围内。
图1和图3示出了第一种图案单元101，组成图案单元101的弯曲部102包括弧形弯曲段103以及设置在弯曲段103两端的延伸端104，延伸端104包括半封闭的圆和过渡段，过渡段连接于半封闭的圆与弯曲段103之间，半封闭的圆设有朝向弯曲段103的开口。多个弯曲部102的延伸端104之间相连构成一条直线型的弯曲部链。弯曲部102的长度为1～6mm，更好的为2-4mm，优选为3mm。图3中示出了多个弯曲部102的延伸端104之间相连构成一条弯曲部链，多个弯曲部链交错排列，相邻的两条弯曲部链交错1/2个弯曲部102长度位置；上下相隔的弯曲部102之间的距离为0.5-1.5mm。
图4示出了相邻的两个弯曲部102的延伸端104和弯曲段103之间具有一定间隙，该间隙值小于等于0.5mm，优选其底部相切。同时，延伸端104的半封闭的圆的半径为0.06～0.3mm，图中为0.16mm。
图5示出了相邻的两个弯曲部102的弯曲段103之间具有一定间隙，该间隙值小于等于0.5mm。
图7示出了第二种和第三种图案单元101，组成图案单元101的弯曲部102包括多段线型的弯曲段103和/或弧形的弯曲段103以及设置在弯曲段103两端的延伸端104，延伸端104包括半封闭的圆或多段线型和过渡段。
图8及图9示出了第四种图案单元101，组成图案单元101的弯曲部102包括多段线型的弯曲段103以及设置在弯曲段103两端的延伸端104，延伸端 104也为多段线型。同时，示出了多段线型的弯曲段的外接弧108和多段线型的延伸端的外接弧109，多段线型的延伸端的外接弧109的曲率半径小于多段线型的弯曲段的外接弧108的曲率半径。同理，在图7或其他形式的图案单元101中，多段线型的延伸端104的外接弧109或呈弧形的延伸端104的曲率半径，小于多段线型的弯曲段的外接弧108或呈弧形的弯曲段103的曲率半径。
图11中，相邻的弯曲部102可以根据需要调整其间隙，同时在相邻的弯曲部102之间的空白区域可以设置有柱型或分支。柱形或分支与垂直于胎体的平面之间形成的角度为5°至30°，优选在15°至25°的范围内，如图12和图13所示。进一步地，柱形或分支的形状和/或尺寸可根据实际需要来选择，例如，可以将柱形或分支的尺寸选择为能够将相邻的两个弯曲部连接起来。
图14、15示出了弯曲部102两侧的侧壁面之间的距离S从顶部侧朝向底部逐渐增大，顶部可以为平面或弧面，也可为尖锐形状。
图16示出了第六种图案单元101，其中，弯曲部链中相邻的两个弯曲部102的延伸端104之间设有连接段109。该连接段109可以是如图16中所示地呈弧形，也可以呈直线形。这样，在图16中所示的结构中，图案单元101形成为连续延伸的弯曲部链。
在轮胎侧部的花纹区域中，入射到形成在花纹区域(标示区)内的各凸起的光打到相邻的侧壁面。由于光在各侧壁面之间来回反射，因此光衰减了。因此，几乎没有光被反射回花纹区域的外部，使得花纹区域看起来为黑色，而相比之下其它区域(文字区域和轮胎侧部的其余部分)看起来为白色。由此，这能够在花纹区域与其他区域之间形成对比。提高了花纹部分与花纹不覆盖区域的外观的对比度。
较佳地，以上所述的弯曲部102中，弯曲段103、延伸端104和/或连接段109的平均宽度为0.03～3mm，较佳地在0.03～0.5mm的范围内。
本实施例提供的轮胎相比于现有技术中的轮胎至少具有如下优点：
1、与该花纹区域不覆盖的位置形成明显的视觉对比。
2、弯曲部102的弯曲段103结构，能够提高胎侧图案的刚度，由于胎侧受压会凸出变形，若变形发生在连续的比较长的延伸部位置，会导致延伸部的应力集中，甚至发生断裂。而弯曲段103的弯曲结构能够缓冲并分散凸出的应 力。
3、不连续的弯曲部102之间不直接连接，能够避免应力的集中，能够提高轮胎胎侧图案的使用寿命。
4、弯曲部102两端的延伸端104，能够避免两端凸起的应力集中时发生断裂。
实施例2。
本实施例提供了一种轮胎模具110，用于实施例1中的轮胎，如图6所示，轮胎模具110包括侧板，侧板上设置有与图案单元101相适配的凹槽结构111。
通过模具的标识区域能够使硫化出的轮胎的侧部形成有设计的凸起结构。设计的凸起结构构成胎侧的花纹区域或文字区域。文字区域显示文字，例如在光滑平面中显示的“ABCDEFGH”。
设计的凸起结构可以在花纹块区域，也可以围绕文字区域，也可以单独在文字区域上。优选将花纹区域设置在更靠轮胎径向的外侧的位置。模具的凹槽结构111可以使用激光雕刻而成。
以上所述仅为本发明的优选实施方式而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种具有新型胎侧花纹的轮胎，其特征在于，包括胎体，所述胎体的侧部具有标示区，所述标示区内设置有多个图案单元；
    所述图案单元凸出于所述胎体设置，所述图案单元包括弯曲部，所述弯曲部包括：弯曲段；以及设置在弯曲段两端的延伸端。
  2. 根据权利要求1所述的具有新型胎侧花纹的轮胎，其特征在于，所述弯曲段呈弧形和/或多段线型，所述延伸端呈弧形和/或多段线型；
    所述延伸端和/或其外接弧的曲率半径，小于所述弯曲段和/或其外接弧的曲率半径；例如，多段线型的延伸端的外接弧或呈弧形的延伸端的曲率半径，小于多段线型的弯曲段的外接弧或呈弧形的弯曲段的曲率半径；
    优选地，所述延伸端的弯曲方向与所述弯曲段的弯曲方向不一致；
    优选的，所述弯曲部的长度为1～6mm，更好的为2-4mm，优选为3mm；
    优选的，每个图案单元左右对称，且周期重复排列；或者，每个图案单元为非左右对称结构；
    优选的，所述弯曲段的多个线段之间的端点相连所成的角度为90°-180°。
  3. 根据权利要求1所述的具有新型胎侧花纹的轮胎，其特征在于，多个所述弯曲部的所述延伸端之间相连构成一条弯曲部链，多个弯曲部链交错排列；
    相邻的两条弯曲部链交错1/3-2/3个所述弯曲部长度位置；优选的，相邻的两条弯曲部链交错1/2个所述弯曲部长度位置；
    较好的，相邻两个弯曲部之间具有一定间隙，所述间隙的值为0-0.5mm；
    较好的，相邻的所述弯曲段和所述延伸端具有一定间隙，所述间隙的值为0-0.5mm。
  4. 根据权利要求3所述的具有新型胎侧花纹的轮胎，其特征在于，
    所述弯曲部链平行排列，相隔的所述弯曲部上下位置重复；
    或者，弯曲部链呈弧形排布，优选的，弯曲部链围绕轮胎中心呈圆环延伸；
    优选的，不同所述弯曲部链构成的圆环或弧可通过调整数量或者所述弯曲 部的长度，保证所述弯曲部链首位相连。
  5. 根据权利要求3所述的具有新型胎侧花纹的轮胎，其特征在于，
    所述弯曲部链中，至少两个相邻的所述弯曲部的所述延伸端之间设置有连接部，从而将相邻的两个所述弯曲部连接在一起。
  6. 根据权利要1所述的具有新型胎侧花纹的轮胎，其特征在于，所述延伸端包括半封闭的圆和过渡段，所述过渡段连接于所述半封闭的圆与所述弯曲段之间，所述半封闭的圆设有朝向所述弯曲段的开口；
    较好的，所述半封闭的圆的半径为0.06～0.3mm，优选为0.16mm。
  7. 根据权利要求1所述的具有新型胎侧花纹的轮胎，其特征在于，所述延伸端上任意两点之间的距离小于等于0.3mm。
  8. 根据权利要求1所述的具有新型胎侧花纹的轮胎，其特征在于，
    相隔的所述弯曲部之间的距离大于0.4mm，优选为0.5-1.5mm。
  9. 根据权利要求1所述的具有新型胎侧花纹的轮胎，其特征在于，所述弯曲部之间的空白位置填充有柱型或分支，或者弯曲部侧壁延伸设有柱型或分支。
  10. 一种轮胎模具，用于制作权利要求1-9任一项所述的轮胎，其特征在于，轮胎模具包括侧板，所述侧板上设置有与所述图案单元相适配的凹槽结构。
PCT/CN2018/122600 2018-03-16 2018-12-21 一种具有新型胎侧花纹的轮胎及轮胎模具 WO2019174347A1 (zh)

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