CN114734760A

CN114734760A - Four seasons general motorcycle tire decorative pattern structure

Info

Publication number: CN114734760A
Application number: CN202210442048.2A
Authority: CN
Inventors: 华海燕; 陆波; 项康明; 窦贤瑞; 杨银明
Original assignee: Kenda Rubber China Co Ltd
Current assignee: Kenda Rubber China Co Ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-07-12

Abstract

The invention discloses a four-season general motorcycle tire pattern structure, which comprises a tread part, wherein a tread area, a middle area and a tire shoulder area are sequentially arranged towards two sides by taking an equator of the tread part as a center, pattern blocks arranged on the tread part are reversely and symmetrically arranged by taking the equator as the center, the pattern blocks comprise middle pattern blocks and tire shoulder pattern blocks, the middle pattern blocks cross over the tread area and the middle area, the bottoms of the left and right adjacent middle pattern blocks are mutually connected through reinforcing ribs, a main groove transversely extending through the tread part is arranged between the middle pattern blocks and the tire shoulder pattern blocks, a tread crown siping is arranged on each middle pattern block, a tire shoulder siping is arranged on each tire shoulder pattern block, and the width of each main groove is larger than the width of each tread crown siping and the width of each tire shoulder siping. Through the mode, the snow tire has the main performance of special snow tire road surface driving, and simultaneously gives consideration to the use safety of normal road conditions, and can well meet the driving requirements of all road conditions in four seasons.

Description

Four seasons general motorcycle tire decorative pattern structure

Technical Field

The invention relates to the technical field of tire manufacturing, in particular to a four-season universal motorcycle tire pattern structure.

Background

The tire is the only component on the motorcycle which is directly contacted with the road surface, the functions of the tire are mainly bearing load, transmitting the power of an engine, bearing the ground braking force, keeping stable directionality and the like, and the tire patterns have direct influence on the dynamic property, the driving stability, the riding comfort and the driving safety of the motorcycle.

In view of seasonal differences, there are differences between summer tires, which heavily consider normal temperature and drainage on the design upper side, and winter tires, which heavily consider low temperature and icy and snowy road surfaces on the design upper side, and traction and grip of the winter tires are more dependent on grip of the tread and the snow. If the vehicle runs on the ice and snow road surface by adopting a common tire in summer, the driving safety can be greatly reduced, and at present, the special snow tire is replaced in winter, particularly in ice and snow days according to the change of seasons, so that the driving safety of the ice and snow road surface is ensured; however, the snow tire has the disadvantages of abrasion blocks and poor high-speed performance when running on a normal dry and wet road surface, and inconvenience is brought to a vehicle owner because the tire is frequently replaced along with seasonal changes or running road condition changes.

Therefore, a four-season general tire needs to be developed to meet the driving requirements of all road conditions in all seasons.

Disclosure of Invention

The invention mainly solves the technical problem of providing a four-season universal motorcycle tire pattern structure, which has the main performance of special snowfield tire road surface driving, simultaneously gives consideration to the use safety of normal road conditions, and can well meet the four-season all-road-condition driving requirements.

In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides a general motorcycle tyre tread structure of four seasons, includes tread portion to the equator of tread portion is the center, is hat region, middle zone and tire shoulder region to both sides in proper order, the decorative pattern piece that tread portion set up uses the equator to be reverse symmetry setting as the center, the decorative pattern piece includes middle decorative pattern piece and tire shoulder decorative pattern piece, middle decorative pattern piece strides hat region and middle zone, and control adjacent two connect through strengthening rib interlocking between the middle decorative pattern piece bottom, be provided with the main slot that transversely extends through tread portion between middle decorative pattern piece and the tire shoulder decorative pattern piece, be provided with the hat sword groove on the middle decorative pattern piece, be provided with the tire shoulder sword groove on the tire shoulder decorative pattern piece, the width of main slot is greater than the width of hat sword groove and tire shoulder sword groove.

Preferably, the middle blocks and the shoulder blocks are polygonal irregular inclined blocks.

Preferably, the middle pattern blocks are surrounded by 13 edges, the inclination angle is between 35 degrees and 65 degrees, the shoulder pattern blocks are surrounded by 10 edges, the inclination angle is between 3 degrees and 65 degrees, and the inclination angles are based on an X horizontal axis.

Preferably, the crown sipes include a first crown sipe, a second crown sipe, and a third crown sipe, which are sequentially arranged, the first crown sipe and the third crown sipe form ends inside the middle pattern block, and the second crown sipe penetrates through the middle pattern block.

Preferably, the area of the crown sipes distributed in the middle area is larger than the area of the crown area.

Preferably, the groove depth of the crown sipes and the groove depth of the reinforcing ribs are 53% -57% of the total depth of the middle pattern blocks, and the first crown sipes and the third crown sipes are both in a wave form.

Preferably, the shoulder sipes include a first shoulder sipe unit, a second shoulder sipe unit, and a third shoulder sipe unit, which are obliquely arranged in this order, and the shoulder blocks and the shoulder sipes extend obliquely toward one side with respect to the circumferential direction of the tread portion.

Preferably, the depth of the tire shoulder siping is 46% -66% of the total depth of the tire shoulder pattern blocks, the first tire shoulder siping unit and the third tire shoulder siping unit are in a wave shape, and the width of the groove of the second tire shoulder siping unit is gradually increased from the middle area to the tire shoulder area.

Preferably, the tread portion includes interior surface course, strengthening layer and buffer layer that from inside to outside set gradually, the strengthening layer is two-layer alternately overlapping's nylon bias cord layer, the buffer layer is the steel wire belt layer that only sets up in the child hat region, and every strand of steel wire belt layer is made by three steel wires.

Preferably, the lateral surface of the tread portion is provided with a olecranon protrusion, the lateral surface of the olecranon protrusion is vertically arranged and exceeds the outer wall of the rim by at least 2.0mm, the upper surface of the olecranon protrusion is in an inwards concave arc shape, and the thickness of the olecranon protrusion is at least 3.0 mm.

The invention has the beneficial effects that:

the invention provides a four-season general motorcycle tire pattern structure, which spans a crown area and a middle area in a mode of connecting and interlocking middle pattern blocks, tire shoulder pattern blocks and reinforcing ribs which are arranged in an irregular polygonal inclined manner, so that the linear traction of a tire on snow, mud, gravel roads and the like is improved, and the braking and control performance on wet and slippery ice and snow roads is enhanced; the collocation and the combination between main slot, child hat sword groove and the tire shoulder sword groove increase the traction capacity of tire in the snowfield, exert powerful drive power, realize the snow self-purification of tire simultaneously, this tire decorative pattern structure has the main performance that special snowfield tire road surface was gone, can compromise the safe in utilization of normal road conditions simultaneously again, can satisfy the all-season all-terrain driving requirement, simultaneously resistant load, long service life has good market spreading value.

Drawings

FIG. 1 is a front view of the pattern of the tread portion of the pattern structure of a four season general motorcycle tire of the present invention;

FIG. 2 is a cross-sectional view of a sipe of the present invention embodying the groove depth design of the crown sipes and ribs in the intermediate tread block;

FIG. 3 is a cross-sectional view of a sipe of the present invention embodying the design of the depth of the shoulder sipe in the shoulder block;

FIG. 4 is a cross-sectional view of a four season motorcycle tire pattern structure of the present invention for embodying a tire structure layer;

the parts in the drawings are numbered as follows:

1. a tread portion; 2. a crown region; 3. a middle region; 4. a shoulder region; 5. a middle pattern block; 6. a tire shoulder pattern block; 7. reinforcing ribs; 8. a main trench; 9. a crown cutter groove; 91. a first crown sipe; 92. a second crown sipe; 93. a third crown sipe; 10. a tire shoulder cutter groove; 101. a first shoulder cutter groove unit; 102. a second shoulder sipe unit; 103. a third shoulder cutter groove unit; 11. an inner layer; 12. a strengthening layer; 13. a buffer layer; 14. the olecranon is raised; 15. and (4) a wheel rim.

Detailed Description

The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to more readily understand the advantages and features of the present invention, and to clearly and unequivocally define the scope of the present invention.

Example (b):

as shown in fig. 1, the tire pattern structure for the four-season general motorcycle comprises a tread portion 1, a crown region 2, a middle region 3 and a tire shoulder region 4 are sequentially arranged towards two sides by taking an equator line C of the tread portion 1 as a center, and blocks arranged on the tread portion 1 are arranged in an inverted symmetry mode by taking the equator line C as the center. The pattern block includes middle pattern block 5 and tire shoulder pattern block 6, connects through strengthening rib 7 between the bottom of two adjacent middle pattern blocks 5 of left and right sides and forms the interlocking connected mode, crosses crown area 2 and middle zone 3, and this design is used for promoting the straight line stability of traveling of vehicle on the road surface, strengthens the braking and the control performance on wet and slippery ice and snow road surface.

As shown in fig. 1, a main groove 8 is arranged between the middle pattern block 5 and the shoulder pattern block 6, the main groove 8 transversely extends across the width of the whole tread portion 1, the main groove 8 is designed by four-segment arc connection and penetrates through tread patterns, the groove trend span is large, longitudinal control and lateral skid resistance are ensured, the linear stability of a vehicle is improved, and meanwhile, the snow drainage performance and the turning control performance are considered. The crown sipes 9 are arranged on the middle pattern blocks 5, so that the rigidity of the middle pattern blocks 5 is effectively reduced, and rocks, soil and the like can be effectively caught by the cooperation of the grooves adjacent to the middle pattern blocks 5. The tire shoulder pattern blocks 6 are provided with tire shoulder sipes 10, so that the rigidity of the tire shoulder pattern blocks 6 is reduced, and rocks, soil and the like are effectively caught by grooves clamped by the tire shoulder pattern blocks 6; meanwhile, the width of the main groove 8 is larger than the width of the tire crown cutter groove 9 and the tire shoulder cutter groove 10, and the matching rationality of the main groove and the secondary groove is ensured.

As shown in fig. 1, the middle pattern block 5 and the shoulder pattern block 6 are polygonal irregular inclined pattern blocks, preferably, the middle pattern block 5 is enclosed by 13 edges, the inclination angle is between 35 degrees and 65 degrees, the shoulder pattern block 6 is enclosed by 10 edges, the inclination angle is between 3 degrees and 65 degrees, the inclination angles are based on an X horizontal axis, because the middle pattern block 5 and the shoulder pattern block 6 are regions with the largest ground pressure, the rigidity is reduced for suppressing the overlarge ground pressure during riding, the ground gripping force is improved, the bearing capacity of the polygonal pattern is strong, the pattern is beautiful, and the two pattern blocks are arranged in a reverse symmetry way and are complementary.

As shown in fig. 1, the crown sipes 9 include a first crown sipe 91, a second crown sipe 92 and a third crown sipe 93 which are sequentially arranged, the first crown sipe 91 and the third crown sipe 93 form a tail end inside the middle pattern block 5, the second crown sipe 92 penetrates through the middle pattern block 5, and the arrangement of the sipes can inhibit the excessive reduction of rigidity of the crown region with larger ground pressure, and reduce the defect more effectively. The area of the crown sipes 9 distributed in the intermediate region 3 is larger than the area of the crown region 2, and therefore the rigidity of the intermediate region 3 is relatively smaller than that of the crown region 2, and the off-road running performance, the durability, and the steering stability on a dry road surface are improved in good balance.

As shown in fig. 1, the shoulder sipes 10 include a first shoulder sipe unit 101, a second shoulder sipe unit 102, and a third shoulder sipe unit 103 which are arranged obliquely in this order, and the shoulder blocks 6 and the shoulder sipes 10 extend obliquely to one side with respect to the circumferential direction of the tread portion 1, and such shoulder sipes can suppress excessive reduction in rigidity of the shoulder blocks 6 in which large lateral force is generated, and can promote deformation of the shoulder blocks 6. The first crown sipe 91, the second crown sipe 92, the third crown sipe 93, the first shoulder sipe unit 101, the second shoulder sipe unit 102 and the third shoulder sipe unit 103 are distributed in a combined mode and are synchronous with the tread, the middle pattern block 5 and the shoulder pattern block 6 when seen from the overlooking, through the cooperation of the pattern blocks, the rigidity of the pattern blocks is softened, when the vehicle runs on dangerous and badly roads such as deep-falling snowfields and the like, the driving force can be provided for breaking ice and snow, extra ground grabbing force can be provided, and the adhesive force and the wet skid resistance of the tire shoulders and the tread part to the ice and snow roads are improved.

As shown in fig. 1 and 2, the groove depth of the crown sipes 9 and the groove depths H1 and H2 of the reinforcing ribs 7 are 53% -57% of the total depth H of the middle pattern blocks 5, so that the deformation of the middle pattern blocks 5 can be effectively inhibited, the rigidity can be improved, the grooves can be effectively embedded with ice and snow, the ice breaking effect can be achieved, and the grooves corresponding to the reinforcing ribs 7 can be matched with the grooves to effectively catch rocks and soil, so that the off-road performance can be improved. In addition, first child crown sword groove 91 and third child crown sword groove 93 are the wave form, and its wave form collocation its degree of depth sets up, can effectively help middle decorative pattern piece 5 to imbed ice and snow, reach snow self-purification, and the stability of controlling on the road surface all the year round further improves, and can restrain defective phenomenon.

As shown in fig. 1 and 3, the depth H1 'of the shoulder sipe 10 is 46% -66% of the total depth H' of the shoulder block 6, and the groove width of the second shoulder sipe unit 102 is gradually increased from the middle region 3 to the shoulder region 4, and this design is preferable to help the shoulder block 6 to drain water and mud. First shoulder sword groove unit 101 and third shoulder sword groove unit 103 are the wave form, and its wave form cooperates its degree of depth setting, can effectively help shoulder decorative pattern piece 6 imbed ice and snow when turning, promote turning and control stability.

As shown in fig. 1 and 4, the tread portion 1 includes an inner surface layer 11, a reinforcing layer 12, and a cushion layer 13, which are sequentially disposed from inside to outside, the inner surface layer 11 and the reinforcing layer 12 sequentially surround to form a circle, the reinforcing layer 12 is disposed on the periphery of the inner surface layer 11, and the cushion layer 13 is disposed on the periphery of the reinforcing layer 12. The strengthening layer 12 is two-layer alternately nylon oblique crossing cord layer that overlaps, and buffer layer 13 is only for setting up the one deck steel wire ring layer at the regional 2 of child hat, and with tire central line symmetric distribution, and steel wire ring layer uses car tire steel wire ring area, and every strand steel wire on steel wire ring layer is made by three steel wires, and the surface is with the steel wire glue, and resistant thorn shocks resistance, and the security performance promotes, wear-resisting resistant load simultaneously, long service life. In addition, the tire side adopts the design of being nearly straight line, big arc design promptly, and the radius is between 90 ~ 120mm, increases the side wall rigidity, and the driving process is difficult to deform, and the wear resistance of child limit is also fine.

As shown in fig. 1 and 4, the tread portion 1 is provided at a side thereof with olecranon protrusions 14, which can effectively protect the hub from knocking over the tire while ensuring low wind pressure for riding. The side of the olecranon bulge 14 is vertically arranged and exceeds the outer wall of the rim 15 by at least 2.0mm, the upper surface of the olecranon bulge 14 is in an inwards concave arc shape, the thickness of the olecranon bulge 14 is at least 3mm, and the lower surface of the olecranon bulge is connected with the rim by a horizontal plane, so that the tire and the rim are more easily assembled.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a general motorcycle tyre pattern structure of four seasons, includes tread portion (1) to the equator of tread portion (1) is the center, is crown area (2), middle zone (3) and tire shoulder area (4) to both sides in proper order, its characterized in that: the tread block that tread portion (1) set up uses the equator line to be reverse symmetry setting as the center, the decorative block includes middle decorative block (5) and tire shoulder decorative block (6), middle decorative block (5) span child crown region (2) and middle region (3), control adjacent two through strengthening rib (7) interlocking connection between middle decorative block (5) bottom, be provided with main slot (8) that transversely extends and run through tread portion (1) between middle decorative block (5) and tire shoulder decorative block (6), be provided with child crown siping (9) on middle decorative block (5), be provided with tire shoulder siping (10) on tire shoulder decorative block (6), the width of main slot (8) is greater than the width of child crown siping (9) and tire shoulder siping (10).

2. The four season general motorcycle tire pattern structure according to claim 1, characterized in that: the middle pattern blocks (5) and the shoulder pattern blocks (6) are polygonal irregular inclined pattern blocks.

3. The four season general motorcycle tire pattern structure according to claim 2, characterized in that: the middle pattern block (5) is formed by surrounding 13 edges, the inclination angle is 35-65 degrees, the tire shoulder pattern block (6) is formed by surrounding 10 edges, the inclination angle is 3-65 degrees, and the inclination angles are based on an X horizontal axis.

4. The four season general motorcycle tyre pattern structure according to claim 1, characterized in that: the tread cap sipes (9) comprise a first tread cap sipe (91), a second tread cap sipe (92) and a third tread cap sipe (93) which are sequentially arranged, the first tread cap sipe (91) and the third tread cap sipe (93) form tail ends inside the middle pattern block (5), and the second tread cap sipe (92) penetrates through the middle pattern block (5).

5. The four season general motorcycle tire pattern structure of claim 4, wherein: the area of the crown sipes (9) distributed in the middle area (3) is larger than the area of the crown area (2).

6. The four season general motorcycle tire pattern structure of claim 5, wherein: the groove depth of the crown tread groove (9) and the groove depth of the reinforcing ribs (7) are 53% -57% of the total depth of the middle pattern blocks (5), and the first crown tread groove (91) and the third crown tread groove (93) are both in a wave form.

7. The four season general motorcycle tire pattern structure according to claim 1, characterized in that: the tire shoulder siping (10) comprises a first tire shoulder siping unit (101), a second tire shoulder siping unit (102) and a third tire shoulder siping unit (103) which are obliquely arranged in sequence, and the tire shoulder pattern blocks (6) and the tire shoulder siping (10) are obliquely extended towards one side relative to the circumferential direction of the tread portion (1).

8. The four season general motorcycle tire pattern structure as claimed in claim 7, wherein: the depth of the tire shoulder siping (10) is 46% -66% of the total depth of the tire shoulder pattern block (6), the first tire shoulder siping unit (101) and the third tire shoulder siping unit (103) are in a wave shape, and the width of the groove of the second tire shoulder siping unit (102) is gradually increased from the middle area (3) to the tire shoulder area (4).

9. The four season general motorcycle tire pattern structure according to claim 1, characterized in that: tread portion (1) is including interior surface course (11), strengthening layer (12) and buffer layer (13) that set gradually from interior to exterior, strengthening layer (12) are the nylon skew cord layer that two-layer alternately overlaps, buffer layer (13) are the steel wire belt layer that only sets up in hat region (2), and every strand steel wire of steel wire belt layer is made by three steel wires.

10. The four season general motorcycle tyre pattern structure according to claim 1, characterized in that: the side of tread portion (1) is provided with olecranon arch (14), the side of olecranon arch (14) sets up perpendicularly and surpasss rim (15) outer wall at least 2.0mm, the upper surface of olecranon arch (14) is the indent arc, the thickness of olecranon arch (14) is 3.0mm at least.