CN210821675U

CN210821675U - All-steel load-carrying radial snow tire

Info

Publication number: CN210821675U
Application number: CN201920780227.0U
Authority: CN
Inventors: 俞惠友; 张春生; 王学瑞
Original assignee: Zhongce Rubber Group Co Ltd
Current assignee: Zhongce Rubber Group Co Ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-06-23
Anticipated expiration: 2029-05-28

Abstract

The utility model provides an all-steel loading meridian snow tire; the tread pattern structure of the tire comprises pattern blocks, wherein the pattern blocks comprise pattern blocks of a central block area (A) and pattern blocks of a shoulder block area (B); the shape of the pattern block is an irregular polygon; in the Y direction of the tread, a transverse groove is formed between the adjacent pattern blocks, and a connecting flower is arranged in the transverse groove formed in the central block area (A); the pattern blocks and the connecting pattern ribs are provided with 3D steel sheets; in the X direction of the tread, four longitudinally zigzag drainage ditches are formed between the pattern blocks; the pattern blocks in the central block-shaped area are designed in a centrosymmetric mode, and the symmetric centers of the pattern blocks are located in the centers of the pattern blocks.

Description

All-steel load-carrying radial snow tire

Technical Field

The utility model relates to a snow tire especially relates to an all-steel load meridian snow tire.

Background

The phenomenon of skidding of an automobile is easy to occur when the automobile runs on an ice and snow road surface in winter, and the phenomenon is caused by that a water film is formed between a tire contact surface and the road surface, so that the adhesion capacity between the tire and the road surface is reduced, and the potential safety hazard exists during driving in winter to a certain extent. The all-steel load-carrying snow tire is a tire specially designed according to the winter ice and snow road surface, and can improve the adhesion coefficient of the tire on the ice and snow road surface, further improve the grip of the tire on the road surface and ensure the driving safety in winter.

The traditional steel disc groove section shape of the all-steel load-carrying common tire is straight, and the pattern blocks can be inverted when the ground contact pressure is higher, so that the ground contact area is reduced. The section shapes of the steel sheet grooves on the all-steel load snow tire pattern blocks are concave-convex, so that the pattern blocks can mutually support to optimize the ground contact area when stressed, and the ground gripping performance of the tire on the ice and snow road surface is improved. Chinese utility model patent (No. CN 204526667U) discloses a full wheel position snow tire of lorry that suitability is strong, through the design of snow decorative pattern and design on the decorative pattern piece have the 3D steel sheet, improves the grip of tire on ice and snow road surface.

Therefore, the design of heavy tire snow patterns is still an important subject for technicians of tire enterprises at home and abroad to effectively improve the snow performance of tires.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an all-steel load meridian snow tire improves the coefficient of adhesion of tire on ice and snow road surface through the design of tread decorative pattern, and then improves the tire and at the land fertility of grabbing on ice and snow road surface, ensures driving safety in winter.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

an all-steel truck radial snow tire, the tread pattern structure of which comprises pattern blocks, wherein the pattern blocks comprise a central block area (A) pattern block and a shoulder block area (B) pattern block; the shape of the pattern block is an irregular polygon; in the Y direction of the tread, a transverse groove is formed between the adjacent pattern blocks, and a connecting flower is arranged in the transverse groove formed in the central block area (A); the pattern blocks and the connecting pattern ribs are provided with 3D steel sheets; in the X direction of the tread, four longitudinally zigzag drainage ditches are formed between the pattern blocks; the pattern blocks in the central block-shaped area are designed in a centrosymmetric mode, and the symmetric centers of the pattern blocks are located in the centers of the pattern blocks.

Preferably, the plurality of blocks of the central block area are arranged independently of each other, and the blocks are irregular decagonal.

Preferably, the shoulder block areas (B) are sequentially provided with side blocks at intervals in the Y direction, the central block areas (A) are sequentially provided with middle blocks at intervals in the Y direction, and the side blocks and the middle blocks are arranged in a crossed mode.

Preferably, the central block area (a) is provided with a first central block, a second central block and a third central block in sequence from left to right, the second central block is respectively crossed with the first central block and the third central block, and the blocks of the two shoulder block areas (B) are respectively crossed with the first central block and the third central block.

Preferably, the angle between the transverse groove of the central block-shaped area and the X direction is designed to be 8-12 degrees, and the connecting ribs are as high as the blocks.

Preferably, the angle between the transverse grooves of the shoulder block areas and the X direction is 8-12 degrees, and reinforcing ribs are designed between the shoulder block area pattern blocks in the Y direction, and the height of the reinforcing ribs is 30-40 percent of the depth of the pattern grooves.

Preferably, the longitudinally-bent drainage ditch has a ditch depth of 19-22 mm and a ditch width of 8-10 mm.

Preferably, the 3D steel sheet is wavy, and the depth of the 3D steel sheet ranges from 60% to 90% of the groove depth of the pattern block.

Preferably, the number of the 3D steel sheets on the pattern block is 5-6, and the number of the break angles of a single steel sheet is 6-10.

Compared with the prior art, the beneficial effects of the utility model are that:

the pattern structure main body of the snow tire adopts relatively independent block pattern design, the transverse groove directions of adjacent pattern blocks are crossed, and the running performance of the tire on the ice and snow road surface is enhanced; the ingenious design of the angle, width and position of the transverse grooves can reduce the tire noise caused by the pattern transverse grooves. The pattern blocks are polygonal and combined with zigzag longitudinal drainage pattern grooves formed among the pattern blocks, so that the applicability and the drainage of the tire are enhanced. A certain number of 3D steel sheets are uniformly distributed on the pattern blocks, so that the capacity of breaking ice and snow of the tire is enhanced while the ground contact area is optimized. In addition, the 3D steel sheet depth design and the concave-convex design of different gradients (shown in figure 2) on the pattern block also ensure the rigidity of the pattern block.

Drawings

FIG. 1 is a schematic view of the snow tire pattern structure of the present invention;

figure 2 is a schematic cross-sectional view of a three-dimensional steel sheet for a block.

Detailed Description

The following describes in detail an embodiment of the present invention with reference to the drawings.

An all-steel load-carrying radial snow tire as shown in fig. 1, the tread pattern structure comprises blocks of a central block area a, blocks of a shoulder block area B, connecting ribs 5, a reinforcement 6, a 3D steel sheet 7,

transverse grooves

81,82 and zigzag drainage grooves 9;

the utility model provides a decorative pattern piece in central block area is central symmetry design, and the center of symmetry is located the decorative pattern piece center, and the decorative pattern piece shape is irregular polygon, and in this embodiment, central block area decorative pattern piece is relatively independent, and the decorative pattern piece is irregular decagon;

in the tread Y direction, a transverse groove is formed between the adjacent pattern blocks, specifically, in the central block area A, in the tread Y direction, a transverse groove 81 is formed between the adjacent pattern blocks and the pattern blocks, and a connecting flower 5 is arranged in the formed transverse groove 81; furthermore, 3D steel sheets 7 are arranged on the pattern blocks and the connecting pattern ribs 5; the 3D steel sheet optimizes the grounding area and simultaneously enhances the capability of breaking ice and snow of the tire.

In the transverse direction (X) of the tread, four longitudinally-bent drainage ditches 9 are formed between the pattern blocks; and the zigzag longitudinal drainage pattern groove enhances the applicability and the drainage of the tire.

The shoulder block regions (B) are sequentially arranged with the side pattern blocks 3 at intervals in the Y direction, referring to FIG. 1, the arrangement directions of the side pattern blocks 3 in the two shoulder block regions (B) are consistent, the central block region (A) is sequentially provided with a first central region pattern block 2, a second central region pattern block 1 and a third central region pattern block 2 from the left side to the right side, the second central region pattern block 1 is respectively arranged to be crossed with the first central region pattern block 2 and the third central region pattern block 2, and the pattern blocks 3 in the two shoulder block regions (B) are respectively arranged to be crossed with the first central region pattern block 2 and the third central region pattern block 2; the crossed tiger stripe blocks enhance the running performance of the tire on the ice and snow road surface.

In the embodiment, the angle between the transverse groove 81 of the tread central block area and the transverse direction (X direction) is designed to be 8-12 degrees, and connecting ribs are designed among the blocks in the longitudinal direction and are as high as the blocks;

the angle between the transverse groove 82 of the shoulder block area of the tire tread and the transverse direction (X direction) is designed to be 8-12 degrees; reinforcing ribs 6 are arranged between the longitudinal pattern blocks, and the height of each reinforcing rib is 30% -40% of the groove depth of each pattern block; the ingenious design of the angle, width and position of the transverse grooves can reduce the tire noise caused by the pattern transverse grooves. Four longitudinal zigzag drainage ditches 9 are formed between the tread pattern blocks and the pattern blocks, the depth of each ditch is 19-22 mm, and the width of each ditch is 8-10 mm;

the 3D steel sheet 7 is designed on the pattern block, the 3D steel sheet is wave-shaped and different in depth, the depth value range of the 3D steel sheet is 60% -90% of the depth of the pattern groove, the figure 2 is a schematic section view of the 3D steel sheet of the pattern block, and the rigidity of the pattern block is also guaranteed through the 3D steel sheet depth design and the concave-convex design of different gradients (figure 2) on the pattern block.

The number of the 3D steel sheets on the pattern block is 5-6, and the number of the break angles of a single steel sheet is 6-10; the tread

transverse grooves

81 and 82 are positioned in the middle of the adjacent pattern blocks, and the width of the grooves is 8-10 mm.

The above is the embodiment of the present invention, not therefore the limit to the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transformation that the content of the specification and the attached drawings do, or directly or indirectly use in other related technical fields, all including in the same way the patent protection scope of the present invention.

Claims

1. An all-steel load meridian snow tire is characterized in that: the tread pattern structure of the tire comprises pattern blocks, wherein the pattern blocks comprise pattern blocks of a central block area (A) and pattern blocks of a shoulder block area (B); the shape of the pattern block is a polygon; in the Y direction of the tread, a transverse groove is formed between the adjacent pattern blocks, and a connecting flower is arranged in the transverse groove formed in the central block area (A); the pattern blocks and the connecting pattern ribs are provided with 3D steel sheets; in the X direction of the tread, four longitudinally zigzag drainage ditches are formed between the pattern blocks; the pattern blocks in the central block-shaped area are designed in a centrosymmetric mode, and the symmetric centers of the pattern blocks are located in the centers of the pattern blocks.

2. An all-steel truck radial snow tire according to claim 1, wherein: the plurality of blocks of the central block area are arranged independently, and the blocks are decagonal.

3. An all-steel truck radial snow tire according to claim 2, wherein: the shoulder block areas (B) are sequentially arranged at intervals in the Y direction and are provided with side pattern blocks, the central block areas (A) are sequentially and uniformly distributed with middle pattern blocks at intervals in the Y direction, and the side pattern blocks and the middle pattern blocks are arranged in a crossed mode.

4. An all-steel truck radial snow tire according to claim 3, wherein: the central block area (A) is sequentially provided with a first central area pattern block, a second central area pattern block and a third central area pattern block from the left side to the right side, the second central area pattern block is respectively crossed with the first central area pattern block and the third central area pattern block, and the pattern blocks of the two shoulder block areas (B) are respectively crossed with the first central area pattern block and the third central area pattern block.

5. An all-steel truck radial snow tire according to claim 2, wherein: the angle between the transverse groove of the central block-shaped area and the X direction is designed to be 8-12 degrees, and the connecting ribs and the pattern blocks are equal in height.

6. An all-steel truck radial snow tire according to claim 2, wherein: the angle between the transverse groove of the shoulder block-shaped area and the X direction is designed to be 8-12 degrees, and reinforcing ribs are designed between the pattern blocks of the shoulder block-shaped area in the Y direction, and the height of the reinforcing ribs is 30-40 percent of the depth of the pattern grooves.

7. An all-steel truck radial snow tire according to claim 2, wherein: the longitudinal zigzag drainage ditch is 19-22 mm deep and 8-10 mm wide.

8. An all-steel truck radial snow tire according to claim 2, wherein: the 3D steel sheet is wavy, and the depth range of the 3D steel sheet is 60% -90% of the groove depth of the pattern block.

9. An all-steel truck radial snow tire according to claim 8, wherein: the number of the 3D steel sheets on the pattern block is 5-6, and the number of the break angles of a single steel sheet is 6-10.

10. An all-steel truck radial snow tire according to any one of claims 1 to 9, wherein: the transverse groove is located in the middle of the adjacent pattern blocks, and the width of the groove is 8-10 mm.