Four-season asymmetric EV car tire

Abstract

The utility model provides a four-season asymmetric EV car tire which comprises a tread layer, the tread layer is provided with an inner side and an outer side which are opposite to each other, in the figure, the left side is the inner side, and the other end is the outer side. A first pattern block, a second pattern block, a third pattern block, a fourth pattern block and a fifth pattern are sequentially formed on the surface of the tread layer at intervals in the direction of the inner side and the outer side of the tire tread, a first straight groove is formed between the first pattern block and the second pattern block, and a second straight groove is formed between the second pattern block and the third pattern block. A third straight groove is formed between the third pattern block and the fourth pattern block, and a fourth straight groove is formed between the fourth pattern block and the fifth pattern block. Wherein the first pattern block, the second pattern block, the third pattern block, the fourth pattern block and the fifth pattern block are pattern blocks on the surface of the tire in the same transverse direction. When the tire surface is in contact with the ground, the gas compression frequency is reduced, so that noise is reduced, and the riding experience of passengers and users is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tire technical field especially relates to a four seasons asymmetric EV sedan tire. BACKGROUND

[0002] The domestic new energy automobile market penetration rate has been more than 30%, and the requirements of new energy vehicles on tires are energy saving, wear resistance, silence, safety, beauty, comfort, control, dry and wet braking distance and other basic requirements, and the technology content is increasing.

[0003] The current tire has a large air compression frequency, high noise and reduced passenger ride experience when driving at high speed, and additional noise reduction materials are needed to handle the car compartment, increasing the manufacturing cost.

[0004] Therefore, there is still a need for a four seasons asymmetric EV sedan tire to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model provides a four seasons asymmetric EV sedan tire which solves the above problems.

[0006] The utility model discloses the following technical scheme is realized to the purpose:

[0007] A four seasons asymmetric EV sedan tire, comprising a tread layer, the tread layer has opposite inner sides and outer sides, along the inner side and outer side direction of the tire tread, the surface of the tread layer is sequentially formed with spaced first pattern blocks, second pattern blocks, third pattern blocks, fourth pattern blocks and fifth patterns, the first pattern blocks and the second pattern blocks form the first straight groove, the second pattern blocks and the third pattern blocks form the second straight groove, the third pattern blocks and the fourth pattern blocks form the third straight groove, and the fourth pattern blocks and the fifth pattern blocks form the fourth straight groove.

[0008] And straight grooves are formed on the first pattern blocks and the fifth pattern blocks, and the width of the straight grooves is less than the width of the first straight groove, or the second straight groove, or the third straight groove, or the fourth straight groove.

[0009] In one embodiment, a separation line is formed on the first pattern blocks, one end of the separation line is communicated with the first straight groove, and the other end is located on the first pattern blocks and is not communicated with the shoulder.

[0010] In one embodiment, in the rolling circumferential direction of the tire, the first pattern blocks are separated by gradual pattern parts, and the width of the gradual pattern part gradually decreases along the direction of the inner side of the tire tread towards the first straight groove.

[0011] In one embodiment, the second pattern block is formed with a partition pattern, the partition pattern comprises a first connecting part and a second connecting part, the width of the first connecting part is greater than the width of the second connecting part, and the first connecting part and the second straight groove are communicated.

[0012] In one embodiment, the third pattern block is provided with a knife-edge groove, and the opening of the knife-edge groove is communicated with the second straight groove.

[0013] In one embodiment, the fifth pattern block is provided with a bending groove, and the bending groove is communicated with the shoulder and the fourth straight groove.

[0014] Compared with the prior art, the beneficial effects of the utility model at least include:

[0015] The tire is provided with a first pattern block, a second pattern block, a third pattern block, a fourth pattern block and a fifth pattern on the tread, and a straight groove is formed between two adjacent grooves, the straight groove is a straight groove in the rolling direction of the tire, and four straight grooves and two straight grooves are sequentially arranged, the width of the straight groove is smaller than the width of the connecting groove, when the tire is running, the straight groove design can reduce the air compression frequency, reduce the noise, and increase the drainage performance, in addition, the straight groove additionally arranged divides the pattern blocks on both sides again, improves the flexibility of the pattern blocks, and improves the grip. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a three-dimensional structure schematic diagram of the tire of the utility model embodiment;

[0017] Figure 2 is a part of the tread structure plane of the utility model embodiment Figure One ;

[0018] Figure 3 is a part of the tread structure plane of the utility model embodiment Figure Two .

[0019] In the figure: 1, first pattern block; 2, second pattern block; 3, third pattern block; 4, fourth pattern block; 5, fifth pattern; 6, first straight groove; 7, second straight groove; 8, third straight groove; 9, fourth straight groove; 10, straight groove; 11, partition pattern; 12, gradual pattern part; 13, partition pattern; 131, first connecting part; 132, second connecting part; 14, knife-edge groove; 15, bending groove. DETAILED DESCRIPTION

[0020] Example implementations will now be described more fully with reference to the accompanying drawings. Example implementations can, however, be implemented in many different forms and should not be construed as limited to the implementations set forth herein; rather, these implementations are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example implementations to those skilled in the art. Like reference numerals in different drawings identify like or similar elements, and explicit descriptions of the same will be omitted.

[0021] The words expressing position and direction described in the present application are illustrated by taking the drawings as an example, but changes can also be made as needed, and the changes made are included in the protection scope of the present application.

[0022] Referring to Figures 1-3 The present application provides a kind of four seasons asymmetric EV car tire, including tread layer, the tread layer has opposite inner side and outer side, left side in drawing is inner side, the other end is outer side. Along the inner side and the outer side direction of tire tread, the surface of the tread layer is sequentially formed with spaced first block 1, second block 2, third block 3, fourth block 4 and fifth block 5, first straight groove 6 is formed between the first block 1 and the second block 2, second straight groove 7 is formed between the second block 2 and the third block 3, third straight groove 8 is formed between the third block 3 and the fourth block 4, fourth straight groove 9 is formed between the fourth block 4 and the fifth block 5. Wherein first block 1, second block 2, third block 3, fourth block 4 and fifth block 5 are all the block of the same horizontal direction on tire surface.

[0023] And straight ditch 10 is formed on the first block 1 and the fifth block 5, the width of the straight ditch 10 is less than the width of the first straight groove 6, or the second straight groove 7, or the third straight groove 8, or the fourth straight groove 9. Four straight grooves are annularly surrounded, when tire rolls, gas can directly flow out from the surface of straight groove, reduce the compression frequency of gas when tire surface contacts ground, thereby reducing the generation of noise, improve the riding experience of passenger and user.

[0024] In one embodiment, the first block 1 is provided with a separation pattern 11, one end of the separation pattern 11 is communicated with the first straight groove 6, and the other end is located on the first block 1 and is not communicated with the shoulder. Wherein, the separation pattern 11 is a slanting curve stripe, one end is located on the pattern surface of the first block 1, and the other end is communicated with the first straight groove 6, when tire contacts ground, air can pass through the separation pattern 11 and be discharged to the first straight groove 6 from one side, to avoid direct extrusion of tread and ground, reduce the compression frequency of air, and further reduce noise.

[0025] In one embodiment, in the rolling circumferential direction of the tire, the first blocks 1 are separated by a gradual pattern portion 12, the width of the gradual pattern portion 12 gradually decreases along the direction of the inner side of the tire tread towards the first straight groove 6. The two adjacent first blocks 1 are separated by a groove with decreasing width, when contacting the ground, the first blocks 1 can assist in assisting the ground and assisting in draining excess water, avoiding water flow to reduce friction.

[0026] In one embodiment, the second blocks 2 are formed with a partition pattern 13, the partition pattern 13 includes a first connecting portion 131 and a second connecting portion 132, the width of the first connecting portion 131 is greater than the width of the second connecting portion 132, and the first connecting portion 131 and the second straight groove 7 are communicated. The shape of the partition pattern 13 is, for example, a bar with thick and thin connections, and the partitioned second blocks 2 can provide stable grip when driving on the ground, and the dispersed particles can provide multidirectional friction. Avoid insufficient friction in other directions of the vehicle and side slip.

[0027] In one embodiment, the third blocks 3 are provided with a knife slot 14, and the opening of the knife slot 14 is communicated with the second straight groove 7. The shape of the knife slot 14 is a groove with an opening, when driving, the two adjacent third blocks 3 are connected by the blocks, and stable grip is provided at the middle position of the tire.

[0028] In one embodiment, the fifth blocks 5 are provided with a bending groove 15, and the bending groove 15 is communicated with the shoulder and the fourth straight groove 9. The bending groove 15 is located on the fifth block 5, which provides stable drainage performance, and the water flow can drain the water to the shoulder through the bending groove 15, and drain out to improve the grip performance of the tire.

[0029] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, and the ordinary skilled in the art can change, modify, replace and modify the above-mentioned embodiments without departing from the principles and purposes of the utility model, within the scope of the utility model, all these changes should belong to the protection scope of the utility model claim.

Claims

1. A four season asymmetric EV car tire characterized in that, The tread layer has opposite inner side and outer side, the surface of the tread layer is sequentially formed with spaced first pattern block, second pattern block, third pattern block, fourth pattern block and fifth pattern along the inner side and outer side direction of the tire tread, the first pattern block and the second pattern block form the first straight groove, the second pattern block and the third pattern block form the second straight groove, the third pattern block and the fourth pattern block form the third straight groove, the fourth pattern block and the fifth pattern block form the fourth straight groove; And the first pattern block and the fifth pattern block are provided with straight grooves, the width of the straight groove is less than the width of the first straight groove, or the second straight groove, or the third straight groove, or the fourth straight groove.

2. The four season asymmetric EV passenger car tire of claim 1, wherein, The first pattern block is provided with a separation groove, one end of the separation groove is communicated with the first straight groove, and the other end is located on the first pattern block and is not communicated with the shoulder.

3. The four season asymmetric EV passenger car tire of claim 2, wherein, In the rolling circumferential direction of the tire, adjacent first pattern blocks are separated by a gradual pattern, and the width of the gradual pattern gradually decreases along the inner side of the tire tread towards the first straight groove.

4. The four season asymmetric EV passenger car tire of claim 3, wherein, The second pattern block is formed with a partition groove, the partition groove includes a first connecting portion and a second connecting portion, the width of the first connecting portion is greater than the width of the second connecting portion, and the first connecting portion is communicated with the second straight groove.

5. The four season asymmetric EV passenger car tire of claim 1 wherein, The third pattern block is provided with a knife slot, and the opening of the knife slot is communicated with the second straight groove.

6. The four season asymmetric EV passenger car tire of claim 1 wherein, The fifth pattern block is provided with a bending groove, and the bending groove is communicated with the shoulder and the fourth straight groove.

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