CN211592116U - Solid tyre - Google Patents

Abstract

The utility model belongs to the tire tread structure field and discloses a solid tire, wherein the pattern groove comprises main pattern grooves at two sides of the tread central line and auxiliary pattern grooves positioned between adjacent main pattern grooves at the same side; the tread between the main pattern groove and the auxiliary pattern groove forms pattern blocks, and the pattern blocks are of an integral structure; the main pattern groove and the auxiliary pattern groove are respectively in central symmetry, and the symmetric centers are respectively positioned on the central line of the tread; the main pattern groove and the auxiliary pattern groove extend to the tire side from a position close to the center line of the tire tread and respectively comprise an inclined part and a nearly horizontal part, the included angle between the upper wall line of the inclined part of the main pattern groove and the center line of the tire tread is 15-20 degrees, and the included angle between the lower wall line and the center line of the tire tread is 10-15 degrees; the included angle between the upper wall line of the main groove near the horizontal part and the central line of the tread is 80-85 degrees, and the included angle between the lower wall line and the central line of the tread is 75-80 degrees; the depth of the main grooves gradually increases from the position close to the center line of the tread to the tire side. The problem of solid tyre tread center wearing and tearing very fast is solved, wear resistance has been improved, and tire good heat dissipation, the noise is little.

Description

Solid tyre

Technical Field

The utility model belongs to the technical field of tire tread structure and specifically relates to a solid tyre.

Background

The solid tire is an industrial tire suitable for running vehicles under severe use conditions of low speed and high load. When the solid tire is used, the load is large, the road condition is harsh, and the requirements on the tire trafficability, the wear resistance, the rolling resistance and the heat buildup performance are high. However, since the solid tire is completely filled with the elastic rubber, abnormal wear phenomena such as rapid wear of the center of the tread and the like are likely to occur during high-load driving, and the tire has high heat generation and is not easy to dissipate heat, so that the wear of the tire is accelerated, and the durability is reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that solid tyre easily takes place wearing and tearing unusual, the slow problem of the high heat dissipation of themogenesis, the utility model provides a wear-resisting, good heat dissipation's solid tyre.

The utility model adopts the technical proposal that:

a solid tire comprises a pattern groove and pattern blocks, wherein the pattern groove comprises main pattern grooves on two sides of a tread center line and auxiliary pattern grooves positioned between adjacent main pattern grooves on the same side; the tread between the main pattern groove and the auxiliary pattern groove forms pattern blocks, and the pattern blocks are of an integral structure and penetrate through the whole tread; the main pattern groove and the auxiliary pattern groove are respectively in central symmetry, and the symmetry centers are respectively positioned on the central line of the tread; the main pattern groove and the auxiliary pattern groove extend to the side wall from a position close to the central line of the tread and respectively comprise an inclined part and a position close to the horizontal part, the included angle between the upper wall line of the inclined part of the main pattern groove and the central line of the tread is 15-20 degrees, and the included angle between the lower wall line and the central line of the tread is 10-15 degrees; the included angle between the upper wall line of the main groove close to the horizontal part and the central line of the tread is 80-85 degrees, and the included angle between the lower wall line and the central line of the tread is 75-80 degrees; the depth of the main grooves gradually increases from the position close to the center line of the tread to the tire side.

The inclined part trend of the main pattern groove of the utility model is consistent with the advancing direction of the tire, the friction force borne by the tire surface is small, the abrasion loss is reduced, and the wear resistance of the tire is improved; the trend of the nearly horizontal part of the main groove tends to be vertical to the advancing direction of the tire, and the friction force borne by the tire surface is large, so that the ground gripping traction of the tire is improved; meanwhile, the width of the main groove is gradually increased from the position close to the central line of the tread to the groove at the tire side, so that foreign matters such as sand and stones clamped into the groove can be discharged from the middle part of the tread to the edge part of the tread along the main groove, and the self-cleaning performance of the tire is improved. Therefore, the utility model discloses a main groove design makes the tire have higher wear resistance and good traction simultaneously to have fine automatically cleaning performance.

Preferably, the included angle between the upper wall line of the inclined secondary groove portion and the tread center line is 35-40 degrees, and the lower wall line of the inclined secondary groove portion is parallel to the upper wall line; preferably, the upper wall line of the near-horizontal portion of the secondary groove has an angle of 87 to 92 ° with the tread center line, and the lower wall line of the near-horizontal portion of the secondary groove is parallel to the upper wall line.

Preferably, the length ratio of the inclined part to the near-horizontal part of the main groove is 2-2.5: 1; the length ratio of the inclined part to the near horizontal part of the auxiliary groove is 2-2.5: 1.

Preferably, the included angle between the surface of the groove bottom of the inclined part of the main groove and the tread is 4-6 degrees; preferably, the groove wall angle of the end of the main groove close to the tread centerline is 15-20 °; the angle of the upper groove wall of the inclined part of the main pattern groove is 20-25 degrees, and the angle of the lower groove wall of the inclined part of the main pattern groove is 10-15 degrees; the groove wall angle of the main groove near the horizontal part is 5-10 degrees;

preferably, the secondary groove bottom is of full circular arc shape and the wall angle is 5-10 °.

Preferably, the main grooves are equal pitch patterns, and the sea-land ratio of the patterns is 70-75%.

The main pattern grooves of the utility model are distributed on both sides of the central line of the tread in a double-angle slant way, the tread between the main pattern grooves and the auxiliary pattern grooves forms pattern blocks, and the pattern blocks are of an integrated structure and run through the whole tread; the width and the depth of the main pattern groove are gradually increased from the position close to the central line of the tread to the pattern groove at the side wall, the common abnormal wear of the solid tire is that the center of the tread is worn quickly, the design of the main pattern groove with a shallow middle part, a narrow middle part and a deep side and a wide side ensures that the middle part of the tread of the tire has large rigidity and the pattern block has large area, and the defect of quick middle part wear is eliminated; in the using process of the tire, the contact area of the tire is gradually increased along with the increase of abrasion, so that the abrasion resistance of the tire is improved.

The arrangement of the auxiliary pattern groove improves the friction force between the tread and the ground, thereby improving the ground gripping, anti-skidding and traction performances of the tire; the trend of the auxiliary pattern groove near the horizontal part tends to be vertical to the advancing direction of the tire, which is also beneficial to improving the traction performance of the tire; simultaneously, the setting of assisting the tread groove has increased the heat radiating area of tire, prevents because solid tyre themogenesis is high and difficult heat dissipation, and the tire wearing and tearing that lead to accelerate to extension tire life improves the trafficability characteristic of tire.

The solid tyre provided by the utility model has undirectional patterns, the solid tyre alternately runs forward and backward frequently in the using process, and the undirectional pattern design ensures that the solid tyre can provide enough traction force and braking force no matter runs forward or backward; the main groove is gradually increased from the position close to the central line of the tread to the width and the depth of the groove at the position of the sidewall, the air pump effect can be eliminated, the mute effect is achieved, the angle design of the inclined part of the main groove and the position close to the central line of the tread makes the tire change from a small angle at the middle part of the tread to a large angle at the edge of the tread in the advancing direction, the width of the groove is gradually widened from the middle part of the tread to the edge, the air circulation and diffusion are more facilitated, and the noise pollution is overcome. Therefore, the utility model provides a solid tyre not only is applicable to outdoor environment, also is applicable indoor equally.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the main grooves and the auxiliary grooves of the present invention;

FIG. 3 is a schematic cross-sectional view taken along the direction of FIG. 1A-A';

FIG. 4 is a schematic cross-sectional view taken along the direction of FIG. 1B-B';

FIG. 5 is a schematic cross-sectional view taken along the direction of FIG. 1C-C';

fig. 6 is a schematic sectional view along the direction of D-D' in fig. 1.

Reference numerals: 1. main grooves; 11. a main groove inclined portion; 111. an upper wall line of the inclined part of the main pattern groove; 112. a lower wall line of the main groove inclined portion; 12. a main groove near the horizontal part; 121. the main pattern groove is close to the upper wall line of the horizontal part; 122. a lower wall line of the main pattern groove close to the horizontal part; 2. auxiliary pattern grooves; 21. an auxiliary groove inclined portion; 211. an auxiliary pattern groove inclined part upper wall line; 212. a lower wall line of the inclined portion of the auxiliary groove; 22. a near horizontal portion of the auxiliary pattern groove; 221. the auxiliary pattern groove is close to the upper wall line of the horizontal part; 222. the auxiliary pattern groove is close to the lower wall line of the horizontal part; 3. and (4) pattern blocks.

Detailed Description

In order to enable those skilled in the art to better understand the present invention, the following detailed description of the invention is provided in conjunction with the accompanying drawings.

A solid tire comprises grooves and pattern blocks, wherein the grooves comprise main grooves 1 on two sides of a tread center line and auxiliary grooves 2 positioned between adjacent main grooves on the same side; the tread between the main pattern groove and the auxiliary pattern groove forms a pattern block 3 which is of an integral structure and penetrates through the whole tread; the main pattern groove 1 and the auxiliary pattern groove 2 are respectively in central symmetry, and the symmetry centers are respectively positioned on the central line of the tread; the main pattern groove 1 and the auxiliary pattern groove 2 extend from the position close to the central line of the tread to the tire side, and both comprise an inclined part and a nearly horizontal part, the included angle between the upper wall line 111 of the inclined part 11 of the main pattern groove and the central line of the tread is alpha, the value of alpha is 15-20 degrees, the included angle between the lower wall line 112 and the central line of the tread is beta, and the value of beta is 10-15 degrees; the included angle between the upper wall line 121 of the main groove near-horizontal part 12 and the tread center line is gamma, the value of gamma is 80-85 degrees, the included angle between the lower wall line 122 and the tread center line is i, and the value of i is 75-80 degrees; the depth of the main grooves 1 gradually increases from the position close to the center line of the tread to the tire side.

The length ratio of the inclined part 11 to the near horizontal part 12 of the main groove is 2-2.5: 1; the length ratio of the inclined part 21 to the near horizontal part 22 of the auxiliary groove is 2-2.5: 1; the included angle between the surface of the groove bottom of the main groove inclined part 11 and the tread is zeta, and the zeta value is 4-6 degrees; the groove wall angle of the end part of the main groove 1 close to the central line of the tread is eta, and the eta value is 15-20 degrees; the upper groove wall angle of the main groove inclined part 11 is theta, the theta is 20-25 degrees, the lower groove wall angle is kappa, and the kappa is 10-15 degrees; the groove wall angle of the main groove near the horizontal part 12 is lambda, and the lambda value is 5-10 degrees; the main grooves 1 are equal pitch patterns, and the sea-land ratio of the patterns is 70-75%.

The included angle between the upper wall line 211 of the auxiliary groove inclined portion 21 and the tread center line is 35-40 degrees, and the lower wall line 212 of the auxiliary groove inclined portion 21 is parallel to the upper wall line 211; the included angle between the upper wall line 221 of the auxiliary groove near horizontal part 22 and the tread center line is 87-92 degrees, and the lower wall line 222 of the auxiliary groove near horizontal part 22 is parallel to the upper wall line 221; the groove bottom of the auxiliary pattern groove 2 is in a full circular arc shape, the angle of the groove wall is mu, and the value of mu is 5-10 degrees.

The solid tire provided by the utility model is introduced in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and concepts of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be subject to several improvements and modifications, which also fall within the scope of the claims of the present invention.

Claims (8)

1. A solid tire comprises grooves and pattern blocks, and is characterized in that the grooves comprise main grooves on two sides of a tread center line and auxiliary grooves positioned between adjacent main grooves on the same side; the tread between the main pattern groove and the auxiliary pattern groove forms pattern blocks, and the pattern blocks are of an integral structure and penetrate through the whole tread; the main pattern groove and the auxiliary pattern groove are respectively in central symmetry, and the symmetry centers are respectively positioned on the central line of the tread; the main pattern groove and the auxiliary pattern groove extend to the tire side from the position close to the center line of the tire tread and respectively comprise an inclined part and a near horizontal part; the included angle between the upper wall line of the main groove inclined part and the central line of the tread is 15-20 degrees, and the included angle between the lower wall line and the central line of the tread is 10-15 degrees; the included angle between the upper wall line of the main groove close to the horizontal part and the central line of the tread is 80-85 degrees, and the included angle between the lower wall line and the central line of the tread is 75-80 degrees; the depth of the main grooves gradually increases from the position close to the center line of the tread to the tire side.

2. A solid tire according to claim 1, wherein said inclined secondary groove portion has an upper wall line at an angle of 35 to 40 ° to the tread center line, and said inclined secondary groove portion has a lower wall line parallel to said upper wall line.

3. A solid tire according to claim 1 wherein the upper wall line of said near-horizontal secondary groove portion is at an angle of 87 to 92 ° to the tread centerline, and the lower wall line of said near-horizontal secondary groove portion is parallel to the upper wall line.

4. A solid tyre according to claim 1, wherein the ratio of the length of the inclined portion to the near-horizontal portion of the main groove is 2-2.5: 1; the length ratio of the inclined part to the near horizontal part of the auxiliary groove is 2-2.5: 1.

5. A solid tyre according to claim 1, wherein the angle between the plane of the inclined portion of the main groove and the tread is 4-6 °.

6. A solid tyre according to claim 1, wherein the main grooves have a groove wall angle of 15-20 ° at the end near the tread centre line; the angle of the upper groove wall of the inclined part of the main pattern groove is 20-25 degrees, and the angle of the lower groove wall of the inclined part of the main pattern groove is 10-15 degrees; the main groove wall angle close to the horizontal part is 5-10 degrees.

7. A solid tire according to claim 1 wherein said secondary groove bottom is fully circular arc shaped and the wall angle is 5 to 10 °.

8. A solid tyre as claimed in claim 1, wherein said main grooves have an equidistant pattern with a sea-land ratio of 70-75%.

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