CN220548887U - Medium-short-distance load-carrying block-shaped tire - Google Patents

Abstract

The utility model provides a middle-short-distance load-carrying block tire, which belongs to the field of tires and comprises transverse grooves, transverse ribs, longitudinal grooves and longitudinal ribs, wherein the transverse grooves extend from tire shoulders to the center of a tire tread, a plurality of elastic stone bulges with the same trend as the transverse grooves are arranged in the transverse grooves, the tire tread is divided into a plurality of block blocks by the transverse grooves, the transverse ribs, the longitudinal grooves and the longitudinal ribs, and each block is connected with each other. The utility model has the characteristics of further improving the driving performance, wear resistance, safety and comfort performance and the like of the tire on the premise of ensuring the basic performance of the tire, thereby prolonging the service life of the tire.

Description

Medium-short-distance load-carrying block-shaped tire

Technical Field

The utility model belongs to the field of tires, and particularly relates to a middle-short-distance load block tire.

Background

At present, with the continuous development of the automobile industry, the requirements of people on the automobile performance are higher and higher, and the tires are taken as indispensable components of the automobile and play an important role in the running process of the automobile. Therefore, the tire is required to have high adaptability in various aspects such as vehicle type, wheel position, road condition and the like, and the performance requirements of the automobile on the tire are mainly realized through tread patterns and internal structures of the tire, and different types of tire structures and patterns are required to be selected according to different using conditions. In particular, on the road of mining area, the special tire pattern for mine needs to be selected, the working characteristics of the tire are short running distance and heavy load, in order to meet the requirement of mining area on high load bearing performance of the tire, stronger driving performance, wear resistance, safety and comfort performance and the like are needed, while the driving performance, wear resistance and safety and comfort performance of the existing special tire for mine are poor, and the service life of the tire is reduced.

Therefore, on the premise of ensuring the basic performance of the tire, the driving performance, wear resistance, safety and comfort performance and the like of the tire are further improved, so that the service life of the tire is improved, which is a problem to be solved by a person skilled in the art.

Disclosure of Invention

The details of one or more embodiments of the utility model are set forth in the accompanying drawings and the description below to provide a more thorough understanding of the other features, objects, and advantages of the present application.

The utility model provides a middle-short-distance load-carrying block tire, which solves the technical problems of poor driving performance, wear resistance and safety and comfort performance of the existing special tire for mines and low service life of the tire, and has the characteristics of further improving the driving performance, wear resistance, safety and comfort performance and the like of the tire on the premise of ensuring the basic performance of the tire, thereby prolonging the service life of the tire.

The utility model discloses a middle-short-distance load-carrying block tire, which comprises a transverse groove, transverse ribs, a longitudinal groove and longitudinal ribs, wherein the transverse groove extends from a tire shoulder to a tire tread center, a first connecting part is defined at one side, close to the tire shoulder, of the transverse groove, a fourth connecting part is defined at one side, extending to the tire tread center, of the transverse groove, a second connecting part is defined at the upper side of the transverse groove, a third connecting part is defined at the lower side of the transverse groove, the first connecting part, the second connecting part, the third connecting part and the fourth connecting part are sequentially distributed from the tire shoulder to the tire tread center, the widths of the first connecting part, the second connecting part, the third connecting part and the fourth connecting part are sequentially decreased, and a plurality of elastic stone bulges with the same trend as the transverse groove are arranged in the transverse groove; the left end and the right end of the transverse rib respectively intersect with the fourth connecting parts of the transverse grooves on the left side and the right side of the tread, and the intersecting parts are arc-shaped; the upper end and the lower end of the longitudinal groove are respectively intersected with the fourth connecting parts of the transverse grooves on the left side and the right side of the tread, and the intersection is arc-shaped; one end of the longitudinal rib is intersected with the second connecting part of the transverse groove, the intersection is arc-shaped, the other end of the longitudinal rib is intersected with the third connecting part of the transverse groove, and the intersection is arc-shaped; the tread is divided into a plurality of block-shaped blocks by the transverse grooves, the transverse ribs, the longitudinal grooves and the longitudinal ribs, and each block-shaped block is connected with each other.

In some of these embodiments, the mid-short heavy duty block tire further comprises a shoulder rib, one end of the shoulder rib intersecting the first connection of the lateral groove, the other end of the shoulder rib intersecting a shoulder.

In some of these embodiments, the shoulder ribs have a groove depth less than the groove depth of the lateral grooves, and the lateral ribs, longitudinal grooves, longitudinal ribs have the same groove depth and are all less than the groove depth of the lateral grooves.

In some of these embodiments, the width of the first connection portion is L, the width of the second connection portion is 0.5mm smaller than the width of the first connection portion, the width of the third connection portion is 1.5mm smaller than the width of the first connection portion, the width of the fourth connection portion is 4mm smaller than the width of the first connection portion, and the groove wall angle of the lateral groove is 30 °.

In some embodiments, 3 stone-flicking protrusions are uniformly distributed in the transverse groove, the height of each stone-flicking protrusion is 4mm, the distance between every two adjacent stone-flicking protrusions is 6-10 mm, each bullet Dan Tuqi is in a rounded rectangle, and the edges of each stone-flicking protrusion and the groove wall of the transverse groove are in full-arc transition.

In some of these embodiments, the longitudinal groove is located at the tread center and is offset from the vertical direction of the tread center by an angle of 26 ° and the groove wall angle of the longitudinal groove is 18 °.

In some of these embodiments, the ratio of the channel wall angles of the longitudinal channels to the transverse channels is 3:5.

In some embodiments, the deflection angle of the longitudinal ribs is the same as the deflection angle of the longitudinal grooves and is parallel to each other, the bottoms of the longitudinal ribs are in arc transition, the groove wall angle is 18 degrees, and the depth of the longitudinal ribs is 40% of the depth of the transverse grooves.

In some of these embodiments, the ends of the lug intersect the ends of the longitudinal groove, and the lug has a depth that is 40% of the depth of the transverse groove and the shoulder lug has a depth that is 30% of the depth of the transverse groove.

In some embodiments, the tire shoulder is provided with a pattern depth scale, and the pattern depth scale is a three-gear pattern depth scale.

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

the utility model discloses a middle-short-distance load-carrying block tire, which is characterized in that a tire tread is divided into a plurality of block-shaped blocks through transverse grooves, transverse ribs, longitudinal grooves and longitudinal ribs, and each block-shaped block is connected with each other; the first connecting part, the second connecting part, the third connecting part and the fourth connecting part of the transverse grooves are intersected with the transverse ribs, the longitudinal grooves and the longitudinal ribs, and the intersection is arc-shaped, so that the contact area of the tire and the ground can be increased, the grip and the wear resistance of the tire can be improved, and meanwhile, the structural rigidity of the tread pattern can be improved, so that the pattern blocks are not easy to deform, the service life of the tire is prolonged, and the driving safety is improved; the grooves are internally provided with the plurality of stone-flicking bulges, so that stones can be discharged through the groove bottom stone-flicking bulges when the road surface stones are wrapped in the running process of the tire, the self-cleaning performance of the tire is improved, the groove bottom is effectively prevented from cracking, the damage to the tire caused by the groove bottom cracking is reduced, and the service life of the product is prolonged.

The utility model discloses a middle-short-distance heavy-duty block tire, which can effectively protect the block at the tire shoulder part and prevent the block from falling through designing tire shoulder ribs.

The utility model discloses a middle-short-distance load-carrying block tire, which is characterized in that the width of a transverse groove from a first connecting part to a fourth connecting part is gradually decreased, the angle of the groove wall is designed to be 30 degrees, and the driving force and the ground grabbing force of the tire can be improved through the design.

The utility model discloses a middle-short-distance load-carrying block tire, which is characterized in that the periphery of a stone-flicking protrusion in a transverse groove is in a round-angle rectangle, and the edge of the stone-flicking protrusion is in full-arc transition with the groove wall of the transverse groove, so that the tire can be effectively prevented from being cracked due to friction caused by the stone entering the bottom of the groove in the running process.

The utility model discloses a middle-short-distance load-carrying block tire, wherein a longitudinal groove and the vertical direction of the tread center form a deflection angle of 26 degrees, and the groove wall angle is 18 degrees, so that the segmented block pattern is attractive, and the integrity of the tread pattern and the rigidity of the pattern are ensured.

The utility model discloses a middle-short-distance load-carrying block tire, wherein the ratio of the groove wall angles of a longitudinal groove to a transverse groove is designed to be 3:5, so that the driving force of the tire and the adhesive force of the tire when a wet road surface runs can be improved, and the wet skid resistance can be improved.

The utility model discloses a middle-short-distance load-carrying block tire, wherein the deflection angle of a longitudinal rib and the deflection angle of a longitudinal groove are designed to be the same and parallel to each other, and the depth and the groove wall angle are the same, so that the uniformity of the pattern can be ensured, the effect of reducing noise can be achieved, the groove bottom of the longitudinal rib is subjected to arc transition, and the cracking or fracture of the rib can be effectively prevented.

The utility model discloses a middle-short-distance heavy-duty block tire, wherein the depth of a designed transverse pattern rib is 40% of the depth of a transverse groove, so that the uniformity of patterns can be ensured, the effect of reducing noise can be achieved, the depth of a tire shoulder pattern rib is 30% of the depth of the transverse groove, the deformation of the tire in the running process can be effectively reduced, the tire shoulder pattern blocks are protected, and the block falling is prevented.

The utility model discloses a middle-short-distance load-carrying block tire, wherein a tire shoulder is provided with a pattern depth scale, the pattern depth scale is a three-gear pattern depth scale, the abrasion degree of patterns can be clearly seen from the abrasion position of the scale, and when the abrasion of the patterns is lower than the minimum scale of the scale, a consumer is reminded to replace the tire in time, so that the use condition of the tire is more convenient for the consumer to know.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic view of a structure of a truck tire with a middle and short distance according to an embodiment of the present utility model;

in the above figures: 1-a lateral trench; 101-a first connection; 102-a second connection; 103-a third connection; 104-a fourth connection; 105-bullet Dan Tuqi; 2-transverse ribs; 3-longitudinal grooves; 4-longitudinal ribs; 5-shoulder ribs; 6, tire shoulder; 601-pattern depth scale.

Detailed Description

The present utility model will be described and illustrated with reference to the accompanying drawings and examples in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. All other embodiments, which can be made by a person of ordinary skill in the art based on the embodiments provided by the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.

The embodiment of the utility model provides a middle-short-distance load block tire, and fig. 1 is a schematic structural view of the middle-short-distance load block tire according to the embodiment of the utility model. Referring to fig. 1, the medium-short-distance heavy-duty block tire includes at least: the tire tread comprises a transverse groove 1, transverse ribs 2, longitudinal grooves 3 and longitudinal ribs 4, wherein the transverse groove 1 extends from a tire shoulder 6 to the center of the tire tread, a first connecting part 101 is defined on one side, close to the tire shoulder 6, of the transverse groove 1, a fourth connecting part 104 is defined on one side, extending to the center of the tire tread, of the transverse groove 1, a second connecting part 102 is defined on the upper side, extending downwards, of the transverse groove 1, a third connecting part 103 is defined on the lower side, the first connecting part 101, the second connecting part 102, the third connecting part 103 and the fourth connecting part 104 are sequentially distributed from the tire shoulder 6 to the center of the tire tread, the widths of the first connecting part 101, the second connecting part 102, the third connecting part 103 and the fourth connecting part 104 are sequentially decreased, and a plurality of boulders 105 which have the same trend as the transverse groove 1 are arranged in the transverse groove 1; the left and right ends of the transverse ribs 2 are intersected with the fourth connecting parts 104 of the transverse grooves 1 on the left and right sides of the tread respectively, and the intersection is arc-shaped; the upper and lower ends of the longitudinal groove 3 are respectively intersected with the fourth connecting parts 104 of the transverse grooves 1 at the left and right sides of the tread, and the intersection is arc-shaped; one end of the longitudinal rib 4 is intersected with the second connecting part 102 of the transverse groove 1, the intersection is arc-shaped, the other end of the longitudinal rib 4 is intersected with the third connecting part 103 of the transverse groove 1, and the intersection is arc-shaped; the tread is divided into a plurality of block blocks by the transverse grooves 1, the transverse ribs 2, the longitudinal grooves 3 and the longitudinal ribs 4, and each block is connected with each other; the tire tread is divided into a plurality of block-shaped blocks through the transverse grooves 1, the transverse ribs 2, the longitudinal grooves 3 and the longitudinal ribs 4, and each block-shaped block is connected with each other, so that the design not only shows the advantages of the block-shaped blocks, namely strong driving force and braking force, but also can increase the grounding area of the tire surface and improve the rigidity of the block-shaped blocks; the first connecting part 101, the second connecting part 102, the third connecting part 103 and the fourth connecting part 104 of the transverse groove 1 are intersected with the transverse ribs 2, the longitudinal grooves 3 and the longitudinal ribs 4, and the intersection is arc-shaped, so that the contact area between the tire and the ground can be increased, the grip and the wear resistance of the tire can be improved, and meanwhile, the structural rigidity of the tread pattern can be improved, so that the pattern blocks are not easy to deform, the service life of the tire is prolonged, and the driving safety is improved; the multiple stone-flicking bulges 105 are designed in the transverse groove 1, so that stones can be discharged through the groove bottom stone-flicking bulges 105 when the tire wraps road stones in the running process, the self-cleaning performance of the tire is improved, the cracking of the groove bottom is effectively prevented, the damage to the tire caused by the cracking of the groove bottom is reduced, and the service life of the product is prolonged.

Further, the middle-short-distance heavy-duty block tire further comprises a shoulder rib 5, wherein one end of the shoulder rib 5 is intersected with the first connecting part 101 of the transverse groove 1, and the other end of the shoulder rib 5 is intersected with the shoulder 6; the tread blocks at the tire shoulder 6 can be effectively protected by designing the tire shoulder tread ribs 5, and the tread blocks are prevented from falling.

Further, the groove depth of the shoulder rib 5 is smaller than the groove depth of the lateral groove 1, and the groove depths of the lateral rib 2, the longitudinal groove 3 and the longitudinal rib 4 are the same and are smaller than the groove depth of the lateral groove 1. The depth of the tire shoulder pattern rib 5 is smaller than the total pattern depth of the transverse groove 1, and the design not only plays a role in reinforcing the tire shoulder 6 by the reinforcing rib to prevent the tire shoulder pattern blocks from breaking, but also can enable the whole tire tread and the tire shoulder 6 to be in smooth transition, so that the whole tire is more attractive.

Further, the width of the first connection portion 101 is L, the width of the second connection portion 102 is 0.5mm smaller than the width of the first connection portion 101, the width of the third connection portion 103 is 1.5mm smaller than the width of the first connection portion 101, the width of the fourth connection portion 104 is 4mm smaller than the width of the first connection portion 101, and the groove wall angle of the lateral groove 1 is 30 °; this design can improve the driving force and the grip of the tire.

Further, 3 stone-flicking bulges 105 are uniformly distributed in the transverse groove 1, the height of each stone-flicking bulge 105 is 4mm, the distance between every two adjacent stone-flicking bulges 105 is 6-10 mm, each stone-flicking bulge Dan Tuqi is in a round rectangle, and the edge parts of each stone-flicking bulge 105 and the groove wall of the transverse groove 1 are in full-arc transition; the periphery of the stone-flicking protrusion 105 in the transverse groove 1 is in a round rectangle, and the edge of the stone-flicking protrusion 105 is in full arc transition with the groove wall of the transverse groove 1, so that the crack caused by the friction of stones entering the groove bottom in the running process of the tire can be effectively prevented.

Further, the longitudinal groove 3 is positioned at the tread center and forms a certain deflection angle with the vertical direction of the tread center, the deflection angle is 26 degrees, and the groove wall angle of the longitudinal groove 3 is 18 degrees; the longitudinal groove 3 and the vertical direction of the tread center form a deflection angle of 26 degrees, and the groove wall angle is 18 degrees, so that the segmented block pattern is attractive, and the tread pattern integrity and the pattern self rigidity are ensured.

Further, the ratio of the angles of the longitudinal grooves 3 to the transverse grooves 1 is 3:5; the design of the proportion can not only improve the driving force of the tire and the adhesive force during the running of the wet road surface, but also improve the wet skid resistance.

Further, the deflection angle of the longitudinal ribs 4 is the same as and parallel to the deflection angle of the longitudinal grooves 3, the bottoms of the longitudinal ribs 4 are in arc transition, the angle of the groove wall is 18 degrees, and the depth of the longitudinal ribs 4 is 40% of the depth of the transverse grooves 1; the deflection angles of the longitudinal ribs 4 and the deflection angles of the longitudinal grooves 3 are designed to be identical and parallel to each other, and the depth and the groove wall angle are identical, so that the uniformity of the patterns can be ensured, the effect of noise reduction can be achieved, the groove bottoms of the longitudinal ribs are subjected to arc transition, and the gaps or the breakage of the ribs can be effectively prevented.

Further, two ends of the transverse ribs 2 intersect with two ends of the longitudinal grooves 3, the depth of the transverse ribs 2 is 40% of the depth of the transverse grooves 1 as the depth of the longitudinal grooves 3, and the depth of the shoulder ribs 5 is 30% of the depth of the transverse grooves 1; the depth of the transverse ribs 2 is the same as the depth of the longitudinal grooves 3 and is 40% of the depth of the transverse grooves 1, so that the uniformity of the patterns can be ensured, the effect of reducing noise can be achieved, the depth of the tire shoulder ribs 5 is 30% of the depth of the transverse grooves 1, the deformation of the tire in the running process can be effectively reduced, and therefore the blocks at the 6 parts of the tire shoulder are protected, and the block falling is prevented.

Further, a pattern depth scale 601 is arranged on the tire shoulder 6, and the pattern depth scale 601 is a three-gear pattern depth scale; the design can be clear at a glance from the abrasion position of the staff gauge, and when the abrasion of the patterns is lower than the minimum scale of the staff gauge, a consumer is reminded to replace the tire in time, so that the consumer can know the service condition of the tire more conveniently.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. A medium and short haul truck tire block comprising:

a lateral groove extending from the tire shoulder to the tread center, one side of the lateral groove adjacent to the tire shoulder defining a first connecting portion, one side of the lateral groove extending to the tread center defining a fourth connecting portion, the lateral groove extending upward defining a second connecting portion, the lateral groove extending downward defining a third connecting portion, the widths of the first connecting part, the second connecting part, the third connecting part and the fourth connecting part are sequentially decreased from the tire shoulder to the center of the tire tread, and a plurality of stone ejection bulges with the same trend as the transverse grooves are arranged in the transverse grooves;

transverse ribs, wherein the left end and the right end of each transverse rib are intersected with the fourth connecting parts of the transverse grooves on the left side and the right side of the tread respectively, and the intersection is arc-shaped;

the upper end and the lower end of the longitudinal groove are respectively intersected with the fourth connecting parts of the transverse grooves on the left side and the right side of the tread, and the intersection is arc-shaped;

the first connecting part of the transverse groove is provided with a first connecting part, the second connecting part of the transverse groove is provided with a second connecting part, the first connecting part of the transverse groove is provided with a third connecting part, and the second connecting part of the transverse groove is provided with a third connecting part;

the tread is divided into a plurality of block-shaped blocks by the transverse grooves, the transverse ribs, the longitudinal grooves and the longitudinal ribs, and each block-shaped block is connected with each other.

2. The medium and short distance heavy duty block tire according to claim 1, further comprising a shoulder rib, one end of the shoulder rib intersecting the first connecting portion of the lateral groove, the other end of the shoulder rib intersecting a shoulder.

3. The medium and short distance heavy duty block tire according to claim 1, wherein the shoulder ribs have a groove depth smaller than the groove depth of the lateral grooves, and the lateral ribs, the longitudinal grooves, and the longitudinal ribs have the same groove depth and are each smaller than the groove depth of the lateral grooves.

4. The medium and short distance heavy duty block tire according to claim 1, wherein the width of the first connecting portion is L, the width of the second connecting portion is smaller than the width of the first connecting portion by 0.5mm, the width of the third connecting portion is smaller than the width of the first connecting portion by 1.5mm, the width of the fourth connecting portion is smaller than the width of the first connecting portion by 4mm, and the groove wall angle of the lateral groove is 30 °.

5. The middle-short-distance load-carrying block tire according to claim 4, wherein 3 bullet stone protrusions are uniformly distributed in the transverse groove, the height of each bullet stone protrusion is 4mm, the distance between every two adjacent bullet stone protrusions is 6-10 mm, each bullet Dan Tuqi is in a rounded rectangle, and the edge parts of the bullet stone protrusions and the groove walls of the transverse groove form full-arc transition.

6. The medium and short distance heavy duty block tire according to claim 5, wherein said longitudinal groove is located at said tread center at an angle of deflection from a vertical direction of said tread center, said deflection angle being 26 ° and a groove wall angle of said longitudinal groove being 18 °.

7. The medium and short haul truck tire according to claim 6, wherein the ratio of the longitudinal grooves to the lateral grooves has a groove wall angle of 3:5.

8. The medium and short distance heavy duty block tire according to claim 7, wherein the deflection angle of the longitudinal ribs is the same as the deflection angle of the longitudinal grooves and parallel to each other, the groove bottoms of the longitudinal ribs are subjected to arc transition, the groove wall angle is 18 degrees, and the depth of the longitudinal ribs is 40% of the depth of the transverse grooves.

9. The medium and short distance heavy duty block tire according to claim 2, wherein both ends of the lug intersects both ends of the longitudinal groove, and the lug has a depth equal to the longitudinal groove and 40% of the lug depth, and the shoulder lug has a depth of 30% of the lug depth.

10. The medium and short distance heavy duty block tire according to claim 2, wherein the tire shoulder is provided with a pattern depth scale, and the pattern depth scale is a three-gear pattern depth scale.