CN217227207U

CN217227207U - Trolley type tire pattern and tire

Info

Publication number: CN217227207U
Application number: CN202221310196.0U
Authority: CN
Inventors: 王君; 苏国庆; 刘俊杰; 李政方; 王振; 孙超; 高贞宏; 狄权
Original assignee: Qingdao Doublestar Tire Industry Co Ltd
Current assignee: Qingdao Doublestar Tire Industry Co Ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-08-19
Anticipated expiration: 2032-05-27

Abstract

The utility model provides a small vehicle tyre pattern, belonging to the technical field of tyre, comprising a longitudinal main ditch and a circumferential pattern block which extend along the circumferential direction of the tyre tread, wherein the longitudinal main ditch comprises a central main ditch, a first main ditch and a second main ditch; the circumferential pattern blocks comprise first shoulder pattern blocks, second shoulder pattern blocks, first middle pattern blocks and second middle pattern blocks; second shoulder transverse grooves are arranged on the second shoulder pattern blocks at intervals and are in a step shape, the depth of each step is half of the depth of the corresponding step, one end of each second shoulder transverse groove is arranged in a closed mode, the other end of each second shoulder transverse groove is communicated with the corresponding second main groove, and the width of each second shoulder transverse groove gradually narrows from the closed end to the extending direction of the corresponding second main groove. The utility model provides a current tire pattern can not satisfy miniature automobile tire's current market development demand's technical problem, have low rolling and hinder, low noise, good travelling comfort and drainage performance's characteristics.

Description

Trolley type tire pattern and tire

Technical Field

The utility model belongs to the technical field of the tire, especially, relate to a dolly type tire pattern and tire.

Background

At present, the minicars grow rapidly and become one of the fastest growing vehicle types in the automobile industry. Because the mini-car has certain advantages in the aspects of price, quality and the like, the mini-car has certain strength in the development market and becomes an important pulling force and a vitality force of the car production and consumption market.

In recent years, under the action of national industrial policies and market competition, the minicar industry meets new development opportunities, the potential market space is continuously expanded, and the overall industry level is greatly improved in increasingly severe competition. With this, the minicar industry has a new market feature, and the products are developed towards high-grade, environmental protection and safety.

However, the existing tire patterns are rough, and cannot meet the existing market development requirements of the miniature automobile tires. Accordingly, it is desirable to provide a tire tread having lower rolling resistance and lower noise to meet the above needs.

SUMMERY OF THE UTILITY MODEL

The details of one or more embodiments of the invention are set forth in the accompanying drawings and the description below to provide a more concise and understandable description of the other features, objects, and advantages of the application.

The utility model provides a dolly type tire decorative pattern and tire has solved current tire decorative pattern and can not satisfy miniature automobile tire's the technical problem of current market development demand, has low rolling and hinders, low noise, good travelling comfort and drainage performance's characteristics.

The utility model discloses a small car type tire pattern, including the longitudinal main ditch and the circumferential pattern block extending along the tire tread circumference, wherein, the longitudinal main ditch includes the central main ditch located in the center of the tire tread, the first main ditch located between the central main ditch and the outside tire shoulder, and the second main ditch located between the central main ditch and the inside tire shoulder; the circumferential pattern blocks comprise first shoulder pattern blocks positioned on the outer tire shoulder, second shoulder pattern blocks positioned on the inner tire shoulder, first middle pattern blocks positioned between the first shoulder pattern blocks and the central main groove, and second middle pattern blocks positioned between the second shoulder pattern blocks and the central main groove; second shoulder transverse grooves are arranged on the second shoulder pattern blocks at intervals and are in a step shape, the depth of each step is half of the depth of each step, one end of each second shoulder transverse groove is arranged in a closed mode, the other end of each second shoulder transverse groove is communicated with the corresponding second main groove, and the width of each second shoulder transverse groove gradually narrows from the closed end to the extending direction of the corresponding second main groove.

In some embodiments, the second shoulder blocks are further provided with shoulder steel sheets at intervals, the shoulder steel sheets are positioned between the adjacent second shoulder transverse grooves, one end of each shoulder steel sheet is arranged in a closed mode, and the other end of each shoulder steel sheet is communicated with the second main groove.

In some embodiments, the car-type tire pattern further comprises a transverse narrow groove which is of a wedge structure, one end of the transverse narrow groove is communicated with the adjacent longitudinal main groove, one end of the transverse narrow groove, which is far away from the longitudinal main groove, is arranged in a closed manner, the plane angle of the closed end of the transverse narrow groove is 9-9.4 degrees, the width of the longitudinal section of the transverse narrow groove is gradually narrowed from the tire surface to the groove bottom, the included angle of the side walls on two sides of the transverse narrow groove is 11.8-12.2 degrees, and the depth of the transverse section of the transverse narrow groove is gradually reduced from the longitudinal main groove to the extending direction of the closed end of the transverse narrow groove.

In some of these embodiments, the lateral sipes include a first lateral sipe located on a side of the first shoulder block adjacent to the first main sipe; the second transverse fine groove is positioned on one side, close to the first main groove, of the first middle pattern block; the third transverse fine groove is positioned on one side, close to the central main groove, of the first middle pattern block; the fourth transverse thin ditch is positioned on one side, close to the central main ditch, of the second middle pattern block; and the fifth transverse fine groove is positioned on one side of the second middle pattern block close to the second main groove.

In some embodiments, the third lateral sipe is offset from the second lateral sipe, and the fifth lateral sipe is offset from the fourth lateral sipe.

In some embodiments, the first shoulder blocks are provided with first shoulder transverse grooves at intervals, and two ends of the first shoulder transverse grooves are closed.

In some embodiments, a sound volume decorative pattern is arranged on one end of the first shoulder block close to the outer side of the shoulder at intervals.

In some of these embodiments, the dolly-type tread pattern employs three pitch widths.

The utility model discloses another aspect discloses a tire sets up above-mentioned dolly type tire decorative pattern on the tire tread.

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

(1) the shoulder transverse grooves on the inner side of the utility model are of a step semi-closed structure, which can reduce the rigidity of pattern blocks, reduce impact noise and prevent noise generated by air of the tire shoulder from spreading to the inside to a certain extent, improve drainage performance and improve braking capacity of the wetland; and the tire shoulder steel sheet is matched with the tire shoulder steel sheet, so that the rigidity of the tire shoulder is further reduced, and the comfort and the silencing effect of the tire are further improved.

(2) The shoulder transverse groove at the outer side of the utility model adopts a closed type tire shoulder design, thereby blocking the transmission of the noise of the tire shoulder to the maximum extent, providing better maneuverability and reducing rolling resistance; the closed transverse ditch is matched with the wedge-type transverse thin ditch facing to the longitudinal main ditch, so that the rigidity of the closed transverse ditch is reduced, the comfort is improved, and the impact noise is reduced; the outer shoulder is also provided with a volume decorative pattern, so that the attractiveness is improved, the mute performance of the tire can be improved, the heat dissipation area is increased to a certain degree, and excessive heating is controlled.

(3) The utility model discloses the horizontal ditch of wedge formula of middle part decorative pattern piece both sides cross distribution structure isotructure can effectively cut the water film, promotes the wetland performance, reduces the decorative pattern piece rigidity simultaneously, improves the tire travelling comfort and reduces the impulsive noise, and the wedge ditch of half pricking can guarantee that tire high speed performance is not destroyed moreover, reduces to roll and hinders.

Drawings

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

fig. 1 is a schematic structural view of a tire pattern of a car-type tire provided in an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a second shoulder transverse groove of a small tire tread provided in an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a longitudinal cross-section of a transverse sipe of a vehicle tire tread provided in an embodiment of the present invention;

fig. 4 is a cross-sectional view of a lateral sipe of a vehicle tire pattern provided in an embodiment of the present invention;

description of the drawings: 1. the tread comprises a first shoulder pattern block, 2, a first shoulder transverse groove, 3, a first main groove, 4, a first middle pattern block, 5, a central main groove, 6, a second middle pattern block, 7, a second main groove, 8, a second shoulder pattern block, 9, a second shoulder transverse groove, 10, a tire shoulder steel sheet, 11, a volume decorative pattern, 12, a first transverse thin groove, 13, a second transverse thin groove, 14, a third transverse thin groove, 15, a fourth transverse thin groove, 16 and a fifth transverse thin groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described and illustrated with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Based on the embodiments provided by the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

It is obvious that the drawings in the following description are only examples or embodiments of the invention, from which it is possible for a person skilled in the art to apply the invention to other similar situations without inventive effort. Moreover, it will be appreciated that in the development of any such actual embodiment, as in any specific implementation, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which will vary from one implementation to another.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one of ordinary skill in the art that the described embodiments of the present invention can be combined with other embodiments without conflict.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as is commonly understood by one of ordinary skill in the art to which this invention belongs. The present invention relates to the terms "comprises," "comprising," "includes," "including," "has," "having" and any variations thereof, and is intended to cover non-exclusive inclusions. The utility model relates to a "a plurality of" means two or more. "and/or" describe the association relationship of the associated objects, meaning that three relationships may exist. The terms "first," "second," "third," and the like in the description of the invention are used merely to distinguish between similar objects and not necessarily to represent a particular ordering for the objects.

The embodiment of the utility model provides a dolly type tire pattern and tire, figure 1 is according to the utility model discloses the structure schematic diagram of dolly type tire pattern and tire. Referring to fig. 1, the car-type tread pattern is an asymmetric structure and comprises longitudinal main grooves and circumferential blocks extending along the circumferential direction of the tread of the tire, wherein the longitudinal main grooves comprise a central main groove 5 positioned in the center of the tread, a first main groove 3 positioned between the central main groove 5 and the outer shoulder of the tire, and a second main groove 7 positioned between the central main groove 5 and the inner shoulder of the tire, wherein the width of the first main groove 3 is the same as that of the second main groove 7 and is larger than that of the central main groove 5; the circumferential pattern blocks comprise a first shoulder pattern block 1 positioned at the outer tire shoulder, a second shoulder pattern block 8 positioned at the inner tire shoulder, a first middle pattern block 4 positioned between the first shoulder pattern block 1 and the central main groove 5, and a second middle pattern block 6 positioned between the second shoulder pattern block 8 and the central main groove 5.

In the embodiment of the utility model, the second shoulder pattern blocks 8 are provided with parallel second shoulder transverse grooves 9 at intervals, wherein the cross sections of the second shoulder transverse grooves 9 are in a ladder shape, and the depth on the ladder is half of the depth under the ladder; one end of the second shoulder transverse groove 9 is closed, the other end of the second shoulder transverse groove is communicated with the second main groove 7, and the width of the second shoulder transverse groove gradually narrows from the closed end to the extending direction of the second main groove 7. By adopting the structure, the rigidity of the pattern blocks can be reduced, the noise generated by the air of the tire shoulder is prevented from being propagated to the inside to a certain extent while the impact noise is reduced, and the drainage performance and the wet land braking capability are improved. In order to further reduce the rigidity of the tire shoulder and further improve the comfort and the silencing effect of the tire, a tire shoulder steel sheet 10 is further arranged between the adjacent second shoulder transverse grooves 9 on the second shoulder pattern blocks 8, wherein one end of the tire shoulder steel sheet 10 is arranged in a closed mode, and the other end of the tire shoulder steel sheet is communicated with the second main groove 7.

The embodiment of the utility model provides a set up first shoulder crossheading 2 on the first shoulder decorative pattern piece 1, for closed structure, can block the transmission of child shoulder noise by the at utmost, provide better maneuverability simultaneously and reduce and roll the resistance. One side of the first shoulder pattern block 1 close to the first main groove 3 is provided with a first transverse thin groove 12 which is positioned between the adjacent first shoulder transverse grooves 2 and is of a wedge-type structure, one end of the first shoulder pattern block is arranged in a closed mode, the other end of the first shoulder pattern block faces the first main groove 3, the angle of a wedge plane is 9-9.4 degrees, the width of a longitudinal section of the first shoulder pattern block is gradually narrowed from a tire tread to the bottom of the groove, the included angle of side walls on two sides of the first shoulder pattern block is 11.8-12.2 degrees, the depth of the cross section of the first shoulder pattern block is gradually reduced from the longitudinal main groove to the extending direction of the closed end, and the position with the minimum depth is 2/3 with the maximum depth. The part, which is positioned between the adjacent first shoulder transverse grooves 2 on the first shoulder pattern blocks 1 and is close to the outer side of the shoulder, is also provided with a sound volume decorative pattern 11, so that the attractiveness is improved, the mute performance of the tire can be improved, the heat dissipation area is increased to a certain extent, and excessive heating is controlled.

In order to effectively cut the water film, promote wetland performance, reduce the decorative pattern piece rigidity simultaneously, improve the tire travelling comfort and reduce the noise of impact, the embodiment of the utility model provides a all set up the horizontal ditch the same with first horizontal ditch 12 structures on first middle part decorative pattern piece 4 and second middle part decorative pattern piece 6. Specifically, a second transverse thin groove 13 is arranged on one side of the first middle pattern block 4 close to the first main groove 3, a third transverse thin groove 14 is arranged on one side of the first middle pattern block 4 close to the central main groove 5, and the third transverse thin groove 13 and the second transverse thin groove 13 are arranged in a staggered mode; a fourth transverse thin groove 15 is arranged on one side, close to the central main groove 5, of the second middle pattern block 6, a fifth transverse thin groove 16 is arranged on one side, close to the second main groove 7, of the second middle pattern block 6, and the fifth transverse thin groove 16 and the fourth transverse thin groove 15 are arranged in a staggered mode. Moreover, the half-penetrated wedge groove can ensure that the high-speed performance of the tire is not damaged and reduce rolling resistance.

The utility model discloses use the horizontal slot of three vertical slots of equidimension not and shoulder as the main part, satisfy the drainage performance and the manipulation property of tire. The utility model discloses tire pattern adopts three kinds of pitch width, selects optimum arrangement through analog simulation, and noise reduction and rolling hinder promote the travelling comfort.

All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A small vehicle type tyre pattern is characterized in that: the tire tread comprises longitudinal main grooves and circumferential pattern blocks, wherein the longitudinal main grooves extend along the circumferential direction of the tire tread and comprise a central main groove (5) positioned in the center of the tire tread, a first main groove (3) positioned between the central main groove (5) and the outer tire shoulder, and a second main groove (7) positioned between the central main groove (5) and the inner tire shoulder; the circumferential pattern blocks comprise first shoulder pattern blocks (1) positioned at the outer tire shoulder, second shoulder pattern blocks (8) positioned at the inner tire shoulder, first middle pattern blocks (4) positioned between the first shoulder pattern blocks (1) and the central main groove (5), and second middle pattern blocks (6) positioned between the second shoulder pattern blocks (8) and the central main groove (5); second shoulder transverse grooves (9) are arranged on the second shoulder pattern blocks (8) at intervals and are in a step shape, the depth of each step is half of the depth of the corresponding step, one end of each second shoulder transverse groove (9) is arranged in a closed mode, the other end of each second shoulder transverse groove is communicated with the corresponding second main groove (7), and the width of each second shoulder transverse groove gradually narrows from the closed end to the extending direction of the corresponding second main groove (7).

2. The small vehicle tire tread pattern as defined in claim 1, wherein: and the second shoulder pattern blocks (8) are also provided with shoulder steel sheets (10) at intervals, the shoulder steel sheets (10) are positioned between the adjacent second shoulder transverse grooves (9), one end of each shoulder transverse groove is sealed, and the other end of each shoulder transverse groove is communicated with the second main groove (7).

3. The small vehicle tire tread pattern as defined in claim 1, wherein: the patterns of the car tire further comprise transverse thin grooves which are of wedge-type structures, one ends of the transverse thin grooves are communicated with the adjacent longitudinal main grooves, one ends of the transverse thin grooves far away from the longitudinal main grooves are arranged in a closed mode, the plane angle of the closed ends of the transverse thin grooves is 9-9.4 degrees, the width of the longitudinal sections of the transverse thin grooves is gradually narrowed from the tire surface to the bottoms of the grooves, the included angles of the side walls on two sides of the transverse thin grooves are 11.8-12.2 degrees, and the depth of the cross sections of the transverse thin grooves is gradually reduced from the longitudinal main grooves to the extending directions of the closed ends of the transverse thin grooves.

4. Tread for a vehicle tyre according to claim 3, characterized in that: the lateral thin groove comprises a first lateral thin groove (12) which is positioned on one side of the first shoulder pattern block (1) close to the first main groove (3); the second transverse thin ditch (13) is positioned on one side, close to the first main ditch (3), of the first middle pattern block (4); a third transverse thin ditch (14) is positioned on one side of the first middle pattern block (4) close to the central main ditch (5); the fourth transverse thin ditch (15) is positioned on one side, close to the central main ditch (5), of the second middle pattern block (6); and the fifth transverse fine groove (16) is positioned on one side, close to the second main groove (7), of the second middle pattern block (6).

5. Car tire tread according to claim 4, wherein: the third transverse fine groove (14) and the second transverse fine groove (13) are arranged in a staggered mode, and the fifth transverse fine groove (16) and the fourth transverse fine groove (15) are arranged in a staggered mode.

6. The small form factor tire tread as in claim 1, wherein: the first shoulder pattern blocks (1) are provided with first shoulder transverse grooves (2) at intervals, and two ends of the first shoulder transverse grooves are sealed.

7. The small form factor tire tread as in claim 1, wherein: and sound volume decorative patterns (11) are arranged at intervals at one end, close to the outer side of the tire shoulder, of the first shoulder pattern block (1).

8. The small form factor tire tread as in claim 1, wherein: the car type tire patterns adopt three pitch widths.

9. A tire, characterized by: the tyre tread is provided with a small vehicle tyre tread according to any one of claims 1 to 8.