Tyre for vehicle
阅读说明:本技术 一种轮胎 (Tyre for vehicle ) 是由 陆扬 张军 于 2019-11-14 设计创作,主要内容包括:本发明公开了一种轮胎,所述轮胎的胎面上设有多道横向沟槽,所述横向沟槽具有两个相互朝向的槽壁,所述横向沟槽的两个所述槽壁上各设有多个凸块和多个凹槽,同一所述横向沟槽的两个槽壁上的所述凸块和所述凹槽一一嵌合且互不接触;每个槽壁上的所述凸块和所述凹槽排成n排,每排上的所述凸块和所述凹槽沿横向一一交替排布,至少一所述横向沟槽的各排与另一所述横向沟槽的同排沿轮胎径向错开一定距离M;其中,n≥2,M>0。该方案,能够提升轮胎胎面的刚性,从而能够有效抑制胎面变形,并且能够保证胎面在合理的范围内发生不同程度的磨损时,胎面上始终有曲折的花纹存在,从而可以降低磨损对轮胎抓地力的不良影响、提升轮胎的抓地力。(The invention discloses a tire, wherein a plurality of transverse grooves are arranged on a tire tread of the tire, each transverse groove is provided with two groove walls facing to each other, a plurality of convex blocks and a plurality of grooves are respectively arranged on the two groove walls of each transverse groove, and the convex blocks and the grooves on the two groove walls of the same transverse groove are embedded one by one and are not contacted with each other; the convex blocks and the grooves on each groove wall are arranged in n rows, the convex blocks and the grooves on each row are alternately arranged one by one along the transverse direction, and each row of at least one transverse groove and the same row of the other transverse groove are staggered by a certain distance M along the radial direction of the tire; wherein n is more than or equal to 2, and M is more than 0. This scheme can promote the rigidity of tire tread to can effectively restrain the tread and warp, and can guarantee that the tread has tortuous decorative pattern to exist all the time when the wearing and tearing of different degrees take place at reasonable within range, thereby can reduce the wearing and tearing and grab the harmful effects of land fertility, promote the land fertility of grabbing of tire to the tire.)
1. A tire is characterized in that a plurality of transverse grooves are arranged on a tire tread of the tire, each transverse groove is provided with two groove walls facing to each other, a plurality of convex blocks and a plurality of grooves are respectively arranged on the two groove walls of each transverse groove, and the convex blocks and the grooves on the two groove walls of the same transverse groove are embedded one by one and are not contacted with each other;
the convex blocks and the grooves on each groove wall are arranged in n rows, the convex blocks and the grooves on each row are alternately arranged one by one along the transverse direction, and each row of at least one transverse groove and the same row of the other transverse groove are staggered by a certain distance M along the radial direction of the tire;
wherein n is more than or equal to 2, and M is more than 0.
2. The tyre according to claim 1, wherein said lugs of each row are equally spaced apart in the transverse direction, adjacent lugs being spaced apart by a distance P1, P1 ranging from: p1 is more than or equal to 1mm and less than or equal to 10 mm.
3. The tyre according to claim 1, wherein the grooves of each row are equally spaced apart in the transverse direction, adjacent grooves being spaced apart by a distance P2, P2 ranging from: p2 is more than or equal to 1mm and less than or equal to 10 mm.
4. The tire of claim 1, wherein the surface of the projection comprises a first side surface, a second side surface and a third side surface which are connected in sequence from the tire tread to the tire core, wherein the first side surface, the second side surface and the third side surface all extend in the transverse direction, and further comprises a first end surface connected to one end of the first side surface, a second end surface connected to the other end of the first side surface, the second side surface and the third end surface; the second side face is an arc-shaped face, and the first side face, the third side face, the first end face and the second end face are all planes;
the wall surface of the groove comprises a first side wall, a second side wall and a third side wall which are sequentially connected from the tire tread to the tire core of the tire, the first side wall, the second side wall and the third side wall extend along the transverse direction, and the first end wall is connected to one end of the first side wall, the second end wall is connected to the other end of the first side wall, the second side wall and the third side wall; the second side wall is an arc-shaped wall, and the first side wall, the third side wall, the first end wall and the second end wall are all flat walls.
5. The tire according to claim 4, wherein the angle between the first side surface and the groove wall body of the groove wall of the transverse groove is α, and the angle between the first side surface and the groove wall body of the groove wall of the transverse groove is α; the range of α is: alpha is more than or equal to 25 degrees and less than or equal to 40 degrees.
6. The tire according to claim 4, wherein the first end face and the second end face of the same lug are inclined to each other at a side away from the groove wall of the transverse groove, and the included angle between the first end face and the second end face is β, where β is in the range of: beta is more than or equal to 20 degrees and less than or equal to 80 degrees.
7. The tire according to claim 4, wherein the extended intersection of said first side and said second side of the same lug and a side edge of said first side facing away from the tire tread are at a distance D1 in the depth direction of said transverse groove; the distance between the extended intersection of the first sidewall and the second sidewall of the same groove and the side edge of the first sidewall away from the tire tread in the depth direction of the transverse groove is also D1, and the range of D1 is: d1 is not less than 1.5mm and not more than 5 mm.
8. The tire according to claim 7, wherein the distance between the extended intersection of the first side surface and the second side surface of the same lug and a side edge of the second side surface, which is away from the tire tread, in the depth direction of the transverse groove is D2; the distance between the extended intersection of the first and second sidewalls of the same groove and a side edge of the second sidewall away from the tire tread in the depth direction of the transverse groove is also D2, D2 ranging from: d2 is (0.2-1) D1.
9. Tyre according to any one of claims 1 to 8, characterized in that the distance of the groove wall bodies of the two groove walls of the transverse groove in the width direction of the transverse groove is W1, W1 ranging from: w1 is (0.03-0.08) × W, wherein W is the width of the widest groove on the tread.
10. The tire of claim 9 wherein the distance between the groove and the lug on the same wall of the lateral groove in the width direction of the lateral groove is W2, and W2 ranges from: w2 is (2-5) W1.
Technical Field
The invention relates to the technical field of tires, in particular to a tire.
Background
After a tire has been in use for a period of time, the tread wears, which results in a decrease in the grip of the tire.
After a tire has been in use for a period of time, the tread may also become deformed, which may exacerbate tread wear.
How to inhibit the deformation of the tread and improve the tire grip is a technical problem to be solved by the technical personnel in the field.
Disclosure of Invention
In order to solve the technical problems, the invention provides a tire, wherein a plurality of transverse grooves are arranged on a tire tread of the tire, each transverse groove is provided with two groove walls facing to each other, a plurality of convex blocks and a plurality of grooves are respectively arranged on the two groove walls of each transverse groove, and the convex blocks and the grooves on the two groove walls of the same transverse groove are embedded one by one and are not contacted with each other;
the convex blocks and the grooves on each groove wall are arranged in n rows, the convex blocks and the grooves on each row are alternately arranged one by one along the transverse direction, and each row of at least one transverse groove and the same row of the other transverse groove are staggered by a certain distance M along the radial direction of the tire;
wherein n is more than or equal to 2, and M is more than 0.
The two groove walls of the transverse groove of the tire are interlocked through the mutually embedded groove and the mutually embedded lug, so that the rigidity of the tire tread can be improved, and the deformation of the tire tread can be effectively inhibited. And each row of a transverse groove of the tire and the same row of another transverse groove of the tire are staggered by a certain distance along the radial direction of the tire, so that when the tire tread is worn to different degrees in a reasonable range, zigzag patterns exist on the tire tread all the time, the adverse effect of the wear on the tire grip force can be reduced, and the grip force of the tire is improved
The tire as described above, the lugs in each row are equally spaced in the lateral direction, the distance between adjacent lugs is P1, and the range of P1 is: p1 is more than or equal to 1mm and less than or equal to 10 mm.
The tire as described above, the grooves in each row are equally spaced in the lateral direction, the spacing distance between adjacent grooves is P2, and the range of P2 is: p2 is more than or equal to 1mm and less than or equal to 10 mm.
The surface of the lug comprises a first side surface, a second side surface and a third side surface which are sequentially connected from the tire tread to the tire core, wherein the first side surface, the second side surface and the third side surface extend along the transverse direction; the second side face is an arc-shaped face, and the first side face, the third side face, the first end face and the second end face are all planes;
the wall surface of the groove comprises a first side wall, a second side wall and a third side wall which are sequentially connected from the tire tread to the tire core of the tire, the first side wall, the second side wall and the third side wall extend along the transverse direction, and the first end wall is connected to one end of the first side wall, the second end wall is connected to the other end of the first side wall, the second side wall and the third side wall; the second side wall is an arc-shaped wall, and the first side wall, the third side wall, the first end wall and the second end wall are all flat walls.
In the tire, the included angle between the first side surface and the groove wall body of the groove wall of the transverse groove is alpha, and the included angle between the first side surface and the groove wall body of the groove wall of the transverse groove is also alpha; the range of α is: alpha is more than or equal to 25 degrees and less than or equal to 40 degrees.
In the tire, one side of the groove wall of the transverse groove, where the first end surface and the second end surface of the same bump are far away from, is inclined oppositely, the included angle between the first end surface and the second end surface is beta, and the range of beta is as follows: beta is more than or equal to 20 degrees and less than or equal to 80 degrees.
In the tire, the distance between the extended intersection line of the first side surface and the second side surface of the same lug and the side line of the first side surface far away from the tire tread along the depth direction of the transverse groove is D1; the distance between the extended intersection of the first sidewall and the second sidewall of the same groove and the side edge of the first sidewall away from the tire tread in the depth direction of the transverse groove is also D1, and the range of D1 is: d1 is not less than 1.5mm and not more than 5 mm.
In the tire, the distance between the extended intersection line of the first side surface and the second side surface of the same lug and the side line of the second side surface far away from the tire tread along the depth direction of the transverse groove is D2; the distance between the extended intersection of the first and second sidewalls of the same groove and a side edge of the second sidewall away from the tire tread in the depth direction of the transverse groove is also D2, D2 ranging from: d2 is (0.2-1) D1.
In the tire described above, the distance between the groove wall bodies of the two groove walls of the lateral groove in the width direction of the lateral groove is W1, and the range of W1 is: w1 is (0.03-0.08) × W, wherein W is the width of the widest groove on the tread.
In the tire as described above, the distance between the groove and the lug on the same groove wall of the lateral groove in the width direction of the lateral groove is W2, and the range of W2 is: w2 is (2-5) W1.
Drawings
FIG. 1 is a perspective view of a block of one embodiment of a tire provided by the present invention.
FIG. 2 is a schematic view of FIG. 1 cut in two at a transverse groove;
FIG. 3 is a view taken along line A of FIG. 2;
FIG. 4 is a transverse view of FIG. 1;
FIGS. 5 a-5 f are schematic views of the block of FIG. 1 worn to the a-, b-, c-, d-, e-, and f-plane positions, respectively;
FIG. 6 is an enlarged view of the bumps and grooves of FIG. 5;
FIG. 7 is a laterally enlarged view of one of the walls of the lateral groove;
fig. 8 is a sectional view taken along line B-B of fig. 5.
The reference numerals are explained below:
1, a transverse groove and 11 groove walls;
2 bump, 21 first side, 22 second side, 23 third side, 24 first end, 25 second end;
3 grooves, 31 first side wall, 32 second side wall, 33 third side wall, 34 first end wall, 35 second end wall.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution of the present invention is further described in detail below with reference to the accompanying drawings and the detailed description.
It should be noted that the lateral direction in the above and below refers to a direction parallel or substantially parallel to the axial direction of the tire.
As shown in fig. 1, the Tread of the tire is provided with a plurality of (i.e. two or more) transverse grooves 1, and specifically, the transverse grooves 1 are provided on blocks (Tread blocks) of the tire Tread. In the figure, only one block is shown, and three transverse grooves 1 are arranged on the block, in practical implementation, the number of the transverse grooves 1 arranged on each block is not limited to three, for example, one, two, four, five or more transverse grooves may be arranged flexibly according to the size of the block, and certainly, the transverse grooves 1 may not be arranged on individual blocks.
As shown in fig. 1, the transverse groove 1 has two
as shown in fig. 4, the
As shown in fig. 2 and 3, the grooves 3 and the
As shown in fig. 4, each row of at least one transverse groove 1 is offset from the same row of another transverse groove 1 by a distance M in the radial direction of the tire, M being greater than 0. As will be understood from fig. 4, in fig. 4, the 1 st, 2 nd, 3 rd, and 4 th rows of the left lateral groove 1 are respectively offset from the 1 st, 2 nd, 3 rd, and 4 th rows of the middle lateral groove 1 by a distance M in the tire radial direction. Set up like this, can guarantee that the tread has tortuous decorative pattern to exist all the time when the wearing and tearing of equidimension takes place for reasonable within range on the tread to can reduce the harmful effects that wearing and tearing grabbed the land fertility to the tire. As will be understood in connection with fig. 5 a-5 f, when the block is worn down to the a-plane, the two lateral grooves 1 present a zigzag pattern on the a-plane; when the block is worn to b-plane, the three lateral grooves 1 present a zigzag pattern on the b-plane; when the block is worn to the c-plane, one lateral groove 1 presents a zigzag pattern on the c-plane; when the block is worn to the d surface, the two transverse grooves 1 present a zigzag pattern on the d surface; when the block is worn to the e face, one lateral groove 1 presents a zigzag pattern on the e face; when the block is worn down to the f-plane, the two lateral grooves 1 present a zigzag pattern on the f-plane.
Therefore, the tire with the structure has the advantages of high rigidity, good deformation resistance, wear resistance, good ground holding force and the like.
Preferably, as shown in fig. 4, the distance between the groove wall bodies of the two
Preferably, as shown in fig. 4, the maximum distance between the groove 3 and the
Preferably, as shown in fig. 6, the surface of the
Meanwhile, as shown in fig. 6, the wall surfaces of the groove 3 include a first sidewall 31, a second sidewall 32, and a
The
Preferably, as shown in fig. 7, the extended intersection line of the
Specifically, as shown in fig. 7, the extended intersection line of the
Specifically, as shown in fig. 7, the
Preferably, as shown in fig. 8, the sides (upper side in fig. 8) of the
In fig. 8, the
Preferably, as shown in fig. 8, the
Preferably, as shown in fig. 8, the grooves 3 in each row are equally spaced in the transverse direction, and the adjacent grooves 3 are spaced apart by a distance P2. Preferably, the range of P2 is: p2 is more than or equal to 1mm and less than or equal to 10 mm. In this way, it is advantageous to improve the interlocking reliability of the two
The above description provides a tire according to the present invention. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
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