CN108327465A - For pneumatic tire or the tyre surface block structure of tread strip - Google Patents

Abstract

The invention discloses a kind of tyre surface block structures for the tread strip being suitable for pneumatic tire or pneumatic tire.The tyre surface block structure includes：The middle part block of tyre surface block structure is extended through in a longitudinal direction；Main shoulder block；Secondary shoulder block；Main intermediate mass, the main intermediate mass are arranged in a lateral direction between some main shoulder blocks and middle part block；Secondary intermediate mass, the secondary intermediate mass are arranged in a lateral direction in some times between shoulder block and middle part block.Middle part block includes main lateral part and time lateral part so that：At least half of [A] main intermediate mass is arranged in a longitudinal direction between two main lateral parts of middle part block, and at least half of [B] secondary intermediate mass is arranged in a longitudinal direction between two lateral parts of middle part block.Tyre surface block structure can be arranged on pneumatic tire or tread strip.

Description

For pneumatic tire or the tyre surface block structure of tread strip

Technical field

Tread strip the present invention relates to vehicle tyre and for vehicle tyre.The present invention relates to tire tread or tyre surfaces Band.

Background technology

The surface of vehicle tyre forms tyre surface, when tire when in use, which forms with ground surface and is in rolling contact.Tyre surface It is responsible for earth-grasping force, maneuverability and other cornering abilities of tire.Tyre surface defines groove, which guides water and/or slush It walks to help the other parts earth-grasping force ground surface of tyre surface.Groove is between tread blocks.The performance of tire is constantly being sent out Exhibition.

Invention content

The object of the present invention is to provide a kind of formation tire tread or the tyre surface block structures of tyre tread band, are being taken turns when applying When on tire, earth-grasping force and maneuverability of the structural improvement on snow, ice and exposed road.

According to one embodiment, tyre surface block structure 200 includes：Middle part block 210, middle part block 210 is in a direction（SC, SL）On Tyre surface block structure 200 is extended through, the direction is perpendicular to horizontal direction（ST, AX）And perpendicular to the thickness of tyre surface block structure 200 Degree；Form the main shoulder block 220 of the first longitudinal direction boundary B 1 of tyre surface block structure 200；Form the second longitudinal direction side of tyre surface block structure 200 The secondary shoulder block 230 of boundary B2；Main intermediate mass 240, main intermediate mass 240 is in horizontal direction（ST, AX）It is upper to be arranged in some main shoulder blocks 220 Between middle part block 210；Secondary intermediate mass 250, secondary intermediate mass 250 is in horizontal direction（ST, AX）Upper setting is in some shoulder block 230 Between middle part block 210.Each block of tyre surface block structure 200（210,220,230,240,250）Pass through one of main line 310 Divide another piece with tyre surface block structure 200（210,220,230,240,250）It separates.Middle part block 210 includes main lateral part 212 With secondary lateral part 214 so that：At least half of [A] main intermediate mass 240 is in a direction（SC, SL）It is upper to be arranged in middle part block 210 Two main lateral parts 212 between, the direction（SC, SL）Perpendicular to horizontal direction（ST, AX）And perpendicular to tyre surface agllutination The thickness of structure 200；And at least half of [B] secondary intermediate mass 250 is in a direction（SC, SL）On be arranged the two of middle part block 210 Between a secondary lateral part 214, the direction（SC, SL）Perpendicular to horizontal direction（ST, AX）And perpendicular to tyre surface block structure 200 Thickness.Tyre surface block structure 200 can be arranged on pneumatic tire 100 or tread strip 150.

The embodiment and other embodiment are disclosed in appended claims and explanation.

Description of the drawings

Fig. 1 a show that a kind of pneumatic tire with tyre surface block structure, the tyre surface block structure form the tyre surface of tire.

Fig. 1 b are shown applies tread strip on the prefabricated component of tire.

Fig. 1 c show the half of the cross section of tire.

Fig. 2 a show a part for the tyre surface of tire in a top view.

Fig. 2 b show a part for the tyre surface of tread strip in the perspective.

Fig. 2 c show a part for the tyre surface of tire or tread strip in a top view.

Fig. 2 d are illustrated in greater detail in side view in tyre surface groove ends in the block.

Fig. 2 e are illustrated in greater detail in a top view in tyre surface groove ends in the block.

Fig. 3 a to Fig. 3 c show a section in a top view（pitch）, that is, a part for tyre surface block structure.

Fig. 4 to Fig. 7 shows a part for tyre surface block structure in a top view.

Two symmetric parts that Fig. 8 shows tyre surface and its is divided into.

Specific implementation mode

Fig. 1 a show the pneumatic tire 100 with tyre surface block structure 200, which forms tire 100 Tyre surface 170.Tire 100（Or tread strip 150）Tyre surface 170 refer to and ground surface 900（For example, road or ground surface）Contact Tire circumference on rubber.Tyre surface 170 means for being in rolling contact with ground surface 900.Tyre surface 170 is tyre surface block structure 200 top surface.

The direction of rotation of tire 100 is indicated by arrow R.The direction of rotation is parallel with direction extending circumferentially around the tire SC.Tire 100 Axially and radially direction indicated respectively by AX and SR.For example, tyre surface block structure 200 can be formed in tire in a molding process On 100.The longitudinal direction of tyre surface block structure is parallel with the circumferencial direction SC of pneumatic tire 100, and circumferentially SC is curved It is bent.In addition, at each point, the longitudinal direction of tyre surface block structure（That is, circumferencial direction SC）Perpendicular to horizontal direction AX and hang down Directly in the thickness of tyre surface block structure 200.

As the alternative solution of molding, can be applied to tread strip 150 on the prefabricated component 110 of tire has to be formed The tire 100 of tyre surface.B referring to Fig.1, tread strip 150 can be the bands extended on longitudinal direction SL.Herein, Zong Xiangfang To SL perpendicular to horizontal direction ST and perpendicular to the thickness of tread strip 150.

When being applied on prefabricated component 110, the circumferencial direction SC of the prefabricated component 110 and longitudinal direction SL of tread strip 150 is flat Row.Tread strip also has horizontal direction ST, is configured to parallel with the axial direction A X of prefabricated component 110.The tire of tread strip 150 Face 170 faces outwardly, and forms the tyre surface 170 of tire 100.By this method, tread strip 150 further includes the tire to form tyre surface 170 Face block structure 200.

Fig. 1 c show the half of 100 cross section of pneumatic tire.Tyre surface 170 includes the first and the of tyre surface block structure 200 Two longitudinal boundaries（Fen Do are B1 and B2）, and tyre surface 170 is between these boundaries.Horizontal direction ST and axial direction A X is flat Row.Radial direction SR and the normal of tyre surface 170 are substantially parallel, and with tyre surface block structure 200（Or the tread strip being applied in 150）Thickness it is parallel.Circumferencial direction SC is vertical with the plane of Fig. 1 c（Also ginseng Fig. 1 a and 1b）.

The longitudinal direction of tyre surface block structure 200（SL, SC）It is parallel to the longitudinal direction SL of tread strip 150 or is parallel to inflation The circumferencial direction of tire 100, depending on structure 200 whether be tread strip 150 or pneumatic tire 100 a part.With rotation side To R on the contrary, longitudinal direction（SL, SC）Any longitudinal direction can be referred to.The horizontal direction of tyre surface block structure 200（ST, AX）It is parallel In tread strip 150 horizontal direction ST or be parallel to the axial direction A X of pneumatic tire 100, whether be tire depending on structure 200 A part for face band 150 or pneumatic tire 100.The thickness of tyre surface block structure 200 and the radial direction SR of pneumatic tire 100 or tire The thickness of face band 150 is parallel.

Fig. 2 a illustrate in greater detail the tyre surface 170 of pneumatic tire 100.Fig. 2 b are schematically shown as tread strip The tyre surface 170 on 150 surface.Tyre surface 170 is formed by tyre surface block structure 200.Fig. 2 c illustrate in greater detail tyre surface block structure 200.Tyre surface block structure 200 includes：

Middle part block 210, middle part block 210 extend through tyre surface block structure 200 on longitudinal direction SL, longitudinal direction SL perpendicular to Horizontal direction ST, AX, and perpendicular to the thickness of tyre surface block structure 200；

Form the main shoulder block 220 of the first longitudinal direction boundary B 1 of tyre surface block structure 200；

Form the secondary shoulder block 230 of the second longitudinal direction boundary B 2 of tyre surface block structure 200；

Main intermediate mass 240, main intermediate mass 240 are arranged on horizontal direction ST, AX in some main shoulder blocks 220 and middle part block 210 Between；And

Secondary intermediate mass 250, secondary intermediate mass 250 are arranged on horizontal direction ST, AX in some shoulder block 230 and middle part block 210 Between.

The first longitudinal direction boundary B 1 of tyre surface block structure 200 is the outer boundary of tyre surface block structure 200.Tyre surface block structure 200 Second longitudinal direction boundary B 2 is the outer boundary of tyre surface block structure 200.Second longitudinal direction boundary B 2 is oppositely arranged with first longitudinal direction boundary B 1. Tread blocks structure is between first longitudinal direction boundary B 1 and second longitudinal direction boundary B 2.

When tyre surface block structure 200 is arranged on pneumatic tire 100, the diameter of the thickness and tire 100 of tyre surface block structure 200 It is parallel to direction, and（Tyre surface block structure）Horizontal direction ST, AX are parallel with the axial direction of tire.When tyre surface block structure 200 are arranged when on tread strip 150, and the thickness of tyre surface block structure 200 is parallel with the thickness of tread strip 150, and（Tyre surface agllutination Structure）Horizontal direction ST, AX are parallel with the horizontal direction ST of tread strip 150.

Term " block " refers to a part for tyre surface block structure, is separated by a part and other blocks for main line 310. Therefore, the line that each two point of tread blocks can not span across main line 310 by one（It is not necessarily straight line）Connection.The line is in tire Extend in the block of face.Accordingly, the line of tread blocks being a little only capable of by extending into and across main line 310 in tyre surface block structure （It is not necessarily straight line）It is connected to a bit of another tread blocks.Term " ... it is interior to extend " mean the line not from a tread blocks Extend to another tread blocks above tyre surface or below tyre surface.In other words, term " across " is referred to when projecting on tyre surface, The projection of line and grooves.By this method, each block of tyre surface block structure 200（210,220,230,240,250）Pass through master A part for groove 310 and another block of tyre surface block structure 200（210,220,230,240,250）Separation.Main line has Depth and width.The depth of main line can be at least 6 millimeters, for example, at least 8 millimeters.The width of main line can be at least 1 Millimeter, for example, at least 1.5 millimeters or at least 2 millimeters.Tread blocks can include one or more siping（sipe）, wide Degree is usually smaller.By this method, in one embodiment, each block of tyre surface block structure 200（210,220,230,240,250） Pass through the part of main line 310 and another piece of tyre surface block structure 200（210,220,230,240,250）It separates, wherein main The minimum widith of a part for groove 310 is at least 1 millimeter, for example, at least 1.5 millimeters or at least 2 millimeters.By this method, exist In one embodiment, each block of tyre surface block structure 200（210,220,230,240,250）Pass through a part for main line 310 With another piece of tyre surface block structure 200（210,220,230,240,250）It separates, wherein the minimum of a part for main line 310 Depth is at least 5 millimeters, for example, at least 6 millimeters or at least 8 millimeters.

Middle part block 210 is extended continuously on longitudinal direction SL, SC.On tread strip 150, middle part block 210 is continuous from one end Extend to the other end.On tire 100, middle part block 210 surrounds the circumferentially continuous extension of tire 100.Herein, it is extended continuously Mean that middle part block 210 is only a block, therefore it is not the multi-blocked structure separated by main line.

In one embodiment, a part for main intermediate mass 240 and the cross in a part for the main intermediate mass 240 is being set Between main shoulder block 220 on direction, tread blocks are not provided on horizontal direction AX, ST.Herein, the main intermediate mass 240 part is referred to closest to the part of first longitudinal direction boundary B 1.In one embodiment, in main intermediate mass 240 in Between portion's block 210, it is not provided with tread blocks in a lateral direction.

In one embodiment, a part for secondary intermediate mass 250 and the cross in a part for the secondary intermediate mass 250 is being set Between secondary shoulder block 230 on direction, tread blocks are not provided on horizontal direction AX, ST.Herein, the secondary intermediate mass 250 part is referred to closest to the part of second longitudinal direction boundary B 2.In one embodiment, in secondary intermediate mass 250 in Between portion's block 210, it is not provided with tread blocks in a lateral direction.

The middle part block 210 of tyre surface block structure 200 includes main lateral part 212 and time lateral part 214, so that：

On the direction SC perpendicular to horizontal direction ST, AX and perpendicular to the thickness of tyre surface block structure 200, SL, main centre At least half of block 240 is arranged between two main lateral parts 212 of middle part block 210, and

On the direction SC perpendicular to horizontal direction ST, AX and perpendicular to the thickness of tyre surface block structure 200, SL, secondary centre At least half of block 250 is arranged between two lateral parts 214 of middle part block 210.

In one embodiment, in the side of the thickness perpendicular to horizontal direction ST, AX and perpendicular to tyre surface block structure 200 To SC, on SL, at least the 60% of main intermediate mass 240 or at least 70% be arranged two main lateral parts 212 of middle part block 210 it Between.

In one embodiment, in the side of the thickness perpendicular to horizontal direction ST, AX and perpendicular to tyre surface block structure 200 To SC, on SL, at least the 60% of secondary intermediate mass 250 or at least 70% be arranged two lateral parts 214 of middle part block 210 it Between.

In order to be arranged between lateral part 212,214 intermediate mass 240,250 at least half, at least 60% or at least 70%, the width of middle part block 210（When being measured on horizontal direction ST, AX）Should be compared with the width of tyre surface block structure 200 It is appropriate.In one embodiment, the width of middle part block 210（WM, Fig. 2 c）It is 200 width of tyre surface block structure（W, Fig. 2 c）Extremely Few a quarter（25%）.In one embodiment, the width WM of middle part block 210 is at least three points of the width W of tyre surface block structure One of（33%）Or at least 40%.

In one embodiment, tread blocks be configured such that each main intermediate mass 240 at least half, at least 60% or At least 70% is arranged on aforementioned direction SC, SL in the first main lateral part 212 of middle part block 210 and the second main lateral part 212 Between.In one embodiment, between the first main lateral part 212 and the second main lateral part 212, in aforementioned direction SC, On SL, other tread blocks are not provided with other than main intermediate mass 240.Herein, the first main lateral part 212 and the second main cross Two are also referred to closest to mutual main lateral part 212 to part 212.

In one embodiment, tread blocks be configured such that each secondary intermediate mass 250 at least half, at least 60% or At least 70% is arranged on aforementioned direction SC, SL in the first time lateral part 214 and second of lateral part 214 of middle part block 210 Between.In one embodiment, first time lateral part 214 and second of lateral part 214 between, in aforementioned direction SC, On SL, other tread blocks are not provided with other than secondary intermediate mass 250.Herein, first time lateral part 214 and second of cross Two are also referred to closest to mutual secondary lateral part 214 to part 214.

In one embodiment, block 210 in the middle part of this in a part for the main lateral part 212 of middle part block 210 and setting Main lateral part 212 a part horizontal direction on main shoulder block 220 between, be not provided on horizontal direction AX, ST Tread blocks.Herein, a part for the main lateral part 212 of the middle part block 210 is referred to closest to first longitudinal direction boundary B 1 Part.

In one embodiment, block 210 in the middle part of this in a part for the secondary lateral part 214 of middle part block 210 and setting Secondary lateral part 214 a part horizontal direction on secondary shoulder block 230 between, be not provided on horizontal direction AX, ST Tread blocks.Herein, a part for the secondary lateral part 214 of the middle part block 210 is referred to closest to second longitudinal direction boundary B 2 Part.

Tread strip 150 includes tyre surface block structure 200.Pneumatic tire 100 includes tyre surface block structure 200.Pneumatic tire 100 wraps The tread strip 150 for including cylindrical section 110 and being arranged on the cylindrical section 110 so that the formation of tyre surface 170 of tread strip 150 is filled The tyre surface 170 of air filled tyre 100.The tyre surface 170 of pneumatic tire 100 means for being in rolling contact with ground surface 900.

Have been noted that, when middle part block 210 it is very wide so that winner's intermediate mass 240 at least half（Or at least 60% or At least 70%）And at least half of secondary intermediate mass 250（Or at least 60% or at least 70%）Between lateral part 212,214 When, middle part block 210 is appropriate rigidity in a lateral direction.Moreover, the rigidity improves the maneuverability of vehicle, especially travel In bend.However, since intermediate mass 240,250 is separated with middle part block 210 by a part for main line, so main line Corresponding part improves earth-grasping force in a lateral direction.It is assumed that ground surface 900 is bitten at the edge of block securely.Further, since At least half of main intermediate mass 240 and secondary intermediate mass 250（Or at least 60% or at least 70%）Between part 212,214, institute With the long edge appropriate of tread blocks earth-grasping force is also improved on circumferencial direction SC.

In one embodiment, in longitudinal direction or circumferencial direction（SL, SC）On, at least in the case of tread strip 150 Other than first and the last one main intermediate mass 240, at least part of each main intermediate mass 240（For example, at least one Half, at least 60% or at least 70%）It is arranged in this direction between two main lateral parts 212 of middle part block 210.One In a embodiment, in longitudinal direction or circumferencial direction（SL, SC）On, at least in the case of tread strip 150 in addition to first and Other than the last one intermediate mass 250, at least part of each intermediate mass 250（For example, at least half, at least 60% or At least 70%）It is arranged in this direction between two lateral parts 214 of middle part block 210.This can be seen in figure 2b First of sample and block 240,250 between the last one.

Referring to Fig. 2 c, in one embodiment,

At least some main intermediate mass 240, and/or

At least some main lateral parts 212 of middle part block 210

It is provided with the end wall of the side wall and groove 320 of groove 320 so that groove 320 has by the tread blocks with the groove 320 （240,210）The first end 322 of restriction.Groove 320 further has second end 324, second end 324 to connect main groove parts 310. First end 322 is to close, and second end 324 is opened to main groove parts 310.

Referring still to Fig. 2 c, in one embodiment,

At least some secondary intermediate mass 250, and/or

At least some secondary lateral parts 214 of middle part block 210

It is provided with the end wall of the side wall and groove 320 of groove 320 so that groove 320 has by the tread blocks with the groove 320 （250,210）The first end 322 of restriction.Groove 320 further has second end 324, second end 324 to connect main groove parts 310. First end 322 is to close, and second end 324 is opened to main groove parts 310.

Groove 320 is used as the upper earth-grasping force boost motor of snow.Groove 320 improves the upper earth-grasping force of snow, but still maintains tyre surface The stability of block structure 200.Tyre surface block structure 200 can be by forming, to be carried for tread blocks from the different layers of belt protrusion For support, improve on black road（black roads）On stability, and still improve the earth-grasping force on snow and ice surface. With reference to Fig. 2 d, when tyre surface block structure 200 is formed by multilayer, by tread blocks（240,250,212,214）It limits and terminates in Tread blocks（240,250,212,214）In groove 320 have non-constant depth.For example, the side wall of groove 320 can be opposite In the bottom angled of groove, as shown in Figure 2 e.In alternative solution, the side wall of groove 320 may include ladder.Implement at one In example（See Fig. 2 d）, groove 320 is with inclined bottom.The bottom of groove 320 declines towards second end 324.

In one embodiment, at least there are two different depth for groove 320.For example, groove 320 is at second end 324 It can be deeper than at first end 322.In one embodiment, groove 320 has at least three different depth.It should（At least two Or at least three）Each of different depth be at least 0.5 millimeter and from other other each different depth differ to It is 0.5 millimeter few.In one embodiment, groove 320 connects main groove parts 310 at following points：At this point, tap drain groove portion 310 longitudinal direction D310 and horizontal direction ST, AX is divided to form at most 60 degree of angle.

With reference to Fig. 2 e, in one embodiment, at least some main intermediate mass 240 are provided with the first direction in groove opening Open groove 320 on DGO1, and at least some main lateral parts 212 of middle part block 210 are provided with the of groove opening Open groove 320 on two direction DGO2.Angle between first direction DGO1 and second direction DGO2 can be more than 120 degree, For example, more than 150 degree.Therefore, the direction DGO2 phases opened towards it with the groove 320 of the main lateral part 212 of middle part block 210 Than the groove 320 of main intermediate mass 240 can be opened towards essentially the inverse direction DGO1.

In one embodiment, at least some secondary intermediate mass 250 are provided with the opening on the third direction of groove opening Groove 320, and at least some secondary lateral parts 214 of middle part block 210 are provided with and are opened in the fourth direction of groove opening Groove 320.Angle between third direction and fourth direction can be more than 120 degree, for example, more than 150 degree.Therefore, with middle part The direction of the groove 320 of the secondary lateral part 214 of block 210 towards its opening is compared, and the groove 320 of secondary intermediate mass 250 can court It is opened to essentially the inverse direction.

In one embodiment, at least 25% or at least the 50% of main intermediate mass 240 is provided in the main intermediate mass of correspondence 240 Groove 320 with end.In one embodiment, at least 25% or at least the 50% of secondary intermediate mass 250 is provided at corresponding time Groove 320 with end in intermediate mass 250.In one embodiment, at least the 25% of the main lateral part 212 of middle part block 210 Or at least 50% be provided with the groove 320 with end in the main lateral part of correspondence 212.In one embodiment, middle part block At least the 25% of 210 secondary lateral part 214 or at least 50% is provided with the groove with end in corresponding lateral part 214 320.In one embodiment, at least some main intermediate mass 240, at least some secondary intermediate mass 250, at least some middle part blocks 210 Main lateral part 212 and the secondary lateral parts 214 of at least some middle part blocks 210 be provided with the groove 320 with end.Ditch The end of slot 320 can be arranged in the corresponding blocks for being provided with the groove 320.

Fig. 3 a show the direction of tread blocks in tyre surface block structure 200.Fig. 3 a show section 400, that is, tyre surface block structure 200 part.With reference to Fig. 3 a, the longitudinal direction D212 of the main lateral part 212 of middle part block 210 in the main lateral part 212 Upper extension.The first leading role α 1 that the longitudinal direction D212 of main lateral part and horizontal direction ST, AX are formed from 10 degree to 60 degree.This The angle of sample can be applied to each main lateral part 212.In this case, each of main lateral part discussed is vertical The angle formed from 10 degree to 60 degree to direction D212 and horizontal direction ST, AX.Horizontal direction ST, AX and each main transverse part It can be constant to divide the angle between 212 longitudinal direction D212.If angle [alpha] 1 is excessive, the earth-grasping force of tyre surface will subtract It is few, because the edge of the part 212 becomes generally longitudinally.If angle [alpha] 1 is too small, the part 212 and 214 V-arrangement angle will Effectively water and/or slush can not be drained from below tyre surface 170.This problem will be discussed in more detail later.

In one embodiment, longitudinal direction D214 of block 210 lateral parts 214 in middle part in the secondary lateral part 214 Upper extension.The longitudinal direction D214 of the secondary lateral part discussed and horizontal direction ST, AX formed from 10 degree to 60 degree the Two leading role α 2.Such angle can be applied to each lateral part 214.In this case, what is discussed is secondary lateral The angle that the partial D214 of direction longitudinally in each and horizontal direction ST, AX are formed from 10 degree to 60 degree.Horizontal direction ST, AX and every Angle between the longitudinal direction D214 of one lateral part 214 can be constant.

In one embodiment, main intermediate mass 240 extends on the longitudinal direction D240 of the main intermediate mass 240.In the master Between block longitudinal direction D240 and horizontal direction ST, the third leading role α 3 that AX is formed from 10 degree to 60 degree.Such angle can be with Applied to each main intermediate mass 240.In this case, each longitudinal direction D240 and transverse direction of block between the master discussed Direction ST, AX form the angle from 10 degree to 60 degree.The longitudinal direction of horizontal direction ST, AX and each main intermediate mass 240 Angle between D240 can be constant.

In one embodiment, secondary intermediate mass 250 extends on the longitudinal direction D250 of the secondary intermediate mass 250.In this time Between block 250 longitudinal direction D250 and horizontal direction ST, the 4th leading role α 4 that AX is formed from 10 degree to 60 degree.This angle can be with Applied to each intermediate mass 250.In this case, the D250 of direction longitudinally in each and transverse direction of the secondary intermediate mass discussed Direction ST, AX form the angle from 10 degree to 60 degree.The longitudinal direction D250 of horizontal direction ST, AX and each intermediate mass 250 Between angle can be constant.

Above with tread blocks（240,250）An or part for tread blocks（212,214）Term " extension " used in connection with It means, the correspondence tread blocks as three-dimension object（Or part thereof）In the tread blocks（Or part thereof）Maximum magnitude direction Upper extension.Normally, term " length " is used for the maximum magnitude of three different orthogonal measurements.Therefore, above-mentioned tread blocks or its Partial longitudinal direction is parallel with the length direction of tread blocks or part thereof, wherein the length is more than tread blocks or part thereof Width and thickness.

Work as lateral part（212,214）When being so arranged, the longitudinal direction D212 of main lateral part 212 and time transverse part 214 longitudinal direction D214 is divided to form first time angle γ 1.Moreover, 1 direction DO1 of first time angle γ are opened.It has been found that It is that, when direction DO1 is opposite with direction of rotation R, tyre surface works well（See Fig. 3 a）.It is used on the way, by transverse direction such Part（212,214）The wedge shaped tip of formation hits ground surface 900 first, and is effectively channeled out water and/or slush Tyre surface 170.As shown in Figure 3a, both direction D212 and D214 forms two angles in its point of intersection, one of them is more than 180 Degree, and another is less than 180 degree.First time angle γ 1 refers to the angle less than 180 degree.The side that the angle is opened towards it Angle γ 1 is divided into two same big parts to DO1.

Work as intermediate mass（240,250）When being so arranged, the longitudinal direction D240 of main intermediate mass 240 and time intermediate mass 250 Longitudinal direction D250 form second jiao of γ 2.Second jiao of 2 direction DO2 of γ is opened.Preferably, direction DO2 also with rotation It is opposite to turn direction R.As shown in Figure 3a, both direction D240 and D250 forms two angles in its point of intersection, one of them is more than 180 degree, another is less than 180 degree.Second jiao of γ 2 refers to the angle less than 180 degree.The direction that the angle is opened towards it Angle γ 2 is divided into two same big parts by DO2.

Accordingly, tyre surface block structure 200 is intended to on pneumatic tire 100, and described on the way, pneumatic tire 100 has There is the direction of rotation R.Pneumatic tire 100 or tread strip 150 can be provided with the first label 510, and the first label 510 indicates tire The preferred direction of rotation R of face block structure 200.When in use, which is configured such that be equipped with the tire on wheel Vehicle move forward when, which rotates in a rotational direction.

As shown in Figure 2 c, in one embodiment, on horizontal direction ST, middle part block 210 is centrally disposed in tread blocks The center of structure 200.What this had has the technical effect that, due to intermediate tread blocks（240,250）Angle and/or lateral part （212,214）Angle define direction of rotation R, so the either side of tire can equally well serve as the outside of tire, that is, Side away from the center for the vehicle for using the tire.Therefore, all wheels of vehicle can be equipped with identical tire.

As it appears from the above, tread blocks by the part of main line 310 be separated from each other.Fig. 3 b illustrate in greater detail main line Some parts.Reference Fig. 3 b,

- the first main longitudinal main groove parts 312 on horizontal direction ST, AX between main shoulder block 220 and main intermediate mass 240,

Longitudinal main groove parts 314 are located on horizontal direction ST, AX time between shoulder block 230 and secondary intermediate mass 250 for the first time,

- the second main longitudinal main groove parts 316 be located on horizontal direction ST, AX main shoulder block 220 and main lateral part 212 it Between,

Second longitudinal main groove parts 318 be located on horizontal direction ST, AX time shoulder block 230 and time lateral part 214 it Between.

Particularly,

- the first main longitudinal main groove parts 312 are located nearest to mutual main shoulder block 220 and adjacent on horizontal direction ST, AX Between the part of main intermediate mass 240,

Longitudinal main groove parts 314 are located nearest to mutual secondary shoulder block 230 and adjacent on horizontal direction ST, AX for the first time Between the part of secondary intermediate mass 250,

- the second main longitudinal main groove parts 316 are located nearest to mutual main shoulder block 220 and adjacent on horizontal direction ST, AX Between the part of main lateral part 212,

Second longitudinal main groove parts 318 are located nearest to mutual secondary shoulder block 230 and adjacent on horizontal direction ST, AX Between the part of secondary lateral part 214.

With reference to Fig. 3 b, first main longitudinal main groove parts 312 are provided with base projections 313.Preferably, base projections 313 It is so shaped that first main longitudinal main groove parts 312 in the central portion of first main longitudinal main groove parts 312 Depth be less than first main longitudinal main groove parts 312 at the borderline region of first main longitudinal main groove parts 312 Depth.In one embodiment, first main longitudinal main groove parts 312 have at least two different depth.Implement at one In example, first main longitudinal main groove parts 312 have at least three different depth.It should（At least two or at least three）Depth Each be at least 2 millimeters and differ at least 0.5 millimeter from addition other each different depth.The above first is led The borderline region of longitudinal main groove parts 312 refer on the longitudinal direction D312 of first main longitudinal main groove parts 312 with The central parts of first main longitudinal main groove parts 312 region positioned apart.

With reference to Fig. 3 b, first time longitudinal direction main groove parts 314 are provided with base projections 315.Preferably, base projections 315 It is shaped so that the first time longitudinal direction main groove parts 314 in the central portion of longitudinal main groove parts 314 for the first time Depth be less than longitudinal main groove parts 314 for the first time at the borderline region of longitudinal main groove parts 314 for the first time Depth.In one embodiment, longitudinal main groove parts 314 have at least two different depth for the first time.Implement at one In example, longitudinal main groove parts 314 have at least three different depth for the first time.It should（At least two or at least three）Depth Each be at least 2 millimeters and differ at least 0.5 millimeter from addition other each different depth.First time described above The borderline region of longitudinal main groove parts 314 refer on the longitudinal direction D314 of longitudinal main groove parts 314 for the first time with The central part of longitudinal main groove parts 314 region positioned apart for the first time.

With reference to Fig. 3 b, second main longitudinal main groove parts 316 are provided with base projections 317.Preferably, base projections 317 It is shaped so that second main longitudinal main groove parts 316 in the central portion of second main longitudinal main groove parts 316 Depth be less than second main longitudinal main groove parts 316 at the borderline region of second main longitudinal main groove parts 316 Depth.In one embodiment, second main longitudinal main groove parts 316 have at least two different depth.Implement at one In example, second main longitudinal main groove parts 316 have at least three different depth.It should（At least two or at least three）Depth Each be at least 2 millimeters and differ at least 0.5 millimeter from addition other each different depth.The above second is led The borderline region of longitudinal main groove parts 316 refer on the longitudinal direction D316 of second main longitudinal main groove parts 316 with The central parts of second main longitudinal main groove parts 316 region positioned apart.

With reference to Fig. 3 b, second of longitudinal main groove parts 318 is provided with base projections 319.Preferably, base projections 319 It is shaped so that this second longitudinal main groove parts 318 in the central portion of second of longitudinal main groove parts 318 Depth be less than this second longitudinal main groove parts 318 at the borderline region of second longitudinal main groove parts 318 Depth.In one embodiment, second of longitudinal main groove parts 318 has at least two different depth.Implement at one In example, second of longitudinal main groove parts 318 has at least three different depth.It should（At least two or at least three）Depth Each be at least 2 millimeters and differ at least 0.5 millimeter from addition other each different depth.Second described above The borderline region of longitudinal main groove parts 318 refer on the longitudinal direction D318 of second longitudinal main groove parts 318 with The central part of longitudinal main groove parts 318 region positioned apart for the second time.

Make one or more longitudinal main groove parts（312,314,316,318）It is provided with base projections（313,315, 317,319）What is had has the technical effect that,（It is multiple）Base projections are effectively by water and/or the longitudinal main groove parts of slush discharge. Which improve the earth-grasping forces of tire.In addition, the protrusion makes tyre surface be hardened, and the maneuverability of vehicle is improved by this method.It is excellent Selection of land, first main longitudinal main groove parts 312, for the first time the 314, second main longitudinal direction main groove parts 316 of longitudinal main groove parts And second of longitudinal main groove parts 318 is provided with base projections（313,315,317,319）.

With reference to Fig. 3 c, in one embodiment, first main longitudinal main groove parts 312 are in first main longitudinal main groove parts Extend on 312 longitudinal direction D312.The first season angle that direction D312 and horizontal direction ST, AX are formed from 60 degree to 85 degree （tertiary angle）β1.In one embodiment, first time longitudinal direction main groove parts 314 are in the first time longitudinal main line Extend on the longitudinal direction D314 of part 314.The second season that direction D314 and horizontal direction ST, AX are formed from 60 degree to 85 degree Angle beta 2.In one embodiment, second main longitudinal main groove parts 316 are in the longitudinal direction of second main longitudinal main groove parts 316 Extend on the D316 of direction.The third quarter angle beta 3 that direction D316 and horizontal direction ST, AX are formed from 60 degree to 85 degree.In a reality It applies in example, second of longitudinal main groove parts 318 prolongs on the longitudinal direction D318 of this second longitudinal main groove parts 318 It stretches.The fourth season angle beta 4 that direction D318 and horizontal direction ST, AX are formed from 60 degree to 85 degree.

This has the effect that, due to longitudinal main groove parts 312,314,316,318 not accurately with longitudinal direction （St、SC）It is parallel, so these edges of tread blocks also provide earth-grasping force for tyre surface in the forward and backward directions.

The term used in connection with groove " extension " means that the respective grooves as three-dimension object are in groove above The side of maximum magnitude upwardly extends.Normally, term " length " is used for the maximum magnitude of three different orthogonal measurements.Therefore, ditch The above-mentioned longitudinal direction of slot is parallel with the length direction of a part for groove or the groove, wherein the length is more than groove or should The width or thickness of a part for groove.

With reference to Fig. 4 and 7, in one embodiment, along vertical line 550, every a tread blocks be the master of middle part block 210 Lateral part 212, and（Another）Every a tread blocks be main intermediate mass 240.What this had has the technical effect that tyre surface is in cross It is appropriate rigidity on direction, because（Only）Every a tread blocks be exactly individual main intermediate mass 240（That is, soft）, and （Only）Every a tread blocks be exactly middle part block 210 major part（That is, hard）.In one embodiment, along vertical line 555, every a tread blocks be middle part block 210 secondary lateral part 214, and（Another）It is secondary intermediate every a tread blocks Block 250.

With reference to Fig. 4, in one embodiment, on longitudinal direction SC, SL, the first main shoulder block 220a is arranged adjacent the Beside the two main shoulder block 220b and main shoulder block 220c of adjacent third.On longitudinal direction SL, SC, the first main shoulder block 220a is at least Half is arranged between the second main shoulder block 220b and the main shoulder block 220c of third.Moreover, in order to realize above-mentioned rigidity appropriate, in cross To direction ST, on AX, the first main shoulder block 220a is arranged on 212 side of the main lateral part of adjacent middle part block 210；In lateral side To ST, on AX, the second main shoulder block 220b is arranged on adjacent 240 side of main intermediate mass；And on horizontal direction ST, AX, the Three main shoulder block 220c are arranged on another adjacent 240 side of main intermediate mass.

Hereinbefore, term " side " refers to adjacent tread blocks, that is, is located at discussed tire without other tread blocks Tread blocks between the block of face.

With reference to Fig. 4, in one embodiment, the width of the first main shoulder block 220a is more than the width of the second main shoulder block 220b. In Fig. 4, the width of the second main shoulder block 220b is equal to the width of the main shoulder block 220c of third.Herein, width refers to lateral side To ST, the size on AX, even if the size is likely larger than the size on other directions.Moreover, in a lateral direction, the first main shoulder Block 220a is arranged on 212 side of the main lateral part of adjacent middle part block 210.

Preferably, other than first of middle part block 210 and the last one main lateral part 212, in a lateral direction, Main 212 side of lateral part of each of middle part block 210 is provided with the main shoulder block 220a of adjacent first so that in a longitudinal direction, The main shoulder block 220b of adjacent second and the main shoulder block 220c of adjacent third are provided with beside the first main shoulder block 220a；In lateral side Upwards, the second main shoulder block 220b and main shoulder block 220c of third is arranged on adjacent 240 side of main intermediate mass.In tread strip 150 In the case of, this scheme is unsuitable for first and the last one main lateral part（That is, in the end of tread strip）, because of tyre surface Band terminates.It is preferable, however, that this scheme is applicable in pneumatic tire 100.

Because this scheme is preferably also suitable on the other side of intermediate mass, in one embodiment, such as Fig. 4 reality Example is applied, on longitudinal direction SL, SC, first time shoulder block 230a is arranged in second adjacent of shoulder block 230b and adjacent third time Beside shoulder block 230c.On longitudinal direction SL, SC, the setting of at least half of first time shoulder block 230a in second of shoulder block 230b and Between third time shoulder block 230c.In addition, in horizontal direction ST, on AX, first time shoulder block 230a is arranged in adjacent middle part block 210 The side of secondary lateral part 214；On horizontal direction ST, AX, second of shoulder block 230b is arranged by adjacent secondary intermediate mass 250 Side；And on horizontal direction ST, AX, third time shoulder block 230c is arranged on another adjacent 250 side of secondary intermediate mass.

With reference to Fig. 4, in one embodiment, the width of first time shoulder block 230a is more than the width of second of shoulder block 230b. In Fig. 4, the width of second of shoulder block 220b is equal to the width of third time shoulder block 220c.Herein, width refers to lateral side To ST, the size on AX, even if the size is likely larger than the size on other directions.In addition, in a lateral direction, first time shoulder Block 230a is arranged on 214 side of the secondary lateral part of adjacent middle part block 210.

Preferably, other than first of middle part block 210 and the last one lateral part 214, in a lateral direction, Secondary 214 side of lateral part of each of middle part block 210 is provided with adjacent first time shoulder block 230a so that in a longitudinal direction, Second adjacent of shoulder block 230b and adjacent third time shoulder block 230c are provided with beside first time shoulder block 230a；In lateral side Upwards, second of shoulder block 230b and third time shoulder block 230c is arranged on adjacent 250 side of secondary intermediate mass.In tread strip 150 In the case of, this scheme is not suitable for the end of tread strip, because tread strip terminates.However, it is preferred that in pneumatic tire This scheme is applicable in 100.

With reference to Fig. 4, in order to improve rigidity of the tyre surface 170 on longitudinal direction SL, SC, it is preferable that middle part block 210 it is main Part 216 directly extends through tyre surface block structure 200 on longitudinal direction SL, SC.Herein, term " major part " refers to It is the straight part of the middle part block 210 of the part of no main line 310.The major part may include siping.It is inflating On tire 100, such straight major part extends along the circumference of tire 100.As known to technical staff, main line and Siping is of different sizes.For example, the width of groove is at least 1.5 millimeters, typically at least 2 millimeters or at least 3 millimeters. For example, the width of siping is less than 1.5 millimeters, it is generally up to about 1.0 millimeters or 0.5 millimeter most.

In one embodiment, tyre surface block structure 200 includes 220 and second quantity of N1 main shoulder blocks of the first quantity N2 times Shoulder block 230.In pneumatic tire 100, the first quantity N1 can be even number, that is, the first quantity can be expressed as two integral multiple Number（That is, N1=2 × N, wherein N are integers）.Second quantity N2 can be even number, that is, the second quantity can be expressed as two integer Multiple.Second quantity N2 can be equal to the first quantity N1.It has been found that this can reduce the noise in tire used.In addition, at this In the construction of sample, along vertical line 550, can make every a tread blocks be one middle part block 210 main lateral part 212, And（Another）Every a tread blocks be main intermediate mass 240.As described above, this also improves earth-grasping forces.However, in tread strip In 150, the first and second quantity（N1, N2）Can be odd number or even number.

In one embodiment, tyre surface block structure 200 includes the main lateral part 212 of N3 middle part block 210 of third quantity With the secondary lateral part 214 of N4 middle part block 210 of the 4th quantity.In one embodiment, the 4th quantity N4 is equal to third quantity N3.From the perspective of noise, it may be beneficial that in third quantity N3 and the 4th quantity N4 at least in pneumatic tire 100 One is even number（I.e., it is possible to be expressed as two integer multiple）.This is not necessarily suitable tread strip 150.In such construction, Along vertical line 555, can make every a tread blocks be one middle part block 210 secondary lateral part 214, and（Another）Often Every a tread blocks be time intermediate mass 250.

With reference to Fig. 5, in one embodiment, main shoulder block 220 and time shoulder block 230 are configured such that the first imagination is laterally straight Line 500 can be arranged between two adjacent secondary shoulder block 230b, 230a on longitudinal direction SL, SC so that the first imagination is horizontal Main shoulder block 220,220b is passed through to straight line 500.Herein, lateral straight line 500 is parallel with horizontal direction AX, ST.Preferably, exist Imagination lateral straight line 500 each of is set between two adjacent secondary shoulder blocks 230 on longitudinal direction SL, SC and passes through main shoulder block 220。

This has the effect that earth-grasping force is not dependent on orientation of the tire relative to ground surface 900.As tire rotates, Main shoulder block 220 and time shoulder block 230 are detached from from trace in succession, rather than are detached from simultaneously.This so that earth-grasping force is more uniform.

Additionally or alternatively, the second imagination transverse direction straight line 505 can be arranged in a longitudinal direction in two adjacent main shoulders Between block 220b, 220a so that the lateral straight line 505 of the second imagination passes through time shoulder block 230,230a.Preferably, in longitudinal SL, SC On the lateral straight line 505 of imagination each of be set between two adjacent main shoulder blocks 220 pass through time shoulder block 230.

It is further preferred that the main groove parts 310 between main shoulder block 220 are substantial laterals.Preferably, secondary Main groove parts 310 between shoulder block 230 are substantial laterals.In one embodiment, it is located at two adjacent secondary shoulder blocks （230b, 230a）Between and the lateral straight line of the first imagination 500 can be configured to from its by main groove parts 310 with The side that horizontal direction AX, SL form at most 25 degree of angle upwardly extends.The paraphrase of term " extension " is discussed above. In one embodiment, it is located at two adjacent main shoulder blocks（220b, 220a）Between and the lateral straight line of the second imagination 505 can be by Be arranged to from its by main groove parts 310 upwardly extended in the side for the angle for forming at most 25 degree with horizontal direction AX, SL. The paraphrase of term " extension " is discussed above.It is improved on longitudinal direction with the main groove parts oriented by this method （That is, forwardly and rearwardly）Earth-grasping force.

As described above, at least some tread blocks can limit the end wall of groove 320.Fig. 6 illustrates in greater detail two ditches Slot 340 and 350.Such groove is limited by the middle part block 210 of tyre surface block structure 200.Groove 340,350 is not directly to extend , but there is inflection point 344,354.The function of inflection point is to provide more edges for tread blocks so as to improve earth-grasping force And/or effectively soften tread blocks.

In figure 6, the main lateral part 212 of middle part block 210 defines the end wall of the side wall and groove 340 of groove 340 342.Groove 340 extends to the inflection point 344 of groove 340 from end wall 342 and is extended to and trench portions 348 from inflection point 344 Intersection point 346.In figure 6, main groove parts 348 from intersection point 346 extend in two directions formed main groove parts 348a and 348b.At inflection point 344, such as the extending direction of groove 340 may change at least 45 degree or at least 75 degree.In a reality It applies in example, at least 25% or at least the 50% of 210 main lateral part 212 of middle part block includes groove（340,320）, for example, with curved The groove 340 of break 344.

In the embodiment in fig 6, only following three trench portions extend from intersection point 346：

Groove 340,

First half portion 348a of the main groove parts 348 extended in a first direction,

In the second half portion 348b of the main groove parts 348 that the side different from first direction upwardly extends.

Second half portion 348b of main groove parts 348 may be with the of main groove parts 348 from the direction that intersection point 346 extends One half portion 348a is opposite from the direction that intersection point 346 extends.

In figure 6, the secondary lateral part 214 of middle part block 210 defines the end wall of the side wall and groove 350 of groove 350 352.Groove 350 extends to the inflection point 354 of groove 350 from end wall 352 and is extended to from inflection point 354 and main groove parts 358 intersection point 356.In figure 6, main groove parts 358 extend to from intersection point 356 and form main groove parts 358a in two directions And 358b.At inflection point 354, such as the extending direction of groove 350 may change at least 45 degree or at least 75 degree.At one In embodiment, at least the 25% of the main lateral part 212 of middle part block 210 or at least 50% includes groove（340,320）, for example, tool There is the groove 340 of inflection point 344.

In the embodiment in fig 6, only following three trench portions extend from intersection point 356：

Groove 350,

First half portion 358a of the main groove parts 358 extended in a first direction,

In the second half portion 358b of the main groove parts 358 that the side different from first direction upwardly extends.

Second half portion 358b of main groove parts 358 may be with the of main groove parts 358 from the direction that intersection point 356 extends One half portion 358a is opposite from the direction that intersection point 356 extends.

Even if being not shown, main intermediate mass 240 can be provided with the inflection point including above-mentioned implication（344,354）Groove （340,350）.Even if being not shown, secondary intermediate mass 250 can be provided with the inflection point including above-mentioned implication（344,354）Ditch Slot（340,350）.

With reference to Fig. 3 c, Fig. 4 and Fig. 7, tyre surface block structure 200 may include section 400,400a1,400a2,400a, 400b, 400c.The section includes a part for the tread blocks of tyre surface block structure 200.Tyre surface block structure 200 can be by applying adjacent to each other Multiple section formation.For example, the tyre surface block structure 200 of Fig. 4 and 7 has first segment（400a1,400a）With the second section（400a2, 400a）.Second section（400a2,400a）In longitudinal direction SL, SC is upper relative to first segment（400a1,400a）Setting.In addition, the Two sections（400,400a2）Tread blocks construction and first segment（400a, 400a1）Tread blocks construction it is identical.Term " tread blocks structure Make " refer to size and shape and their positions relative to each other of tread blocks.

As shown in figure 4, the second section can be arranged beside first segment.It has however been found, that when using different sizes Section when, the noise of tire 100 can be reduced.It is therefore preferred that tyre surface block structure 200 further has third section（In Fig. 7 400b, 400c）.Third section（400b、400c）Tread blocks construction be different from first segment（400a、400a1）Tread blocks construction. Third section can be arranged between first segment and the second section.For example, the section 400b of Fig. 7 is less than first segment 400a.For example, Fig. 7 It saves 400c and is more than first segment 400a.

In one embodiment, each of first segment 400a, the second section 400b and third section 400c include only two masters Shoulder block 220, only two shoulder blocks 230, a parts for middle part block 210（A part for the middle part block 210 includes the main transverse direction of only one Part 212 and only one time lateral part 214）, the main intermediate mass 240 of only one and only one time intermediate mass 250.

Tyre surface block structure is especially suitable for Tire used in winter.In one embodiment, pneumatic tire 100 includes the second label 520（See Fig. 1）, indicate that tire 100 is suitable as Tire used in winter.In one embodiment, tread strip 150 includes the second label 520, instruction tire 100 is suitable as Tire used in winter.Tire 100（Or tread strip 150）May include third label 530, Indicate the maximum drive speed of tire 100.

Tire used in winter may include nail（stud）.In order to apply nail, some tread blocks can be provided with nail recessed portion 420. Nail can be arranged in following closely recessed portion 420.In addition, in order to soften tread blocks, some tread blocks can be provided with siping 410。

In one embodiment,

Middle part block 210,

At least some main shoulder blocks 220,

At least some secondary shoulder blocks 230,

At least some main intermediate mass 240, and

At least some secondary intermediate mass 250

It is provided at least one siping 410.This is suitable for tyre surface block structure 200, tread strip 150 and pneumatic tire 100.

In one embodiment,

Middle part block 210,

At least some main shoulder blocks 220,

At least some secondary shoulder blocks 230,

At least some main intermediate mass 240, and

At least some secondary intermediate mass 250

It is provided at least one nail recessed portion 420.This is suitable for tyre surface block structure 200, tread strip 150 and pneumatic tire 100.Nail It can be arranged in nail recessed portion 420.

Tread blocks can be provided with the first label 422 around the first nail recessed portion.Tread blocks can be provided with around the Second label 424 of two nail recessed portions.Second label can be different from the first label.Nonessential tire 100 includes any nail.Wheel Nonessential tire 100 includes any nail recessed portion.It includes any label for following closely recessed portion that tire 100 is nonessential.

In one embodiment, some nail recessed portions form the first group G1, and some nail recessed portions 420 form second Group G2.Each of first group G1 nail recessed portions 420 are surround by the first label 422, and each nail of the second group G2 is recessed Concave portion 420 is surrounded by the second label 424 different from the first label 422.However, all first labels 422 are identical.This Outside, all second labels 424 are identical.The quantity of the nail recessed portion of first group G1 can be at least two, at least five, or Person's at least ten.The quantity of the nail recessed portion of second group G2 can be at least two, at least five or at least ten.First The nail of type can be arranged in the recessed portion of the first group G1.The recess in the second group G2 can be arranged in the nail of Second Type In portion.

In one embodiment, the tread blocks of tyre surface block structure 200（210,220,230,240,250）By soft rubber system At for improving earth-grasping force.Herein, soft rubber has at most 75 ShA, at most 70 ShA, at most in 23 DEG C of temperature The Shore hardness of 65 ShA, at most 60 ShA or at most 55 ShA（Shore（A）Hardness, ShA）.Soft rubber is in temperature 23 DEG C when can at least 40 ShA or at least 45 ShA Shore hardness.Preferably, soft rubber has from 45 ShA to 70 ShA or from 45 ShA to the Shore hardness of 65 ShA.In general, softer material improves earth-grasping force, but to a certain extent, It reduces the maneuverability of vehicle and increases the abrasion of tire.

With reference to Fig. 8, in one embodiment, tyre surface block structure 200 forms tyre surface 170, and tyre surface 170 can be by longitudinal center Line LCL is divided into two same big part 170a and 170b.As shown in figure 8, second part 170b is turning for first part 170a Move mirror image.After SL along the longitudinal direction, SC translations, second part 170b forms the mirror image of first part 170a.Along longitudinal direction After direction SL, SC translation, second part 170b forms the mirror image of first part 170a about a plane, which includes longitudinal The thickness direction of center line LCL and tyre surface block structure 200.

Claims (15)

1. one kind being suitable for pneumatic tire（100）Or pneumatic tire（100）Tread strip（150）Tyre surface block structure（200）, institute State tyre surface block structure（200）Including：

Main shoulder block（220）,

Secondary shoulder block（230）,

Middle part block（210）, in the main shoulder block（220）With the secondary shoulder block（230）Between, the middle part block（210）One Direction（SC, SL）On extend through the tyre surface block structure（200）, the direction（SC, SL）Perpendicular to horizontal direction（ST, AX） And perpendicular to the tyre surface block structure（200）Thickness,

Main intermediate mass（240）, the main intermediate mass（240）In horizontal direction（ST, AX）It is upper to be arranged in some main shoulder blocks（220） With the middle part block（210）Between,

Secondary intermediate mass（250）, the secondary intermediate mass（250）In horizontal direction（ST, AX）Upper setting is in some shoulder block（230） With the middle part block（210）Between, wherein

The tyre surface block structure（200）Each block（210,220,230,240,250）Pass through main line（310）A part With the tyre surface block structure（200）Another piece（210,220,230,240,250）It separates,

The middle part block（210）Including main lateral part（212）With secondary lateral part（214）So that：

Main intermediate mass（240）At least half in a direction（SC, SL）It is upper to be arranged in the middle part block（210）Two main cross To part（212）Between, the direction（SC, SL）Perpendicular to the horizontal direction（ST, AX）And perpendicular to the tread blocks Structure（200）Thickness, and

Secondary intermediate mass（250）At least half in a direction（SC, SL）It is upper to be arranged in the middle part block（210）Two times it is horizontal To part（214）Between, the direction（SC, SL）Perpendicular to the horizontal direction（ST, AX）And perpendicular to the tread blocks Structure（200）Thickness.

2. tyre surface block structure according to claim 1（200）, wherein

At least some main intermediate mass（240）It is provided with groove（320）, the groove（320）Have：[i] is by the main centre Block（240）The first end of restriction（322）, and [ii] connection main line（310）A part second end（324）, and/or

The middle part block（210）At least some main lateral parts（212）It is provided with groove（320）, the groove（320）Tool Have：[i] is by the main lateral part（212）The first end of restriction（322）, and [ii] connection main line（310）A part Second end（324）.

3. tyre surface block structure according to claim 1 or 2（200）, wherein

At least some secondary intermediate mass（250）It is provided with groove（320）, the groove（320）Have：[i] is intermediate by described time Block（250）The first end of restriction（322）, and [ii] connection main line（310）A part second end（324）, and/or

The middle part block（210）At least some secondary lateral parts（214）It is provided with groove（320）, the groove（320）Tool Have：[i] is by the secondary lateral part（214）The first end of restriction（322）, and [ii] connection main groove parts（310） Two ends（324）.

4. tyre surface block structure according to any one of claim 1 to 3（200）, wherein

The middle part block（210）Each main lateral part（212）In the main lateral part discussed（212）Longitudinal direction side To（D212）Upper extension, wherein

The direction longitudinally in each of the main lateral part discussed（D212）With the horizontal direction（ST, AX）Formed from 10 degree to 60 degree of angle（α1）,

The middle part block（210）Each time lateral part（214）In the secondary lateral part discussed（214）Longitudinal direction side To（D214）Upper extension, wherein

The direction longitudinally in each of the secondary lateral part discussed（D214）With the horizontal direction（ST, AX）Formed from 10 degree to 60 degree of angle（α2）,

Each main intermediate mass（240）In the main intermediate mass discussed（240）Longitudinal direction（D240）Upper extension, wherein

The direction longitudinally in each of the main intermediate mass discussed（D240）With the horizontal direction（ST, AX）It is formed from 10 degree to 60 The angle of degree（α3）,

Each intermediate mass（250）In the secondary intermediate mass discussed（250）Longitudinal direction（D250）Upper extension, wherein

The direction longitudinally in each of the secondary intermediate mass discussed（D250）With the horizontal direction（ST, AX）It is formed from 10 degree to 60 The angle of degree（α4）.

5. tyre surface block structure according to claim 4（200）, wherein

Main lateral part（212）Longitudinal direction（D212）With secondary lateral part（214）Longitudinal direction（D214）Form the Angle（γ1）So that

The first time angle（γ1）With direction of rotation（P）Opposite direction（DO1）Upper opening, and

Main intermediate mass（240）Longitudinal direction（D240）With secondary intermediate mass（250）Longitudinal direction（D252）It is formed second Angle（γ2）So that

Described second jiao（γ2）With the direction of rotation（P）Opposite direction（DO2）Upper opening, wherein

The tyre surface block structure（200）It is intended for that there is direction of rotation in use（R）Pneumatic tire（100）.

6. tyre surface block structure according to any one of claim 1 to 5（200）, wherein

- the first main longitudinal main groove parts（312）In the horizontal direction（ST, AX）It is upper to be located at main shoulder block（220）With main centre Block（240）Between,

Longitudinal main groove parts for the first time（314）In the horizontal direction（ST, AX）It is upper to be located at time shoulder block（230）With secondary centre Block（250）Between,

- the second main longitudinal main groove parts（316）In the horizontal direction（ST, AX）It is upper to be located at main shoulder block（220）With main transverse direction Part（212）Between,

Second of longitudinal main groove parts（318）In the horizontal direction（ST, AX）It is upper to be located at time shoulder block（230）With secondary transverse direction Part（214）Between；And

Described first main longitudinal main groove parts（312）, first time longitudinal direction main groove parts（314）, it is described second master Longitudinal main groove parts（316）With described second longitudinal main groove parts（318）At least one of be provided with base projections （313,315,317,319）；

Preferably

Described first main longitudinal main groove parts（312）, first time longitudinal direction main groove parts（314）, it is described second master Longitudinal main groove parts（316）With described second longitudinal main groove parts（318）It is provided with base projections（313,315,317, 319）.

7. tyre surface block structure according to claim 6（200）,

Described first main longitudinal main groove parts（312）In the longitudinal direction of described first main longitudinal main groove parts（D312） Upper extension, the direction and the horizontal direction（ST, AX）Form the angle from 60 degree to 85 degree（β1）,

First time longitudinal direction main groove parts（314）In the longitudinal direction of first time longitudinal direction main groove parts（D314） Upper extension, the direction and the horizontal direction（ST, AX）Form the angle from 60 degree to 85 degree（β2）,

Described second main longitudinal main groove parts（316）In the longitudinal direction of described second main longitudinal main groove parts（D316） Upper extension, the direction and the horizontal direction（ST, AX）Form the angle from 60 degree to 85 degree（β3）, or

Second of longitudinal main groove parts（318）In the longitudinal direction of described second longitudinal main groove parts（D318） Upper extension, the direction and the horizontal direction（ST, AX）Form the angle from 60 degree to 85 degree（β4）；

Preferably

Institute is angled（β 1, β 2, β 3 and β 4）For from 60 degree to 85 degree.

8. tyre surface block structure according to any one of claim 1 to 7（200）, wherein

[A]

- the first main shoulder block（220a）Perpendicular to the horizontal direction（ST, AX）Direction（SC, SL）Upper setting is in the second master Shoulder block（220b）With the main shoulder block of third（220c）Side,

The first main shoulder block（220a）At least half perpendicular to the horizontal direction（ST, AX）Direction（SC, SL） It is upper to be arranged in the described second main shoulder block（220b）With the main shoulder block of the third（220c）Between,

The first main shoulder block（220a）In the horizontal direction（ST, AX）It is upper to be arranged in the middle part block（210）Main cross To part（212）Side,

The second main shoulder block（220b）In the horizontal direction（ST, AX）It is upper to be arranged in main intermediate mass（240）Side, and

The main shoulder block of third（220c）In the horizontal direction（ST, AX）It is upper to be arranged in another main intermediate mass（240）It is other Side；And

[B]

First time shoulder block（230a）Perpendicular to the horizontal direction（ST, AX）Direction（SC, SL）Upper setting is at second Shoulder block（230b）With third time shoulder block（230c）Side,

The first time shoulder block（230a）At least half perpendicular to the horizontal direction（ST, AX）Direction（SC, SL） It is upper to be arranged in second of shoulder block（230b）With the third time shoulder block（230c）Between,

The first time shoulder block（230a）In the horizontal direction（ST, AX）It is upper to be arranged in the middle part block（210）It is time horizontal To part（214）Side,

Second of shoulder block（230b）In the horizontal direction（ST, AX）It is upper to be arranged in secondary intermediate mass（250）Side, and

The third time shoulder block（230c）In the horizontal direction（ST, AX）It is upper to be arranged in another secondary intermediate mass（250）It is other Side.

9. tyre surface block structure according to any one of claim 1 to 8（200）, wherein

The middle part block（210）Major part（216）Extend through the tyre surface block structure directly in one direction （200）, the direction is perpendicular to the horizontal direction（ST, AX）And perpendicular to the tyre surface block structure（200）Thickness.

10. tyre surface block structure according to any one of claim 1 to 9（200）, including：

- the first quantity（N1）A main shoulder block（220）,

- the second quantity（N2）A secondary shoulder block（230）,

Third quantity（N3）A middle part block（210）Main lateral part（212）, and

- the four quantity（N4）A middle part block（210）Secondary lateral part（214）；Wherein

4th quantity（N4）Equal to the third quantity（N3）, and/or

First quantity（N1）It is even number, and second quantity（N2）It is even number.

11. tyre surface block structure according to any one of claim 1 to 10（200）, wherein

The main shoulder block（220）With the secondary shoulder block（230）It is configured such that：

The lateral straight line of-the first imagination（500）It can be in a direction（SL）It is upper to be arranged in two adjacent secondary shoulder blocks（230b, 230a）Between, the direction（SL）Perpendicular to the horizontal direction（ST, AX）And perpendicular to the tyre surface block structure（200） Thickness so that the lateral straight line of first imagination（500）Across main shoulder block（220,220b）, and/or

The lateral straight line of-the second imagination（505）It can be in a direction（SL）It is upper to be arranged in two adjacent main shoulder blocks（220b, 220a）Between, the direction（SL）Perpendicular to the horizontal direction（ST, AX）And perpendicular to the tyre surface block structure（200） Thickness so that the lateral straight line of second imagination（505）Across secondary shoulder block（230,230a）；

Preferably

In longitudinal direction or circumferencial direction（SL, SC）It is upper to be arranged in two adjacent secondary shoulder blocks（230）Between each of imagination laterally Straight line（500）Across main shoulder block（220）, and

In longitudinal direction or circumferencial direction（SL, SC）It is upper to be arranged in two adjacent main shoulder blocks（220）Between each of imagination laterally Straight line（505）Across secondary shoulder block（230）.

12. tyre surface block structure according to any one of claim 1 to 11（200）, wherein

At least one of following the description：

The middle part block（210）Main lateral part（212）,

The middle part block（210）Secondary lateral part（214）,

Main intermediate mass（240）, and

Secondary intermediate mass（250）

Define groove（340,350）End wall（342,352）, wherein

The groove（340,350）Extend in the following manner：

From the end wall（342,352）Extend to the groove（340,350）Inflection point（344,354）, and

From the groove（340,350）The inflection point（344,354）It extends to and main groove parts（348,358）Friendship Point（346,356）.

13. tyre surface block structure according to claim 12（200）, wherein

Only following three trench portions are from the intersection point（346,356）Extend:

The groove（340,350）,

The main groove parts extended in a first direction（348,358）The first half portion（348a, 358a）,

In the tap drain that the direction different from the first direction, side for example opposite to the first direction upwardly extend Slot part（348,358）The second half portion（348b, 358b）.

14. tyre surface block structure according to any one of claim 1 to 13（200）, including：

First segment（400,400a, 400a1）, the first segment includes the tyre surface block structure（200）The tread blocks First part, and

- the second section（400,400a, 400a2）, second section includes the tyre surface block structure（200）The tread blocks Second part, wherein

Second section（400,400a, 400a2）In longitudinal direction（SL, SC）On relative to the first segment（400,400a, 400a1）Setting, and

Second section（400,400a, 400a2）Tread blocks construction with the first segment（400,400a, 400a1）Tire Face block construction is identical；

Preferably

The tyre surface block structure（200）Further comprise third section（400,400b, 400c）, wherein

The third section（400,400b, 400c）Tread blocks construction with the first segment（400,400a, 400a1）Tyre surface Block construction is different；

Preferably

The first segment, second section and each of the third section include：

Only two main shoulder blocks（220）,

Only two shoulder blocks（230）,

The middle part block（210）A part, the middle part block（210）The part include the main lateral part of only one （212）With only one time lateral part（214）,

The main intermediate mass of only one（240）, and

Only one time intermediate mass（250）.

15. a kind of pneumatic tire（100）Or it is a kind of for pneumatic tire（100）Tread strip（150）, the pneumatic tire （100）Or the tread strip（150）It include the tyre surface block structure according to any one of claim 1 to 14（200）, wherein

[A]

The tyre surface block structure（200）Horizontal direction（ST, AX）With the pneumatic tire（100）Axial direction（AX）It is flat Row, and

The tyre surface block structure（200）Thickness and the pneumatic tire（100）Radial direction（SR）It is parallel, or

[B]

The tyre surface block structure（200）Horizontal direction（ST, AX）With the tread strip（150）Horizontal direction（ST）It is flat Row, and

The tyre surface block structure（200）Thickness and the tread strip（150）Thickness it is parallel.