CN110481246A - A kind of automobile and its tire - Google Patents
A kind of automobile and its tire Download PDFInfo
- Publication number
- CN110481246A CN110481246A CN201910838507.7A CN201910838507A CN110481246A CN 110481246 A CN110481246 A CN 110481246A CN 201910838507 A CN201910838507 A CN 201910838507A CN 110481246 A CN110481246 A CN 110481246A
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- China
- Prior art keywords
- inclined surface
- circumferential grooves
- main groove
- tire
- shoulder main
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/0302—Tread patterns directional pattern, i.e. with main rolling direction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
- B60C11/1259—Depth of the sipe
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/13—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
- B60C11/1259—Depth of the sipe
- B60C2011/1268—Depth of the sipe being different from sipe to sipe
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The invention discloses a kind of automobile and its tires, including the circumferential grooves being arranged on tyre surface and land portion, circumferential grooves two sides include the first inclined surface and the second inclined surface that end is sequentially connected and is spaced apart, the two inclined direction is opposite, circumferential grooves are U-type groove, and the first inclined surface is gradually changed with the bottom of trench corner dimension of circumferential grooves from one end to the other side.Circumferential grooves include: the center tap drain among tyre surface and the shoulder main groove positioned at tyre surface side.Land portion includes: center land portion and shoulder land department, is equipped with traverse furrow, and traverse furrow includes: external Geometrical discontinuity unit and the discontinuous unit of inner geometry with the first internal element and the second internal element.The design of traverse furrow can increase driving force, brake force, reduce rolling resistance, increase wetland performance, inhibit tyre surface eccentric wear, inhibit pattern block deflection, reduce its rolling resistance.The bottom of trench of circumferential grooves and the angle of side are the angle of variation, and the rigidity of pattern block improves the function of anti-horsestone when increasing turning.
Description
Technical field
The present invention relates to a kind of tire, sipe design can effectively reduce horsestone problem, avoid tire because of horsestone problem
And re-type need to be done sth. in advance；When siping offer travels on wetland, driving and braking ability can be effectively increased, while can reduce
Pattern block wriggling slope and reduction dissipation of energy in the tires, are effectively reduced rolling resistance.
Background technique
Card bus driving is stuck in groove because the relationship of furrow width and ditch depth tends to have handstone, in turn results in when road surface
Bottom of trench cracking ultimately causes the damage of inside tires structure, reduces tyre life.
In addition, in order to increase the road holding in wetland road traveling, tyre surface can arrange many siping, however cutter groove
Decorative pattern is added, and will cause the rigidity decline of whole pattern block, when for tire running, the opposite wall face of tread siping
Easily occur longitudinally, laterally to slide, causes pattern block to bend and deform, and cause knife slot texture to generate abrasion, or even have decorative pattern
Block collapsing, the situation of chip off-falling, influence grab ground effect, reduce the braking, driving and handling of tire.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of tire, the center tap drain and shoulder main groove bottom of trench of tire
Angle is multi-angle variation, and ditch bottom presentation class is wavy, the rigidity of pattern block when can increase turning, and can reduce stone folder
Enter the situation that bottom of trench causes tire to destroy；Tyre surface is arranged thin traverse furrow and can increase wetland performance, inhibit tyre surface eccentric wear situation, thin horizontal
The ratio of ditch ditch depth and circumferential tap drain ditch depth, it can be ensured that while driving force, the brake force of wetland are provided, and allow in traveling
The deflection of tread block minimizes, and reduces its rolling resistance.
To achieve the above object, the invention provides the following technical scheme:
A kind of tire, the land portion divided including the circumferential grooves being arranged on tyre surface and the circumferential grooves, wherein
The circumferential grooves two sides include the first inclined surface and the second inclined surface that end is sequentially connected and is spaced apart,
The inclined direction of first inclined surface and the second inclined surface is on the contrary, the circumferential grooves are U-type groove, and described first tilts
Face is gradually changed with the bottom of trench corner dimension of the circumferential grooves from one end to the other side；
The circumferential grooves include: the center tap drain among the tyre surface, and the first of the center tap drain tilts
Face passes through to be gradually changed with the bottom of trench corner dimension of the center tap drain, the first inclined surface of the center tap drain
With the second inclined surface arranged for interval of the center tap drain, and end be connected inclined direction it is opposite；Positioned at the tyre surface side
Shoulder main groove, and the first inclined surface of the shoulder main groove pass through it is big with the angle of the shoulder main groove bottom of trench
It is small to gradually change, the first inclined surface of the shoulder main groove and the second inclined surface arranged for interval of the shoulder main groove, and hold
The connected inclined direction in portion is opposite；
The land portion includes:
Center land portion, center land portion is between two shoulder main grooves；Shoulder land department, the shoulder land department are located at
The shoulder main groove is along the outside of the tire axial；Center land portion and the shoulder land department are provided with traverse furrow, described
Traverse furrow extends and is arranged circumferentially along tire along tire axial, and center land portion and the shoulder land department are respectively divided
For multiple core blocks and pattern block on tire shoulder；
The traverse furrow includes:
External Geometrical discontinuity unit, the external Geometrical discontinuity unit is located at along the radial outside of tire, described
External Geometrical discontinuity unit is to be connected to form with plane and/or curved surface；
The discontinuous unit of inner geometry, the discontinuous unit of inner geometry are located at the external Geometrical discontinuity unit edge
Radial inside, and the discontinuous unit of the inner geometry is male and fomale(M&F)；
The discontinuous unit of inner geometry includes:
First internal element, first internal element are that concave plane and/or curved surface connect the recessed portion to be formed；The
Two internal elements, second internal element connect the lug boss to be formed for concave plane and/or curved surface, and in described first
Portion's unit and the alternate arrangement of second internal element, the lug boss and the recessed portion are alternate with paddy peak and valley bottom
The structure of arrangement, and the alternate arrangement in the lowest point of recessed portion described in the Gu Fengyu of the lug boss.
On the one hand it can ensure that in traveling, the bite force of tire longitudinal direction, maintain tread block in longitudinally resistance external force
Pattern block rigidity, when on the other hand can ensure that turning, the bite force of tire axial, it is ensured that tire is in turning and cast
Sufficiently large pattern block can rigidly resist shear stress and twisting resistance, and pattern block is not caused to generate excessive wriggling, cause cracking and
Chip off-falling problem.
Preferably, in above-mentioned tire, the first inclined surface of the center tap drain is from far from the center tap drain center line
One end to close to the center tap drain center line one end and the center tap drain bottom of trench the first angle value range
It is 8 ° -25 °, and the difference of the maximum value of first angle and minimum value is 3 ° -8 °；
And/or the first inclined surface of the shoulder main groove is from one end far from the shoulder main groove center line to close to described
The value range of second angle of the bottom of trench of one end of shoulder main groove center line and the shoulder main groove is 8 ° -25 °, and described the
The difference of the maximum values of two angles and minimum value is 3 ° -8 °, facilitates turning or when original place is spinned, maintains pattern block rigidity, and
Ensure tread contour tearing not to be made its chip off-falling by excessive shear stress and twisting resistance.
Preferably, in above-mentioned tire, the traverse furrow is connected to the shoulder main groove of the center tap drain and respective side, and
It is ladder-like that the traverse furrow is that the bending ditch that axially extends is presented, and turning point is designed using obtuse angle, helps to turn or original place
When spinning, certain pattern block rigidity is maintained, the excessive deflection of pattern block is will not occur and tread contour is caused to generate slight crack
Even tear the situation of chip off-falling.
Preferably, in above-mentioned tire, the circumferential grooves inclined surface of two sides and circumferential direction on same cross section
The bottom of trench angle of groove differs 3 ° -8 °, because making entire trench angles change from small to big again from large to small with a cross section different angle
Be staggered setting, and stone is stuck in bottom of trench discharge probability and becomes larger, and is effectively reduced when stone is stuck in bottom of trench and sinks deeper and deeper and then generate
The problem of bottom of trench cracking and further destruction inside tires structure.
Preferably, in above-mentioned tire, the ratio of the depth of the depth of the traverse furrow and the circumferential grooves is 0.5-
0.9, it can be ensured that while providing driving force, the brake force of wetland, and the tread contour deflection in traveling is allowed to minimize, drop
Its low rolling resistance.
Preferably, in above-mentioned tire, the lug boss is cone, elliptic conic shape or corrugated, and the recessed portion is
Cone, elliptic conic shape or corrugated, recessed portion is corresponding each other with lug boss, reduces stress concentration using fillet design and asks
Topic, and the rigidity for maintaining tread block certain, avoid the process of tire deflection deformation in traveling, inside siping
Lead to the problem of avalanche chip off-falling.
Preferably, in above-mentioned tire, wherein one end of the traverse furrow is set to the turning point of center tap drain, and the other end is set
It is placed in the turning point of shoulder main groove.
A kind of automobile, including tire, wherein the tire is tire described in any of the above embodiments.
As can be seen from the above technical solutions, a kind of tire disclosed in this invention, due to the circumferential grooves in the application
For multi-angle variation, the rigidity of pattern block when increasing turning improves the function of anti-horsestone, and tyre surface is arranged thin traverse furrow and can increase
Wetland performance inhibits tyre surface eccentric wear situation, the ratio of thin traverse furrow ditch depth and circumferential tap drain ditch depth, it can be ensured that provide the drive of wetland
While power, brake force, and the tread contour deflection in traveling is allowed to minimize, reduces its rolling resistance.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below to embodiment or existing
Attached drawing needed in technical description is briefly described, it is clear that, the accompanying drawings in the following description is only this hair
Bright embodiment for those of ordinary skill in the art without creative efforts, can also be according to mentioning
The attached drawing of confession obtains other attached drawings.
Fig. 1 is the structural schematic diagram of the partial structurtes of tire disclosed in the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of tire traverse furrow section disclosed in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of tire traverse furrow disclosed in the embodiment of the present invention；
Fig. 4 is the schematic diagram of circumferential grooves cross section disclosed in the embodiment of the present invention；
Fig. 5 is the scale diagrams of circumferential grooves and traverse furrow disclosed in the embodiment of the present invention.
Specific embodiment
In view of this, core of the invention is to provide a kind of tire, to improve the anti-horsestone function of tire, row is also provided
It sails when wetland, driving and braking ability can be effectively increased, while rolling resistance can be reduced.Another core of the invention is to mention
A kind of automobile with above-mentioned tire is supplied.
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
As Figure 1-Figure 5, the invention discloses a kind of tires, including the circumferential grooves G being arranged on tyre surface 1 and circumferential direction
The land portion that groove G is divided.Wherein, the above-mentioned two sides circumferential grooves G include the inclined surface that multiple groups are sequentially connected, and the tipper
The first inclined surface and the second inclined surface for being sequentially connected and being spaced apart including end, the first above-mentioned inclined surface and the second inclination
The inclined direction in face is opposite.Specifically, the circumferential grooves G in the application be U-type groove, the first inclined surface from one end to the other side with
The bottom of trench corner dimension of circumferential grooves G gradually changes, i.e. the centerline dip of the first inclined surface groove G with respect to the circumferential direction, and by
It is certain in the height of the slot bottom of circumferential grooves G, therefore, the inclined surface of circumferential grooves G with respect to the circumferential direction groove G bottom of trench angle not
Together.Due to the first inclined surface arrangement alternate with the second inclined surface, two ends of the first inclined surface and the angle of bottom of trench are
For the angle of two ends and bottom of trench of the second inclined surface.
Above-mentioned circumferential grooves G includes center tap drain G1 and shoulder main groove G2.Wherein, tap drain G1 in center is located at tyre surface 1
Centre, and the first inclined surface 31 of center tap drain G1 passes through with the corner dimension of center tap drain G1 bottom of trench gradually
Variation；Above-mentioned shoulder main groove G2 is located at the side of tyre surface 1, and concretely two, and it is symmetrical about the center tap drain G1
Arrangement, the first inclined surface 33 of shoulder main groove G2 passes through to be gradually changed with the corner dimension of shoulder main groove G2.Tool
Body, the side of center tap drain G1 and the side of shoulder main groove G2 are inclined surface.The side of center tap drain G1 is by center master
One end of the first inclined surface 31 of ditch G1 is tilted to the other end, while the second inclined surface 32 of center tap drain G1 is one end to another
End inclination, and need to guarantee the inclination side of the first inclined surface 31 of center tap drain G1 and the second inclined surface 32 of center tap drain G1
To on the contrary, to form the face of reciprocally bending advance.
Meanwhile the side of shoulder main groove G2 is to be tilted from one end of the first inclined surface 33 of shoulder main groove G2 to the other end,
The second inclined surface 34 of shoulder main groove G2 is that one end is tilted to the other end, and needs to guarantee that the first of shoulder main groove G2 inclines simultaneously
The inclined direction of inclined-plane 33 and the second inclined surface 34 of shoulder main groove G2 is on the contrary, to form the face of reciprocally bending advance.
In addition, above-mentioned land portion includes: center land portion SA and shoulder land department SB, wherein center land portion SA is located at tire shoulder master
Between ditch G2 and center tap drain G1, and shoulder land department SB is located at shoulder main groove G2 along the outside of tire axial.Due to shoulder main groove
G2 is two, and center tap drain G1 is one, and therefore, center land portion SA is two, and shoulder land department SB is also two.In specifically,
The heart land portion SA and shoulder land department SB are provided with traverse furrow G3, and traverse furrow G3 extends along tire axial and is arranged circumferentially along tire
Center land portion SA and shoulder land department SB are respectively divided into multiple core blocks.Disclosed herein is a kind of specific knots in land portion
Structure, it will be appreciated by persons skilled in the art that the shape and size in land portion can be selected according to different.
Traverse furrow G3 includes: external Geometrical discontinuity unit 41 and the discontinuous unit 42 of inner geometry.Wherein, for external several
Why not sequential cells 41 are located at along the radial outside of tire, and external Geometrical discontinuity unit 41 is with plane and/or song
Face is connected to form, so that traverse furrow G3 forms bending ditch.Specifically, external Geometrical discontinuity unit 41 can be different for tilt angle
Plane, which is formed by connecting, to be formed by connecting for plane and curved surface.The discontinuous unit 42 of above-mentioned inner geometry be located at it is external it is several why not
The inside of sequential cells 41 radially, and the discontinuous unit 42 of inner geometry is male and fomale(M&F).Preferably, the traverse furrow in the application
G3 is arranged along perpendicular to tyre surface, can guarantee tire in certain abrasion loss, tire can also maintain good road holding, driving
Power and brake force.
In further embodiment, the discontinuous unit 42 of inner geometry in the application includes the first internal element 421
With the second internal element 422, specifically, which is that concave plane and/or curved surface connect the recess to be formed
Portion, and the second internal element 422 is that concave plane and/or curved surface connect the lug boss to be formed, and the first internal element 421
With the alternate arrangement of the second internal element 422, the lug boss and the recessed portion are with the alternate arrangement in paddy peak and valley bottom
Structure, and the alternate arrangement in the lowest point of recessed portion described in the Gu Fengyu of the lug boss.421 He of the first internal element in the application
Second internal element 422 is arranged in the inside of external Geometrical discontinuity unit radially, and the two arranged for interval forms three-dimensional knot
Structure, while increasing wetland performance and inhibit tyre surface eccentric wear, and the wriggling for inhibiting pattern block excessive, reaching reduces rolling resistance
Effect.
Due to the angle that the bottom of trench of the circumferential grooves G in the application and the angle of side are variation, flower when increasing turning
The rigidity of line block improves the function of anti-horsestone.The design of traverse furrow can increase driving force, brake force, reduce rolling resistance, increase wetland
Performance inhibits tyre surface eccentric wear.
It in practice, can be according to the of different the first inclined surface 31 for needing to select center tap drain G1 and center tap drain G1
The tilt angle of two inclined surface 32, the first inclined surface 33 of simultaneous selection shoulder main groove G2 and the second inclined surface of shoulder main groove G2
34 tilt angle specifically, the tilt angle of shoulder main groove G2 and center tap drain G1 may be the same or different, and is being protected
It protects in range.Since the side of shoulder main groove G2 and center tap drain G1 are inclined surface, and bottom of trench height is constant, therefore, inclines
Inclined-plane is gradually changed relative to the distance of the center line of bottom of trench.
In preferred embodiment, the first inclined surface 31 of above-mentioned center tap drain G1 is from far from center tap drain G1 center line
The value range of one end to one end and the first angle of bottom of trench of center tap drain G1 close to center tap drain G1 center line is 8 ° -25 °,
And the maximum value of first angle and the difference of minimum value are 3 ° -8 °, define the center side tap drain G1 and bottom of trench herein
Tilt angle.Since the first inclined surface 31 of center tap drain G1 is connected with 32 end of the second inclined surface of center tap drain G1, and
The two arranged for interval and inclined direction are on the contrary, therefore, the variable angle and center tap drain of the first inclined surface 31 of center tap drain G1
The variable angle of the second inclined surface 32 of G1 is identical.
Meanwhile the first inclined surface 33 of shoulder main groove G2 is from one end far from shoulder main groove G2 center line to close to tire shoulder master
The value range of second angle of the bottom of trench of one end and shoulder main groove G2 of ditch G2 center line is 8 ° -25 °, and second angle
Maximum value and minimum value difference be 3 ° -8 °, define the tilt angle of the side shoulder main groove G2 and bottom of trench herein.In reality
In, since the first inclined surface 33 of shoulder main groove G2 is connected with 34 end of the second inclined surface of shoulder main groove G2, and between the two
Every arrangement and inclined direction is on the contrary, therefore, and the of the variable angle of the first inclined surface 33 of shoulder main groove G2 and shoulder main groove G2
The variable angle of two inclined surface 34 is identical, facilitates turning or original place when spinning, and maintains pattern block rigidity, and ensure not excessive
Shear stress and twisting resistance by tread contour tearing make its chip off-falling.
The shoulder main groove G2 of traverse furrow G3 connection center tap drain G1 and respective side in the application, and traverse furrow G3 is along axial direction
The bending ditch turning point of extension is designed using obtuse angle, facilitates turning or original place when spinning, and maintains certain pattern block rigidity, no
It causes to generate the excessive deflection of pattern block and tread contour is caused to generate the situation that slight crack even tears chip off-falling.For traverse furrow G3's
Shape and size can need to be arranged according to different.
Due to circumferential grooves G side be inclined surface, and circumferential grooves G on same cross section the inclined surface of two sides with
The bottom of trench angle of circumferential grooves G is respectively θ 1 and θ 2, and the two differs 3 ° -8 °, i.e., on same cross section, circumferential grooves G
The distance of the inclined surface of two sides to ditch groove center line is different, and since the depth of circumferential grooves G is identical, same cross section
The inclined surface of upper two sides is different from the bottom of trench angle of circumferential grooves G, because with a cross section different angle, make entire trench angles by
Become smaller the setting that is staggered of changing from small to big again greatly, stone, which is stuck in bottom of trench probability is discharged, to become larger, when stone is effectively reduced being stuck in bottom of trench
It sinks deeper and deeper and then leads to the problem of bottom of trench cracking and further destroy inside tires structure.
In further embodiment, the ratio of the depth D of the depth d1 and circumferential grooves G of the traverse furrow G3 in the application are
0.5-0.9.It for the depth of traverse furrow G3 and circumferential grooves G, can be set according to actual needs, and in protection scope,
Need to meet the requirement of the intensity and wearability of tire.The ratio of traverse furrow G3 depth d1 and circumferential grooves G depth D in the application
While can ensure that the driving force for providing wetland, brake force, and the tread contour deflection in traveling is allowed to minimize, reduces it
Rolling resistance.
It can be cone, elliptic conic shape or corrugated for the shape of the first internal element 421, and the second internal element
422 shape can be cone, elliptic conic shape or corrugated.Specifically, this it is corrugated for triangle formed it is corrugated or
Rectangle is formed corrugated, and recessed portion is corresponding each other with lug boss, reduces problem of stress concentration using fillet design, and
The rigidity for maintaining tread block certain, avoids the process of tire deflection deformation in traveling, generates and collapses inside siping
Fold block problem.
Wherein one end of traverse furrow G3 is set to the turning point of center tap drain G1, and the other end is set to the turnover of shoulder main groove G2
Place.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (8)
1. a kind of tire, the land portion including the circumferential grooves (G) being arranged on tyre surface (1) and the circumferential grooves (G) division,
It is characterized in that:
Circumferential grooves (G) two sides include the first inclined surface and the second inclined surface that end is sequentially connected and is spaced apart,
The inclined direction of first inclined surface and the second inclined surface is on the contrary, the circumferential grooves (G) are U-type groove, and described first
Bottom of trench corner dimension of the inclined surface from one end to the other side with the circumferential grooves (G) gradually changes；
The circumferential grooves (G) include: the center tap drain (G1) intermediate positioned at the tyre surface (1), and the center tap drain (G1)
The first inclined surface (31) pass through and gradually changed with the bottom of trench corner dimension of the center tap drain (G1), it is described in
The first inclined surface (31) of heart tap drain (G1) and the second inclined surface (32) arranged for interval of the center tap drain (G1), and end
The inclined direction that is connected is opposite；Shoulder main groove (G2) positioned at the tyre surface (1) side, and the first of the shoulder main groove (G2) inclines
Inclined-plane (33) passes through to be gradually changed with the corner dimension of the shoulder main groove (G2) bottom of trench, the shoulder main groove
(G2) the second inclined surface (34) arranged for interval of the first inclined surface (33) and the shoulder main groove (G2), and end be connected incline
Tilted direction is opposite；
The land portion includes:
Center land portion (SA), center land portion (SA) is between the shoulder main groove (G2) and the center tap drain (G1)；
Shoulder land department (SB), the shoulder land department (SB) are located at the shoulder main groove (G2) along the outside of the tire axial；In described
Heart land portion (SA) and the shoulder land department (SB) are provided with traverse furrow (G3), and the traverse furrow (G3) extends along tire axial and edge
Tire, which is arranged circumferentially, is respectively divided into multiple core blocks for center land portion (SA) and the shoulder land department (SB)
And pattern block on tire shoulder；
The traverse furrow (G3) includes:
External Geometrical discontinuity unit (41), the external Geometrical discontinuity unit (41) are located at along the radial outside of tire,
The external Geometrical discontinuity unit (41) is to be connected to form with plane and/or curved surface；The discontinuous unit of inner geometry (42), institute
It states the discontinuous unit of inner geometry (42) and is located at the inside of the external Geometrical discontinuity unit (41) radially, and the inside
Geometrical discontinuity unit (42) is male and fomale(M&F)；
The discontinuous unit of inner geometry (42) includes: the first internal element (421), and first internal element (421) is
Concave plane and/or curved surface connect the recessed portion to be formed；Second internal element (422), second internal element (422) are
Concave plane and/or curved surface connect the lug boss to be formed, and first internal element (421) and second internal element
(422) alternate arrangement, the lug boss and the recessed portion are the structure with the alternate arrangement in paddy peak and valley bottom, and described convex
The alternate arrangement in the lowest point of recessed portion described in the Gu Fengyu in the portion of rising.
2. tire according to claim 1, which is characterized in that the first inclined surface (31) of the center tap drain (G1) is from remote
The one end and the center master of one end to close center tap drain (G1) center line from center tap drain (G1) center line
The value range of first angle of the bottom of trench of ditch (G1) is 8 ° -25 °, and the difference of the maximum value of first angle and minimum value
It is 3 ° -8 °；
And/or the first inclined surface (33) of the shoulder main groove (G2) from far from the shoulder main groove (G2) center line one end to
Close to the value range of the second angle of the bottom of trench of one end and shoulder main groove (G2) of the shoulder main groove (G2) center line
It is 8 ° -25 °, and the difference of the maximum value of second angle and minimum value is 3 ° -8 °.
3. tire according to claim 1, which is characterized in that the traverse furrow (G3) is connected to the center tap drain (G1) and right
The shoulder main groove (G2) of side is answered, and the traverse furrow (G3) is the bending ditch axially extended.
4. tire according to claim 1, which is characterized in that circumferential grooves (G) two sides on same cross section
Inclined surface differs 3 ° -8 ° with the bottom of trench angle of the circumferential grooves (G).
5. tire according to claim 1, which is characterized in that the depth and the circumferential grooves (G) of the traverse furrow (G3)
Depth ratio be 0.5-0.9.
6. tire according to claim 1, which is characterized in that the lug boss is cone, elliptic conic shape or corrugated；
The recessed portion is cone, elliptic conic shape or corrugated.
7. tire according to claim 1, which is characterized in that wherein one end of the traverse furrow (G3) is set to center tap drain
(G1) turning point, the other end are set to the turning point of shoulder main groove (G2).
8. a kind of automobile, including tire, which is characterized in that the tire is such as the described in any item tires of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910838507.7A CN110481246A (en) | 2019-09-05 | 2019-09-05 | A kind of automobile and its tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910838507.7A CN110481246A (en) | 2019-09-05 | 2019-09-05 | A kind of automobile and its tire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110481246A true CN110481246A (en) | 2019-11-22 |
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| CN201910838507.7A Withdrawn CN110481246A (en) | 2019-09-05 | 2019-09-05 | A kind of automobile and its tire |
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| JPH07101208A (en) * | 1993-10-04 | 1995-04-18 | Yokohama Rubber Co Ltd:The | Pneumatic radial tire for heavy load |
| US20100006198A1 (en) * | 2006-08-30 | 2010-01-14 | Bridgestone Corporation | Pneumatic tire |
| JP2012228992A (en) * | 2011-04-27 | 2012-11-22 | Yokohama Rubber Co Ltd:The | Pneumatic tire |
| CN104553626A (en) * | 2013-10-23 | 2015-04-29 | 韩国轮胎株式会社 | Kerf structure for snow tire |
| CN105291710A (en) * | 2014-06-04 | 2016-02-03 | 住友橡胶工业株式会社 | Pneumatic tire |
| CN106394140A (en) * | 2015-07-28 | 2017-02-15 | 住友橡胶工业株式会社 | Heavy duty pneumatic tire |
| CN106494158A (en) * | 2015-09-08 | 2017-03-15 | 东洋橡胶工业株式会社 | Pneumatic tire |
| EP3263368A1 (en) * | 2015-01-06 | 2018-01-03 | Sumitomo Rubber Industries, Ltd. | Heavy duty pneumatic tire |
| CN109397994A (en) * | 2017-08-18 | 2019-03-01 | 住友橡胶工业株式会社 | Tire |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07101208A (en) * | 1993-10-04 | 1995-04-18 | Yokohama Rubber Co Ltd:The | Pneumatic radial tire for heavy load |
| US20100006198A1 (en) * | 2006-08-30 | 2010-01-14 | Bridgestone Corporation | Pneumatic tire |
| JP2012228992A (en) * | 2011-04-27 | 2012-11-22 | Yokohama Rubber Co Ltd:The | Pneumatic tire |
| CN104553626A (en) * | 2013-10-23 | 2015-04-29 | 韩国轮胎株式会社 | Kerf structure for snow tire |
| CN105291710A (en) * | 2014-06-04 | 2016-02-03 | 住友橡胶工业株式会社 | Pneumatic tire |
| EP3263368A1 (en) * | 2015-01-06 | 2018-01-03 | Sumitomo Rubber Industries, Ltd. | Heavy duty pneumatic tire |
| CN106394140A (en) * | 2015-07-28 | 2017-02-15 | 住友橡胶工业株式会社 | Heavy duty pneumatic tire |
| CN106494158A (en) * | 2015-09-08 | 2017-03-15 | 东洋橡胶工业株式会社 | Pneumatic tire |
| CN109397994A (en) * | 2017-08-18 | 2019-03-01 | 住友橡胶工业株式会社 | Tire |
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Application publication date: 20191122 |