A kind of asymmetric tread pattern and tire
Technical field
The utility model belongs to tyre technology, more particularly, to a kind of asymmetric tread pattern and a kind of tire.
Background technology
With scientific and technical raising automotive performance being required with people that develops rapidly, the tire of common performance can not
Meet people and pursue motion, comfortable, quiet and the performance such as at a high speed requirement.The tire of general car, sports car and sport car
In the process of moving, should ensure there is excellent drainage performance when raining, ensure to have on dry, wet road surface stable curving again
Energy and maneuvering performance, and it is provided that comfortable, quiet riding experience when running at high speed.
Chinese utility model patent CN202879164U discloses a kind of tread contour reducing tire pumping noise, including
Center running lug, sidepiece pattern block and pattern block on tire shoulder, the inner side of center running lug is provided with transverse pattern groove, central decorative pattern
It is spaced by annular ribs groove between block and sidepiece pattern block, sidepiece pattern block and pattern block on tire shoulder, outside annular ribs ditch
Groove assists transverse pattern groove to be connected with central authorities' longitudinal direction groove groove by sidepiece pattern block, and adjacent pattern block on tire shoulder passes through
Tire shoulder transverse pattern groove is spaced, and tire shoulder transverse pattern groove connects with the assistant longitudinal decorative pattern groove on pattern block on tire shoulder.Should
Tire tread pattern can reduce the pumping noise of tire transverse pattern groove, has good braking ability and operational stability
Energy.But tire shoulder transverse pattern groove is connected with annular ribs groove, tire shoulder transverse pattern groove and annular ribs can be caused
The sympathetic response of groove interior air-flow, is unfavorable for reducing the noise of tire.
Chinese utility model patent CN204236149U discloses a kind of asymmetric tread structure of decorative pattern differentiation, and tyre surface divides
Centered on region and described central area both sides shoulder zone;Some thin decorative pattern ribs are provided with described central area,
External shoulder pattern block and inner side pattern block on tire shoulder are provided with described shoulder zone;Some described thin decorative pattern ribs, outside tire
Shoulder pattern block and inner side pattern block on tire shoulder are spaced apart by some longitudinal main lines;Described external shoulder pattern block includes some
One closing groove, described inner side pattern block on tire shoulder includes some second closing grooves.This asymmetric tread structure of decorative pattern differentiation
Possesses good drainage performance, however, not arranging tiny flower inside outside pattern block on tire shoulder and inner side pattern block on tire shoulder
Groove, is unfavorable for distributing the heat that external shoulder pattern block and inner side pattern block on tire shoulder produce, and shoulder region rigidity is larger,
It is unfavorable for reducing noise during running at high speed for the tire.
Therefore, how to realize the handling of good drainage performance and dry and wet ground, and reduction was run at high speed
In journey, the noise of tire and the motion generation of tread contour groove interior air-flow, makes driver have more comfortable, quiet riding experience,
Become the emphasis of tire tread pattern designer's overriding concern.
Utility model content
The utility model is directed to the technical problem that above-mentioned tire when running at high speed produces loud noise, proposes a kind of high speed
The less asymmetric tread pattern of noise ratio and tire that in tire and decorative pattern groove during traveling, gas produces, disclosure satisfy that simultaneously
Good earth-catching property and manipulation stability.
In order to achieve the above object, the technical solution adopted in the utility model is:A kind of asymmetric tread pattern, at least wraps
Include the pattern block along the circumferentially continuous distribution of tyre surface, pattern block includes the central decorative pattern that circumferential center line is coincided with the tyre surface equatorial plane
Block, positioned at the first pattern block on tire shoulder of left side tire shoulder position, positioned at the second pattern block on tire shoulder of right side tire shoulder position, centrally located
The first pattern block between pattern block and the first pattern block on tire shoulder, and between centrally located pattern block and the second pattern block on tire shoulder
The second pattern block, the axial width of the first pattern block and the second pattern block is unequal, the first pattern block on tire shoulder and the second tire shoulder
The axial width of pattern block is unequal, is provided with along the circumferentially extending silencing groove of tyre surface, noise reduction in the second pattern block circumference anchor ring
Groove includes the noise reduction line along the bloop of the circumferentially-spaced cycle arrangement of tyre surface and coupling together two neighboring bloop.
Preferably, bloop is the funnel shaped that falls along tire radial direction, noise reduction line is along the circumferentially extending rill of tyre surface.
Preferably, asymmetric tread pattern also includes along the circumferentially extending gutter of tyre surface, during gutter includes being located at
The first gutter between centre pattern block and the first pattern block, the second draining between centrally located pattern block and the second pattern block
Ditch, positioned at the 3rd gutter of the first pattern block and the first pattern block on tire shoulder support, and is located at the second pattern block and second fetus
The 4th gutter between shoulder pattern block, and the width in the 3rd gutter is more than the 4th gutter.
Preferably, asymmetric tread pattern also includes lateral trench axially extended along tyre surface, lateral trench includes position
In the first lateral trench between two neighboring first pattern block on tire shoulder and be located at two neighboring second pattern block on tire shoulder between
The second lateral trench, the 3rd lateral trench between two neighboring center running lug, positioned at two neighboring first pattern block it
Between the 4th lateral trench, and be located at two neighboring second pattern block between the 5th lateral trench.
Preferably, the first lateral trench is along the axially horizontal reaping hook shape of tyre surface, with the first tire shoulder decorative pattern on the left of it
Block is connected, and right side is not connected with the 3rd gutter;Second lateral trench and the first lateral trench are with respect to center running lug
Some Central Symmetries on circumferential center line.
Preferably, the left side of the 3rd lateral trench is connected with the first gutter, the left side of the 4th lateral trench and the
Three gutters are connected, and the left side of the 5th lateral trench is connected with the second gutter.
Preferably, asymmetric tread pattern also includes steel disc axially extended along tyre surface, steel disc is included positioned at the first tire
The first steel disc within shoulder pattern block, positioned at the second internal soon steel disc of the second tire shoulder decorative pattern, and is located in the first pattern block
3rd steel disc in portion.
Preferably, the left side of the first steel disc is connected with the left side edge of the first pattern block on tire shoulder, right side and the 3rd row
Ditch is connected;The connection related to the right side edge of the second pattern block on tire shoulder of the right side of the second steel disc;The right side of the 3rd steel disc with
First gutter is connected.
Preferably, gutter also includes along the 5th gutter that tyre surface is circumferentially extending in the second pattern block on tire shoulder,
The axial width in the 5th gutter is less than other gutters, and is connected with all second lateral trench.
The technical solution of the utility model also provides a kind of tire, including the tyre surface contacting with ground when travelling, on tyre surface
Above-mentioned asymmetric tread pattern is set.
Compared with prior art, advantage of the present utility model and good effect are:
1st, the pattern block of asymmetric tread pattern of the present utility model is with respect to the tyre surface circumference asymmetric setting of the equatorial plane, energy
Effectively reduce the sympathetic response of tire during running at high speed, thus effectively reducing tire in the noise of middle generation of running at high speed.
2nd, the silencing groove of asymmetric tread pattern of the present utility model is set to bloop and noise reduction line cooperates, and passes through
The change of circulation area reduces gas pressure, and then reduces the noise that the motion of tyre surface outer gas stream produces, thus reducing wheel
Tire is in the noise of middle generation of running at high speed.
3rd, the pattern block on tire shoulder of asymmetric tread pattern of the present utility model is closed, improves grabbing during tempo turn
Ground performance and manipulation stability.
4th, the 3rd gutter positioned at inner side of asymmetric tread pattern of the present utility model is than the 4th row positioned at outside
Ditch is broader, effectively increases the contact area of outside decorative pattern, enhances the rigidity of outside pattern block, thus having good
High speed steering handling.
5th, asymmetric tread pattern of the present utility model is provided with broad lateral trench and narrower steel disc, the row of improve
Aqueous energy, shortens the braking distance of wet-skid road surface, also has stable handling on wet-skid road surface.
Brief description
Fig. 1 is the structural representation of asymmetric tread pattern of the present utility model.
Above in figure:1st, pattern block;11st, center running lug;12nd, the first pattern block;13rd, the second pattern block;14th, the first tire
Shoulder pattern block;15th, the second pattern block on tire shoulder;2nd, gutter;21st, the first gutter;22nd, the second gutter;23rd, the 3rd draining
Ditch;24th, the 4th gutter;25th, the 5th gutter;3rd, lateral trench;31st, the first lateral trench;32nd, the second lateral trench;33、
3rd lateral trench;34th, the 4th lateral trench;35th, the 5th lateral trench;4th, steel disc;41st, the first steel disc;42nd, the second steel disc;
43rd, the 3rd steel disc;5th, silencing groove;51st, bloop;52nd, noise reduction line.
Specific embodiment
Below, by exemplary embodiment, the utility model is specifically described.It should be appreciated, however, that not having
In the case of being further discussed below, the element in an embodiment, structure and features can also be advantageously incorporated into other enforcements
In mode.
In description of the present utility model, it should be noted that the traveling axle of tire is axially, circumferencial direction is circumference,
Direction along radius is radially;And along radius increase direction be outside, along radius reduction direction be inside;Term " interior ",
" outward ", " on ", D score, the orientation of instruction such as "front", "rear" "left", "right" or position relationship be based on the position shown in accompanying drawing 1
Relation, is for only for ease of description the utility model and simplifies description, rather than the device of instruction or hint indication or element must
Must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.This
Outward, term " first ", " second ", " the 3rd ", " the 4th ", " the 5th " are only used for describing purpose, and it is not intended that indicating or dark
Show relative importance.
Referring to Fig. 1, Fig. 1 is the structural representation of asymmetric tread pattern of the present utility model.It is illustrated in figure 1 this practicality
A kind of one embodiment of new asymmetric tread pattern, the asymmetric tread pattern in the present embodiment was at least included along tyre surface week
To the pattern block 1 of continuous distributed, pattern block 1 includes the center running lug 11 that circumferential center line is coincided, position with the tyre surface equatorial plane
In the first pattern block on tire shoulder 14 of left side tire shoulder position, positioned at the second pattern block on tire shoulder 15 of right side tire shoulder position, centrally located
The first pattern block 12 between pattern block 11 and the first pattern block on tire shoulder 14, and centrally located pattern block 11 and the second tire shoulder flower
The second pattern block 13 between line block 15, the axial width of the first pattern block 12 and the second pattern block 13 is unequal, the first tire shoulder
The axial width of pattern block 14 and the second pattern block on tire shoulder 15 is unequal.Pattern block 1 is asymmetric with respect to the tyre surface circumference equatorial plane
Setting, can effectively reduce the sympathetic response of tire during running at high speed, thus effectively reducing tire in middle generation of running at high speed
Noise.
It is provided with along the circumferentially extending silencing groove of tyre surface 5 in the circumferential anchor ring of second pattern block 13, silencing groove 5 is included along tyre surface
The bloop 51 of circumferentially-spaced cycle arrangement and the noise reduction line 52 that two neighboring bloop 51 is coupled together.Bloop 51 is
Along the funnel shaped that falls of tire radial direction, noise reduction line 52 is along the circumferentially extending rill of tyre surface.Asymmetric flower in this technical scheme
Line block 1 can effectively reduce run at high speed during tire sympathetic response, and noise reduction groove 5 can absorb outer gas stream motion produce
Noise, thus effectively reducing tire in the noise of middle generation of running at high speed.Further, the air-flow in noise reduction line 52 enters
After entering in bloop 51, because circulation area increases, release the fluctuation pressure of air-flow, thus reducing air motion generation
Noise, and, bloop 51 and noise reduction line 52 also add the rigidity of the second pattern block 13, improve earth-catching property, and contribute to
Increase the radiating efficiency of the second pattern block 13.
With continued reference to Fig. 1, as shown in figure 1, asymmetric tread pattern is also included along the circumferentially extending gutter of tyre surface 2, point
It is not:The first gutter 21 between center running lug 11 and the first pattern block 12, centrally located pattern block 11 and the second decorative pattern
The second gutter 22 between block 13, be located at the first pattern block 12 and the first pattern block on tire shoulder 14 support the 3rd gutter 23,
And positioned at the 4th gutter 24 between the second pattern block 13 and the second pattern block on tire shoulder 15, and it is located at the second tire shoulder decorative pattern
The 5th gutter 25 in block 15.The ponding of tire ground area can be discharged rapidly in gutter, improves tire in wet-skid road surface
On manipulation stability.Width positioned at the 3rd gutter 23 inside tyre surface is more than the 4th gutter outside tyre surface
24, effectively increase outside tire contact area, strengthen the rigidity of outside pattern block so that tire have when turning to excellent
Steering manipulation performance.The axial width in the 5th gutter 25 in the second pattern block on tire shoulder 15 is less than other gutters,
Contribute to the heat that the second pattern block on tire shoulder 15 positioned at outside distributes tire generation in time, and improve the second tire shoulder decorative pattern
The drainage performance of block 15.
Pass through the first lateral trench 31 between two neighboring first pattern block on tire shoulder 14 to be spaced apart, the first lateral trench 31 is
Along the axially horizontal reaping hook shape of tyre surface, its axial length is the 90% of the first pattern block on tire shoulder 14 axial width.First is horizontal
The left side of groove 31 is connected with the left side edge of the first pattern block on tire shoulder 14, and right side is not connected with the 3rd gutter 23.Phase
It is spaced apart by the second lateral trench 32 between adjacent two the second pattern block on tire shoulders 15, the second lateral trench 32 and the first horizontal ditch
Groove 311 is with respect to some Central Symmetries on the circumferential center line of center running lug 11.First lateral trench 31 and the second horizontal ditch
Groove 32 extends respectively to the first pattern block on tire shoulder 14 left side edge and the right side edge of the second pattern block on tire shoulder 15, contributes at a high speed
During traveling, the ponding in the first pattern block on tire shoulder 14 and the second pattern block on tire shoulder 15 is discharged rapidly, reduce tyre surface access area
The water accumulating volume in domain, improves tire ground connection performance.On the other hand, the first lateral trench 31 and the second lateral trench 32 be not respectively with the
Three gutters 23 are connected with the 4th gutter 24 so that the first pattern block on tire shoulder 14 and the second pattern block on tire shoulder 15 are closed
Structure, improves earth-catching property during tire tempo turn and manipulation stability, makes to drive safety and reliability at a high speed.
From the second pattern block on tire shoulder 15, all second between the 5th gutter 25 and the second pattern block on tire shoulder 15 are horizontal
It is connected to groove 32, the ponding of the second lateral trench 32 can be made to flow out to the 5th gutter 25, improve further outside being located at
The drainability of the second pattern block on tire shoulder 15 of side, improves the manipulation stability of wet-skid road surface.When tire is run at high speed, due to tire
The extruding in face, can produce gas flowing, the 5th gutter 15 and the second transverse pattern groove in the second transverse pattern groove 32
32 are connected, and can effectively shunt the air-flow in the second transverse pattern groove 32, thus reduce in the second transverse pattern groove 32 by
The gas noise producing in gas pressure.Meanwhile, the 5th gutter 25 contributes to distributing the second pattern block on tire shoulder 15 and rolls
During produce heat.
From center running lug 11, the first pattern block 12 and the second pattern block 13, two neighboring center running lug 11 it
Between be spaced by the 3rd lateral trench 33, be spaced by the 4th lateral trench 34 between two neighboring first pattern block 12, adjacent
It is spaced by the 5th lateral trench 35 between two the second pattern blocks 13, the 3rd lateral trench 33, the 4th lateral trench 34 and
Five lateral trench 35 are acclivitous curve shape.Wherein, the axial length of the 3rd lateral trench 33 is center running lug
The 50% of 11 axial widths, and left side is connected with the first gutter 21;The axial length of the 4th lateral trench 34 is the first flower
The 50%~60% of line block 12 axial width, and left side is connected with the 3rd gutter 23;The axial direction of the 5th lateral trench 35 is long
Spend 30%~40% for the second pattern block 13 axial width, and left side is connected with the second gutter 22.3rd lateral trench
33rd, the 4th lateral trench 34 is connected with to neighbouring gutter respectively with the 5th lateral trench 35, improves positioned at crown zone
The drainability of the center running lug 11 in domain, the first pattern block 12 and the second pattern block 13, shorten the brake of wet-skid road surface away from
From so that tire also shows good manipulation stability in wet-skid road surface.Increased center running lug 11, the first decorative pattern simultaneously
Block 12 and the rigidity of the second pattern block 13, optimize the stress concentration in this region, with ground during minimizing tire high speed scroll
Impact, thus reduce due to crown region pattern block 1 itself vibration produce tyre noise.
With continued reference to Fig. 1, as shown in figure 1, the first pattern block on tire shoulder 14 is internally provided with bending with the first lateral trench 31
The first consistent steel disc 41 of direction;Second pattern block on tire shoulder 15 is internally provided with and is connected as a body by curved portion and V-shaped part
The second steel disc 42, wherein, curved portion is consistent with the bending direction of the second lateral trench 32, the opening upwards of V-shaped part;The
One pattern block 12 is internally provided with threeth steel disc 43 consistent with the 4th lateral trench 34 bending direction.The left side of the first steel disc 41
It is connected with the left side edge of the first pattern block on tire shoulder 14, right side is connected with the 3rd gutter 23;The axial direction of the second steel disc 42
Length is the 60%~70% of the second pattern block on tire shoulder 15 axial width, and the right side edge of right side and the second pattern block on tire shoulder 15
Related connection;The axial length of the 3rd steel disc 43 is the 50% of the first pattern block 12 axial width, and right side and the first gutter
21 are connected.First steel disc 41, the second steel disc 42 and the 3rd steel disc 43 can reduce the first pattern block on tire shoulder 14, the second tire shoulder flower
Line block 15 and the rigidity of the first pattern block 13, that improves them grabs ground ability, thus improving the comfortableness of riding experience moreover it is possible to increase
Plus their area of dissipation, the heat that exclusion tire produces during running at high speed in time.On the other hand, the first steel disc 41,
Second steel disc 42 and the 3rd steel disc 43 make the edge of the first pattern block on tire shoulder 14, the second pattern block on tire shoulder 15 and the first pattern block 13
For discontinuous sharp edges, quickly the moisture film of tyre surface can be destroyed, improve tire and in the dry, earth-grasping force on wet road surface and stablize
Property.
The present embodiment also provides a kind of tire, including the tyre surface 6 contacting with ground when travelling, tyre surface 6 is provided with as above
State described asymmetric tread pattern.Here is not carefully stated.