CN103112320B - Low-noise tread pattern block - Google Patents
Low-noise tread pattern block Download PDFInfo
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- CN103112320B CN103112320B CN201310057948.6A CN201310057948A CN103112320B CN 103112320 B CN103112320 B CN 103112320B CN 201310057948 A CN201310057948 A CN 201310057948A CN 103112320 B CN103112320 B CN 103112320B
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- pattern block
- groove
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- tread
- side wall
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Abstract
A kind of Low-noise tread pattern block, comprise a tread surface, the a plurality of pattern blocks being distributed with a plurality of groove in tread surface and being surrounded by groove, include rib portion all separately between the surface of any one pattern block and the side wall surface of adjacent groove, wherein trend and the angle of tire circumference line of centers are greater than or equal to 20 degree and the rib portion being less than or equal to 90 degree is set to chamfering structure.In the section of chamfering structure, the edge of chamfering is camber line or straight line or is linked in sequence the tortuous line segment formed by plural linear portion, and the starting point of camber line or straight line or tortuous line segment and terminal lay respectively in the surface of pattern block and the side wall surface of groove.The present invention effectively reduces the impact noise that pattern block edge produces, and has both decreased the area of pattern block simultaneously, and has expanded again the opening of groove, can reduce the frictional noise of pattern block, and reduce the air hydrodynamic noise in groove.
Description
Technical field:
The present invention relates to tire for vehicles field, particularly relate to the cros-rib tread blocks design technology of surface of tyre, particularly reduce the shock of pattern block and the technology of frictional noise, particularly a kind of Low-noise tread pattern block.
Background technology:
Squeal of tire is primarily of groove noise factors such as (cause) air pumping, sympathetic response and turbulent flows, pattern block noise (clash into and the factor such as friction causes) and vibration noise (the various vibration of tire causes) composition.Surface of tyre (i.e. tread) has many positions that falls in be called as groove, all the other positions do not fallen in, and is namely called as pattern block by the position that groove surrounds.That squeal of tire mechanism or squeal of tire experiment all show, groove can produce very large air hydrodynamic noise, if the edge that pattern block is sharp-pointed is larger with the angle of tire circumference line of centers, can produce impact noise, the surface of pattern block can produce frictional noise.Therefore, by reducing the quantity of groove, the noise produced by groove can be reduced, groove quantity decreases the quantity of pattern block while reducing, therefore can reduce the noise that shock road surface, pattern block edge produces simultaneously, but in order to the in-use performance (driving, braking etc.) ensureing tire tread, tire tread necessarily has the groove of sufficient amount, so the method not by reducing groove quantity reduces squeal of tire.In prior art, mainly through adjusting the shape of groove, size (length and angle etc.) and arrangement (distribution) etc. because of usually minimizing groove noise, and by the structure and material that adjusts tire and reduce tire vibration noise with mating of vehicle, but not yet propose effective means and reduce the noise of pattern block.
Summary of the invention:
The object of the present invention is to provide a kind of Low-noise tread pattern block, described this Low-noise tread pattern block will solve in prior art the technical matters that cannot reduce the noise that pattern block produces in tread surface.
This Low-noise tread pattern block of the present invention, comprise a tread surface, the a plurality of pattern blocks being distributed with a plurality of groove in described tread surface and being surrounded by described groove, wherein, include rib portion all separately between the surface of the pattern block described in any one and the side wall surface of adjacent groove, wherein trend and the angle of tire circumference line of centers are greater than or equal to 20 degree and the rib portion being less than or equal to 90 degree is set to chamfering structure.
Further, in the section of described chamfering structure, the edge of chamfering is camber line or straight line or is linked in sequence the tortuous line segment formed by plural linear portion, and the starting point of described camber line or straight line or tortuous line segment and terminal lay respectively in the surface of pattern block and the side wall surface of groove.
Further, described camber line is circular arc, and the radius of described circular arc is less than 1/3rd of the width of groove in tread surface of its correspondence and is less than 1/5th of the groove extreme depth of its correspondence and is less than 1/3rd of the width of pattern block in tread surface of its correspondence.
Further, described a plurality of grooves include a plurality of circumferential pattern ditch and a plurality of cross groove.
Further, the rib portion that trend and tire circumference centerline parallel or angle are less than 20 degree is also set to chamfering structure.
Further, in the section of described chamfering structure, the edge of chamfering by plural linear portion be linked in sequence form time, the linear portion described in any one is all isometric with adjacent linear portion.
Principle of work of the present invention is: the present invention changes traditional pattern block surface and the direct connection mode of groove side wall surface, by the means at passivation pattern block edge, connect pattern block surface and groove side wall surface, effectively reduce the impact noise that pattern block edge produces, both decreased the area of pattern block simultaneously, have also been enlarged the opening of groove, so also the frictional noise of pattern block can be reduced, and reduce the air hydrodynamic noise in groove.By adjusting the radius of circular arc, or carrying out alternative arc surface by one or more plane, and can keep finding balance between decorative pattern propulsive effort at minimizing noise.
The present invention compares with prior art, and its effect is actively with obvious.The rib portion of the present invention between tire tread block and adjacent groove arranges chamfering, effectively reduce the impact noise that pattern block edge produces, both decreased the area of pattern block simultaneously, expand again the opening of groove, the frictional noise of pattern block can be reduced, and reduce the air hydrodynamic noise in groove.
Accompanying drawing illustrates:
Fig. 1 is the schematic diagram of Low-noise tread pattern block of the present invention.
Fig. 2 is the schematic diagram of the rib portion section in the first embodiment of Low-noise tread pattern block of the present invention.
Fig. 3 is the schematic diagram of the rib portion section in the second embodiment of Low-noise tread pattern block of the present invention.
Fig. 4 is the schematic diagram of the rib portion section in the 3rd embodiment of Low-noise tread pattern block of the present invention.
Fig. 5 is the rib portion section in the 4th embodiment of Low-noise tread pattern block of the present invention and close-up schematic view wherein.
Detailed description of the invention:
As shown in Figure 1, Low-noise tread pattern block of the present invention, comprise a tread surface, the a plurality of pattern blocks 1 being distributed with a plurality of groove 2 in described tread surface and being surrounded by described groove 2, wherein, include rib portion all separately between the surface of the pattern block 1 described in any one and the side wall surface of adjacent groove 2, wherein trend and the angle of tire circumference line of centers are greater than or equal to 20 degree and the rib portion being less than or equal to 90 degree is set to chamfering structure 3.
Further, described a plurality of grooves 2 include a plurality of circumferential pattern ditch and a plurality of cross groove.
Further, the rib portion that trend and tire circumference centerline parallel or angle are less than 20 degree is also set to chamfering structure 3.
Embodiment 1:
As shown in Figure 2, in the section of described chamfering structure 3, the edge of chamfering is camber line, and the starting point of described camber line and terminal lay respectively in the surface of pattern block 1 and the side wall surface of groove 2.
Further, described camber line is circular arc, and the radius of described circular arc is less than 1/3rd of the width of groove 2 in tread surface of its correspondence and is less than 1/5th of groove 2 extreme depth of its correspondence and is less than 1/3rd of the width of pattern block 1 in tread surface of its correspondence.
Embodiment 2:
As shown in Figure 3, in the section of described chamfering structure 3, the edge of chamfering is straight line 4, and the starting point of described straight line 4 and terminal lay respectively in the surface of pattern block 1 and the side wall surface of groove 2.
Embodiment 3:
As shown in Figure 4, in the section of described chamfering structure 3, the edge of chamfering to be linked in sequence the tortuous line segment formed by linear portion 5 and linear portion 6, and the starting point of described tortuous line segment and terminal lay respectively in the surface of pattern block 1 and the side wall surface of groove 2.
Further, linear portion 5 and linear portion 6 linear portion isometric.
Further, linear portion 5 and the point of connection of linear portion 6, the starting point of tortuous line segment and terminal are all positioned on same circular arc.
Embodiment 4:
As shown in Figure 5, in the section of described chamfering structure 3, the edge of chamfering to be linked in sequence the tortuous line segment formed by linear portion 7, linear portion 8 and linear portion 9, and the starting point of described tortuous line segment and terminal lay respectively in the surface of pattern block 1 and the side wall surface of groove 2.
Further, linear portion 7, linear portion 8 and linear portion 9 are isometric.
Further, the starting point of tortuous line segment, terminal and linear portion 7, point of connection between linear portion 8 and linear portion 9 are all positioned on same circular arc.
The principle of work of above embodiment is: the present invention changes traditional pattern block 1 surface and the direct connection mode of groove 2 side wall surface, by the means at passivation pattern block 1 edge, connect pattern block 1 surface and groove 2 side wall surface, effectively reduce the impact noise that pattern block 1 edge produces, both decreased the area of pattern block 1 simultaneously, have also been enlarged the opening of groove 2, so also the frictional noise of pattern block 1 can be reduced, and reduce the air hydrodynamic noise in groove 2.By adjusting the radius of circular arc, or carrying out alternative arc surface by one or more plane, and can keep finding balance between decorative pattern propulsive effort at minimizing noise.
Claims (4)
1. a Low-noise tread pattern block, comprise a tread surface, the a plurality of pattern blocks being distributed with a plurality of vertical and horizontal groove in described tread surface and being surrounded by described groove, the surface of the pattern block described in any one is all directly connected with between the side wall surface of adjacent groove, it is characterized in that: wherein move towards to be greater than or equal to 20 degree with the angle of tire circumference line of centers and to be less than or equal to the pattern block surface of 90 degree and the junction of adjacent groove side wall surface to be all set to chamfering structure, in the section of chamfering structure, the edge of chamfering is straight line or is linked in sequence the tortuous line segment formed by plural linear portion, the starting point of described straight line or tortuous line segment and terminal lay respectively in the surface of pattern block and the side wall surface of groove.
2. Low-noise tread pattern block as claimed in claim 1, it is characterized in that: the groove that the starting point of the straight line in described chamfering structure or tortuous line segment and the horizontal throw along tire circumference of terminal are less than its correspondence in tread surface along 1/4th of the width of tire circumference and the pattern block being less than its correspondence in tread surface along 1/4th of the width of tire circumference, the vertical distance along tire radial direction of starting point and terminal is less than 1/5th of the groove extreme depth of its correspondence.
3. Low-noise tread pattern block as claimed in claim 1, it is characterized in that: in the section of described chamfering structure, the edge of chamfering is to be linked in sequence the tortuous line segment formed by plural linear portion, and the linear portion described in any one is all isometric with adjacent linear portion.
4. Low-noise tread pattern block as claimed in claim 1, is characterized in that: the pattern block surface that trend is less than 20 degree with the circumferential centerline parallel of tire or angle is also set to chamfering structure with the junction of adjacent groove side wall surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310057948.6A CN103112320B (en) | 2013-02-25 | 2013-02-25 | Low-noise tread pattern block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310057948.6A CN103112320B (en) | 2013-02-25 | 2013-02-25 | Low-noise tread pattern block |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103112320A CN103112320A (en) | 2013-05-22 |
| CN103112320B true CN103112320B (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310057948.6A Active CN103112320B (en) | 2013-02-25 | 2013-02-25 | Low-noise tread pattern block |
Country Status (1)
| Country | Link |
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| CN (1) | CN103112320B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104975704B (en) * | 2015-06-23 | 2017-03-08 | 曾建安 | A kind of novel crawler-type embossing device |
| CN108116167B (en) * | 2016-11-28 | 2019-12-03 | 东洋橡胶工业株式会社 | Pneumatic tire |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1462244A (en) * | 2001-05-11 | 2003-12-17 | 株式会社普利司通 | Pneumatic tire |
| CN101588934A (en) * | 2006-12-20 | 2009-11-25 | 株式会社普利司通 | Pneumatic tire |
| EP2154008A1 (en) * | 2007-05-14 | 2010-02-17 | Bridgestone Corporation | Pneumatic tire |
| CN203142297U (en) * | 2013-02-25 | 2013-08-21 | 上海轮胎橡胶（集团）股份有限公司轮胎研究所 | Low-noise pattern block |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007023759A1 (en) * | 2005-08-23 | 2007-03-01 | Kabushiki Kaisha Bridgestone | Pneumatic tire |
-
2013
- 2013-02-25 CN CN201310057948.6A patent/CN103112320B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1462244A (en) * | 2001-05-11 | 2003-12-17 | 株式会社普利司通 | Pneumatic tire |
| CN101588934A (en) * | 2006-12-20 | 2009-11-25 | 株式会社普利司通 | Pneumatic tire |
| EP2154008A1 (en) * | 2007-05-14 | 2010-02-17 | Bridgestone Corporation | Pneumatic tire |
| CN203142297U (en) * | 2013-02-25 | 2013-08-21 | 上海轮胎橡胶（集团）股份有限公司轮胎研究所 | Low-noise pattern block |
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| Publication number | Publication date |
|---|---|
| CN103112320A (en) | 2013-05-22 |
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