CN103612544A - Pneumatic tyre - Google Patents
Pneumatic tyre Download PDFInfo
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- CN103612544A CN103612544A CN201310654469.2A CN201310654469A CN103612544A CN 103612544 A CN103612544 A CN 103612544A CN 201310654469 A CN201310654469 A CN 201310654469A CN 103612544 A CN103612544 A CN 103612544A
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- knife groove
- rimmer knife
- projection
- deepest part
- pneumatic tyre
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Abstract
The invention provides a pneumatic tyre. The pneumatic tyre comprises a long knife groove which is formed in a grounded surface, wherein a bulge which protrudes out of a bottom face is arranged on the bottom face of the deepest part of the long knife groove. According to the pneumatic tyre, a stress structure is additionally arranged at the bottom of the long knife groove so that the rigidity of a pattern block between the different long knife grooves can be increased and the expanding degree of an opening of the long knife groove, caused by abrading the pneumatic tyre, is also reduced, and furthermore, a condition that the two sides of the opening of the long knife groove have offset and abrasion is reduced and even avoided, and the artistic feeling of the pneumatic tyre is guaranteed. Moreover, the bulge is arranged in the long knife groove so that the grip performance of the pneumatic tyre can be increased and the dry land manipulation and ice snow covered pavement running performances of the pneumatic tyre are improved.
Description
Technical field
The present invention relates to tyre technology, more particularly, relate to a kind of air-inflation tyre.
Background technology
Air-inflation tyre is one of crucial accessory of automobile normal running, and it comprises polytype, for example, be applied to all season tyre of common road, is applied to the ice face tire on ice ground etc.
All season tyre is that automobile uses the most general a kind of tire, and its surface texture as shown in Figure 1.All season tyre all can be used at all seasons, and in order to take into account the road surface situation of many ice and snow in winter, make it have than the more excellent performance in winter of special tyre in summer, on the ground plane 01 of all season tyre, be provided with the cutter groove that some and the degree of depth are large, width is thinner.In these cutter grooves, the whole development length on the ground plane of all season tyre is not less than the cutter groove that the rimmer knife groove 02(of 26mm is not less than 26mm by entire length and is called rimmer knife groove) there is more outstanding earth-catching property.
As shown in Figure 2, it is the part-structure schematic diagram of existing rimmer knife groove, this figure comprises the deepest part 03 of rimmer knife groove and is positioned at the marginal portion 04 of 03 both sides, deepest part, the bottom surface of the deepest part 03 of this kind of rimmer knife groove is a plane, that is to say that the deepest part 03 of existing rimmer knife groove is for waiting deep trouth.But, contriver finds to have all season tyre of this kind of structure rimmer knife groove, in the process of running car, between different rimmer knife grooves, the pattern block of deformation in compression is difficult for replying, when all season tyre travels after certain mileage, the increase along with abrasion mileage, can cause: 1. the opening of rimmer knife groove magnifies gradually, cause the pattern block rigidity between different rimmer knife grooves destroyed gradually, affect the handling of all season tyre; 2. due to the distortion of rimmer knife channel opening, can cause the opening both sides of rimmer knife groove to occur offset abrasion, affect Using Life of Tyre, meanwhile, occur that to a certain degree the decorative pattern noise of offset abrasion is also worsened; 3. rimmer knife channel opening magnifies the outward appearance that distortion can affect all season tyre.
Therefore, how improving the pattern block rigidity of all season tyre, is current those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, the invention provides a kind of air-inflation tyre, it can improve the pattern block rigidity of all season tyre.
In order to achieve the above object, the invention provides following technical scheme:
An air-inflation tyre, comprises the rimmer knife groove being arranged on its ground plane, wherein, is provided with the projection that protrudes described bottom surface on the bottom surface of the deepest part of described rimmer knife groove.
Preferably, in above-mentioned air-inflation tyre, in the described rimmer knife groove being formed by marginal portion and deepest part:
The development length of described marginal portion and described deepest part is less than in the described rimmer knife groove of 17mm, and described projection is not set;
The development length of described marginal portion and described deepest part is not less than 18mm and is less than in the described rimmer knife groove of 31mm, is provided with a described projection;
The development length of described marginal portion and described deepest part is not less than 31mm and is not more than in the described rimmer knife groove of 42mm, is provided with two described projections;
The development length of described marginal portion and described deepest part is greater than in the described rimmer knife groove of 43mm, is provided with three described projections.
Preferably, in above-mentioned air-inflation tyre, described in each, the development length of marginal portion is 2.5mm～4.5mm, and the degree of depth is 1.5mm～2.5mm.
Preferably, in above-mentioned air-inflation tyre, described projection is that vertical section is trapezoidal projection, and the described projection curved surface round and smooth with described underrun is connected.
Preferably, in above-mentioned air-inflation tyre, the ratio of the height of described projection and the degree of depth of described deepest part is 2:5, and the width of the end face of described projection on described rimmer knife groove bearing of trend is 4mm～8mm.
Preferably, in above-mentioned air-inflation tyre, described projection is arranged on the length Along ent of described deepest part.
In air-inflation tyre provided by the invention, on the bottom surface of the position, deep of rimmer knife groove, projection is set, by setting up the mode of force structure, make rimmer knife groove can bear larger application force, the degree that reduction causes rimmer knife channel opening to magnify because of air-inflation tyre abrasion, increase the rigidity of pattern block between different rimmer knife grooves, reduced the extrusion deformation degree of pattern block.Air-inflation tyre provided by the invention, because having increased force structure in the bottom of rimmer knife groove, not only increased the rigidity of pattern block between different rimmer knife grooves, also reduced the degree that causes rimmer knife channel opening to magnify because of air-inflation tyre abrasion, thereby reduce, even avoid the opening both sides of rimmer knife groove to occur the situation that offset wears away, guaranteed airtyred aesthetic property.In addition, in rimmer knife groove, projection is set, can also increases airtyred earth-catching property, promoted airtyred controlling and ice and snow road rideability dryly.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the airtyred ground plane that Fig. 1 provides for prior art;
Fig. 2 is the structural representation of rimmer knife groove;
The structural representation of the rimmer knife groove of the airtyred fetus face that Fig. 3 provides for the embodiment of the present invention;
Fig. 4 is the structural representation of the rimmer knife groove of airtyred tire shoulder portion.
In upper Fig. 1-Fig. 2:
Ground plane 01, rimmer knife groove 02,03, marginal portion, deepest part 04;
In upper Fig. 3-Fig. 4:
Deepest part 1, projection 2, marginal portion 3;
In rimmer knife groove, the length sum of deepest part, marginal portion and projection is L; The width of the end face of projection is L1; The length of two marginal portions is respectively L2 and L3; The length of deepest part is L '; The degree of depth of deepest part is D; The height of projection is D1; The degree of depth of marginal portion is D2.
The specific embodiment
The invention provides a kind of air-inflation tyre, it can improve the pattern block rigidity of all season tyre.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 3 and Figure 4, the air-inflation tyre that the embodiment of the present invention provides (air-inflation tyre in the present embodiment specifically refers to all season tyre), comprise the rimmer knife groove (in the present embodiment, said rimmer knife groove is the cutter groove that is more than or equal to 26mm at development length) being arranged on its ground plane, wherein, on the bottom surface of the deepest part 1 of rimmer knife groove, be provided with the projection 2 that protrudes bottom surface.
Rimmer knife groove shown in Fig. 3 is identical with the rimmer knife groove structure shown in Fig. 4, just the contact site on itself and ground is not quite similar, the rimmer knife groove of airtyred fetus face contacts with ground completely, and the rimmer knife groove of tire shoulder portion is with ground, only some contacts, and ground connection scope as shown in Figure 4.Tyre surface in Fig. 3 and Fig. 4 is airtyred outermost surfaces.
In the air-inflation tyre that the present embodiment provides, on the bottom surface of the position, deep of rimmer knife groove, projection 2 is set, by setting up the mode of force structure, make rimmer knife groove can bear larger application force, the degree that reduction causes rimmer knife channel opening to magnify because of air-inflation tyre abrasion, increase the rigidity of pattern block between different rimmer knife grooves, reduced the extrusion deformation degree of pattern block.
The air-inflation tyre that the present embodiment provides, because having increased force structure in the bottom of rimmer knife groove, not only increased the rigidity of pattern block between different rimmer knife grooves, also reduced the degree that causes rimmer knife channel opening to magnify because of air-inflation tyre abrasion, thereby reduce, even avoid the opening both sides of rimmer knife groove to occur the situation that offset wears away, guaranteed airtyred aesthetic property.In addition, projection 2 is set in rimmer knife groove, can also increases airtyred earth-catching property, promoted airtyred controlling and ice and snow road rideability dryly.
In order further to optimize technique scheme, in the air-inflation tyre that the present embodiment provides, in the rimmer knife groove being formed by marginal portion 3 and deepest part 1: the development length of marginal portion 3 and deepest part 1 is less than in the rimmer knife groove of 17mm, described projection 2 is not set; The development length of marginal portion 3 and deepest part 1 is not less than 18mm and is less than in the rimmer knife groove of 31mm, is provided with a projection 2; The development length of marginal portion 3 and deepest part 1 is not less than 31mm and is not more than in the rimmer knife groove of 42mm, is provided with two projections 2; The development length of marginal portion 3 and deepest part 1 is greater than in the rimmer knife groove of 43mm, is provided with three projections 2.
That is to say when L '=L-L2-L3, the length L of projection 2 quantity N and deepest part 1 ' relation as follows:
When L ' < 17mm, N=0;
When 18≤L ' < 31mm, N=1;
When 31≤L '≤42mm, N=2;
When L ' > 43mm, N=3.
Wherein, L ' is the length of the deepest part 1 of rimmer knife groove; L is the development length sum on air-inflation tyre with projection 2 of deepest part 1, marginal portion 3; L2 and L3 are respectively the length of two marginal portions 3.
Preferably, development length L2 and the L3 of each marginal portion 3 are 2.5mm～4.5mm, and depth D 2 is 1.5mm～2.5mm.The numerical value of this L2, L3 and D2 is preferred value, and it can make rimmer knife groove have maximum abrasion resisting effect.Certainly, the length of marginal portion 3 and the degree of depth can, for other applicable number ranges, not limit at this yet.
Concrete, projection 2 is trapezoidal projection for vertical section, and projection 2 curved surface round and smooth with underrun is connected.With shape, boss is set by the way, not only its difficulty of processing is less, is easy to the realization of technical scheme in actual production, can also strengthen its stress equalization, for preventing that pattern block distortion from providing stronger guarantee.
Preferably, the ratio of the height D1 of projection 2 and the depth D of deepest part 1 is 2:5, and the width L1 of the end face of projection 2 on rimmer knife groove bearing of trend is 4mm～8mm.
Further, projection 2 is arranged on the length Along ent of deepest part 1.Be that projection 2 carries out N+1 decile in the longitudinal direction by deepest part 1, for example, when the projection 2 on being arranged on deepest part 1 is one, this projection 2 is halved deepest part 1; When the projection 2 on being arranged on deepest part 1 is two, this projection 2 is by deepest part 1 trisection.This kind of set-up mode can maximum balanced rimmer knife groove stressed, make airtyred longer service life.
In this specification sheets, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. an air-inflation tyre, comprises the rimmer knife groove being arranged on its ground plane, it is characterized in that, is provided with the projection (2) that protrudes described bottom surface on the bottom surface of the deepest part of described rimmer knife groove (1).
2. air-inflation tyre according to claim 1, is characterized in that, in the described rimmer knife groove being formed by marginal portion (3) and described deepest part (1):
The development length of described marginal portion (3) and described deepest part (1) is less than in the described rimmer knife groove of 17mm, and described projection (2) is not set;
The development length of described marginal portion (3) and described deepest part (1) is not less than 18mm and is less than in the described rimmer knife groove of 31mm, is provided with a described projection (2);
The development length of described marginal portion (3) and described deepest part (1) is not less than 31mm and is not more than in the described rimmer knife groove of 42mm, is provided with two described projections (2);
The development length of described marginal portion (3) and described deepest part (1) is greater than in the described rimmer knife groove of 43mm, is provided with three described projections (2).
3. air-inflation tyre according to claim 2, is characterized in that, the development length of marginal portion described in each (3) is 2.5mm～4.5mm, and the degree of depth is 1.5mm～2.5mm.
4. air-inflation tyre according to claim 1, is characterized in that, described projection (2) is trapezoidal projection for vertical section, and described projection (2) curved surface round and smooth with described underrun is connected.
5. air-inflation tyre according to claim 1, is characterized in that, the ratio of the degree of depth of the height of described projection (2) and described deepest part (1) is 2:5, and the width of the end face of described projection (2) on described rimmer knife groove bearing of trend is 4mm～8mm.
6. according to the air-inflation tyre described in any one in claim 1-5, it is characterized in that, described projection (2) is arranged on the length Along ent of described deepest part (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310654469.2A CN103612544A (en) | 2013-12-06 | 2013-12-06 | Pneumatic tyre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310654469.2A CN103612544A (en) | 2013-12-06 | 2013-12-06 | Pneumatic tyre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103612544A true CN103612544A (en) | 2014-03-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310654469.2A Pending CN103612544A (en) | 2013-12-06 | 2013-12-06 | Pneumatic tyre |
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| CN (1) | CN103612544A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63137003A (en) * | 1986-11-29 | 1988-06-09 | Yokohama Rubber Co Ltd:The | Tire for snowy or icy road |
| JPH0392403A (en) * | 1989-09-04 | 1991-04-17 | Bridgestone Corp | Pneumatic tire having block pattern with sipe |
| EP0844107A2 (en) * | 1996-11-21 | 1998-05-27 | Sumitomo Rubber Industries Ltd. | Pneumatic tyre |
| JP2002283813A (en) * | 2001-03-26 | 2002-10-03 | Toyo Tire & Rubber Co Ltd | Pneumatic radial tire |
| WO2007088738A1 (en) * | 2006-01-31 | 2007-08-09 | Bridgestone Corporation | Pneumatic tire |
| CN101022965A (en) * | 2004-08-06 | 2007-08-22 | 株式会社普利司通 | Pneumatic tire and method of producing the same |
| CN203832161U (en) * | 2013-12-06 | 2014-09-17 | 正新橡胶（中国）有限公司 | Pneumatic tire |
-
2013
- 2013-12-06 CN CN201310654469.2A patent/CN103612544A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63137003A (en) * | 1986-11-29 | 1988-06-09 | Yokohama Rubber Co Ltd:The | Tire for snowy or icy road |
| JPH0392403A (en) * | 1989-09-04 | 1991-04-17 | Bridgestone Corp | Pneumatic tire having block pattern with sipe |
| EP0844107A2 (en) * | 1996-11-21 | 1998-05-27 | Sumitomo Rubber Industries Ltd. | Pneumatic tyre |
| JP2002283813A (en) * | 2001-03-26 | 2002-10-03 | Toyo Tire & Rubber Co Ltd | Pneumatic radial tire |
| CN101022965A (en) * | 2004-08-06 | 2007-08-22 | 株式会社普利司通 | Pneumatic tire and method of producing the same |
| WO2007088738A1 (en) * | 2006-01-31 | 2007-08-09 | Bridgestone Corporation | Pneumatic tire |
| CN203832161U (en) * | 2013-12-06 | 2014-09-17 | 正新橡胶（中国）有限公司 | Pneumatic tire |
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Application publication date: 20140305 |