CN111873718A - Stepped radiating groove of tire shoulder - Google Patents
Stepped radiating groove of tire shoulder Download PDFInfo
- Publication number
- CN111873718A CN111873718A CN202010751510.8A CN202010751510A CN111873718A CN 111873718 A CN111873718 A CN 111873718A CN 202010751510 A CN202010751510 A CN 202010751510A CN 111873718 A CN111873718 A CN 111873718A
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- China
- Prior art keywords
- groove
- heat dissipation
- dissipation groove
- stepped
- shoulder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B60C11/01—Shape of the shoulders between tread and sidewall, e.g. rounded, stepped or cantilevered
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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
- B60C11/1204—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special shape of the sipe
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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
- B60C11/01—Shape of the shoulders between tread and sidewall, e.g. rounded, stepped or cantilevered
- B60C2011/013—Shape of the shoulders between tread and sidewall, e.g. rounded, stepped or cantilevered provided with a recessed portion
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The invention belongs to the technical field of tires, and particularly relates to a shoulder stepped heat dissipation groove. The shoulder stepped heat dissipation grooves are uniformly arranged along the circumferential direction of the shoulder wing part and comprise a first heat dissipation groove and a second heat dissipation groove, the second heat dissipation groove is arranged at the central part of the first heat dissipation groove, the width of the first heat dissipation groove is larger than that of the second heat dissipation groove, and the depth of the first heat dissipation groove is smaller than that of the second heat dissipation groove. The stepped heat dissipation groove can not only meet the requirements of heat dissipation, but also has the properties of stone removal, puncture resistance and tear resistance, the groove width is larger due to the stepped design, the heat dissipation is convenient, the tire shoulder part has certain buffering when meeting larger shearing force, the tire shoulder part is not easy to tear even if the notch is deeper, and meanwhile, the stepped groove design is convenient for stone removal, the tire shoulder skeleton structure is not easy to puncture, and the stepped heat dissipation groove has the advantages of safety and attractiveness.
Description
Technical Field
The invention belongs to the technical field of tires, and particularly relates to a shoulder stepped heat dissipation groove.
Background
With the development and progress of the country, the all-steel truck radial tire is more and more widely applied, and the tire patterns have great influence on the noise characteristic, the operation stability, the rolling resistance, the abrasion characteristic and the wet skid resistance of the tire. In particular, all-steel truck radial tires for medium and long distance and high speed running need to have these properties at the same time, and therefore, higher requirements are placed on the design of the tire pattern structure.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a shoulder stepped heat dissipation groove. The stepped heat dissipation groove can not only meet the requirements of heat dissipation, but also has the properties of stone removal, puncture resistance and tear resistance, the groove width is larger due to the stepped design, the heat dissipation is convenient, the tire shoulder part has certain buffering when meeting larger shearing force, the tire shoulder part is not easy to tear even if the notch is deeper, and meanwhile, the stepped groove design is convenient for stone removal, the tire shoulder skeleton structure is not easy to puncture, and the stepped heat dissipation groove has the advantages of safety and attractiveness.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a cascaded radiating groove of tire shoulder, cascaded radiating groove evenly sets up along shoulder alar part circumferencial direction, cascaded radiating groove includes first radiating groove and second radiating groove, the second radiating groove sets up in the central part of first radiating groove, the width of first radiating groove is greater than the second radiating groove, the degree of depth of first radiating groove is less than the second radiating groove.
The first radiating groove and the second radiating groove are both trapezoidal and symmetrical along the central axis.
The upper end face of the second heat dissipation groove is lower than the upper end face of the first heat dissipation groove, the lower end face of the second heat dissipation groove is lower than the lower end face of the first heat dissipation groove, and the lower end faces of the first heat dissipation groove and the second heat dissipation groove form a stepped structure.
The width of the upper end face of each of the first heat dissipation groove and the second heat dissipation groove is smaller than that of the lower end face of each of the first heat dissipation groove and the second heat dissipation groove, and arc transition structures are arranged between the upper end face and the lower end face of each of the first heat dissipation groove and the second heat dissipation groove and between the groove walls of the first heat.
The left groove wall and the right groove wall of the first heat dissipation groove form an included angle of 20-35 degrees, and the left groove wall and the right groove wall of the second heat dissipation groove form an included angle of 20-35 degrees.
Compared with the prior art, the invention has the following advantages:
the stepped heat dissipation grooves are uniformly arranged along the circumferential direction of the shoulder wing part, the second heat dissipation groove is arranged at the central part of the first heat dissipation groove, the width of the first heat dissipation groove is larger than that of the second heat dissipation groove, the depth of the first heat dissipation groove is smaller than that of the second heat dissipation groove, the upper end face of the second heat dissipation groove is lower than that of the first heat dissipation groove, the lower end face of the second heat dissipation groove is lower than that of the first heat dissipation groove, and the lower end faces of the first heat dissipation groove and the second heat dissipation groove form a stepped structure.
Compared with the design of a common single deep pattern groove, the design of the invention adopts a step-type design, so that the groove width is larger, the heat dissipation is convenient, the tire shoulder part has certain buffering when meeting larger shearing force, the tire shoulder part is not easy to tear even if the notch is deeper, and meanwhile, the step-type groove is convenient for removing stones, is not easy to prick a tire shoulder framework structure, and has higher safety and aesthetic degree.
Drawings
FIG. 1 is a schematic view of the shoulder stepped heat sink of the present invention.
Fig. 2 is a sectional view of the stepped heat sink of fig. 1.
FIG. 3 is a schematic view of the construction of shoulder stepped heat sinks of the present invention in a tread.
Fig. 4 is a cross-sectional view of the stepped heat sink of fig. 3 in a tread.
Description of reference numerals: 1-step type heat dissipation groove; 2-shoulder wing part; 3-a crown; 11-a first heat sink; 12-a second heat sink; 11A-the left slot wall of the first radiating slot; 11B-the right groove wall of the first heat dissipation groove; 12A-the left slot wall of the second heat sink; 12B-right groove wall of the second heat dissipation groove.
Detailed Description
In the description of the present invention, it is to be understood that the directions or positional relationships indicated by the directional terms such as "upper, lower", "left, right", etc., are generally based on the directions or positional relationships shown in the drawings only for the convenience of describing the present invention and simplifying the description, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and thus, should not be construed as limiting the scope of the present invention.
The technical solution of the present invention is further explained with reference to the specific drawings and embodiments.
Example 1
As shown in FIG. 1, the stepped heat dissipation groove 1 is uniformly arranged along the circumferential direction of the shoulder wing part 2, the stepped heat dissipation groove 1 comprises a first heat dissipation groove 11 and a second heat dissipation groove 12, the second heat dissipation groove 12 is arranged at the central part of the first heat dissipation groove 11, the width of the first heat dissipation groove 11 is larger than that of the second heat dissipation groove 12, and the depth of the first heat dissipation groove 11 is smaller than that of the second heat dissipation groove 12.
The first heat dissipation groove 11 and the second heat dissipation groove 12 are both trapezoidal and symmetrical along a central axis.
The upper end face of the second heat dissipation groove 12 is lower than the upper end face of the first heat dissipation groove 11, the lower end face of the second heat dissipation groove 12 is lower than the lower end face of the first heat dissipation groove 11, and the lower end faces of the first heat dissipation groove 11 and the second heat dissipation groove 12 form a stepped structure.
The widths of the upper end surfaces of the first radiating grooves 11 and the second radiating grooves 12 are smaller than the widths of the lower end surfaces of the first radiating grooves and the second radiating grooves, arc transition structures are arranged between the upper end surfaces and the lower end surfaces and the groove walls, and the radiuses of the arcs are equal.
As shown in FIG. 2, the left groove wall 11A and the right groove wall 11B of the first heat dissipation groove 11 form an included angle of 30 degrees, the left groove wall 12A and the right groove wall 12B of the second heat dissipation groove 12 form an included angle of 30 degrees, and the stepped design of the heat dissipation grooves enables the groove opening to be wider and to have steeper groove walls, so that the tearing resistance is ensured while the heat dissipation is carried out.
Example 2
As shown in FIG. 1, the stepped heat dissipation groove 1 is uniformly arranged along the circumferential direction of the shoulder wing part 2, the stepped heat dissipation groove 1 comprises a first heat dissipation groove 11 and a second heat dissipation groove 12, the second heat dissipation groove 12 is arranged at the central part of the first heat dissipation groove 11, the width of the first heat dissipation groove 11 is larger than that of the second heat dissipation groove 12, and the depth of the first heat dissipation groove 11 is smaller than that of the second heat dissipation groove 12.
The first heat dissipation groove 11 and the second heat dissipation groove 12 are both trapezoidal and symmetrical along a central axis.
The upper end face of the second heat dissipation groove 12 is lower than the upper end face of the first heat dissipation groove 11, the lower end face of the second heat dissipation groove 12 is lower than the lower end face of the first heat dissipation groove 11, and the lower end faces of the first heat dissipation groove 11 and the second heat dissipation groove 12 form a stepped structure.
The widths of the upper end surfaces of the first radiating grooves 11 and the second radiating grooves 12 are smaller than the widths of the lower end surfaces of the first radiating grooves and the second radiating grooves, arc transition structures are arranged between the upper end surfaces and the lower end surfaces and the groove walls, and the radiuses of the arcs are equal.
The left groove wall 11A and the right groove wall 11B of the first heat dissipation groove 11 form a 20-degree included angle, the left groove wall 12A and the right groove wall 12B of the second heat dissipation groove 12 form a 20-degree included angle, the notch is wider while the heat dissipation groove is designed in a stepped mode, and tear resistance is guaranteed while heat dissipation is achieved.
Example 3
As shown in FIG. 1, the stepped heat dissipation groove 1 is uniformly arranged along the circumferential direction of the shoulder wing part 2, the stepped heat dissipation groove 1 comprises a first heat dissipation groove 11 and a second heat dissipation groove 12, the second heat dissipation groove 12 is arranged at the central part of the first heat dissipation groove 11, the width of the first heat dissipation groove 11 is larger than that of the second heat dissipation groove 12, and the depth of the first heat dissipation groove 11 is smaller than that of the second heat dissipation groove 12.
The first heat dissipation groove 11 and the second heat dissipation groove 12 are both trapezoidal and symmetrical along a central axis.
The upper end face of the second heat dissipation groove 12 is lower than the upper end face of the first heat dissipation groove 11, the lower end face of the second heat dissipation groove 12 is lower than the lower end face of the first heat dissipation groove 11, and the lower end faces of the first heat dissipation groove 11 and the second heat dissipation groove 12 form a stepped structure.
The widths of the upper end surfaces of the first radiating grooves 11 and the second radiating grooves 12 are smaller than the widths of the lower end surfaces of the first radiating grooves and the second radiating grooves, arc transition structures are arranged between the upper end surfaces and the lower end surfaces and the groove walls, and the radiuses of the arcs are equal.
The left groove wall 11A and the right groove wall 11B of the first heat dissipation groove 11 form an included angle of 35 degrees, the left groove wall 12A and the right groove wall 12B of the second heat dissipation groove 12 form an included angle of 35 degrees, the groove wall with a steeper angle is arranged when the groove opening is wide due to the stepped design of the heat dissipation groove, and the tearing resistance is guaranteed when heat is dissipated.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (5)
1. The utility model provides a cascaded radiating groove of tire shoulder, its characterized in that, cascaded radiating groove (1) evenly sets up along tire shoulder alar part (2) circumferencial direction, cascaded radiating groove (1) includes first radiating groove (11) and second radiating groove (12), second radiating groove (12) set up in the central point of first radiating groove (11), the width of first radiating groove (11) is greater than second radiating groove (12), the degree of depth of first radiating groove (11) is less than second radiating groove (12).
2. Stepped shoulder radiator according to claim 1, characterised in that the first (11) and second (12) radiators are both trapezoidal, symmetrical along the central axis.
3. Stepped shoulder radiator according to claim 1, characterised in that the upper end face of the second radiator groove (12) is lower than the upper end face of the first radiator groove (11), the lower end face of the second radiator groove (12) is lower than the lower end face of the first radiator groove (11), and the lower end faces of the first radiator groove (11) and the second radiator groove (12) form a stepped structure.
4. The stepped shoulder heat sink according to claim 3, wherein the widths of the upper end surfaces of the first heat sink (11) and the second heat sink (12) are smaller than the widths of the lower end surfaces thereof, and the upper end surface, the lower end surface and the wall of the groove are in a circular arc transition structure.
5. Stepped shoulder heatsink according to claim 4, characterized in that the left (11A) and right (11B) groove walls of the first heatsink groove (11) form an angle of 20-35 °, and the left (12A) and right (12B) groove walls of the second heatsink groove (12) form an angle of 20-35 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010751510.8A CN111873718A (en) | 2020-07-30 | 2020-07-30 | Stepped radiating groove of tire shoulder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010751510.8A CN111873718A (en) | 2020-07-30 | 2020-07-30 | Stepped radiating groove of tire shoulder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111873718A true CN111873718A (en) | 2020-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010751510.8A Pending CN111873718A (en) | 2020-07-30 | 2020-07-30 | Stepped radiating groove of tire shoulder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111873718A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115891512A (en) * | 2022-11-29 | 2023-04-04 | 江苏通用科技股份有限公司 | All-steel radial mine tire pattern heat dissipation structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003211915A (en) * | 2002-01-25 | 2003-07-30 | Bridgestone Corp | Pneumatic tire |
| CN202896195U (en) * | 2012-10-10 | 2013-04-24 | 厦门正新橡胶工业有限公司 | Pneumatic tyre for all-terrain vehicle |
| WO2015136996A1 (en) * | 2014-03-12 | 2015-09-17 | 株式会社ブリヂストン | Tire |
| CN206436746U (en) * | 2016-11-29 | 2017-08-25 | 风神轮胎股份有限公司 | A kind of high abrasion middle-long distance takes turns a decorative pattern entirely |
| CN208148969U (en) * | 2018-04-24 | 2018-11-27 | 湖北奥莱斯轮胎有限公司 | It is a kind of conducive to the Tread structure of radial tyre run at high speed |
-
2020
- 2020-07-30 CN CN202010751510.8A patent/CN111873718A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003211915A (en) * | 2002-01-25 | 2003-07-30 | Bridgestone Corp | Pneumatic tire |
| CN202896195U (en) * | 2012-10-10 | 2013-04-24 | 厦门正新橡胶工业有限公司 | Pneumatic tyre for all-terrain vehicle |
| WO2015136996A1 (en) * | 2014-03-12 | 2015-09-17 | 株式会社ブリヂストン | Tire |
| CN206436746U (en) * | 2016-11-29 | 2017-08-25 | 风神轮胎股份有限公司 | A kind of high abrasion middle-long distance takes turns a decorative pattern entirely |
| CN208148969U (en) * | 2018-04-24 | 2018-11-27 | 湖北奥莱斯轮胎有限公司 | It is a kind of conducive to the Tread structure of radial tyre run at high speed |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115891512A (en) * | 2022-11-29 | 2023-04-04 | 江苏通用科技股份有限公司 | All-steel radial mine tire pattern heat dissipation structure |
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