CN201756042U - Improved pneumatic tire tread main groove structure - Google Patents
Improved pneumatic tire tread main groove structure Download PDFInfo
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- CN201756042U CN201756042U CN2010202839742U CN201020283974U CN201756042U CN 201756042 U CN201756042 U CN 201756042U CN 2010202839742 U CN2010202839742 U CN 2010202839742U CN 201020283974 U CN201020283974 U CN 201020283974U CN 201756042 U CN201756042 U CN 201756042U
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Abstract
The utility model discloses an improved pneumatic tire tread main groove structure. At least one main groove extends on a tire circumferentially, ribs are arranged at the bottom of each main groove close to the center of the tread at intervals and disposed at corners of the bottoms of the main grooves, and a cylindrical boss which is higher than the ribs is arranged in a clearance between each two ribs. When stones are clamped in the main grooves, the stones can not contact with the bottoms of the main grooves due to the cylindrical bosses and the ribs which are deformed and cling to the bottoms of the grooves after being squeezed, so that the bottoms of the main grooves are protected. Simultaneously, as the cylindrical bosses can produce reacting force onto the stones when in deformation, the stones can be discharged from the main grooves more easily. Further, the cylindrical bosses and the ribs can strengthen strength of the bottoms of the main grooves and disperse stress on the bottoms of the main grooves, thereby effectively preventing the bottoms of the main grooves from cracking. The ribs can also effectively increase traction property of tires after being abraded.
Description
Technical field
The utility model relates to a kind of air-inflation tyre, is meant that especially a kind of air tread main line improves structure.
Background technology
Air-inflation tyre disposes one or more of wide circumference main lines at its tread portion usually, and described circumference main line extends at the circumferencial direction of tire.But such peripheral groove causes stress concentration at bottom of trench easily in the tire running process, and perhaps peripheral groove is difficult for discharging and the puncture bottom of trench after sandwiching stone, finally causes the generation of bottom of trench be full of cracks problem.Therefore often there is deficiency in tire aspect in-use performance.If reduce measures such as decorative pattern ditch depth in order to prevent the bottom of trench be full of cracks, can reduce the wear hardness of tire again, and use the tractive property in later stage also insufficient tire.
The utility model content
The purpose of this utility model is to provide a kind of air tread main line to improve structure, does not have the protection bottom of trench under it does not influence the situation of wear hardness and other performances, prevent puncture, improves row's stone performance, the be full of cracks of prevention bottom of trench, and increases the tractive property in tire wear later stage.
For achieving the above object, solution of the present utility model is:
A kind of air tread main line improves structure, and tire is extended with one or more than one main lines at least along the circumferential direction; Wherein: the main line bottom of trench at nearly tyre surface center at interval be provided with raised line, this raised line is the corner that is arranged at the main line bottom of trench, and is provided with the cylindrical convex that highly is higher than raised line in the gap between raised line and the raised line.
Described cylindrical convex height should be greater than 15% main line ditch depth less than 75% main line ditch depth, cylindrical convex bottom is outside being obliquely installed, the height of this dip plane greater than 1mm less than 3mm, and leaning angle should greater than 20 ° less than 75 °, the diameter of cylindrical convex should be greater than 2mm less than 3.5mm.
Described cylindrical convex height is preferably greater than 20% main line ditch depth and less than 65% main line ditch depth, and the leaning angle of dip plane is preferably greater than 25 ° and less than 50 °.
Be equipped with raised line in described each main line.
Described each raised line is the setting of discountinuity, promptly offers the lateral separation groove on the raised line.
The height of described raised line should be more than or equal to 10% main line ditch depth smaller or equal to 60% main line ditch depth; The raised line bottom is outside being obliquely installed, and the height of this dip plane should be greater than 1mm less than 3mm; Leaning angle should be greater than 20 ° less than 75 °; The length of raised line should be more than or equal to 1.5 times cylindrical convex height and smaller or equal to 5 times cylindrical convex height; The width of raised line should be more than or equal to 10% main line surface furrow width smaller or equal to 50% main line surface furrow width.
The height of described raised line is preferably greater than and equals 15% main line ditch depth and smaller or equal to 50% main line ditch depth, and leaning angle is preferably greater than 25 ° and less than 50 °; The length of raised line is preferably greater than cylindrical convex 3 height that equals 2 times and smaller or equal to 4 times cylindrical convex 3 height.
The corner of described each main line is provided with radial groove.
The tyre surface of the shape of described each main line forms pattern block, and this pattern block is provided with fine groove.
Described tire protector along the whole circumference direction at interval be provided with the horizontal shallow trench of bevelled.
After adopting such scheme; air-inflation tyre of the present utility model is because dispose the raised line of discountinuity at the bottom of trench of the one or more circumference main line that along the circumferential direction extends; the compartment of terrain disposes higher cylindrical convex between raised line and the raised line; so, can adequately protect bottom of trench, prevent puncture, improve row's stone performance, the be full of cracks of prevention bottom of trench, and increase the tractive property in tire wear later stage.
Description of drawings
Fig. 1 is the expansion drawing of the airtyred tread portion of a kind of embodiment of the utility model;
Fig. 2 is the enlarged drawing of the part of Fig. 1;
Fig. 3 is the cross sectional drawing along the A-A line among Fig. 2;
Fig. 4 is the cross sectional drawing along the B-B line among Fig. 2;
Fig. 5 is the cross sectional drawing along the C-C line among Fig. 2;
Fig. 6 is the cross sectional drawing along the D-D line among Fig. 2;
Fig. 7 is the cross sectional drawing along the E-E line among Fig. 2;
Fig. 8 is the cross sectional drawing along the F-F line among Fig. 2.
The specific embodiment
Explain that below in conjunction with accompanying drawing embodiment of the present utility model is described specifically:
To shown in Figure 8, the utility model has disclosed a kind of air tread main line and has improved structure as Fig. 1, and tire is extended with one or more than one main lines 1 at least along the circumferential direction; Its key is: near the bottom land of two circumference main lines 1 at tyre surface center at interval be provided with raised line 2, this raised line 2 is the corners that are arranged at main line 1, and is provided with the cylindrical convex 3 that highly is higher than raised line 2 in the gap between raised line 2 and the raised line 2.Described each raised line 2 is the setting of discountinuity, promptly offers lateral separation groove 21 on the raised line 2, improves heat sinking function more flexibly simultaneously with the distortion that makes raised line 2.When stone sandwiches main line 1; the cylindrical convex 3 and the raised line 2 of extrusion, tendency bottom of trench can make stone can't contact bottom of trench, and play the effect of protection bottom of trench; under distortion, can give antagonistic force of stone because of cylindrical convex 3 simultaneously, make the easier discharge main line 1 of stone.In addition, cylindrical convex 3 and raised line 2 all can increase bottom of trench intensity, disperse the ditch bottom stress, and actv. suppresses the bottom of trench be full of cracks, and raised line 2 can effectively provide the tractive property in wear on tyres later stage simultaneously.
As Fig. 3; cylindrical convex 3 height should be greater than 15% main line, 1 ditch depth less than 75% main line, 1 ditch depth; be preferably greater than 20% main line, 1 ditch depth and less than 65% main line, 1 ditch depth; because it is highly too little; cylindrical convex 3 can't play the effect of protection bottom of trench, the highly too high drainage performance that then influences when extrusion.And cylindrical convex 3 bottoms are outside being obliquely installed, the height of this dip plane 31 greater than 1mm less than 3mm, and inclined angle alpha should greater than 20 ° less than 75 °, be preferably greater than 25 ° and less than 50 °; The diameter of cylindrical convex 3 should be greater than 2mm less than 3.5mm, the too small effect that does not have the protection bottom of trench, excessive its drainage performance that then influences.
As Fig. 4; the height of raised line 2 should be more than or equal to 10% main line, 1 ditch depth smaller or equal to 60% main line, 1 ditch depth; be preferably greater than and equal 15% main line, 1 ditch depth and smaller or equal to 50% main line, 1 ditch depth; because it is highly too little; can't guarantee the tractive property in wear on tyres later stage; can't play simultaneously the effect of protection bottom of trench, highly too high drainage performance and the poor radiation of then influencing.And raised line 2 bottoms are outside being obliquely installed, and the height of this dip plane 21 should be greater than 1mm less than 3mm, and leaning angle b should greater than 20 ° less than 75 °, be preferably greater than 25 ° and less than 50 °; The straight length L of raised line 2 should be more than or equal to 1.5 times cylindrical convex 3 height and smaller or equal to 5 times cylindrical convex 3 height, is preferably greater than cylindrical convex 3 height that equal 2 times and smaller or equal to 4 times cylindrical convex 3 height; The width of raised line 2 should be more than or equal to 10% main line, 1 surperficial furrow width smaller or equal to 50% main line, 1 surperficial furrow width, the too small effect of protection bottom of trench, excessive its drainage performance that then influences of not having.
Cooperate shown in Fig. 1,2,, shared the distribution of stress of circumference main line 1 and improved thermal diffusivity for the thermal diffusivity that further improves tire can be provided with fine groove 11 on the pattern block that adjacent main line 1 forms.Shown in Fig. 6,7, also be provided with radial groove 12 in the corner of circumference main line 1, alleviated stress concentration herein, improved the tear-resistant performance of corner.In addition, along the horizontal shallow trench 13 of whole circumference direction arranged spaced bevelled (seeing shown in Fig. 5,8), in order to improve its horizontal drainage performance.
In sum, the setting of the utility model air tread main line structure like this, prevents puncture at the bottom of trench of the main line 1 that can adequately protect, and improves row's stone performance, the be full of cracks of prevention bottom of trench, and increases the tractive property in tire wear later stage.
Claims (10)
1. an air tread main line improves structure, and tire is extended with one or more than one main lines at least along the circumferential direction; It is characterized in that: the main line bottom of trench at nearly tyre surface center at interval be provided with raised line, this raised line is the corner that is arranged at the main line bottom of trench, and is provided with the cylindrical convex that highly is higher than raised line in the gap between raised line and the raised line.
2. air tread main line as claimed in claim 1 improves structure, it is characterized in that: cylindrical convex height should be greater than 15% main line ditch depth less than 75% main line ditch depth, cylindrical convex bottom is outside being obliquely installed, the height of this dip plane greater than 1mm less than 3mm, and leaning angle should greater than 20 ° less than 75 °, the diameter of cylindrical convex should be greater than 2mm less than 3.5mm.
3. air tread main line as claimed in claim 2 improves structure, it is characterized in that: cylindrical convex height is preferably greater than 20% main line ditch depth and less than 65% main line ditch depth, and the leaning angle of dip plane is preferably greater than 25 ° and less than 50 °.
4. air tread main line as claimed in claim 1 improves structure, it is characterized in that: be equipped with raised line in each main line.
5. improve structure as claim 1 or 4 described air tread main lines, it is characterized in that: each raised line is the setting of discountinuity, promptly offers the lateral separation groove on the raised line.
6. air tread main line as claimed in claim 5 improves structure, and it is characterized in that: the height of raised line should be more than or equal to 10% main line ditch depth smaller or equal to 60% main line ditch depth; The raised line bottom is outside being obliquely installed, and the height of this dip plane should be greater than 1mm less than 3mm; Leaning angle should be greater than 20 ° less than 75 °; The length of raised line should be more than or equal to 1.5 times cylindrical convex height and smaller or equal to 5 times cylindrical convex height; The width of raised line should be more than or equal to 10% main line surface furrow width smaller or equal to 50% main line surface furrow width.
7. air tread main line as claimed in claim 6 improves structure, it is characterized in that: the height of raised line is preferably greater than and equals 15% main line ditch depth and smaller or equal to 50% main line ditch depth, and leaning angle is preferably greater than 25 ° and less than 50 °; The length of raised line is preferably greater than cylindrical convex 3 height that equals 2 times and smaller or equal to 4 times cylindrical convex 3 height.
8. air tread main line as claimed in claim 1 improves structure, and it is characterized in that: the corner of each main line is provided with radial groove.
9. air tread main line as claimed in claim 1 improves structure, it is characterized in that: the tyre surface of the shape of each main line forms pattern block, and this pattern block is provided with fine groove.
10. air tread main line as claimed in claim 1 improves structure, it is characterized in that: tire protector along the whole circumference direction at interval be provided with the horizontal shallow trench of bevelled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202839742U CN201756042U (en) | 2010-08-03 | 2010-08-03 | Improved pneumatic tire tread main groove structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202839742U CN201756042U (en) | 2010-08-03 | 2010-08-03 | Improved pneumatic tire tread main groove structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201756042U true CN201756042U (en) | 2011-03-09 |
Family
ID=43643308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202839742U Expired - Lifetime CN201756042U (en) | 2010-08-03 | 2010-08-03 | Improved pneumatic tire tread main groove structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201756042U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108602399A (en) * | 2016-01-28 | 2018-09-28 | 株式会社普利司通 | Tire |
| CN114872497A (en) * | 2022-06-01 | 2022-08-09 | 天津万达轮胎有限公司 | Semisteel UTV tire |
| CN116141879A (en) * | 2021-11-19 | 2023-05-23 | 通伊欧轮胎株式会社 | Pneumatic tire |
-
2010
- 2010-08-03 CN CN2010202839742U patent/CN201756042U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108602399A (en) * | 2016-01-28 | 2018-09-28 | 株式会社普利司通 | Tire |
| US10759232B2 (en) | 2016-01-28 | 2020-09-01 | Bridgestone Corporation | Tire |
| CN116141879A (en) * | 2021-11-19 | 2023-05-23 | 通伊欧轮胎株式会社 | Pneumatic tire |
| CN114872497A (en) * | 2022-06-01 | 2022-08-09 | 天津万达轮胎有限公司 | Semisteel UTV tire |
| CN114872497B (en) * | 2022-06-01 | 2023-08-04 | 天津万达轮胎有限公司 | Semisteel UTV tire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110309 |
|
| CX01 | Expiry of patent term |