CN107499065A - Automobile and its radial - Google Patents
Automobile and its radial Download PDFInfo
- Publication number
- CN107499065A CN107499065A CN201710725034.0A CN201710725034A CN107499065A CN 107499065 A CN107499065 A CN 107499065A CN 201710725034 A CN201710725034 A CN 201710725034A CN 107499065 A CN107499065 A CN 107499065A
- Authority
- CN
- China
- Prior art keywords
- radial
- line segment
- line
- axis
- steel belt
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- 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
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
-
- 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
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
- B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
- B60C2009/2012—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel with particular configuration of the belt cords in the respective belt layers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The invention discloses a kind of automobile and its radial, radial includes crown and tire shoulder, the crown includes the tyre surface and steel belt radially set gradually along the radial, face cutting along the axis of excessively described radial near the section that the steel belt of the radial axis obtains is the first line segment, the tangent line at the midpoint of first line segment is straight line A, the extension line of the midpoint of extension line or the first line segment at the two-end-point of first line segment and the line of any one end points is straight line B, angle between the straight line A and straight line B is α, and 0≤α≤5 °.The structure design of the radial can effectively improve radial wheel service life.
Description
Technical field
The present invention relates to technical field of automobile accessories, more specifically to a kind of automobile and its radial.
Background technology
As shown in figure 1, the structure of radial includes crown 01, tire shoulder 02, sidewall 03 and tire lip 04.As shown in Fig. 2
Crown 01 includes tyre surface 01a, cord belt 01b and the steel belt 01c radially set gradually along tire.Investigation is found
Vehicle is in loading, and in addition to crown 01 contacts with road surface, tire shoulder 02 also contacts with road surface, and loading is heavier, and the pressure of tire shoulder 02 is bigger,
Cause the radial discontinuity of tyre surface 01 in a state of use, wherein the pressure of tire shoulder 02 is excessive causes steel belt
The deformation of 01c both side ends produces thermal oxide, causes the early stage such as position delamination matter damage especially serious, not only influences heavy load radial
Tyres durable performance, it can also reduce the heavy load radial tire wear hardness and reduce Life of Tyre.
In summary, radial wheel service life how is effectively improved, is that current those skilled in the art are badly in need of
Solve the problems, such as.
The content of the invention
In view of this, first purpose of the invention is to provide a meridian line tyre, the structure of the radial
Design can effectively improve radial wheel service life, and second object of the present invention, which is to provide one kind, includes above-mentioned son
The automobile of radial tire.
In order to reach above-mentioned first purpose, the present invention provides following technical scheme：
One meridian line tyre, including crown and tire shoulder, the crown are included along radial radial direction successively
The tyre surface and steel belt of setting, along excessively described radial axis face cutting near the radial
The section that the steel belt of axis obtains is the first line segment, and the tangent line at the midpoint of first line segment is straight line A, described
The extension line of the midpoint of extension line or the first line segment at the two-end-point of first line segment and the line of any one end points is straight line B,
Angle between the straight line A and straight line B is α, and 0≤α≤5 °.
Preferably, in above-mentioned radial, the rubber thickness at the crown center is M, the rubber thickness of the tire shoulder
For N, then 85%≤N/M≤115%.
Preferably, in above-mentioned radial, cord band beam is additionally provided between the tyre surface and the steel belt
Layer, along radial described in the face cutting of the axis of excessively described radial, the obtained cord belt is cut
Face is second line segment, the rubber thickness M at the crown center be specially the second line segment midpoint away from the tyre surface on the outside of
Distance.
Preferably, in above-mentioned radial, the quantity of the steel belt is multilayer, and pierce tap beam described in multilayer
Layer radially be arranged in parallel successively along the radial.
Preferably, in above-mentioned radial, along excessively described radial axis face cutting near described
The section that the steel belt of tyre surface obtains is the 3rd line segment, and the end points of the 3rd line segment is e, the point on the 3rd line segment
Distances of the f away from its end points e is L, and excessively described point f and the line segment perpendicular to tire shoulder outer surface are line segment P, one of the line segment P
End points is the point f, and another end points is located on the tire shoulder outer surface, and the length of the line segment P is n, the cord belt
Thickness be m, the rubber thickness of the tire shoulder is N=n-m.
Preferably, in above-mentioned radial, the L is 10-15mm.
Preferably, in above-mentioned radial, the quantity of the steel belt is two layers.
Preferably, in above-mentioned radial, the two-end-point of first line segment away from the radial axis away from
From the midpoint more than or less than first line segment away from the radial axis with a distance from.
A kind of automobile, including as described above any one of radial.
In radial provided by the invention, when tire tread contacts with road surface, the axis of road surface and radial
Close to parallel, the end of the first line segment and the axis of radial are close to both sides that are parallel, and then realizing steel wire string course
With ground close to parallel, the pressure that steel wire string course is subject to is greatly reduced, prevents the deformation of steel belt both side ends from producing
Thermal oxide, it is especially serious to avoid the early stage such as position delamination matter damage, reduces the heavy load radial tire wear hardness and significantly
Improve radial service life.
In order to reach above-mentioned second purpose, present invention also offers a kind of automobile, the automobile includes any of the above-described seed
Radial tire.Because above-mentioned radial has above-mentioned technique effect, the automobile with the radial also should be with
Corresponding technique effect.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of radial of the prior art；
Fig. 2 is the sectional view obtained in the prior art along the plane cutting for crossing radial axis；
Fig. 3 is that the plane cutting radial provided in an embodiment of the present invention along radial axis excessively obtains
Sectional view；
Fig. 4 is that the plane cutting radial provided in an embodiment of the present invention along radial axis excessively obtains
Partial sectional view.
In Fig. 1-2：
01- crowns, 02- tire shoulders, 03- sidewalls, 04- tires lip, 01a- tyre surfaces, 01b- cords string course, 01c- steel tendon bands
Layer；
In Fig. 3-Fig. 4：
1- second line segments, the line segments of 2- the 3rd, the line segments of 3- first, 4- tyre surfaces, 5- road surfaces, 6- straight line B, 7- straight lines A.
Embodiment
The present invention first purpose be to provide a meridian line tyre, the structure design of the radial can have
Effect ground improves radial wheel service life, and second object of the present invention is to provide a kind of including above-mentioned radial
Automobile.
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 carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-Fig. 4 is referred to, radial provided in an embodiment of the present invention includes crown and tire shoulder, and wherein crown includes
The tyre surface 4 and steel belt radially set gradually along radial, tyre surface 4 are located at the outside of radial, steel wire
Belt is located at inner side, i.e. distance of the steel belt away from radial axis is less than tyre surface 4 away from radial axis
Distance.Along the face cutting for the axis for crossing radial near the section that the steel belt of radial axis obtains
For the first line segment 3, two parts can be bisected into by radial by crossing the face of the axis of radial.First line segment 3 with it is vertical
In radial axis and by radial be bisected into two-part face intersection point be the first line segment 3 midpoint, first
Distance of the midpoint of line segment 3 away from radial both sides is equal.The tangent line at the midpoint of the first line segment 3 is straight line A7, and straight line A7
Parallel to the axis of radial.The midpoint and any one end of extension line or the first line segment 3 at the two-end-point of first line segment 3
The extension line of line of point is straight line B6, when the both sides of the first line segment 3 be camber line then straight line B6 be the first line segment 3 any end points
With the extension line of the line at the midpoint of the first line segment 3, when the both sides of the first line segment 3 are that then straight line B6 is the first line segment 3 to straight line
Extension line at two-end-point.Wherein, the angle between straight line A7 and straight line B6 is α, and the end of 0 °≤α≤5 °, i.e. the first line segment 3
Hold with the axis of radial close to parallel.
In radial provided in an embodiment of the present invention, when tire tread 4 contacts with road surface 5, road surface 5 and rotating radial
For the axis of tire close to parallel, the end of the first line segment 3 and the axis of radial realize steel tendon band close to parallel
Both sides and the ground of layer greatly reduce the pressure that steel wire string course is subject to, prevent steel belt both side ends close to parallel
Deformation produce thermal oxide, avoid the early stage such as the position delamination matter damage it is especially serious, reduce the heavy load radial tire abrasivity
Radial service life and can be substantially increased.
Further, the rubber thickness at the crown center of radial is M, and the rubber thickness of tire shoulder is N, then 85%≤
N/M≤115%.Wherein, crown center refers to crown with perpendicular to radial axis and radial is bisected into two
The intersection in partial face, M are that crown is two-part with being bisected into perpendicular to radial axis and by radial
The rubber thickness of the intersection in face.
Specifically, cord belt is additionally provided between tyre surface 4 and steel belt, i.e. cord belt is away from rotating radial
The distance of tire axis is more than distance of the steel belt away from radial axis.Radially tyre surface 4, cord are followed successively by along tire
Belt and steel belt.Along the face cutting radial for the axis for crossing radial, obtained cord belt
Section be second line segment 1, the rubber thickness M at crown center is specially distance of the midpoint of second line segment 1 away from the outside of tyre surface 4.
Those skilled in the art can also set other metering systems of the rubber thickness at crown center, be not limited thereto.
Wherein, the quantity of steel belt can be multilayer, and multilayer steel belt along radial radially according to
It is secondary to be arranged in parallel.Preferably, the quantity of steel belt can be two layers, be not limited thereto.
In another embodiment, obtained along the face cutting for the axis for crossing radial near the steel belt of tyre surface 4
The section arrived is the 3rd line segment 2, and the end points of the 3rd line segment 2 is e, and distances of the point f away from its end points e on the 3rd line segment 2 is L, mistake
Point f and line segment perpendicular to tire shoulder outer surface is line segment P, a line segment P end points is point f, and another end points is located at tire shoulder appearance
On face, line segment P length is n, and the thickness of cord belt is m, and the rubber thickness of tire shoulder is N=n-m.That is cord belt
Intersection point close to the side of tyre surface 4 and line segment P is the distance between point g, point g and line segment P point on tire shoulder outer surface
For the rubber thickness N of tire shoulder.Certainly, those skilled in the art can also set other metering systems of the rubber thickness of tire shoulder,
It is not limited thereto.
In above-described embodiment, L 10-15mm, or L can also take other numerical value, be not limited thereto.
Distance of the two-end-point away from radial axis of first line segment 3 is more than or less than the midpoint of the first line segment 3 away from son
The distance of radial tire axis.If using straight line A7 as 0 ° of linea angulata, when the two-end-point of the first line segment 3 is away from radial axis
Distance be more than the first line segment 3 midpoint away from radial axis apart from when, then the angle between straight line A7 and straight line B6 is
α, and 0 ° of -5 °≤α ＜；When the first line segment 3 distance of the two-end-point away from radial axis be more than the first line segment 3 midpoint away from
Radial axis apart from when, then the angle between straight line A7 and straight line B6 is α, and 0 ° of ＜ α≤5 °.Certainly, First Line
Section 3 distance of the two-end-point away from radial axis can be equal to the first line segment 3 midpoint away from radial axis away from
From being not limited thereto.
Based on the radial provided in above-described embodiment, present invention also offers a kind of automobile, the automobile includes upper
State any one radial in embodiment.The radial in above-described embodiment is employed due to the automobile, so should
The beneficial effect of automobile refer to above-described embodiment.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (9)
1. a meridian line tyre, including crown and tire shoulder, the crown includes radially setting successively along the radial
The tyre surface (4) and steel belt put, it is characterised in that along excessively described radial axis face cutting near institute
It is the first line segment (3) to state the section that the steel belt of radial axis obtains, the midpoint of first line segment (3)
Tangent line be straight line A (7), extension line or the midpoint of the first line segment (3) at the two-end-point of first line segment (3) and any one
The extension line of the line of end points is straight line B (6), and the angle between the straight line A (7) and straight line B (6) is α, and 0≤α≤5 °.
2. radial according to claim 1, it is characterised in that the rubber thickness at the crown center is M, described
The rubber thickness of tire shoulder is N, then 85%≤N/M≤115%.
3. radial according to claim 2, it is characterised in that the tyre surface (4) and the steel belt it
Between be additionally provided with cord belt, along radial described in the face cutting of the axis of excessively described radial, obtain
The section of the cord belt is second line segment (1), and the rubber thickness M at the crown center is specially the second line segment
(1) midpoint is away from the distance on the outside of the tyre surface (4).
4. the radial according to claim 1 or 3, it is characterised in that the quantity of the steel belt is multilayer,
And steel belt described in multilayer radially be arranged in parallel successively along the radial.
5. radial according to claim 4, it is characterised in that along the face of the axis of excessively described radial
Cutting is the 3rd line segment (2) near the section that the steel belt of the tyre surface (4) obtains, the end of the 3rd line segment (2)
Point is e, and distances of the point f away from its end points e on the 3rd line segment (2) is L, excessively described point f and perpendicular to tire shoulder outer surface
Line segment is that line segment P, the line segment P end points are the point f, and another end points is located on the tire shoulder outer surface, the line
Section P length is n, and the thickness of the cord belt is m, and the rubber thickness of the tire shoulder is N=n-m.
6. radial according to claim 5, it is characterised in that the L is 10-15mm.
7. radial according to claim 4, it is characterised in that the quantity of the steel belt is two layers.
8. radial according to claim 1, it is characterised in that the two-end-point of first line segment (3) is away from described
The distance of radial axis be more than or less than first line segment (3) midpoint away from the radial axis away from
From.
9. a kind of automobile, it is characterised in that including the radial as described in claim any one of 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710725034.0A CN107499065A (en) | 2017-08-22 | 2017-08-22 | Automobile and its radial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710725034.0A CN107499065A (en) | 2017-08-22 | 2017-08-22 | Automobile and its radial |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107499065A true CN107499065A (en) | 2017-12-22 |
Family
ID=60692178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710725034.0A Pending CN107499065A (en) | 2017-08-22 | 2017-08-22 | Automobile and its radial |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107499065A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005231413A (en) * | 2004-02-17 | 2005-09-02 | Yokohama Rubber Co Ltd:The | Pneumatic tire |
| JP2006076361A (en) * | 2004-09-07 | 2006-03-23 | Bridgestone Corp | Pneumatic tire |
| CN1822963A (en) * | 2003-07-18 | 2006-08-23 | 米其林技术公司 | tires for heavy vehicles |
| CN104718088A (en) * | 2012-10-10 | 2015-06-17 | 横滨橡胶株式会社 | Pneumatic tire |
| CN104884272A (en) * | 2012-12-28 | 2015-09-02 | 横滨橡胶株式会社 | Pneumatic tire |
| CN105142930A (en) * | 2013-04-23 | 2015-12-09 | 横滨橡胶株式会社 | Pneumatic tire |
| CN105358337A (en) * | 2013-07-12 | 2016-02-24 | 米其林集团总公司 | Air tyre having a softened carcass reinforcement |
-
2017
- 2017-08-22 CN CN201710725034.0A patent/CN107499065A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1822963A (en) * | 2003-07-18 | 2006-08-23 | 米其林技术公司 | tires for heavy vehicles |
| JP2005231413A (en) * | 2004-02-17 | 2005-09-02 | Yokohama Rubber Co Ltd:The | Pneumatic tire |
| JP2006076361A (en) * | 2004-09-07 | 2006-03-23 | Bridgestone Corp | Pneumatic tire |
| CN104718088A (en) * | 2012-10-10 | 2015-06-17 | 横滨橡胶株式会社 | Pneumatic tire |
| CN104884272A (en) * | 2012-12-28 | 2015-09-02 | 横滨橡胶株式会社 | Pneumatic tire |
| CN105142930A (en) * | 2013-04-23 | 2015-12-09 | 横滨橡胶株式会社 | Pneumatic tire |
| CN105358337A (en) * | 2013-07-12 | 2016-02-24 | 米其林集团总公司 | Air tyre having a softened carcass reinforcement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171222 |
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| RJ01 | Rejection of invention patent application after publication |