CN106114075A - Radial tire bead - Google Patents
Radial tire bead Download PDFInfo
- Publication number
- CN106114075A CN106114075A CN201610768539.0A CN201610768539A CN106114075A CN 106114075 A CN106114075 A CN 106114075A CN 201610768539 A CN201610768539 A CN 201610768539A CN 106114075 A CN106114075 A CN 106114075A
- Authority
- CN
- China
- Prior art keywords
- tyre bead
- rim
- mouth
- carcass ply
- rubber core
- 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
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/04—Bead cores
- B60C15/05—Bead cores multiple, i.e. with two or more cores in each bead
-
- 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
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
- B60C15/0628—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer
-
- 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
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
- B60C15/0628—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer
- B60C15/0653—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead comprising a bead reinforcing layer with particular configuration of the cords in the respective bead reinforcing layer
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The invention discloses a radial tire bead. It is including wrapping up in inboard inner liner (1) of tire bead, matrix curtain cloth (2), and bead reinforcing wire curtain cloth (3), parcel are in bead gum (5) and sidewall rubber (6) in the tire bead outside, characterized by: still include three compound rubber cores, three compound rubber cores glue core (4), soft triangle rubber core (8) including filling rubber core (9), hard triangle rubber core (4) are located the inboard, soft triangle rubber core (8) are located the outside, it is located to fill rubber core (9) the one side that is close to the tire bead inboard of hard triangle rubber core (4), fill rubber core (9), hard triangle rubber core (4), soft triangle rubber core (8) by interior to exterior in proper order by matrix curtain cloth (2) and rim of a river strengthen wire curtain cloth (3) parcel. The invention can effectively improve the supporting performance of the tire bead position and effectively improve the bending rigidity of the tire bead position under the condition of high load.
Description
Technical field
The present invention relates to a kind of radial tyre bead, particularly relate to the tyre bead of a kind of all-steel radial tyre, belong to wheel
Tire manufacturing technology field.
Background technology
The bead structure of existing all-steel radial tyre, including inner side hard triangular rubber core, the soft triangular rubber core in outside, tire
Wirecord fabric, bead adhesive, sidewall rubber, nylon curtain face and inner liner are strengthened in body cord, rim of the mouth.Owing to the management of current road conditions is not advised
Model, and the behaviour in service such as vehicle often overloads seriously, air pressure is higher, therefore require higher to the tire of vehicle.And as often
By the structure of tire, the bead structure support performance of above-mentioned tire is not enough, deformation is relatively big, and bends in rim flange, wheel
Near rim lug area, the anti-package carcass ply of position, rim of the mouth are strengthened wirecord fabric compression, are easily formed stress concentration, thus
Cause tire that the quality problems such as circle empty, circle splits, explosion occur.
Summary of the invention
For the above-mentioned problems in the prior art, the invention provides a kind of warping strength deformation and there is preferably support
The radial tyre bead of performance.
The present invention is achieved by the following technical solution: a kind of radial tyre bead, including being wrapped in tyre bead
The inner liner of side, carcass ply, rim of the mouth reinforcement wirecord fabric, it is wrapped in the bead adhesive outside tyre bead and sidewall rubber, it is characterized in that:
Also include that three compound adhesive cores, described three compound adhesive cores include filling glue core, hard triangular rubber core, soft triangular rubber core, described hard triangle
Glue core is positioned at inner side, and described soft triangular rubber core is positioned at outside, and described filling glue core is positioned at the close tyre bead of described hard triangular rubber core
The side of inner side, described filling glue core, hard triangular rubber core, soft triangular rubber core are strengthened by carcass ply and rim of the mouth the most successively
Wirecord fabric wraps up.
The present invention is by using three compound adhesive cores of particular design, and (rigidity increases can to promote tyre rim position support performance
Adding, support performance increases), and improve tyre bead position under high loading condition deflect rigidity.
Further, in order to promote tyre rim position support performance further, and tyre bead position under high loading condition is improved
That puts deflects rigidity, posts the carcass ply inside by tyre bead and rim of the mouth between the carcass ply inside described inner liner and tyre bead
Strengthen the double-deck aromatic polyamide cord of termination, wirecord fabric upper end infantees.Preferably, the angle of described double-deck aromatic polyamide cord is 25-35 degree,
Width is 80-120 millimeter, ectonexine stagger poor level 10-15 millimeter intersect laminating.
Further scheme is, steel wire is strengthened in rim of the mouth inside tyre bead, the lower extreme point position of described double-deck aromatic polyamide cord
The termination, upper end of cord is 25-50 millimeter.The program can be prevented effectively from rim of the mouth, inner side reinforcement steel cord upper extreme point stress concentration and make
The earlier period damage become.
Carcass ply and rim of the mouth outside sidewall rubber, tyre bead are strengthened posting the rim of the mouth outside by tyre bead between wirecord fabric
The double-layer nylon cord that reinforcement wirecord fabric and termination, carcass ply upper end encase.The program can effectively avoid end points stress collection
In the earlier period damage that causes.
Preferably, the angle of described double-layer nylon cord is 30-55 degree, and width is 80-120 millimeter, and ectonexine staggers poor level
The most compliant conjunction of 10-15 millimeter.
For promoting further tyre rim position support performance, and improve deflecting just of tyre bead position under high loading condition
Property, outside tyre bead, the carcass ply described in wirecord fabric parcel is strengthened in described rim of the mouth.
Further, the upper end end points of the wirecord fabric upper end end points away from carcass ply is strengthened in described rim of the mouth is 20-40 milli
Rice, described rim of the mouth is strengthened the upper end end points of wirecord fabric and is surrounded by rim of the mouth reinforcement steel wire bound edge nylon, the upper end of described carcass ply
End points is surrounded by carcass ply bound edge film.
Further, the termination height H1 of carcass ply is: 70mm-90mm, and the end points of wirecord fabric is strengthened in described rim of the mouth
Highly H3 is: 30mm-50mm, and the termination height H2 of described carcass ply bound edge film is: 55mm-75mm, described hard triangle rubber
The base width H4 of core is 18mm-25mm.By improving above-mentioned height H1-H3 and the size of width H4, whole tire can be improved
Circle rigidity.
Described sidewall rubber, the termination height scope of bead adhesive are 60mm-80mm, and rim flange area tire bead position is thick
Degree is 36mm-42mm.By adjusting the termination height of bead adhesive and sidewall rubber, and increase rim flange area tire bead position
Thickness, can reduce flexural deformation.
The invention has the beneficial effects as follows: the present invention, by using three compound adhesive cored structures of particular design, can effectively promote
Tyre rim position support performance, and be effectively improved tyre bead position under high loading condition deflect rigidity；By adopting in inner side
The structure with the intersection laminating of two-layer aromatic polyamide cord, strengthening wirecord fabric parcel carcass ply in employing rim of the mouth, outside and adjustment rim of the mouth
Ebonite position, improves tyre rim position support performance further, and improves deflecting of tyre bead position under high loading condition
Rigidity；Nylon bound edge, carcass ply is used to use film bound edge, carcass ply and son it addition, strengthen steel wire cord by rim of the mouth
Mouth strengthens wirecord fabric anti-package optimization etc., improves the stress dispersibility of each anti-package end points, reduces stress and concentrates tire
The destruction of tyre bead.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention in detailed description of the invention；
Fig. 2 is the partial enlarged drawing of Fig. 1；
Wherein, 1, inner liner, 2, carcass ply, 3, rim of the mouth strengthen wirecord fabric, 4, hard triangular rubber core, 5, bead adhesive, 6,
Sidewall rubber, 7, double-layer nylon cord, 8, soft triangular rubber core, 9, fill glue core, 10, double-deck aromatic polyamide cord, 11, rim of the mouth strengthen steel wire
Bound edge nylon, 12, carcass ply bound edge film.
Detailed description of the invention
Below by the embodiment of indefiniteness and combine accompanying drawing the present invention is further illustrated:
As shown in drawings, a kind of radial tyre bead, strengthen wirecord fabric including inner liner 1, carcass ply 2, rim of the mouth
3, three compound adhesive cores, bead adhesive 5 and sidewall rubber 6.Described three compound adhesive cores include filling glue core 9, hard triangular rubber core 4, soft triangle
Glue core 8, wherein, hard triangular rubber core 4 is positioned at inner side, and soft triangular rubber core 8 is positioned at outside, fills glue core 9 and is positioned at hard triangular rubber core 4
Side inside tyre bead, described filling glue core 9, hard triangular rubber core 4, soft triangular rubber core 8 are the most successively by carcass
Cloth 2 and rim of the mouth are strengthened wirecord fabric 3 and are wrapped up.Inner liner 1 is wrapped in and is enclosed with carcass ply 2 and rim of the mouth and strengthens wirecord fabric 3
Inside tyre bead, bead adhesive 5 and sidewall rubber 6 are wrapped in outside the tyre bead being enclosed with carcass ply 2 and rim of the mouth reinforcement wirecord fabric 3.
In the present invention, wirecord fabric 3 termination height H3, carcass ply bound edge are strengthened in carcass ply 2 termination height H1, rim of the mouth
Film 12 termination height H2, hard triangular rubber core 4 base width H4, by improving above-mentioned height H1-H3 and the size of width H4, can
To improve whole tyre bead rigidity.Preferably, the termination height H1 of carcass ply 2 is: 70mm-90mm, and steel wire curtain is strengthened in described rim of the mouth
The termination height H3 of cloth 3 is: 30mm-50mm, and the termination height H2 of described carcass ply bound edge film 12 is: 55mm-75mm, institute
The base width H4 stating hard triangular rubber core 4 is 18mm-25mm.By the tire after above-mentioned adjustment, at the relevant durable one-tenth of lathe
Achievement test can embody its rigidity and have significantly increase, the durable achievement of lathe by within 43 hours, rise to the 83 of the later stage
Hour.
In the present embodiment, inner liner 1 and inner side carcass ply 2 and rim of the mouth are strengthened sticking on double-deck aramid fiber between wirecord fabric 3
Cord 10, the angle of double-deck aromatic polyamide cord 10 is that (this angle is the angle of angle between the direction of cord and vertical direction to 25-35 degree
Size), width is 80-120 millimeter, and the ectonexine poor level 10-15 millimeter that staggers intersects laminating, and double-deck aromatic polyamide cord 10 is by tyre bead
The carcass ply 2 of side and rim of the mouth are strengthened termination, wirecord fabric 3 upper end and are encased, and the lower extreme point position of double-deck aromatic polyamide cord 10 is away from tyre bead
It is 25-50 millimeter that the termination, upper end of steel wire cord 3 is strengthened in the rim of the mouth of inner side.
In the present embodiment, sidewall rubber 6 and outside carcass ply 2 and rim of the mouth are strengthened sticking on double-layer nylon between wirecord fabric 3
Cord 7, the angle of double-layer nylon cord 7 is that (this angle is that between the direction of cord and vertical direction, the angle of angle is big to 30-55 degree
Little), width is 80-120 millimeter, and ectonexine staggers the poor the most compliant conjunction of level 10-15 millimeter, and double-layer nylon cord 7 is by outside tyre bead
Wirecord fabric 3 is strengthened in the rim of the mouth of side and termination, carcass ply 2 upper end encases, and the upper extreme point position of double-layer nylon cord 7 is away from tyre bead
It is 25-50 millimeter that termination, wirecord fabric 3 upper end is strengthened in the rim of the mouth in outside.
In the present embodiment, using rim of the mouth to strengthen wirecord fabric 3 and wrap up the structure of carcass ply 2 outside tyre bead, rim of the mouth is strengthened
Wirecord fabric 3 upper end end points is away from carcass ply 2 upper end end points 20-40 millimeter, and rim of the mouth is strengthened wirecord fabric 3 upper end end points and used single
Layer nylon cord fabrics bound edge, i.e. rim of the mouth strengthen steel wire bound edge nylon 11, and monolayer nylon cord fabrics angle is 35-50 degree, and width is 25-40
Millimeter, carcass ply 2 upper end end points uses monolayer film bound edge, i.e. carcass ply bound edge film, and monolayer film stock thickness is 0.5-
1.0 millimeters, width is 20-50 millimeter.
It addition, the termination height scope that the present invention adjusts bead adhesive 5 and sidewall rubber 6 is 60mm-80mm, rim flange area
Tire bead position thickness is 36mm-42mm, is effectively reduced flexural deformation.
Other parts in the present embodiment use known technology, do not repeat them here.
Claims (10)
1. a radial tyre bead, including the inner liner (1) being wrapped in inside tyre bead, carcass ply (2), steel is strengthened in rim of the mouth
Silk cord (3), is wrapped in the bead adhesive (5) outside tyre bead and sidewall rubber (6), it is characterized in that: also include three compound adhesive cores, described
Three compound adhesive cores include filling glue core (9), hard triangular rubber core (4), soft triangular rubber core (8), and described hard triangular rubber core (4) is positioned at
Side, described soft triangular rubber core (8) is positioned at outside, and described filling glue core (9) is positioned at the close tyre bead of described hard triangular rubber core (4)
The side of side, described filling glue core (9), hard triangular rubber core (4), soft triangular rubber core (8) are the most successively by carcass ply (2)
And rim of the mouth reinforcement wirecord fabric (3) parcel.
Radial tyre bead the most according to claim 1, is characterized in that: the tire inside described inner liner (1) and tyre bead
Post the carcass ply (2) inside by tyre bead between body cord (2) and the double of wirecord fabric (3) termination, upper end infantees are strengthened in rim of the mouth
Layer aromatic polyamide cord (10).
Radial tyre bead the most according to claim 2, is characterized in that: the angle of described double-deck aromatic polyamide cord (10) is
25-35 degree, width is 80-120 millimeter, ectonexine stagger poor level 10-15 millimeter intersect laminating.
Radial tyre bead the most according to claim 3, is characterized in that: the lower extreme point of described double-deck aromatic polyamide cord (10)
It is 25-50 millimeter that the termination, upper end of steel wire cord (3) is strengthened in rim of the mouth inside tyre bead, the position.
Radial tyre bead the most according to claim 1, is characterized in that: the carcass outside sidewall rubber (6), tyre bead
Cloth (2) and rim of the mouth are strengthened posting the rim of the mouth outside by tyre bead between wirecord fabric (3) and are strengthened wirecord fabric (3) and carcass ply
(2) the double-layer nylon cord (7) that termination, upper end encases.
Radial tyre bead the most according to claim 1, is characterized in that: the angle of described double-layer nylon cord (7) is
30-55 degree, width is 80-120 millimeter, and ectonexine staggers the poor the most compliant conjunction of level 10-15 millimeter.
Radial tyre bead the most according to claim 1, is characterized in that: outside tyre bead, and steel wire is strengthened in described rim of the mouth
Carcass ply (2) described in cord (3) parcel.
Radial tyre bead the most according to claim 7, is characterized in that: the upper of wirecord fabric (3) is strengthened in described rim of the mouth
The end end points upper end end points away from carcass ply (2) is 20-40 millimeter, and the upper end end points bag of wirecord fabric (3) is strengthened in described rim of the mouth
Having rim of the mouth to strengthen steel wire bound edge nylon (11), the upper end end points of described carcass ply (2) is surrounded by carcass ply bound edge film (12).
Radial tyre bead the most according to claim 1, is characterized in that: the termination height H1 of described carcass ply (2)
For 70mm-90mm, described rim of the mouth is strengthened the termination height H3 of wirecord fabric (3) and is: 30mm-50mm, described carcass ply bound edge
The termination height H2 of film (12) is: 55mm-75mm, and the base width H4 of described hard triangular rubber core (4) is 18mm-25mm.
Radial tyre bead the most according to claim 1, is characterized in that: described sidewall rubber, the termination height of bead adhesive
Scope is 60mm-80mm, and rim flange area tire bead position thickness is 36mm-42mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610768539.0A CN106114075A (en) | 2016-08-30 | 2016-08-30 | Radial tire bead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610768539.0A CN106114075A (en) | 2016-08-30 | 2016-08-30 | Radial tire bead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106114075A true CN106114075A (en) | 2016-11-16 |
Family
ID=57272995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610768539.0A Pending CN106114075A (en) | 2016-08-30 | 2016-08-30 | Radial tire bead |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106114075A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108215671A (en) * | 2018-01-17 | 2018-06-29 | 山东玲珑轮胎股份有限公司 | All-steel meridian brand-new heavy-load tire bead structure tire |
| CN109878274A (en) * | 2019-04-04 | 2019-06-14 | 山东华盛橡胶有限公司 | A kind of all-steel radial tyre |
| CN110171253A (en) * | 2019-05-29 | 2019-08-27 | 安徽佳通乘用子午线轮胎有限公司 | A kind of reinforced bead structure of nylon bag cloth bound edge and preparation method thereof |
| CN110239283A (en) * | 2019-06-26 | 2019-09-17 | 青岛双星轮胎工业有限公司 | Steel wire carcass HP tire and its manufacturing process |
| CN110525129A (en) * | 2019-09-18 | 2019-12-03 | 湖北奥莱斯轮胎股份有限公司 | A kind of all-steel load-bearing radial tire carcass |
| CN113825653A (en) * | 2019-05-14 | 2021-12-21 | 株式会社普利司通 | Tyre for vehicle wheels |
| WO2022068831A1 (en) * | 2020-09-29 | 2022-04-07 | 山东玲珑轮胎股份有限公司 | Urban rail transit tire bead structure |
| CN114851781A (en) * | 2022-04-20 | 2022-08-05 | 通力轮胎有限公司 | Heavy-load radial tire and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060249238A1 (en) * | 2005-05-09 | 2006-11-09 | Sumitomo Rubber Industries, Ltd. | Heavy duty tire |
| JP2008307949A (en) * | 2007-06-12 | 2008-12-25 | Yokohama Rubber Co Ltd:The | Pneumatic tire |
| CN203611659U (en) * | 2013-10-16 | 2014-05-28 | 双钱集团股份有限公司 | All-steel radial tire bead structure |
| CN104669952A (en) * | 2015-03-09 | 2015-06-03 | 山东玲珑轮胎股份有限公司 | All-steel radial heavy-duty tire |
| CN204749755U (en) * | 2015-07-24 | 2015-11-11 | 山东玲珑轮胎股份有限公司 | Tire bead filler core |
| CN206106824U (en) * | 2016-08-30 | 2017-04-19 | 山东玲珑轮胎股份有限公司 | Radial tire bead |
-
2016
- 2016-08-30 CN CN201610768539.0A patent/CN106114075A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060249238A1 (en) * | 2005-05-09 | 2006-11-09 | Sumitomo Rubber Industries, Ltd. | Heavy duty tire |
| JP2008307949A (en) * | 2007-06-12 | 2008-12-25 | Yokohama Rubber Co Ltd:The | Pneumatic tire |
| CN203611659U (en) * | 2013-10-16 | 2014-05-28 | 双钱集团股份有限公司 | All-steel radial tire bead structure |
| CN104669952A (en) * | 2015-03-09 | 2015-06-03 | 山东玲珑轮胎股份有限公司 | All-steel radial heavy-duty tire |
| CN204749755U (en) * | 2015-07-24 | 2015-11-11 | 山东玲珑轮胎股份有限公司 | Tire bead filler core |
| CN206106824U (en) * | 2016-08-30 | 2017-04-19 | 山东玲珑轮胎股份有限公司 | Radial tire bead |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108215671A (en) * | 2018-01-17 | 2018-06-29 | 山东玲珑轮胎股份有限公司 | All-steel meridian brand-new heavy-load tire bead structure tire |
| CN109878274A (en) * | 2019-04-04 | 2019-06-14 | 山东华盛橡胶有限公司 | A kind of all-steel radial tyre |
| CN113825653A (en) * | 2019-05-14 | 2021-12-21 | 株式会社普利司通 | Tyre for vehicle wheels |
| CN110171253A (en) * | 2019-05-29 | 2019-08-27 | 安徽佳通乘用子午线轮胎有限公司 | A kind of reinforced bead structure of nylon bag cloth bound edge and preparation method thereof |
| CN110239283A (en) * | 2019-06-26 | 2019-09-17 | 青岛双星轮胎工业有限公司 | Steel wire carcass HP tire and its manufacturing process |
| CN110525129A (en) * | 2019-09-18 | 2019-12-03 | 湖北奥莱斯轮胎股份有限公司 | A kind of all-steel load-bearing radial tire carcass |
| WO2022068831A1 (en) * | 2020-09-29 | 2022-04-07 | 山东玲珑轮胎股份有限公司 | Urban rail transit tire bead structure |
| CN114851781A (en) * | 2022-04-20 | 2022-08-05 | 通力轮胎有限公司 | Heavy-load radial tire and manufacturing method thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161116 |
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| RJ01 | Rejection of invention patent application after publication |