CN105172483A - Tire bead filler core - Google Patents
Tire bead filler core Download PDFInfo
- Publication number
- CN105172483A CN105172483A CN201510444277.8A CN201510444277A CN105172483A CN 105172483 A CN105172483 A CN 105172483A CN 201510444277 A CN201510444277 A CN 201510444277A CN 105172483 A CN105172483 A CN 105172483A
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- core
- film
- bead filler
- triangular
- tyre
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Abstract
The invention discloses a tire bead filler core, and belongs to the technical field of tires. The rubber sheet is filled in the core, lower apex rubber core and the outside including last apex rubber core, the apex rubber core is still including locating go up apex rubber core and the inboard rubber sheet of filling of the apex rubber core inboard down shown. The tire bead filler provided by the invention can solve the problems of side empty and side burst during rapid running under the condition of high pressure and heavy load of the tire.
Description
Technical field
The present invention relates to a kind of tyre triangular glue core, belong to tyre technology.
Background technology
Tyre triangular glue core belongs to the bead part of tire, triangular rubber core is filled in lower sidewall, deflect on sidewall between district and hard bead coil and play a transition role, traditional triangular rubber core comprises upper bead filler core, lower triangular rubber core and the filling film be positioned at outside upper bead filler core, fill film and can be used for carcass and the protection of steel wire infantees end points, the viscosity of triangular rubber core and steel-wire carcass storeroom can be increased, buffering transition is carried out to upper bead filler core and hard carcass or steel wire infantees, and directly contact with carcass inside triangular rubber core, viscosity is not enough, especially descend between triangular rubber core and inner side body cord and there is no transition buffer, when tire runs fast under the condition of heavy duty, it is frequent that tire deflects district's dilatation, easily there is the blasting phenomena that comes to nothing in triangular rubber core and carcass.
Summary of the invention
For the above-mentioned defect existed in prior art, the invention provides a kind of tyre triangular glue core, side when can improve fast running under the condition of tire high-pressure heavy-load be empty, the quick-fried problem in side.
The present invention is achieved by the following technical solution: a kind of tyre triangular glue core, comprise upper bead filler core, lower triangular rubber core and outside and fill film, described triangular rubber core also comprises the inner side be located at inside described upper bead filler core and shown lower triangular rubber core and fills film.
Further, described inner side fill film lower end end points downwards apart from the distance of described triangular rubber core base be 5-30mm.
Further, described inner side fill film upper end end points upwards apart from the distance of described upper bead filler core upper end be 10-50mm.
Further, the material of film is filled in described inner side is natural rubber system.
Further, the thickness of film is filled in described inner side is 0.5-3mm.
Further, the hardness of described upper bead filler core, described inner side filling film, described lower triangular rubber core is respectively 50-70HA, 60-80HA, 70-90HA, in basic, normal, high distribution.
Tyre triangular glue core of the present invention has added inner side and has filled film on the basis of traditional triangle glue core, upper bead filler core is filled film with lower triangular rubber core by inner side and is contacted with carcass, by the analysis of peel strength, upper bead filler core and lower peel strength between triangular rubber core and carcass improve more than 2.4 times, and namely viscosity increases greatly; By to tyre bead stress analysis, can find out that the distribution of stress of tyre bead obtains optimization, especially descend distribution of stress situation between triangular rubber core and carcass be improved significantly, from the above mentioned, the increase of inner side filling film not only improves the viscosity inside triangular rubber core and tyre bead between carcass, and optimize the distribution of tyre bead integrated stress, therefore side when tyre triangular glue core of the present invention effectively can improve fast running under the condition of tire high-pressure heavy-load is empty, the quick-fried problem in side, promotes the service life of high heavy duty tire.
Accompanying drawing explanation
Fig. 1 is the structural representation of the tyre triangular glue core described in the specific embodiment of the invention;
Fig. 2 is the location diagram of tyre triangular glue core in tire described in the specific embodiment of the invention;
In figure, 1, upper bead filler core, 2, lower triangular rubber core, 3, outside fills film, 4, inner side fills film, 5, carcass, 6, steel wire infantees, 7, bead coil.
Detailed description of the invention
Below by indefiniteness embodiment and the present invention is further illustrated by reference to the accompanying drawings:
As shown in Figures 1 and 2, the embodiment of the present invention proposes a kind of tyre triangular glue core, comprise upper bead filler core 1, lower triangular rubber core 2 and outside and fill film 3, triangular rubber core also comprises the inner side be located at inside upper bead filler core 1 and shown lower triangular rubber core 2 and fills film 4.Outside is filled film 3 and is contacted with steel wire infantees 6 with carcass 5, and steel wire infantees 6 can make bead coil 7 and above-mentioned triangular rubber core form a whole, and prevents from being subjected to displacement with bead coil 7 in put procedure and triangular rubber core shaping, is convenient to forming operation.
The downward distance apart from triangular rubber core base of lower end end points that film 4 is filled in inner side is 5-30mm.Inner side fill film 4 upper end end points upwards apart from the distance of upper bead filler core 1 upper end be 10-50mm.The scope of above-mentioned data is the differences according to required peel strength under the difference of different size glue core height, thickness and different usage condition, and binding tests data and cost situation are comprehensively formulated.
For ensureing triangular rubber core and having larger viscosity between lower triangular rubber core 2 and carcass 5, the material that film 4 is filled in inner side is preferably natural rubber system, and natural rubber system bond properties is better.
Inner side fills peeling force needed for the thickness Main Basis different size of film 4 and applying working condition and binding tests situation is chosen, and the thickness range of film is 0.5-3mm.
Film 4 filled by upper bead filler core 1, inner side, the hardness of lower triangular rubber core 2 is respectively 50-70HA, 60-80HA, 70-90HA, in basic, normal, high distribution, the difference that above-mentioned durometer level Main Basis different size and different applying working condition require tyre bead integral rigidity is also chosen in conjunction with indoor experimental data.
Bead durability can be able to be tested by tyre bead durability test cycle, tyre bead durability test cycle is the travel situations in lab simulation harshness, test condition is air pressure 600Kpa, load 200% × mark carries, speed 30km/h, travel final hours as the important indicator weighing tyre bead performance, it is longer to travel final hours, and the bead durability of tire can be more superior.
Tyre triangular glue core described in the embodiment of the present invention has added inner side and has filled film 4 on the basis of traditional triangle glue core, upper bead filler core 1 is filled film 4 with lower triangular rubber core 2 by inner side and is contacted with carcass 5, by the analysis of peel strength, upper bead filler core 1 and the peel strength between lower triangular rubber core 2 and carcass 5 are 1745N, improve more than 2.4 times than the peel strength 720N of traditional triangle glue core, namely viscosity increases greatly, by to tyre bead stress analysis, can find out that the distribution of stress of tyre bead obtains optimization, especially descend distribution of stress situation between triangular rubber core 2 and carcass 5 be improved significantly, from the above mentioned, the increase of inner side filling film 4 not only improves the viscosity inside triangular rubber core and tyre bead between carcass 5, and optimize the distribution of tyre bead integrated stress, in tyre bead durability test cycle, triangular rubber core described in the embodiment of the present invention makes traveling cumulative hours be increased to 62h by original 40h, bead durability can improve greatly, experimental result shows as shoulder delamination but not the delamination of circle portion, therefore, side when tyre triangular glue core described in the embodiment of the present invention effectively can improve fast running under the condition of tire high-pressure heavy-load is empty, the quick-fried problem in side, promote the service life of high heavy duty tire.
Above-described embodiment for explanation of the present invention, is not only that those skilled in the art also can make a change on this basis to its restriction.
Claims (6)
1. a tyre triangular glue core, comprises upper bead filler core, lower triangular rubber core and outside and fills film, it is characterized in that, described triangular rubber core also comprises the inner side be located at inside described upper bead filler core and shown lower triangular rubber core and fills film.
2. tyre triangular glue core according to claim 1, is characterized in that, described inner side fill film lower end end points downwards apart from the distance of described triangular rubber core base be 5-30mm.
3. tyre triangular glue core according to claim 1 and 2, is characterized in that, described inner side fill film upper end end points upwards apart from the distance of described upper bead filler core upper end be 10-50mm.
4. tyre triangular glue core according to claim 1, is characterized in that, the material that film is filled in described inner side is natural rubber system.
5. tyre triangular glue core according to claim 1, is characterized in that, the thickness that film is filled in described inner side is 0.5-3mm.
6. tyre triangular glue core according to claim 1, is characterized in that, film filled by described upper bead filler core, described inner side, the hardness of described lower triangular rubber core is respectively 50-70HA, 60-80HA, 70-90HA, in basic, normal, high distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510444277.8A CN105172483B (en) | 2015-07-24 | 2015-07-24 | Tire bead filler core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510444277.8A CN105172483B (en) | 2015-07-24 | 2015-07-24 | Tire bead filler core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105172483A true CN105172483A (en) | 2015-12-23 |
| CN105172483B CN105172483B (en) | 2017-05-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510444277.8A Active CN105172483B (en) | 2015-07-24 | 2015-07-24 | Tire bead filler core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105172483B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110171254A (en) * | 2019-06-26 | 2019-08-27 | 青岛双星轮胎工业有限公司 | Steel wire carcass passenger tire sub-port structure |
| CN110194029A (en) * | 2019-06-26 | 2019-09-03 | 青岛双星轮胎工业有限公司 | Steel wire carcass HT tire and its manufacturing process |
| CN112848808A (en) * | 2021-01-29 | 2021-05-28 | 山东玲珑轮胎股份有限公司 | Tyre for vehicle |
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| JP2003146028A (en) * | 2001-11-08 | 2003-05-21 | Sumitomo Rubber Ind Ltd | Pneumatic radial tire |
| JP2005280610A (en) * | 2004-03-30 | 2005-10-13 | Sumitomo Rubber Ind Ltd | Pneumatic tire |
| DE102005030819A1 (en) * | 2005-07-01 | 2007-01-11 | Continental Aktiengesellschaft | Vehicle tires |
| US20090114333A1 (en) * | 2007-11-07 | 2009-05-07 | The Goodyear Tire & Rubber Company | Pneumatic tire |
| JP2010228746A (en) * | 2009-03-06 | 2010-10-14 | Sumitomo Rubber Ind Ltd | Radial tire for heavy load |
| JP2012224678A (en) * | 2011-04-15 | 2012-11-15 | Sumitomo Rubber Ind Ltd | Rubber composition for tire and tire using the same |
| CN102825984A (en) * | 2011-06-15 | 2012-12-19 | 东洋橡胶工业株式会社 | Pneumatic radial 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 |
-
2015
- 2015-07-24 CN CN201510444277.8A patent/CN105172483B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003146028A (en) * | 2001-11-08 | 2003-05-21 | Sumitomo Rubber Ind Ltd | Pneumatic radial tire |
| JP2005280610A (en) * | 2004-03-30 | 2005-10-13 | Sumitomo Rubber Ind Ltd | Pneumatic tire |
| DE102005030819A1 (en) * | 2005-07-01 | 2007-01-11 | Continental Aktiengesellschaft | Vehicle tires |
| US20090114333A1 (en) * | 2007-11-07 | 2009-05-07 | The Goodyear Tire & Rubber Company | Pneumatic tire |
| JP2010228746A (en) * | 2009-03-06 | 2010-10-14 | Sumitomo Rubber Ind Ltd | Radial tire for heavy load |
| JP2012224678A (en) * | 2011-04-15 | 2012-11-15 | Sumitomo Rubber Ind Ltd | Rubber composition for tire and tire using the same |
| CN102825984A (en) * | 2011-06-15 | 2012-12-19 | 东洋橡胶工业株式会社 | Pneumatic radial 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 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110171254A (en) * | 2019-06-26 | 2019-08-27 | 青岛双星轮胎工业有限公司 | Steel wire carcass passenger tire sub-port structure |
| CN110194029A (en) * | 2019-06-26 | 2019-09-03 | 青岛双星轮胎工业有限公司 | Steel wire carcass HT tire and its manufacturing process |
| CN110194029B (en) * | 2019-06-26 | 2023-08-15 | 青岛双星轮胎工业有限公司 | Steel wire carcass HT tire and manufacturing process thereof |
| CN110171254B (en) * | 2019-06-26 | 2024-03-01 | 青岛双星轮胎工业有限公司 | Steel wire carcass passenger tire bead structure |
| CN112848808A (en) * | 2021-01-29 | 2021-05-28 | 山东玲珑轮胎股份有限公司 | Tyre for vehicle |
| CN112848808B (en) * | 2021-01-29 | 2023-09-29 | 山东玲珑轮胎股份有限公司 | Tire with a tire cover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105172483B (en) | 2017-05-24 |
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