CN100480066C - Explosion-proof pneumatic tyre - Google Patents
Explosion-proof pneumatic tyre Download PDFInfo
- Publication number
- CN100480066C CN100480066C CNB2006101098638A CN200610109863A CN100480066C CN 100480066 C CN100480066 C CN 100480066C CN B2006101098638 A CNB2006101098638 A CN B2006101098638A CN 200610109863 A CN200610109863 A CN 200610109863A CN 100480066 C CN100480066 C CN 100480066C
- Authority
- CN
- China
- Prior art keywords
- bead filler
- tyre bead
- tyre
- carcass
- filler
- 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.)
- Expired - Fee Related
Links
Images
Classifications
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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
- B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
- B60C17/08—Means facilitating folding of sidewalls, e.g. run-flat sidewalls
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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
- B60C13/00—Tyre sidewalls; Protecting, decorating, marking, or the like, thereof
- B60C13/04—Tyre sidewalls; Protecting, decorating, marking, or the like, thereof having annular inlays or covers, e.g. white sidewalls
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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
- 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
- B60C15/0603—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead characterised by features of the bead filler or apex
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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
- B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
- B60C17/0009—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor comprising sidewall rubber inserts, e.g. crescent shaped inserts
- B60C17/0018—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor comprising sidewall rubber inserts, e.g. crescent shaped inserts two or more inserts in each sidewall portion
-
- 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
- B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
- B60C17/04—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor utilising additional non-inflatable supports which become load-supporting in emergency
-
- 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
- B60C13/00—Tyre sidewalls; Protecting, decorating, marking, or the like, thereof
- B60C13/04—Tyre sidewalls; Protecting, decorating, marking, or the like, thereof having annular inlays or covers, e.g. white sidewalls
- B60C2013/045—Tyre sidewalls; Protecting, decorating, marking, or the like, thereof having annular inlays or covers, e.g. white sidewalls comprising different sidewall rubber layers
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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
- B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
- B60C17/0009—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor comprising sidewall rubber inserts, e.g. crescent shaped inserts
- B60C2017/0054—Physical properties or dimensions of the inserts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The present invention provides explosion-proof pneumatic tyre, the tyre bead filler of the tyre bead includes the first, second, third tyre bead filler (311, 312, 313); the tyre carcass(4) comprises superstratum and underlayer tyre carcass (41, 42); the third tyre bead filler is set on the outside of the first tyre bead filler, the top the third tyre bead filler extends to the bottom of the tyre shoulder (20) and its thickness is becoming thin gradually from bottom to top; the second tyre bead filler is set on the outside of the third tyre bead filler, the end of outside of the second tyre bead filler reaches to the wheel gasket (21), the top of the second tyre bead filler extends to the outside of the first belt (101) and its thickness is becoming thin gradually from bottom to top; the underlayer tyre carcass wraps tyre bead core (30) and the first tyre bead filler, its end part lies in the inner side of the third tyre bead filler; the superstratum tyre carcass wraps the outside of the third tyre bead filler, and its end part lies in the inner side of the tyre bead core. So, the decline of comfortable feeling caused by the increase of the rigidity of the tyre lateral can be avoided, and the tyre bead can be prevented from breaking away from the wheel disk when the tyre is burst.
Description
Technical field
The present invention relates to the rigidity of sidewall portion is strengthened and the air-inflation tyre of the anti-explosion that also can travel with certain speed when the tyre break.In more detail, the air-inflation tyre of anti-explosion involved in the present invention improves the structure of tyre bead filler, can prevent the comfort decline phenomenon by bus that the rigidity increase because of sidewall portion causes thus, when sharply turning, can prevent that tyre bead breaks away from from wheel rim.
Background technology
Generally, air-inflation tyre is by the weight of the air hydraulic support vehicle of inside tires.If do not exist air to press in the inside of tire, then travel under the tire state that face and wheel rim are close within it.
If force in this state to travel, then the sidewall portion of tire can damage.Even to the tire place under repair of breakage, can not bring into play the tire function again.
In order to solve described problem, as shown in Figure 1, following proposal is arranged in the prior art, be provided with at the medial surface of sidewall portion 2 and strengthen rubber 5, when inside tires does not exist air to press, make the weight of the sidewall portion 2 supporting vehicles of tire thus.
When tire generation explosion, the weak position that is highly brittle is exactly a bead part.
In tire, bead part is adjacent to by air pressure that is filled in inside tires and wheel rim securely as the position that contacts with wheel rim.
But if because of there is not air pressure in explosion in the inside of tire, then bead part is and merely hangs over rim flange in-to-in state.
If continue in this state to travel,, exist bead part to cause the problem of grave accident easily from the wheel rim disengaging then because the tension force that crooked sidewall portion carcass is pulled to the tire inboard becomes big.
In order to solve above-mentioned problems of the prior art, as shown in Figure 2, the present patent application people once proposed following application (korean patent application 2004-0093273 number): a kind of air-inflation tyre of anti-explosion comprises fetus face 1, sidewall portion 2 and bead part 3.Carcass 4 is crossed in fetus face 1, sidewall portion 2 and the bead part 3.Be provided with in the inboard of described sidewall portion 2 and strengthen rubber 5.Described bead part 3 is made of bead core 30 that twines many steel wires and the tyre bead filler 31 that is arranged on described bead core 30 tops.It is characterized in that described tyre bead filler 31 comprises: the first tyre bead filler 311 is arranged on the top of described bead core 30; The second tyre bead filler 312 is arranged on the outside of the described first tyre bead filler 311, and is positioned at the top of described rim flange 61; The 3rd tyre bead filler 313 is arranged on the top of the described second tyre bead filler 312.
But, though the invention in first to file like this has the effect that prevents that by bead part is strengthened bead part breaks away from from wheel rim when the tyre break, but, owing to the reinforcement rubber layer is set, ride to obtain bigger effect aspect the comfort in the difficulty of improving the tire manufacturing and raising in the inside of sidewall portion.
Summary of the invention
In order to address the above problem, the object of the invention is to provide a kind of air-inflation tyre of anti-explosion, this tire is by improving the structure of tyre bead filler, can prevent the reduction of comfort by bus that the rigidity increase because of sidewall portion causes, and can prevent that bead part breaks away from from tyre bead when sharply turning.
To achieve these goals, the air-inflation tyre of anti-explosion of the present invention constitutes in the following manner.Promptly, comprise fetus face, sidewall portion and bead part, carcass is crossed on fetus face, in sidewall portion and the bead part, described bead part is made of bead core that twines many steel wires and the tyre bead filler that is arranged on the bead core top, described tyre bead filler comprises: first, second, the 3rd tyre bead filler, wherein, described carcass comprises upper strata carcass and lower floor's carcass, arranged outside at the first tyre bead filler has the 3rd tyre bead filler, the upper end of the 3rd tyre bead filler highly extends to the below of tire shoulder portion, the thickness of the 3rd tyre bead filler is attenuation more more upward, arranged outside at described the 3rd tyre bead filler has the second tyre bead filler, the outboard end of the second tyre bead filler arrives wheel rim pad portion, the upper end of the second tyre bead filler extends to the external side end of first bracing ply, the thickness of the second tyre bead filler is attenuation more more upward, the described lower floor carcass winding bead core and the first tyre bead filler, and its end is positioned at the inboard of the 3rd tyre bead filler, the upper strata carcass encases the lateral surface of the 3rd tyre bead filler, and its end is positioned at the bottom surface of bead core.
Description of drawings
Fig. 1 is the schematic sectional view of the anti-collapsed tire of prior art;
Fig. 2 is the schematic sectional view of other anti-collapsed tire of prior art;
Fig. 3 is the schematic sectional view of anti-collapsed tire of the present invention.
The specific embodiment
Below, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 3 is the airtyred schematic sectional view of anti-explosion of the present invention.As shown in Figure 3, the air-inflation tyre of anti-explosion of the present invention comprises fetus face 1, sidewall portion 2 and the bead part 3 with bracing ply 10.Carcass 4 is crossed in fetus face 1, sidewall portion 2 and the bead part 3.Described bead part 3 is made of bead core 30 that twines many steel wires and the tyre bead filler 31 that is arranged on bead core 30 tops.Tyre bead filler 31 comprises first, second, third tyre bead filler 311,312,313.Wherein, carcass 4 comprises upper strata carcass 41 and lower floor's carcass 42.Arranged outside at the first tyre bead filler 311 has the 3rd tyre bead filler 313.The upper end of the 3rd tyre bead filler 313 highly extends to the below of tire shoulder portion 20, and the attenuation more more upward of its thickness.Arranged outside at described the 3rd tyre bead filler 313 has the second tyre bead filler 312.The outboard end of the second tyre bead filler 312 arrives wheel rim pad portion 21.The upper end of the second tyre bead filler 312 extends to the external side end of bracing ply 10.The thickness of the second tyre bead filler is attenuation more more upward, the described lower floor carcass 42 winding bead cores 30 and the first tyre bead filler 311, and its end is positioned at the inboard of the 3rd tyre bead filler 313.Upper strata carcass 41 encases the lateral surface of the 3rd tyre bead filler 313, and its end is positioned at the bottom surface of bead core 30.
In addition, form the rigidity of each tyre bead filler according to following ratio, that is, the rigidity of the first tyre bead filler 311 is formed 10～20MPa (megapascal (MPa)), the rigidity of the second tyre bead filler 312 is formed 3～9MPa, the rigidity of the 3rd tyre bead filler 313 is formed 7～15MPa.
The present invention of Gou Chenging like this, even act on the carcass 4 that is positioned at the tire inboard because of the explosion of tire becomes big tension force, but the upper strata carcass 41 that is arranged on the second tyre bead filler, 312 outsides can provide the reciprocal tension force of the inboard tension force of opposing, thereby can prevent that bead part 3 breaks away from from wheel rim.
In addition, because the second tyre bead filler 312 and the 3rd tyre bead filler 313 are formed up to the below of tire shoulder portion 20 and bracing ply 10, when tyre break, can support the pressure that is delivered to tire, so do not need to be provided with in addition reinforcement rubber.In addition, because the second tyre bead filler 312 and its thickness attenuation more more upward of the 3rd tyre bead filler 313, so, can prevent to reduce comfort by bus faint to tire shoulder portion 20 its influences that the comfort influence is bigger by bus.
The present invention is not limited to the foregoing description, can diversely be out of shape in the allowed band of technical conceive of the present invention and implements.
As mentioned above, the present invention has following effect. That is, can prevent from increasing because of the rigidity of sidewall section The by bus comfort decline phenomenon that causes when tyre break, can prevent that bead part from taking off from wheel rim From, can prevent to take place major accident.
Claims (2)
1. the air-inflation tyre of an anti-explosion, comprise have bracing ply fetus face (1), sidewall portion (2) and the bead part (3) of (10), carcass (4) is crossed in fetus face (1), sidewall portion (2) and the bead part (3), described bead part (3) is by the bead core (30) that twines many steel wires and be arranged on tyre bead filler (31) formation of bead core (30) top, described tyre bead filler (31) comprising: first, second, third tyre bead filler (311,312,313), it is characterized in that
Described carcass (4) comprises upper strata carcass (41) and lower floor's carcass (42),
Described the 3rd tyre bead filler (313) is arranged on the outside of the described first tyre bead filler (311), and the upper end of described the 3rd tyre bead filler (313) highly extends to the below of tire shoulder portion (20), the attenuation more more upward of the thickness of described the 3rd tyre bead filler (313),
The described second tyre bead filler (312) is arranged on the outside of described the 3rd tyre bead filler (313), the outboard end of the described second tyre bead filler (312) arrives wheel rim pad portion (21), and the upper end of the described second tyre bead filler (312) extends to the external side end of bracing ply (10), and the thickness of the described second tyre bead filler is attenuation more more upward
Described bead core of described lower floor carcass (42) winding (30) and the described first tyre bead filler (311), and the end of described lower floor carcass (42) is positioned at the inboard of described the 3rd tyre bead filler (313),
Described upper strata carcass (41) encases the lateral surface of described the 3rd tyre bead filler (313), and the end of described upper strata carcass (41) is positioned at the bottom surface of described bead core (30).
2. the air-inflation tyre of anti-explosion as claimed in claim 1, it is characterized in that, the pressure that the described first tyre bead filler (311) can bear is 10～20MPa (megapascal (MPa)), the pressure that the described second tyre bead filler (312) can bear is 3～9MPa, and the pressure that described the 3rd tyre bead filler (313) can bear is 7～15MPa.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050079409A KR100645334B1 (en) | 2005-08-29 | 2005-08-29 | Run-flat tire |
| KR1020050079409 | 2005-08-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1923549A CN1923549A (en) | 2007-03-07 |
| CN100480066C true CN100480066C (en) | 2009-04-22 |
Family
ID=37654452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101098638A Expired - Fee Related CN100480066C (en) | 2005-08-29 | 2006-08-18 | Explosion-proof pneumatic tyre |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100645334B1 (en) |
| CN (1) | CN100480066C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101573870B1 (en) | 2014-10-01 | 2015-12-02 | 금호타이어 주식회사 | Runflat tire with dual rimflange |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5526863A (en) * | 1994-04-18 | 1996-06-18 | Michelin Recherche Et Technique S.A. | Tire with reduced bead mass |
| US5968294A (en) * | 1997-06-10 | 1999-10-19 | Michelin Recherche Et Technique S.A. | Run-flat tire with an improved bead to rim interface |
| US6022434A (en) * | 1996-08-02 | 2000-02-08 | Michelin Recherche Et Technique S.A. | Run-flat tire having partial carcass layers |
-
2005
- 2005-08-29 KR KR1020050079409A patent/KR100645334B1/en not_active IP Right Cessation
-
2006
- 2006-08-18 CN CNB2006101098638A patent/CN100480066C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5526863A (en) * | 1994-04-18 | 1996-06-18 | Michelin Recherche Et Technique S.A. | Tire with reduced bead mass |
| US6022434A (en) * | 1996-08-02 | 2000-02-08 | Michelin Recherche Et Technique S.A. | Run-flat tire having partial carcass layers |
| US5968294A (en) * | 1997-06-10 | 1999-10-19 | Michelin Recherche Et Technique S.A. | Run-flat tire with an improved bead to rim interface |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100645334B1 (en) | 2006-11-14 |
| CN1923549A (en) | 2007-03-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090422 Termination date: 20150818 |
|
| EXPY | Termination of patent right or utility model |