CN111361361A - Anti-static tire structure - Google Patents
Anti-static tire structure Download PDFInfo
- Publication number
- CN111361361A CN111361361A CN202010311792.XA CN202010311792A CN111361361A CN 111361361 A CN111361361 A CN 111361361A CN 202010311792 A CN202010311792 A CN 202010311792A CN 111361361 A CN111361361 A CN 111361361A
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- CN
- China
- Prior art keywords
- layer
- tire
- rubber
- tread
- tire structure
- 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
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000011324 bead Substances 0.000 claims description 16
- 239000004744 fabric Substances 0.000 claims description 7
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000004073 vulcanization Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000007774 longterm Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 52
- 230000005611 electricity Effects 0.000 description 6
- 230000003068 static effect Effects 0.000 description 6
- 239000002131 composite material Substances 0.000 description 3
- 239000006229 carbon black Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000011265 semifinished product Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- B60C19/00—Tyre parts or constructions not otherwise provided for
- B60C19/08—Electric-charge-dissipating arrangements
-
- 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
- B60C11/1259—Depth of the sipe
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The invention provides an anti-static tire structure, which comprises an airtight layer, a tire body layer and a tread layer which are sequentially arranged from inside to outside; a belt ply structure is arranged at the center between the carcass layer and the tread layer, and comprises a first belt ply, a second belt ply, a third belt ply and a fourth belt ply; cushion rubber is arranged below the belt structure; the tread layer comprises a pattern groove bottom, and the outer surface of the tread layer is covered with a conductive rubber layer. According to the anti-static tire structure, the stress concentration point is not arranged at the tire tread layer, the conductive rubber and the tire crown rubber participate in vulcanization to form a whole, the conductive layers are arranged on the shoulder part of the tire crown and the outer surface of the groove bottom of the pattern of the tire and are directly grounded, the anti-static performance of the tire is not influenced after the conductive layer on the outermost layer of the tire crown is worn in the use process of the tire, the outer side of the shoulder part of the tire and the outer surface of the pattern groove are still in contact with the ground, the long-term anti-static effect is.
Description
Technical Field
The invention relates to the technical field of tire structures, in particular to an anti-static tire structure.
Background
The white carbon black and the carbon black are filled in the reinforced rubber tire, the tire has high resistivity, belongs to an insulator, and is very dangerous if static electricity generated by friction in the driving process cannot be released, and especially, the static electricity treatment of a hazardous chemical transport vehicle is very important; the conventional anti-static tire structure is mainly grounded by penetrating a tread from inside to outside through a conducting wire, static electricity is treated, stress concentration is easily formed at the conducting wire in the deformation process due to different material moduli, and the anti-static tire structure is particularly not suitable for a high-load and large-deformation bearing tire.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the anti-static tire structure, the tread cap of the anti-static tire structure is provided with the groove bottom, and the outer surface of the tread cap is coated with the conductive rubber layer, so that static electricity generated by friction is released in a grounding manner, and the safety of the tire is improved. The technical scheme adopted by the invention is as follows:
an anti-static tire structure comprises an inner liner, a carcass layer and a tread layer which are arranged from inside to outside in sequence; a belt structure is arranged at the center between the carcass layer and the tread layer and comprises a first belt layer, a second belt layer, a third belt layer and a fourth belt layer; cushion rubber is arranged below the belt structure; wherein: the tread layer comprises a pattern groove bottom, and the outer surface of the tread layer is coated with a conductive rubber layer.
Preferably, the antistatic tire structure, wherein: and a plurality of pattern groove bottoms are arranged on the outer surface of the tread layer at equal intervals.
Preferably, the antistatic tire structure, wherein: the vertical distance between the top of the pattern groove bottom and the bottom of the groove bottom is 5-25 mm.
Preferably, the antistatic tire structure, wherein: the width of the conductive rubber layer is not less than the whole width of the tire crown.
Preferably, the antistatic tire structure, wherein: the thickness of the conductive rubber layer is 0.5-3 mm.
Preferably, the antistatic tire structure, wherein: the conductive rubber layer is made of butadiene-based vulcanizable rubber.
Preferably, the antistatic tire structure, wherein: the tire structure further includes a sidewall and a bead attached to a lower portion of the sidewall.
Preferably, the antistatic tire structure, wherein: the tire bead comprises a steel wire ring, an upper triangular rubber and a lower triangular rubber.
Preferably, the antistatic tire structure, wherein: the tire bead is externally and sequentially wrapped with a carcass layer and a wrapping cloth layer; the outer surface of the turn-up position of the carcass layer is coated with a tire bead rubber and a protective cloth rubber.
The invention has the advantages that: according to the anti-static tire structure, the tire tread layer of the tire has no stress concentration point, the conductive rubber and the tire crown rubber participate in vulcanization to form a whole, the tire crown shoulder and the outer surface of the pattern groove bottom of the tire are directly grounded through the conductive layers, in the using process of the tire, the anti-static performance of the tire is not affected after the conductive layer on the outermost layer of the tire crown is worn, the outer side of the shoulder of the tire and the outer surface of the pattern groove are still in contact with the ground, the long-term anti-static effect is achieved, and the anti-static tire structure.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The invention is further illustrated by the following specific figures and examples.
As shown in fig. 1: the invention provides an anti-static tire structure, which comprises an airtight layer 1, a tire body layer 2 and a tread layer 3 which are sequentially arranged from inside to outside; a belt structure is arranged at the center between the carcass layer 2 and the tread layer 3, and comprises a first belt layer 4, a second belt layer 5, a third belt layer 6 and a fourth belt layer 7; cushion rubber 8 is arranged below the belt structure; wherein: the tread layer 3 comprises a pattern groove bottom 9, and a conductive rubber layer 10 is arranged outside the tread layer 3 and plays a role in static electricity prevention.
The outer surface of the tread layer 3 is provided with a plurality of pattern groove bottoms 9 at equal intervals, and the conductive rubber layer arranged outside the pattern groove bottoms releases static electricity near the pattern groove bottoms.
The vertical distance between the top of the pattern groove bottom 9 and the bottom of the groove bottom is 5-25 mm.
The width of the conductive rubber layer 10 is not less than the whole width of the tire crown.
The thickness of the conductive rubber layer 10 is 0.5-3 mm.
The conductive rubber layer 10 is made of butadiene-based vulcanizable rubber.
The tire structure further includes a sidewall 11 and a bead 12 attached to a lower portion of the sidewall.
The bead comprises a bead ring 13, an upper apex 14 and a lower apex 15.
Wherein: the tyre bead 12 is externally sequentially covered with a tyre body layer 2 and a wrapping cloth layer 16; the outer surface of the turn-up position of the carcass layer 2 is coated with bead protection rubber 17 and fabric protection rubber 18. The tire bead is covered with the tire body layer and the wrapping cloth layer in a reverse mode outside the tire bead, the effect of protecting the tire bead is achieved, the possibility of U-shaped blasting of the tire side wall after overload is greatly reduced, and the bearing capacity of the tire is greatly improved.
1) Conductive rubber layer extrusion
The conductive rubber-crown rubber composite can be formed by directly attaching the conductive rubber-crown rubber composite to a tread of a tread pressing line after being pressed by a small open mill extruder; or extruded out and stored separately;
2) shaping of the semifinished products
a. Forming the conductive rubber-crown rubber compound tire: molding according to normal molding steps;
b. forming of the tire with the single conductive layer: after the auxiliary drum of the forming machine is attached to the tire crown, the conductive adhesive layer is centrosymmetric and attached to the upper layer of the tire crown, and then forming is completed according to the normal forming procedure; the tire crown refers to the whole part between two tire shoulders of the outer tire;
the semi-finished product can be molded according to the step a or the step b;
3) vulcanization
According to different pattern molds, filling a tire blank, vulcanizing, and enabling the conductive rubber and the tire crown rubber to flow simultaneously under the pressure of the molds; and raising the temperature to the vulcanization temperature, and crosslinking the two to form a complete layered composite material to obtain the anti-static tire.
According to the anti-static tire structure provided by the invention, the tire tread layer of the tire has no stress concentration point, the conductive rubber and the tire crown rubber participate in vulcanization to form a whole, the tire crown shoulder and the outer surface of the pattern groove of the tire are directly grounded through the conductive layers, the anti-static performance of the tire is not influenced after the conductive layer on the outermost layer of the tire crown is worn in the use process of the tire, the outer side of the shoulder of the tire and the outer surface of the pattern groove are still in contact with the ground, the long-term anti-static effect is achieved, and the anti-static.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (9)
1. An anti-static tire structure comprises an inner liner, a carcass layer and a tread layer which are arranged from inside to outside in sequence; a belt structure is arranged at the center between the carcass layer and the tread layer and comprises a first belt layer, a second belt layer, a third belt layer and a fourth belt layer; cushion rubber is arranged below the belt structure; the method is characterized in that: the tread layer comprises a pattern groove bottom, and the outer surface of the tread layer is coated with a conductive rubber layer.
2. The antistatic tire structure of claim 1, wherein: and a plurality of pattern groove bottoms are arranged on the outer surface of the tread layer at equal intervals.
3. The antistatic tire structure as in claim 2, wherein: the vertical distance between the top of the pattern groove bottom and the bottom of the groove bottom is 5-25 mm.
4. The antistatic tire structure of claim 1, wherein: the width of the conductive rubber layer is not less than the whole width of the tire crown.
5. The antistatic tire structure of claim 1, wherein: the thickness of the conductive rubber layer is 0.5-3 mm.
6. The antistatic tire structure of claim 1, wherein: the conductive rubber layer is made of butadiene-based vulcanizable rubber.
7. The antistatic tire structure of claim 1, wherein: the tire structure further includes a sidewall and a bead attached to a lower portion of the sidewall.
8. The antistatic tire structure of claim 7, wherein: the tire bead comprises a steel wire ring, an upper triangular rubber and a lower triangular rubber.
9. The antistatic tire structure of claim 7, wherein: the tire bead is externally and sequentially wrapped with a carcass layer and a wrapping cloth layer; the outer surface of the turn-up position of the carcass layer is coated with a tire bead rubber and a protective cloth rubber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010311792.XA CN111361361A (en) | 2020-04-20 | 2020-04-20 | Anti-static tire structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010311792.XA CN111361361A (en) | 2020-04-20 | 2020-04-20 | Anti-static tire structure |
Publications (1)
Publication Number | Publication Date |
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CN111361361A true CN111361361A (en) | 2020-07-03 |
Family
ID=71201648
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010311792.XA Pending CN111361361A (en) | 2020-04-20 | 2020-04-20 | Anti-static tire structure |
Country Status (1)
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CN (1) | CN111361361A (en) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1148710A (en) * | 1997-08-07 | 1999-02-23 | Bridgestone Corp | Pneumatic tire and manufacture thereof |
JP2010159017A (en) * | 2009-01-09 | 2010-07-22 | Sumitomo Rubber Ind Ltd | Pneumatic tire |
CN102114756A (en) * | 2011-02-23 | 2011-07-06 | 杭州中策橡胶有限公司 | All-steel loading radial tire with zero-degree belted layer structure |
US20160039252A1 (en) * | 2013-04-24 | 2016-02-11 | Continental Reifen Deutschland Gmbh | Pneumatic vehicle tire and method for making a pneumatic vehicle tire |
CN205220233U (en) * | 2015-12-09 | 2016-05-11 | 大陆马牌轮胎(中国)有限公司 | Antistatic wear -resisting tire |
CN106794718A (en) * | 2014-09-04 | 2017-05-31 | 住友橡胶工业株式会社 | Pneumatic tire |
CN110182005A (en) * | 2019-05-07 | 2019-08-30 | 江苏通用科技股份有限公司 | A kind of light truck bead structure |
CN212124756U (en) * | 2020-04-20 | 2020-12-11 | 江苏通用科技股份有限公司 | Anti-static tire structure |
-
2020
- 2020-04-20 CN CN202010311792.XA patent/CN111361361A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1148710A (en) * | 1997-08-07 | 1999-02-23 | Bridgestone Corp | Pneumatic tire and manufacture thereof |
JP2010159017A (en) * | 2009-01-09 | 2010-07-22 | Sumitomo Rubber Ind Ltd | Pneumatic tire |
CN102114756A (en) * | 2011-02-23 | 2011-07-06 | 杭州中策橡胶有限公司 | All-steel loading radial tire with zero-degree belted layer structure |
US20160039252A1 (en) * | 2013-04-24 | 2016-02-11 | Continental Reifen Deutschland Gmbh | Pneumatic vehicle tire and method for making a pneumatic vehicle tire |
CN106794718A (en) * | 2014-09-04 | 2017-05-31 | 住友橡胶工业株式会社 | Pneumatic tire |
CN205220233U (en) * | 2015-12-09 | 2016-05-11 | 大陆马牌轮胎(中国)有限公司 | Antistatic wear -resisting tire |
CN110182005A (en) * | 2019-05-07 | 2019-08-30 | 江苏通用科技股份有限公司 | A kind of light truck bead structure |
CN212124756U (en) * | 2020-04-20 | 2020-12-11 | 江苏通用科技股份有限公司 | Anti-static tire structure |
Non-Patent Citations (1)
Title |
---|
李承民;陈忠茂;王志远;曹晖;韩贞花;: "轮胎导电性能的研究", 轮胎工业, no. 03, 10 March 2013 (2013-03-10), pages 135 - 139 * |
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