CN102582371A - Tire tread for reducing noise of automobile tire - Google Patents
Tire tread for reducing noise of automobile tire Download PDFInfo
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- CN102582371A CN102582371A CN2012100769058A CN201210076905A CN102582371A CN 102582371 A CN102582371 A CN 102582371A CN 2012100769058 A CN2012100769058 A CN 2012100769058A CN 201210076905 A CN201210076905 A CN 201210076905A CN 102582371 A CN102582371 A CN 102582371A
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- tire
- rigid plastic
- plastic inserts
- rubber
- tyre surface
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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Abstract
The invention discloses a tire tread for reducing noise of an automobile tire, which is characterized in that a main body is a rubber body; the outer surface of the rubber body is provided with pattern grooves; hard plastic inserts are respectively and tightly wrapped into pattern blocks by the rubber body; the upper surfaces of the hard plastic inserts are lower than the outer surface of the rubber body; and a layer of rubber body covers on the upper surfaces of the hard plastic inserts. According to the tire tread for reducing the noise of the automobile tire, as the hard plastic inserts are embedded into the tire tread of the rubber body, the rigidity of the pattern blocks is increased; in the running process of the tire, the pressure deformation of the pattern grooves is reduced, and the volume of the air flowing into or out of the pattern grooves is also reduced, and therefore, the air pumping noise generated in the running process is reduced. Meanwhile, the external dimension of each pattern groove is not changed, and the material of the main body is still rubber, so that other performances cannot be greatly changed. As the tire tread for reducing the noise of the automobile tire is a compound tire tread, the rubber consumption of the tire tread and the deformation of the tire tread are reduced, and the rolling resistance of the tire is reduced to a certain degree.
Description
Technical field
The present invention relates to a kind of tire protector, particularly relate to a kind of car and use the noise reduction tire protector.
Background technology
Tire is one of vitals of automobile; It directly contacts with the road surface; Support loading not only, transferring power, propulsive effort and steering effort earthward, and bear effects such as buffer shock-absorbing; Simultaneously aspects such as ride of vehicle, road-holding property, safety, economy, efficient are produced material impact, its effect more and more receives people's attention.
The raising of Along with people's quality of life, there has been clear and definite regulation in a lot of cities to the car noise effluent standard, thereby make the size of car noise become to weigh one of important indicator of car mass level.Auto-industry are through the development of last 100 years, and the noise that the vehicle structure vibration produces is controlled greatly.Therefore squeal of tire has become an overriding noise source during vehicle '.Squeal of tire mainly comprises pump gas noise, impact noise and vibration noise.Under the cruising situation, the pressure distortion of tire tread groove and the pump gas noise that causes is main noise source.In order to reduce the pump gas noise that tread contour causes, technology below adopt: reduce the volume of groove through the size that changes the decorative pattern groove, thereby reduce squeal of tire more; Reduce the pressure distortion of decorative pattern groove through the angle that changes the decorative pattern groove, thereby reduce squeal of tire; Can disperse the spectrum distribution of tire tread noise to distribute with acoustic energy to reduce people's irritated degree, make the frequency of pattern block sounding different simultaneously through optimizing the decorative pattern pitch, the noise section of different frequency offsets, thus the reduction squeal of tire.But a lot of performances of tire are runed counter to, and size through changing the decorative pattern groove and angle have also changed other performances of tire to a great extent when reducing squeal of tire, as grabbing property and drainage; Optimize the absolute magnitude that the decorative pattern pitch does not reduce to take place noise, its noise reduction degree has received very big restriction.
Summary of the invention
The object of the present invention is to provide a kind of compound tyre surface of rubber and plastic that tire pump gas noise and rolling resistance keep other original performances of tire simultaneously that reduces.
For realizing above-mentioned purpose; The present invention adopts following technical scheme: a kind of tyre surface that reduces the motor tire noise; The main body of this tyre surface is a rubber bodies, and the decorative pattern groove is arranged on the outside face, and the rigid plastic inserts is wrapped in the pattern block by rubber bodies tightly; Rigid plastic inserts upper surface is lower than the rubber bodies outside face, and rigid plastic inserts upper surface is coated with one deck rubber bodies.
The height of rigid plastic inserts that the present invention is a kind of to reduce the tyre surface of motor tire noise is not more than the thickness of tire protector; Be about 60%～80% of tread thickness; Its rigid plastic inserts is no more than the size in pattern block cross section on the tyre surface along the vertical cross-section of short transverse, accounts for 30%～60% of pattern block cross section.The upper and lower surfaces of rigid plastic inserts can be provided with structures such as groove, step trough or convexity in various degree with each face of periphery, makes inserts fixing well in tyre surface.The rigid plastic inserts can also be enclosed within through its peripheral groove, step trough or convexity etc. and be fixed on the carcass plies in the tread block again, prevents that the rigid plastic inserts comes off from tire protector in the tire use.
A kind of tyre surface that reduces the motor tire noise of the present invention is combined by rubber bodies and rigid plastic inserts, and promptly a tyre surface part is a rigid plastic, and a part is an elastomeric material.The rigid plastic inserts obtains through injection moulding, and its structure is flexible, and is easy to process, and molding cycle is short.The rigid plastic inserts that injection moulding obtains carries out preliminary bonding before tyre vulcanization through lining cement and tire protector, then itself and tire are carried out the co-vulcanization technological operation, makes tread-rubber tightly wrap up the rigid plastic inserts, is integrally formed.
Preferably, rigid plastic inserts and rubber tread carry out pretreatment, and the rigid plastic inserts is embedded into the tread-rubber from the tyre surface bottom, then compound tyre surface are carried out the sulfuration process operation, make tread-rubber tightly wrap up the rigid plastic inserts, are integrally formed.
Preferably, rigid plastic inserts and rubber tread carry out pretreatment, are made into net structure with nylon cord; The rigid plastic inserts is embedded in the nylon net structure; Then with nylon net structure and rigid plastic inserts around in tire protector, realize rigid plastic inserts location more accurately on tyre surface, carry out the sulfuration process operation then; Make tread-rubber tightly wrap up the rigid plastic inserts, be integrally formed.
A kind of tyre surface that reduces the motor tire noise of the present invention because in the rubber bodies tyre surface, embedded the rigid plastic inserts, has increased the rigidity of pattern block; Tire in the process of moving, the pressure distortion of decorative pattern groove reduces, the volume of air of inflow and outflow decorative pattern groove also reduces; Therefore the pump gas noise that produces in the driving process reduces, and the apparent size of decorative pattern groove does not change simultaneously, and material of main part still is a rubber; Other performance (as grabbing property, water skiing property) can not take place to change significantly yet.The rolling resistance of tire is that the hysteresis degradation of energy that the time stickiness owing to elastomeric material produces causes to a great extent; The compound tyre surface of rubber and plastic of the present invention has reduced the consumption of tire protector rubber and the distortion of tire protector, has reduced the rolling resistance of tire to a certain extent.
Description of drawings
Fig. 1 is a kind of perspective view of launching behind the squeal of tire tyre surface cut-out tread-rubber that reduces of the present invention.
Fig. 2 is a kind of planar structure scheme drawing that launches behind the squeal of tire tyre surface cut-out tread-rubber that reduces of the present invention.
Fig. 3 is the right elevation of Fig. 2.
Fig. 4 is that A-A analyses and observe among Fig. 2.
Fig. 5 is a kind of structure enlarged diagram of rigid plastic inserts.
Among the figure: the 1-rubber bodies; 2-decorative pattern groove; The 3-pattern block; 4-rigid plastic inserts; 5-rigid plastic inserts upper surface; 6-rigid plastic insert surface groove; 7-rigid plastic inserts perimeter trench.
The specific embodiment
Like Fig. 1-shown in Figure 4, a kind of tyre surface that reduces the motor tire noise of the present invention, tread thickness 10-12mm mainly is made up of rubber bodies material and hard plastics.The main body of this tyre surface is a rubber bodies 1; Decorative pattern groove 2 is arranged on the tyre surface; Its degree of depth is 8-10mm, and the decorative pattern groove is asymmetric with respect to the tire split, and rigid plastic inserts 4 is wrapped in the pattern block 3 by rubber bodies 1 tightly; Rigid plastic inserts upper surface 5 is lower than rubber tread, and is coated with one deck rubber bodies.
As shown in Figure 5, a kind of tyre surface that reduces the motor tire noise of the present invention, the height of rigid plastic inserts 4 is not more than the thickness of tire protector; Be about 60%～80% of tread thickness, generally get highly and to be 6-8mm, the thickness of rigid plastic inserts 4 is too high, near or when exceeding rubber tread; Because hardness is big, be out of shape little, stressed mainly the concentrating on the rigid plastic inserts in the tire running process; The area of contact of tire reduces, and driving safety reduces; When the height of rigid plastic inserts 4 is too low, be not enough to improve the distortion of tread block, the noise reduction effect is undesirable.Rigid plastic inserts 4 integral body are no more than the size of tread block 3, account for 30%～60% of pattern block size, and rigid plastic inserts 4 is too big, and the rubber bodies that coats on every side reduces, and are difficult in pattern block fixing; Rigid plastic inserts 4 is too little, and the noise reduction effect is not obvious.Rigid plastic insert surface groove 6 can be set on the rigid plastic inserts upper surface 5, and the periphery of rigid plastic inserts 4 can be provided with structures such as rigid plastic insert surface groove 7 or step trough in various degree, makes inserts well fixing in tyre surface.
A kind of tyre surface that reduces the motor tire noise of the present invention is combined by rubber bodies 1 and rigid plastic inserts 4, and promptly a tyre surface part is a rigid plastic, and a part is an elastomeric material.Rigid plastic inserts 4 obtains through injection moulding, and its structure is flexible, and is easy to process, and molding cycle is short.The rigid plastic inserts 4 that injection moulding obtains carries out preliminary bonding before tyre vulcanization through the rubber bodies 1 of lining cement and tire protector, then itself and tire are carried out the co-vulcanization technological operation, makes tread-rubber tightly wrap up rigid plastic inserts 4, is integrally formed.
Preferably, rigid plastic inserts 4 carries out pretreatment with rubber tread, and rigid plastic inserts 4 is embedded into the tread-rubber from the tyre surface bottom, then compound tyre surface is carried out the sulfuration process operation, makes tread-rubber tightly wrap up rigid plastic inserts 4, is integrally formed.
Preferably, rigid plastic inserts 4 has rigid plastic inserts perimeter trench 7, and rigid plastic inserts 4 carries out pretreatment with rubber tread; Be made into net structure with nylon cord, rigid plastic inserts 4 be embedded in the nylon net structure, then with the fabricate block of nylon net structure and rigid plastic inserts around to tire protector; Realization rigid plastic inserts is located on tyre surface more accurately; Carry out the sulfuration process operation then, make tread-rubber tightly wrap up the rigid plastic inserts, be integrally formed.
The rubber and plastic composite tyre tyre surface that the sulfuration back forms owing to the existence of rigid plastic inserts 4, has increased the rigidity of pattern block 3; Make tire in the process of moving the pressure distortion of decorative pattern groove 2 reduce; The volume of air of inflow and outflow decorative pattern groove 2 also reduces, so the pump gas noise that produces in the driving process also reduces not change of the apparent size of decorative pattern groove 2 simultaneously; Material of main part still is a rubber, and other performance can not take place to change significantly yet.And the compound tyre surface of rubber and plastic reduced the consumption of tire protector rubber and the distortion of tire protector, reduced the rolling resistance of tire to a certain extent.
Claims (5)
1. tyre surface that reduces the motor tire noise; It is characterized in that: main body is a rubber bodies; The decorative pattern groove is arranged on the outside face; The rigid plastic inserts is wrapped in the pattern block by rubber bodies tightly, and rigid plastic inserts upper surface is lower than the rubber bodies outside face, and rigid plastic inserts upper surface is coated with one deck rubber bodies.
2. a kind of tyre surface that reduces the motor tire noise according to claim 1 is characterized in that: the height of rigid plastic inserts is 60%～80% of a tread thickness.
3. a kind of tyre surface that reduces the motor tire noise according to claim 1 is characterized in that: the rigid plastic inserts accounts for 30%～60% of pattern block cross section along the vertical cross-section of short transverse.
4. a kind of tyre surface that reduces the motor tire noise according to claim 1 is characterized in that: the upper and lower surfaces of rigid plastic inserts can be provided with in various degree groove, step trough or convexity with each face of periphery.
5. a kind of tyre surface that reduces the motor tire noise according to claim 4 is characterized in that: the rigid plastic inserts is embedded in the nylon net structure, and inserts is around in tire protector together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100769058A CN102582371A (en) | 2012-03-21 | 2012-03-21 | Tire tread for reducing noise of automobile tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100769058A CN102582371A (en) | 2012-03-21 | 2012-03-21 | Tire tread for reducing noise of automobile tire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102582371A true CN102582371A (en) | 2012-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100769058A Pending CN102582371A (en) | 2012-03-21 | 2012-03-21 | Tire tread for reducing noise of automobile tire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102582371A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3103737A1 (en) * | 2019-11-29 | 2021-06-04 | Compagnie Generale Des Etablissements Michelin | Tire whose tread includes a reinforcing structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT385953B (en) * | 1986-11-14 | 1988-06-10 | Pschaida Edmund | A layer of elastic material, in particular for vehicle tyres, having a tread, and method for manufacturing a vehicle tread provided with a tread layer made of elastic material |
| US6374886B1 (en) * | 1999-10-29 | 2002-04-23 | Nokian Tyres Plc. | Vehicle tire with lamellar studs |
| US20050044943A1 (en) * | 2002-01-21 | 2005-03-03 | Gilles Godeau | Method and systems for measuring wear on a tire |
| US7900669B2 (en) * | 2002-11-04 | 2011-03-08 | Nokian Tyres Plc | Tire with quadrangular studs |
-
2012
- 2012-03-21 CN CN2012100769058A patent/CN102582371A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT385953B (en) * | 1986-11-14 | 1988-06-10 | Pschaida Edmund | A layer of elastic material, in particular for vehicle tyres, having a tread, and method for manufacturing a vehicle tread provided with a tread layer made of elastic material |
| US6374886B1 (en) * | 1999-10-29 | 2002-04-23 | Nokian Tyres Plc. | Vehicle tire with lamellar studs |
| US20050044943A1 (en) * | 2002-01-21 | 2005-03-03 | Gilles Godeau | Method and systems for measuring wear on a tire |
| US7900669B2 (en) * | 2002-11-04 | 2011-03-08 | Nokian Tyres Plc | Tire with quadrangular studs |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3103737A1 (en) * | 2019-11-29 | 2021-06-04 | Compagnie Generale Des Etablissements Michelin | Tire whose tread includes a reinforcing structure |
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Application publication date: 20120718 |