CN208576371U

CN208576371U - A kind of comprehensive tire of HT highway type with bullet stone anti-acoustic capability

Info

Publication number: CN208576371U
Application number: CN201820864809.2U
Authority: CN
Inventors: 蔡莹莹; 余本祎
Original assignee: Anhui Giti Radial Tire Co Ltd
Current assignee: Anhui Giti Radial Tire Co Ltd
Priority date: 2018-06-05
Filing date: 2018-06-05
Publication date: 2019-03-05
Anticipated expiration: 2028-06-05

Abstract

The utility model provides a kind of comprehensive tire of HT highway type with bullet stone anti-acoustic capability, central block and peripheral shoulder block, the first circumferential grooves, the second circumferential grooves, third circumferential grooves and fourth circumferential groove are leaned on by central block, intermediate mass, outside including inside shoulder block, inside；The inside shoulder block and inside lean on central block close to the groove ends of the first circumferential grooves, and outside offers limes marginis slot close to the groove ends of fourth circumferential groove by central block and peripheral shoulder block, the ditch depth of the first circumferential grooves and/or fourth circumferential groove that the depth of the limes marginis slot is 49%~51%；The limes marginis slot of the inside shoulder block and inside are between the limes marginis slot of central block and the equal circumferentially interlaced arrangement between the limes marginis slot of central block and the limes marginis slot of peripheral shoulder block of outside.By the limes marginis processing to pattern block and groove, reach the Highway Comprehensive performance that tire has bullet stone noise reduction.

Description

A kind of comprehensive tire of HT highway type with bullet stone anti-acoustic capability

Technical field

The utility model relates to tyre technologies, and in particular to a kind of HT highway pattern synthesis with bullet stone anti-acoustic capability Type tire.

Background technique

The comprehensive tire of HT highway type needs to do a balance between noise comfort, high speed manipulate and highway is cross-country. Tyre tread design need to focus on the comprehensive performances such as the control of noise and row's stone of highway gravel road conditions.Decorative pattern section can generally be used Arrangement with pitch carrys out calculation optimization decorative pattern noise, and the self-cleaning properties such as the cross-country ability of highway gravel road conditions and row's stone can be right The comfortable and noise of product has a degree of influence and restriction, therefore all outstanding to reach two kinds of performances, and it is difficult to belong to comparison The certain technology of the balance and needs reached is captured.

The prior art is typically limited to carry out calculation optimization decorative pattern noise with the arrangement of decorative pattern section and pitch, and more broken flower Line block tends not to guarantee high speed passability, drainage and good manipulation and the comfort of high-speed road conditions.

Utility model content

The utility model provides a kind of bullet stone anti-acoustic capability design for HT road tires, covers decorative pattern, structure, wheel Exterior feature etc. improve, make its synthesis collocation match outstanding low noise, stable high speed performance, it is good manipulation and comfort and The comprehensive tire of highway type of certain row's stone.

In order to solve the above technical problems, the utility model adopts the following technical solution:

A kind of comprehensive tire of HT highway type with bullet stone anti-acoustic capability, including tyre surface, and it is provided with edge on tyre surface Four circumferential grooves that tire circumferential direction extends and the lateral trench to extension on the outside of tire width direction, the circumferential grooves Tyre surface is divided into multiple pattern blocks with lateral trench, the pattern block successively includes inside shoulder by tire inside to outside Central block and peripheral shoulder block are leaned on by central block, intermediate mass, outside in block, inside, and the circumferential grooves are by tire Inside To Outside Successively include the first circumferential grooves, the second circumferential grooves, third circumferential grooves and fourth circumferential groove:

The inside shoulder block and inside are leaned on by central block close to the groove ends of the first circumferential grooves and outside central Block and peripheral shoulder block offer limes marginis slot close to the groove ends of fourth circumferential groove, and the depth of the limes marginis slot is 49%~ 51% the first circumferential grooves and/or the ditch depth of fourth circumferential groove.It is handled using limes marginis, makes it have the cross-country row's stone of highway Performance.

The limes marginis slot of the inside shoulder block and inside are leaned between the limes marginis slot of central block and the ditch of central block is leaned in outside Equal circumferentially interlaced arrangement between side slot and the limes marginis slot of peripheral shoulder block.

Further, the width that is overlapping of the limes marginis slot is the 25%~30% of limes marginis groove width.

Preferably, the circumferential width of the limes marginis slot is 10mm~18mm, the transverse width of limes marginis slot be 0.8mm ± The width that is overlapping of 0.2mm, limes marginis slot are 2.5mm~5.5mm.

Further, the inside replaces cloth by the lateral trench depth of central block, intermediate mass and outside in central block It sets, and is in turn connected to form zigzag groove, the angle of the lateral trench and circumferential grooves is 50 ° ± 5 °.

Preferably, the ditch depth of deeper lateral trench is the 80% ± 2% of circumferential grooves ditch depth, shallower lateral trench Ditch depth is the 50% ± 2% of circumferential grooves ditch depth.

Preferably, it is provided with decorative pattern strengthening rib strip in the lateral trench of the intermediate mass, the width of the decorative pattern strengthening rib strip For 30% ± 2mm of intermediate mass width.

Further, the side of lateral trench of the inside by central block and outside in central block by shallow steel disc with Circumferential grooves connection, the ditch depth of the shallow steel disc are 60% ± 0.2mm of circumferential grooves ditch depth.Using taking for zanjon and shallow steel disc To match, the use of shallow steel disc had both guaranteed the rigidity of decorative pattern, it is very high handling to being provided when running at high speed, in turn ensure flower The cutting of line block is uniformly and tear resistance.

Further, five kinds of different pattern pitch, respectively the first pattern pitch a, the second flower are circumferentially with along tire Line pitch b, third pattern pitch c, the 4th pattern pitch d and the 5th pattern pitch e, five kinds of pattern pitch have a/b= 1.1, the relationship of b/c=1.1, c/d=1.1 and d/e=1.1.The Heterogeneous Permutation of pattern block is conducive to improve the noise of tire Energy.

From the above technical scheme, the utility model is started with from product overall structure and Pattern Design, first optimization flower Rigidly the high speed of guarantee product and good manipulation and comfort, the layout of suboptimization decorative pattern arrangement and pattern type chamber make line Its noise minimumization, while being handled by the limes marginis to pattern block and groove, reach the Highway Comprehensive that tire has bullet stone noise reduction Performance.

Detailed description of the invention

Fig. 1 is the tread block schematic diagram of the utility model.

Specific embodiment

A kind of preferred embodiment of the utility model is described in detail with reference to the accompanying drawing.

As shown in Figure 1, the comprehensive tire of HT highway type includes tyre surface 10, and it is provided on tyre surface along tire circumference Four circumferential grooves that direction extends and the lateral trench 30 to extension on the outside of tire width direction, the circumferential grooves and transverse direction Tyre surface is divided into multiple pattern blocks by groove, the pattern block by successively include inside shoulder block 11 to outside on the inside of tire, it is interior Central block 14 and peripheral shoulder block 15 are leaned on by central block 12, intermediate mass 13, outside in side, and the circumferential grooves are by outside on the inside of tire Side successively includes the first circumferential grooves 21, the second circumferential grooves 22, third circumferential grooves 23 and fourth circumferential groove 24.

The optimum widths of four circumferential grooves and arrangement guarantee the safety of wetland traveling, are conducive to the draining of pattern block and straight Line handling；The roomy block-like design of shoulder guarantees steering manipulation performance；The sturdy pattern block of bizet, it is rigid accurate Match, various complex road conditions can be coped with.

The inside leans on the width ratio of central block 14 for 1.0:1.1:1.0 by central block 12, intermediate mass 13 and outside, and three The total ground plane width ratio of class pattern block Zhan is respectively 11% ± 1%, 12% ± 1%, 11% ± 1%, accurate rigidity matching, Various complex road conditions can be coped with.

The utility model realizes the special performance of bullet stone noise reduction, is handled by the limes marginis to pattern block, makes it have public affairs The cross-country row's stone performance in road, concrete mode are as follows:

Groove ends and outside of the central block 12 close to the first circumferential grooves 21 are leaned in the inside shoulder block 11 and inside Limes marginis slot 40 is offered close to the groove ends of fourth circumferential groove 24 by central block 14 and peripheral shoulder block 15, the limes marginis slot Depth be 49%~51% the first circumferential grooves and/or fourth circumferential groove ditch depth.

The limes marginis slot of the inside shoulder block 11 and inside are leaned between the limes marginis slot of central block 12 and central block is leaned in outside Equal circumferentially interlaced arrangement between 14 limes marginis slot and the limes marginis slot of peripheral shoulder block 15.

The width that is overlapping of the limes marginis slot is the 25%~30% of limes marginis groove width, in the present embodiment, the limes marginis The circumferential width of slot is 10mm~18mm, and the transverse width of limes marginis slot is 0.8mm ± 0.2mm, the width that is overlapping of limes marginis slot For 2.5mm~5.5mm.

Limes marginis processing reduces noise, while making it so that tyre surface not will form closed tubulose air pump when being contacted with ground With the cross-country row's stone performance of highway.

When groove on tyre surface is completely sealed in ground plane, a tracheae is acted like, can produce narrow Frequency pipes, and for the road surface smooth for surface, circumferential grooves can be such that the noise of tire improves to get over 3dB, also cry that " lumen is made an uproar Sound ", when tire is during rotation, tread contour rolls access ground, and decorative pattern groove is compressed, and internal gas is squeezed out It goes, when tyre tread leaves ground plane, decorative pattern groove opens, and gas is sucked into again to be come.This phenomenon is known as " pumping effect ", Biggish tire noise can be generated.For the limes marginis slot in the circumferential grooves of the utility model, when so that tire accessing ground, shape At the space with trough rim, rather than the enclosure space of tubulose, therefore, noise will be greatly reduced, and this limes marginis slot is with certain Staggeredly, avoid noise and covibration, be conducive to lower noise.

Research and experimental data show that the design of this limes marginis slot has apparent decrease of noise functions:

Upper table can reduce tire when designing using limes marginis slot and make an uproar it is found that the tyre tread noise maximum that asulcal side slot designs, but According to whether staggeredly and staggered degree also has different effects, in tyre tread noise, the promotion difficulty of 1 dB is also very Greatly.

It wherein makes an uproar without tire when interlocking completely overlapped and reaches 74dB, designed lower than asulcal side slot, tire is made an uproar when limes marginis slot has overlapping Noise reduction effect when can be lower than non-overlapping situation, and be overlapped beyond or below the scope of the utility model is not so good as the scope of the utility model Interior noise reduction effect.

Tread block is separated by the lateral trench 30 of zigzag, and the angle of lateral trench and circumferential grooves is held in 50 ° ± 5 °, and the lateral trench uses the staggered ditch depth of the depth, respectively the 80% ± 2% of circumferential grooves ditch depth and 50% ± 2%, the lateral trench the inside of central block position, the decorative pattern that middle part setting length is 30% ± 2mm of intermediate mass width is reinforced Rib 31 reinforces the integral ground rigidity of decorative pattern.

Tyre surface steel disc slot uses the collocation of zanjon and shallow steel disc, and the inside is by central block 12 and outside in central block 14 The side of lateral trench be connected to by shallow steel disc 50 with circumferential grooves, the ditch depth of the shallow steel disc is the 60% of circumferential grooves ditch depth ± 0.2mm, it is ensured that tire still has shallow steel disc in 50% tread wear.

Using the Pattern Design of five pitches, a pattern block and an adjacent pattern groove form a pattern pitch, Five kinds of different pattern pitch, respectively the first pattern pitch a, the second pattern pitch b, third decorative pattern section are circumferentially with along tire Away from c, the 4th pattern pitch d and the 5th pattern pitch e, which has a/b=1.1, b/c=1.1, c/d= The relationship of 1.1 and d/e=1.1.

Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this The various changes and improvements that the technical solution of utility model is made should all fall into the guarantor that claims of the utility model determine It protects in range.

Claims

1. a kind of comprehensive tire of HT highway type with bullet stone anti-acoustic capability, including tyre surface, and be provided on tyre surface along wheel Four circumferential grooves that tire circumferencial direction extends and to the lateral trench extended on the outside of tire width direction, the circumferential grooves with Tyre surface is divided into multiple pattern blocks by lateral trench, the pattern block by successively include to outside on the inside of tire inside shoulder block, Inside by central block, intermediate mass, outside lean on central block and peripheral shoulder block, the circumferential grooves by tire Inside To Outside successively Including the first circumferential grooves, the second circumferential grooves, third circumferential grooves and fourth circumferential groove, it is characterised in that:

The inside shoulder block and inside by central block close to the groove ends of the first circumferential grooves and outside by central block and Peripheral shoulder block offers limes marginis slot close to the groove ends of fourth circumferential groove, and the depth of the limes marginis slot is 49%~51% The first circumferential grooves and/or fourth circumferential groove ditch depth；

The limes marginis slot of the inside shoulder block and inside are leaned between the limes marginis slot of central block and the limes marginis slot of central block is leaned in outside The equal circumferentially interlaced arrangement between the limes marginis slot of peripheral shoulder block.

2. the comprehensive tire of HT highway type according to claim 1, which is characterized in that the width that is overlapping of the limes marginis slot Degree is the 25%~30% of limes marginis groove width.

3. the comprehensive tire of HT highway type according to claim 2, which is characterized in that the circumferential width of the limes marginis slot is 10mm~18mm, the transverse width of limes marginis slot are 0.8mm ± 0.2mm, and the width that is overlapping of limes marginis slot is 2.5mm~5.5mm.

4. the comprehensive tire of HT highway type according to claim 1, which is characterized in that central block, centre are leaned in the inside The lateral trench depth of block and outside in central block is alternately arranged, and is in turn connected to form zigzag groove, the lateral trench with The angle of circumferential grooves is 50 ° ± 5 °.

5. the comprehensive tire of HT highway type according to claim 4, which is characterized in that the ditch depth of deeper lateral trench is The 80% ± 2% of circumferential grooves ditch depth, the ditch depth of shallower lateral trench are the 50% ± 2% of circumferential grooves ditch depth.

6. the comprehensive tire of HT highway type according to claim 4, which is characterized in that in the lateral trench of the intermediate mass It is provided with decorative pattern strengthening rib strip, the width of the decorative pattern strengthening rib strip is 30% ± 2mm of intermediate mass width.

7. the comprehensive tire of HT highway type according to claim 1, which is characterized in that central block and outside are leaned in the inside The side of lateral trench in central block is connected to by shallow steel disc with circumferential grooves, and the ditch depth of the shallow steel disc is circumferential groove groove 60% deep ± 0.2mm.

8. the comprehensive tire of HT highway type according to claim 1, which is characterized in that be circumferentially with five kinds of differences along tire Pattern pitch, respectively the first pattern pitch a, the second pattern pitch b, third pattern pitch c, the 4th pattern pitch d and 5th pattern pitch e, five kinds of pattern pitch have the relationship of a/b=1.1, b/c=1.1, c/d=1.1 and d/e=1.1.