CN202782521U - Bicycle pneumatic tyre for irregular road surfaces - Google Patents
Bicycle pneumatic tyre for irregular road surfaces Download PDFInfo
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- CN202782521U CN202782521U CN 201220406218 CN201220406218U CN202782521U CN 202782521 U CN202782521 U CN 202782521U CN 201220406218 CN201220406218 CN 201220406218 CN 201220406218 U CN201220406218 U CN 201220406218U CN 202782521 U CN202782521 U CN 202782521U
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Abstract
The utility model relates to a bicycle pneumatic tyre for irregular road surfaces. The vertical direction of a tyre cross section is taken as a tyre radial direction, the lateral direction is taken as a tyre axial direction, and a tread center line is taken as an equatorial plane; a plurality of unit patterned block groups are uniformly distributed on a tyre tread; each patterned block group comprises an intermediate main patterned block in an isosceles trapezoid shape, two trapezoidal transitional patterned blocks symmetrically are distributed on two sides of the intermediate main patterned block and positioned on the same tyre axial direction with the intermediate main patterned block, two trapezoidal intermediate secondary patterned blocks are positioned between and staggered from the intermediate main patterned block and the transitional patterned blocks; and the tread on the outside of each intermediate secondary patterned block corresponding to the intermediate main patterned block is provided with an irregular polygonal tyre shoulder patterned block, so that the intermediate main patterned block, as well as the transitional patterned blocks on the two sides, the two intermediate secondary patterned blocks, and the two shoulder patterned blocks are alternately distributed along the circumferential direction of the whole tyre at equal spacing. The bicycle pneumatic tyre provided in the utility model is equipped with a plurality of protruded patterned blocks with specific shapes and arrangements, thus balancing road holding capacity, traction, controllability, and durability as well as other use performances of the tyre.
Description
Technical field
The utility model relates to a kind of bicycle use air-inflation tyre, relates more specifically to a kind ofly in order to be used in the fitfull cross-country road, and optimizes the bicycle pneumatic tire of tread contour configuration.
Background technology
The tire that Mountain bike is supporting, in order to be close to the road surface on irregular road surfaces such as mud ground, sandstone, pan soil, safety is ridden, and usually disposes the pattern block of a plurality of projections at tyre surface.The shape of pattern block is different with configuration mode, and the performances such as the adherence properties that can provide, tractive force also can be variant, therefore needs to cooperate desired purposes and main track, and designs different pattern block shapes and the tire of configuration mode.
The Mountain bike tire of general irregular pavement usage has when driving on the pattern block that the masterpiece opposite with working direction be used in projection, and pattern block produces distortion, and energy can not effectively be conducted, and has aggravated especially the destruction of pattern block.In order to strengthen the intensity of pattern block, just design the angle of more sturdy pattern block or the circumferential wall of increasing pattern block.So, although strengthened pattern block, enable to resist more drastic deformation, cause other secondary action, specific as follows:
1, more sturdy pattern block must increase ground contact area, and the degradation of energy when making driving gets more, and handling is weakened;
2, the angle of the circumferential wall of pattern block strengthens, thereby the volume that can reduce groove reduces spoil disposal, drainage performance;
3, increase tire weight, inertia strengthens, and causes climbing and difficult in acceleration, affects the personnel's that ride durability and speed sense.
The utility model content
The purpose of this utility model is to solve the familiar lacunas that existing tire exists, and provides a kind of in the fitfull cross-country road, can bring into play the bicycle pneumatic tire of the irregular pavement usage of superior adherence properties, tractive force, handling and durability.
For achieving the above object, solution of the present utility model is:
A kind of bicycle pneumatic tire of irregular pavement usage is set as tire radially with the tire section vertical direction, and horizontal direction is set as tire axial, and circumferential line is equatorial plane; Be evenly equipped with a plurality of unit pattern block group at tire protector; Wherein: each pattern block group comprises the main pattern block in the trapezoidal centre of isosceles, two are symmetrically distributed in middle main pattern block both sides and are trapezoidal transition pattern block, transition pattern block circumferential center aligned configuration on tire axial separately of middle main pattern block and both sides forms the side by side A section of configuration; The position is provided with two middle pattern blocks that misplace with the main pattern block in centre and transition pattern block between the main pattern block in centre and transition pattern block in addition, and two middle times pattern block is trapezoidal; The tyre surface in the relatively middle main pattern block of time pattern block outside is provided with the pattern block on tire shoulder of irregular polygon in the middle of each, and two main pattern blocks and two pattern block on tire shoulders circumferential center separately is aligned configuration in the axial direction, forms the side by side B section of configuration; Axially A section, the B section of configuration equidistantly alternately are distributed in the circumferential of whole piece tire side by side.
Successively mind-set axially spaced-apart configuration in tyre surface of time pattern block, two transition pattern blocks and two pattern block on tire shoulders in the middle of the main pattern block in described centre, two, the close tyre surface center inside face of time pattern block, transition pattern block, pattern block on tire shoulder becomes angle with equatorial plane respectively in the middle of each.
Described angle angle is all less than 20 °.
The sharp corner of time pattern block, two transition pattern blocks and two pattern block on tire shoulders all adopts chamfered in the middle of the main pattern block in described centre, two.
The center of the main pattern block in described centre, middle time pattern block, transition pattern block arranges respectively the with it parallel shallow ridges in edge.
The ground plane area on each pattern block surface of described tire is as land area, and the shallow ridges area of each pattern block is as the ocean area, and it is 8% ~ 15% that the Hai Lu ratio is set.
The shallow ridges furrow bank of the main pattern block in described centre, middle time pattern block and transition pattern block designs for the dip plane, and the furrow bank slanted angle is set to 15 ° ~ 30 °.
The main pattern block in described centre, middle time pattern block are formed with angle at wall and the tread base of tire working direction, and angle is set to greater than 30 °.
The main pattern block in described centre, middle time pattern block and transition pattern block perisporium bottom all arrange the base portion decorative pattern.
The base portion decorative pattern of described pattern block on tire shoulder only is arranged on the perisporium bottom in abutting connection with tyre surface one side.
The width of described each base portion decorative pattern is set to 1mm ~ 3mm, and highly is set to each pattern block height of 30% ~ 50%.
Between the adjacent two transition pattern blocks in described tyre surface the same side a S-shaped or Z-shaped bridge formation is set.
The base portion decorative pattern of described each middle main pattern block and each middle time pattern block interconnects.
After adopting such scheme, owing to dispose the pattern block of a plurality of projections on the utility model tire protector, and the distinctive shape of each pattern block tool and arrangement mode, with every in-use performances such as the adherence properties of balanced tire, tractive force, handling and durabilitys.
Perisporium at each pattern block arranges the base portion decorative pattern in addition, and the base portion decorative pattern plays the support reinforcing effect in the pattern block bottom.
Moreover the tyre bead of tire does not arrange the covering sizing material, and exposes more highdensity carcass yarn, further reaches the weight-saving demand.
Description of drawings
Fig. 1 is the sectional schematic diagram of the utility model tire;
Fig. 2 is the tread block local distribution scheme drawing of the utility model tire;
Fig. 3 is a decorative pattern group cell schematics of the utility model tire;
Fig. 4 is the shallow ridges sectional schematic diagram of main pattern block in the middle of the utility model tire, middle time pattern block and transition pattern block;
Fig. 5 is the tread contour distribution schematic diagram of the utility model tire;
Fig. 6 is the sectional schematic diagram of the main pattern block in the centre of the utility model tire, middle time pattern block;
Fig. 7 is the configuration schematic diagram of base portion decorative pattern, bridge formation and each pattern block of tyre surface of the utility model tire;
Fig. 8 is the base portion decorative pattern sectional schematic diagram of the utility model tire;
Fig. 9 is the tread contour configuration schematic diagram of the utility model tire;
Figure 10 is the three-dimensional appearance shaft side figure of the utility model tire.
The specific embodiment
Explain embodiment of the present utility model below in conjunction with accompanying drawing:
To shown in Figure 10, the utility model has disclosed a kind of Mountain bike tire tread pattern and carcass structure of irregular pavement usage such as Fig. 1.In Fig. 1, be set as tire radially with the tire section vertical direction, horizontal direction is set as tire axial, single-point line (circumferential line) expression equatorial plane.
Such as Fig. 2, shown in Figure 3, be evenly equipped with a plurality of unit pattern block group 30 at tire protector 10, each pattern block group 30 comprises the main pattern block 31 in the trapezoidal centre of isosceles; Two main pattern blocks 31 in the middle of being symmetrically distributed in and with it at the axial transition pattern block 33 of same tire, the transition pattern block 33 circumferential center separately of main pattern block 31 and both sides basic aligned configuration on tire axial namely, form the side by side A section of configuration, this transition pattern block 33 roughly is trapezoidal; The position is provided with two middle pattern blocks 32 that misplace with the main pattern block 31 in centre and transition pattern block 33 between the main pattern block 31 in centre and transition pattern block 33 in addition, and time pattern block 32 also roughly is trapezoidal in the middle of this; The tyre surface in the relatively middle main pattern block of time pattern block 32 31 outsides is provided with pattern block on tire shoulder 34 in the middle of each, and this pattern block on tire shoulder 34 is irregular polygon; Then also basic in the axial direction aligned configuration of time pattern blocks 32, two pattern block on tire shoulders 34 circumferential center separately in the middle of two forms the side by side B section of configuration; Successively mind-set axially spaced-apart configuration in tyre surface 10 of time pattern block 32, two transition pattern blocks 33 and two pattern block on tire shoulders 34 in the middle of the main pattern block 31 in centre of the unit pattern block group 30 that so forms, two.Cooperate shown in Figure 3, axially side by side A section, the B section of configuration equidistantly alternately be distributed in the whole piece tire circumferentially, not only can improve tire in the turning handling of medium or hard surfacing, and the balance earth contact pressure, reach even wear.
Cooperate again shown in Figure 2, in the middle of each the close tyre surface center inside face of time pattern block 32, transition pattern block 33, pattern block on tire shoulder 34 respectively with the equatorial plane γ that has angle, angle γ angle is all less than 20 °, angle γ complies with spoil disposal, draining setting, but angle γ angle is excessive, can make pattern block produce obvious directivity and affects horizontal adherence properties when curved.
The sharp corner of time pattern block 32, two transition pattern blocks 33 and two pattern block on tire shoulders 34 all adopts chamfered in the middle of the middle main pattern block 31, two, so can strengthen the edge effect of each pattern block, and then promotes the tractive force of tire.
The center of main pattern block 31, middle time pattern block 32, transition pattern block 33 arranges respectively with it parallel shallow ridges 31a, 32a, the 33a in edge in the centre in addition, cooperate shown in Figure 4ly, the degree of depth h of each shallow ridges 31a, 32a, 33a is set to each pattern block height H of 20% ~ 60%; Further also be provided with shallow ridges 34a at the center of pattern block on tire shoulder 34.The setting of this shallow ridges 31a, 32a, 33a, 34a not only can reduce tire weight, and polygonal shallow ridges 31a, 32a, 33a, 34a further strengthen edge effect, improves the sense of tire ground connection and earth-catching property.As land area, and the shallow ridges area of each pattern block is as the ocean area with the ground plane area on each pattern block surface, and it is 8% ~ 15% that the Hai Lu ratio is set.Pattern block Hai Lu produces wearing and tearing, the phenomenon of rupture of pattern block easily than the too large or too dark rigidity that all can weaken pattern block of shallow ridges setting at complex road surface.In addition, weakened too much by shallow ridges 31a, 32a, 33a for main pattern block 31 in the middle of making, middle time pattern block 32, transition pattern block 33 intensity are unlikely, the furrow bank of shallow ridges 31a, 32a, 33a adopts the dip plane design, and furrow bank slanted angle α is set to 15 ° ~ 30 °.If furrow bank slanted angle α angle is too little, can't reaches and remedy the rigidity loss that shallow ridges 31a, 32a, 33a cause; If furrow bank slanted angle α angle is too large, shallow ridges 31a, 32a, 33a bottom of trench narrow down, and filling sandstone wherein can't in time be discharged, and cause easily the bottom of trench be full of cracks.
Shown in Fig. 5,6, because time pattern block 32 is tire protector 10 main ground area W in the middle of middle main pattern block 31 and two, the main pattern block 31 in centre, the centre time pattern block 32 that therefore are in this ground area W need to carry out Strengthening Design for another example.Namely in the centre wall 311 of main pattern block 31, middle pattern block 32 working direction (direction shown in the arrow among the figure), 321 and tread base form an angle β, β as shown in Figure 6 is set to greater than 30 °.So, main pattern block 31 in the middle of having increased, middle time pattern block 32 working direction walls 311,321 tilt quantity, can establishment in the middle of the deflection of main pattern block 31, middle time pattern block 32, driving is more effectively transmitted.
Shown in Fig. 7,8, for further promoting the Combination property of tire, make tire when abominable road traveling, be not easy wearing and tearing, fracture, the perisporium bottom of main pattern block 31, middle time pattern block 32, transition pattern block 33 and pattern block on tire shoulder 34 all arranges base portion decorative pattern 31b, 32b, 33b, 34b in the centre, to relax the impact of external force, the base portion decorative pattern 34b of pattern block on tire shoulder 34 can only be arranged in abutting connection with the perisporium of tyre surface one side bottom herein, one side and need not to arrange the base portion decorative pattern in abutting connection with the sidewall.The width L1 of this base portion decorative pattern 31b, 32b, 33b, 34b is set to 1mm ~ 3mm and is advisable, and height h1 is set to each pattern block height H (such as Fig. 8) of 30% ~ 50%.If h1 is too little for width L1, height, can't reach the effect that increases the tire tread rigidity; And setting is too large, can increase considerably tire weight, and tire can't lightweight.Wherein, main pattern block 31 interconnects with base portion decorative pattern 31b, the 32b of each middle time pattern block 32 in the middle of each of main ground connection, and is all linked with one another along the circumferential formation of tire, plays the effect of mutual support reinforcing, increase main ground area W pattern block rigid circumference, reduce rolling resistance.Between two adjacent transition pattern blocks 33 of the same side of tyre surface 10 a bridge formation 33c is set in addition, bridge formation 33c is roughly S-shaped or Z-shaped, and radially connects two adjacent transition pattern blocks 33.
The lightweight development tendency that cooperates present irregular pavement usage tire can be arranged in pairs or groups and be optimized the design of carcass structure, further promotes the performance of tire, and the tyre bead of tire both sides arranges curtain yarn layer and do not cover other sizing materials outward, to reduce weight and to save cost.In addition, the carcass yarn adopts 30TPI or is advisable (each inch of TPI:Thread Per Inch curtain yarn contains cord quantity) greater than the density of 30TPI, highdensity curtain knot structure is meticulous, tire force is more balanced, irregular road surface there is sensitiveer reaction, make on the other hand the tire lightweight portable, increase durability.
Claims (13)
1. the bicycle pneumatic tire of an irregular pavement usage is set as tire radially with the tire section vertical direction, and horizontal direction is set as tire axial, and circumferential line is equatorial plane; Be evenly equipped with a plurality of unit pattern block group at tire protector; It is characterized in that: each pattern block group comprises the main pattern block in the trapezoidal centre of isosceles, two are symmetrically distributed in middle main pattern block both sides and are trapezoidal transition pattern block, transition pattern block circumferential center aligned configuration on tire axial separately of middle main pattern block and both sides forms the side by side A section of configuration; The position is provided with two middle pattern blocks that misplace with the main pattern block in centre and transition pattern block between the main pattern block in centre and transition pattern block in addition, and two middle times pattern block is trapezoidal; The tyre surface in the relatively middle main pattern block of time pattern block outside is provided with the pattern block on tire shoulder of irregular polygon in the middle of each, and two main pattern blocks and two pattern block on tire shoulders circumferential center separately is aligned configuration in the axial direction, forms the side by side B section of configuration; Axially A section, the B section of configuration equidistantly alternately are distributed in the circumferential of whole piece tire side by side.
2. the bicycle pneumatic tire of irregular pavement usage as claimed in claim 1, it is characterized in that: successively mind-set axially spaced-apart configuration in tyre surface of time pattern block, two transition pattern blocks and two pattern block on tire shoulders in the middle of the main pattern block in described centre, two, the close tyre surface center inside face of time pattern block, transition pattern block, pattern block on tire shoulder becomes angle with equatorial plane respectively in the middle of each.
3. the bicycle pneumatic tire of irregular pavement usage as claimed in claim 1 or 2, it is characterized in that: described angle angle is all less than 20 °.
4. the bicycle pneumatic tire of irregular pavement usage as claimed in claim 1 or 2 is characterized in that: the sharp corner of time pattern blocks, two transition pattern blocks and two pattern block on tire shoulders all adopts chamfered in the middle of the main pattern block in described centre, two.
5. the bicycle pneumatic tire of irregular pavement usage as claimed in claim 1 or 2 is characterized in that: the center of the main pattern block in described centre, middle time pattern block, transition pattern block arranges respectively the with it parallel shallow ridges in edge.
6. the bicycle pneumatic tire of irregular pavement usage as claimed in claim 5, it is characterized in that: the ground plane area on each pattern block surface of described tire is as land area, and the shallow ridges area of each pattern block is as the ocean area, and it is 8% ~ 15% that the Hai Lu ratio is set.
7. the bicycle pneumatic tire of irregular pavement usage as claimed in claim 5 is characterized in that: the shallow ridges furrow bank of the main pattern block in described centre, middle time pattern block and transition pattern block designs for the dip plane, and the furrow bank slanted angle is set to 15 ° ~ 30 °.
8. the bicycle pneumatic tire of irregular pavement usage as claimed in claim 1 or 2 is characterized in that: the main pattern block in described centre, middle time pattern block are formed with angle at wall and the tread base of tire working direction, and angle is set to greater than 30 °.
9. the bicycle pneumatic tire of irregular pavement usage as claimed in claim 1 or 2 is characterized in that: bottom the main pattern block in described centre, middle time pattern block and the transition pattern block perisporium base portion decorative pattern is set all.
10. the bicycle pneumatic tire of irregular pavement usage as claimed in claim 9 is characterized in that: the base portion decorative pattern of described pattern block on tire shoulder only is arranged on the perisporium bottom in abutting connection with tyre surface one side.
11. the bicycle pneumatic tire of irregular pavement usage as claimed in claim 10 is characterized in that: the width of described each base portion decorative pattern is set to 1mm ~ 3mm, and highly is set to each pattern block height of 30% ~ 50%.
12. the bicycle pneumatic tire of irregular pavement usage as claimed in claim 9 is characterized in that: between the adjacent two transition pattern blocks in described tyre surface the same side a S-shaped or Z-shaped bridge formation is set.
13. the bicycle pneumatic tire of irregular pavement usage as claimed in claim 9 is characterized in that: the base portion decorative pattern of described each middle main pattern block and each middle time pattern block interconnects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220406218 CN202782521U (en) | 2012-08-16 | 2012-08-16 | Bicycle pneumatic tyre for irregular road surfaces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220406218 CN202782521U (en) | 2012-08-16 | 2012-08-16 | Bicycle pneumatic tyre for irregular road surfaces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202782521U true CN202782521U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220406218 Expired - Lifetime CN202782521U (en) | 2012-08-16 | 2012-08-16 | Bicycle pneumatic tyre for irregular road surfaces |
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| Country | Link |
|---|---|
| CN (1) | CN202782521U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107933204A (en) * | 2014-03-26 | 2018-04-20 | 住友橡胶工业株式会社 | Pneumatic tire |
| CN110871650A (en) * | 2018-08-29 | 2020-03-10 | 住友橡胶工业株式会社 | Motorcycle tire for uneven ground running |
-
2012
- 2012-08-16 CN CN 201220406218 patent/CN202782521U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107933204A (en) * | 2014-03-26 | 2018-04-20 | 住友橡胶工业株式会社 | Pneumatic tire |
| CN107933204B (en) * | 2014-03-26 | 2020-02-07 | 住友橡胶工业株式会社 | Pneumatic tire |
| CN110871650A (en) * | 2018-08-29 | 2020-03-10 | 住友橡胶工业株式会社 | Motorcycle tire for uneven ground running |
| CN110871650B (en) * | 2018-08-29 | 2022-12-06 | 住友橡胶工业株式会社 | Motorcycle tire for uneven ground running |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |
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| CX01 | Expiry of patent term |