CN110143103A - A kind of oblique car spare tire - Google Patents
A kind of oblique car spare tire Download PDFInfo
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- CN110143103A CN110143103A CN201910475166.1A CN201910475166A CN110143103A CN 110143103 A CN110143103 A CN 110143103A CN 201910475166 A CN201910475166 A CN 201910475166A CN 110143103 A CN110143103 A CN 110143103A
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- 239000011324 bead Substances 0.000 claims abstract description 38
- 239000004744 fabric Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 17
- 230000000694 effects Effects 0.000 description 9
- 238000012360 testing method Methods 0.000 description 6
- 238000010008 shearing Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/01—Shape of the shoulders between tread and sidewall, e.g. rounded, stepped or cantilevered
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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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/01—Shape of the shoulders between tread and sidewall, e.g. rounded, stepped or cantilevered
- B60C2011/013—Shape of the shoulders between tread and sidewall, e.g. rounded, stepped or cantilevered provided with a recessed portion
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The invention discloses a kind of oblique car spare tires comprising: tyre surface, tire shoulder, tyre bead, tyre bead and carcass；Tyre surface is provided with tread contour；Tire shoulder and tyre bead form the sidewall position of tire, the surface of tire shoulder is cambered surface, the center of curvature of cambered surface deviates from tire rotation center, shape has angle between the cambered surface of two sides tire shoulder and two tangent lines at the tyre surface place of being mutually linked, the angle of two tangent lines is 44 °~90 °, tire shoulder is provided with the pattern block group being made of several pattern blocks, and several pattern block groups are spaced apart along tire shoulder is circumferentially equidistant.In this way, breaking oblique car spare tire existing fuzzy region when in use, increases the ground connection mark area of tire tread, the steering stability of tire is promoted while so that tire is had both good sidewall twisting property.
Description
Technical field
The present invention relates to the technical fields of tire, particularly relate to a kind of oblique car spare tire.
Background technique
It is well known that car can all configure spare tyre when leaving the factory, so that car is occurring travelling unexpected wait in emergency circumstances
It uses.Due to the requirement of low oil consumption, car is whole toward lightweight trend development；Matched spare tyre also requires lightweight；Together
When, since spare tyre generally frequency of use is lower, the spare tyre that car configures when leaving the factory is largely for temporarily using
T-type spare tyre.This T-type spare tyre belongs to oblique car spare tire, for landing tire, the tread width of oblique car spare tire is small,
Carcass strength foot meets the performance requirement temporarily used for car while being also able to achieve the light-weighted demand of spare tyre.
However, the carcass of oblique car spare tire uses the structure type of cross-cord, so that the connected effect of carcass is stronger,
The flexibility at tire sidewall position is insufficient, and sidewall twisting property of the spare tyre when turning to is bad.Meanwhile it is standby to save oblique car
Parking space of the tire on vehicle, the tread width of tire is smaller, and such spare tyre is relatively narrow with the ground width on road surface under steam,
The ground connection mark area of tire is smaller, feels to the patch on tire and road surface not strong.Furthermore load of the oblique car spare tire in regulation
Index is larger, when landing tire is in case of emergency replaced with oblique car spare tire by car, since what is loaded to car shares,
Oblique car spare tire is then changed into light load by high load at this time, therefore the ground width on spare tyre and ground narrows, and tire connects
Ground mark area becomes smaller, and feels to the patch on tire and road surface not strong.
Due to the sidewall twisting property of oblique car spare tire is bad and tire and the ground connection mark area on road surface it is smaller, wheel
The performance of tire shoulder and tyre bead interferes with each other tire especially in steering procedure under steam, is easy to appear shearing and puts forth effort indefinite mould
Paste region and lead to the phenomenon of tire steering stability deficiency.
In view of this, the present invention it is quasi- by break oblique car spare tire when in use existing fuzzy region and one kind is provided
The oblique car spare tire of structure optimization increases the ground connection mark area of tire tread, tire is made to have both good sidewall twisting property
While promoted tire steering stability.
Summary of the invention
The purpose of the present invention is to provide the ground connection mark areas that one kind can increase tire tread, and tire is made to have both good tire
The oblique car spare tire of the steering stability of tire is promoted while the twisting property of side.
In order to achieve the above objectives, solution of the invention is:
A kind of oblique car spare tire, including tyre surface, tire shoulder, tyre bead, tyre bead and carcass；Tyre surface is provided with tread contour；Tire
Shoulder and tyre bead form the sidewall position of tire, and the surface of tire shoulder is cambered surface, and the center of curvature of cambered surface deviates from tire rotation center, tire
Shoulder is provided with the pattern block group being made of several pattern blocks, and several pattern block groups are spaced apart along tire shoulder is circumferentially equidistant.
Shape has angle between the cambered surface of two sides tire shoulder and two tangent lines at the tyre surface place of being mutually linked, and the angle of two tangent lines is
44 °~90 °.
Several pattern block groups on the tire shoulder are by two or more identical pattern blocks or by two or two
The above different pattern block is constituted.
The pattern block group is by two identical or different pattern blocks, 180 ° of rotary settings each other；Pattern block is towards tyre surface
One end and one end towards tyre bead have thickness not etc.；The thickness for constituting a pattern block towards tyre surface one end of pattern block group is high
In the thickness towards tyre bead one end；Then another pattern block towards tyre surface one end thickness be lower than towards tyre bead one end thickness, two
Pattern block forms the gradual decorative pattern of different rigidity gradient from high to low.
Two pattern blocks for constituting pattern block group are to be disposed adjacent or be oppositely arranged, and are disposed adjacent the wheel for referring to two pattern blocks
Wide geometric center is along tire shoulder circumferential array；It is oppositely arranged and refers to that the profile geometric centers of two pattern blocks is in tyre bead along tyre surface
Axial alignment.
Two pattern blocks of the gradual decorative pattern with different rigidity gradient from high to low are in arranged adjacent or arranged relative
When forming pattern block group, pattern block group forms the gradual drop setting of " high-low-high " from tyre surface to tyre bead direction.
The side towards tyre surface and the side towards tyre bead for constituting the pattern block of pattern block group are set as curved surface, while with
The smooth connection of the cambered surface of tire shoulder.
Curved groove is set as in the middle part of the pattern block geometric profile for constituting pattern block group.
The pattern block for constituting pattern block group is with one end of higher caliper and the thickness with one end compared with low thickness
Ratio is 2~3.
It is that pattern block group ratio of corresponding region tire thickness on tire shoulder is that pattern block group, which has one end of higher caliper,
0.2~0.3.
The lower edge reference line of pattern block group is to tire equatorial plane and the mutual junction of tire interior surface on tire shoulder
Distance, the distance ratio with tire section trunnion axis to tire equatorial plane and the mutual junction of tire interior surface is 0.15~
0.35。
After adopting the above structure, tire shoulder surface is set cambered surface, the song of cambered surface by a kind of oblique car spare tire of the invention
Rate center deviates from tire rotation center；Simultaneously to the angle formed between two sides tire shoulder cambered surface and the tangent line at the tyre surface place of being mutually linked
It limits.Tire shoulder is provided with the pattern block group being made of several pattern blocks；Tire shoulder cambered surface and pattern block group lower edge reference line with
And tread edge line forms class delta-shaped region；Pattern block group is spaced apart along tire shoulder is circumferentially equidistant；Pattern block on tire shoulder
Group forms the drop setting of " high-low-high " from tyre surface to tyre bead direction.Several pattern block groups on tire shoulder by two or two with
Upper identical pattern block is made of two or more different pattern blocks；The pattern block of pattern block group is towards tyre surface
One end and one end towards tyre bead have thickness not etc.；When the one of pattern block for constituting pattern block group is towards tyre surface one
The thickness at end be higher than pattern block towards tyre bead one end thickness when, adjacent or opposite pattern block towards tyre surface one end
Thickness be then lower than the thickness towards tyre bead one end of pattern block.The pattern block for constituting pattern block on tire shoulder group can be by font (word
It is female), number or geometric figure constitute.In this way, breaking oblique car spare tire existing fuzzy region when in use, increase tire
The ground connection mark area of tyre surface promotes the steering stability of tire while so that tire is had both good sidewall twisting property.
Detailed description of the invention
Fig. 1 is oblique car spare tire profiled outline structural schematic diagram of the present invention；
Fig. 2 is oblique car spare tire profiled outline partial structural diagram of the present invention；
Fig. 3 is pattern block on tire shoulder group pattern partial enlargement structural representation in Fig. 1；
Fig. 4 is oblique car spare tire pattern block on tire shoulder group layout architecture schematic diagram of the present invention；
Fig. 5 is that the ground connection mark area of oblique car spare tire tyre surface of the present invention and prior art tire are grounded mark area
Contrast schematic diagram, in which:
Fig. 5 a is the ground connection mark area schematic diagram of tire in the prior art；
Fig. 5 b is the ground connection mark area schematic diagram of oblique car spare tire tyre surface of the present invention.
Specific embodiment
In order to further explain the technical solution of the present invention, being explained in detail below by specific embodiment the present invention
It states.Define first to the orientation of tire: horizontal direction indicates that tire axial, vertical direction indicate tire diameter in FIG. 1 to FIG. 3
To；C.L indicates tire equatorial plane；Inside is indicated close to tire equatorial plane C.L, indicates outer far from tire equatorial plane C.L
Side；Tire section trunnion axis a is the horizontal line section at tire maximum section width；Horizontal direction in Fig. 5 is tire axial, table
Show the ground width direction of tire；Vertical direction is tire circumferential direction, indicates the ground contact length direction of tire；Tire ground connection is wide
Degree refers to the ground connection profile distance in the axial direction of tire tyre surface when being contacted with ground；Tire ground contact length refer to tire with
The distance of the ground connection profile of tyre surface in a circumferential direction when ground face contact；Tire ground connection mark area refers to tire and ground face contact
When tyre surface in the axial direction be formed by circumferencial direction ground connection profile area.
Fig. 1 discloses a kind of oblique car spare tire profiled outline structural schematic diagram, including tyre surface 1, tire shoulder 2, tyre bead 3, tire
The profiled outline of circle 4 and carcass 5, the left and right sides is symmetrical arranged about tire equatorial plane C.L.Tyre surface 1 is provided with tread contour
(tread contour, the tyre surface flower that there is tyre surface decorative pattern groove, cutter groove etc. to form pattern are not shown in the diagram of the present embodiment
Line)；Tire shoulder 2 and tyre bead 3 form the sidewall position of usually said tire.The surface 22 of tire shoulder 2 uses cambered surface, the song of cambered surface 22
Rate center deviates from tire rotation center.Tire shoulder 2 is provided with the pattern block group 21 being made of several pattern blocks, several pattern block groups 21
It is spaced apart along tire shoulder 2 is circumferentially equidistant, can effectively weaken connected effect of the carcass 5 of cross-cord at tyre surface 1 and sidewall,
Promote the sidewall twisting property of tire；Meanwhile in the case that tire lining generates tension because of air compression, tire is when turning to
Shearing is puted forth effort region and is clearly divided at tire shoulder 2, to increase the ground connection mark area of oblique car spare tire, promotes tire
Stable direction performance.
The surface 22 that Fig. 2 is shown in oblique car spare tire profiled outline partial structural diagram, tire shoulder 2 is set as arc
The center of curvature in face, cambered surface 22 deviates from tire rotation center；The line that cambered surface 22 and 1 place of being mutually linked of tyre surface are formed is in the disconnected of Fig. 2
A point E, the cambered surface 22 of two sides tire shoulder 2 shape between two tangent line L1 at point E are shown as in facial contour partial structural diagram
α at a certain angle, it is preferable that the angle α between two tangent line L1, which is arranged 44 °~90 °, to be advisable.Too big, cambered surface 22 is arranged in angle α
Curvature it is too small, then tire shoulder 2 is too flat, and connected effect of the carcass 5 of cross-cord at sidewall is too strong, the torsion of the sidewall of tire
Performance is bad；Angle α setting is too small, and the curvature of cambered surface 22 is too big, and tyre surface 1 and tire shoulder 2 are connected region and are easy to produce stress concentration,
The service performance of oblique car spare tire is influenced instead.
Tire shoulder 2 is provided with the pattern block group 21 being made of several pattern blocks, and several pattern block groups 21 are circumferential etc. along tire shoulder 2
Away from being spaced apart.As Fig. 4 discloses the structural schematic diagram of 21 pattern of pattern block group on oblique car spare tire tire shoulder 2 of the present invention.Tire
Several pattern block groups 21 on shoulder 2 are by two or more identical pattern blocks or by two or more different flowers
Line block is constituted.Fig. 4 discloses pattern block group 21 by two identical knots in similar T-shaped pattern block 211 and pattern block 212
Structure schematic diagram, pattern block 211 and pattern block 212 180 ° of rotary settings each other, pattern block 211 and pattern block 212 can be adjacent
It is arranged or is oppositely arranged that (being disposed adjacent in the present embodiment refers to the profile geometric center edge of pattern block 211 and pattern block 212
Tire shoulder circumferential array；It is oppositely arranged and refers to that the profile geometric center of pattern block 211 and pattern block 212 is in tyre bead along tyre surface
Axial alignment)；Certainly, the pattern block of pattern block group 21 can also be adopted other than being made of similar font (letter) on tire shoulder 2
It is constituted with one or more of number or geometrical pattern any combination etc..
As shown in Figure 1, several pattern block groups 21 are arranged on tire shoulder 2, pattern block group 21 is along tire week in conjunction with Fig. 3, Fig. 4
It is distributed to equidistant interval.The one end and court of the pattern block of the pattern block group 21 of circumferential equidistant interval distribution towards tyre surface 1 on tire shoulder 2
There is the thickness not waited to one end of tyre bead 3；When one of pattern block for constituting pattern block group 21 is towards 1 one end of tyre surface
Thickness be higher than pattern block towards 3 one end of tyre bead thickness when, adjacent or opposite pattern block towards 1 one end of tyre surface
Thickness is then lower than pattern block towards the thickness of 3 one end of tyre bead.The preferred pattern block group 21 of the present embodiment is identical in class by two
Formed like T-shaped pattern block 211 and pattern block 212, pattern block 211 and pattern block 212 each other 180 ° of rotary settings (such as Fig. 3 institute
Show).Fig. 4 is 2 pattern block group of tire shoulder, 21 layout architecture schematic diagram, constitutes the pattern block 211 of pattern block group 21 towards 1 one end of tyre surface
The thickness h 1 of 211a is higher than the thickness h 3 towards 3 one end 211b of tyre bead；Then thickness of the pattern block 212 towards 1 one end 212b of tyre surface
H3 is lower than the thickness h 1 towards 3 one end 212a of tyre bead, and pattern block 211 and 212 forms the progressive of different rigidity gradient from high to low
Formula decorative pattern.The pattern block 211 and pattern block 212 of gradual decorative pattern with different rigidity gradient from high to low in arranged adjacent or
When person's arranged relative forms pattern block group 21, as shown in figure 3, pattern block group 21 forms " high-low-high " from tyre surface to tyre bead direction
The setting of gradual drop, in this way, connected effect of the carcass 5 at tyre surface 1 and sidewall can be weakened effectively, by tire when turning to
Shearing put forth effort region and clearly divide at tire shoulder 2, to increase the ground connection mark area of oblique car spare tire, promote tire
Stable direction performance.Tire used performance is influenced to generate stress concentration when avoiding the use of pattern block group 21 on tire shoulder 2, structure
It is set as curved surface at the side 211d towards tyre surface 1 and the side 211e towards tyre bead 3 of the pattern block 211 of pattern block group 21,
The smooth connection of cambered surface 22 with tire shoulder 2 simultaneously；Similarly, the side towards tyre surface 1 of the pattern block 212 of pattern block group 21 is constituted
212e and side 212d towards tyre bead 3 be set as curved surface and with the smooth connection of the cambered surface of tire shoulder 2 22.Pattern block group 21 is from tire
Face forms the gradual drop setting of " high-low-high " to tyre bead direction, to strengthen at further reduction pattern block group 21 " low "
It is rigid at "high", it can be set to curved groove 211c (212c) in the middle part of the geometric profile of pattern block 211 (212).
Further, in order to which the gradual decorative pattern for making pattern block 211 or pattern block 212 form reasonable different gradients is rigid
Property, so that effectively reduction carcass 5 to the connected effect at tyre surface 1 and sidewall, promotes sidewall twisting property, pattern block 211 and flower
The thickness h 1 and pattern block 211 and pattern block 212 of one end 211a and 212a of the line block 212 with higher caliper have compared with low thickness
The ratio of thickness h 3 of one end 211b and 212b be preferably 2~3 times, i.e. h1/h3=(2~3).If the ratio of h1/h3 is too big,
Then one end 211a and 212a with higher caliper of pattern block 211 and pattern block 212 and with one end 211b compared with low thickness
Too big with the gap of 212b, tire shearing when turning to is puted forth effort to be easy to concentrate on the close of the one end of pattern block with higher caliper
The root of 2 cambered surface 22 of tire shoulder, influences the sidewall service life of oblique car spare tire；If the ratio of h1/h3 is too small, 211 He of pattern block
One end with higher caliper of pattern block 212 and unobvious with one end gap compared with low thickness, can not effectively weaken carcass 5
It is not significant to the effect for promoting sidewall twisting property to the connected effect at tyre surface 1 and sidewall.
It is worth noting that, the thickness of the pattern block group 21 on tire shoulder 2 need to be rationally arranged, as shown in Figure 1, in conjunction with Fig. 3, figure
The thickness h 1 of 4, one end 211a and 212a with higher caliper of pattern block group 21 are preferably that pattern block group 21 is right on tire shoulder 2
Answer the ratio of region tire thickness h2 is advisable with 0.2~0.3, i.e. h1/h2=(0.2~0.3).If pattern block group 21 have compared with
The thickness h 1 of one end 211a and 212a of high thickness are too high, then the integral rigidity of pattern block group 21 is too strong, and it is standby to influence oblique car
The sidewall twisting property of tire；And the light-weighted demand of car spare tire is influenced to a certain extent；If pattern block group 21 has
The thickness h 1 of one end 211a and 212a of higher caliper are too low, then the sidewall twisting property of oblique car spare tire is unobvious, can not
The ground connection mark area for effectively increasing tyre surface 2, to influence the promotion of oblique car spare tire steering stability.
As shown in Figure 1, further, being imitated effectively to break linkage of the carcass 5 with cross-cord on tyre surface 1 and sidewall
It answers, shears oblique car spare tire under underloading and put forth effort region and clearly divide at tire shoulder 2, pattern block group 21 is at tire shoulder 2
Position need to rationally be arranged.The tire section of tire equatorial plane C.L and the mutual junction of tire interior surface in Fig. 1 is locally tied
A point D is shown as in structure schematic diagram, pattern block group 21 radially close to the lower edge benchmark of tire rotation center on tire shoulder 2
The distance of line b to point D are set as h, and the distance of tire section trunnion axis a to point D are set as H, it is preferable that h/H be 0.15~
0.35 is advisable.In this way, (cambered surface 22 exists the camber line 22 of the lower edge reference line b of pattern block group 21,1 edge line c of tyre surface and tire shoulder 2
A camber line is shown as in the tire section partial structural diagram of Fig. 1) the class delta-shaped region that constitutes, tire shears under underloading
Put forth effort the class delta-shaped region that region is formed at tire shoulder 2 and make effectively segmentation, increases while promoting tire sidewall twisting property
The ground connection mark area of tire under steam, promotes the steering stability of tire.
Still further, from oblique car spare tire in running at high speed in terms of the safe vibration frequency of decorative pattern module unit, tire shoulder 2
On pattern block group 21 be preferably equidistant interval distribution.Distribution group number of the pattern block group 21 on tire shoulder 2 is according to the outer straight of tire
Diameter and set, can also using tire tread decorative pattern unit number depending on, it is preferable that with tire equatorial plane C.L be pair
The pattern block group 21 being equidistantly spaced apart on the two sides tire shoulder 2 at center is referred to as 60 groups~106 groups.Pattern block group 21 is on tire shoulder 2
Equidistant interval distribution not only facilitates reduction carcass 5 to the connected effect at tyre surface 1 and sidewall, promotes the stable direction of tire
Performance；Sidewall stress of the tire in vibration at high speed is helped to disperse simultaneously, improves the sidewall service life of oblique car spare tire.
In order to guarantee that effect of the invention, the oblique car spare tire specification that the embodiment of the present invention is chosen are made by test
Standby；For the embodiment of the present invention, the pattern block of 2 pattern block group 21 of tire shoulder is used as Fig. 4 two identical T-shaped are in similar
It is disposed adjacent, chooses oblique car spare tire specification T125/70D16 and compare test, be 4T according to its test rim of regulation, survey
Examination wind pressure is 420kPa.Fig. 5 illustrates pair of oblique car spare tire tyre surface of the present invention and prior art tire ground connection mark area
Compare schematic diagram.Fig. 5 b is the tire ground connection mark area schematic diagram that oblique car spare tire of the present invention is obtained by test, with Fig. 5 a
The ground connection mark area of prior art tire compare, the tyre surface ground width of tire of the present invention is wider, and ground connection mark area is more
Greatly；The distribution of force for being grounded mark simultaneously is more reasonable.By further testing, the sidewall twisting property of tire and steering are steady
It is qualitative can be more preferably.
It can be confirmed using the surface of the tire shoulder 2 of oblique car spare tire of the present invention by above-mentioned test result using cambered surface, tire
Pattern block on tire shoulder group 21 is arranged in equidistant interval on shoulder 2, can increase tire ground connection mark area, it can be achieved that good sidewall is torsion
The steering stability of tire is promoted while energy.
Above-described embodiment and schema and non-limiting form and style of the invention, the ordinary skill of any technical field
The appropriate changes or modifications that personnel do it all should be regarded as not departing from patent category of the invention.
Claims (10)
1. a kind of oblique car spare tire, including tyre surface, tire shoulder, tyre bead, tyre bead and carcass；Tyre surface is provided with tread contour；Tire shoulder
The sidewall position of tire is formed with tyre bead, it is characterised in that: the surface of tire shoulder is cambered surface, and the center of curvature of cambered surface is revolved away from tire
Turn center, shape has angle between the cambered surface of two sides tire shoulder and two tangent lines at the tyre surface place of being mutually linked, and the angle of two tangent lines is 44 °
~90 °, tire shoulder is provided with the pattern block group being made of several pattern blocks, and several pattern block groups are along the circumferentially equidistant interval point of tire shoulder
Cloth.
2. a kind of oblique car spare tire as described in claim 1, it is characterised in that: several pattern block groups on the tire shoulder by
Two or more identical pattern blocks are made of two or more different pattern blocks.
3. a kind of oblique car spare tire as described in claim 1, it is characterised in that: the pattern block group is identical or not by two
With pattern block 180 ° of rotary settings each other, the one end of pattern block towards tyre surface and one end towards tyre bead have thickness not etc.
Degree；The thickness of one pattern block of composition pattern block group towards tyre surface one end is higher than the thickness towards tyre bead one end；Then another decorative pattern
The thickness of block towards tyre surface one end is lower than the thickness towards tyre bead one end, and two pattern blocks form different rigidity gradient from high to low
Gradual decorative pattern.
4. a kind of oblique car spare tire as claimed in claim 2, it is characterised in that: two pattern blocks for constituting pattern block group are phase
Neighbour's setting is oppositely arranged, and is disposed adjacent the profile geometric center for referring to two pattern blocks along tire shoulder circumferential array；Relatively
The profile geometric center for referring to two pattern blocks is set along tyre surface to tyre bead in axial alignment.
5. a kind of oblique car spare tire as claimed in claim 3, it is characterised in that: with different rigidity gradient from high to low
When two pattern blocks of gradual decorative pattern form pattern block group in arranged adjacent or arranged relative, pattern block group is from tyre surface to tyre bead
Direction forms the gradual drop setting of " high-low-high ".
6. a kind of oblique car spare tire as claimed in claim 5, it is characterised in that: constitute the direction of the pattern block of pattern block group
The side of tyre surface and side towards tyre bead are set as curved surface, at the same with the smooth connection of the cambered surface of tire shoulder.
7. a kind of oblique car spare tire as claimed in claim 6, it is characterised in that: the pattern block for constituting pattern block group is several
Curved groove is set as in the middle part of what profile.
8. a kind of oblique car spare tire as claimed in claim 3, it is characterised in that: the pattern block tool for constituting pattern block group
Having one end of higher caliper and having the thickness ratio of one end compared with low thickness is 2~3.
9. a kind of oblique car spare tire as claimed in claim 3, it is characterised in that: pattern block group has one end of higher caliper
For pattern block group, the ratio of corresponding region tire thickness is 0.2~0.3 on tire shoulder.
10. a kind of oblique car spare tire as described in claim 1, it is characterised in that: the lower edge base of pattern block group on tire shoulder
Directrix at a distance from the mutual junction of tire interior surface, is put down to tire equatorial plane with tire section trunnion axis to tire equator
The distance ratio of face and the mutual junction of tire interior surface is 0.15~0.35.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910475166.1A CN110143103B (en) | 2019-06-03 | 2019-06-03 | Spare tyre of oblique-crossing car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910475166.1A CN110143103B (en) | 2019-06-03 | 2019-06-03 | Spare tyre of oblique-crossing car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110143103A true CN110143103A (en) | 2019-08-20 |
| CN110143103B CN110143103B (en) | 2024-04-09 |
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|---|---|---|---|
| CN201910475166.1A Active CN110143103B (en) | 2019-06-03 | 2019-06-03 | Spare tyre of oblique-crossing car |
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