CN209534656U - A kind of dedicated pneumatic tire of pure electric vehicle passenger car - Google Patents
A kind of dedicated pneumatic tire of pure electric vehicle passenger car Download PDFInfo
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- CN209534656U CN209534656U CN201920012789.0U CN201920012789U CN209534656U CN 209534656 U CN209534656 U CN 209534656U CN 201920012789 U CN201920012789 U CN 201920012789U CN 209534656 U CN209534656 U CN 209534656U
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- tap drain
- cutter groove
- tire
- pattern block
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Abstract
The utility model provides a kind of dedicated pneumatic tire of pure electric vehicle passenger car, including tyre surface, the tyre surface includes the first circumferential tap drain by being sequentially arranged on the outside of tire to tire inside, second circumferential tap drain, third circumferential direction tap drain and fourth circumferential tap drain, described first circumferential tap drain and sidewall limit pattern block one, first circumferential tap drain and the second circumferential tap drain limit pattern block two, described second circumferential tap drain and third circumferential direction tap drain limit pattern block three, it is characterized in that, the pattern block one offers cutter groove one in tire circumferential direction, the cutter groove one is made of the shallow ridges one and zanjon one being sequentially communicated along tire width direction, with the relationship of H1 < H2 between the ditch depth H1 of shallow ridges one and the ditch depth H2 of zanjon one.The utility model integrally improves the wetland performance of tire, while also having ensured decorative pattern rigidity, tire is made to have excellent braking and wear hardness by the way that the ditch depth of traverse furrow two, cutter groove one and cutter groove two is designed to step.
Description
Technical field
The utility model relates to tyre technologies, and in particular to a kind of dedicated pneumatic tire of pure electric vehicle passenger car.
Background technique
With the development of science and technology, the raising of the guiding and national environmental consciousness of national policy, pure electric automobile will become
Car owner chooses the hot spot of love vehicle.However, electric vehicle automobile is compared with conventional fuel oil automobile, course continuation mileage is shorter, heavier-weight, turns round
Square is larger, and noise is small, in terms of the tire from, use the tyre tread on pure electric automobile structural weakening currently on the market
Decorative pattern rigidity, the braking of tire, handling and stiffness distribution are uneven, and there are the risks of eccentric wear.
Utility model content
The utility model provides a kind of dedicated pneumatic tire of pure electric vehicle passenger car, passes through traverse furrow two, cutter groove one and cutter groove two
Step design, increase the rigidity of decorative pattern, promote the drive braking ability of tire, wear hardness, wetland performance and handling
Energy.
In order to solve the above technical problems, the utility model adopts the following technical solution:
A kind of dedicated pneumatic tire of pure electric vehicle passenger car, including tyre surface, the tyre surface include by tire outside to tire
The first circumferential tap drain, the second circumferential tap drain, third circumferential direction tap drain and the fourth circumferential tap drain that side is sequentially arranged, described first is circumferential
Tap drain and sidewall limit pattern block one, and the first circumferential tap drain and the second circumferential tap drain limit pattern block two, the second week
Pattern block three is limited to tap drain and third circumferential direction tap drain, which is characterized in that the pattern block one offers in tire circumferential direction
Cutter groove one, the cutter groove one are made of the shallow ridges one and zanjon one being sequentially communicated along tire width direction, the ditch depth H1 of shallow ridges one
With the relationship of H1 < H2 between the ditch depth H2 of zanjon one.
Further, the pattern block two offers cutter groove two and cutter groove three, the cutter groove two, cutter groove in tire circumferential direction
Three are made of the shallow ridges two and zanjon two, shallow ridges three and the zanjon three that are sequentially communicated along tire width direction respectively, the shallow ridges two
Ditch depth H4 and zanjon two ditch depth H5, the ditch depth H7 of shallow ridges three and the ditch depth H8 of zanjon three between have H1 < H2, H7 < H8
Relationship.
Further, the circumferential side of the cutter groove one and cutter groove two offers beveling slot one and beveling slot two respectively, should
Beveling slot one is connected with cutter groove one, and beveling slot two is connected with cutter groove two.
Further, the ditch of the described first circumferential tap drain, the second circumferential tap drain, third circumferential direction tap drain and fourth circumferential tap drain
Depth is 6.5-7.8mm.
Further, E shape cutter groove is offered on the pattern block three.
Further, between the lateral length W1 of the traverse furrow one and the lateral length W2 of pattern block one have w1:w2=
The relationship of 0.7:0.8, the traverse furrow one are not connected with the first circumferential tap drain.
Compared with prior art, the utility model has the beneficial effects that
The ditch depth of cutter groove one, cutter groove two and cutter groove three is designed to step on the dedicated pneumatic tire of pure electric vehicle passenger car
(i.e. shallow ridges and zanjon) integrally improves the wetland performance of tire, while also having ensured decorative pattern rigidity, has tire excellent
The circumferential side of braking and wear hardness, cutter groove one and cutter groove two offers beveling slot one and beveling slot two, the beveling slot respectively
One is connected with cutter groove one, and beveling slot two is connected with cutter groove two, so that the circumferential furrow width of cutter groove one and cutter groove two becomes larger, increases
Drainage area has advanced optimized the wetland performance of tire, and traverse furrow one is not connected with the first circumferential tap drain, can be with lifting wheel
Tire noise can also increase decorative pattern shoulder rigidity, promote the drive braking ability and handling of tire.
Detailed description of the invention
Fig. 1 is the dedicated pneumatic tire structure figure of the utility model pure electric vehicle passenger car；
Fig. 2 is one structure chart of the utility model traverse furrow one and cutter groove；
Fig. 3 is the vertical section structure chart along tyre width of the utility model cutter groove one；
Fig. 4 is the utility model cutter groove one along the circumferentially upper vertical section structure chart of tire；
Fig. 5 is three structure chart of the utility model cutter groove two and cutter groove；
Fig. 6 is the vertical section structure chart along tyre width of the utility model cutter groove two；
Fig. 7 is the utility model cutter groove two along the circumferentially upper vertical section structure chart of tire；
Fig. 8 is the vertical section structure chart along tyre width of the utility model cutter groove three.
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, a kind of dedicated pneumatic tire of pure electric vehicle passenger car, including tyre surface 1, offered outside tire on tyre surface
The circumferential tap drain 3 of the circumferential tap drain 2, second of first be sequentially arranged on the inside of side to tire, third circumferential direction tap drain 4 and fourth circumferential tap drain
5, the first circumferential tap drain and tire inside limit pattern block 1, and the first circumferential tap drain and the second circumferential tap drain limit decorative pattern
Block 27, the second circumferential tap drain and third circumferential direction tap drain limit pattern block 38, third circumferential direction tap drain and the main restriction of fourth circumferential
Pattern block 49 out, limit pattern block 5 10 on the outside of fourth circumferential tap drain and tire, on pattern block one in tire circumferential direction
Interleaved to be equipped with traverse furrow 1 and cutter groove 1, traverse furrow one is not connected with the first circumferential tap drain, can promote tire noise, increase
Texture mapping shoulder rigidity, promotes the drive braking ability and handling of tire, while the lateral length a of traverse furrow one and pattern block one
Lateral length L3 between the relationship with d:L3=0.7:0.8, can balanced noise and decorative pattern rigidity, traverse furrow one and the first circumferential direction
The not pass-through design of tap drain forms the structure of similar reinforcing rib, enhances the rigidity of pattern block, while reducing by the first circumferential tap drain
The air-flow noise raw to traverse furrow one stream movable property, experimental verification not pass-through design when by 68 decibels of noise, pass-through design passes through
When 69 decibels of noise, 1 decibel of noise can be reduced by not penetrating through.
As in Figure 2-4, cutter groove 1 includes one a of shallow ridges being sequentially communicated on the inside of the first circumferential tap drain to tire1With
One b of zanjon1, traverse furrow two offers beveling slot 1, the beveling slot one and knife close to the circumferential side of first circumferential tap drain one end
Slot one is connected, wherein the long L1 of lateral ditch of shallow ridges one, the long L2 of lateral ditch of zanjon one and chamfer slot one the long L4 of lateral ditch it
Between the relationship with L1:L2:L4=3.5:0.35:1, the long L1 of lateral ditch of shallow ridges one is added with the long L2 of lateral ditch of zanjon one
Length (the as length of cutter groove one) is equal to the lateral length L3, i.e. L1+L2=L3, the long L1 of lateral ditch of shallow ridges one of pattern block one
For 4mm, the circumferential tap drain of the connection of cutter groove one first, the ditch depth H1 of shallow ridges one, the ditch depth H2 of zanjon one and the ditch depth H3 for chamferring slot one
Between with H1:H2:H3=1.18:2:1 relationship, chamfer slot one circumferential furrow width w1 and cutter groove one circumferential furrow width w2 between
Relationship with w1:w2=1.5:3.5, the circumferential furrow width w2 of traverse furrow two are 0.7mm.The cutter groove one of step ditch depth, is not only promoted
The wetland performance of product, while also having ensured decorative pattern rigidity, so that product is possessed excellent drive braking and wear hardness, in addition knife
Slot one has advanced optimized the wetland of decorative pattern shoulder close to the beveling slot one of the circumferential side setting of first circumferential tap drain one end
Can, and will not influence decorative pattern rigidity.
It is as viewed in figures 5-8, interleaved in tire circumferential direction on pattern block 27 to be equipped with cutter groove 2 14 and cutter groove 3 15,
Cutter groove two includes two a of shallow ridges being sequentially communicated from the first circumferential tap drain to the second circumferential tap drain2With two b of zanjon2, cutter groove three includes
Three a of shallow ridges being sequentially communicated from the second circumferential tap drain of circumferential tap drain big first3With three b of zanjon3, cutter groove two is close to the first circumferential master
The side of ditch one end offers beveling slot 2 16, which is connected with cutter groove two, wherein the lateral ditch of shallow ridges two is long
Relationship with L5:L6:L7=0.3:1:1 between L5, the long L6 of lateral ditch of zanjon two and the long L7 of lateral ditch of beveling slot two, shallowly
The long L5 of lateral ditch of ditch two is 4mm, is had between the ditch depth H4 of shallow ridges two, the ditch depth H5 of zanjon two and the ditch depth H6 for chamferring slot two
The relationship of H4:H5:H6=1.2:2.4:1, the ditch depth H6 of beveling slot two are 2mm, chamfer the circumferential furrow width W3 and cutter groove two of slot two
With the relationship of W3/W4=2 between circumferential furrow width W4, the circumferential furrow width W4 of cutter groove two is 0.7mm.Three a of shallow ridges3Lateral ditch it is long
Three b of L8 and zanjon3The long L9 of lateral ditch between the relationship with L8:L9=1:2.5, the long L8 of lateral ditch of shallow ridges three is 4mm, shallowly
With the relationship of H7:H8=1:1.67 between the ditch depth H7 of ditch three and the ditch depth H8 of zanjon three, the ditch depth H7 of shallow ridges three is 2mm, knife
Slot one, cutter groove two and three step of cutter groove and beveling slot one, two design, and the effect for forming similar reinforcing rib has ensured that decorative pattern is rigid
Property, while area is increased relative to planar configuration, it ensure that drainage area.
As shown in Figure 1, the first circumferential tap drain, the second circumferential tap drain, third circumferential direction tap drain and fourth circumferential tap drain ditch depth
It is 7.8mm(when the ditch depth of the first circumferential tap drain, the second circumferential tap drain, third circumferential direction tap drain and fourth circumferential tap drain is less than 6.5
When, it will be greatly reduced the drainage and wearability of circumferential tap drain, therefore the minimum 6.5mm of ditch depth), shallower ditch depth, which designs, to be reduced
The weight of tire offers E shape cutter groove 17 on pattern block three, which is symmetrically staggered with tire circumferential direction central axes,
The wetland performance of pattern block is ensured, the pattern structure on pattern block one is symmetrically staggeredly set with the pattern structure on pattern block five
It sets, the pattern structure on pattern block two is symmetrically staggered with the pattern structure on pattern block four, and E shape cutter groove increases draining
Area, be staggered balanced left and right rigidity, prevents eccentric wear.
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 (6)
1. a kind of dedicated pneumatic tire of pure electric vehicle passenger car, including tyre surface, the tyre surface includes by the inside of tire outside to tire
The circumferential tap drain of first be sequentially arranged, the second circumferential tap drain, third circumferential direction tap drain and fourth circumferential tap drain, described first is circumferential main
Ditch and sidewall limit pattern block one, and the first circumferential tap drain and the second circumferential tap drain limit pattern block two, and described second is circumferential
Tap drain and third circumferential direction tap drain limit pattern block three, which is characterized in that the pattern block one offers knife in tire circumferential direction
Slot one, the cutter groove one are made of the shallow ridges one and zanjon one being sequentially communicated along tire width direction, the ditch depth H1 of shallow ridges one with
With the relationship of H1 < H2 between the ditch depth H2 of zanjon one.
2. the dedicated pneumatic tire of pure electric vehicle passenger car according to claim 1, which is characterized in that the pattern block two is along wheel
Offer cutter groove two and cutter groove three in tire circumferential direction, the cutter groove two, cutter groove three along tire width direction respectively by being sequentially communicated
Shallow ridges two and zanjon two, shallow ridges three and zanjon three form, the ditch depth H5 of the ditch depth H4 of the shallow ridges two and zanjon two, shallow ridges three
Relationship between ditch depth H7 and the ditch depth H8 of zanjon three with H1 < H2, H7 < H8.
3. the dedicated pneumatic tire of pure electric vehicle passenger car according to claim 2, which is characterized in that the cutter groove one and cutter groove
Two circumferential side offers beveling slot one and beveling slot two respectively, which is connected with cutter groove one, chamfer slot two and
Cutter groove two is connected.
4. the dedicated pneumatic tire of pure electric vehicle passenger car according to claim 1, which is characterized in that described first is circumferential main
Ditch, the second circumferential tap drain, third circumferential direction tap drain and fourth circumferential tap drain ditch depth be 6.5-7.8mm.
5. the dedicated pneumatic tire of pure electric vehicle passenger car according to claim 1, which is characterized in that opened on the pattern block three
Equipped with E shape cutter groove.
6. the dedicated pneumatic tire of pure electric vehicle passenger car according to claim 1, which is characterized in that the pattern block one is along wheel
Traverse furrow one is offered in tire circumferential direction, is had between the lateral length W1 of the traverse furrow one and the lateral length W2 of pattern block one
The relationship of w1:w2=0.7:0.8, the traverse furrow one are not connected with the first circumferential tap drain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920012789.0U CN209534656U (en) | 2019-01-04 | 2019-01-04 | A kind of dedicated pneumatic tire of pure electric vehicle passenger car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920012789.0U CN209534656U (en) | 2019-01-04 | 2019-01-04 | A kind of dedicated pneumatic tire of pure electric vehicle passenger car |
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| Publication Number | Publication Date |
|---|---|
| CN209534656U true CN209534656U (en) | 2019-10-25 |
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ID=68268504
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920012789.0U Active CN209534656U (en) | 2019-01-04 | 2019-01-04 | A kind of dedicated pneumatic tire of pure electric vehicle passenger car |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532342A (en) * | 2019-01-04 | 2019-03-29 | 安徽佳通乘用子午线轮胎有限公司 | A kind of dedicated pneumatic tire of pure electric vehicle passenger car |
-
2019
- 2019-01-04 CN CN201920012789.0U patent/CN209534656U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532342A (en) * | 2019-01-04 | 2019-03-29 | 安徽佳通乘用子午线轮胎有限公司 | A kind of dedicated pneumatic tire of pure electric vehicle passenger car |
| CN109532342B (en) * | 2019-01-04 | 2024-04-09 | 安徽佳通乘用子午线轮胎有限公司 | Special pneumatic tire for pure electric passenger car |
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