CN207077952U - Light-weight electric scooter non-inflatable tyre structure - Google Patents
Light-weight electric scooter non-inflatable tyre structure Download PDFInfo
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- CN207077952U CN207077952U CN201720878099.4U CN201720878099U CN207077952U CN 207077952 U CN207077952 U CN 207077952U CN 201720878099 U CN201720878099 U CN 201720878099U CN 207077952 U CN207077952 U CN 207077952U
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- tire
- outer arc
- arc groove
- circular hole
- interior circular
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Abstract
The utility model discloses a kind of light-weight electric scooter non-inflatable tyre structure, the tire includes fetus face, shoulder portion, tyre bead portion, tire lip；Wherein circumferentially be spacedly distributed several outer arc grooves in shoulder portion to the tyre bead portion of tire both sides, outer arc groove is from close to tire lip, to shoulder portion, radially spiral diverging is set, and the width of outer arc groove is in gradually small setting from tire lip to shoulder portion, it is in tapered inclined taper surface that outer arc groove is formed from shoulder portion, tyre bead portion and tire lip to tyre surface center along tire axial；At least one axial interior circular hole is provided with outer arc groove, i.e. outer arc groove is paperwrapped in the outside of interior circular hole.Taper surface of the outer arc groove along tire axial is integrally formed the 3 D stereo arcwall face being made up of the arc of circumference, the taper of axial direction and the spiral of radial direction and may insure to lift low energy consumption performance while the stability of tire running.
Description
Technical field
A kind of non-inflatable tyre structure is the utility model is related to, refers in particular to be used in light-weight electric scooter and exempts to inflate
Tire construction.
Background technology
In recent years, scooter is a dark horse in domestic vehicles market, and particularly Portable electric scooter more obtains energetically
Development.The features such as Portable electric scooter has in light weight, vehicle small volume concurrently, and parking facilitates is increasingly becoming in market of riding instead of walk newly
Emerging walking-replacing tool.Portable electric scooter focuses on the compactedness of vehicle and the stability of traveling in routine use,
Therefore often supporting small-wheel-diameter breaks greatly wide non-inflatable tyre Portable electric scooter.Motor can be so installed on inside wheel rim
In space, the vehicle type structure of compact is formed, the ground width of tire is also increased while vehicle's center of gravity is reduced, to carry
Rise the stability of vehicle traveling.But with the concern of energy-saving and emission-reduction problem, reducing energy consumption turns into the another new of electric bicycle
Development trend, but existing small-wheel-diameter pneumatic tire of exempting disconnected greatly is larger because of section width, air caused by its traveling
Shearing force is larger, easily brings large energy to lose, and will form higher energy consumption.
Supporting small-wheel-diameter is disconnected greatly on common portable electric vehicle exempts inside the tyre bead portion or carcass of pneumatic tire
Set up in respect of axial hole or circumferential hole, as shown in figure 1, being designed with axial hole 1 ' in the tyre bead portion of tire or being set in inside tires
In respect of multiple circumferential holes 2 '.The mitigation of tire weight is realized by axial hole 1 ' or circumferential hole 2 ' in tire running, necessarily
The loss of the energy is reduced in degree, but due to reducing the backing material of tire, causes the integral rigidity deficiency of tire, easily
The problem of stability decline of tire running occurs.In addition, section width of such tire in motion because of tire is larger, shape
Into larger air shearing forces, meanwhile, the wall of axial hole 1 ' is perpendicular to the direction that rotates in a circumferential direction of tire, and tire is because rotating in a circumferential direction
Caused air shearing forces can not be removed effectively, and the non-inflatable tyre energy loss for causing small-wheel-diameter to break greatly wide is also higher, nothing
Method meets the low energy consumption requirement of tire, realizes the purpose of the high endurance of vehicle.
Utility model content
The purpose of this utility model is to provide a kind of non-inflatable tyre structure of light-weight electric scooter, it can be ensured that
Low energy consumption performance is lifted while the stability of tire running.
To achieve the above object, solution of the present utility model is：
A kind of light-weight electric scooter non-inflatable tyre structure, the tire include fetus face, shoulder portion, tyre bead portion, tire
Lip；Wherein circumferentially be spacedly distributed several outer arc grooves in shoulder portion to the tyre bead portion of tire both sides, and outer arc groove is by close to tire
To shoulder portion, radially spiral diverging is set lip, and the width of outer arc groove is in gradually small setting from tire lip to shoulder portion, outer arc
It is in tapered inclined taper surface that groove is formed from shoulder portion, tyre bead portion and tire lip to tyre surface center along tire axial；In outer arc groove
Interior to be provided with least one axial interior circular hole, i.e. outer arc groove is paperwrapped in the outside of interior circular hole.
The outer arc groove is formed from shoulder portion, tyre bead portion to the centroclinal upper conical face of tyre surface, along wheel along tire axial
Tire is axially formed from tire lip to the centroclinal inferior pyramidal face of tyre surface, this upper conical face, inferior pyramidal face and favours tire running
The direction that rotates in a circumferential direction.
The angle in the upper conical face and axial direction is 5 °~15 °, and the angle in inferior pyramidal face and axial direction is not less than upper conical face
With the angle of axial direction.
The radial inner end of the outer arc groove, radial outer end use the edge of circular arc, the center of circle where radial inner end circular arc
Circumferential angle with the line and tire running in the center of circle where radial outer end circular arc between circumferential tangent line is 10 °~30 °.
The ratio of the outer width and insied width of the outer arc groove is 0.5~0.8.
The radial height of the outer arc groove and the ratio of tire section height are 0.4~0.6.
The axial direction incision width of the outer arc groove of the shoulder portion position is the 5% ~ 15% of tire tread width.
The interior circular hole for being distributed in tire both sides outer arc groove is through inside whole tire axial.The outer arc groove it is interior
Part is furnished with several interior circular holes, and the diameter of each interior circular hole is in gradually small setting from tire lip to shoulder portion.
The interior circular hole of the inside distribution of the outer arc groove is arranged to the interior circular hole in three kinds of apertures：Imperial palace circular hole, in interior circular hole,
Small interior circular hole, when the hand of spiral of the outer arc groove of tyre edge both sides is different each other, in interior circular hole and small interior circular hole using same
The Double-ladder hole of axle, i.e.,：The small interior circular hole of interior circular hole and opposite side uses coaxial double-layer shoulder hole, tyre surface in tyre surface side
Interior circular hole uses coaxial double-layer shoulder hole in the small interior circular hole in side and opposite side.
Ratio in described between the diameter of the diameter of interior circular hole and small interior circular hole is 1.0~1.5.
It is provided with independent outer circle hole between the adjacent outer arc groove is circumferentially-spaced, tyre surface side outer circle hole and opposite side
Middle inner circle hole axle to intercommunication and both diameter it is identical.
After such scheme, the utility model is mainly circumferential at equal intervals to tyre bead portion by the shoulder portion in tire both sides
Several outer arc grooves are distributed, outer arc groove is paperwrapped in the outside of several interior circular holes, and outer arc groove from being in shoulder portion close to tire lip
The diverging of radial direction spiral is set, and the width of outer arc groove is in gradually small setting from tire lip to shoulder portion, is taken turns in combination with outer arc groove edge
The 3 D stereo arcwall face being made up of the arc of circumference, the taper of axial direction and the spiral of radial direction is integrally formed in the taper surface of tire axial direction
It may insure to lift low energy consumption performance while the stability of tire running.
Brief description of the drawings
Fig. 1 is prior art tire sectional schematic diagram；
Fig. 2 is the sectional schematic diagram of the utility model tire embodiment；
Fig. 3 is a kind of side schematic diagram of embodiment of the utility model tyre edge structure；
Fig. 4 is the utility model tire front view；
Fig. 5 is the utility model tire stereogram；
Fig. 6 is a kind of opposite side schematic diagram of embodiment of the utility model tyre edge structure；
Fig. 7 is the side schematic diagram of the utility model tyre edge structure another embodiment；
Fig. 8 is the side schematic diagram of the utility model tyre edge structure another embodiment.
Embodiment
Embodiment of the present utility model is explained below in conjunction with accompanying drawing：
As shown in Figure 2-5, the utility model discloses a kind of light-weight electric scooter non-inflatable tyre structure, the wheel
Tire includes fetus face 1, shoulder portion 2, tyre bead portion 3, tire lip 4, and the shoulder portion 2 in tire both sides is circumferential at equal intervals to tyre bead portion 3
Several outer arc grooves 32 are distributed, outer arc groove 32 is from radially spiral diverging is set to shoulder portion 2 close to tire lip 4, and outer arc groove
32 width D 1 is in gradually small setting from tire lip 4 to shoulder portion 2, and outer arc groove 32 is formed by shoulder portion 2, tyre bead portion along tire axial
3 and tire lip 4 to tyre surface center be in tapered inclined taper surface；At least one axial interior circular hole is provided with outer arc groove 32
31, i.e. outer arc groove 32 is paperwrapped in the outside of interior circular hole 31.This interior circular hole 31 may be configured as several a series of interior circular holes 31, then
Outer arc groove 32 is paperwrapped in a series of axial outsides of interior circular hole 31.
As shown in Figure 2,3, from close tire lip 4 to shoulder portion 2, radially spiral diverging is set outer arc groove 32, this spiral
Direction is consistent with the travel direction of tire, the travel direction of tire as shown in R in Fig. 3, while outer arc groove 32 is along tire axial shape
Into from shoulder portion 2, tyre bead portion 3 to the centroclinal a of upper conical face 32 of tyre surface, formed along tire axial from tire lip 4 to tyre surface
The centroclinal b of inferior pyramidal face 32, this upper conical a of face 32, the b of inferior pyramidal face 32 favour the side of rotating in a circumferential direction of tire running
To the air shear surface of taper can be formed.When tire running, coordinate the diverging of radial direction spiral spread configuration can integrally be formed by
The 3 D stereo arcwall face of the spiral shape composition of the arc of circumference, the taper of axial direction and radial direction.When tire running, this three-dimensional is vertical
Body arcwall face can be formed circumferentially, axial direction, the air shearing contact surface of radial direction, beneficial to by air shearing forces by shoulder portion 2 along week
To, radially gradually extend the energy loss scattered, positive force when reducing air shearing is brought, particularly maximum to tire lip 4
Disconnected width position A brings the loss of air shear energy, and being advantageous to tire reduces energy consumption.The upper conical a of face 32 and the angle of axial direction
α 1 be 5 °~15 °, when the upper conical a of face 32 with axial direction angle α 1 set too small when air shearing forces by shoulder portion 2 circumferentially,
Radially gradually extend scattered DeGrain to tire lip 4, the help reduced to energy consumption can not be played；As the upper conical a of face 32
When setting excessive with the angle α 1 of axial direction, it will cause shoulder portion 2 to contact rigid too low, can not ensure that tire plays driving stability
Property.In addition, the b of inferior pyramidal face 32 and the angle α 2 of axial direction are not less than the upper conical a of face 32 and the angle α 1 of axial direction, so close
Tire lip 4, which forms the larger b of inferior pyramidal face 32 and the angle α 2 of axial direction, can be beneficial to gather what is come from shoulder portion 2, tyre bead portion 3
The shearing force dissipation requirements of large quantity of air, the shearing positive force of smaller bottom is formed, reduce the energy loss of tire.
Radial inner end 32a, the radial outer end 32b of the outer arc groove 32 use the edge of circular arc, so can be smoothly
Transition tire circumferential row sails caused air shearing forces, advantageously reduces the loss of energy.In addition, radial inner end 32a circle
Center of circle C1 where arc and radial outer end 32b circular arc where center of circle C2 line and the circumferential tangent line of tire running between
Circumferential angle β be 10 °~30 °.The three-dimensional of outer arc groove 32 when tire is circumferential to travel will be made when circumferential angle β settings are too small
Three-dimensional arcwall face insufficient space, the air shearing forces of shoulder portion 2 can not be caused to be dispersed to the tire lip of minimal axial width well
Portion 4, cause to reduce the ineffective of tire energy consumption；The circumferential air of shoulder portion 2 is easily caused to be cut when circumferential angle β settings are excessive
The scattered positive force out of shear force declines unobvious, and the loss that can not effectively reduce energy on the contrary is imitated with lifting the low energy consumption of tire
Fruit.
As shown in Figure 2,3, outer arc groove 32 close to tire lip 4 formed larger width D 1 can be beneficial to inner radial rigidity compared with
Strong tire lip 4 is formed about larger air shearing forces contact surface, because the axial width close to tire lip 4 is smaller, outer arc
The deep space of groove 32 is limited, and the width D 1 of outer arc groove 32 increased herein can form the 3 D stereo arcwall face of larger space,
Meet the shearing force dissipation requirements that the large quantity of air to come is gathered from shoulder portion 2, tyre bead portion 3, lift the low energy consumption effect of tire,
And reduction energy can be played forming rigidity weaker shoulder portion 2 when lesser width D2 can ensure that tire running close to fetus face 1
Effect is consumed, while can also maintain enough rigidity of shoulder portion 2, it is ensured that riding stability.In addition, the outer width D12 of outer arc groove 32
Ratio with insied width D11 is 0.5~0.8.The three-dimensional of outer arc groove 32 is stood when the outer width D12 of outer arc groove 32 sets too small
The useful space deficiency of body arcwall face, can not reduce the energy loss of tire to form low energy consumption effect；When outside outer arc groove 21
Width D 12 will cause tire shoulder 2 to maintain enough rigidity when setting excessive, can not ensure that tire running is stable
Property.For the shearing force dispersion effect of outer arc groove 32 is performed to most preferably, the radial height H1 of the outer arc groove 32 of tire breaks with tire
Face height H ratio is 0.4~0.6, will be unable to play it when the radial height H1 of outer arc groove 32 sets too small and tire is cut
Shear force dispersion effect, influence the effect that tire plays low energy consumption；Will shadow when the radial height H1 of outer arc groove 32 sets excessive
The rigidity of shoulder portion 2 is rung, reduces the driving stability performance of tire on the contrary.In the axial direction incision of the outer arc groove 32 of the position of shoulder portion 2
Width H2 is the 5% ~ 15% of tire tread width H3, when the axial direction incision width H2 of outer arc groove 32 is too small, be will be unable to so that tire
The air shearing forces of shoulder 2 are dispersed to the tire lip 4 of minimal axial width well, cause the effect of reduction tire energy consumption not
It is good；When the axial direction incision width H2 of outer arc groove 32 is excessive, the rigidity of shoulder portion 2 will too weaken, and cause under riding stability
The trend of drop.
In addition, the interior circular hole 31,31 ' of tire both sides outer arc groove 32,32 ' is distributed in through inside whole tire axial,
Symmetrical contact rigidity can be so formed beneficial to tyre surface both sides, because the contact surface of tire centerline both sides when vehicle travels is wider,
Reaction of the rigid difference of tyre surface both sides to vehicle is more prominent, is arranged such balanced firm in tyre surface both sides when may be provided in traveling
Property, it is ensured that the stability of tire running.The outer arc groove 32,32 ' in axial both sides tyre bead portion 3 is mutually communicated simultaneously, beneficial to outer arc
The extension of groove 32 and interior circular hole 31 extends, it is ensured that the stability of tire running.
When tire is installed on Portable electric vehicle traveling, if as shown in fig. 7, Portable electric vehicle is antero posterior axis
During tire construction, the hand of spiral of the outer arc groove 32 of tyre edge both sides is consistent with the travel direction R of tire, so in tire row
The outer arc groove 32 in both sides tyre bead portion can play the effect disperseed to shearing force when sailing, and realize the purpose of low energy consumption.Such as Fig. 3,6 institutes
Show, if Portable electric vehicle is the coaxial tire construction in left and right, the spiral of the outer arc groove 32,32 ' in tire both sides tyre bead portion 3
Direction is different each other, and the hand of spiral of the outer arc groove 32 positioned at tire installation outside is consistent with the travel direction R of tire, and position
Can be opposite with the travel direction R of tire in the hand of spiral of the outer arc groove 32 ' of tire installation inner side.In tire running, installation
The air shearing forces in outside are more than the air shearing forces of installation inner side, so in outside using consistent with the travel direction of tire
The hand of spiral of outer arc groove 32 can be beneficial to lower energy consumption, while work as the outer arc groove 32 in tire both sides tyre bead portion 3,32 ' hand of spiral phases
It inverse time, can realize that good air shears dispersion effect when tire running advances or retreats, energy consumption is reduced beneficial to tire.
As shown in Fig. 3,6, certainly, several interior circular holes 31 are distributed with the inside of outer arc groove 32, in the inside of outer arc groove 32
The number of interior circular hole 31 of distribution can be set according to the circumferential lengths of outer arc groove 32, and the diameter D2 of interior circular hole 31 is also by tire lip 4
It is in gradually small setting to shoulder portion 2, the present embodiment is disclosed as the interior circular hole 31 in three kinds of apertures（31’）：Imperial palace circular hole 31a（31a’）、
In interior circular hole 31b（31b’）, small interior circular hole 31c（31c’）.When tire both sides tyre bead portion 3 outer arc groove 32 the hand of spiral each other
When different, in interior circular hole 31b and small interior circular hole 31c use coaxial Double-ladder hole, i.e.,：Interior circular hole 31b in tyre surface side
The middle inner circle of coaxial double-layer shoulder hole, the small interior circular hole 31c in tyre surface side and opposite side is used with the small interior circular hole 31c ' of opposite side
Hole 31b ' uses coaxial double-layer shoulder hole, so forms tire two using the same principal axis transformation in tire between circular hole and small interior circular hole
The side identical hand of spiral, the opposite hand of spiral of outer arc groove 32 is formed during tire running, beneficial to tire advance or
Person can play the effect of low energy consumption when retreating.In interior circular hole 31b diameter D22 and small interior circular hole 31c diameter D23 between
Ratio be 1.0~1.5, in interior circular hole 31b diameter D22 and small interior circular hole 31c diameter D23 set otherness it is larger when, general
The rigid difference of tyre surface both sides is excessive when can cause tire running, causes the reduction of tire running stability.
As shown in figure 8, also it may also set up in addition between two circumferentially-adjacent outer arc grooves 32 are circumferentially-spaced independent
Outer circle hole 33.Tyre surface side outer circle hole 33 is identical with interior circular hole 31b axial directions intercommunication in opposite side and both diameters.In tyre surface
The outer arc groove 32 of side be paperwrapped in imperial palace circular hole 31a, in interior circular hole 31b, small interior circular hole 31c outside, outer circle hole 33 is independent
Hole；And the outer arc groove 32 of tire opposite side is then paperwrapped in imperial palace circular hole 31a, outer circle hole 33, small interior circular hole 31c outside, in
Interior circular hole 31b is independent hole.The outer arc groove 32 in same-handed direction so can be formed in the tyre bead portion 3 of both sides, in tire
The opposite hand of spiral of outer arc groove 32 is formed during traveling, tire can play the work of low energy consumption in advance or retrogressing
With.
Such as Fig. 2,3 tyre edge structural styles are used to manufacture experimently a variety of tire specification and ridden instead of walk for 8X2.00 Portable electric
Wheel tire simultaneously carries out performance test and evaluation to them.It is light by being installed on after each test tire front and back wheel necessary rim 145X35
Type electric walk instead vehicle simultaneously travels mating formation on route, and evaluates the stability of traveling respectively by the sense organ of driver, test
The energy consumption characteristics of tire are assessed by the energy consumption rate of descent of Vehicular battery afterwards.
After the non-inflatable tyre structure using this low energy consumption being can confirm that by test result, it can be ensured that tire running
The low energy consumption performance of tire is lifted while stabilization energy.
It is described above, only the utility model preferred embodiment, not with this limit the utility model implementation scope, according to this
The equivalent changes and modifications that the technical scheme and description of utility model are made, should all belong to the model that the utility model is covered
Enclose.
Claims (11)
1. a kind of light-weight electric scooter non-inflatable tyre structure, the tire includes fetus face, shoulder portion, tyre bead portion, tire lip
Portion；It is characterized in that：Circumferentially be spacedly distributed several outer arc grooves in shoulder portion to the tyre bead portion of tire both sides, outer arc groove by by
To shoulder portion, radially spiral diverging is set nearly tire lip, and the width of outer arc groove is in gradually small setting from tire lip to shoulder portion,
It is in tapered inclined taper surface that outer arc groove is formed from shoulder portion, tyre bead portion and tire lip to tyre surface center along tire axial；Outside
At least one axial interior circular hole is provided with arc groove, i.e. outer arc groove is paperwrapped in the outside of interior circular hole.
2. light-weight electric scooter non-inflatable tyre structure as claimed in claim 1, it is characterised in that：The outer arc groove edge
Tire axial is formed from shoulder portion, tyre bead portion to the centroclinal upper conical face of tyre surface, along tire axial formed from tire lip to
The centroclinal inferior pyramidal face of tyre surface, this upper conical face, inferior pyramidal face favour the direction that rotates in a circumferential direction of tire running.
3. light-weight electric scooter non-inflatable tyre structure as claimed in claim 2, it is characterised in that：The upper conical face
Angle with axial direction is 5 °~15 °, and the angle of inferior pyramidal face and axial direction is not less than the angle in upper conical face and axial direction.
4. light-weight electric scooter non-inflatable tyre structure as claimed in claim 1 or 2, it is characterised in that：The outer arc
The radial inner end of groove, radial outer end use the edge of circular arc, the center of circle and radial outer end circular arc institute where radial inner end circular arc
The center of circle line and the circumferential tangent line of tire running between circumferential angle be 10 °~30 °.
5. light-weight electric scooter non-inflatable tyre structure as claimed in claim 1 or 2, it is characterised in that：The outer arc
The ratio of the outer width and insied width of groove is 0.5~0.8.
6. light-weight electric scooter non-inflatable tyre structure as claimed in claim 1 or 2, it is characterised in that：The outer arc
The radial height of groove and the ratio of tire section height are 0.4~0.6.
7. light-weight electric scooter non-inflatable tyre structure as claimed in claim 1 or 2, it is characterised in that：The tire shoulder
The axial direction incision width of the outer arc groove of portion position is the 5% ~ 15% of tire tread width.
8. light-weight electric scooter non-inflatable tyre structure as claimed in claim 1 or 2, it is characterised in that：The distribution
Tire both sides outer arc groove interior circular hole through inside whole tire axial, the inside of the outer arc groove is distributed with several
Circular hole, and the diameter of each interior circular hole is in gradually small setting from tire lip to shoulder portion.
9. light-weight electric scooter non-inflatable tyre structure as claimed in claim 1, it is characterised in that：The outer arc groove
The interior circular hole of inside distribution is arranged to the interior circular hole in three kinds of apertures：Imperial palace circular hole, in interior circular hole, small interior circular hole, work as tyre edge
When the hand of spiral of the outer arc groove of both sides is different each other, in interior circular hole and small interior circular hole use coaxial Double-ladder hole, i.e.,：Tire
The small interior circular hole of interior circular hole and opposite side uses coaxial double-layer shoulder hole, the small interior circular hole in tyre surface side and opposite side in the side of face
In interior circular hole use coaxial double-layer shoulder hole.
10. light-weight electric scooter non-inflatable tyre structure as claimed in claim 9, it is characterised in that：The middle inner circle
Ratio between the diameter of the diameter in hole and small interior circular hole is 1.0~1.5.
11. light-weight electric scooter non-inflatable tyre structure as claimed in claim 1 or 2, it is characterised in that：It is described adjacent
It is provided with independent outer circle hole between outer arc groove is circumferentially-spaced, the middle inner circle hole axle of tyre surface side outer circle hole and opposite side is to intercommunication
And both diameters are identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720878099.4U CN207077952U (en) | 2017-07-19 | 2017-07-19 | Light-weight electric scooter non-inflatable tyre structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720878099.4U CN207077952U (en) | 2017-07-19 | 2017-07-19 | Light-weight electric scooter non-inflatable tyre structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207077952U true CN207077952U (en) | 2018-03-09 |
Family
ID=61423866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720878099.4U Withdrawn - After Issue CN207077952U (en) | 2017-07-19 | 2017-07-19 | Light-weight electric scooter non-inflatable tyre structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207077952U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107284148A (en) * | 2017-07-19 | 2017-10-24 | 厦门正新橡胶工业有限公司 | Light-weight electric scooter non-inflatable tyre structure |
-
2017
- 2017-07-19 CN CN201720878099.4U patent/CN207077952U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107284148A (en) * | 2017-07-19 | 2017-10-24 | 厦门正新橡胶工业有限公司 | Light-weight electric scooter non-inflatable tyre structure |
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