CN215751730U - Lightweight high-damping inflation-free wheel automobile wheel - Google Patents
Lightweight high-damping inflation-free wheel automobile wheel Download PDFInfo
- Publication number
- CN215751730U CN215751730U CN202120993533.XU CN202120993533U CN215751730U CN 215751730 U CN215751730 U CN 215751730U CN 202120993533 U CN202120993533 U CN 202120993533U CN 215751730 U CN215751730 U CN 215751730U
- Authority
- CN
- China
- Prior art keywords
- damping
- wheel
- tire
- connecting rod
- rim
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000013016 damping Methods 0.000 title claims abstract description 123
- 230000002093 peripheral effect Effects 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 16
- 230000017525 heat dissipation Effects 0.000 claims description 13
- 239000004698 Polyethylene Substances 0.000 claims description 5
- -1 polyethylene Polymers 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 230000035939 shock Effects 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 description 8
- 229920001971 elastomer Polymers 0.000 description 7
- 238000004134 energy conservation Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000011359 shock absorbing material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Landscapes
- Tires In General (AREA)
Abstract
The utility model discloses a light-weight high-damping inflation-free wheel automobile wheel, which comprises a wheel main body, wherein the outermost layer of the wheel main body is provided with an outer tire, the inner peripheral side of the outer tire is provided with an inner tire, the inner peripheral side of the inner tire is provided with a rim, the surface of the rim is provided with radiating holes, the center of the wheel main body is provided with a hub, a spoke is arranged between the hub and the rim, a bolt fixing part is arranged between the spoke and the rim, a damping part is fixedly arranged on the spoke and comprises a damping shell, a connecting rod is arranged in the damping shell, one end of the connecting rod is provided with a damping column, the periphery of the damping column is provided with a damping spring, the periphery of the connecting rod is provided with a damping ring, a transverse buffer spring is arranged between the damping ring and the inner wall of the damping shell, and a longitudinal buffer spring is arranged between the connecting rod and the inner wall of the damping shell; this high absorbing exempts from to aerify round auto wheel of lightweight can reach the lightweight through setting up, the purpose of damping performance preferred.
Description
Technical Field
The utility model relates to the technical field of automobile wheels, in particular to a lightweight high-damping inflation-free wheel automobile wheel.
Background
The non-pneumatic tire is a tire that achieves shock absorption and cushioning performance without using air pressure. The pneumatic tire is air with pressure sealed by rubber, when the air is compressed, the collision of air molecules to a container wall is more violent, so that the air pressure is increased, macroscopic elasticity is formed, and the characteristics of excellent buffer performance and low rolling resistance of the pneumatic tire can not be surpassed by other tires so far.
The non-inflatable tire, namely the tire without inflation, does not rely on air, and only utilizes the material and the structure of the tire to realize the supporting and buffering performance. Solid rubber tire. Such tires have been in production for over a hundred years. It features heavy tyre body, poor elasticity, high rolling resistance and high load bearing capacity. The device is suitable for large vehicles with low moving speed and higher load requirements. ② the tire with open structure. The shock-absorbing material is made of polyurethane materials and is manufactured by utilizing open-structure and tubular staggered three-dimensional shock absorption, and has the advantages of attractive appearance, light weight and the defects of low-speed running and no high temperature resistance.
The prior art has the following defects or problems:
the current automobile tire design is in the contradiction that the tread landing width can not be changed according to the driving requirement so as to simultaneously improve the fuel economy and the braking performance: the design of the automobile tire is too narrow, so that the fuel economy can be improved, and the purposes of energy conservation and emission reduction are achieved, but the friction force of the tire to the ground is reduced due to the too narrow tire, and the braking performance of the automobile is seriously reduced; the design of an automobile tire is too wide, the friction force on the ground can be increased, the braking performance of the automobile can be improved, the oil consumption can be increased, the automobile tire runs counter to the energy conservation and emission reduction advocated by the state, the existing inflation-free automobile wheel comprises an inflation inner tire and an outer tire, most of the inflation-free automobile wheel is made of rubber materials, and the rubber tire has high bearing performance and wear resistance, but has the main problems of insufficient light weight and poor vibration damping performance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a lightweight high-damping inflation-free wheel automobile wheel aiming at the defects of the prior art so as to achieve the purposes of light weight and better damping performance.
In order to achieve the purpose, the utility model provides the following technical scheme: a lightweight high-damping inflation-free wheel automobile wheel comprises a wheel body, wherein an outer cover is arranged on the outmost layer of the wheel body, an inner tube is arranged on the inner peripheral side of the outer cover, a rim is arranged on the inner peripheral side of the inner tube, radiating holes are formed in the surface of the rim, a hub is arranged at the center of the wheel body, a spoke is arranged between the hub and the rim, a bolt fixing piece is arranged between the spoke and the rim, a damping piece is fixedly mounted on the spoke and comprises a damping shell, a connecting rod is arranged in the damping shell, a damping column is arranged at one end of the connecting rod, a damping spring is arranged on the periphery of the damping column, a damping ring is arranged on the periphery of the connecting rod, a transverse damping spring is arranged between the damping ring and the inner wall of the damping shell, a longitudinal damping spring is arranged between the connecting rod and the inner wall of the damping shell, and strip-shaped patterns are arranged on the surface of the outer cover, the tyre is characterized in that hole-shaped patterns are arranged on the surface of the inner tyre, and a slope is arranged between the outer tyre and the inner tyre.
As the preferred technical scheme of the utility model, the outer tire is processed by adopting PVC material.
As a preferable technical scheme of the utility model, the inner tube is made of polyethylene material.
As a preferred technical scheme of the utility model, the heat dissipation holes are distributed on the surface of the rim at equal angles, and the number of the heat dissipation holes is several.
As a preferable technical scheme of the utility model, the vibration reduction pieces are distributed on the periphery of the hub in an equiangular circumference mode, and the number of the vibration reduction pieces is a plurality.
As a preferred technical scheme, the damping spring is spirally arranged on the periphery of the damping column in a surrounding mode, the damping rings are equidistantly distributed on the periphery of the connecting rod, the number of the damping rings is a plurality, one end of each transverse damping spring is fixedly connected with the corresponding damping ring, the other end of each transverse damping spring is fixedly connected with the inner wall of the corresponding damping shell, one end of each longitudinal damping spring is fixedly connected with the corresponding connecting rod, and the other end of each longitudinal damping spring is fixedly connected with the inner wall of the corresponding damping shell.
As a preferred technical scheme of the utility model, the strip-shaped patterns are uniformly distributed on the outer surface of the outer tire at equal intervals, the hole-shaped patterns are uniformly distributed on the outer surface of the inner tire, and the hole-shaped patterns are slopes for transition between the outer tire and the inner tire.
Compared with the prior art, the utility model provides a lightweight high-damping automobile wheel without an air wheel, which has the following beneficial effects:
1. according to the lightweight high-damping inflation-free wheel automobile wheel, the outer tire is made of PVC materials, so that the elasticity and flexibility of the outer tire can be improved, the inner tire is made of polyethylene materials, the inner tire is a solid inner tire, and is integrally formed with the hub through injection molding, so that the use of rubber products is reduced, time and energy are saved, the weight is light, the wheel is convenient to recycle after being discarded, and the environment is protected;
2. the lightweight high-damping inflation-free wheel automobile wheel is provided with a spoke, the spoke is fixedly connected with a rim through a bolt fixing piece, heat dissipation holes are formed in the rim, on one hand, heat dissipation is achieved, on the other hand, the use of metal steel is reduced, the light weight and energy conservation are achieved, a vibration damping piece is fixedly mounted on the spoke, a vibration damping column, a vibration damping spring and a vibration damping ring are arranged in the vibration damping piece, when vibration is generated in the driving process of the wheel, the vibration damping column, the vibration damping spring and the vibration damping ring can buffer and absorb the vibration through elastic expansion and contraction, so that the wheel has high vibration damping performance, meanwhile, a transverse buffer spring and a longitudinal buffer spring are further arranged between the inner wall of a vibration damping shell and a connecting rod, the vibration from multiple directions can be buffered through the elastic expansion and contraction of the transverse buffer spring and the longitudinal buffer spring, and the vibration damping performance of the wheel is further improved;
3. this high absorbing exempts from to aerify wheel auto wheel of lightweight, through set up the bar decorative pattern at outer child surface, inner tube of a tyre surface is provided with poroid decorative pattern, and is provided with the slope in the transitional coupling department of outer tire and inner tube of a tyre, increases the frictional force of tire and ground through setting up the bar decorative pattern, has improved the skid resistance of tire, has reduced the utilization of material through setting up poroid decorative pattern, slope, makes the tire lightweight more.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the damping member of the present invention;
FIG. 3 is a schematic side view of the present invention.
In the figure: 1. a wheel main body; 2. an outer tire; 3. an inner tube; 4. a rim; 5. heat dissipation holes; 6. a hub; 7. a spoke; 8. a bolt fixing member; 9. a vibration damping member; 10. a vibration-damping housing; 11. a connecting rod; 12. a shock-absorbing post; 13. a damping spring; 14. a vibration damping ring; 15. a lateral buffer spring; 16. a longitudinal buffer spring; 17. a stripe pattern; 18. a hole-shaped pattern; 19. a ramp.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, in this embodiment: a lightweight high-damping inflation-free wheel automobile wheel comprises a wheel body 1, an outer cover 2 is arranged on the outermost layer of the wheel body 1, an inner tube 3 is arranged on the inner periphery side of the outer cover 2, a rim 4 is arranged on the inner periphery side of the inner tube 3, heat dissipation holes 5 are formed in the surface of the rim 4, a hub 6 is arranged at the center of the wheel body 1, a spoke 7 is arranged between the hub 6 and the rim 4, a bolt fixing part 8 is arranged between the spoke 7 and the rim 4, a vibration damping part 9 is fixedly installed on the spoke 7, the vibration damping part 9 comprises a vibration damping shell 10, a connecting rod 11 is arranged in the vibration damping shell 10, a shock absorption column 12 is arranged at one end of the connecting rod 11, a vibration absorption spring 13 is arranged on the outer periphery of the connecting rod 12, a vibration absorption ring 14 is arranged on the outer periphery of the connecting rod 11, a transverse buffer spring 15 is arranged between the vibration absorption ring 14 and the inner wall of the vibration absorption shell 10, and a longitudinal buffer spring 16 is arranged between the connecting rod 11 and the inner wall of the vibration absorption shell 10, the surface of the outer tire 2 is provided with the strip patterns 17, the surface of the inner tire 3 is provided with the hole patterns 18, the friction force between the tire and the ground is increased by arranging the strip patterns 17, the anti-skid performance of the tire is improved, the slope 19 is arranged between the outer tire 2 and the inner tire 3, the utilization of materials is reduced by arranging the hole patterns 18 and the slope 19, and the tire is lighter.
In the embodiment, the outer tire 2 is made of PVC material, so that the elasticity and flexibility of the outer tire can be improved; the inner tube 3 is made of polyethylene material, thus reducing the use of rubber products, saving time and energy, being light in weight, being convenient for recovery and regeneration after being discarded, and being beneficial to environmental protection; the heat dissipation holes 5 are distributed on the surface of the rim 4 in an equiangular and circumferential manner, and the number of the heat dissipation holes 5 is a plurality, so that heat dissipation is achieved, the use of metal steel is reduced, and the wheel rim is light in weight and energy-saving; the vibration damping pieces 9 are distributed on the periphery of the hub 6 in an equiangular circumference mode, and the number of the vibration damping pieces 9 is a plurality, so that the vibration damping performance of the tire is improved; the damping springs 13 are spirally arranged on the periphery of the damping column 12 in a surrounding mode, the damping rings 14 are distributed on the periphery of the connecting rod 11 at equal intervals, the number of the damping rings 14 is multiple, one end of each transverse damping spring 15 is fixedly connected with the corresponding damping ring 14, the other end of each transverse damping spring 15 is fixedly connected with the inner wall of the damping shell 10, one end of each longitudinal damping spring 16 is fixedly connected with the corresponding connecting rod 11, the other end of each longitudinal damping spring 16 is fixedly connected with the inner wall of the damping shell 10, each transverse damping spring 15 and each longitudinal damping spring 16 are further arranged between the inner wall of the damping shell 10 and the corresponding connecting rod 11, vibration from multiple directions can be buffered through elastic expansion of the transverse damping springs 15 and the longitudinal damping springs 16, and the damping performance of the wheel is further improved; the bar-shaped patterns 17 are evenly distributed on the outer surface of the outer tyre 2 at equal intervals, the hole-shaped patterns 18 are evenly distributed on the outer surface of the inner tyre 3, the hole-shaped patterns 18 are slopes for transition between the outer tyre 2 and the inner tyre 3,
the working principle and the using process of the utility model are as follows: when the lightweight high-damping inflation-free wheel automobile wheel is used, the outer tire 2 is made of PVC materials, elasticity and flexibility of the outer tire can be improved, the inner tire 3 is made of polyethylene materials, the inner tire is a solid inner tire, and is integrally formed with a hub through injection molding, so that use of rubber products is reduced, time and energy are saved, light weight is realized, recycling is facilitated after abandonment, and environmental protection is facilitated; through arranging the spoke 7, the spoke 7 is fixedly connected with the rim 4 through the bolt fixing piece 8, the rim 4 is provided with the heat dissipation hole 5, on one hand, the heat dissipation effect is achieved, on the other hand, the use of metal steel is reduced, the light weight and the energy conservation are achieved, the vibration damping piece 9 is fixedly arranged on the spoke 7, the vibration damping column 12, the vibration damping spring 13 and the vibration damping ring 14 are arranged inside the vibration damping piece 9, when vibration is generated in the driving process of the wheel, the vibration can be buffered and absorbed through elastic expansion of the vibration damping column 12, the vibration damping spring 13 and the vibration damping ring 14, so that the wheel has high vibration damping performance, meanwhile, the transverse buffer spring 15 and the longitudinal buffer spring 16 are further arranged between the inner wall of the vibration damping shell 10 and the connecting rod 11, vibration from multiple directions can be buffered through the elastic expansion of the transverse buffer spring 15 and the longitudinal buffer spring 16, and the vibration damping performance of the wheel is further improved; through set up bar pattern 17 at cover tyre 2 surface, the surface of inner tube 3 is provided with poroid pattern 18, and is provided with slope 19 in the transitional coupling department of outer tyre 2 and inner tube 3, increases the frictional force of tire and ground through setting up bar pattern 17, has improved the skid resistance of tire, has reduced the utilization of material through setting up poroid pattern 18, slope 19, makes the tire lightweight more.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a high absorbing exempts from to aerify a round auto wheel of lightweight which characterized in that: comprises a wheel body (1), wherein the outermost cover tire (2) is arranged on the wheel body (1), the inner peripheral side of the cover tire (2) is provided with an inner tire (3), the inner peripheral side of the inner tire (3) is provided with a rim (4), radiating holes (5) are formed in the surface of the rim (4), a wheel hub (6) is arranged at the center of the wheel body (1), a wheel spoke (7) is arranged between the wheel hub (6) and the rim (4), a bolt fixing part (8) is arranged between the wheel spoke (7) and the rim (4), a damping part (9) is fixedly arranged on the wheel spoke (7), the damping part (9) comprises a damping shell (10), a connecting rod (11) is arranged inside the damping shell (10), one end of the connecting rod (11) is provided with a damping column (12), and a damping spring (13) is arranged on the periphery of the damping column (12), connecting rod (11) periphery is provided with damping ring (14), be provided with horizontal buffer spring (15) between damping ring (14) and damping shell (10) inner wall, be provided with vertical buffer spring (16) between connecting rod (11) and damping shell (10) inner wall, cover tire (2) surface is provided with stripe pattern (17), inner tube (3) surface is provided with poroid pattern (18), be provided with slope (19) between cover tire (2) and inner tube (3).
2. The lightweight high damping non-pneumatic wheel automobile wheel as claimed in claim 1, wherein: the outer tire (2) is made of PVC materials.
3. The lightweight high damping non-pneumatic wheel automobile wheel as claimed in claim 1, wherein: the inner tube (3) is made of polyethylene material.
4. The lightweight high damping non-pneumatic wheel automobile wheel as claimed in claim 1, wherein: the heat dissipation holes (5) are distributed on the surface of the rim (4) in an equiangular and circumferential manner, and the number of the heat dissipation holes (5) is a plurality.
5. The lightweight high damping non-pneumatic wheel automobile wheel as claimed in claim 1, wherein: the vibration damping pieces (9) are distributed on the periphery of the hub (6) in an equiangular circumference mode, and the number of the vibration damping pieces (9) is a plurality.
6. The lightweight high damping non-pneumatic wheel automobile wheel as claimed in claim 1, wherein: damping spring (13) spiral is encircleed and is set up in shock attenuation post (12) periphery, damping ring (14) equidistance distributes in connecting rod (11) periphery, the quantity of damping ring (14) is a plurality of, horizontal buffer spring (15) one end and damping ring (14) fixed connection, horizontal buffer spring (15) other end and damping shell (10) inner wall fixed connection, vertical buffer spring (16) one end and connecting rod (11) fixed connection, vertical buffer spring (16) other end and damping shell (10) inner wall fixed connection.
7. The lightweight high damping non-pneumatic wheel automobile wheel as claimed in claim 1, wherein: the bar-shaped patterns (17) are uniformly distributed on the outer surface of the outer tire (2) at equal intervals, the hole-shaped patterns (18) are uniformly distributed on the outer surface of the inner tire (3), and the hole-shaped patterns (18) are slopes for transition between the outer tire (2) and the inner tire (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120993533.XU CN215751730U (en) | 2021-05-11 | 2021-05-11 | Lightweight high-damping inflation-free wheel automobile wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120993533.XU CN215751730U (en) | 2021-05-11 | 2021-05-11 | Lightweight high-damping inflation-free wheel automobile wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215751730U true CN215751730U (en) | 2022-02-08 |
Family
ID=80096899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120993533.XU Active CN215751730U (en) | 2021-05-11 | 2021-05-11 | Lightweight high-damping inflation-free wheel automobile wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215751730U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115891511A (en) * | 2023-01-17 | 2023-04-04 | 内蒙古数矿科技有限公司 | Mine is pneumatic tire exempted from of built-in shock-absorbing structure for wide body car |
| CN115891511B (en) * | 2023-01-17 | 2024-04-26 | 内蒙古数矿科技有限公司 | Inflation-free tire with built-in damping structure for mine wide vehicle |
-
2021
- 2021-05-11 CN CN202120993533.XU patent/CN215751730U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115891511A (en) * | 2023-01-17 | 2023-04-04 | 内蒙古数矿科技有限公司 | Mine is pneumatic tire exempted from of built-in shock-absorbing structure for wide body car |
| CN115891511B (en) * | 2023-01-17 | 2024-04-26 | 内蒙古数矿科技有限公司 | Inflation-free tire with built-in damping structure for mine wide vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101909903B (en) | Non-pneumatic wheel and wheel, suspension and tire used therein | |
| CN209290085U (en) | A kind of tyre surface on-inflatable spring tyre | |
| CN207617439U (en) | Embedding glue formula modular metal elastic tyre | |
| CN105270082A (en) | High-strength buffering tire | |
| CN110539584A (en) | Damping tire for electric balance vehicle | |
| CN203019987U (en) | Safety motor vehicle tire | |
| CN215751730U (en) | Lightweight high-damping inflation-free wheel automobile wheel | |
| CN204586332U (en) | A kind of non-inflatable tyre | |
| CN209776030U (en) | anti-prick non-pneumatic tyre | |
| CN107364284B (en) | Double rigidity modular metal elastic tyres | |
| CN103707712A (en) | Bi-directional elastic radiant plate type safe vehicle wheel of honeycomb structure | |
| CN202727891U (en) | Anti-explosion cylinder tyre | |
| CN102700356A (en) | Explosion-proof cylinder tire | |
| CN203528211U (en) | Elastic bracket and explosion-proof hub with same | |
| CN215621203U (en) | Energy-saving and environment-friendly inflation-free automobile wheel | |
| KR20150102887A (en) | structure for buffer wheel of two wheel vehicle | |
| CN201086590Y (en) | Tyre | |
| CN211869080U (en) | Non-inflatable wheel based on negative Poisson ratio structure | |
| CN209581046U (en) | A kind of trouble-proof tire | |
| CN205168066U (en) | Automobile tyre | |
| CN112060833A (en) | A shock attenuation wheel subassembly for car | |
| CN206551794U (en) | Non-inflatable tire | |
| CN213383745U (en) | Inflation-free tire structure | |
| CN206797022U (en) | Tire for vehicles and apply its bicycle | |
| CN111301062A (en) | Non-pneumatic tire based on negative Poisson ratio structure and working method of tire |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231219 Address after: 266000 south side of fengjialing village, Jiaonan sub district office, Huangdao District, Qingdao City, Shandong Province Patentee after: Qingdao rongdehong Vehicle Co.,Ltd. Address before: 300000 room 107, No. 28, Xiyuzhuang back Avenue, Xiyuzhuang street, Hongqiao District, Tianjin Patentee before: Tianjin xinfudeng Technology Co.,Ltd. |