CN210793358U - Aluminum alloy automobile instrument board beam assembly with double safety air bag installation fixing mechanism - Google Patents
Aluminum alloy automobile instrument board beam assembly with double safety air bag installation fixing mechanism Download PDFInfo
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- CN210793358U CN210793358U CN201921367678.8U CN201921367678U CN210793358U CN 210793358 U CN210793358 U CN 210793358U CN 201921367678 U CN201921367678 U CN 201921367678U CN 210793358 U CN210793358 U CN 210793358U
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Abstract
The utility model provides an aluminum alloy automobile instrument board beam assembly provided with a double-safety airbag mounting and fixing mechanism, which comprises an instrument board beam assembly main body, wherein the instrument board beam assembly main body comprises a beam main pipe, a left floor fixing support and a right floor fixing support, the two ends of the beam main pipe are respectively welded and fixed with a left automobile body fixing support and a right automobile body fixing support, and the beam main pipe comprises a driving side end and a co-driving side end which are arranged from left to right; a first air bag mounting bracket is mounted at the side end of the copilot; two first supporting beams and two second supporting beams are arranged at the main driving side end, and knee airbag fixing supports are arranged on the first supporting beams and the second supporting beams; the first supporting beam and the left floor fixing support are connected through the reinforcing support, and the second supporting beam and the left vehicle body fixing support are connected through the connecting beam. This patent is through optimizing instrument board beam assembly's structure, and then can realize knee gasbag and copilot district air bag's simultaneous installation, provides the installation fixed space of two gasbags.
Description
Technical Field
The utility model relates to the technical field of machinery, concretely relates to header board beam assembly.
Background
With the popularization of new energy automobile technology, the demand of automobile lightweight is pushed to the schedule, and the instrument board beam assembly mainly manufactured by the current automobile industry is mainly formed by stamping and welding steel plates. With the higher and higher requirements of national regulations and consumers on vehicle oil consumption, the weight reduction technology of automobiles is highly regarded.
The instrument panel beam main pipe is the most main structure and bearing part of the instrument panel beam assembly, plays a role in supporting human-computer interface control equipment, and forms a vehicle safety system together with other safety control parts of a vehicle to protect the safety of a driver and passengers in the vehicle. Most of materials of the instrument panel beam main pipe in the current market are steel, the limitation of manufacturing process and cost is met, the cross section of the steel main pipe is mostly in a regular circle shape, the thickness of the pipe wall is uniform, and the adverse effect is brought to the light weight of the instrument panel beam and the arrangement of a cockpit.
In addition, the left end of the instrument panel beam assembly is used as a driving side end, the right end of the instrument panel beam assembly is used as a copilot side end, and an air bag fixing support is often installed at the copilot side end of the existing instrument panel beam. For example, a composite instrument panel beam disclosed in patent No. 201721807484.6 discloses a composite instrument panel beam having an air bag mounted to a passenger side end thereof. Along with the improvement of people to the safety signal, only be equipped with single gasbag on the instrument board beam assembly, be unfavorable for realizing simultaneously that driver and copilot position passenger protect simultaneously.
SUMMERY OF THE UTILITY MODEL
Problem to prior art exists, the utility model provides an aluminum alloy header board beam assembly with two air bag installation fixed establishment to solve current instrument board beam assembly function limitation, unable simultaneous protection driver and copilot position passenger's technical problem.
The technical scheme of the utility model is that: the aluminum alloy automobile instrument board beam assembly provided with the double-airbag mounting and fixing mechanism comprises an instrument board beam assembly main body made of aluminum alloy, wherein the instrument board beam assembly main body comprises a beam main pipe, a left floor fixing support and a right floor fixing support which are connected with the beam main pipe in a welding mode, and a left automobile body fixing support and a right automobile body fixing support are respectively fixed at the left end and the right end of the beam main pipe in a welding mode;
a first air bag mounting bracket for mounting an air bag in a copilot area is mounted at the copilot side end;
the main driving side end is provided with a first supporting beam and a second supporting beam which are arranged side by side, and the first supporting beam and the second supporting beam are both provided with a knee airbag fixing bracket for fixing a knee airbag;
the first supporting beam and the left floor fixing support are connected through a reinforcing support, and the second supporting beam and the left vehicle body fixing support are connected through a connecting beam.
This patent is through optimizing instrument board beam assembly's structure, and then can realize knee gasbag and copilot district air bag's simultaneous installation, provides the installation fixed space of two gasbags. The safety of the driver and the passenger in the copilot is ensured. The bearing strength of the aluminum alloy automobile instrument panel beam assembly to the knee airbag is realized through the connecting beam and the reinforcing bracket. The reinforcing bracket is mainly used for reinforcing the lateral strength of the main driving area floor mounting bracket during the knee airbag explosion and side collision.
Preferably, the outer contour of the cross section of the driving side end is a right trapezoid with the bevel edge positioned at the rear side, a vertically arranged reinforcing rib is arranged inside the driving side end, and the driving side end is divided into two cavities which are arranged in front and back through the reinforcing rib;
the cross section of the front passenger side end is connected with the right floor fixing bracket side, and the cross section of the right end part is matched with the cross section of the passenger side;
the outer wall of the area between the left floor fixing support and the right floor fixing support is connected to the beam main pipe, and a notch is formed in the outer wall of the area between the left floor fixing support and the right floor fixing support.
Is convenient for saving the cost.
Further preferably, the copilot side end comprises a hollow square pipe, and the end of the hollow square pipe is butted with a cavity in front of the driving side end;
the inner contour of the hollow square tube is matched with the inner contour of the cavity in front of the driving side end.
The dead weight is controlled when the integral strength is convenient to ensure.
The main beam pipe can be formed by extrusion, and then the part of the main beam pipe at the side of the copilot is cut and removed. Thereby realizing the difference between the outer contours of the two.
Further preferably, an upper steering column mounting support and a lower steering column mounting support are respectively mounted on the upper side and the lower side of the driving side end;
the upper steering column mounting support is provided with an L-shaped groove for contacting the adjacent side wall of the beam main pipe;
the upper steering column mounting support is provided with mounting holes arranged on the left and right, and bolts arranged on the left and right are mounted on the upper steering column support;
and bolts arranged on the left and right are mounted on the lower steering column mounting support.
The position precision of positioning and installation is convenient to realize. By optimizing the structure of the upper steering column support, the fixing effect of the upper steering column support is convenient to realize.
Preferably, the left vehicle body fixing bracket is provided with a left shifting bracket, and the right vehicle body fixing bracket is provided with a right shifting bracket;
and the left vehicle body fixing support and the right vehicle body fixing support are provided with mounting holes.
And positioning pins are arranged on the left vehicle body fixing support and the right vehicle body fixing support.
So as to prevent the translational motion and the rotation of the aluminum alloy welded instrument board beam assembly and facilitate the split charging.
The left side is carried the setting that carries support and right side and is carried the support, is convenient for holistic removal.
Further preferably, a knee brace for protecting knees is installed at the joint of the connecting beam and the second supporting cross beam.
The knee pad support can protect the knees of the injured person by the foot pedal backwards intruding when the vehicle is collided.
Preferably, the left end and the right end of the beam main pipe are respectively spliced with the left vehicle body fixing support and the right vehicle body fixing support and are connected with the left vehicle body fixing support and the right vehicle body fixing support in a welding mode.
The fixing effect is convenient to improve.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view at another view angle of the present invention;
FIG. 3 is a cross-sectional view of the main pipe of the cross beam of the present invention;
fig. 4 is a schematic structural view of the upper steering column mounting support of the present invention.
In the figure: 1 is a beam main pipe, 2 is a first display screen fixing bracket, 3 is an upper steering column mounting support, 4 is a second display screen fixing bracket, 5 is a third display screen fixing bracket, 6 is a first instrument panel fixing bracket, 7 is a right vehicle body fixing bracket, 8 is a second instrument panel fixing bracket, 9 is a right side transfer bracket, 10 is a right floor fixing beam, 11 is a third instrument panel fixing bracket, 12 is a fourth instrument panel fixing bracket, 13 is a fifth instrument panel fixing bracket, 14 is a left floor fixing bracket, 15 is a first supporting beam, 16 is a second supporting beam, 17 is a knee pad bracket, 18 is a connecting beam, 19 is a relay box fixing bracket, 20 is a left vehicle body fixing bracket, 21 is a left side transfer bracket, 22 is a second air conditioner positioning bracket, 23 is a first air bag mounting bracket, 24, a right front wall fixing bracket, 25 is an adjusting nut, 26 is a second air conditioner fixing bracket, reference numeral 27 denotes a lower steering column mount bracket, 28 denotes a front left wall fixing bracket, 29 denotes a BCM fixing bracket, 30 denotes a positioning pin, 31 denotes a first knee airbag fixing bracket, 32 denotes a second knee airbag fixing bracket, 33 denotes a reinforcing bracket, 34 denotes a first air conditioner positioning bracket, 35 denotes a link bracket, and 36 denotes a right floor fixing bracket.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Specific example 1: referring to fig. 1 to 4, the aluminum alloy automobile instrument panel beam assembly provided with the double airbag mounting and fixing mechanism comprises an instrument panel beam assembly main body made of aluminum alloy, wherein the instrument panel beam assembly main body comprises a beam main pipe 1, a left floor fixing support 14 and a right floor fixing support 36, a left vehicle body fixing support 20 and a right vehicle body fixing support 7 are respectively welded and fixed at the left end and the right end of the beam main pipe 1, the beam main pipe 1 comprises a driving side end and a secondary driving side end which are arranged at the left side of the secondary driving side end, and the cross sectional areas of the secondary driving side end except the part connected with the right floor fixing support 36 side and the right end part are smaller than the cross sectional area of the driving side end; a first air bag mounting bracket 23 for mounting an air bag in a copilot area is mounted on the copilot side end; the main driving side end is provided with a first supporting beam and a second supporting beam which are arranged side by side, and knee air bag fixing brackets for fixing a knee air bag are arranged on the first supporting beam and the second supporting beam; the first support beam and the left floor fixing bracket are connected through a reinforcing bracket 33, and the second support beam and the left body fixing bracket 20 are connected through a connecting beam 18. This patent is through optimizing instrument board beam assembly's structure, and then can realize knee gasbag and copilot district air bag's simultaneous installation, provides the installation fixed space of two gasbags. The safety of the driver and the passenger in the copilot is ensured. The bearing strength of the aluminum alloy automobile instrument panel beam assembly to the knee airbag is realized through the connecting beam 18 and the reinforcing bracket 33. The reinforcing bracket 33 is mainly used for reinforcing the lateral strength of the main driving area floor mounting bracket during the knee airbag explosion and side impact.
The right floor fixing bracket can be a right floor fixing bracket formed by connecting the right floor fixing cross beam 10 and the mounting bracket.
The outer contour of the section of the driving side end is a right-angle trapezoid of which the bevel edge is positioned at the rear side, a vertically arranged reinforcing rib is arranged in the driving side end, and the driving side end is divided into two cavities which are arranged in front and back through the reinforcing rib; the copilot side end is connected with the right floor fixing bracket 36 side, and the section of the right end part is matched with the section of the driving side; the outer wall of the area between the left floor fixing bracket 14 and the right floor fixing bracket 36 connected with the beam main pipe 1 is provided with a gap. Is convenient for saving the cost.
The assistant driving side end comprises a hollow square tube, and the end part of the hollow square tube is butted with a cavity in front of the driving side end; the inner contour of the hollow square tube matches the inner contour of the cavity in front of the driver's side end. The dead weight is controlled when the integral strength is convenient to ensure. The cross beam main pipe 1 can be formed by extrusion, and then a part of the copilot side end is cut and removed. Thereby realizing the difference between the outer contours of the two.
An upper steering column mounting support 3 and a lower steering column mounting support 27 are respectively mounted on the upper side and the lower side of the driving side end; the upper steering column mounting support 3 is provided with an L-shaped groove for contacting the adjacent side wall of the beam main pipe 1; the upper steering column mounting support 3 is provided with mounting holes arranged left and right, and bolts arranged left and right are mounted on the upper steering column support; bolts are attached to the lower steering column mounting bracket 27 in the left-right direction. The position precision of positioning and installation is convenient to realize. By optimizing the structure of the upper steering column support, the fixing effect of the upper steering column support is convenient to realize.
The middle parts of the left floor fixing support 14 and the right floor fixing support 36 are connected through a connecting support 35, and the connecting support 35 is an air conditioner fixing support for connecting an air conditioner; a first air conditioner positioning bracket 34 for positioning an air conditioner and a second air conditioner fixing bracket 26 for connecting the air conditioner are arranged on the beam main pipe 1 in the area between the left floor fixing bracket 14 and the right floor fixing bracket 36; a second air conditioner positioning bracket 22 is arranged on the beam main pipe 1 and positioned between the right floor fixing bracket 36 and the right vehicle body bracket; the first air conditioner positioning bracket 34 and the European style second air conditioner positioning bracket 22 are both provided with positioning holes and mounting holes; the first air conditioner fixing bracket and the second air conditioner fixing bracket 26 are provided with mounting holes. The installation effect of the air conditioner is convenient to guarantee.
A left shifting bracket 21 is arranged on the left vehicle body fixing bracket 20, and a right shifting bracket 9 is arranged on the right vehicle body fixing bracket 7; mounting holes are formed in the left vehicle body fixing support 20 and the right vehicle body fixing support 7. The left vehicle body fixing bracket 20 and the right vehicle body fixing bracket 7 are both provided with positioning pins 30. So as to prevent the translational motion and the rotation of the aluminum alloy welded instrument board beam assembly and facilitate the split charging. The left transfer rack 21 and the right transfer rack 9 are provided to facilitate the overall movement.
A knee brace 17 for protecting knees is installed at the joint of the connecting beam 18 and the second supporting cross member 16. The knee pad support 17 can protect the knee of the injured person from backward invasion of the pedal plate during the frontal collision of the vehicle
A first display screen fixing support 2, a second display screen fixing support 4 and a third display screen fixing support 5 for mounting a display screen are sequentially arranged on the beam main pipe 1 from left to right; a square hole for positioning the instrument panel is formed in the third display screen fixing support; round holes for the positioning instrument panel are formed in the first supporting beam 15 and the connecting beam 18. The positioning of the instrument panel is convenient to realize.
The assembling process of the device comprises the steps of firstly carrying out split charging on the instrument panel, the air conditioner, the wire harness and the electrical element on the split charging table, and assembling the split charging table on the metal plate of the vehicle body and locking the metal plate to form a front wall. The sub-assembly of the instrument panel beam assembly on the sub-assembly table is positioned by the mounting surfaces of the right and left vehicle body fixing supports 7 and 20 and the positioning pins 30, so that the translation and rotation of the aluminum alloy welded instrument panel beam assembly are prevented, and the sub-assembly is facilitated.
After the aluminum alloy welded instrument board beam assembly is fixed on the split charging table, firstly assembling the instrument board wire harness, and buckling the instrument board beam assembly through a plurality of opened buckling holes, wherein the only thing to say is that a wire harness position thread fixing hole of M6 is arranged on the front left wall fixing support 28, and the rest are phi 7 or 7X12 long round buckling holes, and detailed explanation is not needed, the steering column is assembled after the wire harness is assembled, and the assembling is mainly fixed and locked through four bolts on the upper steering column mounting support 3 and the lower steering column mounting support 27; then, air conditioner assembly is carried out: firstly, inserting air conditioner positioning pins into phi 12.2 and phi 12.2 multiplied by 20 main and auxiliary positioning holes on a first air conditioner positioning bracket 34 and a second air conditioner positioning bracket 22 to ensure the relative positions of the air conditioner positioning pins, and then sequentially locking 4 air conditioner through holes on the first air conditioner positioning bracket 34, the second air conditioner positioning bracket 22, a connecting bracket 35 and a second air conditioner fixing bracket 26; the relay box is named as a fuse box, and is directly fixed on the rivet pressing nut holes of the relay box fixing bracket 19 and the left side transfer bracket 21; the BCM is also called a vehicle body control module, has the main function of controlling electrical appliances of the vehicle body, and is arranged on 3 nut holes of the BCM fixed bracket 29 and the second supporting cross beam 16; the OBD is called a vehicle-mounted diagnosis system, is used for monitoring the running condition of an engine and the working state of an exhaust gas aftertreatment system at any time, and immediately gives an alarm once the running condition occurs, and is arranged in M6 rivet on a connecting beam 18; the passenger compartment airbag is fixed to the first airbag mounting bracket 23, and the knee protection airbag is fixed to the airbag fixing brackets of the first and second knee airbag fixing brackets 31 and 32.
The instrument board is installed, the concept of specially arranging a plurality of instrument board positioning holes is eliminated through the structural design of the instrument board beam assembly, the fixing holes of part of the instrument board are provided with the positioning function, the requirement on the position degree of the locking holes with the positioning function is high due to the fact that the instrument board is large, and the position degree of the instrument board installation nut holes required to play the positioning function is phi 2.0 at present. The whole beam assembly is provided with 3 instrument board positioning holes which are respectively square holes of 12X11.2 on the third display screen fixing support 5 and round holes of phi 10.2 on the first supporting beam 15 and the connecting beam 18, and the nut fixing holes are provided with positioning functions, so that the relative positions of bolt locking hole positions are not greatly deviated after the instrument boards are fixed, and the instrument boards are respectively locked on the third instrument board fixing support 11, the fifth instrument board fixing support 13, the fourth instrument board fixing support 12, the first supporting beam 15, the first instrument board fixing support 6, the second instrument board fixing support 8 and 9M 6 nut holes on the connecting beam 18 after being positioned by the positioning holes, and then the installation of the instrument boards can be completed; and finally, assembling a large screen, wherein the instrument board beam assembly is provided with three operation interface display large screens, the three operation interface display large screens and an instrument board share a positioning and locking hole, namely a first display screen fixing support 2, a second display screen fixing support 4 and a third display screen fixing support 5, wherein the third display screen fixing support 5 is provided with a square positioning hole of 12 multiplied by 11.2, and after the large screen is assembled, four M6 press riveting nuts on the first display screen fixing support 2, the second display screen fixing support 4 and the third display screen fixing support 5 are locked, so that the split charging work of the whole instrument board assembly is completed.
Assembling in the cockpit needs to be fixed and transferred into the cockpit through two transplanting supports on the right side transferring support 9 and the left side transferring support 21, then inserting two vehicle body positioning pins 30 on the right vehicle body fixing support 7 and the left vehicle body fixing support 20 into the vehicle body metal plate positioning holes, and fixing the vehicle body metal plate through four 10 × 14 long circular holes on the right vehicle body fixing support 7 and the left vehicle body fixing support 20 by bolts; the connection between the front wall part and the sheet metal of the vehicle body needs to be fixed to M8 rivet nuts on the right front wall fixing bracket 24 and the left front wall fixing bracket 28 through adjusting nuts 25 (adjusting nuts are also called tolerance adjusters, and the functions of the adjusting nuts are to absorb the assembly clearance between the front wall bracket and the front wall of the vehicle body); the connection of the vehicle body floor and the instrument board beam assembly requires bolts to be fixed through via holes on the left floor fixing support 14 and the right floor fixing support 36; and finally, the connection between the center console on the floor and the instrument board beam assembly is fixed through M6 rivet nut holes on the left floor fixing support 14 and the right floor fixing support 36, so that the assembly of the aluminum alloy welded instrument board beam assembly on the whole vehicle is completed.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The aluminum alloy automobile instrument board beam assembly provided with the double-airbag mounting and fixing mechanism comprises an instrument board beam assembly main body made of aluminum alloy, wherein the instrument board beam assembly main body comprises a beam main pipe, a left floor fixing support and a right floor fixing support which are connected with the beam main pipe in a welding mode, and a left automobile body fixing support and a right automobile body fixing support are respectively fixed at the left end and the right end of the beam main pipe in a welding mode;
a first air bag mounting bracket for mounting an air bag in a copilot area is mounted at the copilot side end;
the main driving side end is provided with a first supporting beam and a second supporting beam which are arranged side by side, and the first supporting beam and the second supporting beam are both provided with a knee airbag fixing bracket for fixing a knee airbag;
the first supporting beam and the left floor fixing support are connected through a reinforcing support, and the second supporting beam and the left vehicle body fixing support are connected through a connecting beam.
2. The aluminum alloy automobile instrument panel beam assembly with double airbag installation and fixing mechanisms as claimed in claim 1, wherein: the beam main pipe is formed by extrusion molding of aluminum alloy;
the outer contour of the section of the driving side end is a right trapezoid of which the bevel edge is positioned at the rear side, a vertically arranged reinforcing rib is arranged in the driving side end, and the driving side end is divided into two cavities which are arranged in front and back through the reinforcing rib;
the cross section of the right end part of the copilot side end is matched with the cross section of the driving side;
the outer wall of the area between the left floor fixing support and the right floor fixing support is connected to the beam main pipe, and a notch is formed in the outer wall of the area between the left floor fixing support and the right floor fixing support.
3. The aluminum alloy automobile instrument panel beam assembly with the double-airbag installation and fixing mechanism as recited in claim 2, wherein: the assistant driving side end comprises a hollow square pipe, and the end part of the hollow square pipe is in butt joint with a cavity in front of the driving side end;
the inner contour of the hollow square tube is matched with the inner contour of the cavity in front of the driving side end.
4. The aluminum alloy automobile instrument panel beam assembly with double airbag installation and fixing mechanisms as claimed in claim 1, wherein: an upper steering column mounting support and a lower steering column mounting support are respectively mounted on the upper side and the lower side of the driving side end;
the upper steering column mounting support is provided with an L-shaped groove for contacting the adjacent side wall of the beam main pipe;
the upper steering column mounting support is provided with mounting holes arranged on the left and right, and bolts arranged on the left and right are mounted on the upper steering column support;
and bolts arranged on the left and right are mounted on the lower steering column mounting support.
5. The aluminum alloy automobile instrument panel beam assembly with double airbag installation and fixing mechanisms as claimed in claim 1, wherein: a left shifting support is arranged on the left vehicle body fixing support, and a right shifting support is arranged on the right vehicle body fixing support;
and the left vehicle body fixing support and the right vehicle body fixing support are provided with mounting holes.
And positioning pins are arranged on the left vehicle body fixing support and the right vehicle body fixing support.
6. The aluminum alloy automobile instrument panel beam assembly with double airbag installation and fixing mechanisms as claimed in claim 1, wherein: and a knee pad support for protecting knees is arranged at the joint of the connecting beam and the second supporting cross beam.
7. The aluminum alloy automobile instrument panel beam assembly with double airbag installation and fixing mechanisms as claimed in claim 1, wherein: the left end and the right end of the beam main pipe are respectively spliced with the left vehicle body fixing support and the right vehicle body fixing support and are connected with each other in a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921367678.8U CN210793358U (en) | 2019-08-22 | 2019-08-22 | Aluminum alloy automobile instrument board beam assembly with double safety air bag installation fixing mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921367678.8U CN210793358U (en) | 2019-08-22 | 2019-08-22 | Aluminum alloy automobile instrument board beam assembly with double safety air bag installation fixing mechanism |
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| Publication Number | Publication Date |
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| CN210793358U true CN210793358U (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921367678.8U Active CN210793358U (en) | 2019-08-22 | 2019-08-22 | Aluminum alloy automobile instrument board beam assembly with double safety air bag installation fixing mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112758192A (en) * | 2021-01-25 | 2021-05-07 | 浙江零跑科技有限公司 | Header board beam assembly |
| CN114379657A (en) * | 2022-01-25 | 2022-04-22 | 东风汽车集团股份有限公司 | Passenger car instrument desk crossbeam and car |
-
2019
- 2019-08-22 CN CN201921367678.8U patent/CN210793358U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112758192A (en) * | 2021-01-25 | 2021-05-07 | 浙江零跑科技有限公司 | Header board beam assembly |
| CN114379657A (en) * | 2022-01-25 | 2022-04-22 | 东风汽车集团股份有限公司 | Passenger car instrument desk crossbeam and car |
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Address after: 2058 Huqingping Road, Qingpu District, Shanghai, 201702 Patentee after: Shanghai Yousheng Aluminum Co., Ltd Address before: 2058 Huqingping Road, Qingpu District, Shanghai, 201702 Patentee before: SHANGHAI UNISON ALUMINUM PRODUCTS Co.,Ltd. |