CN106945729B - Fascia board girder assembly - Google Patents
Fascia board girder assembly Download PDFInfo
- Publication number
- CN106945729B CN106945729B CN201710177165.XA CN201710177165A CN106945729B CN 106945729 B CN106945729 B CN 106945729B CN 201710177165 A CN201710177165 A CN 201710177165A CN 106945729 B CN106945729 B CN 106945729B
- Authority
- CN
- China
- Prior art keywords
- bracket
- cross member
- dashboard cross
- mounting bracket
- supervisor
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/14—Dashboards as superstructure sub-units
- B62D25/145—Dashboards as superstructure sub-units having a crossbeam incorporated therein
Abstract
The invention discloses a kind of fascia board girder assemblies, including dashboard cross member supervisor and steering column mounting bracket, the steering column mounting bracket is mounted on the dashboard cross member supervisor, and air-conditioning box bracket, central supporting bracket, body front wall connecting bracket, air bag bracket, instrument board fixed bracket, end frame, electronic module mounting bracket are also equipped on the dashboard cross member supervisor；The dashboard cross member supervisor, the steering column mounting bracket and the central supporting bracket use aluminium alloy extrusions extrusion forming；The fixed bracket of the air-conditioning box bracket, the body front wall connecting bracket, the air bag bracket, the instrument board, the end frame and the electronic module mounting bracket use aluminium alloy plate punch forming.Fascia board girder assembly in the present invention realizes integrally-built lightweight since entirety is made of aluminium alloy.
Description
Technical field
The present invention relates to automotive field more particularly to a kind of fascia board girder assemblies.
Background technique
Existing dashboard cross member assembly mainly uses common iron punch welding to form, with national legislation and consumer
Requirement to vehicle oil consumption is higher and higher, and automotive light weight technology technology has obtained the attention of height.
Dashboard cross member supervisor is the most important structure of dashboard cross member assembly and load bearing component, plays support man-machine interface
The effect of equipment is controlled, and constitutes Vehicle security system together with other safety con-trol parts of vehicle, protects interior driver
And the safety of passenger.Dashboard cross member supervisor material is largely steel currently on the market, is limited by manufacturing process and cost,
The cross-sectional shape of steel supervisor is mostly the circle of comparison rule, and pipe thickness is uniform, this to the lightweight of dashboard cross member and
The arrangement of cockpit brings detrimental effect.
Steering column mounting bracket is installed on dashboard cross member supervisor, in the prior art, steering column mounting bracket is adopted
It is welded with the stamping parts of multiple steels, is unable to one-pass molding, processing and design process are cumbersome.Steering column mounting bracket exists
Have the disadvantage that first during manufacture and use, fabricate steering column mounting bracket need multiple molds into
Row die sinking processing, production cost is higher, and efficiency has much room for improvement；Second, since processing program is more, cause steering column installation branch
The precision of frame is not very well that the fitness between steering column mounting bracket and steering column is low, it is possible to can make steering column
It is deviated in the position of vehicle.
Therefore, it is necessary to design a kind of light-weight, the arrangement conducive to cockpit, simple process, at low cost, production efficiency
Fascia board girder assembly high, the accuracy of manufacture is good.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide one kind arrangements light-weight, conducive to cockpit, work
The fascia board girder assembly that skill is simple, at low cost, high production efficiency, the accuracy of manufacture are good.
Technical solution of the present invention provides a kind of fascia board girder assembly, including dashboard cross member supervisor and steering tube
Column mounting bracket, the steering column mounting bracket are mounted on the dashboard cross member supervisor, the dashboard cross member supervisor
On be also equipped with the fixed branch of air-conditioning box bracket, central supporting bracket, body front wall connecting bracket, air bag bracket, instrument board
Frame, end frame, electronic module mounting bracket；
The air-conditioning box bracket and the central supporting bracket are mounted on the middle part of the dashboard cross member supervisor, the sky
Box bracket is adjusted to be located at the inside of the central supporting bracket, the steering column mounting bracket and the body front wall connecting bracket
It is mounted on the left side of the central supporting bracket, the air bag bracket is mounted on the right side of the central supporting bracket, and three
A fixed bracket of the instrument board is separately mounted to left part, middle part and the right part of the dashboard cross member supervisor, the instrument board
The both ends of beam main pipe are provided with the end frame and the electronic module mounting bracket, the electronic module installation branch
Frame is located at the inside of the end frame；
The dashboard cross member supervisor, the steering column mounting bracket and the central supporting bracket use aluminium alloy
Profile extrusion molding；
The fixed branch of the air-conditioning box bracket, the body front wall connecting bracket, the air bag bracket, the instrument board
Frame, the end frame and the electronic module mounting bracket use aluminium alloy plate punch forming.
Further, the dashboard cross member supervisor is hollow straight tubular structure, and the dashboard cross member supervisor is horizontal
The changing value of the even distribution of the wall unevenness in section, thickest 3mm, adjacent wall thickness is no more than 3:1.
Further, the air bag branch is corresponded on the dashboard cross member supervisor be provided with recessed portion, the recess
The hollow depth in portion is no more than the 30% of the depth capacity of dashboard cross member supervisor cross section.
Further, the steering column mounting bracket includes four A-frames, and A-frame described in every two is one
Group is mounted in opposite directions on the same cross section of the dashboard cross member supervisor, and riveting has a use on each A-frame
In the studs of fixed steering column.
Further, the central supporting bracket includes two hollow tubes, the transversal face closure of one end of the hollow tube
Sealing surface is formed, the sealing surface and dashboard cross member supervisor weld, and extend after the other end closing of the hollow tube
Connecting plate.
Further, the dashboard cross member supervisor is made of 6061 series alloys.
Further, the steering column mounting bracket and the central supporting bracket are made of 6063 series alloys.
Further, the air bag bracket and the end frame are made of 5052 series alloys.
Further, the fixed bracket of the body front wall connecting bracket, the instrument board, the air-conditioning box bracket and described
Electronic module mounting bracket is made of 5182 series alloys.
Further, the end frame, the central supporting bracket and the body front wall connecting bracket use riveting
Connected nut connection, the fixed bracket of the air bag bracket, the air-conditioning box bracket, the instrument board and the electronic module
Mounting bracket is connected using U-shape nut.
After adopting the above technical scheme, having the following beneficial effects:
Fascia board girder assembly in the present invention realizes integrally-built since entirety is made of aluminium alloy
Lightweight.
In addition, dashboard cross member is responsible for by aluminium alloy extrusions extrusion forming, it can be according to the actual size of the space of cockpit
Squeezing is irregular tubular structure, facilitates the arrangement of cockpit.
In addition, steering column mounting bracket can be realized one-pass molding also by aluminium alloy extrusions extrusion forming, there is technique
Simply, the advantages that at low cost, high production efficiency, the accuracy of manufacture are good.
Detailed description of the invention
Referring to attached drawing, the disclosure of the present invention will become more readily understood.It is understood that these attached drawings are merely illustrative
Purpose, and be not intended to limit the scope of protection of the present invention.In figure:
Fig. 1 is the perspective view of fascia board girder assembly in one embodiment of the invention；
Fig. 2 is the perspective view of the dashboard cross member supervisor of fascia board girder assembly in one embodiment of the invention；
Fig. 3 is the transverse sectional view of the dashboard cross member supervisor of fascia board girder assembly in one embodiment of the invention；
Fig. 4 is the cross-sectional view of the dashboard cross member supervisor of fascia board girder assembly in one embodiment of the invention；
Fig. 5 is dashboard cross member supervisor and the steering column installation of fascia board girder assembly in one embodiment of the invention
The perspective view of bracket；
Fig. 6 is the cross-sectional view of the steering column mounting bracket of fascia board girder assembly in one embodiment of the invention；
Fig. 7 is the perspective view of the central supporting bracket of fascia board girder assembly in one embodiment of the invention.
The appended drawing reference table of comparisons:
1- dashboard cross member is responsible for 2- steering column mounting bracket 3- air-conditioning box bracket
4- central supporting bracket 5- body front wall connecting bracket 6- air bag bracket
7- instrument board fixes bracket 8- end frame 9- electronic module mounting bracket
11- recessed portion 21- A-frame 22- studs
41- hollow tube 42- sealing surface 43- connecting plate
Specific embodiment
Further illustrate a specific embodiment of the invention with reference to the accompanying drawing.
It is readily appreciated that, according to the technique and scheme of the present invention, in the case where not changing true spirit, the general skill of this field
The various structures mode and implementation that art personnel can be replaced mutually.Therefore, following specific embodiments and attached drawing are only
To the exemplary illustration of technical solution of the present invention, and it is not to be construed as whole of the invention or is considered as to inventive technique scheme
It defines or limits.
It mentions in the present specification or up, down, left, right, before and after, front, the back side, top, the bottom that may mention etc.
Positional terms are defined relative to each construction shown in the drawings, they are opposite concepts, and it is therefore possible to can root
Correspondingly changed according to different location locating for it, different use states.So also should not be by these or others side
Position term is construed to restricted term.
In the present embodiment, as shown in Figure 1, fascia board girder assembly, including dashboard cross member supervisor 1 and steering column
Mounting bracket 2, steering column mounting bracket 2 are mounted on dashboard cross member supervisor 1, are also equipped on dashboard cross member supervisor 1
The fixed bracket 7 of air-conditioning box bracket 3, central supporting bracket 4, body front wall connecting bracket 5, air bag bracket 6, instrument board, end
Portion's bracket 8, electronic module mounting bracket 9；
Air-conditioning box bracket 3 and central supporting bracket 4 are mounted on the middle part of dashboard cross member supervisor 1, and air-conditioning box bracket 3 is located at
The inside of central supporting bracket 4, steering column mounting bracket 2 and the installation 5 of body front wall connecting bracket are in central supporting bracket
Left side, air bag bracket 6 are mounted on the right side of central supporting bracket 4, and the fixed bracket 7 of three instrument boards is separately mounted to instrument
The both ends of left part, middle part and the right part of plate beam main pipe 1, dashboard cross member supervisor 1 are provided with end frame 8 and electronic die
Block mounting bracket 9, electronic module mounting bracket 9 are located at the inside of end frame 8；
Dashboard cross member supervisor 1, steering column mounting bracket 2 and central supporting bracket 4 are squeezed using aluminium alloy extrusions
Molding；
Air-conditioning box bracket 3, body front wall connecting bracket 5, air bag bracket 6, instrument board fixed bracket 7, end frame 8
Aluminium alloy plate punch forming is used with electronic module mounting bracket 9.
Wherein, " left side " refers to the position to keep left in Fig. 1, and " right side " refers to the position kept right in Fig. 1.
Dashboard cross member is responsible for 1 as strip pipe, and lateral arrangement, other components are installed in dashboard cross member supervisor 1
On.
There are two central supporting brackets 4, is symmetrically mounted at the middle part of dashboard cross member supervisor 1.
Air-conditioning box bracket 3 has three pieces, wherein two pieces are symmetrically mounted at dashboard cross member supervisor for installing air conditioning for automobiles
1 middle part, and it is located at the inside of two central supporting brackets 4, it is connected between two central supporting brackets 4 there are also one piece.
Steering column mounting bracket 2 is used to install the bracket of steering column, the left side of centrally located supporting support 4 is pacified
Mounted in the left part of dashboard cross member supervisor 1.
Meanwhile body front wall connecting bracket 5 is also mounted at the left part of dashboard cross member supervisor 1, installs branch with steering column
Frame 2 is opposite.Specifically, body front wall connecting bracket 5 extends towards the front side of Fig. 1, steering column mounting bracket 2 is located at rear side.
Air bag bracket 6 is used to install the air bag of copilot, there are two, the right side of centrally located supporting support 4,
It is mounted on the right part of dashboard cross member supervisor 1.
There are three the fixed brackets 7 of instrument board, wherein first is mounted on the left part of dashboard cross member supervisor 1, steering column
The inside of mounting bracket 2；Second is mounted on the middle part of dashboard cross member supervisor 1, the inside of two central supporting brackets 4；The
Three are mounted on the right side of dashboard cross member supervisor 1, the inside of two air bag brackets 6.
End frame 8 and electronic module mounting bracket 9 there are two, be installed in the both ends of dashboard cross member supervisor 1,
And electronic module mounting bracket 9 is located at the inside of end frame 8.
The part more demanding for strength and stiffness, as dashboard cross member supervisor 1, steering column mounting bracket 2 and
Central supporting bracket 4 uses aluminium alloy extrusions extrusion forming process；And end frame 8, air bag bracket 6, body front wall connect
It connects the fixed bracket 7 of bracket 5, instrument board, air-conditioning box bracket 3, electronic module mounting bracket 9 and uses aluminium alloy plate punch forming work
Skill.
Fascia board girder assembly in the present embodiment realizes overall structure since entirety is made of aluminium alloy
Lightweight.
In addition, dashboard cross member supervisor is 1 by aluminium alloy extrusions extrusion forming, it can be according to the actual size of the space of cockpit
Squeezing is irregular tubular structure, facilitates the arrangement of cockpit.
In addition, steering column mounting bracket 2 can be realized one-pass molding, technique letter also by aluminium alloy extrusions extrusion forming
Single, at low cost, high production efficiency, the accuracy of manufacture are good.
Further, as in Figure 2-4, dashboard cross member supervisor 1 is hollow straight tubular structure, dashboard cross member master
The changing value of the even distribution of wall unevenness of 1 cross section of pipe, thickest 3mm, adjacent wall thickness is no more than 3:1.
Wall thickness is unevenly conducive to mitigation weight.Such as: initial wall thickness 3mm is being kept to the high position of intensity requirement,
Wall thickness is being reduced to the not high position of intensity requirement.Fig. 4 is the variation schematic diagram of wall thickness in the present embodiment.
As shown in Figure 3-4, in the present embodiment, the cross section of dashboard cross member supervisor 1 is irregular circle, in order to adapt to
The installation space of cockpit can be squeezed into arbitrary shape.
Preferably, the cross section of dashboard cross member supervisor 1 can be with ellipse.
Further, as Figure 2-3, air bag bracket 6 is corresponded on dashboard cross member supervisor 1 be equipped with recessed portion 11,
The hollow depth h of recessed portion 11 is no more than 30% that dashboard cross member is responsible for the depth capacity H of 1 cross section.
Recessed portion 11 avoids the installation of copilot side airbag for part, concedes installation space for air bag.But
It is that hollow depth h is more than or equal to the 30% of depth capacity H, otherwise will affect the structural strength of dashboard cross member supervisor 1.
Further, as seen in figs. 5-6, steering column mounting bracket 2 includes four A-frames 21, every two triangle branch
Frame is one group and is mounted on the same cross section of dashboard cross member supervisor 1 in opposite directions that riveting has a use on each A-frame
In the studs 22 of fixed steering column.
Specifically, steering column mounting bracket 2 carries steering column, need to meet steering column torsion stiffness, NVH is touched
Hit the performance requirements such as safety.Steering column mounting bracket 2 is usually made of four A-frames 21, and left and right may be designed to symmetrical junction
Structure is to reduce mold investment.The studs 22 for fixing steering column, double end spiral shell are riveted on four A-frames 21 respectively
The riveting depth of column 22 is 8mm.In order to meet the requirement of riveting, the thickness of the A-frame 21 at the position of studs 22 is installed
Degree minimum value is 16mm, and other positions thickness design initial value is 8mm.Steering column mounting bracket 2 needs to be welded on instrument board
On beam main pipe 1,
Steering column mounting bracket 2 and 1 welding matching face of dashboard cross member supervisor keep the gap of 0.5mm, adjacent weld seam
Between keep the minimum gap 14mm to guarantee welding gun space.
Further, as shown in Figure 1 and Figure 7, central supporting bracket 4 includes two hollow tubes 41, one end of hollow tube 41
Cross section close to form sealing surface 42, sealing surface 42 and dashboard cross member supervisor 1 welding, hollow tube 41 the other end closing after
Extend connecting plate 43.
Wherein, central supporting bracket 4 uses the form of sealing surface 42 to obtain better bending-twisting performance；Hollow tube 41
The caliber of the other end gradually becomes smaller rear enclosed, and extends the connecting plate 43 of monolithic, and connecting plate 43 with vehicle body for connecting.
Further, central supporting bracket 4 with a thickness of 2-2.5mm；The original design of end frame 8 is with a thickness of 4mm, vehicle
The fixed bracket 7 of body front wall mounting bracket 5, air bag bracket 6, instrument board, air-conditioning box bracket 3 and electronic module mounting bracket 9
With a thickness of 2-2.5mm.Above-mentioned bracket is welded on dashboard cross member supervisor 1, and part welding keeps 0.5mm between matching face
Gap need to guarantee that welding gun is reachable, and welding position part thickness is identical.
Preferably, manufacturing process and structure type based on dashboard cross member assembly, loaded in conjunction with each bracket institute, and
Aluminium alloy physical characteristic, processability, weldability etc. reasonably select timbering material type.Aluminium alloy suitable for extrusion process has
6061 and 6063 series, dashboard cross member supervisor 1 are made of 6061 series alloys, steering column mounting bracket 2 and central branches
Support bracket 4 is made of 6063 series alloys.
In addition, the aluminium alloy for being suitable for punching press has 5052 and 5182 series, air bag bracket 6 and end frame 8 by
5052 series alloys are made, the fixed bracket 7 of body front wall connecting bracket 5, instrument board, air-conditioning box bracket 3 and electronic module peace
Dress bracket 9 is made of 5182 series alloys.
Above-mentioned bracket is all made of welding (MIG) welding, and wlding selects 6061 series alloys.
Further, air bag, air-conditioning box, instrument board, electronic module can be installed on dashboard cross member assembly, and leads to
End frame 8, central supporting bracket 4 and body front wall connecting bracket 5 is crossed to be assembled on vehicle body.Connection between these parts
Fastener is required, therefore the selection of fastener is important one of dashboard cross member assembly design.Generally according to by fastening zero
Part situation loaded, it is nut, the bolt of M8, M4.2, M6 that usually used fastener, which has specification, on dashboard cross member assembly
U-shape nut.
Specifically, end frame 8, central supporting bracket 4 and body front wall connecting bracket 5 are connected using M8 riveting nut
It connects, air bag bracket 6, air-conditioning box bracket 3, instrument board fix bracket 7 and electronic module mounting bracket 9 and use the U of M4.2, M6
The connection of type nut.
Above-described is only the principle of the present invention and preferred embodiment.It should be pointed out that for the common skill of this field
For art personnel, on the basis of the principle of the invention, several other modifications can also be made, also should be regarded as protection model of the invention
It encloses.
Claims (9)
1. a kind of fascia board girder assembly, including dashboard cross member supervisor and steering column mounting bracket, the steering tube
Column mounting bracket is mounted on the dashboard cross member supervisor, which is characterized in that is also equipped on the dashboard cross member supervisor
Air-conditioning box bracket, central supporting bracket, body front wall connecting bracket, air bag bracket, instrument board fixed bracket, end branch
Frame, electronic module mounting bracket；
The central supporting bracket includes two hollow tubes, and the cross section of one end of the hollow tube is closed to form sealing surface, institute
It states sealing surface and dashboard cross member supervisor welds, the caliber of the other end of the hollow tube gradually becomes smaller rear enclosed and extends
Connecting plate out, the central supporting bracket with a thickness of 2-2.5mm；
The air-conditioning box bracket and the central supporting bracket are mounted on the middle part of the dashboard cross member supervisor, the air-conditioning box
Bracket is located at the inside of two central supporting brackets, the steering column mounting bracket and the body front wall connecting bracket
It is mounted on the left side of the central supporting bracket, the air bag bracket is mounted on the right side of the central supporting bracket, and three
A fixed bracket of the instrument board is separately mounted to left part, middle part and the right part of the dashboard cross member supervisor, the instrument board
The both ends of beam main pipe are provided with the end frame and the electronic module mounting bracket, the electronic module installation branch
Frame is located at the inside of the end frame；
The dashboard cross member supervisor, the steering column mounting bracket and the central supporting bracket use aluminium alloy extrusions
Extrusion forming；
The fixed bracket of the air-conditioning box bracket, the body front wall connecting bracket, the air bag bracket, the instrument board,
The end frame and the electronic module mounting bracket use aluminium alloy plate punch forming.
2. fascia board girder assembly according to claim 1, which is characterized in that during dashboard cross member supervisor is
Empty straight tubular structure, the even distribution of wall unevenness of dashboard cross member supervisor cross section, thickest 3mm are adjacent
The changing value of wall thickness is no more than 3:1.
3. fascia board girder assembly according to claim 2, which is characterized in that the dashboard cross member supervisor Shang couple
The air bag branch is answered to be provided with recessed portion, it is transversal that the hollow depth of the recessed portion is no more than dashboard cross member supervisor
The 30% of the depth capacity in face.
4. fascia board girder assembly according to claim 1, which is characterized in that the steering column mounting bracket packet
Four A-frames are included, A-frame described in every two is one group and is mounted on the same transversal of the dashboard cross member supervisor in opposite directions
On face, riveting has the studs for being used to fix steering column on each A-frame.
5. fascia board girder assembly according to claim 1-4, which is characterized in that the dashboard cross member
Supervisor is made of 6061 series alloys.
6. fascia board girder assembly according to claim 1-4, which is characterized in that the steering column peace
Dress bracket and the central supporting bracket are made of 6063 series alloys.
7. fascia board girder assembly according to claim 1-4, which is characterized in that the air bag branch
Frame and the end frame are made of 5052 series alloys.
8. fascia board girder assembly according to claim 1-4, which is characterized in that the body front wall connects
The fixed bracket of bracket, the instrument board, the air-conditioning box bracket and the electronic module mounting bracket is connect to be closed by 5182 series aluminums
Gold is made.
9. fascia board girder assembly according to claim 1-4, which is characterized in that the end frame,
The central supporting bracket and the body front wall connecting bracket are connected using riveting nut, the air bag bracket, institute
It states the fixed bracket of air-conditioning box bracket, the instrument board and the electronic module mounting bracket is connected using U-shape nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710177165.XA CN106945729B (en) | 2017-03-23 | 2017-03-23 | Fascia board girder assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710177165.XA CN106945729B (en) | 2017-03-23 | 2017-03-23 | Fascia board girder assembly |
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| Publication Number | Publication Date |
|---|---|
| CN106945729A CN106945729A (en) | 2017-07-14 |
| CN106945729B true CN106945729B (en) | 2019-11-12 |
Family
ID=59473551
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710177165.XA Active CN106945729B (en) | 2017-03-23 | 2017-03-23 | Fascia board girder assembly |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107856534A (en) * | 2017-11-01 | 2018-03-30 | 上海和达汽车配件有限公司 | A kind of Automobile central-control-box installation support |
| CN110027602A (en) * | 2018-01-11 | 2019-07-19 | 江苏富陶车辆部件有限公司 | A kind of improved automobile steering tubular column bracket welding structure |
| EP3820763A4 (en) * | 2018-07-12 | 2022-04-13 | Shanghai Yanfeng Jin Qiao Automotive Trim Systems Co., Ltd. | Cross-member structure for vehicle |
| CN110104074A (en) * | 2019-05-15 | 2019-08-09 | 东北大学 | A kind of aluminum alloy automobile dashboard bracket and its manufacturing technique method |
| CN110239632A (en) | 2019-07-17 | 2019-09-17 | 上海延锋金桥汽车饰件系统有限公司 | Dashboard cross member |
| CN113858657A (en) * | 2021-09-26 | 2021-12-31 | 浙江吉利控股集团有限公司 | Instrument panel beam tube, manufacturing method thereof and automobile |
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| Publication number | Publication date |
|---|---|
| CN106945729A (en) | 2017-07-14 |
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