CN207657901U - A kind of subframe - Google Patents
A kind of subframe Download PDFInfo
- Publication number
- CN207657901U CN207657901U CN201820011719.9U CN201820011719U CN207657901U CN 207657901 U CN207657901 U CN 207657901U CN 201820011719 U CN201820011719 U CN 201820011719U CN 207657901 U CN207657901 U CN 207657901U
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- Prior art keywords
- subframe
- rear cross
- youliang
- mentioned
- intermediate transverse
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- 230000000875 corresponding Effects 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 10
- 239000010959 steel Substances 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 5
- 239000000446 fuel Substances 0.000 abstract description 4
- 230000004927 fusion Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 2
- 241000731961 Juncaceae Species 0.000 description 1
- 210000002356 Skeleton Anatomy 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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Abstract
The utility model is related to a kind of subframes, including Zuo Liang and You Liang, front beam, intermediate transverse girder and rear cross beam are disposed between the Zuo Liang and right beam, the corresponding position of the Zuo Liang and right beam is respectively formed with the welding end surface welded with the corresponding end-faces of corresponding front beam, intermediate transverse girder and rear cross beam；The thickness of the wall of above-mentioned Zuo Liang and right beam is respectively smaller than equal to 4.5mm, and the thickness of the wall of above-mentioned front beam, intermediate transverse girder and rear cross beam is respectively smaller than equal to 2mm.Subframe number of parts in the utility model is few, therefore welding and assembling procedure have been simplified, fusion length does not exceed 2 meters generally, the overall weight of subframe reduces, the weight of traditional steel subframe is about 48.3kg, and the weight of the subframe in the utility model is only 36.2kg, thus under equal conditions, the subframe in the utility model has better fuel economy than traditional subframe.
Description
Technical field
The utility model is related to auto parts and components field more particularly to a kind of subframes.
Background technology
Subframe is the skeleton of tandem axle, is the important component of automobile chassis, and main function is to weaken road surface
The impact brought to vehicle body is shaken, the coupling stiffness of suspension is improved, improves comfort and stabilization in vehicle traveling process
Property, in addition, subframe can also reduce noise caused by engine and road shock, improve the silence level in car hold.It is existing
Stage passenger car all uses steel subframe substantially, is welded together steel punching press plate by welding technology, usually a
The weld seam total length of steel subframe can reach 10 meters or so, and this steel subframe rushes Welding complexity, is easy to be rushed
The influence of the factors such as bed, mold, material, plate thickness, welding sequence causes size quality unstable, some critical size precision compared with
It is low, and steel subframe overall weight is heavier, and fuel economy is not so good.
Invention content
Technical problem to be solved in the utility model is provided a kind of light-weight and easy to process for the prior art
Subframe.
Technical solution is used by the utility model solves above-mentioned technical problem：A kind of subframe, which is characterized in that packet
Zuo Liang and You Liang are included, front beam, intermediate transverse girder and rear cross beam are disposed between the Zuo Liang and right beam, the Zuo Liang and You Liang
Corresponding position be respectively formed with the welding end surface welded with the corresponding end-faces of corresponding front beam, intermediate transverse girder and rear cross beam；
The thickness of the wall of above-mentioned Zuo Liang and right beam is respectively smaller than equal to 4.5mm, and the wall of above-mentioned front beam, intermediate transverse girder and rear cross beam
Thickness be respectively smaller than equal to 2mm.
Preferably, the front beam, intermediate transverse girder and rear cross beam are the seamless Al-alloy pipe of extrusion forming, with biography
The steel subframe of system is compared, and further reduced weight, and the front beam, intermediate transverse girder and rear cross beam are caused with tissue
The advantages that close, high mechanical properties, precision size, small allowance.
Preferably, each welding end surface and front beam welded with each welding end surface, intermediate transverse girder and rear cross
The corresponding end-faces of beam are burnishing surface, substantially increase the precision of welding.
Preferably, the Zuo Liang and the welding ends of right beam and rear cross beam are separately provided for the first peace of installation motor
Fill holder and the second mounting bracket.
Preferably, being swelled upwards respectively in the middle part of the Zuo Liang and right beam, and it is respectively arranged in the middle part of the Zuo Liang and right beam
Perforative first transmission axis hole and second driving shaft hole in left-right direction.
It is used for preferably, being respectively provided with above above-mentioned first transmission axis hole on the lateral surface of the left beam
The third mounting bracket of upper swing arm and the 4th mounting bracket for installing lower swing arm are installed；
It is respectively provided with above above-mentioned second driving shaft hole for installing pendulum on the lateral surface of the right beam
The above-mentioned third mounting bracket of arm and above-mentioned 4th mounting bracket for installing lower swing arm.
Preferably, each end on the outer side edges edge of the Zuo Liang and right beam extends outwardly respectively, and on each elongated end respectively
Offer vertical perforative vehicle body mounting hole.
Preferably, the installation base for installing stabiliser bar is convexly equipped on the rear end face of the Zuo Liang and right beam respectively.
Compared with prior art, the utility model has the advantage of：Subframe number of parts in the utility model is few, because
This has simplified welding and assembling procedure, and fusion length does not exceed 2 meters generally, and the thickness difference of the wall of Zuo Liang and right beam is small
Be respectively smaller than equal to 2mm in the thickness equal to 4.5mm, the wall of front beam, intermediate transverse girder and rear cross beam so that subframe it is whole
Body weight reduces, and the weight of traditional steel subframe is about 48.3kg, and the weight of the subframe in the utility model is only
36.2kg, thus under equal conditions, the subframe in the utility model has better fuel economy than traditional subframe.
Description of the drawings
Fig. 1 is the structural schematic diagram of subframe in the utility model embodiment；
Fig. 2 is the structural exploded view of subframe in the utility model embodiment.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing embodiment.
As illustrated in fig. 1 and 2, a kind of subframe, including left beam 1 and right beam 2, are disposed between the left beam 1 and right beam 2
The corresponding position of front beam 3, intermediate transverse girder 4 and rear cross beam 5, the left beam 1 and right beam 2 be respectively formed with corresponding front beam 3,
The welding end surface 12 of the corresponding end-faces of intermediate transverse girder 4 and rear cross beam 5 welding；The thickness of the wall of above-mentioned left beam 1 and right beam 2 is distinguished
Less than or equal to 4.5mm (in the present embodiment be 4.5mm), and the thickness of the wall of above-mentioned front beam 3, intermediate transverse girder 4 and rear cross beam 5
It is respectively smaller than equal to 2mm (being 2mm in the present embodiment).Therefore the subframe number of parts is few, therefore simplified welding and
Assembling procedure, fusion length does not exceed 2 meters generally, and the thickness of the wall of left beam 1 and right beam 2 is respectively smaller than equal to 4.5mm,
The thickness of the wall of front beam 3, intermediate transverse girder 4 and rear cross beam 5 is respectively smaller than equal to 2mm so that the overall weight of subframe drops
Low, the weight of traditional steel subframe is about 48.3kg, and the weight of the subframe in the utility model is only 36.2kg, because
And under equal conditions, the subframe in the utility model has better fuel economy than traditional subframe.
Above-mentioned left beam 1 and right beam 2 are the molding aluminum alloy part of low pressure casting, and front beam 3, intermediate transverse girder 4 and
Rear cross beam 5 is the seamless Al-alloy pipe of extrusion forming, compared with traditional steel subframe, further reduced weight, and
Have many advantages, such as that dense structure, high mechanical properties, precision size, allowance are small.
Each welding end surface 12 and front beam 3, intermediate transverse girder 4 and the rear cross beam 5 welded with each welding end surface 12
Corresponding end-faces be burnishing surface, substantially increase the precision of welding.Specifically, in the present embodiment, above-mentioned each end face passes through
The mode that postwelding machine adds is handled, and machine adds precision to be 0.01mm.Also, each welding end surface 12 and front beam 3, intermediate transverse girder 4 with
And the corresponding end-faces of rear cross beam 5 are all made of CMT cold weldings, weld seam is respectively positioned on the matched end face of all parts.
In addition, the welding ends of left beam 1 and right beam 2 and rear cross beam 5 is separately provided for the first installation branch of installation motor
Frame 17 and the second mounting bracket 18.Left beam 1 and 2 middle part of right beam are swelled upwards respectively, and the left beam 1 and 2 middle part of right beam are set respectively
It is equipped with perforative first transmission axis hole 13 and second driving shaft hole 14 in left-right direction.Further, in upper on the lateral surface of left beam 1
The top for stating the first transmission axis hole 13 is respectively provided with third mounting bracket 15 for installing upper swing arm and for installing
4th mounting bracket 16 of lower swing arm, similarly, in the top in above-mentioned second driving shaft hole 14 point on the lateral surface of the right beam 2
It is not arranged at intervals with the above-mentioned third mounting bracket 15 for installing upper swing arm and above-mentioned 4th installation for installing lower swing arm
Holder 16.
Further, each end on the outer side edges edge of left beam 1 and right beam 2 extends outwardly respectively, and is opened up respectively on each elongated end
There is vertical perforative vehicle body mounting hole 11.The installation for installing stabiliser bar is convexly equipped on the rear end face of left beam 1 and right beam 2 respectively
Boss 6.
Claims (8)
1. a kind of subframe, which is characterized in that including left beam (1) He Youliang (2), set successively between left beam (1) He Youliang (2)
Be equipped with front beam (3), intermediate transverse girder (4) and rear cross beam (5), the corresponding position of left beam (1) He Youliang (2) be respectively formed with
The welding end surface (12) of the corresponding end-faces welding of corresponding front beam (3), intermediate transverse girder (4) and rear cross beam (5)；Above-mentioned left beam
(1) thickness of the wall of He Youliang (2) is respectively smaller than equal to 4.5mm, and above-mentioned front beam (3), intermediate transverse girder (4) and rear cross beam
(5) thickness of wall is respectively smaller than equal to 2mm.
2. subframe as described in claim 1, which is characterized in that the front beam (3), intermediate transverse girder (4) and rear cross beam
(5) be extrusion forming seamless Al-alloy pipe.
3. subframe as claimed in claim 1 or 2, which is characterized in that each welding end surface (12) and with each welding ends
The corresponding end-faces of front beam (3), intermediate transverse girder (4) and rear cross beam (5) that face (12) is welded are burnishing surface.
4. subframe as claimed in claim 1 or 2, which is characterized in that the left beam (1) and the welding ends of rear cross beam (5) are set
It is equipped with the first mounting bracket (17) for installing motor, the right beam (2) and the welding ends of rear cross beam (5) are provided with for pacifying
Fill the second mounting bracket (18) of motor.
5. subframe as claimed in claim 1 or 2, which is characterized in that the middle part of left beam (1) He Youliang (2) respectively to
Upper protuberance, and perforative first transmission axis hole (13) in left-right direction and the are respectively arranged in the middle part of left beam (1) He Youliang (2)
Two transmission axis holes (14).
6. subframe as claimed in claim 5, which is characterized in that in above-mentioned first transmission on the lateral surface of the left beam (1)
Third mounting bracket (15) for installing upper swing arm is respectively provided with above axis hole (13) and for installing lower swing arm
The 4th mounting bracket (16)；
It is respectively provided with above above-mentioned second driving shaft hole (14) for installing on the lateral surface of the right beam (2)
The above-mentioned third mounting bracket (15) of swing arm and above-mentioned 4th mounting bracket (16) for installing lower swing arm.
7. subframe as claimed in claim 1 or 2, which is characterized in that the outer side edges edge of left beam (1) He Youliang (2)
Each end extends outwardly respectively, and offers vertical perforative vehicle body mounting hole (11) on each elongated end respectively.
8. subframe as claimed in claim 1 or 2, which is characterized in that divide on the rear end face of left beam (1) He Youliang (2)
It is not convexly equipped with the installation base (6) for installing stabiliser bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820011719.9U CN207657901U (en) | 2018-01-04 | 2018-01-04 | A kind of subframe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820011719.9U CN207657901U (en) | 2018-01-04 | 2018-01-04 | A kind of subframe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207657901U true CN207657901U (en) | 2018-07-27 |
Family
ID=62943360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820011719.9U Active CN207657901U (en) | 2018-01-04 | 2018-01-04 | A kind of subframe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207657901U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112298359A (en) * | 2019-07-26 | 2021-02-02 | 宁波吉利汽车研究开发有限公司 | Front auxiliary frame rear mounting seat structure, front auxiliary frame and vehicle |
-
2018
- 2018-01-04 CN CN201820011719.9U patent/CN207657901U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112298359A (en) * | 2019-07-26 | 2021-02-02 | 宁波吉利汽车研究开发有限公司 | Front auxiliary frame rear mounting seat structure, front auxiliary frame and vehicle |
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