CN207657901U - A kind of subframe - Google Patents

A kind of subframe Download PDF

Info

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
Authority
CN
China
Prior art keywords
subframe
rear cross
youliang
mentioned
intermediate transverse
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
Application number
CN201820011719.9U
Other languages
Chinese (zh)
Inventor
薛丰盛
刘佳良
陈杰
徐焱鹏
章球
魏海彬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NINGBO JIANXIN CHASSIS SYSTEM CO Ltd
Original Assignee
NINGBO JIANXIN CHASSIS SYSTEM CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NINGBO JIANXIN CHASSIS SYSTEM CO Ltd filed Critical NINGBO JIANXIN CHASSIS SYSTEM CO Ltd
Priority to CN201820011719.9U priority Critical patent/CN207657901U/en
Application granted granted Critical
Publication of CN207657901U publication Critical patent/CN207657901U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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

A kind of subframe
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.
CN201820011719.9U 2018-01-04 2018-01-04 A kind of subframe Active CN207657901U (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
JP4418280B2 (en) Subframe for vehicle
US7871123B2 (en) A-pillar joint for automotive vehicles
CN206938857U (en) A kind of commercial car frame assembly
CN108482488A (en) A kind of vehicle front subframe structure
CN105383563B (en) A kind of automobile accessory frame
CN207657901U (en) A kind of subframe
CN205615584U (en) Car aluminum alloy sub vehicle frame
CN203864796U (en) Front auxiliary frame assembly
CN201189884Y (en) Vehicle auxiliary frame structure
JP2011230609A (en) Body frame of motorcycle
CN212605440U (en) Automobile rear auxiliary frame with longitudinal beam and front beam formed by adopting coiled pipes
CN103832473B (en) A kind of fore sub frame
CN205059197U (en) Left side suspension assembly suitable for automobile engine
CN204415516U (en) Fore sub frame mounting structure and automobile
CN105150822A (en) Left suspension assembly suitable for automobile engine
CN204956624U (en) Sub vehicle frame before car frame
CN101934838A (en) Mounting structure of cover for motor bicycle
CN109204473A (en) A kind of casting of aluminium alloy plus aluminium alloy extrusions weld five connecting rod Rear secondary frame for vehicle
CN103738399A (en) Front subframe and producing method thereof
CN212267628U (en) Steel-aluminum auxiliary frame structure
CN206394707U (en) Automobile rear longitudinal girder structural assembly
CN212267630U (en) Front auxiliary frame
CN210116546U (en) Front auxiliary frame and vehicle with same
CN211055242U (en) Multi-connecting-rod lightweight rear auxiliary frame
WO2017125803A1 (en) Modular frame structure for an automotive vehicle

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant