CN211055242U - Multi-connecting-rod lightweight rear auxiliary frame - Google Patents
Multi-connecting-rod lightweight rear auxiliary frame Download PDFInfo
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- CN211055242U CN211055242U CN201921826817.9U CN201921826817U CN211055242U CN 211055242 U CN211055242 U CN 211055242U CN 201921826817 U CN201921826817 U CN 201921826817U CN 211055242 U CN211055242 U CN 211055242U
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Abstract
The utility model discloses a sub vehicle frame technical field's a connecting rod lightweight back sub vehicle frame, include: a fixing plate; the two fixed beams are welded on the left side and the right side of the fixed plate from left to right, and the fixed beams are formed by adopting tubular products through hydraulic forming; four sleeve pipes, four the sleeve pipe welds respectively two the one end of fixed beam and fixed plate left and right sides rear end, the fixed plate includes: the after-fixing board, the after-fixing board is through two the fixed beam is fixed the front end of preceding fixed plate, the utility model discloses rational in infrastructure, the plate thickness distribution is even, adopts hydraulic forming tubular beams, and weight is lighter, and toe-in camber support is single stamping forming, and single stamping forming relative position precision is high, with the welding of automobile body connecting rod, and assembly position rigidity performance has great promotion, can effectually satisfy rigidity and mode actual demand, and welding parts is few, and welding jig design is simple, and the welding seam is short, and welding deformation is little, and size precision is higher.
Description
Technical Field
The utility model relates to a sub vehicle frame technical field specifically is a sub vehicle frame after many connecting rods lightweight.
Background
The subframe can be regarded as a framework of the front axle and the rear axle, and is a component of the front axle and the rear axle. The subframe is not a complete frame, but merely a bracket that supports the front and rear axles and the suspension, through which the axles and suspension are then connected to the "main frame", conventionally referred to as the "subframe". The sub-frame has the functions of isolating vibration and noise and reducing direct entering of the sub-frame into a carriage, so that the sub-frame is mostly arranged on luxury cars and off-road vehicles, and the sub-frame is also arranged on an engine of some vehicles. Conventional vehicle bodies without sub-frames have suspensions that are directly connected to the body steel panels. Thus, the suspension rocker mechanisms of both the front and rear axles are discrete components and not an assembly. After the subframe is produced, the front and rear suspensions may be assembled to the subframe to form an axle assembly, which is then mounted to the vehicle body.
In order to meet the requirement of higher control performance of the automobile chassis, a multi-link suspension is selected for more and more automobiles. The multi-link suspension is composed of three or more connecting pull rods, and is provided with a plurality of links, so that the acting force of the wheels can be controlled in various aspects, the wheel positioning can be independently adjusted, and the multi-link suspension has large adjustment space and modification possibility.
The existing multi-connecting-rod rear auxiliary frame is heavy in weight, cannot meet actual requirements of rigidity and mode, and has the problems of complex structure, more welding seams, large welding deformation and poor size precision.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sub vehicle frame behind many connecting rods lightweight to the sub vehicle frame weight is heavier after solving the current many connecting rods that proposes in the above-mentioned background art, can't satisfy rigidity and mode actual demand, and the structure is complicated, and the welding seam is many, and welding deformation is big, the relatively poor problem of size precision.
In order to achieve the above object, the utility model provides a following technical scheme: a multi-link lightweight rear subframe comprising:
a fixing plate;
the two fixed beams are welded on the left side and the right side of the fixed plate from left to right, and the fixed beams are formed by adopting tubular products through hydraulic forming;
and the four sleeves are respectively welded at one end of the two fixed beams and the rear ends of the left side and the right side of the fixed plate.
Preferably, the fixing plate includes:
a front fixing plate;
the rear fixing plate is fixed at the front end of the front fixing plate through the two fixing beams;
the two toe-in camber brackets are welded on the left side and the right side of the front surface of the rear fixing plate, and the front fixing plate is arranged between the two toe-in camber brackets.
Preferably, both of the fixing beams include:
one end of the hollow pipe is welded on the outer side of the front surface of the rear fixing plate, and the hollow pipe is arranged on the inner sides of the two toe-in camber brackets;
the hollow mounting head is welded at the other end of the hollow pipe;
the mounting structure comprises a hollow mounting head, a first mounting hole and a second mounting hole, wherein the first mounting hole is formed in the middle end of the top of the hollow mounting head and penetrates through the bottom of the hollow mounting head, and the first mounting hole in the bottom of the hollow mounting head corresponds to the first mounting hole in the top of the hollow mounting head.
Preferably, four of said sleeves each comprise:
a pipe body;
and the second mounting hole is formed in the front surface of the pipe body.
Preferably, the two toe-in camber brackets are formed by single-piece punch forming.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses rational in infrastructure, the thick distribution of board, adopt hydraulic forming tubular beams, weight is lighter, toe-in camber support is single stamping forming, single stamping forming relative position precision is high, with the welding of automobile body connecting rod, there is great promotion assembly position rigidity performance, can effectually satisfy rigidity and mode actual demand, welding parts is few, welding jig design is simple, the welding seam is short, welding deformation is little, size precision is higher, the effectual traditional many connecting rods of having solved back sub vehicle frame weight is heavier, can't satisfy rigidity and mode actual demand, the structure is complicated, the welding seam is many, welding deformation is big, the relatively poor problem of size precision.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the fixing plate structure of the present invention;
FIG. 3 is a schematic view of the structure of the fixing beam of the present invention;
fig. 4 is a schematic view of the structure of the sleeve of the present invention.
In the figure: 100 fixed plates, 110 front fixed plates, 120 rear fixed plates, 130 toe-in camber brackets, 200 fixed beams, 210 hollow pipes, 220 hollow mounting heads, 230 first mounting holes, 300 sleeves, 310 pipes and 320 second mounting holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a multi-connecting-rod lightweight rear auxiliary frame which has reasonable structure and uniform plate thickness distribution, meets the requirements of rigidity and mode, please refer to fig. 1, and comprises a fixed plate 100, a fixed beam 200 and a sleeve 300;
referring to fig. 1 and 2, the fixing plate 100 is a stamping part, and the fixing plate 100 includes:
the right side of the front surface of the front fixing plate 110 is provided with lightening holes, the auxiliary frame performs plate thickness optimization and topology optimization according to performance requirements (rigidity, modal and strength), the plate thickness of a single piece of the auxiliary frame is adjusted, the lightening holes are increased, and light weight is achieved;
the rear fixing plate 120 is fixed to the front end of the front fixing plate 110 by two fixing beams 200;
the two toe-in camber brackets 130 are welded on the left side and the right side of the front surface of the rear fixing plate 120, the front fixing plate 110 is arranged between the two toe-in camber brackets 130, the two toe-in camber brackets 130 are formed by single-piece punch forming, the accuracy of the relative position of the single-piece punch forming is high, the two toe-in camber brackets are welded with a vehicle body connecting rod, and the rigidity performance of the assembly position is greatly improved;
referring to fig. 1 and 3, two fixed beams 200 are welded on the left and right sides of the fixed plate 100, the fixed beams 200 are formed by hydraulic forming of pipes, so as to improve the performance of the fixed beams 200 and reduce the weight of the fixed beams 200, and both the fixed beams 200 include:
one end of the hollow tube 210 is welded outside the front surface of the rear fixing plate 120, and the hollow tube 210 is inside the two toe-in camber brackets 130;
the hollow mounting head 220 is welded to the other end of the hollow tube 210;
the first mounting hole is opened at the middle end of the top of the hollow mounting head 220, the first mounting hole 230 penetrates through the bottom of the hollow mounting head 220, and the first mounting hole 230 at the bottom of the hollow mounting head 220 corresponds to the first mounting hole 230 at the top of the hollow mounting head 220;
referring to fig. 1 and 4, four bushings 300 are respectively welded to one end of the two fixing beams 200 and the rear ends of the left and right sides of the fixing plate 100, and each of the four bushings 300 includes:
the pipe bodies 310 are welded to the front ends of the two hollow mounting heads 220 and the left and right ends of the rear fixing plate 120, one pipe body 310 is welded to one fixing beam 200, and the two pipe bodies 310 are welded to the left and right ends of the rear fixing plate 120;
the second mounting hole 330 is arranged on the front surface of the tube body 310, the utility model is a welding electrophoresis product, the structure adopts four-beam tailor welding, the toe-in camber bracket is integrated, the left and right beams adopt hydroformed parts, the plate thickness optimization and topology optimization are carried out on the premise that the structure meets the performance, the final lightweight is realized, the multi-link rear subframe adopts QStE420TM as a material, the yield strength is more than 420MPa, SAPH440 as a traditional subframe material is selected, the yield strength is more than 305MPa, the material strength is high, the design weight of the subframe is reduced, the left and right longitudinal beams of the multi-connecting-rod rear auxiliary frame are formed by hydraulic pressure, the hydraulic part has the advantages of excellent product performance, high dimensional precision of the molded surface, low weight and the like, the multi-connecting-rod rear auxiliary frame can isolate the road surface vibration to bring good comfort, meanwhile, the auxiliary frame has extremely high operation stability, is low in weight compared with similar vehicle types in optimization, is superior in performance, and meets the requirement of light weight of the whole vehicle.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. The utility model provides a sub vehicle frame after many connecting rods lightweight which characterized in that: the method comprises the following steps:
a fixing plate (100);
the two fixing beams (200) are welded on the left side and the right side of the fixing plate (100) one by one, and the fixing beams (200) are formed by adopting a pipe material through hydraulic forming;
the four sleeves (300) are respectively welded at one end of the two fixed beams (200) and the rear ends of the left side and the right side of the fixed plate (100).
2. The multi-link lightweight rear subframe of claim 1, wherein: the fixing plate (100) comprises:
a front fixing plate (110);
the rear fixing plate (120) is fixed at the front end of the front fixing plate (110) through the two fixing beams (200);
the toe-in camber support comprises two toe-in camber supports (130), the two toe-in camber supports (130) are welded to the left side and the right side of the front surface of the rear fixing plate (120), and the front fixing plate (110) is arranged between the two toe-in camber supports (130).
3. The multi-link lightweight rear subframe of claims 1-2, wherein: both of the fixed beams (200) include:
a hollow tube (210), one end of the hollow tube (210) is welded outside the front surface of the rear fixing plate (120), and the hollow tube (210) is inside the two toe-in camber brackets (130);
a hollow mounting head (220), the hollow mounting head (220) being welded to the other end of the hollow tube (210);
a first mounting hole (230) opened in a top middle end of the hollow mounting head (220), the first mounting hole (230) penetrating a bottom of the hollow mounting head (220), the first mounting hole (230) of the bottom of the hollow mounting head (220) corresponding to the first mounting hole (230) of the top of the hollow mounting head (220).
4. The multi-link lightweight rear subframe of claim 1, wherein: four of said sleeves (300) each comprising:
a tube (310);
a second mounting hole (330), the second mounting hole (330) being opened at a front surface of the tube body (310).
5. The multi-link lightweight rear subframe of claim 2, wherein: the two toe-in camber brackets (130) are formed by single-piece punch forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921826817.9U CN211055242U (en) | 2019-10-29 | 2019-10-29 | Multi-connecting-rod lightweight rear auxiliary frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921826817.9U CN211055242U (en) | 2019-10-29 | 2019-10-29 | Multi-connecting-rod lightweight rear auxiliary frame |
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| Publication Number | Publication Date |
|---|---|
| CN211055242U true CN211055242U (en) | 2020-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921826817.9U Active CN211055242U (en) | 2019-10-29 | 2019-10-29 | Multi-connecting-rod lightweight rear auxiliary frame |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110758559A (en) * | 2019-10-29 | 2020-02-07 | 安徽万安汽车零部件有限公司 | Multi-connecting-rod lightweight rear auxiliary frame |
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2019
- 2019-10-29 CN CN201921826817.9U patent/CN211055242U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110758559A (en) * | 2019-10-29 | 2020-02-07 | 安徽万安汽车零部件有限公司 | Multi-connecting-rod lightweight rear auxiliary frame |
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