CN202966434U - Automobile rear subframe and corresponding automobile - Google Patents
Automobile rear subframe and corresponding automobile Download PDFInfo
- Publication number
- CN202966434U CN202966434U CN 201220652580 CN201220652580U CN202966434U CN 202966434 U CN202966434 U CN 202966434U CN 201220652580 CN201220652580 CN 201220652580 CN 201220652580 U CN201220652580 U CN 201220652580U CN 202966434 U CN202966434 U CN 202966434U
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- cross member
- front cross
- cross rail
- cross beam
- frame
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Abstract
The utility model provides an automobile rear subframe and a corresponding automobile. The rear subframe comprises a front cross beam and a rear cross beam, wherein the left sides of the front cross beam and the rear cross beam are connected through a left longitudinal beam and the right sides of the front cross beam and the rear cross beam are connected through a right longitudinal beam, so that a hollow framework structure is formed; the front cross beam, the rear cross beam, the left longitudinal beam and the right longitudinal beam adopt a pipe beam respectively; the middle sections of the front cross beam and the rear cross beam bend downward respectively to form an arc; the left side and the right side of the lower part of the front cross beam can be connected with a left front fasces support and a right front fasces support respectively; a stable rod support can be fixedly connected between each cross beam and the corresponding front fasces support; a left upper swing arm support and a right upper swing arm support can be arranged on the left longitudinal beam and the right longitudinal beam correspondingly; the left side and the right side of the lower part of the rear cross beam can be provided with a left lower swing arm support and a right lower swing arm support; and a reinforcing support can be fixedly connected between each front fasces support and the corresponding lower swing arm support. With the adoption of the automobile rear subframe, the cost is lowered, the weight is decreased and the processing technology is enabled to become simpler.
Description
Technical field
The utility model relates to automobile technical field, is specifically related to a kind of automobile rear sub-frame and corresponding automobile.
Background technology
The automobile rear sub-frame that four link lever rear suspensions in the market adopt, its agent structure mostly is the sheet metal component punch welding and forms, perhaps manage the combined of girder construction and panel beating for part, by the various supports of welding on agent structure, for the guiding mechanism of stabilizer rod, suspension provides attachment point.Restriction due to each hard spot (or installation site), the complicated structure that causes Rear secondary frame for vehicle, the shaping difficulty is larger, and particularly the Rear secondary frame for vehicle of said structure needs more mould and adopts a lot of welding sequences, and productive costs and element precision are not very desirable.
When the design Rear secondary frame for vehicle, need to take into account intensity, rigidity, lightweight and cost requirement.In order to simplify back-auxiliary cycle frame structure, reach the purpose that cost falls in loss of weight, it is crucial how carrying out lightweight improvement design, approach generally has two kinds: the one, adopt the Novel lightweight composite material; The 2nd, change component structural.The former easily realizes, but high expensive, so how in the steel design that extensively adopts at present, the creation and optimization structure is the key that cost falls in loss of weight.
In sum, existing back-auxiliary cycle frame structure processing technology is complicated, and weight is larger, and cost of parts is high.
The utility model content
Feature and advantage of the present utility model are partly statement in the following description, perhaps can describe obviously from this, perhaps can learn by putting into practice the utility model.
For overcoming the problem of prior art, the utility model provides a kind of automobile rear sub-frame and corresponding automobile, by the creation and optimization structure, reduces the cost of Rear secondary frame for vehicle, expendable weight, and make processing technology become more simple.
It is as follows that the utility model solves the problems of the technologies described above the technical scheme that adopts:
According to an aspect of the present utility model, a kind of automobile rear sub-frame is provided, comprise front cross rail and after cross member, the left longeron that passes on left of front cross rail and after cross member couples together, the right side of front cross rail and after cross member couples together by right vertical beam, forms the framed structure of hollow, wherein, front cross rail, after cross member, left longeron or right vertical beam adopt Guan Liang, and the interlude of front cross rail and after cross member is bent downwardly respectively the formation arc.
According to an embodiment of the present utility model, the bottom of front cross rail is connected with respectively left front bundle shaft bar and right front bundle shaft bar in arranged on left and right sides.
According to an embodiment of the present utility model, the left stabilizer bar arm of captive joint between front cross rail and left front bundle shaft bar, the right stabilizer bar arm of captive joint between front cross rail and right front bundle shaft bar.
According to an embodiment of the present utility model, be respectively arranged with upper left oscillating arm bracket and upper right oscillating arm bracket on left longeron and right vertical beam; The bottom of after cross member is respectively arranged with lower-left oscillating arm bracket and bottom right oscillating arm bracket in arranged on left and right sides.
According to an embodiment of the present utility model, the left reinforced support of captive joint between left front bundle shaft bar and lower-left oscillating arm bracket, the right reinforced support of captive joint between right front bundle shaft bar and bottom right oscillating arm bracket.
According to an embodiment of the present utility model, the two ends of left longeron are welded on respectively the leftward position of front cross rail and after cross member, and the two ends of right vertical beam are welded on respectively the right positions of front cross rail and after cross member.
According to an embodiment of the present utility model, the left and right end of after cross member forms flat structure, is used for the left and right spring tray of captive joint.
According to an embodiment of the present utility model, offer respectively the electrophoresis process hole on the pipe beam body of front cross rail, after cross member, left longeron or right vertical beam.
According to an embodiment of the present utility model, the left and right end of front cross rail, after cross member is respectively arranged with mounting hole, is used for being connected with vehicle body.
According to another aspect of the present utility model, a kind of automobile is provided, comprise as the described automobile rear sub-frame of above-mentioned any one technical scheme.
The utility model provides a kind of Rear secondary frame for vehicle that is applied in many connecting rods (as four connecting rods) rear suspension, and this Rear secondary frame for vehicle can be welded by four pipe beams and various panel beating holder combination, for suspension guide mechanism, spring, stabilizer rod provide attachment point.Than other Rear secondary frame for vehicle of the same type, reduce costs, expendable weight, it is more simple that processing technology becomes.Particularly, the utility model has the advantage of:
1, agent structure of the present utility model interconnects (as welding) by forward and backward crossbeam and forward and backward longeron, makes that structure is more slim and graceful, technique is compact, and cost reduction can use the pipe beam to substitute sheet metal structural, makes processing technology more simple and convenient, and cost is lower.The cross section of comparing the metal plate frame structure occupies little space, arc design by the bending of forward and backward longeron interlude, reserved the space for layout and the installation of driver train, for the layout of other parts facilitates, make this vehicle frame can satisfy simultaneously two layouts of driving with 4 wheel driven, improved that single part drives two, the sharing nature in the 4 wheel driven different automobile types.
2, by between the prenex shaft bar of arranged on left and right sides and lower swing arm support respectively by reinforced support captive joint (as welding), overcome the weak shortcoming of the caused front lower swing arm X-direction rigidity of rear pipe girder construction;
3, by stabilizer bar arm captive joint (as welding) on front cross rail and prenex shaft bar, has been improved the X-direction rigidity of prenex shaft bar.
The utility model can satisfy the Rigidity and strength of car load designing requirement, adopt structure of the present utility model can realize lightweight, be lighter than significantly the four hangings subframe used on market, and reduced in right amount manufacturing cost, and good NVH(noise, vibration and sound vibration roughness are arranged simultaneously) performance.
By reading specification sheets, those of ordinary skills will understand feature and the content of these technical schemes better.
Description of drawings
Below by the reference accompanying drawing and in conjunction with example, the utility model is described particularly, advantage of the present utility model and implementation will be more obvious, wherein content shown in accompanying drawing only is used for explaining to of the present utility model, and do not consist of the restriction of going up in all senses of the present utility model, in the accompanying drawings:
Fig. 1 is the block diagram one of the utility model embodiment Rear secondary frame for vehicle;
Fig. 2 is the block diagram two of the utility model embodiment Rear secondary frame for vehicle;
Fig. 3 is mounted elastically structural representation on the utility model embodiment Rear secondary frame for vehicle;
Fig. 4 is the birds-eye view of the utility model embodiment Rear secondary frame for vehicle;
Fig. 5 observes from vehicle front, the topology view of the utility model embodiment Rear secondary frame for vehicle.
The specific embodiment
In the utility model embodiment, a kind of Rear secondary frame for vehicle that is applied in four link lever rear suspensions is provided, the utility model is not limited in and is applied to four link lever rear suspensions certainly, also goes for other many link lever rear suspensions.The Rear secondary frame for vehicle of the present embodiment is welded by four pipe beams and various panel beating holder combination, for suspension guide mechanism, spring, stabilizer rod provide attachment point.
As Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, the present embodiment provides a kind of automobile rear sub-frame, comprise front cross rail 10 and after cross member 20, the left longeron 30 that passes on left of front cross rail 10 and after cross member 20 couples together, the right side of front cross rail 10 and after cross member 20 couples together by right vertical beam 40, form the framed structure of hollow, preferably, the two ends of left longeron 30 are welded on respectively the leftward position of front cross rail 10 and after cross member 20, and the two ends of right vertical beam 40 are welded on respectively the right positions of front cross rail 10 and after cross member 20.
Wherein, front cross rail 10, after cross member 20, left longeron 30 or right vertical beam 40 adopt Guan Liang, and the interlude of front cross rail 10 and after cross member 20 is bent downwardly respectively the formation arc.Compare the cross section of metal plate frame structure, the present embodiment occupies little space, and the arc design by the bending of forward and backward longeron interlude has reserved the space for layout and the installation of driver train, makes this vehicle frame can satisfy simultaneously two layouts of driving with 4 wheel driven.
The bottom of front cross rail 10 is connected with respectively left front bundle shaft bar 11 and right front bundle shaft bar 12 in arranged on left and right sides.The left stabilizer bar arm 13 of captive joint between front cross rail 10 and left front bundle shaft bar 11, the right stabilizer bar arm 14 of captive joint between front cross rail 10 and right front bundle shaft bar 12.By stabilizer bar arm being welded on front cross rail and prenex shaft bar, improved the X-direction rigidity of each prenex shaft bar.
Be respectively arranged with upper left oscillating arm bracket 31 and upper right oscillating arm bracket 41 on left longeron 30 and right vertical beam 40; The bottom of after cross member 20 is respectively arranged with lower-left oscillating arm bracket 21 and bottom right oscillating arm bracket 22 in arranged on left and right sides.The left reinforced support 51 of captive joint between left front bundle shaft bar 11 and lower-left oscillating arm bracket 21, the right reinforced support 52 of captive joint between right front bundle shaft bar 12 and bottom right oscillating arm bracket 22.By weld respectively reinforced support about prenex shaft bar and lower swing arm support, overcome the weak shortcoming of the caused front lower swing arm X-direction rigidity of rear pipe girder construction, improved simultaneously the single order torsion mode of structure, the NVH performance of automobile is controlled and improved to actv..
In the present embodiment, the left and right end of after cross member 20 forms flat structure, is used for the left and right spring tray 23 of captive joint, 24.By after cross member end pressing, spring tray is welded on Guan Liang, the spring of whole suspension is assemblied between vehicle frame, directly is not connected with vehicle body, improves junction rigidity, is conducive to vibration isolation.As shown in Figure 3, spring 61,62 be assemblied in lower swing arm 71,72 and corresponding left and right spring tray 23,24 between.
As Fig. 1, Fig. 2 and shown in Figure 3, offer respectively electrophoresis process hole K on the pipe beam body of front cross rail 10, after cross member 20, left longeron 30 or right vertical beam 40, the problems such as the electrostatic screening in the painting process, bubble, hydrops have been avoided, painting technology is good, has also reduced to greatest extent the weight of pipe beam self simultaneously.
The left and right end of front cross rail 10, after cross member 20 is respectively arranged with mounting hole 15,16,25,26, is used for being connected with vehicle body.The Rear secondary frame for vehicle of the present embodiment makes four connecting rod rear overhang compact conformations, the rear suspension modularization packing when being conducive to entrucking.
In the present embodiment, between element, preferred the employing is welded to connect, but also can other captive joint mode.The Rear secondary frame for vehicle main body is overlapped mutually and is welded by front cross rail 10, after cross member 20, left longeron 30, right vertical beam 40, is steel pipe and processes.As shown in Figure 4, consist of the rectangle frame structure in birds-eye view, as shown in Figure 5, in the front elevation direction, front cross rail 10, after cross member 20 interlude arc-shaped transition reserve the installing space of driver train.
The agent structure of the present embodiment all adopts the pipe beam to connect, and than other sheet metal structurals or part fitting structure, reduces costs and technique manufacturing complexity expendable weight.Simultaneously because Guan Liang is convenient to the bending design, and the characteristics such as occupy little space, rear-guard is arranged become more easily simple.By increasing reinforced support, overcome the weak shortcoming of the caused front lower swing arm X-direction rigidity of rear pipe girder construction, strengthened simultaneously integrally-built single order mode.By stabilizer bar arm being welded on Guan Liang and prenex shaft bar, improved the X-direction rigidity of prenex shaft bar.By spring tray, realize that spring is assemblied between subframe and lower swing arm, makes module assembly simple.
The utility model embodiment provides a kind of automobile simultaneously, comprises automobile rear sub-frame as described in above-mentioned technical scheme.
Above with reference to the accompanying drawings of preferred embodiment of the present utility model, those skilled in the art do not break away from scope of the present utility model and essence, can have multiple flexible program to realize the utility model.For example, the feature that illustrates or describe as the part of an embodiment can be used for another embodiment to obtain another embodiment.These are only the better feasible embodiment of the utility model, not thereby limit to interest field of the present utility model, the equivalence that all utilization the utility model specification sheetss and accompanying drawing content are done changes, within all being contained in interest field of the present utility model.
Claims (10)
1. automobile rear sub-frame, it is characterized in that, comprise front cross rail and after cross member, the left longeron that passes on left of described front cross rail and after cross member couples together, the right side of described front cross rail and after cross member couples together by right vertical beam, forms the framed structure of hollow, wherein, described front cross rail, after cross member, left longeron or right vertical beam adopt Guan Liang, and the interlude of described front cross rail and after cross member is bent downwardly respectively the formation arc.
2. automobile rear sub-frame according to claim 1, is characterized in that, the bottom of described front cross rail is connected with respectively left front bundle shaft bar and right front bundle shaft bar in arranged on left and right sides.
3. automobile rear sub-frame according to claim 2, is characterized in that, the left stabilizer bar arm of captive joint between described front cross rail and left front bundle shaft bar, the right stabilizer bar arm of captive joint between described front cross rail and right front bundle shaft bar.
4. automobile rear sub-frame according to claim 2, is characterized in that, is respectively arranged with upper left oscillating arm bracket and upper right oscillating arm bracket on described left longeron and right vertical beam; The bottom of described after cross member is respectively arranged with lower-left oscillating arm bracket and bottom right oscillating arm bracket in arranged on left and right sides.
5. automobile rear sub-frame according to claim 4, is characterized in that, the left reinforced support of captive joint between described left front bundle shaft bar and lower-left oscillating arm bracket, the right reinforced support of captive joint between described right front bundle shaft bar and bottom right oscillating arm bracket.
6. the described automobile rear sub-frame of any one according to claim 1-5, it is characterized in that, the two ends of described left longeron are welded on respectively the leftward position of described front cross rail and after cross member, and the two ends of described right vertical beam are welded on respectively the right positions of described front cross rail and after cross member.
7. the described automobile rear sub-frame of any one according to claim 1-5, is characterized in that, the left and right end of described after cross member forms flat structure, is used for the left and right spring tray of captive joint.
8. the described automobile rear sub-frame of any one according to claim 1-5, is characterized in that, offers respectively the electrophoresis process hole on the pipe beam body of described front cross rail, after cross member, left longeron or right vertical beam.
9. the described automobile rear sub-frame of any one according to claim 1-5, is characterized in that, the left and right end of described front cross rail, after cross member is respectively arranged with mounting hole, is used for being connected with vehicle body.
10. an automobile, is characterized in that, comprises automobile rear sub-frame as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220652580 CN202966434U (en) | 2012-11-30 | 2012-11-30 | Automobile rear subframe and corresponding automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220652580 CN202966434U (en) | 2012-11-30 | 2012-11-30 | Automobile rear subframe and corresponding automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202966434U true CN202966434U (en) | 2013-06-05 |
Family
ID=48507547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220652580 Expired - Lifetime CN202966434U (en) | 2012-11-30 | 2012-11-30 | Automobile rear subframe and corresponding automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202966434U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103640630A (en) * | 2013-12-26 | 2014-03-19 | 芜湖中瑞汽车零部件有限公司 | Pipe-type auxiliary frame structure |
| CN103847793A (en) * | 2012-11-30 | 2014-06-11 | 广州汽车集团股份有限公司 | Vehicular rear auxiliary frame and corresponding vehicle |
| CN104554444A (en) * | 2014-12-03 | 2015-04-29 | 浙江福多纳汽车部件有限公司 | Vehicle rear sub-frame |
| CN104691620A (en) * | 2015-03-02 | 2015-06-10 | 安徽机电职业技术学院 | Reinforcing rod structure of rear auxiliary automotive chassis |
| CN108688727A (en) * | 2018-07-27 | 2018-10-23 | 北京新能源汽车股份有限公司 | Auxiliary frame and vehicle |
| CN109760744A (en) * | 2019-03-11 | 2019-05-17 | 汉腾汽车有限公司 | A kind of Rear secondary frame for vehicle reinforcement structure |
| CN110901763A (en) * | 2019-09-05 | 2020-03-24 | 宁波拓普汽车电子有限公司 | Integrated lightweight molding three-stage post-constraining auxiliary frame |
| CN112590935A (en) * | 2021-01-07 | 2021-04-02 | 宁波可挺汽车零部件有限公司 | Rear auxiliary frame assembly |
-
2012
- 2012-11-30 CN CN 201220652580 patent/CN202966434U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103847793A (en) * | 2012-11-30 | 2014-06-11 | 广州汽车集团股份有限公司 | Vehicular rear auxiliary frame and corresponding vehicle |
| CN103847793B (en) * | 2012-11-30 | 2016-06-08 | 广州汽车集团股份有限公司 | A kind of automobile rear sub-frame and corresponding automobile |
| CN103640630A (en) * | 2013-12-26 | 2014-03-19 | 芜湖中瑞汽车零部件有限公司 | Pipe-type auxiliary frame structure |
| CN104554444A (en) * | 2014-12-03 | 2015-04-29 | 浙江福多纳汽车部件有限公司 | Vehicle rear sub-frame |
| CN104554444B (en) * | 2014-12-03 | 2017-12-12 | 浙江福多纳汽车部件有限公司 | Automobile rear sub-frame |
| CN104691620A (en) * | 2015-03-02 | 2015-06-10 | 安徽机电职业技术学院 | Reinforcing rod structure of rear auxiliary automotive chassis |
| CN108688727A (en) * | 2018-07-27 | 2018-10-23 | 北京新能源汽车股份有限公司 | Auxiliary frame and vehicle |
| CN108688727B (en) * | 2018-07-27 | 2023-12-19 | 北京新能源汽车股份有限公司 | Auxiliary frame and vehicle |
| CN109760744A (en) * | 2019-03-11 | 2019-05-17 | 汉腾汽车有限公司 | A kind of Rear secondary frame for vehicle reinforcement structure |
| CN110901763A (en) * | 2019-09-05 | 2020-03-24 | 宁波拓普汽车电子有限公司 | Integrated lightweight molding three-stage post-constraining auxiliary frame |
| CN112590935A (en) * | 2021-01-07 | 2021-04-02 | 宁波可挺汽车零部件有限公司 | Rear auxiliary frame assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130605 Effective date of abandoning: 20160608 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |