CN105480302A - Subframe structure - Google Patents
Subframe structure Download PDFInfo
- Publication number
- CN105480302A CN105480302A CN201510817640.6A CN201510817640A CN105480302A CN 105480302 A CN105480302 A CN 105480302A CN 201510817640 A CN201510817640 A CN 201510817640A CN 105480302 A CN105480302 A CN 105480302A
- Authority
- CN
- China
- Prior art keywords
- subframe
- plate
- shaped
- cross rail
- front cross
- 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
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
- B62D21/152—Front or rear frames
Abstract
The invention provides a subframe structure, which relates to the field of automobile structures. The subframe structure comprises a subframe main body and a U-shaped front crossbeam, wherein the two ends of the front crossbeam are both square frame-shaped structures; the two ends of the front side of the subframe main body are both recessed U-shaped openings; the two ends of the front crossbeam are respectively inserted into the U-shaped openings at the two ends of the front side of the subframe main body; and the two ends of the front crossbeam are fixedly connected with the two ends of the front side of the subframe main body, respectively. According to the subframe structure provided by the invention, as the end parts, with the square frame-shaped structures, of the front crossbeam are inserted into the recessed U-shaped openings of the end parts of the front side of the subframe main body and are fixedly connected with the recessed U-shaped openings, the anti-bending capacity of the connection part of the front crossbeam and the subframe can be greatly enhanced; therefore, most collision energy is absorbed by the front crossbeam in advance, a large amount of collision energy is prevented from being transmitted to the subframe main body, the probability that drivers and passengers are injured is effectively reduced, and safeties of the drivers and the passengers are ensured.
Description
Technical field
The present invention relates to vehicle structure field, particularly relate to a kind of auxiliary frame structure.
Background technology
Subframe can regard the skeleton of tandem axle as, is the key components of tandem axle, is the support supporting tandem axle, suspension, makes vehicle bridge, hang and be connected with vehicle body by it again about it.
Constantly add sternly along with to the requirement of vehicle passive safety, the distortion of subframe in collision process and energy absorbing demands are also more and more by the concern of automotive engineer, current auxiliary frame structure is butterfly ligament U-shaped front cross beam structure, be specially: two ends of the front cross rail of U-shaped, the top at two ends on front side of its subframe being overlapped on butterfly eliminant respectively, and connected by four tie bolts; And the two ends, front side of two of front cross rail ends and subframe are simple steel plate form, connection is therebetween the simple joint form of steel plate and steel plate, makes the intensity of its junction very limited.
Therefore, in the moment of auto against, due to front cross rail and subframe junction insufficient strength, cause subframe anterior end can absorb most of collision energy, and conquassation distortion rapidly, and then can a large amount of collision energy be passed on subframe, make the safety of navigating mate be subject to great threat.
Summary of the invention
The invention provides a kind of auxiliary frame structure, strengthen the resistance to bending of front cross rail and subframe body junction, most of collision energy is absorbed by front cross rail, avoids a large amount of collision energy to be passed on subframe body, ensure the safety of navigating mate.
Especially, the invention provides a kind of auxiliary frame structure, comprise: subframe body and U-shaped front cross rail, the two ends of described front cross rail are frame type structure, two ends on front side of described subframe body are the U-shaped opening of indent, the U-shaped opening at two ends on front side of described subframe body is inserted at the two ends of described front cross rail respectively, and the two ends of described front cross rail are fixedly connected with two ends on front side of described subframe body respectively.
Further, described U-shaped front cross rail comprises front cross rail body and two bending side bars, and the two ends of described front cross rail body are connected with the first end of a side bar respectively, and the second end of described side bar is connected with described subframe body.
Further, described front cross rail body comprises the front and rear panels of fastening, and described side bar comprises upper plate and the lower plate of fastening, and described upper plate and lower plate are provided with reinforced rib.
Further, described side bar also comprises perforation and middle sleeve, described upper plate and lower plate are provided with perforation corresponding to position, and described middle sleeve is arranged on the position of corresponding described perforation between described upper plate and lower plate.
Further, described side bar also comprises bar shaped brace panel, and described bar shaped brace panel is arranged between described upper plate and lower plate, and described bar shaped brace panel is provided with reinforced rib.
Especially, described subframe body comprises subframe upper plate, subframe lower plate, two U-shaped plates, described subframe upper plate and described subframe lower plate fasten, two described U-shaped plates are all between described subframe upper plate and described subframe lower plate, and two described U-shaped plates are separately positioned on the two ends on front side of described subframe upper plate, the second end of described side bar inserts described U-shaped intralamellar part and is fixedly connected with.
Further, two sidewalls of described subframe upper plate, described U-shaped plate, described subframe lower plate are disposed with via hole corresponding to position, the base plate of described U-shaped plate is provided with boss, described boss is provided with connecting bore, two sidewall edge of described U-shaped plate, the base plate inside edge of described U-shaped plate are provided with flange, and the sidewall on the upside of described subframe upper plate and described U-shaped plate is respectively arranged with the strip bulge of working in coordination.
Further, described subframe body also comprises two L-type brace panels, a L-type brace panel is set between each U-shaped plate and described subframe lower plate, sidewall on the downside of the sidewall of described L-type brace panel and described U-shaped plate is fitted, the base plate of described L-type brace panel is parallel with the base plate of described U-shaped plate, and the sidewall of described L-type brace panel is respectively arranged with auxiliary hole, the via hole corresponding with the mistake hole site on sidewall on the downside of described U-shaped plate, the base plate of described L-type brace panel is provided with the connecting bore corresponding with connecting bore position on described U-shaped plate base plate.
Further, described auxiliary frame structure also comprises tie bolt and nut, described nut is arranged in the via hole of described subframe upper plate, described tie bolt is successively through the via hole on sidewall on the upside of the via hole on sidewall on the downside of the via hole on the via hole of subframe lower plate, L-type brace panel sidewall, U-shaped plate, the end of front cross rail, U-shaped plate, and described tie bolt is connected with described nut.
Further, described front cross rail is overall butt-welding type structure.
Auxiliary frame structure provided by the invention, by the end of the front cross rail by frame type structure, insert the U-shaped opening of indent of subframe body anterior end, and be fixedly connected with, greatly can strengthen the resistance to bending of front cross rail and subframe junction, most of collision energy is absorbed by front cross rail in advance, avoid a large amount of collision energy to be passed on subframe body, the chance of injury of effective reduction driver and crew, ensures the safety of driver and crew.
According to hereafter by reference to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will understand above-mentioned and other objects, advantage and feature of the present invention more.
Accompanying drawing explanation
Hereinafter describe specific embodiments more of the present invention with reference to the accompanying drawings by way of example, and not by way of limitation in detail.Reference numeral identical in accompanying drawing denotes same or similar parts or part.It should be appreciated by those skilled in the art that these accompanying drawings may not be drawn in proportion.In accompanying drawing:
Fig. 1 is the schematic diagram of the auxiliary frame structure of one embodiment of the invention;
Fig. 2 is front cross beam structure schematic diagram;
Fig. 3 is subframe body construction schematic diagram;
Fig. 4 is U-shaped plate structure schematic diagram;
Fig. 5 is L-type brace panel structural representation;
Fig. 6 is the structural representation that subframe body coordinates with front cross rail.
In figure, each symbol represents that implication is as follows:
1 front cross rail,
2 front cross rail bodies,
21 header boards, plate after 22,
3 side bars,
31 upper plates,
32 lower plates,
33 bar shaped brace panels,
34 reinforced ribs,
35 perforation,
36 middle sleeves,
4 subframe bodies,
41 subframe upper plates,
42 subframe lower plates,
43U template, 431 sidewalls, 432 base plates, 433 boss, 434 connecting bores, 435 flange,
44 via holes, 45 strip bulges,
46L type brace panel, 461 auxiliary holes,
5 tie bolts,
6 nuts,
7 lower swing arms.
Detailed description of the invention
The invention provides a kind of auxiliary frame structure, strengthen front cross rail 1 and the resistance to bending of subframe body 4 junction, most of collision energy is absorbed by front cross rail 1, avoids a large amount of collision energy to be passed on subframe body 4, ensure the safety of navigating mate.
Fig. 1 is the schematic diagram of the auxiliary frame structure of one embodiment of the invention.As shown in Figure 1, auxiliary frame structure comprises:
Subframe body 4 and U-shaped front cross rail 1, the two ends of described front cross rail 1 are frame type structure, two ends on front side of described subframe body 4 are the U-shaped opening of indent, the U-shaped opening at two ends on front side of described subframe body 4 is inserted at the two ends of described front cross rail 1 respectively, and the two ends of described front cross rail 1 are fixedly connected with two ends on front side of described subframe body 4 respectively.
Different with the simple joint form of steel plate from prior art steel plate, auxiliary frame structure provided by the invention, by the end of the front cross rail 1 by frame type structure, insert the U-shaped opening of indent of subframe body 4 anterior end, and be fixedly connected with, cross section after both assemblings is similar " twoport " structure, greatly can strengthen the resistance to bending of front cross rail 1 and subframe body 4 junction, namely the cross section composite bending modulus in this region is made significantly to promote, most of collision energy is absorbed by front cross rail 1 in advance, reduce front wall mainboard intrusion volume, a large amount of collision energy is avoided to be passed on subframe body 4, the chance of injury of effective reduction driver and crew, ensure the safety of driver and crew.
In addition, Fig. 2 is front cross rail 1 structural representation, as shown in Figure 2, in the present embodiment, described U-shaped front cross rail 1 comprises front cross rail body 2 and two bending side bars 3, the two ends of described front cross rail body 2 are connected with the first end of a side bar 3 respectively, and the second end of described side bar 3 is connected with described subframe body 4.
Wherein, side bar 3 suitably bends according to actual conditions, also can arrange groove on side bar 3, can make the resistance to bending manual control of side bar 3, be convenient to the absorption to collision energy.
In addition, as shown in Figure 2, in the present embodiment, described front cross rail body 2 comprises header board 21 and the rear plate 22 of fastening, and described side bar 3 comprises upper plate 31 and the lower plate 32 of fastening, and described upper plate 31 and lower plate 32 are provided with reinforced rib 34.Described side bar 3 also comprises perforation 35 and middle sleeve 36, and described upper plate 31 and lower plate 32 are provided with perforation corresponding to position 35, and described middle sleeve 36 is arranged on the position of corresponding described perforation 35 between described upper plate 31 and lower plate 32.
Wherein, the form that front cross rail body 2 and side bar 3 all adopt two boards to fasten, so can so that form frame type structure, and the setting of reinforced rib 34 can increase bending strength; And connection arranges middle sleeve 36 between general perforation 35, two perforation 35 arranging correspondence on the upper plate 31 and lower plate 32 of side bar 3 end respectively, for holding the tie bolt 5 connecting front cross rail 1 and subframe body 4; Tie bolt 5 quantity that perforation 35 and middle sleeve 36 quantity can be arranged according to actual needs, correspondence is arranged flexibly.
In addition, as shown in Figure 2, side bar 3 described in the present embodiment also comprises bar shaped brace panel 33, and described bar shaped brace panel 33 is arranged between described upper plate 31 and lower plate 32, and described bar shaped brace panel 33 is provided with reinforced rib 34.
Particularly, two side bars 3 symmetrically structure.
More specifically, Fig. 3 is subframe body 4 structural representation, as shown in Figure 3, in the present embodiment, described subframe body 4 comprises subframe upper plate 41, subframe lower plate 42, two U-shaped plates 43, described subframe upper plate 41 fastens with described subframe lower plate 42, two described U-shaped plates 43 are all between described subframe upper plate 41 and described subframe lower plate 42, and two described U-shaped plates 43 are separately positioned on the two ends on front side of described subframe upper plate 41, it is inner and be fixedly connected with that the second end of described side bar 3 inserts described U-shaped plate 43.
Wherein, subframe upper plate 41, subframe lower plate 42 all adopt the overall punch forming of individual layer steel plate, and for the upper and lower plate of split butt-welding type, intensity can significantly promote, and can reduce welding deformation, improve dimensional accuracy and the conformability of product; U-shaped plate 43 is folded between subframe upper plate 41, subframe lower plate 42, and U-shaped plate 43 opening is to the front side of subframe body 4, and namely towards front cross rail 1 direction, the end so can being convenient to front cross rail 1 is inserted U-shaped plate 43 opening from front side and connected.
In addition, Fig. 4 is U-shaped plate 43 structural representation, Fig. 6 is the structural representation that subframe body 4 coordinates with front cross rail 1, as shown in Figure 4, also can see Fig. 6, in the present embodiment, described subframe upper plate 41, two sidewalls 431 of described U-shaped plate 43, described subframe lower plate 42 are disposed with via hole corresponding to position 44, the base plate 432 of described U-shaped plate 43 is provided with boss 433, described boss 433 is provided with connecting bore 434, and base plate 432 inside edge of described U-shaped plate 43 is provided with flange 435;
Wherein, the via hole 44 that in two sidewalls 431 of subframe upper plate 41, U-shaped plate 43, subframe lower plate 42, position is corresponding, for holding the tie bolt 5 connecting front cross rail 1 and subframe body 4; The setting of boss 433 both can strengthen U-shaped plate 43 intensity, and lower swing arm 7 realizes the connection with subframe body 4 by the connecting bore 434 of boss 433, and therefore, boss 433 can lead for the assembling of point before lower swing arm 7 again simultaneously, and practical application is very convenient; And two sidewall 431 edges up and down of U-shaped plate 43 are provided with duck tongue type flange 435, preferably, be provided with duck tongue type Y-direction guide turnup 435 outside sidewall 431, front side is provided with duck tongue type X to guide turnup 435, be respectively used to insert in U-shaped plate 43 front cross rail 1 end, carry out X to the guiding with Y-direction; And base plate 432 inside edge of U-shaped plate 43 is provided with the flange 435 strengthened.
In addition, as shown in Figure 3, also can see Fig. 4, in the present embodiment, sidewall 431 on the upside of described subframe upper plate 41 and described U-shaped plate 43 being respectively arranged with the strip bulge 45 of working in coordination, for dodging the Z-direction operational space of dismantling devices, intensity and the rigidity at this place can being strengthened simultaneously.
Further illustrate, Fig. 5 is L-type brace panel 46 structural representation, as shown in Figure 5, also can see Fig. 3, in the present embodiment, described subframe body 4 also comprises two L-type brace panels 46, a L-type brace panel 46 is set between each U-shaped plate 43 and described subframe lower plate 42, the sidewall 431 of described L-type brace panel 46 is fitted with the sidewall 431 on the downside of described U-shaped plate 43, the base plate 432 of described L-type brace panel 46 is parallel with the base plate 432 of described U-shaped plate 43, and the sidewall 431 of described L-type brace panel 46 is respectively arranged with auxiliary hole 461, the via hole 44 corresponding with via hole 44 position on sidewall 431 on the downside of described U-shaped plate 43, the base plate 432 of described L-type brace panel 46 is provided with the connecting bore 434 corresponding with connecting bore 434 position on described U-shaped plate 43 base plate 432, for connecting point before lower swing arm 7.
In addition, as shown in Figure 3, also can see Fig. 1, in the present embodiment, described auxiliary frame structure also comprises tie bolt 5 and nut 6, described nut 6 is arranged in the via hole 44 of described subframe upper plate 41, and described tie bolt 5 is successively through the via hole 44 on sidewall 431 on the upside of the end of the via hole 44 on sidewall 431 on the downside of the via hole 44 on the via hole 44 of subframe lower plate 42, L-type brace panel 46 sidewall 431, U-shaped plate 43, front cross rail 1, U-shaped plate 43, and described tie bolt 5 is connected with described nut 6.
Wherein, L-type brace panel 46 and U-shaped plate 43 are fitted, and the via hole 44 on L-type brace panel 46 should be corresponding with the via hole 44 of U-shaped plate 43; Nut 6 is not fitted with subframe upper plate 41, but the diameter of nut 6 is slightly less than the diameter of via hole 44 on subframe upper plate 41, fit with U-shaped plate 43 upper surface after making nut 6 can pass through this via hole 44, thus the arrangement space of Z-direction (car load above-below direction) can be saved; Via hole 44 simultaneously on subframe upper plate 41 is for being approximately parallel to the layout of X to (car load fore-and-aft direction), the benefit of such layout is, after front cross rail 1 assembles, the Y-direction dismounting space of the tie bolt 5 that inner side is put before can dodging lower swing arm 7, outside is unlikely to again to occupy the tire enveloping space.
Meanwhile, in the present embodiment, described front cross rail 1 is overall butt-welding type structure.The present embodiment front cross rail 1 adopts overall butt-welding type structure, and can greatly reduce assembly process, practical application is with the obvious advantage.
Present invention also offers the assembly and disassembly methods between above-described subframe body 4 and front cross rail 1, so that after-sales maintenance service.Below for installation step, be described as follows:
A), by front-end module space constraint, front cross rail 1 can not directly by among the U-shaped opening in car load front loaded subframe body 4 front end, but according to the leading dimensions of concrete dynamic assembly, first by front cross rail 1 by car load Y-direction, namely horizontal plug-in mounting enters in the U-shaped opening in subframe body 4 front end;
B) and then along car load X-direction suitable mobile front cross rail 1 backward, to guarantee that four via holes 44 via hole 44 that is basic and subframe body 4U type opening part on front cross rail 1 left/right side bar 3 aligns;
C) left side U-shaped opening part one group of via hole 44 is rearward aligned, further, and with tie bolt 5 pretension;
D) right side U-shaped opening part one group of via hole 44 rearward, is and then aligned, and with tie bolt 5 pretension;
E), finally respectively two groups of remaining via holes 44 are connected with two tie bolts 5 again, and four tie bolts 5 are all seated by as prescribed moment.As shown in Figure 6, because tie bolt 5 and boss 433 to stagger certain distance in car load Y-direction, reserved lower swing arm 7 separately dismounting time instrument operational space.Visible, this fitting process can not have influence on the assembling between lower swing arm 7 and subframe body 4 completely.In like manner, on the contrary unloading process between front cross rail 1 and subframe body 4 then.
So far, those skilled in the art will recognize that, although multiple exemplary embodiment of the present invention is illustrate and described herein detailed, but, without departing from the spirit and scope of the present invention, still can directly determine or derive other modification many or amendment of meeting the principle of the invention according to content disclosed by the invention.Therefore, scope of the present invention should be understood and regard as and cover all these other modification or amendments.
Claims (10)
1. an auxiliary frame structure, it is characterized in that, comprise: subframe body and U-shaped front cross rail, the two ends of described front cross rail are frame type structure, two ends on front side of described subframe body are the U-shaped opening of indent, the U-shaped opening at two ends on front side of described subframe body is inserted at the two ends of described front cross rail respectively, and the two ends of described front cross rail are fixedly connected with two ends on front side of described subframe body respectively.
2. auxiliary frame structure according to claim 1, it is characterized in that, described U-shaped front cross rail comprises front cross rail body and two bending side bars, and the two ends of described front cross rail body are connected with the first end of a side bar respectively, and the second end of described side bar is connected with described subframe body.
3. auxiliary frame structure according to claim 2, is characterized in that, described front cross rail body comprises the front and rear panels of fastening, and described side bar comprises upper plate and the lower plate of fastening, and described upper plate and lower plate are provided with reinforced rib.
4. auxiliary frame structure according to claim 3, it is characterized in that, described side bar also comprises perforation and middle sleeve, described upper plate and lower plate are provided with perforation corresponding to position, and described middle sleeve is arranged on the position of corresponding described perforation between described upper plate and lower plate.
5. auxiliary frame structure according to claim 4, is characterized in that, described side bar also comprises bar shaped brace panel, and described bar shaped brace panel is arranged between described upper plate and lower plate, and described bar shaped brace panel is provided with reinforced rib.
6. auxiliary frame structure according to claim 2, it is characterized in that, described subframe body comprises subframe upper plate, subframe lower plate, two U-shaped plates, described subframe upper plate and described subframe lower plate fasten, two described U-shaped plates are all between described subframe upper plate and described subframe lower plate, and two described U-shaped plates are separately positioned on the two ends on front side of described subframe upper plate, the second end of described side bar inserts described U-shaped intralamellar part and is fixedly connected with.
7. auxiliary frame structure according to claim 6, it is characterized in that, two sidewalls of described subframe upper plate, described U-shaped plate, described subframe lower plate are disposed with via hole corresponding to position, the base plate of described U-shaped plate is provided with boss, described boss is provided with connecting bore, two sidewall edge of described U-shaped plate, the base plate inside edge of described U-shaped plate are provided with flange, and the sidewall on the upside of described subframe upper plate and described U-shaped plate is respectively arranged with the strip bulge of working in coordination.
8. auxiliary frame structure according to claim 7, it is characterized in that, described subframe body also comprises two L-type brace panels, a L-type brace panel is set between each U-shaped plate and described subframe lower plate, sidewall on the downside of the sidewall of described L-type brace panel and described U-shaped plate is fitted, the base plate of described L-type brace panel is parallel with the base plate of described U-shaped plate, and the sidewall of described L-type brace panel is respectively arranged with auxiliary hole, with the via hole that hole site is corresponding excessively on sidewall on the downside of described U-shaped plate, the base plate of described L-type brace panel is provided with the connecting bore corresponding with connecting bore position on described U-shaped plate base plate.
9. auxiliary frame structure according to claim 8, it is characterized in that, described auxiliary frame structure also comprises tie bolt and nut, described nut is arranged in the via hole of described subframe upper plate, described tie bolt is successively through the via hole on sidewall on the upside of the via hole on sidewall on the downside of the via hole on the via hole of subframe lower plate, L-type brace panel sidewall, U-shaped plate, the end of front cross rail, U-shaped plate, and described tie bolt is connected with described nut.
10. the auxiliary frame structure according to any one of claim 1-9, is characterized in that, described front cross rail is overall butt-welding type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510817640.6A CN105480302A (en) | 2015-11-23 | 2015-11-23 | Subframe structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510817640.6A CN105480302A (en) | 2015-11-23 | 2015-11-23 | Subframe structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105480302A true CN105480302A (en) | 2016-04-13 |
Family
ID=55667669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510817640.6A Pending CN105480302A (en) | 2015-11-23 | 2015-11-23 | Subframe structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN105480302A (en) |
Cited By (9)
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| CN106828605A (en) * | 2017-01-25 | 2017-06-13 | 安徽江淮汽车集团股份有限公司 | A kind of auxiliary frame structure |
| CN107985001A (en) * | 2017-12-08 | 2018-05-04 | 阿尔特汽车技术股份有限公司 | Aluminum-steel hybrid torsion girder construction |
| CN110843914A (en) * | 2019-10-29 | 2020-02-28 | 万向钱潮股份有限公司 | Auxiliary frame of automobile |
| CN111232056A (en) * | 2018-11-29 | 2020-06-05 | 长城汽车股份有限公司 | Front beam of rear auxiliary frame |
| CN111376975A (en) * | 2018-12-28 | 2020-07-07 | 观致汽车有限公司 | A platform-based sub vehicle frame for vehicle |
| CN112441121A (en) * | 2020-12-02 | 2021-03-05 | 东风柳州汽车有限公司 | Collision failure structure of vehicle body and auxiliary vehicle frame |
| CN113650460A (en) * | 2021-08-18 | 2021-11-16 | 东风柳州汽车有限公司 | Swing arm connecting piece and swing arm assembly of suspension system |
| CN114506391A (en) * | 2020-11-17 | 2022-05-17 | 马自达汽车株式会社 | Front body structure of vehicle |
| CN115214776A (en) * | 2021-08-30 | 2022-10-21 | 广州汽车集团股份有限公司 | Preceding sub vehicle frame assembly and car |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106828605A (en) * | 2017-01-25 | 2017-06-13 | 安徽江淮汽车集团股份有限公司 | A kind of auxiliary frame structure |
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| CN114506391A (en) * | 2020-11-17 | 2022-05-17 | 马自达汽车株式会社 | Front body structure of vehicle |
| CN114506391B (en) * | 2020-11-17 | 2023-04-28 | 马自达汽车株式会社 | Front body structure of vehicle |
| CN112441121A (en) * | 2020-12-02 | 2021-03-05 | 东风柳州汽车有限公司 | Collision failure structure of vehicle body and auxiliary vehicle frame |
| CN113650460A (en) * | 2021-08-18 | 2021-11-16 | 东风柳州汽车有限公司 | Swing arm connecting piece and swing arm assembly of suspension system |
| CN113650460B (en) * | 2021-08-18 | 2023-07-07 | 东风柳州汽车有限公司 | Suspension system swing arm connecting piece and swing arm assembly |
| CN115214776A (en) * | 2021-08-30 | 2022-10-21 | 广州汽车集团股份有限公司 | Preceding sub vehicle frame assembly and car |
| CN115214776B (en) * | 2021-08-30 | 2024-04-23 | 广州汽车集团股份有限公司 | Front auxiliary frame assembly and automobile |
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