CN109823407A - A thermoformed body frame structure - Google Patents

A thermoformed body frame structure Download PDF

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Publication number
CN109823407A
CN109823407A CN201910178185.8A CN201910178185A CN109823407A CN 109823407 A CN109823407 A CN 109823407A CN 201910178185 A CN201910178185 A CN 201910178185A CN 109823407 A CN109823407 A CN 109823407A
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CN
China
Prior art keywords
plate
column
thermoforming
body frame
frame structure
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Pending
Application number
CN201910178185.8A
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Chinese (zh)
Inventor
蒋海林
朱红霞
熊建华
王国军
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.)
Chongqing Jinkang Sailisi New Energy Automobile Design Institute Co Ltd
Original Assignee
Chongqing Branch of DFSK Motor Co Ltd
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Publication date
Application filed by Chongqing Branch of DFSK Motor Co Ltd filed Critical Chongqing Branch of DFSK Motor Co Ltd
Priority to CN201910178185.8A priority Critical patent/CN109823407A/en
Publication of CN109823407A publication Critical patent/CN109823407A/en
Pending legal-status Critical Current

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Abstract

本发明公开了一种热成型车身框架结构,包括一对左右对称设置的加强组件,加强组件包括:设置在A柱上的A柱下加强板、设置在B柱上的B柱加强板、设置在前门内的前门防撞板、设置在后门内的后门防撞板、设置在后备箱底下的后纵梁、设置在前纵梁内的前纵梁内加强板以及设置在前地板上部的地板上加强纵梁,A柱下加强板的一端连接有A柱上加强板,B柱加强板的上部设置有侧围上边梁加强板,且A柱上加强板的一端与侧围上边梁加强板的一端连接。本发明提供的热成型车身框架结构,通过合理布局总体车身骨架的加强结构,能有效优化乘员舱传力路径、提高结构强度,有效对抗在汽车正面、偏置、侧面、后部碰撞,减少热成型件使用数量,降低生产成本。

The invention discloses a thermoforming vehicle body frame structure, comprising a pair of left-right symmetrically arranged reinforcement components, the reinforcement components include: an A-pillar lower reinforcement plate arranged on the A-pillar, a B-pillar reinforcement plate arranged on the B-pillar, Front door bumper plate in the front door, rear door bumper plate disposed in the rear door, rear side member disposed under the trunk, front side member inner reinforcement plate disposed in the front side member and floor disposed in the upper part of the front floor The upper reinforcing longitudinal beam, one end of the lower reinforcing plate of the A-pillar is connected with the upper reinforcing plate of the A-pillar, the upper part of the reinforcing plate of the B-pillar is provided with the reinforcing plate of the side girder, and one end of the upper reinforcing plate of the A-pillar is connected with the reinforcing plate of the upper girder of the side girder one end of the connection. The thermoformed body frame structure provided by the present invention can effectively optimize the force transmission path of the passenger compartment, improve the structural strength, effectively resist collisions at the front, offset, side and rear of the vehicle, and reduce heat The number of molded parts used reduces production costs.

Description

A kind of thermoforming car body frame structure
Technical field
The present invention relates to auto Body Technology field, in particular to a kind of thermoforming car body frame structure.
Background technique
Currently, ownership is more and more per capita for automobile, and collision safety performance receives with the fast development of automobile industry Extensive concern.The bus body strength collision performance of automobile is most important, and body shell is the skeleton of entire automobile, complete automobile collision contribution Rate is 60% or more, so improving the intensity of white body has vital effect to collision security performance.
In automobile front, biasing, side, rear impact, external object intrusion volume and body distortion amount are in impact test Evaluate an important indicator of vehicle body safety.To promote safety of the driver and passenger in collision accident, improve in crash tests Evaluation, common counte-rplan are in vehicle body force part using a large amount of high strength steel, even thermoforming components, in the hope of Increase the intensity of entire crew module.In existing vehicle body design, many vehicles have all largely used thermoforming process, but in structure cloth It is unreasonable in office, Path of Force Transfer, there can be the disadvantages of increasing body material increased costs, vehicle body self weight, anti-collision effect is not Obviously.
Summary of the invention
In order to solve problems in the prior art, the embodiment of the invention provides a kind of thermoforming car body frame structure, with gram Clothes in the prior art intensity using a large amount of thermoforming part to reinforce body frame when, due in topology layout, Path of Force Transfer It is unreasonable, cause to cause the problems such as performance is superfluous, and cost is excessively high, anti-collision effect is unobvious in partial region.
To solve above-mentioned one or more technical problems, the technical solution adopted by the present invention is that:
A kind of thermoforming car body frame structure, including the stiffener assembly that a pair is symmetrical set, the stiffener assembly packet It includes: the A column lower reinforcing plate 1 that is arranged on A column, the B column reinforcement plate 2 being arranged on B column, the front door Crashworthy plate being arranged in front door 3, the back door Crashworthy plate 4 that is arranged in back door, the floor side member 5 being arranged under boot, the front longitudinal beam being arranged in front longitudinal beam Interior stiffening plate 7 and reinforcement stringer 8 is set on the floor on preceding floor top, one end of the A column lower reinforcing plate 1 is connected with A Column upper reinforcing plate 6, the top of the B column reinforcement plate 2 are provided with side wall roof side rail stiffening plate 9, and the A column upper reinforcing plate 6 One end is connect with one end of the side wall roof side rail stiffening plate 9.
Further, front door upper hinge hole, front door lower hinge hole and the first patch are provided on the A column lower reinforcing plate Plate, the first patch plate are arranged between front door upper hinge hole and front door lower hinge hole.
Further, have a back door connection upper hinge hole, back door lower hinge hole and the second patch plate are set on the B column reinforcement plate, The top in back door upper hinge hole is arranged in the second patch plate.
Further, the front door Crashworthy plate is arranged in the front door from the upper left corner to lower right corner penetration type.
Further, upper lateral arrangement of the back door Crashworthy plate in the back door.
Further, the floor side member includes intensity region and low-intensity area, and the intensity region setting is vertical after described Rear 1/4 region of the floor side member is arranged in preceding 3/4 region of beam, the low-intensity area.
Further, third patch plate is provided on the A column upper reinforcing plate, the third patch plate is positioned close to institute State the side of A column lower reinforcing plate.
Further, reinforce stringer in the front longitudinal beam on stiffening plate and the floor mutually to fasten, form box-like structure.
Further, the thermoforming car body frame structure further includes threshold side bar stiffening plate, and the threshold side bar is reinforced The both ends of plate are connect with the A column lower reinforcing plate and the B column reinforcement plate respectively, and the threshold side bar stiffening plate, the A Column lower reinforcing plate, the A column upper reinforcing plate, the side wall roof side rail stiffening plate and the B column reinforcement plate connect to form closing Ring structure.
Further, electrophoresis hole and location hole are provided on the first patch plate.
Technical solution provided in an embodiment of the present invention has the benefit that
1, thermoforming car body frame structure provided in an embodiment of the present invention, passes through the reinforcement of rational deployment totality body frame Structure can effectively optimize crew module's Path of Force Transfer, improve structural strength, effectively antagonize in automobile front, biasing, side, rear portion Collision;
2, thermoforming car body frame structure provided in an embodiment of the present invention, passes through the reinforcement of rational deployment totality body frame Structure reduces thermoforming part usage quantity, reduces production cost.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.
Fig. 1 is the side view of thermoforming car body frame structure shown according to an exemplary embodiment;
Fig. 2 is the structural schematic diagram of A column reinforcement plate assembly and patch plate shown according to an exemplary embodiment;
Fig. 3 is the structural schematic diagram of B column reinforcement plate and patch plate shown according to an exemplary embodiment;
Fig. 4 is the structural schematic diagram of floor side member shown according to an exemplary embodiment;
Fig. 5 is the structural representation for reinforcing stringer in front longitudinal beam shown according to an exemplary embodiment on stiffening plate and floor Figure;
Fig. 6 is the schematic diagram of thermoforming car body frame structure part-structure shown according to an exemplary embodiment.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached in the embodiment of the present invention Figure, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only this Invention a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art exist Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " vertical ", " parallel " "center", " longitudinal direction ", " transverse direction ", The orientation of the instructions such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" or Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not It can be interpreted as limitation of the present invention.In addition, term " first ", " second " are used for description purposes only, and should not be understood as indicating Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " are defined as a result, Feature can explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, The meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.
Thermoforming car body frame structure provided in an embodiment of the present invention includes a pair of stiffener assembly being symmetrical set. The stiffener assembly is made of multiple thermoformed parts, which optimizes thermoforming zero by reasonable Arrangement thermoformed part The quantity of part can not only reinforce the intensity of body frame, may also reach up the effect of control vehicle body cost.It needs exist for illustrating , the thermoformed part that stiffener assembly is formed in the embodiment of the present invention includes two that the body of a motor car left side and the right is arranged in It is a.
Fig. 1 is the side view of thermoforming car body frame structure shown according to an exemplary embodiment, shown referring to Fig.1, The stiffener assembly include: A column lower reinforcing plate 1, B column reinforcement plate 2, front door Crashworthy plate 3, back door Crashworthy plate 4, floor side member 5, on A column Stiffening plate 7 in stiffening plate 6, front longitudinal beam reinforces stringer 8 and side wall roof side rail stiffening plate 9 on floor.Wherein, A column lower reinforcing plate 1 It is arranged on A column, B column reinforcement plate 2 is arranged on B column, and front door Crashworthy plate 3 is set in automobile front door, and the setting of back door Crashworthy plate 4 exists In back door, floor side member 5 is arranged under boot, and stiffening plate 7 is arranged in front longitudinal beam in front longitudinal beam, reinforces stringer 8 on floor The top on preceding floor is set.One end of A column upper reinforcing plate 6 is connect with one end of A column lower reinforcing plate 1, on the other end and side wall One end of side bar stiffening plate 9 connects.Reinforce stringer 8 in the other end of A column lower reinforcing plate 1 on stiffening plate 7 and floor in front longitudinal beam (one end far from A column upper reinforcing plate 6), and stiffening plate 7 in front longitudinal beam, reinforce stringer 8 and A column lower reinforcing plate 1 on floor and do not connect It connects.The top of B column reinforcement plate 2 is arranged in side wall roof side rail stiffening plate 9, and on A column lower reinforcing plate 1, A column upper reinforcing plate 6, side wall Side bar stiffening plate 9, B column reinforcement plate 2 successively overlap, and form semi-enclosed ring structure.
Using welded connecting between side wall roof side rail stiffening plate 9 and other assemblies.What needs to be explained here is that automobile side Side wall stiffening plate (the i.e. side wall roof side rail stiffening plate) assembly being welded into could be formed with the frame structure of effect resistance to deformation, and The structure reduces welding sequence convenient for welding, reduces welding production cost.
As a kind of preferably embodiment, in the present embodiment, front door upper hinge is provided on the A column lower reinforcing plate 1 Hole 11a, front door lower hinge hole 11b and the first patch plate 12, the first patch plate 11 are arranged in front door upper hinge hole 11a Between front door lower hinge hole 11b.
Specifically, Fig. 2 is the structural representation of A column reinforcement plate assembly and patch plate shown according to an exemplary embodiment Figure, referring to shown in Fig. 2, the top of front door lower hinge hole 11b is arranged in front door upper hinge hole 11a, and automobile front door is pacified by hinge In front door upper hinge hole 11a and front door lower hinge hole 11b, so that automobile front door be made to be connected to A column lower reinforcing plate 1 and A On column.First patch plate 11 is arranged between front door upper hinge hole 11a and front door lower hinge hole 11b.A column lower reinforcing plate 1 uses Thermoforming patch plate technique can locally increase the thickness of part (i.e. A column lower reinforcing plate 1) material, greatly reinforce collision stress The intensity at position squeezes A column lower part to automotive interior to touch blastic deformation with reply biasing.
As a kind of preferably embodiment, in the present embodiment, setting has a back door connection upper hinge hole on the B column reinforcement plate 2 21a, back door upper hinge hole 21b and the second patch plate 22, the second patch plate 22 are arranged in back door upper hinge hole 21a's Top.
Specifically, Fig. 3 is the structural schematic diagram of B column reinforcement plate and patch plate shown according to an exemplary embodiment, ginseng According to shown in Fig. 3, the top of back door lower hinge hole 21b is arranged in back door upper hinge hole 21a, after automobile back door is mounted on by hinge In door upper hinge hole 21a and back door lower hinge hole 21b, so that automobile back door be made to be connected on B column reinforcement plate and B column.Second The top of back door upper hinge hole 21a is arranged in patch plate 22.What needs to be explained here is that in the top of back door upper hinge hole 21a Increase by one section of patch plate (i.e. the second patch plate 22), side impact deformation can be coped with, and can achieve patch area not bending, non-benefit The effect of fourth area energy-absorbing.
As a kind of preferably embodiment, in the present embodiment, the front door Crashworthy plate 3 is in the front door from the upper left corner It is arranged to lower right corner penetration type.
Specifically, in order to cope with the collision impact from side, thermoforming is arranged in the embodiment of the present invention in automobile front door Strengthening version (i.e. front door Crashworthy plate 3), to guarantee the safety of driver and passenger.Front door Crashworthy plate 3 is in front door from the upper left corner to the right side Inferior horn penetration type arrangement is provided with is conducive to collision impact of the reply from side in this way.
As a kind of preferably embodiment, in the present embodiment, upper lateral of the back door Crashworthy plate 4 in the back door To arrangement.
Specifically, likewise, in order to cope with the collision impact from side, the embodiment of the present invention is arranged in automobile back door Thermoforming strengthening version (i.e. back door Crashworthy plate 4), to guarantee the safety of back seat personnel.Back door Crashworthy plate 4 is in automobile back door Interior top (glass stops side mouthful) lateral arrangement, is provided with is conducive to collision impact of the reply from side in this way.
As a kind of preferably embodiment, in the present embodiment, the floor side member 5 includes intensity region and low-intensity area, 3/4 region before the floor side member 5 is arranged in the intensity region, and rear the 1/4 of the floor side member 5 is arranged in the low-intensity area Region.
Specifically, Fig. 4 is the structural schematic diagram of floor side member shown according to an exemplary embodiment, referring to shown in Fig. 4, after 5 ontology of stringer uses the technique of variable strength thermoforming, and it is intensity region (51) at preceding 3/4 region that design, which has soft or hard differentiation, Intensity is low-intensity area (52) at rear 1/4 region, intensity is between 750~950MPa between 1350~1500MPa.Will after Stringer 5 is arranged to soft or hard subregion, is conducive to rear impact in the case where not influencing crew module's safety, plays energy-absorbing function.
As a kind of preferably embodiment, in the present embodiment, third patch plate is provided on the A column upper reinforcing plate 6 61, the third patch plate 61 is positioned close to the side of the A column lower reinforcing plate 1.
Specifically, third patch plate 61 is arranged on A column upper reinforcing plate 6 to be added under A column shown in referring further to Figure 2 The side of strong plate 1, A column upper reinforcing plate 6 equally use thermoforming patch plate technique, can locally increase part and (reinforce on A column Plate 6) material thickness, greatly reinforce collision force part intensity, thus with reply biasing touch blastic deformation, make A column top It is not easy bending.
As a kind of preferably embodiment, in the present embodiment, reinforce on stiffening plate 7 and the floor in the front longitudinal beam Stringer 8) mutually fasten, form box-like structure.
Specifically, Fig. 5 is to reinforce stringer on stiffening plate and floor in front longitudinal beam shown according to an exemplary embodiment Structural schematic diagram reinforces the mutually fastening of stringer 8 on stiffening plate 7 and floor in front longitudinal beam, forms box-like structure referring to Figure 5, Setting can play better reinforcing effect in this way.
As a kind of preferably embodiment, in the present embodiment, the thermoforming car body frame structure further includes threshold side Beam stiffening plate 10, the both ends of the threshold side bar stiffening plate 10 respectively with the A column lower reinforcing plate 1 and the B column reinforcement plate 2 Connection, and reinforce on the threshold side bar stiffening plate 10, the A column lower reinforcing plate 1, the B column reinforcement plate 2 and the A column The connection of plate 6 forms closed ring structure.
Specifically, Fig. 6 is the signal of thermoforming car body frame structure part-structure shown according to an exemplary embodiment Figure in the embodiment of the present invention, can also additionally increase by one between A column lower reinforcing plate 1 and B column reinforcement plate 2 referring to shown in Fig. 6 Sill strip (i.e. threshold side bar stiffening plate 10) made of section high-strength steel sheet, so that threshold side bar stiffening plate 10, A column lower reinforcing plate 1, A column upper reinforcing plate 6, side wall roof side rail stiffening plate 9 and the connection of B column reinforcement plate 2 form closed ring structure.Side adds Strong structure mainly copes with offset collision and side collision from 40%.
As a kind of preferably embodiment, in the present embodiment, 121 He of electrophoresis hole is provided on the first patch plate 12 Location hole 122.
Specifically, being provided with electrophoresis hole 121 and location hole 122 on the first patch plate 12 with further reference to shown in figure.It is inciting somebody to action When A column lower reinforcing plate 1 and other components are welded, location hole 122 can play positioning action, facilitate welding.In addition, the Blocked hole 123 is additionally provided on one patch plate 12, blocked hole 123 connects for the first patch plate 12 and internal assembly adhesive board.
In conclusion technical solution provided in an embodiment of the present invention has the benefit that
1, thermoforming car body frame structure provided in an embodiment of the present invention, passes through the reinforcement of rational deployment totality body frame Structure can effectively optimize crew module's Path of Force Transfer, improve structural strength, effectively antagonize in automobile front, biasing, side, rear portion Collision;
2, thermoforming car body frame structure provided in an embodiment of the present invention, passes through the reinforcement of rational deployment totality body frame Structure reduces thermoforming part usage quantity, reduces production cost.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of thermoforming car body frame structure, which is characterized in that described to add including the stiffener assembly that a pair is symmetrical set Strong component includes: the A column lower reinforcing plate (1) being arranged on A column, the B column reinforcement plate (2) being arranged on B column, is arranged in front door Front door Crashworthy plate (3), be arranged in back door back door Crashworthy plate (4), be arranged under boot floor side member (5) setting exist Stiffening plate (7) and reinforcement stringer (8) is set on the floor on preceding floor top in front longitudinal beam in front longitudinal beam, under the A column The top that one end of stiffening plate (1) is connected with A column upper reinforcing plate (6) the B column reinforcement plate (2) is provided with the reinforcement of side wall roof side rail Plate (9), and one end of the A column upper reinforcing plate (6) is connect with one end of the side wall roof side rail stiffening plate (9).
2. thermoforming car body frame structure according to claim 1, which is characterized in that set on the A column lower reinforcing plate (1) It is equipped with front door upper hinge hole (11a), front door lower hinge hole (11b) and the first patch plate (12), the first patch plate (11) sets It sets between front door upper hinge hole (11a) and front door lower hinge hole (11b).
3. thermoforming car body frame structure according to claim 1 or 2, which is characterized in that on the B column reinforcement plate (2) Have a back door connection upper hinge hole (21a), back door lower hinge hole (21b) and the second patch plate (22), the second patch plate (22) are set It is arranged in back door upper hinge hole (21a) top.
4. thermoforming car body frame structure according to claim 1 or 2, which is characterized in that the front door Crashworthy plate (3) exists It is arranged in the front door from the upper left corner to lower right corner penetration type.
5. thermoforming car body frame structure according to claim 1 or 2, which is characterized in that the back door Crashworthy plate (4) exists Upper lateral arrangement in the back door.
6. thermoforming car body frame structure according to claim 1 or 2, which is characterized in that the floor side member (5) includes height Intensity region and low-intensity area, the intensity region setting is in preceding 3/4 region of the floor side member (5), the low-intensity area setting In rear 1/4 region of the floor side member (5).
7. thermoforming car body frame structure according to claim 1 or 2, which is characterized in that the A column upper reinforcing plate (6) On be provided with third patch plate (61), the third patch plate (61) is positioned close to the side of the A column lower reinforcing plate (1).
8. thermoforming car body frame structure according to claim 1 or 2, which is characterized in that stiffening plate in the front longitudinal beam (7) and on the floor reinforce stringer (8) mutually to fasten, form box-like structure.
9. thermoforming car body frame structure according to claim 1 or 2, which is characterized in that the thermoforming body shell Structure further includes threshold side bar stiffening plate (10), and the both ends of the threshold side bar stiffening plate (10) are reinforced under the A column respectively Plate (1) and the B column reinforcement plate (2) connection, and the threshold side bar stiffening plate (10), the A column lower reinforcing plate (1), institute It states A column upper reinforcing plate (6), the side wall roof side rail stiffening plate (9) and the B column reinforcement plate (2) connection and forms closed ring Shape structure.
10. thermoforming car body frame structure according to claim 2, which is characterized in that on the first patch plate (12) It is provided with electrophoresis hole (121) and location hole (122).
CN201910178185.8A 2019-03-08 2019-03-08 A thermoformed body frame structure Pending CN109823407A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112109807A (en) * 2019-06-21 2020-12-22 天津艾康尼克新能源汽车有限公司 Side wall body structure, automobile body and vehicle
CN116529147A (en) * 2021-01-22 2023-08-01 浙江吉利控股集团有限公司 Upright post structure, vehicle body structure and vehicle

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CN204587047U (en) * 2015-04-30 2015-08-26 安徽江淮汽车股份有限公司 Strength beam assembly on a kind of electronlmobil and front floor thereof
CN208264353U (en) * 2018-04-28 2018-12-21 长城汽车股份有限公司 A kind of side wall stiffening plate and vehicle
CN209667217U (en) * 2019-03-08 2019-11-22 东风小康汽车有限公司重庆分公司 A thermoformed body frame structure

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Publication number Priority date Publication date Assignee Title
CN101412409A (en) * 2008-12-02 2009-04-22 重庆长安汽车股份有限公司 Automobile rear longitudinal girder having gradually changing cross section
CN201343064Y (en) * 2008-12-30 2009-11-11 上汽通用五菱汽车股份有限公司 Van B-column reinforcing device
CN102050150A (en) * 2009-10-26 2011-05-11 马自达汽车株式会社 Vehicle body structure
CN204296628U (en) * 2014-12-04 2015-04-29 上海汽车集团股份有限公司 Rear deck Path of Force Transfer structure
CN204472908U (en) * 2015-01-23 2015-07-15 北京汽车股份有限公司 A kind of vehicle side strengthens structure and automobile
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CN209667217U (en) * 2019-03-08 2019-11-22 东风小康汽车有限公司重庆分公司 A thermoformed body frame structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112109807A (en) * 2019-06-21 2020-12-22 天津艾康尼克新能源汽车有限公司 Side wall body structure, automobile body and vehicle
CN116529147A (en) * 2021-01-22 2023-08-01 浙江吉利控股集团有限公司 Upright post structure, vehicle body structure and vehicle

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