CN208036448U - A kind of automobile rear floor frame - Google Patents
A kind of automobile rear floor frame Download PDFInfo
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- CN208036448U CN208036448U CN201820576111.0U CN201820576111U CN208036448U CN 208036448 U CN208036448 U CN 208036448U CN 201820576111 U CN201820576111 U CN 201820576111U CN 208036448 U CN208036448 U CN 208036448U
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- floor
- side member
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- jointing
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Abstract
The utility model is related to body structures, disclose a kind of automobile rear floor frame comprising：Rear floor front beam, rear Floor rear crossbeam, the spare tyre rear cross beam of the left rear longitudinal beam assembly and right floor side member assembly and two longerons of connection that are symmetrical set, automobile rear floor frame is in closed " day " font, and the rear end of left rear longitudinal beam assembly and right floor side member assembly is installed with jointing, the both ends of spare tyre rear cross beam are contained in the rear end of left and right floor side member assembly by the first mounting groove on jointing, and the rear end face of jointing is further opened with the second mounting groove for connecting rear anti-crash mechanism.The spare tyre rear cross beam that the utility model passes through the longitudinal floor beam after the setting connection of the rear portion of automobile rear floor frame is left and right, spare tyre rear cross beam is connected to the rear end of left and right floor side member assembly by jointing, the torsion stiffness of vehicle body can be improved, and when rear portion offset collision occurs, impact force can be distributed to the floor side member assembly of both sides, improve crashworthiness.
Description
Technical field
The utility model is related to body structure technical fields, more particularly to a kind of automobile rear floor frame.
Background technology
With the continuous development of automotive engineering, the fuel economy of automobile, safety and comfort are required higher and higher.
Current automobile rear floor frame is primarily present following deficiency：
1, the rear portion of chassis is in hatch frame, is easily deformed, and dimensional accuracy is not easy to control；
2, the rear portion of chassis does not have crossbeam connection, the torsion stiffness at rear portion poor；
3, during the offset collision of rear portion, due to there was only a side girder stress, stress is unreasonable, and security performance cannot get
Ensure.
4, number of parts is more, and connector is complicated；
5, it is made of Steel material, steel is unfavorable for vehicle body loss of weight since density is big.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of automobile rear floor frame, can be effective
The torsion stiffness of floor frame after raising promotes the comfort property being used for, and collision performance after improvement.
To achieve the goals above, the utility model provides a kind of automobile rear floor frame, including：The left side being symmetrical set
Floor side member assembly and right floor side member assembly and be connected to the left rear longitudinal beam assembly and the right floor side member assembly rearly
Plate front beam, rear Floor rear crossbeam, spare tyre rear cross beam, the left rear longitudinal beam assembly, right floor side member assembly, rear floor front beam,
Floor rear crossbeam and spare tyre rear cross beam are in integrally stud afterwards；
The rear end of the left rear longitudinal beam assembly and the right floor side member assembly is installed with jointing, the spare tyre respectively
Rear cross beam is connect with the left rear longitudinal beam assembly, the right floor side member assembly respectively by the jointing, described to connect
The side of head is equipped with the first mounting groove of the end for accommodating and fixing the spare tyre rear cross beam, and the rear end of the jointing is equipped with
The second mounting groove for installing rear anti-crash mechanism.
Preferably, the side of the jointing is equipped with longitudinally connected plate and is fixed with the front end of longitudinally connected plate
The cross connecting plate of connection, the longitudinally connected plate and cross connecting plate are integrally formed first mounting groove.
Preferably, the front end face of the jointing be equipped with for accommodate and fix the left rear longitudinal beam assembly or
The third mounting groove of the rear end of the right floor side member assembly.
Preferably, second mounting groove is connected with the third mounting groove.
Preferably, the interior side opposite with the end of spare tyre rear cross beam of first mounting groove is provided with fixed
Position convex block, the locating convex block are embedded at the inside of the end of the spare tyre rear cross beam.
Preferably, the jointing it is laterally projecting in the left rear longitudinal beam assembly or right floor side member assembly.
Preferably, the left rear longitudinal beam assembly and the right floor side member assembly include floor side member leading portion and indulge afterwards
Beam back segment, the one end of the floor side member leading portion are connected with the one end of the floor side member back segment, the floor side member leading portion it is another
One end connects the end of the rear floor front beam, and the other end of the floor side member back segment connects the end of the spare tyre rear cross beam
Portion；Floor rear crossbeam is connected to the end of the floor side member leading portion after described.
Preferably, the middle part of the spare tyre rear cross beam towards vehicle body rear protrusion and is in arc-shaped, the rear floor
The middle part of rear cross beam is towards vehicle front protrusion and is in arc-shaped.
Preferably, it is respectively provided with installation in the middle part of the left rear longitudinal beam assembly and the right floor side member assembly
The one end of first guide groove of Floor rear crossbeam after described, the left rear longitudinal beam assembly and the right floor side member assembly is set respectively
It is useful for that the second guide groove of the rear floor front beam is installed.
Preferably, the automobile rear floor frame is made of aluminum alloy materials.
The utility model provides a kind of automobile rear floor frame, by after left rear longitudinal beam assembly and right floor side member assembly
End is connected with spare tyre rear cross beam, and it is in closed " day " character form structure to make automobile rear floor frame entirety, and spare tyre rear cross beam is logical
It crosses jointing to connect with the rear end of left rear longitudinal beam assembly or right floor side member assembly, rear anti-crash mechanism can be by connecing
The second mounting groove on head is installed on the rear end face of rear floor frame, further increases crashworthiness, and effectively improve vehicle body
Torsion stiffness.
Description of the drawings
Fig. 1 is a kind of dimensional structure diagram of automobile rear floor frame in the utility model embodiment；
Fig. 2 is the front view of Fig. 1；
Fig. 3 is the A-A sectional views of Fig. 2；
Fig. 4 is the B-B sectional views of Fig. 2；
Fig. 5 is the C-C sectional views of Fig. 2；
Fig. 6 is the exploded perspective view of Fig. 1；
Fig. 7 is the attachment structure schematic diagram of floor side member leading portion and rear floor front beam in the utility model embodiment；
Fig. 8 is the attachment structure schematic diagram of floor side member leading portion and rear Floor rear crossbeam in the utility model embodiment；
Fig. 9 is the attachment structure schematic diagram of floor side member back segment and spare tyre rear cross beam in the utility model embodiment.
In figure, 10, left rear longitudinal beam assembly；20, right floor side member assembly；31, floor side member leading portion；311, the first guide groove；
312, the second guide groove；32, floor side member back segment；40, rear floor front beam；50, rear Floor rear crossbeam；60, spare tyre rear cross beam；
70, jointing；71, the first mounting groove；72, the second mounting groove；73, longitudinally connected plate；74, cross connecting plate；75, it positions
Convex block；76, third mounting groove；77, mounting hole；78, mounting post.
Specific implementation mode
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
As shown in Figure 1, Figure 2, Figure 6 shows, a kind of automobile rear floor frame of the preferred embodiment in the utility model comprising：It is in
It is symmetrical arranged and the identical left rear longitudinal beam assembly 10 of structure and right floor side member assembly 20 and is connected to left rear longitudinal beam assembly 10
With rear floor front beam 40, rear Floor rear crossbeam 50, the spare tyre rear cross beam 60 of right floor side member assembly 20, the rear floor front beam
40 and spare tyre rear cross beam 60 be connected to the both ends of the left rear longitudinal beam assembly 10 and the right floor side member assembly 20, it is described
Floor rear crossbeam 50 is connected to the middle part of the left rear longitudinal beam assembly 10 and the right floor side member assembly 20 afterwards, after making the automobile
Floor frame is in integrally closed " day " word structure；The rear end of the left rear longitudinal beam assembly 10 and the right floor side member assembly 20
Portion is installed with jointing 70 respectively, and the spare tyre rear cross beam 60 is total with the left rear longitudinal beam respectively by the jointing 70
It is connected at 10, the right floor side member assembly 20, the side of the jointing 70, which is equipped with, to be accommodated and fix the spare tyre rear cross beam
End the first mounting groove 71, the rear end of the jointing 70 is equipped with the second mounting groove for installing rear anti-crash mechanism
72.When the rear Floor frame structure is installed, jointing 70 is first fixed on left rear longitudinal beam assembly 10 and right floor side member assembly
Then the both ends of spare tyre rear cross beam 60 are respectively accommodated in the first peace of two jointings 70 by 20 rear end again
In tankage 71, you can complete installation, and the rear end face of jointing 70 can be collided by the second mounting groove 72 for connecting rear defence
Structure.
Based on the above-mentioned technical proposal, the rear Floor frame structure in the present embodiment is in integrally closed " day " word shape, can
Effectively to control the longitudinal size of left-right longeron, framework deformation is avoided, relative to traditional hatch frame, it is easier to control vehicle body
Precision；It, can be by horizontal after spare tyre during rear portion offset collision occurs by increasing spare tyre rear cross beam 60 at spare tyre rear portion
Impact force is distributed to the floor side member of both sides by beam 60, to reduce the deflection of vehicle, ensures the integrality of vehicle rear, is reduced
The injury that high speed knocks into the back；In addition, being provided with three crossbeams, the torsion stiffness of vehicle body can effectively improve；And by left back vertical
The rear end of beam assembly 10 and right floor side member assembly 20 is installed with jointing 70, two ends of the spare tyre rear cross beam 60
Connect with jointing 70 by the first mounting groove on jointing 70, can not only make securely spare tyre rear cross beam 60 with
Left and right longeron assembly connection, convenient for connection, and the rear end face of the jointing 70 is additionally provided with the second mounting groove 72, for connecting
Rear anti-crash mechanism is met, crashworthiness can be further increased.
Referring to Fig.1, known to Fig. 6 and Fig. 9, it is preferable that in the present embodiment, the front end face of the jointing 70, which is equipped with, to be used for
The third mounting groove 76 of the rear end of the left rear longitudinal beam assembly 10 or the right floor side member assembly 20 is accommodated and fixes, it is left back vertical
The rear end of beam assembly 10 and right floor side member assembly 20 is contained in the third mounting groove 76 with the fixation jointing
70.Illustratively, the second mounting groove 72 is connected with third mounting groove 76, to mitigate the weight of vehicle body, and collides punching after making
It hits power and is able to coherent transmission, with collision performance after raising.
Further, jointing 70 it is laterally projecting in the left rear longitudinal beam assembly 10 or right floor side member assembly 20, by
This can reinforce the intensity of the junction.
Preferably, the side of jointing 70 is equipped with longitudinally connected plate 73 and fixes company with the front end of longitudinally connected plate 73
The cross connecting plate 74 connect, longitudinally connected plate 73 and cross connecting plate 74 are integrally formed the first mounting groove 71.First mounting groove 71
The interior side opposite with the end of the spare tyre rear cross beam 60 is provided with locating convex block 75, and the locating convex block 75 is embedded at institute
State the inside of the end of spare tyre rear cross beam 60.
Preferably, several mounting holes 77 are additionally provided on jointing 70, the central axis of the mounting hole 77 is in institute
State rear floor front beam 40.During the installation process, two jointings 70 are first connected to the left rear longitudinal beam assembly 10
With the rear end of the right floor side member assembly 20, then by the locating convex block 75 on jointing 70 to spare tyre rear cross beam 60
It after being pre-positioned, then carries out being fastenedly connected the installation that the automobile rear floor frame can be completed, and described second can be passed through
Mounting groove 72 connects rear anti-crash mechanism, and is connect with rear anti-crash fastening by mounting hole 77.
Illustratively, two or more can be arranged in the locating convex block 75, according to the section of spare tyre rear cross beam 60
Shape is arranged.Illustratively, the mounting hole 77 is the through-hole for the front and rear end for penetrating through the jointing 70, and connects
First 70 are provided with mounting post 78 close to the end face of the rear floor front beam 40, and the mounting post 78 offers and the mounting hole
The hole of 77 perforations.
Based on the above-mentioned technical proposal, it is installed for the ease of connection, a kind of automobile rear floor frame, institute is provided in the present embodiment
It includes floor side member leading portion 31 and floor side member back segment 32 to state left rear longitudinal beam assembly 10 and the right floor side member assembly 20, is indulged after described
The one end of beam leading portion 31 is connected with the one end of the floor side member back segment 32, and the other end of the floor side member leading portion 31 connects institute
The end of rear floor front beam 40 is stated, the other end of the floor side member back segment 32 connects the end of the spare tyre rear cross beam 60.It will
Left rear longitudinal beam assembly 10 and right floor side member assembly 20 are all provided with and are set to two sections, can be set as according to front and back two sections of different effects
Different structure selects different materials or uses different moulding process.Illustratively, the structure of floor side member leading portion 31
Than the cross-sectional area bigger of floor side member back segment 32, to ensure certain intensity, and floor side member back segment 32 then need it is preferably tough
Property, preferably to absorb collision energy.
In the present embodiment, since the structure of floor side member leading portion 31 is usually than stronger, the rear Floor rear crossbeam 40 is connected
It is connected to the end of the floor side member leading portion 31, the rear Floor rear crossbeam 40 can be stably installed.
Illustratively, the floor side member leading portion 31 in the present embodiment, floor side member back segment 32, rear floor front beam 40, rear floor
Rear cross beam 50, spare tyre rear cross beam 60 cross sectional shape with reference to shown in Fig. 3-Fig. 5, required and the intensity at each position is wanted to arrange
It asks, the section of each part is set as different shapes, is respectively provided in the floor side member leading portion 31 and the rear floor front beam 40
There is reinforcing rib, with after guarantee the intensity of prelaminar part.
Specifically, in order to preferably buffering collision energy, in the present embodiment, the spare tyre rear cross beam 60 at rear portion
It is intermediate towards side (the i.e. vehicle body rear) protrusion of floor front beam 40 after described and in arc-shaped, when after floor frame after
When portion is collided, for Impact direction from rear to preceding, the overbending direction of spare tyre rear cross beam 50 is identical as Impact direction, can be more preferable
Ground snubber collision energy.
In the present embodiment, for the needs of arrangement space, it is described after Floor rear crossbeam 50 centre towards before floor after described
The side (i.e. vehicle front) of crossbeam 40 is raised and is in arc-shaped, with each parts of floor frame position after installation.
In the present embodiment, the middle part of the left rear longitudinal beam assembly 10 and the right floor side member assembly 20 is respectively provided with peace
The first guide groove 311 for filling the rear Floor rear crossbeam 50, when installing the rear Floor rear crossbeam 50, by rear Floor rear crossbeam 50
End be inserted into first guide groove 311 and can carry out preliminary clamping limit to it, not only save installation space, and energy
The enough stability for increasing installation.
Similarly, in the present embodiment, in order to make rear floor front beam 40 steadily with behind left rear longitudinal beam assembly 10 or the right side
Longeron assembly 20 connects, and the end of the left rear longitudinal beam assembly 10 and the right floor side member assembly 20 is respectively provided with installation institute
State the second guide groove 312 of rear floor front beam 40, the inner surface of the second guide groove 312 and the end of rear floor front beam 40
Outer end face matches, and preliminary clamping limit can be carried out to it.
Specifically, in order to make each section reliably connect, it is described after floor front beam 40, rear Floor rear crossbeam 50 with it is described
Connection between left rear longitudinal beam assembly 10, right floor side member assembly 20 be connected by screw bolts, weld and rivet in one kind or two
Kind or more combination, and the left rear longitudinal beam assembly 10, right floor side member assembly 20, spare tyre rear cross beam 60 and the jointing 70
Between connection be also connected by screw bolts, weld and rivet in one or more kinds of combinations.Illustratively, welding side
MIG welderings can be used in formula.Shown in Fig. 7-Fig. 9, in the present embodiment, the front end of the floor side member leading portion 31 offers second and leads
To slot 312, the rear floor front beam 40 carries out welding and riveting process again after being inserted into second guide groove 312, you can
Rear floor front beam 40 is connect with floor side member leading portion 31 securely；The other end of the floor side member leading portion 31 offers described
One guide groove 311 after the rear Floor rear crossbeam 50 is inserted into first guide groove 311, then carries out welding and riveting process, i.e.,
Can rear Floor rear crossbeam 50 be firmly attached to the left rear longitudinal beam assembly 10 and right floor side member assembly 20 securely；It is described
The front end of jointing 70 offers third mounting groove 76, and the third mounting groove is inserted into the rear end of the floor side member back segment 32
After carrying out clamping positioning after 76, then carry out welding and riveting process；And it is both provided on two sides of jointing 70 in opposite directions
Locating convex block 75, locating convex block 75 is inserted into the both ends of spare tyre rear cross beam 60 respectively can carry out Primary Location, then be welded
And riveting work, you can be firmly attached spare tyre rear cross beam 60 on jointing 70, illustratively, answer as shown in fig.9, can
The spare tyre rear cross beam 60 is connected on the cross connecting plate 74 using screw.
In the present embodiment, the automobile rear floor frame is made of aluminum alloy materials, aluminium alloy since its density of material is small,
Car body weight can be effectively reduced, realizes lightweight, and then fuel economy can be improved.
Specifically, in order to buffer collision energy proof strength while, the floor side member leading portion 31 are used and are cast as
Type, the rear floor front beam 40, the rear Floor rear crossbeam 50, the spare tyre rear cross beam 60, the floor side member back segment 32 are equal
Using extrusion forming.Illustratively, the floor side member leading portion 31 is molded using high-voltage cast-aluminum, can ensures its intensity, and squeeze
Molding component can effectively buffer energy when collision, improve crashworthiness.
To sum up, the utility model embodiment provides a kind of automobile rear floor frame, including 10 He of connection left rear longitudinal beam assembly
Rear floor front beam 40, rear Floor rear crossbeam 50, the spare tyre rear cross beam 60 of right floor side member assembly 20, by the way that spare tyre rear cross beam is arranged
60, to make entire automobile rear floor frame be in closed " day " font, and spare tyre rear cross beam 60 passes through jointing 70 and a left side
Floor side member assembly 10 or the connection of right floor side member assembly 20, jointing 70 are fixedly arranged on left rear longitudinal beam assembly 10 and right floor side member
The rear end of assembly 20, and the both ends of spare tyre rear cross beam are contained in the both sides of jointing 70 by the first mounting groove 71, installation
Simple and stable connection, the torsion stiffness of floor frame after capable of improving, and collision performance after improvement；It is also opened on jointing 70
Equipped with the second mounting groove 72, after rear anti-crash mechanism directly can be connected to rear Floor frame structure by the second mounting groove 72
End, it is easy to connect, and crashworthiness can be further increased.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change
The scope of protection of the utility model is also should be regarded as into replacement.
Claims (10)
1. a kind of automobile rear floor frame, which is characterized in that including：The left rear longitudinal beam assembly and right floor side member being symmetrical set are total
At and be connected between the left rear longitudinal beam assembly and the right floor side member assembly rear floor front beam, behind rear floor it is horizontal
Beam, spare tyre rear cross beam, after the left rear longitudinal beam assembly, right floor side member assembly, rear floor front beam, rear Floor rear crossbeam and spare tyre
Crossbeam is in integrally stud；
The rear end of the left rear longitudinal beam assembly and the right floor side member assembly is installed with jointing respectively, horizontal after the spare tyre
Beam is connect with the left rear longitudinal beam assembly, the right floor side member assembly respectively by the jointing, the jointing
Side is equipped with the first mounting groove of the end for accommodating and fixing the spare tyre rear cross beam, and the rear end of the jointing, which is equipped with, to be used for
Second mounting groove of rear anti-crash mechanism is installed.
2. automobile rear floor frame as described in claim 1, which is characterized in that the side of the jointing is equipped with longitudinal connect
Fishplate bar and the cross connecting plate being fixedly connected with the front end of longitudinally connected plate, the longitudinally connected plate and cross connecting plate entirety structure
At first mounting groove.
3. automobile rear floor frame as claimed in claim 2, which is characterized in that the front end face of the jointing is equipped with and is used for
Accommodate and fix the third mounting groove of the rear end of the left rear longitudinal beam assembly or the right floor side member assembly.
4. automobile rear floor frame as claimed in claim 3, which is characterized in that second mounting groove and third installation
Slot is connected.
5. automobile rear floor frame as described in claim 1, which is characterized in that in first mounting groove and after the spare tyre
The side that the end of crossbeam is opposite is provided with locating convex block, and the locating convex block is embedded at the interior of the end of the spare tyre rear cross beam
Portion.
6. automobile rear floor frame as described in claim 1, which is characterized in that the jointing it is laterally projecting in described
Left rear longitudinal beam assembly or the right floor side member assembly.
7. automobile rear floor frame as described in claim 1, which is characterized in that indulged behind the left rear longitudinal beam assembly and the right side
Beam assembly includes floor side member leading portion and floor side member back segment, and the one of the one end of the floor side member leading portion and the floor side member back segment
End connects, the other end of the floor side member leading portion connect it is described after floor front beam end, the floor side member back segment it is another
One end connects the end of the spare tyre rear cross beam；
Floor rear crossbeam is connected to the end of the floor side member leading portion after described.
8. automobile rear floor frame as described in claim 1, which is characterized in that the middle part of the spare tyre rear cross beam is towards after vehicle body
Side is raised and is in arc-shaped, and the middle part of the rear Floor rear crossbeam towards vehicle front protrusion and is in arc-shaped.
9. the automobile rear floor frame as described in any one of claim 1-8, which is characterized in that the left rear longitudinal beam assembly and
The first guide groove for installing the rear Floor rear crossbeam is respectively provided in the middle part of the right floor side member assembly；
The one end of the left rear longitudinal beam assembly and the right floor side member assembly is respectively provided with cross before the installation rear floor
Second guide groove of beam.
10. the automobile rear floor frame as described in any one of claim 1-8, which is characterized in that the automobile rear floor frame
Frame is made of aluminum alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820576111.0U CN208036448U (en) | 2018-04-20 | 2018-04-20 | A kind of automobile rear floor frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820576111.0U CN208036448U (en) | 2018-04-20 | 2018-04-20 | A kind of automobile rear floor frame |
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| Publication Number | Publication Date |
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| CN208036448U true CN208036448U (en) | 2018-11-02 |
Family
ID=63928097
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820576111.0U Active CN208036448U (en) | 2018-04-20 | 2018-04-20 | A kind of automobile rear floor frame |
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| CN (1) | CN208036448U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109204474A (en) * | 2018-11-09 | 2019-01-15 | 浙江众泰汽车制造有限公司 | A kind of automobile rear longitudinal girder assembly and automobile |
| CN110203287A (en) * | 2019-03-14 | 2019-09-06 | 苏州同捷汽车工程技术股份有限公司 | A kind of body platform crossbeam and sill strip connection structure |
| CN111137363A (en) * | 2020-02-25 | 2020-05-12 | 安徽华菱汽车有限公司 | Cab floor sheet metal assembly and heavy truck |
| CN114789754A (en) * | 2021-08-13 | 2022-07-26 | 长城汽车股份有限公司 | Lower vehicle body rear structure |
-
2018
- 2018-04-20 CN CN201820576111.0U patent/CN208036448U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109204474A (en) * | 2018-11-09 | 2019-01-15 | 浙江众泰汽车制造有限公司 | A kind of automobile rear longitudinal girder assembly and automobile |
| CN110203287A (en) * | 2019-03-14 | 2019-09-06 | 苏州同捷汽车工程技术股份有限公司 | A kind of body platform crossbeam and sill strip connection structure |
| CN111137363A (en) * | 2020-02-25 | 2020-05-12 | 安徽华菱汽车有限公司 | Cab floor sheet metal assembly and heavy truck |
| CN111137363B (en) * | 2020-02-25 | 2024-04-12 | 安徽华菱汽车有限公司 | Cab floor sheet metal assembly and heavy truck |
| CN114789754A (en) * | 2021-08-13 | 2022-07-26 | 长城汽车股份有限公司 | Lower vehicle body rear structure |
| WO2023016106A1 (en) * | 2021-08-13 | 2023-02-16 | 长城汽车股份有限公司 | Lower vehicle body rear structure and vehicle |
| CN114789754B (en) * | 2021-08-13 | 2024-05-24 | 长城汽车股份有限公司 | Lower vehicle body rear structure |
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