CN110116761A - The structure of floor reinforced frame after a kind of electric car - Google Patents
The structure of floor reinforced frame after a kind of electric car Download PDFInfo
- Publication number
- CN110116761A CN110116761A CN201910214922.5A CN201910214922A CN110116761A CN 110116761 A CN110116761 A CN 110116761A CN 201910214922 A CN201910214922 A CN 201910214922A CN 110116761 A CN110116761 A CN 110116761A
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- assembly
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- stringer
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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
- B62D21/15—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention belongs to electric car body technical field of structures, and in particular to the structure of floor reinforced frame after a kind of electric car.Traditional single frame structure mode is become, has been overlapped in length and breadth using 3 stringers and 3 crossbeams, formed frame, the stiffness and strength of effective lift frame can be such that mode is promoted, and also accordingly improve interior space, while can also reduce cost and weight.The structure of floor reinforced frame after a kind of electric car, including left stringer assembly, right vertical beam assembly, left stringer back segment assembly, right vertical beam back segment assembly, front beam assembly, middle cross beam assembly, rear cross beam assembly, right section of assembly of rear cross beam, left section of assembly of middle cross beam, right section of assembly of middle cross beam, left stringer assembly, right stringer assembly；Above structure is all the trough body structure of character cut in bas-relief shape；Left stringer assembly, one the first from left right side of right vertical beam assembly are arranged in parallel, and left stringer back segment assembly is arranged in left stringer assembly head end, and right vertical beam back segment assembly is arranged in right vertical beam assembly head end.
Description
Technical field
The invention belongs to electric car body technical field of structures, and in particular to floor reinforced frame after a kind of electric car
Structure.
Background technique
The whole world faces the energy and environmental problem at present, and electric car is future developing trend, and future will gradually substitute tradition
Gasoline car, so needing the more preferable lightweight of electric vehicle, better safety, more reliable body structure；
Floor panel structure intensity is high, and rigidity mode is good, provides reliable tools for customer, and problem of Cracking does not occur in floor, reduces vibration
Noise, user have more comfortable experience by bus；More users can afford for lower cost, reduces after-sales service expense
With；Lighter weight mitigates energy loss, improves course continuation mileage；Bigger space is provided simultaneously for passenger, comfort is improved,
More luggage and articles can be filled simultaneously.
Summary of the invention
In order to achieve the above object, the present invention devises a kind of structure of reinforced frame, changes traditional single frame
Frame mode is overlapped in length and breadth using 3 stringers and 3 crossbeams, forms frame, the stiffness and strength of effective lift frame can
Mode is promoted, and also accordingly improves interior space, while cost and weight can also be reduced.
In order to achieve the above object, present invention employs following scheme:
The structure of floor reinforced frame after a kind of electric car, including left stringer assembly, right vertical beam assembly, left stringer back segment are total
At, right vertical beam back segment assembly, front beam assembly, middle cross beam assembly, rear cross beam assembly, right section of assembly of rear cross beam, left section of middle cross beam
Right section of assembly of assembly, middle cross beam, left stringer assembly, right stringer assembly；Above structure is all the trough body structure of character cut in bas-relief shape；
Left stringer assembly, one the first from left right side of right vertical beam assembly are arranged in parallel, and left stringer back segment assembly is arranged in left stringer assembly head end, right
Right vertical beam back segment assembly is arranged in stringer assembly head end；
After right section of assembly of rear cross beam and rear cross beam assembly are welded to each other, it is connected laterally at left stringer back segment assembly, right vertical beam back segment
The head end of assembly；
Right section of left section of assembly of middle cross beam, middle cross beam assembly, middle cross beam assembly are horizontally installed on left indulge after combining 7 welding from left to right
The middle position of beam back segment assembly, right vertical beam back segment assembly；
And triangle is arranged for right vertical beam assembly and left stringer assembly tail end or trapezoidal bridge joint snap-gauge, front beam assembly laterally ride upon
It is welded to connect and is integrated again on bridge joint snap-gauge；
The rear cross beam assembly is also vertically provided with the consistent left stringer assembly of at least two-stage structure, right stringer assembly, point
It does not snap into backward on right section of assembly of left section of assembly of middle cross beam and middle cross beam.
It is consistent as the preferred left stringer assembly, right vertical beam assembly structure, it is L shape or zigzag shape.
Side-lower in bridge joint snap-gauge is welded on as left section of assembly of preferred middle cross beam.
As left section of assembly of preferred wherein the middle cross beam, right section of assembly section of middle cross beam be character cut in bas-relief shape, open front is big, after open
Mouth is small, and front end bends downward and is extended connection tongue piece further along, and connection tongue piece is welded on side-lower in bridge joint snap-gauge.
It is the curved bumper structure of 7 words as preferred right section of assembly of the rear cross beam, the head end of the curved bumper structure of 7 words is welded to left stringer
On back segment assembly, tail end is horizontal to extend back and rear cross beam assembly butt welding, and rear cross beam assembly accounts for 80% of length after connecting.
It is consistent as the preferred left stringer assembly, right stringer assembly structure, be sheet, around its main body two sides to
Upper fold has resistance to compression side, and wherein head end and tail end diameter are small, and mid diameter is big, and the solder tail of the weldering the head and tail end of head end is respectively welded
Set up middle cross beam assembly, on rear cross beam assembly, the area for snapping into the soldering tip of rear cross beam assembly is big, snaps into middle cross beam assembly
Solder tail area it is small.
Further, right section of assembly of left section of assembly of middle cross beam assembly and middle cross beam and middle cross beam welding overlaps as row's solder joint,
Welding hem width degree is 15mm.
Further, right section of assembly welding of left section of assembly of middle cross beam and middle cross beam, with left stringer assembly, right vertical beam assembly spot welding
Overlap joint, welding hem width degree are 18mm.
Further, designs longitudinal rib on left stringer assembly and left stringer back segment assembly composition left rear longitudinal beam assembly, improve X to
Collision performance, while corrugation muscle is prevented for punching press.
Further, left section of assembly of left stringer assembly and middle cross beam is first welded as T-type structure, and right vertical beam assembly and middle cross beam are left
Section assembly is first welded as T-type structure, is more advantageous to the overlap joint of floor middle, improves the rigidity of frame.
Further, three front beam assembly, middle cross beam assembly, rear cross beam assembly crossbeam parallel arrangements are advantageous to improve frame Y
To rigidity；
Further, right section of assembly of rear cross beam assembly and rear cross beam favorably improves processing performance by being welded together.
Further, right section of assembly of rear cross beam assembly and rear cross beam is designed using concave, effectively increase interior space.
Further, the front and back of left stringer assembly and left stringer back segment assembly and right vertical beam assembly and right vertical beam back segment assembly
Ontology is designed using different material thickness, ontology material thickness 1.8mm, floor side member back segment material thickness 1.5mm before floor side member；It is more advantageous to improve collision
Performance, rear portion energy-absorbing, front are reinforced；
Further, left section of assembly of middle cross beam is overlapped with before and after middle cross beam assembly and rear cross beam assembly, right section of assembly of rear cross beam, with
Overlap joint before and after middle cross beam assembly and rear cross beam assembly makes middle cross beam assembly and rear cross beam assembly form " I " fonts connector, has
Good frame force transferring structure performance.
The structure of the reinforced frame has the advantages that
1, left and right floor side member connects into closed frame structure by three crossbeams, increases the transmission force property laterally with stringer, provides steady
Fixed frame structure.
2, stringer is divided into front and back segmentation, and leading portion is reinforced, and back segment weakens, and favorably improves collision performance.
3, middle cross beam is connected with two stringers of increase among rear cross beam, is enhanced the structural behaviour of its frame, is improved simultaneously
Mode.
4, middle cross beam is changed to 3 segmentation structures, and both ends contact cross-section increases, and improves Y-direction connector force transferring structure.
5, the present invention changes traditional single opening frame, fills frame structure using sealed double rings, increases in big frame
Little framework effectively improves the stiffness and strength performance of frame.Vehicle body processing performance is also improved simultaneously, reduces cost and again
Amount.
Detailed description of the invention
Fig. 1: frame structure top view of the present invention；
Fig. 2: frame structure side view of the present invention；
Fig. 3: frame structure rearview of the present invention；
Fig. 4: frame structure isometric views of the present invention；
A-A partial cutaway view in Fig. 5: Fig. 3；
B-B partial cutaway view in Fig. 6: Fig. 3.
C-C partial cutaway view in Fig. 7: Fig. 3.
D-D partial cutaway view in Fig. 8: Fig. 3.
Description of symbols:
1-left stringer assembly, 2-right vertical beam assemblies, 3-left stringer back segment assemblies, 4-right vertical beam back segment assemblies, 5-front beams
Assembly, 6-middle cross beam assemblies, 7-rear cross beam assemblies, right section of assembly of 8-rear cross beams, left section of assembly of 9-middle cross beams, 10-middle cross
Right section of assembly of beam, 11-left stringer assemblies, 12-right stringer assemblies；
X-left and right directions, i.e. vehicle body are lateral；Y-front-rear direction, i.e. vehicle body are longitudinal；Z-up and down direction.
Specific embodiment
With reference to the accompanying drawing, the present invention will be further described:
Connection type described in following examples of the present invention is the most common welding in this field and is bolted and presses
It plugs into conjunction；The moulding is set as equivalent and water rises or punching press moulding；
Fig. 1-2 shows a kind of structure of floor reinforced frame after electric car, including left stringer assembly 1, right vertical beam assembly 2,
Left stringer back segment assembly 3, right vertical beam back segment assembly 4, front beam assembly 5, middle cross beam assembly 6, rear cross beam assembly 7, rear cross beam are right
Section assembly 8, left section of assembly 9 of middle cross beam, right section of assembly 10 of middle cross beam, left stringer assembly 11, right stringer assembly 12；On first
The trough body structure for stating structure all and be character cut in bas-relief shape, using water rise method or punching press hair by the metal of sheet carry out punching press rise type manufacture at
Type；
Left stringer assembly 1,2 one the first from left right side of right vertical beam assembly are arranged in parallel, and left stringer back segment assembly is arranged in left stringer assembly head end
3, right vertical beam back segment assembly 4 is arranged in right vertical beam assembly head end；Here have with the prior art 2 it is not same be other welding moulding
Left stringer back segment assembly 3 and right vertical beam back segment assembly 4；Because there is the length requirement of different vehicles different, we can be made
Allot identical left stringer assembly 1, right vertical beam assembly 2 but left 3 and of stringer back segment assembly that different length can be produced
Right vertical beam back segment assembly 4 is arranged in pairs or groups, in this way we there is no need to repeatedly produce different left stringer assembly 1, right vertical
Beam assembly 2 causes the situation that distribution type is more chaotic；It is adapted to many distribution type；
After right section of assembly 8 of rear cross beam and rear cross beam assembly 7 are welded to each other, after being connected laterally at left stringer back segment assembly 3, right vertical beam
The head end of section assembly 4；This section of structure and the mentioned-above same rear cross beam assembly 7 of splicing principle can arbitrarily adjust length
Degree, right section of assembly 8 of rear cross beam keep original structure, are welded again both after the length that rear cross beam assembly 7 prepares into demand
Split, and can be with the benefit of a variety of distribution type of great achievement；
Right section of left section of assembly 9 of middle cross beam, middle cross beam assembly 6, middle cross beam assembly 10 are horizontally installed on after combining 7 welding from left to right
The middle position of left stringer back segment assembly 3, right vertical beam back segment assembly 4；The case where this place, is arranged as being also, and can arbitrarily adjust
Save right section of assembly 10 of left section of assembly 9 of middle cross beam and middle cross beam；
And triangle or trapezoidal bridge joint snap-gauge 101 is arranged in right vertical beam assembly 2 and left stringer assembly tail end, front beam assembly 5 is laterally
It rides upon to be welded to connect again on bridge joint snap-gauge and be integrated；
The rear cross beam assembly 7 is also vertically provided with the consistent left stringer assembly 11 of at least two-stage structure, right stringer assembly
12, it is snapped on right section of assembly 10 of left section of assembly 9 of middle cross beam and middle cross beam respectively backward.Bridge snap-gauge and left stringer assembly
11, right stringer assembly 12 is mainly used for top transverse component and vertical separation, and the stress that they can bear is bigger, and structure is more
It is firm.
It is consistent as the preferred left stringer assembly 1,2 structure of right vertical beam assembly, it is L shape or zigzag shape.
Side-lower in bridge joint snap-gauge 101 is welded on as left section of assembly 9 of preferred middle cross beam.
It is character cut in bas-relief shape as right section of left section of assembly 9 of preferred wherein the middle cross beam, middle cross beam 10 section of assembly, open front is big,
After-opening is small, and front end bends downward and is extended connection tongue piece 102 further along, and connection tongue piece is welded on 101 inside of bridge joint snap-gauge
Lower section.
It is the curved bumper structure of 7 words as preferred right section of assembly of the rear cross beam, the head end of the curved bumper structure of 7 words is welded to left stringer
On back segment assembly, tail end is horizontal to extend back and rear cross beam assembly butt welding, and rear cross beam assembly accounts for 80% of length after connecting.
It is consistent as the preferred left stringer assembly 11, right 12 structure of stringer assembly, it is sheet, around its main body two
Side has flipped up resistance to compression side, and wherein head end and tail end diameter are small, and mid diameter is big, the solder tail difference of the weldering the head and tail end of head end
Welding sets up middle cross beam assembly 6, on rear cross beam assembly 7, the area for snapping into the soldering tip of rear cross beam assembly 7 is big, snaps into
The area of the solder tail of crossbeam assembly 6 is small.
Further, right section of assembly 10 of left section of assembly 9 of middle cross beam assembly 6 and middle cross beam and middle cross beam welds, and overlaps as a row
Solder joint, welding hem width degree are 15mm.
Further, right section of assembly 10 of left section of assembly 9 of middle cross beam and middle cross beam welds, with left stringer assembly 1, right vertical beam assembly
2 spot welding overlap joint, welding hem width degree are 18mm.
Further, longitudinal rib is designed on left stringer assembly 1 and left stringer back segment assembly 3 composition left rear longitudinal beam assembly, improves X
Corrugation muscle is prevented to collision performance, while for punching press.
Further, left section of assembly 9 of left stringer assembly 1 and middle cross beam is first welded as T-type structure, right vertical beam assembly 2 and middle cross
Left section of assembly 10 of beam is first welded as T-type structure, is more advantageous to the overlap joint of floor middle, improves the rigidity of frame.
Further, 7 three front beam assembly 5, middle cross beam assembly 6, rear cross beam assembly crossbeam parallel arrangements, favorably improve frame
Frame Y-direction rigidity；
Further, right section of assembly 8 of rear cross beam assembly 7 and rear cross beam favorably improves processing performance by being welded together.
Further, right section of assembly 8 of rear cross beam assembly 7 and rear cross beam is designed using concave, effectively increase interior space.
Further, left stringer assembly 1 and left stringer back segment assembly 3 and right vertical beam assembly 2 and right vertical beam back segment assembly 4
Front and back ontology is designed using different material thickness, ontology material thickness 1.8mm, floor side member back segment material thickness 1.5mm before floor side member；It is more advantageous to improve
Collision performance, rear portion energy-absorbing, front are reinforced；
Further, it is overlapped before and after left section of assembly 9 of middle cross beam, with middle cross beam assembly 6 and rear cross beam assembly 7, right section of assembly of rear cross beam
8, it is overlapped with before and after middle cross beam assembly 6 and rear cross beam assembly 7, so that middle cross beam assembly 6 and rear cross beam assembly 7 is formed " I " fonts and connect
Head has good frame force transferring structure performance；
Implement welding technique: left section of left stringer assembly 1, left stringer back segment assembly 3 and middle cross beam assembly 9 are welded as one first
A floor side member assembly, the main Path of Force Transfer touched as after, back segment material thickness are designed as energy-absorbing area, and leading portion is thicker, are designed as adding
Strong protection zone；Right section of front beam assembly 5, middle cross beam assembly 6, rear cross beam assembly 7, rear cross beam assembly 8, with left stringer assembly 1 and
The weldering of right vertical beam assembly 2 is frame, as a closed hollow frame, effective stable frame；Left stringer assembly 11 and the right side
Stringer assembly 12 is welded into little framework with middle cross beam assembly 6 and rear cross beam assembly 7, forms another small hollow frame, more
Add the structural behaviour of stable space, form frame hub frame returns font structure, effectively improves the structural behaviour of frame.
The present invention is mainly a kind of reinforced frame structure, frame structure performance boost, the torsion stiffness of entire vehicle body and curved
Stiffness is all improved, simultaneously for mode also have promotion.
This car body frame structure scheme can be divided mainly into four structural regions: one, floor side member rear portion and front are separately welded
It connects together；Two, front beam, middle cross beam, rear cross beam connect left-right longeron, form day font frame structure；Three, stringer and middle cross
Beam and rear cross beam form small day font frame structure, more enhance frame structure performance；Four, middle cross beam is divided into three-stage, and
Stringer lap-joint runs business into strong one, and intermediate part is weakened；
First structural region is as shown in the section Fig. 7.Floor side member rear portion and floor side member front do not have to material material thickness, and master is touched as after
Path of Force Transfer is wanted, energy-absorbing and force transferring structure are distinguished.
Second structural region is as shown in Figure 2.Left and right floor side member front and floor side member front beam overlap, in the floor side member of left and right
Portion and middle cross beam overlap joint, left and right floor side member rear portion and rear cross beam overlap joint, are welded as a day font frame jointly；
Third structural region is as shown in the C-C of the section Fig. 7.Main purpose is to improve the rigidity of regional area, while helping to improve
The rigidity of frame.
4th structural region is as shown in Fig. 5 section A-A.Middle cross beam is divided into three-stage, and it is vertical that left and right joint does big and left and right
Beam first welds together, the more preferable power transmitting left-right longeron and seeing.
Above in conjunction with attached drawing, an exemplary description of the invention, it is clear that realization of the invention is not by aforesaid way
Limitation, as long as use the inventive concept and technical scheme of the present invention carry out various improvement, or it is not improved will be of the invention
Conception and technical scheme directly apply to other occasions, be within the scope of the invention.
Claims (9)
1. the structure of floor reinforced frame after a kind of electric car, it is characterized in that: including left stringer assembly, right vertical beam assembly, a left side
Stringer back segment assembly, right vertical beam back segment assembly, front beam assembly, middle cross beam assembly, rear cross beam assembly, right section of assembly of rear cross beam,
Left section of assembly of middle cross beam, right section of assembly of middle cross beam, left stringer assembly, right stringer assembly；Above structure is all character cut in bas-relief shape
Trough body structure；
Left stringer assembly, one the first from left right side of right vertical beam assembly are arranged in parallel, and left stringer back segment assembly is arranged in left stringer assembly head end, right
Right vertical beam back segment assembly is arranged in stringer assembly head end；
After right section of assembly of rear cross beam and rear cross beam assembly are welded to each other, it is connected laterally at left stringer back segment assembly, right vertical beam back segment
The head end of assembly；
Right section of left section of assembly of middle cross beam, middle cross beam assembly, middle cross beam assembly are horizontally installed on left indulge after combining 7 welding from left to right
The middle position of beam back segment assembly, right vertical beam back segment assembly；
And triangle or trapezoidal bridge joint snap-gauge (101) is arranged in right vertical beam assembly and left stringer assembly tail end, front beam assembly is lateral
It rides upon to be welded to connect again on bridge joint snap-gauge and be integrated；
The rear cross beam assembly is also vertically provided with the consistent left stringer assembly of at least two-stage structure, right stringer assembly, point
It does not snap into backward on right section of assembly of left section of assembly of middle cross beam and middle cross beam.
2. the structure of floor reinforced frame after a kind of electric car according to claim 1, it is characterized in that: the left stringer
Assembly, right vertical beam assembly structure are consistent, are L shape or zigzag shape.
3. the structure of floor reinforced frame after a kind of electric car according to claim 1, it is characterized in that: wherein the middle cross beam
Right section of left section of assembly, middle cross beam assembly section are character cut in bas-relief shape, and open front is big, and after-opening is small, and front end is bent downward prolongs further along
Setting connection tongue piece (102) is stretched, connection tongue piece is welded on bridge joint snap-gauge (101) interior side-lower, and left section of assembly of middle cross beam is welded on
Bridge snap-gauge (101) interior side-lower.
4. the structure of floor reinforced frame after a kind of electric car according to claim 1, it is characterized in that: the rear cross beam
Right section of assembly is the curved bumper structure of 7 words, and the head end of the curved bumper structure of 7 words is welded on left stringer back segment assembly, and tail end is horizontal to extend back
With rear cross beam assembly butt welding, and rear cross beam assembly account for connection after length 80%.
5. the structure of floor reinforced frame after a kind of electric car according to claim 1, it is characterized in that: the left side is small vertical
Beam assembly, right stringer assembly structure are consistent, be sheet, flipped up resistance to compression side in two sides around its main body, wherein head end and
Tail end diameter is small, and mid diameter is big, and the solder tail of the weldering the head and tail end of head end is respectively welded that set up middle cross beam assembly, rear cross beam total
Cheng Shang, the area for snapping into the soldering tip of rear cross beam assembly is big, and the area for snapping into the solder tail of middle cross beam assembly is small；Middle cross beam assembly
With the right section of assembly welding of left section of assembly of middle cross beam and middle cross beam, overlap as row's solder joint, welding hem width degree is 15mm.
6. the structure of floor reinforced frame after a kind of electric car according to claim 1 or 3, it is characterized in that: middle cross beam
The right section of assembly welding of left section of assembly and middle cross beam, overlaps, welding hem width degree is with left stringer assembly, right vertical beam assembly spot welding
18mm。
7. the structure of floor reinforced frame after a kind of electric car according to claim 1 or 3, it is characterized in that: left stringer
Left section of assembly of assembly and middle cross beam is first welded as T-type structure, and left section of assembly of right vertical beam assembly and middle cross beam is first welded as T junction
Structure；Left section of assembly of middle cross beam is overlapped with before and after middle cross beam assembly and rear cross beam assembly, right section of assembly of rear cross beam, total with middle cross beam
It is overlapped at before and after rear cross beam assembly, so that middle cross beam assembly and rear cross beam assembly is formed " I " fonts connector, there is good frame
Frame force transferring structure performance.
8. the structure of floor reinforced frame after a kind of electric car according to claim 1, it is characterized in that:, front beam is total
It is advantageous to improve frame Y-direction rigidity at three, middle cross beam assembly, rear cross beam assembly crossbeams parallel arrangements；Rear cross beam assembly and rear cross
Right section of assembly of beam is by being welded together.
9. the structure of floor reinforced frame after a kind of electric car according to claim 8, it is characterized in that:, left stringer is total
It is designed at the front and back ontology of left stringer back segment assembly and right vertical beam assembly and right vertical beam back segment assembly using different material thickness, after
Longitudinal rib is set on ontology material thickness 1.8mm before stringer, left stringer assembly and left stringer back segment assembly composition left rear longitudinal beam assembly.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018111344754 | 2018-09-27 | ||
| CN201811134475 | 2018-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110116761A true CN110116761A (en) | 2019-08-13 |
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ID=67520509
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910214922.5A Pending CN110116761A (en) | 2018-09-27 | 2019-03-21 | The structure of floor reinforced frame after a kind of electric car |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115366997A (en) * | 2022-07-20 | 2022-11-22 | 岚图汽车科技有限公司 | Rear floor assembly and vehicle |
-
2019
- 2019-03-21 CN CN201910214922.5A patent/CN110116761A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115366997A (en) * | 2022-07-20 | 2022-11-22 | 岚图汽车科技有限公司 | Rear floor assembly and vehicle |
| CN115366997B (en) * | 2022-07-20 | 2024-01-09 | 岚图汽车科技有限公司 | Rear floor assembly and vehicle |
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