CN106476893A - The front housing assembly of automobile and its automobile - Google Patents
The front housing assembly of automobile and its automobile Download PDFInfo
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- CN106476893A CN106476893A CN201510535215.8A CN201510535215A CN106476893A CN 106476893 A CN106476893 A CN 106476893A CN 201510535215 A CN201510535215 A CN 201510535215A CN 106476893 A CN106476893 A CN 106476893A
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- collision prevention
- prevention girders
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Abstract
The invention discloses a kind of front housing assembly of automobile, this front housing assembly includes the upper right longeron (1) being oppositely arranged and upper left longeron (2), the front end of upper right longeron (1) and upper left longeron (2) respectively with collision prevention girders connecting plate (3, 4) it is fixedly connected, collision prevention girders connecting plate (3, 4) it is fixedly installed at least one collision prevention girders (5 on, 6, 7), box (8 is strengthened with longeron respectively in the rear end of upper right longeron (1) and upper left longeron (2), 9) it is fixedly connected, longeron strengthens box (8, 9) V-shaped, and the longeron of upper right longeron (1) and upper left longeron (2) rear end strengthens box (8, 9) it is interconnected to constitute " W " shape buffer structure.The invention also discloses a kind of automobile.Not only intensity is high for the front housing assembly of the automobile of the present invention, rigidity is good, and can also ensure that the collision performance of automobile.
Description
Technical field
The present invention relates to a kind of vehicle structure, the front housing assembly of more particularly, to a kind of automobile.
Background technology
Automobile brings great convenience as the main vehicles, the trip giving people, and, makees meanwhile
For one of road participant, the personal safety to other roads participant and its own occupant also brings weight
Big threat.According to World Health Organization's statistics, the whole world there are about 1,200,000 people and dies from road traffic accident every year,
Wherein majority comes from collision accident, and head-on crash accident occupies very big ratio again, and the front deck of automobile
Structure is then the principal element of impact head-on crash accident casualty degree.
The Chinese patent application of Publication No. CN201677929U discloses a kind of automobile of new structure
Front deck.As shown in figure 1, this automobile front chamber includes front panel assembly, radiator sill assembly, front guarantor
Crossbeam assembly and longeron assembly, wherein, described longeron assembly is total by left front girder assembly and front right longitudinal beam
Become to constitute, described left front girder assembly includes left front floor tie-beam, left front girder rear portion and left front vertical
Beam is anterior, and described left front floor tie-beam connects with left front girder rear portion and becomes " U " type structure；Described
Front right longitudinal beam assembly includes right front floor tie-beam, front right longitudinal beam rear portion and front right longitudinal beam front portion, described
Right front floor tie-beam connects with front right longitudinal beam rear portion and becomes " U " type structure.Due to vertical before traditional
Left front floor tie-beam and right front floor tie-beam be increased on beam assembly, increase left front floor tie-beam and
Front longitudinal assembly after the tie-beam of right front floor also increases the collision bang path of left-right longeron, favorably
In the distribution and transmission of impact force, improve the safety of running car.
Above-mentioned existing automobile front chamber structure is primarily present problems with：1) most of is sheet metal structural,
Bodywork parts are many, and between part and part, overlap joint takes up space greatly, the assimilation effect to front collision energy
Limited；2) process for stamping and forming is high to mould requirement, increased production cost, and own wt
Greatly, affect complete vehicle quality, fuel oil is higher, particularly has serious restriction to the course continuation mileage of electric motor car.
Content of the invention
It is an object of the invention to provide a kind of intensity is high, rigidly good, and ensure that the vapour of collision performance
The front housing assembly of car and its automobile.
For achieving the above object, a kind of front housing assembly of automobile of the present invention and its particular technique side of automobile
Case is：
A kind of front housing assembly of automobile, including the upper right longeron being oppositely arranged and upper left longeron, upper right longeron
It is fixedly connected with collision prevention girders connecting plate respectively with the front end of upper left longeron, be fixedly installed on collision prevention girders connecting plate
There are at least one collision prevention girders, the rear end of upper right longeron and upper left longeron is strengthened box with longeron respectively and fixed even
Connect, longeron reinforcement box is V-shaped, and the longeron reinforcement box of upper right longeron and upper left longeron rear end is mutual
Connect and compose " W " shape buffer structure.
A kind of automobile, including the front housing assembly of above-mentioned automobile.
Compared with existing structure, the front housing assembly of the automobile of the present invention and its automobile there is advantages below：
1) bus body strength in the present invention is high, and rigidity is good, ensure that the collision performance of vehicle body.Work as car
When colliding, upper, middle and lower collision prevention girders and energy-absorption box can first preliminary collision attenuating energy, then
Again by longitudinal beam structure deformation energy-absorbing below, drastically increase the effect of personal security in protection crew module
Really.
2) vehicle body in the present invention achieves the purpose of reduces cost and weight on the basis of original function.
Using a large amount of aluminium sections, the sheet material that instead of in traditional vehicle body is overlapped with sheet material, has structure simply,
Easy processing, low cost and other advantages, not only can mitigate tare can also increase body of a motor car intensity.
Brief description
Fig. 1 is the structural representation of existing automobile front chamber；
Fig. 2 is the axonometric chart of the front housing assembly of automobile of the present invention；
Fig. 3 is the top view of the front housing assembly of automobile of the present invention；
Fig. 4 is the side view of the front housing assembly of automobile of the present invention；
Fig. 5 is the disassembly diagram of the front housing assembly of automobile of the present invention；
Fig. 6 is the structural representation of the collision prevention girders in the present invention；
Fig. 7 is the axonometric chart of the upper collision prevention girders in the present invention；
Fig. 8 is the side view of the upper collision prevention girders in the present invention；
Fig. 9 is the axonometric chart of the middle collision prevention girders in the present invention；
Figure 10 is the top view of the middle collision prevention girders in the present invention.
Specific embodiment
In order to be better understood by the purpose of the present invention, structure and function, below in conjunction with the accompanying drawings, to the present invention
A kind of front housing assembly of automobile and its automobile do further detailed description.
Orientation description in the present invention is to carry out with reference to conventional vehicle axis system.Vehicle axis system is to use
The special moving coordinate system of motor racing to be described, its initial point is overlapped with vehicle centroid, when vehicle is on horizontal road
When remaining static on face, X-axis points to rear view of vehicle parallel to ground, and Z axis are referred to by vehicle centroid
Upward, Y-axis points to copilot direction by driver.Wherein, the left and right orientation in the present invention refers to
Along the Y direction of vehicle axis system, left bit corresponds to Y-axis negative direction, and right bit corresponds to Y-axis
Positive direction；Forward and backward orientation refers to the X-direction along vehicle axis system, and front position is just corresponding to X-axis
Direction, back side corresponds to X-axis negative direction；Upper and lower orientation refers to the Z axis side along vehicle axis system
To upper position corresponds to Z axis positive direction, and lower orientation corresponds to Z axis negative direction.
As shown in Fig. 2 to Figure 10, the front housing assembly of the automobile of the present invention includes the right anticollision being oppositely arranged
Beam connecting plate 3 and left collision prevention girders connecting plate 4.Wherein, right collision prevention girders connecting plate 3 and left collision prevention girders connect
Collision prevention girders 5 and middle collision prevention girders 6, right collision prevention girders connecting plate 3 He are fixedly installed on the leading flank of plate 4
The lower end of left collision prevention girders connecting plate 4 is fixedly connected with lower collision prevention girders 7 respectively.Specifically, the present embodiment
In, upper collision prevention girders 5 are located at the top of the leading flank of right collision prevention girders connecting plate 3 and left collision prevention girders connecting plate 4,
Middle collision prevention girders 6 are located between upper collision prevention girders 5 and lower collision prevention girders 7.
Further, upper collision prevention girders 5 are vertical for being provided with hollow structure, and the internal cavities of upper collision prevention girders 5
To reinforcement 18 and/or cross reinforcing 19, thus can be formed many in the internal cavities of upper collision prevention girders 5
Individual energy-absorbing buffering space, to strengthen the energy-absorbing effect of upper collision prevention girders 5.Additionally, it is as shown in fig. 7, upper anti-
The middle part hitting beam 5 is also formed with the bending breach 20 of indent, and in the present embodiment, bending breach 20 is concrete
It is formed at the junction of the square leading flank of upper collision prevention girders 5 and top surface, opening front towards on automobile,
Thus, when a collision occurs, bend transmission side in upper collision prevention girders 5 for the bootable impact force of breach 20
To beneficial to the deformation energy-absorbing of upper collision prevention girders 5.
Further, middle collision prevention girders 6 are also hollow structure.Wherein, as shown in figure 9, middle collision prevention girders 6
Two ends extend formation right side buffering connecting portion 21 and left side buffering connecting portion 22 respectively backward, and right side buffers
The rear end of connecting portion 21 is fixedly connected with the leading flank of right collision prevention girders connecting plate 3, and left side buffers connecting portion
22 rear end is fixedly connected with the leading flank of left collision prevention girders connecting plate 4, and right side buffers connecting portion 21 and a left side
It is respectively formed with multiple buffering grids 23 in the buffering connecting portion 22 of side, in the present embodiment, buffer grid 23
For triangle, thus, when a collision occurs, right side buffering connecting portion 21 and left side buffer connecting portion 22
In buffering grid 23 can fully deform energy-absorbing, with the longeron after effective protection collision prevention girders and other
Structure.
Further, the leading flank of lower collision prevention girders 7 is provided with least one energy-absorption box.Specifically, originally
In embodiment, the two ends of the leading flank of lower collision prevention girders 7 are respectively arranged with right energy-absorption box 10 and left energy-absorption box
11.In addition, it is contemplated that the position easily colliding, as shown in figure 4, with respect to right collision prevention girders connecting plate
3 and the leading flank of left collision prevention girders connecting plate 4, two energy-absorption boxes (the right energy-absorption box 10 in lower collision prevention girders 7
With left energy-absorption box 11) towards the development length of vehicle front and middle collision prevention girders 6 towards vehicle front
The both greater than upper development length towards vehicle front for the collision prevention girders 5 of development length.
Thus, constructed together by arranging upper, middle and lower three collision prevention girders and energy-absorption box in the present invention
Collision energy-absorbing barrier.When crashing, the collision prevention girders in the present invention and energy-absorption box can be effective
Absorb collision energy, reduce the infringement to chassis runner for the impact force as far as possible.
Further, as shown in Figures 2 to 5, the front housing assembly of the automobile of the present invention includes being oppositely arranged
Upper right longeron 1 and upper left longeron 2.Wherein, the front end of upper right longeron 1 and right collision prevention girders connecting plate 3
Trailing flank is fixedly connected, and the front end of upper left longeron 2 is fixedly connected with the trailing flank of left collision prevention girders connecting plate 4.
It is moreover observed that, the connection position of the front end of upper right longeron 1 and right collision prevention girders connecting plate 3 trailing flank
Put right-hand member with middle collision prevention girders 6 and the link position of right collision prevention girders connecting plate 3 leading flank is corresponding；Upper left
The link position of the front end of longeron 2 and left collision prevention girders connecting plate 4 trailing flank and the left end of middle collision prevention girders 6 and
The link position of left collision prevention girders connecting plate 4 leading flank is corresponding, reduces shock will pass through middle collision prevention girders 6
The infringement to upper right longeron 1 and upper left longeron 2 for the power.
Further, the rear end of upper right longeron 1 and upper left longeron 2 is fixing with longeron reinforcement box 8,9 respectively
Connect, longeron strengthens that box 8,9 is V-shaped, and upper right longeron 1 and upper left longeron 2 rear end is vertical
Beam is strengthened box 8,9 and is interconnected to constitute " W " shape buffer structure.
Specifically, the rear end of upper right longeron 1 and right vertical beam strengthen the most advanced and sophisticated company of fixation of " V " shape of box 8
Connect, the " V " shape tip that box 9 is strengthened with left longeron in the rear end of upper left longeron 2 is fixedly connected, right vertical beam
Strengthen box 8 and left longeron strengthens the opening of box 9 towards automobile rear.Additionally, right vertical beam strengthens box 8
The opening right-hand member that opening left end strengthens box 9 with left longeron is fixedly connected, to constitute " W " shape buffer structure.
Thus, pass through by middle collision prevention girders 6, upper right longeron 1, upper left longeron 2 in the present invention, and vertical
" W " shape buffer structure that beam strengthens box composition defines one top collision energy-absorbing barrier.When touching
When hitting accident, can be absorbed to greatest extent by deformation, the collision energy being delivered on upper longitudinal of decaying,
To reduce the impact injury to automobile cabin and passenger.
Further, as shown in Figures 2 to 5, the front housing assembly of the automobile of the present invention also includes being oppositely arranged
Bottom right longeron 12 and lower-left longeron 13.Wherein, the front end of bottom right longeron 12 and lower-left longeron 13 is divided
It is not fixedly connected with the trailing flank of lower collision prevention girders 7.It is moreover observed that, before bottom right longeron 12
The link position of end and lower collision prevention girders 7 trailing flank and the company of right energy-absorption box 10 and lower collision prevention girders 7 leading flank
Connect position corresponding；The link position of the front end of lower-left longeron 13 and lower collision prevention girders 7 trailing flank and left suction
Energy box 11 is corresponding with the link position of lower collision prevention girders 7 leading flank, will pass through right energy-absorption box 10, a left side
Energy-absorption box 11 and lower collision prevention girders 7 reduce the infringement to bottom right longeron 12 and lower-left longeron 13 for the impact force.
Further, bottom right longeron 12 is fixedly connected by lower connecting cross beam 14 with lower-left longeron 13, right
Lower longeron 12 and upper right longeron 1 pass through right connection vertical beam 15 and are fixedly connected, lower-left longeron 13 and upper left
Longeron 2 passes through left connection vertical beam 16 and is fixedly connected.
Specifically, the right upper end connecting vertical beam 15 is fixedly connected with the rear end of upper right longeron 1, lower end
It is fixedly connected with bottom right longeron 12；The rear end of the left upper end and upper left longeron 2 connecting vertical beam 16 is fixed even
Connect, lower end is fixedly connected with lower-left longeron 13, the right-hand member of lower connecting cross beam 14 and bottom right longeron 12 are solid
Fixed connection, left end is fixedly connected with lower-left longeron 13.It is moreover observed that, lower connecting cross beam 14
Right-hand member and the link position of bottom right longeron 12 and the right lower end of vertical beam 15 and the bottom right longeron 12 of connecting
Link position is corresponding；The link position of the left end of lower connecting cross beam 14 and lower-left longeron 13 and left connection
The lower end of vertical beam 16 is corresponding with the link position of lower-left longeron 13.
Thus, pass through by right energy-absorption box 10, left energy-absorption box 11, lower collision prevention girders 7, bottom right in the present invention
Longeron 12, lower-left longeron 13 define with lower connecting cross beam 14 together with bottom collision energy-absorbing barrier.When
When crashing, can be absorbed to greatest extent by deformation, decaying is delivered to touching on the longeron of bottom
Hit energy, to reduce the impact injury to automobile cabin and passenger.Additionally, in the present invention also by by
Upper right longeron 1, upper left longeron 2, bottom right longeron 12, lower-left longeron 13, right collision prevention girders connecting plate 3,
Left collision prevention girders connecting plate 4, right connection vertical beam 15 with left connection vertical beam 16 define together with steric clashes inhale
Can barrier.When crashing, can be absorbed to greatest extent by deformation, decaying is delivered to longeron
On collision energy, to reduce to the impact of automobile cabin and passenger injury.
Further, the rear end of bottom right longeron 12 and lower-left longeron 13 is also respectively provided with front overhang lower swing arm and adds
Strong box 17, front overhang lower swing arm is strengthened box 17 and is connected with the front overhang lower swing arm of automobile, to ensure the front overhang bottom
The exercise intensity of arm.Additionally, each part in the present invention preferably employs aluminium section and processes, with
On the basis of ensureing vehicle body key property, reduce tare and cost of manufacture.
By specific embodiment, the present invention has been done above further describe it should be understood that, this
In specifically describe, should not be construed as the restriction to the spirit and scope of the invention, in the art is common
The various modifications that technical staff makes to above-described embodiment after reading this specification, broadly fall into institute of the present invention
The scope of protection.
Claims (10)
1. a kind of front housing assembly of automobile is it is characterised in that include the upper right longeron (1) being oppositely arranged
With upper left longeron (2), the front end of upper right longeron (1) and upper left longeron (2) is respectively with collision prevention girders even
Fishplate bar (3,4) is fixedly connected, and collision prevention girders connecting plate (3,4) is fixedly installed at least one anticollision
Beam (5,6,7), box is strengthened with longeron respectively in the rear end of upper right longeron (1) and upper left longeron (2)
(8,9) are fixedly connected, longeron strengthen box (8,9) V-shaped, and upper right longeron (1) and
The longeron of upper left longeron (2) rear end is strengthened box (8,9) and is interconnected to constitute " W " shape buffer structure.
2. the front housing assembly of automobile according to claim 1 is it is characterised in that upper right longeron (1)
Rear end and right vertical beam strengthen the " V " shape tip of box (8) and be fixedly connected, after upper left longeron (2)
The " V " shape tip that box (9) is strengthened with left longeron in end is fixedly connected, and right vertical beam strengthens box (8) and a left side
Longeron strengthens the opening of box (9) towards automobile rear, and right vertical beam strengthen box (8) opening left end and
The opening right-hand member that left longeron strengthens box (9) is fixedly connected, to constitute " W " shape buffer structure.
3. the front housing assembly of automobile according to claim 1 is it is characterised in that upper right longeron (1)
Front end be fixedly connected with the trailing flank of right collision prevention girders connecting plate (3), the front end of upper left longeron (2) with
The trailing flank of left collision prevention girders connecting plate (4) is fixedly connected, right collision prevention girders connecting plate (3) and left collision prevention girders
The lower end of connecting plate (4) is fixedly connected with lower collision prevention girders (7) respectively, right collision prevention girders connecting plate (3)
It is fixedly installed upper collision prevention girders (5) and middle collision prevention girders (6) with the leading flank of left collision prevention girders connecting plate (4),
Upper collision prevention girders (5) are located at the leading flank of right collision prevention girders connecting plate (3) and left collision prevention girders connecting plate (4)
Top, middle collision prevention girders (6) be located between upper collision prevention girders (5) and lower collision prevention girders (7).
4. the front housing assembly of automobile according to claim 3 is it is characterised in that upper collision prevention girders (5)
For be provided with hollow structure, and the internal cavities of upper collision prevention girders (5) waling (18) and/
Or cross reinforcing (19), the middle part of upper collision prevention girders (5) is formed with the bending breach (20) of indent,
The opening of bending breach (20) front towards on automobile, is beneficial to the change of upper collision prevention girders (5) during collision
Shape energy-absorbing.
5. the front housing assembly of automobile according to claim 3 is it is characterised in that middle collision prevention girders (6)
For hollow structure, and the two ends of middle collision prevention girders (6) extend formation right side buffering connecting portion (21) respectively backward
With left side buffering connecting portion (22), right side buffers the rear end of connecting portion (21) and right collision prevention girders connecting plate
(3) leading flank is fixedly connected, and left side buffers the rear end of connecting portion (22) and left collision prevention girders connecting plate
(4) leading flank is fixedly connected, and right side buffering connecting portion (21) and left side buffer connecting portion (22)
In be respectively formed with multiple buffering grid (23), in being beneficial to during collision collision prevention girders (6) deformation inhale
Energy.
6. the front housing assembly of the automobile according to claim 3 or 5 is it is characterised in that middle anticollision
The right-hand member of beam (6) is fixedly connected with the leading flank of right collision prevention girders connecting plate (3), left end and left collision prevention girders
The leading flank of connecting plate (4) is fixedly connected；And the right-hand member of middle collision prevention girders (6) and right collision prevention girders connecting plate
(3) after the front end of the link position of leading flank and upper right longeron (1) and right collision prevention girders connecting plate (3)
The link position of side is corresponding, on front side of the left end of middle collision prevention girders (6) and left collision prevention girders connecting plate (4)
The link position in face and the front end of upper left longeron (2) and the connection of left collision prevention girders connecting plate (4) trailing flank
Position is corresponding.
7. the front housing assembly of automobile according to claim 3 is it is characterised in that lower collision prevention girders (7)
Leading flank on be provided with least one energy-absorption box (10,11), and with respect to right collision prevention girders connecting plate (3)
With the leading flank of left collision prevention girders connecting plate (4), energy-absorption box (10, the 11) court on lower collision prevention girders (7)
It is both greater than to the development length of vehicle front, middle collision prevention girders (6) towards the development length of vehicle front
Collision prevention girders (5) are towards the development length of vehicle front.
8. the front housing assembly of automobile according to claim 3 is it is characterised in that also include relatively
The bottom right longeron (12) of setting and lower-left longeron (13), bottom right longeron (12) and lower-left longeron (13)
Front end be fixedly connected with the trailing flank of lower collision prevention girders (7) respectively, bottom right longeron (12) and lower-left are indulged
Beam (13) is fixedly connected by lower connecting cross beam (14), bottom right longeron (12) and upper right longeron (1)
It is fixedly connected by right connection vertical beam (15), lower-left longeron (13) passes through a left side with upper left longeron (2)
Connect vertical beam (16) to be fixedly connected.
9. the front housing assembly of automobile according to claim 8 is it is characterised in that right connection vertical beam
(15) upper end is fixedly connected with the rear end of upper right longeron (1), and lower end is solid with bottom right longeron (12)
Fixed connection；The left upper end connecting vertical beam (16) is fixedly connected with the rear end of upper left longeron (2), lower end
It is fixedly connected with lower-left longeron (13), the right-hand member of lower connecting cross beam (14) and bottom right longeron (12) are solid
Fixed connection, left end is fixedly connected with lower-left longeron (13)；And the right-hand member of lower connecting cross beam (14) and the right side
The link position of lower longeron (12) and the company of the right lower end connecting vertical beam (15) and bottom right longeron (12)
Connect that position is corresponding, the left end of lower connecting cross beam (14) and the link position of lower-left longeron (13) with left
The lower end connecting vertical beam (16) is corresponding with the link position of lower-left longeron (13).
10. before a kind of automobile is it is characterised in that include the automobile described in any of the above-described claim
Housing assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510535215.8A CN106476893A (en) | 2015-08-27 | 2015-08-27 | The front housing assembly of automobile and its automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510535215.8A CN106476893A (en) | 2015-08-27 | 2015-08-27 | The front housing assembly of automobile and its automobile |
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| CN106476893A true CN106476893A (en) | 2017-03-08 |
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| CN201510535215.8A Pending CN106476893A (en) | 2015-08-27 | 2015-08-27 | The front housing assembly of automobile and its automobile |
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| CN109204525A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Body structure and vehicle |
| CN109204525B (en) * | 2017-06-30 | 2021-03-26 | 比亚迪股份有限公司 | Vehicle body structure and vehicle |
| CN109649501A (en) * | 2017-10-10 | 2019-04-19 | 株式会社威泰克 | Body Structure |
| CN109050455A (en) * | 2018-07-02 | 2018-12-21 | 北京长城华冠汽车科技股份有限公司 | The front anticollision beam assembly and automobile of automobile |
| CN109130747A (en) * | 2018-07-23 | 2019-01-04 | 北京长城华冠汽车科技股份有限公司 | A kind of front suspension swinging arm mechanism of automobile |
| CN110816674A (en) * | 2018-08-07 | 2020-02-21 | 丰田自动车株式会社 | Vehicle front structure |
| CN110816674B (en) * | 2018-08-07 | 2022-03-25 | 丰田自动车株式会社 | Vehicle front structure |
| CN111746650A (en) * | 2019-03-26 | 2020-10-09 | 浙江吉智新能源汽车科技有限公司 | Front auxiliary frame of automobile and automobile |
| CN111746650B (en) * | 2019-03-26 | 2022-04-12 | 浙江吉智新能源汽车科技有限公司 | Front auxiliary frame of automobile and automobile |
| CN112477985A (en) * | 2019-09-12 | 2021-03-12 | 通用汽车环球科技运作有限责任公司 | Vehicle structure for cross-vehicle load path |
| CN110588792A (en) * | 2019-10-30 | 2019-12-20 | 吉林大学 | Frame-type aluminum alloy section bar front end module structure suitable for electric motor car |
| CN110588792B (en) * | 2019-10-30 | 2023-08-15 | 吉林大学 | Frame type aluminum alloy section front end module structure suitable for electric vehicle |
| CN113968285A (en) * | 2021-10-26 | 2022-01-25 | 东风越野车有限公司 | Front engine room structure of off-road vehicle body |
| CN114013514A (en) * | 2021-10-26 | 2022-02-08 | 东风越野车有限公司 | Front cabin longitudinal beam structure of off-road vehicle body |
| CN114013514B (en) * | 2021-10-26 | 2022-08-23 | 东风越野车有限公司 | Front engine room longitudinal beam structure of off-road vehicle body |
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Application publication date: 20170308 |
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