CN208411871U - Automobile and its front longitudinal beam - Google Patents
Automobile and its front longitudinal beam Download PDFInfo
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- CN208411871U CN208411871U CN201820458280.4U CN201820458280U CN208411871U CN 208411871 U CN208411871 U CN 208411871U CN 201820458280 U CN201820458280 U CN 201820458280U CN 208411871 U CN208411871 U CN 208411871U
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Abstract
The utility model relates to car engine room technical field of structures, provide a kind of automobile and its front longitudinal beam, the front longitudinal beam has closed hollow cavity, extend in the enging cabin of the automobile and substantially along the longitudinal direction of the automobile, the front longitudinal beam includes towards the outside plate on the outside of the enging cabin and towards the inner panel on the inside of the enging cabin, the front longitudinal beam successively includes leading portion from front to back, middle section and back segment, the first rigidity that the outside plate is formed on the part that the leading portion and the middle section have a common boundary for guiding the front longitudinal beam towards the enging cabin internal bend weakens predeformation structure, the front longitudinal beam further includes the first buffering stand for being used to carry out the outside plate rigidity reinforcement being set in the hollow cavity, the front end of first buffering stand main body is connected to the tail that first rigidity weakens predeformation structure End.The front longitudinal beam of the automobile of the utility model is being deformation pattern relatively optimization so that being conducive to reduce influences cockpit by head-on crash.
Description
Technical field
The utility model relates to car engine room technical field of structures, in particular to a kind of automobile and its front longitudinal beam.
Background technique
In recent years, the requirement to vehicle safety improves.Common automobile safety accident includes head-on crash, is often given
The safety of life and property of occupant brings heavy losses.Underlying carrier of the vehicle body as automobile other components and passenger,
Deformation when being hit largely is related to the safety of occupant, and the front longitudinal beam of automobile is as head-on crash
When most important power transmission channel, deformation pattern when by head-on crash is to the integrality of crew module and the journey that is hurt of occupant
Degree has great influence.
The front longitudinal beam of automobile generally mainly includes front longitudinal beam outside plate, front longitudinal girder inner plate and stiffening plate, is had closed hollow
Chamber body structure.In general, front longitudinal beam is all linear, as shown in Figure 1, ideal deformation pattern is when by head-on crash
Leading portion conquassation deformation energy-absorbing, back segment rigidity power transmission, as shown in Figure 2.The structure of front longitudinal beam can be divided into two substantially in vehicle at present
Class, one kind are the inside and outside plate thickness uniformities of front longitudinal beam, increase larger-size reinforcer by the inside and touch to cope with front
It hits；Another kind of be the inside and outside plate of front longitudinal beam is Varying-thickness, is changed by different zones plate thickness to cope with head-on crash.
But in actual impact test, it is generally divided into from front to back according to deformation pattern and functional requirement front longitudinal beam
Three regions, leading portion are conquassation deformed area, and middle section is bending deformed area, and back segment is rigid region, during power assembly is usually mounted to
Section.Corresponding front rail structure common at present can all have bending deformed area, bending deformation when vehicle is by head-on crash
It is a kind of lower deformation pattern of energy absorbing efficiency.During actual collision, the deformation pattern of typical front longitudinal beam such as Fig. 3 institute
Show, middle section bending angle is larger, is unfavorable for energy-absorbing and transmitting collision force flow.
Utility model content
In view of this, the utility model is directed to a kind of be deformation pattern relatively optimization to advantageous by head-on crash
In the front longitudinal beam for reducing the automobile influenced on cockpit and automobile with the front longitudinal beam.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of front longitudinal beam of automobile, the front longitudinal beam have closed hollow cavity, positioned at the enging cabin of the automobile
In and substantially along the automobile longitudinal direction extend, the front longitudinal beam includes towards the outside plate and direction on the outside of the enging cabin
Inner panel on the inside of the enging cabin, the front longitudinal beam include successively from front to back leading portion, middle section and back segment, and the outside plate is in institute
It states and is formed on the part of leading portion and middle section boundary for guiding the front longitudinal beam towards the enging cabin internal bend
The first rigidity weaken predeformation structure, the front longitudinal beam further include be set in the hollow cavity for the outside plate
The first buffering stand of rigidity reinforcement is carried out, the front end of the first buffering stand main body is connected to first rigidity and weakens in advance
The tail end of distressed structure.
Further, first rigidity weaken predeformation structure include along the front longitudinal beam up and down direction extend the
One groove；And first buffering stand includes the plate that is connected on the outside plate to form first between the outside plate
Hollow cavity is used in reinforcement.
Further, the inner panel be formed on the part that the middle section and the back segment have a common boundary for guide it is described before
Second rigidity of stringer towards the enging cabin bend external weakens predeformation structure, and the front longitudinal beam further includes being set to institute
The second buffering stand for being used to carry out the inner panel rigidity reinforcement in hollow cavity is stated, the second buffering stand main body
Front end is connected to the tail end that second rigidity weakens predeformation structure.
Further, second rigidity weaken predeformation structure include along the front longitudinal beam up and down direction extend the
Two grooves；And second buffering stand includes the plate that is connected on the inner panel to form second between the inner panel
Hollow cavity is used in reinforcement.
Further, in the back segment, the inner panel faces away from the direction deflecting angle of the outside plate relative to outside plate
Spend β.
Further, the leading portion includes the angled section to extend back from the front longitudinal beam front end, in the angled section
Duan Zhong, the longitudinal axis of the front longitudinal beam relative to the automobile longitudinal axis towards the enging cabin outside deflecting angle
Spend α.
Further, the section of the hollow cavity of the leading portion intercepted perpendicular to the longitudinal axis of the front longitudinal beam has
There is I shape；Also, the plate thickness of the leading portion is less than the plate thickness in the middle section and the back segment.
Further, it in the middle section, is provided on the inner panel towards the power assembly on the inside of the enging cabin
Mounting bracket, the thickness of the inner panel are less than the thickness of the outside plate.
Further, two installations are arranged at intervals with along the longitudinal direction of the front longitudinal beam, the power assembly mounting bracket
Point, and the inner panel is formed with third rigidity on the part between described two installation points and weakens predeformation structure,
It includes the third groove extended along the up and down direction of the front longitudinal beam that the third rigidity, which weakens predeformation structure,.
The another object of the utility model is to propose a kind of automobile, be provided with according to automobile described in the utility model
Front longitudinal beam is respectively formed with described in one in the enging cabin of the automobile along the two sides of the width direction of the enging cabin
Front longitudinal beam.
The front longitudinal beam of the automobile of the utility model is designed as including successively from front to back leading portion, middle section and back segment, in automobile
When by head-on crash, leading portion mainly plays conquassation deformation energy-absorbing；Middle section deforms additional bending by localized crush and deforms
Absorb part energy, while the force flow that leading portion is passed over passes to back segment.Wherein, the outside plate in the leading portion and
Be formed on the part that the middle section has a common boundary for guide the front longitudinal beam towards the enging cabin internal bend first just
Degree weakens predeformation structure, while also adding the first buffering stand and impact force is flowed to middle section transmitting, the first buffering stand energy
It is enough to play the role of buffering and guiding to the collision force flow passed over from leading portion, be conducive to balance to a certain extent inner panel with
The rigidity of outside plate resists bending deformation (control bending angle size) and absorbs local collision energy, reduces front longitudinal beam as a result,
Amplitude of deformation is bent, is conducive to avoid the biggish part intrusion cockpit of rigidity in enging cabin, improves leading portion and middle section conquassation
Energy-absorbing effect reduces the force flow size transmitted backward, is equally beneficial for that cockpit is avoided to deform.
Other features and advantages of the utility model will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The exemplary embodiment and its explanation of type are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 is the top view according to existing common front longitudinal beam；
Fig. 2 be automobile front longitudinal beam when by head-on crash ideal deformation pattern；
Fig. 3 is common practical distortion mode of front longitudinal beam when by head-on crash in Fig. 1；
Fig. 4 is the exploded view observed according to the front longitudinal beam of the utility model by oblique upper, and wherein outside plate and inner panel separate
The structure inside front longitudinal beam is better shown；
Fig. 5 is the top view according to the front longitudinal beam of the utility model；
Fig. 6 is the side view of the slave outside plate side observation of front longitudinal beam in Fig. 5, and wherein the left end of front longitudinal beam is that this is preceding vertical in Fig. 6
The front end of beam；
Fig. 7 is the side view of the slave inboard side observation of front longitudinal beam in Fig. 5, and wherein the left end of front longitudinal beam is that this is preceding vertical in Fig. 7
The rear end of beam；
The sectional view that Fig. 8 is intercepted by the leading portion edge of front longitudinal beam in Fig. 5 perpendicular to front longitudinal beam longitudinal axis；
The sectional view that Fig. 9 is intercepted by the middle section edge of front longitudinal beam in Fig. 5 perpendicular to front longitudinal beam longitudinal axis；
The sectional view that Figure 10 is intercepted by line J-J of the front longitudinal beam in Fig. 7；
The sectional view that Figure 11 is intercepted by line G-G of the front longitudinal beam in Fig. 6, wherein the left side in Figure 11 is towards front longitudinal beam
Front side；
The sectional view that Figure 12 is intercepted by line F-F of the front longitudinal beam in Fig. 6, wherein the left side in Figure 12 is towards front longitudinal beam
Front side；
The sectional view that Figure 13 is intercepted by line H-H of the front longitudinal beam in Fig. 7, wherein the left side in Figure 13 is towards front longitudinal beam
Rear side；
Figure 14 is deformation pattern of the front longitudinal beam of present embodiment in frontal collision test；
Figure 15 is the schematic diagram according to the front longitudinal beam for being located at two sides in the automobile of the utility model in the width direction,
The left side of middle Figure 15 is the front side of automobile, and positioned at the front end of the front longitudinal beam of automobile left side by the front from mobile avoidance
It hits, wherein arrow indicates the direction of motion of mobile avoidance.
Description of symbols:
1 leading portion, 1 ' angled section
2 middle section, 3 back segment
4 outside plate, 5 inner panel
6 hollow cavity, 7 power assembly mounting bracket
71 installation point, 8 first buffering stand
81 first reinforce using 9 second buffering stand of hollow cavity
91 second reinforce using 10 second groove of hollow cavity
11 mobile 12 first grooves of avoidance
13 third grooves
Specific embodiment
It should be noted that in the absence of conflict, the spy in embodiment and embodiment in the utility model
Sign can be combined with each other.
In the present invention, it is to be understood that term " deviating from ", " direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right" and the orientation or positional relationship of actual use are corresponding；" inside and outside " refers to phase
For each component itself profile it is inside and outside；It is merely for convenience of describing the present invention and simplifying the description, rather than indicates institute
The device or element of finger must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this reality
With novel limitation.
The utility model is described in detail below with reference to the accompanying drawings and in conjunction with embodiment.
Present inventor carries out to the deformation pattern of the front longitudinal beam of existing automobile the study found that main problem is,
The specific location and bending angle of flex area are not easy to control, thus cause front longitudinal beam energy-absorbing insufficient and make back segment transmitting energy compared with
Greatly, the damage of cockpit is be easy to cause to come to harm so as to cause occupant；In addition, constrained by wheelspan and power assembly etc., it is left
The spacing of front right longitudinal beam is restricted, and in the small overlapping offset impact test in front, the overlapping region of obstacle and front longitudinal beam is smaller,
The absorption and transmitting collision energy that front longitudinal beam is unable to fully, thus also be easy to cause crew module's deformation larger, the life peace of occupant
It is damaged, is found based on the studies above entirely, present inventor improves automobile front longitudinal beam.
A kind of front longitudinal beam of automobile is provided, the front longitudinal beam has closed hollow cavity 6, positioned at the hair of the automobile
Extend in motivation cabin and substantially along the longitudinal direction of the automobile, the front longitudinal beam includes towards the outside plate on the outside of the enging cabin
4 and towards the inner panel 5 on the inside of the enging cabin, wherein the front longitudinal beam successively include from front to back leading portion 1, middle section 2 and after
Section 3, the outside plate 4 are formed on the part that the leading portion 1 and the middle section 2 have a common boundary for guiding the front longitudinal beam direction
First rigidity of the enging cabin internal bend weakens predeformation structure, the front longitudinal beam further include be set to it is described it is hollow in
In chamber 6 for carrying out the first buffering stand 8 of rigidity reinforcement to the outside plate 4, before 8 main body of the first buffering stand
End is connected to the tail end that first rigidity weakens predeformation structure.
The front longitudinal beam of the automobile of the utility model is designed as including successively from front to back leading portion 1, middle section 2 and back segment 3, in vapour
When vehicle is by head-on crash, leading portion 1 mainly plays conquassation deformation energy-absorbing；Middle section 2 deforms additional bending by localized crush
The force flow that leading portion 1 passes over is passed to back segment 3 to absorb part energy by deformation.Wherein, the outside plate 4 is in institute
It states and is formed on the part of leading portion 1 and the boundary of the middle section 2 for guiding the front longitudinal beam curved towards the enging cabin inside
First rigidity of folding weakens predeformation structure, while also adding the first buffering stand 8 impact force is flowed to middle section 2 and transmitting, the
One buffering stand 8 can play the role of buffering and guiding to the collision force flow passed over from leading portion 1, be conducive in certain journey
The rigidity that inner panel 5 and outside plate 4 are balanced on degree resists bending deformation (control bending angle size) and absorbs local collision energy,
The bending amplitude of deformation for reducing front longitudinal beam as a result, is conducive to avoid the biggish part intrusion cockpit of rigidity in enging cabin, mentions
2 collapse energy-absorption effect of high leading portion 1 and middle section reduces the force flow size transmitted backward, is equally beneficial for that cockpit is avoided to deform.
It will be appreciated by persons skilled in the art that wherein the first rigidity weakening predeformation structure can be set to appoint
The suitable form of meaning, for example, with reference to figure, in present embodiment, it includes before described that first rigidity, which weakens predeformation structure,
The first groove 12 that the up and down direction of stringer extends.
Also, the first buffering stand 8 in present embodiment include the plate that is connected on the outside plate 4 with it is described outer
First is formed between plate 4 to reinforce using hollow cavity 81, forms an envelope between the first buffering stand 8 and the inner wall of outside plate 4 as a result,
The hollow structure closed, i.e., first reinforces using hollow cavity 81, plays booster action to outside plate 4, buffers the power come from front transmitting
Stream reduces the bending angle of outside plate 4 herein.Specifically, referring to figure, in present embodiment, the first buffering stand 8 includes two plates
Part, two plates are connected and are welded and structure with inner panel 5 and outside plate 4 by being bent into certain shapes and being welded to each other
At first buffering stand 8, and described two plates surround together with outside plate 4 and form the first reinforcement hollow cavity
81。
Preferably, the leading portion 1 includes the angled section 1 ' to extend back from the front longitudinal beam front end, in the angled section
In section 1 ', the longitudinal axis of the front longitudinal beam deviates relative to the longitudinal axis of the automobile towards the outside of the enging cabin
Angle [alpha].Referring to figure, it can be readily appreciated that, after front longitudinal beam has the angled section 1 ', broaden the left side of enging cabin
Spacing between front longitudinal beam and right side front longitudinal beam, and when front longitudinal beam by positive small overlapping offset when being collided, it is equivalent to increasing
Overlapping region when big small overlapping offset collision between mobile avoidance 11 and front longitudinal beam, reduces pressure, to improve complete automobile collision
Security performance.In addition, the angled section 1 ' can be only a part of leading portion 1, or the whole of leading portion 1, and work as
When the angled section 1 ' is the whole of the leading portion 1, can exist between the angled section 1 ' and middle section 2 with folding line, at this point,
The folding line can be used as first rigidity and weaken predeformation structure, it can not need that first groove is in addition arranged
12, certainly, those skilled in the art will also be appreciated that first rigidity weakens predeformation structure and removes the folding line
Form may be arranged as other any suitable modes.
It is further preferred that the inner panel 5 is formed on the part that the middle section 2 and the back segment 3 have a common boundary for drawing
The second rigidity for leading the front longitudinal beam towards the enging cabin bend external weakens predeformation structure, and the front longitudinal beam further includes
It is set to slow for the second buffering stand 9 to the inner panel 5 progress rigidity reinforcement, described second in the hollow cavity 6
The front end for rushing 9 main body of bracket is connected to the tail end that second rigidity weakens predeformation structure.
The front longitudinal beam progress of present embodiment is designed as the portion that the inner panel 5 has a common boundary in the middle section 2 and the back segment 3
It is formed with the second rigidity for guiding the front longitudinal beam towards the enging cabin bend external on point and weakens predeformation structure,
It also adds the second buffering stand 9 simultaneously impact force is flowed into back segment 3 and transmit, the second buffering stand 9 can be passed to from middle section 1
The collision force flow passed plays the role of buffering and guiding, is conducive to balance the rigid of inner panel 5 and outside plate 4 to a certain extent
Degree resists bending deformation (control bending angle size) and absorbs local collision energy, reduces the bending deformation of front longitudinal beam as a result,
Amplitude is conducive to avoid the biggish part intrusion cockpit of rigidity in enging cabin, improves 2 collapse energy-absorption effect of middle section, reduce
The force flow size transmitted backward, is equally beneficial for that cockpit is avoided to deform.In the present embodiment, back segment 3 is that rigidity is biggish
Structure avoids the biggish components intrusion cockpit of rigidity in enging cabin, while impact force flow point effectively can be dissipated transmitting
To components such as sill strip, longitudinal floor beam and centre gangways.
Similarly, it will be appreciated by persons skilled in the art that wherein second rigidity weaken predeformation structure can be with
It is set as any suitable form, for example, with reference to figure, in present embodiment, second rigidity weakens predeformation structure and includes
The second groove 10 extended along the up and down direction of the front longitudinal beam.
Also, second buffering stand 9 in present embodiment include the plate that is connected on the inner panel 5 with institute
It states and forms the second reinforcement hollow cavity 91 between inner panel 5, formed between the second buffering stand 9 and the inner wall of inner panel 5 as a result,
One closed hollow structure, i.e., second reinforces using hollow cavity 91, plays booster action to inner panel 5, buffering is come from front transmitting
Force flow, reduce the bending angle of inner panel 5 herein.Specifically, referring to figure, in present embodiment, the second buffering stand 9 includes two
A plate, two plates are connected and are welded with inner panel 5 and outside plate 4 by being bent into certain shapes and being welded to each other
And second buffering stand 9 is constituted, and described two plates surround together with inner panel 5 and form described second and reinforce with hollow
Cavity 91.
It should be noted that in present embodiment, the first signified buffering stand 8 and 9 main body of the second buffering stand are
Refer to that each plays the part that main support reinforces buffer function, that is, first reinforces being reinforced with hollow cavity 81 and second
With 91 part of hollow cavity.
Preferably, in the back segment 3, the inner panel 5 deviates relative to the direction that outside plate 4 faces away from the outside plate 4
Angle beta, as a result, the center of gravity of front longitudinal beam is towards enging cabin internal blas, in the width direction of automobile in back segment 3
Close to power assembly installation point, be conducive to the transmission effect for improving collision force flow.
Referring to figure, deformation pattern of the front longitudinal beam of present embodiment when by head-on crash is shown, it can be seen that
In present embodiment, to absorb energy, middle section 2 occurs low-angle and bends and locally occur for the conquassation of leading portion 1 deformation of front longitudinal beam
Conquassation deformation is to absorb collision energy, and 3 rigidity of back segment is larger, and relative deformation is smaller, for transmitting collision force flow.Optimize as a result,
The deformation pattern of front longitudinal beam when head-on crash is allowed to be intended to ideal deformation pattern, improves the safety of vehicle frontal collision
Energy.
It is further preferred that the hollow cavity 6 of the leading portion 1 intercepted perpendicular to the longitudinal axis of the front longitudinal beam
Section has I shape, and specifically, on the front longitudinal beam, outside plate 4 and inner panel 5 are being located at front longitudinal beam from top to bottom
Middle position it is relatively narrow, and upper and lower part is broadening, to form the section of the I shape, thereby increases leading portion
1 section is conducive to the transmission efficiency for improving collision force flow.In addition, the plate thickness of the leading portion 1 can be less than the middle section
2 and the plate thickness of the back segment 3 and be advantageously implemented the light of front longitudinal beam to optimize the effect of the conquassation deformation energy-absorbing of leading portion 1
Quantization.
In addition, being provided on the inner panel 5 in the middle section 2 towards the power assembly peace on the inside of the enging cabin
Bracket 7 is filled, to be used to install power assembly, since rigidity is larger at power assembly installation point, to strengthen the longitudinal direction of inner panel 5
Rigidity, therefore in middle section 2, the thickness of the inner panel 5 can be less than the thickness of the outside plate 4, to be advantageously implemented front longitudinal beam
Lightweight.
Preferably, two installation points are arranged at intervals with along the longitudinal direction of the front longitudinal beam, the power assembly mounting bracket 7
71, and the inner panel 5 is formed with third rigidity on the part between described two installation points 71 and weakens predeformation knot
Structure, it includes the third groove 13 extended along the up and down direction of the front longitudinal beam that the third rigidity, which weakens predeformation structure, thus
Weaken predeformation structure by third rigidity and balance the inner panel 5 in middle section 2 and the rigidity of outside plate 4, when preventing collision front longitudinal beam to
Outer bending angle is excessive.
Another aspect according to the present utility model additionally provides a kind of automobile, is provided with automobile described in the utility model
Front longitudinal beam, be respectively formed with an institute along the two sides of the width direction of the enging cabin in the enging cabin of the automobile
State front longitudinal beam.
Preferred embodiments of the present invention, still, the utility model and unlimited are described in detail in conjunction with attached drawing above
In this.In the range of the technology design of the utility model, a variety of simple variants can be carried out to the technical solution of the utility model.
It is combined in any suitable manner including each particular technique feature.In order to avoid unnecessary repetition, the utility model
To various combinations of possible ways, no further explanation will be given.But these simple variants and combination equally should be considered as the utility model institute
Disclosure belongs to the protection scope of the utility model.
Claims (10)
1. a kind of front longitudinal beam of automobile, the front longitudinal beam has closed hollow cavity (6), positioned at the enging cabin of the automobile
In and substantially along the automobile longitudinal direction extend, the front longitudinal beam include towards on the outside of the enging cabin outside plate (4) and
Towards the inner panel (5) on the inside of the enging cabin, which is characterized in that the front longitudinal beam from front to back successively include leading portion (1), in
Section (2) and back segment (3), the outside plate (4) are formed on the part that the leading portion (1) and the middle section (2) have a common boundary for drawing
The first rigidity for leading the front longitudinal beam towards the enging cabin internal bend weakens predeformation structure, and the front longitudinal beam further includes
The first buffering stand (8) for being used to carry out the outside plate (4) rigidity reinforcement being set in the hollow cavity (6), it is described
The front end of the first buffering stand (8) main body is connected to the tail end that first rigidity weakens predeformation structure.
2. the front longitudinal beam of automobile according to claim 1, which is characterized in that first rigidity weakens predeformation structure packet
Include the first groove (12) of the up and down direction extension along the front longitudinal beam；And first buffering stand (8) includes being connected to
Plate on the outside plate (4) is reinforced using hollow cavity (81) to form first between the outside plate (4).
3. the front longitudinal beam of automobile according to claim 1, which is characterized in that the inner panel (5) is in the middle section (2) and institute
State back segment (3) boundary part on be formed with for guide the front longitudinal beam towards the enging cabin bend external second just
Degree weaken predeformation structure, the front longitudinal beam further include be set in the hollow cavity (6) for the inner panel (5) into
The second buffering stand (9) that row rigidity is reinforced, the front end of the second buffering stand (9) main body is connected to second rigidity and cuts
The tail end of weak predeformation structure.
4. the front longitudinal beam of automobile according to claim 3, which is characterized in that second rigidity weakens predeformation structure packet
Include the second groove (10) of the up and down direction extension along the front longitudinal beam；And second buffering stand (9) includes being connected to
Plate on the inner panel (5) is reinforced using hollow cavity (91) to form second between the inner panel (5).
5. the front longitudinal beam of automobile according to claim 1, which is characterized in that in the back segment (3), the inner panel (5)
The direction deviation angle β of the outside plate (4) is faced away from relative to outside plate (4).
6. the front longitudinal beam of automobile according to claim 1, which is characterized in that the leading portion (1) includes from the front longitudinal beam
The angled section (1 ') that front end extends back, in the angled section (1 '), the longitudinal axis of the front longitudinal beam is relative to institute
The longitudinal axis of automobile is stated towards the outside deviation angle α of the enging cabin.
7. the front longitudinal beam of automobile according to claim 1, which is characterized in that perpendicular to the longitudinal axis institute of the front longitudinal beam
The section of the hollow cavity (6) of the leading portion (1) of interception has I shape；Also, the plate thickness of the leading portion (1)
Less than the plate thickness of the middle section (2) and the back segment (3).
8. the front longitudinal beam of automobile according to claim 1, which is characterized in that in the middle section (2), the inner panel (5)
On be provided with towards the power assembly mounting bracket (7) on the inside of the enging cabin, the thickness of the inner panel (5) is less than described outer
The thickness of plate (4).
9. the front longitudinal beam of automobile according to claim 8, which is characterized in that along the longitudinal direction of the front longitudinal beam, the power
Two installation points (71) are arranged at intervals in assembly mounting bracket (7), and the inner panel (5) is being located at described two installation points
(71) it is formed with third rigidity on the part between and weakens predeformation structure, it includes edge that the third rigidity, which weakens predeformation structure,
The third groove (13) that the up and down direction of the front longitudinal beam extends.
10. a kind of automobile, which is characterized in that the front longitudinal beam of automobile described in any one of claim 1-9 is provided with, in institute
It states in the enging cabin of automobile and is respectively formed with the front longitudinal beam along the two sides of the width direction of the enging cabin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820458280.4U CN208411871U (en) | 2018-03-30 | 2018-03-30 | Automobile and its front longitudinal beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820458280.4U CN208411871U (en) | 2018-03-30 | 2018-03-30 | Automobile and its front longitudinal beam |
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| Publication Number | Publication Date |
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| CN208411871U true CN208411871U (en) | 2019-01-22 |
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ID=65118549
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820458280.4U Active CN208411871U (en) | 2018-03-30 | 2018-03-30 | Automobile and its front longitudinal beam |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111301533A (en) * | 2019-12-17 | 2020-06-19 | 重庆长安汽车股份有限公司 | Automobile front end structure and vehicle |
| CN112572608A (en) * | 2019-09-30 | 2021-03-30 | 比亚迪股份有限公司 | Vehicle body structure and vehicle |
| CN113232726A (en) * | 2021-04-29 | 2021-08-10 | 宝能(广州)汽车研究院有限公司 | Longitudinal beam reinforcing plate and preparation method thereof |
| CN115416750A (en) * | 2022-09-22 | 2022-12-02 | 重庆千能机械制造有限公司 | Automobile assembly type frame assembly structure |
-
2018
- 2018-03-30 CN CN201820458280.4U patent/CN208411871U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112572608A (en) * | 2019-09-30 | 2021-03-30 | 比亚迪股份有限公司 | Vehicle body structure and vehicle |
| CN112572608B (en) * | 2019-09-30 | 2022-04-15 | 比亚迪股份有限公司 | Vehicle body structure and vehicle |
| CN111301533A (en) * | 2019-12-17 | 2020-06-19 | 重庆长安汽车股份有限公司 | Automobile front end structure and vehicle |
| CN113232726A (en) * | 2021-04-29 | 2021-08-10 | 宝能(广州)汽车研究院有限公司 | Longitudinal beam reinforcing plate and preparation method thereof |
| CN115416750A (en) * | 2022-09-22 | 2022-12-02 | 重庆千能机械制造有限公司 | Automobile assembly type frame assembly structure |
| CN115416750B (en) * | 2022-09-22 | 2023-05-23 | 重庆千能机械制造有限公司 | Automobile assembled frame assembly structure |
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