CN114179912A - Front longitudinal beam reinforcing structure - Google Patents
Front longitudinal beam reinforcing structure Download PDFInfo
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- CN114179912A CN114179912A CN202111415888.1A CN202111415888A CN114179912A CN 114179912 A CN114179912 A CN 114179912A CN 202111415888 A CN202111415888 A CN 202111415888A CN 114179912 A CN114179912 A CN 114179912A
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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
- B62D21/155—Sub-frames or underguards
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Abstract
The invention provides a front longitudinal beam reinforcing structure, which belongs to the field of machinery and comprises a front longitudinal beam and a reinforcing plate; a groove is formed in one side of the front longitudinal beam; the reinforcing plate is arranged in the groove in a matched mode, a part fixed with the bottom of the groove is arranged, a rib groove is formed in one side, opposite to the bottom of the groove, of the reinforcing plate, the direction of an opening of the rib groove is consistent with that of the opening of the groove, and a gap is reserved between the bottom of the rib groove and the bottom of the groove; and reinforcing ribs are arranged in the rib grooves in a matched manner. The utility model provides a front longitudinal beam additional strengthening reserves the clearance between reinforcing plate and the front longitudinal beam in the induced region of bending, increases the strengthening rib that runs through around on the reinforcing plate to can effectively solve the poor problem of front longitudinal beam reinforcing plate energy-absorbing effect among the existing condition.
Description
Technical Field
The invention relates to the field of machinery, in particular to a front longitudinal beam reinforcing structure.
Background
With the increasing progress of the economic society, the design of light weight and the design of collision safety of automobiles become two major challenges of the automobile industry, and the light weight and the collision performance are often contradictory. Therefore, it has been the focus and hot spot of the structural design of the automobile body to simultaneously improve the lightweight level and the collision safety performance of the automobile. The front longitudinal beam of the automobile body bears most impact kinetic energy when the automobile is in frontal collision and is an important energy-absorbing component of the automobile body, the front longitudinal beam is used as a main energy-absorbing component of the automobile in frontal collision, and the induction structure of the front longitudinal beam has important influence on the collision resistance.
As shown in fig. 1a and fig. 1b, in the prior art, a bending deformation position of a middle section of a front longitudinal beam often guides the longitudinal beam to bend by adding an induction rib, in order to improve energy absorption of bending deformation, a reinforcing plate structure is usually added at the induction rib position, and energy absorption effects of different reinforcing plate structures are different. There are currently mainly two forms of stiffener plates: firstly, as shown in fig. 2, the position of the induction rib is not welded, meanwhile, a larger gap is kept between the reinforcing plate and the front longitudinal beam in the area, and the position of the induction rib is not reinforced, so that the front longitudinal beam is induced to bend in the area, but the reinforcing plate and the front longitudinal beam are welded less, the reinforcing effect is not obvious, and the bending energy absorption is less; secondly, as shown in fig. 3, the reinforcing plate is attached to and welded with the front longitudinal beam on the premise of meeting the corrosion prevention requirement, and although the induced rib is reinforced by the reinforcing plate structure, the longitudinal beam cannot be guided to be bent at the position during theoretical analysis and real vehicle test, so that the induced rib fails.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
The invention provides a front longitudinal beam reinforcing structure, which aims to solve the problem that a front longitudinal beam reinforcing plate in the prior art is poor in energy absorption effect.
In order to solve the problems, the invention adopts the following scheme:
a front longitudinal beam reinforcing structure comprises a front longitudinal beam and a reinforcing plate;
a groove is formed in one side of the front longitudinal beam;
the reinforcing plate is arranged in the groove in a matched mode, a part fixed with the bottom of the groove is arranged, a rib groove is formed in one side, opposite to the bottom of the groove, of the reinforcing plate, the direction of an opening of the rib groove is consistent with that of the opening of the groove, and a gap is reserved between the bottom of the rib groove and the bottom of the groove; and reinforcing ribs are arranged in the rib grooves in a matched manner.
The structure of the scheme is mainly used for solving the problem that the reinforcing plate of the front longitudinal beam in the prior art is poor in energy absorption effect, the groove is formed in one side of the front longitudinal beam, the reinforcing plate is arranged in the groove in a matched mode, and the application of the reinforcing plate is beneficial to deformation mode control and collision energy absorption of the front longitudinal beam; in addition, the reinforcing plate is provided with a rib groove close to the bottom of the groove, reinforcing ribs are arranged in the rib groove in a matched mode, the energy absorption effect of the reinforcing plate in bending deformation can be effectively improved due to the arrangement of the reinforcing ribs, the direction of the opening of the rib groove is consistent with that of the opening of the groove, a gap is reserved between the bottom of the rib groove and the bottom of the groove, namely a certain gap is reserved between the reinforcing plate and the front longitudinal beam in the area needing to be bent and deformed, and therefore the front longitudinal beam can be guided to be bent and deformed successfully.
Preferably, the middle part of the bottom of the groove is fixedly connected with the middle part of the bottom of the reinforcing plate, and the two inner side walls of the groove are fixedly connected with the two outer side walls of the reinforcing plate. In order to ensure the reinforcing effect and the induced bending effect simultaneously, the middle part of the bottom of the groove is fixedly connected with the middle part of the bottom of the reinforcing plate, and two inner side walls of the groove are fixedly connected with two outer side walls of the reinforcing plate; the middle part of the reinforcing plate is fixedly connected with the front longitudinal beam, so that the reinforcing effect can be ensured, and the induced bending effect can be ensured due to the gap between the induced bending area and the front longitudinal beam.
Preferably, the rib groove comprises a rib groove A and a pair of rib grooves B, the rib groove A is positioned in the middle of the bottom of the reinforcing plate, and the extending directions of the rib groove A and the rib groove B are the same; the reinforcing ribs extend along the length direction of the rib grooves A.
For promoting the energy-absorbing effect of reinforcing plate in bending the deformation, be provided with the strengthening rib at rib groove A and a pair of rib groove B fit in, the strengthening rib is followed rib groove A's length direction extends for the tip of front longitudinal beam is no matter from where buckling, and the homoenergetic is guaranteed the energy-absorbing effect in bending the deformation through the strengthening rib that corresponds the position.
Preferably, the pair of rib grooves B are symmetrically arranged at the bottom of the reinforcing plate, and the depth of the rib groove a is the same as that of the rib groove B, so that the reinforcing plate is stable in the whole structure.
Preferably, the middle part of the bottom of the front longitudinal beam is provided with a protrusion, the protrusion is fixedly connected with the rib groove A, the reinforcing plate is prevented from being suspended, and the reinforcing effect is improved.
The bulge with rib groove A fixed connection, if the welding, the main effect of playing also avoids the reinforcing plate unsettled, promotes the enhancement effect, for the convenience of inducing the front longitudinal to produce in this region and bend, bellied bottom interconnects with rib groove A's bottom and can form a middle fixed, both sides unsettled reinforcing plate structure to the convenient strengthening rib position in the reinforcing plate both sides takes place to buckle.
Preferably, the groove is arranged along the extending direction of the front side frame, that is, the reinforcing plate is arranged along the extending direction of the front side frame, so that the crashworthiness of the whole front side frame is greatly improved.
Preferably, the bottom width of muscle groove is less than 1/3 of the bottom width of recess, if the bottom width of muscle groove is too wide, can make the arch with the face of being connected of the bottom of muscle groove A is less, and the reinforcing plate is connected less with the front longitudinal, leads to easily that the energy-absorbing of bending is less, and the reinforcing effect is not obvious.
Preferably, the two lateral sides of the reinforcing plate are attached to the two lateral sides of the front longitudinal beam, so that the reinforcing plate does not move relative to the front longitudinal beam when being installed stably, in the scheme, the two lateral sides of the reinforcing plate are attached to the two lateral sides of the front longitudinal beam, the bottom outer side of the reinforcing plate is fixedly arranged with the bottom inner side of the front longitudinal beam, and therefore the reinforcing plate can be fixed in the groove of the front longitudinal beam.
The clearance is 6mm, the degree of depth of muscle groove is 8 mm.
In order to guarantee the energy-absorbing effect that the front longitudinal beam is bent and the strengthening rib, learn through a large amount of experiments in this scheme, be 6mm when the clearance, when the degree of depth in rib groove is 8mm, can effectively guarantee that above-mentioned performance is in better level, and be convenient for install the reinforcing plate inside the recess of front longitudinal beam.
Preferably, the bottom of the groove is parallel to the bottom of the rib groove, so that the front longitudinal beam can correspond to the reinforcing rib on the same side when being bent, and the energy absorption effect of the reinforcing rib in bending deformation is ensured.
Compared with the prior art, the invention has the following beneficial effects:
the front longitudinal beam reinforcing structure comprises a front longitudinal beam and a reinforcing plate, wherein a groove is formed in one side of the front longitudinal beam, a part fixed with the bottom of the groove is formed in the front longitudinal beam to ensure the reinforcing effect, the reinforcing plate is arranged in the groove in a matched mode, and the application of the reinforcing plate is beneficial to deformation mode control and collision energy absorption of the front longitudinal beam; reinforcing ribs are arranged on one side of the reinforcing plate, which is opposite to the bottom of the groove, and the energy absorption effect of the reinforcing plate in bending deformation is improved through the reinforcing ribs; in order to ensure that the front longitudinal beam can be successfully guided to bend and deform, the front longitudinal beam cannot be reinforced in the areas of the two ends of the front longitudinal beam, so that a gap is reserved between the bottom of the rib groove and the bottom of the groove, the front longitudinal beam can be successfully guided to bend at the position through the arrangement of the gap, after the structure is used, the automobile collision acceleration descending trend is obviously changed, and the energy absorption effect is obvious.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1a and fig. 1b are schematic structural diagrams of a conventional front longitudinal beam reinforcing plate provided in the background art of the present invention from two different viewing angles;
FIG. 2 is a view of one form of conventional front rail stiffener provided in the background of the invention;
FIG. 3 is a second conventional front rail stiffener form provided in the background of the invention;
fig. 4 is a schematic structural view of a front longitudinal beam reinforcing plate structure according to an embodiment of the present invention;
fig. 5 is a cross-sectional view B-B of the schematic structure shown in fig. 4.
In the above figures, the list of parts represented by the various reference numerals is as follows:
an old structural front stringer-a; an old structural reinforcement plate-b; old structure inducing ribs-c; a front longitudinal beam-1; a reinforcing plate-2; rib grooves A-3; rib grooves B-4; and (5) a protrusion.
Detailed Description
In order to make the above and other features and advantages of the present invention more apparent, the present invention is further described below with reference to the accompanying drawings. It is understood that the specific embodiments described herein are for purposes of illustration only and are not intended to be limiting.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Referring to fig. 4 and 5, the front side member reinforcing structure provided by the present invention includes a front side member 1 and a reinforcing plate 2; one side of the front longitudinal beam 1 is provided with a groove; the reinforcing plate 2 is arranged in the groove in a matched mode, a part fixed with the bottom of the groove is arranged, a rib groove is formed in one side, opposite to the bottom of the groove, of the reinforcing plate 2, the direction of an opening of the rib groove is consistent with that of an opening of the groove, and a gap is reserved between the bottom of the rib groove and the bottom of the groove; the rib groove is internally provided with a reinforcing rib in a matching way.
It should be noted that the grooves in the present embodiment are named for convenience of describing the structure or profile of the reinforcing bars, and in the specific embodiment, the grooves in the drawings can be regarded as the reinforcing bars themselves.
It is known that front side members on the left and right sides of a front portion of a vehicle body are mainly responsible for energy absorption in a frontal collision or the like, and are also a main structure of a cab for preventing deformation. Generally, the front portion of the front side member 1 takes on an energy absorbing function, while the rear portion of the front side member 1 is close to the cab, and therefore, it is necessary to protect the personal safety of the driver and the passengers by reducing the amount of intrusion into the cab during a collision by resisting deformation in the event of a frontal collision, an offset collision, or the like.
The strength of the existing automobile front longitudinal beam cannot ensure that the driver and passengers are sufficiently protected during the frontal collision of the automobile, so that great harm is often caused to the driver and other passengers during the collision. In order to avoid or reduce the injury, the front longitudinal beam structure can be improved except for increasing the thickness or adopting a material with higher strength, so that the front longitudinal beam structure has a reasonable buffering energy-absorbing structure, when a vehicle collides with the front side, the front longitudinal beam structure is crushed and deformed through the front longitudinal beam structure, a satisfactory energy-absorbing effect is obtained, the force and the acceleration acting on a passenger are reduced, the injury of personnel is reduced, and the personal safety is ensured. In view of this, in many prior art, a reinforcing plate is arranged inside a front side member of an automobile, and the reinforcing plate of the front side member of the automobile can effectively absorb and attenuate impact energy during vehicle collision, so that the force transmission performance of a rear bearing area is greatly enhanced, and more impact energy can be absorbed during deformation.
The structure of the scheme is mainly used for solving the problem that the front longitudinal beam reinforcing plate in the existing situation is poor in energy absorption effect, the groove is formed in one side of the front longitudinal beam 1, the reinforcing plate 2 is arranged in the groove in a matched mode, the reinforcing plate 2 is provided with a part fixed with the bottom of the groove, and the application of the reinforcing plate 2 is beneficial to deformation mode control and collision energy absorption of the front longitudinal beam 1; the section of the groove of the scheme is similar to U-shaped, the section of the reinforcing plate 2 which is matched and arranged in the groove is also similar to U-shaped, and the bottom parts of the U-shaped and the U-shaped are in area contact and connected with each other; in addition, the bottom of the reinforcing plate 2 close to the groove is provided with a rib groove, reinforcing ribs are arranged in the groove in a matched mode, the reinforcing ribs extend along the length direction of the rib groove, the energy absorption effect of the reinforcing plate 2 in bending deformation is improved by adding the reinforcing ribs, the direction of the opening of the rib groove is consistent with that of the opening of the groove, a gap is reserved between the bottom of the rib groove and the bottom of the groove, namely, a certain gap is reserved between the reinforcing plate 2 and the front longitudinal beam 1 in an area needing bending deformation, and therefore the bending deformation of the front longitudinal beam 1 can be successfully guided.
In order to ensure the reinforcing effect and the induced bending effect simultaneously, the middle part of the bottom of the groove in the scheme is fixedly connected with the middle part of the bottom of the reinforcing plate 2, and two inner side walls of the groove are fixedly connected with two outer side walls of the reinforcing plate 2; the middle part of the reinforcing plate 2 is fixedly connected with the front longitudinal beam 1, so that the reinforcing effect can be ensured, and a gap exists between the induced bending area and the front longitudinal beam 1, so that the induced bending effect can be ensured.
Further, the rib grooves comprise a rib groove A3 and a pair of rib grooves B4, the rib groove A3 is located in the middle of the bottom of the reinforcing plate 2, and the extending directions of the rib groove A3 and the rib groove B4 are the same; the reinforcing ribs extend along the length of the rib grooves a 3.
In order to improve the energy absorption effect of the reinforcing plate 2 in bending deformation, a rib groove A3 and a pair of rib grooves B4 are arranged on one side of the reinforcing plate 2, which is opposite to the bottom of the groove, the rib groove A3 is located in the middle of the bottom of the reinforcing plate 2, and the extending directions of the rib groove A3 and the rib groove B4 are the same; the reinforcing ribs extend along the length direction of the rib grooves A3 or B4; no matter how the end part of the front longitudinal beam 1 is bent, the energy absorption effect in bending deformation can be ensured through the reinforcing ribs at corresponding positions, and a gap is reserved between the bottom of the rib groove B4 and the bottom of the groove, namely a certain gap is reserved between the reinforcing plate 2 and the front longitudinal beam 1 in the area needing bending deformation, so that the bending deformation of the front longitudinal beam 1 can be successfully guided; if adopt the strengthening rib of unilateral setting in this scheme, current longeron 1 direction of bending is regional different with the arrangement of strengthening rib, and the strengthening rib can't play fine energy-absorbing effect.
In order to improve the energy absorption effect of the reinforcing plate 2 in bending deformation, reinforcing ribs are arranged in the rib groove A3 and the pair of rib grooves B4 in a matched mode, and extend along the length direction of the rib groove A3 or the rib groove B4, so that the end portion of the front longitudinal beam 1 can be bent from any place, and the energy absorption effect in bending deformation can be guaranteed through the reinforcing ribs in corresponding positions.
In another embodiment, a pair of rib grooves B4 are symmetrically arranged at the bottom of the reinforcing plate 2, and the depth of the rib groove A3 is the same as that of the rib groove B4, so that the reinforcing plate 2 is stable in overall structure.
Further, the middle part of the bottom of the front longitudinal beam 1 is provided with a protrusion 5, the protrusion 5 is fixedly connected with the rib groove A3, the reinforcing plate 2 is prevented from being suspended, and the reinforcing effect is improved.
The protrusions 5 are fixedly connected with the rib grooves A3, if welding is carried out, the main function is to prevent the reinforcing plate 2 from being suspended, the reinforcing effect is improved, in order to induce the front longitudinal beam 1 to bend in the area, the bottoms of the protrusions 5 and the bottoms of the rib grooves A3 are mutually connected to form a reinforcing structure with the middle fixed and the two sides suspended, and therefore the reinforcing ribs on the two sides of the reinforcing plate 2 are convenient to bend; in the embodiment, the top of the protrusion 5 and the bottom of the rib groove A3 are both horizontally arranged and can be mutually attached, so that the welding is convenient; in another embodiment, the top of the protrusion 5 and the bottom of the rib groove a3 are arranged in parallel; during specific manufacturing, certain gaps are reserved between the reinforcing ribs and the bottom and the side walls of the front longitudinal beam 1; the section of the rib groove B4 and the side wall connecting surface of the reinforcing plate 2 is in a convex arc shape, and the arc surface is positioned above the bottom of the reinforcing plate 2, so that the region can not be subjected to brittle fracture due to excessive stress concentration during collision.
Further, the clearance is 6mm, and the depth of muscle groove is 8 mm.
In order to ensure the energy absorption effect of the front longitudinal beam 1 during bending and the reinforcing ribs, a large number of experiments show that when the gap is 6mm and the depth of the rib groove is 8mm, the same collision working condition is adopted, the front longitudinal beam 1 is bent and deformed, the descending trend of the collision acceleration is obviously changed, the speed is reduced from 30g to about 20g, and the energy absorption effect is obvious.
Further, the grooves are arranged along the extending direction of the front side frame 1, that is, the reinforcing plate 2 is arranged along the extending direction of the front side frame 1, so that the crashworthiness of the whole front side frame 1 is greatly improved.
In specific application, the grooves are arranged along the extending direction of the front longitudinal beam 1, namely the reinforcing plate 2 is arranged along the extending direction of the front longitudinal beam 1, so that a plurality of ridge lines of the reinforcing plate 2 can penetrate through the extending direction of the front longitudinal beam 1, and when collision occurs, the reinforcing plate 2 is applied to ensure that the front longitudinal beam 1 has stepped distribution from front to back, thereby being more beneficial to deformation mode control and collision energy absorption of the front longitudinal beam 1; reinforcing ribs are arranged on two sides of the bottom, close to the groove, of the reinforcing plate 2, and the energy absorption effect of the reinforcing plate 2 in bending deformation is improved through the reinforcing ribs.
Furthermore, the width of the bottom of the rib groove A3 is smaller than the width of the bottom of the groove 1/3, if the width of the bottom of the rib groove A3 is too wide, the connecting surface between the bottom of the protrusion 5 and the bottom of the rib groove A3 is smaller, the connection between the reinforcing plate 2 and the front longitudinal beam 1 is less, so that less bending energy absorption is easily caused, and the reinforcing effect is not obvious; when the width of the bottom of the rib groove A3 is less than 1/3 of the width of the bottom of the groove, the requirement that the connection surface of the protrusion 5 and the rib groove A3 is large is met, and welding is firmer.
Further, the both sides outside of reinforcing plate 2 sets up with the inboard laminating in both sides of front longitudinal 1, and in order to guarantee the stability of reinforcing plate 2 when the installation, not take place relative motion with front longitudinal 1 within a definite time, the both sides outside of reinforcing plate 2 sets up with the inboard laminating in both sides of front longitudinal 1 in this scheme, and the bottom outside of reinforcing plate 2 sets up with the inboard fixed in bottom of front longitudinal 1 to can fix reinforcing plate 2 in the recess of front longitudinal 1.
Furthermore, the bottom of the groove is parallel to the bottom of the rib groove, so that the front longitudinal beam 1 corresponds to the reinforcing rib on the same side when being bent, and the energy absorption effect of the reinforcing rib in bending deformation is ensured.
According to the front longitudinal beam reinforcing structure provided by the application, the groove is formed in one side of the front longitudinal beam 1, the part, fixed with the bottom of the groove, of the front longitudinal beam 1 is arranged to ensure the reinforcing effect, and the reinforcing plate 2 is arranged in the groove in a matched mode, so that the deformation mode control and collision energy absorption of the front longitudinal beam 1 are facilitated; reinforcing ribs are arranged on one side of the reinforcing plate 2, which is opposite to the bottom of the groove, and the energy absorption effect of the reinforcing plate 2 in bending deformation is improved through the reinforcing ribs; in order to ensure that the front longitudinal beam 1 can be successfully guided to bend and deform, the front longitudinal beam 1 cannot be reinforced in the two end regions of the front longitudinal beam 1, so that a gap is reserved between the bottom of a rib groove and the bottom of a groove, the front longitudinal beam 1 can be successfully guided to bend at the position through the gap, and relevant experiments prove that when the device is installed on the automobile front longitudinal beam 1, the automobile collision acceleration descending trend is obviously changed, and the energy absorption effect is obvious.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111415888.1A CN114179912B (en) | 2021-11-25 | 2021-11-25 | Front longitudinal beam reinforcement structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111415888.1A CN114179912B (en) | 2021-11-25 | 2021-11-25 | Front longitudinal beam reinforcement structure |
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| CN114179912A true CN114179912A (en) | 2022-03-15 |
| CN114179912B CN114179912B (en) | 2025-02-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115649291A (en) * | 2022-10-27 | 2023-01-31 | 岚图汽车科技有限公司 | Front auxiliary frame |
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| KR19980020595U (en) * | 1996-10-15 | 1998-07-15 | 박병재 | Front side member reinforcement structure of vehicle |
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| CN212099071U (en) * | 2020-03-06 | 2020-12-08 | 广州汽车集团股份有限公司 | A front longitudinal beam structure and vehicle |
| CN112623029A (en) * | 2019-10-08 | 2021-04-09 | 广州汽车集团股份有限公司 | Automobile longitudinal beam |
| CN216468089U (en) * | 2021-11-25 | 2022-05-10 | 阿尔特汽车技术股份有限公司 | Front longitudinal beam reinforcing structure |
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2021
- 2021-11-25 CN CN202111415888.1A patent/CN114179912B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980020595U (en) * | 1996-10-15 | 1998-07-15 | 박병재 | Front side member reinforcement structure of vehicle |
| JP2009179301A (en) * | 2008-02-01 | 2009-08-13 | Mazda Motor Corp | Energy absorbing structure for automobile |
| CN109204471A (en) * | 2018-10-26 | 2019-01-15 | 众泰新能源汽车有限公司 | Electric car lower frame and electric car |
| CN110282016A (en) * | 2019-06-20 | 2019-09-27 | 浙江吉利控股集团有限公司 | A kind of longitudinal beam reinforcing plate structure and automobile |
| CN112623029A (en) * | 2019-10-08 | 2021-04-09 | 广州汽车集团股份有限公司 | Automobile longitudinal beam |
| CN212099071U (en) * | 2020-03-06 | 2020-12-08 | 广州汽车集团股份有限公司 | A front longitudinal beam structure and vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115649291A (en) * | 2022-10-27 | 2023-01-31 | 岚图汽车科技有限公司 | Front auxiliary frame |
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| CN114179912B (en) | 2025-02-18 |
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