CN210258560U - Front-end reinforced automobile front longitudinal beam - Google Patents
Front-end reinforced automobile front longitudinal beam Download PDFInfo
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- CN210258560U CN210258560U CN201921220782.4U CN201921220782U CN210258560U CN 210258560 U CN210258560 U CN 210258560U CN 201921220782 U CN201921220782 U CN 201921220782U CN 210258560 U CN210258560 U CN 210258560U
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Abstract
The utility model relates to a front section reinforced automobile front longitudinal beam, which comprises a front longitudinal beam outer plate and a front longitudinal beam inner plate, wherein the front longitudinal beam outer plate and the front longitudinal beam inner plate are encircled to form a front longitudinal beam body with an internal cavity I; the Y direction and the Z direction of the front longitudinal beam are both strengthened; meanwhile, the bearing capacity of the section at the corresponding position is favorably and effectively increased, and the energy absorption, vibration reduction and improvement of the stability and rigidity of the whole structure are favorably realized; and the whole structure is simple, and the installation is convenient.
Description
Technical Field
The utility model relates to a longeron before the car especially relates to a longeron before anterior segment strenghthened type car.
Background
The good body structure is the basis for ensuring the safety performance of the automobile. As an important component of a vehicle body structure, a front side member of an automobile plays a very important role in a frontal collision, and the structural form of a front side member front section differs depending on the type of vehicle. The additional strengthening of traditional front longitudinal anterior segment is mainly connected and is formed through spot welding by two or more spare parts such as inside reinforcing plate and front longitudinal inner panel, the planking, and general inside reinforcing plate is along front longitudinal inner panel or planking towards X direction laminating design, this kind of inside reinforcing plate and front longitudinal inner panel, the planking is connected through spot welding, do not form totally enclosed cross-section cavity, the section bearing capacity who easily causes this position department is not enough, holistic stability and rigidity are not high, influence automobile body structure's security.
Based on above problem, the utility model provides an anterior segment strenghthened type automobile front longitudinal. According to the automobile front longitudinal beam, the inner reinforcing part is designed at the front section of the front longitudinal beam, so that the Y direction and the Z direction of the front longitudinal beam are both reinforced; meanwhile, a plurality of closed cavity structures are formed, so that the bearing capacity of the section at the corresponding position is favorably and effectively increased, the energy absorption and vibration reduction are favorably realized, and the stability and the rigidity of the whole structure are favorably improved; and the whole structure is simple, and the installation is convenient.
SUMMERY OF THE UTILITY MODEL
In view of this, the front section reinforced automobile front longitudinal beam of the present invention has the inner reinforcement designed on the front section of the front longitudinal beam, so that the Y direction and the Z direction of the front longitudinal beam are both reinforced; meanwhile, a plurality of closed cavity structures are formed, so that the bearing capacity of the section at the corresponding position is favorably and effectively increased, the energy absorption and vibration reduction are favorably realized, and the stability and the rigidity of the whole structure are favorably improved; and the whole structure is simple, and the installation is convenient.
The utility model discloses a front section strenghthened type automobile front longitudinal, including front longitudinal planking and front longitudinal inner panel, front longitudinal planking and front longitudinal inner panel surround into the front longitudinal body that has inside cavity I, the inside cavity I of front longitudinal body front section is in the side wall laminating of inside cavity I and is provided with inside reinforcement; the front longitudinal beam inner plate is of an open groove type structure with a notch facing the front longitudinal beam outer plate, and the top ends (namely the notches) of two groove edges of the front longitudinal beam inner plate are fixed on the outer side wall of the front longitudinal beam outer plate and surround with the front longitudinal beam outer plate to form an inner cavity I of the front longitudinal beam; the internal reinforcing piece is arranged in the internal cavity I, and the outer side wall of the internal reinforcing piece is correspondingly attached to the side wall of the internal cavity I; the reinforcing structure is beneficial to reinforcing the front longitudinal beam in the X direction and reinforcing the front longitudinal beam in the Y direction and the Z direction; the X direction refers to the front-back direction of the automobile, the Y direction refers to the left-right direction of the automobile, and the Z direction refers to the up-down direction of the automobile; the front section refers to the front section of the front longitudinal beam of the automobile, and the front refers to the front of the automobile; the connection of the front longitudinal beam inner plate and the front longitudinal beam outer plate belongs to the prior art, such as buckling connection or spot welding connection, and is not described herein again.
Further, the internal reinforcement is an annular reinforcement and forms an internal cavity III communicated with the internal cavity I; the inner cavity III is an inner cavity formed by the annular reinforcing piece; the three groove edges of the internal reinforcing part close to the front longitudinal beam inner plate and the joint connection of the internal reinforcing part close to the front longitudinal beam outer plate are facilitated and are used for fixing and reinforcing the internal reinforcing part on the front longitudinal beam inner plate and the front longitudinal beam outer plate;
further, the internal reinforcing piece is positioned at the longitudinal front section of the internal cavity I of the front longitudinal beam and forms an internal cavity II structure of the internal reinforcing piece; the inner reinforcing part is fixedly attached to the inner side wall of the front longitudinal beam inner plate and the outer side wall of the front longitudinal beam outer plate, and the inner cavity II is communicated with the inner cavity I at the position far away from the end part of the front section of the front longitudinal beam body; the inner part refers to the direction from the outer part of the front longitudinal beam inner plate to the center of the groove-shaped structure of the front longitudinal beam inner plate, and the outer part refers to the direction from the front longitudinal beam outer plate to the bottom edge of the groove of the front longitudinal beam inner plate; the connection technology of the internal reinforcing part and the front longitudinal beam inner plate and the front longitudinal beam outer plate belongs to the prior art, such as welding and the like, and is not described again;
further, a plurality of inner cavities II are formed by nonlinear fit parts between the inner reinforcing piece and the side wall of the inner cavity I; the three groove edges of the internal reinforcing part close to the front longitudinal beam inner plate and the positions of the internal reinforcing part close to the front longitudinal beam outer plate are approximately linearly attached and connected and are used for fixing the internal reinforcing part on the front longitudinal beam inner plate and the front longitudinal beam outer plate; the internal reinforcing part forms a longitudinal internal cavity II corresponding to three groove edges of the front longitudinal beam inner plate and included angles formed by encircling with the front longitudinal beam outer plate, and preferably forms a longitudinal internal cavity II corresponding to four included angles, so that the bearing capacity of the section at the corresponding position is effectively improved, and the integral stability and rigidity are improved; the longitudinal direction herein refers to the front-rear direction of the automobile;
further, the front longitudinal beam inner plate is provided with an inward bulge part I; the inner part refers to the direction from the bottom edge of the front longitudinal beam inner plate to the front longitudinal beam outer plate; the bulge part I bulges towards the direction of the outer plate of the front longitudinal beam; the inner reinforcing piece is provided with a convex part II corresponding to the convex part I in a form-fitting manner; the bulge II is in shape-conforming (the shape of the bulge I facing the outer plate side of the front longitudinal beam) corresponding to the bulge I and protrudes towards the outer plate direction of the front longitudinal beam, the bulge I and the bulge II are not completely jointed to form a longitudinal inner cavity II, so that the section bearing capacity of the reinforced part of the inner reinforcement is effectively improved, and the overall stability is improved;
further, the front longitudinal beam outer plate is provided with an outward bulge part III; the outer here means a direction from the front side member outer panel toward the groove bottom edge of the front side member inner panel; the convex part III is convex towards the inner side of the front longitudinal beam; the inner reinforcing piece is provided with a convex part IV corresponding to the convex part III in a form-fitting manner; the bulge IV corresponds to the bulge III and is protruded towards the direction of the bottom edge of the front longitudinal beam inner plate in a shape (the shape of the bulge III facing the front longitudinal beam inner plate side is adapted) corresponding to the bulge III, the bulge III and the bulge IV are not completely jointed, and a longitudinal inner cavity II is formed, so that the section bearing capacity of the reinforced part of the inner reinforcement is further improved effectively, and the overall stability is improved;
furthermore, after the internal reinforcing piece is correspondingly installed, the front end of the internal reinforcing piece longitudinally protrudes and exceeds the front section end part of the front longitudinal beam body; here, front means a direction toward the front of the automobile, and longitudinal means a front-rear direction of the automobile; the length of the internal reinforcing part which exceeds the front sections of the front longitudinal beam inner plate and the front longitudinal beam outer plate forwards is beneficial to sealing the end parts (front ends) of the internal cavity I, the multiple internal cavities II and the internal cavity III simultaneously;
further, a sealing installation piece is arranged at the end part of the longitudinal front section of the front longitudinal beam body and used for installing corresponding components on the front longitudinal beam body and forming sealing for the plurality of internal cavities II and the internal cavities III; the installation of the front longitudinal beam and corresponding components is facilitated, and meanwhile, the end parts (front ends) of the inner cavity I, the plurality of inner cavities II and the inner cavity III are sealed at the same time; the formation of the closed multi-cavity structure is beneficial to effectively increasing the section bearing capacity of the front part of the front longitudinal beam, reducing the deformation of the front longitudinal beam when being impacted, playing more roles in absorbing energy and damping vibration and simultaneously being beneficial to improving the overall stability and rigidity;
further, an installation positioning hole is formed in the inner reinforcing part close to the outer plate side of the front longitudinal beam; the positioning and the installation of corresponding parts are facilitated; the front section of the front longitudinal beam inner plate is provided with a plurality of mounting positioning holes;
the utility model discloses in, X is to the fore-and-aft direction that is the car, and Y is to the left and right sides direction that is the car, and Z is to the upper and lower direction that is the car.
The utility model has the advantages that: the front section reinforced automobile front longitudinal beam of the utility model is beneficial to the front longitudinal beam to be reinforced in the X direction and also in the Y direction and the Z direction by adding the internal reinforcement at the front section of the front longitudinal beam; meanwhile, a closed multi-cavity structure is formed by poking, so that the bearing capacity of the section at the corresponding position is favorably and effectively increased, the energy absorption and vibration reduction are favorably realized, and the stability and the rigidity of the whole structure are favorably improved; and the whole structure is simple, and the installation is convenient.
Drawings
The invention will be further described with reference to the following figures and examples:
fig. 1 is a schematic view of a partial structure of the present invention;
FIG. 2 is a schematic view of FIG. 1 taken along line A;
FIG. 3 is a schematic view of the internal reinforcement structure of the present invention;
fig. 4 is a schematic view of the installation structure of the present invention.
Detailed Description
Fig. 1 is the local structure schematic diagram of the utility model, fig. 2 is a to the schematic diagram of fig. 1, fig. 3 is the utility model discloses an inside reinforcement structure schematic diagram, fig. 4 is the utility model discloses an overall structure schematic diagram, as shown in the figure: the front-section reinforced automobile front longitudinal beam comprises a front longitudinal beam outer plate 1 and a front longitudinal beam inner plate 2, wherein the front longitudinal beam outer plate 1 and the front longitudinal beam inner plate 2 enclose a front longitudinal beam body with an internal cavity I, and an internal reinforcing part 3 is attached to the side wall of the internal cavity I in the internal cavity I of the front section of the front longitudinal beam body; the front longitudinal beam inner plate 2 is of an open groove type structure with a notch facing the front longitudinal beam outer plate 1, and the top ends (namely the notches) of two groove edges of the front longitudinal beam inner plate 2 are fixed on the outer side wall of the front longitudinal beam outer plate 1 and surround with the front longitudinal beam outer plate 1 to form an inner cavity I of the front longitudinal beam body; the internal reinforcing part 3 is arranged in the internal cavity I, and the outer side wall of the internal reinforcing part 3 is correspondingly attached to the side wall of the internal cavity I; the reinforcing structure is beneficial to reinforcing the front longitudinal beam in the X direction and reinforcing the front longitudinal beam in the Y direction and the Z direction; the X direction refers to the front-back direction of the automobile, the Y direction refers to the left-right direction of the automobile, and the Z direction refers to the up-down direction of the automobile; the front section refers to the front section of the front longitudinal beam of the automobile, and the front refers to the front of the automobile; the connection between the front longitudinal beam inner plate 2 and the front longitudinal beam outer plate 1 belongs to the prior art, such as snap connection or spot welding connection, and is not described herein again.
In this embodiment, the internal reinforcement is an annular reinforcement and forms an internal cavity III5 communicating with the internal cavity I; the internal cavity III5 is the internal cavity formed by the annular reinforcing piece; the three groove edges of the front longitudinal beam inner plate and the three groove edges of the front longitudinal beam outer plate are close to the inner reinforcement, the inner reinforcement is attached to the front longitudinal beam outer plate and used for fixing and reinforcing the inner reinforcement on the front longitudinal beam inner plate and the front longitudinal beam outer plate.
In this embodiment, the internal reinforcement 3 is located at the longitudinal front section of the front side rail internal cavity I and forms an internal cavity II6 structure of the internal reinforcement 3; the inner reinforcement 3 is fixedly attached to the inner side wall of the front longitudinal beam inner plate 2 and the outer side wall of the front longitudinal beam outer plate 1, and the inner cavity II6 is communicated with the inner cavity I at the position far away from the front section end of the front longitudinal beam body; the inner part refers to the direction from the outer part of the front side frame inner plate 2 to the center of the groove-shaped structure of the front side frame inner plate, and the outer part refers to the direction from the front side frame outer plate 1 to the bottom edge of the groove of the front side frame inner plate 1; the front section refers to the front section of the front longitudinal beam of the automobile, and the front refers to the front of the automobile; the connection technology of the internal reinforcing part 3 and the front longitudinal beam inner plate 2 and the front longitudinal beam outer plate 1 belongs to the prior art, such as welding and the like, and is not described in detail herein.
In this embodiment, the non-linear fitting portions between the internal reinforcement 3 and the side walls of the internal cavity I form a plurality of internal cavities II 6; the three groove edges of the internal reinforcement 3 close to the front longitudinal beam inner plate 2 and the positions close to the front longitudinal beam outer plate 1 are approximately linearly attached and connected and are used for fixing the internal reinforcement 3 on the front longitudinal beam inner plate 2 and the front longitudinal beam outer plate 1; the internal reinforcing part 3 forms a longitudinal internal cavity II6 corresponding to three groove edges of the front longitudinal beam inner plate 2 and included angles formed by encircling with the front longitudinal beam outer plate 1, and preferably forms a longitudinal internal cavity II6 corresponding to four included angles, so that the section bearing capacity of the corresponding position is effectively improved, and the integral stability and rigidity are improved; the longitudinal direction herein refers to the front-rear direction of the automobile.
In the present embodiment, the front side member inner panel 2 is provided with an inward protruding portion I21; the inner means here is the direction from the bottom edge of the front side member inner panel 2 to the front side member outer panel 1; the convex part I21 is convex towards the direction of the front longitudinal beam outer panel 1; the inner reinforcing piece 3 is provided with a convex part II32 corresponding to the convex part I21 in a form-fitting manner; boss II32 corresponds boss I21 department and conforms to (the shape of adaptation boss I21 towards the front longitudinal outer panel 1 side) and is protruding towards front longitudinal outer panel 1 direction, not laminating completely between boss I21 and boss II32 forms fore-and-aft inside cavity II6, does benefit to the section bearing capacity who effectively increases inside reinforcement 3 reinforcing department, promotes whole steadiness.
In the present embodiment, the front side member outer panel 1 is provided with an outward projecting portion III 11; here, the outer means a direction from the front side member outer panel 1 toward the groove bottom edge of the front side member inner panel 2; the convex portion III11 is convex toward the side member inner panel 2; the inner reinforcing piece 3 is provided with a convex part IV31 corresponding to the convex part III11 in a form-fitting manner; the boss IV31 corresponds boss III11 department and forms a shape (adaptation boss III11 is towards the shape of front longitudinal beam inner panel 2 side) and is protruding towards the tank bottom side direction of front longitudinal beam inner panel 2, laminating totally not between boss III11 and boss IV31 to form fore-and-aft inside cavity II6, further do benefit to the section bearing capacity who effectively increases inside reinforcement 3 reinforcing department, promote whole steadiness.
In this embodiment, the front end of the internal reinforcement 3 protrudes longitudinally beyond the front end of the front longitudinal beam body after being installed correspondingly; here, front means a direction toward the front of the automobile, and longitudinal means a front-rear direction of the automobile; the inner reinforcement 3 extends forward beyond the length of the front sections of the front side member inner panel 2 and the front side member outer panel 1, and facilitates simultaneous sealing of the ends (front ends) of the inner cavity I, the plurality of inner cavities II6, and the inner cavity III 5.
In this embodiment, the front longitudinal beam body is provided with a seal mounting member 4 at the end of the front longitudinal beam body, for mounting the corresponding components on the front longitudinal beam body and forming a seal for the plurality of internal cavities II6 and the internal cavity III 5; the installation of the front longitudinal beam and the corresponding components is facilitated, and meanwhile, the end parts (front ends) of the inner cavity I, the plurality of inner cavities II6 and the inner cavity III5 are sealed simultaneously; the formation of confined multi-chamber structure does benefit to the anterior section bearing capacity of effective increase front longitudinal, reduces the deformation of front longitudinal when receiving the impact, plays more energy-absorbing damping effect, does benefit to simultaneously and has promoted overall stability and rigidity.
In this embodiment, the side of the internal reinforcement 3 close to the front side member outer panel 1 is provided with an installation positioning hole 33; the positioning and the installation of corresponding parts are facilitated; the front section of the front side member inner panel 2 is provided with a plurality of mounting positioning holes 22.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (9)
1. The utility model provides a longeron before anterior segment strenghthened type car which characterized in that: the front longitudinal beam comprises a front longitudinal beam outer plate and a front longitudinal beam inner plate, wherein the front longitudinal beam outer plate and the front longitudinal beam inner plate are encircled to form a front longitudinal beam body with an internal cavity I, and an internal reinforcing part is attached to the side wall of the internal cavity I in the front section of the front longitudinal beam body.
2. The forepart reinforced automobile front rail of claim 1, characterized in that: the internal reinforcement is an annular reinforcement and forms an internal cavity III communicating with the internal cavity I.
3. The forepart reinforced automobile front rail of claim 1, characterized in that: an internal cavity II is formed between the internal reinforcing piece and the side wall of the internal cavity I at a set position.
4. The forepart reinforced automobile front rail of claim 3, characterized in that: the nonlinear fit part between the internal reinforcing piece and the side wall of the internal cavity I forms a plurality of internal cavities II.
5. The forepart reinforced automobile front rail of claim 1, characterized in that: the front longitudinal beam inner plate is provided with an inward bulge part I; the inner reinforcing piece is provided with a boss II corresponding to the boss I in a conformal manner.
6. The forepart reinforced automobile front rail of claim 1, characterized in that: the front longitudinal beam outer plate is provided with an outward bulge part III; and the inner reinforcing piece is provided with a boss IV in a form-fitting manner corresponding to the boss III.
7. The forepart reinforced automobile front rail of claim 1, characterized in that: and the front end of the internal reinforcing part is longitudinally protruded and exceeds the front section end part of the front longitudinal beam body after the internal reinforcing part is correspondingly installed.
8. The forepart reinforced automobile front rail of any one of claims 2, 3 and 7, wherein: and the end part of the longitudinal front section of the front longitudinal beam body is provided with a sealing installation part for installing corresponding components on the front longitudinal beam body and forming sealing for the plurality of internal cavities II and the internal cavities III.
9. The forepart reinforced automobile front rail of claim 1, characterized in that: and the inner reinforcing part is provided with an installation positioning hole close to the outer plate side of the front longitudinal beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921220782.4U CN210258560U (en) | 2019-07-30 | 2019-07-30 | Front-end reinforced automobile front longitudinal beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921220782.4U CN210258560U (en) | 2019-07-30 | 2019-07-30 | Front-end reinforced automobile front longitudinal beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210258560U true CN210258560U (en) | 2020-04-07 |
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ID=70013918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921220782.4U Active CN210258560U (en) | 2019-07-30 | 2019-07-30 | Front-end reinforced automobile front longitudinal beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210258560U (en) |
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2019
- 2019-07-30 CN CN201921220782.4U patent/CN210258560U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211116 Address after: 401135 No. 618 Liangjiang Avenue, Longxing Town, Yubei District, Chongqing Patentee after: Chongqing Jinkang silis New Energy Vehicle Design Institute Co., Ltd Address before: 402260 No.1 Jiujiang Avenue, Shuangfu New District, Jiangjin District, Chongqing Patentee before: Dongfeng Xiaokang Automobile Co., Ltd. Chongqing Branch |
|
| TR01 | Transfer of patent right |