CN215553569U - Automobile body front end frame structure and car - Google Patents
Automobile body front end frame structure and car Download PDFInfo
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- CN215553569U CN215553569U CN202121339833.2U CN202121339833U CN215553569U CN 215553569 U CN215553569 U CN 215553569U CN 202121339833 U CN202121339833 U CN 202121339833U CN 215553569 U CN215553569 U CN 215553569U
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- frame structure
- longitudinal beam
- vehicle body
- end frame
- included angle
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Abstract
The present invention relates to a vehicle body front end frame structure, including: the longitudinal beam assembly extends along the length direction of a vehicle, the front anti-collision beam assembly is provided with a first mounting plate, the first mounting plate is connected with the longitudinal beam assembly and forms a first included angle with the outer side of the longitudinal beam assembly, the connecting piece is of a hollow profile structure and is fixed at the first included angle, the longitudinal beam is arranged, the front end of the upper longitudinal beam is connected to the upper end of the connecting piece and is communicated with the connecting piece in the up-down direction. The connecting piece has first connection face and second connection face, and the longeron subassembly includes longeron and the second mounting panel that is located the front end, and the second mounting panel is connected with first mounting panel, and the lateral surface at the longeron is connected to first connection face, and the second is connected the face and is connected on the second mounting panel. The utility model also relates to an automobile comprising the automobile body front end frame structure.
Description
Technical Field
The utility model relates to the field of vehicle body structures, in particular to a vehicle body front end frame structure and an automobile.
Background
In the existing design, the upper longitudinal beam and the longitudinal beam are connected by adopting a stamping part welding connection joint, the connection quantity is large, welding spots and welding seams are large, the process is complex, the rigidity of the auxiliary frame mounting point is improved by the connection joint formed by the thin-wall part in a limited manner, and further the rigidity of the area is lower, and the structure is complex.
The connection mode of the upper longitudinal beam and the longitudinal beam enables the integral rigidity of the frame structure at the front end of the vehicle body to be low, and the requirement for high-strength collision is difficult to meet.
The foregoing description is provided for general background information and is not admitted to be prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a vehicle body front end frame structure and an automobile, wherein the vehicle body front end frame structure can fixedly connect a longitudinal beam, a combination plate and an upper longitudinal beam together by using a connecting piece of a profile structure, so that a multi-channel force transmission joint is formed, the rigidity of the area is improved, and the number of parts is reduced.
The utility model provides a vehicle body front end frame structure, comprising: longeron subassembly, the longeron subassembly is followed the length direction of vehicle extends, preceding crashproof roof beam subassembly has first mounting panel, first mounting panel with the longeron block attach, and with the outside of longeron subassembly forms first contained angle, connecting piece, the connecting piece is the hollow profile structure, is fixed in first contained angle goes up the longeron, the front end of going up the longeron is connected the upper end of connecting piece, and with the connecting piece communicates on the upper and lower direction.
Further, the connecting piece has first connection face and second connection face, the longeron subassembly includes longeron and the second mounting panel that is located the front end, the second mounting panel with first mounting panel is connected, first connection face is connected the lateral surface of longeron, the second is connected the face and is connected on the second mounting panel.
Furthermore, the front anti-collision beam assembly further comprises an energy absorption box, the energy absorption box is connected to the first mounting plate, and the connected end face covers the second connecting face and the end face of the longitudinal beam.
Furthermore, the connecting piece is provided with a third connecting surface which is opposite to the first connecting surface and is adjacent to the second connecting surface, and the upper end of the third connecting surface is provided with a notch structure.
Furthermore, an extension side plate bent in an L shape extends from the third connecting surface, and the extension side plate is connected with the outer side surface of the longitudinal beam.
Further, the longeron subassembly with first mounting panel is in the inboard second contained angle that forms of longeron subassembly the second contained angle is equipped with the mounting box, the mounting box is fixed on the longeron subassembly.
Further, the second contained angle is equipped with the reinforcement, the reinforcement is fixed on the longeron subassembly, the mounting box is located and is close to the corner of second contained angle, the reinforcement is located and keeps away from the corner of second contained angle.
Further, the upper longitudinal beam is located above the longitudinal beam and far away from a central axis of the vehicle in the long axis direction.
The utility model further provides an automobile which comprises the automobile body front end frame structure.
The section structure connecting piece in the front end frame structure of the vehicle body can fixedly connect the longitudinal beam, the combination plate and the upper longitudinal beam together to form a multi-channel force transmission joint, so that the rigidity of the area is improved, and the number of parts is reduced; when the automobile is impacted to generate impact force, the impact force can be transmitted to the energy absorption box through the front anti-collision beam and then transmitted to the combination plate of the first mounting plate and the second mounting plate, and finally the impact force can be completely transmitted to the upper longitudinal beam and the longitudinal beam because the cross-sectional area of the energy absorption box is larger than the sum of the areas of the second connecting surface and the cross section of the longitudinal beam, and the impact force can be completely transmitted to the preset upper longitudinal beam and the longitudinal beam, so that the safety of the automobile can be ensured under the preset impact force.
Drawings
Fig. 1 is a perspective view of a vehicle body front end frame structure according to an embodiment of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a schematic detail view of the trailing beam assembly of fig. 1.
Fig. 4 is a schematic view of the connection of the side rail assembly and the front impact beam assembly of fig. 1.
Fig. 5 is a schematic detail view of the front impact beam assembly of fig. 1.
Fig. 6 is a schematic view of the components of the connector of fig. 1.
Fig. 7 is a schematic view of the connection of the connector and stringer assembly of fig. 1.
Fig. 8 is a schematic detail view of the upper stringer of fig. 1.
Fig. 9 is a schematic view of the connection between the connecting member and the upper side member in fig. 1.
Fig. 10 is a partial structural schematic diagram of fig. 1.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
A vehicle body front end frame structure 100 shown in fig. 1 and 2 includes: the front anti-collision device comprises a longitudinal beam assembly 10, a front anti-collision beam assembly 20, a connecting piece 30 and an upper longitudinal beam 40, wherein the front anti-collision beam assembly 20 is installed at the front end of the longitudinal beam assembly 10, the connecting piece 30 is installed at an included angle between the longitudinal beam assembly 10 and the front anti-collision beam assembly 20, and the upper longitudinal beam 40 is installed on the upper portion of the connecting piece 30.
The longitudinal beam assemblies 10 shown in fig. 3 are symmetrically arranged on the bottom of the automobile, and two longitudinal beam assemblies 10 extend along the length direction of the automobile, so that various parts of the lower automobile body of the automobile can be fixed and the weight of the upper automobile body can be borne. The two longitudinal beam assemblies 10 include two longitudinal beams 11 and two second mounting plates 12 located at front ends of the corresponding longitudinal beams 11 and integrally formed with the longitudinal beams 11.
As shown in fig. 4 and 5, the second mounting plate 12 is connected to the front impact beam assembly 20. Specifically, the front anti-collision beam assembly 20 comprises two first mounting plates 21, two energy-absorbing boxes 22 and a front anti-collision beam 23, wherein the two first mounting plates 21 and the two second mounting plates 12 are fixedly connected through bolts, the two energy-absorbing boxes 22 are welded on the two first mounting plates 21 respectively, the energy-absorbing boxes 22 are of a square tube structure, the cross sections of the energy-absorbing boxes 22 are welded with the first mounting plates 21 together, and the two energy-absorbing boxes 22 are welded at two ends of the front anti-collision beam 23 with an arc structure. The middle part of the front anti-collision beam 23 with the arc-shaped structure is outwards arched, the arched arc-shaped structure can uniformly transmit the impact force of front impact to the energy absorption boxes 22 welded on the two sides of the front anti-collision beam when the automobile is impacted in the front, the middle of the arc-shaped structure is difficult to break, and the energy absorption boxes 22 and the front anti-collision beam 23 are arranged to improve the safety of the whole vehicle.
As shown in fig. 2, a first included angle a and a second included angle B are formed after the longitudinal beam assembly 10 and the first mounting plate 21 are mounted, the first included angle a is located on the outer side of the longitudinal beam assembly 10, and the second included angle B is located on the inner side of the longitudinal beam assembly 10.
As shown in fig. 6 to 9, a connecting member 30 of a hollow profile structure is mounted on the first included angle a. The connecting piece 30 is a tubular structure with openings at two ends, wherein the two ends are composed of a first connecting surface 31, a second connecting surface 32, a third connecting surface 33 and a fourth connecting surface 34 which are connected in sequence, the first connecting surface 31 is connected on one outer side surface of the longitudinal beam 11 through FDS and structural adhesive, the second connecting surface 32 is connected on the second mounting plate 12, the third connecting surface 33 is opposite to the first connecting surface 31 and is adjacent to the second connecting surface 32, the upper end of the third connecting surface 33 is provided with a notch structure, the third connecting surface 33 is extended with an extension side plate 35 which is bent into an L shape, and the extension side plate 35 is connected with the outer side surface of the longitudinal beam 11. The upper end of the connecting piece 30 is fixedly connected with the front end of the upper longitudinal beam 40 through SPR and FDS matched structural adhesive, the upper longitudinal beam 40 is positioned above the longitudinal beam 11 and is communicated with the connecting piece 30 in the up-down direction, and the rear end of the upper longitudinal beam 40 is far away from the central axis of the vehicle in the long axis direction. The connecting piece 30 of the sectional material structure can fixedly connect the combination plate of the longitudinal beam 11, the first mounting plate 21 and the second mounting plate 12 and the upper longitudinal beam 40 together to form a multi-channel force transmission joint, so that the rigidity of the area is improved, and the number of parts is reduced. The sum of the area of the second connecting surface 32 and the cross-sectional area of the longitudinal beam is smaller than the cross-sectional area of the crash box 22, that is, the end surface of the crash box 22 connected to the first mounting plate 21 can cover the second connecting surface 32 and the end surface of the longitudinal beam 40. When external force impact on the automobile is transmitted to the energy absorption box 22, the cross section area of the energy absorption box 22 is larger than the sum of the cross sections of the second connecting surface 32 and the longitudinal beam 11, so that the impact force can be completely transmitted to the upper longitudinal beam 40 and the longitudinal beam 11 through the first mounting plate 21 and the second mounting plate 12, and the safety of the automobile can be ensured under the preset impact force because the impact force can be completely transmitted to the preset upper longitudinal beam 40 and the longitudinal beam 11.
As shown in fig. 10, a mounting box 50 and a reinforcement 60 are mounted on the second included angle B, the reinforcement 60 and the mounting box 50 are both fixed at the bottom of the longitudinal beam 11, the mounting box 50 is close to a corner of the second included angle B, the reinforcement is far away from the corner of the second included angle B, the mounting box 50 is used for mounting a subframe, and the reinforcement is used for enhancing the strength of the mounting box 50.
The utility model also provides an automobile comprising the automobile body front end frame structure 100.
In summary, the connecting member 30 of the profile structure in the front end frame structure 100 of the vehicle body can fixedly connect the longitudinal beam 11, the combination plate and the upper longitudinal beam 40 together to form a multi-channel force transmission joint, so that the rigidity of the area is improved, and the number of parts is reduced; when an automobile is impacted to generate impact force, the impact force can be transmitted to the energy absorption box 22 through the front anti-collision beam 23 and then transmitted to the combination plate of the first mounting plate 21 and the second mounting plate 12, and finally the impact force can be completely transmitted to the upper longitudinal beam 40 and the longitudinal beam 11 because the cross section area of the energy absorption box 22 is larger than the sum of the cross sections of the second connecting surface 32 and the longitudinal beam 11, and the safety of the automobile can be ensured under the preset impact force because the impact force can be completely transmitted to the preset upper longitudinal beam 40 and the longitudinal beam 11.
In this document, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms can be understood in a specific case to those of ordinary skill in the art.
In this document, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the purpose of clarity and convenience of description of the technical solutions, and thus, should not be construed as limiting the present invention.
As used herein, the ordinal adjectives "first", "second", etc., used to describe an element are merely to distinguish between similar elements and do not imply that the elements so described must be in a given sequence, either temporally, spatially, in ranking, or in any other manner.
As used herein, the meaning of "a plurality" or "a plurality" is two or more unless otherwise specified.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (9)
1. A vehicle body front end frame structure characterized by comprising:
a side rail assembly extending in a lengthwise direction of the vehicle,
a front anti-collision beam assembly having a first mounting plate connected with the longitudinal beam assembly and forming a first included angle with the outer side of the longitudinal beam assembly,
a connecting piece which is in a hollow section structure and is fixed at the first included angle,
and the front end of the upper longitudinal beam is connected to the upper end of the connecting piece and is communicated with the connecting piece in the up-down direction.
2. The front end frame structure for a vehicle body according to claim 1, wherein said connecting member has a first connecting face and a second connecting face, said side member assembly includes a side member and a second mounting plate at a front end, said second mounting plate is connected to said first mounting plate, said first connecting face is connected to an outer side face of said side member, and said second connecting face is connected to said second mounting plate.
3. The vehicle body front end frame structure according to claim 2, wherein said front impact beam assembly further comprises a crash box connected to said first mounting plate with an end face connected to cover said second connecting face and an end face of said side member.
4. The vehicle body front end frame structure according to claim 2, wherein the connecting member has a third connecting surface opposed to the first connecting surface and adjacent to the second connecting surface, and an upper end of the third connecting surface has a notched structure.
5. The vehicle body front end frame structure according to claim 4, wherein the third connecting surface is extended with an extension side plate bent in an L shape, and the extension side plate is connected to an outer side surface of the side member.
6. The front-end vehicle body frame structure of claim 1, wherein said side member assembly and said first mounting plate form a second included angle on an inner side of said side member assembly, said second included angle having a mounting box secured to said side member assembly.
7. The vehicle body front end frame structure of claim 6, wherein the second included angle is provided with a reinforcement member, the reinforcement member is fixed to the side member assembly, the mounting box is located at a corner near the second included angle, and the reinforcement member is located at a corner far from the second included angle.
8. The vehicle body front end frame structure according to claim 1, wherein the upper side member is located above the side member and away from a central axis in a direction of a long axis of the vehicle.
9. An automobile characterized by comprising the vehicle body front end frame structure according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121339833.2U CN215553569U (en) | 2021-06-16 | 2021-06-16 | Automobile body front end frame structure and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121339833.2U CN215553569U (en) | 2021-06-16 | 2021-06-16 | Automobile body front end frame structure and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215553569U true CN215553569U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121339833.2U Active CN215553569U (en) | 2021-06-16 | 2021-06-16 | Automobile body front end frame structure and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215553569U (en) |
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2021
- 2021-06-16 CN CN202121339833.2U patent/CN215553569U/en active Active
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