CN216301227U - Longitudinal beam for vehicle and vehicle - Google Patents
Longitudinal beam for vehicle and vehicle Download PDFInfo
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- CN216301227U CN216301227U CN202122539621.5U CN202122539621U CN216301227U CN 216301227 U CN216301227 U CN 216301227U CN 202122539621 U CN202122539621 U CN 202122539621U CN 216301227 U CN216301227 U CN 216301227U
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- longitudinal beam
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- connecting piece
- boss
- longeron
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Abstract
The utility model relates to the technical field of vehicles, and particularly provides a longitudinal beam for a vehicle and the vehicle. In order to solve the problem that the connection strength between the conventional longitudinal beam and the auxiliary frame is insufficient, the vehicle comprises the auxiliary frame, the longitudinal beam for the vehicle comprises a longitudinal beam main body and a connecting piece, a groove is formed in the side portion of the longitudinal beam main body, the connecting piece is embedded into the groove, and the auxiliary frame can penetrate through the bottom of the longitudinal beam main body and then is fixedly connected with the connecting piece. The auxiliary frame mounting surface is matched with the outer surface of the longitudinal beam, so that the auxiliary frame and the longitudinal beam main body mounting surface are tightly attached, the mounting precision is higher, the manufacturing and mounting difficulty is reduced, and the cost is saved. Specifically, with the connecting piece embedding recess in, the connecting piece is wrapped up in the recess of longeron, and the area of contact of connecting piece and longeron main part is bigger, and when receiving the effort of sub vehicle frame, the connecting piece bears this effort with the longeron main part simultaneously for the rigidity of sub vehicle frame mounting point is higher, and connection deformation is littleer, prevents the fracture.
Description
Technical Field
The utility model relates to the technical field of vehicles, and particularly provides a longitudinal beam for a vehicle and the vehicle.
Background
The longeron of vehicle is the important bearing structure of whole car to electric automobile is taken as the example, and the sub vehicle frame is connected with the longeron, and then provides the pulling force for the sub vehicle frame. In chinese patent application No.: 201810699596.7, the front sub-frame is fixed with the longitudinal beam by punching a through hole on the longitudinal beam, pressing a fixing piece into the through hole and then connecting the fixing piece with the sub-frame, but the structure leads the joint of the fixing piece and the longitudinal beam to be subject to larger acting force of the sub-frame, thus being easy to break, and the size of the through hole is limited to a certain extent due to ensuring the strength of the longitudinal beam, so that the general design is smaller, the connecting strength between the fixing piece and the sub-frame is insufficient, and further the strength of the connecting point is insufficient.
Accordingly, there is a need in the art for a new longitudinal member for a vehicle that solves the problem of insufficient connection strength between the existing longitudinal member and the subframe.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving the above-mentioned problems, i.e., solving the problem of insufficient connection strength between the conventional side member and the subframe.
In a first aspect, the utility model provides a longitudinal beam for a vehicle, the vehicle comprising a subframe, the longitudinal beam comprising a longitudinal beam main body and a connecting piece, wherein a groove is arranged on the side part of the longitudinal beam main body, the connecting piece is embedded in the groove, and the subframe is arranged to penetrate through the bottom part of the longitudinal beam main body and is fixedly connected with the connecting piece.
In the above preferred technical scheme for a longitudinal beam of a vehicle, the connecting piece includes a connecting plate, the connecting plate abuts against the side portion of the longitudinal beam main body, a boss is arranged on the connecting plate, the boss is embedded into the groove, and the auxiliary frame is connected with the boss.
In the above preferred technical solution for the longitudinal beam for a vehicle, a plurality of the grooves are provided, and a plurality of corresponding sealing circumferential protrusions are provided on the connecting plate, the sealing circumferential protrusions being embedded in the grooves.
In the above-described preferred embodiment of the longitudinal beam for a vehicle, the boss is provided in one of the seal circumferential projections.
In the above preferred technical solution for the longitudinal beam for a vehicle, a grid-shaped reinforcing rib is further provided in the seal circumferential protrusion.
In the above preferred technical scheme for the longitudinal beam of the vehicle, the boss is provided with a threaded hole, and the subframe and the boss are fixedly connected with the threaded hole through a threaded connector.
In the above-described preferred technical solution for the longitudinal beam for a vehicle, a distance between the threaded hole and an entrance of the groove is greater than half of a maximum distance between the boss and the entrance of the groove.
In the above preferred technical solution for the longitudinal beam of the vehicle, the connecting member is further provided with an impact beam mounting hole.
In the above preferred technical scheme for the longitudinal beam of the vehicle, the connecting piece is further provided with a flange, and the anti-collision beam mounting hole is formed in the flange.
The utility model further provides a vehicle comprising the longitudinal beam for the vehicle in any one of the above technical solutions.
The vehicle comprises a subframe, the longitudinal beam comprises a longitudinal beam main body and a connecting piece, the side part of the longitudinal beam main body is provided with a groove, the connecting piece is embedded into the groove, and the subframe can penetrate through the bottom of the longitudinal beam main body and then is fixedly connected with the connecting piece.
Under the condition of adopting the technical scheme, the side part of the longitudinal beam main body 1 is provided with the groove, the connecting piece is embedded into the groove, the auxiliary frame is arranged to penetrate through the bottom of the longitudinal beam main body and then is connected with the connecting piece, the auxiliary frame mounting surface is matched with the outer surface of the longitudinal beam, the auxiliary frame is ensured to be tightly attached to the mounting surface of the longitudinal beam main body, the mounting precision is higher, the manufacturing and mounting difficulty is reduced, and the cost is saved. Specifically, with the connecting piece embedding recess in, the connecting piece is fixed with accessible welding or spiro union etc. all around of 1 lateral part of longeron main part, and the connecting piece is wrapped up in the recess of longeron for the area of contact of connecting piece and longeron main part is bigger, and when receiving the effort of sub vehicle frame, the connecting piece bears this effort with the longeron main part jointly, makes the rigidity of sub vehicle frame mounting point higher, and it is littleer to connect the deformation, and the joint strength of longeron and sub vehicle frame is higher, prevents the fracture. And, because the longitudinal of sub vehicle frame place no longer has the solder joint, but has set up the solder joint in the entrance of recess, the solder joint no longer directly receives the effort of sub vehicle frame, greatly reduced the solder joint possibility of opening the weld.
Drawings
Preferred embodiments of the present invention are described below with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural view of a stringer of the present invention;
FIG. 2 is a schematic view of the construction of the connector for stringers of the present invention;
FIG. 3 is a cross-sectional structural schematic view of a stringer of the present invention;
fig. 4 is a schematic view of the mounting structure of the side member and the sub-frame according to the present invention.
List of reference numerals:
1. a stringer body; 11. a groove; 2. a connecting member; 21. a connecting plate; 22. a boss; 23. sealing the circumferential protrusion; 24. a grid-shaped reinforcing rib; 25. a threaded hole; 26. an anti-collision beam mounting hole; 27. flanging; 3. and (3) a subframe.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. And can be adjusted as needed by those skilled in the art to suit particular applications.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 and 4, in order to solve the problem of insufficient connection strength between the conventional longitudinal beam and the subframe, taking an automobile as an example, the automobile according to the technical scheme of the utility model comprises the subframe 3, wherein the longitudinal beam comprises a longitudinal beam main body 1 and a connecting piece 2, a groove 11 is formed in the side part of the longitudinal beam main body 1, the connecting piece 2 is embedded into the groove 11, and the subframe 3 is arranged to penetrate through the bottom of the longitudinal beam main body 1 and then fixedly connected with the connecting piece 2.
The setting mode has the advantages that: according to the longitudinal beam, the groove 11 is formed in the side portion of the longitudinal beam main body 1, the connecting piece 2 is embedded into the groove 11, the auxiliary frame 3 can penetrate through the bottom of the longitudinal beam main body 1 and then is connected with the connecting piece 2, the mounting surface of the auxiliary frame 3 is matched with the outer surface of the longitudinal beam main body 1, the auxiliary frame 3 and the mounting surface of the longitudinal beam main body 1 are tightly attached, the mounting precision is high, the manufacturing and mounting difficulty is reduced, and the cost is saved. Specifically, imbed the connecting piece 2 in recess 11, accessible welding or spiro union etc. are fixed all around of connecting piece 2 and 1 lateral part of longeron main part, connecting piece 2 is wrapped up in recess 11 of longeron main part 1, make connecting piece 2 bigger with the area of contact of longeron main part 1, when receiving sub vehicle frame 3's effort, connecting piece 2 bears this effort with longeron main part 1 jointly, make the rigidity of sub vehicle frame 3 mounting point higher, it is littleer to connect the deformation, the tie point intensity of longeron and sub vehicle frame 3 is higher, prevent the fracture. And through erection joint spare 2 to the use of several parts such as sub vehicle frame installation nut board, sub vehicle frame installation nut board and sub vehicle frame installation nut board connection rivet has been reduced, thereby has reduced installation error, has improved the installation accuracy, makes the structure more stable, is favorable to the installation and the debugging of sub vehicle frame.
The longitudinal beam for an automobile of the present invention will be described in detail below with further reference to fig. 2 to 4.
As shown in fig. 2 to 4, in one possible embodiment, the connecting member 2 includes a connecting plate 21, the connecting plate 21 abuts against a side portion of the longitudinal beam main body 1, preferably, the connecting plate 21 is fixed by welding, a boss 22 is provided on the connecting plate 21, the boss 22 is embedded in the groove 11, a threaded hole 25 is provided on the boss 22, the distance between the threaded hole 25 and the inlet of the groove 11 is greater than half of the maximum distance between the boss 22 and the inlet of the groove 11, and the subframe 3 and the boss 22 are fixedly connected with the threaded hole 25 through a bolt; preferably, the groove 11 is provided with a plurality of grooves, preferably, the grooves 11 are sequentially arranged along the side portion of the longitudinal beam main body 1 from top to bottom, the connecting plate 21 is provided with a plurality of corresponding sealing circumferential protrusions 23, latticed reinforcing ribs 24 are further arranged in the sealing circumferential protrusions 23, the sealing circumferential protrusions 23 are embedded in the grooves 11, the periphery of the sealing circumferential protrusions is abutted against the longitudinal beam main body 1, and the boss 22 is arranged in one of the sealing circumferential protrusions 23.
The setting mode has the advantages that: connecting plate 21 and longeron main part 1's lateral part butt, the lateral part of connecting plate 21 and longeron main part 1 is all around through welded fastening, boss 22 embedding recess 11 on the connecting plate 21 is interior, sub vehicle frame 3 passes through bolt and screw hole 25 fixed connection with boss 22, preferentially, the distance of screw hole 25 and recess 11's entry is greater than boss 22 and recess 11 entry maximum distance's half, thereby make sub vehicle frame 3's mounting point far away from the welding position of recess 11 entrance, make the connection deformation littleer, and the mounting point size precision receives the influence of welding point littleer, thereby make the structure more stable, be favorable to sub vehicle frame 3's installation and debugging. Preferably, the groove 11 is provided with a plurality of grooves, the connecting plate 21 is provided with a plurality of corresponding sealing circumferential protrusions 23, the sealing circumferential protrusions 23 are embedded into the groove 11, the plurality of sealing circumferential protrusions 23 further improve the stability of the connection of the connecting piece 2 and the longitudinal beam main body 1, and the sealing circumferential protrusions 23 are also provided with latticed reinforcing ribs 24, so that the strength of the sealing circumferential protrusions 23 is higher, and preferably, the boss 22 is arranged in one of the sealing circumferential protrusions 23, so that the strength around the boss 22 is enhanced. The contact area of the boss 22 and the longitudinal beam main body 1 can be set to be larger as required, the distance from the boss 22 to the side part of the longitudinal beam can also be set as required, and one or more threaded holes 25 in the boss 22 can be set, so that the strength of the mounting point of the auxiliary frame 3 can be further enhanced, and the technical personnel in the field can set the strength by themselves as required.
As shown in fig. 2, in a possible embodiment, the connecting member 2 is further provided with an impact beam mounting hole 26, the connecting member 2 is further provided with a flange 27, and the impact beam mounting hole 26 is further provided on the flange 27.
The setting mode has the advantages that: be provided with anticollision roof beam mounting hole 26 on connecting piece 2, can be used to the installation of anticollision roof beam to the mounting point that makes the anticollision roof beam is also integrated on connecting piece 2, thereby through connecting piece 2 alright make longeron and sub vehicle frame 3 and anticollision roof beam carry out fixed connection respectively, thereby reduce the quantity of automobile body spare part, reduce the manufacturing degree of difficulty, practice thrift the cost, and reduced installation error, improve the rigidity of tie point, be favorable to four-wheel location takt time.
In summary, the groove 11 is formed in the side portion of the longitudinal beam main body 1, the connecting piece 2 is arranged in the groove 11, the mounting points of the anti-collision beam and the auxiliary frame 3 are respectively arranged on the connecting piece 2, so that the longitudinal beam can be mounted and connected with the auxiliary frame 3 and the anti-collision beam through the connecting piece 2, and the connecting piece 2 is connected in a manner of being embedded into the longitudinal beam main body 1, so that the mounting points have supporting force of the connecting piece 2 and the longitudinal beam main body 1, the strength of the mounting points is enhanced, and the connection is firmer. Preferably, with the connecting plate 21 on the connecting piece 2 and the lateral part butt of longeron main part 1, in the boss 22 embedding recess that sets up on the connecting plate 21 to the installation of the connecting piece 2 of being convenient for is fixed, sets up the screw hole on the boss 22, when the sub vehicle frame 3 is connected to the longeron, only need with bolted connection can, reduced the part quantity of sub vehicle frame 3 mounting structure, reduce part management cost, improve the production beat.
It should be noted that the above-mentioned embodiments are only used for illustrating the principle of the present invention, and are not intended to limit the protection scope of the present invention, and those skilled in the art can modify the above-mentioned structure so that the present invention can be applied to more specific application scenarios without departing from the principle of the present invention.
For example, in an alternative embodiment, the shape of the bosses 22 may be cylindrical or square, and the number of the bosses 22 may be one or more, so that there is no limitation on the shape and number of the bosses 22, which does not depart from the principle of the present invention, and thus, the present invention is intended to fall within the scope of the present invention.
For example, in an alternative embodiment, the connecting member 2 and the subframe 3 may be fixed by bolts or welding, preferably, the welding may be performed to fix the connecting member 2 all around, so that the installation is more secure, and there is no limitation on the connection manner of the connecting member 2 and the subframe 3 as long as the subframe 3 can be fixed on the connecting member 2, which does not depart from the principle of the present invention, and thus, the present invention will fall within the protection scope of the present invention.
For example, in an alternative embodiment, the connecting member 2 is a low-pressure cast member, the stringer body 1 is an extruded aluminum profile, and the connecting member 2 can be directly inserted into a cavity of the extruded aluminum profile, thereby reducing the manufacturing steps for providing the groove 11 and saving the manufacturing cost, which do not depart from the principle of the present invention, and thus fall within the protection scope of the present invention.
For example, in an alternative embodiment, the sealing circumferential projection 23 is square, so as to make the sealing circumferential projection 23 more easily conformed to the inner wall of the groove 11, without departing from the principle of the utility model and therefore falling within the scope of the utility model.
For example, in an alternative embodiment, the boss 22 is formed integrally with the seal circumferential protrusion 23, thereby making the boss 22 stronger, without departing from the principles of the present invention, and therefore, would fall within the scope of the present invention.
For example, in an alternative embodiment, a nut is welded to the mounting hole 26 of the impact beam, and the impact beam is fixedly connected to the connecting member 2 by a bolt and a nut, so that the mounting and dismounting are simpler and more convenient, which do not depart from the principle of the present invention, and therefore, the present invention is within the protection scope of the present invention.
For example, in an alternative embodiment, the grid-like reinforcement ribs 24 are also provided around the impact beam mounting holes 26 to reinforce the strength of the impact beam mounting points without departing from the principles of the present invention and thus fall within the scope of the present invention.
For example, in an alternative embodiment, the area of the connecting plate 21 is larger than that of the side end face of the stringer body 1, and when the connecting plate 21 abuts against the side portion of the stringer body 1, the extended portion provides a limiting function for the connecting member 2, and is more convenient for welding and installation, which do not depart from the principle of the present invention, and therefore, the utility model will fall into the protection scope of the present invention.
For example, in an alternative embodiment, the grooves 11 may be square or trapezoidal, so that there is no limitation on the shape of the grooves 11, and the number of the grooves 11 may be one, three or five, so that there is no limitation on the shape and number of the grooves 11, without departing from the principle of the present invention, and therefore, it would be within the protection scope of the present invention.
For example, in an alternative embodiment, the longitudinal beam body 1 is provided with the grooves 11 on both sides, and the connecting members 2 are two and are respectively embedded in the two grooves 11, without departing from the principle of the present invention, and therefore, the present invention is within the protection scope.
Finally, it should be noted that, although the present invention has been described by taking a longitudinal beam for an automobile as an example, the longitudinal beam of the present invention can be obviously applied to other various vehicles, such as a fuel automobile, an electric automobile, or a truck.
The utility model further provides a vehicle having a longitudinal beam for a motor vehicle as described in any of the above embodiments.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the utility model, and the technical scheme after the changes or substitutions can fall into the protection scope of the utility model.
Claims (10)
1. The utility model provides a longeron for vehicle, the vehicle includes the sub vehicle frame, its characterized in that, the longeron includes longeron main part and connecting piece, the lateral part of longeron main part is provided with the recess, the connecting piece embedding in the recess, the sub vehicle frame sets to can pass the bottom of longeron main part with connecting piece fixed connection.
2. The longitudinal beam for a vehicle according to claim 1, wherein the connecting member includes a connecting plate abutting against a side portion of the longitudinal beam main body, the connecting plate is provided with a boss, the boss is fitted into the groove, and the sub-frame is connected to the boss.
3. Longitudinal beam for vehicles according to claim 2, characterized in that the lateral part of the longitudinal beam body is provided with a plurality of said grooves and in that the web is provided with a plurality of corresponding sealing circumferential projections which engage in said grooves.
4. The longitudinal beam for a vehicle of claim 3, wherein the boss is disposed within one of the seal circumferential protrusions.
5. The longitudinal beam for a vehicle according to claim 4, wherein a lattice-shaped reinforcing rib is further provided in the seal circumferential projection.
6. The longitudinal beam for the vehicle according to claim 2, wherein a threaded hole is formed in the boss, and the subframe and the boss are fixedly connected with the threaded hole through a threaded connector.
7. The longitudinal beam for a vehicle of claim 6, wherein the threaded hole is spaced from the entrance of the groove by more than half of a maximum distance of the boss from the entrance of the groove.
8. The longitudinal beam for a vehicle according to any one of claims 1 to 7, wherein an impact beam mounting hole is further provided on the connecting member.
9. The longitudinal beam for a vehicle of claim 8, wherein a flange is further provided on the connecting member, and the impact beam mounting hole is provided on the flange.
10. A vehicle, characterized in that the vehicle is provided with a longitudinal beam for a vehicle according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122539621.5U CN216301227U (en) | 2021-10-21 | 2021-10-21 | Longitudinal beam for vehicle and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122539621.5U CN216301227U (en) | 2021-10-21 | 2021-10-21 | Longitudinal beam for vehicle and vehicle |
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| Publication Number | Publication Date |
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| CN216301227U true CN216301227U (en) | 2022-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122539621.5U Active CN216301227U (en) | 2021-10-21 | 2021-10-21 | Longitudinal beam for vehicle and vehicle |
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| CN (1) | CN216301227U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115384624A (en) * | 2022-09-23 | 2022-11-25 | 重庆长安汽车股份有限公司 | Engine compartment longitudinal beam front end connecting structure and vehicle |
-
2021
- 2021-10-21 CN CN202122539621.5U patent/CN216301227U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115384624A (en) * | 2022-09-23 | 2022-11-25 | 重庆长安汽车股份有限公司 | Engine compartment longitudinal beam front end connecting structure and vehicle |
| CN115384624B (en) * | 2022-09-23 | 2023-11-21 | 重庆长安汽车股份有限公司 | Engine compartment longitudinal beam front end connecting structure and vehicle |
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