CN218505955U - Front cross beam structure, lower vehicle body frame and vehicle body - Google Patents
Front cross beam structure, lower vehicle body frame and vehicle body Download PDFInfo
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- CN218505955U CN218505955U CN202222114359.4U CN202222114359U CN218505955U CN 218505955 U CN218505955 U CN 218505955U CN 202222114359 U CN202222114359 U CN 202222114359U CN 218505955 U CN218505955 U CN 218505955U
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- 230000003014 reinforcing effect Effects 0.000 claims description 15
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- 238000000034 method Methods 0.000 description 8
- 230000010354 integration Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
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- 238000005452 bending Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000001338 self-assembly Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The disclosure relates to the technical field of vehicle manufacturing, in particular to a front cross beam structure, a lower vehicle body frame and a vehicle body. The utility model provides an including front beam body and two front longitudinal installation departments, two front longitudinal installation department symmetry sets up the both sides of front beam body top surface, just be provided with spacing portion on the front longitudinal installation department bottom surface, spacing portion extends towards the ground direction. According to the battery pack, the limiting part extending towards the ground direction is arranged on the bottom surface of the front longitudinal beam mounting part, so that the limiting part can limit the front longitudinal beam falling off after the front impact is applied to the joint of the front longitudinal beam mounting structure and the front longitudinal beam, the front longitudinal beam is prevented from impacting the battery, and the safety performance of the battery is improved.
Description
Technical Field
The present disclosure relates to the field of vehicle manufacturing technology, and in particular, to a front cross member structure, a vehicle body frame, and a vehicle body.
Background
Along with the continuous progress of science and technology, new energy automobile's is constantly popularized, and electronic new energy automobile is accepted gradually for people, and in order to reduce the vehicle focus, improve the integrated level, battery package subassembly all can tile in lower automobile body frame generally, and have the difference in height and the front longitudinal located upper portion between front longitudinal and the lower automobile body frame, the front longitudinal mounting structure is easy to break away when receiving the positive strong striking with front longitudinal's junction, and the front longitudinal is easy directly to hit the battery package in the lower automobile body frame after breaking away to produce danger.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem or at least partially solve the technical problem, the present disclosure provides a front beam structure, including front beam body and two front longitudinal installation departments, two front longitudinal installation department symmetry sets up the both sides of front beam body top surface, just be provided with spacing portion on the front longitudinal installation department bottom surface, spacing portion extends towards the ground direction.
Optionally, follow the extending direction of front longitudinal installation department spacing portion is the ladder setting, just the ladder face of spacing portion is towards the front longitudinal of vehicle.
Optionally, the front beam body still includes tie-beam and two torsion boxes, the tie-beam sets up the top surface of front beam body, two the front longitudinal installation department symmetry sets up the both sides of tie-beam, two the torsion box symmetry sets up two the front longitudinal installation department with the both sides that the tie-beam carried on the back mutually.
Optionally, a reinforcing rib is arranged on the connecting beam, and the reinforcing rib extends to the side face of the front longitudinal beam installation part adjacent to the connecting beam.
The utility model also provides a lower car body frame, including foretell front beam structure, rear beam portion and two threshold roof beams, two the threshold roof beam sets up relatively, the front beam body rear beam portion and two the threshold roof beam is jointly around constituting battery installation frame, battery installation frame bottom is provided with battery bottom plate, battery bottom plate with battery installation frame integrated into one piece, battery bottom plate with battery installation frame is around constituting the battery mounting groove.
Optionally, the bottom surface of the battery bottom plate is provided with honeycomb-shaped reinforcing ribs.
Optionally, the rear cross beam portion includes a rear cross beam body, a seat cross beam and two rear longitudinal beam installation portions, the seat cross beam and the rear cross beam body are integrally formed, the seat cross beam is arranged on the top surface of the rear cross beam body, and the rear longitudinal beam installation portions are arranged on two sides of the seat cross beam.
Optionally, the front beam body and/or the rear beam body are provided with a plurality of mounting ports, and the mounting ports at least include a waterway plugging mounting port.
Optionally, a side of the threshold beam, which is far away from the battery bottom plate, is provided with a threshold beam reinforcing rib.
The present disclosure also provides a vehicle body including the above front cross member structure or lower vehicle body frame.
Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages: this application is through setting up the spacing portion that extends towards the ground direction on front longitudinal installation department bottom surface, and therefore, the junction of front longitudinal mounting structure and front longitudinal receives the front impact to throw off the back, and spacing portion can be spacing to the front longitudinal that drops off to prevent front longitudinal striking battery, improved the security performance of battery.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the embodiments or technical solutions in the prior art description will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic structural view of a lower body frame of the present disclosure;
fig. 2 is a schematic structural view of a front cross beam body, a front longitudinal beam mounting part and a limiting part according to the present disclosure;
FIG. 3 is a side view of the lower body frame of the present disclosure;
FIG. 4 is a schematic structural diagram of a rear beam section of the present disclosure;
fig. 5 is a schematic structural view of the lower body frame of the present disclosure viewed from the bottom.
Reference numerals:
1. a battery chassis; 21. a front cross member body; 22. a torque box; 23. a front side member mounting portion; 24. a connecting beam; 25. a limiting part; 3. a rear cross member portion; 31. a rear cross member body; 32. a seat cross member; 33. a rear longitudinal beam mounting portion; 4. a threshold beam; 5. an installation port; A. honeycomb-shaped reinforcing ribs; B. threshold roof beam strengthening rib.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.
As shown in fig. 1 to 3, the present disclosure provides a front cross member structure, which includes a front cross member body 21 and two front side member mounting portions 23, wherein the two front side member mounting portions 23 are symmetrically disposed at two sides of a top surface of the front cross member body 21 so as to be mounted on a front side member of a vehicle, and the top surface of the front cross member body 21 is a surface close to a top of the vehicle, that is, the front side member mounting portion 23 is above the front cross member body 21, in a mounting structure of a conventional vehicle frame, a position where the front side member is connected to the front side member mounting portion 23 is easily separated when a frontal collision occurs, because there is a height difference between the front side member of the vehicle and a position of a chassis (the front side member is above), and when a battery pack of a new energy vehicle is mounted on the chassis, if the front side member moves downward along the front side member mounting portion 23 after the front side member is separated by a collision connection point, the battery pack is easily collided with, and there is a great potential safety hazard when the battery pack is collided. In order to solve the problem that the front longitudinal beam is separated from the battery pack and impacts the battery pack, in the first embodiment of the disclosure, the limiting part 25 extending towards the ground is arranged on the bottom surface of the front longitudinal beam mounting part 23, so that the front longitudinal beam can collide with the limiting part 25 when being separated from the front collision connecting point and moving downwards, and the limiting part 25 can discharge a part of force and protect the battery pack; in the second embodiment of the present disclosure, the limiting portion 25 along the extending direction of the front side member mounting portion 23 is arranged in a step, the step surface of the limiting portion 25 faces the front side member of the vehicle, the step surface here is a step in which the limiting portion 25 gradually extends downward from the vehicle head direction to the vehicle tail direction, the step may be arranged in two steps, or may be arranged in multiple steps, and the body is specifically arranged in two steps. When the front face of the vehicle is impacted, the front longitudinal beam is separated from the first step which can firstly impact the limiting part 25 and then impact the second step of the limiting part 25, so that the impact force of the front longitudinal beam to the battery pack to be put down can be better removed. For example, the stopper portion 25 may be a metal block integrally formed with the front side member mounting portion 23, and the blocking range thereof is adjusted according to different vehicle types.
As shown in fig. 2, this disclosed front beam body 21 still includes tie-beam 24 and two torsion boxes 22, tie-beam 24 sets up the top surface at front beam body 21, two front longitudinal installation departments 23 symmetry set up the both sides at tie-beam 24, two torsion boxes 22 symmetry set up the both sides that back on the back with tie-beam 24 at two front longitudinal installation departments 23, furthermore, tie-beam 24 and front beam body 21 and front longitudinal installation department 23 integrated into one piece casting, reduce each roof beam body, tie point between the part is in order to improve bulk strength. The connecting beam 24 is preferably provided with reinforcing ribs extending to the side surfaces of the front side member attaching portions 23 adjacent to the connecting beam 24 to enhance the rigidity of the connecting beam 24.
As shown in fig. 1 to 5, the present disclosure further provides a lower body frame, which includes the above-mentioned front beam structure, a rear beam portion 3 and two threshold beams 4, the two threshold beams 4 are oppositely disposed, the front beam body 21, the rear beam portion 3 and the two threshold beams 4 jointly surround to form a battery mounting frame, a battery bottom plate 1 is disposed at the bottom of the battery mounting frame, the battery bottom plate 1 and the battery mounting frame are integrally formed, the battery bottom plate 1 and the battery mounting frame surround to form a battery mounting groove, the lower body frame integrates a battery pack and a body beam together to form an integral body structure, so that the assembly time is greatly increased, the protection of the battery pack and the overall rigidity, the torsional rigidity and the bending rigidity of the body are also improved, and the battery pack is integrated in the lower body frame more safely by matching with the above-mentioned front beam structure.
In a preferred embodiment, the region of the battery chassis 1, which serves as the main base of the battery cell, assumes the function of supporting the entire cell and the internal modules and, due to the integration with the vehicle body, also assumes the safety structure of a part of the vehicle body. Furthermore, the bottom of the outer side of the whole battery bottom plate area is additionally provided with crossed honeycomb-shaped reinforcing ribs, so that the rigidity of the whole large plate is improved by one step, the battery cell is protected more effectively, and the integral rigidity of a body-in-white is improved; for example, the battery base plate 1 may be rectangular, and preferably rectangular, such that the battery cells occupy the largest area of the battery base plate 1, so as to increase the electric power supply of the vehicle and increase the driving range.
In order to better achieve the integration goal, the front beam body 21 and/or the rear beam body 31 are provided with a plurality of mounting ports 5 for arranging and mounting the high-pressure module and the waterway plug-in installation, so that the integration of all the component heights is realized in the disclosure. In one embodiment, the front beam body 21 and the rear beam body 31 are both provided with the mounting ports 5, and the mounting ports 5 on both sides are opened in the horizontal direction of the battery bottom plate 1 and are oppositely arranged, so that the front and rear penetration of the mounting ports 5 on both sides is realized, and the bending of the pipeline line is reduced, thereby reducing the failure rate.
In some embodiments of the present disclosure, the mounting port 5 includes at least one waterway plug-in mounting port, and a reinforcing member is disposed around the opening of the mounting port 5, and the reinforcing member may be a reinforcing rib, a dot-shaped reinforcing rib, a thickening and reinforcing treatment for the orifice edge, which are circumferentially disposed, so as to improve the service life.
As shown in fig. 4, the rear cross beam part 3 of the present disclosure includes a rear cross beam body 31, and a seat cross beam 32 and two rear side member installation parts 33 integrally formed with the rear cross beam body 31, the rear cross beam body 31 is connected with the battery floor 1 integrally formed, the seat cross beam 32 is disposed on the top surface of the rear cross beam body 31, the two rear side member installation parts 33 are disposed on the two sides of the seat cross beam 32 and mainly used for installing the rear seats and bearing the lateral energy path and improving the torsional rigidity of the whole vehicle, the rear side member installation part 33 connected with the rear side member is further designed at the rear end, so as to ensure the effective transmission of the whole energy from front to rear.
As shown in fig. 1 and 3, the rocker beam 4 region of the present disclosure mainly serves for lateral passenger compartment protection and battery protection and as an important transfer path for the front and rear frames, and therefore a large number of rocker beam beads B are designed on the side of the rocker beam 4 remote from the battery floor 1 to perform the energy transfer function.
This disclosure is accomplished assembly and sealing with the assembly of electric core in battery assembly workshop, this disclosure is put into this disclosure as shown in fig. 1 battery bottom plate 1 to electric core assembly earlier, front beam structure, rear frame member 3 and two threshold roof beams 4 are around in the battery mounting groove that constitutes, accomplish the installation of each module through installing port 5 and peg graft, the upper cover of battery mounting groove adaptation is established to the lid afterwards, form a complete automobile body assembly who has filled battery electric core, and in getting into the workshop of next station through producing the line, this disclosure after the integration passes through front longitudinal beam installation department 23 and rear longitudinal beam installation department 33 with preceding, rear end frame assembly part assembly forms a complete automobile body down. The preferred front and rear end frame mainly is the roof beam type structure of extrusion aluminium, can further reduce the cost of maintenance when taking place the low-speed collision like this under guaranteeing the performance demand that whole front and back collision energy absorption, reduces the insurance expense of product.
The present disclosure also provides a vehicle body including the above lower vehicle body frame. The method comprises the steps of performing die-casting molding on the body-in-white assembly, welding the body-in-white assembly, installing a door cover, painting the door cover, assembling a battery in a battery workshop on the body-in-white assembly, and finally entering a self-assembly procedure.
It is noted that, in this document, relational terms such as "first embodiment" and "second embodiment," and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a front beam structure, its characterized in that, includes front beam body and two front longitudinal installation departments, two front longitudinal installation department symmetry sets up the both sides of front beam body top surface, just be provided with spacing portion on the bottom surface of front longitudinal installation department, spacing portion extends towards the ground direction.
2. The front cross member structure according to claim 1, wherein the stopper portion is provided in a stepped manner in an extending direction of the front side member mounting portion, and a stepped surface of the stopper portion faces a front side member of the vehicle.
3. The front beam structure according to claim 1, wherein the front beam body further includes a connecting beam and two torsion boxes, the connecting beam is disposed on the top surface of the front beam body, the two front side member mounting portions are symmetrically disposed on two sides of the connecting beam, and the two torsion boxes are symmetrically disposed on two sides of the two front side member mounting portions opposite to the connecting beam.
4. The front cross member structure according to claim 3, wherein a reinforcing rib is provided on the connecting beam, the reinforcing rib extending to a side surface of the front side member mounting portion adjacent to the connecting beam.
5. The utility model provides a lower automobile body frame, its characterized in that includes back crossbeam portion, two threshold roof beams and the front beam structure of any one of claims 1 to 4, two the threshold roof beam sets up relatively, the front beam body back crossbeam portion and two the threshold roof beam is around constituting battery installation frame jointly, the bottom of battery installation frame is provided with battery bottom plate, battery bottom plate with battery installation frame integrated into one piece, battery bottom plate with battery installation frame is around constituting the battery mounting groove.
6. The lower body frame according to claim 5, wherein the bottom surface of the battery floor is provided with honeycomb-shaped reinforcing ribs.
7. The lower body frame according to claim 5, wherein the rear cross member portion includes a rear cross member body integrally formed with the battery floor, and a seat cross member and two rear side member mounting portions integrally formed with the rear cross member body, the seat cross member being provided on a top surface of the rear cross member body, the two rear side member mounting portions being provided on both sides of the seat cross member.
8. A lower body frame according to claim 7, wherein the front cross beam body and/or the rear cross beam body is provided with a plurality of mounting ports, and the mounting ports comprise at least one waterway plug-in mounting port.
9. The lower body frame according to any one of claims 5 to 8, wherein a side of the rocker beam remote from the battery floor is provided with a rocker beam bead.
10. A vehicle body characterized by comprising the front cross member structure of any one of claims 1 to 4 or the lower body frame of any one of claims 5 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222114359.4U CN218505955U (en) | 2022-08-09 | 2022-08-09 | Front cross beam structure, lower vehicle body frame and vehicle body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222114359.4U CN218505955U (en) | 2022-08-09 | 2022-08-09 | Front cross beam structure, lower vehicle body frame and vehicle body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218505955U true CN218505955U (en) | 2023-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222114359.4U Active CN218505955U (en) | 2022-08-09 | 2022-08-09 | Front cross beam structure, lower vehicle body frame and vehicle body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218505955U (en) |
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2022
- 2022-08-09 CN CN202222114359.4U patent/CN218505955U/en active Active
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