CN221340823U - Automobile rear floor beam reinforcing structure - Google Patents
Automobile rear floor beam reinforcing structure Download PDFInfo
- Publication number
- CN221340823U CN221340823U CN202323316727.4U CN202323316727U CN221340823U CN 221340823 U CN221340823 U CN 221340823U CN 202323316727 U CN202323316727 U CN 202323316727U CN 221340823 U CN221340823 U CN 221340823U
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- CN
- China
- Prior art keywords
- rear floor
- floor
- fixedly connected
- connecting plate
- oil tank
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 15
- 238000003466 welding Methods 0.000 claims description 14
- 238000005452 bending Methods 0.000 claims description 12
- 230000002787 reinforcement Effects 0.000 claims description 4
- 238000005728 strengthening Methods 0.000 claims description 4
- 241000156302 Porcine hemagglutinating encephalomyelitis virus Species 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
Abstract
The utility model provides an automobile rear floor beam reinforcing structure which comprises an oil tank beam fixedly connected to a middle floor and a rear floor front beam fixedly connected to the rear floor, wherein a beam connecting plate is fixedly connected between the oil tank beam and the rear floor front beam, the oil tank beam, the rear floor front beam and the beam connecting plate are connected to form an I-shaped structure, and the lower end of the beam connecting plate is fixedly connected with the middle floor. The utility model solves the problems that the transfer function of the existing floor area vehicle body structure of the hybrid PHEV vehicle type does not reach the standard and the vibration noise is large.
Description
Technical Field
The utility model relates to the technical field of automobile bodies, in particular to an automobile rear floor beam reinforcing structure.
Background
At present, the NVH performance requirements of new energy passenger car markets on car body frameworks are higher and higher, and the requirements on vibration and noise filtering performance of car body structures are also improved. In general, a hybrid PHEV vehicle has noise and vibration source components such as exhaust and a motor in a rear floor area, and the area has more arrangement parts, but the rear floor structure is more regular, and the connection part of the middle floor and the rear floor of some vehicle has no reinforcing structure, so that the vehicle body structure has the conditions that the transfer function is not up to standard and the vibration noise is larger. Therefore, it is necessary to invent a reinforcing structure for a rear floor cross member of an automobile.
Disclosure of utility model
The utility model aims to provide an automobile rear floor beam reinforcing structure, which solves the problems that the transfer function of the automobile body structure in the rear floor area of the traditional hybrid PHEV automobile type is not up to standard and the vibration noise is large.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a car rear floor crossbeam additional strengthening, includes the oil tank crossbeam of fixed connection on well floor, the rear floor front beam of fixed connection on the rear floor, oil tank crossbeam and rear floor front beam between fixedly connected with crossbeam connecting plate, oil tank crossbeam, rear floor front beam and crossbeam connecting plate be connected with and form I shape structure, the lower extreme and the well floor fixed connection of crossbeam connecting plate.
Further, the cross section of the beam connecting plate is of a shape like a Chinese character 'ji', and the front end and the rear end of the beam connecting plate are fixedly connected with the beam of the oil tank and the front beam of the rear floor respectively.
Further, the left side and the right side of the lower end of the beam connecting plate are respectively provided with a first connecting edge in a bending way, and the first connecting edge is fixedly connected with a first bending edge of the beam of the oil tank, the upper end face of the middle floor and a second bending edge of the front beam of the rear floor.
Further, the first connecting edge is fixedly connected with the oil tank cross beam, the middle floor and the rear floor front cross beam through welding.
Further, the left side and the right side of the front end and the rear end of the beam connecting plate are respectively provided with second connecting edges in a bending way, and the second connecting edges are respectively fixedly connected with the rear end face of the oil tank beam and the front end face of the rear floor front beam.
Further, the second connecting edge is fixedly connected with the oil tank cross beam and the rear floor front cross beam through welding.
Further, a third connecting edge extends from the rear side of the upper end face of the cross beam connecting plate, and the third connecting edge is fixedly connected with the upper end face of the rear floor front cross beam.
Further, the third connecting edge is fixedly connected with the front cross beam of the rear floor through welding.
Further, the upper end face of the beam connecting plate is provided with a plurality of welding positioning holes.
The utility model has the beneficial effects that: according to the rear floor beam reinforcing structure, the beam connecting plate is arranged between the oil tank beam and the rear floor front beam to reinforce the rear floor and the middle floor area, so that the structural rigidity of the rear floor and the middle floor area can be effectively increased, the vehicle body mode is improved, vibration noise is reduced, and the NVH performance is improved.
The utility model will be described in more detail below with reference to the drawings and examples.
Drawings
FIG. 1 is a cross beam reinforcement structure of a rear floor of an automobile according to the present utility model.
Fig. 2 is a side view of a rear floor cross member reinforcement structure of an automobile according to the present utility model.
Fig. 3 is an exploded view of a reinforcement structure for a rear floor cross member of an automobile according to the present utility model.
Fig. 4 is a connection structure diagram of the beam of the oil tank, the front beam of the rear floor and the beam connection plate in the utility model.
Fig. 5 is a view showing another connecting structure of the beam of the oil tank, the front beam of the rear floor and the beam connecting plate in the other direction.
Fig. 6 is a top view of the connection structure of the beam of the fuel tank, the front beam of the rear floor and the beam connection plate in the utility model.
Detailed Description
The utility model provides an automobile rear floor crossbeam additional strengthening as shown in fig. 1 through 6, includes the oil tank crossbeam 1 of fixed connection on well floor 10, the back floor front beam 2 of fixed connection on back floor 20, welds after well floor 10 and the overlap joint of back floor 20, and back floor front beam 2 welds the up end in well floor 10 and the overlap joint department of back floor 20, oil tank crossbeam 1 and back floor front beam 2 between fixedly connected with crossbeam connecting plate 3, oil tank crossbeam 1, back floor front beam 2 and crossbeam connecting plate 3 connect and form I shape structure, the lower extreme and the well floor 10 fixed connection of crossbeam connecting plate 3.
Preferably, in combination with the above scheme, in order to increase the structural rigidity, the cross section of the beam connecting plate 3 is in a shape like a Chinese character 'ji', and the front end and the rear end of the beam connecting plate 3 are fixedly connected with the oil tank beam 1 and the rear floor front beam 2 respectively.
Preferably, in combination with the above scheme, in order to be better fixedly connected with the tank cross beam 1, the middle floor 10 and the rear floor front cross beam 2, the left side and the right side of the lower end of the cross beam connecting plate 3 are respectively provided with a first connecting edge 31 in a bending way, and the first connecting edge 31 is fixedly connected with the first bending edge 11 of the tank cross beam 1, the upper end surface of the middle floor 10 and the second bending edge 21 of the rear floor front cross beam 2.
Preferably, in combination with the above-mentioned solution, the first connecting edge 31 is fixedly connected to the tank cross member 1, the middle floor 10 and the rear floor front cross member 2 by welding in order to ensure the stability of the connection.
Preferably, in combination with the above scheme, in order to be better fixedly connected with the tank beam 1 and the rear floor front beam 2, the left side and the right side of the front end and the rear end of the beam connecting plate 3 are respectively provided with second connecting edges 32 in a bending way, and the second connecting edges 32 are respectively fixedly connected with the rear end face of the tank beam 1 and the front end face of the rear floor front beam 2.
Preferably, in combination with the above solution, in order to ensure the stability of the connection, the second connecting edge 32 is fixedly connected to the tank cross member 1 and the rear floor front cross member 2 by welding.
Preferably, in combination with the above solution, in order to ensure that the connection is more stable and firm, a third connecting edge 33 extends from the rear side of the upper end surface of the beam connecting plate 3, and the third connecting edge 33 is fixedly connected with the upper end surface of the rear floor front beam 2.
Preferably, in combination with the above-mentioned solution, the third connecting edge 33 is fixedly connected to the rear floor front cross member 2 by welding in order to ensure the stability of the connection.
Preferably, in combination with the above scheme, in order to facilitate positioning during welding, a plurality of welding process positioning holes 34 are formed in the upper end face of the beam connecting plate 3.
Through foretell rear floor crossbeam additional strengthening, solved PHEV motorcycle type at the regional NVH vibrations of rear floor, the relatively poor problem of noise transfer function index, and satisfied the arrangement structure in this region, welding technology requirement.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is correspondingly changed.
While the utility model has been described above by way of example with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the specific embodiments described above, but is intended to cover various modifications of the method concepts and technical solutions of the utility model, or applications without modifications, as such are within the scope of the utility model.
Claims (9)
1. The utility model provides a floor crossbeam additional strengthening behind car, includes oil tank crossbeam (1) on well floor (10) of fixed connection, back floor front beam (2) on back floor (20) of fixed connection, characterized by, oil tank crossbeam (1) and back floor front beam (2) between fixedly connected with crossbeam connecting plate (3), oil tank crossbeam (1), back floor front beam (2) be connected with crossbeam connecting plate (3) and form I shape structure, the lower extreme and the well floor (10) fixed connection of crossbeam connecting plate (3).
2. The automobile rear floor beam reinforcing structure according to claim 1, wherein the cross section of the beam connecting plate (3) is of a zigzag structure, and the front end and the rear end of the beam connecting plate (3) are fixedly connected with the oil tank beam (1) and the rear floor front beam (2) respectively.
3. The automobile rear floor beam reinforcing structure according to claim 1 or 2, wherein the left side and the right side of the lower end of the beam connecting plate (3) are respectively provided with a first connecting edge (31) in a bending way, and the first connecting edges (31) are fixedly connected with a first bending edge (11) of the oil tank beam (1), the upper end face of the middle floor (10) and a second bending edge (21) of the rear floor front beam (2).
4. A rear floor cross member reinforcement structure for an automobile according to claim 3, wherein the first connecting edge (31) is fixedly connected to the tank cross member (1), the middle floor (10) and the rear floor front cross member (2) by welding.
5. The automobile rear floor beam reinforcing structure according to claim 1 or 2, wherein the left side and the right side of the front end and the rear end of the beam connecting plate (3) are respectively provided with second connecting edges (32) in a bending way, and the second connecting edges (32) are respectively fixedly connected with the rear end face of the oil tank beam (1) and the front end face of the rear floor front beam (2).
6. The automobile rear floor cross beam reinforcing structure according to claim 5, wherein the second connecting edge (32) is fixedly connected with the oil tank cross beam (1) and the rear floor front cross beam (2) through welding.
7. The automobile rear floor beam reinforcing structure according to claim 1 or 2, wherein a third connecting edge (33) extends from the rear side of the upper end face of the beam connecting plate (3), and the third connecting edge (33) is fixedly connected with the upper end face of the rear floor front beam (2).
8. The automobile rear floor cross beam reinforcing structure according to claim 7, wherein the third connecting edge (33) is fixedly connected with the rear floor front cross beam (2) by welding.
9. The automobile rear floor beam reinforcing structure according to claim 1 or 2, characterized in that the upper end face of the beam connecting plate (3) is provided with a plurality of welding positioning holes (34).
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221340823U true CN221340823U (en) | 2024-07-16 |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |