CN220114571U - Automobile GCU bracket mounting structure - Google Patents
Automobile GCU bracket mounting structure Download PDFInfo
- Publication number
- CN220114571U CN220114571U CN202321673005.1U CN202321673005U CN220114571U CN 220114571 U CN220114571 U CN 220114571U CN 202321673005 U CN202321673005 U CN 202321673005U CN 220114571 U CN220114571 U CN 220114571U
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- bracket
- gcu
- mounting
- support
- mounting structure
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- 238000002955 isolation Methods 0.000 claims abstract description 20
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 230000002238 attenuated effect Effects 0.000 abstract description 9
- 230000005855 radiation Effects 0.000 abstract description 7
- 238000003466 welding Methods 0.000 description 5
- 230000005284 excitation Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Body Structure For Vehicles (AREA)
Abstract
The utility model relates to an automobile GCU bracket mounting structure which comprises a mounting bracket for bearing GCU, wherein one end of the mounting bracket is fixedly connected with a longitudinal beam, the other end of the mounting bracket is connected with a front wheel cover mounting plate, a vibration isolation bushing is arranged on the mounting bracket, the GCU is connected with the mounting bracket through the vibration isolation bushing, the GCU is connected with the bracket through the vibration isolation bushing, vibration of the GCU is transmitted to a vehicle body after being attenuated by the vibration isolation bushing, and vibration energy is greatly attenuated, so that noise radiation from the vehicle body to a passenger cabin is reduced, and NVH performance is improved.
Description
Technical Field
The utility model relates to the technical field of GCU, in particular to an automobile GCU bracket mounting structure.
Background
The GCU is used as a controller of the extended-range electric vehicle generator, and is connected with the generator and the driving motor through a plurality of high-voltage wires, as shown in fig. 1. In the running process of the automobile, the excitation of the road surface to the tire, the excitation of the driving motor and the excitation of the generator are transmitted to the GCU through the high-voltage wire harness. Vibration of the GCU is transmitted to the vehicle body through the support, so that the vehicle body vibrates to radiate noise to the passenger cabin, NVH performance of the passenger cabin is reduced, and riding comfort is affected. When the frequency of vibration transmitted to the GCU and the natural frequency of the GCU bracket are in a resonance band, not only is the vibration amplified to cause the increase of radiation noise, but also fatigue damage of the GCU bracket can be caused, and the service life of the bracket is shortened.
Disclosure of Invention
In view of the above, the utility model provides an automobile GCU bracket mounting structure, which is light in weight and reduces the radiation noise of an automobile body to a passenger cabin.
The utility model provides an automobile GCU bracket mounting structure, which adopts the following technical scheme:
the utility model provides an automobile GCU support mounting structure, is including the installing support that is used for bearing GCU, the one end and the longeron fixed connection of installing support, the other end are connected with front wheel cover mounting panel, be provided with vibration isolation bush on the installing support, GCU passes through vibration isolation bush and is connected with the installing support.
Optionally, the installing support includes interconnect's first support and second support, first support is used for bearing GCU, first support is connected with front wheel cover mounting panel, the second support is connected with the longeron, have the mounting point of front wheel cover on the first support.
Optionally, the longitudinal section of the first bracket is L-shaped.
Optionally, the first bracket is provided with a reinforcing rib for improving the supporting rigidity of the first bracket.
Optionally, the first bracket is provided with a mounting hole, a liner tube is arranged in the mounting hole, and the vibration isolation liner tube is arranged in the mounting hole through the liner tube.
Optionally, the first bracket is provided with a first lightening hole.
Optionally, a flange is provided at the edge of the first bracket.
Optionally, the top of the second bracket protrudes upwards to form a mounting table.
Optionally, a second lightening hole is formed in the second bracket.
Optionally, a lap joint part lap-jointed with the longitudinal beam is arranged on the second bracket, and the second bracket is connected with the longitudinal beam through the lap joint part.
In summary, the present utility model includes at least one of the following beneficial technical effects: the GCU is connected with the support through the vibration isolation bushing, vibration of the GCU is transmitted to the vehicle body after being attenuated by the vibration isolation bushing, vibration energy is greatly attenuated, noise radiation of the vehicle body to the passenger cabin is reduced, and NVH performance is improved.
Drawings
FIG. 1 is a schematic overall structure of an embodiment of the present utility model;
FIG. 2 is a schematic view of the overall structure of a first bracket according to an embodiment of the present utility model;
fig. 3 is a schematic diagram of the overall structure of a second bracket according to an embodiment of the present utility model.
Reference numerals illustrate: 1. a first bracket; 2. a second bracket; 3. a front wheel cover mounting plate; 4. a longitudinal beam; 5. reinforcing ribs; 6. a mounting hole; 7. a liner tube; 8. a first lightening hole; 9. flanging; 10. a mounting table; 11. a second lightening hole; 12. a lap joint; 13. vibration isolation bushings.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-3.
The embodiment of the utility model discloses an automobile GCU bracket mounting structure.
Referring to fig. 1, 2 and 3, an automobile GCU bracket mounting structure includes a mounting bracket for bearing GCU, one end of the mounting bracket is fixedly connected with a longitudinal beam 4, the other end of the mounting bracket is connected with a front wheel cover mounting plate 3, a vibration isolation bushing 13 is arranged on the mounting bracket, GCU is connected with the mounting bracket through the vibration isolation bushing 13, GCU is connected with the bracket through the vibration isolation bushing 13, vibration of GCU is transmitted to an automobile body after being attenuated by the vibration isolation bushing 13, vibration energy is greatly attenuated, so that noise radiation from the automobile body to an passenger cabin is reduced, and NVH performance is improved.
In this embodiment, the installing support is installed on car longeron 4 and front wheel casing mounting panel 3, guarantees the mounted position and supports rigidity, effectively reduces vibration transmission, promotes NVH performance.
In this embodiment the mounting bracket comprises a first bracket 1 for carrying the GCU and a second bracket 2, the second bracket 2 being connected to the stringers 4.
In the embodiment, the first bracket 1 is formed by integrally stamping a sheet metal with the thickness of 1.8mm, and when the first bracket 1 is mounted on the front wheel cover mounting plate 3, the first bracket 1 is integrally formed into an inverted L shape. The two L-shaped surfaces of the first bracket 1 may have the same length or different lengths.
In this embodiment, the two faces of the first bracket 1 are different in length, the long face of the L-shape is a horizontal plane, and the short face of the L-shape is used for connection with the second bracket 2 as a GCU mounting plane.
In this embodiment, the horizontal plane of the first bracket 1 is connected with the front wheel cover mounting plate 3 through bolts, specifically, the first bracket 1 is provided with two through holes penetrating through the first bracket 1, in this embodiment, the two through holes are located at two lateral sides of the first bracket 1, and then the first bracket 1 and the front wheel cover mounting plate 3 are in threaded connection through the through holes through bolts, so that the first bracket 1 and the front wheel cover mounting plate 3 are fixed. The mounting bracket is mounted on the automobile longitudinal beam 4 and the front wheel cover mounting plate 3, so that the mounting position is guaranteed to support rigidity, vibration transmission is effectively reduced, and NVH performance is improved.
The first bracket 1 and the second bracket 2 may be fixedly connected or integrally formed, and in this embodiment, the first bracket 1 and the second bracket 2 are fixedly connected by bolts, and specifically, the first bracket 1 is connected with the second bracket 2 by two bolts.
The horizontal plane of the first bracket 1 is provided with mounting holes 6, specifically, four mounting holes 6 are formed in the horizontal plane of the first bracket 1, and the four mounting holes 6 are distributed around the horizontal plane of the first bracket 1. The mounting hole 6 sinks to be set up in first support 1, is provided with bushing pipe 7 in the mounting hole 6, and bushing pipe 7 through two guarantor welds and first support 1 fixed connection, vibration isolation bushing 13 passes through bushing pipe 7 to be installed in mounting hole 6. The GCU is connected with the first bracket 1 through four bushing installations, vibration of the GCU is transmitted to the vehicle body after being attenuated by the vibration isolation bushing 13, and vibration energy is greatly attenuated, so that noise radiation from the vehicle body to the passenger cabin is reduced, excitation to a road surface, a driving motor and a generator can be effectively attenuated, noise radiation from the vehicle body to the passenger cabin is reduced, and NVH performance is improved.
The first bracket 1 is provided with a reinforcing rib 5 for improving the supporting rigidity of the first bracket 1. In this embodiment, the long face and the short face of the first bracket 1 are both provided with reinforcing ribs 5, specifically, two reinforcing ribs 5 that are transversely pulled through are provided on the long face, and the short face is provided with a reinforcing rib 5 that is vertically connected. Through the setting of strengthening rib 5, can guarantee the support rigidity of first support 1, support GCU more firm.
The edge of the first bracket 1 is provided with a flanging 9. Specifically, the flange 9 with the height of about 6mm is designed at the edge of the long surface of the first bracket 1, the support rigidity of the GCU mounting point can be improved through the design of the flange 9, the support rigidity of the GCU mounting point can be further remarkably improved through the cooperation of the flange 9 and the reinforcing ribs 5, the support of the GCU is more stable, and the NVH performance is improved.
The first bracket 1 is provided with a first lightening hole 8. In the present embodiment, the first lightening holes 8 are opened on the long face of the first bracket 1 and are located inside the mounting holes 6 such that the four mounting holes 6 are located outside the first lightening holes 8. The shape of the opening cross section of the first lightening hole 8 may be a circle, an ellipse or a polygon, in this embodiment, the first lightening hole 8 is approximately square, and the edge of the first lightening hole 8 is also provided with a flange 9, so that the first bracket 1 can ensure the supporting rigidity of the first bracket 1 while being light.
The second brackets 2 are connected to the stringers 4, in this embodiment the second brackets 2 are integrally formed by stamping using 1.2mm sheet metal and are welded to form a support beam structure about 48mm wide.
In the present embodiment, the mounting stand 10 is formed to protrude upward at the position of the connection point of the top of the second bracket 2 to the first bracket 1. The bolts are connected with the first bracket 1 through the through holes of the mounting table 10, so that the supporting rigidity of the whole mounting bracket is improved.
The second support 2 can be connected with the longitudinal beam 4 through a fixing piece fixing mode such as a bolt or the like, and also can be connected with the longitudinal beam 4 through a welding mode, the bottom of the second support 2 is lapped on the upper portion of the longitudinal beam 4, in this embodiment, the second support 2 is connected with the longitudinal beam 4 through a lap spot welding mode, a lap joint part 12 lapped with the longitudinal beam 4 is arranged on the second support 2, the second support 2 is connected with the longitudinal beam 4 through the lap joint part 12, specifically, the second support 2 is outwards bent to form three lap joint parts 12, a three-face lap joint mode is formed through welding spots, and lap joint strength of the second support 2 and the longitudinal beam 4 can be improved.
In addition, the front and rear of the second bracket 2 form a closed structure in a self-welding mode, so that the supporting rigidity of the whole mounting bracket is improved.
The second bracket 2 is provided with a second lightening hole 11. In the present embodiment, the second lightening holes 11 are square lightening holes, and the lightening is realized while satisfying the supporting rigidity of the whole mounting bracket.
The utility model adopts the mode of combining spot welding and bolts for connection, and has simple manufacturing process and high lap joint strength.
According to the utility model, the mounting bracket is designed to be light through the designed first lightening holes 8 and the second lightening holes 11, and the light weight and cost control of the whole vehicle are facilitated on the premise of ensuring the supporting rigidity of the mounting bracket.
The structure of the utility model can meet various indexes such as space, light weight, improving effect, manufacturing process and the like.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (10)
1. An automobile GCU support mounting structure which is characterized in that: including the installing support that is used for bearing GCU, the one end and longeron (4) fixed connection of installing support, the other end is connected with front wheel casing mounting panel (3), be provided with vibration isolation bush (13) on the installing support, GCU passes through vibration isolation bush (13) and is connected with the installing support.
2. The automotive GCU bracket mounting structure of claim 1, wherein: the mounting bracket comprises a first bracket (1) and a second bracket (2) which are connected with each other, wherein the first bracket (1) is used for bearing GCU, the first bracket (1) is connected with a front wheel cover mounting plate (3), the second bracket (2) is connected with a longitudinal beam (4), and the first bracket (1) is provided with a mounting point of a front wheel cover.
3. The automotive GCU bracket mounting structure of claim 2, characterized in that: the longitudinal section of the first bracket (1) is L-shaped.
4. The automotive GCU bracket mounting structure of claim 2, characterized in that: the first support (1) is provided with a reinforcing rib (5) for improving the supporting rigidity of the first support (1).
5. The automotive GCU bracket mounting structure of claim 2, characterized in that: the vibration isolation support is characterized in that the first support (1) is provided with a mounting hole (6), a liner tube (7) is arranged in the mounting hole (6), and the vibration isolation bushing (13) is arranged in the mounting hole (6) through the liner tube (7).
6. The automotive GCU bracket mounting structure of claim 2, characterized in that: the first bracket (1) is provided with a first lightening hole (8).
7. The automotive GCU bracket mounting structure of claim 5, wherein: the edge of the first bracket (1) is provided with a flanging (9).
8. The automotive GCU bracket mounting structure of claim 2, characterized in that: the top of the second bracket (2) protrudes upwards to form a mounting table (10).
9. The automotive GCU bracket mounting structure of claim 8, wherein: the second bracket (2) is provided with a second lightening hole (11).
10. The automotive GCU bracket mounting structure of claim 9, wherein: the second support (2) is provided with a lap joint part (12) lap-jointed with the longitudinal beam (4), and the second support (2) is connected with the longitudinal beam (4) through the lap joint part (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321673005.1U CN220114571U (en) | 2023-06-28 | 2023-06-28 | Automobile GCU bracket mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321673005.1U CN220114571U (en) | 2023-06-28 | 2023-06-28 | Automobile GCU bracket mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220114571U true CN220114571U (en) | 2023-12-01 |
Family
ID=88913836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321673005.1U Active CN220114571U (en) | 2023-06-28 | 2023-06-28 | Automobile GCU bracket mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220114571U (en) |
-
2023
- 2023-06-28 CN CN202321673005.1U patent/CN220114571U/en active Active
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