CN213565374U - Energy-absorbing cross beam structure of vehicle body and vehicle door - Google Patents
Energy-absorbing cross beam structure of vehicle body and vehicle door Download PDFInfo
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- CN213565374U CN213565374U CN202022197133.6U CN202022197133U CN213565374U CN 213565374 U CN213565374 U CN 213565374U CN 202022197133 U CN202022197133 U CN 202022197133U CN 213565374 U CN213565374 U CN 213565374U
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 13
- 238000003466 welding Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 abstract description 11
- 238000000926 separation method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Abstract
The utility model provides a car body door energy-absorbing crossbeam structure can improve the door integrality of head-on collision or 25% offset collision, reduces the harm that the side collision brought. The energy-absorbing crossbeam of the vehicle body vehicle door energy-absorbing crossbeam structure is arranged at the lower end of a cavity between a vehicle door outer plate and a vehicle door inner plate, the front end of the energy-absorbing crossbeam is connected with the inner end of a vehicle door hinge reinforcing plate, and the rear end of the energy-absorbing crossbeam is connected to the vehicle door inner plate close to a B column. The utility model discloses an add the energy-absorbing crossbeam between door planking and door inner panel, increased the transmission route from the inner of door hinge reinforcing plate to side wall B post with the collision energy, reduced the collision energy transmission that transmits the door from side wall A post lower extreme inboard, avoided door planking and door inner panel to produce and tear the separation, guarantee whole door system's integrality, reduce the harm that weakens the passenger and receive, promote vehicle safety performance.
Description
Technical Field
The utility model relates to an automobile body technical field, concretely relates to automobile body door energy-absorbing crossbeam structure.
Background
At present, the attention and the requirement of the automobile industry and consumers on automobile safety are higher and higher, in the process of automobile door energy transmission, collision energy of the lower end of the A column is transmitted to the B column through an automobile door hinge, an anti-collision beam, a waist line reinforcing plate and the like, but the energy of the inner side of the lower end of the partial A column cannot be completely transmitted through the above mode, the A column can be overturned and deformed, meanwhile, the automobile door is rotated and displaced, the automobile door is deformed seriously or opened, and great potential safety hazards exist for passengers and drivers.
Disclosure of Invention
The utility model aims at providing a car body door energy-absorbing crossbeam structure can improve the door integrality of head-on collision or 25% offset collision, reduces the harm that the side collision brought.
According to the utility model provides an automobile body door energy-absorbing crossbeam structure, its characterized in that the energy-absorbing crossbeam sets up the cavity lower extreme between door planking and door inner panel, the front end of energy-absorbing crossbeam is connected with the inner of door hinge reinforcing plate, the rear end of energy-absorbing crossbeam is connected on the door inner panel that is close to the B post.
The utility model discloses an add the energy-absorbing crossbeam between door planking and door inner panel, increased the transmission route from the inner of door hinge reinforcing plate to side wall B post with the collision energy, reduced the collision energy transmission that transmits the door from side wall A post lower extreme inboard, avoided door planking and door inner panel to produce and tear the separation, guarantee whole door system's integrality, reduce the harm that weakens the passenger and receive, promote vehicle safety performance.
Furthermore, in order to improve the strength of the energy-absorbing beam, the radial section of the energy-absorbing beam is U-shaped.
Furthermore, the energy-absorbing cross beam is arranged from front to back and downwards along the vehicle length direction.
Furthermore, in order to ensure the stable connection of the energy-absorbing beam, the front end of the energy-absorbing beam is connected with the door hinge reinforcing plate and the door inner plate through three layers of welding points, and the rear end of the energy-absorbing beam is connected with the door inner plate through two layers of welding points.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the collision energy transfer path according to the present invention.
FIG. 3 is a schematic view of the crash energy path inboard of the lower end of the A-pillar when the door is not provided with an energy absorbing beam.
Fig. 4 is a schematic cross-sectional view of the energy-absorbing beam according to the present invention.
FIG. 5 is a schematic diagram of the path of an energy absorbing beam transferring energy from the A-pillar end to the B-pillar end.
Fig. 6 is a schematic sectional view of the energy-absorbing beam of the present invention.
In which the figures are as follows: 1. an energy-absorbing beam; 2. a door inner panel; 3. a vehicle door outer belt line reinforcing plate; 4. a door hinge reinforcement plate; 5. a door impact beam; 6. a side wall column A; 7. a door hinge; 8. a side wall B column; 9. an outer panel of the vehicle door; a. the collision energy is in the energy transfer path of the outer waist line reinforcing plate of the vehicle door; b. the collision energy is in an energy transfer path of the vehicle door anti-collision beam; c. the collision energy is in the energy transmission path of the energy-absorbing beam; d. an energy transfer path of collision energy inside the lower end of the A-pillar; e. the energy inside the lower end of the A-pillar is transmitted to the path of the vehicle door.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings, wherein the embodiments of the present invention are described in detail with reference to the accompanying drawings, for example, the shapes and structures of the respective members, the mutual positions and connection relationships between the respective portions, the functions and operation principles of the respective portions, and the like.
As shown in fig. 1-6, the utility model discloses a car body door energy-absorbing beam structure, energy-absorbing beam 1 set up the cavity lower extreme between door planking 9 and door inner panel 2, and the front end of energy-absorbing beam 1 is connected with the inner of door hinge reinforcing plate 4, and the rear end of energy-absorbing beam 1 is connected on being close to the door inner panel 2 of B post 8. Wherein, the energy-absorbing beam 1 can be made of a hot-formed steel plate or a high-strength steel plate.
The utility model discloses an add energy-absorbing crossbeam 1 between door planking 9 and door inner panel 2, increased the inner of 6 door hinge reinforcing plates 4 of side wall A post with the collision energy to the transmission route of side wall B post 8, reduced the collision energy transmission that transmits the door from 6 lower extremes of side wall A post, avoided door planking 9 and door inner panel 2 to produce and torn the separation, guarantee whole door system's integrality, reduce the harm that weakens the passenger and receive, promote vehicle safety performance.
The utility model discloses an action principle as follows:
as shown in fig. 3, in the absence of the energy-absorbing beam 1, the energy transmission paths are a, B and d, wherein a and B transmit energy to the side wall B pillar 8, and the energy of the path d directly acts on the weak door inner panel 2, so that the door inner panel 2 transmits energy in a tangential direction to the whole door through the path e, and in this case, the door outer panel 9 and the door inner panel 2 are torn and separated, which may damage the whole door system and increase the probability of damage to passengers;
as shown in fig. 5, under the condition of adding the energy-absorbing beam 1, the transmission paths are a, B, d and c, wherein the energy transmission of the path d transmits the energy to the energy-absorbing beam 1 through the deformation of the side wall a pillar 6, and transmits the energy to the side wall B pillar 8 through the path c, so that the energy of the weakened path e is reduced, the tearing separation of the door outer plate 9 and the door inner plate 2 is avoided, the integrity of the whole door system is ensured, and the harm to passengers is reduced
As a preferred embodiment, as shown in fig. 6, the energy-absorbing beam 1 has a U-shaped radial cross section in order to improve the strength of the energy-absorbing beam 1.
Preferably, as shown in fig. 1, the energy absorbing beam 1 is disposed downward from front to rear in the vehicle length direction.
Preferably, in order to ensure that the energy-absorbing beam 1 is stably connected, the front end of the energy-absorbing beam 1 is connected with the door hinge reinforcing plate 4 and the door inner plate 2 through three layers of welding points, and the rear end of the energy-absorbing beam 1 is connected with the door inner plate 2 through two layers of welding points.
The present invention has been described in detail with reference to the accompanying drawings, and it is apparent that the present invention is not limited by the above embodiments, and various insubstantial improvements can be made without modification to the present invention.
Claims (4)
1. The energy-absorbing crossbeam structure of the vehicle body and the vehicle door is characterized in that the energy-absorbing crossbeam is arranged at the lower end of a cavity between a vehicle door outer plate and a vehicle door inner plate, the front end of the energy-absorbing crossbeam is connected with the inner end of a vehicle door hinge reinforcing plate, and the rear end of the energy-absorbing crossbeam is connected to the vehicle door inner plate close to a B column.
2. The vehicle body door energy absorbing beam structure of claim 1, wherein said energy absorbing beam has a U-shaped radial cross-section.
3. The vehicle body door energy absorbing beam structure according to claim 1, wherein said energy absorbing beam is disposed downward from front to rear in the vehicle length direction.
4. The vehicle body door energy-absorbing beam structure according to claim 1, 2 or 3, wherein the front end of the energy-absorbing beam is connected with the door hinge reinforcing plate and the door inner plate through three layers of welding points, and the rear end of the energy-absorbing beam is connected with the door inner plate through two layers of welding points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022197133.6U CN213565374U (en) | 2020-09-29 | 2020-09-29 | Energy-absorbing cross beam structure of vehicle body and vehicle door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022197133.6U CN213565374U (en) | 2020-09-29 | 2020-09-29 | Energy-absorbing cross beam structure of vehicle body and vehicle door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213565374U true CN213565374U (en) | 2021-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022197133.6U Active CN213565374U (en) | 2020-09-29 | 2020-09-29 | Energy-absorbing cross beam structure of vehicle body and vehicle door |
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| CN (1) | CN213565374U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115402416A (en) * | 2022-08-17 | 2022-11-29 | 柳州五菱新能源汽车有限公司 | Vehicle body structure and short-head vehicle |
-
2020
- 2020-09-29 CN CN202022197133.6U patent/CN213565374U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115402416A (en) * | 2022-08-17 | 2022-11-29 | 柳州五菱新能源汽车有限公司 | Vehicle body structure and short-head vehicle |
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