CN218055377U - Front longitudinal beam structure of vehicle cabin and vehicle - Google Patents
Front longitudinal beam structure of vehicle cabin and vehicle Download PDFInfo
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- CN218055377U CN218055377U CN202222596633.6U CN202222596633U CN218055377U CN 218055377 U CN218055377 U CN 218055377U CN 202222596633 U CN202222596633 U CN 202222596633U CN 218055377 U CN218055377 U CN 218055377U
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- side member
- door
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- longitudinal beam
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Abstract
The utility model provides a front longitudinal structure and vehicle in vehicle cabin relates to vehicle automobile body technical field. The vehicle includes a door, and the front rail structure is located forward of the door and closer to an interior of the vehicle than the door. The front longitudinal beam structure of the vehicle cabin comprises a first part and a second part, wherein the first part extends along the longitudinal direction of the vehicle, the second part extends from one end, close to the vehicle door, of the first part to the direction of the vehicle door to form a first preset included angle with the first part, and the front longitudinal beam structure is arranged to absorb energy and bend at the connecting part of the first part and the second part after being subjected to external impact force. According to the technical scheme, the front longitudinal beam of the vehicle is designed into a bent shape, and the front longitudinal beam can absorb energy and bend when the vehicle is in direct impact, so that the collision energy is absorbed, most of collision force is prevented from being transmitted to the rear part of the engine room, and drivers and passengers are protected.
Description
Technical Field
The utility model relates to a vehicle automobile body technical field especially relates to a front longitudinal structure and vehicle in vehicle cabin.
Background
The front longitudinal beam of the engine room is an important component of the vehicle body and has the functions of absorbing collision energy and transmitting collision force. After the existing automobile type is collided, the front longitudinal beam cannot absorb enough energy and is not ideal in bending, most of collision force is transmitted to the rear part of an engine room, invasion to a passenger cabin is increased, and injury to drivers and passengers is increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose of first aspect is to provide a front longitudinal beam structure in vehicle cabin solves the relatively poor technical problem of vehicle front longitudinal beam energy-absorbing effect among the prior art.
The utility model discloses the purpose of second aspect provides a vehicle with front longitudinal structure.
According to an object of a first aspect of the present invention, the present invention provides a front longitudinal beam structure of a vehicle cabin, the vehicle comprising a door, the front longitudinal beam structure being located in front of the door and closer to an interior of the vehicle than the door;
the front longitudinal beam structure comprises a first part and a second part, the first part extends along the longitudinal direction of the vehicle, the second part extends from one end, close to the vehicle door, of the first part to the direction of the vehicle door so as to form a first preset included angle with the first part, and the front longitudinal beam structure is arranged to be bent at the connecting position of the first part and the second part after being subjected to external impact force in an energy-absorbing mode.
Optionally, the second portion comprises:
a first power transmission unit having one end connected to an A-pillar of the vehicle;
and the second force transmission part and the first force transmission part form a second preset included angle, and one end of the second force transmission part is connected with a front floor edge beam of the vehicle.
Optionally, the second preset included angle is an acute angle.
Optionally, the first portion, the first force transfer portion and the second force transfer portion each define a force transfer cavity.
Optionally, the first part comprises an inner plate and an outer plate which are connected with each other, and at least one first crush rib is arranged at one end of the inner plate close to the front of the vehicle, and the first crush rib is arranged along the width direction of the inner plate.
Optionally, at least one induction groove is arranged at one end of the inner plate close to the second part, and the induction groove is arranged along the width direction of the inner plate.
Optionally, the induction channel is arcuate in cross-section.
Optionally, one end of the outer plate close to the front of the vehicle is provided with at least one second crushing rib, and one side of the second part connected with the outer plate is provided with at least one third crushing rib.
Optionally, the width of the induction groove is any value in the range of 54 mm-58 mm;
the depth of the induction groove is any value within the range of 4 mm-6 mm.
According to the utility model discloses the purpose of second aspect, the utility model also provides a vehicle, the vehicle mounting has foretell front longitudinal structure.
The utility model discloses well vehicle includes the door, and the front longitudinal structure is located the place ahead of door, and compares in the inside that the door is more close to the vehicle. The front longitudinal beam structure of the vehicle cabin comprises a first part and a second part, wherein the first part extends along the longitudinal direction of the vehicle, the second part extends from one end, close to the vehicle door, of the first part to the direction of the vehicle door to form a first preset included angle with the first part, and the front longitudinal beam structure is arranged to absorb energy and bend at the connecting part of the first part and the second part after being subjected to external impact force. According to the technical scheme, the front longitudinal beam of the vehicle is designed into a bent shape, and the front longitudinal beam can absorb energy and bend when the vehicle is in direct impact, so that the collision energy is absorbed, most of collision force is prevented from being transmitted to the rear part of the engine room, and drivers and passengers are protected.
Further, the utility model discloses well inner panel is close to the one end department of second portion and is equipped with at least one and lures the guide slot, and the width direction of induced groove edge inner panel arranges. Above-mentioned technical scheme can be when the vehicle takes place to collide directly the energy-absorbing of induction groove department and buckle through the design of induction groove, can further absorb collision energy.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is a schematic block diagram of a front rail structure of a vehicle cabin according to one embodiment of the present invention at one angle;
FIG. 2 is a schematic block diagram of a front rail structure of a vehicle cabin according to another aspect of an embodiment of the present invention;
FIG. 3 is a schematic block diagram of a front rail structure of a vehicle cabin according to yet another angle of an embodiment of the present invention;
fig. 4 is a schematic force diagram of an impact force of the front side member structure shown in fig. 1.
Reference numerals:
100-a front longitudinal beam structure of a vehicle cabin, 10-a first part, 20-a second part, 30-a force transmission cavity, 11-an outer plate, 12-an inner plate, 111-a second crushing rib, 112-a third crushing rib, 121-a first crushing rib, 122-an induction groove, 21-a first force transmission part and 22-a second force transmission part.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Fig. 1 is a schematic structural view of a front longitudinal beam structure 100 of a vehicle cabin at one angle according to an embodiment of the present invention, fig. 2 is a schematic structural view of a front longitudinal beam structure of a vehicle cabin at another angle according to an embodiment of the present invention, and fig. 3 is a schematic structural view of a front longitudinal beam structure 100 of a vehicle cabin at yet another angle according to an embodiment of the present invention. As shown in fig. 1, 2 and 3, in one particular embodiment, the vehicle includes a door, and the front rail structure 100 is located forward of the door and closer to an interior of the vehicle than the door. The front longitudinal beam structure 100 of the vehicle cabin comprises a first part 10 and a second part 20, wherein the first part 10 extends along the longitudinal direction of the vehicle, the second part 20 extends from one end, close to a vehicle door, of the first part 10 to the direction of the vehicle door so as to form a first preset included angle with the first part 10, and the front longitudinal beam structure 100 is arranged to absorb energy and bend at the connection part of the first part 10 and the second part 20 after being subjected to external impact force. It is understood that a portion of the front side member structure 100 extends in the longitudinal direction of the vehicle, a portion near the rear of the vehicle is flared, i.e., extends toward the outside of the vehicle, and the first predetermined angle between the second portion 20 and the first portion 10 is an obtuse angle.
According to the embodiment, the front longitudinal beam of the vehicle is designed into a bent shape, and the front longitudinal beam can absorb energy and bend when the vehicle is in frontal collision, so that collision energy is absorbed, most collision force is prevented from being transmitted to the rear part of a cabin, and drivers and passengers are protected.
Fig. 4 is a schematic diagram of the collision force of the front side member structure 100 shown in fig. 1. As shown in fig. 4, the direction of the arrow is the transmission direction of the collision force, and referring to fig. 1, 2 and 3, in this embodiment, the second portion 20 includes a first force transmission part 21 and a second force transmission part 22, a section of the first force transmission part 21 is connected to the a pillar of the vehicle, the second force transmission part 22 and the first force transmission part 21 form a second predetermined included angle, and one end is connected to the front floor beam of the vehicle. This embodiment corresponds to the addition of collision force transmission paths to the rear portion of the front side member structure 100, one of which transmits collision force to the first force transmission portion 21 and then to the front floor side member via the first force transmission portion 21, and the other of which transmits collision force to the second force transmission portion 22 and then to the a-pillar and the a-pillar roof rail via the second force transmission portion 22, so that collision force can be transmitted efficiently to the vehicle body rear structure.
In this embodiment, the second preset included angle is an acute angle, and may be, for example, 50 °, 60 °, 70 °, 80 °, or the like.
In this embodiment, the first portion 10, the first force transfer part 21 and the second force transfer part 22 each define a force transfer chamber 30. In particular, the second portion 20 is formed by two plates connected to each other, between which two force transmission chambers 30 are defined, corresponding to the first force transmission portion 21 and the second force transmission portion 22, respectively, and the intermediate portions of the two plates are attached to each other.
In the prior art, the front longitudinal beam of the engine room transmits the collision force to the rear part of the engine room and transmits the collision force to the rear part of the vehicle body, and the force transmission part is insufficient due to insufficient section force of the force transmission part of the front longitudinal beam of the vehicle engine room, so that the passenger room deforms under the impact of the collision force, and the injury to personnel in the passenger room is increased. Therefore, in this embodiment, the cavity cross section of the force transmission cavity 30 is increased at the first force transmission part 21 and the second force transmission part 22, and the cross-sectional force of the second part 20 is increased, so that the rear section of the front side member structure 100 can effectively transmit the collision force, and the collision force can be more sufficiently transmitted to the rear part of the nacelle.
In this embodiment, the first section 10 includes an inner panel 12 and an outer panel 11 connected to each other, and one end of the inner panel 12 near the vehicle front is provided with at least one first crush bead 121, the first crush bead 121 being arranged in the width direction of the inner panel 12. When a vehicle collides, the collision force is collapsed at the first crush ribs 121 of the front longitudinal beam structure 100, so that a part of collision energy is fully absorbed, and the front longitudinal beam structure 100 can fully absorb energy and collapse by selecting the size of the first crush ribs 121 and reasonably arranging the positions of the first crush ribs 121. In this embodiment, the number of the first crush beads 121 is plural, and the plural first crush beads 121 are arranged at intervals.
In a preferred embodiment, at least one induction groove 122 is provided at one end of the inner panel 12 near the second portion 20, the induction groove 122 being arranged in the width direction of the inner panel 12. According to the embodiment, through the design of the induction groove 122, energy can be absorbed and bent at the induction groove 122 when the vehicle is in head-on collision, collision energy can be further absorbed, so that the front longitudinal beam structure 100 is bent, secondary energy is absorbed, and the size of the induction groove 122 is selected to enable the front longitudinal beam structure 100 to be fully bent in an energy-absorbing manner. In this embodiment, the number of the induction grooves 122 is one.
In this embodiment, the cross-section of the induction slot 122 is arc-shaped. The width of the induction groove 122 is any value in the range of 54mm to 58mm, and may be 54mm, 56mm or 58mm, for example. In a preferred embodiment, the width of the induction slot 122 is 56mm. The depth of the induction groove 122 may be any value ranging from 4mm to 6mm, and may be 4mm, 5mm, or 6mm, for example. In a preferred embodiment, the induction channel 122 has a maximum depth of 5mm.
According to the embodiment, the energy absorption area and the force transmission area of the front longitudinal beam structure 100 are reasonably arranged, the plurality of first crushing ribs 121 inducing collapse are additionally arranged in the energy absorption area, the width of each first crushing rib 121 is 35mm, the depth of each first crushing rib 121 is 4.5mm, and the distance between every two first crushing ribs 121 is 70mm, so that the front longitudinal beam structure 100 can absorb energy fully. In addition, in the embodiment, the induction groove 122 is additionally arranged at the middle position of the front longitudinal beam structure 100, the width of the induction groove 122 is 56mm, the depth of the induction groove 122 is 5mm, the arc penetrates through the side face of the front longitudinal beam and is arranged at a middle mounting point close to the auxiliary frame, the middle part of the front longitudinal beam structure 100 is enabled to absorb energy and bend at the induction groove 122, and then a part of collision energy is absorbed, so that the invasion to the passenger compartment is reduced, and the injury to drivers and passengers is reduced.
In this embodiment, at least one second crush bead 111 is provided at one end of the outer panel 11 near the front of the vehicle, and at least one third crush bead 112 is provided at the side of the second portion 20 connected to the outer panel 11, so that the collision energy can be further absorbed when the vehicle collides.
This embodiment also provides a vehicle mounted with the front side member structure 100 described above. The front longitudinal beam structure 100 is not described in detail herein.
In the embodiment, the energy absorption area and the force transmission area are reasonably arranged, and the forms of the front longitudinal beam structure 100, the cavity and the like are optimized, so that the front longitudinal beam structure 100 of the vehicle cabin absorbs collision energy, the collision energy absorption and collision force transmission capacity of the front longitudinal beam structure 100 is improved, and the collision force transmission capacity is maximized. The front longitudinal beam structure 100 provided by the embodiment can effectively and fully absorb energy in an energy absorption area and a bending area through selection of the size of the crushing rib and reasonable arrangement of the position of the crushing rib, fully transmit force in a force transmission area, reduce invasion to a passenger compartment, and reduce injury to drivers and passengers. Meanwhile, on the premise of not increasing parts, the collision force is effectively transmitted to the rear area of the vehicle in two paths.
In other embodiments, there are various energy-absorbing collision types for the front side member structure 100, and the front side member region may be weakened by adding a component so that the weakened region is subjected to energy-absorbing bending. In the embodiment, the energy absorption purpose is realized by reasonably arranging the positions of the crushing ribs and the sizes of the crushing ribs, and the rear section of the front longitudinal beam structure 100 is made into two cavities for transmitting collision force. In other schemes, the transmission path of the collision force can be increased by adding parts, and relatively speaking, the embodiment can effectively reduce the number of parts and welding spots, and reduce the development cost.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. A front side member structure of a vehicle cabin, characterized in that a vehicle includes a door, the front side member structure being located forward of the door and closer to an interior of the vehicle than the door;
the front longitudinal beam structure comprises a first part and a second part, the first part extends along the longitudinal direction of the vehicle, the second part extends from one end, close to the vehicle door, of the first part to the direction of the vehicle door so as to form a first preset included angle with the first part, and the front longitudinal beam structure is arranged to be bent at the connecting position of the first part and the second part after being subjected to external impact force in an energy-absorbing mode.
2. The front side member structure according to claim 1, wherein the second portion includes:
a first power transmission unit having one end connected to an A-pillar of the vehicle;
and the second force transmission part is in a second preset included angle with the first force transmission part, and one end of the second force transmission part is connected with a front floor edge beam of the vehicle.
3. The front rail structure according to claim 2, wherein the second predetermined included angle is an acute angle.
4. The front side member structure according to claim 2,
the first portion, the first force transfer portion and the second force transfer portion each define a force transfer cavity.
5. The front side member structure according to any one of claims 1 to 4, wherein the first portion includes an inner panel and an outer panel that are connected to each other, and at least one first crush bead is provided at an end of the inner panel near a vehicle front, the first crush bead being arranged in a width direction of the inner panel.
6. The front side member structure according to claim 5,
at least one induction groove is arranged at one end of the inner plate close to the second part and is arranged along the width direction of the inner plate.
7. The front side member structure according to claim 6,
the cross section of the induction groove is arc-shaped.
8. The front side member structure according to claim 5,
the planking is close to the one end department in vehicle the place ahead and is equipped with at least one second rib of crushing, the second part with one side that the planking is connected is equipped with at least one third rib of crushing.
9. The front side member structure according to claim 7,
the width of the induction groove is any value within the range of 54 mm-58 mm;
the depth of the induction groove is any value within the range of 4 mm-6 mm.
10. A vehicle equipped with a front side member structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222596633.6U CN218055377U (en) | 2022-09-29 | 2022-09-29 | Front longitudinal beam structure of vehicle cabin and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222596633.6U CN218055377U (en) | 2022-09-29 | 2022-09-29 | Front longitudinal beam structure of vehicle cabin and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218055377U true CN218055377U (en) | 2022-12-16 |
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ID=84410771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222596633.6U Active CN218055377U (en) | 2022-09-29 | 2022-09-29 | Front longitudinal beam structure of vehicle cabin and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218055377U (en) |
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2022
- 2022-09-29 CN CN202222596633.6U patent/CN218055377U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230830 Address after: 310051 No. 1760, Jiangling Road, Hangzhou, Zhejiang, Binjiang District Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Patentee after: Chongqing Ruilan Automobile Research Institute Co.,Ltd. Address before: No. 3366, Weiwu Road, dajiangdong industrial agglomeration zone, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG JIZHI NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. |