CN213167960U - Preceding guarantor crossbeam and vehicle - Google Patents
Preceding guarantor crossbeam and vehicle Download PDFInfo
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- CN213167960U CN213167960U CN202021520953.8U CN202021520953U CN213167960U CN 213167960 U CN213167960 U CN 213167960U CN 202021520953 U CN202021520953 U CN 202021520953U CN 213167960 U CN213167960 U CN 213167960U
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- 238000010521 absorption reaction Methods 0.000 claims abstract description 22
- 230000001681 protective effect Effects 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000004350 Strabismus Diseases 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004260 weight control Methods 0.000 description 1
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Abstract
The utility model discloses a preceding beam and vehicle of protecting belongs to vehicle technical field. The vehicle includes the front fender crossbeam, the front fender crossbeam includes front fender crossbeam body and two energy-absorbing boxes, wherein, two energy-absorbing boxes set up in the both ends of front fender crossbeam body homonymy, the energy-absorbing box includes upper plate and hypoplastron, the hypoplastron is parallel with the horizontal plane, the upper plate is followed the horizontal plane and is protected crossbeam body junction upwards to slope in the direction of keeping away from the front fender crossbeam body from the upper plate with the front, intersect on the interface of energy-absorbing box and front longitudinal beam with the axis of the front longitudinal beam of assurance energy-absorbing box. The front protective beam and the vehicle can effectively transfer collision energy, so that the energy absorption box and the front longitudinal beam are fully deformed, and the collision energy is effectively absorbed.
Description
Technical Field
The utility model relates to the technical field of vehicles, especially, relate to a preceding beam and vehicle of protecting.
Background
The front protection beam is used for absorbing collision energy generated when a vehicle is collided, the front protection beam consists of a front protection beam body, an energy absorption box and a front protection beam end plate, and the front protection beam body and the energy absorption box can effectively absorb the collision energy when the vehicle is collided at a low speed, so that the damage of the impact force to a vehicle body longitudinal beam is reduced, the protective effect of the front protection beam on the vehicle is realized, and the vehicle is prevented from being repaired by more cost.
In the traditional vehicle, part of the vehicle is positioned at an interface of the energy absorption box and the front longitudinal beam, and the central axis of the front longitudinal beam is positioned above the central axis of the energy absorption box, so that the energy absorption box and the front longitudinal beam can generate a large moment in the force transmission process in the collision process of the vehicle, the collision energy cannot be effectively transmitted, the energy absorption box and the front longitudinal beam are not deformed fully, and the collision effect is influenced.
Therefore, there is a need for a front fender beam and a vehicle capable of effectively transferring energy to solve the above technical problems in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a preceding crossbeam and vehicle of guarantying, this preceding crossbeam and vehicle of guarantying can effectively transmit collision energy for energy-absorbing box and front longitudinal are fully out of shape, effective absorption collision energy.
To achieve the purpose, the utility model adopts the following technical proposal:
a front fender beam comprising:
a front bumper beam body;
the energy-absorbing boxes are arranged at two ends of the same side of the front protective beam body and comprise an upper plate and a lower plate, the lower plate is parallel to the horizontal plane, the upper plate is upwards inclined along the horizontal plane from the joint of the upper plate and the front protective beam body to the direction far away from the front protective beam body so as to ensure that the central axis of the energy-absorbing box and the central axis of the front longitudinal beam of the vehicle are intersected on the interface of the energy-absorbing box and the front longitudinal beam.
As a preferred technical scheme of the front protective beam, the included angle between the upper plate and the horizontal plane is 3-10 degrees.
As a preferred technical scheme of the front protection beam, the front protection beam body is manufactured by adopting a roll forming method.
As a preferred technical scheme of the front protection beam, the energy absorption box further comprises a first side plate and a second side plate which are connected between the upper plate and the lower plate, and the first side plate and the second side plate are arranged oppositely along a vertical plane where a central axis of the energy absorption box is located.
As a preferred technical scheme of the front protection beam, the energy absorption box is provided with a crumpling rib, and the crumpling rib is used for guiding the energy absorption box to be sequentially crushed from the connection position of the energy absorption box and the front protection beam body to the direction far away from the front protection beam body.
As a preferred technical scheme of the front protective beam, the crumple rib comprises a transverse crumple rib and a vertical crumple rib, the transverse crumple rib is arranged on the upper plate and/or the lower plate, and the vertical crumple rib is arranged on the first side plate and/or the second side plate.
As a preferred technical scheme of the front protective beam, the transverse collapse ribs and the vertical collapse ribs are of groove structures.
As a preferred technical scheme of the front protective beam, the width of each of the transverse collapse ribs and the vertical collapse ribs is 10-20 mm, and the depth of each of the transverse collapse ribs and the vertical collapse ribs is 3-8 mm.
As a preferable technical scheme of the front bumper beam, the length of the energy absorption box along the central axis direction is 120-250 mm.
In order to achieve the above object, the present invention also provides a vehicle, including the front bumper beam as described above.
The utility model provides a crossbeam and vehicle are protected to preceding fender, the vehicle is including preceding fender crossbeam, preceding fender crossbeam includes preceding fender crossbeam body and two energy-absorbing boxes, the energy-absorbing box includes upper plate and hypoplastron, the hypoplastron is parallel with the horizontal plane, the upper plate is followed the horizontal plane and is protected crossbeam body junction upwards to the direction of keeping away from preceding fender crossbeam body from the upper plate, thereby make the axis of energy-absorbing box upwards squint, make the axis of energy-absorbing box and the axis of the front longitudinal beam of vehicle intersect on the interface of energy-absorbing box and front longitudinal beam, the size that energy-absorbing box and front longitudinal beam produced moment in power transmission process has effectively been reduced, make preceding fender crossbeam and vehicle can effectively transmit collision energy, thereby energy-absorbing box and front longitudinal beam can fully be out of shape, effectively absorb collision energy.
Drawings
Fig. 1 is a schematic structural view of a front bumper beam according to an embodiment of the present invention;
fig. 2 is a front view of a front bumper beam according to an embodiment of the present invention.
Reference numerals:
1. a front bumper beam body; 2. an energy absorption box; 21. an upper plate; 22. a lower plate; 23. a first side plate; 24. a second side plate; 3. collapsing ribs; 31. a transverse collapse rib; 32. and (5) a vertical collapsing rib.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The present embodiment provides a vehicle including a front fender beam.
As shown in fig. 1 and fig. 2, the front protection beam comprises a front protection beam body 1 and two energy-absorbing boxes 2, wherein the two energy-absorbing boxes 2 are arranged at two ends of the same side of the front protection beam body 1, each energy-absorbing box 2 comprises an upper plate 21 and a lower plate 22, the lower plates 22 are parallel to a horizontal plane, the upper plates 21 are inclined upwards along the horizontal plane from the connection part of the upper plates 21 and the front protection beam body 1 to the direction far away from the front protection beam body 1 so as to ensure that the central axis of the energy-absorbing boxes 2 is intersected with the central axis of the front longitudinal beam of the vehicle on the interface of the energy-absorbing boxes 2 and.
As shown in fig. 2, the upper plate 21 of the energy-absorbing box 2 is inclined upward along a horizontal plane from the joint of the upper plate 21 and the front bumper beam body 1 to a direction far away from the front bumper beam body 1, so that the central axis of the energy-absorbing box 2 is offset upward, the central axis of the energy-absorbing box 2 and the central axis of the front longitudinal beam of the vehicle are intersected on the interface of the energy-absorbing box 2 and the front longitudinal beam, the magnitude of moment generated by the energy-absorbing box 2 and the front longitudinal beam in the force transmission process is effectively reduced, the front bumper beam and the vehicle can effectively transmit collision energy, the energy-absorbing box 2 and the front longitudinal beam can be fully deformed, the collision energy is effectively absorbed, the vehicle is protected, and the vehicle is prevented from being repaired at high cost; and after the upper plate 21 upwards inclines, the longitudinal section of the energy-absorbing box 2 can be gradually increased from the joint of the upper plate 21 and the front protection beam body 1 to the direction far away from the front protection beam body 1, the collision strength born by the energy-absorbing box 2 can be gradually increased from the joint of the upper plate 21 and the front protection beam body 1 to the direction far away from the front protection beam body 1, and the deformation mode and the sequence of the energy-absorbing box 2 which is gradually crushed from the joint of the upper plate 21 and the front protection beam body 1 to the direction far away from the front protection beam body 1 are ensured.
Optionally, according to different vehicle models and different vehicle structures, the included angle between the upper plate 21 and the horizontal plane is 3-10 degrees, and the included angle is mainly selected to enable the central axis of the energy absorption box 2 and the central axis of the front longitudinal beam of the vehicle to intersect on the interface between the energy absorption box 2 and the front longitudinal beam. Preferably, in the present embodiment, the upper plate 21 is at an angle of 5 ° to the horizontal.
Optionally, the length of the crash box 2 along the central axis thereof is 120mm to 250mm, and the length of the crash box 2 is to ensure that the crash box can fully absorb the collision energy in the vehicle collision process, so as to avoid the occurrence of the situation that the crash box 2 cannot fully absorb the collision energy, so as to cause damage to other structures of the vehicle. Preferably, in this embodiment, the length of the crash box 2 in the direction of its central axis is 150 mm.
The existing production and manufacturing method of the front protection beam can be divided into methods such as stamping, extruding and the like based on the using process, the production and manufacturing method of the front protection beam can be divided into methods such as aluminum alloy, high-strength steel, hot forming and the like based on the using materials, different process levels and materials have great influence on the performance, cost, weight and process control of the front protection beam, and currently, most vehicles use stamping parts to manufacture the front protection beam from the cost perspective, and the machining difficulty of the front protection beam is great due to reasons such as modeling limitation and the like. Preferably, in the present embodiment, the front bumper beam body 1 is manufactured by a roll forming method. The roll forming method has two advantages: the roll forming material has high utilization rate, the product is produced continuously, the rebound quantity of the part is small, the precision is higher than that of a punch forming method, the roll forming part can be made into a closed annular part through online welding, if the annular part is formed by punching, two parts are needed, and separate welding equipment is needed; the rolling production line is a continuous production line, and the movement of all the rollers is automatic, so that the rolling production line is more convenient, the labor force is saved, and the die is not required to be replaced like a stamping die.
As shown in FIG. 1, the crash box 2 further includes a first side plate 23 and a second side plate 24 coupled between the upper plate 21 and the lower plate 22, the first side plate 23 and the second side plate 24 being disposed opposite each other along a vertical plane in which the central axis of the crash box 2 is located.
Optionally, as shown in fig. 1 and fig. 2, a crumple rib 3 is arranged on the energy-absorbing box 2, and the crumple rib 3 is used for guiding the energy-absorbing box 2 to be sequentially crushed from the connection position of the energy-absorbing box 2 and the front protective beam body 1 to a direction away from the front protective beam body 1, so as to adjust the deformation mode and the sequence of the energy-absorbing box 2. Specifically, the crush ribs 3 include a horizontal crush rib 31 and a vertical crush rib 32, the horizontal crush rib 31 is provided on the upper plate 21 and/or the lower plate 22, and the vertical crush rib 32 is provided on the first side plate 23 and/or the second side plate 24. Preferably, the transverse crush ribs 31 and the vertical crush ribs 32 are of a channel structure. Optionally, the width of each of the transverse collapse ribs 31 and the vertical collapse ribs 32 is 10mm to 20mm, and the depth thereof is 3mm to 8 mm. Preferably, in this embodiment, two transverse collapse ribs 31 are uniformly arranged on both the upper plate 21 and the lower plate 22, and the transverse collapse ribs 31 arranged on the upper plate 21 and the transverse collapse ribs 31 arranged on the lower plate 22 are arranged oppositely along the vertical direction, so as to ensure that the crushing sequence of the upper plate 21 and the crushing sequence of the lower plate 22 are the same; the first side plate 23 is provided with a vertical collapse rib 32, and the width of the horizontal collapse rib 31 and the width of the vertical collapse rib 32 are both 15mm, and the depth thereof is 5 mm. The deformation condition of the energy-absorbing box 2 in the collision process can be adjusted by the arrangement of the collapse ribs 3, so that the energy-absorbing box 2 can be fully crushed, and an accordion-type crushing mode can be realized, and the energy transmitted by collision can be better absorbed.
Preferably, in the present embodiment, in order to match with automobile modeling and pedestrian protection, both sides of the front bumper beam body 1 are flattened by 10mm, and the curvature radius of the front bumper beam body 1 is 1900 mm. It should be noted that the car model refers to the overall appearance and exterior design of the car, and herein refers to the outer surface of the front bumper, and the squashed size is combined with the inner structure design of the front bumper, and the gap between the squashed size and the inner structure of the front bumper is generally 10 mm.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (10)
1. A front bumper beam, comprising:
a front protection beam body (1);
two energy-absorbing boxes (2), two energy-absorbing boxes (2) set up in the both ends of guaranteeing crossbeam body (1) homonymy before, energy-absorbing box (2) are including upper plate (21) and hypoplastron (22), hypoplastron (22) are parallel with the horizontal plane, upper plate (21) follow the horizontal plane certainly upper plate (21) with guarantee crossbeam body (1) junction in the front and keep away from before guarantee in the direction of crossbeam body (1) upwards slope in order to guarantee the axis of energy-absorbing box (2) and the axis of the front longitudinal beam of vehicle in energy-absorbing box (2) with intersect on the interface of front longitudinal beam.
2. Front fender beam according to claim 1, characterized in that the angle between the upper plate (21) and the horizontal plane is 3 ° to 10 °.
3. Front fender beam according to claim 1, characterized in that the front fender beam body (1) is formed by roll forming.
4. The front fender beam according to claim 1, wherein the energy absorption box (2) further comprises a first side plate (23) and a second side plate (24) connected between the upper plate (21) and the lower plate (22), and the first side plate (23) and the second side plate (24) are arranged opposite to each other along a vertical plane in which a central axis of the energy absorption box (2) is located.
5. The front bumper beam according to claim 4, wherein the energy absorption boxes (2) are provided with collapse ribs (3), and the collapse ribs (3) are used for guiding the energy absorption boxes (2) to be sequentially crushed from the connection positions of the energy absorption boxes (2) and the front bumper beam body (1) to the direction far away from the front bumper beam body (1).
6. The front bumper beam according to claim 5, wherein the crush ribs (3) include a lateral crush rib (31) and a vertical crush rib (32), the lateral crush rib (31) being provided on the upper plate (21) and/or the lower plate (22), the vertical crush rib (32) being provided on the first side plate (23) and/or the second side plate (24).
7. The front bumper beam according to claim 6, characterized in that the transverse crush ribs (31) and the vertical crush ribs (32) are of a channel structure.
8. The front bumper beam according to claim 7, wherein the width of each of the transverse crush ribs (31) and the vertical crush ribs (32) is 10mm to 20mm, and the depth thereof is 3mm to 8 mm.
9. Front fender beam according to claim 1, characterized in that the length of the crash box (2) in the direction of its central axis is between 120mm and 250 mm.
10. A vehicle characterized by comprising a front fender beam according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021520953.8U CN213167960U (en) | 2020-07-28 | 2020-07-28 | Preceding guarantor crossbeam and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021520953.8U CN213167960U (en) | 2020-07-28 | 2020-07-28 | Preceding guarantor crossbeam and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213167960U true CN213167960U (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021520953.8U Expired - Fee Related CN213167960U (en) | 2020-07-28 | 2020-07-28 | Preceding guarantor crossbeam and vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN213167960U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115195652A (en) * | 2022-07-29 | 2022-10-18 | 重庆长安汽车股份有限公司 | Automobile front collision beam assembly and machining process thereof |
-
2020
- 2020-07-28 CN CN202021520953.8U patent/CN213167960U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115195652A (en) * | 2022-07-29 | 2022-10-18 | 重庆长安汽车股份有限公司 | Automobile front collision beam assembly and machining process thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210511 |