CN217864004U - Anticollision roof beam and vehicle that has it - Google Patents
Anticollision roof beam and vehicle that has it Download PDFInfo
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- CN217864004U CN217864004U CN202222484093.2U CN202222484093U CN217864004U CN 217864004 U CN217864004 U CN 217864004U CN 202222484093 U CN202222484093 U CN 202222484093U CN 217864004 U CN217864004 U CN 217864004U
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- rear plate
- impact beam
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Abstract
The utility model provides an anticollision roof beam and vehicle that has it, anticollision roof beam includes: the front plate and the rear plate are respectively formed into strip-shaped ultrahigh-strength steel plates extending along the width direction of the vehicle body, and the upper end and the lower end of the front plate and the upper end and the lower end of the rear plate are respectively connected to limit a cavity extending along the width direction of the vehicle body; the two energy absorption boxes are respectively arranged along the length direction of the rear plate at intervals, and one ends of the two energy absorption boxes are respectively connected with the rear plate; and the two connecting pieces are respectively connected with the other ends of the corresponding energy absorption boxes. According to the utility model discloses anticollision roof beam connects into confined shaft-like structure through the front bezel and the back plate of ultrahigh strength steel, can alleviate whole weight, reduce cost under the prerequisite that satisfies whole collision demand.
Description
Technical Field
The utility model relates to the technical field of vehicles, concretely relates to anticollision roof beam and vehicle that has it.
Background
The anti-collision beam for the vehicle is a device for reducing the impact energy absorbed when the vehicle is collided and generally comprises a main beam, an energy absorption box and a mounting plate connected with the vehicle, wherein the main beam and the energy absorption box can effectively absorb the impact energy when the vehicle is collided, so that the damage of the impact force to the longitudinal beam of the vehicle body is reduced as much as possible, and other parts of the vehicle are protected.
The anticollision roof beam of city SUV motorcycle type generally adopts monolithic stamping forming anticollision roof beam or B type enclosed construction anticollision roof beam, adopts these two kinds of anticollision roof beam structures can satisfy collision experiment demand basically. However, for cross-country vehicle types with large mass, the impact beam and the B-shaped impact beam which are formed by stamping cannot absorb more vehicle impact energy in use, and cannot meet the impact requirements.
The cross-country vehicle anti-collision beam in the prior art is made of aluminum alloy or steel plate, the aluminum alloy can be extrusion-molded aluminum, different energy absorption requirements are met by adjusting the shape of the cross section and the thickness of the material, the common cross section is in a shape like a Chinese character 'ri', and the thickness is 2.0 mm-4.0 mm; the steel plate is generally formed by punching a 500 MPa-grade material, has the thickness of 2.0-3.0 mm, and meets the vehicle collision requirement through different shapes and material designs. Although the aluminum alloy quality is lighter, aluminum alloy anticollision roof beam material cost is higher, is unfavorable for cost control, and steel sheet anticollision roof beam cost is lower, but the part quality is heavier, is unfavorable for whole car lightweight.
Therefore, how to design an anti-collision beam which has light weight, low cost and simple process and is suitable for off-road vehicles becomes a difficult problem which is urgently needed to overcome at present.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a technical problem that solve is that cross country vehicle anticollision roof beam exists defect such as the quality is heavy, with high costs, intensity is low, technology complicacy.
In view of this, the utility model provides an anticollision roof beam.
The utility model also provides a vehicle of having above-mentioned anticollision roof beam.
In order to solve the technical problem, the utility model discloses a following technical scheme:
according to the utility model discloses anticollision roof beam of first aspect embodiment includes:
the front plate and the rear plate are respectively formed into strip-shaped ultrahigh-strength steel plates extending along the width direction of the vehicle body, and the upper end and the lower end of the front plate and the upper end and the lower end of the rear plate are respectively connected to limit a cavity extending along the width direction of the vehicle body;
the two energy absorption boxes are respectively arranged along the length direction of the rear plate at intervals, and one ends of the two energy absorption boxes are respectively connected with the rear plate;
and the two connecting pieces are respectively connected with the other ends of the corresponding energy absorption boxes.
Further, the strength of the front plate and the rear plate is 1000Mpa, and the thickness of the front plate and the rear plate is 1.0 mm-2.0 mm.
Further, the front plate and the rear plate are respectively formed by rolling and are connected by welding.
Furthermore, the middle part of the front plate along the width direction of the front plate is sunken into a first strip-shaped sunken part towards one side of the rear plate.
Furthermore, the rear plate corresponds to the first concave part and is provided with a second elongated concave part which is concave towards one side of the front plate at the position close to the upper end and the lower end.
Further, the crash box includes: the energy absorbing plate comprises two energy absorbing plates, wherein the two energy absorbing plates are oppositely arranged, and the upper end and the lower end of each energy absorbing plate extend towards opposite directions and are connected.
Furthermore, a plurality of grooves which extend along the vertical direction of the energy absorption plate and are arranged at intervals along the front-rear direction of the vehicle are arranged on the energy absorption plate.
Furthermore, a plurality of connecting holes are formed in the connecting piece.
According to the utility model discloses vehicle of second aspect embodiment includes the anticollision roof beam of above-mentioned embodiment.
The above technical scheme of the utility model following technological effect has at least:
according to the utility model discloses anticollision roof beam connects into confined shaft-like structure through the front bezel and the back plate of ultrahigh strength steel, can alleviate whole weight, reduce cost under the prerequisite that satisfies whole collision demand.
Drawings
Fig. 1 is a schematic structural view of an impact beam according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of an impact beam front and rear panel along a vertical square in accordance with an embodiment of the present invention;
fig. 3 is a cross-sectional view of an energy-absorbing box and a connector of an impact beam according to an embodiment of the present invention, taken along a horizontal cross-section.
Reference numerals
An impact beam 100; a front plate 10; a first recess 11; a rear plate 20; a second recessed portion 21; a crash box 30; a connecting member 40.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention will be combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are some, not all embodiments of the invention. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
The following first describes the impact beam 100 according to an embodiment of the present invention in detail with reference to the drawings.
The impact beam 100 according to the embodiment of the present invention includes a front plate 10 and a rear plate 20, two crash boxes 30, and two connectors 40.
Specifically, as shown in fig. 1 and 2, the front plate 10 and the rear plate 20 are respectively formed as an elongated ultra-high strength steel plate extending in the vehicle width direction, the upper and lower ends of the front plate 10 and the rear plate 20 are respectively connected to define a cavity extending in the vehicle width direction, the two crash boxes 30 are respectively disposed in the length direction of the rear plate 20 at intervals, one end of each crash box is respectively connected to the rear plate 20, and the two connectors 40 are respectively connected to the other ends of the corresponding crash boxes 30.
That is, the front plate 10 and the rear plate 20 are ultra-high strength steels such as SiMnMoV, siMnCrMoV, etc., respectively, and have tensile strengths of 170 to 190kgf/mm 2 The fracture toughness can reach 250-280 kgf/mm. The ultra-high strength steel can reduce the thickness of the front plate 10 and the rear plate 20 under the condition of ensuring the rigidity and the strength, reduce the overall weight, further reduce the cost and be convenient for application on the off-road vehicle. In addition, the upper end and the lower end of the front plate 10 and the lower end of the rear plate 20 are connected to form a closed rod-shaped structure, the cross section of the closed rod-shaped structure is similar to a square, and therefore material application can be reduced, and overall strength can be further improved. Under the high-speed collision working condition, the energy absorption box 30 welded on the rear plate 20 can absorb energy, and the requirements of collision, collapse and energy absorption are met.
From this, according to the utility model discloses anticollision roof beam 100 connects into confined shaft-like structure through the front bezel 10 and the back plate 20 of ultrahigh strength steel, can alleviate whole weight, reduce cost under the prerequisite that satisfies whole collision demand.
Further, the front plate 10 and the rear plate 20 have a strength of 1000MPa and a thickness of 1.0mm to 2.0mm. The front plate 10 and the rear plate 20 with the strength can meet the requirement of collision strength, and compared with the common punching steel plate material with the thickness of 2.0-3.0 mm and the strength of 500MPa, the punching steel plate material has the advantages of obvious light weight effect and obvious cost reduction.
Preferably, the front plate 10 and the rear plate 20 are respectively formed by rolling and are connected by welding, the front plate 10 and the rear plate 20 formed by rolling have high strength and hardness, and the front plate 10 and the rear plate 20 are connected by welding, so that the front plate is easy to process and has a stable structure.
According to an embodiment of the present invention, the front plate 10 is recessed with an elongated first recessed portion 11 along a middle portion in a width direction thereof to a side where the rear plate 20 is located.
Further, the rear plate 20 is provided with a second elongated recess 21 corresponding to the first recess 11 and located near the upper and lower ends thereof, respectively, and recessed toward the side of the front plate 10.
That is, as shown in fig. 2, the first transverse recess 11 formed in the front plate 10 and the second transverse recess 21 formed in the rear plate 20 function as reinforcing ribs which are simple in structure and easy to manufacture, but which are capable of resisting impact and transmitting the received impact force to both sides, thereby reducing direct damage to the vehicle body due to impact.
In an embodiment of the present invention, as shown in fig. 1 and 3, the energy-absorbing box 30 includes two energy-absorbing plates, the two energy-absorbing plates are disposed opposite to each other along a vertical direction, and upper and lower ends of the energy-absorbing plates extend and are connected to each other toward opposite directions.
Specifically, the energy absorption plate is formed by welding common stamped steel plates, the energy absorption box 30 is formed by welding the energy absorption plate, the low-speed collision collapse energy absorption requirement can be met, the energy absorption box 30 is respectively connected with the rear plate 20 and the connecting piece 40 in a welding mode, and the production process is simple.
Optionally, the energy absorption plate is provided with a plurality of grooves which extend in the vertical direction of the energy absorption plate and are arranged at intervals in the front-rear direction of the vehicle, and the grooves can play a role in reinforcing ribs and energy absorption and buffering.
Preferably, a plurality of connecting holes are formed in the connecting member 40, and the connecting member 40 can be bolted to a vehicle body to facilitate disassembly.
All in all, according to the utility model discloses anticollision roof beam 100 connects into confined shaft-like structure through the front bezel 10 and the back plate 20 of ultrahigh strength steel, can alleviate whole weight, reduce cost under the prerequisite that satisfies whole collision demand.
According to the utility model discloses the vehicle of second aspect embodiment includes the anticollision roof beam 100 according to above-mentioned embodiment, because according to the utility model discloses the anticollision roof beam 100 of above-mentioned embodiment has above-mentioned technological effect, consequently, according to the utility model discloses the vehicle also has corresponding technological effect, can alleviate whole weight, reduce cost under the prerequisite that satisfies whole collision demand promptly.
Other structures and operations of the vehicle according to the embodiments of the present invention will be understood and readily implemented by those skilled in the art, and thus will not be described in detail.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. An impact beam, comprising:
the front plate and the rear plate are respectively formed into strip-shaped ultrahigh-strength steel plates extending along the width direction of the vehicle body, and the upper end and the lower end of the front plate and the upper end and the lower end of the rear plate are respectively connected to limit a cavity extending along the width direction of the vehicle body;
the two energy absorption boxes are respectively arranged along the length direction of the rear plate at intervals, and one ends of the two energy absorption boxes are respectively connected with the rear plate;
and the two connecting pieces are respectively connected with the other ends of the corresponding energy absorption boxes.
2. The impact beam of claim 1, wherein the front and rear panels each have a strength of 1000Mpa and a thickness of 1.0mm to 2.0mm.
3. The impact beam of claim 1, wherein the front panel and the rear panel are each roll formed and welded together.
4. The impact beam of claim 1, wherein the front plate is recessed with an elongated first recessed portion toward a side where the rear plate is located along a middle portion in a width direction thereof.
5. The impact beam of claim 4, wherein the rear plate is provided with elongated second recesses, which are recessed toward the front plate, at positions corresponding to the first recesses and adjacent to the upper and lower ends of the rear plate.
6. The impact beam of claim 1, wherein the energy absorber box comprises:
the two energy-absorbing plates are oppositely arranged, and the upper end and the lower end of each energy-absorbing plate extend towards opposite directions and are connected with each other.
7. An impact beam as claimed in claim 1, wherein said energy absorbing panel is provided with a plurality of grooves extending in a vertical direction thereof and spaced apart in a fore-and-aft direction of the vehicle.
8. The impact beam of claim 1, wherein the attachment member is provided with a plurality of attachment holes.
9. A vehicle, characterized in that it comprises an impact beam as claimed in any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222484093.2U CN217864004U (en) | 2022-09-20 | 2022-09-20 | Anticollision roof beam and vehicle that has it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222484093.2U CN217864004U (en) | 2022-09-20 | 2022-09-20 | Anticollision roof beam and vehicle that has it |
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| Publication Number | Publication Date |
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| CN217864004U true CN217864004U (en) | 2022-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222484093.2U Active CN217864004U (en) | 2022-09-20 | 2022-09-20 | Anticollision roof beam and vehicle that has it |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116713758A (en) * | 2023-08-10 | 2023-09-08 | 浙江首承新能源科技有限公司 | Production line and method for manufacturing anti-collision beam |
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2022
- 2022-09-20 CN CN202222484093.2U patent/CN217864004U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116713758A (en) * | 2023-08-10 | 2023-09-08 | 浙江首承新能源科技有限公司 | Production line and method for manufacturing anti-collision beam |
| CN116713758B (en) * | 2023-08-10 | 2023-10-13 | 浙江首承新能源科技有限公司 | Production line and method for manufacturing anti-collision beam |
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