CN218112558U - Anticollision crossbeam, anticollision roof beam assembly and vehicle - Google Patents

Abstract

The utility model discloses an anticollision crossbeam, anticollision roof beam assembly and vehicle, the anticollision crossbeam extends and includes along controlling the direction: the front plate portion, the connecting plate portion and the rear plate portion. The front plate part is vertically arranged; the two connecting plate parts extend along the front-back direction and are arranged at intervals up and down, and the front ends of the two connecting plate parts are connected with the rear side surface of the front plate part; the vertical setting of back board, the upper and lower both ends of back board link to each other with the rear end of two connection board respectively, and on the upper and lower direction, the back board is by preceding bellied plate body shape in back. According to the utility model discloses anticollision crossbeam prescribes a limit to the cavity between front plate, two connection plate and the back plate, and the cross-section of cavity is a mouthful font, for the anticollision crossbeam in day font or mesh font cross-section, can weight reduction to, the back plate is protruding to the back by preceding for the ability that the back plate resisted tensile stress is stronger, can improve anticollision crossbeam's anti bending ability and crashproof performance when weight reduction.

Description

Anticollision crossbeam, anticollision roof beam assembly and vehicle

Technical Field

The utility model belongs to the technical field of the vehicle technique and specifically relates to an anticollision crossbeam, anticollision roof beam assembly and vehicle are related to.

Background

An impact beam is one of the most important safety protection devices for vehicles, and is a focus of light weight and impact safety. The anti-collision cross beam in the related art usually adopts a section structure in a shape like a Chinese character ri or a Chinese character mu, so that the anti-collision cross beam is large in weight, high in cost and excessive in performance, and therefore the anti-collision cross beam needs to be further lightened through structural optimization on the premise of ensuring the performance.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. For this reason, the utility model provides an anticollision crossbeam can inject the cavity between front plate, two connection plate and the back plate, and the cross-section of cavity is the square font, for the anticollision crossbeam in day font or mesh font cross-section, can weight reduction, and, the back plate is protruding to the back by preceding, makes when the anticollision crossbeam receives bending load, and the ability that the back plate resisted the tensile stress is stronger, can improve the anti bending ability of anticollision crossbeam when lightening weight, and improves the crashworthiness of anticollision crossbeam.

The utility model also provides an anticollision roof beam assembly of having above-mentioned anticollision crossbeam.

The utility model also provides a vehicle of having above-mentioned anticollision roof beam assembly.

According to the utility model discloses anticollision crossbeam of first aspect embodiment, anticollision crossbeam just includes along controlling the direction extension: a front plate portion vertically disposed; the connecting plate parts comprise two connecting plate parts, the two connecting plate parts extend along the front-back direction and are arranged at intervals up and down, and the front ends of the two connecting plate parts are connected with the rear side surface of the front plate part; the back board, the vertical setting of back board, the upper and lower both ends of back board respectively with two the rear end of connecting plate portion links to each other, and in the upper and lower direction, the back board is by the bellied plate body shape in preceding back.

According to the utility model discloses anticollision crossbeam can inject the cavity between front plate, two connection plate and the back plate, and the cross-section of cavity is a mouthful font, for the anticollision crossbeam in day font or mesh font cross-section, can weight reduction, and, the back plate is protruding to the back by preceding, makes when anticollision crossbeam receives bending load, and the ability that the back plate resisted tensile stress is stronger, can improve the anti-bending ability of anticollision crossbeam when weight reduction, and improves anticollision crossbeam's crashworthiness.

According to some embodiments of the invention, the back plate portion comprises: the two inclined sections comprise two inclined sections, one ends of the two inclined sections are respectively connected with the rear ends of the two connecting plate parts, and the other ends of the two inclined sections extend towards each other in the front-to-rear direction; the vertical section, vertical section vertical setting just connects two the slope section between the other end.

According to some optional embodiments of the present invention, an included angle between the inclined section and the vertical section is 135 ° -160 °; the thickness of the inclined section is 2.8mm-3.5mm, and the thickness of the vertical section is 3.5mm-4.5mm.

According to some embodiments of the invention, the thickness of the web portion is 2.5mm-3mm.

According to some embodiments of the invention, the front plate portion comprises: collision section and extension section, collision section vertical extension, the connecting plate portion with collision section links to each other, extension section vertical extension, the extension section is connected collision section is at least one side in the upper and lower direction, just the thickness of extension section is less than the thickness of collision section.

According to some optional embodiments of the utility model, the thickness of collision section is 3.5mm-4.5mm, the thickness of extension section is not less than 2.5mm.

According to some optional embodiments of the present invention, the extension section is formed with a weight reduction notch.

According to the utility model discloses a some embodiments, the connecting plate portion with the hookup location of back plate portion is equipped with the strengthening rib, the strengthening rib is located the connecting plate portion with the orientation of back plate portion one side of the inner chamber of anticollision crossbeam.

According to the utility model discloses anticollision roof beam assembly of second aspect embodiment includes: the anti-collision beam according to the embodiment of the first aspect of the present invention; the energy absorption boxes comprise two energy absorption boxes, and the two energy absorption boxes are respectively connected with the left end and the right end of the anti-collision beam.

According to the utility model discloses anticollision roof beam assembly, through setting up foretell anticollision crossbeam, the front plate, can inject the cavity between two connection plate portions and the back plate, the cross-section of cavity is a mouthful font, for the anticollision crossbeam in day font or mesh font cross-section, can weight reduction, and, the back plate is protruding to the back by preceding, make when the anticollision crossbeam receives bending load, the ability that the back plate resisted the tensile stress is stronger, can improve the anti bending ability of anticollision crossbeam in weight reduction, and improve the crashproof performance of anticollision crossbeam.

According to the utility model discloses vehicle of third aspect embodiment, a serial communication port, include according to the utility model discloses the anticollision roof beam assembly of above-mentioned second aspect embodiment.

According to the utility model discloses the vehicle, through setting up foretell crashproof roof beam assembly, the front plate of crashproof crossbeam, can inject the cavity between two connection plate portions and the back plate, the cross-section of cavity is a mouthful font, for the crashproof crossbeam in day font or mesh font cross-section, can weight reduction, and, the back plate is protruding to the back by preceding, make when crashproof crossbeam receives bending load, the ability that tensile stress is resisted to the back plate is stronger, can improve crashproof crossbeam's anti bending ability when weight reduction, and improve crashproof crossbeam's crashproof performance.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic structural view of an impact beam assembly according to an embodiment of the present invention;

FIG. 2 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a top view of the impact beam assembly of FIG. 1;

FIG. 4 is a structural schematic view of another angle of the impact beam assembly of FIG. 1;

FIG. 5 is a schematic structural view of the impact beam of FIG. 1;

fig. 6 is a cross-sectional view taken along line B-B of fig. 5.

Reference numerals are as follows:

100. an impact beam assembly;

10. an anti-collision beam; 1. a front plate portion; 11. a collision section; 12. an extension section; 121. an upper extension section; 122. a lower extension section; 123. a weight-reducing notch; 124. a via hole; 2. a connecting plate portion; 21. a first connecting plate; 22. a second connecting plate; 3. a rear plate portion; 31. an inclined section; 311. an upper inclined section; 312. a lower inclined section; 32. a vertical section; 33. reinforcing ribs; 331 a first reinforcing rib; 332. a second reinforcing rib; 4. a cavity;

20. an energy absorption box; 5. a first energy absorbing box; 6. a second crash box;

30. mounting a plate; 7. a first mounting plate; 8. a second mounting plate.

Detailed Description

Reference will now be made in detail to the 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 functions 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.

The following describes the impact beam 10 according to an embodiment of the present invention with reference to the drawings.

Referring to fig. 1-3 and 5-6, according to the utility model discloses an anticollision crossbeam 10 of first aspect embodiment, anticollision crossbeam 10 extends along controlling the direction, and anticollision crossbeam 10 includes: a front plate section 1, a connecting plate section 2, and a rear plate section 3. Front plate 1 is vertical (refer to the upper and lower direction in the drawing) and sets up, connecting plate 2 includes two, two connecting plate 2 extend along the fore-and-aft direction, and two connecting plate 2 set up along the upper and lower direction interval, the front end of two connecting plate 2 links to each other with front plate 1's rear side surface, the vertical setting of backplate 3, the upper and lower both ends of backplate 3 link to each other with the rear end of two connecting plate 2 respectively, make front plate 1, can inject cavity 4 between two connecting plate 2 and the backplate 3, the cross-section of cavity 4 is square, crashproof crossbeam 10 can be for the hollow beam that the left and right directions extended. In the up-down direction, the rear plate portion 3 is in the shape of a plate body that protrudes from the front to the rear. When crashproof crossbeam 10 receives the collision, front plate 1 is the main stress zone of collision, and rear plate 3 bears the tensile stress along left and right directions, through establishing rear plate 3 as by the bellied plate body shape in preceding back, makes rear plate 3 resist the ability of tensile stress stronger to can strengthen crashproof performance of crashproof crossbeam 10.

For example, referring to fig. 6, the connecting plate portion 2 includes a first connecting plate 21 and a second connecting plate 22, the first connecting plate 21 and the second connecting plate 22 are spaced apart from each other, the first connecting plate 21 is located above the second connecting plate 22, front ends of the first connecting plate 21 and the second connecting plate 22 are connected to a rear side surface of the front plate portion 1, a rear end of the first connecting plate 21 is connected to an upper end of the rear plate portion 3, and a rear end of the second connecting plate 22 is connected to a lower end of the rear plate portion 3. A cavity 4 is defined among the front plate portion 1, the first connecting plate 21, the second connecting plate 22 and the rear plate portion 3, a rear side surface of the front plate portion 1 constitutes a front side wall of the cavity 4, a lower surface of the first connecting plate 21 constitutes an upper side wall of the cavity 4, an upper surface of the second connecting plate 22 constitutes a lower side wall of the cavity 4, and a front side surface of the rear plate portion 3 constitutes a rear side wall of the cavity 4.

Alternatively, the front plate portion 1, the connecting plate portion 2, and the rear plate portion 3 are integrally formed, and manufacturing is simple. For example, the forming process of the front impact beam may be punch forming.

According to the utility model discloses anticollision crossbeam 10, cavity 4 can be injectd between front plate 1, two connection plate 2 and the back plate 3, the cross-section of cavity 4 is the square font, for the anticollision crossbeam 10 in day font or mesh font cross-section, weight reduction can be realized, and, back plate 3 is by preceding arch backward, make when anticollision crossbeam 10 receives bending load, the ability that back plate 3 resists tensile stress is stronger, can improve anticollision crossbeam 10's anti bending ability when lightening weight, and improve anticollision crossbeam 10's crashworthiness.

Referring to fig. 6, according to some embodiments of the present invention, the back plate portion 3 includes two inclined sections 31 and two vertical sections 32, the two inclined sections 31 are connected to the rear ends of the two connection plate portions 2, respectively, the other ends of the two inclined sections 31 extend in the front-to-rear direction, the vertical section 32 extends vertically and is connected between the other ends of the two inclined sections 31, and an included angle is formed between the vertical section 32 and the two inclined sections 31. When crashproof crossbeam 10 receives bending load, backplate portion 3 receives the tensile stress along left right direction, backplate portion 3 easily takes place to warp in order to absorb partial collision energy, through connecting two slope sections 31 in the both ends of vertical section 32, and has the contained angle between two slope sections 31 and the vertical section 32, can induce the deformation of backplate portion 3 and mainly take place at vertical section 32, and can be with the thickness thickening of vertical section 32 in order to strengthen the intensity of vertical section 32, prevent that backplate portion 3 from splitting.

For example, referring to fig. 6, the inclined section 31 includes an upper inclined section 311 and a lower inclined section 312, an upper end of the upper inclined section 311 is connected to a rear end of the first connection plate 21, a lower end of the lower inclined section 312 is connected to a rear end of the second connection plate 22, and a lower end of the upper inclined section 311 and an upper end of the lower inclined section 312 extend toward each other in a direction from front to rear. The vertical section 32 is connected between the upper inclined section 311 and the lower inclined section 312, the upper end of the vertical section 32 is connected to the lower end of the upper inclined section 311, and the lower end of the vertical section 32 is connected to the upper end of the lower inclined section 312.

Referring to fig. 6, according to some optional embodiments of the present invention, when the anti-collision beam 10 is subjected to a bending load, the rear plate portion 3 is subjected to a tensile stress in the left-right direction, the rear plate portion 3 is easily deformed to absorb part of the collision energy, the included angle α between the inclined section 31 and the vertical section 32 is 135 ° to 160 °, and the deformation of the rear plate portion 3 can be induced to mainly occur in the vertical section 32, so that the vertical section 32 becomes a main stress region of the tensile stress. For example, the angle α between the inclined section 31 and the vertical section 32 may be set to 138 °, 140 °, 147 °, 150 °, or 155 °.

Referring to fig. 6, according to some optional embodiments of the present invention, when the anti-collision beam 10 is subjected to a bending load, the vertical section 32 is a main stress area where the rear plate portion 3 is subjected to a tensile stress, the inclined section 31 is relatively less stressed, and the thickness T1 of the inclined section 31 is set to be 2.8mm to 3.5mm, so that the weight can be reduced while the structural strength of the rear plate portion 3 is ensured. Through the thickness T1 that sets up slope section 31 not less than 2.8mm, can guarantee the structural strength of slope section 31, through the thickness T1 that sets up slope section 31 not more than 3.5mm, can subtract heavy to backplate portion 3, help realizing crashproof crossbeam 10 lightweight. For example, the thickness T1 of the inclined section 31 may be set to 2.9mm, 3mm, 3.2mm, or 3.4mm, and the thickness of the upper inclined section 311 coincides with the thickness of the lower inclined section 312.

Referring to fig. 6, according to some optional embodiments of the present invention, when the anti-collision beam 10 is subjected to a bending load, the vertical section 32 is a main stress area where the rear plate portion 3 is subjected to a tensile stress, the thickness T2 of the vertical section 32 is 3.5mm to 4.5mm, and the thickness T2 of the vertical section 32 is greater than the thickness T1 of the inclined section 31, so that the structural strength of the rear plate portion 3 can be enhanced, and the rear plate portion 3 is prevented from being broken. For example, the thickness T2 of the vertical section 32 may be set to 3.5mm, 3.8mm, 4mm, 4.2mm, or 4.4mm.

Referring to fig. 6, according to some embodiments of the present invention, the thickness T3 of the web portion 2 is 2.5mm to 3mm, and the web portion 2 may collapse to absorb part of the collision energy when the collision beam 10 is collided. Through the thickness T3 that sets up connection board 2 not less than 2.5mm, can guarantee the structural strength of connection board 2, through the thickness T3 that sets up connection board 2 not more than 3mm, can make things convenient for connection board 2 to crumple when crashproof crossbeam 10 receives the collision in order to absorb partial collision energy. For example, the thickness T3 of the connecting plate portion 2 may be set to 2.6mm, 2.7mm, 2.8mm, 2.9mm, or 3mm, and the thickness of the first connecting plate 21 is the same as that of the second connecting plate 22.

Referring to fig. 6, according to some embodiments of the present invention, the front plate portion 1 includes: the collision section 11 and the extension section 12, the collision section 11 extends vertically, the connecting plate portion 2 is connected to the collision section 11, for example, the front ends of the first connecting plate 21 and the second connecting plate 22 are connected to the rear side surface of the collision section 11. The extension section 12 extends vertically, the extension section 12 is connected to at least one side of the collision section 11 in the vertical direction, for example, the extension section 12 may be connected to the upper side of the collision section 11, and the lower end of the extension section 12 is connected to the upper end of the collision section 11; or, the extension section 12 may be connected to the lower side of the collision section 11, and the upper end of the extension section 12 is connected to the lower end of the collision section 11; alternatively, the extension 12 may include an upper extension 121 and a lower extension 122, the collision section 11 is connected between the upper extension 121 and the lower extension 122, a lower end of the upper extension 121 is connected with an upper end of the collision section 11, and an upper end of the lower extension 122 is connected with a lower end of the collision section 11. The extension section 12 has a thickness smaller than that of the impact section 11. When crashproof crossbeam 10 receives the collision, front plate 1 is the main stress area of collision, and impact section 11 is front plate 1's main stress area, is less than impact section 11's thickness through the thickness of extending section 12, helps alleviateing crashproof crossbeam 10's weight when guaranteeing front plate 1's crashproof performance.

Referring to fig. 6, according to some optional embodiments of the present invention, thickness T4 of collision section 11 is 3.5mm to 4.5mm, and collision section 11 is as the main stress area of front plate portion 1, and thickness T4 through setting up collision section 11 is not less than 3.5mm, can guarantee the structural strength and crashworthiness of collision section 11, and thickness T4 through setting up collision section 11 is not more than 4.5mm, helps losing weight to crashworthiness crossbeam 10 when guaranteeing 11 crashworthiness of collision section. For example, the thickness T4 of the impact section 11 may be set to 3.7mm, 3.9mm, 4mm, 4.2mm, or 4.4mm.

Optionally, the thickness T5 of the extension section 12 is not less than 2.5mm, and the thickness of the extension section 12 is less than that of the collision avoidance section 11, which helps to reduce the weight of the collision avoidance beam 10 while ensuring the collision avoidance performance of the extension section 12. For example, the thickness T5 of the extension 12 may be set to 2.6mm, 2.8mm, 3mm, or 3.1mm.

Referring to fig. 1 and 5, according to some alternative embodiments of the present invention, the extension 12 is formed with a weight-reducing notch 123 to help reduce the weight of the bumper beam 10. For example, three weight-reduction notches 123 are formed in the lower extension 122.

Optionally, the extension 12 may be provided with a through hole 124 for passing the wiring harness. For example, referring to fig. 5, four vias 124 may be formed on the upper extension 121, two vias 124 may be formed on the lower extension 122, and the vias 124 penetrate the extension 12 from front to back.

Referring to fig. 2 and 6, according to some embodiments of the present invention, the connection position of the connecting plate portion 2 and the rear plate portion 3 is provided with the reinforcing rib 33, and the reinforcing rib 33 is located at one side of the connecting plate portion 2 and the rear plate portion 3 facing the inner cavity of the anti-collision beam 10, so as to enhance the structural strength of the anti-collision beam 10, and to improve the bending resistance of the anti-collision beam 10. For example, the first reinforcing rib 331 is provided at a connection position of the first connection plate 21 and the upper inclined section 311, the second reinforcing rib 332 is provided at a connection position of the second connection plate 22 and the lower inclined section 312, the first reinforcing rib 331 and the second reinforcing rib 332 both extend in the left-right direction, the extension length of the first reinforcing rib 331 is identical to the extension length of the impact beam 10, and the extension length of the second reinforcing rib 332 is also identical to the extension length of the impact beam 10.

Optionally, the reinforcing rib 33 is integrally formed with the connecting plate portion 2 and the rear plate portion 3, so that the overall structure is more stable, the anti-collision performance is stronger, and the manufacturing is simpler.

Referring to fig. 3 and 4, an impact beam assembly 100 according to an embodiment of the present invention includes: according to the present invention, the crash cross member 10 and the crash box 20 are provided. The two crash boxes 20 are respectively connected with the left end and the right end of the anti-collision beam 10, when the anti-collision beam 10 is collided, the anti-collision beam 10 deforms to a certain degree to absorb a part of energy, the anti-collision beam 10 can transmit the collision force to the two crash boxes 20, and the crash boxes 20 can be folded and deformed to continuously absorb the energy. For example, the energy absorption boxes 20 comprise a first energy absorption box 5 and a second energy absorption box 6, the first energy absorption box 5 is welded and fixed with the left end of the anti-collision beam 10, and the second energy absorption box 6 is welded and fixed with the right end of the anti-collision beam 10. For example, referring to fig. 2, the upper end of the crash box 20 is welded to the upper extension 121, and the lower end of the crash box 20 is welded to the lower extension 122; the crash box 20 may pass CO ₂ The weld beads are welded to the impact beam 10.

Alternatively, referring to fig. 1, 3 and 4, the impact beam assembly 100 may further include two mounting plates 30, the mounting plates 30 may include two mounting plates 30, and the impact beam 10 may be mounted on the front side member of the vehicle through the two mounting plates 30, for example, the mounting plates 30 include a first mounting plate 7 and a second mounting plate 8, the first mounting plate 7 and the second mounting plate 8 are spaced apart in the left-right direction, the first mounting plate 7 is welded to the first energy absorbing box 5, the second mounting plate 8 is welded to the second energy absorbing box 6, the first mounting plate 7 and the second mounting plate 8 may be fixedly connected to the front side member through a fastener, the left end of the impact beam 10 is welded to the first energy absorbing box 5, and the right end of the impact beam 10 is welded to the second energy absorbing box 6, so that the impact beam 10 may be mounted on the front side member of the vehicle.

When the vehicle is collided at a low speed, the anti-collision beam 10 can absorb collision energy and protect surrounding structures (such as a radiator, a condenser and the like) from being damaged; when a vehicle is collided at a high speed, the anti-collision cross beam 10 deforms to a certain degree to absorb a part of energy, the collision force can be transmitted to the two energy absorption boxes 20, the energy absorption boxes 20 are folded and deformed to continuously absorb the energy, and meanwhile, the residual energy is transmitted to the front longitudinal beam step by step.

According to the utility model discloses anticollision roof beam assembly 100, through setting up foretell anticollision crossbeam 10, front plate 1, cavity 4 can be injectd between two connection board 2 and the rear plate 3, the cross-section of cavity 4 is the square font, for the anticollision crossbeam 10 of day font or mesh font cross-section, can weight reduction, and, rear plate 3 is by preceding arch backward, make when anticollision crossbeam 10 receives bending load, the ability that rear plate 3 resists tensile stress is stronger, can improve anticollision crossbeam 10's anti bending ability when lightening weight, and improve anticollision crossbeam 10's crashworthiness.

According to the utility model discloses vehicle of third aspect embodiment, include according to the utility model discloses the crashproof roof beam assembly 100 of above-mentioned second aspect embodiment. For example, the vehicle may be a class a vehicle.

According to the utility model discloses the vehicle, through setting up foretell crashproof beam assembly 100, crashproof crossbeam 10's front plate portion 1, cavity 4 can be injectd between two connection board portion 2 and the rear plate portion 3, cavity 4's cross-section is the square font, for crashproof crossbeam 10 of day font or mesh font cross-section, can weight reduction, and, rear plate portion 3 is by preceding arch backward, make when crashproof crossbeam 10 receives bending load, the ability that rear plate portion 3 resisted the tensile stress is stronger, can improve crashproof crossbeam 10's anti-bending ability when lightening, and improve crashproof crossbeam 10's crashproof performance.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship 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 particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; 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 according to specific situations by those of ordinary skill in the art.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. The utility model provides an anticollision crossbeam which characterized in that, anticollision crossbeam extends and includes along left right direction:

a front plate portion vertically disposed;

the connecting plate parts comprise two connecting plate parts, the two connecting plate parts extend along the front-back direction and are arranged at intervals up and down, and the front ends of the two connecting plate parts are connected with the rear side surface of the front plate part;

the back board, the vertical setting of back board, the upper and lower both ends of back board respectively with two the rear end of connecting plate portion links to each other on the upper and lower direction, the back board is by preceding bellied plate body shape in back.

2. The impact beam of claim 1, wherein the rear plate portion comprises:

the two inclined sections are respectively connected with the rear ends of the two connecting plate parts at one end, and the other ends of the two inclined sections extend towards each other in the front-rear direction;

the vertical section, vertical section vertical setting just connects two the slope section between the other end.

3. An impact beam according to claim 2, characterized in that the angle between the inclined section and the vertical section is 135 ° -160 °;

the thickness of the inclined section is 2.8mm-3.5mm, and the thickness of the vertical section is 3.5mm-4.5mm.

4. An impact beam according to any one of claims 1 to 3, characterised in that the thickness of the web portion is 2.5mm to 3mm.

5. An impact beam according to any one of claims 1 to 3, wherein said front plate portion comprises: the collision section vertically extends, the connecting plate part is connected with the collision section, the extension section vertically extends, the extension section is connected with at least one side of the collision section in the up-down direction, and the thickness of the extension section is smaller than that of the collision section.

6. The impact beam of claim 5 wherein the impact section has a thickness of 3.5mm to 4.5mm and the extension section has a thickness of no less than 2.5mm.

7. An impact beam according to claim 5, characterised in that said extension is formed with weight-reducing notches.

8. The impact beam of any one of claims 1 to 3, wherein a connecting position of the web portion and the rear plate portion is provided with a reinforcing rib on a side of the web portion and the rear plate portion facing an inner cavity of the impact beam.

9. An impact beam assembly, comprising:

the impact beam of any one of claims 1-8;

the energy absorption boxes comprise two energy absorption boxes, and the two energy absorption boxes are respectively connected with the left end and the right end of the anti-collision beam.

10. A vehicle comprising the impact beam assembly of claim 9.

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