CN212921715U

CN212921715U - Vehicle body structure and vehicle with same

Info

Publication number: CN212921715U
Application number: CN202020899351.1U
Authority: CN
Inventors: 田苗苗
Original assignee: Beijing Electric Vehicle Co Ltd
Current assignee: Beijing Electric Vehicle Co Ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-04-09
Anticipated expiration: 2030-05-25

Abstract

The utility model discloses a body construction and vehicle that has it, body construction includes: a sill beam extending in a fore-aft direction; the B column and the C column are spaced from each other in the front-back direction and are arranged on the threshold beam; the load sharing beam is arranged on the doorsill beam, at least part of the load sharing beam is positioned below the B column, and a vertical line where the rear end of the load sharing beam is positioned on the front side of a vertical line where the rear edge of the lower end of the B column is positioned; and the reinforcing plate is arranged on the doorsill beam, the reinforcing plate is spaced behind the load-sharing beam, and at least part of the reinforcing plate is positioned below the C-pillar. According to the utility model discloses an automobile body structure sets up the reinforcing plate through the rear at the branch year roof beam to inject the position of branch year roof beam and reinforcing plate respectively, can bump under the prerequisite of the structural strength of requirement satisfying the side prop, suitably shorten the length of branch year roof beam, reduce the weight of branch year roof beam, thereby reduce whole automobile body structure's cost and weight.

Description

Vehicle body structure and vehicle with same

Technical Field

The utility model belongs to the technical field of the vehicle, particularly, relate to a body structure and vehicle that has it.

Background

As a modern vehicle, the automobile brings convenience and fun to the life of people, and brings great threat and injury to human life and property due to traffic accidents caused by the automobile. Among various car crash accidents, side car crash accidents cause severe injuries and fatalities of passengers to a high degree of 25%, which are the main types of accidents causing severe injuries and fatalities of passengers, 43% to 55% of which are caused by car-to-car crash accidents, and 12% to 16% of which are caused by side car impacts on columns.

The side impact test protocol is well established and sound under The common efforts of various automobile manufacturers and research institutes, and The side impact safety test protocol is also incorporated into The vehicle evaluation Program by C-NCAP, The China-New Car Association Program (version 2021). A side column collision of a vehicle is a condition of vehicle collision, i.e. the side of the vehicle impacts a vertical, rigid metal cylinder structure which cannot be deformed, and the currently common conditions of each mechanism are that the vehicle impacts a cylinder which is 75 ° ± 3 ° with the longitudinal vertical plane of the vehicle at a speed of 32km/h (but for vehicles with a vehicle width of not more than 1.5m, the speed can be reduced and the collision speed is 26km/h), and the speed is kept stable at least within 0.5m before the collision, and the diameter of the cylinder is 254mm ± 6 mm. The side pillar crash test requires the vehicle to absorb all of its energy, which places higher demands on the structure and safety of the vehicle.

When the side surface of the vehicle collides with the cylinder, the collision area of the collision position is small, so that the collision result is severe, the side surface of the vehicle is greatly deformed, the living space of passengers is reduced, and the passengers are seriously threatened. In addition, the number of electric vehicles is increasing, and when a cylindrical object is hit on the side of the vehicle, the power battery is seriously threatened, and once the power battery is violently hit, the risk of spontaneous combustion of the vehicle is increased. Therefore, it is necessary to solve the risk of collision of the side of the vehicle with the cylinder and to protect the passengers in the vehicle better.

In the prior art, an integrated threshold structure is usually adopted, and a load sharing beam is arranged at the lap joint position of a B column and the threshold beam, so that the problem of excessive design easily occurs to the vehicle body structure, the weight of the whole vehicle is increased, the research and development cost of the whole vehicle is increased, and the development of the whole vehicle project is not facilitated.

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. Therefore, the utility model provides an automobile body structure, automobile body structure can bump under the structural strength who requires and the prerequisite of anti bending strength satisfying the side column, reduces whole automobile body structure's cost and weight.

The utility model also provides a vehicle of including foretell body structure.

According to the utility model discloses body structure of first aspect embodiment includes: a sill beam extending in a fore-aft direction; the B column and the C column are spaced from each other in the front-back direction and are arranged on the threshold beam; the load sharing beam is arranged on the doorsill beam, at least part of the load sharing beam is positioned below the B column, and a vertical line where the rear end of the load sharing beam is positioned on the front side of a vertical line where the rear edge of the lower end of the B column is positioned; and the reinforcing plate is arranged on the doorsill beam, the reinforcing plate is spaced behind the load-sharing beam, and at least part of the reinforcing plate is positioned below the C-pillar.

According to the utility model discloses body structure sets up the reinforcing plate through the rear at the partial load roof beam to inject the position of partial load roof beam and reinforcing plate respectively, can bump under the prerequisite of the structural strength of requirement and anti intensity of buckling satisfying the side prop, suitably shorten the length of partial load roof beam, reduce the weight of partial load roof beam, thereby reduce whole body structure's cost and weight.

According to some embodiments of the utility model, the reinforcing plate is the threshold roof beam 0.12 ~ 0.13 times in the length of fore-and-aft direction.

According to the utility model discloses a some embodiments, the rear end place vertical line of reinforcing plate and the lower extreme mid point place vertical line parallel and level of C post, perhaps, the rear end place vertical line of reinforcing plate is located the rear side of the lower extreme mid point place vertical line of C post.

According to the utility model discloses a some embodiments, the vertical line in rear end place of reinforcing plate and the vertical line parallel and level in lower extreme trailing edge place of C post, perhaps, the vertical line in rear end place of reinforcing plate is located the front side of the vertical line in lower extreme trailing edge place of C post.

According to some embodiments of the utility model, the front end place vertical line of reinforcing plate is located the front side of the lower extreme leading edge place vertical line of C post.

According to some embodiments of the utility model, the thickness of reinforcing plate is less than or equal to 1.6 mm.

According to the utility model discloses a some embodiments, the branch carries the roof beam and bumps the contact point with the threshold roof beam with 32kph side pillar at the vertical line in central point place of front and back side direction and satisfy at the ascending distance L in front and back: l is less than or equal to 50 mm.

According to the utility model discloses a some embodiments, the vertical line in rear end place parallel and level in the lower extreme mid point place of the branch year roof beam and B post, perhaps, the vertical line in rear end place of branch year roof beam is located the front side in the vertical line in lower extreme mid point place of B post, and the vertical line in front end place of branch year roof beam is located the front side in the vertical line in lower extreme leading edge place of B post.

According to the utility model discloses a some embodiments, the distance W between the rear end place vertical line of the rear end place of partial load roof beam and the rear end place vertical line of B post on the front and back side satisfies: w is more than or equal to 100 mm.

According to the utility model discloses vehicle of second aspect embodiment, including above-mentioned first aspect embodiment body structure, wherein, the vehicle still includes the bottom plate, the threshold roof beam is two, two threshold roof beams all extend along the fore-and-aft direction and establish respectively in the left and right sides of bottom plate, every threshold roof beam all includes that the interval sets up and continuous inner panel and planking in the left and right sides direction, the branch carries roof beam and reinforcing plate and all locates between inner panel and the planking.

According to the utility model discloses vehicle, through setting up foretell partial load roof beam in the left and right sides of bottom plate, can increase the structural strength and the anti intensity of buckling of threshold roof beam when the vehicle both sides receive the side pillar and bump, the vehicle is at the in-process of traveling, no matter whether the left side or the right side receive the side pillar and bump, can both effectively reduce the side pillar and bump the invasion volume and slow down the invasion speed, reduce the possibility that the vehicle side takes place great deformation, provide more living space for the passenger to can promote the collision security of vehicle. Moreover, since the cost and weight of the entire vehicle body structure can be reduced, the production cost and weight of the vehicle as a whole can be reduced.

It is to be understood that all combinations of the aforementioned technical solutions and additional technical solutions described in detail below can be considered as part of the disclosure of the present application as long as such technical solutions are not mutually contradictory.

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

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of a vehicle body structure according to an embodiment of the present invention.

Reference numerals:

the structure 1 of a vehicle body is provided with,

sill beam 10, B-pillar 20, C-pillar 30, load-sharing beam 40, and reinforcement panel 50.

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 only for the purpose of explaining the present invention, and should not be construed as limiting the present invention. It should be appreciated that the various concepts and embodiments described above, as well as those described in greater detail below, may be implemented in any of numerous ways, as the disclosed concepts and embodiments are not limited to any implementation. Additionally, some aspects of the present disclosure may be used alone or in any suitable combination with other aspects of the present disclosure.

A vehicle body structure 1 according to an embodiment of the present invention is described below with reference to the drawings.

As shown in fig. 1, according to the utility model discloses a vehicle body structure 1 includes: rocker beam 10, B-pillar 20 and C-pillar 30, load-sharing beam 40, and reinforcement panel 50.

As shown in fig. 1, the rocker beam 10 extends in the front-rear direction, where "front" refers to the direction of the vehicle head and "rear" refers to the direction of the vehicle tail. The B-pillar 20 and the C-pillar 30 are spaced apart from each other in the front-rear direction and are both provided on the rocker beam 10, the load-sharing beam 40 is provided on the rocker beam 10, and at least a portion of the load-sharing beam 40 is located below the B-pillar 20, whereby the structural strength and the bending strength of the rocker beam 10 at the time of side pillar collision can be reinforced.

As shown in fig. 1, the gusset 50 is provided on the rocker beam 10, the gusset 50 is located at a distance behind the load-dividing beam 40, and at least a part of the gusset 50 is located below the C-pillar 30, which is another place where a large stress is concentrated when the vehicle body structure 1 is subjected to a side pillar collision, whereby the structural strength of the rocker beam 10 at this place can be further reinforced, whereby the bending strength of the rocker beam 10 can be further reinforced, the intrusion amount and the intrusion speed of the side pillar collision can be further reduced when the vehicle body structure 1 is subjected to the side pillar collision, and when the vehicle body structure 1 is applied to a vehicle, the collision safety of the vehicle can be improved.

As shown in fig. 1, the reinforcing plate 50 is arranged behind the load-sharing beam 40, so that the length of the load-sharing beam 40 can be appropriately shortened, the rear end of the load-sharing beam 40 is shortened forwards, the vertical line of the rear end of the load-sharing beam 40 is located in front of the vertical line of the rear edge of the lower end of the B pillar 20, and therefore the load-sharing beam 40 is arranged at the position, so that the structural strength and the bending strength of the vehicle body structure 1 can be guaranteed when the vehicle body structure is impacted by a side pillar, the weight and the cost of the reinforcing plate 50 are reduced on the premise that the intrusion amount of the side pillar impact is reduced and the intrusion speed is reduced, and the overall weight and the cost of the whole vehicle body structure 1 are further reduced.

It should be noted that "the lower end of a pillar" means that a pillar is located in a portion of the plane of the top surface of the rocker beam 10. Thus, "the lower end rear edge of a pillar" refers to a rear edge point of a portion of the pillar that intersects the top surface of the rocker beam 10, and "the lower end front edge of a pillar" and "the lower end midpoint of a pillar" are understood similarly. Therefore, the lower end rear edge of the B-pillar 20 refers to a rear edge point of the B-pillar 20 at a portion intersecting the top surface of the rocker beam 10. In addition, the rocker beam 10, the B-pillar 20, and the C-pillar 30 may be a single piece or may be an assembled piece, and the present application is not limited thereto.

From this, through setting up partial load roof beam 40 and reinforcing plate 50, increase the structural strength of threshold roof beam 10 in many places, reduced threshold roof beam 10 when receiving the side post and hit the effort that single stress concentration district bore to make the intensity of whole threshold roof beam 10 strengthened. And the length of the load-sharing beam 40 can be appropriately shortened, thereby reducing the overall weight and cost of the vehicle body structure 1.

It should be noted that "at least a part of the load-sharing beam 40 is located below the B-pillar 20" means: the load-sharing beam 40 may be partially located below the B-pillar 20, or the load-sharing beam 40 may be entirely located below the B-pillar 20. "at least a portion of the reinforcement plate 50 is located below the C-pillar 30" means: the reinforcing plate 50 may be partially located below the C-pillar 30, or the reinforcing plate 50 may be entirely located below the C-pillar 30.

According to the vehicle body structure 1 of the embodiment of the present invention, by providing the load-sharing beam 40 on the rocker beam 10, with at least a portion of the load-splitting beam 40 being located below the B-pillar 20 and the reinforcement plate 50 being spaced rearwardly of the load-splitting beam 40, and at least a portion of the reinforcement plate 50 being located below the C-pillar 30, the structural strength of the rocker beam 10 is increased at multiple locations by adding localized structures, reducing the force experienced by a single stress concentration zone of the rocker beam 10 when subjected to side impacts, so that the strength of the entire rocker beam 10 is enhanced, the intrusion amount of the side pillar collision can be further reduced and the intrusion speed can be slowed down when the vehicle body structure 1 is subjected to the side pillar collision, when the vehicle body structure 1 is applied to a vehicle, the possibility of large deformation of the side surface of the vehicle can be reduced, more living space is provided for passengers, and the collision safety of the vehicle can be improved. The collision safety of the vehicle can be improved. Simultaneously, the structure is simpler, can reduce production cost, thereby improves the security of body structure 1 through the means with comparatively economy and promotes the competitiveness of body structure 1 in the market of this application.

In short, according to the utility model discloses body structure 1, not only can satisfy the analysis requirement that the side collision side post bumped (for example satisfy 32kph side post and bump the requirement and satisfy the requirement of 50kph side collision), but also body structure 1's whole weight can reduce, when body structure 1 is applicable to in the vehicle for whole car development cost can reduce.

According to some embodiments of the present invention, the length of the gusset 50 in the front-rear direction is 0.12 to 0.13 times the length of the rocker beam 10 in the front-rear direction. The "front-rear direction" referred to herein is the front-rear direction as shown in fig. 1. This can reduce the overall weight of the vehicle body structure 1 while reinforcing the structural strength of the rocker beam 10 by the reinforcement plate 50. The "0.12 to 0.13 times" may be any of 0.12 to 0.13 times, and may be, for example, 0.12 times, 0.122 times, 0.124 times, 0.126 times, 0.128 times, or 0.13 times.

It should be noted that the present application is not limited thereto, and the proportional relationship between the length of the gusset 50 in the front-rear direction and the length of the rocker beam 10 in the front-rear direction is merely a preferable proportional relationship according to some embodiments of the present invention, and the appropriate proportional relationship between the length of the gusset 50 in the front-rear direction and the length of the rocker beam 10 in the front-rear direction can be determined according to the size, weight, structure, and the like of different vehicle body structures 1 according to actual circumstances.

According to some embodiments of the utility model, the vertical line in rear end place of reinforcing plate 50 and the vertical line parallel and level in lower extreme mid point place of C post 30, perhaps, the vertical line in rear end place of reinforcing plate 50 is located the rear side of the vertical line in lower extreme mid point place of C post 30. As shown in fig. 1, the front-rear direction is the front-rear direction of the present application, and the partial vehicle body structure 1 is here a large stress concentration place when the vehicle body structure 1 is subjected to a side pillar collision, thereby further strengthening the structural strength of the rocker beam 10 at this place, further strengthening the bending strength of the rocker beam 10, reducing the intrusion amount and slowing down the intrusion speed of the side pillar collision when the vehicle body structure 1 is subjected to the side pillar collision, and reducing the possibility of large deformation of the side of the vehicle when the vehicle body structure 1 is applied to a vehicle, providing more living space for passengers, and improving the collision safety of the vehicle.

According to some embodiments of the utility model, the vertical line in rear end place of reinforcing plate 50 and the vertical line parallel and level in lower extreme trailing edge place of C post 30, perhaps, the vertical line in rear end place of reinforcing plate 50 is located the front side of the vertical line in lower extreme trailing edge place of C post 30. As shown in fig. 1, the front-rear direction is the front-rear direction in the present application, and the partial vehicle body structure 1 is here a large stress concentration place when the vehicle body structure 1 is subjected to a side pillar collision, thereby further strengthening the structural strength of the rocker beam 10 at this place, and when the vehicle body structure 1 is subjected to a side pillar collision, thereby further strengthening the structural strength and the bending resistance of the rocker beam 10, thereby reducing the intrusion amount and the intrusion speed of the side pillar collision, and when the vehicle body structure 1 is applied to a vehicle, the possibility of large deformation of the side of the vehicle can be reduced, providing more living space for passengers, and thus improving the collision safety of the vehicle. This provides a plurality of options for the body structure 1 of different designs to be selected for use depending on its own circumstances.

According to the utility model discloses a some embodiments, the vertical line in rear end place of reinforcing plate 50 is located the rear side of the lower extreme mid point place vertical line of C post 30, and the vertical line in rear end place of reinforcing plate 50 still is located the front side of the lower extreme trailing edge place vertical line of C post 30 simultaneously, can accord with the structural strength of body structure 1 when receiving the side prop and the requirement of anti buckling strength from this better, and shorten reinforcing plate 50's length, reduce body structure 1's weight and cost.

According to some embodiments of the utility model, the vertical line in front of the lower extreme leading edge place of reinforcing plate 50 is located the front side of the vertical line in front of C post 30, can further strengthen threshold roof beam 10 structural strength here from this, can further strengthen threshold roof beam 10 structural strength and anti-bending strength from this when body structure 1 receives the side post to bump, thereby reduce the invasion volume that the side post bumped and slow down the invasion speed, when body structure 1 is applicable to in the vehicle, can reduce the possibility that the vehicle side takes place great deformation, provide more living space for the passenger, thereby promote the collision security of vehicle.

According to the utility model discloses a some embodiments, the thickness less than or equal to 1.6mm of reinforcing plate 50 makes reinforcing plate 50 lightweight when increasing the structural strength at this place of threshold roof beam 10 from this to reduce the holistic weight of body structure 1, reach the purpose of saving cost, thereby promote the competitiveness of the vehicle on market of this application through the security that improves the vehicle with comparatively economic means.

According to some embodiments of the present invention, the distance L between the vertical line of the center point of the partial load beam 40 in the front-rear direction and the 32kph side pillar collision (C-NCAP (2021 version), Euro NACP all have 32kph side pillar collision regulation) and the contact point of the sill beam 10 in the front-rear direction satisfies: l is less than or equal to 50mm, because the 32kph side pillar bumps the great stress point of threshold roof beam 10 when receiving the side pillar and bumps in vehicle body structure 1, set up like this and divide load beam 40 and can further increase the threshold roof beam 10 and bump the structural strength of the great department of atress when receiving the side pillar, further promoted threshold roof beam 10's structural strength and anti buckling strength, thereby reduce the invasion volume that the side pillar bumped and slow down the invasion speed, when vehicle body structure 1 is applicable to the vehicle, can reduce the possibility that the vehicle side takes place great deformation, provide more living space for the passenger, thereby promote the collision security of vehicle.

According to some embodiments of the present invention, the vertical line of the front end of the load-sharing beam 40 is located at the front side of the vertical line of the lower end front edge of the B-pillar 20. Meanwhile, the vertical line of the rear end of the load-sharing beam 40 is flush with the vertical line of the midpoint of the lower end of the B-pillar 20, or the vertical line of the rear end of the load-sharing beam 40 is located on the front side of the vertical line of the midpoint of the lower end of the B-pillar 20. So set up partial load roof beam 40 and can further increase threshold roof beam 10 and receive the structural strength and the anti buckling strength of the great department of atress when the side pillar bumps, further promoted threshold roof beam 10's structural reliability to reduce the invasion volume that the side pillar bumped and slow down the invasion speed, when body structure 1 was applicable to in the vehicle, can promote the collision security of vehicle. Simultaneously can make the partial load roof beam 40 lighter-weighted more, shorten the length of partial load roof beam 40 among the prior art to reduce the holistic weight of body structure 1, reach the purpose of practicing thrift the cost, thereby improve the security of vehicle through the means with comparatively economy and promote the vehicle competitiveness in the market of this application.

According to the utility model discloses a some embodiments, the distance W between the vertical line in front and back side between the vertical line in rear end place of the rear end place of branch year roof beam 40 and the vertical line in rear end place of B post 20 satisfies: w is more than or equal to 100 mm. It can be understood that the "front-rear direction" referred to herein is the front-rear direction shown in fig. 1, and therefore the length of the partial load beam 40 is shortened while the structural strength of the portion of the rocker beam 10 where the stress is greater when the rocker beam is impacted by a side pillar is further increased, so that the partial load beam 40 is more lightweight, the length of the partial load beam 40 in the prior art is shortened, the overall weight of the vehicle body structure 1 is reduced, and the purpose of saving cost is achieved.

According to an embodiment of the present invention, the distance W between the vertical line of the rear end of the load-sharing beam 40 and the vertical line of the rear end of the B-pillar 20 in the front-rear direction is 100mm, and compared with the situation that the vertical line of the rear end of the load-sharing beam 40 is flush with the vertical line of the rear end of the lower end of the B-pillar 20, the weight of the load-sharing beam 40 is reduced by 1.2KG, the material cost can be reduced by about 50 yuan/KG, the cost of a single vehicle can be reduced by 30 yuan, the total cost can be reduced by about 100 ten thousand when the yield per year is 5 ten thousand, and meanwhile, the weight of the reinforcing plate 50 is set to 0.6KG and the thickness is 1.6mm, the overall weight of the vehicle body structure 1 is reduced by 0.6KG (-1.2KG +0.6 KG-0.6 KG), and through simulation tests, the intrusion speed of the structure 1 is reduced from 7.8m/s (greater than 7m/s) to 6.9m/s (less than 7.0m/s, thereby saving the production cost while reducing the intrusion amount of the side pillar collision and slowing down the intrusion speed, when the vehicle body structure 1 is applied to a vehicle, the possibility of large deformation of the side of the vehicle can be reduced, more living space is provided for passengers, and the collision safety of the vehicle is improved.

According to the utility model discloses the vehicle, including the aforesaid body structure 1, wherein, the vehicle still includes the bottom plate, threshold roof beam 10 is two, two threshold roof beams 10 all extend and establish respectively in the left and right sides of bottom plate along the fore-and-aft direction, every threshold roof beam 10 all includes that the interval sets up and continuous inner panel and planking in the left and right sides direction, divide and carry roof beam 40 and reinforcing plate 50 and all locate between inner panel and the planking, so set up the structural strength and the anti buckling strength of threshold roof beam 10 when can increasing vehicle both sides and receive the side pillar and bump, the vehicle is at the driving in-process, no matter be that the left side or right side receive the side pillar and bump, can both effectively reduce the side pillar and bump the invasion volume and slow down the invasion speed to can promote the collision security nature of vehicle. The structure is comparatively simple in addition, can reduction in production cost, thereby improves the security of vehicle through the means with comparatively economy and promotes the competitiveness of the vehicle of this application on market. It should be noted that the type of the vehicle may be a commercial vehicle such as a car, a bus, or a truck. The application is not limited.

According to the utility model discloses vehicle, through set up foretell partial load roof beam 40 in the left and right sides of bottom plate, can increase the structural strength and the anti intensity of buckling of threshold roof beam 10 when the vehicle both sides receive the side pillar and bump, the vehicle is at the in-process of traveling, no matter whether the left side or the right side receive the side pillar and bump, can both effectively reduce the side pillar and bump the invasion volume and slow down the invasion speed, reduce the possibility that the vehicle side takes place great deformation, provide more living space for the passenger to can promote the collision security of vehicle. The structure is comparatively simple in addition, can reduction in production cost, thereby improves the security of vehicle through the means with comparatively economy and promotes the competitiveness of the vehicle of this application on market.

According to some embodiments of the present invention, the structural shapes of the load-sharing beam 40 and the reinforcing plate 50 are not limited, for example, the load-sharing beam 40 may be a non-flat three-dimensional shape to be in contact with the inner plate and the outer plate respectively, and for example, the reinforcing plate 50 may be a flat plate and be mounted on the outer plate only, and in addition, the connection modes of the load-sharing beam 40 and the reinforcing plate 50 to the threshold beam 10 are not limited, for example, welding or screwing.

For example, in some embodiments of the present invention, the stiffener 50 may be connected to the outer panel, for example, the stiffener 50 may be connected to the outer panel by welding. This can simplify the structural design of the connection of the reinforcing plate 50 to the outer panel, simplify the manufacturing process, and reduce the number of parts to be assembled. However, the present invention is not limited thereto, and the reinforcing plate 50 may be connected to the outer plate by a rivet.

For example, in some embodiments of the present invention, the load-sharing beam 40 may be welded to the inner panel. Therefore, the structural design of the connection between the load-sharing beam 40 and the inner plate can be simplified, the processing procedure is simplified, and the number of assembly parts is reduced. According to some embodiments of the utility model, the inner panel is the steel construction, and the planking is the aluminium structure, and the structural strength of inner panel is higher than the structural strength of planking, will heavier and great minute year roof beam welding on the inner panel, and when the vehicle received the side prop and bumped, the planking can play the effect of buffering, utilizes deformation to absorb partly impact energy. However, the present application is not limited thereto, and the load-sharing beam 40 may be connected to the inner panel by a rivet.

According to the utility model discloses a some embodiments, the planking is hugged closely on the surface that is close to the planking of partial load roof beam 40, can further increase the structural strength of threshold roof beam 10 the great department of atress when receiving the side pillar and bump from this, has further promoted the structural strength and the anti bending strength of threshold roof beam 10 to reduce the invasion volume that the side pillar bumped and slow down the invasion speed, when body structure 1 was applicable to in the vehicle, can promote the collision security of vehicle.

For example, in the example shown in fig. 1, the height of the load-dividing beam 40 in the up-down direction may be larger than the height of the reinforcing plate 50 in the up-down direction, and the thickness of the reinforcing plate 50 is smaller than the thickness of the load-dividing beam 40. This enables the vehicle body structure 1, and thus the vehicle, to be made lightweight while achieving the local structural strength of the rocker beam 10.

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 indicated based on 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, 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 otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. 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 description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean 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 do not necessarily 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.

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

1. A vehicle body structure characterized by comprising:

a threshold beam extending in a fore-aft direction;

the B column and the C column are spaced from each other in the front-rear direction and are arranged on the threshold beam;

the load sharing beam is arranged on the threshold beam, at least part of the load sharing beam is positioned below the B column, and a vertical line where the rear end of the load sharing beam is positioned on the front side of a vertical line where the rear edge of the lower end of the B column is positioned; and

the reinforcing plate is arranged on the doorsill beam, the reinforcing plate is spaced behind the load-sharing beam, and at least part of the reinforcing plate is located below the C-pillar.

2. The vehicle body structure according to claim 1, wherein a length of the gusset in the front-rear direction is 0.12 to 0.13 times a length of the rocker beam in the front-rear direction.

3. The vehicle body structure according to claim 1, characterized in that a vertical line of a rear end of the reinforcement panel is flush with a vertical line of a lower end midpoint of the C-pillar, or the vertical line of the rear end of the reinforcement panel is located on a rear side of the vertical line of the lower end midpoint of the C-pillar.

4. The vehicle body structure according to claim 1, characterized in that a vertical line of a rear end of the reinforcement panel is flush with a vertical line of a lower end rear edge of the C-pillar, or the vertical line of the rear end of the reinforcement panel is located on a front side of the vertical line of the lower end rear edge of the C-pillar.

5. The vehicle body structure according to claim 1, wherein a vertical line on which a front end of the reinforcement panel is located on a front side of a vertical line on which a lower end front edge of the C-pillar is located.

6. The vehicle body structure according to claim 1, wherein the thickness of the reinforcing plate is 1.6mm or less.

7. The vehicle body structure according to claim 1, wherein a distance L in the front-rear direction between a vertical line at which a center point of the load-sharing beam in the front-rear direction is located and a contact point of the side pillar with the rocker beam at 32kph satisfies: l is less than or equal to 50 mm.

8. The vehicle body structure according to claim 1,

the vertical line of the rear end of the load sharing beam is flush with the vertical line of the midpoint of the lower end of the B column, or the vertical line of the rear end of the load sharing beam is positioned at the front side of the vertical line of the midpoint of the lower end of the B column,

and the vertical line of the front end of the load sharing beam is positioned at the front side of the vertical line of the front edge of the lower end of the B column.

9. The vehicle body structure according to any one of claims 1 to 8, wherein a distance W in a front-rear direction between a vertical line on which a rear end of the load-sharing beam is located and a vertical line on which a rear end of the B-pillar is located satisfies: w is more than or equal to 100 mm.

10. A vehicle, characterized in that, includes the body structure according to any one of claims 1-9, wherein, the vehicle still includes the bottom plate, threshold roof beam is two, two threshold roof beams all extend along the fore-and-aft direction and establish respectively in the left and right sides of bottom plate, every threshold roof beam all includes the inner panel and the planking that set up and link to each other in the left and right sides orientation interval, divide the load roof beam with the reinforcing plate all locates the inner panel with between the planking.