Side column collision protection structure, vehicle body and vehicle

Abstract

The invention discloses a side column collision protection structure, a vehicle body and a vehicle, and the side column collision protection structure comprises a first beam, a second beam and a third beam, the first beams are arranged at intervals in the first direction, each first beam extends in the second direction, the ends of the first beams are connected with the first beams respectively, and an included angle is formed between the first direction and the second direction; and the energy absorption structural part is arranged on the first beam, and the energy absorption structural part is constructed to be crushed and deformed after bearing first set pressure. According to the side column collision protection structure, the energy absorption capacity of the first beam can be improved, and the stress of the first beam is reduced.

Description

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application claims priority to Chinese patent application No. 202311120750.8 filed on August 31, 2023, entitled “Side Pole Impact Protection Structure, Vehicle Body and Vehicle”, the entire contents of which are incorporated by reference into this application. Technical Field

[0003] The present application relates to the field of vehicles, and in particular to a side pole impact protection structure, a vehicle body and a vehicle. Background Art

[0004] The vehicle's rocker beam is generally connected to the crossbeams in front and behind the seats. The load impacting the side of the vehicle is absorbed through the deformation of the rocker beam, and the remaining energy of the load is transferred to the other side of the vehicle body through the crossbeams in front and behind the seats. However, due to the single structure of the rocker beam and its limited energy absorption capacity, the crossbeams in front and behind the seats are subject to a greater impact force. Summary of the invention

[0005] In view of the above problems, the present application provides a side column impact protection structure, a vehicle body and a vehicle, which can improve the energy absorption capacity of the first beam and reduce the force on the first beam.

[0006] In a first aspect, the present application provides a side column impact protection structure, comprising: a first beam, the first beam extending along a first direction; a plurality of first cross beams, the plurality of first cross beams being arranged at intervals along the first direction, each of the first cross beams extending along a second direction, the ends of the plurality of first cross beams being respectively connected to the first beams, and the first direction and the second direction having an angle; an energy absorbing structural member, the energy absorbing structural member being arranged on the first beam, the energy absorbing structural member being configured to collapse and deform after being subjected to a first set pressure.

[0007] In the technical solution of the embodiment of the present application, an energy-absorbing structural member is provided on the first beam of the side column impact protection structure. After the first beam is subjected to an impact force, the energy-absorbing structural member can bear a part of the impact force, reduce the residual load of the impact force, reduce the impact force borne by the first beam and the first cross beam, and enhance the protection effect of the energy-absorbing structural member on the first beam and the first cross beam. At the same time, multiple first cross beams can jointly bear the residual load of the impact force, which can reduce the impact force borne by a single first cross beam. The energy-absorbing structural member and multiple first cross beams can disperse and absorb the impact force borne by the first beam, thereby enhancing the bending strength of the first beam.

[0008] According to some embodiments of the present application, the energy absorbing structure includes at least one first buffer cavity extending along the second direction. In the above technical solution, the first buffer cavity extending along the second direction can buffer the impact force from the second direction on the energy absorbing structure, reducing the force on the first beam and the first cross beam.

[0009] According to some embodiments of the present application, the cross section of the energy absorbing structural member is formed into a honeycomb shape, and the cross section is perpendicular to the second direction. In the above technical solution, the cross section of the energy absorbing structural member is designed in this way to enhance the ability of the energy absorbing structural member to withstand pressure in the second direction, and also enhance the structural strength of the energy absorbing structural member itself.

[0010] According to some embodiments of the present application, in the second direction, the ends of at least two of the first beams are connected by a side beam, and the side beam is fixed to the first beam. In the above technical solution, the side beam is provided to connect the at least two first beams as a whole, so that the force from the first beam borne by the side beam can be dispersed to the at least two first beams, so that the at least two first beams are subjected to the force together, and the impact force borne by the single first beam can be reduced.

[0011] According to some embodiments of the present application, the side beam is configured to be crushed and deformed after being subjected to a second set pressure. In the above technical solution, after the side beam is crushed and deformed by force, the other part of the force can be blocked from being transmitted to at least two first cross beams connected to the side beam, which can reduce the force on the first cross beam, and the crushing and deformation of the side beam can also increase the absorption of collision energy by the side beam.

[0012] According to some embodiments of the present application, the side beam includes at least one second buffer cavity extending along the first direction. In the above technical solution, the second buffer cavity can buffer the force applied to the side beam to reduce the force transmitted from the side beam to the plurality of first cross beams, thereby reducing the force applied to each first cross beam.

[0013] According to some embodiments of the present application, in the second direction, the end of the energy absorbing structural member is connected to the side beam. In the above technical solution, the force transmitted from the first beam to the side beam can be absorbed by the energy absorbing structural member, which can enhance the energy absorbing effect of the energy absorbing structural member while reducing the force on the side beam.

[0014] According to some embodiments of the present application, the energy absorbing structural member is disposed through the first beam. In the above technical solution, the positional relationship between the energy absorbing structural member and the first beam is designed such that at least part of the energy absorbing structural member is located inside the first beam, and the energy absorbing structural member can withstand a portion of the impact force perpendicular to the first direction, and when the energy absorbing structural member withstands the impact force reaching the first set pressure, it is crushed and deformed to reduce the load borne by the first beam.

[0015] According to some embodiments of the present application, the side column impact protection structure further includes: a bin body, wherein the bin body is provided with a storage space for storing the battery unit. In the above technical solution, since the first beam is located on the side of the top cover, the energy-absorbing structural member and the side beam provided in the side column impact protection structure can disperse the impact force borne by the first beam, improve the bending strength of the first beam, reduce the deformation of the first beam, avoid the deformation of the first beam and intrusion into the storage space, and strengthen the protection of the battery unit.

[0016] According to some embodiments of the present application, the side column impact protection structure further includes a middle beam disposed in the containing space, the middle beam extending along the second direction, the middle beam disposed below the top cover of the bin body, and the middle beam fixed to at least one of the first cross beams. In the above technical solution, by fixing the middle beam to at least one of the first cross beams, the upper force transmission path and the lower force transmission path can transmit force as a whole, thereby improving the overall load transmission capacity, reducing the effect of the first beam bearing the impact force, and improving the bending resistance of the first beam.

[0017] According to some embodiments of the present application, the middle beam is fixed to one of the first beams via a plurality of fixed connectors. In the above technical solution, the middle beam and the first beam can form an integral force transmission, thereby improving the overall load transmission capability, and the middle beam and the first beam have more fixed points, making the fixed connection between the middle beam and the first beam more stable.

[0018] According to some embodiments of the present application, in the second direction, a portion of the energy absorbing structural member is disposed opposite to the middle beam. In the above technical solution, a portion of the energy absorbing structural member is disposed opposite to the middle beam, so that the portion of the energy absorbing structural member can absorb the force exerted on the middle beam, thereby strengthening the energy absorbing capacity of the portion of the energy absorbing structural member and reducing the pressure of the load transmitted by the force transmission path below.

[0019] According to some embodiments of the present application, a portion of the energy absorbing structural member is connected to the middle beam. In the above technical solution, the energy absorbing structural member can be subjected to force first to be crushed and deformed, and after sufficient energy absorption, the remaining load is then transferred to the middle beam, which can effectively reduce the load borne by the middle beam and the first cross beam, and reduce the pressure of the load transmitted by the upper force transmission path and the lower force transmission path.

[0020] According to some embodiments of the present application, the energy absorbing structural member includes a first energy absorbing member and a second energy absorbing member, the first energy absorbing member and the second energy absorbing member are arranged at intervals in the vertical direction, the first energy absorbing member is connected to the side beam, the second energy absorbing member is connected to the middle beam, and the first energy absorbing member and the second energy absorbing member are both configured to crush and deform after bearing a first set pressure. In the above technical solution, when the first beam is impacted, the first energy absorbing member and the second energy absorbing member are subjected to force first and crush and deform, and the first energy absorbing member and the second energy absorbing member are both crushed and deformed in the axial direction, which can fully absorb energy, thereby reducing the load borne by the first beam and the middle beam.

[0021] According to some embodiments of the present application, the first energy absorbing member and the second energy absorbing member are both disposed through the first beam. In the above technical solution, when the first beam is impacted, the first energy absorbing member and the second energy absorbing member are both axially crushed and deformed, which can fully absorb energy and reduce the stress on the first beam.

[0022] According to some embodiments of the present application, the first beam is a threshold beam, and a portion of the side wall of the warehouse body is defined by the first beam. In the above technical solution, the first beam can be used as a portion of the warehouse body, and a portion of the warehouse body side beams can be omitted, so that the warehouse body and the threshold beam are combined into one, ensuring space for the battery unit to be arranged, simplifying the overall structure of the side column impact protection structure, and reducing the cost of the side column impact protection structure parts.

[0023] In a second aspect, the present application also proposes a vehicle body having the side pole impact protection structure in the above-mentioned embodiment.

[0024] In a third aspect, the present application also proposes a vehicle having a vehicle body according to the above embodiment.

[0025] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the preferred embodiments below. The accompanying drawings are only for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present application. Moreover, the same reference numerals are used throughout the drawings to represent the same components. In the drawings:

[0027] Figure 1 This is a structural diagram above the top cover of the side column impact protection structure according to an embodiment of the present application.

[0028] Figure 2 This is a structural diagram below the top cover of the side column impact protection structure according to an embodiment of the present application.

[0029] Figure 3This is a structural diagram of the top cover above the first beam after the side column impact protection structure is hidden according to an embodiment of the present application.

[0030] Figure 4 yes Figure 3 The middle circle shows an enlarged view of point A.

[0031] Figure 5 is a schematic diagram of a vehicle according to an embodiment of the present application.

[0032] The reference numerals in the specific implementation manner are as follows:

[0033] 1. Side column collision protection structure;

[0034] 10. Top cover;

[0035] 21. Part I; 22. Part II;

[0036] 30a, first buffer cavity; 31, first energy absorbing member; 32, second energy absorbing member;

[0037] 40. First beam;

[0038] 50, side beam; 50a, second buffer chamber;

[0039] 60. middle beam; 70. fixed connector;

[0040] 1000. Vehicles. DETAILED DESCRIPTION

[0041] The following embodiments of the technical solution of the present application are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0042] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" in the specification and claims of this application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions.

[0043] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "multiple" is more than two, unless otherwise clearly and specifically defined.

[0044] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0045] In the description of the embodiments of the present application, the term "and / or" is only a description of the association relationship of the associated objects, indicating that there may be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0046] In the description of the embodiments of the present application, the term "multiple" refers to more than two (including two). Similarly, "multiple groups" refers to more than two groups (including two groups), and "multiple pieces" refers to more than two pieces (including two pieces).

[0047] In the description of the embodiments of the present application, the technical terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the embodiments of the present application.

[0048] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, technical terms such as "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0049] At present, from the perspective of market development, the application of power batteries is becoming more and more extensive. Power batteries are not only used in energy storage power systems such as hydropower, thermal power, wind power and solar power stations, but also widely used in electric vehicles such as electric bicycles, electric motorcycles, electric cars, as well as military equipment and aerospace and other fields. With the continuous expansion of the application field of power batteries, the market demand is also constantly expanding.

[0050] In the related art, vehicles are generally provided with battery cells for power supply, which can be arranged in the compartment body and constitute a chemical compartment, and the edge of the chemical compartment is generally provided with a threshold beam, which is arranged in the same direction as the vehicle's travel direction and is located on the side of the vehicle, and is generally connected to the cross beams in front and behind the seats, and the arrangement direction of the cross beams in front and behind the seats is consistent with the vehicle width direction. When the vehicle is hit from the side, the threshold beam is subjected to force and absorbs energy and deforms, and the remaining energy of the load is transmitted to the other side of the vehicle body through the cross beams in front and behind the seats to reduce the damage to the battery cells caused by the side collision force, thereby improving the protection effect on the battery cells.

[0051] However, due to the single structure of the sill beam and its limited energy absorption capacity, the sill beam and the cross beams before and after the seats are subjected to a large impact force, causing the sill beam and the cross beams before and after the seats to easily collapse and deform, greatly affecting the safety performance of the vehicle.

[0052] In order to improve at least one of the above technical problems, in the embodiment of the present application, a side column collision protection structure is provided, which specifically includes: a first beam, a plurality of first cross beams and an energy absorbing structural member. The first beam extends along a first direction; the plurality of first cross beams are arranged at intervals along the first direction, each first cross beam extends along a second direction, the ends of the plurality of first cross beams are respectively connected to the first beam, and the first direction and the second direction have an angle; the energy absorbing structural member is provided on the first beam, and the energy absorbing structural member is configured to be crushed and deformed after being subjected to a first set pressure.

[0053] By arranging an energy-absorbing structural member on the first beam, the energy-absorbing structural member can bear a part of the impact force after the first beam is hit from the side, thereby reducing the load of the remaining impact force borne by the first beam, improving the protective effect of the energy-absorbing structural member on the first beam, improving the energy absorption capacity of the first beam, and reducing the force on the first beam.

[0054] Furthermore, in order to further reduce the force on the first beam, in an embodiment of the present application, a plurality of first cross beams are connected to the first beam so that the plurality of first cross beams can jointly bear the residual load of the impact force.

[0055] In short, in the context of increasing attention paid to vehicle safety performance, the side column impact protection structure of the embodiment of the present application can enhance the energy absorption capacity of the first beam, reduce the force on the first beam, and ensure the safety performance of the vehicle.

[0056] The side column collision protection structure disclosed in the embodiment of the present application can be applied to vehicles, and the vehicles can be fuel vehicles, gas vehicles or new energy vehicles, and the new energy vehicles can be pure electric vehicles, hybrid vehicles or extended-range vehicles, etc. At the same time, the side column collision protection structure disclosed in the embodiment of the present application can be set at any position of the vehicle according to needs. For example, the side column collision protection structure disclosed in the embodiment of the present application can be set at the top of the vehicle, and the side column collision protection structure there can reduce the force on the top of the vehicle during a side collision. The side column collision protection structure disclosed in the embodiment of the present application can also be applied to the bottom of the vehicle, and the side column collision protection structure there can reduce the force on the bottom of the vehicle during a side collision. When the battery assembly is set at the bottom of the vehicle, the side column collision protection structure can reduce the damage to the chemical chamber caused by the impact force of the side collision, and improve the protection effect on the chemical chamber. The position where the side column collision protection structure can be set is not limited here.

[0057] For the convenience of description, the following embodiments are described by taking a side pole impact protection structure 1, a vehicle body and a vehicle 1000 according to an embodiment of the present application as an example.

[0058] Reference below Figure 1-Figure 4 A side pole impact protection structure 1 according to an embodiment of the present application is described.

[0059] like Figure 1 As shown, the side column impact protection structure 1 according to the present application includes: a first beam, a plurality of first cross beams 40 and an energy absorbing structural member. The first beam extends along a first direction; the plurality of first cross beams 40 are arranged at intervals along the first direction, each first cross beam 40 extends along a second direction, the ends of the plurality of first cross beams 40 are respectively connected to the first beam, and the first direction and the second direction have an angle; the energy absorbing structural member is arranged on the first beam, and the energy absorbing structural member is configured to be crushed and deformed after being subjected to a first set pressure.

[0060] Since the energy-absorbing structural member and the first crossbeam 40 are both connected to the first beam, after the first beam is subjected to the impact force, part of the impact force can be absorbed by the energy-absorbing structural member, and the energy-absorbing structural member is crushed after bearing a certain pressure, so as to reduce the impact force borne by the first beam and the first crossbeam 40; the remaining impact force can be dispersed to the second direction by the first crossbeam 40 extending along the second direction, and is jointly borne by multiple first crossbeams 40, so as to reduce the force borne by a single first crossbeam 40. Specifically, after the energy-absorbing structural member is subjected to the first set pressure and crushed and deformed, the remaining load of the impact force is borne by the first beam and the first crossbeam 40. The energy-absorbing structural member can reduce the force borne by the first beam and the first crossbeam 40, and improve the bending resistance of the first beam and the first crossbeam 40. The first beam extending along the first direction can be parallel to the first direction, or the direction in which the first beam extends forms a certain angle with the first direction, and the first crossbeam 40 extending along the second direction can be parallel to the second direction, or the direction in which the first crossbeam 40 extends forms a certain angle with the second direction.

[0061] In some embodiments, the energy absorbing structural member may extend along the second direction. The impact force received by the first beam is generally perpendicular to the extension direction of the first beam, that is, the impact force is generally perpendicular to the first direction. The energy absorbing structural member is designed to extend in the second direction and the second direction forms an angle with the first direction, so that the energy absorbing structural member can withstand a portion of the impact force perpendicular to the first direction, and a portion of the impact force is borne by the energy absorbing structural member. When the energy absorbing structural member withstands the impact force reaching a first set pressure, the energy absorbing structural member is crushed and deformed. When the impact force received by the energy-absorbing structural member comes from the second direction, the energy-absorbing structural member can be deformed along the second direction after being crushed. At this time, the energy-absorbing structural member can fully absorb energy, and the residual load of the impact force is smaller, so the energy-absorbing structural member has a better protection effect on the first beam and the first cross beam 40. Alternatively, the energy-absorbing structural member can receive an impact force from the first direction or other directions, and at least part of the energy-absorbing structural member can be deformed along the first direction or other directions to reduce the force on the first beam and the first cross beam 40. That is, when the setting direction of the energy-absorbing structural member is consistent with the force direction, the energy-absorbing structural member can absorb energy more fully and reduce the force on the first beam better.

[0062] According to the side column impact protection structure 1 of the present application, an energy-absorbing structural member is provided on the first beam. After the first beam is subjected to an impact force, the energy-absorbing structural member can bear a part of the impact force, reduce the residual load of the impact force, reduce the impact force borne by the first beam and the first cross beam 40, and improve the protection effect of the energy-absorbing structural member on the first beam and the first cross beam 40. At the same time, multiple first cross beams 40 can jointly bear the residual load of the impact force, which can reduce the impact force borne by a single first cross beam 40. The energy-absorbing structural member and multiple first cross beams 40 can disperse and absorb the impact force borne by the first beam, thereby improving the bending strength of the first beam.

[0063] In some embodiments, the first cross beam 40 may be a cross beam at a seat, and a plurality of first cross beams 40 may be distributed in front of the seat and / or behind the seat.

[0064] In some embodiments, the first direction is orthogonal to the second direction, and the setting direction of the energy absorbing structural member and the setting direction of the multiple first beams 40 are consistent with the force direction of the first beams, so that the energy absorbing structural member can fully absorb energy and the multiple first beams 40 are fully stressed, effectively reducing the force on the first beams.

[0065] At present, the improvement is generally carried out by increasing the material strength grade of the threshold beam and the cross beams before and after the seats or increasing the material thickness of the threshold beam and the cross beams before and after the seats. However, these methods have the problems of high cost, heavy weight, and inconvenience in lightweighting the whole vehicle. By connecting multiple first cross beams to the first beam, the multiple first cross beams can jointly bear the residual load of the impact force, reducing the impact force borne by a single first cross beam, which is conducive to reducing the weight and cost of the side column impact protection structure.

[0066] According to some embodiments of the present application, Figure 1-Figure 4 As shown, the energy absorbing structure includes at least one first buffer cavity 30a extending along the second direction. Specifically, the first buffer cavity 30a extending along the second direction can buffer the impact force from the second direction received by the energy absorbing structure. The first buffer cavity 30a can be constructed as a plurality of buffer cavities to enhance the ability of the energy absorbing structure to withstand the force from the second direction, so that the energy absorbing structure can fully absorb energy and crush and deform. Alternatively, the energy absorbing structure also includes a plurality of buffer cavities extending along the first direction or other directions, so as to withstand the impact force from the first direction or other directions received by the energy absorbing structure, and significantly reduce the force on the first beam and the first cross beam 40.

[0067] According to some embodiments of the present application, the cross section of the energy absorbing structural member is formed into a honeycomb shape, and the cross section is perpendicular to the second direction. In some embodiments, the cross section of the energy absorbing structural member perpendicular to the second direction is configured into a honeycomb shape, which can enhance the ability of the energy absorbing structural member to withstand pressure in the second direction, and can also enhance the structural strength of the energy absorbing structural member itself. Alternatively, the cross section of the energy absorbing structural member perpendicular to other directions is also configured into a honeycomb shape to enhance the ability of the energy absorbing structural member to withstand pressure in other directions.

[0068] According to some embodiments of the present application, Figure 1-Figure 4 As shown, in the second direction, the ends of at least two first beams 40 are connected by side beams 50, and the side beams 50 are fixed to the first beam. Specifically, at least two first beams 40 are connected to the first beam through the side beams 50, and the side beams 50 are provided to connect the at least two first beams 40 as a whole, so that the force from the first beam borne by the side beams 50 can be dispersed to at least two first beams 40, so that at least two first beams 40 are subjected to force together, and the impact force borne by a single first beam 40 can be reduced. In some embodiments, after the first beam is subjected to force, the force is divided into two parts, wherein the energy absorbing structure at the first beam absorbs a part of the force, and the remaining force of the part of the force is borne by the first beam, and the other part of the force is transmitted to the side beams 50, and the side beams 50 can disperse the other part of the force to at least two first beams 40. When the energy absorbing structure is provided, the side beams 50 are provided at the same time, so that the impact force borne by the first beam can be further dispersed, and the bending strength of the first beam can be improved.

[0069] In some embodiments, the first cross beam 40 is configured in plurality, and two adjacent first cross beams 40 are connected to one side beam 50 , and the remaining first cross beams 40 are directly connected to the first beam. In other embodiments, the first cross beam 40 is configured in plurality and connected to the same side beam 50 .

[0070] According to some embodiments of the present application, the side beam 50 is constructed to be crushed and deformed after being subjected to a second set pressure. Specifically, after the side beam 50 is crushed and deformed by force, the other part of the force can be blocked from being transmitted to at least two first beams 40 connected to the side beam 50, which can reduce the force on the first beam 40, and the crushing and deformation of the side beam 50 can also increase the absorption of collision energy by the side beam 50. It can be understood that the second set pressure can be the same as or different from the first set pressure, and can be tested or calculated according to the specific structure of the side beam 50 and the energy-absorbing structural member, and the size of the second set pressure and the first set pressure is not limited here.

[0071] According to some embodiments of the present application, Figure 1-Figure 4 As shown, the side beam 50 includes at least one second buffer cavity 50a extending along the first direction. Specifically, the second buffer cavity 50a can buffer the force on the side beam 50 to reduce the force transmitted from the side beam 50 to the plurality of first beams 40, thereby reducing the force on each first beam 40. The second buffer cavity 50a is provided so that the side beam 50 can fully absorb energy and crush and deform, thereby reducing the force on the first beam and the first beam 40. Alternatively, the side beam 50 also includes a plurality of buffer cavities extending along other directions to enhance the ability of the side beam 50 to bear force and further reduce the force on the first beam.

[0072] In some embodiments, the side beam 50 extends in the same direction as the first beam. The second buffer cavity 50a of the side beam 50 can absorb energy and crush and deform when the first beam is subjected to force, thereby increasing the amount of collision energy absorbed by the side beam 50 on the first beam.

[0073] According to some embodiments of the present application, Figure 1-Figure 4 As shown, in the second direction, the end of the energy absorbing structural member is connected to the side beam 50, and the force transmitted from the first beam to the side beam 50 can be absorbed by the energy absorbing structural member, which can enhance the energy absorbing effect of the energy absorbing structural member and reduce the force on the side beam 50.

[0074] In some embodiments, the energy absorbing structural member is configured to be at least one and is connected to the side beam 50 , so that the energy absorbing structural member can absorb the force transmitted to the first beam and the side beam 50 , thereby reducing the force borne by the first beam and the side beam 50 .

[0075] In some embodiments, one side surface of the side beam 50 in the second direction is connected to at least two first cross beams 40 by welding, and the other side surface of the side beam 50 in the second direction is connected to the first beam by a fixing member such as a screw. The first beam, the side beam 50 and the plurality of first cross beams 40 are connected without gaps, which can ensure that the force transmission path of the side collision is not interrupted, ensure the force transmission effect, and thus ensure the energy absorption effect of the energy absorption structure.

[0076] In some embodiments, the other side surface of the side beam 50 in the second direction is connected to the first beam by a fastener.

[0077] According to some embodiments of the present application, Figure 1-Figure 2 As shown, the energy absorbing structural member is passed through the first beam so that at least part of the energy absorbing structural member is located inside the first beam. In some embodiments, the energy absorbing structural member extends in the second direction. When the first beam is subjected to an impact force perpendicular to the first direction, the energy absorbing structural member bears a part of the impact force perpendicular to the first direction. When the energy absorbing structural member is subjected to the impact force reaching a first set pressure, it is crushed and deformed to reduce the load borne by the first beam.

[0078] In current vehicles, the inner door sill beam is arranged between the outer door sill beam and the chemical chamber and connected to the fixed bracket of the chemical chamber. Since there is a gap between the inner door sill beam and the outer door sill beam and the gap is located on the force transmission path of the side column impact, the gap causes a vacancy in the force transmission structure of the side column impact, which will cause the deformation and intrusion of the inner and outer door sill beams to increase, and the protection performance of the battery cell is poor.

[0079] According to some embodiments of the present application, the side column impact protection structure 1 also includes a bin body (not shown), and a storage space for holding battery cells is provided in the bin body. In some embodiments, the bin body includes a box body and a top cover 10 suitable for cooperating with the box body. The box body and the top cover 10 cooperate to define a storage space suitable for holding battery cells. In this case, the battery cells can be placed in the box body or can be hoisted on the top cover 10, which is not limited here. In some embodiments, the top cover 10 can be the floor of the vehicle body, in which case the side column impact protection structure 1 is located as a whole at the bottom of the vehicle, or the top cover 10 can be constructed as a cooling plate suitable for heat exchange with the battery cells, which is not limited here. The first beam is generally arranged on the side of the top cover 10. The energy-absorbing structural member and the side beam 50 provided in the side column impact protection structure 1 can disperse the impact force borne by the first beam, improve the bending strength of the first beam, reduce the deformation of the first beam, avoid the deformation of the first beam and invade the storage space, and strengthen the protection of the battery cells.

[0080] In some embodiments, the battery unit is a battery cell.

[0081] According to some embodiments of the present application, Figure 2As shown, the side column impact protection structure 1 further includes an intermediate beam 60 disposed in the storage space, the intermediate beam 60 extends along the second direction, the intermediate beam 60 is disposed below the top cover 10 of the compartment body, and the intermediate beam 60 is fixed to at least one first cross beam 40. Specifically, the first cross beam 40 and the intermediate beam 60 both extend along the second direction. In some embodiments, the side beam 50 is located above the top cover 10 in the height direction of the vehicle 1000 and is connected to the first beam. The side beam 50 and the plurality of first cross beams 40 form an upper force transmission path of the first beam above the top cover 10. The box body of the compartment body is located below the top cover 10 in the height direction of the vehicle 1000. The intermediate beam 60 is located in the storage space and can be connected to the first beam to form a lower force transmission path of the first beam below the top cover 10. By fixing the intermediate beam 60 to at least one first cross beam 40, the upper force transmission path and the lower force transmission path can transmit force as a whole, thereby improving the overall load transmission capacity, reducing the effect of the first beam bearing the impact force, and improving the bending resistance of the first beam.

[0082] According to some embodiments of the present application, Figure 2 As shown, the middle beam 60 is fixed to one of the first beams 40 through a plurality of fixed connectors 70, forming an overall force transmission, improving the overall load transmission capability, and the middle beam 60 and the first beam 40 have more fixed points, making the fixed connection between the middle beam 60 and the first beam 40 more stable.

[0083] According to some embodiments of the present application, Figure 2 As shown, in the second direction, a portion of the energy absorbing structural member is arranged opposite to the middle beam 60. Specifically, the energy absorbing structural member and the middle beam 60 both extend along the second direction, so that part of the energy absorbing structural member is opposite to the middle beam 60, so that the part of the energy absorbing structural member can absorb part of the impact force to reduce the force on the middle beam 60, and can reduce the pressure of the load transmitted by the force transmission path below.

[0084] According to some embodiments of the present application, Figure 2 As shown, a part of the energy absorbing structural member is connected to the middle beam 60. In some embodiments, the energy absorbing structural member can be subjected to force first to be crushed and deformed. After fully absorbing energy, the remaining load is then transferred to the middle beam 60, which can effectively reduce the load borne by the middle beam 60 and the first cross beam 40, and reduce the pressure of the load transmitted by the upper force transmission path and the lower force transmission path. In some embodiments, the energy absorbing structural member is directly opposite to and connected to the end of the middle beam 60 facing the first beam, so that the middle beam 60 is fixedly connected to the first beam to form a force transmission path below the top cover 10. Such an arrangement can also strengthen the structural strength of the middle beam 60 and enhance the ability of the middle beam 60 to withstand pressure.

[0085] According to some embodiments of the present application, Figure 1-Figure 4As shown, the energy-absorbing structural member includes a first energy-absorbing member 31 and a second energy-absorbing member 32. The first energy-absorbing member 31 and the second energy-absorbing member 32 are arranged at intervals in the up-down direction. The first energy-absorbing member 31 is connected to the side beam 50, and the second energy-absorbing member 32 is connected to the intermediate beam 60. Both the first energy-absorbing member 31 and the second energy-absorbing member 32 are configured to be crushed and deformed after withstanding a first set pressure. In some embodiments, both the first energy-absorbing member 31 and the second energy-absorbing member 32 penetrate through the first beam. The first energy-absorbing member 31 is connected to the side beam 50 and is axially parallel and facing the first cross beam 40. The second energy-absorbing member 32 is axially parallel and facing the intermediate beam 60. When the first beam is impacted, the first energy-absorbing member 31 and the second energy-absorbing member 32 are preferentially stressed and crushed and deformed, and both the first energy-absorbing member 31 and the second energy-absorbing member 32 are crushed and deformed axially, so that energy can be fully absorbed, thereby reducing the loads borne by the first cross beam 40 and the intermediate beam 60.

[0086] In some embodiments, the first energy-absorbing member 31 is connected to the side beam 50 and is facing the end of one of the first cross beams 40. The first energy-absorbing member 31 is formed with two first buffer cavities 30a. The arrangement direction of the two first buffer cavities 30a is the same as the extension direction of the side beam 50 and the first beam, and each first buffer cavity 30a extends along the second direction, which can enhance the ability of the first energy-absorbing member 31 to withstand the force in the second direction, enable the energy-absorbing structural member to absorb energy more fully and be crushed and deformed, and reduce the stress on the side beam 50 and the first beam.

[0087] In some embodiments, the second energy-absorbing member 32 is facing and connected to the end of the intermediate beam 60. The second energy-absorbing member 32 is formed with two first buffer cavities 30a. The two first buffer cavities 30a are arranged in sequence in the direction away from the top cover 10, and each first buffer cavity 30a extends along the second direction, which can enhance the ability of the first energy-absorbing member 31 to withstand the force in the second direction, enable the energy-absorbing structural member to absorb energy more fully and be crushed and deformed, and reduce the stress on the intermediate beam 60 and the first beam.

[0088] In some embodiments, the first cross beams 40 are configured as multiple and are all connected to the side beam 50, and one first energy-absorbing member 31 is arranged inside each first cross beam 40.

[0089] In some embodiments, the cross-sections of the first energy-absorbing member 31 and the second energy-absorbing member 32 in the first direction can be closed rolled cross-sections.

[0090] In some embodiments, the cross-sections of the first energy-absorbing member 31 and the second energy-absorbing member 32 in the first direction can be in the shape of a Chinese character 'Ri', 'Kou', 'Mu', 'Tian', etc., as long as the structural strength is ensured.

[0091] In some embodiments, the first energy-absorbing member 31 and the second energy-absorbing member 32 can be made of energy-absorbing materials such as steel, aluminum alloy profiles, honeycomb aluminum, composite materials, etc., as long as the energy-absorbing effect is ensured.

[0092] According to some embodiments of the present application, Figure 1-Figure 4 As shown, the first energy absorbing member 31 and the second energy absorbing member 32 are both disposed through the first beam. In some embodiments, the first energy absorbing member 31 is embedded in the upper portion of the first beam in the height direction of the vehicle 1000 and is axially parallel to and directly opposite to the first cross beam 40, and the second energy absorbing member 32 is embedded in the lower portion of the first beam in the height direction and is axially parallel to and directly opposite to the middle beam 60. When the first beam is impacted, the first energy absorbing member 31 and the second energy absorbing member 32 are subjected to force first and are crushed and deformed, and the first energy absorbing member 31 and the second energy absorbing member 32 are both crushed and deformed in the axial direction, which can fully absorb energy and reduce the force on the first beam.

[0093] In some embodiments, the first beam includes a first portion 21 and a second portion 22 arranged in parallel, wherein the first portion 21 is connected to the side beam 50, the first energy absorbing member 31 is sequentially passed through the first portion 21, the side beam 50 and a first cross beam 40, the second portion 22 is directly opposite to the middle beam 60 in the second direction, and the second energy absorbing member 32 is sequentially passed through the second portion 22 and the middle beam 60.

[0094] In current vehicles, the inner door sill beam is disposed between the outer door sill beam and the chemical compartment and connected to a fixed bracket of the chemical compartment. The inner door sill beam will occupy the space of the chemical compartment, resulting in a reduction in the space available for arranging battery cells.

[0095] According to some embodiments of the present application, the first beam is a threshold beam, and a portion of the side wall of the warehouse body is defined by the first beam. In some embodiments, the first beam can be used as a portion of the warehouse body, and a portion of the warehouse body side beams can be omitted, thereby realizing the integration of the warehouse body and the threshold beam into one, ensuring space for the arrangement of battery units, simplifying the overall structure of the side column impact protection structure 1, and reducing the parts cost of the side column impact protection structure 1.

[0096] In some embodiments of the present application, Figure 1-Figure 4As shown, the side column impact protection structure 1 includes a top cover 10, a first beam, two first cross beams 40, a side beam 50, an intermediate beam 60 and an energy absorbing structural member. Among them, a first beam extending along the first direction is arranged on one side of the top cover 10 in the second direction, the side beam 50 is located above the top cover 10 and extends along the first direction, the two first cross beams 40 are also located above the top cover 10 and extend along the second direction, the intermediate beam 60 is located below the top cover 10 and extends along the first direction, and the energy absorbing structural member includes a first energy absorbing member 31 and a second energy absorbing member 32 extending along the second direction, and the first direction is orthogonal to the second direction. The first beam includes a first portion 21 and a second portion 22 which are parallel and respectively arranged on the upper and lower sides of the top cover 10. The first portion 21 is connected to one side surface of the side beam 50 in the second direction. The other side surface of the side beam 50 in the second direction is welded to the ends of the two first cross beams 40 located on the same side in the second direction. The first energy absorbing member 31 is penetrated through the first portion 21 and connected to the side beam 50 and directly opposite to one of the first cross beams 40. The second portion 22 is directly opposite to the middle beam 60 in the second direction. The second energy absorbing member 32 is penetrated through the second portion 22 and directly connected to the end of the middle beam 60. The middle beam 60 is fixed to the first cross beam 40 provided with the first energy absorbing member 31 through a plurality of fixing connectors 70.

[0097] When the first beam is subjected to an impact force, the impact force is dispersed to the upper side of the top cover 10 and the lower side of the top cover 10 by the first part 21 and the second part 22 located on the upper and lower sides of the top cover 10 respectively. The impact force exerted on the first part 21 is absorbed by the first energy absorbing member 31. After the first energy absorbing member 31 is crushed, the remaining force is transmitted to the side beam 50. After the side beam 50 absorbs the force until it is crushed, the remaining force is borne by the two first cross beams 40 respectively; the impact force exerted on the second part 22 is absorbed by the second energy absorbing member 32. After the second energy absorbing member 32 is crushed, the remaining force is transmitted to the middle beam 60. At the same time, since the middle beam 60 is fixedly connected to a first cross beam 40, the middle beam 60 can transmit the pressure borne by each other with the first cross beam 40, so that the upper and lower sides of the top cover 10 have better load transmission capabilities, which can effectively reduce the impact force borne by the first beam, reduce the force on the first beam, and improve the bending resistance of the first beam.

[0098] The vehicle body according to the present application is briefly described below.

[0099] The vehicle body according to the present application includes the side pole impact protection structure 1 described in any one of the above embodiments. Since the vehicle body according to the present application is provided with the side pole impact protection structure 1 of the above embodiments, the vehicle body has better bending resistance and higher safety performance.

[0100] The vehicle 1000 according to the present application is briefly described below.

[0101] like Figure 5As shown, the vehicle 1000 according to the present application includes the vehicle body described in the above embodiment. Since the vehicle 1000 according to the present application is provided with the vehicle body of the above embodiment, the safety performance of the vehicle 1000 is better.

[0102] The vehicle 1000 of the present application may be a fuel vehicle, a gas vehicle or a new energy vehicle, and the new energy vehicle may be a pure electric vehicle, a hybrid vehicle or an extended-range vehicle, etc. The interior of the vehicle 1000 is provided with a floor, which may be located on the body of the vehicle 1000 and may carry in-vehicle structures such as seats and battery units, and at least part of the floor may be constructed as a roof 10 of the compartment.

[0103] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification.

[0104] Although embodiments of the present application have been shown and described above, changes, modifications, substitutions and variations may be made to the embodiments described above.

Claims

1. A side column collision protection structure, characterized in that: include: a first beam extending along a first direction; A plurality of first cross beams, wherein the plurality of first cross beams are arranged at intervals along the first direction, each of the first cross beams extends along the second direction, ends of the plurality of first cross beams are respectively connected to the first beams, and the first direction and the second direction have an angle; An energy absorbing structural member is provided on the first beam, and is configured to be crushed and deformed after being subjected to a first set pressure.

2. The side pole impact protection structure according to claim 1, characterized in that: The energy absorbing structural member includes at least one first buffer cavity extending along the second direction.

3. The side pole impact protection structure according to claim 1, characterized in that: The cross section of the energy absorbing structural member is formed in a honeycomb shape, and the cross section is perpendicular to the second direction.

4. The side pole impact protection structure according to claim 1, characterized in that: In the second direction, ends of at least two of the first beams are connected by side beams, and the side beams are fixed to the first beams.

5. The side pole impact protection structure according to claim 4, characterized in that: The side beam is configured to be crushed and deformed after being subjected to a second set pressure.

6. The side pole impact protection structure according to claim 5, characterized in that: The side beam includes at least one second buffer cavity extending along the first direction.

7. The side pole impact protection structure according to claim 4, characterized in that: In the second direction, the end of the energy absorbing structural member is connected to the side beam.

8. The side pole impact protection structure according to claim 7, characterized in that: The energy absorbing structural member is disposed through the first beam.

9. The side pole impact protection structure according to any one of claims 4 to 8, characterized in that: Also includes: A storage body is provided with a storage space for storing battery cells.

10. The side pole impact protection structure according to claim 9, characterized in that: The side column impact protection structure also includes a middle beam arranged in the containing space, the middle beam extends along the second direction, the middle beam is arranged below the top cover of the warehouse body, and the middle beam is fixed to at least one of the first cross beams.

11. The side pole impact protection structure according to claim 10, characterized in that: The intermediate beam is fixed to one of the first cross beams via a plurality of fixing connectors.

12. The side pole impact protection structure according to claim 10, characterized in that: In the second direction, a portion of the energy absorbing structural member is disposed opposite to the middle beam.

13. The side pole impact protection structure according to claim 12, characterized in that: A portion of the energy absorbing structural member is connected to the middle beam.

14. The side pole impact protection structure according to claim 13, characterized in that: The energy absorbing structural member includes a first energy absorbing member and a second energy absorbing member, the first energy absorbing member and the second energy absorbing member are arranged at intervals in the up and down directions, the first energy absorbing member is connected to the side beam, and the second energy absorbing member is connected to the middle beam, and the first energy absorbing member and the second energy absorbing member are both configured to collapse and deform after receiving a first set pressure.

15. The side pole impact protection structure according to claim 14, characterized in that: The first energy absorbing member and the second energy absorbing member are both disposed through the first beam.

16. The side pole impact protection structure according to claim 9, characterized in that: The first beam is a threshold beam, and a portion of the side wall of the warehouse body is defined by the first beam.

17. A vehicle body, characterized in that: It comprises a side pole impact protection structure according to any one of claims 1-16.

18. A vehicle, characterized in that: Comprising a vehicle body according to claim 17.

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