Energy absorption box device, vehicle body assembly and vehicle

Abstract

The utility model discloses an energy absorption box device, vehicle body assembly and vehicle, energy absorption box device is used for connecting with auxiliary frame, and includes: energy absorption box body and connecting column, be provided with connecting piece between energy absorption box body with connecting column, energy absorption box body is connected with auxiliary frame through connecting column. According to the energy absorption box device designed in the utility model designs connecting piece between energy absorption box body and connecting column, and the force transmission between energy absorption box device and auxiliary frame is balanced, to avoid the partial force transmission between energy absorption box device and auxiliary frame, improve the crashworthiness and low -speed crash safety performance, and reduced maintenance economic cost.

Description

[0001] Cross-references to related applications

[0002] This application claims priority to Chinese patent application No. 2024230622239, filed on December 11, 2024, entitled “Energy Absorbing Box Device, Body Component and Vehicle”, the entire contents of which are incorporated herein by reference. Technical Field

[0003] This utility model relates to the field of vehicles, and in particular to an energy-absorbing box device, a body component, and a vehicle. Background Technology

[0004] In related technologies, the vehicle body is equipped with an energy-absorbing box device. In some existing technologies, the energy-absorbing box is connected to the vehicle body by mounting bolts. Some structures of the energy-absorbing box and the vehicle body have holes suitable for the mounting bolts to pass through. The structural strength of this part is poor. When the vehicle is hit by a collision, this part is easily damaged and deformed, resulting in the need for repair and replacement of the entire vehicle body. This results in poor crashworthiness and high repair costs. Utility Model Content

[0005] This invention aims to solve at least one of the technical problems existing in the prior art. Therefore, one objective of this invention is to provide an energy-absorbing box device. The energy-absorbing box device designed according to this invention incorporates a connector between the energy-absorbing box body and the connecting column to balance the force transmission between the energy-absorbing box device and the subframe, thereby avoiding localized force transmission between the energy-absorbing box device and the subframe, improving crashworthiness and low-speed collision safety performance, and reducing maintenance costs.

[0006] This utility model also proposes a vehicle body component and a vehicle having the above-mentioned energy-absorbing box device.

[0007] The energy-absorbing box device according to this utility model is used to connect with a subframe, and includes: an energy-absorbing box body and a connecting column, wherein a connector is provided between the energy-absorbing box body and the connecting column, and the energy-absorbing box body is connected to the subframe through the connecting column.

[0008] The energy-absorbing box device of this utility model is designed with a connector between the energy-absorbing box body and the connecting column, so that the force transmission between the energy-absorbing box device and the subframe does not directly act on the connecting column, effectively reducing the damage to the subframe caused by the connecting column in low-speed collisions, avoiding the risk of damage at the connection between the energy-absorbing box device and the subframe in low-speed collisions, effectively improving the safety performance of low-speed collisions, with ingenious structure, high reliability, improved crashworthiness, and reduced maintenance costs.

[0009] According to some embodiments of the present invention, at least a portion of the energy-absorbing box body and the connecting column are provided with the connecting member.

[0010] According to some embodiments of the present invention, the connecting post passes through the connecting member.

[0011] According to some embodiments of the present invention, at least one end of the connector is provided with a stepped portion, which abuts against the energy-absorbing box body.

[0012] According to some embodiments of the present invention, the stepped portion is recessed in the direction from the energy-absorbing box body to the connecting post, so as to accommodate the connecting end of the energy-absorbing box body.

[0013] According to some embodiments of the present invention, the energy-absorbing box body has an energy-absorbing cavity, at least a portion of the connector is located in the energy-absorbing cavity and covers the outer peripheral surface of the portion of the connecting post located in the energy-absorbing cavity, and the inner wall of the connector is adapted to the connecting post.

[0014] According to some embodiments of this utility model, the connector is constructed as a cylindrical body.

[0015] According to some embodiments of the present invention, the energy-absorbing box body includes a connecting portion, and the connecting member passes through the connecting portion.

[0016] According to some embodiments of the present invention, there are at least two connecting parts, the connecting post extends along a first direction, the two connecting parts are correspondingly arranged on the energy-absorbing box body along the first direction, and the two connecting parts are used to pass through the same connecting member.

[0017] According to some embodiments of the present invention, the energy-absorbing box device includes: a first energy-absorbing box and a second energy-absorbing box, the first energy-absorbing box and the second energy-absorbing box extending in a second direction and respectively inclined in a direction away from each other, the angle between the sidewalls of the first energy-absorbing box and the second energy-absorbing box facing each other and the second direction is α, and the value of α ranges from 0° to 90°.

[0018] The following is a brief description of a vehicle body assembly according to a second aspect embodiment of the present invention.

[0019] The vehicle body assembly according to this utility model includes: a subframe; an energy-absorbing box device, wherein the energy-absorbing box device is constructed as described in any of the above embodiments, and the energy-absorbing box device is connected to the subframe.

[0020] The vehicle body assembly of this utility model is equipped with an energy-absorbing box device, which prevents the force transmission between the energy-absorbing box body and the subframe from directly acting on the connecting column. This effectively reduces the damage to the subframe caused by the connecting column in low-speed collisions, avoids the risk of damage at the connection between the energy-absorbing box device and the subframe in low-speed collisions, effectively improves low-speed collision safety performance, has a clever structure, high reliability, improves crashworthiness, and reduces maintenance costs.

[0021] According to some embodiments of the present invention, at least a portion of the energy-absorbing box device and the subframe are provided with a fixing member, the fixing member being adapted to fix the energy-absorbing box device and the subframe.

[0022] According to some embodiments of the present invention, the fastener includes a nut, which is adapted to engage with the threaded portion of the connecting post exposed on the outer surface of the subframe.

[0023] According to some embodiments of the present invention, the vehicle body assembly further includes a reinforcing member, which is disposed at the connection between the energy-absorbing box device and the subframe and is connected to the subframe.

[0024] According to some embodiments of the present invention, at least a portion of the reinforcing member is located on one side of the force transmission direction of the energy-absorbing box body, and is adapted to abut against the connecting column or the connecting member.

[0025] According to some embodiments of the present invention, the reinforcing member is housed inside the subframe and located between the outer surface of the energy-absorbing box body and the inner wall of the subframe.

[0026] According to some embodiments of the present invention, the reinforcing member includes: a fixing plate, the fixing plate being fixedly connected to the inner wall of the subframe, the fixing plate extending toward the connecting post to be adapted to abut against the connecting post.

[0027] According to some embodiments of the present invention, the fixing plate includes a first fixing plate and a second fixing plate, the first fixing plate and the second fixing plate being respectively disposed on the inner wall of the subframe and spaced apart in a first direction.

[0028] According to some embodiments of the present invention, the reinforcing member further includes a connecting plate, which extends in a first direction and is respectively connected to the first fixing plate and the second fixing plate.

[0029] According to some embodiments of the present invention, a first positioning part is provided on the fixing plate, and a second positioning part suitable for positioning and cooperating with the first positioning part is provided inside the subframe.

[0030] According to some embodiments of the present invention, the subframe includes a longitudinal beam, at least a portion of the energy-absorbing box body is sleeved on the outer periphery of the longitudinal beam, or at least a portion of the energy-absorbing box body is housed within the longitudinal beam.

[0031] The vehicle according to a third aspect embodiment of the present invention is briefly described below.

[0032] The vehicle according to this utility model includes the body components described in any of the above embodiments. Since the vehicle according to this utility model is equipped with the body components described in the above embodiments, the vehicle has high crashworthiness and low-speed collision safety performance, and low maintenance cost.

[0033] In summary, the energy-absorbing box device of this utility model, with its connecting component designed between the energy-absorbing box body and the connecting column, can reduce the damage to the subframe caused by the connecting column in low-speed collisions, avoid the risk of damage at the connection between the energy-absorbing box device and the subframe in low-speed collisions, effectively improve low-speed collision safety performance, has a clever structure, high reliability, improves crashworthiness, and reduces maintenance costs.

[0034] Additional aspects and advantages of this 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. Attached Figure Description

[0035] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0036] Figure 1 This is a structural diagram of a vehicle body component according to an embodiment of the present utility model.

[0037] Figure 2 This is a structural diagram of the vehicle body according to an embodiment of the present utility model.

[0038] Figure 3 yes Figure 2 The center circle shows a magnified view of point A.

[0039] Figure 4 yes Figure 3 Cross-sectional view at point BB.

[0040] Figure 5 yes Figure 4 Structural diagram of the central reinforcing component.

[0041] Figure label:

[0042] 100. Body components;

[0043] 1. Main energy-absorbing box; 2. Front longitudinal beam; 3. Secondary crossbeam;

[0044] 4. Energy-absorbing box device; 5. Energy-absorbing box body; 5-0. Connecting part; 5-2. Connecting piece; 5-4. Stepped part; 5-1. Connecting column;

[0045] 6. Subframe; 6-1. Front mounting point; 6-2. Middle mounting point; 6-3. Rear mounting point; 6-4. Fastener; 6-5. First longitudinal beam; 6-6. Second longitudinal beam; 6-7. Hole; 6-8. Crossbeam;

[0046] 5-3, Reinforcing component; 5-5, First fixing plate; 5-6, Second fixing plate; 5-7, Connecting plate. Detailed Implementation

[0047] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0048] In the description of this utility model, it should 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", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0049] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0050] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0051] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0052] In related technologies, the vehicle body is equipped with an energy-absorbing box device. In some existing technologies, the energy-absorbing box is connected to the vehicle body by mounting bolts. Some structures of the energy-absorbing box and the vehicle body have holes suitable for the mounting bolts to pass through. The structural strength of this part is poor. When the vehicle is hit by a collision, this part is easily damaged and deformed, resulting in the need for repair and replacement of the entire vehicle body. This results in poor crashworthiness and high repair costs.

[0053] The following is for reference. Figures 1-5 The energy-absorbing box device 4 according to an embodiment of the present utility model is described.

[0054] like Figures 1-5 As shown, the energy-absorbing box device 4 according to this utility model is used to connect with the subframe 6, and includes: an energy-absorbing box body 5 and a connecting post 5-1. A connecting member 5-2 is provided between the energy-absorbing box body 5 and the connecting post 5-1. The energy-absorbing box body 5 is connected to the subframe 6 through the connecting post 5-1. The energy-absorbing box device 4 is connected to the subframe 6 to form a collision force transmission path. Specifically, the energy-absorbing box body 5 of the energy-absorbing box device 4 is connected to the subframe 6 through the connecting post 5-1, so that the connecting member 5-2 can evenly distribute the force transmitted from the energy-absorbing box body 5 to the connecting post 5-1 on the connecting post 5-1, so as to avoid local force transmission between the energy-absorbing box body 5 and the subframe 6 and balance the force transmission between the energy-absorbing box body 5 and the subframe 6.

[0055] According to this utility model, the energy-absorbing box device 4 has a connecting piece 5-2 designed between the energy-absorbing box body 5 and the connecting column 5-1, so that the force transmission between the energy-absorbing box device 4 and the subframe 6 does not directly act on the connecting column 5-1, effectively reducing the damage caused by the connecting column 5-1 to the subframe 6 in low-speed collisions, realizing the avoidance of the risk of damage at the connection between the energy-absorbing box device 4 and the subframe 6 in low-speed collisions, effectively improving the safety performance of low-speed collisions, with ingenious structure, high reliability, improved crashworthiness, and reduced maintenance costs.

[0056] According to some embodiments of the present invention, at least a connecting member 5-2 is provided between the energy-absorbing box body 5 and the connecting post 5-1. In some embodiments, a gap is formed between the energy-absorbing box body 5 and the connecting post 5-1, and the connecting member 5-2 can be disposed within the gap. Here, the gap can be completely filled with the connecting member 5-2, or the gap can be partially filled with the connecting member 5-2, so as to evenly distribute the force transmitted from the energy-absorbing box device 4 to the connecting post 5-1 on the connecting post 5-1 and reduce collision damage.

[0057] It is understandable that connector 5-2 can be as follows: Figure 4 The single cylindrical structural component shown can also be multiple energy-absorbing and vibration-damping structural components not shown in the attached figure. It can achieve the uniform distribution of the force transmitted from the energy-absorbing box device 4 to the connecting column 5-1 on the connecting column 5-1. Its specific structure is not limited here.

[0058] According to some embodiments of this utility model, the connecting post 5-1 passes through the connecting member 5-2. Here, the energy-absorbing box body 5 has an energy-absorbing cavity inside. When the vehicle body assembly 100 is impacted, the energy-absorbing box body 5 absorbs energy and deforms, and transmits the force to the connecting post 5-1 through the connecting member 5-2. The connecting post 5-1 then transmits the force to the subframe 6. Here, the subframe 6 is part of the vehicle body. In some embodiments, the extension direction of the connecting member 5-2 can be consistent with the extension direction of the connecting post 5-1. The connecting member 5-2 has an installation channel inside suitable for the connecting post 5-1 to pass through. The outer peripheral surface of the connecting post 5-1 abuts against the inner wall of the installation channel. At this time, the connecting member 5-2 can cover the outer peripheral surface of the part of the connecting post 5-1 located in the energy-absorbing cavity, so as to evenly distribute the force transmitted by the energy-absorbing box body 5 to the part of the connecting post 5-1 located in the energy-absorbing cavity.

[0059] According to some embodiments of the present invention, at least one end of the connector 5-2 is provided with a stepped portion 5-4, which abuts against the energy-absorbing box body 5. In some embodiments, the connector 5-2 is configured as a sleeve fitted onto the portion of the connecting post 5-1 located in the energy-absorbing cavity. The sleeve is disposed inside the energy-absorbing cavity, and the end of the sleeve forms a stepped portion 5-4. The end face of the stepped portion 5-4 abuts against the inner wall of the energy-absorbing cavity to prevent the sleeve from moving within the energy-absorbing cavity. The stepped portion 5-4 at the end of the connector 5-2 is designed to abut against the inner wall of the energy-absorbing cavity inside the energy-absorbing box body 5, so that the force transmitted from the connector 5-2 to the connecting post 5-1 is converted into a uniformly distributed force by utilizing the structure of the stepped portion 5-4, thereby effectively and evenly transmitting the collision force to the subframe 6.

[0060] According to some embodiments of this utility model, the stepped portion 5-4 is recessed in the direction from the energy-absorbing box body 5 to the connecting post 5-1 to accommodate the connecting end of the energy-absorbing box body 5. Here, the stepped portion 5-4 and the connecting end of the energy-absorbing box body 5 are directly opposite each other in the force transmission direction, so that they can stop against each other in the force transmission direction during the collision, thereby reducing the displacement of the energy-absorbing box body 5 and dispersing the force exerted by the energy-absorbing box body 5 on the connecting post 5-1, thereby reducing the damage caused by the connecting post 5-1 to the subframe 6.

[0061] According to some embodiments of the present invention, the energy-absorbing box body 5 has an energy-absorbing cavity, at least a portion of the connector 5-2 is located in the energy-absorbing cavity and covers the outer peripheral surface of the portion of the connecting column 5-1 located in the energy-absorbing cavity, the inner wall of the connector 5-2 is adapted to the connecting column 5-1, and at this time the connector 5-2 can cover the outer peripheral surface of the portion of the connecting column 5-1 located in the energy-absorbing cavity so as to evenly distribute the force transmitted by the energy-absorbing box body 5 in the portion of the connecting column 5-1 located in the energy-absorbing cavity.

[0062] Furthermore, the connector 5-2 is constructed as a cylindrical body, which is a sleeve, and an installation channel suitable for the connecting post 5-1 to pass through is formed inside. The outer peripheral surface of the connecting post 5-1 abuts against the inner wall of the installation channel. At this time, the connector 5-2 can cover the outer peripheral surface of the part of the connecting post 5-1 located in the energy absorption cavity, so as to evenly distribute the force transmitted by the energy absorption box body 5 to the part of the connecting post 5-1 located in the energy absorption cavity.

[0063] According to some embodiments of the present invention, the energy-absorbing box body 5 includes a connecting portion 5-0, and a connecting member 5-2 passes through the connecting portion 5-0. Here, the energy-absorbing box body 5 forms a connecting portion 5-0 that communicates with the energy-absorbing cavity. The connecting member 5-2 is received inside the energy-absorbing cavity and is limited to fit with the inner edge of the connecting portion 5-0. In some embodiments, the outer peripheral surface of the stepped portion 5-4 abuts against the inner wall of the connecting portion 5-0 to limit the fit with the inner edge of the connecting portion 5-0.

[0064] According to some embodiments of the present invention, there are at least two connecting portions 5-0, and the connecting post 5-1 extends along a first direction. The two connecting portions 5-0 are correspondingly disposed in the energy-absorbing box body 5 along the first direction, and the two connecting portions 5-0 are used to pass through the same connecting member 5-2. In some embodiments, the connecting portions 5-0 are constructed as two holes facing each other in the energy-absorbing box body 5 along the first direction. The two ends of the connecting member 5-2 are respectively formed with stepped portions 5-4 that cooperate with the connecting portions 5-0, which can evenly distribute the force on both ends of the connecting member 5-2, so as to further disperse the force transmitted by the connecting member 5-2 to the connecting post 5-1, thereby evenly transmitting the collision force to the subframe 6.

[0065] According to some embodiments of the present invention, the energy-absorbing box device 4 includes a first energy-absorbing box and a second energy-absorbing box. The first energy-absorbing box and the second energy-absorbing box extend in a second direction and are respectively inclined in a direction away from each other. The angle between the sidewalls of the first energy-absorbing box and the second energy-absorbing box facing each other and the second direction is α, and the value of α ranges from 0° to 90°. In some embodiments, the second direction intersects with the first direction, and the first energy-absorbing box and the second energy-absorbing box are in... Figure 2 The third part is symmetrically arranged upwards, that is, symmetrically arranged on both sides in the width direction of the subframe 6, so as to absorb energy evenly in the width direction. In order to distribute the force and increase the overlap between the subframe 6 and the small collision barrier, the first energy-absorbing box and the second energy-absorbing box are inclined relative to the vehicle's forward direction to form an included angle α, and the value of α is satisfied to be in the range of 0° to 90°. For example, α can be 10°, 20°, 35°, 70°, etc., and preferably, α is 20°.

[0066] In some embodiments, the second direction is consistent with the vehicle's forward direction.

[0067] The following describes a vehicle body assembly 100 according to an embodiment of the present invention.

[0068] like Figures 1-5 As shown, the vehicle body assembly 100 according to this utility model includes: a subframe 6 and an energy-absorbing box device 4. The energy-absorbing box device 4 is constructed as described in any of the above embodiments, and the energy-absorbing box device 4 is connected to the subframe 6. Here, the energy-absorbing box device 4 and the subframe 6 are connected by a connecting post 5-1. The connecting member 5-2 can evenly distribute the force transmitted from the energy-absorbing box device 4 to the connecting post 5-1 on the connecting post 5-1, so as to avoid local force transmission between the energy-absorbing box device 4 and the subframe 6 and balance the force transmission between the energy-absorbing box device 4 and the subframe 6.

[0069] The vehicle body assembly 100 of this utility model is equipped with an energy-absorbing box device 4, which prevents the force transmission between the energy-absorbing box body 5 and the subframe 6 from directly acting on the connecting column 5-1. This effectively reduces the damage caused by the connecting column 5-1 to the subframe 6 in low-speed collisions, avoids the risk of damage at the connection between the energy-absorbing box device 4 and the subframe 6 in low-speed collisions, effectively improves the safety performance of low-speed collisions, has a clever structure, high reliability, improves crashworthiness, and reduces maintenance costs.

[0070] According to some embodiments of the present invention, at least a portion of the energy-absorbing box device 4 and the subframe 6 are provided with a fixing member 6-4, which is adapted to fix the energy-absorbing box device 4 and the subframe 6 in place. In some embodiments, the subframe 6 has a hole 6-7 corresponding to the connecting portion 5-0, and the fixing member 6-4 is arranged around the hole 6-7 and cooperates with the connecting post 5-1 to fix the energy-absorbing box device 4 and the subframe 6 in place.

[0071] According to some embodiments of this utility model, such as Figure 4 As shown, the fastener 6-4 includes a nut adapted to engage with the threaded portion of the connecting post 5-1 exposed on the outer surface of the subframe 6. Here, the nut is located on the outer surface of the subframe 6 and adapted to engage with the threaded portion of the connecting post 5-1 exposed on the outer surface of the subframe 6. The fastener 6-4 is detachably connected to the connecting post 5-1, and the nut is located outside the subframe 6, facilitating replacement and maintenance of the energy-absorbing box device 4. In some embodiments, the energy-absorbing box body 5 is connected to the subframe 6 via four left and right connecting posts 5-1. The connecting posts 5-1 employ a bolt structure, and the nuts engage with the bolt threads, allowing the fastener 6-4 to be detachably connected to the connecting posts 5-1.

[0072] According to some embodiments of this utility model, such as Figure 4 As shown, the body assembly 100 also includes a reinforcing member 5-3. The reinforcing member 5-3 is disposed at the connection between the energy-absorbing box device 4 and the subframe 6 and is connected to the subframe 6 to enhance the structural strength of the connection between the energy-absorbing box device 4 and the subframe 6. Here, the placement position and specific structure of the reinforcing member 5-3 can be set according to actual needs and are not limited here.

[0073] According to some embodiments of this utility model, at least a portion of the reinforcing member 5-3 is located on one side of the force transmission direction of the energy-absorbing box body 5, and is adapted to abut against the connecting post 5-1 or the connecting member 5-2. Specifically, by adding the reinforcing member 5-3 to the connection area between the energy-absorbing box body 5 and the subframe 6, the displacement of the energy-absorbing box body 5 in the force transmission direction during a collision can be reduced, thereby reducing the damage caused by the connecting post 5-1 to the subframe 6.

[0074] According to some embodiments of this utility model, such as Figure 4 As shown, the reinforcing member 5-3 is housed inside the subframe 6 and located between the outer surface of the energy-absorbing box body 5 and the inner wall of the subframe 6. Here, the reinforcing member 5-3 is located inside the subframe 6, which can improve the aesthetics of the subframe 6. The reinforcing member 5-3 is fitted onto the end of the energy-absorbing box body 5 to reduce the amount of displacement of the energy-absorbing box body 5 in the force transmission direction during a collision, thereby reducing the damage caused to the subframe 6 by the connecting post 5-1.

[0075] According to some embodiments of this utility model, such as Figure 5As shown, the reinforcing member 5-3 includes a fixing plate, which is fixedly connected to the inner wall of the subframe 6. The fixing plate extends towards the connecting post 5-1 to abut against the connecting post 5-1. Specifically, the reinforcing member 5-3 is used as a transitional connection between the energy-absorbing box body 5 and the subframe 6, which can effectively suppress the rearward movement of the energy-absorbing box body 5 and reduce the force transmitted from the energy-absorbing box body 5 to the connecting post 5-1. At the same time, the force of the connecting post 5-1 is also transmitted to the reinforcing member 5-3 through the step portion 5-4. A certain gap is maintained between the connecting post 5-1 and the subframe 6, which effectively reduces the damage caused by the connecting post 5-1 to the subframe 6 in low-speed collisions. Ultimately, the risk of damage at the connection between the energy-absorbing box body 5 and the subframe 6 in low-speed collisions is avoided, effectively improving the safety performance of low-speed collisions. The structure is ingenious and highly reliable.

[0076] According to some embodiments of this utility model, such as Figure 5 As shown, the fixing plate includes a first fixing plate 5-5 and a second fixing plate 5-6, which are respectively disposed on the inner wall of the subframe 6 and spaced apart in a first direction. The first fixing plate 5-5 and the second fixing plate 5-6 extend toward the connecting post 5-1 and abut against the connecting post 5-1. Multiple fixing plates can abut against both ends of the connecting post 5-1 in the extension direction, which can effectively suppress the rearward movement of the energy-absorbing box body 5 and reduce the force transmitted from the energy-absorbing box body 5 to the connecting post 5-1. Here, the body assembly is generally used in vehicles, and the first direction can be consistent with the height direction of the vehicle. When the body is involved in a collision, the collision force generally comes from the horizontal direction of the body. Multiple fixing plates are spaced apart in the height direction of the vehicle to improve the effect of suppressing the rearward movement of the energy-absorbing box body 5, thereby improving the reinforcement effect of the reinforcing member 5-3 on the structure.

[0077] According to some embodiments of this utility model, the reinforcing member 5-3 further includes a connecting plate 5-7, which extends in a first direction and is connected to the first fixing plate 5-5 and the second fixing plate 5-6 respectively. The first fixing plate 5-5 and the second fixing plate 5-6 extend toward the connecting post 5-1 and abut against the connecting post 5-1. The first fixing plate 5-5, the second fixing plate 5-6, and the connecting plate 5-7 constitute a U-shaped reinforcing member 5-3. The U-shaped reinforcing member 5-3 is used for transition connection between the energy-absorbing box body 5 and the subframe 6, which can effectively suppress the rearward movement of the energy-absorbing box body 5 and reduce the force transmitted from the energy-absorbing box body 5 to the connecting post 5-1. At the same time, the force of the connecting post 5-1 is also transmitted to the U-shaped reinforcing member 5-3 through the step portion 5-4. A certain gap is maintained between the connecting post 5-1 and the subframe 6, which effectively reduces the damage caused by the connecting post 5-1 to the subframe 6 in low-speed collisions.

[0078] According to some embodiments of this utility model, a first positioning part is provided on the fixing plate, and a second positioning part suitable for positioning and engaging with the first positioning part is provided inside the subframe 6. Here, the fixing plate and the subframe 6 are positioned and engaged through the first and second positioning parts to facilitate the connection operation between the fixing plate and the subframe 6. In some embodiments, the first and second positioning parts can be in the form of a positioning protrusion and a positioning groove, or in the form of a buckle and a slot. The specific form can be selected according to actual needs and is not limited.

[0079] In some embodiments, the mounting plate is welded to the interior of the subframe 6.

[0080] In some embodiments, such as Figure 3 As shown, the subframe 6 has welding holes that are directly opposite to the first fixing plate 5-5 and the second fixing plate 5-6, respectively. The welding holes are the second positioning parts. The first positioning part on the reinforcing member 5-3 is a positioning hole that is suitable to be directly opposite to the welding holes. The positioning holes on the reinforcing member 5-3 are aligned with the welding holes on the subframe 6 to facilitate welding operations.

[0081] According to some embodiments of this utility model, the subframe 6 includes a longitudinal beam, and at least a portion of the energy-absorbing box body 5 is sleeved on the outer periphery of the longitudinal beam, or at least a portion of the energy-absorbing box body 5 is housed within the longitudinal beam. Here, the energy-absorbing box body 5 and the longitudinal beam are connected by a connecting post 5-1, so that the connecting member 5-2 can evenly distribute the force transmitted from the energy-absorbing box body 5 to the connecting post 5-1 on the connecting post 5-1, thereby avoiding localized force transmission between the energy-absorbing box body 5 and the longitudinal beam and balancing the force transmission between the energy-absorbing box body 5 and the longitudinal beam. The connecting post 5-1 is respectively provided with a connecting part 5-0 and a hole 6-7 to connect the longitudinal beam and the energy-absorbing box body 5.

[0082] In some embodiments, a first longitudinal beam 6-5 and a second longitudinal beam 6-6 spaced apart in the width direction are formed on the subframe 6, and the energy-absorbing box device 4 includes a first energy-absorbing box and a second energy-absorbing box, which are respectively disposed on the first longitudinal beam 6-5 and the second longitudinal beam 6-6.

[0083] In some embodiments, such as Figure 1 As shown, the body component 100 is also equipped with a main energy-absorbing box 1, a front longitudinal beam 2, and a secondary cross beam 3.

[0084] In some embodiments, such as Figure 2As shown, the subframe 6 also includes a crossbeam 6-8, with an angle β between the crossbeam 6-8 and the longitudinal beam, the value of which is in the range of 90° to 180°. In some embodiments, the crossbeam 6-8 is connected to the first longitudinal beam 6-5 and the second longitudinal beam 6-6 respectively, and the angle between the sidewalls of the first longitudinal beam 6-5 and the second longitudinal beam 6-6 facing each other and the front sidewall of the crossbeam 6-8 is β. Here, the outward expansion design of the front end of the subframe 6 can also distribute the force and increase the overlap between the subframe 6 and the small collision barrier. The angle β between the longitudinal beam and the crossbeam 6-8 of the subframe 6 can, for example, be 100°, 120°, 135°, 170°, etc., and preferably, β is 140°.

[0085] In some embodiments, the subframe 6 is connected to the vehicle via multiple front mounting points 6-1, middle mounting points 6-2, and rear mounting points 6-3 to ensure sufficient strength to meet collision safety and NVH performance requirements.

[0086] The vehicle according to this utility model is briefly described below.

[0087] The vehicle according to this utility model includes the body component 100 described in any of the above embodiments. Since the vehicle according to this utility model is equipped with the body component 100 of the above embodiments, the vehicle has high crashworthiness and low-speed collision safety performance, and low maintenance cost.

[0088] In summary, the energy-absorbing box device 4 of this utility model has a connecting piece 5-2 designed between the energy-absorbing box body 5 and the connecting column 5-1. This can reduce the damage caused by the connecting column 5-1 to the subframe 6 in low-speed collisions, avoid the risk of damage at the connection between the energy-absorbing box device 4 and the subframe 6 in low-speed collisions, effectively improve the safety performance of low-speed collisions, has a clever structure, high reliability, improves crashworthiness, and reduces maintenance costs.

[0089] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine and integrate the different embodiments or examples described in this specification.

[0090] Although embodiments of the present invention have been shown and described above, variations, modifications, substitutions and alterations can be made to the above embodiments.

Claims

1. An energy-absorbing box device (4), characterized in that, The energy-absorbing box device (4) is used to connect to the subframe (6) and includes: The energy-absorbing box body (5) and the connecting column (5-1) are provided with a connector (5-2) between the energy-absorbing box body (5) and the connecting column (5-1). The energy-absorbing box body (5) is connected to the subframe (6) through the connecting column (5-1).

2. The energy-absorbing box device (4) according to claim 1, characterized in that, The connector (5-2) is provided at least partially between the energy-absorbing box body (5) and the connecting post (5-1).

3. The energy-absorbing box device (4) according to claim 1, characterized in that, The connecting post (5-1) passes through the connecting member (5-2).

4. The energy-absorbing box device (4) according to claim 1, characterized in that, At least one end of the connector (5-2) is provided with a stepped portion (5-4), which abuts against the energy-absorbing box body (5).

5. The energy-absorbing box device (4) according to claim 4, characterized in that, The stepped portion (5-4) is recessed in the direction from the energy-absorbing box body (5) to the connecting post (5-1) to accommodate the connecting end of the energy-absorbing box body (5).

6. The energy-absorbing box device (4) according to any one of claims 1-5, characterized in that, The energy-absorbing box body (5) has an energy-absorbing cavity, at least a portion of the connector (5-2) is located in the energy-absorbing cavity and covers the outer peripheral surface of the portion of the connecting post (5-1) located in the energy-absorbing cavity, and the inner wall of the connector (5-2) is adapted to the connecting post (5-1).

7. The energy-absorbing box device (4) according to claim 6, characterized in that, The connector (5-2) is constructed as a cylindrical body.

8. The energy-absorbing box device (4) according to any one of claims 1-5, characterized in that, The energy-absorbing box body (5) includes a connecting part (5-0), and the connecting member (5-2) passes through the connecting part (5-0).

9. The energy-absorbing box device (4) according to claim 8, characterized in that, There are at least two connecting parts (5-0), the connecting post (5-1) extends along a first direction, the two connecting parts (5-0) are correspondingly arranged on the energy-absorbing box body (5) along the first direction, and the two connecting parts (5-0) are used to pass through the same connecting member (5-2).

10. The energy-absorbing box device (4) according to any one of claims 1-5, characterized in that, include: The first energy-absorbing box and the second energy-absorbing box extend in the second direction and are respectively inclined in a direction away from each other. The angle between the sidewalls of the first energy-absorbing box and the second energy-absorbing box facing each other and the second direction is α, and the value of α ranges from 0° to 90°.

11. A vehicle body component (100), characterized in that, include: Subframe (6); An energy-absorbing box device (4) is configured as described in any one of claims 1-10, and the energy-absorbing box device (4) is connected to the subframe (6).

12. The vehicle body assembly (100) according to claim 11, characterized in that, At least a portion of the energy-absorbing box device (4) and the subframe (6) are provided with a fastener (6-4), which is adapted to fix the energy-absorbing box device (4) and the subframe (6) in a fixed connection.

13. The vehicle body assembly (100) according to claim 12, characterized in that, The fastener (6-4) includes a nut adapted to engage with the threaded portion of the connecting post (5-1) exposed on the outer surface of the subframe (6).

14. The vehicle body assembly (100) according to claim 11, characterized in that, It also includes a reinforcing member (5-3), which is disposed at the connection between the energy-absorbing box device (4) and the subframe (6) and is connected to the subframe (6).

15. The vehicle body assembly (100) according to claim 14, characterized in that, At least a portion of the reinforcing member (5-3) is located on one side of the force transmission direction of the energy-absorbing box body (5) and is adapted to abut against the connecting post (5-1) or the connecting member (5-2).

16. The vehicle body assembly (100) according to claim 15, characterized in that, The reinforcing member (5-3) is housed inside the subframe (6) and located between the outer surface of the energy-absorbing box body (5) and the inner wall of the subframe (6).

17. The vehicle body assembly (100) according to claim 16, characterized in that, The reinforcing member (5-3) includes a fixing plate, which is fixedly connected to the inner wall of the subframe (6) and extends toward the connecting post (5-1) to abut against the connecting post (5-1).

18. The vehicle body assembly (100) according to claim 17, characterized in that, The fixing plate includes a first fixing plate (5-5) and a second fixing plate (5-6), the first fixing plate (5-5) and the second fixing plate (5-6) are respectively disposed on the inner wall of the subframe (6) and spaced apart in a first direction.

19. The vehicle body assembly (100) according to claim 18, characterized in that, The reinforcing member (5-3) further includes a connecting plate (5-7), which extends in a first direction and is connected to the first fixing plate (5-5) and the second fixing plate (5-6) respectively.

20. The vehicle body assembly (100) according to claim 17, characterized in that, The fixing plate is provided with a first positioning part, and the subframe (6) is provided with a second positioning part that is suitable for positioning and cooperating with the first positioning part.

21. The body assembly (100) according to any one of claims 11-20, characterized in that, The subframe (6) includes a longitudinal beam, at least a portion of the energy-absorbing box body (5) is fitted around the outer periphery of the longitudinal beam, or at least a portion of the energy-absorbing box body (5) is housed within the longitudinal beam.

22. A vehicle, characterized in that, Includes the body assembly (100) according to any one of claims 11-21.

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