Vehicle

Abstract

The utility model discloses a vehicle. Belongs to the technical field of vehicles, the vehicle comprises two chassis girders, a plurality of assembly supports and a battery pack, the two chassis girders are opposite and spaced in the width direction of the vehicle, the two chassis girders extend in the length direction of the vehicle, and the two chassis girders are provided with beam end faces parallel to the height direction of the vehicle; each chassis girder is correspondingly connected with at least one assembly support, each assembly support comprises a fixing portion and an installation portion which are connected in an included angle mode, the fixing portions are connected with the girder end faces, the installation portions are provided with first installation holes, and the middles of the battery packs are connected with the first installation holes through corresponding fasteners. The battery pack can be fixed to the beam end face of the chassis girder through the multiple assembly supports, the stress of the battery pack can be transmitted to the beam end face, with high load resistance, of the chassis girder through the assembly supports, and the connection strength between the chassis girder and the battery pack can be improved.

Description

Technical Field

[0001] This utility model relates to the field of vehicle technology, and more specifically, to a vehicle. Background Technology

[0002] In related technologies, the vehicle's battery pack needs to be connected to the chassis through bolts, brackets and other structures. However, the existing assembly structure has a relatively scattered arrangement of bolts, which is not conducive to the assembly of the battery pack and is prone to insufficient connection strength between the battery pack and the chassis, thus reducing the vehicle's safety and reliability. Utility Model Content

[0003] This invention aims to at least partially solve one of the aforementioned technical problems in the prior art. To this end, this invention proposes a vehicle capable of improving the connection strength between the chassis beam and the battery pack.

[0004] A vehicle according to an embodiment of the present invention includes: two chassis beams, which are opposite to and spaced apart along the width direction of the vehicle and extend along the length direction of the vehicle, each chassis beam having a beam end face parallel to the height direction of the vehicle; a plurality of mounting brackets, each chassis beam being correspondingly connected to at least one mounting bracket, each mounting bracket including a fixing part and a mounting part connected at an included angle, the fixing part being connected to the beam end face, and the mounting part having a first mounting hole; and a battery pack, the middle part of which is connected to the first mounting hole by a corresponding fastener.

[0005] According to the vehicle embodiment of this utility model, the battery pack can be fixed to the beam end face of the chassis beam through multiple mounting brackets. The force on the battery pack can be transferred to the beam end face of the chassis beam with strong load-bearing capacity through the mounting brackets, which can improve the connection strength between the chassis beam and the battery pack, thereby improving the stability of the battery pack in the assembly structure, reducing potential risks caused by uneven stress, and extending the service life of the battery pack. Multiple mounting brackets are used to install the battery pack, which also effectively disperses some of the stress generated during vehicle operation, improving the overall stability of the chassis and enabling the vehicle to maintain a stable driving state under various road conditions, thereby ensuring the safety and reliability of the vehicle.

[0006] According to some embodiments of the present invention, the axis of the first mounting hole is parallel to the height direction of the vehicle.

[0007] According to some embodiments of the present invention, the first mounting hole is located directly below the chassis beam.

[0008] According to some embodiments of the present invention, the mounting part has a plurality of first mounting holes, which are spaced apart along the length direction of the vehicle.

[0009] According to some embodiments of the present invention, the vehicle further includes: a central crossbeam extending along the width direction of the vehicle, the central crossbeam connecting between two chassis beams, the central crossbeam having at least one second mounting hole, and the battery pack being connected to the second mounting hole via corresponding fasteners.

[0010] According to some embodiments of the present invention, there are multiple middle crossbeams, and the multiple middle crossbeams are arranged symmetrically in the length direction of the vehicle.

[0011] According to some embodiments of the present invention, in the width direction of the vehicle, the beam end faces of the two chassis beams are opposite to each other.

[0012] According to some embodiments of the present invention, the vehicle further includes: a plurality of outer crossbeams, the outer crossbeams extending along the width direction of the vehicle, the outer crossbeams being connected to the beam end faces, each of the chassis beams having an outer crossbeam connected to its beam end face, and the plurality of outer crossbeams being symmetrically arranged in the width direction of the vehicle, the outer crossbeams having at least one third mounting hole, and the battery pack being connected to the third mounting hole by a corresponding fastener.

[0013] According to some embodiments of the present invention, the plurality of outer crossbeams are also symmetrically arranged along the length of the vehicle.

[0014] According to some embodiments of the present invention, the vehicle further includes: two outer longitudinal beams, which are symmetrically arranged in the width direction of the vehicle; multiple outer transverse beams located on one side of the chassis beam are connected by one outer longitudinal beam; multiple outer transverse beams located on the other side of the chassis beam are connected by another outer longitudinal beam; the outer longitudinal beams extend along the length direction of the vehicle; and each outer longitudinal beam has at least one fourth mounting hole; the battery pack is connected to the fourth mounting hole by a corresponding fastener.

[0015] 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

[0016] Figure 1 This is a perspective view of a vehicle according to an embodiment of the present utility model;

[0017] Figure 2 This is a schematic diagram showing the connection between the assembly bracket and the chassis beam and battery pack according to an embodiment of the present utility model;

[0018] Figure 3 This is a perspective view of the assembly bracket according to an embodiment of the present utility model;

[0019] Figure 4 This is a schematic diagram of a vehicle according to an embodiment of the present utility model. Figure 1 ;

[0020] Figure 5 yes Figure 4 A schematic diagram of the fastener arrangement corresponding to the embodiment shown;

[0021] Figure 6 This is a schematic diagram of a vehicle according to an embodiment of the present utility model. Figure 2 ;

[0022] Figure 7 This is a schematic diagram of a vehicle according to an embodiment of the present utility model. Figure 3 ;

[0023] Figure 8 This is a schematic diagram of a vehicle according to an embodiment of the present utility model. Figure 4 ;

[0024] Figure 9 This is a schematic diagram of a vehicle according to an embodiment of the present utility model. Figure 5 ;

[0025] Figure 10 This is a schematic diagram of a vehicle according to an embodiment of the present utility model. Figure 6 ;

[0026] Figure 11 This is a schematic diagram of a vehicle according to an embodiment of the present utility model. Figure 7 ;

[0027] Figure 12 This is a schematic diagram of a vehicle according to an embodiment of the present utility model. Figure 8 ;

[0028] Figure 13 This is a schematic diagram of a vehicle according to an embodiment of the present utility model. Figure 9 ;

[0029] Figure 14 This is a schematic diagram of a vehicle according to an embodiment of the present utility model. Figure 10 ;

[0030] Figure 15 This is a schematic diagram of a vehicle according to an embodiment of the present utility model. Figure 10 one;

[0031] Figure 16 This is a schematic diagram of a vehicle according to an embodiment of the present utility model. Figure 10 two;

[0032] Figure 17 This is a schematic diagram of a vehicle according to an embodiment of the present utility model. Figure 10 three;

[0033] Figure 18 yes Figure 17 A schematic diagram of the fastener arrangement corresponding to the embodiment shown;

[0034] Figure 19 This is a schematic diagram of a vehicle according to an embodiment of the present utility model. Figure 10 Four;

[0035] Figure 20 This is a schematic diagram of a vehicle according to an embodiment of the present utility model. Figure 10 five;

[0036] Figure 21 This is a schematic diagram of a vehicle according to an embodiment of the present utility model. Figure 10 six;

[0037] Figure 22 This is a schematic diagram of a vehicle according to an embodiment of the present utility model. Figure 10 seven;

[0038] Figure 23 This is a schematic diagram of a vehicle according to an embodiment of the present utility model. Figure 10 eight;

[0039] Figure 24 This is a schematic diagram of a vehicle according to an embodiment of the present utility model. Figure 10 Nine;

[0040] Figure 25 This is a schematic diagram of a vehicle according to an embodiment of the present utility model. Figure 2 ten;

[0041] Figure 26 This is a schematic diagram of a vehicle according to an embodiment of the present utility model. Figure 2 eleven;

[0042] Figure 27 This is a schematic diagram of a vehicle according to an embodiment of the present utility model. Figure 2 twelve;

[0043] Figure 28 This is a schematic diagram of a vehicle according to an embodiment of the present utility model. Figure 2 Thirteen;

[0044] Figure 29 This is a schematic diagram of a vehicle according to an embodiment of the present utility model. Figure 2 fourteen.

[0045] Figure label:

[0046] Chassis beam 1; Beam end face 11;

[0047] Assembly bracket 2; fixing part 21; mounting part 22; first mounting hole 221;

[0048] 3. Battery pack; 4. Fasteners; 5. Middle crossbeam; 6. Outer crossbeam; 7. Outer longitudinal beam. Detailed Implementation

[0049] 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 intended to explain this utility model, and should not be construed as limiting this utility model.

[0050] In the description of this utility model, it should be understood that the terms "longitudinal", "lateral", "length", "up", "down", "front", "back", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0051] 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.

[0052] 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.

[0053] The vehicle according to an embodiment of the present invention will now be described in detail with reference to the accompanying drawings.

[0054] Reference Figures 1-5As shown, the vehicle includes: two chassis beams 1, multiple mounting brackets 2, and a battery pack 3. The two chassis beams 1 are opposite to each other and spaced apart along the width direction of the vehicle, and the two chassis beams 1 extend along the length direction of the vehicle. Both chassis beams 1 have beam end faces 11 parallel to the height direction of the vehicle. Each chassis beam 1 is connected to at least one mounting bracket 2. The mounting bracket 2 includes a fixing part 21 and a mounting part 22 connected at an angle. The fixing part 21 is connected to the beam end face 11, and the mounting part 22 has a first mounting hole 221. The middle part of the battery pack 3 is connected to the first mounting hole 221 through a corresponding fastener 4.

[0055] in, Figure 1 The X-axis represents the length of the vehicle (front-to-back), the Y-axis represents the width of the vehicle (left-to-right), and the Z-axis represents the height of the vehicle (up-down).

[0056] The vehicle chassis includes two chassis beams 1, which are opposite to each other and spaced apart along the width of the vehicle and extend along the length of the vehicle. The chassis beams 1 can be "[" shaped beam structures. The chassis beams 1 provide stable support for the vehicle and can enhance the overall rigidity of the vehicle. As an important component of the vehicle chassis, the chassis beams 1 play a role in supporting the entire vehicle body and can withstand forces and torques from all directions, protecting the safety of the occupants and maintaining the overall stability of the vehicle.

[0057] Multiple mounting brackets 2 can be fixed to two chassis beams 1 respectively. Each mounting bracket 2 can be used to install the battery pack 3, providing multiple mounting points for the battery pack 3. This not only ensures a stable connection between the battery pack 3 and the chassis beam 1, thereby improving the stability of the battery pack 3 in the assembly structure, reducing potential risks caused by uneven stress, and extending the service life of the battery pack 3, but also makes the installation of the battery pack 3 more flexible. The number and installation position of the mounting brackets 2 can be adjusted according to actual needs.

[0058] The mounting bracket 2 includes a fixing part 21 and a mounting part 22. Both the fixing part 21 and the mounting part 22 can be plate-shaped structures. The fixing part 21 and the mounting part 22 can be integrally formed, or they can be fixedly connected by welding. The fixing part 21 and the mounting part 22 are connected at an angle. The mounting bracket 2 can be an L-shaped bracket. The angle between the fixing part 21 and the mounting part 22 can be a right angle. The fixing part 21 is fixedly connected to the beam end face 11 of the corresponding chassis beam 1. The beam end face 11 is a vertical end face parallel to the vehicle height direction. The fixing part 21 and the beam end face 11 of the corresponding chassis beam 1 can be fixed by a connector. The battery pack 3 is connected, or fixed by welding. The mounting part 22 has a first mounting hole 221. The middle part of the battery pack 3 is connected to the first mounting hole 221 by a corresponding fastener 4. The fastener 4 can be a bolt, rivet, etc. Thus, the middle part of the battery pack 3 is fixed to the two chassis beams 1 of the vehicle by multiple mounting brackets 2 and fasteners 4. The rigidity of the chassis beams 1 can be used to increase the rigidity of the battery pack 3 in the X, Y and Z directions. The battery pack 3 and the two chassis beams 1 can form a stable and reliable connection to ensure the stability and safety of the battery pack 3 during vehicle operation and reduce the risk of damage or detachment of the battery pack 3 due to bumps or collisions.

[0059] It is understood that the battery pack 3 can be fixed to the beam end face 11 of the chassis beam 1 by multiple mounting brackets 2. The force on the battery pack 3 can be transmitted to the beam end face 11 of the chassis beam 1 with strong load-bearing capacity through the mounting brackets 2, which helps to enhance the connection strength and reliability between the battery pack 3 and the chassis beam 1. The fixing part 21 is connected to the vertical beam end face 11, and the mounting part 22 is connected to the fixing part 21 at an angle. The mounting part 22 can form an angle (e.g., a right angle) with the vertical beam end face 11 so that the first mounting hole 221 on the mounting part 22 can be assembled with the battery pack 3 through the corresponding fastener 4.

[0060] The battery pack 3 is mounted on the chassis beam 1 at its central position via multiple mounting brackets 2. This allows for more efficient use of the space under the vehicle, improving space utilization and reducing the need for additional brackets or structural components required for traditional battery pack 3 installation. This results in a simpler and more compact overall vehicle structure. Furthermore, the multiple mounting brackets 2, all used to mount the battery pack 3, effectively distribute some of the stress generated during vehicle operation, improving the overall stability of the chassis. This ensures the vehicle maintains a stable driving state under various road conditions, thereby guaranteeing vehicle safety and reliability and providing passengers with a safer and more comfortable travel experience.

[0061] Reference Figure 4 and Figure 5As shown, the number of mounting brackets 2 can be selected according to the weight and X-axis dimension of the battery pack 3. The weight and X-axis dimension of the battery pack 3 are positively correlated with the number of mounting brackets 2. That is, the greater the weight of the battery pack 3, the more mounting brackets 2 are used; the greater the X-axis dimension of the battery pack 3, the more mounting brackets 2 are used. The mounting parts 22 of the multiple mounting brackets 2 can form a "II"-shaped connection area suitable for fitting with the battery pack 3. The multiple first mounting holes 221 are arranged at intervals in the front and back directions of the "II"-shaped connection area. The multiple fasteners 4 that fix the battery pack 3 can correspond one-to-one with the multiple first mounting holes 221 of the "II"-shaped connection area. That is, the multiple fasteners 4 can be distributed at intervals in the "II"-shaped connection area. That is, the distribution form of the multiple fasteners 4 is "II"-shaped (two rows of fasteners 4) to strengthen the connection strength between the middle part of the battery pack 3 and the two chassis beams 1.

[0062] According to the vehicle of this utility model embodiment, the battery pack 3 can be fixed to the beam end face 11 of the chassis beam 1 by multiple mounting brackets 2. The force on the battery pack 3 can be transferred to the beam end face 11 of the chassis beam 1 with strong load-bearing capacity through the mounting brackets 2, which can improve the connection strength between the chassis beam 1 and the battery pack 3, thereby improving the stability of the battery pack 3 in the assembly structure, reducing the potential risks caused by uneven force, and extending the service life of the battery pack 3. The multiple mounting brackets 2 are all used to install the battery pack 3, which also effectively disperses some of the stress generated during vehicle operation, improves the overall stability of the chassis, and enables the vehicle to maintain a stable driving state under various road conditions, thereby ensuring the safety and reliability of the vehicle.

[0063] In some embodiments of this utility model, reference is made to Figure 2 and Figure 3 As shown, the axis of the first mounting hole 221 is parallel to the height direction of the vehicle. That is to say, the axis of the first mounting hole 221 extends in the vertical direction. The fastener 4 can be assembled in the axial direction of the first mounting hole 221. The fastener 4 assembled in the vertical direction is easy to install and easy to operate.

[0064] The axis of the first mounting hole 221 can be parallel to the thickness direction of the mounting part 22. The mounting part 22 can extend along a horizontal plane, facilitating the precise positioning and fixing of the battery pack 3, simplifying the assembly difficulty between the battery pack 3 and the mounting part 22, improving the installation efficiency of the battery pack 3, and reducing the installation cost of the battery pack 3. Furthermore, the horizontal extension of the mounting part 22 also increases the contact area between the mounting part 22 and the battery pack 3, improving the connection stability between the mounting part 22 and the battery pack 3. This allows the battery pack 3 to better resist impacts and vibrations from all directions during vehicle operation, ensuring the stability and safety of the battery pack 3. Simultaneously, a stable connection also helps extend the service life of the battery pack 3, improving the reliability and durability of the vehicle.

[0065] In some embodiments of this utility model, reference is made to Figure 2 As shown, the first mounting hole 221 is located directly below the chassis beam 1. That is, the upward projection of the first mounting hole 221 is located inside the chassis beam 1, so as to reduce the distance between the first mounting hole 221 and the fixing part 21, i.e., reduce the lever arm length between the first mounting hole 221 and the fixing part 21, and avoid the first mounting hole 221 from overhanging outwards from the chassis beam 1 in the vehicle width direction, thereby helping to improve the stability of the mounting bracket 2 and the battery pack 3.

[0066] Meanwhile, along the height direction of the vehicle, the mounting part 22 can be set at a height lower than the lower surface of the corresponding chassis beam 1, so that the mounting part 22 and the lower surface of the corresponding chassis beam 1 are separated. The mounting part 22 is set below the chassis beam 1, which can effectively utilize the bottom space of the vehicle, avoid direct contact between the mounting part 22 and the chassis beam 1, provide more installation space and flexibility for other components, and also help to lower the overall center of gravity of the vehicle, thereby improving the stability of the vehicle.

[0067] The mounting part 22 is spaced apart from the lower surface of the corresponding chassis beam 1, which can provide better heat dissipation conditions for the battery pack 3. The battery pack 3 will generate heat during operation. If the heat dissipation is poor, it may lead to performance degradation or even damage. By setting the mounting part 22 below the chassis beam 1, the contact area between the battery pack 3 and the air can be increased, thereby improving the heat dissipation efficiency.

[0068] In some embodiments of this utility model, the mounting part 22 has a plurality of first mounting holes 221, which are arranged at intervals along the length direction of the vehicle.

[0069] Specifically, the mounting part 22 may have two, three, four, or other first mounting holes 221. These first mounting holes 221 can be arranged at intervals along the length of the vehicle, with the spacing between adjacent holes 221 being the same to form a standardized installation pattern. This simplifies the installation process, reduces installation difficulty, and improves installation efficiency. Simultaneously, the arrangement of multiple first mounting holes 221 allows the battery pack 3 to be connected to the mounting part 22 via fasteners 4 corresponding to each hole 221. This results in a more uniform load distribution on the mounting part 22, reducing stress concentration at individual connection points and improving the stability and reliability of the connection between the mounting part 22 and the battery pack 3. During vehicle operation, especially under complex conditions such as bumps or vibrations, the multiple first mounting holes 221 can collectively withstand external impact forces, improving the shock resistance of the connection and contributing to the overall structural strength of the vehicle.

[0070] In some embodiments of this utility model, reference is made to Figure 1 and Figure 6 As shown, the vehicle also includes: a middle crossbeam 5, which extends along the width of the vehicle and is connected between two chassis beams 1. The middle crossbeam 5 has at least one second mounting hole, and the battery pack 3 is connected to the second mounting hole by a corresponding fastener 4.

[0071] Specifically, in the width direction of the vehicle, the left and right ends of the central crossbeam 5 can be connected to two chassis beams 1 respectively. The central crossbeam 5 can effectively connect the two chassis beams 1, thereby improving the torsional stiffness of the vehicle chassis. When the two chassis beams 1 are subjected to different loads, the central crossbeam 5 can balance the loads of the two chassis beams 1, thereby improving the stability of the vehicle chassis. At the same time, the central crossbeam 5 has at least one second mounting hole. The battery pack 3 is connected to the second mounting hole through the corresponding fastener 4. The second mounting hole of the outer longitudinal beam 7 can provide more fixing points for the middle part of the battery pack 3 to strengthen and fix the battery pack 3, thereby improving the reliability of the connection between the battery pack 3 and the chassis beam 1.

[0072] In some embodiments of this utility model, reference is made to Figure 6 As shown, there is one central crossbeam 5. The central crossbeam 5 and multiple mounting brackets 2 can form an "H"-shaped connection area suitable for fitting with the battery pack 3. Multiple fasteners 4 are distributed at intervals in the "H"-shaped connection area, that is, the distribution of multiple fasteners 4 is "H"-shaped (fasteners 4 arranged in two rows and one horizontal row) to further strengthen the connection strength between the middle of the battery pack 3 and the two chassis beams 1.

[0073] In other embodiments of this utility model, reference is made to Figure 7 and Figure 8 As shown, there are multiple central crossbeams 5, which are symmetrically arranged along the length of the vehicle to simultaneously enhance the connection strength between the battery pack 3 and the chassis on both the front and rear sides.

[0074] In some embodiments, refer to Figure 7 As shown, there are two central crossbeams 5. The two central crossbeams 5 and multiple mounting brackets 2 can form a "U"-shaped connection area suitable for fitting with the battery pack 3. Multiple fasteners 4 are distributed at intervals in the "U"-shaped connection area, that is, the distribution of multiple fasteners 4 is "U"-shaped (two rows and two horizontal fasteners 4), in order to further strengthen the connection between the middle part of the battery pack 3 and the two chassis beams 1, and improve the connection strength between the battery pack 3 and the chassis.

[0075] In some embodiments, refer to Figure 8As shown, the number of the middle crossbeams 5 is three. The three middle crossbeams 5 and multiple mounting brackets 2 can form a "day"-shaped connection area suitable for fitting with the battery pack 3. Multiple fasteners 4 are distributed at intervals within the "day"-shaped connection area, that is, the distribution form of the multiple fasteners 4 is "day"-shaped (the fasteners 4 arranged in two columns and three rows), so as to further strengthen the connection between the middle part of the battery pack 3 and the two chassis girders 1 and improve the connection strength between the battery pack 3 and the chassis.

[0076] In some embodiments of the present utility model, referring to Figure 1 and Figure 2 As shown, in the width direction of the vehicle, the beam end faces 11 of the two chassis girders 1 face away from each other. That is to say, the beam end face 11 is the end face where the two chassis girders 1 face away from each other in the left-right direction. The fixing part 21 is located outside the corresponding chassis girder 1 and is fixedly connected to the beam end face 11 of the corresponding chassis girder 1. After the chassis girder 1 is assembled on the vehicle, along the width direction of the vehicle, the outside of the chassis girder 1 is the side of the chassis girder 1 facing the outside of the vehicle. The fixing part 21 is located outside the corresponding chassis girder 1, which is equivalent to adding an additional support structure on the side of the vehicle. When the vehicle turns or is subjected to a lateral force, the fixing part 21 helps to enhance the anti-rollover ability of the vehicle and improve the driving stability. It can also make better use of the structural strength of the chassis girder 1 to reasonably distribute the mechanical factors such as the weight and vibration of the battery pack 3 to the entire chassis, which helps to reduce the local stress concentration of the chassis and improve the overall durability and service life of the chassis.

[0077] The beam end faces 11 of the two chassis girders 1 face away from each other. By fixedly connecting the fixing part 21 to the beam end face 11 on the outside of the chassis girder 1, a more stable overall structure can be formed, which helps to reduce the deformation and vibration of the vehicle during driving and improve the riding comfort. It can also make full use of the space at the bottom of the vehicle, avoid interference with the vehicle's chassis and other components, and provide a larger installation space for the battery pack 3, which is beneficial to increasing the capacity and performance of the battery pack 3, helping to optimize the overall layout of the vehicle and improve the space utilization rate.

[0078] In some embodiments of the present utility model, referring to Figure 1 and Figure 9 As shown, the vehicle further includes: multiple outer crossbeams 6. The outer crossbeams 6 extend along the width direction of the vehicle. The outer crossbeams 6 are connected to the beam end faces 11. The beam end face 11 of each chassis girder 1 is connected with an outer crossbeam 6, and the multiple outer crossbeams 6 are symmetrically arranged in the width direction of the vehicle. The outer crossbeam 6 has at least one third mounting hole, and the battery pack 3 is connected to the third mounting hole through the corresponding fastener 4.

[0079] Specifically, in the width direction of the vehicle, the outer crossbeam 6 is connected to the beam end face 11 on the outer side of the chassis beam 1. The portion of the battery pack 3 outside the chassis beam 1 can be connected to the third mounting hole of the outer crossbeam 6 through fasteners 4. The third mounting hole of the outer crossbeam 6 provides more fixing points for the battery pack 3 to strengthen and fix it, thereby improving the reliability and stability of the connection between the battery pack 3 and the chassis beam 1. Multiple outer crossbeams 6 are symmetrically arranged in the width direction of the vehicle, that is, the number of outer crossbeams 6 connected to the outer sides of the two chassis beams 1 is the same and their positions are symmetrical, so as to simultaneously improve the connection strength between the battery pack 3 and the chassis on both sides.

[0080] In some embodiments of this utility model, reference is made to Figure 1 As shown, multiple outer crossbeams 6 are also symmetrically arranged along the length of the vehicle to simultaneously enhance the connection strength between the battery pack 3 and the chassis on both the front and rear sides, thereby improving the stability and reliability of the battery pack 3.

[0081] In some embodiments of this utility model, reference is made to Figure 1 As shown, the vehicle also includes: two outer longitudinal beams 7, which are symmetrically arranged in the width direction of the vehicle. Multiple outer transverse beams 6 located on one side of the chassis beam 1 are connected by one outer longitudinal beam 7, and multiple outer transverse beams 6 located on the other side of the chassis beam 1 are connected by another outer longitudinal beam 7. The outer longitudinal beams 7 extend along the length direction of the vehicle and have at least one fourth mounting hole. The battery pack 3 is connected to the fourth mounting hole by a corresponding fastener 4.

[0082] Specifically, the two symmetrical outer longitudinal beams 7 are connected to the outer transverse beam 6 on the same side, which can improve the rigidity and load-bearing capacity of the chassis in a balanced manner from left to right. The fourth mounting hole of the outer longitudinal beam 7 can provide more fixing points for the battery pack 3 to strengthen and fix the battery pack 3 and improve the fixing effect of the chassis on the battery pack 3.

[0083] The outer longitudinal beam 7 can be connected to the end of the outer cross beam 6 away from the chassis beam 1, so that the corresponding chassis beams 1 on the left and right sides, multiple outer cross beams 6 and outer longitudinal beams 7 form a complete frame. This frame enhances the stability and rigidity of the fixed battery pack 3 structure. In the event of a vehicle collision or other accident, the frame can absorb and disperse part of the impact force, protecting the battery pack 3 from damage.

[0084] According to the vehicle of this utility model embodiment, the number and arrangement position of the middle crossbeam 5, outer crossbeam 6, and outer longitudinal beam 7 can be selected based on the weight of the battery pack 3 and its dimensions in the X direction. Specifically:

[0085] In some embodiments, refer to Figure 4 and Figure 5As shown, multiple mounting brackets 2 can form a "II" type connection area suitable for fitting with the battery pack 3, and multiple fasteners 4 can be distributed at intervals within the "II" type connection area, that is, the distribution form of the multiple fasteners 4 is "II".

[0086] In some embodiments, refer to Figures 6-8 As shown, Figure 6 In order to be in Figure 4 Based on the embodiment shown, an additional central crossbeam 5 is added, and an "I"-shaped connection area suitable for fitting with the battery pack 3 is added between the two chassis beams 1 for the distribution of fasteners 4. Figure 7 In order to be in Figure 4 Based on the embodiment shown, two middle crossbeams 5 are added, and a "two"-shaped connection area suitable for fitting with the battery pack 3 is added between the two chassis beams 1 for the distribution of fasteners 4. Figure 8 In order to be in Figure 4 Based on the embodiment shown, three middle crossbeams 5 are added, and a "three"-shaped connection area suitable for fitting with the battery pack 3 is added between the two chassis beams 1 for the distribution of fasteners 4.

[0087] In some embodiments, refer to Figure 9 As shown, multiple mounting brackets 2 and two outer crossbeams 6 can form a "-II-" type connection area suitable for fitting with the battery pack 3, and multiple fasteners 4 can be distributed at intervals within the "-II-" type connection area, that is, the distribution form of the multiple fasteners 4 is "-II-" type.

[0088] In some embodiments, refer to Figures 10-12 As shown, Figure 10 In order to be in Figure 9 Based on the embodiment shown, an additional central crossbeam 5 is added, and an "I"-shaped connection area suitable for fitting with the battery pack 3 is added between the two chassis beams 1 for the distribution of fasteners 4. Figure 11 In order to be in Figure 9 Based on the embodiment shown, two middle crossbeams 5 are added, and a "two"-shaped connection area suitable for fitting with the battery pack 3 is added between the two chassis beams 1 for the distribution of fasteners 4. Figure 12 In order to be in Figure 9 Based on the embodiment shown, three middle crossbeams 5 are added, and a "three"-shaped connection area suitable for fitting with the battery pack 3 is added between the two chassis beams 1 for the distribution of fasteners 4.

[0089] In some embodiments, refer to Figure 13 As shown, multiple mounting brackets 2 and four outer crossbeams 6 can form a “][”-shaped connection area suitable for fitting with the battery pack 3, and multiple fasteners 4 can be distributed at intervals within the “][”-shaped connection area, that is, the distribution form of the multiple fasteners 4 is “][”-shaped.

[0090] In some embodiments, refer to Figures 14-16As shown, Figure 14 In order to be in Figure 13 Based on the embodiment shown, an additional central crossbeam 5 is added, and an "I"-shaped connection area suitable for fitting with the battery pack 3 is added between the two chassis beams 1 for the distribution of fasteners 4. Figure 15 In order to be in Figure 13 Based on the embodiment shown, two middle crossbeams 5 are added, and a "two"-shaped connection area suitable for fitting with the battery pack 3 is added between the two chassis beams 1 for the distribution of fasteners 4. Figure 16 In order to be in Figure 13 Based on the embodiment shown, three middle crossbeams 5 are added, and a "three"-shaped connection area suitable for fitting with the battery pack 3 is added between the two chassis beams 1 for the distribution of fasteners 4.

[0091] In some embodiments, refer to Figure 17 and Figure 18 As shown, multiple mounting brackets 2 and six outer crossbeams 6 can be formed to fit into the battery pack 3. Type connection area, multiple fasteners 4 can be The fasteners 4 are spaced apart within the connection area. type.

[0092] In some embodiments, refer to Figures 19-21 As shown, Figure 19 In order to be in Figure 17 Based on the embodiment shown, an additional central crossbeam 5 is added, and an "I"-shaped connection area suitable for fitting with the battery pack 3 is added between the two chassis beams 1 for the distribution of fasteners 4. Figure 20 In order to be in Figure 17 Based on the embodiment shown, two middle crossbeams 5 are added, and a "two"-shaped connection area suitable for fitting with the battery pack 3 is added between the two chassis beams 1 for the distribution of fasteners 4. Figure 21 In order to be in Figure 17 Based on the embodiment shown, three middle crossbeams 5 are added, and a "three"-shaped connection area suitable for fitting with the battery pack 3 is added between the two chassis beams 1 for the distribution of fasteners 4.

[0093] In some embodiments, refer to Figure 22 As shown, multiple mounting brackets 2, four outer crossbeams 6 and two outer longitudinal beams 7 can form a "□"-shaped connection area suitable for fitting with the battery pack 3, and multiple fasteners 4 can be distributed at intervals within the "□"-shaped connection area, that is, the distribution form of the multiple fasteners 4 is "□".

[0094] In some embodiments, refer to Figures 23-25 As shown, Figure 23 In order to be in Figure 22Based on the embodiment shown, an additional central crossbeam 5 is added, and an "I"-shaped connection area suitable for fitting with the battery pack 3 is added between the two chassis beams 1 for the distribution of fasteners 4. Figure 24 In order to be in Figure 22 Based on the embodiment shown, two middle crossbeams 5 are added, and a "two"-shaped connection area suitable for fitting with the battery pack 3 is added between the two chassis beams 1 for the distribution of fasteners 4. Figure 25 In order to be in Figure 22 Based on the embodiment shown, three middle crossbeams 5 are added, and a "three"-shaped connection area suitable for fitting with the battery pack 3 is added between the two chassis beams 1 for the distribution of fasteners 4.

[0095] In some embodiments, refer to Figure 26 As shown, multiple mounting brackets 2, six outer crossbeams 6 and two outer longitudinal beams 7 can form a "day-day" type connection area suitable for fitting with the battery pack 3, and multiple fasteners 4 can be distributed at intervals within the "day-day" type connection area, that is, the distribution form of the multiple fasteners 4 is "day-day".

[0096] In some embodiments, refer to Figures 27-29 As shown, Figure 27 In order to be in Figure 26 Based on the embodiment shown, an additional central crossbeam 5 is added, and an "I"-shaped connection area suitable for fitting with the battery pack 3 is added between the two chassis beams 1 for the distribution of fasteners 4. Figure 28 In order to be in Figure 26 Based on the embodiment shown, two middle crossbeams 5 are added, and a "two"-shaped connection area suitable for fitting with the battery pack 3 is added between the two chassis beams 1 for the distribution of fasteners 4. Figure 29 In order to be in Figure 26 Based on the embodiment shown, three middle crossbeams 5 are added, and a "three"-shaped connection area suitable for fitting with the battery pack 3 is added between the two chassis beams 1 for the distribution of fasteners 4.

[0097] The preferred distribution of the fasteners 4 is a left-right symmetrical "E" distribution. The number of fasteners 4 can be 52. The battery pack 3 is mainly fixed in both the X and Y directions, that is, three rows of transverse (Y direction) fixation and two columns of longitudinal (X direction) fixation. The fixation is mainly done by a large number of longitudinally arranged fasteners 4, and supplemented by a small number (no less than three) of transversely arranged fasteners 4 perpendicular to the chassis beam 1. Its advantage is that the longitudinally arranged fasteners 4 increase the X, Y and Z direction stiffness of the entire battery pack 3 by means of the rigidity of the chassis beam 1 itself through the mounting bracket 2.

[0098] The distribution of multiple fasteners 4 can be selected based on power consumption, space, cost, and strength requirements, for example, Figure 24 The illustrated embodiments Figure 26 The illustrated embodiments Figure 22The illustrated embodiments Figure 17 The illustrated embodiments Figure 14 The strength requirements of the embodiments shown decrease sequentially.

[0099] For example, the X-axis dimension L of battery pack 3 can be determined based on power requirements; if L > 2000 mm and weight W > 3 tons, then the preferred option is... Figures 17-29 The corresponding embodiment. If L < 2000 mm and weight W < 3 T, preferred. Figures 13-16 The corresponding implementation examples.

[0100] In addition, the fastener 4 can pass through the horizontal and vertical beams inside the battery pack 3 and connect to the corresponding mounting holes. The relationship between the fastener 4 and the horizontal and vertical beams can be refined according to the arrangement of the horizontal and vertical beams inside the battery pack 3. For example, the positional relationship between the fastener 4 and the horizontal and vertical beams, and multiple fasteners 4 can be set according to the length of the horizontal and vertical beams, etc.

[0101] The number of fasteners 4 can be selected based on the nominal diameter of the bolts used and the total mass of the battery pack 3. For example, if M14 bolts are used for fasteners 4, then the total number of M14 bolts is greater than or equal to the total mass of the battery pack 3 divided by 85. As another example, if M16 bolts are used for fasteners 4, then the total number of M16 bolts is greater than or equal to the total mass of the battery pack 3 divided by 120.

[0102] 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.

[0103] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A vehicle, characterized in that, include: Two chassis beams (1) are opposite to each other and spaced apart along the width direction of the vehicle, and the two chassis beams (1) extend along the length direction of the vehicle. Both chassis beams (1) have beam end faces (11) parallel to the height direction of the vehicle. Multiple assembly brackets (2), each of the chassis beams (1) is connected to at least one assembly bracket (2), the assembly bracket (2) includes a fixing part (21) and an mounting part (22) connected at an angle, the fixing part (21) is connected to the beam end face (11), and the mounting part (22) has a first mounting hole (221); The battery pack (3) is connected to the first mounting hole (221) at its center by a corresponding fastener (4).

2. The vehicle according to claim 1, characterized in that, The axis of the first mounting hole (221) is parallel to the height direction of the vehicle.

3. The vehicle according to claim 2, characterized in that, The first mounting hole (221) is located directly below the chassis beam (1).

4. The vehicle according to claim 1, characterized in that, The mounting part (22) has a plurality of first mounting holes (221), which are spaced apart along the length of the vehicle.

5. The vehicle according to claim 1, characterized in that, The vehicle also includes a center crossbeam (5) extending along the width of the vehicle, the center crossbeam (5) connecting between two chassis beams (1), the center crossbeam (5) having at least one second mounting hole, and the battery pack (3) being connected to the second mounting hole by a corresponding fastener (4).

6. The vehicle according to claim 5, characterized in that, The number of the middle crossbeams (5) is multiple, and the multiple middle crossbeams (5) are symmetrically arranged in the length direction of the vehicle.

7. The vehicle according to any one of claims 1-6, characterized in that, In the width direction of the vehicle, the beam end faces (11) of the two chassis beams (1) are opposite to each other.

8. The vehicle according to claim 7, characterized in that, The vehicle also includes: multiple outer crossbeams (6), which extend along the width direction of the vehicle and are connected to the beam end face (11). Each chassis beam (1) has the outer crossbeam (6) connected to its beam end face (11), and the multiple outer crossbeams (6) are symmetrically arranged in the width direction of the vehicle. Each outer crossbeam (6) has at least one third mounting hole, and the battery pack (3) is connected to the third mounting hole by a corresponding fastener (4).

9. The vehicle according to claim 8, characterized in that, The multiple outer crossbeams (6) are also symmetrically arranged along the length of the vehicle.

10. The vehicle according to claim 9, characterized in that, The vehicle also includes two outer longitudinal beams (7), which are symmetrically arranged in the width direction of the vehicle. Multiple outer cross beams (6) located on one side of the chassis beam (1) are connected by one outer longitudinal beam (7), and multiple outer cross beams (6) located on the other side of the chassis beam (1) are connected by another outer longitudinal beam (7). The outer longitudinal beams (7) extend along the length direction of the vehicle and have at least one fourth mounting hole. The battery pack (3) is connected to the fourth mounting hole by a corresponding fastener (4).

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