Limiting supporting assembly and electric vehicle

Abstract

The utility model provides a limiting supporting assembly and an electric vehicle, and relates to the field of electric vehicle battery replacement. The limiting and supporting assembly is applied to the electric vehicle, and the electric vehicle comprises a battery pack. The limiting and supporting assembly comprises at least one pair of first limiting and supporting part and second limiting and supporting part which are matched with each other, the first limiting and supporting part is arranged on the battery pack, and the second limiting and supporting part is arranged on a beam of the electric vehicle; when the battery pack is installed on the vehicle beam in the extending direction perpendicular to the vehicle beam, the battery pack is matched with a locking mechanism on the electric vehicle, and the first limiting supporting parts are connected with the corresponding second limiting supporting parts in a matched and clamped mode. Through the arrangement, the first limiting supporting part and the second limiting supporting part are matched and clamped, so that the battery pack can be accurately mounted on the vehicle beam, and the mounting is more stable.

Description

Technical Field

[0001] The utility model relates to the field of electric vehicle battery replacement, in particular to a position limiting support component and an electric vehicle. Background Art

[0002] In recent years, new energy vehicles have developed rapidly. Electric vehicles that rely on batteries as driving energy have the advantages of zero emissions and low noise. As the market share and usage frequency of electric vehicles are increasing, electric commercial vehicles among electric vehicles, such as electric heavy trucks and electric light trucks, are also beginning to appear in their respective application scenarios.

[0003] For these electric commercial vehicles, the battery pack is installed under the beam of the electric vehicle. As the battery storage capacity gradually increases, the volume of the corresponding battery pack is also increased to meet the mileage requirements of the electric vehicle as much as possible. However, with the continuous upgrading of electric vehicles, due to the large size and weight of the battery pack, the battery pack is prone to shaking during installation, making it difficult to accurately locate the installation position on the beam, and the stability of the battery pack after installation is also poor. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a position limiting support assembly and an electric vehicle in order to overcome the lack of space for arranging a whole battery pack under the vehicle beam caused by the upgrade of the electric vehicle in the prior art.

[0005] The utility model solves the above technical problems through the following technical solutions:

[0006] A position limiting support assembly is applied to an electric vehicle, wherein the electric vehicle comprises a battery pack; the position limiting support assembly comprises at least one pair of a first position limiting support portion and a second position limiting support portion that cooperate with each other, wherein the first position limiting support portion is arranged on the battery pack, and the second position limiting support portion is arranged on a beam of the electric vehicle;

[0007] When the battery pack is installed on the vehicle beam along an extension direction perpendicular to the vehicle beam, the battery pack cooperates with a locking mechanism on the electric vehicle, and the first position-limiting support portion cooperates and engages with the corresponding second position-limiting support portion.

[0008] In the present scheme, through this arrangement, the battery pack can be installed on the beam of the electric vehicle along the extension direction perpendicular to the beam, and cooperate with the locking mechanism on the electric vehicle to fix the battery pack on the electric vehicle. At the same time, the first limit support part and the second limit support part are respectively provided on the battery pack and the beam of the electric vehicle, and the cooperation and snap connection between the two can achieve dual effects. First, when the battery pack approaches the beam along the extension direction perpendicular to the beam, the first limit support part and the second limit support part can be used to position the battery pack relative to the beam, so that the battery pack can be accurately installed on the beam; second, when the battery pack is relatively fixedly installed on the beam, the first limit support part and the second limit support part that cooperate and snap connect with each other can also play the role of limiting and supporting the battery pack to prevent the battery pack from moving relative to the beam, making the installation of the battery pack on the beam more stable.

[0009] Further, the battery pack includes a battery end connector, and the battery end connector and the first limit support portion are both arranged on the same end surface of the battery pack; the electric vehicle includes a vehicle end connector, and the vehicle end connector is connected to the vehicle beam;

[0010] When the first position-limiting support portion is engaged with the corresponding second position-limiting support portion, the battery-end connector is connected to the vehicle-end connector.

[0011] In the present solution, by arranging the battery-end connector and the first limiting support portion on the same end face of the battery pack, compared with arranging them on different end faces, this arrangement can make the structure at the battery pack more reasonable and simple. At the same time, since the two are arranged on the same end face of the battery pack, this end face of the battery pack can be directly used to approach the vehicle beam, and the vehicle-end connector and the second limiting support portion are simultaneously arranged on the vehicle beam, so that when the first limiting support portion and the corresponding second limiting support portion are engaged and snapped together, it is more convenient to connect the battery-end connector and the vehicle-end connector, thereby realizing power transmission of the battery pack.

[0012] Furthermore, along the extension direction of the vehicle beam, the battery terminal connector is located in the middle part of the end surface of the battery pack, and the first limiting support portion is arranged corresponding to the battery terminal connector in the vertical direction.

[0013] In the present solution, this arrangement makes the structure of the battery pack more symmetrical. When the battery-end connector of the battery pack is connected to the vehicle-end connector of the vehicle beam along an extension direction perpendicular to the vehicle beam, it can also avoid unbalanced force on the battery pack, resulting in unstable installation of the battery pack. At the same time, the first limiting support portion is arranged in the vertical direction corresponding to the battery-end connector, so as to limit and support the connection between the battery-end connector and the vehicle-end connector, thereby making the electrical connection between the two more stable.

[0014] Furthermore, the position-limiting support assembly includes two pairs of mutually cooperating first position-limiting support parts and second position-limiting support parts, and the two first position-limiting support parts are arranged on the end surface of the battery pack along the extension direction of the vehicle beam.

[0015] In this solution, two first limit support parts are arranged on the end face of the battery pack to cooperate with the two second limit support parts on the vehicle beam. On the one hand, the two first limit support parts are connected in a straight line to better play a positioning role, so that the battery end connector of the battery pack is accurately connected to the vehicle end connector on the vehicle beam; on the other hand, when the battery pack is relatively fixedly installed on the vehicle beam, the two pairs of mutually connected limit support devices can better play the role of limiting and supporting, and further ensure that the battery pack will not move relative to the vehicle beam.

[0016] Furthermore, the first position-limiting support portion and the second position-limiting support portion, which are arranged in pairs, are respectively protruded relative to the end surface of the battery pack and the vehicle beam, and are nested and engaged with each other during the movement of the battery pack.

[0017] In the present solution, through this arrangement, the first position limiting support portion and the second position limiting support portion can be nested and connected with each other, thereby realizing their positioning function during the nesting process. At the same time, after being nested with each other, the two exert force on each other, thereby better playing their role of limiting and supporting.

[0018] Furthermore, the battery terminal connector is disposed on the end surface of the battery pack and protrudes relative to the first limiting support portion;

[0019] And / or, the vehicle-end connector is arranged offset from the vehicle beam in the vertical direction.

[0020] In the present solution, by protruding the battery end connector on the end face of the battery pack relative to the first limiting support portion, when the first limiting support portion and the second limiting support portion on the vehicle beam are nested and engaged with each other, the battery end connector of the battery pack can extend out of the corresponding vehicle beam and achieve a stable connection with the vehicle end connector, thereby avoiding the situation where the battery end connector of the battery pack and the corresponding vehicle end connector are not yet connected or the connection is unstable when the first limiting support portion and the second limiting support portion are nested with each other; at the same time, the vehicle end connector is staggered with the vehicle beam in the vertical direction to be more adapted to the position of the battery end connector on the battery pack, so as to facilitate the battery end connector and the corresponding connection to the vehicle end connector when the first limiting support portion and the second limiting support portion on the vehicle beam are nested and engaged with each other.

[0021] Furthermore, the battery pack and the vehicle-end connector are arranged in pairs, and the paired vehicle-end connectors are located in the middle of the paired vehicle beams, and along the extension direction perpendicular to the vehicle beams, the paired vehicle-end connectors are respectively connected to the battery-end connectors corresponding to the battery packs.

[0022] In this solution, by setting a pair of vehicle-end connectors in the middle of the paired vehicle beams, both sides of the paired vehicle beams can be used to connect the battery packs in the extension direction perpendicular to the vehicle beams, making the overall structure more symmetrical, and the number of battery packs can be increased, thereby increasing the power capacity.

[0023] Furthermore, the electric vehicle further comprises a connector bracket, the connector bracket is located in the middle of the vehicle beams arranged in pairs, and is simultaneously connected to the vehicle beams arranged in pairs;

[0024] The vehicle-end connectors arranged in pairs are both mounted on the connector bracket, and the connecting ends of the vehicle-end connectors arranged in pairs are arranged opposite to each other along an extending direction perpendicular to the vehicle beam.

[0025] In the present solution, through this arrangement, a connector bracket is used to fix a pair of vehicle-end connectors in the middle of the paired vehicle beams, which makes the structure more stable and the arrangement of the vehicle-end connectors more flexible. When the connecting ends of the paired vehicle-end connectors are arranged back to back, it is more convenient to stably connect the battery pack on both sides of the vehicle beam.

[0026] Furthermore, the battery-end connector is arranged below the first limiting support portion in the vertical direction, and the vehicle-end connector is located below the vehicle beam in the vertical direction.

[0027] In the present solution, through this arrangement, the battery end connectors of the battery pack are plugged into the vehicle end connectors below the vehicle beam, making full use of the space under the vehicle beam, while reducing the longitudinal height of the battery pack as much as possible to avoid interference between the battery pack and components on the upper part of the vehicle.

[0028] Furthermore, in the vertical direction, the upper surface of the battery pack is located below the vehicle beam.

[0029] In the present solution, this arrangement enables the battery pack to be completely located below the vehicle beam, thereby further reducing the longitudinal height of the battery pack and preventing the battery pack from interfering with components on the vehicle beam.

[0030] An electric vehicle is characterized in that the electric vehicle comprises the position limiting support assembly as described above.

[0031] In this solution, through this arrangement, the electric vehicle includes the limit support assembly as described above, so as to connect the battery pack at both sides of the beam of the electric vehicle to avoid interference between the battery pack and components such as the transmission shaft in the middle of the beam.

[0032] The positive and progressive effects of the utility model are:

[0033] Through the structural arrangement of the utility model, the battery pack can be installed on the beam of the electric vehicle along the extension direction perpendicular to the beam, and cooperate with the locking mechanism on the electric vehicle to fix the battery pack on the electric vehicle. At the same time, the first limit support part and the second limit support part are respectively provided on the battery pack and the beam of the electric vehicle, and the cooperation and snap connection between the two can achieve dual effects. First, when the battery pack approaches the beam along the extension direction perpendicular to the beam, the first limit support part and the second limit support part can be used to position the battery pack relative to the beam, so that the battery pack can be accurately installed on the beam; second, when the battery pack is relatively fixedly installed on the beam, the first limit support part and the second limit support part that cooperate and snap connection with each other can also play the role of limiting and supporting the battery pack, avoiding the battery pack from moving relative to the beam, making the installation of the battery pack on the beam more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 This is a schematic diagram of the overall structure of an electric vehicle at the position of the vehicle beam in one embodiment of the utility model;

[0035] Figure 2 This is a schematic diagram of the structure of an electric vehicle at the position of the vehicle beam in one embodiment of the utility model, wherein the battery pack is hidden;

[0036] Figure 3 This is a schematic diagram of the structure of a battery pack in one embodiment of the utility model;

[0037] Figure 4 This is a schematic diagram of the assembly structure of the vehicle beam and the connector bracket of the electric vehicle in one embodiment of the utility model;

[0038] Figure 5 This is a schematic structural diagram of the first position-limiting support portion in one embodiment of the utility model;

[0039] Figure 6 This is a schematic diagram of the structure of the second position-limiting support portion in one embodiment of the utility model;

[0040] Figure 7 This is a schematic structural diagram of a connector bracket in an embodiment of the utility model;

[0041] Figure 8 It is a schematic structural diagram of a vehicle-end connector in one embodiment of the utility model.

[0042] Description of reference numerals:

[0043] Battery Pack 10

[0044] Battery pack housing 110

[0045] Fixed frame 120

[0046] Accommodation space 121

[0047] Locking member 130

[0048] Car beam 20

[0049] Connector bracket 30

[0050] Installation port 310

[0051] Front longitudinal beam 40

[0052] Rear longitudinal beam 50

[0053] Locking mechanism 60

[0054] The first position limiting support portion 70

[0055] The second position limiting support portion 80

[0056] Vehicle end connector 90

[0057] Extension direction of beam L DETAILED DESCRIPTION

[0058] The embodiments of the utility model are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the utility model, and cannot be understood as limiting the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the utility model.

[0059] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "circumferential", "radial" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0060] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0061] This embodiment provides an electric vehicle, such as Figure 1 and Figure 2 As shown, the electric vehicle includes two beams 20 arranged in parallel to each other, the extension direction L of the beams is the travel direction of the electric vehicle, the two beams 20 are arranged on the same horizontal plane in the height direction of the electric vehicle, and the two beams 20 are arranged at intervals in a direction perpendicular to the travel direction of the electric vehicle, and components such as a transmission shaft are arranged in the area between the two beams 20. At the same time, a front longitudinal beam 40 and a rear longitudinal beam 50 parallel to each other are erected above the two beams 20, the extension directions of the front longitudinal beam 40 and the rear longitudinal beam 50 are perpendicular to the extension direction L of the beams, and the front longitudinal beam 40 and the rear longitudinal beam 50 are arranged at intervals in the extension direction L of the beams, and a connecting beam is also arranged between the front longitudinal beam 40 and the rear longitudinal beam 50 to maintain the stability of the position between the front longitudinal beam 40 and the rear longitudinal beam 50. Among them, the front longitudinal beam 40 and the rear longitudinal beam 50 are both mounted and fixed above the two vehicle beams 20, and in the extension direction L perpendicular to the vehicle beams, the corresponding vehicle beams 20 are extended from both ends of the front longitudinal beam 40 and the rear longitudinal beam 50 respectively, so that the overall structure after the two vehicle beams 20 and the front longitudinal beam 40 and the rear longitudinal beam 50 are assembled is similar to a "well" shape structure, and three locking mechanisms 60 are provided at both ends of the front longitudinal beam 40 and the rear longitudinal beam 50 extending relative to the vehicle beam 20.

[0062] like Figure 1 As shown, the electric vehicle further includes a battery pack 10, so as to utilize the electric energy of the battery pack 10 to meet the driving function or other functions of the electric vehicle. The specific structure of the battery pack 10 is as follows Figure 3As shown, the battery pack 10 mainly includes a plurality of battery cells (not shown in the figure) and a battery pack shell 110. The plurality of battery cells are connected to each other inside the battery pack shell 110. The overall structure of the battery pack shell 110 is a double-layer cubic structure, wherein the edge size of the upper structure is slightly smaller than the edge size of the lower structure, so that the upper structure and the lower structure form a surrounding step at the edge, and a locking member 130 is provided at a relative position of the surrounding step. In addition, the battery pack shell 110 is also connected to a fixed frame 120 on one side thereof, and the fixed frame 120 is protruding from the side. The interior of the fixed frame 120 is a hollow structure, that is, the interior of the fixed frame 120 has a receiving space 121, and the receiving space 121 is used to receive a battery terminal connector (not shown in the figure). The plug connector of the battery terminal connector is exposed through the hollow area on the fixed frame 120. After the multiple battery cells are connected to each other inside the battery pack shell 110 , they are uniformly connected to the battery terminal connector, and the battery terminal connector is used to uniformly transmit the electric energy of the multiple battery cells to the outside.

[0063] like Figure 2 , Figure 3 and Figure 4 As shown, the electric vehicle also includes a limit support assembly, which includes a first limit support portion 70 and a second limit support portion 80 arranged in pairs. The first limit support portion 70 is arranged on the battery pack 10, and the second limit support portion 80 is arranged on the beam 20 of the electric vehicle. When the battery pack 10 is installed on the beam 20 along an extension direction L perpendicular to the beam, the battery pack 10 cooperates with the locking mechanism 60 on the electric vehicle, and the first limit support portion 70 cooperates with the corresponding second limit support portion 80 to be clamped.

[0064] Specifically, the first limit support portion 70 is arranged on the side of the battery pack 10, specifically, on the side of the battery pack shell 110, and the second limit support portion 80 is arranged on the beam 20 of the electric vehicle. The battery pack 10 gradually approaches the beam 20 from the side of the beam 20. In the process of approaching, the first limit support portion 70 and the second limit support portion 80 also gradually approach each other. When the first limit support portion 70 and the second limit support portion 80 cooperate and engage with each other, the locking member 130 of the battery pack 10 can cooperate and lock with the locking mechanism 60 on the front longitudinal beam 40 and the rear longitudinal beam 50, so that the battery pack 10 can be stably installed on the beam 20. At this time, the battery end connector of the battery pack 10 can be connected to the vehicle end connector 90 of the electric vehicle, thereby realizing the transmission of electric energy.

[0065] Through this arrangement, the battery pack 10 can be installed on the beam 20 of the electric vehicle along the extension direction L perpendicular to the beam, and cooperate with the locking mechanism 60 on the electric vehicle to fix the battery pack 10 on the electric vehicle; at the same time, the first limiting support part 70 and the second limiting support part 80 are respectively provided on the battery pack 10 and the beam 20 of the electric vehicle, and the cooperation and clamping between the two can achieve dual effects. First, when the battery pack 10 approaches the beam 20 along the extension direction L perpendicular to the beam, the first limiting support part 70 and the second limiting support part 80 can be used to realize the positioning of the battery pack 10 relative to the beam 20, so that the battery pack 10 can be accurately installed on the beam 20; second, when the battery pack 10 is relatively fixedly installed on the beam 20, the first limiting support part 70 and the second limiting support part 80 that cooperate and clamp with each other can also play the role of limiting and supporting the battery pack 10, so as to prevent the battery pack 10 from moving relative to the beam 20, so that the installation of the battery pack 10 on the beam 20 is more stable.

[0066] As described above, when the first limiting support portion 70 and the second limiting support portion 80 are engaged with each other, the battery end connector of the battery pack 10 and the vehicle end connector 90 of the electric vehicle are connected, thereby realizing the transmission of electric energy. Figures 2 to 8 As shown, the upper battery terminal connector of the battery pack 10 is arranged inside the fixed frame 120, and the fixed frame 120 is fixed on the side of the battery pack shell 110, and the first limiting support portion 70 is also arranged on the side of the battery pack shell 110, that is, the battery terminal connector and the first limiting support portion 70 are both arranged on the same end face of the battery pack 10; at the same time, a connector bracket 30 is arranged in the middle area of ​​the two beams 20, and the connector bracket 30 is located below the beam 20 in the vertical direction of the electric vehicle, and the vehicle-end connector 90 is directly connected to the beam 20 through the connector bracket 30. Through this arrangement, the battery end connector and the first limit support portion 70 are arranged on the same end face of the battery pack 10, which can make the structure of the battery pack 10 more reasonable and simple. At the same time, the two are arranged on the same end face of the battery pack 10, and the end face of the battery pack 10 can be directly used to approach the vehicle beam 20, and the vehicle end connector 90 and the second limit support portion 80 are also provided on the vehicle beam 20. Therefore, when the first limit support portion 70 and the corresponding second limit support portion 80 are engaged and snapped together, it is more convenient to connect the battery end connector and the vehicle end connector 90, thereby realizing power transmission of the battery pack 10.

[0067] Of course, in other embodiments, the battery terminal connector and the first limiting support portion 70 may not be arranged on the same end surface of the battery pack 10, but adaptive adjustments are required during assembly to meet the functions of each component.

[0068] like Figure 1 and Figure 3 As shown, when the battery terminal connector and the first limit support portion 70 are both arranged on the same end face of the battery pack 10, in the extension direction L of the vehicle beam, the battery terminal connector is located in the middle of the end face of the battery pack 10, and the first limit support portion 70 is arranged corresponding to the battery terminal connector in the vertical direction of the electric vehicle. Figure 3 In the embodiment, the fixed frame 120 is not arranged at the middle position of the side of the battery pack shell 110 in the extension direction L of the vehicle beam, but extends from the middle position to one of the side surfaces. However, inside the fixed frame 120, the battery pack 10 connector is specifically arranged at the middle position of the side of the battery pack shell 110, that is, the battery pack 10 connector is located in the middle of the end surface of the battery pack 10. This arrangement makes the structure of the battery pack 10 more symmetrical. When the battery end connector of the battery pack 10 is connected to the vehicle end connector 90 of the vehicle beam 20 along the extension direction L perpendicular to the vehicle beam, it can also avoid the unbalanced force on the battery pack 10, resulting in unstable installation of the battery pack 10. At the same time, the first limiting support portion 70 is arranged in the vertical direction of the electric vehicle corresponding to the battery end connector, and limits and supports the connection portion between the battery end connector and the vehicle end connector 90, so that the electrical connection between the two is more stable.

[0069] Further, such as Figure 3 and Figure 4 As shown, the position limiting support assembly specifically includes two pairs of mutually cooperating first position limiting support parts 70 and second position limiting support parts 80, wherein the two first position limiting support parts 70 are arranged on the end face of the battery pack 10 along the extension direction L of the vehicle beam, the two first position limiting support parts 70 are arranged corresponding to the battery end connector in the vertical direction of the electric vehicle, and the two second position limiting support parts 80 are arranged on the vehicle beam 20 along the extension direction L of the vehicle beam. Through this arrangement, on the one hand, the two first position limiting support parts 70 are connected in a straight line, which better plays a positioning role, so that the battery end connector of the battery pack 10 can only be connected to the vehicle end connector 90 on the vehicle beam 20 at a specific position; on the other hand, when the battery pack 10 is relatively fixedly installed on the vehicle beam 20, the two pairs of mutually connected position limiting support devices can better play the role of limiting and supporting, and further ensure that the battery pack 10 will not move relative to the vehicle beam 20.

[0070] Of course, in other embodiments, the first limit support part 70 and the second limit support part 80 that cooperate with each other in the limit support assembly can also be set to other logarithms without fixed restrictions. The more logarithms there are, the better the corresponding positioning and support effects.

[0071] like Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, a first position-limiting support portion 70 and a second position-limiting support portion 80 are arranged in pairs, protruding from the end surface of the battery pack 10 and the vehicle beam 20, respectively, and are nested and engaged with each other during the movement of the battery pack 10. Specifically, since the battery pack housing 110 is a double-layer structure, a surrounding step is arranged at the connection of the double-layer structure, and a locking member 130 is arranged on two opposite sides of the surrounding step, and a first position-limiting support portion 70 is arranged on one side adjacent to the two sides where the locking member 130 is arranged. The first position-limiting support portion 70 is fixed to the surrounding step by means of screws and other elements using the lugs at both ends thereof, and is protruding from the side of the battery pack 10, while the second position-limiting support portion 80 is also fixed to the vehicle beam 20 by means of screws and other elements, and is protruding from the vehicle beam 20 in a direction perpendicular to the extension direction L of the vehicle beam. In addition, the first limit support part 70 and the second limit support part 80 are both hollow structures. The hollow structure inside the first limit support part 70 helps save materials and thus reduce costs. The hollow structure inside the second limit support part 80 matches the peripheral structure of the first limit support part 70, so that the first limit support part 70 can be inserted into the second limit support part 80. Through this arrangement, when the battery pack 10 gradually approaches the vehicle beam 20 from the side of the vehicle beam 20, the first limit support part 70 and the second limit support part 80 can be nested and connected with each other, and the positioning function is achieved during the nesting process. At the same time, after the two are nested, they exert force on each other, so as to better play their limiting and supporting functions.

[0072] Further, such as Figure 2 and Figure 3 As shown, the battery terminal connector is also protrudingly arranged on the end face of the battery pack 10 relative to the first limit support portion 70. It should be noted that when the battery pack 10 is installed on the vehicle beam 20, in the vertical direction of the electric vehicle, the upper structure of the battery pack housing 110 is moving and approaching the vehicle beam 20, and the lower structure of the battery pack housing 110 is located below the vehicle beam 20, and the battery terminal connector is specifically arranged at the position where the lower structure of the battery pack housing 110 is located. Therefore, when the first limit support portion 70 and the second limit support portion 80 arranged on the vehicle beam 20 are nested and engaged with each other, the battery terminal connector can extend out of the corresponding vehicle beam 20 and achieve a stable connection with the vehicle end connector 90, so as to avoid that when the first limit support portion 70 and the second limit support portion 80 are nested with each other, the battery terminal connector of the battery pack 10 and the corresponding vehicle end connector 90 are not yet connected or the connection is unstable. In addition, the vehicle-end connector 90 on the vehicle beam 20 is staggered with the vehicle in the vertical direction of the electric vehicle so as to be more adapted to the position of the battery-end connector on the battery pack 10, thereby making it more convenient for the battery-end connector and the corresponding connection to the vehicle-end connector 90 to achieve stable transmission of electric energy when the first limit support portion 70 and the second limit support portion 80 on the vehicle beam 20 are nested and engaged with each other.

[0073] like Figure 1 and Figure 2 As shown, the electric vehicle includes two beams 20, so battery packs 10 can be set on both sides of the two beams 20 in the extension direction L perpendicular to the beams. The two battery packs 10 are respectively located on both sides of the two beams 20. A front longitudinal beam 40 and a rear longitudinal beam 50 are mounted on the two beams 20, and the front longitudinal beam 40 and the rear longitudinal beam 50 are provided with three locking mechanisms 60 at the ends extending out of the beams 20. When each battery pack 10 is close to the corresponding beam 20, the locking members 130 on both sides of the battery pack 10 can be matched and connected with the locking mechanisms 60 at the corresponding ends of the front longitudinal beam 40 and the rear longitudinal beam 50, so that the two battery packs 10 can be stably fixed on the beams 20. When a pair of battery packs 10 are installed on both sides of the two beams 20, a pair of vehicle-end connectors 90 also need to be arranged in the middle area of ​​the two beams 20, and the paired vehicle-end connectors 90 are respectively connected to the battery-end connectors of the corresponding battery packs 10 in the extending direction L perpendicular to the beams. This arrangement makes the overall structure of the electric vehicle at the beam 20 more symmetrical, and the number of battery packs 10 can be increased, thereby increasing the capacity.

[0074] Furthermore, when a pair of vehicle-end connectors 90 are arranged in the middle area of ​​the two vehicle beams 20, in order to ensure the stability of the arrangement of the vehicle-end connectors 90, the electric vehicle is also provided with a connector bracket 30, such as Figure 4 and Figure 7 As shown, the connector bracket 30 is located in the middle of the paired beams 20 and is simultaneously connected to the paired beams 20. Figure 8 As shown, the paired vehicle-end connectors 90 are all mounted on the connector bracket 30, and along the extension direction L perpendicular to the vehicle beam, the connection ends of the paired vehicle-end connectors 90 are arranged opposite to each other, that is, the vehicle-end connectors 90 are all arranged at the installation opening 310 of the connector bracket 30, and the connection ends of the vehicle-end connectors 90 are all exposed through the installation opening 310. Through this arrangement, the paired vehicle-end connectors 90 are fixed in the middle of the paired vehicle beams 20 by using the connector bracket 30, which is more stable in structure and more flexible in arrangement of the vehicle-end connectors 90. When the connection ends of the paired vehicle-end connectors 90 are arranged opposite to each other, it is more convenient to stably connect the battery pack 10 on both sides of the vehicle beam 20.

[0075] like Figure 2 and Figure 3As shown, the battery-end connector is arranged below the first limit support portion 70 in the vertical direction of the electric vehicle, and the vehicle-end connector 90 is located below the vehicle beam 20 in the vertical direction of the electric vehicle. Through this arrangement, the battery-end connectors of the battery pack 10 are plugged into the vehicle-end connector 90 below the vehicle beam 20, making full use of the space below the vehicle beam 20, while reducing the longitudinal height of the battery pack 10 as much as possible to avoid interference between the battery pack 10 and the components on the upper part of the vehicle. Furthermore, in the vertical direction of the electric vehicle, the upper surface of the battery pack 10 is located below the vehicle beam 20, so that the battery pack 10 is completely located below the vehicle beam 20, thereby further reducing the longitudinal height of the battery pack 10.

[0076] In this embodiment, by setting the above-mentioned limiting support assembly on the electric vehicle, the battery pack 10 can be stably connected at both sides of the beam 20 of the electric vehicle, while avoiding interference between the battery pack 10 and components such as the transmission shaft between the beam 20.

[0077] Although the specific implementations of the utility model are described above, those skilled in the art should understand that this is only an example, and the protection scope of the utility model is defined by the attached claims. Those skilled in the art can make various changes or modifications to these implementations without departing from the principle and essence of the utility model, but these changes and modifications fall within the protection scope of the utility model.

Claims

1. A limit support assembly, applied to an electric vehicle, characterized in that: The electric vehicle includes a battery pack; the position-limiting support assembly includes at least a pair of first position-limiting support parts and second position-limiting support parts that cooperate with each other, the first position-limiting support part is arranged on the battery pack, and the second position-limiting support part is arranged on the beam of the electric vehicle; When the battery pack is installed on the vehicle beam along an extension direction perpendicular to the vehicle beam, the battery pack cooperates with a locking mechanism on the electric vehicle, and the first position-limiting support portion cooperates and engages with the corresponding second position-limiting support portion.

2. The position limiting support assembly according to claim 1, characterized in that: The battery pack includes a battery end connector, and the battery end connector and the first limit support portion are both arranged on the same end surface of the battery pack; the electric vehicle includes a vehicle end connector, and the vehicle end connector is connected to the vehicle beam; When the first position-limiting support portion is engaged with the corresponding second position-limiting support portion, the battery-end connector is connected to the vehicle-end connector.

3. The position limiting support assembly according to claim 2, characterized in that: Along the extension direction of the vehicle beam, the battery terminal connector is located in the middle part of the end surface of the battery pack, and the first limiting support portion is arranged corresponding to the battery terminal connector in the vertical direction.

4. The position limiting support assembly according to claim 3, characterized in that: The position-limiting support assembly includes two pairs of mutually matching first position-limiting support parts and second position-limiting support parts, and the two first position-limiting support parts are arranged on the end surface of the battery pack along the extension direction of the vehicle beam.

5. The position limiting support assembly according to claim 2, characterized in that: The first position-limiting support portion and the second position-limiting support portion, which are arranged in pairs, are respectively protruded relative to the end surface of the battery pack and the vehicle beam, and are nested and engaged with each other during the movement of the battery pack.

6. The position limiting support assembly according to claim 5, characterized in that: The battery terminal connector is protrudingly arranged on the end surface of the battery pack relative to the first limiting support portion; And / or, the vehicle-end connector is arranged offset from the vehicle beam in the vertical direction.

7. The position limiting support assembly according to claim 6, characterized in that: The battery packs and the vehicle-end connectors are arranged in pairs, and the paired vehicle-end connectors are located in the middle of the paired vehicle beams, and are respectively connected to the battery-end connectors corresponding to the battery packs along an extension direction perpendicular to the vehicle beams.

8. The position limiting support assembly according to claim 7, characterized in that: The electric vehicle further comprises a connector bracket, the connector bracket being located in the middle of the vehicle beams arranged in pairs and being connected to the vehicle beams arranged in pairs at the same time; The vehicle-end connectors arranged in pairs are both mounted on the connector bracket, and the connecting ends of the vehicle-end connectors arranged in pairs are arranged opposite to each other along an extending direction perpendicular to the vehicle beam.

9. The position limiting support assembly according to claim 5, characterized in that: The battery-end connector is disposed below the first position-limiting support portion in the vertical direction, and the vehicle-end connector is located below the vehicle beam in the vertical direction.

10. The position limiting support assembly according to claim 9, characterized in that: In the vertical direction, the upper surface of the battery pack is located below the vehicle beam.

11. An electric vehicle, characterized in that: The electric vehicle includes a limiting support assembly as described in any one of claims 1-10.

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