Bottom protection plate structure, battery pack and vehicle

Abstract

The utility model provides a bottom protection plate structure, a battery pack and a vehicle, and relates to the technical field of power batteries. The bottom protection plate structure comprises a bottom protection plate body, a first reinforcing piece and at least one buffering piece. The first reinforcing piece is arranged on the bottom protection plate body, and the first reinforcing piece and part of the bottom protection plate body jointly form at least one buffering piece installation position. And the buffer pieces are correspondingly arranged in the buffer piece mounting positions. The first reinforcing piece is arranged on the bottom protection plate body to improve the structural strength of the bottom protection plate body, the first reinforcing piece and part of the bottom protection plate body form the buffer piece mounting position, the buffer piece is positioned and mounted on the buffer piece mounting position, and when the bottom protection plate body is impacted and locally deforms, the buffer piece plays a role in buffering, so that the service life of the bottom protection plate body is prolonged. Therefore, the ball strike resistance of the bottom guard plate body is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of power batteries, in particular to a bottom protection plate structure, a battery pack and a vehicle. BACKGROUND

[0002] At present, new energy vehicles have gradually become the main means of transportation for people. In order to ensure that new energy vehicles can operate normally, the service life and safety of the battery pack in the power battery system are usually guaranteed.

[0003] The battery pack is generally arranged at the bottom of the new energy vehicle. During driving, the new energy vehicle is often impacted by stones, branches and the like, thereby causing the bottom shell of the battery pack to be broken, and even the electric cells in the battery pack to be damaged and deformed, which exists a safety hazard. CONTENT OF THE INVENTION

[0004] The present application provides a bottom protection plate structure, a battery pack and a vehicle, to solve the problem of poor protection effect of the battery pack caused by unreasonable design and poor strength of the bottom protection plate structure.

[0005] In a first aspect, the present application provides a bottom protection plate structure, comprising a bottom protection plate body, a first reinforcing member and at least one buffer member.

[0006] The first reinforcing member is arranged on the bottom protection plate body, and the first reinforcing member and part of the bottom protection plate body jointly form at least one buffer member mounting position.

[0007] The buffer member is correspondingly arranged in the buffer member mounting position.

[0008] In a possible implementation manner, the bottom protection plate structure provided by the present application comprises a buffer reinforcing portion arranged on the bottom protection plate body.

[0009] The buffer reinforcing portion is correspondingly located in the buffer member mounting position, and the buffer reinforcing portion is recessed on the side away from the buffer member.

[0010] In a possible implementation manner, the bottom protection plate structure provided by the present application comprises a first reinforcing member in the form of a protrusion formed on the bottom protection plate body, and the first reinforcing member is recessed on the side away from the buffer member.

[0011] In a possible implementation manner, the bottom protection plate structure provided by the present application comprises a first reinforcing member and a second reinforcing member.

[0012] The first reinforcing portion and the second reinforcing portion separate the bottom protection plate body into a plurality of buffer member mounting positions.

[0013] In a possible implementation manner, the bottom protection plate structure provided by the present application comprises a first reinforcing portion and a second reinforcing portion.

[0014] In a possible implementation, the bottom guard plate structure provided in the present application is provided with a connecting hole on at least one of the first reinforcing part and the second reinforcing part;

[0015] The connecting hole is used for connecting with the frame of the battery pack.

[0016] In a possible implementation, the bottom guard plate structure provided in the present application is provided with a second reinforcing part on the bottom guard plate body;

[0017] The second reinforcing part is arranged at the connecting position of the first reinforcing part and the second reinforcing part.

[0018] In a possible implementation, the bottom guard plate structure provided in the present application is provided with a bottom guard plate body having a cell mounting position and an electrical mounting position;

[0019] The first reinforcing part is arranged at the cell mounting position, and the electrical mounting position is provided with a third reinforcing part.

[0020] In a possible implementation, the bottom guard plate structure provided in the present application is provided with a bottom guard plate body having a cell mounting position and an electrical mounting position;

[0021] In a possible implementation, the bottom guard plate structure provided in the present application is provided with a bottom guard plate body having a cell mounting position and an electrical mounting position;

[0022] The utility model provides a kind of bottom guard plate structure, battery pack and vehicle.The bottom guard plate structure includes bottom guard plate body, first reinforcing part and at least one buffer piece.The first reinforcing part is arranged on the bottom guard plate body, and the first reinforcing part and part of the bottom guard plate body form at least one buffer piece mounting position together.The buffer piece is correspondingly arranged in the buffer piece mounting position.The present application is provided with the first reinforcing part on the bottom guard plate body, to improve the structural strength of the bottom guard plate body, and the buffer piece mounting position is formed by the first reinforcing part and part of the bottom guard plate body, and the buffer piece is positioned and installed on the buffer piece mounting position, when the bottom guard plate body is locally deformed by impact, buffer effect is played by the buffer piece, to improve the ball impact resistance of the bottom guard plate body. BRIEF DESCRIPTION OF DRAWINGS

[0023] The drawings incorporated into the specification and forming part of the specification, show the embodiments consistent with the present application, and together with the specification, are used to explain the principles of the present application.

[0024] Figure 1 The structural schematic diagram of the bottom guard plate structure provided in the present application is shown in the drawings;

[0025] Figure 2 The structural schematic diagram of the first side of the bottom guard plate body provided in the present application is shown in the drawings;

[0026] Figure 3A structure schematic view of the second side of the bottom protection plate body provided by the embodiment of the present application is upward;

[0027] Figure 4 A structure schematic view of another angle of the bottom protection plate body provided by the embodiment of the present application is shown in FIG. 1B. Figure 2 A structure schematic view of another angle of the bottom protection plate body provided by the embodiment of the present application is shown in FIG. 1B.

[0028] Figure 5 A structure schematic view of the battery pack provided by the embodiment of the present application is shown in FIG. 2.

[0029] Explanation of reference signs:

[0030] 100, bottom protection plate structure;

[0031] 110, bottom protection plate body;

[0032] 111, electric core installation position;

[0033] 112, electric installation position;

[0034] 113, first side;

[0035] 114, second side;

[0036] 120, first reinforcing member;

[0037] 121, first reinforcing portion;

[0038] 122, second reinforcing portion;

[0039] 123, connecting hole;

[0040] 130, buffer member;

[0041] 140, buffer member installation position;

[0042] 150, buffer reinforcing portion;

[0043] 160, second reinforcing member;

[0044] 170, third reinforcing member;

[0045] 180, fourth reinforcing member;

[0046] 190, connecting portion;

[0047] 200, side frame;

[0048] 300, cross beam;

[0049] 400, longitudinal beam.

[0050] The accompanying drawings illustrate specific embodiments of this application, which will be described in more detail below. These drawings and descriptions are not intended to limit the scope of the concept in any way, but rather to illustrate the concept of this application to those skilled in the art through reference to particular embodiments. Detailed Implementation

[0051] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims.

[0052] The terms “first,” “second,” “third,” and “fourth,” etc. (if present), in the specification, claims, and accompanying drawings of this utility model are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that embodiments of the utility model described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms “comprising” and “having,” and any variations thereof, are intended to cover a non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0053] As mentioned in the background section, battery packs are generally located at the bottom of new energy vehicles. During operation, these vehicles are frequently subjected to impacts from stones, branches, and other objects, which can cause the bottom shell of the battery pack to crack or even damage and deform the cells inside, posing a safety hazard.

[0054] To protect the battery pack, a bottom guard plate is usually installed at the bottom of the battery pack to absorb the impact from stones, branches, etc., thereby reducing the risk of damage to the battery cells inside the battery pack.

[0055] However, the existing bottom protection plate has an unreasonable structural design and poor structural strength, resulting in poor protection of the battery pack.

[0056] In view of the above problems existing in the prior art, the utility model provides a bottom guard plate structure, a battery pack and a vehicle. The bottom guard plate structure comprises a bottom guard plate body, a first reinforcing piece and at least one buffer piece. The first reinforcing piece is arranged on the bottom guard plate body, and the first reinforcing piece and part of the bottom guard plate body jointly form at least one buffer piece mounting position. The buffer piece is correspondingly arranged in the buffer piece mounting position. The first reinforcing piece is arranged on the bottom guard plate body to improve the structural strength of the bottom guard plate body, and the buffer piece mounting position is formed by the first reinforcing piece and part of the bottom guard plate body, and the buffer piece is positioned and mounted on the buffer piece mounting position, so that the buffer piece plays a buffering role when the bottom guard plate body is locally deformed due to impact, thereby improving the ball impact resistance of the bottom guard plate body.

[0057] The exemplary application scenarios of the utility model are introduced below.

[0058] The bottom guard plate structure provided by the utility model can be applied to the battery pack of a new energy automobile, such as the battery pack of a pure electric drive vehicle, the battery pack of a plug-in hybrid vehicle and the like. Specifically, the bottom guard plate structure provided by the utility model improves the structural strength of the bottom guard plate body by arranging the first reinforcing piece on the bottom guard plate body, and the buffer piece mounting position is formed by the first reinforcing piece and part of the bottom guard plate body, and the buffer piece is positioned and mounted on the buffer piece mounting position, so that the buffer piece plays a buffering role when the bottom guard plate body is locally deformed due to impact, thereby improving the ball impact resistance of the bottom guard plate body.

[0059] The technical solutions of the application and how the technical solutions of the application solve the above technical problems are described in detail below with specific embodiments. The following specific embodiments can be combined with each other, and the same or similar concepts or processes can not be described again in some embodiments. The embodiments of the application will be described below with reference to the drawings.

[0060] Referring to Figures 1 to 4 The bottom guard plate structure 100 provided by the application comprises a bottom guard plate body 110, a first reinforcing piece 120 and at least one buffer piece 130.

[0061] The first reinforcing piece 120 is arranged on the bottom guard plate body 110, and the first reinforcing piece 120 and part of the bottom guard plate body 110 jointly form at least one buffer piece mounting position 140.

[0062] The buffer piece 130 is correspondingly arranged in the buffer piece mounting position 140.

[0063] It can be understood that the bottom protection plate structure 100 provided by the application can be used in a battery pack, and the battery pack further comprises a plurality of side frames 200, at least one battery cell group, and an upper cover. The plurality of side frames 200 are arranged around the edges of the bottom protection plate body 110 of the bottom protection plate structure 100 to form a mounting cavity, the battery cell group can be placed in the mounting cavity, and the upper cover is connected to the end of the side frame 200 away from the bottom protection plate structure 100 to encapsulate the battery cell group.

[0064] Referring to Figure 1 and Figure 5 As shown, the first reinforcing member 120 is arranged on the bottom protection plate body 110, so as to improve the structural strength of the bottom protection plate body 110. The bottom protection plate body 110 has a first side surface 113 and a second side surface 114 arranged oppositely, and the first reinforcing member 120 and the first side surface 113 jointly form a buffer member mounting position 140. In the installation, the first side surface 113 faces the side frame 200, the side frame 200 can be arranged on the periphery of the first side surface 113 of the bottom protection plate body 110, and the battery cell group and the buffer member 130 correspondingly abut, so that when the bottom protection plate body 110 is locally deformed due to impact, the buffer member 130 can absorb and disperse the impact force, reduce the direct impact on the battery cell group, and thus protect the battery cell group from damage. Moreover, the buffer member mounting position 140 formed by the first reinforcing member 120 and the first side surface 113 is used to position and install the buffer member 130, so as to facilitate the buffer member 130 to be aligned with the battery cell group.

[0065] The application improves the structural strength of the bottom protection plate body 110 by arranging the first reinforcing member 120 on the bottom protection plate body 110, and forms the buffer member mounting position 140 by the first reinforcing member 120 and part of the bottom protection plate body 110, and the buffer member 130 is positioned and installed on the buffer member mounting position 140, so as to play a buffering role by the buffer member 130 when the bottom protection plate body 110 is locally deformed due to impact, thereby improving the ball impact resistance of the bottom protection plate body 110.

[0066] It can be understood that the number of at least one buffer member mounting position 140 and at least one buffer member 130, i.e. the number of the buffer member mounting position 140 and the buffer member 130, can be one or multiple, as long as the number of the buffer member mounting position 140 and the buffer member 130 is consistent, and the application embodiment does not make too many limitations thereon, and can be adaptively matched according to the number of the battery cell group in the battery pack.

[0067] The buffer member mounting position 140 can facilitate the installation and positioning of the buffer member 130, and the buffer member 130 can be arranged on the buffer member mounting position 140 by means of adhesion. For example, the buffer member 130 can be foam, aerogel, and other similar structures, and the application does not make too many limitations thereon.

[0068] In some embodiments, referring toFigures 2 to 4 As shown in

[0069] The buffer reinforcing portion 150 is recessed toward the side away from the buffer member 130.

[0070] In the above embodiment, the buffer reinforcing portion 150 corresponds to the buffer member mounting position 140, so as to strengthen the structural strength of the part of the bottom guard plate body 110 corresponding to the buffer member mounting position 140, thereby improving the ball impact resistance of the part.

[0071] In some embodiments, as shown in Figure 2 and Figure 3 The buffer reinforcing portion 150 is recessed toward the side away from the buffer member 130, and the buffer member 130 has a clearance distance with the buffer reinforcing portion 150. In this way, when the buffer reinforcing portion 150 is impacted, it is first locally deformed between the clearance distance to disperse the impact force and reduce direct impact on the buffer member 130, and then further absorbs the impact force through the buffer member 130 to ensure effective protection of the battery cell group.

[0072] For example, as shown in Figure 2 and Figure 3 The buffer reinforcing portion 150 can be a reinforcing rib, and the buffer reinforcing portion 150 is recessed toward the second side surface 114 and protrudes outward from the second side surface 114. The buffer reinforcing portion 150 and the bottom guard plate body 110 can be integrally formed by stamping to improve the connection strength. The shape of the buffer reinforcing portion 150 can be a rhombus, a square, a rectangle, or a parallelogram, or other shapes, which are not limited in the present application.

[0073] In some embodiments, as shown in Figures 2 to 4 The first reinforcing member 120 is a protrusion formed on the bottom guard plate body 110, and the first reinforcing member 120 is recessed toward the side away from the buffer member 130.

[0074] In the above embodiment, the first reinforcing member 120 is recessed toward the side away from the buffer member 130, so that the first reinforcing member 120 and part of the bottom guard plate body 110 jointly form the buffer member mounting position 140.

[0075] For example, as shown in Figure 2 and Figure 3 The first reinforcing member 120 can be a reinforcing rib, and the first reinforcing member 120 is recessed toward the second side surface 114 and protrudes outward from the second side surface 114. The first reinforcing member 120 and the bottom guard plate body 110 can be integrally formed by stamping to improve the connection strength.

[0076] In some embodiments, as shown inFigures 2 to 4 As shown, the first reinforcing member 120 comprises a first reinforcing portion 121 and a second reinforcing portion 122.

[0077] The first reinforcing portion 121 and the second reinforcing portion 122 divide the bottom guard body 110 into a plurality of buffer member mounting positions 140.

[0078] It can be understood that the number of the buffer members 130 is plural, the number of the buffer reinforcing portions 150 is plural, each buffer member 130 is arranged one-to-one on each buffer member mounting position 140, and each buffer reinforcing portion 150 is arranged one-to-one corresponding to each buffer member mounting position 140.

[0079] In the above embodiment, the bottom guard body 110 is divided into a plurality of buffer member mounting positions 140 by the first reinforcing portion 121 and the second reinforcing portion 122, which can be matched one-to-one with a plurality of battery cell groups in the battery pack, and the buffer protection performance of each battery cell group is improved by the buffer member 130 and the buffer reinforcing portion 150 corresponding to each buffer member mounting position 140.

[0080] In some specific embodiments, referring to Figures 2 to 4 As shown, the first reinforcing portion 121 and the second reinforcing portion 122 are cross-connected, and at least one end of the first reinforcing portion 121 is connected with the side wall of the bottom guard body 110.

[0081] In the above embodiment, the first reinforcing portion 121 and the second reinforcing portion 122 are cross-connected, which can further enhance the structural strength of the bottom guard body 110. And at least one end of the first reinforcing portion 121 is connected with the side wall of the bottom guard body 110, which can provide effective support to reduce the deformation of the bottom guard body 110.

[0082] Preferably, the first reinforcing portion 121 and the second reinforcing portion 122 are cross-connected in a cross shape, and the first reinforcing portion 121, the second reinforcing portion 122, and the side wall of the first side surface 113 of the bottom guard body 110 form four buffer member mounting positions 140 to correspond to four battery cell groups in the battery pack.

[0083] In some embodiments, referring to Figure 2 and Figure 4 As shown, at least one of the first reinforcing portion 121 and the second reinforcing portion 122 is provided with a connecting hole 123.

[0084] The connecting hole 123 is used for connecting with the frame of the battery pack.

[0085] It can be understood that the frame of the battery pack can include the above-mentioned side frame 200, cross beam 300, and longitudinal beam 400.

[0086] In the above embodiments, the first reinforcing portion 121 and / or the second reinforcing portion 122 can be fixedly connected with the frame of the battery pack by a fastener such as a bolt, a rivet nut, etc. passing through the connecting hole 123, so as to further improve the stability of the connection between the bottom guard plate body 110 and the frame of the battery pack.

[0087] For example, as shown in Figure 3 and Figure 5 , the first reinforcing portion 121 and the second reinforcing portion 122 are cross-connected, the first reinforcing portion 121 and the second reinforcing portion 122 are provided with connecting holes 123, the first reinforcing portion 121 corresponds to the cross beam 300, and the second reinforcing portion 122 corresponds to the longitudinal beam 400. In this way, the first reinforcing portion 121 and the cross beam 300 can be connected together by a fastener, and the second reinforcing portion 122 and the longitudinal beam 400 can be connected together by a fastener.

[0088] In this way, the first reinforcing portion 121 and the second reinforcing portion 122 can enhance the connection strength between the bottom guard plate body 110 and the cross beam 300 and the longitudinal beam 400, and reduce the deformation of the part of the bottom guard plate body 110 connected with the cross beam 300 and the longitudinal beam 400.

[0089] In some embodiments, as shown in Figures 2 to 4 , the bottom guard plate body 110 is provided with a second reinforcing member 160.

[0090] The second reinforcing member 160 is arranged at the connecting position of the first reinforcing portion 121 and the second reinforcing portion 122.

[0091] In the above embodiments, the second reinforcing member 160 can enhance the structural strength of the connecting position of the first reinforcing portion 121 and the second reinforcing portion 122, and improve the stability between the first reinforcing portion 121 and the second reinforcing portion 122.

[0092] Specifically, as shown in Figure 4 and Figure 5 , the first reinforcing portion 121 and the second reinforcing portion 122 are cross-arranged, and the shape of the second reinforcing member 160 can be a cross shape. The cross-shaped second reinforcing member 160 can correspond to the connecting position of the cross beam 300 and the longitudinal beam 400, so as to improve the stability of the overall structure of the bottom guard plate body 110.

[0093] For example, as shown in Figure 2 and Figure 3 , the second reinforcing member 160 can be a reinforcing rib, and the second reinforcing member 160 is recessed from the second side surface 114 towards the first side surface 113 and protrudes outwardly from the first side surface 113.

[0094] For example, as shown in Figure 3 and Figure 5 , the second reinforcing member 160 can be a reinforcing rib, and the second reinforcing member 160 is recessed from the second side surface 114 towards the first side surface 113 and protrudes outwardly from the first side surface 113.As shown, in the battery pack, the crossbeam 300 can correspond to the first reinforcing part 121, and the longitudinal beam 400 can correspond to the second reinforcing part 122, so that each cell group corresponds one-to-one with the buffer mounting position 140 on the bottom protective plate body 110.

[0095] In some embodiments, refer to Figures 2 to 4 As shown, the bottom cover body 110 has a cell mounting position 111 and an electrical mounting position 112.

[0096] The first reinforcing member 120 is located at the cell mounting position 111, and the third reinforcing member 170 is provided on the electrical mounting position 112.

[0097] In the above embodiments, the cell mounting position 111 corresponds to the cell group in the battery pack, and the electrical mounting position 112 corresponds to the electrical components in the battery pack, such as the battery disconnect unit (BDU). The first reinforcing member 120 enhances the structural strength of the cell mounting position 111 area of ​​the bottom protective plate body 110, and the third reinforcing member 170 enhances the structural strength of the electrical mounting position 112 area of ​​the bottom protective plate body 110, thereby improving the overall structural stability.

[0098] For example, refer to Figure 2 and Figure 3 As shown, the third reinforcing member 170 can be a reinforcing rib. The third reinforcing member 170 is recessed from the first side 113 toward the second side 114 and protrudes outward from the second side 114.

[0099] Among them, reference Figure 2 and Figure 3 As shown, the edge region of the bottom protective plate body 110 may also be provided with a plurality of fourth reinforcing members 180 at circumferential intervals to improve the structural strength of the edge region of the bottom protective plate body 110. For example, the fourth reinforcing member 180 may be a reinforcing rib, and the shape of the fourth reinforcing member 180 may be triangular, fan-shaped, etc.

[0100] Among them, the first reinforcing member 120, the second reinforcing member 160, the buffer reinforcing part 150, the third reinforcing member 170 and the fourth reinforcing member 180 on the bottom guard plate body 110 can be shaped by simulation topology according to the layout design of the battery pack, so as to match the battery pack to achieve the optimal shape, improve the rigidity of the bottom guard plate and enhance the overall pack mode.

[0101] In some embodiments, refer to Figures 1 to 3 As shown, the bottom cover body 110 is surrounded by a connecting portion 190. The connecting portion 190 is provided with a plurality of fixing holes for connecting the connecting portion 190 to the side frame 200 of the battery pack. The surface of the connecting portion 190 facing the side frame 200 is flat.

[0102] In the above embodiment, the connecting portion 190 can be connected with the side frame 200 through a fixing hole by means of a fastener such as a bolt, a rivet nut, etc. A sealing gasket is arranged between the connecting portion 190 and the side frame 200, and the surface of the side of the connecting portion 190 facing the side frame 200 is flat, so that the side of the connecting portion 190 is closely attached to the sealing gasket, thereby improving the sealing performance between the connecting portion 190 and the side frame 200.

[0103] Referring to Figure 5 The battery pack provided by the present application comprises a frame and the bottom guard plate structure 100 as above, and the frame is connected with the bottom guard plate structure 100.

[0104] The frame can comprise the side frame 200, the cross beam 300 and the longitudinal beam 400.

[0105] In the embodiment of the present application, since the battery pack adopts the bottom guard plate structure 100 in the above embodiment, it also has the advantages and benefits brought by the bottom guard plate structure 100 as above, that is, the first reinforcing member 120 is arranged on the bottom guard plate body 110 to improve the structural strength of the bottom guard plate body 110, and the buffer member mounting position 140 is formed by the first reinforcing member 120 and part of the bottom guard plate body 110, the buffer member 130 is positioned and mounted on the buffer member mounting position 140, and when the bottom guard plate body 110 is locally deformed due to impact, the buffer member 130 plays a buffering role to improve the ball impact resistance of the bottom guard plate body 110.

[0106] It can be understood that the battery pack further comprises at least one battery cell group, each side frame 200 is arranged on one side of the bottom guard plate body 110 of the bottom guard plate structure 100 to enclose a mounting chamber, the battery cell group is arranged in the mounting chamber, and the battery cell group abuts against the buffer member 130.

[0107] The vehicle provided by the present application comprises a vehicle body and the battery pack as above, and the battery pack is arranged on the vehicle body.

[0108] In the above structure, since the vehicle adopts the battery pack in the above embodiment, it also has the advantages and benefits brought by the battery pack as above, which will not be described here.

[0109] Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. The present application is intended to cover any variations, uses or adaptive changes of the present application following the general principles of the present application and including known equivalents or modifications within the scope of the present application. The specification and examples are to be considered exemplary only, and the true scope and spirit of the present application are indicated by the following claims.

[0110] It is to be understood that the application is not limited to the precise construction already described above and shown in the drawings, and that various modifications and changes can be made by those skilled in the art without departing from the scope of the application. The scope of the application should only be limited by the claims appended hereto.

Claims

1. A kick plate structure, characterized by, The bottom guard plate structure (100) comprises a bottom guard plate body (110), a first reinforcing member (120) and at least one buffer member (130). The first reinforcing member (120) is arranged on the bottom guard plate body (110), and the first reinforcing member (120) and part of the bottom guard plate body (110) jointly form at least one buffer member mounting position (140). The buffer member (130) is arranged in the buffer member mounting position (140) correspondingly.

2. The underpan structure according to claim 1, characterized by The bottom guard plate body (110) is provided with a buffer reinforcing portion (150). The buffer reinforcing portion (150) is located in the buffer member mounting position (140) correspondingly, and the buffer reinforcing portion (150) is recessed towards a side away from the buffer member (130).

3. The underpan structure according to claim 1, characterized by The first reinforcing member (120) is a protrusion formed on the bottom guard plate body (110), and the first reinforcing member (120) is recessed towards a side away from the buffer member (130).

4. The underpan structure according to claim 3, characterized by The first reinforcing member (120) comprises a first reinforcing portion (121) and a second reinforcing portion (122). The first reinforcing portion (121) and the second reinforcing portion (122) divide the bottom guard plate body (110) into a plurality of buffer member mounting positions (140).

5. The underpan structure according to claim 4, characterized by The first reinforcing portion (121) and the second reinforcing portion (122) are cross-connected, and at least one end of the first reinforcing portion (121) is connected with a side wall of the bottom guard plate body (110).

6. The underpan structure according to claim 4, wherein At least one of the first reinforcing portion (121) and the second reinforcing portion (122) is provided with a connecting hole (123). The connecting hole (123) is used for connecting with a frame of a battery pack.

7. The underpan structure according to claim 5, wherein The bottom guard plate body (110) is provided with a second reinforcing member (160). The second reinforcing member (160) is arranged at a connecting position of the first reinforcing portion (121) and the second reinforcing portion (122).

8. The underpan structure according to any one of claims 1 to 7, characterized in that, The bottom guard plate body (110) has a battery cell mounting position (111) and an electrical mounting position (112). The first reinforcing member (120) is located at the battery cell mounting position (111), and the electrical mounting position (112) is provided with a third reinforcing member (170).

9. A battery pack, characterized by, The battery pack comprises a frame and the bottom guard plate structure (100) according to any one of claims 1 to 8, and the frame is connected with the bottom guard plate structure (100).

10. A vehicle characterized by comprising: The battery pack comprises a vehicle body and the battery pack according to claim 9, and the battery pack is arranged on the vehicle body.

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