CN219419308U - Battery box guard plate structure and battery box - Google Patents

Abstract

The embodiment of the application provides a battery box guard plate structure and a battery box, wherein the battery box guard plate structure comprises a guard plate assembly and a reinforcing rib assembly, and the guard plate assembly comprises a bottom plate and two first side plates arranged at two ends of the bottom plate along a first direction; the reinforcing rib assembly comprises a first reinforcing rib and a second reinforcing rib, the first reinforcing rib is arranged on the bottom plate and extends along a second direction, the second reinforcing rib extends along the first direction and is fixedly connected with the first reinforcing rib, and two ends of the second reinforcing rib are respectively connected with the two first side plates; the first direction and the second direction are intersected. According to the battery box guard plate structure, the first reinforcing ribs and the second reinforcing ribs which are mutually fixed are arranged on the bottom plate, so that the structural strength of the battery box guard plate structure is improved; and, because the second strengthening rib is connected with first side board, consequently battery box backplate structure can pass through on the box of first side board transmission battery box with the outside impact that receives to reduce the impact and to the influence that the electric core caused, improved the security performance of electric core.

Description

Battery box guard plate structure and battery box

Technical Field

The application belongs to the technical field of batteries, and particularly relates to a battery box guard plate structure and a battery box.

Background

The battery box of the new energy automobile is generally fixedly arranged under the chassis of the automobile, and is easy to be impacted by foreign objects in the running process of the automobile, so that the battery box is damaged, the performance of a battery core in the battery box is affected, and the battery of the automobile is disabled or even exploded.

At present, protection to the battery box is generally enhanced by arranging a guard plate at the bottom of the battery box, but the guard plate is generally formed by stamping a single-layer metal plate, so that the protection performance is poor, and the safety of the battery core of the battery box when the battery box is impacted by foreign objects cannot be ensured.

Disclosure of Invention

The embodiment of the application provides a battery box guard plate structure and battery box, can improve the protective performance of battery box, ensure the safety of the electric core in the battery box.

In one aspect, the embodiment of the application provides a battery box guard plate structure, which comprises a guard plate assembly and a reinforcing rib assembly, wherein the guard plate assembly comprises a bottom plate and two first side plates which are respectively arranged at two ends of the bottom plate along a first direction; the reinforcing rib assembly comprises a first reinforcing rib and a second reinforcing rib, the first reinforcing rib is arranged on the bottom plate and extends along a second direction, the second reinforcing rib extends along a first direction and is fixedly connected with the first reinforcing rib, and two ends of the second reinforcing rib are respectively connected with the two first side plates; the first direction and the second direction are intersected.

According to one aspect of the application, the battery box guard plate structure further comprises a plurality of buffer pieces arranged on the bottom plate at intervals, and projection of the buffer pieces on the bottom plate and projection of the first reinforcing ribs on the bottom plate do not overlap in the thickness direction of the bottom plate.

According to one aspect of the application, the first reinforcing ribs are a plurality of, and the plurality of first reinforcing ribs are arranged at intervals along the first direction.

According to an aspect of the application, the battery box guard plate structure further comprises a connecting rib extending along the first direction, the connecting rib is arranged at one end of the first reinforcing rib along the second direction, and the connecting rib is connected with a plurality of first reinforcing ribs.

According to one aspect of the application, the stiffener assembly further comprises a first bond line coating disposed on a side of the first stiffener remote from the base plate and on a side of the first stiffener remote from the base plate.

According to one aspect of the application, the first reinforcing rib is provided with a concave portion matched with the second reinforcing rib, the reinforcing rib assembly further comprises a second connecting adhesive layer, and the second connecting adhesive layer is coated on the concave portion.

According to one aspect of the application, the first reinforcing rib is provided with a plurality of concave portions, the plurality of concave portions are arranged at intervals along the second direction, the second reinforcing rib is provided with a plurality of concave portions, and the plurality of second reinforcing ribs are in one-to-one correspondence with the plurality of concave portions.

According to one aspect of the application, the guard plate assembly further comprises two second side plates respectively arranged at two ends of the bottom plate along the second direction, and the ends of the second side plates are connected with the ends of the first side plates.

According to one aspect of the application, the backplate assembly further comprises a mounting plate, the mounting plate is arranged on one side of the first side plate away from the bottom plate and one side of the second side plate away from the bottom plate, the mounting plate extends towards the direction away from the bottom plate, and the thickness direction of the mounting plate is consistent with the thickness direction of the bottom plate.

In another aspect, an embodiment of the present application provides a battery box, including a battery box guard plate structure of any one of the above.

The embodiment of the application discloses battery box backplate structure and battery box through set up the first strengthening rib that extends along the second direction on the bottom plate to set up the second strengthening rib along first direction extension and with first strengthening rib fixed connection, simultaneously, the both ends of second strengthening rib are connected with two first side plates respectively, thereby improved battery box backplate structure's intensity, when backplate structure received the foreign object striking, first strengthening rib and second strengthening rib can be with the striking power that receives transmit on the first side plate, and finally transmit on the box of battery box, thereby effectively reduced the influence that this striking power caused the electric core, improved the security performance of electric core.

Drawings

Fig. 1 is a schematic structural diagram of a battery case guard plate structure according to some embodiments of the present disclosure;

FIG. 2 is a schematic view of a battery case guard plate structure including a buffer according to some embodiments of the present disclosure;

FIG. 3 is another schematic view of a battery case guard plate structure according to some embodiments of the present disclosure;

fig. 4 is a schematic structural view of a battery box guard plate structure including connection ribs according to some embodiments of the present disclosure;

fig. 5 is a schematic structural view of a battery case guard plate structure including a recess according to some embodiments of the present disclosure;

FIG. 6 is a schematic view of a battery case guard plate structure according to another embodiment of the present disclosure;

fig. 7 is an exploded view of a battery case and a battery case guard structure according to some embodiments of the present disclosure.

Description of the reference numerals:

a battery case guard plate structure 10; a fender assembly 100; a base plate 110; a first side plate 120;

a second side plate 130; a mounting plate 140; a mounting hole 150; a stiffener assembly 200;

a first reinforcing rib 210; a second reinforcing rib 220; a connecting rib 230; a recess 240;

a battery box 20; a buffer 300; a first direction X; a second direction Y.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, a further description of aspects of the present disclosure will be provided below. It should be noted that, without conflict, the embodiments of the present disclosure and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the disclosure.

The battery box of the new energy automobile is generally arranged below an automobile chassis, and in the running process of the automobile, due to the fact that the running speed is high, when the battery box is impacted by foreign objects, the impact force at the moment can be much larger than the impact force suffered by the automobile when the automobile is stationary, so that the battery box can be damaged, the performance of an electric core inside the battery box is affected, and the battery of the automobile can even fail to cause battery explosion.

At present, protection of the battery box is generally achieved by arranging a protection plate at the bottom of the battery box, and the inventor finds that the existing protection plate is of a single-layer sheet metal structure formed by stamping, when the battery box is impacted by foreign objects, although the impact of the impact force on the battery box can be buffered to a certain extent, when the impact force is large, the battery box is still possibly damaged and the battery core is influenced, so that the safety of the battery core in the battery box cannot be effectively ensured.

In order to solve the problems, the inventor sets up first strengthening rib on the bottom plate to intersect on first strengthening rib and set up the second strengthening rib, simultaneously, set up the both ends of second strengthening rib and be connected with two first side plates at bottom plate both ends respectively, thereby when receiving the foreign object striking, first strengthening rib and second strengthening rib can disperse the impact force that receives on first side plate to finally transmit to the box of battery box on, thereby effectively avoided the influence of this impact force to the electric core, ensured the safety of electric core.

The battery box guard plate structure provided by the embodiment of the application can be used for protecting the bottom of the battery box and protecting other positions of the battery box, for example, the battery box guard plate structure can be further arranged on the side surface or the top surface of the battery box, and the specific installation position can be flexibly determined according to actual conditions; the battery box guard plate structure can be used as an additional protection structure to be installed on the battery box, and can also be directly used as a part of the box body structure of the battery box. For ease of understanding, the following embodiments will be described in detail with reference to an example in which a battery case guard structure is mounted to the bottom of a battery case.

Fig. 1 is a schematic structural diagram of a battery case protection plate structure according to some embodiments of the present application.

As shown in fig. 1, in one aspect, the present embodiment provides a battery case protection plate structure 10, including a protection plate assembly 100 and a reinforcing rib assembly 200, where the protection plate assembly 100 includes a bottom plate 110 and two first side plates 120 respectively disposed at two ends of the bottom plate 110 along a first direction X; the stiffener assembly 200 includes a first stiffener 210 and a second stiffener 220, the first stiffener 210 is disposed on the bottom plate 110 and extends along the second direction Y, the second stiffener 220 extends along the first direction X and is fixedly connected with the first stiffener 210, and two ends of the second stiffener 220 are respectively connected with the two first side plates 120; the first direction X intersects the second direction Y.

The bottom plate 110 and the two first side plates 120 may be integrally disposed, preferably, the bottom plate 110 and the first side plates 120 disposed at two ends of the bottom plate 110 may be formed by punching; the battery case cover structure 10 may be connected to the bottom of the battery case 20 through two first side plates 120 to implement the installation of the battery case cover structure 10, for example, the battery case cover structure 10 may be installed to the bottom of the battery case 20 through bolts, the installation of the battery case cover structure 10 may be implemented through welding, and the battery case cover structure 10 may be adhered to the bottom of the battery case 20 through adhesive.

The first side plates 120 may extend a predetermined distance in the thickness direction of the bottom plate 110, the first reinforcing ribs 210 are located between the two first side plates 120, and both ends of the second reinforcing ribs 220 are connected to the two first side plates 120, respectively; the combined height of the first reinforcing ribs 210 and the second reinforcing ribs 220 in the thickness direction of the bottom plate 110 is less than or equal to the preset distance that the first side plate 120 extends to ensure that the first reinforcing ribs 210 and the second reinforcing ribs 220 do not cause extrusion to the battery case 20 when the battery case protection plate structure 10 is mounted to the battery case 20, for example, the size of the first reinforcing ribs 210 and the second reinforcing ribs 220 in the thickness direction of the bottom plate 110 may be set to about 1mm while ensuring the structural strength of the battery case protection plate structure 10.

In the process of installing the battery box protection plate structure 10, the first reinforcing rib 210 may be fixedly connected with the bottom of the battery box 20, so as to improve the installation strength of the battery box protection plate structure 10, for example, the connection between the first reinforcing rib 210 and the battery box 20 may be achieved by means of gluing, welding, and the like.

The first direction X may be a width direction of the base plate 110, and the second direction Y may be a length direction of the base plate 110, and for ease of understanding, the first direction X is represented by an X direction in fig. 1, and the second direction Y is represented by a Y direction in fig. 1.

In this embodiment, the first reinforcing rib 210 extending along the second direction Y is disposed on the bottom plate 110, and the second reinforcing rib 220 extends along the first direction X and is fixedly connected with the first reinforcing rib 210, so that the structural strength of the battery box protection plate structure 10 can be improved, when the battery box protection plate structure 10 is impacted externally, the bottom plate 110 can be prevented from being deformed to a certain extent to press the battery box 20, the influence of external impact on the battery box 20 is reduced, and meanwhile, the impact force received by the first reinforcing rib 210 and the second reinforcing rib 220 can be transferred to the first side plate 120 and finally to the box body of the battery box 20, so that the influence of the impact force on the battery cell is effectively reduced, and the safety of the battery cell is ensured.

According to an aspect of the present application, a clamping portion may be disposed at a position of the first side plate 120 corresponding to the second reinforcing rib 220, so that an end portion of the second reinforcing rib 220 may be clamped with the clamping portion of the first side plate 120, and preferably, an adhesive may be coated in a clamping groove, so that the second reinforcing rib 220 is fixedly connected with the first side plate 120.

Fig. 2 is a schematic structural view of a battery case guard plate structure including a buffer member according to some embodiments of the present application.

As shown in fig. 2, according to an aspect of the present application, the battery case protecting plate structure 10 further includes a plurality of buffering members 300 disposed on the bottom plate 110 at intervals, and a projection of the buffering members 300 on the bottom plate 110 does not overlap with a projection of the first reinforcing ribs 210 on the bottom plate 110 in a thickness direction of the bottom plate 110.

The buffer 300 may be made of foam, sponge, silica gel or rubber, so that the impact force on the base plate 110 can be absorbed to a certain extent when the base plate 110 is impacted by foreign objects; the buffer 300 may be adhered to the base plate 110 by an adhesive, or may be fixed by other means.

The projection of the buffer member 300 onto the bottom plate 110 and the projection of the second reinforcing rib 220 onto the bottom plate 110 may overlap in the thickness direction of the bottom plate 110, and at this time, the size of the buffer member 300 in the thickness direction of the bottom plate 110 may be smaller than or equal to the size of the first reinforcing rib 210 in the thickness direction of the bottom plate 110, preferably the size of the buffer member 300 in the thickness direction of the bottom plate 110 is smaller than the size of the first reinforcing rib 210 in the thickness direction of the bottom plate 110, that is, the buffer member 300 is spaced apart from the second reinforcing rib 220 by a certain distance in the thickness direction of the bottom plate 110, and at this time, there is no force transmission between the buffer member 300 and the second reinforcing rib 220, and when the battery case protecting plate structure 10 is impacted, the impact force absorbed by the buffer member 300 is not transmitted to the second reinforcing rib 220 and thus transmitted to the battery case 20, thereby reducing the impact of the impact force on the battery case 20 to some extent.

In this embodiment, by disposing the buffer member 300 on the bottom plate 110, when the bottom plate 110 is impacted by the outside, the buffer member 300 can absorb the impact force suffered by the bottom plate 110 to a certain extent, so as to reduce the impact force transmitted to the case body of the battery case 20, reduce the impact force on the battery case 20, and ensure the safety of the battery cells in the battery case 20.

Fig. 3 is another schematic structural view of a battery case guard plate structure according to some embodiments of the present disclosure.

As shown in fig. 3, according to an aspect of the present application, the first reinforcing ribs 210 are plural, and the plural first reinforcing ribs 210 are disposed at intervals along the first direction X.

The first reinforcing ribs 210 may be integrally provided with the base plate 110, and preferably, the first reinforcing ribs 210 may be formed on the base plate 110 by punching; the number of the first reinforcing ribs 210 may be determined according to needs in practical applications, for example, 4 first reinforcing ribs 210 may be disposed on the base plate 110 at intervals along the first direction X.

In this embodiment, through setting up a plurality of first strengthening ribs 210 on bottom plate 110 at the interval, can improve bottom plate 110's structural strength, when receiving outside striking, effectually prevent that bottom plate 110 from taking place deformation and causing the oppression to battery case 20 to, set up a plurality of first strengthening ribs 210 and can evenly transmit to first side board 120 with more striking power, and then transmit to the box of battery case 20 on, in order to avoid striking power to cause the influence to the electric core in the battery case 20, further ensured the safety of electric core.

Fig. 4 is a schematic structural view of a battery box protection plate structure including connection ribs according to some embodiments of the present application.

As shown in fig. 4, according to an aspect of the present application, the battery case protecting plate structure 10 further includes a connection rib 230 extending along the first direction X, the connection rib 230 is disposed at one end of the first reinforcing rib 210 along the second direction Y, and the connection rib 230 connects the plurality of first reinforcing ribs 210.

The connection rib 230 may be integrally provided with the first reinforcing rib 210; the connection rib 230 is connected with each first reinforcing rib 210, so that the structural strength of the first reinforcing ribs 210 can be improved, and the structural strength of the battery case protection plate structure 10 can be improved.

The connection rib 230 is provided at one end of the first reinforcement rib 210 in the second direction Y so as to correspond to the position of each support rib on the battery case 20; of course, in practical applications, the connecting rib 230 may be disposed at other positions of the first reinforcing rib 210 according to practical situations, for example, the connecting rib 230 may be located at an intermediate position of the first reinforcing rib 210.

In this embodiment, the connecting ribs 230 are connected with the plurality of first reinforcing ribs 210, so that the structural strength of the first reinforcing ribs 210 can be improved, and the connecting ribs 230 are arranged at one end of the first reinforcing ribs 210 along the second direction Y and can correspond to the supporting ribs on the battery box 20, so that the structure of the battery box 20 is prevented from being affected.

According to one aspect of the present application, the stiffener assembly 200 further includes a first adhesive layer (not shown) that is coated on a side of the first stiffener 210 remote from the base plate 110 and a side of the stiffener 230 remote from the base plate 110.

The first connection glue layer is used for connecting the battery box guard plate structure 10 and the battery box 20, specifically can make the first reinforcing rib 210 and the connecting rib 230 further connected with the battery box 20 through the first connection glue layer when the first side plate 120 of the battery box guard plate structure 10 is fixedly connected with the battery box 20, so that the installation efficiency of the battery box guard plate structure 10 is improved, and compared with the connection of the battery box guard plate structure 10 and the battery box 20 through welding, the structure requirement of the first connection glue layer on the cross beam and the longitudinal beam in the battery box 20 is lower, so that the application range is wider.

It will be appreciated that the first adhesive layer may also be disposed on a side of the second reinforcing rib 220 away from the bottom plate 110, so as to further ensure the connection between the battery case protection plate structure 10 and the battery case 20.

The first connection glue layer may be a structural glue to ensure the connection strength between the first reinforcing rib 210 and the connection rib 230 and the battery box 20, and to uniformly transfer the impact force of the battery box guard plate structure 10 to the support rib of the battery box 20 when the battery box guard plate structure is impacted by the outside; other adhesives that can fix the first reinforcing rib 210 and the connecting rib 230 to the battery case 20 may be used for the first connecting adhesive layer.

In this embodiment, the first connection glue layer is disposed on the side, away from the bottom plate 110, of the first reinforcing rib 210 and the side, away from the bottom plate 110, of the connecting rib 230, so that the first side plate 120 of the battery box guard plate structure 10 is fixedly connected with the battery box 20, and meanwhile, the first reinforcing rib 210 and the connecting rib 230 are further fixed with the battery box 20 through the first connection glue layer, so that the connection strength between the battery box guard plate structure 10 and the battery box 20 is improved, the first connection glue layer is adopted to enable installation to be simpler and more convenient, the installation efficiency is improved, meanwhile, the first connection glue layer is adopted to enable the battery box guard plate structure 10 to be further connected with the battery box 20, and the requirement on the internal structure of the battery box 20 is smaller, so that the application range is wider.

Fig. 5 is a schematic structural view of a battery case protection plate structure including a recess according to some embodiments of the present application.

As shown in fig. 5, according to an aspect of the present application, the first reinforcing rib 210 is formed with a recess 240 that cooperates with the second reinforcing rib 220, and the reinforcing rib assembly 200 further includes a second adhesive layer (not shown) that is coated on the recess 240.

It will be appreciated that, in order to improve the strength of the battery case protecting board structure 10, the dimensions of the first reinforcing rib 210 and the second reinforcing rib 220 on the bottom board 110 may be set as large as possible, however, when the combined dimension of the first reinforcing rib 210 and the second reinforcing rib 220 along the thickness direction of the bottom board 110 is greater than the dimension of the first sidewall along the thickness direction of the bottom board 110, the battery case protecting board structure 10 is mounted to the battery case 20 to press the battery case 20, so that the battery case 20 is damaged or even the battery core inside the battery case is affected.

Therefore, in this embodiment, the recess 240 is formed on the first stiffener 210, and the second adhesive layer is coated on the recess 240, so that the second stiffener 220 is connected to the first stiffener 210 through the recess 240 and the second adhesive layer, so that the combined height of the first stiffener 210 and the second stiffener 220 along the thickness direction of the bottom plate 110 is less than or equal to the height of the first side plate 120 along the thickness direction of the bottom plate 110, and the size of the first stiffener 210 and the second stiffener 220 along the thickness direction of the bottom plate 110 is as large as possible, so that the structural strength of the first stiffener 210 and the second stiffener 220 is ensured to a certain extent.

Fig. 6 is a schematic structural view of another view of a battery case guard plate structure according to some embodiments of the present disclosure.

As shown in fig. 6, according to an aspect of the present application, the plurality of concave portions 240 on the first reinforcing rib 210 are plural, the plurality of concave portions 240 are arranged at intervals along the second direction Y, the plurality of second reinforcing ribs 220 are plural, and the plurality of second reinforcing ribs 220 are in one-to-one correspondence with the plurality of concave portions 240.

The plurality of second reinforcing ribs 220 are disposed in one-to-one correspondence with the plurality of concave portions 240, and the plurality of concave portions 240 are disposed on the first reinforcing ribs 210 at intervals along the second direction Y, so the plurality of first reinforcing ribs 210 are arranged at intervals along the second direction Y, and are connected with the first reinforcing ribs 210 through the concave portions 240.

In this embodiment, the plurality of concave portions 240 are disposed on the first reinforcing rib 210 along the second direction Y at intervals, and the plurality of concave portions 240 are in one-to-one correspondence with the plurality of second reinforcing ribs 220, so that the plurality of second reinforcing ribs 220 are fixedly connected with the first reinforcing rib 210 through the concave portions 240, so as to further improve the structural strength of the battery box protection plate structure 10, and when the bottom plate 110 is impacted by the outside, more impact force can be transmitted to the first side plate 120 through the first reinforcing rib 210 and the plurality of second reinforcing ribs 220, and then transmitted to the box body of the battery box 20, so that the impact force is further prevented from affecting the battery in the battery box 20, and the safety of the battery core is further ensured.

With continued reference to fig. 6, according to an aspect of the present application, the guard plate assembly 100 further includes two second side plates 130 disposed at two ends of the bottom plate 110 along the second direction Y, and ends of the second side plates 130 are connected to ends of the first side plates 120.

The second side plate 130 and the bottom plate 110 may be integrally arranged, and the second side plate 130 and the first side wall may be integrally arranged; the battery case protection plate structure 10 may be connected to the battery case 20 through two second side plates 130, or may be connected to the battery case 20 through two first side walls and two second side plates 130 together.

In the present embodiment, two second side plates 130 are disposed at opposite ends of the bottom plate 110 along the second direction Y and are connected to the ends of the first side plates 120, so that when the battery case cover structure 10 is mounted on the battery case 20, the first side plates 120 and the second side plates 130 can enclose the bottom of the battery case 20, so that the bottom of the battery case 20 and the battery case cover structure 10 are kept sealed, and foreign objects are prevented from entering between the battery case cover structure 10 and the battery case 20 and striking the bottom of the battery case 20.

According to an aspect of the present application, the protection board assembly 100 further includes a yielding portion (not shown) disposed between the adjacent first side board 120 and second side board 130, where the yielding portion is used for yielding the supporting rib of the battery box 20 when the battery box protection board structure 10 is installed, so as to ensure the installation effect of the battery box protection board structure 10 and the battery box 20. In practical applications, the position of the abdication portion can be adjusted according to practical situations, so that the battery box guard plate structure 10 is adapted to the battery box 20.

With continued reference to fig. 6, according to an aspect of the present application, the guard board assembly 100 further includes a mounting plate 140, the mounting plate 140 is disposed on a side of the first side board 120 away from the bottom board 110 and a side of the second side board 130 away from the bottom board 110, the mounting plate 140 extends toward a direction away from the bottom board 110, and a thickness direction of the mounting plate 140 is consistent with a thickness direction of the bottom board 110.

Specifically, the mounting plate 140 is disposed on a side of the first side plate 120 away from the bottom plate 110 and a side of the second side plate 130 away from the bottom plate 110 along the thickness direction of the bottom plate 110, and thus, the first side plate 120 and the second side plate 130 can achieve a fixed connection of the battery case protecting plate structure 10 and the battery case 20 through the mounting plate 140; the mounting plate 140 disposed on the first side plate 120 may extend in the first direction X toward a direction away from the bottom plate 110, the mounting plate 140 disposed on the second side plate 130 may extend in the second direction Y toward a direction away from the bottom plate 110, and the thickness direction of the mounting plate 140 is consistent with the thickness direction of the bottom plate 110, so that the contact area between the mounting plate 140 and the bottom of the battery case 20 may be enlarged, and the mounting strength of the battery case protection plate structure 10 may be improved.

With continued reference to fig. 6, in accordance with an aspect of the present application, mounting plate 140 may be provided with mounting holes 150 for mounting battery case guard structure 10 to the bottom of battery case 20 with mating bolts.

According to one aspect of the present application, a glue layer may also be provided on the mounting plate 140 to glue the battery case guard structure 10 to the bottom of the battery case 20.

Fig. 7 is an exploded view of a battery case and a battery case guard structure according to some embodiments of the present disclosure.

As shown in fig. 7, another aspect of the present embodiment provides a battery box 20, including the battery box guard plate structure 10 of any one of the above.

The battery box guard plate structure 10 can be arranged at the bottom of the battery box 20, and when the battery box 20 is arranged under the chassis of the automobile, the battery box guard plate structure 10 can protect the bottom of the battery box 20 so as to prevent foreign objects from striking the battery box 20 to damage the battery box 20 and even influence the battery cells in the battery box 20.

It will be appreciated that in practice, the battery case guard structure 10 may be mounted at other locations of the battery case 20, for example, on the side of the battery case 20 to protect the side of the battery case 20.

In this embodiment of the application, through set up the first strengthening rib 210 that extends along second direction Y on bottom plate 110, and, through setting up second strengthening rib 220 along first direction X extension and with first strengthening rib 210 fixed connection, simultaneously, the both ends of second strengthening rib 220 are connected with two first curb plates 120 respectively, thereby can improve the structural strength of battery box backplate structure 10, when battery box backplate structure 10 receives outside striking, can prevent to a certain extent that bottom plate 110 from taking place deformation and causing oppression to battery box 20, reduce the influence of outside striking to battery box 20, simultaneously, first strengthening rib 210 and second strengthening rib 220 still can disperse the impact that receives on first curb plate 120, and finally transmit on the box of battery box 20, thereby effectively avoided the impact to the influence that the electric core caused, the safety of electric core has been ensured.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Claims (9)

1. A battery box guard plate structure, characterized by comprising:

the guard board assembly comprises a bottom board and two first side boards which are respectively arranged at two ends of the bottom board along a first direction;

the reinforcing rib assembly comprises a first reinforcing rib and a second reinforcing rib, the first reinforcing rib is arranged on the bottom plate and extends along a second direction, the second reinforcing rib extends along the first direction and is fixedly connected with the first reinforcing rib, and two ends of the second reinforcing rib are respectively connected with the two first side plates;

the battery box guard plate structure further comprises a plurality of buffer pieces which are arranged on the bottom plate at intervals, and the projection of the buffer pieces on the bottom plate is not overlapped with the projection of the first reinforcing ribs on the bottom plate along the thickness direction of the bottom plate;

the first direction and the second direction are intersected.

2. The battery box guard plate structure of claim 1, wherein the first reinforcing ribs are a plurality of and the first reinforcing ribs are arranged at intervals along the first direction.

3. The battery box guard plate structure according to claim 2, further comprising a connection rib extending in the first direction, the connection rib being provided at one end of the first reinforcement rib in the second direction, the connection rib connecting a plurality of the first reinforcement ribs.

4. The battery box guard plate structure of claim 3, wherein the stiffener assembly further comprises a first tie layer coated on a side of the first stiffener remote from the base plate and a side of the tie layer remote from the base plate.

5. The battery box guard plate structure of claim 1, wherein the first reinforcing rib is formed with a concave portion matched with the second reinforcing rib, the reinforcing rib assembly further comprises a second connecting glue layer, and the second connecting glue layer is coated and arranged on the concave portion.

6. The battery box guard plate structure according to claim 5, wherein the plurality of concave portions are arranged on the first reinforcing rib at intervals along the second direction, the plurality of second reinforcing ribs are arranged in a plurality, and the plurality of second reinforcing ribs are in one-to-one correspondence with the plurality of concave portions.

7. The battery box guard plate structure according to claim 1, wherein the guard plate assembly further comprises two second side plates respectively disposed at both ends of the bottom plate in the second direction, and ends of the second side plates are connected with ends of the first side plates.

8. The battery box guard plate structure of claim 7, wherein the guard plate assembly further comprises a mounting plate disposed on a side of the first side plate away from the bottom plate and a side of the second side plate away from the bottom plate, the mounting plate extends in a direction away from the bottom plate, and a thickness direction of the mounting plate is consistent with a thickness direction of the bottom plate.

9. A battery box, characterized by comprising the battery box guard plate structure according to any one of claims 1 to 8.