Stacked battery box and battery system

Abstract

The utility model discloses a stackable battery box and battery system, the stackable battery box includes: at least two stackable box bodies, each box body is surrounded by a plurality of coaming, the upper end of at least one coaming is provided with a first locking piece, the lower end of the coaming is provided with a second locking piece, when the box bodies are stacked, the first locking piece is locked by the second locking piece, and the second locking piece is locked by the second locking piece. The second locking piece of the upper box body is connected with the first locking piece of the lower box body in an inserted mode. According to the utility model, the second locking piece of the upper box body is inserted into the first locking piece of the lower box body, so that the stacking stability of the box bodies is improved, and the connection strength among a plurality of box bodies is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, and in particular to a stacked battery box and a battery system. Background Art

[0002] In existing battery packs, multiple boxes are generally stacked, especially for commercial vehicles, which generally use 2-4 layers of boxes for stacking and assembly. However, there are limited ways to fix the boxes, and adjacent boxes are generally stacked and assembled directly, resulting in a lack of effective fixation between the boxes, making it impossible to effectively guarantee the connection strength between the boxes, and as the number of stacked layers increases, the stability of the boxes decreases significantly. Utility Model Content

[0003] In order to overcome at least one of the defects of the prior art described above, the utility model provides a stackable battery box, which can improve the stability of the boxes when they are stacked and enhance the connection strength between multiple boxes.

[0004] A stackable battery box according to an embodiment of the utility model comprises: at least two stacked boxes, the boxes being surrounded by a plurality of enclosures, wherein a first lock is provided at the upper end of at least one of the enclosures, and a second lock is provided at the lower end of the enclosure, and when the boxes are stacked, the second lock of the upper box is plugged into the first lock of the lower box.

[0005] In this stackable battery box, the first locking member and the second locking member are respectively provided at the upper and lower ends of the enclosure, so that when the boxes surrounded by the enclosure are stacked, the second locking member of the upper box is plugged into the first locking member of the lower box, thereby improving the stability of the box stacking and enhancing the connection strength between multiple boxes.

[0006] According to some embodiments of the utility model, the first locking member includes a first limiting step structure arranged at the upper end of the enclosure, and the second locking member includes a second limiting step structure arranged at the lower end of the enclosure; when the boxes are stacked, the first limiting step structure of the box below is matched and connected with the second limiting step structure of the box above.

[0007] According to some embodiments of the utility model, the first limiting step structure includes a first mounting surface arranged at the upper end of the enclosure, the first mounting surface is provided with at least one first protrusion, and the first protrusion extends along the length direction of the enclosure; the second limiting step structure includes a second mounting surface arranged at the lower end of the enclosure, the second mounting surface is provided with at least one second protrusion, and the second protrusion extends along the length direction of the enclosure; when the boxes are stacked, the first protrusion of the lower box is matched and connected with the second protrusion of the upper box.

[0008] According to some embodiments of the utility model, the first protrusion is arranged at an end of the first mounting surface close to the inner cavity of the box body, and forms a first plug-in portion with the first mounting surface; the second protrusion is arranged at an end of the second mounting surface away from the inner cavity of the box body, and forms a second plug-in portion with the second mounting surface; when the boxes are stacked, the first protrusion of the lower box body cooperates and connects with the second plug-in portion of the upper box body, and the second protrusion of the upper box body cooperates and connects with the first plug-in portion of the lower box body.

[0009] According to some embodiments of the present invention, the length of the first protrusion is equal to the length of the enclosure, and the length of the second protrusion is equal to the length of the enclosure.

[0010] According to some embodiments of the present invention, the side of the first protrusion close to the inner cavity of the box body and the side of the enclosure close to the inner cavity of the box body are in the same plane, and the side of the second protrusion away from the inner cavity of the box body and the side of the enclosure away from the inner cavity of the box body are in the same plane.

[0011] According to some embodiments of the present invention, a locking accessory is further included, and the first locking element and the second locking element are both connected to the locking accessory.

[0012] According to some embodiments of the present invention, the first locking member, the second locking member and the enclosure are integrally formed; and / or the enclosure is made of an extruded profile.

[0013] According to some embodiments of the present invention, a cover body is further included, and the cover body is arranged to cover the upper end of the uppermost box body.

[0014] Based on the same inventive concept, the utility model also proposes a battery system, including the stacked battery box as described above.

[0015] In summary, the stacked battery box provided by the utility model has the following technical effects:

[0016] By respectively arranging the first locking member and the second locking member at the upper and lower ends of the enclosure, when the boxes surrounded by the enclosure are stacked, the second locking member of the upper box is plugged into the first locking member of the lower box, thereby improving the stability of the boxes when stacking and enhancing the connection strength between the multiple boxes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of a stacked battery box according to an embodiment of the utility model;

[0018] Figure 2 for Figure 1 AA direction cross-sectional view;

[0019] Figure 3 This is a schematic diagram of the structure of the box body of an embodiment of the utility model;

[0020] Figure 4 A schematic diagram of the structure of the enclosure of an embodiment of the utility model;

[0021] Figure 5 This is another schematic structural diagram of the enclosure according to an embodiment of the utility model.

[0022] The meanings of the reference numerals are as follows:

[0023] 1. Box body; 11. Enclosure; 2. First locking piece; 21. First limiting step structure; 211. First mounting surface; 212. First protrusion; 213. First plug-in part; 3. Second locking piece; 31. Second limiting step structure; 311. Second mounting surface; 312. Second protrusion; 313. Second plug-in part; 4. Locking accessories. DETAILED DESCRIPTION

[0024] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0025] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions 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 device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0027] See also Figure 1 and Figure 2 The utility model discloses a stackable battery box, which includes at least two stacked boxes 1, a first lock 2 and a second lock 3. In some embodiments, the box 1 is surrounded by a plurality of enclosures 11; at least one of the enclosures 11 is provided with a first lock 2 at the upper end, and a second lock 3 at the lower end of the enclosure 11; when the boxes 1 are stacked, the second lock 3 of the upper box 1 is plugged into the first lock 2 of the lower box 1. Optionally, the first locking member 2 can be a raised structure, such as a boss, a convex block or a convex column, and the second locking member 3 can be a groove structure that cooperates with the first locking member 2; preferably, the first locking member 2 and the second locking member 3 are respectively provided at the upper and lower ends of the enclosure 11, so that when the boxes 1 surrounded by the enclosure 11 are stacked, the second locking member 3 of the upper box 1 is plugged into the first locking member 2 of the lower box 1, thereby improving the stability of the boxes 1 when stacking and enhancing the connection strength between the multiple boxes 1.

[0028] See also Figure 1 , Figure 2 and Figure 3 In some embodiments, the first locking member 2 includes a first limiting step structure 21 disposed at the upper end of the enclosure 11, and the second locking member 3 includes a second limiting step structure 31 disposed at the lower end of the enclosure 11; when the boxes 1 are stacked, the first limiting step structure 21 of the lower box 1 is matched and connected with the second limiting step structure 31 of the upper box 1. Optionally, both the first limiting step structure 21 and the second limiting step structure 31 can be composed of one or more steps stacked from top to bottom, and optionally, the first limiting step structure 21 is matched with the second limiting step structure 31, and when at least two boxes 1 are stacked up and down, the second limiting step structure 31 of the upper box 1 is matched and connected with the first limiting step structure 21 of the lower box 1, that is, through the engagement between the second limiting step structure 31 and the first limiting step structure 21, the two adjacent boxes 1 above and below are stably stacked together.

[0029] See also Figure 3 , Figure 4 and Figure 5In some embodiments, the first position-limiting step structure 21 includes a first mounting surface 211 disposed at the upper end of the enclosure 11, and the first mounting surface 211 is provided with at least one first protrusion 212; the second position-limiting step structure 31 includes a second mounting surface 311 disposed at the lower end of the enclosure 11, and the second mounting surface 311 is provided with at least one second protrusion 312; when the boxes 1 are stacked up and down, the first protrusion 212 of the lower box 1 is matched and connected with the second protrusion 312 of the upper box 1. Optionally, the first protrusion 212 and the second protrusion 312 can be arranged in a staggered manner along the length direction of the enclosure 11, and when the boxes 1 are stacked, the first protrusion 212 of the lower box 1 and the second protrusion 312 of the upper box 1 are engaged with each other in the length direction of the enclosure 11, thereby driving the two adjacent boxes 1 to be stably stacked together. Optionally, the first protrusions 212 and the second protrusions 312 are arranged in a staggered manner along the width direction of the enclosure 11. When the boxes 1 are stacked, the first protrusions 212 of the lower box 1 and the second protrusions 312 of the upper box 1 are engaged with each other in the width direction of the enclosure 11, thereby driving the two upper and lower adjacent boxes 1 to be stably stacked together. Optionally, when there are multiple first protrusions 212 and second protrusions 312, the first protrusions 212 and the second protrusions 312 can be distributed at equal intervals along the length direction or width direction of the enclosure 11.

[0030] Furthermore, when the boxes 1 are stacked, the upper end surface of the first protrusion 212 of the lower box 1 can abut against the second mounting surface 311 of the upper box 1, and the lower end surface of the second protrusion 312 of the upper box 1 can abut against the first mounting surface 211 of the lower box 1, so that the second limiting step structure 31 is fully matched and connected with the first limiting step structure 21, thereby improving the stability of the stacking of the two adjacent boxes 1 above and below.

[0031] See also Figure 2 , Figure 3 , Figure 4 and Figure 5In some embodiments, the first protrusion 212 is arranged at one end of the first mounting surface 211 close to the inner cavity of the box body 1, and forms a first plug-in portion 213 with the first mounting surface 211; the second protrusion 312 is arranged at one end of the second mounting surface 311 away from the inner cavity of the box body 1, and forms a second plug-in portion 313 with the second mounting surface 311; when the boxes 1 are stacked, the first protrusion 212 of the lower box body 1 is matched and connected with the second plug-in portion 313 of the upper box body 1, and the second protrusion 312 of the upper box body 1 is matched and connected with the first plug-in portion 213 of the lower box body 1. That is, the first protrusions 212 and the second protrusions 312 are arranged alternately along the width direction of the enclosure 11; optionally, when the number of the first protrusions 212 is multiple, the multiple first protrusions 212 can be arranged along the length direction of the enclosure 11, and optionally, when the number of the second protrusions 312 is multiple, the multiple second protrusions 312 can be arranged along the length direction of the enclosure 11; preferably, when the boxes 1 are stacked, the first protrusions 212 of the lower box 1 are inserted into the second plug-in portion 313 of the upper box 1, and the second protrusions 312 of the upper box 1 are inserted into the first plug-in portion 213 of the lower box 1, so that the first protrusions 212 of the lower box 1 and the second protrusions 312 of the upper box 1 are mutually engaged, thereby improving the stability of the boxes 1 when stacked and enhancing the connection strength between the multiple boxes 1.

[0032] See also Figure 2 , Figure 3 and Figure 4In some embodiments, the length of the first protrusion 212 is equal to the length of the enclosure 11, and the length of the second protrusion 312 is equal to the length of the enclosure 11. Optionally, the first protrusion 212 and the second protrusion 312 are both extended along the length direction of the enclosure 112, so that the first protrusion 212 and the second protrusion 312 are equal in length to the enclosure 11. Further, the first protrusion 212 is arranged at one end of the first mounting surface 211 close to the inner cavity of the box body 1, and forms a first plug-in portion 213 with the first mounting surface 211; the second protrusion 312 is arranged at one end of the second mounting surface 311 away from the inner cavity of the box body 1, and forms a second plug-in portion 31 with the second mounting surface 311. Preferably, the box body 1 with an inner cavity is surrounded by a plurality of enclosures 11, and the upper and lower ends of each enclosure 11 are respectively provided with the first mounting surface 211 and the second mounting surface 311, so that the plurality of enclosures 11 are The first protrusions 212 on the first mounting surfaces 211 form a first annular structure, and the second protrusions 312 on the second mounting surfaces 311 form a second annular structure. When at least two of the boxes 1 are stacked up and down, the first protrusions 212 of the lower box 1 are plugged into the second plug-in portion 313 of the upper box 1, and the second protrusions 312 of the upper box 1 are plugged into the first plug-in portion 213 of the lower box 1, that is, the first annular structure of the lower box 1 is plugged into the second annular structure of the upper box 1, so that the four sides of the two adjacent boxes 1 are matched and connected, which can effectively resist external forces in the horizontal direction, thereby improving the stability of the boxes 1 when stacked and enhancing the connection strength between the multiple boxes 1.

[0033] See also Figure 2 In some embodiments, the side of the first protrusion 212 close to the inner cavity of the box body 1 is in the same plane as the side of the enclosure 11 close to the inner cavity of the box body 1, and the side of the second protrusion 312 away from the inner cavity of the box body 1 is in the same plane as the side of the enclosure 11 away from the inner cavity of the box body 1. That is, the side of the first protrusion 212 close to the inner cavity of the box 1 and the side of the enclosure 11 close to the inner cavity of the box 1 are in the same plane, thereby preventing the first protrusion 212 from protruding toward the inner cavity of the box 1, resulting in the space inside the box 1 being occupied and affecting the layout of the internal equipment of the box 1. At the same time, the side of the second protrusion 312 away from the inner cavity of the box 1 and the side of the enclosure 11 away from the inner cavity of the box 1 are in the same plane, thereby preventing the second protrusion 312 from protruding outside the box 1 and resulting in the space outside the box 1 being occupied. When there are multiple groups of stacked battery boxes, adjacent stacked battery boxes can still be placed close to the outer walls to make full use of the site space.

[0034] See also Figure 2 , Figure 3 , Figure 4 and Figure 5In some embodiments, a locking member 4 is further included, and both the first locking member 2 and the second locking member 3 are connected to the locking member 4. Optionally, the locking member 4 can be a bolt, a screw, a rivet or a pin, etc. When at least two boxes 1 are stacked up and down, the second locking member 3 of the upper box 1 is plugged into the first locking member 2 of the lower box 1, and then connected to the first locking member 2 and the second locking member 3 through the locking member 4, so that the locking member 4 locks the first locking member 2 and the second locking member 3, avoids the first locking member 2 and the second locking member 3 from being separated under the influence of external force, improves the stability of the boxes 1 when stacked, and connects the stacked boxes 1 into a stable whole; preferably, the locking member 4 is extended in the horizontal direction, that is, the locking member 4 only needs to be inserted in the first locking member 2 and the second locking member 3 in the horizontal direction, further shortening the length of the locking member 4, thereby improving the connection strength of the first locking member 2 and the second locking member 3, and further improving the connection strength of the two adjacent boxes 1 stacked up and down. Preferably, the first protrusion 212 is provided with a first through hole in the horizontal direction, the second protrusion 312 is provided with a second through hole in the horizontal direction, and the first through hole and the second through hole are arranged opposite to each other, so that the locking accessory 4 can pass through the second through hole and the first through hole in sequence, thereby locking the first locking element 2 and the second locking element 3, and further locking the two boxes 1 stacked up and down. Optionally, when at least two of the box bodies 1 are stacked up and down, the second protrusion 312 at the lower end of the upper box body 1 forms a second annular structure and cooperates with the first protrusion 212 at the upper end of the lower box body 1 to form a first annular structure, so that the two adjacent box bodies 1 above and below can be stably stacked together and can effectively resist external forces in the horizontal direction. At the same time, since the four sides of the two adjacent box bodies 1 above and below are cooperated and connected, the second through hole and the first through hole can be aligned following the cooperation connection of the two adjacent box bodies 1 without the need for additional hole alignment. Then, the locking accessory 4 can pass through the second through hole and the first through hole in turn to lock the first protrusion 212 and the second protrusion 312 to prevent the first locking element 2 and the second locking element 3 from separating under the influence of external force, effectively resist external forces in the vertical direction, and realize all-round locking and limiting of the two box bodies 1 stacked up and down, comprehensively optimizing the stability of the box bodies 1 when stacked, so that the stacked box bodies 1 are connected into a stable whole, and enhancing the connection strength between multiple PACKs.Optionally, the second through hole and the first through hole are both provided with an internal thread structure, and the locking accessory 4 is provided with an external thread structure matching the internal thread structure, that is, the locking accessory 4 is a component such as a bolt and a screw, and the locking accessory 4 is connected to the second through hole and the first through hole through a thread, so that the locking accessory 4 can be fixedly connected to the second through hole and the first through hole, thereby effectively locking the first locking element 2 and the second locking element 3; further, the second through hole is a countersunk hole, so that the head of the locking accessory 4 can be completely accommodated in the second through hole, thereby avoiding the space outside the box from being occupied. When there are multiple groups of stacked battery boxes, adjacent stacked battery boxes can still be placed close to the outer walls to make full use of the site space.

[0035] See also Figure 4 and Figure 5 In some embodiments, the first locking member 2, the second locking member 3 and the enclosure 11 are integrally formed. Preferably, the first locking member 2, the second locking member 3 and the enclosure 11 are integrally formed to reduce the number of parts, optimize the assembly process, and improve the overall strength to avoid stress concentration. Optionally, multiple enclosures 11 are spliced, and adjacent enclosures 11 are connected by welding, so that the adjacent enclosures 11 are connected into a stable whole, which improves the strength of the box body 1. At the same time, the adjacent enclosures 11 are connected by welding, which can save production costs compared with other connection methods such as bolt connection.

[0036] See also Figure 4 and Figure 5 In some embodiments, the enclosure 11 is made of an extruded profile, so that the enclosure 11 has higher tensile strength and bending resistance, can withstand greater load pressure, and has a smaller weight. Preferably, the first locking member 2, the second locking member 3 and the enclosure 11 are integrally extruded, so that the first locking member 2, the second locking member 3 and the enclosure 11 all have higher tensile strength and bending resistance, and the box body 1 formed by them is lighter than the battery box formed by the common die-casting process.

[0037] In some embodiments, a cover is further included, and the cover is disposed on the upper end of the uppermost box 1. Optionally, when there is only one box 1, the cover is disposed on the upper end of the box 1; optionally, when at least two boxes 1 are stacked up and down, the cover is disposed on the upper end of the uppermost box 1, and the remaining boxes 1 are covered by the box 1 located above them; optionally, the cover can be connected to the first locking member 2 by one or more of the methods of snap connection, welding connection, bolt connection, etc., so as to cover the upper end of the box 1 and seal the inner cavity of the box 1.

[0038] In some embodiments, a battery system includes the stacked battery box described above.

[0039] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5In some embodiments, the battery system includes at least one stacked battery box, and the stacked battery box includes at least two stacked boxes 1. According to actual needs, another box 1 can be stacked above or below the box 1. Preferably, the box 1 is surrounded by a plurality of enclosures 11, and the upper and lower ends of each enclosure 11 are respectively provided with a first mounting surface and a second mounting surface, the first mounting surface 211 is provided with the first protrusion 212, and the second mounting surface 311 is provided with the second protrusion 312. Preferably, the first protrusion 212 is provided at one end of the first mounting surface 211 close to the inner cavity of the box 1. The first plug-in portion 213 is formed with the first mounting surface 211; the second protrusion 312 is arranged at one end of the second mounting surface 311 away from the inner cavity of the box body 1, and the second plug-in portion 313 is formed with the second mounting surface 311. Further, the length of the first protrusion 212 is equal to the length of the enclosure 11, and the length of the second protrusion 312 is equal to the length of the enclosure 11, so that the first protrusions 212 on the first mounting surfaces 211 form a first annular structure, and the second protrusions 312 on the second mounting surfaces 311 form a second annular structure. When at least two boxes 1 are stacked up and down The first protrusion 212 of the lower box body 1 is plugged into the second plug-in portion 313 of the upper box body 1, and the second protrusion 312 of the upper box body 1 is plugged into the first plug-in portion 213 of the lower box body 1, that is, the first annular structure of the lower box body 1 is plugged into the second annular structure of the upper box body 1, which can effectively resist the external force in the horizontal direction. Further, the upper end surface of the first protrusion 212 of the lower box body 1 can abut against the second mounting surface 311 of the upper box body 1, and the lower end surface of the second protrusion 312 of the upper box body 1 can abut against the The first mounting surface 211 is abutted so that the second limiting step structure 31 is fully matched and connected with the first limiting step structure 21, thereby improving the stability of the two adjacent box bodies 1 stacked up and down, and then the first protrusion 212 and the second protrusion 312 are locked by the locking component 4 to prevent the first locking component 2 and the second locking component 3 from being separated under the influence of external force. It can effectively resist external forces in the vertical direction, realize all-round locking and limiting of the two box bodies 1 stacked up and down, and comprehensively optimize the stability of the box bodies 1 when stacked, so that the stacked box bodies 1 are connected into a stable whole, and enhance the connection strength between multiple box bodies 1.

[0040] The technical means disclosed in the solution of the utility model are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical solutions composed of any combination of the above technical features. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model, and these improvements and modifications are also regarded as the protection scope of the utility model.

Claims

1. A stacked battery box, characterized in that: include: At least two stacked boxes (1), the boxes (1) being surrounded by a plurality of enclosures (11), wherein a first locking member (2) is disposed at the upper end of at least one of the enclosures (11), and a second locking member (3) is disposed at the lower end of the enclosure (11); When the boxes (1) are stacked, the second locking element (3) of the upper box (1) is plugged into the first locking element (2) of the lower box (1).

2. The stacked battery box according to claim 1, characterized in that: The first locking member (2) comprises a first position-limiting step structure (21) arranged at the upper end of the enclosure (11), and the second locking member (3) comprises a second position-limiting step structure (31) arranged at the lower end of the enclosure (11); When the boxes (1) are stacked, the first limiting step structure (21) of the box (1) at the bottom is connected in a coordinated manner with the second limiting step structure (31) of the box (1) at the top.

3. The stacked battery box according to claim 2, characterized in that: The first limiting step structure (21) comprises a first mounting surface (211) arranged at the upper end of the enclosure plate (11), and the first mounting surface (211) is provided with at least one first protrusion (212); The second limiting step structure (31) comprises a second mounting surface (311) arranged at the lower end of the enclosure plate (11), and the second mounting surface (311) is provided with at least one second protrusion (312); When the boxes (1) are stacked, the first protrusion (212) of the box (1) at the bottom is matched and connected with the second protrusion (312) of the box (1) at the top.

4. The stacked battery box according to claim 3, characterized in that: The first protrusion (212) is arranged at one end of the first mounting surface (211) close to the inner cavity of the box body (1), and forms a first plug-in portion (213) with the first mounting surface (211); The second protrusion (312) is arranged at an end of the second mounting surface (311) away from the inner cavity of the box body (1), and forms a second plug-in portion (313) with the second mounting surface (311); When the boxes (1) are stacked, the first protrusion (212) of the box (1) at the bottom is connected in a matching manner with the second plug-in portion (313) of the box (1) at the top, and the second protrusion (312) of the box (1) at the top is connected in a matching manner with the first plug-in portion (213) of the box (1) at the bottom.

5. The stacked battery box according to claim 4, characterized in that: The length of the first protrusion (212) is equal to the length of the enclosure plate (11), and the length of the second protrusion (312) is equal to the length of the enclosure plate (11).

6. The stacked battery box according to claim 4, characterized in that: The side of the first protrusion (212) close to the inner cavity of the box body (1) is in the same plane as the side of the enclosure (11) close to the inner cavity of the box body (1), and the side of the second protrusion (312) away from the inner cavity of the box body (1) is in the same plane as the side of the enclosure (11) away from the inner cavity of the box body (1).

7. The stacked battery box according to any one of claims 1 to 6, characterized in that: It also comprises a locking accessory (4), and the first locking element (2) and the second locking element (3) are both connected to the locking accessory (4).

8. The stacked battery box according to any one of claims 1 to 6, characterized in that: The first locking member (2), the second locking member (3) and the enclosure plate (11) are integrally formed; And / or, the enclosure plate (11) is made of extruded profile.

9. The stacked battery box according to any one of claims 1 to 6, characterized in that: It also comprises a cover body, which is arranged to cover the upper end of the uppermost box body (1).

10. A battery system, characterized in that: Comprising a stacked battery box as described in any one of claims 1-9.

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