Battery pack and electrical consumer

1. A battery pack, comprising:

a plurality of battery cells;

a box comprising a first housing and a second housing, wherein the first housing and the second housing are disposed opposite to each other, the first housing and the second housing together define a first accommodation cavity and a second accommodation cavity, the second accommodation cavity is defined at a side of the first accommodation cavity, the plurality of battery cells are accommodated in the first accommodation cavity, and each of the first housing and the second housing is provided with a first limiting portion at a top of the second accommodation cavity; and

a handle comprising a handle body, a connecting portion, and second limiting portions, wherein the connecting portion is connected with the handle body, the second limiting portions are connected with the handle body and/or the connecting portion, the connecting portion is accommodated in the second accommodation cavity and is configured to move between the top of the second accommodation cavity and a bottom of the second accommodation cavity, the second limiting portions are in limiting fit with first limiting portions of the first housing and the second housing respectively to provide the first housing and the second housing with extrusion pressures towards each other, and the box and the handle are arranged in a split manner.

2. The battery pack of claim 1 , wherein one of the first limiting portion and a second limiting portion is a limiting groove, another is a limiting plate, and the limiting plate is in fit with the limiting groove.

3. The battery pack of claim 2 , wherein the first limiting portions are limiting grooves and the second limiting portions are limiting plates, the limiting plates are connected to the handle body and the connecting portion, and the limiting plates are spaced apart.

4. The battery pack of claim 3 , wherein the first housing and the second housing further define an avoiding notch for avoiding end portions of the handle body, and the avoiding notch communicates with the limiting grooves.

5. The battery pack of claim 3 , wherein the limiting plate is connected with the handle body and the connecting portion at two catheti of a right triangle of the limiting plate respectively.

6. The battery pack of claim 1 , wherein each of the first housing and the second housing comprises a housing body and a protrusion, the protrusion is disposed at a side of the housing body, the housing body of the first housing and the housing body of the second housing are disposed opposite to each other and together define the first accommodation cavity, and the protrusion of the first housing and the protrusion of the second housing are disposed opposite to each other and together define the second accommodation cavity.

7. The battery pack of claim 6 , wherein the housing body has a side wall comprising a first plate portion, a second plate portion, and a third plate portion, the second plate portion is connected between the first plate portion and the third plate portion, the second plate portion is connected with the first plate portion and the third plate portion in a bent manner, the third plate portion is higher than the first plate portion, and the protrusion is disposed at the first plate portion.

8. The battery pack of claim 7 , wherein the connecting portion is implemented as two connecting portions connected with two ends of the handle body respectively, the protrusion of each of the first housing and the second housing is implemented as two protrusions, the two protrusions are disposed at two ends of the first plate portion respectively.

9. The battery pack of claim 1 , wherein the handle body is provided with a plurality of stiffeners, and weight reducing grooves are defined among the plurality of stiffeners.

10. An electrical consumer, comprising:

a battery pack comprising:

a plurality of battery cells;

a box comprising a first housing and a second housing, wherein the first housing and the second housing are disposed opposite to each other, the first housing and the second housing together define a first accommodation cavity and a second accommodation cavity, the second accommodation cavity is defined at a side of the first accommodation cavity, the plurality of battery cells are accommodated in the first accommodation cavity, and each of the first housing and the second housing is provided with a first limiting portion at a top of the second accommodation cavity; and

a handle comprising a handle body, a connecting portion, and second limiting portions, wherein the connecting portion is connected with the handle body, the second limiting portions are connected with the handle body and/or the connecting portion, the connecting portion is accommodated in the second accommodation cavity and is configured to move between the top of the second accommodation cavity and a bottom of the second accommodation cavity, the second limiting portions are in limiting fit with first limiting portions of the first housing and the second housing respectively to provide the first housing and the second housing with extrusion pressures towards each other, and the box and the handle are arranged in a split manner.

11. The electrical consumer of claim 10 , wherein one of the first limiting portion and a second limiting portion is a limiting groove, another is a limiting plate, and the limiting plate is in fit with the limiting groove.

12. The electrical consumer of claim 11 , wherein the first limiting portions are limiting grooves and the second limiting portions are limiting plates, the limiting plates are connected to the handle body and the connecting portion, and the limiting plates are spaced apart.

13. The electrical consumer of claim 12 , wherein the first housing and the second housing further define an avoiding notch for avoiding end portions of the handle body, and the avoiding notch communicates with the limiting grooves.

14. The electrical consumer of claim 12 , wherein the limiting plate is connected with the handle body and the connecting portion at two catheti of a right triangle of the limiting plate respectively.

15. The electrical consumer of claim 10 , wherein each of the first housing and the second housing comprises a housing body and a protrusion, the protrusion is disposed at a side of the housing body, the housing body of the first housing and the housing body of the second housing are disposed opposite to each other and together define the first accommodation cavity, and the protrusion of the first housing and the protrusion of the second housing are disposed opposite to each other and together define the second accommodation cavity.

16. The electrical consumer of claim 15 , wherein the housing body has a side wall comprising a first plate portion, a second plate portion, and a third plate portion, the second plate portion is connected between the first plate portion and the third plate portion, the second plate portion is connected with the first plate portion and the third plate portion in a bent manner, the third plate portion is higher than the first plate portion, and the protrusion is disposed at the first plate portion.

17. The electrical consumer of claim 16 , wherein the connecting portion is implemented as two connecting portions connected with two ends of the handle body respectively, the protrusion of each of the first housing and the second housing is implemented as two protrusions, the two protrusions are disposed at two ends of the first plate portion respectively.

18. The electrical consumer of claim 10 , wherein the handle body is provided with a plurality of stiffeners, and weight reducing grooves are defined among the plurality of stiffeners.

19. The battery pack of claim 8 , wherein each of the two protrusions has a top higher than the third plate portion.

20. The electrical consumer of claim 17 , wherein each of the two protrusions has a top higher than the third plate portion.