CN-121983742-A - Battery device and electricity utilization device

Abstract

The application is applicable to the technical field of batteries and provides a battery device and an electric device, wherein the battery device comprises a box body assembly, a battery module and a battery module, wherein the box body assembly is provided with an accommodating space and comprises a mounting plate provided with a mounting hole; the battery unit comprises a battery unit component, an electric connecting piece, a fixing component and a locking structure, wherein the battery unit component is arranged in an accommodating space, the electric connecting piece is arranged in the accommodating space, the fixing component is arranged in an installation hole and comprises a main body piece, an adjusting piece, a deformable component and the locking structure, the main body piece is provided with a first end and a second end which are oppositely arranged, the first end is used for restraining the electric connecting piece, the second end penetrates through the installation hole, two ends of the deformable component are respectively connected with the second end and the adjusting piece, the adjusting piece and the main body piece can move relatively along the axial direction of the main body piece, the deformable component deforms in the radial direction of the main body piece, the deformable component can prop against the installation plate, and the locking structure can lock the adjusting piece on the installation plate. The battery device provided by the embodiment of the application can improve the fixing reliability of the fixing assembly and the electric connecting piece.

Inventors

• ZHAO XINYU

Assignees

• 宁德时代新能源科技股份有限公司

Dates

Publication Date

20260505

Application Date

20260330

Claims (17)

1. 1. A battery device, characterized by comprising: the box body assembly is provided with an accommodating space and comprises a mounting plate provided with a mounting hole; The battery monomer assembly is arranged in the accommodating space; The electric connecting piece is arranged in the accommodating space; The fixing assembly is arranged in the mounting hole and comprises a main body piece, an adjusting piece, a deformable part and a locking structure, wherein the main body piece is provided with a first end and a second end which are oppositely arranged, the first end is used for restraining the electric connecting piece, the second end is arranged in the mounting hole in a penetrating mode, two ends of the deformable part are respectively connected with the second end and the adjusting piece, the adjusting piece and the main body piece can move relatively along the axial direction of the main body piece, the deformable part is deformed in the radial direction of the main body piece, the deformable part can prop against the mounting plate, and the locking structure can lock the adjusting piece on the mounting plate.
2. 2. The battery device of claim 1, wherein the deformable member is deformable to switch between a locked state in which an outer envelope dimension of the deformable member is greater than a minimum inner envelope dimension of the mounting aperture, the deformable member being held against a surface of the mounting plate facing away from the first end, and a released state in which the outer envelope dimension of the deformable member is less than the minimum inner envelope dimension of the mounting aperture, the deformable member being disengageable from the mounting plate.
3. 3. The battery device of claim 1, wherein an outer envelope dimension of the second end is less than a minimum inner envelope dimension of the mounting hole.
4. 4. The battery device of claim 1, wherein the locking structure is coupled to the body member on a side of the adjustment member facing away from the second end, the locking structure being configured to hold or release the adjustment member to lock or unlock the adjustment member to the mounting plate.
5. 5. The battery device according to claim 4, wherein the regulating member is provided with a first through hole, the regulating member is sleeved on the main body member through the first through hole, the regulating member is coaxially arranged with the main body member, the locking structure is a deformable elastic member, and the locking structure can pass through the first through hole to avoid the regulating member.
6. 6. The battery device of claim 5, wherein the first end of the body member is provided with a fixing seat, and the locking structure is provided on the body member and between the fixing seat and the adjusting member; The fixing seat comprises a seat body and a constraint component connected with the seat body, and the constraint component is used for binding or clamping the electric connecting piece.
7. 7. The battery device of claim 6, wherein the locking structure comprises at least one spring arm that is deformable in a radial direction of the body member; The main body piece is provided with an axial groove extending along the axial direction of the main body piece, and at least part of the elastic arm can be accommodated in the axial groove.
8. 8. The battery device of claim 7, wherein the locking structure further comprises a mounting portion connected with the spring arm, a first radial groove is concavely formed in the end portion, close to the fixing seat, of the main body piece, the first radial groove is perpendicular to and communicated with the axial groove, the mounting portion is mounted in the first radial groove, and the fixing seat covers the first radial groove.
9. 9. The battery device of claim 8, wherein the locking structure comprises two of the spring arms spaced apart along the circumference of the body member, the locking structure further comprising a first resilient member connected between the two spring arms; The main body piece is further provided with a second radial groove, the second radial groove is vertically communicated with the axial groove, the second radial groove is arranged on one side, far away from the first radial groove, of the axial groove, and the first elastic piece is arranged in the second radial groove.
10. 10. The battery device of any one of claims 1-9, wherein the deformable member comprises a plurality of elastically deformable flexible straps having ends connected to the regulating member and the second end, respectively.
11. 11. The battery device of claim 10, wherein the flexible strap is a metal strip covered with an insulating layer, the flexible strap having a bend.
12. 12. The battery device of claim 10, wherein the flexible strap has a clamping portion at one end, a boss portion at the second end, and a clamping hole at the boss portion, the clamping portion being clamped with the clamping hole, and/or, The flexible belt is adhered or riveted with the adjusting piece.
13. 13. The battery device of any one of claims 1-9, wherein the deformable member comprises at least one hinge lever comprising a first lever having one end rotatably coupled to the adjustment member and a second lever having the other end rotatably coupled to the second lever, and wherein the second lever is rotatably coupled to the body member at an end remote from the first lever and is adapted to bear against the mounting plate.
14. 14. The battery device of claim 13, wherein the deformable member further comprises a chassis and a second resilient member disposed over the body member, the chassis being at the second end, the second rod being rotatably coupled to the chassis at an end thereof remote from the first rod, the second resilient member being disposed between the chassis and the adjustment member.
15. 15. The battery device of claim 13, wherein the first rod is hinged to the adjustment member by a pin, and wherein the pin is a clearance fit with at least one of the first rod and the adjustment member.
16. 16. The battery device of any one of claims 1-9, wherein the regulating member includes a tray having an outer dimension that gradually increases in a direction toward the second end, and wherein a portion of the deformable member is receivable within the tray.
17. 17. An electrical device comprising a battery device according to any one of claims 1 to 16.

Description

Battery device and electricity utilization device Technical Field The present application relates to the field of battery technologies, and in particular, to a battery device and an electric device. Background Energy conservation and emission reduction are key to sustainable development of the automobile industry, and electric vehicles become an important component of sustainable development of the automobile industry due to the energy conservation and environmental protection advantages of the electric vehicles. For electric vehicles, battery technology is an important factor in the development of the electric vehicles. The battery device is provided with electrical connectors such as a wire harness and a copper bar, and the electrical connectors are used as key electrical connection and conduction components, so that a plurality of fixing points are often required to be distributed, and vibration is effectively restrained, thermal stress is compensated, and electrical connection stability is guaranteed. At present, a fixing assembly with a harness binding belt is generally adopted to store and fix the electric connector. Some common fixed subassembly is installed on the mounting hole of sheet metal component through the mode of pressing, and fixed subassembly and the interference of mounting hole are limited, and fixed subassembly can become flexible, therefore, fixed subassembly and electric connector's fixed reliability need to promote. Disclosure of Invention In view of the above, the embodiment of the application provides a battery device and an electric device, which can improve the fixing reliability of a fixing assembly and an electric connector. The embodiment of the first aspect of the application provides a battery device, which comprises a box body assembly, a battery unit assembly, an electric connecting piece, a fixing assembly and a locking structure, wherein the box body assembly is provided with an accommodating space and comprises a mounting plate provided with a mounting hole, the battery unit assembly is arranged in the accommodating space, the electric connecting piece is arranged in the accommodating space, the fixing assembly is arranged in the mounting hole and comprises a main body piece, an adjusting piece, a deformable part and the locking structure, the main body piece is provided with a first end and a second end which are oppositely arranged, the first end is used for restraining the electric connecting piece, the second end penetrates through the mounting hole, two ends of the deformable part are respectively connected with the second end and the adjusting piece, the adjusting piece and the main body piece can relatively move along the axial direction of the main body piece, the deformable part deforms in the radial direction of the main body piece, the deformable part can prop against the mounting plate, and the locking structure can lock the adjusting piece on the mounting plate. In the battery device provided by the embodiment of the application, the fixing component comprises the main body part, the adjusting part, the deformable part and the locking structure, wherein two ends of the deformable part are respectively connected with the second end of the main body part and the adjusting part, the deformable part is driven to deform along the radial direction of the main body part by relatively moving the adjusting part and the main body part, so that the deformable part is convenient to penetrate through the mounting hole due to the smaller radial dimension of the deformable part along the main body part before the deformable part abuts against the mounting plate, the size of the deformable part along the radial direction of the main body part is increased after the deformable part is deformed so as to reliably abut against the mounting plate, the problem that the traditional wire harness fixing component is difficult to consider the mounting convenience and the interference fit amount is solved, the mounting reliability of the traditional wire harness fixing component and the mounting hole is improved, the fixing reliability of the fixing component is improved, the adjusting part and the first end are positioned on the outer side of the mounting hole, the locking structure can lock the adjusting part on the mounting plate so that the risk of looseness of the adjusting part is reduced, the size of the deformable part can be increased towards the first end after the deformable part is deformed, the fixing structure is convenient to detach the fixing component, and the fixing component is convenient to detach. In some embodiments, the deformable member is deformable to switch between a locked state in which an outer envelope dimension of the deformable member is greater than a minimum inner envelope dimension of the mounting aperture, the deformable member being held against a surface of the mounting plate facing away from the first end, and a released state in which the out