Connecting piece of battery and battery with connecting piece

Abstract

The utility model discloses a battery connecting piece and a battery with the same, the battery comprises a battery cover plate and a battery module, the battery cover plate is provided with a pole, the battery module is provided with a tab, and the connecting piece comprises a first connecting part, a second connecting part and a flexible connecting part. The first connecting part and the second connecting part are arranged at an interval in the width direction of the battery cover plate, each of the first connecting part and the second connecting part comprises a pole connecting part and a tab connecting part which are connected, and the pole connecting parts are located on the sides, close to each other, of the first connecting part and the second connecting part; the flexible connecting part is positioned between the first connecting part and the second connecting part and is connected with the pole connecting parts of the first connecting part and the second connecting part; and the flexible connecting part allows the first connecting part and the second connecting part to relatively move in any direction. According to the connecting piece disclosed by the utility model, the sizes of the first connecting part and the second connecting part can be adjusted according to the size of the battery cover plate when the connecting piece and the battery cover plate are assembled.

Description

Technical Field

[0001] The utility model mainly relates to the technical field of batteries, in particular to a battery connecting piece and a battery having the same. Background Art

[0002] The battery is usually composed of a battery module, a cover plate, and a shell. The cover plate is usually provided with a pole, and the battery module is provided with a pole ear structure. A connecting piece is required as an intermediate connecting piece to connect the pole ear on the battery module with the pole on the cover plate to achieve current transmission. In the prior art, the assembly positioning of the connecting piece and the cover plate is inaccurate, and the assembly is relatively difficult. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a battery connecting piece, wherein when the connecting piece is assembled with a battery cover, the sizes of the first connecting part and the second connecting part can be adjusted according to the size of the battery cover.

[0004] The utility model also provides a battery, which comprises the above-mentioned connecting piece.

[0005] According to the connecting piece of the battery of the embodiment of the utility model, the battery comprises: a battery cover and a battery module, the battery cover is provided with a pole, the battery module is provided with a pole lug, and the connecting piece comprises a first connecting portion, a second connecting portion and a flexible connecting portion. The first connecting portion and the second connecting portion are arranged at intervals in the width direction of the battery cover, and the first connecting portion and the second connecting portion both comprise a connected pole connecting portion and a pole lug connecting portion, and the pole connecting portion is located on the side where the first connecting portion and the second connecting portion are close to each other; the flexible connecting portion is located between the first connecting portion and the second connecting portion and is connected to the pole connecting portion of the first connecting portion and the second connecting portion, and the flexible connecting portion allows the first connecting portion and the second connecting portion to move relative to each other in any direction.

[0006] According to the connecting piece of the battery of the embodiment of the utility model, the first connecting part and the second connecting part are arranged at intervals in the width direction of the battery cover, the first connecting part and the second connecting part both include a connected pole connecting part and a pole ear connecting part, and the flexible connecting part is located between the first connecting part and the second connecting part and is connected to the pole connecting part of the first connecting part and the second connecting part, so that the pole connecting part of the first connecting part and the pole connecting part of the second connecting part are both electrically connected to the pole on the battery cover, so that the pole on the battery cover can be electrically connected to the pole ears on the two battery modules, so that more battery modules can be arranged inside the battery, and the battery power can be increased. The flexible connecting part allows the first connecting part and the second connecting part to move relative to each other in any direction, so that when the connecting piece is assembled with the battery cover, the size of the first connecting part and the second connecting part can be adjusted according to the size of the battery cover, so that the assembly of the connecting piece and the battery cover is more reliable.

[0007] In some embodiments of the present invention, the flexible connection portion includes a plurality of adjustment ribs arranged at intervals along the length direction of the battery cover, and each of the adjustment ribs allows the first connection portion and the second connection portion to move relative to each other in any direction.

[0008] In some embodiments of the present invention, the shape of the adjustment rib is U-shaped, V-shaped, W-shaped or wavy.

[0009] In some embodiments of the present invention, the flexible connection portion is a plate-like structure protruding toward one side of the thickness direction of the first connection portion or the second connection portion, and the length of the flexible connection portion along the length direction of the battery cover plate is the same as that of the pole connection portion.

[0010] In some embodiments of the present invention, the thickness of the flexible connection portion is smaller than the thickness of the pole connection portion.

[0011] In some embodiments of the utility model, a positioning column is provided on the battery cover plate, and a positioning hole matching with the positioning column is provided on the pole connecting portion.

[0012] In some embodiments of the present invention, the positioning hole is a strip hole extending along the length direction of the battery cover, and the width of the positioning hole is 0.1-1 mm larger than the diameter of the positioning column; and / or, the length of the positioning hole is L, the diameter of the positioning column is D, 1.5D≤L≤10D.

[0013] In some embodiments of the present invention, a notch is provided between the pole connecting portion and the pole tab connecting portion at least at one end along the length direction of the battery cover, and a through hole is provided between the pole connecting portion and the pole tab connecting portion.

[0014] In some embodiments of the utility model, along the width direction of the connecting piece, the width of the notch is 1-5mm; and / or, along the length direction of the connecting piece, the length of the notch is 1-5mm; and / or, along the width direction of the connecting piece, the width of the through hole is 1-5mm; and / or, along the length direction of the connecting piece, the length of the through hole is 1-5mm.

[0015] The battery according to the embodiment of the utility model comprises a battery housing, a battery cover, a battery module and the connecting piece of the battery. The upper end of the battery housing is open; the battery cover can be covered on the battery housing, the battery housing and the battery cover together define a receiving cavity, and the battery cover is provided with a pole; the battery module is arranged in the receiving cavity, and a pole ear is arranged on the side of the battery module facing the battery cover; the connecting piece is arranged in the receiving cavity and located between the battery module and the battery cover, the pole connecting part is connected to the pole, and the pole ear connecting part is connected to the pole ear.

[0016] According to the battery of the embodiment of the utility model, by arranging the first connection part and the second connection part in the width direction of the battery cover plate at intervals, the first connection part and the second connection part both include a connected pole connection part and a pole ear connection part, and the flexible connection part is located between the first connection part and the second connection part and is connected to the pole connection part of the first connection part and the second connection part, so that the pole connection part of the first connection part and the pole connection part of the second connection part are both electrically connected to the pole on the battery cover plate, so that the pole on the battery cover plate can be electrically connected to the pole ears on the two battery modules, so that more battery modules can be arranged inside the battery, and the battery power can be increased. The flexible connection part allows the first connection part and the second connection part to move relative to each other in any direction, so that when the connecting piece is assembled with the battery cover plate, the size of the first connection part and the second connection part can be adjusted according to the size of the battery cover plate, so that the assembly of the connecting piece and the battery cover plate is more reliable.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 is an exploded diagram of a battery according to an embodiment of the utility model;

[0020] Figure 2 is a three-dimensional diagram of the connecting piece and the connecting piece of the battery cover according to the embodiment of the utility model when they are unfolded;

[0021] Figure 3 is a three-dimensional diagram of the connecting piece and the connecting piece of the battery cover according to the embodiment of the utility model when they are bent;

[0022] Figure 4 is a three-dimensional diagram of the connecting sheet according to an embodiment of the utility model when it is unfolded;

[0023] Figure 5 yes Figure 4 The enlarged view of point A in the middle;

[0024] Figure 6 yes Figure 4 The enlarged view of point B in the middle;

[0025] Figure 7 is a three-dimensional diagram of the second type of adjustment rib when the connecting piece according to the embodiment of the utility model is unfolded;

[0026] Figure 8 yes Figure 7 Enlarged view of point C in the middle;

[0027] Fig. 9 is a front view of the flexible connection portion of the connecting piece according to the embodiment of the utility model when it is unfolded and is a plate-shaped structure;

[0028] Fig.10 yes Fig. 9 The enlarged view of point D in the middle;

[0029] Fig.11 is a three-dimensional diagram of a flexible connection portion of a connection sheet according to an embodiment of the utility model when it is unfolded and is a second plate-shaped structure;

[0030] Fig.12 yes Fig.11 Enlarged view of point E in the middle;

[0031] Fig.13 is a front view of the flexible connection portion of the connecting piece according to an embodiment of the utility model when it is unfolded and is a second plate-shaped structure;

[0032] Fig.14 yes Fig.13 Enlarged view of point F in the middle.

[0033] Reference numerals:

[0034] 100. Battery;

[0035] 10. Connecting piece;

[0036] 1. first connection part; 11. pole connection part; 111. positioning hole; 12. pole ear connection part; 121. pole ear sub-connection part; 13. notch; 14. through hole;

[0037] 2. A second connecting portion;

[0038] 3. Flexible connection part; 31. Adjustment rib; 32. Plate structure;

[0039] 20. Battery cover; 201. Pole; 202. Positioning column; 30. Battery module; 301. Pole ear; 40. Battery shell. DETAILED DESCRIPTION

[0040] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0041] In the description of the present utility model, it is necessary to understand that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0042] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0043] Reference below Figure 1-Figure 14 The connection sheet 10 of the battery 100 according to the embodiment of the present invention is described.

[0044] like Figure 1As shown, according to the connecting piece 10 of the embodiment of the utility model, the battery 100 includes a battery cover 20 and a battery module 30. Specifically, the battery cover 20 is covered on the top of the battery module 30, the battery cover 20 is provided with a pole 201, and the battery module 30 is provided with a pole ear 301. The connecting piece 10 connects the pole 201 and the pole ear 301, which is conducive to realizing the electrical connection between the battery cover 20 and the battery module 30.

[0045] Furthermore, if Figure 2 and Figure 7 As shown, the connecting piece 10 includes a first connecting portion 1, a second connecting portion 2 and a flexible connecting portion 3. The first connecting portion 1 and the second connecting portion 2 are arranged in a width direction of the battery cover plate 20 (eg Figure 2 b direction) are arranged at intervals, the first connecting part 1 and the second connecting part 2 both include a connected pole connecting part 11 and a pole lug connecting part 12, the pole connecting part 11 is electrically connected to the pole 201 on the battery cover 20, and the pole lug connecting part 12 is electrically connected to the pole lug 301 on the battery module 30, thereby realizing the electrical connection between the pole 201 and the pole lug 301, and the connecting sheet 10 can realize the electrical connection between two groups of poles 201 and the pole lug 301.

[0046] like Figure 2 and Figure 3 As shown, the pole connection part 11 is located on the side where the first connection part 1 and the second connection part 2 are close to each other, and the flexible connection part 3 is located between the first connection part 1 and the second connection part 2 and connected to the pole connection part 11 of the first connection part 1 and the second connection part 2, so that the pole connection part 11 of the first connection part 1 and the pole connection part 11 of the second connection part 2 are both electrically connected to the pole 201 on the battery cover 20, so that the pole 201 on the battery cover 20 can be electrically connected to the pole lugs 301 on the two battery modules 30, so that more battery modules 30 can be arranged inside the battery 100, which can increase the power of the battery 100. The flexible connection part 3 allows the first connection part 1 and the second connection part 2 to move relative to each other in any direction, so that when the connecting piece 10 is assembled with the battery cover 20, the size of the first connection part 1 and the second connection part 2 can be adjusted according to the size of the battery cover 20, so that the assembly of the connecting piece 10 and the battery cover 20 is more reliable.

[0047] According to the connecting piece 10 of the battery 100 of the embodiment of the utility model, the first connecting part 1 and the second connecting part 2 are spaced apart in the width direction of the battery cover 20, the first connecting part 1 and the second connecting part 2 both include a connected pole connecting part 11 and a pole ear connecting part 12, and the flexible connecting part 3 is located between the first connecting part 1 and the second connecting part 2 and is connected to the pole connecting part 11 of the first connecting part 1 and the second connecting part 2, so that the pole connecting part 11 of the first connecting part 1 and the pole connecting part 11 of the second connecting part 2 are both electrically connected to the pole 201 on the battery cover 20, so that the pole 201 on the battery cover 20 can be electrically connected to the pole ears 301 on the two battery modules 30, so that more battery modules 30 can be arranged inside the battery 100, which can increase the power of the battery 100. The flexible connection part 3 allows the first connection part 1 and the second connection part 2 to move relative to each other in any direction, so that when the connecting piece 10 and the battery cover plate 20 are assembled, the sizes of the first connection part 1 and the second connection part 2 can be adjusted according to the size of the battery cover plate 20, making the assembly of the connecting piece 10 and the battery cover plate 20 more reliable.

[0048] Of course, the present invention is not limited to this. Figure 3 As shown, each pole ear connection portion 12 can also be provided with a plurality of separated pole ear sub-connections 121, and each pole ear sub-connection portion 121 is respectively electrically connected to a pole ear 301 on a battery module 30, so that the pole 201 on the battery cover 20 can be electrically connected to the pole ears 301 on multiple battery modules 30, so that more battery modules 30 can be arranged inside the battery 100, and the power of the battery 100 can be increased.

[0049] In some embodiments of the present invention, Figure 4 and Figure 5 As shown, the flexible connection part 3 includes a portion along the length direction of the battery cover plate 20 (such as Figure 2 The first connection portion 1 and the second connection portion 2 are provided with a plurality of adjustment ribs 31 arranged at intervals (in the direction a shown in the figure), and each adjustment rib 31 allows the first connection portion 1 and the second connection portion 2 to move relative to each other in any direction. It is understandable that when the battery cover 20 and the connecting piece 10 are assembled, the adjustment amount of the flexible connection portion 3 may be different along the length direction of the battery cover 20. By providing a plurality of adjustment ribs 31 arranged at intervals along the length direction of the battery cover 20, the expansion and contraction amount of different adjustment ribs 31 can be adjusted according to the needs when adjusting the matching position of the battery cover 20 and the connecting piece 10, so that the matching of the battery cover 20 and the connecting piece 10 is more reliable.

[0050] Furthermore, if Figure 4 , Figure 5 , Figure 7 and Figure 8As shown, the shape of the adjustment rib 31 is U-shaped, V-shaped, W-shaped or wavy. The various shapes of the adjustment rib 31 are all shapes with the adjustment and expansion function. The shape of the adjustment rib 31 can be selected according to the matching requirements of the battery cover 20 and the connecting piece 10 to meet the size adjustment requirements of different connecting pieces 10.

[0051] In some embodiments of the present invention, Figure 9-14 As shown, the flexible connection part 3 is oriented toward the thickness direction of the first connection part 1 or the second connection part 2 (such as Fig. 9 The length of the flexible connection part 3 along the length direction of the battery cover plate 20 is the same as that of the pole connection part 11. At this time, the size of the flexible connection part 3 can be adjusted by adjusting the protrusion degree of the plate-like structure 32, so that the size of the connecting piece 10 can be adjusted, so that the battery cover plate 20 and the connecting piece 10 are more reliable, and the processing of the flexible connection part 3 is relatively simple.

[0052] In some embodiments of the present invention, Figure 5 , Figure 8 , Fig.10 , Fig.12 and Fig.14 As shown, the thickness of the flexible connection part 3 is smaller than the thickness of the pole connection part 11 , so that the strength of the flexible connection part 3 is relatively low, and the deformation of the flexible connection part 3 is relatively convenient when the size of the connecting piece 10 is adjusted.

[0053] In some embodiments of the present invention, Figure 2 , Figure 4 and Figure 6 As shown, the battery cover plate 20 is provided with a positioning column 202, and the pole connecting portion 11 is provided with a positioning hole 111 that matches the positioning column 202. At this time, the battery cover plate 20 and the pole connecting portion 11 can be positioned more accurately, so that the positioning of the battery cover plate 20 and the connecting piece 10 can be more accurate and reliable, making the assembly of the battery cover plate 20 and the connecting piece 10 more convenient, thereby making the connection between the battery cover plate 20 and the connecting piece 10 more reliable.

[0054] In some embodiments of the present invention, Figure 6As shown, the positioning hole 111 is a strip hole extending along the length direction of the battery cover 20, and the width of the positioning hole 111 is greater than the diameter of the positioning column 202 by 0.1-1mm. It can be understood that the width of the positioning hole 111 is greater than the diameter of the positioning column 202 by 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm or 1mm. The width of the positioning hole 111 is greater than the diameter of the positioning column 202 by not less than 0.1mm, which can make the cooperation between the positioning hole 111 and the positioning column 202 more convenient, and can make the assembly of the battery cover 20 and the connecting piece 10 more convenient; the width of the positioning hole 111 is greater than the diameter of the positioning column 202 by not more than 1mm, which can avoid the large difference in size between the positioning hole 111 and the positioning column 202, avoid more offset when assembling the battery cover 20 and the connecting piece 10, and avoid the connecting piece 10 from being installed in place.

[0055] In some embodiments of the present invention, the length of the positioning hole 111 is L, the diameter of the positioning post 202 is D, and 1.5D≤L≤10D. It is understandable that the length of the positioning hole 111 can be 1.5D, 2D, 2.5D, 3D, 3.5D, 4D, 4.5D, 5D, 5.5D, 6D, 6.5D, 7D, 7.5D, 8D, 8.5D, 9D, 9.5D or 10D. The length of the positioning hole 111 is not less than 1.5D, so that when the positioning hole 111 and the positioning post 202 are assembled, the positioning post 202 can be moved along the length direction of the positioning hole 111 (such as Figure 2 By moving the connecting piece 10 and the battery cover 20 a certain distance (in the direction a shown in the figure), the connecting piece 10 and the battery cover 20 can be connected at a suitable position after the movement when they are assembled, so that the connection between the connecting piece 10 and the battery cover 20 can be more reliable; the length of the positioning hole 111 is not greater than 10D, which can avoid a large difference in size between the positioning hole 111 and the positioning column 202, avoid a large offset when the battery cover 20 and the connecting piece 10 are assembled, and avoid the connecting piece 10 from being installed in place.

[0056] In some embodiments of the present invention, Figure 6 As shown, a notch 13 is provided between the pole connecting portion 11 and the pole lug connecting portion 12 at at least one end along the length direction of the battery cover 20, and a through hole 14 is provided between the pole connecting portion 11 and the pole lug connecting portion 12. By providing the notch 13 and the through hole 14, the connecting piece 10 can be bent at the notch 13 and the through hole 14. When there are multiple battery modules 30 inside the battery 100, the pole lug connecting portion 12 can be folded and folded, so that the assembly area required for the connecting piece 10 is small, and the assembly of the connecting piece 10 and the battery module 30 is relatively simple.

[0057] In some embodiments of the present invention, along the width direction of the connecting sheet 10 (eg Figure 2The width of the notch 13 is 1-5 mm. It is understood that the width of the notch 13 along the width direction of the connecting piece 10 can be 1 mm, 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 4.5 mm or 5 mm. The width of the notch 13 is not less than 1 mm, which can make the bending of the connecting piece 10 at the notch 13 more convenient; the width of the notch 13 is not more than 5 mm, which can prevent the size of the notch 13 from being too large and prevent the notch 13 from affecting the strength of the connecting piece 10.

[0058] In some embodiments of the present invention, along the length direction of the connecting piece 10 (such as Figure 2 b direction shown), the length of the notch 13 is 1-5mm. It is understandable that along the length direction of the connecting piece 10, the length of the notch 13 can be 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm or 5mm. The length of the notch 13 is not less than 1mm, which can make the bending at the notch 13 more convenient when the connecting piece 10 is bent; the length of the notch 13 is not more than 5mm, which can avoid the size of the notch 13 being too large, and can avoid the notch 13 affecting the strength of the connecting piece 10.

[0059] In some embodiments of the present invention, the width of the through hole 14 along the width direction of the connecting sheet 10 is 1-5 mm. It is understandable that the width of the through hole 14 along the width direction of the connecting sheet 10 can be 1 mm, 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 4.5 mm or 5 mm. The width of the through hole 14 is not less than 1 mm, which can make the bending at the through hole 14 more convenient when the connecting sheet 10 is bent; the width of the through hole 14 is not more than 5 mm, which can avoid the through hole 14 from being too large and can avoid the through hole 14 affecting the strength of the connecting sheet 10.

[0060] In some embodiments of the present invention, the length of the through hole 14 along the length direction of the connecting piece 10 is 1-5 mm. It is understandable that the length of the through hole 14 along the length direction of the connecting piece 10 can be 1 mm, 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 4.5 mm or 5 mm. The length of the through hole 14 is not less than 1 mm, which can make the bending at the through hole 14 more convenient when the connecting piece 10 is bent; the length of the through hole 14 is not more than 5 mm, which can avoid the through hole 14 from being too large and can avoid the through hole 14 from affecting the strength of the connecting piece 10.

[0061] In some embodiments of the present invention, the notch 13 and the through hole 14 can be circular or square, and the shapes of the notch 13 and the through hole 14 can be determined according to the material and strength of the connecting piece 10 and the processing method of the connecting piece 10 to meet the requirements during the processing of the connecting piece 10.

[0062] According to the battery 100 of the embodiment of the present utility model, Figure 1 As shown, it includes a battery housing 40, a battery cover 20, a battery module 30 and the above-mentioned connecting piece 10 for the battery 100. The upper end of the battery housing 40 is open, and the battery cover 20 can be covered on the battery housing 40. The battery housing 40 and the battery cover 20 jointly define a receiving cavity, and the battery module 30 is arranged in the receiving cavity. The battery housing 40 can better protect the battery module 30 and prevent the battery module 30 from being easily damaged by external forces. A pole 201 is provided on the battery cover 20, and a pole ear 301 is provided on the side of the battery module 30 facing the battery cover 20. The connecting piece 10 is arranged in the receiving cavity and is located between the battery module 30 and the battery cover 20. The pole connecting part 11 is connected to the pole 201, and the pole ear connecting part 12 is connected to the pole ear 301, which is conducive to realizing the electrical connection between the battery cover 20 and the battery module 30.

[0063] According to the battery 100 of the embodiment of the utility model, the first connection part 1 and the second connection part 2 are spaced apart in the width direction of the battery cover 20, the first connection part 1 and the second connection part 2 both include a connected pole connection part 11 and a pole ear connection part 12, and the flexible connection part 3 is located between the first connection part 1 and the second connection part 2 and is connected to the pole connection part 11 of the first connection part 1 and the second connection part 2, so that the pole connection part 11 of the first connection part 1 and the pole connection part 11 of the second connection part 2 are both electrically connected to the pole 201 on the battery cover 20, so that the pole 201 on the battery cover 20 can be electrically connected to the pole ears 301 on the two battery modules 30, so that more battery modules 30 can be arranged inside the battery 100, and the power of the battery 100 can be increased. The flexible connection part 3 allows the first connection part 1 and the second connection part 2 to move relative to each other in any direction, so that when the connecting piece 10 and the battery cover plate 20 are assembled, the sizes of the first connection part 1 and the second connection part 2 can be adjusted according to the size of the battery cover plate 20, making the assembly of the connecting piece 10 and the battery cover plate 20 more reliable.

[0064] Other structures and operations of the connecting piece 10 of the battery 100 according to the embodiment of the utility model are known to those skilled in the art and will not be described in detail here.

[0065] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0066] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A connecting sheet for a battery, characterized in that: The battery comprises: a battery cover and a battery module, wherein the battery cover is provided with a pole, the battery module is provided with a pole ear, and the connecting piece comprises: A first connection portion and a second connection portion, wherein the first connection portion and the second connection portion are spaced apart in the width direction of the battery cover plate, and each of the first connection portion and the second connection portion comprises a connected pole connection portion and a pole lug connection portion, and the pole connection portion is located on a side where the first connection portion and the second connection portion are close to each other; A flexible connection portion is located between the first connection portion and the second connection portion and is connected to the pole connection portions of the first connection portion and the second connection portion, and the flexible connection portion allows the first connection portion and the second connection portion to move relative to each other in any direction.

2. The connecting piece of the battery according to claim 1, characterized in that: The flexible connection portion includes a plurality of adjustment ribs arranged at intervals along the length direction of the battery cover plate, and each of the adjustment ribs allows the first connection portion and the second connection portion to move relative to each other in any direction.

3. The connecting piece of the battery according to claim 2, characterized in that: The shape of the adjusting rib is U-shaped, V-shaped, W-shaped or wave-shaped.

4. The connecting piece of the battery according to claim 1, characterized in that: The flexible connection portion is a plate-like structure protruding toward one side of the first connection portion or the second connection portion in the thickness direction, and the length of the flexible connection portion along the length direction of the battery cover plate is the same as that of the pole connection portion.

5. The connecting piece of the battery according to claim 1, characterized in that: The thickness of the flexible connection portion is smaller than the thickness of the pole connection portion.

6. The connecting piece of the battery according to claim 1, characterized in that: The battery cover is provided with a positioning post, and the pole connecting portion is provided with a positioning hole matched with the positioning post.

7. The connecting piece of the battery according to claim 6, characterized in that: The positioning hole is a strip-shaped hole extending along the length direction of the battery cover. The width of the positioning hole is 0.1-1 mm greater than the diameter of the positioning column; And / or, the length of the positioning hole is L, the diameter of the positioning column is D, and 1.5D≤L≤10D.

8. The connecting piece of the battery according to claim 1, characterized in that: A notch is provided between the pole connecting portion and the pole lug connecting portion at at least one end along the length direction of the battery cover, and a through hole is provided between the pole connecting portion and the pole lug connecting portion.

9. The connecting piece of the battery according to claim 8, characterized in that: Along the width direction of the connecting piece, the width of the notch is 1-5 mm; And / or, along the length direction of the connecting piece, the length of the notch is 1-5 mm; And / or, along the width direction of the connecting sheet, the width of the through hole is 1-5 mm; And / or, along the length direction of the connecting piece, the length of the through hole is 1-5 mm.

10. A battery, characterized in that: include: A battery housing, the upper end of which is open; A battery cover plate, which can be covered on the battery housing, the battery housing and the battery cover plate jointly define a receiving cavity, and a pole is provided on the battery cover plate; A battery module, the battery module is arranged in the accommodating cavity, and a pole ear is arranged on a side of the battery module facing the battery cover plate; According to any one of claims 1 to 9, the connecting piece for a battery is arranged in the accommodating cavity and is located between the battery module and the battery cover plate, the pole connecting portion is connected to the pole, and the pole ear connecting portion is connected to the pole ear.

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