Battery pack

Abstract

The utility model discloses a battery pack and belongs to the technical field of battery packs. The battery pack comprises a box body, a connector and a wire harness, the connector and the wire harness are connected to the box body, the connector protrudes out of the box body, the battery pack further comprises a connecting assembly, the connecting assembly comprises a buckling part, the buckling part comprises a connecting piece and a clamping piece, a through hole is formed in the connecting piece, and the clamping piece is arranged in the through hole. The connecting piece is provided with a through hole, the clamping piece is arranged in the through hole and connected to the inner wall of the through hole of the connecting piece, the connector is arranged in the through hole in a penetrating mode, and the clamping piece is clamped to the outer wall of the connector; and the binding belt is connected to the connecting piece, and the binding belt is used for binding the wire harness.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery pack technical field, concretely relates to a battery pack. BACKGROUND

[0002] With the continuous development of battery pack technology, the energy density of battery pack is more and more concerned by the industry. That is, the space utilization of battery pack is more and more concerned by the industry.

[0003] In the related art, in order to improve the space utilization of the battery pack, the arrangement space of the wire harness in the battery pack is continuously compressed, resulting in that the arrangement space of the wire harness in the battery pack is getting smaller and smaller. The connector of the battery pack is installed on the box body of the battery pack, and the connector is a cylindrical body protruding from the box body. The arrangement of the wire harness and the setting of the connector all occupy the space of the battery pack, which is not conducive to improving the space utilization of the battery pack. SUMMARY

[0004] The utility model discloses a kind of battery pack, to solve or at least partially solve the problems existing in prior art, the arrangement of wire harness and the setting of connector all occupy the space of battery pack, which is not conducive to improving the space utilization of the battery pack.

[0005] To solve the above technical problems, the utility model is realized as follows:

[0006] The utility model discloses a kind of battery pack, the battery pack includes box body, connector and wire harness, the connector and the wire harness are connected to the box body, the connector protrudes the box body, the battery pack further includes connecting assembly, the connecting assembly further includes: buckle portion, the buckle portion includes connecting piece and clamping piece, the connecting piece is provided with through-hole, the clamping piece is set in the through-hole, and is connected to the inner wall of the through-hole of the connecting piece, the connector is arranged in the through-hole, and the clamping piece is clamped in the outer wall of the connector;Belt, the belt is connected to the connecting piece, and the belt is used to bind the wire harness.

[0007] Optionally, the clamping piece includes first end connected to the inner wall of the connecting piece and second end away from the inner wall of the connecting piece, and the second end is a sharp corner end.

[0008] Optionally, the battery pack has intersecting first direction and second direction, the first direction is the extension direction of the connecting piece;Along the first direction, the first end and the box body have a first distance, and the second end and the box body have a second distance, and the second distance is greater than the first distance.

[0009] Optionally, the clamping piece is a spring steel clamping piece, the clamping piece extends along the second direction, the second direction and the first direction have a first included angle, and the first included angle is less than 90 degrees.

[0010] Optionally, the first included angle is less than or equal to 60 degrees.

[0011] Optionally, the clamping piece includes at least two clamping pieces, and the at least two clamping pieces are arranged in a circumferential direction of the inner wall of the connecting piece.

[0012] Optionally, the clamping piece includes two clamping pieces, and the two clamping pieces are arranged in a radial direction of the connecting piece.

[0013] Optionally, the clamping piece is integrally formed with the connecting piece.

[0014] Optionally, the connector is a cylinder, the through hole is a circular hole, and the diameter of the through hole is greater than the diameter of the connector.

[0015] Optionally, the cable tie is integrally formed with the connecting piece, or the cable tie is detachably connected to the connecting piece.

[0016] The utility model discloses a battery pack includes box, connector and pencil, and connector and pencil are connected to the box, and the connector projects the box, and the battery pack still includes connecting assembly, and the connecting assembly includes buckle part and cable tie, wherein, buckle part includes connecting piece and clamping piece, and the through hole is set up in the connecting piece, and the connector is arranged in the through hole, and the clamping piece is arranged in the through hole, and is connected to the inner wall of the through hole of connecting piece, and the outer wall of connector is clamped through clamping piece, to fix the connecting piece for connector. The cable tie is connected to the connecting piece, and the pencil is bound through the cable tie to arrange and fix the pencil. Through above -mentioned setting, the space that occupies of pencil and connector is saved to improve the space utilization of battery pack. ACCURACY OF DRAWINGS

[0017] Figure 1 The utility model discloses a battery pack includes box, connector and pencil, and connector and pencil are connected to the box, and the connector projects the box, and the battery pack still includes connecting assembly, and the connecting assembly includes buckle part and cable tie, wherein, buckle part includes connecting piece and clamping piece, and the through hole is set up in the connecting piece, and the connector is arranged in the through hole, and the clamping piece is arranged in the through hole, and is connected to the inner wall of the through hole of connecting piece, and the outer wall of connector is clamped through clamping piece, to fix the connecting piece for connector. The cable tie is connected to the connecting piece, and the pencil is bound through the cable tie to arrange and fix the pencil. Through above -mentioned setting, the space that occupies of pencil and connector is saved to improve the space utilization of battery pack. Figure One ;

[0018] Figure 2 The utility model discloses a battery pack includes box, connector and pencil, and connector and pencil are connected to the box, and the connector projects the box, and the battery pack still includes connecting assembly, and the connecting assembly includes buckle part and cable tie, wherein, buckle part includes connecting piece and clamping piece, and the through hole is set up in the connecting piece, and the connector is arranged in the through hole, and the clamping piece is arranged in the through hole, and is connected to the inner wall of the through hole of connecting piece, and the outer wall of connector is clamped through clamping piece, to fix the connecting piece for connector. The cable tie is connected to the connecting piece, and the pencil is bound through the cable tie to arrange and fix the pencil. Through above -mentioned setting, the space that occupies of pencil and connector is saved to improve the space utilization of battery pack. Figure Two ;

[0019] Figure 3 The utility model discloses a battery pack includes box, connector and pencil, and connector and pencil are connected to the box, and the connector projects the box, and the battery pack still includes connecting assembly, and the connecting assembly includes buckle part and cable tie, wherein, buckle part includes connecting piece and clamping piece, and the through hole is set up in the connecting piece, and the connector is arranged in the through hole, and the clamping piece is arranged in the through hole, and is connected to the inner wall of the through hole of connecting piece, and the outer wall of connector is clamped through clamping piece, to fix the connecting piece for connector. The cable tie is connected to the connecting piece, and the pencil is bound through the cable tie to arrange and fix the pencil. Through above -mentioned setting, the space that occupies of pencil and connector is saved to improve the space utilization of battery pack. Figure Three ;

[0020] Figure 4 The utility model discloses a battery pack includes box, connector and pencil, and connector and pencil are connected to the box, and the connector projects the box, and the battery pack still includes connecting assembly, and the connecting assembly includes buckle part and cable tie, wherein, buckle part includes connecting piece and clamping piece, and the through hole is set up in the connecting piece, and the connector is arranged in the through hole, and the clamping piece is arranged in the through hole, and is connected to the inner wall of the through hole of connecting piece, and the outer wall of connector is clamped through clamping piece, to fix the connecting piece for connector. The cable tie is connected to the connecting piece, and the pencil is bound through the cable tie to arrange and fix the pencil. Through above -mentioned setting, the space that occupies of pencil and connector is saved to improve the space utilization of battery pack. Figure Four ;

[0021] Figure 5 Figure 3 shows a partial structure diagram of the battery pack according to an embodiment of the present application Figure Five ;

[0022] Figure 6 Figure 4 shows a partial cross-sectional view of the battery pack according to an embodiment of the present application Figure One ;

[0023] Figure 7 Figure 5 shows a partial cross-sectional view of the battery pack according to an embodiment of the present application Figure Two .

[0024] Reference signs:

[0025] 10: box; 11: connector

[0026] 20: buckle part; 21: connecting piece; 211: through hole; 22: clamping piece; 221: first end; 222: second end

[0027] 30: cable tie

[0028] L1: first distance; L2: second distance; a: first included angle

[0029] X: first direction; Y: second direction DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the fixed scope of the present application.

[0031] It should be understood that the "one embodiment" or "an embodiment" mentioned throughout the specification means that the specific features, structures or characteristics related to the embodiment are included in at least one embodiment of the present application. Therefore, "in one embodiment" or "in an embodiment" appearing throughout the specification does not necessarily mean the same embodiment. In addition, these specific features, structures or characteristics can be combined in one or more embodiments in any suitable manner.

[0032] Referring to Figure 1 , a partial structure diagram of the battery pack according to an embodiment of the present application is shown Figure One ; referring to Figure 2 , a partial structure diagram of the battery pack according to an embodiment of the present application is shown Figure Two ; referring to Figure 3 , a partial structure diagram of the battery pack according to an embodiment of the present application is shownFigure Three ; refer to Figure 4 , shows the partial structure schematic of the battery pack in the embodiment of the utility model Figure Four ; refer to Figure 5 , shows the partial structure schematic of the battery pack in the embodiment of the utility model Figure Five ; refer to Figure 6 , shows the partial structure schematic of the battery pack in the embodiment of the utility model Figure One ; refer to Figure 7 , shows the partial structure schematic of the battery pack in the embodiment of the utility model Figure Two .

[0033] As Figures 1 to 7 indicated, the utility model embodiment discloses a kind of battery pack, the battery pack includes box 10, connector 11 and wire harness, connector 11 and wire harness are connected to box 10, connector 11 protrudes box 10, battery pack also includes connecting assembly, connecting assembly includes: buckle part 20, buckle part 20 includes connecting piece 21 and clamping piece 22, through hole 211 is provided in connecting piece 21, clamping piece 22 is arranged in through hole 211, and is connected to the inner wall of through hole 211 of connecting piece 21, connector 11 is arranged in through hole 211, clamping piece 22 is clamped in the outer wall of connector 11;Belt 30, belt 30 is connected to connecting piece 21, and belt 30 is used to bind wire harness.

[0034] The utility model embodiment discloses a kind of battery pack, battery pack is used to store electric energy and supply electric energy to electric equipment, and battery pack is the power supply of electric equipment.Exemplarily, battery pack can be used as the core component of new energy automobile power system, and power supply is provided for new energy automobile.In the utility model embodiment, for the specific use of battery pack, not too much limit.In actual application, technical personnel can set according to needs.

[0035] The following will take battery pack as the core component of new energy automobile power system, and power supply is provided for new energy automobile as an example, and the specific structure of the battery pack disclosed in the utility model embodiment is relevantly described.

[0036] As Figures 1 to 7 indicated, the battery pack disclosed in the utility model embodiment includes box 10, connector 11, wire harness and multiple electric cores, multiple electric cores are arranged in box 10, to protect multiple electric cores by box 10, improve the reliability and security of battery pack.Wire harness is connected between electric core and electric equipment, to make electric core and electric equipment conduct through wire harness, so that battery pack can power supply electric equipment.Connector 11 is arranged between wire harness connected electric core and electric equipment, to ensure efficient and safe transmission of electric energy by connector 11.

[0037] As Figure 5As shown in the figure, the connector 11 in the embodiment of the application is connected to the box body 10 and protrudes from the box body 10. It should be noted that the connector 11 can be a cylindrical structure protruding from the outer wall of the box body 10, can be a cuboid structure protruding from the outer wall of the box body 10, or can be another structure protruding from the outer wall of the box body 10. In the embodiment of the application, the specific structure of the connector 11 is not limited too much.

[0038] In the following, the connector 11 is taken as a cylindrical structure as an example to make relevant descriptions of the application.

[0039] As shown in the figure, Figures 1 to 7 The battery pack disclosed in the embodiment of the application further comprises a connecting assembly, the connecting assembly comprises a buckle part 20, the buckle part 20 comprises a connecting piece 21 and a clamping piece 22, and the connecting piece 21 is provided with a through hole 211. That is, the connecting piece 21 is a columnar structure with the through hole 211 inside. The clamping piece 22 is arranged in the through hole 211 and is connected to the inner wall of the through hole 211 of the connecting piece 21. It can be understood that the clamping piece 22 is connected to the inner wall of the through hole 211 of the connecting piece 21 and protrudes from the inner wall of the through hole 211 of the connecting piece 21.

[0040] When the connector 11 is a cylindrical structure, the through hole 211 is a cylindrical through hole, and the diameter of the through hole 211 is greater than the diameter of the connector 11, so that the connector 11 can be arranged in the through hole 211. Of course, in the embodiment of the application, the specific structure of the connector 11 and the through hole 211 is not limited too much, as long as the structure of the connector 11 is adapted to the structure of the through hole 211.

[0041] As shown in the figure, Figure 5 and Figure 7 As shown in the figure, the connector 11 in the embodiment of the application is arranged in the through hole 211, the clamping piece 22 can abut against the outer wall of the connector 11, and the clamping piece 22 is clamped to the outer wall of the connector 11 to fixedly connect the buckle part 20 to the connector 11.

[0042] It should be noted that in the embodiment of the application, the buckle part 20 is fixedly connected to the connector 11, that is, there is no relative position change between the buckle part 20 and the connector 11, and the buckle part 20 is clamped to the outer wall of the connector 11 by the clamping piece 22.

[0043] As shown in the figure, Figures 1 to 7 The connector 11 disclosed in the embodiment of the application further comprises a cable tie 30, and the cable tie 30 is connected to the connecting piece 21. Exemplarily, the cable tie 30 is connected to the outer wall of the connecting piece 21. The cable tie 30 can bundle the wire harness to fix the wire harness as a whole.

[0044] It should be noted that the cable tie 30 in the embodiments of the present application can be integrally formed with the connecting piece 21, can be attached to the outer wall of the connecting piece 21, or can be clamped to the outer wall of the connecting piece 21. In the embodiments of the present application, the specific connection mode between the cable tie 30 and the connecting piece 21 is not limited too much, and in actual application, the skilled person can set it according to the needs.

[0045] The utility model discloses a battery pack includes box 10, connector and wire harness, connector 11 and wire harness are connected in box 10, connector 11 protrudes box 10, and the battery pack still includes connecting assembly, and connecting assembly includes buckle part 20 and cable tie 30, and buckle part 20 includes connecting piece 21 and clamping piece 22, and the through -hole 211 is set up in connecting piece 21, and the connector 11 is worn in the through -hole 211, and the clamping piece 22 is set up in the through -hole 211, and is connected in the through -hole 211 inner wall of connecting piece 21, and the outer wall of connector 11 is clamped through clamping piece 22, to fix connecting piece 21 for connector 11. Cable tie 30 is connected to connecting piece 21, and wire harness is bound through cable tie 30 to arrange, fix wire harness. Through the above setting, the space occupied by wire harness and connector 11 is saved, and the space utilization of battery pack is improved.

[0046] In some embodiments, as shown in Figures 2 to 4 and Figure 6 and Figure 7 The utility model discloses a clamping piece 22 including the first end 221 connected to the inner wall of connecting piece 21 and the second end 222 away from the inner wall of connecting piece 21, and the second end 222 is a sharp corner end.

[0047] As shown in Figures 2 to 4 and Figure 6 and Figure 7 The utility model discloses a clamping piece 22 including the first end 221 connected to the inner wall of connecting piece 21 and the second end 222 away from the inner wall of connecting piece 21, and the second end 222 is a sharp corner end.

[0048] When the connector 11 is worn in the through -hole 211, the second end 222 of the clamping piece 22 can abut the outer wall of the connector 11. In the embodiments of the present application, the second end 222 of the clamping piece 22 is set as a sharp corner end, so that the second end 222 of the clamping piece 22 can be more firmly clamped to the outer wall of the connector 11, thereby more firmly fixing the buckle part 20 to the connector 11, and improving the reliability of the connection between the buckle part 20 and the connector 11.

[0049] It should be noted that, in the embodiments of the utility model, the second end 222 of the clamping piece 22 is a sharp corner end, that is, the second end 222 of the clamping piece 22 is an end portion with a sharp angle.

[0050] In some embodiments, as shown in Figures 1 to 7 The utility model discloses a battery pack has the first direction X and second direction Y of intersection, the first direction X is the extension direction of connecting piece 21, along the first direction X, the first distance L1 between first end 221 and box 10, the second distance L2 between second end 222 and box 10, and the second distance L2 is greater than the first distance L1.

[0051] As shown in Figures 1 to 7 The utility model discloses a battery pack has the first direction X and second direction Y of intersection, the first direction X is the extension direction of connecting piece 21, and the second direction Y is the extension direction of clamping piece 22.

[0052] In the embodiments of the utility model, along the extension direction of connecting piece 21, that is, along the first direction X, the first distance L1 between first end 221 and box 10, and the second distance L2 between second end 222 and box 10, and the second distance L2 is greater than the first distance L1. That is, the first end 221 of the clamping piece 22 is closer to the box 10, and the second end 222 of the clamping piece 22 is relatively far away from the box 10.

[0053] In the embodiments of the utility model, along the first direction X, the second distance L2 between second end 222 and box 10 is greater than the first distance L1 between first end 221 and box 10. When rotating the buckle part 20, the buckle part 20 can be separated from the connector 11, thereby facilitating the disassembly of the buckle part 20.

[0054] Optionally, the clamping piece 22 is made of spring steel material, that is, the clamping piece 22 is a spring steel clamping piece, and the second end 222 of the clamping piece 22 is a triangular sharp corner structure. When the operating personnel rotates the buckle part 20, the buckle part 20 can be smoothly separated from the connector 11, thereby facilitating the disassembly of the buckle part 20.

[0055] In some embodiments, as shown in Figures 1 to 7 The utility model discloses a clamping piece 22 in the embodiments of the utility model is a spring steel clamping piece, and the clamping piece 22 extends along the second direction Y, and the first included angle α between the second direction Y and the first direction X is less than 90 degrees.

[0056] The clamping piece 22 in the embodiment of the utility model is prepared from spring steel, and exemplarily, the spring steel can be fifty chromium vanadium four, the spring steel can be sixty-five manganese, and the spring steel can also be sixty silicon two manganese. The above is only an individual example of the specific material of the spring steel, and does not limit the utility model. In actual application, the skilled person can select a suitable spring steel to prepare the clamping piece 22 according to the need.

[0057] As shown in the drawings, Figures 1 to 7 The connecting piece 21 extends along a first direction X, and the clamping piece 22 extends along a second direction Y. The first direction X and the second direction Y have a first included angle α. In the embodiment of the utility model, the clamping piece 22 is prepared from spring steel, and the first included angle α between the clamping piece 22 and the connecting piece 21 is less than 90 degrees, so as to enhance the elasticity of the clamping piece 22, thereby facilitating the insertion of the connector 11 into the through hole 211 of the connecting piece 21, and facilitating the removal of the connecting piece 21 from the connector 11.

[0058] Before the connector 11 is inserted into the through hole 211 of the connecting piece 21, the second end 222 of the clamping piece 22 is far away from the inner wall of the through hole 211 of the connecting piece 21. When the connector 11 is inserted into the through hole 211 of the connecting piece 21, the outer wall of the connector 11 abuts against the second end 222 of the clamping piece 22, the connector 11 exerts pressure on the second end 222 of the clamping piece 22, so that the second end 222 of the clamping piece 22 is close to the inner wall of the through hole 211 of the connecting piece 21, and the distance between the second end 222 of the clamping piece 22 and the inner wall of the through hole 211 of the connecting piece 21 is shortened.

[0059] That is, the above setting makes the second end 222 of the clamping piece 22 abut against the outer wall of the connector 11, so that the second end 222 of the clamping piece 22 can be more firmly clamped on the outer wall of the connector 11, thereby more firmly fixing the clasp part 20 on the connector 11, and improving the reliability of the connection between the clasp part 20 and the connector 11.

[0060] Exemplarily, the first included angle α between the first direction X and the second direction Y can be 85 degrees, 80 degrees, 75 degrees, 70 degrees, 65 degrees, 60 degrees, 55 degrees, 50 degrees, 45 degrees, 40 degrees, 35 degrees, 30 degrees, 25 degrees, 20 degrees, etc.

[0061] As a preferred embodiment, the first included angle α in the embodiment of the utility model is less than or equal to 60 degrees.

[0062] As a preferred implementation, in the embodiment of the utility model, the clamping piece 22 is made of spring steel, and the first included angle a between the clamping piece 22 and the connecting piece 21 is less than or equal to 60 degrees, so as to further enhance the elasticity of the clamping piece 22, thereby facilitating the insertion of the connector 11 into the through hole 211 of the connecting piece 21, and facilitating the removal of the connecting piece 21 from the connector 11.

[0063] Further, the above arrangement enables the second end 222 of the clamping piece 22 to abut more firmly against the outer wall of the connector 11, so that the second end 222 of the clamping piece 22 can be more firmly clamped to the outer wall of the connector 11, thereby more firmly fixing the clasp portion 20 to the connector 11 and improving the reliability of the connection between the clasp portion 20 and the connector 11.

[0064] Exemplarily, the first included angle a between the first direction X and the second direction Y can be 60 degrees, 55 degrees, 50 degrees, 45 degrees, 40 degrees, 35 degrees, 30 degrees, 25 degrees, 20 degrees, 15 degrees, 10 degrees, etc.

[0065] In some embodiments, as shown in Figures 2 to 4 and Figure 6 and Figure 7 The clamping piece 22 in the embodiment of the utility model comprises at least two, and the at least two clamping pieces 22 are arranged along the circumference of the connecting piece 21.

[0066] As shown in Figures 2 to 4 and Figure 6 and Figure 7 The clamping piece 22 in the embodiment of the utility model comprises at least two, and the at least two clamping pieces 22 are arranged along the circumference of the connecting piece 21.

[0067] Exemplarily, the clamping piece 22 in the embodiment of the utility model can comprise three, and the three clamping pieces 22 are sequentially connected to the inner wall of the connecting piece 21 along the circumference of the connecting piece 21, and the distance between adjacent two clamping pieces 22 along the circumference of the connecting piece 21 is equal or unequal.

[0068] In some embodiments, as shown in Figures 2 to 4 and Figure 6 and Figure 7 The clamping piece 22 in the embodiment of the utility model comprises two, and the two clamping pieces 22 are oppositely arranged along the radial direction of the connecting piece 21.

[0069] As Figures 2 to 4 And Figure 6 And Figure 7 As shown in the optional embodiment, the clamping piece 22 can be provided with two, and the two clamping pieces 22 are arranged opposite along the radial direction of the connecting piece 21, so as to clamp the buckle part 20 on the outer wall of the connector 11 through the two clamping pieces 22 arranged opposite along the radial direction of the connecting piece 21, so that the buckle part 20 is more firmly fixed on the connector 11, and the reliability of the connection between the buckle part 20 and the connector 11 is improved.

[0070] It should be noted that the above specific setting mode of the clamping piece 22 is only an example of the utility model, and is not limited to the utility model. In actual application, the technician can also set the specific number of the clamping piece 22 and the specific connection mode of the clamping piece 22 and the connecting piece 21 according to the need.

[0071] The clamping piece 22 in the embodiment of the utility model can be made of spring steel, which has good elasticity, strength and toughness, and can withstand a large stress and repeated deformation without damage. Exemplarily, the spring steel can be fifty chromium vanadium four, the spring steel can be sixty-five manganese, and the spring steel can also be sixty silicon two manganese. The above is only an example of the specific material of the spring steel, and is not limited to the utility model. In actual application, the technician can select a suitable spring steel to prepare the clamping piece 22 according to the need.

[0072] In some embodiments, as Figures 2 to 4 And Figure 6 And Figure 7 As shown in the embodiment of the utility model, the clamping piece 22 and the connecting piece 21 are integrally formed.

[0073] As Figures 1 to 7 And Figures 1 to 7 And Figures 1 to 7 As shown in the embodiment of the utility model, the clamping piece 22 and the connecting piece 21 can be integrally formed. Exemplarily, the clamping piece 22 and the connecting piece 21 are integrally formed by spring steel.

[0074] In the embodiment of the utility model, the clamping piece 22 and the connecting piece 21 are integrally formed, so as to set the clamping piece 22 on the inner wall of the connecting piece 21, thereby simplifying the preparation process of the buckle part 20 and reducing the preparation cost of the buckle part 20.

[0075] Of course, the clamping piece 22 in the embodiment of the utility model can also be integrally formed with the connecting piece 21, and then the clamping piece 22 is connected to the connecting piece 21. Exemplarily, the connecting piece 21 can be formed by injection molding, the clamping piece 22 is machined by machining, and then the clamping piece 22 is arranged in the through hole 211 and connected to the inner wall of the through hole 211 of the connecting piece 21.

[0076] In some embodiments, as shown in Figures 1 to 7 The connector 11 is a cylinder, and the through hole 211 is a circular hole, and the diameter of the through hole 211 is greater than the diameter of the connector 11.

[0077] As shown in ​ In the case that the connector 11 is a cylindrical structure, the through hole 211 is a circular hole, that is, the structure of the connector 11 is matched with the structure of the through hole 211. Moreover, the diameter of the connector 11 is less than the diameter of the through hole 211, or in other words, the diameter of the through hole 211 is greater than the diameter of the connector 11. In this way, the connector 11 can be arranged in the through hole 211, and the clamping piece 22 can abut against the outer wall of the connector 11, and the clamping piece 22 is clamped to the outer wall of the connector 11, so that the buckle part 20 is more firmly fixed to the connector 11, and the reliability of the connection between the buckle part 20 and the connector 11 is improved.

[0078] Of course, the connector 11 is a cylinder, and the through hole 211 is a circular hole, which is only an individual embodiment of the utility model, and is not a limitation of the utility model. In actual application, the specific structure of the connector 11 and the through hole 211 can be set as needed by the technician, as long as the structure of the connector 11 is matched with the structure of the through hole 211.

[0079] In some embodiments, as shown in ​ The cable tie 30 is integrally formed with the connecting piece 21, or the cable tie 30 is detachably connected to the connecting piece 21.

[0080] As shown in ​ In the utility model embodiment, the cable tie 30 can be integrally formed with the connecting piece 21, so as to connect the cable tie 30 to the connecting piece 21, thereby simplifying the process of connecting the cable tie 30 to the connecting piece 21 and reducing the preparation cost of the battery pack.

[0081] Exemplarily, the cable tie 30 and the connecting piece 21 can be integrally formed by injection molding, and the cable tie 30 and the connecting piece 21 can be integrally formed by machining.

[0082] Of course, the cable tie 30 in the utility model embodiment can also be detachably connected to the connecting piece 21, so as to connect the cable tie 30 to the connecting piece 21, thereby simplifying the process of connecting the cable tie 30 to the connecting piece 21 and reducing the preparation cost of the battery pack.

[0083] For example, the cable tie 30 can be detachably connected to the connecting piece 21 by a bolt.

[0084] For example, a first clamping part can be arranged on the cable tie 30, and a second clamping part can be arranged on the connecting piece 21, and the second clamping part can be arranged on the outer wall of the connecting piece 21. The second clamping part is clamped on the first clamping part, so that the cable tie 30 is clamped on the connecting piece 21, and the cable tie 30 is detachably connected to the connecting piece 21.

[0085] Of course, the above are individual examples of the specific manner in which the cable tie 30 is connected to the connecting piece 21, and are not intended to limit the present application. In actual applications, a person skilled in the art can arrange the connection manner between the cable tie 30 and the connecting piece 21 according to the needs.

[0086] The utility model discloses an embodiment of a battery pack, the battery pack includes box, connector and pencil, the connector with the pencil is connected to the box, the connector protrudes the box, be provided with the connector that protrudes the box on the box, the battery pack still includes connecting assembly, the connecting assembly includes buckle part, the buckle part includes connecting piece and clamping piece, be provided with the through -hole in the connecting piece, the clamping piece is arranged in the through -hole, and is connected to the inner wall of the through -hole of connecting piece, the connector is arranged in the through -hole, and the clamping piece is clamped on the outer wall of the connector, the cable tie is connected to the connecting piece, and the cable tie is used for binding the pencil.

[0087] The utility model discloses an embodiment of a battery pack, the battery pack includes box, connector and pencil, the connector with the pencil is connected to the box, the connector protrudes the box, be provided with the connector that protrudes the box on the box, the battery pack still includes connecting assembly, the connecting assembly includes buckle part and cable tie, wherein, the buckle part includes connecting piece and clamping piece, be provided with the through -hole in the connecting piece, the connector is arranged in the through -hole, and the clamping piece is arranged in the through -hole and is connected to the inner wall of the through -hole of connecting piece, and the outer wall of the connector is clamped by the clamping piece, so that the connecting piece is fixed for the connector. The cable tie is connected to the connecting piece, and the pencil is bound by the cable tie, so as to arrange and fix the pencil. Through the above setting, the space occupied by the pencil and the connector is saved, and the space utilization rate of the battery pack is improved.

[0088] It should be noted that each of the embodiments in the specification adopts a progressive manner for description, and each embodiment focuses on the difference from other embodiments. The same or similar parts of each embodiment can be referred to each other.

[0089] Although the alternative embodiments of the utility model embodiments have been described, those skilled in the art can make other changes and modifications to these embodiments once the basic creative concept is known. Therefore, the appended claims are intended to include the alternative embodiments and all changes and modifications falling within the scope of the utility model embodiments.

[0090] Finally, it needs to be pointed out that in this text, relational terms such as first and second are used merely to distinguish one entity from another entity, and do not necessarily require or imply that there is any such actual relationship or order between these entities. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the article or terminal device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or further includes elements inherent to such article or terminal device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of additional identical elements in the article or terminal device including the element.

[0091] The above describes the technical solutions provided by the present application in detail. The principles and implementation modes of the present application are described by applying specific examples in this text. Meanwhile, for those skilled in the art, the principles and implementation modes of the present application will have changes in specific implementation modes and application ranges. In summary, the content of the specification should not be understood as a limitation of the present application.

Claims

1. A battery pack comprising a case (10), a connector (11) and a wire harness, the connector (11) and the wire harness being connected to the case (10), the connector (11) protruding from the case (10), characterized in that, The battery pack further comprises a connecting assembly, which comprises: A buckle part (20) comprising a connecting piece (21) and a clamping piece (22), a through hole (211) is arranged in the connecting piece (21), the clamping piece (22) is arranged in the through hole (211) and connected to the inner wall of the through hole (211) of the connecting piece (21), the connector (11) is arranged in the through hole (211), and the clamping piece (22) is clamped on the outer wall of the connector (11); A cable tie (30) connected to the connecting piece (21), which is used to bundle the wire harness.

2. The battery pack of claim 1, wherein, The clamping piece (22) comprises a first end (221) connected to the inner wall of the connecting piece (21) and a second end (222) away from the inner wall of the connecting piece (21), and the second end (222) is a sharp corner end.

3. The battery pack of claim 2, wherein, The battery pack has intersecting first direction (X) and second direction (Y), the first direction (X) is the extension direction of the connecting piece (21); Along the first direction (X), the first distance (L1) between the first end (221) and the box body (10) and the second distance (L2) between the second end (222) and the box body (10) are provided, and the second distance (L2) is greater than the first distance (L1).

4. The battery pack of claim 3, wherein, The clamping piece (22) is a spring steel clamping piece; The clamping piece (22) extends along the second direction (Y), and the first included angle (α) between the second direction (Y) and the first direction (X) is less than 90 degrees.

5. The battery pack of claim 4, wherein, The first included angle (α) is less than or equal to 60 degrees.

6. The battery pack of claim 1, wherein, The clamping piece (22) comprises at least two, and the at least two clamping pieces (22) are arranged along the circumference of the inner wall of the connecting piece (21).

7. The battery pack of claim 1, wherein, The clamping piece (22) comprises two, and the two clamping pieces (22) are arranged in opposite directions along the radial direction of the connecting piece (21).

8. The battery pack of claim 1, wherein, The clamping piece (22) is integrally formed with the connecting piece (21).

9. The battery pack of claim 1, wherein, The connector (11) is a cylinder, the through hole (211) is a circular hole, and the diameter of the through hole (211) is greater than the diameter of the connector (11).

10. The battery pack of claim 1, wherein, The cable tie (30) is integrally formed with the connecting piece (21); Alternatively, the cable tie (30) can be detachably connected to the connecting piece (21).

Images