Copper bush assembly

Abstract

The utility model discloses a copper sleeve assembly. The copper sleeve assembly comprises a back plate, two L-shaped side plates, a bottom plate and a copper sleeve, the two L-shaped side plates are located on the two sides of the back plate respectively and detachably and fixedly connected with the back plate, and the positions of the two L-shaped side plates can be adjusted relative to the back plate in the Z-axis direction at the same time. The two sides of the bottom plate are detachably and fixedly connected with the L-shaped side plates correspondingly, the position of the bottom plate can be adjusted relative to the L-shaped side plates in the Y-axis direction, and a copper sleeve connecting hole is formed in the middle of the bottom plate. The copper sleeve is located at the bottom of the bottom plate and detachably and fixedly connected with the bottom plate, the copper sleeve is a hollow pipe body and comprises an inlet end and an outlet end, the inlet end corresponds to the copper sleeve access hole in position, and the position of the copper sleeve can be adjusted in the X-axis direction relative to the bottom plate; after the copper sleeve assembly is fixed to the pressing mechanism, the spatial position can still be flexibly adjusted according to actual requirements, the copper sleeve assembly can be suitable for laser welding of pole columns of various models, the copper sleeve does not need to be frequently replaced, cost is greatly saved, working efficiency is greatly improved, and the welding quality of a battery module is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of battery production, in particular to a copper sleeve component. Background Art

[0002] A battery module refers to a modular battery formed by connecting multiple battery cells in series or in parallel. The battery cells in the battery module are mainly connected using aluminum bars. By welding the aluminum bars to the poles of each battery cell, the battery cells can be connected in series or in parallel. The current aluminum bar laser welding process is completed using a clamping mechanism equipped with a copper sleeve assembly.

[0003] like Figure 1 As shown, the existing copper sleeve assembly includes a back plate 1, two L-shaped side plates 2, a bottom plate 3 and a copper sleeve 5, wherein the back plate 1 and the two L-shaped side plates 2, the two L-shaped side plates 2 and the bottom plate 3, and the bottom plate 3 and the copper sleeve 5 are fixedly connected by bolts and screw holes, and then the back plate 1 is fixedly connected to the clamping mechanism by bolts and screw holes. In this way, once the copper sleeve assembly is fixed to the clamping mechanism, the spatial position of the copper sleeve cannot be adjusted. When encountering poles of different heights and sizes, the copper sleeve assembly needs to be replaced in time, otherwise it is easy to cause the aluminum bar to be unable to be reliably pressed onto the corresponding pole due to insufficient height travel of the copper sleeve, making it easy to cause cold welding during welding. Secondly, the center point of laser welding and the center point of the copper sleeve inlet end are staggered, which makes it impossible to perform concentric welding of the aluminum bar and the pole, and finally the welding quality of the battery module cannot be guaranteed. However, replacing the copper sleeve assembly is not only costly, but also requires disassembly of multiple screws, which is inefficient. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a copper sleeve assembly, including:

[0005] A back plate having a first strip groove formed thereon;

[0006] Two L-shaped side panels are located on both sides of the back panel, and are detachably fixedly connected to the back panel, and can be adjusted relative to the back panel along the Z-axis direction at the same time;

[0007] The bottom plate is located below the back plate, and its two sides are detachably fixedly connected to the L-shaped side plates, and its position can be adjusted along the Y-axis direction relative to the L-shaped side plates. A copper sleeve access hole is provided in the middle of the bottom plate;

[0008] The copper sleeve is located at the bottom of the base plate and is detachably fixedly connected to the base plate. The copper sleeve is a hollow tube body, including an inlet end and an outlet end. The inlet end corresponds to the position of the copper sleeve access hole. The diameter of the inlet end is smaller than the diameter of the copper sleeve access hole. The position of the copper sleeve can be adjusted relative to the base plate along the X-axis direction.

[0009] Furthermore, at least two first screw holes are provided on both sides of the back panel along the Z-axis direction, and the two L-shaped side panels are exactly the same in structure, both including vertical sections and horizontal sections. At least three second screw holes are provided on the vertical sections along the Z-axis direction, and the two L-shaped side panels are respectively fixed on both sides of the back panel by fixing bolts in cooperation with the first screw holes and the second screw holes.

[0010] Furthermore, it also includes a locking block, which is detachably fixedly connected to the cross section, and the position of the locking block can be adjusted along the Y-axis direction relative to the cross section.

[0011] Furthermore, a boss is provided on the horizontal section, and step notches are provided on both sides of the bottom plate. The step notches cooperate with the boss, and the top of the step notch and the first step surface of the boss are in the same horizontal plane. The locking block is arranged above the top of the step notch and the first step surface of the boss, and the locking block is detachably fixedly connected to the first step surface of the boss for clamping the step notch.

[0012] Furthermore, at least three third screw holes are provided on the first step surface of the boss along the Y-axis direction, and a second strip groove is provided on the locking block. The locking block is detachably fixed to the boss by means of a fixing bolt that cooperates with the second strip groove and the third screw hole.

[0013] Furthermore, at least three fourth screw holes are provided on the second step surface of the boss along the Y-axis direction, and at least two fifth screw holes are provided on the step notch on each side. The base plate can be detachably fixed on the boss by fixing bolts cooperating with the fourth screw holes and the fifth screw holes.

[0014] Furthermore, the base plate is provided with strip through holes along the X-axis direction on both sides of the copper sleeve access hole, the length of the strip through holes is smaller than the length of the copper sleeve access hole, and two sixth screw holes are respectively provided on both sides of the top of the copper sleeve. The copper sleeve is removably fixed to the bottom of the base plate by fixing bolts, cooperating with the strip through holes and the sixth screw holes.

[0015] Furthermore, the copper sleeve access hole is a U-shaped hole, which includes an arc segment and straight segments integrally arranged at both ends of the arc segment, and the curvature of the arc segment is adapted to the curvature of the top inlet end of the copper sleeve.

[0016] Furthermore, there are at least two first strip grooves and both are U-shaped grooves.

[0017] Furthermore, the first screw hole and the second screw hole are arranged at equal distances.

[0018] The beneficial effect is that after the copper sleeve assembly designed in the present application is fixed in the clamping mechanism, the spatial position can still be flexibly adjusted according to actual needs, and it can be applied to laser welding of various types of poles without frequent replacement of the copper sleeve, which greatly saves costs and improves work efficiency, and ensures the welding quality of the battery module. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0020] Figure 1 It is a schematic diagram of the structure of the existing copper sleeve assembly;

[0021] Figure 2 It is a schematic diagram of the structure of the utility model;

[0022] Figure 3 This is an explosion diagram of the utility model;

[0023] In the figure:

[0024] 1. back plate; 11. first strip groove; 12. first screw hole;

[0025] 2. L-shaped side plate; 21. vertical section; 211. second screw hole; 22. horizontal section; 221. boss; 2211. first step surface; 22111. third screw hole; 2212. second step surface; 22121. fourth screw hole;

[0026] 3. Bottom plate; 31. Copper sleeve access hole; 32. Step notch; 321. Fifth screw hole; 33. Strip through hole;

[0027] 4. Locking block; 41. Second strip groove;

[0028] 5. Copper sleeve; 51. Inlet end; 52. Outlet end; 53. Sixth screw hole. DETAILED DESCRIPTION

[0029] The following will disclose multiple embodiments of the present invention with drawings. For the purpose of clear description, many practical details will be described together in the following description. However, it should be understood that these practical details should not be used to limit the present invention. In other words, in some embodiments of the present invention, these practical details are not necessary. In addition, in order to simplify the drawings, some conventional structures and components will be depicted in a simple schematic manner in the drawings.

[0030] It should be noted that all directional indications such as up, down, left, right, front, back... in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture as shown in the accompanying drawings. If the specific posture changes, the directional indication will also change accordingly.

[0031] In addition, in the present utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present utility model. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0032] Example

[0033] See also Figure 2 , Figure 2 The schematic diagram of the utility model is shown in Figure 1. The present embodiment provides a copper sleeve assembly, including a back plate 1, two L-shaped side plates 2, a bottom plate 3, a locking block 4 and a copper sleeve 5. The back plate 1 is provided with a first strip groove 11, and the first strip groove 11 has at least two U-shaped grooves, and the two U-shaped grooves ensure that the connection between the back plate 1 and the clamping mechanism is more stable. Figure 2 As shown, to facilitate understanding of this embodiment, direction axes are established, the X axis is the first direction, the Y axis is the second direction, and the Z axis is the third direction. The first direction, the second direction and the third direction are perpendicular to each other, wherein the first direction and the second direction are both parallel to the upper surface of the base plate 3, and the third direction is perpendicular to the upper surface of the base plate 3.

[0034] The back plate 1 can be fixed to the clamping mechanism by the fixing bolts in cooperation with the first strip groove 11. When the position of the entire copper sleeve assembly relative to the clamping mechanism needs to be adjusted along the Z-axis direction, it can be achieved by simply loosening the fixing bolts. The two L-shaped side panels 2 are respectively located on both sides of the back plate 1, and the two L-shaped side panels 2 are detachably fixedly connected to the back plate 1. The bottom plate 3 is located below the back plate 1, and the two sides of the bottom plate 3 are detachably fixedly connected to the L-shaped side panels 2. Here, the bottom plate 3 can be directly screwed to the L-shaped side panels 2, or the locking blocks 4 can be fixed to the two L-shaped side panels 2 to limit the movement of the bottom plate 3. The copper sleeve 5 is located at the bottom of the bottom plate 3 and is detachably fixedly connected to the bottom plate 3.

[0035] See also Figure 3 , Figure 3It is an exploded schematic diagram of the utility model. Two L-shaped side panels 2 are respectively located on both sides of the back panel 1, and the two L-shaped side panels 2 are detachably fixedly connected to the back panel 1, and the two L-shaped side panels 2 can be adjusted relative to the back panel 1 along the Z-axis direction at the same time. Specifically, at least two first screw holes 12 are set at equal distances on both sides of the back panel 1 along the Z-axis direction, and the two L-shaped side panels 2 are completely identical in structure, both of which include a vertical section 21 and a horizontal section 22. At least three second screw holes 211 are set at equal distances on the vertical section 21 along the Z-axis direction. The two L-shaped side panels 2 are respectively fixed to both sides of the back panel 1 by fixing bolts that cooperate with the first screw holes 12 and the second screw holes 211. When it is necessary to adjust the position of the L-shaped side panels 2 relative to the back panel 1 along the Z-axis direction, it can be achieved by matching the first screw holes 12 with different second screw holes 211.

[0036] The bottom plate 3 is located below the back plate 1, and the two sides of the bottom plate 3 are detachably fixedly connected to the L-shaped side plates 2, and the bottom plate 3 can be adjusted relative to the L-shaped side plates 2 along the Y-axis direction. Specifically, it can be implemented through at least the following two schemes: one is that a boss 221 is provided on the transverse section 22, and step notches 32 are provided on both sides of the bottom plate 3, and the step notches 32 match the boss 221. Preferably, the boss 221 and the step notch 32 have the same height. Of course, it is also possible for the step notch 32 to be higher than the boss 221, but the top of the step notch 32 and the first step surface 2211 of the boss 221 must be in the same horizontal plane, and the locking block 4 is provided on the top of the step notch 32 and above the first step surface 2211 of the boss 221, and the locking block 4 is detachably fixedly connected to the boss 221. The first step surface 2211 of the platform 221 is used to clamp the step notch 32, and the locking block 4 can also be adjusted in position relative to the cross section 22 along the Y-axis direction. At least three third screw holes 22111 are provided on the first step surface 2211 of the boss 221 along the Y-axis direction, and a second strip groove 41 is provided on the locking block 4. The locking block 4 is detachably fixed to the boss 221 by means of fixing bolts that cooperate with the second strip groove 41 and the third screw holes 22111. When it is necessary to adjust the position of the bottom plate 3 relative to the two L-shaped side plates 2 along the Y-axis direction, it can be achieved by simply loosening the fixing bolts. Secondly, at least three fourth screw holes 22121 are provided on the second step surface 2212 of the boss 221 along the Y-axis direction, and at least two fifth screw holes 321 are provided on the step notch 32 on each side. The bottom plate 3 can be detachably fixed on the boss 221 by means of fixing bolts cooperating with the fourth screw holes 22121 and the fifth screw holes 321. When the position of the bottom plate 3 relative to the two L-shaped side plates 2 along the Y-axis direction needs to be adjusted, it can be achieved by only matching the fifth screw holes 321 with different fourth screw holes 22121.

[0037] See also Figure 3, a copper sleeve access hole 31 is provided in the middle of the bottom plate 3, the copper sleeve 5 is located at the bottom of the bottom plate 3 and is detachably fixedly connected to the bottom plate 3, the copper sleeve 5 is a hollow tube body, including an inlet end 51 and an outlet end 52, the inlet end 51 corresponds to the position of the copper sleeve access hole 31, the diameter of the inlet end 51 is smaller than the diameter of the copper sleeve access hole 31, and the position of the copper sleeve 5 can be adjusted relative to the bottom plate 3 along the X-axis direction. The bottom plate 3 is also provided with strip-shaped through holes 33 along the X-axis direction on both sides of the copper sleeve access hole 31, the length of the strip-shaped through hole 33 is smaller than the length of the copper sleeve access hole 31, and two sixth screw holes 53 are respectively provided on both sides of the top of the copper sleeve 5, and the copper sleeve 5 is detachably fixed to the bottom of the bottom plate 3 by the fixing bolts, the strip-shaped through holes 33 and the sixth screw holes 53. When the position of the copper sleeve 5 relative to the bottom plate 3 needs to be adjusted along the X-axis direction, it can be achieved by simply loosening the fixing bolts. The copper sleeve access hole 31 is a U-shaped hole, which includes an arc segment and straight segments integrally arranged at both ends of the arc segment, and the curvature of the arc segment is adapted to the curvature of the top inlet end 51 of the copper sleeve 5. In this way, even if the copper sleeve 5 is moved to both ends of the copper sleeve access hole 31, it will not be blocked by the bottom plate 3, and the space can be used to the maximum extent. If the copper sleeve access hole 31 is a rectangular hole, when the copper sleeve 5 of the same size is moved to both ends of the copper sleeve access hole 31, the inlet end 51 of part of the copper sleeve 5 will be blocked by the bottom plate 3. In order to make the inlet end 51 of the copper sleeve 5 not blocked by the bottom plate 3 at all, the rectangular copper sleeve access hole 31 needs to be further extended, which will increase the space occupied by the entire component.

[0038] In summary, after the improvement based on the original copper sleeve assembly, even after the entire copper sleeve assembly is fixed on the clamping mechanism, the spatial position can still be flexibly adjusted according to actual needs. It can be suitable for laser welding of various types of poles without frequent replacement of copper sleeves, which greatly saves costs and improves work efficiency, and ensures the welding quality of the battery module.

[0039] The above is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A copper sleeve assembly, characterized in that: include: A back plate (1) having a first strip-shaped groove (11) formed thereon; Two L-shaped side panels (2), respectively located on both sides of the back panel (1), are detachably fixedly connected to the back panel (1), and can be simultaneously adjusted in position relative to the back panel (1) along the Z-axis direction; A bottom plate (3) is located below the back plate (1), and its two sides are respectively detachably fixedly connected to the L-shaped side plates (2), and its position can be adjusted along the Y-axis direction relative to the L-shaped side plates (2). A copper sleeve access hole (31) is provided in the middle of the bottom plate (3); A copper sleeve (5) is located at the bottom of the base plate (3) and is detachably fixedly connected to the base plate (3). The copper sleeve (5) is a hollow tube body, comprising an inlet end (51) and an outlet end (52). The inlet end (51) corresponds to the position of the copper sleeve access hole (31). The diameter of the inlet end (51) is smaller than the diameter of the copper sleeve access hole (31). The position of the copper sleeve (5) can be adjusted relative to the base plate (3) along the X-axis direction.

2. The copper sleeve assembly according to claim 1, characterized in that: At least two first screw holes (12) are provided on both sides of the back plate (1) along the Z-axis direction. The two L-shaped side plates (2) have completely the same structure and both include a vertical section (21) and a horizontal section (22). At least three second screw holes (211) are provided on the vertical section (21) along the Z-axis direction. The two L-shaped side plates (2) are respectively fixed to both sides of the back plate (1) by means of fixing bolts that cooperate with the first screw holes (12) and the second screw holes (211).

3. The copper sleeve assembly according to claim 2, characterized in that: It also comprises a locking block (4), wherein the locking block (4) is detachably fixedly connected to the transverse section (22), and the position of the locking block (4) can be adjusted along the Y-axis direction relative to the transverse section (22).

4. The copper sleeve assembly according to claim 3, characterized in that: The transverse section (22) is provided with a boss (221), and step notches (32) are provided on both sides of the bottom plate (3). The step notches (32) match the boss (221), and the top of the step notch (32) and the first step surface (2211) of the boss (221) are in the same horizontal plane. The locking block (4) is arranged at the top of the step notch (32) and above the first step surface (2211) of the boss (221). The locking block (4) is detachably fixedly connected to the first step surface (2211) of the boss (221) for clamping the step notch (32).

5. The copper sleeve assembly according to claim 4, characterized in that: At least three third screw holes (22111) are provided on the first step surface (2211) of the boss (221) along the Y-axis direction, and the locking block (4) is provided with a second strip groove (41), and the locking block (4) is detachably fixedly connected to the boss (221) by means of a fixing bolt that cooperates with the second strip groove (41) and the third screw hole (22111).

6. The copper sleeve assembly according to claim 4, characterized in that: At least three fourth screw holes (22121) are provided on the second step surface (2212) of the boss (221) along the Y-axis direction, and at least two fifth screw holes (321) are provided on each side of the step notch (32), and the base plate (3) is detachably fixed on the boss (221) by means of fixing bolts that cooperate with the fourth screw holes (22121) and the fifth screw holes (321).

7. The copper sleeve assembly according to claim 1, characterized in that: The bottom plate (3) is further provided with strip-shaped through holes (33) along the X-axis direction on both sides of the copper sleeve access hole (31); the length of the strip-shaped through holes (33) is less than the length of the copper sleeve access hole (31); two sixth screw holes (53) are respectively provided on both sides of the top of the copper sleeve (5); and the copper sleeve (5) is detachably fixed to the bottom of the bottom plate (3) by means of fixing bolts that cooperate with the strip-shaped through holes (33) and the sixth screw holes (53).

8. The copper sleeve assembly according to claim 1, characterized in that: The copper sleeve access hole (31) is a U-shaped hole, comprising an arc segment and straight line segments integrally arranged at both ends of the arc segment, and the curvature of the arc segment is adapted to the curvature of the top inlet end (51) of the copper sleeve (5).

9. The copper sleeve assembly according to claim 1, characterized in that: There are at least two first strip-shaped grooves (11), both of which are U-shaped grooves.

10. The copper sleeve assembly according to claim 2, characterized in that: The first screw hole (12) and the second screw hole (211) are arranged at an equal distance.

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