Disc type invisible welding spot aluminum-to-nickel tab suitable for battery assembly
By designing a sliding groove and limiting frame structure for the aluminum strip and nickel sleeve fixing mechanism, the problem of weak aluminum tab welding was solved, achieving stable connection and welding alignment during battery assembly.
Patent Information
- Application Number
- CN202423134438.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-19
AI Technical Summary
In existing technologies, the welding between the aluminum tabs and the battery is not strong, which affects the stability of the battery in use.
The aluminum-to-nickel electrode lug structure with disc-type invisible solder joints is adopted, including an aluminum strip and nickel sleeve fixing mechanism. The design of the slide groove and limit frame ensures a stable connection between the aluminum strip and the nickel sleeve, and the L-shaped mounting platform made of modified PP material improves the welding alignment.
This improves the welding stability of the aluminum strip and nickel sleeve fixing mechanism, ensuring stability and connection fastening effect during the welding process.
Smart Images

Figure CN223598973U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to battery pole lug technical field, concretely is disc type invisible welding spot aluminium conversion nickel pole lug suitable for battery assembly. BACKGROUND
[0002] Pole lug is a raw material of lithium ion polymer battery product. For example, the mobile phone battery, bluetooth battery, notebook computer battery etc. that we use in life all need to use pole lug. Battery is divided into positive and negative, and pole lug is a metal conductor that draws out the positive and negative from the battery core. In common language, the ear of the positive and negative pole of the battery is the contact point during charging and discharging. This contact point is not the copper sheet on the surface of the battery, but a kind of connection inside the battery.
[0003] The pole lug is fixed on the battery by welding, and the aluminum pole lug is directly welded on the battery. Due to the particularity of the material, the battery is prone to loose during connection, which affects the later use of the battery. In order to improve the welding effect, nickel material is used for connection with the battery. Therefore, disc type invisible welding spot aluminium conversion nickel pole lug suitable for battery assembly is proposed. SUMMARY
[0004] The utility model provides the following technical scheme: disc type invisible welding spot aluminium conversion nickel pole lug suitable for battery assembly, including aluminium band and nickel cover fixed mechanism, the outer wall of aluminium band is equipped with first sliding slot, the outer wall of aluminium band is equipped with recess, the outer wall of recess is equipped with arc connecting plate, the inner wall of first sliding slot is equipped with upper limit support, the outer wall of upper limit support is equipped with left fixed frame, the inner wall of upper limit support is equipped with lower limit support, the lower limit support is equipped with right fixed frame on the side away from left fixed frame, the outer wall of left fixed frame is equipped with through groove, the through groove passes through right fixed frame.
[0005] As a preferred technical scheme of the utility model, the outer wall of the left fixed frame is provided with a connecting through groove, and the connecting through grooves are symmetrically distributed on the outer wall of the aluminum band. The outer wall of the left fixed frame is provided with a plurality of connecting screws, and the plurality of connecting screws are symmetrically distributed on the outer wall of the left fixed frame.
[0006] As a preferred technical scheme of the utility model, the outer wall of the aluminum band is provided with a second sliding slot, the outer wall of the second sliding slot is provided with a welding cover plate, and the outer wall of the aluminum band is provided with a welding hole.
[0007] As a preferred technical scheme of the utility model, the inner wall of the second sliding slot is provided with an L-shaped mounting table, the second sliding slot and the L-shaped mounting table are slidingly connected, and the outer wall of the L-shaped mounting table is provided with a positioning tube, and the welding hole and the positioning tube are in communication.
[0008] As a preferred technical scheme of the utility model, the L-shaped mounting table is mainly prepared from modified PP material.
[0009] As a preferred technical scheme of the utility model, the upper limit frame and the lower limit frame are in sliding connection.
[0010] Compared with the prior art, the utility model has the following beneficial effects:
[0011] The disc type invisible welding point aluminum to nickel tab suitable for battery assembly is in sliding connection between the upper limit frame and the lower limit frame, so that when the left fixed frame is positioned with the right fixed frame, the nickel sleeve fixing mechanism is not easy to fall off when the aluminum band is connected with the nickel sleeve fixing mechanism, thereby the stability of the nickel sleeve fixing mechanism during welding is improved, and through the sliding connection effect between the L-shaped mounting table and the second sliding groove, the alignment of the L-shaped mounting table and the aluminum band during welding is also facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a three-dimensional structural schematic view of the disc type invisible welding point aluminum to nickel tab suitable for battery assembly.
[0013] Figure 2 It is a structural schematic view of the aluminum band in the disc type invisible welding point aluminum to nickel tab suitable for battery assembly.
[0014] Figure 3 It is a structural schematic view of the nickel sleeve fixing mechanism in the disc type invisible welding point aluminum to nickel tab suitable for battery assembly.
[0015] Figure 4 It is a structural schematic view of the welding cover plate in the disc type invisible welding point aluminum to nickel tab suitable for battery assembly.
[0016] In the figure: 1, aluminum band; 2, connecting through slot; 3, nickel sleeve fixing mechanism; 31, left fixed frame; 32, through groove; 33, upper limit frame; 34, right fixed frame; 35, lower limit frame; 36, arc-shaped connecting plate; 4, connecting screw; 5, welding cover plate; 51, L-shaped mounting table; 52, alignment tube; 6, groove; 7, first sliding groove; 8, second sliding groove; 9, welding hole. DETAILED DESCRIPTION
[0017] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0018] Please refer toFigures 1-4 The disc-shaped invisible welding point aluminum-to-nickel tab for battery assembly comprises an aluminum strip 1 and a nickel sleeve fixing mechanism 3, the outer wall of the aluminum strip 1 is provided with a first sliding groove 7, the outer wall of the aluminum strip 1 is provided with a groove 6, the outer wall of the groove 6 is provided with an arc-shaped connecting plate 36, the inner wall of the first sliding groove 7 is provided with an upper limiting frame 33, the outer wall of the upper limiting frame 33 is provided with a left fixing frame 31, the inner wall of the upper limiting frame 33 is provided with a lower limiting frame 35, the lower limiting frame 35 is provided with a right fixing frame 34 on the side away from the left fixing frame 31, the outer wall of the left fixing frame 31 is provided with a through groove 32, the through groove 32 penetrates the right fixing frame 34, and the upper limiting frame 33 and the lower limiting frame 35 are connected in sliding mode, wherein the clamping effect between the arc-shaped connecting plate 36 and the groove 6 enables the left fixing frame 31 to be aligned with the aluminum strip 1 during fixing, guarantees the connection stability of the left fixing frame 31 and the aluminum strip 1 during connection, and thus the connection stability of the aluminum strip 1 and the left fixing frame 31 can be effectively improved, the outer wall of the left fixing frame 31 is provided with a connecting through groove 2, the connecting through groove 2 is symmetrically arranged on the outer wall of the aluminum strip 1, the outer wall of the left fixing frame 31 is provided with a plurality of connecting screws 4, and the plurality of connecting screws 4 are symmetrically arranged on the outer wall of the left fixing frame 31, wherein the connecting screw 4 is a retractable impact bolt, which can effectively improve the connection fastening effect between the left fixing frame 31 and the right fixing frame 34 during fixing, the outer wall of the aluminum strip 1 is provided with a second sliding groove 8, the outer wall of the second sliding groove 8 is provided with a welding cover plate 5, and the outer wall of the aluminum strip 1 is provided with a welding hole 9, wherein the first sliding groove 7 and the second sliding groove 8 arranged on the outer wall of the aluminum strip 1 can improve the connection stability of the welding cover plate 5, the nickel sleeve fixing mechanism 3 and the aluminum strip 1, the inner wall of the second sliding groove 8 is provided with an L-shaped mounting table 51, the second sliding groove 8 and the L-shaped mounting table 51 are connected in sliding mode, the outer wall of the L-shaped mounting table 51 is provided with a positioning pipe 52, and the welding hole 9 and the positioning pipe 52 are penetrated, wherein the positioning pipe 52 and the welding hole 9 are penetrated, which can facilitate the alignment of the L-shaped mounting table 51 and the aluminum strip 1, and the L-shaped mounting table 51 is mainly prepared from modified PP material, wherein the particularity of the modified PP material can improve or improve the performance of the plastic material in some aspects during use, and increase the functionality.
[0019] Working principle, when the device is needed, the worker inserts the arc-shaped connecting plate 36 into the groove 6, inserts the connecting screw 4 into the left fixing frame 31, pulls the connecting screw 4, tightens the left fixing frame 31 and the right fixing frame 34, and fixes the aluminum strip 1, aligns the connecting through groove 2 with the external connecting device, and starts welding.
[0020] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A disc type invisible soldering point aluminum to nickel tab for battery assembly, comprising an aluminum strip (1) and a nickel sleeve fixing mechanism (3), characterized in that: The outer wall of the aluminum strip (1) is provided with a first sliding groove (7), the outer wall of the aluminum strip (1) is provided with a groove (6), the outer wall of the groove (6) is provided with an arc-shaped connecting plate (36), the inner wall of the first sliding groove (7) is provided with an upper limiting frame (33), the outer wall of the upper limiting frame (33) is provided with a left fixed frame (31), the inner wall of the upper limiting frame (33) is provided with a lower limiting frame (35), the lower limiting frame (35) is provided with a right fixed frame (34) away from the left fixed frame (31), the outer wall of the left fixed frame (31) is provided with a through groove (32), and the through groove (32) penetrates the right fixed frame (34).
2. The disc-shaped, hidden-spot-welding, aluminum-to-nickel tab for battery assembly of claim 1, wherein: The outer wall of the left fixed frame (31) is provided with a connecting through groove (2), and the connecting through groove (2) is symmetrically distributed on the outer wall of the aluminum strip (1), the outer wall of the left fixed frame (31) is provided with a plurality of connecting screws (4), and the plurality of connecting screws (4) are symmetrically distributed on the outer wall of the left fixed frame (31).
3. The disc-shaped, hidden-spot-welding, aluminum-to-nickel tab for battery assembly of claim 1, wherein: The outer wall of the aluminum strip (1) is provided with a second sliding groove (8), the outer wall of the second sliding groove (8) is provided with a welding cover plate (5), and the outer wall of the aluminum strip (1) is provided with a welding hole (9).
4. The disc-shaped, hidden-spot-welding, aluminum-to-nickel tab for battery assembly of claim 3, wherein: The inner wall of the second sliding groove (8) is provided with an L-shaped mounting table (51), the second sliding groove (8) and the L-shaped mounting table (51) are slidably connected, and the outer wall of the L-shaped mounting table (51) is provided with a positioning pipe (52), and the welding hole (9) penetrates the positioning pipe (52).
5. The disc-shaped, hidden-spot-welding, aluminum-to-nickel tab for battery assembly of claim 4, wherein: The L-shaped mounting table (51) is mainly prepared from modified PP material.
6. The disc-shaped, hidden-spot-welding, aluminum-to-nickel tab for battery assembly of claim 1, wherein: The upper limiting frame (33) and the lower limiting frame (35) are slidably connected.