Adapter for a battery and battery

Abstract

The utility model discloses a kind of switching piece for battery and battery, the switching piece includes: pole post connecting section, the pole post connecting section is suitable for with the pole post of the battery Connection;Tab connecting section, the tab connecting section is connected with the pole post connecting section and is suitable for with the tab of the battery Connection;Wherein, the tab connecting section is bent to the side of the battery away from cell relative to the pole post connecting section To define tab connecting space between the tab connecting section and the pole post connecting section.According to the switching piece of the utility model, the bending space of tab is increased by bending the tab connecting section relative to the pole post connecting section, and the safety of battery is improved.

Description

Technical Field

[0001] This utility model relates to the field of battery technology, and in particular to an adapter for a battery and a battery. Background Technology

[0002] In related technologies, the cell adapter structure used in batteries occupies a lot of bending space in the core tabs, resulting in insufficient bending space for the tabs. The tabs are easily inserted into the core, causing short circuits in the core. Therefore, how to optimize the adapter structure, increase the bending space of the tabs, and improve battery safety has become an urgent problem to be solved in this field. Utility Model Content

[0003] This invention aims to at least solve one of the technical problems existing in the prior art. Therefore, one objective of this invention is to provide an adapter for batteries. According to this invention, the adapter increases the bending space of the tabs by bending the tab connecting section relative to the terminal post connecting section, thereby improving battery safety.

[0004] This utility model also proposes a battery having the above-mentioned adapter.

[0005] The adapter for a battery according to the present invention includes: a terminal connection section adapted to be connected to a terminal of the battery; and a tab connection section connected to the terminal connection section and adapted to be connected to a tab of the battery; wherein the tab connection section is bent relative to the terminal connection section toward the cell side away from the battery to define a tab connection space between the tab connection section and the terminal connection section.

[0006] The adapter for batteries according to this utility model is configured by bending the tab connecting section relative to the terminal connecting section, forming a tab connecting space between the tab connecting section and the terminal connecting section, which increases the bending space of the tab, facilitates the assembly and welding of the tab, and improves the welding yield between the tab and the adapter.

[0007] According to some embodiments of the present invention, the electrode connecting section is disposed on both sides of the electrode connecting section in the width direction and is integrally stamped with the electrode connecting section.

[0008] According to some embodiments of the present invention, the electrode connecting section includes: a body section, on which a welding surface for welding to the electrode is formed; and a platform stage, which is disposed between the body section and the electrode connecting section, and the platform stage is bent to form an electrode connecting space between the body section and the electrode connecting section.

[0009] According to some embodiments of this utility model, the height difference between the lower surface of the body segment and the lower surface of the pole connection segment is L and satisfies: 0 < L ≤ 4 mm.

[0010] According to some embodiments of the present invention, the surface of the body segment facing the tab is formed with an embossed pattern.

[0011] According to some embodiments of the present invention, a pole positioning hole extending in the thickness direction is formed on the pole connecting section.

[0012] The following is a brief description of a battery according to another embodiment of the present invention.

[0013] The battery according to this utility model includes a housing, which houses a battery cell; an insulating layer disposed between the battery cell and the housing; a top cover disposed on top of the battery cell and connected to the housing; and an adapter disposed between the top cover and the battery cell and configured as the adapter described in any of the above embodiments.

[0014] According to some embodiments of the present invention, the battery further includes a support member, which protrudes from the surface of the top cover and abuts against the battery cell.

[0015] According to some embodiments of this utility model, the support member is constructed of plastic.

[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0017] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0018] Figure 1 This is a schematic diagram of the structure of the adapter according to some embodiments of the present utility model;

[0019] Figure 2 This is a cross-sectional view of the adapter according to some embodiments of the present invention;

[0020] Figure 3 This is an assembly diagram of the adapter and electrode tab according to some embodiments of the present utility model;

[0021] Figure 4 This is a schematic diagram of the structure of a battery according to some embodiments of the present invention;

[0022] Figure 5 This is a cross-sectional view of a battery according to some embodiments of the present invention.

[0023] Figure label:

[0024] Adapter 1;

[0025] 11-pole connection section and 111-pole positioning hole;

[0026] Electrode connecting section 12, body section 121, platform section 122;

[0027] Battery 20;

[0028] Casing 201; Battery cell 202, electrode tab 2021, insulation layer 203; Top cover 204, support component 205; Detailed Implementation

[0029] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0030] In related technologies, the cell adapter structure used in batteries occupies a lot of bending space in the core tabs, resulting in insufficient bending space for the tabs. The tabs are easily inserted into the core, causing short circuits in the core. Therefore, how to optimize the adapter structure, increase the bending space of the tabs, and improve battery safety has become an urgent problem to be solved in this field.

[0031] The following is for reference. Figures 1-5 This invention describes an adapter for a battery according to an embodiment of the present invention.

[0032] The adapter 1 for battery 20 according to the present invention includes: a terminal connecting section 11, which is adapted to be connected to the terminal of battery 20; and a tab connecting section 12, which is connected to the terminal connecting section 11 and adapted to be connected to the tab 2021 of battery 20; wherein the tab connecting section 12 is bent relative to the terminal connecting section 11 toward the side away from the cell 202 of battery 20 to define a connection space for tab 2021 between the tab connecting section 12 and the terminal connecting section 11.

[0033] Specifically, according to this utility model, the adapter 1 is connected to the terminal of the battery 20 via laser welding through the terminal connection section 11, and to the terminal 2021 via ultrasonic welding through the tab connection section 12, thereby realizing the electrical connection between the battery cell 202 and the external circuit. The tab connection section 12 is bent relative to the terminal connection section 11 towards the side opposite to the battery cell 202, thus forming a tab 2021 connection space between the tab connection section 12 and the terminal connection section 11. The bending process creates a stepped space between the tab connection section 12 and the terminal connection section 11, allowing the tab 2021 greater flexibility and freedom when connecting to the tab connection section 12. This provides more bending space for the tab 2021, facilitating the bonding and welding of the tab 2021 to the tab connection section 12. This simplifies the assembly of the tab 2021, improves the welding yield between the tab 2021 and the adapter 1, and prevents the tab 2021 from being inserted into the cell 202 during assembly, thus preventing a short circuit in the cell 202 and improving the safety of the battery 20.

[0034] According to the present invention, the adapter 1 for battery 20 is configured by bending the tab connecting section 12 relative to the terminal connecting section 11, forming a tab 2021 connection space between the tab connecting section 12 and the terminal connecting section 11, which increases the bending space of the tab 2021, facilitates the assembly and welding of the tab 2021, and improves the welding yield between the tab 2021 and the adapter 1.

[0035] According to some embodiments of the present invention, the tab connecting section 12 is disposed on both sides of the pole connecting section 11 in the width direction and is integrally stamped with the pole connecting section 11.

[0036] Specifically, the tab connection section 12 is located on both sides of the terminal post connection section 11 in the width direction, which helps to provide a more uniform current distribution inside the battery 20, reduce resistance and heat accumulation, thereby improving the overall performance and efficiency of the battery 20. The tab connection section 12 and the terminal post connection section 11 are integrally stamped, which simplifies the processing steps of the adapter 1, eliminating the need for subsequent welding or bonding steps, improving the structural integrity of the adapter 1, and reducing manufacturing costs and time. Through integral stamping, the connection between the terminal post connection section 11 and the tab connection section 12 is more robust, reducing performance degradation or safety hazards caused by poor connection.

[0037] According to some embodiments of the present invention, the tab connecting section 12 includes: a body section 121, on which a welding surface is formed for welding with the tab 2021; and a platform stage 122, which is disposed between the body section 121 and the pole connecting section 11, and the platform stage 122 is bent to form a connection space for the tab 2021 between the body section 121 and the pole connecting section 11.

[0038] Specifically, the body segment 121 has a welding surface suitable for welding with the battery tab 2021, ensuring a strong and electrically conductive welding connection between the body segment 121 and the tab 2021. The platform segment 122 is located between the body segment 121 and the terminal connection segment 11. The platform segment 122 plays a transition and support role. By bending the platform segment 122, a connection space for the tab 2021 is formed between the body segment 121 and the terminal connection segment 11, thereby increasing the bending space of the tab 2021 and facilitating the welding of the tab 2021 to the tab connection segment 12.

[0039] According to some embodiments of the present invention, the height difference between the lower surface of the body segment 121 and the lower surface of the pole post connecting segment 11 is L and satisfies: 0 < L ≤ 4 mm.

[0040] Specifically, by precisely controlling the height difference between the tab connection section 12 and the terminal connection section 11, the internal space utilization of the battery 20 can be optimized, unnecessary waste can be avoided, and a tight fit between the battery 20 components can be ensured. When L is controlled within a reasonable range, the structural strength of the adapter 1 can be guaranteed, and a larger bending space can be provided for the installation of the tab 2021, which facilitates the assembly of the tab 2021 and ensures the safety of the battery 20.

[0041] According to some embodiments of the present invention, an embossed pattern is formed on the side surface of the body segment 121 facing the tab 2021.

[0042] Specifically, the pressed pattern increases the contact area between the body segment 121 and the tab 2021 and provides more welding points, which helps to form a stronger and more reliable connection during the welding process, thereby improving the conductivity and mechanical strength between the adapter 1 and the battery 20 tab 2021. The pressed pattern can also increase the friction between the body segment 121 and the tab 2021, ensuring the welding stability of the tab 2021 and the body segment 121.

[0043] According to some embodiments of the present invention, a pole positioning hole 111 extending in the thickness direction is formed on the pole connecting section 11.

[0044] Specifically, the battery 20 terminals are precisely positioned and connected to the adapter 1 through the terminal positioning holes 111, ensuring that the adapter 1 can be accurately installed on the battery 20. This avoids performance degradation or safety hazards caused by positional deviations. The presence of the terminal positioning holes 111 simplifies the assembly process of the battery 20 adapter 1, ensuring that the battery 20 can be quickly and accurately installed on the adapter 1 through the terminal positioning holes 111, thereby improving production efficiency and reducing manufacturing costs.

[0045] The battery 20 according to this utility model is briefly described below.

[0046] The battery 20 according to this utility model includes a housing 201, which houses a battery cell 202; an insulating layer 203 disposed between the battery cell 202 and the housing 201; a top cover 204 disposed on the top of the battery cell 202 and connected to the housing 201; and an adapter 1 disposed between the top cover 204 and the battery cell 202 and configured as the adapter 1 described in any of the above embodiments.

[0047] Specifically, the battery casing 201 is constructed of aluminum and provides support and protection for the internal battery cell 202, effectively preventing damage to the battery cell 202 due to external impacts or pressure. The insulating layer 203 is constructed of Mylar film and separates the battery cell 202 from the casing 201, preventing short circuits caused by contact between the battery cell 202 and the casing 201, thus ensuring the safety and reliability of the battery 20. The top cover 204 of the battery 20 can prevent the battery 20 from being subjected to external impacts or wear. The adapter 1 is constructed as described in any of the above embodiments, resulting in higher assembly efficiency of the battery 20, more stable welding of the core, and higher safety of the battery 20.

[0048] According to some embodiments of the present invention, the battery 20 further includes a support member 205, which protrudes from the surface of the top cover 204 and abuts against the cell 202.

[0049] Specifically, the support member 205 protrudes from the surface of the top cover 204 and abuts against the cell 202. When the top cover 204 and the housing 201 are assembled, the support member 205 can prevent the cell 202 from moving relative to the housing 201 and provide bending space for the tab 2021, avoiding the tab 2021 from being inserted into the cell 202 and causing a short circuit in the cell 202, thus improving the safety of the battery 20.

[0050] According to some embodiments of the present invention, the support member 205 is constructed as a plastic part.

[0051] Specifically, the rubber material is a poor conductor of electricity, thus possessing excellent insulation properties. This helps prevent safety hazards such as short circuits inside the battery 20, improving the safety and reliability of the battery 20. The plastic material is easy to process and mold, allowing for the rapid manufacture of complex-shaped support components 205 through processes such as injection molding. This reduces production costs, increases production efficiency, and makes the design of the support components 205 more flexible and diverse.

[0052] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0053] In the description of this utility model, "first feature" and "second feature" may include one or more of the features.

[0054] In the description of this utility model, "multiple" means two or more.

[0055] In the description of this utility model, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or it may include the first and second features not being in direct contact but being in contact through another feature between them.

[0056] In the description of this utility model, the terms "above", "over" and "on top" for the first feature and the second feature include the first feature being directly above or diagonally above the second feature, or simply indicate that the first feature is at a higher horizontal level than the second feature.

[0057] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0058] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An adapter for batteries, characterized in that, include: A terminal connection section (11) is adapted to be connected to the terminal of the battery; A tab connection section (12) is connected to the terminal connection section (11) and adapted to connect to the tab (2021) of the battery; wherein The tab connection section (12) is bent relative to the pole connection section (11) toward the side away from the battery cell (202) to define a tab (2021) connection space between the tab connection section (12) and the pole connection section (11).

2. The adapter for a battery according to claim 1, characterized in that, The tab connecting section (12) is disposed on both sides of the pole connecting section (11) in the width direction and is integrally stamped with the pole connecting section (11).

3. The adapter for a battery according to claim 2, characterized in that, The electrode connecting section (12) includes: Body segment (121), on which a welding surface is formed for welding with the tab (2021); A platform stage (122) is disposed between the body section (121) and the pole post connecting section (11). The platform stage (122) is bent to form a tab (2021) connection space between the body section (121) and the pole post connecting section (11).

4. The adapter for a battery according to claim 3, characterized in that, The height difference between the lower surface of the body section (121) and the lower surface of the pole connection section (11) is L and satisfies: 0 < L ≤ 4 mm.

5. The adapter for a battery according to claim 4, characterized in that, The body segment (121) has an embossed pattern formed on the side surface facing the tab (2021).

6. The adapter for a battery according to claim 3, characterized in that, A pole positioning hole (111) extending through the thickness direction is formed on the pole connection section (11).

7. A battery, characterized in that, include: A housing (201) housing a battery cell (202); An insulating layer (203) is disposed between the battery cell (202) and the housing (201); A top cover (204) is disposed on the top of the battery cell (202) and connected to the housing (201); An adapter, disposed between the top cover (204) and the battery cell (202) and configured as the adapter according to any one of claims 1-6.

8. The battery according to claim 7, characterized in that, It also includes a support member (205) that protrudes from the surface of the top cover (204) and abuts against the battery cell (202).

9. The battery according to claim 8, characterized in that, The support member (205) is made of plastic.

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