CN218498305U

CN218498305U - Button cell with switching component

Info

Publication number: CN218498305U
Application number: CN202222054233.2U
Authority: CN
Inventors: 王身宝
Original assignee: Guangdong Vdl New Energy Co ltd
Current assignee: Guangdong Vdl New Energy Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2023-02-17
Anticipated expiration: 2032-08-05

Abstract

The utility model provides a button cell with switching subassembly belongs to button cell technical field. The utility model discloses an electricity core body, the last plane of electricity core body is connected with first polarity nickel piece, the cylinder lateral wall of electricity core body is connected with second polarity nickel piece, first polarity nickel piece is opposite with the polarity of second polarity nickel piece, the surface of electricity core body, first polarity nickel piece and second polarity nickel piece is provided with insulating assembly. The utility model discloses a first polarity nickel piece of switching subassembly and second polarity nickel piece are changeed button cell's positive and negative pin to button cell's cylinder lateral wall, satisfy and install button cell smoothly under the limited condition in installation button cell's space.

Description

Button cell with switching component

Technical Field

The utility model belongs to the technical field of button cell, concretely relates to button cell with switching subassembly.

Background

The button cell comprises a positive electrode, a negative electrode, electrolyte and the like. The surface of the electrolyte tank is made of stainless steel materials and serves as a positive electrode, a negative electrode of the electrolyte tank is a stainless steel circular cover, a sealing ring is arranged between the positive electrode and the negative electrode and is insulated, the sealing ring is made of nylon, and the sealing ring can play an insulating role and also can prevent electrolyte from leaking.

Button cells are widely used in various miniature electronic products due to their small size. The button cell is connected with a pin on a cell shell, and the button cell used for storing power supplies of small electronic products, digital products, medical instruments and the like is usually welded on a circuit board assembly (PCBA) through the pin. At present, pins are mostly arranged on the upper plane and the lower plane of a button battery, so that the occupied space is relatively large when the button battery is welded with an electronic product. Under the condition that the space for placing the button cell in the miniature electronic product is limited, the button cell with pins arranged on the upper plane and the lower plane of the button cell cannot be installed.

Disclosure of Invention

In view of this, the utility model aims to provide a button cell with switching subassembly solves the problem that button cell can not install under the limited condition in space.

To achieve the above object, the present invention provides: including electric core body, the last plane of electric core body is connected with first polarity nickel piece, the cylinder lateral wall of electric core body is connected with second polarity nickel piece, first polarity nickel piece is opposite with the polarity of second polarity nickel piece, the surface of electric core body, first polarity nickel piece and second polarity nickel piece is provided with insulating assembly.

Preferably, the first polarity nickel sheet comprises a connecting portion A, an adapting portion B and a welding portion C, wherein the bottom surface of the connecting portion A is tightly attached to the upper plane of the battery cell body, one side of the adapting portion B is connected with the connecting portion A, the adapting portion B is perpendicular to the connecting portion A and faces the lower plane of the battery cell body to extend downwards, the welding portion C is connected with the other side of the adapting portion B, the welding portion C is perpendicular to the cylindrical side wall of the battery cell body to extend outwards, and the connecting portion A, the adapting portion B and the adapting portion C are integrally formed.

Preferably, the outer edge of the connecting portion a is connected to the upper plane of the battery cell body in a welding manner.

Preferably, the second polarity nickel sheet includes a connecting portion D and a welding portion E connected to one side of the connecting portion D, wherein the bottom surface of the connecting portion D is closely attached to the cylindrical sidewall of the battery cell body, the welding portion E is perpendicular to the connecting portion D, and the welding portion E is perpendicular to the cylindrical sidewall of the battery cell body and extends outward, and the connecting portion D and the welding portion E are integrally formed.

Preferably, the outer edge of the connecting portion D is connected to the cylindrical side wall of the battery cell body by welding.

Preferably, the interval between the welding part C and the welding part E may be arbitrarily set.

Preferably, the insulation assembly includes a first PI high-temperature adhesive, a second PI high-temperature adhesive, and a double-sided adhesive, where the first PI high-temperature adhesive is disposed on the upper plane of the battery cell body and the first polarity nickel plate, the second PI high-temperature adhesive is coated on the cylindrical sidewall of the battery cell body and the sidewall of the second polarity nickel plate, and the double-sided adhesive is disposed on the lower plane of the battery cell body.

Preferably, the second PI high-temperature adhesive is arranged between the adaptor portion B of the first polarity nickel plate and the cell body.

Preferably, the second PI high-temperature adhesive is provided with a notch, and the welding part E of the second polarity nickel sheet extends out of the notch.

Advantageous effects

The utility model provides a button cell with switching subassembly, through the cylindrical lateral wall that switching subassembly first polarity nickel piece and second polarity nickel piece switched button cell's positive and negative pin to button cell, satisfy and install button cell smoothly under the limited condition in installation button cell's space. Secondly, the outside of button cell is provided with PI high temperature glue, plays fixed effect to the second polarity nickel piece and the first polarity nickel piece of switching, prevents effectively that second polarity nickel piece and first polarity nickel piece from dropping because of the effect of external force. And the PI high-temperature adhesive has an insulating effect, effectively shields the second polarity nickel sheet and the first polarity nickel sheet, and prevents the button cell from short circuit.

Drawings

Fig. 1 is a schematic structural view of a button cell battery with an adaptor assembly according to some embodiments of the present application;

FIG. 2 is a schematic diagram of a first polar nickel plate according to some embodiments of the present application;

fig. 3 is a schematic diagram of a second polarity nickel plate according to some embodiments of the present application.

Detailed Description

In order to make the technical solutions, advantages and objects of the present invention clearer, the drawings of the embodiments of the present invention will be combined below to clearly and completely describe the technical solutions of the embodiments of the present invention. It is to be understood that the embodiments described are some, not all embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the present application.

The present invention will be further explained with reference to the drawings and examples.

As shown in fig. 1, some embodiments of the present application provide a button cell with a switching assembly, which includes a cell body 1, an upper plane of the cell body 1 is connected with a first polarity nickel plate 2, a cylindrical sidewall of the cell body is connected with a second polarity nickel plate 3, and polarities of the first polarity nickel plate 2 and the second polarity nickel plate 3 are opposite.

In some embodiments, the polarity of the first polar nickel plate 2 is negative and the polarity of the second polar nickel plate 3 is positive. In some embodiments, the polarity of the first polar nickel plate 2 is positive and the polarity of the second polar nickel plate 3 is negative.

In some embodiments, the outer surfaces of the cell body 1, the first polarity nickel plate 2 and the second polarity nickel plate 3 are provided with an insulating assembly.

Fig. 2 is a schematic block diagram of a first polarity nickel plate shown according to some embodiments of the present application. As shown in fig. 2, the first polar nickel sheet includes a connection portion a 21, an adapter portion B22, and a welding portion C23. Wherein, the bottom surface of connecting portion A21 and the last plane of electricity core body 1 closely laminate, one side of switching portion B22 with connecting portion A21 links to each other, and switching portion B22 perpendicular to connecting portion A21 just extends downwards towards the lower plane direction of electricity core body 1, and one side of switching portion B22 is connected with weld part C23, and weld part C23 perpendicular to switching portion B22, and weld part C23 perpendicular to electricity core body 1's cylinder lateral wall outwards extends.

In some embodiments, the connection portion a 21, the adapter portion B22, and the adapter portion C23 are integrally formed.

In some embodiments, the outer edge of the connection portion a 21 is connected to the upper plane of the cell body 1 by welding.

It should be noted that the connecting portion a 21 shown in fig. 2 has a T-shaped outer shape, and the T-shaped arrangement can increase the contact area between the connecting portion a 21 and the upper plane of the cell body 1, so that the connecting portion a 21 and the cell body 1 are connected more stably. In other embodiments, the outer shape of the connection portion a 21 may be square, trapezoid, or any other shape.

Fig. 3 is a schematic block diagram of a second polarity nickel plate shown in accordance with some embodiments of the present application. As shown in fig. 3, the second polarity nickel plate 3 includes a connecting portion D31 and a welding portion E32 connected to one side of the connecting portion D31, wherein the bottom surface of the connecting portion D31 is closely attached to the cylindrical sidewall of the cell body 1, the welding portion E32 is perpendicular to the connecting portion D31, and the welding portion E32 is perpendicular to the cylindrical sidewall of the cell body 1 and extends outward.

In some embodiments, the connecting portion D31 and the welding portion E32 are integrally formed.

In some embodiments, the outer edge of the connecting portion D31 is connected to the cylindrical side wall of the cell body 1 by welding.

It should be noted that the connecting portion D31 shown in fig. 3 is trapezoidal in shape, and the trapezoidal arrangement can increase the contact area between the connecting portion D31 and the cylindrical sidewall of the battery cell body 1, so that the connecting portion D31 and the battery cell body 1 are connected more stably. In other embodiments, the shape of the connecting portion D31 may be square, rectangular, or any other shape.

In some embodiments, the spacing between weld C23 and weld E32 may be arbitrarily set. In some embodiments, the pitch may be adapted to the pitch of the components of the electronic product to which the first and second polarity nickel plates 2, 3 are connected.

In the embodiment shown in fig. 2, the first polarity nickel plate is disposed above the second polarity nickel plate. In some embodiments, the first polarity nickel plate may also be disposed below the second polarity nickel plate. In some embodiments, the first and second polarity nickel plates may be disposed on the same horizontal plane as long as the first and second polarity nickel plates are staggered from side to side.

In some embodiments, as shown in fig. 1, the insulation assembly includes a first PI high temperature glue 41, a second PI high temperature glue 42, and a double-sided glue 43. First PI high temperature glue 41 is arranged on the upper plane of the battery cell body 1 and the first polarity nickel sheet 2, and the first PI high temperature glue 41 can enable the first polarity nickel sheet 2 to be better fixed with the battery cell body 1 and plays an insulating role in the button cell. The cladding of second PI high temperature glue 42 is in the cylinder lateral wall of electric core body 1 and the lateral wall of second polarity nickel piece 3, and second PI high temperature glue 42 makes second polarity nickel piece 3 and electric core body 1 better fixed together, and plays insulating effect to button cell. The double faced adhesive tape 43 is arranged on the lower plane of the cell body 1, plays an insulating role in the button cell, and is favorable for fixing the button cell in the installation process.

In some embodiments, the second PI high-temperature adhesive 42 is disposed between the adaptor portion B22 of the first polarity nickel plate 2 and the cell body 1, so as to prevent the first polarity nickel plate 2 from contacting with the cylindrical side wall of the cell body 1, which may result in a short circuit of the button cell.

In some embodiments, the second PI high temperature glue 42 is provided with a notch from which the weld E of the second polarity nickel plate 3 may protrude. The shape of the gap can be any shape and size, and the second polarity nickel sheet can be extended.

To sum up, the utility model provides a button cell with switching subassembly through switching subassembly second polarity nickel piece and first polarity nickel piece with button cell's positive and negative pin switching to button cell's cylinder lateral wall, satisfies and installs button cell smoothly under the limited condition in installation button cell's space. Secondly, the outside of button cell is provided with PI high temperature glue, plays fixed effect to the second polarity nickel piece and the first polarity nickel piece of switching, prevents effectively that second polarity nickel piece and first polarity nickel piece from dropping because of the effect of external force. And the PI high-temperature adhesive has an insulating effect, effectively shields the second polarity nickel sheet and the first polarity nickel sheet, and prevents the button cell from short circuit.

Finally, it is noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions, which should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a button cell with switching subassembly, includes electric core body (1), its characterized in that: the battery cell comprises a battery cell body (1), and is characterized in that an upper plane of the battery cell body (1) is connected with a first polarity nickel sheet (2), a cylindrical side wall of the battery cell body is connected with a second polarity nickel sheet (3), polarities of the first polarity nickel sheet (2) and the second polarity nickel sheet (3) are opposite, and the outer surfaces of the battery cell body (1), the first polarity nickel sheet (2) and the second polarity nickel sheet (3) are provided with insulating components.

2. The button cell with the adapter assembly according to claim 1, wherein: first polarity nickel piece (2) are including connecting portion A (21), switching portion B (22) and weld part C (23), wherein, the bottom surface of connecting portion A (21) with the last plane of electricity core body (1) closely laminates, one side of switching portion B (22) with connecting portion A (21) link to each other, just switching portion B (22) perpendicular to connecting portion A (21) and orientation the lower plane direction downwardly extending of electricity core body (1), weld part C (23) with the opposite side of switching portion B (22) links to each other, just weld part C (23) perpendicular to the cylinder lateral wall of electricity core body (1) outwards extends, connecting portion A (21), switching portion B (22) and switching portion C (23) integrated into one piece.

3. The button cell with the adapter assembly according to claim 2, wherein: the outer edge of the connecting part A (21) is connected with the upper plane of the battery cell body (1) in a welding mode.

4. The button cell with the adapter assembly according to claim 3, wherein: the second polarity nickel piece (3) include connecting portion D (31) and with weld part E (32) that connecting portion D (31) one side links to each other, wherein, the bottom surface of connecting portion D (31) with the cylinder lateral wall of electricity core body (1) closely laminates, weld part E (32) perpendicular to connecting portion D (31), just weld part E (32) perpendicular to the cylinder lateral wall of electricity core body (1) outwards extends, connecting portion D (31) with weld part E (32) integrated into one piece.

5. The button cell with the adapter assembly according to claim 4, wherein: the outer edge of the connecting part D (31) is connected with the cylindrical side wall of the battery cell body (1) in a welding mode.

6. The button cell with the adapter assembly according to claim 5, wherein: the interval between the welding portion C (23) and the welding portion E (32) may be arbitrarily set.

7. The button cell with the adapter assembly according to claim 6, wherein: the insulating assembly comprises a first PI high-temperature adhesive (41), a second PI high-temperature adhesive (42) and a double-sided adhesive (43), wherein the first PI high-temperature adhesive (41) is arranged on the upper plane of the battery cell body (1) and the first polarity nickel sheet (2), the second PI high-temperature adhesive (42) is coated on the cylindrical side wall of the battery cell body (1) and the side wall of the second polarity nickel sheet (3), and the double-sided adhesive (43) is arranged on the lower plane of the battery cell body (1).

8. The button cell with the adapter assembly according to claim 7, wherein: the second PI high-temperature adhesive (42) is arranged between the switching part B (22) of the first polarity nickel sheet (2) and the battery cell body (1).

9. The button cell with a switch assembly according to claim 8, wherein: the second PI high-temperature adhesive (42) is provided with a notch, and the welding part E (32) of the second polarity nickel sheet (3) extends out of the notch.