Side port rechargeable battery

Abstract

The utility model relates to the technical field of rechargeable batteries, in particular to a side port rechargeable battery, which comprises a battery cell, a positive pole ejector pin, an ejector pin support, a circuit board, a USB terminal assembly arranged on the circuit board, a circuit board support, a shell and a slot arranged on the shell, and the ejector pin support, the circuit board, the circuit board support and the battery cell are sequentially inserted into the shell from top to bottom; the circuit board is electrically connected with the battery cell; the USB terminal assembly is exposed through the slot; a thimble jack is arranged on the thimble bracket, the bottom of the positive thimble penetrates through the thimble jack and is welded on the circuit board, and the thimble bracket is clamped with the circuit board bracket; compared with a structure previously applied by an applicant, the positive pole ejector pin penetrates through the ejector pin bracket and is welded with the circuit board, a positive pole cap, a positive pole piece and a positive pole conductive piece do not need to be arranged, the positive pole ejector pin is directly welded on the circuit board and is directly clamped with the ejector pin bracket through the circuit board bracket, and tedious assembly procedures are reduced; and the production cost is reduced while the production efficiency is improved.

Description

Technical Field:

[0001] The utility model relates to the technical field of rechargeable batteries, in particular to a side-port rechargeable battery. Background Art:

[0002] Existing rechargeable batteries with built-in USB charging interfaces generally consist of a housing, a battery cell, an integrated circuit protection board (PCBA), a plastic shell, a face shell, and a positive terminal. The battery cell, the integrated circuit protection board (PCBA), the plastic shell, and the face shell are sequentially sleeved on the housing. The integrated circuit protection board is inserted into the plastic shell and connected to the battery cell through a wire. The positive terminal is fixed at one end of the face shell away from the battery cell and connected to the integrated circuit protection board through a wire. The housing is connected to the integrated circuit protection board through a wire, so that the positive terminal is the output positive electrode of the battery, and the bottom cover is the output negative electrode of the battery;

[0003] The patent number of the previous application of the applicant is CN202322732944.5, and the name is a fast-assembly rechargeable battery, which discloses a battery including a housing, a positive cap, a circuit board, an insulating bracket, and a battery cell. The battery cell is connected to the circuit board through pins and pin sleeves, and the positive cap can be snap-connected to the circuit board. This solution requires snap-connecting the positive plate to the cap body and setting a positive conductive member to pass through the cap body to realize the connection between the circuit board and the positive cap. However, the connection method through the positive cap to connect the positive conductive member not only has complicated and cumbersome assembly procedures, but also may cause poor contact and affect conductivity once loosened during use, which is not convenient for use. Summary of the Invention:

[0004] The purpose of the utility model is to provide a side-port rechargeable battery aiming at the deficiencies of the existing technology, with simple assembly procedures and stable and firm structure.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is: a side-port rechargeable battery, including a battery cell, a positive top pin, a top pin bracket, a circuit board, a USB terminal assembly arranged on the circuit board, a circuit board bracket, a housing, and a slot arranged on the housing. The top pin bracket, the circuit board, the circuit board bracket, and the battery cell are sequentially inserted into the housing from top to bottom; the circuit board is electrically connected to the battery cell; the USB terminal assembly is exposed through the slot; a top pin socket is arranged on the top pin bracket, the bottom of the positive top pin passes through the top pin socket and is welded to the circuit board, and the top pin bracket is snap-connected to the circuit board bracket.

[0006] For further improvement of the above solution, a housing installation groove is concavely arranged on the peripheral edge of the bottom side of the top pin bracket, and a convex block corresponding to the slot is arranged on one side of the housing installation groove, and the convex block is snap-connected to the top of the slot.

[0007] A further improvement to the above solution is that the battery cell is a capacitive battery cell.

[0008] A further improvement to the above solution is that the battery cell is provided with a pin, the bottom of the circuit board bracket is provided with a pin sleeve, and the pin is inserted into the pin sleeve and electrically connected to the circuit board.

[0009] A further improvement to the above solution is that it further includes an insulating board provided at the bottom of the circuit board bracket. The insulating board is provided with a pin limiting hole, and the pin passes through the pin limiting hole and is inserted into the pin sleeve.

[0010] A further improvement to the above solution is that the battery cell is a soft-pack battery cell.

[0011] A further improvement to the above solution is that the battery cell is a steel shell battery cell.

[0012] A further improvement to the above solution is that the upper end surface of the circuit board bracket is convexly provided with a lifting portion, and a USB slot is provided at a position of the lifting portion close to the USB terminal assembly.

[0013] A further improvement to the above solution is that clamping members are respectively provided on both sides of the circuit board bracket, clamping grooves are respectively provided on both sides of the circuit board, and the circuit board is clamped to the circuit board bracket through the cooperation of the clamping grooves and the clamping members.

[0014] A further improvement to the above solution is that the outer shell and the positive electrode pin are made of conductive metal materials, and the pin bracket and the circuit board bracket are both made of insulating plastic materials.

[0015] The beneficial effects of the present utility model are as follows: The present utility model includes a battery cell, a positive electrode pin, a pin bracket, a circuit board, a USB terminal assembly provided on the circuit board, a circuit board bracket, an outer shell, and a slot provided on the outer shell. The pin bracket, the circuit board, the circuit board bracket, and the battery cell are sequentially inserted into the outer shell from top to bottom; the circuit board is electrically connected to the battery cell; the USB terminal assembly is exposed through the slot; a pin socket is provided on the pin bracket, the bottom of the positive electrode pin passes through the pin socket and is welded to the circuit board, and the pin bracket is clamped to the circuit board bracket;

[0016] In the present utility model, the positive electrode thimble passes through the thimble bracket and is welded to the circuit board. The circuit board is arranged on the circuit board bracket, and the circuit board bracket is snap-connected to the thimble bracket. Compared with the structure previously applied by the applicant, there is no need to provide a positive electrode cap, a positive electrode sheet, and a positive electrode conductive member. The positive electrode thimble is directly welded to the circuit board and the circuit board bracket is directly snap-connected to the thimble bracket, reducing the cumbersome assembly process, improving production efficiency while reducing production costs; the slot on the outer shell and the USB terminal assembly form a USB charging interface, eliminating the need to weld an additional USB interface, reducing costs and the assembly process; at the same time, the positive electrode thimble is welded to the circuit board, which can prevent the battery from shaking or colliding during use, resulting in poor contact. The structure is stable and firm, facilitating use. Brief Description of the Drawings:

[0017] Figure 1 It is a schematic structural view of the present utility model.

[0018] Figure 2 It is an exploded structural view of the present utility model.

[0019] Figure 3 It is a sectional view of the present utility model.

[0020] Figure 4 It is a schematic structural view of the thimble bracket of the present utility model.

[0021] Description of the Reference Numerals: battery cell 1, insertion pin 11, positive electrode thimble 2, thimble bracket 3, thimble socket 31, outer shell mounting groove 32, convex block 33, circuit board 4, snap groove 41, USB terminal assembly 42, circuit board bracket 5, needle sleeve 51, lifting portion 52, USB slot 521, snap member 53, outer shell 6, slot 61, insulating board 7, insertion pin limiting hole 71. Detailed Description of the Embodiment:

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0023] Embodiment 1:

[0024] As Figures 1-4As shown in the figure, the utility model provides a side-port charging battery, which includes a battery cell 1, a positive top pin 2, a top pin bracket 3, a circuit board 4, a USB terminal assembly 42 arranged on the circuit board 4, a circuit board bracket 5, a housing 6, and a slot 61 arranged on the housing 6. The top pin bracket 3, the circuit board 4, the circuit board bracket 5, and the battery cell 1 are sequentially inserted into the housing 6 from top to bottom; the circuit board 4 is electrically connected to the battery cell 1; the USB terminal assembly 42 is exposed through the slot 61; a top pin socket 31 is arranged on the top pin bracket 3, the bottom of the positive top pin 2 passes through the top pin socket 31 and is welded to the circuit board 4, the top pin bracket 3 is clamped with the circuit board bracket 5, the positive top pin 2 passes through the top pin bracket 3 and is welded to the circuit board 4, the circuit board 4 is arranged on the circuit board bracket 5, and the circuit board bracket 5 is clamped with the top pin bracket 3. Compared with the structure previously applied by the applicant, there is no need to set a positive cap, etc. It can be directly welded to the circuit board 4 through the positive top pin 2, reducing the cumbersome assembly process, improving production efficiency and reducing production costs at the same time; at the same time, the positive top pin 2 is welded to the circuit board 4, which can prevent the battery from shaking or colliding during use and causing poor contact. The structure is stable and firm, and it is convenient to use.

[0025] In this embodiment, a housing installation groove 32 is recessed on the peripheral edge of the bottom side of the top pin bracket 3, and the top of the housing 6 can be directly inserted into the housing installation groove 32, which is convenient for installation and disassembly. At the same time, the housing 6 can be wrapped with a plastic housing 6 package, and only the bottom of the housing 6 needs to be exposed as the battery negative electrode; a convex block 33 corresponding to the slot 61 is arranged on one side of the housing installation groove 32, and the convex block 33 is clamped on the top of the slot 61. The convex block 33 and the slot 61 form a jack, so that the top of the slot 61 can be made open, saving materials. At the same time, the protruding part of the convex block 33 cooperates with the housing installation groove 32 to be able to clamp the housing 6, preventing the housing 6 from rotating or loosening, making the overall structure more firm and convenient to use.

[0026] In this embodiment, a pin 11 is arranged on the battery cell 1, a pin sleeve 51 is arranged at the bottom of the circuit board bracket 5, and the pin 11 is inserted into the pin sleeve 51 and electrically connected to the circuit board 4. The pin 11 is arranged on the battery cell 1, and the battery cell 1 is electrically connected to the circuit board 4 through the pin 11. At the same time, the pin sleeve 51 fixes the pin 11 to prevent the battery cell 1 from shifting.

[0027] In this embodiment, an insulating board 7 is further arranged at the bottom of the circuit board bracket 5. An insertion pin limit hole 71 is arranged on the insulating board 7. The insertion pin 11 passes through the insertion pin limit hole 71 and is inserted into the pin sleeve 51. The insulating board 7 prevents the insertion pin 11 from continuing to be inserted into the pin sleeve 51 excessively, resulting in damage to the pin sleeve 51 or the insertion pin 11. At the same time, the insulating board 7 is arranged to prevent the battery cell 1 from leaking electricity and damaging the structure of the circuit board 4.

[0028] In this embodiment, the battery cell 1 is a capacitive battery cell 1, which has high power, high cycle life, excellent temperature characteristics and safety performance.

[0029] In this embodiment, a pad-raising portion 52 protrudes from the upper end surface of the circuit board bracket 5. A USB slot 521 is provided at a position of the pad-raising portion 52 close to the USB terminal assembly 42. The pad-raising portion 52 raises the circuit board 4 and the USB terminal assembly 42, and a USB slot 521 is provided inside it, which cooperates with the slot 61 on the outer shell 6. An external charger can charge through the hole formed by the cooperation of the slot 61 and the USB slot 521, without the need to weld an additional charging port, reducing costs and assembly processes, and effectively improving production efficiency.

[0030] In this embodiment, clamping members 53 are respectively provided on both sides of the circuit board bracket 5, and clamping grooves 41 are respectively provided on both sides of the circuit board 4. The circuit board 4 is clamped to the circuit board bracket 5 through the cooperation of the clamping grooves 41 and the clamping members 53. The two clamping members 53 cooperate with the clamping grooves 41 to stably fasten the circuit board 4 to the circuit board bracket 5. The circuit board 4 is not prone to deviation or shaking, which affects the use, and the use is stable.

[0031] In this embodiment, the outer shell 6 and the positive top pin 2 are both made of conductive metal materials, and the top pin bracket 3 and the circuit board bracket 5 are both made of insulating plastic materials. The circuit board 4, the battery cell 1, the pin 11 and the outer shell 6 can be electrically connected through wires or conductive sheets. When in use, the outer shell 6 is equivalent to the negative electrode of the battery, protecting the inside of the battery while ensuring the conductive effect.

[0032] Embodiment 2:

[0033] The difference between this embodiment and Embodiment 1 is that in this embodiment, the battery cell 1 is a soft-pack battery cell 1, and the soft-pack battery cell 1 is electrically connected to the circuit board 4 and the outer shell 6 respectively to form a loop. The soft-pack battery cell 1 is light in weight, has a low mold opening cost, and high safety.

[0034] Embodiment 3:

[0035] The difference between this embodiment and Embodiment 1 is that in this embodiment, the battery cell 1 is a steel-shell battery cell 1, and the steel-shell battery cell 1 is electrically connected to the circuit board 4 and the outer shell 6 respectively. The shell of the steel-shell battery cell 1 is in direct contact with the outer shell 6, thus acting as the negative electrode of the battery. It has strong physical stability and can effectively prevent the oxidation of the steel shell by the positive electrode active material of the battery, improving the service life of the battery cell 1.

[0036] Of course, the above description is only a preferred embodiment of the present invention. Therefore, any equivalent changes or modifications made according to the structure, features, and principles described in the scope of the patent application of the present invention are included in the scope of the patent application of the present invention.

Claims

1. A side port rechargeable battery, characterized in that: The invention comprises a battery cell (1), a positive electrode ejector pin (2), an ejector pin bracket (3), a circuit board (4), a USB terminal assembly (42) arranged on the circuit board (4), a circuit board bracket (5), a shell (6), and a slot (61) arranged on the shell (6); the ejector pin bracket (3), the circuit board (4), the circuit board bracket (5) and the battery cell (1) are inserted into the shell (6) in sequence from top to bottom; the circuit board (4) is electrically connected to the battery cell (1); the USB terminal assembly (42) is exposed through the slot (61); an ejector pin socket (31) is arranged on the ejector pin bracket (3); the bottom of the positive electrode ejector pin (2) passes through the ejector pin socket (31) and is welded to the circuit board (4); the ejector pin bracket (3) and the circuit board bracket (5) are clamped together.

2. A side-port rechargeable battery according to claim 1, characterized in that: A shell mounting groove (32) is recessed on the peripheral edge of the bottom side of the ejector bracket (3), and a convex block (33) corresponding to the slot (61) is provided on one side of the shell mounting groove (32), and the convex block (33) is snap-connected to the top of the slot (61).

3. A side-port rechargeable battery according to claim 1, characterized in that: The battery cell (1) is a capacitive battery cell (1).

4. A side-port rechargeable battery according to claim 3, characterized in that: The battery core (1) is provided with a plug pin (11), the bottom of the circuit board bracket (5) is provided with a pin sleeve (51), and the plug pin (11) is inserted into the pin sleeve (51) and is electrically connected to the circuit board (4).

5. A side-port rechargeable battery according to claim 4, characterized in that: It also comprises an insulating plate (7) arranged at the bottom of the circuit board bracket (5), the insulating plate (7) being provided with a pin limiting hole (71), the pin (11) passing through the pin limiting hole (71) and being inserted into the pin sleeve (51).

6. A side-port rechargeable battery according to claim 1, characterized in that: The battery cell (1) is a soft-pack battery cell (1).

7. A side-port rechargeable battery according to claim 1, characterized in that: The battery core (1) is a steel shell battery core (1).

8. A side-port rechargeable battery according to claim 1, characterized in that: A padding portion (52) is convexly provided on the upper end surface of the circuit board bracket (5), and a USB slot (521) is provided at a position of the padding portion (52) close to the USB terminal assembly (42).

9. A side-port rechargeable battery according to claim 1, characterized in that: The two sides of the circuit board bracket (5) are respectively provided with clamping parts (53), and the two sides of the circuit board (4) are respectively provided with clamping grooves (41), and the circuit board (4) is clamped to the circuit board bracket (5) through the clamping grooves (41) and the clamping parts (53).

10. A side-port rechargeable battery according to claim 1, characterized in that: The housing (6) and the positive electrode ejector pin (2) are both made of conductive metal materials, and the ejector pin bracket (3) and the circuit board bracket (5) are both made of insulating plastic materials.

Images