Pluggable rechargeable battery

Abstract

The utility model discloses a pluggable rechargeable battery which comprises a shell, a battery core is arranged in the shell, a circuit board is arranged at the upper end of the battery core, a charging interface is arranged on the circuit board, an end cover is arranged at the upper end of the battery core, a limiting ring is fixedly connected to the lower end of the end cover, a plurality of notches are formed in the lower end of the limiting ring, and the charging interface is arranged on the circuit board. The circuit board is located in the limiting ring, the upper end of the end cover is provided with a positive electrode contact, the end cover is provided with a through hole, the charging interface penetrates through the through hole, and the end cover is provided with a semi-annular groove. According to the rechargeable battery, through the arrangement of the cover plate, the end cover, the circuit board, the battery core and the shell, the battery can be conveniently and quickly assembled, so that automatic production is realized, direct insertion type charging can be performed, the battery is more convenient to charge, and meanwhile, the positive and negative electrodes of the battery are connected in a non-welding manner; therefore, the battery can be directly plugged and unplugged for maintenance when the battery fails.

Description

Technical Field

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

[0002] Rechargeable batteries are rechargeable batteries with a limited number of recharges and are used with a charger. They are commonly sold in the market as AA and AA batteries, but AA batteries are also available. The advantages of rechargeable batteries are that they are economical, environmentally friendly, have a high capacity, and are suitable for high-power, long-lasting appliances.

[0003] After searching, the utility model patent with publication number CN217848209U discloses a solder-free USB rechargeable battery with a detachable end cap, including a metal shell, a battery cell, a PCB board, a USB interface shell and an end cap. One end of the PCB board is electrically connected to a positive terminal and a negative terminal. The positive and negative pins at one end of the battery cell are respectively inserted into the positive terminal and the negative terminal at one end of the PCB board. The upper end of the PCB board is provided with multiple solder pads. The negative terminal of the PCB board abuts against the metal shell to form an electrical connection. The utility model can realize solder-free installation of the rechargeable battery through the solder-free connector, avoiding secondary damage to the PCB board or battery cell during the soldering process. Through a pair of positive and negative connector terminals, a quick insertion connection and electrical conduction between the battery cell and the PCB board are realized, and a quick connection and electrical conduction between the negative cylindrical metal shell and the PCB board are realized. The traditional negative nickel sheet welding connection method is abandoned, greatly improving the battery assembly efficiency and the safety of the rechargeable battery.

[0004] However, in actual use of the above utility model, when charging is needed, the magnetic cover needs to be removed, and then the rechargeable battery needs to be charged using a USB cable. After charging is completed, the magnetic cover needs to be covered again to enable the battery to be used normally, which makes charging the battery each time more troublesome. Therefore, it is necessary to design a plug-in rechargeable battery to solve the above problem. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a plug-in rechargeable battery. The rechargeable battery is convenient for rapid assembly of the battery through the arrangement of a cover plate, an end cover, a circuit board, a battery core and a shell, thereby realizing automated production, and can be directly plugged in for charging, making the charging of the battery more convenient. At the same time, the positive and negative poles of the battery are connected in a non-welding form, so that the battery can be directly plugged in for maintenance when it fails.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A plug-in rechargeable battery comprises a shell, a battery core is provided in the shell, a circuit board is provided at the upper end of the battery core, a charging interface is provided on the circuit board, an end cover is provided at the upper end of the battery core, a limiting ring is fixedly connected to the lower end of the limiting ring, a plurality of notches are provided at the lower end of the limiting ring, the circuit board is located in the limiting ring, a positive contact is provided at the upper end of the end cover, a through hole is provided on the end cover, the charging interface passes through the through hole, a semi-annular groove is provided on the end cover, three insertion grooves are provided on the inner wall of the semi-annular groove, a cover plate is provided at the upper end of the end cover, a convex bump is fixedly connected to the upper end of the cover plate, the positive contact is located in the convex bump, and the cover plate is a solid D-shaped block.

[0008] Preferably, two contacts are provided at the lower end of the circuit board, two conductive rods are fixedly connected to the upper end of the battery core, and a spring is installed at the lower end of the battery core.

[0009] Preferably, the lower end of the shell is a convex bottom.

[0010] Preferably, the lower end of the cover plate is fixedly connected with two insertion blocks that cooperate with the insertion grooves, the insertion block on the right is fixedly connected with a protrusion, the insertion block on the left is provided with a convex rib, and the inner wall of the limiting ring is fixedly connected with two limiting blocks.

[0011] Preferably, a baffle is fixedly connected to the lower end of the end cover, and the baffle is arc-shaped.

[0012] Preferably, the charging interface is a type-c interface.

[0013] Compared with existing technologies, the advantages of this device are:

[0014] 1. Compared with the existing technology, the battery can be plugged in and out through the arrangement of the shell, cover, end cover, circuit board and battery core, and the positive and negative poles of the battery are not welded, which makes the plugging and unplugging of the internal components of the battery more convenient, so that the battery can be produced automatically;

[0015] 2. Compared with the existing technology, by passing the charging interface through the through-hole, the battery can be directly charged using a data cable when in use, without having to remove the end cover, so that the battery can be directly charged, which greatly improves the convenience of charging the rechargeable battery;

[0016] 3. Compared with the existing technology, the negative electrode adopts a spring structure contact form, which makes the negative electrode avoid welding and reduces the self-consumption of the battery. At the same time, when disassembling, the battery core can be pushed out a certain distance, making it easier to plug and unplug the battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1This is a structural diagram of a plug-in rechargeable battery proposed by the utility model;

[0018] Figure 2 for Figure 1 Schematic diagram of the front explosion structure;

[0019] Figure 3 Schematic diagram of the structure of the cover;

[0020] Figure 4 Schematic diagram of the structure of the end cover;

[0021] Figure 5 for Figure 4 Schematic diagram of the structure from another perspective.

[0022] In the figure: 1 shell, 2 cover, 3 convex bump, 4 charging port, 5 end cover, 6 limit ring, 7 insertion block, 8 convex block, 9 circuit board, 10 insertion slot, 11 battery core, 12 conductive rod, 13 spring, 14 through hole, 15 positive contact, 16 semi-annular groove, 17 limit block, 18 baffle. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0024] Reference Figure 1-Figure 5 , a plug-in rechargeable battery, comprising a shell 1, the inner diameter of the shell 1 is 13.5±0.05mm, the height of the shell 1 is 47.2±0.05mm, a battery core 11 is arranged in the shell 1, the upper end of the battery core 11 is provided with a circuit board 9, the circuit board 9 is provided with a charging interface 4, the charging interface 4 is a type-c interface, the upper end of the battery core 11 is provided with an end cover 5, the lower end of the end cover 5 is fixedly connected to a limiting ring 6, the lower end of the limiting ring 6 is provided with multiple notches, the circuit board 9 is located in the limiting ring 6, the upper end of the end cover 5 is provided with a positive contact 15, the end cover 5 is provided with a through hole 14, the charging interface 4 passes through the through hole 14, the end cover 5 is provided with a semi-annular groove 16, the inner wall of the semi-annular groove 16 is provided with three insertion grooves 10, the upper end of the end cover 5 is provided with a cover plate 2, the upper end of the cover plate 2 is fixedly connected with a convex bulge 3, the positive contact 15 is located in the convex bulge 3, and the cover plate 2 is a solid D-shaped block.

[0025] Among them, two contacts are provided at the lower end of the circuit board 9, two conductive rods 12 are fixedly connected to the upper end of the battery core 11, and a spring 13 is installed at the lower end of the battery core 11. The lower end of the shell 1 is a convex bottom, and the diameter of the convex bottom is 9±0.1mm. After the battery is assembled, the spring 13 is located in the convex bottom, and the conductive rod 12 is made of copper.

[0026] Among them, the lower end of the cover plate 2 is fixedly connected with two insertion blocks 7 that cooperate with the insertion groove 10, and the insertion block 7 on the right is fixedly connected with a protrusion 8, and the protrusion 8 is within 0.05-0.10mm high. The insertion block 7 on the left is provided with a convex rib, and the convex rib is within 0.05-0.10 high. The inner wall of the limit ring 6 is fixedly connected with two limit blocks 17, and the lower end of the end cover 5 is fixedly connected with a baffle 18, which is arc-shaped.

[0027] Among them, this battery can be fully charged in 45 to 60 minutes, and discharges 2814 mW / h (more than 2500), and the self-consumption power is at the micro-ampere level. At the same time, a chip is provided on the circuit board 9, which can prevent power loss.

[0028] The functional principle of the present invention can be explained through the following operation method: when assembling the battery, the cover plate 2 is covered on the end cover 5, so that the positive contact 15 is located in the convex bump 3, and after the cover plate 2 is covered on the end cover 5, the two insertion blocks 7 will pass through the corresponding insertion slots 10, and then the circuit board 9 is placed into the limiting ring 6, so that the charging interface 4 passes through the through hole 14, thereby forming the positive part of the battery, and the battery core 11 is placed into the outer shell 1, and the assembled positive part of the battery is installed on the outer shell 1, so that the end cover 5, the limiting ring 6 and the circuit board 9 enter the outer shell 1, and at the same time, the two conductive rods 12 are in contact with the two contacts at the lower end of the circuit board 9, thereby completing the assembly of the entire battery.

[0029] The above are only preferred specific implementation methods of the present invention, but the protection scope of the present invention is not limited to them. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention within the technical scope disclosed by the present invention, and they should be covered by the protection scope of the present invention.

Claims

1. A plug-in rechargeable battery, comprising a housing (1), characterized in that: A battery core (11) is provided in the housing (1), a circuit board (9) is provided at the upper end of the battery core (11), a charging interface (4) is provided on the circuit board (9), an end cover (5) is provided at the upper end of the battery core (11), a limiting ring (6) is fixedly connected to the lower end of the end cover (5), a plurality of notches are provided at the lower end of the limiting ring (6), the circuit board (9) is located in the limiting ring (6), and a positive contact (15) is provided at the upper end of the end cover (5). ), the end cover (5) is provided with a through hole (14), the charging interface (4) passes through the through hole (14), the end cover (5) is provided with a semi-annular groove (16), the inner wall of the semi-annular groove (16) is provided with three insertion grooves (10), the upper end of the end cover (5) is provided with a cover plate (2), the upper end of the cover plate (2) is fixedly connected with a convex bump (3), the positive contact (15) is located in the convex bump (3), and the cover plate (2) is a solid D-shaped block.

2. The plug-in rechargeable battery according to claim 1, characterized in that: The lower end of the circuit board (9) is provided with two contacts, the upper end of the battery core (11) is fixedly connected to two conductive rods (12), and the lower end of the battery core (11) is provided with a spring (13).

3. The plug-in rechargeable battery according to claim 1, characterized in that: The lower end of the housing (1) is a convex bottom.

4. The plug-in rechargeable battery according to claim 1, characterized in that: The lower end of the cover plate (2) is fixedly connected to two insertion blocks (7) that match the insertion grooves (10); the insertion block (7) on the right side is fixedly connected to a protrusion (8); the insertion block (7) on the left side is provided with a convex rib; and the inner wall of the limiting ring (6) is fixedly connected to two limiting blocks (17).

5. The plug-in rechargeable battery according to claim 1, characterized in that: The lower end of the end cover (5) is fixedly connected with a baffle (18), and the baffle (18) is arc-shaped.

6. The plug-in rechargeable battery according to claim 1, characterized in that: The charging interface (4) is a Type-C interface.

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