CN217848209U

CN217848209U - Welding-free USB rechargeable battery with detachable magnetic cover

Info

Publication number: CN217848209U
Application number: CN202221766596.2U
Authority: CN
Inventors: 张英
Original assignee: Huisheng New Energy Technology Dongguan Co ltd
Current assignee: Huisheng New Energy Technology Dongguan Co ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2022-11-18
Anticipated expiration: 2032-07-11

Abstract

The utility model discloses a what magnetism lid was dismantled in area exempts from to weld USB rechargeable battery, including metal cartridge case, electric core, PCB board, USB interface shell and magnetism lid, the one end electricity of PCB board is connected with positive terminal and negative terminal, and positive negative pole pin difference cartridge of electric core one end is to the positive terminal and the negative terminal of PCB board one end, and the upper end of PCB board is provided with a plurality of pads, and the negative terminal and the metal cartridge case butt of PCB board form the electricity and are connected. The utility model discloses a this exempt from welding connector can realize rechargeable battery's exempt from to weld the installation, has avoided causing secondary damage to PCB board or electric core among the welding process, through a pair of positive negative pole connector terminal, has realized that quick insertion between electric core and the PCB board is connected and the electric conductance is expert, has realized that quick connection and electric conductance between negative pole drum metal cartridge shell and the PCB board are expert, has abandoned traditional negative pole nickel piece formula welded connection mode, has improved the packaging efficiency of battery and rechargeable battery's security greatly.

Description

Welding-free USB rechargeable battery with detachable magnetic cover

Technical Field

The utility model relates to a USB rechargeable battery field specifically is a welding-free USB rechargeable battery of magnetism lid can be dismantled in area.

Background

The rechargeable battery is a rechargeable battery with limited charging times and is matched with a charger for use. The market generally sells No. 5 and No. 7, but also has No. 1. The rechargeable battery has the advantages of economy, environmental protection, enough electric quantity and suitability for electric appliances with high power and long-term use. The voltage of the rechargeable battery is lower than that of a disposable battery of the same type, the AA battery (No. 5 charge) is 1.2 volts, and the 9V rechargeable battery is actually 8.4 volts. At present, most of traditional USB rechargeable batteries adopt a negative electrode nickel sheet type welding connection mode, secondary damage is easily caused to a PCB or a battery cell in the welding process, and the assembly efficiency of the batteries and the safety of the batteries are difficult to guarantee; meanwhile, after the magnetic cover of the rechargeable battery is inserted into the battery, the magnetic cover is easy to separate, the magnetic cover is not firmly contacted with the rechargeable battery, and the anode on the magnetic cover is easily in poor contact with the inside of the rechargeable battery, so that the battery cannot work normally.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problem existing in the prior art, and provides a welding-free USB rechargeable battery with a detachable magnetic cover.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a welding-free USB rechargeable battery of magnetic cover can be dismantled in area, includes metal cylinder shell, electric core, PCB board, USB interface shell and magnetic cover, the one end electricity of PCB board is connected with positive terminal and negative terminal, positive negative pole pin difference cartridge of electric core one end is to positive terminal and the negative terminal of PCB board one end, the upper end of PCB board is provided with a plurality of pads, the negative terminal of PCB board forms the electricity with metal cylinder shell lateral wall butt and is connected, USB interface shell including the rubber casing and with the fixed metal shielding shell of rubber casing, the fixed block of USB interface shell is at the upper end opening of metal cylinder shell, the pluggable block of magnetic cover is at the upside of USB interface shell, the magnetic cover is including rubber cover and the positive block cap that the riveting is in the same place, the edge of positive block cap is equipped with the card foot that is used for riveting with the rubber cover and with the positive connection foot of the pad electrical contact of PCB board, the rubber cover includes the drum lateral wall of upper end wall and connect the drum lateral wall of upper end wall, be provided with first limiting plate and the second limiting plate that sets up relatively with the first limiting plate, one side of second limiting plate is provided with the positive connection foot of USB interface shell, and the installation of USB interface shell is located the inside the metal cylinder shell, the installation of the first limiting plate, the installation of the metal cylinder shell, the installation of the first limiting plate is connected with the magnet.

Preferably, the positive terminal and the negative terminal include a planar welding plate, an edge of the welding plate is curled to one side to form a winding drum with a containing hole, and an edge of the negative terminal is bent to one side to form a negative contact portion.

Preferably, the upper end wall is provided with a projection for supporting the positive electrode cap.

Preferably, the metal cylinder shell is cylindrical, and an opening is formed in one end of the metal cylinder shell.

Preferably, the positive terminal and the negative terminal are soldered to a lower end side of the PCB.

Preferably, the number of pads is three.

Preferably, the second limiting plate is two.

Preferably, the upper end wall, the cylindrical side wall, the first limiting plate, the second limiting plate and the third clamping plate are integrally formed plastic components.

Preferably, the spool has a first opening and a second opening that are in communication with each other, the first opening having a diameter that is greater than a diameter of the second opening.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a welding-free connector can realize rechargeable battery's exempting from to weld the installation, has avoided causing secondary damage to PCB board or electric core in the welding process, through a pair of positive negative pole connector terminal, has realized quick plug-in connection and electric conductance between electric core and the PCB board, has realized quick connection and electric conductance between negative pole drum metal cartridge shell and the PCB board, has abandoned traditional negative pole nickel piece formula welded connection mode, has improved the packaging efficiency of battery and rechargeable battery's security greatly; the magnet is arranged on the magnetic cover, so that when the battery cell needs to be charged, the magnetic cover is taken down, and when the USB charging interface is inserted into the charging port for charging, the magnetic cover can be adsorbed on the metal cylinder shell of the battery, and the magnetic cover is prevented from being lost; after the battery is fully charged, the magnetic cover is inserted into the USB interface shell, at the moment, an anode cap of the magnetic cover is electrically connected with the bonding pad through an anode connecting pin, the anode is conducted, meanwhile, the cathode of the battery cell is electrically connected with the side wall of the metal cylinder shell through a cathode contact part, and the cathode is conducted; this magnetism lid is through setting up limiting plate and cardboard, when magnetism lid block when rechargeable battery, is difficult for breaking away from, and the positive pole of inside PCB board through pad and positive terminal cap simultaneously is connected the foot butt and is formed reliable electricity and connect.

Drawings

Fig. 1 is a schematic diagram of the explosion structure of the present invention;

fig. 2 is a schematic structural diagram of the positive terminal and the negative terminal of the present invention;

fig. 3 is one of the schematic views of the explosion structure of the magnetic cover of the present invention;

fig. 4 is a second schematic diagram of the explosion structure of the magnetic cover of the present invention;

fig. 5 is a schematic structural view of the winding drum of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a welding-free USB rechargeable battery with a detachable magnetic cover includes a metal cartridge case 1, a battery cell 2, a PCB board 3, a USB interface case 4 and a magnetic cover 5, wherein one end of the PCB board 3 is electrically connected to a positive terminal 31 and a negative terminal 32, the battery cell 2 is a capacitive battery cell, positive and negative pins of the battery cell are located at the same end of the battery cell 2, the positive and negative pins of one end of the battery cell 2 are respectively inserted into the positive terminal 31 and the negative terminal 32 of one end of the PCB board 3, so as to achieve quick insertion connection and electrical conduction between the battery cell 2 and the PCB board 3, the upper end of the PCB board 3 is provided with a plurality of pads 34, the metal cartridge case 1 is cylindrical, one end of the metal cartridge case 1 is provided with an opening, the PCB board 3 is accommodated in a cavity of the metal cartridge case 1 after being connected to the battery cell 2, the USB interface case 4 is clamped at the open end of the metal cartridge case 1 and forms a USB charging interface with the plurality of pads 34, the negative terminal 32 of the PCB board 3 is abutted against a side wall of the metal cartridge case 1 to form an electrical connection, and the USB interface case 4 includes a metal shield case 42 and a metal shield 41 fixed to the rubber case 42.

But the block that the magnetic cover 5 was inserted is in the upside of USB interface shell 4, magnetic cover 5 is including riveting together's gluey lid 52 and positive cap 51, gluey lid 52 includes upper end wall 52A and the drum lateral wall 52B who connects upper end wall 52A, be provided with first limiting plate 521 in the drum lateral wall 52B and with the relative second limiting plate 522 that sets up of first limiting plate 521, one side of second limiting plate 522 is provided with third cardboard 523, is provided with the draw-in groove of installation positive pole connection foot 511 on the third cardboard 523, when the block of magnetic cover 5 is on USB interface shell, first limiting plate 521, second limiting plate 522 are located the metal shielding shell outside of USB interface shell 4, third cardboard 523 is located the inboard of the metal shielding shell of USB interface shell 4, and first limiting plate 521 one side is connected with the installation section of thick bamboo, install magnet 520 in the installation section of thick bamboo.

In one aspect of the present embodiment, the positive terminal 31 and the negative terminal 32 include a planar soldering board 300, an edge of the soldering board 300 is curled toward one side to form a winding drum 302 with a receiving hole 301, an edge of the negative terminal 32 is bent toward one side to form a negative contact portion 321, and a positive pin and a negative pin of the battery cell 2 are respectively over-tightly fitted in the receiving holes 301 of the corresponding positive terminal 31 and the negative terminal 32 on the PCB.

In an aspect of the present embodiment, by providing the magnet 520 on the magnetic cover 5, when the electric core 2 needs to be charged, the magnetic cover 52 is removed, and when the USB charging interface is inserted into the charging interface for charging, the magnetic cover 5 can be attached to the battery metal can 1, so as to prevent the magnetic cover 5 from being lost; after the battery is fully charged, the magnetic cover 5 is inserted into the USB interface housing 4, and at this time, the positive cap 51 of the magnetic cover 5 is electrically connected to the pad 34 through the positive connection pin 511, so that the positive electrode is electrically connected, and at the same time, the negative electrode of the battery cell 2 is electrically connected to the sidewall of the metal can 1 through the negative contact portion 321, so that the negative electrode is electrically connected.

In one aspect of this embodiment, a voltage transformation chip and a power management chip are attached to the PCB 3, the PCB 3 has functions of voltage transformation and overcharge safety protection, when the battery is charged, a 5V input voltage (requiring an external converter) is converted into a 3.7V voltage between the positive electrode and the negative electrode of the battery core, and when the rechargeable battery supplies power to the outside, the 3.7V voltage of the battery core is converted into a 1.5V voltage to be output.

In one aspect of the present embodiment, the winding drum 302 has a first opening 302A and a second opening 302B that are mutually communicated, and a diameter a of the first opening 302A is larger than a diameter B of the second opening 302B, so that the inside of the winding drum 302 is slightly tapered, and thus, during an assembly process, when the positive electrode pin and the negative electrode pin of the battery cell 2 are inserted into the winding drum 302, the more tightly the insertion is, the more tightly the tight the connection between the two is, the less likely to be separated, and the electrical connection is more reliable.

The utility model discloses a theory of operation: according to the welding-free USB rechargeable battery with the detachable magnetic cover, the welding-free installation of the rechargeable battery can be realized through the welding-free connector, the secondary damage to a PCB (printed circuit board) or a battery cell in the welding process is avoided, the quick insertion connection and the electric conduction between the battery cell and the PCB are realized through a pair of positive and negative electrode connector terminals, the quick connection and the electric conduction between a negative electrode cylindrical metal cylinder shell and the PCB are realized, the traditional negative electrode nickel sheet type welding connection mode is abandoned, and the assembly efficiency of the battery and the safety of the rechargeable battery are greatly improved; by arranging the magnet 520 on the magnetic cover 5, when the battery core 2 needs to be charged, the magnetic cover 52 is taken down, and when the USB charging interface is inserted into the charging interface for charging, the magnetic cover 5 can be adsorbed on the battery metal barrel shell 1, so that the magnetic cover 5 is prevented from being lost; after the battery is fully charged, the magnetic cover 5 is inserted into the USB interface housing 4, and at this time, the positive cap 51 of the magnetic cover 5 is electrically connected to the pad 34 through the positive connection pin 511, so that the positive electrode is electrically connected, and at the same time, the negative electrode of the battery cell 2 is electrically connected to the sidewall of the metal can 1 through the negative contact portion 321, so that the negative electrode is electrically connected.

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

Claims

1. The utility model provides a welding-free USB rechargeable battery of magnetism lid can be dismantled in area, includes metal cartridge case (1), electric core (2), PCB board (3), USB interface shell (4) and magnetism lid (5), the one end electricity of PCB board (3) is connected with positive terminal (31) and negative terminal (32), positive negative pole pin of electric core (2) one end is cartridge to positive terminal (31) and negative terminal (32) of PCB board (3) one end respectively, the upper end of PCB board (3) is provided with a plurality of pads (34), negative terminal (32) and metal cartridge case (1) lateral wall butt of PCB board (3) form the electricity and are connected, and USB interface shell (4) are including gluing the shell and with the fixed metallic shield shell of gluing the shell, the fixed block of USB interface shell (4) is at the upper end opening of metal cartridge case (1), the block that can plug-in magnetism lid (5) is at the upside of USB interface shell (4), its characterized in that: magnetic cover (5) are including riveting gluey lid (52) and anodal block (51) together, the edge of anodal block (51) is equipped with and is used for blocking foot (510) with gluey lid (52) riveting and anodal connection foot (511) with pad (34) electrical contact of PCB board (3), gluey lid (52) include upper end wall (52A) and cylinder lateral wall (52B) of connecting upper end wall (52A), be provided with first limiting plate (521) and second limiting plate (522) relative setting with first limiting plate (521) in cylinder lateral wall (52B), one side of second limiting plate (522) is provided with third cardboard (523), is provided with the draw-in groove of installation anodal connection foot (511) on third cardboard (523), when magnetic cover (5) block is on USB interface shell, first limiting plate (521), second limiting plate (522) are located the metal shielding shell outside of USB interface shell (4), third cardboard (523) are located the metal shielding shell (4) of USB interface shell, and the inboard of first limiting plate (520) are connected with magnet installation barrel (521), and magnet installation barrel (521) one side is connected with.

2. The welding-free USB rechargeable battery with the detachable magnetic cover as claimed in claim 1, wherein: the positive terminal (31) and the negative terminal (32) comprise a planar welding plate (300), the edge of the welding plate (300) is curled towards one side to form a winding drum (302) of the accommodating hole (301), and the edge of the negative terminal (32) is bent towards one side to form a negative contact part (321).

3. The welding-free USB rechargeable battery with the detachable magnetic cover as claimed in claim 1, wherein: the upper end wall is provided with a projection (524).

4. The welding-free USB rechargeable battery with the detachable magnetic cover as claimed in claim 1, wherein: the metal cylinder shell (1) is cylindrical, and an opening is formed in one end of the metal cylinder shell (1).

5. The welding-free USB rechargeable battery with the detachable magnetic cover as claimed in claim 1, wherein: the positive terminal (31) and the negative terminal (32) are welded to the lower end side of the PCB (3).

6. The welding-free USB rechargeable battery with the detachable magnetic cover as claimed in claim 1, wherein: the number of the pads (34) is three.

7. The welding-free USB rechargeable battery with the detachable magnetic cover as claimed in claim 1, wherein: the second limiting plate (522) comprises two pieces.

8. The welding-free USB rechargeable battery with the detachable magnetic cover as claimed in claim 1, wherein: the upper end wall (52A), the cylindrical side wall (52B), the first limiting plate (521), the second limiting plate (522) and the third clamping plate (523) are integrally formed plastic components.

9. The welding-free USB rechargeable battery with the detachable magnetic cover as claimed in claim 1, wherein: the winding drum (302) is provided with a first opening (302A) and a second opening (302B) which are mutually communicated, and the diameter of the first opening (302A) is larger than that of the second opening (302B).