CN212783555U

CN212783555U - USB rechargeable battery with good stability

Info

Publication number: CN212783555U
Application number: CN202021377359.8U
Authority: CN
Inventors: 顾慧军
Original assignee: Dongguan Huahui New Energy Co ltd
Current assignee: Dongguan Huahui New Energy Co ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-03-23
Anticipated expiration: 2030-07-14

Abstract

The utility model relates to a USB rechargeable battery with good stability, which comprises a metal bottom shell, a lithium ion cell, a PCB plate, a USB plug and an anode cap, wherein the lithium ion cell is arranged inside the metal bottom shell, the USB plug is arranged above the metal bottom shell, the USB plug is covered by the anode cap, the anode cap is provided with a battery anode contact, the lithium ion cell is provided with a cell anode guide pin and a cell cathode guide pin which are led out in the same direction, the PCB plate is provided with an anode conducting strip and a cathode conducting strip, the inner side of the anode conducting strip is bent to form an anode slot, the inner side of the cathode conducting strip is bent to form a cathode slot, the lithium ion cell in the USB rechargeable battery with good stability of the utility model is respectively inserted into the anode slot and the cathode slot through the cell anode guide pin and the cathode guide pin to realize the electric connection of the PCB plate, the electric connection of the lithium ion cell and the PCB plate is stable and, the product qualification rate is improved, and the USB rechargeable battery can be used normally to meet the requirements.

Description

USB rechargeable battery with good stability

Technical Field

The utility model relates to a USB rechargeable battery field, concretely relates to good USB rechargeable battery of stability.

Background

The USB rechargeable battery is a novel battery which is gradually popular in the market in recent years, and is manufactured by fusing a USB plug technology and a battery charging technology, wherein a USB plug is arranged at the positive pole of the USB rechargeable battery, when charging is needed, the USB plug is directly inserted into a USB port of a desktop computer or a notebook computer to realize charging, and the positive and negative pins of a lithium ion cell in the existing USB rechargeable battery are connected with a PCB board by direct welding, and the connection mode has the defects that the connection stability of the lithium ion cell and the PCB board is directly determined by the welding quality, because the diameters of the positive and negative pins of the lithium ion cell are smaller, the size of the PCB board body is smaller, the welding is more difficult, welding defects such as insufficient welding, air holes, slag inclusion, incomplete welding and the like are easily caused, the normal connection of the lithium ion cell with the PCB board is influenced, and the USB rechargeable battery can not normally charge and discharge in serious cases, the product percent of pass is low.

SUMMERY OF THE UTILITY MODEL

There is the defect to prior art, the utility model aims to solve the technical problem that how guarantee that the positive negative pole of lithium ion cell is connected with the PCB board firmly, for this reason provide a USB rechargeable battery that stability is good, concrete technical scheme as follows:

a USB rechargeable battery with good stability comprises a metal bottom shell, a lithium ion battery cell and a PCB, USB plug and anodal block, metal drain pan internally mounted lithium ion battery cell, metal drain pan top installation USB plug, anodal block lid closes the USB plug, anodal block is equipped with battery positive contact, lithium ion battery cell is equipped with the anodal guide pin of electric core and the electric core negative pole guide pin of syntropy derivation, the PCB board is equipped with anodal conducting strip and negative pole conducting strip, the inboard crooked anodal slot that forms of positive pole conducting strip, the inboard crooked negative pole slot that forms of negative pole conducting strip, lithium ion battery cell passes through electric core positive pole guide pin, electric core negative pole guide pin cartridge respectively to the anodal slot, realize the electricity among the negative pole slot and connect the PCB board, the USB plug is connected to the PCB board electricity, negative pole conducting strip avris is equipped with the negative pole shell fragment that extends to the outside, negative pole shell fragment contact metal drain pan.

As an optimal scheme of the utility model, anodal conducting strip, negative pole conducting strip pass through SMT paster technology subsides and adorn in the PCB board.

As an optimal scheme of the utility model, USB plug bottom is equipped with the installation step, and the installation step diameter is a bit bigger than the metal drain pan internal diameter, and the installation step interference is embedded in the metal drain pan.

As an optimized scheme of the utility model, anodal block internally mounted has anodal shell fragment, and the anodal contact of battery passes through anodal shell fragment electricity and connects the USB plug when anodal block lid closes the USB plug.

As an optimized scheme of the utility model, anodal block internally mounted has the magnet that adsorbs the metal drain pan.

As an optimized scheme of the utility model, the metal drain pan is the steel shell.

Has the advantages that: the utility model discloses lithium ion battery cell among the good USB rechargeable battery of stability realizes the electricity in positive slot, the negative pole slot through anodal guide pin of electricity core, electric core negative pole guide pin cartridge respectively and connects the PCB board, and both electric connection of lithium ion battery cell, PCB board are firm and simple to operate is swift, need not anxious welding quality problem, help improving the product percent of pass, guarantee that USB rechargeable battery normal use satisfies the demand.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is an exploded view of the present invention;

fig. 3 is the utility model discloses a anodal guide pin of electricity core, anodal slot of electricity core negative pole guide pin, negative pole slot matched with stereogram.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the indicated position or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

As shown in fig. 1 to 3, a USB rechargeable battery with good stability includes a metal bottom case 1, a lithium ion cell 2, a PCB board 3, a USB plug 4 and an anode cap 5, the lithium ion cell 2 is installed inside the metal bottom case 1, the USB plug 4 is installed above the metal bottom case 1, the USB plug 4 is covered by the anode cap 5, the anode cap 5 is provided with a battery anode contact 51, the lithium ion cell 2 is provided with a cell anode guide pin 21 and a cell cathode guide pin 22 which are led out in the same direction, the PCB board 3 is provided with an anode conductive sheet 6 and a cathode conductive sheet 7, the anode conductive sheet 6 is bent inside to form an anode slot 61, the aperture of the anode slot 61 is slightly smaller than the diameter of the cell anode guide pin 21, the cathode conductive sheet 7 is bent inside to form a cathode slot 71, the aperture of the cathode slot 71 is slightly smaller than the diameter of the cell cathode guide pin 22, the lithium ion cell 2 is inserted into the anode slot 61 through, The battery cell negative pole guide pin 22 is inserted into the negative pole slot 71 to realize electric connection with the PCB 3, the PCB 3 is electrically connected with the USB plug 4, the side of the negative pole conducting strip 7 is provided with a negative pole elastic sheet 72 extending outwards, the negative pole elastic sheet 72 contacts with the inner wall of the metal bottom shell 1, and the bottom of the metal bottom shell is a battery negative pole.

Specifically, anodal conducting strip 6, negative pole conducting strip 7 is adorned in PCB board 3 through SMT paster technology subsides, need not the welding, fast assembly, and be equipped with installation step 8 in USB plug 4 bottom, installation step 8 diameter is a little greater than metal drain pan 1 internal diameter, because metal drain pan 1 is thinner, when installation step 8 inserts metal drain pan 1 hole, the opening part can enlarge slightly and make things convenient for the step to get into, installation step 8 interference embedding metal drain pan 1, PCB board 3 upper end just inserts in USB plug 4 convenient follow-up charging use this moment, and the PCB board is equipped with step-down circuit, charging circuit, protection circuit, these functional circuit belong to conventional circuit and do not restitute again in current USB rechargeable battery, lithium ion battery core carries 3.7V voltage and is 1.5V's standard battery voltage through step-down circuit step-down, step-down circuit is conventional circuit and is restitute again here.

Specifically, 5 internally mounted of anodal block have anodal shell fragment, battery positive contact 51 passes through anodal shell fragment electricity and connects the USB plug when anodal block lid closes USB plug 4, but transmission electric energy, 5 internally mounted of anodal block have the magnet of absorption metal drain pan 1, but magnet makes 5 lids of anodal block more firm and pull down direct actuation metal drain pan 1 when charging, need not worry and lose, and metal drain pan 1 is the steel shell, can use for a long time.

To sum up, the utility model discloses the good USB rechargeable battery of stability passes through SMT paster technology and is equipped with anodal conducting strip 6 and negative pole conducting strip 7 at 3 upsets of PCB board, the inboard crooked anodal slot 61 that forms of anodal conducting strip 6, the inboard crooked negative pole slot 71 that forms of negative pole conducting strip 7, when being connected PCB board 3 with lithium ion cell 2, anodal guide pin 21 of electric core, electric core negative pole guide pin 22 cartridge is to anodal slot 71 respectively, negative pole slot 72, rely on the firm guide pin of friction, simple to operate is swift firm, the whole process does not have the welding and need not worry welding quality problem, good stability.

The above description is provided for the purpose of describing the present invention in more detail with reference to the preferred embodiments, and it should not be construed that the present invention is limited to these descriptions, and it will be apparent to those skilled in the art that the present invention can be implemented in many ways without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a good USB rechargeable battery of stability, includes metal drain pan, lithium ion cell, PCB board, USB plug and anodal block, metal drain pan internally mounted lithium ion cell, metal drain pan top installation USB plug, anodal block lid closes the USB plug, and anodal block is equipped with battery positive contact, its characterized in that: lithium ion cell is equipped with the anodal guide pin of electric core and the electric core negative pole guide pin of syntropy extraction, the PCB board is equipped with anodal conducting strip and negative pole conducting strip, the inboard crooked anodal slot that forms of anodal conducting strip, the inboard crooked negative pole slot that forms of negative pole conducting strip, lithium ion cell passes through the anodal guide pin of electric core, positive pole slot is inserted respectively to electric core negative pole guide pin, realize the electricity and connect the PCB board in the negative pole slot, the USB plug is connected to the PCB board electricity, negative pole conducting strip avris is equipped with the negative pole shell fragment that extends to the outside, negative pole shell fragment contact metal drain pan inner wall, the.

2. The USB rechargeable battery with good stability according to claim 1, wherein: the positive conducting plate and the negative conducting plate are attached to the PCB through an SMT (surface mount technology).

3. The USB rechargeable battery with good stability according to claim 1, wherein: the bottom of the USB plug is provided with an installation step, the diameter of the installation step is slightly larger than the inner diameter of the metal bottom shell, and the installation step is embedded into the metal bottom shell in an interference mode.

4. The USB rechargeable battery with good stability according to claim 1, wherein: the battery is characterized in that a positive elastic sheet is arranged inside the positive cover cap, and the battery positive contact is electrically connected with the USB plug through the positive elastic sheet when the positive cover cap covers the USB plug.

5. The USB rechargeable battery with good stability according to claim 1, wherein: and a magnet for adsorbing the metal bottom shell is arranged in the positive electrode cap.

6. The USB rechargeable battery with good stability according to claim 1, wherein: the metal bottom shell is made of steel.