CN218734388U

CN218734388U - Mobile phone battery and mainboard connecting structure

Info

Publication number: CN218734388U
Application number: CN202222656034.9U
Authority: CN
Inventors: 程文甫
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-03-24
Anticipated expiration: 2032-10-10

Abstract

The utility model discloses a mobile phone battery and mainboard connection structure, including the flexible circuit board, one side position department of flexible circuit board is provided with mobile phone battery, and the below position department of flexible circuit board is provided with the cell-phone main part, be provided with first connecting plate on one side outer wall of flexible circuit board, the spread groove has been seted up at the top of first connecting plate, the inside bottom of spread groove is provided with the contact metal piece, the draw-in groove has been seted up at the top of first connecting plate, be provided with the connecting strip on one side outer wall of keeping away from first connecting plate on the flexible circuit board, be provided with the second connecting plate on one side outer wall of keeping away from first connecting plate on the connecting strip. This mobile phone battery and mainboard connection structure through spread groove and draw-in groove on the first connecting plate, can carry on spacingly when connecting to the battery positive and negative pole piece on the mobile phone main part to be convenient for the connection butt joint of battery positive and negative pole piece and contact metal piece, improve the convenience of operation.

Description

Mobile phone battery and mainboard connecting structure

Technical Field

The utility model relates to a mobile phone battery and mainboard connection technical field specifically are a mobile phone battery and mainboard connection structure.

Background

The mobile phone battery is an energy storage tool for providing power for the mobile phone, and consists of three parts: electric core, protection circuit and shell, what mobile phone batteries generally used is lithium cell and nickel-hydrogen battery, mobile phone batteries need when the installation with the mobile phone in the mainboard connection, current mobile phone batteries adopt the welding wire formula with mobile phone motherboard when being connected mostly, this kind of mode is because the maloperation can appear in the distance undersize between the solder joint to easily cause the mobile phone batteries short circuit, and then easily be qualified for the next round of competitions the mobile phone batteries problem of smoking, firing or even explosion.

In order to improve the connection safety of the mobile phone battery, the Chinese patent 'connection structure of a built-in battery of a mobile phone and a mainboard' (patent number: 201320884840. X) adopts an integrally formed flexible circuit board as a base body, and connects a connector and a contact metal sheet into a whole, so that the complexity of manual processing is reduced, repeated disassembly and assembly are facilitated, the processing error rate can be reduced, a plurality of adverse factors of battery core smoking, ignition and explosion caused by misoperation of personnel are effectively avoided, the service quality and the service life of the battery and the mobile phone are improved, the labor cost and the manufacturing cost are also saved, and the like.

However, in the connection structure in the above patent, because the contact metal sheet protrudes from the flexible circuit board, the positive electrode and the negative electrode on the mobile phone battery need to be soldered on the contact metal sheet, and at this time, the positive electrode and the negative electrode need to be accurately positioned on the contact metal sheet, and the positive electrode and the negative electrode need to be stably fixed, so that the operation is more complicated, soldering tin dislocation is easy to occur, and further, it is difficult to ensure stable and firm connection.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mobile phone battery and mainboard connection structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mobile phone battery and mainboard connection structure, includes the flexible circuit board, one side position department of flexible circuit board is provided with mobile phone battery, and the below position department of flexible circuit board is provided with the cell-phone main part, be provided with first connecting plate on one side outer wall of flexible circuit board, the spread groove has been seted up at the top of first connecting plate, the inside bottom of spread groove is provided with the contact metal piece, the draw-in groove has been seted up at the top of first connecting plate, be provided with the connecting strip on the outer wall of one side of keeping away from first connecting plate on the flexible circuit board, be provided with the second connecting plate on the outer wall of one side of keeping away from first connecting plate on the connecting strip, the top of second connecting plate is provided with the connector, the top of flexible circuit board is provided with filtering and voltage stabilizing circuit, be provided with battery positive and negative pole piece on one side outer wall of mobile phone battery.

Compared with the prior art, the beneficial effects of the utility model are that: this mobile phone battery and mainboard connection structure through spread groove and draw-in groove on the first connecting plate, can carry on spacingly when connecting to the positive and negative pole piece of battery on the mobile phone main part to be convenient for the connection butt joint of positive and negative pole piece of battery and contact sheet metal, improve the convenience of operation, need not manual support, also guarantee the firm of contact sheet metal and the positive and negative pole piece soldering tin of battery, avoid the stable firm of soldering tin dislocation influence connection to appear in positive and negative pole piece of battery.

Drawings

FIG. 1 is a front view of the present invention;

fig. 2 is a front view of the flexible printed circuit board of the present invention;

fig. 3 is a top view of the flexible printed circuit board of the present invention;

fig. 4 is an enlarged view of a portion a of fig. 1 according to the present invention.

In the figure: 1. a flexible circuit board; 2. a mobile phone battery; 3. a mobile phone main body; 4. a first connecting plate; 5. connecting grooves; 6. a contact metal sheet; 7. a card slot; 8. a connecting strip; 9. a second connecting plate; 10. a connector; 11. a filtering voltage stabilizing circuit; 12. positive and negative pole pieces of the battery.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a mobile phone battery and mainboard connection structure, the contact metal sheet 6 is electrically connected with the positive and negative electrode sheets 12 of the battery, the connector 10 is electrically connected with the mainboard in the mobile phone main body 3, which is convenient for the transmission of electric energy, thereby the mobile phone battery 2 supplies power for the mainboard and electronic devices in the mobile phone main body 3.

The number of the first connecting plates 4 is two, the two first connecting plates 4 are symmetrically arranged on the outer wall of one side of the flexible circuit board 1, and the positive electrode and the negative electrode of the battery positive and negative pole pieces 12 can be supported and arranged through the two first connecting plates 4.

The top of the mobile phone main body 3 is provided with a groove matched with the mobile phone battery 2, so that the mobile phone battery 2 can be conveniently arranged in the mobile phone main body 3.

The positive and negative battery plates 12 are matched and matched with the connecting grooves 5, so that the positive and negative battery plates 12 can be embedded in the connecting grooves 5.

The positive and negative electrode plates 12 of the battery are arranged in two, and the two positive and negative electrode plates 12 of the battery are symmetrically arranged on the outer wall of one side of the mobile phone battery 2, so that the power supply is ensured to have positive and negative electrodes, and the power supply can be ensured to form a loop.

The positive and negative pole pieces 12 of the battery are electrically connected with the mobile phone battery 2 through flexibility.

The contact metal sheet 6, the connector 10 and the filtering voltage stabilizing circuit 11 are connected through copper-clad wires on the flexible circuit board 1, so that signal and power transmission is realized.

The working principle is as follows: when the mobile phone battery 2 is installed, the flexible circuit board 1 is installed inside the mobile phone battery 2, the connector 10 is connected with a mainboard in the mobile phone main body 3, the flexible circuit board 1 is installed and fixed, when the mobile phone battery 2 is installed, the mobile phone battery 2 is embedded into a groove formed in the mobile phone main body 3, the positive and negative battery plates 12 on the mobile phone battery 2 are clamped in the connecting grooves 5 on the first connecting plate 4, the positive and negative battery plates 12 are connected with the contact metal sheets 6, the positive and negative battery plates 12 and the contact metal sheets 6 are connected and fixed through soldering, and after the mobile phone battery 2 is connected with the mainboard on the mobile phone main body 3, the mobile phone battery 2 is fixed.

In summary, the following steps: this mobile phone battery and mainboard connection structure, spread groove 5 and draw-in groove 7 on through first connecting plate 4 can carry on spacingly when connecting to the positive and negative pole piece 12 of battery on the cell-phone main part 3 to be convenient for the connection butt joint of positive and negative pole piece 12 of battery and contact sheet metal 6, improve the convenience of operation, need not manual support, also guarantee the firm of contact sheet metal 6 and the soldering tin of positive and negative pole piece 12 of battery, it influences the stable firm of connection to avoid the soldering tin dislocation to appear in positive and negative pole piece 12 of battery.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 mobile phone battery and mainboard connection structure, includes flexible circuit board (1), its characterized in that: the mobile phone with the flexible circuit board comprises a flexible circuit board (1), a mobile phone battery (2) is arranged at one side position of the flexible circuit board (1), a mobile phone main body (3) is arranged at the lower position of the flexible circuit board (1), a first connecting plate (4) is arranged on the outer wall of one side of the flexible circuit board (1), a connecting groove (5) is formed in the top of the first connecting plate (4), a contact metal sheet (6) is arranged at the bottom of the inside of the connecting groove (5), a clamping groove (7) is formed in the top of the first connecting plate (4), a connecting strip (8) is arranged on the outer wall of one side, far away from the first connecting plate (4), of the flexible circuit board (1), a second connecting plate (9) is arranged on the outer wall of one side, far away from the first connecting plate (4), of the connecting strip (8), a connector (10) is arranged at the top of the second connecting plate (9), a filtering and voltage stabilizing circuit (11) is arranged at the top of the flexible circuit board (1), and positive and negative pole pieces (12) of the mobile phone battery are arranged on the outer wall of one side of the mobile phone battery (2).

2. The connection structure of the mobile phone battery and the mainboard of claim 1, wherein: the contact metal sheet (6) is electrically connected with the positive and negative electrode sheets (12) of the battery, and the connector (10) is electrically connected with the main board in the mobile phone main body (3).

3. The connection structure of the mobile phone battery and the mainboard of claim 1, wherein: the number of the first connecting plates (4) is two, and the two first connecting plates (4) are symmetrically arranged on the outer wall of one side of the flexible circuit board (1).

4. The connection structure of the mobile phone battery and the mainboard of claim 1, wherein: the top of the mobile phone main body (3) is provided with a groove matched with the mobile phone battery (2).

5. The connection structure of the mobile phone battery and the mainboard of claim 1, wherein: the positive and negative pole pieces (12) of the battery are matched and fitted with the connecting grooves (5).

6. The connection structure of the mobile phone battery and the mainboard of claim 1, wherein: the positive and negative battery pieces (12) are arranged in two, and the two positive and negative battery pieces (12) are symmetrically arranged on the outer wall of one side of the mobile phone battery (2).

7. The connection structure of the mobile phone battery and the mainboard of claim 1, wherein: the positive and negative pole pieces (12) of the battery are electrically connected with the mobile phone battery (2) through flexibility.

8. The connection structure of the mobile phone battery and the mainboard of claim 1, wherein: the contact metal sheet (6), the connector (10) and the filtering and voltage stabilizing circuit (11) are connected through copper-clad wires on the flexible circuit board (1).