FPC (Flexible Printed Circuit) structure of earphone, tweezers assembled by FPC structure and earphone

Abstract

The utility model discloses an earphone FPC structure and assembly tweezers thereof, the earphone comprises a power supply, a horn and a controller, the FPC structure comprises a first FPC board electrically connected with the power supply and the controller, a second FPC board electrically connected with the horn, and a male seat and a female seat of a board-to-board connector; the tail part of the first FPC board comprises a first connecting plate, a male seat is fixed at the bottom of the first connecting plate, and the convex part of the male seat faces downwards; assembling holes are respectively formed in two sides of the male seat on the first connecting plate; the head part of the second FPC board comprises a second connecting plate, a female seat is fixed at the top of the second connecting plate, and a groove part of the female seat faces upwards; protrusions are arranged at the ends of the assembling tweezers and used for being inserted into the assembling holes to clamp the first connecting plate and enable the male base to be aligned with the female base and to be connected with the female base in an inserted mode. According to the utility model, a single FPC board structure is changed into a double FPC board structure, the assembly mode of partial installation and then splicing is supported, the FPC structure and the assembly tweezers suitable for rapid electrical connection of the two earphone parts are provided, and installation and maintenance are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of earphones, in particular to an FPC structure of an earphone and assembly tweezers and an earphone. Background Art

[0002] The FPC (i.e. flexible circuit board) structure of existing headphones is usually a one-stage structure such as Patent 202110802473.3 (see the attached patent specification). Figure 3 ), since the ends of the FPC need to be fixedly connected to corresponding devices, such as speakers, microphones, Hall elements, etc., the middle position needs to be connected to other circuit boards or the control line from the control box outside the earphone shell. When disassembling, the entire FPC needs to be disassembled, which is cumbersome and inconvenient to install and maintain. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide an FPC structure of an earphone and its assembly tweezers, and an earphone, change the single FPC board structure into a double FPC board structure to support an assembly method of partial installation and re-splicing, and provide an FPC structure and assembly tweezers suitable for rapid electrical connection of two earphone parts, which are convenient for installation and maintenance.

[0004] In order to solve the above technical problems, the utility model discloses, in a first aspect, an FPC structure of an earphone and an assembly tweezer thereof, wherein the earphone comprises a power supply, a speaker, and a controller for outputting a control signal of the speaker, and is characterized in that the FPC structure comprises a first FPC board electrically connected to the power supply and the controller, a second FPC board electrically connected to the speaker, and a male socket and a female socket of a board-to-board connector;

[0005] The tail of the first FPC board includes a first connecting plate, the male seat is fixed to the bottom of the first connecting plate, and the raised part of the male seat faces downward; the first connecting plate is provided with assembly holes on both sides of the male seat;

[0006] The head of the second FPC board includes a second connecting plate, the top of the second connecting plate is fixed with the female seat, and the groove portion of the female seat faces upward;

[0007] The end of the assembly tweezers is provided with a protrusion, and the protrusion is used to be inserted into the assembly hole to clamp the first connecting plate and align the male seat and plug into the female seat.

[0008] As an optional implementation, the outer diameter of the protrusion is smaller than or equal to the hole diameter of the assembly hole.

[0009] As another optional implementation, a soldering pad for soldering the bottom PIN port of the male socket is provided on the bottom of the first connecting plate.

[0010] As another optional implementation, the pads of the first connecting board are electrically connected to the power supply and the controller via the first FPC board.

[0011] As another optional implementation, a soldering pad for soldering the bottom PIN port of the female socket is provided on the top of the second connecting plate.

[0012] As another optional implementation, the pad of the second connecting board is electrically connected to the speaker via the second FPC board.

[0013] The second aspect of the utility model discloses an earphone, comprising the FPC structure as described in the first aspect of the utility model.

[0014] Compared with the prior art, the embodiments of the present invention have the following beneficial effects:

[0015] The embodiment of the utility model divides the FPC part of the earphone into two FPC boards, which is suitable for an assembly workshop in which the earphone part including the first FPC board is first assembled, and then the earphone part including the second FPC board is assembled, and finally the two FPC boards are installed and connected through a board-to-board connector to realize the electrical connection of the two earphone parts; an assembly hole 111 is provided on the connecting plate for fixing the board-to-board connector, which is convenient for clamping the male socket 31 through the protrusion on the end of the assembly tweezers to align and plug the female socket 32, so as to realize the upright up and down quick snap-fit ​​in the narrow space of the earphone head, thereby improving the installation speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 It is a structural schematic diagram of an earphone disclosed in an embodiment of the utility model;

[0018] Figure 2 It is another structural schematic diagram of an earphone disclosed in an embodiment of the utility model;

[0019] Figure 3 This is another structural schematic diagram of an earphone disclosed in an embodiment of the utility model. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Embodiment 1

[0022] See also Figure 1-2 The present utility model embodiment discloses an FPC structure of an earphone and an assembly tweezer thereof (not shown in the drawings), wherein the earphone comprises a power supply (not shown in the drawings), a speaker (not shown in the drawings), and a controller (not shown in the drawings) for outputting a control signal of the speaker, wherein the FPC structure comprises a first FPC board 1 electrically connected to the power supply and the controller, a second FPC board 2 electrically connected to the speaker, and a male socket 31 and a female socket 32 ​​of a board-to-board connector;

[0023] The tail of the first FPC board 1 includes a first connecting plate 11, the male seat 31 is fixed to the bottom of the first connecting plate 11, and the raised part of the male seat 31 faces downward; the first connecting plate 11 is provided with assembly holes 111 on both sides of the male seat 31;

[0024] The head of the second FPC board 2 includes a second connecting plate 21, the top of the second connecting plate 21 is fixed with the female seat 32, and the groove part of the female seat 32 faces upward;

[0025] A protrusion is provided at the end of the assembly tweezers, and the protrusion is used to be inserted into the assembly hole 111 to clamp the first connecting plate 11 so that the male seat 31 is aligned and plugged into the female seat 32 .

[0026] The first FPC board 1 and the second FPC board 2 of this embodiment are both arranged in the earphone head, and the speaker is arranged in the earphone head. The assembly tweezers of this embodiment are provided with a protrusion at the end of ordinary tweezers.

[0027] The FPC part of the earphone is usually designed to be very long, especially for earphones with separate power supply and earphone head, such as ear-hook earphones, bone conduction earphones, etc., which need to connect the processor, power supply and earphone speaker. The embodiment of the utility model is suitable for an assembly workshop where the earphone part including the first FPC board is assembled first, and then the earphone part including the second FPC board is assembled, and finally the two FPC boards are installed and matched through the board-to-board connector to realize the electrical connection of the two earphone parts; the connecting plate for fixing the board-to-board connector is provided with an assembly hole 111, which is convenient for assembling the male seat 31 by the protrusion on the end of the tweezers to align and plug the female seat 32, so as to realize the vertical quick buckle in the narrow space of the earphone head, thereby improving the installation speed.

[0028] Optionally, the outer diameter of the protrusion is less than or equal to the diameter of the assembly hole 111 , so that the protrusion can be inserted into the assembly hole 111 to clamp the first connecting plate 11 and align the male seat 31 and plug into the female seat 32 .

[0029] Further optionally, a soldering pad (not shown in the drawings) for soldering the bottom PIN port of the male socket 31 is provided on the bottom of the first connecting plate 11 .

[0030] Further optionally, the pads of the first connecting board 11 are electrically connected to the power supply and the controller via the first FPC board 1 .

[0031] Further optionally, a soldering pad (not shown in the drawings) for soldering the bottom PIN port of the female socket 32 ​​is provided on the top of the second connecting plate 21 .

[0032] Further optionally, the pad of the second connecting board 21 is electrically connected to the speaker via the second FPC board 2 .

[0033] Embodiment 2

[0034] The embodiment of the utility model discloses an earphone, comprising the FPC structure as described in the first embodiment.

[0035] The contents disclosed in the embodiments of the present invention only disclose the preferred embodiments of the present invention, which are only used to illustrate the technical solutions of the present invention, rather than to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it should be understood by those skilled in the art that the technical solutions described in the aforementioned embodiments can still be modified, or some of the technical features therein can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An FPC structure of an earphone and tweezers for assembling the same, the earphone comprising a power supply, a speaker, and a controller for outputting a control signal of the speaker, characterized in that: The FPC structure includes a first FPC board electrically connected to the power supply and the controller, a second FPC board electrically connected to the speaker, and a male socket and a female socket of a board-to-board connector; The tail of the first FPC board includes a first connecting plate, the male seat is fixed to the bottom of the first connecting plate, and the raised part of the male seat faces downward; the first connecting plate is provided with assembly holes on both sides of the male seat; The head of the second FPC board includes a second connecting plate, the top of the second connecting plate is fixed with the female seat, and the groove portion of the female seat faces upward; The end of the assembly tweezers is provided with a protrusion, and the protrusion is used to be inserted into the assembly hole to clamp the first connecting plate and align the male seat and plug into the female seat.

2. The FPC structure and the assembly tweezers thereof according to claim 1, characterized in that: The outer diameter of the protrusion is smaller than or equal to the hole diameter of the assembly hole.

3. The FPC structure and the assembly tweezers thereof according to claim 1, characterized in that: A welding pad for welding the bottom PIN port of the male socket is provided on the bottom of the first connecting plate.

4. The FPC structure and the assembly tweezers thereof according to claim 3, characterized in that: The pads of the first connecting board are electrically connected to the power source and the controller via the first FPC board.

5. The FPC structure and the assembly tweezers thereof according to claim 1, characterized in that: A welding pad for welding the bottom PIN port of the female socket is provided on the top of the second connecting plate.

6. The FPC structure and the assembly tweezers thereof according to claim 5, characterized in that: The pad of the second connecting board is electrically connected to the speaker via the second FPC board.

7. An earphone, comprising the FPC structure according to any one of claims 1 to 6.

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