CN210629865U

CN210629865U - Wireless earphone

Info

Publication number: CN210629865U
Application number: CN201922371601.4U
Authority: CN
Inventors: 陈利梅; 何芊; 何辉; 赖少兵; 王勇; 包磊; 陈嘉宝
Original assignee: Guangzhou U&i Technology Co ltd
Current assignee: Guangzhou U&i Technology Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-05-26
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a wireless earphone, including PCB board and the contact that charges, the contact that charges includes charging portion and connecting portion, and the one end and the connecting portion of charging portion are connected, and the other end is pegged graft with outside charging seat, and connecting portion and paste the dress through SMT on the PCB board, and connecting portion and charging portion distribute in the upper and lower direction of the perpendicular, are formed with the position of dodging that is used for dodging the PCB board between connecting portion and charging portion. One end of the charging contact part is attached to the PCB through SMT (surface mount technology), the charging contact part and the PCB are fixedly connected without setting an independent PCB platelet and the charging contact part and without manual flying wires, the tedious work of the manual flying wires is reduced, the PCB platelet and the flying wires are prevented from occupying the limited space in the wireless earphone, and the reduction of the volume of the wireless earphone and the improvement of the production efficiency of the wireless earphone are facilitated. In addition, because the charging contact is attached to the PCB through SMT (surface mount technology), the charging contact does not need to be welded with the PCB through a lead, and the reject ratio caused by manual wire bonding is reduced.

Description

Wireless earphone

Technical Field

The utility model relates to an earphone technical field especially relates to a wireless earphone.

Background

The fixed mode of the copper post that charges of wireless earphone tail end of prior art mainly has two kinds, one kind is to set up an solitary PCB platelet, fixes the copper post that charges on the PCB platelet, and the manual flying wire is connected the PCB platelet and the inside main PCB board electricity of earphone again, and this kind of mode of setting exists following not enoughly: 1. the small PCB plate needs manual flying wires to be electrically connected with the main PCB plate, so that the wiring difficulty is increased; 2. because the lead and the PCB small plate need to occupy certain space, the miniaturization design of the earphone is not facilitated; 3. the copper cylinder needs to be welded with the PCB small plate and the main PCB respectively, so that the working procedures are complicated and the production efficiency of the wireless earphone is not improved; 4. during assembly, the PCB small plate needs to be fixed with the shell of the earphone through glue dripping, so that material waste is caused, and the manufacturing cost of the wireless earphone is improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at: a wireless headset is provided which is small and low cost.

The utility model discloses another aim at: provided is a wireless headset, which is high in yield.

In order to achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a wireless earphone, includes the PCB board and charges the contact, the contact that charges includes the portion of charging and connecting portion, the one end of the portion of charging with connecting portion are connected, and the other end is pegged graft with outside charging seat, connecting portion with paste the dress through SMT and be in on the PCB board, connecting portion with the portion of charging distributes on the vertical direction, down connecting portion with be formed with between the portion of charging and be used for dodging the position of dodging of PCB board.

In a preferred embodiment of the wireless headset, an end surface of the charging unit is connected to an end surface of the connecting unit, and the end surface of the charging unit abuts against one side of the PCB.

As a preferable technical solution of the wireless headset, an end surface of the charging portion connected to the connecting portion and a side surface of the connecting portion connected to the PCB are perpendicular to each other.

As a preferable technical solution of the wireless headset, one side of the connecting portion, which is away from the PCB, has an adsorption surface for selective adsorption by a suction nozzle of an SMT pick-and-place machine.

As a preferable technical solution of the wireless headset, the absorption surface is parallel to the PCB.

As a preferable technical solution of the wireless headset, the charging contact is made of one or more materials of copper, silver, aluminum, and gold.

As a preferable technical solution of the wireless headset, the surface of the charging contact is wrapped with a metal layer, and the metal layer is made of one or more materials of copper, silver, aluminum, and gold.

As a preferred technical solution of the wireless headset, the connecting portion is a rectangular parallelepiped structure;

and/or the presence of a gas in the gas,

the charging part is of a cylindrical structure.

In a preferred embodiment of the wireless headset, the charging unit is integrally formed with the connecting unit.

As a preferable technical solution of the wireless headset, the PCB board is provided with an installation display line for displaying an installation position of the connection portion.

The utility model has the advantages that: one end of the charging contact part is attached to the PCB through SMT (surface mount technology), the charging contact part and the PCB are fixedly connected without setting an independent PCB platelet and the charging contact part and without manual flying wires, the tedious work of the manual flying wires is reduced, the PCB platelet and the flying wires are prevented from occupying the limited space in the wireless earphone, and the reduction of the volume of the wireless earphone and the improvement of the production efficiency of the wireless earphone are facilitated. In addition, because the contact that charges is pasted on the PCB board through SMT (surface mount technology), need not will charge contact and PCB board welding through the wire, reduced the defective rate that produces owing to manual bonding wire, improved the qualification rate of wireless earphone, when specific production, can cooperate SMT chip mounter to paste the contact that charges automatically on the PCB board, very big degree improvement wireless earphone's production efficiency.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Fig. 1 is a schematic view of a connection structure between the charging contact and the PCB board according to the embodiment.

Fig. 2 is a schematic structural diagram of the charging contact according to the embodiment.

In the figure:

1. a PCB board; 2. a charging contact; 21. a charging section; 22. a connecting portion; 2201. an adsorption surface; 2202. and (7) pasting and mounting the surface.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1-2, the utility model provides a wireless earphone, include PCB board 1 and the contact 2 that charges, the one end of the contact 2 that charges is pasted the dress through SMT (surface mounting technology) on the PCB board 1, the other end extends to the outside of PCB board 1, the contact 2 that charges keeps away from the one end of PCB board 1 is pegged graft with outside charging seat. Specifically, the charging contact 2 includes a charging portion 21 and a connecting portion 22, one end of the charging portion 21 is connected to the connecting portion 22, the charging portion 21 is connected to the charging seat, the connecting portion 22 is attached to the PCB board 1, the connecting portion 22 is distributed vertically with the charging portion 21, and an avoiding portion for avoiding the PCB board 1 is formed between the connecting portion 22 and the charging portion 21. When specifically installing, set up PCB board 1 in dodging the position, avoid PCB board 1 protrusion in the contact 2 that charges.

Be connected with wireless headset's speaker on PCB board 1, in this embodiment, the one end that will charge touch spare 2 is passed through SMT (surface mounting technology) and is pasted the dress on PCB board 1, need not set up solitary PCB platelet and charge touch spare 2 and be connected, and do not need manual flying wire can with the touch spare 2 and the 1 fixed connection of PCB board that charge, the loaded down with trivial details work of manual flying wire has been reduced, avoid PCB platelet and flying wire to occupy the inside limited space of wireless headset, the space that holds flying wire and PCB platelet need not reserve in wireless headset's inside completely, be favorable to reducing wireless headset's volume, be favorable to improving wireless headset's production efficiency. In addition, because the contact 2 that charges is pasted on PCB board 1 through SMT (surface mount technology), need not will charge contact 2 and PCB board 1 welding through the wire, reduced the defective rate that produces because manual bonding wire, improved the qualification rate of wireless earphone, when specific production, can cooperate SMT chip mounter to paste the contact 2 that charges automatically on PCB board 1, very big degree improvement the production efficiency of wireless earphone.

Specifically, an end surface of the charging part 21 is connected to an end surface of the connection part 22, so that a stepped structure having a first step surface and a second step surface connected to the first step surface is formed between the charging part 21 and the connection part 22. In this embodiment, first step face be the portion of charging 21 with the terminal surface of connecting portion 22 laminating, second stair structure are the side of connecting portion 22 and the butt of PCB board 1 (be promptly connecting portion 22 and the subsides dress face 2202 of being connected of PCB board 1), stair structure forms the dodge position, will when the contact 2 that charges pastes the dress with PCB board 1, the terminal surface of the portion of charging 21 with one side butt of PCB board 1. When the charging contact 2 is mounted on the PCB board 1, due to the step structure, the first table-board step of the charging contact 2 can be quickly adjusted to abut against the PCB board 1, and after the charging contact 2 is connected with the PCB board 1, the first step can be utilized to position the PCB board 1, so that the PCB board 1 is prevented from shifting relative to the charging contact 2.

Preferably, an end surface of the charging portion 21 connected to the connection portion 22 and a side surface of the connection portion 22 connected to the PCB board 1 are perpendicular (i.e., the first step surface is perpendicular to the second step surface), and an end surface of the charging portion 21 connected to the connection portion 22 is parallel to a thickness direction of the PCB board 1. Of course, in another embodiment, an end surface of the charging portion 21 connected to the connection portion 22 and a side surface of the connection portion 22 connected to the PCB board 1 may be disposed at an acute angle.

In order to facilitate the automatic installation of the charging contact element 2 of the SMT chip mounter, one side of the connecting part 22, which is far away from the PCB board 1, is provided with an adsorption surface 2201 for selective adsorption of a suction nozzle of the SMT chip mounter, when the SMT chip mounter is operated specifically, the suction nozzle of the SMT chip mounter is adsorbed on the adsorption surface 2201, the charging contact element 2 is lifted, the connecting part 22 of the charging contact element 2 is attached to the PCB board 1, and then the suction nozzle is separated from the adsorption surface 2201, so that the automatic installation of the charging contact element 2 by the SMT chip mounter.

Preferably, the suction surface 2201 is parallel to the PCB board 1. Because the absorption surface 2201 is parallel to the PCB 1, an inclination angle between the absorption surface 2201 and the PCB 1 is avoided, which is convenient for determining the position of the connection portion 22 attached to the PCB 1. Of course, in an actual design, the angle between the suction surface 2201 and the PCB 1 may be flexibly set according to the actual design.

The charging contact 2 is made of one or more materials selected from copper, silver, aluminum, and gold. In the present embodiment, the charging contact 2 is made of a copper material.

Preferably, the charging contact 2 includes a contact body and a metal layer wrapped on an outer surface of the contact body, and the metal layer is made of one or more materials selected from copper, silver, aluminum, and gold. Set up the metal level on the surface of contact body, on the one hand, can improve the electric conductivity of the contact 2 that charges, on the other hand, the electric conductivity requirement to the contact 2 body is not high, when specific production, can be with contact body 2 for the relatively poor metal body of electric conductivity, then electroplate the good formation metal level of performance in the surface of contact body, guaranteed promptly to charge the whole electric conductivity of contact and reduced manufacturing cost, guaranteed the structural strength of the contact that charges again.

In this embodiment, the connection portion 22 has a rectangular parallelepiped structure, and the charging portion 21 has a cylindrical structure. Of course, in other embodiments, the connection portion 22 and the charging portion 21 may be provided in other structures, such as a prism shape, a sphere shape, a cone shape, or other irregular shapes, or the connection portion 22 and the charging portion 21 may be provided in a sheet structure.

In this embodiment, the diameter of the charging portion 21 is 1.20-1.60mm, the thickness of the connecting portion 22 is 1.40-1.80mm, and the length of the charging portion 21 is 1.20-1.40mm, in other embodiments, the sizes of the charging portion 21 and the connecting portion 22 may be set according to the requirement, and the sizes of the charging portion 21 and the connecting portion 22 are not particularly limited.

Specifically, the charging contact 2 having the configuration in which the charging unit 21 and the connecting unit 22 are integrally formed prevents the charging unit 21 from coming off the connecting unit 22, and prevents the charging unit 21 and the connecting unit 22 from being disconnected. Of course, in another embodiment, charging unit 21 and connecting unit 22 may be formed separately.

It should be noted that, the charging contact 2 is not limited to the above structure, and in other embodiments, the charging contact 2 may also be a copper sheet or a bent copper pillar, and the wireless headset attached to the PCB board 1 by SMT is within the protection scope of the present invention.

In order to quickly mount the charging contact 2 to a set position on the PCB board 1, a mounting display line for displaying a mounting position of the connecting portion 22 is provided on the PCB board 1. Specifically, the installation display line may be a contour line for displaying the connection portion 22, and by providing the installation display line on the PCB board 1, the connection portion 22 may be attached to the inside of the installation display line during specific installation, thereby preventing the charging contact 2 from being displaced from the set position of the PCB board 1. The mounting display line may be directly etched or plated on the contour line of the mounting portion of the PCB board 1, or may be formed in other manners.

In another embodiment, the PCB board 1 is provided with a mounting groove in a concave manner, the mounting groove is provided with an avoiding opening corresponding to the position of the charging portion 21, the charging portion 21 extends to the outside of the PCB board 1 through the avoiding opening by the connecting portion 22, when the connecting portion 22 is attached to the PCB board 1, the side wall of the mounting groove abuts against the connecting portion 22 to provide a supporting force for the connecting portion 22, thereby reducing the risk of displacement of the connecting portion 22 on the PCB board 1, and facilitating the installation of the connecting portion 22 due to the existence of the mounting groove.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used in an orientation or positional relationship based on what is shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. The utility model provides a wireless earphone, its characterized in that includes the PCB board and charges the contact, the contact that charges includes the portion of charging and connecting portion, the one end of the portion of charging with connecting portion are connected, and the other end is pegged graft with outside charging seat, connecting portion with paste the dress through SMT on the PCB board, connecting portion with the portion of charging distributes on the vertical direction, down connecting portion with be formed with between the portion of charging and be used for dodging the position of dodging of PCB board.

2. The wireless headset according to claim 1, wherein an end surface of the charging portion is connected to an end surface of the connecting portion, and the end surface of the charging portion abuts against one side of the PCB board.

3. The wireless headset according to claim 2, wherein an end surface of the charging part connected to the connecting part and a side surface of the connecting part connected to the PCB board are perpendicular.

4. The wireless earphone according to claim 1, wherein a side of the connecting part facing away from the PCB board is provided with a suction surface for a suction nozzle of an SMT chip mounter to selectively suck.

5. The wireless headset of claim 4, wherein the suction surface is parallel to the PCB board.

6. The wireless headset of claim 1, wherein the charging contact is made of one or more materials selected from copper, silver, aluminum, and gold.

7. The wireless headset of claim 1, wherein the charging contact comprises a contact body and a metal layer wrapped around an outer surface of the contact body, the metal layer comprising one or more of copper, silver, aluminum, and gold.

8. The wireless headset of claim 1, wherein the connecting portion has a rectangular parallelepiped configuration;

and/or the presence of a gas in the gas,

the charging part is of a cylindrical structure.

9. The wireless headset of claim 1, wherein the charging portion is integrally formed with the connecting portion.

10. The wireless headset according to any one of claims 1 to 9, wherein a mounting display line for displaying a mounting position of the connecting part is provided on the PCB board.