CN215379196U

CN215379196U - Earphone and electronic equipment

Info

Publication number: CN215379196U
Application number: CN202120868575.0U
Authority: CN
Inventors: 敖东
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-12-31
Anticipated expiration: 2031-04-25

Abstract

The application discloses earphone and electronic equipment, earphone include casing, circuit board and connection contact, and when the circuit board set up in the casing, the partly accessible of connection contact cartridge in the elasticity centre gripping space of the electrically conductive shell fragment of welded on the circuit board of mounting hole on the casing and with electrically conductive shell fragment interference fit. Therefore, the structure of the earphone is simple, the assembly process is simplified, the assembly process cannot cause the electrical connection failure of the connecting contact, and the earphone yield can be improved.

Description

Earphone and electronic equipment

Technical Field

The application belongs to the technical field of earphones, and particularly relates to an earphone and an electronic device.

Background

In the related art, to avoid interference of ambient noise or disturbing others, more and more users tend to use earphones to play audio when electronic devices such as mobile phones are used to play audio.

In order to meet the use convenience and the endurance requirement of a user, more and more earphones are provided with built-in storage batteries, the endurance capacity is improved, and wireless charging is realized by utilizing a charging contact so as to reduce the constraint of wires. The internal space of the wireless charging earphone is usually compact and limited, and in order to save space, a metal contact and an FPC (Flexible Printed Circuit) need to be welded and bent to form an assembly, and then the assembly is plugged into the internal space of the earphone.

In the process of implementing the present application, the inventor finds that at least the following problems exist in the prior art: because the earphone assembly space is little, the process is more complicated and the in-process has the operation of bending, arouses defects such as contact and FPC rosin joint or desoldering of charging easily, leads to the earphone yield to reduce.

SUMMERY OF THE UTILITY MODEL

The application aims at providing an earphone and electronic equipment, and the problem that the earphone yield is reduced due to the fact that welding defects such as charging contacts in the earphone and FPC rosin joint or desoldering are overcome at least.

In order to solve the technical problem, the present application is implemented as follows:

in a first aspect, an embodiment of the present application provides an earphone, including: a housing, a circuit board and a connection contact;

the circuit board is welded with a conductive elastic sheet, and the conductive elastic sheet is provided with an elastic clamping space;

the circuit board is arranged in the shell;

the shell is provided with a mounting hole, and part of the connecting contact is inserted into the elastic clamping space through the mounting hole and is in interference fit with the conductive elastic sheet.

In a second aspect, an embodiment of the present application provides an electronic device, including the earphone according to the first aspect.

In an embodiment of the present application, an earphone is provided, which includes a housing, a circuit board, and a connection contact, where the connection contact is in contact with a conductive elastic sheet welded on the circuit board through a mounting hole formed on the housing. Meanwhile, when the circuit board is assembled in the shell, the part of the connecting contact is positioned in the elastic clamping space of the conductive elastic sheet and is in interference fit with the conductive elastic sheet. Therefore, the structure of the earphone is simple, the assembly process is simplified, the assembly process cannot cause the electrical connection failure of the connecting contact, and the earphone yield can be improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is an exploded view of a headset according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the embodiment of FIG. 1 in accordance with the present invention;

fig. 3 is another cross-sectional view of fig. 1 in accordance with an embodiment of the present invention.

Reference numerals:

10-shell, 11-circuit board, 12-connecting contact, 13-conductive elastic sheet, 101-mounting hole, 102-positioning column, 111-positioning hole, 121-limiting part, 122-connecting part, 123-contact part, 131-elastic clamping space, 132-welding part, 133-transition part, 134-clamping part, 1011-first mounting hole and 1012-second mounting hole.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The features of the terms first and second in the description and in the claims of the present application may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more unless otherwise specified. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

An earphone and an electronic device according to an embodiment of the present invention are described below with reference to fig. 1 to 3.

As shown in fig. 1 and 2, a headset according to some embodiments of the present invention includes: a housing 10, a circuit board 11, and connection contacts 12;

the circuit board 11 is welded with a conductive elastic sheet 13, and the conductive elastic sheet 13 is provided with an elastic clamping space 131;

the circuit board 11 is arranged in the shell 10;

the housing 10 is provided with a mounting hole 101, and a part of the connection contact 12 is inserted into the elastic clamping space 131 through the mounting hole 101 and is in interference fit with the conductive elastic sheet 13.

The housing 10 is provided with a mounting hole 101, and the connection contact 12 is inserted into the mounting hole 101 and is in interference fit with the mounting hole 101;

the circuit board 11 is connected with the housing 10, and a portion of the connection contact 12 is located in the elastic clamping space 131 and is in interference fit with the conductive elastic sheet 13.

Specifically, as shown in fig. 1 and fig. 2, the headset provided in the embodiment of the present application may be a cordless headset, which includes a housing 10, a circuit board 11, and a connection contact 12. The housing 10 may be an injection molded housing or a lightweight metal housing. The Circuit Board 11 is a carrier for connecting an electroacoustic device, a bluetooth module, an operation key, a storage battery and the like in the headset, and the Circuit Board 11 may be a Printed Circuit Board (PCB). The connection contact 12 is a conductive contact made of a metal material, and may be used as a charging contact or a communication contact, for example, the communication contact may verify whether the charging adapter is a charging adapter certified by a manufacturer through a protocol program.

Referring to fig. 2, while the circuit board 11 is soldered with devices such as a bluetooth chip and a processor, a conductive elastic sheet 13 may be soldered together, and the conductive elastic sheet 13 may be a structure with an elastic clamping space 131 formed by stamping and bending a copper sheet. When the housing 10 is manufactured, a mounting hole 101 may be formed on the end surface of the rear end of the housing away from the sound generating unit, and when the earphone is assembled, the two ends of the connection contact 12 are respectively located at the two ends of the mounting hole 101 with an opening, that is, a part of the connection contact 12 may pass through the mounting hole. After the circuit board 11 is placed in the housing 10, the circuit board 11 with the conductive elastic sheet 13 is pressed down, so that part of the connection contact 12 is embedded into the elastic clamping space 131, and the connection contact 12 and the conductive elastic sheet 13 are in interference fit under the action of the elastic force of the conductive elastic sheet 13, thereby ensuring the reliable electrical connection effect.

Therefore, the structure and the composition of the earphone are simple, the connection contact 12 and the circuit board 11 can be electrically connected through two simple processes of assembling the connection contact 12 and the shell 10 and assembling the circuit board 11 and the shell 10, and the failure risk of the connection contact 12 is reduced.

In an embodiment of the present application, an earphone is provided, where the earphone includes a housing, a circuit board, and a connection contact, and the connection contact is inserted into a mounting hole formed in the housing and is in interference fit with the mounting hole. Meanwhile, after the circuit board is connected with the shell, the part of the connecting contact is positioned in the elastic clamping space of the conductive elastic sheet welded on the circuit board and is in interference fit with the conductive elastic sheet. Therefore, the structure of the earphone is simple, the assembly process is simplified, the assembly process cannot cause the electrical connection failure of the connecting contact, and the earphone yield can be improved.

According to a further embodiment of the present invention, referring to fig. 2, a portion of the connecting contact 12 is inserted into the mounting hole 101 and is in interference fit with the mounting hole 101.

Alternatively, in an embodiment, as shown in fig. 2, during assembly, the connection contact 12 may be inserted into the mounting hole 101, and a designed dimensional tolerance is used to ensure that the connection contact 12 is in interference fit with the mounting hole 101, so as to ensure that the connection contact 12 is reliably mounted and fixed.

According to a further embodiment of the present invention, referring to fig. 3, the connection contact 12 is in the shape of a shaft, the connection contact 12 includes a position-limiting portion 121, a connection portion 122 and a contact portion 123, the position-limiting portion 121 and the contact portion 123 are located at two ends of the connection portion 122;

the limiting part 121 and the connecting part 122 are inserted into the mounting hole 101 and are in interference fit with the mounting hole 101, and the contact part 123 is located in the elastic clamping space 101 and is in interference fit with the conductive elastic sheet 13;

the limiting portion 121, the connecting portion 122 and the contact portion 123 are sequentially reduced in cross-sectional area perpendicular to the axis of the connection contact 12.

Alternatively, in one embodiment, as shown in fig. 3, the connection contact 12 in an embodiment of the present invention may be a shaft member having a length slightly longer than the wall thickness of the housing 10. The connection contact 12 may be a shaft member with a variable cross-section, which includes a position-limiting portion 121, a connecting portion 122, and a contact portion 123. The limiting portion 121 is used for limiting the axial movement of the connecting contact 12 after being connected with the housing 10, the connecting portion 122 is located in the mounting hole 101 to perform a matching connection function, and the contact portion 123 is located in the elastic clamping space 101 to achieve contact with the conductive elastic sheet 13, so as to achieve electrical connection with the circuit board 11.

Referring to the illustration of fig. 3, the cross section of the stopper portion 121 is a first cross section, the cross section of the connection portion 122 is a second cross section, and the cross section of the contact portion 123 is a third cross section in a direction perpendicular to the axis L of the connection contact 12. The cross-sectional area of the first section is greater than the cross-sectional area of the second section, which is greater than the cross-sectional area of the third section. Therefore, on the side of the mounting hole 101 facing the outside of the housing 10, the limiting portion 121 can provide a larger area, so as to prevent the mounting hole from falling off, and ensure the reliability of charging or signal transmission. The smaller cross-sectional area of the contact portion 123 on the side of the mounting hole 101 facing the inside of the housing 10 makes it smaller in volume and less space-consuming.

According to a further embodiment of the present invention, referring to fig. 3, the mounting hole 101 includes a first mounting hole 1011 and a second mounting hole 1012 penetrating therethrough;

the structural size of the first mounting hole 1011 matches with the structural size of the limiting part 121, and the structural size of the second mounting hole 1012 matches with the structural size of the connecting part 122.

Alternatively, in an embodiment, as shown in fig. 3, when the connection contact 12 is a shaft part with a variable cross-section, the mounting hole 101 may be designed as a two-step through hole including a first mounting hole 1011 and a second mounting hole 1012. It can be understood that the first mounting hole 1011 is engaged with the position-limiting portion 121, and the second mounting hole 1012 is engaged with the connecting portion 122, so that the structural dimensions such as the cross-sectional shape and the length of the first mounting hole 1011 are consistent with those of the position-limiting portion 121, and the structural dimensions such as the cross-sectional shape and the length of the second mounting hole 1012 are consistent with those of the connecting portion 122. Thus, the axial movement of the connection contact 12 can be restricted by means of the variable-section bore.

According to a further embodiment of the utility model, the connection contact 12 has a circular or polygonal cross-section perpendicular to the axis of the connection contact 12.

Alternatively, in one embodiment, when the connection contact 12 is circular in cross-section perpendicular to the axis of the connection contact 12, it will be appreciated that the mounting hole 101 is also a circular hole, and that assembly is easy without regard to a particular mounting angle and orientation during assembly.

When the connection contact 12 has a polygonal cross section perpendicular to the axis of the connection contact 12, it is understood that the mounting hole 101 is also a polygonal hole, and the connection contact 12 cannot rotate in the mounting hole 101 after the fitting process, and the rotation of the connection contact 12 about the axis can be restricted.

According to a further embodiment of the present invention, referring to fig. 2, the conductive elastic piece 13 includes a welding portion 132, two transition portions 133 and two clamping portions 134;

two transition portions 133 are vertically connected to two ends of the welding portion 132, and two clamping portions 134 are respectively connected with the two transition portions 133 in a bending manner;

the distance between the two clamping portions 134 gradually decreases from a position away from the welding portion 132 to a position close to the welding portion 132.

Alternatively, as shown in fig. 2, for the conductive elastic sheet 13, three parts, a welding part 132, two transition parts 133 and two clamping parts 134 may be formed by stamping and bending, the three parts are different parts on the integrated elastic sheet, the two transition parts 133 are vertically connected to two ends of the welding part 132, and the two clamping parts 134 are respectively connected with the two transition parts 133 in a bending manner. Thus, after the soldering portion 132 is soldered to the circuit board 11, the two clamping portions 134 form an elastic clamping space 131 in a direction away from the circuit board 11. Referring to the illustration of fig. 2, the closer to the soldering portion 132, the smaller the distance between the two clamping portions 134, and the farther from the soldering portion 132, the larger the distance between the two clamping portions 134, so that even if the connection contact 12 is easily clamped, a gradually increasing clamping force can be provided.

According to a further embodiment of the present invention, the surface of the conductive spring 13 and/or the connection contact 12 is provided with a gold plating.

Alternatively, in an embodiment, in order to improve the reliability of the electrical connection and ensure the quality of signal transmission, gold may be plated on the surface of at least one of the conductive elastic sheet 13 and the connection contact 12 to improve the conductivity.

According to a further embodiment of the present invention, the number of the connection contacts 12 is two or more, and the number of the conductive elastic pieces 13 and the number of the mounting holes 101 are the same as the number of the connection contacts 12.

Alternatively, in one embodiment, when the number of the connection contacts 12 is two, one may be used as the positive power supply electrode and the other as the negative power supply electrode, and the connection contacts 12 may be used as the charging contacts. When the number of the connection contacts 12 is plural, in addition to the basic charging function, other contacts may be used to transmit a communication signal to realize functions such as identification and authentication of the charging adapter.

According to a further embodiment of the present invention, referring to fig. 1, a positioning column 102 is disposed in the housing 10, and a positioning hole 111 is disposed on the circuit board 11;

the positioning post 102 is coaxially matched with the positioning hole 111.

Alternatively, as shown in fig. 1, in an assembly process, in order to accurately position the circuit board 11, positioning pillars 102 may be disposed in the housing 10, and positioning holes 111 are formed in the circuit board 11, so that the positioning holes 111 and the positioning pillars 102 are coaxially matched, that is, the circuit board 11 can be accurately and reliably mounted and fixed.

According to a further embodiment of the present invention, the TWS bluetooth chip is soldered on the circuit board 11.

Optionally, in an embodiment, a TWS (True Wireless Stereo) bluetooth chip may be further soldered on the circuit board 11, so that the headset has a True Wireless Stereo function, and it is understood that a specific type of the TWS bluetooth chip is not limited in the embodiment of the present invention.

The embodiment of the utility model also provides electronic equipment comprising the earphone in any one of the embodiments.

Specifically, the earphone can be used in combination with various electronic equipment hosts with game and entertainment functions, so as to form a brand new electronic equipment set. The earphone is simple in assembly, so that the cost is low, and the consumption expenditure and the purchasing pressure of a user can be reduced.

Other configurations of the headset and the electronic device according to the embodiment of the present invention, such as a mobile phone, a smart wearable device with a game function, a tablet computer, etc., are known to those skilled in the art, and will not be described in detail herein.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. An earphone, comprising: a housing, a circuit board and a connection contact;

the circuit board is arranged in the shell;

2. The headset of claim 1, wherein a portion of the connection contacts are inserted into the mounting holes and are in interference fit with the mounting holes.

3. The earphone according to claim 1, wherein the connection contact is in the shape of a shaft, the connection contact includes a stopper portion, a connection portion, and a contact portion, the stopper portion and the contact portion being located at both ends of the connection portion;

the limiting part and the connecting part are inserted into the mounting hole and are in interference fit with the mounting hole, and the contact part is located in the elastic clamping space and is in interference fit with the conductive elastic sheet;

the limiting portion, the connecting portion and the contact portion are sequentially reduced along the sectional area perpendicular to the axis of the connecting contact.

4. The headset of claim 3, wherein the mounting hole comprises a first mounting hole and a second mounting hole therethrough;

the structure size of the first mounting hole is matched with the structure size of the limiting portion, and the structure size of the second mounting hole is matched with the structure size of the connecting portion.

5. The headset of claim 3, wherein the connection contact is circular or polygonal in cross-section perpendicular to the connection contact axis.

6. The earphone according to claim 1, wherein the conductive dome comprises a welding portion, two transition portions and two clamping portions;

the two transition parts are vertically connected to two ends of the welding part, and the two clamping parts are respectively connected with the two transition parts in a bending way;

the distance between the two clamping portions gradually decreases from a position away from the welding portion to a position close to the welding portion.

7. The earphone according to claim 1, wherein the surface of the conductive dome and/or the connection contact is provided with a gold plating.

8. The earphone according to claim 1, wherein the number of the connection contacts is two or more, and the number of the conductive elastic pieces and the number of the mounting holes are the same as the number of the connection contacts.

9. The earphone according to claim 1, wherein a positioning column is arranged in the housing, and a positioning hole is formed in the circuit board;

the positioning column is coaxially matched with the positioning hole.

10. An electronic device, characterized in that it comprises a headset according to any of claims 1-9.