WO2017091954A1

WO2017091954A1 - Earphone

Info

Publication number: WO2017091954A1
Application number: PCT/CN2015/096017
Authority: WO
Inventors: 臧永强; 陈石峰
Original assignee: 华为技术有限公司
Priority date: 2015-11-30
Filing date: 2015-11-30
Publication date: 2017-06-08
Also published as: CN107615776A; CN107615776B

Abstract

The invention relates to an earphone, comprising metal plugs connected to an earpiece through a first enameled wire, a spring rotating part, two conductive springs, and fasteners where the metal plug and enameled wire connect. Two conductive surfaces are fixed on the fastener. The first ends of the two conductive springs are fixed on the spring rotating part, and are also electrically connected to the enameled wire. The second ends of the two conductive springs are respectively slidably and electrically connected to one of the two conductive surfaces. The first ends of the two conductive springs are electrically connected to the metal plugs, respectively. When the spring rotating part rotates relative to the fastener, the two conductive springs respectively slide along the conductive surfaces electrically connected thereto such that the two conductive springs maintain the electrical connection between the first enameled wire and the metal plug.

Description

Earphone

Technical field

The present invention relates to the field of electronic products, and in particular to an earphone.

Background technique

Although there are many types of earphones used today, there are only two types of metal plugs and enameled wires for common earphones, one is a straight connection and the other is an L-shaped connection.

However, the metal plug and the enameled wire of the earphone are connected by a straight connection or an L-shaped earphone, which cannot satisfy various usage scenarios of the user, for example, the carrying and use of the earphone with the external terminal, and the like exist in different application scenarios. The problem of disconnection caused by the force of the headphones.

Summary of the invention

The embodiment of the invention provides an earphone, which realizes the free rotation of the metal plug and the enameled wire of the earphone by setting a rotating mechanism at the metal plug and the enameled wire connection of the earphone, and maintains the normal transmission of the earphone signal.

In a first aspect, an embodiment of the present application provides an earphone, which includes a metal plug, a first enameled wire (which may be two lines for implementing basic functions of the earphone), and an earpiece, which may also be called an “ear plug” for a user. The sound output from the external device is heard through the earphone, and the metal plug is connected to the earpiece through the first enameled wire. A rotating mechanism is disposed at the metal plug and the first enameled wire connection. The rotating mechanism comprises: a spring rotating member, two conductive elastic pieces and a fixing member, and the fixing member is provided with two conductive curved surfaces. One end of the two conductive elastic pieces is electrically connected to the first enamel wire, and the connection point is fixed on the elastic piece rotating piece, and the other ends of the two conductive elastic pieces are respectively in contact with one of two conductive curved surfaces, and the contact is slidable contact; One end of the conductive curved surface is electrically connected to the metal plug.

When the elastic piece rotating member rotates relative to the fixing member, the two conductive elastic pieces are respectively on the surface of the conductive curved surface Sliding, the normal transmission of the signal from the metal plug to the earpiece is realized.

According to the earphone provided by the embodiment of the present application, a spring rotating member, a fixing member and a conductive elastic piece are disposed at a joint of the metal plug and the first enamel wire, and a conductive curved surface is disposed on the fixing member, and one end of the conductive elastic piece is fixed on the elastic piece of the elastic piece, And connected to the first enamel wire, the other end of the conductive elastic piece is in contact with the conductive curved surface, and the rotating member can rotate around the fixing member. When the rotating member rotates relative to the fixing member, the conductive elastic piece slides on the corresponding conductive curved surface to realize the metal. Free rotation of the plug and the first enameled wire connection, and maintain the normal transmission of the headphone signal.

In conjunction with the first aspect, in a first possible implementation of the first aspect, the shape of the two conductive curved surfaces may be semi-spherical.

In combination with the first aspect and the first possible implementation of the first aspect, in the second possible implementation manner of the first aspect, the material of the fixing member is an insulating material, and the conductive curved surface can be separated to avoid signal transmission. The connection problem caused.

In combination with the first aspect, in a third possible implementation manner of the first aspect, the material of the elastic piece of the elastic piece is polyoxymethylene, which reduces the wear of the rotating piece of the elastic piece along the rotation of the fixing piece, and prolongs the service life of the rotating piece of the elastic piece.

In conjunction with the first aspect, in a fourth possible implementation manner of the first aspect, the earphone may further include a second enameled wire, the second enameled wire may be a multifunctional circuit for implementing the earphone, and the second enameled wire may be fixed by being disposed. The threading hole on the piece is electrically connected to the metal plug. Wherein, the threading hole can be set as any curved hole or straight hole, and only the second enamel wire can be electrically connected to the metal plug through the threading hole. The second enameled wire is a stretchable enameled wire, so as to ensure the normal signal transmission between the second enameled wire and the metal plug when the rotating member rotates relative to the fixing member, so as to realize the functional configuration of the earphone.

In a fifth possible implementation manner of the first aspect, the metal plug includes at least two conductors, two of the at least two conductors and the first of the two conductive curved surfaces, in combination with any of the possible implementations of the above One end is electrically connected, that is, one conductor is connected to one end of a conductive curved surface, and the second enamel wire is electrically connected to a conductor other than the first end electrically connected to the two conductor curved surfaces.

In combination with any of the above possible implementations, in a sixth possible implementation of the first method, the earphone further includes a pleated buffer member and an outer cover, the pleated buffer member is coupled to the metal plug and the outer cover, and the outer wrapped elastic piece is rotated. The pleated cushioning member wraps the fixing member and leaves a gap with the fixing member, the pleated cushioning member and the outer structure of the externally protected earphone, and ensures that the elastic piece rotating member can rotate relative to the fixing member.

In conjunction with the sixth possible implementation of the first aspect, in a seventh possible implementation of the first aspect, the pleat cushion and the outer cover can be formed in two colors.

In combination with the sixth possible implementation method of the first aspect or the seventh possible implementation manner of the first aspect, in the eighth possible implementation manner of the first aspect, the pleated buffer member is made of silica gel for the earphone Free rotation relative to the external terminal.

DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the present invention, Those skilled in the art can also obtain other drawings based on these drawings without paying any creative work.

FIG. 1 is a schematic structural diagram of an earphone according to an embodiment of the present application.

FIG. 2 is a schematic structural diagram of an earphone according to another embodiment of the present application.

detailed description

The earphone provided by the embodiment of the present application can be used with various terminals. The terminal can be a mobile phone, a tablet computer, and the like that can output audio signals.

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts shall fall within the scope of the present invention.

For convenience of description, the technical solution of the embodiment of the present invention will be described in detail below with reference to FIG. 1 . It should be understood that this is only an example of the technical solution of the embodiments of the present invention, and is not intended to limit the embodiments of the present invention.

FIG. 1 is a schematic structural diagram of an earphone provided by an embodiment of the present application. The earphone 100 shown in FIG. 1 includes a metal plug 110, a first enameled wire 120, and an earpiece (not shown). The metal plug 110 is connected to the earpiece through the first enameled wire 120; and the metal plug 110 is connected to the first enameled wire 120. There are a rotating piece rotating member 130, two conductive elastic pieces 140, and a fixing member 150. The fixing member 150 is provided with two conductive curved surfaces 160. The first ends of the two conductive elastic pieces 140 are fixed on the elastic piece rotating piece 130, and An enameled wire 120 is electrically connected. The second ends of the two conductive elastic sheets 140 are electrically connected to one of the two conductive curved surfaces 160 in a slidable manner. The first ends of the two conductive curved surfaces 160 are respectively electrically connected to the metal plug 110. connection.

When the elastic piece rotating member 130 rotates relative to the fixing member 150, the two conductive elastic pieces 140 are respectively slid along the conductive curved surface 160 electrically connected thereto for maintaining the electrical connection between the first enamel wire 120 and the metal plug 110.

Specifically, the metal plug 110 is used to connect the earphone jack of the external terminal; the enameled wire 120 is used to realize the signal and sound conduction between the metal plug 110 and the earpiece; in the embodiment of the present application, the metal plug 110 and the enameled wire 120 are passed. The joint is provided with a fixing member 150 and a spring rotating member 130. The elastic piece rotating member 130 can be rotated relative to the fixing member 150 to realize rotation of the earphone at any angle with respect to the upper multi-dimensional space of the external terminal when the metal plug is inserted into the external terminal socket.

In the embodiment of the present application, the fixing member 150 may be a sphere. The elastic piece rotating member 130 may be sleeved on the fixing member 150 to achieve rotation of the elastic piece rotating member 130 about any angle of the multi-dimensional space of the fixing member 150.

It should be understood that, in the embodiment of the present application, in the case that the elastic piece rotating member 130 can be rotated around the fixing member 150, the connection relationship between the elastic piece rotating piece 130 and the fixing member 150 can adopt any connection manner. In the embodiment of the present application, There is no limitation on the connection relationship between the fin rotating member 130 and the fixing member 150.

In the embodiment of the present application, in order to maintain the normal transmission of the signal, the earphone 100 is further provided with two conductive elastic sheets 140 and two conductive curved surfaces 160, wherein the two conductive curved surfaces 160 are disposed on the fixing member 150. The connection point of the conductive elastic piece 140 and the first enamel wire 120 is fixed on the elastic piece rotating piece 130; the other ends of the two conductive elastic pieces 140 are in one-to-one contact with the two conductive curved surfaces 160, that is, one conductive elastic piece 140 and two When one of the conductive curved surfaces 160 is in contact with the other conductive curved surface 140, and the other conductive elastic sheet 140 is in contact with the other conductive curved surface, the conductive elastic piece 140 can slide on the surface of the conductive curved surface 160 to ensure the rotation of the elastic piece. When the member 130 rotates relative to the fixed member 150, the signal is normally transmitted, and the connection problem caused during signal transmission is avoided. Wherein, one end of the two conductive curved surfaces 160 is respectively connected to the metal plug 110.

In the embodiment of the present application, the metal plug may include at least two conductors (not shown), and two of the at least two conductors are electrically connected to the first ends of the two conductive curved surfaces, that is, A conductor is connected to a conductive curved surface to match the interface of the external terminal's headphone jack to achieve corresponding signal transmission.

Preferably, in the embodiment of the present application, the material of the conductive elastic piece 140 may be metal.

It should be understood that, in the embodiment of the present application, the conductive elastic piece 140 may also be composed of two materials of a metal material and an insulating material, and the metal layer is in contact with the conductive curved surface to realize the metal plug 110 during the rotation of the elastic piece rotating member 130 around the fixing member 150. The signal to the handset is transmitted normally. In the case of ensuring the normal transmission of the signal, in the embodiment of the present application, no limitation is imposed on this.

The earphone provided by the embodiment of the present application is provided with a rotating piece of the elastic piece, a fixing piece and a conductive elastic piece at a joint of the metal plug and the enameled wire, and a conductive curved surface is disposed on the fixing piece; one end of the conductive elastic piece is fixed on the elastic piece of the elastic piece, and The enameled wire is connected, and the other end of the conductive elastic piece is in contact with the conductive curved surface, and the elastic piece rotating member can rotate around the fixing member. When the elastic piece rotating member rotates relative to the fixing member, the conductive elastic piece slides on the corresponding conductive curved surface to realize the metal plug and Free rotation of the enameled wire connection and maintaining the normal transmission of the headphone signal.

Optionally, in another embodiment of the present application, the shape of the two conductive curved surfaces may be a semi-spherical sphere shape.

Specifically, the fixing member 150 of the earphone may be a ball fixing member, and two separate hemispherical conductive curved surfaces 160 and two conductive elastic pieces 140 are disposed on the surface of the fixing member 150. When the shrapnel rotating member rotates relative to the fixing member in a hemispherical plane perpendicular to the metal plug, the conductive elastic piece slides on the surface of the hemispherical conductive curved surface to maintain the electrical connection between the metal plug and the earpiece.

The earphone provided by the embodiment of the present application is provided with a rotating piece of the elastic piece, a fixing piece and a conductive elastic piece at a joint of the metal plug and the enameled wire, and a conductive curved surface is disposed on the fixing piece; one end of the conductive elastic piece is fixed on the elastic piece of the elastic piece, and The enameled wire is connected, the other end of the conductive elastic piece is in contact with the conductive curved surface, and the rotating member can rotate around the fixing member. When the rotating member rotates relative to the fixing member, the conductive elastic piece slides on the corresponding conductive curved surface, thereby realizing the connection of the metal plug and the enameled wire. Free rotation at the place and maintain the normal transmission of the headphone signal. At the same time, setting the conductive curved surface to a hemispherical shape can maintain the normal transmission of the earphone signal when the earphone rotates in a hemisphere perpendicular to the metal plug.

Optionally, in the embodiment of the present application, the material of the fixing member 150 may be an insulating material.

Specifically, the material of the fixing member 150 may be an insulating material such as ceramics, plastics, or glass. It is used to keep the two conductive curved surfaces 160 apart to avoid the wiring problem caused during signal transmission.

Optionally, in the embodiment of the present application, the material of the elastic piece rotating member 130 is a polyformaldehyde ("POM") thermoplastic crystalline polymer, commonly known as "Saigang", to extend the service life of the elastic piece rotating member 130. .

Preferably, in the embodiment of the present application, the earphone further includes a pleated buffer 170 and an outer sleeve 180. The pleated buffer 170 connects the metal plug 110 and the outer sleeve 180, and the outer sleeve 180 wraps the elastic rotating member 130. The pleat buffer 170 The fixing member 150 is wrapped, and a gap is left between the pleat cushioning member 170 and the fixing member 150.

In the embodiment of the present application, the pleated buffer member 170 is disposed on the outer side of the fixing member 110, and maintains a certain gap with the fixing member 110, the gap satisfies the space for placing the conductive elastic piece 140, and the elastic piece rotating member 130 is opposite to the fixing member. When the 110 is rotated, the conductive shrapnel can be electrically conductive without being blocked. Slide on the curved surface 160. One end of the pleated buffer member 170 is connected to the metal plug 110, and one end is connected to protect the fixing member 110, and the elastic piece rotating member 130 can be rotated relative to the fixing member 110. In the embodiment of the present application, the material of the pleated buffer member 170 may be silica gel.

The outer cover 180 is disposed on the outer side of the elastic piece rotating member 130, and is connected to the pleated buffer member 170 for protecting the connection between the conductive elastic piece 140 and the enameled wire 120.

In the embodiment of the present application, the material of the outer cover 180 may be polycarbonate plastic (English: polycarbonate), or other high-strength hard plastic.

Alternatively, in the embodiment of the present application, the pleat cushion 170 and the outer cover 180 may be formed in two colors.

Optionally, as another embodiment of the present application, as shown in FIG. 2, the earphone 100 may further include a second enamel wire 190, and the second enamel wire 190 is connected to the metal plug wire 110 through a threading hole provided on the fixing member 150.

Specifically, the threading hole is a hole provided in the fixing member, and the hole can be used for the earphone from the elastic piece rotating through the entire fixing member to the metal plug.

The earphone may also include an enameled wire for implementing other functions, such as an enameled wire for a voice call, which can be connected to a metal plug through a threading hole to realize a multi-function signal while rotating the earphone at any angle of the multi-dimensional space of the external terminal. Normal transmission.

Optionally, in the present embodiment, the second enamel wire is electrically connected to a conductor other than the one electrically connected to the first end of the two conductor curved surfaces.

Specifically, the enameled wire connected to the metal plug through the threading hole is respectively on the metal plug The conductors are connected one by one to match the interface of the external terminal headphone jack to realize corresponding signal transmission.

The above is only the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any equivalent modifications are conceivable within the technical scope of the present invention. These changes or substitutions are intended to be included within the scope of the invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

An earphone comprising a metal plug, a first enameled wire and an earpiece, wherein the metal plug is connected to the earpiece through the first enameled wire, wherein a spring piece is arranged at a joint of the metal plug and the first enameled wire a rotating member, two conductive elastic sheets, and a fixing member, wherein the fixing member is provided with two conductive curved surfaces, and the first ends of the two conductive elastic sheets are respectively fixed on the elastic piece rotating member, and the first enameled wire Electrically connected, the second ends of the two conductive elastic sheets are electrically connected to the two conductive curved surfaces in a slidable manner, and the first ends of the two conductive curved surfaces are respectively electrically connected to the metal plug ;

When the shrapnel rotating member rotates relative to the fixing member, the two conductive elastic sheets respectively slide along the conductive curved surface electrically connected thereto for holding between the first enamel wire and the metal plug Electrical connection.
The earphone according to claim 1, wherein the two conductive curved surfaces are all semi-spherical in shape.
The earphone according to claim 1 or 2, wherein the fixing member is made of an insulating material.
The earphone according to claim 1, wherein the material of the elastic piece of the elastic piece is polyoxymethylene.
The earphone according to claim 1, wherein said earphone further comprises a second enamel wire, said second enamel wire being electrically connected to said metal plug through a threading hole provided in said fixing member.
The earphone according to any one of claims 1 to 5, wherein the metal plug comprises at least two conductors, and two of the at least two conductors are respectively at the first of the two conductive curved surfaces The terminals are electrically connected one to one, and the second enamel wire is electrically connected to conductors other than the first ends electrically connected to the two conductor curved surfaces.
The earphone according to any one of claims 1 to 6, wherein the earphone further comprises a pleated buffer member and an outer cover, the pleated buffer member connecting the metal plug and the outer cover, The outer wrapped shrapnel rotating member wraps the fixing member with a gap between the fixing member and the fixing member.
The earphone according to claim 7, wherein said pleat cushioning member is formed in two colors with said outer cover.
The earphone according to claim 7 or 8, wherein the pleat cushioning member is made of silica gel.