CN212064317U - Earphone cover and earphone equipment - Google Patents

Abstract

The application discloses earphone cover and earphone equipment, the earphone cover is equipped with framework and electroacoustic component, the inboard of framework is equipped with the income ear passageway that supplies the user's ear to stretch into, it runs through to go into the ear passageway the both sides that the framework is relative, the inside of framework is equipped with and is located go into the chamber of acceping of ear passageway week side, electroacoustic component is including being fixed in accept the electroacoustic device of intracavity, the electroacoustic device can be followed accept the intracavity and outwards send out the sound signal. The user can listen to the sound of the electroacoustic device and can also listen to the external sound through the in-ear channel, and the safety is ensured.

Description

Earphone cover and earphone equipment

Technical Field

The application relates to the field of communication equipment, especially relates to an earphone cover and earphone equipment.

Background

At present, the earphone equipment is worn in an ear covering mode or an ear pressing mode so as to provide a closed listening cavity for ears and prevent sound leakage. However, the earphone device with the structure prevents external sound from being transmitted into the ear to a large extent, so that the user can not hear the external sound when wearing the earphone, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides an earphone cover, wherein, earphone cover is equipped with framework and electroacoustic component, the inboard of framework is equipped with the income ear passageway that supplies the user's ear to stretch into, it runs through to go into the ear passageway the both sides that the framework is relative, the inside of framework is equipped with and is located go into the chamber of acceping of ear passageway week side, electroacoustic component is including being fixed in accept the electroacoustic device of intracavity, the electroacoustic device can follow accept the intracavity and outwards send out the sound signal.

The embodiment of the application provides an earphone device, wherein the earphone device comprises the earphone cover.

The embodiment of the application provides earphone cover and earphone equipment, through the framework is equipped with and supplies user's ear to penetrate the income ear passageway, it runs through to go into the ear passageway the both sides that the framework is relative, electroacoustic component is including being fixed in electroacoustic device in the framework, electroacoustic device can follow accept the intracavity and outwards make sound for the user can adopt will earphone cover frame is listened to in the mode of ear week side the sound of electroacoustic device, user's ear can also warp external sound is listened to the income ear passageway, guarantees the security.

Drawings

In order to more clearly illustrate the technical solution of the application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic side view of an earphone device provided by an embodiment of the present application;

fig. 2 is a schematic front cross-sectional view of an earphone device provided by an embodiment of the present application;

fig. 3 is a schematic cross-sectional view of a headphone housing of a headphone device provided by an embodiment of the present application;

fig. 4 is a schematic cross-sectional view of a headset housing of a headset device provided in accordance with another embodiment of the present application;

fig. 5 is a schematic cross-sectional view of a headset housing of a headset device provided in accordance with another embodiment of the present application;

fig. 6 is a schematic cross-sectional view of an earphone device provided by another embodiment of the present application;

fig. 7 is a schematic cross-sectional view of a headset housing of a headset device provided in accordance with another embodiment of the present application;

fig. 8 is a schematic cross-sectional view of a headset housing of a headset device provided in accordance with another embodiment of the present application;

fig. 9 is a schematic cross-sectional view of a headset housing of a headset device provided in accordance with another embodiment of the present application;

fig. 10 is a schematic cross-sectional view of a headset housing of a headset device provided in accordance with another embodiment of the present application;

fig. 11 is a schematic cross-sectional view of a headset housing of a headset device provided in accordance with another embodiment of the present application;

fig. 12 is a schematic side view of an earphone device provided by another embodiment of the present application;

fig. 13 is a schematic side view of an earphone device provided by another embodiment of the present application;

fig. 14 is a schematic side view of an earphone device according to another embodiment of the present application;

fig. 15 is a schematic side view of an earphone device according to another embodiment of the present application;

fig. 16 is a schematic view of an earphone housing of an earphone device provided by another embodiment of the present application;

fig. 17 is a schematic partial cross-sectional view of an earphone device provided by an embodiment of the present application;

fig. 18 is a schematic diagram of an earphone device provided by another embodiment of the present application;

fig. 19 is a schematic diagram of an earphone device provided by another embodiment of the present application;

fig. 20 is a schematic diagram of an earphone device according to another embodiment of the present application.

Detailed Description

The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments.

Referring to fig. 1, 2 and 3, the present application provides an earphone device 100, wherein the earphone device 100 comprises two earphone housings 10, two electroacoustic assemblies 20 respectively fixed to the two earphone housings 10, and a head beam 30 connecting the two earphone housings 10, the earphone housing 10 is provided with a first end 101 and a second end 102 opposite to the first end 101, the earphone housing 10 is provided with an ear entrance passage 11 penetrating through the first end 101 and the second end 102, the electroacoustic assembly 20 comprises an electroacoustic device 21 fixed in the earphone housing 10 and adjacent to the ear entrance passage 11 or/and the first end 101, and the electroacoustic device 21 emits sound to the ear entrance passage 11 or/and the first end 101 through the earphone housing 10.

It will be appreciated that the electro-acoustic assembly 20 includes one or more electro-acoustic devices 21, the electro-acoustic devices 21 may be speakers, bone conduction electro-acoustic devices, etc., and the electro-acoustic assembly may also include other devices such as circuit boards, etc. When a user wears the earphone device 100, the two earphone covers 10 are respectively a left earphone cover and a right earphone cover, and the two electroacoustic components 20 are respectively a left electroacoustic device component and a right electroacoustic device component. The earphone cover 10 is worn around the user's ear, and the ear-entering channel 11 is used for the user's ear to penetrate. The electroacoustic device is located on the side of the periphery of the ear-entering channel 11, so that the user can receive the sound of the electroacoustic device 21 from the side of the periphery of the ear-entering channel and receive the external sound by using the ear-entering channel 11. It should be noted that the head beam 30 may be worn on the top of the user's head or may be worn on the back of the user's head.

Through earphone equipment 100 includes two earphone covers 10, earphone cover 10 is equipped with and supplies the user's ear to penetrate go into ear passageway 11, go into ear passageway 11 by first end 101 of earphone cover 10 runs through to second end 102, electroacoustic component 20 is including being fixed in earphone cover 10 and adjacent go into ear passageway 11 or/and the electroacoustic device of first end 101 for the user can listen to through first end 101 or go into ear passageway 11 inner wall the sound of electroacoustic device, also can listen to external sound through go into ear passageway 11, guarantees the security.

In this embodiment, the ear inlet channel 11 is used for the ear of the user to pass through, so that the earphone cover 10 conducts sound to the ear of the user from the periphery side of the ear of the user. The earphone housing 10 has a first end 101 facing the head of the user and a second end 102 opposite the first end 101. The ear canal 11 extends through the first end 101 and the second end 102. When the user wears the headphone apparatus 100, the first end 101 is attached to the head of the user at a position on the side of the ear circumference. The ear inlet channel 11 is open at both the first end 101 and the second end 102, such that the ear inlet channel 11 is open both inside and outside the earphone housing 10. The ear-entering channel 11 is in the opening of first end 101 is provided for the user's ear to penetrate, the ear-entering channel 11 is provided for the user's ear to penetrate out or for the user's ear to receive external sound in the opening of second end 102. The earpiece enclosure 10 may be attached to the end of the headpiece 30 at the second end 102 to facilitate wearing of the earpiece device 100, although other suitable locations may be attached to the headpiece 30, such as between the second end 102 and the first end 101, near the second end 102, or near the first end 101. The form of the head-mounted beam is different, and the connecting position of the head-mounted beam is also different.

The sound emitting direction of the electroacoustic device 21 may face the in-ear channel 11, so that the sound of the electroacoustic device 21 is conducted to the ear of the user through the in-ear channel. The sound emitting direction of the electroacoustic device 21 may also be toward the first end 101, so that the sound of the electroacoustic device 21 is conveniently conducted to the ear through the portion around the ear of the user.

Optionally, the inner wall of the ear insertion channel 11 is substantially in an oval shape, so that the ear insertion channel 11 is adapted to the ear of the user, and the inner side wall of the ear insertion channel 11 can be in contact with the ear of the user.

Alternatively, the inner wall of the ear insertion channel 11 may be substantially circular, square or other polygonal shape.

It will be appreciated that the electro-acoustic assembly 20 may be provided with one electro-acoustic device 21 or a plurality of electro-acoustic devices 21 within the open earphone housing 10. In this application, a plurality refers to two or more numbers. That is, two or more electroacoustic devices 21 may be provided to the electroacoustic assembly. The sound of the electro-acoustic device 21 of the electro-acoustic assembly 20 may exit through the protective structure of the earphone housing 10.

Further, the earphone housing 10 is provided with a frame 12, and the ear entrance passage 11 is formed inside the frame 12. The first end 101 and the second end 102 are disposed on two opposite sides of the frame 12, that is, the ear insertion channel penetrates through two opposite sides of the frame 12. The frame body 12 is provided with an accommodating cavity 13 located on the peripheral side of the ear entrance channel 11, and the electroacoustic component 20 is provided with a plurality of electroacoustic devices 21 fixed in the accommodating cavity 13 and distributed on the peripheral side of the ear entrance channel 11.

In this embodiment, the frame 12 supports and protects the electroacoustic module 20. The first end 101 and the second end 102 are disposed at opposite ends of the frame 12. Specifically, the frame 12 includes a first casing 121 extending along an annular curve and a second casing 122 extending along the annular curve. The extension curve of the first housing 121 is the same as that of the second housing 122. The first housing 121 and the second housing 122 are covered. The receiving cavity 13 is located between the first housing 121 and the second housing 122. The first end 101 is disposed on a side of the first casing 121 facing away from the second casing 122. The second end 102 is disposed on a side of the second housing 122 facing away from the first housing 121. The ear insertion channel 11 is disposed outside the first housing 121 and the second housing 122, but the ear insertion channel 11 is formed inside an extension curve of the first housing 121 and an extension curve of the second housing 122. The electroacoustic device 21 may generate sound through the first housing 121 toward the first end 101, so that the peripheral side portion of the ear of the user may listen to the sound of the electroacoustic device 21 after contacting the first end 101. The electroacoustic device 21 may generate sound through the first housing 121 toward the ear insertion channel 11, or may generate sound through the second housing 122 toward the ear insertion channel 11.

In one embodiment, as shown in fig. 2 and 3, the frame 12 is provided with a plurality of sound outlet holes 123 along the circumferential direction, and the sound outlet holes 123 communicate the accommodating cavity 13 and the ear inlet channel 11. The electroacoustic device 21 is a loudspeaker provided with a diaphragm. The electroacoustic device 21 utilizes the electromagnetic coil to drive the vibrating diaphragm to vibrate, and utilizes the vibrating diaphragm to vibrate to make a sound, and the sound made by the vibrating diaphragm can be made to be emitted outwards through air conduction. The sound emitted by the electroacoustic device 21 may be conducted to the outside via an air medium. The plurality of electroacoustic devices 21 are respectively opposite to the plurality of sound outlet holes 123. Electroacoustic device 21 is equipped with sound production end 211, electroacoustic device 21's sound production end 211 contradict in sound outlet hole 123 is kept away from go into ear passageway 11's open end, make sound that sound production end 211 sent can pass through air in the sound outlet hole 123 effectively conducts extremely go into ear passageway 11, and the warp air conduction in the income ear passageway 11 is to the eardrum of user's ear.

Optionally, a plurality of the electroacoustic devices 21 are arranged equidistantly along the extension curve of the frame 12.

Alternatively, a plurality of the electroacoustic devices 21 may be arranged in a non-equidistant manner along the extension curve of the frame 12.

Optionally, the sound emitting direction of the electroacoustic device 21 may be a certain angle with the opening direction of the ear entrance channel 11, so that the sound emitted by the electroacoustic devices 21 may be collected at the opening of the ear entrance channel 11 penetrating through the first end 101, thereby increasing the sound transmission efficiency.

Optionally, the sound emitting direction of the electroacoustic devices 21 may be substantially perpendicular to the opening direction of the ear inlet channel 11, so that the emitted sound of the plurality of electroacoustic devices 21 may be emitted out toward the openings of the two ends of the ear inlet channel 11, and the sound is collected at the opening of the first end 101, thereby increasing the sound transmission efficiency.

Optionally, a part of the sound outlet hole 123 projects sound towards the opening of the ear inlet channel 11 penetrating the first end 101, a part of the sound outlet hole 123 projects sound towards the opening of the ear inlet channel 11 penetrating the second end 102, so that a part of the sound of the electroacoustic device 21 can be conducted to the opening of the ear inlet channel 11 penetrating the first end 101 through the sound outlet hole 123, and a part of the sound of the electroacoustic device 21 can be conducted to the opening of the ear inlet channel 11 penetrating the second end 102 through the sound outlet hole 123. The earphone housing 10 may emit sound at both the first end 101 and the second end 102, ensuring that the user can hear the sound, and also sharing the sound of the earphone device 100 to the outside.

It will be appreciated that a plurality of the electroacoustic devices 21 may emit the same sound wave or may emit different sound waves. For example, a plurality of the electroacoustic devices 21 may emit front channel sound, rear channel sound, up channel sound, and down channel sound, respectively. When the electroacoustic component 20 receives a set of audio signals, the set of audio signals has multi-directional audio frequencies such as front channel audio, rear channel audio, upper channel audio, lower channel audio, etc., and the plurality of electroacoustic devices 21 can respectively generate sound for the audio frequencies in each direction in the set of audio signals, so that a user can listen to and restore the sound field in each direction, and a stereo effect of restoring a real sound field is realized. Each of the electroacoustic devices 21 may also emit a combined sound of a high frequency, a medium frequency and a low frequency according to various timbres of the sound field, so that the listening effect is more realistic. For another example, a plurality of the electroacoustic devices 21 may emit low frequency sound, medium frequency sound, and high frequency sound, respectively. When the electroacoustic component 20 receives a group of audio signals, the group of audio signals has a low-frequency audio frequency, a medium-frequency audio frequency and a high-frequency audio frequency, and the electroacoustic devices 21 respectively receive the low-frequency audio frequency, the medium-frequency audio frequency and the high-frequency audio frequency, so that the electroacoustic component 20 respectively generates sounds for the audio frequencies of all frequency bands in the group of audio signals, the audio tone quality of each frequency band is improved, and the effect of restoring a real sound field is realized.

In this embodiment, the frame 12 is a closed ring-shaped frame, that is, the first casing 121 and the second casing 122 both extend along a closed ring-shaped curve. The sound outlet holes 123 may be arranged symmetrically around the geometric central axis of the ear inlet channel 11. The plurality of electroacoustic devices 21 may be directly or diagonally opposed to the plurality of sound outlet holes 123, respectively. The plurality of electroacoustic devices 21 are arranged at equal intervals, so that a user can equally listen to the plurality of electroacoustic devices 21 from multiple directions.

In another embodiment, referring to fig. 4, the sound outlet holes 123 are asymmetrically arranged around the ear inlet channel 11. Specifically, the frame 12 includes an ear front portion 119 and an ear rear portion 118 opposite to the ear front portion 119. The ear front 119 is the portion of the user in front of the user's ear after the user wears the headset housing 10. The behind-the-ear portion 118 is the portion of the user behind the user's ear after the user wears the earphone housing 10. The plurality of sound outlet holes 123 are all arranged in the ear front portion 119. The ear front 119 may extend in a semi-circular arc curve. The plurality of sound outlet holes 123 are arranged along a semicircular arc curve. A plurality of the electroacoustic devices 21 are in one-to-one correspondence with a plurality of the sound outlet holes 123 (which may not be in one-to-one correspondence in some embodiments). A plurality of sound of the electroacoustic device 21 is conducted to the ear entrance 112 through the plurality of sound outlet holes 123, so that the ear of the user receives sound, the sound conduction efficiency is improved, and a multi-directional real stereo field is realized. Of course, in other embodiments, a plurality of electroacoustic devices 21 may be arranged on the ear front portion 119 and the ear rear portion 118, and the sound outlet holes 123 are arranged only on the ear front portion 119 and correspond to the electroacoustic devices 21 on the ear front portion 119 one to one (in some embodiments, there may not be a one-to-one correspondence).

In another embodiment, please refer to fig. 5, which is substantially the same as the embodiment shown in fig. 4, except that a plurality of the electroacoustic devices 21 and a plurality of the sound outlet holes 123 are disposed on the rear ear portion 118 to increase the efficiency of receiving sound from the rear of the ear of the user, so as to satisfy the real sound field effect of simulating the sound field behind the ear in the listening sensation of the user.

In another embodiment, please refer to fig. 6 and 7, which is substantially the same as the embodiment shown in fig. 3, except that the frame 12 is provided with a plurality of bone conduction mediums 116 along the circumferential direction, and a plurality of electroacoustic devices 21 are respectively opposite or diagonally opposite to the plurality of bone conduction mediums 116 and correspondingly collide with the bone conduction mediums 116 to generate sound.

The frame 12 is provided with a plurality of bone conduction mediums 116 at the first end 101, and the plurality of bone conduction mediums 116 and the plurality of electroacoustic devices 21 are in one-to-one correspondence (in some embodiments, there may not be a one-to-one correspondence). The electroacoustic device 21 is a bone conduction electroacoustic device. The electroacoustic device 21 directly converts the electrical signal into a mechanical vibration signal, and transmits the mechanical vibration signal to the bone of the user through the bone conductive medium 116, and transmits the mechanical vibration signal to the eardrum through the bone of the user, so that the eardrum can hear the sound signal of the electroacoustic device 21. The sound outlet end of the electro-acoustic device 21 abuts against the bone conduction medium 116. When the first end 101 is attached to the head of the user, the bone conduction medium 116 is oriented substantially parallel to the opening of the ear-entering channel 112, so that the sound emitted from the electroacoustic device 21 can be conducted to the eardrum of the ear with the bone around the ear of the user. A plurality of the bone conduction media 116 may be arranged symmetrically about a geometric central axis of the ear insertion passageway 112. Of course, in other embodiments, the bone conduction medium 116 may also extend from the inner wall of the receiving cavity 13 to the inner wall of the ear insertion channel 11, so that the bone conduction medium 116 contacts the bone of the ear of the user from the inner wall of the ear insertion channel 11 and transmits the sound to the eardrum of the ear. In other embodiments, the frame 12 is provided with a plurality of bone conduction mediums 116 at the second end 102, and the plurality of bone conduction mediums 116 and the plurality of electroacoustic devices 21 are in one-to-one correspondence (in some embodiments, there may not be a one-to-one correspondence).

Optionally, referring to fig. 8, the electroacoustic assembly 20 further includes an auxiliary speaker 29, the auxiliary speaker 29 is fixed in the receiving cavity 13 and is adjacent to the electroacoustic device 21 emitting sound through the bone conductive medium 116, and sound of the auxiliary speaker 29 can be superimposed with sound emitted from the bone conductive medium 116 by the electroacoustic device 21, so that the user can hear the auxiliary speaker 29 and the electroacoustic device 21 emitting sound through the bone conductive medium 116 integrally strengthened. The frame 12 is provided with an auxiliary sound outlet hole 291 adjacent to the bone conduction medium 116, and the sound of the auxiliary speaker 29 can be conducted from the inside of the receiving cavity 11 to the outside through the auxiliary sound outlet hole 291.

In another embodiment, referring to fig. 9, the bone conduction media 116 are asymmetrically arranged around the ear canal 112. Specifically, the frame 12 includes an ear front portion 119 and an ear rear portion 118 opposite to the ear front portion 119. The ear front 119 is the portion of the user in front of the user's ear after the user wears the headset housing 10. The behind-the-ear portion 118 is the portion behind the user's ear after the user wears the earmuff. The plurality of bone-conducting mediums 116 are all arranged in the rear of the ear 118. The ear rear portion 118 may extend in a semi-circular arc curve. A plurality of the bone conduction media 116 are arranged along a semi-circular arc curve. A plurality of the peripheral side electro-acoustic devices 21 are in one-to-one correspondence with a plurality of the bone conductive mediums 116 (which may not be in one-to-one correspondence in some embodiments). It is a plurality of the sound of electroacoustic device 21 is through it is a plurality of bone conduction medium 116 conduction is passed to the skeleton that reaches user's ear week side or ear and is passed to the eardrum, realizes that user's ear receives sound, improves sound conduction efficiency, and realizes diversified real stereo field. Of course, in other embodiments, a plurality of electroacoustic devices 21 may be arranged on the anterior portion 119 and the posterior portion 118, and the bone conduction medium 116 may only correspond to the electroacoustic devices 21 arranged on the posterior portion 118 one-to-one (in some embodiments, there may not be a one-to-one correspondence).

In another embodiment, please refer to fig. 10, which is substantially the same as the embodiment shown in fig. 9, except that a plurality of the electroacoustic devices 21 and a plurality of the bone conduction mediums 116 are disposed on the ear front portion 119 to increase the efficiency of receiving sound from the front of the ear of the user, so as to satisfy the effect of simulating the real sound field in front of the user in the listening sense.

In another embodiment, referring to fig. 11, the same as the embodiment shown in fig. 8, except that the frame body 12 is provided with a plurality of sound outlet holes 123 at the ear front portion 119, and a plurality of bone conduction mediums 116 at the ear rear portion 118. The plurality of electroacoustic devices 21 disposed in the anterior portion 119 may be in one-to-one correspondence (or may not be in one-to-one correspondence in some embodiments) with the plurality of sound outlet holes 123, and the plurality of electroacoustic devices 21 disposed in the posterior portion 118 may be in one-to-one correspondence (or may not be in one-to-one correspondence in some embodiments) with the plurality of bone conductive media 116. The electroacoustic devices 21 are symmetrically arranged around the geometric central axis of the in-ear channel 112, so that the hearing sense of sound received by a user is more real, and the accuracy of the simulated orientation is improved. Of course, in other embodiments, the plurality of electroacoustic devices 21 may be asymmetrically arranged around the ear insertion channel 112. A plurality of the bone conduction media 116 may also be disposed in the anterior ear portion 119 and a plurality of the sound outlet holes 123 disposed in the posterior ear portion 118.

Referring to fig. 12, in another embodiment, generally the same as the embodiment of fig. 1, the earphone housing 10 is provided with a non-enclosed annular frame 12. The frame body 12 is provided with a cut-off opening 129, and the cut-off opening 129 is communicated with the ear inlet channel 11 on the inner side of the frame body 12. The electroacoustic device 21 is disposed adjacent to or/and opposite to the frame 12 and the cut-off opening 129. The frame 12 extends along an unclosed curve. The frame 12 is provided with two free ends between which the break opening 129 is formed. Frame 12 is through setting up disconnected opening 129, convenience of customers's ear warp disconnected opening 129 penetrates go into ear passageway 11, increase earphone equipment 100 wears the convenience.

Specifically, the frame 12 is provided with an ear lower portion 1181 at a position opposite to the position where the head beam 30 is connected. The frame 12 may be provided with a cut opening 129 at a position opposite to the position where the head beam 30 is connected, that is, the cut opening 129 is provided at the ear lower portion 1181, so that a user can wear the earphone without affecting wearing of some earrings, such as earrings. A plurality of the electroacoustic devices 21 are arranged in the ear front portion 119 and the ear rear portion 118 so that both the ear front orientation and the ear rear orientation of the user can receive sound.

Referring to fig. 13, in another embodiment, substantially the same as the embodiment shown in fig. 12, the break opening 129 is provided in the rear ear portion 118. It is a plurality of electroacoustic device 21 arrange in ear front portion 119, and arrange in framework 12 connects wear the relative department of roof beam, it is a plurality of electroacoustic device 21 set up in framework 12 is kept away from disconnected opening 129 department avoids electroacoustic device 21's sound is followed disconnected opening 129 is dispersed and is revealed, has reduced electroacoustic device 21's sound and has passed to efficiency.

Referring to fig. 14, in another embodiment, substantially the same as the embodiment shown in fig. 12, the break-away opening 129 is disposed in the ear front portion 119. The electroacoustic devices 21 are arranged at the rear of the ear 118 and at the opposite position of the frame 12 to the head-mounted beam.

Referring to fig. 15, in another embodiment, substantially the same as the embodiment shown in fig. 12, the break opening 129 is disposed on the ear upper portion 1191. The headgear beam 30 is connected to the ear upper portion 1191 and is positioned adjacent to the break opening 129. A plurality of the electroacoustic devices 21 are arranged in the ear front portion 119 and the ear rear portion 118, and in the ear lower portion 1181.

In another embodiment, referring to fig. 16, the frame body 12 is provided with a first half frame 1201 and a second half frame 1202 telescopically connected to the first half frame 1201, and the ear inlet channel 11 is formed between the first half frame 1201 and the second half frame 1202. The inner diameter of the ear insertion channel 11 becomes larger or smaller as the first half frame 1201 and the second half frame 1202 extend or contract. The first half 1201 is "U" shaped and the second half 1202 is "U" shaped. Two free ends of the first half frame 1201 can extend into two free ends of the second half frame 1202, or two free ends of the second half frame 1202 can extend into two free ends of the first half frame 1201, so that the first half frame 1201 can be telescopically adjusted relative to the second half frame 1202. When the first half frame 1201 is extended relative to the second half frame 1202, the inner diameter of the ear-entering channel 11 becomes larger. When the first half frame 1201 is contracted with respect to the second half frame 1202, the inner diameter of the ear inlet passage 11 becomes smaller. By utilizing the adjustable or small inner diameter of the ear inlet channel 11, the earphone cover 10 can be adjusted according to different sizes of ears of users, and the wearing comfort is improved.

Further, referring to fig. 17, the earphone housing 10 is further provided with an annular protective gasket 15 fixed to the frame 12, and the annular protective gasket 15 extends parallel to the frame 12.

In this embodiment, the annular protective washer 15 is an elliptical annular washer. The annular protective gasket 15 may be made of a sponge of soft texture wrapped in a flexible leather material. The ring-shaped protection gasket 15 is detachably connected to the side of the first housing 121 facing away from the second housing 122, so that the ring-shaped protection gasket 15 can be maintained and replaced conveniently. The annular protective gasket 15 can be in contact with the head of the user, ensuring the wearing comfort of the earphone cover 10. Of course, in other embodiments, if the frame 12 is a circular frame 12, the annular protective gasket 15 may be a circular gasket. The stretchable frame 12 may be made of a stretchable material for the grommet 15.

Specifically, the first housing 121 is provided with a snap along the circumferential direction, and the annular protective gasket 15 is connected to the first housing 121 through the snap. The ring-shaped protection gasket completely covers the outer surface of the first housing 121 to increase the wearing area of the ring-shaped protection gasket. The end of the second shell 122 away from the annular protective gasket 15 is provided with a connecting back portion 146, and the connecting back portion 146 is connected to the end of the head-mounted beam 30, so that the structure of the earphone cover 10 and the head-mounted beam 30 is stable.

Optionally, the sound outlet 123 is disposed on the edge of the second housing 122 adjacent to the first housing 121, so as to prevent the annular shielding gasket from covering the sound outlet 123. The earphone cover 10 is further provided with a protective netting layer 144 attached to the second casing 122 on the side away from the first casing 121. The protective netting layer 144 covers the sound outlet holes 123 to prevent dust and impurities from entering the sound outlet holes 123. The sound emitted from the electroacoustic device 21 can penetrate through the protective netting layer 144. The earphone cover 10 is further provided with a decoration layer 145 covering the protection mesh layer 144, and the decoration layer 145 can penetrate the sound of the sound outlet 123. The decorative layer 145 may have the same decorative effect as the outer layer of the annular protective gasket 15, so that the entire earphone cover 10 appears to be integral.

Further, the head beam 30 is provided with two connecting members 31 rotatably connecting the two second housings 122, respectively, and a connecting rod 32 rotatably and telescopically connected to the connecting members 31.

In this embodiment, the connecting back 146 is provided with a rotating bearing 147, and the connecting member 31 is provided with a transverse rotating shaft 311 rotatably engaged with the rotating bearing 147. The transverse rotation axis 311 is substantially perpendicular to the length direction of the end of the head-mounted beam 30, so that the earphone cover 10 can rotate around the transverse rotation axis 311, thereby increasing the fitting degree of the ring-shaped protection gasket 15 to the head of the user. An adjusting rotating shaft 312 is arranged at one end of the connecting piece 31 far away from the transverse rotating shaft 311, and the adjusting rotating shaft 312 is approximately perpendicular to the transverse rotating shaft 311. The connecting rod 32 is rotatably connected to the adjusting shaft 312 and slidably connected to the adjusting shaft 312. The earphone housing 10 can rotate around two axes relative to the connecting rod 32, so that the wearing comfort of the earphone housing 10 is convenient to adjust. By using the connecting member 31 to be telescopic relative to the connecting rod 32, the length of the head beam 30 can be adjusted, and the size of the earphone device 100 can be conveniently adjusted. By adjusting the rotation of the earphone cover relative to the connecting member 31, the first end 101 of the frame 12 can be attached to the head of a user for wearing, and the second end 102 of the frame 12 can also be attached to the head of the user for wearing, so that the wearing comfort of the earphone cover 10 can be adjusted by the user as required, and different listening effects of the earphone cover 10 under different wearing modes can be adjusted.

In another embodiment, the headpiece 30 is a deformable elastic memory rod. Wear roof beam 30 and can overturn and buckle to make frame 12 both sides relative all can be followed wear roof beam 30 bending deformation and laminating user's head and wear, convenience of customers adjusts as required the earphone lid 10 is worn the travelling comfort, and adjusts different listening effect under the different wearing methods of earphone lid 10.

Further, the electroacoustic assembly 20 further comprises a frequency divider 40 fixed in the receiving cavity 13, and the frequency divider 40 is electrically connected to the electroacoustic device 21 of the electroacoustic assembly 20. In this embodiment, the electroacoustic assemblies 20 include the frequency divider 40, and the frequency dividers 40 of the two electroacoustic assemblies 20 are respectively fixed in the two accommodating cavities 13. The frequency divider 40 electrically connects a plurality of the electroacoustic devices 21. The frequency divider 40 receives an audio signal and divides the audio signal into a plurality of audio signals. The frequency divider 40 sends a plurality of the audio signals to a plurality of the electro-acoustic devices 21. It is understood that the audio signal of the frequency divider 40 may be received through a signal cable or may be received through a wireless communicator.

Further, the electroacoustic assembly 20 is provided with a noise reducing electroacoustic device 50 mounted within the earphone housing 10 adjacent the second end 102, the noise reducing electroacoustic device 50 being configured to reduce the noise of sound passing through the second end 102 opening adjacent the ear entrance channel 11.

In this embodiment, the noise reduction electroacoustic device 50 can receive the control signal of the earphone device 100, and according to the control signal court the sound wave of making an uproar is sent to the income ear passageway 11, the sound wave of making an uproar can offset and spread into the external sound of income ear passageway 11 for the user hears the decibel reduction of external sound, avoids external noisy sound interference the sound of electroacoustic device 21 reaches the user ear. The noise reduction electroacoustic device 50 is fixed in the accommodating cavity 13 and is adjacent to the peripheral side of the ear inlet channel 11. The noise reduction electroacoustic device 50 is disposed adjacent to the opening of the ear insertion channel 11 through the second end 102, so as to facilitate the external sound to be cancelled after entering from the ear insertion channel 11 through the opening of the second end 102.

Optionally, the orientation of the noise reduction electroacoustic device 50 forms an included angle with the extending direction of the ear insertion channel 11, so that the sound emitted by the noise reduction electroacoustic device 50 is emitted toward the opening of the ear insertion channel 11 penetrating through the second end 102.

Optionally, the noise reduction electroacoustic device 50 is oriented substantially perpendicular to the extending direction of the ear insertion channel 11, so that the coverage of the noise reduction acoustical wave emitted by the noise reduction electroacoustic device 50 in the ear insertion channel 11 is increased.

Optionally, 20 electroacoustic assemblies may be provided with a plurality of noise reduction electroacoustic devices 50, a plurality of noise reduction electroacoustic devices 50 are arranged on the peripheral side of the ear entrance channel 11, so that the ear entrance channel 11 may receive noise reduction sound waves from multiple directions, and noise reduction effect is improved.

Optionally, the frame 12 is provided with a noise reduction sound outlet 127 opposite to the noise reduction electroacoustic device 50, and the noise reduction sound outlet 127 is communicated with the accommodating cavity 13 and the ear inlet channel 11. The sound wave of the noise reduction electroacoustic device 50 enters the ear entrance channel 11 through the noise reduction sound outlet hole 127 to counteract the external sound entering the ear entrance channel 11.

Further, the electroacoustic assembly 20 further comprises an acoustic sensor 60 fixed in the earphone housing 10 and adjacent to the second end 102, wherein the acoustic sensor 60 is electrically connected to the noise reduction electroacoustic device 50 for sensing external noise and sending a sensing signal to the noise reduction electroacoustic device 50, and the noise reduction electroacoustic device 50 sends a noise reduction sound wave opposite to the external noise sound wave according to the sensing signal.

In this embodiment, the housing 12 is provided with a sound inlet 128 penetrating through the second end 102, and the acoustic sensor 60 is fixed in the accommodation chamber 13 so as to be opposite to or diagonally opposite to the sound inlet 128. The acoustic sensor 60 receives external sound from the sound input hole 128 and converts the external sound into an electrical signal. The noise reduction electroacoustic device 50 receives the electric signal of the sound sensor 60 to convert the electric signal into a noise reduction sound wave opposite to the sound wave waveform of the external sound. Utilize it is opposite to fall the sound wave form of making an uproar with the sound wave form of external sound makes external sound gets into behind the income ear passageway 11 by fall the sound wave of making an uproar and offset, thereby reduce the decibel that external sound wave conduction reaches user's ear, realize the initiative noise reduction effect.

In another embodiment, referring to fig. 18, the earphone device 100 is an in-ear earphone. The headphone apparatus 100 is provided with a pair of left and right headphone housings 10, and the pair of left and right headphone housings 10 are connected by a headphone cable. The earphone line is provided with a bus 1002, a left line 1003 and a right line 1004. The bus 1002 is connected to the left line 1003 and the right line 1004. The left wire 1003 and the right wire 1004 are connected to a pair of left and right earphone covers 10, respectively. The left wire 1003 and the right wire 1004 may be detachably connected to the left and right pair of the earphone covers 10, respectively, or may be firmly connected to each other.

In another embodiment, referring to fig. 19, the headset device 100 is a bluetooth wireless headset. The ear speaker device 100 includes only a pair of left and right two ear speaker covers 10. Set up bluetooth wireless connection module in the earphone lid 10, electroacoustic component 20 warp bluetooth wireless connection module receives audio signal. When the user wears the earphone device 100, the user respectively hangs the pair of left and right earphone covers 10 on the left and right ears, that is, the user wears the earphone device 100.

In another embodiment, please refer to fig. 20, which is substantially the same as the embodiment of fig. 19, except that the earphone device further comprises a neck ring 1005. Set up control assembly in hanging neck circle 1005, hang the control assembly of neck circle 1005 and connect two of a pair of about conducting cable the earphone lid 10, in order to utilize control assembly control electroacoustic component 20 sound production in the earphone lid 10. When the user wears the earphone device, the neck hanging ring 1005 is hung on the neck of the user, and the left and right earphone covers 10 are hung on the left and right ears, respectively.

Through earphone device 100 includes two earphone covers 10, earphone cover 10 is equipped with and supplies the user's ear to penetrate go into ear passageway 11, go into ear passageway 11 by first end 101 of earphone cover 10 runs through to second end 102, electroacoustic component 20 is including being fixed in earphone cover 10 and adjacent go into ear passageway 11 or/and the electroacoustic device 21 of first end 101 for the user can listen to through first end 101 or go into ear passageway 11 the sound of electroacoustic device 21, also can listen to external sound through go into ear passageway 11, guarantees the security.

The above are preferred embodiments of the application, and the above examples, embodiments and technical features may be combined with each other without conflict. The term "plurality" in the present application means two or more, and the description of "first", "second", and the like in the present application is only for distinction unless otherwise specified. It should be noted that, for those skilled in the art, without departing from the application principle, several improvements and modifications can be made, and these improvements and modifications are also considered to be within the scope of the application.

Claims (12)

1. The utility model provides an earphone cover, its characterized in that, earphone cover is equipped with framework and electroacoustic component, the inboard of framework is equipped with the income ear passageway that supplies the user's ear to stretch into, it runs through to go into the ear passageway the both sides that the framework is relative, the inside of framework is equipped with and is located go into the chamber of acceping of ear passageway week side, electroacoustic component is including being fixed in accept the electroacoustic device of intracavity, the electroacoustic device can be followed it outwards sends sound signal to accept the intracavity.

2. The earphone cover according to claim 1, wherein the frame body is a closed annular frame.

3. The earphone cover according to claim 1, wherein the frame body is a non-closed annular frame, and the frame body is provided with a cut-off opening communicated with the ear inlet channel.

4. The headset cover of claim 3, wherein the frame includes a front portion and a rear portion opposite the front portion, the frame further includes an upper portion and a lower portion connected between the front portion and the rear portion, the upper portion being disposed opposite the lower portion, and the disconnection port is disposed at any one of the front portion, the rear portion, the upper portion, or the lower portion.

5. The earphone cover according to any one of claims 1 to 4, wherein the frame body is provided with a sound outlet hole communicated with the receiving cavity, the electroacoustic device is a loudspeaker, and a sound signal of the electroacoustic device is conducted from the receiving cavity to the outside by using air in the sound outlet hole as a conducting medium.

6. The earphone cover according to any one of claims 1 to 4, wherein the frame body is provided with a bone conduction medium extending from the inner wall of the receiving cavity to the outer wall of the frame body, the electroacoustic device is a bone conduction electroacoustic device, and the sound signal of the electroacoustic device is conducted from the receiving cavity to the outside through the bone conduction medium.

7. The earphone cover according to any one of claims 1 to 4, wherein the frame body is provided with a first half frame and a second half frame telescopically connected with the first half frame, the ear insertion channel is formed between the first half frame and the second half frame, and the inner diameter of the ear insertion channel becomes larger or smaller as the first half frame and the second half frame extend or contract.

8. The earphone cap according to any one of claims 1-4, wherein the electro-acoustic assembly further comprises a noise reduction electro-acoustic device fixed in the receiving cavity at an end remote from the head of the user, the noise reduction electro-acoustic device being configured to reduce noise of sound passing through the opening at the end remote from the head of the user adjacent to the ear entrance channel.

9. An earphone device, characterized in that it comprises an earphone cover according to any one of claims 1-8.

10. The earphone device according to claim 9, further comprising a head beam having both ends connected to the two earphone covers, respectively.

11. The earphone device according to claim 10, wherein the head-mounted beam is a deformable elastic memory rod, and both opposite sides of the frame body can be worn on the head of the user along with the bending deformation of the head-mounted beam.

12. The earphone device of claim 10, wherein the headpiece is provided with a connecting member rotatably connected to the frame, and the earphone cover is rotatable relative to the headpiece via the connecting member so that opposite sides of the earphone cover can be worn in conformity with the head of the user.

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