CN212970056U

CN212970056U - Directive property transaudient near field earphone

Info

Publication number: CN212970056U
Application number: CN202022179766.4U
Authority: CN
Inventors: 张瑞博
Original assignee: Shenzhen Senji Technology Co ltd
Current assignee: Shenzhen Senji Technology Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-04-13
Anticipated expiration: 2030-09-28

Abstract

The utility model is suitable for the technical field of earphones, and provides a directive sound transmission near-field earphone, which comprises a head wearing part and two earphone parts which are rotationally connected with the two ends of the head wearing part; the earphone part comprises a shell and a loudspeaker arranged in the shell; one side of the loudspeaker provided with the vibrating diaphragm and the shell form a front cavity, the other side of the loudspeaker and the shell form a rear cavity, and the side surface of the shell is provided with a sound outlet hole communicated with the front cavity and an air hole communicated with the rear cavity; the two earphone parts can respectively rotate around the head wearing part to make the sound outlet hole point to the ears of a wearer. The directional sound transmission near-field earphone provided by the utility model can improve the wearing comfort of the user and is firm to wear; simultaneously, a wearer can flexibly rotate the two earphone parts, so that sound outlet holes of the two earphone parts point to ears of the wearer, directional sound transmission is realized, the loss of tone quality is avoided, the directional sound transmission near-field earphone can be suitable for users with various human head sizes, and the universal performance is good.

Description

Directive property transaudient near field earphone

Technical Field

The utility model relates to an earphone technical field especially relates to a directive property transaudient near field earphone.

Background

Along with the development of earphone, more and more split type two wireless bluetooth headset appear in the consumer, and split type wireless bluetooth headset has increased the comfort of wearing owing to having broken away from the constraint of data transmission connecting wire completely, has better use to experience, receives people's favor more and more. Common earphones in the market at present are TWS earphones and bone conduction earphones. Among them, TWS headphones are more sought after in the market due to the ever shrinking volume and perfect functionality. The bone conduction earphone converts sound into mechanical vibration with different frequencies, transmits sound waves through skull, bone labyrinth, inner ear lymph fluid, spiral organ, auditory nerve and auditory center of a human body, and finally 'hears' the sound.

In the prior art, when the TWS earphone is used, the TWS earphone needs to be placed into ears of a wearer, the ears of the wearer can be uncomfortable after long-time use, and the TWS earphone is not stably worn and is easy to drop, damage or lose; bone conduction earphone has greatly sacrificed earphone tone quality for air conduction earphone, simultaneously because the size that bone conduction earphone can't adjust the various head types of human size of adaptation, the commonality can be poor, is not convenient for the user to use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a directive property transaudient near field earphone aims at solving prior art's earphone and has inconvenient long-time wearing, wear unstable and the poor problem of commonality.

The embodiment of the utility model provides a directive sound transmission near field earphone, which comprises a head wearing part and two earphone parts which are rotationally connected with the two ends of the head wearing part;

the earphone part comprises a shell and a loudspeaker arranged in the shell; one side of the loudspeaker provided with the vibrating diaphragm and the shell form a front cavity, the other side of the loudspeaker and the shell form a rear cavity, and the side surface of the shell is provided with a sound outlet communicated with the front cavity and a vent communicated with the rear cavity; the two earphone parts can respectively rotate around the head wearing part so that the sound outlet holes point to the ears of a wearer.

Preferably, the directional sound-transmitting near-field earphone further comprises:

and the limiting mechanism is arranged between the head wearing part and the earphone part and is used for limiting the rotation angle of the earphone part.

Preferably, the rotation angle of the earphone part is 0-120 degrees.

Preferably, the limiting mechanism comprises a limiting block arranged on the head wearing part and a limiting groove arranged on the earphone part, and the limiting block is clamped into the limiting groove and can move in the limiting groove.

Preferably, the head-wearing part is provided with a plurality of positioning grooves arranged at intervals, and the earphone part is provided with positioning bulges matched with the positioning grooves; when the earphone part rotates around the head wearing part, the positioning protrusions can be sequentially clamped into the corresponding positioning grooves.

Preferably, the included angle formed by the loudspeaker and the bottom surface of the front cavity is 0-45 degrees.

Preferably, the angle formed by the loudspeaker and the bottom surface of the front cavity is 7.3 degrees.

Preferably, the inner side of the head-wearing part is provided with a friction pad for contacting with the head of the wearer.

Preferably, the friction pad is silica gel or cotton pad.

Preferably, the sound outlet hole and the air holes are provided with tuning nets.

The directional sound transmission near-field earphone provided by the utility model is provided with the head wearing part and two earphone parts respectively connected with the two ends of the head wearing part in a rotating way, and the earphone is fixed on the head of a wearer by utilizing the head wearing part, so that the earphone is more firmly worn and is prevented from falling off; moreover, the earphone part does not need to be put into the ears of the wearer, and even if the wearer wears the directional sound transmission near-field earphone for a long time, the discomfort of the ears cannot be caused, and the wearing comfort is improved. Simultaneously, the person of wearing can rotate two earphone portions according to its head type is nimble to make the play sound hole of two earphone portions point to the person's of wearing ear, utilize closely inside air conduction sound wave to the person's of wearing ear, realize directional sound transmission, have the advantage of the good tone quality of air conduction earphone, can realize the conduction of each frequency channel sound wave, avoid the tone quality loss. The users with different head types can flexibly adjust the earphone parts to proper positions according to the head types of the users, so that the sound outlet holes of the two earphone parts point to the ears of the wearer, the earphone device can be suitable for the users with various head types, and the universal performance is good.

Drawings

Fig. 1 is a three-dimensional structure diagram of a directional sound-transmitting near-field earphone provided by the embodiment of the present invention;

fig. 2 is a three-dimensional structure diagram of the directional sound-transmitting near-field earphone provided by the embodiment of the present invention in a use state;

fig. 3 is an exploded perspective view of a directional sound-transmitting near-field earphone according to an embodiment of the present invention;

fig. 4 is a perspective view of the earphone part of the directional sound-transmitting near-field earphone according to the embodiment of the present invention;

FIG. 5 is a schematic sectional view taken along the line B-B in FIG. 4;

fig. 6 is a usage state diagram of the directional sound-transmitting near-field earphone according to the embodiment of the present invention, which is worn on the head of a wearer;

fig. 7 is another usage state diagram of the directional sound-transmitting near-field earphone according to the embodiment of the present invention, which is worn on the head of a wearer;

FIG. 8 is an enlarged view of detail A of FIG. 3;

fig. 9 is an exploded perspective view of a headphone portion of a directional sound-transmitting near-field headphone according to an embodiment of the present invention;

fig. 10 is an exploded view of another perspective structure of the earphone portion of the directional sound-transmitting near-field earphone according to the embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The directional sound transmission near-field earphone provided by the embodiment of the utility model is provided with the head wearing part and two earphone parts respectively connected with the two ends of the head wearing part in a rotating way, and the head wearing part is fixed on the head of a wearer, so that the earphone is more firmly worn and is prevented from falling off; and the ear of the wearer need not to be put into to earphone portion, even the wearer wears this directive sound transmission near field earphone for a long time, can not cause the ear uncomfortable yet, has promoted the travelling comfort of wearing. Meanwhile, the wearer can flexibly rotate the two earphone parts, so that the sound outlet holes of the two earphone parts point to the ears of the wearer, sound waves are transmitted to the inside of the ears of the wearer by utilizing close-range air, directional sound transmission is realized, the advantage of good sound quality of the air transmission earphone is achieved, and the loss of the sound quality is avoided; the users with different head types can flexibly adjust the earphone parts to proper positions according to the head types of the users, so that the sound outlet holes of the two earphone parts point to the ears of the wearer, the use of the users with different head types can be met, and the universal performance is good.

Referring to fig. 1 to 5, an embodiment of the present invention provides a directional sound-transmitting near-field earphone, including a head-wearing portion 1 and two earphone portions 2 rotatably connected to two ends of the head-wearing portion 1.

The earphone part 2 comprises a shell 21 and a loudspeaker 22 arranged in the shell 21; one side of the loudspeaker 22 provided with the vibrating diaphragm 220 and the shell 21 form a front cavity 23, the other side of the loudspeaker 22 and the shell 21 form a rear cavity 24, and the side surface of the shell 21 is provided with a sound outlet hole 211 communicated with the front cavity 23 and an air hole 212 communicated with the rear cavity 24; the two earphone parts 2 can be rotated around the head-mounted part 1 respectively so that the sound outlet holes 211 are directed toward the ears of the wearer.

Referring to fig. 6-7, in the embodiment of the present invention, the shape of the head-wearing portion 1 is adapted to the shape of the back of the head of the human body. When the directional sound transmission near-field earphone is used, a wearer sleeves the head-wearing part 1 from the back of the head and clamps and fixes the head of the wearer (as shown in fig. 6) so as to fix the directional sound transmission near-field earphone on the head of the wearer, then the wearer rotates the two earphone parts 2, so that the sound outlet holes 211 of the two earphone parts 2 respectively point to the external auditory canals of the left ear and the right ear of the wearer (as shown in fig. 7), the sound is generated through the sound outlet holes 211, the sound is transmitted to the ears of the wearer by utilizing the air near distance, and the directional sound transmission effect can be achieved.

The embodiment of the utility model provides an in, utilize the head portion of wearing 1 to fix this directive property transaudient near field earphone on the person of wearing is overhead, make the earphone wear more firm, prevent that the earphone from droing. Simultaneously, this directive property transaudient near field earphone is fixed when wearing person's head, and earphone portion 2 is located wearing person's ear one side top, and earphone portion 2 need not to put into wearing person's ear, even this earphone of long-time use of wearing person, can not cause the ear discomfort yet to promote this earphone wear the travelling comfort.

The embodiment of the utility model provides an in, because two earphone portions 2 rotate respectively and connect in 1 both ends of head-mounted portion, the user is when using this earphone, can adjust earphone portion 2 to suitable position according to the head type is nimble, make two earphone portions 2 go out sound hole 211 directional person's ear of wearing simultaneously, the sound wave that goes out sound hole 211 utilizes near field air conduction to person's ear external auditory canal of wearing, realize directional sound transmission, avoid tone quality loss, and different users all can adjust earphone portion 2 according to its head type is nimble when using this earphone so that it realizes the sound transmission to go out the directional ear of sound hole 211, the commonality has been improved greatly. Compared with the traditional in-ear earphone, the directional sound transmission near-field earphone avoids the feeling of fullness when being worn, so that the directional sound transmission near-field earphone can be worn for a long time; compared with the traditional bone conduction earphone, the earphone has better tone quality, can adapt to the sizes of various human head types, and is more convenient for users to use. In addition, earphone portion 2 can adopt the big vibrating diaphragm unit of establishment greatly of big developments, and tone quality is better than the expression effect of traditional bluetooth headset on each frequency channel.

Referring again to fig. 3 to 5, as an embodiment of the present invention, the inner side of the head-mounted part 1 is provided with a friction pad 3 for contacting with the head of the wearer. Wherein, the friction pads 3 are two and are oppositely arranged. The friction pad 3 is used to increase the friction between the head-mounted part 1 and the head of the wearer, so that the head-mounted part 1 can be more firmly worn on the head of the wearer. Meanwhile, the friction pad 3 can reduce the uncomfortable feeling brought to the user by the excessively hard head wearing part 1, and the use comfort of the user can be improved.

As an embodiment of the present invention, the friction pad 3 is silica gel or cotton pad. The use comfort of the user is further improved by utilizing the characteristics that the silica gel or the pad cotton has large friction force and is comfortable to contact with the human body.

As an embodiment of the present invention, the sound outlet holes 211 and the air holes 212 are provided with a tuning net 25. The air holes 212 are used for adjusting tone quality, and the tuning net 25 at the sound outlet hole 211 concentrates the sound energy of the front cavity 23, guides and adjusts sound focusing, realizes directional conduction and prevents tone quality loss.

As an embodiment of the present invention, the housing 21 includes a first housing 213 and a second housing 214, the first housing 213 and the second housing 214 are covered with each other, and the speaker 22 is installed between the first housing 213 and the second housing 214, so as to facilitate the assembly of the earphone unit 2. The sound outlet hole 211 and the air hole 212 are respectively formed in the first housing 213. Wherein, the two earphone parts 2 have the same structure and are respectively connected with the two ends of the head wearing part 1 in a rotating way.

As an embodiment of the present invention, the earphone part 2 and the head-wearing part 1 are connected by the rotation of the earphone part 2 and the head-wearing part 1 through the shaft hole fit, so that the earphone part 2 and the head-wearing part 1 are stably connected and are convenient to assemble. Besides this embodiment, the earphone part 2 and the head-wearing part 1 may be connected in a rotation manner by magnetic attraction, snap-fit, or the like.

Referring to fig. 8-10, in the present embodiment, the head-wearing portion 1 is provided with a rotating shaft 11, the housing 21 is provided with a connecting hole 215, and the rotating shaft 11 passes through the connecting hole 215, so that the earphone portion 2 and the head-wearing portion 1 form a rotating connection. When the earphone part 22 rotates relative to the head-mounted part 1, the earphone part 2 rotates about the rotary shaft 11. Wherein the connection hole 215 is provided on the first housing 213.

As an embodiment of the present invention, one end of the rotating shaft 11 is further provided with an elastic buckle 12, the connecting hole 215 is passed through by the end of the rotating shaft 11 provided with the elastic buckle 12, and the casing 21 of the earphone part 2 is buckled on the rotating shaft 11 through the elastic buckle 12. The elastic buckle 12 has a limiting effect on the earphone part 2, prevents the earphone part 2 from being separated from the rotating shaft 11, and enables the earphone part 2 to be more stably connected with the head wearing part 1.

As an embodiment of the utility model, this directive property transaudient near field earphone still includes:

and the limiting mechanism is arranged between the head wearing part 1 and the earphone part 2 and is used for limiting the rotation angle of the earphone part 2.

In this embodiment, the limiting mechanism is arranged to limit the rotation angle of the earphone part 2, so that the earphone part 2 is prevented from rotating excessively, and the use by a user is facilitated.

As an embodiment of the present invention, the rotation angle of the earphone part 2 is 0 to 120 °, that is, the earphone part 2 can rotate 120 °. When the user uses the directional sound transmission near-field earphone, the earphone part 2 can be rotated to any position within the range of 0-120 degrees as required, and the use of the user is facilitated.

As an embodiment of the present invention, the limiting mechanism includes the limiting block 13 disposed on the head-wearing portion 1 and the limiting groove 216 disposed on the earphone portion 2, and the limiting groove 216 is blocked by the limiting block 13 and can move in the limiting groove 216. Specifically, the stopper groove 216 is provided on the first housing 213 at one side of the connection hole 215. Wherein, the limiting groove 216 is an arc-shaped groove.

In this embodiment, the limiting groove 216 is used to cooperate with the limiting block 13 to limit the rotation angle of the earphone part 2. The radian of the limiting groove 216 corresponds to the rotation angle of the earphone part 2. When the earphone part 2 rotates clockwise relative to one end of the head wearing part 1, when the side wall of one end of the limiting groove 216 abuts against the limiting block 13, the limiting block 13 prevents the earphone part 2 from continuing to rotate; when the earphone part 2 rotates anticlockwise relative to one end of the head wearing part 1, when the side wall of the other end of the limiting groove 216 abuts against the limiting block 13, the limiting block 13 prevents the earphone part 2 from continuing to rotate, and therefore the rotation angle of the earphone part 2 can be limited.

As an embodiment of the present invention, the head-wearing portion 1 is provided with a plurality of positioning grooves 14 arranged at intervals, and the earphone portion 2 is provided with positioning protrusions 217 engaged with the positioning grooves 14; when the earphone part 2 rotates around the head wearing part 1, the positioning protrusions 217 are sequentially clamped into the corresponding positioning grooves 14. The specific number of the positioning grooves 14 is not limited, and may be two or more than three. The positioning protrusion 217 is a spherical structure to reduce the friction force when the positioning protrusion 217 slides relative to the positioning groove 14, so as to improve the rotation feeling of the earphone part 2.

In this embodiment, the positioning protrusion 217 of the earphone part 2 is matched with the positioning groove 14, and when the earphone part 2 rotates to any position, the positioning protrusion 217 is matched with the corresponding positioning groove 14, so as to fix the position of the earphone part 2 and prevent the earphone part 2 from freely rotating, so that the earphone part 2 can be stably kept at a certain position after rotating, and the use of a user is facilitated; moreover, the earphone part 2 is matched with the positioning bulges 217 and the positioning grooves 14, and the earphone part 2 can feed back gear feeling to the user in the rotating process, so that the use experience of the user is improved.

As an embodiment of the present invention, the speaker 22 is spaced from the bottom surface of the front cavity 23, and the included angle β formed by the speaker 22 and the bottom surface of the front cavity 23 is 0-45 °.

In this embodiment, the speaker 22 may be disposed parallel to the bottom surface of the front cavity 23, and the speaker 22 may be disposed obliquely to the bottom surface of the front cavity 23. When the included angle formed by the loudspeaker 22 and the bottom surface of the front cavity 23 is 0 degree, namely the loudspeaker 22 and the bottom surface of the front cavity 23 are arranged in parallel; when the included angle formed between the speaker 22 and the bottom surface of the front cavity 23 is greater than 0 °, that is, the speaker 22 is disposed obliquely relative to the bottom surface of the front cavity 23, so that the sound wave energy generated by the vibration of the diaphragm 220 of the speaker 22 can be converged at the sound outlet hole 211, which is beneficial to the convergence of sound and directional sound transmission, and avoids the loss of sound quality.

As a preferred embodiment of the present invention, the included angle formed by the speaker 22 and the bottom surface of the front cavity 23 is 7.3 °, so that the speaker 22 is inclined at an inclination angle of 7.3 ° relative to the bottom surface of the front cavity 23, which is beneficial to the sound aggregation and directional sound transmission, and further reduces the loss of sound quality.

As an embodiment of the present invention, a plurality of supporting pillars 218 are disposed in the front cavity 23, the height of the supporting pillars 218 is gradually reduced from the position of the sound outlet hole 211 toward the direction away from the sound outlet hole 211, and the speaker 22 is obliquely supported on the supporting pillars 218 toward the sound outlet hole 211. In addition, the bottom surface of the front cavity 23 may be directly inclined, and may also play a role of converging the acoustic energy.

The directional sound transmission near-field earphone provided by the embodiment of the utility model has the advantages that the earphone is fixed on the head of a wearer by the head wearing part through the arrangement of the head wearing part and the two earphone parts respectively rotatably connected with the two ends of the head wearing part, so that the earphone is more firmly worn and is prevented from falling off; moreover, the earphone part does not need to be put into the ears of the wearer, and even if the wearer wears the directional sound transmission near-field earphone for a long time, the discomfort of the ears cannot be caused, and the wearing comfort is improved. Simultaneously, the person of wearing can rotate two earphone portions according to its head type is nimble to make the play sound hole of two earphone portions point to the person's of wearing ear, utilize closely inside air conduction sound wave to the person's of wearing ear, realize directional sound transmission, have the advantage of the good tone quality of air conduction earphone, can realize the conduction of each frequency channel sound wave, avoid the tone quality loss. The users with different head types can flexibly adjust the earphone parts to proper positions according to the head types of the users, so that the sound outlet holes of the two earphone parts point to the ears of the wearer, the earphone device can be suitable for the users with various head types, and the universal performance is good.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A directional sound transmission near-field earphone is characterized by comprising a head wearing part and two earphone parts which are rotatably connected to two ends of the head wearing part;

2. The directional acoustic near field earphone of claim 1, further comprising:

3. The directional sound-transmitting near-field earphone according to claim 2, wherein the rotation angle of the earphone part is 0 to 120 °.

4. A directional sound-transmitting near-field earphone according to claim 2 or 3, wherein the limiting mechanism comprises a limiting block arranged on the head-mounted part and a limiting groove arranged on the earphone part, and the limiting block is clamped into the limiting groove and can move in the limiting groove.

5. The directional sound-transmitting near-field earphone according to claim 1, wherein the head-mounted portion is provided with a plurality of positioning grooves arranged at intervals, and the earphone portion is provided with positioning protrusions engaged with the positioning grooves; when the earphone part rotates around the head wearing part, the positioning protrusions can be sequentially clamped into the corresponding positioning grooves.

6. The directional sound-transmitting near-field earphone according to claim 1, wherein the angle formed by the speaker and the bottom surface of the front cavity is 0-45 °.

7. A directional acoustically transmissive near field earphone as claimed in claim 6 wherein the angle subtended by the speaker and the floor of the front cavity is 7.3 °.

8. A directional acoustically transmissive near field earphone as claimed in claim 1 wherein the inner side of the headgear portion is provided with a friction pad for contact with the wearer's head.

9. The directional sound-transmitting near-field earphone according to claim 8 wherein the friction pad is silicone or cotton pad.

10. The directional sound-transmitting near-field earphone according to claim 1, wherein the sound outlet hole and the air vent are each provided with a tuning net.