CN220823262U

CN220823262U - In-ear Bluetooth earphone

Info

Publication number: CN220823262U
Application number: CN202322569056.6U
Authority: CN
Inventors: 李永黎; 胡先茂
Original assignee: Shenzhen Shi Kisb Electronic Co ltd
Current assignee: Shenzhen Shi Kisb Electronic Co ltd
Priority date: 2023-09-20
Filing date: 2023-09-20
Publication date: 2024-04-19
Anticipated expiration: 2033-09-20

Abstract

The utility model belongs to the technical field of Bluetooth headphones, and particularly relates to an in-ear Bluetooth headphone, which comprises a headphone shell, an audio output cylinder, a moving coil loudspeaker, a moving iron loudspeaker, a control circuit board and a battery, wherein the control circuit board is arranged on the headphone shell; the earphone shell is provided with an inner cavity, and the front end of the earphone shell is provided with a mounting port; the rear end of the sound outlet tube is arranged at the mounting port, the sound outlet tube is reduced from the middle part of the sound outlet tube to the front end to form a conical sound outlet tube, and the sound outlet tube is provided with a sound outlet; the sound outlet cylinder is internally provided with a mounting seat, the moving coil loudspeaker is arranged at the rear end of the mounting seat, the mounting seat is provided with a sound transmission channel, one end of the sound transmission channel is communicated with the sound outlet end of the moving coil loudspeaker, and the other end of the sound transmission channel is close to the sound outlet; the moving iron loudspeaker is arranged at the front end of the mounting seat, and the sound outlet end of the moving iron loudspeaker is close to the sound outlet; the moving coil loudspeaker and the moving iron loudspeaker are reasonably arranged in the sound outlet cylinder, and the moving coil loudspeaker and the moving iron loudspeaker cannot occupy the space of the inner cavity of the earphone shell, so that the volume of the Bluetooth earphone can be designed to be smaller, and the whole Bluetooth earphone is small and exquisite.

Description

In-ear Bluetooth earphone

Technical Field

The utility model belongs to the technical field of Bluetooth headphones, and particularly relates to an in-ear Bluetooth headphone.

Background

The Bluetooth headset is to apply the Bluetooth technology to the hands-free headset, so that a user can avoid the trouble of annoying wires and can easily talk in various modes. Since the advent of bluetooth headsets, it has been a good tool for the mobile commerce family to increase efficiency. The Bluetooth technology is globally open, has good compatibility in the global scope, and can be integrated by a low-cost intangible Bluetooth network worldwide.

The existing Bluetooth headset comprises a headset shell, a loudspeaker, a control circuit board and a battery; wherein, loudspeaker, control circuit board and battery are all installed in the earphone shell, occupy great to the inner space of earphone shell, lead to bluetooth headset's volume great, and the appearance is not small and exquisite enough. In addition, the earphone shell has limited inner space, the loudspeaker is basically close to the side of the control circuit board and the battery, and electromagnetic interference is easy to generate between the loudspeaker and the control circuit board and between the loudspeaker and the battery during operation, so that the tone quality of the loudspeaker is affected.

Disclosure of utility model

The utility model aims to provide an in-ear Bluetooth headset, and aims to solve the technical problems that in the prior art, a loudspeaker, a control circuit board and a battery of the Bluetooth headset are arranged in a headset shell, so that the Bluetooth headset is large in size and not small in appearance due to the fact that the occupied space of the inner part of the headset shell is large.

In order to achieve the above purpose, the embodiment of the utility model provides an in-ear Bluetooth headset, which comprises a headset shell, an audio output cylinder, a moving coil loudspeaker, a moving iron loudspeaker, a control circuit board and a battery; the earphone shell is provided with an inner cavity, and the front end of the earphone shell is provided with a mounting port communicated with the inner cavity; the rear end of the sound outlet tube is arranged at the mounting opening, the sound outlet tube is reduced from the middle part of the sound outlet tube to the front end to form a conical sound outlet tube, and the sound outlet tube is provided with a sound outlet; the sound outlet tube is internally provided with a mounting seat, the moving coil loudspeaker is arranged at the rear end of the mounting seat, the mounting seat is provided with a sound transmission channel, one end of the sound transmission channel is communicated with the sound outlet end of the moving coil loudspeaker, and the other end of the sound transmission channel extends to the sound outlet tube and is close to the sound outlet; the moving iron loudspeaker is arranged at the front end of the mounting seat and extends into the sound outlet barrel, and the sound outlet end of the moving iron loudspeaker is close to the sound outlet; the control circuit board and the battery are arranged in the inner cavity, and the moving coil loudspeaker, the moving iron loudspeaker and the battery are electrically connected with the control circuit board.

Optionally, a first mounting groove is concavely formed in the rear end of the mounting seat, a first limiting ring is convexly arranged on the inner wall of the first mounting groove, and the moving coil loudspeaker is mounted in the first mounting groove and is abutted to the first limiting ring; a cavity is formed between the moving coil loudspeaker and the first mounting groove, and the sound outlet end of the moving coil loudspeaker is positioned in the cavity; one end of the sound transmission channel is communicated with the cavity.

Optionally, a sound transmission pipe is arranged at the front end of the mounting seat in a penetrating manner, and a pipeline of the sound transmission pipe is the sound transmission channel.

Optionally, a jack communicated with the cavity is arranged at the front end of the mounting seat, one end of the sound transmission pipe is fixedly inserted into the jack, and the other end of the sound transmission pipe is close to the sound outlet.

Optionally, the sound transmission tube is a straight tube.

Optionally, a second mounting groove is arranged at one side of the sound transmission pipe at the front end of the mounting seat, and the rear end of the moving iron loudspeaker is fixedly inserted into the mounting groove; the second mounting groove is provided with a first threading hole communicated with the cavity, the side wall of the first mounting groove is provided with a wiring groove, one end of the wiring groove is communicated with the cavity, and the other end of the wiring groove extends to the rear end of the mounting seat.

Optionally, a third mounting groove is formed at the front end of the mounting seat at the other side of the sound transmission tube, a microphone is arranged in the third mounting groove, and the microphone is electrically connected with the control circuit board. The outer wall of the sound outlet cylinder is provided with a through hole in a penetrating way, and the microphone is close to the through hole; the third mounting groove is provided with a second threading hole communicated with the cavity, the side wall of the first mounting groove is provided with a wiring groove, one end of the wiring groove is communicated with the cavity, and the other end of the wiring groove extends to the rear end of the mounting seat.

Optionally, a shielding cover is arranged at the rear end of the mounting seat, and covers the moving coil loudspeaker; the rear end of the shielding cover is provided with a third threading hole in a penetrating mode.

Optionally, the inner wall of the sound outlet tube is convexly provided with a second limiting ring, the mounting seat is mounted in the sound outlet tube, and the front end of the mounting seat is abutted against the second limiting ring.

Optionally, the inner wall of the mounting port is convexly provided with a third limiting ring, and the rear end of the sound outlet barrel is mounted on the mounting port and abuts against the third limiting ring.

Compared with the prior art, the one or more technical schemes in the in-ear Bluetooth headset provided by the embodiment of the utility model have at least one of the following technical effects:

1. The sound output tube is positioned at the front end of the earphone shell, the moving coil loudspeaker and the moving iron loudspeaker are reasonably arranged in the sound output tube, the control circuit board and the battery are arranged in the earphone shell, and the moving coil loudspeaker and the moving iron loudspeaker cannot occupy the space of the inner cavity of the earphone shell, so that the volume of the Bluetooth earphone can be designed to be smaller, and the whole Bluetooth earphone is small and exquisite.

2. The sound that moving coil loudspeaker sent follows sound transmission passageway and follows sound outlet and pass into in the user's ear, and the sound that moving coil loudspeaker sent directly passes into in the user's ear from sound outlet, and the sound wave that makes moving coil loudspeaker produce is difficult to cross interference with the sound wave that moving coil loudspeaker produced like this, has promoted the tone quality of moving coil loudspeaker and moving iron loudspeaker.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an in-ear bluetooth headset according to the present utility model.

Fig. 2 is a cut-away view of the in-ear bluetooth headset of the present utility model.

Fig. 3 is a partial structural sectional view of an in-ear bluetooth headset of the present utility model.

Fig. 4 is a first exploded view of a partial structure of an in-ear bluetooth headset according to the present utility model.

Fig. 5 is a second exploded view of a partial structure of the in-ear bluetooth headset according to the present utility model.

Wherein, each reference sign in the figure:

100. an earphone housing; 110. an inner cavity; 120. a control circuit board; 130. a battery; 140. a mounting port; 141. a third limiting ring;

200. A sound outlet tube; 201. a second limiting ring; 210. an opening; 220. a sound outlet pipe; 221. a sound outlet; 230. a moving coil horn; 240. a moving iron horn; 250. a microphone; 251. a through hole;

300. a mounting base; 301. a cavity; 310. a sound transmission tube; 311. a sound transmission channel; 320. a first mounting groove; 321. a first stop collar; 322. wiring grooves; 330. a jack; 340. a second mounting groove; 341. a first threading hole; 350. a third mounting groove; 351. a second threading hole; 360. a shield; 361. and a third threading hole.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to illustrate embodiments of the utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In one embodiment of the present utility model, referring to fig. 1 to 5, an in-ear bluetooth headset is provided, which includes a headset housing 100, an outlet barrel 200, a moving coil speaker 230, a moving iron speaker 240, a control circuit board 120, and a battery 130.

Referring to fig. 2 and 3, the earphone housing 100 has an inner cavity 110, and a front end of the earphone housing 100 is provided with a mounting port 140 communicating with the inner cavity 110. The rear end of the sound tube 200 is mounted at the mounting port 140, the rear end of the sound tube 200 is provided with an opening 210, the sound tube 200 is reduced from the middle to the front end to form a cone-shaped sound tube 220, and the front end of the sound tube 220 is provided with a sound outlet 221.

Referring to fig. 2 and 3, a mounting seat 300 is disposed in the sound emitting barrel 200, and the moving coil loudspeaker 230 is disposed at the rear end of the mounting seat 300. The mounting base 300 is provided with a sound transmission channel 311, one end of the sound transmission channel 311 is communicated with the sound outlet end of the moving coil loudspeaker 230, and the other end of the sound transmission channel 311 extends to the sound outlet pipe 220 and is close to the sound outlet 221.

Referring to fig. 2 and 3, the moving iron horn 240 is disposed at the front end of the mounting base 300 and extends into the sound outlet barrel 200, and the sound outlet end of the moving iron horn 240 is close to the sound outlet 221.

Referring to fig. 2 and 3, since the front end of the sound emitting tube 200 needs to be provided with the sound emitting tube 220, the sound emitting tube 200 has a structure with a small front end and a large rear end, and the moving coil loudspeaker 230 is relatively large, so that the moving coil loudspeaker 230 is mounted at the rear end of the mounting seat 300, the rear end space of the sound emitting tube 200 is reasonably utilized, and the moving iron loudspeaker 240 is relatively small, so that the moving iron loudspeaker 240 is mounted at the front end of the mounting seat 300, and the front end space of the sound emitting tube 200 is reasonably utilized, so that the moving coil loudspeaker 230 and the moving iron loudspeaker 240 are reasonably mounted in the sound emitting tube 200.

Referring to fig. 2 and 3, the control circuit board 120 and the battery 130 are disposed in the inner cavity 110, and the moving coil loudspeaker 230, the moving iron loudspeaker 240 and the battery 130 are electrically connected to the control circuit board 120. The moving coil horn 230, the moving iron horn 240 and the control circuit board 120 are supplied with power through the battery 130.

Referring to fig. 2 and 3, the sound emitting tube 200 is located at the front end of the earphone housing 100, the moving coil loudspeaker 230 and the moving iron loudspeaker 240 are reasonably installed in the sound emitting tube 200, the control circuit board 120 and the battery 130 are installed in the earphone housing 100, the moving coil loudspeaker 230 and the moving iron loudspeaker 240 do not occupy the space of the inner cavity 110 of the earphone housing 100, so that the volume of the bluetooth earphone can be designed to be smaller, and the whole bluetooth earphone is compact and exquisite.

In addition, referring to fig. 2 and 3, the sound emitted by the moving coil loudspeaker 230 is transmitted into the ear of the user from the sound outlet 221 along the sound transmission channel 311, and the sound emitted by the moving coil loudspeaker 240 is directly transmitted into the ear of the user from the sound outlet 221.

In another embodiment of the present utility model, referring to fig. 3-5, a first mounting groove 320 is concavely formed at the rear end of the mounting base 300, a first stop ring 321 is convexly formed on the inner wall of the first mounting groove 320, and the moving coil loudspeaker 230 is mounted in the first mounting groove 320 and abuts against the first stop ring 321. Specifically, the moving coil speaker 230 may be fixedly mounted to the first mounting groove 320 by means of a fastening, bonding, or the like.

Referring to fig. 3-5, a cavity 301 is formed between the moving coil loudspeaker 230 and the first mounting groove 320, and the sound emitting end of the moving coil loudspeaker 230 is located in the cavity 301. One end of the sound transmission passage 311 communicates with the cavity 301. Sound from moving coil loudspeaker 230 enters cavity 301 and passes along sound delivery passageway 311 from sound outlet 221 into the user's ear.

Further, referring to fig. 3-5, a sound transmission tube 310 is disposed at the front end of the mounting base 300, a pipe of the sound transmission tube 310 is a sound transmission channel 311, sound emitted from the moving coil loudspeaker 230 is transmitted into the ear of the user from the sound outlet 221 along the sound transmission channel 311, and sound emitted from the moving coil loudspeaker 240 is directly transmitted into the ear of the user from the sound outlet 221.

Further, referring to fig. 3-5, the front end of the mounting base 300 is provided with a jack 330 communicating with the cavity 301, one end of the sound transmission tube 310 is fixedly inserted into the jack 330, and the other end of the sound transmission tube 310 is close to the sound outlet 221. The sound transmission tube 310 is provided as a separate piece for easy processing.

Further, referring to fig. 3-5, the sound transmission tube 310 is a straight tube, that is, the sound transmission channel 311 is a straight channel, and in the process of transmitting the sound emitted by the moving coil loudspeaker 230 along the sound transmission channel 311 arranged in a straight way, the sound loss is small, and the sound quality of the moving coil loudspeaker 230 is improved.

In another embodiment of the present utility model, referring to fig. 3 to 5, the front end of the mounting base 300 is provided with a second mounting groove 340 at one side of the sound transmission tube 310, and the rear end of the moving iron horn 240 is fixedly inserted into the second mounting groove. Specifically, the moving iron horn 240 may be fixedly mounted in the second mounting groove 340 by means of fastening, bonding, or the like, so that the installation is convenient.

Referring to fig. 3-5, the second mounting groove 340 is provided with a first threading hole 341 communicating with the cavity 301, a wiring groove 322 is provided on a side wall of the first mounting groove 320, one end of the wiring groove 322 is communicated with the cavity 301, and the other end of the wiring groove 322 extends to the rear end of the mounting seat 300. Specifically, the wiring groove 322 is used for arranging a first wire (not shown), one end of the first wire passes through the first threading hole 341 to be electrically connected with the moving iron horn 240, and the other end of the first wire passes through the opening 210 of the sound outlet barrel 200 to be electrically connected with the control circuit board 120, so as to facilitate wiring.

In another embodiment of the present utility model, referring to fig. 3 to 5, the front end of the mounting base 300 is provided with a third mounting groove 350 at the other side of the sound transmission tube 310, and the third mounting groove 350 is provided with a microphone 250, and the microphone 250 is electrically connected to the control circuit board 120. Specifically, the microphone 250 may be fixedly mounted in the third mounting groove 350 by means of a snap fit, an adhesive, or the like. The outer wall of the sound outlet tube 200 is provided with a through hole 251 in a penetrating way, and the microphone 250 is close to the through hole 251. Wherein the microphone 250 may be a noise reduction microphone 250.

Referring to fig. 3-5, the third mounting groove 350 is provided with a second threading hole 351 communicated with the cavity 301, a wiring groove 322 is provided on a side wall of the first mounting groove 320, one end of the wiring groove 322 is communicated with the cavity 301, and the other end of the wiring groove 322 extends to the rear end of the mounting seat 300. Specifically, the wiring groove 322 is used for disposing a second wire (not shown), one end of the second wire passes through the second threading hole 351 to be electrically connected with the microphone 250, and the other end of the second wire passes through the opening 210 of the sound outlet tube 200 to be electrically connected with the control circuit board 120, so as to facilitate wiring.

In another embodiment of the present utility model, referring to fig. 3-5, a shielding cover 360 is disposed at the rear end of the mounting base 300, and the shielding cover 360 covers the moving coil loudspeaker 230. The shielding shell can effectively reduce electromagnetic interference generated between the moving coil loudspeaker 230 and the moving iron loudspeaker 240 and the control circuit board 120 and the battery 130120, and improves the sound quality of the moving coil loudspeaker 230 and the moving iron loudspeaker 240. The material of the shield case may be aluminum, steel, copper, or the like, and is not limited herein.

Referring to fig. 3-5, a third threading hole 361 is formed through the rear end of the shielding cover 360, and the third threading hole 361 is used for the wire to pass through.

In another embodiment of the present utility model, referring to fig. 3-5, the inner wall of the sound outlet barrel 200 is convexly provided with a second limiting ring 201, the mounting seat 300 is mounted in the sound outlet barrel 200 from the opening 210 of the sound outlet barrel 200, and the front end of the mounting seat 300 abuts against the second limiting ring 201. Specifically, the mounting base 300 may be fixedly mounted in the sound outlet tube 200 by means of clamping, bonding, or the like.

In another embodiment of the present utility model, referring to fig. 2 and 3, the inner wall of the mounting opening 140 is convexly provided with a third limiting ring 141, and the rear end of the sound tube 200 is mounted on the mounting opening 140 and abuts against the third limiting ring 141. Specifically, the sound emitting tube 200 may be fixedly mounted to the mounting port 140 by means of a snap fit, an adhesive, or the like.

Referring to fig. 2, the control circuit board 120 may be configured by using an integrated chip according to actual production requirements, and since the control circuit board 120 belongs to a technology of forming and maturing in the prior art, how to control the in-ear bluetooth headset by the control circuit board 120 should be well known and can be mastered by those skilled in the art, and therefore the control principle of the invention is not repeated here.

The rest of the present embodiment is the same as the first embodiment, and the unexplained features in the present embodiment are all explained by the first embodiment, and are not described here again.

The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. For those skilled in the art, the architecture of the utility model can be flexible and changeable without departing from the concept of the utility model, and serial products can be derived. But a few simple derivatives or substitutions should be construed as falling within the scope of the utility model as defined by the appended claims.

Claims

1. An in-ear Bluetooth headset comprises a headset shell, an audio output cylinder, a moving coil loudspeaker, a moving iron loudspeaker, a control circuit board and a battery; the earphone is characterized in that the earphone shell is provided with an inner cavity, and the front end of the earphone shell is provided with a mounting port communicated with the inner cavity; the rear end of the sound outlet tube is arranged at the mounting opening, the sound outlet tube is reduced from the middle part of the sound outlet tube to the front end to form a conical sound outlet tube, and the sound outlet tube is provided with a sound outlet; the sound outlet tube is internally provided with a mounting seat, the moving coil loudspeaker is arranged at the rear end of the mounting seat, the mounting seat is provided with a sound transmission channel, one end of the sound transmission channel is communicated with the sound outlet end of the moving coil loudspeaker, and the other end of the sound transmission channel extends to the sound outlet tube and is close to the sound outlet; the moving iron loudspeaker is arranged at the front end of the mounting seat and extends into the sound outlet barrel, and the sound outlet end of the moving iron loudspeaker is close to the sound outlet; the control circuit board and the battery are arranged in the inner cavity, and the moving coil loudspeaker, the moving iron loudspeaker and the battery are electrically connected with the control circuit board.

2. The in-ear bluetooth headset of claim 1, wherein: the rear end of the mounting seat is concavely provided with a first mounting groove, the inner wall of the first mounting groove is convexly provided with a first limiting ring, and the moving coil loudspeaker is mounted in the first mounting groove and is abutted against the first limiting ring; a cavity is formed between the moving coil loudspeaker and the first mounting groove, and the sound outlet end of the moving coil loudspeaker is positioned in the cavity; one end of the sound transmission channel is communicated with the cavity.

3. The in-ear bluetooth headset of claim 2, wherein: the front end of the mounting seat is penetrated with a sound transmission pipe, and the pipeline of the sound transmission pipe is the sound transmission channel.

4. An in-ear bluetooth headset according to claim 3, wherein: the front end of the mounting seat is provided with a jack communicated with the cavity, one end of the sound transmission pipe is fixedly inserted into the jack, and the other end of the sound transmission pipe is close to the sound outlet.

5. An in-ear bluetooth headset according to claim 3, wherein: the sound transmission pipe is a straight pipe.

6. An in-ear bluetooth headset according to claim 3, wherein: the front end of the mounting seat is provided with a second mounting groove at one side of the sound transmission pipe, and the rear end of the moving iron loudspeaker is fixedly inserted into the mounting groove; the second mounting groove is provided with a first threading hole communicated with the cavity, the side wall of the first mounting groove is provided with a wiring groove, one end of the wiring groove is communicated with the cavity, and the other end of the wiring groove extends to the rear end of the mounting seat.

7. An in-ear bluetooth headset according to claim 3, wherein: a third mounting groove is formed in the front end of the mounting seat at the other side of the sound transmission tube, a microphone is arranged in the third mounting groove, and the microphone is electrically connected with the control circuit board; the outer wall of the sound outlet cylinder is provided with a through hole in a penetrating way, and the microphone is close to the through hole; the third mounting groove is provided with a second threading hole communicated with the cavity, the side wall of the first mounting groove is provided with a wiring groove, one end of the wiring groove is communicated with the cavity, and the other end of the wiring groove extends to the rear end of the mounting seat.

8. The in-ear bluetooth headset according to any of the claims 1-7, wherein: the rear end of the mounting seat is provided with a shielding cover, and the shielding cover covers the moving coil loudspeaker; the rear end of the shielding cover is provided with a third threading hole in a penetrating mode.

9. The in-ear bluetooth headset according to any of the claims 1-7, wherein: the inner wall of the sound outlet barrel is convexly provided with a second limiting ring, the mounting seat is mounted in the sound outlet barrel, and the front end of the mounting seat is abutted to the second limiting ring.

10. The in-ear bluetooth headset according to any of the claims 1-7, wherein: the inner wall of the mounting opening is convexly provided with a third limiting ring, and the rear end of the sound outlet barrel is mounted on the mounting opening and abuts against the third limiting ring.