CN218301604U

CN218301604U - Bass tube and earphone

Info

Publication number: CN218301604U
Application number: CN202221768642.2U
Authority: CN
Inventors: 何世友; 邓超文; 陈涛
Original assignee: Shenzhen Baseus Technology Co Ltd
Current assignee: Shenzhen Baseus Technology Co Ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2023-01-13
Anticipated expiration: 2032-07-08

Abstract

The embodiment of the application provides a bass pipe for the earphone, the bass pipe includes baffle and tube cap, the baffle with the tube cap combination forms the bass lumen, the baffle is used for separate out sound chamber and circuit board in the casing of earphone and hold the chamber, the bass lumen is used for forming helmholtz resonance. The bass tube of the embodiment of the application is used for the earphone, and the comfort of the earphone when being worn can be improved.

Description

Bass tube and earphone

Technical Field

The utility model relates to an earphone technical field, in particular to bass tube and earphone.

Background

With the development of intelligent equipment, at present, in-ear earphone products are also gradually developing towards the direction of more convenience in carrying and better tone quality. The in-ear earphone generally comprises a partition plate structure used for separating the battery and the circuit board and a bass tube structure used for improving the tone quality of the earphone, the partition plate structure and the bass tube structure work independently, and the partition plate structure and the bass tube structure occupy a large amount of earphone inner space in the earphone, so that the size of the earphone is increased, the appearance is bloated, and the wearing comfort is reduced.

SUMMERY OF THE UTILITY MODEL

In view of this, the present application provides a bass tube for an earphone to reduce the volume of the earphone and improve the comfort when wearing the earphone.

In order to achieve the above purpose, the technical solution of the embodiment of the present application is implemented as follows:

a first aspect of embodiments of the present application provides a bass tube for an earphone, the bass tube including a partition and a tube cover, the partition and the tube cover combining to form a bass tube cavity;

the baffle is used for separating a sound cavity and a circuit board accommodating cavity in the shell of the earphone;

the bass lumen is used to create helmholtz resonance.

In one embodiment, the partition board is detachably connected with the tube cover, or the partition board and the tube cover are integrally formed.

In one embodiment, one side of the partition board is provided with a limiting groove, and at least part of the structure of the pipe cover is clamped into the limiting groove; and/or the presence of a gas in the gas,

the baffle is located the terminal surface of the export week side of bass lumen is formed with screen cloth location step.

In one embodiment, one side of the partition plate is protruded to form a boss having the stopper groove.

In one embodiment, one of the partition and the duct cover has a through hole for communicating the sound chamber with the bass chamber.

In one embodiment, a partial region of the partition is recessed to form a first sub-chamber having the through-hole, and a partial region of the cap is recessed to form a second sub-chamber, the first sub-chamber and the second sub-chamber together forming the bass tube chamber.

In one embodiment, the tube cover is one of a plastic part, a hardware part, and a silicone part.

In one embodiment, the cross-section of the bass lumen has a shape that is one of circular, elliptical, and polygonal; and/or the presence of a gas in the gas,

the extending path of the bass tube cavity is linear or curved.

The embodiment of the application provides an earphone in a second aspect, including casing and the aforesaid bass pipe, the bass pipe sets up in the casing, the baffle is in divide sound chamber and circuit board holding cavity in the casing, the sound chamber passes through at least bass lumen and external intercommunication.

In one embodiment, the sound cavity comprises a front sound cavity and a rear sound cavity communicated with the bass tube cavity, and the shell is provided with a rear sound cavity hole communicated with the rear sound cavity.

The embodiment of the application provides a bass pipe and earphone, the bass pipe includes baffle and tube cap, the baffle of bass pipe is used for separating out sound chamber and circuit board and holds the chamber in the casing of earphone, so that the bass pipe when playing promotion earphone tone quality, can also play the effect of keeping apart circuit board and sound chamber, therefore, need not to additionally arrange the baffle structure in casing inside, can effectively reduce the inner space of casing, thereby can reduce the size of earphone, travelling comfort when can improving the user and wear.

Drawings

Fig. 1 is an exploded view of a headset according to an embodiment of the present application;

FIG. 2 isbase:Sub>A sectional view taken along line A-A of the headset of FIG. 1 in an assembled state;

FIG. 3 is an enlarged view of a portion of FIG. 2 at B;

FIG. 4 is a schematic view of the bass tube shown in FIG. 1;

FIG. 5 is a schematic view of the separator shown in FIG. 4;

FIG. 6 is a schematic view of the spacer plate and the mesh cloth shown in FIG. 4;

fig. 7 is a schematic structural view of the tube cover shown in fig. 4.

Description of the reference numerals

A housing 10; a sound chamber 10a; a front sound cavity 10aa; a rear sound cavity 10ab; a circuit board accommodating chamber 10b; a rear sound cavity aperture 10c; bass tube aperture 10d; a bass tube 20; a partition plate 21; a boss 211; a mesh positioning step 212; a stopper groove 21a; a tube cover 22; a bass lumen 20a; a first sub-cavity 20aa; a through hole 20 aa'; a second subcavity 20ab; a mesh 30; a circuit board 40.

Detailed Description

In the present application, the "longitudinal direction" orientation or positional relationship is based on the orientation or positional relationship shown in fig. 3. It is to be understood that such directional terms are merely for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present application.

An embodiment of the present application provides a bass tube 20, please refer to fig. 2 to 4, for an earphone, the bass tube 20 includes a partition 21 and a tube cover 22, the partition 21 and the tube cover 22 are combined to form a bass tube cavity 20a, the partition 21 is used to partition a sound cavity 10a and a circuit board accommodating cavity 10b in a housing 10 of the earphone, and the bass tube cavity 20a is used to form a helmholtz resonance.

Referring to fig. 1, an earphone is provided according to another embodiment of the present application, and includes a casing 10 and a bass tube 20 according to an embodiment of the present application, the bass tube 20 is disposed in the casing 10, a partition 21 separates a sound cavity 10a and a circuit board accommodating cavity 10b in the casing 10, and the sound cavity 10a is communicated with the outside at least through a bass tube cavity 20a.

The headset of the embodiment of the application can be applied to various headset products, such as a TWS headset (true wireless headset), a wired headset and the like.

The circuit board accommodating cavity 10b is a cavity for accommodating the circuit board 40 in the earphone, and according to the shape and size of the circuit board 40, the circuit board accommodating cavity 10b may be disposed at the ear-handle end of the casing 10, or may have a partial region extending toward the ear-entering end of the casing 10, and the extending range is determined according to the disposition position of the bass tube 20.

The bass tube 20 is based on the principle of a helmholtz resonator, and is generally applied to large audio products such as smart audio and home audio. The bass tube 20 is used for the earphone with the shell 10, so that the low-frequency effect of the earphone can be effectively increased, and the selection range of the earphone loudspeaker unit is wider.

Specifically, the partition 21 in the bass tube 20 serves to separate the sound chamber 10a and the circuit board accommodating chamber 10b, and the partition 21 also needs to cooperate with the tube cover 22 to form the bass tube chamber 20a. Therefore, the bass tube 20 can not only isolate the circuit board 40, but also ensure the sealing performance of the earphone sound cavity 10a and improve the bass effect of the earphone.

The sound cavity 10a is communicated with the outside at least through the bass tube cavity 20a, that is, the sound cavity 10a can be communicated with the outside only through the bass tube cavity 20a to reduce the process flow, and can also be communicated with the outside through adding other paths to improve the sound quality of the earphone.

Referring to fig. 2, the sound cavities include a front sound cavity 10aa and a rear sound cavity 10ab communicating with the bass sound cavity 20a, and the housing 10 has a rear sound cavity hole 10c communicating with the rear sound cavity 10 ab.

That is, the earphone is divided by the speaker to divide the sound cavity 10a into a front sound cavity 10aa and a rear sound cavity 10ab, most of the sound generated by the speaker directly enters the ear of the user through the sound outlet of the front sound cavity 10aa, and a rear sound cavity hole 10c is formed in the area of the casing 10 at the rear sound cavity 10ab, so that part of the sound generated by the speaker can be selectively transmitted to the outside through the rear sound cavity hole 10c and the bass sound cavity 20a, thereby reducing the treble sound and obtaining better sound quality.

The bass tube 20 of the embodiment of the application includes baffle 21 and tube cap 22, the baffle 21 of bass tube 20 is used for separating sound chamber 10a and circuit board and holds chamber 10b in the casing 10 of earphone, so that bass tube 20 when playing promotion earphone tone quality, can also play the effect of keeping apart circuit board 40 and sound chamber 10a, therefore, need not to arrange the diaphragm structure in that casing 10 is inside additionally, can effectively reduce the inner space of casing 10, so as to reduce the size of earphone, comfort when can improving the user and wear.

In one embodiment, the bass tube 20 is disposed in the housing 10, and in order to facilitate the communication between the bass tube cavity 20a and the outside, a bass tube hole 10d communicating with the bass tube cavity 20a may be formed in the housing 10 to improve the sound quality of the earphone.

In an embodiment, referring to fig. 2, the earphone further includes a mesh 30 respectively disposed at the bass tube hole 10d and the rear sound cavity hole 10c, that is, the air pressure of the bass tube cavity 20a and the sound cavity 10a is adjusted by disposing the mesh 30, so that the sound quality of the earphone can be improved.

In an embodiment, referring to fig. 6, a mesh positioning step 212 is formed on an end surface of the partition 21 located on the outlet peripheral side of the bass tube cavity 20a, so that the mesh 30 disposed at the bass tube cavity 20a can be mounted on the mesh positioning step 212 to prevent the mesh 30 from being dislocated to reduce the air pressure adjusting effect.

In an embodiment, the end surface of the partition 21 at the mesh positioning step 212 is an inclined plane, and the mesh 30 is mounted on the mesh positioning step 212 and leans against the inclined plane, so that the end surface of the partition 21 can support the mesh 30 to further stabilize the mesh 30.

It is to be understood that the end face of the partition 21 may be provided as a vertical plane or a curved surface.

Different connection modes can be adopted between the partition plate 21 and the tube cover 22.

In one embodiment, the partition 21 and the cap 22 are integrally formed, that is, the partition 21 and the cap 22 form an integral structure.

In some embodiments, the tube cover 22 and the partition 21 may be fixedly connected, such as by gluing, or may be connected by snap-fit, bolt, plug, or other detachable connection, so as to facilitate subsequent maintenance.

For example, referring to fig. 4 to 7, one side of the partition 21 has a limiting groove 21a, and the tube cover 22 is at least partially inserted into the limiting groove 21 a.

The limiting groove 21a is used for limiting the displacement of the tube cover 22, the external dimension of the limiting groove 21a can be matched with a partial structure of the tube cover 22, and the partial structure of the tube cover 22 is limited through the limiting groove 21a, so that the partition plate 21 is stably connected with the tube cover 22. Of course, the outer dimension of the limiting groove 21a may also be completely matched with the outer dimension of the tube cover 22, and the limiting groove 21a can completely accommodate the tube cover 22 to limit the tube cover.

In one embodiment, referring to fig. 6, the partition plate 21 includes a boss 211, and one side of the partition plate 21 protrudes to form the boss 211 having a limiting groove 21 a.

Specifically, a partial region of one side of the partition plate 21 is protruded to form a boss 211, and the boss 211 is surrounded to form a stopper groove 21a, whereby stable mounting of the tube cover 22 on the partition plate 21 can be facilitated. Meanwhile, by providing the bosses 211 so that the separators 21 are arranged in layers, the amount of material used for the separators 21 can also be reduced.

The tube cover 22 may be made of plastic or hardware or silicone or other materials.

The bass tube 20 may further be provided with a through hole 20aa ', and in some embodiments, the through hole 20aa ' is used to communicate the sound cavity 10a with the bass tube cavity 20a, wherein the specific position of the through hole 20aa ' on the bass tube 20 may be set according to actual needs.

For example, the through hole 20 aa' is located on the cap 22, and the cap 22 is located on the side of the bass tube 20 close to the sound chamber 10 a. Furthermore, the through hole 20 aa' may also be located on the partition plate 21, wherein the partition plate 21 is located on the side of the bass tube 20 close to the sound chamber 10 a. Thereby, the communication of the sound chamber 10a with the bass chamber 20a can be facilitated.

The partition 21 and the cover 22 are combined to form the bass tube cavity 20a, which means that the bass tube cavity 20a is enclosed by the partition 21 and the cover 22, the bass tube cavity 20a may be located on the partition 21, the cover 22 only serves as an enclosure, the bass tube cavity 20a may also be located on the cover 22, the partition 21 serves as an enclosure, or a partial area of the bass tube cavity 20a may be located on the partition 21, and a partial area may be located on the cover 22.

For example, referring to fig. 4 to 7, a partial region of the partition 21 is recessed to form a first sub-chamber 20aa having a through hole 20 aa', a partial region of the tube cover 22 is recessed to form a second sub-chamber 20ab, and the first sub-chamber 20aa and the second sub-chamber 20ab together form a bass tube chamber 20a.

In one embodiment, the first sub-cavity 20aa and the second sub-cavity 20ab are recesses, and the second sub-cavity 20ab has a through hole 20 aa'.

In one embodiment, the cross-section of the bass lumen 20a is circular, elliptical or polygonal, although other shapes may be used to meet the actual needs.

In one embodiment, the extended path of the bass lumen 20a is linear or curved.

That is, the bass lumen 20a may extend along a straight line in the longitudinal direction, or may extend along a curved line, for example, the extending path may be U-shaped or S-shaped.

In the description of the present application, reference to the description of the terms "an embodiment," "in some embodiments," "a particular embodiment," or "exemplary" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present application. In this application, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of different embodiments or examples described herein may be combined by one skilled in the art without contradiction.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application are included in the protection scope of the present application.

Claims

1. A bass tube for an earphone, the bass tube comprising a baffle and a tube cover, the baffle and the tube cover combining to form a bass tube chamber;

the bass lumen is used to create helmholtz resonance.

2. The bass tube of claim 1, wherein the baffle is removably coupled to the tube cap, or wherein the baffle is integrally formed with the tube cap.

3. The bass tube of claim 1, wherein one side of the baffle has a limit groove, and the tube cover is at least partially snapped into the limit groove; and/or the presence of a gas in the gas,

4. The bass tube of claim 3, wherein one side of the baffle projects to form a boss having the retaining groove.

5. The bass tube of claim 1, wherein one of the baffle and the tube cover has a through hole for communicating the sound chamber and the bass tube chamber.

6. The bass tube of claim 5, wherein a partial region of the diaphragm is recessed to form a first sub-chamber having the through-hole, and a partial region of the tube cap is recessed to form a second sub-chamber, the first sub-chamber and the second sub-chamber collectively forming the bass tube chamber.

7. The bass tube of claim 1, wherein the tube cap is one of a plastic, hardware, and silicone piece.

8. The bass tube of claim 1, wherein a cross-section of the bass lumen has a shape that is one of circular, elliptical, and polygonal; and/or the presence of a gas in the gas,

the extending path of the bass tube cavity is in a linear or curved shape.

9. An earphone comprising a housing and the bass tube of any one of claims 1 to 8, the bass tube being disposed within the housing, the diaphragm dividing a sound chamber and a circuit board receiving chamber within the housing, the sound chamber being in communication with the outside at least through the bass tube chamber.

10. The earphone of claim 9 wherein the acoustic chambers include a front acoustic chamber and a rear acoustic chamber in communication with the bass chamber, the housing having a rear acoustic chamber aperture formed therein in communication with the rear acoustic chamber.