CN218103373U

CN218103373U - Miniature speaker module and terminal equipment

Info

Publication number: CN218103373U
Application number: CN202220535613.5U
Authority: CN
Inventors: 钟秋明; 文善杰
Original assignee: Weishi Technology Co ltd
Current assignee: Weishi Technology Co ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-12-20
Anticipated expiration: 2032-03-11

Abstract

The utility model discloses a micro loudspeaker module, which comprises a shell, a dust screen and a loudspeaker monomer, wherein the shell and the dust screen are connected with each other, the loudspeaker monomer is arranged in the shell, and the side wall of the shell is provided with a sound outlet corresponding to the loudspeaker monomer; the casing is equipped with still be equipped with the spread groove on the lateral wall of sound outlet, the dust screen is located with sliding in the spread groove in order to shelter from sound outlet or keep away from the casing. The micro loudspeaker module has simple structure and is convenient to produce and process; through set up the spread groove on the casing lateral wall, make dust screen slidable ground set up on the casing for can convenient and fast take out the dust screen when clearing up the dust screen, can not cause the damage to the dust screen simultaneously and lead to unable reutilization, effectively reduced the maintenance degree of difficulty and the maintenance cost of miniature speaker module.

Description

Miniature speaker module and terminal equipment

Technical Field

The utility model relates to an electroacoustic transducer technical field especially relates to a miniature speaker module and terminal equipment.

Background

With the advent of the mobile internet age, the number of smart mobile devices is increasing. At present, the functions of a mobile phone are diversified, wherein an important function is a high-quality music function, and a speaker in the mobile phone is one of the necessary conditions for realizing the high-quality music function. Traditional speaker module is generally direct to paste dustproof screen cloth on the sound outlet lateral surface, and dirty or the sound outlet of dustproof screen cloth receives the jam, need tear the clearance with dustproof screen cloth, leads to the gum that pastes to become invalid to make the impaired reutilization that can not of screen cloth.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: a micro speaker module with a novel structure and a terminal device with the micro speaker module are provided.

In order to solve the technical problem, the utility model discloses a technical scheme one is: a micro loudspeaker module comprises a shell, a dust screen and a loudspeaker single body, wherein the shell and the dust screen are connected, the loudspeaker single body is arranged in the shell, and a sound outlet is formed in the side wall of the shell corresponding to the loudspeaker single body; the casing is equipped with still be equipped with the spread groove on the lateral wall of sound outlet, the dust screen is located with sliding in the spread groove in order to shelter from sound outlet or keep away from the casing.

Furthermore, the dust screen comprises a support and a dust screen main body arranged on the support, the support is slidably arranged in the connecting groove, a window is arranged on the support corresponding to the sound outlet, and the dust screen main body shields the window.

Further, the support and the dust screen main body are connected through gluing, laser welding, screw connection or integrated into one piece.

Furthermore, the sound outlet penetrates through two wall surfaces of the connecting groove.

Further, the open formation of spread groove one end is imported and exported, the locating part has still set firmly on the casing lateral wall, be equipped with the slot hole on the support, the locating part passes the slot hole setting, the length direction of slot hole is on a parallel with the length direction of spread groove, the locating part is close to import and export the setting.

Further, the limiting part and the shell are in threaded connection, interference fit or integrally formed.

Further, the speaker monomer includes the basin frame and locates vibrating diaphragm subassembly on the basin frame, be equipped with in the casing with speaker monomer complex mounting groove, the mounting groove bottom surface with form the ante-chamber between the vibrating diaphragm subassembly, the ante-chamber with the sound outlet is linked together.

Furthermore, the casing includes epitheca and inferior valve that the cooperation is connected, be equipped with on the epitheca diapire the mounting groove, be equipped with on the epitheca lateral wall the sound outlet with the spread groove.

Furthermore, the bottom wall of the upper shell is provided with an annular boss protruding towards the direction close to the lower shell, the inner side of the annular boss forms the mounting groove, and the inner side of the annular boss is provided with a limiting waistcoat for abutting against the basin stand, so that the front cavity is formed between the vibrating diaphragm assembly and the bottom surface of the mounting groove.

In order to solve the technical problem, the utility model discloses a technical scheme two be: terminal equipment, including equipment shell, be equipped with foretell miniature speaker module in the equipment shell.

The beneficial effects of the utility model reside in that: the micro loudspeaker module has a simple structure and is convenient to produce and process; through set up the spread groove on the casing lateral wall, make dust screen slidable ground set up on the casing for can convenient and fast take out the dust screen when clearing up the dust screen, can not cause the damage to the dust screen simultaneously and lead to unable reutilization, effectively reduced the maintenance degree of difficulty and the maintenance cost of miniature speaker module.

Drawings

Fig. 1 is a schematic view of an overall structure of a micro speaker module according to a first embodiment of the present invention;

fig. 2 is an exploded view of a micro speaker module according to a first embodiment of the present invention;

fig. 3 is a cross-sectional view of a micro speaker module according to a first embodiment of the present invention;

fig. 4 is an enlarged detail view of a portion a in fig. 3.

Description of reference numerals:

1. a housing; 11. an upper shell; 111. a sound outlet; 112. connecting grooves; 113. an inlet and an outlet; 114. mounting grooves; 115. an annular boss; 116. a limiting waistcoat; 117. a pin hole; 12. a lower case;

2. a dust screen; 21. a support; 211. a window; 212. a long hole; 22. a dust screen main body;

3. a speaker unit; 31. a basin stand;

4. a limiting member;

5. a flexible circuit board.

Detailed Description

In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

Referring to fig. 1 to 4, a micro speaker module includes a housing 1, a dust screen 2, and a speaker unit 3 disposed in the housing 1, where a sound outlet 111 is disposed on a side wall of the housing 1 corresponding to the speaker unit 3; the casing 1 is equipped with still be equipped with on the lateral wall of sound outlet 111 and connect the groove 112, dust screen 2 is located with sliding in the connect groove 112 in order to shelter from sound outlet 111 or keep away from casing 1.

From the above description, the beneficial effects of the present invention are: the micro loudspeaker module has a simple structure and is convenient to produce and process; through set up spread groove 112 on the casing 1 lateral wall, make dust screen 2 slidable ground set up on casing 1 for can convenient and fast take out dust screen 2 when clearing up dust screen 2, can not cause the damage to dust screen 2 simultaneously and lead to unable reutilization, effectively reduced miniature speaker module's the maintenance degree of difficulty and maintenance cost.

Further, the dust screen 2 includes a support 21 and a dust screen main body 22 disposed on the support 21, the support 21 is slidably disposed in the connecting groove 112, a window 211 is disposed on the support 21 corresponding to the sound outlet 111, and the dust screen main body 22 shields the window 211.

As can be seen from the above description, the bracket 21 can improve the structural strength of the dust screen 2, so that the dust screen 2 is not easily deformed by force during sliding or cleaning in the connecting groove 112, and the dust screen 2 can be reused.

Further, the bracket 21 and the dust screen main body 22 are connected by gluing, laser welding, screwing or integrally forming.

As can be seen from the above description, the bracket 21 and the dust screen main body 22 can be connected in different ways according to the production or working requirements.

Further, the sound outlet 111 is disposed through two wall surfaces of the connection groove 112.

As can be seen from the above description, when the dust screen 2 slides into the connecting slot 112 to shield the sound outlet 111, both sides of the window 211 of the bracket 21 can be limited by the wall surface of the connecting slot 112, so as to prevent the bracket 21 from bending or even breaking due to external force acting on one side, and further expose the sound outlet 111.

Further, one end of the connecting groove 112 is opened to form an inlet and an outlet 113, a limiting member 4 is further fixedly arranged on the side wall of the housing 1, a long hole 212 is formed in the support 21, the limiting member 4 penetrates through the long hole 212, the length direction of the long hole 212 is parallel to the length direction of the connecting groove 112, and the limiting member 4 is close to the inlet and the outlet 113.

As can be seen from the above description, the sliding connection structure between the bracket 21 and the housing 1 is simple and convenient for production and manufacture; the limiting member 4 is matched with the slot 212, so that the sliding stroke of the dust screen 2 can be limited, and the dust screen 2 is prevented from being completely separated from the shell 1 and lost.

Further, the limiting member 4 is in threaded connection, interference fit or integrally formed with the housing 1.

As can be seen from the above description, the connection between the limiting member 4 and the housing 1 can be selected according to different working requirements or production requirements.

Further, the speaker unit 3 includes the basin frame 31 and locates the vibrating diaphragm subassembly on the basin frame 31, be equipped with in the casing 1 with speaker unit 3 complex mounting groove 114, the mounting groove 114 bottom surface with form the ante-chamber between the vibrating diaphragm subassembly, the ante-chamber with the sound outlet 111 is linked together.

Further, the casing 1 includes an upper casing 11 and a lower casing 12 that are connected in a matching manner, the mounting groove 114 is formed in the bottom wall of the upper casing 11, and the sound outlet 111 and the connecting groove 112 are formed in the side wall of the upper casing 11.

Further, an annular boss 115 protruding towards a direction close to the lower shell 12 is arranged on the bottom wall of the upper shell 11, the mounting groove 114 is formed on the inner side of the annular boss 115, and a limiting waistcoat 116 for abutting against the basin stand 31 is arranged on the inner side of the annular boss 115, so that the front cavity is formed between the diaphragm assembly and the bottom surface of the mounting groove 114.

As can be seen from the above description, the housing 1 has a simple structure, and is advantageous for mass production.

Terminal equipment, including the equipment shell, be equipped with foretell miniature speaker module in the equipment shell.

Example one

Referring to fig. 1 to 4, a first embodiment of the present invention is: a miniature loudspeaker module can be widely applied to portable electronic equipment such as mobile phones, notebook computers, hearing aids and intelligent watches.

The micro loudspeaker module comprises a shell 1, a dust screen 2 and a loudspeaker single body 3, wherein the shell 1 and the dust screen 2 are connected, the loudspeaker single body 3 is arranged in the shell 1, and a sound outlet 111 is formed in the side wall of the shell 1 and corresponds to the loudspeaker single body 3; the casing 1 is equipped with still be equipped with on the lateral wall of sound outlet 111 and connect the groove 112, dust screen 2 is located with sliding in the connect groove 112 in order to shelter from sound outlet 111 or keep away from casing 1.

Specifically, in the present embodiment, the entire housing 1 has a rectangular shape, and the length direction of the connecting slot 112 is parallel to the length direction of the housing 1. The whole dust screen 2 is rectangular, the width of the dust screen 2 is less than or equal to the depth of the connecting groove 112, and the length of the dust screen 2 is less than or equal to the length of the connecting groove 112, so that the dust screen 2 can be completely accommodated in the connecting groove 112, and the dust screen 2 is prevented from accidentally slipping out of the connecting groove 112 due to stress or being collided with foreign objects to be abraded. The shell 1 is also internally provided with a flexible circuit board 5, and other components of the terminal equipment can be electrically connected with the loudspeaker single body 3 through the flexible circuit board 5.

As shown in fig. 2 and 4, the dust screen 2 includes a support 21 and a dust screen main body 22 disposed on the support 21, the support 21 is slidably disposed in the connecting groove 112, a window 211 is disposed on the support 21 corresponding to the sound outlet 111, and the dust screen main body 22 shields the window 211. The support 21 and the dust screen main body 22 are connected by gluing, laser welding, screwing or integrally forming. Specifically, the sound outlet 111 and the window 211 are correspondingly rectangular, and the length and the width of the window 211 are equal to those of the sound outlet 111. In this embodiment, the dust screen main body 22 and the bracket 21 are molded integrally in the mold; the support 21 is preferably made of plastic.

As shown in fig. 2, in a preferred embodiment, the sound outlet 111 is formed through both wall surfaces of the connection groove 112. In other embodiments, the sound outlet 111 may be disposed above or below the connecting groove 112.

As shown in fig. 1 and fig. 2, one end of the connecting groove 112 is open to form an inlet/outlet 113, a limiting member 4 is further fixedly disposed on the side wall of the housing 1, a long hole 212 is disposed on the bracket 21, the limiting member 4 passes through the long hole 212, the length direction of the long hole 212 is parallel to the length direction of the connecting groove 112, and the limiting member 4 is disposed near the inlet/outlet 113. The limiting piece 4 is in threaded connection with the shell 1, in interference fit or integrally formed.

As shown in fig. 2 and 4, in the present embodiment, the limiting member 4 is preferably a cylindrical pin, and a pin hole 117 that is in interference fit with the limiting member 4 is provided on a sidewall of the housing 1. The length of the limiting member 4 is less than or equal to the depth of the pin hole 117, so that the limiting member 4 is completely accommodated in the pin hole 117, and the friction between the limiting member 4 and a foreign object is avoided. When the dust screen 2 slides outward from the connecting groove 112 until the stopper 4 abuts against the end of the elongated hole 212, the dust screen main body 22 is completely exposed outside the housing 1.

As shown in fig. 2, the speaker unit 3 includes a frame 31 and a diaphragm assembly disposed on the frame 31, a mounting groove 114 is disposed in the housing 1 and is matched with the speaker unit 3, a front cavity is formed between the bottom surface of the mounting groove 114 and the diaphragm assembly, and the front cavity is communicated with the sound outlet 111. Specifically, the entire speaker unit 3 has a rectangular shape, and the mounting groove 114 has a rectangular shape corresponding to the speaker unit 3.

As shown in fig. 1 and 2, the housing 1 includes an upper housing 11 and a lower housing 12 that are connected in a matching manner, the bottom wall of the upper housing 11 is provided with the mounting groove 114, and the side wall of the upper housing 11 is provided with the sound outlet 111 and the connecting groove 112. Specifically, the side wall of the upper case 11 is further provided with the above-mentioned pin hole 117. The peripheral wall of the upper shell 11 is provided with a convex limit ring edge, the inner side of the peripheral wall of the lower shell 12 is provided with a step structure corresponding to the limit ring edge, and the peripheral surface of the limit ring edge is tightly matched with the side surface of the step structure, so that the upper shell 11 is matched and connected with the lower shell 12. The outer peripheral surface of the upper case 11 is connected to the outer peripheral surface of the lower case 12 to form a continuous curved surface, and the inner peripheral surface of the upper case 11 is connected to the inner peripheral surface of the lower case 12 to form a continuous curved surface.

As shown in fig. 2, the bottom wall of the upper case 11 is provided with an annular boss 115 protruding toward the direction close to the lower case 12, the mounting groove 114 is formed inside the annular boss 115, and a limiting step 116 for abutting against the frame 31 is provided inside the annular boss 115, so that the front cavity is formed between the diaphragm assembly and the bottom surface of the mounting groove 114. Specifically, the annular projection 115 is formed in a rectangular annular frame shape corresponding to the speaker unit 3, and a side wall of the annular projection 115 is integrated with a side wall of the upper case 11, so as to simplify the structure of the upper case 11.

The embodiment also comprises terminal equipment; the terminal equipment comprises an equipment shell, wherein the miniature loudspeaker module is arranged in the equipment shell.

In summary, the micro speaker module provided by the utility model has simple structure and is convenient for production and processing; through set up the spread groove on the casing lateral wall, make dust screen slidable ground set up on the casing for can convenient and fast take out the dust screen when clearing up the dust screen, can not cause the damage to the dust screen simultaneously and lead to unable reutilization, effectively reduced the maintenance degree of difficulty and the maintenance cost of miniature speaker module. The structural strength of the dust screen can be improved by arranging the support, so that the dust screen is not easy to deform due to stress during the sliding or cleaning process in the connecting groove, and the dust screen can be reused. The locating part is matched with the long hole, so that the sliding stroke of the dust screen can be limited, and the dust screen is prevented from being completely separated from the shell to cause loss.

The above mentioned is only the embodiment of the present invention, and the patent scope of the present invention is not limited thereby, and all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims

1. A micro loudspeaker module comprises a shell, a dust screen and a loudspeaker single body, wherein the shell and the dust screen are connected, the loudspeaker single body is arranged in the shell, and a sound outlet is formed in the side wall of the shell corresponding to the loudspeaker single body; the method is characterized in that: the casing is equipped with still be equipped with the spread groove on the lateral wall of sound outlet, the dust screen is located with sliding in the spread groove in order to shelter from sound outlet or keep away from the casing.

2. The micro-speaker module of claim 1, wherein: the dust screen comprises a support and a dust screen main body arranged on the support, the support is slidably arranged in the connecting groove, a window is arranged on the support corresponding to the sound outlet, and the dust screen main body shields the window.

3. The micro-speaker module of claim 2, wherein: the support with dust screen main part adhesive bonding, laser welding, screw connection or integrated into one piece.

4. The micro-speaker module of claim 2, wherein: the sound outlet penetrates through the two wall surfaces of the connecting groove.

5. The micro-speaker module of claim 4, wherein: open formation of spread groove one end is imported and exported, the locating part has still set firmly on the casing lateral wall, be equipped with the slot hole on the support, the locating part passes the slot hole sets up, the length direction of slot hole is on a parallel with the length direction of spread groove, the locating part is close to import and export the setting.

6. The micro-speaker module of claim 5, wherein: the limiting piece is in threaded connection with the shell, in interference fit with the shell or integrally formed.

7. The micro-speaker module of claim 1, wherein: the loudspeaker monomer includes the basin frame and locates vibrating diaphragm subassembly on the basin frame, be equipped with in the casing with loudspeaker monomer complex mounting groove, the mounting groove bottom surface with form the ante-chamber between the vibrating diaphragm subassembly, the ante-chamber with the sound outlet is linked together.

8. The micro-speaker module as recited in claim 7, wherein: the casing is equipped with on the epitheca bottom wall the mounting groove including epitheca and the inferior valve that the cooperation is connected, be equipped with on the epitheca lateral wall the sound outlet with the spread groove.

9. The micro-speaker module as recited in claim 8, wherein: the bottom wall of the upper shell is provided with an annular boss protruding towards the direction close to the lower shell, the inner side of the annular boss forms the mounting groove, and the inner side of the annular boss is provided with a limiting waistcoat for abutting against the basin stand, so that the vibrating diaphragm component and the bottom surface of the mounting groove form the front cavity.

10. Terminal equipment, including equipment shell, its characterized in that: the equipment housing is provided with the micro-speaker module set of any one of claims 1-9.