CN218103486U

CN218103486U - Micro loudspeaker monomer

Info

Publication number: CN218103486U
Application number: CN202221434289.4U
Authority: CN
Inventors: 林嘉平; 董庆宾
Original assignee: Weishi Technology Co ltd
Current assignee: Weishi Technology Co ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-12-20
Anticipated expiration: 2032-06-09

Abstract

The utility model discloses a miniature speaker monomer, including the basin frame and the separation net that link to each other, be equipped with leakage hole on the basin frame, the separation net includes body and flange structure, flange structure includes first turn-ups, the body covers leakage hole, the edge of body is close to towards a lateral buckling extension of basin frame forms first turn-ups, first turn-ups embedding in the basin frame, the body is the rectangle, at least a set of opposite side of body is equipped with respectively first turn-ups. Different from the technical scheme that the isolation net is only positioned on the inner surface or the outer surface of the frame in the prior art, at least one group of opposite sides of the isolation net in the miniature loudspeaker unit are respectively provided with a flanging structure embedded in the frame, so that the bonding force between the isolation net and the frame is greatly improved, and the risk that the isolation net is separated from the frame is reduced.

Description

Micro loudspeaker monomer

Technical Field

The utility model relates to an electroacoustic transducer technical field especially relates to miniature speaker monomer.

Background

In recent years, with the rapid development of mobile communication technology, consumers increasingly use mobile communication devices with voice functions, such as portable phones, handheld game consoles, portable computers, laptop computers, multimedia players and other devices capable of communicating over public or private communication networks. The sound generator is used as a voice playing device, and the performance of the mobile communication equipment is directly influenced by the good and bad design of the sound generator.

In the related art, the sounder includes a vibration assembly, a magnetic circuit assembly driving the vibration assembly to vibrate and sound, and a frame accommodating the vibration assembly and the magnetic circuit assembly. The vibrating diaphragm of the vibrating component is used as a boundary, the inner space of the sounder is divided into a front sound cavity and a rear sound cavity, the basin frame of the sounder is provided with a leakage hole for communicating the rear sound cavity of the sounder and the outer space of the sounder, and the sounder is provided with an isolation net covering the leakage hole. However, the soft separation net is only attached to the surface of the frame, the combination force of the separation net and the frame is poor, and the separation net is sometimes separated from the frame.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: provides a micro loudspeaker monomer with a large bonding force between an isolation net and a basin frame.

In order to solve the technical problem, the utility model discloses a technical scheme be: miniature speaker monomer is equipped with including continuous basin frame and separation net on the basin frame and lets out the leakage hole, the separation net includes body and flange structure, flange structure includes first turn-ups, the body covers let out the leakage hole, the edge of body is towards being close to the lateral buckling of basin frame extends and forms first turn-ups, first turn-ups embedding in the basin frame, the body is the rectangle, at least a set of opposite side of body is equipped with respectively first turn-ups.

Furthermore, the two groups of opposite sides of the body are respectively provided with the first flanges.

Further, two adjacent first turned-over edges are connected through an arc-shaped part.

Furthermore, the flanging structure is provided with a glue fixing structure.

Furthermore, the glue fixing structure is a dovetail groove or a through hole.

Furthermore, the body is positioned on the inner side of the basin frame, and the outer side surface of the body is connected with the basin frame; or the body is positioned on the outer side of the basin frame, and the inner side surface of the body is connected with the basin frame.

Further, the first flanging is perpendicular to the body.

Furthermore, the flanging structure further comprises a second flanging, one end, far away from the body, of the first flanging is connected with the second flanging, and the second flanging and the first flanging are not arranged in the same plane.

Furthermore, the flanging structure further comprises a third flanging, one end, far away from the first flanging, of the second flanging is connected with the third flanging, and the third flanging and the second flanging are arranged in a non-coplanar mode.

Further, the second flanging is perpendicular to the first flanging and the third flanging respectively.

The beneficial effects of the utility model reside in that: different from the technical scheme that the isolation net is only positioned on the inner surface or the outer surface of the frame in the prior art, at least one group of opposite sides of the isolation net in the miniature loudspeaker unit are respectively provided with a flanging structure embedded in the frame, so that the bonding force between the isolation net and the frame is greatly improved, and the risk that the isolation net is separated from the frame is reduced.

Drawings

Fig. 1 is an exploded view of a micro speaker unit according to a first embodiment of the present invention;

fig. 2 is a cross-sectional view of a micro-speaker unit according to a first embodiment of the present invention;

FIG. 3 is an enlarged view of detail A in FIG. 2;

fig. 4 is a schematic structural diagram of an isolation mesh in a micro speaker unit according to a first embodiment of the present invention;

fig. 5 is a schematic structural diagram of a second isolation mesh in a micro speaker unit according to a first embodiment of the present invention;

fig. 6 is a schematic structural diagram of a third isolation mesh in a micro-speaker unit according to a first embodiment of the present invention;

fig. 7 is a schematic structural diagram of an isolation mesh in a micro speaker unit according to a second embodiment of the present invention;

fig. 8 is a cross-sectional view of a part of the structure of a micro-speaker unit according to a third embodiment of the present invention;

fig. 9 is a cross-sectional view of a part of the structure of a micro-speaker unit according to a fourth embodiment of the present invention;

fig. 10 is a schematic structural diagram of an isolation mesh in a micro speaker unit according to a fourth embodiment of the present invention;

fig. 11 is a cross-sectional view of a part of the structure of a micro-speaker unit according to a fifth embodiment of the present invention;

fig. 12 is a schematic structural diagram of an isolation mesh in a micro speaker unit according to a fifth embodiment of the present invention.

Description of reference numerals:

1. a basin stand; 11. a leak hole;

2. a front cover;

31. a centering support; 32. vibrating diaphragm; 33. a voice coil; 34. sticking the middle layer;

4. a magnetic circuit component; 41. a magnetic gap;

5. an isolation net; 51. a body; 52. a flanging structure; 521. a first flanging; 522. an arc-shaped portion; 523. second flanging; 524. third flanging; 53. and (5) fixing the adhesive structure.

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 12, the micro speaker unit includes a frame 1 and an isolation net 5 connected to each other, a leakage hole 11 is formed in the frame 1, the isolation net 5 includes a body 51 and a flange structure 52, the flange structure 52 includes a first flange 521, the body 51 covers the leakage hole 11, the edge of the body 51 is bent and extended toward one side close to the frame 1 to form the first flange 521, the first flange 521 is embedded in the frame 1, the body 51 is rectangular, and at least one group of opposite sides of the body 51 are respectively provided with the first flange 521.

From the above description, the beneficial effects of the present invention are: different from the technical scheme that the isolation net 5 is only positioned on the inner surface or the outer surface of the basin frame 1 in the prior art, in the miniature loudspeaker unit, at least one group of opposite sides of the isolation net 5 are respectively provided with the flanging structures 52 embedded in the basin frame 1, so that the bonding force between the isolation net 5 and the basin frame 1 is greatly improved, and the risk that the isolation net 5 is separated from the basin frame 1 is reduced. Meanwhile, the flanging structure 52 can also improve the poor appearance of the plastic such as shrinkage caused by excessive plastic at the corresponding position of the basin frame 1.

Further, the two sets of opposite sides of the body 51 are respectively provided with the first flanges 521.

As can be seen from the above description, the two sets of opposite sides of the body 51 are respectively provided with the first flanges 521, so that the binding force between the separation net 5 and the basin stand 1 can be further improved.

Further, two adjacent first flanges 521 are connected by an arc portion 522.

As can be seen from the above description, the integral flanging structure 52 is in the shape of a ring frame, which not only can improve the bonding force between the isolation net 5 and the basin stand 1, but also can improve the structural stability of the isolation net 5 itself.

Furthermore, a glue fixing structure 53 is arranged on the flanging structure 52.

Further, the glue fixing structure 53 is a dovetail groove or a through hole.

As can be seen from the above description, the adhesive fixing structure 53 can improve the bonding force between the separation net 5 and the frame 1 to a greater extent.

Further, the body 51 is positioned on the inner side of the frame 1, and the outer side surface of the body 51 is connected with the frame 1; or, the body 51 is located on the outer side of the frame 1, and the inner side surface of the body 51 is connected with the frame 1.

From the above description, the micro-speaker unit has a wide variety.

Further, the first turned-over edge 521 is perpendicular to the body 51.

Further, the flange structure 52 further includes a second flange 523, one end of the first flange 521, which is far away from the body 51, is connected to the second flange 523, and the second flange 523 and the first flange 521 are not arranged in the same plane.

From the above description, the existence of the second turned-over edge 523 can increase the bonding area of the frame 1 and the isolation net 5, thereby improving the bonding force between the isolation net 5 and the frame 1. The first turned-up edge 521 and the second turned-up edge 523 are not coplanar, so that a first included angle is formed at the transition position of the first turned-up edge 521 and the second turned-up edge 523, and the first included angle can prevent the turned-up edge structure 52 from being separated from the basin frame 1.

Further, the flange structure 52 further includes a third flange 524, one end of the second flange 523, which is far away from the first flange 521, is connected to the third flange 524, and the third flange 524 and the second flange 523 are not arranged in a same plane.

As can be seen from the above description, the presence of the third flange 524 can increase the bonding area between the frame 1 and the separation net 5, thereby improving the bonding force between the separation net 5 and the frame 1. The third flange 524 and the second flange 523 are not coplanar, so that a second included angle is formed at the transition position of the third flange 524 and the second flange 523, and the existence of the second included angle can prevent the flange structure 52 from separating from the basin stand 1.

Further, the second turned edge 523 is perpendicular to the first turned edge 521 and the third turned edge 524, respectively.

Example one

Referring to fig. 1 to 6, a first embodiment of the present invention is: the micro-speaker monomer can be applied to various electronic devices capable of producing sound, such as a portable phone, a handheld game machine, a portable computer, a laptop computer, a multimedia player and the like.

Referring to fig. 1 to 4, the micro speaker unit includes a frame 1, a front cover 2, and a vibration component and a magnetic circuit component 4 respectively disposed on the frame 1, where the vibration component includes a centering support 31, a diaphragm 32, a voice coil 33, and a middle paste 34, the middle paste 34 is disposed on the diaphragm 32, the voice coil 33 is fixed on the centering support 31, the centering support 31 connects the diaphragm 32 with the frame 1, and the front cover 2 is connected with the diaphragm 32; magnetic circuit component 4 includes magnetic shield, limit magnet steel, center china department and limit china department, limit magnet steel and center magnet steel are located respectively on the magnetic shield, center china department is located on the top surface of center magnet steel, limit china department is located on basin frame 1 and with the top surface of limit magnet steel is connected fixedly, the quantity of limit magnet steel is a plurality of, center magnet steel is located at least a set of relative two that sets up between the limit magnet steel, center magnet steel with form between the limit magnet steel with voice coil loudspeaker voice coil 33 complex magnetic gap 41.

Be equipped with the leakage hole 11 of its inner surface of intercommunication and surface on the basin frame 1, leakage hole 11 department is equipped with separation net 5, separation net 5 includes body 51 and flanging structure 52, flanging structure 52 includes first turn-ups 521, body 51 covers leakage hole 11, the edge of body 51 is close to the lateral buckling of basin frame 1 extends and forms first turn-ups 521, first turn-ups 521 embedding in the basin frame 1, first turn-ups 521 embedding degree of depth in the basin frame 1 is greater than the thickness of first turn-ups 521.

The body 51 is rectangular, the first turned-over edges 521 are respectively arranged on at least one group of opposite sides of the body 51, that is, the two long sides of the body 51 are respectively connected with the first turned-over edges 521 or the two short sides of the body 51 are respectively connected with the first turned-over edges 521 (as shown in fig. 5), preferably, the first turned-over edges 521 are respectively arranged on two groups of opposite sides of the body 51, that is, the two long sides and the two short sides of the body 51 are respectively connected with the first turned-over edges 521 (as shown in fig. 6). It is further preferable that two adjacent first flanges 521 are connected by an arc portion 522, that is, the flange structure 52 is integrally ring-frame-shaped, that is, in this embodiment, the flange structure 52 is arranged in a circle along the edge of the body 51 (as shown in fig. 4).

Referring to fig. 2 and 3, in this embodiment, the body 51 is located on the inner side of the frame 1, and the first flange 521 is perpendicular to the body 51. In other embodiments, the included angle between the first flange 521 and the body 51 may be an acute angle or an obtuse angle.

In order to facilitate processing and manufacturing and further improve the binding force between the basin frame 1 and the isolation net 5, the basin frame 1 and the isolation net 5 are preferably of an integral structure formed by insert injection molding. In the process of insert injection molding, both sides of the central area of the separation net 5 are abutted by the mold fixing blocks. After the basin stand 1 is formed, the leakage hole 11 is formed at the original position of a die fixing block.

It is easy to understand that the material of the separation net 5 can be either a metal material or a non-metal material.

The isolation net 5 is provided with a plurality of air holes, and part of the isolation net 5 is provided with the air holes, for example, the area corresponding to the leakage holes 11, or all the areas of the isolation net 5 are provided with the air holes.

Example two

Referring to fig. 7, the second embodiment of the present invention is a further improvement of the isolation net 5 on the basis of the first embodiment, and the difference between the first embodiment and the second embodiment is: the flanging structure 52 is provided with a glue fixing structure 53.

The glue fixing structure 53 is a dovetail groove or a through hole, in the embodiment, the glue fixing structure 53 is a dovetail groove, in other embodiments, when the through hole is selected as the glue fixing structure 53, the through hole can be an air hole originally existing on the isolation net 5, or can be a hole additionally arranged on the isolation net 5, and at the moment, the diameter of the hole is larger than the aperture of the air hole, so that glue can enter the through hole more smoothly, and the binding force between the isolation net 5 and the basin stand is ensured.

EXAMPLE III

Referring to fig. 8, a third embodiment of the present invention is a parallel technical solution of the first embodiment, and is different from the first embodiment in that: the body 51 is positioned on the outer side of the basin stand 1, and the inner side surface of the body 51 is connected with the basin stand 1.

Example four

Referring to fig. 9 and 10, a fourth embodiment of the present invention is a further improvement of the isolation net 5 on the basis of the first embodiment, and is different from the first embodiment in that: the flanging structure 52 further comprises a second flanging 523, one end of the first flanging 521, which is far away from the body 51, is connected with the second flanging 523, and the second flanging 523 and the first flanging 521 are not arranged in the same plane.

In this embodiment, the second turned-up edge 523 is perpendicular to the first turned-up edge 521, and in other embodiments, the second turned-up edge 523 and the first turned-up edge 521 may also be arranged at an acute angle or an obtuse angle.

In addition, part or all of the area of the glue fixing structure may be disposed on the second flange 523.

EXAMPLE five

Referring to fig. 11 and 12, a fifth embodiment of the present invention is a further improvement of the isolation net 5 on the basis of the fourth embodiment, and is different from the fourth embodiment in that: the flange structure 52 further includes a third flange 524, one end of the second flange 523, which is far away from the first flange 521, is connected to the third flange 524, and the third flange 524 and the second flange 523 are not coplanar.

In this embodiment, the second turned edge 523 is perpendicular to the first turned edge 521 and the third turned edge 524, respectively. In other embodiments, the second turned-over edge 523 and the first turned-over edge 521 may also be disposed at an acute angle or an obtuse angle, and similarly, the third turned-over edge 524 and the second turned-over edge 523 may also be disposed at an acute angle or an obtuse angle.

In addition, part or all of the area of the glue fixing structure may be disposed on the third flange 524.

To sum up, the utility model provides a miniature speaker monomer, at least a set of opposite side of separation net have the turn-ups structure of embedding basin frame in respectively for the cohesion of separation net and basin frame is increased substantially, has reduced the risk that the separation net breaks away from the basin frame. The flanging structure is in a ring frame shape, so that the structural stability of the isolation net can be ensured, and the binding force of the isolation net and the basin stand can be increased. The flanging structure is provided with a glue fixing structure, so that the structural stability of the miniature loudspeaker is further improved.

The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, 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. Miniature speaker monomer is equipped with on the basin frame and leaks hole, its characterized in that including basin frame and the separation net that links to each other: the isolation net comprises a body and a flanging structure, the flanging structure comprises a first flanging, the body covers the leakage hole, the edge of the body is bent towards one side close to the basin frame and extends to form the first flanging, the first flanging is embedded into the basin frame, the body is rectangular, and at least one group of opposite sides of the body are respectively provided with the first flanging.

2. A micro-speaker cell as claimed in claim 1, wherein: the two groups of opposite sides of the body are respectively provided with the first flanges.

3. A micro-speaker cell as claimed in claim 2, wherein: two adjacent first turn-ups pass through the arc portion and link to each other.

4. A microspeaker unit as defined in claim 1 wherein: and the flanging structure is provided with a glue fixing structure.

5. The micro-speaker cell of claim 4, wherein: the glue fixing structure is a dovetail groove or a through hole.

6. A micro-speaker cell as claimed in claim 1, wherein: the body is positioned on the inner side of the basin stand, and the outer side surface of the body is connected with the basin stand; or the body is positioned on the outer side of the basin frame, and the inner side surface of the body is connected with the basin frame.

7. A micro-speaker cell as claimed in claim 1, wherein: the first flanging is perpendicular to the body.

8. A microspeaker unit as defined in claim 1 wherein: the flanging structure further comprises a second flanging, one end, far away from the body, of the first flanging is connected with the second flanging, and the second flanging and the first flanging are not arranged in the same plane.

9. A micro-speaker cell as claimed in claim 8, wherein: the flanging structure further comprises a third flanging, one end, far away from the first flanging, of the second flanging is connected with the third flanging, and the third flanging and the second flanging are not arranged in the same plane.

10. A micro-speaker cell as claimed in claim 9, wherein: the second flanging is respectively vertical to the first flanging and the third flanging.