CN213586152U

CN213586152U - Miniature speaker module

Info

Publication number: CN213586152U
Application number: CN202022344816.XU
Authority: CN
Inventors: 林嘉平
Original assignee: Yiyang Xinwei Acoustic Technology Co Ltd
Current assignee: Yiyang Xinwei Acoustic Technology Co Ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-06-29
Anticipated expiration: 2030-10-20

Abstract

The utility model discloses a miniature speaker module, including half module casing and speaker monomer, be equipped with the monomer barricade on the half module casing, the speaker monomer is acceptd and is fixed in the region that the monomer barricade encloses, is equipped with sealed glue between monomer barricade and the speaker monomer, the speaker monomer includes the basin frame, is equipped with the bullet foot on the basin frame, has the platform of dodging that sets up corresponding to the expansion end of bullet foot on the basin frame, dodges and is equipped with the division wall on the platform, the division wall is used for sealing to dodge all around of platform in order to enclose the blind hole column structure that supplies the expansion end activity on dodging the platform. The isolation wall is arranged on the avoidance platform to form a blind hole-shaped structure for the movable end of the elastic foot to move, so that the sealant can not interfere with the stroke of the elastic foot, the elastic foot can be prevented from being over-pressurized, and the high performance of the miniature loudspeaker module is ensured; the design complexity of the half module shell production mold is reduced, and the cost is favorably controlled; the gluing path is regular, and the gluing efficiency is high.

Description

Miniature speaker module

Technical Field

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

Background

At present, with the development of electronic products, the market demands electronic products with high color value, and mobile phones are also thin and beautiful, and in order to realize the reduction of the thickness of the mobile phones, the speaker is generally designed into a half module. The loudspeaker of half module form needs to contact in order to realize the function through bullet foot and complete machine FPC on the speaker monomer, and when bullet foot and complete machine FPC contact, complete machine FPC can press bullet foot and play foot interference contact in order to guarantee good acoustic performance.

As shown in fig. 1, the micro speaker module includes a half module housing 1 and a speaker unit 2, a unit retaining wall 3 is disposed on the half module housing 1, and the speaker unit 2 is accommodated and fixed in an area surrounded by the unit retaining wall 3. In the process of assembling the speaker module, sealant needs to be coated at the gap between the single retaining wall 3 and the speaker single body 2, but in the actual manufacturing process, the sealant easily overflows onto the speaker single body 2 (mainly on the supporting plane corresponding to the movable end 8 of the elastic pin 6), so that the movable stroke of the elastic pin 6 is insufficient, and the speaker module assembly can cause the elastic pin 6 to fail due to overvoltage to cause poor acoustic performance after being assembled.

In order to solve the above problems, the prior art adopts the following scheme: the position of the single retaining wall 3 corresponding to the elastic feet 6 is provided with the avoiding structure 14, when sealant is coated on the periphery of the loudspeaker single body 2, the sealant can flow into the avoiding structure 14, the sealant is effectively prevented from overflowing to the support surface 10 of the avoiding platform corresponding to the movable end 8 of the elastic feet 6, and the sealant cannot interfere with the stroke of the elastic feet 6.

However, this solution requires that the half module housing of each speaker module has an avoiding structure, which will undoubtedly increase the complexity of the mold and thus the cost. Simultaneously, because beat the instability of gluing the coating process, can not solve sealed glue completely and overflow on the support plane that the active end that the speaker monomer corresponds the bullet foot corresponds, and dodge the structure and can occupy the rear chamber volume of speaker module, hinder the promotion of acoustic performance, in addition, dodge structure department, beat the route of gluing and also must adjust and make it keep away from the speaker monomer as far as, increased and beaten the route of gluing, the influence is beaten and is glued production efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: a high performance micro speaker module is provided which is convenient to produce.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a miniature speaker module, includes half module casing and speaker monomer, is equipped with the monomer barricade on the half module casing, the speaker monomer is acceptd and is fixed in the region that the monomer barricade encloses, the monomer barricade with be equipped with sealed glue between the speaker monomer, the speaker monomer includes the basin frame, be equipped with the bullet foot on the basin frame, have on the basin frame corresponding to the platform is dodged to the expansion end setting of bullet foot, be equipped with the division wall on dodging the platform, the division wall is used for sealing dodge the platform around with dodge and enclose into the confession on the platform the blind hole column structure of expansion end activity.

Furthermore, the basin frame and the isolation wall are of an integrated structure.

Further, the basin frame and the isolation wall are integrally formed in an injection molding mode.

Furthermore, the bottom surface of the inner side of the blind hole-shaped structure is a supporting surface for supporting the movable end.

Furthermore, the inner side of the opening end of the single retaining wall is provided with a chamfer.

Furthermore, the avoidance platform is communicated with one side surface of the basin frame, and the isolation wall is in a straight shape.

Furthermore, the avoidance platform is communicated with two adjacent side faces of the basin frame, and the isolation wall is L-shaped.

Further, the elastic feet are arranged close to the corners of the basin frame.

Furthermore, a bonding pad which is welded and conducted with the elastic pin is arranged on the basin frame.

Furthermore, the basin frame is also provided with an avoiding notch for avoiding the elastic foot.

The beneficial effects of the utility model reside in that: the separation wall is arranged on the avoidance platform to form a blind hole-shaped structure for the movable end of the elastic foot to move, so that the sealant is effectively prevented from overflowing into the movable area of the movable end of the elastic foot in the gluing process, the sealant is prevented from interfering the stroke of the elastic foot, the elastic foot is prevented from being over-pressed, and the high performance of the miniature loudspeaker module is further ensured; need not to set up again on the monomer fender wall and dodge the groove, reduced half module casing production mould's design complexity, do benefit to control cost, can not occupy speaker module's back chamber volume, do benefit to the promotion of acoustic performance, in addition, beat and glue the route rule, beat and glue efficiently.

Drawings

FIG. 1 is a schematic diagram of a micro speaker module according to the prior art;

fig. 2 is a schematic structural diagram of a micro speaker module according to a first embodiment of the present invention;

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

fig. 4 is a cross-sectional view of a micro speaker module according to a first embodiment of the present invention;

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

Description of reference numerals:

1. a half module housing; 2. a speaker unit; 3. a single retaining wall; 4. sealing glue; 5. a basin stand; 6. a spring foot; 7. a partition wall; 8. a movable end; 9. a blind hole-like structure; 10. a support surface; 11. chamfering; 12. a pad; 13. avoiding the notch; 14. an avoidance 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.

Please refer to fig. 2 to 5, a miniature speaker module, includes half module casing 1 and speaker monomer 2, is equipped with monomer barricade 3 on half module casing 1, speaker monomer 2 is acceptd and is fixed in the region that monomer barricade 3 encloses, monomer barricade 3 with be equipped with sealed glue 4 between the speaker monomer 2, speaker monomer 2 includes basin frame 5, be equipped with bullet foot 6 on the basin frame 5, have on the basin frame 5 corresponding to the platform is dodged to the expansion end 8 of bullet foot 6 sets up, dodge and be equipped with division wall 7 on the platform, division wall 7 is used for sealing dodge the platform around with dodge to enclose on the platform and enclose into the confession the blind hole column structure 9 that expansion end 8 moved about.

From the above description, the beneficial effects of the present invention are: the separation wall 7 is arranged on the avoidance platform to form a blind hole-shaped structure 9 for the movable end 8 of the elastic foot 6 to move, so that the sealant 4 is effectively prevented from overflowing into the movable area of the movable end 8 of the elastic foot 6 in the gluing process, the sealant 4 is prevented from interfering the stroke of the elastic foot 6, the elastic foot 6 is prevented from being over-pressurized, and the high performance of the miniature loudspeaker module is ensured; need not to set up again on the monomer barricade 3 and dodge the groove, reduced half module casing 1 production mould's design complexity, do benefit to control cost, can not occupy the rear chamber volume of speaker module, do benefit to the promotion of acoustic performance, in addition, beat and glue the route rule, beat and glue efficiently.

Further, the basin stand 5 and the partition wall 7 are of an integrated structure.

Further, the basin stand 5 and the isolation wall 7 are integrally formed by injection molding.

As can be seen from the above description, the partition wall 7 is easily formed and stably coupled to the frame 5.

Further, the inner bottom surface of the blind hole-shaped structure 9 is a supporting surface 10 for supporting the movable end 8.

Further, a chamfer 11 is arranged on the inner side of the opening end of the single retaining wall 3.

As can be seen from the above description, the provision of the chamfer 11 facilitates the sealant 4 to smoothly flow into the gap between the speaker unit 2 and the unit retaining wall 3, which is beneficial to ensuring the sealing performance and acoustic performance of the micro-speaker.

Furthermore, the avoidance platform is communicated with one side surface of the basin frame 5, and the isolation wall 7 is in a straight shape.

Furthermore, the avoidance platform is communicated with two adjacent side faces of the basin frame 5, and the isolation wall 7 is L-shaped.

As can be seen from the above description, the specific construction of the partition wall 7 is set up according to the structure of the evacuation platform.

Further, the elastic feet 6 are arranged close to the corners of the basin stand 5.

Furthermore, a bonding pad 12 which is welded and conducted with the spring pin 6 is arranged on the basin frame 5.

Furthermore, the basin frame 5 is also provided with an avoiding notch 13 for avoiding the elastic foot 6.

As can be seen from the above description, the arrangement of the avoiding gap 13 can prevent the elastic foot 6 from interfering with the basin stand 5.

Example one

Referring to fig. 2 to 5, a first embodiment of the present invention is: a micro speaker module can be used in electronic products such as mobile phones, tablet computers, video cameras and the like.

The miniature loudspeaker module comprises a half module shell 1 and a loudspeaker single body 2, wherein a single retaining wall 3 is arranged on the half module shell 1, the loudspeaker single body 2 is accommodated and fixed in an area surrounded by the single retaining wall 3, sealant 4 is arranged between the single retaining wall 3 and the loudspeaker single body 2, the loudspeaker single body 2 comprises a basin frame 5, elastic feet 6 are arranged on the basin frame 5, a dodging platform corresponding to a movable end 8 of the elastic feet 6 is arranged on the basin frame 5, a separation wall 7 is arranged on the dodging platform, the separation wall 7 is used for sealing the periphery of the dodging platform so as to form a blind hole-shaped structure 9 for the movable end 8 to move on the dodging platform, and the inner bottom surface of the blind hole-shaped structure 9 is a supporting surface 10 for supporting the movable end 8; in order to facilitate the manufacture of the micro speaker module, the frame 5 and the partition wall 7 are of an integral structure, and in this embodiment, the frame 5 and the partition wall 7 are integrally formed by injection molding.

As shown in fig. 5, unlike the open avoiding platform in the existing micro speaker module, the region for the movable end 8 of the elastic foot 6 to move in the embodiment is a blind hole, which can effectively prevent the sealant 4 from overflowing onto the inner bottom surface of the avoiding platform, and it is not necessary to provide an avoiding groove on the single retaining wall 3 as in the prior art. It is easy to understand that the specific structure of the partition wall 7 depends on the structure of the avoidance platform, specifically, when the avoidance platform is communicated with one side surface of the basin rack 5, only the partition wall 7 needs to be arranged at the position corresponding to the side surface, and at this time, the partition wall 7 may be in a straight shape; when the avoidance platform communicates with two adjacent side surfaces of the frame 5, a partition wall 7 needs to be arranged at a position corresponding to the two adjacent side surfaces, and at this time, the partition wall 7 may be L-shaped (as shown in fig. 5). It should be noted that the partition wall 7 may also be curved or have other shapes as long as the blind hole structure 9 can be formed. However, in order to facilitate the processing and ensure the aesthetic appearance of the overall contour of the speaker unit 2, it is preferable that the installation position and shape of the partition wall 7 conform to the overall contour of the frame 5, and in short, the outer side surface of the partition wall 7 is flush with the outer side surface of the frame 5 corresponding thereto.

Referring to fig. 2 and 4, in order to facilitate the installation and gluing of the speaker unit 2, a chamfer 11 is disposed on the inner side of the opening end of the unit retaining wall 3.

The elastic feet 6 are arranged close to the corners of the basin stand 5.

The basin stand 5 is provided with a pad 12 which is welded and conducted with the elastic pin 6, and it should be noted that the elastic pin 6 is an elastic piece connector.

Optionally, an avoiding notch 13 for avoiding the elastic foot 6 is further arranged on the basin frame 5.

To sum up, the utility model provides a miniature speaker module, low in manufacturing cost, the acoustic performance is superior, can realize the high performance; the half module shell production mold is simple in design, the gluing path is regular, and the gluing efficiency is high.

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. The utility model provides a miniature speaker module, includes half module group casing and speaker monomer, is equipped with the monomer barricade on the half module group casing, the speaker monomer is acceptd and is fixed in the region that the monomer barricade encloses, the monomer barricade with be equipped with sealed glue between the speaker monomer, the speaker monomer includes the basin frame, be equipped with the bullet foot on the basin frame, have on the basin frame corresponding to the platform, its characterized in that are dodged to the expansion end setting of bullet foot: the avoidance platform is provided with a separation wall, and the separation wall is used for sealing the periphery of the avoidance platform so as to form a blind hole-shaped structure for the movable end to move on the avoidance platform.

2. The micro-speaker module of claim 1, wherein: the basin frame and the isolation wall are of an integrated structure.

3. The micro-speaker module of claim 2, wherein: the basin frame and the isolation wall are integrally formed by injection molding.

4. The micro-speaker module of claim 1, wherein: the bottom surface of the inner side of the blind hole-shaped structure is a supporting surface for supporting the movable end.

5. The micro-speaker module of claim 1, wherein: the inner side of the opening end of the single retaining wall is provided with a chamfer.

6. The micro-speaker module of claim 1, wherein: the avoidance platform is communicated with one side face of the basin frame, and the isolation wall is in a straight line shape.

7. The micro-speaker module of claim 1, wherein: the avoidance platform is communicated with two adjacent side faces of the basin frame, and the isolation wall is L-shaped.

8. The micro-speaker module of claim 1, wherein: the elastic foot is arranged close to the corner of the basin stand.

9. The micro-speaker module of claim 1, wherein: and the basin frame is provided with a pad which is welded and conducted with the elastic pin.

10. The micro-speaker module of claim 1, wherein: the basin frame is also provided with an avoiding notch for avoiding the elastic foot.