CN211959547U

CN211959547U - Miniature loudspeaker

Info

Publication number: CN211959547U
Application number: CN202020803537.2U
Authority: CN
Inventors: 钟秋明
Original assignee: Shenzhen Sunway Acoustics Technology Co Ltd
Current assignee: Shenzhen Sunway Acoustics Technology Co Ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-11-17
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses a micro loudspeaker, which comprises an outer shell, the shell includes ultrasonic bonding's first casing and second casing, the faying face department of first casing and second casing is equipped with disappointing passageway, disappointing passageway includes at least one kink, the both sides of disappointing passageway are equipped with the ultrasonic line respectively. This micro loudspeaker utilizes the setting to have the disappointing passageway of kink in the shell side to realize the damping effect, makes simultaneously disappointing passageway form both ends through the sealed orbit of disappointing that loses heart of ultrasonic line, has cancelled traditional damping net, does benefit to the material cost that reduces micro loudspeaker, simplifies micro loudspeaker's assembly process to micro loudspeaker's manufacturing cost has been reduced.

Description

Miniature loudspeaker

Technical Field

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

Background

With the advent of the mobile internet age, the number of smart mobile devices is increasing. Among the mobile devices, the mobile phone is undoubtedly the most common and portable mobile terminal device. At present, the functions of mobile phones are diversified, wherein an important function is a high-quality music function, and a micro speaker in a mobile phone is one of the necessary conditions for realizing the high-quality music function.

The micro-speaker comprises a shell and a speaker monomer arranged in the shell, wherein a traditional micro-speaker is generally provided with a circular air release hole (the air release hole has the function of enabling the air pressure inside and outside a rear cavity of the micro-speaker to be equal, and avoiding the failure of a tympanic membrane, a shriveled membrane and the like), and then a damping net is attached to the appearance surface of the shell to cover the air release hole.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: a micro-speaker with low manufacturing cost is provided.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a micro loudspeaker, includes the shell, the shell includes ultrasonic bonding's first casing and second casing, the faying face department of first casing and second casing is equipped with the passageway of disappointing, the passageway of disappointing includes at least one kink, the both sides of disappointing the passageway are equipped with the ultrasonic line respectively.

Further, the passageway of disappointing is including first section and the second section that is linked together, first section perpendicular to a side of shell, be the contained angle setting between first section and the second section.

Further, the first section is vertically connected with the second section.

Furthermore, at least one bending part is arranged on the second section.

Furthermore, the first shell comprises a bottom wall and a protective wall arranged along the periphery of the bottom wall, a block-shaped body is arranged on the inner side of the protective wall, the second section is arranged on the block-shaped body, and ultrasonic lines are respectively arranged on the block-shaped body and the protective wall.

Furthermore, the outside of the one end of diapire is kept away from to the dado be equipped with the sunken step portion of second casing complex, be equipped with the lug on the step portion, be equipped with on the second casing be used for right the lug keeps away the position mouthful, first section is located on the lug.

Further, the top surfaces of the block-shaped bodies, the top surfaces of the protective walls and the top surfaces of the convex blocks are coplanar.

Further, the ultrasonic line on the block-shaped body is arranged close to the second section.

Furthermore, the loudspeaker comprises a loudspeaker single body, wherein the loudspeaker single body is arranged in a cavity formed by connecting the first shell and the second shell.

Further, the speaker unit is fixed to the first housing.

The beneficial effects of the utility model reside in that: this micro loudspeaker utilizes the setting to have the disappointing passageway of kink in the shell side to realize the damping effect, makes simultaneously disappointing passageway form both ends through the sealed orbit of disappointing that loses heart of ultrasonic line, has cancelled traditional damping net, does benefit to the material cost that reduces micro loudspeaker, simplifies micro loudspeaker's assembly process to micro loudspeaker's manufacturing cost has been reduced.

Drawings

Fig. 1 is a side view of a micro-speaker according to a first embodiment of the present invention;

fig. 2 is a cross-sectional view of a micro-speaker 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 a micro-speaker according to a first embodiment of the present invention (after the second housing is hidden);

fig. 5 is an enlarged view of detail B in fig. 4.

Description of reference numerals:

1. a housing; 2. a speaker unit; 3. a first housing; 4. a second housing; 5. an air escape channel; 6. a bending section; 7. ultrasonic lines; 8. a first stage; 9. a second stage; 10. a bottom wall; 11. protecting the wall; 12. a block-shaped body; 13. a step portion; 14. a bump; 15. a position avoiding port.

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 5, a micro speaker includes a housing 1, the housing 1 includes a first housing 3 and a second housing 4 welded by ultrasonic, a junction surface of the first housing 3 and the second housing 4 is provided with an air release channel 5, the air release channel 5 includes at least one bending portion 6, and two sides of the air release channel 5 are respectively provided with an ultrasonic line 7.

From the above description, the beneficial effects of the present invention are: this micro loudspeaker utilizes setting up the passageway 5 that loses heart that has kink 6 in 1 side of shell to realize the damping effect, makes simultaneously lose heart passageway 5 through ultrasonic line seal and forms the sealed orbit that loses heart of both ends conduction perisporium, has cancelled traditional damping net, does benefit to the material cost that reduces micro loudspeaker, simplifies micro loudspeaker's assembly process to micro loudspeaker's manufacturing cost has been reduced.

Further, the passageway 5 loses heart including first section 8 and the second section 9 that is linked together, first section 8 perpendicular to a side of shell 1, be the contained angle setting between first section 8 and the second section 9.

As can be seen from the above description, the included angle between the first section 8 and the second section 9 can provide a certain damping effect, and therefore, the included angle can also be regarded as the bending part 6 to some extent. At the same time, the thus configured air-escape passage 5 can reduce the occupation of the space in the casing 1.

Further, the first section 8 is vertically connected to the second section 9.

Further, at least one bending part 6 is arranged on the second section 9.

As apparent from the above description, the bent portion 6 can block the air flow, thereby exerting a damping effect.

Further, the first housing 3 includes a bottom wall 10 and a protection wall 11 disposed along a periphery of the bottom wall 10, a block 12 is disposed inside the protection wall 11, the second segment 9 is disposed on the block 12, and the block 12 and the protection wall 11 are respectively provided with the ultrasonic wave line 7.

As will be clear from the above description, the arrangement of the blocks 12 allows the manufacturer to design the trajectory and dimensions of the second segment 9 according to the actual requirements.

Further, the outer side of the end, away from the bottom wall 10, of the protective wall 11 is provided with a sunken step portion 13 matched with the second shell 4, the step portion 13 is provided with a convex block 14, the second shell 4 is provided with a position avoiding opening 15 for avoiding the convex block 14, and the first section 8 is arranged on the convex block 14.

From the above description, the first and second housings are convenient to position and easy to assemble, which is beneficial to further improving the assembly efficiency of the micro-speaker.

Further, the top surfaces of the block-shaped bodies 12, the top surfaces of the protection walls 11 and the top surfaces of the bumps 14 are coplanar.

As can be seen from the above description, such an arrangement can reduce the difficulty in designing the joint surface between the second casing 4 and the first casing 3.

Further, the ultrasonic line 7 on the block-shaped body 12 is disposed near the second segment 9.

As can be seen from the above description, this is beneficial to ensure the assembly precision of the micro-speaker and improve the uniformity of the micro-speaker.

Furthermore, the loudspeaker unit 2 is further included, and the loudspeaker unit 2 is arranged in a cavity formed by connecting the first shell 3 with the second shell 4.

Further, the speaker unit 2 is fixed to the first housing 3.

Example one

Referring to fig. 1 to 5, a first embodiment of the present invention is: please refer to fig. 1 to 4, a micro speaker, which includes a housing 1 and a speaker unit 2 disposed in the housing 1, wherein the housing 1 includes a first housing 3 and a second housing 4 welded by ultrasonic, the first housing 3 is connected with the second housing 4 to form a cavity for accommodating the speaker unit 2, a junction surface of the first housing 3 and the second housing 4 is provided with an air release channel 5, the air release channel 5 is communicated with the cavity and an external space of the housing 1, the air release channel 5 includes at least one bending portion 6, and two sides of the air release channel 5 are respectively provided with an ultrasonic line 7. Alternatively, the speaker unit 2 is fixed to the first housing 3.

As shown in fig. 5, in this embodiment, the air leakage channel 5 includes a first section 8 and a second section 9 that are communicated with each other, the first section 8 is perpendicular to a side surface of the casing 1, and an included angle is formed between the first section 8 and the second section 9. Optionally, the first section 8 is vertically connected to the second section 9.

Preferably, at least one of the bending portions 6 is provided on the second section 9.

In detail, the first housing 3 includes a bottom wall 10 and a protection wall 11 disposed along a periphery of the bottom wall 10, a block 12 is disposed inside the protection wall 11, the second segment 9 is disposed on the block 12, and the block 12 and the protection wall 11 are respectively provided with the ultrasonic wave line 7. More specifically, the outer side of the end, away from the bottom wall 10, of the protective wall 11 is provided with a sunken step portion 13 matched with the second casing 4, the step portion 13 is provided with a convex block 14, as shown in fig. 1, the second casing 4 is provided with a position avoiding port 15 for avoiding the convex block 14, and the first section 8 is arranged on the convex block 14. As shown in fig. 5, preferably, the top surfaces of the block-shaped bodies 12, the top surfaces of the protection walls 11 and the top surfaces of the bumps 14 are coplanar, and the ultrasonic line 7 protrudes from the top surfaces of the bumps 14.

To sum up, the utility model provides a miniature speaker utilizes the disappointing passageway that has the kink that sets up to the side of the shell to realize the damping effect, makes the disappointing passageway form both ends and switches on the sealed orbit that loses heart of perisporium through the ultrasonic line is sealed simultaneously, has cancelled traditional damping net, does benefit to the material cost that reduces miniature speaker, simplifies miniature speaker's assembly process to miniature speaker's manufacturing cost has been reduced.

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 micro loudspeaker, includes the shell, the shell includes ultrasonic bonding's first casing and second casing, its characterized in that: the junction surface department of first casing and second casing is equipped with the passageway of disappointing, the passageway of disappointing includes at least one kink, the both sides of disappointing the passageway are equipped with the ultrasonic line respectively.

2. The micro-speaker of claim 1, wherein: the channel loses heart including first section and the second section that is linked together, first section perpendicular to a side of shell, be the contained angle setting between first section and the second section.

3. The micro-speaker of claim 2, wherein: the first section is vertically connected with the second section.

4. The micro-speaker of claim 2, wherein: the second section is provided with at least one bending part.

5. The micro-speaker of claim 2, wherein: the first shell comprises a bottom wall and a protective wall arranged along the periphery of the bottom wall, a block-shaped body is arranged on the inner side of the protective wall, the second section is arranged on the block-shaped body, and ultrasonic rays are arranged on the block-shaped body and the protective wall respectively.

6. The micro-speaker of claim 5, wherein: the outside of the one end of diapire is kept away from to the dado be equipped with the sunken step portion of second casing complex, be equipped with the lug on the step portion, be equipped with on the second casing be used for right the lug keeps away the position mouth of keeping away of position, first section is located on the lug.

7. The micro-speaker of claim 6, wherein: the top surfaces of the block-shaped bodies, the top surfaces of the protective walls and the top surfaces of the convex blocks are coplanar.

8. The micro-speaker of claim 5, wherein: the ultrasonic line on the block-shaped body is arranged close to the second section.

9. The micro-speaker of claim 1, wherein: the loudspeaker is characterized by further comprising a loudspeaker single body, wherein the loudspeaker single body is arranged in a cavity formed by connecting the first shell and the second shell.

10. The micro-speaker of claim 9, wherein: the loudspeaker single body is fixed on the first shell.