CN211481460U

CN211481460U - Loudspeaker convenient to adjust audio

Info

Publication number: CN211481460U
Application number: CN202020259225.XU
Authority: CN
Inventors: 温增丰; 薛辉; 邓小林
Original assignee: Transound Electronics Co Ltd
Current assignee: Transound Electronics Co Ltd
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2020-09-11
Anticipated expiration: 2030-03-05

Abstract

The utility model discloses a loudspeaker convenient for adjusting sound effect, which comprises an upper cover, a main body and a loudspeaker single body; the main body is provided with a mounting cavity and a sound guide cavity, the loudspeaker single body is arranged in the mounting cavity, the main body is assembled by the upper cover, the mounting cavity is covered by the upper cover, and the sound guide cavity penetrates through a first through hole of the mounting cavity and the outer part of the main body; the loudspeaker unit comprises a frame, a magnetic circuit component and a vibrating membrane, wherein the main body and the frame form a first sound cavity; the main body, the upper cover and the frame form a second sound cavity which is communicated with the first sound cavity, and the upper cover is provided with a second through hole which penetrates through the second sound cavity and the outer part of the upper cover; it makes the high pitch and well bass separate, avoids mixing together, simultaneously, derives the high pitch to the main part front side, derives the upper cover outside with well bass, is convenient for adjust the audio to loudspeaker, and can directly install in the earphone shell after adjusting good best audio, reduces the assembly degree of difficulty and reduces design, the tuning degree of difficulty of earphone cavity.

Description

Loudspeaker convenient to adjust audio

Technical Field

The utility model relates to a loudspeaker field technique especially indicates a loudspeaker convenient to adjust the audio.

Background

In the prior art, earphones generally comprise an earphone shell and a loudspeaker arranged in the earphone shell. The loudspeaker generally comprises a bracket, a U-shaped cup and a vibrating diaphragm, wherein the U-shaped cup and the vibrating diaphragm are arranged on the bracket; the voice coil is electrically connected with the voice coil through a wire so as to vibrate the diaphragm to make sound.

The regulation of just carrying out the audio to it after current loudspeaker is generally installed in earphone shell, it is more troublesome that it carries out the audio in earphone shell and adjusts, and still need consider the mounting structure design of loudspeaker in the earphone cavity in the audio adjustment process, leads to the assembly degree of difficulty higher.

Therefore, in the patent application of the present invention, the applicant has elaborately studied a speaker convenient for adjusting the sound effect to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides a loudspeaker convenient to adjust the audio, can know by above-mentioned technical scheme, it makes high pitch and well bass separate, avoid mixing together, simultaneously, derive the high pitch to the front side of main part, derive the well bass to the upper cover outside, be convenient for adjust the audio to loudspeaker, and can direct mount in the earphone shell after adjusting good best audio, reduce the assembly degree of difficulty and reduce earphone cavity's design, the tuning degree of difficulty.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a loudspeaker convenient for adjusting sound effect comprises an upper cover, a main body and a loudspeaker single body;

the loudspeaker is characterized in that the main body is provided with an installation cavity with an upward opening and a sound guide cavity, the loudspeaker single body is arranged in the installation cavity, the upper cover is assembled at the upper end of the main body and covers the opening at the upper end of the installation cavity, the bottom wall of the installation cavity is provided with a first through hole, and the sound guide cavity penetrates through the first through hole and the outside of the main body;

the loudspeaker unit comprises a frame, a magnetic loop component and a vibrating membrane, wherein the vibrating membrane covers the upper part of the frame, and the magnetic loop component is arranged on the frame and extends into the mounting cavity;

the main body and the frame form a first sound cavity positioned below the vibrating membrane, the magnetic loop component covers the first through hole, and the first through hole is not communicated with the first sound cavity;

a second sound cavity located on the periphery of the magnetic circuit component is formed among the main body, the upper cover and the frame, the second sound cavity is communicated with the first sound cavity, and a second through hole penetrating through the second sound cavity and the outer portion of the upper cover is formed in the upper cover.

As a preferred scheme, one of the upper cover and the main body is provided with a clamping protrusion, the other is provided with a clamping groove, the upper cover is connected with the main body, and the clamping protrusion is matched in the clamping groove.

As a preferred scheme, the integrative upwards extension of diapire of installation cavity is formed with the reference column, lead on the sound chamber is seted up on the reference column.

As a preferred scheme, the opening of the sound guide cavity is completely opened, or a first damping member is covered at the opening of the sound guide cavity, or the upper cover covers the opening of the sound guide cavity, a through hole is formed in the upper cover and is communicated with the sound guide cavity, and the first damping member is covered at the through hole.

Preferably, the second through hole is completely open, or a second damping member is disposed at the second through hole.

As a preferred scheme, still include the lower cover, the lower cover covers the below of locating the main part, the lower cover is formed with the third sound chamber with the main part, lead the sound chamber and link up first through-hole through the third sound chamber.

As a preferable scheme, a lower cover installation groove which penetrates through the sound conducting cavity and the first through hole is integrally and upwards concavely arranged below the main body, and the lower cover is installed in the lower cover installation groove.

As a preferable scheme, the outer periphery of the lower end of the frame integrally extends downwards to form a first annular side plate portion, a third through hole is formed in the first annular side plate portion, and the second sound cavity penetrates through the first sound cavity through the third through hole.

As a preferred scheme, the magnetic circuit component is arranged at the central position of the frame, a hollow structure is arranged on the frame and positioned at the periphery of the magnetic circuit component, and the hollow structure is communicated with the first sound cavity.

As a preferable scheme, the hollow structure is completely open, or a third damping member is covered at the hollow structure.

Compared with the prior art, the utility model has obvious advantage and beneficial effect, particularly, can know by above-mentioned technical scheme, it is mainly through first through-hole, lead the sound chamber, first sound chamber, the setting of second sound chamber and second through-hole, the high pitch gets into first through-hole earlier and upwards derives to the outside through leading the sound chamber again, well bass gets into first sound chamber second sound chamber earlier and derives to the outside of upper cover from the second through-hole again, so that high pitch and well bass are separated, avoid mixing together, simultaneously, derive the high pitch to the front side of main part, derive well bass to the upper cover outside, be convenient for adjust the audio to loudspeaker, and can directly install in the earphone shell after adjusting best audio, reduce the assembly degree of difficulty and reduce the design of earphone cavity, the degree of difficulty;

secondly, the upper cover and the main body are convenient to disassemble, assemble and subsequently replace and maintain through the matching of the clamping protrusions and the clamping grooves;

moreover, the positions of the opening, the second through hole, the through hole and the hollow structure of the corresponding sound guide cavity can be flexibly selected whether to cover the first damping piece, the second damping piece and the third damping piece according to the actual design requirements, so that different sound effects can be conveniently adjusted;

and the whole structure design is ingenious and reasonable, the components are convenient and firm to assemble, and the stability and reliability of the product in the working process are ensured.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a schematic perspective view of a preferred embodiment of the present invention;

FIG. 2 is a schematic view of another angle assembly structure according to the preferred embodiment of the present invention;

FIG. 3 is a first exploded view of the preferred embodiment of the present invention;

FIG. 4 is a second exploded view of the preferred embodiment of the present invention;

FIG. 5 is a third exploded view of the preferred embodiment of the present invention (showing primarily the speaker unit);

fig. 6 is a first cross-sectional view of the preferred embodiment of the present invention;

fig. 7 is a second cross-sectional view of the preferred embodiment of the present invention.

The attached drawings indicate the following:

10. upper cover

11. Perforation 12, abdication hole

13. Second through hole

20. Main body

201. Clamping convex 202 and clamping groove

203. A first sound cavity 204 and a second sound cavity

205. Lower cover mounting groove 206 and third sound cavity

21. Mounting cavity 211 and first through hole

212. Positioning column 213 and second mounting position

22. Sound conducting cavity

30. Horn unit

31. Frame 311, first annular side plate part

312. Third through hole 313 and hollow structure

314. First installation site

32. Diaphragm 321 and voice coil

33. U cup 331, second breather hole

34. Magnet 341 first air hole

35. Washer 36, positioning plug

361. Substrate 362 and barrel

363. Third air vent

41. First damper 42 and second damper

43. Third damping member

50. Lower cover

51. Lid portion 52, second annular side plate portion.

Detailed Description

Referring to fig. 1 to 7, which show the specific structure of the preferred embodiment of the present invention, a speaker with adjustable sound effect includes an upper cover 10, a main body 20 and a speaker unit 30, wherein:

the main body 20 is provided with a mounting cavity 21 and a sound guide cavity 22 with upward openings, the horn unit 30 is installed in the mounting cavity 21, the upper cover 10 is assembled at the upper end of the main body 20, and the upper cover 10 covers the opening at the upper end of the mounting cavity 21. In this embodiment, one of the upper cover 10 and the main body 20 is provided with a locking protrusion 201, and the other is provided with a locking groove 202, the upper cover 10 is connected with the main body 20, and the locking protrusion 201 is fitted into the locking groove 202.

A first through hole 211 is formed in the bottom wall of the mounting cavity 21, and the sound guide cavity 22 penetrates through the first through hole 211 and the outside of the main body 20; the bottom wall of the installation cavity 21 integrally extends upwards to form a positioning column 212, and the sound guide cavity 22 is arranged on the positioning column 212. In this embodiment, the number of the positioning pillars 212 is two, the positioning pillars 212 are symmetrically arranged with the center of the main body 20 as a base point, each positioning pillar 212 is integrally connected with the inner sidewall of the mounting cavity 21, and each positioning pillar 212 is provided with a sound guiding cavity 22. A positioning cavity for positioning the speaker unit 30 is formed between the two positioning posts 212, so that the assembly and positioning of the speaker unit 30 are facilitated.

In this embodiment, the upper cover 10 covers the opening of the sound conducting cavity 22, and the upper cover 10 is provided with a through hole 11, and the through hole 11 and the second through hole 13 are located on the same side, preferably, both located on the upper end surface of the upper cover. The through hole 11 is communicated with the sound conduction cavity 22, the first damping member 41 is covered at the through hole 11, and of course, the through hole 11 may be completely opened, or the opening of the sound conduction cavity 22 is completely opened, or the first damping member 41 is covered at the opening of the sound conduction cavity 22, which is not limited herein.

The horn unit 30 comprises a frame 31, a magnetic circuit component and a vibrating membrane 32, the vibrating membrane 32 covers the frame 31, the upper cover 10 is provided with a yielding hole 12 corresponding to the vibrating membrane 32, the vibrating membrane 32 is arranged at the yielding hole 12, and the magnetic circuit component is arranged on the frame 31 and extends into the installation cavity 21;

the main body 20 and the frame 31 form a first sound cavity 203 below the vibrating membrane 32, the magnetic circuit component covers the first through hole 211, and the first through hole 211 is not communicated with the first sound cavity 203;

a second sound cavity 204 located at the periphery of the magnetic circuit assembly is formed among the main body 20, the upper cover 10 and the frame 31, the second sound cavity 204 is communicated with the first sound cavity 203, and a plurality of second through holes 13 penetrating through the second sound cavity 204 and the outer part of the upper cover 10 are formed in the upper cover 10. The second through hole 13 is completely opened, or a second damping member 42 is covered at the second through hole 13.

In this embodiment, the outer periphery of the lower end of the frame 31 integrally extends downward to form a first annular side plate 311, the first annular side plate 311 is opened with a third through hole 312, and the second sound cavity 204 penetrates the first sound cavity 203 through the third through hole 312. In this embodiment, six third through holes 312 are uniformly arranged along the circumferential direction at intervals, and each third through hole 312 penetrates through the second sound cavity 204 and the first sound cavity 203.

The magnetic circuit component is arranged at the central position of the frame 31, a hollow structure 313 is arranged on the frame 31 and positioned at the periphery of the magnetic circuit component, and the vibrating membrane 32 covers the hollow structure 313 and the magnetic circuit component. The hollowed-out structure 313 is communicated with the first sound cavity 203. The hollow structure 313 is completely open, or a third damping member 43 is covered on the hollow structure 313. All damping members are arranged inside or outside the respective holes and the respective hollowed-out structures 313; the first damping member 41, the second damping member 42 and the third damping member 43 may be damping mesh, damping paper or metal mesh, etc., which are not listed herein.

In this embodiment, the magnetic circuit component includes a U cup 33, a magnet 34, a washer 35 and a positioning plug 36, the U cup 33 is installed on the frame 31 and extends into the installation cavity 21, the magnet 34 is disposed in the U cup 33, the washer 35 is stacked on the magnet 34, a voice coil 321 is installed below the diaphragm 32, and the voice coil 321 extends between the U cup 33 and the magnet 34. The magnet 34 and the washer 35 are provided with first air holes 341 which are opposite to and communicated with each other in sequence along the center; the U cup 33 is provided with a second air hole 331 which is just opposite to and penetrates through the first air hole 341 along the center, the outer diameter of the first air hole 341 is smaller than that of the second air hole 331, and the outer diameter of the second air hole 331 is smaller than that of the first through hole 211; the positioning plug 36 is provided with a base plate portion 361 and a barrel portion 362 integrally extending upwards from the upper end of the base plate portion 361, the positioning plug 36 sequentially extends into the second air hole 331 and the first air hole 341 from bottom to top, the base plate portion 361 is positioned at the second air hole 331, the upper end of the base plate portion 361 abuts against the magnet 34, a third air hole 363 which is communicated with the barrel portion 362 is formed in an up-and-down mode, the barrel portion 362 extends into the first air hole 341 of the washer 35, and the third air hole 363 is communicated with the first through hole 211.

Specifically, a first mounting position 314 is arranged on the lower end surface of the frame 31, the first annular side plate portion 311 is located at the periphery of the first mounting position 314, the hollow structure 313 is located between the first mounting position 314 and the first annular side plate portion 311, and the U-cup 33 is assembled at the first mounting position 314; the bottom wall of the mounting cavity 21 is formed with a second mounting position 213 at the periphery of the first through hole 211, and the U-cup 33 is simultaneously assembled on the first mounting position 314 and the second mounting position 213. In this embodiment, the first mounting position 314 and the second mounting position 213 are mounting recessed positions.

The sound guide device further comprises a lower cover 50, the lower cover 50 is arranged below the main body 20 in a covering mode, a third sound cavity 206 is formed between the lower cover 50 and the main body 20, and the sound guide cavity 22 penetrates through the first through hole 211 through the third sound cavity 206. A lower cover mounting groove 205 passing through the sound-guiding cavity 22 and the first through hole 211 is integrally and upwardly concavely formed below the main body 20, and the lower cover 50 is mounted in the lower cover mounting groove 205. In the present embodiment, the lower cover mounting groove 205 extends along the radial direction of the main body 20, and each sound guide cavity 22 communicates with the lower cover mounting groove 205. Preferably, the extended end of the lower cover mounting groove 205 is provided with a side opening to facilitate the removal of the lower cover 50 from the side opening. In the present embodiment, the lower cap 50 has a cap portion 51 and a second annular side plate portion 52 integrally extending upward from an outer periphery of the cap portion 51, and the cap portion 51 has a straight-line structure with a circular center.

The following flow direction is generally explained:

as shown in fig. 6, the high pitch generated by the vibration of the diaphragm 32 is transmitted to the outside through the third air hole 363, the first through hole 211, the third sound cavity 206, the sound guide cavity 22 and the through hole 11 in sequence;

as shown in fig. 7, the midbass sound generated by the vibration of the vibration film 32 is transmitted to the outside through the hollow structure 313, the first sound cavity 203, the second sound cavity 204 and the second through hole 13 in sequence.

The utility model discloses a design focus lies in: according to the technical scheme, the high-pitched voice earphone is mainly characterized in that the first through hole, the sound guide cavity, the first sound cavity, the second sound cavity and the second through hole are arranged, high-pitched voice firstly enters the first through hole and then is upwards guided out to the outside through the sound guide cavity, medium-pitched voice firstly enters the second sound cavity of the first sound cavity and then is guided out of the upper cover from the second through hole, so that the high-pitched voice and the medium-pitched voice are separated and are prevented from being mixed together, meanwhile, the high-pitched voice is guided out to the front side of the main body, the medium-pitched voice is guided out of the upper cover, the sound effect of the loudspeaker is convenient to adjust, the loudspeaker can be directly installed in the earphone shell after the optimal sound effect is adjusted, the assembly difficulty is reduced;

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a loudspeaker convenient to adjust audio which characterized in that: comprises an upper cover, a main body and a loudspeaker unit;

2. The loudspeaker of claim 1, wherein the sound effect is adjustable by: in the upper cover and the main body, one of the upper cover and the main body is provided with a clamping protrusion, the other one is provided with a clamping groove, the upper cover is connected with the main body, and the clamping protrusion is matched in the clamping groove.

3. The loudspeaker of claim 1, wherein the sound effect is adjustable by: the integrative up extension of diapire of installation cavity is formed with the reference column, lead on the sound chamber is seted up on the reference column.

4. The loudspeaker of claim 1, wherein the sound effect is adjustable by: the opening part in leading the sound chamber is opened completely, perhaps, covers in the opening part in leading the sound chamber and is equipped with first damping piece, perhaps, the upper cover hides the opening that covers leading the sound chamber, be provided with the perforation on the upper cover, perforation intercommunication leading the sound chamber, perforation department covers and is equipped with first damping piece.

5. The loudspeaker of claim 1, wherein the sound effect is adjustable by: the second through hole is completely opened, or a second damping piece covers the second through hole.

6. The loudspeaker of claim 1, wherein the sound effect is adjustable by: the lower cover covers the lower portion of the main body, a third sound cavity is formed between the lower cover and the main body, and the sound guide cavity penetrates through the first through hole through the third sound cavity.

7. The loudspeaker of claim 6, wherein the sound effect is adjustable by: the lower cover is characterized in that a lower cover mounting groove which penetrates through the sound conducting cavity and the first through hole is integrally and upwards concavely arranged below the main body, and the lower cover is mounted in the lower cover mounting groove.

8. The loudspeaker of claim 1, wherein the sound effect is adjustable by: the lower extreme outer peripheral edges of frame an organic whole down extends and is formed with first annular curb plate portion, seted up the third through-hole on the first annular curb plate portion, the second sound chamber link up first sound chamber through the third through-hole.

9. The loudspeaker of claim 1, wherein the sound effect is adjustable by: the magnetic circuit component is arranged at the central position of the frame, a hollow structure is arranged on the frame and positioned at the periphery of the magnetic circuit component, and the hollow structure is communicated with the first sound cavity.

10. The loudspeaker of claim 9, wherein the sound effect is adjustable by: the hollow structure is completely open, or a third damping piece covers the hollow structure.