CN218772424U

CN218772424U - High-efficient waterproof dirt-proof miniature speaker

Info

Publication number: CN218772424U
Application number: CN202223404937.4U
Authority: CN
Inventors: 王俊童; 杨文付
Original assignee: FUSHENGDA DONGGUAN ELECTRIC MO
Current assignee: FUSHENGDA DONGGUAN ELECTRIC MO
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-03-28
Anticipated expiration: 2032-12-19

Abstract

The utility model relates to a micro loudspeaker technical field provides a high-efficient waterproof dirt-proof micro loudspeaker, including shell and packing ring, its characterized in that, the mounting groove has been seted up at the top fixedly connected with mounting panel of shell, the top of mounting panel, and the bottom of mounting groove is equipped with sealed glue dripping. Through the technical scheme, the voice coil loudspeaker voice coil among the prior art has been solved and only has been passed through connecting piece and basin frame welded connection, the gap can appear unavoidably between voice coil loudspeaker voice coil and the basin frame, the leakproofness effect is unsatisfactory, if the speaker is in the steam infiltration in the environment when comparatively moist operational environment easily, can influence the inside electrical components of speaker behind the steam infiltration, thereby lead to influencing the sound production effect of speaker, and the voice coil loudspeaker voice coil in this technique is convenient for dismantle after long-term use is ageing, need professional to pull down its violence and weld again, other structures in the speaker are hurt indirectly easily, thereby lead to the problem that has influenced the use convenience of speaker.

Description

High-efficient waterproof dirt-proof miniature speaker

Technical Field

The utility model relates to a miniature speaker technical field specifically relates to a high-efficient waterproof dirt-proof miniature speaker.

Background

The loudspeaker is a transducer for converting an electric signal into an acoustic signal, and the quality of the loudspeaker has great influence on the sound quality. The loudspeaker is the weakest component in the audio equipment, and is the most important component for the audio effect. Loudspeakers are of a wide variety and vary widely in price. The audio frequency electric energy makes the paper cone or the diaphragm vibrate and generate resonance (resonance) with the surrounding air through electromagnetic, piezoelectric or electrostatic effect to make sound.

Chinese patent discloses a micro-speaker (grant publication No. CN 209593739U), which comprises a frame, a voice coil and a connector; the voice coil is arranged in the basin frame and is positioned above the connecting piece; one end of the connecting piece is connected with a bonding pad arranged on the lower surface of the basin frame, the other end of the connecting piece is respectively connected with the lower surface of the voice coil and a voice coil lead wire, so that the bonding pad is electrically connected with the voice coil lead wire, and the connecting piece is made of elastic material. The utility model provides a miniature speaker, can improve the problem that the voice coil loudspeaker voice coil lead wire easily drops among the miniature speaker, thereby can guarantee miniature speaker's acoustic performance, however, voice coil loudspeaker voice coil in this technique only passes through connecting piece and basin frame welded connection, the gap can appear in inevitable between voice coil loudspeaker voice coil and the basin frame, the leakproofness effect is unsatisfactory, if the speaker is by the steam infiltration in the environment when being in comparatively moist operational environment easily, can influence the inside electrical components of speaker after the steam infiltration, thereby lead to influencing the sound production effect of speaker, and voice coil loudspeaker voice coil in this technique is convenient to detach after the long-term use is ageing, need professional to pull down rewelding its violence, other structures in the speaker are hurt indirectly easily, thereby lead to the convenience of use that has influenced the speaker. Accordingly, those skilled in the art have provided a miniature speaker with high efficiency of waterproof and dustproof to solve the above-mentioned problems of the background art.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-efficient waterproof dirt-proof miniature speaker, the voice coil loudspeaker voice coil of having solved among the correlation technique only passes through connecting piece and basin frame welded connection, the gap can appear in the inevitable between voice coil loudspeaker voice coil and the basin frame, the leakproofness effect is unsatisfactory, if the speaker is in the steam infiltration in the environment easily when comparatively moist operational environment, can influence the inside electrical components of speaker after the steam infiltration, thereby lead to influencing the sound production effect of speaker, and the voice coil loudspeaker voice coil among this technique is not convenient for dismantle after long-term use is ageing, need professional personage to pull down its violence and weld again, other structures in the speaker are hurt indirectly easily, thereby the problem of the convenience of use of speaker has been influenced.

The technical scheme of the utility model as follows: a high-efficiency waterproof and dustproof micro loudspeaker comprises a shell and a gasket, wherein the top of the shell is fixedly connected with a mounting plate, the top of the mounting plate is provided with a mounting groove, the bottom of the mounting groove is provided with sealing glue dripping, one side inside the mounting groove is provided with a rubber ring, the top of the shell is fixedly connected with a sealing ring at the inner side of the mounting groove, the bottom of the gasket is fixedly connected with a threaded block, the gasket is in threaded connection with the mounting groove through the threaded block, the inner wall of the gasket is fixedly connected with a fixing block, and the bottom of the fixing block is fixedly connected with a sealing block matched with the sealing ring;

preferably, the fixed block is of an annular structure, the sealing rings are made of rubber materials, and the distance between the sealing rings is smaller than the width of the sealing blocks;

preferably, a filter screen is arranged inside the gasket;

preferably, a sound production module is installed inside the shell, a voice coil is arranged at the top of the sound production module, a connecting plate is fixedly connected to the top of the voice coil, and a ball top is arranged at the top of the connecting plate;

preferably, a waterproof pad is arranged above the inside of the shell, and sound-absorbing cotton is arranged below the inside of the shell;

preferably, the bottom of the shell is provided with an electric terminal;

preferably, the two sides of the inside of the mounting plate are in threaded connection with bolts.

The utility model discloses a theory of operation and beneficial effect do: place the packing ring in the top of mounting panel, the packing ring rotates, can be fixed packing ring and mounting panel through the screw thread piece, can extrude the rubber circle at screw thread piece pivoted in-process, can reduce the gap between packing ring and the mounting panel greatly, simultaneously the sealed piece of the inside fixed block bottom of packing ring can extrude into in the sealing washer that rubber was made, the leakproofness of packing ring and mounting panel has further been promoted, through the screw thread piece and the mutually supporting between rubber circle and the sealed piece of sealing washer, can furthest promote the leakproofness of packing ring and mounting panel, prevent that steam from getting into, the waterproof performance of speaker has been promoted greatly, and the packing ring convenient to detach through screw thread piece and mounting panel threaded connection, be favorable to the packing ring ageing change in order to its pulling down after long-time using.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a perspective view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is an enlarged view of a point a in fig. 2 according to the present invention;

fig. 4 is a perspective view of the middle seal ring of the present invention;

fig. 5 is a perspective view of the middle rubber ring of the present invention.

In the figure: 1. a housing; 2. mounting a plate; 3. a gasket; 4. mounting grooves; 5. sealing and dripping the glue; 6. a rubber ring; 7. a seal ring; 8. a thread block; 9. a fixed block; 10. a sealing block; 11. a filter screen; 12. a sound production module; 13. a voice coil; 14. a connecting plate; 15. a ball top; 16. a waterproof pad; 17. connecting the electric terminal; 18. a bolt; 19. and (5) sound absorption cotton.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work, are related to the scope of the present invention.

Example 1

As shown in fig. 1-5, this embodiment provides a high-efficient waterproof dirt-proof micro speaker, including shell 1 and packing ring 3, the top fixedly connected with mounting panel 2 of shell 1, mounting groove 4 has been seted up at mounting panel 2's top, the bottom of mounting groove 4 is equipped with sealed glue 5 that drips, inside one side of mounting groove 4 is provided with rubber circle 6, the top of shell 1 just is located the inboard fixedly connected with sealing washer 7 of mounting groove 4, the bottom fixedly connected with thread piece 8 of packing ring 3, packing ring 3 passes through thread piece 8 and mounting groove 4 threaded connection, the inner wall fixedly connected with fixed block 9 of packing ring 3, the bottom fixedly connected with of fixed block 9 and sealing washer 7 matched with sealed piece 10.

In this embodiment, place packing ring 3 in the top of mounting panel 2, rotate packing ring 3, can be fixed with packing ring 3 and mounting panel 2 through screw thread piece 8, can extrude rubber circle 6 at screw thread piece 8 pivoted in-process, can reduce the gap between packing ring 3 and the mounting panel 2 greatly, simultaneously the sealed piece 10 of the inside fixed block 9 bottom of packing ring 3 can extrude in the sealing washer 7 that rubber was made, further promoted packing ring 3 and mounting panel 2's leakproofness, through mutually supporting between screw thread piece 8 and rubber circle 6 and the sealed piece 10 of sealing washer 7, can furthest promote packing ring 3 and mounting panel 2's leakproofness, prevent that steam from getting into, the waterproof performance of speaker has been promoted greatly, and packing ring 3 through screw thread piece 8 and mounting panel 2 threaded connection is convenient for dismantle, be favorable to ageing in order to its change after long-time using.

Example 2

As shown in fig. 1 to 5, based on the same concept as that of embodiment 1, the present embodiment further provides a high-efficiency waterproof and dustproof micro speaker, the fixing block 9 is of an annular structure, the sealing block 10 is of an annular structure, the sealing ring 7 is made of a rubber material, and the distance between the sealing rings 7 is smaller than the width of the sealing block 10, the inside of the gasket 3 is provided with the filter screen 11, the inside of the housing 1 is provided with the sound generating module 12, the top of the sound generating module 12 is provided with the voice coil 13, the top of the voice coil 13 is fixedly connected with the connecting plate 14, the top of the connecting plate 14 is provided with the dome 15, the inside of the housing 1 is provided with the waterproof pad 16, the inside of the housing 1 is provided with the sound absorbing cotton 19 below, the bottom of the housing 1 is provided with the electric terminal 17, and the two sides of the inside of the mounting plate 2 are connected with the bolts 18 by screw threads.

In this embodiment, the dust that gets into in the packing ring 3 can be filtered through the inside filter screen 11 that sets up of packing ring 3, prevent that the inside absorption that the dust got into shell 1 is on sound production module 12 and voice coil loudspeaker voice coil 13, thereby cause the influence to the sound production effect of speaker, the sound production of speaker can be realized through sound production module 12 and voice coil loudspeaker voice coil 13, can further promote the water-proof effects to the speaker through waterproof pad 16, prevent steam from the inside of other positions infiltration speakers, the cavity sound that produces when inhaling the sound cotton 19 greatly reduced speaker sound production of inhaling that sets up through the shell 1, be favorable to promoting the experience when the user uses and feel, can be connected speaker and external interface with electrical terminal 17, bolt 18 through the setting of shell 1 both sides can be fixed in the required workplace with the speaker.

The working principle is as follows:

place packing ring 3 in the top of mounting panel 2, rotate packing ring 3, can fix packing ring 3 and mounting panel 2 through screw thread piece 8, can extrude rubber circle 6 at screw thread piece 8 pivoted in-process, can reduce the gap between packing ring 3 and the mounting panel 2 greatly, simultaneously the sealed piece 10 of the inside fixed block 9 bottom of packing ring 3 can extrude in the sealing washer 7 that rubber made, further promoted packing ring 3 and mounting panel 2's leakproofness, mutually support between sealed piece 10 through screw thread piece 8 and rubber circle 6 and sealing washer 7, can furthest promote packing ring 3 and mounting panel 2's leakproofness, prevent that steam from getting into, filter screen 11 through the inside setting of packing ring 3 can filter the dust that gets into in packing ring 3, prevent that the dust from getting into the inside absorption of shell 1 on sound production module 12 and voice coil 13, thereby cause the influence to the vocal effect of speaker, can realize the sound production of speaker through sound production module 12 and voice coil 13, can further promote the water-proof effects to the speaker through waterproof pad 16, prevent that the inside infiltration of steam from other positions speaker from, can produce the sound production when inhaling the sound production cotton when the sound production of sound production can be favorable to the speaker through the outside bolt-up the work side and the improvement of the speaker 18, when being favorable to the speaker.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the present invention.

Claims

1. The utility model provides a high-efficient waterproof dirt-proof micro loudspeaker, includes shell (1) and packing ring (3), its characterized in that, top fixedly connected with mounting panel (2) of shell (1), mounting groove (4) have been seted up at the top of mounting panel (2), the bottom of mounting groove (4) is equipped with sealed glue dripping (5), inside one side of mounting groove (4) is provided with rubber circle (6), the top of shell (1) just is located inboard fixedly connected with sealing washer (7) of mounting groove (4), the bottom fixedly connected with thread block (8) of packing ring (3), packing ring (3) are through thread block (8) and mounting groove (4) threaded connection, the inner wall fixedly connected with fixed block (9) of packing ring (3), the bottom fixedly connected with and sealing washer (7) matched with sealed piece (10) of fixed block (9).

2. The miniature loudspeaker in claim 1, wherein the fixing block (9) is of an annular structure, the sealing blocks (10) are of an annular structure, the sealing rings (7) are made of rubber materials, and the distance between the sealing rings (7) is smaller than the width of the sealing blocks (10).

3. A miniature loudspeaker according to claim 1, characterized in that said gasket (3) is provided with a filter screen (11) inside.

4. The miniature loudspeaker of claim 1, wherein a sound module (12) is installed inside the housing (1), a voice coil (13) is disposed on the top of the sound module (12), a connecting plate (14) is fixedly connected to the top of the voice coil (13), and a dome (15) is disposed on the top of the connecting plate (14).

5. The miniature loudspeaker of claim 1, wherein a waterproof pad (16) is disposed on the upper part of the inside of the casing (1), and a sound-absorbing cotton (19) is disposed on the lower part of the inside of the casing (1).

6. A miniature loudspeaker according to claim 1, characterized in that the bottom of the casing (1) is provided with electrical terminals (17).

7. A highly efficient waterproof and dustproof micro-speaker as claimed in claim 1, wherein the mounting plate (2) is screwed with bolts (18) on both sides of the inside.