CN217037458U - Miniature waterproof speaker with inside and outside magnetic structure - Google Patents
Miniature waterproof speaker with inside and outside magnetic structure Download PDFInfo
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- CN217037458U CN217037458U CN202123202968.7U CN202123202968U CN217037458U CN 217037458 U CN217037458 U CN 217037458U CN 202123202968 U CN202123202968 U CN 202123202968U CN 217037458 U CN217037458 U CN 217037458U
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- voice coil
- magnet steel
- vibrating diaphragm
- support frame
- coil loudspeaker
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Abstract
The utility model discloses a miniature waterproof loudspeaker with an internal and external magnetic structure, which adopts the technical scheme that: the utility model provides a miniature waterproof speaker with interior outer magnetic structure, includes support frame, voice coil loudspeaker voice coil, vibrating diaphragm, first magnet steel is located voice coil loudspeaker voice coil annular inner chamber position, the voice coil loudspeaker voice coil is fixed in vibrating diaphragm, the voice coil loudspeaker voice coil outside is provided with the second magnet steel, the second magnet steel is cyclic annular, just the voice coil loudspeaker voice coil is located second magnet steel shape inner chamber position, first magnet steel, second magnet steel all are fixed in the support frame, leave the space that supplies the voice coil loudspeaker voice coil to remove between first magnet steel and the second magnet steel. According to the utility model, the sensitivity and the performance of the loudspeaker are improved through the second magnetic steel, and the waterproof performance of the loudspeaker is ensured through the flanging design.
Description
Technical Field
The utility model relates to the field of speakers, in particular to a miniature waterproof speaker with an internal and external magnetic structure.
Background
The micro-speaker mainly comprises a basin frame, magnetic steel, a pole piece, a sound film, a voice coil 2, a front cover 9, a wiring board, damping cloth and the like. The traditional micro loudspeaker has a small structure and only one small-size magnetic steel, so that the sensitivity is low.
Therefore, there is a need for an improved structure that overcomes the above-mentioned deficiencies.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a miniature waterproof loudspeaker with an internal and external magnetic structure, wherein the sensitivity and the performance of the loudspeaker are improved through second magnetic steel, and the waterproof performance of the loudspeaker is ensured through flanging design.
The technical purpose of the utility model is realized by the following technical scheme: the utility model provides a miniature waterproof speaker with interior outer magnetic structure, includes support frame, voice coil loudspeaker voice coil, vibrating diaphragm, first magnet steel is located voice coil loudspeaker voice coil annular inner chamber position, the voice coil loudspeaker voice coil is fixed in vibrating diaphragm, the voice coil loudspeaker voice coil outside is provided with the second magnet steel, the second magnet steel is cyclic annularly, just the voice coil loudspeaker voice coil is located second magnet steel shape inner chamber position, first magnet steel, second magnet steel all are fixed in the support frame, leave the space that supplies the voice coil loudspeaker voice coil to remove between first magnet steel and the second magnet steel.
The utility model is further configured as follows: the vibrating diaphragm edge is pasted and fixed on the upper surface of the support frame, the upper surface of the support frame is provided with a convex ring, and the vibrating diaphragm edge is attached to or close to the inner wall of the convex ring.
The utility model is further provided with: the support frame is provided with a front cover, an everted flanging is arranged at one end, facing the vibrating diaphragm, of the front cover in an abutting mode, the flanging is attached to the inner wall of the convex ring, and the front cover abuts against the edge position of the vibrating diaphragm.
The utility model is further configured as follows: the supporting frame is provided with an annular groove for the second magnetic steel to be partially clamped, the annular groove is clamped with a retaining ring for fixing the second magnetic steel, and the retaining ring is abutted to the surface of the second magnetic steel, which faces the vibrating diaphragm.
The utility model is further provided with: the inner side wall of the convex ring is provided with a guide inclined plane which facilitates the diaphragm and the front cover to enter the inner cavity of the convex ring.
The utility model is further provided with: the support frame is provided with a plurality of hollow-out grooves for reducing weight.
In conclusion, the utility model has the following beneficial effects:
the magnetic field formed by the first magnetic steel and the second magnetic steel acts on the voice coil at the same time, so that the sensitivity is provided, and the performance of the loudspeaker is improved.
The outer side part of the second magnetic steel is clamped into the annular groove and is clamped and fixed through the retaining ring, so that the second magnetic steel is effectively fixed, the fixing strength of the magnetic steel ring is improved, and the falling resistance is achieved.
The turn-ups passes through glue fixed with bulge loop inner wall and vibrating diaphragm border fixed, laminates in the bulge loop inner wall through the turn-ups in addition to it is fixed with the sticking of bulge loop inner wall, can further promote sealed waterproof performance, through direction inclined plane turn-ups installation protecgulum and vibrating diaphragm, promotes the assembly convenience.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic view of a part of the structure of the present invention.
The corresponding part names indicated by the numbers in the figures: 1. a support frame; 2. a voice coil; 3. a vibrating diaphragm; 4. a first magnetic steel; 5. a second magnetic steel; 6. a ring groove; 7. a baffle ring; 8. a convex ring; 9. a front cover; 10. flanging; 11. a guide slope; 12. and (6) hollowing out the grooves.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easy to understand, the utility model is further described with reference to the figures and the specific embodiments.
As shown in fig. 1 to 4, the miniature waterproof speaker with the internal and external magnetic structure provided by the utility model comprises a support frame 1, a voice coil 2, a vibrating diaphragm 3 and a first magnetic steel 4, wherein the first magnetic steel 4 is located in an annular inner cavity of the voice coil 2, the voice coil 2 is fixed on the vibrating diaphragm 3, a second magnetic steel 5 is arranged on the outer side of the voice coil 2, the second magnetic steel 5 is annular, the voice coil 2 is located in an annular inner cavity of the second magnetic steel 5, the first magnetic steel 4 and the second magnetic steel 5 are both fixed on the support frame 1, and a gap for the voice coil 2 to move is reserved between the first magnetic steel 4 and the second magnetic steel 5. The magnetic field formed by the first magnetic steel 4 and the second magnetic steel 5 acts on the voice coil 2 at the same time, so that the sensitivity is provided, and the performance of the loudspeaker is improved.
In this embodiment, the supporting frame 1 is provided with an annular groove 6 for the second magnetic steel 5 to be partially clamped, the annular groove 6 is provided with a retaining ring 7 for fixing the second magnetic steel 5, and the retaining ring 7 is abutted against the surface of the second magnetic steel 5 facing the vibrating diaphragm 3. Through 5 outside parts card income annulars of second magnet steel 6 in to through keeping off ring 7 card solid, realize effectively fixing second magnet steel 5, promote the fixed strength of magnet steel ring, thereby reach anti falling performance.
3 borders of vibrating diaphragm are pasted and are fixed in 1 upper surface of support frame, 1 upper surface of support frame is provided with bulge loop 8, 3 borders of vibrating diaphragm are laminated or are close to 8 inner walls of bulge loop. The support frame 1 is provided with protecgulum 9, and protecgulum 9 is the metal material, 9 butts of protecgulum are provided with the turn-ups 10 of turning up in the one end towards vibrating diaphragm 3, turn-ups 10 laminate in 8 inner walls of bulge loop, 9 butts of protecgulum are in the border position of vibrating diaphragm 3. In addition, the inner side wall of the convex ring 8 is provided with a guide inclined plane 11 which is convenient for the diaphragm and the front cover 9 to enter the inner cavity of the convex ring 8. Turn-ups 10 is fixed through glue and is fixed with 8 inner walls of bulge loop and 3 borders of vibrating diaphragm, laminates in 8 inner walls of bulge loop through turn-ups 10 in addition to it is fixed with 8 inner walls of bulge loop paste, can further promote waterproof sealing performance, through 11 turn-ups 10 installation protecgulums 9 and vibrating diaphragm 3 on the direction inclined plane, promote the assembly convenience.
In order to improve the overall weight of the loudspeaker, a plurality of hollow grooves 12 for reducing the weight are arranged on the support frame 1.
In this document, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the purpose of clarity and convenience of description of the technical solutions, and thus, should not be construed as limiting the present invention.
In this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, which may include other elements not expressly listed in addition to those listed.
The foregoing shows and describes the general principles, principal features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a miniature waterproof speaker with interior outer magnetic structure, includes support frame (1), voice coil loudspeaker voice coil (2), vibrating diaphragm (3), first magnet steel (4), its characterized in that: first magnet steel (4) are located voice coil loudspeaker voice coil (2) annular inner chamber position, voice coil loudspeaker voice coil (2) are fixed in vibrating diaphragm (3), voice coil loudspeaker voice coil (2) outside is provided with second magnet steel (5), second magnet steel (5) are cyclic annular, just voice coil loudspeaker voice coil (2) are located second magnet steel (5) shape inner chamber position, first magnet steel (4), second magnet steel (5) all are fixed in support frame (1), leave the space that supplies voice coil loudspeaker voice coil (2) to remove between first magnet steel (4) and second magnet steel (5).
2. The miniature waterproof speaker with the internal and external magnetic structures of claim 1, wherein: vibrating diaphragm (3) border is pasted and is fixed in support frame (1) upper surface, support frame (1) upper surface is provided with bulge loop (8), vibrating diaphragm (3) border laminating or be close to bulge loop (8) inner wall.
3. The miniature waterproof speaker with the internal and external magnetic structures of claim 2, wherein: the support frame (1) is provided with a front cover (9), the front cover (9) is abutted to one end, facing the vibrating diaphragm (3), of the front cover and is provided with an everted flanging (10), the flanging (10) is attached to the inner wall of the convex ring (8), and the front cover (9) is abutted to the edge of the vibrating diaphragm (3).
4. The miniature waterproof speaker with the internal and external magnetic structures of claim 1, wherein: annular groove (6) that confession second magnet steel (5) part card was gone into are seted up in support frame (1), annular groove (6) card is equipped with fixedly the fender ring (7) of second magnet steel (5), keep off ring (7) butt in the surface of second magnet steel (5) towards vibrating diaphragm (3).
5. The miniature waterproof speaker with the internal and external magnetic structures of claim 3, wherein: the inner side wall of the convex ring (8) is provided with a guide inclined plane (11) which is convenient for the membrane and the front cover (9) to enter the inner cavity of the convex ring (8).
6. The miniature waterproof speaker with the internal and external magnetic structures of claim 1, wherein: the support frame (1) is provided with a plurality of hollow grooves (12) for reducing weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123202968.7U CN217037458U (en) | 2021-12-20 | 2021-12-20 | Miniature waterproof speaker with inside and outside magnetic structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123202968.7U CN217037458U (en) | 2021-12-20 | 2021-12-20 | Miniature waterproof speaker with inside and outside magnetic structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217037458U true CN217037458U (en) | 2022-07-22 |
Family
ID=82443858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123202968.7U Active CN217037458U (en) | 2021-12-20 | 2021-12-20 | Miniature waterproof speaker with inside and outside magnetic structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217037458U (en) |
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2021
- 2021-12-20 CN CN202123202968.7U patent/CN217037458U/en active Active
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