CN219555102U - Thin horn with novel structure - Google Patents
Thin horn with novel structure Download PDFInfo
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- CN219555102U CN219555102U CN202223187139.0U CN202223187139U CN219555102U CN 219555102 U CN219555102 U CN 219555102U CN 202223187139 U CN202223187139 U CN 202223187139U CN 219555102 U CN219555102 U CN 219555102U
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- annular
- support
- installation cavity
- magnetic return
- diaphragm
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Abstract
The utility model discloses a novel thin loudspeaker, which comprises a front cover, a bracket, a diaphragm, a voice coil and a magnetic return assembly, wherein the diaphragm is covered on the front side of the bracket, the front cover is covered on the front side of the bracket and covers the outside of the diaphragm, the magnetic return assembly is arranged in the bracket, the voice coil is arranged on the diaphragm and extends into the magnetic return assembly, the bracket is provided with an installation cavity with an opening at the front side, a plurality of clamping convex parts are convexly arranged on the inner side wall of the installation cavity, the plurality of clamping convex parts are sequentially arranged at intervals along the annular shape around the axis of the installation cavity, each clamping convex part extends along the front-back direction, the rear end of each clamping convex part extends to the inner bottom of the installation cavity, the bottom of the magnetic return assembly is abutted against the inner bottom of the installation cavity, and the peripheral side wall of the magnetic return assembly is limited by the clamping convex parts; therefore, the front-to-back assembly mode of the magnetic return assembly is realized, the installation contact area of the magnetic return assembly is increased, the assembly is firmer, the loosening phenomenon is avoided, and the phenomenon that the tone quality is influenced due to glue overflow is avoided.
Description
Technical Field
The utility model relates to the technology in the field of loudspeakers, in particular to a thin loudspeaker with a novel structure.
Background
The traditional loudspeaker generally comprises a bracket, a magnetic return assembly and a diaphragm, wherein the magnetic return assembly and the diaphragm are arranged on the bracket, the magnetic return assembly comprises a yoke, a magnet and a washer, the magnet and the washer are arranged in the yoke and form a magnetic gap, a voice coil is arranged on the diaphragm, and the rear end of the voice coil can extend into the magnetic gap; the voice coil is driven by current to cause the vibrating diaphragm to make sound; when the magnetic return assembly is assembled, the magnetic return assembly is usually adhered to the annular mounting part of the bracket from back to front, the magnetic return assembly is mainly adhered to the annular mounting part by gluing the outer side wall at the front end of the magnetic return assembly in a limited way, the area of the outer side wall before the magnetic return assembly is limited, the adhesive contact area of the magnetic return assembly is small, the adhesion between the magnetic return assembly and the annular mounting part is not firm enough, the loosening phenomenon is easy to occur, glue can be extruded to the front side of the annular mounting part forwards during assembly to solidify, namely, the phenomenon of glue overflow occurs, and the membrane is possibly contacted with the solidified glue to influence the sound quality during vibration.
Therefore, a new technology is required to be developed to solve the above-mentioned problems.
Disclosure of Invention
In view of the above, the present utility model aims at overcoming the drawbacks of the prior art, and its main objective is to provide a novel structure of a thin horn, which realizes a front-to-back assembly mode of a magnetic return assembly, increases the installation contact area of the magnetic return assembly, makes the assembly more firm, avoids the loosening phenomenon, and does not cause the phenomenon of glue overflow to affect the sound quality.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a novel slim loudspeaker of structure, includes protecgulum, support, diaphragm, voice coil loudspeaker voice coil and magnetism back subassembly, the diaphragm covers in the front side of support, the protecgulum covers in the front side of support and cladding outside the diaphragm, magnetism back subassembly installs in the support, the voice coil loudspeaker voice coil is installed on the diaphragm and is extended to in the magnetism back subassembly, the support has the installation cavity that the front side opening set up, the inside wall of installation cavity is protruding to be equipped with a plurality of centre gripping convex parts, and a plurality of centre gripping convex parts are arranged along annular interval in proper order around the axis of installation cavity, and every centre gripping convex part all extends and the rear end of centre gripping convex part extends to the interior bottom of installation cavity along the fore-and-aft direction, magnetism back subassembly's bottom butt is in the interior bottom of installation cavity, magnetism back subassembly's periphery lateral wall is limited by the centre gripping convex part.
As a preferable scheme, the front cover is provided with a hollowed-out part, the periphery of the rear side of the hollowed-out part is provided with an annular positioning groove, the front side of the bracket is convexly provided with an annular positioning part, and the annular positioning part is positioned in the annular positioning groove.
As a preferable scheme, the front side of the bracket is provided with a first annular mounting part, the diaphragm is assembled on the first annular mounting part, the middle part of the bracket is convexly provided with a second annular mounting part in a backward protruding mode, the first annular mounting part is arranged on the periphery of the second annular mounting part, and the mounting cavity is concavely arranged on the second annular mounting part from front to back.
As a preferred scheme, the support has a plurality of first through-holes that link up both sides around the support, and a plurality of first through-holes are arranged between first annular installation department, second annular installation department along annular interval, the support has a plurality of second through-holes, and a plurality of second through-holes are arranged on the back lateral wall of second annular installation department along annular interval, the second through-hole link up the inboard of second annular installation department and communicate in the installation cavity, second through-hole and centre gripping convex part alternate interval in proper order and arrange, the middle part of the back lateral wall of second annular installation department is provided with the third through-hole, the third through-hole communicates in the installation cavity.
As a preferable scheme, the rear side of support is provided with first tuning piece, second tuning piece and third tuning piece, first tuning piece, second tuning piece, third tuning piece cover in the rear side of first through-hole, second through-hole, third through-hole respectively.
As a preferred scheme, the magnetic return assembly comprises a yoke, a magnet and a washer, wherein the yoke is installed in the installation cavity, the bottom of the yoke is abutted to the inner bottom of the installation cavity, the outer peripheral side wall of the yoke is limited by the clamping convex part, the magnet is arranged in the yoke, the Hua Sidie is arranged on the front side of the magnet, and the rear end of the voice coil extends to the space among the washer, the magnet and the yoke.
As a preferable scheme, the rear side of the bracket is provided with a PCB board, the rear side of the bracket is provided with a positioning cavity at the periphery of the second annular mounting part, and the PCB board is assembled in the positioning cavity.
As a preferable mode, the clamping convex part extends backwards from the front side opening of the mounting cavity to the inner bottom of the mounting cavity.
Compared with the prior art, the magnetic return assembly has obvious advantages and beneficial effects, and particularly, the technical scheme is that the bracket is provided with the installation cavity with the front side opening, so that the magnetic return assembly can be arranged in the installation cavity from front to back, the front-to-back assembly mode of the magnetic return assembly is realized, the inner side wall of the installation cavity is convexly provided with a plurality of clamping convex parts, each clamping convex part extends to the inner bottom of the installation cavity along the front-to-back direction, the bottom of the magnetic return assembly is abutted against the inner bottom of the installation cavity, the outer peripheral side wall of the magnetic return assembly is limited by the clamping convex parts, and the bottom of the magnetic return assembly is directly contacted with the inner bottom of the installation cavity, so that the installation contact area of the magnetic return assembly is increased, the magnetic return assembly can be clamped and fixed by combining the clamping convex parts, the assembly is firmer, the loose phenomenon is avoided, and the phenomenon of glue overflow does not occur, and the tone quality is not influenced.
In order to more clearly illustrate the structural features, technical means, and specific objects and functions attained by the present utility model, the present utility model will be described in further detail with reference to the accompanying drawings and the specific embodiments.
Drawings
FIG. 1 is a schematic perspective view of the overall structure of an embodiment of the present utility model;
FIG. 2 is a schematic perspective view of another angular overall structure of an embodiment of the present utility model;
FIG. 3 is an exploded view of an embodiment of the present utility model;
FIG. 4 is another exploded view of an embodiment of the present utility model;
FIG. 5 is a cross-sectional view of an embodiment of the present utility model.
The attached drawings are used for identifying and describing:
10. front cover 11, hollow part
12. Annular positioning groove 20 and bracket
21. Mounting cavity 22, clamping boss
23. Annular positioning portion 24, first annular mounting portion
25. Second annular mounting portion 26, first through hole
27. Second through hole 28, third through hole
29. Positioning cavity 30, diaphragm
40. Voice coil 50 and yoke
60. Magnet 70, washer
80. PCB 101, first tuning piece
102. Second tuning member 103, third tuning member
104. And a through hole.
Detailed Description
Referring to fig. 1 to 5, specific structures of embodiments of the present utility model are shown.
The utility model provides a novel slim loudspeaker of structure includes protecgulum 10, support 20, diaphragm 30, voice coil loudspeaker voice coil 40 and magnetism back subassembly, the diaphragm 30 covers in the front side of support 20, protecgulum 10 covers in the front side of support 20 and cladding outside diaphragm 30, magnetism back subassembly is installed in support 20, voice coil loudspeaker voice coil 40 installs on diaphragm 30 and extends to magnetism back subassembly in, protecgulum 10 has fretwork portion 11, the rear side periphery of fretwork portion 11 has annular constant head tank 12, the protruding annular positioning portion 23 that is equipped with in the front side of support 20, annular positioning portion 23 is located in annular constant head tank 12 to realize the simple and easy equipment between protecgulum 10 and the support 20.
The support 20 is provided with a mounting cavity 21 with a front opening, a plurality of clamping convex parts 22 are convexly arranged on the inner side wall of the mounting cavity 21, the plurality of clamping convex parts 22 are sequentially arranged at intervals along a ring shape around the axis of the mounting cavity 21, each clamping convex part 22 extends along the front-back direction, the rear end of each clamping convex part 22 extends to the inner bottom of the mounting cavity 21, and specifically, the clamping convex parts 22 extend backwards from the front opening of the mounting cavity 21 to the inner bottom of the mounting cavity 21. The bottom of the magnetic return assembly abuts against the inner bottom of the mounting cavity 21, and the peripheral side wall of the magnetic return assembly is limited by the clamping convex part 22. So, can make the magnetic return subassembly install in the installation cavity 21 from the front to back, like this, realized the magnetic return subassembly from the front to back assembled mode, and the bottom of accessible magnetic return subassembly and the interior bottom direct contact of installation cavity 21 to increased the installation area of contact of magnetic return subassembly, and can combine centre gripping convex part 22 to carry out the centre gripping to the magnetic return subassembly and fix, thereby make the equipment more firm, avoided the phenomenon that loosens, and can not appear the phenomenon that overflows the glue and influence tone quality.
The magnetic return assembly comprises a yoke 50, a magnet 60 and a washer 70, wherein the yoke 50 is installed in the installation cavity 21, the bottom of the yoke 50 is abutted against the inner bottom of the installation cavity 21, the outer circumferential side wall of the yoke 50 is limited by the clamping convex part 22, the magnet 60 is arranged in the yoke 50, the washer 70 is overlapped on the front side of the magnet 60, and the rear end of the voice coil 40 extends to between the washer 70, the magnet 60 and the yoke 50.
The front side of the bracket 20 is provided with a first annular mounting part 24, the diaphragm 30 is assembled on the first annular mounting part 24, the middle part of the bracket 20 is convexly provided with a second annular mounting part 25 in a backward protruding mode, the first annular mounting part 24 is arranged on the periphery of the second annular mounting part 25, and the mounting cavity 21 is concavely arranged on the second annular mounting part 25 from front to back. The support 20 is provided with a plurality of first through holes 26 penetrating through the front side and the rear side of the support 20, the plurality of first through holes 26 are arranged between the first annular mounting part 24 and the second annular mounting part 25 along annular intervals, the support 20 is provided with a plurality of second through holes 27, the plurality of second through holes 27 are arranged on the rear side wall of the second annular mounting part 25 along annular intervals, the second through holes 27 penetrate through the inner side of the second annular mounting part 25 and are communicated with the mounting cavity 21, the second through holes 27 and the clamping convex parts 22 are sequentially and alternately arranged at intervals, a third through hole 28 is arranged in the middle of the rear side wall of the second annular mounting part 25, and the third through hole 28 is communicated with the mounting cavity 21. The magnetic return assembly is provided with a through hole 104, the through hole 104 penetrates through the washer 70, the magnet 60 and the yoke 50 from front to back in sequence, the through hole 104 is communicated with the third through hole 28, and the through hole 104 is overlapped with the axis of the third through hole 28. The rear side of the bracket 20 is provided with a first tuning piece 101, a second tuning piece 102 and a third tuning piece 103, and the first tuning piece 101, the second tuning piece 102 and the third tuning piece 103 are respectively covered on the rear sides of the first through hole 26, the second through hole 27 and the third through hole 28. Here, the first tuning piece 101, the second tuning piece 102, and the third tuning piece 103 may be tuning paper, tuning mesh, tuning iron mesh, or tuning pieces made of other materials, which only needs to be designed according to actual production requirements. The first through hole 26 is annular, the second through hole 27 is circular, and the third through hole 28 is circular, however, the first through hole 26, the second through hole 27, and the third through hole 28 are not limited to the above-mentioned shapes, and may be other shapes, and may be set according to actual production requirements. Here, the first tuning member 101 is of an annular structure with a notch, the second tuning member 102 is of an annular structure, and the third tuning member 103 is of a circular structure, and of course, the first tuning member 101, the second tuning member 102, and the third tuning member 103 are not limited to the above-mentioned shapes, but may be other shapes, and only need to be set according to actual production requirements. In this way, the first tuning member 101, the second tuning member 102, the third tuning member 103, and the first through hole 26, the second through hole 27, and the third through hole 28 are combined, which can be advantageous for tuning.
The rear side of the bracket 20 is provided with a PCB 80, the periphery of the rear side of the bracket 20 at the second annular mounting part 25 is provided with a positioning cavity 29, and the PCB 80 is assembled in the positioning cavity 29. The positioning cavity 29 is located between the two first through holes 26, and the positioning cavity 29 is annular.
In summary, the design of the utility model is mainly characterized in that the bracket is provided with the installation cavity with the front opening, so that the magnetic return assembly is arranged in the installation cavity from front to back, the front-to-back assembly mode of the magnetic return assembly is realized, the inner side wall of the installation cavity is convexly provided with a plurality of clamping convex parts, each clamping convex part extends to the inner bottom of the installation cavity along the front-to-back direction, the bottom of the magnetic return assembly is abutted to the inner bottom of the installation cavity, the outer side wall of the magnetic return assembly is limited by the clamping convex parts, and the bottom of the magnetic return assembly is directly contacted with the inner bottom of the installation cavity, so that the installation contact area of the magnetic return assembly is increased, the magnetic return assembly can be clamped and fixed by combining the clamping convex parts, the assembly is firmer, the phenomenon of loose is avoided, and the phenomenon of influence on sound quality caused by glue overflow does not occur.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model are still within the scope of the technical solutions of the present utility model.
Claims (8)
1. The utility model provides a novel slim loudspeaker of structure, includes protecgulum, support, diaphragm, voice coil loudspeaker voice coil and magnetism back subassembly, the diaphragm covers in the front side of support, the protecgulum covers in the front side of support and cladding outside the diaphragm, magnetism back subassembly is installed in the support, the voice coil loudspeaker voice coil is installed on the diaphragm and is extended to in the magnetism back subassembly, its characterized in that: the support has the installation cavity that the front side opening set up, the inside wall protruding in installation cavity is equipped with a plurality of centre gripping convex parts, and a plurality of centre gripping convex parts are arranged along annular interval in proper order around the axis in installation cavity, and every centre gripping convex part all extends along the back and forth direction and the rear end of centre gripping convex part extends to the interior bottom in installation cavity, the bottom butt in installation cavity of magnetic return subassembly, the periphery lateral wall of magnetic return subassembly is limited by the centre gripping convex part.
2. The novel structured slim speaker of claim 1, wherein: the front cover is provided with a hollowed-out part, the periphery of the rear side of the hollowed-out part is provided with an annular positioning groove, the front side of the support is convexly provided with an annular positioning part, and the annular positioning part is positioned in the annular positioning groove.
3. The novel structured slim speaker of claim 1, wherein: the front side of the support is provided with a first annular mounting part, the diaphragm is assembled on the first annular mounting part, the middle part of the support is convexly provided with a second annular mounting part in a backward protruding mode, the first annular mounting part is arranged on the periphery of the second annular mounting part, and the mounting cavity is concavely arranged on the second annular mounting part from front to back.
4. A novel structured slim speaker as claimed in claim 3, wherein: the support has a plurality of first through-holes that link up both sides around the support, a plurality of first through-holes are arranged between first annular installation department, second annular installation department along annular interval, the support has a plurality of second through-holes, and a plurality of second through-holes are arranged on the back lateral wall of second annular installation department along annular interval, the second through-hole link up the inboard of second annular installation department and communicate in the installation cavity, second through-hole and centre gripping convex part alternate interval in proper order and arrange, the middle part of the back lateral wall of second annular installation department is provided with the third through-hole, the third through-hole communicates in the installation cavity.
5. The novel structured thin horn according to claim 4, wherein: the rear side of support is provided with first tuning piece, second tuning piece and third tuning piece, first tuning piece, second tuning piece, third tuning piece cover in the rear side of first through-hole, second through-hole, third through-hole respectively.
6. The novel structured slim speaker of claim 1, wherein: the magnetic return assembly comprises a yoke, a magnet and a washer, wherein the yoke is installed in the installation cavity, the bottom of the yoke is abutted to the inner bottom of the installation cavity, the outer peripheral side wall of the yoke is limited by the clamping convex part, the magnet is arranged in the yoke, the Hua Sidie is arranged on the front side of the magnet, and the rear end of the voice coil extends to between the washer, the magnet and the yoke.
7. The novel structured slim speaker of claim 1, wherein: the rear side of support is provided with the PCB board, the rear side of support is provided with the location chamber in the periphery of second annular installation department, the PCB board is assembled in the location intracavity.
8. The novel structured slim speaker of claim 1, wherein: the clamping convex part extends backwards from the front side opening of the mounting cavity to the inner bottom of the mounting cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223187139.0U CN219555102U (en) | 2022-11-30 | 2022-11-30 | Thin horn with novel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223187139.0U CN219555102U (en) | 2022-11-30 | 2022-11-30 | Thin horn with novel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219555102U true CN219555102U (en) | 2023-08-18 |
Family
ID=87732020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223187139.0U Active CN219555102U (en) | 2022-11-30 | 2022-11-30 | Thin horn with novel structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219555102U (en) |
-
2022
- 2022-11-30 CN CN202223187139.0U patent/CN219555102U/en active Active
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| GR01 | Patent grant | ||
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