CN210120662U - Miniature earphone sounding monomer - Google Patents
Miniature earphone sounding monomer Download PDFInfo
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- CN210120662U CN210120662U CN201921559159.1U CN201921559159U CN210120662U CN 210120662 U CN210120662 U CN 210120662U CN 201921559159 U CN201921559159 U CN 201921559159U CN 210120662 U CN210120662 U CN 210120662U
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- earphone
- voice coil
- opening
- annular
- flat plate
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Abstract
The utility model discloses a miniature earphone sound production monomer, include: the shell body, annular magnet, T shape magnetizer, annular china department, the cover body, vibrating diaphragm and voice coil loudspeaker voice coil, the shell body has first opening, first lead wire slot, bear seat and second opening, annular magnet has the hollow portion that the position corresponds the second opening, annular china department sets up and bears between seat and the annular magnet, T shape magnetizer includes flat board portion and protruding portion, protruding portion connects in flat board portion and holding in hollow portion, flat board portion has the air vent of intercommunication hollow portion, the cover body has the sound hole and the cladding bears the seat, the vibrating diaphragm presss from both sides and locates and bears between the seat and the cover body, the voice coil loudspeaker voice coil passes through annular china department. The utility model discloses a miniature earphone sound production monomer can be below 4.5 millimeters, breaks through the processing procedure limit of the speaker of traditional moving coil earphone.
Description
Technical Field
The utility model relates to a sound production monomer, more particularly relate to a supply miniature earphone sound production monomer that mini earphone was used.
Background
In recent years, 3C electronic products are gradually developed to be light, thin and small, so that earphone products used in the 3C field also need to be matched with a reduced volume, especially current ear canal earphones, and if miniaturization is further realized, the sound generating unit inside the earphone needs to be miniaturized first, however, the miniaturization of the sound generating unit can cause the assembly of the sound generating unit to be more difficult, and therefore, the miniaturization of the sound generating unit is not easy to realize unless the structural design of the known sound generating unit is improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve all kinds of problems of the known earphone sounding monomer, and provides a miniature earphone sounding monomer.
To achieve the above and other objects, the present invention provides a sound producing unit for a micro earphone, which comprises: the shell is provided with a first opening, a first lead groove and a bearing seat, and the bearing seat is provided with a second opening; the annular magnet is arranged on the bearing seat and positioned in the outer shell, and the annular magnet is provided with a hollow part corresponding to the second opening in position; the annular washer is arranged between the bearing seat and the annular magnet; the T-shaped magnetizer is arranged in the shell and comprises a flat plate part and a protruding part, the flat plate part is arranged on the annular magnet, the protruding part is connected with the flat plate part and is contained in the hollow part, and the flat plate part is provided with a vent hole communicated with the hollow part; the cover body is provided with a sound hole and wraps the bearing seat, the vibrating diaphragm is clamped between the bearing seat and the cover body, and the voice coil passes through the annular washer; wherein, the diameter of the sound generating unit of the micro-earphone is less than 4 mm.
Optionally, the sound generating unit of the micro-earphone further includes an electrical connection member disposed on the flat plate portion and opposite to the protruding portion.
Optionally, in the sounding unit of a micro headset described above, the electrical connection member is U-shaped and surrounds a portion of the vent hole.
Optionally, in the above-mentioned sound generating unit of a micro headset, two leads of the voice coil are electrically connected to the electrical connecting member through the first lead groove.
Optionally, in the sound generating unit of the micro-earphone, the voice coil is connected to the diaphragm and disposed in the hollow portion of the ring-shaped magnet through the second opening.
Optionally, in the sound generating unit of a micro-headset, the cover body has a second lead groove corresponding to the first lead groove, and the lead passes through the second lead groove.
Optionally, in the sound generating unit of a micro headset, a diameter of the sound generating unit of a micro headset is 4.0 mm or less.
Therefore, the utility model discloses a miniature earphone sound production monomer compares in prior art, and its diameter can reduce to below 4.5 millimeters, breaks through the processing procedure limit of traditional moving coil earphone's speaker.
For a further understanding of the nature and technical content of the invention, reference should be made to the following detailed description of the invention and to the accompanying drawings, which are provided for illustration purposes only and are not intended to limit the scope of the invention.
Drawings
Fig. 1 is a schematic view of an appearance of a sounding unit of a micro earphone according to an embodiment of the present invention.
Fig. 2 is a schematic view of an appearance of the sounding unit of the micro-earphone according to the embodiment of the present invention.
Fig. 3 is an exploded schematic view of the sounding unit of the micro-earphone according to the embodiment of the present invention.
Fig. 4 is a schematic perspective cross-sectional view of fig. 2 without leads.
Fig. 5 is a schematic perspective cross-sectional view of fig. 1.
Reference numerals:
100 micro earphone sounding unit
1 outer casing
11 first opening
12 first lead groove
13 bearing seat
14 second opening
2 ring magnet
21 hollow part
3T-shaped magnetizer
31 flat plate part
32 projecting part
33 venthole
4 electric connection member
41 conductive part
411 first electric contact
412 second electrical contact
42 insulating part
51 cover body
511 sound hole
512 second lead groove
52 diaphragm
53 Voice coil
531 lead wire
61 rubber ring component
62 surface rubber component
63 fixed glue component
64 rubber ring component
7 annular washer
Detailed Description
In order to fully understand the present invention, the following detailed description is given with reference to the accompanying drawings. The objects, features and functions of the present invention will be apparent to those skilled in the art from the disclosure of the present specification. It is to be noted that the present invention may be practiced or applied in other embodiments and that various modifications and changes may be made in the details of the description without departing from the spirit of the invention. In addition, the drawings attached to the present invention are only for simple schematic illustration and are not drawn to actual dimensions. The following embodiments will further explain the related art of the present invention in detail, but the disclosure is not intended to limit the claims of the present invention. The description is as follows:
as shown in fig. 1 to 5, the sound generating unit 100 of the micro-earphone includes an outer casing 1, a ring magnet 2, a ring washer 7, a T-shaped magnetic conductor 3, an electrical connection member 4, a cover 51, a diaphragm 52, and a voice coil 53.
The outer casing 1 is hollow cylindrical and has a first opening 11, a first lead groove 12 and a carrying seat 13, and the carrying seat 13 is provided with a second opening 14. The outer case 1 is a light and easily manufactured component such as an aluminum alloy case, for example, but the present invention is not limited thereto.
The ring magnet 2 is disposed on the carrying seat 13 and located in the outer casing 1, and the ring magnet 2 has a hollow portion 21 corresponding to the second opening 14.
The ring washer 7 is disposed between the carrier 13 and the ring magnet 2.
The T-shaped magnetizer 3 is arranged in the outer shell 1. The T-shaped magnetizer 3 includes a flat plate portion 31 and a protruding portion 32, the flat plate portion 31 is disposed on the lower surface of the ring-shaped magnet 2, the protruding portion 32 is connected to the upper surface of the flat plate portion 31 and is accommodated in the hollow portion 21 (and is also accommodated in the hollow portion of the ring-shaped washer 7), and the flat plate portion 31 has a vent hole 33 communicated with the hollow portion 21. The micro-earphone sound generating unit 100 can let the air flow inside it pass through the vent hole 33, so as to make the diaphragm 52 vibrate smoothly. In fig. 2, one vent hole 33 is shown, however, in the present embodiment, the vent hole 33 is not limited to one. In various possible embodiments, the vent holes may be one, or two. Further, if there are two ventilation holes 33, the ventilation holes 33 can be symmetrically distributed on both sides of the protrusion 32, so that the internal airflow can flow out more evenly.
The electrical connection member 4 is disposed on the lower surface of the flat plate portion 31 and faces away from the protruding portion 32, and the electrical connection member 4 is U-shaped and surrounds a part of the ventilation hole 33. In the present embodiment, the electrical connection member 4 includes two conductive portions 41 and an insulating portion 42, the two conductive portions 41 are disposed on the insulating portion 42, the two conductive portions 41 respectively have a first electrical contact 411 and a second electrical contact 412 connected to each other, the two leads 531 of the voice coil 53 are respectively electrically connected to the first electrical contact 411 and can be covered with a protective adhesive, and the second electrical contact 412 can be respectively electrically connected to two external electronic wires (not shown). The insulating portion 42 separates the two conductive portions 41 and the flat plate portion 31. In the present embodiment, the electrical connection member 4 is a printed circuit board, however, the present invention is not limited thereto.
The cover 51 has sound holes 511 and covers the susceptor 13, and the diaphragm 52 is interposed between the susceptor 13 and the cover 51. The voice coil 53 passes through the ring washer 7, is connected to the diaphragm 52, and is disposed in the hollow portion 21 of the ring magnet 2 through the second opening 14, the voice coil 53 surrounds the protrusion 32, and the two leads 531 of the voice coil 53 are connected to the two conductive portions 41 of the electrical connection member 4 through the first lead grooves 12, respectively. In addition, the sound generating unit 100 of the present invention can combine the cover 51, the diaphragm 52 and the voice coil 53 into a whole and combine with the outer casing 1, the ring-shaped washer 7, the ring-shaped magnet 2, the T-shaped magnetizer 3 and the electric connecting member 4. Wherein, the diameter of the sound production unit of the micro-earphone of the utility model is below 4.5 mm.
Borrow by foretell structure, make the utility model discloses a miniature earphone sound production monomer 100 can borrow the design of the unilateral air vent 33 and the magnetism of optimizing of T shape magnetizer 3 and return the equipment process, breaks through the processing procedure limit below traditional moving coil earphone sound production monomer diameter 4 millimeters. The main advantage of the sound generating unit 100 of the present invention is to provide a product design choice for ear canal type earphone, for example, on multi-channel earphone or hearing aid products, providing more middle and low frequency sense and broader frequency response range than the existing sound generating unit using the balanced armature structure.
Further, in an embodiment, as shown in fig. 4, the sound generating unit 100 of the present invention further includes a rubber ring member 61, a surface rubber member 62, a fixing rubber member 63, and a rubber ring member 64.
The rubber ring member 61 is disposed between the inner wall surface of the outer case 1 and the outer edge of the flat plate portion 31 to fix the T-shaped magnetizer 3.
The surface glue member 62 is disposed between the flat plate portion 31 and the electrical connection member 4 to fix the electrical connection member 4.
The fixing adhesive member 63 is provided between the inner wall surface of the outer case 1 and the outer edge of the electrical connection member 4 to further fix the electrical connection member 4.
The rubber ring member 64 is disposed between the inner wall surface of the cover 51 and the outer edge of the carrier 13 to fix the cover 51.
Next, how to assemble the earphone sound generating unit 100 of the present invention will be described.
Firstly, the annular washer 7, the annular magnet 2 and the T-shaped magnetizer 3 are sequentially placed into the outer shell 1 one by one. At this time, the annular washer 7, the annular magnet 2 and the T-shaped magnetizer 3 are fixed to each other only by magnetic force and are not combined with other adhesives, so that the central axes of the three are consistent when the magnet is placed in the outer casing, and the outer diameters of the three are substantially the same as the inner diameter of the outer casing. In other words, the three parts and the outer shell 1 are combined in a close and tight fit.
Next, a rubber ring member 61 is applied to a joint between the inner wall surface of the outer case 1 and the outer edge of the flat plate portion 31 to fix the annular washer 7, the annular magnet 2, and the T-shaped magnetic conductor 3.
After that, a coating member 62 is coated between the flat plate portion 31 and the electrical connection member 4 to join the flat plate portion 31 and the electrical connection member 4.
Next, a fixing adhesive member 63 is applied between the inner wall surface of the outer case 1 and the outer edge of the electrical connection member 4 to further fix the electrical connection member 4.
Then, a rubber ring member 64 is applied between the inner wall surface of the cover 51 and the outer edge of the susceptor 13 to fix the cover 51 to the outer housing 1.
Finally, the two leads 531 of the voice coil 53 are electrically connected (soldered) to the first electrical contacts 411 on the electrical connection member 4 through the first lead grooves 12, and may be further covered with a protective adhesive. Thus, the sound production unit 100 of the earphone of the present invention is completed.
Further, in one embodiment, as shown in fig. 1 to 3, the cover 51 has a second lead groove 512 corresponding in position to the first lead groove 12. Therefore, the two lead wires 531 can be more conveniently extended out.
Further, in one embodiment, the diameter of the sound emitting unit 100 of the micro headset is 4.0 mm.
Further, in one embodiment, as shown in fig. 2, the insulation 42 may be U-shaped to surround a portion of the vent hole 33.
The present invention has been disclosed in terms of preferred embodiments, but those skilled in the art will recognize that such embodiments are merely illustrative of the present invention and should not be construed as limiting the scope of the invention. It should be noted that all changes and substitutions equivalent to those of the described embodiments are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention is defined by the following claims.
Claims (7)
1. The utility model provides a miniature earphone sound production monomer which characterized in that, miniature earphone sound production monomer includes:
the shell is provided with a first opening, a first lead groove and a bearing seat, and the bearing seat is provided with a second opening;
the annular magnet is arranged on the bearing seat and positioned in the outer shell, and the annular magnet is provided with a hollow part corresponding to the second opening;
the annular washer is arranged between the bearing seat and the annular magnet;
the T-shaped magnetizer is arranged in the outer shell and comprises a flat plate part and a protruding part, the flat plate part is arranged on the annular magnet, the protruding part is connected with the flat plate part and is contained in the hollow part, and the flat plate part is provided with a vent hole communicated with the hollow part; and
the voice coil is arranged on the bearing seat and is clamped between the bearing seat and the cover body, and the voice coil passes through the annular washer;
wherein, the diameter of the sound production unit of the micro-earphone is less than 4.5 mm.
2. The sounding unit of claim 1, further comprising an electrical connection member disposed on the flat plate portion and opposite to the protrusion.
3. The earpiece sound generating unit of claim 2, wherein the electrical connection member is U-shaped and surrounds a portion of the vent.
4. The earpiece sound generating unit of claim 2, wherein the two leads of the voice coil are electrically connected to the electrical connection member through the first lead groove.
5. The sound generating unit of claim 1, wherein the voice coil is connected to the diaphragm and disposed in the hollow portion of the ring magnet through the second opening.
6. The headphone sound generating cell according to claim 4, wherein the cover has a second lead groove corresponding in position to the first lead groove, the lead passing through the second lead groove.
7. The sounding unit of a micro-earphone according to claim 1, wherein the sounding unit of a micro-earphone has a diameter of 4.0 mm or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921559159.1U CN210120662U (en) | 2019-09-18 | 2019-09-18 | Miniature earphone sounding monomer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921559159.1U CN210120662U (en) | 2019-09-18 | 2019-09-18 | Miniature earphone sounding monomer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210120662U true CN210120662U (en) | 2020-02-28 |
Family
ID=69617464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921559159.1U Active CN210120662U (en) | 2019-09-18 | 2019-09-18 | Miniature earphone sounding monomer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210120662U (en) |
-
2019
- 2019-09-18 CN CN201921559159.1U patent/CN210120662U/en active Active
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