CN210807635U - Vibrating diaphragm structure for earphone - Google Patents
Vibrating diaphragm structure for earphone Download PDFInfo
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- CN210807635U CN210807635U CN202020087121.5U CN202020087121U CN210807635U CN 210807635 U CN210807635 U CN 210807635U CN 202020087121 U CN202020087121 U CN 202020087121U CN 210807635 U CN210807635 U CN 210807635U
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Abstract
The utility model relates to an earphone technical field especially relates to a vibrating diaphragm structure for earphone, and it is provided with the intermediate medium spare including the ball top that is located central authorities, the limit of hanging that is located the peripheral edge between ball top and the limit of hanging. Through set up middle medium spare between ball top and outstanding limit, harder ball top and softer outstanding limit are bridged by the middle medium spare that soft or hard is moderate, can reduce the division that produces when vibrating, phenomenon such as vibration delay to reduce the sound production distortion of earphone, let the high frequency sound of earphone purer, more dynamic and listening. Wherein, the utility model discloses whole cross-section is the falcate shape, but moon type vibrating diaphragm structure, and technical content is high, is applicable to most earphone, has wide market prospect.
Description
Technical Field
The utility model relates to an earphone technical field especially relates to a vibrating diaphragm structure for earphone.
Background
For the most commonly used moving coil earphone, there are many factors affecting the sound quality, and the diaphragm is one of the key components that relate to whether the earphone can have good sound. The diaphragm is a sensitive element to magnetic field changes, which are caused by the change of the magnetic field when an electric signal passes through the coil, resulting in the deformation of the diaphragm under force. Because the electric signal changes very fast, leads to the high-speed vibration of vibrating diaphragm, and the vibration transmission of rethread vibrating diaphragm is for the air to the sound wave has been produced. In this process, the quality of the diaphragm determines the overall quality of the earphone.
At present, most of plastic vibrating diaphragms for earphones are pressed into a whole on the market, and comprise a ball top positioned at the center and a suspension edge positioned on the peripheral edge of the ball top, wherein the front surface of the ball top is an upward convex spherical surface, the back surface of the ball top is an upward concave spherical surface, the suspension edge is annular, the cross section of the suspension edge is arc-shaped, and the rigidity of the plastic vibrating diaphragm is poor. In view of this, some manufacturers use a metal material with better rigidity to make the top portion of the diaphragm, and use a softer plastic to make the suspended edge portion of the diaphragm, so as to obtain the diaphragm with better rigidity, but the structure of the diaphragm has the following disadvantages: the ball top made of metal materials is heavy, the suspension edge made of softer plastics is light, and the vibrating diaphragm is prone to generate phenomena of large segmentation vibration, vibration delay and the like during vibration, so that sound distortion is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can reduce the vibrating diaphragm structure for earphone of cutting apart phenomenons such as vibration, vibration time delay to prior art not enough.
The purpose of the utility model is realized through the following technical measures:
a vibrating diaphragm structure for an earphone comprises a ball top positioned in the center and a suspension edge positioned on the peripheral edge, wherein an intermediate medium piece is arranged between the ball top and the suspension edge, the inner end of the intermediate medium piece is connected with the ball top, and the outer end of the intermediate medium piece is connected with the suspension edge; wherein, the hardness of the material for manufacturing the ball top is greater than that of the material for manufacturing the intermediate medium piece, and the hardness of the material for manufacturing the intermediate medium piece is greater than that of the material for manufacturing the suspension edge; namely, the material for manufacturing the ball top is harder, the material for manufacturing the suspension edge is softer, and the material for manufacturing the intermediate medium piece is moderate in hardness.
Preferably, the dome is made of beryllium, titanium, magnesium-aluminum alloy, DIAMOND-LIKE CARBON (DLC, also called DIAMOND-LIKE CARBON coating), or CARBON nanotube.
Preferably, the intermediate medium member is made of PEN (polyethylene naphthalate), PEI (polyetherimide) or PEEK (polyetheretherketone).
Preferably, the suspension edge is made of PU (polyurethane), PET (polyethylene terephthalate) or PAR (polyarylate).
As a preferred scheme, the front surface of the top dome is an upward convex spherical surface, and the back surface of the top dome is an upward concave spherical surface; the suspension edge and the intermediate medium piece are both annular.
Preferably, the section of the intermediate medium member is in a V shape, a U shape or an S shape.
Preferably, the cross section of the suspension edge is in an upwardly arched circular arc shape or a horizontally placed 'S' shape.
Preferably, the outer diameter of the suspension edge is 8-50 mm.
The utility model has the advantages that: through set up middle medium spare between ball top and outstanding limit, harder ball top and softer outstanding limit are bridged by the middle medium spare that soft or hard is moderate, can reduce the division that produces when vibrating, phenomenon such as vibration delay to reduce the sound production distortion of earphone, let the high frequency sound of earphone purer, more dynamic and listening. Wherein, the utility model discloses whole cross-section is the falcate shape, but moon type vibrating diaphragm structure, and technical content is high, is applicable to most earphone, has wide market prospect.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram of the preferred embodiment of the present invention.
Fig. 2 is an enlarged schematic view at a in fig. 1.
Fig. 3 is a schematic diagram of the back structure of the preferred embodiment of the present invention.
Reference numerals: 1-ball top, 2-suspension edge, 21-second inclined surface, 22-horizontal edge, 3-intermediate medium piece, 31-first inclined surface, 32-first cambered surface and 4-support ring.
Detailed Description
In order to explain the technical solution of the present invention in detail, the following will combine the drawings of the embodiments of the present invention to perform clear and complete description on the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the vibrating diaphragm structure for an earphone of the present invention includes a dome 1 located at the center and a suspension edge 2 located at the peripheral edge, wherein an intermediate medium member 3 is disposed between the dome 1 and the suspension edge 2. The inner end of the middle medium piece 3 is connected with the top 1, and the outer end of the middle medium piece 3 is connected with the suspension edge 2; wherein, the hardness of the material for manufacturing the ball top 1 is greater than that of the material for manufacturing the intermediate medium part 3, and the hardness of the material for manufacturing the intermediate medium part 3 is greater than that of the material for manufacturing the suspension edge 2; namely, the material for manufacturing the ball top 1 is harder, the material for manufacturing the suspension edge 2 is softer, and the material for manufacturing the intermediate medium piece 3 is moderate in hardness. Like this, by harder dome 1 of soft or hard moderate intermediate medium piece 3 bridging and softer dangling limit 2, can reduce the phenomenon such as the segmentation vibration that produces during the vibration, vibration delay to reduce the sound production distortion of earphone, make the high frequency sound of earphone purer, more dynamic and listen. The hardness is preferably Rockwell hardness, such as: the Rockwell hardness of the ball top is 1 higher than that of the intermediate medium piece and 3 higher than that of the suspension edge is 2; as a next alternative, the hardness may be applied to brinell hardness, vickers hardness, mohs hardness, and the like.
As a preferred scheme, the dome 1 may be made of beryllium, titanium, magnesium-aluminum alloy, diamond-like or carbon nanotube, or may be made of hard metal or non-metal material, and these hard materials can reduce the full frequency distortion caused by the splitting vibration, so that the sound of the earphone is more realistic and full. The suspension edge 2 can be made of PU, PET or PAR, and the softer materials can increase the moving stroke of the diaphragm, so that the dynamic and transient state of sound is more excellent, the sound field is larger, and the low-frequency atmosphere sense is stronger; the outer diameter of the suspension edge 2 is 8-50 mm, and the earphone is suitable for most earphones. The intermediate medium piece 3 can be made of PEN, PEI or PEEK, and the materials are moderate in hardness and have good bridging transition effect, so that distortion caused by phenomena such as vibration delay and the like is reduced. It should be noted that the above materials for manufacturing the dome 1, the suspension edge 2 and the middle medium member 3 are only preferred materials for use in the present invention, and other materials that can be manufactured also belong to the protection scope of the present invention.
In the utility model, the front surface of the top 1 is a convex spherical surface, and the back surface of the top 1 is a concave spherical surface; the suspension edge 2 and the intermediate medium piece 3 are both annular. Wherein, the cross-section of intermediate medium spare can be "V" shape, "U" shape or "S" shape, and it is required to explain, the shape of above-mentioned intermediate medium spare, only the utility model discloses an optimal scheme accords with the utility model discloses other shapes of injecing the characteristic also belong to the utility model discloses a protection scope. Wherein, the cross-section of dangling limit can be the convex or the level of upwards hunch-up "S" shape of placing, it is to explain that, the shape of above-mentioned dangling limit, only the utility model discloses an optimal selection scheme accords with the utility model discloses other shapes of injecing the characteristic also belong to the utility model discloses a protection scope.
As shown in fig. 1 to 3, the specific structure of the present embodiment is as follows: the front surface of the top 1 is a convex spherical surface, and the back surface of the top 1 is a concave spherical surface; the suspension edge 2 and the intermediate medium piece 3 are both annular; the section of the suspension edge 2 is in an arc shape which is arched upwards, and the section of the intermediate medium piece 3 is in a V shape; a first inclined plane 31 is formed at the inner end of the intermediate medium piece 3, and the back surface of the first inclined plane 31 is stuck and fixed on the top 1; a first cambered surface 32 is formed at the outer end of the middle medium piece 3, and the front surface of the first cambered surface 32 is stuck and fixed on the suspension edge 2; a second inclined plane 21 is formed at the inner end of the suspension edge 2, and the back surface of the second inclined plane 21 is stuck and fixed on the front surface of the first inclined plane 31; the outer end of the hanging edge 2 is formed with a horizontal edge 22, and a support ring 4 is stuck on the back of the horizontal edge 22, and the support ring 4 can be a copper ring. Above-mentioned structure lets intermediate medium spare 3 inseparabler with the connection of dome 1, dangling limit 2 respectively, and intermediate medium spare 3 transition bridging's effect is better, can further reduce the phenomenon such as the segmentation vibration, the vibration time delay that produce when vibrating. Of course, the above structure is only a preferred embodiment of the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the described embodiments belong to the protection scope of the present invention, for example: the first inclined plane 31 accessible glue of middle medium spare 3 is pasted in the front or the back of dome 1, and the first cambered surface 32 accessible glue of middle medium spare 3 is pasted in the front or the back of dangling limit 2, all belongs to the utility model discloses the scope of protection.
It should be emphasized once more that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention are modified or replaced with equivalent solutions, which all belong to the scope of the present invention.
Claims (10)
1. A diaphragm structure for an earphone, comprising a dome (1) at the center, a suspension edge (2) at the peripheral edge, characterized in that: an intermediate medium piece (3) is arranged between the ball top (1) and the suspension edge (2), the inner end of the intermediate medium piece (3) is connected with the ball top (1), and the outer end of the intermediate medium piece (3) is connected with the suspension edge (2); wherein, the hardness of the material for manufacturing the ball top (1) is greater than that of the material for manufacturing the intermediate medium piece (3), and the hardness of the material for manufacturing the intermediate medium piece (3) is greater than that of the material for manufacturing the suspension edge (2).
2. The diaphragm structure for an earphone according to claim 1, wherein: the ball top (1) is made of beryllium, titanium, magnesium-aluminum alloy, diamond-like or carbon nano tubes.
3. The diaphragm structure for an earphone according to claim 1, wherein: the intermediate medium piece (3) is made of PEN, PEI or PEEK.
4. The diaphragm structure for an earphone according to claim 1, wherein: the hanging edge (2) is made of PU, PET or PAR.
5. The diaphragm structure for an earphone according to claim 1, wherein: the front surface of the dome (1) is an upward convex spherical surface, and the back surface of the dome (1) is an upward concave spherical surface; the suspension edge (2) and the intermediate medium piece (3) are both annular.
6. The diaphragm structure for an earphone according to claim 5, wherein: the section of the intermediate medium piece (3) is V-shaped, U-shaped or S-shaped.
7. The diaphragm structure for an earphone according to claim 5, wherein: the section of the suspension edge (2) is in an upwardly arched arc shape or a horizontally placed S shape.
8. The diaphragm structure for an earphone according to claim 5, wherein: the section of the suspended edge (2) is in an arc shape which is arched upwards, and the section of the intermediate medium piece (3) is in a V shape; wherein, the inner end of the intermediate medium piece (3) is formed with a first inclined plane (31), and the back of the first inclined plane (31) is stuck and fixed on the top of the ball (1); the outer end of the middle medium piece (3) is formed with a first cambered surface (32), and the front surface of the first cambered surface (32) is stuck and fixed on the suspension edge (2).
9. The diaphragm structure for an earphone according to claim 8, wherein: a second inclined plane (21) is formed at the inner end of the suspension edge (2), and the back surface of the second inclined plane (21) is stuck and fixed on the front surface of the first inclined plane (31); the outer end of the hanging edge (2) is formed with a horizontal edge (22), and the back of the horizontal edge (22) is stuck with a support ring (4).
10. The diaphragm structure for an earphone according to claim 1, wherein: the outer diameter of the suspension edge (2) is 8-50 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020087121.5U CN210807635U (en) | 2020-01-14 | 2020-01-14 | Vibrating diaphragm structure for earphone |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020087121.5U CN210807635U (en) | 2020-01-14 | 2020-01-14 | Vibrating diaphragm structure for earphone |
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| CN210807635U true CN210807635U (en) | 2020-06-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111131973A (en) * | 2020-01-14 | 2020-05-08 | 东莞达电电子有限公司 | Vibrating diaphragm structure for earphone |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111131973A (en) * | 2020-01-14 | 2020-05-08 | 东莞达电电子有限公司 | Vibrating diaphragm structure for earphone |
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