CN207638871U - A kind of vibrating diaphragm and the acoustical generator including the vibrating diaphragm - Google Patents
A kind of vibrating diaphragm and the acoustical generator including the vibrating diaphragm Download PDFInfo
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- CN207638871U CN207638871U CN201721428068.5U CN201721428068U CN207638871U CN 207638871 U CN207638871 U CN 207638871U CN 201721428068 U CN201721428068 U CN 201721428068U CN 207638871 U CN207638871 U CN 207638871U
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- vibrating diaphragm
- central portion
- reinforcement part
- fixed
- voice coil
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model provides a kind of vibrating diaphragm, and the vibrating diaphragm includes the ring portion being wholely set with fixed part with the fixed fixed part of acoustical generator shell, the central portion being located on the inside of ring portion, and is combined fixed reinforcement part with the central portion；The reinforcement part includes：Fixed bonding plane is combined with central portion surface；And it is several through the bonding hole of the bonding plane；The central portion includes the lug boss being plugged in the bonding hole formed by central portion surface outwardly convex in the corresponding bonding hole.The invention also discloses a kind of acoustical generators including above-mentioned vibrating diaphragm.Diaphragm structure provided by the utility model strengthens the bonding force of vibrating diaphragm central portion and reinforcement part, so that acoustical generator while can ensure stability of vibration system, can carry out prolonged big displacement vibration, convenient for improving the acoustical behavior of acoustical generator.
Description
Technical field
The utility model is related to electroacoustic switch technology fields.More particularly, to a kind of vibrating diaphragm and including the vibrating diaphragm
Acoustical generator.
Background technology
Acoustical generator is a kind of device that can convert electrical energy into acoustic energy, belongs to most basic phonation unit, answers extensively
For in the terminal devices such as mobile phone.
General acoustical generator include shell and and the vibrational system and magnetic circuit system that are contained in the shell, wherein vibration system
System includes vibrating diaphragm and the voice coil that is incorporated into below vibrating diaphragm.In diaphragm structure, the vibrating diaphragm has generally included fixed part, with fixation
The ring portion for the male female structure that portion is wholely set and the central portion in ring portion, in the prior art in order to increase vibrating diaphragm
Rigidity, improve the vibration performance of vibrating diaphragm, it will usually on the central portion of vibrating diaphragm combine be fixed with reinforcement part.As acoustical generator makes
The requirement of used time sound pressure level is higher and higher, requires the vibration displacement of product also increasing.When voice coil drives diaphragm oscillations, by
Bonding force in vibrating diaphragm and reinforcement part is not big enough so that vibrating diaphragm and reinforcement part are detached from, and be can not work normally, are influenced the sound of acoustical generator
Learn performance.
Accordingly, it is desirable to provide a kind of new diaphragm structure, to overcome the defect present in the above-mentioned prior art.
Utility model content
One of the utility model is designed to provide a kind of vibrating diaphragm, to solve vibrating diaphragm and reinforcement in acoustical generator vibrating diaphragm product
The bonding force in portion is not big enough so that vibrating diaphragm and reinforcement part are detached from, and the problem of can not work normally, improve the acoustics of acoustical generator
Energy.
Another of the utility model is designed to provide a kind of acoustical generator including above-mentioned vibrating diaphragm.
In order to achieve the above objectives, the utility model uses following technical proposals：
The utility model provides a kind of vibrating diaphragm, the vibrating diaphragm include with the fixed fixed part of acoustical generator shell, with fixation
The ring portion that portion is wholely set, the central portion being located on the inside of ring portion, and combined fixed reinforcement part with the central portion；
The reinforcement part includes：Fixed bonding plane is combined with central portion surface；And it is several through the bonding plane
It is bonded hole；
The central portion includes being glued by outwardly convex being plugged in of being formed in central portion surface is described for the corresponding bonding hole
Connect the lug boss in hole.
Preferably, the bonding hole is blind hole or for through the through-hole of the reinforcement part upper and lower surface.
Preferably, the reinforcement part is located at a side surface of the close or separate voice coil of vibrating diaphragm central portion.
Preferably, the central portion of the vibrating diaphragm further includes that being recessed inwardly by central portion surface for the corresponding reinforcement part is formed
Interior concave portion, reinforcement part is accommodated in the interior concave portion；The lug boss is formed on the bottom surface of the interior concave portion.
Preferably, the central hollow out of the central portion, hollow out edge are located at the inside of the lug boss.
Preferably, the central hollow out of the interior concave portion, hollow out edge are located at the inside of the lug boss.
Preferably, bonding hole being arranged circumferentially along the reinforcement part；The horizontal cross sectional geometry in the bonding hole
For rectangle, square, ellipse and or track type.
The utility model additionally provides a kind of acoustical generator, and the acoustical generator includes vibrational system, and the vibrational system includes
Such as above-mentioned vibrating diaphragm and the voice coil combined with the vibrating diaphragm.
Preferably, the voice coil is located at the homonymy of the vibrating diaphragm with the reinforcement part, and the voice coil combines and is fixed on institute
On the side surface for stating the separate vibrating diaphragm of reinforcement part, and voice coil edge is located at the inside of the lug boss.
Preferably, the voice coil is located at the homonymy of the vibrating diaphragm with the reinforcement part, and the voice coil is in conjunction with described in being fixed on
The edge of the central portion of vibrating diaphragm on the outside of reinforcement part；Or the voice coil is in conjunction with the separate of the central portion for being fixed on the vibrating diaphragm
On the surface of the reinforcement part.
The beneficial effects of the utility model are as follows：
Compared with prior art, diaphragm structure provided by the utility model is combined admittedly in reinforcement part with central portion surface
Fixed bonding plane forms the lug boss in energy grafting bonding hole, vibrating diaphragm and benefit when forming vibrating diaphragm central portion provided with bonding hole
Other than bonding region is bonded, the lug boss for being also bonded hole firmly holds reinforcement part, strengthens vibrating diaphragm and reinforcement part in strong portion
Bonding force shake so that acoustical generator while can ensure stability of vibration system, can carry out prolonged big displacement
It is dynamic, convenient for improving the acoustical behavior of acoustical generator.
Description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 shows a kind of diaphragm structure schematic diagram of embodiment of the utility model.
Fig. 2 shows the diaphragm structure schematic diagrames of the utility model another embodiment.
Fig. 3 shows a kind of one of the reinforcement part schematic diagram of embodiment of the utility model.
Fig. 4 shows the two of the reinforcement part schematic diagram of a kind of embodiment of the utility model.
Fig. 5 shows the three of the reinforcement part schematic diagram of a kind of embodiment of the utility model.
Fig. 6 shows a kind of structural schematic diagram of the acoustical generator vibrational system of embodiment provided by the utility model.
Fig. 7 shows the structural schematic diagram of the acoustical generator vibrational system of another embodiment provided by the utility model.
Fig. 8 shows a kind of structural schematic diagram of the acoustical generator of embodiment provided by the utility model.
In attached drawing, 1, fixed part, 2, ring portion, 3, central portion, 31, lug boss, 4, reinforcement part, 41, bonding plane, 42, viscous
Connect hole, 5, voice coil, 6, shell, 7, lower conductive magnetic yoke, 71, centring magnet, 72, center magnetic conductive board, 73, side magnet, 74, side magnetic conduction
Plate.
Specific implementation mode
In order to illustrate more clearly of the utility model, the utility model is done into one with reference to preferred embodiments and drawings
The explanation of step.Similar component is indicated with identical reference numeral in attached drawing.It will be appreciated by those skilled in the art that below
Specifically described content is illustrative and be not restrictive, and should not limit the scope of protection of the utility model with this.
In order to reinforce the bonding force of vibrating diaphragm and reinforcement part, the acoustical behavior of acoustical generator is improved, the utility model provides a kind of
For the vibrating diaphragm of acoustical generator, as shown in the figures 1 and 2, the vibrating diaphragm include with the fixed fixed part 1 of acoustical generator shell, with fixed part 1
The ring portion 2 being wholely set, is located at the central portion 3 of 2 inside of ring portion, and is combined fixed reinforcement part with the central portion 3
4；The reinforcement part 4 includes：Fixed bonding plane 41 is combined with 3 surface of central portion；And it is several along 4 circumferential direction side of the reinforcement part
When running through the bonding hole 42 of the bonding plane 41 to the one end being uniformly arranged, such as being provided with multiple bonding holes 42, it can take
Symmetrical mode is arranged；The central portion 3 includes being inserted by what 3 surface outwardly convex of central portion was formed for the corresponding bonding hole 42
The lug boss 31 being located in the bonding hole 42.
In existing acoustical generator, when reinforcement part 4 is adhesively fixed with central portion 3, there are adhesion zones between central portion 3 and reinforcement part 4
Domain, during voice coil drives diaphragm oscillations, since the vibration of big displacement can make central portion 3 come unglued with reinforcement part 4
Phenomenon so that vibrating diaphragm and reinforcement part 4 are detached from, and influence the voice quality of vibrating diaphragm.In the present embodiment, the central portion 3 is molded into
The lug boss 31 being attached in the bonding hole 42 of reinforcement part 4 is formed during type, lug boss 31 firmly holds reinforcement part 4, increases
The bonding force for adding vibrating diaphragm and reinforcement part 4 improves the stability and acoustical behavior of acoustical generator.
In the utility model specific embodiment, the bonding hole 42 can be the following table on the reinforcement part 4
The through-hole (as shown in Figure 1) in face, or blind hole (as shown in Figure 2).Whether the utility model does not pass through the bonding hole 42
It wears reinforcement part 4 to be limited, those skilled in the art can be designed according to actual conditions.
In the utility model specific embodiment, as illustrated in fig. 1 and 2, the central portion 3 of the vibrating diaphragm further includes corresponding to
The reinforcement part 4 is recessed inwardly the interior concave portion formed by 3 surface of central portion, and reinforcement part 4 is accommodated in the interior concave portion；It is described
Lug boss 31 is formed on the bottom surface of the interior concave portion.In present embodiment, by the setting of interior concave portion, shaking for vibrating diaphragm is alleviated
Kinoplaszm amount can make acoustical generator obtain higher sensitivity.
As being further improved for above-mentioned preferred embodiment, as illustrated in fig. 1 and 2, the central hollow out of the interior concave portion, with
Further mitigate the oscillating mass of vibrating diaphragm；And the hollow out edge is located at the inside of the lug boss 31, with ensure vibrating diaphragm with
Being adhesively fixed between reinforcement part 4.
It should be noted that the reinforcement part 4 is only one in conjunction with being fixed on the central portion 3 of the vibrating diaphragm by interior concave portion
Kind is preferably carried out mode convenient for guarantee diaphragm structure globality, that is to say, that can on the surface of the central portion 3 of the vibrating diaphragm
It is not provided with interior concave portion, reinforcement part 4 can be directly anchored on the surface of central portion 3 of the vibrating diaphragm, and aforesaid way can equally reach
To diaphragm structure provided by the utility model compared with the existing technology possessed by advantage.When the central portion 3 of the vibrating diaphragm
When can be not provided with interior concave portion on surface, further preferred embodiment may make the central hollow out of the central portion 3, into one
Step mitigates the oscillating mass of vibrating diaphragm；And hollow out edge is located at the inside of the lug boss 31, also can guarantee vibrating diaphragm and reinforcement part 4
Between be adhesively fixed.
The horizontal cross sectional geometry in the bonding hole 42 employed in the utility model the above embodiment can be with rectangle, pros
Shape, circle, ellipse and or track type.The utility model does not limit the shape in the bonding hole 42, art technology
Personnel can be designed according to actual conditions.But in the present invention, in order to further mitigate bonding region stress concentration
Multiple bondings can also be arranged in the influence that phenomenon brings vibrating diaphragm in the bonding region in the long side of reinforcement part 4 and/or short side
Hole 42, further to mitigate the influence that cohesive force of the diaphragm oscillations between vibrating diaphragm central portion 3 and reinforcement part 4 is brought.In addition, in order to
Ensure vibrating diaphragm goes out acoustic mass, these bonding holes 42 are arranged symmetrically on the surrounding of reinforcement part 4 as possible, to keep acoustical generator whole
Stability, reduce due to caused by structure asymmetry voice coil polarization and vibrating noise problem.As shown in figure 3, being leaned in reinforcement part 4
Proximal edge position formed it is multiple be evenly distributed on reinforcement part 4 close to the horizontal cross-section of marginal position be circular bonding hole 42；Such as
Described in Fig. 4, it is rectangular two bonding holes 42 and ellipse that two long sides in reinforcement part 4, which form axisymmetric horizontal cross-section,
One bonding hole 42 of shape, it is rectangular two bonding holes 42 that two short sides of reinforcement part 4, which are also symmetrically formed horizontal cross-section,.
As shown in figure 5, it is runway-shaped four bonding holes 42 to form respectively horizontal cross-section on diagonal at four of reinforcement part 4, to increase
Add adhesion strength, is released effectively corner positions relative to the greater concentration of stress in other regions, avoids leading due to stress concentration
It causes reinforcement part 4 and the 3 bonding region bonding force of central portion of vibrating diaphragm to reduce, extends the service life of acoustical generator.
In addition, the utility model further provides a kind of vibrational system of the acoustical generator shown as described in Fig. 6 or 7, it is described
Acoustical generator vibrational system includes the above-mentioned vibrating diaphragm as described in Fig. 1 or 2 and the voice coil 5 that is combined with the vibrating diaphragm；The reinforcement part 4 can
With positioned at the central portion 3 of vibrating diaphragm close to or far from voice coil 5 a side surface, do not limit specifically herein.
In the specific illustrated embodiment of the utility model, the voice coil 5 is located at the vibrating diaphragm with the reinforcement part 4
Homonymy, and on a side surface of the voice coil 5 in conjunction with the separate vibrating diaphragm for being fixed on the reinforcement part 4, and 5 edge of voice coil is located at institute
State the inside of lug boss 31 so that 5 edge of voice coil increases hair closer to vibrating diaphragm central axis to improve the vibration displacement of vibrating diaphragm
The sensitivity of sound device.
In addition, for the embodiment of vibrating diaphragm and the combination of voice coil 5 further deformed, the voice coil 5 combines solid
It is scheduled on the edge of the central portion 3 of the vibrating diaphragm in 4 outside of the reinforcement part；Or the voice coil 5 is in conjunction with being fixed on the vibrating diaphragm
On the surface far from the reinforcement part 4 of central portion 3, the utility model does not limit this.
Fig. 8 shows that a kind of acoustical generator structure using diaphragm structure shown in Fig. 1, the acoustical generator include shell 6 and be set to
Vibrational system in the shell 6 and magnetic circuit system.The vibrational system include as above structure vibrating diaphragm and with the vibrating diaphragm
In conjunction with voice coil 5.The magnetic circuit system includes lower conductive magnetic yoke 7, is located at the centring magnet 71 of 7 middle position of lower conductive magnetic yoke, is located at
The center magnetic conductive board 72 of 71 top of centring magnet, around the side magnet 73 of the centring magnet 71, and is located at the side magnet
The side magnetic conductive board 74 of 73 tops；Centring magnet 71 forms the magnetic gap for accommodating the voice coil 5 with side magnet 73.It needs to illustrate
It is that in practical applications, single motor structure, three motor structures or five magnetic circuit systems can be used in the magnetic circuit system
Structure, the utility model do not limit, and acoustical generator and diaphragm structure provided by the utility model are relative to existing skill
Advantage possessed by art is identical, and details are not described herein.
Obviously, above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to the embodiment of the utility model, for those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways, all embodiments can not be exhaustive here,
It is every to belong to obvious changes or variations that the technical solution of the utility model is extended out still in the utility model
The row of protection domain.
Claims (10)
1. a kind of vibrating diaphragm, the vibrating diaphragm includes the ring portion being wholely set with fixed part with the fixed fixed part of acoustical generator shell,
Central portion on the inside of ring portion, and combined fixed reinforcement part with the central portion, which is characterized in that the reinforcement part
Including：
Fixed bonding plane is combined with central portion surface；And it is several through the bonding hole of the bonding plane；
The central portion includes that the corresponding bonding hole by what central portion surface outwardly convex was formed is plugged in the bonding hole
Interior lug boss.
2. vibrating diaphragm according to claim 1, which is characterized in that the bonding hole is blind hole or is through the reinforcement part
The through-hole of upper and lower surface.
3. vibrating diaphragm according to claim 1, which is characterized in that it is close or separate that the reinforcement part is located at vibrating diaphragm central portion
One side surface of voice coil.
4. vibrating diaphragm according to claim 1, which is characterized in that the central portion of the vibrating diaphragm further includes the corresponding reinforcement part
The interior concave portion formed that is recessed inwardly by central portion surface, reinforcement part is accommodated in the interior concave portion；The lug boss is formed in
On the bottom surface of the interior concave portion.
5. vibrating diaphragm according to claim 1, which is characterized in that the central hollow out of the central portion, hollow out edge are located at institute
State the inside of lug boss.
6. vibrating diaphragm according to claim 4, which is characterized in that the central hollow out of the interior concave portion, hollow out edge are located at institute
State the inside of lug boss.
7. vibrating diaphragm according to claim 1, which is characterized in that circumferential direction uniform cloth of the bonding hole along the reinforcement part
It sets；It is described bonding hole horizontal cross sectional geometry be rectangle, square, circle, ellipse and or track type.
8. a kind of acoustical generator, which is characterized in that the acoustical generator includes vibrational system, and the vibrational system includes such as claim
Vibrating diaphragm described in any one of 1-7 claims and the voice coil combined with the vibrating diaphragm.
9. acoustical generator according to claim 8, which is characterized in that the voice coil is located at the vibrating diaphragm with the reinforcement part
Homonymy, and on a side surface of the voice coil in conjunction with the separate vibrating diaphragm for being fixed on the reinforcement part, and voice coil edge is positioned at described
The inside of lug boss.
10. acoustical generator according to claim 8, which is characterized in that the voice coil is located at the vibrating diaphragm with the reinforcement part
Homonymy, edge of the voice coil in conjunction with the central portion for the vibrating diaphragm being fixed on the outside of the reinforcement part；
Or on the surface far from the reinforcement part of the voice coil in conjunction with the central portion for being fixed on the vibrating diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721428068.5U CN207638871U (en) | 2017-10-31 | 2017-10-31 | A kind of vibrating diaphragm and the acoustical generator including the vibrating diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721428068.5U CN207638871U (en) | 2017-10-31 | 2017-10-31 | A kind of vibrating diaphragm and the acoustical generator including the vibrating diaphragm |
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| Publication Number | Publication Date |
|---|---|
| CN207638871U true CN207638871U (en) | 2018-07-20 |
Family
ID=62859318
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721428068.5U Active CN207638871U (en) | 2017-10-31 | 2017-10-31 | A kind of vibrating diaphragm and the acoustical generator including the vibrating diaphragm |
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|---|---|
| CN (1) | CN207638871U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020114055A1 (en) * | 2018-12-07 | 2020-06-11 | 歌尔股份有限公司 | Processing method for sound production apparatus housing, sound production apparatus housing, and module |
| CN111385725A (en) * | 2019-12-24 | 2020-07-07 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
-
2017
- 2017-10-31 CN CN201721428068.5U patent/CN207638871U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020114055A1 (en) * | 2018-12-07 | 2020-06-11 | 歌尔股份有限公司 | Processing method for sound production apparatus housing, sound production apparatus housing, and module |
| CN111385725A (en) * | 2019-12-24 | 2020-07-07 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
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