CN208353572U - Vibrating diaphragm and loudspeaker - Google Patents
Vibrating diaphragm and loudspeaker Download PDFInfo
- Publication number
- CN208353572U CN208353572U CN201820848680.6U CN201820848680U CN208353572U CN 208353572 U CN208353572 U CN 208353572U CN 201820848680 U CN201820848680 U CN 201820848680U CN 208353572 U CN208353572 U CN 208353572U
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- connecting portion
- arc
- ring
- side edges
- outer edge
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Abstract
The utility model provides a kind of vibrating diaphragm, it includes top dome and the ring around the top dome, the ring includes the first connecting portion of the close top dome and the ring portion for extending and surrounding the first connecting portion from the first connecting portion, the ring portion includes inward flange be connected with the first connecting portion and rounded rectangle, the inward flange includes the first arc-shaped side edges for being located at four corners position, and the first connecting portion includes the first recessed portion along first arc-shaped side edges recess.The utility model additionally provides a kind of loudspeaker including the vibrating diaphragm.Vibrating diaphragm intensity in the utility model is high, and vibration is steady, enhances the pure tone effect of speaker product and reduces the distortion factor, improves the sound quality of speaker product.
Description
[technical field]
The utility model relates to electroacoustic conversion arts, and in particular to a kind of vibrating diaphragm and the loudspeaker with the vibrating diaphragm.
[background technique]
With the fast development of electronic information technology, more and more loudspeakers are applied in each electronic product, especially
It is the mobile communication equipment of widely people's application, and people are not only concerned about that it is miniaturized, is multi-functional, more requires its sound effect high
It is quality, undistorted.And vibrating diaphragm as loudspeaker and core component, the quality of design directly affect the property of acoustical device
Energy.
The vibrating diaphragm of the relevant technologies include positioned at middle part top dome, from the outwardly extending ring portion of top dome and with ring portion phase
Fixed part even.Wherein, the ring portion is equipped with several folds extended from top dome to fixed part.The structure of this vibrating diaphragm is past
Toward will lead to vibration vibration of membrane disequilibrium, the low-frequency distortion of vibrating diaphragm is very high.Although people usually use in process of production
The method of glue balances vibration vibration of membrane on vibrating diaphragm, but glue can be such that vibrating diaphragm thickeies, its oscillation space is caused to reduce, and reduces
Its acoustic characteristic, to reduce the properties of product of loudspeaker.
Therefore, it is necessary to provide the novel vibrating diaphragm of one kind and use the loudspeaker of the vibrating diaphragm to solve the above problems.
[summary of the invention]
The purpose of this utility model is to provide a kind of vibrations steadily, the vibrating diaphragm that the distortion factor is small, intensity is high.
The technical solution of the utility model is as follows: a kind of vibrating diaphragm comprising top dome and the ring around the top dome, it is described
The folding that ring includes the first connecting portion of the close top dome, extends from the first connecting portion and surround the first connecting portion
Ring portion and the second connecting portion for extending and surrounding the ring portion from the ring portion, the first connecting portion include table on first
Face and first lower surface opposite with first upper surface, the ring portion include the inner edge being connected with the first connecting portion
Edge and the outer edge being connected with the second connecting portion, the inward flange and the rounded rectangle of the outer edge, the inner edge
Edge includes the first arc-shaped side edges for being located at four corners position, and the outer edge includes being located at four corners position
Second arc-shaped side edges, the first connecting portion include along first arc-shaped side edges and from first upper surface to described first
First recessed portion of lower surface direction recess and/or the second connecting portion include along the of second arc-shaped side edges recess
The recess direction of two recessed portions, the ring portion is consistent with the recess direction of first recessed portion.
The another object of the utility model is to provide a kind of loudspeaker comprising constitutes frame, the receiving of accommodating space
In the accommodating space and it is individually fixed in the magnetic circuit system and vibrational system of the frame, the vibrational system includes vibration
Film, the vibrating diaphragm include top dome and the ring around the top dome, the ring include close to the top dome first connecting portion,
Extend and surround the ring portion of the first connecting portion from the first connecting portion and extends from the ring portion and surround described
The second connecting portion in ring portion, the second connecting portion are fixed on the frame, and the first connecting portion includes far from the magnetic
First upper surface of road system and the first lower surface opposite with first upper surface and close to the magnetic circuit system, the folding
Ring portion includes the inward flange being connected with the first connecting portion, the rounded rectangle of inward flange, and the inward flange includes difference
The first arc-shaped side edges positioned at four corners position, the first connecting portion include along first arc-shaped side edges and from described
The first recessed portion that one upper surface is recessed to first lower surface direction, the recess direction in the ring portion and described first recessed
The recess direction of concave portion is consistent.
Preferably, the cup depth of first recessed portion is 0.01-0.2mm.
Preferably, first recessed portion includes the interior arc side close to the top dome and the outer arc close to the ring portion
Side, the height of inner arc edge direction of vibration are higher than the height of outer arc edge direction of vibration.
Preferably, the top dome and the ring are integrally formed, and the vibrational system further includes that be set to the top dome remote
The stiffening plate on the surface from the magnetic circuit system, orthographic projection and first recessed portion of the stiffening plate along direction of vibration are at least
It partially overlaps.
Preferably, it is 0.01-0.2mm that the stiffening plate, which extends horizontally to the length above first recessed portion,.
Preferably, the ring portion includes the outer edge being connected with the second connecting portion, the rounded square of outer edge
Shape, the outer edge include the second arc-shaped side edges for being located at four corners position, and the ring portion includes several first convex
Line, several first burrs radially distribute from first arc-shaped side edges towards second arc-shaped side edges.
Preferably, the inward flange includes spaced first short side and mutually flat along long axis of being parallel to each other along short axle
First long side of row interval setting, first short side and first long side are connected by first arc-shaped side edges
It connects, the outer edge includes being parallel to each other spaced second short side and to be parallel to each other along long axis spaced along short axle
Second long side, second short side and second long side are connected by second arc-shaped side edges, the ring portion
It further include several second burrs, several second burrs are arranged between first short side and second short side
And/or between first long side and second long side.
Preferably, the ring portion includes the outer edge being connected with the second connecting portion, the rounded square of outer edge
Shape, the outer edge include the second arc-shaped side edges for being located at four corners position, and the second connecting portion includes along described
Second recessed portion of the second arc-shaped side edges recess.
The another object of the utility model is to provide a kind of loudspeaker comprising constitutes frame, the receiving of accommodating space
In the accommodating space and it is individually fixed in the magnetic circuit system and vibrational system of the frame, the vibrational system includes vibration
Film, the vibrating diaphragm include top dome and the ring around the top dome, the ring include close to the top dome first connecting portion,
Extend and surround the ring portion of the first connecting portion from the first connecting portion and extends from the ring portion and surround described
The second connecting portion in ring portion, the second connecting portion are fixed on the frame, and the second connecting portion includes far from the magnetic
Second upper surface of road system and the second lower surface opposite with second upper surface and close to the magnetic circuit system, feature
Be: the ring portion includes the outer edge being connected with the second connecting portion, the rounded rectangle of outer edge, the outside
Edge includes the second arc-shaped side edges for being located at four corners position, and the second connecting portion includes along second arc-shaped side edges
And the second recessed portion being recessed from second upper surface to second lower surface direction, the recess direction in the ring portion with
The recess direction of second recessed portion is consistent.
Compared with the relevant technologies, vibrating diaphragm provided by the utility model is in the four corners position of ring inside and or outside
It is respectively provided with sunk structure, which enhances the structural strength of vibrating diaphragm, shakes so as to improve during diaphragm oscillations
Unbalance dynamic, asymmetric phenomenon improve the pure tone effect of speaker product, reduce the distortion factor, with existing in vibrating diaphragm
The method of upper glue is compared, and vibrating diaphragm provided by the utility model improves vibration film strength in the case where thickness is constant, is guaranteed
Sufficient oscillation space, so that the sound quality of speaker product gets a promotion.
[Detailed description of the invention]
Fig. 1 is the perspective view of loudspeaker in the utility model first embodiment；
Fig. 2 is the optical cable of loudspeaker in the utility model first embodiment；
Fig. 3 is the perspective view of vibrating diaphragm in the utility model first embodiment；
Fig. 4 is the partial enlarged view of B in Fig. 3 vibrating diaphragm；
Fig. 5 is the cross-sectional view of the line A-A along Fig. 1；
Fig. 6 is the partial enlarged view of C in Fig. 5 cross-sectional view；
Fig. 7 is the partial enlarged view of vibrating diaphragm in the utility model second embodiment；
Fig. 8 is the partial enlarged view of vibrating diaphragm in the utility model 3rd embodiment.
[specific embodiment]
The utility model is described in detail below with reference to Fig. 1 to Fig. 8.
It as depicted in figs. 1 and 2, is the loudspeaker 1 of the utility model comprising constitute frame 10, the receiving of accommodating space
In the accommodating space and it is individually fixed in the magnetic circuit system 20 and vibrational system 30 of frame 10.
(embodiment 1)
As shown in Figures 2 and 3, vibrational system 30 is including being fixed on the vibrating diaphragm 31 of frame 10, connecting and drive with vibrating diaphragm 31
The voice coil 32 of 31 vibration sounding of vibrating diaphragm, vibrating diaphragm 31 include top dome 33 and the ring 34 around top dome 33, in the present embodiment, top dome
33 are integrally formed with ring 34, and vibrational system 30 further includes being set to the stiffening plate on surface of the top dome 33 far from magnetic circuit system 20
35, ring 34 includes extending close to the first connecting portion 341 of top dome 33, from first connecting portion 341 and around first connecting portion 341
Ring portion 342 and from ring portion 342 extend and surround ring portion 342 second connecting portion 343.In other embodiments, it shakes
Film 31 can also be split type vibrating diaphragm, and top dome 33 and ring 34 are separately formed, and top dome 33 is connected and fixed with first connecting portion 341.
In the present embodiment, as shown in Figure 3 and Figure 4, ring portion 342 includes the inward flange being connected with first connecting portion 341
344 and the outer edge 345 that is connected with second connecting portion 343, inward flange 344 and the rounded rectangle of outer edge 345, inward flange
344 include the first arc-shaped side edges 344a for being located at four corners position, be parallel to each other spaced first short side along short axle
344b and logical along be parallel to each other spaced first long side 344c, the first short side 344b and the first long side 344c of long axis
Cross the first arc-shaped side edges 344a connection；Outer edge 345 includes positioned at the second arc-shaped side edges 345a of four corners position, along short axle
It is parallel to each other and spaced second short side 345b and is parallel to each other spaced second long side 345c along long axis, second
Short side 345b and the second long side 345c passes through the second arc-shaped side edges 345a connection；Ring portion 342 includes several first burrs
346, several first burrs 346 radially distribute from the first arc-shaped side edges 344a towards the second arc-shaped side edges 345a；This implementation
In example, ring portion 342 further includes several second burrs 347, and several second burrs 347 are arranged in the first short side 344b and second
It between short side 345b and is axisymmetricly distributed, several second burrs 347 are additionally arranged at the first long side 344c and the second long side
It between the 345c of side and is axisymmetricly distributed, the first burr 346 is consistent with 347 protrusion direction of the second burr.In other embodiments,
Second burr 347 can be also only set between the first short side 344b and the second short side 345b, or only in the first long side
Second burr 347 is set between 344c and the second long side 345c.
As shown in Figure 4, Figure 5 and Figure 6, first connecting portion 341 include far from magnetic circuit system 20 the first upper surface 341a and
First lower surface 341b opposite with the first upper surface 341a and close to magnetic circuit system 20, second connecting portion 343 include far from magnetic
Second upper surface 343a of road system 20 and it is opposite with the second upper surface 343a and close to magnetic circuit system 20 second under
Surface 343b, first connecting portion 341 include along the first arc-shaped side edges 344a and from the first upper surface 341a to the first lower surface
First recessed portion 341c of the direction 341b recess, the recess direction one in the recess direction and the first recessed portion 341c in ring portion 342
It causes, the first burr 346 and 347 protrusion direction of the second burr are contrary with the recess of the first recessed portion 341c.Wherein, first is recessed
The cup depth of concave portion 341c is 0.01-0.2mm.As shown in figure 4, the first recessed portion 341c includes the interior arc side close to top dome 33
The outer arc side 341e of 341d and close ring portion 342, interior arc side 341d are higher than outer arc side 341e along vibration along the height of direction of vibration
The height in dynamic direction.Wherein, the first arc-shaped side edges 344a is overlapped with outer arc side 341e.
As shown in fig. 6, the edge of the interior arc side 341d and outer arc side 341e of the first recessed portion 341c are perpendicular to direction of vibration
Horizontal interval distance be 0.1mm-0.5mm, and stiffening plate 35 to close to ring portion 342 direction horizontal extension, 35 water of stiffening plate
The flat length extended to above the first recessed portion 341c is 0.01-0.2mm, and in the present embodiment, stiffening plate 35 is along direction of vibration
Orthographic projection partially overlap with the first recessed portion 341c；In other embodiments, orthographic projection of the stiffening plate 35 along direction of vibration
It can be all overlapped with the first recessed portion 341c.In addition, the first recessed portion 341c is perpendicular to direction of vibration and along interior arc side 341d
Be arc-shaped with the section in the arc radius direction of outer arc side 341e, in other embodiments, the cross sectional shape can also in rectangle,
Triangle etc., as long as can play the role of enhancing vibrating diaphragm intensity.
(embodiment 2)
As shown in fig. 7, the present embodiment and the difference of embodiment 1 are only that, second connecting portion 343 ' includes along the second arc
Second recessed portion 343c ' of side 345a ' recess, the recess direction of the second recessed portion 343c ' are recessed with the first recessed portion 341c's '
It is consistent to fall into direction.
(embodiment 3)
As shown in figure 8, the present embodiment and the difference of embodiment 1 are only that, only second connecting portion 343 " includes along the second arc
The recess direction of second recessed portion 343c ", the second recessed portion 343c " of shape side 345a " recess and the recess in ring portion 342 "
Direction is consistent, and the first arc-shaped side edges 344a " of first connecting portion 341 " is without recess.
Vibrating diaphragm provided by the utility model is respectively provided with recess knot in the four corners position of ring inside and or outside
Structure, the sunk structure enhance the structural strength of vibrating diaphragm, uneven, asymmetric so as to improve vibrating during diaphragm oscillations
Phenomenon improves the pure tone effect of speaker product, reduces the distortion factor, compared with the method for the existing glue on vibrating diaphragm,
Vibrating diaphragm provided by the utility model improves vibration film strength in the case where thickness is constant, ensure that sufficient oscillation space,
So that the sound quality of speaker product gets a promotion.
Above-described is only the embodiments of the present invention, it should be noted here that for the ordinary skill of this field
For personnel, without departing from the concept of the present invention, improvement can also be made, but these belong to it is practical
Novel protection scope.
Claims (10)
1. a kind of vibrating diaphragm comprising top dome and the ring around the top dome, the ring include close to the first of the top dome
Interconnecting piece, the ring portion for extending from the first connecting portion and surrounding the first connecting portion and extends and enclose from the ring portion
Second connecting portion around the ring portion, the first connecting portion include the first upper surface and opposite with first upper surface
First lower surface, it is characterised in that: the ring portion includes the inward flange being connected with the first connecting portion and with described second
The connected outer edge of interconnecting piece, the inward flange and the rounded rectangle of the outer edge, the inward flange include being located at
First arc-shaped side edges of four corners position, the outer edge include the second arc-shaped side edges for being located at four corners position,
The first connecting portion includes along first arc-shaped side edges and recessed from first upper surface to first lower surface direction
The first sunken recessed portion and/or the second connecting portion include the second recessed portion along second arc-shaped side edges recess, described
The recess direction in ring portion is consistent with the recess direction of first recessed portion.
2. a kind of loudspeaker comprising in constituting the frame of accommodating space, being housed in the accommodating space and be individually fixed in institute
The magnetic circuit system and vibrational system of frame are stated, the vibrational system includes vibrating diaphragm, and the vibrating diaphragm includes top dome and around the ball
The ring on top, the ring include the first connecting portion of the close top dome, extend from the first connecting portion and surround described
The ring portion of first connecting portion and the second connecting portion for extending and surrounding the ring portion from the ring portion, second connection
The frame is fixed in portion, the first connecting portion include the first upper surface far from the magnetic circuit system and with described first on
First lower surface of the opposite and close magnetic circuit system in surface, it is characterised in that: the ring portion includes and described first connects
The connected inward flange of socket part, the rounded rectangle of inward flange, the inward flange include be located at four corners position the
One arc-shaped side edges, the first connecting portion include along first arc-shaped side edges and from first upper surface under described first
First recessed portion of surface direction recess, the recess direction in the ring portion are consistent with the recess direction of first recessed portion.
3. loudspeaker according to claim 2, it is characterised in that: the cup depth of first recessed portion is 0.01-
0.2mm。
4. loudspeaker according to claim 2, it is characterised in that: first recessed portion includes close to the interior of the top dome
The height of the outer arc side of arc side and the close ring portion, inner arc edge direction of vibration is higher than outer arc edge vibration side
To height.
5. loudspeaker according to claim 2, it is characterised in that: the top dome and the ring are integrally formed, the vibration
Dynamic system further includes being set to the stiffening plate on surface of the top dome far from the magnetic circuit system, and the stiffening plate is along direction of vibration
Orthographic projection be at least partly overlapped with first recessed portion.
6. loudspeaker according to claim 5, it is characterised in that: the stiffening plate extends horizontally to first recessed portion
The length of top is 0.01-0.2mm.
7. loudspeaker according to claim 2, it is characterised in that: the ring portion includes being connected with the second connecting portion
Outer edge, the rounded rectangle of outer edge, the outer edge includes the second curved side for being located at four corners position
Side, the ring portion include several first burrs, and several first burrs are from first arc-shaped side edges towards described second
Arc-shaped side edges radially distribute.
8. loudspeaker according to claim 7, it is characterised in that: the inward flange includes that the interval that is parallel to each other along short axle is set
It the first short side for setting and is parallel to each other spaced first long side along long axis, first short side and described first long
Side is connected by first arc-shaped side edges, and the outer edge includes spaced second short side that is parallel to each other along short axle
It is parallel to each other spaced second long side with along long axis, second short side and second long side pass through described the
The connection of two arc-shaped side edges, the ring portion further includes several second burrs, and several second burr settings are short described first
Between side and second short side and/or between first long side and second long side.
9. loudspeaker according to claim 2, it is characterised in that: the ring portion includes being connected with the second connecting portion
Outer edge, the rounded rectangle of outer edge, the outer edge includes the second curved side for being located at four corners position
Side, the second connecting portion include the second recessed portion along second arc-shaped side edges recess.
10. a kind of loudspeaker comprising in constituting the frame of accommodating space, being housed in the accommodating space and be individually fixed in institute
The magnetic circuit system and vibrational system of frame are stated, the vibrational system includes vibrating diaphragm, and the vibrating diaphragm includes top dome and around the ball
The ring on top, the ring include the first connecting portion of the close top dome, extend from the first connecting portion and surround described
The ring portion of first connecting portion and the second connecting portion for extending and surrounding the ring portion from the ring portion, second connection
The frame is fixed in portion, the second connecting portion include the second upper surface far from the magnetic circuit system and with described second on
Second lower surface of the opposite and close magnetic circuit system in surface, it is characterised in that: the ring portion includes and described second connects
The connected outer edge of socket part, the rounded rectangle of outer edge, the outer edge include be located at four corners position the
Two arc-shaped side edges, the second connecting portion include along second arc-shaped side edges and from second upper surface under described second
Second recessed portion of surface direction recess, the recess direction in the ring portion are consistent with the recess direction of second recessed portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820848680.6U CN208353572U (en) | 2018-06-01 | 2018-06-01 | Vibrating diaphragm and loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820848680.6U CN208353572U (en) | 2018-06-01 | 2018-06-01 | Vibrating diaphragm and loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208353572U true CN208353572U (en) | 2019-01-08 |
Family
ID=64891731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820848680.6U Expired - Fee Related CN208353572U (en) | 2018-06-01 | 2018-06-01 | Vibrating diaphragm and loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208353572U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109936804A (en) * | 2019-02-28 | 2019-06-25 | 瑞声光电科技(常州)有限公司 | Sound film and microphone device with the sound film |
-
2018
- 2018-06-01 CN CN201820848680.6U patent/CN208353572U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109936804A (en) * | 2019-02-28 | 2019-06-25 | 瑞声光电科技(常州)有限公司 | Sound film and microphone device with the sound film |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190108 Termination date: 20210601 |