CN209390362U - Sound film and the loudspeaker for using the sound film - Google Patents
Sound film and the loudspeaker for using the sound film Download PDFInfo
- Publication number
- CN209390362U CN209390362U CN201822279022.2U CN201822279022U CN209390362U CN 209390362 U CN209390362 U CN 209390362U CN 201822279022 U CN201822279022 U CN 201822279022U CN 209390362 U CN209390362 U CN 209390362U
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- CN
- China
- Prior art keywords
- protrusion
- sound film
- pleated portions
- fold
- ring portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides a kind of sound film and the loudspeaker using the sound film, the loudspeaker includes frame, it is fixed on the vibrational system and magnetic circuit system of the frame, the vibrational system includes sound film, the sound film includes top dome portion, ring portion and fixed part, the ring portion includes protrusion and the pleated portions on the protrusion, the protrusion includes the second protrusion positioned at the first protrusion and connection first protrusion and the fixed part close to the ball top side, the pleated portions include the first pleated portions that the lateral direction in the lateral ring portion along the ring portion extends, first pleated portions are equipped with multiple first folds, first fold extends to second protrusion from first protrusion, and the both ends of first fold are located on the fixed part and the top dome portion.Compared with the relevant technologies, the stability of loudspeaker provided by the utility model is more preferably.
Description
[technical field]
The utility model relates to acoustic-electric conversion art more particularly to a kind of sound film and using the loudspeaker of the sound film.
[background technique]
With the arrival of mobile internet era, the quantity of Intelligent mobile equipment constantly rises.And in numerous mobile devices
Among, mobile phone is undoubtedly most common, most portable mobile terminal device.Currently, the function of mobile phone is extremely various, one of them is just
The music function of high-quality, therefore, the loudspeaker for playing sound be widely applied Intelligent mobile equipment till now it
In.
The loudspeaker of the relevant technologies includes frame, the magnetic circuit system being contained in the frame and vibrational system, magnetic circuit system
System is for driving vibrational system vibration sounding, and vibrational system includes the sound film for vibration sounding, and sound film includes top dome portion, surrounds
The ring portion of top dome portion setting and the fixed part extended from ring portion outer peripheral edge, the pleat of enhancing sound film-strength is provided in ring portion
Wrinkle decorative pattern.In order to reduce the distortion of loudspeaker, ring portion in the related technology generally includes larger-size first protrusion
Portion and lesser second protrusion of size.
However, the wrinkle pattern of loudspeaker in the related technology is provided only on the first protrusion, the two of wrinkle pattern
End is respectively positioned on the first protrusion, does not pass through wrinkle pattern on the second protrusion, when the second projection size increases, will lead to
Sound film strength dies down, and flat film is easy to produce in falling process, influences the stability of loudspeaker.
Therefore, it is necessary to provide a kind of improved sound film and solved the above problems using the loudspeaker of the sound film.
[utility model content]
The second protrusion is not passed through for wrinkle pattern in loudspeaker in the related technology, sound film strength is caused to die down,
Flat film is easy to produce in falling process, so that the utility model provides a kind of energy the technical issues of influencing the performance of loudspeaker
The sound film of effective improving stability and the loudspeaker for using the sound film.
A kind of sound film comprising centrally located top dome portion, around the ring portion of top dome portion setting and from institute
Stating the outwardly extending fixed part in ring portion edge, the ring portion includes protrusion and the pleated portions on the protrusion,
The protrusion include positioned at close to the ball top side the first protrusion and connection first protrusion with it is described solid
Determine second protrusion in portion, the pleated portions include that the lateral direction in the lateral ring portion along the ring portion extends
First pleated portions, first pleated portions are equipped with multiple first folds, and first fold is extended to from first protrusion
Second protrusion, and the both ends of first fold are located on the fixed part and the top dome portion.
Preferably, first protrusion include two be oppositely arranged first while, two be oppositely arranged second while and connection
Described first corner part while with described second, first pleated portions be set to described first while and/or it is described second while on.
Preferably, the pleated portions further include the second pleated portions on the corner part, and second pleated portions are set
There are multiple second folds, second fold is distributed on first protrusion.
Preferably, second pleated portions and first pleated portions are spaced apart from each other setting.
Preferably, the protrusion direction of second fold is identical as the protrusion direction of first fold.
Preferably, the distance between two neighboring described second fold from the top dome portion to the direction of the fixed part by
Gradual change is big.
Preferably, multiple first folds are successively spaced setting.
Preferably, the protrusion direction of first protrusion is opposite with the protrusion direction of second protrusion.
Preferably, the protrusion direction of first fold is identical as the protrusion direction of second protrusion.
A kind of loudspeaker, including frame, the magnetic circuit system being contained in the frame and vibrational system, the vibrational system
Including sound film as described in any one of the above embodiments.
Compared with the relevant technologies, the sound film of the utility model is by setting first fold to from first protrusion
Portion extends to second protrusion, and the both ends of first fold are located at the fixed part and the top dome portion
On, sound film strength greatly improved, improve and fall flat film phenomenon, to improve the reliability of product；It is corresponding, this
The loudspeaker of utility model so as to effectively enhance the sound film strength, and then is improved by using the sound film
The stability of the loudspeaker.
[Detailed description of the invention]
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings, in which:
Fig. 1 is the schematic perspective view of the utility model loudspeaker；
Fig. 2 is the decomposition texture schematic diagram of loudspeaker shown in Fig. 1；
Fig. 3 is the structural schematic diagram of sound film shown in Fig. 2.
[specific embodiment]
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
All other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1 and Fig. 2.The utility model provides a kind of loudspeaker 100 comprising frame 10, be contained in it is described
Vibrational system 20 and magnetic circuit system 30 in frame 10 and the front cover 40 for being covered on the frame 10.The magnetic circuit system 30 is used for
Drive 20 vibration sounding of vibrational system.
The whole frame 10 is in hollow rectangle, and the front cover 40 covers the side for being connected to the frame 10.
The vibrational system 20 is including sound film 21 and 21 vibration sounding of sound film is driven below the sound film 21
Voice coil 22.
The sound film 21 includes centrally located top dome portion 211, around the ring portion of the top dome portion 211 setting
212 and from 212 outer peripheral edge of ring portion extend fixed part 213.
The top dome portion 211 can be separate structure with the ring portion 212, can also be structure as a whole.In the present embodiment
In, the top dome portion 211 is structure as a whole with the ring portion 212.
The top dome portion 211 can be made of multiple material, and in the present embodiment, the top dome portion 211 uses high score
Sub- material is suppressed, such as PEN compression moulding, can effectively reduce the weight of the sound film 21.
Please refer to Fig. 3.In the present embodiment, the ring portion 212 includes the protrusion 214 in rectangular ring and sets
Pleated portions 215 on the protrusion 214.In other embodiments, the ring portion 212 or round or ellipse
Etc. other shapes.
The protrusion 214 is the arcuate structure of protrusion, and protrudes the surface in the top dome portion 211, it is ensured that institute
Sound film 21 is stated to be free to vibrate up and down.The protrusion 214 includes the first protrusion close to 211 side of top dome portion
2141 and connection first protrusion 2141 and the fixed part 213 the second protrusion 2142.First protrusion
2141 are arranged around the top dome portion 211, and second protrusion 2142 is arranged around first protrusion 2141.
First protrusion 2141 and second protrusion 2142 are in rectangular ring, and first protrusion
2141 protrusion direction and the protrusion direction of second protrusion 2142 are on the contrary, first protrusion 2141 is along the vibration
The bulge-structure that dynamic 20 direction of system is protruded toward 30 direction of magnetic circuit system, second protrusion 2142 are along the magnetic circuit
The bulge-structure that 30 direction of system is protruded toward 20 direction of vibrational system.
First protrusion 2141 include two be oppositely arranged first while 2143, two be oppositely arranged second while 2144 and
Connect described first while 2143 with described second while 2144 corner part 2145.
The pleated portions 215 are used to inhibit the polarization of the protrusion 214, improve the acoustical behavior of the sound film 21, and
And increase the intensity of the sound film 21.The pleated portions 215 include be set to described first while 2143 and/or it is described second while 2144
On the first pleated portions 2151 and the second pleated portions 2152 on the corner part 2145.
First pleated portions 2151 and second pleated portions 2152 lateral folding along the ring portion 212
The lateral direction of ring portion 212 extends to form, i.e., the extending direction of described first pleated portions 2151 and second pleated portions 2152
It is from the top dome portion 211 toward 213 direction of fixed part.
First pleated portions 2151 are spaced apart from each other setting with second pleated portions 2152.Specifically, first pleat
Wrinkle portion 2151 is equipped with multiple first folds, and first fold extends to second protrusion from first protrusion 2141
On 2142, and the both ends of first fold are located on the fixed part 213 and the top dome portion 211.Second pleat
Wrinkle portion 2152 is equipped with multiple second folds, and second fold is distributed on first protrusion 2141.Multiple described first
Fold is successively spaced setting, and the distance between two neighboring described second fold is from the top dome portion 211 to the fixed part 213
Direction be gradually increased.
First fold and second fold are the protrusion formed from the protrusion 214.Specifically, at this
In embodiment, the protrusion direction of first fold is identical as the protrusion direction of second fold, and first fold
Protrusion direction is identical as the protrusion direction of second protrusion 2142.Certainly, in other embodiments, first fold
Protrusion direction can with the protrusion direction of second fold on the contrary, simultaneously, the protrusion direction of first fold can also with it is described
The protrusion direction of second protrusion 2142 is opposite.
First pleated portions 2151 are respectively equipped with four groups with second pleated portions 2152.First pleated portions 2151
Respectively correspond be located at two described first at 2143 and two described second 2144 on, i.e., each first side 2143 and each institute
State the first pleated portions 2151 described in being respectively equipped with one group on the second side 2144.Second pleated portions 2152, which respectively correspond, to be located at
Second pleated portions 2152 described in being equipped with one group at four corner parts 2145, i.e., on each corner part 2145.
The fixed part 213 is fixed between the frame 10 and the front cover 40.
Please continue to refer to Fig. 2.The magnetic circuit system 30 includes solid with one end far from the sound film 21 of the frame 10
Surely the magnetic yoke 31 that connects, group are assigned in the magnet steel 32 in the magnetic yoke 31 and are attached at the pole piece 33 of the magnet steel 32.The magnetic yoke
31 include bottom plate 311 and the side plate 312 being bent to form from 311 edge of bottom plate, and the side plate 312 is spaced with the magnet steel 32
Setting forms magnetic gap, and the voice coil 22 is at least partially disposed in the magnetic gap.
Compared with the relevant technologies, the sound film of the utility model is by setting first fold to from first protrusion
Portion extends to second protrusion, and the both ends of first fold are located at the fixed part and the top dome portion
On, sound film strength greatly improved, improve and fall flat film phenomenon, to improve the reliability of product；It is corresponding, this
The loudspeaker of utility model so as to effectively enhance the sound film strength, and then is improved by using the sound film
The stability of the loudspeaker.
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 sound film comprising centrally located top dome portion, around the ring portion of top dome portion setting and described in
The outwardly extending fixed part in ring portion edge, the ring portion include protrusion and the pleated portions on the protrusion, institute
Stating protrusion includes positioned at the first protrusion close to the ball top side and connecting first protrusion and the fixation
Second protrusion in portion, which is characterized in that the pleated portions include the outside in the lateral ring portion along the ring portion
The first pleated portions that direction extends, first pleated portions are equipped with multiple first folds, and first fold is convex from described first
Portion extends to second protrusion out, and the both ends of first fold are located at the fixed part and the top dome portion
On.
2. sound film according to claim 1, which is characterized in that first protrusion include two be oppositely arranged first
While, two be oppositely arranged second while and the described first corner part while with described second of connection, first pleated portions be set to
Described first while and/or it is described second while on.
3. sound film according to claim 2, which is characterized in that the pleated portions further include the on the corner part
Two pleated portions, second pleated portions are equipped with multiple second folds, and second fold is distributed on first protrusion.
4. sound film according to claim 3, which is characterized in that second pleated portions and first pleated portions are mutual
Every setting.
5. sound film according to claim 3, which is characterized in that the protrusion direction of second fold and first fold
Protrusion direction it is identical.
6. sound film according to claim 3, which is characterized in that the distance between two neighboring described second fold is by described
Top dome portion becomes larger to the direction of the fixed part.
7. sound film according to claim 1, which is characterized in that multiple first folds are successively spaced setting.
8. sound film according to claim 1, which is characterized in that the protrusion direction of first protrusion and described second convex
The protrusion direction in portion is opposite out.
9. sound film according to claim 1, which is characterized in that the protrusion direction of first fold and second protrusion
The protrusion direction in portion is identical.
10. a kind of loudspeaker, including frame, the magnetic circuit system being contained in the frame and vibrational system, which is characterized in that institute
Stating vibrational system includes sound film as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822279022.2U CN209390362U (en) | 2018-12-31 | 2018-12-31 | Sound film and the loudspeaker for using the sound film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822279022.2U CN209390362U (en) | 2018-12-31 | 2018-12-31 | Sound film and the loudspeaker for using the sound film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209390362U true CN209390362U (en) | 2019-09-13 |
Family
ID=67863389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822279022.2U Expired - Fee Related CN209390362U (en) | 2018-12-31 | 2018-12-31 | Sound film and the loudspeaker for using the sound film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209390362U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021134192A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Diaphragm and sound generation device |
| WO2021147492A1 (en) * | 2020-01-21 | 2021-07-29 | 歌尔股份有限公司 | Vibrating diaphragm and loudspeaker |
-
2018
- 2018-12-31 CN CN201822279022.2U patent/CN209390362U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021134192A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Diaphragm and sound generation device |
| WO2021147492A1 (en) * | 2020-01-21 | 2021-07-29 | 歌尔股份有限公司 | Vibrating diaphragm and loudspeaker |
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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: 20190913 Termination date: 20211231 |