CN208836401U - Loudspeaker mould group - Google Patents
Loudspeaker mould group Download PDFInfo
- Publication number
- CN208836401U CN208836401U CN201821518207.8U CN201821518207U CN208836401U CN 208836401 U CN208836401 U CN 208836401U CN 201821518207 U CN201821518207 U CN 201821518207U CN 208836401 U CN208836401 U CN 208836401U
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- CN
- China
- Prior art keywords
- mould group
- loudspeaker
- hole
- magnet steel
- clamp plate
- 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 loudspeaker mould group, it includes the loudspeaker monomer for having the shell of accommodating space and being contained in the accommodating space, the accommodating space is separated into ante-chamber and back cavity by the loudspeaker monomer, the loudspeaker monomer includes magnetic circuit system, the magnetic circuit system includes lower clamp plate, magnet steel on the lower clamp plate and the pole piece for being attached at the magnet steel, the magnetic circuit system includes running through the lower clamp plate, the through-hole of the magnet steel and the pole piece, separator is arranged far from the magnet steel side in the pole piece, the separator covers the through-hole, the back cavity is connected to the through-hole.The loudspeaker mould group of the utility model increases the volume of back cavity, when filling sound absorption powder in back cavity, the capacity for the powder that absorbs sound in loudspeaker mould group is also increased, separator is isolated in sound absorption powder and remaining sundries outside loudspeaker monomer, can improve the low frequency performance of product and reduce F0.
Description
[technical field]
The utility model relates to electroacoustic transduction field, a kind of particularly loudspeaker mould group.
[background technique]
Loudspeaker mould group is widely used in the portability electronic equipment such as mobile phone, laptop.With these portability electricity
The fast development of sub- equipment, people are more and more stronger to its Functional Requirement, and the loudspeaker mould group being applied thereon is also corresponding fast
Develop fastly.In addition, with the needs of the lightening development of mobile phone, to the quality of wherein used Microspeaker mould group
It is required that also higher and higher.And playing device of the loudspeaker as phonetic function, the size direct relation of the back cavity of loudspeaker mould group
To the promotion of product acoustical behavior.
In the Microspeaker mould group of the relevant technologies, loudspeaker mould group includes having the shell of accommodating space and being contained in
Accommodating space is separated into ante-chamber and back cavity by the loudspeaker monomer in it, loudspeaker monomer, back cavity finite volume, therefore in back cavity
Fillable sound absorption powder is also limited, is unfavorable for promoting the low frequency performance of product and reduces F0.Therefore, it is necessary to provide a kind of new
The loudspeaker mould group of structure.
[utility model content]
To solve the above-mentioned problems, the utility model provides a kind of loudspeaker mould group, including the shell with accommodating space
And it is contained in the loudspeaker monomer in the accommodating space, the accommodating space is separated into ante-chamber with after by the loudspeaker monomer
Chamber, the loudspeaker monomer include magnetic circuit system, the magnetic circuit system include lower clamp plate, the magnet steel on the lower clamp plate and
It is attached at the pole piece of the magnet steel, the magnetic circuit system includes the through-hole through the lower clamp plate, the magnet steel and the pole piece,
Separator is arranged far from the magnet steel side in the pole piece, and the separator covers the through-hole, the back cavity and the through-hole
Connection.
Preferably, the pole piece is recessed to form recessed portion far from the upper surface of the magnet steel side, and the separator is placed in
In the recessed portion.
Preferably, the upper surface of the separator is concordant with the upper surface of the pole piece.
Preferably, the middle section of the lower clamp plate is arranged in the through-hole.
Preferably, the middle section of the magnet steel is arranged in the through-hole.
Preferably, the middle section of the pole piece is arranged in the through-hole.
Preferably, the shape of the through-hole is round rectangle, ellipse or polygon.
Preferably, the separator is breathable separator.
Preferably, the lower clamp plate further includes being recessed the groove formed by its following table towards the magnet steel direction, described recessed
Slot is connected to the through-hole and extends to the side of the lower clamp plate.
The pore structure being connected to back cavity is arranged in the magnetic circuit system of loudspeaker monomer in the loudspeaker mould group of the utility model, this
Segment space increases the back cavity volume of loudspeaker mould group, when filling sound absorption powder in back cavity, can further increase loudspeaker
Absorb sound the capacity of powder in mould group, can improve the low frequency of product and reduce F0, and separator can will sound absorption powder and remaining is miscellaneous
Object isolation sealing is outside loudspeaker monomer.
[Detailed description of the invention]
Fig. 1 is the schematic perspective view of the loudspeaker mould group of the utility model；
Fig. 2 is the stereochemical structure partially exploded diagram of loudspeaker mould group in Fig. 1；
Fig. 3 is the cross-sectional view of the line A-A along Fig. 1.
[specific embodiment]
The utility model is described in further detail below by specific embodiment combination attached drawing, so as to more preferably
Ground understands the advantages of the embodiment of the utility model and its various aspects.Below in an example, embodiment party in detail below is provided
The purpose of formula is easy for becoming apparent from the content of the utility model thorough explanation, rather than limitations of the present invention.
In conjunction with Fig. 1 to Fig. 3, the utility model provides a kind of loudspeaker mould group 100, including upper casing 1, connects and enclose with the lid of upper casing 1
Lower casing 3 at accommodating space 10 and the loudspeaker monomer 2 being housed in accommodating space 10, upper casing 1 and lower casing 3 collectively form loudspeaking
The shell of device mould group 100.The loudspeaker monomer 2 is including magnetic circuit system 21, vibrational system 22 and for fixing magnetic circuit system 21
Frame 23, wherein magnetic circuit system 21 includes lower clamp plate 211, the magnet steel 212 on lower clamp plate 211 and is attached at magnet steel 212
Pole piece 213, vibrational system 22 include being fixed on the vibrating diaphragm 221 of 23 side of frame and for driving 221 vibration sounding of vibrating diaphragm
Accommodating space 10 is divided into ante-chamber 24, the back cavity 25 opposite with ante-chamber 24 by voice coil 222, loudspeaker monomer 2.
In the present embodiment, as shown in Figures 2 and 3, magnetic circuit system 21 includes running through lower clamp plate 211, magnet steel 212 and pole
The through-hole 214 of core 213, the shape of through-hole 214 are round rectangle, and through-hole 214 is arranged in lower clamp plate 211, magnet steel 212 and pole piece
213 middle section, back cavity 25 are connected to through-hole 214, and separator 216, separator is arranged far from 212 side of magnet steel in pole piece 213
216 are completely covered through-hole 214.
Preferably, pole piece 213 is recessed to form recessed portion 2131 far from the upper surface of 212 side of magnet steel, and separator 216 is placed in
In recessed portion 2131.
It is furthermore preferred that the upper surface of separator 216 is concordant with the upper surface of pole piece 213.
In the other embodiments of the utility model, magnet steel 212 is not limited to that the central location of lower clamp plate is arranged in,
It may include the magnet steel for being set to any position on lower clamp plate 211, lower clamp plate 211, magnetic can also be arranged in through-hole 214 according to demand
The arbitrary region of steel 212 and pole piece 213, the shape of through-hole 214 can be round rectangle, ellipse or polygon.
Lower clamp plate 211 is its lower surface far from 212 side of magnet steel, and lower clamp plate 211 further includes by its following table towards magnet steel 212
Direction is recessed the groove 215 to be formed, and groove 215 is connected to through-hole 214 and extends to the side of lower clamp plate 211.When through-hole 214 is outer
When object shelters from, groove 215 can realize the air circulation between the back cavity 25 and loudspeaker monomer 2 of loudspeaker mould group.
Through-hole 214 is connected to back cavity 25, can increase the volume of back cavity 25, in other embodiments, if loudspeaker mould group
Need to fill sound absorption powder in 100, the utility model can realize that sound absorption powder packed expires through-hole 214 and back cavity 25, to increase
The filling total amount of sound absorption powder, in other words, other than the space that loudspeaker monomer 2 occupies, rest part is stuffed entirely with absorbing sound
Powder.
Separator 216 can will sound absorption powder, remaining sundries isolation sealing outside loudspeaker monomer 2, avoid sound absorption powder,
Remaining sundries enters the inner space of loudspeaker monomer 2.
Preferably, sound absorption powder, remaining sundries but also ventilation is not only isolated, it can be achieved that loudspeaker monomer 2 in separator 216
Air circulation between internal and back cavity 25.
The sound absorption powder of setting compensation air pressure in through-hole 214 and back cavity 25, can reduce the resonance frequency of loudspeaker mould group 100
Rate promotes low frequency response, functions similarly to the effect of enlarged cavities, improves low frequency performance, reduces F0.
Compared with prior art, the loudspeaker mould group of the utility model significantly increases back cavity volume, can improve product
Low frequency performance and reduction F0.
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 (9)
1. a kind of loudspeaker mould group, including the shell with accommodating space and the loudspeaker list being contained in the accommodating space
The accommodating space is separated into ante-chamber and back cavity by body, the loudspeaker monomer, and the loudspeaker monomer includes magnetic circuit system, institute
Stating magnetic circuit system includes lower clamp plate, the magnet steel on the lower clamp plate and the pole piece for being attached at the magnet steel, which is characterized in that
The magnetic circuit system includes the through-hole through the lower clamp plate, the magnet steel and the pole piece, and the pole piece is far from the magnet steel
Separator is arranged in side, and the separator covers the through-hole, and the back cavity is connected to the through-hole.
2. loudspeaker mould group according to claim 1, which is characterized in that upper table of the pole piece far from the magnet steel side
Face is recessed to form recessed portion, and the separator is placed in the recessed portion.
3. loudspeaker mould group according to claim 2, which is characterized in that the upper surface of the separator and the pole piece
Upper surface is concordant.
4. loudspeaker mould group according to claim 1, which is characterized in that the center of the lower clamp plate is arranged in the through-hole
Region.
5. loudspeaker mould group according to claim 1, which is characterized in that the central area of the magnet steel is arranged in the through-hole
Domain.
6. loudspeaker mould group according to claim 1, which is characterized in that the central area of the pole piece is arranged in the through-hole
Domain.
7. loudspeaker mould group according to claim 1, which is characterized in that the shape of the through-hole is round rectangle, ellipse
Shape or polygon.
8. loudspeaker mould group according to claim 1, which is characterized in that the separator is breathable separator.
9. loudspeaker mould group according to claim 1, which is characterized in that the lower clamp plate further includes by its following table towards institute
It states magnet steel direction to be recessed the groove to be formed, the groove is connected to the through-hole and extends to the side of the lower clamp plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821518207.8U CN208836401U (en) | 2018-09-17 | 2018-09-17 | Loudspeaker mould group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821518207.8U CN208836401U (en) | 2018-09-17 | 2018-09-17 | Loudspeaker mould group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208836401U true CN208836401U (en) | 2019-05-07 |
Family
ID=66313569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821518207.8U Active CN208836401U (en) | 2018-09-17 | 2018-09-17 | Loudspeaker mould group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208836401U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113259817A (en) * | 2021-04-27 | 2021-08-13 | 维沃移动通信有限公司 | Speaker and electronic equipment |
-
2018
- 2018-09-17 CN CN201821518207.8U patent/CN208836401U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113259817A (en) * | 2021-04-27 | 2021-08-13 | 维沃移动通信有限公司 | Speaker and electronic equipment |
| CN113259817B (en) * | 2021-04-27 | 2023-01-13 | 维沃移动通信有限公司 | Speaker and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |