CN209218381U - A kind of loudspeaker mould group - Google Patents
A kind of loudspeaker mould group Download PDFInfo
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- CN209218381U CN209218381U CN201821844374.1U CN201821844374U CN209218381U CN 209218381 U CN209218381 U CN 209218381U CN 201821844374 U CN201821844374 U CN 201821844374U CN 209218381 U CN209218381 U CN 209218381U
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- mould group
- cavity
- breathable barrier
- loudspeaker mould
- upper casing
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Abstract
The utility model provides a kind of loudspeaker mould group, including upper casing and lower casing, the upper casing and lower casing surround inner cavity, slot is equipped in the upper casing, breathable barrier is equipped in the slot, inner cavity is separated into the first cavity and the second cavity by the breathable barrier, is equipped with sound-absorbing particle in second cavity.By adopting the above-described technical solution, compared with prior art, the utility model has the advantages that: the utility model can simplify process；The side wall that fixed screen cloth is placed without design, so that back cavity volume greatly increases；Sound wave is directly entered the space of storage particle, and to improving, acoustical behavior is obvious, and occupied space is less, and the mould group of some complexity can also design.
Description
Technical field
The utility model relates to acoustical device technical fields.
Specifically, being to be related to a kind of loudspeaker mould group.
Background technique
With light, the thin development trend of mobile phone, at the same it is higher and higher to loudspeaker mould group acoustics performance requirement, generally do
It is implanted into acoustical cotton in method inner cavity and improves acoustical behavior, this mode is extremely difficult to high performance requirements, including market is general in recent years
It is put into sound-absorbing particle in chamber and plays sound absorption function, improves the performance of loudspeaker, sound-absorbing particle is typically placed at the small cavity of inner cavity
In, specifically, designing perpendicular wall in mould group inner cavity, form the operatic tunes of individually storage sound-absorbing particle.
Prior art are as follows:
1, oral area injection molding screen cloth and inner cavity separate, and sound-absorbing particle and inner cavity are separated, and sound-absorbing particle passes through screen cloth and inner cavity
Conducting, sound-absorbing particle plays sound absorption function, but is molded screen cloth location difficulty in injection moulding process, and production efficiency is low, at high cost；
2, oral area hot melt screen cloth and inner cavity separate, and location difficulty in reflow process, production efficiency is low, at high cost；
3, oral area pastes screen cloth and inner cavity separates, and this method needs otherwise designed screen cloth difficulty to increase, on Material Cost
Liter, yield are relatively low, paste screen cloth high labor cost inefficiency, and since modular volume is complicated and changeable, some mould groups are without foot
The operatic tunes of sound-absorbing particle is stored in enough spaces to design, and is caused some mould groups not to be available superabsorbent sound particle, is limited to sound-absorbing
The use scope of mould group；The another face for generally pasting screen cloth for firm pasting cannot be too small, this results in side wall is excessive to occupy excessively
Cavity volume.
Utility model content
The purpose of the utility model is to overcome the shortcomings of above-mentioned traditional technology, provide a kind of loudspeaker mould group, letter
Change the process that is made of sound-absorbing mould group, optimization design increases volume, improves acoustical behavior.
The purpose of this utility model is reached by following technical measures:
A kind of loudspeaker mould group, including upper casing and lower casing, the upper casing and lower casing surround inner cavity, are equipped with and insert in the upper casing
Slot, the slot is interior to be equipped with breathable barrier, and inner cavity is separated into the first cavity and the second cavity by the breathable barrier, described
Sound-absorbing particle is equipped in second cavity.
As an improvement: the breathable barrier includes frame, and the frame is equipped with screen cloth.
As an improvement: the screen cloth is located at frame close to the side of the second cavity.
As an improvement: the breathable barrier includes stiff sheet, and the stiff sheet is equipped with several air holes.
As an improvement: the stiff sheet is steel disc.
As an improvement: the breathable barrier includes mesh grid.
As an improvement: the lower casing is equipped with coating groove corresponding with breathable barrier.
As an improvement: the coating groove includes the first groove body, and first groove body is located at lower casing far from ventilative isolation
The side of part, first groove body bottom are equipped with the second groove body, and the width of first groove body is greater than the width of the second groove body.
As an improvement: the breathable barrier protrudes into the second groove body close to one end of lower casing.
As an improvement: the lower casing is equipped with sealing corresponding with breathable barrier close to the side of breathable barrier
Item.
By adopting the above-described technical solution, compared with prior art, the utility model has the advantages that: the present invention can letter
Change process；The side wall that fixed screen cloth is placed without design, so that back cavity volume greatly increases；Sound wave is directly entered storage particle
Space, to improve acoustical behavior it is obvious, occupied space is less, and the mould group of some complexity can also design.
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Detailed description of the invention
Attached drawing 1 is a kind of structural schematic diagram of loudspeaker mould group in the utility model embodiment 1.
Attached drawing 2 is a kind of structural schematic diagram of separator in loudspeaker mould group in the utility model embodiment 1.
Attached drawing 3 is a kind of cross section structure schematic diagram of loudspeaker mould group in the utility model embodiment 1.
Attached drawing 4 is the enlarged structure schematic diagram of part A in Fig. 3.
Attached drawing 5 is a kind of structural schematic diagram of loudspeaker mould group in the utility model embodiment 2.
Attached drawing 6 is a kind of structural schematic diagram of separator in loudspeaker mould group in the utility model embodiment 2.
Attached drawing 7 is a kind of cross section structure schematic diagram of loudspeaker mould group in the utility model embodiment 2.
Attached drawing 8 is the enlarged structure schematic diagram of part B in Fig. 7.
Attached drawing 9 is a kind of structural schematic diagram of separator in loudspeaker mould group in the utility model embodiment 3.
In figure: 1- lower casing；2- breathable barrier；The first cavity of 3-；4- upper casing；5- sounding monomer；6- slot；7- filling
Hole；The second cavity of 8-；9- coating groove；10- sound-absorbing particle；11- outline border；12- screen cloth；The first groove body of 13-；The second groove body of 14-；
15- sealing strip；16- stiff sheet；17- mesh grid.
Specific embodiment
Embodiment 1: a kind of as shown in Fig. 1, loudspeaker mould group, including upper casing 4 and lower casing 7, the upper casing 4 and lower casing 7
It is ultrasonically welded together, the upper casing 4 surrounds inner cavity with lower casing 7.
Slot 6 is equipped in the upper casing 4, the quantity of the slot 6 is two, and one of slot 6 is located at one in upper casing 4
Side, another slot 6 are located at the other side in upper casing 4.
Breathable barrier 2 is equipped in the slot 6.
Specifically, as shown in Fig. 2, the breathable barrier 2 includes frame 11, the frame 11 is equipped with screen cloth 12.
The screen cloth 12 is located at frame 11 close to the side of the second cavity 8, and the frame 11 is formed from steel, on the frame 11 gluing or
Use sticking double faced adhesive tape screen cloth 12.
Certainly, the frame 11 can also be made of plastics or other metals.
The breathable barrier 2 is arranged in upper casing 4 by Shooting Technique, and described 2 one end of breathable barrier is inserted with one
Slot 6 connects, and 2 other end of breathable barrier is connect with another slot 6.
Certainly, the breathable barrier 2 can also be connect by grafting assembly with slot 6.
Inner cavity is separated into the first cavity 3 and the second cavity 8 by the breathable barrier 2, is equipped with hair in first cavity 3
Sound monomer 5, second cavity 8 is interior to be equipped with sound-absorbing particle 10.
The upper casing 4 is equipped with filler port 7, second cavity of the connection of filler port 78 and 4 outside of upper casing, the filler port
7 for filling sound-absorbing particle 10 into the second cavity 8.
As shown in attached drawing 3,4, the lower casing 1 is equipped with coating groove 9 corresponding with breathable barrier 2.
Specifically, the coating groove 9 includes the first groove body 13, the shape of first groove body 13 is strip, described the
One groove body 13 is located at side of the lower casing 1 far from breathable barrier 2；First groove body, 13 bottom is equipped with the second groove body 14, described
The shape of second groove body 14 is strip.The width of first groove body 13 is greater than the width of the second groove body 14, first slot
The length of body 13 is equal to the length of the second groove body 14.
Gluing in the coating groove 9, the sealing for breathable barrier 2 and lower casing 7.
The breathable barrier 2 protrudes into the second groove body 14 close to one end of lower casing 1, and the breathable barrier 2 protrudes into second
One end of groove body 14 is concordant with 13 bottom of the first groove body.
Traditional screen cloth 12 is replaced using screen cloth 12 is pasted on frame 11, by the way that frame 11 is molded into 4 plastic cement of upper casing
In, reducing process reduces cost of labor；The side wall of storage particle chamber is replaced using module side wall, increases space, it can be in mould
Meet acoustical demands in the lesser situation of group, contributes volume for overall design；Sound wave is directly entered the space of storage particle, with original
Some mould groups are stopped compared to no barricade, and it is more apparent to improve acoustical behavior.
Reduce the barricade for fixing screen cloth 12 in this manner, volume increase is more obvious, and has barricade obstruction
The design of sound wave is compared, and sound wave is directly entered the space of storage particle without stopping, and can more effectively optimize performance；Occupied space
Less, the mould group of some complexity also can be used.
Embodiment 2: a kind of as shown in Fig. 5, loudspeaker mould group, including upper casing 4 and lower casing 7, the upper casing 4 and lower casing 7
It is ultrasonically welded together, the upper casing 4 surrounds inner cavity with lower casing 7.
Slot 6 is equipped in the upper casing 4, the quantity of the slot 6 is two, and one of slot 6 is located at one in upper casing 4
Side, another slot 6 are located at the other side in upper casing 4.
Breathable barrier 2 is equipped in the slot 6.
Specifically, as shown in Fig. 6, the breathable barrier 2 includes stiff sheet 16, the stiff sheet 16 is equipped with several ventilative
Hole, the air hole is through the stamping process or etch process processes the aperture for reaching performance requirement.
The stiff sheet 16 is steel disc.
Certainly, the stiff sheet 16 can also be made of plastics or other metals.
The breathable barrier 2 is arranged in upper casing 4 by grafting assembly, and described 2 one end of breathable barrier is inserted with one
Slot 6 connects, and 2 other end of breathable barrier is connect with another slot 6.
Certainly, the breathable barrier 2 can also be connect by Shooting Technique with slot 6.
Inner cavity is separated into the first cavity 3 and the second cavity 8 by the breathable barrier 2, is equipped with hair in first cavity 3
Sound monomer 5, second cavity 8 is interior to be equipped with sound-absorbing particle 10.
The upper casing 4 is equipped with filler port 7, second cavity of the connection of filler port 78 and 4 outside of upper casing, the filler port
7 for filling sound-absorbing particle 10 into the second cavity 8.
As shown in attached drawing 7,8, the lower casing 1 is equipped with corresponding with breathable barrier 2 close to the side of breathable barrier 2
Sealing strip 15.
Specifically, the shape of the sealing strip 15 is strip, the sealing strip 15 is made of foam, sponge or rubber.
The sealing strip 15 is contacted with breathable barrier 2, the sealing for breathable barrier 2 and lower casing 7.
Traditional screen cloth 12 is replaced using stiff sheet 16, is arranged in 4 plastic cement of upper casing by grafting assembly, and process drop is reduced
Low cost of labor；The side wall of storage particle chamber is replaced using module side wall, increases space, it can be in the lesser situation of mould group
Meet acoustical demands, contributes volume for overall design；Sound wave is directly entered the space of storage particle, compared with original mould group not
There is barricade obstruction, it is more apparent to improve acoustical behavior.
Reduce the barricade for fixing screen cloth 12 in this manner, volume increase is more obvious, and has barricade obstruction
The design of sound wave is compared, and sound wave is directly entered the space of storage particle without stopping, and can more effectively optimize performance；Occupied space
Less, the mould group of some complexity also can be used.
Embodiment 3: a kind of as shown in Fig. 5, loudspeaker mould group, including upper casing 4 and lower casing 7, the upper casing 4 and lower casing 7
It is ultrasonically welded together, the upper casing 4 surrounds inner cavity with lower casing 7.
Slot 6 is equipped in the upper casing 4, the quantity of the slot 6 is two, and one of slot 6 is located at one in upper casing 4
Side, another slot 6 are located at the other side in upper casing 4.
Breathable barrier 2 is equipped in the slot 6.
Specifically, as shown in Fig. 9, the breathable barrier 2 includes mesh grid 17, the mesh grid 17 is equipped with several
Air hole.
The mesh grid 17 has steel wire to be made.
Certainly, the mesh grid 17 is made of plastics or other metals.
The breathable barrier 2 is arranged in upper casing 4 by grafting assembly, and described 2 one end of breathable barrier is inserted with one
Slot 6 connects, and 2 other end of breathable barrier is connect with another slot 6.
Certainly, the breathable barrier 2 can also be connect by Shooting Technique with slot 6.
Inner cavity is separated into the first cavity 3 and the second cavity 8 by the breathable barrier 2, is equipped with hair in first cavity 3
Sound monomer 5, second cavity 8 is interior to be equipped with sound-absorbing particle 10.
The upper casing 4 is equipped with filler port 7, second cavity of the connection of filler port 78 and 4 outside of upper casing, the filler port
7 for filling sound-absorbing particle 10 into the second cavity 8.
As shown in attached drawing 7,8, the lower casing 1 is equipped with corresponding with breathable barrier 2 close to the side of breathable barrier 2
Sealing strip 15.
Specifically, the shape of the sealing strip 15 is strip, the sealing strip 15 is made of foam, sponge or rubber.
The sealing strip 15 is contacted with breathable barrier 2, the sealing for breathable barrier 2 and lower casing 7.
Traditional screen cloth 12 is replaced using stiff sheet 16, is arranged in 4 plastic cement of upper casing by grafting assembly, and process drop is reduced
Low cost of labor；The side wall of storage particle chamber is replaced using module side wall, increases space, it can be in the lesser situation of mould group
Meet acoustical demands, contributes volume for overall design；Sound wave is directly entered the space of storage particle, compared with original mould group not
There is barricade obstruction, it is more apparent to improve acoustical behavior.
Reduce the barricade for fixing screen cloth 12 in this manner, volume increase is more obvious, and has barricade obstruction
The design of sound wave is compared, and sound wave is directly entered the space of storage particle without stopping, and can more effectively optimize performance；Occupied space
Less, the mould group of some complexity also can be used.
Several embodiments of the utility model are described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should all belong within the patent covering scope of the utility model.
Claims (10)
1. a kind of loudspeaker mould group, including upper casing (4) and lower casing (1), the upper casing (4) and lower casing (1) surround inner cavity, feature
It is: is equipped with slot (6) in the upper casing (4), is equipped with breathable barrier (2) in the slot (6), the breathable barrier
(2) inner cavity is separated into the first cavity (3) and the second cavity (8), is equipped with sound-absorbing particle (10) in second cavity (8).
2. arriving the loudspeaker mould group according to claim 1, it is characterised in that: the breathable barrier (2) includes frame
(11), the frame (11) is equipped with screen cloth (12).
3. arriving the loudspeaker mould group according to claim 2, it is characterised in that: it is close that the screen cloth (12) is located at frame (11)
The side of second cavity (8).
4. arriving the loudspeaker mould group according to claim 1, it is characterised in that: the breathable barrier (2) includes stiff sheet
(16), the stiff sheet (16) is equipped with several air holes.
5. arriving the loudspeaker mould group according to claim 4, it is characterised in that: the stiff sheet (16) is steel disc.
6. arriving the loudspeaker mould group according to claim 1, it is characterised in that: the breathable barrier (2) includes mesh grid
(17).
7. loudspeaker mould group according to any one of claims 1 to 6, it is characterised in that: the lower casing (1) be equipped with it is saturating
The corresponding coating groove (9) of air bound off member (2).
8. loudspeaker mould group according to claim 7, it is characterised in that: the coating groove (9) includes the first groove body (13),
First groove body (13) is located at the side of lower casing (1) far from breathable barrier (2), and the first groove body (13) bottom is equipped with the
Two groove bodies (14), the width of first groove body (13) are greater than the width of the second groove body (14).
9. loudspeaker mould group according to claim 8, it is characterised in that: the breathable barrier (2) is close to lower casing (1)
The second groove body (14) are protruded into one end.
10. loudspeaker mould group according to any one of claims 1 to 6, it is characterised in that: the lower casing (1) is close to ventilative
The side of separator (2) is equipped with sealing strip (15) corresponding with breathable barrier (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821844374.1U CN209218381U (en) | 2018-11-09 | 2018-11-09 | A kind of loudspeaker mould group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821844374.1U CN209218381U (en) | 2018-11-09 | 2018-11-09 | A kind of loudspeaker mould group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209218381U true CN209218381U (en) | 2019-08-06 |
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ID=67459015
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821844374.1U Active CN209218381U (en) | 2018-11-09 | 2018-11-09 | A kind of loudspeaker mould group |
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| Country | Link |
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| CN (1) | CN209218381U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022006961A1 (en) * | 2020-07-08 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
-
2018
- 2018-11-09 CN CN201821844374.1U patent/CN209218381U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022006961A1 (en) * | 2020-07-08 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
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