CN207251908U - Loudspeaker and electronic equipment - Google Patents
Loudspeaker and electronic equipment Download PDFInfo
- Publication number
- CN207251908U CN207251908U CN201721058982.5U CN201721058982U CN207251908U CN 207251908 U CN207251908 U CN 207251908U CN 201721058982 U CN201721058982 U CN 201721058982U CN 207251908 U CN207251908 U CN 207251908U
- Authority
- CN
- China
- Prior art keywords
- loudspeaker
- magnet steel
- voice coil
- metal frame
- 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.)
- Expired - Fee Related
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
A kind of loudspeaker includes metal frame, the vibrational system being contained in the metal frame and magnetic circuit system, and the vibrational system includes sound film and drives the voice coil loudspeaker voice coil of the sound film vibration sounding;The magnetic circuit system includes magnet steel and places the lower clamp plate of the magnet steel, the lower clamp plate is fixedly connected with the metal frame, multiple first fixed parts that the lower clamp plate includes bottom wall and bending extends from the bottom wall to the metal frame direction, the bottom wall, multiple first fixed parts and the metal frame surround the receiving space for housing the vibrational system and magnetic circuit system jointly.Therefore, the loudspeaker of the utility model, effectively can prevent air from largely leaking, and so as to improve the vocal performance of the loudspeaker, and then can improve the service life of the loudspeaker.
Description
【Technical field】
Vibration sounding technical field is the utility model is related to, refers specifically to a kind of loudspeaker and a kind of electricity including the loudspeaker
Sub- equipment.
【Background technology】
Traditional loadspeaker structure, including metal frame, the vibrational system that is housed in the metal frame and magnetic circuit system
System, in magnetic circuit system, including lower clamp plate and the magnet steel that is arranged on the lower clamp plate, still, traditional lower clamp plate structure, one
As be planar structure, therefore, easily so that the loudspeaker is there are gas leakage risk, and then influence the acoustical behavior of the loudspeaker
And reliability.
Thus it is necessary to study a kind of loudspeaker with new construction.
【Utility model content】
The utility model is directed to and solves the problems, such as that loudspeaker largely leaks air, and provides a kind of new loudspeaker.
To achieve the above object, the first aspect of the utility model, there is provided a kind of loudspeaker, including metal frame, house
In vibrational system and magnetic circuit system in the metal frame, the vibrational system includes sound film and drives the sound film vibration hair
The voice coil loudspeaker voice coil of sound;The magnetic circuit system includes magnet steel and places the lower clamp plate of the magnet steel, the lower clamp plate and the metal frame
It is fixedly connected, the lower clamp plate includes bottom wall and multiple first extended are bent from the bottom wall to the metal frame direction
Fixed part, the bottom wall, multiple first fixed parts and the metal frame surround jointly house the vibrational system and
The receiving space of magnetic circuit system.
Preferably, the bottom wall include relative spacing set two first while and respectively with two described first while
Both ends connection two the second sides, first fixed position in adjacent first while second while between corner.
Preferably, the metal frame includes body, the body include being oppositely arranged with first side two the
Three two the 4th sides being oppositely arranged while described second;3rd side includes the towards lower clamp plate extension
Two fixed parts, the 4th side include the 3rd fixed part towards lower clamp plate extension;Second fixed part and described the
While abutting, the 3rd fixed part is abutted with second side, and first fixed part is accordingly connected to adjacent the 3rd
Corner between at the 4th.
Preferably, the vibrational system further includes the resilient support that the voice coil loudspeaker voice coil is flexibly supported below the voice coil loudspeaker voice coil
Part, the elastic supporting member for supporting optical member include vibrating diaphragm and the flexible PCB that is fixed in above the vibrating diaphragm, the vibrating diaphragm include with it is described
The affixed first connecting portion of metal frame, the second connecting portion affixed with the flexible PCB and the voice coil loudspeaker voice coil and it is connected institute
The first ring portion of first connecting portion and the second connecting portion is stated, the vibrating diaphragm passes through the flexible PCB with the voice coil loudspeaker voice coil
With external circuit transmission telecommunications number.
Preferably, the magnet steel includes being installed on the main magnet steel in the middle part of the lower clamp plate, and the main magnet steel is under described
The side of clamping plate is provided with pole piece, and magnetic gap, the sound are formed between the main magnet steel and the pole piece and the metal frame
Circle is plugged in the magnetic gap.
Preferably, the magnet steel further includes and the main secondary magnet steel of spaced two of magnet steel, the pair magnet steel sandwiched
The lower clamp plate first while and the metal frame the 3rd while between, and the secondary magnet steel is positioned at two neighboring described
Between second fixed part, the voice coil loudspeaker voice coil is arranged between the main magnet steel and the secondary magnet steel.
Preferably, the vibrating diaphragm includes two, and two vibrating diaphragms be folded in respectively the second side of the lower clamp plate with
And between the 4th side of the metal frame, the vibrating diaphragm is disposed around the main magnet steel periphery jointly with the secondary magnet steel.
Preferably, the both sides of two relatively described main magnet steel of the secondary magnet steel are symmetrical arranged, and two vibrating diaphragms are with respect to institute
The another both sides for stating main magnet steel are symmetrical arranged.
Preferably, the side of the relatively described sound film of the flexible PCB is provided with the conducting end being electrically connected with the voice coil loudspeaker voice coil
Son.
The second aspect of the utility model, there is provided a kind of electronic equipment, the electronic equipment includes loudspeaker, described to raise
Sound device includes the loudspeaker recorded above.
The beneficial effects of the utility model are:In the loudspeaker of the utility model, lower clamp plate its except with bearing function
Bottom wall outside, further include from the bottom wall towards metal frame direction bending extension multiple first fixed parts, in this way, bottom wall,
Multiple first fixed parts and the metal frame surround the collecting sky for housing the vibrational system and magnetic circuit system jointly
Between.Therefore, the loudspeaker of the utility model, effectively can prevent air from largely leaking, so as to improve the hair of the loudspeaker
Acoustic performance, and then the service life of the loudspeaker can be improved.
【Brief description of the drawings】
Fig. 1 is the perspective exploded view of the utility model loudspeaker.
Fig. 2 is the front view of loudspeaker shown in Fig. 1.
Fig. 3 is along the sectional view in X-X directions in Fig. 2.
【Embodiment】
The utility model is described in detail with reference to Fig. 1 to Fig. 3.
As shown in Figure 1, Figure 2 and Figure 3, a kind of first aspect of the utility model, there is provided loudspeaker 100.It is described to raise one's voice
Device 100 includes metal frame 110, the vibrational system 120 being contained in the metal frame 110 and magnetic circuit system 130, the magnetic
Road system 130 includes magnet steel 131 and places the lower clamp plate 132 of the magnet steel 131, and the lower clamp plate 132 is arranged on the metal basin
The lower end of frame 110, the lower clamp plate 132 include bottom wall 132a and from the bottom wall 132a to 110 direction of metal frame
Bend multiple first fixed part 132b of extension, the bottom wall 132a, multiple first fixed part 132b and the metal
Frame 110 surrounds the receiving space 140 for housing the vibrational system 120 and magnetic circuit system 130 jointly.
That is, as shown in Figure 1, the structure of the lower clamp plate 132 is no longer planar structure, it is except with carrying work(
Outside the bottom wall 132a of energy, further include and fixed from the bottom wall 132a towards multiple the first of the bending extension of 110 direction of metal frame
Portion 132b, in this way, bottom wall 132a, multiple first fixed part 132b and the metal frame 110 surround collecting post jointly
State the receiving space 140 of vibrational system 120 and magnetic circuit system 130.Therefore, the loudspeaker 100 of the present embodiment structure, can be effective
Prevent air from leaking, so as to improve the vocal performance of the loudspeaker 100, and then the use of the loudspeaker 100 can be improved
Service life.
It should be noted that for the first fixed part 132b, specifically quantity and specific location do not define,
In practical application, the first fixed part 132b and first fixed part 132b that can determine respective numbers according to being actually needed exist
Position on the bottom wall 132a.For example, it can only be provided only with a first fixed part 132b, first fixed part 132b
In one of corner of bottom wall 132a.It is, of course, also possible to its other quantity and at the other positions of bottom wall 132a
Etc..
As shown in Figure 1, in order to further prevent air from leaking, the bottom wall 132a include that relative spacing sets two the
One side 132a1 and solid with 132a2 during two described first two second be connected at the both ends of 132a1, described first respectively
Determine portion 132b and be located at the corner of the bottom wall 132a, and connect respectively adjacent described first while 132a1 and it is described second while
132a2。
That is, the loudspeaker 100 of the structure, including four the first fixed part 132b, and each described first
Fixed part 132b is respectively positioned on the corner of the bottom wall 132a, that is to say, that equivalent to the turning to the bottom wall 132a to institute
State 110 direction of metal frame and carry out ironed flange, to seal the leak of the loudspeaker 100.Therefore, it is possible to further prevent
Air leaks, and improves the vocal performance of loudspeaker 100.
As shown in Figure 1, the metal frame 110 includes body 111, the body 111 includes and the first side 132a1
Two the 3rd be oppositely arranged are in 111a and 132a2 is oppositely arranged during with described second two the 4th side 111b, wherein one
A described 4th when 111b is with two the described 3rd one end of 111a be connected, another described 4th side 111b and two institutes
State the other end connection of the 3rd side 111a;The 3rd side 111a includes setting towards two intervals of the lower clamp plate 132 extension
The second the fixed part 111a1, the 4th side 111b put includes the 3rd fixed part towards the lower clamp plate 132 extension
111b1;During assembling, the second fixed part 111a1 is abutted with the first side 132a1, the 3rd fixed part 111b1 and the second side
132a2 is abutted, and the first fixed part 132b is accordingly abutted with the 3rd turning when 111a is with the 4th between 111b.
As shown in Figure 1, the vibrational system 120 includes sound film 121, drives the sound film positioned at the lower section of sound film 121
The voice coil loudspeaker voice coil 122 of 121 vibration soundings and the elastic supporting member for supporting optical member that the voice coil loudspeaker voice coil 122 is flexibly supported positioned at the lower section of voice coil loudspeaker voice coil 122
123, the elastic supporting member for supporting optical member 123 includes vibrating diaphragm 123a and the flexible PCB 123b being fixed in above the vibrating diaphragm 123a, institute
Stating vibrating diaphragm 123a includes the first connecting portion 123a1 affixed with the metal frame 110 and the flexible PCB 123b and sound
Enclose the 122 affixed second connecting portion 123a2's and connection first connecting portion 123a1 and second connecting portion 123a2
First ring portion 123a3.The sound film 121 includes the second ring portion 121a being correspondingly arranged with the first ring portion 123a3.
The protrusion direction of the first ring portion 123a3 is remote away from the sound film 121, the protrusion direction of the second ring portion 121a
The vibrating diaphragm 123a;The vibrating diaphragm 123a transmits electricity with the voice coil loudspeaker voice coil 122 by the flexible PCB 123b and external circuit
Signal.
The loudspeaker 100 of the present embodiment structure, the protrusion direction of the first ring portion 123a3 therein is away from the sound
Film 121, the protrusion direction of the second ring portion 121a is away from the vibrating diaphragm 123a.Therefore, the loudspeaker 100 of the structure, no
It can only prevent air from leaking, improve the vocal performance of loudspeaker 100, it is also possible that structure is more stablized, outside being subject to
It is not likely to produce and waves during power, therefore performance is more stablized.
As shown in Figure 1, the magnet steel 131 includes the main magnet steel 131a for being installed on the middle part of lower clamp plate 132, the main magnetic
Steel 131a is provided with pole piece 133 away from the side of the lower clamp plate 132, the main magnet steel 131a and the pole piece 133 with it is described
Magnetic gap 150 is formed between metal frame 110, the voice coil loudspeaker voice coil 122 is plugged in the magnetic gap 150.
As shown in Figure 1, the magnet steel 131 further include with spaced two secondary magnet steel 131b of the main magnet steel 131a,
The pair magnet steel 131b be folded in the first of the lower clamp plate 132 in the 3rd of 132a1 and the metal frame 110 111a
Between, and the pair magnet steel 131b, between the two neighboring second fixed part 111a1, the voice coil loudspeaker voice coil 122 is arranged on institute
State between main magnet steel 131a and the secondary magnet steel 131b.
As shown in Figure 1, the vibrating diaphragm 123a includes two, and two vibrating diaphragm 123a are folded in the lower clamp plate respectively
The second of 132 is in the 4th of 132a2 and the metal frame 110 between 111b, the vibrating diaphragm 132a and the secondary magnet steel
131b is disposed around the main magnet steel 131a peripheries jointly.
As shown in Figure 1, the both sides of two relatively described main magnet steel 131a of the pair magnet steel 131b are symmetrical arranged, described in two
The another both sides of the relatively described main magnet steel 131a of vibrating diaphragm 132a are symmetrical arranged.
As shown in Figure 1, the side of the relatively described sound films 121 of the flexible PCB 123b is provided with and the voice coil loudspeaker voice coil 121
The conducting terminal 123b1 of electrical connection.
In addition, the loudspeaker 100 of the present embodiment structure, can also include the top for being covered on the top of metal frame 110
Lid 160, the vibrational system 120 further include the top dome 124 being bonded away from the side of the vibrating diaphragm 123a with the sound film 121
And it is folded in the stent 125 between the top of the metal frame 110 and the periphery of the sound film 121.
The second aspect of the utility model, there is provided a kind of electronic equipment, the electronic equipment includes loudspeaker, described to raise
Sound device includes the loudspeaker 100 recorded above.
The electronic equipment of the utility model, has the loudspeaker 100 of said structure, therefore, it is possible to effectively prevent air from letting out
Leakage, so as to improve the vocal performance of the electronic equipment, and then can improve the service life of the electronic equipment.
It should be appreciated that electronic equipment can include the electronic products such as mobile phone or tablet.
Above-described is only the embodiment of the utility model, it should be noted here that the ordinary skill for this area
For personnel, on the premise of not departing from the utility model and creating design, improvement can also be made, but these belong to this practicality
New protection domain.
Claims (10)
1. a kind of loudspeaker, including metal frame, the vibrational system that is contained in the metal frame and magnetic circuit system, it is described to shake
Dynamic system includes sound film and drives the voice coil loudspeaker voice coil of the sound film vibration sounding;The magnetic circuit system includes magnet steel and places the magnet steel
Lower clamp plate, the lower clamp plate is fixedly connected with the metal frame, it is characterised in that:The lower clamp plate is including bottom wall and certainly
The bottom wall to multiple first fixed parts of metal frame direction bending extension, fix by the bottom wall, multiple described first
Portion and the metal frame surround the receiving space for housing the vibrational system and magnetic circuit system jointly.
2. loudspeaker according to claim 1, it is characterised in that:The bottom wall includes two first that relative spacing is set
While and respectively with two described first while two the second sides being connected of both ends, first fixed position is in adjacent first
Corner between at second.
3. loudspeaker according to claim 2, it is characterised in that:The metal frame includes body, and the body includes
With described first in two the 3rd be oppositely arranged and with described second in two the 4th be oppositely arranged while;Described 3rd
Side includes the second fixed part towards lower clamp plate extension, and the 4th side includes consolidating towards the 3rd of lower clamp plate extension
Determine portion;Second fixed part is abutted with first side, and the 3rd fixed part is abutted with second side, and described first is solid
Determine portion be accordingly connected to adjacent the 3rd at the 4th between corner.
4. loudspeaker according to claim 3, it is characterised in that:The vibrational system is further included below the voice coil loudspeaker voice coil
The elastic supporting member for supporting optical member of the voice coil loudspeaker voice coil is flexibly supported, the elastic supporting member for supporting optical member includes vibrating diaphragm and the flexibility being fixed in above the vibrating diaphragm
Circuit board, the vibrating diaphragm include the first connecting portion affixed with the metal frame and the flexible PCB and the voice coil loudspeaker voice coil
Affixed second connecting portion and the first ring portion for connecting the first connecting portion and the second connecting portion, the vibrating diaphragm with
The voice coil loudspeaker voice coil passes through the flexible PCB and external circuit transmission telecommunications number.
5. loudspeaker according to claim 4, it is characterised in that:The magnet steel includes being installed in the middle part of the lower clamp plate
Main magnet steel, the main magnet steel are provided with pole piece, the main magnet steel and the pole piece and the gold away from the side of the lower clamp plate
Magnetic gap is formed between category frame, the voice coil loudspeaker voice coil is plugged in the magnetic gap.
6. loudspeaker according to claim 5, it is characterised in that:The magnet steel is further included to be arranged at intervals with the main magnet steel
Two secondary magnet steel, the pair magnet steel be folded in the first of the lower clamp plate while and the metal frame the 3rd while between,
And the secondary magnet steel, between two neighboring second fixed part, the voice coil loudspeaker voice coil is arranged on the main magnet steel and the secondary magnetic
Between steel.
7. loudspeaker according to claim 6, it is characterised in that:The vibrating diaphragm includes two, and two vibrating diaphragms point
Be not folded in the second of the lower clamp plate while and the metal frame the 4th while between, the vibrating diaphragm is total to the secondary magnet steel
With being disposed around, the main magnet steel is peripheral.
8. loudspeaker according to claim 7, it is characterised in that:The both sides of two relatively described main magnet steel of the secondary magnet steel
It is symmetrical arranged, the another both sides of the relatively described main magnet steel of two vibrating diaphragms are symmetrical arranged.
9. according to the loudspeaker described in claim 4 to 8 any one, it is characterised in that:The flexible PCB is relatively described
The side of sound film is provided with the conducting terminal being electrically connected with the voice coil loudspeaker voice coil.
10. a kind of electronic equipment, the electronic equipment includes loudspeaker, it is characterised in that the loudspeaker includes claim 1
To the loudspeaker described in 9 any one.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721058982.5U CN207251908U (en) | 2017-08-22 | 2017-08-22 | Loudspeaker and electronic equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721058982.5U CN207251908U (en) | 2017-08-22 | 2017-08-22 | Loudspeaker and electronic equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207251908U true CN207251908U (en) | 2018-04-17 |
Family
ID=61882428
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721058982.5U Expired - Fee Related CN207251908U (en) | 2017-08-22 | 2017-08-22 | Loudspeaker and electronic equipment |
Country Status (1)
Country | Link |
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CN (1) | CN207251908U (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109218934A (en) * | 2018-08-06 | 2019-01-15 | 瑞声科技(新加坡)有限公司 | The manufacturing method of microphone device and the microphone device |
CN110062314A (en) * | 2018-08-14 | 2019-07-26 | 瑞声科技(新加坡)有限公司 | Loudspeaker mould group and its manufacturing method |
CN110267169A (en) * | 2019-06-11 | 2019-09-20 | 瑞声科技(新加坡)有限公司 | A kind of loudspeaker |
WO2020034707A1 (en) * | 2018-08-13 | 2020-02-20 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
WO2020140173A1 (en) * | 2018-12-30 | 2020-07-09 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
CN111757221A (en) * | 2020-08-31 | 2020-10-09 | 歌尔股份有限公司 | Loudspeaker |
WO2021128334A1 (en) * | 2019-12-27 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Sound production device and speaker box thereof |
WO2022126790A1 (en) * | 2020-12-16 | 2022-06-23 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
-
2017
- 2017-08-22 CN CN201721058982.5U patent/CN207251908U/en not_active Expired - Fee Related
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109218934A (en) * | 2018-08-06 | 2019-01-15 | 瑞声科技(新加坡)有限公司 | The manufacturing method of microphone device and the microphone device |
WO2020029638A1 (en) * | 2018-08-06 | 2020-02-13 | 瑞声声学科技(深圳)有限公司 | Sounding device and method for manufacturing same |
US10932053B2 (en) | 2018-08-06 | 2021-02-23 | AAC Technologies Pte. Ltd. | Speaker with elastic support member and method for manufacturing the same |
WO2020034707A1 (en) * | 2018-08-13 | 2020-02-20 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
CN110062314A (en) * | 2018-08-14 | 2019-07-26 | 瑞声科技(新加坡)有限公司 | Loudspeaker mould group and its manufacturing method |
WO2020140173A1 (en) * | 2018-12-30 | 2020-07-09 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
CN110267169A (en) * | 2019-06-11 | 2019-09-20 | 瑞声科技(新加坡)有限公司 | A kind of loudspeaker |
WO2021128334A1 (en) * | 2019-12-27 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Sound production device and speaker box thereof |
CN111757221A (en) * | 2020-08-31 | 2020-10-09 | 歌尔股份有限公司 | Loudspeaker |
WO2022126790A1 (en) * | 2020-12-16 | 2022-06-23 | 瑞声声学科技(深圳)有限公司 | 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 |
Granted publication date: 20180417 Termination date: 20210822 |
|
CF01 | Termination of patent right due to non-payment of annual fee |