CN204859542U - Loudspeaker - Google Patents

Loudspeaker Download PDF

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Publication number
CN204859542U
CN204859542U CN201520257565.8U CN201520257565U CN204859542U CN 204859542 U CN204859542 U CN 204859542U CN 201520257565 U CN201520257565 U CN 201520257565U CN 204859542 U CN204859542 U CN 204859542U
Authority
CN
China
Prior art keywords
voice coil
pole piece
loud speaker
frame
injection moulding
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
Application number
CN201520257565.8U
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Chinese (zh)
Inventor
徐芸霞
邵益
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AAC Microtech Changzhou Co Ltd
AAC Optoelectronic Changzhou Co Ltd
Original Assignee
AAC Optoelectronic Changzhou Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by AAC Optoelectronic Changzhou Co Ltd filed Critical AAC Optoelectronic Changzhou Co Ltd
Priority to CN201520257565.8U priority Critical patent/CN204859542U/en
Application granted granted Critical
Publication of CN204859542U publication Critical patent/CN204859542U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a loudspeaker, it includes the basin frame, accepts magnetic circuit and vibration system in this basin frame, vibration system includes this the vibrating diaphragm vibration of vibrating diaphragm and drive and is equipped with the voice coil loudspeaker voice coil of voice coil loudspeaker voice coil lead wire, magnetic circuit establishes including the ring the magnet steel of voice coil loudspeaker voice coil periphery side and the pole piece of attached this magnet steel upper surface, pole piece and the integrative injection moulding of basin frame, the pole piece is the ring -type, and it includes the inboard and the outside, and it forms the first breach of stepping down to be caved in to outside orientation by its inboard, the voice coil loudspeaker voice coil lead wire is including bending the line part, and this turn line part holding is in this first breach of stepping down. The utility model provides a loudspeaker can be so that the pole piece be more firm with the combination of basin frame, and the pole piece can not clashed into to the curved line part of voice coil loudspeaker voice coil lead wire in addition, basin frame upper surface has more spaces to settle other electronic components, and then has promoted loudspeaker's performance greatly.

Description

Loud speaker
[technical field]
The utility model relates to a kind of electroacoustic transduction field, particularly relates to a kind of loud speaker.
[background technology]
Along with the fast development of science and technology, the popularity rate of audio frequency apparatus is more and more higher, and the requirement of people to audio frequency apparatus is not limited only to the broadcasting of video/audio, more requires to propose more requirements to the reliability of audio frequency apparatus.Especially the arrival in 3G epoch, Technology of Mobile Multimedia also develops thereupon, and a lot of audio frequency apparatus has multiple amusement function, as video playback, digital vedio recording, game, GPS navigation etc., all requires that the electronic devices and components in audio frequency apparatus are more and more accurate and compact.
In audio frequency apparatus, loud speaker is a kind of conventional electronic devices and components, is mainly used in the broadcasting of audio signal.But existing loud speaker, especially twin magnetic circuit speaker, when falling, magnet steel in magnetic circuit system is easily shifted, therefore in current twin magnetic circuit speaker, widely use the technique of pole piece and frame integrated injection molding, and this pole piece is circularized, strengthens the structural stability of magnetic circuit system with this.But the magnetic circuit system of this structure, the inconvenience of voice coil leads cabling, especially the curved line part of voice coil leads is accommodating nowhere.
[utility model content]
The purpose of this utility model is to provide a kind of loud speaker, and it is for solving current loud speaker after being circularized by the pole piece with frame integrated injection molding, the technical problem that the curved line part of voice coil leads is accommodating nowhere.
In order to solve the problems of the technologies described above, the utility model provides a kind of loud speaker, it comprises frame, be contained in the magnetic circuit system in this frame and vibrational system, described vibrational system comprises vibrating diaphragm and drives this diaphragm oscillations and be provided with the voice coil loudspeaker voice coil of voice coil leads, described magnetic circuit system comprises ring and establishes the magnet steel of described voice coil loudspeaker voice coil outer circumferential side and attach the pole piece of this magnet steel upper surface, described pole piece and frame integrated injection molding, described pole piece in the form of a ring, it comprises inner side and outer side, be recessed to form first by its Inside To Outside direction to step down breach, described voice coil leads comprises curved line part, this curved line part is placed in this and first steps down in breach.
Preferably, the rectangular ring-type of described pole piece, it comprises four turnings, has two turnings to be provided with first and step down breach in described four turnings, and these two are provided with the first turning of stepping down breach and are disposed adjacent.
Preferably, two remaining in described four turnings turnings are provided with and are recessed to form second by direction inside its lateral and step down breach.
Preferably, described loud speaker also comprises with described frame integrated injection molding and for realizing described loud speaker and the extraneous pad is electrically connected, and described pad corresponding described second is stepped down breach setting.
Preferably, described pole piece comprises towards the first upper surface of vibrating diaphragm and the first lower surface of being oppositely arranged with this first upper surface, described pole piece extends the injection moulding portion of injection moulding in frame to the direction away from pole piece, this injection moulding portion comprises the second upper surface towards vibrating diaphragm, and this first upper surface is greater than the height of described second upper surface relative to the first lower surface relative to the height of the first lower surface.
Preferably, the part that described pad closes on from described pole piece in described injection moulding portion is extended, and described injection moulding portion is positioned at described second steps down breach.
Preferably, described frame comprises towards the 3rd upper surface of described vibrating diaphragm and the 3rd lower surface that is oppositely arranged with the 3rd upper surface, and described weld tabs comprises the 4th upper surface being exposed to described 3rd upper surface.
Preferably, described first upper surface and the 3rd upper surface are positioned at same level.
Preferably, described pad comprise partial denudation in the first weld tabs portion of described 3rd upper surface, partial denudation in the second weld tabs portion of described 3rd lower surface, connect described first weld tabs portion and the second weld tabs portion connecting portion and from described second weld tabs portion towards first direction, weld tabs portion bending extend injection moulding rib.
Preferably, described magnetic circuit system also comprise by described voice coil loudspeaker voice coil around center magnet steel and attach the center pole piece on magnet steel surface, described center.
The beneficial effects of the utility model are: the loud speaker that the utility model provides, it arranges the first curved line part of stepping down the accommodating voice coil leads of breach at the turning of pole piece, arrange second at remaining turning and step down breach to expand the area of frame upper surface, so not only pole piece can be made to be combined with frame more firm, and the curved line part of voice coil leads can not clash into pole piece, frame upper surface has more space to settle other electronic devices and components, and then greatly improves the performance of loud speaker.
[accompanying drawing explanation]
Fig. 1 is the exploded view of the utility model loud speaker;
Fig. 2 is the cutaway view of loud speaker shown in Fig. 1;
Fig. 3 is the enlarged drawing of part A in Fig. 2;
Fig. 4 is the stereogram of pad in loud speaker shown in Fig. 1;
Fig. 5 is the stereogram of pole piece in loud speaker shown in Fig. 1;
Fig. 6 is the installation diagram of pole piece in loud speaker shown in Fig. 1, pad, voice coil loudspeaker voice coil and frame.
[embodiment]
Below in conjunction with drawings and embodiments, the utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, the utility model provides a kind of loud speaker 1, and it comprises frame 10, be contained in magnetic circuit system in this frame 10 and vibrational system, be embedded at described frame 10 and for realizing described loud speaker with the extraneous pad 11 that is electrically connected and form the protecgulum 12 of accommodating described vibrational system and magnetic circuit system with the assembly of described frame 10.
Described vibrational system comprises vibrating diaphragm 13 and drives this vibrating diaphragm 13 vibrate and be provided with the voice coil loudspeaker voice coil 14 of voice coil leads 140, and described voice coil leads 140 comprises bending part 1400.Described magnetic circuit system comprise the magnet steel 15 arranged around described voice coil loudspeaker voice coil 14, the pole piece 16 attaching this magnet steel 15 surface, by described voice coil loudspeaker voice coil 14 around center magnet steel 17, attach the center pole piece 18 on magnet steel 17 surface, described center and the yoke 19 for supporting described magnet steel 15 and center magnet steel 17.Wherein, described pole piece 16 and frame 10 integrated injection molding, greatly can promote the bond strength of pole piece 16 and frame 10 like this, and then promote the structural stability of whole magnetic circuit system.
With reference to Fig. 1,2, shown in 3 and 5, described pole piece 16 comprises towards the first upper surface 160 of vibrating diaphragm 13 and the first lower surface 161 of being oppositely arranged with this first upper surface 160, described pole piece 16 extends the injection moulding portion 162 of injection moulding in frame 10 to the direction away from pole piece 16, namely described pole piece 16 extends this injection moulding portion 162 to the direction of described frame 10, preferably, the part that described pad 11 closes on from described pole piece 16 in described injection moulding portion 162 is extended.This injection moulding portion 162 comprises towards the second upper surface 1620 of vibrating diaphragm 13 and the second lower surface 1621 of being oppositely arranged with this second upper surface 1620, the height of relative first lower surface 161 of this first upper surface 160 is greater than the height of described second upper surface 1620 relative to the first lower surface 161, preferably, this first lower surface 161 and the second lower surface 1621 are positioned at same level, the pole piece edge formation step shape structure of described pad 11 can be closed on like this at pole piece 16, pole piece 16 is not only made to be combined more firm with frame 10, and the upper surface area of frame 10 can be made larger, be convenient to settle other components and parts on the surface of frame, in addition, pad 11 is farther with the first upper surface 160 spacing distance of pole piece 16, be beneficial to pad 11 and carry out the welding jobs such as welding voice coil leads.
Again shown in composition graphs 4, described frame 10 comprises towards the 3rd upper surface 100 of described vibrating diaphragm 13 and the 3rd lower surface 101 that is oppositely arranged with the 3rd upper surface 100.Described pad 11 comprises the 4th upper surface 110 being exposed to described 3rd upper surface 100 and the 4th lower surface 111 being exposed to described 3rd lower surface 101.Described 4th upper surface 110 is for the welding of the voice coil leads 1400 of loud speaker 1 inside, and described 4th lower surface 111 is for welding with external circuitry.Preferably, described first upper surface 161, the 3rd upper surface 100 and the 4th upper surface 110 are positioned at same level.
Described pad 11 comprise partial denudation in the first weld tabs portion 112 of described 3rd upper surface 100, partial denudation in the second weld tabs portion 113 of described 3rd lower surface 101, connect described first weld tabs portion 112 and the second weld tabs portion 113 connecting portion 114 and from described second weld tabs portion 113 towards first direction, weld tabs portion 112 bending extend injection moulding rib 115, described 4th upper surface 110 is positioned at described first weld tabs portion 112, and described 4th lower surface 111 is positioned at described second weld tabs portion 113.This injection moulding rib 115 not only can increase the injection moulding intensity of pad 11 and frame 10, but also can highly regulate angle between described first weld tabs portion 112 and the second weld tabs portion 113 by changing it, in addition, effectively can limit described first weld tabs portion 112 at weld tabs 11 with described injection moulding rib 115 during frame 10 injection moulding to move to the second direction, weld tabs portion 113.
Again shown in composition graphs 5 and 6, described pole piece 16 in the form of a ring and comprise inner side and outer side, is recessed to form first by its Inside To Outside direction and steps down breach 163.Preferred in the utility model, the rectangular ring-type of described pole piece 16, it is provided with four turnings, have two turnings to be provided with first in described four turnings to step down breach 163, and these two are provided with the first turning of stepping down breach 163 and are disposed adjacent, the curved line part 1400 of described voice coil leads 140 is placed in this and first steps down in breach 163.Two turnings remaining in these four turnings are recessed to form second by direction inside lateral and step down breach 164, and described injection moulding portion 162 is positioned at described second and steps down breach 164.Described pad 11 corresponding described second breach 164 of stepping down is arranged, and the distance between described pad 11 and pole piece first upper surface 160 can be made like this to maximize.Described first breach 163 and second breach 164 in the vertical direction of stepping down of stepping down all runs through described pole piece 16.
As shown in figs. 1 and 6, the loud speaker 1 that the utility model provides, it arranges the first curved line part 1400 of stepping down the accommodating voice coil leads 140 of breach 163 at some turnings of pole piece 16, arrange second at remaining turning and step down breach 164 to expand the area of frame 10 upper surface, pole piece 16 so not only can be made to be combined more firm with frame 10, and the curved line part 1400 of voice coil leads 140 can not clash into pole piece 16, frame 10 upper surface has more space to settle other electronic devices and components, and then greatly improves the performance of loud speaker 1.
Above-described is only better embodiment of the present utility model; it should be pointed out that for the person of ordinary skill of the art at this, under the prerequisite not departing from the utility model creation design; improvement can also be made, but these all belong to protection range of the present utility model.

Claims (10)

1. a loud speaker, it comprises frame, be contained in the magnetic circuit system in this frame and vibrational system, described vibrational system comprises vibrating diaphragm and drives this diaphragm oscillations and be provided with the voice coil loudspeaker voice coil of voice coil leads, described magnetic circuit system comprises ring and establishes the magnet steel of described voice coil loudspeaker voice coil outer circumferential side and attach the pole piece of this magnet steel upper surface, described pole piece and frame integrated injection molding, it is characterized in that, described pole piece in the form of a ring, it comprises inner side and outer side, be recessed to form first by its Inside To Outside direction to step down breach, described voice coil leads comprises curved line part, this curved line part is placed in this and first steps down in breach.
2. loud speaker as claimed in claim 1, it is characterized in that: the rectangular ring-type of described pole piece, it comprises four turnings, has two turnings to be provided with first and step down breach in described four turnings, and these two are provided with the first turning of stepping down breach and are disposed adjacent.
3. loud speaker as claimed in claim 2, is characterized in that: two turnings remaining in described four turnings are provided with and are recessed to form second by direction inside its lateral and step down breach.
4. loud speaker as claimed in claim 3, is characterized in that: described loud speaker also comprises with described frame integrated injection molding and for realizing described loud speaker and the extraneous pad is electrically connected, and described pad corresponding described second is stepped down breach setting.
5. loud speaker as claimed in claim 4, it is characterized in that: described pole piece comprises towards the first upper surface of vibrating diaphragm and the first lower surface of being oppositely arranged with this first upper surface, described pole piece extends the injection moulding portion of injection moulding in frame to the direction away from pole piece, this injection moulding portion comprises the second upper surface towards vibrating diaphragm, and this first upper surface is greater than the height of described second upper surface relative to the first lower surface relative to the height of the first lower surface.
6. loud speaker as claimed in claim 5, is characterized in that: the part that described pad closes on from described pole piece in described injection moulding portion is extended, and described injection moulding portion is positioned at described second steps down breach.
7. the loud speaker as described in claim 5 or 6, is characterized in that, described frame comprises towards the 3rd upper surface of described vibrating diaphragm and the 3rd lower surface that is oppositely arranged with the 3rd upper surface, and described pad comprises the 4th upper surface being exposed to described 3rd upper surface.
8. loud speaker as claimed in claim 7, it is characterized in that, described first upper surface and the 3rd upper surface are positioned at same level.
9. loud speaker as claimed in claim 7, it is characterized in that, described pad comprise partial denudation in the first weld tabs portion of described 3rd upper surface, partial denudation in the second weld tabs portion of described 3rd lower surface, connect described first weld tabs portion and the second weld tabs portion connecting portion and from described second weld tabs portion towards first direction, weld tabs portion bending extend injection moulding rib.
10. loud speaker as claimed in claim 1, is characterized in that: described magnetic circuit system also comprise by described voice coil loudspeaker voice coil around center magnet steel and attach the center pole piece on magnet steel surface, described center.
CN201520257565.8U 2015-04-24 2015-04-24 Loudspeaker Expired - Fee Related CN204859542U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520257565.8U CN204859542U (en) 2015-04-24 2015-04-24 Loudspeaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520257565.8U CN204859542U (en) 2015-04-24 2015-04-24 Loudspeaker

Publications (1)

Publication Number Publication Date
CN204859542U true CN204859542U (en) 2015-12-09

Family

ID=54750052

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520257565.8U Expired - Fee Related CN204859542U (en) 2015-04-24 2015-04-24 Loudspeaker

Country Status (1)

Country Link
CN (1) CN204859542U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108064009A (en) * 2017-11-23 2018-05-22 瑞声科技(新加坡)有限公司 Loud speaker and its assembly method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108064009A (en) * 2017-11-23 2018-05-22 瑞声科技(新加坡)有限公司 Loud speaker and its assembly method
CN108064009B (en) * 2017-11-23 2020-08-21 瑞声科技(新加坡)有限公司 Loudspeaker and assembling method thereof

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C14 Grant of patent or utility model
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: 20151209

Termination date: 20210424