CN207869379U - Loud speaker - Google Patents

Loud speaker Download PDF

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Publication number
CN207869379U
CN207869379U CN201820158959.1U CN201820158959U CN207869379U CN 207869379 U CN207869379 U CN 207869379U CN 201820158959 U CN201820158959 U CN 201820158959U CN 207869379 U CN207869379 U CN 207869379U
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CN
China
Prior art keywords
loud speaker
cover
fixed
frame
vibrating diaphragm
Prior art date
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Active
Application number
CN201820158959.1U
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Chinese (zh)
Inventor
肖波
令狐荣林
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 Technologies Pte Ltd
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AAC Technologies Pte Ltd
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Publication date
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Priority to CN201820158959.1U priority Critical patent/CN207869379U/en
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Abstract

The utility model provides a kind of loud speaker, the first vibrating diaphragm for being connected to the upper cover of the frame including frame, lid and being immobilizated between the frame and the upper cover, the upper cover includes the lower surface of the first vibrating diaphragm described in face and the outer surface from lower surface bending extension, first vibrating diaphragm includes ring portion and extends from the ring portion and be fixed on the fixed part of the upper cover, the fixed part includes the first part for covering the lower surface and the second part for covering the outer surface, and the second part is fixed on the outer surface.The loud speaker of the utility model increases the stability of the fixed part and outer surface gluing, reduce the glued hem width of the first part and the lower surface, increase the size of the speaker vibration system, the acoustical behavior for reinforcing the loud speaker, solves the technical issues of poor waterproof properties.

Description

Loud speaker
【Technical field】
The utility model is related to electroacoustic switch technology field more particularly to a kind of loud speakers.
【Background technology】
During the portable equipments fast development such as mobile phone, people are more and more stronger to the Functional Requirement of product, Especially loud speaker also proposed requirements at the higher level other than the requirement of acoustical behavior to water resistance, therefore, have waterproof work( The loud speaker development of energy is getting faster.
The loud speaker of the relevant technologies include frame, lid be connected to the frame upper cover, be contained in the frame Vibrational system and magnetic circuit system for driving the vibrational system sounding, the vibrational system include be immobilizated in the frame and The voice coil of the first vibrating diaphragm and driving the first vibrating diaphragm sounding between the upper cover, first vibrating diaphragm two sides is using gluing Mode is fixed with the frame and the upper cover.
However, in the loud speaker of the relevant technologies, the cemented surface of the upper cover and first vibrating diaphragm only has one side, glue It must could ensure glued stability when conjunction with larger glued hem width, to reduce the size of product vibrational system, influence The acoustical behavior of product, moreover, poor using the water resistance of the loud speaker of this kind of structure.
Therefore, it is necessary to provide a kind of novel loud speaker to solve the above problems.
【Utility model content】
The loud speaker that the purpose of this utility model is to provide a kind of water resistancees is good, acoustical behavior is good.
The technical solution of the utility model is as follows:A kind of loud speaker, including frame, lid are connected to the upper cover of the frame, receive The vibrational system being dissolved in the frame and the magnetic circuit system for driving the vibrational system vibration sounding, the upper cover include The lower surface of first vibrating diaphragm described in face and the outer surface extended from lower surface bending, the vibrational system include fixing The first vibrating diaphragm between the frame and the upper cover, one end are immobilizated in first vibrating diaphragm and for driving described first to shake The voice coil of film vibration sounding, first vibrating diaphragm includes at the top of intermediate, from the ring portion that the ball top perimeter extends and Extend and be fixed on the fixed part of the upper cover from the ring portion, the fixed part includes first of the covering lower surface Divide and cover the second part of the outer surface, the second part is fixed on the outer surface.
Preferably, the upper cover is rectangular box-like structure.
Preferably, the outer surface includes the two short of the two long outer surfaces of two opposite long outer surfaces and connection Outer surface, the second part include that the two long adhesive portions being oppositely arranged are oppositely arranged with the two of the two long adhesive portions of connection Short adhesive portion, the two long adhesive portions are respectively fixed on the two long outer surfaces, and the two short adhesive portions are respectively solid Due to the two short outer surfaces.
Preferably, the vibrational system further include be mounted on support element of the voice coil far from first vibrating diaphragm one end and The second vibrating diaphragm for being attached at the support element and being fixedly connected with the frame, the support element flexibly support the voice coil, institute It states the second vibrating diaphragm and is distributed in the opposite sides of the support element with the voice coil.
Preferably, the long adhesive portion and long outer surface, the short adhesive portion and short outer surface are logical It crosses glue and is sealed gluing.
Preferably, the magnetic circuit system includes yoke, group is assigned in the main magnet steel in yoke center, group is assigned in the yoke The secondary magnet steel of the main magnet steel setting is gone up and surround, the main pole core of the main magnet steel is attached at and is attached at the secondary magnet steel Consequent pole core.
Preferably, the consequent pole core, which is embedded, is fixed on the frame.
Preferably, the loud speaker further includes a pair of of conducting terminal of the group assigned in the frame, passes through the conducting terminal Realize that the voice coil is electrically connected with external circuitry.
Compared with the relevant technologies, loud speaker provided by the utility model the fixed part of first vibrating diaphragm is designed as include Cover the first part of the lower surface of the upper cover and cover the second part of the outer surface of the upper cover, first part with it is upper The lower surface of lid is fixedly connected to form the first faying face, and second part is fixedly connected to form second with the outer surface of upper cover and is combined The presence in face, two basic change face makes the connection of the first vibrating diaphragm and upper cover more stable, while the presence of the second faying face can subtract Small first faying face gluing hem width, increases the size of the speaker vibration system, reinforces the acoustical behavior of the loud speaker;
Still further aspect, when the loud speaker to be assemblied in case, the outside table is completely covered in the second part The one side in face can make the loud speaker water resistance more preferable.
【Description of the drawings】
It is required in being described below to embodiment 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 Other attached drawings are obtained, wherein:
Fig. 1 is the three-dimensional structure diagram of the utility model loud speaker;
Fig. 2 is the stereochemical structure exploded view of the utility model loud speaker;
Fig. 3 is cut-away view of the utility model loud speaker along line A-A shown in FIG. 1.
【Specific implementation mode】
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 The all other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, Fig. 1 is the three-dimensional structure diagram of the utility model loud speaker.The utility model provides one kind and raises one's voice Device 100 comprising frame 1, lid are connected to the upper cover 2 of the frame 1, the vibrational system 3 being contained in the frame 1, magnetic Road system 4 and conducting terminal 5.
It is the stereochemical structure exploded view of the utility model loud speaker please refer to Fig. 2 and Fig. 3, Fig. 2, Fig. 3 is this practicality Cut-away view of the New-type loudspeaker along line A-A shown in FIG. 1.
1 rectangular ring-type of the frame, the upper cover 2 are rectangular box-like structure, and the lid of the upper cover 2 is connected to the frame 1. The upper cover 2 includes the lower surface 21 of frame 1 described in face and the outer surface 22 from the bending extension of the lower surface 21.It is described Outer surface 22 includes two opposite long outer surfaces 221 and connects two short outer surfaces 222 of the two long outer surfaces.
The vibrational system 3 includes the first vibrating diaphragm 31 being immobilizated between the frame 1 and the upper cover 2, one end fixing In first vibrating diaphragm 31 and for drive 31 vibration sounding of the first vibrating diaphragm voice coil 32, be mounted on the voice coil 32 it is separate The support element 33 of described first vibrating diaphragm, 31 one end and the second vibrating diaphragm 34 for being attached at the support element 33.First vibrating diaphragm 31 is used In vibration sounding comprising 311 at the top of intermediate, from the ring portion 312 that 311 periphery of top dome portion extends and from the folding Ring portion 312 extends and is fixed on the fixed part 313 of the upper cover 2, and the fixed part 313 includes cover the lower surface 21 the A part 3131 and the second part 3132 for covering the outer surface 22, the second part 3132 are fixed on the outside table Face 22.The first part 3131 and the lower surface 21 are fixedly connected to form the first faying face, the second part 3132 with The outer surface 22 is fixedly connected to form the second faying face, the presence in two basic change face make first vibrating diaphragm 31 with it is described The connection of upper cover 2 is more stable, while the presence of the second faying face can reduce the first faying face gluing hem width, raise one's voice described in increase The size of 100 vibrational system of device, reinforces the acoustical behavior of the loud speaker 100.
The second part 3132 includes the two long adhesive portions 3133 of the two long adhesive portions 3133 being oppositely arranged and connection The two short adhesive portions 3134 being oppositely arranged, the two long adhesive portions 3133 are respectively fixed on the two long outer surfaces 221, The two short adhesive portions 3134 are respectively fixed on the two short outer surfaces 222.In this way, when assembling loud speaker, it will be described Upper cover 2 is completely covered in the outer surface 22 that the side of first vibrating diaphragm 31 is fixed on the upper cover 2, just solves well anti- The technical issues of water poor performance.
In other embodiments, each long adhesive portion 3133 can be partially covered the corresponding long outer surface 221, Each short adhesive portion 3134 also can be partially covered the corresponding short outer surface 222.
In the present embodiment, the second part of first vibrating diaphragm 31 is fixed on the lateral surface of the upper cover 3 by glue 22, i.e., the described long adhesive portion 3133 and long outer surface 221, the short adhesive portion 3134 and short outer surface are logical It crosses glue and is sealed gluing, to ensure the stability of 22 gluing of the second part 3132 and the outer surface.
The support element 33 is mounted on the one end of the voice coil 32 far from first vibrating diaphragm 31, and connects with the frame 1 It connects, flexibly supports the voice coil 32.
Second vibrating diaphragm 34 is attached at the one end of the support element 33 far from the voice coil 32, i.e., the described support element 33 presss from both sides Between the voice coil 32 and second vibrating diaphragm 34.Second vibrating diaphragm 34 is used to enhance the vibration of the loud speaker 100 Effect and increase stability of vibration.
The magnetic circuit system 4 is for driving 3 vibration sounding of the vibrational system comprising yoke 41, group are assigned in the magnetic The main magnet steel 42 in 41 center of yoke, group are assigned in the yoke 41 and are arranged to form the secondary magnetic of magnetic gap around the main magnet steel 42 Steel 43, the main pole core 44 for being attached at the main magnet steel 43 and the consequent pole core 45 for being attached at the secondary magnet steel 43.
5 groups of the conducting terminal is assigned in the frame 1, for realizing being electrically connected for the voice coil 32 and external circuitry.
Compared with the relevant technologies, loud speaker provided by the utility model designs the fixed part 313 of first vibrating diaphragm 31 It is the first part 3131 and the second of the outer surface 22 for covering the upper cover 2 for including the lower surface 21 for covering the upper cover 2 Part 3132, the lower surface 21 of the first part 3131 and the upper cover 2 are fixedly connected to form the first faying face, and described second The outer surface 22 of part 3132 and the upper cover 2 is fixedly connected to form the second faying face, and the presence in two basic change face makes the One vibrating diaphragm 31 and the connection of upper cover 2 are more stable, while the presence of the second faying face can reduce the first faying face gluing edge Width increases the size of 100 vibrational system of the loud speaker, reinforces the acoustical behavior of the loud speaker;
Still further aspect, when the loud speaker to be assemblied in case, the outside table is completely covered in the second part The one side in face 22 can make 100 water resistance of the loud speaker more preferable.
Above-described is only the embodiment of the utility model, 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 this practicality Novel protection domain.

Claims (8)

1. a kind of loud speaker, including frame, lid are connected to the upper cover of the frame, the vibrational system and use being contained in the frame In the magnetic circuit system for driving the vibrational system vibration sounding, the vibrational system includes being immobilizated in the frame and the upper cover Between the first vibrating diaphragm and driving the first diaphragm oscillations sounding voice coil, the upper cover includes the first vibrating diaphragm described in face Lower surface and the outer surface extended from lower surface bending, which is characterized in that first vibrating diaphragm includes at the top of intermediate, Extend from the ring portion that the ball top perimeter extends and from the ring portion and be fixed on the fixed part of the upper cover, it is described Fixed part includes the first part for covering the lower surface and the second part for covering the outer surface, and the second part is solid Due to the outer surface.
2. loud speaker according to claim 1, which is characterized in that the upper cover is rectangular box-like structure.
3. loud speaker according to claim 1, which is characterized in that the outer surface includes two opposite long outer surfaces With two short outer surfaces of the two long outer surfaces of connection, the second part includes the two long adhesive portions being oppositely arranged and company The two short adhesive portions being oppositely arranged of the two long adhesive portions are connect, the two long adhesive portions are respectively fixed on the two long outsides Surface, the two short adhesive portions are respectively fixed on the two short outer surfaces.
4. loud speaker according to any one of claims 1 to 3, which is characterized in that the second part is fixed by glue In the outer surface.
5. loud speaker according to claim 1, which is characterized in that the vibrational system further includes remote mounted on the voice coil Support element from first vibrating diaphragm one end and the second vibrating diaphragm for being attached at the support element and being fixedly connected with the frame, institute It states support element and flexibly supports the voice coil, second vibrating diaphragm is distributed in the opposite sides of the support element with the voice coil.
6. loud speaker according to claim 1, which is characterized in that the magnetic circuit system includes yoke, group assigned in the magnetic The main magnet steel in yoke center, group are assigned in the yoke and surround the secondary magnet steel of the main magnet steel setting, are attached at the main magnet steel Main pole core and be attached at the consequent pole core of the secondary magnet steel.
7. loud speaker according to claim 6, which is characterized in that the consequent pole core, which is embedded, is fixed on the frame.
8. loud speaker according to claim 1, which is characterized in that the loud speaker further includes that a pair of of group is assigned in the frame Conducting terminal, realize that the voice coil is electrically connected with external circuitry by the conducting terminal.
CN201820158959.1U 2018-01-27 2018-01-27 Loud speaker Active CN207869379U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820158959.1U CN207869379U (en) 2018-01-27 2018-01-27 Loud speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820158959.1U CN207869379U (en) 2018-01-27 2018-01-27 Loud speaker

Publications (1)

Publication Number Publication Date
CN207869379U true CN207869379U (en) 2018-09-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820158959.1U Active CN207869379U (en) 2018-01-27 2018-01-27 Loud speaker

Country Status (1)

Country Link
CN (1) CN207869379U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109348373A (en) * 2018-09-30 2019-02-15 瑞声科技(新加坡)有限公司 Microphone device
CN111131976A (en) * 2020-03-05 2020-05-08 瑞声科技(新加坡)有限公司 Loudspeaker
WO2020181893A1 (en) * 2019-03-14 2020-09-17 歌尔股份有限公司 Sound generation device and electronic product
WO2020248194A1 (en) * 2019-06-11 2020-12-17 瑞声声学科技(深圳)有限公司 Loudspeaker

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109348373A (en) * 2018-09-30 2019-02-15 瑞声科技(新加坡)有限公司 Microphone device
WO2020181893A1 (en) * 2019-03-14 2020-09-17 歌尔股份有限公司 Sound generation device and electronic product
WO2020248194A1 (en) * 2019-06-11 2020-12-17 瑞声声学科技(深圳)有限公司 Loudspeaker
CN111131976A (en) * 2020-03-05 2020-05-08 瑞声科技(新加坡)有限公司 Loudspeaker
CN111131976B (en) * 2020-03-05 2021-02-26 瑞声科技(新加坡)有限公司 Loudspeaker

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