CN106101947B - Loudspeaker go out acoustic form and mobile terminal - Google Patents

Loudspeaker go out acoustic form and mobile terminal Download PDF

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Publication number
CN106101947B
CN106101947B CN201610458395.9A CN201610458395A CN106101947B CN 106101947 B CN106101947 B CN 106101947B CN 201610458395 A CN201610458395 A CN 201610458395A CN 106101947 B CN106101947 B CN 106101947B
Authority
CN
China
Prior art keywords
sound chamber
loudspeaker
acoustic
speaker
sound
Prior art date
Application number
CN201610458395.9A
Other languages
Chinese (zh)
Other versions
CN106101947A (en
Inventor
任志国
陈培驹
曾传华
Original Assignee
Oppo广东移动通信有限公司
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 Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN201610458395.9A priority Critical patent/CN106101947B/en
Publication of CN106101947A publication Critical patent/CN106101947A/en
Application granted granted Critical
Publication of CN106101947B publication Critical patent/CN106101947B/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06Loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00Loudspeakers
    • H04R2400/11Aspects regarding the frame of loudspeaker transducers

Abstract

The present invention is suitable for technical field of electronic products, provide a kind of loudspeaker go out acoustic form include plastic rubber bracket equipped with accommodating cavity and sound outlet hole, accommodate and be fixedly installed in the accommodating cavity body with the accommodating cavity is divided into the speaker body of preceding sound chamber and rear sound chamber and be adhered between the plastic rubber bracket and the speaker body with seal separate the preceding sound chamber and it is described after sound chamber the first double faced adhesive tape, the sound outlet hole is set to the side for accommodating cavity and communicates with the preceding sound chamber.The loudspeaker go out acoustic form and pass through first double faced adhesive tape be bonded between metal connecting piece and the speaker body, so that the preceding sound chamber and the rear sound chamber are fully sealed barrier and open, in this way, ensure the independence and effectively sealing of the preceding sound chamber and the rear sound chamber, it uses first double faced adhesive tape to go out the thickness of acoustic form to greatly reduce the loudspeaker, and greatly reduces cost and improve efficiency.

Description

Loudspeaker go out acoustic form and mobile terminal
Technical field
Go out acoustic form the invention belongs to technical field of electronic products more particularly to a kind of loudspeaker and there are the loudspeaker to speak The mobile terminal of structure.
Background technique
With the development of science and technology, existing portable electronic device (such as mobile terminal etc.) becomes thin, in order to meet The thin fuselage of mobile terminal, each components of mobile terminal must design smaller and smaller accordingly.In general, in the terminal, A key point of complete machine height is influenced when height at loudspeaker.
More and more mobile terminals are succinct and beautiful in order to appearance, and loudspeaker are all gone out the bottom that acoustic aperture is opened in mobile terminal Portion side, and dispensing sealing is generallyd use, it is costly and inefficient however, sealing to bring in this way, in addition, sound chamber Structure is complicated and parts damages rate and scrappage is easy to cause to improve.
Summary of the invention
The purpose of the present invention is to provide a kind of loudspeaker to go out acoustic form, it is intended to solve loudspeaker in the prior art and go out acoustic aperture use Dispensing sealing leads to the technical issues of cost raising and inefficiency.
The invention is realized in this way a kind of loudspeaker go out acoustic form, the plastic cement branch including being equipped with accommodating cavity and sound outlet hole Frame accommodates and is fixedly installed in the loudspeaker sheet that the accommodating cavity is divided into preceding sound chamber and rear sound chamber in the accommodating cavity body Body and be adhered between the plastic rubber bracket and the speaker body with seal separate the preceding sound chamber and it is described after sound chamber First double faced adhesive tape, the sound outlet hole are set to the side of the accommodating cavity and communicate with the preceding sound chamber.
Further, the plastic rubber bracket includes bottom plate and the side wall along the prominent extension in the bottom plate side, the bottom Plate and the side wall are enclosed the accommodating cavity, and the side wall, the bottom plate and the speaker body are enclosed side The closed preceding sound chamber, the sound outlet hole are formed on a side wall.
Further, the side wall in-mould injection has a metal connecting piece, and a surface of the metal connecting piece with it is described The bottom surface of speaker body is relatively and first double faced adhesive tape fits in therebetween.
Further, the plastic rubber bracket is equipped with the opening communicated with the preceding sound chamber in the bottom plate, and including edge The side wall has the support table away from the speaker body side towards the support portion extended in the opening, the support portion Face;It further includes the metal cover board being adhered on the support surface that the loudspeaker, which go out acoustic form,.
Further, it further includes being sealedly and fixedly connected in the support surface and the metal cover that the loudspeaker, which go out acoustic form, The second double faced adhesive tape between plate.
Further, it further includes that the sound outlet hole is fixedly connected with and covered with the plastic rubber bracket that the loudspeaker, which go out acoustic form, The Air Filter in aperture.
The present invention also provides a kind of mobile terminal, including above-mentioned loudspeaker sound emitting structure and with the plastic rubber bracket and institute State the circuit board that speaker body forms the rear sound chamber.
Further, the mobile terminal further include sealing be adhered to it is close between the circuit board and the plastic rubber bracket Seal foam.
The present invention compared with the existing technology have the technical effect that the loudspeaker go out acoustic form by metal connecting piece with it is described First double faced adhesive tape is bonded between speaker body, so that the preceding sound chamber and the rear sound chamber are fully sealed barrier and open, this Sample, it is ensured that the independence and effectively sealing of the preceding sound chamber and the rear sound chamber use first double faced adhesive tape to contract significantly The small loudspeaker go out the thickness of acoustic form, and greatly reduce cost and improve efficiency.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to the embodiment of the present invention or the prior art Attached drawing needed in description is briefly described, it should be apparent that, drawings described below is only of the invention Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this A little attached drawings obtain other attached drawings.
Fig. 1 is the three-dimensional cutaway view that the embodiment of the present invention provides that loudspeaker go out acoustic form;
Fig. 2 is the cross-sectional view that loudspeaker go out acoustic form in Fig. 1.
Description of symbols:
10 Plastic rubber bracket 180 Support surface
12 Accommodate cavity 20 Speaker body
13 Sound outlet hole 30 First double faced adhesive tape
120 Preceding sound chamber 40 Metal connecting piece
125 Sound chamber afterwards 50 Metal cover board
14 Bottom plate 60 Second double faced adhesive tape
15 Side wall 70 Air Filter
16 Opening 80 Sealing foam
18 Support portion
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " length ", " width ", "upper", "lower", "front", "rear", The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention System.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more, Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be mechanical connect It connects, is also possible to be electrically connected;It can be directly connected, can also can be in two elements indirectly connected through an intermediary The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings Condition understands the concrete meaning of above-mentioned term in the present invention.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.
Referring to Fig.1 and 2, it includes being equipped with accommodating cavity 12 and out sound that loudspeaker provided in an embodiment of the present invention, which go out acoustic form, The plastic rubber bracket 10 in hole 13 is accommodated and is fixedly installed in the accommodating cavity 12 so that the accommodating cavity 12 is divided into preceding sound It the speaker body 20 of chamber 120 and rear sound chamber 125 and is adhered between the plastic rubber bracket 10 and the speaker body 20 with close The first double faced adhesive tape 30 of the break preceding sound chamber 120 and the rear sound chamber 125 is insulated, the sound outlet hole 13 is set to the accommodating The side of cavity 12 is simultaneously communicated with the preceding sound chamber 120.
Loudspeaker provided in an embodiment of the present invention go out acoustic form by gluing between plastic rubber bracket 10 and the speaker body 20 First double faced adhesive tape 30 is connect, so that the preceding sound chamber 120 and the rear sound chamber 125 are fully sealed barrier and open, thus it is ensured that The preceding sound chamber 120 and it is described after sound chamber 125 independence and effectively sealing, use first double faced adhesive tape 30 to contract significantly The small loudspeaker go out the thickness of acoustic form, and greatly reduce cost and improve efficiency.
In this embodiment, the speaker body 20 is placed in the accommodating cavity 12 and divides the accommodating cavity 12 It is segmented into the preceding sound chamber 120 and the rear sound chamber 125, and the sound outlet hole 13 is communicated with the preceding sound chamber 120.Preferably, institute The shape for stating sound outlet hole 13 can be rectangular, round, oval or other arbitrary shapes.
Referring to Fig.1 and 2, further, the plastic rubber bracket 10 is including bottom plate 14 and along 14 side of bottom plate The prominent side wall 15 extended, the bottom plate 14 and the side wall 15 are enclosed the accommodating cavity 12, the side wall 15, described Bottom plate 14 and the speaker body 20 are enclosed the closed preceding sound chamber 120 in side, and the sound outlet hole 13 is formed in an institute It states on side wall 15.The speaker body 20 is contained in the accommodating cavity 12, and the thickness of the speaker body 20 is slightly smaller than institute The height of side wall 15 is stated, so that the preceding sound chamber 120 and the rear sound chamber 125 have enough sound cavity spaces, the sound outlet hole 13 Set on the side wall 15 and through the side wall 15 to be communicated with the preceding sound chamber 120.
Referring to Fig.1 and 2, further, 15 in-mould injection of side wall has metal connecting piece 40, and the metal connects One surface of fitting 40, first double faced adhesive tape 30 opposite and described with the bottom surface of the speaker body 20 fits in therebetween. The metal connecting piece 40 and the side wall 15 are wholely set by the way of in-mould injection, so that the metal connecting piece 40 It is fixedly installed on the plastic rubber bracket 10, to enhance the plastic rubber bracket 10 fastness fixed with the speaker body 20, Play the role of enhancing 10 intensity of plastic rubber bracket, and is sealed using the metal connecting piece 40 with the speaker body 20 Connection can substantially reduce the loudspeaker and go out the thickness of acoustic form, and meet intensity requirement.The loudspeaker go out described in acoustic form use First double faced adhesive tape 30 is fixedly connected with the speaker body 20, so that the preceding sound chamber 120 and the rear sound chamber 125 close resistance It separates, to guarantee the independence and effectively sealing of the preceding sound chamber 120 and the rear sound chamber 125.Preferably, the metal connecting piece 40 be in bending, and a portion is embedded in the side wall 15, another part towards extend in the preceding sound chamber 120 and with it is described First double faced adhesive tape 30 described in the underrun of speaker body 20 is adhered to together.
Referring to Fig.1 and 2, further, the plastic rubber bracket 10 is equipped with and the preceding sound chamber in the bottom plate 14 120 metal connecting pieces 40 communicated, and including along the side wall 15 towards the support portion 18 that extends in the opening 16, the branch Support part 18 has the support surface 180 away from 20 side of speaker body;It further includes being adhered to institute that the loudspeaker, which go out acoustic form, State the metal cover board 50 on support surface 180.It is described the metal cover board 50 to be covered on by the way that the support portion 18 is arranged On plastic rubber bracket 10 and by 16 sealing of opening, to guarantee being completely closed for the preceding sound chamber 120.
In this embodiment, the bottom plate 14, the side wall 15 and the support plate are made by being integrally formed.
In this embodiment, it is enclosed by the metal cover board 50, the side wall 15 and the speaker body 20 closed The preceding sound chamber 120.
Referring to Fig.1 and 2, further, it further includes being sealedly and fixedly connected in the support that the loudspeaker, which go out acoustic form, The second double faced adhesive tape 60 between surface 180 and the metal cover board 50.By the way that second double faced adhesive tape 60 is arranged so that institute It states support surface 180 to be sealedly and fixedly connected with the metal cover board 50, guarantees being completely closed for the preceding sound chamber 120, maintenance side Just, and scrappage is low, greatly reduces cost.
Referring to Fig.1 and 2, further, the loudspeaker go out acoustic form and further include and the fixed company of the plastic rubber bracket 10 Connect and cover the Air Filter 70 in 13 aperture of sound outlet hole.Enter the sound out by the way that the Air Filter 70 is arranged to avoid dust In hole 13, and the Air Filter 70 and the plastic rubber bracket 10 are realized using bonding way and are fixed, to reduce integral thickness.
Referring to Fig.1 and 2, mobile terminal provided in an embodiment of the present invention include above-mentioned loudspeaker sound emitting structure and with institute It states plastic rubber bracket 10 and the speaker body 20 forms the circuit board (not shown) of the rear sound chamber 125.The loudspeaker go out acoustic form Go out the identical structure of acoustic form with the loudspeaker with the various embodiments described above, and role is identical, does not repeat one by one herein.It is described Speaker body 20, the plastic rubber bracket 10 and the circuit board are enclosed the rear sound chamber 125, the preceding sound chamber 120 and institute State the opposite sides that rear sound chamber 125 is located at the speaker body 20.
Referring to Fig.1 and 2, further, the mobile terminal further include sealing be adhered to the circuit board with it is described Sealing foam 80 between plastic rubber bracket 10.Use the sealing foam 80 with the plastic rubber bracket 10 and the circuit board is close Envelope connection, it is preferable that the sealing foam 80 is adhered on the side wall 15 of the plastic rubber bracket 10, so that under the side wall 15 Surface fits on the circuit board, so that sound chamber 125 is completely closed after described.
In other embodiments, the mobile terminal may be replaced with tablet computer or e-book etc., be not limited to This.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.

Claims (8)

1. a kind of loudspeaker go out acoustic form, which is characterized in that including being equipped with the plastic rubber bracket for accommodating cavity and sound outlet hole, receiving and consolidating Dingan County is loaded on the speaker body and bonding that the accommodating cavity is divided into preceding sound chamber and rear sound chamber in the accommodating cavity body To seal the first double-sided adhesive for separating the preceding sound chamber and the rear sound chamber between the plastic rubber bracket and the speaker body Band, the sound outlet hole are set to the side of the accommodating cavity and communicate with the preceding sound chamber;The preceding sound chamber and the rear sound Chamber is located at the opposite sides of the speaker body;It is additionally provided in the accommodating cavity body and is fixedly installed in a manner of in-mould injection Metal connecting piece on the plastic stent fits in the metal connecting piece and the loudspeaker by first double faced adhesive tape Between ontology, realize described bonding between the plastic rubber bracket and the speaker body.
2. loudspeaker as described in claim 1 go out acoustic form, which is characterized in that the plastic rubber bracket includes bottom plate and along described The prominent side wall extended in bottom plate side, the bottom plate and the side wall are enclosed the accommodating cavity, the side wall, the bottom Plate and the speaker body are enclosed the closed preceding sound chamber in side, and the sound outlet hole is formed on a side wall.
3. loudspeaker as claimed in claim 2 go out acoustic form, which is characterized in that the metal connecting piece in-mould injection is in the side Wall, and a surface of the metal connecting piece is opposite with the bottom surface of the speaker body and first double faced adhesive tape fits in Therebetween.
4. loudspeaker as claimed in claim 2 go out acoustic form, which is characterized in that the plastic rubber bracket in the bottom plate be equipped with The opening that the preceding sound chamber communicates, and including along the side wall towards the support portion extended in the opening, the support portion tool There is the support surface away from the speaker body side;It further includes being adhered on the support surface that the loudspeaker, which go out acoustic form, Metal cover board.
5. loudspeaker as claimed in claim 4 go out acoustic form, which is characterized in that it further includes that sealing is fixed that the loudspeaker, which go out acoustic form, The second double faced adhesive tape being connected between the support surface and the metal cover board.
6. loudspeaker as described in claim 1 go out acoustic form, which is characterized in that further include being fixedly connected simultaneously with the plastic rubber bracket Cover the Air Filter in the sound outlet hole aperture.
7. a kind of mobile terminal, which is characterized in that including the loudspeaker sound emitting structure as described in claim 1 to 6 any one with And the circuit board of the rear sound chamber is formed with the plastic rubber bracket and the speaker body.
8. mobile terminal as claimed in claim 7, which is characterized in that further include that sealing is adhered to the circuit board and the modeling Sealing foam between glue bracket.
CN201610458395.9A 2016-06-20 2016-06-20 Loudspeaker go out acoustic form and mobile terminal CN106101947B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610458395.9A CN106101947B (en) 2016-06-20 2016-06-20 Loudspeaker go out acoustic form and mobile terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610458395.9A CN106101947B (en) 2016-06-20 2016-06-20 Loudspeaker go out acoustic form and mobile terminal

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CN106101947A CN106101947A (en) 2016-11-09
CN106101947B true CN106101947B (en) 2019-01-15

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Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106686506A (en) * 2017-02-24 2017-05-17 上海与德信息技术有限公司 Loudspeaker
CN109302662A (en) * 2017-07-25 2019-02-01 西安中兴新软件有限责任公司 A kind of sealing structure and terminal
CN107820179A (en) * 2017-11-28 2018-03-20 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
CN107948889B (en) * 2017-11-28 2020-09-18 瑞声科技(新加坡)有限公司 Loudspeaker box
CN108462926B (en) * 2018-01-04 2020-07-14 瑞声科技(新加坡)有限公司 Loudspeaker box
CN108260059B (en) * 2018-01-24 2020-04-10 出门问问信息科技有限公司 Loudspeaker mounting structure and have its electronic equipment
CN108712693B (en) * 2018-03-26 2020-12-04 Oppo广东移动通信有限公司 Shell assembly and electronic equipment with same
CN109831722A (en) * 2018-12-30 2019-05-31 瑞声声学科技(深圳)有限公司 A kind of loudspeaker

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CN203691620U (en) * 2014-01-22 2014-07-02 广东欧珀移动通信有限公司 Ultra-thin acoustic cavity structure
CN205040018U (en) * 2015-09-02 2016-02-17 上海与德通讯技术有限公司 Horn assembly and electronic equipment
CN205212907U (en) * 2015-11-26 2016-05-04 上海与德通讯技术有限公司 Electronic device

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Publication number Priority date Publication date Assignee Title
CN202395941U (en) * 2011-12-27 2012-08-22 联想(北京)有限公司 Audio output device for electronic equipment
CN203691620U (en) * 2014-01-22 2014-07-02 广东欧珀移动通信有限公司 Ultra-thin acoustic cavity structure
CN205040018U (en) * 2015-09-02 2016-02-17 上海与德通讯技术有限公司 Horn assembly and electronic equipment
CN205212907U (en) * 2015-11-26 2016-05-04 上海与德通讯技术有限公司 Electronic device

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