CN106714047B - A kind of audio cavity structure and mobile terminal - Google Patents
A kind of audio cavity structure and mobile terminal Download PDFInfo
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- CN106714047B CN106714047B CN201611087900.XA CN201611087900A CN106714047B CN 106714047 B CN106714047 B CN 106714047B CN 201611087900 A CN201611087900 A CN 201611087900A CN 106714047 B CN106714047 B CN 106714047B
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- shell
- loudspeaker
- cavity structure
- support plate
- audio cavity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
- H04M1/035—Improving the acoustic characteristics by means of constructional features of the housing, e.g. ribs, walls, resonating chambers or cavities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Abstract
The invention discloses a kind of audio cavity structure and mobile terminal, audio cavity structure includes: shell and the wiring board, loudspeaker, support plate for being set in the housing portion；Shell includes first shell interconnected, second shell, and first shell is equipped with the sound outlet hole through first shell, is equipped with the ante-chamber channel being connected to sound outlet hole on the inside of first shell；The groove body for accommodating loudspeaker is equipped on the inside of second shell；Mobile terminal includes above-mentioned audio cavity structure and display screen；Wherein, display screen is mounted on the outside of second shell；Present invention can apply to communication electronics fields, defect existing in the prior art can be effectively overcome using the present invention, the application of independent integration BOX can be substituted by the optimization connection setting of component, it can eliminate because of limitation brought by integrated BOX die manufacturing cycle and cost of manufacture, the concrete composition of audio cavity structure can be optimized；It can be avoided because of integrated BOX bring sealing problem, can be improved the sealing performance of structure entirety.
Description
Technical field
The present invention relates to communication electronics field, espespecially a kind of audio cavity structure and mobile terminal.
Background technique
Currently, on smart phone, loudspeaker are individually being sealed in integrated box design scheme in a closed sound chamber just
It is becoming more and more popular；Wherein, loudspeaker side goes out sound mode mainly using integration BOX mode.Above-mentioned box integration sound chamber is answered
It is mostly to be connected by screw between handset shell and box, rear shell has been connected by screw to box sound chamber and can be integrated in
Structure；The various components of box and the installation process of rear shell, manual cumbersome, heavy workload.
In addition, above-mentioned box integration sound chamber needs to customize special mold, the at high cost and and mold of above-mentioned particular manufacturing craft
Manufacturing cycle is long；Meanwhile the preceding sound chamber of BOX integration sound chamber is easy to bring close with also needing to seal by foam between shell
Envelope problem.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides a kind of audio cavity structures, can effectively overcome in the prior art
Existing defect can be substituted the application of independent integration BOX by the optimization connection setting of component, can be eliminated because of one
Change limitation brought by BOX die manufacturing cycle and cost of manufacture, the concrete composition of audio cavity structure can be optimized；It can be avoided
Because of integrated BOX bring sealing problem, the sealing performance of structure entirety can be improved.
In order to reach the object of the invention, the present invention provides a kind of audio cavity structures, comprising: shell and is set in the housing portion
Wiring board, loudspeaker, support plate；Wherein,
The shell includes first shell interconnected, second shell, and the first shell, which is equipped with, runs through first shell
Sound outlet hole, be equipped with the ante-chamber channel being connected to sound outlet hole on the inside of the first shell；It is equipped with and is used on the inside of the second shell
Accommodate the groove body of loudspeaker；
The support plate has hollow channel, and the side of the support plate is the connect with the port outer in ante-chamber channel
One side, the other side of the support plate are the second side of support speaker；The loudspeaker installation is in the circuit board, described
Cavity between first side and the ante-chamber channel constitutes the preceding sound chamber of loudspeaker, the second side, wiring board with it is described
Cavity between groove body constitutes the rear sound chamber of loudspeaker.
Optionally, above-mentioned audio cavity structure can also have following features,
The first side of the support plate and the port outer bonding connection in ante-chamber channel.
Optionally, above-mentioned audio cavity structure can also have following features,
The second side of the support plate is equipped with the first seal around hollow channel setting, and the first seal is used
Sealing between realization second side and loudspeaker.
Optionally, above-mentioned audio cavity structure can also have following features,
The second side of the support plate is equipped with the second seal being set on the outside of first seal, second sealing
Part is for realizing the sealing between second side and wiring board.
Optionally, above-mentioned audio cavity structure can also have following features,
Third sealing element is equipped between the wiring board and the groove body of the second shell.
Optionally, above-mentioned audio cavity structure can also have following features,
The first location structure is equipped between the wiring board and the first shell.
Optionally, above-mentioned audio cavity structure can also have following features,
The positioning mechanism includes mutually matched positioning column and positioning hole, and the positioning column and positioning hole are respectively arranged on institute
It states on wiring board and in first shell.
Optionally, above-mentioned audio cavity structure can also have following features,
The second location structure is equipped between the wiring board and the loudspeaker.
Optionally, above-mentioned audio cavity structure can also have following features,
The first seal, second seal, third sealing element are ring packing foam.
To solve the above-mentioned problems, the present invention also provides a kind of mobile terminals, including any one of claims 1 to 9
The audio cavity structure further includes display screen；Wherein,
The display screen is mounted on the outside of the second shell.
Compared with prior art, the present invention can be connected by the optimization between above-mentioned support plate, wiring board and shell, be constituted
Preceding sound chamber, the rear sound chamber of loudspeaker, and then the technical solution of alternative integration BOX in the prior art；It can be by above-mentioned
Optimization connection is eliminated because limiting brought by integrated BOX die manufacturing cycle and cost of manufacture, can optimize audio cavity structure
Concrete composition, can be effectively reduced the cost of manufacture of audio cavity structure.
Further, the present invention can also by the bonding connection between above-mentioned support plate and the ante-chamber channel of first shell,
The foam sealing means of the preceding sound chamber of independent integration BOX in the prior art can effectively be avoided；In the present embodiment, support plate
Bonding connection between first shell, sound chamber has relatively stable sealing performance before capable of guaranteeing, can reduce sealing bubble
Corresponding sealing cost can be effectively reduced in the application of cotton.
Further, the present invention can also be can effectively ensure that by the setting of above-mentioned first seal and second seal
Sealing stability between loudspeaker and the second side of support plate, and can effectively ensure that the second side and line of support plate
Sealing stability between the plate of road, and then can effectively ensure that the overall sealing performance of the rear sound chamber of loudspeaker.
Further, the present invention can also can be realized wiring board and second shell by the setting of above-mentioned third sealing element
Groove body between sealing stability, the cavity that can be effectively ensured between the groove body of second shell, wiring board is closed chamber
Body, and then cooperate the setting of aforementioned first seal, second seal, it can be further ensured that the good of the rear sound chamber of loudspeaker
Sealing performance, the unstable situation of speaker performance caused by capable of effectively avoiding because of poor sealing occur.
Further, the present invention can also can effectively ensure that wiring board and by the setting of above-mentioned first location structure
Operation is installed in accurate positioning between one shell, and the poor sealing situation caused by capable of effectively avoiding because of installation error can
The overall sealing performance that the rear sound chamber of loudspeaker is effectively ensured is good.
Further, the present invention can also can effectively ensure that loudspeaker and line by the setting of above-mentioned second location structure
The convenient assembly operation of road plate, and accurate installation operation；Poor contact feelings caused by capable of effectively avoiding because of installation error
Condition can effectively ensure that the global reliability of the rear sound chamber of loudspeaker.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention can be by specification, right
Specifically noted structure is achieved and obtained in claim and attached drawing.
Detailed description of the invention
Attached drawing is used to provide to further understand technical solution of the present invention, and constitutes part of specification, with this
The embodiment of application technical solution for explaining the present invention together, does not constitute the limitation to technical solution of the present invention.
Fig. 1 is the structure general assembly schematic diagram of the embodiment of the present invention one；
Fig. 2 is partial enlarged view at the A of Fig. 1；
Fig. 3 is the partial structural diagram in the embodiment of the present invention one；
Fig. 4 is the structural front view of the support plate in the embodiment of the present invention one；
Fig. 5 is the structure left view of the support plate in the embodiment of the present invention one
Fig. 6 is the structure rearview of the support plate in the embodiment of the present invention one；
Fig. 7 is the partial structural diagram in the embodiment of the present invention two；
Fig. 8 is the structure general assembly schematic diagram of the embodiment of the present invention four；
Fig. 9 is partial enlarged view at the B of Fig. 8.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application
Feature can mutual any combination.
Embodiment one:
In conjunction with shown in Fig. 1-Fig. 6, a kind of audio cavity structure provided in the embodiment of the present invention one may include: shell and set
In the wiring board 4, loudspeaker 3, support plate 5 of enclosure interior；Shell includes first shell 1 interconnected, second shell 2, is raised
Sound device 3 is installed in assist side 4；Wherein, first shell 1 is equipped with the sound outlet hole 7 through first shell 1, sets on the inside of first shell 1
There is the ante-chamber channel 6 being connected to sound outlet hole 7；The groove body for accommodating loudspeaker 3 is equipped on the inside of second shell 2；In concrete operations,
Above-mentioned loudspeaker 3 can be installed in assist side 4, the basic circuit connection of loudspeaker 3 can be completed.
Further, support plate 5 has hollow channel, and the side of support plate 5 is to connect with the port outer in ante-chamber channel 6
First side 52, the other side of support plate 5 is the second side 51 of support speaker 3；First side 52 and ante-chamber channel 6 it
Between cavity constitute the preceding sound chamber of loudspeaker 3, after cavity between second side 51, wiring board 4 and groove body constitutes loudspeaker 3
Sound chamber.
It in concrete operations, can be connected by the optimization between above-mentioned support plate 5, wiring board 4 and shell, constitute loudspeaker 3
Preceding sound chamber, rear sound chamber, and then the technical solution of alternative integration BOX in the prior art；It can be connected by above-mentioned optimization
It connects, eliminates because being limited brought by integrated BOX die manufacturing cycle and cost of manufacture, the specific of audio cavity structure can be optimized
Composition, can be effectively reduced the cost of manufacture of audio cavity structure, easy to spread and implement.
Further, in order to improve loudspeaker 3 preceding sound chamber good seal performance；In the present embodiment, above-mentioned branch
The first side 52 of fagging 5 and the port outer bonding connection in ante-chamber channel 6.
In concrete operations, the first side 52 of support plate 5 can be smeared ring shape binding glue region 24, to realize support plate 5
Connection between the port outer in ante-chamber channel 6；The shape of above-mentioned support plate 5 is matched with the port outer in ante-chamber channel 6
Shape, that is, the port outer in ante-chamber channel 6 is close at the edge of the first side 52 of above-mentioned support plate 5, and viscous by above-mentioned annular
Being stably connected between the first side 52 and ante-chamber channel 6 of support plate 5 is realized in the setting in gum deposit region 24；It needs to illustrate
It is the bonding connection between above-mentioned support plate 5 and the ante-chamber channel 6 of first shell 1, can effectively avoids independent in the prior art
Integrated BOX preceding sound chamber foam sealing means；In the present embodiment, the bonding between support plate 5 and first shell 1 connects
It connects, sound chamber has relatively stable sealing performance before capable of guaranteeing, can reduce the application of sealing foam, can be effectively reduced
Corresponding sealing cost.
Above-mentioned audio cavity structure provided in this embodiment, can be used following mount scheme:
Firstly, the first side 52 of support plate 5 is smeared corresponding ring shape binding glue region 24 along its edge, and will be corresponding
Ring shape binding glue region 24 be adjacent in the port outer in the ante-chamber channel 6 of first shell 1, the fixation of support plate 5 can be realized
Connection；In the present embodiment, above-mentioned support plate 5 is stainless steel substrates.
In turn, wiring board 4 is fixed in first shell 1, loudspeaker 3 may be mounted on wiring board 4 at this time, support simultaneously
The second side 51 of plate 5 can be realized stablizing for loudspeaker 3 and support, between ante-chamber channel 6 and the first side 52 of support plate 5
Connect and compose the preceding sound chamber of loudspeaker 3.
Finally, second shell 2 is fastened in first shell 1, and the groove body in second shell 2 is clasped into loudspeaker 3, i.e.,
The assembling of achievable above-mentioned audio cavity structure；Wherein, loudspeaker 3, wiring board 4, the second side 51 of support plate 5, second shell 2 etc.
The rear sound chamber for connecting and composing loudspeaker 3 between component.
Further, in order to effectively improving the good seal performance of rear sound chamber；In the present embodiment, above-mentioned support plate 5
Second side 51 be equipped with around hollow channel setting first seal 21, first seal 21 is for realizing second side 51
With the sealing between loudspeaker 3；Further, the second side 51 of above-mentioned support plate 5, which is additionally provided with, is set in first seal 21
The second seal 23 in outside, second seal 23 is for realizing close between the second side 51 and wiring board 4 of support plate 5
Envelope.
In concrete operations, the second side 51 of above-mentioned support plate 5 sets that there are two loop wire sealing areas around hollow channel, i.e.,
First seal 21 and second seal 23；In the present embodiment, above-mentioned first seal 21, second seal 23 are that annular is close
Seal foam；By the setting of above-mentioned first seal 21 and second seal 23, loudspeaker 3 and support plate 5 can effectively ensure that
Second side 51 between sealing stability, and can effectively ensure that between the second side 51 of support plate 5 and wiring board 4
Sealing stability, and then can effectively ensure that the overall sealing performance of the rear sound chamber of loudspeaker 3.
Further, third sealing element 22 is equipped between above-mentioned wiring board 4 and the groove body of second shell 2；In the present embodiment,
Above-mentioned third sealing element 22 can also be ring packing foam.
In concrete operations, by the setting of above-mentioned third sealing element 22, the slot of wiring board 4 Yu second shell 2 can be realized
Sealing stability between body, the cavity that can be effectively ensured between the groove body of second shell 2, wiring board 4 are airtight cavity,
And then cooperate the setting of aforementioned first seal 21, second seal 23, it can be further ensured that the good of the rear sound chamber of loudspeaker 3
Good sealing performance, the unstable situation of 3 performance of loudspeaker caused by capable of effectively avoiding because of poor sealing occur.
Compared with the prior art, the above-mentioned technical proposal that the embodiment of the present invention one provides, can pass through the branch of optimal setting
The components such as fagging, wiring board can substitute the technical solution of integration BOX sound chamber in the prior art, can have more just
Prompt assembled relation, can be avoided the foam sealing structure form between integrated BOX and shell, can be effectively reduced sound chamber knot
The corresponding cost of manufacture of structure.
Embodiment two:
Embodiment two and the substantive difference of embodiment one are: being additionally provided with the first location structure；
As shown in connection with fig. 7, a kind of audio cavity structure provided in the embodiment of the present invention two, main structure and embodiment are a kind of
It seemingly, also include: shell and wiring board 4, the loudspeaker, support plate for being set in the housing portion；Shell includes first shell interconnected
Body 1, second shell, loudspeaker are installed in assist side 4；First shell 1 is equipped with the sound outlet hole through first shell 1, first shell
The ante-chamber channel being connected to sound outlet hole is equipped on the inside of body 1；The groove body for accommodating loudspeaker is equipped on the inside of second shell；Support plate
With hollow channel, the side of support plate is the first side connecting with the port outer in ante-chamber channel, the other side of support plate
For the second side of support speaker；Cavity between first side and ante-chamber channel constitutes the preceding sound chamber of loudspeaker, second side
Cavity between face, wiring board 4 and groove body constitutes the rear sound chamber of loudspeaker.
In concrete operations, above-mentioned wiring board 4, loudspeaker, support plate, first shell 1, the connection between second shell are closed
System, the contents such as assembly operation of the preceding sound chamber of loudspeaker, the seal form of rear sound chamber and audio cavity structure please refer to aforementioned reality
The record in example one is applied, the present embodiment two is intended to illustrate the specific setting of the first location structure.
In the present embodiment, the first location structure is equipped between above-mentioned wiring board 4 and first shell 1；It is fixed by above-mentioned first
The setting of bit architecture can effectively ensure that the accurate positioning installation operation between wiring board 4 and first shell 1, can effectively keep away
Poor sealing situation caused by exempting from because of installation error can effectively ensure that the overall sealing performance of the rear sound chamber of loudspeaker is good
It is good.
Above-mentioned first location structure may include mutually matched positioning column and positioning hole, and positioning column and positioning hole are set respectively
In on wiring board 4 and in first shell 1；That is, above-mentioned positioning column can be set on wiring board 4, the location hole with positioning column cooperation
It may be provided in first shell 1；Correspondingly, above-mentioned positioning column can be also to be arranged in first shell 1, with determining for positioning column cooperation
Position hole may be provided on wiring board 4；It should be noted that in order to which the stability of location and installation operation is effectively ensured, it is above-mentioned
First location structure includes the mutually matched positioning column and positioning hole of at least two groups.
In the present embodiment, above-mentioned positioning column is arranged in first shell 1, and location hole is arranged in assist side 4；First shell
In 1 process, the production of above-mentioned positioning column can be realized, specific positioning column and first shell 1 can be using integrated moldings
Structure；In the process of above-mentioned wiring board 4, the production of location hole can be realized by punching；It, can be by route in assembling process
Location hole on plate 4 is sleeved on the positioning column of first shell 1, can smoothly realize the positioning and guiding installation operation of wiring board 4,
The setting of above-mentioned first location structure can effectively ensure that the assembly operation convenience of wiring board 4, and corresponding assembling essence
Degree, can provide good basis for the sealing stability of the rear sound chamber of loudspeaker.
Embodiment three:
Embodiment three and the substantive difference of embodiment one are: being additionally provided with the second location structure；
A kind of audio cavity structure provided in the embodiment of the present invention three, main structure is similar with embodiment one, above-mentioned wiring board,
Loudspeaker, support plate, first shell, the connection relationship between second shell, the sealing shape of the preceding sound chamber of loudspeaker, rear sound chamber
The contents such as the assembly operation of formula and audio cavity structure, please refer to the record in previous embodiment one, and the present embodiment three is intended to illustrate
The specific setting of second location structure.
In the present embodiment, the second location structure is equipped between above-mentioned wiring board and loudspeaker；Pass through above-mentioned second positioning knot
The setting of structure can effectively ensure that the convenient assembly operation of loudspeaker and wiring board, and accurate installation operation；It can effectively keep away
Poor contact situation caused by exempting from because of installation error can effectively ensure that the global reliability of the rear sound chamber of loudspeaker.
Above-mentioned second location structure can use following structure type:
Second location structure is similar with the first location structure, including mutually matched positioning column and positioning hole, positioning column and
Location hole be respectively arranged on wiring board and loudspeaker on；That is, above-mentioned positioning column can be set on wiring board, with positioning column cooperation
Location hole is settable on a speaker；Correspondingly, above-mentioned positioning column can be also arranged on a speaker, with determining for positioning column cooperation
Position hole is settable in the circuit board；It should be noted that in order to be effectively ensured the stability of location and installation operation, above-mentioned the
Two location structures include the mutually matched positioning column and positioning hole of at least two groups.
Above-mentioned second location structure can also use following structure type:
Above-mentioned second location structure includes the multiple retention beads of setting in the circuit board, and above-mentioned retention bead is for limiting
The outer of loudspeaker bottom end；That is, the region between above-mentioned multiple retention beads constitutes the installation region of loudspeaker, by loudspeaker bottom
End is mounted on the region constituted between above-mentioned multiple retention beads, and multiple retention beads are clamped on the outer of loudspeaker bottom end
On, and then realize the location and installation operation of above-mentioned loudspeaker.
In the present embodiment, the second location structure uses above-mentioned second of structure type, that is, includes being arranged in the circuit board
Multiple retention beads, above-mentioned retention bead are used for the outer of limiting loudspeaker bottom end；Above-mentioned second location structure is provided only on line
On the plate of road, the process operation again to loudspeaker can be avoided, loudspeaker ontology is mounted directly to and is arranged in the circuit board
Between multiple retention beads, installation operation is convenient.
Further, in the present embodiment, above-mentioned retention bead is strip projected parts structure, and above-mentioned strip projected parts structure can
More confined planes are improved, the mounting stability of loudspeaker can be further increased.
Example IV:
The substantive difference of example IV and embodiment one is: example IV is a kind of mobile terminal, and it includes embodiments
One audio cavity structure.
In conjunction with shown in Fig. 8, Fig. 9, a kind of mobile terminal provided in the embodiment of the present invention four, including above-mentioned sound chamber knot
Structure further includes display screen 8；Wherein, display screen 8 is mounted on the outside of second shell 2；Wherein, the route in above-mentioned audio cavity structure
Plate 4, loudspeaker 3, support plate 5, first shell 1, the connection relationship between second shell 2, preceding sound chamber, the rear sound chamber of loudspeaker 3
Seal form and audio cavity structure the contents such as assembly operation, please refer to the record in previous embodiment one, the present embodiment four
It is intended to illustrate above-mentioned audio cavity structure in the application implementation of mobile terminal.
In the present embodiment, said first shell 1 can be rear shell, and second shell 2 can be front housing, and display screen 8 is accordingly set
It sets on the outside of front housing, above-mentioned display screen 8 is connect with the wiring board 4 for being located at enclosure interior, for showing image；Wherein, it is above-mentioned go out
The bottom end side of rear shell is arranged in sound hole, goes out sound structure to constitute corresponding side.
It should be noted that above-mentioned mobile terminal is mobile phone, plate etc., the purpose of the application can be achieved, herein not
It repeats again, in the protection scope that should belong to the application.In the present embodiment, above-mentioned mobile terminal is mobile phone, above-mentioned mobile terminal
It further include the necessary component that antenna etc. is used to constitute mobile phone, the connection relationship between the components such as above-mentioned antenna and wiring board 4 can adopt
With the mounting means that this field is common, specific details are not described herein again.
Compared with the prior art, the above-mentioned technical proposal that the embodiment of the present invention four provides, can pass through the branch of optimal setting
The components such as fagging 5, wiring board 4 can substitute the technical solution of integration BOX sound chamber in the prior art, can have more
Convenient and fast assembled relation can be effectively reduced the corresponding cost of manufacture of audio cavity structure, and then it is whole to can be effectively reduced mobile terminal
The cost of manufacture of body；Component composition in above-described embodiment is rationally, easy to spread and implement.
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.Through the above description of the embodiments,
Those skilled in the art can be understood that above-described embodiment method can add required general hardware platform by software
Mode realize, naturally it is also possible to by hardware, but in many cases, the former is more preferably embodiment.
The mobile terminal of each embodiment of the present invention is realized in description with reference to the drawings.In subsequent description, use
For indicate element such as " module ", " component " or " unit " suffix only for being conducive to explanation of the invention, itself
There is no specific meanings.Therefore, " module " can be used mixedly with " component ".
Mobile terminal can be implemented in a variety of manners.For example, terminal described in the present invention may include such as moving
Phone, smart phone, laptop, digit broadcasting receiver, PDA (personal digital assistant), PAD (tablet computer), PMP
The mobile terminal of (portable media player), navigation device etc. and such as number TV, desktop computer etc. are consolidated
Determine terminal.Hereinafter it is assumed that terminal is mobile terminal.However, it will be understood by those skilled in the art that in addition to being used in particular for moving
Except the element of purpose, the construction of embodiment according to the present invention can also apply to the terminal of fixed type.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
In the description of the present invention, term " installation ", " connected ", " connection ", " fixation " etc. shall be understood in a broad sense, example
Such as, " connection " may be fixed connection or may be dismantle connection, or integral connection；It can be directly connected, it can also be with
Indirectly connected through an intermediary.For the ordinary skill in the art, above-mentioned art can be understood as the case may be
The concrete meaning of language in the present invention.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the invention
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with
Suitable mode combines.
Although disclosed herein embodiment it is as above, the content only for ease of understanding the present invention and use
Embodiment is not intended to limit the invention.Technical staff in any fields of the present invention is taken off not departing from the present invention
Under the premise of the spirit and scope of dew, any modification and variation, but the present invention can be carried out in the form and details of implementation
Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.
Claims (10)
1. a kind of audio cavity structure characterized by comprising shell and the wiring board, loudspeaker, support plate for being set in the housing portion；
Wherein,
The shell includes first shell interconnected, second shell, and the first shell is equipped with going out through first shell
Sound hole, the first shell inside are equipped with the ante-chamber channel being connected to sound outlet hole；It is equipped on the inside of the second shell for accommodating
The groove body of loudspeaker；
The support plate has hollow channel, and the side of the support plate is the first side connecting with the port outer in ante-chamber channel
Face, the other side of the support plate are the second side of support speaker；The loudspeaker is installed in the circuit board, and described first
Cavity between side and the ante-chamber channel constitutes the preceding sound chamber of loudspeaker, the second side, wiring board and the groove body
Between cavity constitute loudspeaker rear sound chamber；The first side of the support plate is Nian Jie with the port outer in ante-chamber channel to be connected
It connects.
2. audio cavity structure according to claim 1, which is characterized in that
The support plate is stainless steel substrates.
3. audio cavity structure according to claim 2, which is characterized in that
The second side of the support plate is equipped with the first seal around hollow channel setting, and the first seal is for real
Sealing between existing second side and loudspeaker.
4. audio cavity structure according to claim 3, which is characterized in that
The second side of the support plate is equipped with the second seal being set on the outside of first seal, and the second seal is used
Sealing between realization second side and wiring board.
5. audio cavity structure according to claim 4, which is characterized in that
Third sealing element is equipped between the wiring board and the groove body of the second shell.
6. audio cavity structure according to claim 2, which is characterized in that
The first location structure is equipped between the wiring board and the first shell.
7. audio cavity structure according to claim 6, which is characterized in that
The positioning mechanism includes mutually matched positioning column and positioning hole, and the positioning column and positioning hole are respectively arranged on the line
On the plate of road and in first shell.
8. audio cavity structure according to claim 2, which is characterized in that
The second location structure is equipped between the wiring board and the loudspeaker.
9. audio cavity structure according to claim 4, which is characterized in that
The first seal, second seal, third sealing element are ring packing foam.
10. a kind of mobile terminal, which is characterized in that including audio cavity structure described in any one of claims 1 to 9, further include
Display screen；Wherein,
The display screen is mounted on the outside of the second shell.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107948889B (en) * | 2017-11-28 | 2020-09-18 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
| CN107820179A (en) * | 2017-11-28 | 2018-03-20 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN108551635B (en) * | 2018-05-28 | 2020-08-25 | 歌尔股份有限公司 | Micro speaker module |
| CN111124039A (en) * | 2018-11-01 | 2020-05-08 | 北京小米移动软件有限公司 | Terminal device |
| CN110933574B (en) * | 2019-11-30 | 2021-06-15 | 捷开通讯(深圳)有限公司 | Loudspeaker |
| CN112040041A (en) * | 2020-06-23 | 2020-12-04 | 无锡闻泰信息技术有限公司 | Supporting structure and mobile terminal of earphone |
| CN112261187B (en) * | 2020-10-23 | 2022-04-12 | 维沃移动通信有限公司 | Electronic device |
| CN112788166B (en) * | 2021-01-06 | 2022-12-27 | Oppo广东移动通信有限公司 | Electronic device |
| CN113099003B (en) * | 2021-04-06 | 2023-03-31 | 维沃移动通信有限公司 | Electronic device |
| CN113960807A (en) * | 2021-11-04 | 2022-01-21 | 惠州Tcl移动通信有限公司 | Intelligent glasses and glasses leg assembly thereof |
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