CN109246260A - Mobile terminal and its housing unit - Google Patents
Mobile terminal and its housing unit Download PDFInfo
- Publication number
- CN109246260A CN109246260A CN201811058354.6A CN201811058354A CN109246260A CN 109246260 A CN109246260 A CN 109246260A CN 201811058354 A CN201811058354 A CN 201811058354A CN 109246260 A CN109246260 A CN 109246260A
- Authority
- CN
- China
- Prior art keywords
- sound
- housing unit
- center
- annular boss
- plate body
- 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.)
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Classifications
-
- 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
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Telephone Set Structure (AREA)
Abstract
This application provides a kind of mobile terminal and its housing unit, which includes center and sound chamber lid plate;Center includes mainboard body and side plate body;Mainboard body includes the first surface being disposed opposite to each other, second surface and several sides for connecting first surface and second surface, first surface is equipped with annular boss, annular boss, which encloses, to be set to form sound alveolus, and sound chamber lid plate is abutted with the top surface of annular boss to enclose jointly with center and set the sound chamber to form loudspeaker;At least one side of the top surface mainboard body of annular boss connects, angle between the side and the top surface of annular boss is obtuse angle, the side is equipped with dovetail groove, and side plate body is equipped with dovetail shaped lug boss, and the connection of mainboard body and side plate body is realized in lug boss and dovetail groove cooperation.The structure of the housing unit, it is ensured that mainboard body annular boss top surface it is smooth, so that center is abutted the sound chamber to form good seal with sound chamber lid plate, and then guarantee the sound effect for being located at the intracavitary mobile terminal loudspeaker of the sound.
Description
Technical field
The present invention relates to the technical field of mobile terminal device structure, it is specifically related to a kind of mobile terminal and its shell group
Part.
Background technique
The center of mobile terminal device is all much by metal plate and plastic cement frame integrated injection molding (because of unitary metallic
The material cost of structure center is high, and CNC difficulty of processing is big, complex procedures, and product yield is lower), metal plate and plastic cement frame
Injection molding link position be often that center and other component (for example middle frame support or rear shell etc.) form mobile terminal loudspeaker
The sealing station of sound chamber.
It is well known that segment difference generally can all occur during integrated injection molding, at link position, (segment difference refers to two pieces of molds
The die joints such as mold insert or front and back mould position is because machining accuracy deviation leads to matched deviation, usually before mold processing, mold
Manufacturer can in detail and product designer negotiate generate deviation should which side be higher by, if when the product to form out and negotiation
Be unanimously favorable balance, otherwise for unfavourable balance).
If the link position of injection molding is located at sealing surface, either favorable balance or unfavourable balance can all cause the injustice of sealing surface
Whole, the sealing surface of out-of-flatness will seriously affect being sealed with for sound chamber, will cause loudspeaker leakage sound if sound chamber poor sealing
And the problems such as audio-frequency harmonic distortion, user is seriously affected to the usage experience of mobile terminal device.
Summary of the invention
On the one hand the embodiment of the present application provides a kind of housing unit, the housing unit includes center and sound chamber lid
Plate;The center includes mainboard body and side plate body;The mainboard body include the first surface being disposed opposite to each other, second surface and
Several sides of the first surface and the second surface are connected, the first surface is equipped with annular boss, the ring-type
Boss, which encloses, to be set to form sound alveolus, and the sound chamber lid plate is abutted with the top surface of the annular boss to enclose jointly with the center and set shape
At the sound chamber of loudspeaker;At least one side of mainboard body described in the top surface of the annular boss connects, the side and the ring-type
Angle between the top surface of boss is obtuse angle, which is equipped with dovetail groove, and the side plate body is equipped with dovetail shaped lug boss, institute
It states lug boss and the connection of the mainboard body and the side plate body is realized in dovetail groove cooperation.
On the other hand the embodiment of the present application also provides a kind of mobile terminal, the mobile terminal includes loudspeaker and above-mentioned
Housing unit described in any one of embodiment, the loudspeaker is set to the sound chamber lid plate and the center encloses the sound for setting and being formed
It is intracavitary.
Mobile terminal and its housing unit provided by the embodiments of the present application, by the way that the mainboard body of center and side plate body to be molded
The position of connection is arranged on the side incline position of mainboard body, guarantees the smooth of mainboard body annular boss top surface, makes mainboard body
Annular boss can abut the sound chamber to form good seal with sound chamber lid plate, and then guarantee that being located at the intracavitary mobile terminal of the sound raises
The sound effect of sound device, high degree improve user to the usage experience of mobile terminal device.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is partial structural diagram of the application for one embodiment of housing unit of mobile terminal;
Fig. 2 is the fractionation structural representation of housing unit in Fig. 1 embodiment;
Fig. 3 is the structural schematic diagram of center in figure embodiment;
Fig. 4 is the fractionation schematic diagram of center in Fig. 3;
Fig. 5 is the partial enlargement diagram in Fig. 4 at location A;
Fig. 6 is partial structural diagram of the application for another embodiment of housing unit of mobile terminal;
Fig. 7 is the fractionation structural representation of housing unit in Fig. 6 embodiment;
Fig. 8 is the structural schematic diagram of rear shell in Fig. 6 embodiment;
Fig. 9 is the overall structure schematic elevation view of one embodiment of the application mobile terminal.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention is described in further detail.It is emphasized that following implement
Example is merely to illustrate the present invention, but is not defined to the scope of the present invention.Likewise, following embodiment is only portion of the invention
Point embodiment and not all embodiments, institute obtained by those of ordinary skill in the art without making creative efforts
There are other embodiments, shall fall within the protection scope of the present invention.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
Containing at least one embodiment of the present invention.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Include, but are not limited to be configured to via wired as " communication terminal " as used herein (or being referred to as " terminal ")
Connection (such as connects via Public Switched Telephone Network (PSTN), digital subscriber line (DSL), digital cable, direct cable
Connect and/or another data connection/network) and/or via (for example, for cellular network, WLAN (WLAN), such as
The digital TV network of DVB-H network, satellite network, AM-FM broadcasting transmitter and/or another communication terminal) wirelessly connect
Mouth reception/transmission signal of communication device.It is configured to that " channel radio can be referred to as by the communication terminal of radio interface communication
Letter terminal ", " wireless terminal " or " mobile terminal ".The example of mobile terminal includes, but are not limited to satellite or cellular phone;It can be with
PCS Personal Communications System (PCS) terminal of combination cellular radio telephone and data processing, fax and communication ability;It can be with
Including radio telephone, pager, the Internet/intranet access, Web browser, memo pad, calendar and/or global location
The PDA of system (GPS) receiver;And conventional laptop and/or palmtop receiver or including radiotelephone transceiver
Other electronic devices.Mobile phone is the mobile terminal for being configured with cellular communication module.
It is part knot of the application for one embodiment of housing unit of mobile terminal also referring to Fig. 1 and Fig. 2, Fig. 1
Structure schematic diagram, Fig. 2 are the fractionation structural representations of housing unit in Fig. 1 embodiment;It should be noted that the movement in the application
Terminal may include the electronic equipments such as mobile phone, tablet computer, laptop, wearable device.This in the present embodiment is used to move
The housing unit 10 of dynamic terminal includes center 100 and sound chamber lid plate 200.Term " includes " in the present invention is intended to cover
Non-exclusive includes.
Specifically, Fig. 3 is the structural schematic diagram of center in figure embodiment also referring to Fig. 3 and Fig. 4, Fig. 4 is Fig. 3
The fractionation schematic diagram of center, the center 100 include mainboard body 110 and side plate body 120;Side plate body 120 is set to mainboard body 110
Lateral location.Wherein, the mainboard body 110 include be disposed opposite to each other first surface 111, second surface (not indicated in figure) with
And several sides 112 of the connection first surface 111 and the second surface.
Optionally, first surface 111 is equipped with annular boss 1111, and the annular boss 1111, which encloses, to be set to form sound alveolus
101, the sound chamber lid plate 200 is abutted with the top surface of the annular boss 1111 to enclose to set to be formed jointly with the center 100 and raise
The sound chamber of sound device;At least one side of mainboard body 110 described in the top surface of the annular boss 1111 connects, in the present embodiment,
The one side 112 of mainboard body 110 described in the top surface of annular boss 1111 connects, and in other embodiments, annular boss 1111
Top surface can be connect with multiple sides, about this structure within the scope of the understanding of those skilled in the art, herein no longer into
Row is described in detail.In description of the invention, the meaning of " plurality " is at least two, such as two, three etc., unless otherwise clearly specific
Restriction.
Referring to Fig. 5, Fig. 5 is the partial enlargement diagram in Fig. 4 at location A, the side 112 and the annular boss
Angle between 1111 top surface 1110 is obtuse angle, which is equipped with dovetail groove 1121, wherein the number of dovetail groove 1121
Amount can be one or more;The side plate body 120 is equipped with dovetail shaped lug boss 121, the lug boss 121 and the swallow
The quantity of stern notch 1121 and position are correspondingly arranged, to cooperate the connection for realizing the mainboard body 110 and the side plate body 120.
Wherein, dovetail shaped lug boss 121 is entrenched in dovetail groove 1121, and guarantees dovetail shaped lug boss 121 without departing from annular boss
1111 top surface 1110, so can interference to avoid dovetail shaped lug boss 121 to the top surface 1110 of annular boss 1111, to protect
Demonstrate,prove the planarization of the top surface 1110 of annular boss 1111.The directional instruction of institute in the embodiment of the present invention (such as upper and lower, left,
It is right, forward and backward ...) be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
Optionally, the mainboard body 110 of center 100 and side plate body 120 can be to pass through integrated injection molding;The mainboard body
110 material can be alloy, for example aluminium alloy, magnesium alloy, titanium alloy etc.;And the material of the side plate body 120 then can be
Plastic cement, for example PC, PVC, TPU etc..About the material of mainboard body 110 and side plate body 120, in the understanding model of those skilled in the art
In enclosing, it will not enumerate herein.
Please continue to refer to Fig. 2, which includes the middle plate 210 and support protrusion 220 of integral structure, described
Support protrusion 220 abuts setting with the top surface 1110 of the annular boss 1111, and the middle plate 210 is covered on the center 100
Sound alveolus 101.Wherein, the material of sound chamber lid plate 200 can be plastic cement or alloy, the material with some strength and toughness
Expect, for example PC, aluminium alloy, magnesium alloy, PVC, TPU etc..
Optionally, it is folded with seal washer 300 between support protrusion 220 and the top surface 1110 of the annular boss 1111,
Seal washer 300 is located between support protrusion 220 and the top surface 1110 of the annular boss 1111, is used to form support protrusion
Sealing between 220 and the top surface 1110 of the annular boss 1111 carries out the sound chamber to form sealing.
Please continue to refer to Fig. 2 and Fig. 4, the support protrusion 220 of the sound chamber lid plate 200 is equipped with the first sound outlet channel 221, described to have
The bottom of first sound outlet channel 221 is equipped with location fin 222, and the location fin 222 and the mainboard body 110 of the center 100 are set
There is the cooperation positioning of side 112 of dovetail groove.The side plate body 120 of the center 100 is equipped with the second sound outlet channel 122, and described second goes out
Sound slot 122 and 221 face of the first sound outlet channel are arranged, to form sound channel.It should be noted that the term in the present invention
" first ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicit finger
The quantity of bright indicated technical characteristic.Define as a result, " first ", " second ", " third " feature can express or hidden
It include at least one this feature containing ground.
Optionally, the of the first sound outlet channel 221 with the side plate body 120 of the support protrusion 220 of the sound chamber lid plate 200
Be additionally provided with Air Filter 400 between two sound outlet channels 122, Air Filter 400 be used to support the first sound outlet channel 221 of protrusion 220 with it is described
Dust-proof effect between second sound outlet channel 122 of side plate body 120.
Further, please continue to refer to Fig. 4 and Fig. 5, the side of the mainboard body 110 is additionally provided with connected unit 114, the connection
Platform 114 is connect with the side 112 that the mainboard body 110 is equipped with dovetail groove 1121, and the dovetail groove 1121 runs through the connected unit
114 and the side 112, the effect of the connected unit 114 is that there are one to 121 tail portion of dovetail shaped lug boss of side plate body 120
Fixed thick bottom position, prevents 121 tail portion of dovetail shaped lug boss to be broken due to narrow (thin), so make side plate body 120 with
Be not connected firmly between mainboard body 110 by the case where generation.
Housing unit provided in this embodiment, by the way that the position setting of the mainboard body of center and the injection molding connection of side plate body exists
On the side incline position of mainboard body, guarantees the smooth of mainboard body annular boss top surface, allow mainboard body annular boss and sound
Chamber lid plate abuts the sound chamber to form good seal, and then guarantees the sound effect for being located at the intracavitary mobile terminal loudspeaker of the sound.
Fig. 6 together and Fig. 7 is please referred to, Fig. 6 is part of the application for another embodiment of housing unit of mobile terminal
Structural schematic diagram, Fig. 7 are the fractionation structural representations of housing unit in Fig. 6 embodiment.Housing unit 10 in the present embodiment wraps
Include center 100, sound chamber lid plate 200 and rear shell 500.Detail technical features about center 100 and sound chamber lid plate 200 please join
See the associated description of previous embodiment, the present embodiment describes in detail just for the structure different from previous embodiment.
Wherein, the rear shell 500 in the present embodiment includes the cover board 510 and bending plate 520 of integral structure, the cover plate lid
510 are set to the sound chamber lid plate 200, the middle plate 210 of the sound chamber lid plate 200 be set to the cover board 510 and the center 100 it
Between;The bending plate 520 surrounds the support protrusion far from the sound chamber lid plate 200 for the side plate body 120 for being set to the center 100
220 side, the bending plate 520 are equipped with multiple sound outlet holes 521 of corresponding 120 second sound outlet channel 122 of side plate body.
It is the structural schematic diagram of rear shell in Fig. 6 embodiment also referring to Fig. 8, Fig. 8, the bending plate 520 of rear shell 500 is close
The side of the center side plate body 120 is equipped with positioning table 522, and the multiple sound outlet hole 521 is arranged through the positioning table 522,
The positioning table 522 is inserted into second sound outlet channel 122, realizes the multiple sound outlet hole 521 and second sound outlet channel 122
Positioning connection.By the way that the structure of positioning table 522 is arranged in bending plate 520, on the one hand rear shell can be realized by the positioning table
500 with the positioning of center 100, it is accurate on the other hand can to guarantee to align between sound outlet hole 521 and second sound outlet channel 122.
Further, please continue to refer to Fig. 8, the multiple sound outlet hole 521 is stepped hole, and the stepped hole is close to institute
The aperture for stating 120 side of side plate body is greater than the aperture far from 120 side of side plate body, 521 1 side of sound outlet hole of this kind of structure
Face can form poly- sound structure, make sound is as much as possible to be passed to sound outlet hole 521;Another aspect sound outlet hole 521 connects with outside
Logical one end has lesser aperture, can play certain dust-proof effect, avoids aperture is excessive sundries is caused to be easier to enter
Into sound outlet hole 521, sound outlet hole 521 is caused to block.
Housing unit provided in this embodiment, by the way that the position setting of the mainboard body of center and the injection molding connection of side plate body exists
On the side incline position of mainboard body, guarantees the smooth of mainboard body annular boss top surface, allow mainboard body annular boss and sound
Chamber lid plate abuts the sound chamber to form good seal, and then guarantees the sound effect for being located at the intracavitary mobile terminal loudspeaker of the sound,
High degree improves user to the usage experience of mobile terminal device;In addition, shell can be improved by setting back cover structure
The integral strength of body component forms and aligns accurate sound channel.
Referring to Fig. 9, Fig. 9 is the overall structure schematic elevation view of one embodiment of the application mobile terminal, in the present embodiment
Mobile terminal may include the electronic equipments such as mobile phone, tablet computer, laptop, wearable device.The present embodiment only with
It is illustrated for mobile phone.The mobile terminal may include loudspeaker (not shown), display screen 20 and housing unit 10,
In, it is intracavitary that the sound chamber lid plate 200 that the loudspeaker is set to the housing unit 10 encloses the sound for setting and being formed with the center 100.It closes
The associated description of previous embodiment is please referred in the detailed construction feature of housing unit 10, and mobile terminal other parts structure
Detailed features are within the scope of the understanding of those skilled in the art, and details are not described herein again.
Mobile terminal provided in this embodiment, housing unit is by being molded connection for the mainboard body of center and side plate body
Position is arranged on the side incline position of mainboard body, guarantees the smooth of mainboard body annular boss top surface, keeps mainboard body ring-type convex
Platform can abut the sound chamber to form good seal with sound chamber lid plate, and then guarantee to be located at the intracavitary mobile terminal loudspeaker of the sound
Sound effect, high degree improve user to the usage experience of mobile terminal device.
The foregoing is merely section Examples of the invention, are not intended to limit protection scope of the present invention, all utilizations
Equivalent device made by description of the invention and accompanying drawing content or equivalent process transformation are applied directly or indirectly in other correlations
Technical field, be included within the scope of the present invention.
Claims (11)
1. a kind of housing unit, which is characterized in that the housing unit includes center and sound chamber lid plate;The center includes master
Plate body and side plate body;The mainboard body includes the first surface being disposed opposite to each other, second surface and the connection first surface
With several sides of the second surface, the first surface is equipped with annular boss, and the annular boss, which encloses, to be set to form sound chamber
Area, the sound chamber lid plate are abutted with the top surface of the annular boss to enclose jointly with the center and set the sound chamber to form loudspeaker;
At least one side of mainboard body described in the top surface of the annular boss connects, between the side and the top surface of the annular boss
Angle is obtuse angle, which is equipped with dovetail groove, and the side plate body is equipped with dovetail shaped lug boss, the lug boss and the swallow
The connection of the mainboard body and the side plate body is realized in stern notch cooperation.
2. housing unit according to claim 1, which is characterized in that the mainboard body and side plate body of the center pass through one
Injection molding;The material of the mainboard body is alloy, and the material of the side plate body is plastic cement.
3. housing unit according to claim 1, which is characterized in that the sound chamber lid plate include the middle plate of integral structure with
And support protrusion, the support protrusion abut setting with the top surface of the annular boss, the middle plate is covered on the center
Sound alveolus.
4. housing unit according to claim 3, which is characterized in that the top surface of the support protrusion and the annular boss
Between be folded with seal washer.
5. housing unit according to claim 4, which is characterized in that the support protrusion of the sound chamber lid plate is equipped with first and goes out
Sound slot, the bottom for having the first sound outlet channel are equipped with location fin, and the location fin and the mainboard body of the center are equipped with swallow
The side of stern notch cooperates positioning;The side plate body of the center is equipped with the second sound outlet channel, and second sound outlet channel goes out with described first
The setting of sound slot face.
6. housing unit according to claim 5, which is characterized in that the first sound outlet channel of the support protrusion and the side
Air Filter is equipped between second sound outlet channel of plate body.
7. housing unit according to claim 1, which is characterized in that the side of the mainboard body is additionally provided with connected unit, institute
It states connected unit and is connect with the side that the mainboard body is equipped with dovetail groove, the dovetail groove runs through the connected unit and the side
Face.
8. housing unit according to claim 6, which is characterized in that the housing unit further includes rear shell, the rear shell
Cover board and bending plate including integral structure, the cover plate lid are set to the sound chamber lid plate, and the middle plate of the sound chamber lid plate is set
Between the cover board and the center;The bending plate surrounds the separate sound chamber lid plate for being set to the center side plate body
The side of support protrusion, the bending plate are equipped with multiple sound outlet holes of corresponding second sound outlet channel of side plate body.
9. housing unit according to claim 8, which is characterized in that the bending plate close to the center side plate body one
Side is equipped with positioning table, and the multiple sound outlet hole is arranged through the positioning table, and the positioning table is inserted into second sound outlet channel,
Realize that the multiple sound outlet hole and the positioning of second sound outlet channel are connected to.
10. housing unit according to claim 9, which is characterized in that the multiple sound outlet hole is stepped hole, and described
Stepped hole is greater than the aperture far from side plate body side close to the aperture of side plate body side.
11. a kind of mobile terminal, which is characterized in that the mobile terminal includes any one of loudspeaker and claim 1-10 institute
The housing unit stated, the loudspeaker is set to the sound chamber lid plate, and that the sound for setting and being formed is enclosed with the center is intracavitary.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811058354.6A CN109246260B (en) | 2018-09-11 | 2018-09-11 | Mobile terminal and shell assembly thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811058354.6A CN109246260B (en) | 2018-09-11 | 2018-09-11 | Mobile terminal and shell assembly thereof |
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CN109246260A true CN109246260A (en) | 2019-01-18 |
CN109246260B CN109246260B (en) | 2020-07-03 |
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CN201811058354.6A Active CN109246260B (en) | 2018-09-11 | 2018-09-11 | Mobile terminal and shell assembly thereof |
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CN110166909A (en) * | 2019-05-23 | 2019-08-23 | 潍坊歌尔电子有限公司 | A kind of welding bell group and smartwatch |
CN111654778A (en) * | 2020-05-22 | 2020-09-11 | Oppo广东移动通信有限公司 | Electronic device, case assembly, and method of assembling electronic device |
CN112040042A (en) * | 2020-09-29 | 2020-12-04 | 华勤技术有限公司 | Mobile terminal sealing structure and mobile terminal |
CN112822879A (en) * | 2019-11-15 | 2021-05-18 | 荣耀终端有限公司 | Electronic device |
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CN112040042A (en) * | 2020-09-29 | 2020-12-04 | 华勤技术有限公司 | Mobile terminal sealing structure and mobile terminal |
CN112040042B (en) * | 2020-09-29 | 2022-02-25 | 华勤技术股份有限公司 | Mobile terminal sealing structure and mobile terminal |
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