CN108232702A - A kind of dust protected handset earphone mouth structure - Google Patents
A kind of dust protected handset earphone mouth structure Download PDFInfo
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- CN108232702A CN108232702A CN201711497877.6A CN201711497877A CN108232702A CN 108232702 A CN108232702 A CN 108232702A CN 201711497877 A CN201711497877 A CN 201711497877A CN 108232702 A CN108232702 A CN 108232702A
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- Prior art keywords
- earpiece holes
- contact
- matrix
- mobile phone
- opened
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- 239000000428 dust Substances 0.000 title claims abstract description 33
- 239000011159 matrix material Substances 0.000 claims abstract description 52
- 230000011664 signaling Effects 0.000 claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 238000005452 bending Methods 0.000 claims description 10
- 235000014676 Phragmites communis Nutrition 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 11
- 239000000284 extract Substances 0.000 description 4
- 238000000605 extraction Methods 0.000 description 3
- 239000007799 cork Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5213—Covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/16—Connectors or connections adapted for particular applications for telephony
Landscapes
- Telephone Set Structure (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
Dust protected mobile phone earphone interface provided by the invention includes matrix (301), earpiece holes (302), the first signalling contact (303), second signal contact (304), third signalling contact (305), fourth signal contact (306), detection contact (307), can be opened and closed dustproof cover (308) and elastomeric element (309).Elastomeric element (309) pushes that can be opened and closed dustproof cover (308) in the close position and close earpiece holes (302) in its natural state；When headset plug is inserted into earpiece holes (302), pushes the elastic force for overcoming elastomeric element (309) and open earpiece holes (302).The present invention is efficiently modified the internal structure of mobile phone earpiece holes, so as to by external earphone stopple or flexible soft strip, can no longer avoid dust when being not connected to earphone automatically to outer closure earpiece holes and enter and deposit.Moreover, user only carry out it is simplest plug and unplug action, do not need to additional operation, can simplify using process, save the time and improve application experience.
Description
Technical field
This application involves cellphone body structure, more particularly, to a kind of dust protected handset earphone mouth structure.
Background technology
Earphone hole is for the matched audio connectivity port of headset plug, the indispensability for belonging to cellphone body to be configured.In order to
The lightening trend of mobile phone and the actual needs of Batch assemblage production are adapted to, as shown in Figure 1, existing earphone hole uses modularization
Structure, including matrix 1, earpiece holes 2 and several signalling contacts 3,4,5,6 and detection contact 7.Before cylindrical earpiece holes 2
Afterwards through described matrix 1, for spatially accommodating the headset plug 8 of earphone.Signalling contact 3-6 is in contact with headset plug 8
To conduct electric signal, and signalling contact 3-6 is drawn to the outside of matrix 1, to be connect with circuit board of mobile phone.Current hand
The headset plug 8 of the widely used four-part form of machine, correspondingly, signalling contact 3,4,5,6 are located at the inner wall of earpiece holes 2, respectively with ear
Four sections of machine transplanting of rice head 8 are in contact, and pass through the extraction of the fluting on matrix 1.Signalling contact 3,4,5,6 is respectively used to L channel company
It connects, right channel connection, Mike connects and ground connection.Detection contact 7 is located at the end of matrix 1, with being inserted through the earphone of earpiece holes 2
One sections in first 8 in front end are in contact, and realize to whether being inserted into the detection of earphone；By the detection, mobile phone can be sentenced
Whether disconnected earphone is inserted into, so as to determine to realize that audio output and decision are using boombox or using the earphone
The acquisition of microphone realization audio input is still attached to using earphone using built-in microphone.
For existing earphone hole, in the case where being not inserted into headset plug, earpiece holes are in open state so that tiny
Dust easily enters and deposits wherein.If the gray tip inside earpiece holes is excessive, its signalling contact and headset plug can be interfered
Electrical contact, adverse effect is brought to the transmission and broadcasting of audio signal.
Structure currently used for earpiece holes proofing dust and protecting mainly has following two.It is a kind of using earpiece holes as shown in Figure 2
Plug 10, the earphone stopple have plug 11 and are fixed on the end cap 12 of 11 end of plug, and plug 11 is made of metal material,
End cap 12 can also be integrally formed using metal material with the plug 11 or end cap 12 can use the materials systems such as plastics or rubber
Make.When not needing to connection earphone, which is inserted into the earpiece holes of mobile phone to block earpiece holes, dust etc. is avoided to invade
Enter.End cap 12 is exposed on the external, so that user can pinch the end cap 12 with finger and extract earphone stopple from earpiece holes.End
Cap 12 can also be made as decorating shape with cartoon shape etc. or be connected with the utility members such as key ring.Such dust-proof knot
The shortcomings that structure, includes：Exposed end cap is protruded from except cellphone body, easily makes earphone when by unexpected external force when carrying
Stopple is deviate from；When using earphone, the earphone stopple is pulled out and is detached from mobile phone, it is therefore desirable to individually store it, due to its body
Product, weight are small, it is easy to be ignored and be lost by user.
Another dustproof construction connects as shown in figure 3, being fixed with the end of flexible soft strip 20 that the materials such as silica gel make
It is connected on the corresponding end-faces of phone housing, the inner surface of flexible soft strip 20 has cork 21, which can be stuffed into outside mobile phone
In groove 22 on shell end face.Flexible soft strip 20 is made to be fitted on the end face of phone housing and by cork when without using earphone
21 fill in groove 22, so as to close earpiece holes on the end face etc. with flexible soft strip 20, prevent dust from entering.And working as needs to connect
During earphone, flexible soft strip 20 can be started as shown in Figure 2, expose following earpiece holes 23.The shortcomings that such dustproof construction, includes：
It is deteriorated with the flexibility of Reusability flexible soft strip, produces fracture or loosen；The dynamic of tiny flexible soft strip is started with finger
It is not easily done very much.
Moreover, both the above structure is the shortcomings that common：Which increase the cumbersome degree for using earpiece holes.For
It for earpiece holes without dust reduction capability, only needs headset plug being inserted into earpiece holes when connecting earphone, when disconnection also only needs
Headset plug is extracted into earpiece holes, i.e., only needs simplest plug operation that can realize originally.But work as in more than structure
In it may first have to it extracts earphone stopple or tries to open flexible soft strip, expose earpiece holes, then could be inserted into headset plug；
After earphone is disconnected, also it is yet further desirable to earphone stopple or flexible soft strip closing earpiece holes.As it can be seen that above structure increases
Using operating procedure necessary to earpiece holes, to user inconvenience is brought.
Invention content
For the above-mentioned condition and defect of the prior art, the present invention provides a kind of dust protected handset earphone mouth structures.This
Invention is efficiently modified the internal structure of mobile phone earpiece holes, so as to soft no longer by external earphone stopple or flexibility
Item can avoid dust and enter and deposit when being not connected to earphone automatically to outer closure earpiece holes.Moreover, user only holds
Row is simplest to plug and unplug action, does not need to additional operation, can simplify using process, save the time and improve application and experience.
Dust protected mobile phone earphone interface provided by the present invention, which is characterized in that including：Matrix (301), earpiece holes (302),
First signalling contact (303), second signal contact (304), third signalling contact (305), fourth signal contact (306), detection
Contact (307) can be opened and closed dustproof cover (308) and elastomeric element (309)；Wherein, described matrix (301) is including having opening
(310) first end face and the second end face of closing, the opening of earpiece holes (302) from the first end face extends internally
To the second end face of closing, a blind hole is formed；First signalling contact (303), second signal contact (304), third signal
Contact (305) and fourth signal contact (306) are set to the inner wall of the earpiece holes (302) to contact headset plug, and
It draws to connect circuit board of mobile phone by the fluting on matrix (301) the first side wall；Detection contact (307) is set to institute
The inner wall of earpiece holes (302) is stated, and the fluting (311) in the second sidewall other than the first side wall for passing through matrix (301) draws
Go out to connect circuit board of mobile phone；The elastomeric element (309) is fixed in described matrix (301) and can be opened and closed described in connecting anti-
Dirt lid (308)；The elastomeric element (309) push in its natural state described in can be opened and closed dustproof cover (308) in the close position
And close the earpiece holes (302)；Dustproof cover (308), institute can be opened and closed described in being contacted when headset plug is inserted into earpiece holes (302)
Dustproof cover (308) can be opened and closed by, which stating, overcomes the elastic force of the elastomeric element (309) under the promotion of headset plug and is moved to opening
Position, so as to which headset plug be made to may be inserted into the earpiece holes (302).
Preferably, the elastomeric element (309) is fixed on the second end of described matrix (301) for adjustable spring and one end
On the inner wall in face, the dustproof cover (308) that is opened and closed is equal to the disk cover in earpiece holes (302) aperture for diameter, and be connected to institute
State the other end of elastomeric element (309)；In its natural state dustproof cover can be opened and closed described in elastomeric element (309) promotion
(308) positioned at the opening of the first end face so as to close earpiece holes (302)；When headset plug is inserted into earpiece holes (302),
The dustproof cover (308) that is opened and closed overcomes the elastic force of the elastomeric element (309) and along earpiece holes under the promotion of headset plug
(302) slid inward is to open position, so as to which headset plug be made to may be inserted into the earpiece holes (302).It may further be preferable that
The lateral edges of the disk cover have rounded corner.It may further be preferable that the first side wall and second sidewall are matrix (301)
Opposite side wall, and opened respectively along earpiece holes (302) extending direction on the opposite third side wall of matrix (301), the 4th side wall
There is guide groove (312), the disk cover has the flange (313) to match with the guide groove, to make the disk cover in guide groove
Guiding under along earpiece holes (302) slide.
Preferably, the elastomeric element includes the first elastic spring (309a) and the second elastic spring (309b), and institute
It states the first elastic spring (309a) and the second elastic spring (309b) is separately fixed at the described of described matrix (301) first end face
It is open on two opposite inner walls of (310), two opposite inner wall spacing of the opening are more than the earpiece holes (302)
Diameter, the dustproof cover (308) that is opened and closed is the first semicircle dish type slip lid (308a) and the second semicircle slip lid (308b), and the
Half disc slip lid is connected to first elastic spring, and the second semicircle dish type slip lid is relatively connected to second elasticity
Reed；First elastic spring and the second elastic spring relatively push the first semicircle dish type slip lid in its natural state
With the second semicircle slip lid, the two is made mutually to be closed, so as to close earpiece holes (302)；When headset plug is inserted into earpiece holes (302)
When, the first semicircle dish type slip lid and the second semicircle slip lid overcome under the promotion of headset plug respectively by elastic force and to
Opposite direction slides into open position, so as to which headset plug be made to may be inserted into the earpiece holes (302).It may further be preferable that
The outer surface of first elastic spring and the second elastic spring has chamfer bevel.It may further be preferable that first side
Wall and second sidewall are the opposite side wall of matrix (301), and two opposite inner walls of the opening are arranged on matrix (301) phase
To third side wall, on the 4th side wall.
Preferably, detection contact (307) has bending extension (313) in the outside of matrix (301), described curved
Folding extension is bent at the fluting in the second sidewall and extends to the first side wall.
Preferably, detection contact (307) has bending extension in the outside of matrix (301), and the bending is prolonged
Extending portion is bent at the fluting in the second sidewall and extends to the second end face.
Preferably, first signalling contact (303), second signal contact (304), third signalling contact (305) and
Fourth signal contact (306) is respectively used to contact each section of four-section type headset plug, and detection contact (307) is for contacting
One section of four-section type headset plug front end.
As it can be seen that the present invention by can elasticity open and closing component, realize extract headset plug when automatically to covering
Earpiece holes are closed, gray tip is avoided and enters and be deposited in earpiece holes.And when needing using earphone hole, user also only needs
Headset plug is filled in earpiece holes as using traditional earphone hole, without additional operation, simplifies using process, protects
Action that is most simple and best suiting user's custom has been held, has promoted user experience, while realize the effective dust to earpiece holes.Separately
Outside, the present invention also is able to the connection of closing earpiece holes and cellphone body, avoids gray tip, moisture content etc. and has penetrated into hand through earpiece holes
Inside machine.The present invention make earphone hole keep modular construction, the extraction location of each contact is consistent with conventional earphone mouth, be conducive to and
Existing circuit board of mobile phone compatibility, has broad applicability.
Description of the drawings
Fig. 1 is the structural upright schematic diagram of earphone hole module of the prior art；
Fig. 2 is the structure diagram of earphone stopple of the prior art；
Fig. 3 is mobile phone flexible soft strip formula dustproof construction schematic diagram of the prior art；
Fig. 4 A-4B are the structural upright schematic diagrames of the dust protected mobile phone earphone interface module of first embodiment of the invention；
Fig. 5 A-5B are the dust protected mobile phone earphone interface cross-sectional schematic schematic diagrames of first embodiment of the invention；
Fig. 6 A-6B are the structural upright schematic diagrames of the dust protected mobile phone earphone interface module of second embodiment of the invention；
Fig. 7 A-7B are the dust protected mobile phone earphone interface cross-sectional schematic schematic diagrames of second embodiment of the invention.
Specific embodiment
The preferred embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.It may be noted that preferred embodiment is explained
The characteristics of purpose stated is to more fully show each aspect of the present invention and advantageous effect.It is therefore preferable that embodiment is
As illustrative, limiting the scope of the invention should not be understood as.Protection scope of the present invention should be wanted with right
It asks subject to the requested content of book.
First embodiment
Fig. 4 A-4B are the structural upright schematic diagrames of the dust protected mobile phone earphone interface module of first embodiment of the invention.This hair
Bright earphone hole integration module has matrix 301, and each conductive and dustproof construction of earphone hole is installed on the matrix 301.
The matrix 301 is in rectangular shape, and in Figure 4 A, matrix 301 has first end face in bottom, and the top has second end
Face, headset plug are inserted into the earpiece holes in matrix 301 along direction from bottom to up, i.e. first end face is the front end of earphone hole, the
Biend is the end of earphone hole, is four side wall surfaces between upper and lower ends face.Wherein, as it can be seen that the first signal touches from Fig. 4 A
Point 303, second signal contact 304, third signalling contact 305, fourth signal contact 306 are located at the first side of matrix 301 respectively
At wall position；More than four contacts through the fluting on the first side wall by extend internally outside matrix 301 until earpiece holes inner wall,
So as to be in contact respectively with each section of headset plug after four-section type headset plug is inserted into, L channel, the right side of connection earphone are realized
Sound channel, ground connection and Mike；More than four contacts after the fluting on the first side wall leads to 301 outside of matrix, can connect
The respective terminal of circuit board of mobile phone.The second sidewall opposite with the first side wall also has fluting, i.e. fluting shown in Fig. 4 B
311, analogously, detection contact 307 extends to the inner walls of earpiece holes through the fluting 311 in second sidewall, is used for and four-part form
One section of headset plug front end is in contact, and is led to outside matrix 301 by the fluting 311, to connect mobile phone electricity
Road plate, mobile phone can realize that whether being inserted into headset plug to earphone hole is detected by the detection contact 307.In order to facilitate ear
The connection of machine mouth and circuit board for being located at the detection contact 307 of second sidewall, in the outside of matrix 301 there is bending to prolong
Extending portion 313, as shown in Figure 4 B, the bending extension 313 are bent at the fluting 311 in the second sidewall and extend to institute
The first side wall is stated, so as to which all contacts for making earphone hole are all located in the plane of the first side wall, is advantageously implemented and mobile phone circuit
The physics wiring of plate can be such that the welding of earphone hole is more prone to and securely.Alternatively, as another selectable wiring side
Formula, the bending extension can also be bent at the fluting in the second sidewall and extend to the second end face.
Since the present invention will be conventionally located in the detection contact dislocation of the end of the earpiece holes of perforation matrix in second sidewall,
The second end face of closing thus may be used, as shown in Figure 4 A, earpiece holes are formed as into a blind hole.The second end face of closing
On the one hand can prevent dust through earpiece holes intrusion cellphone body inside, it is often more important that, its inner wall can be in the present embodiment
Fulcrum as the following dustproof constructions of fixation.
Referring to Fig. 4 B, first end face have it is circular opening 310, the opening 310 from first end face inwardly (i.e. Fig. 4 A-4B
In upward direction) extend up to second end face inner wall, form the earpiece holes for accommodating headset plug.Prolong through fluting above-mentioned each contact
It extends at the inner wall of earpiece holes.
The dustproof construction of the present invention is described below.The dustproof construction includes elastomeric element and can be opened and closed dustproof cover 308.At this
In embodiment, which is an adjustable spring, is mounted on inside matrix 301 along earpiece holes extending direction, side of stretching
To the extending direction of as earpiece holes.Adjustable spring one end is fixed on the inner wall of the second end face of the closing of described matrix 301,
Dustproof cover 308 is opened and closed shown in other end connection figure 4A-4B, dustproof cover 308 can be opened and closed described in the present embodiment as diameter etc.
Disk cover in earpiece holes aperture.For the ease of the smooth slip in earpiece holes of dustproof cover 308, the side of the disk cover can be opened and closed
Edge has rounded corner.As shown in figs. 4 a-4b, there are two opposite flanges 313 on disk cover.In 301 the first side wall of matrix and
On third side wall and the 4th side wall except second sidewall, guide groove 312 is provided with along earpiece holes extending direction as shown in figs. 4 a-4b,
The flange 313 of the disk cover, which is realized, to match with guide groove 312 so as to which in embedded guide groove 312, disk cover described so just can
It slides, avoid sideslip and gets stuck along earpiece holes (302) under the guiding of guide groove 312.
The working process and principle of the above-mentioned dustproof construction of the present invention are introduced with reference to the schematic block diagram of Fig. 5 A-5B.
Earpiece holes in Fig. 5 A-5B in matrix 301 are expressed as 302, and each contact 303,304,305,306,307 extends to earpiece holes 302
Inner wall, the elastomeric element 309 of adjustable spring form are fixed on 302 end of earpiece holes (i.e. second end face inner wall), elastomeric element 309
The other end connection can be opened and closed dustproof cover 308.When no headset plug is inserted into, elastomeric element 309 in the raw under, such as
Fig. 5 A, elastomeric element 309 push it is described can be opened and closed dustproof cover 308 and be located at the opening 310 of the first end face, i.e. earpiece holes
302 inlet, so as to close earpiece holes 302.As shown in Figure 5 B, when headset plug is inserted into earpiece holes 302, headset plug exists
The i.e. contact that is open at 310 can be opened and closed dustproof cover 308, and the dustproof cover 308 that is opened and closed overcomes under the promotion of headset plug
The elastic force of the elastomeric element 309 and along 302 slid inward of earpiece holes to the end of earpiece holes 302, i.e. open position, so as to make
Headset plug may be inserted into the earpiece holes 302 and realize the contact with each contact.Certainly, in order to realize above structure, this hair
The total length of bright middle earpiece holes 302 should be slightly longer than the intubating length of general four-section type headset plug, with for compressed elastic portion
Part and dustproof cover provide necessary accommodation space.And when headset plug is pulled out, under the return action of elastomeric element 309,
Dustproof cover 308 can be opened and closed and can be returned at the opening 310 of the first end face, self-closed earpiece holes 302.
As it can be seen that the present embodiment is realized when being not connected to earphone automatically to outer closure earpiece holes, avoid dust and enter and sink
Product.Moreover, user only carry out it is simplest plug and unplug action, do not need to additional operation, can simplify using process, save
Time and improvement application experience.And the present embodiment uses the dustproof construction of longitudinal movement, and product structure is simple, easy to produce.
Second embodiment
Fig. 6 A-6B are the structural upright schematic diagrames of the dust protected mobile phone earphone interface module of second embodiment of the invention.From figure
The second end face of the closing of visible matrix 301 and the first side wall and the first signalling contact of second sidewall are set in 6A
303rd, second signal contact 304, third signalling contact 305, fourth signal contact 306 and detection contact 307, more than structure with it is upper
One embodiment is essentially identical, is not repeated to illustrate herein.Since dustproof construction changes, other two phase of matrix 301
To side wall on no longer open up guide groove.
The dustproof construction of the present embodiment includes elastomeric element and can be opened and closed dustproof cover 308.It can be seen that can open from Fig. 6 A
Dustproof cover 308 is closed to divide for the semicircle slip lid 308b of the first semicircle dish type slip lid 308a and second.First semicircle dish type slip lid 308a
With the second semicircle slip lid 308b towards having chamfer bevel on the outer surface of headset plug, in order to which headset plug is guided to insert
Enter.Referring to Fig. 6 B, the structure of the first end face of matrix 301 is shown.It can be seen that there is the opening that cuboid opens shape in first end face
310, which extends internally certain length from first end face, and earphone hole 302 continues at the position that the opening terminates to base
301 internal stretch of body is until the inner wall of second end face.310 third except 301 first and second side wall of matrix of the opening
Two opposite inner walls 312 are formed on side wall and the 4th side wall, and the spacing of two inner walls is more than the aperture of earpiece holes 302.This
The invention elastomeric element includes the first elastic spring and the second elastic spring, and first elastic spring and the second elasticity
Reed is separately fixed on described two opposite inner walls, and the first semicircle dish type slip lid is connected to first elastic spring,
Second semicircle dish type slip lid is relatively connected to second elastic spring.
The course of work and original of the above-mentioned dustproof construction of the present embodiment are introduced with reference to the schematic block diagram of Fig. 7 A-7B
Reason.Fig. 7 A show earpiece holes 302 and first elastic spring 309a and the second elastic spring 309b.First elastic spring 309a
One end is fixed on an inner wall of opening 310, the first semicircle dish type slip lid 308a of another connection.Second elastic spring 309b
Second semicircle dish type slip lid 308b is connected to identical structure.In its natural state, i.e., when headset plug is not inserted into, such as scheme
7A, the first elastic spring 309a and the second elastic spring 309b relatively push the first semicircle dish type slip lid 308a and
Second semicircle slip lid 308b, makes the two mutually be closed, so as to close the inlet of earpiece holes 302.When headset plug is inserted into earphone
During hole 302, the semicircle slip lid 308b of the first semicircle dish type slip lid 308a and second are respectively under the promotion of headset plug gram
Clothes by elastic force are slided and retract to the position that opening 310 is wider than earpiece holes 302 round about, i.e. open position, such as scheme
Shown in 7B, so as to which headset plug be made to may be inserted into the earpiece holes 302.When headset plug is extracted from earpiece holes 302, then prevent
Dirt structure reverts to the form shown in Fig. 7 A, closes earpiece holes 302 again.
As it can be seen that the present embodiment is realized when being not connected to earphone automatically to outer closure earpiece holes, avoid dust and enter and sink
Product.Moreover, user only carry out it is simplest plug and unplug action, do not need to additional operation, can simplify using process, save
Time and improvement application experience.The dustproof construction of the present embodiment is concentrated in 1 outermost first end face of matrix, is not needed to deeply
Inside earpiece holes, it is easy for installation and maintenance.
In conclusion the present invention by can elasticity open and closing component, realize extract headset plug when it is automatically right
Outer closure earpiece holes avoid gray tip and enter and be deposited in earpiece holes.And need using earphone hole when, user also only
It needs to fill in headset plug in earpiece holes as using traditional earphone hole, without additional operation, simplifies and used
Journey maintains action that is most simple and best suiting user's custom, promotes user experience, while realize to the effectively anti-of earpiece holes
Dirt.In addition, the present invention also is able to the connection of closing earpiece holes and cellphone body, avoids gray tip, moisture content etc. and penetrated into through earpiece holes
Interior of mobile phone is arrived.The present invention makes earphone hole keep modular construction, and the extraction location of each contact is consistent with conventional earphone mouth, has
Conducive to compatible with existing circuit board of mobile phone, there is broad applicability.
Claims (10)
1. a kind of dust protected mobile phone earphone interface, which is characterized in that including：Matrix (301), earpiece holes (302), the first signalling contact
(303), second signal contact (304), third signalling contact (305), fourth signal contact (306), detection contact (307), can
It is opened and closed dustproof cover (308) and elastomeric element (309)；Wherein, described matrix (301) is including having the first end face of opening (310)
With the second end face of closing, the opening of earpiece holes (302) from the first end face extends inwardly to the second end of closing
Face forms a blind hole；First signalling contact (303), second signal contact (304), third signalling contact (305) and the 4th
Signalling contact (306) is set to the inner wall of the earpiece holes (302) to contact headset plug, and passes through matrix (301)
Fluting in one side wall draws to connect circuit board of mobile phone；Detection contact (307) is set to the earpiece holes (302)
Inner wall, and the fluting (311) in the second sidewall other than the first side wall for passing through matrix (301) draws to connect mobile phone electricity
Road plate；The elastomeric element (309) is fixed in described matrix (301) and can be opened and closed dustproof cover (308) described in connecting；The bullet
Property component (309) push in its natural state described in can be opened and closed dustproof cover (308) in the close position and close the earpiece holes
(302)；Dustproof cover (308) can be opened and closed described in being contacted when headset plug is inserted into earpiece holes (302), it is described to be opened and closed dustproof cover
(308) elastic force of the elastomeric element (309) is overcome under the promotion of headset plug and is moved to open position, so as to make earphone
Plug may be inserted into the earpiece holes (302).
2. dust protected mobile phone earphone interface according to claim 1, which is characterized in that the elastomeric element (309) is flexible
Spring and one end are fixed on the inner wall of the second end face of described matrix (301), and the dustproof cover (308) that is opened and closed is connected to institute
State the other end of elastomeric element (309)；In its natural state dustproof cover can be opened and closed described in elastomeric element (309) promotion
(308) positioned at the opening of the first end face so as to close earpiece holes (302)；When headset plug is inserted into earpiece holes (302),
The dustproof cover (308) that is opened and closed overcomes the elastic force of the elastomeric element (309) and along earpiece holes under the promotion of headset plug
(302) slid inward is to open position, so as to which headset plug be made to may be inserted into the earpiece holes (302).
3. dust protected mobile phone earphone interface according to claim 2, which is characterized in that the dustproof cover (308) of being opened and closed
Lateral edges have rounded corner.
4. dust protected mobile phone earphone interface according to claim 3, which is characterized in that the first side wall and second sidewall are
The opposite side wall of matrix (301), and prolong respectively along earpiece holes (302) on the opposite third side wall of matrix (301), the 4th side wall
It stretches direction and is provided with guide groove (312), the dustproof cover (308) that is opened and closed has the flange (313) to match with the guide groove, so as to
The dustproof cover (308) that can be opened and closed is made to be slided under the guiding of guide groove along earpiece holes (302).
5. dust protected mobile phone earphone interface according to claim 1, which is characterized in that the elastomeric element includes the first elasticity
Reed (309a) and the second elastic spring (309b), and first elastic spring (309a) and the second elastic spring (309b) point
Be not fixed on two opposite inner walls of the opening (310) of described matrix (301) first end face, it is described be opened and closed it is dust-proof
(308) are covered as the first semicircle dish type slip lid (308a) and the second semicircle slip lid (308b), and the first semicircle dish type slip lid connects
To first elastic spring, the second semicircle dish type slip lid is relatively connected to second elastic spring；In its natural state
First elastic spring and the second elastic spring relatively push the first semicircle dish type slip lid and the second semicircle slip lid,
The two is made mutually to be closed, so as to close earpiece holes (302)；When headset plug is inserted into earpiece holes (302), the first semicircle dish type
Slip lid and the second semicircle slip lid overcome by elastic force under the promotion of headset plug and slide into opening round about respectively
Position, so as to which headset plug be made to may be inserted into the earpiece holes (302).
6. dust protected mobile phone earphone interface according to claim 5, which is characterized in that first elastic spring and the second bullet
Property reed outer surface have chamfer bevel.
7. dust protected mobile phone earphone interface according to claim 6, which is characterized in that the first side wall and second sidewall are
The opposite side wall of matrix (301), and two opposite inner walls of the opening be arranged on the opposite third side wall of matrix (301),
On 4th side wall.
8. according to the dust protected mobile phone earphone interface described in any one in more than claim, which is characterized in that the detection is touched
Point (307) has bending extension (313) in the outside of matrix (301), and the bending extension is from the second sidewall
It is bent at fluting and extends to the first side wall.
9. the dust protected mobile phone earphone interface according to any one in claim 1-7, which is characterized in that the detection contact
(307) there is bending extension in the outside of matrix (301), the bending extension is curved at the fluting in the second sidewall
Song simultaneously extends to the second end face.
10. according to the dust protected mobile phone earphone interface described in any one in more than claim, first signalling contact
(303), second signal contact (304), third signalling contact (305) and fourth signal contact (306) are respectively used to four sections of contact
Each section of formula headset plug, and detection contact (307) is for contacting one section of four-section type headset plug front end.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711497877.6A CN108232702B (en) | 2017-12-29 | 2017-12-29 | A kind of dust protected handset earphone mouth structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711497877.6A CN108232702B (en) | 2017-12-29 | 2017-12-29 | A kind of dust protected handset earphone mouth structure |
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| CN108232702A true CN108232702A (en) | 2018-06-29 |
| CN108232702B CN108232702B (en) | 2019-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711497877.6A Active CN108232702B (en) | 2017-12-29 | 2017-12-29 | A kind of dust protected handset earphone mouth structure |
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| CN112291393A (en) * | 2020-10-29 | 2021-01-29 | 维沃移动通信有限公司 | Electronic device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108232702B (en) | 2019-09-06 |
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