CN202759569U - Earphone - Google Patents

Earphone Download PDF

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Publication number
CN202759569U
CN202759569U CN 201220393789 CN201220393789U CN202759569U CN 202759569 U CN202759569 U CN 202759569U CN 201220393789 CN201220393789 CN 201220393789 CN 201220393789 U CN201220393789 U CN 201220393789U CN 202759569 U CN202759569 U CN 202759569U
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CN
China
Prior art keywords
voice guide
housing
guide device
venthole
sidewall
Prior art date
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Expired - Lifetime
Application number
CN 201220393789
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Chinese (zh)
Inventor
袁信明
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INNOVATION (SHENZHEN) CO Ltd
Original Assignee
INNOVATION (SHENZHEN) CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN 201220393789 priority Critical patent/CN202759569U/en
Application granted granted Critical
Publication of CN202759569U publication Critical patent/CN202759569U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to an earphone. The earphone comprises a casing body, a horn arranged in the casing body, a sound cavity corresponding to the horn and an ear nozzle. A sound outlet hole is arranged in the ear nozzle. The sound outlet hole is connected with the sound cavity. The earphone further comprises a normally closed pressure releasing channel. The pressure releasing channel is used for connecting the sound cavity with the outside and can turns on in the process that a user stuffs the ear nozzle into an ear canal.

Description

Earphone
Technical field
The utility model relates to loud speaker, more particularly, relates to a kind of earphone.
Background technology
Most PlayGear Stealths all belongs to moving-coil earphone at present, and principle is that the coil that is in the permanent magnetic field links to each other with vibrating diaphragm, and coil drives the vibrating diaphragm sounding under signal code drives.Vibrating diaphragm in the general moving-coil type ear inserting type earphone is comparatively thin (for example, PET/PEN/PEI vibrating diaphragm thickness is about 6.0-9.0 μ m) all, and the user easily causes distortion or permanent breakage because vibrating diaphragm is impacted by the impulse force of air pressure when wearing.
The utility model content
The technical problems to be solved in the utility model is, for the above-mentioned deficiency in the correlation technique, provides a kind of improved earphone.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of earphone, comprise housing, be arranged at the loudspeaker in the described housing, sound chamber and the ear mouth corresponding with described loudspeaker, be formed with sender in the described ear mouth, described sender is connected with described sound chamber; This earphone also comprises a normally closed pressure release passage, and this pressure release passage is used for described sound chamber is connected with the external world, and can described ear mouth stuffed be entered conducting in the process of duct the user.
In earphone described in the utility model, described earphone comprises voice guide device and flexible member; Described voice guide device is arranged on the sidewall of described housing, and can longitudinally move to and fro between an extended position and a retracted position on the sidewall of described housing; When described voice guide device was in extended position, described pressure release passage was closed; When described voice guide device is in retracted position, described pressure release passage conducting; Described flexible member is arranged between described voice guide device and the described housing, in order to described voice guide device is remained on described extended position.
In earphone described in the utility model, described loudspeaker are arranged on the end that described voice guide device is positioned at described enclosure interior, and define described sound chamber with this end; Described ear mouth is arranged on the other end that described voice guide device is positioned at described outside, is formed with voice guide hole in the described voice guide device, and described voice guide hole is connected described sender with described sound chamber.
In earphone described in the utility model, offer the first venthole on the described voice guide device sidewall corresponding with described sound chamber, this first venthole runs through this sidewall of described voice guide device; When described voice guide device was in extended position, the outside wall surface of this sidewall of described voice guide device and the internal face of described housing were close to, and described the first venthole is blocked; When described voice guide device is in extended position, form an interval between the outside wall surface of this sidewall of described voice guide device and the internal face of described housing, described the first venthole conducting, and with described sound chamber and the conducting of described interval.
In earphone described in the utility model, be formed with the second venthole on the sidewall of described housing, described the second venthole is described interval and extraneous conducting, and then with described sound chamber and extraneous conducting; Described the first venthole, described interval and described the second venthole consist of described pressure release passage.
In earphone described in the utility model, described housing comprises the first housing and the second housing that is stitched together with the first housing, described the first housing comprises the first openend, is provided with the annular Plug Division that is plugged in described the second housing on the end face of described the first openend; Described the second housing comprises the second openend that is socketed on the described Plug Division.
In earphone described in the utility model, be formed with vertically at least one stopper slot on the described Plug Division, the week that described at least one stopper slot compartment of terrain is distributed in described Plug Division makes progress; The internal face of described the second housing is provided with at least one limit rib that extends vertically, and the week that described at least one limit rib compartment of terrain is distributed in the internal face of described the second housing makes progress, and is arranged in respectively at least one stopper slot of described the first housing.
In earphone described in the utility model, described the second housing comprises the blind end relative with described the second openend, and described blind end middle part is formed with through hole, is used for being placed through with longitudinal movement wherein for described voice guide device; Described voice guide device comprises the leading note member that is arranged in longitudinal movement in the described through hole and is fixed by socket in the sealing gasket of described leading note member periphery; Described leading note member comprises the cover body that can be arranged in the cylindrical shell in the described through hole with moving axially and be arranged at described cylindrical shell one end, and described cylindrical shell defines the voice guide hole of voice guide device, and described cover body defines described sound chamber with described loudspeaker.
In earphone described in the utility model, described sealing gasket middle part is formed with the first perforation, is placed through wherein for described cylindrical shell; The internal face of described sealing gasket closely is attached on the outside wall surface of described cover body, and can move along with described leading note member; Be formed with the second perforation on the sidewall of described cover body, be formed with the 3rd perforation on the sidewall of described sealing gasket on the correspondence position, described the second perforation is connected with described the 3rd perforation, forms described first venthole of described voice guide device.
In earphone described in the utility model, the opening ora terminalis of described cover body is formed with the ring edge towards external expansion, be formed with the breach that at least one radially extends on the described ring edge, described at least one breach matches with at least one limit rib of described the second inner walls face respectively, so that described cover body can take described at least one limit rib as track, move around in described the second housing.
The beneficial effects of the utility model are: compare with correlation technique, owing to being provided with pressure release passage, can described ear mouth stuffed be entered in the process of duct sound chamber and extraneous conducting the user, so that the air pressure in the sound chamber can sharply not rise owing to the entering of air in the duct, the vibrating diaphragm that can avoid air pressure moment in the sound chamber 70 to raise to loudspeaker works the mischief.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the longitudinal profile schematic diagram of earphone when voice guide device is in extended position among some embodiment of the utility model;
Fig. 2 is the longitudinal profile schematic diagram of earphone shown in Figure 1 when voice guide device is in retracted position;
Fig. 3 is the perspective view of earphone shown in Figure 1;
Fig. 4 is the perspective view of earphone shown in Figure 1 on another visual angle;
Fig. 5 is the stereo decomposing structural representation of earphone shown in Figure 1;
Fig. 6 is a side direction structural representation of the second housing of earphone shown in Figure 1.
Embodiment
Below in conjunction with specific embodiment and Figure of description the utility model is described in further details.
Fig. 1 shows the earphone 1 among some embodiment of the utility model, and this earphone 1 can comprise housing 10, voice guide device 20, loudspeaker 30, flexible member 40, ear mouth 50 and the earplug 60 of hollow.Housing 10 defines an airtight accommodation space 11, and it is cylindric that this accommodation space 11 roughly is in certain embodiments, and it has an axis X.Voice guide device 20 coaxially is arranged on the sidewall of housing 11 with accommodation space 11, and can be mobile to and fro between an extended position (as shown in Figure 1) and a retracted position (as shown in Figure 2) along axis X on the sidewall of housing 10; Voice guide device 20 has a voice guide hole 21.Loudspeaker 30 and voice guide device 20 coaxially are arranged on the end that voice guide device 20 is positioned at accommodation space 11, and can move around along with voice guide device 20; Loudspeaker 30 define an airtight sound chamber 70 with this end, the vibrating diaphragm 31 of sound chamber 70 and loudspeaker 30 over against, and be connected with voice guide hole 21.
Flexible member 40 is arranged between voice guide device 20 and the housing 10, be used for providing a suitable elastic force to voice guide device 20, aspect of this elastic force is large enough to earphone 1 makes voice guide device 20 remain on extended position under nature, on the other hand less than the frictional force between earplug 60 and the user's duct.Ear mouth 50 is installed on the end that voice guide device 20 is positioned at housing 10 outsides, and it has a sender 51, and this sender 51 is connected with voice guide hole 21, and then is connected with sound chamber 70, so that the sound that loudspeaker 30 send can spread out of via sender 51.Earplug 60 is sheathed on ear mouth 50, the comfort level when filling in user's ear to improve earphone 1.
Together consult Fig. 2, offer a venthole 22 on a sidewall corresponding to voice guide device 20 and sound chamber 70, this venthole 22 runs through this sidewall.When voice guide device 20 is in extended position (as shown in Figure 1), the internal face of the outside wall surface of this sidewall and housing 10 is close to, and this venthole 22 is blocked; When voice guide device 20 is in extended position, form an interval 80(between the internal face of the outside wall surface of this sidewall and housing 10 as shown in Figure 2), these venthole 22 conductings, and with sound chamber 70 and these interval 80 conductings.Offer venthole 14 on the sidewall of housing 10, this venthole 14 is interval 80 and extraneous conducting, and then with sound chamber 70 and extraneous conducting.So, venthole 22, interval 80 and venthole 14 just consist of a normally closed pressure release passage (as shown by the arrows in Figure 2), and conducting when this pressure release passage is in extended position at voice guide device 20 is closed when voice guide device 20 is in retracted position.
In the use procedure, when the housing 10 of holding earphone 1 as the user is filled in duct with earplug 60, because the effect of frictional force, the ear canal wall face will to earplug 60 produce one with the active force of filling in opposite direction, this active force is passed to ear mouth 50 by earplug 60, ear mouth 50 again with this force transmission to voice guide device 20, voice guide device 20 further with this force transmission to flexible member 40.When this active force during greater than the elastic force of flexible member 40, flexible member 40 is with compressed, so that voice guide device 20 is to housing 10 interior indentations, above-mentioned pressure release passage conducting, thereby with sound chamber 70 and extraneous conducting, so that the air pressure in the sound chamber 70 can sharply not rise owing to the entering of air in the duct, the vibrating diaphragm 31 that can avoid air pressure moment in the sound chamber 70 to raise to loudspeaker 30 works the mischief.And filled in after earphone 1 lets go as the user, compressed flexible member 40 resets, and drive shell 10 moves towards the direction away from the user, voice guide device 20 returns to extended position, and above-mentioned pressure release passage is closed, so that sound chamber 70 is sealed again, possess good tonequality with assurance earphone 1.Be appreciated that ground, the quantity of above-mentioned pressure release passage can be a plurality of.
Together consult 3 to Fig. 5, housing 10 can comprise that in certain embodiments the first housing 12 and the second housing 13, the first housings 12 and the second housing 13 coaxially are stitched together again.
The first housing 12 can define a columned accommodation space 120 in certain embodiments, and this accommodation space 120 consists of the part of above-mentioned accommodation space 11, and coaxial with accommodation space 11.The first housing 12 can comprise an openend 121, and splices on the second housing 13 with this openend 121.Be provided with an annular Plug Division 122 that can be plugged in the second housing 13 on the end face of openend 121, this Plug Division 122 is coaxial with accommodation space 120, and external diameter is less than the external diameter of openend 121.Also be formed with vertically several stopper slots 123 on the Plug Division 122, the week that these stopper slot 123 compartment of terrains are distributed in Plug Division 122 makes progress, can be respectively match with some limit ribs 133 in the second housing 13, after preventing the first housing 12 and 13 splicings of the second housing, both phase opposing connection axis X are rotated.The first housing 12 also can comprise wire sleeve 124 in certain embodiments, and wire sleeve 124 is arranged at the sidepiece of the first housing 12, and its axis and axis X are perpendicular or crossing.Wire sleeve 124 has a longitudinally wire guide 125, and this wire guide 125 is connected with this accommodation space 120 of housing 10, is connected with loudspeaker 30 so that wire (not shown) can extend in the accommodation space 11 via this wire guide 125.
Together consult Fig. 6, the second housing 13 can define a columned accommodation space 130 in certain embodiments, and this accommodation space 130 consists of another part of above-mentioned accommodation space 11, and coaxial with accommodation space 11; Be provided with several limit ribs that extends vertically 133 on the side wall surface of accommodation space 130, the week that these limit rib 133 compartment of terrains are distributed in the side wall surface of accommodation space 130 makes progress.The second housing 13 comprises an openend 131 and the blind end 132 relative with openend 131.Openend 131 is socketed on the Plug Division 122 of the first housing 12, and these some limit ribs 133 are arranged in respectively on some stopper slots 123 on the Plug Division 122 of the first housing 12.
Blind end 132 roughly is conical tabular (as shown in Figures 1 and 2) in certain embodiments, and blind end 132 middle parts offer a through hole 134, is used for being placed through wherein movably for voice guide device 20.Blind end 132 also offers venthole 14, and this venthole 14 is used for accommodation space 130 is in communication with the outside.Venthole 14 in certain embodiments can be adjacent with through hole 134, and through hole 134 is connected; When voice guide device 20 was close to the internal face of blind end 132, venthole 14 can be by sealing gasket 24 shutoff of voice guide device 20.
Again as shown in Figure 5, voice guide device 20 can comprise in certain embodiments the leading note member 23 in the through hole 134 that can be arranged in the second housing 13 with moving axially and be fixed by socket in the sealing gasket 24 of leading note member 23 peripheries.Leading note member 23 can adopt metal material to make in certain embodiments, and roughly be funnel-form, it comprises the cylindrical shell 230 in the through hole 134 that can be arranged in the second housing 13 and the cover body 232 that coaxially is arranged at cylindrical shell 230 1 ends with moving axially, and the voice guide hole 21(that cylindrical shell 230 defines voice guide device 20 as shown in Figure 1).It is conical tabular that cover body 232 roughly is, and define above-mentioned sound chamber 70 with loudspeaker 30.It is conical tabular that sealing gasket 24 also roughly is, and its middle part is formed with perforation 240, is placed through wherein for the cylindrical shell 230 of leading note member 23, and the internal face of sealing gasket 24 closely is attached on the outside wall surface of cover body 232, and can move along with leading note member 23.24 1 aspects of sealing gasket can improve the sealing effectiveness of voice guide hole 21 and venthole 14, the cushioning effect in the time of can playing on the other hand voice guide device 20 and move.
Also be formed with perforation 233 on the sidewall of cover body 232, correspondingly, be formed with perforation 242 on the sidewall of sealing gasket 24 on the correspondence position, perforation 242 is connected with perforation 213, and the venthole 22(of formation voice guide device 20 as shown in Figure 1).The opening ora terminalis of cover body 232 also is formed with to the ring edge 234 away from the Directional Extension of axis, also be formed with some breach 235 that radially extend on the ring edge 234, these breach 235 match with the limit rib 133 of the second housing 13 internal faces respectively, so that cover body 232 can take limit rib 133 as track, move around in the second housing 13.
It is cylindric that loudspeaker 30 roughly are in certain embodiments, and coaxially be installed on the openend of the cover body 232 of voice guide device 20, and can move along with voice guide device 20, and the vibrating diaphragm 31 of loudspeaker 30 is positioned at loudspeaker 30 and cover body 232 opposite sides.Flexible member 40 is the column spring in certain embodiments, and the one end is connected on the end face of Plug Division 122 of the first housing 12, and the other end is connected to the openend of leading note member 23.Be appreciated that ground, flexible member 40 is not limited to the column spring, and other flexible members that are fit to also can be suitable for.Ear mouth 50 is tubular, and is socketed on the relative other end of the cover body 232 place ends of cylindrical shell 230 of leading note member 23, and ear mouth 50 has an axial sender 51, and this sender 51 is connected with leading note member 23.The outer side surface of ear mouth 50 upwards is formed with annular groove 52 in week, is used for fastening with earplug 60.
The above only is preferred implementation of the present utility model, and protection range of the present utility model also not only is confined to above-described embodiment, and all technical schemes that belongs under the utility model thinking all belong to protection range of the present utility model.Should be pointed out that for those skilled in the art, in several improvements and modifications that do not break away under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.

Claims (10)

1. an earphone comprises housing, is arranged at the loudspeaker in the described housing, sound chamber and the ear mouth corresponding with described loudspeaker, is formed with sender in the described ear mouth, and described sender is connected with described sound chamber; It is characterized in that, this earphone also comprises a normally closed pressure release passage, and this pressure release passage is used for described sound chamber is connected with the external world, and can described ear mouth stuffed be entered conducting in the process of duct the user.
2. earphone according to claim 1 is characterized in that, described earphone comprises voice guide device and flexible member; Described voice guide device is arranged on the sidewall of described housing, and can longitudinally move to and fro between an extended position and a retracted position on the sidewall of described housing; When described voice guide device was in extended position, described pressure release passage was closed; When described voice guide device is in retracted position, described pressure release passage conducting; Described flexible member is arranged between described voice guide device and the described housing, in order to described voice guide device is remained on described extended position.
3. earphone according to claim 2 is characterized in that, described loudspeaker are arranged on the end that described voice guide device is positioned at described enclosure interior, and defines described sound chamber with this end; Described ear mouth is arranged on the other end that described voice guide device is positioned at described outside, is formed with voice guide hole in the described voice guide device, and described voice guide hole is connected described sender with described sound chamber.
4. earphone according to claim 3 is characterized in that, offers the first venthole on the described voice guide device sidewall corresponding with described sound chamber, and this first venthole runs through this sidewall of described voice guide device; When described voice guide device was in extended position, the outside wall surface of this sidewall of described voice guide device and the internal face of described housing were close to, and described the first venthole is blocked; When described voice guide device is in extended position, form an interval between the outside wall surface of this sidewall of described voice guide device and the internal face of described housing, described the first venthole conducting, and with described sound chamber and the conducting of described interval.
5. earphone according to claim 4 is characterized in that, is formed with the second venthole on the sidewall of described housing, and described the second venthole is described interval and extraneous conducting, and then with described sound chamber and extraneous conducting; Described the first venthole, described interval and described the second venthole consist of described pressure release passage.
6. earphone according to claim 5, it is characterized in that, described housing comprises the first housing and the second housing that is stitched together with the first housing, described the first housing comprises the first openend, is provided with the annular Plug Division that is plugged in described the second housing on the end face of described the first openend; Described the second housing comprises the second openend that is socketed on the described Plug Division.
7. earphone according to claim 6 is characterized in that, is formed with vertically at least one stopper slot on the described Plug Division, and the week that described at least one stopper slot compartment of terrain is distributed in described Plug Division makes progress; The internal face of described the second housing is provided with at least one limit rib that extends vertically, and the week that described at least one limit rib compartment of terrain is distributed in the internal face of described the second housing makes progress, and is arranged in respectively at least one stopper slot of described the first housing.
8. earphone according to claim 7 is characterized in that, described the second housing comprises the blind end relative with described the second openend, and described blind end middle part is formed with through hole, is used for being placed through with longitudinal movement wherein for described voice guide device; Described voice guide device comprises the leading note member that is arranged in longitudinal movement in the described through hole and is fixed by socket in the sealing gasket of described leading note member periphery; Described leading note member comprises the cover body that can be arranged in the cylindrical shell in the described through hole with moving axially and be arranged at described cylindrical shell one end, and described cylindrical shell defines the voice guide hole of voice guide device, and described cover body defines described sound chamber with described loudspeaker.
9. earphone according to claim 8 is characterized in that, described sealing gasket middle part is formed with the first perforation, is placed through wherein for described cylindrical shell; The internal face of described sealing gasket closely is attached on the outside wall surface of described cover body, and can move along with described leading note member; Be formed with the second perforation on the sidewall of described cover body, be formed with the 3rd perforation on the sidewall of described sealing gasket on the correspondence position, described the second perforation is connected with described the 3rd perforation, forms described first venthole of described voice guide device.
10. earphone according to claim 9, it is characterized in that, the opening ora terminalis of described cover body is formed with the ring edge towards external expansion, be formed with the breach that at least one radially extends on the described ring edge, described at least one breach matches with at least one limit rib of described the second inner walls face respectively, so that described cover body can take described at least one limit rib as track, move around in described the second housing.
CN 201220393789 2012-08-09 2012-08-09 Earphone Expired - Lifetime CN202759569U (en)

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CN 201220393789 CN202759569U (en) 2012-08-09 2012-08-09 Earphone

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014023008A1 (en) * 2012-08-09 2014-02-13 易力声科技(深圳)有限公司 Earphone
WO2015024207A1 (en) * 2013-08-21 2015-02-26 声电电子科技(惠州)有限公司 Headphone having movable air outlet valve
CN105263074A (en) * 2014-07-14 2016-01-20 骷髅头有限公司 Elastomeric component for earbud headphones and headphones including such elastomeric components
CN106162407A (en) * 2016-08-12 2016-11-23 歌尔股份有限公司 Headset earpiece and earphone
WO2018099074A1 (en) * 2016-11-30 2018-06-07 歌尔股份有限公司 Speaker module
CN108429962A (en) * 2018-05-08 2018-08-21 钱娟娟 Disappear indentation aural headphone

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014023008A1 (en) * 2012-08-09 2014-02-13 易力声科技(深圳)有限公司 Earphone
US9319771B2 (en) 2012-08-09 2016-04-19 Innovation Sound Technology Co., Ltd. Earphone
WO2015024207A1 (en) * 2013-08-21 2015-02-26 声电电子科技(惠州)有限公司 Headphone having movable air outlet valve
US9674600B2 (en) 2013-08-21 2017-06-06 Acoustic Innovation (Huizhou) Co., Ltd. Earphones with air release valves
CN105263074A (en) * 2014-07-14 2016-01-20 骷髅头有限公司 Elastomeric component for earbud headphones and headphones including such elastomeric components
CN105263074B (en) * 2014-07-14 2019-10-08 骷髅头有限公司 For the elastomeric components of PlayGear Stealth and the earphone including such elastomeric components
CN106162407A (en) * 2016-08-12 2016-11-23 歌尔股份有限公司 Headset earpiece and earphone
WO2018099074A1 (en) * 2016-11-30 2018-06-07 歌尔股份有限公司 Speaker module
CN108429962A (en) * 2018-05-08 2018-08-21 钱娟娟 Disappear indentation aural headphone

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Granted publication date: 20130227