CN208540112U - Earphone and ear casing with acoustic function - Google Patents

Abstract

The utility model provides a kind of earphone and the ear casing with acoustic function, the ear casing with acoustic function includes the main sound shell and earmuff with accommodating cavity, support construction is equipped in accommodating cavity, part in accommodating cavity on front side of support construction is ante-chamber, it is equipped in ante-chamber and leads cylinder record, the front end for leading cylinder record is outward extended with connecting plate, and connecting plate and main sound shell phase connect, inner cavity is formed in leading corresponding region on the inside of cylinder record in ante-chamber, forms exocoel in leading corresponding region on the outside of cylinder record in ante-chamber.The utility model leads cylinder record by installing in the ante-chamber of main sound shell, ante-chamber is divided into inner cavity and exocoel, so as to preferably carry out Acoustic treatment to the sound that phonation unit issues, keeps middle pitch distortion minimum, promote high pitch extensibility, low frequency dive is deep, clean full, so that high pitch, middle pitch and bass energy be made to be evenly distributed, the fusion between frequency range is naturally smooth, without lofty and burr, preferably to realize hi-fi effect.

Description

Earphone and ear casing with acoustic function

Technical field

The utility model belongs to earphone field, is to be related to a kind of ear casing with acoustic function and make more specifically With the earphone of the ear casing with acoustic function.

Background technique

Human ear can hear that the frequency range of sound is: 20Hz~20000Hz.In 20Hz~20kHz entire audible acoustic frequency In range, bound frequency totally 10 octaves.Audible sound is generally divided into 3 parts by frequency multiplication relationship, determines basic, normal, high audio Section.That is: bass frequency range 20Hz~160Hz (3 frequency multiplication)；Middle pitch frequency range 160Hz~2500Hz (4 frequency multiplication)；High pitch frequency range 2500Hz ~20000Hz (3 frequency multiplication).The sound intensity that human ear centering audio section is experienced is larger and flatter.High pitch frequency range is experienced Sound intensity gradually weakens with the raising of frequency, is an oblique line.Bass frequency range sharply weakens in 80Hz or less, the steep rate of oblique line compared with Greatly, the sharply decrease of bass frequency range is generally known as low frequency " blunt " phenomenon.High fidelity refers to and original sound height phase As reset sound.Earphone generally comprises phonation unit and casing.Ear casing has ante-chamber and back cavity, wherein is located at sounding list The chamber in first front is ante-chamber, and the chamber on rear side of phonation unit is back cavity.The ante-chamber of current earphone shell is usually by sounding It is guided out in the sound set that unit issues, the back cavity of ear casing can be by partial sound, especially bass reflex, to increase bass. But this ear casing is poor to the Acoustic treatment effect of sound, it is difficult to reach hi-fi effect.

Utility model content

The purpose of this utility model is to provide a kind of ear casings with acoustic function, to solve to exist in the prior art The ear casing problem poor to sound Acoustic treatment effect.

In order to achieve the above purposes, the technical solution adopted by the utility model is: provides a kind of earphone with acoustic function Shell including the main sound shell with accommodating cavity and is installed on the earmuff of the main sound shell front end, is equipped in the accommodating cavity for branch The support construction for supportting phonation unit, the part in the accommodating cavity on front side of the support construction are ante-chamber, in the accommodating cavity Part on rear side of the support construction forms back cavity, and the cylinder record of leading in front and back penetration state is equipped in the ante-chamber, described to lead The region of phonation unit is installed in the rear end of cylinder record in the support construction, and the front end for leading cylinder record is outward extended with connection Plate, the connecting plate and the main sound shell phase connect, and lead corresponding region formation inner cavity, institute on the inside of cylinder record in described in the ante-chamber It states in ante-chamber and leads corresponding region formation exocoel on the outside of cylinder record in described.

Further, for the cylinder record of leading in horn-like, the cross-sectional area of the inner cavity is in flaring shape from the front to the back.

Further, the front end for leading cylinder record is equipped with filter tablet, and the filter tablet covers the front end of the inner cavity.

Further, the support construction is the support plate being installed in the accommodating cavity, the periphery of the support plate with The main sound shell phase connects, and the region that the rear end for leading cylinder record is corresponded in the support plate offers opening.

Further, the sound cover for accommodating and supporting phonation unit is installed, the sound cover covers in the support plate In the opening, the front end of the sound cover offers several sound outlet holes.

Further, the main sound shell includes that rear end offers the base structure of aperture and the door being placed in the aperture Mechanism forms the accommodating cavity in the base structure, and the base structure is connected with the cylinder record of leading, and the earmuff is installed on The front end of the base structure.

Further, the base structure includes skeleton and the shell that is placed on the skeleton, the skeleton include front frame, Several ribs of after-frame and the connection front frame and the after-frame, the support construction is connected with the ribs, after described The aperture is formed in frame, the skeleton is connected with the cylinder record of leading, and the earmuff is installed on the front end of the base structure.

Further, the base structure further includes several tone tuning pieces that cooperation is placed on the outside of the skeleton, and each described Tone tuning piece is between the after-frame and the front frame.

Further, the earmuff includes the sponge cover being connected with the main sound shell front end periphery, is covered in the sponge Musculus cutaneus on cover and the screen cloth being installed in the sponge cover, plane where the screen cloth favour the front end institute for leading cylinder record In plane.

The beneficial effect of ear casing provided by the utility model with acoustic function is: compared with prior art, this Utility model leads cylinder record by installing in the ante-chamber of main sound shell, ante-chamber is divided into inner cavity and exocoel, inner cavity can be better The sound export that phonation unit is issued；Exocoel can then prevent from resonating, and the extra energy of each frequency range is decayed, in turn Acoustic treatment preferably is carried out to the sound that phonation unit issues, keeps middle pitch distortion minimum, promotes high pitch extensibility, low frequency dive Deep, clean full, so that high pitch, middle pitch and bass energy be made to be evenly distributed, the fusion between frequency range is naturally smooth, without lofty and hair Thorn, preferably to realize hi-fi effect.

The another object of the utility model is to provide earphone, including phonation unit, further includes having sound as described above The ear casing of function is learned, the phonation unit is installed in the support construction.

The earphone of the utility model has used the above-mentioned ear casing with acoustic function, can preferably send out phonation unit Sound out carries out Acoustic treatment, and three frequency equalization of sound for issuing earphone realizes hi-fi effect.

Detailed description of the invention

It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of the ear casing provided by the embodiment of the utility model with acoustic function；

Fig. 2 is the schematic cross-sectional view of the ear casing with acoustic function of Fig. 1；

Fig. 3 is the decomposition texture schematic diagram of the ear casing with acoustic function of Fig. 1；

Fig. 4 is the decomposition texture schematic diagram of earmuff in Fig. 3；

Fig. 5 is main sound shell and to lead the decomposition texture schematic diagram of cylinder record in Fig. 4；

Fig. 6 is base structure and to lead the decomposition texture schematic diagram one of cylinder record in Fig. 5；

Fig. 7 is base structure and to lead the decomposition texture schematic diagram two of cylinder record in Fig. 5；

Fig. 8 is the structural schematic diagram one when Fig. 7 middle skeleton, support plate and tone tuning piece combine；

Fig. 9 is the structural schematic diagram two when Fig. 7 middle skeleton, support plate and tone tuning piece combine；

Figure 10 is structural schematic diagram when tone tuning piece is separated from skeleton in Fig. 7；

Figure 11 is the enlarged structure schematic diagram of Fig. 7 middle skeleton.

Wherein, each attached drawing main mark in figure:

10- earmuff；11- sponge cover；111- positioning step；12- musculus cutaneus；13- screen cloth；14- connection ring；141- buckle；15- Sealed bolster plate；151- impenetrating mouth；

The main sound shell of 20-；21- accommodating cavity；22- ante-chamber；The inner cavity 221-；222- exocoel；23- back cavity；24- voicing hole；

31- leads cylinder record；311- connecting plate；312- card slot；32- filters tablet；The first gasket of 33-；

40- cover mechanism；41- mesh plate；42- support ring；43- dustcloth；44- pieces of cloth；

50- base structure；51- skeleton；511- front frame；512- after-frame；513- ribs；514- center；515- fixed bin； 52- tone tuning piece；53- front housing；531- notch；532- supporting case；533- through-hole；534- audio socket；535- cover board；Shell in 54-； 55- acoustical panel；

61- support plate；611- sound regulating hole；62- sound cover；621- sound outlet hole；The second gasket of 63-.

Specific embodiment

In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein It applies example to be only used to explain the utility model, is not used to limit the utility model.

It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element On one element or indirectly on another element.When an element is known as " being connected to " another element, it can To be directly to another element or be indirectly connected on another element.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined." several " are meant that one or more, unless otherwise clearly specific limit It is fixed.

In the description of the present invention, it should be understood that term " center ", " length ", " width ", " thickness ", The orientation of the instructions such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" or Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, Rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, because This should not be understood as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements or the interaction relationship of two elements.For those of ordinary skill in the art and Speech, can understand the concrete meaning of above-mentioned term in the present invention as the case may be.

Also referring to Fig. 1 to Figure 11, now the ear casing provided by the utility model with acoustic function is illustrated. The ear casing with acoustic function, including main sound shell 20 and earmuff 10, earmuff 10 are mounted on main 20 front end of sound shell；Main sound shell It is equipped with accommodating cavity 21 in 20, the devices such as phonation unit, circuit board can be installed in accommodating cavity 21.Support knot is equipped in accommodating cavity 21 Structure, support construction are used to support phonation unit, phonation unit are supported in accommodating cavity 21 with facilitating.In support in accommodating cavity 21 The part of architecture front-side is ante-chamber 22, and the part in accommodating cavity 21 on rear side of support construction forms back cavity 23, is installed in ante-chamber 22 Cylinder record 31 is led, leads cylinder record 31 in front and back penetration state, so as to the sound export for issuing phonation unit；Lead the rear end ring of cylinder record 31 The region of phonation unit is installed in support construction, i.e., after phonation unit is installed on the support structure, leads the rear end of cylinder record 31 Around phonation unit, phonation unit, which is located at, is led in the corresponding region in 31 rear end of cylinder record；The front end for leading cylinder record 31 is outward extended with company Fishplate bar 311, connecting plate 311 are connected with main sound shell 20, and connecting plate 311 is arranged in the front end for leading cylinder record 31, will lead cylinder record to facilitate 31 are fixed in main sound shell 20.Inner cavity 221 is formed in leading the corresponding region in the inside of cylinder record 31 in ante-chamber 22, in leading sound in ante-chamber 22 The corresponding region in 31 outside of cylinder forms exocoel 222, that is, leads cylinder record 31 for ante-chamber 22 and be divided into inner cavity 221 and exocoel 222, lead cylinder record 31 The part that outside corresponds to ante-chamber 22 is exocoel 222, and the inside for leading cylinder record 31 forms inner cavity 221；It inner cavity 221 can be preferably right The sound export that phonation unit issues, enables the biggish export of the sound of each frequency range, guarantees volume；And exocoel 222 can will be each The excessive energy attenuation of frequency range, while can prevent from resonating, in comparison, bass attenuation is relatively small, even if acoustically right Bass is suitably promoted, and each band energy is more uniformly spread.

Ear casing provided by the utility model with acoustic function, compared with prior art, the utility model by Cylinder record 31 is led in installation in the ante-chamber 22 of main sound shell 20, ante-chamber 22 is divided into inner cavity 221 and exocoel 222, inner cavity 221 can be more preferable By phonation unit issue sound export；Exocoel 222 can then prevent from resonating, and the extra energy of each frequency range is declined Subtract, and then Acoustic treatment preferably is carried out to the sound that phonation unit issues, keeps middle pitch distortion minimum；High pitch extensibility is promoted, Low frequency dive is deep, clean full, high resilience and dynamics；High pitch, middle pitch and bass energy is set to be evenly distributed, between each frequency range sound Fusion nature, smooth, without lofty and burr, preferably to realize hi-fi effect.

Further, referring to Figure 2 together, Fig. 6 and Fig. 7, as the ear provided by the utility model with acoustic function A kind of specific embodiment of casing leads cylinder record 31 in horn-like, and the cross-sectional area of inner cavity 221 is in flaring shape from the front to the back.It will The setting of cylinder record 31 is led in horn-like, the decaying of sound can be reduced preferably by sound guidance, diffusion.

Further, referring to Figure 2 together, Fig. 6 and Fig. 7, as the ear provided by the utility model with acoustic function A kind of specific embodiment of casing, it further includes that cooperation is padded on main sound shell 20 and connecting plate that this, which has the ear casing of acoustic function, The first gasket 33 between 311.First gasket 33 is set, can preferably by between connecting plate 311 and main sound shell 20 into Row sealing, prevents sound from revealing between connecting plate 311 and main sound shell 20, and exports sound from the position of setting.

Further, referring to Figure 2 together, Fig. 6 and Fig. 7, as the ear provided by the utility model with acoustic function A kind of specific embodiment of casing, the front end for leading cylinder record 31 are equipped with filter tablet 32.Setting filter tablet 32, can be absorbed part High-frequency sound, preferably to prevent sound ear-piercing.Sponge sheet can be used in filter tablet 32, and other pieces of cloth also can be used.It will filter Tablet 32 covers the front end of inner cavity 221, filter tablet 32 can be made preferably to absorb part high pitch, thus between making each frequency range sound Fusion it is more natural, smooth, keep three frequency range acoustic energies more balanced.

Further, referring to Figure 2 together, Fig. 6 and Fig. 7, as the ear provided by the utility model with acoustic function A kind of specific embodiment of casing, the inside for leading 31 front end of cylinder record are equipped with the first locating slot that tablet 32 is filtered for location and installation (not marked in figure).The first locating slot of 31 front end of cylinder record setting is being led, to facilitate installation filter tablet 32, convenient for assembling, is being fixed.

Further, referring to Figure 2 together, Fig. 6 to Fig. 8, as the ear provided by the utility model with acoustic function A kind of specific embodiment of casing, support construction are the support plate 61 being installed in accommodating cavity 21, the periphery of support plate 61 with Main sound shell 20 is connected, and the region that the rear end for leading cylinder record 31 is corresponded in support plate 61 offers opening (not marking in figure).Setting Support plate 61 to facilitate support phonation unit, and opens up opening in support plate 61, can be in order to the sound of phonation unit sending Into ante-chamber 22.In addition, setting support plate 61, preferably can also be divided into ante-chamber 22 and back cavity for the accommodating cavity 21 of main sound shell 20 23, and then can preferably carry out selectivity and the sound of different frequency range is adjusted, is handled.In addition, opening setting is being led The corresponding region in 31 rear end of cylinder record, after phonation unit is mounted in support plate 61, the sound that phonation unit issues can be more preferable Entrance lead cylinder record 31.In some other embodiment, support construction may be rib, to support phonation unit.

Further, referring to Figure 2 together, Fig. 6 to Fig. 8, as the ear provided by the utility model with acoustic function A kind of specific embodiment of casing is equipped with sound cover 62 in support plate 61, and sound cover 62 covers in opening, and the front end of sound cover 62 is opened Equipped with several sound outlet holes 621.Sound cover 62 can be used to accommodate and support phonation unit, i.e., when installing phonation unit, can incite somebody to action Phonation unit is mounted in sound cover 62.Sound outlet hole 621 is opened up in the front end of sound cover 62, the sound that phonation unit can be made to issue is more Good export.Certainly the adjustment effect to sound can also be played by the design of sound outlet hole 621.In the present embodiment, sound cover 62 Front end be in web-like structure.In some other embodiment, the front end of sound cover 62 can also be in honeycomb net trellis etc..

Further, referring to Figure 2 together, Fig. 6 to Fig. 8, as the ear provided by the utility model with acoustic function A kind of specific embodiment of casing, sound cover 62, which protrudes into, leads in cylinder record 31.It protrudes into sound cover 62 and leads cylinder record 31, sounding list can be made The sound that member issues preferably is led cylinder record 31 and is exported, while sound cover 62 can also play support and 31 rear end of cylinder record is led in positioning Effect.

Further, referring to Figure 2 together, Fig. 6 to Fig. 8, as the ear provided by the utility model with acoustic function A kind of specific embodiment of casing offers the sound regulating hole 611 of connection exocoel 222 and back cavity 23 in support plate 61.It is supporting Sound regulating hole 611 is opened up on plate 61, and sound regulating hole 611 is made to be connected to exocoel 222 and back cavity 23, and the audio in back cavity 23 can be made more preferable Enter exocoel 222, with enhancing in bass, promoted tuning effect.

In the present embodiment, opened up in support plate 61 there are two sound regulating hole 611.It in other embodiments, can in support plate 61 To open up more sound regulating holes 611, when being adapted to different pronunciation units, the property of can choose closes sound regulating hole 611, with Preferably carry out tuning processing.

Further, referring to Figure 2 together, Fig. 6 to Fig. 8, as the ear provided by the utility model with acoustic function A kind of specific embodiment of casing, the second gasket 63 is also equipped in accommodating cavity 21, and the cooperation of the second gasket 63 is padded on master Between sound shell 20 and support plate 61.Second gasket 63 is set, can preferably prevent sound from main sound shell 20 and support plate 61 Between leak, and pass through sound preferably from sound regulating hole 611, enhance the effect of tuning.

Further, also referring to Fig. 5 to Figure 11, as the ear casing provided by the utility model with acoustic function A kind of specific embodiment, main sound shell 20 include base structure 50 and cover mechanism 40；The rear end of base structure 50 offers Aperture (does not mark) in figure, and cover mechanism 40 is placed in aperture, in base structure 50 formed accommodating cavity 21, base structure 50 with lead Cylinder record 31 is connected, and earmuff 10 is installed on the front end of base structure 50.50 processing and fabricating of base structure of the structure is convenient, while Convenient for assembling.

Further, also referring to Fig. 1, Fig. 2 and Fig. 5, as the ear provided by the utility model with acoustic function A kind of specific embodiment of casing, cover mechanism 40 include the mesh plate 41 being placed in aperture.Using mesh plate 41, and cover In the aperture of 50 rear end of base structure, by the setting of back cavity 23 in style of opening, so as to preferably by sound energy in back cavity 23 Amount discharge, can especially diffuse out part bass, bass acoustic pressure be reduced, to make one to perceive broader acoustic space Sense.Certainly, in other embodiments, back cavity 23 also be can be set in closed, and cover mechanism 40 is such as equipped with sealing plate and close Seal the aperture of base structure 50.

Further, also referring to Fig. 1, Fig. 2 and Fig. 5, as the ear provided by the utility model with acoustic function A kind of specific embodiment of casing, cover mechanism 40 further include support ring 42, and mesh plate 41 is installed in support ring 42, support Ring 42 is connected with the rear end of base structure 50.Support ring 42 is set, mesh plate 41 is mounted on base structure 50 with facilitating.

Further, also referring to Fig. 1, Fig. 2 and Fig. 5, as the ear provided by the utility model with acoustic function A kind of specific embodiment of casing is equipped with supporting block (not marking in figure) in support ring 42, is equipped on base structure 50 Hinged block (does not mark) in figure, and supporting block connects with hinged block axis.The structure, which facilitates, is mounted on support ring 42 on base structure 50, And then facilitates and cover mesh plate 41 in the aperture of base structure 50.In addition the structure, which also facilitates, opens support ring 42, is convenient for The structure in back cavity 23 is checked, convenient for assembling and tuning.It further, can also be by support ring after support ring 42 is installed 42 are fixedly linked with base structure 50, to prevent user's disassembly.

Further, also referring to Fig. 1, Fig. 2 and Fig. 5, as the ear provided by the utility model with acoustic function A kind of specific embodiment of casing is covered with dustcloth 43 on mesh plate 41.Dustcloth 43 is covered on mesh plate 41, to prevent External dust enters base structure 50.

Further, also referring to Fig. 1, Fig. 2 and Fig. 5, as the ear provided by the utility model with acoustic function A kind of specific embodiment of casing, cover mechanism 40 further include the pieces of cloth 44 on 41 inner surface of mesh plate.Pieces of cloth are set 44, it can protect mesh plate 41, it is also more aesthetically pleasing.

Further, also referring to Fig. 1, Figure 10 and Figure 11, as provided by the utility model with acoustic function A kind of specific embodiment of ear casing offers the voicing hole 24 of connection ante-chamber 22 on main sound shell 20.It is opened on main sound shell 20 If voicing hole 24 can conveniently adjust the Air permenbility of ante-chamber 22, facilitate tuning.Further, there are two being set on main sound shell 20 Voicing hole 24.Further, two voicing holes 24 are arranged in time interval.Further, voicing hole 24 is in narrow orifice shape.

Further, referring to Figure 2 together, Fig. 5 to Figure 11, as the ear provided by the utility model with acoustic function A kind of specific embodiment of casing, base structure 50 include skeleton 51 and shell, and skeleton 51 includes front frame 511,512 and of after-frame Several ribs 513 of front frame 511 and after-frame 512 are connected, support construction is connected with ribs 513, is formed in after-frame 512 above-mentioned Aperture, skeleton 51 are connected with cylinder record 31 is led, and earmuff 10 is installed on the front end of base structure 50, and shell is placed on skeleton 51；Specifically Ground, accommodating cavity 21 are located in skeleton 51.Skeleton 51 is set, can be convenient support housing, increases intensity.Further, on shell Offer above-mentioned voicing hole 24.

Further, for skeleton 51 in horn-like, 512 perimeter of after-frame is less than its 511 perimeter of front frame, so as to by base structure 50 supports are in horn-like, and the sound for issuing phonation unit is also facilitated to be diffused.

Further, also referring to Fig. 1, Fig. 2 and Fig. 5, as the ear provided by the utility model with acoustic function A kind of specific embodiment of casing, base structure 50 further include the acoustical panel 55 being placed in aperture, and acoustical panel 55 is located at mesh The inside of plate 41.Acoustical panel 55 is set, damping can be increased, processing preferably is adjusted to bass.Further, noise reduction Plate 55 may be mounted on base structure 50.

Further, referring to Figure 6 together to Figure 10, as the ear casing provided by the utility model with acoustic function A kind of specific embodiment, base structure 50 further includes several tone tuning pieces 52 that cooperation is placed on the outside of skeleton 51, and each tuning Piece 52 is between after-frame 512 and front frame 511.Due between adjacent two ribs 513 have interval, then between two tone tuning pieces 52 between Gap can be connected to back cavity 23 and ante-chamber 22, then the Air permenbility of the adjustable ante-chamber 22 of tone tuning piece 52 and back cavity 23 is arranged, with more preferable Carry out tuning, especially can bass in good adjusting.

Further, referring to Figure 6 together to Figure 10, as the ear casing provided by the utility model with acoustic function A kind of specific embodiment, tone tuning piece 52 is four, and four tone tuning pieces 52, which are respectively cooperating with, to be covered in the outside of skeleton 51.Use four Tone tuning piece 52, processing and fabricating is convenient, while being also convenient for adjusting Air permenbility；In addition it can also make each tone tuning piece 52 preferably and skeleton 51 cooperations.

Further, referring to Figure 6 together, Fig. 8 and Figure 11, as the ear provided by the utility model with acoustic function A kind of specific embodiment of casing, skeleton 51 further include the center 514 set between front frame 511 and after-frame 512, center 514 with Each ribs 513 are connected, and center 514 is connected with support construction.Center 514 is set, intensity on the one hand can be increased, on the other hand It can be convenient connected support structure.And it, can be preferably by support plate 61 and center 514 when support construction is support plate 61 Between be sealed, so that ante-chamber 22 and back cavity 23 be separated.

Further, the above-mentioned cooperation of second gasket 63 is padded between center 514 and support plate 61.Preferably by ante-chamber 22 separate with back cavity 23, prevent sound from leaking between center 514 and support plate 61, and make sound preferably from sound regulating hole 611 In pass through, enhance the effect of tuning.

Further, referring to Figure 6 together, Figure 10 and Figure 11, as provided by the utility model with acoustic function A kind of specific embodiment of ear casing, the side of center 514 and the respective side of after-frame 512 fit.After the structure can make The side depth of chamber 23 is less than the depth of its other side, which can preferably prevent back cavity 23 from resonating, and avoid door machine The acoustical phase that the sound and phonation unit that structure 40 reflects issue is on the contrary, anti-standing wave.

Further, referring to Figure 6 together, Figure 10 and Figure 11, as provided by the utility model with acoustic function A kind of specific embodiment of ear casing, shell include the front housing 53 covered in front frame 511 and cover in after-frame 512 and front frame 511 Middle shell 54 between after-frame 512.Shell is formed using front housing 53 and middle shell 54, facilitates processing and fabricating, while also ease of assembly.

Further, referring to Figure 6 together, Figure 10 and Figure 11, as provided by the utility model with acoustic function A kind of specific embodiment of ear casing, voicing hole 24 are opened on front housing 53.Specifically, notch can be opened up on front housing 53 531, when front housing 53 covers in front frame 511, above-mentioned voicing hole 24 is formed between the two sides of notch 531 and the two sides of front frame 511, with Facilitate production.

Further, referring to Figure 6 together, Fig. 7 and Figure 11, as the ear provided by the utility model with acoustic function A kind of specific embodiment of casing, the inside of front housing 53 are equipped with supporting case 532, are equipped with audio socket in supporting case 532 534, cover board 535 is stamped on supporting case 532, the position that socket is corresponded on front housing 53 offers the logical of connection audio socket 534 Hole 533.The structure is after phonation unit is installed on the support structure, convenient for connect with audio socket 534, and then can be convenient and Conducting wire is connected.

Further, referring to Figure 6 together, Fig. 7 and Figure 11, as the ear provided by the utility model with acoustic function A kind of specific embodiment of casing is correspondingly provided with the fixed bin 515 of accommodating supporting case 532 on skeleton 51.Fixed bin is set 515, it can accommodating supporting case 532, while can also play a supporting role.

Further, also referring to Fig. 3 and Fig. 4, as the ear casing provided by the utility model with acoustic function A kind of specific embodiment, earmuff 10 includes sponge cover 11, musculus cutaneus 12 and screen cloth 13, sponge cover 11 and main 20 front end of sound shell week Side is connected, and musculus cutaneus 12 is covered on sponge cover 11, to improve the comfort worn.Screen cloth 13 is installed in sponge cover 11, can be with Play dust-proof effect.In addition, 13 place plane of screen cloth favours plane where the front end for leading cylinder record 31, structure design can Standing wave is being reflected to form by screen cloth 13 to avoid sound, it can play the role of anti-standing wave.

Further, it is additionally provided with positioning step 111 in sponge cover 11, to facilitate installation and positioning screen cloth 13.

Further, also referring to Fig. 3, Fig. 4 and Fig. 6, as the ear provided by the utility model with acoustic function A kind of specific embodiment of casing, earmuff 10 further include connection ring 14, and connection ring 14 is connected with the bottom surface of sponge cover 11, connection Ring 14 is connected with the front end of main sound shell 20.It is possible to further the setting buckle 141 in connection ring 14, and in main sound shell 20 Card slot 312 is arranged in front end, can be convenient the front end that connection ring 14 is mounted on to main sound shell 20.Further, in the present embodiment, Card slot 312 is opened up on the connecting plate 311 for leading cylinder record 31, and connection ring 14 is connected with connecting plate 311, it is easy to assembly.

Further, also referring to Fig. 3, Fig. 4 and Fig. 6, as the ear provided by the utility model with acoustic function A kind of specific embodiment of casing, earmuff 10 further include sealed bolster plate 15, and the cooperation of sealed bolster plate 15 is padded on connection ring 14 and master Between 20 front end of sound shell, to increase the leakproofness on 10 periphery of earmuff Yu main 20 periphery of sound shell.In the present embodiment, sealed bolster plate 15 is matched Conjunction is padded between connecting plate 311 and main 20 front end of sound shell, to be preferably sealed.Further, corresponding on sealed bolster plate 15 Impenetrating mouth 151 is offered in the position of buckle 141, so that buckle 141 passes through.

Referring to Fig. 1, the utility model embodiment also discloses a kind of earphone, including phonation unit and tool as described above There is the ear casing of acoustic function, phonation unit is installed in support construction.The earphone has used the above-mentioned ear with acoustic function Casing preferably can carry out Acoustic treatment to the sound that phonation unit issues, and three frequency equalization of sound for issuing earphone is realized Hi-fi effect.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (10)

1. the ear casing with acoustic function including the main sound shell with accommodating cavity and is installed on the ear of the main sound shell front end Cover, is equipped with the support construction for being used to support phonation unit in the accommodating cavity, in the accommodating cavity on front side of the support construction Part be ante-chamber, the part in the accommodating cavity on rear side of the support construction forms back cavity, it is characterised in that: the ante-chamber In cylinder record of leading in front and back penetration state is installed, phonation unit is installed in the rear end for leading cylinder record in the support construction Region, the front end for leading cylinder record are outward extended with connecting plate, and the connecting plate and the main sound shell phase connect, in the ante-chamber in It is described to lead corresponding region on the inside of cylinder record and form inner cavity, in the ante-chamber in it is described lead corresponding region on the outside of cylinder record formed it is outer Chamber.

2. as described in claim 1 with the ear casing of acoustic function, it is characterised in that: the cylinder record of leading is in horn-like, institute The cross-sectional area for stating inner cavity is in flaring shape from the front to the back.

3. as described in claim 1 with the ear casing of acoustic function, it is characterised in that: the front end for leading cylinder record is equipped with Tablet is filtered, the filter tablet covers the front end of the inner cavity.

4. as described in claim 1 with the ear casing of acoustic function, it is characterised in that: the support construction is is installed on The support plate in accommodating cavity is stated, the periphery of the support plate and the main sound shell phase connect, and described lead is corresponded in the support plate The region of the rear end of cylinder record offers opening.

5. as claimed in claim 4 with the ear casing of acoustic function, it is characterised in that: be equipped with and be used in the support plate The sound cover of phonation unit is accommodated and supports, the sound cover covers in the opening, if the front end of the sound cover, which offers, is done sound Hole.

6. the ear casing as described in any one in claim 1-5 with acoustic function, it is characterised in that: the main sound shell includes Rear end offers the base structure of aperture and the cover mechanism being placed in the aperture, forms the accommodating in the base structure Chamber, the base structure are connected with the cylinder record of leading, and the earmuff is installed on the front end of the base structure.

7. as claimed in claim 6 with acoustic function ear casing, it is characterised in that: the base structure include skeleton and The shell being placed on the skeleton, the skeleton include several supports of front frame, after-frame and the connection front frame and the after-frame Rib, the support construction are connected with the ribs, and the aperture is formed in the after-frame, and the skeleton leads cylinder record phase with described Even, the earmuff is installed on the front end of the base structure.

8. as claimed in claim 7 with the ear casing of acoustic function, it is characterised in that: the base structure further includes cooperation Several tone tuning pieces being placed on the outside of the skeleton, and each tone tuning piece is between the after-frame and the front frame.

9. the ear casing as described in any one in claim 1-5 with acoustic function, it is characterised in that: the earmuff include with It the connected sponge cover of the main sound shell front end periphery, the musculus cutaneus being covered on the sponge cover and is installed in the sponge cover Screen cloth, plane where the screen cloth favour plane where the front end for leading cylinder record.

10. earphone, including phonation unit, it is characterised in that: further include that there is acoustics function as claim 1-9 is described in any item The ear casing of energy, the phonation unit are installed in the support construction.