CN208445735U

CN208445735U - Terminal installation

Info

Publication number: CN208445735U
Application number: CN201821302029.5U
Authority: CN
Inventors: 王兴龙; 韩志磊
Original assignee: Goertek Inc
Current assignee: Goertek Inc
Priority date: 2018-08-13
Filing date: 2018-08-13
Publication date: 2019-01-29
Anticipated expiration: 2028-08-13

Abstract

The utility model discloses a kind of terminal installation, and the terminal installation includes protective shell and the sounding device that is mounted in the protective shell, and the sounding device includes vibrational system and magnetic circuit system；The vibrational system includes vibrating diaphragm, and the vibrating diaphragm has first surface and the second surface opposite with first surface；The magnetic circuit system is located at the second surface side of the vibrating diaphragm；The position that the sounding device is connected to the space of the first surface side is equipped with the first vocal hole, and the position that the sounding device is connected to the space of the second surface side is equipped with the second vocal hole；The first terminal acoustic aperture being connected to first vocal hole, and the second terminal acoustic aperture being connected to second vocal hole are offered on the protective shell.The technical solution of the utility model can be realized the Bidirectional sounding function of sounding device.

Description

Terminal installation

Technical field

The utility model relates to speaker technology field, in particular to a kind of terminal installation.

Background technique

Terminal installation (such as: mobile phone, wireless phone, laptop, digital camera, bluetooth headset etc.) it is generally existing Among daily life.For the important component in terminal installation --- for loudspeaker, vibrating diaphragm can be just when work To with reradiation acoustic wave energy.Generally, loudspeaker is only used to the acoustic wave energy of forward direction radiation, and not kind plus benefit With the acoustic wave energy of reradiation.Therefore, existing loudspeaker can only generally realize unidirectional vocal function, this is largely Constrain the application of loudspeaker.

Utility model content

The main purpose of the utility model is to provide a kind of terminal installation, it is intended to realize the Bidirectional sounding function of sounding device Energy.

To achieve the above object, the utility model proposes terminal installation include protective shell and being mounted in the protective shell Sounding device, the sounding device includes vibrational system and magnetic circuit system；

The vibrational system includes vibrating diaphragm, and the vibrating diaphragm has first surface and the second surface opposite with first surface；

The magnetic circuit system is located at the second surface side of the vibrating diaphragm；

The position that the sounding device is connected to the space of the first surface side is equipped with the first vocal hole, the sounding dress It sets the position being connected to the space of the second surface side and is equipped with the second vocal hole；

The first terminal acoustic aperture being connected to first vocal hole is offered on the protective shell, and is sent out with described second The second terminal acoustic aperture of acoustic aperture connection.

Optionally, the sounding device further include:

Shell, accommodating cavity is formed in the shell, and first vocal hole and second vocal hole are provided with described In the cavity wall of accommodating cavity；With

Acoustical generator including the vibrational system and magnetic circuit system, the acoustical generator is placed in the accommodating cavity, described Acoustical generator includes preceding acoustic aperture and rear acoustic aperture, and the preceding acoustic aperture is connected to setting with first vocal hole, it is described after acoustic aperture with it is described The connection setting of second vocal hole.

Optionally, the top surface of the acoustical generator is arranged in the preceding acoustic aperture, and the acoustical generator is arranged in the rear acoustic aperture Bottom surface or side.

Optionally, air guide channel, the air guide are formed between the surface of the acoustical generator and the cavity wall of the accommodating cavity Acoustic aperture and second vocal hole after channel connection is described.

Optionally, the acoustical generator is fixedly connected on the cavity wall around first vocal hole of the accommodating cavity, and institute Acoustic aperture is oppositely arranged with first vocal hole before stating.

Optionally, the cavity wall of the accommodating cavity offers spaced relief hole and second vocal hole, described to allow The side wall in position hole is convexly equipped with connector, and the intensity of the connector is higher than the intensity of plastics, and the connector is along the relief hole Circumferentially extending setting, be formed as first vocal hole on the inside of the connector；

The acoustical generator is fixedly connected on the connector, and the preceding acoustic aperture is oppositely arranged with first vocal hole.

Optionally, the shell includes first shell and second shell, and the first shell is covered on the second shell, And the accommodating cavity is enclosed with the second shell, and the first shell offers first vocal hole, and described second Shell offers second vocal hole.

Optionally, the shell is cuboid-type, and first vocal hole and second vocal hole are oppositely arranged.

Optionally, the first shell and second shell splicing or ultrasonic welding.

Optionally, the sounding device further includes Air Filter, and the Air Filter is set at first vocal hole, and is blocked First vocal hole.

Optionally, the Air Filter is placed in the accommodating cavity, and the Air Filter includes dictyosome and encloses set on the net First frame of external edge, first frame is arranged around first vocal hole, and is fixedly connected on the accommodating cavity Around the cavity wall of first vocal hole, the dictyosome covers first vocal hole, and the acoustical generator surround the preceding sound The surface loop in hole around and be fixedly connected on first frame.

Optionally, the sounding device further includes waterproof and breathable part, and the waterproof and breathable part is set to second vocal hole Place, and block second vocal hole.

Optionally, the waterproof and breathable part includes waterproof ventilative layer and encloses set on the second side of the waterproof ventilative layer outer rim Frame, second frame are arranged around second vocal hole, and the waterproof ventilative layer covers second vocal hole, and described the Two frames are fixedly connected on the cavity wall around second vocal hole of the accommodating cavity, or are fixedly connected on the shell Around the outer surface of second vocal hole；

Alternatively, the waterproof and breathable part is waterproof ventilative layer, the outer rim integrated injection molding of the waterproof ventilative layer is in described the The side wall of two vocal holes.

Optionally, the sounding device further includes adhesive waterproof tape, and the adhesive waterproof tape is set to the surface of the shell, and ring It is arranged around first vocal hole；

And/or two opposite side wall tabulas of first vocal hole are provided with reinforcing rib.

Optionally, the sounding device includes the frame of annular, and the vibrational system is mounted on the first end of the frame, The magnetic circuit system is mounted on the lower section in the frame and being located at the vibrational system, before the first end of the frame is additionally provided with Cover board, the front shroud are equipped with first vocal hole, and the second end of the frame is equipped with back shroud, on the back shroud Equipped with second vocal hole.

Optionally, the protective shell has the front being oppositely arranged, reverse side and the side for connecting obverse and reverse, described First terminal acoustic aperture is set to the front of the protective shell, and the second terminal acoustic aperture is set to the reverse side of the protective shell；Alternatively,

The first terminal acoustic aperture is set to the side of the protective shell, and the second terminal acoustic aperture is set to the protective shell Reverse side；Alternatively,

The first terminal acoustic aperture is set to the front of the protective shell, and the second terminal acoustic aperture is set to the protective shell Side.

The technical solution of the utility model, when sounding device work, the vibrating diaphragm of vibrational system generate vibration and respectively to Positive (the first surface side of vibrating diaphragm) and reversed (the second surface side of vibrating diaphragm) radiative acoustic wave energy.At this point, the sound of positive radiation Wave energy is flowed out by the first vocal hole on sounding device, radiates sounding from the right-side-out of sounding device；Reradiation Acoustic wave energy flowed out by the second vocal hole on sounding device, sent out from the side of sounding device or reverse side to external radiation Sound.In this way, just realizing the Bidirectional sounding function of sounding device, the utilization rate of the acoustic wave energy of sounding device is improved, is widened The application range of sounding device.Also, the sounding device of the utility model is compared to existing double diaphragms most on the market For speaker product, also have structure simple, technology difficulty is low, and the advantages such as reliability height are designed using double diaphragm, the second vibration In the case that film is non-breathable material, the sound wave that the first vibrating diaphragm generates is transmitted to the second vibrating diaphragm and generates vibration and then sounding, due to Second vibrating diaphragm is therefore to generate transmission loss by vibration sounding, and the utility model uses waterproof and breathable part, and sound passes through Its micropore is propagated, and is not likely to produce transmission loss, the excellent phonation characteristics of second direction may be implemented.Wherein, it is sent out to correspond to The Bidirectional sounding function of acoustic device is also provided be connected to the first vocal hole on the protective shell of the utility model terminal installation One terminal acoustic aperture, and the second terminal acoustic aperture being connected to the second vocal hole.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.

Fig. 1 is the structural schematic diagram of one embodiment of the utility model sounding device；

Fig. 2 is the structural schematic diagram at another visual angle of sounding device in Fig. 1；

Fig. 3 is the explosive view of sounding device in Fig. 1；

Fig. 4 is the cutting structural schematic diagram of sounding device in Fig. 1；

Fig. 5 is the structural schematic diagram of another embodiment of the utility model sounding device；

Fig. 6 is the structural schematic diagram of the utility model sounding device another embodiment；

Fig. 7 is the structural schematic diagram of the another embodiment of the utility model sounding device；

Fig. 8 is the structural schematic diagram of one embodiment of the utility model terminal installation.

Drawing reference numeral explanation:

Label	Title	Label	Title
				100	Sounding device	33	First frame
10	Shell	40	Waterproof and breathable part
				10a	Air guide channel	41	Waterproof ventilative layer
11	First shell	43	Second frame
				111	First vocal hole	50	Adhesive waterproof tape
1111	Reinforcing rib	60a	Frame
				113	Shell ontology	60b	Front shroud
115	Connector	60c	Back shroud
				13	Second shell	70	Vibrational system
131	Second vocal hole	80	Magnetic circuit system
				20	Acoustical generator	200	Protective shell
20a	Preceding acoustic aperture	210	First terminal acoustic aperture
				30	Air Filter	230	Second terminal acoustic aperture
31	Dictyosome	300	Terminal installation

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.

It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.

In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the One ", the feature of " second " can explicitly or implicitly include at least one of the features.It is " more in the description of the present invention, It is a " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason Solution, for example, " fixation " may be a fixed connection, may be a detachable connection, or integral；It can be mechanical connection, it can also To be electrical connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with The concrete meaning of above-mentioned term in the present invention is understood as the case may be.

It in addition, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability Based on domain those of ordinary skill can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve The combination of this technical solution is not present, also not within the protection scope of the requires of the utility model.

The utility model proposes a kind of sounding devices 100, it is intended to realize the Bidirectional sounding function of sounding device 100.The hair Acoustic device 100 includes vibrational system 70 and magnetic circuit system 80 (can refer to Fig. 7)；

The vibrational system 70 includes vibrating diaphragm, and the vibrating diaphragm has first surface and second table opposite with first surface Face；

The magnetic circuit system 80 is located at the second surface side of the vibrating diaphragm；

The position that the sounding device 100 is connected to the space of the first surface side is equipped with the first vocal hole 111, described The position that sounding device 100 is connected to the space of the second surface side is equipped with the second vocal hole 131；

Waterproof and breathable part 40 is equipped on second vocal hole 131.

When sounding device 100 works, the vibrating diaphragm of vibrational system 70 generate vibration and respectively to positive (the first table of vibrating diaphragm Surface side) and reversed (the second surface side of vibrating diaphragm) radiative acoustic wave energy.At this point, the acoustic wave energy of positive radiation passes through sounding device The first vocal hole 111 on 100 and flow out, radiate sounding from the right-side-out of sounding device 100；The acoustic wave energy of reradiation By the outflow of the second vocal hole 131 on sounding device 100, from the side of sounding device 100 or reverse side to external radiation sounding. In this way, just realizing the Bidirectional sounding function of sounding device 100, the utilization rate of the acoustic wave energy of sounding device 100 is improved, is opened up The wide application range of sounding device 100.Also, the sounding device 100 of the utility model is most absolutely on the market compared to existing For number Double-vibrating-diaspeaker speaker product, also have structure simple, technology difficulty is low, and the advantages such as reliability height are set using double diaphragm Meter, in the case that the second vibrating diaphragm is non-breathable material, the sound wave that the first vibrating diaphragm generates is transmitted to the second vibrating diaphragm and generates vibration in turn Sounding, since the second vibrating diaphragm is to generate transmission loss by vibration sounding, and the utility model uses waterproof and breathable part 40, sound is propagated by its micropore, is not likely to produce transmission loss, and the excellent phonation characteristics of second direction may be implemented.

The specific structure of the utility model sounding device 100 will be illustrated below.

As shown in Figures 1 to 4, in 100 1 embodiment of the utility model sounding device, the sounding device 100 further include:

Shell 10 is formed with accommodating cavity (not indicating) in the shell 10, first vocal hole 111 and second hair Acoustic aperture 131 is provided in the cavity wall of the accommodating cavity；With

Acoustical generator 20 including the vibrational system and magnetic circuit system, the acoustical generator 20 are placed in the accommodating cavity, The acoustical generator 20 includes preceding acoustic aperture 20a and rear acoustic aperture (not indicating), and the preceding acoustic aperture 20a and first vocal hole 111 connect Logical setting, the rear acoustic aperture are connected to setting with second vocal hole 131.

Specifically, the top surface of the acoustical generator 20 is arranged in the preceding acoustic aperture 20a, and the rear acoustic aperture is arranged in the sounding The bottom surface or side of device 20.In this way, can effectively avoid the positive sound wave of vibrating diaphragm and reversed sound wave interferes with each other, so that sounding device 100 Bidirectional sounding quality is more preferably.

Air guide channel 10a is formed between the surface of the acoustical generator 20 and the cavity wall of the accommodating cavity, the air guide is logical Acoustic aperture and second vocal hole 131 after 10a connection in road is described.In this way, rear acoustic aperture and the second vocal hole 131 not only may make to connect Logical, so that the Bidirectional sounding function of sounding device 100 is easier to realize, and simple structure and convenient processing, assembly are convenient.

In the present embodiment, shell 10 is substantially in cuboid-type, and internal accommodating cavity is also substantially in cuboid-type, the accommodating The roof and bottom wall of chamber offer the first vocal hole 111 and the second vocal hole 131 respectively.Acoustical generator 20 is also substantially in cuboid Type, size is less than the size of accommodating cavity, so that acoustical generator 20 can be placed in accommodating cavity.

It should be understood that offering the preceding acoustic aperture 20a projected for sound wave, the plastics of acoustical generator 20 on the front cover of acoustical generator 20 The rear acoustic aperture for balancing 20 air pressure inside of acoustical generator is offered on shell (certainly, in some other embodiment, for balancing The rear acoustic aperture of 20 air pressure inside of acoustical generator can be also provided on magnetic circuit system).When acoustical generator 20 is placed in accommodating cavity, hair Sound device 20 can both be connected by a snap, and screw connection, be threadedly coupled, and being glued or other reasonable and effective connection types are straight It is connected to the cavity wall of accommodating cavity in succession, to realize fixation, accommodating cavity can also be indirectly coupled to by middleware (such as bracket etc.) Cavity wall, to realize fixation.At this point, the preceding acoustic aperture 20a of acoustical generator 20 is arranged towards the first vocal hole 111, and with first hair Acoustic aperture 111 is connected to.Specific mode of communicating is also possible to either realizing connection by pipelines such as conduits by (acoustical generator 20 ) outer surface around preceding acoustic aperture 20a of front cover fits closely the cavity wall in accommodating cavity around first vocal hole 111, so that The preceding acoustic aperture 20a of acoustical generator 20 is directly connected to the first vocal hole 111.At the same time, hold since the size of acoustical generator 20 is less than The size of chamber is set, can have certain distance between the surface of acoustical generator 20 and the cavity wall of accommodating cavity, to form air guide channel 10a, so that the rear acoustic aperture of acoustical generator 20 is connected to the second vocal hole 131 using air guide channel 10a (certainly, other one In a little embodiments, rear acoustic aperture can be provided with the bottom surface of acoustical generator 20, at this point, between the surface of acoustical generator 20 and the cavity wall of accommodating cavity Without distance also can).

In this way, when sounding device 100 works, the vibrating diaphragm of acoustical generator 20 generate vibration and respectively to it is positive (vibrating diaphragm towards The side of first vocal hole 111) and reversed (vibrating diaphragm is backwards to the side of the first vocal hole 111) radiative acoustic wave energy.At this point, positive The acoustic wave energy of radiation passes through the preceding acoustic aperture 20a on acoustical generator 20 and passes through the first vocal hole on 100 shell 10 of sounding device 111 and flow out, from the right-side-out of sounding device 100 radiate sounding；The acoustic wave energy of reradiation passes through on acoustical generator 20 Afterwards acoustic aperture and flow into the air guide channel 10a in 100 shell 10 of sounding device, later by 100 shell 10 of sounding device Second vocal hole 131 and flow out, from the side of sounding device 100 or reverse side to external radiation sounding.In this way, just realizing sounding dress The Bidirectional sounding function of setting 100, improves the utilization rate of the acoustic wave energy of sounding device 100, has widened answering for sounding device 100 Use range.Also, the sounding device 100 of the utility model compared to existing Double-vibrating-diaspeaker speaker products most on the market and Speech also has structure simple, and technology difficulty is low, and the advantages such as reliability height are designed using double diaphragm, and the second vibrating diaphragm is non-breathable material In the case where material, the sound wave that the first vibrating diaphragm generates is transmitted to the second vibrating diaphragm and generates vibration and then sounding, since the second vibrating diaphragm is logical Vibration sounding is crossed, therefore transmission loss can be generated, and the utility model uses waterproof and breathable part 40, sound is passed by its micropore It broadcasts, is not likely to produce transmission loss, the excellent phonation characteristics of second direction may be implemented.

In 100 1 embodiment of the utility model sounding device, the acoustical generator 20 is fixedly connected on the accommodating cavity Around the cavity wall of first vocal hole 111, and the preceding acoustic aperture 20a is oppositely arranged with first vocal hole 111.

That is, the surface loop around preceding acoustic aperture 20a of acoustical generator 20 is arranged around the first vocal hole 111, and it is fixedly connected on appearance Set the cavity wall around the first vocal hole 111 of chamber.

That is, the outer surface around preceding acoustic aperture 20a of (acoustical generator 20) front cover surround the first vocal hole 111, and fixed It is connected to the cavity wall around the first vocal hole 111 of accommodating cavity.Specifically, front cover and cavity wall can both be connected using splicing, buckle Connect, screw connection or other reasonable and effective modes are directly fixedly connected, (such as sealing ring, can also be led by middleware Solar or lunar halo, frame, bracket etc.) and use is glued, snaps connection, screw connection or other reasonable and effective modes are fixed indirectly Connection.

In this way, the position of acoustic aperture 20a is close with the position of the first vocal hole 111 before can making, the face acoustic aperture 20a before enabling To the first vocal hole 111, so as to so that the acoustic wave energy of positive radiation of acoustical generator 20 is passed through the first vocal hole 111 and to Outer sounding.Also, structure is simple, easily manufactured, and assembly is quick, stability, high reliablity.

As shown in Figures 1 to 4, in 100 1 embodiment of the utility model sounding device, the cavity wall of the accommodating cavity is opened up There are spaced relief hole and second vocal hole 131, the side wall of the relief hole is convexly equipped with connector 115, the company The intensity of fitting 115 is higher than the intensity of plastics, and the connector 115 is arranged along the circumferentially extending of the relief hole, the connection The inside of part 115 is formed as first vocal hole 111；

The acoustical generator 20 is fixedly connected on the connector 115, and the preceding acoustic aperture 20a and first vocal hole 111 are oppositely arranged.

In the present embodiment, the roof of the accommodating cavity inside shell 10 offers relief hole, the accommodating cavity inside shell 10 Bottom wall offers the second vocal hole 131.The side wall of relief hole offers mounting groove, also, mounting groove prolongs along the circumferential direction of relief hole It stretches setting and head and the tail is connected to, to form the mounting groove of annular.At this point, connector 115 is arranged in a ring and has outer rim and inner edge, Connector 115 is arranged around relief hole, also, the outer rim of connector 115 is plugged and is fastened in mounting groove, connector 115 Inner edge is enclosed the first vocal hole 111.It should be noted that 115 outer rim of connector plugs and is fastened in the structure in mounting groove, It can be obtained by integrated injection molding in mould.

At this point, the outer surface around preceding acoustic aperture 20a of (acoustical generator 20) front cover surround the first vocal hole 111, and fixed It is connected to the lower surface around the first vocal hole 111 of connector 115.Specifically, front cover and connector 115, can both use Be glued, snap connection, screw connection or other reasonable and effective modes be directly fixedly connected, middleware (example can also be passed through Such as sealing ring, air-ducting ring, frame, bracket) and using is glued, snaps connection, screw connection or other are rationally and effective square Formula is fixedly connected indirectly.

It is made in addition, rigid material usually can be used in connector 115, for example, steel disc or potsherd, so that its intensity is higher than The intensity of plastics.

In this way, not only can effectively reduce the thickness of 111 side wall of the first vocal hole, the volume of sounding device 100 is reduced, may be used also The setting stability for effectively promoting acoustical generator 20, promotes the structural stability of sounding device 100, promotes the hair of sounding device 100 Acoustic mass.

As shown in Figures 1 to 4, in 100 1 embodiment of the utility model sounding device, the shell 10 includes first shell Body 11 and second shell 13, the first shell 11 is covered on the second shell 13, and encloses shape with the second shell 13 At the accommodating cavity, the first shell 11 offers first vocal hole 111, and the second shell 13 offers described Two vocal holes 131.

In this way, first shell 11 or second shell 13 it is openable or lid close, to enable the accommodating cavity inside shell 10 Appear or hide, and then convenient for the arrangement of wherein each component, arrangement and is connected and fixed.In this way, sounding dress can be promoted greatly 100 production efficiency is set, and promotes its reliability.

Further, the shell 10 is cuboid-type, first vocal hole 111 and 131 phase of the second vocal hole To setting.In this way, not only may make that the structure of sounding device 100 is simpler, processing is more convenient, assembly is more quick, and And it also may make the Bidirectional sounding of sounding device 100 more smooth.

Specifically, first shell 11 and second shell 13 can be used splicing, ultrasonic welding or other are rationally and effective Mode realizes that lid closes connection.

In addition, it should be noted that, as shown in Figure 3 and Figure 4, in the present embodiment, first shell 11 includes 113 He of shell ontology Connector 115, shell ontology 113 is covered on second shell 13, and is enclosed the accommodating cavity with second shell 13.At this point, shell The inner surface positioned at top of ontology 113 offers the relief hole through the shell ontology 113, and the side wall of relief hole offers installation Slot, also, circumferentially extending setting and head and the tail of the mounting groove along relief hole are connected to, to form the mounting groove of annular.At this point, connector 115 are arranged in a ring and have outer rim and inner edge, and connector 115 is arranged around relief hole, also, the outer rim of connector 115 is inserted And if be fastened in mounting groove, the inner edge of connector 115 is enclosed the first vocal hole 111.

As shown in Figures 1 to 4, in 100 1 embodiment of the utility model sounding device, the sounding device 100 is also wrapped Air Filter 30 is included, the Air Filter 30 is set at first vocal hole 111, and blocks first vocal hole 111.

It should be noted that Air Filter 30 can be set on the outer surface of shell 10.Specifically, the outer rim of Air Filter 30 It is arranged around the first vocal hole 111, and is fixedly connected on the outer surface around the first vocal hole 111 of shell 10, at this point, dust-proof The middle part of net 30 covers the first vocal hole 111 from outside, to play proofing dust and protecting and adjust 111 acoustical behavior of the first vocal hole Effect.In addition, the outer rim of Air Filter 30 and the outer surface of shell 10 are fixedly connected, it both can be directly real by the way of being glued It is existing, it can also be realized indirectly by middlewares such as frame, sealing rings and using splicing or other reasonable and effective modes.

Similarly, Air Filter 30 also can be set on the inner surface of shell 10, that is, be arranged in the cavity wall of accommodating cavity.Tool Body, circular first vocal hole 111 of the outer rim of Air Filter 30 is arranged, and is fixedly connected on circular first vocal hole of accommodating cavity 111 cavity wall (that is, the inner surface around the first vocal hole 111 for being fixedly connected on shell 10), at this point, the middle part of Air Filter 30 The first vocal hole 111 is covered from inside, to play the role of proofing dust and protecting and adjust 111 acoustical behavior of the first vocal hole.In addition, The cavity wall of the outer rim and accommodating cavity of Air Filter 30 is fixedly connected, and can be both directly realized by, and can also led to by the way of being glued It crosses the middlewares such as frame, sealing ring and is realized indirectly using splicing or other reasonable and effective modes.

In addition, Air Filter 30 can also be arranged in the first vocal hole 111.Specifically, the outer rim of Air Filter 30 is around the The setting of one vocal hole 111, and is fixedly connected on the side wall of the first vocal hole 111, at this point, the middle part of Air Filter 30 is from the first sounding The first vocal hole 111 is blocked in hole 111, to play the role of proofing dust and protecting and adjust 111 acoustical behavior of the first vocal hole.This Outside, the outer rim of Air Filter 30 and the side wall of the first vocal hole 111 are fixedly connected, can be straight by the way of integrated injection molding Connect realization (as shown in Figure 5).

In addition, the Air Filter 30 in the present embodiment, can both select conventional dust-proof screen cloth, and can also select water-proof function Dust-proof screen cloth.

As shown in Figures 1 to 4, in 100 1 embodiment of the utility model sounding device, the Air Filter 30 is placed in institute It states in accommodating cavity, the Air Filter 30 is including dictyosome 31 and encloses the first frame 33 set on 31 outer rim of dictyosome, and described first Circular first vocal hole 111 of frame 33 is arranged, and is fixedly connected on circular first vocal hole 111 of the accommodating cavity Cavity wall, the dictyosome 31 covers first vocal hole 111, the surface around the preceding acoustic aperture 20a of the acoustical generator 20 It surround and is fixedly connected on first frame 33.

Specifically, the first frame 33 is waterproof washer, further can be waterproof foam, the first frame 33 bonding or note It moulds in the edge of dictyosome 31, then the first frame 33 is adhesively fixed with the one side at 31 edge of dictyosome and the cavity wall of accommodating cavity, another Face and the surface of acoustical generator 20 are adhesively fixed.Acoustical generator 20 and shell 10 may be implemented after being extruded in flexible waterproof foam Between better waterproof sealing effect.

So setting, is not only simple in structure, easily manufactured, and assembly is quick, stability, high reliablity, and Air Filter 30 are located in accommodating cavity, are not easy to be destroyed, durability is good.

In addition, the dictyosome 31 in the present embodiment, can both select conventional dust-proof screen cloth, and can also select water-proof function Dust-proof screen cloth.

As shown in Figures 1 to 4, in 100 1 embodiment of the utility model sounding device, the sounding device 100 is also wrapped Waterproof and breathable part 40 is included, the waterproof and breathable part 40 is set at second vocal hole 131, and blocks second vocal hole 131。

It should be noted that waterproof and breathable part 40 can be set on the outer surface of shell 10.Specifically, waterproof and breathable part 40 outer rim is arranged around the second vocal hole 131, and is fixedly connected on the outer surface around the second vocal hole 131 of shell 10, At this point, the middle part of waterproof and breathable part 40 covers the second vocal hole 131 from outside, to play waterproof and breathable and adjust the second vocal hole The effect of 131 acoustical behavioies.In addition, being fixedly connected for the outer rim of waterproof and breathable part 40 and the outer surface of shell 10, can both adopt It is directly realized by with the mode of splicing, the middlewares such as frame, sealing ring can also be passed through and use is glued or other are rationally and effective Mode realize indirectly.

Similarly, waterproof and breathable part 40 also can be set on the inner surface of shell 10, that is, the cavity wall of accommodating cavity is arranged in On.Specifically, the outer rim of waterproof and breathable part 40 is arranged around the second vocal hole 131, and be fixedly connected on accommodating cavity around the The cavity wall (that is, the inner surface around the second vocal hole 131 for being fixedly connected on shell 10) of two vocal holes 131, at this point, waterproof is saturating The middle part of gas part 40 covers the second vocal hole 131 from inside, to play waterproof and breathable and adjust 131 acoustical behavior of the second vocal hole Effect.In addition, the outer rim of waterproof and breathable part 40 and the cavity wall of accommodating cavity are fixedly connected, it both can be straight by the way of being glued Realization is connect, can also be realized indirectly by middlewares such as frame, sealing rings and using splicing or other reasonable and effective modes.

In addition, waterproof and breathable part 40 can also be arranged in the second vocal hole 131.Specifically, waterproof and breathable part 40 is outer Edge is arranged around the second vocal hole 131, and is fixedly connected on the side wall of the second vocal hole 131, at this point, in waterproof and breathable part 40 Portion blocks the second vocal hole 131 from the second vocal hole 131, to play waterproof and breathable and adjust 131 acoustics of the second vocal hole The effect of energy.In addition, the outer rim of waterproof and breathable part 40 and the side wall of the second vocal hole 131 are fixedly connected, it can be using one The mode of injection molding is directly realized by (as shown in Figure 5).

In addition, the waterproof and breathable part 40 in the present embodiment, both can directly select waterproof ventilative layer 41, can also select anti- Water air-permeable layer 41 simultaneously carries the structure of frame in its outer rim.Wherein, waterproof ventilative layer 41 both can be only saturating comprising one layer of waterproof The single layer structure of air film, or including at least the multi-layer compound structure of waterproof ventilated membrane and screen cloth.The waterproof ventilated membrane was both It can be polytetrafluoroethylene (PTFE) waterproof ventilated membrane (EPTFE film), thermoplastic polyurethane waterproof ventilated membrane (TPU film), poly- ammonia Ester waterproof ventilated membrane (PU film) or other waterproof ventilated membranes.The screen cloth can be the anti-bonded non-woven fabrics of PP or other screen cloths.

It should be understood that for the ease of the assembly of waterproof and breathable part 40, and the setting stability of waterproof and breathable part 40 is promoted, The waterproof and breathable part 40 includes waterproof ventilative layer 41 and encloses the second frame 43 set on 41 outer rim of waterproof ventilative layer, described Second frame 43 is arranged around second vocal hole 131, and the waterproof ventilative layer 41 covers second vocal hole 131, institute The cavity wall around second vocal hole 131 that the second frame 43 is fixedly connected on the accommodating cavity is stated, or is fixedly connected on The outer surface around second vocal hole 131 of the shell 10.Specifically, the second frame 43 is waterproof washer, further Ground can be waterproof foam, the second frame 43 bonding or be molded in the edge of waterproof ventilative layer 41, then the second frame 43 with it is anti- Circular second vocal hole 131 of splicing or other reasonable and effective modes and accommodating cavity can be used in the edge of water air-permeable layer 41 Cavity wall is fixedly connected, or is fixedly connected with the outer surface around the second vocal hole 131 of shell 10.

As shown in Figures 1 to 4, in 100 1 embodiment of the utility model sounding device, the second frame 43 is fixedly connected on The outer surface around the second vocal hole 131 of shell 10, is so arranged, is not only simple in structure, easily manufactured, and assembly is quick, Stability, high reliablity.

As shown in Figures 1 to 4, practical new using this in order to be promoted in 100 1 embodiment of the utility model sounding device Leakproofness of the product of type sounding device 100 around the first vocal hole 111, the sounding device 100 further includes adhesive waterproof tape 50, the adhesive waterproof tape 50 is set to the surface of the shell 10, and is arranged around first vocal hole 111.

As shown in fig. 6, the two of first vocal hole 111 are opposite in 100 1 embodiment of the utility model sounding device Side wall tabula be provided with reinforcing rib 1111.In this way, the middle part of Air Filter 30 is fixedly attached to reinforcing rib 1111, so that It is arranged stability and is enhanced, and then Air Filter 30 is avoided to be vibrated by airflow influence.

As shown in fig. 7, the sounding device 100 includes annular in 100 1 embodiment of the utility model sounding device Frame 60a, the vibrational system 70 are mounted on the first end of the frame 60a, and the magnetic circuit system 80 is mounted on the frame Lower section in 60a and positioned at the vibrational system 70, the first end of the frame 60a are additionally provided with front shroud 60b, the front shroud 60b is equipped with first vocal hole 111, and the second end of the frame 60a is equipped with back shroud 60c, on the back shroud 60c Equipped with second vocal hole 131.

In addition, the sounding device 100 further includes Air Filter 30 and waterproof and breathable part 40, the waterproof in the present embodiment Air-permeable member 40 is set at second vocal hole 131, and blocks second vocal hole 131, and the Air Filter 30 is set to described At first vocal hole 111, and block first vocal hole 111.

In addition, it should be noted that, the shape of shell 10 can be configured according to the actual situation, such as it is set as cuboid Type, square figure, cylinder type or other abnormity.

The shape of first vocal hole 111 and the shape of the second vocal hole 131 can also be configured according to the actual situation, Such as be provided in round, rectangle, square or other abnormity.

As shown in figure 8, the utility model also proposes a kind of terminal installation 300, which includes protective shell 200 With the foregoing sounding device 100 being mounted in the protective shell 200, the specific structure of the sounding device 100 is referring to before State embodiment.Since this terminal installation 300 uses whole technical solutions of aforementioned all embodiments, at least have aforementioned All beneficial effects brought by whole technical solutions of all embodiments, this is no longer going to repeat them.Wherein, it is sent out to correspond to The Bidirectional sounding function of acoustic device 100, offers on the protective shell 200 of the utility model terminal installation 300 and first hair The first terminal acoustic aperture 210 that acoustic aperture 111 is connected to, and the second terminal acoustic aperture 230 being connected to second vocal hole 131.

Specifically, the protective shell 200 has the front being oppositely arranged, reverse side and the side for connecting obverse and reverse, The first terminal acoustic aperture 210 is set to the front of the protective shell 200, and the second terminal acoustic aperture 230 is set to the protective shell 200 reverse side (as shown in Figure 8)；Alternatively,

The first terminal acoustic aperture 210 is set to the side of the protective shell 200, and the second terminal acoustic aperture 230 is set to institute State the reverse side (not shown) of protective shell 200；Alternatively,

The first terminal acoustic aperture 210 is set to the front of the protective shell 200, and the second terminal acoustic aperture 230 is set to institute State the side (not shown) of protective shell 200.

The terminal installation 300 can be mobile phone, wireless phone, laptop, digital camera, bluetooth headset, plate electricity Brain, MP3, MP4 or other terminal installations 300.

The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims

1. a kind of terminal installation, which is characterized in that including protective shell and the sounding device being mounted in the protective shell, the hair Acoustic device includes vibrational system and magnetic circuit system；

The position that the sounding device is connected to the space of the first surface side be equipped with the first vocal hole, the sounding device with The position of the space connection of the second surface side is equipped with the second vocal hole；

Offer the first terminal acoustic aperture being connected to first vocal hole on the protective shell, and with second vocal hole The second terminal acoustic aperture of connection.

2. terminal installation as described in claim 1, which is characterized in that the sounding device further include:

Shell is formed with accommodating cavity in the shell, and first vocal hole and second vocal hole are provided with the accommodating In the cavity wall of chamber；With

Acoustical generator including the vibrational system and magnetic circuit system, the acoustical generator are placed in the accommodating cavity, the sounding Device includes preceding acoustic aperture and rear acoustic aperture, and the preceding acoustic aperture is connected to setting, the rear acoustic aperture and described second with first vocal hole Vocal hole connection setting.

3. terminal installation as claimed in claim 2, which is characterized in that the top surface of the acoustical generator is arranged in the preceding acoustic aperture, The bottom surface or side of the acoustical generator is arranged in acoustic aperture after described.

4. terminal installation as claimed in claim 2, which is characterized in that the cavity wall on the surface of the acoustical generator and the accommodating cavity Between be formed with air guide channel, acoustic aperture and second vocal hole after the air guide channel connection is described.

5. terminal installation as claimed in claim 2, which is characterized in that the acoustical generator is fixedly connected on the ring of the accommodating cavity Around the cavity wall of first vocal hole, and the preceding acoustic aperture is oppositely arranged with first vocal hole.

6. terminal installation as claimed in claim 2, which is characterized in that the cavity wall of the accommodating cavity offers spaced allow Position hole and second vocal hole, the side wall of the relief hole are convexly equipped with connector, and the intensity of the connector is higher than plastics Intensity, the connector are arranged along the circumferentially extending of the relief hole, are formed as first sounding on the inside of the connector Hole；

7. terminal installation as claimed in claim 2, which is characterized in that the shell includes first shell and second shell, institute It states first shell and is covered on the second shell, and be enclosed the accommodating cavity, the first shell with the second shell First vocal hole is offered, the second shell offers second vocal hole.

8. terminal installation as claimed in claim 7, which is characterized in that the shell is cuboid-type, first vocal hole It is oppositely arranged with second vocal hole.

9. terminal installation as claimed in claim 7, which is characterized in that the first shell and the second shell are glued or are surpassed Sonic soldering connects.

10. the terminal installation as described in any one of claim 2 to 9, which is characterized in that the sounding device further includes dust-proof Net, the Air Filter is set at first vocal hole, and blocks first vocal hole.

11. terminal installation as claimed in claim 10, which is characterized in that the Air Filter is placed in the accommodating cavity, institute It states Air Filter to include dictyosome and enclose the first frame set on the dictyosome outer rim, first frame is around first vocal hole Setting, and it is fixedly connected on the cavity wall around first vocal hole of the accommodating cavity, dictyosome capping first hair Acoustic aperture, the acoustical generator around the preceding acoustic aperture surface loop around and be fixedly connected on first frame.

12. the terminal installation as described in any one of claim 2 to 9, which is characterized in that the sounding device further includes waterproof Air-permeable member, the waterproof and breathable part is set at second vocal hole, and blocks second vocal hole.

13. terminal installation as claimed in claim 12, which is characterized in that the waterproof and breathable part includes waterproof ventilative layer and encloses Set on the second frame of the waterproof ventilative layer outer rim, second frame is arranged around second vocal hole, the waterproof Air-permeable layer covers second vocal hole, and second frame is fixedly connected on circular second vocal hole of the accommodating cavity Cavity wall, or be fixedly connected on the shell around second vocal hole outer surface；

Alternatively, the waterproof and breathable part is waterproof ventilative layer, the outer rim integrated injection molding of the waterproof ventilative layer is in second hair The side wall of acoustic aperture.

14. the terminal installation as described in any one of claim 2 to 9, which is characterized in that the sounding device further includes waterproof Adhesive tape, the adhesive waterproof tape is set to the surface of the shell, and is arranged around first vocal hole；

15. terminal installation as described in claim 1, which is characterized in that the sounding device includes the frame of annular, the vibration Dynamic system is mounted on the first end of the frame, and the magnetic circuit system is mounted in the frame and is located at the vibrational system Lower section, the first end of the frame are additionally provided with front shroud, and the front shroud is equipped with first vocal hole, and the of the frame Two ends are equipped with back shroud, and the back shroud is equipped with second vocal hole.

16. terminal installation as described in claim 1, which is characterized in that the protective shell has the front being oppositely arranged, reverse side And the side of connection obverse and reverse, the first terminal acoustic aperture are set to the front of the protective shell, the second terminal sound Hole is set to the reverse side of the protective shell；Alternatively,

The first terminal acoustic aperture is set to the side of the protective shell, and the second terminal acoustic aperture is set to the anti-of the protective shell Face；Alternatively,

The first terminal acoustic aperture is set to the front of the protective shell, and the second terminal acoustic aperture is set to the side of the protective shell Face.