CN209017293U - Sounding device - Google Patents

Abstract

The utility model discloses a kind of sounding device, sounding device includes the vibrational system that the shell is fixed in shell and receiving, the vibrational system includes combined vibrating diaphragm, centring disk and voice coil, the shell includes the stationary plane being adhesively fixed with the centring disk, the lateral surface setting of the laterally protruding centring disk of stationary plane.Technical solutions of the utility model can be avoided between shell and centring disk that air-tightness occur bad.

Description

Sounding device

Technical field

The utility model relates to sound energy switch technology field, in particular to a kind of sounding devices.

Background technique

In general, being to carry out be bonded, and the outside of shell by jelly between the shell of sounding device and centring disk What the lateral surface of face and centring disk was generally flush with, when extruding of the jelly by centring disk, it is outside that part jelly overflows cocurrent The lateral surface of shell, the reduction of jelly, which is be easy to cause between centring disk and shell, to be connected not closely, and then leads to gas between the two Close property is bad.

Utility model content

The main purpose of the utility model is to propose a kind of sounding device, it is intended to avoid occurring between shell and centring disk Air-tightness is bad.

To achieve the above object, the utility model proposes sounding device include shell and receiving be fixed on the shell Vibrational system, the vibrational system include combined vibrating diaphragm, centring disk and voice coil, the shell include with it is described fixed The stationary plane that heart branch piece is adhesively fixed, the lateral surface setting of the laterally protruding centring disk of stationary plane.

Optionally, the shell includes shell ontology and annular convex, and the shell ontology is fixed in the vibrational system receiving, The annular convex is set to one end close to the centring disk of the shell ontology, and along the circumferentially extending of the shell ontology, The flush towards the centring disk on the surface towards the centring disk of the annular convex and, the shell ontology And collectively form the stationary plane.

Optionally, the centring disk includes outer fixing portion, interior fixed part and cantilever, the outer fixing portion it is annular in shape and between Spacer ring is wound on the periphery of the interior fixed part, and the outer fixing portion is Nian Jie with the stationary plane, and the cantilever is separately connected institute State interior fixed part and the outer fixing portion.

Optionally, the interior fixed part is arranged in the cyclic annular of middle opening.

Optionally, the internal perisporium of the interior fixed part be equipped with two first pads, two first pads respectively with institute State voice coil electric connection.

Optionally, two first pads are divided into the two opposite sides of the interior fixed part.

Optionally, the centring disk includes multiple cantilevers, circumferential direction of multiple cantilevers along the outer fixing portion It is intervally arranged.

Optionally, the cantilever is in long strip along the circumferentially extending of the outer fixing portion, and one end of the cantilever with The outer fixing portion connection, the other end are connect with the interior fixed part.

Optionally, the outer fixing portion is equipped with the second pad, and the stationary plane is equipped with third pad, second weldering Disk is corresponding with the third pad locations and is electrically connected.

Optionally, the viscous side away from the shell set on the centring disk of the vibrating diaphragm.

In the utility model, since the lateral surface of the laterally protruding centring disk of the stationary plane of shell is arranged, then in centering branch When the stationary plane of piece and shell is bonded, extra colloid overflows outwardly, and the part of stationary plane being emerging in outside centring disk is accepted The colloid of the spilling avoids colloid and flows directly into the lateral surface of shell and lead to glue between shell and the lateral border of centring disk The bad problem of the very few caused air-tightness of body.In the utility model, the colloid of spilling is deposited in the lateral surface of centring disk It is avoided airtight between centring disk and shell with the junction of stationary plane to ensure that the bonding reliability of the junction The bad problem of property.

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 cut-away illustration of one embodiment of the utility model sounding device；

Fig. 2 is the enlarged drawing in Fig. 1 at A；

Fig. 3 is the structural schematic diagram of centring disk in Fig. 1；

Fig. 4 is the structural schematic diagram of shell in Fig. 1.

Drawing reference numeral explanation:

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 if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding, Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture) Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.

In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one A this feature.In addition, the meaning of the "and/or" occurred in full text is, including three schemes arranged side by side, by " A and/or B for ", The scheme met simultaneously including A scheme or B scheme or A and B.In addition, the technical solution between each embodiment can be mutual In conjunction with, but must be based on can be realized by those of ordinary skill in the art, when mutual lance occurs in the combination of technical solution Shield or cannot achieve when, will be understood that the combination of this technical solution is not present, also not in the protection scope of the requires of the utility model Within.

The utility model proposes a kind of sounding device, which can be loudspeaker monomer, loudspeaker mould group or end End equipment, terminal device can be earphone or mobile phone etc..

In the utility model embodiment, as depicted in figs. 1 and 2, which includes vibrational system and magnetic circuit system, Vibrational system includes combined vibrating diaphragm 20, voice coil 40 and centring disk 30, and vibrating diaphragm 20 includes interior fixed part, around interior The ring portion of fixed part setting and the fixed part being arranged around ring portion, vibrating diaphragm 20 can also include being incorporated into interior fixed part Composite layer.Magnetic circuit system includes conductive magnetic yoke 50, and conductive magnetic yoke 50 is equipped with internal magnetic circuit part 60 and exterior portion 70, between the two The magnetic gap for accommodating voice coil 40 is formed, voice coil 40 is located at the side towards magnetic circuit system of vibrating diaphragm 20, and fixed with vibrating diaphragm 20, and Voice coil 40 and centring disk 30 are electrically connected.Wherein, in a kind of situation, internal magnetic circuit part 60 includes set on the center of conductive magnetic yoke 50 The centring magnet 61 of position and the center magnetic conductive board 62 on centring magnet 61, exterior portion 70 include being set to conductive magnetic yoke 50 Marginal position while magnet 71 and set on while magnet 71 on side magnetic conductive board 72.Sounding device may also include auxiliary system, auxiliary Auxiliary system includes shell 10, and shell 10 is for accommodating fixed vibrational system and magnetic circuit system.In addition, before auxiliary system may also include Lid (not shown go out), front cover is incorporated into the top of shell 10, and front cover and shell 10 enclose protect-ing frame structure.Certainly, in some feelings Under condition, sounding device also may not include front cover.

Specifically, shell 10 includes the stationary plane 101 being adhesively fixed with centring disk 30, and stationary plane 101 is laterally protruding fixed The lateral surface of heart branch piece 30 is arranged, that is, the peripheral dimension of stationary plane 101 is greater than the peripheral dimension of centring disk 30, And projection of the centring disk 30 on stationary plane 101 is located in the outer peripheral edge of stationary plane 101.

In the utility model, due to the lateral surface setting of the laterally protruding centring disk 30 of stationary plane 101 of shell 10, then exist When the stationary plane 101 of centring disk 30 and shell 10 is bonded, extra colloid overflows outwardly, and stationary plane 101 is emerging in centering The colloid of the spilling is accepted in part outside branch piece 30, avoids colloid and flows directly into the lateral surface of shell 10 and lead to 10 He of shell The bad problem of the very few caused air-tightness of colloid between the lateral border of centring disk 30.In the utility model, the glue of spilling Body is deposited in the lateral surface of centring disk 30 and the junction of stationary plane 101, thus ensure that the bonding reliability of the junction, Avoid the problem that air-tightness is bad between centring disk 30 and shell 10.

In the present embodiment, shell 10 includes shell ontology 11 and annular convex 12, and shell ontology 11 is substantially annular in shape, such as Fang Huan Shape either annular shape etc., specifically depending on the shape of sounding device.Exterior portion 70 and shell ontology 11 are fixed, vibrational system Shell ontology 11 is fixed in receiving.Annular convex 12 is set to one end of the close centring disk 30 of shell ontology 11, and around shell ontology 11 circumferential setting, the table towards centring disk 30 on the surface towards centring disk 30 of annular convex 12 and, shell ontology 11 Face is concordant and collectively forms stationary plane 101.In the present embodiment, the outer diameter of one end equipped with annular convex 12 of shell 10 is larger, It enables to stationary plane 101 that there is biggish area, realizes better adhesive effect；The outer diameter of 10 other end of shell is smaller, has Conducive to saving material.In addition, in other embodiments, shell 10 can also the lateral surface of whole all laterally protruding centring disk 30 set It sets, i.e. the outer diameter of shell 10 everywhere is identical.

Referring to Figure 3, centring disk 30 is in similar rectangular laminated structure in the present embodiment, and specifically, centering branch Piece 30 includes outer fixing portion 31, interior fixed part 32 and cantilever 33, and outer fixing portion 31 is annular in shape and interval is looped around interior fixed part 32 Periphery, and outer fixing portion 31 is Nian Jie with stationary plane 101, and cantilever 33 is separately connected interior fixed part 32 and outer fixing portion 31.This is fixed Heart branch piece 30 and voice coil 40 are fixed, and centring disk 30 is used to support voice coil 40, guarantees it vertically without toppling over.In addition, vibrating diaphragm The 20 viscous sides away from shell 10 set on centring disk 30.Optionally, interior fixed part 32 is arranged in the cyclic annular of middle opening, such as This can reduce the weight of interior fixed part 32.

In the present embodiment, the internal perisporium of interior fixed part 32 is equipped with two first pads 34, two first pads 34 respectively with Voice coil 40 is electrically connected, one of them first pad 34 is positive first pad 34, another first pad 34 is cathode first Pad 34.Optionally, two first pads 34 are divided into the two opposite sides of interior fixed part 32, to can avoid between different conducting wires Staggeredly.Certainly, two the first pads 34 can also be set to the positions such as the same side of interior fixed part 32.

It preferably being connected between interior fixed part 32 and outer fixing portion 31 to realize, centring disk 30 includes multiple cantilevers 33, Circumferentially-spaced arrangement of multiple cantilevers 33 along outer fixing portion 31.For example, in some embodiments, centring disk 30 includes four outstanding Arm 33, and a cantilever 33 is equipped on each side of interior fixed part 32.Certainly, on each side of interior fixed part 32 also Two or more settable cantilever 33.Optionally, cantilever 33 is in long strip along the circumferentially extending of outer fixing portion 31, and outstanding One end of arm 33 is connect with outer fixing portion 31, and the other end is connect with interior fixed part 32, can increase centring disk by being arranged such 30 surface area, so that it is more preferably contacted with vibrating diaphragm 20.

Incorporated by reference to reference Fig. 3 and Fig. 4, further, outer fixing portion 31 is equipped with the second pad 35, sets on stationary plane 101 There is third pad 13, the second pad 35 is corresponding with 13 position of third pad and is electrically connected, and such voice coil 40 passes through centring disk 30 It is electrically connected with shell 10 with external circuitry.Generally, two second pads 35 are equipped on outer fixing portion 31, on stationary plane 101 Equipped with two third pads 13, two second pads 35 are arranged in a one-to-one correspondence with two third pads 13.In addition, two third pads 13 set up separately In two corners of stationary plane 101.

The above is only the preferred embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, all Under the inventive concept of the utility model, equivalent structure transformation made based on the specification and figures of the utility model, or Directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (10)

1. a kind of sounding device, which is characterized in that be fixed on the vibrational system of the shell, the vibration including shell and receiving System includes combined vibrating diaphragm, centring disk and voice coil, and the shell includes being adhesively fixed with the centring disk Stationary plane, the lateral surface setting of the laterally protruding centring disk of stationary plane.

2. sounding device according to claim 1, which is characterized in that the shell includes shell ontology and annular convex, institute It states vibrational system receiving and is fixed on the shell ontology, the annular convex is set to the close centring disk of the shell ontology One end, and along the circumferentially extending of the shell ontology, the surface towards the centring disk of the annular convex and, the shell sheet Body towards the centring disk flush and collectively form the stationary plane.

3. sounding device according to claim 1, which is characterized in that the centring disk includes outer fixing portion, interior fixation Portion and cantilever, the outer fixing portion is annular in shape and is spaced the periphery for being looped around the interior fixed part, and the outer fixing portion and institute Stationary plane bonding is stated, the cantilever is separately connected the interior fixed part and the outer fixing portion.

4. sounding device according to claim 3, which is characterized in that the interior fixed part is set in the ring-type of middle opening It sets.

5. sounding device according to claim 4, which is characterized in that the internal perisporium of the interior fixed part is equipped with two first Pad, two first pads are electrically connected with the voice coil respectively.

6. sounding device according to claim 5, which is characterized in that two first pads are divided into the interior fixed part Two opposite sides.

7. sounding device according to claim 3, which is characterized in that the centring disk includes multiple cantilevers, more Circumferentially-spaced arrangement of a cantilever along the outer fixing portion.

8. sounding device according to claim 3, which is characterized in that circumferentially extending of the cantilever along the outer fixing portion And it is in long strip, and one end of the cantilever is connect with the outer fixing portion, the other end is connect with the interior fixed part.

9. sounding device according to claim 3, which is characterized in that the outer fixing portion is equipped with the second pad, described Stationary plane is equipped with third pad, and second pad is corresponding with the third pad locations and is electrically connected.

10. according to claim 1 to sounding device described in 9 any one, which is characterized in that the vibrating diaphragm is viscous set on described fixed The side away from the shell of heart branch piece.