CN209105434U

CN209105434U - Loudspeaker mould group

Info

Publication number: CN209105434U
Application number: CN201821951239.7U
Authority: CN
Inventors: 谭飞; 王景伟; 刘磊
Original assignee: Goertek Inc
Current assignee: Goertek Inc
Priority date: 2018-11-23
Filing date: 2018-11-23
Publication date: 2019-07-12
Anticipated expiration: 2028-11-23
Also published as: WO2020103303A1

Abstract

The utility model discloses a kind of loudspeaker mould group, and loudspeaker mould group includes: shell, has an accommodating chamber；Loudspeaker monomer is set in the accommodating chamber, and by the accommodating chamber every being set as the preceding operatic tunes and the rear operatic tunes, the shell is equipped with acoustic aperture, and the preceding operatic tunes is connected to the acoustic aperture out；Frame is isolated, will it is described after the operatic tunes every being set as the first back cavity and the second back cavity, the loudspeaker monomer is located at first back cavity, second back cavity is filled with sound-absorbing particle, the isolation frame has the both side edges being oppositely arranged, and each lateral margin is equipped with connection wall, and the connection wall is equipped with limited wall, the limited wall with it is described be isolated frame interval setting and form limiting slot, the opening of the limiting slot on two lateral margins is opposite；And separation net, two opposite sides correspond and are fastened in two limiting slots.The fixation that technical solutions of the utility model can facilitate separation net and be isolated between frame, avoids the raising of production cost.

Description

Loudspeaker mould group

Technical field

The utility model relates to sound energy switch technology field, in particular to a kind of loudspeaker mould group.

Background technique

Loudspeaker mould group belongs to the important acoustic element of electronic equipment, for completing electricity as a kind of energy conversion device Conversion between signal and voice signal.In general, loudspeaker mould group includes shell, loudspeaker monomer, loudspeaking are contained in shell Entire mould group inner cavity is separated into two cavitys of the preceding operatic tunes and the rear operatic tunes by device monomer.In order to reduce mould group low frequency, spread bandwidth, Sound-absorbing particle can be filled in the operatic tunes afterwards, and in order to avoid sound-absorbing particle enters in loudspeaker monomer, isolation is equipped in the rear operatic tunes Component, barrier assembly keep apart sound-absorbing particle with loudspeaker monomer.Generally, barrier assembly includes isolation frame and isolation Net, separation net with frame integrated injection molding is isolated, in order to avoid block separation net mesh, therefore separation net as inserts and With the process is more complicated when being isolated frame injection molding, cause die cost higher.

Utility model content

The main purpose of the utility model is to propose a kind of loudspeaker mould group, it is intended to be facilitated between separation net and isolation frame It is fixed, avoid the raising of production cost.

To achieve the above object, the utility model proposes loudspeaker mould group, comprising:

Shell has an accommodating chamber；

Loudspeaker monomer is set in the accommodating chamber, and by the accommodating chamber every being set as the preceding operatic tunes and the rear operatic tunes, described outer Shell is equipped with acoustic aperture, and the preceding operatic tunes is connected to the acoustic aperture out；

Frame is isolated, will it is described after the operatic tunes every being set as the first back cavity and the second back cavity, the loudspeaker monomer is located at described the One back cavity, second back cavity are filled with sound-absorbing particle, and the isolation frame has the both side edges being oppositely arranged, each lateral margin It is equipped with connection wall, the connection wall is equipped with limited wall, and with described the setting of frame interval is isolated and formation limit in the limited wall The opening of slot, the limiting slot on two lateral margins is opposite；And

Separation net, two opposite sides correspond and are fastened in two limiting slots.

Optionally, the limited wall and the connection wall extend to the opposite other end from one end of the lateral margin.

Optionally, the connection wall includes multiple connection straps, and multiple connection straps are between the extending direction of the lateral margin Every setting, the limited wall includes multiple positive stop strips, and a positive stop strip is equipped on each connection strap.

Optionally, one end of the separate connection wall of the limited wall and the inside casing wall that frame is isolated are concordant.

Optionally, the isolation frame is metalwork, and frame integrally bending is isolated by described with the limited wall in the connection wall It is formed.

Optionally, the inner wall of the shell is equipped with slot, and the isolation frame inserting is fixed in the slot.

Optionally, the shell includes upper casing and lower casing, and the upper casing and the lower casing are enclosed the accommodating chamber, institute It states loudspeaker monomer and the upper casing surrounds the preceding operatic tunes jointly, the loudspeaker monomer, the lower casing and the upper casing are total It is same to be enclosed the rear operatic tunes；

The slot includes the first slot on the upper casing, and the isolation frame is plugged in first slot.

Optionally, the upper casing includes bottom wall and peripheral wall, and the bottom wall is oppositely arranged with the lower casing, and the peripheral wall, which encloses, to be set In the periphery of the bottom wall, the lower cover is set to one end far from the bottom wall of the peripheral wall,

First slot includes the part on the bottom wall；

And/or first slot includes the part on opposite two wall surface of the peripheral wall.

Optionally, the slot further includes the second slot on the lower casing, and the barrier assembly is plugged in described In first slot and second slot.

Optionally, the lower casing is equipped with filling aperture, and the filling aperture is connected to second back cavity, the loudspeaker mould Group further includes cover board, and the cover plate lid closes the filling aperture, and the cover board is detachably connected with the lower casing.

In the utility model, by setting isolation frame and separation net by the rear operatic tunes of loudspeaker mould group every being set as the first back cavity With the second back cavity, sound-absorbing particle is directly filled into the second back cavity, and sound-absorbing particle, which requires no, to be individually encapsulated, therefore can Guarantee the particles filled each corner in the second back cavity of sound-absorbing, be greatly improved the quantity of sound-absorbing particle, enhances sound-absorbing effect. Also, the second back cavity is completely cut off by isolation frame and separation net and the first back cavity, and frame and separation net is isolated by sound-absorbing particulate blockage In the second back cavity, it can prevent sound-absorbing particle from entering the first back cavity and then enter loudspeaker monomer.In addition, since separation net is card The limiting slot on isolation frame is held, the mode of the clamping is installed simply, it is only necessary to which separation net is caught in the limit on isolation frame Slot is convenient for changing separation net, compared to separation net as inserts and with the mode of frame injection molding is isolated for, due to not It is influenced by injected plastics material, therefore can be avoided the mesh blocking of separation net；Furthermore the processing method of limiting slot is simple, therefore It can be avoided the raising of production cost.

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 loudspeaker mould group；

Fig. 2 is loudspeaker mould group in Fig. 1 along the cut-away illustration of A-A hatching line；

Fig. 3 is the decomposition diagram of loudspeaker mould group in Fig. 1；

Fig. 4 is the decomposition diagram of barrier assembly in Fig. 3；

Fig. 5 is the structural schematic diagram of upper casing in Fig. 3；

Fig. 6 is the structural schematic diagram of lower casing in Fig. 3.

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

The utility model proposes a kind of loudspeaker mould groups, which can be used in earphone, mobile phone etc. being capable of sounding Equipment.

Incorporated by reference to referring to figs. 1 to Fig. 3, loudspeaker mould group includes shell 10 and loudspeaker monomer 20, is formed in shell 10 Accommodating chamber 13, and shell 10 is equipped with the acoustic aperture 113 out being connected to accommodating chamber 13, loudspeaker monomer 20 is set in accommodating chamber 13, and By accommodating chamber 13 every being set as the preceding operatic tunes 131 and the rear operatic tunes 132, acoustic aperture 113 is set to the preceding operatic tunes 131 out.In the present embodiment, loudspeaker Monomer 20 includes vibrational system and magnetic circuit system, and vibrational system includes vibrating diaphragm and the voice coil for being fixed on vibrating diaphragm side, vibrating diaphragm packet Central part, the ring portion around central part setting and the fixed part around the setting of ring portion are included, vibrating diaphragm can also include combining In the composite layer of central part.Magnetic circuit system includes conductive magnetic yoke, and conductive magnetic yoke is equipped with internal magnetic circuit part and exterior portion, the two it Between formed accommodate voice coil magnetic gap.Wherein, in a kind of situation, internal magnetic circuit part includes in the central location of conductive magnetic yoke Heart magnet and the center magnetic conductive board on centring magnet, exterior portion include the side magnet of the marginal position set on conductive magnetic yoke Be set in the while magnetic conductive board on magnet.Loudspeaker monomer 20 may also include auxiliary system, and auxiliary system includes shell, and shell is used Vibrational system and magnetic circuit system are fixed in accommodating.In addition, auxiliary system may also include front cover, front cover is incorporated into the top of shell, Front cover and shell enclose the protect-ing frame structure of loudspeaker monomer 20.Certainly, in some cases, loudspeaker monomer 20 can not also wrap Include auxiliary system.

Further, loudspeaker mould group further includes barrier assembly 30, and barrier assembly 30 is set to the rear operatic tunes 132, and by rear sound Chamber 132 is located at the first back cavity 1321, the second back cavity every being set as the first back cavity 1321 and the second back cavity 1322, loudspeaker monomer 20 1322 are filled with sound-absorbing particle, and sound-absorbing particle is encapsulated in the second back cavity 1322 by barrier assembly 30, to prevent sound-absorbing particle Into the first back cavity 1321.It is envisioned that since the first back cavity 1321 is connected to the second back cavity 1322, therefore be isolated Component 30 is equipped with through-hole to play the role of connection.In the embodiment, sound-absorbing particle is natural zeolite powder, white carbon black, active carbon Etc. one or more mixture therein, certainly, other materials are also can be used in sound-absorbing particle, as long as sound-absorbing effect can be played Fruit.

Referring to Figure 4, isolation frame 31 is by the rear operatic tunes 132 every setting specifically, barrier assembly 30 includes isolation frame 31 For the first back cavity 1321 and the second back cavity 1322, frame 31 is isolated and is arranged in frame shaped, such as isolation frame 31 is the shapes such as box, round frame Shape, isolation frame 31, which encloses, sets the window to be formed as ventilative window 311, and window 311 of breathing freely is for after the first back cavity 1321 and second Air circulation between chamber 1322.Isolation frame 31 has the both side edges being oppositely arranged, and each lateral margin is equipped with connection wall 312, even It connects wall 312 to extend along the opening direction of ventilative window 311, and the connection wall 312 of both side edges is protruded towards the same direction Setting, connection wall 312 are equipped with limited wall 313, and the limited wall 313 in both side edges extends towards direction close to each other, limited wall 313 form limiting slot 314 with the setting of the interval of frame 31 is isolated, and the opening of the limiting slot 314 in both side edges is opposite.

Further, barrier assembly 30 further includes separation net 32, and separation net 32 is superposed with frame 31 is isolated, separation net 32 The ventilative window 311 of covering isolation frame 31 is arranged, and separation net 32 is between two connection walls 312, and the two-phase of separation net 32 Opposite side corresponds and is fastened in two limiting slots 314.In the present embodiment, frame 31 is isolated and limited wall 313 corresponds and abuts isolation The two opposite sides of net 32 avoid being detached between separation net 32 and isolation frame 31 to realize the clamping to separation net 32.In addition, Separation net 32 is metal mesh or screen cloth etc., and the mesh of separation net 32 is less than the outer diameter of sound-absorbing particle, thus avoid sound-absorbing particle from Mesh pierces the first back cavity 1321.

In the utility model, by setting isolation frame 31 and separation net 32 by the rear operatic tunes 132 of loudspeaker mould group every being set as First back cavity 1321 and the second back cavity 1322, sound-absorbing particle are directly filled into the second back cavity 1322, and sound-absorbing particle does not have to It by being individually encapsulated, therefore can guarantee the particles filled each corner in the second back cavity 1322 of sound-absorbing, be greatly improved suction The quantity of sound particle enhances sound-absorbing effect.Also, the second back cavity 1322 passes through isolation frame 31 and separation net 32 and the first back cavity Sound-absorbing particulate blockage in the second back cavity 1322, can be prevented sound-absorbing particle from entering by 1321 isolations, isolation frame 31 and separation net 32 First back cavity 1321 enters loudspeaker monomer 20 in turn.In addition, since separation net 32 is the limiting slot being held on isolation frame 31 314, the mode of the clamping is installed simply, it is only necessary to separation net 32 is caught in the limiting slot 314 on isolation frame 31, it is convenient Replace separation net 32, compared to separation net 32 as inserts and with the mode of 31 injection molding of frame is isolated for, due to not by The influence of injected plastics material, therefore can be avoided the mesh blocking of separation net 32；Furthermore the processing method of limiting slot 314 is simple, therefore It can be avoided the raising of production cost.

In some embodiments, limited wall 313 and connection wall 312 are an entire strip structure, specifically, limit Wall 313 and connection wall 312 are arranged in a long strip shape, and the opposite other end is extended to from one end of lateral margin, are equivalent to entire side Connection wall 312 and limited wall 313 are respectively connected on edge, the length for the limiting slot 314 being thusly-formed is the largest, and can will be isolated The entire side of net 32 is wrapped up, and realizes better limit effect.

In further embodiments, limited wall 313 and connection wall 312 are disconnected dot structure, specifically, connection wall 312 include multiple connection straps, and multiple connection straps are arranged along the extending direction interval of lateral margin, and limited wall 313 includes multiple positive stop strips, A positive stop strip is equipped on each connection strap.For example, two connection straps can be set on the same lateral margin of isolation frame 31, two connections Item is arranged respectively close to the both ends of the lateral margin, certainly, also settable more connection straps on the same lateral margin of frame 31 is isolated, such as Three or five connection straps etc. are set.

To reduce the blocking to window 311 of breathing freely on isolation frame 31, meet the sufficiently large vapor permeation area of barrier assembly 30, originally In embodiment, one end of the separate connection wall 312 of limited wall 313 is concordant with the inside casing wall that frame 31 is isolated, that is, limited wall One end of 313 separate connection wall 312 and the windowsill for the ventilative window 311 that frame 31 is isolated are concordant, which refers to neighbouring limit The windowsill of position 313 side of wall.It is too long and block ventilative window 311 that such setting can be avoided limited wall 313, in addition also can guarantee The length of limited wall 313 is longer, so that limited wall 313 is larger to the contact area of separation net 32, meets preferable clamping Effect.

In the present embodiment, isolation frame 31 is metalwork, and connection wall 312 is with limited wall 313 by the integrated bent of frame 31 is isolated At the connection wall 312 is that the lateral margin of isolation frame 31 turns down the flange to be formed, and limited wall 313 is turning over for the fold formation of connection wall 312 Side.By the way of being integrally bent to form, moulding process is simple, and does not need removal waste material, can reduce the waste of material.Separately Outside, limiting slot 314 can be caught in after frame 31 will be isolated and be integrally bent to form limiting slot 314, then by separation net 32；Certainly, may be used First by separation net 32 be isolated after frame 31 is superposed, then bending is carried out to isolation frame 31, so that the limit that bending is formed Wall 313 is connected on separation net 32.In other embodiments, isolation frame 31 can also be moulding, connection wall 312, limited wall 313 It is formed with 31 integrated injection molding of frame is isolated.

In the present embodiment, the inner wall of shell 10 is equipped with slot, and the isolation inserting of frame 31 is fixed in slot.It is inserted by being arranged Slot can play position-limiting action to isolation frame 31, avoid isolation frame 31 from shifting, Ke Yiqi for the mode of isolation 31 grafting of frame To better isolation effect.Specifically, shell 10 includes upper casing 11 and lower casing 12, upper casing 11 and lower casing 12 are enclosed receiving The operatic tunes 131 before chamber 13, loudspeaker monomer 20 and upper casing 11 surround jointly, loudspeaker monomer 20, lower casing 12 and upper casing 11 enclose jointly Close the operatic tunes 132 after being formed.Optionally, it is adhesively fixed between loudspeaker monomer 20 and upper casing 11.Incorporated by reference to reference Fig. 5 and Fig. 6, it is Realize the fixation of isolation frame 31 and upper casing 11 and lower casing 12, slot includes the first slot 112 on upper casing 11, barrier assembly 30 are plugged in the first slot 112, move on upper casing 11 to limit isolation frame 31, it is ensured that isolation frame 31 and upper casing 11 align Accurately.

In the utility model, the first slot 112 is equipped on upper casing 11, lower casing 12 is equipped with the second slot 123, and frame 31 is isolated Respectively with 123 grafting of the first slot 112 and the second slot.By the first slot 112 of setting and the second slot 123 for frame 31 is isolated The mode of grafting can play position-limiting action to isolation frame 31, avoid isolation frame 31 from shifting, can play better isolation Effect.Optionally, isolation frame 31 is plugged together with 112 close-fitting of the first slot, and frame 31 is isolated and plugs together with 123 close-fitting of the second slot, from And realize better seal, prevent sound-absorbing particle from passing through from isolation frame 31 and the connection gap of shell 10.

In the present embodiment, the plate-like setting of lower casing 12, upper casing 11 is in the cavity-like open towards lower casing 12, and including mutually interconnecting The bottom wall 114 and peripheral wall 115 connect, bottom wall 114 are oppositely arranged with lower casing 12, and peripheral wall 115 encloses the periphery set on bottom wall 114, and edge Bottom wall 114 periphery extend and it is annular in shape, lower casing 12 is covered on one end of the separate bottom wall 114 of peripheral wall 115.Optionally, One slot 112 includes the part on bottom wall 114；And/or first slot 112 include opposite two positioned at peripheral wall 115 Part on wall surface.For example, in some embodiments, the first slot 112 includes the part on bottom wall 114 and is located at Part on opposite two wall surface of peripheral wall 115, is so equivalent to and is equipped with the first slot on bottom wall 114 and peripheral wall 115 112, the first slot 112 wraps up all sides being emerging in upper casing 11 that frame 31 is isolated, to realize more preferable sealing effect. In further embodiments, the first slot 112 includes the part on bottom wall 114；In other embodiments, the first slot 112 include the part on opposite two wall surface of peripheral wall 115.

Specifically, two clamping walls 111 being equipped in the bottom wall 114 of upper casing 11, two clamping walls 111 are opposite and interval is arranged, and two Interval between clamping wall 111 constitutes the first slot 112, and the both ends of clamping wall 111 extend along peripheral wall 115 towards lower casing 12, And extend to the end face of peripheral wall 115.In addition, the first slot can also be formed by way of removing surfacing on upper casing 11 112.Similarly, the second slot 123 is in long strip, and the side towards lower casing 12 that frame 31 is isolated is wrapped up, and frame 31 is thus isolated Entire periphery by the second slot 123 and the first slot 112 package jointly.

Among the above, upper casing 11 and lower casing 12 are bonded or welded, and 11 He of upper casing can be eliminated by the way of being bonded or welded The two better seal effect is realized in the gap of the junction of lower casing 12.In addition, upper casing 11 and lower casing 12 can also be used buckle into Row connection.

Further, lower casing 12 is equipped with filling aperture 122, and filling aperture 122 is connected to the second back cavity 1322, loudspeaker mould group It further include cover board 121, the lid of cover board 121 closes filling aperture 122.In the present embodiment, after upper casing 11 and lower casing 12 are assembled, energy It is enough that sound-absorbing particle is poured into the second back cavity 1322 from filling aperture 122, it is ensured that entire second back cavity 1322 fills full sound-absorbing Particle；It is closed in addition, cover board 121 covers filling aperture 122, avoids the leakage of sound-absorbing particle.Optionally, cover board 121 and lower casing 12 can Dismantling connection, to be easy to open cover board 121 to replace sound-absorbing particle.Specifically, the peritreme of cover board 121 and filling aperture 122 Locate settable screw thread, so that cover board 121 is tightened with lower casing 12 by screw thread；In addition, cover board 121 and lower casing 12 can also pass through card Button or screw etc. are attached.

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 utility model design 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 loudspeaker mould group characterized by comprising

Shell has an accommodating chamber；

Loudspeaker monomer is set in the accommodating chamber, and by the accommodating chamber every being set as the preceding operatic tunes and the rear operatic tunes, on the shell Equipped with acoustic aperture out, the preceding operatic tunes is connected to the acoustic aperture out；

Frame is isolated, will it is described after the operatic tunes every being set as the first back cavity and the second back cavity, after the loudspeaker monomer is located at described first Chamber, second back cavity are filled with sound-absorbing particle, and the isolation frame has the both side edges being oppositely arranged, and each lateral margin is all provided with There is a connection wall, the connection wall is equipped with limited wall, and the limited wall is arranged with the frame interval that is isolated and forms limiting slot, and two The opening of the limiting slot on the lateral margin is opposite；And

2. loudspeaker mould group as described in claim 1, which is characterized in that the limited wall and the connection wall are from the side One end of edge extends to the opposite other end.

3. loudspeaker mould group as described in claim 1, which is characterized in that the connection wall includes multiple connection straps, Duo Gesuo It states connection strap to be arranged along the extending direction interval of the lateral margin, the limited wall includes multiple positive stop strips, each connection strap On be equipped with a positive stop strip.

4. loudspeaker mould group as described in claim 1, which is characterized in that one end far from the connection wall of the limited wall It is concordant with the inside casing wall that frame is isolated.

5. loudspeaker mould group as described in claim 1, which is characterized in that the isolation frame be metalwork, the connection wall with The limited wall is integrally bent to form by the isolation frame.

6. the loudspeaker mould group as described in claim 1-5 any one, which is characterized in that the inner wall of the shell, which is equipped with, to be inserted Slot, the isolation frame inserting are fixed in the slot.

7. loudspeaker mould group as claimed in claim 6, which is characterized in that the shell includes upper casing and lower casing, the upper casing It is enclosed the accommodating chamber with the lower casing, the loudspeaker monomer and the upper casing surround the preceding operatic tunes jointly, described Loudspeaker monomer, the lower casing and the upper casing are enclosed the rear operatic tunes jointly；

8. loudspeaker mould group as claimed in claim 7, which is characterized in that the upper casing includes bottom wall and peripheral wall, the bottom wall It is oppositely arranged with the lower casing, the peripheral wall encloses the periphery set on the bottom wall, and the lower cover is set to the separate of the peripheral wall One end of the bottom wall,

First slot includes the part on the bottom wall；

9. loudspeaker mould group as claimed in claim 8, which is characterized in that the loudspeaker mould group includes barrier assembly, described Barrier assembly includes the isolation frame and the separation net；The slot further includes the second slot on the lower casing, institute Barrier assembly is stated to be plugged in first slot and second slot.

10. loudspeaker mould group as claimed in claim 7, which is characterized in that the lower casing is equipped with filling aperture, the filling aperture It is connected to second back cavity, the loudspeaker mould group further includes cover board, and the cover plate lid closes the filling aperture, and the cover board It is detachably connected with the lower casing.