CN207124758U - A kind of dust-proof loudspeaker of subwoofer speaker power amplifier - Google Patents

Abstract

The utility model discloses a kind of dust-proof loudspeaker of subwoofer speaker power amplifier, including framework, the top of the framework is installed with dust guard, the dust guard includes ferrite magnetic strain net, the right-hand member upper surface of the ferrite magnetic strain net is by being hinged on the right-hand member lower surface of dust excluding plate on the outside of hinge, the lower surface left and right ends of the dust excluding plate are fixedly mounted on the top of short wedge-shaped hook, the lower surface rear and front end of the ferrite magnetic strain net is fixedly mounted on the upper surface of supporting table, the outside of two supporting tables is fixedly mounted on the inner side of two cross bars.The dust-proof loudspeaker of the subwoofer speaker power amplifier, pass through the clamping engagement of two short wedge-shaped hook and long wedge-shaped hook, solve and there was only a dust cap in inside loudspeakers, when loudspeaker does not work, dust takes care of the pence, cleaning can not be unloaded easily, the problem of causing dust cap to block, meet the use demand of user.

Description

A kind of dust-proof loudspeaker of subwoofer speaker power amplifier

Technical field

Subwoofer speaker power amplifier technology field is the utility model is related to, specially a kind of the dust-proof of subwoofer speaker power amplifier is raised one's voice Device.

Background technology

Recently as the fast development of mobile communication technology, consumer is more and more using the shifting with phonetic function Dynamic communication apparatus, such as the other equipment that multimedia player etc. can be communicated by public or dedicated communications network, make For the playing device of voice, Microspeaker design quality directly affects the speech performance of relative technological products, and loudspeaker is one Kind energy converter, is part indispensable in electro-acoustic product, loudspeaker mainly includes housing, in the sky that the housing surrounds Intracavitary, which houses, is fixed with loudspeaker monomer, an only dust cap in existing inside loudspeakers, when loudspeaker does not work, dirt Soil takes care of the pence, and can not unload cleaning easily, cause dust cap to block, influence speaker sound quality.

Utility model content

The purpose of this utility model is to provide a kind of dust-proof loudspeaker of subwoofer speaker power amplifier, to solve above-mentioned background The problem of being proposed in technology.

To achieve the above object, the utility model provides following technical scheme：A kind of dust flying prevention of subwoofer speaker power amplifier Sound device, including framework, the top of the framework are installed with dust guard, and the dust guard includes ferrite bean net, The right-hand member upper surface of the ferrite bean net is by being hinged on the right-hand member lower surface of dust excluding plate, the dust excluding plate on the outside of hinge Lower surface left and right ends be fixedly mounted on the top of short wedge-shaped hook, the lower surface rear and front end of the ferrite bean net is equal It is fixedly mounted on the upper surface of supporting table, the outside of two supporting tables is fixedly mounted on the inner side of two cross bars, two The inner side both ends of the cross bar are rotatably connected on the middle part of long wedge-shaped hook, pass through bullet at left and right sides of the bottom of the supporting table The both ends of spring are connected with the inner side of two long wedge-shaped hook, and the inwall of the framework is fixedly mounted on the outside of vibrating diaphragm, the vibrating diaphragm Apical lateral offer outstanding side, the inside of the vibrating diaphragm is installed with round platform, and the upper surface of the round platform is installed with Dust cap, the lower surface of the round platform are fixedly mounted on the upper surface of speech coil framework, the bottom outer wall socket of the speech coil framework There is voice coil loudspeaker voice coil, the upper surface of the voice coil loudspeaker voice coil and the bottom of vibrating diaphragm are connected by centring disk, and the bottom of the framework is installed with Preceding pole piece, the preceding pole piece are fixedly connected on the outer upper surface of rear pole piece by the second magnet.

Preferably, the left and right ends of the dust excluding plate offer skid resistant course.

Preferably, the right-hand member upper surface of the ferrite bean net is installed with the lower surface of the first magnet.

Preferably, the outside spacing of two short wedge-shaped hooks is slightly less than the inner side spacing of two long wedge-shaped hook.

Compared with prior art, the beneficial effects of the utility model are：The dust-proof loudspeaker of the subwoofer speaker power amplifier, lead to The clamping engagement of two short wedge-shaped hook and long wedge-shaped hook is crossed, two short wedge-shaped hook is inserted to the inner side of two long wedge-shaped hook, will be anti- Dirt plate and supporting table are locked, and are easy to dust-proof, and the bottom for pressing two long wedge-shaped hook hooks up out two short wedge shapes, while will be dust-proof Plate unloads from hinge, is easy to clean dust excluding plate, solves and there was only a dust cap in inside loudspeakers, when loudspeaker does not work When, dust takes care of the pence, and can not unload cleaning easily, cause dust cap to block, the problem of influenceing speaker sound quality, meets The use demand of user.

Brief description of the drawings

Fig. 1 is the utility model structure diagram；

Fig. 2 is the utility model dust guard schematic diagram.

In figure：1st, framework, 2, vibrating diaphragm, 3, dust guard, 301, short wedge-shaped hook, 302, dust excluding plate, 303, hinge, 304, One magnet, 305, cross bar, 306, spring, 307, supporting table, 308, long wedge-shaped hook, 309, ferrite bean net, 310, skid resistant course, 4th, side is hanged, 5, round platform, 6, voice coil loudspeaker voice coil, the 7, second magnet, 8, rear pole piece, 9, preceding pole piece, 10, centring disk, 11, speech coil framework, 12, Dust cap.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.

Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：A kind of the dust-proof of subwoofer speaker power amplifier is raised one's voice Device, including framework 1, the top of the framework 1 are installed with dust guard 3, and the dust guard 3 includes ferrite bean net 309, ferrite bean net 309 can weaken the noise of loudspeaker, and the right-hand member upper surface of the ferrite bean net 309 passes through conjunction The outside of page 303 is hinged on the right-hand member lower surface of dust excluding plate 302, the fixed peace in lower surface left and right ends of the dust excluding plate 302 Mounted in the top of short wedge-shaped hook 301, the lower surface rear and front end of the ferrite bean net 309 is fixedly mounted on supporting table 307 upper surface, the outside of two supporting tables 307 are fixedly mounted on the inner side of two cross bars 305, two cross bars 305 inner side both ends are rotatably connected on the middle part of long wedge-shaped hook 308, pass through at left and right sides of the bottom of the supporting table 307 The both ends of spring 306 are connected with the inner side of two long wedge-shaped hook 308, and the inwall of the framework 1 is fixedly mounted on the outer of vibrating diaphragm 2 Side, the apical lateral of the vibrating diaphragm 2 offer outstanding side 4, and the inside of the vibrating diaphragm 2 is installed with round platform 5, the round platform 5 Upper surface is installed with dust cap 12, and the lower surface of the round platform 5 is fixedly mounted on the upper surface of speech coil framework 11, the sound The bottom outer wall of ring framework 11 is socketed with voice coil loudspeaker voice coil 6, and the upper surface of the voice coil loudspeaker voice coil 6 is connected with the bottom of vibrating diaphragm 2 by centring disk 10 Connect, the bottom of the framework 1 is installed with preceding pole piece 9, and the preceding pole piece 9 is fixedly connected on rear pole piece 8 by the second magnet 7 Outer upper surface.

Specifically, in order to prevent human hand from skidding, the left and right of the dust excluding plate 302 occurring when stirring dust excluding plate 302 Both ends offer skid resistant course 310.

Specifically, in order to which the right-hand member of dust excluding plate 302 and ferrite bean net 309 is locked, the ferrite bean net 309 right-hand member upper surface is installed with the lower surface of the first magnet 304.

Specifically, in order to which two short wedge-shaped hook 301 just to be inserted to the inner side of two long wedge-shaped hook 308, described in two The outside spacing of short wedge-shaped hook 301 is slightly less than the inner side spacing of two long wedge-shaped hook 308.

Operation principle：When loudspeaker does not work, dust excluding plate 302 is rotated, by two short wedge shapes of the lower surface of dust excluding plate 302 Hook 301 inserts the inner side of two long wedge-shaped hook 308, dust excluding plate 302 is connected to the upper surface of supporting table 307, when loudspeaker is opened When beginning work or dust excluding plate 302 need cleaning, the bottom of two long wedge-shaped hook 308 is pressed, by two short wedge-shaped hook 301 from interior Portion is removed, then rotates dust excluding plate 302, and the right-hand member of dust excluding plate 302 and the first magnet 304 are adsorbed into locking or from hinge 303 Unload and cleaned, meet the use demand of user.

In description of the present utility model, it is to be understood that term " coaxial ", " bottom ", " one end ", " top ", " middle part ", " other end ", " on ", " side ", " top ", " interior ", " front portion ", " center ", the orientation or position of the instruction such as " both ends " It is based on orientation shown in the drawings or position relationship to put relation, is for only for ease of description the utility model and simplifies description, and It is not instruction or implies signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore It is not intended that to limitation of the present utility model.

In the utility model, unless otherwise clearly defined and limited, term " installation ", " setting ", " connection ", The terms such as " fixation ", " spinning " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or into one Body；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can To be connection or the interaction relationship of two elements of two element internals, limited unless otherwise clear and definite, for this area Those of ordinary skill for, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of dust-proof loudspeaker of subwoofer speaker power amplifier, including framework（1）, it is characterised in that：The framework（1）Top It is installed with dust guard（3）, the dust guard（3）Including ferrite bean net（309）, the ferrite bean net （309）Right-hand member upper surface pass through hinge（303）Outside be hinged on dust excluding plate（302）Right-hand member lower surface, the dust excluding plate （302）Lower surface left and right ends be fixedly mounted on short wedge-shaped hook（301）Top, the ferrite bean net（309）'s Lower surface rear and front end is fixedly mounted on supporting table（307）Upper surface, two supporting tables（307）Outside it is fixed Installed in two cross bars（305）Inner side, two cross bars（305）Inner side both ends be rotatably connected on long wedge-shaped hook （308）Middle part, the supporting table（307）Bottom at left and right sides of pass through spring（306）Both ends and two long wedge-shaped hook （308）Inner side be connected, the framework（1）Inwall be fixedly mounted on vibrating diaphragm（2）Outside, the vibrating diaphragm（2）Top outside Side offers outstanding side（4）, the vibrating diaphragm（2）Inside be installed with round platform（5）, the round platform（5）Upper surface fix peace Equipped with dust cap（12）, the round platform（5）Lower surface be fixedly mounted on speech coil framework（11）Upper surface, the speech coil framework （11）Bottom outer wall be socketed with voice coil loudspeaker voice coil（6）, the voice coil loudspeaker voice coil（6）Upper surface and vibrating diaphragm（2）Bottom pass through centring disk （10）Connection, the framework（1）Bottom be installed with preceding pole piece（9）, the preceding pole piece（9）Pass through the second magnet（7）Gu Surely it is connected to rear pole piece（8）Outer upper surface.

A kind of 2. dust-proof loudspeaker of subwoofer speaker power amplifier according to claim 1, it is characterised in that：The dust excluding plate （302）Left and right ends offer skid resistant course（310）.

A kind of 3. dust-proof loudspeaker of subwoofer speaker power amplifier according to claim 1, it is characterised in that：The ferrite Magnetic bead net（309）Right-hand member upper surface be installed with the first magnet（304）Lower surface.

A kind of 4. dust-proof loudspeaker of subwoofer speaker power amplifier according to claim 1, it is characterised in that：It is two described short Wedge-shaped hook（301）Outside spacing be slightly less than two long wedge-shaped hook（308）Inner side spacing.