CN205793272U - Speaker - Google Patents

Abstract

The utility model discloses a kind of speaker, relate to electro-acoustic product technical field, including shell, vibrational system and magnetic circuit system is contained in described shell, described vibrational system includes voice coil loudspeaker voice coil, be fixed on described voice coil loudspeaker voice coil the ring on skeleton and DOME, described skeleton includes the first skeleton and the second skeleton being stitched together up and down, and the inward flange of described ring is fixed between described first skeleton and described second skeleton.This utility model speaker solves the technical problems such as poor, the acoustical behavior difference of the concordance that in prior art, speaker ring is bonding, and this utility model speaker product concordance is good, and acoustical behavior is high, and sound quality is good；Production efficiency is high, and reliability is high, and service life is long.

Description

Speaker

Technical field

This utility model relates to electro-acoustic product technical field, particularly to a kind of speaker.

Background technology

Speaker is commonly called as loudspeaker, the conversion being used between the signal of telecommunication and acoustical signal, is that a kind of energy turns Parallel operation part.Speaker generally includes shell, contains vibrational system and magnetic circuit system, magnetic circuit system in shell Including U/T ferrum, Magnet and washer, vibrational system includes ring, voice coil loudspeaker voice coil and the DOME (ball combined Top, dust cap), the end of voice coil loudspeaker voice coil is positioned at magnetic gap.Voice coil loudspeaker voice coil includes speech coil framework and is wrapped in speech coil framework The coil of end, ring is fixed on the other end of speech coil framework, moves up and down after coil electricity in magnetic gap, Ring motion radiation sound is driven by speech coil framework.Owing to ring is the softest, time bonding with speech coil framework It is difficult to ensure that bonding fastness, between inner side and the speech coil framework of ring, gap easily occurs, thus produce leakage Glue, bonding quality is poor, and the bonding location of ring also is difficult to ensure accurately simultaneously, and easy to stick bonding difficulty is big partially, Homogeneity of product is poor, and the performance of speaker also can be produced impact.

Utility model content

For disadvantages described above, technical problem to be solved in the utility model is to provide a kind of speaker, and this raises Sound device ring is good with speech coil framework adhering state, and bonding difficulty is low, good product consistency, and sound quality is good； Reliability, stability are high, and service life is long.

For solving above-mentioned technical problem, the technical solution of the utility model is:

A kind of speaker, including shell, contains vibrational system and magnetic circuit system in described shell, described in shake Dynamic system includes voice coil loudspeaker voice coil, be fixed on described voice coil loudspeaker voice coil the ring on skeleton and DOME, described skeleton includes up and down The first skeleton being stitched together and the second skeleton, the inward flange of described ring be fixed on described first skeleton with Between described second skeleton.

Wherein, described second skeleton is provided with the flange of outwards bending near one end of described first skeleton, described The inward flange of ring is fixed between described first skeleton and described flange.

Wherein, described first skeleton also is provided with the flange outwards bent, institute near one end of described second skeleton State the inward flange of ring to be fixed on described in two between flange.

Wherein, the plane at described flange place and described skeleton is axially vertical.

Wherein, the diameter of described first skeleton is identical with the diameter of described second skeleton.

Wherein, the axial dimension of described first skeleton is less than the axial dimension of described second skeleton, described DOME Being fixed on described first skeleton, described coil is wound on described second skeleton.

Wherein, described magnetic circuit system include magnetic conductive part and the Magnet that is sequentially fixed on described magnetic conductive part and Washer.

As a kind of embodiment, described magnetic conductive part is U ferrum, the sidewall of described U ferrum be fixed on described outside On the inwall of shell.

As another embodiment, described magnetic conductive part is T ferrum, and described washer is fixed on described shell On inwall.

Wherein, the inwall of described shell is provided with the upper of the positioning boss of protrusion, described U ferrum or described washer Surface fixes with the lower surface of described positioning boss.

After have employed technique scheme, the beneficial effects of the utility model are:

Owing to the vibrational system of this utility model speaker includes voice coil loudspeaker voice coil, the ring being fixed on the skeleton of voice coil loudspeaker voice coil And DOME, skeleton includes the first skeleton and the second skeleton being stitched together up and down, and the inward flange of ring is fixed Between the first skeleton and the second skeleton.Skeleton is spliced by upper and lower two parts, and the inward flange of ring is fixed Between the first skeleton and the second skeleton, fixed position is accurate, does not haves viscous inclined situation, it is possible to ensure The inward flange of ring is located in the same horizontal plane after the fixation, it is ensured that the concordance of ring bonding location, Effectively reduce bonding difficulty, improve production efficiency；And ring is clipped in the first skeleton and the second skeleton Between, combine more firm between ring and skeleton, do not have cracking, come off etc. bad, reliability, Stability is higher, and service life is longer；First skeleton is also effectively increased vibration sky downward for DOME simultaneously Between, it is possible to effectively avoid DOME to collide with magnetic circuit system because downward oscillation space is not enough, thus produce Giving birth to the bad of abnormal sound, sound quality is greatly improved.

Owing to the second skeleton is provided with the flange of outwards bending, flange glue bonding to ring and skeleton serves The effect of barricade, is effectively prevented leakage glue, and glue is distributed evenly, and bonding fastness is bigger, no Can affect the acoustical behavior of speaker because of glue skewness, acoustical behavior improves.

Owing to also being provided with flange on the first skeleton, the inward flange of ring is fixed between two flange, and two flange increase Add the contact area of the first skeleton and the second skeleton and ring, increased the grip strength to ring, enter one The bond strength that improve ring and skeleton of step.

Owing to the inwall of shell is provided with the positioning boss of protrusion, U ferrum or the upper surface of washer and positioning boss Lower surface fix, positioning boss is serving positioning action, improve product conforming also simultaneously Add the contact area between magnetic circuit system and shell, thus improve the knot between magnetic circuit system and shell Close firmness, effectively reduce the risk that magnetic circuit system comes off from shell, improve the reliability of product And service life.

In sum, this utility model speaker solves the concordance that in prior art, speaker ring is bonding The technical problems such as difference, acoustical behavior difference, this utility model speaker product concordance is good, and acoustical behavior is high, Sound quality is good；Production efficiency is high, and reliability is high, and service life is long.

Accompanying drawing explanation

Fig. 1 is the decomposition texture schematic diagram of this utility model loudspeaker embodiment one；

Fig. 2 is the sectional structure schematic diagram of this utility model loudspeaker embodiment one；

Fig. 3 is the A portion enlarged drawing of Fig. 2；

In figure: 10, shell, 12, positioning boss, 20, vibrational system, 22, DOME, 24, ring, 260, coil, the 262, second skeleton, the 2620, second flange, the 264, first skeleton, 2640, first turns over Limit, 266, voice coil leads, 30, magnetic circuit system, 32, washer, 34, Magnet, 36, U ferrum, 40, electricity Connector.

Detailed description of the invention

Below in conjunction with the accompanying drawings and embodiment, this utility model is expanded on further.

The inner side related in this specification refers to the side near Microspeaker center, and outside refers to The side at Microspeaker center；Refer to be provided with the direction of vibrational system in the orientation related in this specification, Refer to be provided with the direction of magnetic circuit system under orientation.

Embodiment one:

As Fig. 1 and Fig. 2 jointly shown in, a kind of speaker, including ring-type shell 10, receive in shell 10 Have vibrational system 20 and magnetic circuit system 30.

As Fig. 1 and Fig. 2 jointly shown in, vibrational system 20 include voice coil loudspeaker voice coil, voice coil loudspeaker voice coil include tubular skeleton and It is wrapped in the skeleton coil 260 near magnetic circuit system 30 one end.Vibrational system 20 also includes that inward flange is fixed Ring 24 on skeleton, the outward flange of ring 24 is fixed on the upper surface of shell 10, ring 24 Top in coil 260.Vibrational system 20 also includes that DOME22, DOME22 cover in the upper end of skeleton, And the edge part of DOME22 is fixed on skeleton.

Jointly shown with Fig. 3 as shown in Figure 1, Figure 2, skeleton includes the first skeleton 264 being stitched together up and down With the second skeleton 262, the first skeleton 264 is identical with the diameter of the second skeleton 262, the first skeleton 264 Axial dimension is less than the second skeleton less than the axial dimension of the second skeleton 262, the height of the i.e. first skeleton 264 The height of 262.First skeleton 264 is above, and DOME22 is fixed on the upper end of the first skeleton 264, Second skeleton 262 is positioned at lower section, and coil 260 is wound on the lower end of the second skeleton 262, the inward flange of ring 24 It is fixed between the first skeleton 264 and the second skeleton 262.

As Fig. 1 and Fig. 3 jointly shown in, the first skeleton 264 is provided with outwards near the end of the second skeleton 262 First flange 2640 of bending, the second skeleton 262 is provided with outwards bending near the end of the first skeleton 264 Second flange 2620, the plane at the first flange 2640 and the second flange 2620 place is all hung down with the axial of skeleton Directly, the inward flange of ring 24 is clamped between the first flange 2640 and the second flange 2620, thus will First skeleton the 264, second skeleton 262 combines with ring 24.First flange 2640 and second turns over Limit 2620 adds the contact area between ring 24 and the first skeleton 264 and the second skeleton 262, thus Enhance the bond strength of three, be positioned at the second flange 2620 below ring 24 bonding at ring 24 simultaneously Time serve location and gear glue effect.

As Fig. 1 and Fig. 2 jointly shown in, magnetic circuit system includes magnetic conductive part, magnetic conductive part in present embodiment For U ferrum 36.Magnetic circuit system also includes the Magnet 34 being fixed in U ferrum 36 and is fixed on Magnet 34 Washer 32.It is provided with magnetic gap, the coil 260 of voice coil loudspeaker voice coil between the sidewall of Magnet 34 and washer 32 and U ferrum 36 It is positioned at magnetic gap.The sidewall of U ferrum 36 is fixed on the inwall of shell 10, and the inwall of shell 10 is provided with The positioning boss 12 protruded, positioning boss 12 is positioned at the top of U ferrum 36, the upper surface of U ferrum 36 sidewall with The lower surface of positioning boss 12 fixes.

As Fig. 1 and Fig. 2 jointly shown in, shell 10 is fixed with two electrical connectors 40, two electrical connections One end of part 40 electrically connects with two voice coil leads 266 of voice coil loudspeaker voice coil respectively, another of two electrical connectors 40 End electrically connects with speaker external circuit respectively, and the tone currents in external circuit is passed through coil 260, voice coil loudspeaker voice coil The audio signal of the alternation according to flowing through coil 260 does reciprocal up and down motion, ring 24 in magnetic gap With DOME22 along with the motion up-down vibration of voice coil loudspeaker voice coil, instigate air sounding, thus complete the energy between electroacoustic Conversion.

Embodiment two:

Present embodiment is essentially identical with embodiment one, and its difference is:

Magnetic conductive part is T ferrum, and the edge part of T ferrum is fixed with Magnet and washer, Magnet and the China of annular successively It is provided with magnetic gap between department and the newel of T ferrum.Washer is fixed on the inwall of shell, the upper surface of washer Lower surface secure bond with positioning boss.

The skeleton of this utility model speaker is combined into by two parts skeleton of upper and lower superposition, and by ring Inward flange is clamped between two parts skeleton, serves location and barrier effect when ring is bonding, from And effectively raise the concordance of speaker, also prevent shadow nonlinear loudspeaker produced because of leakage glue Ring, improve the acoustical behavior of speaker.

Above-described embodiment is only that the skeleton to this utility model voice coil loudspeaker voice coil is by two parts skeleton combination of upper and lower superposition Become, and the illustration of the technical scheme that the inward flange of ring is fixed between two parts skeleton, Qi Zhongyang The structure of sound device is not limited in said structure, and the technical solution of the utility model is applicable to any one and sets Having in the speaker of skeleton voice coil loudspeaker voice coil, those skilled in the art need not pay according to the description of above-described embodiment and appoint The technical solution of the utility model just can be applied in the speaker of other structure by what creative work, therefore nothing Other structure of opinion speaker is the most same as the previously described embodiments, as long as the skeleton of voice coil loudspeaker voice coil is by upper and lower superposition Two parts skeleton is combined into, and is fixed between two parts skeleton by the inward flange of ring and raises one's voice in order to improving The product of device concordance and acoustical behavior etc. each falls within protection domain of the present utility model.

The first skeleton related in this specification and the name of the second skeleton merely to distinguishing feature, Do not represent position relationship therebetween and assembling sequence.

This utility model is not limited to above-mentioned specific embodiment, and those of ordinary skill in the art is from above-mentioned Design is set out, and without performing creative labour, all conversion made, all falls within guarantor of the present utility model Within the scope of protecting.

Claims (9)

1. speaker, including shell, vibrational system and magnetic circuit system is contained in described shell, described vibrational system includes voice coil loudspeaker voice coil, be fixed on described voice coil loudspeaker voice coil the ring on skeleton and DOME, it is characterized in that, described skeleton includes the first skeleton and the second skeleton being stitched together up and down, and the inward flange of described ring is fixed between described first skeleton and described second skeleton.

Speaker the most according to claim 1, it is characterised in that described second skeleton is provided with the flange of outwards bending near one end of described first skeleton, and the inward flange of described ring is fixed between described first skeleton and described flange.

Speaker the most according to claim 2, it is characterised in that described first skeleton also is provided with the flange outwards bent near one end of described second skeleton, the inward flange of described ring is fixed on described in two between flange.

Speaker the most according to claim 3, it is characterised in that the plane at described flange place is axially vertical with described skeleton.

Speaker the most according to claim 4, it is characterised in that the diameter of described first skeleton is identical with the diameter of described second skeleton.

Speaker the most according to claim 5, it is characterised in that the axial dimension of described first skeleton is less than the axial dimension of described second skeleton, and described DOME is fixed on described first skeleton, and the coil of described voice coil loudspeaker voice coil is wound on described second skeleton.

Speaker the most according to claim 6, it is characterised in that described magnetic circuit system includes magnetic conductive part and the Magnet being sequentially fixed on described magnetic conductive part and washer.

Speaker the most according to claim 7, it is characterised in that described magnetic conductive part is U ferrum, the sidewall of described U ferrum is fixed on the inwall of described shell.

Speaker the most according to claim 7, it is characterised in that described magnetic conductive part is T ferrum, described washer is fixed on the inwall of described shell.