CN207321537U - Loudspeaker - Google Patents

Abstract

The utility model provides a kind of loudspeaker, including shell, the magnetic circuit system of collecting inside the shell, magnetic circuit system include T iron；T iron include bottom plate and with the vertically disposed side plate of bottom plate；At least three threaded holes of position correspondence are provided with bottom plate and shell, the position that threaded hole is corresponded in bottom plate is provided with positioning protrusion；The position that positioning protrusion is corresponded in shell is provided with location hole；Positioning protrusion is spacing in location hole, and T iron and shell with being screwed of being adapted of threaded hole by being connected.T iron can be pre-positioned using above-mentioned utility model, increase the depth of T iron threaded hole, improve T iron and the fastening strength of shell, properties of product are stable, reliable.

Description

Loudspeaker

Technical field

Technical field of acoustics is the utility model is related to, more specifically, is related to a kind of loudspeaker.

Background technology

Loudspeaker as the common electro-acoustic transducer device for converting electrical energy into acoustic energy, its played in sound place system can not or Scarce effect.Loudspeaker is a most weak device in sound place system, and for sound puts effect, it be again one most Important component.The species of loudspeaker is various, and audio electric energy makes its cone or basin with compound by electromagnetism, piezoelectricity or electrostatic effect Vibrate and produce resonance with the air of surrounding and make a sound.Therefore, exactly there is the appearance of loudspeaker, people are just heard Beautiful sound.

At present, the magnetic circuit system of loudspeaker is mainly made of T iron, magnet and washer three parts, and T iron includes planar structure Bottom plate and with the vertically disposed side plate of bottom plate, when T iron and other parts are assembled, for example, Air Filter, usually passes through Threaded hole fitted bolt on bottom plate is assembled, and does not have location structure between T iron and parts, and position therebetween is inadequate Precisely, so as to influence assembling product efficiency and assembling quality.

Utility model content

In view of the above problems, the purpose of this utility model is to provide a kind of loudspeaker, to solve the T of current speaker product There is no location structure between iron and other assemblies, the problems such as relative position is not easy to determine, assembling product efficiency is low, of poor quality.

Loudspeaker provided by the utility model, including shell, the magnetic circuit system of collecting inside the shell, magnetic circuit system include T Iron；T iron include bottom plate and with the vertically disposed side plate of bottom plate；At least three of position correspondence are provided with bottom plate and shell Threaded hole, the position that threaded hole is corresponded in bottom plate are provided with positioning protrusion；The position that positioning protrusion is corresponded in shell is provided with calmly Position hole；Positioning protrusion is spacing in location hole, and T iron is fixedly connected with shell by the bolt being adapted with threaded hole.

Furthermore it is preferred that structure be that positioning protrusion is arranged on threaded hole close to the side of shell.

Furthermore it is preferred that structure be that bottom plate is circular configuration, on the axis direction along bottom plate, the thickness of threaded hole is big In the thickness of bottom plate.

Furthermore it is preferred that structure be that equally distributed three threaded holes are provided with bottom plate.

Furthermore it is preferred that structure be that orientation notch or locator projections is provided with bottom plate.

Furthermore it is preferred that structure be, when on bottom plate set orientation notch when；It is the arc being arranged on bottom plate to orient notch Connected in star, rectangular recess or straight line trimming.

Furthermore it is preferred that structure be, when on bottom plate set locator projections when；Locator projections are arc chimb, rectangle is convex Side or point-like convex block.

Furthermore it is preferred that structure be that magnetic circuit system includes being successively set on magnet and washer in T iron；Magnet and washer To be set in the loop configuration on the outside of side plate.

Furthermore it is preferred that structure be that bottom plate is circular configuration, along through positioning protrusion bottom plate diametric(al) on, The sum of size of bottom plate and positioning protrusion is not more than the size of magnet.

Furthermore it is preferred that structure be to orient the assembling that notch or locator projections are used for T iron and magnet and washer to carry out Orientation.

It was found from technical solution above, the loudspeaker of the utility model, the position that T iron threaded hole is corresponded in bottom plate is set Positioning protrusion, carries out pre-determined bit cooperation by the location hole of positioning protrusion and shell or other assemblies, can not only ensure T iron Positioning accuracy between shell or other assemblies, additionally it is possible to increase the length of threaded hole, improve the fastening strength of T iron, produce Product are easy to assembly, performance is stablized.

Brief description of the drawings

By reference to the explanation below in conjunction with attached drawing, and with the utility model is more fully understood, this practicality is new The other purposes and result of type will be more apparent and should be readily appreciated that.In the accompanying drawings：

Fig. 1 is the exploded view according to the loudspeaker of the utility model embodiment；

Fig. 2 is the front view according to the T iron of the utility model embodiment；

Fig. 3 is the profile according to the T iron of the utility model embodiment.

Reference numeral therein includes：It is T iron 1, bottom plate 11, side plate 12, threaded hole 13, positioning protrusion 14, dust cover 4, multiple Close basin 5, voice coil suspension 6, centring disk 7, washer 8, magnet 9, Air Filter 10, wire connection terminal 2, dustcloth 3, shell 15.

Identical label indicates similar or corresponding feature or function in all of the figs.

Embodiment

For the loadspeaker structure of the utility model is described in detail, below with reference to specific implementation of the attached drawing to the utility model Example is described in detail.

Fig. 1 shows the decomposition texture of the loudspeaker according to the utility model embodiment；Fig. 2 and Fig. 3 is respectively from different angles Degree shows the front view structure and cross-section structure of the T iron according to the utility model embodiment.

As Fig. 1 to Fig. 3 is jointly shown, the loudspeaker of the utility model embodiment, including shell 15, be housed in shell 15 Magnetic circuit system, magnetic circuit system includes T iron 1；T iron 1 includes bottom plate 11 and side plate vertically disposed with bottom plate 11 12；In bottom plate 11 and shell 15 on be respectively arranged with least three threaded holes of position correspondence, the position that threaded hole is corresponded in bottom plate 11 is provided with Positioning protrusion 14；The position that positioning protrusion 14 is corresponded in shell 15 is provided with location hole；Positioning protrusion 14 is spacing in location hole, T iron 1 is fixedly connected with shell 15 by the bolt being adapted with threaded hole, and the setting of positioning protrusion 14 can not only realize T iron 1 With the pre-determined bit of shell 15, the assembly technology of simplified T iron 1, additionally it is possible to increase the length of threaded hole, the precision for improving T iron 1 is strong Degree.

Specifically, positioning protrusion 14 is arranged on threaded hole and is arranged on bottom plate close to the side of shell 15, i.e. positioning protrusion 14 11 close to the side of shell 15, it is ensured that the one side that bottom plate 11 and magnet 9 fit still be planar structure, in order to avoid its influence T iron 1 and The fitting assembling of magnetic circuit system other assemblies.

Further, bottom plate 11 is circular configuration, due to the setting of positioning protrusion 14 so that in the central axes along bottom plate 11 Direction, thickness/length/depth of threaded hole is more than the thickness of bottom plate 11, so as to improve the combination of bolt and T iron 1 and shell 15 Intensity, it is ensured that loudspeaker quality is stable, reliable.

In an embodiment of the utility model, equally distributed three threaded holes are provided with bottom plate 11 13, the hole heart of three threaded holes 13 is located on same circumference, and corresponding positioning protrusion 14 is respectively provided with each threaded hole 13, with Setting and 14 corresponding location hole of positioning protrusion on structural member/component that 1 phase of T iron is assembled or assembled, and set in location hole Be equipped with 13 corresponding location hole of threaded hole, the dress of T iron 1 and structural member is realized through threaded hole 13 and location hole by bolt Match somebody with somebody, which can be the components such as shell or Air Filter.

In another embodiment of the utility model, the orientation notch with orientating function is set on bottom plate 11 Or locator projections (not shown)；Wherein, when setting orientation notch on bottom plate 11；It can be to be arranged on to orient notch Arc groove, rectangular recess or straight line trimming on bottom plate 11；When setting locator projections on bottom plate 11；Locator projections can For the arc chimb, rectangle chimb or point-like convex block being arranged on bottom plate 11.By in T iron 1 set orientation notch or Locator projections so that T iron 1 forms unsymmetric structure, and then realizes product in manufacturing process, particularly product other assemblies and T Orientation in the assembling process of iron 1.

To ensure that the presence of locator projections does not influence the fitted position requirement of product, or interiors of products other groups are not influenced The structure of part, when setting locator projections in T iron 1, in the diametric(al) along the bottom plate 11 through locator projections, bottom plate 11 Be not more than the size of magnet with the sum of the size of locator projections, with ensure the change of 1 structure of T iron do not interfere with product size and The structure of other intrawares.

In the loudspeaker of the utility model embodiment, loudspeaker further includes the vibrational system being housed in shell 15；Its In, vibrational system includes basin with compound 5, the voice coil loudspeaker voice coil of loop configuration and centring disk 7；Voice coil loudspeaker voice coil includes voice coil suspension 6 and is wrapped in sound Voice coil leads on coil support 6, the outer edge of centring disk 7 are fixed on shell 15, and inward flange is fixed on voice coil suspension 6, Voice coil loudspeaker voice coil is hung in shell 15 by centring disk 7, when being passed through ac signal to voice coil loudspeaker voice coil, voice coil loudspeaker voice coil can be subject to Lorentz force And up-down vibration, while drive basin with compound 5 and dust cover vibration sounding.

In addition, magnetic circuit system further includes the magnet 9 and washer 8 being successively set in T iron 1, T iron 1, magnet 9 and washer 8 Axle center is located on the same line；In other words, be sticked the magnet 9 being sleeved on outside side plate 12 in the center of T iron 1, in magnet 9 There is washer 8 away from being sticked for 1 side of T iron, magnet 9 and washer 8 are the loop configuration for being set in the outside of side plate 12, magnet 9, China Magnetic gap is formed between department 8 and side plate 12, voice coil loudspeaker voice coil is hung in the magnetic gap by centring disk 7.Wherein, shell 15, dust-proof The axle center of cover 4, magnetic circuit system and vibrational system is respectively positioned on same straight line, and the straight line is parallel with the Z axis of loudspeaker.

Further, the loudspeaker of the utility model embodiment further includes to be fixed on shell 15 and is used to connect in loudspeaker The wire connection terminal 2 of external circuit, dustcloth 3 and it is sticked in Air Filter 10 of 1 bottom plate 11 of T iron away from vibrational system side, wiring Terminal 2 is turned on voice coil loudspeaker voice coil and external circuit at the same time, so that foreign current signal is transferred to voice coil loudspeaker voice coil, realizes the vibration hair of loudspeaker Sound.

In this embodiment, due to being additionally provided with Air Filter 10 between T iron 1 and shell 15, it is fixed that T iron 1 can be corresponded to Position protrusion 14 be arranged on Air Filter 10 be also provided with 14 corresponding location hole of positioning protrusion, between Air Filter 10 and T iron 1 lead to Positioning protrusion 14 is crossed to carry out being accurately positioned assembling with location hole.

By the above embodiment as can be seen that loudspeaker provided by the utility model, T is corresponded to by the bottom plate in T iron The position of iron threaded hole sets positioning protrusion so that positioning protrusion carries out pre-determined bit with shell or the location hole of other assemblies and matches somebody with somebody Close, can not only ensure the positioning accuracy between T iron and shell or other assemblies, additionally it is possible to increase the length of threaded hole, carry The fastening strength of high T iron, assembling product are simple, stable and reliable for performance.

Described in an illustrative manner above with reference to attached drawing according to the utility model proposes loudspeaker.But this area It will be appreciated by the skilled person that the loudspeaker proposed for above-mentioned the utility model, can also not depart from the utility model Various improvement are made on the basis of appearance.Therefore, the scope of protection of the utility model should be by the content of appended claims Determine.

Claims (10)

1. a kind of loudspeaker, including shell, the magnetic circuit system that is housed in the shell, the magnetic circuit system include T iron；It is special Sign is,

The T iron include bottom plate and with the vertically disposed side plate of the bottom plate；

At least three threaded holes of position correspondence are provided with the bottom plate and the shell, the spiral shell is corresponded in the bottom plate The position of pit is provided with positioning protrusion；

The position that the positioning protrusion is corresponded in the shell is provided with location hole；

The positioning protrusion is spacing in the location hole, and the T iron and the shell with the threaded hole by being adapted Bolt is fixedly connected.

2. loudspeaker as claimed in claim 1, it is characterised in that

The positioning protrusion is arranged on the threaded hole close to the side of the shell.

3. loudspeaker as claimed in claim 1, it is characterised in that

The bottom plate is circular configuration, and on the axis direction along the bottom plate, the thickness of the threaded hole is more than the bottom plate Thickness.

4. loudspeaker as claimed in claim 1, it is characterised in that

Equally distributed three threaded holes are provided with the bottom plate.

5. loudspeaker as claimed in claim 1, it is characterised in that

Orientation notch or locator projections are provided with the bottom plate.

6. loudspeaker as claimed in claim 5, it is characterised in that

When setting orientation notch on the bottom plate；

The orientation notch is the arc groove, rectangular recess or straight line trimming being arranged on the bottom plate.

7. loudspeaker as claimed in claim 5, it is characterised in that

When setting locator projections on the bottom plate；

The locator projections are arc chimb, rectangle chimb or point-like convex block.

8. loudspeaker as claimed in claim 5, it is characterised in that the magnetic circuit system includes being successively set in the T iron Magnet and washer；

The magnet and the washer are the loop configuration being set on the outside of the side plate.

9. loudspeaker as claimed in claim 8, it is characterised in that

The bottom plate is circular configuration, along through the locator projections the bottom plate diametric(al) on, the bottom plate with The sum of size of the locator projections is not more than the size of the magnet.

10. loudspeaker as claimed in claim 8, it is characterised in that

The assembling that the orientation notch or the locator projections are used for the T iron and the magnet and the washer is determined To.