CN205847568U - A kind of speaker unit - Google Patents
A kind of speaker unit Download PDFInfo
- Publication number
- CN205847568U CN205847568U CN201620733289.2U CN201620733289U CN205847568U CN 205847568 U CN205847568 U CN 205847568U CN 201620733289 U CN201620733289 U CN 201620733289U CN 205847568 U CN205847568 U CN 205847568U
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- China
- Prior art keywords
- voice coil
- ferrum
- shell
- vibrating diaphragm
- speaker unit
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Abstract
The utility model discloses a kind of speaker unit, including shell, vibrational system and magnetic circuit system；Vibrational system includes vibrating diaphragm and voice coil loudspeaker voice coil, and wherein, described vibrating diaphragm is fixing is provided with opening on the housing in the centre of described vibrating diaphragm, and described voice coil loudspeaker voice coil is fixed on the opening part of described vibrating diaphragm, and is suspended in described shell；Magnetic circuit system includes the U ferrum being adhesively fixed with described shell, is positioned at described U ferrum and near the Magnet of described voice coil loudspeaker voice coil side and is positioned at the described Magnet washer away from described U ferrum side；Further, described shell the position at described U ferropexy is provided with the boss of discontinuous.Speaker unit of the present utility model, at boss upper point glue, positions U ferrum, and this structure can make glue fully penetrate into outer casing bottom, increase into glue amount, such that it is able to make shell more firm with the bonding of U ferrum, it is to avoid come off risk.
Description
Technical field
This utility model relates to acoustic-electric switch technology field, more specifically, relating to a kind of speaker.
Background technology
Speaker as converting electrical energy into the conventional electro-acoustic transducer device of acoustic energy, its play in sound place system can not or
The effect lacked.In our daily life, using speaker most, widest is dynamic speaker, is also called moving-coil type
Speaker.It is mainly made up of vibrational system, magnetic circuit system and aid system three part.Wherein, vibrational system includes vibrating diaphragm, sound
Circle and centring disk etc.；Magnetic circuit system includes Magnet, washer and U ferrum etc.；Aid system includes shell etc..In existing moving-coil type
In speaker, especially in loudspeaker, generally with ring and the cone basin composition sounding vibrating diaphragm of paper wood or Fiber Materials.Trumpet
Having the speech coil framework being connected with cone basin, being suspended in magnetic field, described speech coil framework produces vibration by electromagnetic induction effect, from
And drive diaphragm oscillations, manufacture sound.
Under normal circumstances, chamber surrounding utilizes seriality boss to position U ferrum, at boss above with a glue form in the enclosure
U ferrum and shell are bonded in one piece, and this shell mechanism limits glue and can not fully penetrate into bottom U ferrum, causes shell to glue with U ferrum
Close insecure, have the risk come off.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of shell and U ferrum bonds firm speaker unit.
For solving the problems referred to above, this utility model adopts the following technical scheme that a kind of speaker unit, including shell, shakes
Dynamic system and magnetic circuit system；Vibrational system includes vibrating diaphragm and voice coil loudspeaker voice coil, and wherein, described vibrating diaphragm is fixing on the housing, described
The centre of vibrating diaphragm is provided with opening, and described voice coil loudspeaker voice coil is fixed on the opening part of described vibrating diaphragm, and is suspended in described shell；Magnetic circuit system
System includes the U ferrum being adhesively fixed with described shell, is positioned at described U ferrum and near the Magnet of described voice coil loudspeaker voice coil side and is positioned at described magnetic
Ferrum is away from the washer of described U ferrum side；Further, described shell the position at described U ferropexy is provided with the convex of discontinuous
Platform.
Furthermore it is preferred that scheme be that the quantity of described boss is at least 2, and is evenly distributed.
Furthermore it is preferred that scheme be also to include that centring disk, described centring disk are arranged on described enclosure, outside
Edge is fixing with described shell to be connected, and inward flange is connected with the sidewall of described voice coil loudspeaker voice coil.
Furthermore it is preferred that scheme be also to include dust cover；Wherein, described dust cover is fixed on the opening part of described vibrating diaphragm,
And cohere fixing with described vibrating diaphragm.
Furthermore it is preferred that scheme be that described Magnet and described washer are housed in the cavity that described U ferrum and described shell are formed
In；Forming magnetic gap between described Magnet and described washer and described U ferrum, described voice coil loudspeaker voice coil is hung in magnetic gap.
Owing to have employed such scheme, described shell the position at described U ferropexy is provided with the boss of discontinuous,
At boss upper point glue, positioning U ferrum, this structure can make glue fully penetrate into outer casing bottom, increase into glue amount, such that it is able to
Make shell more firm with the bonding of U ferrum, it is to avoid come off risk.
By detailed description to exemplary embodiment of the present utility model referring to the drawings, of the present utility model other
Feature and advantage thereof will be made apparent from.
Accompanying drawing explanation
By with reference to below in conjunction with the explanation of accompanying drawing and the content of claims, and along with to of the present utility model more
Understanding, other purpose of the present utility model and result will be more apparent and should be readily appreciated that comprehensively.In the accompanying drawings:
Fig. 1 is the decomposition texture schematic diagram of the speaker according to this utility model embodiment；
Fig. 2 is the shell mechanism schematic diagram of the speaker according to this utility model embodiment.
Reference therein includes: shell 1, boss 11, vibrating diaphragm 21, voice coil loudspeaker voice coil 22, centring disk 23, U ferrum 31, Magnet
32, washer 33, dust cap 4.
The most identical label indicates similar or corresponding feature or function.
Detailed description of the invention
Various exemplary embodiment of the present utility model is described in detail now with reference to accompanying drawing.It should also be noted that it is unless another
Illustrating outward, the parts illustrated the most in these embodiments and positioned opposite, the numerical expression of step and numerical value do not limit
Make scope of the present utility model.
Description only actually at least one exemplary embodiment is illustrative below, never as to this practicality
Any restriction that is novel and that apply or use.
May be not discussed in detail for technology and equipment known to person of ordinary skill in the relevant, but in suitable situation
Under, described technology and equipment should be considered a part for description.
It is shown here that any occurrence should be construed as merely exemplary with in all examples discussed, and not
It is as restriction.Therefore, other example of exemplary embodiment can have different values.
It should also be noted that similar label and letter represent similar terms, therefore, the most a certain Xiang Yi in following accompanying drawing
Individual accompanying drawing is defined, then need not it is further discussed in accompanying drawing subsequently.
As shown in Figure 1 and Figure 2, the speaker unit of this utility model embodiment, including shell 1, vibrational system and magnetic circuit system
System.Vibrational system includes vibrating diaphragm 21 and voice coil loudspeaker voice coil 22, and vibrating diaphragm 21 generally circular pyramidal structure, centre is provided with opening, vibrating diaphragm
The outward flange of 21 is arranged on shell 1, and inward flange reaches in shell 1.Voice coil loudspeaker voice coil 22 is fixedly mounted on the opening part in the middle of vibrating diaphragm 21,
Voice coil loudspeaker voice coil 22 is suspended in shell 1 by vibrating diaphragm 21.Magnetic circuit system is arranged on shell 1, is used for producing magnetic field.Magnetic circuit system include with
U ferrum 31 that shell 1 is adhesively fixed, it is positioned at U ferrum 31 and near the Magnet 32 of voice coil loudspeaker voice coil 22 side and is positioned at Magnet 32 away from U ferrum 31 1
The washer 33 of side.Magnet 32 and washer 33 are housed in U ferrum 31 and combine in the cavity constituted with shell 1.Magnet 32 and washer 33 and U
There is gap (magnetic gap) between the sidewall of ferrum 31, produce uniform magnetic field.The bottom of voice coil loudspeaker voice coil 22 extend in magnetic gap, and is positioned at
In uniform magnetic field.Voice coil loudspeaker voice coil 22 produces vibration by galvanomagnetic-effect, thus drives vibrating diaphragm 21 vibrate and send sound.Additionally, at U ferrum
31, being provided with, on Magnet 32 and washer 33, the central through hole that position is corresponding up and down, the rear operatic tunes for speaker goes out acoustic aperture.
In specific embodiment of the utility model, the position with U ferrum 31 bearing of shell 1 is provided with the convex of discontinuous
Platform 11.The quantity of boss 11 is at least 2, and is evenly distributed.Certainly greater number of boss 11 it is also provided with, such as
3,4,5 etc., the quantity of boss 11 can be adjusted by those skilled in the art according to practical situation, this utility model
Do not limit.
In specific embodiment of the utility model, described speaker unit can also include centring disk 23.Such as Fig. 1 institute
Showing, centring disk 23 is annular, has the flaky texture that bending rises and falls.It is internal that centring disk 23 is arranged on shell 1, centering
The outward flange of sheet 23 is fixed with shell 1 and is connected, and inner edges is connected with the sidewall of voice coil loudspeaker voice coil 22.Centring disk 23 is for steady sound
The vibrational state of circle 22, makes stable the vibrating along the direction being perpendicular to magnetic field of voice coil loudspeaker voice coil.
In another detailed description of the invention of the present utility model, speaker unit also includes cohering fixing preventing with vibrating diaphragm 21
Dirt cap 4, dust cap 4 can be arcwall face shape structure, and for reaching more preferable acoustic efficiency, dust cap 4 can use and vibrating diaphragm 21
The material that material is identical is made, and owing to the inward flange of vibrating diaphragm 21 forms opening, dust cap 4 is fixed on the opening part of vibrating diaphragm 21, energy
Enough prevent foreign body, dust etc. from dropping down onto in voice coil loudspeaker voice coil 22 and shell 1, it is to avoid to affect the acoustical behavior of speaker, additionally, dust cap 4 is also
Acoustic short circuit phenomenon can be prevented by completely isolated for the upper side and lower side of vibrating diaphragm 21.
Speaker unit of the present utility model, at boss upper point glue, positions U ferrum, and this structure can make glue ooze completely
Enter to outer casing bottom, increase into glue amount, such that it is able to make shell more firm with the bonding of U ferrum, it is to avoid come off risk.
Although by example, specific embodiments more of the present utility model have been described in detail, but this area
It is to be understood by the skilled artisans that above example is merely to illustrate rather than in order to limit scope of the present utility model.This
Field it is to be understood by the skilled artisans that can be in the case of without departing from scope and spirit of the present utility model, to above example
Modify.Scope of the present utility model is defined by the following claims.
Claims (5)
1. a speaker unit, including shell, vibrational system and magnetic circuit system；Vibrational system includes vibrating diaphragm and voice coil loudspeaker voice coil, wherein,
Described vibrating diaphragm is fixing is provided with opening on the housing in the centre of described vibrating diaphragm, and described voice coil loudspeaker voice coil is fixed on described vibrating diaphragm
Opening part, and be suspended in described shell；Magnetic circuit system includes the U ferrum being adhesively fixed with described shell, to be positioned at described U ferrum close
The Magnet of described voice coil loudspeaker voice coil side and be positioned at the described Magnet washer away from described U ferrum side；It is characterized in that, described shell
With the boss that the position at described U ferropexy is provided with discontinuous.
Speaker unit the most according to claim 1, it is characterised in that the quantity of described boss is at least 2, and point
Cloth is uniform.
Speaker unit the most according to claim 1, it is characterised in that also include centring disk, described centring disk is pacified
Being contained in described enclosure, outward flange is fixing with described shell to be connected, and inward flange is connected with the sidewall of described voice coil loudspeaker voice coil.
Speaker unit the most according to claim 1, it is characterised in that also include dust cover；Wherein, described dust cover is solid
It is scheduled on the opening part of described vibrating diaphragm, and coheres fixing with described vibrating diaphragm.
Speaker unit the most according to claim 1, it is characterised in that described Magnet and described washer are housed in described U
In the cavity that ferrum and described shell are formed；Forming magnetic gap between described Magnet and described washer and described U ferrum, described voice coil loudspeaker voice coil hangs
It is located in magnetic gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620733289.2U CN205847568U (en) | 2016-07-12 | 2016-07-12 | A kind of speaker unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620733289.2U CN205847568U (en) | 2016-07-12 | 2016-07-12 | A kind of speaker unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205847568U true CN205847568U (en) | 2016-12-28 |
Family
ID=57619330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620733289.2U Active CN205847568U (en) | 2016-07-12 | 2016-07-12 | A kind of speaker unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205847568U (en) |
-
2016
- 2016-07-12 CN CN201620733289.2U patent/CN205847568U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |