CN205912255U - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
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- CN205912255U CN205912255U CN201620828045.2U CN201620828045U CN205912255U CN 205912255 U CN205912255 U CN 205912255U CN 201620828045 U CN201620828045 U CN 201620828045U CN 205912255 U CN205912255 U CN 205912255U
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- voice coil
- basin
- compound
- speaker according
- position limiting
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Abstract
The utility model discloses a loudspeaker relates to electro -acoustic products technical field, put up and fix including the basin vibration system and magnetic circuit on the basin frame, vibration system is including compound basin and voice coil loudspeaker voice coil, compound basin is including the dustproof portion that connects gradually from inside to outside, vibration portion and roll over ring portion together, dustproof portion with be connected with limit structure between the vibration portion, limit structure is downwardly extending's annular bulge, the side of the skeleton of voice coil loudspeaker voice coil with limit structure fixed connection. The utility model discloses loudspeaker has solved the compound basin loudspeaker's of integration voice coil loudspeaker voice coil and the easy incline of compound basin bonding among the prior art, bonding fastness subalternation technical problem, the utility model discloses it is divergent bad can not appear bonding between loudspeaker's voice coil loudspeaker voice coil and the compound basin, and acoustic performance is high, it is firm to bond simultaneously, and the reliability is high, long service life.
Description
Technical field
This utility model is related to electro-acoustic product technical field, particularly to a kind of speaker.
Background technology
Speaker is commonly called as loudspeaker, spreads out of for audio electrical signal is converted to sound, is a kind of energy conversion device.Conventional
Speaker include frame and be fixed on the vibrational system in frame and magnetic circuit system, what vibrational system included being combined together answers
Close basin, voice coil loudspeaker voice coil and dust cap, magnetic circuit system includes u ferrum or t ferrum and is sequentially fixed at the Magnet on u ferrum or t ferrum and washer, Magnet
Form magnetic gap and washer and u ferrum or t ferrum between, the end of voice coil loudspeaker voice coil is located in magnetic gap, and according to by the friendship in its coil
The stream sound wave signal of telecommunication moves up and down in magnetic gap, drives basin with compound up-down vibration sounding.
A kind of integration basin with compound occurs at present it is simply that original basin with compound and dust cap are formed integrally structure, integrally
The basin with compound of structure is needed when being connected with voice coil loudspeaker voice coil to voice coil designs one position limiting structure, but existing position limiting structure all exist with
Lower defect:
First, the size inconvenience management and control of position limiting structure, so that the fit clearance of voice coil loudspeaker voice coil and basin with compound is bigger than normal or less than normal, leads to
Basin with compound deflection bonding with voice coil loudspeaker voice coil, thus affect the acoustical behavior of speaker；
2nd, when basin with compound is bonding with voice coil loudspeaker voice coil, it is only that the top of speech coil framework is bonding with position limiting structure, bond area is little, jail
Solidity is poor, problem that skeleton and basin with compound depart from occurs when standing high-power reliability test so that the use of speaker
Life-span greatly shortens.
Utility model content
For disadvantages described above, technical problem to be solved in the utility model is to provide a kind of speaker, this speaker
Coordinate accurately between speech coil framework and basin with compound, be not in the bad of bonding deflection, acoustical behavior is good；And speech coil framework with
Between basin with compound, bonding is firm, without departing from reliability is high, long service life in the case of high-power.
For solving above-mentioned technical problem, the technical solution of the utility model is:
A kind of speaker, including frame and be fixed on the vibrational system in described frame and magnetic circuit system, described vibration system
System includes basin with compound and voice coil loudspeaker voice coil, and described basin with compound includes dustproof part, vibration section and the ring being connected in turn from inside to outside
Portion, is connected with position limiting structure between described dustproof part and described vibration section, described position limiting structure is the annular projection extending downwardly,
The side of the skeleton of described voice coil loudspeaker voice coil is fixedly connected with described position limiting structure.
Wherein, described position limiting structure and described dustproof part and described vibration section are structure as a whole.
Wherein, described position limiting structure includes the lateral wall being extended downwardly respectively and interior by described vibration section and described dustproof part
Side wall, is connected as one by bending part between described lateral wall and described medial wall.
As a kind of embodiment, the medial surface of described skeleton is fixedly connected with described lateral wall.
As another embodiment, the lateral surface of described skeleton is fixedly connected with described medial wall.
Wherein, described vibrational system also includes centring disk, and the inward flange of described centring disk is fixed on described skeleton,
The outward flange of described centring disk is fixed in described frame.
Wherein, described magnetic circuit system includes magnetic conductive part and is sequentially fixed at the Magnet on described magnetic conductive part and washer.
Wherein, described magnetic conductive part is t ferrum, described washer and described frame secure bond.
Wherein, described washer is provided with the locating dowel of some projections, the position of corresponding each described locating dowel in described frame
On be respectively equipped with the location hole matching with each described locating dowel.
Wherein, described magnetic conductive part is u ferrum, described u ferrum and described frame secure bond.
After employing technique scheme, the beneficial effects of the utility model are:
The basin with compound being structure as a whole due to the basin with compound of this utility model speaker, is set between its dustproof part and vibration section
There is the position limiting structure of the annular projection extending downwardly, the side of the skeleton of voice coil loudspeaker voice coil is fixedly connected with position limiting structure.I.e. skeleton is enclosed within
The outside of position limiting structure or inner side, the side of position limiting structure is mutually bonding with the side of skeleton, this kind of downwardly convex position limiting structure
The size that it extends downwardly can be adjusted flexibly, to increase itself bond area and skeleton between, thus ensureing adhesive strength, energy
Enough bear powerful reliability test, reliability high it is ensured that the service life of speaker；The size of position limiting structure is held simultaneously
Easily management and control, as long as the external diameter of guarantee position limiting structure is adapted with the internal diameter of skeleton or the internal diameter of position limiting structure and the external diameter phase of skeleton
Be adapted to, be not in the bad of basin with compound deflection bonding with voice coil loudspeaker voice coil, bonding concordance good it is ensured that the acoustics of speaker
Energy.
Because vibrational system also includes centring disk, the inward flange of centring disk is fixed on skeleton, outside centring disk
Edge is fixed in frame.Centring disk can effectively prevent vibrational system from polarizing, and improves the acoustical behavior of speaker.
Because washer is provided with the locating dowels of some projections, the position of corresponding each locating dowel in frame is respectively equipped with respectively
The location hole that locating dowel matches.Locating dowel and location hole serve the effect of positioning when speaker assembles, and reduce assembling
Difficulty, improves the concordance of product；Also it is effectively increased the bond strength between washer and frame simultaneously, reduce magnetic circuit
The risk that system comes off from frame, extends the service life of speaker.
In sum, this utility model speaker solves the voice coil loudspeaker voice coil of the compound basin loudspeaker of integration in prior art and answers
The conjunction easy deflection of basin bonding, the technical problem such as bonding fastness difference, will not between the voice coil loudspeaker voice coil of this utility model speaker and basin with compound
The bad of bonding deflection occurs, acoustical behavior is high；Firmly, reliability is high, long service life for bonding simultaneously.
Brief description
Fig. 1 is the decomposition texture schematic diagram of this utility model speaker；
Fig. 2 is the cross section structure diagram of this utility model speaker；
Fig. 3 is a portion enlarged drawing of Fig. 2；
In figure: 10, basin with compound, 100, ring portion, 102, vibration section, 104, dustproof part, 106, position limiting structure, 1060, outer
Side wall, 1062, medial wall, 1064, bending part, 12, centring disk, 14, voice coil loudspeaker voice coil, 140, skeleton, 142, coil, 20, frame,
22nd, location hole, 24, boss, 30, washer, 300, locating dowel, 32, Magnet, 34, t ferrum, 340, acoustic aperture, 40, electric connection terminal.
Specific embodiment
With reference to the accompanying drawings and examples, this utility model is expanded on further.
Refer both in the orientation being related in this specification refer both to residing for magnetic circuit system under the direction residing for vibrational system, orientation
Direction.The inner side being related in this specification refers both to the side near speaker center.
Embodiment one:
As Fig. 1 and Fig. 2 is jointly shown, a kind of speaker, including frame 20, the upper end of frame 20 is fixed with vibrational system,
The lower end of frame 20 is fixed with magnetic circuit system.
Jointly shown with Fig. 3 as shown in Figure 1, Figure 2, vibrational system includes basin with compound 10 and voice coil loudspeaker voice coil 14.Basin with compound 10 is fixed on basin
On the upper surface of frame 20, basin with compound 10 includes dustproof part 104, vibration section 102 and the ring being combined together successively from inside to outside
Portion 100.The outward flange in ring portion 100 is fixed on the upper surface of frame 20, is connected between vibration section 102 and dustproof part 104
Position limiting structure 106, the preferred position limiting structure of present embodiment 106 is structure as a whole with vibration section 102 and dustproof part 104.Spacing knot
Structure 106 is the annular projection extending downwardly, and including the lateral wall 1060 being extended downwardly by the inward flange of vibration section 102, also includes
The medial wall 1062 being extended downwardly by the outward flange of dustproof part 104, passes through bending part between lateral wall 1060 and medial wall 1062
1064 connect as one.Voice coil loudspeaker voice coil 14 includes the skeleton 140 of cylindrical shape, and the lower end of skeleton 140 is tied with coil 142, skeleton 140 upper
End is fixed together with position limiting structure 106, and skeleton 140 is enclosed within the outside of position limiting structure 106, i.e. the medial surface of skeleton 140
Fit together with lateral wall 1060, and be adhesively fixed connection by glue, the internal diameter of skeleton 140 is outer with position limiting structure 106
Footpath is adapted, and bonding location is accurate, and bond area is big, and the fastness of combination is strong.
As Fig. 1 and Fig. 2 is jointly shown, vibrational system also includes being looped around the centring disk 12 of skeleton 140 periphery, centering
The inward flange of piece 12 is fixed on the middle part of skeleton 140, and the outward flange of centring disk 12 is fixed on the boss 24 of frame 20 inner side,
Centring disk 12 plays the effect of centering to vibrational system, prevents vibrational system from polarizing.
As Fig. 1 and Fig. 2 is jointly shown, magnetic circuit system includes magnetic conductive part and is sequentially fixed at the Magnet 32 on magnetic conductive part
With washer 30.In present embodiment, magnetic conductive part is t ferrum 34, and Magnet 32 and washer 30 are circulus, are fixed on t ferrum 34
Edge, forms magnetic gap between the newel of Magnet 32 and washer 30 and t ferrum 34, the lower end of voice coil loudspeaker voice coil 14 is located at magnetic gap
Interior.The newel of t ferrum 34 is hollow structure, is communicated with speaker inner chamber with extraneous acoustic aperture 340, acoustic aperture 340 has in the middle part of it
Air pressure beneficial to balance basin with compound both sides about 10.
As Fig. 1 and Fig. 2 is jointly shown, the lower surface secure bond of the upper surface of washer 30 and frame 20, edge on washer 30
The circumferentially distributed locating dowel 300 having multiple projections, on the lower surface of frame 20, the position of corresponding each locating dowel 300 is respectively equipped with and determines
Position hole 22, location hole 22 is adapted with locating dowel 300, plays the effect of positioning when speaker assembles.
As Fig. 1 and Fig. 2 is jointly shown, the side wall of frame 20 is fixed with electric connection terminal 40, for electrically connect voice coil loudspeaker voice coil 14 with
The external circuit of speaker.
Embodiment two:
Present embodiment is essentially identical with embodiment one, and its difference is:
Voice coil loudspeaker voice coil is enclosed within the inner side of position limiting structure, and that is, the lateral surface of the skeleton of voice coil loudspeaker voice coil is combined with the medial wall of position limiting structure,
The internal diameter of position limiting structure is adapted with the external diameter of skeleton.
Embodiment three:
Present embodiment is all essentially identical with embodiment one and embodiment two, and its difference is:
Magnetic conductive part is u ferrum, and Magnet and washer are sequentially fixed at the centre of u ferrum, the side wall of Magnet and washer and u ferrum
Between form magnetic gap, the side wall ends of u ferrum and frame secure bond.
The integrated basin with compound of basin with compound of the present utility model, devise between the dustproof part of basin with compound and vibration section to
The annular projection of lower extension is as the position limiting structure of voice coil loudspeaker voice coil, and the side wall phase knot by the side wall of speech coil framework and position limiting structure
Close, effectively prevent basin with compound deflection bonding with voice coil loudspeaker voice coil bad while, the bond area of the two is bigger, the fastness of bonding
Higher it is ensured that the acoustical behavior of speaker and service life.
This utility model is not limited to above-mentioned specific embodiment, and those of ordinary skill in the art visualizes from above-mentioned
Send out, without performing creative labour, a variety of conversion made, all fall within protection domain of the present utility model.
Claims (10)
1. speaker, including frame and be fixed on the vibrational system in described frame and magnetic circuit system, described vibrational system includes
Basin with compound and voice coil loudspeaker voice coil, described basin with compound includes dustproof part, vibration section and the ring portion being connected in turn from inside to outside, and it is special
Levy and be, between described dustproof part and described vibration section, be connected with position limiting structure, described position limiting structure is the ring-type extending downwardly
Projection, the side of the skeleton of described voice coil loudspeaker voice coil is fixedly connected with described position limiting structure.
2. speaker according to claim 1 is it is characterised in that described position limiting structure and described dustproof part and described vibration
Portion is structure as a whole.
3. speaker according to claim 2 it is characterised in that described position limiting structure include respectively by described vibration section and
Lateral wall and medial wall that described dustproof part extends downwardly, are connected as by bending part between described lateral wall and described medial wall
Integrally.
4. speaker according to claim 3 is it is characterised in that the medial surface of described skeleton is fixing with described lateral wall even
Connect.
5. speaker according to claim 3 is it is characterised in that the lateral surface of described skeleton is fixing with described medial wall even
Connect.
6. the speaker according to claim 4 or 5 is it is characterised in that described vibrational system also includes centring disk, described
The inward flange of centring disk is fixed on described skeleton, and the outward flange of described centring disk is fixed in described frame.
7. speaker according to claim 6 is it is characterised in that described magnetic circuit system includes magnetic conductive part and fixes successively
Magnet on described magnetic conductive part and washer.
8. speaker according to claim 7 is it is characterised in that described magnetic conductive part is t ferrum, described washer and described basin
Frame secure bond.
9. speaker according to claim 8 is it is characterised in that described washer is provided with the locating dowel of some projections, institute
State and be respectively equipped with, on the position of corresponding each described locating dowel, the location hole being adapted with each described locating dowel in frame.
10. speaker according to claim 7 is it is characterised in that described magnetic conductive part is u ferrum, described u ferrum and described basin
Frame secure bond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620828045.2U CN205912255U (en) | 2016-08-02 | 2016-08-02 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620828045.2U CN205912255U (en) | 2016-08-02 | 2016-08-02 | Loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205912255U true CN205912255U (en) | 2017-01-25 |
Family
ID=57802603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620828045.2U Active CN205912255U (en) | 2016-08-02 | 2016-08-02 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205912255U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106028241A (en) * | 2016-08-02 | 2016-10-12 | 歌尔股份有限公司 | Loudspeaker |
-
2016
- 2016-08-02 CN CN201620828045.2U patent/CN205912255U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106028241A (en) * | 2016-08-02 | 2016-10-12 | 歌尔股份有限公司 | Loudspeaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210720 Address after: 261031 Weian Road, Ligu community, Qingchi street, high tech Zone, Weifang City, Shandong Province Patentee after: Weifang geldanna Electronic Technology Co.,Ltd. Address before: 261031 No. 268 Dongfang Road, hi tech Industrial Development Zone, Shandong, Weifang Patentee before: GOERTEK Inc. |
|
| TR01 | Transfer of patent right |