CN201887940U - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN201887940U CN201887940U CN2010206343619U CN201020634361U CN201887940U CN 201887940 U CN201887940 U CN 201887940U CN 2010206343619 U CN2010206343619 U CN 2010206343619U CN 201020634361 U CN201020634361 U CN 201020634361U CN 201887940 U CN201887940 U CN 201887940U
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- CN
- China
- Prior art keywords
- voice coil
- pole piece
- magnet
- support
- loam cake
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
A loudspeaker comprises a casing, a magnet, a pole piece and a voice coil, wherein the magnet, the pole piece and the voice coil are arranged in the casing, and the casing is formed by folding an aluminum rear shade and an upper cover. The loudspeaker is characterized in that a support with an upper opening is fixed into the aluminum rear shade, the magnet is fixedly arranged in the support, the pole piece is fixed to the upper side of the magnet in an adhered manner so that an internal magnetic circuit is formed, the voice coil is fixed to the upper side of the pole piece by the aid of a baffle plate on the support, the lower portion of the voice coil is sleeved in the gap between the outside of the pole piece and the upper opening of the support, and the upper portion of the voice coil is connected with the upper cover. The loudspeaker is in an internal magnetic circuit structure, so that the antimagnetic performance of the loudspeaker is improved greatly. Sealing parts are lined at both a folded position of the casing and a threaded connection position of a dustproof cover, and sealing parts are further sleeved on the outsides of the folded position of the casing and the threaded connection position of the dustproof cover, so that double sealing is realized and excellent waterproof effect is achieved. Simultaneously, the loudspeaker in a flat plate structure is firm in structure, small in size and light in weight, has fine acoustic quality effect for conduction of super-bass, and is especially applicable to common ultra-large bathing pools, family bathtubs and the like.
Description
Technical field
The utility model belongs to the loudspeaker techniques field, and especially a kind of have antimagnetic water resistance simultaneously, and the loud speaker of subwoofer conduction function is arranged again.
Background technology
Loud speaker generally all is made up of housing, magnetism circuit system and vibrational system, the most pandemic in the market loud speaker is an external magnetic type awl basin loudspeaker, and woofer also is based on external magnetic type awl basin loudspeaker mostly, not only volume is big, the manufacturing cost height, and owing to be external magnetic type, the anti-magnetic property of loud speaker is influence to some extent just.The flat panel speaker that has at present also occurred improving, as the patent No. is the Chinese patent " cellular dull and stereotyped woofer " of 200420094867.x, it is by the basin that shakes, promote awl, voice coil loudspeaker voice coil, play ripple, the basin frame, magnet, washer, T iron constitutes, promote to bore the basin that to shake, voice coil loudspeaker voice coil and bullet ripple bond together, form speaker vibration system, magnet, washer, T iron constitute external magnetic type magnetism loop, and T iron is with I-shaped structure, there is a through hole at the center, the basin that it is characterized in that shaking is the flat board basin that shakes, and the flat board basin that shakes is a honeycomb type structure, and it is to adopt external magnetic type magnetism loop, though bass tonequality is made moderate progress, not very desirable for antimagnetic and water resistance.And for example the patent No. is 200520035309.0 Chinese patent " the big voice coil loudspeaker voice coil panel speaker of interior magnetic ", comprise magnet, magnetic conductor, voice coil loudspeaker voice coil, sound basin, skeleton, lead portion, it is characterized in that: the sound basin is plate, and magnet is interior, magnetic conductor is the internal magnetic type magnetic line structure outside.Though it has adopted the internal magnetization magnetic circuit, have anti-magnetic property, on water resistance and bass resonance effect, also be short of to some extent, can not be applicable to that the bathing pool of Household bathtub and super large occasion uses.
Summary of the invention
Technical problem to be solved in the utility model is that a kind of firm in structure, loud speaker with antimagnetic, water resistance and subwoofer transport properties is provided at the above-mentioned state of the art.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of loud speaker, and comprise housing, be arranged on magnet, pole piece, voice coil loudspeaker voice coil in the housing, it is characterized in that:
Described housing internal fixation has a support with upper shed, and described magnet is fixedly installed in the support, and pole piece is adhesively fixed on the top of magnet, and has magnetic gap with the upper shed medial surface of support, magnet, pole piece and be configured to the internal magnetic type magnetic road;
Described voice coil loudspeaker voice coil is plugged in the gap of pole piece and support by the bottom that the plate washer on the support is fixed on pole piece top, voice coil loudspeaker voice coil, and the top of voice coil loudspeaker voice coil links to each other with the loam cake of housing.
As improvement, described magnet, pole piece are circular, and the diameter of magnet is less than the diameter of pole piece, and described magnet, pole piece, voice coil loudspeaker voice coil, plate washer are coaxial configuration, and described pole piece flushes with the upper shed end face of support.
As improvement, described support is fixedly to form by the annular slab on the yoke lid of bottom and top is involutory, described housing is to be involuted by aluminium back cover and loam cake, the bottom centre position of described yoke lid is provided with screw, the center of described aluminium back cover is provided with corresponding through hole, by screw aluminium back cover and yoke lid is connected and fixed.
As improvement, described plate washer is a loop configuration, and the one side of plate washer is adhesively fixed on the annular slab, and the middle part of described voice coil loudspeaker voice coil is plugged in the endoporus of plate washer and is adhesively fixed with the endoporus of plate washer.
As improvement, the center of described loam cake is provided with a circular open, and circular open is passed on the top of described voice coil loudspeaker voice coil, and links to each other with loam cake, is provided with a dust cap in order to sealing above the circular open of loam cake.
As improvement, the upper surface of described loam cake is provided with the cannelure that cooperates with the dust cap lower end along the outside of circular open, and the lower end of described dust cap is plugged in the cannelure, and fixes by screw and loam cake.
As improvement, the center of described dust cap is provided with an installing hole, and the top of installing hole is lined with pad, and a screw passes installing hole and is connected with nut thread on the pad, and is equipped with a nut sleeve at nut overcoat and seals.
Further improve, the edge of opening of described aluminium back cover is provided with flanging, flanging is provided with a plurality of through holes, accordingly, the edge of opening of described loam cake is provided with flanging, and flanging is provided with a plurality of counterbores, and described aluminium back cover and loam cake are fixed by screw closure, and between the involutory flanging of aluminium back cover and loam cake, be lined with rubber washer, be equipped with rubber ring in the outside of involutory flanging and seal.
At last, the outside of described housing inner support is provided with an electric wire dop that is used for fixing electric wire.
Compared with prior art, advantage of the present utility model is:
The utility model adopts individual layer internal magnetic type magnetic line structure, has greatly improved the anti-magnetic property of loud speaker; Be lined with seal in the threaded connection place of the apposition position of housing and dust cap in all, be nested with seal outward again, carry out dual-seal, played good waterproof effect; Adopt plate armature simultaneously, firm in structure, volume is little, and is in light weight, has the good sound quality effect for subsonic conduction, be particularly useful for uses such as the bathing pool of super large occasion and Household bathtub.
Description of drawings
Fig. 1 is the structure cutaway view of the utility model embodiment;
Fig. 2 is the end view of the utility model embodiment;
Fig. 3 is the vertical view of the utility model embodiment;
Fig. 4 is the upward view of the utility model embodiment.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As shown in the figure, a kind of loud speaker, comprise housing, be arranged on the magnet 3 in the housing, pole piece 4, voice coil loudspeaker voice coil 5, plate washer 6 and support 7, described housing is to be involuted by loam cake 2 and aluminium back cover 1, described loam cake 2 is to have the peviform structure of circular open with aluminium back cover 1, upper opening edge at aluminium back cover 1 forms flanging, flanging upper edge circumference evenly is provided with 6 through holes, accordingly, the lower openings edge of described loam cake 2 forms flanging, flanging upper edge circumference evenly is provided with 6 counterbores, described aluminium back cover 1 and loam cake 2 by flanging involutory after, fix by screw closure, and between involutory flanging, be lined with rubber washer 16, be equipped with rubber ring 17 in the outside of involutory flanging and seal, to increase water resistance; Described support 7 is fixedly to form by the annular slab 72 on the yoke of bottom lid 71 and top is involutory, the bottom centre position of described yoke lid 71 is provided with screw, the center of described aluminium back cover 1 is provided with corresponding counterbore, be threaded fixing with yoke lid 71 aluminium back cover 1 by screw 13, in the internal cavities of support 7, be provided with a circular cross-section magnet 3, above magnet 3, be bonded with a circular pole piece 4, the slightly larger in diameter of described pole piece 4 is in the diameter of magnet 3, annular slab 72 end face of the upper surface of described pole piece 4 and support 7, the opening internal diameter of described annular slab 72 is slightly larger than the diameter of pole piece 4, magnet 3 is arranged in the support 7 like this, pole piece 4 belows, form individual layer internal magnetization magnetic circuit system, have good Magnetic Shielding Effectiveness and prevent that effectively magnetic field from leaking; On annular slab 72, be set with the plate washer 6 of an annular, described voice coil loudspeaker voice coil 5 is fixed in the plate washer 6 by plant, the bottom of voice coil loudspeaker voice coil 5 is nested with in the outside of pole piece 4, and keeps certain interval with pole piece 4, and described magnet 3, pole piece 4, voice coil loudspeaker voice coil 5, plate washer 6 are coaxial configuration; The center of described loam cake 2 is provided with a circular open, the top of opening is provided with dust cap 8, circular open is passed on the top of described voice coil loudspeaker voice coil 5, be arranged on the below of dust cap 8, the upper outside of voice coil loudspeaker voice coil 5 links to each other with loam cake 2, be provided with a cannelure that cooperates with dust cap 8 bottoms at the upper surface of described loam cake 2 along the outside of circular open, the lower end of described dust cap 8 is plugged in the cannelure, and it is fixing by screw and loam cake 2, the center of described dust cap 8 is provided with an installing hole, the top of installing hole is lined with pad 11, one screws 9 and passes installing hole and be threaded with nut 10 on the pad 11, and is equipped with rubber nut cover 12 seals outside nut 10; Arranged outside at support 7 has an electric wire dop 14, is used for fixing electric wire 15.
Claims (9)
1. a loud speaker comprises housing, is arranged on magnet, pole piece, voice coil loudspeaker voice coil in the housing, it is characterized in that:
Described housing internal fixation has a support with upper shed, and described magnet is fixedly installed in the support, and pole piece is adhesively fixed on the top of magnet, and has magnetic gap with the upper shed medial surface of support, magnet, pole piece and be configured to the internal magnetic type magnetic road;
Described voice coil loudspeaker voice coil is plugged in the gap of pole piece and support by the bottom that the plate washer on the support is fixed on pole piece top, voice coil loudspeaker voice coil, and the top of voice coil loudspeaker voice coil links to each other with the loam cake of housing.
2. loud speaker according to claim 1 is characterized in that described magnet, pole piece for circular, and the diameter of magnet is less than the diameter of pole piece, and described magnet, pole piece, voice coil loudspeaker voice coil, plate washer are coaxial configuration, and described pole piece flushes with the upper shed end face of support.
3. loud speaker according to claim 1, it is characterized in that described support is fixedly to be formed with the annular slab on top is involutory by the yoke of bottom lid, described housing is to be involuted by aluminium back cover and loam cake, the bottom centre position of described yoke lid is provided with screw, the center of described aluminium back cover is provided with corresponding through hole, by screw aluminium back cover and yoke lid is connected and fixed.
4. loud speaker according to claim 3 is characterized in that described plate washer is a loop configuration, and the one side of plate washer is adhesively fixed on the annular slab, and the middle part of described voice coil loudspeaker voice coil is plugged in the endoporus of plate washer and is adhesively fixed with the endoporus of plate washer.
5. loud speaker according to claim 1 is characterized in that the center of described loam cake is provided with a circular open, and circular open is passed on the top of described voice coil loudspeaker voice coil, and links to each other with loam cake, is provided with a dust cap in order to sealing above the circular open of loam cake.
6. loud speaker according to claim 6, the upper surface that it is characterized in that described loam cake is provided with the cannelure that cooperates with the dust cap lower end along the outside of circular open, and the lower end of described dust cap is plugged in the cannelure, and fixes by screw and loam cake.
7. loud speaker according to claim 7, the center that it is characterized in that described dust cap is provided with an installing hole, the top of installing hole is lined with pad, and a screw passes installing hole and is connected with nut thread on the pad, and is equipped with a nut sleeve at nut overcoat and seals.
8. loud speaker according to claim 3, the edge of opening that it is characterized in that described aluminium back cover is provided with flanging, flanging is provided with a plurality of through holes, accordingly, the edge of opening of described loam cake is provided with flanging, and flanging is provided with a plurality of counterbores, and described aluminium back cover and loam cake are fixed by screw closure, and between the involutory flanging of aluminium back cover and loam cake, be lined with rubber washer, be equipped with rubber ring in the outside of involutory flanging and seal.
9. loud speaker according to claim 1, the outside that it is characterized in that described housing inner support are provided with an electric wire dop that is used for fixing electric wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206343619U CN201887940U (en) | 2010-11-22 | 2010-11-22 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206343619U CN201887940U (en) | 2010-11-22 | 2010-11-22 | Loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201887940U true CN201887940U (en) | 2011-06-29 |
Family
ID=44185482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206343619U Expired - Lifetime CN201887940U (en) | 2010-11-22 | 2010-11-22 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201887940U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105704615A (en) * | 2016-01-25 | 2016-06-22 | 何长毛 | Waterproof loudspeaker and earphone |
| WO2021237788A1 (en) * | 2020-05-29 | 2021-12-02 | 瑞声声学科技(深圳)有限公司 | Sound production device |
-
2010
- 2010-11-22 CN CN2010206343619U patent/CN201887940U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105704615A (en) * | 2016-01-25 | 2016-06-22 | 何长毛 | Waterproof loudspeaker and earphone |
| CN105704615B (en) * | 2016-01-25 | 2019-03-19 | 何长毛 | A kind of waterproof speaker and earphone |
| WO2021237788A1 (en) * | 2020-05-29 | 2021-12-02 | 瑞声声学科技(深圳)有限公司 | Sound production device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110629 |