CN202085302U - Movable coil type electro acoustic transducer - Google Patents
Movable coil type electro acoustic transducer Download PDFInfo
- Publication number
- CN202085302U CN202085302U CN2011201788413U CN201120178841U CN202085302U CN 202085302 U CN202085302 U CN 202085302U CN 2011201788413 U CN2011201788413 U CN 2011201788413U CN 201120178841 U CN201120178841 U CN 201120178841U CN 202085302 U CN202085302 U CN 202085302U
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- type electro
- moving
- coil type
- voice coil
- mortise
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- Expired - Lifetime
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Abstract
The utility model discloses a movable coil type electro acoustic transducer, which comprises a vibration film and a driving unit for driving the vibration film to vibrate, wherein the vibration film comprises a rigid ball top part and a soft folding ring part, the folding ring part is arranged on the outer periphery of the ball top part and is fixed on a case of the movable coil type electro acoustic transducer, the driving unit comprises a voice coil and a voice coil support frame for fixing the voice coil, in addition, the middle part of the ball top part is provided with a mortise hole, and a mortise corresponding to the mortise hole is arranged on the sound coil support frame. Through the design, the driving unit can be easily and accurately positioned with the vibration film, and in addition, the combination of the driving unit and the vibration film unit is firmer.
Description
Technical field
The utility model relates to the electroacoustic transducer technical field, specifically, relates to a kind of moving-coil type electro-acoustic conversing device.
Background technology
Along with the development of various electronic products, a large amount of electro-acoustic transducer device particularly moving-coil type electro-acoustic conversing device has obtained using widely.The operation principle of well-known moving-coil type electro-acoustic conversing device is, the voice coil loudspeaker voice coil that is connected with alternating current is subjected to Lorentz force and makes vibration on the vibrational system generation vertical direction of moving-coil type electro-acoustic conversing device and sounding in magnetic field.
At present, the vibrational system of the moving-coil type electro-acoustic conversing device of known structure mainly comprises vibrating diaphragm and the driver element that combines with vibrating diaphragm, according to the acoustical behavior requirement, vibrating diaphragm can constitute by the ball top of a rigidity and the ring portion of a softness, driver element is made of voice coil suspension and the voice coil loudspeaker voice coil that is arranged on the voice coil suspension usually, and voice coil suspension is mode and the ball top secure bond by the some glue bond generally.This design, in the assembling process of vibrating diaphragm and driver element, driver element is not easy accurate location; And this traditional structural design vibrating diaphragm is insecure with combining of driver element, causes the bad of properties of product easily.
So, be necessary the moving-coil type electro-acoustic conversing device of said structure is further improved, to avoid above-mentioned defective.
The utility model content
The utility model is made in order to solve above-mentioned problems of the prior art, and its purpose is to provide a kind of moving-coil type electro-acoustic conversing device, solve driver element in the prior art be not easy accurate location and driver element combines unstable defective with vibrating diaphragm.
To achieve these goals, a kind of moving-coil type electro-acoustic conversing device that the utility model provides, comprise vibrating diaphragm and drive the driver element that described vibrating diaphragm vibrates, described vibrating diaphragm comprises the ball top of rigidity and soft ring portion, and described ring portion is arranged on described ball top periphery and is fixed on the shell of described moving-coil type electro-acoustic conversing device; Described driver element comprises the voice coil suspension of voice coil loudspeaker voice coil and fixing described voice coil loudspeaker voice coil, and the middle part at described ball top is provided with mortise, and described voice coil suspension is provided with the tenon of corresponding described mortise.
As a kind of improvement, described mortise periphery is provided with supporting walls, and the periphery of described tenon is provided with step-like boss.
As a kind of improvement, described mortise is the through hole that runs through described ball top upper and lower surface; Described tenon and described mortise are by a glue sealing and fixing.
As a kind of improvement, the body of described ring portion vertically extends.
As a kind of improvement, also be provided with centring disk on the described moving-coil type formula electroacoustic transducer.
After having taked above technology provided by the utility model: a kind of moving-coil type electro-acoustic conversing device, comprise vibrating diaphragm and drive the driver element that described vibrating diaphragm vibrates, described vibrating diaphragm comprises the ball top of rigidity and soft ring portion, and described ring portion is arranged on described ball top periphery and is fixed on the shell of described moving-coil type electro-acoustic conversing device; Described driver element comprises the voice coil suspension of voice coil loudspeaker voice coil and fixing described voice coil loudspeaker voice coil, and the middle part at described ball top is provided with mortise, and described voice coil suspension is provided with the tenon of corresponding described mortise.This design, driver element and vibrating diaphragm are accurately located easily, and the combination of driver element and vibrating diaphragm is more firm.
Description of drawings
By below in conjunction with accompanying drawing embodiment being described, above-mentioned feature of the present utility model and technological merit will become apparent and understand easily.
Fig. 1 is the stereogram of present embodiment moving-coil type electro-acoustic conversing device.
Fig. 2 be the moving-coil type electro-acoustic conversing device of Fig. 1 along A-A to cutaway view.
Fig. 3 be the assembling at the driver element of moving-coil type electro-acoustic conversing device of Fig. 1 and ball top along A-A to cutaway view.
Fig. 4 is the schematic perspective view of the assembling at the driver element of present embodiment moving-coil type electro-acoustic conversing device and ball top.
Fig. 5 is the schematic diagram of the driver element of present embodiment moving-coil type electro-acoustic conversing device.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done further detailed description.
In the following description, only the mode by explanation is described some one exemplary embodiment of the present utility model, undoubtedly, those of ordinary skill in the art can recognize, under the situation that does not depart from spirit and scope of the present utility model, can revise described embodiment with various mode.Therefore, accompanying drawing and be described in just illustratively in essence rather than is used to limit the protection range of claim.In addition, in this manual, identical Reference numeral indicates identical part.
Fig. 1 is the stereogram of the moving-coil type electro-acoustic conversing device that relates to of expression present embodiment; Fig. 2 be the expression this moving-coil type electro-acoustic conversing device along A-A shown in Figure 1 to cutaway view, as depicted in figs. 1 and 2, moving-coil type electro-acoustic conversing device in this implementation process comprises vibrating diaphragm 1 and drives the driver element 2 of vibrating diaphragm 1 vibration, wherein vibrating diaphragm 1 comprises the ball top 11 and the flexible ring portion 12 of rigidity, and wherein ring portion 12 is arranged on the edge at ball top 11 and is fixed on the shell 5 of moving-coil type electro-acoustic conversing device; Driver element 2 comprises voice coil suspension 21 and voice coil loudspeaker voice coil 22; Be provided with mortise 111 at the middle part at ball top 11, on voice coil suspension 21, be provided with the tenon 211 of corresponding mortise 111.
Owing to adopt above-mentioned design, realize combining of ball top and driver element by corresponding assembling between tenon and the mortise, make that the bond strength between driver element and the ball top is higher, avoid occurring connecting defectives such as insecure, that generation comes off; And since the position of tenon and mortise determine, make vibrating diaphragm 1 and with the accurate location easily of driver element 2 junctions; And vibrating diaphragm 1 and driver element 2 can in conjunction with more firm.
In addition, in the above-mentioned embodiment, driver element 2 is a flat structure, in the both sides of driver element 2 magnetic circuit that is formed by magnet 3 and magnetic conductive board 4 is set respectively also; Shell 5 forms the external frame of described moving-coil type electro-acoustic conversing device, also is combined with centring disk 6 between shell 5 and driver element 2, thereby prevents that driver element 2 from producing the polarization that departs from direction of vibration when vibrating.
Fig. 3 be the assembling at expression driver element of this moving-coil type electro-acoustic conversing device and ball top along A-A shown in Figure 1 to cutaway view; Fig. 4 is the driver element of this moving-coil type electro-acoustic conversing device of expression and the assembling schematic perspective view at ball top; Fig. 5 is the schematic diagram of the driver element of this moving-coil type electro-acoustic conversing device of expression, and preferred design is as shown in Figure 3-Figure 5 in this implementation process:
In this implementation process, preferred, the periphery of mortise 111 1 sides that combine with driver element 2 is provided with supporting walls 112, and tenon 211 peripheries are provided with step-like boss 212, boss 212 and supporting wall 112 corresponding combinations.This design can be so that the assembling at driver element and vibrating diaphragm ball top be more firm.
In this implementation process, preferred, mortise 111 is the through hole that runs through the upper and lower surface at ball top 11; Tenon 211 is fixed with 111 glue of mortise.This design, technology is simple, and the assembling of tenon and mortise is more firm.
In this implementation process, preferred, the body of ring portion 12 vertically extends.This design, ring portion body does not take the space on the horizontal direction, helps reducing the thickness of moving-coil type electro-acoustic conversing device.
During each was implemented at the utility model, the design of aspects such as product structure such as magnetic circuit did not influence the enforcement of the invention.
Under above-mentioned instruction of the present utility model; those skilled in the art can carry out various improvement and distortion on the basis of the foregoing description; and these improvement and distortion; all drop in the protection range of the present utility model; those skilled in the art should be understood that; above-mentioned specific descriptions are just better explained the purpose of this utility model, and protection range of the present utility model is limited by claim and equivalent thereof.
Claims (5)
1. moving-coil type electro-acoustic conversing device, comprise vibrating diaphragm and drive the driver element that described vibrating diaphragm vibrates, described vibrating diaphragm comprises the ball top of rigidity and soft ring portion, and described ring portion is arranged on described ball top periphery and is fixed on the shell of described moving-coil type electro-acoustic conversing device; Described driver element comprises the voice coil suspension of voice coil loudspeaker voice coil and fixing described voice coil loudspeaker voice coil, it is characterized in that the middle part at described ball top is provided with mortise, and described voice coil suspension is provided with the tenon of corresponding described mortise.
2. moving-coil type electro-acoustic conversing device according to claim 1 is characterized in that,
Described mortise periphery is provided with supporting walls, and the periphery of described tenon is provided with step-like boss.
3. moving-coil type electro-acoustic conversing device according to claim 2 is characterized in that,
Described mortise is the through hole that runs through described ball top upper and lower surface; Described tenon and described mortise are by a glue sealing and fixing.
4. moving-coil type electro-acoustic conversing device according to claim 1 is characterized in that,
The body of described ring portion vertically extends.
5. according to the described moving-coil type electro-acoustic conversing device of the arbitrary claim of claim 1-4, it is characterized in that, also be provided with centring disk on the described moving-coil type formula electroacoustic transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201788413U CN202085302U (en) | 2011-05-31 | 2011-05-31 | Movable coil type electro acoustic transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201788413U CN202085302U (en) | 2011-05-31 | 2011-05-31 | Movable coil type electro acoustic transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202085302U true CN202085302U (en) | 2011-12-21 |
Family
ID=45345914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201788413U Expired - Lifetime CN202085302U (en) | 2011-05-31 | 2011-05-31 | Movable coil type electro acoustic transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202085302U (en) |
-
2011
- 2011-05-31 CN CN2011201788413U patent/CN202085302U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111221 |