CN203206429U - Telephone receiver with improved structure - Google Patents
Telephone receiver with improved structure Download PDFInfo
- Publication number
- CN203206429U CN203206429U CN 201320141105 CN201320141105U CN203206429U CN 203206429 U CN203206429 U CN 203206429U CN 201320141105 CN201320141105 CN 201320141105 CN 201320141105 U CN201320141105 U CN 201320141105U CN 203206429 U CN203206429 U CN 203206429U
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- vibrating diaphragm
- shielding shell
- electromagnetic shielding
- cavity
- armature
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Abstract
A telephone receiver with an improved structure is disclosed. The telephone receiver comprises an electromagnetic shielding shell, a vibrating diaphragm assembly and an electromagnetic conversion device, wherein the electromagnetic conversion device comprises an armature, a wire coil and permanent magnets; the armature comprises a main body and side wings; the main body is a long strip-shaped plate material having a head part and a tail part; the side wings are symmetrically arranged at the two sides of the head part and are bent downwards; the tail part is bent downwards; the bent main body is a U-shaped component; the wire coil is sleeved on the bent part of the U-shaped component and is fixedly connected with the side wings; and the permanent magnets are symmetrically arranged at the upper side and the lower side of the tail part and are respectively fixedly at the inner side of the head part and the inner side of a bottom plate. The telephone receiver with an improved structure is disclosed by the utility model is characterized in that the technology that an iron core is extensively adopted as a magnetic loop by a magnetic force conversion mechanism in a conventional telephone receiver is abandoned; the improved armature and the shell body are combined to form an enclosed magnetic loop; and the production cost is reduced while the magnetic conductivity of the armature is sufficiently utilized.
Description
Technical field
The utility model relates to a kind of sound-producing device, specifically, relates to a kind of structure improved receiver that has.
Background technology
Receiver is a kind of electro-acoustic element that audio electrical signal is converted to voice signal under the voiceless sound leak condition, is widely used in communication terminal product, to realize audio playback, is mainly used in mobile phone, earphone and hearing aid field.Along with improving constantly of living standard, people to employed mobile phone, earphone and hearing aids more and more to light, thinning development, particularly in earphone and hearing aid field, with the crowd often acceptant more microminiaturized product come convenient oneself life.
Magnetic force switching mechanism is the vitals in the receiver, assembled by a plurality of components and parts, in order to reduce the volume of magnetic force switching mechanism, the components and parts of assembling magnetic force switching mechanism must carry out the microminiaturization improvement, but the microminiaturized raising that will inevitably bring machining accuracy and difficulty of processing; The iron core unit in the receiver particularly, owing to must have the tower structure of sealing, the raising that can bring difficulty of processing after the microminiaturization, machining accuracy also is difficult for guaranteeing, the thing followed then is the significantly raising of production cost.
The utility model content
For solving the problems of the technologies described above, the purpose of this utility model is to provide a kind of structure improved receiver that has, and the armature shape of magnetic force switching mechanism is improved, and substitutes the magnetic conduction function of annular core, has reduced production cost.
For achieving the above object, the technical solution of the utility model is as follows: a kind of have a structure improved receiver, comprise electromagnetic shielding shell, vibrating diaphragm assembly and electromagnetic switching device, described electromagnetic switching device and vibrating diaphragm assembly all are arranged in the cavity on the described electromagnetic shielding shell, the described electromagnetic switching device described vibrating diaphragm assembly that is in transmission connection; Described electromagnetic switching device comprises armature, coil and permanent magnet, described armature comprises main body and flank, described main body is the strip sheet material that is provided with head and afterbody, described flank is symmetricly set in the both sides of described head and bending downwards, the end of described flank is fixedly connected with the base plate of described electromagnetic shielding shell, and described flank, head and base plate form the cavity of sealing; Described tail down bending is inserted in along axis direction and also partly stretches out in described cavity in the described cavity; Described main body after the bending is a U-shaped member, and described coil is sheathed on the afterbody of described U-shaped member and is fixedly connected with described permanent magnet; Described permanent magnet is symmetricly set in the up and down both sides of described afterbody and is individually fixed in the inboard of described head and base plate.
Preferably, described electromagnetic shielding shell is the magnetically soft alloy material.
Preferably, described main body and flank are formed in one or are split type.
Preferably, the part that described afterbody stretches out described cavity is the vibration section, and described vibration section is provided with conductive bar, described conductive bar and the welding of described vibration section or bonding or riveted joint.
Preferably, described vibrating diaphragm assembly comprises vibrating diaphragm support and vibrating diaphragm, and an end of described vibrating diaphragm is fixedly connected on described vibrating diaphragm support, and the other end and described conductive bar are in transmission connection; Be provided with step surface in the cavity of described electromagnetic shielding shell, described vibrating diaphragm support fixedly is bonded on the described step surface.
Preferably, described vibrating diaphragm assembly also comprises the prestressing force film, described prestressing force film fixing tight on described vibrating diaphragm support and with described step surface air-tightness bonding; Described prestressing force film is divided into ante-chamber and back cavity with described electromagnetic shielding shell air-tightness, and described electromagnetic switching device is arranged in the described back cavity.
Preferably, also be provided with the sounding mouth on the described electromagnetic shielding shell, described sounding mouth is communicated with described ante-chamber.
Preferably, also be provided with on the described electromagnetic shielding shell for the pore that strengthens low frequency output, described pore is communicated with described back cavity.
Preferably, described electromagnetic shielding shell also is provided with loam cake, and described loam cake and described electromagnetic shielding shell are slidingly connected or clamping.
Adopt the beneficial effect of technical solutions of the utility model to be: the armature shape of magnetic force switching mechanism in the receiver is improved, form tower structure after a part of bending with armature, as vibration transducing position, form the magnetism guiding access of sealing with the bottom parts of electromagnetic shielding shell after another part bending.Armature after the improvement has the function that forms magnetism guiding access and magnetic energy is converted into vibration output simultaneously, substituted the function of the iron core in the magnetic force switching mechanism fully, alleviated the weight of receiver, reduced the operation of magnetic force switching mechanism assembling, reduced production costs.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment technology, the below will do to introduce simply to the accompanying drawing of required use in the embodiment technical description, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of partial structurtes schematic diagram with structure improved receiver of the utility model;
Fig. 2 is a kind of longitudinal section with structure improved receiver of the utility model;
Fig. 3 is a kind of cross-sectional view with structure improved receiver of the utility model;
Fig. 4 is a kind of structural representation with armature of structure improved receiver of the utility model.
The represented corresponding component title of numeral among the figure:
1, electromagnetic shielding shell 2, armature 21, head 22, flank 23, afterbody 231, vibration section 24, bend 3, permanent magnet 4, sounding mouth 5, vibrating diaphragm support 6, loam cake 7, vibrating diaphragm 8, coil 9, pore 10, conductive bar.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1
Shown in Fig. 1-4.A kind of have a structure improved receiver, comprises electromagnetic shielding shell 1, vibrating diaphragm assembly and electromagnetic switching device, and wherein electromagnetic switching device and vibrating diaphragm assembly all are arranged in the cavity on the electromagnetic shielding shell 1; The electromagnetic switching device vibrating diaphragm assembly that is in transmission connection.
Electromagnetic switching device comprises armature 2, coil 8 and permanent magnet 3, and armature 2 comprises main body and flank 22; Main body is the strip sheet material that is provided with head 21 and afterbody 23, flank 22 is symmetricly set in the both sides of head 21 and bending downwards, the end of flank 22 is fixedly connected with the base plate of electromagnetic shielding shell 1, and the flank 22 of armature, head 21 form the cavity that seals with the base plate of electromagnetic shielding shell 1; Afterbody 23 bending downwards of armature 2 is inserted in along axis direction and also partly stretches out in cavity in the cavity; Main body after the bending is a U-shaped member, and coil is sheathed on the afterbody 23 of U-shaped member and is fixedly connected with permanent magnet 3; Permanent magnet 3 is symmetricly set in the up and down both sides of afterbody 23 and is individually fixed in the inboard of the base plate of head 21 and electromagnetic shielding shell 1.
For head and flank section with armature are grouped into good magnetic conductive loop, electromagnetic shielding shell adopts the magnetically soft alloy material.Also be provided with step surface in the cavity of electromagnetic shielding shell.
The part that the afterbody 23 of flank stretches out cavity is vibration section 231, and vibration section 231 is provided with conductive bar 10, and wherein conductive bar 10 is welded and fixed with vibration section 231 or bonds fixing or adopt riveted joint fixing, can select according to actual needs, does not limit herein.
The vibrating diaphragm assembly comprises vibrating diaphragm support 5 and vibrating diaphragm 7, vibrating diaphragm support 5 fixedly is bonded on the step surface, and an end of vibrating diaphragm 7 is fixedly connected on vibrating diaphragm support 5, and the other end of the other end and conductive bar 10 is in transmission connection, be used for the transmission of the vibration section 231 of armature is converted to the vibration of vibrating diaphragm 7
Also be provided with the prestressing force film on the vibrating diaphragm assembly, the prestressing force film is fixing tightly does bubble-tight bonding on the vibrating diaphragm support and with step surface.The prestressing force film is divided into ante-chamber and back cavity with the electromagnetic shielding shell air-tightness, and wherein electromagnetic switching device is arranged at rear cavity segment.
On the front cavity segment of electromagnetic shielding shell, also be provided with sounding mouth 4, be used for transmission of sound signals is gone out.Wherein sounding mouth 4 can be the sound hole that directly is arranged on the electromagnetic shielding shell 1, also can be the sounding pipe that is connected with electromagnetic shielding shell 1 body, specifically can arrange according to actual needs, does not limit herein.
On the rear cavity segment of electromagnetic shielding shell 1, also be provided with for the pore 9 that strengthens low frequency output, the setting position of this pore 9 and indefinite, shape and the number of pore arrange according to actual needs, do not limit herein.
Electromagnetic shielding shell 1 also is provided with loam cake 6, and loam cake 6 is slidingly connected or clamping with electromagnetic shielding shell 1, is convenient to setting and the installation of vibrating diaphragm assembly and electromagnetic switching device.
Embodiment 2
All the other are identical with embodiment 1, and difference is, the main body of armature and flank are split-type structural, and armature respectively main body and flank partly is fixedly connected as an integral body.
Adopt the beneficial effect of technical solutions of the utility model to be: the armature shape of magnetic force switching mechanism in the receiver is improved, form tower structure after a part of bending with armature, as vibration transducing position, form the magnetism guiding access of sealing with the bottom parts of electromagnetic shielding shell after another part bending.Armature after the improvement has the function that forms magnetism guiding access and magnetic energy is converted into vibration output simultaneously, substituted the function of the iron core in the magnetic force switching mechanism fully, alleviated the weight of receiver, reduced the operation of magnetic force switching mechanism assembling, reduced production costs.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, in other embodiments realization.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. one kind has structure improved receiver, comprise electromagnetic shielding shell, vibrating diaphragm assembly and electromagnetic switching device, described electromagnetic switching device and vibrating diaphragm assembly all are arranged in the cavity on the described electromagnetic shielding shell, the described electromagnetic switching device described vibrating diaphragm assembly that is in transmission connection; It is characterized in that, described electromagnetic switching device comprises armature, coil and permanent magnet, described armature comprises main body and flank, described main body is the strip sheet material that is provided with head and afterbody, described flank is symmetricly set in the both sides of described head and bending downwards, the end of described flank is fixedly connected with the base plate of described electromagnetic shielding shell, and described flank, head and base plate form the cavity of sealing; Described tail down bending is inserted in along axis direction and also partly stretches out in described cavity in the described cavity; Described main body after the bending is a U-shaped member, and described coil is sheathed on the afterbody of described U-shaped member and is fixedly connected with described permanent magnet; Described permanent magnet is symmetricly set in the up and down both sides of described afterbody and is individually fixed in the inboard of described head and base plate.
2. receiver according to claim 1 is characterized in that, described electromagnetic shielding shell is the magnetically soft alloy material.
3. receiver according to claim 1 is characterized in that, described main body and flank are formed in one or are split type.
4. receiver according to claim 1 is characterized in that, the part that described afterbody stretches out described cavity is the vibration section, and described vibration section is provided with conductive bar, described conductive bar and the welding of described vibration section or bonding or riveted joint.
5. receiver according to claim 4 is characterized in that, described vibrating diaphragm assembly comprises vibrating diaphragm support and vibrating diaphragm, and an end of described vibrating diaphragm is fixedly connected on described vibrating diaphragm support, and the other end and described conductive bar are in transmission connection; Be provided with step surface in the cavity of described electromagnetic shielding shell, described vibrating diaphragm support fixedly is bonded on the described step surface.
6. receiver according to claim 5 is characterized in that, described vibrating diaphragm assembly also comprises the prestressing force film, described prestressing force film fixing tight on described vibrating diaphragm support and with described step surface air-tightness bonding; Described prestressing force film is divided into ante-chamber and back cavity with described electromagnetic shielding shell air-tightness, and described electromagnetic switching device is arranged in the described back cavity.
7. receiver according to claim 6 is characterized in that, also is provided with the sounding mouth on the described electromagnetic shielding shell, and described sounding mouth is communicated with described ante-chamber.
8. receiver according to claim 6 is characterized in that, also is provided with on the described electromagnetic shielding shell for the pore that strengthens low frequency output, and described pore is communicated with described back cavity.
9. receiver according to claim 1 is characterized in that, described electromagnetic shielding shell also is provided with loam cake, and described loam cake and described electromagnetic shielding shell are slidingly connected or clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320141105 CN203206429U (en) | 2013-03-26 | 2013-03-26 | Telephone receiver with improved structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320141105 CN203206429U (en) | 2013-03-26 | 2013-03-26 | Telephone receiver with improved structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203206429U true CN203206429U (en) | 2013-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320141105 Expired - Lifetime CN203206429U (en) | 2013-03-26 | 2013-03-26 | Telephone receiver with improved structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203206429U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103152664A (en) * | 2013-03-26 | 2013-06-12 | 苏州恒听电子有限公司 | Telephone receiver with improved structure |
| CN103747381A (en) * | 2013-12-27 | 2014-04-23 | 苏州恒听电子有限公司 | A bone-conducting receiver with an improved driving structure |
| CN104581581A (en) * | 2014-12-31 | 2015-04-29 | 苏州恒听电子有限公司 | Novel improved small-size telephone receiver |
| CN104581579A (en) * | 2014-12-31 | 2015-04-29 | 苏州恒听电子有限公司 | Improved small-size receiver |
| CN103747394B (en) * | 2013-12-27 | 2017-11-28 | 苏州逸巛声学科技有限公司 | A kind of receiver for reducing secondary modal distortion |
| WO2020107400A1 (en) * | 2018-11-30 | 2020-06-04 | 深圳倍声声学技术有限公司 | Receiver and hearing aid with same |
-
2013
- 2013-03-26 CN CN 201320141105 patent/CN203206429U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103152664A (en) * | 2013-03-26 | 2013-06-12 | 苏州恒听电子有限公司 | Telephone receiver with improved structure |
| CN103152664B (en) * | 2013-03-26 | 2015-09-02 | 苏州恒听电子有限公司 | One has structure improved receiver |
| CN103747381A (en) * | 2013-12-27 | 2014-04-23 | 苏州恒听电子有限公司 | A bone-conducting receiver with an improved driving structure |
| CN103747394B (en) * | 2013-12-27 | 2017-11-28 | 苏州逸巛声学科技有限公司 | A kind of receiver for reducing secondary modal distortion |
| CN103747381B (en) * | 2013-12-27 | 2018-05-04 | 苏州逸巛声学科技有限公司 | Osteoacusis formula receiver with modified driving structure |
| CN104581581A (en) * | 2014-12-31 | 2015-04-29 | 苏州恒听电子有限公司 | Novel improved small-size telephone receiver |
| CN104581579A (en) * | 2014-12-31 | 2015-04-29 | 苏州恒听电子有限公司 | Improved small-size receiver |
| WO2020107400A1 (en) * | 2018-11-30 | 2020-06-04 | 深圳倍声声学技术有限公司 | Receiver and hearing aid with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130918 Effective date of abandoning: 20150902 |
|
| RGAV | Abandon patent right to avoid regrant |