CN207854169U - Moving-iron receiver - Google Patents
Moving-iron receiver Download PDFInfo
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- CN207854169U CN207854169U CN201721835639.7U CN201721835639U CN207854169U CN 207854169 U CN207854169 U CN 207854169U CN 201721835639 U CN201721835639 U CN 201721835639U CN 207854169 U CN207854169 U CN 207854169U
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- shell
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Abstract
The utility model is related to a kind of moving-iron receivers, including：Shell, including top plate, the intermediate plate to connect with the top plate, the bottom plate that connects with the intermediate plate, wherein the top plate, intermediate plate and bottom plate surround cavity jointly, and the top plate and bottom plate are sheet；Diaphragm vibration plate is arranged in the shell, to generate vibratory drive air sounding；Motor sub-assembly is arranged in the shell, to provide the magnetic field for making the diaphragm vibration plate generate vibration.The shell used in the application includes the top plate and bottom plate and intermediate plate of sheet, cavity is surrounded jointly, is combined into an entirety, and top plate and bottom plate can be directly obtained by punching, it is obtained with intermediate plate by punching and bending, instead of the combination of traditional upper shell and lower housing, processing method is simpler, it is no longer necessary to pass through rotary-cut process, obtained workpiece more flat smooth, the waste for reducing plank, improves the utilization rate of raw material, while having saved production cost.
Description
Technical field
The utility model is related to receiver technical fields, more particularly to a kind of moving-iron receiver.
Background technology
Moving-iron receiver exports original paper primarily as the sound of the equipment such as hearing aid and earphone, and operation principle is in sound
Under the action of frequency electric current, the armature in magnetic field can move up and down, and be made a sound to drive vibrating diaphragm up-down vibration.
The shell of traditional moving-iron receiver is divide into upper part and lower part, and assembles vibrating diaphragm and motor respectively, then by electric resistance welding or
Laser Welding welds together upper and lower two parts, forms sub-assembly.
During realizing traditional technology, it is found by the applicant that：
In the shell process of moving-iron receiver, need plank by stretching several times, rotary-cut and punching ability
Target shape is obtained, then cuts off redundance, finally obtains the shell of moving-iron receiver.This processing method process is complicated, makes
Utilization rate at plank raw material is relatively low.
Utility model content
Based on this, it is necessary to for the relatively low problem of the utilization rate of shell plank raw material, provide a kind of moving-iron receiver.
A kind of moving-iron receiver, including：
Shell, including top plate, the intermediate plate to connect with the top plate, the bottom plate that connects with the intermediate plate, wherein described
Top plate, intermediate plate and bottom plate surround cavity jointly, and the top plate and bottom plate are sheet；
Diaphragm vibration plate is arranged in the shell, to generate vibratory drive air sounding；
Motor sub-assembly is arranged in the shell, to provide the magnetic field for making the diaphragm vibration plate generate vibration.
The shell used in above-mentioned moving-iron receiver includes top plate, intermediate plate and bottom plate, and wherein top plate and bottom plate is sheet,
Three surrounds cavity jointly, is combined into an entirety.Can directly obtain top plate and bottom plate by punching, by punching and
Bending is obtained with intermediate plate, and instead of the combination of traditional upper shell and lower housing, processing method is simpler, no longer needs
To pass through rotary-cut process, obtained workpiece more flat smooth reduces the waste of plank, improves the utilization rate of raw material,
Production cost is saved simultaneously.
The motor sub-assembly includes armature, iron core and voice coil in one of the embodiments,.
The top plate is planar metal plate in one of the embodiments, and the apex angle of the planar metal plate is set as arc-shaped.
The intermediate plate is the metallic plate being spliced by bending head and the tail in one of the embodiments,.
The intermediate plate is equipped with bending part in one of the embodiments, and the bending part is set as arc-shaped.
The intermediate plate is equipped with pad in one of the embodiments, to make the intermediate plate head and the tail be spliced to form
It is cyclic annular.
The side of the intermediate plate is equipped with out acoustic aperture in one of the embodiments,.
The bottom plate is planar metal plate in one of the embodiments, and the apex angle of the planar metal plate is set as arc-shaped.
Connected in one of the embodiments, by laser welding, resistance welding or riveting between the top plate and intermediate plate.
Connected in one of the embodiments, by laser welding, resistance welding or riveting between the intermediate plate and bottom plate.
Description of the drawings
Fig. 1 is the structural schematic diagram after the housing combination of moving-iron receiver in the embodiment of the present application；
Fig. 2 is the structural schematic diagram of the top plate of moving-iron receiver in the embodiment of the present application；
Fig. 3 is the structural schematic diagram of the intermediate plate of moving-iron receiver in the embodiment of the present application；
Fig. 4 is the structural schematic diagram of the bottom plate of moving-iron receiver in the embodiment of the present application.
Wherein, 100 top plate 110 of moving-iron receiver
120 bottom plate 130 of intermediate plate
140 pad 150 of bending part
Go out acoustic aperture 160
Specific implementation mode
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, below in conjunction with the accompanying drawings to this
The specific implementation mode of utility model is described in detail.Elaborate many details in order to abundant in the following description
Understand the utility model.But the utility model can be much to implement different from other manner described here, this field
Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs
The limitation for the specific embodiment opened.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with the technology for belonging to the utility model
The normally understood meaning of technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more relevant Listed Items.
Traditional moving-iron receiver shell is divide into upper part and lower part shell, after completing internal component assembly, passes through electric resistance welding
Or laser Welding, upper and lower two housing sections are combined.Since upper and lower two housing sections have inner cavity, so processing
In the process, plank is needed by stretching, rotary-cut and punching several times, then cuts off redundance, can just be obtained with side wall
Upper and lower two housing sections, process is complicated, wastes a large amount of raw material, and not smooth enough the light of obtained target shell
Sliding, burr is more.Therefore, the utilization rate that raising raw material are needed in the process of shell, to save production cost.
Referring to FIG. 1, this application discloses a kind of moving-iron receivers 100, including：Shell, including top plate 110 and top plate
110 intermediate plates 120 to connect, the bottom plate 130 that connects with intermediate plate 120, wherein top plate 110, intermediate plate 120 and bottom plate 130 are total
It is same to surround cavity, and top plate 110 and bottom plate 130 are sheet；Diaphragm vibration plate, setting inside the shell, are driven to generate vibration
Dynamic air sounding；Motor sub-assembly, setting make diaphragm vibration plate generate the magnetic field vibrated inside the shell, to provide.
The shell used in above-mentioned moving-iron receiver 100 includes top plate 110, intermediate plate 120 and bottom plate 130, wherein top plate
110 and bottom plate 130 be sheet, three surrounds cavity, is combined into an entirety jointly.Top can be directly obtained by punching
Plate 110 and bottom plate 130 are obtained with intermediate plate 120, instead of traditional upper shell and lower housing by punching and bending
Combination, processing method are simpler, it is no longer necessary to pass through rotary-cut process, simplify technical process, reduce technological requirement so that
Process equipment and mold require to reduce, and have saved production cost, meanwhile, obtained workpiece more flat smooth reduces plate
The waste of material improves the utilization rate of raw material.
In one embodiment, motor sub-assembly includes armature, iron core and voice coil.
Specifically, armature is connected with voice coil, and voice coil and iron core are arranged concentrically, and voice coil will produce the magnetic of variation after being powered
, iron core is used for reinforcing the intensity in magnetic field, and armature moves reciprocatingly under changing magnetic field effect, and diaphragm vibration plate is driven to generate
Vibration, to drive air sounding, completes the transfer process of electroacoustic.
Referring to FIG. 2, in one embodiment, top plate 110 is planar metal plate, the apex angle of planar metal plate is set as circular arc
Shape.Wherein, top plate 110 is planar metal plate, is set as laminated structure, can be obtained by punching, by the apex angle of planar metal plate
It is set as arc-shaped, for removing the burr generated in process.
Referring to FIG. 3, in one embodiment, intermediate plate 120 is the metallic plate being spliced by bending head and the tail.Its
In, metallic plate is obtained into the sheet of suitable dimension by punching first, is stitched together using bending head and the tail, obtains target shape
The intermediate plate 120 of shape.
Further, intermediate plate 120 is equipped with bending part 140, and bending part 140 is set as arc-shaped.Wherein, bending part 140 is set
For arc-shaped, match for the arc-shaped apex angle with top plate 110 so that surfacing is smooth when combination.
Further, intermediate plate 120 is equipped with pad 150, to make 120 head and the tail of intermediate plate be spliced to form ring-type, as
Hollow cavity.Wherein, the quantity of pad 150 is arranged according to actual processing, unrestricted.
Further, the side of intermediate plate 120 is equipped with out acoustic aperture 160, and vibratory drive is generated for spreading out of diaphragm vibration plate
The sound that air is sent out.
Referring to FIG. 4, in one embodiment, bottom plate 130 is planar metal plate, the apex angle of planar metal plate is set as circular arc
Shape.Wherein, bottom plate 130 is planar metal plate, is set as laminated structure, can be obtained by punching, by the apex angle of planar metal plate
It is set as arc-shaped, for removing the burr generated in process.
The shape of above-mentioned top plate 110 and bottom plate 130 is unrestricted, can be rectangle, square or other shapes, together
When, the shape of intermediate plate 120 is set as the hollow cavity that can be combined with top plate 110 and bottom plate 130.
In one embodiment, top plate 110 and the welding manner of intermediate plate 120 are unrestricted.In general, top plate 110 is in
Between connected by laser welding, resistance welding or riveting between plate 120.
In one embodiment, intermediate plate 120 and the welding manner of bottom plate 130 are unrestricted.In general, intermediate plate 120 with
Connected by laser welding, resistance welding or riveting between bottom plate 130.
A specific embodiment is provided below, moving-iron receiver 100 includes shell, which includes top plate 110, centre
Plate 120 and bottom plate 130, wherein top plate 110 is designed as the rectangular planar metal plate of same size, and top plate with bottom plate 130
110 are designed as arc-shaped with four apex angles of bottom plate 130；Intermediate plate 120 is the metallic plate of bending, in the head and the tail of intermediate plate 120
Stitching portion is equipped with pad 150 at two, for metallic plate to be spliced into rectangular ring identical with top plate 110 and 130 size of bottom plate
Shape, and intermediate plate 120 sets the bending part 140 there are four arc-shaped so that the arc-shaped apex angle of top plate 110 and bottom plate 130 with
The arc-shaped bending part 140 of intermediate plate 120 matches.After having assembled enclosure component, by top plate 110 and intermediate plate 120
Welded together by Laser Welding, intermediate plate 120 welds together with bottom plate 130 also by Laser Welding, is combined into surface light
Sliding and complete shell.Above-mentioned moving-iron receiver 100 further includes diaphragm vibration plate, to generate vibratory drive air sounding；Horse
Up to component, including armature, iron core and voice coil, to provide the magnetic field for making diaphragm vibration plate generate vibration.Wherein, armature and voice coil
It is connected, voice coil and iron core are arranged concentrically, and voice coil will produce changing magnetic field after being powered, and iron core is used for reinforcing the intensity in magnetic field,
Armature moves reciprocatingly under changing magnetic field effect, and diaphragm vibration plate is driven to generate vibration, to drive air sounding, from going out
Acoustic aperture 160 spreads out of sound, to complete the transfer process of electroacoustic.
The shell used in moving-iron receiver 100 disclosed herein includes top plate 110, intermediate plate 120 and bottom plate
130, wherein top plate 110 and bottom plate 130 is sheet, and three surrounds cavity, is combined into an entirety jointly.It can by punching
To directly obtain top plate 110 and bottom plate 130, it is obtained with intermediate plate 120 by punching and bending, instead of traditional upper casing
The combination of body and lower housing, processing method are simpler, it is no longer necessary to pass through rotary-cut process, simplify technical process, reduce
Technological requirement so that process equipment and mold require to reduce, and have saved production cost, meanwhile, obtained workpiece is more smooth
It is smooth, reduce the waste of plank, improves the utilization rate of raw material.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of moving-iron receiver, which is characterized in that including：
Shell, including top plate, the intermediate plate to connect with the top plate, the bottom plate that connects with the intermediate plate, wherein the top
Plate, intermediate plate and bottom plate surround cavity jointly, and the top plate and bottom plate are sheet；
Diaphragm vibration plate is arranged in the shell, to generate vibratory drive air sounding；
Motor sub-assembly is arranged in the shell, to provide the magnetic field for making the diaphragm vibration plate generate vibration.
2. moving-iron receiver according to claim 1, which is characterized in that the motor sub-assembly includes armature, iron core and sound
Circle.
3. moving-iron receiver according to claim 1, which is characterized in that the top plate is planar metal plate, the plane
The apex angle of metallic plate is set as arc-shaped.
4. moving-iron receiver according to claim 1, which is characterized in that the intermediate plate be by bending head and the tail splicing and
At metallic plate.
5. moving-iron receiver according to claim 4, which is characterized in that the intermediate plate is equipped with bending part, the bending
Portion is set as arc-shaped.
6. moving-iron receiver according to claim 4, which is characterized in that the intermediate plate is equipped with pad, to make
It states intermediate plate head and the tail and is spliced to form ring-type.
7. moving-iron receiver according to claim 4, which is characterized in that the side of the intermediate plate is equipped with out acoustic aperture.
8. moving-iron receiver according to claim 1, which is characterized in that the bottom plate is planar metal plate, the plane
The apex angle of metallic plate is set as arc-shaped.
9. moving-iron receiver according to claim 1, which is characterized in that pass through Laser Welding between the top plate and intermediate plate
It connects, resistance welding or riveting connect.
10. moving-iron receiver according to claim 1, which is characterized in that pass through laser between the intermediate plate and bottom plate
Welding, resistance welding or riveting connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721835639.7U CN207854169U (en) | 2017-12-25 | 2017-12-25 | Moving-iron receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721835639.7U CN207854169U (en) | 2017-12-25 | 2017-12-25 | Moving-iron receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207854169U true CN207854169U (en) | 2018-09-11 |
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ID=63418527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721835639.7U Active CN207854169U (en) | 2017-12-25 | 2017-12-25 | Moving-iron receiver |
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| Country | Link |
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| CN (1) | CN207854169U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111757238A (en) * | 2020-08-31 | 2020-10-09 | 歌尔股份有限公司 | Processing method of shell, shell structure and loudspeaker unit |
-
2017
- 2017-12-25 CN CN201721835639.7U patent/CN207854169U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111757238A (en) * | 2020-08-31 | 2020-10-09 | 歌尔股份有限公司 | Processing method of shell, shell structure and loudspeaker unit |
| CN111757238B (en) * | 2020-08-31 | 2021-01-22 | 歌尔股份有限公司 | Processing method of shell, shell structure and loudspeaker unit |
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