CN207926918U - A kind of dynamic iron construction - Google Patents
A kind of dynamic iron construction Download PDFInfo
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- CN207926918U CN207926918U CN201820520404.7U CN201820520404U CN207926918U CN 207926918 U CN207926918 U CN 207926918U CN 201820520404 U CN201820520404 U CN 201820520404U CN 207926918 U CN207926918 U CN 207926918U
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Abstract
The utility model embodiment is related to loudspeaker technical field, more particularly to a kind of dynamic iron construction.This moves iron construction：Shell, is provided with air flue, first through hole and the second through-hole, and first through hole is connected to the second through-hole by air flue；Magnetic element；Vibrating diaphragm, vibrating diaphragm are provided with the first lug boss compatible with first through hole on one side；Electromagnetic induction coil is fixed on another surface with vibrating diaphragm, and electromagnetic induction coil is located in the magnetic field of magnetic element；When electromagnetic induction coil is powered, electromagnetic induction coil can drive vibrating diaphragm direction or be moved towards the direction far from first through hole, by the relative motion for controlling electromagnetic induction coil and magnetic element, so that the first lug boss is realized with first through hole and the states such as blocks and detach, to realize the connected state of control first through hole and the second through-hole, user can hear extraneous sound when connection, to also it maintain an equal level with extraneous air pressure inside human ear, safety when thus improving user's wearing earphone and comfort.
Description
Technical field
The utility model embodiment is related to loudspeaker technical field, more particularly to a kind of dynamic iron construction.
Background technology
With the fast development of science and technology and national economy, the electronic equipments such as In-Ear Headphones and hearing aid are also able to soon
Speed development, due to dynamic iron unit volume very little, can easily be put into duct, therefore dynamic iron unit is widely used in In-Ear ear
In machine or hearing aid.
In the process of implementing the utility model, following ask exists in the prior art in the inventor of the utility model
Topic：In the prior art, either hearing aid is enclosed construction when In-Ear Headphones or hearing aid fits to In-Ear Headphones
When the ear of user, duct can be blocked completely, to generate a kind of Occlusion effect, such as listened using In-Ear Headphones in user
When music, user can not catch the sound of speech of oneself or external sound, cause user that can not be carried out just with others
It often links up, or even when user walks and listens to music, it can be due to that can not hear that external car horn, vehicle the tinkle of bells etc. are alert
Show sound and lead to safety problem, in addition, due to In-Ear Headphones or hearing aid can completely plugged duct, user wears for a long time
It wears the air pressure difference due to interior external auditory canal, user is caused to have discomfort.
Utility model content
Mainly solving the technical problems that providing a kind of dynamic iron construction, dynamic iron construction is provided with the utility model embodiment
First passage and second channel, by control first passage be connected to second channel, realize control human ear inside by with the external world
Connection.
In order to solve the above technical problems, the technical solution that the utility model embodiment uses is：It provides a kind of dynamic
Iron construction, including：Shell, is provided with air flue, first through hole and the second through-hole, and the first through hole and the second through-hole pass through institute
State air flue connection；Magnetic element；Vibrating diaphragm, the vibrating diaphragm are provided with the first protrusion compatible with the first through hole on one side
Portion；Electromagnetic induction coil is fixed on another surface with the vibrating diaphragm, and the electromagnetic induction coil is located at the magnetic member
In the magnetic field of part；
When the electromagnetic induction coil is powered, the electromagnetic induction coil can drive the vibrating diaphragm towards or towards separate
The direction of first through hole moves, wherein when first lug boss moves to closed position, first lug boss will be described
First through hole blocks, when first lug boss moves to open position, first lug boss and the first through hole point
From the first through hole is opened.
Optionally, the magnetic element, vibrating diaphragm and electromagnetic induction coil are respectively positioned in air flue.
Optionally, for the vibrating diaphragm by the airway segmentation at upper gas circuit and lower gas circuit, the vibrating diaphragm is additionally provided with intercommunicating pore,
The upper gas circuit is connected to the first through hole and the intercommunicating pore respectively, the lower gas circuit respectively with the second through-hole and the company
Through-hole is connected to, and the magnetic element and electromagnetic induction coil are respectively positioned on lower gas circuit.
Optionally, the intercommunicating pore is shifted to install with the first through hole.
Optionally, the dynamic iron construction further includes support ring, and the support ring is fixed in the air flue；The vibrating diaphragm packet
Film and flutter are included, the film is fixed in the support ring, and the flutter is fixed on the film, first protrusion
Portion is located at the flutter, and the electromagnetic induction coil is fixed on film.
Optionally, the film includes the second lug boss, fixed part, interconnecting piece and intercommunicating pore；Second lug boss by
The central raised formation of the film, second lug boss are connect by the interconnecting piece with the fixed part, the fixation
Portion is used for and the support ring is fixed, and the intercommunicating pore is set between the fixed part and second lug boss, and described the
Two lug bosses are used for and first lug boss is fixed.
Optionally, the first through hole, first lug boss and second lug boss are ellipse.
Optionally, the electromagnetic induction coil is annular in shape；The magnetic element further includes annular groove, the electromagnetic induction line
Circle is set in the annular groove.
Optionally, the shell includes upper shell, lower housing and sealing plate；The sealing plate is located at the upper shell and institute
It states between lower housing and is fixed respectively with the upper shell and the lower housing, the first through hole is set to the sealing plate
Middle part, the upper shell are provided with the third through-hole opposite with the first through hole, and second through-hole is set to the lower casing
Body.
Optionally, the magnetic element includes magnet and magnetic inductive block, the magnet and the magnetic inductive block fix with it is described
The bottom of lower housing, the magnet and the magnetic inductive block are fixed.
Optionally, the magnet includes the first main magnet block, the first side magnet piece and the second side magnet piece, the magnetic inductive block
Including the first magnetic conductive board, the second magnetic conductive board and annular magnetic conductive board；First magnetic conductive board is fixed on the bottom of the lower housing, institute
It states the first main magnet block, the first side magnet piece and the second side magnet piece to fix with first magnetic conductive board, and described
Side magnet piece and the second side magnet piece are located at the both sides of the first main magnet block, and second magnetic conductive board is fixed
In on the first main magnet block, the annular magnetic conductive board is fixed on first side magnet piece and the second side magnet piece
On, the support ring is fixed on the annular magnetic inductive block.
Optionally, two opposite ends of first magnetic conductive board are respectively arranged with support element, and the support element is by described first
The end face of two opposite ends of magnetic conductive board extends to form in the same direction, and the support element is used to support the annular magnetic conductive board.
Optionally, the quantity of second through-hole is two, and second through-hole is set to the both sides of the support element.
The advantageous effect of the utility model embodiment is：The case where being different from the prior art is implemented in the utility model
In mode, dynamic iron construction includes：Shell, is provided with air flue, first through hole and the second through-hole, and the first through hole and second are led to
Hole is connected to by the air flue；Magnetic element；Vibrating diaphragm, the vibrating diaphragm are provided with compatible with the first through hole on one side
One lug boss；Electromagnetic induction coil is fixed on another surface with the vibrating diaphragm, and the electromagnetic induction coil is positioned at described
In the magnetic field of magnetic element；When the electromagnetic induction coil is powered, the electromagnetic induction coil can drive the vibrating diaphragm direction
Or moved towards the direction far from first through hole, wherein when first lug boss moves to closed position, described first is convex
Rise portion the first through hole is blocked, when first lug boss moves to open position, first lug boss with it is described
First through hole detaches, and the first through hole is opened.It is transported as a result, by controlling electromagnetic induction coil and the opposite of magnetic element
It is dynamic, so that the first lug boss is realized with first through hole and the states such as block and detach, to realize control first through hole and the second through-hole
Connection be not connected to dynamic iron construction either and be applied to the electronic equipments such as In-Ear Headphones or hearing aid, when first through hole and the
To be in communication with the outside when the connection of two through-holes, inside human ear, user can hear extraneous sound at this time, and inside human ear with
Extraneous air pressure will also maintain an equal level, and thus improve safety when user wears earphone and comfort.
Description of the drawings
One or more embodiments are illustrated by the picture in corresponding attached drawing, these are exemplary
Illustrate not constitute the restriction to embodiment, the element with same reference numbers label is expressed as similar member in attached drawing
Part, unless there are special statement, composition does not limit the figure in attached drawing.
Fig. 1 is the stereogram that the utility model moves iron construction embodiment；
Fig. 2 is the vertical view that the utility model moves iron construction embodiment；
Fig. 3 is the explosive view that the utility model moves iron construction embodiment；
Fig. 4 is the sectional view of A-A shown in Fig. 2；
Fig. 5 is the cross-section diagram of B-B shown in Fig. 2；
Fig. 6 is the explosive view that the utility model moves iron construction embodiment middle casing；
Fig. 7 is the explosive view that the utility model moves magnetic element in iron construction embodiment；
Fig. 8 is the explosive view that the utility model moves vibrating diaphragm in iron construction embodiment；
Fig. 9 is the vertical view that the utility model moves film in iron construction embodiment.
Specific implementation mode
For the ease of understanding the utility model, with reference to the accompanying drawings and detailed description, the utility model is carried out more
Detailed description.It should be noted that when element is expressed " being fixed on " another element, it can be directly in another element
Upper or placed in the middle there may be one or more therebetween elements.When an element is expressed " connection " another element, it can
To be directly to another element or may exist one or more elements placed in the middle therebetween.This specification is used
Term " vertical ", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, technical and scientific term all used in this specification and the skill for belonging to the utility model
The normally understood meaning of technical staff in art field is identical.Art used in the description of the utility model in this specification
Language is intended merely to the purpose of description specific embodiment, is not intended to limitation the utility model.Art used in this specification
Language "and/or" includes any and all combinations of one or more relevant Listed Items.
It please refers to Fig.1 to Fig. 5, a kind of dynamic iron construction 100 of the utility model embodiment, which includes
Shell 10, magnetic element 20, vibrating diaphragm 30, electromagnetic induction coil 40 and support ring 50, magnetic element 20, vibrating diaphragm 30, electromagnetic induction
Coil 40 and support ring 50 are respectively positioned in shell 10, and magnetic element 20 is fixed in shell 10, and support ring 50 is fixed on magnetic member
On part 20, vibrating diaphragm 30 is fixed in support ring 50, and electromagnetic induction coil 40 is fixed on vibrating diaphragm 30 and electromagnetic induction coil 40
In the magnetic field of magnetic element 20.
Wherein, further referring to Fig. 6, shell 10 includes sealing plate 11, lower housing 12 and upper shell 13；Sealing plate 11
Fixed between upper shell 13 and lower housing 12 and respectively with upper shell 13 and lower housing 12, shell 10 be additionally provided with air flue 14,
First through hole 111, the second through-hole 121 and third through-hole 131；Specifically, magnetic element 20, vibrating diaphragm 30, electromagnetic induction coil 40
It is respectively positioned in air flue 14 with support ring 50, and support ring 50 is fixed in air flue 14；First through hole 111 is set to sealing plate 11
Middle part, the second through-hole 121 are set to lower housing 12, and third through-hole 131 is set to upper shell 13, and first through hole 111 and third
Through-hole 131 is oppositely arranged；Optionally, air flue 14 is enclosed by sealing plate 11 and lower housing 12, and first through hole 111 and second is logical
Hole 121 is connected to by air flue 14, further, between third through-hole 131, first through hole 111, air flue 14 and the second through-hole 121
Be sequentially communicated, extraneous gas can sequentially pass through third through-hole 131, first through hole 111, air flue 14 and the second through-hole 121 into
Row circulation.Optionally, the shape of first through hole 111, the second through-hole 121 and third through-hole 131 can be ellipse, it is round or
Rectangle etc..
Further referring to Fig. 7, magnetic element 20 includes magnet 21 and magnetic inductive block 22, and magnet 21 and magnetic inductive block 22 are fixed
With the bottom of lower housing 12, it is fixed to each other between magnet 21 and magnetic inductive block 22.Further, magnet 21 includes the first main magnet block
211, the first side magnet piece 212 and the second side magnet piece 213, magnetic inductive block 22 include the first magnetic conductive board 221, the second magnetic conductive board 222
With annular magnetic conductive board 223；First magnetic conductive board 221 is fixed on the bottom of lower housing 12, the first main magnet block 211, the first side magnet
Block 212 and the second side magnet piece 213 are fixed with the first magnetic conductive board 221, and the first side magnet piece 212 and the second side magnet piece
213 are located at the both sides of the first main magnet block 221, the first side magnet piece 212 and the second side magnet piece 213 and the first main magnet
There is spacing between block 221 and spacing is identical；Optionally, the first side magnet piece 212 and the second side magnet piece 213 are strip
The magnet piece of shape and their cross section are rectangle, and the first main magnet block 221 is the magnet piece of wide flat and its cross section
For rectangle.Second magnetic conductive board 222 is fixed on the first main magnet block 211, and annular magnetic conductive board 223 is fixed on the first side magnet piece
212 and the second side magnet piece 213 on and fix with the madial wall of lower housing 12, support ring 50 is fixed on annular magnetic inductive block 223
And it is fixed with the madial wall of lower housing 12.Further, in order to preferably fix and support annular magnetic conductive board 223, the first magnetic conduction
Two opposite ends of plate 221 are respectively arranged with support element 2211, support element 2211 by the first magnetic conductive board 221 two opposite ends end face
It extends to form in the same direction, support element 2211 is used to support annular magnetic conductive board 223, and optionally, the quantity of support element 2211 is
Two and be located at the first magnetic conductive board 221 two opposite ends middle part, be mutually parallel between two support elements 2211 and
It is vertical with the first magnetic conductive board 221.Optionally, the quantity of the second through-hole 121 is two, and the second through-hole 121 is set to support element
2211 both sides avoid support element 2211 from blocking the second through-hole 121.Optionally, electromagnetic induction coil 40 is annular in shape；Magnetic element
20 further include annular groove (not indicating), and electromagnetic induction coil 40 is set in annular groove, specifically, annular groove is by annular magnetic conduction
What plate 223 and the second magnetic conductive board 222 were enclosed.
Further referring to Fig. 8 and Fig. 9, vibrating diaphragm 30 is provided with first protrusion compatible with first through hole 111 on one side
Portion 321；Air flue 14 is divided into upper gas circuit (not indicating) and lower gas circuit (not indicating) by vibrating diaphragm 30, and vibrating diaphragm 30 is additionally provided with intercommunicating pore
314, upper gas circuit is connected to first through hole 111 and intercommunicating pore 314 respectively, lower gas circuit respectively with the second through-hole 121 and intercommunicating pore 314
Connection, magnetic element 20 and electromagnetic induction coil 40 are respectively positioned on lower gas circuit.Optionally, intercommunicating pore 314 misplaces with first through hole 111
Setting, it is ensured that first lug boss 321 is moved on vibrating diaphragm 30 when being sealed with first through hole 111, and intercommunicating pore 314 can be with sealing plate
11 abut and are sealed by intercommunicating pore 314.Specifically, vibrating diaphragm 30 includes film 31 and flutter 32, film 31 is fixed on support ring 50
On, flutter 32 is fixed on film 31, and the first lug boss 321 is located at flutter 32, and the first lug boss 321 is convex by the middle part of flutter 32
It rises and is formed.Optionally, film 31 and flutter 32 be by together with hot-forming, the upper surface of flutter 32 can with silicone spray or
Other soft rubber materials, it is ensured that first lug boss 321, which is moved to the when of being sealed with first through hole 111, on vibrating diaphragm 30 has preferably
Leakproofness.Further, film 31 includes the second lug boss 311, fixed part 312, interconnecting piece 313 and intercommunicating pore 314；Second is convex
Central raised formation of the portion 311 by film 31 is played, the second lug boss 311 is connect by interconnecting piece 313 with fixed part 312, fixed
Portion 312 is used for and support ring 50 is fixed, and intercommunicating pore 314 is set between fixed part 312 and the second lug boss 311, the second protrusion
Portion 311 is used for and the first lug boss 321 is fixed.Optionally, interconnecting piece 313 takes the shape of the letter U structure, and the interconnecting piece 313 of U-shaped structure
One end connecting portion 312, the extension that the other end and 311 edge of the second lug boss of the interconnecting piece 313 of U-shaped structure extend
(not marking) connects, and U-lag can increase towards sealing plate 11, the interconnecting piece 313 of U-shaped structure on the interconnecting piece 313 of U-shaped structure
The deformability of strong vibrating diaphragm 30 so that the deformation scope of activities bigger of the first lug boss 321.Optionally, 321 He of the first lug boss
Second lug boss 311 is ellipse, and the size and shape all same of the first lug boss 321 and the second lug boss 311.
Electromagnetic induction coil 40 is fixed on another surface with vibrating diaphragm 30, specifically, electromagnetic induction coil 40 be fixed on it is thin
Film 31, and electromagnetic induction coil 40 is located in the magnetic field of magnetic element 20.Further, it further includes lead to move iron construction 100,
Lead is connect with electromagnetic induction coil 40 and external control power supply respectively.
It should be noted that：The dynamic iron construction 100 of the utility model embodiment can be applied to In-Ear Headphones or
The In-Ear electronic equipment such as hearing aid.
In the utility model embodiment, when electromagnetic induction coil 40 is powered, electromagnetic induction coil 40, which can drive, to shake
Film 30 is towards or towards the direction movement far from first through hole 111, wherein when the first lug boss 321 moves to closed position,
First lug boss 321 blocks first through hole 111, and first through hole 111 will not be connected to the second through-hole 121 at this time, gas or
Sound can not either be transferred to 121 gas of the second through-hole or sound from the circulation of first through hole 111 also can not be from the second through-hole
121 circulations are transferred to first through hole 111, and further, the dynamic iron construction 100 of the utility model embodiment is used to ear
In machine, when the first lug boss 321 blocks first through hole 111, user will be unable to hear extraneous sound, and user's human ear and
Extraneous air pressure will be unable to balance；Referring again to Fig. 5, when the first lug boss 321 moves to open position, the first lug boss
321 detach with first through hole 111, and first through hole 111 is opened, and first through hole 111 will be connected to the second through-hole 121 at this time, gas
Either sound can either be transferred to 121 gas of the second through-hole to body from the circulation of first through hole 111 or sound can also be from second
Through-hole 121 circulates or is transferred to first through hole 111, so when the first lug boss 321 is detached with first through hole 111, user
It will can hear extraneous sound, and user's human ear and extraneous air pressure also will balances.It should be noted that closed position referred to
It is the first lug boss 321 by the completely plugged position of first through hole 111, open position refers to the first lug boss 321 not completely
By the completely plugged position of first through hole 111, open position includes multiple locational spaces.As a result, by controlling electromagnetic induction line
The relative motion of circle 40 and magnetic element 20 realizes that the first lug boss 321 carries out blocking or separate shape to first through hole 111
State, to realize being connected to or not being connected to for control first through hole 111 and the second through-hole 121, when first through hole 111 and second is logical
To be in communication with the outside when the connection in hole 121, inside human ear, user can hear extraneous sound at this time, and inside human ear with
Extraneous air pressure will also maintain an equal level, and thus improve safety when user wears earphone and comfort.
It is worth noting that：Dynamic iron construction 100 in the utility model embodiment drives without additional electricity, but logical
The first lug boss 321 and first can be realized by crossing the movement that control electromagnetic induction coil 40 carries out in the magnetic field of magnetic element 20
The relative motion of through-hole 111, the composite structure of electromagnetic induction coil 40 and magnetic element 20 will in this dynamic iron construction 100 as a result,
It is compacter, save space.
The foregoing is merely the embodiments of the utility model, and it does not limit the scope of the patent of the present invention, all
It is equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, directly or indirectly uses
In other related technical areas, it is equally included in the patent within the scope of the utility model.
Claims (13)
1. a kind of dynamic iron construction, which is characterized in that including：
Shell, is provided with air flue, first through hole and the second through-hole, and the first through hole and the second through-hole are connected by the air flue
It is logical；
Magnetic element；
Vibrating diaphragm, the vibrating diaphragm are provided with the first lug boss compatible with the first through hole on one side；
Electromagnetic induction coil is fixed on another surface with the vibrating diaphragm, and the electromagnetic induction coil is located at the magnetism
In the magnetic field of element；
When the electromagnetic induction coil is powered, the electromagnetic induction coil can drive the vibrating diaphragm towards or towards far from first
The direction of through-hole moves, wherein when first lug boss moves to closed position, first lug boss is by described first
Through-hole blocks, and when first lug boss moves to open position, first lug boss is detached with the first through hole, institute
First through hole is stated to be opened.
2. dynamic iron construction according to claim 1, which is characterized in that
The magnetic element, vibrating diaphragm and electromagnetic induction coil are respectively positioned in the air flue.
3. dynamic iron construction according to claim 2, which is characterized in that
For the vibrating diaphragm by the airway segmentation at upper gas circuit and lower gas circuit, the vibrating diaphragm is additionally provided with intercommunicating pore, the upper gas circuit
It being connected to respectively with the first through hole and the intercommunicating pore, the lower gas circuit is connected to the second through-hole and the intercommunicating pore respectively,
The magnetic element and electromagnetic induction coil are respectively positioned on lower gas circuit.
4. dynamic iron construction according to claim 3, which is characterized in that
The intercommunicating pore is shifted to install with the first through hole.
5. dynamic iron construction according to claim 3, which is characterized in that
The dynamic iron construction further includes support ring, and the support ring is fixed in the air flue；
The vibrating diaphragm includes film and flutter, and the film is fixed in the support ring, and the flutter is fixed on the film
On, first boss is fixed on film in the flutter, the electromagnetic induction coil.
6. dynamic iron construction according to claim 5, which is characterized in that
The film includes the second lug boss, fixed part, interconnecting piece and intercommunicating pore；
Second lug boss by the film central raised formation, second lug boss by the interconnecting piece with it is described
Fixed part connects, and the fixed part is used for and the support ring is fixed, and the intercommunicating pore is set to the fixed part and described the
Between two lug bosses, second lug boss is used for and first lug boss is fixed.
7. dynamic iron construction according to claim 6, which is characterized in that
The first through hole, first lug boss and second lug boss are ellipse.
8. dynamic iron construction according to claim 1, which is characterized in that
The electromagnetic induction coil is annular in shape；
The magnetic element further includes annular groove, and the electromagnetic induction coil is set in the annular groove.
9. dynamic iron construction according to claim 5, which is characterized in that
The shell includes upper shell, lower housing and sealing plate；
The sealing plate is between the upper shell and the lower housing and solid with the upper shell and the lower housing respectively
Fixed, the first through hole is set to the middle part of the sealing plate, and the upper shell is provided with opposite with the first through hole the
Three through-holes, second through-hole are set to the lower housing.
10. dynamic iron construction according to claim 9, which is characterized in that
The magnetic element includes magnet and magnetic inductive block, and the magnet and the magnetic inductive block are both secured to the bottom of the lower housing
Portion, the magnet and the magnetic inductive block are fixed.
11. dynamic iron construction according to claim 10, which is characterized in that
The magnet includes the first main magnet block, the first side magnet piece and the second side magnet piece, and the magnetic inductive block is led including first
Magnetic sheet, the second magnetic conductive board and annular magnetic conductive board；
First magnetic conductive board is fixed on the bottom of the lower housing, the first main magnet block, the first side magnet piece and described
The second side magnet piece is fixed with first magnetic conductive board, and first side magnet piece and the second side magnet piece distinguish position
In the both sides of the first main magnet block, second magnetic conductive board is fixed on the first main magnet block, the annular magnetic conduction
Plate is fixed on first side magnet piece and the second side magnet piece, and the support ring is fixed on the annular magnetic inductive block
On.
12. dynamic iron construction according to claim 11, which is characterized in that
Two opposite ends of first magnetic conductive board are respectively arranged with support element, the support element by first magnetic conductive board two-phase
The end face of opposite end extends to form in the same direction, and the support element is used to support the annular magnetic conductive board.
13. dynamic iron construction according to claim 12, which is characterized in that
The quantity of second through-hole is two, and second through-hole is set to the both sides of the support element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820520404.7U CN207926918U (en) | 2018-04-11 | 2018-04-11 | A kind of dynamic iron construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820520404.7U CN207926918U (en) | 2018-04-11 | 2018-04-11 | A kind of dynamic iron construction |
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| Publication Number | Publication Date |
|---|---|
| CN207926918U true CN207926918U (en) | 2018-09-28 |
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ID=63595459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820520404.7U Active CN207926918U (en) | 2018-04-11 | 2018-04-11 | A kind of dynamic iron construction |
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| Country | Link |
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| CN (1) | CN207926918U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108322876A (en) * | 2018-04-11 | 2018-07-24 | 深圳倍声声学技术有限公司 | A kind of dynamic iron construction |
-
2018
- 2018-04-11 CN CN201820520404.7U patent/CN207926918U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108322876A (en) * | 2018-04-11 | 2018-07-24 | 深圳倍声声学技术有限公司 | A kind of dynamic iron construction |
| CN108322876B (en) * | 2018-04-11 | 2023-12-22 | 南京声动健康科技有限公司 | Moving iron structure |
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| TR01 | Transfer of patent right |
Effective date of registration: 20210813 Address after: 518000 No.3 Factory, Qiaotou Fuqiao Industrial Zone, Fuyong Town, Bao'an District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN EVERWIN PRECISION TECHNOLOGY Co.,Ltd. Address before: 518000 2nd floor, building 25, Zhiheng Industrial Park, nantouguankou 2nd Road, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN BELLSING ACOUSTIC TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |