CN207010964U - A kind of magnetic circuit structure for loudspeaker for reducing distortion - Google Patents
A kind of magnetic circuit structure for loudspeaker for reducing distortion Download PDFInfo
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- CN207010964U CN207010964U CN201720868750.XU CN201720868750U CN207010964U CN 207010964 U CN207010964 U CN 207010964U CN 201720868750 U CN201720868750 U CN 201720868750U CN 207010964 U CN207010964 U CN 207010964U
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- voice coil
- accommodating chamber
- magnetic
- marginal texture
- cup
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Abstract
A kind of magnetic circuit structure for loudspeaker for reducing distortion of the utility model, including voice coil loudspeaker voice coil, washer, magnet and magnetic conductance cup, the washer are provided with the first accommodating chamber and marginal texture, and the magnet side is provided with least one set of groove, and described first, which accommodates inner cavity surface, is provided with projection；The magnetic conductance cup has the second accommodating chamber；The inner surface of the outer surface of first accommodating chamber, the marginal texture and second accommodating chamber is collectively forming a receiving space, and the voice coil loudspeaker voice coil is placed in the receiving space；The marginal texture has at least one set of breach, and the magnetic conductance cup inner surface lower end is provided with positioning end, and the positioning end includes pedestal and location division, and the location division top has stopper slot, and the stopper slot is used to prevent the voice coil loudspeaker voice coil from oscillation crosswise occurs.By positioner corresponding to the accommodating chamber of multistage and every one-level, each part is accurately installed, and prevent voice coil loudspeaker voice coil from oscillation crosswise occurs by stopper slot, to improve the tonequality of loudspeaker.
Description
Technical field
Loudspeaker field is the utility model is related to, especially a kind of magnetic circuit structure for loudspeaker for reducing distortion.
Background technology
Existing Microspeaker generally comprises vibrating diaphragm, voice coil loudspeaker voice coil, washer, magnet, magnetic conductance cup, framework and pad, loudspeaker
Magnetic circuit part mainly includes washer, magnet and magnetic conductance cup.When carrying out the assembling of magnetic circuit of loudspeaker, first not magnetic magnetic
Iron is magnetized using special magnetizing equipment, it is taken magnetic, then the gluing water on magnetic conductance cup, the magnetic that will have been magnetized
Iron is bonded on magnetic conductance cup, and finally the another side again in magnet stamps glue and washer fits together, and can make after glue curing
Washer, magnet and magnetic conductance cup are strongly adhered to together.Complex operation, and dismantle inconvenience.In addition, when carrying out magnetic circuit assembling,
All it is to carry out artificial contraposition assembling, it is difficult to ensure that the concentricity of magnetic conductance cup, magnet and washer, and glue is in the curing process
Because the mobility of itself easily causes the eccentric phenomena of magnet and washer, the performance of loudspeaker is finally influenceed.
The sounding of loudspeaker relies primarily on voice coil loudspeaker voice coil cutting magnetic induction linearly coupled, and so as to drive diaphragm oscillations, but voice coil loudspeaker voice coil is only vertical
To effective cutting is only during vibration, so to avoid the oscillation crosswise of voice coil loudspeaker voice coil as far as possible.
A kind of it is, therefore, desirable to provide magnetic circuit structure for loudspeaker for reducing distortion.
Utility model content
In view of the technical problem present in background technology, the shortcomings that the purpose of this utility model is to overcome prior art,
A kind of magnetic circuit structure for loudspeaker for improving tonequality is provided.
In order to solve the above technical problems, the utility model employs following technical measures：
A kind of magnetic circuit structure for loudspeaker for reducing distortion, including voice coil loudspeaker voice coil, washer, magnet and magnetic conductance cup, the washer are provided with
First accommodating chamber and marginal texture, first accommodating chamber are used to accommodate the magnet, and the magnet side is provided with least one set
Groove, each group of number of recesses is two and face is set, and described first, which accommodates inner cavity surface, is provided with and the number of recesses phase
The elastic bumps that same and shape matches；The marginal texture is annular shape, and the marginal texture is located at first accommodating chamber
Opening simultaneously uniformly extends to outside；The magnetic conductance cup has the second accommodating chamber, the second accommodating chamber internal diameter and the edge
The external diameter of structure is identical, and second accommodating chamber is used to accommodate the washer；Outer surface, the edge of first accommodating chamber
The inner surface of structure and second accommodating chamber is collectively forming a receiving space, and the voice coil loudspeaker voice coil is placed in the receiving space；
The marginal texture has at least one set of breach, and each group of breach quantity is two and face is set, the magnetic conductance cup inner surface
Lower end is provided with the positioning end that identical and shape matches with the breach quantity, and the positioning end includes pedestal and location division, institute
It is vertical with the location division to state pedestal, the location division top has stopper slot, and the stopper slot is used to prevent the voice coil loudspeaker voice coil from sending out
Raw oscillation crosswise.
As a further improvement, the width of the stopper slot and the ratio of the difference of the voice coil loudspeaker voice coil internal-and external diameter are 1.3-1.8.
As a further improvement, the width of the stopper slot and the ratio of the difference of the voice coil loudspeaker voice coil internal-and external diameter are 1.4.
As a further improvement, the groove is two groups.
As a further improvement, two groups of grooves are arranged in a mutually vertical manner.
As a further improvement, the depth of the groove is 0.8mm-1.3mm.
As a further improvement, the breach is two groups.
As a further improvement, two groups of breach are arranged in a mutually vertical manner.
Compared with prior art, the utility model has advantages below：
1st, a kind of magnetic circuit structure for loudspeaker for reducing distortion of the utility model is by the accommodating chamber of multistage and corresponding per one-level
Positioner, all parts are fitted together, the precision positioned during assembling can be greatly improved, and will not occur easily partially
Move, improve the concentric rate of all parts, to improve the tonequality of loudspeaker.
2nd, the positioner between a kind of each part of magnetic circuit structure for loudspeaker for reducing distortion of the utility model is relative sets
Put, make the uniform force of element will not shift, improve concentric rate.
3rd, a kind of magnetic circuit structure for loudspeaker for reducing distortion of the utility model limits shaking for voice coil loudspeaker voice coil by setting stopper slot
Dynamic direction, makes voice coil loudspeaker voice coil that oscillation crosswise not occur, and improves loudspeaker tonequality.
Brief description of the drawings
Accompanying drawing 1 is a kind of structural representation for the magnetic circuit structure for loudspeaker for reducing distortion of the utility model.
Accompanying drawing 2 is a kind of positioning end structural representation for the magnetic circuit structure for loudspeaker for reducing distortion of the utility model.
Main element symbol description
Voice coil loudspeaker voice coil 1, washer 2, the first accommodating chamber 21, marginal texture 22, elastic bumps 23, breach 24, magnet 3, groove 31, magnetic
Lead cup 4, positioning end 41, pedestal 411, location division 412, stopper slot 413.
Embodiment
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with this practicality
Accompanying drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described, shown
So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on this practicality
Embodiment in new, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of the utility model protection.Therefore, the implementation of the present utility model to providing in the accompanying drawings below
The detailed description of mode is not intended to limit claimed the scope of the utility model, but is merely representative of of the present utility model
Selected embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative labor
The every other embodiment obtained under the premise of dynamic, belong to the scope of the utility model protection.
In description of the present utility model, it is to be understood that the orientation or position relationship of the instruction such as term " on ", " under "
Based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplifying description, without referring to
Show or imply that the equipment of meaning or element there must be specific orientation, with specific azimuth configuration and operation, therefore can not manage
Solve as to limitation of the present utility model.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be two
The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings：
It refer to Fig. 1, in embodiment, a kind of magnetic circuit structure for loudspeaker for reducing distortion, including voice coil loudspeaker voice coil 1, washer 2, magnet 3
With magnetic conductance cup 4, the washer 2 is provided with the first accommodating chamber 21 and marginal texture 22, and first accommodating chamber 21 is described for accommodating
Magnet 3, the side of magnet 3 are provided with least one set of groove 31, and each group of quantity of groove 31 is two and face is set, and described the
The inner surface of one accommodating chamber 21 is provided with the elastic bumps 23 that identical and shape matches with the quantity of groove 31；The marginal texture
22 be annular shape, and the marginal texture 22 is located at the opening of the first accommodating chamber 21 and uniformly extended to outside；The magnetic conductance
Cup 4 has the second accommodating chamber, and the second accommodating chamber internal diameter is identical with the external diameter of the marginal texture 22, second accommodating chamber
For accommodating the washer 2, the outer surface of first accommodating chamber 21, the marginal texture 22 and second accommodating chamber it is interior
Surface is collectively forming a receiving space, and the voice coil loudspeaker voice coil 1 is placed in the receiving space, and the marginal texture 22 has at least one
Group breach 24, each group of quantity of breach 24 is two and face is set, and the inner surface lower end of magnetic conductance cup 4 is provided with and the breach
The positioning end 41 that 24 quantity are identical and shape matches.
Magnet 3 in use, is first arranged in the first accommodating chamber 21, and make groove 31 and elasticity convex by the present embodiment
23 corresponding installations are played, groove 31 is engaged with elastic bumps 23, and magnet 3 can be stablized and is accurately installed on inside washer 2,
The washer 2 assembled and magnet 3 are arranged in magnetic conductance cup 4 again, and made on the breach 24 and magnetic conductance cup 4 on marginal texture 22
Positioning end 41 is corresponding to be installed, and breach 24 coordinates with positioning end 41, and washer 2 can be stablized and is accurately installed in magnetic conductance cup 4,
Because being equipped with positioner between each two part, do not have to worry that each element produces skew when mounted, influence to raise one's voice
The tonequality of device, meanwhile, because the presence of positioner, the step of the present embodiment can remove gluing, pass through groove 31 and breach
24 grades fix each element, can be dismounted at any time or replacement of element, and more convenient, practicality is stronger.
In the present embodiment, as a further improvement, groove 31, breach 24 are two groups, and it is vertically arranged, the depth of groove 31
Spend for 0.5mm-1.5mm, can so ensure, the power of application of the positioner per one-level to element is uniform, Bu Huifa
The raw skew of generating element because of unbalance stress, ensures the tonequality of loudspeaker more preferably.
Refer to Fig. 2, in the present embodiment, the positioning end 41 includes pedestal 411 and location division 412, the pedestal 411 with
The location division 412 is vertical, and the top of location division 412 has stopper slot 413, and the stopper slot 413 is used to prevent the sound
Oscillation crosswise occurs for circle 1.In use, breach 24 is inserted in location division 412, washer 2 is set to be interfixed with magnetic conductance cup 4, now, edge
Structure 22 is erected on pedestal 411 by breach 24, washer 2 is not skidded off magnetic conductance cup 4, and the bottom of voice coil loudspeaker voice coil 1 is located at stopper slot
In 413, by setting the ratio of the width of stopper slot 413 and the difference of the internal-and external diameter of voice coil loudspeaker voice coil 1, to limit the oscillation crosswise of voice coil loudspeaker voice coil 1,
If the gap that it also avoid washer 2 and magnetic conductance cup 4 simultaneously is too small, side wall and the voice coil loudspeaker voice coil 1 in space received produces and rubs and influence voice coil loudspeaker voice coil 1
Extensional vibration, the vibrating effect of voice coil loudspeaker voice coil 1 is effectively increased by the setting of stopper slot 413, makes tonequality more preferably.In the present embodiment
The width of the stopper slot 413 and the ratio of the difference of the internal-and external diameter of voice coil loudspeaker voice coil 1 are 1.3-1.8, as it is furthermore preferred that the limit
The width of position groove 413 is 1.4 with the ratio of the difference of the internal-and external diameter of voice coil loudspeaker voice coil 1.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements done etc., the utility model should be included in
Within the scope of protection.
Claims (8)
1. a kind of magnetic circuit structure for loudspeaker for reducing distortion, it is characterised in that described including voice coil loudspeaker voice coil, washer, magnet and magnetic conductance cup
Washer is provided with the first accommodating chamber and marginal texture, and first accommodating chamber is used to accommodate the magnet, and the magnet side is provided with
At least one set of groove, each group of number of recesses is two and face is set, described first accommodate inner cavity surface be provided with it is described recessed
The elastic bumps that slot number amount is identical and shape matches；The marginal texture is annular shape, and the marginal texture is positioned at described the
One accommodating chamber opening simultaneously uniformly extends to outside；The magnetic conductance cup has the second accommodating chamber, the second accommodating chamber internal diameter with
The external diameter of the marginal texture is identical, and second accommodating chamber is used to accommodate the washer；The outer surface of first accommodating chamber,
The marginal texture and the inner surface of second accommodating chamber are collectively forming a receiving space, and the voice coil loudspeaker voice coil is placed in the receiving
In space；The marginal texture has at least one set of breach, and each group of breach quantity is two and face is set, the magnetic conductance cup
Inner surface lower end is provided with the positioning end that identical and shape matches with the breach quantity, and the positioning end includes pedestal and positioning
Portion, the pedestal is vertical with the location division, and the location division top has stopper slot, and the stopper slot is used to prevent the sound
Oscillation crosswise occurs for circle.
2. magnetic structure according to claim 1, it is characterised in that the width of the stopper slot and the voice coil loudspeaker voice coil internal-and external diameter
The ratio of difference be 1.3-1.8.
3. magnetic structure according to claim 1, it is characterised in that the width of the stopper slot and the voice coil loudspeaker voice coil internal-and external diameter
Difference ratio be 1.4.
4. magnetic structure according to claim 1, it is characterised in that the groove is two groups.
5. magnetic structure according to claim 4, it is characterised in that two groups of grooves are arranged in a mutually vertical manner.
6. magnetic structure according to claim 1, it is characterised in that the depth of the groove is 0.8mm-1.3mm.
7. magnetic structure according to claim 1, it is characterised in that the breach is two groups.
8. magnetic structure according to claim 7, it is characterised in that two groups of breach are arranged in a mutually vertical manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720868750.XU CN207010964U (en) | 2017-07-17 | 2017-07-17 | A kind of magnetic circuit structure for loudspeaker for reducing distortion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720868750.XU CN207010964U (en) | 2017-07-17 | 2017-07-17 | A kind of magnetic circuit structure for loudspeaker for reducing distortion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207010964U true CN207010964U (en) | 2018-02-13 |
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ID=61454948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720868750.XU Active CN207010964U (en) | 2017-07-17 | 2017-07-17 | A kind of magnetic circuit structure for loudspeaker for reducing distortion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207010964U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112165676A (en) * | 2020-10-22 | 2021-01-01 | 瑞声新能源发展(常州)有限公司科教城分公司 | Sound production monomer and speaker |
-
2017
- 2017-07-17 CN CN201720868750.XU patent/CN207010964U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112165676A (en) * | 2020-10-22 | 2021-01-01 | 瑞声新能源发展(常州)有限公司科教城分公司 | Sound production monomer and speaker |
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