CN209545838U - A kind of bone-conduction speaker - Google Patents
A kind of bone-conduction speaker Download PDFInfo
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- CN209545838U CN209545838U CN201920758868.6U CN201920758868U CN209545838U CN 209545838 U CN209545838 U CN 209545838U CN 201920758868 U CN201920758868 U CN 201920758868U CN 209545838 U CN209545838 U CN 209545838U
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- magnet
- elastic slice
- bone
- conduction speaker
- inside casing
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Abstract
The utility model provides a kind of bone-conduction speaker, including elastic slice, and the elastic slice is equipped with the first magnet, and the elastic slice is equipped with positioning barricade, and first magnet bottom is connect with elastic slice, and first magnet side is contacted with positioning barricade.By adopting the above-described technical solution, compared with prior art, the utility model has the advantages that.Elastic slice is equipped with positioning barricade, phase magnet and clump weight, simplifies the technological process of production, improves assembly precision, and magnetic circuit BL curve symmetry is good, while playing the role of reinforcing elastic slice intensity, improves the strength of reliability of product, improves product acoustical behavior.
Description
Technical field
The utility model relates to electroacoustic techniques fields.
Specifically, being to be related to a kind of bone-conduction speaker.
Background technique
Osteoacusis is applied in the beforehand research of earphone complete product mostly at present as a novel acoustic product, it
It is different from traditional acoustics beep pattern, sounding and with the resonance of the skull of people.Osteoacusis monomer currently on the market is most
Number is that " button " shape designs, and a round elastic slice is equipped in shell, and round elastic slice is equipped with a circular ring shape magnet, is constituted single
Magnetic structure.
The above-mentioned prior art has the disadvantages that.
1, circular ring shape magnet is directly bonded on elastic slice, and the production cost and technology difficulty of product are high, and assembly precision is low, leads
It causes magnetic circuit BL curve symmetry bad, influences product acoustical behavior.
2, single magnetic structure magnetic circuit utilization rate is lower, reach often through the volume of the circle number and magnet that increase coil compared with
High acoustical behavior increases the production cost and technology difficulty of product, and bone-conduction speaker monomer height is excessive, occupies larger
Complete machine space, reduce complete machine space utilization rate.
3, elastic slice is generally disposed above coil, and is further increased between coil there are certain vibration gap
Bone-conduction speaker monomer height, and the partial distance coil distance that circular ring shape magnet is connect with elastic slice is farther out, further drops
Low magnetic circuit utilization rate.
Utility model content
The purpose of the utility model is to overcome the shortcomings of above-mentioned traditional technology, provide a kind of bone-conduction speaker,
Simplify the technological process of production, improves assembly precision.
The purpose of this utility model is reached by following technical measures:
A kind of bone-conduction speaker, including elastic slice, the elastic slice are equipped with the first magnet, and the elastic slice is equipped with positioning gear
Wall, first magnet bottom are connect with elastic slice, and first magnet side is contacted with positioning barricade.
As an improvement: the quantity of first magnet is two pieces, and each the first magnet is far from another the first magnetic
The side of body is correspondingly arranged with an at least positioning barricade.
As an improvement: the second magnet or mass block, second magnet or mass block bottom are additionally provided on the elastic slice
Portion is connect with elastic slice, and second magnet or mass block side are contacted with positioning barricade.
As an improvement: the quantity of second magnet or mass block is two pieces, each the second magnet or mass block
Side far from another the second magnet or mass block is correspondingly arranged with an at least positioning barricade.
As an improvement: the first magnet of two pieces is arranged in parallel, and the second magnet of two pieces or mass block are vertical with the first magnet
Setting.
As an improvement: the elastic slice includes outline border and inside casing, the company's of being equipped with muscle between the outline border and inside casing, and described the
One magnet is set on inside casing, and the positioning dams setting is on inside casing.
As an improvement: the shape of the outline border is rectangle, and the shape of the inside casing is rectangle.
As an improvement: the positioning barricade and inside casing are integrally formed；Alternatively, the positioning barricade and inside casing weld.
As an improvement: further include shell, supporting block is equipped in the shell, the elastic slice is set in supporting block.
As an improvement: it further include coil, the inside casing, which is equipped with, holds the coil via hole that coil passes through.
By adopting the above-described technical solution, compared with prior art, the utility model has the advantages that.
1, elastic slice is equipped with positioning barricade, phase magnet and clump weight, simplifies the technological process of production, improves assembly precision,
Magnetic circuit BL curve symmetry is good, while playing the role of reinforcing elastic slice intensity, improves the strength of reliability of product, improves product acoustics
Performance.
2, two magnetic route structure is constituted using the first magnet of two pieces, or uses the first magnet of two pieces and two pieces the second magnet structure
At four magnetic structures, magnetic structure magnetic circuit utilization rate is higher, reduces bone-conduction speaker monomer height, makes product in identical sound
It learns under performance, whole height is the 1/2 of traditional bone conductors monomer, occupies lesser complete machine space, improves complete machine space utilization
Rate improves the market competitiveness of market product.
3, the outline border of elastic slice and inner frame structure can be according to client's wanting to different acoustical behavior and first natural frequency
It asks, realizes any collocation and replacement of magnet and mass block, structure is largely for " double magnetic circuit " and " four magnetic circuits " after collocation
It reduces setting of generating because designing different first natural frequencies and becomes this.
3, elastic slice is set to coil sides, and magnetic structure can be fully located at coil sides, further improve magnetic circuit
Utilization rate.
4, by connecting with supporting block, the position height of elastic slice can arbitrarily change elastic slice according to the height of supporting block, reduce
Generate set change die cost due to monomer height change.
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Detailed description of the invention
Attached drawing 1 is a kind of structural schematic diagram of bone-conduction speaker in the utility model embodiment 1.
Attached drawing 2 is a kind of schematic diagram of internal structure of bone-conduction speaker in the utility model embodiment 1.
Attached drawing 3 is a kind of schematic diagram of internal structure of bone-conduction speaker in the utility model embodiment 1.
Attached drawing 4 is that the structure of elastic slice and magnet, mass block is shown in a kind of bone-conduction speaker in the utility model embodiment 1
It is intended to.
Attached drawing 5 is that the structure of elastic slice and magnet, mass block is shown in a kind of bone-conduction speaker in the utility model embodiment 1
It is intended to.
Attached drawing 6 is a kind of structural schematic diagram of elastic slice in bone-conduction speaker in the utility model embodiment 1.
Attached drawing 7 is a kind of schematic diagram of internal structure of bone-conduction speaker in the utility model embodiment 2.
Attached drawing 8 is a kind of magnetic circuit BL curve synoptic diagram of bone-conduction speaker of the utility model.
In figure: 1- upper casing；The first magnet of 2-；3- mass block；The first frame of 4-；5- axle sleeve；6- iron core；7- coil；8- bullet
Piece；9- circuit board；10- supporting block；11- lower casing；12- positions barricade；13- outline border；14- connects muscle；15- inside casing；16- coil mistake
Hole；The second magnet of 17-；The second frame of 18-.
Specific embodiment
Embodiment 1: as shown in Fig. 1, a kind of bone-conduction speaker, including shell, the shell include upper casing 1 and lower casing
11, the shape of the upper casing 1 is rectangle, and the shape of the lower casing 11 is rectangle, and the upper casing 1 is welded with lower casing 11.
It is equipped with iron core 6 on the inside of the lower casing 11, is socketed with coil 7 on the iron core 6,6 end of iron core is fixedly connected
There is axle sleeve 5.7 Electricity Federation of coil is connected to circuit board 9, and described 9 one end of circuit board is electrically connected with coil 7, and the circuit board 9 is another
Shell is stretched out at end.
As shown in attached drawing 2,3, on the inside of the lower casing 11 be equipped with supporting block 10, select it is excellent, the supporting block 10 vertically be
Four, each angle of the lower casing 11 was last to be welded with a supporting block 10.
The supporting block 10 is equipped with elastic slice 8, and the elastic slice 8 includes outline border 13 and inside casing 15, selects excellent, the outline border 13
Shape be rectangle, the shape of the inside casing 15 is rectangle, and the inside casing 15, which is equipped with, holds the coil via hole 16 that coil 7 passes through.
Each angle of the outline border 13 is correspondingly arranged with a supporting block 10.
Between the outline border 13 and inside casing 15 be equipped with even muscle 14, select it is excellent, it is described even muscle 14 quantity be four, every company
Muscle 14 and a line of outline border 13 are correspondingly arranged, and a line of every company's muscle 14 and inside casing 15 is correspondingly arranged.
As shown in attached drawing 4,5, the inside casing 15 is equipped with the first magnet 2, and 2 bottom of the first magnet is connect with elastic slice 8.
Select excellent, the shape of first magnet 2 is strip, and the quantity of first magnet 2 is two pieces, two pieces first
Magnet 2 is arranged in parallel, wherein first magnet 2 is located at 7 side of coil, another the first magnet 2 is located at 7 other side of coil.
First magnet, 2 bottom is bonded with the first frame 4, and first frame 4 is welded with inside casing 15.
Mass block 3 is additionally provided on the elastic slice 8,3 bottom of mass block is connect with elastic slice 8.
Select excellent, the shape of the mass block 3 is strip, and the quantity of the mass block 3 is two pieces, two pieces mass block 3
It is arranged in parallel, wherein a mass block 3 is located at 7 side of coil, another mass block 3 is located at 7 other side of coil.Two pieces mass block
3 are vertically arranged with the first magnet 2.
As shown in Fig. 6, the elastic slice 8 is equipped with positioning barricade 12, and 2 side of the first magnet connects with positioning barricade 12
Touching, 3 side of mass block are contacted with positioning barricade 12.
Select it is excellent, it is described positioning barricade 12 quantity be four, the positioning barricade 12 is set on inside casing 15.It is described fixed
Position barricade 12 is set to 15 outside of inside casing, and a line of every positioning barricade 12 and inside casing 15 is correspondingly arranged.
Side of each the first magnet 2 far from another the first magnet 2 is correspondingly arranged with a positioning barricade 12.
Side of each mass block 3 far from another mass block 3 is correspondingly arranged with a positioning barricade 12.
Certainly, as another embodiment, the quantity of the positioning barricade 12 may be eight, every two pieces positioning gear
Wall 12 and a line of inside casing 15 are correspondingly arranged.
Side of each the first magnet 2 far from another the first magnet 2 is correspondingly arranged with two pieces positioning barricade 12.
Side of each mass block 3 far from another mass block 3 is correspondingly arranged with two pieces positioning barricade 12.
Certainly, as another embodiment, the quantity of the positioning barricade 12 may be 12, every three positioning
Barricade 12 and a line of inside casing 15 are correspondingly arranged.
Side of each the first magnet 2 far from another the first magnet 2 is correspondingly arranged with three positioning barricades 12.
Side of each mass block 3 far from another mass block 3 is correspondingly arranged with three positioning barricades 12.
The positioning barricade 12 is formed with 15 integrated punching of inside casing, and the positioning barricade 12 is folded upward at, the positioning gear
Wall 12 is perpendicular to inside casing 15.
Embodiment 2: as shown in Fig. 1, a kind of bone-conduction speaker, including shell, the shell include upper casing 1 and lower casing
11, the shape of the upper casing 1 is rectangle, and the shape of the lower casing 11 is rectangle.
It is equipped with iron core 6 on the inside of the lower casing 11, is socketed with coil 7 on the iron core 6,6 end of iron core is fixedly connected
There is axle sleeve 5.7 Electricity Federation of coil is connected to circuit board 9, and described 9 one end of circuit board is electrically connected with coil 7, and the circuit board 9 is another
Shell is stretched out at end.
As shown in attached drawing 7,3, on the inside of the lower casing 11 be equipped with supporting block 10, select it is excellent, the supporting block 10 vertically be
Four, each angle of the lower casing 11 was last to be welded with a supporting block 10.
The supporting block 10 is equipped with elastic slice 8, and the elastic slice 8 includes outline border 13 and inside casing 15, selects excellent, the outline border 13
Shape be rectangle, the shape of the inside casing 15 is rectangle, and the inside casing 15, which is equipped with, holds the coil via hole 16 that coil 7 passes through.
Each angle of the outline border 13 is correspondingly arranged with a supporting block 10.
Between the outline border 13 and inside casing 15 be equipped with even muscle 14, select it is excellent, it is described even muscle 14 quantity be four, every company
Muscle 14 and a line of outline border 13 are correspondingly arranged, and a line of every company's muscle 14 and inside casing 15 is correspondingly arranged.
As shown in attached drawing 4,5, the inside casing 15 is equipped with the first magnet 2, and 2 bottom of the first magnet is connect with elastic slice 8.
Select excellent, the shape of first magnet 2 is strip, and the quantity of first magnet 2 is two pieces, two pieces first
Magnet 2 is arranged in parallel, wherein first magnet 2 is located at 7 side of coil, another the first magnet 2 is located at 7 other side of coil.
First magnet, 2 bottom is bonded with the first frame 4, and first frame 4 is welded with inside casing 15.
The second magnet 17 is additionally provided on the elastic slice 8,17 bottom of the second magnet is connect with elastic slice 8.
Select excellent, the shape of second magnet 17 is strip, and the quantity of second magnet 17 is two pieces, two pieces the
Two magnets 17 are arranged in parallel, wherein second magnet 17 is located at 7 side of coil, it is another that another the second magnet 17 is located at coil 7
Side.The second magnet of two pieces 17 is vertically arranged with the first magnet 2.Second magnet, 17 bottom is bonded with the second frame 18, institute
The second frame 18 is stated to weld with inside casing 15.
As shown in Fig. 6, the elastic slice 8 is equipped with positioning barricade 12, and 2 side of the first magnet connects with positioning barricade 12
Touching, 17 side of the second magnet are contacted with positioning barricade 12.
Select it is excellent, it is described positioning barricade 12 quantity be four, the positioning barricade 12 is set on inside casing 15.It is described fixed
Position barricade 12 is set to 15 outside of inside casing, and a line of every positioning barricade 12 and inside casing 15 is correspondingly arranged.
Side of each the first magnet 2 far from another the first magnet 2 is correspondingly arranged with a positioning barricade 12.
Side of each the second magnet 17 far from another the second magnet 17 is correspondingly arranged with a positioning barricade 12.
Certainly, as another embodiment, the quantity of the positioning barricade 12 may be eight, every two pieces positioning gear
Wall 12 and a line of inside casing 15 are correspondingly arranged.
Side of each the first magnet 2 far from another the first magnet 2 is correspondingly arranged with two pieces positioning barricade 12.
Side of each the second magnet 17 far from another the second magnet 17 is correspondingly arranged with two pieces positioning barricade 12.
Certainly, as another embodiment, the quantity of the positioning barricade 12 may be 12, every three positioning
Barricade 12 and a line of inside casing 15 are correspondingly arranged.
Side of each the first magnet 2 far from another the first magnet 2 is correspondingly arranged with three positioning barricades 12.
Side of each the second magnet 17 far from another the second magnet 17 is correspondingly arranged with three positioning barricades 12.
The positioning barricade 12 is welded with inside casing 15, and the positioning barricade 12 is perpendicular to inside casing 15.
As shown in Fig. 8, the magnetic circuit BL curve synoptic diagram of the utility model, wherein X-axis indicates magnetic circuit amplitude.
Several embodiments of the utility model are described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should all belong within the patent covering scope of the utility model.
Claims (10)
1. a kind of bone-conduction speaker, including elastic slice (8), it is characterised in that: the elastic slice (8) is equipped with the first magnet (2), institute
It states elastic slice (8) and is equipped with positioning barricade (12), the first magnet (2) bottom is connect with elastic slice (8), first magnet (2)
Side is contacted with positioning barricade (12).
2. bone-conduction speaker according to claim 1, it is characterised in that: the quantity of first magnet (2) is two pieces,
Each the first magnet (2) is correspondingly arranged far from the side of another the first magnet (2) with an at least positioning barricade (12).
3. bone-conduction speaker according to claim 2, it is characterised in that: be additionally provided with the second magnet on the elastic slice (8)
(17) or mass block (3), second magnet (17) or mass block (3) bottom are connect with elastic slice (8), second magnet (17)
Or mass block (3) side is contacted with positioning barricade (12).
4. bone-conduction speaker according to claim 3, it is characterised in that: second magnet (17) or mass block (3)
Quantity be two pieces, each the second magnet (17) or mass block (3) are far from another the second magnet (17) or mass block (3)
Side is correspondingly arranged with an at least positioning barricade (12).
5. bone-conduction speaker according to claim 4, it is characterised in that: the first magnet of two pieces (2) is arranged in parallel, two pieces
Second magnet (17) or mass block (3) are vertically arranged with the first magnet (2).
6. according to claim 1 to 5 one of them described bone-conduction speaker, it is characterised in that: the elastic slice (8) includes outer
Frame (13) and inside casing (15), the company of being equipped with muscle (14), first magnet (2) are set between the outline border (13) and inside casing (15)
On inside casing (15), the positioning barricade (12) is set on inside casing (15).
7. bone-conduction speaker according to claim 6, it is characterised in that: the shape of the outline border (13) is rectangle, institute
The shape for stating inside casing (15) is rectangle.
8. bone-conduction speaker according to claim 6, it is characterised in that: the positioning barricade (12) and inside casing (15) one
It is body formed；Alternatively, the positioning barricade (12) and inside casing (15) are welded.
9. bone-conduction speaker according to claim 6, it is characterised in that: further include shell, branch is equipped in the shell
Bracer (10), the elastic slice (8) are set on supporting block (10).
10. bone-conduction speaker according to claim 6, it is characterised in that: it further include coil (7), the inside casing (15)
It is equipped with and holds the coil via hole (16) that coil (7) pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920758868.6U CN209545838U (en) | 2019-05-24 | 2019-05-24 | A kind of bone-conduction speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920758868.6U CN209545838U (en) | 2019-05-24 | 2019-05-24 | A kind of bone-conduction speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209545838U true CN209545838U (en) | 2019-10-25 |
Family
ID=68247002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920758868.6U Active CN209545838U (en) | 2019-05-24 | 2019-05-24 | A kind of bone-conduction speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209545838U (en) |
-
2019
- 2019-05-24 CN CN201920758868.6U patent/CN209545838U/en active Active
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