CN215647327U - Miniature loudspeaker - Google Patents
Miniature loudspeaker Download PDFInfo
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- CN215647327U CN215647327U CN202121541243.8U CN202121541243U CN215647327U CN 215647327 U CN215647327 U CN 215647327U CN 202121541243 U CN202121541243 U CN 202121541243U CN 215647327 U CN215647327 U CN 215647327U
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Abstract
The utility model discloses a micro loudspeaker, which comprises a vibrating diaphragm and a first frame in an annular frame shape, wherein the vibrating diaphragm comprises an outer fixing part, and further comprises a second frame in an annular frame shape, the second frame is sleeved on the first frame, the top of the second frame is lower than the top of the first frame and is arranged to form a step part with the top of the first frame, the outer fixing part is connected with a folded edge, and the folded edge is positioned in the step part and is fixedly connected with the outer side surface of the first frame. This micro loudspeaker simple structure, novelty, it is first together to have the suit, two basin framves not only can make things convenient for the manufacturing of basin frame, and first basin frame supports each other with second basin frame moreover, can guarantee the structural strength of basin frame structure in the micro loudspeaker effectively, moreover, because the vibrating diaphragm has the hem, the hem is connected fixedly with the side of first basin frame and/or second basin frame and can improve the stability of being connected of vibrating diaphragm and basin frame structure effectively to improve micro loudspeaker's structural stability.
Description
Technical Field
The utility model relates to the technical field of electroacoustic transducers, in particular to a miniature loudspeaker.
Background
At present, most of loudspeakers and receivers used by mobile terminals are moving-coil loudspeakers. The moving-coil speaker includes: magnetic circuit subassembly, vibration subassembly and accept fixedly magnetic circuit subassembly and vibration subassembly's basin frame, the vibration subassembly includes vibrating diaphragm, ball top and voice coil loudspeaker voice coil.
In prior art, in order to promote miniature speaker performance, can generally be with the thickness attenuation of basin frame, basin frame thickness attenuation back, the structural strength of basin frame is difficult to guarantee, and in addition, the thickness attenuation of basin frame can lead to the positive veneer width of basin frame and vibrating diaphragm to reduce, and during reliability experiments such as production and fall, the deformation very easily appears in the basin frame, and the vibrating diaphragm also easily separates with the basin frame to influence miniature speaker life-span.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: provides a novel micro loudspeaker with stable structure.
In order to solve the technical problems, the first technical scheme adopted by the utility model is as follows: the utility model provides a micro loudspeaker, includes the vibrating diaphragm and is the first basin frame of ring frame form, the vibrating diaphragm includes outer fixed part, still including the second basin frame that is ring frame form, second basin frame suit is in on the first basin frame, the top of second basin frame is less than the top setting of first basin frame with the top of first basin frame forms step portion, outer fixed part is connected with the hem, the hem is located in the step portion and with the lateral surface of first basin frame is connected fixedly.
Further, the top surface of the first basin frame is fixedly connected with the outer fixing part.
Further, the bottom of the folded edge is fixedly connected with the bottom surface of the stepped part.
Furthermore, the flowerpot further comprises a third pot frame in an annular frame shape, and the third pot frame is sleeved in the first pot frame and is fixedly connected with the first pot frame.
Further, the top of the third basin frame is connected with the outer fixing part, or the top of the third basin frame is lower than the top of the first basin frame.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a micro loudspeaker, includes the vibrating diaphragm and is the first basin frame of ring frame form, the vibrating diaphragm includes outer fixed part, still including the second basin frame that is ring frame form, second basin frame suit is in on the first basin frame, the top of second basin frame is higher than the top setting of first basin frame with the top of first basin frame forms step portion, outer fixed part is connected with the hem, the hem is located in the step portion and with the medial surface of second basin frame is connected fixedly.
Further, the top surface of the second basin frame is fixedly connected with the outer fixing part.
Further, the bottom of the folded edge is fixedly connected with the bottom surface of the stepped part.
Furthermore, the flowerpot further comprises a third pot frame in an annular frame shape, and the third pot frame is sleeved in the first pot frame and is fixedly connected with the first pot frame.
Furthermore, the top of the third basin frame is higher than the top of the first basin frame, and the outer side face of the third basin frame is fixedly connected with the inner side face of the folded edge.
The utility model has the beneficial effects that: this micro loudspeaker simple structure, novelty, it is first together to have the suit, two basin framves not only can make things convenient for the manufacturing of basin frame, and first basin frame supports each other with second basin frame moreover, can guarantee the structural strength of basin frame structure in the micro loudspeaker effectively, moreover, because the vibrating diaphragm has the hem, the hem is connected fixedly with the side of first basin frame and/or second basin frame and can improve the stability of being connected of vibrating diaphragm and basin frame structure effectively to improve micro loudspeaker's structural stability. In addition, the folded edge can not protrude out of the outer side surface of the frame structure, so that the risk that the vibrating diaphragm is damaged or warped due to impact of a foreign object is greatly reduced, the structural stability of the micro loudspeaker is further improved, and the micro loudspeaker is durable.
Drawings
Fig. 1 is a cross-sectional view of a micro-speaker according to a first embodiment of the present invention;
FIG. 2 is an enlarged view of detail A in FIG. 1;
fig. 3 is a sectional view showing a partial structure of a micro-speaker according to a second embodiment of the present invention;
fig. 4 is a sectional view of a micro-speaker according to a third embodiment of the present invention;
FIG. 5 is an enlarged view of detail B of FIG. 4;
fig. 6 is a sectional view showing a partial structure of a micro-speaker according to a fourth embodiment of the present invention.
Description of reference numerals:
1. a magnetic circuit assembly;
2. a voice coil;
3. vibrating diaphragm; 31. an inner fixing portion; 32. a folded ring part; 33. an outer fixing portion; 34. folding edges;
4. a first frame;
5. a second frame;
6. a step portion;
7. and a third basin frame.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 6, a micro speaker includes a diaphragm 3 and a first frame 4 in a ring frame shape, the diaphragm 3 includes an outer fixing portion 33, and further includes a second frame 5 in a ring frame shape, the second frame 5 is sleeved on the first frame 4, the top of the second frame 5 is lower than the top of the first frame 4 to form a step portion 6 with the top of the first frame 4, the outer fixing portion 33 is connected with a folded edge 34, and the folded edge 34 is located in the step portion 6 and is fixedly connected with the outer side surface of the first frame 4.
From the above description, the beneficial effects of the present invention are: this micro loudspeaker simple structure, novelty, it is first together to have the suit, two basin framves not only can make things convenient for the manufacturing of basin frame, first basin frame 4 supports each other with second basin frame 5 moreover, can guarantee micro loudspeaker well basin frame structure's structural strength effectively, moreover, because vibrating diaphragm 3 has hem 34, hem 34 is connected fixedly with the side of first basin frame 4 and/or second basin frame 5 and can improves vibrating diaphragm 3 and basin frame structure's stability of being connected effectively, thereby improve micro loudspeaker's structural stability. In addition, the folded edge 34 does not protrude out of the outer side surface of the frame structure, so that the risk that the vibrating diaphragm 3 is damaged or tilted due to impact of a foreign object is greatly reduced, the structural stability of the micro-speaker is further improved, and the micro-speaker is durable.
Further, the top surface of the first frame 4 is fixedly connected with the outer fixing portion 33.
As can be seen from the above description, the top surface of the first frame 4 is connected and fixed with the outer fixing portion 33, so that the combination area of the vibrating diaphragm 3 and the frame structure can be increased, and the stability of the connection of the vibrating diaphragm 3 and the frame structure can be improved.
Further, the bottom of the folded edge 34 is connected and fixed to the bottom surface of the stepped portion 6.
As can be seen from the above description, the bottom of the folded edge 34 is connected and fixed to the bottom surface of the step portion 6, so that the combination area of the diaphragm 3 and the frame structure can be increased, and the stability of the connection of the diaphragm 3 and the frame structure can be improved.
Furthermore, the flowerpot further comprises a third pot frame 7 in a ring frame shape, wherein the third pot frame 7 is sleeved in the first pot frame 4 and is fixedly connected with the first pot frame 4.
As can be seen from the above description, the provision of the third frame 7 can further improve the structural strength of the entire frame structure.
Further, the top of the third frame 7 is connected to the outer fixing portion 33, or the top of the third frame 7 is lower than the top of the first frame 4.
As can be seen from the above description, when the top of the third frame 7 is connected to the outer fixing portion 33, it is beneficial to increase the combination area of the vibrating diaphragm 3 and the frame structure, so as to improve the stability of the connection of the vibrating diaphragm 3 and the frame structure; when the top of the third frame 7 is lower than the top of the first frame 4, the third frame 7 can avoid other areas (such as the folding ring part 32) of the diaphragm 3, so that the working stability of the diaphragm 3 can be guaranteed, and the diaphragm 3 is prevented from interfering with the third frame 7 during vibration.
The utility model provides a micro loudspeaker, includes vibrating diaphragm 3 and is the first basin frame 4 of ring frame form, vibrating diaphragm 3 includes outer fixed part 33, still including the second basin frame 5 that is ring frame form, 5 suits of second basin frame are in on the first basin frame 4, the top of second basin frame 5 is higher than the top of first basin frame 4 set up with the top of first basin frame 4 forms step portion 6, outer fixed part 33 is connected with hem 34, hem 34 is located in step portion 6 and with the medial surface of second basin frame 5 is connected fixedly.
Further, the top surface of the second frame 5 is fixedly connected with the outer fixing portion 33.
From the above description, the top surface of the second frame 5 is connected and fixed with the outer fixing portion 33, so that the combination area of the vibrating diaphragm 3 and the frame structure can be increased, and the stability of the connecting of the vibrating diaphragm 3 and the frame structure can be improved.
Further, the bottom of the folded edge 34 is connected and fixed to the bottom surface of the stepped portion 6.
As can be seen from the above description, the bottom of the folded edge 34 is connected and fixed to the bottom surface of the step portion 6, so that the combination area of the diaphragm 3 and the frame structure can be increased, and the stability of the connection of the diaphragm 3 and the frame structure can be improved.
Furthermore, the flowerpot further comprises a third pot frame 7 in a ring frame shape, wherein the third pot frame 7 is sleeved in the first pot frame 4 and is fixedly connected with the first pot frame 4.
As can be seen from the above description, the provision of the third frame 7 can further improve the structural strength of the entire frame structure.
Further, the top of the third frame 7 is higher than the top of the first frame 4, and the outer side of the third frame 7 is fixedly connected with the inner side of the folded edge 34.
As can be seen from the above description, the third frame 7 connected to the first frame 4 is also connected to the folded edge 34, which is beneficial to further increase the bonding area between the vibrating diaphragm 3 and the frame, so as to improve the bonding force between the vibrating diaphragm 3 and the frame structure.
Example one
Referring to fig. 1 and fig. 2, a first embodiment of the present invention is: a micro speaker can be applied to electronic equipment with a sound playing function, such as a mobile phone, a tablet personal computer, an intelligent watch, an interphone, a portable game machine and the like.
The micro loudspeaker comprises a basin frame structure, and a vibration assembly and a magnetic circuit assembly 1 which are respectively arranged on the basin frame structure. The vibration component comprises a voice diaphragm component and a voice coil 2 arranged on the voice diaphragm component, the bottom of the voice coil 2 extends into the magnetic gap of the magnetic circuit component 1, the voice diaphragm component comprises a vibrating diaphragm 3, and the vibrating diaphragm 3 comprises an inner fixing part 31, a corrugated ring part 32 and an outer fixing part 33 which are sequentially connected from inside to outside. Optionally, the sound film assembly further comprises a dome connected to the inner fixing portion 31.
Specifically, basin frame structure is including being first basin frame 4 and second basin frame 5 of ring frame form respectively, 5 suits of second basin frame are in on the first basin frame 4, the top of second basin frame 5 is less than the top setting of first basin frame 4 with the top of first basin frame 4 forms step portion 6, outer fixed part 33 is connected with hem 34, hem 34 is located in step portion 6 and with the lateral surface of first basin frame 4 is connected fixedly. Optionally, the first frame 4 and the second frame 5 are welded, glued, clamped or in interference fit, and in this embodiment, the first frame 4 and the second frame 5 are connected by laser spot welding. In a preferred embodiment, the bottom surface of the first frame 4 is flush with the bottom surface of the second frame 5.
In order to increase the bonding area between the diaphragm 3 and the frame structure, optionally, the top surface of the first frame 4 is connected and fixed to the outer fixing portion 33. And/or the bottom of the folded edge 34 is fixedly connected with the bottom surface of the step part 6.
Example two
Referring to fig. 3, the second embodiment of the present invention is a further improvement of the basin frame structure based on the first embodiment, and the difference from the first embodiment is only that: the basin stand structure also comprises a third basin stand 7 in a ring frame shape.
Specifically, the third frame 7 is sleeved in the first frame 4 and is fixedly connected with the first frame 4. Optionally, the first frame 4 and the third frame 7 are welded, glued, clamped or in interference fit, and in this embodiment, the first frame 4 and the third frame 7 are connected by laser spot welding. In a preferred embodiment, the bottom surface of the first frame 4 is flush with the bottom surface of the third frame 7.
Further, when the end of the outer fixing part 33 close to the ring-folded part 32 has enough margin, the top of the third frame 7 is connected with the outer fixing part 33; when the allowance of the outer fixing part 33 close to one end of the folded ring part 32 is not large, the top of the third frame 7 is lower than that of the first frame 4 in order to avoid the collision of the third frame 7 with the folded ring part 32.
EXAMPLE III
Referring to fig. 4 and 5, a third embodiment of the present invention is: a micro speaker can be applied to electronic equipment with a sound playing function, such as a mobile phone, a tablet personal computer, an intelligent watch, an interphone, a portable game machine and the like.
The micro loudspeaker comprises a basin frame structure, and a vibration assembly and a magnetic circuit assembly 1 which are respectively arranged on the basin frame structure. The vibration component comprises a voice diaphragm component and a voice coil 2 arranged on the voice diaphragm component, the bottom of the voice coil 2 extends into the magnetic gap of the magnetic circuit component 1, the voice diaphragm component comprises a vibrating diaphragm 3, and the vibrating diaphragm 3 comprises an inner fixing part 31, a corrugated ring part 32 and an outer fixing part 33 which are sequentially connected from inside to outside. Optionally, the sound film assembly further comprises a dome connected to the inner fixing portion 31.
Specifically, the basin frame structure is including being first basin frame 4 and second basin frame 5 of ring frame form respectively, 5 suits of second basin frame are in on the first basin frame 4, the top of second basin frame 5 is higher than the top setting of first basin frame 4 with the top of first basin frame 4 forms step portion 6, outer fixed part 33 is connected with hem 34, hem 34 is located in step portion 6 and with the medial surface of second basin frame 5 is connected fixedly. Optionally, the first frame 4 and the second frame 5 are welded, glued, clamped or in interference fit, and in this embodiment, the first frame 4 and the second frame 5 are connected by laser spot welding. In a preferred embodiment, the bottom surface of the first frame 4 is flush with the bottom surface of the second frame 5.
In order to increase the combination area of the diaphragm 3 and the frame structure, optionally, the top surface of the second frame 5 is connected and fixed with the outer fixing portion 33. And/or the bottom of the folded edge 34 is fixedly connected with the bottom surface of the step part 6.
Example four
Referring to fig. 6, a fourth embodiment of the present invention is a further improvement of the basin frame structure on the basis of the third embodiment, and the difference from the third embodiment is only that: the basin stand structure also comprises a third basin stand 7 in a ring frame shape.
Specifically, the third frame 7 is sleeved in the first frame 4 and is fixedly connected with the first frame 4. Optionally, the first frame 4 and the third frame 7 are welded, glued, clamped or in interference fit, and in this embodiment, the first frame 4 and the third frame 7 are connected by laser spot welding. In a preferred embodiment, the bottom surface of the first frame 4 is flush with the bottom surface of the third frame 7.
In a preferred embodiment, the top of the third frame 7 is higher than the top of the first frame 4, and the outer side of the third frame 7 is fixedly connected with the inner side of the folded edge 34.
In summary, the micro-speaker provided by the utility model has a simple and novel structure, the first and second frame sleeved together can facilitate the processing and manufacturing of the frame, the first frame and the second frame are mutually supported, the structural strength of the frame structure in the micro-speaker can be effectively ensured, and the vibrating diaphragm has the folded edge which is fixedly connected with the side surface of the first frame and/or the second frame, so that the connection stability of the vibrating diaphragm and the frame structure can be effectively improved, and the structural stability of the micro-speaker is improved. In addition, the folded edge can not protrude out of the outer side surface of the frame structure, so that the risk that the vibrating diaphragm is damaged or warped due to impact of a foreign object is greatly reduced, the structural stability of the micro loudspeaker is further improved, and the micro loudspeaker is durable. The structural strength of basin frame structure can further be strengthened in the setting of third basin frame, moreover, when third basin frame is connected with the hem, can increase the combined area of vibrating diaphragm and basin frame structure to improve micro loudspeaker's structural stability.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a micro loudspeaker, includes the vibrating diaphragm and is the first basin frame of ring frame form, the vibrating diaphragm includes outer fixed part, its characterized in that: still including being the second basin frame of ring frame form, second basin frame suit is in on the first basin frame, the top of second basin frame is less than the top setting of first basin frame with the top of first basin frame forms step portion, outer fixed part is connected with the hem, the hem is located in the step portion and with the lateral surface of first basin frame is connected fixedly.
2. The micro-speaker of claim 1, wherein: the top surface of the first basin frame is fixedly connected with the outer fixing part.
3. The micro-speaker of claim 1, wherein: the bottom of the folded edge is fixedly connected with the bottom surface of the step part.
4. The micro-speaker of claim 1, wherein: the third basin frame is sleeved in the first basin frame and is fixedly connected with the first basin frame.
5. The micro-speaker of claim 4, wherein: the top of the third basin frame is connected with the outer fixing part, or the top of the third basin frame is lower than the top of the first basin frame.
6. The utility model provides a micro loudspeaker, includes the vibrating diaphragm and is the first basin frame of ring frame form, the vibrating diaphragm includes outer fixed part, its characterized in that: still including being the second basin frame of ring frame form, second basin frame suit is in on the first basin frame, the top of second basin frame is higher than the top setting of first basin frame with the top of first basin frame forms step portion, outer fixed part is connected with the hem, the hem is located in the step portion and with the medial surface of second basin frame is connected fixedly.
7. The micro-speaker of claim 6, wherein: the top surface of the second basin frame is fixedly connected with the outer fixing part.
8. The micro-speaker of claim 6, wherein: the bottom of the folded edge is fixedly connected with the bottom surface of the step part.
9. The micro-speaker of claim 6, wherein: the third basin frame is sleeved in the first basin frame and is fixedly connected with the first basin frame.
10. The micro-speaker of claim 9, wherein: the top of the third basin frame is higher than the top of the first basin frame, and the outer side face of the third basin frame is fixedly connected with the inner side face of the folded edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121541243.8U CN215647327U (en) | 2021-07-07 | 2021-07-07 | Miniature loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121541243.8U CN215647327U (en) | 2021-07-07 | 2021-07-07 | Miniature loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215647327U true CN215647327U (en) | 2022-01-25 |
Family
ID=79948699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121541243.8U Active CN215647327U (en) | 2021-07-07 | 2021-07-07 | Miniature loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215647327U (en) |
-
2021
- 2021-07-07 CN CN202121541243.8U patent/CN215647327U/en active Active
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Address after: 413000 building K1, standardized workshop, East Industrial Park, high tech Zone, Yiyang City, Hunan Province Patentee after: Weishi Technology Co.,Ltd. Country or region after: China Address before: 413000 building K1, standardized workshop, East Industrial Park, high tech Zone, Yiyang City, Hunan Province Patentee before: Yiyang Xinwei Acoustic Technology Co.,Ltd. Country or region before: China |