CN218634286U - Split type diaphragm loudspeaker - Google Patents
Split type diaphragm loudspeaker Download PDFInfo
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- CN218634286U CN218634286U CN202223198231.7U CN202223198231U CN218634286U CN 218634286 U CN218634286 U CN 218634286U CN 202223198231 U CN202223198231 U CN 202223198231U CN 218634286 U CN218634286 U CN 218634286U
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- diaphragm
- voice coil
- iron shell
- wall
- loudspeaker
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Abstract
The utility model relates to the technical field of loudspeakers, in particular to a split type diaphragm loudspeaker, which comprises an iron shell, wherein an active cavity is arranged in the iron shell; a magnet; washer; the voice coil is movably arranged in the movable cavity and movably sleeved outside the magnet and the washer; the middle part of the inner diaphragm is provided with a pit, the bottom of the pit is bulged upwards to form a bulged part, the outer wall of the pit is connected with the inner wall of the voice coil, and the bulged part is arranged in the voice coil; and the outer diaphragm is arranged between the outer wall of the voice coil and the iron shell. The utility model discloses a set up the diaphragm into the split type structure of outer diaphragm and interior diaphragm, when work, interior diaphragm is in other words on loudspeaker in addition a little diaphragm mainly is responsible for the high frequency channel, and outer diaphragm mainly is responsible for the sound of well low frequency channel, and above-mentioned setting can reach the effect that the high frequency was prolonged by to reduce the decay of high frequency.
Description
Technical Field
The utility model relates to a loudspeaker technical field, concretely relates to split type diaphragm loudspeaker.
Background
The loudspeaker is a transducer for converting an electric signal into an acoustic signal, and after the voice coil is electrified, the diaphragm is driven to vibrate up and down under the action of a magnetic field, so that sound is generated.
In a traditional loudspeaker, a diaphragm is of an integral structure and is generally arranged between a voice coil and an iron shell, and the voice is driven by the voice coil to vibrate up and down so as to generate sound; as shown in chinese patent nos. CN202020529902.5 and CN 201821009752.4; because the diaphragm of the loudspeaker is of an integral structure, when the loudspeaker works, the diaphragm vibrates to a certain degree, and the working in the high-frequency direction is more, the sound in the high-frequency band is more attenuated.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned among the prior art not enough, provide a split type diaphragm loudspeaker, can reduce the decay of the sound of high frequency channel.
The purpose of the utility model is realized through the following technical scheme: a split diaphragm horn comprising:
the iron shell is internally provided with a movable cavity;
the magnet is arranged at the bottom of the movable cavity;
the washer is arranged on the top of the magnet;
the voice coil is movably arranged in the movable cavity and movably sleeved outside the magnet and the washer;
the middle part of the inner diaphragm is provided with a pit, the bottom of the pit is bulged upwards to form a bulged part, the outer wall of the pit is connected with the inner wall of the voice coil, and the bulged part is arranged in the voice coil;
and the outer diaphragm is arranged between the outer wall of the voice coil and the iron shell.
The utility model is further arranged that the middle part of the outer diaphragm is provided with a through hole; the voice coil is arranged in the through hole.
The utility model discloses further set up to, the outer wall of voice coil loudspeaker voice coil be equipped with through-hole complex stopper.
The utility model is further provided with a limiting ring arranged at the periphery of the outer diaphragm; and the top of the iron shell is provided with a limiting groove matched with the limiting ring.
The utility model is further arranged in that the periphery of the inner diaphragm is provided with an inclined part; the inclined part has the same inclination direction as that of the outer membrane; the inclined portion is provided at the top of the outer membrane.
The utility model is further arranged in that the iron shell comprises a cylindrical part and a boss part arranged on the top of the cylindrical part; the bottom of the boss part is provided with a circuit board.
The utility model discloses further set up to, boss portion is equipped with the through wires hole with the activity chamber intercommunication.
The utility model discloses further set up to, the bottom of boss portion is equipped with the bleeder vent that communicates with the activity chamber.
The utility model discloses further set up to, the voice coil loudspeaker voice coil is paper tube skeleton voice coil loudspeaker voice coil.
The utility model has the advantages that: the utility model discloses a set up the diaphragm into the split type structure of outer diaphragm and interior diaphragm, in work, interior diaphragm is in other words on loudspeaker in addition a little diaphragm mainly is responsible for the high frequency channel, and the sound of well low frequency channel is mainly responsible for to the outer diaphragm, and the aforesaid sets up the effect that can reach the high frequency delay to reduce the decay of high frequency.
Drawings
The invention is further described with the aid of the accompanying drawings, in which the embodiments do not constitute any limitation to the invention, and for a person skilled in the art, without inventive step, other figures can be derived from the following figures.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is an exploded view of the present invention;
fig. 3 is a cross-sectional view of the present invention;
wherein: 1. an iron shell; 11. a movable cavity; 12. a limiting groove; 21. a magnet; 22. washer; 23. a voice coil; 4. an inner membrane; 41. a pit; 42. a bulge portion; 43. an inclined portion; 5. an outer membrane; 51. a through hole; 52. a limiting ring; 6. a limiting block; 71. a cylindrical portion; 72. a boss portion; 73. a threading hole; 74. air holes are formed; 8. a circuit board.
Detailed Description
The invention will be further described with reference to the following examples.
As can be seen from fig. 1 to 3, the split diaphragm speaker of the present embodiment includes: the iron shell comprises an iron shell 1, wherein a movable cavity 11 is arranged in the iron shell 1; the magnet 21 is arranged at the bottom of the movable cavity 11; a washer 22 arranged on the top of the magnet 21; the voice coil 23 is movably arranged in the movable cavity 11, and the voice coil 23 is movably sleeved outside the magnet 21 and the washer 22; the inner diaphragm 4, a concave pit 41 is arranged in the middle of the inner diaphragm 4, a bulge 42 is formed by bulging the bottom of the concave pit 41 upwards, the outer wall of the concave pit 41 is connected with the inner wall of the voice coil 23, and the bulge 42 is arranged in the voice coil 23; the outer diaphragm 5 is arranged between the outer wall of the voice coil 23 and the iron shell 1; wherein the outer diaphragm 5 as well as the inner diaphragm 4 may be connected to the voice coil 23 by glue.
Specifically, in the split-type diaphragm loudspeaker according to the embodiment, when in use, after the voice coil 23 is energized, the inner diaphragm 4 and the outer diaphragm 5 are driven to vibrate up and down under the action of the magnetic field of the magnet 21, so that sound is generated; and this embodiment is through setting up the diaphragm into outer diaphragm 5 and the split type structure of inner diaphragm 4, and when working, inner diaphragm 4 is on loudspeaker in other words and a little diaphragm of in addition is mainly responsible for the high frequency channel, and outer diaphragm 5 is mainly responsible for the sound of well low frequency channel, and above-mentioned setting can reach the effect that the high frequency was prolonged by to reduce the decay of high frequency.
In the split diaphragm horn of the present embodiment, the middle of the outer diaphragm 5 is provided with a through hole 51; the voice coil 23 is disposed in the through hole 51. Can give voice coil 23 to give way effectively through above-mentioned setting for compact structure.
In the split diaphragm loudspeaker of this embodiment, the outer wall of the voice coil 23 is provided with a limiting block 6 matched with the through hole 51. The position of the outer membrane 5 can be limited by the arrangement.
In the split diaphragm horn of this embodiment, a limiting ring 52 is disposed on the periphery of the outer diaphragm 5; the top of the iron shell 1 is provided with a limiting groove 12 matched with the limiting ring 52. Specifically, the outer periphery of the outer diaphragm 5 can be effectively fixed to the top of the iron shell 1 by the above arrangement.
In the split diaphragm horn of this embodiment, the outer periphery of the inner diaphragm 4 is provided with the inclined portion 43; the inclined portion 43 is inclined in the same direction as the outer membrane 5; the inclined portion 43 is provided on the top of the outer membrane 5. Specifically, through the arrangement, the overall structure of the inner diaphragm 4 is Z-shaped in a cross-sectional view, and the design of the Z-shaped inner diaphragm 4 can enable the loudspeaker to have better high-frequency ductility and simple operation.
In the split diaphragm loudspeaker of this embodiment, the iron casing 1 includes a cylindrical portion 71 and a boss portion 72 disposed at the top of the cylindrical portion 71; the bottom of the boss portion 72 is provided with a circuit board 8. It is convenient to accomodate circuit board 8 through above-mentioned setting.
In the split diaphragm speaker of this embodiment, the boss portion 72 is provided with a threading hole 73 communicating with the movable chamber 11. Through the arrangement, the voice coil 23 can be connected with the circuit board 8 after passing through the wire threading hole 73 through the lead wire.
In the split diaphragm horn of this embodiment, the bottom of the boss portion 72 is provided with an air hole 74 communicated with the movable cavity 11. Through the arrangement, the gas inside the horn can circulate.
In the split diaphragm speaker of this embodiment, the voice coil 23 is a paper bobbin voice coil 23. The device can bear larger power and is not easy to deform.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. A split diaphragm loudspeaker, comprising:
the iron shell (1), wherein a movable cavity (11) is arranged in the iron shell (1);
the magnet (21) is arranged at the bottom of the movable cavity (11);
a washer (22) arranged on the top of the magnet (21);
the voice coil (23) is movably arranged in the movable cavity (11), and the voice coil (23) is movably sleeved outside the magnet (21) and the washer (22);
the voice coil loudspeaker comprises an inner diaphragm (4), wherein a pit (41) is formed in the middle of the inner diaphragm (4), the bottom of the pit (41) is bulged upwards to form a bulged part (42), the outer wall of the pit (41) is connected with the inner wall of the voice coil (23), and the bulged part (42) is arranged in the voice coil (23);
and the outer diaphragm (5) is arranged between the outer wall of the voice coil (23) and the iron shell (1).
2. The split diaphragm horn of claim 1, wherein: the middle part of the outer membrane (5) is provided with a through hole (51); the voice coil (23) is arranged in the through hole (51).
3. The split diaphragm horn of claim 2, wherein: the outer wall of the voice coil (23) is provided with a limiting block (6) matched with the through hole (51).
4. The split diaphragm horn of claim 2, wherein: a limiting ring (52) is arranged on the periphery of the outer membrane (5); and the top of the iron shell (1) is provided with a limiting groove (12) matched with the limiting ring (52).
5. The split diaphragm horn of claim 2, wherein: the periphery of the inner membrane (4) is provided with an inclined part (43); the inclined part (43) has the same inclination direction as the outer membrane (5); the inclined portion (43) is provided at the top of the outer membrane (5).
6. The split diaphragm horn of claim 1, wherein: the iron shell (1) comprises a cylindrical part (71) and a boss part (72) arranged at the top of the cylindrical part (71); the bottom of the boss part (72) is provided with a circuit board (8).
7. The split diaphragm horn of claim 6, wherein: the boss part (72) is provided with a threading hole (73) communicated with the movable cavity (11).
8. The split diaphragm horn of claim 6, wherein: the bottom of the boss part (72) is provided with an air hole (74) communicated with the movable cavity (11).
9. The split diaphragm horn of claim 1, wherein: the voice coil (23) is a paper tube framework voice coil (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223198231.7U CN218634286U (en) | 2022-11-29 | 2022-11-29 | Split type diaphragm loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223198231.7U CN218634286U (en) | 2022-11-29 | 2022-11-29 | Split type diaphragm loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218634286U true CN218634286U (en) | 2023-03-14 |
Family
ID=85451920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223198231.7U Active CN218634286U (en) | 2022-11-29 | 2022-11-29 | Split type diaphragm loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218634286U (en) |
-
2022
- 2022-11-29 CN CN202223198231.7U patent/CN218634286U/en active Active
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