CN209488756U - A kind of ultrathin loudspeaker - Google Patents
A kind of ultrathin loudspeaker Download PDFInfo
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- CN209488756U CN209488756U CN201920340734.2U CN201920340734U CN209488756U CN 209488756 U CN209488756 U CN 209488756U CN 201920340734 U CN201920340734 U CN 201920340734U CN 209488756 U CN209488756 U CN 209488756U
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- fixedly installed
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Abstract
The utility model discloses a kind of ultrathin loudspeakers, it is related to electro-acoustic transducer device field, including shell, the side surface top of the shell is fixedly installed with frame, the inner wall of the frame is fixedly installed with vibrating diaphragm close to the position on top, the bottom of the frame is fixedly installed with centering gasket, damping device has been bolted in the lower surface middle position of the centering gasket, vibrating diaphragm bottom middle position is fixedly installed with the first mandril, the lower rotation of first mandril is connected with lever, the middle position of the lever is rotatably equipped with support rod, one end of the lever is rotatably connected to electro-acoustic conversion device.The utility model realizes the propagation of vibration signal by lever, so that the height of vibrating diaphragm is reduced, to ensure that the integrally-built leakproofness of loudspeaker, in addition, by increasing damping device, poor contact problem caused by can effectively mitigating internal components due to frequent vibration.
Description
Technical field
The utility model relates to electro-acoustic transducer device technical field, specifically a kind of ultrathin loudspeaker.
Background technique
At this stage, under the trend that electronic product is increasingly miniaturized, sight has equally been invested light easy movement by consumer
Acoustic product, as the source of sounding, the ultrathin of general loudspeaker unit seems particularly critical.
At present method common in industry be realized by rejecting to play wave or reduce the methods of effective height of drum paper, but
The intensity or space of part have to reduce, so that performance has many deficiencies compared with general structure loudspeaker, it cannot
Reach the sound quality level same with traditional structure loudspeaker, meanwhile, it is such to reject raising for the effective height for playing wave or reduction drum paper
The case where sound device, dust-proof effect is poor and the components of inside loudspeakers will cause poor contact because of frequent vibration, influence loudspeaking
Device sound quality.Therefore, those skilled in the art provide a kind of ultrathin loudspeaker, to solve mentioned above in the background art ask
Topic.
Summary of the invention
The purpose of this utility model is to provide a kind of ultrathin loudspeakers, to solve part mentioned above in the background art
The intensity or space of part have to reduce, so that performance has many deficiencies compared with general structure loudspeaker, cannot reach
The sound quality level same with traditional structure loudspeaker, meanwhile, it is such to reject the loudspeaker for playing the effective height of wave or reduction drum paper,
The case where dust-proof effect is poor and the components of inside loudspeakers will cause poor contact because of ordinary vibration, influences loudspeaker tonequality
The problem of.
To achieve the above object, the utility model provides the following technical solutions:
A kind of ultrathin loudspeaker, including shell, the side surface top of the shell are fixedly installed with frame, the frame
Inner wall is fixedly installed with vibrating diaphragm close to the position on top, and the bottom of the frame is fixedly installed with centering gasket, the centering pad
Damping device has been bolted in the lower surface middle position of piece, and vibrating diaphragm bottom middle position is fixedly installed with the first top
Bar, the lower rotation of first mandril are connected with lever, and the middle position of the lever is rotatably equipped with support rod, the branch
Strut bottom is fixedly installed in the inner bottom surface of shell, and one end of the lever is rotatably connected to electro-acoustic conversion device, the electroacoustic
Conversion equipment bottom is fixedly installed in position of the inner bottom surface close to support rod of shell.
As a further solution of the present invention: the electro-acoustic conversion device includes be rotationally connected with lever one end
Two mandrils, the bottom of second mandril are fixedly installed with voice coil, and the side surface of the voice coil is fixedly installed with bullet wave, the bullet
The bottom of wave has been bolted Hua Si, and the lower surface of the Hua Si is provided with magnet, in the bullet wave, Hua Si and magnet
Between position through there is a T iron, be fixedly installed with magnetic screen shell on the outside of the T iron.
The damping device includes being fixedly installed in centering gasket bottom as a further solution of the present invention,
Between position upper backup pad, the lower surface middle position of the upper backup pad is fixedly installed with connection frame, the bottom of the connection frame
Portion is fixedly installed with push rod, and the bottom end of the push rod is fixedly installed with spring, and the bottom end of the spring is fixedly installed with lower support
The upper surface of plate, the lower supporting plate is fixedly installed with spring retainer cylinder close to the bottom position of spring.
The magnetic screen shell is a kind of component of permalloy material as a further solution of the present invention,.
The number of components of the push rod, spring and spring retainer cylinder composition as a further solution of the present invention,
At least three, and be distributed in a ring in the upper surface of lower supporting plate.
The top edge position of the frame is fixedly installed with flanging as a further solution of the present invention, institute
State the component that flanging is a kind of rubber material.
Compared with prior art, the utility model has the beneficial effects that
The utility model realizes the propagation of vibration signal by lever, so that the height of vibrating diaphragm is reduced, to reduce
The height of loudspeaker, meanwhile, it connect because voice coil is not direct with vibrating diaphragm, to ensure that the integrally-built leakproofness of loudspeaker, makes
It is more preferable to obtain loudspeaker dust-proof effect, in addition, the utility model can not only be effectively controlled different vibrations by increasing damping device
In the case that dynamic frequency is quickly converted, reduces the sonic impinging to vibrating diaphragm, prolong its service life, can effectively mitigate inside
Components due to frequent vibration caused by poor contact, and then influence loudspeaker tonequality the problem of.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of ultrathin loudspeaker；
Fig. 2 is a kind of structural schematic diagram of electro-acoustic conversion device in ultrathin loudspeaker；
Fig. 3 is a kind of structural schematic diagram of damping device in ultrathin loudspeaker.
In figure: 1, shell；2, frame；3, damping device；4, the first mandril；5, vibrating diaphragm；6, flanging；7, electroacoustic converting means
It sets；8, support rod；9, lever；10, magnetic screen shell；11, the second mandril；12, voice coil；13, wave is played；14, Hua Si；15, T iron；
16, magnet；17, upper backup pad；18, connection frame；19, spring；20, push rod；21, spring retainer cylinder；22, centering gasket；23, under
Support plate.
Specific embodiment
Please refer to Fig. 1~3, in the utility model embodiment, a kind of ultrathin loudspeaker, including shell 1, the side table of shell 1
Face top is fixedly installed with frame 2, and the inner wall of frame 2 is fixedly installed with vibrating diaphragm 5 close to the position on top, and the bottom of frame 2 is solid
Damping device 3,5 bottom of vibrating diaphragm has been bolted equipped with centering gasket 22, the lower surface middle position of centering gasket 22 in Dingan County
Portion middle position is fixedly installed with the first mandril 4, and the lower rotation of the first mandril 4 is connected with lever 9, the middle position of lever 9
It is rotatably equipped with support rod 8,8 bottom of support rod is fixedly installed in the inner bottom surface of shell 1, and one end of lever 9 is rotatably connected to electricity
Sound converting apparatus 7,7 bottom of electro-acoustic conversion device are fixedly installed in the inner bottom surface of shell 1 close to the position of support rod 8.
In Fig. 2: electro-acoustic conversion device 7 includes the second mandril 11 for being rotationally connected with 9 one end of lever, the second mandril 11
Bottom is fixedly installed with voice coil 12, and the side surface of voice coil 12, which is fixedly installed with, plays wave 13, and the bottom for playing wave 13 is bolted
There is the lower surface of this 14, Hua Si 14 of China to be provided with magnet 16, the middle position for playing wave 13, Hua Si 14 and magnet 16, which is run through, T iron
15, magnetic screen shell 10 is fixedly installed on the outside of T iron 15, so as to which AC audio signal is changed into vibration signal.
In Fig. 3: damping device 3 includes the upper backup pad 17 for being fixedly installed in centering 22 bottom middle position of gasket, on
The lower surface middle position of support plate 17 is fixedly installed with connection frame 18, and the bottom of connection frame 18 is fixedly installed with push rod 20, pushes away
The bottom end of bar 20 is fixedly installed with spring 19, and the bottom end of spring 19 is fixedly installed with lower supporting plate 23, the upper table of lower supporting plate 23
Face is fixedly installed with spring retainer cylinder 21 close to the bottom position of spring 19, so as to mitigate internal components because of frequently vibration
Dynamic the case where will cause poor contact.
In Fig. 2: magnetic screen shell 10 is a kind of component of permalloy material, so as to effectively shield external electromagnetic
Interference of the wave to loudspeaker.
In Fig. 3: the number of components that push rod 20, spring 19 and spring retainer cylinder 21 form is at least three, and in lower branch
The upper surface of fagging 23 is distributed in a ring, so that damping effect is better.
In Fig. 1: the top edge position of frame 2 is fixedly installed with flanging 6, and flanging 6 is a kind of component of rubber material,
It thereby may be ensured that overall structure has more stability.
The working principle of the utility model is: when the utility model is used, when AC audio electric current passes through loudspeaker
When voice coil 12, corresponding magnetic field is generated in voice coil 12, the magnetic field of this magnetic field and the generation of magnet 16 generates interaction force, in
It is that this power just makes voice coil 12 in the magnetic field of magnet 16 as tone currents vibrates, and the vibration of voice coil 12 drives second
Vibration is passed to vibrating diaphragm 5 by lever 9 and the first mandril 4 by the vibration of mandril 11, so vibrating diaphragm 5 also vibrates, vibration is just
Sound identical with former audio signal waveform is produced, in speaker operation, damping device 3 passes through the elastic deformation of spring 19
Kinetic energy is absorbed and released to mitigate vibration, can not only be effectively controlled in the case that different vibration frequencies are quickly converted, reduce
It to the sonic impinging of vibrating diaphragm 5, prolongs its service life, is connect caused by can effectively mitigating internal components due to frequent vibration
Touch it is bad, and then influence loudspeaker tonequality the problem of.
It is above-described, the only preferable specific embodiment of the utility model, but the protection scope of the utility model is simultaneously
It is not limited to this, anyone skilled in the art within the technical scope disclosed by the utility model, according to this reality
It is subject to equivalent substitution or change with novel technical solution and its utility model design, should all covers the protection in the utility model
Within the scope of.
Claims (6)
1. a kind of ultrathin loudspeaker, including shell (1), which is characterized in that the side surface top of the shell (1) is fixedly installed with
The inner wall of frame (2), the frame (2) is fixedly installed with vibrating diaphragm (5) close to the position on top, and the bottom of the frame (2) is solid
Damping device has been bolted equipped with centering gasket (22), the lower surface middle position of centering gasket (22) in Dingan County
(3), vibrating diaphragm (5) the bottom middle position is fixedly installed with the first mandril (4), and the lower rotation of first mandril (4) connects
It is connected to lever (9), the middle position of the lever (9) is rotatably equipped with support rod (8), the fixed peace in support rod (8) bottom
One end of inner bottom surface loaded on shell (1), the lever (9) is rotatably connected to electro-acoustic conversion device (7), the electroacoustic converting means
Set position of the inner bottom surface close to support rod (8) that (7) bottom is fixedly installed in shell (1).
2. a kind of ultrathin loudspeaker according to claim 1, which is characterized in that the electro-acoustic conversion device (7) includes turning
Dynamic the second mandril (11) for being connected to lever (9) one end, the bottom of second mandril (11) is fixedly installed with voice coil (12), institute
The side surface for stating voice coil (12), which is fixedly installed with, plays wave (13), and Hua Si has been bolted in the bottom for playing wave (13)
(14), the lower surface of the Hua Si (14) is provided with magnet (16), the centre for playing wave (13), Hua Si (14) and magnet (16)
Position is fixedly installed with magnetic screen shell (10) on the outside of the T iron (15) through having T iron (15).
3. a kind of ultrathin loudspeaker according to claim 1, which is characterized in that the damping device (3) includes fixed peace
The lower surface middle position of upper backup pad (17) loaded on centering gasket (22) bottom middle position, the upper backup pad (17) is solid
Dingan County is equipped with connection frame (18), and the bottom of the connection frame (18) is fixedly installed with push rod (20), the bottom end of the push rod (20)
It is fixedly installed with spring (19), the bottom end of the spring (19) is fixedly installed with lower supporting plate (23), the lower supporting plate (23)
Upper surface be fixedly installed with spring retainer cylinder (21) close to the bottom position of spring (19).
4. a kind of ultrathin loudspeaker according to claim 2, which is characterized in that the magnetic screen shell (10) is a kind of slope
The not component of alloy material.
5. a kind of ultrathin loudspeaker according to claim 3, which is characterized in that the push rod (20), spring (19) and bullet
The number of components of spring position-limiting drum (21) composition is at least three, and is distributed in a ring in the upper surface of lower supporting plate (23).
6. a kind of ultrathin loudspeaker according to claim 1, which is characterized in that the top edge position of the frame (2)
It is fixedly installed with flanging (6), the flanging (6) is a kind of component of rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920340734.2U CN209488756U (en) | 2019-03-18 | 2019-03-18 | A kind of ultrathin loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920340734.2U CN209488756U (en) | 2019-03-18 | 2019-03-18 | A kind of ultrathin loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209488756U true CN209488756U (en) | 2019-10-11 |
Family
ID=68134511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920340734.2U Active CN209488756U (en) | 2019-03-18 | 2019-03-18 | A kind of ultrathin loudspeaker |
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| CN (1) | CN209488756U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113810824A (en) * | 2021-10-27 | 2021-12-17 | 安徽井利电子有限公司 | High-sensitivity loudspeaker for improving medium-high frequency |
-
2019
- 2019-03-18 CN CN201920340734.2U patent/CN209488756U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113810824A (en) * | 2021-10-27 | 2021-12-17 | 安徽井利电子有限公司 | High-sensitivity loudspeaker for improving medium-high frequency |
| CN113810824B (en) * | 2021-10-27 | 2023-04-28 | 安徽井利电子有限公司 | High sensitivity speaker for improving medium and high frequency |
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