CN209267813U - A kind of dust-proof loudspeaker of multimedia loudspeaker box - Google Patents
A kind of dust-proof loudspeaker of multimedia loudspeaker box Download PDFInfo
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- CN209267813U CN209267813U CN201920340240.4U CN201920340240U CN209267813U CN 209267813 U CN209267813 U CN 209267813U CN 201920340240 U CN201920340240 U CN 201920340240U CN 209267813 U CN209267813 U CN 209267813U
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- China
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- frame
- loudspeaker
- dust
- fixedly installed
- vibrating diaphragm
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Abstract
The utility model discloses a kind of dust-proof loudspeakers of multimedia loudspeaker box, it is related to electro-acoustic transducer device field, including T iron, one end of the T iron is provided with protruding column, the outside of protruding column, which is run through, is equipped with magnet, the upper end of the magnet is provided with Hua Si, the side surface marginal position of the Hua Si is run through by screw thread is connected with fastening bolt, China's stone crosses fastening bolt and is fixedly connected with frame, the bottom end of the frame is fixedly installed with bullet wave, the upper surface for playing wave, which is run through, is equipped with voice coil, the upper end of the voice coil is fixedly installed with vibrating diaphragm, the upper end of the vibrating diaphragm is fixedly installed in the inner wall of frame, the inner bottom surface of the vibrating diaphragm is fixedly installed with dust cover, the upper end of the frame is fixedly installed with flanging.The utility model can effectively avoid loudspeaker from being stained with too many dust by the way that dust cover is arranged inside vibrating diaphragm, and then improve the performance of loudspeaker, and the sound quality of external electromagnetic influences loudspeaker can be effectively prevented by being electromagnetically shielded rear cover.
Description
Technical field
The utility model relates to electro-acoustic transducer device technical field, the dust-proof loudspeaker of specifically a kind of multimedia loudspeaker box.
Background technique
Loudspeaker is a kind of energy transducer for electric signal being changed into acoustical signal, the shadow of the performance superiority and inferiority of loudspeaker to sound quality
Sound is very big.Audio electric energy is made its cone or diaphragm vibration and is generated altogether with the air of surrounding by electromagnetism, piezoelectricity or electrostatic effect
It shakes (sympathetic response) and makes a sound.Loudspeaker is a most weak device in stereo set, and for acoustics, it
It is a most important component again.Loudspeaker it is many kinds of, and price differs greatly, and there are many type of loudspeaker, by it
Transduction principle can be divided into electrodynamic type (i.e. moving-coil type), electrostatic (i.e. condenser type), electromagnetic type (i.e. reed), piezoelectric type (i.e. crystalline substance
Body formula) etc. it is several, latter two is chiefly used in rural wired broadcast network；Woofer, intermediate frequency loudspeaking can be divided by frequency range
Device, tweeter, these are often used in speaker as combination loudspeaker.
It will affect the performance of loudspeaker when speckling with too many dust in loudspeaker, and there are anti-dust performances for current loudspeaker
Difference, and vulnerable to external electromagnetic influences, so that the shortcomings that both poor sound quality, therefore need to research and develop a kind of dust-proof loudspeaking of good dustproof effect
Device, therefore, those skilled in the art provide a kind of dust-proof loudspeaker of multimedia loudspeaker box, to solve to mention in above-mentioned background technique
Out the problem of.
Summary of the invention
The purpose of this utility model is to provide a kind of dust-proof loudspeakers of multimedia loudspeaker box, to solve above-mentioned background technique
That there are structures is single for the current loudspeaker of middle proposition, anti-dust performance is poor, and loudspeaker becomes sound quality vulnerable to external electromagnetic influences
The problem of disadvantage of difference.
To achieve the above object, the utility model provides the following technical solutions:
A kind of multimedia loudspeaker box dust-proof loudspeaker, including T iron, one end of the T iron are provided with protruding column, protrusion circle
The outside of column is through magnet is equipped with, and one end of the magnet is provided with Hua Si, and the side surface marginal position of the Hua Si passes through
For screw thread through being connected with fastening bolt, one end of the Hua Si is fixedly connected with frame by fastening bolt, and the one of the frame
End is fixedly installed with bullet wave, and through voice coil is equipped with, the inside of the voice coil is fixed to pacify in the middle position of the inside for playing wave
Equipped with vibrating diaphragm, one end of the vibrating diaphragm is fixedly installed in the inner wall of frame, and the inner bottom surface of the vibrating diaphragm is fixedly installed with dust cover,
One end marginal position of the frame is fixedly installed with flanging.
As a further solution of the present invention: the frame includes being fixed on this magnificent upper surface side by fastening bolt
The frame ontology of edge position, the inner bottom surface middle position of the frame ontology are provided through through-hole, the frame ontology it is interior
Close to marginal position through bolt locking hole is begun with, the medial surface of the frame ontology, which is provided with, plays wave mounting groove, institute for bottom surface
The quantity for stating bolt locking hole is several, and is uniformly distributed setting in a ring in the inner bottom surface marginal position of frame ontology.
The lower end of the voice coil is socketed on T iron upper surface protruding column as a further solution of the present invention,
Side surface, and one to two centimetre of gap is provided between voice coil and the protruding column of T iron one end.
The medial surface of the frame ontology leans on the top of short round wave mounting groove as a further solution of the present invention,
Through thermovent is offered, the quantity of the thermovent is three, and is uniformly divided in a ring in the medial surface of frame ontology for position
Cloth opens up.
Electromagnetic screen is fixedly installed on the outside of the tapered surface of the frame ontology as a further solution of the present invention,
Rear cover is covered, the electromagnetic shielding rear cover is a kind of component of iron-nickel alloy material.
The vibrating diaphragm is a kind of cone-shaped component of paper material as a further solution of the present invention,.
Compared with prior art, the utility model has the beneficial effects that
The utility model can effectively avoid loudspeaker from being stained with too many dust, in turn by the way that dust cover is arranged inside vibrating diaphragm
Improve loudspeaker performance, in addition, the utility model make loudspeaker each component combine it is more reasonable, overall structure is more steady
Fixed, the electromagnetic shielding rear cover of the utility model is the component of iron-nickel alloy, can effectively shield external electromagnetic, prevent external electromagnetic
Influence the sound quality of loudspeaker, the side surface of the frame of the utility model offers thermovent, can be to speaker operation during
Heat production effectively evacuated, guarantee the normal work of loudspeaker.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the dust-proof loudspeaker of multimedia loudspeaker box；
Fig. 2 is a kind of mounting structure schematic diagram of the dust-proof loudspeaker of multimedia loudspeaker box；
Fig. 3 is a kind of structural schematic diagram of multimedia loudspeaker box frame in dust-proof loudspeaker.
In figure: 1, T iron；2, magnet；3, voice coil；4, frame；5, vibrating diaphragm；6, flanging；7, dust cover；8, wave is played；9, Hua Si；
10, fastening bolt；11, it is electromagnetically shielded rear cover；12, frame ontology；13, wave mounting groove is played；14, through-hole；15, thermovent；16, spiral shell
Bolt-lock tieholen.
Specific embodiment
Please refer to Fig. 1~3, in the utility model embodiment, a kind of dust-proof loudspeaker of multimedia loudspeaker box, including T iron 1, T
One end of iron 1 is provided with protruding column, the outside of protruding column through being equipped with magnet 2, one end of magnet 2 be provided with China this 9,
For this magnificent 9 side surface marginal position by screw thread through fastening bolt 10 is connected with, one end of Hua Si 9 is solid by fastening bolt 10
Surely it is connected with frame 4, one end of frame 4, which is fixedly installed with, plays wave 8, and the middle position for playing the inside of wave 8, which is run through, is equipped with voice coil
3, the inside of voice coil 3 is fixedly installed with vibrating diaphragm 5, and one end of vibrating diaphragm 5 is fixedly installed in the inner wall of frame 4, and the inner bottom surface of vibrating diaphragm 5 is solid
Dingan County is equipped with dust cover 7, and one end marginal position of frame 4 is fixedly installed with flanging 6.
In Fig. 3: frame 4 includes the frame ontology 12 that this magnificent 9 top surface edge position is fixed on by fastening bolt 10,
The inner bottom surface middle position of frame ontology 12 is provided through through-hole 14, and the inner bottom surface of frame ontology 12 runs through close to marginal position
Bolt locking hole 16 is begun with, the medial surface of frame ontology 12, which is provided with, plays wave mounting groove 13, and the quantity of bolt locking hole 16 is
Several, and it is uniformly distributed setting in a ring in the inner bottom surface marginal position of frame ontology 12, it thereby may be ensured that overall structure
Connective stability.
In Fig. 2: the lower end of voice coil 3 is socketed on the side surface of 1 upper surface protruding column of T iron, voice coil 3 and 1 one end of T iron
One to two centimetre of gap is provided between protruding column, so as to drive voice coil 3 to shake by the electromagnetic action of magnet 2.
In Fig. 3: the medial surface of frame ontology 12 runs through by the top position of short round wave mounting groove 13 offers thermovent
15, the quantity of thermovent 15 is three, and is uniformly distributed and opens up in a ring in the medial surface of frame ontology 12, so as to raising
The heat that sound device generates at work radiates, and guarantees the normal work of loudspeaker.
In Fig. 2: being fixedly installed with electromagnetic shielding rear cover 11 on the outside of the tapered surface of frame ontology 12, be electromagnetically shielded rear cover 11
For a kind of component of iron-nickel alloy material, so as to avoid external electromagnetic influences loudspeaker tonequality.
In Fig. 1: vibrating diaphragm 5 is that a kind of cone-shaped component of paper material possesses while lower so as to cost of implementation
The high performance of phonation efficiency.
The working principle of the utility model is: when the utility model is used, working as AC audio to power speakers first
When electric current passes through the voice coil 3 of loudspeaker, corresponding magnetic field is generated in voice coil 3, this magnetic field generates phase with the magnetic field that magnet 2 generates
Interreaction force, then, this power just make voice coil 3 in the magnetic field of magnet 2 as tone currents vibrates, and the vibration of loudspeaker
Film 5 is fixedly connected with voice coil 3, so vibrating diaphragm 5 also vibrates, vibration just produces identical with former audio signal waveform
Sound, the utility model can effectively avoid loudspeaker from being stained with too many dust, thus shadow by the way that dust cover 7 is arranged inside vibrating diaphragm 5
Speaker performance is rung, the electromagnetic shielding rear cover 11 of the utility model is the component of iron-nickel alloy, external electromagnetic can be effectively shielded,
The sound quality of external electromagnetic influences loudspeaker is prevented, the side surface of the frame 4 of the utility model offers thermovent 15, can be to raising
Heat production in the sound device course of work is effectively evacuated, and guarantees the normal work of loudspeaker.
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 dust-proof loudspeaker of multimedia loudspeaker box, including T iron (1), which is characterized in that one end of the T iron (1) is provided with
Protruding column, through being equipped with magnet (2), one end of the magnet (2) is provided with Hua Si (9), described in the outside of protruding column
By screw thread through being connected with fastening bolt (10), one end of the Hua Si (9) passes through tight the side surface marginal position of Hua Si (9)
Fixing bolt (10) is fixedly connected with frame (4), and one end of the frame (4), which is fixedly installed with, plays wave (8), bullet wave (8)
The middle position of inside is fixedly installed with vibrating diaphragm (5), the vibrating diaphragm on the inside of the voice coil (3) through being equipped with voice coil (3)
(5) one end is fixedly installed in the inner wall of frame (4), and the inner bottom surface of the vibrating diaphragm (5) is fixedly installed with dust cover (7), described
One end marginal position of frame (4) is fixedly installed with flanging (6).
2. a kind of dust-proof loudspeaker of multimedia loudspeaker box according to claim 1, which is characterized in that frame (4) packet
Include the frame ontology (12) that Hua Si (9) top surface edge position is fixed on by fastening bolt (10), the frame ontology (12)
Inner bottom surface middle position be provided through through-hole (14), the inner bottom surface of the frame ontology (12) is close to marginal position through opening
Beginning has bolt locking hole (16), and the medial surface of the frame ontology (12), which is provided with, plays wave mounting groove (13), the bolt locking
The quantity in hole (16) is several, and is uniformly distributed setting in a ring in the inner bottom surface marginal position of frame ontology (12).
3. a kind of dust-proof loudspeaker of multimedia loudspeaker box according to claim 1, which is characterized in that the voice coil (3)
Lower end is socketed on the side surface of T iron (1) upper surface protruding column, and sets between voice coil (3) and the protruding column of T iron (1) one end
It is equipped with one to two centimetre of gap.
4. a kind of dust-proof loudspeaker of multimedia loudspeaker box according to claim 2, which is characterized in that the frame ontology
(12) medial surface runs through by the top position of short round wave mounting groove (13) to be offered thermovent (15), the thermovent (15)
Quantity is three, and is uniformly distributed and opens up in a ring in the medial surface of frame ontology (12).
5. a kind of dust-proof loudspeaker of multimedia loudspeaker box according to claim 1, which is characterized in that the frame ontology
(12) electromagnetic shielding rear cover (11) is fixedly installed on the outside of tapered surface, the electromagnetic shielding rear cover (11) is a kind of iron-nickel alloy
The component of material.
6. a kind of dust-proof loudspeaker of multimedia loudspeaker box according to claim 1, which is characterized in that the vibrating diaphragm (5) is
A kind of cone-shaped component of paper material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920340240.4U CN209267813U (en) | 2019-03-18 | 2019-03-18 | A kind of dust-proof loudspeaker of multimedia loudspeaker box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920340240.4U CN209267813U (en) | 2019-03-18 | 2019-03-18 | A kind of dust-proof loudspeaker of multimedia loudspeaker box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209267813U true CN209267813U (en) | 2019-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201920340240.4U Active CN209267813U (en) | 2019-03-18 | 2019-03-18 | A kind of dust-proof loudspeaker of multimedia loudspeaker box |
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| CN (1) | CN209267813U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111212366A (en) * | 2020-01-14 | 2020-05-29 | 嵊州兴声电子有限公司 | Dustproof loudspeaker |
-
2019
- 2019-03-18 CN CN201920340240.4U patent/CN209267813U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111212366A (en) * | 2020-01-14 | 2020-05-29 | 嵊州兴声电子有限公司 | Dustproof loudspeaker |
| CN111212366B (en) * | 2020-01-14 | 2021-06-01 | 嵊州兴声电子有限公司 | Dustproof loudspeaker |
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