CN206759693U - A kind of dust-proof audio amplifier - Google Patents
A kind of dust-proof audio amplifier Download PDFInfo
- Publication number
- CN206759693U CN206759693U CN201720473192.7U CN201720473192U CN206759693U CN 206759693 U CN206759693 U CN 206759693U CN 201720473192 U CN201720473192 U CN 201720473192U CN 206759693 U CN206759693 U CN 206759693U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- dust
- audio amplifier
- casing
- frequency band
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of dust-proof audio amplifier, including casing, the casing is provided with full frequency band loudspeaker, fixed plate has been fixedly connected with left and right sides of the casing, and two fixed plates are located at the both sides of full frequency band loudspeaker, the fixed plate is provided with chute, and slide plate is slidably connected in chute, dust excluding plate is fixedly connected between the slide plate, the lower end of the dust excluding plate is fixedly connected with pull bar, pulling buckle is fixedly connected with the pull bar, end face of the slide plate away from pull bar one end is provided with gap, spring is fixedly connected with the side wall of the gap, one end of the spring is fixedly connected with push pedal.The utility model effectively avoids the audio amplifier dust of full frequency band loudspeaker contamination when not in use, so as to indirectly protecting full frequency band loudspeaker clean, the tonequality of full frequency band loudspeaker during so as to also ensure that audio amplifier uses for a long time.
Description
Technical field
It the utility model is related to a kind of audio amplifier, more particularly to a kind of dust-proof audio amplifier.
Background technology
Audio amplifier is the extremely important part of sound system, because it is responsible for and electric signal is transformed into acoustical signal supplies people
Ear directly listen to so mission critical, the sense of hearing that it will be directly with people is come into contacts with, and the sense of hearing of people is very sensitive
, and there is very strong resolving ability to the tone color of complex sound, but existing audio amplifier full frequency band loudspeaker when not in use
It is constantly exposed in air, is so easy for making the dust in air to fall on full frequency band loudspeaker, is accumulated on full frequency band loudspeaker
Dust can influence the tonequality of full frequency band loudspeaker.
Therefore, it is proposed that carry out a kind of dust-proof audio amplifier to solve the above problems.
Utility model content
The purpose of this utility model is and a kind of dust-proof audio amplifier proposed in order to solve shortcoming present in prior art.
To achieve these goals, the utility model employs following technical scheme:
A kind of dust-proof audio amplifier, including casing, the casing are provided with full frequency band loudspeaker, fixed at left and right sides of the casing
Fixed plate is connected with, and two fixed plates are located at the both sides of full frequency band loudspeaker, the fixed plate is provided with chute, and is slided in chute
Slide plate is connected with, dust excluding plate is fixedly connected between the slide plate, the lower end of the dust excluding plate is fixedly connected with pull bar, the drawing
It is fixedly connected with pulling buckle on bar, end face of the slide plate away from pull bar one end is provided with gap, fixed in the side wall of the gap to connect
Spring is connected to, one end of the spring is fixedly connected with push pedal, and push pedal extends to the outer of casing through the through hole in fixed plate
Side, the push pedal are fixedly connected with locating piece in the side side wall away from spring, and multiple for locating piece appearance in the side wall of chute
The locating slot received;The bottom surface of the dust excluding plate is provided with guide roller, and guide roller is located at intersecting for casing upper surface and front end face
Place, the casing is provided with the holding tank accommodated for guide roller, rotary shaft is rotatably connected in the side wall of the holding tank, described
Rotary shaft is fixedly connected with guide roller.
Preferably, the tapered setting in the one end of the locating piece away from push pedal.
Preferably, tumbler is fixedly connected with the side wall of the holding tank, rotation is rotatably connected on the tumbler
Axle.
Preferably, the push pedal is evenly equipped with the projection of sawtooth pattern through the surface of through hole in fixed plate.
Preferably, the tiny tooth that turns, and the table of the bottom surface of dust excluding plate and guide roller are evenly equipped with the surface of the guide roller
Face is in contact.
Compared with prior art, the beneficial effects of the utility model are:It is real toward drop-down pulling buckle by enforcing push pedal
Dust excluding plate is showed just to move down, when dust excluding plate covers full frequency band loudspeaker completely, has been effectively protected dust and descends slowly and lightly in full range
Section loudspeaker, when audio amplifier to be used, push-and-pull button in phase makes dust excluding plate be located at the upside of full frequency band loudspeaker, and this device is effective
The audio amplifier dust of full frequency band loudspeaker contamination when not in use is avoided, so as to indirectly protect full frequency band loudspeaker clean, so as to also protect
The tonequality of full frequency band loudspeaker when audio amplifier uses for a long time is demonstrate,proved.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of dust-proof audio amplifier positive structure diagram.
Fig. 2 is the partial enlarged drawing at A in Fig. 1.
Fig. 3 be the utility model proposes a kind of dust-proof audio amplifier front view.
Fig. 4 be the utility model proposes a kind of dust-proof audio amplifier overlooking the structure diagram.
In figure:1 casing, 2 full frequency band loudspeaker, 3 fixed plates, 4 chutes, 5 slide plates, 6 dust excluding plates, 7 pull bars, 8 pulling buckles, 9 gap,
10 springs, 11 push pedals, 12 locating pieces, 13 locating slots, 14 guide rollers, 15 holding tanks, 16 rotary shafts.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.
Reference picture 1-4, a kind of dust-proof audio amplifier, including casing 1, casing 1 are provided with full frequency band loudspeaker 2, the left and right sides of casing 1
Fixed plate 3 is fixedly connected with, and two fixed plates 3 are located at the both sides of full frequency band loudspeaker 2.
Fixed plate 3 is provided with chute 4, and slide plate 5 is slidably connected in chute 4, and dust excluding plate 6 is fixedly connected between slide plate 5,
The lower end of dust excluding plate 6 is fixedly connected with pull bar 7, and pulling buckle 8, end face of the slide plate 5 away from the one end of pull bar 7 are fixedly connected with pull bar 7
Provided with gap 9, spring 10 is fixedly connected with the side wall of gap 9, one end of spring 10 is fixedly connected with push pedal 11, further
To say, push pedal 11 is evenly equipped with the projection of sawtooth pattern through the surface of through hole in fixed plate 3, increases the frictional force on the surface of push pedal 11, and
Push pedal 11 extends to the outside of casing 1 through the through hole in fixed plate 3, fixed in side side wall of the push pedal 11 away from spring 10 to connect
Locating piece 12 is connected to, and specifically, locating piece 12 is remote for multiple locating slots 13 accommodated for locating piece 12 in the side wall of chute 4
The tapered setting in one end of push pedal 11, it is easy to locating piece 12 to enter in locating slot 13.
The bottom surface of dust excluding plate 6 is provided with guide roller 14, specifically, tiny turn is evenly equipped with the surface of guide roller 14
Tooth, and the bottom surface of dust excluding plate 6 is in contact with the surface of guide roller 14, increases between the surface of dust excluding plate 6 and the surface of guide roller 14
Frictional force, and guide roller 14 is located at the infall of the upper surface of casing 1 and front end face, casing 1 is provided with what is accommodated for guide roller 14
Holding tank 15, rotary shaft 16 is rotatably connected in the side wall of holding tank 15, rotary shaft 16 is fixedly connected with guide roller 14, specifically
Say, tumbler is fixedly connected with the side wall of holding tank 15, rotary shaft 16 is rotatably connected on tumbler.
In the utility model, push pedal 11 is enforced, toward drop-down pulling buckle 8, dust excluding plate 6 just moves down, when dust excluding plate 6 is complete
When covering full frequency band loudspeaker 2 entirely, it is effectively protected dust and descends slowly and lightly in full frequency band loudspeaker 2, when audio amplifier to be used, push-and-pull in phase
Button 8, makes dust excluding plate 6 be located at the upside of full frequency band loudspeaker 2.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (5)
1. a kind of dust-proof audio amplifier, including casing (1), the casing (1) is provided with full frequency band loudspeaker (2), it is characterised in that described
Fixed plate (3) has been fixedly connected with left and right sides of casing (1), and two fixed plates (3) are located at the both sides of full frequency band loudspeaker (2),
The fixed plate (3) is provided with chute (4), and slidably connects slide plate (5) in chute (4), is fixedly connected between the slide plate (5)
There is dust excluding plate (6), the lower end of the dust excluding plate (6) is fixedly connected with pull bar (7), pulling buckle is fixedly connected with the pull bar (7)
(8), end face of the slide plate (5) away from pull bar (7) one end is provided with gap (9), is fixedly connected with the side wall of the gap (9)
Spring (10), one end of the spring (10) is fixedly connected with push pedal (11), and push pedal (11) passes through the through hole in fixed plate (3)
The outside of casing (1) is extended to, the push pedal (11) is fixedly connected with locating piece (12) in the side side wall away from spring (10),
And multiple locating slots (13) accommodated for locating piece (12) in the side wall of chute (4);The bottom surface of the dust excluding plate (6) is provided with and led
To roller (14), and guide roller (14) is located at the infall of casing (1) upper surface and front end face, and the casing (1) is provided with for leading
To the holding tank (15) of roller (14) receiving, rotary shaft (16), the rotation are rotatably connected in the side wall of the holding tank (15)
Axle (16) is fixedly connected with guide roller (14).
2. a kind of dust-proof audio amplifier according to claim 1, it is characterised in that the remote push pedal (11) of the locating piece (12)
The tapered setting in one end.
3. a kind of dust-proof audio amplifier according to claim 1, it is characterised in that fixed in the side wall of the holding tank (15) to connect
Tumbler is connected to, rotary shaft (16) is rotatably connected on the tumbler.
4. a kind of dust-proof audio amplifier according to claim 1, it is characterised in that the push pedal (11) is passed through in fixed plate (3)
The surface of through hole is evenly equipped with the projection of sawtooth pattern.
5. a kind of dust-proof audio amplifier according to claim 1, it is characterised in that be evenly equipped with the surface of the guide roller (14)
Tiny turns tooth, and the bottom surface of dust excluding plate (6) is in contact with the surface of guide roller (14).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720473192.7U CN206759693U (en) | 2017-05-02 | 2017-05-02 | A kind of dust-proof audio amplifier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720473192.7U CN206759693U (en) | 2017-05-02 | 2017-05-02 | A kind of dust-proof audio amplifier |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206759693U true CN206759693U (en) | 2017-12-15 |
Family
ID=60616364
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720473192.7U Expired - Fee Related CN206759693U (en) | 2017-05-02 | 2017-05-02 | A kind of dust-proof audio amplifier |
Country Status (1)
Country | Link |
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CN (1) | CN206759693U (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108429991A (en) * | 2018-05-15 | 2018-08-21 | 马鞍山安慧智电子科技有限公司 | It is a kind of can anti-magnetic disturbance electronic audio |
CN108449667A (en) * | 2018-05-29 | 2018-08-24 | 谢玲俊 | A kind of intelligence high in the clouds domestic acoustics |
CN108769844A (en) * | 2018-05-29 | 2018-11-06 | 谢玲俊 | Method for reducing indoor sound noise |
CN108811386A (en) * | 2018-06-14 | 2018-11-13 | 滨州学院 | A kind of music apparatus for alleviating mental symptoms |
CN109618534A (en) * | 2018-12-24 | 2019-04-12 | 广州市奥视电子有限公司 | A kind of highly-safe cable television simulated optical fiber amplifier equipment |
-
2017
- 2017-05-02 CN CN201720473192.7U patent/CN206759693U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108429991A (en) * | 2018-05-15 | 2018-08-21 | 马鞍山安慧智电子科技有限公司 | It is a kind of can anti-magnetic disturbance electronic audio |
CN108449667A (en) * | 2018-05-29 | 2018-08-24 | 谢玲俊 | A kind of intelligence high in the clouds domestic acoustics |
CN108769844A (en) * | 2018-05-29 | 2018-11-06 | 谢玲俊 | Method for reducing indoor sound noise |
CN108811386A (en) * | 2018-06-14 | 2018-11-13 | 滨州学院 | A kind of music apparatus for alleviating mental symptoms |
CN109618534A (en) * | 2018-12-24 | 2019-04-12 | 广州市奥视电子有限公司 | A kind of highly-safe cable television simulated optical fiber amplifier equipment |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 Termination date: 20180502 |
|
CF01 | Termination of patent right due to non-payment of annual fee |