CN206759693U - A kind of dust-proof audio amplifier - Google Patents

A kind of dust-proof audio amplifier Download PDF

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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
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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
Application number
CN201720473192.7U
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Chinese (zh)
Inventor
杨旦群
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Individual
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Individual
Priority date (The priority date 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 date listed.)
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Publication date
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Priority to CN201720473192.7U priority Critical patent/CN206759693U/en
Application granted granted Critical
Publication of CN206759693U publication Critical patent/CN206759693U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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

A kind of dust-proof audio amplifier
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).
CN201720473192.7U 2017-05-02 2017-05-02 A kind of dust-proof audio amplifier Expired - Fee Related CN206759693U (en)

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

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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)

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CN (1) CN206759693U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
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

Cited By (5)

* Cited by examiner, † Cited by third party
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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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