CN112333575B

CN112333575B - Automatic dust shielding device of loudspeaker and implementation method thereof

Info

Publication number: CN112333575B
Application number: CN202011040004.4A
Authority: CN
Inventors: 江洪男
Original assignee: Anhui Jingli Electronics Co ltd
Current assignee: Anhui Jingli Electronics Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2022-09-27
Anticipated expiration: 2040-09-28
Also published as: CN112333575A

Abstract

The invention discloses an automatic dust shielding device of a loudspeaker and an implementation method thereof, belonging to the technical field of loudspeakers. According to the automatic dust shielding device for the loudspeaker and the implementation method thereof, when the loudspeaker is not used, the driving motor drives the screw rod to rotate reversely, the screw rod can drive the dust shielding cover to move downwards along the guide rail in the process of reverse rotation until the dust shielding cover shields the loudspeaker, the loudspeaker is automatically shielded by the dust shielding cover, automatic dust shielding can be carried out in the unused state of the loudspeaker by the automatic dust shielding mechanism, dust is effectively prevented from accumulating on the loudspeaker, and normal operation of the loudspeaker can be fully guaranteed.

Description

Automatic dust shielding device of loudspeaker and implementation method thereof

Technical Field

The invention relates to the technical field of speakers, in particular to an automatic dust shielding device of a speaker and an implementation method thereof.

Background

The speaker is also called a horn. It is a very common electroacoustic transducer, and can be found in electronic and electric equipment for producing sound. The loudspeaker is a transducer for converting an electric signal into an acoustic signal, and the performance of the loudspeaker has great influence on the sound quality. The loudspeaker is the weakest component in the audio equipment, and is the most important component for the audio effect. Loudspeakers are of a wide variety and vary widely in price. The audio frequency electric energy makes the paper cone or the diaphragm vibrate and generate resonance (resonance) with the surrounding air through electromagnetic, piezoelectric or electrostatic effect to make sound.

The loudspeaker adopted in the sound box is not provided with a corresponding dust shielding device, so that dust is easy to accumulate on the loudspeaker to influence the normal operation of the loudspeaker.

Disclosure of Invention

The invention aims to provide an automatic dust shielding device of a loudspeaker and an implementation method thereof, which can automatically shield dust under the condition that the loudspeaker is not used through an automatic dust shielding mechanism, effectively avoid dust from accumulating on the loudspeaker and fully ensure the normal operation of the loudspeaker so as to solve the problem that the normal operation of the loudspeaker is influenced by dust which is easily accumulated on the loudspeaker in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an automation of speaker hides grey device, includes the box, the just opposite lower extreme of box is provided with the speaker, the guide rail is all installed to the both sides of speaker, guide rail parallel mount is on the just opposite of box, install on the guide rail and hide grey mechanism automatically, hide grey mechanism automatically and shelter from the speaker and install on the box.

Further, automatic hide grey mechanism and include mount pad, driving motor, lead screw, slider and hide grey cover, the mount pad is installed on the box, installs driving motor on the mount pad, and driving motor's output shaft passes through the shaft coupling and installs the lead screw, and lead screw threaded connection has the slider, and the slider is installed in hiding grey cover, hides grey cover and installs on the guide rail and shelter from the speaker.

Furthermore, the slide block is provided with positioning rods which are arranged in parallel, the slide block is fixed on the dust cover through a limiting mechanism fixing positioning rod, and the limiting mechanism is arranged on the dust cover.

Further, stop gear includes fixed box, expanding spring, flexible guide post, connecting plate and gag lever post, and the fixed box is installed on covering the ash, and the inboard of fixed box is provided with the connecting plate, and the connecting plate passes through expanding spring and flexible guide post to be installed on the inner wall of fixed box, installs the gag lever post on the connecting plate, and the gag lever post is worn out the fixed box and is inserted in the locating lever.

Further, the guide holder is all installed at the both ends of connecting plate, and the guide holder is embedded on the inner wall of fixed case, and the guide way that supplies the guide holder translation is seted up to the inner wall of fixed case.

Furthermore, a pull handle is installed on the connecting plate, and the pull handle penetrates through the fixed box and extends to the outer side of the fixed box.

According to another aspect of the present invention, there is provided an implementation method of an automatic dust shielding apparatus for a speaker, including the steps of:

s1: when the loudspeaker needs to be used, the driving motor drives the screw rod to rotate, and the screw rod can drive the dust cover to move upwards along the guide rail in the rotating process until the dust cover does not shield the loudspeaker any more, and the loudspeaker normally operates at the moment;

s2: when the loudspeaker does not need to be used, the driving motor drives the screw rod to rotate reversely, the screw rod can drive the dust cover to move downwards along the guide rail in the process of reverse rotation until the dust cover shields the loudspeaker, and the loudspeaker is automatically shielded by the dust cover.

Compared with the prior art, the invention has the beneficial effects that:

according to the automatic dust shielding device of the loudspeaker and the implementation method thereof, when the loudspeaker needs to be used, the driving motor drives the screw rod to rotate, the screw rod can drive the dust shielding cover to move upwards along the guide rail in the rotation process until the dust shielding cover does not shield the loudspeaker any more, at the moment, the loudspeaker normally operates, when the loudspeaker does not need to be used, the driving motor drives the screw rod to reversely rotate, the screw rod can drive the dust shielding cover to move downwards along the guide rail in the reverse rotation process until the dust shielding cover shields the loudspeaker, the loudspeaker is automatically shielded by the dust shielding cover, automatic dust shielding can be carried out in the unused state of the loudspeaker by the automatic dust shielding mechanism, dust is effectively prevented from accumulating on the loudspeaker, and the normal operation of the loudspeaker can be fully guaranteed.

Drawings

Fig. 1 is a schematic view of the speaker sheltered by the automatic dust-sheltering mechanism of the present invention;

FIG. 2 is a schematic view of an unshielded speaker of the automatic dust shielding mechanism of the present invention;

FIG. 3 is a schematic view of an automatic dust shielding mechanism according to the present invention;

FIG. 4 is an exploded view of the automatic dust shielding mechanism of the present invention;

FIG. 5 is an enlarged view of the invention at A;

fig. 6 is a schematic cross-sectional view of the spacing mechanism of the present invention.

In the figure: 1. a box body; 2. a speaker; 3. a guide rail; 4. an automatic dust covering mechanism; 41. a mounting seat; 42. a drive motor; 43. a screw rod; 44. a slider; 441. positioning a rod; 45. a dust cover; 5. a limiting mechanism; 51. a fixed box; 52. a tension spring; 53. a telescopic guide post; 54. a connecting plate; 541. a guide seat; 542. pulling a handle; 55. a limiting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, an automatic dust shielding device for a speaker comprises a box body 1, a speaker 2 is arranged at the lower end of the right opposite surface of the box body 1, guide rails 3 are arranged on two sides of the speaker 2, the guide rails 3 are parallelly arranged on the right opposite surface of the box body 1, an automatic dust shielding mechanism 4 is arranged on the guide rails 3, the automatic dust shielding mechanism 4 shields the speaker 2 and is arranged on the box body 1, the automatic dust shielding mechanism 4 can automatically shield dust in a state that the speaker 2 is not used, dust accumulation on the speaker 2 is effectively avoided, and normal operation of the speaker 2 can be fully guaranteed.

Referring to fig. 3-4, the automatic dust-shielding mechanism 4 includes a mounting base 41, a driving motor 42, a lead screw 43, a slider 44 and a dust-shielding cover 45, the mounting base 41 is mounted on the cabinet 1, the driving motor 42 is mounted on the mounting base 41, the lead screw 43 is mounted on an output shaft of the driving motor 42 through a coupling, the lead screw 43 is in threaded connection with the slider 44, the slider 44 is mounted in the dust-shielding cover 45, the dust-shielding cover 45 is mounted on the guide rail 3 and shields the speaker 2, when the speaker 2 is required to be used, the driving motor 42 drives the lead screw 43 to rotate, the lead screw 43 can drive the dust-shielding cover 45 to move upwards along the guide rail 3 in the rotating process until the dust-shielding cover 45 no longer shields the speaker 2, at this time, the speaker 2 normally operates, when the speaker 2 is not required to be used, the driving motor 42 drives the lead screw 43 to rotate reversely, the lead screw 43 can drive the dust-shielding cover 45 to move downwards along the guide rail 3 in the reverse rotating process, until covering the grey cover 45 and sheltering from speaker 2, cover the grey automatically through covering grey cover 45 to speaker 2, can cover the grey automatically through covering grey mechanism 4 automatically under the state that speaker 2 does not use, effectively avoid the dust to gather on speaker 2, can fully guarantee the normal operating of speaker 2.

Referring to fig. 5-6, the positioning rod 441 is mounted on the sliding block 44 in parallel arrangement, the sliding block 44 is fixed on the dust-shielding cover 45 through the positioning rod 441 fixed by the positioning mechanism 5, the positioning mechanism 5 is mounted on the dust-shielding cover 45, the positioning mechanism 5 includes a fixed box 51, an extension spring 52, an extension guide post 53, a connecting plate 54 and a positioning rod 55, the fixed box 51 is mounted on the dust-shielding cover 45, the connecting plate 54 is disposed on the inner side of the fixed box 51, the connecting plate 54 is mounted on the inner wall of the fixed box 51 through the extension spring 52 and the extension guide post 53, the positioning rod 55 is mounted on the connecting plate 54, the positioning rod 55 penetrates out of the fixed box 51 and is inserted into the positioning rod 441, the guide seats 541 are mounted at both ends of the connecting plate 54, the guide seats 541 are embedded in the inner wall of the fixed box 51, the guide grooves for the guide seats 541 to translate are formed on the inner wall of the fixed box 51, the connecting plate 54 is mounted with the pull handle 542, the pull handle 542 penetrates through the fixed box 51 and extends to the outer side of the fixed box 51, the pull handle 542 drives the connecting plate 54 to move, the telescopic spring 52 and the telescopic guide post 53 are both contracted until the limiting rod 55 leaves the positioning rod 441 and does not shield the sliding block 44 any more, at the moment, the dust-shielding cover 45 can be taken down from the sliding block 44 to be cleaned, so that the dust-shielding cover 45 is convenient to disassemble and clean, after the dust-shielding cover 45 is cleaned, the pull handle 542 drives the connecting plate 54 to move through the pull handle 542, the telescopic spring 52 and the telescopic guide post 53 are both contracted until the limiting rod 55 enters the fixed box 51, the pull handle 542 is loosened after the dust-shielding cover 45 is installed on the sliding block 44, as the telescopic spring 52 and the telescopic guide post 53 are not stressed any more and due to the reset action of the telescopic spring 52, the telescopic spring 52 and the telescopic guide post 53 are both extended, the connecting plate 54 and the limiting rod 55 are further pushed to move, so that the limiting rod 55 penetrates out of the fixed box 51 to be inserted into the positioning rod 441, at the moment, the dust-shielding cover 45 is fixed on the sliding block 44 to shield the loudspeaker 2, dust is effectively prevented from accumulating on the loudspeaker 2, and normal operation of the loudspeaker 2 can be fully guaranteed.

In order to better show the implementation process of the automatic dust shielding device of the speaker, the embodiment now provides an implementation method of the automatic dust shielding device of the speaker, which includes the following steps:

s1: when the loudspeaker 2 needs to be used, the driving motor 42 drives the screw rod 43 to rotate, and the screw rod 43 can drive the dust cover 45 to move upwards along the guide rail 3 in the rotating process until the dust cover 45 does not cover the loudspeaker 2 any more, and the loudspeaker 2 normally operates at the moment;

s2: when the loudspeaker 2 is not needed to be used, the driving motor 42 drives the screw rod 43 to rotate reversely, the screw rod 43 can drive the dust cover 45 to move downwards along the guide rail 3 in the process of reverse rotation until the dust cover 45 covers the loudspeaker 2, and the loudspeaker 2 is automatically covered with dust through the dust cover 45.

In summary, according to the automatic dust shielding device for the speaker and the implementation method thereof of the present invention, when the speaker 2 needs to be used, the driving motor 42 drives the lead screw 43 to rotate, the lead screw 43 can drive the dust shielding cover 45 to move upwards along the guide rail 3 in the rotation process until the dust shielding cover 45 does not shield the speaker 2 any more, at this time, the speaker 2 normally operates, when the speaker 2 does not need to be used, the driving motor 42 drives the lead screw 43 to reversely rotate, the lead screw 43 can drive the dust shielding cover 45 to move downwards along the guide rail 3 in the reverse rotation process until the dust shielding cover 45 shields the speaker 2, the speaker 2 is automatically shielded by the dust shielding cover 45, the automatic dust shielding mechanism 4 can automatically shield dust when the speaker 2 is not used, dust is effectively prevented from being accumulated on the speaker 2, and the normal operation of the speaker 2 is fully guaranteed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. The automatic dust shielding device of the loudspeaker comprises a box body (1), and is characterized in that the loudspeaker (2) is arranged at the lower end of the right opposite surface of the box body (1), guide rails (3) are mounted on two sides of the loudspeaker (2), the guide rails (3) are mounted on the right opposite surface of the box body (1) in parallel, an automatic dust shielding mechanism (4) is mounted on the guide rails (3), and the automatic dust shielding mechanism (4) shields the loudspeaker (2) and is mounted on the box body (1);

automatic dust-shielding mechanism (4) includes mount pad (41), driving motor (42), lead screw (43), slider (44) and dust-shielding cover (45), mount pad (41) are installed on box (1), install driving motor (42) on mount pad (41), lead screw (43) are installed through the shaft coupling to the output shaft of driving motor (42), lead screw (43) threaded connection has slider (44), slider (44) are installed in dust-shielding cover (45), dust-shielding cover (45) are installed on guide rail (3) and are sheltered from speaker (2), install parallel arrangement's locating lever (441) on slider (44), slider (44) are fixed on dust-shielding cover (45) through stop gear (5) fixed locating lever (441), and stop gear (5) are installed on dust-shielding cover (45), stop gear (5) are including fixed case (51), expanding spring (52), The dust cover fixing device comprises a telescopic guide post (53), a connecting plate (54) and a limiting rod (55), wherein a fixing box (51) is installed on a dust cover (45), the connecting plate (54) is arranged on the inner side of the fixing box (51), the connecting plate (54) is installed on the inner wall of the fixing box (51) through a telescopic spring (52) and the telescopic guide post (53), the limiting rod (55) is installed on the connecting plate (54), and the limiting rod (55) penetrates out of the fixing box (51) and is inserted into a positioning rod (441).

2. The automatic dust shielding device of the speaker according to claim 1, wherein the two ends of the connecting plate (54) are respectively provided with a guide holder (541), the guide holders (541) are embedded in the inner wall of the fixed box (51), and the inner wall of the fixed box (51) is provided with a guide slot for the guide holders (541) to move in a horizontal direction.

3. The automatic dust shielding apparatus for a speaker according to claim 1, wherein a pull handle (542) is mounted on the connecting plate (54), and the pull handle (542) extends through the fixing box (51) to an outside of the fixing box (51).

4. A method for implementing an automatic shading device for a loudspeaker according to any one of claims 1 to 3, comprising the steps of:

s1: when the loudspeaker (2) needs to be used, the driving motor (42) drives the screw rod (43) to rotate, the screw rod (43) drives the dust cover (45) to move upwards along the guide rail (3) in the rotating process until the dust cover (45) does not cover the loudspeaker (2), and the loudspeaker (2) normally operates at the moment;

s2: when the loudspeaker (2) is not used, the driving motor (42) drives the screw rod (43) to rotate reversely, the screw rod (43) drives the dust cover (45) to move downwards along the guide rail (3) in the process of reverse rotation until the dust cover (45) covers the loudspeaker (2), and automatic dust shielding is carried out on the loudspeaker (2) through the dust cover (45).