CN220234946U

CN220234946U - Noise reduction loudspeaker

Info

Publication number: CN220234946U
Application number: CN202321725995.9U
Authority: CN
Inventors: 吴晓辉
Original assignee: Zhongcheng Electric Technology Tianjin Co ltd
Current assignee: Zhongcheng Electric Technology Tianjin Co ltd
Priority date: 2023-07-03
Filing date: 2023-07-03
Publication date: 2023-12-22
Anticipated expiration: 2033-07-03

Abstract

The utility model discloses a noise reduction loudspeaker, which belongs to the technical field of loudspeakers and comprises a loudspeaker body, wherein the rear end of the loudspeaker body is fixedly connected with a protective cover, two groups of symmetrical dustproof wind windows are fixedly inlaid on the outer surface of the protective cover, the front end of the loudspeaker body is fixedly connected with a loudspeaker tube, the loudspeaker tube is funnel-shaped, the arranged protective cover, the dustproof wind windows, the loudspeaker tube, an annular groove, an installation groove, a filter screen frame, a dust screen and a sound-filtering cotton layer can prevent dust from polluting a magnet ring part of the loudspeaker body through the protective cover and the dustproof wind windows, the filter screen frame, the dust screen and the sound-filtering cotton layer can prevent dust from accumulating on the vibrating membrane of the loudspeaker body, the cleanness of the vibrating membrane and the magnet ring part of the loudspeaker body is effectively maintained, the clarity of the loudspeaker body is realized, and the effective noise reduction protection treatment of the loudspeaker body is facilitated.

Description

Noise reduction loudspeaker

Technical Field

The utility model belongs to the technical field of speakers, and particularly relates to a noise reduction speaker.

Background

The loudspeaker is commonly called as a loudspeaker, is a transducer for converting an electric signal into an acoustic signal, is a very common electroacoustic transducer, can be seen in electronic and electric equipment for sounding, has great influence on sound quality due to the performance of the loudspeaker, is the weakest device in sound equipment, is the most important component for sound effect, has various types and has great price, and the cone or diaphragm of the loudspeaker vibrates and resonates (resonates) with surrounding air to make sound due to electromagnetic, piezoelectric or electrostatic effects.

At present, when a traditional loudspeaker is used for a long time, external dust is easy to adhere to a magnet ring of the loudspeaker, so that the magnet ring is polluted, and a large amount of dust is adhered and accumulated on a vibrating diaphragm of the loudspeaker, so that the loudspeaker cannot clearly sound and is easy to generate noise when being used, and the loudspeaker cannot achieve an expected sounding effect, and therefore, for solving the problems, the noise-reducing loudspeaker is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a noise reduction loudspeaker, which solves the technical problems that when the traditional loudspeaker is used for a long time, external dust is easy to adhere to a magnet ring of the loudspeaker to cause pollution of the magnet ring, and a large amount of dust is adhered and accumulated on a vibrating membrane of the loudspeaker, so that the loudspeaker cannot clearly sound and is easy to generate noise when being used, and the loudspeaker cannot achieve the expected sound effect.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a speaker of making an uproar falls, includes the speaker body, the rear end fixedly connected with protection casing of speaker body, the surface mounting of protection casing has inlayed two sets of symmetrical dustproof wind windows, the front end fixedly connected with megaphone of speaker body, megaphone is the funnel type, the ring channel has been seted up to the front end of megaphone, two sets of mounting groove have been seted up to the inner wall of ring channel, two sets of filter screen frame is installed through two sets of first mounting screw to the inner wall of mounting groove, the inner wall fixedly connected with dust filter of filter screen frame, the front end threaded connection of megaphone has the honeycomb panel, the inside of megaphone is equipped with the cotton layer of sound filter, the cotton layer of sound filter is located the rear of dust filter screen.

As the preferable technical scheme of the utility model, the outer surface of the loudspeaker body is fixedly connected with two groups of mounting lugs, and the number of the mounting lugs is at least four.

As a preferable technical scheme of the utility model, the front surface of the honeycomb plate is fixedly connected with a group of rotating handles, and the number of the rotating handles is two.

As the preferable technical scheme of the utility model, the back of the filter screen frame is fixedly connected with two groups of jacking columns, and the rear ends of the jacking columns are contacted with the front surface of the sound-filtering cotton layer.

As the preferable technical scheme of the utility model, the back of the protective cover is fixedly connected with a maintenance cover through two groups of second mounting screws, and the maintenance cover is positioned in the middle of the protective cover.

As a preferable technical scheme of the utility model, the back of the protective cover is fixedly connected with a group of holding handles, and the number of the holding handles is at least two.

The utility model provides a noise reduction loudspeaker, which has the following beneficial effects:

according to the utility model, through the arranged protective cover, the dustproof wind window, the sound amplifying cylinder, the annular groove, the mounting groove, the filter screen frame, the dust filtering net and the sound filtering cotton layer, the magnet ring part of the loudspeaker body can be protected from dust through the protective cover and the dustproof wind window, so that the pollution of dust to the magnet ring is avoided, the vibration film of the loudspeaker body can be protected from dust through the filter screen frame, the dust filtering net and the sound filtering cotton layer, dust is prevented from accumulating on the vibration film, the cleanness of the vibration film and the magnet ring part of the loudspeaker body is effectively maintained, the clear pronunciation of the loudspeaker body is realized, and the effective noise reduction protection treatment of the loudspeaker body is facilitated.

Drawings

Fig. 1 is a schematic overall perspective view of a noise reduction speaker according to the present utility model;

fig. 2 is a rear view of a shield for a noise reduction speaker of the present utility model;

fig. 3 is a cross-sectional view of a front view of a sound-reducing speaker of the present utility model;

fig. 4 is a cross-sectional view of a side view of a sound amplifying tube of a noise reducing speaker of the present utility model.

In the figure: 1. a speaker body; 2. a protective cover; 3. a dust-proof louver; 4. a mounting ear; 5. a sound amplifying cylinder; 6. a rotating handle; 7. a honeycomb panel; 8. a second mounting screw; 9. a maintenance cover; 10. a grip; 11. a mounting groove; 12. a dust filtering net; 13. a filter screen frame; 14. an annular groove; 15. a first mounting screw; 16. a sound filtering cotton layer; 17. and (5) supporting the column.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a speaker of making an uproar falls, including speaker body 1, the rear end fixedly connected with protection casing 2 of speaker body 1, the surface mounting of protection casing 2 is inlayed and is had dustproof window 3 of two sets of symmetries, the front end fixedly connected with megaphone 5 of speaker body 1, megaphone 5 is funnel type, ring channel 14 has been seted up to the front end of megaphone 5, two sets of mounting groove 11 have been seted up to the inner wall of ring channel 14, filter screen frame 13 is installed through two sets of first mounting screw 15 to the inner wall of two sets of mounting groove 11, filter screen frame 13's inner wall fixedly connected with dust screen 12, the front end threaded connection of megaphone 5 has honeycomb panel 7, the inside of megaphone 5 is equipped with the cotton layer 16 of filter tone, the cotton layer 16 of filter tone is located the rear of dust screen 12.

Wherein, the surface fixedly connected with of speaker body 1 two sets of installation ear 4, the quantity of installation ear 4 is four at least, can install fixedly speaker body 1 through installation ear 4, and speaker body 1 of being convenient for uses stably.

Wherein, the front fixedly connected with of honeycomb panel 7 rotates handle 6 a set of, rotates the quantity of handle 6 and is two, rotates the honeycomb panel 7 that the handle 6 can be convenient through setting up, the installation of the honeycomb panel 7 of being convenient for.

The back of the filter screen frame 13 is fixedly connected with two groups of supporting columns 17, the rear ends of the supporting columns 17 are contacted with the front surface of the filter cotton layer 16, the filter cotton layer 16 can be extruded and supported by the supporting columns 17, and the stability of the filter cotton layer 16 is improved.

Wherein, the back of protection casing 2 is through two sets of second mounting screw 8 fixedly connected with maintenance lid 9, and the middle part of maintenance lid 9 position protection casing 2, maintenance lid 9 of opening that can be convenient is convenient for maintain work to speaker body 1.

Wherein, the back fixedly connected with of protection casing 2 grips 10 a set of, grips 10 quantity at least and is two, and the installation work of the speaker body 1 of being convenient for through gripping the protection casing 2 of holding 10 and can conveniently take.

Specific use and action of the embodiment:

when the loudspeaker is used, the protective cover 2 is fixed at the rear part of the loudspeaker body 1, the maintenance cover 9 is mounted at the rear part of the protective cover 2 through the second mounting screw 8, the magnet ring part of the loudspeaker body 1 is protected against dust, the filter cotton layer 16 is clamped into the loudspeaker 5, the filter screen frame 13 and the dust screen 12 are mounted in the loudspeaker 5 through the first mounting screw 15, the honeycomb plate 7 is mounted at the front end of the loudspeaker 5 through the rotating handle 6 in a threaded manner, the vibration film of the loudspeaker body 1 is protected against dust through the filter screen frame 13 and the dust screen 12, the loudspeaker body 1 is assembled, the protective cover 2 and the loudspeaker body 1 are lifted up by holding the holding handle 10, and the loudspeaker is mounted and fixed through the mounting lug 4, so that the loudspeaker body 1 is used.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A noise reduction speaker, characterized by: including speaker body (1), the rear end fixedly connected with protection casing (2) of speaker body (1), the surface mounting of protection casing (2) is inlayed and is had dustproof window (3) of two sets of symmetries, the front end fixedly connected with megaphone (5) of speaker body (1), megaphone (5) are funnel type, ring channel (14) have been seted up to the front end of megaphone (5), two sets of mounting groove (11) have been seted up to the inner wall of ring channel (14), two sets of filter screen frame (13) are installed through two sets of first mounting screw (15) to the inner wall of mounting groove (11), the inner wall fixedly connected with dust screen (12) of filter screen frame (13), the front end threaded connection of megaphone (5) has honeycomb panel (7), the inside of megaphone (5) is equipped with sound cotton layer (16), sound cotton layer (16) are located the rear of dust screen (12).

2. A noise reduction speaker as defined in claim 1, wherein: the loudspeaker is characterized in that two groups of mounting lugs (4) are fixedly connected to the outer surface of the loudspeaker body (1), and the number of the mounting lugs (4) is at least four.

3. A noise reduction speaker as defined in claim 1, wherein: the front of the honeycomb plate (7) is fixedly connected with a group of rotating handles (6), and the number of the rotating handles (6) is two.

4. A noise reduction speaker as defined in claim 1, wherein: the back of the filter screen frame (13) is fixedly connected with two groups of jacking columns (17), and the rear ends of the jacking columns (17) are contacted with the front surface of the filter cotton layer (16).

5. A noise reduction speaker as defined in claim 1, wherein: the back of protection casing (2) is through two sets of second mounting screw (8) fixedly connected with maintenance lid (9), the middle part of maintenance lid (9) position protection casing (2).

6. A noise reduction speaker as defined in claim 1, wherein: the back of the protective cover (2) is fixedly connected with a group of holding handles (10), and the number of the holding handles (10) is at least two.