CN215268719U

CN215268719U - Megaphone is used in high school's english education

Info

Publication number: CN215268719U
Application number: CN202121335508.9U
Authority: CN
Inventors: 魏宪强
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-12-21
Anticipated expiration: 2031-06-16

Abstract

The utility model discloses a megaphone for high school's english education, including organism, public address piece, dustproof mechanism and clean mechanism, fixedly connected with handle on the organism, public address piece fixed mounting is in the organism, dustproof mechanism installs in the organism for it enters into inside the organism to prevent public address in-process dust, clean mechanism installs on the organism for the dust on quick clean organism surface, this public address for english education, the downthehole dust that gets into easily of public address when having solved current public address for english education and using, be difficult to the abluent problem that leads to megaphone life to reduce easily simultaneously, the device simple operation can prevent that the dust from entering into inside the organism when the megaphone uses, has prolonged the life of organism, does not influence the normal use of megaphone simultaneously.

Description

Megaphone is used in high school's english education

Technical Field

The utility model relates to a megaphone technical field specifically is a megaphone for high school's english education.

Background

The loudspeaker was invented in 1950, is not limited to the loudspeaker at present, but as the name suggests, the loudspeaker amplifies the sound and transmits the sound farther, the sound penetrating power of the loudspeaker is stronger than that of the sound box, according to the using mode: can divide into wired megaphone and wireless megaphone, because of shape size, loudspeaker limit, the usage is different, and in current english teaching, the teacher often can use the less megaphone of volume to teach, hangs the megaphone between the waist usually, makes the both hands performance more free to liberation both hands carries out the blackboard writing or other teaching operations.

Having distributed a large amount of phonate holes on the present megaphone for high school's english education, having made a large amount of chalk dusts to scatter aloft when the teacher uses the chalk to write and use the blackboard eraser to fall into phonate downtheholely, lead to the surface of megaphone to receive the pollution easily, the inside of megaphone accumulates the dust easily simultaneously, influences the life of megaphone. Therefore, a loudspeaker for high school English education is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be convenient for prevent that the dust from getting into and be convenient for clear megaphone for high school's english education to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a megaphone for high school's english education, includes organism, public address piece, dustproof mechanism and clean mechanism, fixedly connected with handle on the organism, public address piece fixed mounting is in the organism, dustproof mechanism installs in the organism for it enters into the organism inside to prevent public address in-process dust, clean mechanism installs on the organism for the dust on quick clean organism surface, the device simple operation can prevent when the megaphone uses that the dust from entering into the organism inside, has prolonged the life of organism, does not influence the normal use of megaphone simultaneously.

Preferably, the dustproof mechanism comprises a dustproof net, the dustproof net is fixedly connected with the machine body, a plurality of sound amplifying holes are formed in the dustproof net, a movable plate is connected in the machine body in a sliding mode, a plurality of inserting blocks connected with the sound amplifying holes in a sliding mode are fixedly connected to the movable plate, a plurality of holes are formed in the movable plate, a blowing device used for preventing dust from entering the sound amplifying holes is arranged on the machine body, and the dust is prevented from entering the machine body conveniently.

Preferably, the blowing device comprises a motor fixedly installed in the machine body, the output end of the motor is fixedly connected with a driving shaft, the driving shaft is fixedly connected with fan blades, and a moving device which drives the movable plate to move is arranged on the driving shaft, so that the amount of dust entering the machine body is reduced through blowing.

Preferably, the moving device comprises a threaded block fixedly mounted on the driving shaft, the movable plate is fixedly connected with a connecting pipe, a threaded groove in threaded connection with the threaded block is formed in the connecting pipe, a rotating groove in rotating connection with the threaded block is formed in the connecting pipe, and the machine body is fixedly connected with a plurality of elastic pieces fixedly connected with the movable plate, so that the movable plate can be driven to move and reset.

Preferably, the elastic member is a spring, which is convenient for production.

Preferably, the cleaning mechanism comprises a magnet fixedly mounted on the side face of the machine body, the side face of the machine body is slidably connected with a cleaning brush which is slidably connected with the dustproof net, and the cleaning brush is fixedly connected with a magnetic metal sheet, so that the surface of the dustproof net can be rapidly cleaned.

Preferably, the movable plate is made of light materials and is convenient to move.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model solves the problems that the prior loudspeaker for English education in high school is easy to enter dust in the loudspeaker hole when in use, is difficult to clean and is easy to cause the reduction of the service life of the loudspeaker, the device is convenient to operate, can prevent the dust from entering the machine body when the loudspeaker is in use, prolongs the service life of the machine body, and does not influence the normal use of the loudspeaker;

2. the utility model is provided with the dustproof mechanism, which is convenient for preventing dust from entering the machine body in the using process of the loudspeaker and simultaneously does not influence the normal use of the loudspeaker;

3. the utility model discloses a set up clean mechanism, be convenient for clean the downthehole dust of megaphone surface public address fast, make the organism keep comparatively clear state, be convenient for maintain and use.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the dustproof mechanism of the present invention;

FIG. 3 is an enlarged view of area A of FIG. 2;

fig. 4 is a schematic structural view of the blowing device of the present invention;

fig. 5 is an enlarged view of the region B in fig. 4.

In the figure: 1-body; 2-a sound amplifying piece; 3-a handle; 4-a dust-proof mechanism; 5-a cleaning mechanism; 6-dust screen; 7-a sound expansion hole; 8-a movable plate; 9-a plug-in block; 10-opening a hole; 11-a blowing device; 12-a motor; 13-a drive shaft; 14-fan blades; 15-a mobile device; 16-a thread block; 17-a connecting tube; 18-thread groove; 19-a rotating groove; 20-an elastic member; 21-a magnet; 22-a cleaning brush; 23-magnetic metal sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-5, the loudspeaker for high school english education in the figures includes a body 1, a sound amplifying piece 2, a dust-proof mechanism 4 and a cleaning mechanism 5, the handle 3 is fixedly connected to the body 1, the sound amplifying piece 2 is fixedly installed in the body 1, the dust-proof mechanism 4 is installed in the body 1 and used for preventing dust from entering the body 1 during sound amplification, and the cleaning mechanism 5 is installed on the body 1 and used for rapidly cleaning dust on the surface of the body 1.

Dustproof mechanism 4 includes dust screen 6, dust screen 6 and 1 fixed connection of organism, a plurality of sound amplifying holes 7 have been seted up on the dust screen 6, sliding connection has fly leaf 8 in the organism 1, a plurality of and the 7 sliding connection's of sound amplifying holes grafting piece 9 of fixedly connected with on the fly leaf 8, a plurality of trompils 10 have been seted up on the fly leaf 8, be equipped with the blast apparatus 11 that is used for preventing the dust from getting into from sound amplifying holes 7 on the organism 1.

The blowing device 11 includes a motor 12 fixedly installed in the machine body 1, an output end of the motor 12 is fixedly connected with a driving shaft 13, the driving shaft 13 is fixedly connected with fan blades 14, and a moving device 15 for driving the movable plate 8 to move is arranged on the driving shaft 13.

In order to facilitate the movement of the movable plate 8, the movable plate 8 is made of a light material.

In this embodiment, the type of the motor 12 is preferably YYHS-40, when the speaker is turned on, the motor 12 is started, the motor 12 drives the driving shaft 13 and the fan blades 14 to rotate, while the driving shaft 13 drives the moving device 15 to pull the movable plate 8 to a position close to the fan blades 14, so that the insertion block 9 slides out of the sound amplifying hole 7, and the sound emitted by the sound amplifying piece 2 is transmitted out through the opening 10 and the sound amplifying hole 7, the obstruction is small, the sound amplifying effect is not influenced, meanwhile, the slow rotation of the fan blades 14 has little influence on sound, the slow fanning of the fan blades 14 can firstly dissipate heat and secondly prevent dust from entering the machine body 1 from the sound amplifying holes 7 to influence the service life of the loudspeaker, when the loudspeaker is stopped, the motor 12 rotates reversely to drive the moving device 15 to reset the movable plate 8, and the inserting block 9 is inserted into the sound expansion hole 7 to ensure the flatness of the outer surface of the dust screen 6.

Example 2

Referring to fig. 3-5 for describing embodiment 2, in this embodiment, as further described in embodiment 1, the moving device 15 shown in the figure includes a threaded block 16 fixedly installed on the driving shaft 13, a connecting pipe 17 is fixedly connected to the movable plate 8, a threaded groove 18 threadedly connected to the threaded block 16 is formed in the connecting pipe 17, a rotating groove 19 rotatably connected to the threaded block 16 is formed in the connecting pipe 17, and a plurality of elastic members 20 fixedly connected to the movable plate 8 are fixedly connected to the machine body 1.

In addition, the elastic member 20 is a spring for convenience of production.

In this embodiment, the motor 12 rotates to drive the driving shaft 13 to rotate, thereby driving the screw block 16 to rotate and enter the connecting pipe 17, and perform threaded connection with the screw groove 18, and drive the connecting pipe 17 and the movable plate 8 to move to one side of the fan blade 14, the elastic member 20 compresses, until the screw block 16 rotates to the rotating groove 19, at this time, the motor 12 continues to rotate and can not pull the movable plate 8 to one side of the fan blade 14 any more, so that the position of the movable plate 8 is maintained in a relatively stable state, thereby facilitating the use of the loudspeaker, when stopping the loudspeaker amplification, the motor 12 rotates reversely for one section, under the action of the elastic member 20, the screw block 16 slides into the screw groove 18, reversely drives the movable plate 8 to reset, and the plug-in block 9 is inserted into the loudspeaker hole 7.

Example 3

Referring to fig. 1-3 to describe embodiment 3, this embodiment further describes embodiment 2, and the illustration includes a body 1, a speaker 2, a dust-proof mechanism 4 and a cleaning mechanism 5, the handle 3 is fixedly connected to the body 1, the speaker 2 is fixedly mounted in the body 1, the dust-proof mechanism 4 is mounted in the body 1 for preventing dust from entering the body 1 during speaker, and the cleaning mechanism 5 is mounted on the body 1 for rapidly cleaning dust on the surface of the body 1.

The cleaning mechanism 5 comprises a magnet 21 fixedly mounted on the side surface of the machine body 1, a cleaning brush 22 slidably connected with the dustproof net 6 is slidably connected to the side surface of the machine body 1, and a magnetic metal sheet 23 is fixedly connected to the cleaning brush 22.

In this embodiment, when megaphone stop work, in the public address hole 7 was inserted to grafting piece 9, the dust brush on dust screen 6 surface can be fallen with the clean brush 22 that slides, has realized quick clear purpose, and magnet 21 and magnetic metal piece 23's setting can make things convenient for clean brush 22 to place and adsorb on organism 1 simultaneously, makes it more stable, is convenient for deposit.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A loudspeaker for high school english education, comprising:

the loudspeaker comprises a machine body (1) and a loudspeaker part (2), wherein a handle (3) is fixedly connected to the machine body (1), and the loudspeaker part (2) is fixedly arranged in the machine body (1);

the dustproof mechanism (4) is arranged in the machine body (1) and used for preventing dust from entering the machine body (1) in the sound amplifying process;

the cleaning mechanism (5) is arranged on the machine body (1) and used for rapidly cleaning dust on the surface of the machine body (1).

2. The loudspeaker of claim 1, wherein: dustproof mechanism (4) include dust screen (6), dust screen (6) and organism (1) fixed connection, a plurality of sound amplifying holes (7) have been seted up on dust screen (6), there is fly leaf (8) organism (1) sliding connection, a plurality of and sound amplifying hole (7) sliding connection's grafting piece (9) of fixedly connected with on fly leaf (8), a plurality of trompils (10) have been seted up on fly leaf (8), be equipped with on organism (1) and be used for preventing that the dust from fan blower (11) that sound amplifying hole (7) got into.

3. The loudspeaker of claim 2, wherein: the blowing device (11) comprises a motor (12) fixedly installed in the machine body (1), an output end of the motor (12) is fixedly connected with a driving shaft (13), fan blades (14) are fixedly connected to the driving shaft (13), and a moving device (15) which drives the movable plate (8) to move is arranged on the driving shaft (13).

4. The loudspeaker of claim 3, wherein: the mobile device (15) comprises a thread block (16) fixedly mounted on a driving shaft (13), a connecting pipe (17) is fixedly connected to the movable plate (8), a thread groove (18) in threaded connection with the thread block (16) is formed in the connecting pipe (17), a rotating groove (19) in rotating connection with the thread block (16) is formed in the connecting pipe (17), and a plurality of elastic pieces (20) fixedly connected with the movable plate (8) are fixedly connected to the machine body (1).

5. The loudspeaker of claim 4, wherein: the elastic piece (20) is a spring.

6. The loudspeaker of claim 1, wherein: cleaning mechanism (5) are including magnet (21) of fixed mounting in organism (1) side, organism (1) side sliding connection have with dust screen (6) sliding connection's cleaning brush (22), fixed connection has magnetic metal piece (23) on cleaning brush (22).

7. The loudspeaker of claim 2, wherein: the movable plate (8) is made of light materials.