CN210627527U

CN210627527U - Megaphone is used in english classroom teaching of being convenient for

Info

Publication number: CN210627527U
Application number: CN201920198184.5U
Authority: CN
Inventors: 邢慧慧
Original assignee: Hangzhou Jing Ding Intellectual Property Agency Co Ltd
Current assignee: Hangzhou Jing Ding Intellectual Property Agency Co Ltd
Priority date: 2019-02-15
Filing date: 2019-02-15
Publication date: 2020-05-26
Anticipated expiration: 2029-02-15

Abstract

The utility model discloses a convenient loudspeaker for English classroom teaching, which belongs to the field of teaching appliances and comprises a sound body, wherein a sound effect surrounding cavity is dug in the sound body, a sounder is arranged in the sound effect surrounding cavity, a dust screen is packaged at the outer side port of the sound surrounding cavity, a signal receiver is embedded in the top of the sound body, a fixed block is fixedly connected with the left end of the sound body, a transmission cavity is arranged in the fixed block, a fan-shaped groove is opened at the top of the transmission cavity, a drawing groove at the left end of the transmission cavity is dug at the left end of the fixed block, a pushing cylinder is connected in the drawing groove in a sliding way, a push rod is fixedly connected on the end face of the right end of the pushing cylinder, a cylinder tip is fixedly connected on the end face of the front end of the push rod, a swing rod is rotationally connected in the fan-shaped groove through a pin shaft, so that, and reduce the relatively poor possibility of english teaching audio.

Description

Megaphone is used in english classroom teaching of being convenient for

Technical Field

The utility model relates to a teaching aid field, more specifically say, relate to a megaphone is used in english classroom teaching of being convenient for.

Background

English is an international language, official languages of a plurality of countries in the world are English, people of most countries in the world speak English, for China, learning English well is beneficial to learning advanced culture of the west, advanced ideas and technologies, management modes and learning methods of the west are introduced, and foreign enterprises can be introduced; the experience of the user can be improved for the user, and the method has a better prospect and is convenient for the user to go out of the country. However, english listening teaching is also one of the most important teaching, its main quality that directly influences the student and communicate with the people afterwards, proficient english listening and speaking can increase the student to the enthusiasm of english and the application of various actual ability, english teaching megaphone that uses at present is the simple megaphone that adopts mr to carry or fixes the influence in the teacher, the megaphone of this kind of mode not only the volume is less but also encircle the effect relatively poor, to the english report that needs better tone quality, student's comprehension ability can be influenced deeply.

The prior art does not have fine solution to the adjustable fixed of megaphone, and traditional fixed mode is not only inconvenient but also volume and audio all receive the influence.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a megaphone is used in english classroom teaching of being convenient for, it can realize fixing on the wall anytime and anywhere, prevents that the volume is less and surround the effect relatively poor to reduce the relatively poor possibility of english teaching audio.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A loudspeaker convenient for English classroom teaching comprises a sound body, wherein a sound effect surrounding cavity is dug in the sound body, a sounder is arranged in the sound effect surrounding cavity, a dustproof net is packaged at the end opening of the outer side of the sound cavity, a signal receiver is embedded in the top of the sound body, a fixed block is fixedly connected to the left end of the sound body, a transmission cavity is arranged in the fixed block, a fan-shaped groove is formed in the top of the transmission cavity, a drawing groove is chiseled at the left end of the transmission cavity at the left end of the fixed block, a pushing cylinder is connected in the drawing groove in a sliding mode, a push rod is fixedly connected to the end face of the right end of the pushing cylinder, a cylinder is slightly connected to the end face of the front end of the push rod, a swing rod is rotatably connected to the fan-shaped groove through a pin shaft, the bottom of the swing rod extends into the transmission cavity and is provided with a sliding rail which is slidably connected, fixedly connected with bobbin case on the fixed block left end terminal surface, bobbin case left end fixedly connected with rubber suction cup can realize fixing on the wall anytime and anywhere, prevents that the volume is less and the effect is relatively poor around to reduce the relatively poor possibility of english teaching audio.

Furthermore, the dust screen is made of nano materials, so that dust generated by static electricity can be effectively prevented from entering the interior of the dust screen, and cleaning is avoided.

Furthermore, the center of the rubber sucker is provided with an expansion belt close to the end of the fixing block and abutted to the pushing cylinder, and the area of the end part of the pushing cylinder can cover 80% of the area of the expansion belt, so that air in the rubber sucker can be effectively removed, and the adhesive force is increased.

Furthermore, the sound body and the fixed block are made of PE plastic, so that the weight of the device is reduced, and the device is convenient to carry.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme can realize fixing on the wall anytime and anywhere, prevents that the volume is less and encircle the effect relatively poor to reduce the relatively poor possibility of english teaching audio.

(2) The adopted dust screen is made of nano materials, so that dust generated by static electricity can be effectively prevented from entering the interior of the dust screen, and cleaning is avoided.

(3) The center of the adopted rubber sucker is provided with an expansion belt close to the end of the fixing block and is abutted against the pushing cylinder, the area of the end part of the pushing cylinder can cover 80% of the area of the expansion belt, and the air in the rubber sucker can be effectively removed to increase the adhesive force.

(4) The adoption all designs the stereo set body and fixed block for PE plastics, reduces device weight portable.

Drawings

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

The reference numbers in the figures illustrate:

the sound equipment comprises a sound body 1, a sound effect surrounding cavity 2, a sound generator 3, a dust screen 4, a signal receiver 5, a fan-shaped groove 6, a pin shaft 7, a swing rod 8, a drawing groove 9, a cylinder shell 10, a pushing and pressing cylinder 11, a rubber suction cup 12, a fixed block 13, a push rod 14, a slide rail 15, a transmission cavity 16, a cylinder tip 17 and a swing rod 18.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1, a loudspeaker convenient for english classroom teaching comprises a sound body 1, a sound surrounding cavity 2 is drilled in the sound body 1, a sounder 3 is arranged in the sound surrounding cavity 2, a dust screen 4 is packaged at an outer side end opening of the sound surrounding cavity 2, a signal receiver 5 is embedded in the top of the sound body 1, a fixed block 13 is fixedly connected to the left end of the sound body 1, a transmission cavity 16 is arranged in the fixed block 13, a sector groove 6 is opened at the top of the transmission cavity 16, a drawing groove 9 drilled at the left end of the transmission cavity 16 is opened at the left end of the fixed block 13, a pushing cylinder 11 is slidably connected in the drawing groove 9, a push rod 14 is fixedly connected to the end face of the right end of the pushing cylinder 11, a cylinder tip 17 is fixedly connected to the end face of the push rod 14, a swing rod 8 is rotatably connected to the inside of the sector groove 6 through a pin 7, the bottom of the swing rod 8, the top of the swing rod 8 extends to the outside of the fan-shaped groove 6, the head 18 is held between the fingers by a fixedly connected with hand, the fixedly connected with barrel shell 10 is arranged on the left end face of the fixed block 13, the left end fixedly connected with rubber suction cup 12 of the barrel shell 10 can be fixed on the wall surface anytime and anywhere, the situation that the volume is small and the surrounding effect is poor is prevented, and the possibility of poor English teaching sound effect is reduced.

The dust screen 4 is made of nano materials, so that dust generated by static electricity can be effectively prevented from entering the interior of the dust screen, and cleaning is avoided; an expansion band is arranged at the end, close to the fixing block 13, of the center of the rubber sucker 12 and is abutted against the pushing cylinder 11, the area of the end part of the pushing cylinder 11 can cover 80% of the area of the expansion band, and air in the rubber sucker 12 can be effectively removed to increase the adhesive force; the sound body 1 and the fixed block 13 are made of PE plastic, so that the weight of the device is reduced, and the device is convenient to carry.

The user only needs to press the device wholly on the wall when using, make rubber suction cup 12 adsorb on the wall, then the hand is held between the fingers the head 18 and is moved the swinging arms 8 and rotate, make and bulldoze cylinder 11 roll-off drawing groove 9 and push away the inflation area of rubber suction cup 12 and get rid of the air and firmly hang, the quantity of this device can suitably cooperate for 2 or all above all, can effectively promote volume and audio, can realize fixing on the wall anytime and anywhere, prevent that the volume is less and encircle the effect relatively poor, and reduce the relatively poor possibility of english teaching audio.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a be convenient for megaphone is used in english classroom teaching, includes stereo set body (1), its characterized in that: the sound box is characterized in that a sound effect surrounding cavity (2) is formed in the sound box body (1), a sound generator (3) is arranged in the sound effect surrounding cavity (2), the sound box surrounding cavity (2) is packaged with a dust screen (4) at an outer side end opening, a signal receiver (5) is embedded in the top of the sound box body (1), a fixed block (13) is fixedly connected to the left end of the sound box body (1), a transmission cavity (16) is arranged inside the fixed block (13), a sector groove (6) is formed in the top of the transmission cavity (16), a drawing groove (9) formed in the left end of the transmission cavity (16) is formed in the left end of the fixed block (13), a pushing cylinder (11) is connected to the drawing groove (9) in a sliding mode, a push rod (14) is fixedly connected to the end face of the right end of the pushing cylinder (11), a cylinder (17) is fixedly connected to the front end face of the push rod (14), and a swing rod, pendulum rod (8) bottom stretch into in transmission chamber (16) and open have with cylinder slightly (17) sliding connection's slide rail (15), pendulum rod (8) top extends to head (18) is held between the fingers to the outer and fixedly connected with hand of fan-shaped groove (6), fixedly connected with bobbin case (10) on fixed block (13) left end terminal surface, bobbin case (10) left end fixedly connected with rubber suction cup (12).

2. The loudspeaker convenient for english classroom teaching of claim 1, wherein: the dust screen (4) is made of nano materials, and dust generated by static electricity can be effectively prevented from entering the interior.

3. The loudspeaker convenient for english classroom teaching of claim 1, wherein: an expansion belt is arranged at the end, close to the fixing block (13), of the center of the rubber sucker (12) and is abutted against the pushing cylinder (11), and the area of the end part of the pushing cylinder (11) can cover 80% of the area of the expansion belt.

4. The loudspeaker convenient for english classroom teaching of claim 1, wherein: the sound body (1) and the fixed block (13) are made of PE plastic.