CN218734967U

CN218734967U - Portable megaphone is used in teaching

Info

Publication number: CN218734967U
Application number: CN202222290744.4U
Authority: CN
Inventors: 张丽娜; 陈颖; 吕天春
Original assignee: Changchun Vocational Institute of Technology
Current assignee: Changchun Vocational Institute of Technology
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-03-24
Anticipated expiration: 2032-08-30

Abstract

The utility model relates to a teaching aid technical field, and a portable megaphone is used in teaching is disclosed, including the megaphone body, one side fixedly connected with A connecting block of megaphone body, one side fixedly connected with pull ring of A connecting block, the middle part fixedly connected with A bandage of megaphone body one side, the middle part fixedly connected with B bandage of megaphone body opposite side, the surface of megaphone body articulates through the hinge has the shield megaphone body top to have seted up the earphone hole, the inside grafting of earphone hole has connecting plug, connecting plug one end fixedly connected with connecting wire, the other end fixedly connected with microphone of connecting wire. This portable megaphone is used in teaching through the setting of shield, plays protection and dustproof effect to the megaphone body, can press from both sides the microphone in collar department through the setting of centre gripping subassembly, can play fine radio reception effect and can reduce the burden of ear centre gripping again, can play the effect of preventing losing through the setting of pull ring and centre gripping subassembly.

Description

Portable megaphone is used in teaching

Technical Field

The utility model relates to a teaching aid technical field specifically is a portable megaphone is used in teaching.

Background

English teaching refers to the process of teaching english to persons whose english language is or is not the first language. English teaching relates to many professional theoretical knowledge, including linguistics, second language acquisition, glossaries, sentence syntactics, literature, corpus theory, cognitive psychology, etc. English teaching is a progressive process, no matter to the english be or not the people of first language, english study is all vital today in globalization rapid development, if still pay attention to english teaching now, some equipment that can improve teaching efficiency are used for the classroom of english teaching more.

The utility model discloses a portable megaphone is used in teaching disclosed in chinese utility model patent application laid-open specification CN206713066U, though, in this utility model, at first the shell is made for metal material, higher intensity has, and be the rectangle structure, length is 20cm, the width is 10cm, make this megaphone compact structure, the volume is on the small side, it is convenient to carry ten minutes, and have certain anti collision ability that prevents falling, secondly through the bandeau for having certain elastic deformable structure, and add rubber wrap, it is more comfortable to take the headset, the fixed head is the convex structure of glasses formula, make to pair the more stability of headset.

However, the portable loudspeaker for teaching has the following defects (1) that dust is accumulated when the loudspeaker is not used by a dustproof device and is idle, so that the use effect and the service life are influenced; (2) And the headset occupies a relatively large space when placed after use, and is easy to lose and damage.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a portable megaphone is used in teaching has solved the megaphone that provides in the above-mentioned background art and has not had dust keeper to use the back can lead to the accumulational influence result in of dust when idle, and the headset is worn for a long time and can lead to the ear uncomfortable, increases the problem of tired sense.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a portable megaphone is used in teaching, includes the megaphone body, one side fixedly connected with A connecting block of megaphone body, one side fixedly connected with pull ring of A connecting block, the middle part fixedly connected with A bandage of megaphone body one side, the middle part fixedly connected with B bandage of megaphone body opposite side, there is the shield on the surface of megaphone body through hinge joint there is the earphone hole at megaphone body top, the downthehole portion of earphone is pegged graft and is had connecting plug, connecting plug one end fixedly connected with connecting wire, the other end fixedly connected with microphone of connecting wire.

Optionally, one end of the surface of the microphone is fixedly connected with a fixed base, and the surface of the fixed base is fixedly connected with a fixed ring.

Optionally, the surface fixing of the fixing ring is connected with a connecting block B, and the surface fixing of the connecting block B is connected with a clamping assembly.

Optionally, the centre gripping subassembly includes A splint, spring and B splint, the one end fixed connection of spring is in the one side of A splint, the other end fixed connection of spring is in the one side of B splint.

Optionally, one end fixedly connected with belt head subassembly of A bandage, the belt head subassembly includes belt loop, gag lever post, the rotation is connected with the gag lever post in the middle of the belt loop.

Optionally, a blowout prevention microphone protection head is fixedly connected to the top of one side of the microphone, and a sound receiving hole is formed in the surface of the blowout prevention microphone protection head.

(III) advantageous effects

The utility model provides a portable megaphone is used in teaching possesses following beneficial effect:

1. this portable megaphone is used in teaching through the setting of shield, plays protection and dustproof effect to the megaphone body, can prevent effectively after the use that the dust from dropping into the megaphone body inside, influence life, effectively prevented because long-term use dust is piled up the life that influences the public address effect and has increased the megaphone body.

2. This portable megaphone is used in teaching can press from both sides the microphone in collar department through the setting of centre gripping subassembly, can play fine radio reception effect and can reduce the burden of ear centre gripping again, can play the effect of preventing losing on the pull ring of centre gripping on the megaphone body after using through the setting of pull ring and centre gripping subassembly.

Drawings

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

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic structural diagram of the present invention.

In the figure: 1. a loudspeaker body; 2. a, connecting a block; 3. a pull ring; 4. a, binding a belt; 5. b, binding a belt; 6. a dust cover; 7. a connecting plug; 8. a connecting wire; 9. a microphone; 10. a fixed base; 11. a fixing ring; 12. b, connecting a block; 13. a clamping assembly; 1301. a, clamping a plate; 1302. a spring; 1303. b, clamping the plate; 14. a belt head assembly; 1401. a belt loop; 1402. a limiting rod; 15. prevent spouting wheat protection head.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. 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.

Referring to fig. 1 to 3, the present invention provides a technical solution: a portable loudspeaker for teaching comprises a loudspeaker body 1, wherein one side of the loudspeaker body 1 is fixedly connected with an A connecting block 2, one side of the A connecting block 2 is fixedly connected with a pull ring 3, the middle part of one side of the loudspeaker body 1 is fixedly connected with an A binding band 4, the middle part of the other side of the loudspeaker body 1 is fixedly connected with a B binding band 5, the surface of the loudspeaker body 1 is hinged with a dustproof cover 6 through a hinge, the loudspeaker body 1 is protected and dustproof through the arrangement of the dustproof cover 6, dust can be effectively prevented from falling into the loudspeaker body 1 after the portable loudspeaker is used, the service life is influenced, the service life of the loudspeaker body 1 is effectively prevented from being prolonged due to the influence of the accumulation of the dust for a long time, an earphone hole is formed in the top of the loudspeaker body 1, a connecting plug 7 is inserted into the earphone hole, one end of the connecting plug 7 is fixedly connected with a connecting wire 8, and the other end of the connecting wire 8 is fixedly connected with a microphone 9;

one end of the surface of the microphone 9 is fixedly connected with a fixed base 10, the surface of the fixed base 10 is fixedly connected with a fixed ring 11, and the effect of fixing the fixed ring 11 at one end of the surface of the microphone 9 is achieved through the arrangement of the fixed base 10 and the fixed ring 11;

the surface of the fixing ring 11 is fixedly connected with a B connecting block 12, the surface of the B connecting block 12 is fixedly connected with a clamping component 13, and the clamping component 13 can be fixedly connected to the surface of the fixing ring 11 through the arrangement of the B connecting block 12 and the clamping component 13;

the clamping assembly 13 can clamp the microphone 9 at the collar through the arrangement of the clamping assembly 13, so that a good sound receiving effect can be achieved, and the burden of clamping ears can be reduced, the clamping assembly 13 comprises an A clamping plate 1301, a spring 1302 and a B clamping plate 1303, and the clamping assembly 13 can clamp the collar through the arrangement of the A clamping plate 1301, the spring 1302 and the B clamping plate 1303;

one end of the A bandage 4 is fixedly connected with a belt head assembly 14, the belt head assembly 14 comprises a belt ring 1401 and a limiting rod 1402, the limiting rod 1402 is rotatably connected in the middle of the belt ring 1401, and the A bandage 4 and the belt head assembly 14 can be arranged to adjust the size according to the waistline;

a blowout prevention microphone protection head 15 is fixedly connected to one side of the surface of the microphone 9, a sound receiving hole is formed in the surface of the blowout prevention microphone protection head 15, and the blowout prevention microphone protection head 15 with the sound receiving hole in the surface is arranged to play a role in clearly receiving sound and preventing microphone blowout.

The utility model discloses in, the device's working procedure as follows:

1. when in use, the dustproof cover 6 hinged on the surface of the loudspeaker body 1 is opened, and the connecting plug 7 is inserted into the earphone hole;

2. when the portable microphone is used, the clamping component 13 fixed on the pull ring 3 on the loudspeaker body 1 is taken down, the clamping component 13 is hung at the collar, and the microphone 9 close to the neckline can play a better sound receiving effect;

3. when in use, the bandage A4 at one side of the loudspeaker body 1 and the bandage B5 at the other side of the loudspeaker body 1 are tied between the waist, and the tightness degree is adjusted according to the waist size by adjusting the belt head assembly 14;

4. after the microphone is used, the clamping component 13 is clamped on the pull ring 3 on the loudspeaker body 1, so that the microphone 9 which is conveniently stored and fixedly connected to the clamping component 13 is not easy to lose, and the dustproof cover 6 is hinged on the loudspeaker body 1 through a hinge to play a dustproof role;

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. The utility model provides a portable megaphone is used in teaching, includes megaphone body (1), its characterized in that: the earphone is characterized in that the connecting block A (2) is fixedly connected with one side of the loudspeaker body (1), the pull ring (3) is fixedly connected with one side of the connecting block A (2), the binding band A (4) is fixedly connected with the middle of one side of the loudspeaker body (1), the binding band B (5) is fixedly connected with the middle of the other side of the loudspeaker body (1), a dust cover (6) is hinged to the surface of the loudspeaker body (1) through a hinge, an earphone hole is formed in the top of the loudspeaker body (1), a connecting plug (7) is inserted into the earphone hole, one end of the connecting plug (7) is fixedly connected with a connecting wire (8), and the other end of the connecting wire (8) is fixedly connected with a microphone (9).

2. A portable teaching loudspeaker as claimed in claim 1, wherein: one end fixedly connected with unable adjustment base (10) on microphone (9) surface, the fixed surface of unable adjustment base (10) is connected with solid fixed ring (11).

3. A portable teaching loudspeaker according to claim 2, wherein: the fixed surface of solid fixed ring (11) is connected with B connecting block (12), the fixed surface of B connecting block (12) is connected with centre gripping subassembly (13).

4. A portable teaching loudspeaker as claimed in claim 3, wherein: the clamping assembly (13) comprises an A clamping plate (1301), a spring (1302) and a B clamping plate (1303), one end of the spring (1302) is fixedly connected to one side of the A clamping plate (1301), and the other end of the spring (1302) is fixedly connected to one side of the B clamping plate (1303).

5. A portable teaching loudspeaker according to claim 1, wherein: one end fixedly connected with belt head subassembly (14) of A bandage (4), belt head subassembly (14) include belt ring (1401), gag lever post (1402), belt ring (1401) middle part is rotated and is connected with gag lever post (1402).

6. A portable teaching loudspeaker as claimed in claim 1, wherein: one side of the surface of the microphone (9) is fixedly connected with a blowout prevention microphone protection head (15), and a net-shaped sound receiving hole is formed in the surface of the blowout prevention microphone protection head (15).