CN217770364U

CN217770364U - Megaphone is used in teaching

Info

Publication number: CN217770364U
Application number: CN202221752426.9U
Authority: CN
Inventors: 马琳丽
Original assignee: Fuyang Industrial Economy School
Current assignee: Fuyang Industrial Economy School
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2022-11-08
Anticipated expiration: 2032-07-07

Abstract

The utility model discloses a megaphone is used in teaching, belong to megaphone technical field, the back of megaphone body is equipped with the lug, the side of lug is equipped with the draw-in groove, it has the fixture block to peg graft the inner wall of draw-in groove, the fixed surface of fixture block is connected with the clamping piece, the connecting block of the side fixedly connected with symmetry of megaphone body, the one end rotation of connecting block is connected with the anticreep piece, this megaphone is used in teaching is through the plug bush and the anticreep cover of the protrusion megaphone body that sets up, can fasten the plug's of microphone setting the grafting position through the threaded mode, the spacing function of anticreep has, the electric connection stability of microphone has been guaranteed, and the solid fixed ring and the detachable clamping piece that can free rotation that set up, the mr of being convenient for is according to the actual need, fix the megaphone in the waist or carry on the back side to one side through the clamping piece, great improvement the convenience of carrying of megaphone.

Description

Megaphone is used in teaching

Technical Field

The utility model relates to a megaphone technical field, more specifically say, relate to a megaphone is used in teaching.

Background

The megaphone can amplify teacher's sound, the difficult tired of teacher's voice has been protected, and the student of being convenient for can both clearly hear teacher's explanation, the megaphone is used in chinese teaching like that bulletin number CN213751433U discloses, but this megaphone is pegged graft with the microphone plug through the jack that sets up, in the use, probably lead to the plug not hard up because of teacher's limbs activity, the electric connection stability of microphone has been reduced, and this megaphone can only be fixed on user's body through the mode of binding, probably different height sizes, different sexes' teacher, and the different clothing that the teacher daily worn, all carry the megaphone through the mode of binding, there may be certain inconvenience, for this reason, we have designed a megaphone for teaching, solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Problem to exist among the prior art, an object of the utility model is to provide a megaphone is used in teaching, this megaphone is used in teaching is through plug bush and the anticreep cover of the salient megaphone body that sets up, can fasten the grafting position of the plug that the microphone set up through the mode of screw thread, the spacing function of anticreep has, the electric connection stability of microphone has been guaranteed, and the solid fixed ring and the detachable clamping piece that can freely rotate that set up, the mr of being convenient for is according to actual need, fix the megaphone at the waist between or the back of the body is in the waist side to one side through the bandage, press from both sides the megaphone on the waistband through the clamping piece, great improvement the convenience of carrying of megaphone.

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

The utility model provides a teaching is with megaphone, includes the megaphone body, the back of megaphone body is equipped with the lug, the side of lug is equipped with the draw-in groove, the inner wall of draw-in groove is pegged graft and is had the fixture block, the fixed surface of fixture block is connected with the clamping piece, the connecting block of the side fixedly connected with symmetry of megaphone body, the one end of connecting block is rotated and is connected with the anticreep piece, the one end fixedly connected with plug bush of megaphone body, the one end of plug bush is pegged graft and is had the plug, the other end of plug is connected with the microphone through the wire electricity, there is the anticreep cover on the surface of plug bush through threaded connection, the one end of anticreep cover is equipped with the anticreep groove, the inner wall in anticreep groove is connected with the surface contact of plug, and this teaching is with megaphone through the plug bush and the anticreep cover of the convex megaphone body that sets up, can fasten the plug position of microphone setting through the screw thread mode, has spacing function, has guaranteed the electric connection stability of microphone to the solid fixed ring and detachable clamping piece that can freely rotate that set up, be convenient for carrying teacher's through waist side, carry megaphone on the waist.

Furthermore, the one end of connecting block is equipped with the spread groove, the inner wall of spread groove is connected with the surface contact of anticreep piece, the cross sectional shape of anticreep piece is T shape, the surface of anticreep piece is opened has the hole that radially runs through.

Further, solid fixed ring adopts elasticity stainless steel material to make, gu fixed ring's cross sectional shape is circular, gu fixed ring's surface is equipped with the opening.

Furthermore, the inner wall of the anti-falling groove is provided with internal threads, one end of the anti-falling groove is communicated with a through hole, and the inner diameter of the through hole is larger than the outer diameter of the lead.

Furthermore, one end of the anti-slip sleeve is in contact connection with a limiting plate, and anti-slip strips distributed in an annular mode are arranged on the surface of the anti-slip sleeve.

Furthermore, the clamping piece and the lug surround a clamping groove, and the clamping piece is made of elastic stainless steel materials.

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

(1) This scheme can fasten the plug position of the plug that the microphone set up through the plug bush and the anticreep cover of the salient megaphone body that set up through the threaded mode, has the spacing function of anticreep, has guaranteed the electric connection stability of microphone.

(2) But the solid fixed ring and the detachable clamping piece of free rotation that set up, the mr of being convenient for passes through the bandage with the megaphone and fixes between the waist or carry on the back to one side at the waist to one side, presss from both sides the megaphone on the waistband through the clamping piece, great improvement the portability convenience of megaphone according to actual need.

Drawings

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

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a side view of the loudspeaker body structure of the present invention.

The numbering in the figures illustrates:

the loudspeaker comprises a loudspeaker body 1, an insertion sleeve 11, a limiting plate 12, a convex block 13, a clamping groove 14, a clamping block 2, a clamping piece 21, a clamping groove 22, a connecting block 3, a connecting groove 31, an anti-falling block 32, a fixing ring 33, an opening 34, a microphone 4, a lead 41, a plug 42, an anti-falling sleeve 5, an anti-falling groove 51, an anti-sliding strip 52 and a through hole 53.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Referring to fig. 1-3, a teaching speaker includes a speaker body 1, referring to fig. 1-3, a protrusion 13 is disposed on a back surface of the speaker body 1, a volume adjusting knob and a switch knob are disposed at one end of the speaker body 1, and its constituent structure and working principle are well known to those skilled in the art, a slot 14 is disposed on a side surface of the protrusion 13, a clip 2 is inserted into an inner wall of the slot 14, the clip 2 has a lateral movement function, and is easily assembled with and disassembled from the protrusion 13, but limits an up-down movement position of the clip 2, so that the clip 21 is inserted into an inner side of a belt, a clip 21 is fixedly connected to a surface of the clip 2, the clip 21 and the protrusion 13 enclose a clip groove 22, the clip 21 is made of an elastic stainless steel material, when the belt is in the clip groove 22, the belt is automatically clamped by an elastic force of the clip 21, a symmetrical connecting block 3 is fixedly connected to the side surface of the speaker body 1, one end of the connecting block 3 is rotatably connected to an anti-off block 32, one end of the plug 32 is rotatably connected to a fixing ring 33, the fixing a position of the fixing ring 33 for fixing a binding band, the connecting block 3, the plug is provided with a plug 5, and a plug 5 for preventing a microphone plug 5, and a microphone is provided with a plug for preventing a microphone 5, the plug 5, and a microphone plug for preventing the microphone from being easily separated from the microphone, and a microphone, the microphone 5, the inner wall of the escape prevention groove 51 is in contact connection with the surface of the plug 42.

Referring to fig. 1, a connecting groove 31 is disposed at one end of a connecting block 3, an inner wall of the connecting groove 31 is in contact with a surface of an anti-falling block 32, a cross-sectional shape of the anti-falling block 32 is T-shaped, a hole penetrating through the anti-falling block 32 in a radial direction is formed in the surface of the anti-falling block 32, the anti-falling block 32 enables a fixing ring 33 and a loudspeaker body 1 to rotate freely, and meanwhile, a rotating and folding function is provided between the fixing ring 33 and the anti-falling block 32, so that binding comfort is improved, the fixing ring 33 is made of elastic stainless steel materials, the cross-sectional shape of the fixing ring 33 is circular, an opening 34 is disposed in the surface of the fixing ring 33, and the opening 34 facilitates a user to easily separate and combine the binding band and the fixing ring 33.

Referring to fig. 2, the inner wall of anticreep groove 51 is equipped with the internal thread, the one end intercommunication of anticreep groove 51 has through-hole 53, the internal diameter of through-hole 53 is greater than the external diameter of wire 41, through-hole 53 can avoid anticreep cover 5 to wear and tear wire 41 at rotatory in-process, the one end contact connection of anticreep cover 5 has limiting plate 12, the surface of anticreep cover 5 is equipped with the antislip strip 52 of annular distribution, limiting plate 12 can improve the firm in connection nature of plug bush 11, antislip strip 52 can prevent to point and skid.

This megaphone is used in teaching, bind on one's body or press from both sides on the belt between the waist through bandage or the clamping piece 21 that solid fixed ring 33 connects, then insert plug 42 downwards in the one end jack of plug bush 11, then manual clockwise rotation anticreep cover 5, anticreep cover 5 clockwise rotation moves down, make the surface of one end contact at limiting plate 12, the one end inner wall of anticreep groove 51 and the one end surface contact extrusion of plug 42 this moment, then press from both sides microphone 4 at the collarband can, through the plug bush 11 and the anticreep cover 5 of the salient megaphone body 1 that set up, can fasten the plug 42's that microphone 4 set up plug position through the threaded mode, have the spacing function of anticreep, the electric connection stability of microphone 4 has been guaranteed, and the solid fixed ring 33 and the detachable clamping piece 21 that can freely rotate that set up, the mr of being convenient for according to actual need, fix the megaphone in the waist or carry on the back to one's side through the bandage, press from both sides the megaphone on the belt through clamping piece 21, great convenience of carrying has been improved.

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 teaching is with megaphone, includes megaphone body (1), its characterized in that: the loudspeaker is characterized in that a convex block (13) is arranged on the back of the loudspeaker body (1), a clamping groove (14) is arranged on the side face of the convex block (13), a clamping block (2) is connected to the inner wall of the clamping groove (14) in an inserting mode, clamping pieces (21) are fixedly connected to the surface of the clamping block (2), symmetrical connecting blocks (3) are fixedly connected to the side face of the loudspeaker body (1), an anti-falling block (32) is connected to one end of each connecting block (3) in a rotating mode, a fixing ring (33) is connected to one end of each anti-falling block (32) in a rotating mode, an inserting sleeve (11) is fixedly connected to one end of the loudspeaker body (1), a plug (42) is connected to one end of the inserting sleeve (11) in an inserting mode, the other end of the plug (42) is electrically connected with a microphone (4) through a wire (41), an anti-falling sleeve (5) is connected to the surface of the inserting sleeve (11) through threads, an anti-falling groove (51) is arranged at one end of the anti-falling sleeve (5), and the inner wall of the anti-falling groove (51) is connected with the surface of the plug (42) in a contacting mode.

2. A teaching microphone as claimed in claim 1, wherein: the one end of connecting block (3) is equipped with connecting groove (31), the inner wall of connecting groove (31) is connected with the surface contact of anticreep piece (32), the cross sectional shape of anticreep piece (32) is T shape, the surface of anticreep piece (32) is opened has the hole that radially runs through.

3. A teaching microphone as claimed in claim 1, wherein: the fixing ring (33) is made of elastic stainless steel materials, the cross section of the fixing ring (33) is circular, and an opening (34) is formed in the surface of the fixing ring (33).

4. A teaching microphone as claimed in claim 1, wherein: the inner wall of the anti-falling groove (51) is provided with internal threads, one end of the anti-falling groove (51) is communicated with a through hole (53), and the inner diameter of the through hole (53) is larger than the outer diameter of the lead (41).

5. A teaching microphone as claimed in claim 1, wherein: one end of the anti-falling sleeve (5) is in contact connection with a limiting plate (12), and anti-slip strips (52) distributed in an annular mode are arranged on the surface of the anti-falling sleeve (5).

6. A teaching microphone as claimed in claim 1, wherein: the clamping piece (21) and the bump (13) are encircled to form a clamping groove (22), and the clamping piece (21) is made of elastic stainless steel materials.