CN212910046U

CN212910046U - A portable megaphone for indoor teaching of university

Info

Publication number: CN212910046U
Application number: CN202021628778.4U
Authority: CN
Inventors: 陈香
Original assignee: Wuhan International Trade University
Current assignee: Wuhan International Trade University
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-04-06
Anticipated expiration: 2030-08-07

Abstract

The utility model discloses a portable megaphone for indoor teaching of university, including the megaphone body, the rear side at megaphone body top is opened and is equipped with and accomodates the groove, the inner chamber swing joint who accomodates the groove has storage plate, storage plate's front side is provided with receiving mechanism, the equal fixedly connected with connecting block in both sides of storage plate bottom, the both sides of accomodating the inslot chamber all are provided with stop gear. The utility model discloses an accomodate respectively at microphone and connecting wire in the inner chamber of microphone standing groove and connecting wire standing groove, will accomodate the board downstream again and hide to the inner chamber of accomodating the groove, portable's purpose has been reached promptly, this be used for college indoor teaching megaphone possesses portable's advantage, carry out hidden accomodating with microphone and connecting wire to the winding condition of connecting wire appears when avoiding not using, and occupation space is little, has made things convenient for the user to hand-carry.

Description

A portable megaphone for indoor teaching of university

Technical Field

The utility model relates to a teaching aid technical field specifically is a portable megaphone for college indoor teaching.

Background

The teaching aid can improve the learning interest of students, enrich perceptual knowledge, help to form clear concepts, develop the observation ability and thinking ability of students, and generally divide into common teaching aids, special teaching aids and infant teaching aids.

The megaphone is one of the apparatus of often using in the indoor teaching of university, has solved the problem that the volume is little on class of teacher, and present indoor teaching megaphone that is used for university is because the connecting wire between microphone and the megaphone is difficult to arrange in order after using, and the winding condition can often appear in the connecting wire when not using to the existence of microphone is unfavorable for the user to carry.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable megaphone for indoor teaching of university possesses portable's advantage, has solved present indoor teaching megaphone that is used for university because the connecting wire between microphone and the megaphone is difficult to arrange in order after using, and the winding condition often can appear in the connecting wire when not using to the existence of microphone is unfavorable for the problem that the user carried.

In order to achieve the above object, the utility model provides a following technical scheme: a portable loudspeaker for indoor teaching of universities comprises a loudspeaker body, wherein a containing groove is formed in the rear side of the top of the loudspeaker body, the inner cavity of the containing groove is movably connected with a containing plate, the front side of the containing plate is provided with a containing mechanism, the two sides of the bottom of the containing plate are both fixedly connected with connecting blocks, the two sides of the inner cavity of the containing groove are both provided with a limiting mechanism, the inner cavity of the left limiting mechanism is provided with an L-shaped block, the right side of the L-shaped block is fixedly connected with the left connecting block, the inner side of the L-shaped block is provided with a clamping groove, a movable cavity is arranged inside the loudspeaker body, the inner cavity of the movable cavity is movably connected with a movable rod, the left end of movable rod runs through to the outside of megaphone body and fixedly connected with presses the briquetting, the surface of movable rod is provided with canceling release mechanical system, the right-hand member of movable rod is provided with fixed establishment.

Preferably, the accommodating mechanism comprises a microphone accommodating groove and a connecting line accommodating groove which are arranged on the front side of the accommodating plate, and one side of the inner cavity of the microphone accommodating groove is communicated with the connecting line accommodating groove.

Preferably, a handle is fixedly connected to the top of the receiving plate.

Preferably, stop gear includes and sets up in the spout of accomodating groove inner chamber both sides, and the inner chamber sliding connection of right side spout has the slider, one side and the right side connecting block fixed connection of slider, the inner chamber and the L-shaped piece swing joint of left side spout.

Preferably, the canceling release mechanical system includes the fixed block that is fixed in the movable rod surface, the surface cover of movable rod is equipped with the spring, the right-hand member and the fixed block fixed connection of spring, the left end of spring and the inner wall fixed connection in activity chamber.

Preferably, the fixing mechanism comprises a second L-shaped block fixed at the right end of the movable rod, one side of the second L-shaped block penetrates through the inner cavity of the sliding groove in the left side, a clamping block is fixedly connected to one side of the second L-shaped block, and the surface of the clamping block is movably connected with the clamping groove.

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

1. the utility model discloses an accomodate respectively in the inner chamber of microphone standing groove and connecting wire standing groove at microphone and connecting wire, again will accomodate the board downstream and hide to the inner chamber of accomodating the groove, portable's purpose has been reached promptly, this be used for college indoor teaching megaphone possesses portable's advantage, carry out hidden accomodating with microphone and connecting wire, thereby the winding condition of connecting wire appears when avoiding not using, and occupation space is little, made things convenient for the user to hand-carry, solved present being used for college indoor teaching megaphone after the use because the connecting wire between microphone and the megaphone is difficult to arrange in order, the winding condition can often appear in the connecting wire when not using, and the existence of microphone is unfavorable for the problem that the user carried.

2. The utility model discloses a receiving mechanism's setting, when not using, place microphone and connecting wire in the inner chamber of microphone standing groove and connecting wire standing groove, can accomodate the protection to microphone and connecting wire, the service life thereof is prolonged, setting through the handle, user's hand and the area of contact of receiving the board have been increased, made things convenient for the user to remove the receiving board, and then convenient to use person accesses, setting through stop gear, when the receiving board removes, it slides in the inner chamber of spout to drive the slider, and then has played limiting displacement to the receiving board, the stability of receiving board has been improved.

Drawings

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

fig. 2 is a schematic expanded perspective view of the present invention;

FIG. 3 is a front sectional view of the present invention;

fig. 4 is an enlarged view of a point a in fig. 3 according to the present invention.

In the figure: 1. a loudspeaker body; 2. a receiving groove; 3. a storage plate; 4. a storage mechanism; 41. a microphone placing groove; 42. a connecting wire placing groove; 5. a handle; 6. connecting blocks; 7. a limiting mechanism; 71. a chute; 72. a slider; 8. an L-shaped block; 9. a card slot; 10. a movable cavity; 11. a movable rod; 12. a pressing block; 13. a reset mechanism; 131. a fixed block; 132. a spring; 14. a fixing mechanism; 141. a second L-shaped block; 142. and (7) clamping blocks.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a portable loudspeaker for indoor teaching of university comprises a loudspeaker body 1, wherein a containing groove 2 is arranged at the rear side of the top of the loudspeaker body 1, a containing plate 3 is movably connected with the inner cavity of the containing groove 2, a containing mechanism 4 is arranged at the front side of the containing plate 3, the containing mechanism 4 comprises a microphone placing groove 41 and a connecting wire placing groove 42 which are arranged at the front side of the containing plate 3, one side of the inner cavity of the microphone placing groove 41 is communicated with the connecting wire placing groove 42, when the loudspeaker is not used, the microphone and the connecting wire are placed in the inner cavities of the microphone placing groove 41 and the connecting wire placing groove 42, the microphone and the connecting wire can be contained and protected, the service life of the loudspeaker is prolonged, a handle 5 is fixedly connected to the top of the containing plate 3, the contact area between the hand of a user and the containing plate 3 is increased through the arrangement of the handle 5, and the containing plate 3 is convenient for the user to move, and is convenient for a user to access, both sides of the bottom of the containing plate 3 are fixedly connected with the connecting blocks 6, both sides of the inner cavity of the containing groove 2 are provided with the limiting mechanisms 7, the inner cavity of the left limiting mechanism 7 is provided with the L-shaped block 8, the limiting mechanisms 7 comprise the sliding grooves 71 arranged on both sides of the inner cavity of the containing groove 2, the inner cavity of the right sliding groove 71 is slidably connected with the sliding block 72, one side of the sliding block 72 is fixedly connected with the right connecting block 6, the inner cavity of the left sliding groove 71 is movably connected with the L-shaped block 8, through the arrangement of the limiting mechanisms 7, when the containing plate 3 moves, the sliding block 72 is driven to slide in the inner cavity of the sliding groove 71, and further, the limiting effect is achieved on the containing plate 3, the stability of the containing plate 3 is improved, the right side of the L-shaped block 8 is fixedly connected with the left connecting block 6, the inner side of the L, the left end of movable rod 11 runs through to the outside of megaphone body 1 and fixedly connected with presses briquetting 12, the surface of movable rod 11 is provided with canceling release mechanical system 13, canceling release mechanical system 13 includes fixed block 131 that is fixed in the surface of movable rod 11, the surface cover of movable rod 11 is equipped with spring 132, the right-hand member and the fixed block 131 fixed connection of spring 132, the left end of spring 132 and the inner wall fixed connection of activity chamber 10, the right-hand member of movable rod 11 is provided with fixed establishment 14, fixed establishment 14 includes two 141 of L-shaped piece that are fixed in the movable rod 11 right-hand member, one side of two 141 of L-shaped piece runs through to the inner chamber of left side spout 71, one side fixedly connected with fixture block 142 of two 141 of L-shaped piece, the surface and.

The working principle is as follows: the utility model discloses during the use, the user is through in placing microphone standing groove 41 and connecting wire standing groove 42's inner chamber respectively with microphone and connecting wire, press according to briquetting 12, press briquetting 12 to drive movable rod 11 and move right, movable rod 11 drives fixed block 131, two 141 of L-shaped piece and fixture block 142 move right, spring 132 is in tensile state, hold handle 5, remove housing plate 3 downwards, housing plate 3 drives connecting block 6, slider 72 and the 8 downstream of L-shaped piece, until moving when bottommost, loosen and press briquetting 12, spring 132 resumes the original position, spring 132 drives fixed block 131, two 141 of L-shaped piece and fixture block 142 move left and resume to the original position, and then fixture block 142 gets into the inner chamber of draw-in groove 9, fix housing plate 3, accomplish and accomodate, portable's purpose has been reached promptly.

In summary, the following steps: this a portable megaphone for indoor teaching of university, through accomodate respectively at microphone and connecting wire in the inner chamber of microphone standing groove 41 and connecting wire standing groove 42, take in 3 inner chambers to accomodating groove 2 of moving down to again, portable's purpose has been reached promptly, this a megaphone for indoor teaching of university possesses portable's advantage, carry out hidden accomodating with microphone and connecting wire, thereby the winding condition of connecting wire appears when avoiding not using, and occupation space is little, the user has been made things convenient for and has hand-carried, solved present being used for indoor teaching of university megaphone after the use because the connecting wire between microphone and the megaphone is difficult to arrange in order, the winding condition can often appear in the connecting wire when not using, and the existence of microphone is unfavorable for the problem that the user carried.

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 portable megaphone for indoor teaching of university, includes the megaphone body, its characterized in that: the loudspeaker comprises a loudspeaker body and is characterized in that a containing groove is formed in the rear side of the top of the loudspeaker body, a containing plate is movably connected to the inner cavity of the containing groove, a containing mechanism is arranged on the front side of the containing plate, connecting blocks are fixedly connected to the two sides of the bottom of the containing plate, limiting mechanisms are arranged on the two sides of the inner cavity of the containing groove, an L-shaped block is arranged in the inner cavity of the left limiting mechanism, a clamping groove is formed in the inner side of the L-shaped block, a movable cavity is formed in the loudspeaker body, a movable rod is movably connected to the inner cavity of the movable cavity, the left end of the movable rod penetrates through the outer side of the loudspeaker body and is fixedly connected with a pressing block, a reset mechanism is arranged on the surface of the movable rod, and a fixing mechanism is arranged at.

2. A portable loudspeaker for university indoor teaching as claimed in claim 1, wherein: the storage mechanism comprises a microphone placing groove and a connecting line placing groove which are arranged on the front side of the storage plate, and one side of the inner cavity of the microphone placing groove is communicated with the connecting line placing groove.

3. A portable loudspeaker for university indoor teaching as claimed in claim 1, wherein: the top of the storage plate is fixedly connected with a handle.

4. A portable loudspeaker for university indoor teaching as claimed in claim 1, wherein: limiting mechanism includes the spout of seting up in accomodating groove inner chamber both sides, and the inner chamber sliding connection of right side spout has the slider, one side and the right side connecting block fixed connection of slider, the inner chamber and the L-shaped piece swing joint of left side spout.

5. A portable loudspeaker for university indoor teaching as claimed in claim 1, wherein: the reset mechanism includes the fixed block that is fixed in the movable rod surface, the surface cover of movable rod is equipped with the spring, the right-hand member and the fixed block fixed connection of spring, the left end of spring and the inner wall fixed connection in activity chamber.

6. A portable loudspeaker for university indoor teaching as claimed in claim 4, wherein: the fixing mechanism comprises a second L-shaped block fixed at the right end of the movable rod, one side of the second L-shaped block penetrates through the inner cavity of the sliding groove in the left side, a clamping block is fixedly connected to one side of the second L-shaped block, and the surface of the clamping block is movably connected with the clamping groove.