CN212433989U

CN212433989U - Public address equipment is used in teaching

Info

Publication number: CN212433989U
Application number: CN202020472923.8U
Authority: CN
Inventors: 唐启生
Original assignee: Zhengzhou Rongyou Beiyou Information Technology Co ltd
Current assignee: Zhengzhou Rongyou Beiyou Information Technology Co ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2021-01-29
Anticipated expiration: 2030-04-03

Abstract

The utility model relates to a teaching equipment technical field specifically is a public address equipment is used in teaching, including the equipment shell, the spout has been seted up to one side of equipment shell, the quantity of spout has two, one side fixedly connected with installing frame of equipment shell, the top fixed mounting of equipment shell has driving motor, driving motor's output fixedly connected with actuating lever, the swing joint of installing frame has the dust guard. This public address equipment is used in teaching, through one side fixed mounting frame at equipment shell, and set up the dust guard of activity in the inside of installation frame, can make this public address equipment is used in teaching still can guarantee cleanly when not using for a long time (during the period of vacation), avoid falling the ash and pile up and cause the harm to equipment, and then the effectual life who improves public address equipment is used in teaching, on the other hand can make the device adjust the dust guard more convenient through setting up driving motor and actuating lever, further improve the device's result of use.

Description

Public address equipment is used in teaching

Technical Field

The utility model relates to a teaching equipment technical field specifically is a public address equipment is used in teaching.

Background

The loudspeaker, commonly called power amplifier for short, is the most basic equipment in sound system, its task is to amplify the weak electric signal from signal source (from the sound console in professional sound system) in order to drive the loudspeaker to make a sound, it is mainly used for teaching, tour guide, outdoor, speech activity, there is relatively small volume that can hang on one's body and relatively large volume to carry and place in places such as teacher and meeting room, its kind and use are many.

Along with the continuous popularization of obligation education, and the student quantity that each colleges and universities received is increasing day by day, mr when the teacher imparts knowledge to students, because classroom area is too big and classroom student number is relatively more, when imparting knowledge to students, singly rely on mr to send sound to carry out the words of going on class, sit the relatively classmate relatively behind and just can not be very clear hear the content that mr gave a lesson and impart knowledge to students, so at the teaching in-process of some schools nowadays, more and more colleges and universities have been equipped with the megaphone in the classroom, but the megaphone that current classroom was used is mostly fixed at the wall eminence, and the megaphone is the easy deposition of time spent not for a long time (when putting on vacation), influence result of use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a public address equipment is used in teaching not enough to prior art, the utility model provides a public address equipment is used in teaching can shift position through the setting, and can play a public address equipment is used in teaching of dustproof effect through the dust guard, has solved the problem of proposing among the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the public address equipment for teaching comprises an equipment shell, wherein one side of the equipment shell is provided with two sliding grooves, one side of the equipment shell is fixedly connected with an installation frame, the top of the equipment shell is fixedly provided with a driving motor, the output end of the driving motor is fixedly connected with a driving rod, and the installation frame is movably connected with a dust guard;

first screw hole has been seted up at the top of dust guard, first screw hole and actuating lever looks adaptation, second screw hole has been seted up to one side of dust guard, the inside threaded connection of second screw hole has the slider, the slider still with spout looks adaptation, the quantity of second screw hole and slider is two, the motor groove has been seted up to the below of first screw hole.

Optionally, one side of the device housing is fixedly provided with two elastic clamping plates, and the number of the elastic clamping plates is also two.

Optionally, the inside of elasticity splint is provided with the mounting panel, elasticity splint install on the mounting panel.

Optionally, the bottom of the mounting plate is fixedly connected with a fixing plate.

Optionally, a fixing hole is formed in the fixing plate.

Optionally, one end of the driving rod, which is far away from the output end of the driving motor, is connected with a limit nut in a threaded manner.

Optionally, a speaker unit is fixedly mounted inside the device housing.

Optionally, the inside of fixed orifices is provided with fixing bolt, the fixed plate passes through fixing bolt fixed mounting on the wall.

(III) advantageous effects

The utility model provides a public address equipment is used in teaching possesses following beneficial effect:

1. this public address equipment is used in teaching, through one side fixed mounting frame at equipment shell, and set up the dust guard of activity in the inside of installation frame, can make this public address equipment is used in teaching still can guarantee cleanly when not using for a long time (during the period of vacation), avoid falling the ash and pile up and cause the harm to equipment, and then the effectual life who improves public address equipment is used in teaching, on the other hand can make the device adjust the dust guard more convenient through setting up driving motor and actuating lever, further improve the device's result of use.

2. This public address equipment is used in teaching, through the fixed elastic splint in one side of equipment shell to the cooperation can be installed mounting panel and fixed plate on the classroom wall and use, can make this public address equipment is used in teaching can carry out the regulation of position, makes the device's flexibility improve greatly, and on the other hand can install a plurality of public address equipment on a mounting panel and fixed plate, can deal with great classroom, further improves the device's result of use.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the device housing and the dust guard of the present invention;

FIG. 3 is a schematic structural diagram of the housing of the present invention;

fig. 4 is a schematic structural view of the dust guard of the present invention.

In the figure: 1-equipment shell, 101-sliding groove, 2-mounting frame, 3-driving motor, 4-driving rod, 5-dust guard, 501-first threaded hole, 502-second threaded hole, 503-sliding block, 504-motor groove, 6-elastic clamping plate, 7-mounting plate, 8-fixing plate, 801-fixing hole, 9-limit nut and 10-loudspeaker unit.

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.

Referring to fig. 1 to 4, the present invention provides a technical solution: a public address device for teaching comprises a device shell 1, a sliding groove 101 is formed in one side of the device shell 1, the number of the sliding grooves 101 is two, a mounting frame 2 is fixedly connected to one side of the device shell 1, a driving motor 3 is fixedly mounted at the top of the device shell 1, a driving rod 4 is fixedly connected to the output end of the driving motor 3, the dustproof plate 5 can be adjusted more conveniently by the device through the arrangement of the driving motor 3 and the driving rod 4, the using effect of the device is further improved, the dustproof plate 5 is movably connected to the mounting frame 2, a first threaded hole 501 is formed in the top of the dustproof plate 5, the first threaded hole 501 is matched with the driving rod 4, a second threaded hole 502 is formed in one side of the dustproof plate 5, a sliding block 503 is connected to the inner thread of the second threaded hole 502, the sliding block 503 is also matched with the sliding groove 101, and the number of the, the motor groove 504 is arranged below the first threaded hole 501, the mounting frame 2 is fixed on one side of the equipment shell 1, and the movable dust guard 5 is arranged in the mounting frame 2, so that the teaching public address equipment can still be kept clean when not used for a long time (during vacation), damage to the equipment caused by ash accumulation is avoided, and the service life of the teaching public address equipment is further effectively prolonged, the motor groove 504 is slightly larger than the driving motor 3, the elastic clamping plates 6 are fixedly arranged on one side of the equipment shell 1, the number of the elastic clamping plates 6 is also two, the mounting plates 7 are arranged in the elastic clamping plates 6, the elastic clamping plates 6 are arranged on the mounting plates 7, the fixing plates 8 are fixedly connected to the bottoms of the mounting plates 7, the elastic clamping plates 6 are fixed on one side of the equipment shell 1 and are matched with the mounting plates 7 and the fixing plates 8 which can be arranged on the wall surface, can make this public address equipment for teaching can carry out the regulation of position, make the device's flexibility improve greatly, can install a plurality of public address equipment on a mounting panel 7 and fixed plate 8 in addition, can deal with great classroom, further improve the device's result of use, fixed orifices 801 has been seted up to fixed plate 8's inside, the one end threaded connection that driving motor 3 output was kept away from to actuating lever 4 has limit nut 9, equipment casing 1's inside fixed mounting has speaker unit 10, the inside of fixed orifices 801 is provided with fixing bolt, fixed plate 8 passes through fixing bolt fixed mounting on the wall.

The working process of the utility model is as follows: can be rotatory through control driving motor 3's direction of rotation control actuating lever 4 when using for dust guard 5 can make dust guard 5 fall down at the effect of installing frame 2 under the effect, makes dust guard 5 when not using for a long time, plays dustproof effect, control dust guard 5 when using this equipment rise can, the public address equipment's of installation quantity on the mounting panel 7 can be customized according to the size in classroom.

To sum up, when the utility model is used, the installation frame 2 is fixed on one side of the equipment shell 1, and the movable dust guard 5 is arranged in the installation frame 2, so that the teaching public address equipment can still be ensured to be clean when not used for a long time (during the period of vacation), the damage to the equipment caused by the accumulation of falling ash is avoided, and the service life of the teaching public address equipment is further effectively prolonged, on the other hand, the installation of the driving motor 3 and the driving rod 4 can make the device more convenient to adjust the dust guard 5, the use effect of the device is further improved, the position of the teaching public address equipment can be adjusted by fixing the elastic clamp plate 6 on one side of the equipment shell 1 and matching the installation plate 7 and the fixed plate 8 which can be installed on the wall surface of a classroom, the flexibility of the device is greatly improved, on the other hand, a plurality of public address equipment can be installed on one installation plate 7 and the fixed plate 8, the device can be used in large classrooms, and the using effect of the device is further improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a public address equipment is used in teaching which characterized in that: the dustproof device comprises an equipment shell (1), wherein one side of the equipment shell (1) is provided with two sliding grooves (101), one side of the equipment shell (1) is fixedly connected with an installation frame (2), the top of the equipment shell (1) is fixedly provided with a driving motor (3), the output end of the driving motor (3) is fixedly connected with a driving rod (4), and the installation frame (2) is movably connected with a dustproof plate (5);

first screw hole (501) have been seted up at the top of dust guard (5), first screw hole (501) and actuating lever (4) looks adaptation, second screw hole (502) have been seted up to one side of dust guard (5), the inside threaded connection of second screw hole (502) has slider (503), slider (503) still with spout (101) looks adaptation, the quantity of second screw hole (502) and slider (503) is two, motor groove (504) have been seted up to the below of first screw hole (501).

2. A teaching amplification apparatus as claimed in claim 1, wherein: one side fixed mounting of equipment shell (1) has elasticity splint (6), the quantity of elasticity splint (6) is two equally.

3. A teaching amplification apparatus as claimed in claim 2, wherein: the inside of elasticity splint (6) is provided with mounting panel (7), elasticity splint (6) are installed on mounting panel (7).

4. A teaching amplification apparatus as claimed in claim 3, wherein: the bottom of the mounting plate (7) is fixedly connected with a fixing plate (8).

5. A teaching amplification apparatus as claimed in claim 4, wherein: the fixing plate (8) is internally provided with a fixing hole (801).

6. A teaching amplification apparatus as claimed in claim 1, wherein: and one end of the driving rod (4) far away from the output end of the driving motor (3) is in threaded connection with a limit nut (9).

7. A teaching amplification apparatus as claimed in claim 1, wherein: a loudspeaker unit (10) is fixedly arranged in the equipment shell (1).

8. A teaching amplification apparatus as claimed in claim 5, wherein: the inside of fixed orifices (801) is provided with fixing bolt, fixed plate (8) are through fixing bolt fixed mounting on the wall.