CN213276451U - Public address equipment is used in internet teaching - Google Patents

Abstract

The utility model discloses a public address equipment is used in internet teaching, the load simulator comprises a device body, device body internally mounted has the cabinet body, the internal portion movable mounting of cabinet has the thread bush, the thread bush surface is provided with the rack, rack one side meshing has the gear, gear one end is passed through the transmission shaft and is connected with the step motor output, the threaded rod has been cup jointed to the inside spiral of thread bush, and threaded rod one end runs through device body surface and loading board swing joint. The utility model discloses in, when the equipment body began to use, the staff removed the equipment body appointed place, later started step motor through the controller to make the gear drive the rack on screw thread bush surface rotate under step motor's rotation, later under the rotation of screw thread bush, make the threaded rod reciprocate inside the screw thread bush, thereby can make the staff to the altitude mixture control of loading board to suitable position, this mode easy operation, improve the application range of equipment body greatly.

Description

Public address equipment is used in internet teaching

Technical Field

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

Background

The loudspeaker is the more distant meaning of amplifying sound as the name implies, and the sound penetrating power of loudspeaker is stronger than the audio amplifier, according to the use mode: can be divided into a wired loudspeaker and a wireless loudspeaker, and according to the use purpose: the loudspeaker can be divided into a teaching loudspeaker, a tour guide loudspeaker and an entertainment loudspeaker, and the loudspeakers can be divided into various types according to the volume, the use mode and the application and have the use advantages.

The prior art has the following problems:

at present, the height of the existing teaching public address equipment, especially for outdoor equipment, is generally certain, and the equipment cannot be adjusted to a proper height according to the height of a user, so that the application range of the equipment is greatly reduced.

Therefore, the public address equipment for internet teaching is provided to solve the defects.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, present teaching public address equipment, especially to the equipment that is used outdoors, the height of its equipment is general all certain, can not go to adjust suitable height according to user's height to the application range of greatly reduced equipment, and the public address equipment is used in internet teaching that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a public address equipment for internet teaching, includes the equipment body, equipment body internally mounted has the cabinet body, cabinet body internal portion movable mounting has the thread bush, the thread bush surface is provided with the rack, rack one side meshing has the gear, gear one end is passed through the transmission shaft and is connected with the step motor output, the inside spiral of thread bush has cup jointed the threaded rod, and threaded rod one end runs through equipment body surface and loading board swing joint.

Preferably, the surface of the bearing plate is provided with a mounting cavity, and the bottom end surface of the mounting cavity is provided with a rubber pad.

Preferably, the device body is surface-mounted with a speaker.

Preferably, a sealing door is installed on the surface of the cabinet body through a hinge, and a handle is installed on the surface of the sealing door.

Preferably, the surface of the top of the equipment body is provided with two handles, and the two handles are symmetrically arranged on the surface of the equipment body.

Preferably, the bottom end of the equipment body is provided with a plurality of universal wheels, and the universal wheels are arranged at four corners of the bottom end of the equipment body at equal intervals.

Preferably, the controller is installed on the surface of the equipment body.

Compared with the prior art, the utility model has the advantages that;

1. the utility model discloses, through setting up the thread bush, the rack, the threaded rod, the cooperation of step motor and gear is used, be convenient for highly adjust the loading board, when the equipment body begins to use, the staff removes the equipment body to appointed place, later start step motor through the controller, thereby make the gear drive the rack rotation on thread bush surface under step motor's rotation, later under the rotation of thread bush, make the threaded rod reciprocate inside the thread bush, thereby can make the staff to the suitable position of altitude mixture control of loading board, this mode easy operation, the application range of equipment body is greatly improved.

2. The utility model discloses, through having seted up the installation cavity on the surface at the loading board, convenient to use person guarantees the stability in the use to placing of dull and stereotyped or notebook computer, is provided with the rubber pad in the bottom of installation cavity moreover, avoids electronic product and installation cavity to take place rigid contact through setting up the rubber pad, prevents to cause the damage to electronic product.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a public address device for internet teaching according to the present invention;

fig. 2 is a schematic view of a thread bush of the public address equipment for internet teaching according to the present invention;

fig. 3 is a front view of the public address equipment for internet teaching according to the present invention;

fig. 4 is the utility model provides a public address equipment loading board schematic diagram for internet teaching.

Illustration of the drawings:

1. an apparatus body; 2. a cabinet body; 3. a hinge; 4. a controller; 5. a grip; 6. a carrier plate; 7. a sealing door; 8. a handle; 9. a universal wheel; 10. a threaded sleeve; 11. a rack; 12. a threaded rod; 13. a gear; 14. a stepping motor; 15. a speaker; 16. a mounting cavity; 17. and (7) a rubber pad.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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.

Referring to fig. 1-4, a public address device for internet teaching comprises a device body 1, a cabinet body 2 is mounted inside the device body 1, a threaded sleeve 10 is movably mounted inside the cabinet body 2, a rack 11 is arranged on the surface of the threaded sleeve 10, a gear 13 is meshed with one side of the rack 11, one end of the gear 13 is connected with the output end of a stepping motor 14 through a transmission shaft, a threaded rod 12 is spirally sleeved inside the threaded sleeve 10, and one end of the threaded rod 12 penetrates through the surface of the device body 1 and is movably connected with a bearing plate 6.

In this embodiment: through setting up thread bush 10, rack 11, threaded rod 12, step motor 14 and gear 13's cooperation is used, when equipment body 1 begins to use, the staff moves equipment body 1 to appointed place, later start step motor 14 through controller 4, thereby make gear 13 drive the rack 11 rotation on thread bush 10 surface under step motor 14's rotation, later under thread bush 10's rotation, make threaded rod 12 reciprocate in thread bush 10 is inside, thereby can make the staff to the height control of loading board 6 to suitable position, this mode easy operation, improve equipment body 1's application range greatly.

Specifically, the surface of the bearing plate 6 is provided with a mounting cavity 16, and the bottom end surface of the mounting cavity 16 is provided with a rubber pad 17.

In this embodiment: through setting up installation cavity 16, convenient to use person guarantees the stability in the use to placing of dull and stereotyped or notebook computer, is provided with rubber pad 17 in the bottom of installation cavity 16 moreover, avoids electronic product and installation cavity 16 to take place hard contact through setting up rubber pad 17, prevents to cause the damage to electronic product.

Specifically, the apparatus body 1 is surface-mounted with a speaker 15.

In this embodiment: the speaker 15 is provided to facilitate normal use of the apparatus body 1, and the speaker 15 is used only without modification, as it is common knowledge in the art, and thus, a detailed description of a control method and circuit connection is omitted.

Specifically, the surface of the cabinet body 2 is provided with a sealing door 7 through a hinge 3, and the surface of the sealing door 7 is provided with a handle 8.

In this embodiment: through setting up sealing door 7, be convenient for to the sealed of cabinet body 2.

Specifically, 1 top surface mounting of equipment body has handle 5, and handle 5 is provided with two to two handle 5 symmetries are installed on 1 surface of equipment body, and 1 bottom of equipment body is provided with universal wheel 9, and universal wheel 9 is provided with a plurality ofly, and installs in four corners in 1 bottom of equipment body a plurality of universal wheels 9 equidistance.

In this embodiment: through the cooperation of setting up handle 5 and universal wheel 9, be convenient for to the removal of equipment body 1.

Specifically, the apparatus body 1 is surface-mounted with the controller 4.

In this embodiment: through setting up controller 4, be convenient for control the electric element of equipment body 1 inside, controller 4 control circuit can realize through the simple programming of technical staff in this field, belongs to the common general knowledge in this field, only uses it, does not reform transform, so control mode and circuit connection are not described in detail again.

The working principle is as follows: when the apparatus body 1 is put into use, the worker moves the apparatus body 1 to a designated place, and then activates the stepping motor 14 through the controller 4, so that the gear 13 drives the rack 11 on the surface of the threaded sleeve 10 to rotate under the rotation of the stepping motor 14, and then the threaded rod 12 moves up and down in the threaded sleeve 10 under the rotation of the threaded sleeve 10, thereby the height of the bearing plate 6 can be adjusted to a proper position by the staff, the operation is simple, the application range of the equipment body 1 is greatly improved, the surface of the bearing plate 6 is provided with the mounting cavity 16, so that a user can conveniently place a tablet or a notebook computer, the stability in the use process is ensured, and be provided with rubber pad 17 in the bottom of installation cavity 16, avoid electronic product and installation cavity 16 to take place the rigid contact through setting up rubber pad 17, prevent to cause the damage to electronic product.

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 (7)

1. The utility model provides a public address equipment for internet teaching, includes equipment body (1), its characterized in that, equipment body (1) internally mounted has the cabinet body (2), the cabinet body (2) inside movable mounting has thread bush (10), thread bush (10) surface is provided with rack (11), rack (11) one side meshing has gear (13), gear (13) one end is passed through the transmission shaft and is connected with step motor (14) output, the inside spiral shell of thread bush (10) has threaded rod (12), and threaded rod (12) one end runs through equipment body (1) surface and loading board (6) swing joint.

2. The sound amplifying device for internet teaching as claimed in claim 1, wherein the bearing plate (6) has a mounting cavity (16) formed on the surface thereof, and a rubber pad (17) is disposed on the bottom surface of the mounting cavity (16).

3. The internet teaching public address equipment according to claim 1, wherein a speaker (15) is surface-mounted on the equipment body (1).

4. The public address equipment for internet teaching as claimed in claim 1, wherein a sealing door (7) is installed on the surface of the cabinet body (2) through a hinge (3), and a handle (8) is installed on the surface of the sealing door (7).

5. The public address equipment for internet teaching as claimed in claim 1, wherein the top surface of the equipment body (1) is provided with two handles (5), and the two handles (5) are symmetrically arranged on the surface of the equipment body (1).

6. The sound amplifying apparatus for internet teaching as claimed in claim 1, wherein the bottom end of the apparatus body (1) is provided with a plurality of universal wheels (9), and the plurality of universal wheels (9) are installed at four corners of the bottom end of the apparatus body (1) at equal intervals.

7. The internet teaching public address equipment according to claim 1, wherein the controller (4) is surface-mounted on the equipment body (1).

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