CN213426481U - A public address equipment for classroom teaching - Google Patents
A public address equipment for classroom teaching Download PDFInfo
- Publication number
- CN213426481U CN213426481U CN202021326058.2U CN202021326058U CN213426481U CN 213426481 U CN213426481 U CN 213426481U CN 202021326058 U CN202021326058 U CN 202021326058U CN 213426481 U CN213426481 U CN 213426481U
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- Prior art keywords
- public address
- box
- mounting
- mounting box
- mounting groove
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- 230000033228 biological regulation Effects 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 5
- 230000003139 buffering effect Effects 0.000 claims description 5
- 244000043261 Hevea brasiliensis Species 0.000 claims description 3
- 229920003052 natural elastomer Polymers 0.000 claims description 3
- 229920001194 natural rubber Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims 1
- 241001310793 Podium Species 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 101000901617 Notophthalmus viridescens Homeobox protein DLX-3 Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model discloses a public address equipment for classroom teaching, include: the mounting panel, the surface of mounting panel is equipped with fixed box and is the rectangle structure setting, the surface of fixed box is equipped with spout and inside is equipped with the motor, the power take off end of motor is equipped with screw rod and screw rod surface and is equipped with the sliding block. The utility model discloses a fixed plate is fixed the box on the wall of podium or blackboard, during the use, put into the inside mounting groove of mounting box with public address equipment, its bottom and bracket contact, the regulation pole that rotates both sides simultaneously drives the splint of its side and fixes public address equipment, public address equipment's stability has been guaranteed, the apron that stimulates upper portion simultaneously makes the mounting box inside keep sealed, public address equipment's sound outlet is linked together with loudspeaker, baffle and public address hole through the inside setting of loudspeaker can amplify the sound that public address equipment sent, make things convenient for teaching in-process student to hear clearly.
Description
Technical Field
The utility model relates to a public address equipment technical field, more specifically are a public address equipment for classroom teaching.
Background
The amplifier generally refers to a power amplifier, which is used for amplifying weak signals from a sound source or a preceding amplifier to push a sound box to play sound. The power of a set of good sound system power amplifier is not available. The power amplifier is the largest family of various sound equipment and mainly has the function of amplifying a weak signal input by a sound source equipment and then generating enough current to push a loudspeaker to replay sound. Different power amplifiers are also different in internal signal processing, circuit design and production process due to the consideration of power, impedance, distortion, dynamics and different application ranges and control and regulation functions.
Public address equipment is used in teaching commonly used ties between the waist through the bandage when using, and this kind of wearing mode makes the megaphone landing easily, uses inconveniently, and the megaphone body very easily breaks simultaneously, practicality greatly reduced. Therefore, a new technical solution needs to be provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a public address equipment for classroom teaching has solved the public address equipment for teaching commonly used among the prior art, ties between the waist through the bandage when using, and this kind of mode of dressing makes the megaphone landing easily, uses inconveniently, and the megaphone body very easily breaks simultaneously, problem that the practicality descends greatly.
In order to achieve the above object, the utility model provides a following technical scheme: a sound amplifying apparatus for classroom teaching comprising: a mounting plate, wherein the surface of the mounting plate is provided with a fixed box which is arranged in a rectangular structure, the surface of the fixed box is provided with a chute and the inside of the fixed box is provided with a motor, the power output end of the motor is provided with a screw rod, the surface of the screw rod is provided with a sliding block, the sliding block is in threaded connection with the screw rod, the side surface of the sliding block is provided with a mounting box, the mounting box is arranged in a rectangular structure and the inside of the mounting box is provided with a mounting groove, the bottom of the mounting groove is provided with a buffer column, the upper part of the buffer column is provided with a supporting plate, the two sides of the mounting groove are provided with a spring column, the side surface of the spring column is provided with a clamping plate, the clamping plate is in telescopic connection with the mounting groove through the spring column, the two sides of the mounting box are, the loudspeaker is characterized in that an elastic sheet is arranged inside the loudspeaker, a reflecting plate is arranged on the inner side of the elastic sheet, the reflecting plate is arranged in a circular structure, the inner surface of the reflecting plate is arranged in an arc structure, and the reflecting plate and the elastic sheet are smoothly transited and integrally formed.
As an optimal implementation manner of the present invention, the side of the splint is provided with the cushion and the cushion is made of natural rubber, and the cushion passes through the bolt and the splint fixed connection.
As an embodiment of the present invention, the bottom of the mounting box is provided with a plurality of groups of heat dissipation holes and is connected to the heat dissipation holes and the mounting groove.
As a preferred embodiment of the present invention, the upper portion of the mounting box is provided with an inner side of the cover plate and a sliding connection between the cover plate and the mounting box, and the cover plate covers the opening of the mounting groove.
As a preferred embodiment of the present invention, the inside of the reflection plate is provided with a plurality of groups of sound amplifying holes and the sound amplifying holes are uniformly distributed inside the reflection plate.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses a fixed plate is fixed the box on the wall of podium or blackboard, during the use, put into the inside mounting groove of mounting box with public address equipment, its bottom and bracket contact, the regulation pole that rotates both sides simultaneously drives the splint of its side and fixes public address equipment, public address equipment's stability has been guaranteed, the apron that stimulates upper portion simultaneously makes the mounting box inside keep sealed, public address equipment's sound outlet is linked together with loudspeaker, baffle and public address hole through the inside setting of loudspeaker can amplify the sound that public address equipment sent, make things convenient for teaching in-process student to hear clearly.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the fixing box of the present invention;
FIG. 3 is a schematic view of the internal structure of the mounting box of the present invention;
fig. 4 is a schematic diagram of the structure of the reflecting plate of the present invention.
In the figure, a mounting plate-1, a fixed box-2, a chute-3, a mounting box-4, a horn-5, a reflecting plate-6, an elastic sheet-7, a mounting groove-8, a cover plate-9, an adjusting rod-10, a motor-11, a screw-12, a sliding block-13, a spring column-14, a clamping plate-15, a cushion pad-16, a heat dissipation hole-17, a cushion column-18, a supporting plate-19 and a sound amplifying hole-20.
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 sound amplifying apparatus for classroom teaching comprising: mounting plate 1, the surface of mounting plate 1 is equipped with fixed box 2 and fixed box 2 is the rectangle structure setting, the surface of fixed box 2 is equipped with spout 3 and inside is equipped with motor 11, the power take off end of motor 11 is equipped with screw rod 12 and screw rod 12 surface is equipped with sliding block 13, threaded connection between sliding block 13 and screw rod 12 and the side of sliding block 13 are equipped with mounting box 4, mounting box 4 is the rectangle structure setting and inside is equipped with mounting groove 8, the bottom of mounting groove 8 is equipped with buffering post 18 and the upper portion of buffering post 18 is equipped with layer board 19, the both sides of mounting groove 8 are equipped with spring post 14 and the side of spring post 14 is equipped with splint 15, splint 15 passes through the flexible connection between spring post 14 and mounting groove 8, the both sides of mounting box 4 are equipped with regulation pole 10 and adjust the threaded connection between pole 10 and the mounting box 4, adjust the end of pole 10, the front surface of the mounting box 4 is provided with a loudspeaker 5, the loudspeaker 5 is communicated with the mounting groove 8, the inner part of the loudspeaker 5 is provided with an elastic sheet 7, the inner side of the elastic sheet 7 is provided with a reflecting plate 6, the reflecting plate 6 is arranged in a circular structure, the inner surface of the reflecting plate 6 is arranged in an arc structure, the reflecting plate 6 and the elastic sheet 7 are smoothly transited and integrally formed, the fixing box 2 is fixed on the wall surface of a platform or a blackboard through the fixing plate 1, when in use, the sound amplifying equipment is placed into the mounting groove 8 in the mounting box 4, the bottom of the sound amplifying equipment is contacted with the supporting plate 19 and is stretched through the buffer column 18, the stability of the sound amplifying equipment is ensured, meanwhile, the adjusting rods 10 at two sides are rotated to drive the clamping plates 15 at the side surfaces of the sound amplifying equipment to be fixed, the stability of the sound amplifying equipment is ensured, the sound outlet of the sound amplifying equipment is communicated with, the student can clearly listen in the teaching process conveniently.
In a further improvement, as shown in fig. 3: the side of splint 15 is equipped with blotter 16 and blotter 16 adopts the natural rubber material to make, blotter 16 passes through bolt and splint 15 fixed connection, and the setting of blotter 16 reduces the rigid contact between splint 15 and the public address equipment.
In a further improvement, as shown in fig. 3: the bottom of mounting box 4 is equipped with a plurality of sets of louvre 17 and is linked together between louvre 17 and the mounting groove 8, and the setting up of louvre 17 makes things convenient for public address equipment to dispel the heat.
Further improved, as shown in fig. 1: the inner side of the upper part of the mounting box 4 is provided with a cover plate 9, the cover plate 9 is in sliding connection with the mounting box 4, the cover plate 9 covers the opening of the mounting groove 8, and the cover plate 9 on the upper part is pulled to keep the inside of the mounting box 4 sealed.
Further improved, as shown in fig. 4: the inside of reflecting plate 6 is equipped with a plurality of groups public address hole 20 and public address hole 20 evenly distributed inside reflecting plate 6, and the setting up of public address hole 20 can be gathered together the sound wave, evenly emits, has guaranteed the definition of sound, and has certain public address function.
The utility model discloses a fixed plate 1 is fixed box 2 on the wall of podium or blackboard, during the use, put into mounting box 4 inside mounting groove 8 with public address equipment, its bottom and 19 contacts with the layer board, and it is flexible through buffering post 18, public address equipment's stability has been guaranteed, it fixes public address equipment to rotate the splint 15 that the regulation pole 10 of both sides drove its side simultaneously, public address equipment's stability has been guaranteed, public address equipment's sound outlet is linked together with loudspeaker, baffle 6 and public address hole 20 through 5 inside settings of loudspeaker can amplify the sound that public address equipment sent, it can be clearly heard to make things convenient for the in-process student of imparting knowledge to students.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a public address equipment for classroom teaching which characterized in that: the method comprises the following steps: mounting panel (1), the surface of mounting panel (1) is equipped with fixed box (2) and fixed box (2) is the rectangle structure setting, the surface of fixed box (2) is equipped with spout (3) and inside is equipped with motor (11), the power take off end of motor (11) is equipped with screw rod (12) and screw rod (12) surface is equipped with sliding block (13), threaded connection and the side of sliding block (13) are equipped with mounting box (4) between sliding block (13) and screw rod (12), mounting box (4) are the rectangle structure setting and inside is equipped with mounting groove (8), the bottom of mounting groove (8) is equipped with buffering post (18) and the upper portion of buffering post (18) is equipped with layer board (19), the both sides of mounting groove (8) are equipped with spring post (14) and the side of spring post (14) is equipped with splint (15), splint (15) are through flexible connection between spring post (14) and mounting groove (8), the utility model discloses a loudspeaker support structure, including mounting box (4), the both sides of mounting box (4) are equipped with regulation pole (10) and adjust threaded connection between pole (10) and mounting box (4), be connected and the rotation each other between the end of adjusting pole (10) and splint (15), the front surface of mounting box (4) is equipped with between loudspeaker (5) and mounting groove (8) and is linked together, the inboard that the inside of loudspeaker (5) was equipped with flexure strip (7) and flexure strip (7) is equipped with reflecting plate (6), reflecting plate (6) are circular structure setting and the internal surface is the setting of arc structure, smooth transition integrated into one piece between reflecting plate (6) and flexure strip (7).
2. A sound reproducing apparatus for classroom teaching as claimed in claim 1, wherein: the side of splint (15) is equipped with blotter (16) and blotter (16) adopt the natural rubber material to make, blotter (16) pass through bolt and splint (15) fixed connection.
3. A sound reproducing apparatus for classroom teaching as claimed in claim 1, wherein: the bottom of the mounting box (4) is provided with a plurality of groups of radiating holes (17), and the radiating holes (17) are communicated with the mounting groove (8).
4. A sound reproducing apparatus for classroom teaching as claimed in claim 3, wherein: the upper portion inboard of mounting box (4) is equipped with apron (9) and sliding connection between mounting box (4), apron (9) cover the opening part at mounting groove (8).
5. A sound reproducing apparatus for classroom teaching as claimed in claim 1, wherein: the interior of the reflecting plate (6) is provided with a plurality of groups of sound amplifying holes (20), and the sound amplifying holes (20) are uniformly distributed in the reflecting plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021326058.2U CN213426481U (en) | 2020-07-08 | 2020-07-08 | A public address equipment for classroom teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021326058.2U CN213426481U (en) | 2020-07-08 | 2020-07-08 | A public address equipment for classroom teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213426481U true CN213426481U (en) | 2021-06-11 |
Family
ID=76253802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021326058.2U Expired - Fee Related CN213426481U (en) | 2020-07-08 | 2020-07-08 | A public address equipment for classroom teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213426481U (en) |
-
2020
- 2020-07-08 CN CN202021326058.2U patent/CN213426481U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210611 |