CN114023114A - Portable public address set of multimedia teaching platform - Google Patents
Portable public address set of multimedia teaching platform Download PDFInfo
- Publication number
- CN114023114A CN114023114A CN202111207489.6A CN202111207489A CN114023114A CN 114023114 A CN114023114 A CN 114023114A CN 202111207489 A CN202111207489 A CN 202111207489A CN 114023114 A CN114023114 A CN 114023114A
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- China
- Prior art keywords
- base
- loudspeaker
- multimedia teaching
- public address
- teaching platform
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000002457 bidirectional effect Effects 0.000 claims description 12
- 238000001125 extrusion Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 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
- 230000008859 change Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/04—Electrically-operated educational appliances with audible presentation of the material to be studied
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/026—Supports for loudspeaker casings
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The invention provides a portable sound amplifying device of a multimedia teaching platform, which relates to the technical field of multimedia teaching and comprises a base and a limiting mechanism, wherein a convex block is fixedly arranged on the back surface of the base, a thick plate is fixedly arranged on the top surface of the convex block, a thin plate penetrates through the top end of the thick plate, a pull handle is fixedly arranged at one end, far away from the thick plate, of the thin plate, and a sound amplifier is arranged at the position, close to the center, of the top surface of the base. The loudspeaker can be conveniently pushed to move through the arranged pull handle, meanwhile, a teacher can freely adjust the height of the pull handle according to the self requirement, the use experience is effectively improved, the practicability is high, the loudspeaker can play a role in amplifying through the arranged loudspeaker, the teaching quality is guaranteed, meanwhile, when the loudspeaker is idle, the loudspeaker can be taken down to be properly stored, and meanwhile, after the loudspeaker is damaged, the loudspeaker can be conveniently taken down to be replaced.
Description
Technical Field
The invention relates to the technical field of multimedia teaching, in particular to a portable sound amplification device of a multimedia teaching platform.
Background
In the multimedia teaching in-process, generally adopt the ladder classroom to teach, but because the ladder classroom is great, often need public address set to carry out the public address, thereby make things convenient for teacher's teaching, but present portable public address set is when the in-service use, because teacher's height differs, when promoting portable public address set, the higher often needs stoop of height, and the shorter then need tip on the tiptoe of height, influenced normal use, the practicality is relatively poor, need improve.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a portable public address device of a multimedia teaching platform.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a portable public address set of multimedia teaching platform, includes base and stop gear, the back fixed mounting of base has the lug, the top surface fixed mounting of lug has thick board, the top of thick board is run through and is provided with the sheet metal, the one end that thick board was kept away from to the sheet metal is equipped with admittedly and draws the handle, the top surface of base is close to central point and puts the department and has placed the megaphone, the top surface of base is provided with installation mechanism and protection machanism.
In order to move the loudspeaker conveniently, the invention has the improvement that the bottom surface of the base is rotatably connected with universal wheels, and the universal wheels are uniformly distributed at four corners of the bottom surface of the base.
In order to quickly limit the thin plate, the invention improves that the limiting mechanism comprises a short rod, the short rod is fixedly arranged on the surface of the thick plate, a short block is fixedly arranged at one end of the short rod, an inserting rod penetrates through the side surface of the short block, the inserting rod is connected with the short block in a sliding manner, a control handle is fixedly arranged at one end of the inserting rod, a tension spring is sleeved at the position, close to the control handle, of the surface of the inserting rod, and a round hole is formed in the surface of the thin plate.
In order to insert the inserted rod smoothly, the invention improves that the round holes are arranged on the surface of the thin plate at equal intervals, and the size of the round holes is the same as that of the inserted rod.
In order to conveniently limit the pull handle, the invention is improved in that one end of the tension spring is fixedly connected with the control handle, and the other end of the tension spring is fixedly connected with the short block.
In order to conveniently disassemble the loudspeaker, the loudspeaker is improved in the invention that the mounting mechanism comprises a groove, the groove is formed in the top surface of the base, a sliding groove is formed in the inner wall of the groove, the inner wall of the sliding groove is connected with the extrusion plate in a sliding mode, and the inner wall of the groove is rotatably connected with the bidirectional screw rod.
In order to stabilize the loudspeaker, the loudspeaker is improved in that a rotating handle is fixedly mounted at one end of a bidirectional screw rod, forward threads are formed in the position, close to one end, of the outer surface of the bidirectional screw rod, reverse threads are formed in the position, close to the other end, of the outer surface of the bidirectional screw rod, forward threads are formed in the inner portion of an extrusion plate, and the number of the extrusion plates is two.
In order to protect the loudspeaker, the loudspeaker protection device is improved in that the protection mechanism comprises a magic tape A, the magic tape A is fixedly installed on the top surface of the base, a magic tape B is arranged on the top surface of the magic tape A, a placing plate is fixedly installed on the top surface of the magic tape B, and the placing plate is made of natural rubber.
Compared with the prior art, the invention has the advantages and positive effects that,
1. the loudspeaker can be conveniently pushed to move through the arranged pull handle, and meanwhile, a teacher can freely adjust the height of the pull handle according to the self requirement, so that the use experience is effectively improved, the practicability is higher, and the progress is remarkable.
2. The loudspeaker can be used for playing a sound amplifying effect, the teaching quality is guaranteed, meanwhile, when the loudspeaker is idle, the loudspeaker can be taken down for proper storage, and meanwhile, after the loudspeaker is damaged, the loudspeaker can be conveniently taken down for replacement, and the loudspeaker is beneficial to actual use.
3. In the invention, when the loudspeaker is actually used, the bottom surface of the loudspeaker can be effectively protected from being abraded through the arranged placing plate, and meanwhile, the loudspeaker can be buffered through the deformation of the placing plate if shaking occurs in the moving process of the base, so that the loudspeaker is prevented from being damaged by shaking, the service life of the loudspeaker is prolonged, the practicability is higher, and the progress is obvious.
Drawings
FIG. 1 is a front view of a portable audio amplifier of a multimedia teaching platform according to the present invention;
FIG. 2 is a side view of a portable audio amplifier device for a multimedia teaching platform according to the present invention;
FIG. 3 is an enlarged view of the portable audio amplifier of the multimedia teaching platform shown in FIG. 2;
FIG. 4 is a top view of a portable audio amplifier device of a multimedia teaching platform according to the present invention;
FIG. 5 is an enlarged view of the portable audio amplifier of the multimedia teaching platform shown in FIG. 4;
FIG. 6 is an exploded view of a protection mechanism in a portable audio amplifier of a multimedia teaching platform according to the present invention;
fig. 7 is a bottom view of a protection mechanism in a portable audio amplifier of a multimedia teaching platform according to the present invention.
Illustration of the drawings:
1. a base; 2. a bump; 3. coarse plates; 4. a thin plate; 5. pulling a handle; 6. a loudspeaker; 7. a short bar; 8. short blocks; 9. inserting a rod; 10. a control handle; 11. a tension spring; 12. a circular hole; 13. a groove; 14. a chute; 15. a pressing plate; 16. a bidirectional screw rod; 17. turning a handle; 18. magic tape A; 19. a magic tape B; 20. placing the plate.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a portable public address set of multimedia teaching platform, including base 1 and stop gear, base 1's back fixed mounting has lug 2, the top surface fixed mounting of lug 2 has thick board 3, the top of thick board 3 is run through and is provided with sheet metal 4, the one end that thick board 3 was kept away from to sheet metal 4 is equipped with admittedly and draws 5, base 1's top surface is close to central point and puts the department and has placed megaphone 6, base 1's top surface is provided with installation mechanism and protection mechanism, draw through the setting and 6 movements of promotion megaphone 5 that can be convenient 5, the teacher can also be according to the needs of self simultaneously, the regulation that comes freely draws 5's height, the effectual use experience that has improved.
Installation mechanism includes recess 13, the top surface at base 1 is seted up to recess 13, spout 14 has been seted up to recess 13's inner wall, the inner wall sliding connection of spout 14 has stripper plate 15, recess 13's inner wall rotates and is connected with two-way lead screw 16, the effect of public address can be played through the megaphone 6 that sets up, the quality of teaching has been guaranteed, simultaneously when megaphone 6 is idle, can also take off megaphone 6 and keep properly, damage the back at megaphone 6 simultaneously, also can be convenient take off megaphone 6 and change.
The one end of two-way lead screw 16 is equipped with admittedly and changes 17, the surface of two-way lead screw 16 is close to one end position department and has seted up forward screw, the surface of two-way lead screw 16 is close to other end position department and has seted up reverse screw, forward screw has been seted up to stripper plate 15's inside, the quantity of stripper plate 15 is two sets of, when installing megaphone 6, the staff only need place megaphone 6 on base 1, rotate later and change 17, at this moment, it rotates to change 17 and drive two-way lead screw 16, at this moment because two-way lead screw 16 both ends screw is opposite, two-way lead screw 16 can drive two sets of stripper plate 15 and move in opposite directions, at this moment stripper plate 15 extrudes megaphone 6, can fix megaphone 6 this moment, and when needing to take off megaphone 6, the staff only need rotate to opposite direction and change 17 and can take off megaphone 6.
Protection mechanism includes magic subsides A18, magic subsides A18 fixed mounting is at base 1's top surface, magic subsides A18's top surface is provided with magic subsides B19, magic subsides B19's top surface is equipped with admittedly and places board 20, the material of placing board 20 is natural rubber, the bottom surface that places board 20 through the setting can effectual protection megaphone 6 is not worn and torn, simultaneously because it is comparatively soft to place board 20 material, can play the function of buffering megaphone 6, in-process at base 1 removal like this, if meet and rock, just can cushion through the deformation of placing board 20 self, and then avoid megaphone 6 to be shaken badly, the life of megaphone 6 has been prolonged.
The bottom surface of base 1 rotates and is connected with the universal wheel, and removal base 1 that can be convenient through the universal wheel does benefit to actual use, and universal wheel evenly distributed in the bottom surface four corners of base 1.
The limiting mechanism comprises a short rod 7, the short rod 7 is fixedly arranged on the surface of the thick plate 3, a short block 8 is fixedly arranged at one end of the short rod 7, an inserting rod 9 penetrates through the side face of the short block 8, the inserting rod 9 is in sliding connection with the short block 8, a control handle 10 is fixedly arranged at one end of the inserting rod 9, a tension spring 11 is sleeved on the position, close to the control handle 10, of the surface of the inserting rod 9, one end of the tension spring 11 is fixedly connected with the control handle 10, the other end of the tension spring 11 is fixedly connected with the short block 8, round holes 12 are formed in the surface of the thin plate 4, the round holes 12 are arranged at equal intervals on the surface of the thin plate 4, the round holes 12 are the same as the inserting rod 9 in size, when the limiting mechanism is used, the base 1 can be moved by pushing the pull handle 5, the loudspeaker 6 can be moved, the loudspeaker 6 can play a role of amplifying, teaching convenience is achieved, and when a teacher needs to adjust the height of the pull handle 5, the control handle 10 is pulled outwards firstly, at this moment, the control handle 10 drives the inserted bar 9 to leave the round hole 12, at this moment, the limit is released, then the pull handle 5 can be pulled upwards, at this moment, the pull handle 5 drives the thin plate 4 to slide in the thick plate 3, at this moment, the height of the pull handle 5 can be adjusted, after the adjustment is completed, only the control handle 10 needs to be loosened, at this moment, due to the tensile force of the tension spring 11, the tension spring 11 pulls the control handle 10 to move, the control handle 10 then drives the inserted bar 9 to be inserted into the round hole 12, at this moment, the limit pull handle 5 can be pulled, and at this moment, the adjustment of the pull handle 5 is completed.
The working principle is as follows: when the device is used, the base 1 can be moved by pushing the pull handle 5, the loudspeaker 6 can be moved, the loudspeaker 6 can play a sound amplifying function, and therefore a teacher can conveniently teach, when the height of the pull handle 5 needs to be adjusted, the control handle 10 is pulled outwards firstly, the control handle 10 drives the insertion rod 9 to leave the round hole 12, the limit is released, the pull handle 5 can be pulled upwards, the pull handle 5 drives the thin plate 4 to slide in the thick plate 3, the height of the pull handle 5 can be adjusted, after the adjustment is completed, the control handle 10 only needs to be loosened, at the moment, due to the tensile force of the tension spring 11, the tension spring 11 pulls the control handle 10 to move, the control handle 10 drives the insertion rod 9 to be inserted into the round hole 12, the pull handle 5 can be limited, the pull handle 5 is adjusted, the push handle 5 can conveniently move, and the teacher can also move the loudspeaker according to own needs, the height of the pull handle 5 can be freely adjusted, the use experience is effectively improved, when the loudspeaker 6 is installed, a worker only needs to place the loudspeaker 6 on the base 1, then the rotating handle 17 is rotated, at the same time, the rotating handle 17 drives the bidirectional screw rod 16 to rotate, at the same time, because the threads at the two ends of the bidirectional screw rod 16 are opposite, the bidirectional screw rod 16 can drive the two groups of extrusion plates 15 to move oppositely, at the same time, the extrusion plates 15 extrude the loudspeaker 6, at the same time, the loudspeaker 6 can be fixed, when the loudspeaker 6 needs to be taken down, the worker only needs to rotate the rotating handle 17 in the opposite direction to take down the loudspeaker 6, the loudspeaker 6 can be taken down to play a sound amplifying effect through the arranged loudspeaker 6, the teaching quality is ensured, at the same time, when the loudspeaker 6 is idle, the loudspeaker 6 can be taken down to be properly kept, and at the same time, after the loudspeaker 6 is damaged, the loudspeaker 6 can be conveniently taken down to be replaced, through the setting place the bottom surface that board 20 can effectual protection megaphone 6 not worn and torn, simultaneously owing to place the board 20 material comparatively soft, can play buffering megaphone 6's function, like this at the in-process that base 1 removed, if meet and rock, just can cushion through the deformation of placing board 20 self, and then avoid megaphone 6 to be shaken badly, prolonged megaphone 6's life, the practicality is higher.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (8)
1. The utility model provides a portable public address set of multimedia teaching platform, includes base (1) and stop gear, its characterized in that: the back fixed mounting of base (1) has lug (2), the top surface fixed mounting of lug (2) has thick board (3), the top of thick board (3) is run through and is provided with sheet metal (4), the one end that thick board (3) were kept away from in sheet metal (4) is equipped with admittedly and draws handle (5), loudspeaker (6) have been placed near central point department of putting to the top surface of base (1), the top surface of base (1) is provided with installation mechanism and protection machanism.
2. The portable public address set of multimedia teaching platform of claim 1, wherein: the bottom surface of base (1) rotates and is connected with the universal wheel, and universal wheel evenly distributed in the bottom surface four corners of base (1).
3. The portable public address set of multimedia teaching platform of claim 1, wherein: stop gear includes stub (7), stub (7) fixed mounting is on the surface of thick board (3), stub (8) is equipped with admittedly to the one end of stub (7), the side of stub (8) is run through and is provided with inserted bar (9), sliding connection between inserted bar (9) and stub (8), the one end fixed mounting of inserted bar (9) has control (10), the surface of inserted bar (9) is close to control and is located the cover to be equipped with extension spring (11) to (10) position, round hole (12) have been seted up on the surface of sheet metal (4).
4. The portable public address set of multimedia teaching platform of claim 3, wherein: the round holes (12) are arranged on the surface of the thin plate (4) at equal intervals, and the round holes (12) are the same as the inserted rods (9) in size.
5. The portable public address set of multimedia teaching platform of claim 3, wherein: one end of the tension spring (11) is fixedly connected with the control handle (10), and the other end of the tension spring (11) is fixedly connected with the short block (8).
6. The portable public address set of multimedia teaching platform of claim 1, wherein: installation mechanism includes recess (13), the top surface at base (1) is seted up in recess (13), spout (14) have been seted up to the inner wall of recess (13), the inner wall sliding connection of spout (14) has stripper plate (15), the inner wall of recess (13) rotates and is connected with two-way lead screw (16).
7. The portable public address set of multimedia teaching platform of claim 6, wherein: the bidirectional screw rod mechanism is characterized in that a rotating handle (17) is fixedly arranged at one end of the bidirectional screw rod (16), a forward thread is arranged at a position, close to one end, of the outer surface of the bidirectional screw rod (16), a reverse thread is arranged at a position, close to the other end, of the outer surface of the bidirectional screw rod (16), a forward thread is arranged inside the extrusion plate (15), and the number of the extrusion plates (15) is two.
8. The portable public address set of multimedia teaching platform of claim 1, wherein: protection mechanism includes magic subsides A (18), magic subsides A (18) fixed mounting is at the top surface of base (1), the top surface of magic subsides A (18) is provided with magic subsides B (19), the top surface of magic subsides B (19) is equipped with admittedly and places board (20), the material of placing board (20) is natural rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111207489.6A CN114023114A (en) | 2021-10-13 | 2021-10-13 | Portable public address set of multimedia teaching platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111207489.6A CN114023114A (en) | 2021-10-13 | 2021-10-13 | Portable public address set of multimedia teaching platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114023114A true CN114023114A (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111207489.6A Pending CN114023114A (en) | 2021-10-13 | 2021-10-13 | Portable public address set of multimedia teaching platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114023114A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209448892U (en) * | 2019-04-17 | 2019-09-27 | 咸阳师范学院 | A kind of portable public address set |
| CN210053577U (en) * | 2019-09-02 | 2020-02-11 | 淮安信息职业技术学院 | Portable public address set for teaching |
| CN211044541U (en) * | 2019-12-31 | 2020-07-17 | 湖南文理学院 | English teaching is with culture display device |
| CN211380323U (en) * | 2019-12-25 | 2020-09-01 | 陇南师范高等专科学校 | Storage device of english teaching aid |
| CN213693735U (en) * | 2020-11-24 | 2021-07-13 | 阜新宏途科技工程有限公司 | Device for monitoring internet data |
-
2021
- 2021-10-13 CN CN202111207489.6A patent/CN114023114A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209448892U (en) * | 2019-04-17 | 2019-09-27 | 咸阳师范学院 | A kind of portable public address set |
| CN210053577U (en) * | 2019-09-02 | 2020-02-11 | 淮安信息职业技术学院 | Portable public address set for teaching |
| CN211380323U (en) * | 2019-12-25 | 2020-09-01 | 陇南师范高等专科学校 | Storage device of english teaching aid |
| CN211044541U (en) * | 2019-12-31 | 2020-07-17 | 湖南文理学院 | English teaching is with culture display device |
| CN213693735U (en) * | 2020-11-24 | 2021-07-13 | 阜新宏途科技工程有限公司 | Device for monitoring internet data |
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Application publication date: 20220208 |
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