CN114222233A - A multi-functional public address set for teaching - Google Patents
A multi-functional public address set for teaching Download PDFInfo
- Publication number
- CN114222233A CN114222233A CN202210155230.XA CN202210155230A CN114222233A CN 114222233 A CN114222233 A CN 114222233A CN 202210155230 A CN202210155230 A CN 202210155230A CN 114222233 A CN114222233 A CN 114222233A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- sound
- teaching
- plate
- fixed plate
- Prior art date
- 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.)
- Granted
Links
- 238000013016 damping Methods 0.000 claims abstract description 32
- 239000000428 dust Substances 0.000 claims description 50
- 238000010521 absorption reaction Methods 0.000 claims description 23
- 239000007787 solid Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 16
- 230000000694 effects Effects 0.000 description 13
- 238000009434 installation Methods 0.000 description 7
- 230000035939 shock Effects 0.000 description 6
- 230000003321 amplification Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R27/00—Public address systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D49/00—Separating dispersed particles from gases, air or vapours by other methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
-
- 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
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
- H04R1/2892—Mountings or supports for transducers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The invention provides a multifunctional sound amplifying device for teaching, which comprises a base, a bottom end supporting plate and a sound amplifier body, wherein the top of the base is fixedly connected with a supporting column, the outer wall of the supporting column is fixedly connected with a fixed plate, the bottom of the fixed plate is fixedly connected with an elastic suspender, one end of the elastic suspender is fixedly connected with a mounting plate, the sound amplifier body is fixedly connected to one side of the mounting plate, which is far away from the fixed plate, one side of the bottom end supporting plate is fixedly connected with a plurality of damping springs at equal intervals, one end of each damping spring, which is close to the sound amplifier body, is fixedly connected with a damping head, the periphery of each damping spring is movably connected with a limiting sleeve, a plurality of auxiliary springs are uniformly arranged on each limiting sleeve in the circumferential direction, and each auxiliary damping head is fixedly connected to each auxiliary spring. The invention can improve the sound definition of the loudspeaker body in the working process, ensure that students positioned at all positions of a classroom can clearly hear the content spoken by a teacher, and improve the use value of the loudspeaker device.
Description
Technical Field
The invention relates to the technical field of teaching aids, in particular to a multifunctional sound amplifying device for teaching.
Background
Teaching is a human-specific talent training activity consisting of teacher's teaching and student's learning. Through the activities, teachers purposefully, programmatically and organically guide students to learn and master cultural scientific knowledge and skills, and promote the improvement of the qualities of the students, so that the students become people required by the society. In the teaching process, because the classroom area is great, in order to improve the propagation degree of the sound of the teacher, the speaking volume of the teacher is generally enlarged through a public address set, so that students in all positions in the classroom can clearly hear the sound.
Current public address set for teaching is in the use, the megaphone carries out the in-process that enlargies to sound, megaphone inner assembly can produce great degree vibrations in the course of the work, this vibrations can drive the megaphone amplitude of appearing, thereby lead to the sound of enlarging out to have vibrato, the sound amplification effect that leads to the megaphone is relatively poor, the noise that vibrations produced mixes with the sound of enlargiing, can let the student can only hear sound, but can not be clear identify sound, lead to the propagation degree of the content that the mr said still not enough, the use value of this public address set for teaching has been reduced. Therefore, the invention provides a multifunctional public address device for teaching.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a multifunctional sound amplifying device for teaching, which solves the defects and shortcomings in the prior art.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the invention provides a multifunctional sound amplifying device for teaching, which comprises a base, a bottom end support plate and a sound amplifier body, wherein the top of the base is fixedly connected with a support column, the outer wall of the support column is fixedly connected with a fixed plate, the bottom of the fixed plate is fixedly connected with an elastic suspender, one end of the elastic suspender, which is far away from the fixed plate, is fixedly connected with a mounting plate, one side of the mounting plate, which is close to the fixed plate, is circumferentially and uniformly hinged with a plurality of telescopic rods, the telescopic rods are connected between the fixed plate and the mounting plate, the sound amplifier body is fixedly connected to one side of the mounting plate, which is far away from the fixed plate, the outer wall of the sound amplifier body is equidistantly provided with a plurality of holes, the bottom end support plate is connected to the sound amplifier support column, the bottom end support plate is arranged below the sound amplifier body, one side of the bottom end support plate, which is close to the sound amplifier body, is equidistantly and fixedly connected with a plurality of shock absorption springs, every damping spring is close to the equal fixedly connected with damping head of one end of megaphone body, and is a plurality of the damping head contacts with the bottom of megaphone body, every the equal swing joint in damping spring periphery has limit sleeve, every the equal fixedly connected with bracing piece in limit sleeve bottom, every the equal fixed connection of bracing piece is in the bottom sprag board, every one side circumference that limit sleeve is close to the megaphone body evenly is provided with a plurality of auxiliary spring, and the equal fixedly connected with of one side that every auxiliary spring is close to the megaphone body assists the damping head.
As a further scheme of the invention, a fixing ring is sleeved on the outer wall of the supporting column, and the bottom supporting plate is fixedly connected to the outer wall of the fixing ring.
As a further scheme of the invention, two side frames are symmetrically and fixedly connected to the fixing plate, a plurality of limiting rods are vertically and fixedly connected to the sides, close to each other, of the two side frames at equal distances, one end, close to the loudspeaker body, of each limiting rod is fixedly connected with a limiting head, and each limiting head is in contact with the outer wall of the loudspeaker body.
As a further scheme of the present invention, a plurality of sound guiding covers are disposed on one side of the loudspeaker body, where the sound diffusing hole is formed, and each sound guiding cover is covered on the sound diffusing hole.
As a further scheme of the invention, one side of each sound guide cover, which is far away from the sound expansion hole, is fixedly connected with a telescopic sound guide pipe, and one end of each telescopic sound guide pipe, which is far away from the sound guide cover, is fixedly connected with the sound expansion cover.
As a further scheme of the invention, a plurality of first fixing blocks are uniformly and fixedly connected to the outer wall of the sound guide cover in the circumferential direction, a plurality of second fixing blocks are uniformly arranged on the outer wall of the telescopic sound guide pipe in the circumferential direction, the first fixing blocks and the second fixing blocks are identical in number and correspond to each other one by one, and a hydraulic cylinder is connected between each group of first fixing blocks and each group of second fixing blocks.
As a further scheme of the invention, a mounting frame is fixedly connected to the fixed plate, a dust suction pump is fixedly connected to the top of the mounting frame, a dust suction plate is fixedly connected to the bottom of the mounting frame, a plurality of dust suction holes are uniformly formed in the outer wall of the dust suction plate, which is close to the loudspeaker body, and the dust suction end of the dust suction pump is connected to the inside of the dust suction plate through a pipeline.
As a further scheme of the invention, two connecting rods are symmetrically and fixedly connected to two sides of the dust collection plate, an installation frame is fixedly connected between the two connecting rods, and a plurality of adhesive plates are arranged in the installation frame in a layered mode.
As a further scheme of the invention, one side of the fixing plate, which is far away from the mounting plate, is fixedly connected with a supporting arc plate, one side of the supporting arc plate, which is far away from the fixing plate, is fixedly connected with an extending protection plate, one side of the extending protection plate, which is connected with the supporting arc plate, is fixedly connected with a protection arc plate, and the outer wall of the top of the protection arc plate is equidistantly provided with a plurality of flow guide round rods.
The beneficial effects of the invention are as follows:
1. when the loudspeaker body is installed, the installation plate is hung through the elastic suspension rod, the telescopic rods distributed annularly on the outer side limit the loudspeaker body to prevent the loudspeaker body from shaking, then the loudspeaker body is placed above the damping heads below the loudspeaker body, and in the working process of the loudspeaker body, the vibration is weakened through the damping springs below the damping heads, so that the interference of vibration noise on the lecture content of a teacher is reduced; simultaneously, when megaphone body vibration amplitude increased, then the elastic boom stretched passively, the megaphone body contacted with the supplementary shock attenuation head that shock attenuation head outside annular distributes, carries out dual shock attenuation through damping spring and auxiliary spring to the megaphone body, ensures that its vibration noise will be minimum, improves the sound definition in this megaphone body working process, ensures that the student that is located each position in classroom all can be clear hear the content that the mr said, improves this public address set's use value.
2. When using this megaphone body, can stretch out and draw back the regulation of leading note pipe according to the size of the actual area in classroom, drive flexible leading note pipe through adjusting the pneumatic cylinder and stretch out and draw back, transmit sound to each position in classroom through leading note cover and expanding note cover then, flexible leading note pipe reduces the loss of volume, improves sound transmission effect, improves this public address device's public address effect, improves teaching effect then.
3. In the idle process of the loudspeaker body, the dust suction pump is started regularly, and absorbs dust on the outer side of the loudspeaker body through each dust suction hole on the dust suction plate, so that the dust is prevented from falling into the sound expansion hole on the loudspeaker body, and the sound definition of the loudspeaker in the use process is ensured; simultaneously, the dust absorption pump adsorbs the dust with the absorbent in-process of dust, and the sticky board that distributes through the inside level of installing frame prevents that the dust from causing secondary pollution to the megaphone body, and in the megaphone body working process, the audio frequency of its outside transmission can avoid the dust to get into the sound amplification hole, makes this megaphone body can not receive the pollution of dust through this dustproof subassembly, improves its public address effect.
4. In the working process of the loudspeaker body, the top end of the loudspeaker body is protected by the protective arc plate and the extension protective plate, so that the loudspeaker device is not damaged by falling objects in the air when the loudspeaker device is used in an open air environment, and the loudspeaker device can be used in different environments; simultaneously, the water conservancy diversion pole on protection arc board top plays the effect of direction to the overhead object that weighs down, further improves this public address set security of using under open-air environment, improves this public address set's multifunctionality.
Drawings
Fig. 1 is a schematic overall structure diagram of a multifunctional sound amplifying device for teaching according to the present invention;
FIG. 2 is a partial structural side view of a multifunctional audio amplifier for teaching according to the present invention;
FIG. 3 is a schematic view of a shock-absorbing assembly of a multifunctional audio amplifier for teaching according to the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 of a multi-functional audio amplifier for teaching according to the present invention;
FIG. 5 is a schematic view of a sound guiding assembly of a multifunctional audio amplifier for teaching according to the present invention;
FIG. 6 is a schematic view of a dustproof assembly of the multifunctional audio amplifying device for teaching according to the present invention;
fig. 7 is a schematic diagram of a protection assembly of a multifunctional audio amplifier for teaching according to the present invention.
In the figure: 1. a base; 2. a bottom end support plate; 3. a telescopic sound guide tube; 4. a sound amplification cover; 5. a dust collection plate; 6. a protective arc plate; 7. an extension guard plate; 8. a loudspeaker body; 9. a side frame; 10. a fixing ring; 11. a limiting rod; 12. a support pillar; 13. a flow guiding round bar; 14. a limiting head; 15. a limiting sleeve; 16. a fixing plate; 17. a telescopic rod; 18. an elastic boom; 19. mounting a plate; 20. a sound expansion hole; 21. a shock absorbing head; 22. a support bar; 23. a damping spring; 24. an auxiliary spring; 25. an auxiliary shock absorption head; 26. a sound guide cover; 27. a first fixed block; 28. a hydraulic cylinder; 29. a second fixed block; 30. a dust suction pump; 31. a mounting frame; 32. a connecting rod; 33. sticking the plate; 34. installing a frame; 35. a dust collection hole; 36. and supporting the arc plate.
Detailed Description
The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings and the detailed description, so as to clearly and completely describe the technical solution of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
as shown in FIGS. 1-7, the invention provides a multifunctional sound amplifying device for teaching, comprising a base 1, a bottom end support plate 2 and a sound amplifier body 8, wherein the top of the base 1 is fixedly connected with a support column 12, the outer wall of the support column 12 is fixedly connected with a fixed plate 16, the bottom of the fixed plate 16 is fixedly connected with an elastic suspender 18, one end of the elastic suspender 18 far away from the fixed plate 16 is fixedly connected with a mounting plate 19, one side of the mounting plate 19 near the fixed plate 16 is circumferentially and uniformly hinged with a plurality of telescopic rods 17, the plurality of telescopic rods 17 are connected between the fixed plate 16 and the mounting plate 19, the sound amplifier body 8 is fixedly connected with one side of the mounting plate 19 far away from the fixed plate 16, the outer wall of the sound amplifier body 8 is equidistantly provided with a plurality of sound amplifying holes 20, the bottom end support plate 2 is connected with the support column 12, the bottom end support plate 2 is arranged below the sound amplifier body 8, a plurality of damping spring 23 of one side equidistance fixedly connected with that bottom sprag board 2 is close to megaphone body 8, every damping spring 23 is close to the equal fixedly connected with damping head 21 of one end of megaphone body 8, a plurality of damping heads 21 contact with the bottom of megaphone body 8, the equal swing joint in every damping spring 23 periphery has stop sleeve 15, the equal fixedly connected with bracing piece 22 in every stop sleeve 15 bottom, the equal fixed connection of every bracing piece 22 is on bottom sprag board 2, one side circumference that every stop sleeve 15 is close to megaphone body 8 evenly is provided with a plurality of auxiliary spring 24, every auxiliary spring 24 is close to the equal fixedly connected with auxiliary damping head 25 in one side of megaphone body 8.
Through the technical scheme, when the loudspeaker body 8 is installed, the loudspeaker body 8 is installed below the installation plate 19, the installation plate 19 is hung through the elastic suspension rod 18, the telescopic rods 17 distributed annularly on the outer side limit the loudspeaker body 8 to prevent the loudspeaker body 8 from shaking, then the loudspeaker body 8 is placed above the damping heads 21 below the loudspeaker body 8, in the working process of the loudspeaker body 8, the vibration is weakened through the damping springs 23 below the damping heads 21, so that the interference of vibration noise on the lecture content of a teacher is reduced, meanwhile, when the vibration amplitude of the loudspeaker body 8 is increased, the elastic suspension rod 18 is stretched dynamically, the loudspeaker body 8 is in contact with the auxiliary damping heads 25 distributed annularly on the outer side of the damping heads 21, the loudspeaker body 8 is subjected to double damping through the damping springs 23 and the auxiliary springs 24, and the vibration noise is guaranteed to be lowest, improve the sound definition in this 8 working processes of megaphone body, ensure that the student that is located each position in classroom all can be clear hear the content that the mr said, improve this public address set's use value.
The cover is equipped with solid fixed ring 10 on the outer wall of support column 12, and 2 fixed connection in the outer wall of solid fixed ring 10 of bottom support plate. Adjust spacingly through solid fixed ring 10 to bottom support plate 2 to can guarantee bottom support plate 2's stability.
Two side frames 9 are symmetrically and fixedly connected to the fixing plate 16, a plurality of limiting rods 11 are vertically and fixedly connected to one side, close to the two side frames 9, of the same distance, one end, close to the loudspeaker body 8, of each limiting rod 11 is fixedly connected with a limiting head 14, and each limiting head 14 is in contact with the outer wall of the loudspeaker body 8. Carry on spacingly to the lateral wall of megaphone body 8 through setting up a plurality of spacing heads 14 on gag lever post 11, the noise reduction improves the clarity of sound.
A plurality of sound guide covers 26 are arranged on one side of the loudspeaker body 8, which is provided with the sound expansion hole 20, and each sound guide cover 26 is covered on the sound expansion hole 20.
One side of each sound guide cover 26 far away from the sound diffusion hole 20 is fixedly connected with a telescopic sound guide pipe 3, and one end of the telescopic sound guide pipe 3 far away from the sound guide cover 26 is fixedly connected with a sound diffusion cover 4.
A plurality of fixed blocks 27 are evenly fixedly connected to the outer wall of the sound guide cover 26 in the circumferential direction, a plurality of second fixed blocks 29 are evenly arranged on the outer wall of the telescopic sound guide pipe 3 in the circumferential direction, the first fixed blocks 27 and the second fixed blocks 29 are identical in number and correspond to each other one by one, and a hydraulic cylinder 28 is connected between each first fixed block 27 and each second fixed block 29.
Through the technical scheme, when using this megaphone body 8, can stretch out and draw back the regulation of leading note pipe 3 according to the size of the actual area in classroom, drive flexible leading note pipe 3 through adjusting hydraulic cylinder 28 and stretch out and draw back, transmit sound to each position in classroom through leading note cover 26 and public address cover 4 then, flexible leading note pipe 3 reduces the loss of volume, improves sound transmission effect, improves this public address device's public address effect, then improves teaching effect.
Fixedly connected with mounting bracket 31 on the fixed plate 16, mounting bracket 31 top fixedly connected with dust absorption pump 30, the bottom fixedly connected with dust absorption board 5 of mounting bracket 31, evenly seted up a plurality of dust absorption holes 35 on the outer wall that dust absorption board 5 is close to megaphone body 8, and dust absorption end of dust absorption pump 30 passes through the pipe connection in the inside of dust absorption board 5.
Two connecting rods 32 are symmetrically and fixedly connected to two sides of the dust collection plate 5, an installation frame 34 is fixedly connected between the two connecting rods 32, and a plurality of adhesive plates 33 are arranged in the installation frame 34 in a layered mode.
Through the technical scheme, in the idle in-process of megaphone body 8, regularly start dust absorption pump 30, dust absorption pump 30 absorbs the dust in the 8 outside of megaphone body through each dust absorption hole 35 on the dust absorption board 5, prevent that this part dust from falling into inside the sound expansion hole 20 on megaphone body 8, thereby ensure the sound definition in this megaphone body 8 use, and simultaneously, dust absorption pump 30 adsorbs the in-process with the dust, sticky board 33 through the inside level distribution of installing frame 34 adsorbs the dust, prevent that the dust from leading to the fact secondary pollution to megaphone body 8, among the 8 working process of megaphone body, its outside audio frequency of transmitting can avoid the dust to get into in the sound expansion hole 20, make this megaphone body 8 can not receive the pollution of dust through this dustproof subassembly, improve its public address effect.
One side fixedly connected with that mounting panel 19 was kept away from to fixed plate 16 supports arc plate 36, and one side fixedly connected with that fixed plate 16 was kept away from to support arc plate 36 extends guard plate 7, extends guard plate 7 and is connected with one side fixedly connected with protection arc plate 6 that supports arc plate 36, and the equidistance is equipped with a plurality of water conservancy diversion round bars 13 on the top outer wall of protection arc plate 6.
Through the technical scheme, at the in-process of 8 works of megaphone body, protect loudspeaker body 8's top through protection arc 6 and extension guard plate 7, make this public address set use under open air, also can not appear damaging because of the overhead thing that weighs down, make this public address set can be used for under the different environment, and simultaneously, the water conservancy diversion pole 13 on protection arc 6 tops plays the effect of direction to the overhead thing that weighs down, further improve the security that this public address set used under open air, improve this public address set's multifunctionality.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The utility model provides a multi-functional public address set for teaching, includes base (1), bottom sprag board (2) and megaphone body (8), the top fixedly connected with support column (12) of base (1), its characterized in that: the outer wall fixedly connected with fixed plate (16) of support column (12), the bottom fixedly connected with elasticity jib (18) of fixed plate (16), one end fixedly connected with mounting panel (19) of fixed plate (16) are kept away from in elasticity jib (18), the even hinged joint in one side circumference that mounting panel (19) are close to fixed plate (16) has a plurality of telescopic links (17), and is a plurality of telescopic link (17) are connected between fixed plate (16) and mounting panel (19), and loudspeaker body (8) fixed connection is in one side that fixed plate (16) were kept away from in mounting panel (19), a plurality of bloops (20) have been seted up to the equidistance on the outer wall of loudspeaker body (8), bottom support plate (2) are connected on support column (12), bottom support plate (2) set up in loudspeaker body (8) below, bottom support plate (2) are close to a plurality of damping spring(s) of one side fixedly connected with of loudspeaker body (8) of bottom support plate (2), (a plurality of damping spring) equidistance fixedly connected with (8), (the loudspeaker body (8) are a plurality of equidistance) 23) Every equal fixedly connected with of one end that damping spring (23) are close to megaphone body (8) subtracts vibrating head (21), and is a plurality of the bottom of subtracting vibrating head (21) and megaphone body (8) contacts, every equal swing joint in damping spring (23) periphery has spacing sleeve (15), every equal fixedly connected with bracing piece (22) in spacing sleeve (15) bottom, every equal fixedly connected with of bracing piece (22) is on bottom sprag board (2), every one side circumference that spacing sleeve (15) are close to megaphone body (8) evenly is provided with a plurality of auxiliary spring (24), and equal fixedly connected with in one side that every auxiliary spring (24) are close to megaphone body (8) assists and subtracts vibrating head (25).
2. A multi-functional public address set for teaching as claimed in claim 1, wherein: the cover is equipped with solid fixed ring (10) on the outer wall of support column (12), bottom support plate (2) fixed connection is in the outer wall of solid fixed ring (10).
3. A multi-functional public address set for teaching as claimed in claim 1, wherein: two side bearer (9) of symmetry fixedly connected with on fixed plate (16), two the equal perpendicular fixedly connected with a plurality of gag lever posts (11) of one side that side bearer (9) are close to mutually, every gag lever post (11) are close to the equal fixed connection of one end of megaphone body (8) and are had spacing head (14), every spacing head (14) all contact with the outer wall of megaphone body (8).
4. A multi-functional public address system for teaching as claimed in any one of claims 1 to 3, wherein: one side of the loudspeaker body (8) provided with the sound expansion hole (20) is provided with a plurality of sound guide covers (26), and each sound guide cover (26) is covered on the sound expansion hole (20).
5. A multi-functional public address system for teaching as claimed in any one of claim 4, wherein: one side of each sound guide cover (26) far away from the sound expansion hole (20) is fixedly connected with a telescopic sound guide pipe (3), and one end of each telescopic sound guide pipe (3) far away from the sound expansion cover (26) is fixedly connected with a sound expansion cover (4).
6. The multifunctional loudspeaker device for teaching as claimed in claim 5, wherein: a plurality of fixed blocks (27) of the even fixedly connected with of outer wall circumference of leading note cover (26), the outer wall circumference of flexible leading note pipe (3) evenly is provided with a plurality of No. two fixed blocks (29), the same and the one-to-one of quantity of a fixed block (27) and No. two fixed blocks (29), every group all is connected with pneumatic cylinder (28) between a fixed block (27) and No. two fixed blocks (29).
7. A multi-functional public address set for teaching as claimed in claim 1, wherein: fixedly connected with mounting bracket (31) on fixed plate (16), mounting bracket (31) top fixedly connected with dust absorption pump (30), bottom fixedly connected with dust absorption board (5) of mounting bracket (31), evenly seted up a plurality of dust absorption holes (35) on dust absorption board (5) are close to the outer wall of megaphone body (8), the dust absorption end of dust absorption pump (30) passes through the pipe connection in the inside of dust absorption board (5).
8. A multi-functional public address set for teaching as claimed in claim 7, wherein: two connecting rods (32) of bilateral symmetry fixedly connected with of dust absorption board (5), two fixedly connected with installing frame (34) between connecting rod (32), the layering is provided with a plurality of adhesive plates (33) in installing frame (34).
9. A multi-functional public address set for teaching as claimed in claim 1, wherein: one side fixedly connected with that mounting panel (19) were kept away from in fixed plate (16) supports arc board (36), one side fixedly connected with that fixed plate (16) were kept away from in support arc board (36) extends guard plate (7), it is connected with one side fixedly connected with protection arc board (6) that support arc board (36) to extend guard plate (7), the equidistance is equipped with a plurality of water conservancy diversion pole (13) on the top outer wall of protection arc board (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210155230.XA CN114222233B (en) | 2022-02-21 | 2022-02-21 | A multi-functional public address set for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210155230.XA CN114222233B (en) | 2022-02-21 | 2022-02-21 | A multi-functional public address set for teaching |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114222233A true CN114222233A (en) | 2022-03-22 |
| CN114222233B CN114222233B (en) | 2022-04-29 |
Family
ID=80708994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210155230.XA Active CN114222233B (en) | 2022-02-21 | 2022-02-21 | A multi-functional public address set for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114222233B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210444477U (en) * | 2019-08-12 | 2020-05-01 | 南京智峯科巨教育科技有限公司 | Public address set for science and technology education |
| CN210781351U (en) * | 2020-01-20 | 2020-06-16 | 陕西科技大学镐京学院 | Public address equipment for english education |
| CN212413359U (en) * | 2020-05-14 | 2021-01-26 | 朱世兵 | Sound equipment protective cover |
| CN112911432A (en) * | 2021-01-19 | 2021-06-04 | 杭州祖玛科技有限公司 | Sound box placing rack for displaying mobile phone polyphonic ringtone |
| US20210346536A1 (en) * | 2014-03-10 | 2021-11-11 | Progressive Sterilization, Llc | Mobile sterilization apparatus and method for using the same |
-
2022
- 2022-02-21 CN CN202210155230.XA patent/CN114222233B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210346536A1 (en) * | 2014-03-10 | 2021-11-11 | Progressive Sterilization, Llc | Mobile sterilization apparatus and method for using the same |
| CN210444477U (en) * | 2019-08-12 | 2020-05-01 | 南京智峯科巨教育科技有限公司 | Public address set for science and technology education |
| CN210781351U (en) * | 2020-01-20 | 2020-06-16 | 陕西科技大学镐京学院 | Public address equipment for english education |
| CN212413359U (en) * | 2020-05-14 | 2021-01-26 | 朱世兵 | Sound equipment protective cover |
| CN112911432A (en) * | 2021-01-19 | 2021-06-04 | 杭州祖玛科技有限公司 | Sound box placing rack for displaying mobile phone polyphonic ringtone |
Non-Patent Citations (1)
| Title |
|---|
| 穆荣兵等: "基于交互设计的可穿戴式教学扩音器设计研究", 《科技创新导报》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114222233B (en) | 2022-04-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114222233B (en) | A multi-functional public address set for teaching | |
| CN203498861U (en) | Base shock isolation system for device | |
| CN206075998U (en) | A kind of vibration and noise reducing device for dry-type distribution transformer | |
| CN209846437U (en) | Think political affairs teaching and use multimedia platform | |
| CN206164832U (en) | Portable high -accuracy speaker | |
| CN108540915A (en) | A kind of durable English teaching public address equipment | |
| CN210641055U (en) | Sound box with shock absorption function | |
| CN211582285U (en) | English learning teaching aid | |
| CN210444477U (en) | Public address set for science and technology education | |
| CN217363317U (en) | Public address equipment is used in english teaching | |
| CN208670474U (en) | The fixed device of voice external speaker for College English | |
| KR200466724Y1 (en) | Speaker Array Mounted with Ceiling | |
| CN216905173U (en) | Teaching stereo set convenient to carry and convenient fixed | |
| CN105578342A (en) | Rotary sound box for stage | |
| CN211665605U (en) | Movable noise isolation device | |
| CN210627865U (en) | Venture education propaganda machine | |
| CN215121189U (en) | Report room sound amplification management and control equipment | |
| CN220915384U (en) | Damping mechanism between loudspeaker monomer and shell | |
| CN214429676U (en) | Stereo set places foot rest | |
| CN215117958U (en) | Japanese oral training device | |
| CN210868061U (en) | Multimedia active loudspeaker box mounting structure | |
| CN210319091U (en) | Electromechanical device damping device | |
| CN215898002U (en) | Stage hearing-back system with damping function | |
| CN217216879U (en) | Broadcasting equipment for education of disabled people with hearing impairment | |
| CN210162032U (en) | Loudspeaker support for refitting automobile sound equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |