CN111510802A

CN111510802A - Loudspeaker for music teaching

Info

Publication number: CN111510802A
Application number: CN202010312159.2A
Authority: CN
Inventors: 陶梦玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2020-08-07

Abstract

The invention discloses a loudspeaker for music teaching, and relates to the technical field of loudspeaker equipment; the loudspeaker comprises a loudspeaker main body, a mounting frame and a supporting piece with adjustable height, wherein the mounting frame is used for being fixed on a wall surface, the upper end and the lower end of the supporting piece are respectively fixedly mounted on the mounting frame and the loudspeaker main body, a sound outlet part is arranged in the loudspeaker main body, sealing plates used for closing the sound outlet holes are arranged on the sound outlet holes, one end of each sealing plate is rotatably mounted on the loudspeaker main body, the other end of each sealing plate is a movable end, and a driving assembly for driving the sealing plates to rotate is further arranged in the; the sealing plate is characterized in that C gears are fixedly mounted on two sides of the rotating end of the sealing plate, a lifting rod capable of moving up and down is arranged on the loudspeaker main body, and a rack meshed with the C gears is arranged on the lifting rod. The invention can well limit dust from entering the loudspeaker main body, and prolong the service life of the device.

Description

Loudspeaker for music teaching

Technical Field

The invention relates to the technical field of loudspeaker equipment, in particular to a loudspeaker for music teaching.

Background

The speaker is also called "loudspeaker", is a electroacoustic transducer who very commonly uses, is used for among the vocal electron electrical equipment, and in music teaching in-process, the song that needs to use teaching plays through electronic equipment to utilize the speaker to transmit and listen for the student, along with the continuous development of science and technology, different kinds of speaker for music teaching has appeared in the market.

The sound production position of the loudspeaker in the prior art is not subjected to any dustproof treatment, so that dust enters the equipment, the service life of the equipment is further shortened, and the technical problem is solved by designing the loudspeaker for music teaching.

Disclosure of Invention

The invention aims to provide a loudspeaker for music teaching, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a loudspeaker for music teaching comprises a loudspeaker main body, a mounting frame and a height-adjustable supporting piece, wherein the mounting frame is used for being fixed on a wall surface, the upper end and the lower end of the supporting piece are respectively fixedly mounted on the mounting frame and the loudspeaker main body, a sound outlet part is arranged in the loudspeaker main body, sealing plates for closing the sound outlet holes are arranged on the sound outlet holes, one end of each sealing plate is rotatably mounted on the loudspeaker main body, the other end of each sealing plate is a movable end, and a driving assembly for driving the sealing plates to rotate is further arranged in the loudspeaker main body; the sealing plate is characterized in that C gears are fixedly mounted on two sides of the rotating end of the sealing plate, a lifting rod capable of moving up and down is arranged on the loudspeaker main body, and a rack meshed with the C gears is arranged on the lifting rod.

As a further scheme of the invention: the drive assembly comprises a drive rod and a micro motor, wherein one end of the drive rod is provided with threads and matched with a threaded hole at one end of the lifting rod, the other end of the drive rod is rotatably installed on the loudspeaker main body, a gear A meshed with the gear B is fixedly installed on the drive rod, the gear A is installed at the output end of the micro motor in a transmission mode, and the micro motor is fixedly installed on the loudspeaker main body.

As a still further scheme of the invention: and sealing rings are arranged on the closed surfaces of the sealing plates and the sound outlet holes.

As a still further scheme of the invention: and the loudspeaker main body is also provided with a limiting mechanism for limiting and guiding the lifting rod.

As a still further scheme of the invention: stop gear is including setting up at the inside slide of speaker main part and setting up the direction arch in the lifter both sides, lifter both ends slidable mounting is in the spout in the speaker main part, and the spout both sides are provided with the slide, lifter both sides fixed mounting has the slip to set up the direction arch inside the slide.

As a still further scheme of the invention: the supporting piece comprises a fixed rod and a movable rod, wherein the upper end of the fixed rod is fixedly arranged on the mounting frame, and the movable rod is fixedly arranged on the loudspeaker main body; the lower end of the fixed rod is arranged in the mounting groove on the movable rod; an adjusting mechanism is arranged on the movable rod.

As a still further scheme of the invention: the adjusting mechanism comprises a plurality of locking grooves arranged on one side of the fixed rod, a locking rod and a connecting rod arranged in the movable rod; the utility model discloses a locking device, including the movable rod, the movable rod both sides are provided with the dead lever, locking lever one end sets up one of them in a plurality of locked grooves, and the locking lever slides and sets up inside the movable rod, and the locking lever outside cover has put A elastic component, A elastic component one end fixed mounting is in the locking lever outside, and other end fixed mounting is inside the movable rod, and the one end of locked groove one end and connecting rod is kept away from to stay cord both ends difference fixed connection at the locking lever, the connecting rod is through direction bullet piece elastic mounting in the mounting groove of movable rod intermediate position, connecting rod intermediate position drive handle, drive handle passes the opening part of movable.

As a still further scheme of the invention: the movable rod is U-shaped.

As a still further scheme of the invention: the mounting groove is internally provided with a B elastic piece, and the upper end and the lower end of the B elastic piece are fixedly mounted on the lower end of the fixing rod and the inner wall of the mounting groove respectively.

Compared with the prior art, the invention has the beneficial effects that: when the loudspeaker main body works, the micro motor rotates, the driving rod is driven to rotate through the gear A and the gear B, the driving rod drives the lifting rod to move up and down through the threaded hole in the lifting rod, the rack is further driven to move up and down to drive the gear C to rotate, the sealing plate is further driven to rotate, the sealing plate is far away from the sound outlet hole, the sound outlet hole is opened, and the sound outlet part on the loudspeaker main body can conveniently send out a business; when the loudspeaker main body does not work, the micro motor rotates reversely, and the sealing ring on the sealing plate covers the sound outlet under the action of the gear A, the gear B, the driving rod and the like, so that dust is prevented from entering the loudspeaker main body to cause part damage, and the service life of the equipment is prolonged; the invention can well limit dust from entering the loudspeaker main body, and prolong the service life of the device.

Drawings

Fig. 1 is a schematic structural view of a speaker for music teaching according to embodiment 1.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is an enlarged view of fig. 2 at B.

Fig. 4 is a schematic structural view of a sealing plate in a speaker for music teaching.

Fig. 5 is a schematic structural view of a support member in a speaker for music teaching.

In the figure: 1-loudspeaker body, 2-mounting rack, 3-supporting piece, 4-solar panel, 5-sound-emitting part, 6-micro motor, 7-A gear, 8-B gear, 9-driving rod, 10-lifting rod, 11-C gear, 12-rack, 13-sealing plate, 14-sealing ring, 15-sound-emitting hole, 16-movable rod, 17-fixed rod, 18-locking groove, 19-locking rod, 20-A elastic piece, 21-pull rope, 22-driving handle, 23-connecting rod, 24-guiding elastic piece, 25-B elastic piece, 26-mounting groove, 27-slideway, 28-guiding projection, 29-, 30-and 31-.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 1

Referring to fig. 1 to 4, in embodiment 1 of the present invention, a speaker for music teaching includes a speaker main body 1, a mounting frame 2 for fixing on a wall surface, and a support member 3 with adjustable height, both ends of the support member 3 are respectively and fixedly mounted on the mounting frame 2 and the speaker main body 1, a sound emitting portion 5 is disposed inside the speaker main body 1, since only the sound emitting portion 5 of the whole apparatus is in contact with the outside, dust can only enter the speaker main body 1 through the sound emitting portion 5, and the dust enters the sound emitting portion 5 and easily causes damage to electronic components inside the speaker main body 1, a plurality of sound emitting holes 15 are disposed on the speaker main body 1 for emitting sound emitted by the sound emitting portion 5, a sealing plate 13 for closing the sound emitting holes 15 is disposed on the plurality of sound emitting holes 15, one end of the sealing plate 13 is rotatably mounted on the speaker main body 1, the other end is a movable end, a driving assembly for driving the sealing plate 13 to rotate is further arranged in the loudspeaker main body 1, the sealing plate 13 is made to rotate by the driving assembly, the state of the sound outlet hole 15 is further switched between a closed state and an open state, and when the loudspeaker main body 1 needs to produce sound, the sealing plate 13 rotates and is in an inclined state; the utility model discloses a loudspeaker, including seal plate 13, speaker main part 1, rack 12, C gear 11, rack 12, seal plate 13, C gear 11.

Example 2

Referring to fig. 1 to 5, the main difference between the embodiment 2 and the embodiment 1 is that the driving assembly includes a driving rod 9 and a micro motor 6, one end of the driving rod 9 is provided with a thread and is matched with a threaded hole at one end of a lifting rod 10, the other end of the driving rod 9 is rotatably installed on the speaker main body 1, an a gear 7 engaged with a B gear 8 is further fixedly sleeved on the driving rod 9, the a gear 7 is installed at an output end of the micro motor 6 in a transmission manner, and the micro motor 6 is fixedly installed on the speaker main body 1. The micro motor 6 rotates, the driving rod 9 is driven to rotate through the gear A7 and the gear B8, the driving rod 9 drives the lifting rod 10 to move up and down through the threaded hole in the lifting rod 10, the rack 12 is driven to move up and down to drive the gear C11 to rotate, the sealing plate 13 is driven to rotate, and the state of the sound outlet 15 is controlled.

And a sealing ring 14 is arranged on the closed surface of the sealing plate 13 and the sound outlet 15, and the sealing ring 14 is arranged to improve the sealing performance of the closure. By arranging the rotary sealing plate 13, the sound outlet 15 is closed when the speaker body 1 does not work, and dust is prevented from entering the speaker body 1.

The solar panel 4 is arranged on the outer surface of the loudspeaker main body 1, and the solar panel 4 is arranged to supply power to the loudspeaker main body 1, so that the loudspeaker can work in a power failure state.

The solar panel 4 is snap-fitted to the outer surface of the speaker body 1.

The loudspeaker body 1 is also provided with a limiting mechanism for limiting and guiding the lifting rod 10.

Stop gear is including setting up at the inside slide 27 of speaker main part 1 and the direction arch 28 of setting in lifter 10 both sides, lifter 10 both ends slidable mounting is in the spout on speaker main part 1, and the spout both sides are provided with slide 27, lifter 10 both sides fixed mounting has the slip to set up the direction arch 28 inside slide 27. The lifting rod 10 can slide up and down along the slide way 27 by arranging the guide projection 28, the slide way 27 and the like, thereby ensuring the stability of operation.

Through setting up height-adjustable's support piece 3, be convenient for adjust the height of speaker main part 1, satisfy the demand in the classroom of different areas and height. The support 3 comprises a fixed rod 17 with the upper end fixedly arranged on the mounting rack 2 and a movable rod 16 fixedly arranged on the loudspeaker main body 1; the lower end of the fixed rod 17 is arranged in an installation groove 26 on the movable rod 16; the movable rod 16 is provided with an adjusting mechanism for adjusting the height of the fixed rod 17.

The adjusting mechanism comprises a plurality of locking grooves 18 arranged at one side of the fixed rod 17, a locking rod 19 and a connecting rod 23 arranged inside the movable rod 16; the movable rod 16 both sides are provided with dead lever 17, locking lever 19 one end sets up one of a plurality of locked grooves 18, and locking lever 19 slides and sets up inside movable rod 16, and locking lever 19 outside cover has put A

elastic component

20, 20 one end fixed mounting of A elastic component is in the locking lever 19 outside, and other end fixed mounting is inside movable rod 16, and stay cord 21 both ends are fixed connection respectively and are kept away from the one end of locked groove 18 one end and connecting rod 23 in locking lever 19, connecting rod 23 passes through direction bullet piece 24 elastic mounting in the mounting groove of movable rod 16 intermediate position, connecting rod 23 intermediate position drive handle 22, drive handle 22 passes the opening part of movable rod 16 intermediate position, through pressing drive handle 22, drives connecting rod 23 and moves down, and then makes stay cord 21 drive locking lever 19 draw out from locked groove 18, is convenient for adjust the position between dead lever 17 and the movable rod 16, it is convenient to adjust the height of the speaker main body 1.

The movable rod 16 is U-shaped.

The speaker body 1 is provided with a guide wheel for guiding the pull cord 21 therein, and the lock lever 19 is horizontally disposed.

The direction bullet piece 24 includes that telescopic link and cover put the spring in the telescopic link outside, and both ends are inside speaker main body 1 on connecting rod 23 respectively fixed mounting about telescopic link and spring, is used for leading the removal of connecting rod 23 through setting up the telescopic link, makes connecting rod 23 be in upper portion through setting up the spring.

The upper part of the driving handle 22 is provided with an anti-skid layer, so that the use convenience is improved

The inside elastic component 25 that still is provided with of mounting groove 26, both ends are fixed mounting respectively on dead lever 17 lower extreme and mounting groove 26 inner wall about the elastic component 25 of B, and this setting makes dead lever 17 connect on movable rod 16, prevents to break away from movable rod 16 dead lever 17 in the adjustment process, guarantees the stability in the adjustment process.

The working principle of the invention is as follows: when the loudspeaker main body 1 works, the micro motor 6 rotates, the driving rod 9 is driven to rotate through the gear A7 and the gear B8, the driving rod 9 drives the lifting rod 10 to move up and down through the threaded hole in the lifting rod 10, and then the rack 12 is driven to move up and down to drive the gear C11 to rotate, and further the sealing plate 13 is driven to rotate, the sealing plate 13 is far away from the sound outlet hole 15, the sound outlet hole 15 is opened, and the sound outlet part 5 on the loudspeaker main body 1 is convenient for sending out a business; when the loudspeaker main body 1 does not work, the micro motor 6 rotates reversely, and under the action of the gear A7, the gear B8, the driving rod 9 and the like, the sealing ring 14 on the sealing plate 13 covers the sound outlet hole 15, so that dust is prevented from entering the loudspeaker main body 1 to cause part damage, and the service life of the equipment is prolonged; when the height of the loudspeaker body 1 needs to be adjusted, the middle position of the movable rod 16 is grasped by a hand, the driving handle 22 is pressed, the driving connecting rod 23 moves downwards, the pull rope 21 pulls the lock rod 19, so that the lock rod 19 is withdrawn from one of the lock grooves 18, the movable rod 16 can be further slid, the position of the fixed rod 17 is adjusted, when the loudspeaker body is adjusted to a proper position, the driving handle 22 is released, the connecting rod 23 is restored to the original position under the action of the guide elastic piece 24, the lock rod 19 is inserted into the correspondingly arranged lock groove 18 under the action of the elastic piece A20, and the fixed rod 17 is further fixed, so that the height adjustment is completed; the invention can well limit dust from entering the loudspeaker main body 1, prolong the service life of the equipment, facilitate the height adjustment and meet different use requirements.

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

1. A loudspeaker for music teaching comprises a loudspeaker main body (1), a mounting frame (2) used for being fixed on a wall surface and a supporting piece (3) with adjustable height, wherein the upper end and the lower end of the supporting piece (3) are respectively and fixedly mounted on the mounting frame (2) and the loudspeaker main body (1), the loudspeaker is characterized in that a sound outlet part (5) is arranged in the loudspeaker main body (1), sealing plates (13) used for closing the sound outlet holes are arranged on a plurality of sound outlet holes (15), one end of each sealing plate (13) is rotatably mounted on the loudspeaker main body (1), the other end of each sealing plate is a movable end, and a driving assembly used for driving the sealing plates (13) to rotate is further arranged in the loudspeaker main body (1); c gears (11) are fixedly mounted on two sides of the rotating end of the sealing plate (13), a lifting rod (10) capable of moving up and down is arranged on the loudspeaker main body (1), and a rack (12) meshed with the C gears (11) is arranged on the lifting rod (10).

2. The loudspeaker for music teaching according to claim 1, wherein the driving assembly comprises a driving rod (9) and a micro motor (6), one end of the driving rod (9) is provided with a thread and is matched with a threaded hole at one end of a lifting rod (10), the other end of the driving rod (9) is rotatably installed on the loudspeaker main body (1), an A gear (7) meshed with a B gear (8) is further fixedly sleeved on the driving rod (9), the A gear (7) is installed at the output end of the micro motor (6) in a transmission manner, and the micro motor (6) is fixedly installed on the loudspeaker main body (1).

3. The loudspeaker for teaching music according to claim 2, wherein a sealing ring (14) is provided at a closed surface of the sealing plate (13) and the sound outlet (15).

4. The speaker for music teaching according to claim 1, wherein a solar panel (4) is attached to an outer surface of the speaker main body (1).

5. The loudspeaker for music teaching according to claim 1, wherein the loudspeaker body (1) is further provided with a limiting mechanism for limiting and guiding the lifting rod (10).

6. The loudspeaker for music teaching according to claim 5, wherein the limiting mechanism comprises a slide way (27) arranged inside the loudspeaker main body (1) and guide protrusions (28) arranged on two sides of the lifting rod (10), two ends of the lifting rod (10) are slidably mounted in sliding grooves in the loudspeaker main body (1), the slide way (27) is arranged on two sides of the sliding grooves, and the guide protrusions (28) slidably arranged inside the slide way (27) are fixedly mounted on two sides of the lifting rod (10).

7. A loudspeaker according to any one of claims 1 to 6, wherein the support member (3) comprises a fixed bar (17) having an upper end fixedly mounted on the mounting frame (2) and a movable bar (16) fixedly mounted on the loudspeaker body (1); the lower end of the fixed rod (17) is arranged in an installation groove (26) on the movable rod (16); an adjusting mechanism is arranged on the movable rod (16).

8. The speaker for music teaching according to claim 7, wherein the adjusting mechanism includes a plurality of locking grooves (18) provided at one side of the fixed lever (17), a locking lever (19), and a connecting lever (23) provided inside the movable lever (16); activity pole (16) both sides are provided with dead lever (17), locking lever (19) one end sets up one of them in a plurality of locked grooves (18), and locking lever (19) slide to set up inside activity pole (16), and locking lever (19) outside cover has put A elastic component (20), A elastic component (20) one end fixed mounting is in the locking lever (19) outside, and other end fixed mounting is inside activity pole (16), and stay cord (21) both ends fixed connection is respectively kept away from the one end of locked groove (18) one end and connecting rod (23) at locking lever (19), connecting rod (23) are installed in the mounting groove of activity pole (16) intermediate position through direction bullet piece (24) elasticity, connecting rod (23) intermediate position drive handle (22), drive handle (22) pass the opening part of activity pole (16) intermediate position.

9. The music teaching speaker according to claim 8, wherein the movable bar (16) is U-shaped.

10. The loudspeaker for teaching music according to claim 9, wherein the mounting groove (26) is further provided therein with a B elastic member (25), and the upper and lower ends of the B elastic member (25) are respectively fixedly mounted on the lower end of the fixing rod (17) and the inner wall of the mounting groove (26).