A portable amplifier for music teaching

Abstract

The utility model discloses a portable loudspeaker for music teaching, which specifically relates to the technical field of loudspeaker, including a loudspeaker housing, a tuning knob fixedly provided on the top of the loudspeaker housing, a switch fixedly provided on one side of the tuning knob, connecting mechanisms fixedly provided on both sides of the loudspeaker housing, and protective mechanisms provided at the bottoms of the two connecting mechanisms, the two connecting mechanisms including a reset spring, the reset spring being provided on one side of the loudspeaker housing, a movable groove provided on one side of the reset spring, a fixed groove provided inside the movable groove, a limiting bead provided inside the fixed groove, and a fixed seat provided inside the fixed groove. The utility model can be worn according to the length required by the user through the round hole and round buckle on the belt rope, which is convenient to carry and can make the connection between the belt rope and the loudspeaker housing more convenient and stable, and easy to disassemble and use in multiple ways.

Description

Technical Field

[0001] The utility model relates to the technical field of sound amplification, and more specifically, to a portable sound amplifier for music teaching. Background Art

[0002] A teaching loudspeaker is a type of speaker. A loudspeaker refers to a device that can convert audio signals into sound. Generally speaking, it refers to a speaker main body or a subwoofer box with a built-in power amplifier. The audio signal is amplified and processed, and then the sound is played back by the speaker itself to make the sound louder. Amplifier is an electronic device. Its main function is to reduce the diffusion of sound, amplify the input sound, and make the sound travel farther. There are still many occasions for the use of loudspeakers. It is usually used in classrooms and conference rooms for the longest time, followed by training rooms, recording studios, karaoke bars and open-air places such as gymnasiums. Therefore, loudspeakers can be widely used in the field of teaching. The teacher's voice can be amplified and transmitted to the students' ears through the loudspeaker, making it convenient for teachers to teach students.

[0003] According to the patent application disclosure (announcement) number: CN213847013U, a music teaching amplifier includes a shell, a speaker is fixedly installed on the front side of the shell, fixed blocks are fixedly installed on both sides of the shell, a fixed ring is fixedly installed on one side of the fixed block, a safety buckle is arranged on the outer side of the fixed ring, a connecting block is fixedly installed on the top of the safety buckle, a belt rope is fixedly installed on the top of the connecting block, and a splint is arranged on the bottom of one side of the shell. The advantage of this structure is that the belt rope can be clamped on one side of the shell through the coordination between the splint, the return spring and the connecting rod, which is convenient for temporary storage of the belt rope. By providing a safety buckle, the connection between the belt rope and the shell can be released, and disassembly is relatively convenient, and the belt rope can be removed from both sides of the shell. Then, by providing a storage box, the belt rope can be placed inside the storage box, which is convenient for storage.

[0004] However, the above device may have the following problems during use: the length of the belt rope cannot be adjusted according to the user's own needs, the discomfort of the belt rope length will affect the user's wearing experience, and the user will wear the loudspeaker in an uncomfortable wearing condition for a long time, making the loudspeaker inconvenient to carry. Utility Model Content

[0005] In order to overcome the above defects of the prior art, the utility model provides a portable amplifier for music teaching to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A portable amplifier for music teaching comprises an amplifier housing, a tuning knob is fixedly provided on the top of the amplifier housing, a switch is fixedly provided on one side of the tuning knob, connecting mechanisms are fixedly provided on both sides of the amplifier housing, and protective mechanisms are provided at the bottoms of the two connecting mechanisms. The two connecting mechanisms comprise a reset spring, the reset spring is arranged on one side of the amplifier housing, a movable groove is provided on one side of the reset spring, a fixed groove is provided inside the movable groove, a limiting bead is provided inside the fixed groove, a fixing seat is provided inside the fixing groove, and a card slot matching the limiting bead is provided on the fixing seat.

[0008] In order to achieve the effect that the length of the belt rope can be adjusted, as a further description of the above technical solution: a first belt rope is provided on one side of one of the fixed seats, and a round buckle is fixedly provided on the surface of the first belt rope, and the round buckles are multiple in number and evenly distributed on the surface of the first belt rope; a second belt rope is provided on one side of the other fixed seat, and a round hole matching the round buckle is opened on the surface of the second belt rope, and the round holes are multiple in number and evenly distributed on the surface of the second belt rope.

[0009] In order to achieve the effect of buffering and protecting the loudspeaker, as a further description of the above technical solution: the protection mechanism includes a blocking frame plate, the blocking frame plate is made of rubber material, an airbag is arranged inside the blocking frame plate, a buffer spring is arranged on the rear side of the airbag, the number of the buffer springs is set to be multiple, and the multiple buffer springs are evenly distributed on the rear side of the airbag, and rubber pads are fixedly arranged at the four corners of the loudspeaker shell.

[0010] In order to achieve the effect of balancing the external air pressure inside the loudspeaker, as a further description of the above technical solution: a speaker is fixedly provided on the front side of the loudspeaker housing, and air guide holes are opened on the surface of the speaker. There are multiple air guide holes, and the multiple air guide holes are evenly distributed on the surface of the speaker.

[0011] In order to achieve the effect of heat dissipation inside the loudspeaker, as a further description of the above technical solution: a plurality of heat dissipation holes are provided at the bottom of the loudspeaker housing, and the plurality of heat dissipation holes are evenly distributed at the bottom of the loudspeaker housing.

[0012] In order to achieve the effect of convenient clipping between the sound amplifier housing and the belt rope, as a further description of the above technical solution: a charging port is provided on the rear side of the sound amplifier housing, the interior of the fixing groove is movably connected with a limiting bead, there are multiple limiting beads, and the multiple limiting beads are distributed in a ring shape inside the fixing groove.

[0013] Technical effects and advantages of the utility model:

[0014] 1. By setting a connection mechanism, when the belt rope is connected to the loudspeaker housing, the movable groove is manually pushed inward so that the movable groove no longer presses the limit bead, and then the fixing seat is inserted into the fixing groove, the movable groove is released, and the reset spring pushes the movable groove to move outward, and then the movable groove presses the limit bead again, and the limit bead is clamped through the clamping slot to complete the connection, so that the belt rope and the loudspeaker are convenient to connect and more stable and easy to disassemble;

[0015] 2. By providing a first belt rope, a round buckle, a second belt rope, and a round hole, the user can connect the first belt rope with the second belt rope by interlocking the round hole and the round buckle during use. The user can adjust the length according to his or her own needs through multiple round holes and round buckles, making it more comfortable for the wearer to wear the loudspeaker for a long time and more convenient to carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is a schematic diagram of the internal structure of the connecting mechanism and the protective mechanism of the utility model.

[0018] Figure 3 It is a schematic diagram of the top structure of the utility model.

[0019] Figure 4 It is a rear view structural schematic diagram of the utility model.

[0020] The accompanying drawings are marked as follows: 1. loudspeaker housing; 2. tuning knob; 3. switch; 4. reset spring; 5. movable slot; 6. fixed slot; 7. limiting bead; 8. fixing seat; 9. card slot; 10. first belt rope; 11. round buckle; 12. second belt rope; 13. round hole; 14. blocking frame; 15. airbag; 16. buffer spring; 17. rubber pad; 18. speaker; 19. air guide hole; 20. heat dissipation hole; 21. charging port. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The embodiment of the present application discloses a portable loudspeaker for music teaching, which specifically includes a loudspeaker housing 1, a tuning knob 2 is fixedly provided on the top of the loudspeaker housing 1, a switch 3 is fixedly provided on one side of the tuning knob 2, a charging port 21 is provided on the rear side of the loudspeaker housing 1, connecting mechanisms are fixedly provided on both sides of the loudspeaker housing 1, and protective mechanisms are provided at the bottom of the two connecting mechanisms.

[0023] Reference Figure 1-2 As shown, a speaker 18 is fixedly provided on the front side of the loudspeaker housing 1, and an air guide hole 19 is provided on the surface of the loudspeaker 18. There are a plurality of air guide holes 19, and the plurality of air guide holes 19 are evenly distributed on the surface of the loudspeaker 18, so that the air pressure inside and outside the loudspeaker can be balanced. There are a plurality of heat dissipation holes 20 at the bottom of the loudspeaker housing 1, and the plurality of heat dissipation holes 20 are evenly distributed on the bottom of the loudspeaker housing 1, so that the interior of the loudspeaker can be cooled by the plurality of heat dissipation holes 20.

[0024] Reference Figure 2 As shown, the protective mechanism includes a blocking frame plate 14, which is made of rubber material. An airbag 15 is arranged inside the blocking frame plate 14, and a buffer spring 16 is arranged on the rear side of the airbag 15. The number of the buffer springs 16 is set to be multiple, and the multiple buffer springs 16 are evenly distributed on the rear side of the airbag 15. Rubber pads 17 are fixedly provided at the four corners of the loudspeaker housing 1, which can play a certain buffering and protective role when the loudspeaker accidentally falls to the ground, thereby increasing the service life of the loudspeaker.

[0025] Reference Figure 2-3 As shown, the two connecting mechanisms include a reset spring 4, which is arranged on one side of the loudspeaker housing 1, and a movable groove 5 is provided on one side of the reset spring 4, a fixed groove 6 is provided inside the movable groove 5, a limiting bead 7 is provided inside the fixed groove 6, and there are multiple limiting beads 7, which are distributed in a ring shape inside the fixed groove 6, a fixed seat 8 is provided inside the fixed groove 6, and a slot 9 matching the limiting bead 7 is provided on the fixed seat 8. When the belt rope is connected to the loudspeaker housing 1, the movable groove 5 is manually pushed inward so that the movable groove 5 no longer presses the limiting bead 7, and then the fixing seat 8 is inserted into the fixed groove 6, the movable groove 5 is released, and the reset spring 4 pushes the movable groove 5 to move outward, and then the movable groove 5 presses the limiting bead 7 again, and the limiting bead 7 is clamped by the slot 9 to complete the connection, so that the belt rope and the loudspeaker are convenient to connect and are more stable and easier to disassemble.

[0026] Reference Figure 4As shown, a first belt rope 10 is provided on one side of one of the fixing seats 8, and a round buckle 11 is fixedly provided on the surface of the first belt rope 10. There are multiple round buckles 11, and the multiple round buckles 11 are evenly distributed on the surface of the first belt rope 10. A second belt rope 12 is provided on one side of another fixing seat 8. There are multiple round holes 13 matching the round buckles 11 on the surface of the second belt rope 12. When in use, the user can connect the first belt rope 10 with the second belt rope 12 by mutually engaging the round holes 13 and the round buckles 11. The multiple round holes 13 and the round buckles 11 allow the user to adjust the length according to his or her own needs, making it more comfortable for the wearer to wear the loudspeaker for a long time and more convenient to carry.

[0027] Working principle of the utility model: when the utility model is used, first place the portable music teaching loudspeaker where work is needed, manually push the movable groove 5 inwards so that the movable groove 5 no longer presses the limiting bead 7, then insert the fixing seat 8 into the fixing groove 6, loosen the movable groove 5, and the reset spring 4 pushes the movable groove 5 to move outwards, then the movable groove 5 presses the limiting bead 7 again, and the limiting bead 7 is clamped through the clamping groove 9 to complete the connection, so that the first belt rope 10 and the second belt rope 12 are conveniently connected to the loudspeaker and are more stable and easy to disassemble, so that the loudspeaker can be held in hand or placed on the podium, and will not be inconvenient to hold because the first belt rope 10 and the second belt rope 12 are too long;

[0028] When the round hole 13 and the round buckle 11 are engaged with each other, the first belt string 10 and the second belt string 12 are connected to each other. The user can adjust the length according to his / her needs through the multiple round holes 13 and the round buckle 11, so that the wearer can wear the loudspeaker for a long time more comfortably and carry it more conveniently. After wearing it, turn on the loudspeaker switch 3 and adjust the volume through the tuning knob 2.

[0029] The rubber pads 17 at the four corners of the loudspeaker housing 1 and the air bags 15 and buffer springs 16 in the blocking frame plates 14 at both sides can provide a certain buffering protection when the loudspeaker accidentally falls to the ground, thereby increasing the service life of the loudspeaker.

[0030] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A portable loudspeaker for music teaching, comprising a loudspeaker housing (1), characterized in that: A tuning knob (2) is fixedly provided on the top of the loudspeaker housing (1), a switch (3) is fixedly provided on one side of the tuning knob (2), connecting mechanisms are fixedly provided on both sides of the loudspeaker housing (1), and protective mechanisms are provided at the bottom of the two connecting mechanisms; The two connection mechanisms comprise a return spring (4), the return spring (4) being arranged on one side of the sound amplifier housing, a movable groove (5) being arranged on one side of the return spring (4), a fixed groove (6) being arranged inside the movable groove (5), a limiting bead (7) being arranged inside the fixed groove (6), a fixed seat (8) being arranged inside the fixed groove (6), and a clamping groove (9) matching the limiting bead (7) being arranged on the fixed seat (8).

2. A portable music teaching amplifier according to claim 1, characterized in that: A first belt rope (10) is provided on one side of one of the fixing seats (8), and a round buckle (11) is fixedly provided on the surface of the first belt rope (10). There are a plurality of round buckles (11), and the plurality of round buckles (11) are evenly distributed on the surface of the first belt rope (10). A second belt rope (12) is provided on one side of another of the fixing seats (8), and a round hole (13) matching the round buckle (11) is opened on the surface of the second belt rope (12). There are a plurality of round holes (13), and the plurality of round holes (13) are evenly distributed on the surface of the second belt rope (12).

3. A portable music teaching amplifier according to claim 1, characterized in that: The protective mechanism comprises a blocking frame plate (14), the blocking frame plate (14) is made of rubber material, an air bag (15) is arranged inside the blocking frame plate (14), a buffer spring (16) is arranged at the rear side of the air bag (15), the number of the buffer springs (16) is set to be multiple, and the multiple buffer springs (16) are evenly distributed at the rear side of the air bag (15), and rubber pads (17) are fixedly arranged at the four corners of the loudspeaker housing (1).

4. The portable amplifier for music teaching according to claim 1, characterized in that: A loudspeaker (18) is fixedly provided on the front side of the sound amplification housing, and an air guide hole (19) is provided on the surface of the loudspeaker (18). There are a plurality of the air guide holes (19), and the plurality of the air guide holes (19) are evenly distributed on the surface of the loudspeaker (18).

5. The portable amplifier for music teaching according to claim 1, characterized in that: The bottom of the sound amplifier housing is provided with a heat dissipation hole (20), there are a plurality of the heat dissipation holes (20), and the plurality of the heat dissipation holes (20) are evenly distributed on the bottom of the sound amplifier housing.

6. The portable amplifier for music teaching according to claim 1, characterized in that: A charging port (21) is provided on the rear side of the sound amplifier housing, and the interior of the fixing groove (6) is movably connected to a limiting bead (7). There are a plurality of limiting beads (7), and the plurality of limiting beads (7) are distributed in a ring shape inside the fixing groove (6).

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