CN209845308U

CN209845308U - A loudspeaker

Info

Publication number: CN209845308U
Application number: CN201921284373.0U
Authority: CN
Inventors: 李喜微
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2019-12-24
Anticipated expiration: 2029-08-09

Abstract

The utility model discloses a loudspeaker, including dustcoat and back casing, the upper end of dustcoat is installed the fourth mounting groove, and the lower extreme of dustcoat installs the second mounting groove, and the left end of dustcoat installs the third mounting groove simultaneously, and the right-hand member of dustcoat installs the first mounting groove, and the welding has the installing frame in the dustcoat, and the installing frame internally mounted has the PCB board, inlays the controller on the PCB board simultaneously, and the wireless receiver is installed to PCB board downside; the bottom of the outer cover is connected with the base; the lower end of the rear shell is provided with an installation groove, a cavity is formed in the installation groove, a microphone placing groove is pasted in the cavity, and meanwhile, a wireless microphone is placed in the microphone placing groove; the upper end of the rear shell is provided with a fourth mounting block. The loudspeaker has the advantages that the wireless microphone is prevented from being lost; the maintenance and repair work at ordinary times is convenient; the electronic element inside the installation frame has the characteristic of waterproof sealing effect.

Description

A loudspeaker

Technical Field

The utility model relates to a megaphone equipment technical field specifically is a megaphone.

Background

Along with the development of society, communication and cooperation among countries are increased continuously, opportunities for people to communicate with foreigners are also increased continuously, English is used as a language communication tool and plays an increasingly important role in the society, teachers are used as propagators of English learning, the teaching quality of the teachers is important, and the English teachers can use loudspeakers generally due to high working strength in the teaching process; the existing loudspeaker for English teaching has the problems that a belt is inconvenient to carry about, and is not easy to store, and a microphone is easy to damage or lose.

In order to solve the disadvantages of the current market, there is an urgent need for an improved technique for a microphone device.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming prior art's megaphone for english teaching and having the waistband of hand-carrying troublesome to the problem of difficult accomodating, the microphone receives the defect of the problem of damaging or losing easily simultaneously, provides a megaphone. The outer cover, the rear shell, the wireless microphone, the microphone placing groove and the mounting frame are used for preventing the wireless microphone from being lost; the maintenance and repair work at ordinary times is convenient; the electronic element inside the installation frame has the characteristic of waterproof sealing effect.

In order to achieve the above object, the utility model provides a following technical scheme: a loudspeaker comprises an outer cover and a rear shell, wherein a fourth mounting groove is mounted at the upper end of the outer cover, a second mounting groove is mounted at the lower end of the outer cover, a third mounting groove is mounted at the left end of the outer cover, a first mounting groove is mounted at the right end of the outer cover, a mounting frame is welded in the outer cover, a PCB is mounted in the mounting frame, a controller is embedded in the PCB, and a wireless receiver is mounted at the lower side of the PCB; the bottom of the outer cover is connected with the base;

the lower end of the rear shell is provided with an installation groove, a cavity is formed in the installation groove, a microphone placing groove is pasted in the cavity, and meanwhile, a wireless microphone is placed in the microphone placing groove; the upper end of the rear shell is provided with a fourth mounting block, the lower end of the rear shell is provided with a second mounting block, the left end of the rear shell is provided with a third mounting block, the right end of the rear shell is provided with a first mounting block, the first mounting block is provided with a positioning block, the loudspeaker is mounted on the outer cover, and the loudspeaker is electrically connected with the controller; the sealing frame is welded inside the rear shell.

Preferably, the first mounting groove, the second mounting groove, the third mounting groove and the fourth mounting groove are all internally provided with positioning cavities, and the positioning cavities are matched with the positioning blocks in size.

Preferably, the limiting grooves are formed in two ends of the upper portion of the mounting groove and matched with the limiting blocks in size, and the limiting grooves and the limiting blocks are both arranged in a dovetail shape.

Preferably, the limiting groove at the upper end of the mounting groove is internally inserted with a limiting block, the two ends of the rear cover are provided with limiting blocks, and the rear cover is connected with a stress lug.

Preferably, the controller is electrically connected with the wireless receiver, and the controller is wirelessly connected with the wireless microphone through the wireless receiver.

Preferably, the first mounting block, the second mounting block, the third mounting block and the fourth mounting block are respectively inserted into the first mounting groove, the second mounting groove, the third mounting groove and the fourth mounting groove through positioning blocks; the outer cover and the rear shell are fixed together, so that the installation and the disassembly are simple, and the maintenance and the repair work at ordinary times are facilitated.

Preferably, the sealing frame is internally provided with an inserting groove, and the mounting frame is inserted in the inserting groove; the waterproof sealing function is achieved for the electronic elements in the mounting frame; when the wireless microphone is used well, the wireless microphone is placed in the microphone placing groove, and the wireless microphone is prevented from being lost due to the fact that the rear cover is used for sealing.

Preferably, the size looks adaptation of back casing and dustcoat, and the handle is installed to the upper end of dustcoat, and volume control switch and switch on the dustcoat simultaneously respectively with controller electric connection, controller and panel electric connection.

Preferably, the hinge groove and the accommodating groove are formed in the back face of the rear shell, the hinge groove is communicated with the accommodating groove, the hinge head is hinged to the inside of the hinge groove and connected with the supporting rod, the supporting rod is accommodated in the accommodating groove, and the supporting rod, the rear shell and the platform form a triangle.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the wireless microphone is used, the wireless microphone is placed in the microphone placing groove, and meanwhile, the rear cover is used for sealing, so that the wireless microphone is prevented from being lost;

2. the outer cover and the rear shell are fixed together through the mounting block and the mounting groove, so that the mounting and dismounting are simple, and the ordinary maintenance and repair work is facilitated;

3. the mounting frame is inserted in the insertion groove in the sealing frame, and plays a role in waterproof sealing on electronic elements in the mounting frame.

Drawings

FIG. 1 is a schematic view of the structural cover of the present invention;

FIG. 2 is a schematic view of the rear housing of the present invention;

FIG. 3 is a schematic view of the back side of the rear housing of the present invention;

FIG. 4 is a schematic view of the structure limiting groove of the present invention;

FIG. 5 is a schematic sectional view of the structure A-A of the present invention;

FIG. 6 is a schematic view of the structure of the present invention, showing the installation of the outer cover and the rear housing;

FIG. 7 is a schematic structural appearance of the present invention;

FIG. 8 is a schematic view of the structural support bar of the present invention;

FIG. 9 is a schematic view of the hinge slot of the present invention;

fig. 10 is a structural logic block diagram of the present invention.

Reference numbers in the figures: 1. a housing; 2. installing a frame; 3. a PCB board; 4. a first mounting groove; 5. a positioning cavity; 6. a wireless receiver; 7. a battery plate; 8. installing a groove; 9. a base; 10. a second mounting groove; 11. a third mounting groove; 12. a controller; 13. a fourth mounting groove; 14. a first mounting block; 15. positioning blocks; 16. a sealing frame; 17. inserting grooves; 18. a second mounting block; 19. a third mounting block; 20. a fourth mounting block; 21. a rear housing; 22. a rear cover; 23. a stressed bump; 24. a wireless microphone; 25. a microphone placing groove; 26. a cavity; 27. a limiting groove; 28. a limiting block; 29. a speaker; 30. a hinge joint; 31. a support bar; 32. a hinge slot; 33. a receiving groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-10, the present invention provides a technical solution: a loudspeaker comprises an outer cover 1 and a rear shell 21, wherein a fourth mounting groove 13 is mounted at the upper end of the outer cover 1, a second mounting groove 10 is mounted at the lower end of the outer cover 1, a third mounting groove 11 is mounted at the left end of the outer cover 1, a first mounting groove 4 is mounted at the right end of the outer cover 1, a mounting frame 2 is welded inside the outer cover 1, a PCB 3 is mounted inside the mounting frame 2, a controller 12 is embedded in the PCB 3, and a wireless receiver 6 is mounted at the lower side of the PCB 3; the bottom of the outer cover 1 is connected with a base 9; positioning cavities 5 are formed in the first mounting groove 4, the second mounting groove 10, the third mounting groove 11 and the fourth mounting groove 13, and the positioning cavities 5 are matched with the positioning blocks 15 in size; a limiting block 28 is inserted into a limiting groove 27 at the upper end of the mounting groove 8, limiting blocks 28 are arranged at two ends of the rear cover 22, and the rear cover 22 is connected with a stress lug 23; the lower end of the rear shell 21 is provided with a mounting groove 8, a cavity 26 is arranged in the mounting groove 8, a microphone placing groove 25 is pasted in the cavity 26, and a wireless microphone 24 is placed in the microphone placing groove 25; both ends of the upper part of the mounting groove 8 are provided with limiting grooves 27, the limiting grooves 27 are matched with the limiting blocks 28 in size, and the limiting grooves 27 and the limiting blocks 28 are both arranged in a dovetail shape; a fourth mounting block 20 is mounted at the upper end of the rear shell 21, a second mounting block 18 is mounted at the lower end of the rear shell 21, a third mounting block 19 is mounted at the left end of the rear shell 21, a first mounting block 14 is mounted at the right end of the rear shell 21, a positioning block 15 is arranged on the first mounting block 14, and the first mounting block 14, the second mounting block 18, the third mounting block 19 and the fourth mounting block 20 are respectively inserted into the first mounting groove 4, the second mounting groove 10, the third mounting groove 11 and the fourth mounting groove 13 through the positioning block 15; the loudspeaker 29 is arranged on the outer cover 1, and the loudspeaker 29 is electrically connected with the controller 12; the sealing frame 16 is welded inside the rear housing 21; the size of the rear shell 21 is matched with that of the outer cover 1, a handle is arranged at the upper end of the outer cover 1, a volume adjusting switch and a power switch at the upper end of the outer cover 1 are respectively and electrically connected with the controller 12, and the controller 12 is electrically connected with the battery plate 7; an inserting groove 17 is formed in the sealing frame 16, and the mounting frame 2 is inserted in the inserting groove 17; the controller 12 is electrically connected with the wireless receiver 6, and the controller 12 is wirelessly connected with the wireless microphone 24 through the wireless receiver 6; the back of the rear shell 21 is provided with a hinge groove 32 and a containing groove 33, the hinge groove 32 is communicated with the containing groove 33, the hinge joint 30 is hinged inside the hinge groove 32, the hinge joint 30 is connected with the support rod 31, the support rod 31 is contained inside the containing groove 33, and the support rod 31, the rear shell 21 and the platform form a triangle;

as shown in fig. 1-2 and 6: the outer cover 1 is respectively inserted into the first mounting groove 4, the second mounting groove 10, the third mounting groove 11 and the fourth mounting groove 13 through the positioning blocks 15 through the first mounting block 14, the second mounting block 18, the third mounting block 19 and the fourth mounting block 20 on the outer cover 1, so that the outer cover 1 and the rear shell 21 are fixed together, the installation and the disassembly are simple, and the ordinary maintenance and repair work is facilitated;

as shown in fig. 1-2: the mounting frame 2 is inserted into the insertion groove 17 in the sealing frame 16, and plays a role in waterproof sealing on electronic elements in the mounting frame 2; when the wireless microphone 24 is used, the wireless microphone is placed in the microphone placing groove 25, and meanwhile, the rear cover 22 is used for sealing, so that the wireless microphone 24 is prevented from being lost; the model of the wireless microphone 24 is 2.4G, and the model of the controller is 12AT89S 51;

as shown in fig. 8-9: the stay bar 31, the rear shell 21 and the platform form a triangle; the convenient device is placed on the platform, guarantees the stability of device at the during operation, and the vaulting pole 31 can be accomodate when not using and accomodate inside groove 33, simple structure, the realization of being convenient for.

When the loudspeaker is used, an English teacher can take out the wireless microphone 24 from the cavity 26, clamp the wireless microphone 24 on a collar, connect the wireless microphone 24 with the controller 12 through the wireless receiver 6, the machine body can be on the body, or place on a platform through the base 9, the sound emitted by the English teacher can transmit the signal to the controller 12 through the wireless microphone 24, the controller 12 performs amplification work through the loudspeaker 29, the wireless receiver 6, the wireless microphone 24 and the controller 12 are all common elements used by those skilled in the art, and belong to the mature technology in the field, in the above embodiment, only the wireless receiver 6, the wireless microphone 24 and the controller 12 are used, the functions and structures of the wireless receiver 24 and the controller 12 are not changed, and the connection relationship of the control circuit of the wireless receiver 24, the wireless microphone 24 and the controller 12 is not changed in the embodiment; when the wireless microphone 24 is used, the wireless microphone is placed in the microphone placing groove 25, and the rear cover 22 is used for sealing, so that the wireless microphone 24 is prevented from being lost, which is the whole process of working the loudspeaker.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A loudspeaker comprising an outer cover (1) and a rear cabinet (21), characterized in that: the wireless sensor network cable is characterized in that a fourth mounting groove (13) is mounted at the upper end of the outer cover (1), a second mounting groove (10) is mounted at the lower end of the outer cover (1), a third mounting groove (11) is mounted at the left end of the outer cover (1), a first mounting groove (4) is mounted at the right end of the outer cover (1), a mounting frame (2) is welded in the outer cover (1), a PCB (3) is mounted in the mounting frame (2), a controller (12) is inlaid in the PCB (3), and a wireless receiver (6) is mounted at the lower side of the PCB (3); the bottom of the outer cover (1) is connected with a base (9);

the lower end of the rear shell (21) is provided with a mounting groove (8), a cavity (26) is formed in the mounting groove (8), a microphone placing groove (25) is pasted in the cavity (26), and meanwhile, a wireless microphone (24) is placed in the microphone placing groove (25); a fourth mounting block (20) is mounted at the upper end of the rear shell (21), a second mounting block (18) is mounted at the lower end of the rear shell (21), a third mounting block (19) is mounted at the left end of the rear shell (21), a first mounting block (14) is mounted at the right end of the rear shell (21), a positioning block (15) is arranged on the first mounting block (14), a loudspeaker (29) is mounted on the outer cover (1), and the loudspeaker (29) is electrically connected with the controller (12); the sealing frame (16) is welded inside the rear case (21).

2. A loudspeaker as claimed in claim 1, wherein: first mounting groove (4), second mounting groove (10), third mounting groove (11) and fourth mounting groove (13) are inside all seted up location chamber (5), and the size looks adaptation of location chamber (5) and locating piece (15).

3. A loudspeaker as claimed in claim 1, wherein: limiting grooves (27) are formed in two ends of the upper portion of the mounting groove (8), the limiting grooves (27) are matched with the limiting blocks (28) in size, and the limiting grooves (27) and the limiting blocks (28) are arranged in a dovetail shape.

4. A loudspeaker as claimed in claim 1, wherein: limiting blocks (28) are inserted into the limiting grooves (27) at the upper ends of the mounting grooves (8), the two ends of the rear cover (22) are provided with the limiting blocks (28), and meanwhile the rear cover (22) is connected with stress lugs (23).

5. A loudspeaker as claimed in claim 1, wherein: the controller (12) is electrically connected with the wireless receiver (6), and the controller (12) is wirelessly connected with the wireless microphone (24) through the wireless receiver (6).

6. A loudspeaker as claimed in claim 1, wherein: the first mounting block (14), the second mounting block (18), the third mounting block (19) and the fourth mounting block (20) are respectively inserted into the first mounting groove (4), the second mounting groove (10), the third mounting groove (11) and the fourth mounting groove (13) through the positioning blocks (15).

7. A loudspeaker as claimed in claim 1, wherein: an inserting groove (17) is formed in the sealing frame (16), and the mounting frame (2) is inserted in the inserting groove (17).

8. A loudspeaker as claimed in claim 1, wherein: the size looks adaptation of back casing (21) and dustcoat (1), and the handle is installed to the upper end of dustcoat (1), and volume control switch and switch of dustcoat (1) upper end respectively with controller (12) electric connection simultaneously, controller (12) and panel (7) electric connection.

9. A loudspeaker as claimed in claim 1, wherein: rear shell (21) back has been seted up hinge groove (32) and has been accomodate groove (33), and hinge groove (32) with accomodate groove (33) and be linked together, articulated joint (30) articulate inside hinge groove (32) simultaneously to articulated joint (30) are connected with bracing piece (31), and bracing piece (31) are accomodate inside accomodating groove (33), and bracing piece (31), rear shell (21) and podium form triangle-shaped.