Scenic area loudspeaker shell

Abstract

The utility model discloses a scenic area loudspeaker shell, and particularly relates to the technical field of scenic area loudspeakers, which comprises a shell body, a loudspeaker is arranged in the shell body, a fixed partition plate is fixedly arranged in the shell body, a sound amplifying port communicated with the interior of the shell body is fixedly arranged at the front end of the shell body, and a filter screen plate is fixedly arranged on the inner wall of the front end of the sound amplifying port; a motor is fixedly arranged in the supporting box, a rotating rod is fixedly arranged on an output shaft of the motor, and a U-shaped rotating frame is fixedly arranged at the outer end of the rotating rod. Dust, small mosquitoes and the like are blocked through the filter screen plate, the situation that the dust and the small mosquitoes enter the loudspeaker is effectively avoided, then the filter screen plate is cleaned through the rotating cleaning plate and the cleaning brush, meanwhile, the filter screen plate is reversely blown through cooperation with the air blowing assembly, and therefore the dust and the small mosquitoes are effectively prevented from entering the loudspeaker. And dust can be prevented from entering the interior of the shell during cleaning while the loudspeaker is cooled, so that the practicability is relatively high.

Description

Technical Field

[0001] The utility model relates to the technical field of scenic spot loudspeakers, in particular to a scenic spot loudspeaker shell. Background Art

[0002] A megaphone is a device that amplifies sound and spreads it farther. It was invented by Lei Wei in 1950 and is mainly used for teaching, guiding, outdoor activities, and speech activities. In terms of form, the most common ones are gooseneck megaphones, handheld megaphones, and collar clip megaphones. In some scenic spots, megaphones are often used to promote some content.

[0003] At present, when the loudspeakers in scenic spots are actually used, there are many small mosquitoes and insects because there are many trees in the scenic spots. These small mosquitoes and insects often enter the inside of the loudspeakers through the sound amplification port, which affects the normal operation of the loudspeakers. Over time, the inside of the loudspeakers will be damaged, which will cause unnecessary economic losses. Utility Model Content

[0004] The purpose of the utility model is to provide a scenic spot loudspeaker shell to solve the above-mentioned deficiencies in the technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a scenic spot loudspeaker housing, comprising:

[0006] A shell, wherein a loudspeaker is arranged inside the shell, a fixed baffle is fixedly arranged inside the shell, a front end of the fixed baffle is fixedly connected to a rear end of the loudspeaker, a sound expansion port connected to the interior of the shell is fixedly arranged at the front end of the shell, and a filter screen is fixedly arranged on the inner wall of the front end of the sound expansion port;

[0007] A support box, wherein the support box is arranged at the rear side of the shell, a motor is fixedly provided inside the support box, a rotating rod is fixedly provided on the output shaft of the motor, a U-shaped rotating frame is fixedly provided on the outer end of the rotating rod, a blowing assembly is provided on one end of the rotating rod, the U-shaped rotating frame is arranged between the shell and the support box, a cleaning plate is provided between the two ends of the U-shaped rotating frame, a cleaning brush is fixedly provided on the rear end of the cleaning plate, and the rear end of the cleaning brush contacts the front end of the filter screen plate.

[0008] Preferably, the blowing assembly includes a blowing frame fixed on the inner rear wall of the shell, the blowing frame is arranged on the rear side of the fixed partition, one end of the rotating rod passes through the rear end of the shell and the rear end of the blowing frame and extends to the interior of the blowing frame, the rotating rod is rotatably connected to the shell and the blowing frame, and a plurality of fan blades are fixed on the outer side of one end of the blowing frame to facilitate heat dissipation of the loudspeaker and also to facilitate backblowing of the filter screen.

[0009] Preferably, four blowing pipes connected to the interior of the blowing frame are fixedly provided at the front end thereof, one end of the four blowing pipes passes through the fixed partition and extends to the front end of the fixed partition, and one end of the four blowing pipes are respectively arranged around the outer end of the loudspeaker to facilitate blowing wind through the outer end of the loudspeaker.

[0010] Preferably, movable grooves are provided at both ends of the U-shaped rotating frame, and both ends of the cleaning plate extend into the two movable grooves respectively.

[0011] Preferably, a fixing rod is fixedly provided at the rear end of the movable groove, one end of the two fixing rods respectively passes through the two ends of the cleaning plate and extends to the front side of the cleaning plate, one end of the fixing rod is fixedly provided with a connecting plate, and the outer end of the fixing rod is sleeved with a spring, and the two ends of the spring are respectively fixedly connected to the rear end of the connecting plate and the front end of the cleaning plate, so as to facilitate driving the cleaning plate and the cleaning brush to the filter plate.

[0012] Preferably, an L-shaped support plate is fixedly provided at the bottom end of the support box.

[0013] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0014] The filter plate is used to block dust and small mosquitoes, effectively preventing dust and small mosquitoes from entering the loudspeaker. The filter plate is then cleaned by a rotating cleaning plate and a cleaning brush, and the filter plate is back-blown with a blower assembly. While dissipating the heat of the loudspeaker, it can also prevent dust from entering the shell during cleaning, which is very practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

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

[0017] Figure 2 The overall three-dimensional cross-sectional structure of the utility model is shown in FIG. Figure 1 ;

[0018] Figure 3 The overall three-dimensional cross-sectional structure of the utility model is shown in FIG. Figure 2 ;

[0019] Figure 4 This is a schematic diagram of the three-dimensional structure of the blowing assembly of the utility model;

[0020] Figure 5This is a schematic diagram of a three-dimensional cross-sectional structure of a blowing frame of the utility model;

[0021] Figure 6 It is a partial three-dimensional cross-sectional structural schematic diagram of the U-shaped rotating frame and the cleaning plate of the utility model.

[0022] Description of reference numerals:

[0023] 1. Shell; 2. Loudspeaker; 3. Fixed partition; 4. Loudspeaker port; 5. Filter screen; 6. Support box; 7. Motor; 8. Rotating rod; 9. U-shaped rotating frame; 10. Cleaning plate; 11. Cleaning brush; 12. Blowing frame; 13. Fan blades; 14. Blowing pipe; 15. Movable slot; 16. Fixed rod; 17. Connecting plate; 18. Spring; 19. L-shaped supporting plate. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0025] The utility model provides Figures 1 to 6 A scenic spot loudspeaker housing is shown, comprising:

[0026] A shell body 1, a loudspeaker 2 is arranged inside the shell body 1, a fixed partition 3 is fixedly arranged inside the shell body 1, a front end of the fixed partition 3 is fixedly connected to a rear end of the loudspeaker 2, a sound expansion port 4 connected to the interior of the shell body 1 is fixedly arranged at the front end of the shell body 1, and a filter screen plate 5 is fixedly arranged on the inner wall of the front end of the sound expansion port 4;

[0027] A support box 6 is provided at the rear side of the shell 1, an L-shaped support plate 19 is fixedly provided at the bottom end of the support box 6, a motor 7 is fixedly provided inside the support box 6, a rotating rod 8 is fixedly provided on the output shaft of the motor 7, a U-shaped rotating frame 9 is fixedly provided at the outer end of the rotating rod 8, a blowing assembly is provided at one end of the rotating rod 8, the U-shaped rotating frame 9 is provided between the shell 1 and the support box 6, a cleaning plate 10 is provided between the two ends of the U-shaped rotating frame 9, a cleaning brush 11 is fixedly provided at the rear end of the cleaning plate 10, and the rear end of the cleaning brush 11 contacts with the front end of the filter screen plate 5.

[0028] The blowing assembly includes a blowing frame 12 fixed on the inner rear wall of the shell 1, the blowing frame 12 is arranged on the rear side of the fixed partition 3, one end of the rotating rod 8 passes through the rear end of the shell 1 and the rear end of the blowing frame 12 and extends to the inside of the blowing frame 12, the rotating rod 8 is rotatably connected to the shell 1 and the blowing frame 12, a plurality of fan blades 13 are fixedly provided on the outer side of one end of the blowing frame 12, four blowing pipes 14 connected to the interior of the blowing frame 12 are fixedly provided at the front end of the blowing frame 12, one end of the four blowing pipes 14 all pass through the fixed partition 3 and extend to the front end of the fixed partition 3, and one end of the four blowing pipes 14 are respectively arranged around the outer end of the loudspeaker 2.

[0029] Both ends of the U-shaped rotating frame 9 are provided with movable grooves 15, and both ends of the cleaning plate 10 extend into the two movable grooves 15 respectively. A fixing rod 16 is fixedly provided at the rear end of the movable groove 15. One end of the two fixing rods 16 passes through the two ends of the cleaning plate 10 respectively and extends to the front side of the cleaning plate 10. A connecting plate 17 is fixedly provided at one end of the fixing rod 16. A spring 18 is sleeved on the outer end of the fixing rod 16, and both ends of the spring 18 are fixedly connected to the rear end of the connecting plate 17 and the front end of the cleaning plate 10 respectively.

[0030] The filter screen plate 5 can block small mosquitoes and insects on its outside, start the motor 7, the output shaft of the motor 7 drives the rotating rod 8 to rotate, the rotating rod 8 drives the U-shaped rotating frame 9 to rotate, the U-shaped rotating frame 9 drives the cleaning plate 10 to rotate, the cleaning plate 10 drives the cleaning brush 11 to rotate, and the cleaning brush 11 will clean the outside of the filter screen plate 5, so that the small mosquitoes and insects and dust stuck on the filter screen plate 5 can be cleaned;

[0031] The rotating rod 8 will drive the multiple fan blades 13 to rotate while rotating. An air inlet is set at the rear end of the shell 1 and the blowing frame 12. The multiple rotating fan blades 13 will blow air into the four blowing pipes 14. The wind will blow around the outer end of the loudspeaker 2. On the one hand, it can take away the heat on the loudspeaker 2. At the same time, the blown wind will be discharged from the front end of the loudspeaker port 4, so that the filter plate 5 can be backblown, which can prevent dust from entering the shell 1 when the cleaning brush 11 cleans the filter plate 5.

[0032] The utility model blocks dust and small mosquitoes and the like through the filter screen plate 5, effectively preventing dust and small mosquitoes and insects from entering the interior of the loudspeaker 2, and then cleans the filter screen plate 5 through the rotating cleaning plate 10 and the cleaning brush 11, and at the same time cooperates with the blowing component to back-blow the filter screen plate 5, while dissipating the heat of the loudspeaker 2, it can also prevent dust from entering the interior of the shell 1 during cleaning, and has strong practicality. This embodiment specifically solves the problem that when the scenic area loudspeaker is actually used, there are many small mosquitoes and insects because there are many trees in the scenic area, and the small mosquitoes and insects often enter the interior of the loudspeaker from the loudspeaker port, which will affect the normal operation of the loudspeaker, and the internal part of the loudspeaker will be damaged over a long period of time, which will cause unnecessary economic losses.

[0033] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A scenic spot loudspeaker housing, characterized in that: include: A shell (1), wherein a loudspeaker (2) is arranged inside the shell (1), a fixed partition (3) is fixedly arranged inside the shell (1), a front end of the fixed partition (3) is fixedly connected to a rear end of the loudspeaker (2), a sound expansion port (4) connected to the interior of the shell (1) is fixedly arranged at the front end of the shell (1), and a filter screen (5) is fixedly arranged on the inner wall of the front end of the sound expansion port (4); A support box (6) is arranged at the rear side of the shell (1), a motor (7) is fixedly arranged inside the support box (6), a rotating rod (8) is fixedly arranged on the output shaft of the motor (7), a U-shaped rotating frame (9) is fixedly arranged at the outer end of the rotating rod (8), a blowing assembly is arranged at one end of the rotating rod (8), the U-shaped rotating frame (9) is arranged between the shell (1) and the support box (6), a cleaning plate (10) is arranged between the two ends of the U-shaped rotating frame (9), a cleaning brush (11) is fixedly arranged at the rear end of the cleaning plate (10), and the rear end of the cleaning brush (11) contacts the front end of the filter screen plate (5).

2. A scenic spot loudspeaker housing according to claim 1, characterized in that: The blowing assembly comprises a blowing frame (12) fixedly arranged on the inner rear wall of the shell (1); the blowing frame (12) is arranged on the rear side of the fixed partition (3); one end of the rotating rod (8) passes through the rear end of the shell (1) and the rear end of the blowing frame (12) and extends into the interior of the blowing frame (12); the rotating rod (8) is rotatably connected to the shell (1) and the blowing frame (12); and a plurality of fan blades (13) are fixedly arranged on the outer side of one end of the blowing frame (12).

3. A scenic spot loudspeaker housing according to claim 2, characterized in that: Four blowing pipes (14) connected to the interior of the blowing frame (12) are fixedly provided at the front end thereof, one end of each of the four blowing pipes (14) passes through the fixed partition (3) and extends to the front end of the fixed partition (3), and one end of each of the four blowing pipes (14) is respectively arranged around the outer end of the loudspeaker (2).

4. The scenic area loudspeaker housing according to claim 1, characterized in that: Both ends of the U-shaped rotating frame (9) are provided with movable grooves (15), and both ends of the cleaning plate (10) extend into the two movable grooves (15) respectively.

5. The scenic area loudspeaker housing according to claim 4, characterized in that: A fixing rod (16) is fixedly provided at the rear end of the movable groove (15), one end of each of the two fixing rods (16) passes through the two ends of the cleaning plate (10) and extends to the front side of the cleaning plate (10), one end of each of the fixing rods (16) is fixedly provided with a connecting plate (17), and a spring (18) is sleeved on the outer end of each of the fixing rods (16), and two ends of each of the springs (18) are fixedly connected to the rear end of the connecting plate (17) and the front end of the cleaning plate (10), respectively.

6. The scenic area loudspeaker housing according to claim 1, characterized in that: An L-shaped support plate (19) is fixedly provided at the bottom end of the support box (6).

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