Outdoor broadcasting device

Abstract

The utility model relates to the technical field of broadcasting, in particular to an outdoor broadcasting device, which comprises a device protective cover and a plurality of groups of broadcasting loudspeakers distributed in the device protective cover, a plurality of groups of windows corresponding to the broadcasting loudspeakers are arranged on the periphery of the side wall of the device protective cover, a vertical shaft is rotatably arranged at the center in the device protective cover, and the vertical shaft is connected with the broadcasting loudspeakers. The vertical shaft is connected with each group of broadcasting horns through a pushing assembly, and the pushing assemblies are used for driving ports of the broadcasting horns to be in butt joint with the windows to broadcast outwards or withdraw into the device protective cover for protection; meanwhile, a sealing plate is arranged on the window in an opening and closing mode and connected with the vertical shaft through a lifting assembly, by means of the structural arrangement of the pushing assembly and the lifting assembly, the sealing plate can be connected with the vertical shaft, kinetic energy of the vertical shaft is transmitted to the multiple sets of broadcasting loudspeakers and the sealing plate, and synchronous different-direction linkage of the broadcasting loudspeakers and the sealing plate is achieved; through the arrangement of the device protective cover, the broadcasting loudspeaker can be covered and protected in all directions when the broadcasting loudspeaker does not work, so that the external environment is effectively prevented from eroding the broadcasting loudspeaker.

Description

Technical Field

[0001] The utility model relates to the technical field of broadcasting, in particular to an outdoor broadcasting device. Background Art

[0002] Outdoor broadcasting consists of multiple groups of broadcasting loudspeakers, which face different directions respectively, so that the broadcasting can be transmitted to all directions. Most outdoor broadcasting is installed in an exposed outdoor environment, resulting in a limited service life of the outdoor broadcasting. Therefore, an outdoor broadcasting device with a protective structure is needed to cover and protect the broadcasting loudspeakers when not broadcasting. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the present scheme provides an outdoor broadcasting device, which is achieved by the following specific technical means: it includes a device protective cover and multiple groups of broadcasting speakers distributed in the device protective cover, and multiple groups of windows are opened around the side wall of the device protective cover, each group of the windows corresponds to a group of broadcasting speakers, and a vertical axis is rotatably provided at the center of the device protective cover, and the vertical axis is connected to each group of broadcasting speakers through a pushing component; at the same time, a sealing plate is opened and closed on the window, and the sealing plate is connected to the vertical axis through a lifting component.

[0004] Preferred technical solution 1: A bevel gear 1 is sleeved on the vertical shaft, and the pushing assembly includes a pushing screw rotatably arranged in the protective cover of the device. The fixing frame installed on the broadcasting speaker is sleeved on the pushing screw through a threaded hole, and at the same time, the pushing screw is meshed with the bevel gear 1 through a bevel gear 2 sleeved on the end.

[0005] Preferred technical solution 2: Tracks are installed on both sides of the window, and both sides of the sealing plate are slidably arranged in the tracks on both sides of the window.

[0006] Preferred technical solution three: a bevel gear three is also sleeved on the vertical shaft, and the lifting assembly includes a transmission shaft rotatably arranged on the top wall of the device protective cover, a wire wheel is sleeved on the transmission shaft, and the end of the rope wound on the wire wheel is connected to the sealing plate. At the same time, the transmission shaft is meshed with the bevel gear three on the vertical shaft through the bevel gear four sleeved thereon.

[0007] Preferred technical solution four: A bracket is provided above the side wall of the protective cover of the device, and the bracket is located above the sealing plate. A guide wheel is rotatably mounted on the bracket, and the end of the rope wound on the wire wheel passes around the guide wheel and then connects to the sealing plate.

[0008] Preferred technical solution five: a motor is arranged in the protective cover of the device, and the output shaft of the motor is fixedly connected to the vertical shaft.

[0009] The above structure enables this solution to have the following beneficial effects:

[0010] 1. The push assembly and the lifting assembly are connected to the vertical axis by using their structural settings, so that the kinetic energy of the vertical axis is transmitted to multiple groups of broadcasting speakers and sealing plates, thus realizing synchronous and directional linkage between the two.

[0011] 2. The protective cover of the device can provide all-round protection for the loudspeaker when it is not working, effectively preventing the external environment from corroding the loudspeaker and increasing its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0013] Figure 1 This is a schematic diagram of the overall structure of this scheme;

[0014] Figure 2 This is a schematic diagram of the internal structure of the protective cover of this solution;

[0015] Figure 3 This is a schematic diagram of the structure of the components for this solution;

[0016] Figure 4 This is a schematic diagram of the structure of the push component for this solution.

[0017] Among them, 1. Device protection cover, 11. Window, 12. Track, 2. Broadcasting speaker, 21. Fixed frame, 3. Vertical axis, 31. Bevel gear one, 32. Bevel gear three, 4. Pushing assembly, 41. Bevel gear two, 42. Pushing screw, 5. Lifting assembly, 51. Transmission shaft, 52. Wire wheel, 53. Rope, 54. Bevel gear four, 55. Bracket, 56. Guide wheel, 6. Motor, 7. Limit rod, 8. Closing plate. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-Figure 2, an outdoor broadcasting device, including a device protection cover 1 and multiple groups of broadcasting speakers 2 distributed in the device protection cover 1, multiple groups of windows 11 are arranged around the side wall of the device protection cover 1, each group of windows 11 corresponds to a group of broadcasting speakers 2, a vertical shaft 3 is arranged at the center of the device protection cover 1 and also located between the multiple groups of broadcasting speakers 2, a motor 6 is arranged in the device protection cover 1, the output shaft of the motor 6 is fixedly connected to the vertical shaft 3, and the vertical shaft 3 is connected to each group of broadcasting speakers 2 through a pushing component 4, and the pushing component 4 is used to drive the broadcasting speaker 2 port docking window 11 to broadcast externally, or retract it into the device protection cover 1 for protection; at the same time, the window Tracks 12 are installed on both sides of 11, and a closing plate 8 is slid between the tracks 12 on both sides of the window 11. The intermittent opening and blocking of the window 11 is achieved by sliding the closing plate 8 up and down. The closing plate 8 is connected to the vertical axis 3 through the lifting component 5. The lifting component 5 is used to drive the closing plate 8 to slide up and down in the track 12. When the lifting component 5 drives the closing plate 8 away from the window 11, the pushing component 4 pushes the broadcasting speaker 2 outward, and when the lifting component 5 drives the closing plate 8 to move downward to block the window 11, the pushing component 4 pulls the broadcasting speaker 2 back, and the linkage control between the two actions is achieved through the connection between the vertical axis 3, the lifting component 5 and the pushing component 4.

[0020] See also Figure 2 and Figure 4 , an outdoor broadcasting device, a bevel gear 31 is sleeved on the vertical shaft 3, a pushing assembly 4 includes a pushing screw 42 rotatably arranged in the device protective cover 1, a fixing frame 21 installed on the broadcasting speaker 2 is sleeved on the pushing screw 42 through a threaded hole, and at the same time, the pushing screw 42 is meshed with the bevel gear 31 through the bevel gear 2 41 sleeved on the end, so that the technical effect of driving the broadcasting speaker 2 to move horizontally is achieved through the rotation of the vertical shaft 3;

[0021] A limit rod 7 is arranged in parallel with the push screw 42 in the device protection cover 1 , and the fixing frame 21 is slidably connected with the limit rod 7 , and the limit rod 7 cooperates with the push screw 42 to support and limit the fixing frame 21 .

[0022] See also Figure 2-Figure 3 , an outdoor broadcasting device, a bevel gear three 32 is also sleeved on the vertical shaft 3, the lifting assembly 5 includes a transmission shaft 51 rotatably arranged on the top wall of the device protective cover 1, and a wire wheel 52 is sleeved on the transmission shaft 51. The lifting assembly 5 also includes a bracket 55 arranged on the side wall of the device protective cover 1 and located above the sealing plate 8, and a guide wheel 56 is rotatably installed on the bracket 55. The end of the rope 53 wrapped around the wire wheel 52 passes around the guide wheel 56 and is connected to the sealing plate 8. At the same time, the transmission shaft 51 is meshed with the bevel gear three 32 on the vertical shaft 3 through the bevel gear four 54 sleeved thereon. The rotation of the vertical shaft 3 can simultaneously drive multiple groups of wire wheels 52 to rotate, thereby realizing the lifting and lowering control of multiple groups of sealing plates 8.

[0023] See also Figure 1, the size of the window 11 of the outdoor broadcasting device is consistent with the size of the front port of the broadcasting speaker 2, so that the window 11 can be blocked when the broadcasting speaker 2 moves forward to broadcast, thereby preventing external dust from entering the device protective cover 1.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An outdoor broadcasting device, comprising a device protection cover (1) and a plurality of groups of broadcasting loudspeakers (2) distributed in the device protection cover (1), characterized in that: A plurality of groups of windows (11) are provided around the side wall of the device protective cover (1), each group of the windows (11) corresponds to a group of broadcasting speakers (2), a vertical shaft (3) is rotatably provided at the center of the device protective cover (1), the vertical shaft (3) and each group of broadcasting speakers (2) are connected via a pushing assembly (4), the pushing assembly (4) is used to drive the port of the broadcasting speaker (2) to approach or move away from the window (11), and a sealing plate (8) is provided on the window (11) for opening and closing, the sealing plate (8) is connected to the vertical shaft (3) via a lifting assembly (5), and the lifting assembly (5) is used to drive the sealing plate (8) to move up and down to realize the opening or closing of the window (11).

2. An outdoor broadcasting device according to claim 1, characterized in that: The vertical shaft (3) is sleeved with a bevel gear 1 (31), the pushing assembly (4) comprises a pushing screw (42) rotatably arranged in the device protection cover (1), the fixing frame (21) installed on the broadcasting speaker (2) is sleeved on the pushing screw (42) through a threaded hole, and the pushing screw (42) is meshed with the bevel gear 1 (31) through the bevel gear 2 (41) sleeved on the end.

3. An outdoor broadcasting device according to claim 1, characterized in that: Tracks (12) are installed on both sides of the window (11), and both sides of the sealing plate (8) are slidably arranged in the tracks (12) on both sides of the window (11).

4. An outdoor broadcasting device according to claim 1, characterized in that: The vertical shaft (3) is also sleeved with a bevel gear three (32), and the lifting assembly (5) includes a transmission shaft (51) rotatably arranged on the top wall of the device protective cover (1), and a wire wheel (52) is sleeved on the transmission shaft (51), and the end of the rope (53) wound on the wire wheel (52) is connected to the sealing plate (8), and at the same time, the transmission shaft (51) is meshed with the bevel gear three (32) on the vertical shaft (3) through the bevel gear four (54) sleeved thereon.

5. An outdoor broadcasting device according to claim 4, characterized in that: A bracket (55) is arranged above the side wall of the device protective cover (1), and the bracket (55) is located above the sealing plate (8). A guide wheel (56) is rotatably mounted on the bracket (55), and the end of the rope (53) wound on the wire wheel (52) passes around the guide wheel (56) and is connected to the sealing plate (8).

6. An outdoor broadcasting device according to claim 1, characterized in that: A motor (6) is arranged inside the device protective cover (1), and an output shaft of the motor (6) is fixedly connected to the vertical shaft (3).

7. An outdoor broadcasting device according to claim 1, characterized in that: The size of the window (11) is consistent with the size of the front port of the broadcasting speaker (2).

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