Outdoor directional high-frequency horn loudspeaker

Abstract

The utility model provides an outdoor directional high-frequency horn horn which comprises a horn horn body, one side of the horn horn body is provided with a horn cylinder, and the bottom of the horn horn body is provided with a mounting base. Rotating arms are rotationally arranged on the two sides of the top of the horn horn body, a cover plate corresponding to the horn barrel is fixedly arranged at the end, away from the horn horn body, of each rotating arm, a hinge seat is fixedly arranged in the middle of the top of the horn horn body, and a telescopic driving component is hinged to the top of the hinge seat; one end, deviating from the hinge seat, of the telescopic driving part is hinged to the top end of the cover plate; according to the utility model, the cover plate can be driven to close or open the opening end of the horn by controlling the telescoping of the telescoping driving part, the cover plate opens the opening end of the horn in a use state, so that internal sound can be spread outwards, and the horn opening of the horn is closed in a non-use state, so that dust accumulation is reduced, and cleaning frequency and maintenance cost are reduced.

Description

Technical Field

[0001] This utility model belongs to the field of horn and loudspeaker technology, specifically relating to an outdoor directional high-frequency horn and loudspeaker. Background Technology

[0002] Outdoor directional high-frequency horn loudspeakers are a type of high-powered, directional broadcasting system suitable for outdoor traffic. They enable long-distance directional transmission of audible sound with strong penetration, ensuring that the broadcast content reaches the driver clearly even with the vehicle windows closed. They are typically installed on gantries, T-shaped structures, overpasses, toll stations, service areas, or other important road sections and locations requiring directional voice warnings, providing drivers with precise and directional road voice broadcast warnings.

[0003] Currently, outdoor directional high-frequency horn speakers are installed in outdoor environments, where dust easily accumulates inside. This dust accumulation affects the performance and sound quality of the horn speaker, requiring regular cleaning. Outdoor directional high-frequency horn speakers are not used 24 hours a day. When not in use, the horn speaker remains open, and dust accumulates inside it quickly, requiring frequent cleaning.

[0004] Therefore, it is necessary to design an outdoor directional high-frequency horn horn that closes its opening when not in use, thereby reducing dust accumulation, cleaning frequency, and maintenance costs, to solve the current technical problems. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this utility model provides an outdoor directional high-frequency horn horn that closes its opening when not in use, reducing dust accumulation, cleaning frequency, and maintenance costs.

[0006] The technical solution of this utility model is as follows: an outdoor directional high-frequency horn loudspeaker, including a horn loudspeaker body, a horn tube on one side of the horn loudspeaker body, and a mounting base at the bottom of the horn loudspeaker body; rotating arms are rotatably arranged on both sides of the top of the horn loudspeaker body, and a cover plate corresponding to the horn tube is fixedly arranged on the end of the rotating arm opposite to the horn loudspeaker body; a hinge seat is fixedly arranged in the center of the top of the horn loudspeaker body, and a telescopic drive component is hinged to the top of the hinge seat; the end of the telescopic drive component opposite to the hinge seat is hinged to the top of the cover plate.

[0007] A pad is fixedly provided on the side of the cover plate near the horn tube. The pad is a rubber plate or silicone plate that is bonded to one side of the cover plate.

[0008] A top plate is fixedly disposed between the two rotating arms, and one end of the top plate is fixedly connected to the top of the cover plate to form an integral structure.

[0009] The mounting base has a support base, a mounting plate is fixedly installed at the bottom of the support base, a rotating shaft is rotatably installed at the top of the support base, a locking disc is fixedly installed at the bottom end of the rotating shaft, the top end of the rotating shaft is connected to the horn body, and a locking bolt is provided on one side of the support base for locking or releasing it between the support base and the locking disc.

[0010] The support base has a circular groove inside, the locking disc is rotatably disposed inside the circular groove, a retaining ring is fixedly disposed at the top of the support base, the rotating shaft is rotatably disposed inside the retaining ring, and an internal threaded seat corresponding to the locking disc is disposed on the outer side of the support base. The locking bolt is assembled inside the internal threaded seat, and the end of the locking bolt corresponds to the side of the locking disc.

[0011] The locking disc is a regular 24-sided polygon.

[0012] A connecting flange is fixedly installed at the top of the rotating shaft, and the connecting flange is fixedly connected to the bottom of the horn body.

[0013] The telescopic drive component is an electric actuator.

[0014] The beneficial effects of this utility model are:

[0015] (1) In this utility model, the extension and retraction of the control telescopic drive component can drive the cover plate to close or open one end of the horn tube opening. In the use state, the cover plate opens one end of the horn tube opening, so that the internal sound can be transmitted outward. In the non-use state, the horn tube opening is closed to reduce dust accumulation, reduce cleaning frequency and maintenance cost.

[0016] (2) After the cover is opened, the cover is located above the horn and can play a certain protective role for the horn, especially in rainy or snowy weather, which can reduce the amount of rainwater carrying dust into the horn. Attached Figure Description

[0017] Figure 1 This is a structural diagram illustrating one usage state of the outdoor directional high-frequency horn speaker of this utility model.

[0018] Figure 2 This is a structural schematic diagram showing another usage state of the outdoor directional high-frequency horn speaker of this utility model.

[0019] Figure 3 This is a schematic diagram of the mounting base in this utility model. Detailed Implementation

[0020] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The descriptions of the exemplary embodiments are merely illustrative and are not intended to limit the present invention or its application or use in any way. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are provided to make the present invention thorough and complete, and to fully express the scope of the present invention to those skilled in the art. It should be noted that, unless otherwise specifically stated, the relative arrangement of components and steps, the composition of materials, numerical expressions, and values ​​set forth in these embodiments should be interpreted as merely exemplary and not as limiting.

[0021] The terms "first," "second," and similar words used in this invention do not indicate any order, quantity, or importance, but are merely used to distinguish different parts. Words such as "including" or "comprising" mean that the element preceding the word encompasses the element listed after it, and do not exclude the possibility of encompassing other elements as well. Terms such as "upper," "lower," "left," and "right" are only used to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0022] like Figures 1 to 3 As shown, an outdoor directional high-frequency horn loudspeaker includes a horn loudspeaker body 1, a horn tube 2 on one side of the horn loudspeaker body 1, and a mounting base 3 at the bottom of the horn loudspeaker body 1. Rotating arms 6 are rotatably mounted on both sides of the top of the horn loudspeaker body 1. A cover plate 4 corresponding to the horn tube 2 is fixedly mounted on one end of the rotating arm 6 away from the horn loudspeaker body 1. A hinge seat 7 is fixedly mounted in the center of the top of the horn loudspeaker body 1. A telescopic drive component 8 is hinged to the top of the hinge seat 7. The end of the telescopic drive component 8 away from the hinge seat 7 is connected to the top of the cover plate 4. The components are hinged together. In this embodiment, the extension and retraction of the telescopic drive component 8 can drive the cover plate 4 to close or open one end of the opening of the horn tube 2. In use, the cover plate 4 opens one end of the opening of the horn tube 2, allowing the internal sound to propagate outward. In non-use, the horn opening is closed to reduce dust accumulation, reduce cleaning frequency and maintenance costs. At the same time, after the cover plate 4 is opened, it is located above the horn tube 2, which can play a certain protective role for the horn tube 2, especially in rainy and snowy weather, which can reduce the amount of rainwater carrying dust into the horn tube 2.

[0023] In some embodiments, a pad 5 is fixedly provided on the side of the cover plate 4 near the horn tube 2. The pad 5 is made of elastic material and can improve the sealing effect when the cover plate 4 closes the horn tube 2. Specifically, the pad 5 is a rubber plate or silicone plate that is bonded and fixed to one side of the cover plate 4.

[0024] In some embodiments, a top plate 9 is fixedly provided between the two rotating arms 6. One end of the top plate 9 is fixedly connected to the top of the cover plate 4 to form an integral structure. The top plate 9 can provide a certain degree of protection for the horn tube 2 above the cover plate 4 when the cover plate 4 closes the horn tube 2.

[0025] In some embodiments, the mounting base 3 has a support base 31, a mounting plate 32 is fixedly disposed at the bottom of the support base 31, a rotating shaft 35 is rotatably disposed at the top of the support base 31, a locking disc 34 is fixedly disposed at the bottom end of the rotating shaft 35, the top end of the rotating shaft 35 is connected to the horn body 1, and a locking bolt 39 is disposed on one side of the support base 31 for locking or releasing it from the locking disc 34; the locking bolt 39 releases the support base 31 from the locking disc 34, allowing the horn body 1 to rotate relative to the mounting plate 32 to adjust the orientation of the horn tube 2; after adjustment, the support base 31 and the locking disc 34 are locked together by the locking bolt 39.

[0026] In some embodiments, a circular groove 33 is provided inside the support base 31, and a locking disc 34 is rotatably disposed inside the circular groove 33. A retaining ring 36 is fixedly disposed at the top of the support base 31, and a rotating shaft 35 is rotatably disposed inside the retaining ring 36. An internal threaded seat 38 corresponding to the locking disc 34 is provided on the outer side of the support base 31, and a locking bolt 39 is assembled inside the internal threaded seat 38. The end of the locking bolt 39 corresponds to the side of the locking disc 34. When the locking bolt 39 is turned in both directions, its end abuts against or moves away from the outer side of the locking plate 34, thereby realizing the locking or releasing between the support base 31 and the locking disc 34.

[0027] In some embodiments, the locking disc 34 is a regular 24-sided polygon, and the outer side of the locking disc 34 has 24 flat surfaces that match the ends of the locking bolts 39. The locking bolts 39 abut against any of the flat surfaces, which can stably lock the support base 31 and the locking disc 34 together.

[0028] In some embodiments, a connecting flange 37 is fixedly provided at the top end of the rotating shaft 35, and the connecting flange 37 is fixedly connected to the bottom of the horn body 1.

[0029] In the above embodiment, the telescopic drive component 8 is an electric actuator.

[0030] The various embodiments of this utility model have now been described in detail. To avoid obscuring the concept of this utility model, some details known in the art have not been described. Those skilled in the art can fully understand how to implement the technical solutions disclosed herein based on the above description.

[0031] The embodiments described above only illustrate some implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. An outdoor directional high-frequency horn loudspeaker, characterized in that: It includes a horn body, a horn tube on one side of the horn body, and a mounting base at the bottom of the horn body; Rotating arms are rotatably mounted on both sides of the top of the horn body. A cover plate corresponding to the horn tube is fixedly mounted on the end of the rotating arm opposite to the horn body. A hinge seat is fixedly mounted in the center of the top of the horn body. A telescopic drive component is hinged to the top of the hinge seat. The end of the telescopic drive component opposite to the hinge seat is hinged to the top of the cover plate.

2. The outdoor directional high-frequency horn loudspeaker according to claim 1, characterized in that: A pad is fixedly provided on the side of the cover plate near the horn tube. The pad is a rubber plate or silicone plate that is bonded to one side of the cover plate.

3. The outdoor directional high-frequency horn loudspeaker according to claim 1, characterized in that: A top plate is fixedly disposed between the two rotating arms, and one end of the top plate is fixedly connected to the top of the cover plate to form an integral structure.

4. The outdoor directional high-frequency horn loudspeaker according to claim 1, characterized in that: The mounting base has a support base, a mounting plate is fixedly installed at the bottom of the support base, a rotating shaft is rotatably installed at the top of the support base, a locking disc is fixedly installed at the bottom end of the rotating shaft, the top end of the rotating shaft is connected to the horn body, and a locking bolt is provided on one side of the support base for locking or releasing it between the support base and the locking disc.

5. The outdoor directional high-frequency horn loudspeaker according to claim 4, characterized in that: The support base has a circular groove inside, the locking disc is rotatably disposed inside the circular groove, a retaining ring is fixedly disposed at the top of the support base, the rotating shaft is rotatably disposed inside the retaining ring, and an internal threaded seat corresponding to the locking disc is disposed on the outer side of the support base. The locking bolt is assembled inside the internal threaded seat, and the end of the locking bolt corresponds to the side of the locking disc.

6. The outdoor directional high-frequency horn loudspeaker according to claim 5, characterized in that: The locking disc is a regular 24-sided polygon.

7. The outdoor directional high-frequency horn loudspeaker according to claim 4, characterized in that: A connecting flange is fixedly installed at the top of the rotating shaft, and the connecting flange is fixedly connected to the bottom of the horn body.

8. The outdoor directional high-frequency horn loudspeaker according to claim 1, characterized in that: The telescopic drive component is an electric actuator.

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