CN218877582U - Mechanism and unmanned aerial vehicle call - Google Patents

Abstract

The application provides a mechanism and unmanned aerial vehicle of propaganda directed to, relates to unmanned aerial vehicle technical field. The mechanism of shouting includes base, carry subassembly, quick detach subassembly and megaphone, and the carry subassembly is connected in the megaphone, and the quick detach subassembly is connected in the base, and the megaphone can insert the installation space of base. The quick detach subassembly rotates the piece and has the joint position and dodge the position including rotating, when rotating the piece and being located the joint position, rotates the piece and can cooperate with the carry subassembly joint to the restriction megaphone is taken out from installation space. When rotating the position of dodging to, rotate the piece and can remove the cooperation with the carry subassembly to make the megaphone take out from installation space. It can be seen that the rapid mounting and dismounting of the megaphone can be achieved by means of a rotatable member which is adjustable in position. Unmanned aerial vehicle includes foretell propaganda directed to the police mechanism, therefore it has the advantage that can quick assembly disassembly megaphone.

Description

Call mechanism and unmanned aerial vehicle

Technical Field

The application relates to the technical field of unmanned aerial vehicles, particularly, relate to a mechanism and unmanned aerial vehicle of propaganda directed to communicate.

Background

In the correlation technique, the megaphone sets up in the unmanned aerial vehicle outside, and it is fixed to be connected through screw and unmanned aerial vehicle's fuselage, and the dismouting megaphone process is more loaded down with trivial details that wastes time and energy, can not realize quick assembly disassembly.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a mechanism and unmanned aerial vehicle of propaganda directed to communicate, its loading and unloading efficiency that can improve the megaphone.

The embodiment of the application is realized as follows:

in a first aspect, the application provides a megaphone mechanism, which comprises a base, a mounting assembly, a quick-release assembly and a megaphone, wherein the mounting assembly is connected with the megaphone, the quick-release assembly is connected with the base, and the base is provided with an installation space for the megaphone to be inserted in a preset direction; the quick detach subassembly rotates the piece and can rotate and have the joint position and dodge the position on the pivoted route for the base including rotating, when rotating the piece and being located the joint position, rotates the piece and can cooperate with carry subassembly joint to the restriction megaphone is taken out from installation space, and when rotating the piece and being located and dodging the position, rotates the piece and can remove the cooperation with carry subassembly.

In an alternative embodiment, the quick release assembly further includes a resilient member for providing a rotational force to the rotating member from the retracted position to the clamping position.

In an alternative embodiment, the megaphone has an assembly position in the mounting space of the base, when the megaphone is in the assembly position, the rotating member located in the clamping position can be in clamping fit with the mounting assembly on the megaphone; the megaphone can insert the installation space of base and reach the mounted position along predetermineeing the direction, and the axis of rotation of rotating the piece is perpendicular with predetermineeing the direction, and the carry subassembly can force the rotation piece to rotate to dodging the position by the joint position at megaphone plug-in process to when the megaphone reachs the mounted position, rotate the piece and rotate to the joint position under the drive of elastic component.

In an optional embodiment, the quick release assembly further includes a mounting seat and a pin, the mounting seat is connected to the base and located inside the mounting space, the pin is disposed on the mounting seat, the rotating member is rotatably connected to the pin, and the elastic member abuts against the rotating member and the mounting seat.

In an optional embodiment, the elastic member is a torsion spring, the torsion spring is sleeved on the pin shaft, and two arms of the torsion spring are respectively abutted to the mounting seat and the rotating member.

In an alternative embodiment, the rotating member is provided with a torsion spring slot, the pin shaft passes through the torsion spring slot, one arm of the torsion spring abuts against the inner wall of the torsion spring slot, and the other arm abuts against the mounting seat.

In an optional embodiment, the quick release assembly further comprises a pull rope, one end of the pull rope is connected to the rotating member, and the pull rope can drive the rotating member to provide a turning avoidance position from the clamping position when the pull rope is pulled by external force.

In an alternative embodiment, the base is provided with at least two quick release assemblies, each arranged at intervals around the circumference of the megaphone.

In optional implementation, the mount assembly includes the snap ring, and the outside of megaphone is located to the snap ring cover, and the snap ring cooperates with rotating the piece joint.

In an alternative embodiment, the snap ring comprises a first half ring and a second half ring, the first half ring and the second half ring are both in a semi-circular arc shape, two ends of the first half ring and two ends of the second half ring are connected in a one-to-one correspondence, and at least one end of the first half ring is detachably connected with the second half ring.

In optional implementation mode, the protruding joint boss that is equipped with in the outside of snap ring, the joint boss is used for the butt to be located the rotation piece of joint position to the restriction megaphone is taken out from installation space.

In an optional embodiment, the end of the rotating member has an abutting surface, the abutting surface extends around the rotation axis of the rotating member and is a convex arc surface, the clamping boss has a matching surface, the matching surface is a concave arc surface and has the same curvature as the abutting surface, and the matching surface is used for matching with the abutting surface of the rotating member at the clamping position.

In an optional implementation mode, a first limiting portion is convexly arranged on the periphery of the megaphone, a first limiting groove is formed in the front end of the clamping ring in the preset direction, and the first limiting portion is matched with the first limiting groove.

In an alternative embodiment, the megaphone has an assembly position in the mounting space of the base, when the megaphone is in the assembly position, the rotating member located in the clamping position can be in clamping fit with the mounting assembly on the megaphone; the inner wall of installation space is provided with the spacing portion of second, and the spacing portion of second is used for butt mount subassembly in order to block that the megaphone continues to move along predetermineeing the direction after reaching the device position.

In an optional embodiment, at least one of the second limiting portion and the mounting assembly is provided with a buffer, and the second limiting portion and the mounting assembly abut against each other through the buffer.

In an optional embodiment, the second limiting portion is provided with a second limiting groove, and a part of the mounting assembly can abut into the second limiting groove along a preset direction.

In an alternative embodiment, at least two second limiting parts are arranged in the mounting space, and the second limiting parts are arranged at intervals around the circumference of the megaphone.

In an alternative embodiment, the base is a canopy housing enclosing an installation space with an opening.

In an alternative embodiment, the megaphone is a horn.

In a second aspect, the application provides a drone comprising a shouting mechanism according to any of the preceding embodiments.

The beneficial effects of the embodiment of the application include:

the mechanism of shouting of this application embodiment includes base, carry subassembly, quick detach subassembly and shouting ware, and the carry subassembly is connected in shouting ware, and the quick detach subassembly is connected in the base, and shouting ware can insert the installation space of base to realize fixedly through the cooperation of quick detach subassembly and carry subassembly. The quick detach subassembly rotates the piece including rotating, rotates the piece and can rotate and have the joint position and dodge the position for the base on the pivoted route, when rotating the piece and being located the joint position, rotates the piece and can cooperate with the carry subassembly joint to the restriction megaphone is taken out from installation space, thereby makes the megaphone keep in installation space. When rotating the position of dodging to, rotate the piece and can remove the cooperation with the carry subassembly to make the megaphone take out from installation space. It is thus clear that the rotation piece through adjustable position can realize the quick installation and demolish of megaphone, therefore the megaphone of the mechanism of speaking of this application embodiment can quick assembly disassembly.

The unmanned aerial vehicle that this application embodiment provided includes foretell mechanism of propaganda directed to communicate, therefore its megaphone can quick assembly disassembly.

Drawings

To more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

FIG. 1 is a schematic view of the assembly of a shouting mechanism in one embodiment of the present application;

FIG. 2 is a schematic illustration of a base in one embodiment of the present application;

FIG. 3 is a schematic view of a mount in an embodiment of the present application;

FIG. 4 is a schematic view of the engagement of the rotating member, the pin and the resilient member according to an embodiment of the present application;

FIG. 5 is a schematic view of a rotating member according to an embodiment of the present application;

FIG. 6 is a schematic view of a rotatable member engaged with a mounting assembly according to an embodiment of the present application;

FIG. 7 is an illustration of a mounting assembly in an embodiment of the subject application;

FIG. 8 is a schematic view of a first half of an embodiment of the present application;

FIG. 9 is a schematic view of a second half of an embodiment of the present application;

FIG. 10 is a schematic view of a second position-limiting portion under a first viewing angle according to an embodiment of the present disclosure;

fig. 11 is a schematic view of a second limiting portion under a second viewing angle according to an embodiment of the present disclosure.

010-shouting mechanism; 100-a base; 101-installation space; 110-quick release mounting holes; 120-limiting mounting holes; 200-a quick release assembly; 210-a rotating member; 210 a-a head end; 210 b-tail end; 211-an abutment surface; 212-pin holes; 213-torsion spring groove; 214-stay cord hole; 220-an elastic member; 230-a mounting seat; 231 — first fixing hole; 232-accommodating grooves; 233-jack; 240-pin shaft; 300-a megaphone; 310-a first limit part; 400-mounting the component; 410-a first half-ring; 411-a first arc; 412-a first snap boss; 413 — a first mating face; 414-first connection; 415-a first via; 416-a nut positioning slot; 420-a second half-ring; 421-a second arcuate portion; 422-a second clamping boss; 423-second mating face; 424-a second connecting portion; 425-a second via; 426-a counter bore; 430-screw; 440-a first restraint slot; 500-a second limit portion; 510-a second fixing hole; 520-a second limit groove; 530-chamfering; 540-buffer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience of describing the present application and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

In the environment that some road conditions are complicated or have the risk, personnel are difficult to the dispatch, if need the broadcast carry out information communication and command, can utilize the good mobility of unmanned aerial vehicle, carry the megaphone on unmanned aerial vehicle, control unmanned aerial vehicle flight again and shout to the target location. But present megaphone all is connected with unmanned aerial vehicle's fuselage through fasteners such as screws, wastes time and energy when loading and unloading megaphone. In order to improve the problem that megaphone handling efficiency is low, the embodiment of the application provides a mechanism of megaphone, can realize the fast loading and unloading of megaphone.

Fig. 1 is a schematic view illustrating an assembly of the electric megaphone mechanism 010 according to an embodiment of the present invention. As shown in fig. 1, a shouting mechanism 010 provided by the embodiment of the present application includes a base 100, a quick release assembly 200, a mounting assembly 400, and a shout 300. Wherein the mounting assembly 400 is connected to the megaphone 300 and the quick release assembly 200 is connected to the base 100. The base 100 has an installation space 101 into which the megaphone 300 is inserted in a preset direction. The megaphone 300 has an assembly position in the installation space 101 of the base 100, the megaphone 300 can be inserted into the installation space 101 of the base 100 along a preset direction and reach the assembly position, and then the quick release assembly 200 is engaged with the mounting assembly 400, so that the megaphone 300 can be fixed at the assembly position without falling out of the installation space 101 along a direction opposite to the preset direction. In addition, in the present embodiment, the inner wall of the installation space 101 is provided with a second limiting portion 500, and the second limiting portion 500 is used for abutting against the mounting assembly 400 to prevent the megaphone 300 from moving in the preset direction after reaching the installation position.

Fig. 2 is a schematic view of a base 100 according to an embodiment of the present application. As shown in fig. 1 and 2, in the present embodiment, the base 100 is a canopy housing, which encloses an installation space 101 having an opening. In the embodiment of fig. 2, the upper end and the lower end of the parachute bay casing are provided with openings, the wiring harness of the megaphone 300 can pass through the openings at the upper end, and the openings at the lower end are used for inserting the megaphone 300 into the installation space 101 and transmitting sound. The nacelle housing has a certain height in a predetermined direction so that the installation space 101 has a considerable depth to completely accommodate the megaphone 300 in an assembled position, which can provide a good protection of the megaphone 300 and is more advantageous in emitting sound emitted from the megaphone 300 toward a set direction (i.e., a direction toward which the lower end opening is directed). Moreover, the parachute bay housing can effectively reduce the wind resistance of the shouting mechanism 010. Of course, in alternative embodiments, the mounting space 101 may not be formed by the canopy housing, and the base 100 may have other forms, such as the base 100 being a frame in which the megaphone 300 is mounted.

In this embodiment, the nacelle housing is provided with a quick release mounting hole 110 and a limit mounting hole 120, which are respectively used for mounting the quick release assembly 200 and the second limit portion 500. The cross-sectional profile of the canopy housing along a direction perpendicular to the predetermined direction (the insertion direction of the megaphone 300) is substantially rectangular, the two sets of quick release mounting holes 110 are respectively disposed on two opposite sidewalls of the canopy housing, and the two sets of limit mounting holes 120 are respectively disposed on the other two opposite sidewalls of the canopy housing. In this embodiment, the number of each set of quick-release mounting holes 110 is two, and the number of each set of limiting mounting holes 120 is two. The umbrella cabin shell in this embodiment can be provided with two quick release assemblies 200 and two second limiting portions 500, and the specific number of groups of quick release mounting holes 110 and limiting mounting holes 120 can be adjusted according to the number of quick release assemblies 200 and second limiting portions 500 required to be mounted.

FIG. 3 is a schematic view of a mounting block 230 according to an embodiment of the present disclosure; fig. 4 is a schematic diagram illustrating the combination of the rotating member 210, the pin 240 and the elastic member 220 according to an embodiment of the present invention. As shown in fig. 1 to 4, in the embodiment of the present application, the rotating member 210 of the quick release assembly 200 can rotate relative to the base 100 and has a latching position and a shielding position in a rotating path, when the rotating member 210 is located at the latching position, the rotating member 210 can be latched and engaged with the mounting assembly 400 to limit the megaphone 300 to be drawn out from the mounting space 101, and when the rotating member 210 is located at the shielding position, the rotating member 210 can be disengaged from the mounting assembly 400, so that the megaphone 300 together with the mounting assembly 400 can be drawn out from the mounting space 101.

Fig. 5 is a schematic view of the rotating member 210 according to an embodiment of the present application. As shown in fig. 3 to fig. 5, in the embodiment, the quick release assembly 200 specifically includes a mounting base 230, a pin 240, a rotating member 210 and an elastic member 220, the mounting base 230 is connected to the base 100 and located inside the mounting space 101, the pin 240 is disposed on the mounting base 230, the rotating member 210 is rotatably connected to the pin 240, and the elastic member 220 is sleeved on the pin 240 and abuts against the rotating member 210 and the mounting base 230. The elastic member 220 is used to provide a force to the rotation member 210 to rotate from the escape position to the catching position. Specifically, two first fixing holes 231 are formed in the mounting base 230, so that the mounting base 230 can be fixed to the quick-release mounting holes 110 on the base 100 through fasteners (such as screws). The mounting base 230 is provided with a receiving groove 232, two opposite side walls of the receiving groove 232 are provided with insertion holes 233, and the pin shaft 240 is inserted into the mounting base 230 through the insertion holes 233 and penetrates through the two opposite side walls of the receiving groove 232. In this embodiment, a part of the rotating member 210 is received in the receiving groove 232 of the mounting base 230, and is rotatably connected to a portion of the pin 240 located in the receiving groove 232. The elastic component 220 is a torsion spring, the torsion spring is sleeved on the pin shaft 240, and two arms of the torsion spring respectively abut against the mounting seat 230 and the rotating component 210, so that the torsion spring can provide a trend of rotating towards the clamping position for the rotating component 210.

Specifically, the rotating member 210 is further provided with a torsion spring slot 213, the pin 240 passes through the torsion spring slot 213, one arm of the torsion spring abuts against an inner wall of the torsion spring slot 213, and the other arm abuts against the mounting base 230. As shown in fig. 5, the rotation member 210 is provided with a pin hole 212 through which the pin 240 passes, and the pin hole 212 is located on a side wall of the torsion spring groove 213. The torsion spring slot 213 also has a bottom wall that is perpendicular to the side walls of the torsion spring slot 213 so that one arm of the torsion spring can abut against the bottom wall of the torsion spring slot 213. Through setting up the torsion spring groove 213, can make torsion spring and commentaries on classics piece 210 all establish on round pin axle 240, one of them arm of torsion spring can conveniently butt the commentaries on classics piece 210, and another arm can be in torsion spring groove 213 outer butt mount pad 230 to for turning piece 210 provides the torque.

In the present embodiment, the rotating member 210 has opposite leading and trailing ends 210a, 210b, and the pin hole 212 is located between the leading and trailing ends 210a, 210 b. The leading end 210a of the rotating member 210 is configured to abut against the mounting assembly 400. Optionally, the quick release assembly 200 further includes a pull rope (not shown in the drawings), one end of the pull rope is connected to the rotating member 210, and the pull rope can drive the rotating member 210 to rotate from the clamping position to the avoiding position when the pull rope is pulled by an external force. In this embodiment, the tail end 210b of the rotating member 210 is provided with a pull cord hole 214 for connecting a pull cord.

The elastic element 220 can push the rotating element 210 to rotate from the avoiding position to the clamping position, but in order to avoid the rotating element 210 rotating excessively to the clamping position, in this embodiment, when the rotating element 210 rotates to the clamping position, the tail end 210b of the rotating element abuts against the mounting seat 230. This allows the resilient member 220 to rotate the rotatable member 210 to the engaged position at most without over-rotating it.

The head end 210a of the rotating member 210 has an abutment surface 211, and the abutment surface 211 extends around the rotation axis of the rotating member 210 (i.e., the axis of the pin hole 212) to have a convex arc surface. In addition, the mounting assembly 400 is provided with a matching surface matching with the abutting surface 211, and the matching surface is a concave arc surface. When the rotating member 210 is in the engagement position, the abutment surface 211 can be engaged with the mating surface. The abutting surface 211 is set to be an arc surface, so that the rotating piece 210 can be conveniently rotated to the clamping position or rotated out from the clamping position, for example, when the megaphone 300 is in the assembling position (at this time, the abutting surface 211 of the rotating piece 210 abuts against the matching surface of the mounting assembly 400), the rotating piece 210 can still be rotated to the avoiding position by pulling the pull rope or other methods, the position of the megaphone 300 does not need to be adjusted, and therefore the megaphone 300 is convenient to disassemble. Similarly, when the megaphone 300 is installed, after the megaphone 300 is inserted into the assembly position, because the abutting surface 211 of the rotating member 210 is a convex arc surface and the mating surface is a concave arc surface, the rotating member 210 can rotate to the clamping position under the action of the elastic member 220 without interference.

Fig. 6 is a schematic view illustrating the rotation member 210 and the mounting assembly 400 according to an embodiment of the present disclosure. As shown in fig. 6, in the present embodiment, the megaphone 300 may be inserted into the installation space 101 of the base 100 in a predetermined direction to reach the assembling position, while the rotation axis of the rotation member 210 is perpendicular to the predetermined direction. The mounting assembly 400 can force the rotating member 210 to rotate from the clamping position to the avoiding position during the insertion process of the megaphone 300, and in the process, the mounting assembly 400 needs to overcome the elastic force of the elastic member 220 to push the rotating member 210 to rotate. When the megaphone 300 reaches the assembling position, the mounting assembly 400 does not interfere with the rotating member 210 any more, and the rotating member 210 rotates to the clamping position under the driving of the elastic member 220.

In this embodiment, two quick release assemblies 200 are disposed on the base 100, and the two quick release assemblies 200 are respectively located at two opposite sides of the megaphone 300; in alternative embodiments, more quick release assemblies 200 may be provided on base 100, with each quick release assembly 200 spaced circumferentially around the megaphone 300 to provide stability after installation of megaphone 300. In the present embodiment, the two quick release assemblies 200 have the same functional principle, so they can adopt the same structure; according to a specific practical use environment, the two quick release assemblies 200 may have different sizes or have different structures, for example, in the case that the speaking mechanism 010 is asymmetric, the two quick release assemblies 200 may need to be adjusted to have different structures or sizes to adapt to a specific installation environment. In alternative embodiments, only one quick release assembly 200 may be provided, for example, one quick release assembly 200 may be provided on one side of the installation space 101, and a sliding groove may be provided on the other side, the sliding groove being parallel to the predetermined direction, and the mounting assembly 400 being slidably engaged with the sliding groove, in which case the movement of the megaphone 300 out of the installation space 101 may also be limited by one quick release assembly 200.

Fig. 7 is an illustration of a mounting assembly 400 in an embodiment of the disclosure. Referring to fig. 7 in combination with the above drawings, the mounting assembly 400 provided in this embodiment includes a clasp sleeved outside the megaphone 300, and the clasp is engaged with the rotating member 210. In this embodiment, the snap ring includes a first half ring 410 and a second half ring 420, the first half ring 410 and the second half ring 420 are both in a semicircular arc shape, and two ends of the first half ring 410 and two ends of the second half ring 420 are connected in a one-to-one correspondence manner. At least one end of the first half 410 is detachably connected to the second half 420, so that the shouting device 300 can be conveniently sleeved with a clasp. In this embodiment, the cross section of the position where the megaphone 300 is provided with the snap ring is circular, and therefore, the snap ring is circular, and specifically includes the first half ring 410 and the second half ring 420, but the present application is not limited thereto, and the specific structure of the snap ring can be appropriately adjusted according to the structure of the megaphone 300, for example, when the cross section of the position where the megaphone 300 is provided with the snap ring is in the shape of an ellipse, a rectangle, a square, a triangle, or a polygon, the structure and composition of the snap ring should be appropriately adjusted.

FIG. 8 is a schematic view of a first half-ring 410 according to an embodiment of the present application; fig. 9 is a diagram illustrating the second half 420 according to an embodiment of the present application. As shown in fig. 7 to 9, in the present embodiment, the first half-ring 410 includes a first arc-shaped portion 411 and two first connection portions 414, and the two first connection portions 414 are respectively connected to both ends of the first arc-shaped portion 411; the second half ring 420 includes a second arc portion 421 and two second connecting portions 424, and the two second connecting portions 424 are respectively connected to two ends of the second arc portion 421. The first connecting portion 414 is provided with a first through hole 415, the second connecting portion 424 is provided with a second through hole 425, and the first connecting portion 414 and the second connecting portion 424 can be connected through a screw 430 and a nut. Specifically, one end of the first through hole 415 of the first connecting portion 414, which is far away from the second connecting portion 424, is provided with a nut positioning groove 416, and the nut positioning groove 416 can be used for embedding a nut, so that the rotation of the nut can be limited, and the screw 430 can be conveniently assembled. Furthermore, a counterbore 426 is formed at one end of the second through hole 425 of the second connecting portion 424, which is far away from the first connecting portion 414, so that when the screw 430 is screwed in place, the head of the screw 430 can be embedded into the counterbore 426, thereby improving the surface flatness of the snap ring.

It should be noted that the dimensions of the first arc-shaped part 411 and the second arc-shaped part 421 should be designed according to the dimensions of the megaphone 300 to ensure a close fit with the megaphone 300, and to improve the stability of the megaphone 300. The first arc-shaped part 411 and the second arc-shaped part 421 may have the same or similar structure.

In this embodiment, the protruding joint boss that is equipped with in the outside of snap ring, the joint boss is used for the butt to be located the rotation piece 210 of joint position to the restriction megaphone 300 is taken out from installation space 101. In this embodiment, the snap ring is provided with a first clamping boss 412 and a second clamping boss 422, the first clamping boss 412 is disposed outside the first arc-shaped portion 411, and the second clamping boss 422 is disposed outside the second arc-shaped portion 421. Furthermore, the clamping boss has a matching surface, the matching surface is an inwards concave arc surface and has the same curvature as the abutting surface 211 of the rotating member 210, and the matching surface is used for matching with the abutting surface 211 of the rotating member 210 at the clamping position. In this embodiment, the first engaging projection 412 is provided with a first engaging surface 413, and the second engaging projection 422 is provided with a second engaging surface 423.

In this embodiment, megaphone 300 is a horn, one end of which is larger in size and the other end of which is smaller in size, and the small end of the horn is forward and the large end is rearward in the process of inserting megaphone 300 to the mounting position. Since the megaphone 300 has a large end and a small end, the clasp sleeved outside the megaphone 300 is easily moved in a predetermined direction with respect to the megaphone 300, and is not easily moved in a direction opposite to the predetermined direction. In order to prevent the clasp from sliding toward the small end of the megaphone 300, in this embodiment, a first limiting portion 310 (see fig. 1) is protruded on the outer circumference of the megaphone 300, a first limiting groove 440 is disposed at the front end of the clasp in the preset direction, and the first limiting portion 310 is engaged with the first limiting groove 440. In this embodiment, the two first limiting grooves 440 are respectively disposed on the first arc portion 411 of the first half ring 410 and the second arc portion 421 of the second half ring 420. The first limiting portion 310 can abut against the clamping ring, and the clamping ring is prevented from sliding relative to the megaphone 300 along the preset direction; in addition, the first limit portion 310 is engaged with the first limit groove 440, and the snap ring can be restricted from rotating in the circumferential direction. Therefore, the first position-limiting portion 310 and the first position-limiting groove 440 are arranged so that the position of the snap ring relative to the megaphone 300 is fixed.

In alternative embodiments, the type of megaphone 300 is not limited to the horn shown in the drawings, as long as the function of amplifying sound can be achieved.

As can be seen from fig. 6, the rotating member 210 of the quick release assembly 200 can limit the movement of the mounting assembly 400 in the opposite direction of the predetermined direction, but cannot limit the movement of the mounting assembly 400 in the predetermined direction. Therefore, in order to limit the mounting assembly 400 to move in the predetermined direction, the inner wall of the mounting space 101 is provided with a second limiting portion 500 for abutting against the mounting assembly 400 to block the megaphone 300 from continuing to move in the predetermined direction after reaching the assembly position. FIG. 10 is a schematic view of a second position-limiting portion 500 from a first perspective according to an embodiment of the present application; fig. 11 is a schematic view of the second position-limiting portion 500 under a second viewing angle according to an embodiment of the present disclosure. Referring to fig. 10 and 11 in combination with the above-mentioned figures, two second fixing holes 510 are disposed on the second position-limiting portion 500, so that the second position-limiting portion 500 is fixed to the position-limiting mounting hole 120 of the base 100 by a fastening member (e.g., a screw). The second limiting portion 500 is provided with a second limiting groove 520, and the local portion of the mounting assembly 400 can be abutted into the second limiting groove 520 along the preset direction. Specifically, in the embodiment, the first connecting portion 414 of the first half ring 410 and the second connecting portion 424 of the second half ring 420 form a structure protruding outward from the snap ring, and the first connecting portion 414 and the second connecting portion are connected and pressed into the second limiting groove 520 of the second limiting portion 500. The first connection part 414 and the second connection part 424 are restricted by the second restriction groove 520 so that the megaphone 300 in the assembling position cannot move in a predetermined direction and rotate. Because the rotation of megaphone 300 has been restricted to spacing portion 500 of second, also further make to rotate piece 210 can with carry the accurate counterpoint butt of the joint lug on the subassembly 400, avoided rotating piece 210 and joint lug dislocation and lead to rotating piece 210 can't play the problem of spacing effect. In this embodiment, the second limiting portion 500 and the rotating member 210 in the clamping position can limit the axial movement of the megaphone 300 together, and the second limiting portion 500 can also limit the rotation of the megaphone 300, so that the position of the megaphone 300 can be fixed.

Further, at least one of the second limiting portion 500 and the mounting assembly 400 may be provided with a buffer 540, and the second limiting portion 500 and the mounting assembly 400 are abutted against each other through the buffer 540. Specifically, in the present embodiment, the buffering element 540 is disposed in the second limiting groove 520 of the second limiting portion 500, and the buffering element 540 may be a damping foam.

In this embodiment, two second limiting parts 500 are disposed in the installation space 101, and the two second limiting parts 500 are located at two opposite sides of the megaphone 300; in other alternative embodiments, more second limiting portions 500 may be disposed in the installation space 101, each second limiting portion 500 is disposed at intervals around the circumference of the megaphone 300, and correspondingly, the mounting assembly 400 should be provided with a convex structure (for example, a convex structure formed by the first connection portion 414 and the second connection portion 424, or other convex structures) corresponding to the second limiting portions 500 one to one.

It should be understood that in the present embodiment, the two second limiting parts 500 have the same functional principle, so that the two parts may have the same structure; according to a specific practical use environment, the two second limiting parts 500 may have different sizes or different structures, for example, when the megaphone mechanism 010 is asymmetric, the two second limiting parts 500 need to be adjusted to have different structures or sizes to adapt to a specific installation environment. In this embodiment, in order to avoid interference with other parts of the yelling mechanism 010, a surface of one of the second position-limiting portions 500 is provided with a chamfer 530, but the present application is not limited thereto, and whether the chamfer 530 is provided or not may be determined by the second position-limiting portion 500 according to a specific installation environment.

The embodiment of the application provides a megaphone 300 of the megaphone mechanism 010 to realize fast loading and unloading through the following mode:

when the megaphone 300 is installed, the mounting assembly 400 is first installed on the megaphone 300, and then the megaphone 300 is inserted into the installation space 101 of the base 100 in a preset direction. During the insertion of the megaphone 300 to the assembly position, the first latch boss 412 and the second latch boss 422 abut against the rotation member 210, and push the rotation member 210 in the latch position to the escape position against the elastic force of the elastic member 220. After the megaphone 300 is inserted into the assembling position, the rotating member 210 is driven by the elastic member 220 to rotate from the avoiding position to the clamping position, at this time, the rotating member 210 blocks the first clamping boss 412 and the second clamping boss 422, and the mounting assembly 400 and the megaphone 300 cannot move in the opposite direction of the preset direction, so that the megaphone 300 is prevented from being drawn out from the mounting space 101. Further, after the megaphone 300 is inserted into the assembling position, the mounting assembly 400 is abutted against the second limiting portion 500 (flexibly contacted through the buffer 540), so that the megaphone 300 cannot move forward after being inserted in place, and meanwhile, the second limiting groove 520 of the second limiting portion 500 limits the rotation of the megaphone 300 and the mounting assembly 400.

When dismantling megaphone 300, through pulling stay cord or other modes, rotate the position to dodge with rotation piece 210 by the joint, then can take megaphone 300 out from installation space 101 together with mount assembly 400, realize dismantling megaphone 300.

The embodiment of the present application still provides an unmanned aerial vehicle (not shown in the figure), and unmanned aerial vehicle includes the mechanism 010 of propaganda directed to communicate in above-mentioned embodiment. Specifically, unmanned aerial vehicle includes the fuselage and sets up in the mechanism 010 of propaganda directed to communicate of fuselage.

The megaphone mechanism 010 of this application embodiment includes base 100, mount assembly 400, quick detach assembly 200 and megaphone 300, and mount assembly 400 connects in megaphone 300, and quick detach assembly 200 connects in base 100, and megaphone 300 can insert the installation space 101 of base 100 to realize fixing through quick detach assembly 200 and mount assembly 400's cooperation. The quick release assembly 200 comprises a rotating member 210, the rotating member 210 can rotate relative to the base 100 and has a clamping position and an avoiding position on a rotating path, and when the rotating member 210 is located at the clamping position, the rotating member 210 can be in clamping fit with the mounting assembly 400 to limit the megaphone 300 to be drawn out from the mounting space 101, so that the megaphone 300 is kept in the mounting space 101. When the rotation member 210 is rotated to the escape position, the rotation member 210 can be disengaged from the mounting assembly 400, so that the megaphone 300 can be extracted from the installation space 101. It can be seen that the rotation member 210 with adjustable position can realize the rapid installation and removal of the megaphone 300, so that the megaphone 300 of the megaphone mechanism 010 of the embodiment of the present application can be rapidly disassembled and assembled.

The unmanned aerial vehicle that this application embodiment provided includes foretell propaganda directed to communicate mechanism 010, therefore its megaphone 300 can quick assembly disassembly.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (20)

1. The mechanism is characterized by comprising a base, a mounting assembly, a quick-release assembly and a megaphone, wherein the mounting assembly is connected with the megaphone, the quick-release assembly is connected with the base, and the base is provided with an installation space for the megaphone to be inserted in a preset direction; the quick detach subassembly is including rotating the piece, rotate the piece can for the base rotates and has the joint position and dodge the position on the pivoted route, works as it is located to rotate the piece during the joint position, rotate the piece can with carry the cooperation of subassembly joint, in order to restrict the megaphone is followed installation space takes out, works as it is located to rotate the piece when dodging the position, rotate the piece can with carry the subassembly and remove the cooperation.

2. The mechanism of claim 1, further comprising a resilient member for providing a force to the rotating member to rotate from the retracted position to the engaged position.

3. The mechanism of claim 2, in which the megaphone has an assembled position in the mounting space of the base, the rotary member in the latched position being capable of latching engagement with the mounting assembly on the megaphone when the megaphone is in the assembled position; the megaphone can be followed predetermine the direction and insert the installation space of base reaches the mounted position, the axis of rotation of rotating the piece with it is perpendicular to predetermine the direction, the mount subassembly is in the megaphone inserts the in-process and can force the rotation piece by the joint position rotates extremely dodge the position, and during the megaphone reachs during the mounted position, rotate the piece and be in the drive of elastic component is down rotated extremely the joint position.

4. The mechanism of claim 2, further comprising a mounting base and a pin, wherein the mounting base is connected to the base and located inside the mounting space, the pin is disposed on the mounting base, the rotating member is rotatably connected to the pin, and the elastic member abuts against the rotating member and the mounting base.

5. The mechanism of claim 4, wherein the resilient member is a torsion spring, the torsion spring is sleeved on the pin, and two arms of the torsion spring abut against the mounting seat and the rotating member, respectively.

6. The mechanism of claim 5, wherein the rotary member is provided with a torsion spring slot, the pin shaft passes through the torsion spring slot, one arm of the torsion spring abuts against an inner wall of the torsion spring slot, and the other arm abuts against the mounting seat.

7. The mechanism of claim 2, further comprising a pull cord having one end connected to the rotating member, wherein the pull cord is capable of driving the rotating member to provide a direction from the latched position to the retracted position when pulled by an external force.

8. The mechanism of claim 1, wherein at least two quick release assemblies are provided on the base, each quick release assembly being spaced circumferentially around the megaphone.

9. The mechanism of any one of claims 1 to 8, wherein the mounting assembly includes a snap ring, the snap ring is sleeved outside the megaphone, and the snap ring is snap fitted to the rotatable member.

10. The mechanism of claim 9, wherein the clasp comprises a first half-ring and a second half-ring, the first half-ring and the second half-ring each having a semi-circular arc shape, wherein two ends of the first half-ring and two ends of the second half-ring are connected in a one-to-one correspondence, and wherein at least one end of the first half-ring is detachably connected to the second half-ring.

11. The mechanism of claim 9, wherein a clamping boss is convexly arranged on an outer side of the clamping ring, and the clamping boss is used for abutting against the rotating member located at the clamping position to limit the megaphone from being drawn out of the installation space.

12. The mechanism of claim 11, wherein the end of the rotating member has an abutment surface that extends around the axis of rotation of the rotating member to present a convex arc surface, the clamping boss has a mating surface that is concave arc surface and has the same curvature as the abutment surface, the mating surface is for mating with the abutment surface of the rotating member at the clamping position.

13. The mechanism of claim 9, wherein the megaphone has a first position-limiting part protruding from the outer periphery of the megaphone, and the snap ring has a first position-limiting groove formed at the front end of the predetermined direction, and the first position-limiting part is engaged with the first position-limiting groove.

14. The mechanism of any one of claims 1, 2 and 4-8, wherein the megaphone has an assembled position in the mounting space of the base, when the megaphone is in the assembled position, the rotating member in the latched position can be latched to the mounting assembly on the megaphone; the inner wall of the installation space is provided with a second limiting part, and the second limiting part is used for abutting against the mounting assembly to block the megaphone from moving in the preset direction after reaching the device position.

15. The mechanism of claim 14, wherein at least one of the second limiting portion and the mounting assembly is provided with a buffer member, and the second limiting portion and the mounting assembly abut against each other through the buffer member.

16. The mechanism of claim 14, wherein the second position-limiting portion is provided with a second position-limiting groove, and a part of the mounting assembly can abut against the second position-limiting groove along the predetermined direction.

17. The mechanism of claim 14, wherein at least two of the second retaining portions are provided in the mounting space, each of the second retaining portions being spaced circumferentially around the megaphone.

18. The mechanism of any one of claims 1 to 8, wherein the base is a pod housing enclosing the mounting space with an opening.

19. The megaphone mechanism of any one of claims 1 to 8, wherein the megaphone is a horn.

20. A drone, characterized in that it comprises a shouting mechanism according to any of claims 1 to 19.

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