CN209914068U - Vehicle-mounted loudspeaker capable of being publicized in multiple directions - Google Patents

Abstract

The utility model discloses an on-vehicle megaphone that can diversely propagate, which comprises a carriage body, the upper end fixedly connected with base of automobile body, the upper end of base is rotated and is connected with the protecting crust, be equipped with well cavity in the base, be equipped with slewing mechanism in the well cavity, slewing mechanism is connected with the protecting crust, the inner wall sliding connection of protecting crust has the slide, the upper end fixedly connected with megaphone of slide, two backup pads of the upper end fixedly connected with of slide, two the common fixedly connected with protective cover in upper end of backup pad, the inner wall of protecting crust is equipped with the spout, be equipped with guiding mechanism in the spout, guiding mechanism and slide connection, the inner wall of protecting crust is equipped with the recess. The utility model has the advantages of reasonable design, can reciprocate the megaphone, release the megaphone and use or withdraw the megaphone and protect, avoid it impaired, and can rotate the megaphone and carry out diversified propaganda and use.

Description

Vehicle-mounted loudspeaker capable of being publicized in multiple directions

Technical Field

The utility model relates to an on-vehicle megaphone technical field especially relates to an on-vehicle megaphone that can diversely propagate.

Background

The loudspeaker is used for amplifying and transmitting sound more far as the name implies, and the sound penetrating power of the loudspeaker is stronger compared with that of a sound box. According to the use purpose, the loudspeaker can be divided into a teaching loudspeaker, a tour guide loudspeaker and an entertainment loudspeaker. Loudspeakers can be divided into various types according to their volume, mode of use and use, each having its advantages in use. The portable loudspeaker is limited by the shape, size and horn, and the power is generally only 3-8W. The wireless loudspeaker and the wired loudspeaker have different sizes and different purposes, and are small in size, suitable for teachers and tour guides, hung on the waist, free to play by hands, and generally have the power of 3W-8W. The large volume is suitable for places with large flow of people such as outdoor activities, summer camp, out-of-class lectures and the like.

Among the prior art, install the megaphone that is used for propaganda to use at automobile body top, when meetting rainy day, can't in time protect it rain-proofly, lead to the megaphone to take place to damage, can not normal use, and can not change the direction of megaphone, carry out diversified propaganda.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the on-vehicle megaphone that can diversely propagate that proposes, it can reciprocate the megaphone, releases the megaphone and uses or withdraws the megaphone and protect, avoids it impaired, and can rotate the megaphone and carry out diversely propagate and use.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an on-vehicle megaphone that can diversely propagate, includes the automobile body, the upper end fixedly connected with base of automobile body, the upper end of base is rotated and is connected with the protecting crust, be equipped with well cavity in the base, be equipped with slewing mechanism in the well cavity, slewing mechanism is connected with the protecting crust, the inner wall sliding connection of protecting crust has the slide, the upper end fixedly connected with megaphone of slide, two of the upper end fixedly connected with backup pads of slide the common fixedly connected with protective cover in upper end of backup pad, the inner wall of protecting crust is equipped with the spout, be equipped with guiding mechanism in the spout, guiding mechanism is connected with the slide, the inner wall of protecting crust is equipped with the recess, be equipped with moving mechanism in the recess, the interior bottom of protecting crust is equipped with actuating mechanism, actuating mechanism is connected.

Preferably, slewing mechanism includes the electric telescopic handle of fixed connection bottom in the cavity, electric telescopic handle's flexible end fixedly connected with rack plate, rack plate's lateral wall sliding connection is on the inner wall of cavity in the cavity, the upper end of base is run through and is equipped with the dwang, the dwang rotates with the base to be connected, the lower extreme of dwang rotates the interior bottom of connecting in the cavity, the upper end fixed connection of dwang is at the lower extreme of protecting crust, fixedly connected with gear on the dwang, the wheel meshes mutually with rack plate.

Preferably, guiding mechanism includes the guide bar of fixed connection on the spout inner wall, sliding connection has the slider on the guide bar, the lateral wall fixed connection of slider is on the lateral wall of slide.

Preferably, moving mechanism is including rotating the connecting rod of connection bottom in the recess, connecting rod upper end fixedly connected with threaded rod, the upper end of threaded rod is rotated and is connected at the interior top of recess, threaded connection has the nut on the threaded rod, the lateral wall fixed connection of nut is on the lateral wall of slide, fixedly connected with second bevel gear on the connecting rod.

Preferably, the driving mechanism comprises a motor fixedly connected to the inner bottom of the protective shell, the tail end of an output shaft of the motor is fixedly connected with a first bevel gear, and the first bevel gear is meshed with a second bevel gear.

Preferably, the upper end of the slide plate is provided with a power supply which is electrically connected with the loudspeaker.

The utility model has the advantages that:

1. by arranging the driving mechanism, the moving mechanism and the guide mechanism, the driving mechanism drives the moving mechanism to operate as the first bevel gear is meshed with the second bevel gear, so that the threaded rod rotates to enable the nut to move up and down, the sliding plate is convenient to move, and the loudspeaker is pushed out for use or withdrawn for protection;

2. through setting up slewing mechanism, because rack plate and gear mesh mutually, rack plate removes and makes gear revolve to the dwang drives the protecting crust and rotates, can change the direction of megaphone.

Drawings

Fig. 1 is a schematic structural view of a vehicle-mounted loudspeaker capable of being publicized in multiple directions according to the present invention;

fig. 2 is a schematic front structural view of a vehicle-mounted loudspeaker capable of being publicized in multiple directions according to the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 1.

Reference numerals: the device comprises a vehicle body 1, an electric telescopic rod 2, a rack plate 3, a gear 4, a rotating rod 5, a hollow cavity 6, a sliding block 7, a sliding groove 8, a guide rod 9, a protective cover 10, a supporting plate 11, a loudspeaker 12, a threaded rod 13, a protective shell 14, a groove 15, a nut 16, a sliding plate 17, a motor 18, a rotating shaft 19, a first bevel gear 20, a connecting rod 21, a second bevel gear 22 and a base 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a vehicle-mounted loudspeaker capable of multi-azimuth propaganda comprises a vehicle body 1, wherein the upper end of the vehicle body 1 is fixedly connected with a base 23, the upper end of the base 23 is rotatably connected with a protective shell 14, a hollow cavity 6 is arranged in the base 23, a rotating mechanism is arranged in the hollow cavity 6 and is connected with the protective shell 14, the inner wall of the protective shell 14 is slidably connected with a sliding plate 17, the upper end of the sliding plate 17 is fixedly connected with a loudspeaker 12 for propaganda, the upper end of the sliding plate 17 is provided with a power supply which is electrically connected with the loudspeaker 12 and provides power for the loudspeaker 12, the upper end of the sliding plate 17 is fixedly connected with two supporting plates 11, the upper ends of the two supporting plates 11 are fixedly connected with a protective cover 10 together and can protect the loudspeaker 12, the inner wall of the protective shell 14 is provided with a chute 8, a guide mechanism is arranged, a moving mechanism is arranged in the groove 15, and a driving mechanism is arranged at the inner bottom of the protective shell 14 and connected with the moving mechanism.

Wherein, slewing mechanism includes electric telescopic handle 2 of fixed connection bottom in cavity 6, electric telescopic handle 2's flexible end fixedly connected with rack plate 3, rack plate 3's lateral wall sliding connection is on cavity 6's inner wall in the cavity, the upper end of base 23 runs through and is equipped with dwang 5, dwang 5 rotates with base 23 to be connected, the lower extreme of dwang 5 rotates the interior bottom of connecting in cavity 6, the upper end fixed connection of dwang 5 is at the lower extreme of protecting crust 14, fixedly connected with gear 4 on dwang 5, gear 4 meshes with rack plate 3 mutually, can rotate protecting crust 14, so that change megaphone 12's direction.

Wherein, guiding mechanism includes guide bar 9 of fixed connection on 8 inner walls of spout, and sliding connection has slider 7 on guide bar 9, and slider 7's lateral wall fixed connection has played the effect of direction on the lateral wall of slide 17, avoids slide 17 moving direction to take place the skew.

Wherein, moving mechanism is including rotating connecting rod 21 of bottom in recess 15, connecting rod 21 upper end fixedly connected with threaded rod 13, and the upper end of threaded rod 13 is rotated and is connected at the interior top of recess 15, and threaded connection has nut 16 on threaded rod 13, can make nut 16 reciprocate to remove slide 17, so that use or withdraw loudspeaker 12 with release loudspeaker 12 and protect, the lateral wall fixed connection of nut 16 is on slide 17's the lateral wall, fixedly connected with second bevel gear 22 on the connecting rod 21.

The driving mechanism comprises a motor 18 fixedly connected to the bottom in the protective shell 14, the tail end of an output shaft of the motor 18 is fixedly connected with a first bevel gear 20, the first bevel gear 20 is meshed with a second bevel gear 22, the motor 18 is MSME5AZG1 in model, and the motor can drive the moving mechanism to operate so as to move the sliding plate 17.

In the utility model, when the loudspeaker 12 is needed to be used, the motor 18 is started first, the output shaft of the motor 18 rotates to drive the rotating shaft 19 to rotate, the rotating shaft 19 rotates to drive the first bevel gear 20 to rotate, the first bevel gear 20 rotates to drive the second bevel gear 22 to rotate, the second bevel gear 22 rotates to drive the connecting rod 21 to rotate, the connecting rod 21 rotates to drive the threaded rod 13 to rotate, the threaded rod 13 rotates to drive the nut 16 to move upwards, the nut 16 moves upwards to drive the sliding plate 17 to move upwards, thereby the loudspeaker 12 can be pushed into the protective shell 14 for use, otherwise, the loudspeaker 12 can be withdrawn for protection, when the direction of the loudspeaker 12 needs to be changed, the electric telescopic rod 2 is started, the telescopic end of the electric telescopic rod 2 pushes the rack plate 3 to move, the rack plate 3 moves to drive the gear 4 to rotate, the gear 4 rotates to drive the rotating rod 5, the rotation of the rotation lever 5 causes the rotation of the shielding case 14, thereby effecting the change of the direction of the microphone 12.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a can diversified on-vehicle megaphone of propaganda, includes automobile body (1), its characterized in that, the upper end fixedly connected with base (23) of automobile body (1), the upper end of base (23) is rotated and is connected with protecting crust (14), be equipped with well cavity (6) in base (23), be equipped with slewing mechanism in well cavity (6), slewing mechanism is connected with protecting crust (14), the inner wall sliding connection of protecting crust (14) has slide (17), the upper end fixedly connected with megaphone (12) of slide (17), the upper end fixedly connected with of slide (17) has two backup pads (11), two the common fixedly connected with protective cover (10) in upper end of backup pad (11), the inner wall of protecting crust (14) is equipped with spout (8), be equipped with guiding mechanism in spout (8), guiding mechanism is connected with slide (17), the inner wall of protective housing (14) is equipped with recess (15), be equipped with moving mechanism in recess (15), the interior bottom of protective housing (14) is equipped with actuating mechanism, actuating mechanism is connected with moving mechanism.

2. The vehicle-mounted loudspeaker capable of being publicized in multiple directions according to claim 1, characterized in that, slewing mechanism includes electric telescopic handle (2) of fixed connection at the bottom in cavity (6), the flexible end fixedly connected with rack plate (3) of electric telescopic handle (2), the lateral wall sliding connection of rack plate (3) is on the inner wall of cavity (6), the upper end of base (23) is run through and is equipped with dwang (5), dwang (5) rotates with base (23) and is connected, the lower extreme of dwang (5) rotates and connects the bottom in cavity (6), the upper end fixed connection of dwang (5) is at the lower extreme of protecting crust (14), fixedly connected with gear (4) on dwang (5), gear (4) mesh with rack plate (3) mutually.

3. The vehicle-mounted loudspeaker capable of being publicized in multiple directions as claimed in claim 1, wherein the guiding mechanism comprises a guiding rod (9) fixedly connected to the inner wall of the sliding chute (8), a sliding block (7) is slidably connected to the guiding rod (9), and the side wall of the sliding block (7) is fixedly connected to the side wall of the sliding plate (17).

4. The vehicle-mounted loudspeaker capable of being publicized in multiple directions as claimed in claim 1, characterized in that the moving mechanism comprises a connecting rod (21) rotatably connected to the bottom in the groove (15), a threaded rod (13) is fixedly connected to the upper end of the connecting rod (21), the upper end of the threaded rod (13) is rotatably connected to the inner top of the groove (15), a nut (16) is connected to the threaded rod (13) in a threaded manner, the side wall of the nut (16) is fixedly connected to the side wall of the sliding plate (17), and a second bevel gear (22) is fixedly connected to the connecting rod (21).

5. The vehicle-mounted loudspeaker capable of being publicized in multiple directions as claimed in claim 4, characterized in that the driving mechanism comprises a motor (18) fixedly connected to the bottom inside the protective shell (14), a first bevel gear (20) is fixedly connected to the end of the output shaft of the motor (18), and the first bevel gear (20) is meshed with a second bevel gear (22).

6. The vehicle-mounted loudspeaker capable of being publicized in multiple directions as claimed in claim 1, wherein the upper end of the slide board (17) is provided with a power supply, and the power supply is electrically connected with the loudspeaker (12).

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