CN216122791U

CN216122791U - Public address set convenient for direction adjustment for broadcasting

Info

Publication number: CN216122791U
Application number: CN202122692998.4U
Authority: CN
Inventors: 赵兵; 李斐; 徐建; 贾新花
Original assignee: Zhengzhou Chuanlika Information Technology Co ltd
Current assignee: Zhengzhou Chuanlika Information Technology Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-03-22
Anticipated expiration: 2031-11-04

Abstract

The utility model relates to the field of public address equipment and discloses a public address device convenient for direction adjustment for broadcasting, which comprises a support, wherein the top of the support is rotatably inserted with a vertical axial installation shaft through a bearing, the top of the installation shaft is fixedly connected with a support plate in the horizontal direction, the support is provided with a first adjusting mechanism for driving the installation shaft to rotate along the horizontal plane, a rectangular frame is arranged above the support plate, a loudspeaker is arranged on the rectangular frame, and the support plate is provided with a second adjusting mechanism for driving the rectangular frame to rotate along the vertical plane. The loudspeaker can be adjusted in directions at multiple angles through the arrangement of the first adjusting mechanism and the second adjusting mechanism, so that the loudspeaker can continuously rotate and adjust the broadcasting direction of the loudspeaker during broadcasting, more area ranges in public occasions are covered, and the broadcasting coverage is improved.

Description

Public address set convenient for direction adjustment for broadcasting

Technical Field

The utility model belongs to the field of sound amplifying equipment, and particularly relates to a sound amplifying device convenient for direction adjustment for broadcasting.

Background

The loudspeaker is also called a loudspeaker, and is a transducer for converting an electric signal into an acoustic signal, and the quality of the loudspeaker greatly affects the sound quality. The loudspeaker is the weakest component in the audio equipment, and is the most important component for the audio effect. Loudspeakers are of a wide variety and vary widely in price. The audio frequency electric energy makes the paper cone or the diaphragm vibrate and generate resonance (resonance) with the surrounding air through electromagnetic, piezoelectric or electrostatic effect to make sound.

In most public occasions, most of the public places are provided with loudspeakers for broadcasting and announcing people, after the loudspeakers are installed, sound can be emitted towards one direction, the range of the emitted sound is limited, the full coverage of the broadcast sound cannot be achieved by one loudspeaker in the occasions with large space, and the cost is increased by installing a large number of loudspeakers to achieve the effect of sound coverage, so that the problem is necessarily solved by designing a public address device which is convenient for direction adjustment for broadcasting.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problems in the background art, the utility model provides a sound amplifying device convenient for direction adjustment for broadcasting.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a public address set of being convenient for to direction is used in broadcasting, includes the support, the top of support is passed through the bearing and is rotated the grafting and have and be vertical axial installation axle, the top fixedly connected with of installation axle is the extension board of horizontal direction, be provided with on the support and be used for driving the installation axle and carry out pivoted first adjustment mechanism along the horizontal plane, the top of extension board is provided with rectangular frame, just install the speaker on the rectangular frame, be provided with on the extension board and be used for driving rectangular frame and carry out pivoted second adjustment mechanism along the perpendicular.

Further, first adjustment mechanism includes the first motor of fixed mounting on the support, the output shaft axial of first motor is mutually perpendicular and its terminal fixedly connected with conical gear with the installation axle, the bottom fixedly connected with of installation axle and conical gear engaged with face gear can drive conical gear and rotate when the output shaft of first motor rotates to realize that the drive installation axle carries out pivoted effect along the horizontal plane.

Furthermore, the top of the supporting plate is fixedly connected with two support rods which are bilaterally symmetrical and in the vertical direction, and the two sides of the rectangular frame are fixedly connected with rotating shafts which are in the horizontal axial direction and are rotatably inserted into the corresponding support rods through bearings, so that the rectangular frame is rotatably connected to the supporting plate.

Further, the second adjustment mechanism includes that fixed mounting is on one of them branch surface and output shaft axial and the second motor that the pivot parallels, the terminal fixedly connected with initiative spur gear of output shaft of second motor, one of them the pivot runs through branch and fixedly connected with and takes the initiative spur gear engaged with driven spur gear to realize that rectangular frame follows perpendicular pivoted purpose in two branches.

Furthermore, two stroke grooves which are symmetrical up and down are formed in the inner wall of the rectangular frame along the length direction of the inner wall of the rectangular frame, two clamping plates which are symmetrical left and right and are in the vertical direction are inserted in the rectangular frame, stroke blocks which are inserted in the corresponding stroke grooves in a sliding mode are formed in the upper side and the lower side of each clamping plate, two symmetrical positioning grooves are formed in the loudspeaker, positioning blocks which are inserted in the corresponding positioning grooves are formed in one side, close to each other, of each clamping plate, moving assemblies which are used for enabling the two clamping plates to move in opposite directions or in opposite directions are arranged on the rectangular frame, and when the two clamping plates move in opposite directions under the action of the moving assemblies, the loudspeaker can be detached from the rectangular frame.

Further, the removal subassembly includes and connects in rectangular frame and be horizontal axial dwang through the bearing, the axial surface both sides of dwang have been seted up positive screw thread and derotation screw thread respectively, just the both sides of dwang alternate the connection on corresponding splint through the cooperation of screw thread respectively, the one end of dwang runs through rectangular frame and fixedly connected with knob, and two splint can carry out the removal in opposite directions or on the contrary along with the rotation of dwang to realize two splint and press from both sides tightly or the pine from the speaker.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the arrangement of the first adjusting mechanism and the second adjusting mechanism, the mounting shaft is rotated under the action of the first adjusting mechanism, so that the effect of adjusting the horizontal angle of the loudspeaker can be realized, and the rectangular frame can be rotated along the vertical plane under the action of the second adjusting mechanism to drive the loudspeaker to adjust the vertical angle of the loudspeaker, so that the aim of multi-angle direction adjustment of the loudspeaker can be realized, the loudspeaker can be continuously rotated and the direction of broadcasting per se can be adjusted during broadcasting, so that more area ranges in public occasions can be covered, and the broadcasting coverage is improved.

2. According to the loudspeaker fixing device, due to the arrangement of the moving assembly, when the two clamping plates move oppositely under the action of the moving assembly, the two positioning blocks can be separated from the positioning grooves, the loudspeaker is separated from the rectangular frame, and the loudspeaker is detachably mounted on the rectangular frame quickly and efficiently, so that subsequent maintenance and overhaul are facilitated.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic bottom view of the structure of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic rear view of the structure of the present invention;

FIG. 5 is an enlarged view of the structure at B in FIG. 4 according to the present invention;

FIG. 6 is an exploded view of the speaker and rectangular frame of the present invention;

in the figure: 1. a support; 2. installing a shaft; 3. a support plate; 4. a first adjustment mechanism; 41. a first motor; 42. a bevel gear; 43. a face gear; 5. positioning a groove; 6. a speaker; 7. a second adjustment mechanism; 71. a second motor; 72. a driving spur gear; 73. a driven spur gear; 8. a strut; 9. a rectangular frame; 10. a rotating shaft; 11. a splint; 12. positioning blocks; 13. rotating the rod; 14. a knob.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the sound amplifying device for broadcasting, which is provided by the present embodiment and is convenient to adjust the direction, includes a bracket 1, a vertical axial installation shaft 2 is inserted into the top of the bracket 1 through a bearing, a horizontal support plate 3 is fixedly connected to the top of the installation shaft 2, a first adjusting mechanism 4 for driving the installation shaft 2 to rotate along a horizontal plane is disposed on the bracket 1, a rectangular frame 9 is disposed above the support plate 3, a speaker 6 is mounted on the rectangular frame 9, a second adjusting mechanism 7 for driving the rectangular frame 9 to rotate along a vertical plane is disposed on the support plate 3, so that when broadcasting is performed through the speaker 6, the installation shaft 2 can be rotated by the first adjusting mechanism 4, the installation shaft 2 can drive the support plate 3 to rotate synchronously while rotating, so as to achieve the effect of adjusting the horizontal angle of the speaker 6, and, can make rectangular frame 9 rotate along the vertical plane under the effect of second adjustment mechanism 7 to drive speaker 6 and adjust its vertical angle, thereby realized the purpose that speaker 6 can the multi-angle tune to, make it constantly can rotate and adjust the direction of self broadcast when broadcasting, with covering more regional scopes in the public occasion, improve the coverage of broadcasting.

Referring to fig. 3, in order to enable the mounting shaft 2 to rotate along the horizontal plane, in some embodiments, the first adjusting mechanism 4 includes a first motor 41 fixedly mounted on the bracket 1, an axial direction of an output shaft of the first motor 41 is perpendicular to the mounting shaft 2, and a tail end of the first motor is fixedly connected with a conical gear 42, a bottom of the mounting shaft 2 is fixedly connected with a face gear 43 engaged with the conical gear 42, when the output shaft of the first motor 41 rotates, the conical gear 42 can be driven to rotate, and the conical gear 42 can drive the face gear 43 to rotate correspondingly by matching with teeth, so as to achieve an effect of driving the mounting shaft 2 to rotate along the horizontal plane.

Regarding the concrete connection mode between rectangular frame 9 and extension board 3 as follows, the top fixedly connected with of extension board 3 has two bilateral symmetry and is the branch 8 of vertical direction, and the equal fixedly connected with in both sides of rectangular frame 9 is horizontal axial and rotates through the bearing and peg graft pivot 10 on corresponding branch 8 to make rectangular frame 9 form the rotation connection on extension board 3, such design can be more reasonable.

In some embodiments, in order to enable the rectangular frame 9 to rotate along the vertical plane, the second adjusting mechanism 7 includes a second motor 71 fixedly mounted on the surface of one of the supporting rods 8, and the axial direction of the output shaft of the second motor 71 is parallel to the axial direction of the rotating shaft 10, the end of the output shaft of the second motor 71 is fixedly connected with a driving spur gear 72, one of the rotating shafts 10 penetrates through the supporting rods 8 and is fixedly connected with a driven spur gear 73 engaged with the driving spur gear 72, so that when the output shaft of the second motor 71 rotates, the driving spur gear 72 can be driven to rotate, and the driving spur gear 72 can drive the driven spur gear 73 to rotate through the cooperation of the teeth, so as to achieve the purpose that the rectangular frame 9 rotates along the vertical plane in the two supporting rods 8, and can drive the speaker 6 to perform corresponding vertical angle adjustment.

Preferably, the specific connection mode between the speaker 6 and the rectangular frame 9 is as follows, two stroke slots which are symmetrical up and down are arranged on the inner wall of the rectangular frame 9 along the length direction thereof, two clamping plates 11 which are symmetrical left and right and are vertical are inserted in the rectangular frame 9, and stroke blocks which are inserted in the corresponding stroke slots in a sliding manner are formed on the upper and lower sides of the clamping plates 11, two positioning slots 5 which are symmetrical are arranged on the speaker 6, positioning blocks 12 which are inserted in the corresponding positioning slots 5 are formed on the mutually close sides of the two clamping plates 11, and a moving assembly for moving the two clamping plates 11 in opposite directions or opposite directions is arranged on the rectangular frame 9, through the design, when the two clamping plates 11 move oppositely under the action of the moving assembly, the two positioning blocks 12 can be separated from the positioning slots 5, and the separation of the speaker 6 from the rectangular frame 9 is realized, the loudspeaker 6 is formed on the rectangular frame 9 and can be quickly and efficiently detachably mounted, so that the subsequent maintenance and overhaul are convenient.

Specifically, referring to fig. 5 and 6, the moving assembly includes a rotating rod 13 connected in the rectangular frame 9 through a bearing and in a horizontal axial direction, both sides of an axial surface of the rotating rod 13 are respectively provided with a forward thread and a backward thread, both sides of the rotating rod 13 are respectively connected to the corresponding clamp plates 11 through the matching and inserting of the threads, one end of the rotating rod 13 penetrates through the rectangular frame 9 and is fixedly connected with a knob 14, a worker can hold the knob 14 with a hand and rotate the rotating rod 13, the rotating rod 13 can drive the two clamp plates 11 to move correspondingly through the matching of the forward thread and the backward thread while rotating, as the stroke blocks on the two clamp plates 11 are both inserted in the stroke grooves in a sliding manner, the two clamp plates 11 can not rotate and can only slide along the length direction of the stroke grooves, so that the two clamp plates 11 can move in opposite directions or in opposite directions along with the rotation of the rotating rod 13, so as to realize the clamping or loosening of the loudspeaker 6 by the two clamping plates 11, and the positioning block 12 can be inserted into or separated from the positioning groove 5, thereby completing the fixing/dismantling of the loudspeaker 6.

In the device, all electric devices and drivers matched with the electric devices are arranged, and all driving parts, namely power elements, the electric devices and adaptive power supplies, are connected through leads by a person skilled in the art, and specific connecting means refer to the above expression that the electric devices are electrically connected in sequence, and detailed connecting means thereof are well known in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a public address set of being convenient for to direction is used in broadcasting, includes support (1), its characterized in that, the top of support (1) is passed through the bearing and is rotated the grafting and have and be vertical axial installation axle (2), the top fixedly connected with of installation axle (2) is extension board (3) of horizontal direction, be provided with on support (1) and be used for driving installation axle (2) and carry out pivoted first adjustment mechanism (4) along the horizontal plane, the top of extension board (3) is provided with rectangular frame (9), just install speaker (6) on rectangular frame (9), be provided with on extension board (3) and be used for driving rectangular frame (9) and carry out pivoted second adjustment mechanism (7) along the perpendicular.

2. The sound amplifying device convenient for direction adjustment for broadcasting as claimed in claim 1, wherein the first adjusting mechanism (4) comprises a first motor (41) fixedly mounted on the bracket (1), an output shaft of the first motor (41) is axially perpendicular to the mounting shaft (2) and a bevel gear (42) is fixedly connected to a terminal end of the first motor, and an end gear (43) engaged with the bevel gear (42) is fixedly connected to a bottom of the mounting shaft (2).

3. The sound amplifying device convenient for direction adjustment for broadcasting as claimed in claim 1, wherein two left and right symmetrical and vertical supporting rods (8) are fixedly connected to the top of the supporting plate (3), and a rotating shaft (10) which is in a horizontal axial direction and is rotatably inserted on the corresponding supporting rod (8) through a bearing is fixedly connected to both sides of the rectangular frame (9).

4. A sound amplifying device convenient for direction adjustment for broadcasting as claimed in claim 3, wherein the second adjusting mechanism (7) comprises a second motor (71) fixedly mounted on the surface of one of the supporting rods (8) and having an output shaft axially parallel to the rotation shaft (10), a driving spur gear (72) is fixedly connected to the end of the output shaft of the second motor (71), and one of the rotation shaft (10) penetrates through the supporting rod (8) and is fixedly connected with a driven spur gear (73) engaged with the driving spur gear (72).

5. The sound amplifying device convenient to adjust the direction for broadcasting as claimed in claim 1, wherein the inner wall of the rectangular frame (9) is provided with two vertically symmetrical stroke slots along the length direction thereof, two bilaterally symmetrical clamping plates (11) in the vertical direction are inserted into the rectangular frame (9), the upper and lower sides of the clamping plates (11) are respectively formed with a stroke block inserted into the corresponding stroke slot in a sliding manner, the speaker (6) is provided with two symmetrical positioning slots (5), the side of the two clamping plates (11) close to each other is respectively formed with a positioning block (12) inserted into the corresponding positioning slot (5), and the rectangular frame (9) is provided with a moving assembly for moving the two clamping plates (11) in the opposite direction or in the opposite direction.

6. The public address set convenient to accent of claim 5, characterized in that, the removal subassembly includes connects in rectangular frame (9) and is horizontal axial dwang (13) through the bearing, positive screw thread and derotation screw thread have been seted up respectively to the axial surface both sides of dwang (13), just the both sides of dwang (13) are passed through the cooperation of screw thread respectively and are connected on corresponding splint (11), the one end of dwang (13) runs through rectangular frame (9) and fixedly connected with knob (14).