Conference system suspension type sound box

Abstract

The utility model relates to the technical field of sound boxes, in particular to a suspension type sound box for a conference system, which comprises a sound box body. The mounting box is used for hanging and mounting the sound box body on the top of a conference room; a supporting tube is fixedly arranged on the lower surface of the mounting box, and the loudspeaker box body is arranged at the bottom of the supporting tube; and the lifting assembly is used for driving the sound box body to automatically ascend and descend, the lifting assembly comprises a telescopic column arranged on the inner wall of the supporting pipe in a sliding mode, and the sound box body is fixedly arranged at the bottom end of the telescopic column. According to the utility model, through the arrangement of the lifting assembly, when the installed sound box body needs to be maintained, the pull rope and the first wire can be paid off through the rotation of the driving motor, so that the telescopic column and the sound box body can automatically move downwards under the action of the gravity of the telescopic column and the sound box body, and the automatic falling of the sound box body is realized; and maintenance personnel can operate conveniently, and great convenience is brought to the maintenance personnel.

Description

Technical Field

[0001] The utility model relates to the technical field of sound boxes, in particular to a conference system hanging sound box. Background Art

[0002] In addition to basic microphone pickup, mixing and desktop sound amplification technology, the main technologies of conference systems also include audio transmission technology, digital control technology, computer management technology, high-fidelity reliability technology and corresponding control management software. In a conference system, speakers are indispensable equipment.

[0003] In the prior art, there is a hanging speaker device with announcement number CN208754489U, which adopts the scheme of "including a speaker shell and a speaker assembly, the speaker assembly is provided with a broadcasting speaker and a battery module, a suspension bracket is connected to the top of the speaker shell, the speaker shell is provided with a front shell, an upper shell and a lower shell, the upper shell and the lower shell are installed together to form a receiving chamber for accommodating the broadcasting speaker". In this scheme, the broadcasting speaker is installed in the receiving chamber, and the battery module is installed in a battery waterproof box outside the speaker shell. During later maintenance, the battery module can be maintained without opening the speaker shell. The connection between the first hanger plate and the second hanger plate enables the suspension bracket and the speaker shell to be installed together, which has a reasonable design and is easy to install.

[0004] However, the above scheme still has some shortcomings. For example, during the installation process, in order to avoid damage caused by collision with people walking around, the suspended speaker often needs to be installed in a higher area in the conference room. When the speaker needs to be repaired and inspected, the inspector needs to use auxiliary climbing equipment to perform the climbing operation, which not only poses certain safety hazards but also brings inconvenience to the maintenance work.

[0005] In view of this, the utility model proposes a conference system hanging sound box. Utility Model Content

[0006] The purpose of the utility model is to provide a conference system hanging speaker to solve the problems raised in the above background technology.

[0007] To achieve the above purpose, the utility model provides the following technical solution: a conference system hanging speaker, comprising:

[0008] Speaker body;

[0009] A mounting box, which is used to suspend and mount the speaker body on the top of the conference room; a support tube is fixedly provided on the lower surface of the mounting box, and the speaker body is arranged at the bottom of the support tube;

[0010] A lifting component is used to drive the speaker body to automatically lift and lower, the lifting component includes a telescopic column slidably arranged on the inner wall of the support tube, and the speaker body is fixedly arranged at the bottom end of the telescopic column, the lifting component also includes two symmetrical fixed plates fixedly arranged on the inner wall of the installation box, and a rotating cylinder rotatably arranged between the two fixed plates, and a driving motor for driving the rotating cylinder to rotate is arranged on the side of one of the fixed plates, and two first winding disks are symmetrically fixed on the surface of the rotating cylinder, and the inside of the two first winding disks are both wound with a pull rope, and the end of the pull rope away from the first winding disk is fixedly connected to the outer surface of the top end of the telescopic column.

[0011] As a preferred technical solution, two symmetrical limit sliders are fixedly provided on the outer surface of the top end of the telescopic column, and the inner walls on both sides of the support tube are provided with limit sliding grooves slidably connected to the outer surfaces of the limit sliders.

[0012] As a preferred technical solution, a limiting assembly for limiting the position of the telescopic column is arranged inside the installation box, and the limiting assembly includes two opposite hydraulic rods symmetrically fixed on the outer surfaces of two fixing plates.

[0013] As a preferred technical solution, the telescopic end of the hydraulic rod is fixed with a sliding plate slidably connected to the bottom wall of the installation box, the side of the sliding plate is fixed with a positioning column, and the top outer surface of the telescopic column is provided with a positioning groove compatible with the positioning column.

[0014] As a preferred technical solution, a second winding reel is fixedly provided on the outer surface of the rotating cylinder between the two first winding reels, and a first wire is wound on the surface of the second winding reel, one end of the first wire passes through the interior of the telescopic column and extends to the interior of the speaker body to be electrically connected to the speaker body.

[0015] As a preferred technical solution, one end of the rotating cylinder extends to a side surface of the fixed plate, and an electric slip ring is rotatably provided at the end of the rotating cylinder, the other end of the first wire extends to the interior of the rotating cylinder and is rotatably connected to a second wire through the electric slip ring, and the second wire is electrically connected to an external power supply.

[0016] As a preferred technical solution, two guide rods for guiding the pull rope are rotatably provided on the inner wall of the installation box.

[0017] Beneficial Effects

[0018] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0019] 1. The utility model is provided with a lifting assembly. When the installed speaker body needs to be repaired, the pull rope and the first wire can be released by rotating the driving motor, so that the telescopic column and the speaker body can automatically move downward under the action of their own gravity, and the speaker body can be automatically lowered, which is convenient for maintenance personnel to operate and brings great convenience to maintenance personnel.

[0020] 2. The utility model sets a limit assembly. After the speaker body is maintained and driven to a specified position by a driving motor, the two hydraulic rods are activated to insert the positioning column into the positioning groove on the telescopic column, thereby achieving effective limit braking of the telescopic column. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the cross-sectional structure of the installation box of the utility model;

[0024] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0025] Figure 4 It is a schematic diagram of the three-dimensional structure of the rotating tube of the utility model.

[0026] In the figure:

[0027] 100. Speaker body;

[0028] 200, installation box;

[0029] 300, support tube;

[0030] 400, lifting assembly; 401, telescopic column; 402, fixed plate; 403, rotating cylinder; 404, driving motor; 405, first winding drum; 406, pull rope; 407, limit slider; 408, second winding drum; 409, first conductor; 4010, electric slip ring; 4011, second conductor; 4012, guide rod;

[0031] 500, limit assembly; 501, hydraulic rod; 502, sliding plate; 503, positioning column; 504, positioning groove. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Embodiment 1

[0034] According to the attached Figure 1-4 As shown, the embodiment of the utility model provides a conference system hanging speaker, including:

[0035] Speaker body 100;

[0036] The mounting box 200 is used to suspend and mount the speaker body 100 on the top of the conference room; a support tube 300 is fixedly disposed on the lower surface of the mounting box 200, and the speaker body 100 is disposed at the bottom of the support tube 300;

[0037] The lifting component 400 is used to drive the speaker body 100 to automatically lift and lower. The lifting component 400 includes a telescopic column 401 slidably arranged on the inner wall of the support tube 300, and the speaker body 100 is fixedly arranged at the bottom end of the telescopic column 401. The lifting component 400 also includes two symmetrical fixed plates 402 fixedly arranged on the inner wall of the installation box 200, and a rotating cylinder 403 rotatably arranged between the two fixed plates 402, and a driving motor 404 for driving the rotating cylinder 403 to rotate is arranged on the side of one of the fixed plates 402, and two first winding drums 405 are symmetrically fixed on the surface of the rotating drum 403, and the insides of the two first winding drums 405 are both wound with pull ropes 406, and the inner wall of the installation box 200 is rotatably provided with two guide rods 4012 for guiding the pull rope 406.

[0038] One end of the pull rope 406 away from the first winding drum 405 is fixedly connected to the outer surface of the top end of the telescopic column 401 .

[0039] Two symmetrical limiting sliding blocks 407 are fixedly provided on the outer surface of the top end of the telescopic column 401 , and limiting sliding grooves slidably connected to the outer surfaces of the limiting sliding blocks 407 are provided on the inner walls on both sides of the support tube 300 .

[0040] A second winding reel 408 is fixedly installed on the outer surface of the rotating cylinder 403 between the two first winding reels 405, and a first wire 409 is wound on the surface of the second winding reel 408. One end of the first wire 409 passes through the interior of the telescopic column 401 and extends to the interior of the speaker body 100 to be electrically connected to the speaker body 100.

[0041] One end of the rotating cylinder 403 extends to a side of a fixed plate 402, and an electric slip ring 4010 is rotatably provided at the end of the rotating cylinder 403. The other end of the first wire 409 extends to the inside of the rotating cylinder 403 and is rotatably connected to a second wire 4011 through the electric slip ring 4010, and the second wire 4011 is electrically connected to an external power supply.

[0042] In this embodiment, by setting up the lifting assembly 400, when the installed speaker body 100 needs to be repaired, the rotation of the driving motor 404 can drive the rotating drum 403 to rotate, and the rotation of the rotating drum 403 drives the two first winding drums 405 and the second winding drum 408 to rotate, so as to pay out the pull rope 406 and the first wire 409, so that the telescopic column 401 and the speaker body 100 can automatically move downward under the action of their own gravity, and realize the automatic descent of the speaker body 100, which is convenient for maintenance personnel to operate, brings great convenience to maintenance personnel, and after the maintenance and replacement is completed, Afterwards, the driving motor 404 can be started to reverse, driving the first winding drum 405 and the second winding drum 408 to wind up the pull rope 406 and the first wire 409 respectively, so that the two pull ropes 406 pull the telescopic column 401 and the speaker body 100 upwards, and realize the automatic lifting of the speaker body 100, so that the suspended speaker can be convenient for repair and replacement of the speaker, and in the process of lifting and lowering the speaker body 100, the first wire 409 can be retracted and released by the second winding drum 408, so that the speaker body 100 can stably receive electrical signals and avoid the occurrence of wire winding.

[0043] Embodiment 2

[0044] On the basis of the first embodiment, and different from the first embodiment,

[0045] A limiting assembly 500 for limiting the position of the telescopic column 401 is disposed inside the installation box 200 . The limiting assembly 500 includes two opposite hydraulic rods 501 symmetrically fixed on the outer surfaces of the two fixing plates 402 .

[0046] The telescopic end of the hydraulic rod 501 is fixed with a sliding plate 502 slidably connected to the inner bottom wall of the installation box 200, the side of the sliding plate 502 is fixed with a positioning column 503, and the top outer surface of the telescopic column 401 is provided with a positioning groove 504 adapted to the positioning column 503.

[0047] In this embodiment, by setting a limit assembly 500, after the maintenance of the speaker body 100 is completed and the speaker body 100 is driven to a specified position under the action of the driving motor 404, the two hydraulic rods 501 can be started to push the sliding plate 502, so that the positioning column 503 is inserted into the positioning groove 504 on the telescopic column 401, thereby achieving effective limit braking of the telescopic column 401, thereby effectively ensuring the stability of the speaker body 100 when it is suspended after installation.

[0048] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A conference system hanging speaker, characterized by: include, Speaker body (100); An installation box (200) used for suspending and installing the speaker body (100) on the top of a conference room, a support tube (300) being fixedly arranged on the lower surface of the installation box (200), and the speaker body (100) being arranged at the bottom of the support tube (300); A lifting component (400) is used to drive the speaker body (100) to automatically lift and lower. The lifting component (400) includes a telescopic column (401) slidably arranged on the inner wall of a support tube (300), and the speaker body (100) is fixedly arranged at the bottom end of the telescopic column (401). The lifting component (400) also includes two symmetrical fixed plates (402) fixedly arranged on the inner wall of an installation box (200), and a rotating cylinder (403) rotatably arranged between the two fixed plates (402), and a driving motor (404) for driving the rotating cylinder (403) to rotate is arranged on the side of one of the fixed plates (402), and two first winding drums (405) are symmetrically fixedly arranged on the surface of the rotating cylinder (403), and a pull rope (406) is wound inside the two first winding drums (405), and the end of the pull rope (406) away from the first winding drum (405) is fixedly connected to the outer surface of the top end of the telescopic column (401).

2. A conference system hanging speaker according to claim 1, characterized in that: Two symmetrical limiting slide blocks (407) are fixedly provided on the outer surface of the top end of the telescopic column (401), and limiting slide grooves slidably connected to the outer surfaces of the limiting slide blocks (407) are provided on the inner walls on both sides of the support tube (300).

3. The conference system hanging speaker according to claim 1, characterized in that: A limiting assembly (500) for limiting the position of the telescopic column (401) is arranged inside the installation box (200), and the limiting assembly (500) comprises two opposite hydraulic rods (501) symmetrically fixed on the outer surfaces of two fixing plates (402).

4. A conference system hanging speaker according to claim 3, characterized in that: The telescopic end of the hydraulic rod (501) is fixedly provided with a sliding plate (502) slidably connected to the inner bottom wall of the installation box (200), a positioning column (503) is fixedly provided on the side of the sliding plate (502), and a positioning groove (504) adapted to the positioning column (503) is provided on the outer surface of the top end of the telescopic column (401).

5. The conference system hanging speaker according to claim 1, characterized in that: A second winding reel (408) is fixedly arranged on the outer surface of the rotating cylinder (403) between the two first winding reels (405), and a first conductive wire (409) is wound on the surface of the second winding reel (408), one end of the first conductive wire (409) passes through the interior of the telescopic column (401) and extends to the interior of the speaker body (100) to be electrically connected to the speaker body (100).

6. A conference system hanging speaker according to claim 5, characterized in that: One end of the rotating cylinder (403) extends to a side surface of one of the fixed plates (402), and an electric slip ring (4010) is rotatably provided at the end of the rotating cylinder (403), the other end of the first wire (409) extends to the interior of the rotating cylinder (403) and is rotatably connected to a second wire (4011) through the electric slip ring (4010), and the second wire (4011) is electrically connected to an external power source.

7. The conference system hanging speaker according to claim 1, characterized in that: The inner wall of the installation box (200) is rotatably provided with two guide rods (4012) for guiding the pull rope (406).

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