Studio showing stand for radio and television engineering

Abstract

The utility model discloses a studio showing stand for radio and television engineering, belongs to the technical field of showing stands, and aims to solve the problems that when a heavy instrument needs to be supported, the supporting area of the showing stand is fixed, so that the showing stand is not stably supported and is easy to topple over, and the instrument is damaged. A plurality of sleeves distributed circumferentially are fixed to the outer side wall of the bottom column, movable columns are movably sleeved with the sleeves, and a supporting box is fixed to one end of each movable column; by means of the movable sleeve, the movable column can move out of the sleeve, the position of the supporting box can be adjusted conveniently, by means of the first gear, the first tooth-shaped arc plate and the second tooth-shaped arc plate, the supporting area of the supporting box is increased, and therefore the supporting box can be conveniently adjusted according to the display requirements of instruments with different weights. The supporting capacity of the showing stand is adjusted, and therefore the situation that when a heavy instrument is supported, supporting of the showing stand is not stable enough, the showing stand is prone to toppling over, and the instrument is damaged is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of display racks, and in particular relates to a studio display rack for broadcasting and television engineering. Background Art

[0002] When the existing studio display rack for broadcasting and television engineering is in use, the support area between the display rack and the ground is fixed. When a heavy instrument needs to be supported, the support of the display rack is not stable enough and is easy to fall over, causing damage to the instrument.

[0003] Therefore, a studio display stand for broadcasting and television engineering is needed to solve the problem in the prior art that when a heavy instrument needs to be supported, the support area of ​​the display stand is fixed, resulting in the display stand being unstable and prone to tipping over, causing damage to the instrument. Utility Model Content

[0004] The purpose of the utility model is to provide a studio display rack for broadcasting and television engineering to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a studio display stand for broadcasting and television engineering, comprising a base column, a plurality of circumferentially distributed sleeves are fixed on the outer wall of the base column, a movable column is movably sleeved in the sleeve, a support box is fixed at one end of the movable column, a second toothed arc plate is movably connected to the bottom of the inner wall of the support box, a first toothed arc plate is movably connected to the middle of the inner wall of the support box, the tooth surfaces of the first toothed arc plate and the second toothed arc plate are arranged opposite to each other, a fixed block is fixed to one side of the top surface of the outer wall of the sleeve, a threaded rod is rotatably connected between the fixed block and a side surface close to the base column, a movable sleeve is threadedly connected to the outer wall of the threaded rod, a connecting block is fixed to the bottom surface of the movable sleeve, a top opening is opened on the top surface of the sleeve, the connecting block passes through the top opening, and the bottom surface of the connecting block is fixed to the top surface of the movable column.

[0006] It should be noted in the scheme that a second gear is fixed to one end of the threaded rod, a toothed ring plate is rotatably connected inside the bottom column, and the second gear is meshed with the toothed ring plate.

[0007] It is further worth mentioning that an annular groove is formed on the inner side wall of the bottom column, and the toothed ring plate is movably engaged in the annular groove.

[0008] It should be further explained that a rotating shaft is rotatably connected to the middle of the top surface of the support box, a first gear is fixed to the bottom surface of the rotating shaft, the first gear is respectively engaged with the first toothed arc plate and the second toothed arc plate, a side panel is fixed to the top surface of the support box, a servo motor is fixed to the bottom surface of the side panel, the output end of the servo motor is fixed to the top surface of the rotating shaft, a PLC controller is fixed to the middle of the outer wall of the support column, and the four servo motors are electrically connected to the PLC controller respectively.

[0009] As a preferred embodiment, limiting grooves are respectively provided on both sides of the bottom of the inner side wall of the support box, and the two ends of the bottom of the second toothed arc plate are respectively movably engaged in the limiting grooves, a first support block is fixed to one side of the bottom surface of the second toothed arc plate, two T-shaped arc grooves are provided on a side surface of the outer side wall of the first toothed arc plate, two T-shaped limiting rings are fixed to one side surface of the inner side wall of the support box, the T-shaped limiting rings are movably engaged with the T-shaped arc grooves, and a second support block is fixed to one side of the bottom surface of the first toothed arc plate.

[0010] As a preferred embodiment, a rotating rod is fixed at the center of the top surface of the toothed ring plate, a hand wheel is fixed to the top of the rotating rod, a supporting column is fixed to the top surface of the base column, and a display board is fixed to the top surface of the supporting column.

[0011] Compared with the prior art, the studio display stand for broadcasting and television engineering provided by the utility model has at least the following beneficial effects:

[0012] By means of the toothed ring plate and the second gear, the four threaded rods can rotate synchronously, and by means of the movable sleeve, the movable column can move out of the sleeve, thereby facilitating the adjustment of the position of the support box. By means of the first gear, the first toothed arc plate and the second toothed arc plate, the supporting area of ​​the support box is increased, thereby being able to adjust the supporting capacity of the display stand according to the display requirements of instruments of different weights, thereby avoiding the situation in which the support of the display stand is not stable enough and is easy to tip over when supporting instruments with heavier weights, thereby causing damage to the instruments. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the bottom column structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the first support block of the utility model;

[0016] Figure 4 For this utility model Figure 3 Schematic diagram of the locally enlarged structure of A in the middle.

[0017] In the figure:

[0018] 100, bottom column; 101, support column; 102, display board; 103, PLC controller;

[0019] 200, sleeve; 201, moving column; 202, support box; 203, first toothed arc plate; 204, second toothed arc plate; 205, limit groove; 206, first support block; 207, second support block;

[0020] 300, first gear; 301, rotating shaft; 302, side plate; 303, servo motor; 304, threaded rod; 305, movable sleeve; 306, top opening; 307, connecting block; 308, fixed block;

[0021] 400, toothed ring plate; 401, second gear; 402, annular groove; 403, rotating rod; 404, hand wheel;

[0022] 500, T-shaped arc groove; 501, T-shaped limit ring. DETAILED DESCRIPTION

[0023] See also Figure 1-4 The utility model provides a studio display rack for broadcasting and television engineering, including a bottom column 100, a plurality of sleeves 200 distributed in a circumference are fixed to the outer wall of the bottom column 100, a movable sleeve 305 in the sleeve 200 is connected to a movable column 201, a support box 202 is fixed to one end of the movable column 201, a second toothed arc plate 204 is movably connected to the bottom of the inner wall of the support box 202, a first toothed arc plate 203 is movably connected to the middle of the inner wall of the support box 202, and the first toothed arc plate 203 and the second toothed arc plate 204 are movably connected to each other. The tooth surfaces of the arc plate 204 are arranged relatively to each other, a fixed block 308 is fixed on one side of the top surface of the outer wall of the sleeve 200, a threaded rod 304 is rotatably connected between the fixed block 308 and a side surface close to the base column 100, a movable sleeve 305 is threadedly connected to the outer wall of the threaded rod 304, a connecting block 307 is fixed to the bottom surface of the movable sleeve 305, a top opening 306 is opened on the top surface of the sleeve 200, the connecting block 307 passes through the top opening 306, and the bottom surface of the connecting block 307 is fixed to the top surface of the movable column 201.

[0024] Further as Figure 2 As shown, a second gear 401 is fixed to one end of the threaded rod 304 , a toothed ring plate 400 is rotatably connected inside the base column 100 , and the second gear 401 is meshed with the toothed ring plate 400 .

[0025] The toothed ring plate 400 and the second gear 401 are provided so that the four threaded rods 304 can rotate synchronously, thereby synchronously driving the movable sleeve 305 to move, so that the movable column 201 is moved out of the sleeve 200.

[0026] Further as Figure 2 As shown, an annular groove 402 is formed on the inner wall of the base column 100 , and the toothed ring plate 400 is movably engaged in the annular groove 402 .

[0027] The annular groove 402 is provided so that the position of the toothed ring plate 400 can be fixed, thereby facilitating the rotation of the toothed ring plate 400 .

[0028] Further as Figure 3 and Figure 4 As shown, a rotating shaft 301 is rotatably connected to the middle of the top surface of the support box 202, and a first gear 300 is fixed to the bottom surface of the rotating shaft 301. The first gear 300 is respectively meshed with the first toothed arc plate 203 and the second toothed arc plate 204, a side plate 302 is fixed to the top surface of the support box 202, a servo motor 303 is fixed to the bottom surface of the side plate 302, and an output end of the servo motor 303 is fixed to the top surface of the rotating shaft 301, a PLC controller 103 is fixed to the middle of the outer wall of the support column 101, and the four servo motors 303 are respectively electrically connected to the PLC controller 103.

[0029] By providing the first gear 300 , the first toothed arc plate 203 and the second toothed arc plate 204 can move to both sides respectively.

[0030] This solution has the following working process: when the supporting force of the display stand is enhanced, the hand wheel 404 is manually rotated, the hand wheel 404 rotates to drive the rotating rod 403 to rotate, the rotating rod 403 rotates to drive the toothed ring plate 400 to rotate, the toothed ring plate 400 rotates to drive the four second gears 401 to rotate synchronously, the second gear 401 rotates to drive the threaded rod 304 to rotate, the threaded rod 304 rotates to drive the movable sleeve 305 to move, the movable sleeve 305 moves to drive the movable column 201 to move, the movable column 201 moves to move the support box 202, and the movable column 201 is adjusted according to the needs. 1, by controlling the PLC controller 103, the PLC controller 103 controls the four servo motors 303 to rotate simultaneously, the servo motor 303 rotates to drive the rotating shaft 301 to rotate, the rotating shaft 301 rotates to drive the first gear 300 to rotate, the first gear 300 rotates to drive the first toothed arc plate 203 and the second toothed arc plate 204 to move in opposite directions respectively, so that the first toothed arc plate 203 and the second toothed arc plate 204 are moved out of the supporting box 202, so that the supporting area of ​​the supporting box 202 is increased, thereby enhancing the supporting capacity of the entire display stand.

[0031] According to the above working process, it can be known that: by setting the toothed ring plate 400 and the second gear 401, the four threaded rods 304 can rotate synchronously, and by setting the movable sleeve 305, the movable column 201 can be moved out of the sleeve 200, so as to facilitate the adjustment of the position of the support box 202. By setting the first gear 300, the first toothed arc plate 203 and the second toothed arc plate 204, the supporting area of ​​the support box 202 is increased, so that the supporting capacity of the display stand can be adjusted according to the display requirements of instruments of different weights, thereby avoiding the situation where the support of the display stand is not stable enough and is easy to tip over when supporting instruments with heavier weights, causing damage to the instruments.

[0032] Further as Figure 3 As shown, limiting grooves 205 are respectively provided on both sides of the bottom of the inner side wall of the support box 202, and the two ends of the bottom of the second toothed arc plate 204 are respectively movably engaged in the limiting grooves 205, and a first support block 206 is fixed to one side of the bottom surface of the second toothed arc plate 204, and the bottom surfaces of the first support block 206 and the second support block 207 are in the same plane as the bottom surfaces of the support box 202 and the bottom column 100, and two T-shaped arc grooves 500 are provided on a side surface of the outer side wall of the first toothed arc plate 203, and two T-shaped limiting rings 501 are fixed to a side surface of the inner side wall of the support box 202, and the T-shaped limiting rings 501 are movably engaged with the T-shaped arc grooves 500, and a second support block 207 is fixed to one side of the bottom surface of the first toothed arc plate 203.

[0033] The position of the second toothed arc plate 204 can be limited by the setting of the limiting groove 205, and the position of the first toothed arc plate 203 can be limited by the setting of the T-shaped arc groove 500 and the T-shaped limiting ring 501, so that the first toothed arc plate 203 and the second toothed arc plate 204 can move to both sides respectively.

[0034] Further as Figure 2 As shown, a rotating rod 403 is fixed at the center of the top surface of the toothed ring plate 400, a hand wheel 404 is fixed at the top of the rotating rod 403, a supporting column 101 is fixed to the top surface of the base column 100, and a display board 102 is fixed to the top surface of the supporting column 101.

[0035] By setting up the display board 102 , the equipment in the studio can be placed on the display board 102 .

[0036] In summary, when the supporting force of the display stand is enhanced, the hand wheel 404 is manually rotated, the hand wheel 404 rotates to drive the rotating rod 403 to rotate, the rotating rod 403 rotates to drive the toothed ring plate 400 to rotate, the toothed ring plate 400 rotates to drive the four second gears 401 to rotate synchronously, the second gear 401 rotates to drive the threaded rod 304 to rotate, the threaded rod 304 rotates to drive the movable sleeve 305 to move, the movable sleeve 305 moves to drive the movable column 201 to move, the movable column 201 moves to move the support box 202, and the movement of the movable column 201 is adjusted according to the needs. The PLC controller 103 controls the four servo motors 303 to rotate simultaneously, the servo motors 303 rotate to drive the rotating shaft 301 to rotate, the rotating shaft 301 rotates to drive the first gear 300 to rotate, the first gear 300 rotates to drive the first toothed arc plate 203 and the second toothed arc plate 204 to move in opposite directions, so that the first toothed arc plate 203 and the second toothed arc plate 204 are moved out of the supporting box 202, so that the supporting area of ​​the supporting box 202 is increased, thereby enhancing the supporting capacity of the entire display stand.

[0037] The servo motor 303 can be purchased on the market, which is a mature technology in this field and has been fully disclosed, so it will not be repeated in the specification.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A studio display stand for broadcasting and television engineering, comprising a bottom column (100), characterized in that: The outer wall of the bottom column (100) is fixed with a plurality of sleeves (200) distributed in a circumference, a movable sleeve (305) in the sleeve (200) is connected with a movable column (201), a support box (202) is fixed at one end of the movable column (201), a second toothed arc plate (204) is movably connected to the bottom of the inner wall of the support box (202), a first toothed arc plate (203) is movably connected to the middle of the inner wall of the support box (202), the tooth surfaces of the first toothed arc plate (203) and the second toothed arc plate (204) are arranged opposite to each other, and the sleeve A fixed block (308) is fixed on one side of the top surface of the outer wall of the tube (200); a threaded rod (304) is rotatably connected between the fixed block (308) and a side surface close to the base column (100); a movable sleeve (305) is threadedly connected to the outer wall of the threaded rod (304); a connecting block (307) is fixed to the bottom surface of the movable sleeve (305); a top opening (306) is opened on the top surface of the sleeve (200); the connecting block (307) passes through the top opening (306); and the bottom surface of the connecting block (307) is fixed to the top surface of the movable column (201).

2. The studio display stand for broadcasting and television engineering according to claim 1, characterized in that: A second gear (401) is fixed to one end of the threaded rod (304), a toothed ring plate (400) is rotatably connected inside the base column (100), and the second gear (401) is meshed with the toothed ring plate (400).

3. The studio display stand for broadcasting and television engineering according to claim 2, characterized in that: An annular groove (402) is formed on the inner side wall of the bottom column (100), and the toothed ring plate (400) is movably engaged in the annular groove (402).

4. The studio display stand for broadcasting and television engineering according to claim 3, characterized in that: A rotating shaft (301) is rotatably connected to the middle of the top surface of the support box (202); a first gear (300) is fixed to the bottom surface of the rotating shaft (301); the first gear (300) is meshed with the first toothed arc plate (203) and the second toothed arc plate (204) respectively; a side plate (302) is fixed to the top surface of the support box (202); a servo motor (303) is fixed to the bottom surface of the side plate (302); an output end of the servo motor (303) is fixed to the top surface of the rotating shaft (301); a PLC controller (103) is fixed to the middle of the outer wall of the support column (101); and four servo motors (303) are electrically connected to the PLC controller (103) respectively.

5. The studio display stand for broadcasting and television engineering according to claim 4, characterized in that: Limiting grooves (205) are respectively provided on both sides of the bottom of the inner side wall of the support box (202); the two ends of the bottom of the second toothed arc plate (204) are respectively and movably engaged in the limiting grooves (205); a first supporting block (206) is fixed to one side of the bottom surface of the second toothed arc plate (204); two T-shaped arc grooves (500) are provided on one side of the outer side wall of the first toothed arc plate (203); two T-shaped limiting rings (501) are fixed to one side of the inner side wall of the support box (202); the T-shaped limiting rings (501) are movably engaged with the T-shaped arc grooves (500); and a second supporting block (207) is fixed to one side of the bottom surface of the first toothed arc plate (203).

6. The studio display stand for broadcasting and television engineering according to claim 5, characterized in that: A rotating rod (403) is fixed at the center of the top surface of the toothed ring plate (400), a hand wheel (404) is fixed at the top end of the rotating rod (403), a supporting column (101) is fixed on the top surface of the base column (100), and a display board (102) is fixed on the top surface of the supporting column (101).

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