CN114779556A - A photographic adaptive background cloth for film and television production - Google Patents

Abstract

The invention belongs to the technical field of background cloth, in particular to a photographic adaptive background cloth for film and television production. For some existing photographic background cloths, some stains will inevitably be stained during use, because the background cloth cannot be quickly replaced and cleaned , will lead to the accumulation of stains on the background cloth, thereby affecting the use effect, and the angle of the background cloth is inconvenient to adjust, and the use cannot adapt to different shooting angles. A support rod is fixedly installed on the top of the two support rods, a filter box is fixedly installed at the top of the two support rods, and a plurality of air guide pipes are fixedly installed at the bottom of the filter box, and an air guide mechanism is arranged in the air guide pipe. The invention has simple operation and convenient use, can easily shake the background cloth, absorb and filter the dust, and can adjust the angle of the background cloth, which is convenient for people to use.

Description

A photographic adaptive background cloth for film and television production

technical field

The invention relates to the technical field of background fabrics, in particular to a photographic adaptive background fabric for film and television production.

Background technique

Background cloth is a must-have for indoor photography. There are monochrome background cloths and theme background cloths. Background cloths can greatly improve the speed and quality of shooting. With the development of society, photography backgrounds based on film and television production have become The application of cloth device is more and more extensive.

Some existing photographic background cloths will inevitably be stained with some stains during use. Since the background cloth cannot be quickly replaced and cleaned, it will lead to the accumulation of stains on the background cloth, thus affecting the use effect, and the angle of the background cloth is inconvenient. To adjust, in use can not adapt to different shooting angles.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve some existing photographic background cloths, which will inevitably be stained with some stains during use. Since the background cloth cannot be quickly replaced and cleaned, the accumulation of stains on the background cloth will be caused, thereby affecting the use effect. In addition, the angle of the background cloth is inconvenient to adjust, and it cannot adapt to different shooting angles. Therefore, a photography adaptive background cloth for film and television production is proposed.

In order to achieve the above object, the present invention adopts the following technical solutions:

A photography adaptive background cloth for film and television production, comprising two bottom plates, a support rod is fixedly installed on the top of the bottom plate, a filter box is fixedly installed on the top of the two support rods, and a plurality of filter boxes are fixedly installed at the bottom of the filter box. an air guide pipe, an air guide mechanism is arranged in the air guide pipe, two symmetrically arranged filter plates are fixedly installed on the inner wall of the filter box, and a second motor is fixedly installed on the inner wall of one side of the filter box, A rotating rod is fixedly installed on the output shaft of the second motor, and the rotating rod is connected with a plurality of air guide mechanisms. A same positioning rod is fixedly installed between the two support rods. The bottom of the positioning rod is installed with a background cloth body. A movable rod is installed on the bottom of the background cloth body, an adjustment mechanism is arranged on the bottom plate, and the adjustment mechanism is connected with the movable rod in a driving manner. One side of the filter box is provided with a shaking mechanism, and the shaking mechanism is driven with the rotating rod, so The top of the bottom plate is provided with a sliding groove, the inner wall of the sliding groove is rotatably connected with a screw rod, and a first motor is fixedly installed on one inner wall of one of the two sliding grooves, and the output shaft of the first motor is connected to the corresponding screw rod. In a fixed connection, a moving block is threadedly connected to the screw, and the moving block is drivingly connected with the movable rod. A same driving rod is rotatably connected between the two bottom plates, and the driving rod is drivingly connected with the two screw rods.

Preferably, the air guide mechanism includes a fixed rod, the fixed rod is fixedly installed on the inner wall of the air guide pipe, a rotating shaft is rotatably connected to the fixed rod, a fan blade is fixedly installed at the bottom end of the rotating shaft, and the rotating shaft is connected with the rotating rod in a transmission manner. A plurality of first bevel gears are fixedly installed on the rod, and a second bevel gear is fixedly installed at the top of the rotating shaft. The box is rotatably connected with the rotating rod, and the rotating rotating rod drives the rotating shaft to rotate through the mutual meshing of the first conical gear and the second conical gear, and then can drive the fan blade to extract air from the background cloth body.

Preferably, the shaking mechanism includes a moving rod, the moving rod is slidably installed on one side of the filter box, one end of the moving rod is fixedly installed with a knocking rod, the knocking rod cooperates with the background cloth body, and one end of the moving rod is fixedly installed with a knocking rod. The baffle is slidingly connected with the bottom inner wall of the filter box, a positioning plate is fixedly installed on the moving rod, a return spring is fixedly installed on one side of the positioning plate, one end of the return spring is fixedly connected with the filter box, and the rotating rod is fixedly installed There is a cam, and the cam cooperates with the baffle. The rotating rod cooperates with the baffle and drives the moving rod to move back and forth under the action of the reset spring, thereby driving the tapping rod to tap and shake the background cloth body.

Preferably, the adjustment mechanism includes two pull rods, the pull rods are fixedly connected with the corresponding moving blocks, the pull rods are slidably connected with the movable rod, and the top end of the pull rod is fixedly installed with a block, and the bottom of the block is fixedly installed with a top spring, the top spring The bottom end of the transmission rod is fixedly connected with the movable rod. Both ends of the transmission rod are fixedly installed with driven bevel gears. The screw rods are fixedly installed with driving bevel gears. The driving bevel gears and the driven bevel gears mesh with each other. Through the mutual meshing of the driving bevel gear and the driven bevel gear, the output shaft drives the two screws to rotate at the same time, thereby driving the two moving blocks to move at the same time.

Compared with the prior art, the advantages of the present invention are:

(1) In this scheme, the intermeshing of the first bevel gear and the second bevel gear is provided, so that the rotating rod can drive the rotating shaft to rotate, and then the fan blade can be driven to suck the dust on the background cloth body;

(2) The mutual cooperation of the cam and the baffle, and the mutual cooperation of the return spring to the moving rod, enables the rotating rod to drive the moving rod to move back and forth, which in turn can drive the tapping rod to tap the background cloth body to shake the dust;

(3) Due to the threaded connection between the screw and the moving block, and the sliding connection between the pull rod and the movable rod, the output shaft of the first motor can drive the background cloth body to change the angle back and forth, and then the angle can be adjusted.

The invention has simple operation and convenient use, can easily shake the background cloth, absorb and filter the dust, and can adjust the angle of the background cloth, which is convenient for people to use.

Description of drawings

Fig. 1 is the structural representation of a kind of photographic self-adaptive background cloth for film and television production proposed by the present invention;

Fig. 2 is the side view structure schematic diagram of a kind of photography adaptive background cloth for film and television production proposed by the present invention;

3 is a schematic top view structure diagram of a filter box of a photography adaptive background cloth for film and television production proposed by the present invention;

4 is a schematic diagram of the structure of part A of a photography adaptive background cloth for film and television production proposed by the present invention;

FIG. 5 is a schematic structural diagram of part B of a photographic adaptive background cloth for film and television production proposed by the present invention.

In the figure: 1, the bottom plate; 2, the support rod; 3, the filter box; 4, the positioning rod; 5, the background cloth body; 6, the movable rod; 7, the sliding groove; 8, the screw rod; 9, the first motor; 10, Moving block; 11, pull rod; 12, stop block; 13, top spring; 14, transmission rod; 15, rotating rod; 16, second motor; 17, air guide pipe; 18, fixed rod; 19, rotating shaft; 20, Fan blade; 21, filter plate; 22, first bevel gear; 23, second bevel gear; 24, cam; 26, moving rod; 27, baffle; 28, positioning plate; 29, return spring; 30, percussion rod; 31, support column; 32, roller; 33, third motor; 34, transmission shaft; 35, worm; 36, worm wheel.

Detailed ways

The technical solutions in this embodiment will be clearly and completely described below with reference to the accompanying drawings in this embodiment. Obviously, the described embodiments are only a part of the embodiments of this embodiment, but not all of the embodiments.

Example 1

1-5, a photographic adaptive background cloth for film and television production includes two base plates 1, a support rod 2 is fixedly installed on the top of the base plate 1, and a filter box 3 is fixedly installed on the top of the two support rods 2. The filter box The bottom of the filter box 3 is fixedly installed with a plurality of air guide pipes 17, and the air guide pipe 17 is provided with an air guide mechanism. Two symmetrically arranged filter plates 21 are fixedly installed on the inner wall of the filter box 3. A second motor 16 is fixedly installed, and a rotating rod 15 is fixedly installed on the output shaft of the second motor 16. The rotating rod 15 is connected with a plurality of air guide mechanisms in a transmission connection, and the same positioning rod 4 is fixedly installed between the two support rods 2 , a background cloth body 5 is installed at the bottom of the positioning rod 4, a movable rod 6 is installed at the bottom of the background cloth body 5, an adjustment mechanism is provided on the bottom plate 1, and the adjustment mechanism is connected with the movable rod 6 by transmission, and one side of the filter box 3 is provided with The shaking mechanism, the shaking mechanism is connected with the rotating rod 15, the top of the bottom plate 1 is provided with a sliding groove 7, the inner wall of the sliding groove 7 is rotatably connected with a screw 8, and one of the two sliding grooves 7 is on the inner wall of one side of the sliding groove 7. The first motor 9 is fixedly installed, the output shaft of the first motor 9 is fixedly connected with the corresponding screw 8, the screw 8 is threadedly connected with a moving block 10, the moving block 10 is connected with the movable rod 6 in a transmission, and the two bottom plates 1 rotate between The same transmission rod 14 is connected, and the transmission rod 14 is drivingly connected with the two screws 8 .

In this embodiment, the air guide mechanism includes a fixed rod 18, the fixed rod 18 is fixedly installed on the inner wall of the air guide pipe 17, the fixed rod 18 is rotatably connected with a rotating shaft 19, and the bottom end of the rotating shaft 19 is fixedly installed with a fan blade 20, and the rotating shaft 19 is connected to the rotating rod 15 in a transmission, a plurality of first bevel gears 22 are fixedly installed on the rotating rod 15, a second bevel gear 23 is fixedly installed at the top of the rotating shaft 19, and the first bevel gear 22 is connected to the corresponding second bevel gear 22. The shaped gears 23 are meshed with each other, the rotating shaft 19 is rotatably connected with a positioning box, and the positioning box is rotatably connected with the rotating rod 15. The rotating rotating rod 15 drives the rotating shaft 19 through the mutual meshing of the first bevel gear 22 and the second bevel gear 23. By rotating, the fan blade 20 can be driven to pump air to the background cloth body 5 .

In this embodiment, the shaking mechanism includes a moving rod 26, the moving rod 26 is slidably installed on one side of the filter box 3, one end of the moving rod 26 is fixedly installed with a knocking rod 30, and the knocking rod 30 cooperates with the background cloth body 5. One end of the moving rod 26 is fixedly installed with a baffle plate 27, the baffle plate 27 is slidably connected to the bottom inner wall of the filter box 3, a positioning plate 28 is fixedly installed on the moving rod 26, and a return spring 29 is fixedly installed on one side of the positioning plate 28 to reset One end of the spring 29 is fixedly connected with the filter box 3, and a cam 24 is fixedly installed on the rotating rod 15. The cam 24 cooperates with the baffle plate 27, and the rotating rotating rod 15 cooperates with each other through the baffle plate 27, and is in the return spring 29. Under the action, the moving rod 26 is driven to move back and forth, and then the tapping rod 30 is driven to tap and shake the background cloth body 5 .

In this embodiment, the adjustment mechanism includes two pull rods 11 , the pull rods 11 are fixedly connected with the corresponding moving blocks 10 , the pull rods 11 are slidably connected with the movable rod 6 , and the top of the pull rod 11 is fixedly installed with a stopper 12 , and the bottom of the stopper 12 is fixedly installed. The top spring 13 is fixedly installed, the bottom end of the top spring 13 is fixedly connected with the movable rod 6, the two ends of the transmission rod 14 are fixedly installed with a driven bevel gear, and the screw 8 is fixedly installed with a driving bevel gear, and the driving cone The gear and the driven bevel gear mesh with each other, and the output shaft of the first motor 9 drives the two screws 8 to rotate at the same time through the mutual meshing of the driving bevel gear and the driven bevel gear, thereby driving the two moving blocks 10 to move at the same time.

Working principle, when working, start the switch of the second motor 16, the output shaft of the second motor 16 drives the rotating rod 15 to rotate, the rotating rod 15 drives the cam 24 to rotate, and the rotating cam 24 cooperates with the baffle plate 27 and rotates at the same time. The mutual cooperation of the return spring 29 drives the moving rod 26 to move back and forth, and the moving rod 26 drives the knock rod 30 to knock and shake the background cloth body 5, so that the dust on the background cloth 5 is emitted, and the rotating rod 15 passes through the first cone. The mutual meshing of the gear 22 and the second bevel gear 23 drives the rotating shaft 19 to rotate, and the rotating rotating shaft 19 absorbs the dust below through the fan blade 20, and filters the absorbed dust through the filter plate 21, so as to facilitate the cleaning of the dust. The dust on the background cloth body 5 is treated. When the angle of the background cloth body 5 needs to be adjusted, the switch of the first motor 9 is activated, and the output shaft of the first motor 9 passes through the mutual interaction between the two driving bevel gears and the driven bevel gears. The meshing drives the two screw rods 8 and the transmission rod 14 to rotate at the same time. The rotating screw rod 8 is connected with the moving block 10 through the thread, so as to drive the pull rod 11 to change its position. By pressing, the background cloth body 5 is driven to change the angle at the same time, so that it can adapt to different shooting methods.

Embodiment 2

1-5, a photographic adaptive background cloth for film and television production includes two base plates 1, a support rod 2 is fixedly installed on the top of the base plate 1, and a filter box 3 is fixedly installed on the top of the two support rods 2. The filter box The bottom of the filter box 3 is fixedly installed with a plurality of air guide pipes 17, and the air guide pipe 17 is provided with an air guide mechanism. Two symmetrically arranged filter plates 21 are fixedly installed on the inner wall of the filter box 3. A second motor 16 is fixedly installed, and a rotating rod 15 is fixedly installed on the output shaft of the second motor 16. The rotating rod 15 is connected with a plurality of air guide mechanisms in a transmission connection, and the same positioning rod 4 is fixedly installed between the two support rods 2 , a background cloth body 5 is installed at the bottom of the positioning rod 4, a movable rod 6 is installed at the bottom of the background cloth body 5, an adjustment mechanism is provided on the bottom plate 1, and the adjustment mechanism is connected with the movable rod 6 by transmission, and one side of the filter box 3 is provided with The shaking mechanism, the shaking mechanism is connected with the rotating rod 15, the top of the bottom plate 1 is provided with a sliding groove 7, the inner wall of the sliding groove 7 is rotatably connected with a screw 8, and one of the two sliding grooves 7 is on the inner wall of one side of the sliding groove 7. The first motor 9 is fixedly installed, the output shaft of the first motor 9 is fixedly connected with the corresponding screw 8, the screw 8 is threadedly connected with a moving block 10, the moving block 10 is connected with the movable rod 6 in a transmission, and the two bottom plates 1 rotate between The same transmission rod 14 is connected, and the transmission rod 14 is connected with two screws 8 in a driving manner. Two symmetrically arranged supporting columns 31 are slidably connected to the bottom plate 1. The bottom end of the supporting column 31 is rotatably connected with a roller 32. A third motor 33 is fixedly installed on the top of one of the bottom plates 1, two symmetrically arranged positioning boxes are fixedly installed on the top of the bottom plate 1, the positioning boxes are slidably connected with the corresponding support columns 31, and the two positioning boxes are rotatably connected with With the same transmission shaft 34, the output shaft of the third motor 33 is fixedly connected with the corresponding transmission shaft 34, and the two transmission shafts 34 are fixedly sleeved with pulleys, and the two pulleys are driven and connected with the same belt, and the transmission shaft 34 Two worms 35 are fixedly installed on the top, and two worm gears 36 are rotatably connected to the top of the bottom plate 1 , and the worm gears 36 are threadedly connected to the corresponding support columns 31 .

In this embodiment, the air guide mechanism includes a fixed rod 18, the fixed rod 18 is fixedly installed on the inner wall of the air guide pipe 17, the fixed rod 18 is rotatably connected with a rotating shaft 19, and the bottom end of the rotating shaft 19 is fixedly installed with a fan blade 20, and the rotating shaft 19 is connected to the rotating rod 15 in a transmission, a plurality of first bevel gears 22 are fixedly installed on the rotating rod 15, a second bevel gear 23 is fixedly installed at the top of the rotating shaft 19, and the first bevel gear 22 is connected to the corresponding second bevel gear 22. The shaped gears 23 are meshed with each other, the rotating shaft 19 is rotatably connected with a positioning box, and the positioning box is rotatably connected with the rotating rod 15. The rotating rotating rod 15 drives the rotating shaft 19 through the mutual meshing of the first bevel gear 22 and the second bevel gear 23. By rotating, the fan blade 20 can be driven to pump air to the background cloth body 5 .

In this embodiment, the shaking mechanism includes a moving rod 26, the moving rod 26 is slidably installed on one side of the filter box 3, one end of the moving rod 26 is fixedly installed with a knocking rod 30, and the knocking rod 30 cooperates with the background cloth body 5. One end of the moving rod 26 is fixedly installed with a baffle plate 27, the baffle plate 27 is slidably connected to the bottom inner wall of the filter box 3, a positioning plate 28 is fixedly installed on the moving rod 26, and a return spring 29 is fixedly installed on one side of the positioning plate 28 to reset One end of the spring 29 is fixedly connected with the filter box 3, and a cam 24 is fixedly installed on the rotating rod 15. The cam 24 cooperates with the baffle plate 27, and the rotating rotating rod 15 cooperates with each other through the baffle plate 27, and is in the return spring 29. Under the action, the moving rod 26 is driven to move back and forth, and then the tapping rod 30 is driven to tap and shake the background cloth body 5 .

In this embodiment, the adjustment mechanism includes two pull rods 11 , the pull rods 11 are fixedly connected with the corresponding moving blocks 10 , the pull rods 11 are slidably connected with the movable rod 6 , and the top of the pull rod 11 is fixedly installed with a block 12 , and the bottom of the block 12 is fixedly installed. The top spring 13 is fixedly installed, the bottom end of the top spring 13 is fixedly connected with the movable rod 6, the two ends of the transmission rod 14 are fixedly installed with a driven bevel gear, and the screw 8 is fixedly installed with a driving bevel gear, and the driving cone The gear and the driven bevel gear mesh with each other, and the output shaft of the first motor 9 drives the two screws 8 to rotate at the same time through the mutual meshing of the driving bevel gear and the driven bevel gear, thereby driving the two moving blocks 10 to move at the same time.

Working principle, the difference between the second embodiment and the first embodiment is that when the device needs to be moved, the switch of the third motor 33 is activated, and the output shaft of the third motor 33 drives the two transmission shafts through the transmission connection of the two pulleys and the belt. 34 rotate at the same time, the rotating transmission shaft 34 drives the worm wheel 36 to rotate through the mutual meshing of the worm 35 and the worm wheel 36, and the rotating worm wheel 36 drives the support column 31 to move downward through the threaded connection with the support column 31, so as to drive the rollers 32 to pair. The ground is supported, which can facilitate the movement of the device.

The above descriptions are only preferred specific implementations of this embodiment, but the protection scope of this embodiment is not limited to this. The technical solutions and the inventive concept of the examples are equivalently replaced or changed, which should all be covered within the protection scope of this embodiment.

Claims (8)

1. A photographic self-adaptive background cloth for film and television production, comprising two base plates (1), characterized in that a support rod (2) is fixedly installed on the top of the base plate (1), and the A filter box (3) is fixedly installed at the top, and a plurality of air guide pipes (17) are fixedly installed at the bottom of the filter box (3). Two symmetrically arranged filter plates (21) are fixedly installed on the inner wall of (3), and a second motor (16) is fixedly installed on the inner wall of one side of the filter box (3). The output of the second motor (16) A rotating rod (15) is fixedly installed on the shaft, and the rotating rod (15) is connected with a plurality of air guide mechanisms in a transmission connection, and a same positioning rod (4) is fixedly installed between the two support rods (2). The positioning rod (4) A background cloth body (5) is installed at the bottom of the background cloth, a movable rod (6) is installed at the bottom of the background cloth body (5), and an adjustment mechanism is provided on the bottom plate (1), and the adjustment mechanism is transmitted with the movable rod (6). connection, one side of the filter box (3) is provided with a shaking mechanism, the shaking mechanism is connected with the rotating rod (15) in a driving manner, the top of the bottom plate (1) is provided with a sliding groove (7), the sliding groove (7) A screw (8) is rotatably connected to the inner wall of the two sliding grooves (7), a first motor (9) is fixedly installed on one side of the inner wall of one of the two sliding grooves (7), and the output of the first motor (9) The shaft is fixedly connected with the corresponding screw rod (8), the screw rod (8) is threadedly connected with a moving block (10), the moving block (10) is connected with the movable rod (6) in a driving manner, and the two bottom plates (1) rotate between the two base plates (1). The same transmission rod (14) is connected, and the transmission rod (14) is in driving connection with the two screw rods (8). 2. A photography adaptive background cloth for film and television production according to claim 1, wherein the wind guide mechanism comprises a fixed rod (18), and the fixed rod (18) is fixedly installed on the wind guide pipe (17) On the inner wall, a rotating shaft (19) is rotatably connected to the fixing rod (18), the bottom end of the rotating shaft (19) is fixedly installed with a fan blade (20), and the rotating shaft (19) is connected to the rotating rod (15) by transmission. 3. A kind of photographic adaptive background cloth for film and television production according to claim 1, wherein the shaking mechanism comprises a moving rod (26), and the moving rod (26) is slidably installed on one of the filter boxes (3). On the side, one end of the moving rod (26) is fixedly installed with a knocking rod (30), and the knocking rod (30) cooperates with the background cloth body (5). 4. A kind of photography adaptive background cloth for film and television production according to claim 1, characterized in that, the adjustment mechanism comprises two pull rods (11), and the pull rods (11) are fixedly connected with the corresponding moving blocks (10) , the pull rod (11) is slidably connected with the movable rod (6), and the top end of the pull rod (11) is fixedly installed with a stopper (12), and the bottom of the stopper (12) is fixedly installed with a top spring (13), and the top spring (13) ) is fixedly connected with the movable rod (6). 5. A photography adaptive background cloth for film and television production according to claim 2, wherein a plurality of first bevel gears (22) are fixedly installed on the rotating rod (15), and the rotating shaft (19) A second bevel gear (23) is fixedly mounted on the top end of the shaft, and the first bevel gear (22) and the corresponding second bevel gear (23) mesh with each other. 6. The photographic adaptive background cloth for film and television production according to claim 3, wherein a baffle plate (27) is fixedly installed at one end of the moving rod (26), and the baffle plate (27) is connected to a filter box. The bottom inner wall of (3) is slidably connected, a positioning plate (28) is fixedly installed on the moving rod (26), a return spring (29) is fixedly installed on one side of the positioning plate (28), and one end of the return spring (29) is connected to the filter The box (3) is fixedly connected, and a cam (24) is fixedly installed on the rotating rod (15), and the cam (24) and the baffle plate (27) cooperate with each other. 7. A kind of photography adaptive background cloth for film and television production according to claim 1, characterized in that, both ends of the transmission rod (14) are fixedly installed with driven bevel gears, and the screw (8) is fixed on the A driving bevel gear is installed, and the driving bevel gear and the driven bevel gear mesh with each other. 8. A photography adaptive background cloth for film and television production according to claim 2, wherein a positioning box is rotatably connected to the rotating shaft (19), and the positioning box is rotatably connected to the rotating rod (15).

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