CN216211720U

CN216211720U - Background frame for drama teaching shooting

Info

Publication number: CN216211720U
Application number: CN202122569409.3U
Authority: CN
Inventors: 杨今为
Original assignee: Chongqing University of Education
Current assignee: Chongqing University of Education
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-04-05
Anticipated expiration: 2031-10-25

Abstract

The utility model belongs to the technical field of background frames, and particularly relates to a background frame for drama teaching shooting, which comprises a rectangular mounting plate, wherein a sleeve is arranged in the middle of the upper end of the mounting plate, the upper end of the mounting plate is slidably provided with two slide blocks, the left end and the right end of the upper side of the mounting plate are respectively provided with an assembling block, the two assembling blocks are jointly connected with a rotating shaft, the rotating shaft is divided into a left-handed thread section and a right-handed thread section, the left-handed thread section is in threaded connection with a left-handed slide block, the right-handed thread section is in threaded connection with a right-handed slide block, the inside of the sleeve is vertically slidably provided with a supporting rod, the upper ends of the two slide blocks are respectively hinged with a connecting rod, the front end of the upper side of the supporting rod is provided with a connecting block, the front end of the connecting block is provided with a bar-shaped frame, the left side and the right side of the front end of the bar-shaped frame are both in threaded connection with threaded rods, the rear ends of the two threaded rods extend into the bar-shaped frame and jointly rotate and are fixedly connected with a clamping plate, thereby affecting the working efficiency.

Description

Background frame for drama teaching shooting

Technical Field

The utility model belongs to the technical field of background frames, and particularly relates to a background frame for drama teaching shooting.

Background

Drama and cinematography are the first-level subjects of the state, and the second-level specialties are performance, broadcast television director, drama movie director, drama, drama movie and television literature, cinematography, movie photography and production, drama movie and television art design, recording art, visual transmission design, animation, digital media art and the like.

In the drama teaching process, often need lay background cloth, the different background of show, consequently need use the background frame in order to save the shooting cost, but current background frame often is with a plurality of clip when pressing from both sides tight background cloth, fixes background cloth on the background frame, and such operation is convenient inadequately, influences work efficiency.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is: the background frame for drama teaching shooting is provided, and the problem that the work efficiency is affected due to the fact that the background frame is used for fixing background cloth and operation is complex can be solved.

In order to achieve the technical purpose, the technical scheme adopted by the utility model is as follows:

a background frame for drama teaching shooting comprises a rectangular mounting plate, wherein a sleeve is mounted in the middle of the upper end of the mounting plate, two sliding blocks are assembled on the upper end of the mounting plate in a sliding mode and are respectively positioned on the left side and the right side of the sleeve, assembling blocks are mounted at the left end and the right end of the upper side of the mounting plate, sliding grooves matched with the positions of the sliding blocks are formed in the left side and the right side of the sleeve respectively, two assembling blocks jointly rotate and are fixedly connected with a rotating shaft, the right end of the rotating shaft penetrates through the right side of the assembling blocks, the rotating shaft is divided into a left-handed thread section and a right-handed thread section, the left-handed thread section is in threaded connection with the left side of the sliding blocks, the right-handed thread section is in threaded connection with the right side of the sliding blocks, a supporting rod is assembled in the sleeve in a sliding mode up and down, the upper end of the supporting rod penetrates through the upper end of the sleeve, the upper ends of the two sliding blocks are respectively hinged with a connecting rod, and the upper ends of the two connecting rods respectively penetrate through the sliding grooves and are hinged with the lower ends of the supporting rods;

the utility model discloses a bar, including bracing piece, bracing piece upside front end, even piece, the equal threaded connection in the strip front end left and right sides has a threaded rod, two the threaded rod rear end all stretches into the strip inside and rotate fixedly connected with splint jointly, splint and the inside size phase-match of strip, two the threaded rod front end is fixedly connected with rocker, two the rocker lower extreme rotates jointly and is equipped with the bull stick, bull stick front end mid-mounting has first hand rocker.

When the background frame is used, the upper end of the background cloth can be held by hands, the upper end of the background cloth extends into the strip-shaped frame, the first rocker is held by hands after the upper end of the background cloth reaches a proper position, the first rocker rotates in the circumferential direction, the first rocker reciprocates in the circumferential direction and drives the rotating rod to reciprocate in the circumferential direction, so that the rotating rod drives the two rockers to rotate and connect with the rotating rod, the lower ends of the two rockers rotate along with the circumferential rotation of the connecting rod, so that the two threaded rods rotate and are in threaded connection with the strip-shaped frame, the two threaded rods move forwards or backwards after rotating, the clamping plates are driven to move backwards when the two threaded rods move backwards simultaneously until the clamping plates contact the outer surface of the background cloth, then the clamping plates rotate continuously and are driven to be matched with the back wall in the strip-shaped frame to clamp the background cloth, if the height of the background cloth is adjusted after the background cloth is clamped, the rotating disc can be held by the same hand and rotates, the rotating shaft can rotate due to the rotation of the rotating disc, the rotating shaft is divided into a left-handed thread section and a right-handed thread section, the left-handed thread section is in threaded connection with the left-handed slider, and the right-handed thread section is in threaded connection with the right-handed slider, so that when the rotating shaft rotates, the two sliders can approach to each other and separate from each other due to opposite rotation directions of the two thread sections, when the two sliders approach to each other, the connecting rods at the upper ends of the two sliders can gradually change from an inclined state to a vertical state, in the process, the upper ends of the two connecting rods can jointly jack up the supporting rod, thereby realizing that the supporting rod slides upwards in the sleeve, the upper body of the supporting rod drives the background cloth arranged at the upper ends of the supporting rods to ascend, and when the two sliders separate from each other, the two supporting rods gradually incline in the vertical state, thereby realizing the descending of the supporting rod.

The outer edge of the right end of the rotary disc is fixedly connected with a second hand rocker, so that when the rotary disc is rotated again, a labor-saving lever can be formed between the rotary disc and the second hand rocker, and a user can save more labor.

Four locking-type universal wheels are uniformly installed at the lower end of the installation plate, so that the position of the rectangular installation plate can be conveniently moved through the universal wheels, and the universal wheels can be locked by using locks of the universal wheels to prevent sliding.

The anti-slip sleeve is arranged on the outer surface of the first hand rocker, so that when the first hand rocker is held by a hand to shake, the anti-slip sleeve can increase friction force and prevent slipping.

The spongy cushion is installed at the rear end of the clamping plate, so that the background cloth can be clamped by the clamping plate, the spongy cushion can play a role in buffering and skid resistance, the hands of workers can be prevented from being clamped during working, and the friction force between the spongy cushion and the background cloth can also be increased.

The bracing piece adopts the aluminum alloy material, because the aluminum alloy quality is light and have higher intensity to make the bracing piece have the characteristics that the quality is light and intensity is high, and then be convenient for improve the life of bracing piece.

The utility model can drive the clamping plate to move back and forth by utilizing the rotation of the two threaded rods to clamp and loosen the background cloth, thus the trouble of clamping the background cloth on the background frame one by using a clamp can be saved, and simultaneously, the rotating shaft can be driven to rotate by the rotation of the turntable, so that the state of the two connecting rods is changed from inclined to vertical or from vertical to inclined, thereby realizing the lifting of the supporting rod, the operation is simple and convenient, the background cloth can be conveniently installed when the supporting rod is lowered, and the background cloth can be conveniently displayed when the supporting rod is lifted.

Drawings

The utility model is further illustrated by the non-limiting examples given in the accompanying drawings;

fig. 1 is a first schematic structural diagram of an embodiment of a background frame for drama teaching shooting according to the present invention;

fig. 2 is a schematic structural diagram of a background frame for drama teaching shooting according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

fig. 4 is a first partial structural diagram of the present invention.

The main element symbols are as follows:

the device comprises a rectangular mounting plate 1, a sleeve 12, a sliding block 13, an assembling block 14, a sliding groove 15, a rotating shaft 16, a rotating disc 17, a left-handed thread section 18, a right-handed thread section 19, a supporting rod 20, a connecting rod 21, a connecting block 22, a strip-shaped frame 23, a threaded rod 24, a clamping plate 25, a rocking rod 26, a rotating rod 27, a first hand rocking rod 28, a second hand rocking rod 29, a universal wheel 30, an anti-skidding sleeve 31 and a sponge mat 32.

Detailed Description

In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.

As shown in fig. 1-4, the background frame for drama teaching and shooting of the present invention comprises a rectangular mounting plate 1, a sleeve 12 is installed in the middle of the upper end of the mounting plate 1, two sliding blocks 13 are slidably assembled on the upper end of the mounting plate 1, the two sliding blocks 13 are respectively located on the left and right sides of the sleeve 12, assembling blocks 14 are respectively installed on the left and right ends of the upper side of the mounting plate 1, sliding grooves 15 matched with the sliding blocks 13 are respectively formed on the left and right sides of the sleeve 12, the two assembling blocks 14 are jointly and fixedly connected with a rotating shaft 16, the right end of the rotating shaft 16 penetrates through the right assembling block 14 and is fixedly connected with a rotating disc 17, the rotating shaft 16 is divided into a left-handed thread section 18 and a right-handed thread section 19, the left-handed thread section 18 is in threaded connection with the left-handed sliding block 13, the right-handed thread section 19 is in threaded connection with the right sliding block 13, a support rod 20 is vertically assembled in the sleeve 12, the upper end of the support rod 20 penetrates through the upper end of the sleeve 12, the upper ends of the two sliding blocks 13 are respectively hinged with a connecting rod 21, and the upper ends of the two connecting rods 21 respectively penetrate through the sliding grooves 15 and are hinged with the lower end of the support rod 20;

even piece 22 is installed to 20 upside front ends of bracing piece, even piece 22 front ends are installed and are bar frame 23, the equal threaded connection in bar frame 23 front end left and right sides has a threaded rod 24, two 24 rear ends of threaded rod all stretch into bar frame 23 inside and rotate fixedly connected with splint 25 jointly, splint 25 and the inside size phase-match of bar frame 23, two 24 front ends of threaded rod respectively fixedly connected with rockers 26, two 26 lower extremes of rockers rotate jointly and are equipped with bull stick 27, bull stick 27 front end mid-mounting has first hand rocker 28.

When the background frame is used, the part of the background cloth needing to be clamped is held by a hand, the clamped part of the background cloth is unfolded and extends into the strip-shaped frame 23, and can also directly penetrate through the upper side of the strip-shaped frame 23, so that the background cloth display position can be conveniently adjusted, after the background cloth enters the strip-shaped frame 23, another worker can hold the first rocking bar 28 by the hand and drive the first rocking bar 28 to do circular motion, when the first rocking bar 28 does the circular motion, the first rocking bar 28 can drive the rotating bar 27 to do the circular motion, when the rotating bar 27 rotates, the lower ends of the two rocking bars 26 can be simultaneously driven to rotate along with the circular motion of the rotating bar 27, the two rocking bars 26 are rotationally connected with the rotating bar 27, so that the circular motion of the rotating bar 27 can also drive the two rocking bars 26 to simultaneously rotate along with the circular motion of the rotating bar 27, and the rotation of the two rocking bars 26 can simultaneously drive the two threaded rods 24 to rotate, because the two threaded rods 24 are in threaded connection with the left side and the right side of the strip-shaped frame 23, when the threaded rods 14 rotate, the threaded rods 14 can move back and forth, when the two threaded rods 24 simultaneously move backwards, the clamping plates 25 can be driven to move backwards along with the threaded rods 24 until the clamping plates 25 contact the background cloth, continuous clamping force is applied until the background cloth is clamped by the clamping plates 25, when the threaded rods 14 move forwards due to rotation, the threaded rods 14 drive the clamping plates 25 to move forwards along with the movement of the threaded rods 14 until the clamping plates 25 are loosened to be in contact with the background cloth, so that the background cloth can be loosened, and the background cloth can be taken down or replaced;

when the height of the background cloth is required to be adjusted, after the background cloth is clamped, the rotating disc 17 can be held by hands, the rotating disc 17 is rotated, the rotating shaft 16 is driven to rotate when the rotating disc 17 rotates, the rotating shaft 16 cannot move because the rotating shaft 16 is fixedly connected with the two assembling blocks 14 in a rotating mode, after the rotating shaft 16 rotates, the rotating shaft 16 is divided into a left-handed thread section 18 and a right-handed thread section 19, the left-handed thread section 18 is in threaded connection with the left-handed thread block 13, the right-handed thread section 19 is in threaded connection with the right-handed thread block 13, the two sliding blocks 13 are respectively positioned on the left side and the right side of the sleeve 12 and are symmetrically and slidably assembled at the upper end of the rectangular mounting plate 1, because the left-handed thread section 18 and the right-handed thread section 19 are opposite in rotation directions, when the rotating shaft 16 rotates, the two sliding blocks 13 are far away from each other and close to each other, and when the rotating shaft 16 rotates forwards, the two sliding blocks 13 are close to each other, so that the connecting rods 21 at the upper ends of the two sliding blocks 13 can be driven to close to each other, thereby two connecting rods 21 can become vertical state from the slope gradually, in this in-process, two connecting rods 21 upper ends can be with bracing piece 20 jack-up gradually, thereby realize the rising of bracing piece 20, thereby it rises to drive background cloth, when pivot 26 antiport, two sliders 13 keep away from each other, thereby two sliders 13 drive two connecting rods 21 respectively and keep away from each other, because two connecting rods 21 upper ends are articulated with bracing piece 20 lower extreme jointly, so when two connecting rod 21 lower extremes were kept away from each other along with slider 13, two connecting rods 21 become the tilt state by vertical state gradually, can drive bracing piece 20 decline at this in-process, thereby realize the decline of background cloth, just so can make things convenient for people to change background cloth when descending bracing piece 20, and after rising bracing piece 20, can conveniently demonstrate background cloth, such easy operation is convenient.

The outer edge of the right end of the rotary plate 17 is fixedly connected with a second hand rocker 29, so that when the rotary plate 17 is rotated again, a labor-saving lever can be formed between the rotary plate 17 and the second hand rocker 29, and a user can save more labor.

Four locking-type universal wheels 30 are uniformly arranged at the lower end of the mounting plate 1, so that the position of the rectangular mounting plate 1 can be conveniently moved through the universal wheels 30, and the universal wheels 30 can be locked by using locks of the universal wheels 30 to prevent the universal wheels 30 from sliding.

The outer surface of the first hand rocking bar 28 is provided with an anti-slip sleeve 31, so that when the hand rocking bar 28 is held by hands to rock, the anti-slip sleeve 31 can increase friction force and prevent slipping.

The foam-rubber cushion 32 is installed at the rear end of the clamping plate 25, so that after the background cloth is clamped by the clamping plate 25, the foam-rubber cushion 32 can play roles of buffering and skid resistance, can prevent hands of workers from being clamped at work, and can also increase the friction force with the background cloth.

The bracing piece 20 adopts the aluminum alloy material, because the aluminum alloy quality is light and have higher intensity to make bracing piece 20 have the light and high characteristics of intensity of quality, and then be convenient for improve bracing piece 20's life.

The foregoing embodiments are merely illustrative of the principles of the present invention and its efficacy, and are not to be construed as limiting the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a drama teaching is shot and is used background frame, includes the rectangle mounting panel, its characterized in that: the middle part of the upper end of the mounting plate is provided with a sleeve, the upper end of the mounting plate is provided with two sliding blocks in a sliding way, the two sliding blocks are respectively positioned at the left side and the right side of the sleeve, the left end and the right end of the upper side of the mounting plate are both provided with an assembling block, the left side and the right side of the sleeve are both provided with a chute matched with the slide block, the two sliding chutes respectively penetrate through the left side and the right side of the sleeve, the two assembling blocks are jointly and fixedly connected with a rotating shaft in a rotating way, the right end of the rotating shaft penetrates through the right assembling block and is fixedly connected with a turntable, the rotating shaft is divided into a left-handed thread section and a right-handed thread section, the left-handed thread section is in threaded connection with the left slide block, the right-handed thread section is in threaded connection with the right slide block, a supporting rod is assembled in the sleeve in a vertically sliding mode, the upper end of the supporting rod penetrates through the upper end of the sleeve, the upper ends of the two sliding blocks are hinged to connecting rods respectively, and the upper ends of the two connecting rods penetrate through the sliding grooves respectively and are hinged to the lower end of the supporting rod;

2. A background frame for drama education shooting according to claim 1, wherein: and the outer edge of the right end of the turntable is fixedly connected with a second hand rocker.

3. A background frame for drama education shooting according to claim 1, wherein: four universal wheels with locks are uniformly arranged at the lower end of the mounting plate.

4. A background frame for drama education shooting according to claim 1, wherein: the outer surface of the first hand rocker is provided with an anti-skidding sleeve.

5. A background frame for drama education shooting according to claim 1, wherein: the rear end of the clamping plate is provided with a spongy cushion.

6. A background frame for drama education shooting according to claim 1, wherein: the support rod is made of aluminum alloy.