CN111736417B

CN111736417B - Special effect projection frame for projection of screen

Info

Publication number: CN111736417B
Application number: CN202010541164.0A
Authority: CN
Inventors: 林鑫
Original assignee: Shenzhen Fuyouming Information Technology Co ltd
Current assignee: SHENZHEN FUYOUMING INFORMATION TECHNOLOGY Co.,Ltd.
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-12-10
Anticipated expiration: 2040-06-15
Also published as: CN111736417A

Abstract

The invention relates to a special effect projection frame for projection of a screen, which comprises a main frame body, wherein the middle part of the main frame body is provided with a placing groove; a shAN _ SNe covering plate is arranged at the upper part of the main frame body, and a rope belt and a main sliding rod are respectively arranged at the rear side of the shAN _ SNe covering plate; a group of ring sleeves are arranged on the left side and the right side of the main sliding rod; a piece of cord fabric is arranged below each group of ring sleeves; the main frame body is provided with a row of color boxes below each curtain cloth; each row of color boxes is provided with a sliding control component which is matched with the rope belt and the ring sleeve. The curtain cloth is convenient to use, the opening and closing of the two curtain cloth can be automatically controlled on the basis of using the curtain cloth to perform dustproof protection on the screen, and the two rows of color boxes can be controlled to sequentially spray color tapes to two sides when the curtain cloth is opened, so that good visual special effect and atmosphere baking effect can be achieved when the screen is projected and finished.

Description

Special effect projection frame for projection of screen

Technical Field

The invention relates to an instrument device applied to the entertainment field, in particular to a special effect projection frame for projection of a screen.

Background

Nowadays, watching film and television works such as movie and animation on a screen becomes one of the common entertainment projects in people's life. In order to attract more audiences and increase business opportunities, special effects are usually added before showing, and the effect of certain backing up the showing atmosphere can also be achieved. However, the problem is how to increase the special effect and the novelty, thereby achieving the effect of attracting the audience.

Disclosure of Invention

The invention provides a special effect projection frame for projection of a screen, aiming at meeting the requirement of increasing the special effect in projection of the screen.

The technical problem to be solved by the invention is realized by adopting the following technical scheme:

a special effect projection frame for projection of a screen comprises a main frame body, wherein a placing groove is arranged in the middle of the main frame body; a shAN _ SNe covering plate is arranged at the upper part of the main frame body, and a rope belt and a main sliding rod are respectively arranged at the rear side of the shAN _ SNe covering plate; a group of ring sleeves are arranged on the left side and the right side of the main sliding rod; a piece of cord fabric is arranged below each group of ring sleeves; the main frame body is provided with a row of color boxes below each curtain cloth; each row of color boxes is provided with a sliding control component which is matched with the rope belt and the ring sleeve.

The main sliding rod is fixedly arranged on the main frame body; the upper part of the left side and the lower part of the right side of the rope belt are respectively connected with a left belt wheel and a right belt wheel, and the middle part of the rope belt is connected with two middle belt wheels which can drive the rope belt to turn 90 degrees; the left belt wheel and the two middle belt wheels are both connected with a belt shaft, and the right belt wheel is connected with a rocker; the belt shaft and the rocker are both mounted on the main frame body through bearings.

In each row of ring sleeves, one ring sleeve close to the axial end part of the main sliding rod is fixedly arranged on the main sliding rod, and the rest ring sleeves are horizontally and slidably arranged on the main sliding rod; in each row of ring sleeves, every two adjacent ring sleeves are connected with a pair of connecting rods in a one-to-one corresponding hinging mode; the two connecting rods of each pair are hinged and connected, and the connecting blocks fixedly connected with the corresponding curtain cloth are hinged and connected at the hinged points.

Two groups of sliding control components are arranged; each group of sliding control components consists of an upper connecting frame, a serial rod and a sliding plate which are welded into a whole; the upper connecting frames corresponding to the two groups of sliding control assemblies are respectively and correspondingly arranged at the front part and the rear part of the rope belt; in each row of ring sleeves, one ring sleeve closest to the center of the main sliding rod is connected with the corresponding upper connecting frame in a welding mode.

The upper part of each color box is provided with a U-shaped through groove; the through groove of each row of color boxes is in sliding fit with the corresponding sliding plate.

A spring and a push plate are correspondingly arranged in each color box in a fixed mode and a vertical sliding mode respectively; the spring is connected with the push plate; each color box is filled with a color ribbon in the area between the sliding plate and the push plate.

In the present invention, the springs are all in a compressed state and the placement slots are used to mount the screen for screening. The curtain cloth has good dustproof effect on the screen.

The invention has the beneficial effects that:

the curtain cloth is convenient to use, the opening and closing of the two curtain cloth can be automatically controlled on the basis of using the curtain cloth to perform dustproof protection on the screen, and the two rows of color boxes can be controlled to sequentially spray color tapes to two sides when the curtain cloth is opened, so that good visual special effect and atmosphere baking effect can be achieved when the screen is projected and finished.

Drawings

The invention is further illustrated with reference to the following figures and examples.

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

figure 2 is a perspective view of the invention with the mimosa removed;

FIG. 3 is an enlarged view of a portion of FIG. 2 at I;

FIG. 4 is a perspective view of the color box, sled, and tandem bar of the present invention;

FIG. 5 is a top view corresponding to FIG. 4;

FIG. 6 is a cross-sectional view A-A of FIG. 5;

fig. 7 is a perspective view of the color cartridge.

In the figure: 1. a main frame body; 2. a sensitive plate; 3. a main slide bar; 4. a rope belt; 5. a left pulley; 6. a middle belt wheel; 7. a right pulley; 8. a belt shaft; 9. a rocker; 10. sleeving a ring; 11. a connecting rod; 12. connecting blocks; 13. a cord fabric; 14. an upper connecting frame; 15. a tandem link; 16. color boxes; 17. a slide plate; 18. a spring; 19. pushing the plate; 20. a colored ribbon.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be described more clearly and more completely with reference to the drawings in the following embodiments, and it is understood that the described embodiments are only a part of the present invention, rather than all of the present invention, and based on the embodiments, other embodiments obtained by those skilled in the art without inventive exercise are within the protection scope of the present invention.

As shown in fig. 1 to 7, a special effect projection frame for projection of a screen comprises a main frame body 1, wherein a placing groove 1a is arranged in the middle of the main frame body 1; a shy cover 2 is arranged at the upper part of the main frame body 1, and a rope belt 4 and a main sliding rod 3 are respectively arranged at the rear side of the shy cover 2; a group of ring sleeves 10 are arranged on the left side and the right side of the main sliding rod 3; a piece of cord fabric 13 is arranged below each group of ring sleeves 10; a row of color boxes 16 are arranged below each curtain cloth 13 of the main frame body 1; each row of color boxes 16 is provided with a sliding control component which is matched with the rope belt 4 and the ring sleeve 10.

The main slide bar 3 is fixedly arranged on the main frame body 1; the upper part of the left side and the lower part of the right side of the rope belt 4 are respectively connected with a left belt wheel 5 and a right belt wheel 7, and the middle part of the rope belt 4 is connected with two middle belt wheels 6 which can drive the rope belt 4 after turning 90 degrees; the left belt wheel 5 and the two middle belt wheels 6 are both connected with a belt shaft 8, and the right belt wheel 7 is connected with a rocker 9; the belt shaft 8 and the rocker 9 are both mounted on the main frame body 1 through bearings.

In each row of ring sleeves 10, one ring sleeve 10 close to the axial end part of the main slide bar 3 is fixedly arranged on the main slide bar 3, and the rest ring sleeves 10 are horizontally and slidably arranged on the main slide bar 3; in each row of ring sleeves 10, each two adjacent ring sleeves 10 are connected with a pair of connecting rods 11 in a one-to-one corresponding hinging manner; the two connecting rods 11 of each pair are hinged and connected with a connecting block 12 fixedly connected with the corresponding curtain cloth 13 at the hinged point.

Two groups of sliding control components are arranged; each group of sliding control components consists of an upper connecting frame 14, a serial rod 15 and a sliding plate 17 which are welded into a whole; the upper connecting frames 14 corresponding to the two groups of sliding control components are respectively and correspondingly arranged at the front part and the rear part of the rope belt 4; in each row of loops 10, the loop 10 closest to the center of the main slide bar 3 is welded to the corresponding upper link 14.

The upper part of each color box 16 is provided with a U-shaped through groove 16 a; the through slots 16a of each row of color boxes 16 are slidably engaged with the corresponding slide plates 17.

A spring 18 and a push plate 19 are correspondingly arranged in each color box 16 in a fixed mode and a vertical sliding mode respectively; the spring 18 is connected with the push plate 19; each color box 16 is filled with a color ribbon 20 in the area between the slide plate 17 and the push plate 19.

In the present invention, the springs 18 are all in a compressed state, and the placement groove 1a is used for mounting the screen for projection. The curtain cloth 13 has good dustproof function to the screen.

When in use, the rope belt 4 can be controlled to transmit by manually holding the rocker 9 to rotate, namely, the two upper connecting frames 14 can slide back to back or towards each other in the left-right direction.

When the screen is ready for projection, the two upper frames 14 slide back to back, and the two rows of loops 10 slide back to back, so that each pair of connecting rods 11 rotates to close, i.e. the two curtains 13 are gradually pulled open to the left and right, and the screen is displayed. Meanwhile, the two sliding plates 17 also slide back to back, in the sliding process, the upper parts of the color boxes 16 in each row are opened one by one, and after the upper end of each color box 16 is opened, the color belts 20 in the color boxes are sprayed upwards under the elastic force of the springs 18. That is, visually, the two rows of color boxes 16 will gradually spray the color tapes 20 leftwards and rightwards along with the pulling of the two curtain fabrics 13, and have good visual effect and certain special opening effect.

When the projection of the screen is finished, the two upper connecting frames 14 slide oppositely, so that the two curtain fabrics 13 are folded left and right, the screen is shielded, and the screen closing effect is achieved.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A special effect projection frame for projection of a screen comprises a main frame body (1), wherein a placing groove (1 a) is arranged in the middle of the main frame body (1); the body frame body (1) upper portion is installed and is shielded Mimosa board (2), its characterized in that: a rope belt (4) and a main sliding rod (3) are respectively arranged at the rear side of the sensitive covering plate (2); a group of ring sleeves (10) are arranged on the left side and the right side of the main sliding rod (3); a curtain cloth (13) is arranged below each group of ring sleeves (10); a row of color boxes (16) are arranged below each curtain cloth (13) of the main frame body (1); each row of color boxes (16) is provided with a sliding control component which is matched with the rope belt (4) and the ring sleeve (10);

two groups of sliding control components are arranged; each group of sliding control components consists of an upper connecting frame (14), a serial rod (15) and a sliding plate (17) which are welded into a whole; the upper connecting frames (14) corresponding to the two groups of sliding control components are respectively and correspondingly arranged at the front part and the rear part of the rope belt (4); in each row of ring sleeves (10), one ring sleeve (10) closest to the center of the main sliding rod (3) is connected with the corresponding upper connecting frame (14) in a welding way;

the upper part of each color box (16) is provided with a U-shaped through groove (16 a); the through groove (16 a) of each row of color boxes (16) is in sliding fit with the corresponding sliding plate (17).

2. The special effects projection rack for projection screen of claim 1, wherein: the main sliding rod (3) is fixedly arranged on the main frame body (1); the upper part of the left side and the lower part of the right side of the rope belt (4) are respectively connected with a left belt wheel (5) and a right belt wheel (7), and the middle part of the rope belt (4) is connected with two middle belt wheels (6) which can drive the rope belt (4) after turning 90 degrees; the left belt wheel (5) and the two middle belt wheels (6) are both connected with a belt shaft (8), and the right belt wheel (7) is connected with a rocker (9); the belt shaft (8) and the rocker (9) are both mounted on the main frame body (1) through bearings.

3. The special effects projection rack for projection screen of claim 1, wherein: in each row of ring sleeves (10), one ring sleeve (10) close to the axial end part of the main sliding rod (3) is fixedly arranged on the main sliding rod (3), and the other ring sleeves (10) are horizontally and slidably arranged on the main sliding rod (3); in each row of ring sleeves (10), every two adjacent ring sleeves (10) are connected with a pair of connecting rods (11) in a one-to-one corresponding hinging mode; the two connecting rods (11) of each pair are hinged and connected, and the connecting blocks (12) fixedly connected with the corresponding curtain cloth (13) are hinged and connected at the hinged points.

4. The special effects projection rack for projection screen of claim 1, wherein: a spring (18) and a push plate (19) are correspondingly arranged in each color box (16) in a fixed mode and a vertical sliding mode respectively; the spring (18) is connected with the push plate (19); each color box (16) is filled with a color ribbon (20) in the area between the slide plate (17) and the push plate (19).