CN215379122U

CN215379122U - Film machinery high definition electric curtain

Info

Publication number: CN215379122U
Application number: CN202120965630.8U
Authority: CN
Inventors: 张继坤
Original assignee: Henan Huicong Intelligent Technology Co ltd
Current assignee: Henan Huicong Intelligent Technology Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-12-31
Anticipated expiration: 2031-05-08

Abstract

The utility model discloses a film machinery high-definition electric curtain, which relates to the technical field of projection equipment and comprises a curtain, a connecting block and a mounting frame, wherein the outer surface of a telescopic block is fixedly connected with a connecting rod, the inside of the connecting block is rotatably connected with a gear through a rotating shaft, the lower part of the connecting block is meshed and connected with a rack, the lower part of the rack is provided with a clamping groove matched with a fixed block, one side of the connecting block, which is close to a second magnet, is fixedly connected with a first magnet, and the other end of the telescopic rod is fixedly connected with a cleaning brush. According to the utility model, the lower end of the curtain is fixed by arranging the telescopic block, the second compression spring, the limiting block, the third compression spring, the fixing block, the extension spring, the rack, the clamping groove, the pressing rod and the gear, so that the influence of flowing air is avoided, the film watching experience of a user is ensured, and by arranging the cleaning brush, the telescopic rod and the fourth compression spring, dust can be prevented from entering the mounting frame, the trouble of later-stage cleaning is avoided, and the influence on equipment is prevented.

Description

Film machinery high definition electric curtain

Technical Field

The utility model relates to the technical field of projection equipment, in particular to a film mechanical high-definition electric curtain.

Background

The projection screen is a tool used for displaying images and video files in the occasions of movies, offices, home theaters, large-scale conferences and the like, and different space projection screens are different in selection, for example, a screen with a wide viewing angle and low gain is preferably selected in the occasions with more audience numbers or in the transverse watching occasions, a screen with a narrow viewing angle and high gain is selected in the long and narrow space watching mode, and meanwhile, a screen with proper gain is selected, so that the contrast of the screen is improved, the gray scale of the image is increased, the color is bright, and the observability of the image is improved.

At present, receive the influence of mobile air very easily after current curtain expandes, consequently the condition that can appear waving with the wind, great reduction sight shadow experience of sight shadow person, the curtain glues the ash very easily at the in-process that uses moreover, the dust gets into the casing along with the curtain during the rolling in, inconvenient clearance, and cause the influence to equipment, current curtain exists and receives the influence of mobile air very easily after the expansion and glues the ash very easily at the in-process that uses, the problem of inconvenient clearance.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a film mechanical high-definition electric curtain, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: a film machinery high-definition electric curtain comprises a curtain, a connecting block and a mounting frame, wherein a telescopic block is inserted into the upper surface of the connecting block, a second compression spring is fixedly connected to the lower surface of the telescopic block, a connecting rod is fixedly connected to the outer surface of the telescopic block, the lower end of the connecting rod is abutted against a limiting block, a fixed block is fixedly connected to the inner bottom wall of the limiting block, a third compression spring is fixedly connected to the lower end of the limiting block, a gear is rotatably connected to the inside of the connecting block through a rotating shaft, a compression rod is fixedly connected to the upper portion of the gear, a rack is meshed and connected to the lower portion of the gear, an extension spring is fixedly connected to one end of the rack, a clamping groove matched with the fixed block is formed in the lower portion of the rack, a balance weight rod is fixedly connected to the lower end of the curtain, a second magnet is fixedly connected to the lower portion of the balance weight rod, and a first magnet is fixedly connected to one side, which is close to the second magnet, of the connecting block, the lower part sliding connection of mounting bracket has the telescopic link, the one end fixedly connected with fourth compression spring of telescopic link, the other end fixedly connected with cleaning brush of telescopic link.

Optionally, the lower end of the second compression spring is fixedly connected with the connecting block, the inside of the connecting block is connected with the connecting rod in a sliding manner, and the inside of the connecting block is connected with the limiting block in a sliding manner.

Optionally, the cross-sectional shape of the limiting block is C-shaped, the cross-sectional shape of the fixing block is right-angled triangle, and the lower end of the third compression spring is fixedly connected with the connecting block.

Optionally, the depression bar divide into two sections, both ends the depression bar is the obtuse angle contained angle, one side butt of depression bar in the upper portion of counterweight rod, the inside and the rack sliding connection of connecting block, the one end and the connecting block fixed connection that extension spring kept away from the rack, the upper portion butt of first magnet in the lower part of second magnet.

Optionally, one end of the fourth compression spring, which is far away from the telescopic rod, is fixedly connected with the mounting frame, and one side of the cleaning brush, which is far away from the telescopic rod, is abutted to the outer surface of the curtain.

Optionally, the inside of mounting bracket is rotated and is connected with the rolling axle, the surface and the curtain fixed connection of rolling axle, the one end fixedly connected with servo motor of mounting bracket, servo motor's output and rolling axle fixed connection.

Advantageous effects

The utility model provides a film mechanical high-definition electric curtain, which has the following beneficial effects:

1. this electronic curtain of film machinery high definition, through setting up flexible piece, second compression spring, the stopper, third compression spring, the fixed block, extension spring, the rack, the draw-in groove, depression bar and gear, the flexible piece of back accessible pressure slip stopper gliding behind the weight bar decline on the connecting block, thereby make the fixed block break away from the draw-in groove, then extension spring can drive the depression bar through rack and gear and rotate, and compress tightly the weight bar, and then it is fixed with the lower extreme of curtain, avoid receiving the influence of mobile air, guarantee that user's sight shadow is experienced.

2. This electronic curtain of film machinery high definition through setting up cleaning brush, telescopic link and fourth compression spring, and the in-process fourth compression spring of curtain rolling can promote telescopic link and cleaning brush to the direction of curtain, makes the cleaning brush sticiss at the surface of curtain to sweep the dust on the curtain, prevent that the dust from getting into the mounting bracket in, remove the trouble of later stage clearance from, prevent to cause the influence to equipment.

Drawings

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

FIG. 2 is a side cross-sectional partial structural view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a side cross-sectional partial structural view of the present invention.

In the figure: 1. a curtain; 2. a weight lever; 3. connecting blocks; 4. a servo motor; 5. a mounting frame; 6. an extension spring; 7. a rack; 8. a second compression spring; 9. a connecting rod; 10. a telescopic block; 11. a first magnet; 12. a second magnet; 13. a pressure lever; 14. a gear; 15. a third compression spring; 16. a fixed block; 17. a card slot; 18. a winding shaft; 19. a cleaning brush; 20. a telescopic rod; 21. a fourth compression spring; 22. And a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: a film machinery high definition electric curtain comprises a curtain 1, a connecting block 3 and a mounting rack 5, wherein a telescopic block 10 is inserted on the upper surface of the connecting block 3, a second compression spring 8 is fixedly connected to the lower surface of the telescopic block 10, a connecting rod 9 is fixedly connected to the outer surface of the telescopic block 10, the lower end of the connecting rod 9 is abutted to a limiting block 22, the lower end of the second compression spring 8 is fixedly connected with the connecting block 3, the inside of the connecting block 3 is slidably connected with the connecting rod 9, the inside of the connecting block 3 is slidably connected with the limiting block 22, a fixed block 16 is fixedly connected to the inner bottom wall of the limiting block 22, a third compression spring 15 is fixedly connected to the lower end of the limiting block 22, the cross-sectional shape of the limiting block 22 is C-shaped, the cross-sectional shape of the fixed block 16 is right-angled triangle, the lower end of the third compression spring 15 is fixedly connected with the connecting block 3, a gear 14 is rotatably connected to the inside of the connecting block 3 through a rotating shaft, a compression bar 13 is fixedly connected to the upper part of a gear 14, a rack 7 is meshed and connected to the lower part of the gear 14, an extension spring 6 is fixedly connected to one end of the rack 7, a clamping groove 17 matched with a fixed block 16 is formed in the lower part of the rack 7, the compression bar 13 is divided into two sections, the compression bars 13 at two ends form an obtuse included angle, one side of the compression bar 13 abuts against the upper part of a counterweight rod 2, the inside of a connecting block 3 is connected with the rack 7 in a sliding manner, one end, far away from the rack 7, of the extension spring 6 is fixedly connected with the connecting block 3, the upper part of a first magnet 11 abuts against the lower part of a second magnet 12, the lower end of a curtain 1 is fixedly connected with the counterweight rod 2, the lower part of the counterweight rod 2 is fixedly connected with the second magnet 12, one side, near the second magnet 12, of the connecting block 3 is fixedly connected with the first magnet 11, the lower part of a mounting frame 5 is connected with a telescopic rod 20 in a sliding manner, and one end of the telescopic rod 20 is fixedly connected with a fourth compression spring 21, the other end fixedly connected with cleaning brush 19 of telescopic link 20, the one end and the mounting bracket 5 fixed connection of telescopic link 20 are kept away from to fourth compression spring 21, one side butt in curtain 1's surface of telescopic link 20 is kept away from to cleaning brush 19, the inside of mounting bracket 5 is rotated and is connected with rolling axle 18, the surface and the curtain 1 fixed connection of rolling axle 18, the one end fixedly connected with servo motor 4 of mounting bracket 5, servo motor 4's output and rolling axle 18 fixed connection.

When the curtain is used, the rack 7 can be pulled to slide rightwards by the tensile force of the extension spring 6, so that the pressing rod 13 is driven to rotate anticlockwise through the gear 14 on the upper portion of the rack 7 and is tightly pressed on one side of the counterweight rod 2, the lower end of the curtain 1 is fixed, the influence of flowing air is avoided, and the shadow watching experience of a user is guaranteed; the output end of the servo motor 4 rotates to wind the curtain 1 on the winding shaft 18 through the winding shaft 18 and pull the counterweight rod 2 to slide upwards, in the process, the counterweight rod 2 pushes the pressure rod 13 outwards and drives the gear 14 to rotate clockwise so as to drive the rack 7 to slide leftwards until one end of the rack 7 passes through the inclined surface side of the fixing block 16, then the third compression spring 15 can push the limiting block 22 to slide upwards and insert the fixing block 16 into the clamping groove 17 so as to fix the rack 7, and the second compression spring 8 can push the connecting rod 9 to extend out of the upper surface of the connecting block 3; when the weight lever 2 descends, under the action of attraction of the second magnet 12 between the first magnets 11, the weight lever 2 falls on the connecting block 3, then the limiting block 22 can be pressed by the telescopic block 10 and the connecting rod 9 to slide downwards, so that the fixing block 16 is separated from the clamping groove 17, then the tension spring 6 can drive the compression rod 13 to rotate through the rack 7 and the gear 14, and the weight lever 2 is compressed again, so that the curtain 1 is fixed; the in-process fourth compression spring 21 of curtain 1 rolling can promote telescopic link 20 and cleaning brush 19 to the direction of curtain 1, makes cleaning brush 19 sticis at the surface of curtain 1 to sweep the dust on curtain 1, prevent that the dust from getting into mounting bracket 5 in, remove the trouble of later stage clearance from, prevent to cause the influence to equipment.

In summary, according to the utility model, by arranging the telescopic block 10, the second compression spring 8, the limiting block 22, the third compression spring 15, the fixed block 16, the extension spring 6, the rack 7, the clamping groove 17, the pressing rod 13 and the gear 14, the weight rod 2 can be pressed by the telescopic block 10 to slide down after falling on the connecting block 3, so that the fixed block 16 is separated from the clamping groove 17, then the extension spring 6 can drive the pressing rod 13 to rotate through the rack 7 and the gear 14 and press the weight rod 2 tightly, thereby fixing the lower end of the curtain 1, avoiding the influence of flowing air and ensuring the viewing experience of a user, by arranging the cleaning brush 19, the telescopic rod 20 and the fourth compression spring 21, the fourth compression spring 21 can push the telescopic rod 20 and the cleaning brush 19 towards the direction of the curtain 1 during the rolling process of the curtain 1, so that the cleaning brush 19 is pressed against the outer surface of the curtain 1 and sweeps away dust on the curtain 1, prevent that the dust from getting into mounting bracket 5 in, remove the trouble of later stage clearance from, prevent to cause the influence to equipment.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides an electronic curtain of film machinery high definition, includes curtain (1), connecting block (3) and mounting bracket (5), its characterized in that: the upper surface of the connecting block (3) is spliced with a telescopic block (10), the lower surface of the telescopic block (10) is fixedly connected with a second compression spring (8), the outer surface of the telescopic block (10) is fixedly connected with a connecting rod (9), the lower end of the connecting rod (9) is abutted against a limiting block (22), the inner bottom wall of the limiting block (22) is fixedly connected with a fixed block (16), the lower end of the limiting block (22) is fixedly connected with a third compression spring (15), the inside of the connecting block (3) is rotatably connected with a gear (14) through a rotating shaft, the upper part of the gear (14) is fixedly connected with a compression rod (13), the lower part of the gear (14) is meshed with a rack (7), one end of the rack (7) is fixedly connected with an extension spring (6), and the lower part of the rack (7) is provided with a clamping groove (17) matched with the fixed block (16), the curtain comprises a curtain (1), a lower end fixedly connected with weight rod (2), a lower portion fixedly connected with second magnet (12) of weight rod (2), a connecting block (3) is close to a first magnet (11) of one side fixedly connected with of second magnet (12), a lower portion sliding connection of mounting bracket (5) is provided with a telescopic rod (20), one end fixedly connected with fourth compression spring (21) of telescopic rod (20), and the other end fixedly connected with cleaning brush (19) of telescopic rod (20).

2. The high definition electric curtain of film machinery as claimed in claim 1, wherein: the lower end of the second compression spring (8) is fixedly connected with the connecting block (3), the inside of the connecting block (3) is connected with the connecting rod (9) in a sliding mode, and the inside of the connecting block (3) is connected with the limiting block (22) in a sliding mode.

3. The high definition electric curtain of film machinery as claimed in claim 1, wherein: the cross-sectional shape of stopper (22) is C shape, the cross-sectional shape of fixed block (16) is right triangle, the lower extreme and connecting block (3) fixed connection of third compression spring (15).

4. The high definition electric curtain of film machinery as claimed in claim 1, wherein: depression bar (13) divide into two sections, both ends depression bar (13) are the obtuse angle contained angle, one side butt of depression bar (13) in the upper portion of counterweight rod (2), the inside and rack (7) sliding connection of connecting block (3), the one end and connecting block (3) fixed connection of rack (7) are kept away from in extension spring (6), the upper portion butt of first magnet (11) in the lower part of second magnet (12).

5. The high definition electric curtain of film machinery as claimed in claim 1, wherein: one end, far away from the telescopic rod (20), of the fourth compression spring (21) is fixedly connected with the mounting frame (5), and one side, far away from the telescopic rod (20), of the cleaning brush (19) abuts against the outer surface of the curtain (1).

6. The high definition electric curtain of film machinery as claimed in claim 1, wherein: the inside of mounting bracket (5) is rotated and is connected with rolling axle (18), the surface and curtain (1) fixed connection of rolling axle (18), the one end fixedly connected with servo motor (4) of mounting bracket (5), the output and the rolling axle (18) fixed connection of servo motor (4).