CN219179768U

CN219179768U - Holographic projection screen

Info

Publication number: CN219179768U
Application number: CN202223010095.4U
Authority: CN
Inventors: 何艺辰
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-12
Filing date: 2022-11-12
Publication date: 2023-06-13
Anticipated expiration: 2032-11-12

Abstract

The utility model discloses a holographic projection screen, which comprises a fixed frame, wherein a notch is arranged in the fixed frame, a screen body is fixedly arranged in the notch, holographic curtains are arranged in the screen body, outer surface layers are arranged on two sides of the outer surface of each holographic curtain, outer protective layers are arranged on the outer sides of the two outer surface layers, a containing groove is formed in the top of the inner wall of the notch, a movable frame is arranged in the containing groove, a cleaning layer is fixedly connected onto the movable frame, a groove is formed in the side edge of the inner wall of the notch, a screw is rotationally connected onto the groove, and a screw block is connected onto the screw in a threaded manner. According to the utility model, through the cooperation of the fixing frame, the holographic curtain, the outer surface layer and the outer protective layer structure, the screen is ensured to be transparent and stable, stable projection display work can be performed, meanwhile, the screen has good protective performance, is wear-resistant and scratch-resistant, and can effectively improve the structural stability and the use safety of the whole curtain.

Description

Holographic projection screen

Technical Field

The utility model relates to the technical field of screens, in particular to a holographic projection screen.

Background

The digital economy is an economic form of human being through recognition, selection, filtering, storage and use of big data (digital knowledge and information), guiding and realizing rapid optimal allocation and regeneration of resources and realizing economic development with high quality, the digital economy is a new economy and new kinetic energy, and in the popularization and use of the big data digital economy, in order to perform convenient digital information understanding work, digital information needs to be displayed, in order to ensure that displayed digital information has visual clarity or contrast, holographic projection needs to be matched to realize precise and comprehensive display work of the number, in the digital economic data projection display, holographic projection needs to be matched with a projection screen to display, the two are necessary equipment of holographic projection, and in order to ensure that holographic projection work can be performed stably, and certain requirements are placed on the stability of the holographic projection screen;

most of the existing holographic projection screens adopt a single screen mode for projection use, the stability of the structure is not high, the protection capability of the single screen structure is low, damage caused by external force effect is easy to occur during use, and meanwhile, the conventional holographic projection screens need manual cleaning operation, so that the cleaning operation is time-consuming and labor-consuming, and the use is lack of convenience.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a holographic projection screen.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a holographic projection screen, includes the mount, be provided with the notch in the mount, fixed mounting has the screen body in the notch, be provided with the holographic curtain in the screen body, the surface both sides of holographic curtain all are provided with the extexine, two the outside on extexine all is provided with outer inoxidizing coating, notch inner wall top is provided with the storage tank, be provided with the movable frame in the storage tank, fixedly connected with cleaning layer on the movable frame, notch inner wall side is provided with the recess, recess swivelling joint has the screw rod, threaded connection has the spiral shell piece on the screw rod, spiral shell piece and movable frame fixed connection, be close to the top position in the mount and be provided with inside groove one, the top of screw rod just is located inside fixedly connected with bevel gear one of inside groove one, inside groove one swivelling joint has the dwang, nested fixedly connected with bevel gear two on the dwang, bevel gear one is the meshing connection with bevel gear two, the outside of mount is provided with the motor, the output of motor and the one end fixed connection of dwang.

As a further description of the above technical solution:

the outer surface layer is made of glass, and the outer protective layer is a protective film.

As a further description of the above technical solution:

the material of clean layer is clean cotton, and clean layer and the surface of screen body are the laminating setting.

As a further description of the above technical solution:

the screw rod structures on the inner wall of the notch are two groups in total and are positioned at the corresponding positions of the two ends of the movable frame.

As a further description of the above technical solution:

the connection position of the screw rod and the inner wall of the groove and the connection position of the rotating rod and the inner wall of the inner groove are positioned and installed through bearings.

As a further description of the above technical solution:

the movable frame structure is two in number and is positioned at two sides of the screen body, and the two rotating rod structures are correspondingly arranged.

As a further description of the above technical solution:

an inner groove II is arranged in the fixing frame, two chain wheels are fixedly connected to the outer surfaces of the rotating rods in a nested mode and located in the inner groove II, the two chain wheels are connected through chain transmission, and the motor is fixedly connected with one end of one rotating rod.

The utility model has the following beneficial effects:

this holographic projection screen, through the cooperation setting of mount, holographic curtain, extexine and outer inoxidizing coating structure, guaranteed that the screen printing opacity is stable, can carry out stable projection show work, simultaneously prepare good barrier propterty, wear-resisting scratch resistance, can effectively promote the structural stability and the safety in utilization of whole curtain, through the cooperation setting of moving frame, clean layer, the screw rod, the spiral shell piece, the dwang, bevel gear, the sprocket, the chain, motor isotructure, can be convenient stable drive move the frame decline, make it can be stable drive clean layer carry out self-cleaning to the screen surface and clean the operation, guaranteed the clean degree of whole screen, need not the manual work and waste time and energy and carry out clean operation, very big promotion the clear convenience of screen.

Drawings

FIG. 1 is a schematic diagram of a holographic projection screen according to the present utility model;

FIG. 2 is a front view of a holographic projection screen according to the present utility model;

FIG. 3 is a side view of a holographic projection screen according to the present utility model;

fig. 4 is a top view of a sprocket structure of a holographic projection screen according to the present utility model.

Legend description:

1. a fixing frame; 2. a notch; 3. a screen body; 4. a holographic curtain; 5. an outer surface layer; 6. an outer protective layer; 7. a storage groove; 8. a moving rack; 9. a cleaning layer; 10. a groove; 11. a screw; 12. a screw block; 13. an inner groove I; 14. bevel gears I; 15. a rotating lever; 16. bevel gears II; 17. a motor; 18. an inner groove II; 19. a sprocket; 20. and (3) a chain.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a holographic projection screen, including mount 1, be provided with notch 2 in the mount 1, notch 2 internally mounted has screen body 3, notch 2's setting can realize also forming the effect of a frame protection to screen body 3 stable location, be provided with holographic curtain 4 in the screen body 3, the surface both sides of holographic curtain 4 all are provided with extexine 5, the outside of two extexines 5 all is provided with outer inoxidizing coating 6, holographic curtain 4 is holographic projection's screen structure, extexine 5 then can play a location guard action to the curtain, outer inoxidizing coating 6 then can play an intensive protection effect to extexine 5, notch 2 inner wall top is provided with storage tank 7, be provided with movable frame 8 in the storage tank 7, be fixedly connected with cleaning layer 9 on the movable frame 8, cleaning layer 9's setting can match movable frame 8 and carry out cleaning operation to whole screen structure, notch 2 inner wall side is provided with recess 10, the internal rotation of recess 10 is connected with screw 11, threaded connection has screw 12 on screw 11, be sliding connection between screw 12 and recess 10, screw connection 12 and recess 10 is the screen structure, external surface layer 5 then can play a location guard protection effect to the curtain, then can play one side of outer protection 6 can play one reinforcement protection effect to the extexine 5, notch 2 inner wall top is provided with the bevel gear 13, be provided with the fixed connection 13 in the fixed connection 13 of

inner groove

13, 13 and 13 rotation 13 of 13, 13 rotation 13 top

fixed connection

13, 13 rotation 13 top 13 are located at the fixed connection of inner groove, 13 rotation rod is connected with the fixed 13.

The material of extexine 5 is glass, and outer inoxidizing coating 6 is the protection film, and the extexine 5 of glass material can guarantee that whole screen can stably carry out projection work, also can play a guard effect to the curtain simultaneously, and the setting of outer inoxidizing coating 6 then attaches on glass surface, and the protection film can adopt ARM material, also possesses good protective properties when possessing good light transmissivity, wear-resisting scratch resistance to play stable guard action to whole screen.

The material of clean layer 9 is clean cotton, and the surface of clean layer 9 and screen body 3 sets up for the laminating, and the clean layer 9 cooperates the setting of removing frame 8, can be stable clean the operation to the screen surface to can guarantee the clean degree of screen.

The screw rod 11 structures of notch 2 inner wall have two sets of and are located the both ends corresponding position of moving frame 8 altogether, and the setting of two sets of screw rod 11 structures can make moving frame 8 both ends can go up and down in step, guarantees the stationarity and the stability of structural stress, corresponds two bevel gear structures on a dwang 15, corresponds two screw rod 11 structures, can be when dwang 15 rotates, drives two screw rods 11 rotation through two bevel gear structures in step, and two screw rods 11 drive screw block 12 in step to can drive moving frame 8 and go up and down in step.

The connection position of the screw 11 and the inner wall of the groove 10 and the connection position of the rotating rod 15 and the inner wall of the first inner groove 13 are positioned and installed through bearings, and the arrangement of the bearings can ensure that the screw 11 and the rotating rod 15 can stably rotate.

The movable frame 8 structure is two in total and is located the both sides position of screen body 3, the dwang 15 structure corresponds equally and is provided with two, be provided with inside groove two 18 in the mount 1, the surface of two dwang 15 just is located the equal nested fixedly connected with sprocket 19 of inside groove two 18, two sprockets 19 pass through the chain 20 transmission and connect, the one end fixed connection of motor 17 and one of them dwang 15, the setting of two sets of movable frames 8 can drive two clean layer 9 and clean the operation to the both sides of screen in step, realize convenient clear purpose, when motor 17 drives one of them dwang 15 rotation, through the cooperation of sprocket 19 and chain 20, can make two dwang 15 synchronous rotation, cooperation bevel gear structure and screw 11 structure, the movable frame 8 synchronous motion that can drive both sides carries out clean operation.

Working principle: when the holographic projection screen is used, the motor 17 is started, the motor 17 drives one of the rotating rods 15 to rotate, the two rotating rods 15 can be driven to synchronously rotate through the transmission connection of the chain wheel 19 and the chain 20, the two rotating rods 15 respectively drive a group of bevel gears II 16 to rotate, the two group of bevel gears II 16 drive a group of bevel gears I14 to rotate, thereby driving two groups of screw rods 11 to rotate, the two groups of screw rods 11 drive two groups of screw blocks 12 to move, the two groups of screw blocks 12 drive the two movable frames 8 to move, and the cleaning layer 9 is driven to automatically wipe the outer surface of the screen body 3 in the descending process of the two movable frames 8, so that quick and convenient cleaning operation is realized.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A holographic projection screen comprising a mount (1), characterized in that: the utility model discloses a bevel gear, including fixed frame (1), recess (2) are provided with notch (2), fixed mounting has screen body (3) in notch (2), be provided with holographic curtain (4) in screen body (3), the surface both sides of holographic curtain (4) all are provided with extexine (5), two the outside of extexine (5) all is provided with outer inoxidizing coating (6), notch (2) inner wall top is provided with accomodates groove (7), accomodate and be provided with in groove (7) and remove frame (8), be connected with cleaning layer (9) on removing frame (8), notch (2) inner wall side is provided with recess (10), recess (10) rotation is connected with screw rod (11), threaded connection has screw rod (12) on screw rod (11), screw rod (12) and remove frame (8) fixed connection, be close to top position in fixed frame (1) and be provided with inside groove (13), and be located inside groove (13) fixedly connected with bevel gear (14), rotation bar (13) are connected with bevel gear (16) for two bevel gears (16) are connected with one in a nested bevel gear (16), the outer side of the fixing frame (1) is provided with a motor (17), and the output end of the motor (17) is fixedly connected with one end of the rotating rod (15).

2. The holographic projection screen of claim 1, in which: the outer surface layer (5) is made of glass, and the outer protective layer (6) is a protective film.

3. The holographic projection screen of claim 1, in which: the cleaning layer (9) is made of cleaning cotton, and the cleaning layer (9) is attached to the outer surface of the screen body (3).

4. The holographic projection screen of claim 1, in which: the screw rod (11) structures on the inner wall of the notch (2) are two groups in total and are positioned at the corresponding positions of the two ends of the movable frame (8).

5. The holographic projection screen of claim 1, in which: the connection position of the screw (11) and the inner wall of the groove (10) and the connection position of the rotating rod (15) and the inner wall of the first inner groove (13) are positioned and installed through bearings.

6. The holographic projection screen of claim 1, in which: the movable frames (8) are two in number and located at two sides of the screen body (3), and the two rotating rods (15) are correspondingly arranged.

7. The holographic projection screen of claim 6, in which: an inner groove two (18) is arranged in the fixing frame (1), two rotating rods (15) are arranged on the outer surface of the inner groove two (18) and are respectively and fixedly connected with a chain wheel (19) in a nested mode, the two chain wheels (19) are in transmission connection through a chain (20), and the motor (17) is fixedly connected with one end of one rotating rod (15).