CN211086906U - Projection screen with novel structure - Google Patents

Abstract

The utility model discloses a novel projection curtain of structure, including buffering base, curtain box, curtain main part and reflection stratum, the inside of curtain box transversely is provided with the pivot, and the winding has the curtain main part in the pivot, the inside one side of curtain main part is provided with the base cloth layer, and one side on base cloth layer is provided with the reflection stratum, the inside of reflection stratum evenly is fixed with the arch, the inside opposite side of curtain main part is provided with the visual angle control membrane, and is provided with the substrate layer between visual angle control membrane and the reflection stratum, the curtain box is passed to the one end of curtain main part, and the one end of curtain main part runs through there is the lower link, the one end at curtain box top is fixed with the motor, telescopic bottom has all welded buffering base. The utility model discloses an install buffer base and universal wheel for the device of being convenient for removes, and the other supporting legs that is provided with of universal wheel, the device location of being convenient for is provided with damping spring in the buffer base, can play the shock attenuation shockproof effect.

Description

Projection screen with novel structure

Technical Field

The utility model relates to a projection curtain technical field specifically is a projection curtain of novel structure.

Background

The projection curtain is one of the most commonly used products in peripheral equipment of projectors, 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 with the continuous progress of digital projection technology, the application of projection technology is more and more extensive, and the projection curtain is applied to business offices, education and scientific research, even virtual display, large-scale theaters and the like.

The most simple structure of current projection curtain, the function singleness, be not convenient for remove and the location, highly also unable regulation, and need artifical manual pull-down curtain usually when putting down the curtain, waste time and energy, the dust in the sticky air can be glued to the curtain after using for a long time simultaneously, lead to throwing the picture unclear, the effect is watched in the influence, in addition, current projection curtain is printing opacity easily in the stronger environment of light, can't see the image clearly, consequently, the projection curtain of a novel structure of urgent need satisfies people's demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a projection curtain of novel structure to current projection cloth that proposes in solving above-mentioned background art needs the manual work to pull down, wastes time and energy, and the curtain is stained with the difficult cleanness of dust easily, is not convenient for shift positioning and easy non-light tight problem.

In order to achieve the above object, the utility model provides a following technical scheme: a projection screen with a novel structure comprises a buffer base, a screen box, a screen main body and a reflecting layer, wherein a rotating shaft is transversely arranged in the screen box, the screen main body is wound on the rotating shaft, a bottom cloth layer is arranged on one side in the screen main body, the reflecting layer is arranged on one side of the bottom cloth layer, bulges are uniformly fixed in the reflecting layer, a visual angle control film is arranged on the other side in the screen main body, a base material layer is arranged between the visual angle control film and the reflecting layer, one end of the screen main body penetrates through the screen box, a lower pull rod penetrates through one end of the screen main body, a motor is fixed at one end of the top of the screen box, the output end of the motor is connected with the rotating shaft through a belt pulley mechanism, fixed blocks are welded at two ends of the bottom of the screen box, a cross rod is clamped between the fixed blocks, and a brush is uniformly arranged on one side of the cross rod, which is, the bottom of fixed block all is fixed with the telescopic link, and the bottom of telescopic link all overlaps and is equipped with the sleeve, telescopic bottom all welds there is buffer base.

Preferably, damping spring is fixed in the interior of buffer base, and damping spring is equidistant to be arranged, the universal wheel is all installed in four corners of buffer base bottom.

Preferably, the telescopic rod is evenly provided with screw holes, the sleeve and the telescopic rod are connected through fixing bolts, and the telescopic rod and the sleeve form a telescopic mechanism.

Preferably, the one end that the fixed block is close to the horizontal pole all is provided with the draw-in groove, and the both ends that the horizontal pole is close to the fixed block all are provided with the fixture block, the fixture block all is connected with the draw-in groove, the horizontal pole constitutes the installation with the fixed block and dismantles the structure.

Preferably, the longitudinal section of the view angle control film is in a semicircular arc shape.

Preferably, the included angle degree between the protrusions is 65-95 degrees, and shading glue is filled at the included angle of each protrusion.

Compared with the prior art, the beneficial effects of the utility model are that: the projection curtain with the novel structure is convenient to move by installing the buffer base and the universal wheels, supporting legs are arranged beside the universal wheels, the device is convenient to position, a damping spring is arranged in the buffer base, the damping and shockproof effects can be realized, the shaking during moving and using is avoided, meanwhile, the device is convenient to rotate by installing a motor, a belt pulley mechanism, a rotating shaft and a curtain main body, the rotating shaft is driven to rotate by the rotation of the motor, so that the curtain main body is automatically put down and is easily lifted, the smoothness of the curtain can be maintained for a long time, meanwhile, the device is convenient to clean and remove dust on the surface of the curtain main body in the stretching and withdrawing processes of the curtain main body by installing a fixed block, a clamping groove, a clamping block, a transverse rod and a hairbrush, the surface dust is convenient to remove, the display effect is enhanced, and meanwhile, the device, the device is provided with the reflection stratum through the inside at the curtain main part simultaneously, evenly is provided with the arch in the reflection stratum, and bellied contained angle department all fills has shading to glue, avoids leading to the curtain printing opacity because external environment light is too strong.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is an enlarged cross-sectional view of the utility model at a in fig. 1;

FIG. 3 is a schematic side view of the sleeve according to the present invention;

fig. 4 is a schematic view of the sectional structure of the curtain main body of the present invention.

In the figure: 1. a universal wheel; 2. a buffer base; 3. a sleeve; 4. a lower pull rod; 5. a telescopic rod; 6. a rotating shaft; 7. a cross bar; 8. a brush; 9. a curtain box; 10. a motor; 11. a belt pulley mechanism; 12. a fixed block; 13. a curtain main body; 14. fixing the bolt; 15. a damping spring; 16. a card slot; 17. a clamping block; 18. a screw hole; 19. a viewing angle controlling film; 20. a substrate layer; 21. a reflective layer; 22. a protrusion; 23. a base cloth layer; 24. and (5) shading glue.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a projection screen with a novel structure comprises a buffer base 2, a screen box 9, a screen main body 13 and a reflecting layer 21, wherein a rotating shaft 6 is transversely arranged in the screen box 9, the screen main body 13 is wound on the rotating shaft 6, a bottom cloth layer 23 is arranged on one side in the screen main body 13, the reflecting layer 21 is arranged on one side of the bottom cloth layer 23, bulges 22 are uniformly fixed in the reflecting layer 21, the included angle degree between the bulges 22 is 65-95 degrees, and shading glue 24 is filled at the included angle of the bulges 22 to make the light to deviate to the normal viewing angle direction as much as possible and increase the brightness of the normal viewing angle, the shading glue 24 can prevent the screen main body 13 from transmitting light due to too strong external environment light, a viewing angle control film 19 is arranged on the other side in the screen main body 13, the longitudinal section of the viewing angle control film 19 is in a semicircular arc shape, so as to uniformly reflect a part of incident light to a large viewing angle area, a substrate layer 20 is arranged between the visual angle control film 19 and the reflecting layer 21, one end of the curtain main body 13 penetrates through the curtain box 9, a lower pull rod 4 penetrates through one end of the curtain main body 13, a motor 10 is fixed at one end of the top of the curtain box 9, the model of the motor 10 can be Y90S-2, the output end of the motor 10 is connected with the rotating shaft 6 through a belt pulley mechanism 11, fixed blocks 12 are welded at two ends of the bottom of the curtain box 9, a cross rod 7 is clamped between the fixed blocks 12, clamping grooves 16 are arranged at one ends of the fixed blocks 12 close to the cross rod 7, clamping blocks 17 are arranged at two ends of the cross rod 7 close to the fixed blocks 12, the clamping blocks 17 are connected with the clamping grooves 16, the cross rod 7 and the fixed blocks 12 form an installation and disassembly structure, the brushes 8 are conveniently disassembled, brushes 8 are uniformly arranged at one side of the cross rod 7 close to the curtain main body 13, telescopic rods 5 are fixed, evenly be provided with screw 18 on telescopic link 5, sleeve 3 all is connected through fixing bolt 14 with telescopic link 5, telescopic link 5 all constitutes telescopic machanism with sleeve 3, the adjusting device height of being convenient for, buffer base 2 has all been welded to sleeve 3's bottom, buffer base 2's inside is fixed with damping spring 15, and damping spring 15 equidistant range, universal wheel 1 is all installed to four corners of buffer base 2 bottom, the device of being convenient for removes and plays the shockproof effect of shock attenuation simultaneously.

The working principle is as follows: when the curtain is used, the device is moved to a use area through the universal wheel 1 at the bottom of the buffer base 2, one side of the universal wheel 1 is provided with a supporting leg which is convenient for positioning the device, the damping springs 15 in the buffer base 2 are uniformly and vertically arranged, so that the damping and shock-proof effects are conveniently realized in the moving and use processes of the device, the shaking is avoided, then the telescopic rod 5 is pulled out by a certain length according to the use requirement, the telescopic rod is limited and fixed through the fixing bolts 14, after the power supply is switched on, the motor 10 drives the rotating shaft 6 to rotate, the curtain main body 13 is automatically put down to a proper length and is lifted easily, the curtain smoothness can be maintained for a long time, the curtain is not required to be pulled down manually, the time and the labor are saved, the brush 8 cleans and removes dust on the surface of the curtain main body 13 in the process of putting down the curtain main body 13, the surface dust is conveniently removed, the display effect is enhanced, part of incident light is reflected to the large visual angle area, then the bulge 22 in the reflecting layer 21 adjusts the light path of the incident light, so that the light is deviated to the normal visual angle direction as much as possible, the normal visual angle brightness is increased, the included angle of the bulge 22 is filled with shading glue 24, the phenomenon that the curtain main body 13 is light-transmitting due to too strong external environment light is avoided, and the use of the device is facilitated.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a projection curtain of novel structure, includes buffer base (2), curtain box (9), curtain main part (13) and reflection stratum (21), its characterized in that: the utility model discloses a curtain, the inside of curtain box (9) transversely is provided with pivot (6), and the winding has curtain main part (13) on pivot (6), the inside one side of curtain main part (13) is provided with base cloth layer (23), and one side of base cloth layer (23) is provided with reflector layer (21), the inside of reflector layer (21) evenly is fixed with arch (22), the inside opposite side of curtain main part (13) is provided with visual angle control film (19), and is provided with between visual angle control film (19) and reflector layer (21) substrate layer (20), curtain box (9) is passed to the one end of curtain main part (13), and the one end of curtain main part (13) runs through down pull rod (4), the one end at curtain box (9) top is fixed with motor (10), and the output of motor (10) passes through belt pulley mechanism (11) and is connected with pivot (6), the both ends that curtain box (9) all welded there are fixed block (12) the bottom, and the block has horizontal pole (7) between fixed block (12), one side that horizontal pole (7) are close to curtain main part (13) evenly is provided with brush (8), the bottom of fixed block (12) all is fixed with telescopic link (5), and the bottom of telescopic link (5) all overlaps and is equipped with sleeve (3), buffering base (2) are all welded to the bottom of sleeve (3).

2. The projection screen of claim 1, wherein: damping spring (15) are fixed in the inside of buffer base (2), and damping spring (15) equidistant range, universal wheel (1) is all installed in four corners of buffer base (2) bottom.

3. The projection screen of claim 1, wherein: evenly be provided with screw (18) on telescopic link (5), sleeve (3) all are connected through fixing bolt (14) with telescopic link (5), telescopic link (5) all constitute telescopic machanism with sleeve (3).

4. The projection screen of claim 1, wherein: the one end that fixed block (12) are close to horizontal pole (7) all is provided with draw-in groove (16), and horizontal pole (7) are close to the both ends of fixed block (12) and all are provided with fixture block (17), fixture block (17) all are connected with draw-in groove (16), horizontal pole (7) constitute the installation with fixed block (12) and dismantle the structure.

5. The projection screen of claim 1, wherein: the longitudinal section of the visual angle control film (19) is in a semicircular arc shape.

6. The projection screen of claim 1, wherein: the included angle degree between the bulges (22) is 65-95 degrees, and the included angle of the bulges (22) is filled with shading glue (24).

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