CN218896287U

CN218896287U - Anti-light interference projection screen

Info

Publication number: CN218896287U
Application number: CN202222940621.0U
Authority: CN
Inventors: 张栋梁; 张岩; 董金建
Original assignee: Jinan Lizun Information Technology Co ltd
Current assignee: Jinan Lizun Information Technology Co ltd
Priority date: 2022-11-05
Filing date: 2022-11-05
Publication date: 2023-04-21
Anticipated expiration: 2032-11-05

Abstract

The utility model discloses an anti-light interference projection screen, which comprises a substrate and a reflecting plate, wherein the back surface of the reflecting plate is in plug-in fit with the front surface of the substrate, the right side of the substrate is fixedly connected with a protective frame, the bottom of the right side of the substrate is fixedly connected with a fixed box, the top of the fixed box is fixedly connected with the bottom of the protective frame, the right side of the bottom of the inner wall of the fixed box is fixedly connected with a transmission mechanism, and an adjusting component is arranged in the fixed box. According to the utility model, the transmission mechanism is arranged, so that the transmission mechanism drives the adjusting assembly to move, the adjusting assembly can adjust the angle of the reflecting plate, a user can conveniently adjust the angle of the reflecting plate according to actual conditions, the practicability of the reflecting plate is improved, the problem that the anti-light interference projection screen is inconvenient to adjust the angle of the reflecting plate, the effect of the reflecting plate on resisting light interference is achieved according to actual practical conditions is solved, and the problem of the practicability of the projection screen is reduced.

Description

Anti-light interference projection screen

Technical Field

The utility model relates to the technical field of projection photography, in particular to an anti-light interference projection screen.

Background

The background synthetic photography is a new technology used in wedding advertisement and photographic industry, and the principle is that a slide projection background is utilized to replace a manual painting scene, so long as various scenery slides are projected onto a high-brightness directional reflection screen through a background synthesizer, a person can stand in front of the screen to shoot a synthetic photograph of a person in the scene, the picture content is vivid and can be changed widely so as to be popular with consumers, in the shooting process, in order to ensure the definition and the gorgeous of a projection picture, illumination light of the person cannot be irradiated onto the screen so as to avoid diluting the projection picture, and therefore, how to enable the illumination light to be irradiated onto the person only but not onto the projection screen becomes a key for influencing the background synthetic photography effect.

For example, application number: CN03245297.7, an anti-light interference projection screen comprising a substrate, a forward-inclined reflecting sheet and a high-brightness reflecting material, characterized in that: the high-brightness reflecting material is adhered to the surface of the forward-inclined reflecting sheet, an included angle of 0-180 degrees is formed between the inclined surface of the forward-inclined reflecting sheet and the vertical direction of the substrate, an included angle of 0-180 degrees is formed between the left and right directions, and the forward-inclined reflecting sheet can shield the light-charging interference caused by other light rays to the projection image like a sun-proof shed during front projection, so that the projection image is clearer and brighter. The projection screen is particularly suitable for background composition photography, can overcome the defect of screen light filling, and further meets the requirement of the wedding photography and advertisement photography industry for replacing the background by using projection images.

Based on the above patent search and the device discovery in the prior art, when the device is applied, although the device can solve the problem that the light reflection is easily caused by the vertical plane, the shielding requirement on the illumination light is very strict, and the problem that the definition of the projection screen is interfered by the light filling phenomenon on the screen is not caused by the light filling phenomenon, but the angle of the reflecting sheet is inconvenient to adjust by the light interference resistant projection screen, so that the effect of the reflecting sheet on light interference resistance is achieved according to the practical condition, and the practicality of the projection screen is reduced.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model aims to provide the anti-light interference projection screen, which has the advantage of being convenient for adjusting the reflecting sheet, solves the problems that the angle of the reflecting sheet is inconvenient to adjust, the reflecting sheet achieves the anti-light interference effect according to practical conditions, and the practicality of the projection screen is reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an anti-light interference projection screen, includes base plate and reflecting plate, the front spraying of reflecting plate has high brightness reflective material, the reflecting plate is provided with a plurality of, the back of reflecting plate and the front grafting cooperation of base plate, the right side fixedly connected with protection frame of base plate, the bottom fixedly connected with fixed box on base plate right side, the top of fixed box and the bottom fixedly connected with of protection frame, the right side fixedly connected with drive mechanism of fixed incasement wall bottom, the inside of fixed box is provided with adjusting part.

Preferably, the transmission mechanism comprises a motor, wherein the output end of the motor is fixedly connected with a first gear, and the left side of the first gear is meshed with a second gear.

As the preferable one of the utility model, the adjusting component comprises a screw rod, a screw sleeve and an adjusting plate, wherein the bottom of the screw rod is fixedly connected with the top of the first gear, the screw sleeves are provided with a plurality of screw sleeves which are distributed at equal intervals, the inner wall of each screw sleeve is in threaded connection with the surface of the screw rod, the right side of the adjusting plate is fixedly connected with the top of the left side of each screw sleeve, and the adjusting plate is made of strong magnets.

As the preferable choice of the utility model, the front of the base plate is inserted with a plurality of mounting plates, the bottom of the reflecting plate is fixedly connected with the top of the mounting plate, the mounting plate is made of iron, the bottom of the surface of the reflecting plate is fixedly connected with a connecting pad, and the connecting pad is made of elastic material.

As the preferable mode of the utility model, the bottom of the second gear is movably connected with a first supporting rod, the bottom of the first supporting rod is fixedly connected with the bottom of the inner wall of the fixed box, the top of the first gear is movably connected with a second supporting rod, and the top of the second supporting rod is fixedly connected with the right side of the top of the inner wall of the fixed box.

As the preferable mode of the utility model, the right side of the inner wall of the protective frame is fixedly connected with a limiting frame, and the inner side of the limiting frame is contacted with the two sides of the adjusting plate.

As the preferable mode of the utility model, the top of the inner wall of the protective frame is fixedly connected with an angle sensor, and the detection of the angle sensor is fixedly connected with the top of the screw rod.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the transmission mechanism is arranged, so that the transmission mechanism drives the adjusting assembly to move, the adjusting assembly can adjust the angle of the reflecting plate, a user can conveniently adjust the angle of the reflecting plate according to actual conditions, the practicability of the reflecting plate is improved, the problem that the angle of the reflecting plate is inconvenient to adjust due to the fact that the anti-light interference projection screen is inconvenient to adjust, the effect of the reflecting plate on light interference resistance is achieved according to actual practical conditions is solved, the problem of practicality of the projection screen is reduced, and the advantage of convenience in adjusting the reflecting plate is provided.

2. According to the utility model, the transmission mechanism is arranged, so that the motor can drive the first gear to rotate after being started, the first gear drives the second gear meshed with the first gear to rotate, the second gear can conveniently drive the screw to rotate, the mounting plate and the connecting pad are arranged, the mounting plate can be used for mounting the reflecting plate, the adjusting plate made of strong magnet can conveniently adsorb the mounting plate made of iron, the adjusting plate can conveniently drive the mounting plate to move, and meanwhile, the connecting pad made of elastic material can conveniently move the reflecting plate.

3. According to the utility model, when the screw rod rotates, the screw rod drives the screw sleeve to move upwards, the screw sleeve drives the adjusting plate to move to adjust the angle of the reflecting plate, meanwhile, the adjusting plate made of the strong magnet can be convenient for adsorbing the mounting plate, and the first supporting rod and the second supporting rod can respectively limit the second gear and the first gear through arranging the first supporting rod and the second supporting rod, so that the first gear can be convenient for driving the second gear to rotate.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of a front view structure of the present utility model;

FIG. 3 is a schematic view of a right-side view of a partial cross-sectional structure of the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.

In the figure: 1. a substrate; 2. a reflection plate; 3. a protective frame; 4. a fixed box; 5. a transmission mechanism; 51. a motor; 52. a first gear; 53. a second gear; 6. an adjustment assembly; 61. a screw; 62. a screw sleeve; 63. an adjusting plate; 7. a mounting plate; 8. a connection pad; 9. a first support bar; 10. a second support bar; 11. a limiting frame; 12. an angle sensor.

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.

As shown in fig. 1 to 4, the anti-light interference projection screen provided by the utility model comprises a substrate 1 and a reflecting plate 2, wherein the front surface of the reflecting plate 2 is sprayed with a high-brightness reflecting material, a plurality of reflecting plates 2 are arranged, the back surface of the reflecting plate 2 is in plug-in fit with the front surface of the substrate 1, the right side of the substrate 1 is fixedly connected with a protective frame 3, the bottom of the right side of the substrate 1 is fixedly connected with a fixed box 4, the top of the fixed box 4 is fixedly connected with the bottom of the protective frame 3, the right side of the bottom of the inner wall of the fixed box 4 is fixedly connected with a transmission mechanism 5, and an adjusting component 6 is arranged in the fixed box 4.

Referring to fig. 4, the transmission mechanism 5 includes a motor 51, a first gear 52 is fixedly coupled to an output end of the motor 51, and a second gear 53 is engaged with a left side of the first gear 52.

As a technical optimization scheme of the utility model, by arranging the transmission mechanism 5, the motor 51 can be started to drive the first gear 52 to rotate, the first gear 52 drives the second gear 53 meshed with the first gear 52 to rotate, and the second gear 53 can conveniently drive the screw 61 to rotate.

Referring to fig. 4, the adjusting assembly 6 includes a screw 61, a screw sleeve 62 and an adjusting plate 63, the bottom of the screw 61 is fixedly connected with the top of the first gear 52, the screw sleeve 62 is provided with a plurality of screw sleeves 62, the screw sleeves 62 are equidistantly distributed, the inner wall of the screw sleeve 62 is in threaded connection with the surface of the screw 61, the right side of the adjusting plate 63 is fixedly connected with the top of the left side of the screw sleeve 62, and the adjusting plate 63 is made of strong magnets.

As a technical optimization scheme of the utility model, by arranging the adjusting component 6, when the screw 61 rotates, the screw 61 drives the screw sleeve 62 to move upwards, the screw sleeve 62 drives the adjusting plate 63 to move to adjust the angle of the reflecting plate 2, and meanwhile, the adjusting plate 63 made of strong magnets can be convenient for adsorbing the mounting plate 7.

Referring to fig. 4, the front surface of the base plate 1 is inserted with a mounting plate 7, the mounting plate 7 is provided with a plurality of mounting plates, the bottom of the reflecting plate 2 is fixedly connected with the top of the mounting plate 7, the mounting plate 7 is made of iron, the bottom of the surface of the reflecting plate 2 is fixedly connected with a connecting pad 8, and the connecting pad 8 is made of elastic materials.

As a technical optimization scheme of the utility model, the mounting plate 7 and the connecting pad 8 are arranged, so that the mounting plate 7 can be used for mounting the reflecting plate 2, the adjusting plate 63 made of strong magnet can be used for conveniently adsorbing the mounting plate 7 made of iron, the adjusting plate 63 can be conveniently used for driving the mounting plate 7 to move, and meanwhile, the connecting pad 8 made of elastic material can be conveniently used for moving the reflecting plate 2.

Referring to fig. 4, a first supporting rod 9 is movably connected to the bottom of the second gear 53, the bottom of the first supporting rod 9 is fixedly connected to the bottom of the inner wall of the fixed box 4, a second supporting rod 10 is movably connected to the top of the first gear 52, and the top of the second supporting rod 10 is fixedly connected to the right side of the top of the inner wall of the fixed box 4.

As a technical optimization scheme of the utility model, by arranging the first support rod 9 and the second support rod 10, the first support rod 9 and the second support rod 10 can limit the second gear 53 and the first gear 52 respectively, and the first gear 52 can conveniently drive the second gear 53 to rotate.

Referring to fig. 4, a limiting frame 11 is fixedly connected to the right side of the inner wall of the protection frame 3, and the inner side of the limiting frame 11 is in contact with both sides of the adjusting plate 63.

As a technical optimization scheme of the utility model, the limiting frame 11 is arranged, so that the limiting frame 11 can limit the adjusting plate 63, and the adjusting plate 63 can limit the threaded sleeve 62, so that the threaded sleeve 62 is prevented from rotating along with the screw 61.

Referring to fig. 3, an angle sensor 12 is fixedly connected to the top of the inner wall of the protection frame 3, and the detection of the angle sensor 12 is fixedly connected to the top of the screw 61.

As a technical optimization scheme of the present utility model, by providing the angle sensor 12, the rotation angle of the screw 61 can be conveniently detected, and the user can conveniently check the adjustment angle of the reflecting plate 2.

The working principle and the using flow of the utility model are as follows: when the angle sensor is used, the motor 51 is started, the motor 51 drives the first gear 52 to rotate, the second gear 53 meshed with the first gear 52 is driven when the first gear 52 rotates, the second gear 53 rotates, the screw 61 is driven to rotate when the second gear 53 rotates, the screw 61 drives the screw sleeve 62 to move upwards, the screw sleeve 62 drives the regulating plate 63 to move upwards when moving upwards, the regulating plate 63 is abutted against the mounting plate 7, the mounting plate 7 drives the reflecting plate 2 to move, the angle of the reflecting plate 2 is regulated, the motor 51 is powered off when the reflecting plate 2 is regulated to a user required angle, meanwhile, the angle sensor 12 can record the rotation angle of the screw 61, when the reflecting plate 2 is required to be reset, the motor 51 is started to overturn, the screw 61 is driven to rotate through the first gear 52 and the second gear 53, the screw 61 drives the regulating plate 63 to move downwards through the screw sleeve 62, the regulating plate 63 made of strong magnet adsorbs the mounting plate 7, the regulating plate 63 can be convenient for moving the mounting plate 7, the reflecting plate 2 is regulated, and when the angle sensor 12 detects the angle, the angle sensor 12 can regulate the angle when the reflecting plate is powered off, and the angle sensor can be regulated for the time to reach the value of the angle of the reflecting plate 51.

To sum up: this anti-light interference projection screen through setting up drive mechanism 5, can make drive mechanism 5 drive adjusting part 6 and remove, can make adjusting part 6 adjust the angle of reflecting plate 2, can convenient to use person adjust reflecting plate 2 angle according to actual conditions, has improved reflecting plate 2's practicality, has solved the angle of this kind of anti-light interference projection screen inconvenient to the reflector plate and has adjusted, leads to the reflector plate according to actual practical conditions to reach the effect of anti-light interference, has reduced the problem of projection screen practicality.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an anti-light interference projection screen, includes base plate (1) and reflecting plate (2), its characterized in that: the front spraying of reflecting plate (2) has high brightness reflective material, be provided with a plurality of reflecting plate (2), the back of reflecting plate (2) is pegged graft with the front of base plate (1) and is cooperated, the right side fixedly connected with protection frame (3) of base plate (1), the bottom fixedly connected with fixed box (4) on base plate (1) right side, the top of fixed box (4) and the bottom fixedly connected with of protection frame (3), the right side fixedly connected with drive mechanism (5) of fixed box (4) inner wall bottom, the inside of fixed box (4) is provided with adjusting part (6).

2. The light interference resistant projection screen of claim 1 wherein: the transmission mechanism (5) comprises a motor (51), a first gear (52) is fixedly connected to the output end of the motor (51), and a second gear (53) is meshed with the left side of the first gear (52).

3. The light interference resistant projection screen of claim 1 wherein: the adjusting component (6) comprises a screw (61), a screw sleeve (62) and an adjusting plate (63), wherein the bottom of the screw (61) is fixedly connected with the top of the first gear (52), the screw sleeve (62) is provided with a plurality of screw sleeves (62), the screw sleeves (62) are distributed at equal intervals, the inner wall of the screw sleeve (62) is in threaded connection with the surface of the screw (61), the right side of the adjusting plate (63) is fixedly connected with the top of the left side of the screw sleeve (62), and the adjusting plate (63) is made of strong magnets.

4. The light interference resistant projection screen of claim 1 wherein: the front of base plate (1) is pegged graft and is had mounting panel (7), mounting panel (7) are provided with a plurality of, the bottom of reflecting plate (2) and the top fixed connection of mounting panel (7), mounting panel (7) are made for iron, the bottom fixedly connected with connection pad (8) on reflecting plate (2) surface, connection pad (8) are made for elastic material.

5. The light interference resistant projection screen of claim 2 wherein: the bottom swing joint of second gear (53) has first bracing piece (9), the bottom of first bracing piece (9) is fixed with the bottom fixed connection of fixed box (4) inner wall, the top swing joint of first gear (52) has second bracing piece (10), the right side fixed connection at the top of second bracing piece (10) and fixed box (4) inner wall top.

6. The light interference resistant projection screen of claim 3 wherein: the right side of protection frame (3) inner wall fixedly connected with spacing (11), the inboard of spacing (11) contacts with the both sides of regulating plate (63).

7. The light interference resistant projection screen of claim 3 wherein: the top of the inner wall of the protection frame (3) is fixedly connected with an angle sensor (12), and the detection of the angle sensor (12) is fixedly connected with the top of the screw rod (61).