CN210294797U

CN210294797U - Holographic projection screen applied to 3D volume holographic image display system

Info

Publication number: CN210294797U
Application number: CN201921013688.1U
Authority: CN
Inventors: 孟凡华
Original assignee: Beijing Holographic Micro Meiyun Network Technology Co Ltd
Current assignee: Beijing Holographic Micro Meiyun Network Technology Co Ltd
Priority date: 2019-07-01
Filing date: 2019-07-01
Publication date: 2020-04-10
Anticipated expiration: 2029-07-01

Abstract

The utility model discloses a be applied to holographic projection curtain of 3D volume holographic image display system, including holographic projection curtain body, the top fixed mounting of holographic projection curtain body has first connecting plate, the top of first connecting plate is equipped with the second connecting plate of threaded fixation on the wall body, the bottom slidable mounting of second connecting plate has two rectangular blocks, the bottom fixedly connected with connecting rod of second connecting plate, the connecting rod is located between two rectangular blocks, the rectangular block is close to a plurality of springs of fixedly connected with between one side of connecting rod and the connecting rod, the bottom of connecting rod is articulated mutually with the top of first connecting plate, two first grooves have been seted up at the top of first connecting plate, first inslot movable sleeve is equipped with the carriage release lever, rotate on the bottom inner wall in first groove and install the screw rod. The utility model relates to a rationally, convenient operation is convenient for adjust the holographic projection curtain body of installation slope, and need not pull down and reinstall, and labour saving and time saving satisfies the user demand.

Description

Holographic projection screen applied to 3D volume holographic image display system

Technical Field

The utility model relates to a holographic projection curtain technical field especially relates to a be applied to 3D volume holographic image display system's holographic projection curtain.

Background

The 3D volume holographic projection technology, also called virtual imaging technology, is a technology for recording and reproducing real three-dimensional images of objects by utilizing interference and diffraction principles, the application range comprises product exhibition, automobile clothing release, stage programs, interaction, bar entertainment, place interactive projection and the like, the formed three-dimensional images are displayed on a holographic projection screen for people to watch, the existing holographic projection screen is generally fixed on a wall body through threads, when the holographic projection screen is installed, an installer is inconvenient to observe whether the holographic projection screen is inclined, and further the phenomenon that the holographic projection screen is inclined easily occurs when the holographic projection screen is installed, the installer needs to climb onto a ladder again to detach and re-install the holographic projection screen, time and labor are wasted, and the use requirements cannot be met, so that the holographic projection screen applied to the 3D volume holographic image display system is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the holographic projection curtain who is applied to 3D volume holographic image display system who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a holographic projection screen applied to a 3D volume holographic image display system comprises a holographic projection screen body, wherein a first connecting plate is fixedly installed at the top of the holographic projection screen body, a second connecting plate which is fixed on a wall body in a threaded manner is arranged above the first connecting plate, two rectangular blocks are slidably installed at the bottom of the second connecting plate, a connecting rod is fixedly connected at the bottom of the second connecting plate and is positioned between the two rectangular blocks, a plurality of springs are fixedly connected between one side, close to the connecting rod, of each rectangular block and the connecting rod, the bottom end of each connecting rod is hinged to the top of the first connecting plate, two first grooves are formed in the top of the first connecting plate, a moving rod is movably sleeved in each first groove, screw rods are rotatably installed on the inner walls of the bottoms of the first grooves, the thread directions of the two screw rods are opposite, the thread sleeves of the moving rods are sleeved on the corresponding screw rods, the top ends of the moving rods extend to the tops of the, fixed cover is equipped with first sprocket on the screw rod, same first through-hole has been seted up between the one side inner wall that two first grooves are close to each other, the mounting groove has been seted up on the top inner wall of first through-hole, thread tightening has driving motor on the top inner wall of mounting groove, driving motor's output shaft bottom extend to in the first through-hole and rotate the installation with the bottom inner wall of first through-hole, the last fixed cover of driving motor is equipped with the second sprocket, the second sprocket is not on same water flat line with two first sprockets, the transmission is connected with same chain between two first sprockets and the second sprocket.

Preferably, the bottom of the second connecting plate is welded with two sliding rails, the top of the rectangular block is provided with a first sliding groove, and the first sliding groove is connected with the corresponding sliding rail in a sliding manner.

Preferably, the balls are nested on the inner walls of the two sides of the first groove, the ball grooves are formed in the two sides of the moving rod, and the outer sides of the balls are in rolling contact with the inner walls of the corresponding ball grooves.

Preferably, the inner wall of the bottom of the first groove is welded with a first bearing, and an inner ring of the first bearing is fixedly sleeved with the outer side of the corresponding screw.

Preferably, the bottom end of the moving rod is provided with a thread groove, and the thread groove is in threaded connection with the corresponding screw rod.

Preferably, a second bearing is welded on the inner wall of the bottom of the first through hole, and an inner ring of the second bearing is fixedly sleeved with the outer side of the output shaft of the driving motor.

Compared with the prior art, the beneficial effects of the utility model are that:

by matching the holographic projection screen body, the first connecting plate, the second connecting plate, the rectangular blocks, the connecting rods, the springs, the first grooves, the screw rods, the moving rods, the balls, the ball grooves, the first chain wheels, the first through holes, the chains, the mounting grooves and the driving motors with the second chain wheels, when the holographic projection screen body inclines, the driving motors are started in a forward direction, output shafts of the driving motors drive the second chain wheels to rotate, the second chain wheels drive the two first chain wheels to rotate through the chains, the first chain wheels drive the corresponding screw rods to rotate, one screw rod of the two screw rods rotates to drive the corresponding moving rod to move downwards, the other screw rod rotates to drive the other moving rod to move upwards, one moving rod drives one rectangular block to slide on the slide rail and stretch the corresponding spring while moving, the other moving rod drives the other rectangular block to slide on the slide rail and compress the corresponding spring, the holographic projection screen body is driven by the first connecting plate to rotate a little while the two movable rods move, and the inclination of the holographic projection screen body is adjusted while the holographic projection screen body rotates a little.

The utility model relates to a rationally, convenient operation is convenient for adjust the holographic projection curtain body of installation slope, and need not pull down and reinstall, and labour saving and time saving satisfies the user demand.

Drawings

Fig. 1 is a schematic structural view of a holographic projection screen applied to a 3D volume holographic image display system according to the present invention;

fig. 2 is a schematic structural diagram of a portion a of a holographic projection screen applied to a 3D volume holographic image display system according to the present invention;

fig. 3 is a schematic structural diagram of a portion B of a holographic projection screen applied to a 3D volume holographic image display system according to the present invention;

fig. 4 is the utility model provides a be applied to two first sprocket, second sprocket and chain matched with of 3D volume holographic image display system and look down the schematic structure.

In the figure: the holographic projection screen comprises a holographic projection screen body 1, a first connecting plate 2, a second connecting plate 3, a rectangular block 4, a connecting rod 5, a spring 6, a first groove 7, a screw rod 8, a movable rod 9, a ball 10, a ball groove 11, a first chain wheel 12, a first through hole 13, a chain 14, a mounting groove 15, a driving motor 16 and a second chain wheel 17.

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.

Referring to fig. 1-4, a holographic projection screen applied to a 3D volume holographic image display system, comprising a holographic projection screen body 1, a first connecting plate 2 is fixedly installed on the top of the holographic projection screen body 1, a second connecting plate 3 screwed on a wall is installed above the first connecting plate 2, two rectangular blocks 4 are slidably installed on the bottom of the second connecting plate 3, a connecting rod 5 is fixedly connected to the bottom of the second connecting plate 3, the connecting rod 5 is located between the two rectangular blocks 4, a plurality of springs 6 are fixedly connected between one side of the rectangular block 4 close to the connecting rod 5 and the connecting rod 5, the bottom end of the connecting rod 5 is hinged to the top of the first connecting plate 2, two first grooves 7 are opened on the top of the first connecting plate 2, a moving rod 9 is movably sleeved in the first grooves 7, screw rods 8 are rotatably installed on the inner wall of the bottom of the first grooves 7, the thread directions of the two screw rods 8 are opposite, the moving rod 9 is sleeved on the corresponding screw rod 8 in a threaded manner, the top end of the moving rod 9 extends to the upper part of the first connecting plate 2 and is hinged with the bottom part of the corresponding rectangular block 4, the screw rod 8 is fixedly sleeved with a first chain wheel 12, the same first through hole 13 is arranged between the inner walls of one side, close to each other, of the two first grooves 7, a mounting groove 15 is arranged on the inner wall of the top part of the first through hole 13, a driving motor 16 is fixed on the inner wall of the top part of the mounting groove 15 in a threaded manner, the bottom end of an output shaft of the driving motor 16 extends into the first through hole 13 and is rotatably mounted with the inner wall of the bottom part of the first through hole 13, a second chain wheel 17 is fixedly sleeved on the driving motor 16, the second chain wheel 17 is not on the same horizontal line with the two first chain wheels 12, and the same chain 14 is connected between the two first chain wheels 12 and the second chain wheel 17 in a transmission manner, and the device does not need to be disassembled and re-installed, saves time and labor, and meets the use requirements.

In the utility model, two slide rails are welded at the bottom of the second connecting plate 3, a first slide groove is arranged at the top of the rectangular block 4 and is connected with the corresponding slide rail in a sliding way, balls 10 are nested on the inner walls of the two sides of the first groove 7, ball grooves 11 are arranged on the two sides of the moving rod 9, the outer sides of the balls 10 are in rolling contact with the inner walls of the corresponding ball grooves 11, a first bearing is welded on the inner wall of the bottom of the first groove 7, the inner ring of the first bearing is fixedly sleeved with the outer side of the corresponding screw rod 8, a thread groove is arranged at the bottom end of the moving rod 9 and is in threaded connection with the corresponding screw rod 8, a second bearing is welded on the inner wall of the bottom of the first through hole 13, and the inner ring of the second bearing is fixedly sleeved with the outer side of the output shaft of the driving motor 16, the utility model has reasonable design and convenient operation, and is convenient, and the device does not need to be disassembled and re-installed, saves time and labor, and meets the use requirements.

The working principle is as follows: when the holographic projection screen body 1 is found to incline after the holographic projection screen body 1 is installed, the driving motor 16 is started by the controller in the forward direction, the output shaft of the driving motor 16 drives the second chain wheel 17 to rotate, the second chain wheel 17 drives the two first chain wheels 12 to rotate through the chain 14, the first chain wheels 12 drive the corresponding screw rods 8 to rotate, under the action of the thread grooves formed at the bottom of the moving rods 9, one screw rod 8 of the two screw rods 8 rotates to drive the corresponding moving rod 9 to move downwards and the other screw rod 8 rotates to drive the other moving rod 9 to move upwards, the moving rod 9 drives the corresponding ball groove 11 to slide on the ball 10, one moving rod 9 drives one rectangular block 4 to slide on the slide rail while moving, one rectangular block 4 stretches the corresponding spring 6 while moving, simultaneously another movable rod 9 drives another rectangular block 4 and slides on the slide rail, compress corresponding spring 6 when another rectangular block 4 removes, drive first connecting plate 2 when two movable rods 9 remove and take place to change a little, first connecting plate 2 drives holographic projection curtain body 1 and takes place to change a little, its gradient has obtained the regulation when holographic projection curtain body 1 changes a little, make be convenient for adjust the holographic projection curtain body 1 of installation slope, and need not pull down and install again.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A holographic projection screen applied to a 3D volume holographic image display system comprises a holographic projection screen body (1) and is characterized in that a first connecting plate (2) is fixedly installed at the top of the holographic projection screen body (1), a second connecting plate (3) which is fixed on a wall body in a threaded manner is arranged above the first connecting plate (2), two rectangular blocks (4) are slidably installed at the bottom of the second connecting plate (3), a connecting rod (5) is fixedly connected to the bottom of the second connecting plate (3), the connecting rod (5) is located between the two rectangular blocks (4), a plurality of springs (6) are fixedly connected between one side, close to the connecting rod (5), of each rectangular block (4) and the connecting rod (5), the bottom end of each connecting rod (5) is hinged to the top of the first connecting plate (2), two first grooves (7) are formed in the top of the first connecting plate (2), a moving rod (9) is movably sleeved in the first groove (7), screw rods (8) are rotatably installed on the inner wall of the bottom of the first groove (7), the screw threads of the two screw rods (8) are opposite in turning direction, the moving rod (9) is sleeved on the corresponding screw rods (8) in a threaded manner, the top end of the moving rod (9) extends to the upper part of the first connecting plate (2) and is hinged with the bottom of the corresponding rectangular block (4), a first chain wheel (12) is fixedly sleeved on the screw rods (8), a same first through hole (13) is formed between the inner walls of one sides, close to each other, of the two first grooves (7), a mounting groove (15) is formed in the inner wall of the top of the first through hole (13), a driving motor (16) is fixed on the inner wall of the top of the mounting groove (15) in a threaded manner, the bottom end of an output shaft of the driving motor (16) extends into the first through hole (13) and, a second chain wheel (17) is fixedly sleeved on the driving motor (16), the second chain wheel (17) and the two first chain wheels (12) are not on the same horizontal line, and the two first chain wheels (12) and the second chain wheel (17) are connected with a same chain (14) in a transmission mode.

2. The holographic projection screen applied to the 3D volume holographic image display system according to claim 1, wherein two sliding rails are welded at the bottom of the second connecting plate (3), and a first sliding groove is formed at the top of the rectangular block (4) and is slidably connected with the corresponding sliding rail.

3. The holographic projection screen applied to the 3D volume holographic image display system according to claim 1, wherein balls (10) are nested on the inner walls of the two sides of the first groove (7), ball grooves (11) are formed on the two sides of the moving rod (9), and the outer sides of the balls (10) are in rolling contact with the inner walls of the corresponding ball grooves (11).

4. The holographic projection screen applied to a 3D volume holographic image display system according to claim 1, wherein the inner bottom wall of the first groove (7) is welded with a first bearing, and the inner ring of the first bearing is fixedly sleeved with the outer side of the corresponding screw rod (8).

5. The holographic projection screen applied to the 3D volume holographic image display system according to claim 1, wherein the bottom end of the moving rod (9) is provided with a threaded groove, and the threaded groove is in threaded connection with the corresponding threaded rod (8).

6. The holographic projection screen applied to the 3D volume holographic image display system according to claim 1, wherein a second bearing is welded on the bottom inner wall of the first through hole (13), and the inner ring of the second bearing is fixedly sleeved with the outer side of the output shaft of the driving motor (16).