CN212776600U

CN212776600U - LED holographic projection screen

Info

Publication number: CN212776600U
Application number: CN202021051273.6U
Authority: CN
Inventors: 章结伟; 王伟; 唐逸超; 李超锋
Original assignee: Zhejiang Horizon Electronic Technology Co ltd
Current assignee: Zhejiang Horizon Electronic Technology Co ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-03-23
Anticipated expiration: 2030-06-09

Abstract

The utility model discloses a holographic projection screen of LED relates to projection screen technical field. This LED holographic projection screen, comprising a base plate, the bottom surface of bottom plate rotates installs the gyro wheel, the top surface welding of bottom plate installs supporting shoe and side frame, the quantity of side frame is two, the spout has been seted up in the side frame, the inside slidable mounting of spout has the slider, the adjacent lateral wall welding of slider installs the lifter plate, the top surface of lifter plate changes and installs the pivoted support pole, pivoted support pole's top welded mounting has the butt plate, the top surface welding of butt plate installs locating lever and limiting plate, the quantity of limiting plate is two, the articulated backup pad of installing in front side surface of locating lever, one side outer wall welding of backup pad installs the separation piece. The utility model discloses can carry out the adjustment of height, angle and position by the holographic projection screen of LED, through the adjustment to the three, can guarantee that the viewer of the holographic projection screen of LED has fine viewing experience.

Description

LED holographic projection screen

Technical Field

The utility model relates to a projection screen technical field specifically is a LED holographic projection screen.

Background

The holographic projection technology belongs to a 3D technology, and originally refers to a technology for recording and reproducing a real three-dimensional image of an object by utilizing the interference and diffraction principles. With the guidance of science fiction movies and commercial publicity, the concept of holographic projection is gradually extended to commercial activities such as stage performances, exhibition and exhibition, and the LED holographic projection screen is a tool for bearing three-dimensional images.

The conventional LED holographic projection screen is simple in structure, large in size and inconvenient for workers to adjust the height, the angle and the position of the LED holographic projection screen, so that the LED holographic projection screen which is convenient for the workers to adjust the height, the angle and the position is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LED holographic projection screen to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the LED holographic projection screen comprises a bottom plate, wherein the outer surface of the bottom plate is rotatably provided with a roller, the outer surface of the top of the bottom plate is welded with a supporting block and two side frames, the side frames are provided with sliding grooves, the sliding grooves are internally and slidably provided with sliding blocks, the adjacent side walls of the sliding blocks are welded with lifting plates, the outer surface of the top of each lifting plate is rotatably provided with a rotating supporting rod, the top ends of the rotating supporting rods are welded with butt-joint plates, the positioning rods and the limiting plates are welded to the outer surfaces of the tops of the butt-joint plates, the number of the limiting plates is two, the supporting plates are hinged to the outer surfaces of the front sides of the positioning rods, the blocking blocks are welded to the outer wall of one side of each supporting plate, the LED holographic projection screen is installed on the outer surface of the top of each blocking block in an adhering mode, the outer wall of one side of each LED holographic projection screen is installed on the outer wall of one side of each supporting plate in an adhering mode, and the transverse.

Preferably, the lateral shifting guiding mechanism includes threaded rod, bracing piece, movable block, gag lever post and electric motor, and the adjacent lateral wall of two sets of limiting plates rotates respectively and welded mounting has threaded rod and gag lever post, and threaded rod and slidable mounting have the movable block simultaneously on threaded rod and the gag lever post, and one side outer wall welded mounting of limiting plate has electric motor, and electric motor's output shaft runs through the limiting plate and with threaded rod welded mounting, the top surface welded mounting and the bracing piece of movable block, the opposite side outer wall welded mounting of backup pad has supplementary piece, the free end of bracing piece and the articulated installation of front side outer surface of supplementary piece.

Preferably, the bottom surface of lifter plate welds installation and second motor, and the output shaft of second motor runs through the second motor and with rotate bracing piece welded installation, set up flutedly on the lifter plate, the inside movable mounting of recess has the ball, the ball sets up with the bottom surface laminating of butt joint board.

Preferably, one side of the side frame is rotatably provided with a rotating rod, and two ends of the rotating rod penetrate through the side frame, extend to the outside of the side frame and are welded with a wire collecting roller.

Preferably, the first motor is installed on the outer surface of the top of the supporting block in a welding mode, the output shaft of the first motor is installed on one end of the rotating rod in a welding mode, the clamping block is installed on the outer wall of one side of the side frame and the outer surface of the top of the side frame in a welding mode, and the auxiliary roller is installed on the clamping block in a rotating mode.

Preferably, the wire collecting roller is fixedly provided with a traction rope, the traction rope and the auxiliary roller are slidably mounted, a hole is formed in the side rack, and the free end of the traction rope penetrates through the hole in the side rack, extends to the inside of the sliding groove and is fixedly mounted with the sliding block.

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

the LED holographic projection screen is convenient for workers to quickly adjust the height of the LED holographic projection screen by matching the structures such as the supporting block, the first motor, the take-up roller, the rotating rod, the traction rope and the like, and can replace the problem that the height of the existing LED holographic projection screen is more complicated to adjust, in addition, the LED holographic projection screen can be quickly adjusted in position by matching the structures such as the second motor, the lifting plate, the ball and the butt plate, so that the workers who watch the LED holographic projection screen can better observe the picture displayed on the screen, and finally, the LED holographic projection screen can be quickly adjusted in angle by matching the structures such as the threaded rod, the supporting rod, the movable block, the limiting rod, the electric motor and the like, so as to adjust the optimal viewing angle, thereby facilitating the workers to watch the LED holographic projection screen by matching the structures, can bring the excellent viewing experience to the personnel who watch the LED holographic projection screen.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is an enlarged view of the part a of the present invention.

In the figure: the device comprises a supporting block 1, a first motor 2, a wire take-up roller 3, a rotating rod 4, a second motor 5, a lifting plate 6, balls 7, a transverse movement adjusting mechanism 8, a threaded rod 801, a supporting rod 802, a moving block 803, a limiting rod 804, an electric motor 805, a positioning rod 9, a blocking block 10, an LED holographic projection screen 11, a supporting plate 12, an auxiliary block 13, a limiting plate 14, a butt joint plate 15, a rotating supporting rod 16, a sliding block 17, a clamping block 18, an auxiliary roller 19, a traction rope 20, a sliding groove 21, a rack on the side 22, a bottom plate 23 and a roller 24.

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. 1-3, the present invention provides a technical solution: the LED holographic projection screen comprises a bottom plate 23, rollers 24 are rotatably mounted on the outer surface of the bottom plate 23, supporting blocks 1 and side frames 22 are welded on the outer surface of the top of the bottom plate 23, two side frames 22 are provided, sliding grooves 21 are formed in the side frames 22, sliding blocks 17 are slidably mounted in the sliding grooves 21, lifting plates 6 are welded on the adjacent side walls of the sliding blocks 17, rotating supporting rods 16 are rotatably mounted on the outer surface of the top of the lifting plates 6, butt-joint plates 15 are welded on the top ends of the rotating supporting rods 16, positioning rods 9 and limiting plates 14 are welded on the outer surfaces of the tops of the butt-joint plates 15, two limiting plates 14 are provided, supporting plates 12 are hinged on the outer surfaces of the front sides of the positioning rods 9, blocking blocks 10 are welded on the outer walls of one sides of the supporting plates 12, LED holographic projection screens 11 are mounted on the outer surfaces of the, a transverse movement adjusting mechanism 8 is arranged above the bottom plate 23, the transverse movement adjusting mechanism 8 comprises a threaded rod 801, a supporting rod 802, a moving block 803, a limiting rod 804 and an electric motor 805, adjacent side walls of two groups of limiting plates 14 are respectively provided with the threaded rod 801 and the limiting rod 804 in a rotating and welding mode, the threaded rod 801 and the limiting rod 804 are simultaneously provided with the moving block 803 in a threaded and sliding mode, the outer wall of one side of each limiting plate 14 is provided with the electric motor 805 in a welding mode, an output shaft of the electric motor 805 penetrates through the limiting plate 14 and is welded with the threaded rod 801, the outer surface of the top of the moving block 803 is provided with the supporting rod 802 in a welding mode, the outer wall of the other side of the supporting plate 12 is provided with the auxiliary block 13 in a welding mode, the free end of the supporting rod 802 is hinged with the outer surface of the front side of the auxiliary block 13, the lifting plate 6 is provided with a groove, the inside of the groove is movably provided with a ball 7, the ball 7 is attached to the outer surface of the bottom of the butt plate 15, one side of the side frame 22 is rotatably provided with a rotating rod 4, two ends of the rotating rod 4 penetrate through the side frame 22 and extend to the outside of the side frame 22 and are welded with a take-up roller 3, the outer surface of the top of the supporting block 1 is welded with a first motor 2, an output shaft of the first motor 2 is welded with one end of the rotating rod 4, the outer wall of one side and the outer surface of the top of the side frame 22 are both welded with a clamping block 18, the clamping block 18 is rotatably provided with an auxiliary roller 19, the take-up roller 3 is fixedly provided with a traction rope 20, the traction rope 20 and the auxiliary roller 19 are slidably mounted, the side frame 22 is provided with a hole, the free end of the traction rope 20 penetrates through the side, through the matching use of the supporting block 1, the first motor 2, the take-up roller 3, the rotating rod 4, the traction rope 20 and other structures, the height adjustment of the LED holographic projection screen 11 by workers is facilitated, the problem that the height adjustment of the existing LED holographic projection screen 11 is complicated is solved, in addition, through the matching use of the second motor 5, the lifting plate 6, the rolling balls 7, the butt plate 15 and other structures, the position adjustment of the LED holographic projection screen 11 can be performed rapidly, so that the workers who watch the LED holographic projection screen 11 can observe the displayed picture on the screen better, finally, through the matching use of the threaded rod 801, the supporting rod 802, the moving block 803, the limiting rod 804, the electric motor 805 and other structures, the angle adjustment of the LED holographic projection screen 11 can be performed rapidly, the best watching angle can be adjusted, the workers can watch conveniently, and through the matching use of the structures, can bring the splendid experience of watching for watching the personnel of LED holographic projection screen 11, and set up the recess on lifter plate 6, and place ball 7 in the recess just in order not to influence under the adjustment of LED holographic projection screen position, guarantee butt plate 15's equilibrium.

The working principle is as follows: start first motor 2, drive bull stick 4 and rotate, thereby make take-up drum 3 do rolling work to haulage rope 20, so alright make lifter plate 6 carry out the lifting of height, start second motor 5 after that, drive butt plate 15 and rotate, accomplish the position control work to LED holographic projection screen 11 with this, start electric motor 805 at last, the movable block 803 that drives on threaded rod 801 and the gag lever post 804 carries out lateral shifting, thereby promote bracing piece 802 and remove, and then make bracing piece 802 promote LED holographic projection screen 11 and carry out the adjustment work of angle.

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

Claims

1. An LED holographic projection screen comprising a base plate (23), characterized in that: the bottom outer surface of the bottom plate (23) is rotatably provided with rollers (24), the top outer surface of the bottom plate (23) is provided with a supporting block (1) and side frames (22) in a welded mode, the number of the side frames (22) is two, sliding grooves (21) are formed in the side frames (22), sliding blocks (17) are arranged in the sliding grooves (21) in a welded mode, adjacent side walls of the sliding blocks (17) are provided with lifting plates (6) in a welded mode, rotary supporting rods (16) are arranged on the top outer surface of the lifting plates (6) in a rotating mode, butt plates (15) are arranged on the top ends of the rotary supporting rods (16) in a welded mode, positioning rods (9) and limiting plates (14) are arranged on the top outer surface of the butt plates (15) in a welded mode, the number of the limiting plates (14) is two, a supporting plate (12) is hinged to, the outer surface of the top of the blocking block (10) is provided with an LED holographic projection screen (11) in an adhesive way, the outer wall of one side of the LED holographic projection screen (11) is provided with an outer wall of one side of the supporting plate (12) in an adhesive way, and a transverse movement adjusting mechanism (8) is arranged above the bottom plate (23).

2. The LED holographic projection screen of claim 1, wherein: the transverse movement adjusting mechanism (8) comprises a threaded rod (801), a supporting rod (802), a moving block (803), a limiting rod (804) and an electric motor (805), adjacent side walls of two groups of limiting plates (14) are respectively rotated and welded with the threaded rod (801) and the limiting rod (804), the threaded rod (801) and the limiting rod (804) are respectively threaded and slidably mounted with the moving block (803), the electric motor (805) is welded and mounted on the outer wall of one side of the limiting plate (14), an output shaft of the electric motor (805) penetrates through the limiting plate (14) and is welded and mounted with the threaded rod (801), the outer surface of the top of the moving block (803) is welded and mounted with the supporting rod (802), an auxiliary block (13) is welded and mounted on the outer wall of the other side of the supporting plate (12), and the free end of the supporting rod (802.

3. The LED holographic projection screen of claim 1, wherein: the bottom surface welding of lifter plate (6) is installed and second motor (5), and the output shaft of second motor (5) runs through second motor (5) and with rotation bracing piece (16) welding installation, set up flutedly on lifter plate (6), the inside movable mounting of recess has ball (7), and ball (7) set up with the laminating of the bottom surface of butt-joint plate (15).

4. The LED holographic projection screen of claim 1, wherein: one side of side frame (22) is rotated and is installed bull stick (4), and the both ends of bull stick (4) run through side frame (22) and extend to the outside of side frame (22) and welded mounting have receipts line cylinder (3).

5. The LED holographic projection screen of claim 1, wherein: the top surface welding of supporting shoe (1) installs first motor (2), and the output shaft of first motor (2) and the one end welding installation of bull stick (4), and the outer wall of one side of side frame (22) and top surface all welding installation have and press from both sides tight piece (18), rotate on pressing from both sides tight piece (18) and install supplementary gyro wheel (19).

6. The LED holographic projection screen of claim 4, wherein: fixed mounting has haulage rope (20) on receipts line cylinder (3), haulage rope (20) and supplementary gyro wheel (19) slidable mounting, has seted up the hole on side frame (22), and the free end of haulage rope (20) runs through the hole on side frame (22) and extends to the inside of spout (21) and with slider (17) fixed mounting.