CN213458822U

CN213458822U - Multifunctional frame of true three-dimensional light field LED display screen

Info

Publication number: CN213458822U
Application number: CN202021965814.6U
Authority: CN
Inventors: 王贺群; 张勇; 王宇超; 赵旷野; 甘春和; 陈宇
Original assignee: Changchun Cedar Electronics Technology Co Ltd
Current assignee: Changchun Cedar Electronics Technology Co Ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-06-15
Anticipated expiration: 2030-09-10

Abstract

The utility model relates to a multifunctional frame of a true three-dimensional light field LED display screen, which comprises a chassis, a front side frame and a rear side frame; the chassis is provided with a lower linear guide rail, the bottom of the front side frame is connected with the lower linear guide rail through a lower sliding block, and the top of the front side frame is connected with an upper linear sliding rail through a front sliding block; the rear side frame is fixed on the chassis, and the top of the rear side frame is connected with the upper linear slide rail; a plurality of front clamping blocks are arranged on the inner side of the front side frame to clamp and fix the holographic diffusion screen on the front side frame, and a plurality of rear clamping blocks are arranged on the inner side of the rear side frame to clamp and fix the grating on the rear side frame; the plane of the grating is parallel to the plane of the holographic diffusion screen. The utility model discloses can avoid the holographic diffusion screen of front side and the dislocation phenomenon appears in the back side grating.

Description

Multifunctional frame of true three-dimensional light field LED display screen

Technical Field

The utility model belongs to the technical field of the LED shows, a multi-functional frame of true three-dimensional light field LED display screen is related to.

Background

The true three-dimensional light field display is mainly that a grating and a holographic diffusion screen are arranged in front of an LED display screen, so that a picture played by the LED display screen is transmitted to the holographic diffusion screen through the grating, and a 3D holographic image is obtained. If the picture played by the LED display screen is imaged on the holographic diffusion screen well, the grating needs to be moved repeatedly, and the operation process is particularly complicated. Because the movement is manual operation, the smoothness after the movement twice is difficult to ensure, and the consistency of the display result is influenced.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a can guarantee holographic diffusion screen and remove the planarization to avoid holographic diffusion screen and grating to appear dislocation's multi-functional frame of true three-dimensional light field LED display screen.

In order to solve the technical problem, the utility model discloses a true three-dimensional light field LED display screen multifunctional frame includes a chassis, a front side frame, a rear side frame; the chassis is provided with a lower linear guide rail, the bottom of the front side frame is connected with the lower linear guide rail through a lower sliding block, and the top of the front side frame is connected with an upper linear sliding rail through a front sliding block; the rear side frame is fixed on the chassis, and the top of the rear side frame is connected with the upper linear slide rail; a plurality of front clamping blocks are arranged on the inner side of the front side frame to clamp and fix the holographic diffusion screen on the front side frame, and a plurality of rear clamping blocks are arranged on the inner side of the rear side frame to clamp and fix the grating on the rear side frame; the plane of the grating is parallel to the plane of the holographic diffusion screen.

The chassis is of a rectangular horizontal frame structure, and lower linear guide rails are respectively installed and fixed on the frames on the two sides of the chassis; the front side frame comprises 2 front vertical rods and 1 front cross rod which are fixedly connected together; the bottoms of the 2 front vertical rods are welded with adapter plates; the adapter plate is fixedly connected with the lower sliding block below the adapter plate; the two lower sliding blocks are respectively connected with the two lower linear guide rails.

An iron plate is welded on the inner side of the frame structure of the chassis; the iron plate is provided with a plurality of groups of mounting holes.

And rubber protective layers are adhered to the inner side surfaces of the front clamping block and the rear clamping block.

The top of the front side frame is provided with a front joint bend, one side of the front joint bend is fixedly connected with a front cross rod of the front side frame, and the other side of the front joint bend is fixedly connected with a front sliding block.

The front sliding block can be locked and fixed with the upper linear sliding rail through a jackscrew or a locking screw.

The front end of the upper linear slide rail is provided with a limiting bulge.

The rear side frame comprises 2 rear vertical rods and 1 rear cross rod; the bottom of 2 back pole settings and the both sides frame fixed connection on chassis, the both ends fixed connection of top and back horizontal pole.

The top of the rear side frame is provided with a rear switching bend, one side of the rear switching bend is fixedly connected with a rear cross rod of the rear side frame, and the other side of the rear switching bend is fixedly connected with a rear sliding block; the rear sliding block can slightly displace along the upper linear sliding rail and can be locked and fixed through a jackscrew or a locking screw.

The utility model discloses beneficial effect:

1. the whole system is divided into three large blocks, namely a chassis part, a front side frame and a rear side frame, and all connecting parts are all bolted, so that the disassembly and the assembly are convenient.

2. The whole structure utilizes the inherent characteristics of the linear guide rail, so that the phenomenon of dislocation between the front holographic diffusion screen and the rear grating can be avoided.

3. The hole pitch of the iron plates on the chassis is standard, and the iron plates can be connected and fixed with any optical platform, so that the universality is high.

4. The rubber protective layer is pasted on the surface of the clamping block for fixing the grating, so that the friction force between the clamping block and the grating can be increased, and the grating fragmentation caused by overlarge fastening force can be avoided.

Drawings

FIG. 1 is a schematic view of the general assembly of the present invention;

fig. 2 is an enlarged view of node c of the present invention;

fig. 3 is a partial enlarged view of a node a of the present invention;

fig. 4 is a partial enlarged view of a node b of the present invention;

FIG. 5 is a three-dimensional schematic view of the entire system with gratings and mounting;

in the figure: 1. the novel holographic optical fiber sensing device comprises a chassis, 11 lower linear guide rails, 12 iron plates, 2 front side frames, 21 front vertical rods, 22 front cross rods, 23 adapter plates, 24 lower sliding blocks, 25 front clamping blocks, 251 rubber protective layers, 26 front sliding blocks, 3 rear side frames, 31 rear vertical rods, 32 rear cross rods, 35 rear clamping blocks, 36 rear sliding blocks, 4 holographic diffusion screens, 5 optical gratings, 61 front connecting bent angles, 62 rear connecting bent angles, 7 upper linear slide rails and 71 limiting protrusions.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in FIG. 1, the utility model discloses a real three-dimensional light field LED display screen multifunctional frame includes chassis 1, front frame 2, back frame 3.

As shown in fig. 1 and 2, the chassis 1 is a rectangular horizontal frame structure, wherein lower linear guide rails 11 are respectively installed and fixed on frames on two sides of the chassis, an iron plate 12 is welded on the inner side of the frame structure, and a plurality of groups of installation holes are formed in the iron plate 12; the front side frame 2 comprises 2 front vertical rods 21, 1 front cross rod 22, and adapter plates 23 welded at the bottoms of the 2 front vertical rods 21; the adapter plate 23 is fixedly connected with a lower slide block 24 below the adapter plate through a hexagon socket head cap screw; the two lower sliders 24 are respectively connected with the two lower linear guide rails 11 and can slide along the lower linear guide rails 11; the rear side frame 3 includes 2 rear uprights 31 and 1 rear cross bar 32; the bottom of 2 back vertical rods 31 is fixedly connected with the frames at the two sides of the chassis 1, and the top is fixedly connected with the two ends of the back cross rod 32.

As shown in fig. 1 and 3, a plurality of front clamping blocks 25 are mounted on the inner sides of the front side frames 2 (i.e., the front uprights 21 and the front cross bar 22), and the front clamping blocks 25 are fixedly connected with the front uprights 21 and the front cross bar 22 through hexagon socket head cap screws; for clamping the holographic diffusion screen 4 to the front frame 2.

A plurality of rear clamping blocks 35 are arranged on the inner sides of the inner sides (namely the rear upright rods 31 and the rear cross rods 32) of the rear side frames 3, and the rear clamping blocks 35 are fixedly connected with the rear upright rods 31 and the rear cross rods 32 through hexagon socket head cap screws; for fastening the clamp to the rear side frame 3. The plane of the grating 5 is parallel to the plane of the holographic diffusion screen 4.

The inner side surface of the front clamping block 25 is pasted with a rubber protective layer 251, and the inner side surface of the rear clamping block 35 is also pasted with a rubber protective layer.

As shown in fig. 4, the top of the whole structure has three upper linear sliding rails 7, the top of the front frame 2 is provided with a front joint corner 61 corresponding to the positions of the three upper linear sliding rails 7, one side of the front joint corner 61 is fixedly connected with the front cross bar 22 of the front frame 2 by an inner hexagonal screw, and the other side is fixedly connected with the front sliding block 26 by an inner hexagonal screw; the front sliding block 26 is connected with the upper linear sliding rail 7, can slide along the upper linear sliding rail 7 and can be locked and fixed through a jackscrew or a locking screw; the front end of the upper linear slide rail 7 is provided with a limit bulge 71.

A rear switching corner 62 is arranged at the top of the rear side frame 3 corresponding to the positions of the three upper linear slide rails 7, one side of the rear switching corner 62 is fixedly connected with the rear cross rod 32 of the rear side frame 3 by an inner hexagonal screw, and the other side of the rear switching corner is fixedly connected with the rear sliding block 36 by an inner hexagonal screw; the rear slider 36 is connected with the upper linear slide rail 7, can slightly displace along the upper linear slide rail 7 and can be locked and fixed through a jackscrew or a locking screw.

The LED display screen is arranged behind the grating 5, the distance between the grating 5 and the holographic diffusion screen 4 is changed by moving the front side frame 2, an imaging surface with the best effect is found according to different imaging contents played by the LED display screen, and the front side frame 2 and the rear side frame 3 are fixed in position, so that a picture played by the LED display screen can be projected on the holographic diffusion screen 4 and an image with the best effect is obtained.

The utility model is not limited to the above structure, the lower linear guide rail is not limited to the installation on both sides, nor to the quantity, as long as the distance between the front frame 2 and the rear frame 3 can be adjusted and the holographic diffusion screen 4 and the grating can not be dislocated; the number of the upper linear guides is not limited to three, and may be two. It can reasonably be foreseen that the person skilled in the art can also design various simple deformation forms under the above structure, and these simple deformation structural forms should also be within the scope of protection of the present invention.

Claims

1. A multifunctional frame of a true three-dimensional light field LED display screen is characterized by comprising a chassis (1), a front side frame (2) and a rear side frame (3); a lower linear guide rail (11) is arranged on the chassis (1), the bottom of the front side frame (2) is connected with the lower linear guide rail (11) through a lower sliding block (24), and the top of the front side frame is connected with an upper linear sliding rail (7) through a front sliding block (26); the rear side frame (3) is fixed on the chassis (1), and the top of the rear side frame is connected with the upper linear slide rail (7); a plurality of front clamping blocks (25) are arranged on the inner side of the front side frame (2), the holographic diffusion screen (4) is clamped and fixed on the front side frame (2), a plurality of rear clamping blocks (35) are arranged on the inner side of the side frame (3), and the grating (5) is clamped and fixed on the rear side frame (3); the plane of the grating (5) is parallel to the plane of the holographic diffusion screen (4).

2. The multifunctional frame for the LED display screen in the true three-dimensional light field according to claim 1, wherein the chassis (1) is a rectangular horizontal frame structure, and lower linear guide rails (11) are respectively installed and fixed on the frames at two sides of the chassis; the front side frame (2) comprises 2 front vertical rods (21) and 1 front cross rod (22) which are fixedly connected together; adapter plates (23) are welded at the bottoms of the 2 front vertical rods (21); the adapter plate (23) is fixedly connected with a lower sliding block (24) below the adapter plate; the two lower sliding blocks (24) are respectively connected with the two lower linear guide rails (11).

3. The multifunctional frame for the LED display screen in the true three-dimensional light field according to claim 2 is characterized in that an iron plate (12) is welded inside the frame structure of the chassis (1); the iron plate (12) is provided with a plurality of groups of mounting holes.

4. The multifunctional frame for the true three-dimensional light field LED display screen according to claim 1, characterized in that the inner side surfaces of the front clamping block (25) and the rear clamping block (35) are adhered with rubber protective layers.

5. The multifunctional frame for an LED display screen in a true three-dimensional light field according to claim 2, wherein the front frame (2) is provided with a front connecting corner (61) at the top, one side of the front connecting corner (61) is fixedly connected to the front cross bar (22) of the front frame (2), and the other side is fixedly connected to the front sliding block (26).

6. The multifunctional frame for the true three-dimensional light field LED display screen according to claim 1, characterized in that the front slider (26) can be locked and fixed with the upper linear slide rail (7) through a jackscrew or a locking screw.

7. The multifunctional frame for the LED display screen in the true three-dimensional light field according to claim 1, wherein the front end of the upper linear slide rail (7) is provided with a limiting protrusion (71).

8. The multifunctional frame for true three-dimensional light field LED display screen according to claim 2, characterized in that the rear side frame (3) comprises 2 rear vertical rods (31) and 1 rear cross rod (32); the bottom of each rear upright rod (31) is fixedly connected with the frames on the two sides of the chassis (1), and the top of each rear upright rod is fixedly connected with the two ends of the rear cross rod (32).

9. The multifunctional frame for the LED display screen in the true three-dimensional light field according to claim 8, wherein a rear switching corner (62) is installed at the top of the rear side frame (3), one side of the rear switching corner (62) is fixedly connected with the rear cross bar (32) of the rear side frame (3), and the other side of the rear switching corner is fixedly connected with the rear slider (36); the rear sliding block (36) can slightly displace along the upper linear sliding rail (7) and can be locked and fixed through a jackscrew or a locking screw.