CN213843786U - Indoor holographic projection display device - Google Patents

Abstract

The utility model discloses an indoor holographic projection's display device, including bearing platform, show stand, fly leaf and movable plate, the top fixedly connected with show stand of bearing platform, the top swing joint of show stand has protection machanism, protection machanism includes fly leaf, movable plate, micro motor and screw rod, the relative both ends lateral wall in show stand top articulates respectively has the fly leaf that the mirror image distributes, the fly leaf slides with the movable plate and cup joints, the inside of fly leaf is rotated and is connected with the screw rod of at least two sets of relative distributions, the accepting groove has been seted up to the bottom department placed in the middle of bearing platform, the roof fixedly connected with fixed plate of accepting groove, the bottom edge of fixed plate is fixed mounting respectively has electric telescopic handle, electric telescopic handle's flexible end mounting has the wheel that rolls. This indoor holographic projection's display device, rational in infrastructure, and effectively improved the drawback that exists among the prior art, be favorable to using widely.

Description

Indoor holographic projection display device

Technical Field

The utility model belongs to the technical field of holographic projection, concretely relates to indoor holographic projection's display device.

Background

The holographic projection technology belongs to a 3D technology, originally refers to a technology for recording and reproducing a real three-dimensional image of an object by using an interference principle, and then along with the guidance of science fiction movies and commercial propaganda, the concept of holographic projection is gradually extended to commercial activities such as stage performance, exhibition and the like. The common photographic technology can only record the intensity information (amplitude) of light, the depth information (phase) can be lost, and in the interference process of the holographic technology, the superposition of the wave crest and the wave crest can be higher, the superposition of the wave crest and the wave trough can be flattened, so that a series of irregular and light-dark stripes can be generated, and the phase information is converted into the intensity information to be recorded on the photosensitive material.

At present, most of the prior holographic projection display devices are simply composed of a display stand, and the table top of the display stand is always exposed in the air and is easy to accumulate dust, so that the photosensitive effect of photosensitive materials on the table top of the display stand is affected, and the holographic projection effect is poor, and therefore further improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an indoor holographic projection's display device 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: a display device for indoor holographic projection comprises a bearing table, a display table, a movable plate and a movable plate, wherein the top end of the bearing table is fixedly connected with the display table, a groove is formed in the top end of the display table, the top end of the display table is movably connected with a protection mechanism, the protection mechanism comprises a movable plate, a micro motor and a screw rod, the movable plate is hinged to the side wall of each of two opposite ends of the top end of the display table, the movable plate is internally provided with an accommodating space, the movable plate is in sliding sleeve joint with the movable plate, at least two groups of screw rods which are distributed oppositely are rotatably connected to the inside of the movable plate, and the screw rods are in threaded sleeve joint with the movable plate;

the bearing platform is characterized in that an accommodating groove is formed in the bottom end of the bearing platform in the middle, a fixing plate is fixedly connected to the top wall of the accommodating groove, electric telescopic rods are fixedly mounted at the bottom edge of the fixing plate respectively, and rolling wheels are fixedly mounted at the telescopic ends of the electric telescopic rods.

Preferably, the two ends of the screw rod are respectively fixedly sleeved with a first bearing and a second bearing, and the first bearing and the second bearing are respectively embedded and mounted on the side walls of the two opposite ends of the movable plate.

Preferably, one end of the screw, which is far away from the movable plate, penetrates through the side wall of the movable plate and is fixedly connected with an output shaft of the micro motor, one end of the screw, which is far away from the micro motor, is in threaded sleeve connection with the slider, the slider is embedded and installed at one end of the movable plate, and a through groove for accommodating the screw is formed in the movable plate.

Preferably, one end of one of the two moving plates, which faces the other moving plate, is fixedly connected with an insertion plate in the middle, and one end of the other moving plate, which faces the insertion plate, is provided with a clamping groove matched with the insertion plate.

Preferably, the opposite both sides wall of one end that the hinge end was kept away from to the fly leaf is fixedly connected with extension board respectively, threaded connection has fixing bolt on the extension board.

The utility model discloses a technological effect and advantage: this indoor holographic projection's display device, through fly leaf in the protection machanism, the movable plate, mutually support between micro motor and the screw rod, make micro motor's output shaft drive the screw rod and rotate, rely on the screw-thread fit of slider and screw rod, make the slider area movable plate move on the screw rod, thereby make two movable plates be close to each other or keep away from, furthermore, through inserting the cooperation between board and the draw-in groove, make two fly leaf joints, improve this protection machanism's stability, make the upper surface cover of protection machanism with the show stand, avoid the dust to fall into on the photosensitive material of show stand upper surface, in addition, be connected through the rotation of fly leaf and show stand, be convenient for expand protection machanism, make the photosensitive material of show stand upper surface expose, thereby accomplish holographic projection operation. This indoor holographic projection's display device, rational in infrastructure, and effectively improved the drawback that exists among the prior art, be favorable to using widely.

Drawings

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

FIG. 2 is a schematic view of the structure of the display stand of the present invention;

fig. 3 is a cross-sectional view of the present invention;

FIG. 4 is a schematic structural view of the present invention;

fig. 5 is a schematic diagram of the connection between the movable plate and the movable plate of the present invention.

In the figure: the device comprises a bearing table 1, a display table 2, a movable plate 3, a movable plate 4, an extension plate 5, a fixing bolt 6, a micro motor 7, a groove 8, an electric telescopic rod 9, a fixing plate 10, a containing groove 11, a rolling wheel 12, a first bearing 13, a screw rod 14, a second bearing 15, an insertion plate 16 and a clamping groove 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. 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.

The utility model provides a display device for indoor holographic projection as shown in figures 1-5, which comprises a bearing platform 1, a display platform 2, a movable plate 3 and a movable plate 4, wherein the top end of the bearing platform 1 is fixedly connected with the display platform 2, the top end of the display platform 2 is provided with a groove 8, the bottom wall of the groove 8 is provided with a photosensitive material which is matched with holographic projection operation, the top end of the display platform 2 is movably connected with a protection mechanism, the protection mechanism comprises a movable plate 3, a movable plate 4, a micro motor 7 and a screw 14, the opposite side walls at the top end of the display platform 2 are respectively hinged with the movable plate 3 with mirror image distribution, the movable plate 3 is internally provided with an accommodating space, the movable plate 3 is in sliding sleeve joint with the movable plate 4, the movable plate 3 is internally and rotatably connected with at least two groups of movable plate screws 14 which are distributed relatively, and the screws 14 are in threaded sleeve joint with the movable plate 4, track grooves matched with the micro motor 7 are respectively formed in the side wall of the display stand 2 at positions corresponding to the micro motor 7;

the bearing platform is characterized in that an accommodating groove 11 is formed in the middle of the bottom end of the bearing platform 1, a fixing plate 10 is fixedly connected to the top wall of the accommodating groove 11, electric telescopic rods 9 are fixedly mounted at the corners of the bottom end of the fixing plate 10 respectively, and rolling wheels 12 are fixedly mounted at the telescopic ends of the electric telescopic rods 9.

Specifically, the two ends of the screw 14 are respectively fixedly sleeved with a first bearing 13 and a second bearing 15, and the first bearing 13 and the second bearing 15 are respectively mounted on the side walls of the two opposite ends of the movable plate 3 in an embedded manner.

Specifically, one end of the screw 14, which is far away from the movable plate 4, penetrates through the side wall of the movable plate 3 and is fixedly connected with an output shaft of the micro motor 7, one end of the screw 14, which is far away from the micro motor 7, is in threaded sleeve connection with a slider, the slider is embedded and installed at one end of the movable plate 4, a through groove for accommodating the screw 14 is formed in the movable plate 4, and the screw 14 is driven to rotate through the output shaft of the micro motor 7.

Specifically, one moving plate 4 of the two moving plates 4 is fixedly connected with an inserting plate 16 towards one end of the other moving plate 4 in the middle, one end of the other moving plate 4 of the two moving plates 4 towards the inserting plate 16 is provided with a clamping groove 17 matched with the inserting plate 16, and the two moving plates 4 are clamped through mutual matching between the inserting plate 16 and the clamping groove 17, so that the stability of the protection mechanism is improved.

Specifically, the relative both sides wall in one end that articulated end was kept away from to fly leaf 3 is fixedly connected with extension board 5 respectively, threaded connection has fixing bolt 6 on the extension board 5, and it is fixed to accept 4 butts of moving plate that advance the inside fly leaf 3 through fixing bolt 6, avoids 4 slippage of moving plate.

The working principle is as follows: when the indoor holographic projection display device is used, the micro motor 7 is started, an output shaft of the micro motor 7 drives the screw rod 14 to rotate, the moving plate 4 is driven by the sliding block to move on the screw rod 14 by means of the threaded matching of the sliding block and the screw rod 14, so that the two moving plates 4 are far away from each other until the moving plate 4 is accommodated in the moving plate 3, then the moving plate 3 is turned over, the table board of the display table 2 is completely exposed, the photosensitive material on the upper surface of the display table 2 is matched with the holographic projection technology, holographic projection operation is convenient to complete, further, the fixing bolt 6 on the extension plate 5 is screwed down, the moving plate 4 is abutted and fixed by the fixing bolt 6, the moving plate 4 is prevented from slipping, when the display device is not used, the micro motor 7 is started again, the micro motor 7 drives the two moving plates 4 to be close to each other, and through the matching between the insertion plate 16 and the clamping groove 17, make two movable plates 4 joints, improve this protection machanism's stability, make protection machanism with the surface covering of show stand 2, avoid the dust to fall into on the photosensitive material of show stand 2 upper surface, in addition, start electric telescopic handle 9 with bearing platform 1 jack-up, make this display device of being convenient for remove by rolling wheel 12. This indoor holographic projection's display device, rational in infrastructure, and effectively improved the drawback that exists among the prior art, be favorable to using widely.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (5)

1. The utility model provides an indoor holographic projection's display device, includes bearing platform (1), show stand (2), fly leaf (3) and movable plate (4), its characterized in that: the top end of the bearing table (1) is fixedly connected with a display table (2), the top end of the display table (2) is provided with a groove (8), the top end of the display table (2) is movably connected with a protection mechanism, the protection mechanism comprises a movable plate (3), a movable plate (4), a micro motor (7) and a screw rod (14), the movable plates (3) distributed in a mirror image mode are respectively hinged to the side walls of two opposite ends of the top end of the display table (2), an accommodating space is formed in the movable plate (3), the movable plate (3) is in sliding sleeve joint with the movable plate (4), at least two groups of screw rods (14) distributed oppositely are rotatably connected to the inside of the movable plate (3), and the screw rods (14) are in threaded sleeve joint with the movable plate (4);

bearing platform (1) bottom department placed in the middle has seted up accepting groove (11), roof fixedly connected with fixed plate (10) of accepting groove (11), the bottom edge of fixed plate (10) respectively fixed mounting have electric telescopic handle (9), the flexible fixed mounting of electric telescopic handle (9) has rolling wheel (12).

2. A display device for indoor holographic projection according to claim 1, wherein: and two ends of the screw (14) are respectively and fixedly sleeved with a first bearing (13) and a second bearing (15), and the first bearing (13) and the second bearing (15) are respectively embedded and installed on the side walls of the two opposite ends of the movable plate (3).

3. A display device for indoor holographic projection according to claim 1, wherein: one end, far away from the moving plate (4), of the screw (14) penetrates through the side wall of the moving plate (3) and an output shaft of the micro motor (7) to be fixedly connected, one end, far away from the micro motor (7), of the screw (14) is in threaded sleeve connection with the sliding block, the sliding block is installed at one end of the moving plate (4) in an embedded mode, and a through groove for accommodating the screw (14) is formed in the moving plate (4).

4. A display device for indoor holographic projection according to claim 1, wherein: one end, facing to the other moving plate (4), of one of the two moving plates (4) is fixedly connected with an inserting plate (16) in the middle, and one end, facing to the inserting plate (16), of the other moving plate (4) in the two moving plates (4) is provided with a clamping groove (17) matched with the inserting plate (16).

5. A display device for indoor holographic projection according to claim 1, wherein: the opposite both sides wall of one end relative that articulated end was kept away from in fly leaf (3) is fixedly connected with extension board (5) respectively, threaded connection has fixing bolt (6) on extension board (5).

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