Holographic projection box for virtual image display

Abstract

The utility model discloses a holographic projection box for virtual image display, which comprises a placing frame, a protective frame is slidably connected in the placing frame, second sliding blocks are symmetrically and slidably connected in the protective frame, clamping blocks are symmetrically and fixedly connected to one sides of the second sliding blocks, clamping grooves matched with the clamping blocks for use are formed in the placing frame at equal intervals, and the clamping blocks are fixedly connected with the clamping grooves. The device has the advantages that the transmission lead screw can be rotated to drive the rack to move through the moving block, the rack and the transmission gear are used in cooperation, the rotating rod drives the rotating disc to rotate, the rotating disc is driven to rotate through the rotating rod, and the clamping plates are symmetrically connected to the top of the rotating disc in a sliding mode. And after the holographic projection device is installed, rotary display can be carried out, a good display effect is achieved, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of holographic projection, in particular to a holographic projection box for displaying virtual images. Background Art

[0002] Holographic projection is a method of using the interference and diffraction principle of light to record the specific light waves emitted by an object in the form of interference fringes, and then use diffraction to form a three-dimensional image of the original object. Holographic projection has become one of the most fashionable product display methods and marketing methods. The existing utility model patent with application number: CN202020541091.0 proposes a portable holographic projector for displaying cartoon characters, including an upper top plate, a vertical support plate, a holographic projector, a glass curtain plate, a support bottom plate, three guard plate shafts and three protective plates. The portable holographic projector for displaying cartoon characters can perform structural transformation between a portable state and a display state, which can protect the internal holographic projector and the glass curtain plate when carrying it out, and can use the edge support strips on the lower side as the supporting feet of the portable holographic projector in the display state, and use the three protective plates as the supporting legs of the portable holographic projector, which is flexible and convenient to use. In the above-mentioned patent, there is no rotating structure on the supporting base plate inside the device. After the holographic projection device is installed on the supporting base plate, it cannot be rotated for display, and cannot achieve a good display effect, which reduces the practicality of the device. Therefore, a holographic projection box for virtual image display is provided to solve the above-mentioned problem. Utility Model Content

[0003] The purpose of the utility model is to provide a holographic projection box for displaying virtual images, so as to solve the problem that there is no rotating structure on the supporting base plate inside the device proposed in the above background technology, and the holographic projection device cannot be rotated for display after being installed on the supporting base plate, and cannot achieve a good display effect, which reduces the practicability of the device.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] The utility model provides a holographic projection box for displaying virtual images, comprising a placement frame, wherein the placement frame is slidably connected to a protection frame inside, the protection frame is symmetrically slidably connected to a second sliding block inside, one side of the second sliding block is symmetrically fixedly connected to a card block, the placement frame is equidistantly provided with card slots used in conjunction with the card block inside, the placement frame is rotatably connected to a rotating rod inside, the top of the rotating rod is fixedly connected to a rotating disk, and the top of the rotating disk is symmetrically slidably connected to a clamping plate.

[0006] The holographic projection device is placed between the two clamping plates, and the bidirectional lead screw is rotated to drive the clamping plate to move toward the holographic projection device through the first slider, and the holographic projection device is clamped and fixed by the clamping plate to increase the stability of the holographic projection device during use. The user rotates the rotating shaft, and the rotating shaft drives the second bevel gear to rotate, and the transmission lead screw is driven to rotate under the cooperation of the second bevel gear and the first bevel gear, and the transmission lead screw drives the rack to move through the moving block, and the turntable is driven to rotate through the rotating rod under the cooperation of the rack and the transmission gear, so that the rotating display can be performed, which has a better display effect. If it is necessary to carry it out, the user pushes the push rod, and the push rod pushes the second slider to squeeze the telescopic spring, so that the second slider drives the card block to disengage from the inside of the card slot, and the sliding protection frame can protect the holographic projection device to prevent the holographic projection device from colliding when carrying it out, thereby improving the practicality of the device.

[0007] As a preferred solution of the utility model, the placement frame is internally rotatably connected with a transmission screw, the outer side of the transmission screw is threadedly connected with a moving block, the outer side of the moving block is fixedly connected with a rack, the outer side of the rotating rod is fixedly connected with a transmission gear, and the transmission gear is meshingly connected with the rack.

[0008] The transmission screw drives the rack to move through the moving block, and the turntable is driven to rotate through the rotating rod under the cooperation of the rack and the transmission gear, which can be rotated for display and has a better display effect.

[0009] As a preferred solution of the utility model, the placement frame is rotatably connected to a rotating shaft inside, a second bevel gear is fixedly connected to the bottom of the rotating shaft, a first bevel gear is fixedly connected to the outside of the transmission screw, and the first bevel gear is meshingly connected to the second bevel gear.

[0010] The user rotates the rotating shaft, and the rotating shaft drives the second bevel gear to rotate, and the second bevel gear and the first bevel gear cooperate to drive the transmission screw to rotate.

[0011] As a preferred solution of the utility model, the turntable is internally rotatably connected with a bidirectional screw rod, the outer side of the bidirectional screw rod is symmetrically threadedly connected with a first slider, and the first slider is fixedly connected to the clamping plate.

[0012] The bidirectional screw rod is rotated to drive the clamping plate to move toward the direction of the holographic projection device through the first slider, and the holographic projection device is clamped and fixed by the clamping plate, thereby increasing the stability of the holographic projection device during use.

[0013] As a preferred solution of the utility model, a fixed block is symmetrically fixedly connected inside the protective frame, a sliding rod is slidably connected inside the fixed block, the sliding rod is fixedly connected to the second slider, and a telescopic spring is sleeved on the outside of the sliding rod and located between the fixed block and the second slider.

[0014] The push rod pushes the second slider to squeeze the telescopic spring, so that the second slider drives the card block to disengage from the inside of the card slot, and the sliding protection frame can protect the holographic projection device.

[0015] As a preferred solution of the utility model, a push rod is fixedly connected to one side of the second sliding block.

[0016] The user pushes the push rod, and the push rod pushes the second sliding block to compress the telescopic spring.

[0017] As a preferred solution of the utility model, the protective frame is rotatably connected to the inside of the first protective plate and the second protective plate, the second protective plate is fixedly connected to the inside of the first magnet, and the first protective plate is fixedly connected to the inside of the second magnet used in conjunction with the first magnet.

[0018] The second protection plate and the first protection plate are rotated to make the first magnet contact with the second magnet, thereby increasing the protection of the holographic projection device.

[0019] The beneficial effect achieved by the utility model is that: through the arrangement of the transmission gear, the rack and the transmission screw, the transmission screw can be rotated to drive the rack to move through the moving block, and the turntable can be driven to rotate through the rotating rod under the coordinated use of the rack and the transmission gear. After the holographic projection device is installed, it can be rotated for display, which has a better display effect and improves the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0022] Figure 2 It is a schematic diagram of the internal three-dimensional structure of the utility model;

[0023] Figure 3 It is a three-dimensional structural schematic diagram of the rack in the utility model;

[0024] Figure 4 It is a three-dimensional structural schematic diagram of the turntable in the utility model;

[0025] Figure 5 It is a three-dimensional structural schematic diagram of the clamping block in the utility model.

[0026] In the figure: 1. placement frame; 2. first protective plate; 3. protective frame; 4. second protective plate; 5. first magnet; 6. second magnet; 7. clamping plate; 8. turntable; 9. rack; 10. bidirectional screw; 11. transmission screw; 12. first bevel gear; 13. rotating shaft; 14. second bevel gear; 15. moving block; 16. rotating rod; 17. transmission gear; 18. first slider; 19. clamping block; 20. fixed block; 21. sliding rod; 22. telescopic spring; 23. push rod; 24. second slider; 25. clamping slot. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figures 1 to 5 The utility model provides a holographic projection box for displaying a virtual image, including a placement frame 1, a protective frame 3 is slidably connected inside the placement frame 1, a second slider 24 is symmetrically slidably connected inside the protective frame 3, a card block 19 is symmetrically fixedly connected to one side of the second slider 24, card slots 25 used in conjunction with the card block 19 are equidistantly provided inside the placement frame 1, a rotating rod 16 is rotatably connected inside the placement frame 1, a rotating disk 8 is fixedly connected to the top of the rotating rod 16, and a clamping plate 7 is symmetrically slidably connected to the top of the rotating disk 8.

[0029] It can be understood that the holographic projection device is placed between the two clamping plates 7, and the bidirectional screw rod 10 is rotated to drive the clamping plate 7 to move toward the direction of the holographic projection device through the first slider 18, and the holographic projection device is clamped and fixed by the clamping plate 7 to increase the stability of the holographic projection device during use. The user rotates the rotating shaft 13, and the rotating shaft 13 drives the second bevel gear 14 to rotate, and drives the transmission screw rod 11 to rotate under the cooperation of the second bevel gear 14 and the first bevel gear 12, and the transmission screw rod 11 drives the rack 9 to move through the moving block 15, and drives the turntable 8 to rotate through the rotating rod 16 under the cooperation of the rack 9 and the transmission gear 17, so that the rotating display can be performed, which has a better display effect. If it is necessary to carry it out, the user pushes the push rod 23, and the push rod 23 pushes the second slider 24 to squeeze the telescopic spring 22, so that the second slider 24 drives the card block 19 to disengage from the inside of the card slot 25, and the sliding protection frame 3 can protect the holographic projection device to prevent it from colliding with the holographic projection device when carrying it out, thereby improving the practicality of the device.

[0030] Furthermore, the placement frame 1 is internally rotatably connected to a transmission screw 11, the outer side of the transmission screw 11 is threadedly connected to a moving block 15, the outer side of the moving block 15 is fixedly connected to a rack 9, the outer side of the rotating rod 16 is fixedly connected to a transmission gear 17, and the transmission gear 17 is meshingly connected to the rack 9.

[0031] It can be understood that the transmission screw 11 drives the rack 9 to move through the moving block 15, and the turntable 8 is driven to rotate through the rotating rod 16 under the cooperation of the rack 9 and the transmission gear 17, so that a rotating display can be performed, which has a better display effect.

[0032] Furthermore, the placement frame 1 is rotatably connected to a rotating shaft 13 inside, a second bevel gear 14 is fixedly connected to the bottom of the rotating shaft 13 , a first bevel gear 12 is fixedly connected to the outside of the transmission screw 11 , and the first bevel gear 12 is meshingly connected to the second bevel gear 14 .

[0033] It is understandable that when a user rotates the rotating shaft 13 , the rotating shaft 13 drives the second bevel gear 14 to rotate, and the second bevel gear 14 and the first bevel gear 12 cooperate to drive the transmission screw 11 to rotate.

[0034] Furthermore, a bidirectional screw rod 10 is rotatably connected inside the turntable 8 , and a first slider 18 is symmetrically threadedly connected to the outer side of the bidirectional screw rod 10 , and the first slider 18 is fixedly connected to the clamping plate 7 .

[0035] It can be understood that the bidirectional screw rod 10 is rotated to drive the clamping plate 7 to move toward the holographic projection device through the first slider 18, and the holographic projection device is clamped and fixed by the clamping plate 7, thereby increasing the stability of the holographic projection device during use.

[0036] Furthermore, a fixed block 20 is symmetrically fixedly connected inside the protective frame 3, a sliding rod 21 is slidably connected inside the fixed block 20, the sliding rod 21 is fixedly connected to the second sliding block 24, and a telescopic spring 22 is sleeved on the outside of the sliding rod 21 and located between the fixed block 20 and the second sliding block 24.

[0037] It can be understood that the push rod 23 pushes the second slider 24 to squeeze the telescopic spring 22, so that the second slider 24 drives the block 19 to disengage from the inside of the slot 25, and the sliding protection frame 3 can protect the holographic projection device.

[0038] Furthermore, a push rod 23 is fixedly connected to one side of the second sliding block 24 .

[0039] It is understandable that when a user pushes the push rod 23 , the push rod 23 pushes the second slider 24 to squeeze the telescopic spring 22 .

[0040] Furthermore, the first protective plate 2 and the second protective plate 4 are rotatably connected inside the protective frame 3 , the first magnet 5 is fixedly connected inside the second protective plate 4 , and the second magnet 6 used in conjunction with the first magnet 5 is fixedly connected inside the first protective plate 2 .

[0041] It can be understood that the second protection plate 4 and the first protection plate 2 are rotated to make the first magnet 5 contact with the second magnet 6, thereby increasing the protection of the holographic projection device.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A holographic projection box for displaying a virtual image, comprising a placement frame (1), characterized in that: The placement frame (1) is slidably connected to a protection frame (3) inside, the protection frame (3) is symmetrically slidably connected to a second slider (24) inside, one side of the second slider (24) is symmetrically fixedly connected to a clamping block (19), the placement frame (1) is equidistantly provided with clamping grooves (25) for use with the clamping block (19), the placement frame (1) is rotatably connected to a rotating rod (16) inside, the top of the rotating rod (16) is fixedly connected to a rotating disk (8), and the top of the rotating disk (8) is symmetrically slidably connected to a clamping plate (7).

2. A holographic projection box for displaying virtual images according to claim 1, characterized in that: The placement frame (1) is rotatably connected to a transmission screw (11) inside, the transmission screw (11) is threadedly connected to a moving block (15) on the outside, the moving block (15) is fixedly connected to a rack (9) on the outside, the rotating rod (16) is fixedly connected to a transmission gear (17) on the outside, and the transmission gear (17) is meshingly connected to the rack (9).

3. A holographic projection box for displaying virtual images according to claim 2, characterized in that: The placement frame (1) is rotatably connected to a rotating shaft (13) inside, the bottom of the rotating shaft (13) is fixedly connected to a second bevel gear (14), the outer side of the transmission screw rod (11) is fixedly connected to a first bevel gear (12), and the first bevel gear (12) is meshingly connected to the second bevel gear (14).

4. The holographic projection box for displaying virtual images according to claim 1, characterized in that: The rotating disk (8) is internally rotatably connected to a bidirectional screw rod (10), and the outer side of the bidirectional screw rod (10) is symmetrically threadedly connected to a first slider (18), and the first slider (18) is fixedly connected to the clamping plate (7).

5. The holographic projection box for displaying virtual images according to claim 1, characterized in that: A fixed block (20) is symmetrically fixedly connected inside the protective frame (3), a sliding rod (21) is slidably connected inside the fixed block (20), the sliding rod (21) is fixedly connected to a second sliding block (24), and a telescopic spring (22) is sleeved on the outside of the sliding rod (21) and located between the fixed block (20) and the second sliding block (24).

6. A holographic projection box for displaying virtual images according to claim 1, characterized in that: A push rod (23) is fixedly connected to one side of the second sliding block (24).

7. The holographic projection box for displaying virtual images according to claim 1, characterized in that: The protection frame (3) is rotatably connected to a first protection plate (2) and a second protection plate (4), the second protection plate (4) is fixedly connected to a first magnet (5), and the first protection plate (2) is fixedly connected to a second magnet (6) used in conjunction with the first magnet (5).

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