Holographic projection exhibition device

Abstract

The utility model belongs to the technical field of holographic projection, particularly relates to a holographic projection exhibition device, and aims to solve the problems that an existing single curtain exhibition structure is inconvenient to use, needs to be matched with multiple devices, is tedious in adjustment operation and the like. The outer wall of the fixing rod is sleeved with two first mounting supports and two second mounting supports, the two second mounting supports are both located between the two first mounting supports, a first projection curtain roll is wound between the two first mounting supports, a second projection curtain roll is wound between the two second mounting supports, and the first projection curtain roll and the second projection curtain roll are wound between the two second mounting supports. According to the holographic projection exhibition device, the overall structure is simple and clear, the parts are tightly connected, and operation is easy; by means of the design of the rotating assembly, the included angle of the curtain can be easily adjusted to adapt to various exhibition scenes, and adjustment is simple, convenient, fast, stable and reliable; the winding shaft, the coil spring and the limiting shaft cooperate to ensure that the curtain is folded and unfolded stably, and the exhibition experience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to holographic projection technical field especially relates to holographic projection exhibition device. BACKGROUND

[0002] Holographic projection technology as an advanced display means, because it can present three-dimensional image, brings immersive visual experience to audience, and is widely used in various exhibitions, meetings and entertainment places.

[0003] The traditional holographic projection exhibition device mostly adopts fixed single curtain structure, when the place to be displayed needs to form the projection exhibition with angle, often needs two or more equipment to cooperate, and the multiple equipment needs staff to constantly adjust the angle and position between them when mutually cooperating, and then can realize the connection and corresponding of two or more curtains, and the operation is relatively cumbersome.

[0004] In view of the above problem, the utility model file proposes holographic projection exhibition device. INVENTION CONTENT

[0005] The utility model aims at solving the single curtain exhibition structure inconvenient use, needs multiple equipment cooperation and adjusts the operation cumbersome and other shortcomings in prior art, and proposes holographic projection exhibition device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] Holographic projection exhibition device, it includes:

[0008] Fixed rod, the outer wall of fixed rod is equipped with two first installation support and two second installation support, two second installation support are located between two first installation support, and the first projection curtain roll is rolled between two first installation support, and the second projection curtain roll is rolled between two second installation support;

[0009] It further includes rotating assembly, and the rotating assembly is used for realizing the change of the included angle between the first projection curtain roll and the second projection curtain roll.

[0010] In a possible design, the rotating assembly comprises a movable sleeve sleeved on the outer wall of the fixed rod, the outer wall of the fixed rod is provided with a first limiting groove, the inner wall of the movable sleeve is fixedly provided with a first limiting convex strip, the first limiting convex strip is in sliding connection with the inner wall of the first limiting groove, the lower first mounting bracket and the lower second mounting bracket are both sleeved on the outer wall of the movable sleeve, the outer wall of the movable sleeve is provided with two second limiting grooves, the rotating hole of the first mounting bracket is fixedly provided with two second limiting convex strips, the two second limiting convex strips are both in sliding connection with the inner wall of the corresponding second limiting groove, so as to ensure the stability of the first mounting bracket, the outer wall of the movable sleeve is fixedly provided with a plurality of clamping teeth, the plurality of clamping teeth are all above the two second limiting grooves, and the rotating hole of the second mounting bracket is provided with a plurality of clamping grooves, the plurality of clamping grooves are matched with the plurality of clamping teeth.

[0011] In a possible design, the rotating assembly further comprises a fixed sleeve ring fixedly sleeved on the outer wall of the fixed rod, the fixed sleeve ring is above the movable sleeve, the outer wall of the fixed rod is sleeved with a spring, the top end of the spring is fixedly connected with the bottom of the fixed sleeve ring, and the bottom end of the spring is fixedly connected with the top of the movable sleeve.

[0012] In a possible design, the rolling shafts are rotatably arranged between the two first mounting brackets and the two second mounting brackets, the upper first mounting bracket and the upper second mounting bracket are rotatably connected with the fixed rod, and the top of each of the first mounting bracket and the second mounting bracket is fixedly provided with a fixed box, the top end of each of the two rolling shafts is rotatably connected with the top inner wall of the corresponding fixed box, the outer wall of each of the two rolling shafts is sleeved with a disc spring, the disc spring is located in the corresponding fixed box, one end of the disc spring is fixedly connected with the inner wall of the corresponding fixed box, and the other end of the disc spring is fixedly connected with the outer wall of the corresponding rolling shaft.

[0013] In a possible design, the top of each of the two first mounting brackets and the two second mounting brackets away from the fixed rod is fixedly provided with an auxiliary bracket, the two auxiliary brackets corresponding in up and down are rotatably arranged with a limiting shaft, and the two limiting shafts are respectively used for stably rolling out and pulling out the corresponding first projection curtain and the second projection curtain.

[0014] In a possible design, the two sides of each of the plurality of auxiliary brackets are provided with mounting holes through brackets, the mounting holes are matched with each other, and the mounting holes are used for mounting external shielding components to shield the first mounting bracket and the second mounting bracket.

[0015] In a possible design, the bottom of the fixed rod is fixedly provided with a mounting disc, the bottom of the mounting disc is fixedly provided with a supporting rod, and the bottom of the supporting rod is detachably provided with a counterweight base for supporting the device.

[0016] In a possible design, the outer wall of the lower first mounting bracket is fixedly provided with a plurality of anti-skid protrusions, and the plurality of anti-skid protrusions are located at one end close to the fixed rod; the bottom of the lower second mounting bracket is fixedly provided with a fixed column for facilitating the rotation of the second mounting bracket.

[0017] In use, the user can set the device at the corner of the place to be displayed, and then adjust the angle between the first mounting bracket and the second mounting bracket according to the required included angle between the two screens; when adjusting the angle, the user only needs to push the movable sleeve upward by using the lever until the plurality of clamping teeth are completely separated from the corresponding clamping grooves, and then the user can rotate the two second mounting brackets by using the fixed column until the included angle between the first projection screen roll and the second projection screen roll is adjusted to a proper size; at this time, the user only needs to stop pushing the movable sleeve, and then the movable sleeve can be pushed downward again under the action of the spring, so that the plurality of clamping teeth are clamped into the corresponding clamping grooves again, and the position of the first projection screen roll and the second projection screen roll can be locked; then the user only needs to wrap the corresponding screen around the adjacent limiting shaft and pull it outwards, and then fix it, so as to realize the connection of the two screens; the user can also install a shielding component, such as a shielding cloth or a shielding plate, through the plurality of mounting holes, so as to shield the main body of the device, which is beneficial to ensuring that the overall appearance of the holographic projection is good; according to the different heights required for installing the screen, the user can replace the supporting rods of different lengths for use, so that the screen can be at a proper height, and the needs of the exhibition can be met.

[0018] Beneficial effects: in the holographic projection exhibition device, the included angle between the first projection screen roll and the second projection screen roll can be conveniently adjusted by the design of the rotating assembly, so as to adapt to the needs of different exhibition scenes; the movable sleeve, the clamping teeth and the clamping grooves in the rotating assembly make the adjustment process simple and fast, and can ensure the stability of the screen after adjustment.

[0019] In the holographic projection exhibition device, the winding shaft, the disc spring and the limiting shaft in the device can ensure the stability and stability of the screen during winding and unwinding; the elastic force of the disc spring can automatically wind the screen, reducing the operation burden of the user, and the limiting shaft can prevent the screen from deviating or falling off during unwinding.

[0020] The utility model discloses a holographic projection exhibition device, through setting up a plurality of mounting holes, and user can conveniently install shielding component, such as shielding cloth, shielding board etc., can shield the main body of the device, and the overall aesthetic degree is improved, simultaneously, the height of the device can be adjusted through replacing the support pole of different length, to adapt to the demand of different exhibition place,

[0021] The utility model discloses a holographic projection exhibition device, the holographic projection exhibition device simple and compact structure, the connection of each component is closely reliable, and the operation process is simple and easy to understand, and the adjustment and fixed of curtain can be easily completed without professional skill,

[0022] The utility model discloses a holographic projection exhibition device whole structure simple and compact, and the component connection is closely, and the operation is simple, and the design of rotating component can adjust curtain included angle easily, and adapts to various exhibition scene, and the adjustment is simple and quick and steady and reliable, and the cooperation of winding shaft, disc spring and limiting shaft can ensure that the curtain is retracted and is stable, and the design of multiple mounting holes is convenient for installing shielding component, can ensure that the projection exhibition is better, and the exhibition experience is improved. DRAWINGS

[0023] Figure 1 It is three -dimensional structure schematic diagram of holographic projection exhibition device that the utility model provides;

[0024] Figure 2 It is split structure schematic diagram of holographic projection exhibition device that the utility model provides;

[0025] Figure 3 It is mounting support structure schematic diagram of holographic projection exhibition device that the utility model provides;

[0026] Figure 4 It is rotating component structure schematic diagram of holographic projection exhibition device that the utility model provides.

[0027] In the drawing: 1, counterweight base;2, support rod;3, mounting disc;4, fixed rod;5, first projection curtain roll;6, second projection curtain roll;7, first mounting support;8, second mounting support;9, winding shaft;10, fixed box;11, disc spring;12, auxiliary support;13, limiting shaft;14, mounting hole;15, first limiting slot;16, movable sleeve;17, first limiting convex strip;18, fixed sleeve ring;19, spring;20, second limiting slot;21, pawl;22, push plate;23, second limiting convex strip;24, anti -slip convex;25, clamping groove;26, fixed column. CONCRETE IMPLEMENTATION

[0028] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application.

[0029] Embodiment 1: Refer to Figures 1-4 A projection exhibition device comprises:

[0030] The fixed rod 4 is the main support structure of the whole device. On the outer wall of the fixed rod 4, two first mounting brackets 7 and two second mounting brackets 8 are sleeved. The two second mounting brackets 8 are located between the two first mounting brackets 7. The first projection curtain roll 5 is wound between the two first mounting brackets 7, and is used to display a part of the holographic projection image. Similarly, the second projection curtain roll 6 is wound between the two second mounting brackets 8, and is used to display another part of the holographic projection image. The corresponding projection curtain can be pulled out from the two projection curtain rolls, and the projection exhibition can be completed in the place to be exhibited.

[0031] In order to change the angle between the first projection curtain roll 5 and the second projection curtain roll 6, the embodiment designs a rotating assembly. The rotating assembly comprises a movable sleeve 16 sleeved on the outer wall of the fixed rod 4. A first limiting groove 15 is formed on the outer wall of the fixed rod 4, and a first limiting convex strip 17 is fixedly installed on the inner wall of the movable sleeve 16. The first limiting convex strip 17 is in sliding connection with the inner wall of the first limiting groove 15, so as to ensure the stable sliding of the movable sleeve 16 on the fixed rod 4. The lower first mounting bracket 7 and the lower second mounting bracket 8 are both sleeved on the outer wall of the movable sleeve 16.

[0032] Further, in the embodiment, two second limiting grooves 20 are formed on the outer wall of the movable sleeve 16. Two second limiting convex strips 23 are fixedly installed on the inner wall of the rotating hole of the first mounting bracket 7, and the two second limiting convex strips 23 are both in sliding connection with the inner wall of the corresponding second limiting groove 20, so as to ensure the stable rotation of the first mounting bracket 7 on the movable sleeve 16. Meanwhile, a plurality of clamping teeth 21 are fixedly installed on the outer wall of the movable sleeve 16, and the clamping teeth are all located above the two second limiting grooves 20. A plurality of clamping grooves 25 are formed on the inner wall of the rotating hole of the second mounting bracket 8, and the clamping grooves are matched with the clamping teeth 21, and are used to fix the position of the second mounting bracket 8.

[0033] In order to assist the up and down movement of the movable sleeve 16, in the embodiment, a fixed sleeve ring 18 is fixedly sleeved on the outer wall of the fixed rod 4, and the fixed sleeve ring is located above the movable sleeve 16. A spring 19 is also sleeved on the outer wall of the fixed rod 4, the top end of the spring is fixedly connected with the bottom of the fixed sleeve ring 18, and the bottom end is fixedly connected with the top of the movable sleeve 16. Such design enables the movable sleeve 16 to continuously receive downward force. In order to facilitate the operation of the movable sleeve 16, a push plate 22 is fixedly installed on one side of the movable sleeve 16, and the push plate can be pushed to make the movable sleeve 16 rise, so that the clamping teeth 21 are separated from the clamping groove 25, thereby adjusting the position of the second mounting bracket 8.

[0034] In the embodiment, the winding shaft 9 is rotatably penetrated between the two first mounting brackets 7 and the two second mounting brackets 8. The upper first mounting bracket 7 and the second mounting bracket 8 are rotatably connected with the fixed rod 4, and the top of each of the first mounting bracket 7 and the second mounting bracket 8 is fixedly installed with a fixed box 10. The top end of each of the two winding shafts 9 is rotatably connected with the inner wall of the top of the corresponding fixed box 10. A coil spring 11 is sleeved on the outer wall of the winding shaft 9, and the coil spring is located in the corresponding fixed box 10, one end of the coil spring is fixedly connected with the inner wall of the fixed box 10, and the other end is fixedly connected with the outer wall of the winding shaft 9. Such design enables the projection screen to be automatically wound when it is needed to be retracted, by releasing the potential energy of the coil spring.

[0035] In order to stabilize the winding and pulling out of the projection screen, in the embodiment, the auxiliary bracket 12 is fixedly installed at the end of the two first mounting brackets 7 and the two second mounting brackets 8 away from the fixed rod 4. The limiting shaft 13 is rotatably installed between the two auxiliary brackets 12 corresponding in up and down directions, for stabilizing the winding and pulling out of the corresponding projection screen.

[0036] The present application can be used in the field of holographic projection technology, and can also be used in other fields applicable to the present application.

[0037] Embodiment 2: Reference Figure 1 , 3 , 4, improvement based on embodiment 1: holographic projection exhibition device, applied to the field of holographic projection technology;

[0038] In the embodiment, in order to facilitate the installation of external shielding components such as decorative plates or protective covers, installation holes 14 are provided on both sides of the plurality of auxiliary brackets 12 through bracket setting, and these installation holes can be used in cooperation with each other.

[0039] Finally, in the embodiment, the mounting disc 3 is fixedly installed at the bottom of the fixed rod 4, and the support rod 2 is fixedly and detachably installed at the bottom of the mounting disc. The counterweight base 1 is detachably installed at the bottom end of the support rod 2, for providing stable support to the whole device.

[0040] In addition, in order to facilitate operation and adjustment, a plurality of anti-skid protrusions 24 are fixedly installed on the outer wall of the first mounting bracket 7 located at the lower side, and the anti-skid protrusions are located at one end close to the fixed rod 4, which helps to prevent sliding during adjustment. Similarly, a fixed column 26 is fixedly installed on the bottom of the second mounting bracket 8 located at the lower side, and the second mounting bracket 8 can be conveniently rotated by pushing the fixed column.

[0041] The working principle and use process of the technical solution are as follows: when in use, the user can set the device at the corner of the place to be displayed, and then according to the included angle to be formed between the two curtains, the user can adjust the angle between the first mounting bracket 7 and the second mounting bracket 8 accordingly; when adjusting the angle, the user only needs to push the movable sleeve 16 upward by using the push plate 22 until the plurality of clamping teeth 21 are completely separated from the corresponding clamping grooves 25, at this time, the user can rotate the two second mounting brackets 8 by pushing the fixed column 26, until the included angle between the first projection curtain roll 5 and the second projection curtain roll 6 is adjusted to an appropriate size; at this time, the user only needs to stop pushing the movable sleeve 16, and then under the action of the spring 19, the movable sleeve 16 can be pushed downward again, so that the plurality of clamping teeth 21 can be clamped into the corresponding clamping grooves 25 again, at this time, the position of the first projection curtain roll 5 and the second projection curtain roll 6 can be locked; then the user only needs to wrap the corresponding curtain around the adjacent limiting shaft 13 and pull it outwards, and then fix it, so as to realize the connection of the two curtains; at the same time, the user can also install a corresponding shielding part, such as a shielding cloth, a shielding plate, etc. through the plurality of mounting holes 14, so as to shield the main body of the device, which is helpful to ensure that the overall appearance of the holographic projection is good; according to the different heights required by the use of the curtain, the user can replace the support rod 2 of different lengths for use, so that the curtain can be at an appropriate height, which is helpful to meet the needs of the exhibition.

[0042] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A holographic projection exhibition apparatus, characterized by, The utility model relates to a projection screen, including: A fixed rod (4), the outer wall of the fixed rod (4) is sleeved with two first installation support (7) and two second installation support (8), two second installation support (8) are located between two first installation support (7), and the first projection curtain roll (5) is rolled between two first installation support (7), and the second projection curtain roll (6) is rolled between two second installation support (8); Further including rotating assembly, the rotating assembly is used for realizing the change of the included angle between first projection curtain roll (5) and second projection curtain roll (6).

2. The holographic projection exhibition apparatus according to claim 1, characterized in that, The rotating assembly includes the movable sleeve (16) that is sleeved on the outer wall of the fixed rod (4), the outer wall of the fixed rod (4) is provided with the first limiting groove (15), the inner wall of the movable sleeve (16) is fixedly installed with the first limiting convex strip (17), the first limiting convex strip (17) is connected with the inner wall of the first limiting groove (15) slidingly, the first installation support (7) located below and the second installation support (8) located below are all sleeved on the outer wall of the movable sleeve (16), the outer wall of the movable sleeve (16) is provided with two second limiting grooves (20), the rotating hole inner wall of the first installation support (7) is fixedly installed with two second limiting convex strips (23), two second limiting convex strips (23) are all connected with the inner wall of the corresponding second limiting groove (20) slidingly, to ensure the stability of the first installation support (7), the outer wall of the movable sleeve (16) is fixedly installed with a plurality of clamping teeth (21), and a plurality of clamping teeth (21) are all located above two second limiting grooves (20), the rotating hole inner wall of the second installation support (8) is provided with a plurality of clamping grooves (25), and a plurality of clamping grooves (25) are matched with a plurality of clamping teeth (21).

3. The holographic projection exhibit apparatus of claim 2, wherein, The rotating assembly further includes the fixed sleeve ring (18) that is fixedly sleeved on the outer wall of the fixed rod (4), the fixed sleeve ring (18) is located above the movable sleeve (16), the outer wall of the fixed rod (4) is sleeved with the spring (19), the top of the spring (19) is fixedly connected with the bottom of the fixed sleeve ring (18), the bottom of the spring (19) is fixedly connected with the top of the movable sleeve (16), one side of the movable sleeve (16) is fixedly installed with the push plate (22), is used for pushing the movable sleeve (16) and completes the rise, to realize the separation of a plurality of clamping teeth (21) and a plurality of clamping grooves (25).

4. The holographic projection exhibit apparatus of claim 1, wherein, Two first mounting supports (7) and two second mounting supports (8) are rotatably penetrated by winding shafts (9), the upper first mounting supports (7) and the second mounting supports (8) are rotatably connected with the fixed rod (4), and the top of each is fixedly installed with a fixed box (10), the top end of each of the two winding shafts (9) is rotatably connected with the inner wall of the top of the corresponding fixed box (10), the outer wall of each of the two winding shafts (9) is sleeved with a disc spring (11), and the two disc springs (11) are located in the corresponding fixed box (10), and one end of each is fixedly connected with the inner wall of the corresponding fixed box (10), and the other end of each of the two disc springs (11) is fixedly connected with the outer wall of the corresponding winding shaft (9).

5. The holographic projection exhibit apparatus of claim 1, wherein, The end of each of the two first mounting supports (7) and the second mounting supports (8) away from the fixed rod (4) is fixedly installed with an auxiliary support (12), and the two auxiliary supports (12) corresponding in up and down are rotatably installed with a limiting shaft (13), and the two limiting shafts (13) are respectively used for completing stable winding and pulling out of the corresponding first projection curtain roll (5) and the second projection curtain roll (6).

6. The holographic projection exhibit apparatus of claim 5, wherein, The two sides of the plurality of auxiliary supports (12) are provided with mounting holes (14) through supports, the plurality of mounting holes (14) are matched with each other, and external shielding components are installed to shield the first mounting supports (7) and the second mounting supports (8).

7. The holographic projection exhibit apparatus of claim 1, wherein, The bottom of the fixed rod (4) is fixedly installed with a mounting disc (3), the bottom of the mounting disc (3) is fixedly and detachably installed with a supporting rod (2), and the bottom end of the supporting rod (2) is detachably installed with a counterweight base (1) for supporting the device. 8.The holographic projection exhibition apparatus of claim 1, wherein, The outer wall of the lower first mounting support (7) is fixedly installed with a plurality of anti-skid protrusions (24), and the plurality of anti-skid protrusions (24) are located at one end close to the fixed rod (4); the bottom of the lower second mounting support (8) is fixedly installed with a fixed column (26), and the fixed column (26) is used for facilitating pushing and rotating the second mounting support (8).

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