CN216052589U

CN216052589U - Holographic projection device with adjustable projection screen

Info

Publication number: CN216052589U
Application number: CN202122549676.4U
Authority: CN
Inventors: 王筱桐
Original assignee: Xi'an Drucker Lighting Engineering Co ltd
Current assignee: Xi'an Drucker Lighting Engineering Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-03-15
Anticipated expiration: 2031-10-22

Abstract

The utility model belongs to the technical field of projection equipment, in particular to a holographic projection device with an adjustable projection screen, and provides a scheme aiming at the problems in the background technology. The height adjusting mechanism is arranged, so that the height of the projection screen can be reasonably adjusted according to the requirements of a user, and the flexibility and the adjustability of the whole holographic projection device are improved; be provided with dust absorption mechanism, can improve the projection quality and the effect of projection curtain to the dust clearance is got up convenient and fast, and the cleaning efficiency is high, and the clearance is effectual.

Description

Holographic projection device with adjustable projection screen

Technical Field

The utility model relates to the technical field of projection equipment, in particular to a holographic projection device with an adjustable projection screen.

Background

The holographic projection technique is also called a virtual imaging technique, and is a technique for recording and reproducing a real three-dimensional image of an object by using the principles of interference and diffraction. The holographic projection technology can not only generate a stereoscopic aerial illusion, but also enable the illusion to interact with performers to complete the performance together, thereby generating an impressive performance effect.

However, the projection screen in the existing holographic projection device cannot be adjusted in height according to the requirements of users, so that the flexibility and adjustability of the holographic projection device are reduced, and in addition, a large amount of dust is often easily attached to the surface of the projection screen in the existing holographic projection device, so that the projection quality and effect of the projection screen are reduced, and the dust is troublesome to clean and low in cleaning efficiency. We have therefore proposed a holographic projection device with an adjustable projection screen.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a holographic projection device with an adjustable projection screen.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a holographic projection arrangement with adjustable projection curtain, all installs the base of the universal wheel of stopping in the area including bottom four corners position, the top outer wall of base has holographic projector body through the bolt fastening, and one side inner wall of holographic projector body has seted up the mounting groove, be equipped with height adjusting mechanism in the mounting groove, and height adjusting mechanism includes that lead screw, spiro union are at the L type vaulting pole at lead screw middle part, the welding is at installing frame and the drive assembly of L type vaulting pole one end outer wall, the inner wall all around of installing frame is fixed with same projection curtain, and is equipped with dust absorption mechanism in the installing frame.

Preferably, the driving assembly comprises a rotating shaft, a driving bevel gear fixedly sleeved on the rotating shaft, a driven bevel gear fixedly sleeved on the lower part of the screw rod, and a rocker welded on the outer wall of one end of the rotating shaft.

Preferably, the rotating shaft is in through connection with the inner wall of the lower part of one side of the mounting groove through a bearing, and the driving bevel gear and the driven bevel gear are meshed with each other.

Preferably, the lead screw is connected with the inner wall of the top and the inner wall of the bottom of the mounting groove through two bearings respectively, and the outer wall of the L-shaped support rod is connected with the inner wall of the mounting groove in a sliding mode.

Preferably, the dust collection mechanism comprises a dust collection bin arranged on the inner wall of the front face of the mounting frame, dust collection holes equidistantly distributed on the inner wall of one side of the dust collection bin, a filter screen fixed on the inner wall of the bottom of the dust collection bin through bolts, and an air exhaust fan fixed on the side wall of the mounting frame through bolts.

Preferably, the outer wall of the front surface of the mounting frame is fixed with a sealing and detaching plate matched with the position of the dust collection bin through a bolt, and the inner wall of the other side of the dust collection bin is provided with a ventilation hole matched with the position of the air exhaust fan.

The utility model has the beneficial effects that:

1. the height adjusting mechanism is arranged, the screw rod is driven to rotate by the driving assembly which is convenient for a user to operate, and the L-shaped stay bar drives the projection screen fixedly installed in the installation frame to move in the vertical direction under the limit of the installation groove, so that the height of the projection screen can be reasonably adjusted according to the requirement of the user, and the flexibility and the adjustability of the whole holographic projection device are improved;

2. be provided with dust absorption mechanism, the air negative pressure that produces through air exhaust fan inhales projection screen surface adnexed dust to the dust absorption storehouse from dust absorption hole in, the dust is piled up in the dust absorption storehouse after the interception of filter screen, can improve the projection quality and the effect of projection screen like this to the dust clearance gets up convenient and fast, and cleaning efficiency is high, and cleaning effect is good.

Drawings

FIG. 1 is a schematic perspective view of a holographic projection apparatus with an adjustable projection screen according to the present invention;

FIG. 2 is a schematic perspective view of a dust removing mechanism in a holographic projection apparatus with an adjustable projection screen according to the present invention;

fig. 3 is a schematic structural diagram of a partial three-dimensional splitting of a dust removing mechanism in a holographic projection apparatus with an adjustable projection screen according to the present invention.

In the figure: the device comprises a holographic projector body 1, a mounting groove 2, a lead screw 3, a 4L-shaped support rod, a mounting frame 5, a projection screen 6, a rotating shaft 7, a driving bevel gear 8, a driven bevel gear 9, a rocker 10, a dust suction bin 11, a dust suction hole 12, a filter screen 13, an air exhaust fan 14, a seal disassembly plate 15 and a base 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a holographic projection device with an adjustable projection screen comprises a base 16 with a brake universal wheel, a holographic projector body 1, a mounting groove 2, a projection screen 6, a height adjusting mechanism and a dust suction mechanism, wherein the base 16, the holographic projector body 1, the projection screen 6, the height adjusting mechanism and the dust suction mechanism are all arranged at four corners of the bottom of the holographic projector body, the holographic projector body 1 is fixed on the outer wall of the top of the base 16 through bolts, the mounting groove 2 is arranged on the inner wall of one side of the holographic projector body 1, the height adjusting mechanism is arranged in the mounting groove 2 and comprises a lead screw 3, an L-shaped support rod 4 screwed in the middle of the lead screw 3, a mounting frame 5 welded on the outer wall of one end of the L-shaped support rod 4 and a driving assembly, the driving assembly comprises a rotating shaft 7, a driving bevel gear 8 fixedly sleeved on the rotating shaft 7, a driven bevel gear 9 fixedly sleeved on the lower part of the lead screw 3 and a rocker 10 welded on the outer wall of one end of the rotating shaft 7, the rotary shaft 7 is in through connection with the inner wall of the lower part of one side of the mounting groove 2 through bearings, the driving bevel gear 8 and the driven bevel gear 9 are meshed with each other, the lead screw 3 is respectively connected with the inner wall of the top part and the inner wall of the bottom part of the mounting groove 2 through two bearings, the outer wall of the L-shaped support rod 4 is in sliding connection with the inner wall of the mounting groove 2, a height adjusting mechanism is arranged, the lead screw 3 is driven to rotate through a driving assembly convenient for a user to operate, the L-shaped support rod 4 drives the projection screen 6 fixedly installed in the mounting frame 5 to move in the vertical direction under the limit of the mounting groove 2, the height of the projection screen 6 can be reasonably adjusted according to the requirements of the user, and the flexibility and the adjustability of the whole holographic projection device are improved;

the projection screen 6 is fixed on the peripheral inner wall of the mounting frame 5, the dust collection mechanism is arranged in the mounting frame 5, the dust collection mechanism comprises a dust collection bin 11 arranged on the front inner wall of the mounting frame 5, dust collection holes 12 arranged on the inner wall of one side of the dust collection bin 11 in an equidistance distribution mode, a filter screen 13 fixed on the inner wall of the bottom of the dust collection bin 11 through bolts, and an air suction fan 14 fixed on the side wall of the mounting frame 5 through bolts, the front outer wall of the mounting frame 5 is fixed with a sealing disassembly plate 15 matched with the position of the dust collection bin 11 through bolts, the inner wall of the other side of the dust collection bin 11 is provided with a ventilation hole matched with the position of the air suction fan 14, the dust collection mechanism is arranged, the dust attached to the surface of the projection screen 6 is sucked into the dust collection bin 11 from the dust collection holes 12 through the air negative pressure generated by the air suction fan 14, and the dust is accumulated in the dust collection bin 11 after being intercepted by the filter screen 13, can improve projection screen 6's projection quality and effect like this to the dust clearance convenient and fast that gets up, cleaning efficiency is high, and cleaning effect is good.

The working principle is as follows: when the height of the projection screen 6 needs to be adjusted, the rocker 10 below the rotation shaft rotates to drive the rotation shaft 7 to rotate, the rotation shaft 7 rotates to drive the driving bevel gear 8 to rotate, and then the driven bevel gear 9 engaged with the driving bevel gear drives the screw rod 3 to rotate, under the limit of the mounting groove 2, the L-shaped stay bar 4 screwed on the screw rod 3 drives the projection screen 6 fixedly mounted in the mounting frame 5 to move in the vertical direction to finish the adjustment work, when the dust on the surface of the projection screen 6 needs to be cleaned, the air negative pressure generated by the air exhaust fan 14 sucks the dust attached to the surface of the projection screen 6 from the dust suction hole 12 into the dust suction bin 11, the dust is intercepted by the filter screen 13 and then accumulated in the dust suction bin 11 for collection, and the sealing and detaching plate 15 is detached after a period of use to regularly clean the accumulated dust in the dust suction bin 11 and the accumulated dust on the surface of the filter screen 13.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a holographic projection arrangement with adjustable projection curtain, all installs base (16) of the universal wheel of stopping in the area including bottom four corners position, its characterized in that, the top outer wall of base (16) has holographic projector body (1) through the bolt fastening, and one side inner wall of holographic projector body (1) has seted up mounting groove (2), be equipped with high adjustment mechanism in mounting groove (2), and high adjustment mechanism includes lead screw (3), spiro union at L type vaulting pole (4) at lead screw (3) middle part, welding in installing frame (5) and the drive assembly of L type vaulting pole (4) one end outer wall, the inner wall all around of installing frame (5) is fixed with same projection curtain (6), and is equipped with dust absorption mechanism in installing frame (5).

2. The holographic projection device with the adjustable projection screen as claimed in claim 1, wherein the driving assembly comprises a rotating shaft (7), a driving bevel gear (8) fixedly sleeved on the rotating shaft (7), a driven bevel gear (9) fixedly sleeved on the lower portion of the screw (3), and a rocker (10) welded on the outer wall of one end of the rotating shaft (7).

3. The holographic projection device with the adjustable projection screen as claimed in claim 2, wherein the rotation shaft (7) is penetratingly connected to a lower inner wall of one side of the installation groove (2) through a bearing, and the driving bevel gear (8) and the driven bevel gear (9) are engaged with each other.

4. The holographic projection device with the adjustable projection screen as claimed in claim 1, wherein the lead screw (3) is connected with the top inner wall and the bottom inner wall of the installation groove (2) through two bearings, respectively, and the outer wall of the L-shaped stay bar (4) is connected with the inner wall of the installation groove (2) in a sliding manner.

5. The holographic projection device with the adjustable projection screen as claimed in claim 1, wherein the dust suction mechanism comprises a dust suction chamber (11) formed in the front inner wall of the mounting frame (5), dust suction holes (12) formed in the inner wall of one side of the dust suction chamber (11) and distributed at equal intervals, a filter screen (13) fixed on the inner wall of the bottom of the dust suction chamber (11) through bolts, and an air suction fan (14) fixed on the side wall of the mounting frame (5) through bolts.

6. The holographic projection device with the adjustable projection screen as claimed in claim 1, wherein the outer wall of the front surface of the mounting frame (5) is fixed with a sealing and detaching plate (15) matched with the position of the dust collection bin (11) through a bolt, and the inner wall of the other side of the dust collection bin (11) is provided with a ventilation hole matched with the position of the air extractor (14).