CN215862524U

CN215862524U - Projector mounting bracket structure for spherical screen

Info

Publication number: CN215862524U
Application number: CN202122162258.XU
Authority: CN
Inventors: 不公告发明人
Original assignee: Beijing Lanke Yingsheng Aviation Technology Co ltd
Current assignee: Beijing Lanke Yingsheng Aviation Technology Co ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-02-18
Anticipated expiration: 2031-09-08

Abstract

The utility model belongs to the technical field of spherical screen projection, and particularly relates to a projector mounting support structure for a spherical screen, which comprises a spherical screen skin, wherein two mirror image distributed lens holes are formed in the spherical screen skin, two mirror image distributed first triangular frames and two mirror image distributed second triangular frames are fixedly mounted on the spherical screen skin, the two lens holes are respectively positioned in the corresponding first triangular frames, one side, close to each other, of each adjacent first triangular frame and one side, close to each other, of each adjacent second triangular frame are fixedly provided with the same rectangular frame, a mounting frame is fixedly mounted in each rectangular frame, and support plates are fixedly mounted on two sides of each first triangular frame and two sides of each second triangular frame. The utility model can be applied to a small-sized spherical screen cinema, can greatly reduce the influence of the noise of the projector on audiences and improve the experience of the audiences. The vibration damper has the advantages of light weight, simplicity in mounting and fixing, convenience in disassembly, stable structure, vibration reduction, good sealing property, short manufacturing period and the like.

Description

Projector mounting bracket structure for spherical screen

Technical Field

The utility model relates to the technical field of spherical screen projection, in particular to a projector mounting bracket structure for a spherical screen.

Background

Dome cinema, also known as a garden dome movie or dome movie, is a large-screen movie appearing in the 70 s of the 20 th century. The ultra-wide angle fisheye lens is used for shooting and first-letter projection, the audience hall is of a dome-shaped structure, the screen is hemispherical, the audience is surrounded by the screen, and the screen looks like a dome. Because the screen image is large and clear, the screen image is extended from the front of the audience and is often provided with stereo ring sound, so that the audience is very strong in the presence effect when being placed in the screen, the screen image is a well-known better playing carrier which can reflect the feeling of being "in the presence" at present, a large-sized three-dimensional dynamic dome cinema is not provided for consumers to experience in China at present, but a small-sized dome cinema with the diameter of less than dozens of meters is generally present in places such as science and technology museums, teenagers and palaces in various cities. The film mostly uses a browsing type, a shuttle type, a simulated flying type lens, and the scene is a large panorama or a panorama. The types of the film are popular science, aerial landform, underwater photography, science fiction, simulation scene and the like.

However, the projectors of small-size ball curtain are mostly installed in the ball curtain, and spectator receives the projector noise image easily, influences and sees the shadow and experience, and difficult debugging and maintenance, for this reason, proposes a projector installing support structure for ball curtain.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a projector mounting bracket structure for a dome screen.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a projecting apparatus installing support structure for ball curtain, includes the ball curtain covering, set up the lens hole that two mirror images distribute on the ball curtain covering, fixed mounting has the first three angular frame of two mirror images distributions and the three angular frame of second of two mirror images distributions on the ball curtain covering, and two lens holes are located corresponding first three angular frame respectively, and one side fixed mounting that adjacent first three angular frame and the three angular frame of second are close to each other has same rectangle frame, fixed mounting has the mounting bracket in the rectangle frame, the equal fixed mounting in both sides of first three angular frame and the three angular frame of second has the backup pad, and the equal fixed mounting in one side that first three angular frame and first three angular frame kept away from each other has the light baffle board.

Preferably, two equal fixed mounting in one side that two rectangle frames are close to each other have two poles, equal fixed mounting has two horizontal poles between two adjacent poles.

Preferably, the auxiliary frames are fixedly mounted on the sides, away from each other, of the first triangular frame and the second triangular frame, and the two light isolation plates are fixedly connected with the corresponding auxiliary frames respectively.

Preferably, the inside fixed mounting of rectangle frame has four nylon pads that are the rectangle and distribute, the thickness of nylon pad is 10 mm.

Preferably, the support plate and the light insulation plate are both made of carbon fiber laminated plates with the thickness of 1 mm.

Preferably, the first triangular frame, the second triangular frame, the rectangular frame, the mounting frame (6), the vertical rods and the cross rods are all made of 2A12 aluminum alloy.

Compared with the prior art, the utility model has the beneficial effects that: first three angular frame, three angular frame of second, be in the same place through riveted mode fixed connection between rectangle frame and the mounting bracket, and be in the same place first three angular frame and the three angular frame of second through riveted mode and ball curtain covering fixed connection, be in the same place through a plurality of pole settings and horizontal pole fixed connection between two adjacent rectangle frames, make whole support can become a whole, afterwards all install into two projectors on two mounting brackets again, and be in the same place projector and rectangle frame fixed connection through the bolt, and make the camera lens of two projectors pass the camera lens hole that corresponds, afterwards all pass through the mounting screw upper support plate in the both sides of three angular frame of first three angular frame and second, simultaneously, separate the worn-out fur through the fix with screw towards one side that three angular frame of first three angular frame and second kept away from.

The utility model can be applied to a small-sized spherical screen cinema, can greatly reduce the influence of the noise of the projector on audiences and improve the experience of the audiences. The vibration damper has the advantages of light weight, simplicity in mounting and fixing, convenience in disassembly, stable structure, vibration reduction, good sealing property, short manufacturing period and the like.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention except for the supporting plate and the light-shielding plate;

in the figure: 1. covering a spherical screen with skin; 2. a lens hole; 3. a first triangular frame; 4. a second triangular frame; 5. a rectangular frame; 6. a mounting frame; 7. erecting a rod; 8. a cross bar; 9. a nylon pad; 10. an auxiliary frame; 11. a support plate; 12. an opaque plate.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a projecting apparatus installing support structure for ball curtain, including ball curtain covering 1, set up the lens hole 2 that two mirror images distribute on the ball curtain covering 1, fixed mounting has the first three angular frame 3 that two mirror images distribute and the three angular frame 4 of second that two mirror images distribute on the ball curtain covering 1, two lens hole 2 are located corresponding first three angular frame 3 respectively, one side fixed mounting that adjacent first three angular frame 3 and the three angular frame 4 of second are close to each other has same rectangle frame 5, fixed mounting has mounting bracket 6 in the rectangle frame 5, the equal fixed mounting in both sides of three angular frame 3 of first three angular frame and second has backup pad 11, and the equal fixed mounting in one side that three angular frame 3 of first three angular frame and 3 keep away from each other has light partition board 12.

Two upright posts 7 are fixedly mounted on the sides, close to each other, of the two rectangular frames 5, and two cross rods 8 are fixedly mounted between every two adjacent upright posts 7; the reinforcing rib that connects into through pole setting 7 and horizontal pole 8 can make two rectangle frames 5 connect and be a whole for the support can be more stable.

The equal fixed mounting in one side that first triangle frame 3 and second triangle frame 4 kept away from each other has auxiliary frame 10, and two separate the tabula 12 respectively with the auxiliary frame 10 fixed connection that corresponds be in the same place, can conveniently install on first triangle frame 3 and second triangle frame 4 with separating tabula 12 through auxiliary frame 10.

Four nylon pads 9 which are distributed in a rectangular shape are fixedly arranged inside the rectangular frame 5, and the thickness of each nylon pad 9 is 10 mm; the four nylon pads 9 can prevent the projector from directly contacting the rectangular frame 5, thereby playing a role in buffering and protecting the projector.

The supporting plate 11 and the light-shielding plate 12 are both made of carbon fiber laminated plates with the thickness of 1 mm; the carbon fiber laminated plate has high strength, light weight and strong light insulation.

The first triangular frame 3, the second triangular frame 4, the rectangular frame 5, the mounting rack 6, the upright rods 7 and the cross rods 8 are all made of 2A12 aluminum alloy; the 2A12 aluminum alloy has the advantages of high strength, light weight and the like.

The working principle is as follows: first triangle frame 3, second triangle frame 4, together through riveted mode fixed connection between rectangle frame 5 and the mounting bracket 6, and be in the same place first triangle frame 3 and second triangle frame 4 through riveted mode and ball curtain covering 1 fixed connection, be in the same place through a plurality of pole settings 7 and horizontal pole 8 fixed connection between two adjacent rectangle frames 5, make whole support can become a whole, afterwards all install into two projectors on two mounting brackets 6 again, and be in the same place projector and rectangle frame 5 fixed connection through the bolt, and make the camera lens of two projectors pass corresponding camera lens hole 2, later all through mounting screw upper support plate 11 in the both sides of first triangle frame 3 and second triangle frame 4, simultaneously, pass through the fix with screw upper light baffle 12 toward one side that first triangle frame 3 and second triangle frame 4 kept away from.

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. A projector mounting bracket structure for a dome screen, comprising a dome screen skin (1), characterized in that: offer lens hole (2) that two mirror images distribute on ball curtain covering (1), ball curtain covering (1) is gone up fixed mounting and is had first three angular frame (3) that two mirror images distribute and three angular frame (4) of second that two mirror images distribute, and two lens holes (2) are located corresponding first three angular frame (3) respectively, and one side fixed mounting that three angular frame (3) of adjacent first and second (4) are close to each other has same rectangle frame (5), fixed mounting has mounting bracket (6) in rectangle frame (5), the equal fixed mounting in both sides of three angular frame (3) of first and second (4) has backup pad (11), and the equal fixed mounting in one side that three angular frame (3) and first three angular frame (3) kept away from each other has light partition board (12).

2. A projector mounting bracket structure for a ball screen as claimed in claim 1, wherein: two equal fixed mounting in one side that two rectangle frames (5) are close to each other have two pole setting (7), and equal fixed mounting has two horizontal poles (8) between two adjacent pole setting (7).

3. A projector mounting bracket structure for a ball screen as claimed in claim 1, wherein: the side that first triangle frame (3) and second triangle frame (4) kept away from each other all fixed mounting have auxiliary frame (10), two separate light board (12) respectively with corresponding auxiliary frame (10) fixed connection together.

4. A projector mounting bracket structure for a ball screen as claimed in claim 1, wherein: the inside fixed mounting of rectangle frame (5) has four nylon pads (9) that are the rectangle and distribute, the thickness of nylon pad (9) is 10 mm.

5. A projector mounting bracket structure for a ball screen as claimed in claim 1, wherein: the support plate (11) and the light-isolating plate (12) are both made of carbon fiber laminated plates with the thickness of 1 mm.

6. A projector mounting bracket structure for a ball screen as claimed in claim 1, wherein: the first triangular frame (3), the second triangular frame (4), the rectangular frame (5), the mounting rack (6), the upright stanchion (7) and the cross rod (8) are all made of 2A12 aluminum alloy.