CN217402215U

CN217402215U - Projection correction device for projector

Info

Publication number: CN217402215U
Application number: CN202123325134.5U
Authority: CN
Inventors: 李雪娥
Original assignee: Fujian Avlisten Intelligent Technology Co ltd
Current assignee: Fujian Avlisten Intelligent Technology Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-09-09
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a projection correcting unit for projecting apparatus, including projecting apparatus main part, spliced pole, erection column and installation roof, projecting apparatus main part upper end central point puts and rotates and is connected with an universal ball, the universal ball upper end be located the projecting apparatus main part outside and with spliced pole lower extreme fixed connection, installation roof lower extreme fixedly connected with erection column, it rotates the cover to be connected with one between the erection column outside and the spliced pole outside to rotate, servo motor of fixedly connected with in the erection column lower extreme, the beneficial effects of the utility model are that: through the flexible of the output of cylinder, can make the sliding plate be located the spliced pole and slide to the transmission of connecting the bull stick is utilized, can make the projecting apparatus main part carry out horizontal adjustment, utilizes the drive of servo motor output simultaneously, can make spliced pole and projecting apparatus main part rotate, thereby realizes the adjustment to projection angle, finally realizes the projection correction to the projecting apparatus.

Description

Projection correction device for projector

Technical Field

The utility model relates to a correcting unit technical field specifically is a projection correcting unit for projecting apparatus.

Background

The projector can be connected through different interfaces to play corresponding video signals, is widely applied to families, offices, schools and entertainment places, and has the basic principle that the appearance and the outline of a workpiece are amplified by utilizing an optical element and then projected onto a screen.

In the installation process of the projector, the projector is usually fixedly suspended at a high position in a room by using a fixing column, so that when the projector is inclined and cannot accurately project a picture on a curtain, the angle and the level of the projector are difficult to adjust.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a projection correcting unit for projecting apparatus 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: the utility model provides a projection correcting unit for projecting apparatus, includes projecting apparatus main part, spliced pole, erection column and installation roof, projecting apparatus main part upper end central point puts to rotate and is connected with an universal ball, universal ball upper end be located the projecting apparatus main part outside and with spliced pole lower extreme fixed connection, installation roof lower extreme fixedly connected with erection column, it rotates to be connected with one between the erection column outside and the spliced pole outside and rotates the cover, servo motor of fixedly connected with in the erection column lower extreme, servo motor output fixed connection is in the spliced pole upper end, spliced pole outside sliding connection has a set of sliding plate, it is connected with one and connects the bull stick all to rotate between sliding plate and the projecting apparatus main part upper end four corners.

Preferably, the outer side of the connecting column is fixedly connected with a fixed plate above the sliding plate, a cylinder is fixedly connected between the lower end of the fixed plate and the middle position of the upper end of the sliding plate, the cylinder can push the sliding plate to slide, and the projector main body can vertically rotate by utilizing transmission of the connecting rotating rod.

Preferably, the inner side wall of the sliding plate is fixedly connected with a limiting sliding block, a limiting sliding groove is formed in the connecting column and corresponds to the limiting sliding block, the limiting sliding blocks are connected in the limiting sliding groove in a sliding mode, and the limiting sliding blocks can enable the sliding plate to slide on the connecting column according to a specified track.

Preferably, the lower end of the inner wall of the rotating sleeve is fixedly connected with the outer side of the upper end of the connecting column through a bearing, the upper end of the inner wall of the rotating sleeve is fixedly connected with a rotating plate, a rotating groove is formed in the outer side of the mounting column and in a position corresponding to the rotating plate, the rotating plate is rotatably connected in the rotating groove, and the rotating plate and the fixed bearing can ensure the rotating stability of the rotating sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: through the flexible of the output of cylinder, can make the sliding plate be located the spliced pole and slide to the transmission of connecting the bull stick is utilized, can make the projecting apparatus main part carry out horizontal adjustment, utilizes the drive of servo motor output simultaneously, can make spliced pole and projecting apparatus main part rotate, thereby realizes the adjustment to projection angle, finally realizes the projection correction to the projecting apparatus.

Drawings

FIG. 1 is a front sectional view of the present invention;

fig. 2 is a schematic view of the top-view appearance structure of the projector main body according to the present invention;

FIG. 3 is a schematic view of the appearance structure of the mounting post of the present invention;

fig. 4 is a schematic view of the appearance structure of the rotating sleeve of the present invention.

In the figure: 1. a projector main body; 2. a universal ball; 3. connecting columns; 4. rotating the sleeve; 5. mounting a column; 6. installing a top plate; 7. a servo motor; 8. a sliding plate; 9. connecting the rotating rod; 10. a fixing plate; 11. a cylinder; 12. a limiting slide block; 13. a limiting chute; 14. a rotating groove; 15. and rotating the plate.

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.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a projection correcting unit for projecting apparatus, including projecting apparatus main part 1, spliced pole 3, erection column 5 and installation roof 6, universal ball 2 rotates to be connected at 1 upper end central point in the projecting apparatus main part, 2 upper ends of universal ball are located 1 outside of projecting apparatus main part and fixed connection at 3 lower extremes of spliced pole, 5 fixed connection at installation roof lower extreme of erection column, 4 rotations of rotating sleeve are connected between 5 outsides of erection column and 3 outsides of spliced pole, 7 fixed connection of servo motor is in 5 lower extremes of erection column, 7 outputs of servo motor and 3 upper end fixed connection of spliced pole, the equal sliding connection spliced pole 3 outsides of sliding plate 8, it all rotates to connect between sliding

plate

8 and 1 upper end four corners of projecting apparatus main part to connect bull stick 9.

Wherein, in order to make the projector main body 1 vertically rotate, thereby carrying out horizontal adjustment, the fixed plate 10 is fixedly connected with the outer side of the connecting column 3 and is positioned above the sliding plate 8, and the air cylinders 11 are fixedly connected between the middle positions of the lower end of the fixed plate 10 and the upper end of the sliding plate 8.

Wherein, for making sliding plate 8 lie in and slide according to appointed orbit on spliced pole 3, spacing slider 12 fixed connection is at the 8 inside walls of sliding plate, and spacing spout 13 is all seted up in spliced pole 3 and the position corresponds with spacing slider 12, and the equal sliding connection of spacing slider 12 is in spacing spout 13.

Wherein, in order to guarantee the rotational stability of rotating sleeve 4, the fixedly connected with bearing of the junction of rotating sleeve 4 inner wall lower extreme and spliced pole 3 upper end outside, rotor plate 15 fixed connection rotates 4 inner wall upper ends at the cover, and the rotation groove 14 is seted up in the erection column 5 outside and the position is corresponding with rotor plate 15, and rotor plate 15 rotates to be connected in rotation groove 14.

Specifically, use the utility model discloses the time, at first connect external power source with whole device, when horizontal tilt appears in projecting apparatus main part 1, directly open corresponding cylinder 11, it is flexible to make cylinder 11 output, thereby it slides to drive corresponding sliding plate 8 and be located the 3 outsides of spliced pole, and utilize the transmission of connecting bull stick 9, can make projecting apparatus main part 1 carry out the vertical rotation around universal ball 2, thereby realize the horizontal adjustment to projecting apparatus main part 1, when the skew curtain both sides of projection picture, directly open servo motor 7, make servo motor 7 output drive spliced pole 3 carry out the horizontal rotation, thereby realize the adjustment to 1 projection angle of projecting apparatus main part, and the operation is simple and convenient, the condition that projecting apparatus main part 1 can't carry out projection correction to it in room eminence has been avoided.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A projection correction device for a projector is characterized by comprising a projector main body (1), a connecting column (3), a mounting column (5) and a mounting top plate (6), wherein a universal ball (2) is rotatably connected to the central position of the upper end of the projector main body (1), the upper end of the universal ball (2) is positioned outside the projector main body (1) and is fixedly connected with the lower end of the connecting column (3), the lower end of the mounting top plate (6) is fixedly connected with the mounting column (5), a rotating sleeve (4) is rotatably connected between the outer side of the mounting column (5) and the outer side of the connecting column (3), a servo motor (7) is fixedly connected in the lower end of the mounting column (5), the output end of the servo motor (7) is fixedly connected to the upper end of the connecting column (3), and a group of sliding plates (8) is slidably connected to the outer side of the connecting column (3), and a connecting rotating rod (9) is rotatably connected between the sliding plate (8) and four corners of the upper end of the projector main body (1).

2. A projection correction apparatus for a projector according to claim 1, characterized in that: the outer side of the connecting column (3) is fixedly connected with a fixed plate (10) above the sliding plate (8), and a cylinder (11) is fixedly connected between the lower end of the fixed plate (10) and the middle position of the upper end of the sliding plate (8).

3. A projection correction apparatus for a projector as set forth in claim 1, wherein: the inner side wall of the sliding plate (8) is fixedly connected with a limiting sliding block (12), a limiting sliding groove (13) is formed in the connecting column (3) and corresponds to the limiting sliding block (12), and the limiting sliding block (12) is connected in the limiting sliding groove (13) in a sliding mode.

4. A projection correction apparatus for a projector according to claim 1, characterized in that: rotate and pass through bearing fixed connection between cover (4) inner wall lower extreme and spliced pole (3) upper end outside, rotating board (15) of cover (4) inner wall upper end fixedly connected with, installing column (5) outside and with the corresponding position of rotating board (15) seted up rotation groove (14), rotating board (15) rotate to be connected in rotation groove (14).