CN217482408U

CN217482408U - Fixing device of projector

Info

Publication number: CN217482408U
Application number: CN202220608683.9U
Authority: CN
Inventors: 刘伟
Original assignee: Tianjin Tianyi Huicheng Technology Co ltd
Current assignee: Tianjin Tianyi Huicheng Technology Co ltd
Priority date: 2022-03-19
Filing date: 2022-03-19
Publication date: 2022-09-23
Anticipated expiration: 2032-03-19

Abstract

The utility model provides a fixing device of a projector, which relates to the technical field of intelligent office, and comprises a fixing device main body, wherein the fixing device main body comprises a lower fixing plate and an upper rotating plate, and the upper rotating plate is provided with a fixing hole for fixing the projector; the lower fixing plate is provided with an installation groove, and the upper rotating plate is arranged in the installation groove; and a rotary hole is arranged on the central line of the mounting groove. The utility model provides a pair of fixing device's of projector last rotating plate is used for fixed projector, places the projector after on last rotating plate, through the rotation drive axle, the drive axle makes last rotating plate can be at the mounting groove internal rotation, and then realizes the projection to fine setting to the projector, avoids throwing to adjusting the correct problem through removing whole projector and is difficult for making the projector, has made things convenient for the regulation of projection to, makes the projector also can be quick regulation on the conference table.

Description

Fixing device of projector

Technical Field

The utility model belongs to the technical field of the technique of intelligence official working and specifically relates to a fixing device of projector is related to.

Background

The existing projector is generally placed on a desktop of a meeting room for use, the use mode is flexible, and if the projector is fixed on the roof of a house, the projector is used in the meeting room and has certain limitation; when the projector is used on a table in a meeting room, the adjusting range is small by the aid of the adjusting device carried by the projector, and a satisfactory projection effect is difficult to obtain.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fixing device of projector to alleviate the technical problem that projector self adjusting device can't obtain satisfied projection effect.

The utility model provides a fixing device of a projector, which comprises a fixing device main body, wherein the fixing device main body comprises a lower fixing plate and an upper rotating plate, and the upper rotating plate is provided with a fixing hole for fixing the projector;

the lower fixing plate is provided with an installation groove, and the upper rotating plate is arranged in the installation groove; a rotary hole is formed in the center line of the mounting groove, a rotary column is arranged on one side, facing the mounting groove, of the upper rotary plate, and the rotary column is rotatably arranged in the rotary hole;

a driving hole is formed in the mounting groove, a driving shaft is arranged in the driving hole, and a rotating rack is arranged on the periphery of the upper rotating plate facing the mounting groove;

the driving shaft is engaged with the rotating rack, and the driving shaft can rotate the upper rotating plate in the mounting groove by rotation.

In an alternative embodiment, the lower fixing plate is provided with a communication hole communicated with the driving hole, the driving shaft extends out of the lower fixing plate along the communication hole, and a driving member is arranged at a part of the driving shaft outside the lower fixing plate.

In an optional embodiment, the driving part is positioned at the rear end of the lower fixing plate, a rear adjusting part is arranged at the rear part of the lower end of the lower fixing plate, and a front adjusting part is arranged at the front part of the lower end of the lower fixing plate; and the length of the rear adjusting piece is not longer than that of the front adjusting piece.

In an alternative embodiment, the lower end of the lower fixing plate is provided with a lower threaded hole, and the rear adjusting piece is screwed in the lower threaded hole.

In an alternative embodiment, the rear adjusting member includes a threaded rod and an adjusting portion, one end of the threaded rod is disposed in the lower threaded hole, and the other end of the threaded rod is fixedly disposed on the adjusting portion.

In an alternative embodiment, the adjusting part has a first end face and a second end face which are opposite to each other, one end of the threaded rod is connected with the first end face, and an inclined face is arranged between the second end face and the first end face; and the area of the first end surface is larger than that of the second end surface.

The utility model provides a pair of fixing device's of projector last rotating plate is used for fixed projector, places the projector after on last rotating plate, through the rotation drive axle, the drive axle makes last rotating plate can be at the mounting groove internal rotation, and then realizes the projection to fine setting to the projector, avoids throwing to adjusting the correct problem through removing whole projector and is difficult for making the projector, has made things convenient for the regulation of projection to, makes the projector also can be quick regulation on the conference table.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a fixing device of a projector according to an embodiment of the present invention;

FIG. 2 is a schematic view of another angle of the fixing device of the projector shown in FIG. 1;

fig. 3 is a schematic structural view of a lower fixing plate of the fixing device of the projector shown in fig. 1;

fig. 4 is a schematic structural view of an upper rotating plate of the fixing device of the projector shown in fig. 1.

An icon: 100-lower fixing plate; 200-upper rotating plate; 300-fixing holes; 400-a drive member; 500-a drive shaft; 600-rear adjustment; 601-a threaded rod; 602-an adjustment section; 700-mounting grooves; 800-spin holes; 900-drive aperture; 110-inclined plane; 120-a rotating rack; 130-spin columns.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 1 to 4, the present invention provides a fixing device for a projector, including a fixing device main body, wherein the fixing device main body includes a lower fixing plate 100 and an upper rotating plate 200, and a fixing hole 300 for fixing the projector is provided on the upper rotating plate 200;

a mounting groove 700 is formed on the lower fixing plate 100, and the upper rotating plate 200 is disposed in the mounting groove 700; a rotation hole 800 is formed in a center line of the installation groove 700, a rotation column 130 is disposed on a side of the upper rotation plate 200 facing the installation groove 700, and the rotation column 130 is rotatably disposed in the rotation hole 800;

a driving hole 900 is formed in the mounting groove 700, a driving shaft 500 is formed in the driving hole 900, and a rotary rack 120 is formed on the peripheral side of the upper rotary plate 200 facing the mounting groove 700;

the driving shaft 500 is engaged with the rotary rack 120, and the driving shaft 500 can rotate the upper rotary plate 200 in the mounting groove 700 by rotation.

In some embodiments, a circular mounting groove 700 is formed in the lower fixing plate 100, a circular upper rotation plate 200 is disposed in the mounting groove 700 at a fixed distance from the side wall of the mounting groove 700 to prevent the upper rotation plate 200 from contacting the side wall of the mounting groove 700 when the upper rotation plate 200 is rotated, and a rotation hole 800 is formed in the center of the mounting groove 700, and the rotation post 130 of the upper rotation plate 200 is inserted into the rotation hole 800 even though the upper rotation plate 200 and the mounting groove 700 are concentrically disposed.

The driving shaft 500 is engaged with the rotating rack 120, and when the upper rotating plate 200 is required to rotate, the driving shaft 500 rotates to rotate the upper rotating plate 200 in the mounting groove 700, so that the projector on the upper rotating plate 200 rotates, that is, the fine adjustment of the projection direction of the projector is realized.

Because the projector directly places and uses on the desktop, the projector need just right with the plane of projection, through the artifical projector that removes, the difficult small range of projector removes, and then the manual regulation degree of difficulty is big, and is rotatory through drive shaft 500, and then makes the rotation board 200 rotatory, has made things convenient for the projected fine setting to the projector.

In an alternative embodiment, a communication hole communicating with the driving hole 900 is formed in the lower fixing plate 100, the driving shaft 500 extends out of the lower fixing plate 100 along the communication hole, and a driving member 400 is disposed at a portion of the driving shaft 500 outside the lower fixing plate 100.

In some embodiments, a communication hole is formed in the lower fixing plate 100, one end of the driving shaft 500 extends out of the lower fixing plate 100 along the communication hole, a driving member 400 is disposed on the driving shaft 500, the driving member 400 is generally polygonal or circular, and a user rotates the driving shaft 500 by rotating the driving member 400, so as to rotate the upper rotating plate 200, thereby adjusting the projection direction of the projector.

Referring to fig. 2, in an alternative embodiment, the driving member 400 is located at the rear end of the lower fixing plate 100, a rear adjusting member 600 is provided at the rear position of the lower end of the lower fixing plate 100, and a front adjusting member is provided at the front part of the lower end of the lower fixing plate 100; and the length of the rear adjusting member 600 is not longer than that of the front adjusting member.

In an alternative embodiment, the lower end of the lower fixing plate 100 is provided with a lower threaded hole in which the rear adjusting member 600 is screwed.

In an alternative embodiment, the rear adjusting member 600 includes a threaded rod 601 and an adjusting portion 602, one end of the threaded rod 601 is disposed in the lower threaded hole, and the other end is fixedly disposed on the adjusting portion 602.

Referring to fig. 2, in an alternative embodiment, the adjusting part 602 has a first end face and a second end face opposite to each other, one end of the threaded rod 601 is connected with the first end face, and an inclined face 110 is arranged between the second end face and the first end face; and the area of the first end surface is larger than that of the second end surface.

Because the desktop of the conference table on which the projector is arranged is generally lower, in order to obtain a better projection effect, the front end of the general projector is higher than the rear end of the projector, so that the projection of the projector is projected in an upward inclined manner, the position of the projection is higher, and people can watch the projection conveniently.

The driving member 400 is arranged at the rear end of the lower fixing plate 100, the rear adjusting member 600 is arranged adjacent to the driving member 400, and the front adjusting member is arranged at the front end of the lower fixing plate 100; when the projector is obliquely arranged, in order to better enable the rear adjusting part 600 to be in contact with a desktop, the adjusting part 602 of the rear adjusting part 600 is provided with the inclined surface 110, the first end surface of the adjusting part 602 of the rear adjusting part 600 is a plane, the threaded rod 601 is arranged on the first end surface, the second end surface is also a plane, the inclined surface 110 is formed between the edge of the second end surface and the edge of the first end surface, and the inclined surface 110 is generally in contact with the desktop, so that the fixing device of the projector can be stably placed on the desktop.

The utility model provides a pair of fixing device's of projector last rotating plate 200 is used for fixed projector, place the projector after on last rotating plate 200, through rotation driving axle 500, driving axle 500 makes last rotating plate 200 can be at the 700 internal rotations of mounting groove, and then realize the fine setting to the projection of projector, avoid through removing the difficult projector that makes of whole projector throw to adjust the correct problem, made things convenient for the regulation to of projection of projector, make the projector also can be quick regulation at the conference table.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.

Claims

1. A fixing device of a projector is characterized by comprising a fixing device main body, wherein the fixing device main body comprises a lower fixing plate (100) and an upper rotating plate (200), and a fixing hole (300) for fixing the projector is formed in the upper rotating plate (200);

a mounting groove (700) is formed in the lower fixing plate (100), and the upper rotating plate (200) is disposed in the mounting groove (700); a rotating hole (800) is formed in the center line of the mounting groove (700), a rotating column (130) is arranged on one side, facing the mounting groove (700), of the upper rotating plate (200), and the rotating column (130) is rotatably arranged in the rotating hole (800);

a driving hole (900) is formed in the mounting groove (700), a driving shaft (500) is formed in the driving hole (900), and a rotary rack (120) is arranged on the periphery of the upper rotary plate (200) facing the mounting groove (700);

the driving shaft (500) is engaged with the rotating rack (120), and the driving shaft (500) can rotate the upper rotating plate (200) in the mounting groove (700) by rotating.

2. A fixing apparatus of a projector according to claim 1, wherein the lower fixing plate (100) is provided with a communicating hole communicating with the driving hole (900), the driving shaft (500) extends out of the lower fixing plate (100) along the communicating hole, and a portion of the driving shaft (500) outside the lower fixing plate (100) is provided with the driving member (400).

3. The fixing device of a projector according to claim 2, wherein the driving member (400) is located at the rear end of the lower fixing plate (100), a rear adjusting member (600) is provided at the rear position of the lower end of the lower fixing plate (100), and a front adjusting member is provided at the front part of the lower end of the lower fixing plate (100); and the rear adjusting member (600) has a length not longer than the front adjusting member.

4. A fixing device of a projector as claimed in claim 3, wherein the lower end of the lower fixing plate (100) is provided with a lower screw hole, and the rear adjusting member (600) is screwed in the lower screw hole.

5. The fixing device of a projector according to claim 4, wherein the rear adjusting member (600) comprises a threaded rod (601) and an adjusting portion (602), one end of the threaded rod (601) is disposed in the lower threaded hole, and the other end of the threaded rod is fixed to the adjusting portion (602).

6. A fixing device of a projector as claimed in claim 5, wherein said adjusting portion (602) has a first end face and a second end face opposite to each other, one end of said threaded rod (601) is connected to said first end face, and an inclined face (110) is provided between said second end face and said first end face; and the area of the first end surface is larger than that of the second end surface.