Classroom projector with adjusting structure

Abstract

The utility model relates to the technical field of classroom projectors, in particular to a classroom projector with an adjusting structure, which comprises a machine body comprising a projection machine, and one end of the projection machine is connected with a ceiling; the adjusting mechanism comprises a mounting column, the mounting column is fixed to one end of the ceiling, an adjusting groove is formed in the surface of the mounting column, an adjusting column is movably connected to the inner side of the mounting column, an adjusting clamping block is fixedly connected to the surface of the adjusting column, and a connecting block A is movably connected to the surface of the mounting column; the surface of the mounting column is fixedly connected with a connecting block B, and the inner side of the connecting block B is movably connected with a rotating shaft. According to the utility model, the adjusting fixture block is fixed under the action of the adjusting column, the connecting block B is fixed under the action of the mounting column, and the rotating shaft is moved under the action of the connecting block B.

Description

Technical Field

[0001] The utility model relates to the technical field of projectors, in particular to a classroom projector with an adjustment structure. Background Art

[0002] With the day and night research of countless scientists, the study of optics has become more and more in-depth, so many optical instruments have been developed, among which the projector is one of them. A projector, also known as a projector, is a device that can project images or videos onto a screen. It can be connected to computers, VCDs, DVDs, etc. through different interfaces to play corresponding video signals. Projectors are widely used in homes, offices, schools and entertainment venues.

[0003] In order to meet the space requirements, classroom projectors can only be fixed on the ceiling, but the existing projector mounting brackets have single functions, complex structures, and are not equipped with adjustment functions, and cannot meet the flexibility requirements and cannot better meet the users' requirements for height adjustment of the projector equipment after installation. Utility Model Content

[0004] The purpose of the utility model is to provide a classroom projector with an adjustment structure to solve the problem that the existing classroom projector mounting bracket proposed in the above background technology is not equipped with an adjustment function, cannot meet the flexibility requirements, and cannot better meet the user's needs for height adjustment of the projector equipment after installation.

[0005] To achieve the above object, the utility model provides the following technical solution, a classroom projector with an adjustment structure, comprising:

[0006] The body includes a projection machine, one end of which is connected to the ceiling;

[0007] The adjustment mechanism includes a mounting column, which is fixed to one end of the ceiling, an adjustment groove is opened on the surface of the mounting column, an adjustment column is movably connected to the inner side of the mounting column, an adjustment clamp is fixedly connected to the surface of the adjustment column, a connecting block A is movably connected to the surface of the mounting column, a connecting block B is fixedly connected to the surface of the mounting column, a rotating shaft is movably connected to the inner side of the connecting block B, the connecting block A is movably connected to the surface of the rotating shaft, a limiting plate is fixedly connected to the surface of the limiting plate, a fixed block is movably connected to the inner side of the limiting plate, and a movable clamp is fixedly connected to the surface of the connecting block A.

[0008] Preferably, the mounting column is in the shape of a hollow cylinder and acts on one end of the ceiling, the adjustment grooves are in two groups and act on the surface of the mounting column, the adjustment column is in the shape of a cylinder and acts on the inner side of the mounting column, the adjustment block is in the shape of a square and acts on the surface of the adjustment column, the adjustment block is in two groups, the adjustment column is movably connected to the mounting column through the adjustment block, and the adjustment column is fixedly connected to the mounting column through the adjustment groove.

[0009] Preferably, the connecting block A is in the shape of a circular block and acts on the surface of the mounting column, the connecting block B is in the shape of a block and acts on the surface of the mounting column, the rotating shaft is in the shape of a cylinder and acts on the inner side of the connecting block B, and the connecting block A is movably connected to the connecting block B through the rotating shaft.

[0010] Preferably, the limiting plate is in a square shape and acts on the surface of the mounting column, the fixed block is in an "L" shape and acts on the inner side of the limiting plate, the movable card block is in a block shape and acts on the surface of the connecting block A, and the movable card block is movably connected to the projection machine through the connecting block A and the connecting block B and the rotating shaft.

[0011] Preferably, the auxiliary mechanism includes a connecting plate, which is fixedly connected to one end of the adjusting column, and the connecting plate is in sheet form. One end of the projection machine is fixedly connected to a connecting strip A, and the connecting strip A is in the shape of a long strip, and the connecting strip A is in four groups.

[0012] Preferably, a connecting bar B is fixedly connected to one side of the connecting plate, the connecting bar B is in the shape of a rectangular long strip, the connecting bar B is in four groups, and a fixing groove is opened at one end of the connecting bar B, the fixing groove is in the shape of a rectangular long strip.

[0013] Preferably, one end of the connecting strip A is fixedly connected to a threaded column, the threaded column is cylindrical, and a rotating nut is movably connected to the surface of the threaded column. The connecting strip A is fixedly connected to the connecting strip B via the threaded column and the rotating nut.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. By adjusting the block under the action of the adjusting column, the adjusting block is fixed; by connecting block B under the action of the mounting column, the connecting block B is fixed; by connecting block B, the rotating shaft is movable; by connecting block A, the connecting block A rotates around the rotating shaft; by limiting plate under the action of the mounting column, the limiting plate is fixed; by fixing block under the action of the limiting plate, the fixed block is movable; by connecting block A, the movable block rotates around the rotating shaft; by fixing the movable block under the action of the fixed block, the movable block is fixed; by adjusting the column, the movable block is prevented from falling off the mounting column; by adjusting the column, the adjusting block and the adjusting slot, the height of the projection machine is adjusted, so that the height can be adjusted according to needs.

[0016] 2. The connecting plate is fixed by the adjusting column, the connecting strip A is fixed by the projector, the connecting strip B is fixed by the connecting plate, the projector is installed by the fixing groove, the threaded column and the rotating nut of the connecting strips A and B, so that the projector can be replaced with different sized projectors. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a top-down perspective schematic diagram of the structure of the utility model;

[0018] Figure 2 For this utility model Figure 1 A is an enlarged view of the structure;

[0019] Figure 3 This is an exploded side view of the structure of the installation column of the utility model;

[0020] Figure 4 For this utility model Figure 3 A magnified view of the structure of middle B;

[0021] Figure 5 This is a structural side exploded view of the connecting plate of the utility model.

[0022] In the figure: 1. Projection machine; 11. Ceiling; 2. Mounting column; 21. Adjustment slot; 22. Adjustment column; 23. Adjustment block; 24. Connecting block A; 25. Connecting block B; 26. Rotation axis; 27. Limiting plate; 28. Fixed block; 29. ​​Movable block; 3. Connecting plate; 31. Connecting strip A; 32. Connecting strip B; 33. Fixed slot; 34. Threaded column; 35. Rotation nut. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5 , an embodiment provided by the utility model:

[0025] A classroom projector having an adjustable structure is provided, comprising:

[0026] The body includes a projector 1, one end of which is connected to a ceiling 11;

[0027] The adjustment mechanism includes a mounting column 2, which is fixed at one end of the ceiling 11. An adjustment groove 21 is provided on the surface of the mounting column 2. An adjustment column 22 is movably connected to the inner side of the mounting column 2. An adjustment block 23 is fixedly connected to the surface of the adjustment column 22. A connecting block A24 is movably connected to the surface of the mounting column 2. A connecting block B25 is fixedly connected to the surface of the mounting column 2. A rotating shaft 26 is movably connected to the inner side of the connecting block B25. The connecting block A24 is movably connected to the surface of the rotating shaft 26. A limiting plate 27 is fixedly connected to the surface of the mounting column 2. A fixed block 28 is movably connected to the inner side of the limiting plate 27. A movable block 29 is fixedly connected to the surface of the connecting block A24.

[0028] Furthermore, the mounting column 2 is in the shape of a hollow cylinder and acts on one end of the ceiling 11. The adjusting grooves 21 are in two groups and act on the surface of the mounting column 2. The adjusting column 22 is in the shape of a cylinder and acts on the inner side of the mounting column 2. The adjusting block 23 is in the shape of a square and acts on the surface of the adjusting column 22. The adjusting block 23 is in two groups. The adjusting column 22 is movably connected to the mounting column 2 through the adjusting block 23. The adjusting column 22 is fixedly connected to the mounting column 2 through the adjusting groove 21. The adjusting block 23 is fixed under the action of the adjusting column 22.

[0029] Furthermore, the connecting block A24 is in the shape of a circular block and acts on the surface of the mounting column 2, the connecting block B25 is in the shape of a block and acts on the surface of the mounting column 2, the rotating shaft 26 is in the shape of a cylinder and acts on the inner side of the connecting block B25, the connecting block A24 is movably connected to the connecting block B25 through the rotating shaft 26, and the connecting block B25 is fixed under the action of the mounting column 2 through the connecting block B25, and the rotating shaft 26 is movable under the action of the connecting block B25 through the rotating shaft 26, and the connecting block A24 is rotated around the rotating shaft 26 under the action of the rotating shaft 26.

[0030] Furthermore, the limiting plate 27 is in a square shape and acts on the surface of the mounting column 2, the fixed block 28 is in an "L" shape and acts on the inner side of the limiting plate 27, and the movable block 29 is in a block shape and acts on the surface of the connecting block A24. The movable block 29 is movably connected to the projection machine 1 through the connecting block A24, the connecting block B25 and the rotating shaft 26. Under the action of the limiting plate 27 on the mounting column 2, the limiting plate 27 is fixed, and under the action of the fixed block 28 on the limiting plate 27, the fixed block 28 is movable. Under the action of the connecting block A24, the movable block 29 is rotated around the rotating shaft 26 as the axis. Under the action of the fixed block 28, the movable block 29 is fixed, and under the action of the adjusting column 22, the adjusting column 22 is prevented from falling off the mounting column 2.

[0031] Furthermore, the auxiliary mechanism includes a connecting plate 3, which is fixedly connected to one end of the adjusting column 22. The connecting plate 3 is in a sheet shape. One end of the projector 1 is fixedly connected with a connecting strip A31, which is in a long strip shape. The connected strips A31 are in four groups. Under the action of the adjusting column 22, the connecting plate 3 is fixed. Under the action of the projector 1, the connecting strips A31 are fixed.

[0032] Furthermore, a connecting bar B32 is fixedly connected to one side of the connecting plate 3. The connecting bar B32 is in the shape of a rectangular long strip. The connecting bar B32 is in four groups. A fixing groove 33 is opened at one end of the connecting bar B32. The fixing groove 33 is in the shape of a rectangular long strip. The connecting bar B32 is fixed under the action of the connecting plate 3 by the connecting bar B32.

[0033] Furthermore, one end of the connecting strip A31 is fixedly connected to a threaded column 34, which is cylindrical in shape. A rotating nut 35 is movably connected to the surface of the threaded column 34. The connecting strip A31 is fixedly connected to the connecting strip B32 through the threaded column 34 and the rotating nut 35. Through the action of the fixing groove 33, the threaded column 34 and the rotating nut 35, the connecting strip A31 and the connecting strip B32 can realize the function of installing the projection machine 1.

[0034] Working principle: When adjusting the required height of the projector 1, the adjusting column 22 is clamped on the adjusting groove 21 on the surface of the required installation column 2; when the adjusting column 22 needs to be removed, the two sets of fixing blocks 28 are separated outward, and the movable clamping block 29 and the connecting block A24 are rotated under the action of the connecting block B25 and the rotating shaft 26, and the adjusting column 22 and the adjusting clamping block 23 are removed along the adjusting groove 21. When installing the adjusting column 22, the reverse operation is sufficient; when installing the projector 1 at one end of the adjusting column 22, the connecting strip A31 together with the threaded column 34 is fixed to one end of the projector 1, the threaded column 34 is inserted into the fixing groove 33 of the connecting strip B32, and then the rotating nut 35 is rotated and fixed on the surface of the threaded column 34, and the projector 1 can be fixed.

[0035] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A classroom projector having an adjustable structure, characterized in that: include: The body comprises a projection machine (1), one end of the projection machine (1) being connected to a ceiling (11); The adjustment mechanism comprises a mounting column (2), wherein the mounting column (2) is fixed to one end of a ceiling (11), an adjustment groove (21) is provided on the surface of the mounting column (2), an adjustment column (22) is movably connected to the inner side of the mounting column (2), an adjustment clamping block (23) is fixedly connected to the surface of the adjustment column (22), a connecting block A (24) is movably connected to the surface of the mounting column (2), a connecting block B (25) is fixedly connected to the surface of the mounting column (2), a rotating shaft (26) is movably connected to the inner side of the connecting block B (25), the connecting block A (24) is movably connected to the surface of the rotating shaft (26), a limiting plate (27) is fixedly connected to the surface of the mounting column (2), a fixed block (28) is movably connected to the inner side of the limiting plate (27), and a movable clamping block (29) is fixedly connected to the surface of the connecting block A (24).

2. A classroom projector with an adjustable structure according to claim 1, characterized in that: The mounting column (2) is in the shape of a hollow cylinder and acts on one end of the ceiling (11); the adjusting grooves (21) are in two groups and act on the surface of the mounting column (2); the adjusting column (22) is in the shape of a cylinder and acts on the inner side of the mounting column (2); the adjusting block (23) is in the shape of a square and acts on the surface of the adjusting column (22); the adjusting block (23) is in two groups; the adjusting column (22) is movably connected to the mounting column (2) via the adjusting block (23); and the adjusting column (22) is fixedly connected to the mounting column (2) via the adjusting groove (21) and the mounting column (2).

3. A classroom projector with an adjustable structure according to claim 1, characterized in that: The connecting block A (24) is in the shape of a circular block and acts on the surface of the mounting column (2); the connecting block B (25) is in the shape of a block and acts on the surface of the mounting column (2); the rotating shaft (26) is in the shape of a cylinder and acts on the inner side of the connecting block B (25); the connecting block A (24) is movably connected to the connecting block B (25) via the rotating shaft (26).

4. A classroom projector with an adjustable structure according to claim 1, characterized in that: The limiting plate (27) is in a square shape and acts on the surface of the mounting column (2); the fixing block (28) is in an "L" shape and acts on the inner side of the limiting plate (27); the movable clamping block (29) is in a block shape and acts on the surface of the connecting block A (24); the movable clamping block (29) is movably connected to the projection machine (1) through the connecting block A (24), the connecting block B (25) and the rotating shaft (26).

5. A classroom projector with an adjustable structure according to claim 1, characterized in that: The auxiliary mechanism comprises a connecting plate (3), the connecting plate (3) is fixedly connected to one end of the adjusting column (22), the connecting plate (3) is in the form of a sheet, one end of the projector (1) is fixedly connected to a connecting strip A (31), the connecting strip A (31) is in the form of a long strip, and the connecting strip A (31) is in four groups.

6. A classroom projector with an adjustable structure according to claim 5, characterized in that: A connecting bar B (32) is fixedly connected to one side of the connecting plate (3), the connecting bar B (32) is in the shape of a rectangular strip, the connecting bar B (32) is in four groups, one end of the connecting bar B (32) is provided with a fixing groove (33), the fixing groove (33) is in the shape of a rectangular strip.

7. A classroom projector with an adjustable structure according to claim 5, characterized in that: One end of the connecting strip A (31) is fixedly connected to a threaded column (34), the threaded column (34) is cylindrical, and a rotating nut (35) is movably connected to the surface of the threaded column (34). The connecting strip A (31) is fixedly connected to the connecting strip B (32) via the threaded column (34) and the rotating nut (35).

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