Classroom multimedia projector suspension mounting rack

Abstract

The utility model relates to the technical field of projector installation, in particular to a classroom multimedia projector suspension installation frame, which can be used for installing different models of projectors, improves the practicability, and comprises an installation hanging bracket, a plurality of installation holes are arranged on the installation hanging bracket, a connecting rod is arranged at the bottom end of the installation hanging bracket, and the connecting rod is connected with the installation hanging bracket. A mounting disc is arranged at the bottom end of the connecting rod, a plurality of rotating shafts are arranged on the mounting disc, each rotating shaft is rotationally connected with an unfolding arm, a sliding groove with an upper opening and a lower opening is formed in each unfolding arm, a sliding block is slidably connected into each sliding groove, and a connecting assembly is fixedly arranged at the bottom of each sliding block; the connecting assembly comprises a connecting piece and a mounting piece, the connecting piece and the mounting piece are fixedly connected, a through hole is formed in the mounting piece, a bolt is arranged at the top of the sliding block, a nut used for fixing the sliding block is connected to the bolt through threads, scales are arranged on each extension arm, and the rotating shaft is a damping rotating shaft.

Description

Technical Field

[0001] The utility model relates to the technical field of projector installation, in particular to a classroom multimedia projector suspension installation frame. Background Art

[0002] As we all know, with the country's emphasis on education, various smart devices in schools are gradually increasing, especially multimedia classrooms must be equipped with projectors, and projectors are generally suspended to avoid accidental touch and obstruction by students. When installing the projector, a suspension mounting bracket is required to make the installation of the projector more convenient.

[0003] However, the existing traditional projector suspension mounting frame has a simple structure and cannot be adjusted. The projector can only use a matching suspension mounting frame. The existing projector suspension mounting frame cannot be adapted to projectors of different models, resulting in low practicality of the existing projector suspension mounting frame. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides a classroom multimedia projector suspension mounting bracket, which can be used to mount projectors of different models, thereby improving practicability.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a classroom multimedia projector suspension mounting bracket, including a mounting bracket, a plurality of mounting holes are arranged on the mounting bracket, a connecting rod is arranged at the bottom end of the mounting bracket, a mounting plate is arranged at the bottom end of the connecting rod, a plurality of rotating shafts are arranged on the mounting plate, each of the rotating shafts is rotatably connected to an expansion arm, each of the expansion arms is provided with a slide groove with upper and lower openings inside, each of the slide grooves is slidably connected to a slider, and a connecting component is fixedly arranged at the bottom of each slider.

[0008] Furthermore, the connection assembly includes a connection plate and a mounting plate, the connection plate and the mounting plate are fixedly connected, and the mounting plate is provided with a through hole.

[0009] Furthermore, a bolt is provided on the top of the sliding block, and a nut for fixing the sliding block is threadedly connected to the bolt.

[0010] Furthermore, each of the extension arms is provided with a scale.

[0011] Furthermore, the rotating shaft is a damping rotating shaft.

[0012] (III) Beneficial effects

[0013] Compared with the prior art, the utility model provides a classroom multimedia projector suspension mounting bracket, which has the following beneficial effects:

[0014] The classroom multimedia projector suspension mounting bracket can rotate the extension arm to adjust the rotation angle of the extension arm through the setting of the rotating shaft, and can adjust the position of the connecting component through the setting of the sliding groove and the sliding block. Therefore, the projector suspension mounting bracket can be adapted to projectors of different models, so that projectors of different models can be installed, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 It is a schematic cross-sectional structure diagram of the extension arm of the utility model.

[0017] In the figure: 1. installation bracket; 2. connecting rod; 3. installation plate; 4. rotating shaft; 5. extension arm; 6. slide groove; 7. slider; 8. bolt; 9. nut; 10. connecting plate; 11. installation plate; 12. through hole; 13. installation hole. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-2 The utility model discloses a classroom multimedia projector suspension mounting bracket, comprising a mounting bracket 1, a plurality of mounting holes 13 are arranged on the mounting bracket 1, a connecting rod 2 is arranged at the bottom end of the mounting bracket 1, a mounting plate 3 is arranged at the bottom end of the connecting rod 2, a plurality of rotating shafts 4 are arranged on the mounting plate 3, and an expansion arm 5 can be rotated to adjust the rotation angle of the expansion arm 5, each rotating shaft 4 is rotatably connected to the expansion arm 5, each expansion arm 5 is provided with a slide groove 6 with upper and lower openings inside, each slide groove 6 is slidably connected with a slider 7, the slider 7 slides inside the slide groove 6 to adjust the position of the connecting component, and a connecting component is fixedly arranged at the bottom of each slider 7.

[0020] The connection assembly includes a connection plate 10 and a mounting plate 11 , the connection plate 10 and the mounting plate 11 are fixedly connected, and a through hole 12 is provided on the mounting plate 11 for the mounting bolt 8 to pass through.

[0021] Among them, a bolt 8 is arranged on the top of the sliding block 7, and a nut 9 for fixing the sliding block 7 is threadedly connected to the bolt 8. After tightening the nut 9, the position of the sliding block 7 can be fixed.

[0022] Wherein, each extension arm 5 is provided with a scale, so that the position of the connecting component can be accurately adjusted in advance.

[0023] Among them, the rotating shaft 4 is a damping rotating shaft.

[0024] To sum up, when using this classroom multimedia projector suspension mounting bracket, the mounting bracket 1 is installed on the wall of the classroom, and then the extension arm 5 is rotated and the slider 7 is moved to move the connecting component to a suitable position, so that each connecting component and the installation position on the projector are adapted, and then the projector is installed using bolts 8.

[0025] The technical terms or scientific terms used in the description of this application should be the common meanings understood by ordinary technicians in the field to which this application belongs. The words "upper", "lower", "left", "right", "center", "vertical", "horizontal", "inside", "outside" and other words indicating orientation used in the description of this application are only used to indicate relative directions or positional relationships, and do not imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation. When the absolute position of the described object changes, its relative positional relationship may also change accordingly, so it cannot be understood as a limitation on this application. The "first", "second", "third" and similar terms used in the description of this application are only used for descriptive purposes to distinguish different components, and cannot be understood as indicating or implying relative importance.

[0026] The words "one", "an" or "the" and the like used in the description of this application should not be understood as an absolute limitation on quantity, but should be understood as the existence of at least one. The words "include" or "comprise" and the like used in the description of this application mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, but do not exclude other elements or objects.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A classroom multimedia projector suspension mounting bracket, comprising a mounting bracket (1), wherein the mounting bracket (1) is provided with a plurality of mounting holes (13), characterized in that: A connecting rod (2) is provided at the bottom end of the mounting hanger (1), a mounting plate (3) is provided at the bottom end of the connecting rod (2), a plurality of rotating shafts (4) are provided on the mounting plate (3), each of the rotating shafts (4) is rotatably connected to an expansion arm (5), each of the expansion arms (5) is provided with a sliding groove (6) with upper and lower openings inside, each of the sliding grooves (6) is slidably connected to a slider (7), and a connecting component is fixedly provided at the bottom of each slider (7).

2. A classroom multimedia projector suspension mounting bracket according to claim 1, characterized in that: The connection assembly comprises a connection piece (10) and a mounting piece (11); the connection piece (10) and the mounting piece (11) are fixedly connected; and a through hole (12) is provided on the mounting piece (11).

3. The classroom multimedia projector suspension mounting bracket according to claim 1, characterized in that: A bolt (8) is arranged on the top of the sliding block (7), and a nut (9) for fixing the sliding block (7) is threadedly connected to the bolt (8).

4. The classroom multimedia projector suspension mounting bracket according to claim 1, characterized in that: Each of the extension arms (5) is provided with a scale.

5. The classroom multimedia projector suspension mounting bracket according to claim 1, characterized in that: The rotating shaft (4) is a damping rotating shaft.

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