Multifunctional hoisting equipment for teaching

Abstract

The utility model relates to the technical field of multimedia teaching, and discloses a multifunctional hoisting device for teaching, which comprises a projection device body, a sliding seat and an adjusting mechanism, the sliding seat comprises a sliding rail, two ends of the sliding rail are provided with fixing blocks fixedly mounted on the top wall of a wall body, the sliding rail is internally provided with electric rail grooves which are oppositely arranged, and the electric rail grooves are fixedly mounted on the top wall of the wall body. The adjusting mechanism comprises an electric push rod, a sliding table matched with the sliding rails is arranged at the upper end of the electric push rod, the sliding table extends into the electric rail grooves in the two sides, the electric sliding rails on the two sides are matched with the sliding table, and a driving box is arranged at the lower end of the electric push rod. A rotating shaft rod is rotationally arranged at the lower end of the driving box, a driving motor for driving the rotating shaft rod to rotate is arranged in the driving box, and a damping universal joint is arranged at the lower end of the rotating shaft rod. Compared with the prior art, the utility model has the advantage that the requirement of projecting a plurality of pictures on different wall positions can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of multimedia teaching, in particular to multifunctional lifting equipment for teaching. Background Art

[0002] In order to improve teaching efficiency and make the classroom more vivid, multimedia teaching methods are often used, that is, multimedia projectors are used to project images in the classroom. The current projector is a device that can project images. When in use, it is placed on a fixed table or hung on the wall using a hanger.

[0003] However, since classrooms are generally large in area, and some special types of classrooms such as large classrooms and tiered classrooms are even larger, the above-mentioned method of using the projection equipment can only project the picture onto the wall in one direction. Moreover, since the classroom area is large, the installation location of the projection equipment is relatively strict, and it is necessary to have a certain distance between it and the wall. This method of use cannot meet the requirements when it is needed to project the picture onto the wall in other directions. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] The technical problem to be solved by the utility model is that due to the large area of ​​the classroom, only using a projection device at a fixed position cannot meet the demand of projecting multiple images on different wall positions.

[0006] (II) Technical solution

[0007] In order to solve the above technical problems, the technical solution provided by the utility model is: a multifunctional lifting equipment for teaching, including a projection equipment body, a slide seat and an adjustment mechanism, the slide seat includes a slide rail, both ends of the slide rail are provided with fixed blocks fixedly installed on the top wall of the wall, the slide rail is provided with relatively arranged electric rail grooves, the electric rail grooves on both sides are provided with electric slide rails, the adjustment mechanism includes an electric push rod, the upper end of the electric push rod is provided with a slide table cooperating with the slide rail, the slide table extends into the electric rail grooves on both sides, the electric slide rails on both sides cooperate with the slide table, the lower end of the electric push rod is provided with a driving box, the lower end of the driving box is rotatably provided with a rotating shaft rod, the driving box is provided with a driving motor that drives the rotating shaft rod to rotate, the lower end of the rotating shaft rod is provided with a damping universal joint, and the projection equipment body is connected to the damping universal joint.

[0008] As an improvement, a driving motor is provided in the driving box, and an output end of the driving motor is fixedly connected to the rotating shaft.

[0009] As an improvement, the fixing blocks are all fixedly connected with mounting plates which are arranged opposite to each other, and the mounting plates are all provided with mounting holes which are connected with the top wall of the wall.

[0010] As an improvement, the upper end of the electric push rod is fixedly connected to the bottom surface of the slide, and the lower end of the electric push rod is fixedly connected to the top surface of the drive box.

[0011] As an improvement, the electric push rod, the driving motor and the electric slide rail are all controlled by a wireless remote controller.

[0012] As an improvement, the mounting hole is connected to the top wall of the wall through expansion screws.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model has the following advantages: the slide rail is fixedly installed on the top wall of the wall in the classroom through the mounting plate, the electric slide rail in the electric rail groove can drive the driving mechanism to translate and adjust the position along the slide rail, the driving mechanism can adjust the height of the projection device body, and can drive the projection device body to rotate in the horizontal direction, the damping universal joint can fine-tune the angle of the projection device body, so that the projection device body can be driven to move to multiple positions in the classroom and project images on walls at different positions, which can be suitable for different multimedia teaching projection situations. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a schematic diagram of the use state of a multifunctional lifting device for teaching.

[0016] Figure 2 The utility model is a structural schematic diagram of a projection device body, a slide table and an adjustment mechanism of a multifunctional lifting device for teaching.

[0017] Figure 3 The utility model is a structural schematic diagram of a sliding seat of a multifunctional lifting device for teaching.

[0018] Figure 4 The utility model is a side sectional view of a slide rail of a multifunctional lifting device for teaching.

[0019] As shown in the figure: 1. Slide seat; 2. Slide rail; 3. Fixed block; 4. Mounting plate; 5. Electric rail groove; 6. Adjustment mechanism; 7. Electric push rod; 8. Slide table; 9. Drive box; 10. Rotating shaft; 11. Damping universal joint; 12. Projection equipment body. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] Embodiment 1

[0022] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a multifunctional lifting equipment for teaching includes a projection equipment body 12, a slide seat 1 and an adjustment mechanism 6, the slide seat 1 includes a slide rail 2, both ends of the slide rail 2 are provided with fixed blocks 3 fixedly mounted on the top wall of the wall, the fixed blocks 3 are fixedly connected with relatively arranged mounting plates 4, the mounting plates 4 are provided with mounting holes connected to the top wall of the wall, and the mounting holes are connected to the top wall of the wall through expansion screws, the slide rail 2 is provided with relatively arranged electric rail grooves 5, the electric slide rails 2 are provided in the electric rail grooves 5 on both sides, the adjustment mechanism 6 includes an electric push rod 7, the upper end of the electric push rod 7 is provided with a slide table 8 cooperating with the slide rail 2, the slide table 8 extends into the electric rail grooves 5 on both sides, and the electric slide rails 2 on both sides cooperate with the slide table 8.

[0023] Through the above structure, the electric slide rail 2 can drive the adjustment mechanism 6 to move horizontally, and how to adjust the height and horizontal angle of the projection device body 12, the specific structure is as follows:

[0024] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a driving box 9 is provided at the lower end of the electric push rod 7, the upper end of the electric push rod 7 is fixedly connected to the bottom surface of the slide 8, the lower end of the electric push rod 7 is fixedly connected to the top surface of the driving box 9, the lower end of the driving box 9 is rotatably provided with a rotating shaft 10, a driving motor for driving the rotating shaft 10 to rotate is provided in the driving box 9, a driving motor is provided in the driving box 9, the output end of the driving motor is fixedly connected to the rotating shaft 10, a damping universal joint 11 is provided at the lower end of the rotating shaft 10, and the projection device body 12 is connected to the damping universal joint 11.

[0025] Through the above structure, the height and horizontal angle of the projection device body 12 can be adjusted.

[0026] Embodiment 2

[0027] like Figure 2 and Figure 3 As shown, the electric push rod 7, the driving motor and the electric slide rail 2 are all controlled by a wireless remote controller.

[0028] Through the above structure, the electric push rod 7, the drive motor and the electric slide rail 2 can be conveniently controlled by a wireless remote controller.

[0029] When the utility model is implemented, before use, the fixing blocks at both ends of the slide rail are first pressed against the top wall of the wall in the classroom, and the mounting plate is fixedly connected to the wall using expansion screws, so that the slide seat can be fixedly installed on the top wall in the classroom. During use, when the projection device body needs to be translated, the electric slide rail is turned on, and the slide table can be driven to translate along the electric rail groove, thereby driving the projection device body to translate;

[0030] When the height of the projection device body needs to be adjusted, the electric push rod is turned on, and the extension and retraction of the electric push rod can drive the projection device body to rise and fall, thereby adjusting the height of the projection device body; when the projection device body needs to be rotated, the drive motor in the drive box is turned on, and the output end of the drive motor drives the rotating shaft to rotate, thereby driving the projection device body to rotate, thereby adjusting the angle of the projection device body in the horizontal direction; with the cooperation of the damping universal joint, the projection angle of the projection device body can be fine-tuned, so that when the teaching projection requirements are different, it is convenient to move the projection device body in a large classroom to meet the needs of different projection screen positions.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0032] Although the 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.

[0033] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A multifunctional lifting device for teaching, comprising a projection device body (12), characterized in that: It also comprises a slide seat (1) and an adjustment mechanism (6), wherein the slide seat (1) comprises a slide rail (2), both ends of the slide rail (2) are provided with fixing blocks (3) fixedly mounted on the top wall of the wall, the slide rail (2) is provided with electric rail grooves (5) arranged opposite to each other, and the electric slide rails (2) are provided in the electric rail grooves (5) on both sides; The adjustment mechanism (6) comprises an electric push rod (7), the upper end of which is provided with a slide table (8) cooperating with the slide rail (2), the slide table (8) extending into the electric rail grooves (5) on both sides, the electric slide rails (2) on both sides cooperate with the slide table (8), the lower end of the electric push rod (7) is provided with a drive box (9), the lower end of the drive box (9) is rotatably provided with a rotating shaft (10), the drive box (9) is provided with a driving motor for driving the rotating shaft (10) to rotate, the lower end of the rotating shaft (10) is provided with a damping universal joint (11), and the projection device body (12) is connected to the damping universal joint (11).

2. The multifunctional lifting equipment for teaching according to claim 1, characterized in that: The drive box (9) is provided with a drive motor, and the output end of the drive motor is fixedly connected to the rotating shaft (10).

3. The multifunctional lifting equipment for teaching according to claim 1, characterized in that: The fixing blocks (3) are all fixedly connected with mounting plates (4) arranged opposite to each other, and the mounting plates (4) are all provided with mounting holes connected to the top wall of the wall.

4. The multifunctional lifting equipment for teaching according to claim 1, characterized in that: The upper end of the electric push rod (7) is fixedly connected to the bottom surface of the slide table (8), and the lower end of the electric push rod (7) is fixedly connected to the top surface of the drive box (9).

5. The multifunctional lifting equipment for teaching according to claim 2, characterized in that: The electric push rod (7), the driving motor and the electric slide rail (2) are all controlled by a wireless remote controller.

6. The multifunctional lifting equipment for teaching according to claim 3 is characterized in that: The mounting hole is connected to the top wall of the wall through expansion screws.

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