Extensible multimedia teaching display stand

Abstract

The utility model discloses an extensible multimedia teaching display stand which comprises a fixing seat, a protrusion is integrally formed on the top of the fixing seat, a rotating shaft is rotatably connected to the top of the fixing seat, a rotating rod is fixedly connected to the position, close to the top end, of the outer wall of the circumference of the rotating shaft, and a camera is fixedly connected to the bottom of the rotating rod. And two sliding grooves are formed in the upper surface of the fixing base, fixing blocks are slidably connected into the two sliding grooves, second springs are fixedly connected to the tops of the fixing blocks, sliding blocks are fixedly connected to the top ends of the second springs, and sliding plates are fixedly connected to the tops of the sliding blocks. According to the display stand, the display stand can be stretched, the size of the display stand can be adjusted, the use effect of the display stand is improved, small objects can be prevented from falling into the sliding grooves in the use process of the display stand, the use effect of the display stand is further improved, the objects can be placed on the display stand more stably, and the display stand is more convenient to use. And the article placing stability of the display stand is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of teaching display platforms, in particular to an extendable multimedia teaching display platform. Background Art

[0002] The display stand is also called the physical display stand. When it is connected to a projector and a TV, it can clearly display materials, handouts, physical objects, slides, etc. It is one of the indispensable teaching equipment in a multimedia classroom.

[0003] As disclosed in the patent CN210383432U, a multimedia teaching physical display stand, the prior art has traditional physical display stands with a single structure, the size of the display stand cannot be adjusted, and the scope of application is limited. In order to solve such problems, this application proposes a multimedia teaching display stand with a new structure. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes an extendable multimedia teaching display stand.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A extendable multimedia teaching display table comprises a fixed seat, the top of the fixed seat is integrally formed with a protrusion, the top of the fixed seat is rotatably connected to a rotating shaft, the circumferential outer wall of the rotating shaft is fixedly connected to a rotating rod near the top, the bottom of the rotating rod is fixedly connected to a camera, the upper surface of the fixed seat is provided with two sliding grooves, both of the two sliding grooves are slidably connected with a fixed block, the top of the fixed block is fixedly connected with a spring 2, the top of the spring 2 is fixedly connected with a slider, the top of the slider is fixedly connected with a slide plate, and the slide plate is located above the fixed seat, one side of the fixed seat is provided with a fixing component for fixing the position of the slide plate after movement, and both sides of the fixed seat are provided with filling plates, and the filling plates are connected to the fixed seat through supporting components.

[0007] As a further solution of the utility model, the fixing assembly includes two springs one, the two springs one are fixedly connected to one side of the fixing seat, one side of the two springs one is fixedly connected to a movable plate, one side of the movable plate is fixedly connected to a square rod, and one side of the slide plate is provided with a square groove.

[0008] As a further solution of the utility model, a handle for pulling the movable plate to move is fixedly connected to the other side of the movable plate.

[0009] As a further solution of the utility model, a fixing column is fixedly connected to one side of the slide plate, and the fixing column passes through the movable plate, and one end of the fixing column is fixedly connected to a stop block for limiting the movable plate.

[0010] As a further solution of the utility model, a fixing rib is fixedly connected to one side of the fixing column, and the fixing rib is fixed to the slide plate.

[0011] As a further solution of the utility model, the supporting component is a plurality of plug rods, the plurality of plug rods are evenly fixedly connected to both sides of the fixing seat, and the plug rods are plugged into the filling plates.

[0012] As a further solution of the utility model, two telescopic rods are fixedly connected to the top of the fixed block, and the telescopic rods are fixed to the sliding block.

[0013] As a further solution of the utility model, the upper surfaces of the fixing seat and the slide plate are fixedly connected with rubber pads, and the top end of the rotating shaft is fixedly connected with a knob for rotating the rotating shaft.

[0014] The beneficial effects of the utility model are:

[0015] 1. Through the setting of the slide plate, the slide plate is pulled to move along the slide groove through the fixed block, so as to move the slide plate to one side of the fixed seat, and then the slide plate is pressed downward and fixed by the fixing component, so that the display stand can be extended, the size of the display stand can be adjusted, and the use effect of the display stand is improved.

[0016] 2. By setting the filling plate, after the display stand is extended by the moving slide, the slide groove on the fixed seat will be exposed. At this time, the slide groove can be filled with the filling plate to block the slide groove, thereby preventing small objects from falling into the slide groove during the use of the display stand, thereby further improving the use effect of the display stand.

[0017] 3. By setting the rubber pad, the rubber pad can increase the friction of the display stand, so that the items can be placed on the display stand more stably, thereby improving the stability of the display stand for placing items. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional structural schematic diagram of an extendable multimedia teaching display stand proposed by the utility model;

[0019] Figure 2 This is a partial enlarged structural schematic diagram of an extendable multimedia teaching display stand proposed by the utility model;

[0020] Figure 3 This is a schematic diagram of the enlarged structure of part A of an extendable multimedia teaching display stand proposed by the utility model;

[0021] Figure 4 This is a schematic cross-sectional structure diagram of a fixed plate of an extendable multimedia teaching display stand proposed by the utility model;

[0022] Figure 5 This is a schematic diagram of the fixed seat assembly structure of an extendable multimedia teaching display stand proposed by the utility model;

[0023] Figure 6 The utility model provides a schematic diagram of the enlarged structure of a slide plate of an extendable multimedia teaching display stand.

[0024] In the figure: 1. fixed seat; 2. rubber pad; 3. rotating shaft; 4. knob; 5. rotating rod; 6. camera; 7. slide plate; 8. square groove; 9. spring 1; 10. fixing rib; 11. fixing column; 12. blocking block; 13. handle; 14. moving plate; 15. spring 2; 16. slider; 17. fixing block; 18. slide groove; 19. telescopic rod; 20. filling plate; 21. plug rod. DETAILED DESCRIPTION

[0025] It should be noted that the terms "first", "second", etc. in the specification and claims of this application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence, so that the embodiments of the application described here, based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work should fall within the scope of protection of this application.

[0026] Reference Figure 1-Figure 6A kind of extendable multimedia teaching display platform comprises a fixed seat 1, the top of the fixed seat 1 is integrally formed with a protrusion, the top of the fixed seat 1 is rotatably connected with a rotating shaft 3, the circumferential outer wall of the rotating shaft 3 is fixed with a rotating rod 5 by bolts near the top, the bottom of the rotating rod 5 is fixed with a camera 6 by bolts, the upper surface of the fixed seat 1 is provided with two slide grooves 18, the two slide grooves 18 are slidably connected with a fixed block 17, the top of the fixed block 17 is welded with a spring 2 15, the top of the spring 2 15 is welded with a slider 16, the top of the slider 16 is fixed with a slide plate 7 by bolts, and the slide plate 7 is located above the fixed seat 1, one side of the fixed seat 1 is provided with a fixing component for fixing the position of the slide plate 7 after it moves, and both sides of the fixed seat 1 are provided with a filling plate 20 , and the filling plate 20 can be snap-fitted with the slide groove 18. The filling plate 20 is connected to the fixing seat 1 through the supporting component. The slide plate 7 is pulled to move, and the slide plate 7 will drive the slider 16 to move. The slider 16 drives the fixing block 17 to move along the slide groove 18 through the spring 2 15. When the slide plate 7 moves to the side of the protrusion of the fixing seat 1, the slide plate 7 is pressed to move downward, and the slide plate 7 will squeeze the spring 2 15. When the slide plate 7 moves downward to be flush with the protrusion of the fixing seat 1, the position of the slide plate 7 is fixed by the fixing assembly, and then the filling plate 20 is removed from the fixing seat 1 and put into the slide groove 18. The slide groove 18 is filled and closed, thereby completing the extension of the display stand, realizing the extension of the display stand, adjusting the size of the display stand, and improving the use effect of the display stand.

[0027] In the utility model, the fixing assembly includes two springs 9, and the two springs 9 are welded to one side of the fixing seat 1. A moving plate 14 is welded to one side of the two springs 9. A square rod is fixed to one side of the moving plate 14 by bolts. A square groove 8 is provided on one side of the slide plate 7, and the square rod and the square groove 8 can be plugged in. A handle 13 for pulling the moving plate 14 to move is welded on the other side of the moving plate 14. The moving plate 14 is pulled to move by the handle 13. The moving plate 14 will stretch the spring 9 and drive the square rod to move, and then the slide plate 7 can be pressed to move downward. When the slide plate 7 moves downward to be flush with the protrusion of the fixing seat 1, the handle 13 is released. At this time, the spring 9 will pull the moving plate 14 to reset, and the moving plate 14 will drive the square rod to move, so that the square rod is inserted into the square groove 8 on the slide plate 7 to fix the position of the slide plate 7. A fixing column 11 is fixed to one side of the slide plate 7 by bolts, and the fixing column 11 passes through the moving plate 14. The fixing column 11 The movement plays a guiding role. One end of the fixed column 11 is welded with a stop block 12 for limiting the moving plate 14. The stop block 12 can prevent the moving plate 14 from separating from the fixed column 11. A fixing rib 10 is welded on one side of the fixed column 11, and the fixing rib 10 is fixed to the slide plate 7. The fixing rib 10 can strengthen the connection between the fixed column 11 and the slide plate 7. The supporting component is a plurality of plug rods 21, and the plurality of plug rods 21 are evenly welded on both sides of the fixed seat 1, and the plug rods 21 are plugged with the filling plate 20. The filling plate 20 is plugged and placed by the plug rods 21, which is convenient for taking out the filling plate 20. The top of the fixed block 17 is fixed with two telescopic rods 19 by bolts, and the telescopic rods 19 are fixed to the slider 16. The slide plate 7 will squeeze the telescopic rod 19 to shrink during the downward movement. The upper surfaces of the fixed seat 1 and the slide plate 7 are bonded with rubber pads 2, and the rubber pads 2 can increase the friction between the slide plate 7 and the fixed seat 1. The top of the rotating shaft 3 is welded with a knob 4 for rotating the rotating shaft 3.

[0028] Working principle: when in use, pull the slide plate 7 to move, the slide plate 7 will drive the slider 16 to move, and the slider 16 will drive the fixed block 17 to move along the slide groove 18 through the spring 2 15. When the slide plate 7 moves to one side of the protrusion of the fixed seat 1, the movable plate 14 is pulled by the handle 13 to move, and the movable plate 14 will stretch the spring 1 9 and drive the square rod to move, and then press the slide plate 7 to move downward, the slide plate 7 will squeeze the spring 2 15 and squeeze the telescopic rod 19 to shrink. When the slide plate 7 moves downward to be flush with the protrusion of the fixed seat 1, release the handle 13, at this time, the spring 1 9 will pull the movable plate 14 to reset and move, and the movable plate 14 will drive the square rod to move, so that the square rod is inserted into the square groove 8 on the slide plate 7, and the position of the slide plate 7 is fixed. Then the filling plate 20 is removed from the fixed seat 1 and put into the slide groove 18, and the slide groove 18 is filled and closed, thereby completing the extension of the display stand, which can realize the extension of the display stand, adjust the size of the display stand, and improve the use effect of the display stand.

[0029] The present invention has been described through the above-mentioned embodiments. Those skilled in the art will appreciate that the present invention is not limited to the above-mentioned embodiments, and more modifications may be made according to the teachings of the present invention. These modifications are all within the scope of protection claimed by the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An extendable multimedia teaching display stand, comprising a fixing seat (1), wherein a protrusion is integrally formed on the top of the fixing seat (1), characterized in that: The top of the fixed seat (1) is rotatably connected to a rotating shaft (3), a rotating rod (5) is fixedly connected to the position of the circumferential outer wall of the rotating shaft (3) near the top, and a camera (6) is fixedly connected to the bottom of the rotating rod (5). The upper surface of the fixed seat (1) is provided with two sliding grooves (18), and the two sliding grooves (18) are slidably connected with a fixed block (17), the top of the fixed block (17) is fixedly connected to a spring 2 (15), the top of the spring 2 (15) is fixedly connected to a slider (16), the top of the slider (16) is fixedly connected to a slide plate (7), and the slide plate (7) is located above the fixed seat (1), and one side of the fixed seat (1) is provided with a fixing component for fixing the position of the slide plate (7) after it moves, and both sides of the fixed seat (1) are provided with filling plates (20), and the filling plates (20) are connected to the fixed seat (1) through a supporting component.

2. The extendable multimedia teaching display stand according to claim 1, characterized in that: The fixing assembly comprises two springs (9), the two springs (9) are fixedly connected to one side of the fixing seat (1), one side of the two springs (9) is fixedly connected to a moving plate (14), one side of the moving plate (14) is fixedly connected to a square rod, and one side of the sliding plate (7) is provided with a square groove (8).

3. The extendable multimedia teaching display stand according to claim 2, characterized in that: A handle (13) for pulling the movable plate (14) to move is fixedly connected to the other side of the movable plate (14).

4. The extendable multimedia teaching display stand according to claim 2, characterized in that: A fixed column (11) is fixedly connected to one side of the slide plate (7), and the fixed column (11) passes through the movable plate (14). One end of the fixed column (11) is fixedly connected to a stop block (12) for limiting the movable plate (14).

5. The extendable multimedia teaching display stand according to claim 4, characterized in that: A fixing rib (10) is fixedly connected to one side of the fixing column (11), and the fixing rib (10) is fixed to the slide plate (7).

6. The extendable multimedia teaching display stand according to claim 1, characterized in that: The supporting components are a plurality of insertion rods (21), the plurality of insertion rods (21) are evenly fixedly connected to both sides of the fixing seat (1), and the insertion rods (21) are plugged into the filling plates (20).

7. The extendable multimedia teaching display stand according to claim 1, characterized in that: Two telescopic rods (19) are fixedly connected to the top of the fixed block (17), and the telescopic rods (19) are fixed to the sliding block (16).

8. The extendable multimedia teaching display stand according to claim 1, characterized in that: The upper surfaces of the fixing seat (1) and the sliding plate (7) are both fixedly connected with a rubber pad (2), and the top end of the rotating shaft (3) is fixedly connected with a knob (4) for rotating the rotating shaft (3).

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