CN206714415U - A kind of multimedia teaching playback equipment - Google Patents

Abstract

The utility model discloses a kind of multimedia teaching playback equipment, including base, the both sides of base top have been fixedly connected with fixing axle, the top movable of fixing axle is connected with threaded rod, surface at the top of threaded rod is socketed with thread bush, it is fixedly connected with workbench at the top of thread bush, the surface activity of threaded rod is connected with the first angular wheel, the both sides of base top and has been fixedly connected with fix bar between two threaded rods.The utility model is by setting electric expansion bar and fixed mount, the effect that electric expansion bar lifting drives fixed mount lifting is reached, pass through the cooperation of rotating disk and rotary shaft, the effect that turntable rotation drives rotary shaft to rotate is reached, finally by the setting of threaded rod and thread bush, has reached threaded rod rotation and driven thread bush lifting, the effect that the height of workbench is adjusted, solve that multi-media platform is highly unadjustable simultaneously, have impact on the operation of teacher, reduction give lessons efficiency the problem of.

Description

A multimedia lecture playing device

technical field

The utility model relates to the technical field of teaching aids, in particular to a multimedia lecture playing device.

Background technique

The multimedia podium is a product that integrates the podium and the computer. As a podium, the multimedia podium completely requires the standard design of the daily podium, and adopts the principle of ergonomics, which meets the needs of teachers' teaching. In addition to having the function of an ordinary podium In addition, a computer is integrated inside it, and there is a monitor on the desktop. Due to the integrated design, the appearance of the podium is neat and beautiful. In the traditional teaching practice, teachers use blackboard writing to prepare lessons. Teaching is very troublesome, time-consuming and labor-intensive, the teaching process is not vivid enough, and the effect is not ideal. However, when using multimedia to teach, because each teacher is different in height, most of the height of the multimedia platform cannot be adjusted, which affects the teacher's operation and reduces the teaching effect. efficiency.

Utility model content

The purpose of this utility model is to provide a multimedia lecture playback device, which has the advantages of adjustable height of the multimedia platform, which is convenient for the teacher to operate and improves the teaching efficiency, and solves the problem that the height of the multimedia platform cannot be adjusted, which affects the teacher's operation and reduces the teaching efficiency. .

In order to achieve the above purpose, the utility model provides the following technical solutions: a multimedia lecture playing device, including a base, fixed shafts are fixedly connected to both sides of the top of the base, and threaded rods are movably connected to the top of the fixed shaft, so The surface of the top of the threaded rod is sleeved with a threaded sleeve, the top of the threaded sleeve is fixedly connected with a workbench, the surface of the threaded rod is movably connected with a first bevel gear, and the two sides of the top of the base are located at two A fixed rod is fixedly connected between the threaded rods, and a bearing is fixedly connected to the side of the fixed rod close to the threaded rod, and a groove is opened on the top of the base and between the two fixed rods, and the groove An electric telescopic rod is provided, the top of the electric telescopic rod is fixedly connected with a fixed frame, the inside of the fixed frame is fixedly connected with a sleeve, and one side of the inner wall of the fixed frame is fixedly connected with a cross bar, and the cross bar is far away from One end on one side of the inner wall of the fixed frame runs through the sleeve and is fixedly connected to the other side of the inner wall of the fixed frame. The surface of the cross bar located at the inner end of the sleeve is movably connected with a movable rod, and the end of the movable rod away from the cross bar extends to the sleeve. The outside of the tube is movably connected with a connecting rod, and the end of the connecting rod far away from the movable rod is fixedly connected with a turntable, and the center axis of the turntable near the side of the fixed rod is fixedly connected with a rotating shaft, and the end of the rotating shaft far away from the turntable is sequentially A second bevel gear cooperating with the first bevel gear runs through the fixed rod and the bearing and is fixedly connected to it. A controller is fixedly connected to the bottom of the left side of the workbench, and the controller is electrically connected to the electric telescopic rod.

Preferably, a clamping pad is fixedly connected to the inside of the groove, and the clamping pad is in contact with the surface of the bottom of the electric telescopic rod.

Preferably, a storage box is provided on the right side of the workbench, and the storage box is fixedly connected to the right side of the workbench through a fixing piece.

Preferably, a drawer is movably connected to the central axis of the front bottom of the workbench, and a handle is fixedly connected to the surface of the drawer.

Preferably, the surface of the threaded rod is provided with external threads, and the inside of the threaded sleeve is provided with internal threads that cooperate with the external threads.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. The utility model achieves the effect that the electric telescopic rod lifts and drives the fixed frame to lift by setting the electric telescopic rod and the fixed frame. Through the cooperation of the turntable and the rotating shaft, the effect of the rotation of the turntable driving the rotation of the rotating shaft is achieved. Finally, through the threaded rod The setting with the threaded sleeve achieves the effect of the rotation of the threaded rod driving the threaded sleeve up and down to adjust the height of the workbench. At the same time, it solves the problem that the height of the multimedia platform cannot be adjusted, which affects the teacher's operation and reduces the teaching efficiency.

2. Through the setting of the storage box, the utility model can facilitate the teacher to store items, prevent things from being misplaced, and avoid loss. The setting of the tight pad can clamp and fix the bottom of the electric telescopic rod to prevent the electric telescopic rod from tilting and affect the use, thus effectively solving the problem that the electric telescopic rod is unstable and affects the use.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a partial enlarged structure schematic diagram of A-A of the utility model.

In the figure: 1 base, 2 fixed shaft, 3 threaded rod, 4 threaded sleeve, 5 worktable, 6 first bevel gear, 7 fixed rod, 8 bearing, 9 groove, 10 electric telescopic rod, 11 fixed frame, 12 Sleeve, 13 cross bars, 14 movable bars, 15 connecting rods, 16 turntables, 17 rotating shafts, 18 second bevel gears, 19 controllers, 20 clamping pads, 21 storage boxes, 22 drawers, 23 handles.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1-2, a multimedia lecture playback device, including a base 1, both sides of the top of the base 1 are fixedly connected with a fixed shaft 2, the top of the fixed shaft 2 is movably connected with a threaded rod 3, and the surface of the top of the threaded rod 3 A threaded sleeve 4 is sleeved, the surface of the threaded rod 3 is provided with an external thread, the inside of the threaded sleeve 4 is provided with an internal thread used in conjunction with the external thread, the top of the threaded sleeve 4 is fixedly connected with a workbench 5, and the right side of the workbench 5 The side is provided with a storage box 21, and the storage box 21 is fixedly connected with the right side of the workbench 5 through a fixing piece. Through the setting of the storage box 21, it is convenient for the teacher to store articles, prevent things from being placed indiscriminately, and avoid loss. The front bottom of the workbench 5 A drawer 22 is movably connected at the central axis of the drawer 22, and a handle 23 is fixedly connected to the surface of the drawer 22. Through the setting of the drawer 22, space for holding articles can be provided for the teacher to teach, and some personal items are placed. The surface of the threaded rod 3 is movably connected with a handle 23. The first bevel gear 6, both sides of the top of the base 1 and between the two threaded rods 3 are fixedly connected with a fixed rod 7, and the side of the fixed rod 7 near the threaded rod 3 is fixedly connected with a bearing 8, and the top of the base 1 And between the two fixed rods 7, a groove 9 is provided, and the inside of the groove 9 is fixedly connected with a clamping pad 20. The clamping pad 20 is in contact with the surface of the bottom of the electric telescopic rod 10, and finally passes through the clamping pad 20. The setting can clamp and fix the bottom of the electric telescopic rod 10 to prevent the electric telescopic rod 10 from tilting and affect the use, thereby effectively solving the problem that the electric telescopic rod 10 is unstable and affects the use. The groove 9 is provided with The electric telescopic rod 10, the top of the electric telescopic rod 10 is fixedly connected with a fixed frame 11, the inside of the fixed frame 11 is fixedly connected with a sleeve 12, and one side of the inner wall of the fixed frame 11 is fixedly connected with a cross bar 13, and the cross bar 13 is far away from the fixed frame One end on one side of the inner wall of 11 runs through the sleeve 12 and is fixedly connected with the other side of the inner wall of the fixed frame 11, and the surface of the cross bar 13 located at the inner end of the sleeve 12 is movably connected with a movable rod 14, and the movable rod 14 is far away from the end of the cross rod 13 Extending to the outside of the casing 12, a connecting rod 15 is movably connected, and the end of the connecting rod 15 away from the movable rod 14 is fixedly connected with a turntable 16, and the central axis of the turntable 16 near the side of the fixed rod 7 is fixedly connected with a rotating shaft 17, and the rotating shaft 17 The end away from the turntable 16 runs through the fixed rod 7 and the bearing 8 in sequence and is fixedly connected with the second bevel gear 18 used in conjunction with the first bevel gear 6. The bottom of the left side of the workbench 5 is fixedly connected with a controller 19 to control The device 19 is electrically connected with the electric telescopic rod 10. By setting the electric telescopic rod 10 and the fixed frame 11, the electric telescopic rod 10 lifts and drives the fixed frame 11 to rise and fall. 16 rotates to drive the rotating shaft 17 to rotate. Finally, through the setting of the threaded rod 3 and the threaded sleeve 4, the rotation of the threaded rod 3 drives the threaded sleeve 4 to rise and fall, and the effect of adjusting the height of the workbench 5 is achieved. The height cannot be adjusted, which affects the teacher's operation and reduces the teaching efficiency.

When in use, the electric telescopic rod 10 is driven to work by starting the controller 19, and the electric telescopic rod 10 moves up and down through the cross bar 13 to drive the movable rod 14 to move. Rotate, the second bevel gear 18 rotates with the rotating shaft 17, and through the cooperation with the first bevel gear 6, the threaded rod 3 is driven to rotate, thereby driving the threaded sleeve 4 to rise and fall, and the height of the workbench 5 is adjusted.

To sum up: the multimedia lecture playing equipment, through the fixed shaft 2, the threaded rod 3, the threaded sleeve 4, the workbench 5, the first bevel gear 6, the fixed rod 7, the bearing 8, the groove 9, the electric telescopic rod 10 , fixed frame 11, casing 12, cross bar 13, movable rod 14, connecting rod 15, turntable 16, rotating shaft 17 and second bevel gear 18 solve the problem that the height of the multimedia platform cannot be adjusted, which affects the teacher's operation , Reduce the problem of teaching efficiency.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. A multimedia lecture playing device, comprising a base (1), characterized in that: both sides of the top of the base (1) are fixedly connected with a fixed shaft (2), and the top of the fixed shaft (2) is movably connected There is a threaded rod (3), the surface of the top of the threaded rod (3) is sleeved with a threaded sleeve (4), the top of the threaded sleeve (4) is fixedly connected with a workbench (5), and the threaded rod (3) ) is movably connected with a first bevel gear (6), both sides of the top of the base (1) and between two threaded rods (3) are fixedly connected with a fixed rod (7), the fixed rod (7) A bearing (8) is fixedly connected to one side near the threaded rod (3), and a groove (9) is provided on the top of the base (1) and between the two fixed rods (7). An electric telescopic rod (10) is arranged in the groove (9), the top of the electric telescopic rod (10) is fixedly connected with a fixed frame (11), and the inside of the fixed frame (11) is fixedly connected with a sleeve (12 ), one side of the inner wall of the fixed frame (11) is fixedly connected with a cross bar (13), and the end of the horizontal bar (13) away from the inner wall side of the fixed frame (11) runs through the casing (12) and is connected with the fixed frame (11) The other side of the inner wall is fixedly connected, and the surface of one end of the crossbar (13) located in the casing (12) is movably connected with a movable rod (14), and the movable rod (14) is away from the crossbar (13) One end extends to the outside of the casing (12) and is movably connected with a connecting rod (15), and the end of the connecting rod (15) away from the movable rod (14) is fixedly connected with a turntable (16), and the turntable (16) is close to A rotating shaft (17) is fixedly connected to the central axis on one side of the fixed rod (7), and the end of the rotating shaft (17) away from the turntable (16) runs through the fixed rod (7) and the bearing (8) in turn and is fixedly connected to a The second bevel gear (18) used in conjunction with the first bevel gear (6), the bottom of the left side of the workbench (5) is fixedly connected with a controller (19), and the controller (19) is connected to the motor The telescopic rod (10) is electrically connected. 2. A multimedia lecture playing device according to claim 1, characterized in that: the inside of the groove (9) is fixedly connected with a clamping pad (20), and the clamping pad (20) is connected with the electric telescopic The surfaces at the bottom of the rod (10) are in contact. 3. A kind of multimedia lecture playing device according to claim 1, characterized in that: the right side of the workbench (5) is provided with a storage box (21), and the storage box (21) is connected with the workbench (5) ) The right side is fixedly connected by a fixing piece. 4. A multimedia lecture playing device according to claim 1, characterized in that: a drawer (22) is movably connected to the central axis at the bottom of the front of the workbench (5), and the surface of the drawer (22) is fixed A handle (23) is attached. 5. A multimedia lecture playback device according to claim 1, characterized in that: the surface of the threaded rod (3) is provided with external threads, and the inside of the threaded sleeve (4) is provided with internal thread.