Electrical LED demonstration device for teaching

Abstract

The utility model discloses an electrical LED demonstration device for teaching, which comprises a storage box, the top of the storage box is provided with an open groove, the open groove can be covered and sealed by a cover plate, the storage box is internally provided with a transverse plate, the lower end of the transverse plate is provided with a lifting device, the upper end of the lifting device is provided with a connecting plate, and the connecting plate is connected with the storage box. The upper end of the connecting plate is provided with an LED demonstration instrument, and the connecting plate is provided with a locking device. The utility model belongs to the technical field of teaching demonstration, and particularly relates to an electrical LED demonstration device for teaching, which can solve the problems that a traditional LED electrical teaching demonstration instrument is inconvenient to store after being used, and the angle of the LED demonstration instrument is inconvenient to adjust.

Description

Technical Field

[0001] The utility model belongs to the technical field of teaching demonstration, and specifically refers to an electrical LED demonstration device for teaching. Background Art

[0002] The existing LED demonstrator is an optical instrument that uses optical elements to magnify the outline of a workpiece and project it onto a screen. In the field of electronic teaching, the LED demonstrator is widely used.

[0003] When using the LED demonstrator in the prior art, the LED demonstrator is generally placed on a table, but there are disadvantages: it is not convenient to adjust the angle of the LED demonstrator, and it is not convenient to store the LED demonstrator after use. Therefore, improvement is needed. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the traditional LED electric teaching demonstrator is not convenient to store after use and is not convenient to adjust the angle of the LED demonstrator.

[0005] In order to achieve the above functions, the technical solution adopted by the utility model is as follows: an electrical LED demonstration device for teaching, including a storage box, a top of the storage box is provided with a slot, the slot can be covered and sealed by a cover plate, a horizontal plate is provided inside the storage box, a lifting device is provided at the lower end of the horizontal plate, a connecting plate is provided at the upper end of the lifting device, an LED demonstrator is provided at the upper end of the connecting plate, and a locking device is provided on the connecting plate; the lifting device includes a motor, an output end of the motor is provided with a screw rod, the screw rod rotates on the lower end surface of the horizontal plate, a lifting rod is slidably penetrated in the horizontal plate, an end plate is provided at the lower end of the lifting rod, a guide rod is provided between the horizontal plate and the bottom end of the storage box, the guide rod penetrates the end plate, the top of the lifting rod rotates in the connecting plate, and the LED demonstrator can be stored in the storage box through the lifting device for easy preservation.

[0006] Furthermore, the locking device includes an elastic column, which is arranged at the lower end of the connecting plate. The lifting rod is provided with a buckle groove around it, and the elastic column can be buckled in the buckle groove. By buckling the elastic column in the buckle groove, the connecting plate can be locked, thereby locking the angle of the LED demonstrator.

[0007] Preferably, the connecting plate is in the shape of a disc, and threaded holes are provided in the connecting plate, through which the LED demonstrator can be connected and fixed, and it is also easy to disassemble.

[0008] Preferably, a limit plate is provided at the upper end of the lifting rod, and the limit plate is a disc-shaped plate structure and is located in the connecting plate.

[0009] Preferably, the distance between the horizontal plate and the upper slot of the storage box should be sufficient to store the LED demonstrator in the storage box.

[0010] Preferably, the slot is arranged in a stepped manner, so that the storage box can be closed by covering the slot with a cover plate.

[0011] The utility model adopts the above structure to achieve the following beneficial effects:

[0012] 1. The utility model can realize the storage and preservation of the LED demonstrator by arranging a lifting device, so as to prevent the LED demonstrator from falling into dust or being damaged by collision after the electronic teaching demonstration is completed.

[0013] 2. The utility model can realize the rotation of the LED demonstrator and lock the position by setting a locking device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is an overall stereogram of an electrical LED demonstration device for teaching of the utility model;

[0015] Figure 2 This is a front cross-sectional view of an electrical LED demonstration device for teaching of the utility model;

[0016] Figure 3 for Figure 2 A perspective view of the middle locking device;

[0017] Figure 4 for Figure 2 Internal cross-section of the middle connecting plate.

[0018] Among them, 1. storage box, 2. slot, 3. horizontal plate, 4. lifting device, 5. connecting plate, 6. LED demonstrator, 7. locking device, 8. motor, 9. screw, 10. lifting rod, 11. end plate, 12. guide rod, 13. elastic column, 14. buckle groove, 15. threaded hole, 16. limit plate. DETAILED DESCRIPTION

[0019] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0020] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0021] like Figure 1-4 The utility model is an electrical LED demonstration device for teaching, comprising a storage box 1, a slot 2 is provided on the top of the storage box 1, and the slot 2 is arranged in a step-shaped manner, so that the storage box 1 is closed by covering the slot 2 with a cover plate, and the slot 2 can be covered and sealed by the cover plate, and a transverse plate 3 is provided inside the storage box 1, and a lifting device 4 is provided at the lower end of the transverse plate 3, and the distance between the transverse plate 3 and the slot 2 at the upper end of the storage box 1 should be sufficient to store the LED demonstrator 6 in the storage box 1, and a connecting plate 5 is provided at the upper end of the lifting device 4, and the connecting plate 5 is a disc-shaped plate, and a threaded hole 15 is provided in the connecting plate 5, and the LED demonstrator 6 can be connected and fixed through the threaded hole 15, and it is also convenient for disassembly, and the LED demonstrator 6 is provided at the upper end of the connecting plate 5, and a locking device 7 is provided on the connecting plate 5;

[0022] like Figure 1-2 The lifting device 4 includes a motor 8, a screw rod 9 is provided at the output end of the motor 8, and the screw rod 9 rotates on the lower end surface of the horizontal plate 3. A lifting rod 10 is slidably provided in the horizontal plate 3, and a limit plate 16 is provided at the upper end of the lifting rod 10. The limit plate 16 is a disc-shaped plate structure and is located in the connecting plate 5. An end plate 11 is provided at the lower end of the lifting rod 10, and a guide rod 12 is provided between the horizontal plate 3 and the bottom end of the storage box 1. The guide rod 12 passes through the end plate 11, and the top of the lifting rod 10 rotates in the connecting plate 5. The LED demonstrator 6 can be stored in the storage box 1 through the lifting device 4 to facilitate its storage.

[0023] like Figure 2-4 The locking device 7 includes an elastic column 13, which is arranged at the lower end of the connecting plate 5. A buckle groove 14 is arranged around the lifting rod. The elastic column 13 can be buckled in the buckle groove 14. By buckling the elastic column 13 in the buckle groove 14, the connecting plate 5 can be locked, thereby locking the angle of the LED demonstrator 6.

[0024] When the LED demonstrator 6 needs to be used for electric teaching demonstration, first remove the cover plate on the upper part of the slot 2, then start the motor 8, the screw rod 9 rotates, the end plate 11 is driven to slide on the guide rod 12, and the lifting rod 10 will slide in the cross plate 3 until the LED demonstrator 6 is raised out of the slot 2, and the LED demonstrator 6 can be used for electric teaching demonstration. When the use angle of the LED demonstrator 6 needs to be adjusted, first pull the elastic column 13 to disengage it from the buckle groove 14, and then rotate the connecting plate 5 to drive the LED demonstrator 6 to adjust the angle, loosen the elastic column 13, and the elastic column 13 will automatically buckle in the buckle groove 14 to complete the locking of the connecting plate 5. When installing the LED demonstrator 6, only the threaded hole 15 needs to be aligned with the hole of the LED demonstrator 6, and the LED demonstrator 6 can be installed by screwing in the bolts, which is very convenient. After use, with the help of the lifting device 4, the LED demonstrator 6 can be stored in the storage box 1 again.

[0025] 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. An electrical LED demonstration device for teaching, comprising a storage box, a slot is provided on the top of the storage box, the slot can be covered and sealed by a cover plate, and a horizontal plate is provided inside the storage box, characterized in that: A lifting device is provided at the lower end of the transverse plate, a connecting plate is provided at the upper end of the lifting device, an LED demonstrator is provided at the upper end of the connecting plate, and a locking device is provided on the connecting plate.

2. The electrical LED demonstration device for teaching according to claim 1, characterized in that: The lifting device includes a motor, a screw rod is provided at the output end of the motor, the screw rod rotates on the lower end surface of the horizontal plate, a lifting rod is slidably provided through the inside of the horizontal plate, an end plate is provided at the lower end of the lifting rod, a guide rod is provided between the horizontal plate and the bottom end of the storage box, the guide rod passes through the end plate, and the top of the lifting rod rotates in the connecting plate.

3. The electrical LED demonstration device for teaching according to claim 2, characterized in that: The locking device comprises an elastic column, which is arranged at the lower end of the connecting plate. A buckle groove is arranged around the lifting rod, and the elastic column can be buckled in the buckle groove.

4. The electrical LED demonstration device for teaching according to claim 3, characterized in that: The connecting plate is in the shape of a disc, and a threaded hole is arranged in the connecting plate.

5. The electrical LED demonstration device for teaching according to claim 4, characterized in that: A limiting plate is provided at the upper end of the lifting rod. The limiting plate is a disc-shaped plate structure and is located in the connecting plate.

6. The electrical LED demonstration device for teaching according to claim 5, characterized in that: The distance between the horizontal plate and the upper slot of the storage box should be sufficient to allow the LED demonstrator to be stored in the storage box.

7. The electrical LED demonstration device for teaching according to claim 6, characterized in that: The slots are arranged in a step-like manner.

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