CN221613408U - Educational course demonstration device - Google Patents

Abstract

The utility model provides an education course demonstration device, which belongs to the technical field of course demonstration, and comprises a holding box, wherein a lifting assembly is arranged in the holding box, the lifting assembly comprises a first motor, the first motor is fixedly connected with the bottom end of an inner cavity of the holding box, an output shaft of the first motor is in meshed connection with a worm, two sides of the worm are in meshed connection with worm wheels, the two worm wheels are symmetrically arranged, a first rotating shaft is fixedly connected in the middle of the worm wheel, two ends of the first rotating shaft are respectively hinged with telescopic rods, one end of each telescopic rod, which is far away from the first rotating shaft, is hinged with a limiting rod, the bottom end of the inner cavity of the holding box is fixedly connected with a plurality of limiting blocks, limiting grooves are internally provided with limiting rods in sliding connection, the limiting rods are matched with the limiting grooves, a plurality of limiting holes are formed in the top end of the holding box, and the limiting rods extend out of the holding box through the limiting holes; one end of the limiting rod extending out of the containing box is fixedly connected with a display mechanism. The height of the device can be adjusted according to the height of a user, and the device is more convenient to use.

Description

Educational course demonstration device

Technical Field

The utility model belongs to the technical field of course demonstration, in particular to an educational course demonstration device.

Background Art

When teaching innovative and entrepreneurial education courses, demonstration devices are often used to play and demonstrate educational content so that learners can better understand and receive the teaching content. Existing educational course demonstration devices generally use fixed-height brackets for support, which are not suitable for users of different heights. Therefore, an educational course demonstration device is urgently needed to solve the above problems.

Utility Model Content

In order to solve the above technical problems, the utility model proposes an educational course demonstration device.

To achieve the above-mentioned purpose, the utility model provides an educational course demonstration device, including a containing box, a lifting assembly is arranged in the containing box, the lifting assembly includes a first motor, the first motor is fixedly connected to the bottom end of the inner cavity of the containing box, the output shaft of the first motor is drivingly connected to a worm, the two sides of the worm are meshingly connected to worm wheels, the two worm wheels are symmetrically arranged, a first rotating shaft is fixedly connected in the middle of the worm wheel, the two ends of the first rotating shaft are respectively hinged with telescopic rods, the end of the telescopic rod away from the first rotating shaft is hinged to a limiting rod, a plurality of limit blocks are fixedly connected to the bottom end of the inner cavity of the containing box, a limit groove is provided in the limit block, a limit rod is slidably connected in the limit groove, the limit rod is adapted to the limit groove, a plurality of limit holes are provided at the top of the containing box, the limit rod extends out of the containing box through the limit holes; the end of the limit rod extending out of the containing box is fixedly connected to a display mechanism.

Preferably, the display mechanism includes a fixed plate, the fixed plate is fixedly connected to the limiting rod, a second motor is fixedly connected to the top end of the fixed plate, an output shaft of the second motor is transmission-connected to a second rotating shaft, a mounting assembly is fixedly connected to the second rotating shaft, and a display assembly is fixedly connected inside the mounting assembly.

Preferably, the mounting assembly comprises a positioning plate fixedly connected to the second rotating shaft, support rods are fixedly connected to both sides of the top of the positioning plate, and the display assembly is fixedly connected between the two support rods.

Preferably, the display assembly comprises an electronic display screen, the electronic display screen is fixedly connected to the two support rods, and a writing assembly is arranged on the electronic display screen.

Preferably, the writing assembly includes a limit member fixedly connected to the upper and lower sides of the electronic display screen, a slide groove is provided in the limit member, two symmetrically arranged handwriting boards are slidably connected in the slide groove, and the two handwriting boards are arranged parallel to the electronic display screen.

Preferably, a plurality of tightening bolts are provided on the limiting member.

Preferably, a handle is fixedly connected to the upper surface of the handwriting board.

Preferably, a placement box is fixedly connected to the support rod.

Compared with the prior art, the utility model has the following advantages and technical effects:

When the heights of users are different, the first motor is turned on, the first motor will drive the worm to rotate, the two worm wheels meshing with the worm will rotate, and the first rotating shaft fixed to the worm wheel will also rotate, thereby driving the telescopic rod to slide in the limit groove, thereby driving the limit rod to rise and fall, thereby changing the height of the display mechanism. The first motor drives the four limit rods to rise and fall, which saves power while increasing stability.

The utility model can adjust the height of the device according to the height of the user, which is more convenient to use.

BRIEF DESCRIPTION OF THE DRAWINGS

The drawings constituting a part of the present application are used to provide a further understanding of the present application. The illustrative embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

FIG1 is a schematic diagram of the handwriting board of the utility model in an unfolded state;

FIG2 is a schematic diagram of a closed state of the handwriting tablet of the present invention;

FIG3 is a cross-sectional view of the storage box of the utility model;

FIG4 is a schematic structural diagram of a position limiting member of the present utility model;

In the figure: 1. storage box; 2. first motor; 3. worm; 4. worm wheel; 5. first rotating shaft; 6. telescopic rod; 7. limit rod; 8. limit groove; 9. limit hole; 10. fixing plate; 11. second motor; 12. second rotating shaft; 13. positioning plate; 14. support rod; 15. electronic display screen; 16. limit member; 17. slide groove; 18. handwriting board; 19. tighten bolts; 20. handle; 21. storage box; 22. limit block.

DETAILED DESCRIPTION

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.

In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

With reference to FIGS. 1 to 4 , the utility model provides an educational course demonstration device, comprising a containing box 1, wherein a lifting assembly is arranged in the containing box 1, wherein the lifting assembly comprises a first motor 2, wherein the first motor 2 is fixedly connected to the bottom end of the inner cavity of the containing box 1, wherein the output shaft of the first motor 2 is drivingly connected to a worm 3, wherein two sides of the worm 3 are meshingly connected to worm wheels 4, wherein the two worm wheels 4 are symmetrically arranged, wherein a first rotating shaft 5 is fixedly connected to the middle of the worm wheel 4, wherein two ends of the first rotating shaft 5 are respectively hinged to telescopic rods 6, wherein one end of the telescopic rod 6 away from the first rotating shaft 5 is hinged to a limiting rod 7, wherein a plurality of limiting blocks 22 are fixedly connected to the bottom end of the inner cavity of the containing box 1, wherein a limiting groove 8 is arranged in the limiting block 22, wherein the limiting rod 7 is slidably connected in the limiting groove 8, and wherein the limiting rod 7 is adapted to the limiting groove 8, wherein a plurality of limiting holes 9 are arranged at the top end of the containing box 1, wherein the limiting rod 7 extends out of the containing box 1 through the limiting holes 9; wherein one end of the limiting rod 7 extending out of the containing box 1 is fixedly connected to a display mechanism.

When the heights of the users are different, the first motor 2 is turned on, the first motor 2 will drive the worm 3 to rotate, the two worm wheels 4 meshing with the worm 3 will rotate, and the first rotating shaft 5 fixed to the worm wheel 4 will also rotate, thereby driving the telescopic rod 6 to slide in the limit groove 8, thereby driving the limit rod 7 to rise and fall, thereby changing the height of the display mechanism. The first motor 2 drives the four limit rods 7 to rise and fall, which saves power while also increasing stability.

According to a further optimized solution, the display mechanism includes a fixed plate 10, which is fixedly connected to the limiting rod 7. A second motor 11 is fixedly connected to the top of the fixed plate 10. The output shaft of the second motor 11 is transmission-connected to a second rotating shaft 12. A mounting assembly is fixedly connected to the second rotating shaft 12, and a display assembly is fixedly connected inside the mounting assembly.

The limiting rod 7 moves the fixing plate 10 up and down, and a second motor 11 is fixedly installed on the fixing plate 10. The second motor 11 can rotate the second shaft 12 when turned on, and the second shaft 12 rotates the display component, thereby adjusting the direction of the display component.

According to a further optimized solution, the mounting assembly includes a positioning plate 13 fixedly connected to the second rotating shaft 12 , support rods 14 are fixedly connected to both sides of the top of the positioning plate 13 , and a display assembly is fixedly connected between the two support rods 14 .

The positioning plate 13 is fixedly connected to the second rotating shaft 12 , and the two supporting rods 14 on the positioning plate 13 are used to fix the display assembly.

Further optimizing the scheme, the display assembly includes an electronic display screen 15, the electronic display screen 15 is fixedly connected to the two support rods 14, and a writing assembly is arranged on the electronic display screen 15. The writing assembly is arranged on the electronic display screen 15, which is convenient for the user to write on the side, and can use multimedia, and can also facilitate manual marking explanation, which is more detailed for the course explanation.

In a further optimized solution, the writing assembly includes a stopper 16 fixedly connected to the upper and lower sides of the electronic display screen 15, a slide groove 17 is provided in the stopper 16, and two symmetrically arranged handwriting boards 18 are slidably connected in the slide groove 17, and the two handwriting boards 18 are arranged parallel to the electronic display screen 15. The two handwriting boards 18 can slide in the slide groove 17 on the stopper 16, and slide away from each other when in use, and push the two handwriting boards 18 together when not in use, and the closed two handwriting boards 18 can also perform dust prevention on the electronic display screen 15.

In a further optimized solution, a plurality of tightening bolts 19 are provided on the position limiting member 16. The tightening bolts 19 can fix the two handwriting boards 18 to prevent sliding.

In a further optimized solution, a handle 20 is fixedly connected to the upper side of the handwriting board 18. The handle 20 facilitates pushing the handwriting board 18.

In a further optimized solution, a placement box 21 is fixedly connected to the support rod 14. The placement box 21 can be used to place items.

In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims (8)

1. The utility model provides an education course presentation device, its characterized in that, including holding case (1), be provided with lifting unit in holding case (1), lifting unit includes first motor (2), first motor (2) with hold the inner chamber bottom rigid coupling of case (1), the output shaft transmission of first motor (2) is connected with worm (3), the both sides meshing of worm (3) is connected with worm wheel (4), two worm wheel (4) symmetry sets up, the centre rigid coupling of worm wheel (4) has first pivot (5), the both ends of first pivot (5) are articulated respectively have telescopic link (6), telescopic link (6) are kept away from the one end of first pivot (5) is articulated have gag lever (7), hold case (1) inner chamber bottom rigid coupling has a plurality of stopper (22), set up spacing groove (8) in stopper (22), sliding connection has gag lever (7) in spacing groove (8), gag lever (7) with limit groove (8) symmetry sets up, the one end of holding case (1) is stretched out limit hole (9). One end of the limiting rod (7) extending out of the containing box (1) is fixedly connected with a display mechanism.

2. The educational course presentation device of claim 1, wherein: the display mechanism comprises a fixed plate (10), the fixed plate (10) is fixedly connected with the limiting rod (7), a second motor (11) is fixedly connected to the top end of the fixed plate (10), a second rotating shaft (12) is connected to an output shaft of the second motor (11) in a transmission mode, a mounting assembly is fixedly connected to the second rotating shaft (12), and a display assembly is fixedly connected to the mounting assembly.

3. The educational course presentation device of claim 2, wherein: the installation assembly comprises a positioning plate (13) fixedly connected with the second rotating shaft (12), support rods (14) are fixedly connected to two sides of the top end of the positioning plate (13), and the display assembly is fixedly connected between the two support rods (14).

4. An educational course presentation device, as claimed in claim 3, wherein: the display assembly comprises an electronic display screen (15), the electronic display screen (15) is fixedly connected with the two support rods (14), and the electronic display screen (15) is provided with a writing assembly.

5. The educational course presentation device of claim 4, wherein: the writing assembly comprises limiting pieces (16) fixedly connected to the upper side and the lower side of the electronic display screen (15), sliding grooves (17) are formed in the limiting pieces (16), two symmetrically arranged handwriting boards (18) are connected in the sliding grooves (17) in a sliding mode, and the two handwriting boards (18) are arranged in parallel with the electronic display screen (15).

6. The educational course presentation device of claim 5, wherein: the limiting piece (16) is provided with a plurality of tightening bolts (19).

7. The educational course presentation device of claim 5, wherein: a handle (20) is fixedly connected on the handwriting board (18).

8. An educational course presentation device, as claimed in claim 3, wherein: the supporting rod (14) is fixedly connected with a placement box (21).