A multimedia English teaching device

Abstract

The utility model discloses a multimedia English teaching device, which relates to the technical field of English teaching auxiliary equipment. The device comprises a base, a lifting frame is fixed on the base, a display is arranged on the lifting frame, the display is slidably connected to the lifting frame through a lifting mechanism, the lifting mechanism comprises a lifting groove arranged on one side of the lifting frame, a motor is arranged on the inner bottom of the lifting groove, a lead screw is connected to the output end of the motor, the other end of the lead screw is rotatably connected to the inner top of the lifting groove, a lead screw nut is threadedly connected to the lead screw, the outer side wall of the lead screw nut is slidably connected to the lifting groove, the display is fixed on the lead screw nut, when there are too many students in the classroom, the motor is started, the output end of the motor drives the lead screw to rotate, the lead screw nut moves up and down on the circumferential side of the lead screw, the lead screw nut drives the display to move, and the height of the display can be adjusted, so that the display can be better displayed to the students.

Description

Technical Field

[0001] The utility model relates to the technical field of English teaching auxiliary equipment, in particular to a multimedia English teaching device. Background Art

[0002] Multimedia is a combination of multiple media, generally including text, sound, image and other media forms. In computer systems, multimedia refers to a combination of two or more media for human-computer interactive information exchange and dissemination. The media used include text, pictures, photos, sound, animation and video, as well as interactive functions provided by the program. In English teaching, combining English teaching with multimedia will add a little fun to the boring English teaching and make English teaching more efficient.

[0003] The patent application with the authorization announcement number CN211323552U discloses a multimodal English teaching device for teaching English, including a table top, a first groove is provided at one end of the top of the table top, an electronic display screen is provided inside the first groove, a rotating shaft is provided at both ends of one side of the electronic display screen, both ends of the rotating shaft are rotatably connected to the table top, a handwriting board is fixedly connected inside the first groove, and a second groove is provided on one side of the first groove, a keyboard is provided inside the second groove, and a movable board is movably connected to the top of the second groove, and a fixed rod is fixedly connected to one side of the table top. However. Since the height is generally fixed and not easy to adjust, when the English teaching device is in use, if there are many people in the classroom, the students in the back row cannot see the display screen because the height is not high enough, which affects the teaching effect. Utility Model Content

[0004] In order to overcome the defect of the prior art that the height is fixed and affects the teaching effect, the utility model provides a multimedia English teaching device.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a multimedia English teaching device, including a base, a lifting frame is fixed on the base, a display is arranged on the lifting frame, the display is slidably connected to the lifting frame through a lifting mechanism, the lifting mechanism includes a lifting groove arranged on one side of the lifting frame, a motor is arranged at the inner bottom of the lifting groove, a screw rod is connected to the output end of the motor, the other end of the screw rod is rotatably connected to the inner top of the lifting groove, a screw rod nut is threadedly connected to the screw rod, the outer side wall of the screw rod nut is slidably connected to the lifting groove, and the display is fixed on the screw rod nut.

[0006] As a further improvement of the utility model, both sides of the screw rod in the lifting slot are provided with limit rods, and the screw rod nut is slidably connected to the limit rods.

[0007] As a further improvement of the utility model, fixed blocks are fixedly connected to the upper and lower positions of one side of the display, and a rotatable writing magnetic plate is connected between the two fixed blocks.

[0008] As a further improvement of the utility model, a card slot is provided on one side of the writing magnetic board, a connecting rod is slidably connected in the card slot, a card block is fixedly connected to one side of the connecting rod, a cross block is fixedly connected to the other side of the connecting rod, a fixed plate is fixedly connected to one side of the display, a spring is fixedly connected to one side of the fixed plate, a circular block is fixedly connected to the other side of the spring, a circular tube is fixedly connected to one side of the circular block, the spring is sleeved on the circumferential side of the circular tube, the circular tube is slidably connected in the fixed plate, and the connecting rod is rotatably connected in the circular tube.

[0009] As a further improvement of the utility model, a fixing rod is provided on the rear side of the display, and a rotating block is connected to the fixing rod.

[0010] As a further improvement of the utility model, an electric turntable is installed on the upper end of the base, and the lifting frame is fixedly connected to the upper end of the electric turntable.

[0011] Compared with the prior art, the utility model has the following beneficial effects: in this scheme, a lifting mechanism, a base, a lifting frame and a display are provided. If there are too many students in the classroom, the motor is started, and the output end of the motor drives the screw to rotate, and the screw nut moves up and down on the circumferential side of the screw, and the screw nut drives the display to move, so that the height of the display can be adjusted, so that it can be better displayed to the students; a fixed block, a writing magnetic board, a cross block, a spring, a circular block, a connecting rod, a card block, a round tube and a card slot are provided, and the circular block is pulled, the spring is in a stretched state, the round tube and the card block leave the card slot, and the writing magnetic board can be rotated, so that the writing magnetic board and the display are in a horizontal state for unfolding, and when the writing magnetic board reaches a suitable position, the circular block is released, and the spring pushes the round tube and the card block into the card slot due to its own elastic recovery, and the cross block is rotated, and the cross block drives the connecting rod and the card block to rotate, and the card block can clamp the writing magnetic board. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0013] Figure 1 The utility model is a stereoscopic diagram of a multimedia English teaching device.

[0014] Figure 2 For this utility model Figure 1 A partial enlarged view of point A in the middle.

[0015] Figure 3 It is a cross-sectional view of the utility model.

[0016] Figure 4 For this utility model Figure 3A partial enlarged view of point B in the middle.

[0017] Figure 5 It is a cross-sectional view of the utility model.

[0018] In the figure: 1. base; 2. electric turntable; 3. lifting frame; 4. lifting mechanism; 401. lifting slot; 402. screw; 403. motor; 404. limit rod; 405. screw nut; 5. display; 6. writing magnetic board; 7. fixed block; 8. rotating block; 9. fixed rod; 10. cross block; 11. connecting rod; 12. clamping block; 13. clamping slot; 14. fixing plate; 15. spring; 16. round block; 17. round tube. DETAILED DESCRIPTION

[0019] In order to make the technical solution and beneficial effects of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0020] Reference Figure 1 , Figure 2 and Figure 5 The embodiment of the utility model discloses a multimedia English teaching device, including a base 1, a lifting frame 3 is fixed on the base 1, a display 5 is arranged on the lifting frame 3, the display 5 is slidably connected to the lifting frame 3 through a lifting mechanism 4, the lifting mechanism 4 includes a lifting slot 401 arranged on one side of the lifting frame 3, a motor 403 is arranged at the inner bottom of the lifting slot 401, a screw rod 402 is connected to the output end of the motor 403, the other end of the screw rod 402 is rotatably connected to the inner top of the lifting slot 401, a screw rod nut 405 is threadedly connected to the screw rod 402, the outer side wall of the screw rod nut 405 is slidably connected to the lifting slot 401, and the display 5 is fixed on the screw rod nut 405.

[0021] Among them, both sides of the screw rod 402 in the lifting slot 401 are provided with limiting rods 404, and the screw nut 405 is slidably connected to the limiting rods 404. The limiting rods 404 are symmetrically arranged on both sides of the screw rod 402, and the screw nut 405 is slidably connected to the circumferential sides of the two limiting rods 404. The limiting rods 404 and the screw nut 405 are slidably matched, which can improve the movement stability of the screw nut 405.

[0022] The lifting mechanism 4 includes a lifting slot 401, a screw rod 402, a motor 403 and a screw nut 405. The lifting slot 401 is opened on one side of the lifting frame 3, the motor 403 is fixedly connected to the inner bottom wall of the lifting slot 401, the screw rod 402 is fixedly connected to the output end of the motor 403, and the upper end of the screw rod 402 is rotatably connected to the inner top wall of the lifting slot 401, the outer side wall of the screw nut 405 is slidably connected to the lifting slot 401, the screw nut 405 is threadedly connected to the circumferential side of the screw rod 402, and the display 5 is fixedly connected to one side of the screw nut 405. If there are too many students in the classroom, start the motor 403, the output end of the motor 403 drives the screw rod 402 to rotate, the screw nut 405 moves up and down on the circumferential side of the screw rod 402, and the screw nut 405 drives the display 5 to move, so that the height of the display 5 can be adjusted, so that it can be better displayed to the students.

[0023] Reference Figure 1 The upper and lower positions of one side of the display 5 are fixedly connected with fixed blocks 7, and a rotatable writing magnetic board 6 is connected between the two fixed blocks 7. The writing magnetic board 6 can facilitate the teacher to write some special points on the writing magnetic board 6.

[0024] Reference Figure 4 A card slot 13 is provided on one side of the writing magnetic board 6, and the shapes of the preferred card block 12 and the card slot 13 match each other. A connecting rod 11 is slidably connected in the card slot 13, and a card block 12 is fixedly connected to one side of the connecting rod 11, and a cross block 10 is fixedly connected to the other side of the connecting rod 11, so as to limit the writing magnetic board 6. A fixed plate 14 is fixedly connected to one side of the display 5, and a spring 15 is fixedly connected to one side of the fixing plate 14, and a circular block 16 is fixedly connected to the other side of the spring 15, and a circular tube 17 is fixedly connected to one side of the circular block 16, and the circular tube 17 passes through the sliding connection of the fixing plate 14, and the preferred card block 12 and the cross block 10 are respectively located on the sides of the circular tube 17 and the circular block 16, and the spring 15 is sleeved on the circumferential side of the circular tube 17, and the circular tube 17 is slidably connected to the fixing plate 14, and the connecting rod 11 is rotatably connected to the circular tube 17.

[0025] Pull the circular block 16, the spring 15 is in a stretched state, the round tube 17 slides along the fixed plate 14, the block 12 at the end of the connecting rod 11 leaves the slot 13, and the writing magnetic board 6 can be rotated so that the writing magnetic board 6 and the display 5 are in a horizontal state for unfolding. When the writing magnetic board 6 reaches a suitable position, release the circular block 16, and the spring 15 pushes the round tube 17 to reset due to its own elastic recovery. Rotate the cross block 10, the cross block 10 drives the connecting rod 11 and the block 12 to rotate, so that the block 12 is inserted into the slot 13, and the block 12 can clamp the writing magnetic board 6.

[0026] Reference Figure 3A fixing rod 9 is provided at the rear side of the display 5, and a rotating block 8 is connected to the fixing rod 9, and the rotating block 8 can further limit the writing magnetic board 6. An electric turntable 2 is installed at the upper end of the base 1, and the lifting frame 3 is fixedly connected to the upper end of the electric turntable 2. The electric turntable 2 can drive the lifting frame 3 and the display 5 to rotate, thereby adjusting the display angle of the display 5.

[0027] It should be understood that the specific embodiments described herein are only used to understand the present invention and are not used to limit the present invention. All other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the present invention.

Claims

1. A multimedia English teaching device, characterized in that: The invention comprises a base (1), a lifting frame (3) being fixed on the base (1), a display (5) being provided on the lifting frame (3), the display (5) being slidably connected to the lifting frame (3) via a lifting mechanism (4), the lifting mechanism (4) comprising a lifting groove (401) provided on one side of the lifting frame (3), a motor (403) being provided at the inner bottom of the lifting groove (401), an output end of the motor (403) being connected to a screw rod (402), the other end of the screw rod (402) being rotatably connected to the inner top of the lifting groove (401), a screw rod nut (405) being threadedly connected to the screw rod (402), an outer side wall of the screw rod nut (405) being slidably connected to the lifting groove (401), the display (5) being fixed to the screw rod nut (405), and a fixing block (406) being fixedly connected to the upper and lower positions of one side of the display (5) 7), a rotatable writing magnetic plate (6) is connected between the two fixed blocks (7), a card slot (13) is provided on one side of the writing magnetic plate (6), a connecting rod (11) is slidably connected in the card slot (13), a card block (12) is fixedly connected to one side of the connecting rod (11), a cross block (10) is fixedly connected to the other side of the connecting rod (11), a fixed plate (14) is fixedly connected to one side of the display (5), a spring (15) is fixedly connected to one side of the fixing plate (14), a circular block (16) is fixedly connected to the other side of the spring (15), a circular tube (17) is fixedly connected to one side of the circular block (16), the spring (15) is sleeved on the circumferential side of the circular tube (17), the circular tube (17) is slidably connected to the fixing plate (14), and the connecting rod (11) is rotatably connected to the circular tube (17).

2. A multimedia English teaching device according to claim 1, characterized in that: Limit rods (404) are provided on both sides of the screw rod (402) in the lifting groove (401), and the screw rod nut (405) is slidably connected to the limit rods (404).

3. A multimedia English teaching device according to claim 1, characterized in that: A fixing rod (9) is provided on the rear side of the display (5), and a rotating block (8) is connected to the fixing rod (9).

4. A multimedia English teaching device according to claim 3, characterized in that: An electric turntable (2) is mounted on the upper end of the base (1), and a lifting frame (3) is fixedly connected to the upper end of the electric turntable (2).

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