Interactive teaching display device

Abstract

The utility model provides an interactive teaching display device, which belongs to the technical field of teaching appliances and comprises an insertion rod, and the outer surface of the insertion rod is slidably connected with a sliding sleeve shell. The two rotating arms are rotationally connected to the two ends of the sliding sleeve shell through rotating shafts; the interactive display screen is fixedly connected to the upper ends of the two rotating arms, in the natural state, the spring pushes the clamping tooth block to be meshed with the gear groove, the rotating arms are firmly locked, the screen is effectively prevented from accidentally rotating due to the dead weight or touch, and when the angle needs to be adjusted, only the pushing block needs to be rotated through the grip, and the interaction display screen can be conveniently adjusted. When the interaction display screen is rotated, the abutting block, the connecting rod and the stress plate are pushed to overcome spring force, so that the clamping tooth block is separated from the gear groove, the interaction display screen can be easily rotated to a required angle, and the grip is loosened.

Description

Technical Field

[0001] This utility model belongs to the field of teaching aids technology, specifically relating to an interactive teaching display device. Background Technology

[0002] Teaching aids are a general term for all kinds of tools and implements used by teachers to enable students to intuitively and vividly understand the teaching content. They can enhance students' learning interest, enrich their perceptual knowledge, help them form clear concepts, and develop their observation and thinking abilities. They are generally divided into three categories: general teaching aids, special teaching aids, and preschool teaching aids.

[0003] Traditional teaching demonstration devices mostly use fixed supports or simple adjustable structures, which have significant drawbacks:

[0004] 1. Inconvenient height adjustment: The height of the display screen needs to be adjusted manually by removing bolts or using complicated tools, which makes it difficult to accommodate users of different heights;

[0005] 2. Unreliable angle locking: The rotating arm lacks a self-locking mechanism, and even a slight collision can cause the screen angle to shift, affecting the continuity of teaching. Utility Model Content

[0006] The purpose of this invention is to provide an interactive teaching and demonstration device that aims to solve the problems mentioned in the prior art.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] An interactive teaching demonstration device includes:

[0009] A plug rod, the outer surface of which is slidably connected to a sliding sleeve;

[0010] Two rotating arms are rotatably connected to both ends of the sliding sleeve via a rotating shaft;

[0011] An interactive display screen is fixedly connected to the upper ends of two rotating arms;

[0012] A gear groove, wherein the gear groove is formed at one end of one of the rotating arms;

[0013] A snap-fit ​​tooth block is movably snapped into a gear groove;

[0014] A force-bearing plate, which is fixedly connected to one end of the snap-fit ​​tooth block;

[0015] A spring, which is fixedly connected to the adjacent ends of the sliding sleeve and the force-bearing plate;

[0016] A connecting rod, which is fixedly connected to the circumferential surface of the force-bearing plate, and a stop block is fixedly connected to one end of the connecting rod; and

[0017] Two mounting arms are fixedly connected to one end of the sliding sleeve, and the adjacent ends of the two mounting arms are rotatably connected to a rotating push block via a rotating rod. The rotating push block abuts against the abutment block.

[0018] As a preferred embodiment of this utility model, a limiting rod is fixedly connected to one end of the sliding sleeve, and a horizontal hole is opened at one end of the force plate, and the force plate is slidably connected to the circumferential surface of the limiting rod through the horizontal hole.

[0019] In a preferred embodiment of this utility model, an anti-detachment plate is fixedly connected to one end of the limiting rod, and the diameter of the anti-detachment plate is larger than the diameter of the limiting rod.

[0020] As a preferred embodiment of this utility model, one end of the sliding sleeve is fixedly connected to a limiting rod, one end of the force plate is provided with a limiting hole, and the force plate is slidably connected to the circumferential surface of the limiting rod through the limiting hole.

[0021] In a preferred embodiment of this utility model, a rotating plate is fixedly connected to one end of the rotating rod, and a handle is fixedly connected to one end of the rotating plate.

[0022] In a preferred embodiment of this utility model, a movable groove is provided at one end of the sliding sleeve, and a lead screw is rotatably connected between the upper and lower inner walls of the movable groove. A lead screw nut is threaded onto the circumferential surface of the lead screw, and the lead screw nut is fixedly connected to the insert rod.

[0023] In a preferred embodiment of this utility model, a placement plate is fixedly connected to the lower end of the insertion rod, an installation groove is provided on the upper inner wall of the moving groove, a motor is fixedly connected in the installation groove, and the output end of the motor is fixedly connected to the lead screw.

[0024] Compared with the prior art, the beneficial effects of this utility model are:

[0025] 1. In this solution, under natural conditions, the spring pushes the locking tooth block to engage with the gear groove, firmly locking the rotating arm and effectively preventing the screen from rotating accidentally due to its own weight or touch. When the angle needs to be adjusted, simply rotate the push block by the handle. The push block, connecting rod and force plate overcome the spring force, causing the locking tooth block to disengage from the gear groove. At this time, the interactive display screen can be easily rotated to the required angle. After releasing the handle, the spring automatically resets and the tooth block re-engages and locks. The operation is extremely simple, fast and the locking is stable and reliable.

[0026] 2. In this solution, the height adjustment and angle adjustment / locking mechanisms are integrated into the sliding housing and its related components, resulting in a compact structure. The angle unlocking is achieved through a carefully designed grip, which is ergonomic and allows for easy angle adjustment and locking with one hand, greatly improving the convenience of operation and user experience.

[0027] 3. In this solution, limiting rods and stop rods are set to ensure that the force plate and the connected locking teeth can only slide smoothly in the predetermined direction during the unlocking process, preventing deviation or jamming, and improving the smoothness and reliability of the locking / unlocking action. The anti-detachment plate further prevents the force plate from accidentally detaching from the limiting rod, enhancing the safety and durability of the device. Attached Figure Description

[0028] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0029] Figure 1 This is a front perspective view of the present invention;

[0030] Figure 2 This is a side perspective view of the present invention;

[0031] Figure 3 This is a perspective view of the main cross-section of this utility model;

[0032] Figure 4 In this utility model Figure 3 A magnified view of a section at point A in the middle;

[0033] Figure 5 This is a side sectional perspective view of the present invention.

[0034] In the diagram: 1. Placement plate; 2. Sliding sleeve; 3. Moving groove; 4. Lead screw; 5. Lead screw nut; 6. Rotating arm; 7. Interactive display screen; 8. Snap-fit ​​tooth block; 9. Force plate; 10. Limiting rod; 11. Anti-detachment plate; 12. Connecting rod; 13. Abutment block; 14. Spring; 15. Limiting rod; 16. Mounting arm; 17. Rotating plate; 18. Handle; 19. Insertion rod; 20. Motor; 21. Rotating push block. Detailed Implementation

[0035] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0036] Example 1

[0037] Please see Figure 1-5 The present invention provides the following technical solution:

[0038] An interactive teaching demonstration device includes:

[0039] Insert rod 19, with a sliding sleeve 2 slidably connected to the outer surface of insert rod 19;

[0040] Two rotating arms 6 are rotatably connected to both ends of the sliding sleeve 2 via a rotating shaft;

[0041] Interactive display screen 7 is fixedly connected to the upper ends of the two rotating arms 6;

[0042] A gear groove is formed at one end of one of the rotating arms 6;

[0043] The snap-fit ​​tooth block 8 is movably snapped into the gear groove;

[0044] Force plate 9, force plate 9 is fixedly connected to one end of snap-fit ​​tooth block 8;

[0045] Spring 14 is fixedly connected to the adjacent ends of the sliding sleeve 2 and the force plate 9;

[0046] Connecting rod 12 is fixedly connected to the circumferential surface of the force-bearing plate 9, and one end of connecting rod 12 is fixedly connected to abutment block 13; and

[0047] Two mounting arms 16 are fixedly connected to one end of the sliding sleeve 2, and the close ends of the two mounting arms 16 are rotatably connected to a rotating push block 21 through a rotating rod. The rotating push block 21 abuts against the abutment block 13.

[0048] A rotating plate 17 is fixedly connected to one end of the rotating rod, and a handle 18 is fixedly connected to one end of the rotating plate 17.

[0049] In a specific embodiment of this utility model, the sliding sleeve 2 is slidably fitted onto the outer surface of the insert rod 19 and can move up and down along the length of the insert rod 19. Two rotating arms 6 are rotatably connected to the left and right ends of the sliding sleeve 2 via rotating shafts. The rotating arms 6 can rotate around the rotating shafts connected to the sliding sleeve 2 within a certain angle range. The interactive display screen 7 is fixedly installed on the upper ends of the two rotating arms 6. Therefore, the lifting and lowering of the sliding sleeve 2 drives the rotating arms 6 to lift and lower, thereby realizing the height adjustment of the interactive display screen 7. The rotation of the rotating arms 6 realizes the tilt angle adjustment of the interactive display screen 7. At the end of one of the rotating arms 6, a gear groove is provided, and a snap-fit ​​tooth block 8 is movably set near the gear groove. Its tooth profile design can mesh with the gear groove. The snap-fit ​​tooth block 8 is pressed against the gear groove in its natural state. The force plate 9 is fixedly connected to the end of the snap-fit ​​tooth block 8 away from the gear groove. The two ends of the spring 14 are fixedly connected to the inner wall of the sliding sleeve 2 and the near end face of the force plate 9, respectively. The elastic force of the spring 14 always pushes the force plate 9 outward, thereby making the snap-fit ​​tooth block 8 more flexible. Block 8 tends to engage and lock with the gear groove on the rotating arm 6. One end of a connecting rod 12 is fixedly connected to the circumferential surface of the force-bearing plate 9, and the other end is fixedly connected to an abutment block 13. Two mounting arms 16 are fixedly connected to the same end of the sliding sleeve 2. The two mounting arms 16 are arranged in parallel and are rotatably connected to a rotating push block 21 at their close ends via a rotating rod. A specific part of the rotating push block 21 is designed to contact the abutment block 13 and apply pressure during rotation. A handle 18 is fixedly connected to the outer end of 17. By gripping and rotating the handle 18, the user can drive the rotating plate 17, the rotating rod and the rotating push block 21 to rotate together. When the rotating push block 21 rotates to a specific angle, its protruding part will press against the abutment block 13, and then push the force plate 9 to move inward against the elastic force of the spring 14 through the connecting rod 12, so that the locking tooth block 8 disengages from the gear groove on the rotating arm 6, thereby unlocking the angle. After releasing the handle 18, the spring 14 automatically resets and the locking tooth block 8 re-engages and locks.

[0050] Please refer to the details. Figure 2 One end of the sliding sleeve 2 is fixedly connected to a limiting rod 15. One end of the force plate 9 is provided with a horizontal hole, and the force plate 9 is slidably connected to the circumferential surface of the limiting rod 15 through the horizontal hole. One end of the limiting rod 15 is fixedly connected to an anti-detachment plate 11, and the diameter of the anti-detachment plate 11 is larger than the diameter of the limiting rod 15.

[0051] In this embodiment: A limiting rod 15 is fixedly connected to one end of the sliding sleeve 2. The rod is usually horizontally set, and a horizontal hole is opened at the corresponding position of the force plate 9. The force plate 9 is slidably sleeved on the circumferential surface of the limiting rod 15 through the horizontal hole. This allows the force plate 9 and its connected snap-fit ​​teeth 8 to slide only in the axial direction of the limiting rod 15, providing precise guidance for the unlocking action and preventing it from deviating or rotating. The diameter of the anti-detachment plate 11 is significantly larger than the diameter of the limiting rod 15, forming a flange structure. Its function is to prevent the force plate 9 from slipping off the end of the limiting rod 15 during the sliding process, ensuring the reliability and safety of the mechanism.

[0052] Please refer to the details. Figure 2 One end of the sliding sleeve 2 is fixedly connected to the limiting rod 10, and one end of the force plate 9 is provided with a limiting hole, and the force plate 9 is slidably connected to the circumferential surface of the limiting rod 10 through the limiting hole.

[0053] In this embodiment, the force plate 9 is also slidably sleeved on the circumferential surface of the limiting rod 10 through the limiting hole. The addition of the limiting rod 10 can further constrain the movement trajectory of the force plate 9, prevent it from undergoing slight twisting or shaking when subjected to force, and improve the rigidity and movement stability of the entire locking / unlocking mechanism.

[0054] Please refer to the details. Figure 3 The sliding sleeve 2 has a moving groove 3 at one end. A lead screw 4 is rotatably connected between the upper and lower inner walls of the moving groove 3. A lead screw nut 5 is threaded onto the circumferential surface of the lead screw 4. The lead screw nut 5 is fixedly connected to the insert rod 19.

[0055] In this embodiment: the lead screw nut 5 is fixedly connected to the insert rod 19. Therefore, when the lead screw 4 rotates, the lead screw nut 5 cannot rotate. It can only drive the insert rod 19 and the entire sliding sleeve 2, rotating arm 6, interactive display screen 7 and other components fixed on it to move along the axial direction of the lead screw 4, so as to achieve stepless height adjustment.

[0056] Please refer to the details. Figure 1 The lower end of the insertion rod 19 is fixedly connected to the placement plate 1, and the upper inner wall of the moving groove 3 is provided with an installation groove. The installation groove is fixedly connected to the motor 20, and the output end of the motor 20 is fixedly connected to the lead screw 4.

[0057] In this embodiment: the output end of the motor 20 is fixedly connected to the top of the lead screw 4 via a coupling or directly. By controlling the forward and reverse rotation of the motor 20, the lead screw 4 can be driven to rotate, and then the lead screw nut 5 drives the entire sliding sleeve 2 assembly to move up or down relative to the fixed insertion rod 19 and the placement plate 1, thereby realizing the electric stepless adjustment of the height of the interactive display screen 7.

[0058] Working principle and usage process of this utility model:

[0059] A handle 18 is fixedly connected to the outer end of the rotating plate 17. By gripping and rotating the handle 18, the user can drive the rotating plate 17, the rotating rod and the rotating push block 21 to rotate together. When the rotating push block 21 rotates to a specific angle, its protruding part will press against the abutment block 13, and then push the force plate 9 to move inward against the elastic force of the spring 14 through the connecting rod 12, so that the locking tooth block 8 disengages from the gear groove on the rotating arm 6, thereby unlocking the angle. After releasing the handle 18, the spring 14 automatically resets and the locking tooth block 8 re-engages and locks.

[0060] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An interactive teaching demonstration device, characterized in that, include: Insert rod (19), the outer surface of which is slidably connected to a sliding sleeve (2); Two rotating arms (6) are rotatably connected to both ends of the sliding sleeve (2) via a rotating shaft; An interactive display screen (7) is fixedly connected to the upper ends of two rotating arms (6); A gear groove is formed at one end of one of the rotating arms (6); A snap-fit ​​tooth block (8) is movably snapped into the gear groove; Force plate (9), the force plate (9) is fixedly connected to one end of the snap-fit ​​tooth block (8); Spring (14), which is fixedly connected to the adjacent ends of the sliding sleeve (2) and the force plate (9); A connecting rod (12) is fixedly connected to the circumferential surface of the force-bearing plate (9), and one end of the connecting rod (12) is fixedly connected to an abutment block (13); and Two mounting arms (16) are fixedly connected to one end of the sliding sleeve (2), and the adjacent ends of the two mounting arms (16) are rotatably connected to a rotating push block (21) via a rotating rod. The rotating push block (21) abuts against the abutting block (13).

2. The interactive teaching demonstration device according to claim 1, characterized in that, One end of the sliding sleeve (2) is fixedly connected to a limiting rod (15), and one end of the force plate (9) is provided with a horizontal hole, and the force plate (9) is slidably connected to the circumferential surface of the limiting rod (15) through the horizontal hole.

3. The interactive teaching demonstration device according to claim 2, characterized in that, One end of the limiting rod (15) is fixedly connected to an anti-detachment plate (11), the diameter of which is larger than the diameter of the limiting rod (15).

4. The interactive teaching demonstration device according to claim 3, characterized in that, One end of the sliding sleeve (2) is fixedly connected to a limiting rod (10), and one end of the force plate (9) is provided with a limiting hole. The force plate (9) is slidably connected to the circumferential surface of the limiting rod (10) through the limiting hole.

5. The interactive teaching demonstration device according to claim 4, characterized in that, One end of the rotating rod is fixedly connected to a rotating plate (17), and one end of the rotating plate (17) is fixedly connected to a handle (18).

6. The interactive teaching demonstration device according to claim 5, characterized in that, One end of the sliding sleeve (2) is provided with a moving groove (3), and a lead screw (4) is rotatably connected between the upper and lower inner walls of the moving groove (3). A lead screw nut (5) is threadedly connected to the circumferential surface of the lead screw (4), and the lead screw nut (5) is fixedly connected to the insert rod (19).

7. The interactive teaching demonstration device according to claim 6, characterized in that, The lower end of the insertion rod (19) is fixedly connected to the placement plate (1), and the upper inner wall of the moving groove (3) is provided with an installation groove. A motor (20) is fixedly connected in the installation groove, and the output end of the motor (20) is fixedly connected to the lead screw (4).

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