Adjustable demonstration frame based on gravity experiment
By designing an adjustable demonstration stand with a hydraulic press and motor-driven worm gear system, the shortcomings of the early demonstration stand in terms of angle adjustment were solved, and flexible adjustment of the angle and height of the demonstration board was achieved, which enhanced the visualization and accuracy of the experiment.
Patent Information
- Application Number
- CN202422008538.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-19
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-08-19
AI Technical Summary
Early demonstration stands lacked in angle adjustment to effectively adjust the experimental settings to better study and demonstrate the results of gravity experiments.
An adjustable demonstration rack based on gravity experiments was designed, which drives the connection rack to slide through a hydraulic press, and combines a motor-driven worm and gear system to achieve angle and height adjustment of the demonstration board.
It realizes flexible adjustment of the angle and height of the demonstration board, enhances the visualization and accuracy of the experiment, and is suitable for better demonstration and research on the impact of gravity experiments.
Smart Images
Figure CN223051796U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of teaching aids, in particular to an adjustable demonstration stand for gravity experiments. Background Technique
[0002] Gravity experiments are experiments used to study the behavior of objects under the action of the earth's gravity. In order to achieve visualization and simplify the experimental process, making it more intuitive to observe and understand the influence of gravity, and enabling more accurate analysis and demonstration of the action and effect of gravity, an adjustable demonstration stand for gravity experiments is needed.
[0003] An adjustable demonstration stand is a device used for scientific experiments and demonstrations, usually used to display and test physical phenomena. It allows users to adjust the angles, positions and other parameters of the device or object, so as to better study and demonstrate the experimental results. Early demonstration stand designs may only focus on fixed experimental setups, so they cannot achieve good angle adjustment effects. Content of the Utility Model
[0004] To make up for the above deficiencies, the utility model provides an adjustable demonstration stand for gravity experiments, aiming to improve the problem that early demonstration stands cannot achieve good angle adjustment.
[0005] To achieve the above purpose, the utility model provides the following technical solutions:
[0006] The adjustable demonstration stand for gravity experiments includes a connecting plate. The upper surface of the connecting plate is fixedly connected with a support plate. The inside of the support plate is fixedly connected with a hydraulic press. The output end of the hydraulic press is fixedly connected with a connecting frame. The inside of the connecting frame is fixedly connected with a first connecting shaft. The outer wall of the first connecting shaft is slidably connected with a connecting frame. The outer wall of the connecting frame is fixedly connected with a rotating rod. The inside of the rotating rod is fixedly connected with a rotating shaft. The upper surface of the connecting plate is fixedly connected with a first fixing frame. The outer wall of the rotating shaft is rotatably connected inside the first fixing frame. The outer wall of the first fixing frame is fixedly connected with a limiting block. The lower surface of the connecting frame is slidably connected to the upper surface of the limiting block. The outer wall of the first connecting shaft is slidably connected inside the first fixing frame. The upper surface of the rotating rod is fixedly connected with a demonstration board. The lower surface of the connecting plate is provided with a support assembly for supporting the connecting plate.
[0007] Preferably, the support assembly includes a telescopic rod. The upper surface of the telescopic rod is fixedly connected to the lower surface of the connecting plate. The lower surface of the telescopic rod is fixedly connected with a bottom plate.
[0008] Preferably, the upper surface of the bottom plate is fixedly connected with a support platform. The upper surface of the support platform is fixedly connected with a motor.
[0009] Preferably, a worm is fixedly connected to the output end of the motor, a turbine is meshed with the outer wall of the worm, and a second fixing frame is fixedly connected to the upper surface of the support platform.
[0010] Preferably, the outer wall of the worm is rotatably connected to the inside of the second fixing frame, and a fixing block is fixedly connected to the upper surface of the second fixing frame.
[0011] Preferably, a second connecting shaft is fixedly connected to the inside of the fixing block, and the inner wall of the turbine is fixedly connected to the outer wall of the second connecting shaft.
[0012] Preferably, a gear is fixedly connected to the outer wall of the second connecting shaft, a rack is meshed with the outer wall of the gear, a fixing ring is fixedly connected to the upper surface of the support platform, and the outer wall of the rack is slidably connected to the inner wall of the fixing ring.
[0013] Preferably, a sliding rod is slidably connected to the inner wall of the fixing ring, the upper surface of the rack is fixedly connected to the lower surface of the connecting plate, and the upper surface of the sliding rod is fixedly connected to the lower surface of the connecting plate.
[0014] The utility model has the following beneficial effects:
[0015] 1. In the utility model, the hydraulic press drives the connecting frame to slide on the limiting block, and then drives the first connecting shaft to slide inside the connecting frame, and drives the rotating rod to rotate inside the first fixing frame through the rotating shaft, achieving the effect of adjusting the angle of the demonstration board.
[0016] 2. In the utility model, the motor drives the worm to rotate, which in turn drives the turbine to rotate. The turbine drives the second connecting shaft to rotate, which in turn drives the gear to rotate. The gear drives the rack to slide in the fixing ring, thereby achieving the effect of adjusting the height of the connecting plate. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is a three-dimensional view of the adjustable demonstration rack for gravity experiments proposed by the utility model;
[0018] Figure 2 is a sectional view of the first fixing block of the adjustable demonstration rack for gravity experiments proposed by the utility model;
[0019] Figure 3 is a schematic diagram of the gear of the adjustable demonstration rack for gravity experiments proposed by the utility model;
[0020] Figure 4 is a schematic diagram of the rack of the adjustable demonstration rack for gravity experiments proposed by the utility model.
[0021] Legend:
[0022] 1. Connecting plate; 2. Support plate; 3. Hydraulic press; 4. Connecting frame; 5. First connecting shaft; 6. Connecting frame; 7. Rotating rod; 8. Rotating shaft; 9. First fixed frame; 10. Limiting block; 11. Demonstration board; 12. Telescopic rod; 13. Bottom plate; 14. Support platform; 15. Motor; 16. Worm; 17. Second fixed frame; 18. Fixed block; 19. Turbine; 20. Rack; 21. Fixed ring; 22. Sliding rod; 23. Gear; 24. Second connecting shaft. Detailed implementation manners
[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the specification drawings of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0024] Referring to Figure 1 and Figure 2 , an embodiment provided by the present invention: An adjustable demonstration rack for gravity experiments includes a connecting plate 1. The upper surface of the connecting plate 1 is fixedly connected with a support plate 2. The inside of the support plate 2 is fixedly connected with a hydraulic press 3. The output end of the hydraulic press 3 is fixedly connected with a connecting frame 4. The inside of the connecting frame 4 is fixedly connected with a first connecting shaft 5. The outer wall of the first connecting shaft 5 is slidably connected with a connecting frame 6. The outer wall of the connecting frame 6 is fixedly connected with a rotating rod 7. The inside of the rotating rod 7 is fixedly connected with a rotating shaft 8. The upper surface of the connecting plate 1 is fixedly connected with a first fixed frame 9. The outer wall of the rotating shaft 8 is rotatably connected inside the first fixed frame 9. The outer wall of the first fixed frame 9 is fixedly connected with a limiting block 10. The lower surface of the connecting frame 4 is slidably connected to the upper surface of the limiting block 10. The outer wall of the first connecting shaft 5 is slidably connected inside the first fixed frame 9. The upper surface of the rotating rod 7 is fixedly connected with a demonstration board 11. A support assembly is provided on the lower surface of the connecting plate 1, and the support assembly is used to support the connecting plate 1.
[0025] Specifically, the motor 15 drives the worm 16 and then drives the turbine 19 to rotate. The turbine 19 drives the gear 23 to rotate through the second connecting shaft 24. The gear 23 drives the rack 20 to move up and down, thereby adjusting the height of the connecting plate 1. The telescopic rod 12 and the sliding rod 22 play a role in assisting to support the connecting plate 1. The support platform 14 on the bottom plate 13 plays a role in supporting and fixing the second fixed frame 17 and the fixed ring 21. The second fixed frame 17 plays a role in supporting and fixing the fixed block 18.
[0026] Referring to Figure 1, the support assembly includes a telescopic rod 12, the upper surface of the telescopic rod 12 is fixedly connected to the lower surface of the connecting plate 1, and the lower surface of the telescopic rod 12 is fixedly connected to a bottom plate 13.
[0027] Specifically, the telescopic rod 12 functions to support the connecting plate 1.
[0028] Refer to Figure 1 、 Figure 3 and Figure 4 , a support platform 14 is fixedly connected to the upper surface of the bottom plate 13, and a motor 15 is fixedly connected to the upper surface of the support platform 14; a worm 16 is fixedly connected to the output end of the motor 15, a turbine 19 is meshed with the outer wall of the worm 16, and a second fixed frame 17 is fixedly connected to the upper surface of the support platform 14; the outer wall of the worm 16 is rotatably connected inside the second fixed frame 17, and a fixed block 18 is fixedly connected to the upper surface of the second fixed frame 17; a second connecting shaft 24 is fixedly connected inside the fixed block 18, and the inner wall of the turbine 19 is fixedly connected to the outer wall of the second connecting shaft 24; a gear 23 is fixedly connected to the outer wall of the second connecting shaft 24, a rack 20 is meshed with the outer wall of the gear 23, a fixed ring 21 is fixedly connected to the upper surface of the support platform 14, and the outer wall of the rack 20 is slidably connected to the inner wall of the fixed ring 21; a sliding rod 22 is slidably connected to the inner wall of the fixed ring 21, the upper surface of the rack 20 is fixedly connected to the lower surface of the connecting plate 1, and the upper surface of the sliding rod 22 is fixedly connected to the lower surface of the connecting plate 1.
[0029] Specifically, the hydraulic press 3 functions to drive the connecting frame 4 to slide on the limiting block 10, thereby driving the first connecting shaft 5 to slide inside the connecting frame 6. The rotating shaft 8 functions to drive the rotating rod 7 to rotate inside the first fixed frame 9, and the support plate 2 functions to support and fix the hydraulic press 3.
[0030] Working principle: When the demonstration rack needs to be used, first, the motor 15 drives the turbine 19 to rotate through the worm 16. The turbine 19 drives the gear 23 to rotate through the second connecting shaft 24. The gear 23 drives the rack 20, and thus the height of the connecting plate 1 can be adjusted. The telescopic rod 12 and the sliding rod 22 play a role in assisting to support the connecting plate 1. The support platform 14 on the bottom plate 13 plays a role in supporting and fixing the second fixing frame 17 and the fixing ring 21. The second fixing frame 17 plays a role in supporting the fixing block 18, and thus supports the turbine 19 and the gear 23 through the second connecting shaft 24. The fixing ring 21 plays a role in limiting the rack 20 and the sliding rod 22. Then, the hydraulic press 3 can drive the connecting frame 4 to slide on the limiting block 10, drive the first connecting shaft 5 to slide inside the connecting frame 6, and thus drive the rotating rod 7 to rotate on the inner wall of the first fixing frame 9 through the rotating shaft 8. Finally, the angle of the demonstration board 11 can be adjusted through the rotating rod 7. The support plate 2 plays a role in supporting and fixing the hydraulic press 3. In the gravity experiment, this demonstration rack can not only achieve the effect of height adjustment, but also achieve the effect of adjusting the angle of the demonstration board 11, and can better provide convenience for the demonstration of the gravity experiment.
[0031] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. An adjustable demonstration stand for gravity-based experiments, comprising a connecting plate (1), characterized in that: The upper surface of the connecting plate (1) is fixedly connected to a supporting plate (2), the interior of the supporting plate (2) is fixedly connected to a hydraulic press (3), the output end of the hydraulic press (3) is fixedly connected to a connecting frame (4), the interior of the connecting frame (4) is fixedly connected to a first connecting shaft (5), the outer wall of the first connecting shaft (5) is slidably connected to a connecting frame (6), the outer wall of the connecting frame (6) is fixedly connected to a rotating rod (7), the interior of the rotating rod (7) is fixedly connected to a rotating shaft (8), and the upper surface of the connecting plate (1) is fixedly connected to A first fixed frame (9) is provided, the outer wall of the rotating shaft (8) is rotatably connected to the inside of the first fixed frame (9), the outer wall of the first fixed frame (9) is fixedly connected to a limit block (10), the lower surface of the connecting frame (4) is slidably connected to the upper surface of the limit block (10), the outer wall of the first connecting shaft (5) is slidably connected to the inside of the first fixed frame (9), the upper surface of the rotating rod (7) is fixedly connected to a demonstration board (11), and the lower surface of the connecting plate (1) is provided with a support assembly, and the support assembly is used to support the connecting plate (1).
2. The adjustable demonstration stand for gravity-based experiments according to claim 1, characterized in that: The support assembly comprises a telescopic rod (12), the upper surface of the telescopic rod (12) is fixedly connected to the lower surface of the connecting plate (1), and the lower surface of the telescopic rod (12) is fixedly connected to a bottom plate (13).
3. The adjustable demonstration stand for gravity-based experiments according to claim 2, characterized in that: The upper surface of the bottom plate (13) is fixedly connected to a support platform (14), and the upper surface of the support platform (14) is fixedly connected to a motor (15).
4. The adjustable demonstration stand for gravity-based experiments according to claim 3, characterized in that: The output end of the motor (15) is fixedly connected to a worm (16), the outer wall of the worm (16) is meshingly connected to a turbine (19), and the upper surface of the support platform (14) is fixedly connected to a second fixed frame (17).
5. The adjustable demonstration stand for gravity-based experiments according to claim 4, characterized in that: The outer wall of the worm (16) is rotatably connected to the inside of a second fixed frame (17), and a fixing block (18) is fixedly connected to the upper surface of the second fixed frame (17).
6. The adjustable demonstration stand for gravity-based experiments according to claim 5, characterized in that: A second connecting shaft (24) is fixedly connected inside the fixed block (18), and an inner wall of the turbine (19) is fixedly connected to an outer wall of the second connecting shaft (24).
7. The adjustable demonstration stand for gravity-based experiments according to claim 6, characterized in that: The outer wall of the second connecting shaft (24) is fixedly connected to a gear (23), the outer wall of the gear (23) is meshingly connected to a gear rod (20), the upper surface of the support platform (14) is fixedly connected to a fixing ring (21), and the outer wall of the gear rod (20) is slidably connected to the inner wall of the fixing ring (21).
8. The adjustable demonstration stand for gravity-based experiments according to claim 7, characterized in that: The inner wall of the fixing ring (21) is slidably connected to a sliding rod (22), the upper surface of the gear rod (20) is fixedly connected to the lower surface of the connecting plate (1), and the upper surface of the sliding rod (22) is fixedly connected to the lower surface of the connecting plate (1).