Advanced mathematical model splicing frame

Abstract

The utility model relates to the technical field of teaching model splicing frames, and discloses an advanced mathematical model splicing frame which comprises a flat plate, placing grooves are formed in the four corners of the top of the flat plate, first balls are rotationally connected into the placing grooves, and bolts are in threaded connection with the front ends and the rear ends of the left side and the right side of the flat plate. One end of the bolt sequentially penetrates through the placement groove and the first ball body, a fixed rod is fixedly connected to one side of the first ball body, a second ball body is rotatably connected to one side of the fixed rod, a hollow rod is fixedly connected to one side of the second ball body, and a movable rod is slidably connected to the interior of the hollow rod. According to the utility model, through the cooperation among the placing groove, the first ball body, the bolt and the second ball body, the device can be conveniently stored and carried, so that the occupied space of the device can be reduced, and through the cooperation among the first rotating shaft, the second rotating shaft and the connecting rod, demonstration teaching can be carried out on students at different height positions.

Description

Technical Field

[0001] The utility model relates to the technical field of teaching model assembly, in particular to a high-level mathematics model assembly. Background Art

[0002] A mathematical model is an abstract expression that uses mathematical language and symbols to describe an actual system, problem or phenomenon. It is a method of applying mathematics in science, engineering, economics and other fields. It simulates various situations in the real world by establishing mathematical equations and relationships. In order to explain the mathematical model more intuitively, mathematical model framing is needed.

[0003] After searching, the Chinese patent announcement number: CN210181880U discloses a high-level mathematical model puzzle, including a base, a first connecting rod, a magnetic ball, and a second connecting rod. The first connecting rod is arranged at the upper end of the base, and the mounting groove is arranged between the base and the first connecting rod. The mounting groove and the base are integrally formed, and the third connecting rod is arranged on one side of the first connecting rod. The magnetic ball is arranged on the upper end of the first connecting rod, and the scale line is arranged on the magnetic ball. The second connecting rod is installed on one side of the magnetic ball. The first connecting rod, the second connecting rod, and the third connecting rod are all provided with movable mechanisms inside. The utility model has a reasonable structure, simple operation, and convenient use. The equipment is composed of a plurality of first connecting rods, second connecting rods, and third connecting rods, which improves the practicality and use effect of the model puzzle. The deformable movable mechanism is adopted to improve the variability during use and the diversity of modeling.

[0004] However, the device is inconvenient to store and carry after use and occupies a large space, thereby reducing the practicality of the device and failing to meet the needs of users. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a high-level mathematical model puzzle, aiming to improve the problem in the prior art that the high-level mathematical model puzzle is inconvenient to store and carry after use.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a high-level mathematical model puzzle, including a flat plate, four corners of the top of the flat plate are provided with placement grooves, the inside of the placement groove is rotatably connected with a first sphere, the front and rear ends of the left and right sides of the flat plate are threadedly connected with bolts, one end of the bolt passes through the placement groove and the first sphere in sequence, one side of the first sphere is fixedly connected with a fixing rod, one side of the fixing rod is rotatably connected with a second sphere, one side of the second sphere is fixedly connected with a hollow rod, the inside of the hollow rod is slidably connected with a movable rod, the top of the movable rod is provided with a hole, the inner bottom of the hole is fixedly connected with a spring, the top of the spring is fixedly connected with a limiting rod, the top of the hollow rod is provided with a plurality of limiting holes at equal intervals, and the lower side of the flat plate is provided with a lifting mechanism.

[0007] As a further description of the above technical solution:

[0008] The lifting mechanism includes a base and a connecting rod, the base is arranged on the lower side of the flat plate, an open groove is opened in the middle of the top end of the base, the right side of the base is rotatably connected with a bidirectional screw rod, the left end of the bidirectional screw rod passes through the open groove and is rotatably connected with the left side inside the open groove, the left and right sides of the outer wall of the bidirectional screw rod are threadedly connected with movable blocks, the two movable blocks are slidably connected inside the open groove, the top of the movable block is rotatably connected with a first rotating shaft, a plurality of U-shaped plates are arranged on the upper side of the base, the inside of the U-shaped plates is rotatably connected with a second rotating shaft, and the two second rotating shafts are connected to the corresponding first rotating shafts through the connecting rod.

[0009] As a further description of the above technical solution:

[0010] A movable shaft is fixedly connected to the middle of the bottom end of the flat plate, a placement plate is arranged at the bottom of the flat plate, and the bottom end of the movable shaft is rotatably connected to the middle of the top end of the placement plate.

[0011] As a further description of the above technical solution:

[0012] One end of the movable rod is fixedly connected with a magnet, and the multiple magnets are attracted to each other by opposite charges.

[0013] As a further description of the above technical solution:

[0014] The plurality of limiting rods are respectively plugged into the corresponding limiting holes.

[0015] As a further description of the above technical solution:

[0016] The bottom of the base is provided with anti-slip grooves.

[0017] As a further description of the above technical solution:

[0018] The sizes of the fixing rod and the hollow rod are respectively matched with the inner sizes of the corresponding placement slots.

[0019] As a further description of the above technical solution:

[0020] The tops of the U-shaped plates are fixedly connected to the left and right sides of the bottom of the placement tray.

[0021] Beneficial Effects

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, by means of the coordination among the placement groove, the first sphere, the bolt, the second sphere, the limit rod, the spring and the limit hole, the mathematical model assembly can be conveniently stored and carried after use, thereby reducing the space occupied and improving the practicality of the device.

[0024] 2. In the utility model, through the cooperation between the bidirectional screw rod, the movable block, the first rotating shaft, the second rotating shaft and the connecting rod, the overall height of the model puzzle can be adjusted according to the needs of the user, so that it can be demonstrated and taught to students at different heights, thereby improving the teaching effect of the model puzzle. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A front view of a high-level mathematical model frame proposed by the utility model;

[0026] Figure 2 A top view of a high-level mathematical model assembly proposed by the utility model;

[0027] Figure 3 A cross-sectional view of a hollow rod structure of a high-level mathematical model frame proposed by the utility model;

[0028] Figure 4 This is a structural cross-sectional view of a lifting mechanism of a high-level mathematical model assembly proposed by the utility model;

[0029] Figure 5 The utility model is a schematic diagram of the flat plate structure of a lifting mechanism for assembling a high-level mathematical model.

[0030] Legend:

[0031] 1. Flat plate; 2. Lifting mechanism; 201. Base; 202. Open slot; 203. Bidirectional screw rod; 204. Movable block; 205. First rotating shaft; 206. U-shaped plate; 207. Second rotating shaft; 208. Connecting rod; 3. Placement slot; 4. First sphere; 5. Bolt; 6. Fixed rod; 7. Second sphere; 8. Hollow rod; 9. Movable rod; 10. Hole; 11. Spring; 12. Limit rod; 13. Limit hole; 14. Magnet; 15. Anti-slip pattern; 16. Placement plate; 17. Movable shaft. DETAILED DESCRIPTION

[0032] 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.

[0033] Reference Figure 1 , Figure 2 , Figure 3 and Figure 5 The utility model provides an embodiment: a high-level mathematical model puzzle, including a flat plate 1, four corners of the top of the flat plate 1 are provided with placement grooves 3, the inside of the placement grooves 3 is rotatably connected with a first sphere 4, the front and rear ends of the left and right sides of the flat plate 1 are threadedly connected with bolts 5, one end of the bolt 5 passes through the placement grooves 3 and the first sphere 4 in sequence, one side of the first sphere 4 is fixedly connected with a fixing rod 6, one side of the fixing rod 6 is rotatably connected with a second sphere 7, one side of the second sphere 7 is fixedly connected with a hollow rod 8, and the inside of the hollow rod 8 is slidably connected with A movable rod 9, a hole 10 is provided on the top of the movable rod 9, a spring 11 is fixedly connected to the inner bottom of the hole 10, a limit rod 12 is fixedly connected to the top of the spring 11, a plurality of limit holes 13 are equidistantly provided on the top of the hollow rod 8, a lifting mechanism 2 is provided on the lower side of the flat plate 1, the sizes of the fixed rod 6 and the hollow rod 8 are respectively matched with the internal sizes of the corresponding placement slots 3, a magnet 14 is fixedly connected to one end of the movable rod 9, the plurality of magnets 14 are attracted to each other by opposite charges, and the plurality of limit rods 12 are respectively plugged into the corresponding limit holes 13;

[0034] Specifically, when it is necessary to store the assembled model, first pull the movable rods 9 on both sides to release the adsorption between the magnets 14, and then press the limit rod 12, the extrusion force of the spring 11 will drive the limit rod 12 to disengage from the limit hole 13 and enter the hole 10, so that the movable rod 9 can be stored in the hollow rod 8, and then rotating the first sphere 4 can drive the fixed rod 6 to rotate so that it enters the placement groove 3, and then tighten the bolt 5 to limit and fix the first sphere 4, thereby completing the storage work, reducing the space occupied and improving the practicability of the device, and the sizes of the fixed rod 6 and the hollow rod 8 are respectively matched with the corresponding internal sizes of the placement groove 3, so that the fixed rod 6 and the hollow rod 8 can be just placed in the placement groove 3, so that the user can carry the stored model frame conveniently.

[0035] Reference Figure 1 and Figure 4 The lifting mechanism 2 includes a base 201 and a connecting rod 208. The base 201 is arranged on the lower side of the flat plate 1. An open groove 202 is provided in the middle of the top of the base 201. A bidirectional screw rod 203 is rotatably connected to the right side of the base 201. The left end of the bidirectional screw rod 203 passes through the open groove 202 and is rotatably connected to the left side of the inside of the open groove 202. The left and right sides of the outer wall of the bidirectional screw rod 203 are both threadedly connected with movable blocks 204. Both movable blocks 204 are slidably connected inside the open groove 202. The top of the movable block 204 is rotatably connected to a first rotating shaft 205. A plurality of U-shaped plates 206 are arranged on the upper side of the base 201. The inside of the U-shaped plates 206 is rotatably connected to a second rotating shaft 207. The two second rotating shafts 207 are connected to the corresponding first rotating shafts 205 through the connecting rod 208.

[0036] Specifically, when the height of the flat plate 1 needs to be adjusted, rotating the bidirectional screw rod 203 can drive the movable blocks 204 on both sides to move toward the middle, and the first rotating shaft 205 will rotate accordingly, and the second rotating shaft 207 will also rotate through the connecting rod 208, thereby driving the model frame on the flat plate 1 to rise, so that it can be used for demonstration and teaching to students at different heights. The two movable blocks 204 are both slidably connected inside the open groove 202 to limit the movable trajectory of the movable blocks 204, so that they will not rotate with the rotation of the bidirectional screw rod 203.

[0037] Reference Figure 1 The middle part of the bottom end of the flat plate 1 is fixedly connected with a movable shaft 17, a placement plate 16 is arranged at the bottom of the flat plate 1, the bottom end of the movable shaft 17 is rotatably connected to the middle part of the top end of the placement plate 16, and the top of the U-shaped plate 206 is fixedly connected to the left and right sides of the bottom of the placement plate 16;

[0038] Specifically, the placement plate 16 can be driven to rotate by the movable shaft 17, so that the assembled model frame can be conveniently displayed at multiple angles, thereby improving the practicality of the device.

[0039] Reference Figure 1 and Figure 4 , the bottom of the base 201 is provided with anti-slip grooves 15;

[0040] Specifically, the anti-slip pattern 15 can increase the friction between the base 201 and the tabletop, thereby improving the overall stability of the model assembly.

[0041] Working principle: When using the mathematical model to build a frame, first loosen the bolt 5 to release the limit on the first sphere 4, then take the fixing rod 6 out of the placement slot 3, and then press the limit rod 12. At this time, the extrusion force of the spring 11 will drive the limit rod 12 to disengage from the limit hole 13 and enter the hole 10. At this time, pull out the movable rod 9, and the overall length of the hollow rod 8 can be adjusted according to the needs of the user. The opposite poles of the magnets 14 can be attracted to each other to connect every two movable rods 9, and then the second sphere 7 can be used to drive the hollow rod 8 to rotate at will, so that different geometric models can be combined. When the model frame is built using the structure After the assembly is completed, the above operation can be repeated to store the model frame, thereby reducing the space it occupies and improving the practicality of the device. When the geometric model to be displayed is assembled, rotating the bidirectional screw rod 203 can drive the movable blocks 204 on both sides to move toward the middle. At this time, the first rotating shaft 205 on the top of the movable block 204 will rotate accordingly, and the second rotating shaft 207 will also rotate through the connecting rod 208, thereby driving the placement plate 16 to rise, and the model frame on the flat plate 1 will rise accordingly, so that it can be displayed and taught to students at different heights, thereby improving the teaching effect of the model frame.

[0042] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-level mathematical model assembly, comprising a plate (1), characterized in that: The top four corners of the plate (1) are provided with placement grooves (3), the inside of the placement grooves (3) is rotatably connected with a first sphere (4), the front and rear ends of the left and right sides of the plate (1) are threadedly connected with bolts (5), one end of the bolt (5) passes through the placement grooves (3) and the first sphere (4) in sequence, one side of the first sphere (4) is fixedly connected with a fixing rod (6), one side of the fixing rod (6) is rotatably connected with a second sphere (7), one side of the second sphere (7) is fixedly connected with a hollow rod (8), the inside of the hollow rod (8) is slidably connected with a movable rod (9), the top of the movable rod (9) is provided with a hole (10), the inner bottom of the hole (10) is fixedly connected with a spring (11), the top of the spring (11) is fixedly connected with a limiting rod (12), the top of the hollow rod (8) is provided with a plurality of limiting holes (13) at equal intervals, and the lower side of the plate (1) is provided with a lifting mechanism (2).

2. The advanced mathematical model assembly according to claim 1, characterized in that: The lifting mechanism (2) comprises a base (201) and a connecting rod (208); the base (201) is arranged on the lower side of the flat plate (1); an open groove (202) is provided in the middle of the top of the base (201); a bidirectional screw rod (203) is rotatably connected to the right side of the base (201); the left end of the bidirectional screw rod (203) passes through the open groove (202) and is rotatably connected to the left side of the inside of the open groove (202); the left and right sides of the outer wall of the bidirectional screw rod (203) are both screw-threaded. The base (201) is connected to a movable block (204) through a groove, and the two movable blocks (204) are slidably connected inside the open groove (202). The top of the movable block (204) is rotatably connected to a first rotating shaft (205). A plurality of U-shaped plates (206) are arranged on the upper side of the base (201), and the inside of the U-shaped plates (206) is rotatably connected to a second rotating shaft (207). The two second rotating shafts (207) are connected to the corresponding first rotating shafts (205) through the connecting rod (208).

3. The advanced mathematical model assembly according to claim 2, characterized in that: A movable shaft (17) is fixedly connected to the middle of the bottom end of the flat plate (1), a placement plate (16) is provided at the bottom of the flat plate (1), and the bottom end of the movable shaft (17) is rotatably connected to the middle of the top end of the placement plate (16).

4. The advanced mathematical model puzzle according to claim 1, characterized in that: One end of the movable rod (9) is fixedly connected to a magnet (14), and the plurality of magnets (14) attract each other with opposite polarities.

5. The advanced mathematical model puzzle according to claim 1, characterized in that: The plurality of limiting rods (12) are respectively plugged into corresponding limiting holes (13).

6. The advanced mathematical model assembly according to claim 2, characterized in that: The bottom of the base (201) is provided with anti-slip grooves (15).

7. The advanced mathematical model puzzle according to claim 1, characterized in that: The sizes of the fixing rod (6) and the hollow rod (8) respectively match the internal sizes of the corresponding placement slots (3).

8. The advanced mathematical model puzzle according to claim 3, characterized in that: The top of the U-shaped plate (206) is fixedly connected to the left and right sides of the bottom of the placement plate (16).

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