Demonstration device for mathematics

Abstract

The utility model discloses a demonstration device for mathematics, which is used for improving the portability of the demonstration device and improving the flexibility and efficiency of teaching. The demonstration instrument comprises a box body, a demonstration main body and a loading box, the demonstration main body is movably connected in the box body through a connecting column, the demonstration main body can rotate around the connecting column, and the box body is used for accommodating the demonstration main body and the loading box; a plurality of blocking rods and a collecting groove are arranged in the demonstration body, the collecting groove is located below the blocking rods, a first inlet is formed in the top of the demonstration body, a first outlet is formed in one end of the loading box, and when the first outlet of the loading box is inserted into the first inlet of the demonstration body, the first outlet of the loading box is inserted into the first outlet of the demonstration body. The demonstration balls in the loading box pass through the plurality of blocking rods and reach the collection groove.

Description

Technical Field

[0001] The present invention relates to the technical field of teaching equipment, and in particular to a demonstration device for mathematics. Background Art

[0002] In the teaching of statistics and related subjects in the field of education, the normal distribution is an important theoretical model that describes the distribution law of a large number of random variables. In order to help students intuitively understand the concept and characteristics of the normal distribution, various experimental devices are often used for demonstration teaching in the teaching process.

[0003] The demonstration device simulates the formation process of the normal distribution and the changes in its key parameters (such as mean and variance), allowing students to observe the morphological changes of the normal distribution curve, thereby deepening their understanding of theoretical knowledge. However, existing demonstration devices for normal distribution are often large in size and need to be frequently moved between different classrooms or teaching venues, which not only increases the burden on teachers but also affects the flexibility and efficiency of teaching.

[0004] In addition, the existing demonstration devices are not portable enough and cannot meet the needs of teachers to carry them between classes.

[0005] Based on this, the present application proposes a mathematical demonstration device to solve the above technical problems. Utility Model Content

[0006] In order to solve the above technical problems, the present application provides a demonstration device for mathematics, which can improve the portability of the demonstration device and enhance the flexibility and efficiency of teaching.

[0007] The present application provides a mathematical demonstration device comprising:

[0008] Cabinet, demonstration body and loading box;

[0009] The demonstration body is movably connected to the box through a connecting column. The demonstration body can rotate around the connecting column. The box is used to accommodate the demonstration body and the loading box.

[0010] The demonstration body is provided with a plurality of gear rods and a collection trough, and the collection trough is located below the gear rods. A first inlet is provided at the top of the demonstration body, and a first outlet is provided at one end of the loading box. When the first outlet of the loading box is inserted into the first inlet of the demonstration body, the demonstration balls in the loading box pass through the gear rods and reach the collection trough.

[0011] Optionally, the presentation body is further provided with a collecting part, the collecting part is located below the collecting groove, the collecting part and the collecting groove are separated by a movable plate, one side of the presentation body is provided with a pull ring, the pull ring is connected with the movable plate, so that when the movable plate is pulled open by the pull ring, the collecting groove and the collecting part are communicated, and the collecting part is used for accommodating the presentation balls in the collecting groove.

[0012] Optionally, the bottom of the collecting part is provided with a second outlet, and the loading box is provided with a second inlet, and the second outlet is used for aligning with the second inlet.

[0013] Optionally, the collecting part is provided with a slope.

[0014] Optionally, the box is provided with a supporting column, when the presentation body is accommodated in the box, the supporting column is used for supporting the presentation body.

[0015] Optionally, when the presentation body is accommodated in the box, an accommodation area is formed between the presentation body and the bottom of the box, and the accommodation area is used for accommodating the loading box.

[0016] Optionally, the box further comprises a cover plate, and the cover plate is connected with the box by a locking member.

[0017] Optionally, the side of the box is provided with a handle.

[0018] Optionally, the first outlet of the loading box is provided with a valve plate, and the valve plate is used for controlling the opening or closing of the first outlet.

[0019] Optionally, the loading box and the presentation body are made of transparent material.

[0020] From the above technical solutions, the application has the following effects:

[0021] The application can reduce the volume of the normal distribution demonstration device, thereby reducing the occupied space, and improve the portability of the demonstration device for teachers during class. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative effort.

[0023] Figure 1 A schematic view of a mathematical demonstration device according to the present application;

[0024] Figure 2 Another schematic view of a mathematical demonstration device according to the present application;

[0025] Figure 3 A schematic view of a demonstration main body in a mathematical demonstration device according to the present application;

[0026] Figure 4 Another schematic view of a mathematical demonstration device according to the present application;

[0027] Figure 5 A schematic view of a cover plate in a mathematical demonstration device according to the present application;

[0028] In the present application, the box 01, the demonstration main body 02, the loading box 03, the connecting column 04, the stop lever 05, the collecting groove 06, the first outlet 07, the first inlet 08, the collecting part 09, the movable plate 10, the pull ring 11, the second outlet 12, the second inlet 13, the slope 14, the supporting column 15, the cover plate 16, the locking part 17, the handle 18, the valve plate 19, and the demonstration ball 20. DETAILED DESCRIPTION

[0029] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "transverse", "longitudinal", and the like indicate the orientation or positional relationship shown in the drawings, and are only used to illustrate the relative positional relationship between the components or constituent parts, and do not particularly limit the specific installation orientation of the components or constituent parts.

[0030] In addition, the above-mentioned terms can be used to represent other meanings in addition to the orientation or positional relationship, for example, the term "upper" can also be used to represent a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific circumstances.

[0031] In addition, the terms "mounting", "arrangement", "provided with", "connected", "linked" should be interpreted broadly. For example, it can be fixed connection, detachable connection, or integral structure; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0032] In addition, the structure, proportion, size, etc. drawn in the drawings attached in the present application are only used to cooperate with the disclosed content in the specification, to enable those skilled in the art to understand and read, and do not have technical substantive significance, any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose that can be achieved by the present application, still falls within the scope of the technical content disclosed by the present application.

[0033] The technical solutions in the embodiments of the present application will be described clearly and completely in the following with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0034] The present application provides a demonstration device for mathematics, which is used to improve the portability of the demonstration device, and improve the flexibility and efficiency of teaching. The specific implementation process of the present application is described as follows.

[0035] Please refer to Figures 1 to 5 The demonstration device for mathematics provided by the present application comprises:

[0036] The box body 01, the demonstration main body 02 and the loading box 03;

[0037] The demonstration main body 02 is movably connected in the box body 01 through the connecting column 04, the demonstration main body 02 can rotate around the connecting column 04, and the box body 01 is used to accommodate the demonstration main body 02 and the loading box 03;

[0038] The demonstration main body 02 is provided with a plurality of stop rods 05 and a collection groove 06, the collection groove 06 is located below the plurality of stop rods 05, the top of the demonstration main body 02 is provided with a first inlet 08, one end of the loading box 03 is provided with a first outlet 07, when the first outlet 07 of the loading box 03 is inserted into the first inlet 08 of the demonstration main body 02, the demonstration balls 20 in the loading box 03 pass through the plurality of stop rods 05 and reach the collection groove 06.

[0039] The loading box 03 is used for loading and carrying the demonstration balls 20, and the demonstration balls 20 are uniformly input into the demonstration main body 02, so that the normal distribution test demonstration is realized. In the demonstration main body 02, there is a certain distance between the adjacent barriers 05, so as to ensure that the demonstration balls 20 can randomly pass through the positions of the barriers 05 and then randomly fall into any one of the collection grooves 06 below. A plurality of collection grooves 06 are arranged below the plurality of barriers 05, and when all the demonstration balls 20 pass through the positions of the plurality of barriers 05, the demonstration balls 20 are randomly dropped into any one of the collection grooves 06, so that the normal distribution result curve is displayed in the collection grooves 06.

[0040] The connecting columns 04 are arranged on both sides of one end of the demonstration main body 02 close to the collection grooves 06, and the connecting columns 04 on both sides are movably connected with the inner wall of the box body 01. The demonstration main body 02 is controlled to rotate around the connecting columns 04 as fulcrums, and the rotation angle is 0-90 degrees (0 degrees parallel to the box body 01 and 90 degrees perpendicular to the box body 01). When rotating to be parallel to the box body 01, the entire demonstration main body 02 is located inside the box body 01. By arranging the box body 01 and the connecting columns 04, the functions of unfolding during use and storing when not in use are realized.

[0041] The aperture of the first outlet 07 on the loading box 03 is smaller than the aperture of the first inlet 08 on the demonstration main body 02, so that the first outlet 07 is inserted into the first inlet 08, and the demonstration balls 20 are conveniently input into the demonstration main body 02, so as to avoid the demonstration balls 20 from falling outside.

[0042] In the embodiment, the demonstration main body 02 is arranged in the box body 01, and one end of the demonstration main body 02 is movably connected with the box body 01 through the connecting columns 04. Under the action of external force, the demonstration main body 02 can rotate around the connecting columns 04, so as to realize the functions of storing the demonstration main body 02 and unfolding the demonstration main body 02 for normal distribution test demonstration. The loading box 03 is used for loading and carrying the demonstration balls 20, so as to conveniently put the demonstration balls 20 into the demonstration main body 02. Therefore, the demonstration main body 02 can be stored in the box body 01 when not in use, and compared with the traditional demonstration device, the volume is reduced and the storage is facilitated. The demonstration device is also convenient to move between different classrooms or teaching sites, and the portability is improved.

[0043] In an alternative embodiment, the demonstration main body 02 is further provided with a collecting part 09, which is located below the collecting groove 06 and separated from the collecting groove 06 by the movable plate 10. The demonstration main body 02 is provided with a pull ring 11, which is connected with the movable plate 10. When the pull ring 11 is pulled to open the movable plate 10, the collecting groove 06 is communicated with the collecting part 09, and the collecting part 09 is used to receive the demonstration balls 20 in the collecting groove 06. In this embodiment, the collecting part 09 is a part of the demonstration main body 02. After the demonstration, the demonstration balls 20 need to be taken out of the collecting groove 06, so as to facilitate the next demonstration. Therefore, the movable plate 10 is arranged at the bottom of the collecting groove 06 and can be controlled to move. After the movable plate 10 is moved away from the bottom of the collecting groove 06, the collecting groove 06 is communicated with the collecting part 09, so that all the demonstration balls 20 in the collecting groove 06 fall into the collecting part 09. Then, the movable plate 10 is pushed into the bottom of the collecting groove 06 again, and the next demonstration can be performed.

[0044] The movable plate 10 is horizontally inserted into the bottom of the collecting groove 06 from one side of the demonstration main body 02. After being inserted to a certain depth, the movable plate 10 can completely block the collecting groove 06 and the collecting part 09. At this time, the demonstration balls 20 cannot enter the collecting part 09 from the collecting groove 06. The pull ring 11 is arranged at one side of the movable plate 10, which facilitates the movement of the movable plate 10.

[0045] In this alternative embodiment, the bottom of the collecting part 09 is provided with a second outlet 12, and the loading box 03 is provided with a second inlet 13. The second outlet 12 is used to align with the second inlet 13. After the demonstration balls 20 in the loading box 03 are all poured into the demonstration main body 02, the loading box 03 can be moved to the bottom of the demonstration main body 02, and the second inlet 13 in the loading box 03 is aligned with the second outlet 12 at the bottom of the demonstration main body 02. When the movable plate 10 is moved away by the pull ring 11, the demonstration balls 20 fall into the collecting part 09 from the collecting groove 06, and further fall into the loading box 03 through the second outlet 12.

[0046] Two loading boxes 03 can be arranged. One loading box 03 is used to pour the demonstration balls 20 above the demonstration main body 02, and the other loading box 03 is placed in the box body 01 (below the demonstration main body 02) and used to collect the demonstration balls 20 discharged from the demonstration main body 02 after the demonstration.

[0047] In this alternative embodiment, the collecting part 09 is provided with a slope 14. In order to facilitate the demonstration balls 20 to be discharged from the collecting part 09 through the second outlet 12 as soon as possible, the slope 14 is arranged in the collecting part 09 and inclined to the position of the second outlet 12. Therefore, the demonstration balls 20 entering the collecting part 09 quickly reach the position of the second outlet 12 along the slope 14.

[0048] In an optional embodiment, support columns 15 are provided within the housing 01. When the demonstrator 02 is stored within the housing 01, the support columns 15 are used to support the demonstrator 02. The support columns 15 can be fixed to the housing 01 by gluing or threading, or the support columns 15 and the housing 01 can be integrally formed. The specific connection method is not limited and is subject to practical implementation. In this embodiment, the support columns 15 are located within the housing 01 at an end away from the connecting columns 04. When the demonstrator 02 is controlled to rotate about the connecting columns 04 to the stored position (parallel to the housing 01), the demonstrator 02 abuts against the upper surface of the support columns 15.

[0049] In this alternative embodiment, when demonstrator body 02 is stored in case 01, a storage area is formed between demonstrator body 02 and the bottom of case 01, which is used to store loading box 03. When demonstrator body 02 abuts the upper surface of support column 15, a storage area is formed between demonstrator body 02 and the bottom of case 01, which can store one or two loading boxes 03.

[0050] In an optional embodiment, the case 01 further includes a cover 16, which is connected to the case 01 via a locking member 17. When stored, the cover 16 is connected to the case 01 to protect the demonstration body 02 and prevent it from rotating during movement. The cover 16 and the case 01 are integral components, with the locking members 17 located around the perimeter of the cover 16, securing the cover 16 to the case 01. The locking member 17 can be a hinge or a latch; the choice of locking member 17 is not limited here and is subject to practical implementation.

[0051] In an optional embodiment, a handle 18 is provided on the side of the box 01. To further improve the portability of the demonstration device, a handle 18 is provided on the side of the box 01, and the handle 18 can be connected to the box 01 by bolts / screws.

[0052] In an optional embodiment, a valve plate 19 is installed within the first outlet 07 of the loading box 03. This valve plate 19 is used to control the opening or closing of the first outlet 07. By providing this valve plate 19, the opening of the valve plate 19 can be manually controlled, thereby controlling the sequential entry of the demonstration balls 20 into the demonstration body 02 in smaller numbers, facilitating a clearer observation of the formation of a normal distribution curve from the demonstration balls 20. The valve plate 19 can be opened by pulling it out from the side.

[0053] In an optional embodiment, the loading box 03 and the demonstration body 02 are both made of transparent materials. The transparent material can be glass, acrylic, PC, etc. The demonstration ball 20 can be a colored ball, such as red, blue, yellow, black, etc.

[0054] It is to be understood that the embodiments that have been described are merely illustrative of the principles of the application. Numerous modifications can be made by those skilled in the art without departing from the scope of the application. For example, elements of one embodiment can be combined with elements of another embodiment. The disclosure is not limited to the embodiments described above, but rather the scope of the disclosure is to be accorded the broadest scope of the principles and novel features disclosed herein.

Claims

1. A mathematical demonstration device, characterized in that: include: Cabinet, demonstration body and loading box; The demonstration body is movably connected to the box through a connecting column. The demonstration body can rotate around the connecting column. The box is used to accommodate the demonstration body and the loading box. The demonstration body is provided with a plurality of gear rods and a collection trough, and the collection trough is located below the gear rods. A first inlet is provided at the top of the demonstration body, and a first outlet is provided at one end of the loading box. When the first outlet of the loading box is inserted into the first inlet of the demonstration body, the demonstration balls in the loading box pass through the gear rods and reach the collection trough.

2. The mathematical demonstration device according to claim 1, characterized in that: A collecting portion is further provided in the demonstration body, and is located below the collecting trough. The collecting portion and the collecting trough are separated by a movable plate. A pull ring is provided on one side of the demonstration body, and the pull ring is connected to the movable plate. When the movable plate is opened by the pull ring, the collecting trough is connected to the collecting portion. The collecting portion is used to receive the demonstration balls in the collecting trough.

3. The mathematical demonstration device according to claim 2, characterized in that: The bottom of the collecting portion is provided with a second outlet, and the loading box is provided with a second inlet, and the second outlet is used to be aligned with the second inlet.

4. The mathematical demonstration device according to claim 2 or 3, characterized in that: A slope is provided in the collecting portion.

5. The mathematical demonstration device according to any one of claims 1 to 3, characterized in that: The box body is provided with a support column, and when the demonstration body is stored in the box body, the support column is used to support the demonstration body.

6. The mathematical demonstration device according to any one of claims 1 to 3, characterized in that: When the demonstration body is accommodated in the box, a receiving area is formed between the demonstration body and the bottom of the box, and the receiving area is used to accommodate the loading box.

7. The mathematical demonstration device according to any one of claims 1 to 3, characterized in that: The box body further comprises a cover plate, and the cover plate is connected to the box body via a locking member.

8. The mathematical demonstration device according to claim 7, characterized in that: A handle is provided on the side of the box.

9. The mathematical demonstration device according to any one of claims 1 to 3, characterized in that: A valve plate is provided in the first outlet of the loading box, and the valve plate is used to control the opening or closing of the first outlet.

10. The mathematical demonstration device according to any one of claims 1 to 3, characterized in that: The loading box and the demonstration body are both made of transparent material.

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