CN219367301U

CN219367301U - Classroom demonstration model

Info

Publication number: CN219367301U
Application number: CN202320249271.5U
Authority: CN
Inventors: 张琦
Original assignee: Hefei Xiaopangdun Information Technology Co ltd
Current assignee: Hefei Xiaopangdun Information Technology Co ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-07-18
Anticipated expiration: 2033-02-20

Abstract

The utility model relates to a classroom demonstration model, and belongs to the technical field of demonstration models. The problem of inaccurate inclination angle adjustment in a demonstration model is mainly solved, and the following technical scheme is provided. The novel screw thread fixing device comprises a main bottom plate, wherein a fixing frame is fixedly connected to the top of the main bottom plate, a screw thread cylinder is rotatably connected to the top of the fixing frame through a bearing, a threaded rod is connected to the inner wall of the screw thread cylinder in a threaded mode, a rotating handle is fixedly connected to the end portion of the screw thread cylinder, and a connecting plate is fixedly connected to the end portion of the threaded rod. According to the utility model, the matching between the thread cylinder, the threaded rod, the connecting plate, the sliding block and the first rotating rod is arranged, so that a teacher can conveniently adjust different angles of the test plate in the demonstration model, the phenomenon that the use effect is affected due to insufficient accuracy in adjusting the inclination angle caused by using the traditional multi-section type adjustment is avoided, and the matching between the parts is further convenient for the teacher to use the demonstration model.

Description

Classroom demonstration model

Technical Field

The utility model relates to the technical field related to demonstration models, in particular to a classroom demonstration model.

Background

In the classroom teaching process, a physical teacher can use a demonstration model to display in a classroom in order to enable students to learn more intuitively and easily, so that the students can know the kinetic energy of an object and which factors are relevant intuitively through an experiment method;

the utility model discloses a physical experiment teaching demonstration model, which comprises an experiment operation table and a base, wherein one end of an electric push rod is fixedly connected to the center of the upper surface of the base, the other end of the electric push rod is fixedly connected with a fixed block, the fixed block is positioned above the base, the upper surface of the fixed block is fixedly connected with an experiment operation table, a side plate is fixedly connected to the experiment operation table, the side plate is positioned on one side of the upper surface of the experiment operation table, a plurality of rectangular jacks are formed in one side of the side plate, the problem that the height of a steel ball rolling inclined plane in a current general experiment is difficult to adjust, students cannot comprehensively know related knowledge through experiments easily, the height of the experiment table is fixed and cannot be adjusted easily, and part of students cannot accurately observe the experiment process and data, so that the experiment calculation result is affected is solved.

However, the prior demonstration model is mostly used for adjusting the inclination angle of the test board in a multi-stage manner, however, the middle position of the multi-stage connection cannot be adjusted, so that the angle adjustment of the test board is not accurate enough, and therefore, a certain limitation exists when a teacher uses the demonstration model.

For this purpose we propose a class demonstration model.

Disclosure of Invention

The utility model aims to provide a classroom demonstration model to solve the problem that the inclination angle in the demonstration model proposed by the background art is not accurate enough.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a classroom demonstration model, includes the main bottom plate, the top fixedly connected with mount of main bottom plate, the top of mount is passed through the bearing and is rotated and be connected with a screw thread section of thick bamboo, the inner wall threaded connection of screw thread section of thick bamboo has the threaded rod, the tip fixedly connected with rotation handle of screw thread section of thick bamboo, the tip fixedly connected with connecting plate of threaded rod, the inside of connecting plate is rotated through the pivot and is connected with the test board, two spouts have been seted up at the top of main bottom plate, two the inner wall fixedly connected with slide bar of spout, the surface sliding connection of slide bar has the slider, the side of slider is passed through the bearing and is rotated and be connected with first rotary rod, the surface and the test board fixedly connected of first rotary rod.

Further, the standing groove has been seted up to the bottom of main bottom plate, the inner wall of main bottom plate is connected with the second rotary rod through the bearing rotation, the surface fixedly connected with secondary bottom plate of second rotary rod, the top fixedly connected with butt joint board of secondary bottom plate, the surface fixedly connected with connecting block of secondary bottom plate.

Further, the top of the main bottom plate is movably connected with an abutting plate, and the abutting plate is located on one side of the main bottom plate.

Further, the bottom fixedly connected with negative pole magnet of connecting block, the inner wall fixedly connected with positive pole magnet of standing groove, negative pole magnet and positive pole magnet swing joint.

Further, a guide rod is fixedly connected to the top of the connecting plate, and the surface of the guide rod is movably connected with the fixing frame.

Further, the top swing joint of test board has the power piece, the fixed surface of main bottom plate is connected with places the box, place the inside and the power piece swing joint of box.

Compared with the prior art, the utility model has the following beneficial effects:

(1) According to the utility model, through the cooperation between the threaded cylinder, the threaded rod, the connecting plate, the sliding block and the first rotating rod, a teacher can conveniently adjust different angles of the test plate in the demonstration model, the problem that the use effect is affected due to the fact that the inclination angle is not accurate enough in adjustment caused by the traditional multi-section adjustment is avoided, and the teacher can conveniently use the demonstration model better through the cooperation between the parts.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic perspective view of an embodiment of the present utility model;

FIG. 2 is an enlarged view of the portion A of FIG. 1 in accordance with one embodiment of the present utility model;

fig. 3 is a bottom view of an embodiment of the present utility model.

In the figure: 1. a main bottom plate; 2. a fixing frame; 3. a thread cylinder; 4. a threaded rod; 5. a connecting plate; 6. a test board; 7. a chute; 8. a slide bar; 9. a slide block; 10. a first rotating lever; 11. a placement groove; 12. a second rotating lever; 13. a sub-base plate; 14. an abutting plate; 15. a connecting block; 16. a negative magnet; 17. a positive magnet; 18. a guide rod; 19. a power block; 20. placing a box; 21. and (5) rotating the handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides the following technical solutions: the utility model provides a classroom demonstration model, including main bottom plate 1, the top fixedly connected with mount 2 of main bottom plate 1, the top of mount 2 is rotated through the bearing and is connected with screw thread section of thick bamboo 3, the inner wall threaded connection of screw thread section of thick bamboo 3 has threaded rod 4, the tip fixedly connected with rotatory handle 21 of screw thread section of thick bamboo 3, the tip fixedly connected with connecting plate 5 of threaded rod 4, the inside of connecting plate 5 is rotated through the pivot and is connected with test board 6, two spouts 7 have been seted up at the top of main bottom plate 1, the inner wall fixedly connected with slide bar 8 of two spouts 7, slide bar 8's surface sliding connection has slider 9, slider 9's side is rotated through the bearing and is connected with first rotary rod 10, first rotary rod 10's surface and test board 6 fixed connection, through the setting of screw thread section of thick bamboo 3 and threaded rod 4, can make things convenient for the teacher to carry out different angles to this test board 6 and adjust, make things convenient for the teacher to use this demonstration model.

According to fig. 3, the bottom of the main bottom plate 1 is provided with a placement groove 11, the inner wall of the main bottom plate 1 is rotatably connected with a second rotary rod 12 through a bearing, the surface of the second rotary rod 12 is fixedly connected with a secondary bottom plate 13, the top of the secondary bottom plate 13 is fixedly connected with an abutting plate 14, the surface of the secondary bottom plate 13 is fixedly connected with a connecting block 15, and the secondary bottom plate 13 can be conveniently folded and stored through the placement groove 11, so that the occupation space caused by overlarge volume of the demonstration model is avoided.

As can be seen from fig. 3, the top of the main bottom board 1 is movably connected with the butt-joint board 14, and the butt-joint board 14 is located at one side of the main bottom board 1, so that the butt-joint board 14 forms butt joint with the main bottom board 1, and further, the demonstration in a classroom is facilitated.

As can be seen from fig. 3, the bottom of the connecting block 15 is fixedly connected with a negative pole magnet 16, the inner wall of the placing groove 11 is fixedly connected with a positive pole magnet 17, the negative pole magnet 16 is movably connected with the positive pole magnet 17, and the folded sub-bottom plate 13 can be locked by the arrangement of the negative pole magnet 16 and the positive pole magnet 17, so that the normal moving is prevented from being influenced by looseness in the moving process.

As can be seen from fig. 1, a guide rod 18 is fixedly connected to the top of the connection plate 5, the surface of the guide rod 18 is movably connected to the fixing frame 2, and the connection plate 5 can be supported by the arrangement of the guide rod 18.

According to fig. 1, the top swing joint of test board 6 has power piece 19, and the fixed surface of main bottom plate 1 is connected with places box 20, places box 20's inside and power piece 19 swing joint, through placing box 20's setting, can make things convenient for the teacher to place this power piece 19, and power piece 19 takes place to lose when avoiding the transport and influence follow-up normal use.

The working principle of the utility model is as follows: when in use, when a teacher needs to test the kinetic energy with larger oblique angles, the teacher can drive the threaded cylinder 3 to rotate through the manual rotation handle 21, meanwhile, the test board 6 drives the threaded rod 4 and the connecting board 5 to move upwards, the connecting board 5 drives the test board 6 to conduct angle adjustment through the rotating shaft, when the test board 6 is inclined in angle, the test board 6 drives the first rotating rod 10 to rotate in the sliding block 9, then the sliding block 9 slides to the fixing frame 2 in the sliding rod 8, otherwise, the first rotating rod and the second rotating rod are identical, so that the teacher can conveniently demonstrate the kinetic energy with different oblique angles, and further, the teacher can conveniently use the demonstration model to conduct teaching.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A classroom demonstration model is characterized in that: including main bottom plate (1), the top fixedly connected with mount (2) of main bottom plate (1), the top of mount (2) is rotated through the bearing and is connected with screw thread section of thick bamboo (3), the inner wall threaded connection of screw thread section of thick bamboo (3) has threaded rod (4), the tip fixedly connected with rotation handle (21) of screw thread section of thick bamboo (3), the tip fixedly connected with connecting plate (5) of threaded rod (4), the inside of connecting plate (5) is rotated through the pivot and is connected with test board (6), two spouts (7) have been seted up at the top of main bottom plate (1), two the inner wall fixedly connected with slide bar (8) of spout (7), the surface sliding connection of slide bar (8) has slider (9), the side of slider (9) is rotated through the bearing and is connected with first rotary rod (10), the surface and the test board (6) fixed connection of first rotary rod (10).

2. A classroom demonstration model according to claim 1, wherein: the bottom of main bottom plate (1) has seted up standing groove (11), the inner wall of main bottom plate (1) is connected with second rotary rod (12) through the bearing rotation, the fixed surface of second rotary rod (12) is connected with secondary bottom plate (13), the top fixedly connected with butt joint board (14) of secondary bottom plate (13), the fixed surface of secondary bottom plate (13) is connected with connecting block (15).

3. A classroom demonstration model according to claim 2, wherein: the top of the main bottom plate (1) is movably connected with the butt plate (14), and the butt plate (14) is positioned on one side of the main bottom plate (1).

4. A classroom demonstration model according to claim 2, wherein: the bottom of connecting block (15) fixedly connected with negative pole magnet (16), the inner wall fixedly connected with positive pole magnet (17) of standing groove (11), negative pole magnet (16) and positive pole magnet (17) swing joint.

5. A classroom demonstration model according to claim 1, wherein: the top of the connecting plate (5) is fixedly connected with a guide rod (18), and the surface of the guide rod (18) is movably connected with the fixing frame (2).

6. A classroom demonstration model according to claim 1, wherein: the top swing joint of test board (6) has power piece (19), the fixed surface of main bottom plate (1) is connected with places box (20), the inside and the power piece (19) swing joint of placing box (20).