CN215599898U

CN215599898U - Physical teaching experiment demonstration platform

Info

Publication number: CN215599898U
Application number: CN202122080030.6U
Authority: CN
Inventors: 庞汉宇; 陈第琼; 刘一鹗
Original assignee: Pang Hanyu
Current assignee: Pang Hanyu
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-01-21
Anticipated expiration: 2031-08-31

Abstract

The utility model discloses a physical teaching experiment demonstration table which comprises a stand column, telescopic rods and a motor, wherein a plurality of demonstration rods are arranged outside the stand column through articulated elements, spheres are sleeved on the demonstration rods, fixing rings are arranged at positions, close to the articulated elements, of the demonstration rods, springs are sleeved on the demonstration rods, the upper ends of the stand column are connected with sleeves, the lower ends of the sleeves are outwards expanded to form a barrel body, the barrel body is sleeved outside the articulated elements, the bottom surface of the telescopic rods is arranged on a rotating shaft of the motor, the top surface of the telescopic rods is arranged on the bottom surface of the stand column, a bottom plate is arranged on the bottom surface of the motor, and a plurality of universal wheels with brakes are arranged on the bottom surface of the bottom plate. The utility model has simple structure, can adjust the height of the device through the telescopic rod, is beneficial to teachers and students to develop classroom experiments, can drive the upright post to rotate through the motor, can upwards open the demonstration rod through the centrifugal force generated during rotation, can also outwards push the ball body along the demonstration rod, and can carry out double demonstration through the opened demonstration rod and the moved ball body.

Description

Physical teaching experiment demonstration platform

Technical Field

The utility model relates to the technical field of physical experiment teaching, in particular to a physical teaching experiment demonstration table.

Background

Students usually do not have a deep understanding of the centrifugal force of the physical teaching object, and the students usually cooperate with the teaching through the centrifugal force experiment in order to fully understand the law of the centrifugal force. However, the prior physical experiment device, especially the experiment device for demonstrating the centrifugal force, lacks the teaching tool for demonstrating the centrifugal force. Therefore, the teacher can not better observe and understand the teaching effect by the students during explanation, and the teaching effect is more and more successful.

Disclosure of Invention

The utility model aims to provide a physical teaching experiment demonstration table to solve the problems in the background technology.

The utility model is realized by the following technical scheme: the utility model provides a physics teaching experiment demonstration platform, which comprises a column, telescopic link and motor, many demonstration poles are installed through the articulated elements in the outside of stand, it has the spheroid to all overlap on the demonstration pole, the demonstration pole is close to articulated elements department and all installs solid fixed ring, it has the spring all to overlap on the demonstration pole, spring one end is all installed on solid fixed ring, the other end is all installed on the spheroid, demonstration pole keeps away from one of articulated elements and serves equal threaded connection have the lid, the stand upper end is connected with the sleeve pipe, the outside of articulated elements is outwards expanded to the sleeve pipe lower extreme and form the barrel, the outside of articulated elements is located to the barrel cover, the internal face of barrel touches with solid fixed ring's outer lane face, the motor sets up in the stand lower extreme, the bottom surface of telescopic link is installed in the pivot of motor, the top surface of telescopic link is installed on the bottom surface of stand, install the bottom plate on the bottom surface of motor, install a plurality of taking the universal wheel of brake on the bottom surface of bottom plate.

As preferred technical scheme, be equipped with the internal thread on sheathed tube internal wall, the stand upper end is equipped with the external screw thread, and the sleeve pipe passes through the internal thread to be connected with the external screw thread meshing on the stand, installs many holding rods on the sheathed tube outer wall, and many holding rods are ring structure evenly distributed.

As preferred technical scheme, spheroidal center department all is equipped with the through-hole, and the spheroid all locates the demonstration pole through the through-hole cover on, the cross-section of through-hole and demonstration pole all is the rectangle structure setting.

As the preferred technical scheme, the ball body is made of stainless steel materials, and the interior of the ball body is arranged in a hollow structure.

As preferred technical scheme, all be equipped with anti-skidding line on the outer wall face of lid.

The utility model has the beneficial effects that: the utility model has simple structure, can adjust the height of the device through the telescopic rod, is beneficial to teachers and students to develop classroom experiments, can drive the upright post to rotate through the motor, can upwards open the demonstration rod through centrifugal force generated during rotation, can also outwards push the ball body along the demonstration rod, can carry out double demonstration through the opened demonstration rod and the moved ball body, and increases the experiment effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the installation structure of the demonstration rod of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figures 1 and 2, the physical teaching experiment demonstration table comprises an upright post 1, a telescopic rod 9 and a motor 11, wherein a plurality of demonstration rods 7 are arranged outside the upright post 1 through an articulated piece, a sphere 6 is sleeved on each demonstration rod 7, fixing rings 4 are arranged at positions, close to the articulated piece, of the demonstration rods 7, springs 5 are sleeved on the demonstration rods 7, one ends of the springs 5 are arranged on the fixing rings 4, the other ends of the springs are arranged on the spheres 6, one ends, far away from the articulated piece, of the demonstration rods 7 are in threaded connection with a cover body 8, the upper end of the upright post 1 is connected with a sleeve 2, the lower end of the sleeve 2 is outwards expanded to form a barrel body 3, the barrel body 3 is sleeved outside the articulated piece, the inner wall surface of the barrel body 3 is in contact with the outer ring surface of the fixing rings 4, the motor 11 is arranged at the lower end of the upright post 1, the bottom surface of the telescopic rod 9 is arranged on a rotating shaft of the motor 11, the top surface of the telescopic rod 9 is arranged on the bottom surface of the upright post 1, a bottom plate 12 is installed on the bottom surface of the motor 11, and a plurality of universal wheels 13 with brakes are installed on the bottom surface of the bottom plate 12.

In this embodiment, be equipped with the internal thread on sleeve pipe 2's the internal face, 1 upper end of stand is equipped with the external screw thread, and sleeve pipe 2 passes through the internal thread to be connected with the external screw thread meshing on the stand 1, installs many holding rods on sleeve pipe 2's the outer wall, and many holding rods are the loop configuration evenly distributed.

In this embodiment, the center of the sphere 6 is provided with a through hole, the sphere 6 is sleeved on the demonstration rod 7 through the through hole, and the cross sections of the through hole and the demonstration rod 7 are both rectangular.

In this embodiment, the ball 6 is made of stainless steel, and the inside of the ball 6 is hollow.

In this embodiment, all be equipped with anti-skidding line on the outer wall of lid 8, plug up the one end of demonstration pole through the lid physical stamina, avoided the spheroid to break away from the demonstration pole, and the lid can be followed and is demonstrateed the pole and take off, makes the spheroid can be along the outside departure of extension rod, increases the scope of demonstration.

During the use, can lap the height of demonstration pole through the telescopic link, until adjusting to the height that is fit for teacher and student, be favorable to teachers and students to expand the classroom experiment, after the completion, the rotatory sleeve pipe of accessible holding rod, make the sleeve pipe along screw thread rebound, sheathed tube removal has driven the barrel, after the barrel is putd aside from the outside of articulated elements, the accessible motor can drive the stand rotation, the demonstration pole can upwards be opened to the centrifugal force that produces through rotatory time, also can outwards promote the spheroid along the demonstration pole, the spheroid can carry out dual demonstration through the demonstration pole of opening and removal, the experiment effect has been increased.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a physical teaching experiment demonstration platform which characterized in that: comprises a column (1), a telescopic rod (9) and a motor (11), wherein the outside of the column (1) is provided with a plurality of demonstration rods (7) through articulated elements, the demonstration rods (7) are sleeved with spheres (6), the parts of the demonstration rods (7) close to the articulated elements are all provided with fixing rings (4), the demonstration rods (7) are sleeved with springs (5), one ends of the springs (5) are all arranged on the fixing rings (4), the other ends of the springs are all arranged on the spheres (6), one ends of the demonstration rods (7) far away from the articulated elements are all connected with a cover body (8) in a threaded manner, the upper end of the column (1) is connected with a sleeve (2), the lower end of the sleeve (2) is outwards expanded to form a cylinder body (3), the cylinder body (3) is sleeved outside the articulated elements, the inner wall surface of the cylinder body (3) is contacted with the outer ring surface of the fixing rings (4), the motor (11) is arranged at the lower end of the column (1), the bottom surface of the telescopic rod (9) is arranged on a rotating shaft of the motor (11), the top surface of the telescopic rod (9) is arranged on the bottom surface of the upright post (1), the bottom surface of the motor (11) is provided with a bottom plate (12), and the bottom surface of the bottom plate (12) is provided with a plurality of universal wheels (13) with brakes.

2. The physical teaching experiment demonstration table of claim 1, wherein: be equipped with the internal thread on the internal face of sleeve pipe (2), stand (1) upper end is equipped with the external screw thread, and sleeve pipe (2) are connected through the external screw thread meshing on internal thread and the stand (1), install many holding rods on the outer wall of sleeve pipe (2), and many holding rods are ring structure evenly distributed.

3. The physical teaching experiment demonstration table of claim 1, wherein: the center department of spheroid (6) all is equipped with the through-hole, and on demonstration pole (7) were all located through the through-hole cover in spheroid (6), the cross-section of through-hole and demonstration pole (7) all was the rectangle structure setting.

4. The physical teaching experiment demonstration table of claim 1, wherein: the ball body (6) is made of stainless steel materials, and the inside of the ball body (6) is arranged in a hollow structure.

5. The physical teaching experiment demonstration table of claim 1, wherein: the outer wall surface of the cover body (8) is provided with anti-skid lines.