CN216772637U

CN216772637U - High school physics inertial motion teaching device

Info

Publication number: CN216772637U
Application number: CN202220324223.3U
Authority: CN
Inventors: 向梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-06-17
Anticipated expiration: 2032-02-17

Abstract

The utility model discloses a high school physics inertial motion teaching device which comprises an ejection mechanism and an experiment table, wherein the ejection mechanism comprises a clamping plate, the upper surface of the clamping plate is fixedly connected with a connecting upright post, the side surface of the connecting upright post is respectively and fixedly connected with a guide rail and a polished rod, a sliding block is connected on the guide rail in a sliding manner, the surface of the polished rod is sleeved with a pressing ring and a spring, the surface of the sliding block is fixedly connected with a traction rope, one end of the traction rope, far away from the sliding block, is fixedly connected with a fixing clamp, an experiment cloth piece is laid on the upper surface of the experiment table, and the edge of the experiment cloth piece is installed on the fixing clamp. The device provides kinetic energy for the sliding block through setting up the spring, lets the sliding block slide and accelerate along the guide rail direction, drives fast and takes the experiment piece out, and the back is taken out to the experiment reality piece, and article above that can keep quiet and fall to the laboratory bench to reach the purpose of demonstration inertial motion teaching, utilize the device to replace manual operation, dynamics and speed are controllable, easily promote the success of experiment.

Description

High school physics inertial motion teaching device

Technical Field

The utility model relates to the technical field of teaching aids, in particular to a high school physics inertial motion teaching device.

Background

The high school knowledge Newton's first law shows that all objects are always kept in a static state or in a uniform linear motion state when not being stressed, teachers in a classroom often do small experiments of some inertial motions in order to enable students to understand the phenomenon of inertial motions more deeply and intuitively, wherein the common experiments are that static objects are placed on books or cloth, the books or the cloth are quickly taken away, the objects above the books or the cloth are kept static according to the law of inertia, often, in the experimental process, if the speed and the force of extraction are too small, the experiments are likely to fail, only manual operation of people is needed, the success rate of the experiments is difficult to guarantee, and in order to facilitate teaching, the high school physics inertial motion teaching device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high school physics inertia motion teaching device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high school physics inertial motion teaching device, includes ejection mechanism and laboratory bench, ejection mechanism includes splint, and the last fixed surface of splint is connected with the connection stand, and the side of connection stand is fixedly connected with guide rail and polished rod respectively, and sliding connection has the sliding block on the guide rail, and the surface cover of polished rod is equipped with to support clamping ring and spring, and the fixed surface of sliding block is connected with the haulage rope, and the one end fixedly connected with fixation clamp of sliding block is kept away from to the haulage rope, and the experiment piece of cloth has been laid to the upper surface of laboratory bench, and the border of experiment piece of cloth is installed on the fixation clamp.

Preferably, the clamping plate comprises an upper pressing plate and a lower pressing plate, a guide block is fixedly connected to the side face of the upper pressing plate, an opening is formed in the upper surface of the lower pressing plate, the lower pressing plate is clamped on the two sides of the guide block through the opening in a sliding mode, a locking bolt is inserted into the guide block, and the threaded end of the locking bolt is inserted into the lower pressing plate in a threaded mode.

Preferably, the connecting upright posts and the guide rails are two, and the connecting upright posts and the guide rails are symmetrically arranged, so that the experiment table can be placed between the two guide rails.

Preferably, the guide rail is formed by assembling multiple sections, one end part of each of two adjacent sections of guide rails is provided with a socket, the other end part of each of two adjacent sections of guide rails is provided with a socket pin, and the socket pins are inserted into the sockets to enable the multiple sections of guide rails to be assembled into a linear shape and fixed by using bolts.

Preferably, the upper surface of guide rail is provided with the scale mark, and the upper surface of sliding block is provided with the handle pole.

Preferably, be provided with in the laboratory bench and accomodate the chamber, the side of laboratory bench articulates there is the guard gate, through the guard gate closure accomodate the opening in chamber.

Advantageous effects

The utility model provides a high school physics inertial motion teaching device, which has the following beneficial effects:

1. this high school physics inertial motion teaching device provides kinetic energy for the sliding block through setting up the spring, lets the sliding block slide and accelerate along the guide rail direction, drives fast and takes out the experiment piece, and the experiment is actually tested the piece and is taken out the back, and article on it can keep the static to fall to the laboratory bench to reach the purpose of demonstration inertial motion teaching, utilize the device to replace manual operation, dynamics and speed are controllable, easily promote the success of experiment.

2. This high school physics inertial motion teaching device through setting up the guide rail that the multisection was assembled, and the length of guide rail can optional control, and the sliding block slides on the guide rail, refers to the scale mark above the guide rail, is convenient for control compression spring's volume, controls the speed of transmission sliding block promptly to and do the effect that detects the inertial motion distance, and in addition, unnecessary guide rail energy-conservation is enough accomodate in the laboratory bench, makes the device have fine accomodating nature, and it is convenient to use and store.

Drawings

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

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

figure 3 is a schematic view of the table top of the present invention shown removed.

In the figure: the device comprises a test table 1, a clamping plate 2, a connecting upright post 3, a guide rail 4, a polish rod 5, a sliding block 6, a pressing ring 7, a spring 8, a traction rope 9, a fixing clamp 10, an experimental cloth piece 11, an upper pressing plate 12, a lower pressing plate 13, a guide block 14, a locking bolt 15, a bell and spigot 16, a scale mark 17, a handle rod 18, a protective door 19 and a table top plate 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a high school physics inertial motion teaching device, including ejection mechanism and laboratory bench 1, ejection mechanism includes splint 2, splint 2's last fixed surface is connected with connects stand 3, the side of connecting stand 3 is fixedly connected with guide rail 4 and polished rod 5 respectively, sliding connection has sliding block 6 on the guide rail 4, polished rod 5's surperficial cover is equipped with and supports clamping ring 7 and spring 8, sliding block 6's fixed surface is connected with haulage rope 9, sliding block 6's one end fixedly connected with fixation clamp 10 is kept away from to haulage rope 9, laboratory cloth piece 11 has been laid to laboratory bench 1's upper surface, laboratory cloth piece 11's border is installed on fixation clamp 10.

The clamping plate 2 comprises an upper pressing plate 12 and a lower pressing plate 13, a guide block 14 is fixedly connected to the side face of the upper pressing plate 12, an opening is formed in the upper surface of the lower pressing plate 13, the lower pressing plate 13 is clamped on the two sides of the guide block 14 in a sliding mode through the opening, a locking bolt 15 is inserted into the guide block 14, the threaded end of the locking bolt 15 is inserted into the lower pressing plate 13 in a threaded mode, and the clamping plate 2 can be used for clamping and fixing the device on the table top plate 20.

The connecting upright columns 3 and the guide rails 4 are two, the experiment table 1 can be placed between the two guide rails 4 due to the symmetrical arrangement, the guide rails 4 are formed by assembling a plurality of sections, one end part of each two adjacent sections of guide rails 4 is provided with a socket 16, the other end part of each two adjacent sections of guide rails 4 is provided with a socket pin, and the socket pins are inserted into the sockets 16 to enable the guide rails 4 to be assembled into a linear shape and fixed by bolts.

The upper surface of guide rail 4 is provided with scale mark 17, the upper surface of sliding block 6 is provided with handle bar 18, be provided with in the laboratory bench and accomodate the chamber, the side of laboratory bench 1 articulates there is guard gate 19, accomodate the opening in chamber through guard gate 19 closure, guide rail 4 after the split can be accomodate in the accomodate intracavity of laboratory bench 1, through setting up the guide rail 4 that the multisection was assembled, guide rail 4's length can optional control, and sliding block 6 slides on guide rail 4, refer to scale mark 17 above the guide rail 4, be convenient for control compression spring 8's volume, control emission sliding block 6's speed promptly, and do the effect that detects the inertial motion distance, and, unnecessary guide rail 4 respectively can be accomodate in laboratory bench 1 by enough, make the device have fine accomodating nature, it is more convenient to use and store.

Through setting up spring 8 and providing kinetic energy for sliding block 6, let sliding block 6 slide and accelerate along 4 directions of guide rail, drive fast and take experiment cloth piece 11 out, realize experiment cloth piece 11 and taken out the back, article on it can keep still to fall to laboratory bench 1 to reach the purpose of demonstration inertial motion teaching, utilize the device to replace manual operation, dynamics and speed have the reference and controllable, easily promote the success of experiment.

The working principle is as follows: when using, utilize this teaching device of splint 2 to fix on desktop board 20, place laboratory bench 1 on two guide rails 4 middle zone's desktop board 20, lay experiment cloth 11 on laboratory bench 1, and press article on experiment cloth 11, the operator holds handle bar 18 with the hand, slip sliding block 6 compression spring 8, then release, the elastic potential energy release that spring 8 stored, promote sliding block 6 and slide along guide rail 4, sliding block 6 launches with higher speed this moment, drive experiment cloth 11 and take out, article on it can keep quiet the falling to laboratory bench 1, thereby reach the purpose of demonstration inertial motion teaching, because be provided with scale mark 17 on the guide rail 4, can make the reference standard of compression capacity when compression spring 8, be convenient for control the dynamics of transmission, guarantee the success of experiment, facilitate for teaching use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high school physics inertial motion teaching device, includes ejection mechanism and laboratory bench (1), its characterized in that: ejection mechanism includes splint (2), the last fixed surface of splint (2) is connected with and connects stand (3), the side of connecting stand (3) is fixedly connected with guide rail (4) and polished rod (5) respectively, sliding connection has sliding block (6) on guide rail (4), the surface cover of polished rod (5) is equipped with and supports clamping ring (7) and spring (8), the fixed surface of sliding block (6) is connected with haulage rope (9), the one end fixedly connected with fixation clamp (10) of sliding block (6) are kept away from in haulage rope (9), experiment piece of cloth (11) have been laid to the upper surface of laboratory bench (1), the border of experiment piece of cloth (11) is installed on fixation clamp (10).

2. The high school physics inertial motion teaching device of claim 1, wherein: the clamping plate (2) comprises an upper pressing plate (12) and a lower pressing plate (13), a guide block (14) is fixedly connected to the side face of the upper pressing plate (12), an opening is formed in the upper surface of the lower pressing plate (13), the lower pressing plate (13) is clamped on the two sides of the guide block (14) in a sliding mode through the opening, a locking bolt (15) is inserted into the guide block (14), and the threaded end of the locking bolt (15) is inserted into the lower pressing plate (13) in a threaded mode.

3. The high school physics inertial motion teaching device of claim 2, wherein: the connecting upright columns (3) and the guide rails (4) are two, and the experiment table (1) can be placed between the two guide rails (4) through the symmetrical arrangement.

4. The high school physics inertial motion teaching device of claim 3, wherein: the guide rail (4) is formed by assembling a plurality of sections, one end part of each two adjacent sections of guide rails (4) is provided with a socket (16), the other end part of each two adjacent sections of guide rails (4) is provided with a socket pin, and the socket pins are inserted into the sockets (16) to enable the sections of guide rails (4) to be assembled into a linear shape and fixed by bolts.

5. The high school physics inertial motion teaching device of claim 4, wherein: the upper surface of the guide rail (4) is provided with scale marks (17), and the upper surface of the sliding block (6) is provided with a handle rod (18).

6. The high school physics inertial motion teaching device according to any one of claims 1-5, wherein: be provided with in laboratory bench (1) and accomodate the chamber, the side of laboratory bench (1) articulates there is guard gate (19), closes through guard gate (19) accomodate the opening in chamber.