CN218069145U

CN218069145U - Experimental device for demonstrating law of motion in inertial system

Info

Publication number: CN218069145U
Application number: CN202222266858.5U
Authority: CN
Inventors: 梁英武
Original assignee: Jiangsu Fengguang Information Technology Co ltd
Current assignee: Jiangsu Fengguang Information Technology Co ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2022-12-16
Anticipated expiration: 2032-08-26

Abstract

The utility model relates to a demonstration experiment field specifically is an experimental apparatus of law of motion in demonstration inertia system, include: the upper surface of the operating platform is provided with an inclined seat which is of a triangular structure; the cross section of the limiting column is of an L-shaped structure, and the limiting column is arranged on one side of the inclined seat; the supporting rod is arranged right above the inclined seat, and the bottom of the supporting rod is fixedly provided with a limiting block; the beneficial effects are that: the fixing column is moved to a proper position through sliding the two sets of limiting columns, then the fixing column is pressed downwards, the baffle arranged at the bottom end of the fixing column is attached to the upper surface of the inclined seat, then the top ends of the two sets of experiment trolleys are abutted to the outer surfaces of the two sets of baffles, the two sets of baffles are lifted simultaneously, and when the surfaces of the two sets of baffles are not abutted to the experiment trolleys, the two sets of experiment trolleys slide downwards at the same position simultaneously.

Description

Experimental device for demonstrating law of motion in inertial system

Technical Field

The utility model relates to a demonstration experiment field specifically is an experimental apparatus of law of motion in demonstration inertia system.

Background

The property of an object in a static state or a uniform linear motion state is called inertia, the inertia is an inherent property of the object and is represented as a resistance degree of the object to the change of the motion state, the mass is a measurement of the inertia of the object, and the inertia of the object cannot be changed or even disappear at any time and under any condition;

chinese utility model with publication number CN216670983U provides an inertia demonstrator for physics teaching, including: an operation table; the oblique seat is connected to one side of the surface of the operating platform, the two experiment components are respectively arranged on the surface of the operating platform, each experiment component comprises a communicating hole, an experiment plate is rotatably connected between two sides of the inner wall of each communicating hole through a rotating shaft, each spacing component is arranged on the surface of the operating platform and positioned between the two communicating holes, each spacing component comprises a through hole, a chute is formed between two sides of the inner wall of each through hole, a partition plate is arranged between the two chutes, each rotating component is arranged on the surface of each partition plate, each separating component is arranged at the central position of the surface of the oblique seat, the two blocking components are respectively arranged on two sides of the surface of the operating platform, and the two supporting components are respectively arranged on two sides of the bottom of the operating platform;

the inertia is demonstrated on different experimental boards, and it is necessary to ensure that the cars slide down at the same height, but the inertia demonstrator disclosed above cannot ensure that the cars slide down from the same position, and if the cars slide down from different heights and pass through different experimental boards, the obtained experimental data is inaccurate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an experimental apparatus of law of motion in demonstration inertia system to the assurance car that proposes in solving above-mentioned background art highly carries out the problem that glides at the same.

In order to achieve the above object, the utility model provides a following technical scheme: an experimental device for demonstrating motion law in an inertial system comprises:

the upper surface of the operating platform is provided with an inclined seat which is of a triangular structure;

the cross section of the limiting column is of an L-shaped structure, and the limiting column is arranged on one side of the inclined seat;

the supporting rod is arranged right above the inclined seat, and the bottom of the supporting rod is fixedly provided with a limiting block.

Preferably, the seat that appears to one side sets up the upper surface one end tip at the operation panel to one side, and the lateral wall central symmetry position of the seat that appears to one side has seted up the spout, and the spout has seted up two sets ofly, and two sets of spouts use the seat that appears to one side to carry out symmetric distribution as the center, and the inside of two sets of spouts all slides and pegs graft the one end that has spacing post.

Preferably, the tip size of spacing post and the inside size phase-match of spout, spacing post slide through the spout and set up the lateral wall at the seat that appears to one side, and two sets of spacing posts are close to each other one side lateral wall central symmetry position seted up heavy groove, and the inside in heavy groove is pegged graft and is had the gag lever post, the length of gag lever post and the inside length phase-match in heavy groove.

Preferably, it is two sets of be provided with the fixed column between the spacing post, the length of fixed column and two sets of interval phase-match that sink between the groove, and the tip size of fixed column and the inside size phase-match that sinks the groove, the tip of fixed column slides and pegs graft at the surface of gag lever post, and the surface cover of gag lever post is equipped with second reset spring, and second reset spring is fixed to be set up between the top of the upper surface of fixed column and the top that sinks the groove, and the fixed column passes through two sets of second reset spring elasticity settings between two sets of spacing posts.

Preferably, a clamping plate is fixedly arranged on the outer side of the lower end face of one group of the limiting columns, inserting rods are inserted in the central symmetrical positions of the outer side walls of the clamping plate in a sliding mode, a first reset spring is sleeved on the outer surface of each inserting rod, the first reset springs are fixedly arranged between the end portions of the inserting rods and the outer side walls of the clamping plate, and the inserting rods are elastically inserted in the clamping plate through the first reset springs.

Preferably, the inserted bar is kept away from the one end tip of first reset spring and is passed the block board and plug in the inside of fixed orifices, and the size of fixed orifices and the tip size phase-match of inserted bar, the fixed orifices is seted up at the lateral wall of oblique shape seat, and the fixed orifices has seted up the multiunit, the even symmetric distribution of multiunit fixed orifices.

Preferably, the fixed division board that is provided with in upper surface central symmetry position of oblique shape seat, the length of division board and the inclined plane length phase-match of oblique shape seat, the both sides of division board all are provided with the baffle, the fixed lower surface that sets up at the fixed column of baffle, and the upper surface of division board has seted up the spacing groove, the spacing groove is "T" type structure, the inside slip of spacing groove is provided with the stopper, the size of stopper and the size phase-match of spacing groove, branch slides through the stopper and sets up the upper surface at oblique shape seat, and branch keeps away from the one end of stopper and passes logical groove, the size that leads to the groove and the size phase-match of branch, lead to the central symmetry position of seting up at the fixed column in the groove.

Preferably, the outer surface of the supporting rod is provided with a containing groove, a clamping block is inserted into the containing groove, the size of the clamping block is matched with that of the containing groove, a third reset spring is arranged in the containing groove, the third reset spring is fixedly arranged between the inside of the containing groove and the side wall of the clamping block, and the clamping block is elastically inserted into the containing groove through the third reset spring.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides an experimental apparatus of law of motion in demonstration inertial system removes the fixed column to suitable position through two sets of spacing posts of slip, then pushes down the fixed column, makes the baffle that the fixed column bottom set up laminate each other with the upper surface of oblique shape seat, then supports the top of two sets of experiment dollies and holds the surface at two sets of baffles, raises two sets of baffles simultaneously, when the surface of two sets of baffles is no longer supported and is held the experiment dolly, two sets of experiment dollies glide simultaneously at the same position.

Drawings

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

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

FIG. 4 is a schematic view of the connection between the limit post and the fixing post structure of the present invention;

fig. 5 is an explosion diagram of the strut structure of the present invention.

In the figure: the device comprises an operating table 1, an inclined seat 2, a partition plate 3, a baffle plate 4, a limiting column 5, a fixing column 6, a sliding chute 7, a fixing hole 8, a clamping plate 9, an inserting rod 10, a first return spring 11, a supporting rod 12, a through groove 13, a containing groove 14, a clamping block 15, a limiting groove 16, a sinking groove 17, a limiting rod 18, a second return spring 19, a third return spring 20 and a limiting block 21.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are illustrative of some, but not all, embodiments of the invention and are not to be construed as limiting the scope of the invention, as those skilled in the art will recognize and appreciate that many other embodiments can be made without inventive faculty.

Example one

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an experimental apparatus for demonstrate law of motion in inertia system, the experimental apparatus who demonstrates law of motion in inertia system includes:

the upper surface of the operating platform 1 is provided with an inclined seat 2, and the inclined seat 2 is of a triangular structure; the cross section of the limiting column 5 is in an L-shaped structure, and the limiting column 5 is arranged on one side of the inclined seat 2; the supporting rod 12 is arranged right above the inclined seat 2, and the bottom of the supporting rod 12 is fixedly provided with a limiting block 21;

move fixed column 6 to suitable position through sliding two sets of spacing posts 5, then push down fixed column 6, make baffle 4 that fixed column 6 bottom set up laminate each other with the upper surface of oblique seat 2, then support the top of two sets of experiment dollies and hold at the surface of two sets of baffles 4, raise two sets of baffles 4 simultaneously, when the surface of two sets of baffles 4 no longer supports and holds the experiment dolly, two sets of experiment dollies glide simultaneously at the same position.

Example two

On the basis of embodiment one, in order to realize that two sets of spacing posts 5 slide to the assigned position, can be spacing, spout 7 has been seted up to the lateral wall central symmetry position of oblique seat 2, spout 7 has been seted up two sets ofly, two sets of spout 7 carry out the symmetric distribution with oblique seat 2 as the center, and the inside of two sets of spout 7 all slides and pegs graft the one end that has spacing post 5, the tip size of spacing post 5 and the inside size phase-match of spout 7, spacing post 5 slides through spout 7 and sets up the lateral wall at oblique seat 2, the lower extreme off-plate side of one set of spacing post 5 is fixed to be provided with joint plate 9, the outside lateral wall central symmetry position of joint plate 9 slides and pegs graft and has inserted bar 10, the outer surface cover of inserted bar 10 is equipped with first reset spring 11, first reset spring 11 is fixed to be set up between the tip of inserted bar 10 and the outside lateral wall of joint plate 9, inserted bar 10 passes through first reset spring 11 elasticity grafting in the inside of joint plate 9, the size of first reset spring 11 and the size of fixed hole 8 and the fixed hole 10, the open a plurality of fixed hole phase-match of fixed hole 8 is established at fixed seat 2 and the even fixed group of fixed hole 8, and the fixed block 8 is seted up the even distribution of multiunit of fixed block hole 8.

EXAMPLE III

On the basis of the first embodiment, in order to realize that two sets of baffles 4 fixedly arranged at the bottom of the fixing column 6 can freely slide up and down, heavy grooves 17 are formed in the central symmetrical positions of the side walls of two sets of limiting columns 5 close to each other, limiting rods 18 are inserted into the heavy grooves 17, the length of each limiting rod 18 is matched with the internal length of each heavy groove 17, a fixing column 6 is arranged between the two sets of limiting columns 5, the length of the fixing column 6 is matched with the distance between the two sets of heavy grooves 17, the end part size of the fixing column 6 is matched with the internal size of each heavy groove 17, the end part of the fixing column 6 is slidably inserted into the outer surface of each limiting rod 18, a second reset spring 19 is sleeved on the outer surface of each limiting rod 18, the second reset spring 19 is fixedly arranged between the upper surface of the fixing column 6 and the top end of each heavy groove 17, and the fixing column 6 is elastically arranged between the two sets of limiting columns 5 through the two sets of second reset springs 19.

Example four

On the basis of the third embodiment, in order to realize that the fixed column 6 slides to a certain height, the fixed column can be limited at a specified height, the central symmetrical position of the upper surface of the inclined seat 2 is fixedly provided with the partition plate 3, the length of the partition plate 3 is matched with the inclined surface length of the inclined seat 2, both sides of the partition plate 3 are provided with the baffle plates 4, the baffle plates 4 are fixedly arranged on the lower surface of the fixed column 6, the upper surface of the partition plate 3 is provided with the limit groove 16, the limit groove 16 is of a 'T' -shaped structure, the inside of the limit groove 16 is slidably provided with the limit block 21, the size of the limit block 21 is matched with the size of the limit groove 16, the size of the limit groove 21 is matched with the size of the limit groove 16, the support rod 12 is slidably arranged on the upper surface of the inclined seat 2 through the limit block 21, one end of the support rod 12 far away from the limit block 21 passes through the through groove 13, the size of the through groove 13 is matched with the size of the support rod 12, the through groove 13 is arranged on the central symmetrical position of the fixed column 6, the outer surface of the support rod 12 is provided with the accommodating groove 14, the inside of the accommodating groove 14 is inserted and is inserted with the block 15, the block 15 is arranged on the side wall of the third reset spring, and the elastic block 14, and the reset spring is inserted and the reset groove 14 is arranged between the reset groove 14.

When the device is used, the inserting rod 10 is pulled outwards to enable the end portion of the inserting rod 10 to be not inserted into the fixing hole 8 any more, then the two groups of limiting columns 5 slide to enable the fixing column 6 to move to a specified height position, then the acting force on the inserting rod 10 is cancelled, the end portion of the inserting rod 10 is inserted into the fixing hole 8 to limit the limiting columns 5, then the fixing column 6 is pressed downwards, the fixing column 6 slides downwards along the limiting rod 18 and compresses the second reset spring 19, in the process of pressing down the fixing column 6, the fixing column 6 extrudes the clamping block 15, the clamping block 15 shrinks into the accommodating groove 14, when the upper surface of the fixing column 6 moves to the lower side of the accommodating groove 14, the clamping block 15 pops out and limits the fixing column 6, then the experiment trolley is placed at the front ends of the two groups of baffles 4, after preparation is completed, the clamping block 15 is extruded inwards, the fixing column 6 is pushed upwards under the action of the two groups of the second reset springs 19, and when the two groups of baffles 4 do not limit the experiment trolley any more, the experiment trolley slides downwards from the same height.

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

Claims

1. The utility model provides an experimental apparatus of law of motion in demonstration inertial system which characterized in that: the experimental device for demonstrating the law of motion in an inertial system comprises:

the device comprises an operating table (1), wherein an inclined seat (2) is arranged on the upper surface of the operating table (1), and the inclined seat (2) is of a triangular structure;

the cross section of the limiting column (5) is of an L-shaped structure, and the limiting column (5) is arranged on one side of the inclined seat (2);

the supporting rod (12) is arranged right above the inclined seat (2), and the bottom of the supporting rod (12) is fixedly provided with a limiting block (21).

2. The experimental device for demonstrating the motion law in inertial system according to claim 1, characterized in that: oblique shape seat (2) set up the upper surface one end tip at operation panel (1), and the lateral wall central symmetry position of oblique shape seat (2) has seted up spout (7), and two sets of have been seted up in spout (7), and two sets of spouts (7) use oblique shape seat (2) to carry out the symmetric distribution as the center, and the inside of two sets of spouts (7) all slides and pegs graft the one end that has spacing post (5).

3. An experimental apparatus for demonstrating the law of motion in the inertial system, according to claim 2, characterized in that: the utility model discloses a spacing post (5) of limiting device, including spacing post (5), spout (7), the inside size phase-match of tip size and spout (7) of spacing post (5), spacing post (5) slide through spout (7) and set up the lateral wall in oblique shape seat (2), and one side lateral wall central symmetry position that two sets of spacing post (5) are close to each other has seted up heavy groove (17), and the inside of heavy groove (17) is pegged graft and is had gag lever post (18), the length of gag lever post (18) and the inside length phase-match of heavy groove (17).

4. An experimental device for demonstrating the law of motion in the inertial system, according to claim 3, characterized in that: be provided with fixed column (6) between two sets of spacing post (5), the length of fixed column (6) and the interval phase-match between two sets of heavy groove (17), and the tip size of fixed column (6) and the inside size phase-match of heavy groove (17), the tip of fixed column (6) slides and pegs graft at the surface of gag lever post (18), and the surface cover of gag lever post (18) is equipped with second reset spring (19), second reset spring (19) are fixed to be set up between the upper surface of fixed column (6) and the top of heavy groove (17), fixed column (6) set up between two sets of spacing post (5) through two sets of second reset spring (19) elasticity.

5. An experimental apparatus for demonstrating the law of motion in the inertial system according to claim 4, characterized in that: the outer side of the lower end face of one group of the limiting column (5) is fixedly provided with a clamping plate (9), the central symmetrical position of the outer side wall of the clamping plate (9) is inserted with an inserting rod (10) in a sliding and inserting mode, the outer surface of the inserting rod (10) is sleeved with a first reset spring (11), the first reset spring (11) is fixedly arranged between the end portion of the inserting rod (10) and the outer side wall of the clamping plate (9), and the inserting rod (10) is elastically inserted in the clamping plate (9) through the first reset spring (11).

6. An experimental device for demonstrating the law of motion in the inertial system, according to claim 5, characterized in that: the one end tip that first reset spring (11) was kept away from in inserted bar (10) passes block board (9) and plug in the inside of fixed orifices (8), the size of fixed orifices (8) and the tip size phase-match of inserted bar (10), and the lateral wall at oblique shape seat (2) is seted up in fixed orifices (8), and the multiunit has been seted up in fixed orifices (8), the even symmetric distribution of multiunit fixed orifices (8).

7. An experimental apparatus for demonstrating the law of motion in the inertial system according to claim 6, characterized in that: the fixed division board (3) that is provided with in upper surface central symmetry position of seat to one side (2), the length of division board (3) and the inclined plane length phase-match of seat to one side (2), the both sides of division board (3) all are provided with baffle (4), baffle (4) are fixed to be set up the lower surface at fixed column (6), and spacing groove (16) have been seted up to the upper surface of division board (3), spacing groove (16) are "T" type structure, the inside slip of spacing groove (16) is provided with stopper (21), the size of stopper (21) and the size phase-match of spacing groove (16), branch (12) slide through stopper (21) and set up the upper surface at seat to one side (2), and branch (12) keep away from the one end of stopper (21) and pass logical groove (13), the size that leads to groove (13) and the size phase-match of branch (12), lead to groove (13) and set up the central symmetry position at fixed column (6).

8. An experimental apparatus for demonstrating the law of motion in the inertial system according to claim 7, characterized in that: the outer surface of the support rod (12) is provided with a containing groove (14), a clamping block (15) is inserted into the containing groove (14), the clamping block (15) is matched with the containing groove (14) in size, a third reset spring (20) is arranged inside the containing groove (14), the third reset spring (20) is fixedly arranged between the inside of the containing groove (14) and the side wall of the clamping block (15), and the clamping block (15) is elastically inserted into the containing groove (14) through the third reset spring (20).