CN212342119U

CN212342119U - Inclined plane demonstrator for physical experiment

Info

Publication number: CN212342119U
Application number: CN202021376373.6U
Authority: CN
Inventors: 刘文华
Original assignee: Jiangxi University of Technology
Current assignee: Jiangxi University of Technology
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-01-12
Anticipated expiration: 2030-07-14

Abstract

The utility model provides an inclined plane demonstration device for physical experiment, which comprises a base plate, wherein the upper end of the base plate is jointed with a movable plate, the right end of the movable plate is fixedly connected with a fixed plate, the upper end of the left side of the movable plate is equidistantly provided with at least two tension measuring pieces, the front end of the base plate is jointed with a limit plate, the upper end of the limit plate is fixedly connected with a protractor, the limit plate is fixedly connected with a round rod facing to the middle position of one end of the base plate, the round rod penetrates through the base plate and the fixed plate and is in threaded connection with a limit nut, the base plate and the fixed plate are rotationally connected through the round rod, the design realizes the quick assembly and disassembly of the base plate and the movable plate through the limit plate, the limit nut and the round rod, is convenient to maintain and replace, when in use, the inclination angle of the movable plate is adjusted through the protractor, the movable plate moves, and physical experiment demonstration is realized.

Description

Inclined plane demonstrator for physical experiment

Technical Field

The utility model relates to an inclined plane demonstration ware for physical experiment belongs to physical experiment demonstration technical field.

Background

In an ideal state, all objects falling on the ground fall at the same acceleration, which is called as the gravity acceleration, the direction of the gravity acceleration is always vertically downward, the gravity acceleration of any object is the same at the same height in the same area, and in a basic physical experiment, the physical movement of the inclined plane is a relatively simple physical experiment, and the physical experiment of the physical movement of the inclined plane is usually carried out by using an inclined plane demonstrator.

The inclined plane demonstration device for the physical experiment in the prior art is of an integral structure, is difficult to disassemble and can influence maintenance work when a working face is damaged in long-time use, and therefore the inclined plane demonstration device for the physical experiment needs to be designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an inclined plane demonstration ware for physics experiment to solve the inclined plane demonstration ware that provides in the above-mentioned background art and all be overall structure, when the working face damages appearing in long-time the use, dismantle the difficulty, can influence the problem of maintaining the work, the utility model discloses realize the quick assembly disassembly of bed plate and fly leaf, be convenient for maintain and change.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides an inclined plane demonstration ware for physics experiment, includes the bed plate, bed plate upper end laminating fly leaf, fly leaf right-hand member fixed connection fixed plate, the fixed plate sets up in bed plate right side upper end and runs through the bed plate, fly leaf left side upper end equidistance sets up two at least tensile force measurement spare, bed plate front end laminating limiting plate, limiting plate upper end fixed connection angulometer and angulometer are terminal surface before the fly leaf, the limiting plate is in the bed plate rear end towards bed plate one end intermediate position fixed connection round bar, the round bar runs through bed plate and fixed plate and threaded connection stop nut and stop nut, the bed plate passes through the round bar with the fixed plate and rotates to be connected.

Furthermore, a notch groove is formed in the middle of the right end of the base plate, and the fixing plate is arranged in the notch groove and extends out of the upper side of the notch groove.

Further, a placing groove is formed in the upper end of the left side of the base plate and is located on the left side of the notch groove.

Further, both sides around two recesses and two recesses are in the standing groove are seted up to bed plate left side upper end symmetry, inlay magnetic stripe and magnetic stripe in the recess and extend to the recess upper end, the fly leaf is inlayed iron plate and is adsorbed in the magnetic stripe upper end towards bed plate lower extreme symmetry.

Further, the middle position of the left end of the base plate and the middle position of the left end of the movable plate are fixedly connected with handles.

Furthermore, the tension measuring piece comprises a shell arranged at the upper end of the movable plate, the middle position of the right end of the shell is connected with a pulling plate in a sliding mode, the pulling plate extends into the shell, a tension spring is fixedly connected between the left end of the pulling plate and the right wall of the inner portion of the shell and is located in the shell, and a hanging hole is formed in the right side of the pulling plate and is located on the right side of the shell.

Furthermore, an observation window with scale marks is embedded at the upper end of the right side of the shell.

Furthermore, the lower end of the left side of the shell is fixedly connected with a wedge block, at least two wedge grooves are formed in the upper end of the left side of the movable plate at equal intervals and extend to the left end of the movable plate, and the wedge block is clamped in the wedge grooves.

Furthermore, an arc-shaped through groove is formed in the angle gauge, the movable plate faces one end of the angle gauge and is fixedly connected with a stud, the stud penetrates through the arc-shaped through groove, a fastening nut is connected to the outer side of the ring of the stud in a threaded mode, and the fastening nut is located at the front end of the angle gauge.

The utility model has the advantages that: the utility model discloses an inclined plane demonstration ware for physical experiment.

1. Run through bed plate and fixed plate with the round bar, rethread limiting plate and limit nut carry on spacingly to the round bar, realize the quick assembly disassembly of bed plate and fly leaf, are convenient for maintain and change.

2. During the use, through quantity goniometer adjustment fly leaf pivoted inclination, recycle a plurality of weights and pull the pulling force measuring piece and move on the fly leaf up end of slope, adjust the fly leaf angle in addition, the produced data and the orbit of different gravity weights at the motion of different inclined planes of observation that can be clear realize the demonstration of physics experiment.

3. Through magnetic stripe and iron plate, make fly leaf and bed plate adsorb, realize that fly leaf and bed plate are folding, portable.

4. Through wedge groove and voussoir, realize the quick assembly disassembly of tensile force measuring spare, the change or the maintenance of tensile force measuring spare of being convenient for.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural diagram of an inclined plane demonstrator used in a physical experiment according to the present invention;

FIG. 2 is a schematic view of a bottom plate of the inclined plane demonstration device for physical experiments;

fig. 3 is a cross-sectional view of a tension measuring piece in an inclined plane demonstration device for physical experiments.

In the figure: the device comprises a base plate 1, a movable plate 2, a tension measuring part 3, an angulometer 4, a limiting plate 5, a round rod 6, a limiting nut 7, a groove 11, a placing groove 12, a magnetic strip 13, a notch groove 14, a fixing plate 21, a wedge groove 22, an iron plate 23, a wedge block 31, a casing 32, a tension spring 33, an observation window 34, a pulling plate 35, a hanging hole 36, an arc-shaped through groove 41, a stud 42 and a fastening nut 43.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: an inclined plane demonstrator for physical experiments comprises a base plate 1, the base plate 1 is used for realizing placement work, a movable plate 2 is attached to the upper end of the base plate 1, an inclined plane can be formed through the movable plate 2, the subsequent physical experiment demonstration is facilitated, a fixed plate 21 is fixedly connected to the right end of the movable plate 2, the fixed plate 21 is arranged at the upper right end of the base plate 1 and penetrates through the base plate 1, at least two tension measuring parts 3 are arranged at the upper left end of the movable plate 2 at equal intervals, a limiting plate 5 is attached to the front end of the base plate 1, a protractor 4 is fixedly connected to the upper end of the limiting plate 5, the protractor 4 is arranged on the front end face of the movable plate 2, the protractor 4 is arranged on the upper end of the limiting plate 4, the movable plate 2 can be conveniently adjusted in angle, a round rod 6 is fixedly connected to the middle position of one end of the limiting plate 5 facing the base plate 1, the, the base plate 1 is rotatably connected with the fixed plate 21 through a round rod 6.

Specifically, a fixed plate 21 fixed at the right end of a movable plate 2 can be inserted into a base plate 1, a round rod 6 penetrates through the base plate 1 and the fixed plate 21, a limit nut 7 is connected to the outer side of the rear ring of the round rod 6 in a threaded manner, the round rod 6 is limited through a limit plate 5 and the limit nut 7, the base plate 1 and the movable plate 2 are quickly disassembled and assembled through the round rod 6, and the maintenance and the replacement are convenient, when the device is used, the base plate 1 is firstly placed on a test table, then the movable plate 2 is rotated, so that the fixed plate 21 is driven to rotate around the round rod 6, further the inclination angle of the movable plate 2 is adjusted through a weight angle gauge 4, then weights with different weights are hung on a tension measuring piece 3 respectively, the tension measuring piece 3 is pulled to move on the upper end face of the inclined movable plate 2 by using a plurality of weights, the angle of the movable plate 2 is adjusted, and data and tracks generated by the movement of different inclined faces due to different, and physical experiment demonstration is realized.

A notch groove 14 is formed in the middle position of the right end of the base plate 1, the fixing plate 21 is arranged in the notch groove 14 and extends out of the upper side of the notch groove 14, and particularly, the fixing plate 21 and the base plate 1 are convenient to insert through the notch groove 14.

Standing groove 12 and standing groove 12 are seted up to bed plate 1 left side upper end and are in breach groove 14 left side, specifically, through standing groove 12, realize saving convenient to use the weight box.

Two grooves 11 and two grooves 11 are seted up to bed plate 1 left side upper end symmetry and are in both sides around standing groove 12, inlay magnetic stripe 13 and extend to groove 11 upper end in the

groove

11, and 2 of fly leaf inlay iron plate 23 and adsorb in magnetic stripe 13 upper end towards 1 lower extreme symmetry of bed plate, specifically, through magnetic stripe 13 and iron plate 23, make fly leaf 2 adsorb with bed plate 1, realize

fly leaf

2 and 1 folding, portable with bed plate 1.

The equal fixed connection handle of 1 left end intermediate position of bed plate and 2 left ends intermediate position of fly leaf specifically, through the handle, the work of carrying is realized.

Tensile force measuring part 3 is including setting up shell 32 in fly leaf 2 upper end, shell 32 right-hand member intermediate position sliding connection arm-tie 35 and arm-tie 35 extend into inside shell 32, fixed connection tension spring 33 and tension spring 33 department are inside shell 32 between arm-tie 35 left end and the inside right wall of shell 32, set up on the arm-tie 35 right side and hang hole 36 department on the shell 32 right side, specifically, can hang the couple of weight to hang hole 36 on, then the weight can drive arm-tie 35 below pulling in the right side, and stretch tension spring 33, restriction arm-tie 35 translation rate, realize the weight and carry out the physics experiment demonstration on fly leaf 2.

The upper end of the right side of the shell 32 is embedded with an observation window 34 with scale marks, and particularly, the movement data of the pulling plate 35 can be observed conveniently through the observation window 34 and the scale marks.

The lower end of the left side of the shell 32 is fixedly connected with a wedge 31, the upper end of the left side of the movable plate 2 is provided with at least two wedge grooves 22 at equal intervals, the wedge grooves 22 extend to the left end of the movable plate 2, the wedge 31 is clamped in the wedge grooves 22, specifically, the quick assembly and disassembly of the tension measuring piece 3 are realized through the wedge grooves 22 and the wedge 31, and the replacement or maintenance of the tension measuring piece 3 is facilitated.

An arc-shaped through groove 41 is formed in the goniometer 4, the movable plate 2 is fixedly connected with a stud 42 and the stud 42 penetrates through the arc-shaped through groove 41 facing one end of the goniometer 4, a fastening nut 43 is connected with the outer side of the stud 42 in a threaded mode and the fastening nut 43 is located at the front end of the goniometer 4, specifically, after the movable plate 2 is adjusted in angle, the fastening nut 43 is connected with the stud 42 in a threaded mode, and therefore the position of the movable plate 2 is limited, and stability is high.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an inclined plane demonstration ware for physical experiment which characterized in that: comprises a base plate (1), a movable plate (2) is attached to the upper end of the base plate (1), the right end of the movable plate (2) is fixedly connected with a fixed plate (21), the fixed plate (21) is arranged at the upper end of the right side of the base plate (1) and penetrates through the base plate (1), at least two tension measuring pieces (3) are equidistantly arranged at the upper end of the left side of the movable plate (2), the front end of the base plate (1) is attached with a limiting plate (5), the upper end of the limiting plate (5) is fixedly connected with an angle measuring instrument (4), the angle measuring instrument (4) is positioned on the front end face of the movable plate (2), the limiting plate (5) is fixedly connected with a round rod (6) at the middle position of one end of the base plate (1), the round rod (6) penetrates through the base plate (1) and the fixing plate (21) and is in threaded connection with the limiting nut (7), the limiting nut (7) is positioned at the rear end of the base plate (1), the base plate (1) is rotationally connected with the fixed plate (21) through a round rod (6).

2. The slope demonstrator for physical experiment according to claim 1, wherein: a notch groove (14) is formed in the middle of the right end of the base plate (1), and the fixing plate (21) is arranged in the notch groove (14) and extends out of the upper side of the notch groove (14).

3. The inclined plane demonstrator for physical experiment according to claim 2, wherein: the upper end of the left side of the base plate (1) is provided with a placing groove (12), and the placing groove (12) is positioned on the left side of the notch groove (14).

4. A slope demonstrator for physical experiments according to claim 3, wherein: two recess (11) and two recess (11) are seted up to bed plate (1) left side upper end symmetry and are in both sides around standing groove (12), inlay magnetic stripe (13) and magnetic stripe (13) extend to recess (11) upper end in recess (11), fly leaf (2) are inlayed iron plate (23) and are adsorbed in magnetic stripe (13) upper end towards bed plate (1) lower extreme symmetry.

5. The slope demonstrator for physical experiment according to claim 1, wherein: the middle position of the left end of the base plate (1) and the middle position of the left end of the movable plate (2) are fixedly connected with handles.

6. The slope demonstrator for physical experiment according to claim 1, wherein: the tension measuring piece (3) comprises a shell (32) arranged at the upper end of the movable plate (2), the middle position of the right end of the shell (32) is connected with a pulling plate (35) in a sliding mode, the pulling plate (35) extends into the shell (32), a tension spring (33) is fixedly connected between the left end of the pulling plate (35) and the right wall of the interior of the shell (32), the tension spring (33) is located in the shell (32), a hanging hole (36) is formed in the right side of the pulling plate (35), and the hanging hole (36) is located in the right side of the shell (32).

7. The slope demonstrator for physical experiment according to claim 6, wherein: an observation window (34) with scale lines is embedded at the upper end of the right side of the shell (32).

8. The slope demonstrator for physical experiment according to claim 6, wherein: the lower extreme fixed connection voussoir (31) of shell (32) left side, at least two wedge grooves (22) and wedge groove (22) extend to fly leaf (2) left end are seted up to fly leaf (2) left side upper end equidistance, wedge groove (22) inside clamps dress voussoir (31).

9. The slope demonstrator for physical experiment according to claim 1, wherein: an arc-shaped through groove (41) is formed in the protractor (4), the movable plate (2) is fixedly connected with a stud (42) facing one end of the protractor (4), the stud (42) penetrates through the arc-shaped through groove (41), a fastening nut (43) is connected with the outer side of the ring of the stud (42) in a threaded mode, and the fastening nut (43) is located at the front end of the protractor (4).