CN211719129U

CN211719129U - Physical speed testing arrangement for physics experiments

Info

Publication number: CN211719129U
Application number: CN202020801744.4U
Authority: CN
Inventors: 闵杰
Original assignee: Jiangsu Vocational College of Finance and Economics
Current assignee: Jiangsu Vocational College of Finance and Economics
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-10-20
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses a physics speed testing arrangement for physics experiments relates to physics experiments technical field, the on-line screen storage device comprises a base, the base top is provided with the slide, and the base passes through first axis of rotation with the slide and is connected, the inside bevel protractor that is provided with bottom slide fixed connection of base, the inside slide that is located of base is kept away from first axis of rotation one side and is provided with the mounting groove, install flexible urceolus in the mounting groove, the inside sliding connection of flexible urceolus has the telescopic link. The utility model discloses a set up the slide on the base, for the experimental object provides the motion track, through the angle ruler that sets up to be connected with the slide on the base and the telescopic link mechanism who comprises flexible urceolus, telescopic link, tightening pin, can carry out the accuracy to the inclination of slide and adjust, guarantee the accuracy of the experiment that tests the speed, and can keep the slide fixed state after inclination adjusts.

Description

Physical speed testing arrangement for physics experiments

Technical Field

The utility model relates to a physics experiment technical field specifically is a physics is physical speed testing arrangement for physics experiments.

Background

The physics experiment is a mode of experimenting and examining theoretical physics, the physics experiment covers the experiment of many aspects, wherein speed test experiment is comparatively common physics experiment, speed testing arrangement is the important instrument of experiment, physical speed testing arrangement can detect the velocity of motion of object, nevertheless experimental object inclination angle among the current physical speed testing arrangement adjusts the accuracy inadequately, can't carry out the accuracy to experimental object inclination angle, slight regulation, cause the error of testing the speed easily, and experimental object can follow the motion track after the test and fall test bench, cause the experimental object to damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the speed measurement error is easily caused by inaccurate adjustment of the inclination angle of an experimental object in a physical speed detection device and the damage of the experimental object caused by the falling of the experimental object along a moving track after the test, the physical speed detection device for the physical experiment is provided.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a physics is speed testing arrangement for physics experiments, includes the base, the base top is provided with the slide, and the base is connected through first axis of rotation with the slide, the inside bevel protractor that is provided with bottom slide fixed connection of base, the inside slide that is located of base keeps away from first axis of rotation one side and is provided with the mounting groove, install flexible urceolus in the mounting groove, the inside sliding connection of flexible urceolus has the telescopic link, and the flexible urceolus outside is provided with screws up the round pin with telescopic link matched with, the telescopic link passes through the second axis of rotation and is connected with the slide bottom, the base is close to first axis of rotation one side and is.

In a preferred embodiment of the present invention, the full angle on the angle ruler is ninety degrees, and the scale of the joint of the angle ruler and the sliding plate is zero degrees.

In a preferred embodiment of the present invention, a blocking rail is disposed at the front end of the sliding plate in front of the second rotation axis, and a blocking block is slidably connected above the blocking rail.

In a preferred embodiment of the present invention, the bottom of the sliding plate is parallel to the top of the base when the telescopic rod is fully retracted into the mounting groove.

In a preferred embodiment of the present invention, the inner bottom end of the drop box is provided with a sponge.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up the slide on the base, for the experimental article provide the motion track, through the angle ruler that is connected with the slide and by flexible urceolus on the base, the telescopic link, screw up the telescopic link mechanism that the round pin constitutes, can carry out the accuracy regulation to the inclination of slide, guarantee the accuracy of the experiment that tests the speed, and can keep the slide fixed state after inclination adjusts, conveniently carry out multiunit speed test experiment, through the box that falls that lies in the slide below at the base rear end and set up built-in sponge, can prevent that the experimental article from falling many times and causing the damage.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a schematic view of the blocking mechanism of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a physical speed testing device for physical experiments comprises a base 1, a sliding plate 4 is arranged at the top of the base 1, the base 1 and the sliding plate 4 are rotatably connected through a first rotating shaft 3, an angle ruler 7 fixedly connected with the bottom of the sliding plate 4 is arranged inside the base 1, a mounting groove 8 is arranged inside the base 1 and on one side, away from the first rotating shaft 3, of the sliding plate 4, a telescopic outer cylinder 9 is installed inside the mounting groove 8, a telescopic rod 10 is slidably connected inside the telescopic outer cylinder 9, a tightening pin 11 matched with the telescopic rod 10 is arranged outside the telescopic outer cylinder 9, the telescopic rod 10 is connected with the bottom of the sliding plate 4 through a second rotating shaft 12, and a drop box 2 is arranged on one side, close to.

The utility model discloses a set up slide 4 on base 1, for the experimental article provides the motion track, through set up the bevel protractor 7 that is connected with slide 4 on base 1 and by flexible urceolus 9, telescopic link 10, tighten the telescopic link mechanism that round pin 11 constitutes, can carry out the accuracy regulation to slide 4's inclination, guarantee the accuracy of experiment that tests the speed, and can keep slide 4 fixed state after inclination adjusts, conveniently carry out multiunit speed test experiment, through lie in slide 4 below at base 1 rear end and set up the box 2 that falls of built-in sponge, can prevent that the experimental article from falling many times and causing the damage.

Please refer to fig. 1, the full angle on the angle ruler 7 is ninety degrees, and the scale at the joint of the angle ruler 7 and the sliding plate 4 is zero degree, the utility model discloses a set up ninety degrees at the angle ruler 7 and be full angle, and the zero degree setting and the joint of the angle ruler 7 and the sliding plate 4 can satisfy the regulation requirement of the sliding plate 4 angle of inclination in the physical experiment.

Please refer to fig. 1 and fig. 2, the front end of the sliding plate 4 is located in front of the second rotating shaft 12 and is provided with a blocking rail 5, and the blocking block 6 is connected above the blocking rail 5 in a sliding manner, the utility model discloses a set up the blocking mechanism which is composed of the blocking rail 5 and the blocking block 6 and is located in front of the second rotating shaft 12 at the front end of the sliding plate 4, the experimental object can be stopped before the speed measurement experiment begins.

Please refer to fig. 1 and fig. 2, the bottom of the sliding plate 4 is parallel to the top of the base 1 when the telescopic rod 10 is completely retracted into the mounting groove 8, the utility model discloses a set up the mounting groove 8 inside the base 1, can make things convenient for the telescopic rod 10 to completely retract into the base 1, further can realize that the sliding plate 4 is kept flat on the top of the base 1.

Please refer to fig. 1 emphatically, fall the inside bottom of box 2 and be provided with the sponge, the utility model discloses a falling the inside bottom of box 2 and setting up the sponge, can protecting the experimental object that falls to falling in the box 2, the damage prevention.

The working principle is as follows: during the experiment, the experimental object is placed on the sliding plate 4 positioned above the blocking block 6, the blocking block 6 blocks the experimental object to slide down along the sliding plate 4, according to the experiment requirement, at the moment, the experimenter needs to make the included angle between the sliding plate 4 and the base 1 be the experiment required angle, the included angle between the sliding plate 4 and the base 1 is the corresponding angle scale on the angle scale 7, firstly, the tightening pin 11 is loosened, the sliding plate 4 is pulled open to expose the angle scale 7, according to the experiment required angle, the scale on the angle scale 7 is aligned, the sliding plate 4 is pulled clockwise until the top surface edge line of the experimental object is superposed with the corresponding scale of the experiment required inclination angle on the angle scale 7 and is kept still, the tightening pin 11 is tightened, at the moment, the telescopic rod 10 supports the sliding plate 4 to keep a fixed state, the inclination angle of the sliding plate 4 is adjusted, the experimenter takes out the timing watch, the blocking block 6 is pulled, the experimental object begins to move, meanwhile, the time-meter is pressed down to begin timing, when the experimental object slides away from the sliding plate 4, the time-meter is pressed down to end timing, the experimental object falls into the falling box 2, the formula is calculated according to the timing time and the distance between the sliding plate and the sliding plate according to the comparison speed, the movement speed of the experimental object at the inclination angle required by the experiment is obtained, after the calculation is finished, the experimental object is taken out of the falling box 2, the experiment at the inclination angle required by other experiments is carried out, the operation is repeated, after the experiment is finished, the original storage position of the experimental object is retracted, the screwing pin 11 is loosened, the telescopic rod 10 drives the sliding plate 4 to descend to the sliding plate 4 and is completely horizontally placed on the base 1.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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.

Claims

1. The utility model provides a physical speed testing arrangement for physics experiments, includes the base, its characterized in that: the base top is provided with the slide, and the base is connected through first axis of rotation with the slide, the inside bevel protractor with slide bottom fixed connection that is provided with of base, the inside slide that is located of base keeps away from first axis of rotation one side and is provided with the mounting groove, install flexible urceolus in the mounting groove, the inside sliding connection of flexible urceolus has the telescopic link, and the flexible urceolus outside is provided with the round pin of screwing up with telescopic link matched with, the telescopic link is connected through second axis of rotation and slide bottom, the base is close to first axis of rotation one side and is provided with and falls the box.

2. The physical speed testing device for the physical experiment according to claim 1, wherein: the full angle on the angle ruler is ninety degrees, and the scale at the joint of the angle ruler and the sliding plate is zero degree.

3. The physical speed testing device for the physical experiment according to claim 1, wherein: the front end of the sliding plate is provided with a blocking track in front of the second rotating shaft, and a blocking block is connected above the blocking track in a sliding mode.

4. The physical speed testing device for the physical experiment according to claim 1, wherein: the bottom of the sliding plate is parallel to the top of the base when the telescopic rod is completely retracted into the mounting groove.

5. The physical speed testing device for the physical experiment according to claim 1, wherein: the bottom end of the interior of the falling box is provided with sponge.