CN211087667U

CN211087667U - High school physics horizontal projectile motion presentation device

Info

Publication number: CN211087667U
Application number: CN201920390840.1U
Authority: CN
Inventors: 张家齐
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-26
Filing date: 2019-03-26
Publication date: 2020-07-24
Anticipated expiration: 2029-03-26

Abstract

The utility model discloses a high school physics flat throwing motion presentation device, the on-line screen storage device comprises a base, the top fixedly connected with display panel of base, the top fixedly connected with plate washer of base, and the left end fixedly connected with who is close to its top pivot on the bracing piece changes the handle, the equal fixedly connected with belt pulley in surface of pivot, the surface fixed connection of belt is connected with magnet, the top fixedly connected with pipeline of display panel, the top fixedly connected with deflector of pipeline, the inside of deflector is provided with the iron ball, the fixed surface of display panel is connected with the slide, bracing piece fixedly connected with ball striking device. The utility model discloses a set up and rotate when transporting the deflector with the iron ball in from the bottom, constantly hit the iron ball and hit away, can realize continuous flat throwing iron ball, deepen the impression of student to flat throwing motion, strengthen the demonstration effect of flat throwing motion, and easy operation is convenient.

Description

High school physics horizontal projectile motion presentation device

Technical Field

The utility model relates to a teaching equipment technical field specifically is a high school physics flat throw motion presentation device.

Background

Horizontal throwing movement: the object is thrown in a horizontal direction at a certain initial velocity, and if the object is subjected to the action of gravity only, such a movement is called a flat throw movement. The horizontal projectile motion can be regarded as the combined motion of uniform linear motion in the horizontal direction and free falling motion in the vertical direction. The object in horizontal projectile motion is subjected to constant force, so that the horizontal projectile motion is uniform variable speed curvilinear motion, and the motion trail of the horizontal projectile object is a parabola. The horizontal projectile motion is that the time of the curvilinear motion horizontal projectile motion is only related to the vertical height of the projectile point; the horizontal displacement of an object falling to the ground is related to time (vertical height) and horizontal initial speed, and a horizontal projectile motion demonstration device is often used for demonstrating horizontal projectile motion for students during physical teaching, but when the existing horizontal projectile motion demonstration device is used, a projectile is picked up and thrown again, the operation is complex, the demonstration effect is not good, and therefore improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high school physics flat throwing motion presentation device has possessed easy operation, and the effectual advantage of demonstration has solved prior art operation complicacy, the not good problem of demonstration effect.

In order to achieve the above object, the utility model provides a following technical scheme: the high school physics horizontal projectile motion demonstration device comprises a base, wherein a display panel is fixedly connected to the top of the base, a baffle is fixedly connected to the top of the base, and a supporting rod is fixedly connected to the top, close to the right end of the base, of the base.

The utility model discloses a display panel, including bracing piece, belt pulley, belt, magnet, slider, the top of bracing piece and bottom all rotate to be connected with the pivot, and the left end fixedly connected with who is close to its top pivot on the bracing piece changes the handle, the equal fixedly connected with belt pulley in surface of pivot, the surface of belt pulley is passed through the belt and is connected, the outer fixed surface of belt is connected with magnet, the internal surface fixedly connected with slider of belt, the recess that corresponds with the slider is seted up on the surface of belt pulley, the position of slider is corresponding with the position of magnet, the top fixedly connected with pipeline of display panel, the top fixedly connected with deflector of pipeline, the position of deflector is corresponding with the surface of belt, the inside of deflector is provided with the iron ball, the fixed surface of display panel is connected with the slide, the position of slide.

Preferably, the ball hitting device comprises a guide frame, the outer surface of the guide frame is fixedly connected with the surface of the support rod, the inner surface of the guide frame is fixedly connected with a spring, the inner surface of the guide frame is fixedly and slidably connected with a ball hitting block, a chute is formed in the surface of the ball hitting block, the inner surface of the chute is slidably connected with the surface of the sliding block, and the right end of the ball hitting block is fixedly connected with a ball hitting rod.

Preferably, the base is fixedly connected with a storage box close to the left end of the top.

Preferably, a handle is fixedly connected to the top of the display panel.

Preferably, the bottom of the base is fixedly connected with a foot pad.

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

one, the utility model discloses an at the leftmost end fixed connection receiver of base, when not using this high school physics flat projectile motion presentation device, can put into the inside of receiver with the iron ball, reached the effect of this high school physics flat projectile motion presentation device of portable, through the bottom fixed connection callus on the sole at the base, reached and made this high school physics flat projectile motion presentation device more stable when using, through the top fixed connection spanner at the display panel, reached the effect of this high school physics flat projectile motion presentation device of portable.

Second, the utility model discloses a set up and rotate the commentaries on classics handle, change the drive pivot of handle and rotate, the pivot drives the belt pulley and rotates, the belt drives the slider and rotates, when the internal surface sliding connection of slider and chute, the slider can pass through the spout extrusion hits the ball piece, thereby make and hit the ball piece and move left, hit ball piece extrusion spring, the spring is pressed and is accumulated elasticity, when the slider breaks away from the chute, the spring release elasticity promotes to hit the ball piece and moves right, hit ball piece promote to move right and hit the ball pole and hit the iron ball, make the iron ball throw along the slide, accomplish the flat throwing motion of iron ball, the iron ball after the flat throwing slides to the leftmost end of plate along the plate washer, when continuing to rotate the commentaries on classics handle, magnet can catch the iron ball, and transport upwards along the belt, when the iron ball on the magnet contacts with the deflector, the deflector scrapes the iron ball on the magnet, and get into the inside of pipeline through the, the rotating handle is rotated ceaselessly, so that the continuous flat throwing of the iron ball can be realized, the impression of students on the flat throwing movement is deepened, the demonstration effect of the flat throwing movement is enhanced, and the operation is simple and convenient.

Drawings

Fig. 1 is a schematic structural view of a front view of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is a schematic structural diagram of a side view of the present invention;

FIG. 4 is an enlarged schematic view at B of FIG. 3;

FIG. 5 is a connection diagram of the top view of the guide plate and the pipeline according to the present invention;

fig. 6 is a cross-sectional view of the front view of the guide plate and the pipeline of the present invention;

fig. 7 is a schematic structural view of a front view of the hitting device of the present invention.

In the figure: 1-base, 2-display board, 3-baffle, 4-support rod, 5-rotating shaft, 6-rotating handle, 7-belt pulley, 8-belt, 9-magnet, 10-slide block, 11-pipeline, 12-guide plate, 13-iron ball, 14-slide plate, 15-ball hitting device, 16-guide frame, 17-spring, 18-ball hitting block, 19-chute, 20-ball hitting rod, 21-storage box, 22-handle and 23-foot pad.

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 to 7, the present invention provides a technical solution: a high school physics flat projectile motion demonstration device comprises a base 1, wherein the base 1 plays a role of supporting the high school physics flat projectile motion demonstration device in the utility model, a storage box 21 is fixedly connected to the left end of the base 1, a storage box 21 is fixedly connected to the leftmost end of the base 1, when the high school physics flat projectile motion demonstration device is not used, iron balls 13 can be placed in the storage box 21, the high school physics flat projectile motion demonstration device is convenient to carry, a foot pad 23 is fixedly connected to the bottom of the base 1, the purpose of enabling the high school physics flat projectile motion demonstration device to be more stable in use is achieved by fixedly connecting the foot pad 23 to the bottom of the base 1, a display panel 2 is fixedly connected to the top of the base 1, the display panel 2 is used for protruding the iron balls 13, students can better see the motion trail of the iron balls 13, a handle 22 is fixedly connected to the top of the display panel 2, the top of the display panel 2 is fixedly connected with a wrench 22, so that the high school physics horizontal projectile motion demonstration device is convenient to carry, the top of the base 1 is fixedly connected with a baffle 3, the baffle 3 is convenient for the iron ball 13 after horizontal projectile motion to be conveyed to the direction of the belt 8, and the top of the base 1 close to the right end of the base is fixedly connected with a support rod 4.

Referring to fig. 1 to 7, the top and the bottom of the support rod 4 are both rotatably connected with a rotating shaft 5, the rotating shaft 5 rotatably connects a belt pulley 7 to the support rod 4, and the left end of the support rod 4 near the rotating shaft 5 at the top thereof is fixedly connected with a rotating handle 6, the rotating handle 6 rotates, the rotating handle 6 drives the rotating shaft 5 to rotate, the rotating shaft 5 drives the belt pulley 7 to rotate, the belt pulley 7 drives a belt 8 to rotate, the belt 8 drives a slide block 10 to rotate, when the slide block 10 is slidably connected with the inner surface of a chute 19, the slide block 10 presses a hitting block 18 through the chute 19, so that the hitting block 18 moves leftwards, the hitting block 18 presses a spring 17, the spring 17 is pressed to accumulate elastic force, when the slide block 10 is separated from the chute 19, the spring 17 releases the elastic force to push the hitting block 18 to move rightwards, the hitting block 18 pushes a hitting rod 20 to move rightwards to hit an iron, the surface of the rotating shaft 5 is fixedly connected with a belt pulley 7, the surface of the belt pulley 7 is connected through a belt 8, the outer surface of the belt 8 is fixedly connected with a magnet 9, the magnet 9 adsorbs an iron ball 13 on the belt 8, the inner surface of the belt 8 is fixedly connected with a slide block 10, when the surface of the slide block 10 slides on the inner surface of a chute 19, the slide block 10 can extrude a ball hitting block 18 through the chute 19, so that the ball hitting block 18 moves leftwards, the ball hitting block 18 extrudes a spring 17, the spring 17 is pressed to accumulate the elastic force for hitting the iron ball 13, the surface of the belt pulley 7 is provided with a groove corresponding to the slide block 10, the position of the slide block 10 corresponds to the position of the magnet 9, the top of the display panel 2 is fixedly connected with a pipeline 11, the iron ball 13 inside the guide plate 12 falls on a sliding plate 14 through the pipeline 11 to prepare for next hitting, the top of the pipeline 11 is fixedly connected with a guide plate, the position of the guide plate 12 corresponds to the surface of the belt 8, an iron ball 13 is arranged inside the guide plate 12, when the iron ball 13 is hit out from the sliding plate 14, the iron ball 13 can complete horizontal projectile motion in front of the display panel 2, the sliding plate 14 is fixedly connected to the surface of the display panel 2, the sliding plate 14 is matched with the pipeline 11 to fix the position of the iron ball 13, the iron ball 13 is prevented from sliding off the sliding plate 14, the position of the sliding plate 14 is right below the pipeline 11, the support rod 4 is fixedly connected with a ball hitting device 15, the ball hitting device 15 comprises a guide frame 16, the outer surface of the guide frame 16 is fixedly connected with the surface of the support rod 4, the inner surface of the guide frame 16 is fixedly connected with a spring 17, the inner surface of the guide frame 16 is fixedly connected with a ball hitting block 18 in a sliding manner, the surface of the ball hitting block 18 is provided with an inclined groove 19, the inner surface of the, when the ball striking block 18 drives the ball striking rod 20 to move rightwards, the iron ball 13 is struck.

The working principle is as follows: when the high and middle physics flat throwing motion demonstration device is used, the iron ball 13 is taken out from the storage box 21 and placed in the guide plate 12, then the rotating handle 6 is rotated, the rotating handle 6 drives the rotating shaft 5 to rotate, the rotating shaft 5 drives the belt pulley 7 to rotate, the belt pulley 7 drives the belt 8 to rotate, the belt 8 drives the slide block 10 to rotate, when the slide block 10 is in sliding connection with the inner surface of the inclined groove 19, the slide block 10 can extrude the ball hitting block 18 through the sliding groove 19, so that the ball hitting block 18 moves leftwards, the ball hitting block 18 extrudes the spring 17, the spring 17 is pressed to accumulate elastic force, when the slide block 10 is separated from the inclined groove 19, the spring 17 releases the elastic force to push the ball hitting block 18 to move rightwards, the ball hitting block 18 pushes the ball hitting rod 20 to move rightwards, so that the iron ball 13 is thrown out along the sliding plate 14 to complete the flat throwing motion of the iron ball 13, the flat-thrown iron ball 13 slides down to, the magnet 9 attracts the iron ball 13 and conveys the iron ball upwards along the belt 8, when the iron ball 13 on the magnet 9 is contacted with the guide plate 12, the guide plate 12 scrapes the iron ball 13 on the magnet 9 and enters the inside of the pipeline 11 through the guide plate 12, and the rotating handle 6 is continuously rotated, so that the continuous flat throwing of the iron ball 13 can be realized, and the impression of students on the flat throwing motion is deepened.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high school physics flat throwing motion presentation device, includes base (1), the top fixedly connected with display panel (2) of base (1), its characterized in that: the top of the base (1) is fixedly connected with a baffle plate (3), and the top of the base (1) close to the right end thereof is fixedly connected with a supporting rod (4);

the top and the bottom of the support rod (4) are both rotatably connected with a rotating shaft (5), the support rod (4) is fixedly connected with a rotating handle (6) close to the left end of the top rotating shaft (5), the surface of the rotating shaft (5) is fixedly connected with a belt pulley (7), the surface of the belt pulley (7) is connected with a belt (8), the outer surface of the belt (8) is fixedly connected with a magnet (9), the inner surface of the belt (8) is fixedly connected with a sliding block (10), the surface of the belt pulley (7) is provided with a groove corresponding to the sliding block (10), the position of the sliding block (10) corresponds to the position of the magnet (9), the top of the display panel (2) is fixedly connected with a pipeline (11), the top of the pipeline (11) is fixedly connected with a guide plate (12), and the position of the guide plate (12) corresponds to the surface of the belt (, an iron ball (13) is arranged inside the guide plate (12), a sliding plate (14) is fixedly connected to the surface of the display plate (2), the sliding plate (14) is located right below the pipeline (11), and the support rod (4) is fixedly connected with a ball hitting device (15).

2. The high school physical horizontal projectile motion demonstration device according to claim 1, wherein: the ball hitting device (15) comprises a guide frame (16), the outer surface of the guide frame (16) is fixedly connected with the surface of the support rod (4), the inner surface of the guide frame (16) is fixedly connected with a spring (17), the inner surface of the guide frame (16) is fixedly and slidably connected with a ball hitting block (18), the surface of the ball hitting block (18) is provided with a chute (19), the inner surface of the chute (19) is slidably connected with the surface of the sliding block (10), and the right end of the ball hitting block (18) is fixedly connected with a ball hitting rod (20).

3. The high school physical horizontal projectile motion demonstration device according to claim 1, wherein: the left end fixedly connected with receiver (21) that is close to the top on base (1).

4. The high school physical horizontal projectile motion demonstration device according to claim 1, wherein: the top of the display board (2) is fixedly connected with a handle (22).

5. The high school physical horizontal projectile motion demonstration device according to claim 1, wherein: the bottom of the base (1) is fixedly connected with a foot pad (23).