CN210052384U

CN210052384U - High school physics demonstration instrument

Info

Publication number: CN210052384U
Application number: CN201920038500.2U
Authority: CN
Inventors: 宋裕
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-09
Filing date: 2019-01-09
Publication date: 2020-02-11
Anticipated expiration: 2029-01-09

Abstract

The utility model provides a high school physics demonstration instrument. The high school physics demonstration instrument comprises a supporting mechanism; the recording mechanism is fixedly connected to the supporting mechanism; the sliding rail is fixedly connected with the recording mechanism; flat throwing the ball; reduction gears, reduction gears connect firmly in supporting mechanism collects the bottom fixed connection of bag in supporting mechanism, sponge outer wall fixed connection in collect the inner wall of bag, the bottom of connecting plate contradict in the top of sponge, hinge fixed connection in collect the inner wall of bag, just connecting plate fixed connection in the hinge, the connecting plate passes through the hinge rotate connect in collect the inner wall of bag, the one end fixed connection of spring in the top of connecting plate, the other end fixed connection of spring in collect the inner wall of bag. The utility model provides a high school physics demonstration appearance has the speed that can slow down the object thereby prevent that the object from popping out the advantage of collecting the bag.

Description

High school physics demonstration instrument

Technical Field

The utility model relates to a physics teaching aid technical field especially relates to a high school physics demonstration appearance.

Background

The horizontal projectile motion is an important content in high school physics teaching, and how to vividly, intuitively and interestingly reflect the scientific principle is a technical problem to be solved by the current physics teaching or science popularization education. The high school physics demonstrator is a device capable of demonstrating the motion trail of a flat projectile.

However, the existing high school physics demonstration instrument can only record the motion track of a horizontally thrown object, the moved object can enter the collecting bag, but the inertia of the object motion enables the object to be ejected out of the collecting bag, so that the workload of experimenters is increased.

Therefore, there is a need to provide a new high school physics demonstration instrument to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a can slow down the speed of object thereby prevent that the object from popping out the high school physics demonstration appearance of collecting the bag.

In order to solve the technical problem, the utility model provides a high school physics demonstration appearance includes: a support mechanism; the recording mechanism is fixedly connected to the supporting mechanism; the sliding rail is fixedly connected with the recording mechanism; the flat projectile pushes against the slide rail; reduction gears, reduction gears solid connect in supporting mechanism, reduction gears is including collecting bag, sponge, spring, connecting plate and hinge, the bottom fixed connection of collecting the bag in supporting mechanism, sponge outer wall fixed connection in the inner wall of collecting the bag, the bottom of connecting plate contradict in the top of sponge, hinge fixed connection in collect the inner wall of bag, just connecting plate fixed connection in the hinge, the connecting plate passes through the hinge rotate connect in the inner wall of collecting the bag, the one end fixed connection of spring in the top of connecting plate, the other end fixed connection of spring in the inner wall of collecting the bag.

Preferably, the supporting mechanism comprises a base and a supporting rod, the bottom of the collecting bag is fixedly connected to the base, the top of the supporting rod is fixedly connected to the bottom of the base, and the cross section of the supporting rod is of an inverted T-shaped structure.

Preferably, the recording mechanism includes flat board, iron fillings and square, base fixed connection in the flat board, the square is seted up in dull and stereotyped inside, and a plurality of the square is all located dull and stereotyped inside, iron fillings are located the inside of square.

Preferably, the recording mechanism further comprises a glass plate, the glass plate is fixedly connected to the flat plate, and the outer side of the glass plate is flush with the outer side of the flat plate.

Preferably, the slide rail is fixedly connected to one side of the flat plate close to the glass plate, and the section of the slide rail is of a quarter-ring structure.

Preferably, the flat projectile pushes against the slide rail, and the flat projectile is a magnetic sphere.

Preferably, the dull and stereotyped deviating from one side sliding connection slide mechanism of glass board, slide mechanism includes arch and slider, protruding sliding connection in the dull and stereotyped deviating from one side of flat projectile, slider fixed connection in the arch, just the slider passes through protruding sliding connection in the flat board, just the slider is for having magnetic slider.

Compared with the prior art, the utility model provides a high school physics demonstration appearance has following beneficial effect:

the utility model provides a high school physics demonstration appearance, collect the inner wall fixed connection of bag in the outer wall of sponge, the motion flat toss contradict in the sponge can slow down the velocity of motion of flat toss, flat toss can roll at the top of sponge, the connecting plate passes through spring coupling in collect the inner wall of bag, work as flat toss contradict in the connecting plate not only can realize the rotation of connecting plate can also fix the connecting plate, through hinge rotate connect in collect the bag the connecting plate can slow down once more the velocity of motion of flat toss, thereby prevent flat toss pops out collect the bag.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a high school physics demonstration instrument provided by the present invention;

FIG. 2 is a schematic cross-sectional view of the reduction mechanism shown in FIG. 1;

FIG. 3 is a schematic view showing the connection of the flat plate, the iron pieces, the glass plate and the sliding mechanism shown in FIG. 1.

Reference numbers in the figures: 1. the device comprises a supporting mechanism, 11, a base, 12, a supporting rod, 2, a recording mechanism, 21, a flat plate, 22, scrap iron, 23, a glass plate, 24, a square grid, 3, a sliding rail, 4, a flat projectile, 5, a speed reducing mechanism, 51, a collecting bag, 52, sponge, 53, a spring, 54, a connecting plate, 55, a hinge, 6, a sliding mechanism, 61, a protrusion, 62 and a sliding block.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a high school physics demonstration instrument according to the present invention; FIG. 2 is a schematic cross-sectional view of the reduction mechanism shown in FIG. 1; FIG. 3 is a schematic view showing the connection of the flat plate, the iron pieces, the glass plate and the sliding mechanism shown in FIG. 1. The high school physics demonstration instrument comprises: a support mechanism 1; the recording mechanism 2 is fixedly connected to the supporting mechanism 1; the sliding rail 3 is fixedly connected with the recording mechanism 2; the flat projectile 4 is abutted against the slide rail 3; reduction gears 5, reduction gears 5 link firmly in supporting mechanism 1, reduction gears 5 is including collecting bag 51, sponge 52, spring 53, connecting plate 54 and hinge 55, the bottom fixed connection of collecting bag 51 in supporting mechanism 1, sponge 52 outer wall fixed connection in the inner wall of collecting bag 51, the bottom of connecting plate 54 contradict in the top of sponge 52, hinge 55 fixed connection in the inner wall of collecting bag 51, just connecting plate 54 fixed connection in hinge 55, connecting plate 54 pass through hinge 55 rotate connect in the inner wall of collecting bag 51, the one end fixed connection of spring 53 in the top of connecting plate 54, the other end fixed connection of spring 53 in the inner wall of collecting bag 51.

The supporting mechanism 1 comprises a base 11 and a supporting rod 12, the bottom of the collecting bag 51 is fixedly connected to the base 11, the top of the supporting rod 12 is fixedly connected to the bottom of the base 11, and the cross section of the supporting rod 12 is in an inverted T-shaped structure; in order to connect the base 11 and the support rod 12, the base 11 is fixed and supported.

The recording mechanism 2 comprises a flat plate 21, iron scraps 22 and square grids 24, the base 11 is fixedly connected to the flat plate 21, the square grids 24 are arranged inside the flat plate 21, and the iron scraps 22 are arranged inside the square grids 24; the connection between the base 11 and the flat plate 21 is realized, and the flat plate 21 can be prevented from being separated from the base 11.

The recording mechanism 2 further comprises a glass plate 23, the glass plate 23 is fixedly connected to the flat plate 21, and the outer side of the glass plate 23 is flush with the outer side of the flat plate 21; in order to connect the glass plate 23 and the flat plate 21, the movement of the iron pieces 22 is easily observed through the glass plate 23.

The slide rail 3 is fixedly connected to one side of the flat plate 21 close to the glass plate 23, and the section of the slide rail 3 is of a quarter-ring structure; in order to connect the slide rail 3 with the plate 21, the slide rail 3 is prevented from being detached from the plate 21.

The flat projectile 4 is abutted against the slide rail 3, and the flat projectile 4 is a magnetic sphere; the movement of the flat projectile 4 on the slide rail 3 is realized, so that the flat projectile 4 can be thrown.

The side of the flat plate 21, which is far away from the glass plate 23, is slidably connected with a sliding mechanism 6, the sliding mechanism 6 comprises a protrusion 61 and a sliding block 62, the protrusion 61 is slidably connected with the side of the flat plate 21, which is far away from the flat projectile 4, the sliding block 62 is fixedly connected with the protrusion 61, the sliding block 62 is slidably connected with the flat plate 21 through the protrusion 61, and the sliding block 62 is a magnetic sliding block; in order to connect the protrusion 61 and the slider 62, the iron pieces 22 are attracted and reset.

The utility model provides a high school physics demonstration appearance's theory of operation as follows:

firstly, the tops of the two support rods 12 are fixedly connected to the bottom of the base 11 to fix and support the base 11, the flat projectile 4 is released from the top of the slide rail 3 in a static manner, and when the flat projectile 4 moves to the bottom of the slide rail 3, the flat projectile 4 is thrown; secondly, the glass plate 23 is fixedly connected to one side of the flat plate 21 close to the slide rail 3, the square grids 24 are arranged inside the flat plate 21, the scrap iron 22 is arranged inside the square grids 24, the flat projectile ball 4 is a magnetic sphere, and the flat projectile ball 4 doing flat projectile motion can adsorb the scrap iron 22, so that the scrap iron 22 is adsorbed on the inner wall of the glass plate 23, and the track of the flat projectile motion can be observed; thirdly, the flat projectile 4 which has finished the flat projectile motion falls into the collection bag 51, the sponge 52 is fixedly connected to the collection bag 51, the resistance of the flat projectile 4 to the motion can be increased, so that the motion speed of the flat projectile 4 is reduced, one end of the connecting plate 54 is rotatably connected to the inner wall of the collection bag 51 through the hinge 55, and the top of the connecting plate 54 is fixedly connected to the inner wall of the collection bag 51 through the spring 53, so that the fixing and the rotation of the connecting plate 54 can be realized, and the connecting plate can be abutted against the moving flat projectile 4, so that the motion track of the flat projectile 4 is limited, the flat projectile 4 is prevented from popping out of the collection bag 51, and the deceleration of the flat projectile 4 is realized; finally, when needing to test once more, promote slider 62 for with slider 62 fixed connection the lug is in the inside slip of dull and stereotyped 21, thereby realize slider 62's slip, slider 62 is magnetic slider, can make iron fillings 22 are adsorbed, and then make adsorbed iron fillings 22 fall into in square 24, the realization is right iron fillings 22's collection and reset.

the utility model provides a high school physics demonstration appearance, the inner wall fixed connection of collection bag 51 in the outer wall of sponge 52, the motion flat projectile 4 contradict in sponge 52 can slow down flat projectile 4's velocity of motion, flat projectile 4 can be in sponge 52's top rolls, connecting plate 54 passes through spring 53 connect in the inner wall of collection bag 51, work as flat projectile 4 contradict in connecting plate 54 not only can realize connecting plate 54's rotation can also fix connecting plate 54, through hinge 55 rotate connect in collect bag 51 connecting plate 54 can slow down again flat projectile 4's velocity of motion, thereby prevent flat projectile 4 pops out collect bag 51.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A high school physics demonstration apparatus, comprising:

a support mechanism;

the recording mechanism is fixedly connected to the supporting mechanism;

the sliding rail is fixedly connected with the recording mechanism;

the flat projectile pushes against the slide rail;

reduction gears, reduction gears solid connect in supporting mechanism, reduction gears is including collecting bag, sponge, spring, connecting plate and hinge, the bottom fixed connection of collecting the bag in supporting mechanism, sponge outer wall fixed connection in the inner wall of collecting the bag, the bottom of connecting plate contradict in the top of sponge, hinge fixed connection in collect the inner wall of bag, just connecting plate fixed connection in the hinge, the connecting plate passes through the hinge rotate connect in the inner wall of collecting the bag, the one end fixed connection of spring in the top of connecting plate, the other end fixed connection of spring in the inner wall of collecting the bag.

2. The high school physics demonstrator according to claim 1, wherein the support mechanism comprises a base and a support bar, the bottom of the collection bag is fixedly connected to the base, the top of the support bar is fixedly connected to the bottom of the base, and the cross-section of the support bar is in an inverted "T" shape.

3. The high school physics demonstration instrument according to claim 2, wherein the recording mechanism comprises a flat plate, iron filings and squares, the base is fixedly connected to the flat plate, the squares are arranged inside the flat plate, a plurality of the squares are arranged inside the flat plate, and the iron filings are arranged inside the squares.

4. The high school physics demonstrator according to claim 3, wherein said recording mechanism further comprises a glass plate fixedly attached to said plate and having an outer side flush with an outer side of said plate.

5. The high school physics demonstrator according to claim 4, wherein said slide rail is fixedly connected to one side of said flat plate close to said glass plate, and the section of said slide rail is a quarter-ring structure.

6. The high school physics demonstrator according to claim 5, wherein said flat projectile impacts said sliding track and is a magnetic sphere.

7. The high school physics demonstrator according to claim 6, wherein the side of the plate facing away from the glass plate is slidably connected to a sliding mechanism, the sliding mechanism comprises a protrusion and a slider, the protrusion is slidably connected to the side of the plate facing away from the flat projectile, the slider is fixedly connected to the protrusion, the slider is slidably connected to the plate through the protrusion, and the slider is a magnetic slider.