CN210836749U

CN210836749U - Physical horizontal projectile motion demonstration device

Info

Publication number: CN210836749U
Application number: CN201922168311.XU
Authority: CN
Inventors: 龙翰翔
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-06-23
Anticipated expiration: 2029-12-05

Abstract

The utility model discloses a belong to teaching tool technical field, specifically be a physical flat throwing motion presentation device, including show board, guide rail, horizontal guide arm, electromagnetic means, ya li ke board, bottom plate, the sliding tray has been seted up to the show board left end, sliding tray top and bottom fixed mounting the guide rail, show board top fixed mounting horizontal guide arm, show board rear end fixed mounting electromagnetic means, the below the guide rail right-hand member is equipped with ya li ke board, ya li ke board fixed mounting be in on the show board, show board bottom fixed mounting the bottom plate, the utility model discloses structural design scientific and reasonable installs spirit level and adjustable base on the bottom plate, spirit level and adjustable base have the effect of balanced regulation to the bottom plate, this device simple structure has improved the practicality of product.

Description

Physical horizontal projectile motion demonstration device

Technical Field

The utility model relates to a teaching tool technical field specifically is a physical horizontal projectile motion presentation device.

Background

In the physical teaching process, a physical flat projectile motion demonstration device is often used, the existing physical flat projectile motion demonstration device rolls a monomer iron ball from a slope to realize flat projectile motion, the flat projectile motion, free falling motion and horizontal uniform linear motion cannot be simultaneously carried out, the positions of the flat projectile motion and the free falling motion cannot be changed, the baffle plate of the existing horizontal uniform linear motion adopts opaque metal or plastic plates, the effect of the physical flat projectile motion cannot be clearly expressed, students cannot understand the meaning of the flat projectile motion, and teaching quality is affected.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

The present invention has been made in view of the above and/or other problems occurring in the prior art physical horizontal projectile motion demonstration apparatus.

Therefore, the utility model aims at providing a physics flat projectile motion presentation device can solve above-mentioned current physics flat projectile motion presentation device of proposing and roll off the monomer iron ball from the slope and realize the flat projectile motion, can not realize the flat projectile motion, the free falling motion, the level is at the uniform velocity linear motion three goes on simultaneously, and can not change the position of flat projectile motion and free falling motion, the baffle of current level at the uniform velocity linear motion adopts opaque metal or plastic slab, the effect of the flat projectile motion of unable clear expression physics, let the student be difficult to understand the problem of the meaning of flat projectile motion.

For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:

a physical panning motion demonstration apparatus comprising: show board, guide rail, horizontal guide arm, electromagnetic means, ya li ke board, bottom plate, the sliding tray has been seted up to the show board left end, sliding tray top and bottom fixed mounting the guide rail, show board top fixed mounting horizontal guide arm, show board rear end fixed mounting electromagnetic means, below the guide rail right-hand member is equipped with ya li ke board, ya li ke board fixed mounting be in on the show board, show board bottom fixed mounting the bottom plate, bottom plate top both sides fixed mounting spirit level, the adjustable base of bottom plate bottom fixed mounting.

As a preferred scheme of the physical horizontal projectile motion demonstration device of the utility model, wherein: and a shaft cylinder is arranged on the outer wall of the horizontal guide rod, and a third electromagnet is fixedly installed at the bottom of the shaft cylinder.

As a preferred scheme of the physical horizontal projectile motion demonstration device of the utility model, wherein: the electromagnetic device is electrically connected with the first electromagnet, the second electromagnet, the third electromagnet and the switch, the first electromagnet is fixedly installed above the left end of the guide rail, the second electromagnet is fixedly installed below the left end of the guide rail, and the switch is fixedly installed in the middle of the top of the bottom plate.

As a preferred scheme of the physical horizontal projectile motion demonstration device of the utility model, wherein: the front end of the display board is provided with scale marks.

Compared with the prior art: this flat throwing motion presentation device of physics, install electromagnetic means on the show board, electromagnetic means's electro-magnet one, install respectively on two sets of guide rails and beam barrel with the electro-magnet three, three group's electro-magnets have the common release effect to the iron ball, the guide rail is installed in the sliding tray, and gliding effect from top to bottom has, the beam barrel has balanced slip effect through horizontal guide arm, the ya keli board of below guide rail right-hand member installation, the ya keli board is made for transparent resin material, can be clear look over the movement track of metal ball, install spirit level and adjustable base on the bottom plate, spirit level and adjustable base have balanced regulation's effect to the bottom plate, this device simple structure, the practicality of product has been improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:

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

fig. 2 is a top view of the device structure of the present invention.

In the figure, a 100 display board, a 200 guide rail, a 210 sliding groove, a 300 horizontal guide rod, a 310 shaft cylinder, a 400 electromagnetic device, a 410 electromagnet I, a 420 electromagnet II, a 430 electromagnet III, a 440 switch, a 500 ya keli board, a 600 bottom board, a 610 level gauge, a 620 adjustable base and 700 scale marks.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model provides a physical horizontal projectile motion demonstration device, which has the advantage that the guide rail has a moving effect, please refer to fig. 1, comprising a display board 100, a guide rail 200, a horizontal guide rod 300, an electromagnetic device 400, an ya li ke board 500, a bottom board 600 and scale marks 700;

referring to fig. 1 and 2, a sliding groove 210 is formed at the left end of the display board 100, specifically, the top and the bottom of the sliding groove 210 are in threaded connection with a guide rail 200, the top of the display board 100 is in threaded connection with a horizontal guide rod 300, a shaft cylinder 310 is arranged on the outer wall of the horizontal guide rod 300, a acrylic plate 500 is arranged at the right end of the lower guide rail 200, the acrylic plate 500 is in threaded connection with the display board 100, the display board 100 has a display effect on physical flat throw motion, the sliding groove 210 has an installation effect on the guide rail 200 and also has an effect of adjusting the position of the guide rail 200 up and down, the guide rail 200 has a kinetic energy flat throw effect on metal balls in physical flat throw motion, the horizontal guide rod 300 has a left-right movement effect on the shaft cylinder 310, the shaft cylinder 310 has an installation effect on an electromagnet III 430, and the acrylic plate 500 is made of a transparent resin.

Referring to fig. 1 and 2, an electromagnetic device 400 is fixedly installed at the rear end of a display board 100, specifically, the electromagnetic device 400 is screwed at the rear end of the display board 100, the electromagnetic device 400 is electrically connected with an electromagnet one 410, an electromagnet two 420, an electromagnet three 430 and a switch 440, the electromagnet one 410 is fixedly installed at the left end of an upper guide rail 200, the electromagnet two 420 is fixedly installed at the left end of a lower guide rail 200, the switch 440 is fixedly installed in the middle of the top of a bottom plate 600, the electromagnet three 430 is fixedly installed at the bottom of a shaft cylinder 310, the electromagnetic device 400 is a main machine structure of the electromagnet, the electromagnetic device 400 has a control function on the electromagnet, the electromagnet is a device which generates electromagnetism when being powered on, a conductive winding matched with the power of the electromagnet is wound outside an iron core, the coil which is provided with current has magnetism like the magnet and is also called as an electromagnet, and is generally made into a bar shape or, the first electromagnet 410, the second electromagnet 420 and the third electromagnet 430 have an adsorption effect on an iron ball, and the switch 440 is a single switch and has a power-off effect on the electromagnets.

The display board 100 is made of an environmentally friendly plastic material.

When the device is used specifically, a person skilled in the art adjusts the positions of the two groups of guide rails 200 through the sliding grooves 210 and then fixes the two groups of guide rails by threads, places the three electromagnets 430 on the horizontal guide rod 300 through the shaft cylinder 310, observes whether the bottom plate 600 is balanced or not through the level meter 610, levels the unbalanced state through the adjustable base 620, starts the electromagnetic device 400, places the three iron balls on the first electromagnet 410, the second electromagnet 420 and the third electromagnet 430 respectively, presses the switch 440, and sets the three groups of iron balls to lose the adsorption force at the same time and perform physical flat projectile motion.

In order to enable the bottom plate 600 of the device to have a balance detection function, level gauges 610 are fixedly installed on two sides of the top of the bottom plate 600, specifically, grooves are formed in two sides of the top of the bottom plate 600 to be adhered with the level gauges 610, the level gauges 610 are bubble level gauges, a bubble level gauge system is used for detecting whether a machine installation surface or a flat plate is horizontal or not and measuring instruments for measuring the inclination direction and the angle, a frame seat is manufactured by high-grade steel materials, after precision machining, the frame seat base is required to be flat, a long and round glass tube is installed in the center of a seat surface, a transverse small horizontal glass tube is also attached to the left end, the inside of the tube is filled with ether or alcohol, a small bubble is reserved in the tube, the small bubble is located at the highest point permanently in the tube, and the.

Referring to fig. 1, in order to prevent the display board 100 from displaying the movement path of the iron ball, the front end of the display board 100 is provided with scale marks 700, specifically, the scale marks 700 are uniformly and equidistantly arranged at the front end of the display board 100, and the scale marks 700 have a measuring effect on the movement track of the iron ball on the display board 100.

Referring to fig. 1, in order to prevent the bottom plate 600 from being unable to adjust the height, an adjustable base 620 is fixedly installed at the bottom of the bottom plate 600, specifically, the adjustable base 620 is a base supported by bolts, and the adjustable base 620 has an adjusting function on the height of the bottom plate 600 by increasing or decreasing the length of the bolts through rotating nuts.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a physical flat throwing motion presentation device which characterized in that: including show board (100), guide rail (200), horizontal guide (300), electromagnetic means (400), ya li ke board (500), bottom plate (600), sliding tray (210) have been seted up to show board (100) left end, sliding tray (210) top and bottom fixed mounting guide rail (200), show board (100) top fixed mounting horizontal guide (300), show board (100) rear end fixed mounting electromagnetic means (400), below guide rail (200) right-hand member is equipped with ya li ke board (500), ya li ke board (500) fixed mounting be in on show board (100), show board (100) bottom fixed mounting bottom plate (600), bottom plate (600) top both sides fixed mounting spirit level (610), adjustable base (620) of bottom plate (600) bottom fixed mounting.

2. The physical horizontal projectile motion demonstration device according to claim 1, wherein the outer wall of the horizontal guide rod (300) is provided with a shaft cylinder (310), and an electromagnet three (430) is fixedly installed at the bottom of the shaft cylinder (310).

3. The physical panning motion demonstration apparatus according to claim 1, wherein the electromagnetic apparatus (400) is electrically connected to a first electromagnet (410), a second electromagnet (420), a third electromagnet (430) and a switch (440), the first electromagnet (410) is fixedly installed at the left end of the upper guide rail (200), the second electromagnet (420) is fixedly installed at the left end of the lower guide rail (200), and the switch (440) is fixedly installed at the middle of the top of the bottom plate (600).

4. A physical panning movement demonstration apparatus according to claim 1, wherein the front end of the display board (100) is provided with graduation marks (700).