CN210166999U

CN210166999U - Flat throw motion trail demonstration device based on smart phone

Info

Publication number: CN210166999U
Application number: CN201920429943.4U
Authority: CN
Inventors: 罗慧; 杨小芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-01
Filing date: 2019-04-01
Publication date: 2020-03-20
Anticipated expiration: 2029-04-01

Abstract

The utility model discloses a flat throwing movement track presentation device based on smart mobile phone, including base and smart mobile phone body, the through-hole has all been seted up at the both ends of base, the inside activity of through-hole is pegged graft and is had the screw rod, threaded connection has the nut on the screw rod, be equipped with fixing device in the draw-in groove. Through installing transparent capacitive screen and PVC transparent plate on the base, place the smart mobile phone body in the draw-in groove in the PVC transparent plate, install guide rail and parallel guide rail with higher speed between transparent capacitive screen and PVC transparent plate, in the operation, transfer the smart mobile phone body to drawing software interface, place the metal ball on the guide rail with higher speed, the metal ball moves down along guide rail and parallel guide rail with higher speed, do the flat throw motion, the movement track shows the drawing software interface at the smart mobile phone body, also can the motion track of synchronous display bobble need not to contact the cell-phone, once image has, the principle is simple, the phenomenon is obvious.

Description

Flat throw motion trail demonstration device based on smart phone

Technical Field

The utility model relates to a physical experiment technical field specifically is a flat throw movement track presentation device based on smart mobile phone.

Background

An experiment for exploring the flat projectile motion is a basic and important link of flat projectile motion teaching, and the rule of the flat projectile motion and motion parameters such as calculating the initial speed of the flat projectile motion through the track are established on the basis of drawing the track of the flat projectile motion.

The conventional method for acquiring the horizontal projectile motion track comprises the traditional methods of manually describing a point track, observing water flow sprayed from a horizontal pipe, displaying the track in a computer by using a two-dimensional plane motion sensor and the like, and has the problems that multiple experiments are needed, some tracks cannot be left, some principles are not visual and the like. Therefore, a flat throwing motion trail demonstration device based on a smart phone is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flat throw movement track presentation device based on smart mobile phone, place the smart mobile phone body in the draw-in groove in the PVC transparent plate, guide rail and parallel guide rail are accelerated in the installation between transparent capacitance screen and PVC transparent plate, in the time of the operation, transfer the smart mobile phone body to the drawing software interface, place the metal ball on the guide rail with higher speed, the metal ball moves downwards along accelerating guide rail and parallel guide rail, do the flat throw movement, the movement track shows the drawing software interface at the smart mobile phone body, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a flat throw movement track presentation device based on smart mobile phone, includes base and smart mobile phone body, the through-hole has all been seted up at the both ends of base, the inside activity of through-hole is pegged graft there is the screw rod, threaded connection has the nut on the screw rod, the lower extreme fixed connection of screw rod is in the top of fixed plate, install transparent electric capacity screen and PVC transparent plate on the base, install between transparent electric capacity screen and the PVC transparent plate and accelerate guide rail and parallel guide, swing joint has the metal ball on accelerating guide rail and the parallel guide rail, the draw-in groove that is used for placing the smart mobile phone body is seted up at the middle part of PVC transparent plate, be equipped with fixing device in.

Preferably, the fixing device comprises a cylinder body, the inside of the cylinder body is provided with a spring, the top fixedly connected with limiting plate of the spring, the top fixedly connected with linkage rod of the limiting plate, the upper end fixedly connected with clamping plate of the linkage rod, and the limiting blocks are arranged at the tops of the clamping plate and the clamping grooves.

Preferably, one side of the PVC transparent plate is provided with a gravity ball and a horizontal bubble respectively.

Preferably, the width of the accelerating guide rail and the parallel guide rail is 0.8mm-1mm larger than the diameter of the metal ball.

Preferably, the bottom of the fixing plate is provided with a rubber pad, and the bottom of the rubber pad is provided with anti-skid grains.

Preferably, the top of base is installed with the baffle, the baffle is located between transparent capacitive screen and the PVC transparent plate.

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

1. the utility model discloses an installation transparent capacitance screen and PVC transparent plate on the base, place the smart mobile phone body in the draw-in groove in the PVC transparent plate, guide rail and parallel guide rail are accelerated in the installation between transparent capacitance screen and PVC transparent plate, in the time of the operation, transfer the smart mobile phone body to drawing software interface, place the metal ball on accelerating the guide rail, the metal ball moves down along accelerating the guide rail and parallel guide rail, do the flat throw motion, the movement track shows the drawing software interface at the smart mobile phone body, the movement track that also can the synchronous display bobble need not to contact the cell-phone, once image has, the principle is simple, the phenomenon is obvious.

2. The demonstration device is used for displaying the track of the horizontal projectile motion of the small ball, the operation is simple and rapid, the innovation and the interest are strong, in addition, students often use mobile phones, the method for generating the track is easy to accept, the classroom efficiency is improved by practicing the teaching aid in classroom, and the demonstration device has a good promoting effect on improving the intuitive understanding of the track of the horizontal projectile motion of the students.

Drawings

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

fig. 2 is a schematic side view of the cross-sectional structure of the present invention;

fig. 3 is an enlarged structural diagram of a region a in fig. 2.

In the figure: the smart phone comprises a base 1, a through hole 2, a screw rod 3, a nut 4, a fixing plate 5, a transparent capacitive screen 6, a PVC transparent plate 7, a clamping groove 8, an accelerating guide rail 9, a parallel guide rail 10, a metal ball 11, a cylinder body 12, a spring 13, a limiting plate 14, a linkage rod 15, a clamping plate 16, a limiting block 17, a gravity ball 18, a horizontal bubble 19, a fixing device 20, a rubber pad 21, a baffle 22 and a smart phone body 23.

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 3, the present invention provides a technical solution: the utility model provides a flat throw movement track presentation device based on smart mobile phone, includes base 1 and smart mobile phone body 23, through-hole 2 has all been seted up at the both ends of base 1, the inside activity of through-hole 2 is pegged graft and is had screw rod 3, threaded connection has nut 4 on the screw rod 3, and this nut 4 is located base 1's downside, and rotation nut 4 is convenient for adjust base 1's level, lower extreme fixed connection in the top of fixed plate 5 of screw rod 3, install transparent capacitive screen 6 and PVC transparent plate 7 on the base 1, install between transparent capacitive screen 6 and the PVC transparent plate 7 with higher speed guide 9 and parallel guide 10, swing joint has metal ball 11 on guide 9 with higher speed and the parallel guide 10, draw-in groove 8 that is used for placing smart mobile phone body 23 is seted up at the middle part of PVC transparent plate 7, be equipped with fixing device 20 in the draw-in groove 8.

Specifically, fixing device 20 includes cylinder body 12, the internally mounted of cylinder body 12 has spring 13, the top fixedly connected with limiting plate 14 of spring 13, the top fixedly connected with gangbar 15 of limiting plate 14, the upper end fixedly connected with splint 16 of gangbar 15, stopper 17 is all installed at the top of splint 16 and draw-in groove 8. The spring 13 in the cylinder body 12 extrudes the clamping plate 16, so that the smart phone body 23 is favorably fixed in the clamping groove 8.

Specifically, a gravity ball 18 and a horizontal bubble 19 are respectively arranged on one side of the PVC transparent plate 7. The gravity ball 18 and the horizontal bubble 19 are beneficial to adjusting the level and the verticality of the transparent capacitive screen 6 and the PVC transparent plate 7, and ensure the flat throwing motion of the metal ball 11.

Specifically, the widths of the accelerating guide rail 9 and the parallel guide rail 10 are larger than the diameter of the metal ball 11 by 0.8mm-1 mm. The metal ball 11 can be ensured not to touch the display screens of the transparent capacitive screen 6 and the smart phone body 23.

Specifically, the bottom of the fixed plate 5 is provided with a rubber pad 21, and the bottom of the rubber pad 21 is provided with anti-skid lines. The rubber pad 21 is beneficial to improving the friction force between the fixing plate 5 and the desktop and improving the stability.

Specifically, a baffle 22 is installed on the top of the base 1, and the baffle 22 is located between the transparent capacitive screen 6 and the PVC transparent plate 7. The baffle 22 is beneficial to prevent the metal ball 11 from falling out of the table.

The working principle is as follows: during operation, the smart phone body 23 is adjusted to a drawing software interface, the smart phone body 23 is placed in the clamping groove 8, the spring 13 in the cylinder body 12 extrudes the clamping plate 16, the smart phone body 23 is fixed in the clamping groove 8, then the nut 4 is rotated to facilitate adjustment of the level of the base 1 with reference to the gravity ball 18 and the horizontal bubble 19, the metal ball 11 is placed on the acceleration guide rail 9 and runs downwards along the acceleration guide rail 9 and the parallel guide rail 10 to perform flat throw motion, the motion track is displayed on the drawing software interface of the smart phone body 23, the motion track of the small ball can be synchronously displayed without contacting the mobile phone, and the smart phone has the advantages of one-time imaging, simple principle and obvious phenomenon.

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 flat throw movement track presentation device based on smart mobile phone, includes base (1) and smart mobile phone body (23), its characterized in that: through-hole (2) have all been seted up at the both ends of base (1), the inside activity of through-hole (2) is pegged graft and is had screw rod (3), threaded connection has nut (4) on screw rod (3), the lower extreme fixed connection of screw rod (3) is in the top of fixed plate (5), install transparent capacitive screen (6) and PVC transparent plate (7) on base (1), install between transparent capacitive screen (6) and PVC transparent plate (7) and accelerate guide rail (9) and parallel guide rail (10), swing joint has metal ball (11) on accelerating guide rail (9) and parallel guide rail (10), draw-in groove (8) that are used for placing smart mobile phone body (23) are seted up at the middle part of PVC transparent plate (7), be equipped with fixing device (20) in draw-in groove (8).

2. The flat throw motion trail demonstration device based on the smart phone according to claim 1, characterized in that: fixing device (20) includes cylinder body (12), the internally mounted of cylinder body (12) has spring (13), the top fixedly connected with limiting plate (14) of spring (13), the top fixedly connected with gangbar (15) of limiting plate (14), the upper end fixedly connected with splint (16) of gangbar (15), stopper (17) are all installed at the top of splint (16) and draw-in groove (8).

3. The flat throw motion trail demonstration device based on the smart phone according to claim 1, characterized in that: and one side of the PVC transparent plate (7) is respectively provided with a gravity ball (18) and a horizontal bubble (19).

4. The flat throw motion trail demonstration device based on the smart phone according to claim 1, characterized in that: the widths of the accelerating guide rail (9) and the parallel guide rail (10) are larger than the diameter of the metal ball (11) by 0.8mm-1 mm.

5. The flat throw motion trail demonstration device based on the smart phone according to claim 1, characterized in that: the bottom of the fixed plate (5) is provided with a rubber pad (21), and the bottom of the rubber pad (21) is provided with anti-skid grains.

6. The flat throw motion trail demonstration device based on the smart phone according to claim 1, characterized in that: a baffle (22) is installed at the top of the base (1), and the baffle (22) is located between the transparent capacitive screen (6) and the PVC transparent plate (7).