CN207097300U

CN207097300U - One kind is flat to throw teaching demonstration device

Info

Publication number: CN207097300U
Application number: CN201720664176.6U
Authority: CN
Inventors: 庄仁山
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-06-09
Filing date: 2017-06-09
Publication date: 2018-03-13
Anticipated expiration: 2027-06-09

Abstract

The utility model discloses the flat throwing teaching demonstration device of one kind, including box body, the bottom of the box body inner chamber, which is from left to right fixedly connected sequentially, the second electric expansion bar, battery and the first electric expansion bar, the top of first electric expansion bar and the second electric expansion bar is connected with first support bar and second support bar by the first active section and the second active section respectively, and the top of first support bar and second support bar is fixedly connected with flat throwing plate, the flat right-hand member for throwing plate bottom is fixedly connected with obliquity sensor.The utility model has been respectively fixedly connected with first support bar and second support bar at the flat both ends for throwing plate bottom, and pass through the effect of the first active section and the first electric expansion bar and the second active section and the second electric expansion bar, people can be met to the flat regulatory demand for throwing plate angle of inclination, obliquity sensor can be shown tilt data by display at the moment simultaneously, ensure the accuracy of flat throwing plate angle of inclination regulation.

Description

One kind is flat to throw teaching demonstration device

Technical field

Teaching aid technical field is the utility model is related to, is specially a kind of flat throwing teaching demonstration device.

Background technology

Physics is the research motion of matter most typically subject of rule and material basic structure, as taking the lead for natural science Subject, physics research is greatly to universe, the as low as most basic forms of motion of all materials such as elementary particle and rule, therefore turn into The Research foundation of other each natural branch of sciences, its theoretical construct make full use of working language of the mathematics as oneself, with Test as the sole criterion for examining theoretical correctness, it is a current most accurate natural science subject, is taught in physics In, flat throwing is the very important physical content of a section, when carrying out flat throwing teaching, generally requires to carry out certain experiment Journey, but existing flat teaching demonstration device of throwing can not accurately adjust the flat angle of inclination for throwing plate, cause experimental data undesirable, A kind of therefore, it is proposed that flat throwing teaching demonstration device.

Utility model content

The purpose of this utility model is to provide a kind of flat throwing teaching demonstration device possess the flat throwing plate inclination angle of accurate adjustment The advantages of spending, the flat angle of inclination for throwing plate can not accurately be adjusted by solving existing flat teaching demonstration device of throwing, and cause to test The problem of data are undesirable.

To achieve the above object, the utility model provides following technical scheme：One kind is flat to throw teaching demonstration device, including box Body, be from left to right fixedly connected sequentially the second electric expansion bar, battery and first of the bottom of the box body inner chamber electronic are stretched Contracting bar, the top of first electric expansion bar and the second electric expansion bar are lived by the first active section and the second active section respectively It is dynamic to be connected with first support bar and second support bar, and the top of first support bar and second support bar is fixedly connected with flat throwing Plate, the flat right-hand member for throwing plate bottom are fixedly connected with obliquity sensor, and the rear end at the top of the box body passes through hinge activity even Cover plate is connected to, the outer surface of the box body, which is from left to right fixedly connected sequentially, display, controller and handle, the controller Outer surface be from left to right fixedly connected sequentially and have the first telescopic adjustment knob, the second telescopic adjustment knob and master switch, it is described The right side of box body is connected with portable plate by hinge, the right side of the box body and passes through positioned at the outside of portable plate and fastens rotation Button is connected with baffle plate.

Preferably, the outer surface of the cover plate and box body is movably installed with buckle.

Preferably, the right-hand member of the cartridge outer surface and the outer surface of portable plate are equipped with observation window.

Preferably, the bottom of the portable plate inner surface is provided with foam protective layer.

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

1st, the utility model has been respectively fixedly connected with first support bar and second support bar at the flat both ends for throwing plate bottom, and By the effect of the first active section and the first electric expansion bar and the second active section and the second electric expansion bar, people can be met To the flat regulatory demand for throwing plate angle of inclination, while obliquity sensor can be shown tilt data by display at the moment, The accuracy of flat throwing plate angle of inclination regulation is ensured.

2nd, the utility model has been flexibly connected portable plate on the right side of box body by hinge, and passes through tightening knob and baffle plate Effect, folding and unfolding demand of the people to portable plate can be met, brought great convenience for flat parabolic experimental.

Brief description of the drawings

Fig. 1 is the utility model structure diagram；

Fig. 2 is the utility model main structure diagram；

Fig. 3 is the utility model controller architecture schematic diagram；

Fig. 4 is utility model works principle schematic.

In figure：It is 1 box body, 2 obliquity sensors, 3 first active sections, 4 first electric expansion bars, 5 batteries, 6 second electronic Expansion link, 7 second support bars, 8 second active sections, 9 it is flat throw plates, 10 first support bars, 11 cover plates, 12 observation windows, 13 portable plates, It is 14 foam protective layers, 15 displays, 16 controllers, 161 first telescopic adjustment knobs, 162 second telescopic adjustment knobs, 163 total Switch, 17 buckles, 18 handles, 19 baffle plates, 20 tightening knobs.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.

Refer to Fig. 1-4, one kind is flat to throw teaching demonstration device, including box body 1, the bottom of the inner chamber of box body 1 from left to right according to It is secondary to be fixedly connected with the second electric expansion bar 6, the electric expansion bar 4 of battery 5 and first, the first electric expansion bar 4 and the second electricity The top of dynamic expansion link 6 is connected with first support bar 10 and second by the first active section 3 and the second active section 8 respectively Strut 7, regulatory demand of the people to flat throwing plate 9 angle of inclination, and the top of first support bar 10 and second support bar 7 can be met Flat throwing plate 9 is fixedly connected with, the flat right-hand member for throwing the bottom of plate 9 is fixedly connected with obliquity sensor 2, the moment can passed through tilt data Display 15 is shown, has ensured the accuracy of flat throwing plate 9 angle of inclination regulation, and the rear end at the top of box body 1 is lived by hinge Dynamic to be connected with cover plate 11, the outer surface of cover plate 11 and box body 1 is movably installed with buckle 17, the outer surface of box body 1 from left to right according to Secondary to be fixedly connected with display 15, controller 16 and handle 18, the outer surface of controller 16 is from left to right fixedly connected sequentially and had First telescopic adjustment knob 161, the second telescopic adjustment knob 162 and master switch 163, the right side of box body 1 are connected by hinge activity It is connected to portable plate 13, the right-hand member of the outer surface of box body 1 and the outer surface of portable plate 13 are equipped with observation window 12, table in portable plate 13 The bottom in face is provided with foam protective layer 14, can play a part of buffering, the right side of box body 1 and passes through positioned at the outside of portable plate 13 Tightening knob 20 is connected with baffle plate 19, can meet folding and unfolding demand of the people to portable plate 13, is brought greatly for flat parabolic experimental Facility.

In use, first support bar 10 and second support bar 7 have been respectively fixedly connected with the flat both ends for throwing the bottom of plate 9, and By the effect of the first active section 3 and the first electric expansion bar 4 and the second active section 8 and the second electric expansion bar 6, can meet People are to the flat regulatory demand for throwing the angle of inclination of plate 9, while obliquity sensor 2 moment can be shown tilt data by display 15 Show to come, ensured the accuracy of flat throwing plate 9 angle of inclination regulation, activity has been flexibly connected by hinge on the right side of box body 1 Plate 13, and by the effect of tightening knob 20 and baffle plate 19, folding and unfolding demand of the people to portable plate 13 can be met, be flat parabolic experimental Bring great convenience.

In summary：The flat throwing teaching demonstration device, the first support has been respectively fixedly connected with the flat both ends for throwing the bottom of plate 9 Bar 10 and second support bar 7, and pass through the first active section 3, the first electric expansion bar 4, the second active section 8 and the second electric expansion The effect of bar 6 and obliquity sensor 2 and display 15, solving existing flat throwing teaching demonstration device can not accurately be adjusted The flat angle of inclination for throwing plate, the problem of causing experimental data undesirable.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims

1. one kind is flat to throw teaching demonstration device, including box body（1）, it is characterised in that：The box body（1）The bottom of inner chamber from a left side to The right side, which is fixedly connected sequentially, the second electric expansion bar（6）, battery（5）With the first electric expansion bar（4）, described first electronic stretches Contracting bar（4）With the second electric expansion bar（6）Top pass through the first active section respectively（3）With the second active section（8）It is flexibly connected There is first support bar（10）And second support bar（7）, and first support bar（10）And second support bar（7）Top be fixedly connected There is flat throwing plate（9）, the flat throwing plate（9）The right-hand member of bottom is fixedly connected with obliquity sensor（2）, the box body（1）Top Rear end is connected with cover plate by hinge（11）, the box body（1）Outer surface be from left to right fixedly connected sequentially and have display Device（15）, controller（16）And handle（18）, the controller（16）Outer surface be from left to right fixedly connected sequentially and have first Telescopic adjustment knob（161）, the second telescopic adjustment knob（162）And master switch（163）, the box body（1）Right side pass through conjunction Page is connected with portable plate（13）, the box body（1）Right side and be located at portable plate（13）Outside pass through tightening knob （20）It is connected with baffle plate（19）.

A kind of 2. flat throwing teaching demonstration device according to claim 1, it is characterised in that：The cover plate（11）And box body （1）Outer surface be movably installed with buckle（17）.

A kind of 3. flat throwing teaching demonstration device according to claim 1, it is characterised in that：The box body（1）Outer surface Right-hand member and portable plate（13）Outer surface be equipped with observation window（12）.

A kind of 4. flat throwing teaching demonstration device according to claim 1, it is characterised in that：The portable plate（13）Inner surface Bottom be provided with foam protective layer（14）.