CN215220064U

CN215220064U - Four-season formation student experiment exploration teaching aid

Info

Publication number: CN215220064U
Application number: CN202120611734.9U
Authority: CN
Inventors: 车韶华
Original assignee: Qufu School Of Weihai Economic And Technological Development Zone
Current assignee: Qufu School Of Weihai Economic And Technological Development Zone
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-12-17
Anticipated expiration: 2031-03-26

Abstract

The utility model relates to a four seasons forming student experiment exploring teaching aid, which comprises a driving cavity, a driving component connected with the driving cavity is arranged in the driving cavity, the driving component is connected with a direction guiding component arranged on the driving cavity, a first measuring component connected with the direction guiding component and connected with the driving component is arranged on the direction guiding component, one side of the first measuring component is provided with a second measuring component matched with the first measuring component and connected with the driving component, the D point on a direction disk is consistent with the north direction pointed by a compass on the exploring teaching aid, a light source component is lightened, the driving component is started, the second measuring component is measured by the first measuring component and a record is made, the correct rate of student experiment is greatly improved, the student operation is convenient, the rotation of a globe is not influenced, and a clear point is also determined for the student to find the north pole star, is obviously better than the experiments in textbooks.

Description

Four-season formation student experiment exploration teaching aid

Technical Field

The utility model relates to a teaching field specifically is a teaching aid is explored in formation student's experiment of four seasons.

Background

The formation of the four seasons is one of important teaching contents in primary school science, and students are helped to know the reason of the formation of the four seasons through experimental demonstration. In the four-season formation experiment in the textbook, the operation difficulty of students is high, correct methods are not easy to master, the accuracy of experimental data is low, and the change reasons of four seasons are difficult to find. Moreover, the arc-shaped support of the globe has great influence on the experiment, after a bamboo stick is inserted into the globe, the globe can be clamped when being rotated, and meanwhile, students do not know how to find the position of the Polaris.

In the course of the four seasons, a lamp is placed in the middle of four globes as the sun, A, B, C, D four directions are determined on the revolution orbit of the sun, the earth axis is adjusted to incline and point to the north, a marker post is erected at the same place of the northern hemisphere, and the length of the shadow of the marker post on the globe is observed by the marker post facing the sun.

Teachers and students participate in a classroom together to complete an experiment, but if a plurality of students participate in the experiment, the participation degree of the students becomes a problem, the treatment is not good, and a plurality of students only can become visitors.

Secondly, during the experiment, due to the limitation of classroom field, no matter demonstration experiment or grouping experiment, the determined revolution orbit is irregular, so that the errors of the distances from four positions of the globe A, B, C, D to the sun are large, and the difficulty is caused for accurately measuring the length of the rod shadow at the back.

Four points are placed with four globes, a marker post is erected at the same place of the northern hemisphere, the place, the length and the verticality of the upright marker post can not be completely consistent, students can not cause errors by people, simultaneously, the objective reality is not met, most rulers for students are transparent, the initial data of the rulers are not at the forefront end, shadows of the upright posts fall on the globes and are also arc-shaped, and the data are inaccurate when the students measure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a teaching aid is explored in formation student's experiment of four seasons to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a teaching aid is probed in formation student's experiment of four seasons, teaching aid is probed in formation student's experiment of four seasons includes the drive chamber, be provided with the drive assembly who is connected with it in the drive chamber, drive assembly connects in the setting direction guide assembly on the drive chamber, be provided with on the direction guide assembly with it and be connected with and connect in drive assembly's first measuring component, one side of first measuring component be provided with it and cooperate and be connected with drive assembly's second measuring component, first measuring component with be provided with the support table between the second measuring component, support the light source subassembly that is provided with it and is connected.

As a further aspect of the present invention: the direction guide subassembly include fixed connection in the steering wheel in drive chamber, the steering wheel is the square, and has marked spring minute, summer to, fall minute, winter to four marks respectively on every limit, and has still marked four direction trend arrows, the opening has been seted up at the steering wheel center, the support table is in the opening, still be provided with fixed connection's compass with it on the steering wheel.

As a further aspect of the present invention: first measuring component including rotate connect in rolling disc on the steering wheel, seted up one on the rolling disc and run through the second spout of steering wheel, just steering wheel still fixed connection in drive assembly still is including being used for measuring the card paper chi of second measuring component, the card paper chi is soft.

As a further aspect of the present invention: the second measuring component includes that two are erect and are inserted two and fixed connection of second spout in drive assembly's pivot, the pivot outside still is provided with rotates with it and connects and sliding connection the base of rolling disc, the pivot is kept away from drive assembly's one end is provided with fixed connection's slope globe with it and closes perpendicular globe, the slope globe is the slope setting, the pivot of slope globe passes through universal coupling and connects the slope axle of slope globe, the pivot outside of slope globe still be provided with the pivot rotate connect and fixed connection in the direction mark of base, just slope globe and perpendicular globe outside all are provided with fixed connection's pointer with it.

As a further aspect of the present invention: the light source assembly comprises a sliding rod which is connected with the supporting table in a sliding mode, and a candle fixedly connected with the sliding rod is arranged on the sliding rod.

As a further aspect of the present invention: the driving assembly comprises a first sliding groove arranged at the bottom of the driving cavity and a double-sided toothed ring sliding in the first sliding groove, a first gear and a fourth gear which are meshed with the double-sided toothed ring and are in rotating connection with the driving cavity are arranged in the double-sided toothed ring, a second gear which is meshed with the first gear and is in rotating connection with the driving cavity is arranged on one side of the first gear, and the second gear is fixedly connected with a rotating shaft of the inclined globe;

a fourth gear which is meshed with the fourth gear and is connected with the driving cavity in a rotating mode is arranged on one side of the fourth gear, and the fourth gear is fixedly connected with a rotating shaft perpendicular to the globe;

the double-sided toothed ring is characterized in that a fifth gear which is meshed with the double-sided toothed ring and is in rotating connection with the driving cavity is arranged at the outer teeth of the double-sided toothed ring, a worm wheel which is fixedly connected with the fifth gear is arranged on one side of the fifth gear, a worm which is meshed with the worm and is in rotating connection with the driving cavity is arranged on one side of the worm wheel, which is far away from the double-sided toothed ring, and one end of the worm penetrates through the driving cavity and is fixedly connected with the handle.

Compared with the prior art, the beneficial effects of the utility model are that: the point D on the azimuth disc is kept consistent with the north pointed by the compass on the exploration instrument, the light source component is lightened, the driving component is started, the second measuring component is measured through the first measuring component, the record is made, the accuracy of the student experiment is greatly improved, the student operation is convenient, the rotation of the globe is not influenced, meanwhile, the student can find the definite point under the north polar star, and the experiment in the textbook is obviously better.

Drawings

Fig. 1 is a schematic diagram of a research teaching aid structure for students in four seasons.

Fig. 2 is a schematic structural diagram of a paper jam ruler in a four-season student experiment exploration teaching aid.

Fig. 3 is a schematic structural diagram of a driving assembly in a four-season student experiment research teaching aid.

Fig. 4 is a schematic structural diagram of a driving cavity in a four-season student experiment research teaching aid.

Fig. 5 is a schematic structural diagram of a support table in a four-season student experiment research teaching aid.

In the figure: 1-driving cavity, 2-steering wheel, 3-rotating disc, 4-inclined globe, 5-candle, 6-vertical globe, 7-sliding rod, 8-rotating shaft, 9-compass, 10-cardboard ruler, 11-double-sided toothed ring, 12-first gear, 13-second gear, 14-third gear, 15-fourth gear, 16-fifth gear, 17-worm gear, 18-worm, 19-handle, 20-first chute, 21-direction mark, 22-second chute and 23-supporting table.

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.

In addition, an element of the present invention may be said to be "secured to" or "disposed on" another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Please refer to fig. 1-3, in the embodiment of the present invention, a four seasons formation student experiment exploration teaching aid, the four seasons formation student experiment exploration teaching aid includes drive chamber 1, be provided with the drive assembly who is connected with it in the drive chamber 1, drive assembly connects in the setting direction guide assembly on the drive chamber 1, be provided with on the direction guide assembly and be connected with it and be connected with drive assembly's first measuring component, one side of first measuring component be provided with it and cooperate and be connected with drive assembly's second measuring component, first measuring component with be provided with support table 23 between the second measuring component, be provided with the light source subassembly of being connected with it on the support table 23.

The embodiment of the utility model provides an in, the D point on the abduction dish keeps unanimous with the north that the compass on exploring the teaching aid indicates, lights the light source subassembly, starts drive assembly, measures the second through first test assembly and measures the subassembly and do the record, has improved the rate of accuracy of student's experiment greatly, student convenient operation, the globe rotates no longer influenced, also finds the definite point under the north star for the student simultaneously, obviously is better than the experiment in the textbook.

The utility model discloses in another embodiment, the direction guide subassembly include fixed connection in drive chamber 1's steering wheel 2, steering wheel 2 is the square, and has marked spring minute, summer to, fall minute, winter to four marks respectively on every limit, and has still marked four directions and move towards the arrow point, the opening has been seted up at steering wheel 2 center, support table 23 is in the opening, still be provided with fixed connection's compass 9 with it on steering wheel 2.

In the embodiment of the utility model, the positions of the four points are marked with A (spring equinox), B (summer solstice), C (autumn equinox), D (winter solstice) and four arrows in the counterclockwise direction, the arrows indicate the moving direction of the first measuring component,

in another embodiment of the present invention, the first measuring component includes a rotating disc 3 rotatably connected to the steering wheel 2, a second sliding slot 20 penetrating through the steering wheel 2 is disposed on the rotating disc 3, the steering wheel 2 is further fixedly connected to the driving component, and the second measuring component includes a paper clamping ruler 10 for measuring, and the paper clamping ruler 10 is flexible.

The embodiment of the utility model provides an in, drive steering wheel 2 when drive assembly work and rotate to the first measuring component simulation week of simulation rotates, and, accessible card paper chi 10 is measured the second measuring component.

In another embodiment of the present invention, the second measuring assembly includes two vertical insertion portions inserted into the second sliding grooves 22 and fixedly connected to the rotating shaft 8 of the driving assembly, the outer side of the rotating shaft 8 is further provided with a rotating connection and a sliding connection with the rotating shaft, the base of the rotating disc 3, the rotating shaft 8 is far away from the one end of the driving assembly is provided with an inclined globe 4 and a vertical globe 6 fixedly connected with the driving assembly, the inclined globe 4 is inclined, the rotating shaft 8 of the inclined globe 4 is connected with an inclined shaft of the inclined globe 4 through a universal coupling, the outer side of the rotating shaft 8 of the inclined globe 4 is further provided with a direction indicator rotatably connected and fixedly connected to the base, and the outer sides of the inclined globe 4 and the vertical globe 6 are provided with a pointer fixedly connected with the rotating shaft 8.

In the embodiment of the utility model, when the driving component works, the two rotating shafts 8 are driven to rotate, when the rotating shaft 8 positioned in the vertical globe 6 rotates, when the other rotating shaft 8 rotates, the universal coupling drives the inclined globe 4 to rotate, when the inclined globe 4 and the vertical globe 6 rotate, the pointer is driven to rotate along the circumference of the body, and at the moment, the paper clamping ruler 10 is inserted into the pointer and horizontally placed;

the sun is high, the sunlight is direct, the heat is concentrated, the temperature is high, the shadow of an object under the sunlight is short, and the summer is; on the contrary, the sun is small in height, the sunlight is obliquely reflected, the heat is dispersed, the air temperature is low, the shadow of an object under the sunlight is long, and the method is used in winter; similarly, the change of the sun's altitude also affects the length of day and night and the altitude of temperature, forming four seasons.

The sun height of the earth is different from that of each season every day and every year in the same place in one year, and the sun height is the highest in summer solstice, so that the shadow is the shortest, the sun height is the lowest in winter solstice, the sun altitude angle is the smallest, the shadow is the longest, the sun heights are moderate in autumn and spring, the sun altitude angle is moderate, and the shadow is moderate.

In a further embodiment of the present invention, the light source assembly comprises a sliding rod 7 slidably connected to the supporting table 23, and the sliding rod 7 is provided with a candle 5 fixedly connected thereto.

In the embodiment of the utility model, the height of the slide bar 7 can be adjusted vertically, and the candle 5 simulates sunlight.

In another embodiment of the present invention, the driving assembly includes a first sliding chute 20 disposed at the bottom of the driving cavity 1 and a double-sided toothed ring 11 sliding in the first sliding chute 20, the double-sided toothed ring 11 is internally toothed with a first gear 12 and a fourth gear 15 engaged with and rotatably connected to the driving cavity 1, one side of the first gear 12 is provided with a second gear 13 engaged with and rotatably connected to the driving cavity 1, and the second gear 13 is fixedly connected to the rotating shaft 8 of the inclined globe 4;

a fourth gear 15 which is meshed with the fourth gear 15 and is rotatably connected with the driving cavity 1 is arranged on one side of the fourth gear 15, and the fourth gear 15 is fixedly connected with a rotating shaft 8 of the vertical globe 6;

the outer teeth of the double-sided toothed ring 11 are provided with a fifth gear 16 which is meshed with the outer teeth of the double-sided toothed ring and is in rotating connection with the driving cavity 1, one side of the fifth gear 16 is provided with a worm wheel 17 which is fixedly connected with the fifth gear, one side of the worm wheel 17, which is far away from the double-sided toothed ring 11, is provided with a worm 18 which is meshed with the worm wheel and is in rotating connection with the driving cavity 1, and one end of the worm 18 penetrates through the driving cavity 1 and is fixedly connected with a handle 19.

In the embodiment of the utility model, drive worm 18 and rotate when rotating handle 19, drive worm wheel 17 and rotate when worm 18 rotates, drive fifth gear 16 and rotate when worm wheel 17 rotates, drive two-sided ring gear 11 and rotate when fifth gear 16 rotates, drive first gear 12 and third gear 14 and rotate when two-sided ring gear 11 rotates, drive second gear 13 and rotate when first gear 12 rotates, drive fourth gear 15 and rotate when third gear 14 rotates, drive two pivot 8 and rotate when third gear 14 and second gear 13 rotate.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a teaching aid is probed in formation student's experiment of four seasons, a serial communication port, teaching aid is probed in formation student's experiment of four seasons includes drive chamber (1), be provided with the drive assembly who is connected with it in drive chamber (1), drive assembly connects in the setting direction guide assembly on drive chamber (1), be provided with on the direction guide assembly with it and be connected with drive assembly's first measuring unit, one side of first measuring unit be provided with it the cooperation and be connected with drive assembly's second measuring unit, first measuring unit with be provided with between the second measuring unit and support table (23), be provided with the light source subassembly of being connected with it on support table (23).

2. The four seasons forming student experiment exploration teaching aid of claim 1, characterized in that, direction guide subassembly include fixed connection in steering wheel (2) of drive chamber (1), steering wheel (2) are the square, and each limit has marked spring minute, summer to, autumn, winter to four marks respectively, and has still marked four direction trend arrows, the opening has been seted up at steering wheel (2) center, support table (23) are in the opening, still be provided with compass (9) with it fixed connection on steering wheel (2).

3. The four seasons forming student experiment exploration teaching aid according to claim 2, wherein said first measuring component comprises a rotating disc (3) rotatably connected to said steering wheel (2), said rotating disc (3) is provided with a second sliding groove (22) penetrating said steering wheel (2), and said steering wheel (2) is further fixedly connected to said driving component, and further comprises a paper jam ruler (10) for measuring said second measuring component, said paper jam ruler (10) is flexible.

4. The four-season student experiment exploration teaching aid according to claim 3, wherein the second measuring component comprises two rotating shafts (8) vertically inserted into the second sliding grooves (22) and fixedly connected to the driving component, a base rotatably connected with the rotating shafts (8) and slidably connected with the rotating discs (3) is further arranged on the outer sides of the rotating shafts (8), an inclined globe (4) and a vertical globe (6) fixedly connected with the rotating shafts (8) are arranged on one end of the rotating shafts (8) far away from the driving component, the inclined globe (4) is arranged in an inclined manner, the rotating shafts (8) of the inclined globe (4) are connected with an inclined shaft of the inclined globe (4) through universal couplings, a direction indicator rotatably connected with the rotating shafts (8) and fixedly connected with the base is further arranged on the outer sides of the rotating shafts (8) of the inclined globe (4), and pointers fixedly connected with the inclined globe (4) and the vertical globe (6) are arranged on the outer sides of the two globes.

5. A four season formative student experiment exploration teaching aid according to claim 1, wherein the light source assembly comprises a sliding rod (7) slidably connected to the support table (23), the sliding rod (7) being provided with a candle (5) fixedly connected thereto.

6. The four-season formation student experiment exploration teaching aid according to claim 4, wherein the driving assembly comprises a first sliding groove (20) arranged at the bottom of the driving cavity (1) and a double-sided toothed ring (11) sliding in the first sliding groove (20), a first gear (12) and a fourth gear (15) which are meshed with the first sliding groove and rotatably connected with the driving cavity (1) are arranged in the double-sided toothed ring (11), a second gear (13) which is meshed with the first gear and rotatably connected with the driving cavity (1) is arranged on one side of the first gear (12), and the second gear (13) is fixedly connected with a rotating shaft (8) of the inclined globe (4);

a fourth gear (15) which is meshed with the fourth gear and is rotatably connected with the driving cavity (1) is arranged on one side of the fourth gear (15), and the fourth gear (15) is fixedly connected with a rotating shaft (8) of the vertical globe (6);

two-sided ring gear (11) external tooth is provided with and is connected with it meshing and rotation the fifth gear (16) of drive chamber (1), one side of fifth gear (16) is provided with fixed connection's worm wheel (17) with it, worm wheel (17) are kept away from one side of two-sided ring gear (11) is provided with and meshes and rotation connection with it worm (18) of drive chamber (1), the one end of worm (18) is run through drive chamber (1) fixed connection in handle (19).