CN212912094U - Be applied to experimental apparatus of STEM teaching - Google Patents

Abstract

The utility model discloses an experimental apparatus for be applied to STEM teaching, including box and rotation axis, fixed surface installs the braces behind the box, fixed surface installs the handle on the box, fixed surface installs vice chi under the rotation axis, fixed surface installs the main scale under the rotation axis, fixed surface installs the magnetic stripe under the main scale, fixed surface installs the braces behind the box, the inside triangle plate groove of having seted up of box, the inside triangle plate groove one side that is located of box has seted up the protractor groove, the inside upper end that is close to of box has seted up vice chi groove, the inside triangle plate groove one side of keeping away from of box has seted up the main scale groove, the inside rotation axis groove of having seted up that is located protractor groove top of box. Be applied to experimental apparatus of STEM teaching, can avoid carrying many instruments, still portable can make the teaching quality improve, let the teacher relax more, let student observe more directly perceived.

Description

Be applied to experimental apparatus of STEM teaching

Technical Field

The utility model relates to an experimental apparatus field, in particular to be applied to experimental apparatus of STEM teaching.

Background

STEM is an abbreviation of english initials of science, technology, engineering and mathematics four subjects, wherein the science lies in recognizing the world and explaining the objective law of the nature, the technology and engineering are to reform the world, realize harmony and coexistence with the nature and solve the problems encountered in the social development process on the basis of respecting the natural law, and the mathematics is used as a basic tool of the technology and engineering subjects; there is certain drawback in current experimental apparatus when using, and traditional teaching is because the course needs, need take many instruments, and not only heavy but also inconvenient carrying, and secondly, the teacher need take the instrument when using, and the drawing simultaneously, and is very troublesome, leads to the teaching quality to descend, for this reason, we propose an experimental apparatus who is applied to the STEM teaching.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a be applied to the experimental apparatus of STEM teaching, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an experimental apparatus for be applied to STEM teaching, includes box and rotation axis, fixed surface installs the braces behind the box, fixed surface installs the handle on the box, fixed surface installs vice chi on the rotation axis, fixed surface installs the main scale under the rotation axis, fixed surface installs the magnetic stripe under the main scale.

Preferably, the fixed surface installs the braces behind the box, the triangle board groove has been seted up to box inside, the inside angle meter groove has been seted up to the triangle board groove one side that is located of box, the inside auxiliary scale groove of having seted up near the upper end of box, the inside main scale groove of having seted up to the triangle board groove one side of keeping away from of box, the inside rotation axis groove of having seted up that is located angle meter groove top that is located of box.

Preferably, the upper surface of the strap is fixedly provided with an iron ring, the lower end point of the strap is fixedly provided with a plug, the upper end point of the strap is fixedly provided with a socket, the strap is fixedly arranged at the symmetrical position of the rear surface of the box body, and the length of the strap can be adjusted by the iron ring.

Preferably, the inside movable mounting of rotation axis has the fixed axle, the vice chi surface of rotation axis surface is equipped with vice chi scale, rotation axis surface main scale surface is equipped with the main scale, fixed surface installs the handle on the main scale, the mounting hole has been seted up to the main scale front surface, the rotation axis surface is located main scale lower extreme fixed mounting and has the compasses support, fixed surface installs the pointer before the compasses support, the pointer can be dismantled.

Preferably, the rotating shaft and the fixed shaft are internally and fixedly provided with limiting blocks, the rotating shaft has two parts, the main ruler rotates for a certain angle through the rotating shaft, the auxiliary ruler and the compass support, and the main ruler and the compass support can be combined to form the compass.

Preferably, the equal fixed mounting of main scale and vice chi lower surface has the magnetic stripe, the main scale is the same with vice chi size, the magnetic stripe passes through the super glue and is connected with main scale and vice chi surface contact.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through the rotation axis and the box that set up, main scale, vice chi and compasses support can be connected to the rotation axis, through rotatory angle regulation, can also regard as the compasses to use to can avoid carrying many instruments, still portable, through the magnetic stripe that sets up, the magnetic stripe can adsorb on the blackboard when the teacher blackboard is charted, avoided the teacher to hold always, thereby can make the teaching quality improve, let the teacher relax more, let the student observe more directly perceived.

Drawings

Fig. 1 is a schematic structural diagram of a box body of an experimental appliance applied to STEM teaching of the present invention;

FIG. 2 is a rear view of the box body of the experimental tool for STEM teaching of the present invention;

fig. 3 is a schematic structural view of a main scale and an auxiliary scale of an experimental tool applied to STEM teaching of the present invention;

FIG. 4 is a schematic structural view of a main scale and a compass support of an experimental device for STEM teaching according to the present invention;

fig. 5 is the utility model relates to a be applied to main scale side view of experimental apparatus of STEM teaching.

In the figure: 1. a box body; 101. a triangular plate groove; 102. an auxiliary scale groove; 103. a main scale groove; 104. a protractor slot; 105. a rotation shaft groove; 2. a handle; 3. a harness; 301. an iron ring; 302. a plug; 303. a socket; 4. a main scale; 401. the main scale is graduated; 402. a grip; 403. a pointer; 404. mounting holes; 405. a compasses support; 5. a secondary ruler; 501. the auxiliary scale is graduated; 6. a rotating shaft; 601. a fixed shaft; 7. a magnetic strip.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 5, an experimental device applied to STEM teaching comprises a box body 1 and a rotating shaft 6, wherein a back strap 3 is fixedly installed on the rear surface of the box body 1, a handle 2 is fixedly installed on the upper surface of the box body 1, an auxiliary ruler 5 is fixedly installed on the surface of the rotating shaft 6, a main ruler 4 is fixedly installed on the lower surface of the rotating shaft 6, and a magnetic stripe 7 is fixedly installed on the lower surface of the main ruler 4;

the back surface of the box body 1 is fixedly provided with a strap 3, a triangular plate groove 101 is formed in the box body 1, a protractor groove 104 is formed in one side, located at the triangular plate groove 101, of the interior of the box body 1, an auxiliary ruler groove 102 is formed in the interior of the box body 1, close to the upper end of the interior of the box body 1, a main ruler groove 103 is formed in one side, located away from the triangular plate groove 101, of the interior of the box body 1, and a rotating shaft groove 105 is formed in the; an iron ring 301 is fixedly arranged on the upper surface of the back strap 3, a plug 302 is fixedly arranged at the lower end point of the back strap 3, a socket 303 is fixedly arranged at the upper end point of the back strap 3, the back strap 3 is fixedly arranged at the symmetrical position of the rear surface of the box body 1, and the length of the back strap 3 can be adjusted by the iron ring 301; a fixed shaft 601 is movably installed in the rotating shaft 6, an auxiliary scale 501 is arranged on the surface of an auxiliary scale 5 on the surface of the rotating shaft 6, a main scale 401 is arranged on the surface of a main scale 4 on the surface of the rotating shaft 6, a handle 402 is fixedly installed on the upper surface of the main scale 4, an installation hole 404 is formed in the front surface of the main scale 4, a compass support 405 is fixedly installed at the lower end of the main scale 4 on the surface of the rotating shaft 6, a pointer 403 is fixedly installed on the front surface of the compass support 405; the rotating shaft 6 and the fixed shaft 601 are internally and fixedly provided with a limiting block, the rotating shaft 6 has two parts, the main ruler 4 rotates for a certain angle with the auxiliary ruler 5 and the compass support 405 through the rotating shaft 6, and the main ruler 4 and the compass support 405 can be combined to form a compass; the equal fixed mounting of main scale 4 and 5 lower surfaces of auxiliary scale has magnetic stripe 7, and main scale 4 is the same with 5 size on auxiliary scale, and magnetic stripe 7 is connected with main scale 4 and 5 surface contact on auxiliary scale through the powerful glue.

It should be noted that, the utility model relates to an experimental apparatus for STEM teaching, when in use, firstly, the box body 1 is held by the handle 2, or the box body 1 is held by the braces 3, the braces 3 can adjust the length of the braces 3 through the iron ring 301, then the box body 1 is opened to take out the main scale 4 from the main scale groove 103, the auxiliary scale 5 is taken out from the auxiliary scale groove 102, the rotating shaft 6 is taken out from the rotating shaft groove 105, the main scale 4 and the auxiliary scale 5 are installed on the rotating shaft 6, the drawing is carried out by rotating a certain angle, the length of an object can be measured according to the main scale 401 or the auxiliary scale 501 on the upper surface of the main scale 4 or the auxiliary scale 5, then the drawing is carried out, in the drawing process, the tool can be adsorbed on the blackboard through the magnetic stripes 7 on the lower surfaces of the main scale 4 and the auxiliary scale 5, if the circle is to be drawn, the auxiliary scale 5 can be detached, the front end of a compass support 405 at the lower end of a main ruler 4 is provided with a pointer 403, pencil leads are arranged in a mounting hole 404, the angle of the circle center is determined by rotating a rotating shaft 6, the radius of the circle is determined by using an auxiliary ruler 5, and after drawing is completed, a tool is placed into a notch to facilitate next use.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides an experimental apparatus for STEM teaching which characterized in that: including box (1) and rotation axis (6), fixed surface installs braces (3) behind box (1), fixed surface installs handle (2) on box (1), rotation axis (6) fixed surface installs vice chi (5), fixed surface installs main scale (4) under rotation axis (6), fixed surface installs magnetic stripe (7) under main scale (4).

2. The experimental tool applied to STEM teaching as claimed in claim 1, wherein: the utility model discloses a box, including box (1), fixed surface installs braces (3) behind box (1), box (1) is inside to have seted up triangle board groove (101), box (1) is inside to be located triangle board groove (101) one side and has seted up protractor groove (104), box (1) is inside to be close to the upper end and has seted up minor scale groove (102), box (1) is inside to be kept away from triangle board groove (101) one side and has seted up main scale groove (103), box (1) is inside to be located protractor groove (104) top and has seted up rotation axis groove (105).

3. The experimental tool applied to STEM teaching as claimed in claim 1, wherein: the upper surface of the strap (3) is fixedly provided with an iron ring (301), the lower end point of the strap (3) is fixedly provided with a plug (302), the upper end point of the strap (3) is fixedly provided with a socket (303), and the strap (3) is fixedly arranged at the symmetrical position of the rear surface of the box body (1).

4. The experimental tool applied to STEM teaching as claimed in claim 1, wherein: the inside movable mounting of rotation axis (6) has fixed axle (601), rotation axis (6) surperficial auxiliary scale (5) surface is equipped with auxiliary scale (501), rotation axis (6) surperficial main scale (4) surface is equipped with main scale (401), fixed surface installs handle (402) on main scale (4), mounting hole (404) have been seted up to main scale (4) front surface, rotation axis (6) surface is located main scale (4) lower extreme fixed mounting has compasses support (405), fixed surface installs pointer (403) before compasses support (405).

5. The experimental tool applied to STEM teaching as claimed in claim 4, wherein: the inside fixed mounting of rotation axis (6) and fixed axle (601) has the stopper, rotation axis (6) have two parts, main scale (4) are through rotation axis (6) and vice chi (5) and compasses support (405) certain angle of rotation.

6. The experimental tool applied to STEM teaching as claimed in claim 1, wherein: the magnetic scale is characterized in that magnetic stripes (7) are fixedly mounted on the lower surfaces of the main scale (4) and the auxiliary scale (5), the size of the main scale (4) is the same as that of the auxiliary scale (5), and the magnetic stripes (7) are in contact connection with the surfaces of the main scale (4) and the auxiliary scale (5) through super glue.

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