CN215450650U - Beidou seven-star model science popularization teaching aid - Google Patents
Beidou seven-star model science popularization teaching aid Download PDFInfo
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- CN215450650U CN215450650U CN202122213588.7U CN202122213588U CN215450650U CN 215450650 U CN215450650 U CN 215450650U CN 202122213588 U CN202122213588 U CN 202122213588U CN 215450650 U CN215450650 U CN 215450650U
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Abstract
The application relates to a Beidou seven-star model science popularization teaching aid, which belongs to the field of teaching aids and comprises a fixing frame, wherein two fixing plates are symmetrically arranged on the fixing frame; the connecting wires are connected between the two fixing plates, and a plurality of elastic positioning joints are arranged on each connecting wire at intervals along the length direction of the connecting wire; the light balls penetrate through the connecting lines and are clamped above the elastic positioning joints to position the light balls, and the seven light balls are arranged on the connecting lines in a Beidou seven-star direction; through the fixed plate about setting up on the mount, connect the connecting wire between two fixed plates, set up the elasticity locating segment on the connecting wire, can fix a position the light ball on the connecting wire, regard the light ball as seven star's model, can realize again that the light ball slides on the connecting wire to the different positions of adjustment light ball, thereby realize that the light ball is the position setting of seven stars of big dipper.
Description
Technical Field
The utility model relates to the field of teaching aids, in particular to a Beidou seven-star model science popularization teaching aid.
Background
The low-grade students, especially those in the teenage stage, are generally interested in the vast and spacious sky, and the big dipper seven star is the little knowledge of the sky with certain understanding. The starry sky is more like a plane figure in eyes of students, and there is a certain difficulty in establishing a concept of a 'stereo' constellation. Therefore, in the concrete teaching, a model of the beidou seven-star needs to be established to help students construct correct concepts of constellations, and the purpose is to enable the students to observe the seven-star positions of the beidou seven-star more intuitively from different angles. Lack the teaching aid to the seven star models of big dipper among the prior art, so the student only stops the shape of the projection range on single plane to the understanding of the seven star construction constellation of big dipper, can not let the student know the seven stars of big dipper from a plurality of angles.
SUMMERY OF THE UTILITY MODEL
This application is in order to compensate the not enough of the teaching aid of lacking the seven star models of big dipper among the prior art, improves the student and only stops the phenomenon in single plane arrangement shape to the understanding of big dipper seven star construction constellation, this application designs a big dipper seven star model science popularization teaching aid, can let the student observe the range shape of big dipper seven star from different angles more directly perceivedly, deepens the understanding of big dipper seven star, cultivates the interest to the astronomical subject, and the technical scheme of its concrete adoption is:
the utility model provides a big dipper seven stars model science popularization teaching aid, includes:
the fixing frame is symmetrically provided with two fixing plates;
the connecting wires are connected between the two fixing plates, and a plurality of elastic positioning joints are arranged on each connecting wire at intervals along the length direction of the connecting wire;
the light balls penetrate through the connecting lines and are clamped above the elastic positioning joints to position the light balls, and the seven light balls are arranged on the connecting lines in the Beidou seven-star direction.
Preferably, the fixing plate is an acrylic plate.
Preferably, each connecting line is a transparent fishing line.
Preferably, the lightweight balls are plastic or foam balls.
Preferably, the fixed plates are respectively provided with sliding chutes which are intersected vertically and horizontally, the sliding chutes on the two fixed plates are arranged in the same and symmetrical mode, the two ends of the connecting wire are respectively connected with sliding blocks, the sliding blocks connected with one end of the connecting wire are arranged in the sliding chutes on one of the fixed plates in a sliding mode, and the sliding blocks connected with the other end of the connecting wire are arranged in the sliding chutes on the other fixed plate in a sliding mode.
Preferably, the fixing frame is in a square shape, the two fixing plates are correspondingly arranged on the upper plane and the lower plane of the fixing frame, and the two mutually perpendicular side surfaces of the fixing frame are respectively provided with the sliding plates.
Preferably, the fixing frame is a square frame consisting of a plurality of connecting rods, the horizontal connecting rods forming two vertical side surfaces of the fixing frame are respectively provided with a guide groove, and the sliding plate is arranged in the guide grooves in a sliding manner.
Preferably, the connecting rod is an aluminum rod, and the fixing frame is an aluminum frame formed by a plurality of aluminum rods.
Preferably, the fixed plate is the iron board, and the both ends of each connecting wire are connected with the magnet piece, and each connecting wire adsorbs in the iron board in order to realize the fixed of connecting wire on the fixed plate through the magnet piece on it.
Preferably, each fixing plate is provided with a plurality of threaded holes, the threaded holes in the two fixing plates are symmetrically arranged, two ends of each connecting wire are connected with screws, and the connecting wires are fixed between the two fixing plates through the screws.
According to the utility model, the upper fixing plate and the lower fixing plate are arranged on the fixing frame, the connecting line is connected between the two fixing plates, and the elastic positioning joint is arranged on the connecting line, so that the light ball can be positioned on the connecting line and used as a seven-star model, and can slide on the connecting line to adjust different positions of the light ball, thereby realizing the arrangement of the light ball at the position of the Beidou seven stars. In addition, the side surface of the fixing frame is opened, so that students can observe the positions of the Beidou seven-star at different angles conveniently, the students can easily establish a three-dimensional constellation concept, the students can further know the Beidou seven-star, and the interest of the students in astronomy disciplines is developed.
Drawings
FIG. 1 is a structural diagram of one connection mode of the connecting wire on the fixing plate according to the present invention;
FIG. 2 is a structural diagram of another connection mode of the connecting wire on the fixing plate according to the present invention;
FIG. 3 is a structural diagram of another connection mode of the connecting wire on the fixing plate according to the present invention;
fig. 4 is a schematic structural view of the sliding plate of fig. 3 after being removed.
In the figure, the device comprises a fixing frame 1, a fixing frame 2, a connecting wire 3, a light ball 4, a fixing plate 5, a sliding groove 6, a guide groove 7, a sliding plate 8, an elastic positioning joint 9, a magnet block 10 and a screw.
Detailed Description
In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings.
In addition, in the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicate orientations and positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in figures 1-4, the application is a big dipper seven stars model science popularization teaching aid, and it mainly includes mount 1, many connecting wires 2 and seven light balls 3. The fixing plates 4 are arranged in two numbers, the two fixing plates 4 are correspondingly arranged on the upper surface and the lower surface of the fixing frame 1, and the connecting wires 2 are connected between the two fixing plates 4. In this application, the number that connecting wire 2 set up is the same with the number of light ball 3, also set up seven, seven fixed lines have confirmed respective position when connecting between fixed plate 4, make seven fixed lines also be the position of big dipper seven stars and arrange, seven light balls 3 on the connecting wire 2 of deuterogamying simultaneously are high low position difference, seven light balls 3 just are the position of big dipper seven stars and arrange on a plurality of connecting wires 2, seven light balls 3 simulate seven stars of big dipper seven stars, form big dipper seven star model together with mount 1, provide the basis for students to know big dipper seven stars.
The light ball 3 is threaded on the connecting wire 2, the height of the light ball 3 on the connecting wire 2 is fixed through the elastic positioning joint 8 on the connecting wire 2, the elastic positioning joint 8 is a spherical rubber joint which is elastic, the diameter of the rubber joint is slightly larger than a hole in the light ball 3, which penetrates through the connecting wire 2, and the light ball 3 is small in weight, so that when the light ball 3 penetrates through the connecting wire 2 and is fixed on the connecting wire 2, the lower end of the light ball 3 is clamped on the rubber joint, the light ball 3 is guaranteed not to slide down on the connecting wire 2, and the light ball 3 is guaranteed to be fixed at a certain height. The rubber joints are arranged at intervals along the length direction of the connecting line 2, and the distance between two adjacent rubber joints is larger than the diameter of the light ball 3, so that the light ball 3 can be positioned, the number of the light balls 3 passing through the rubber joints can be reduced as much as possible, and the resistance of the light ball 3 passing through the light ball can be reduced. If the height of the light ball 3 on the connecting line 2 needs to be adjusted, the light ball 3 is forcibly moved downwards or upwards by hands, and the rubber joint deforms under the action of forced external force, so that the light ball 3 can slide up and down on the connecting line 2 through the rubber joint.
Through above-mentioned big dipper seven star model, can let the student more audio-visual from a plurality of angles observe the position of big dipper seven star to the big dipper seven star that observes from different angles then also presents different shapes, in actual operation, this model also can accomplish the modeling under the teacher's tutor, not only tempers student's manual operation ability, but also can more deeply comprehensive understanding and understanding big dipper seven star, establishes the concept of rising the solid constellation.
Further, in one embodiment, the fixing plate 4 is an acrylic plate, which is configured to meet the requirement of certain transparency of the fixing plate 4, and is beautiful, and the acrylic plate can provide a movable groove for the position movement of the connecting wire 2 on the basis of meeting the requirement of certain transparency, and the acrylic plate is made of plastic material, and can be directly grooved on the groove without damaging the fixing plate 4.
Furthermore, in one embodiment, the connecting lines 2 are transparent fish wires which are very thin, and the transparent fish wires are adopted to be transparent so that the connecting lines are not easy to see, when students look at the model, particularly when the students look at the model, the transparent fish wires can not be seen almost, a feeling that the light ball 3 is suspended in the air is given, the feeling of Beidou and seven stars in the universe is really given, and the vivid effect of the model is improved.
Further, in one embodiment, the light ball 3 is a plastic ball or a foam ball, and is configured as a plastic ball or a foam ball, which is easily available in the market and is cheap, so that the manufacturing cost is reduced. In addition, the purpose of using a light ball 3 in this application is to facilitate the fixing of the ball on the connecting line 2, because if a heavy ball is used, the fixing of the ball on the connecting line 2 is mainly clamped above the elastic locating joint 8, mainly by means of the lifting of the elastic locating joint 8, if the ball is heavy, the elastic locating joint 8 is not enough to support the ball, and if the diameter of the elastic locating joint 8 is increased to support the heavy ball, the purpose of adjusting the height of the ball by the ball causing the elastic locating joint 8 to deform therethrough cannot be satisfied.
Further, as shown in fig. 1, in order to easily change the position of the connecting wire 2 on the fixing plates 4 and thus change the position of the light ball 3 in the front-rear action direction, the fixing plates 4 are respectively provided with sliding grooves 5 which are intersected in a longitudinal and transverse direction, where the longitudinal and transverse directions are the sliding grooves 5 arranged in the front, rear, left and right directions, the arrangement of the sliding grooves 5 on the two fixing plates 4 is the same, and all the longitudinal and transverse sliding grooves 5 on the two fixing plates 4 are arranged in a vertically symmetrical manner, which is to ensure the consistency of the up-down movement of the connecting wire 2 and ensure that the connecting wire 2 is in a substantially vertical state. The two ends of each connecting wire 2 are respectively connected with a sliding block, the sliding block connected with one end of each connecting wire 2 is arranged in the sliding groove 5 on the upper fixing plate 4 in a sliding mode, and the sliding block connected with the other end of each connecting wire 2 is arranged in the sliding groove 5 on the lower fixing plate 4 in a sliding mode.
When the position of connecting wire 2 about back about needs are adjusted, the staff pushes or pulls the slider and removes in spout 5, and the in-process that removes preferably operates two sliders on a connecting wire 2 and removes simultaneously, guarantee that connecting wire 2 is in vertical position basically, the position of the connecting wire 2 that removes like this just is unanimous with the position of light ball 3 above that, the position that connecting wire 2 belonged to just can be accurate reaction light ball 3 place's position, make the light ball 3 of final simulation beidou star accurate be in the position that symbolizes beidou star should be located.
Further, the fixing frame 1 is specifically in a square shape, the square fixing frame 1 has six faces, the two fixing plates 4 are correspondingly arranged on the upper plane and the lower plane of the fixing frame 1, and the two mutually perpendicular side faces of the fixing frame 1 are respectively provided with the sliding plates 7. The fixed plate 4 is provided at the upper and lower planes because the fixed plate 4 mainly serves the purpose of fixing the connection wires 2, and the sliding plate 7 is provided to facilitate the shape of the arrangement of the seven light balls 3 to be viewed in two directions. Specifically, the flashlight can be used for illuminating seven light-weight balls 3, the seven light-weight balls 3 are projected on the sliding plate 7, and the shape formed by the projection of the seven light-weight balls 3 on the sliding plate 7 is the position shape of the compass seven stars observed from the two angles. The projected shape can be photographed by using photographing equipment after the shape formed after projection, and the position shape of the Beidou seven-star can be obtained from the front-back direction and the left-right direction more conveniently and easily.
Further, the fixing frame 1 is a square frame composed of a plurality of connecting rods, guide grooves 6 are respectively formed on the horizontal connecting rods forming two vertical side surfaces of the fixing frame 1, and the sliding plate 7 is slidably arranged in the guide grooves 6. The purpose of the sliding arrangement is to slide the sliding plate 7 out of the guiding slot 6 after the observation effect and the projection are finished, i.e. to detach the sliding plate 7, as shown in fig. 4, so that students can observe the position relationship of the light ball 3 at different angles from various angles; meanwhile, the weight of the whole Beidou seven-star model can be reduced, and students can move, extend and put the whole model conveniently.
Furthermore, the connecting rods are aluminum rods, the fixing frame 1 is an aluminum frame formed by a plurality of aluminum rods, and the aluminum frame is light in weight and convenient for students to take and place.
In one embodiment, as shown in fig. 2, the fixing plate 4 is an iron plate, the two ends of each connecting wire 2 are connected with magnet blocks 9, and each connecting wire 2 is adsorbed to the iron plate through the magnet blocks 9 thereon to fix the connecting wire 2 on the fixing plate 4. This way of connecting the connecting wires 2, and the way of changing the position of the connecting wires 2, is simpler and more convenient and can be operated quickly.
In an embodiment, as shown in fig. 3, the connection of the connecting lines 2 on the fixing plates 4 can also adopt a mode that a plurality of threaded holes are specifically arranged on each fixing plate 4, the positions of the threaded holes on the fixing plates 4 are preset according to the position of the projection of the beidou seven star on the fixing plates 4 in the vertical direction, so the positions of the threaded holes on the two fixing plates 4 are symmetrically arranged, two ends of each connecting line 2 are correspondingly connected with two screws 10, and the two screws 10 connected with each connecting line 2 are correspondingly screwed in the two vertically symmetrical threaded holes of the two fixing plates 4.
The above-described embodiments should not be construed as limiting the scope of the utility model, and any alternative modifications or alterations to the embodiments of the present invention will be apparent to those skilled in the art.
The present invention is not described in detail, but is known to those skilled in the art.
Claims (10)
1. The utility model provides a big dipper seven stars model science popularization teaching aid which characterized in that includes:
the fixing frame is symmetrically provided with two fixing plates;
the connecting wires are connected between the two fixing plates, and a plurality of elastic positioning joints are arranged on each connecting wire at intervals along the length direction of the connecting wire;
the light balls penetrate through the connecting lines and are clamped above the elastic positioning joints to position the light balls, and the seven light balls are arranged on the connecting lines in a Beidou seven-star direction.
2. The Beidou seven-star model science popularization teaching aid according to claim 1, wherein the fixing plate is an acrylic plate.
3. The Beidou seven-star model science popularization teaching aid according to claim 1, wherein each connecting line is a transparent fishing line.
4. The Beidou seven-star model science popularization teaching aid according to claim 3, wherein the light ball is a plastic ball or a foam ball.
5. The Beidou seven-star model science popularization teaching aid according to claim 1, 2, 3 or 4, wherein sliding grooves which are intersected in a longitudinal and transverse mode are formed in each fixing plate, the sliding grooves in the two fixing plates are arranged in the same mode and are symmetrically arranged, sliding blocks are connected to two ends of each connecting line respectively, the sliding blocks connected to one end of each connecting line are arranged in the sliding grooves in one of the fixing plates in a sliding mode, and the sliding blocks connected to the other end of each connecting line are arranged in the sliding grooves in the other fixing plate in a sliding mode.
6. The Beidou seven-star model science popularization teaching aid according to claim 5, wherein the fixing frame is in a square shape, the two fixing plates are correspondingly arranged on the upper plane and the lower plane of the fixing frame, and the two mutually perpendicular side surfaces of the fixing frame are respectively provided with a sliding plate.
7. The Beidou seven-star model science popularization teaching aid according to claim 6, wherein the fixing frame is a square frame consisting of a plurality of connecting rods, horizontal connecting rods forming two vertical side surfaces of the fixing frame are respectively provided with a guide groove, and the sliding plate is slidably arranged in the guide grooves.
8. The Beidou seven-star model science popularization teaching aid according to claim 7, wherein the connecting rods are aluminum rods, and the fixing frame is an aluminum frame formed by a plurality of aluminum rods.
9. The Beidou seven-star model science popularization teaching aid according to claim 1, 2 or 3, wherein the fixing plate is an iron plate, two ends of each connecting wire are connected with magnet blocks, and each connecting wire is adsorbed to the iron plate through the magnet blocks on the connecting wire so as to realize the fixing of the connecting wire on the fixing plate.
10. The Beidou seven-star model science popularization teaching aid according to claim 1, 2 or 3, wherein a plurality of threaded holes are formed in each fixing plate, the threaded holes in the two fixing plates are symmetrically arranged, two ends of each connecting line are connected with screws, and the connecting line is fixed between the two fixing plates through the screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122213588.7U CN215450650U (en) | 2021-09-13 | 2021-09-13 | Beidou seven-star model science popularization teaching aid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122213588.7U CN215450650U (en) | 2021-09-13 | 2021-09-13 | Beidou seven-star model science popularization teaching aid |
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| CN215450650U true CN215450650U (en) | 2022-01-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114999280A (en) * | 2022-04-26 | 2022-09-02 | 楚雄技师学院 | Three-dimensional space display device for mathematical education |
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2021
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114999280A (en) * | 2022-04-26 | 2022-09-02 | 楚雄技师学院 | Three-dimensional space display device for mathematical education |
| CN114999280B (en) * | 2022-04-26 | 2023-09-15 | 楚雄技师学院 | Three-dimensional space display device for mathematical education |
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