JPH023566Y2 - - Google Patents

Description

[Detailed description of the invention] <Industrial application field> The disclosed technology belongs to the technical field of use of magnifying glass sets for teaching materials used for learning, magazine supplements, etc.

<Summary of the gist> This invention can be used as an appendix for educational magazines, etc., in which one tube with lenses such as convex lenses on both ends is fitted into the other tube with lenses on one side. This invention relates to a magnifying glass kit for teaching materials, in particular, one of the tubes is provided with a screw or the like so that both tubes can be easily expanded and contracted, and the other tube has a transparent lens at its tip. A spacer is attached, and furthermore, both cylinders are divided into two parts, and the teaching material is assembled into an integrated unit by fitting and tightening them through rings at both ends without using adhesive or the like. This invention relates to a magnifying glass kit.

<Prior art> In general, magnifying glasses are often used by children to observe living things, etc., and commercially available ones are generally expensive to use for observing school science materials. Despite the fact that it is desirable for the educational effect that all students take turns using the magnifying glass, it is not possible to observe each student in detail.
Because there are many time constraints and financial difficulties, students' usage rates are low, their motivation to learn is likely to be limited, and they do not meet the objectives of early science learning.

In addition, due to the above-mentioned problems, supplements such as lenses are sometimes added to learning magazines, but since they are made of resin molding, it is possible to deal with the problems of cost and time constraints, which improves student learning. Although efforts have been made to improve motivation, there have been very few educational materials of this type to date that meet the needs.

For example, they were using it as an appendix to a finished product without understanding the theory and structure of the situation.

<Problems to be solved by the invention> However, in the above-mentioned conventional magnifying glass,
When mainly used for science experiments and summer vacation observation assignments,
Instead of expensive magnifying glasses, many of them are made of resin molded products, so they are pre-assembled in one piece, and since they lack the ability to learn the functions of a magnifying glass, they can function well as teaching materials by simply making observations. The drawback was that it was impossible.

In addition, magnifying glasses are generally used only for the purpose of being able to examine the ecology of living things, but at the same time, depending on the behavior of the living thing, the magnifying glass can be moved each time, or the work of returning the living thing to its original place can be done. There was a problem in that it was difficult to examine the details in detail, and even if it was an assembly type, adhesive was used, so it was difficult to assemble it easily.

The purpose of this invention was to solve the problems of the magnifying glasses based on the prior art described above, and to solve the problem by providing a spacer such as a tube with a transparent convex lens on the objective lens when viewing microorganisms etc. with a magnifying glass. Provides an excellent magnifying glass kit for teaching materials that allows observation without being tied to the behavior of living things, is easy to assemble, and is highly portable, benefiting the field of teaching material use in the educational industry. This is what I am trying to do.

<Means/effects for solving the problems> The structure of this invention, which is based on the above-mentioned claims for utility model registration in accordance with the above-mentioned purpose, is to solve the above-mentioned problems. To do this, a convex lens or the like is abutted against both ends of a half-split plastic tube, and is fitted and integrated with plastic links at both ends of the tube to prevent it from coming off.
Furthermore, a tube with a lens, such as a transparent double-convex lens, is inserted into the tip of the other half of the plastic tube, and plastic rings are fitted to both ends of the tube to prevent them from coming apart. , inserting the one cylinder into the other cylinder so that it can expand and contract;
This allows you to freely focus the magnifying glass, and furthermore, insert a cylindrical spacer with a lens such as a transparent double-convex lens into the tip of the tube, and use the spacer when observing living things. By allowing the behavior of living things to be seen within a bright field of view by placing it inside the transparent part, you can freely observe and confirm the ecology of living things.Also, by allowing light to pass through the transparent part,
It is a device that can be used to observe the ecology clearly at any time, and after the observation is completed, it can be scaled down or disassembled to make it compact and convenient to carry.

<Embodiment - Configuration> Next, one embodiment of this invention will be described below based on the drawings.

Fig. 1 shows the mode of a magnifying glass 1 assembled with a magnifying glass kit for teaching materials, which constitutes the gist of this invention.It is cylindrical in use and is made of plastic with a thin set wall thickness. As shown, two cylinders 2, 3 are connected to screws 4, 4' provided in corresponding parts.
They are screwed together and fitted in, and are expandable and retractable. As shown in Figures 3 and 4, since one of the cylinders 2 is split in half, a stopper 5 is integrally molded at the center of the surface of the cylinder 2, and a ring 6 is attached to the ring 6 as shown in Figure 3. The ring 6 is inserted into the tube 2 in the direction of the arrow 7 shown in FIG.

Furthermore, since the tube 2 is formed in half as described above, the ring 8 is fitted onto the tip of the tube 2 from the direction of the arrow 9 shown in FIG. Convex lenses 10 and 11 are assembled.

Therefore, the other tube 3 is also split in half,
As shown in FIGS. 5 and 6, a stopper 12 is integrally molded on the outer surface of the tip end of the surface, and a ring 13 is attached to one tip of the cylinder 3 to prevent the tubes 3 from separating from each other. A ring is attached to the tip of the tube 3 to prevent the transparent plastic spacer tube 15, which is slightly smaller than the tube 3 and has a double-sided convex lens 16 attached to its lower part, from coming off from the tube 3. 17 are fitted and tightened in the direction of arrow 18 shown in FIG.

7 and 9 show a kit consisting of the parts of the magnifying glass 1, and the kit in FIG. cylinders 2', 2'', 3', 3'' and rings 6, 8, 1
The molded parts 3, 17, etc. are integrally connected and can be easily separated using nail clippers or the like.

Additionally, lenses 10 and 1 are attached to both ends of the tube 2.
1 and a transparent lens spacer 15 that is fitted and assembled to the tip of the cylinder 3 are precision die-cast pieces and are housed in a plastic bag 18.

<Embodiment - Effect> In the above structure, when assembling the magnifying glass 1, convex lenses 10, 11 are installed on both sides in order to assemble one of the plastic tubes 2', 2''.
The ring 8 is inserted into the cylinder 2', so as to prevent it from coming off.
2'', and a ring 6 is inserted and crimped to a stopper 5 provided in a winding manner around the center of the cylinder 2 to tighten it.

Furthermore, in order to assemble the other tube 3, a transparent plastic spacer tube 1 having a double-sided convex lens 16 fitted at its tip is inserted into the half tubes 3' and 3''.
5, and move the ring 13 up to the stopper 12 provided in a wound state by the ring 17 from one end of the half-split tubes 3', 3'' so as not to separate the tubes 3', 3''. Fit it in.

When inserting the tube 2 into the tube 3, the screws 4 and 4' are provided at the opposing inner ends of the tube 2 and the tube 3, so that the tube 2 can be easily screwed together.
By being able to freely adjust the amount of expansion and contraction, as shown in Figure 8, it is possible to focus, and as shown in Figure 9, it is made of transparent plastic with a double-sided convex lens. By fitting the spacer tube 15 into the other end of the tube 3 and tightening and fixing it with the ring 17, if a small creature is placed inside, the ecology of the creature can be determined as shown in Fig. 10. It can be observed in detail.

Furthermore, by allowing light to pass through the transparent portion, it can be observed clearly.

Incidentally, the kit described above can be assembled by fitting without using any adhesive or the like.

Therefore, it doesn't matter whether you are good at craftsmanship or bad at it.

<Effects of the invention> As described above, according to this invention, children can learn by themselves through a magnifying glass, which is the basis for observing living things, and it has an excellent effect of increasing children's desire to learn. .

In addition, one tube with convex lenses at both ends and a plastic spacer tube with a transparent double-sided convex lens can be fitted freely, making it possible to freely adjust the focus during observation, making it compact and form-fitting. Because of its convenient location, it has the excellent effect of allowing easy observation in any location.

Furthermore, by molding the kit with resin, it can be made light and compact, and it also has the advantage of being mass-produced at a low price.

In addition, it is healthy because it can be assembled by fitting without using adhesives, etc., and it can be easily assembled by fitting, press-fitting, insertion and removal.
It has the excellent effect of enhancing children's creativity, and because of the transparent double-sided convex lens plastic tube, the ecology of living things can be clearly seen in detail, and there is no need to worry about the behavior of living things. You can observe things at your leisure, and then assemble them to learn about the structure of a magnifying glass.

Although it is tough, it can be assembled without the use of adhesives, and is therefore easy to disassemble, so the educational consideration has been fully utilized to enable students to learn the basic functions of a magnifying glass. It has the excellent effect of promoting science and learning effects for boys and girls, regardless of whether they are skilled or unskilled in their craft skills.

[Brief explanation of the drawing]

The drawings show an embodiment of this invention: Fig. 1 is an overall perspective view, Fig. 2 is an overall perspective view before fitting the cylinder, and Fig. 3 is an assembly of the cylinder with lenses provided on both side edges. Fig. 4 is a sectional view of Fig. 3, Fig. 5 is an assembled view with a transparent spacer provided at the rear, Fig. 6 is a sectional view of Fig. 5, and Fig. 7 shows the installation inside the kit. FIG. 8 is a plan view of the injection molded parts of the assembly block, FIG. 8 is a focusing view, FIG. 9 is a perspective view of a die-cast precision piece, and FIG. 10 is a perspective view of a transparent spacer when observed. 10, 11... Lens, 2, 3... Tube, 6, 8, 1
3, 17...ring, 12...stopper, 15...transparent spacer.

Claims (1)

[Scope of utility model registration request] In a magnifying glass kit for teaching materials, in which one tube with a pair of lenses at both ends and another tube with a lens at the tip are telescopically fitted together, one tube is split in half and has a ring. Furthermore, the other tube is also split in half, and a transparent spacer is inserted from the tip to the stopper part in the middle, so that it can be assembled tightly by a ring. A magnifying glass kit for teaching materials featuring the following.