JP3004080U - Video observation toy - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a moving image observation toy that enables the mechanism of a moving image to be easily known. [Structure] A moving image observing toy that is used by holding it toward a mirror 4 by hand, and includes a hand-type rotary drive tool 1 and a rotary disc 2 that is attached to a rotary shaft of the rotary drive tool 1 and rotates integrally. Then, on the front surface of the rotating disc 2, a moving image disc 3 in which a series of still images for drawing a moving image is drawn at regular intervals along the peripheral edge portion is provided, and the outer peripheral edge is imaged by the mirror 4. A plurality of slits 23 are provided at regular intervals so that the still image can be viewed from behind the rotating disk 2.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a moving image observation toy used as a teaching material for elementary school and junior high school, for example.

[0002]

[Prior art]

 A known method of creating the illusion of a moving image is to take a series of still images at regular time intervals and then project the still images on the screen at the same time intervals so that the series of still images appear to move. However, this hallucination is based on the constancy of human vision.

In other words, when a still image whose movement is changed little by little is displayed on the screen many times per second, it looks like a continuous image to the human eye and is known as an animated movie. Teaching the mechanics to children is difficult.

[0004]

[Problems to be solved by the device]

 This invention was made in view of the above circumstances, and its purpose is to provide a movie observation toy that is suitable for school education because it can easily create a hallucination of a movie and know the mechanism of the movie. To do.

[0005]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the present invention provides a moving image observing toy, which is used by holding it toward a mirror in a hand, wherein a hand-type rotary drive and a rotary shaft of the rotary drive. It consists of a rotating disc that is attached to the body and rotates integrally.A series of still images is formed on the front surface of the rotating disc along the peripheral edge of the rotating disc at regular intervals, and the outer peripheral edge has A plurality of slits are provided at regular intervals so that the still image displayed on the mirror can be viewed from the rear of the rotating disk.

A second aspect of the present invention is characterized in that a moving image disc, on which a series of still images for forming a moving image is drawn at regular intervals, is detachably attached to the front surface of the rotating disc of the first aspect. According to a third aspect of the present invention, in the hand-type rotary drive tool according to the first aspect, the rotational speed of the rotary shaft can be changed by operating a finger. According to a fourth aspect of the present invention, the hand-type rotary drive tool, the rotary disc, and the video disc of the second aspect are formed by a kit that can be assembled.

[0007]

[Action]

 A rotary disc is attached to the rotary shaft of the hand-type rotary drive, and a moving disc is attached to the rotary disc. Hold the hand-held rotary drive in your hand and aim the moving image disk at the mirror to capture a still image of the moving image disk at the mirror. In this state, operating the hand-operated rotary drive to rotate the rotating disc and moving image disc, and observing the image projected on the mirror through the slit from behind the rotating disc, the image was intermittent. However, it can be seen as a continuous image, that is, a moving image, to the human eye, so that the mechanism of the moving image can be known.

[0008]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is an exploded view of a moving image observation toy, in which 1 is a hand-type rotary driving tool, 2 is a rotating disk, 3 is a moving disk, and 4 is a mirror leaning against a stand 4a. In the rotary drive tool 1, a pistol-shaped main body 5 having a barrel portion 5a and a grip portion 5b is formed of a synthetic resin material, and is formed so as to be divided into two parts, left and right, and inside the main body 5, FIG. The rotary drive mechanism 6 as shown in FIG.

The rotation drive mechanism 6 will be described. Reference numeral 7 denotes a frame, and the frame 7 is provided with an operation lever 9 which is rotatable around a pivot shaft 8 as a fulcrum. A finger hook 10 is provided at one end of the operation lever 9, and a rack 11 is provided at the arcuate portion at the other end. The rack 11 meshes with the first pinion 12, and the operation lever 9 rotates. It converts motion into rotational motion.

Further, the operation lever 9 is provided with a stopper 9a that comes into contact with the grip portion 5b and restricts the amount of rotation of the operation lever 9, so that the rotation speed of the rotary shaft 17 described later does not exceed a certain level. I have a limit. Reference numeral 13 is a biasing spring that biases the operating lever 9 in the direction of arrow a.

A large gear 14 is coaxially provided on the first pinion 12, and the large gear 14 meshes with a small gear 15 provided adjacent to the large gear 14. A single-sided gear 16 is coaxially provided on the small gear 15, and a second pinion 18 mounted on a base end portion of a rotary shaft 17 meshes with the single-sided gear 16.

The rotating shaft 17 is rotatably supported by the frame 7, and the tip of the rotating shaft 17 projects forward from the barrel portion 5 a of the main body 5. A rotary body 19 is fixed to the tip of the rotary shaft 17. A flange 20 is provided on the rotating body 19, and a square angular shaft portion 21 is integrally provided on a front portion of the flange 20. In addition, 21a is a holding cap attached to the angular shaft portion 21.

As shown in FIG. 4, the rotary disc 2 is made of, for example, cardboard or a plastic board, and a square hole 22 that fits into the square shaft portion 21 of the rotary body 19 is formed in the center of the rotary disc 2. Has been drilled. Further, a plurality of slits 23 are radially provided at regular intervals on the outer peripheral edge of the rotary disc 2. The slit 23 may be closed with a semi-transparent film (not shown) of red, blue, yellow or the like.

On the front surface of the rotating disc 2, a moving image disk mounting portion 24 surrounded by a slit 23 is provided, and the moving image disk 3 is superimposed on the moving image disk mounting portion 24. .

As shown in FIG. 5, the moving image disk 3 is made of, for example, cardboard or a plastic board, and a square hole 25 that fits into the square shaft portion 21 of the rotating body 19 is formed at the center thereof. . Furthermore, a series of still images 26 for forming a moving image are drawn at regular intervals along the peripheral edge of both sides of the moving image disk 3. In other words, this series of still images 26 is for forming a moving image of a doll jumping rope, for example, and is a picture in which the movement is slightly changed counterclockwise. Multiple moving image disks 3 are prepared, and the types of pictures are different for each. By selectively installing the moving image disk 3, various moving images can be enjoyed.

Next, the order of assembling the moving image observation toy and the method of use will be described. The rotary driving tool 1 is a completed product, and after fitting the square hole 22 of the rotary disc 2 into the square shaft portion 21 of the rotary body 19, a moving image circle on which a desired still image 26 is drawn is drawn on the front side. The plates 3 are overlapped with each other, and the square holes 25 are fitted into the square shaft portion 21. When the presser cap 21a is finally attached to the angular shaft portion 21, the rotary disc 2 and the moving image disc 3 are clamped by the flange 20 and the presser cap 21a, and the assembly is completed.

Next, as shown in FIG. 3, when the grip portion 5 b of the main body 5 of the rotation driving tool 1 is gripped and the rotating disc 2 and the moving image disc 3 are opposed to the mirror 4, the moving image disc 3 is moved. The still image 26 is reflected on the mirror 4, and a part of the image (virtual image) reflected on the mirror 4 can be visually observed through the slit 23 (or a translucent film such as red, blue or yellow) of the rotating disc 2. .

In this state, when the finger-holding portion 10 of the rotary drive 1 is pulled by fingers, the operation lever 9 rotates about the pivot shaft 8 as a fulcrum, and this rotation movement causes the rack 11 and the first pinion 12 to move. Is converted into rotary motion via. The rotation of the first pinion 12 is transmitted to the small gear 15 via the large gear 14, and the rotation of the small gear 15 is transmitted to the rotating shaft 17 via the one-sided gear 16 and the second pinion 18.

Therefore, the rotating body 19 fixed to the rotating shaft 17 rotates, and the rotating disk 2 and the moving disk 3 rotate, so that still images 26 whose movements change little by little are sequentially projected on the mirror 4. It will be.

When the transition of the still image 26 projected on the mirror 4 is visually observed from the rear side of the rotating disc 2 through the slit 23, the rotating disc 2 is rotating, and thus the blocking and the transmission are repeated, The image is intermittent, but since it is a still image 26 whose movement changes little by little, it appears to the human eye as a continuous image, that is, a moving image (a moving image of a doll jumping rope).

Here, when the finger hooked on the finger rest 10 is strongly pulled, the rotation speed of the rotary shaft 17 is increased, and when the finger is lightly pulled, the rotation speed of the rotary shaft 17 is reduced, and the rotary disc 2 and the moving image are moved. The rotation speed of the disk 3 can be controlled, and the motion of the moving image can be made faster or slower, and the mechanism of the moving image can be known.

In the embodiment described above, the rotating disc 2 and the moving image disc 3 are superposed, but these are made into one disc, and the slit and the still image are provided in one disc. Good. Further, the hand-type rotary drive is provided with the rack and pinion and the gear group, and the rotary shaft is rotated by the rotation of the operation lever, but the structure may be such that the dry battery rotates the motor to drive the rotary shaft. .

[0023]

[Effect of device]

 As described above, according to the present invention, the rotary disc is rotated by the hand-type rotary drive, and the still image of the rotary disc is imaged on the mirror with the rotary disc facing the mirror. By visually observing the image projected on the mirror through the slit, the image is intermittent, but since it appears as a continuous image, that is, a moving image to the human eye, the child can easily understand the mechanism of the moving image. It can be learned and is suitable as a school teaching material.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a moving image observation toy showing an embodiment of the present invention,

FIG. 2 is a side view showing the internal structure of the hand-type rotary drive tool of the embodiment.

FIG. 3 is a side view showing a usage state of the embodiment.

FIG. 4 is a front view of the rotating disk of the embodiment.

FIG. 5 is a front view of the moving image disk of the embodiment.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Hand-type rotary drive tool, 2 ... Rotating disk, 3 ... Video disk, 4 ... Mirror, 17 ... Rotation axis, 23 ... Slit, 26
… Still images.

Claims (4)

[Scope of utility model registration request] 1. A moving image observation toy to be held and used by holding it toward a mirror, comprising a hand-type rotary drive tool and a rotary disc mounted integrally with a rotary shaft of the rotary drive tool. A series of still images for forming a moving image along the peripheral edge of the rotating disk is provided at regular intervals, and the still image captured on the mirror on the outer peripheral edge is viewed from behind the rotating disk. A moving image observation toy, which is provided with a plurality of slits at regular intervals so that the toy can be seen. 2. The moving-picture observation toy according to claim 1, wherein a moving-picture disk, on which a series of still images for drawing a moving picture are drawn at regular intervals, is detachably attached to the front surface of the rotating disk. . 3. The moving image observing toy according to claim 1, wherein the hand-type rotary drive can change the rotational speed of the rotary shaft by operating a finger. 4. The moving image observation toy according to claim 2, wherein the hand-type rotary drive, the rotary disc, and the moving disc are formed by a kit that can be assembled.