JPH054979U - key ring - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a key ring with a durable structure and a simple structure that retains variable images clearly without any damage to the lenticular screen or water immersion. [Structure] A base plate 1 having a recess 1a for accommodating a lenticular screen 2 and the lenticular screen 2
A variable display body A1 composed of a variable image generating portion 3 formed between the bottom of the concave portion 1a and the bottom of the concave portion 1a is covered with a transparent cap-shaped front cover A2. It is integrally fixed to the outer surface of the base plate 1 by vacuum pressure bonding.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a key holder in which a visible image changes according to a change in viewing angle by arranging a variable image generating unit including variable pixels on the back surface of a lenticular screen.

[0002]

[Prior Art]

 The variable display was constructed by forming several groups of variable pixels densely on the back surface of the lenticular screen to form a variable image generating section, or by leaving a transparent section corresponding to one change pixel between the variable pixels. The variable image generating unit is configured, the variable image generating unit is fixed to the back cover, and the lenticular screen and the variable image generating unit are surrounded by a frame body.

[0003]

[Problems to be solved by the device]

 However, although the lenticular screen is made of a plastic material, it is exposed and easily damaged by abrasion. In particular, in the case of items such as key chains that can be worn on the body or purchased by a large number of children, they often get damaged due to collision with a rigid member or rough handling, and the lens function is often impaired. It is quickly damaged. In addition, the adhesive layer between the frame body and the lenticular screen deteriorates over time, and the lenticular screen may peel off or the variable image display part may be damaged by flooding, resulting in poor durability. .. By the way, it is possible to propose to cover the lenticular screen in order to protect the lenticular screen from the external load and prevent the infiltration of water. In that case, it is possible to propose to integrate the cover by a molding method such as injection molding, or to integrate it via an intervening material such as an adhesive, but in both the former and the latter, the molding resin or adhesive is the cover and the lenticular. It is easy to get around the screen, which complicates post-processing and promotes blurring of the variable image, so that the best result cannot be obtained.

The present invention has been made in view of the above conventional circumstances, and an object of the present invention is to provide a key ring having a simple structure with excellent durability in which variable images can be clearly enjoyed without any fear of damage or water immersion of the lenticular screen.

[0005]

[Means for Solving the Problems]

 The technical means taken to achieve the above-mentioned object is a variable display body main body comprising a base plate having a recess for accommodating a lenticular screen, and a variable image generating unit formed between the lenticular screen and the bottom of the recess. Is covered by a cap-shaped transparent front cover, and the inner peripheral surface of the front cover is integrally fixed to the outer surface of the base plate by vacuum pressure bonding.

[0006]

[Action]

 According to the above technical means, the space between the front cover and the base plate is sealed and the lenticular screen is attached to the front cover by the vacuum pressure bonding force that integrally fixes the inner surface of the cap-shaped front cover and the outer surface of the base plate. It is clamped and held by the base plate.

[0007]

[Effect of the device]

 As described above, the present invention utilizes the vacuum pressure bonding force for integrally fixing the front cover and the base plate so that the front cover and the base plate are sealed and the lenticular screen is clamped. Since it is configured, the lenticular screen and the variable image display section can be protected without being damaged by abrasion and not being flooded due to aging. Therefore, even though it is a variable display type key chain that is mainly used by people who purchase it or who handle it roughly like children, it is possible to retain the variable image clearly and have excellent durability. .. Of course, it is structurally simple, and the production cost can be provided at a low price comparable to that of the old one.

[0008]

Embodiments Next, embodiments of the present invention will be described with reference to the drawings. 1 to 4 show a key chain A of this embodiment.

The key chain A is a four-layer structure in which a variable display body A1 composed of a base plate 1, a lenticular screen 2 and a variable image generating section 3 is covered with a front cover A2, and one end is for hanging. A hooking hole 101 of the metal fitting 100 is opened to form a flat rectangular body shape that defines a plan view shape as a whole.

As shown in FIGS. 1 and 2, the lenticular screen 2 has a well-known structure in which a transparent vinyl chloride sheet is embossed in a continuous kamaboko shape, and the lens portion 2 a pitch is about 0.1 to 1 mm. The thickness is set so that the focal point of each lens portion 2a is located at the variable pixels 200 and 201 described later, and is formed to have a size that fits into the recessed portion 1a of the base plate described later.

The base plate 1 is made of a desired hard plastic material and is formed into a plan view shape having a plane area slightly larger than the width of the lenticular screen 2 and has the same plane area as the lenticular screen 2 from the top surface direction. In addition, when the lenticular screen 2 is fitted on the variable image generating portion 3 formed on the bottom, the upper surface of the lenticular screen 2 is formed by forming a concave portion 1a slightly deeper than the thickness of the lenticular screen 2. It is flush with the upper surface.

In the present embodiment, the variable image generation unit 3 is similar to the variable pixel group for one change (the variable pixels 200 are scattered) 3 a formed on the back surface of the lenticular screen 2 so as to express one image. Between the variable pixel groups for two changes (the ones in which the variable pixels 201 are scattered) 3b so as to express the other one image formed in FIG. The transparent pixel group 3c corresponding to the variable pixels 200 and 201 for three changes left in the above, and the variable pixel groups 3a and 3b and the transparent pixel group 3c for one and two changes, and the two-dimensional image body arranged on the back surface thereof. 3d. Specifically, the variable pixels 200 and 201 are provided on the back surface of the lenticular screen 2 at intervals of a transparent portion group 3c, which will be described later, and the back surface is hidden by hiding layers 3a 'and 3b'. By providing the variable pixel groups 3a and 3b for 1 change and 2 change respectively, a two-dimensional image body 3d having a desired image 3d 'having a corresponding area of the entire back surface of the lenticular screen 2 is further provided. 3a, 3b and the transparent portion group 3c are formed on the back surface of the transparent portion group 3c, and when viewed from the diagonally right upper side in FIG. 3, only the variable image group 3a for one change is projected on the entire surface by the lenticulation action. The image composed of the variable pixel group 3a is visible, and when viewed from the front, only the variable pixel group 3b for two changes is projected on the entire surface by the lenticulation action. The formed image is visible, and the image 3d 'of the two-dimensional image body 3d is projected through the transparent portion group 3c to form a three-variation display portion when viewed from the upper left. ..

The image 3d 'of the two-dimensional image body 3d is a still image, that is, an extremely thin image representation body such as a photograph, a painting, and a cartoon.

The front lid A2 is made of a desired transparent synthetic resin material such as polypropylene, and is formed in a cap shape having a vertical cross section so that the plan view width of the inner space is slightly smaller than the outer shape of the base plate A1. In the state where the base plate 1 is accommodated, the inner surface A 2 ′ is vacuum-pressed and integrated with the outer surface 1 ′ of the base plate 1. Further, an annular convex portion (not shown) is provided around the outer surface 1'of the base plate 1, and the annular convex portion is slightly crushed by the inner side surface A2 'of the front cover A2 to which the vacuum pressure bonding is applied to form the inner side surface A2. 'And its annular convex portion may be configured so as to firmly adhere to each other.

By this vacuum pressure bonding, the front cover A2 and the base plate 1 in which the lenticular screen 2 and the variable image generating section 3 are installed are inseparably fixed. Then, due to the mutual adhesive force, the water sealing portion 4 is formed around the entire circumference of the annular contact portion between the front cover A2 and the base plate 1, and the lenticular screen 2 is immovable and is not affected by any external influence. It is fixed inside.

The expression image of the key chain A of this embodiment is preferably boxing or sports such as baseball, skiing, soccer, rugby, and local products such as local products such as festivals as shown in FIG. is there. In the case of baseball, as an example of such an expression image, a batting form of a professional batter can be made into a continuous image by the visual angle, a continuous image can be made in the visual angle until the batter hits in conjunction with the pitcher's pitching, or a fine play can be made continuously by the visual angle. It is most suitable for souvenirs if it adopts the form of expression, such as a picture of a doll dancing a local festival with a series of images, which is a specialty product in the case of being aware of the locality. Further, in the embodiment, the image is configured to change three times, but a more detailed changed image may be expressed by increasing the variable pixel group dedicated to the change.

[Brief description of drawings]

FIG. 1 is a vertical sectional view of the present embodiment.

FIG. 2 shows an exploded view in section.

FIG. 3 is an enlarged cross-sectional view of a main part.

FIG. 4 is a front view showing an example of an expression image.

[Explanation of symbols]

A: Key holder 1: Base plate 2: Lenticular screen 3: Variable image generating part A1: Variable image display body 4: Sealing part 1a: Recessed part

Claims (1)

Claims for utility model registration: 1. A variable display body main body comprising: a base plate having a recess for accommodating a lenticular screen; and a variable image generator formed between the lenticular screen and the bottom of the recess. Covered with a cap-shaped transparent front cover,
A key holder characterized in that the front lid has an inner peripheral surface fixed to the outer surface of the base plate integrally with the base plate by vacuum pressure bonding.