JP2011512170A - Flat jigsaw puzzle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a jigsaw puzzle capable of firmly fixing particularly connecting pieces.
A planar jigsaw puzzle provided with a concavo-convex connecting structure and composed of a plurality of joined plastic pieces, wherein a chamfered portion is formed on the peripheral edge of the upper surface of each plastic piece and the two joined together. The height of the chamfered portion is 5% to 50% with respect to the height of the side where the pieces are joined to each other.
[Selection] FIG.

Description

The present invention relates to a flat jigsaw puzzle made of plastic, which has a particularly retro appearance and in which pieces to be joined are firmly fixed.

Planar jigsaw puzzles are generally composed of a large number of pieces with uneven portions that fit together on the sides, and these pieces are made from paper, so due to material and processing techniques. Since the contact area of the pieces to be joined is small and the concave and convex portions cannot be firmly fixed even if they are fitted to each other, they are usually fixed in a picture frame so as not to collapse. However, picture frames are inconvenient to carry and costly, and most of them have the disadvantage that their colors, shapes, and other designs do not match the colors and pictures of the jigsaw puzzle, making them look bad. .

Thereafter, in order to solve the above-described problem, a plastic jigsaw puzzle was developed. According to this, the pieces to be joined are fitted together because the entire side surfaces facing each other are contact surfaces. It became possible to fix firmly.

However, since the conventional plastic jigsaw puzzle has a monotonous appearance, the conventional plastic jigsaw puzzle does not have the style of the conventional jigsaw puzzle, and there is a possibility that a finger may be pinched when the pieces are fitted. In addition, since plastic is a hard material and has a small allowable deformation amount, higher manufacturing accuracy of the pieces is required in order to allow the pieces to be joined to be correctly fitted.

Therefore, the present invention was filed, and the pieces to be joined can be firmly fixed, and they are beautiful, excellent in design, high in safety, and easily without requiring high processing accuracy. An object of the present invention is to provide a plastic flat jigsaw puzzle that can be manufactured.

A planar jigsaw puzzle according to the present invention is composed of a plurality of joined plastic pieces provided with a concave-convex connecting structure. A chamfered portion is formed on the peripheral edge of the upper surface of each plastic piece, and two joined pieces are joined together. The height of the chamfered portion with respect to the height of the side edges facing each other is 5 to 50%, that is, the area where the two pieces to be joined contact each other with respect to the area of the sides to be joined to each other. Is 95 to 50%. Also, in order to obtain a good bonding effect, the area where the two joining pieces contact each other with respect to the area of the side where the two joining pieces join together is preferably 60 to 80%, Most preferably, it is 75%. According to this configuration, since the contact area greatly increases, the coupling force of the pieces to be coupled is also improved, so that the connected state can be maintained without using the fixing device after the jigsaw puzzle is completed. In addition, since the piece is made of plastic, the contact area does not change even when used for a long time, and a good bonded state can be maintained. In addition, since the chamfered portion is provided on the upper surface of the plastic piece, the front surface and the back surface of the plastic piece can be immediately distinguished by the chamfered portion. Since it is possible to prevent burrs that occur in the process, the safety during use can be improved, and when the pieces are fitted, the deformation space between the joined pieces can be increased. The toy of the present invention made from a new material can have a retro-like atmosphere in addition to providing a tactile sensation similar to that of conventional paper products on the upper surface of the jigsaw puzzle. it can.

In order to fix the completed jigsaw puzzle firmly and easily carry it, a frame is further provided on the outer periphery of the jigsaw puzzle in the present invention, and the frame is composed of a plurality of frame pieces, and these frame pieces are combined in a frame shape. In addition, a connecting structure is provided between the frame pieces that are joined together. In addition, it is preferable that the said connection structure is an uneven | corrugated structure provided in the front end and rear end of a frame piece, respectively, and connected with the frame piece which couple | bonds together. Furthermore, the frame can be fixed to the jigsaw puzzle by providing a concave-convex connection structure for connecting to the plastic piece on the outer periphery of the jigsaw puzzle inside the frame.

In order to further improve the appearance of the completed jigsaw puzzle, a protrusion-shaped modification block is further provided over the uneven structure connected to the jigsaw puzzle in the frame, and the unevenness between the frame and the jigsaw puzzle is covered by the modification block. The connecting structure can be obscured.

Further, the frame is provided with a fixing structure composed of a continuous concave groove provided on the bottom surface of the frame piece and a fixing rod fitted into the concave groove. According to this, the frame is deformed. It can be prevented and is very convenient when hanging the picture frame. The fixing rod may be made of plastic or metal, but is preferably made of aluminum in order to provide high strength and light weight characteristics.

Moreover, since the slip prevention part is provided in the upper surface and side surface of the said frame piece, it can prevent the fall at the time of carrying.

The planar jigsaw puzzle of the present invention has a large contact area between pieces to be joined together, so that the connected state can be maintained without using a conventional picture frame. Further, in the present invention, since the frame is provided on the outer periphery, the jigsaw puzzle is more convenient to carry, and the frame is composed of frame pieces that can be manufactured together with the jigsaw puzzle, so that the appearance is a jigsaw puzzle. The design of the jigsaw puzzle when completed can be further improved.

It is a perspective view of the conventional jigsaw puzzle. It is sectional drawing of the side view of the conventional jigsaw puzzle. It is a perspective view of the frame applied to the conventional jigsaw puzzle 1 is a perspective view of a first embodiment of a planar jigsaw puzzle according to the present invention. 1 is a side sectional view of a first example of a planar jigsaw puzzle according to the present invention. It is a fragmentary perspective view of a frame in the plane type jigsaw puzzle concerning the present invention. FIG. 7 is a bottom perspective view of the frame shown in FIG. 6. It is a disassembled perspective view which shows the state which attaches a frame in 1st Example of the planar jigsaw puzzle which concerns on this invention. FIG. 3 is a bottom perspective view showing a state in which a frame is attached in the first embodiment of the planar jigsaw puzzle according to the present invention. It is a bottom view perspective view which shows the fixation structure in 1st Example of the planar jigsaw puzzle which concerns on this invention. It is a perspective view which shows the state at the time of completion of 1st Example of the planar jigsaw puzzle based on this invention. It is a fragmentary perspective view of the frame in 2nd Example of the planar jigsaw puzzle which concerns on this invention. The bottom view perspective view of the frame shown in FIG. It is a disassembled perspective view which shows the state which attaches a frame in 2nd Example of the planar jigsaw puzzle which concerns on this invention. It is a bottom view perspective view which shows the state which attached the frame in 2nd Example of the planar jigsaw puzzle which concerns on this invention. It is a bottom view perspective view which shows the fixation structure in 2nd Example of the planar jigsaw puzzle which concerns on this invention. It is a perspective view which shows the state at the time of completion of 2nd Example of the planar jigsaw puzzle which concerns on this invention.

As shown in FIGS. 1 and 2, the conventional jigsaw puzzle 1 ′ is composed of a plurality of paper pieces having a picture printed on one side and an Ω-shaped uneven structure on the side. The piece is made by press working to cut the paper with the mold 7. As shown in FIG. 2, the paper jigsaw puzzle has a very small side connection area 2 ′, and the lateral direction is not separated because it is positioned by the Ω-shaped uneven structure, but the vertical direction is Carrying around was very troublesome because it was very easy to remove. Therefore, when carrying the jigsaw puzzle 1 'or hanging it on a wall or the like, as shown in FIG. 3, the jigsaw puzzle 1' is usually fixed by the frame 3 '. In addition, since the shape and color of the frame 3 'do not match the jigsaw puzzle 1', the overall appearance is often impaired.
In view of the above problems, the present invention provides a new planar jigsaw puzzle. DESCRIPTION OF EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in the first embodiment of the present invention, the appearance is not different from that of a conventional jigsaw puzzle, but as shown in FIG. 4, the jigsaw puzzle 1 is composed of a plurality of pieces provided with Ω-shaped uneven structures on the side surfaces. Since the joined pieces are connected by an Ω-shaped concavo-convex structure, they are not separated in the lateral direction, and as shown in FIG. 5, the areas of the opposite sides of the two joined pieces in the jigsaw puzzle 1 The contact area 2 of the two pieces joined together is 75%, and the contact height h is 3/4 of the total height H. In addition, an arc-shaped chamfer is formed at the intersection between the upper surface of the piece and the opposite side, so that the front and back surfaces of the plastic piece can be immediately distinguished during use and the piece is manufactured. Since the burr | flash which arises at the time can be prevented, safety | security can be improved and the atmosphere of a retro style can be given to a jigsaw puzzle.
According to the above configuration, as the contact area 2 of the two pieces to be joined greatly increases, the joining force of the pieces to be joined also improves, so that it is not necessary to use a fixing device after the jigsaw puzzle is completed. The bonded state can be maintained, and since the piece is made of plastic, the contact area does not change even when used for a long time, so that a good bonding effect can be maintained.

As shown in FIG. 6, in this embodiment, a frame 3 is further provided on the outer periphery of the jigsaw puzzle 1, and the frame 3 is provided with a connecting structure between each other. It is composed of a plurality of frame pieces including the straight piece 32. Among them, an Ω-shaped groove 312 connected to the Ω-shaped protrusion 321 in the straight piece 32 and an Ω-shaped protrusion 311 connected to the other straight piece are provided on both sides of the square piece 31, respectively. The straight piece 32 is formed with an Ω-shaped protrusion 322 connected to the other straight piece 33, and a combination of the square piece and the straight piece forms a rectangular picture frame as shown in FIG. Further, an Ω-shaped groove 323 is formed on the inner side of the straight piece 32 to connect to the piece on the outer periphery of the jigsaw puzzle 1, and Ω-shaped grooves or protrusions are similarly formed on the other straight pieces. By providing, as shown in FIG. 8, the uneven structure connected with the jigsaw puzzle 1 is formed inside the frame 3.

As shown in FIG. 7, since the concave groove 4 is formed on the bottom surface of the frame piece, as shown in FIG. 9, the continuous concave groove 4 is configured on the bottom surface of the frame 3 composed of the frame piece, Furthermore, as shown in FIG. 10, the frame 3 can be fixed more firmly by fitting a metal or plastic fixing rod 5 into the concave groove 4.

Moreover, since the anti-slip | skid part 34 is provided in the upper surface of the said frame 3, the fall at the time of carrying can be prevented.

As shown in FIG. 11, according to the first embodiment of the present invention, when the jigsaw puzzle is completed, the appearances of the frame and the jigsaw puzzle are harmonized and the combined state is maintained without using a separate fixing device. This is very convenient when carrying or hanging on a wall.

As shown in FIGS. 12 to 17, in this embodiment, a modification block 6 is further provided above the concavo-convex structure connected to the jigsaw puzzle 1 in the frame 3. Otherwise, the modification block 6 is substantially the same as in the first embodiment. It is a configuration. Further, as shown in FIGS. 12 and 13, each frame piece is provided with a modification block 6, and in the straight piece 32, the modification block 6 is connected to a piece on the outer periphery of the jigsaw puzzle 1. On the other hand, in the square piece 31, the modification block 6 is provided above the Ω-shaped concave groove 314 and the projection 313 that are connected to the pieces on the outer periphery of the jigsaw puzzle 1. Therefore, according to this configuration, the uneven structure for connecting to the jigsaw puzzle 1 formed inside the frame 3 is covered with the modification block 6. As shown in FIGS. 15 and 16, the method of attaching the frame to the jigsaw puzzle 1 is the same as in the first embodiment.

As shown in FIG. 17, according to the second embodiment of the present invention, when the jigsaw puzzle is completed, the structure for connecting the frame 3 and the jigsaw puzzle 1 is covered with the modification block 6. This can be further improved.

As described above, the above-described two examples are only preferred embodiments of the present invention, and are configured to improve the joining effect of the jigsaw puzzle by expanding the contact area of the pieces to be joined together. If it exists, it is included in the claims of the present invention.

1, 1 'Jigsaw puzzle 2, 2' Contact area 3, 3 'Frame 31 Square piece 311 Protrusion 312 Concave groove 313 Protrusion 314 Concave groove 32, 33 Linear piece 321 Protrusion 322 Protrusion 323 Concave groove 34 Non-slip part 4 Concave groove 5 Fixed Rod 6 Block 7 Mold

Claims (9)

A planar jigsaw puzzle provided with a plurality of joined plastic pieces provided with an uneven connection structure,
A chamfered portion is formed on the peripheral edge of the upper surface of each plastic piece, and the height of the chamfered portion is 5% to 50% with respect to the height of the side where the two pieces to be joined to each other are joined to each other. Features a flat jigsaw puzzle. The planar jigsaw puzzle according to claim 1, wherein a chamfered portion of each plastic piece has an arc shape. 2. The flat jigsaw puzzle according to claim 1, wherein a frame composed of a plurality of frame pieces provided with a connection structure is provided on the outer periphery thereof. 4. The flat jigsaw puzzle according to claim 3, wherein an uneven connection structure for connecting to a plastic piece on an outer periphery of the jigsaw puzzle is provided inside the frame. The planar structure according to claim 4, wherein the connection structure provided between the frame beads connected to each other is a concavo-convex structure provided at a front end and a rear end of the frame piece and connected to adjacent frame beads. Jigsaw puzzle. 6. The planar jigsaw puzzle according to claim 5, wherein a projecting modification block is provided over the uneven structure connected to the jigsaw puzzle in the frame. The flat jigsaw puzzle according to any one of claims 3 to 6, wherein a fixing structure is provided on the frame piece. The planar jigsaw puzzle according to claim 7, wherein the fixing structure includes a continuous concave groove provided on a bottom surface of the frame piece and a fixed rod fitted into the concave groove. The flat jigsaw puzzle according to any one of claims 3 to 6, wherein an anti-slip portion is provided on an upper surface and a side surface of the frame piece.

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