JPH0237407Y2 - - Google Patents

Description

[Detailed description of the invention] [Technical field of the invention] This invention relates to an assembly-type picture frame made by assembling a single sheet or plate-like paper or resin material, and particularly relates to an assembly-type picture frame that can be easily assembled with one touch. Regarding.

[Technical background of the invention and its problems]

In general, this type of assembled picture frame is constructed by cutting out a paper material such as cardboard or cardboard to form a sheet-like or plate-like picture frame material, and then assembling this material. Conventional assembly-type picture frames are
Even if there are various deformations in its shape and design,
Structurally, it is constructed as shown in FIGS. 1A and 1B, and a three-dimensional edge portion 2 is formed by sequentially bending inward from the outer edge of a paper frame material 1. For this reason, the back side of the frame material 1 must also be printed or decorated in advance.

Therefore, when assembling a picture frame from one sheet or plate material, the picture frame material 1
It was necessary to print on both the front and back sides of the paper, which caused problems such as the printing process took a lot of time and effort.

In addition, conventional assembly-type picture frames require difficult assembly work to three-dimensionally assemble the periphery of the frame from a single sheet of paper frame material, and also require difficult assembly work to connect the bottom wall of the three-dimensional frame of the picture frame. However, each corner required adhesive such as glue or double-sided tape, which made assembling the picture frame troublesome and took a long time to complete.

[Purpose of invention]

This invention takes the above-mentioned points into consideration and provides an assembly-type picture frame that allows a picture frame with a three-dimensional frame to be assembled smoothly and with one touch without using adhesives such as glue or double-sided tape. The purpose is to

Another purpose of this invention is to provide an assembly-type picture frame that allows a beautiful picture frame to be assembled easily and with one touch by simply printing on one side of the picture frame material.

[Summary of the idea]

In order to achieve the above-mentioned purpose, the assembled picture frame according to this invention is made of a picture frame material in which three-dimensional edges are formed on the sides of the central plate part.
The above picture frame material has a wall section and a bottom wall section that are integrally connected in order to configure the three-dimensional edge section into an outward folding structure from the inside to the outside, with the fold line bordering on the outside from each side of the central plate section. , tapered portions are provided on both sides of each of the bottom wall portions, and the lock pieces are integrally connected to both sides of each of the bottom wall portions, with the taper portions as boundaries. is opposed to the locking piece of the adjacent bottom wall part, while the locking piece is provided with a locking pawl for locking both of the opposing locking pieces to each other, and the locking piece and the locking pawl integrally molded with the frame material allow the locking piece to be attached to the bottom wall. A one-touch locking mechanism is configured to connect and lock the bottom wall portions.

[Example of idea]

Hereinafter, preferred embodiments of the assembled picture frame according to this invention will be described with reference to the accompanying drawings.

Fig. 2 is a developed view showing the pre-assembled state of the prefabricated picture frame of this invention, and the reference numeral 10 in the figure is made by cutting out a paper material such as cardboard or cardboard or a thin resin material such as plastic. Indicates a formed sheet-like or plate-like picture frame material. This frame material 10 is decorated with printing etc. on the surface in advance, and has a rectangular center plate part (plate part) in the center.
11 is defined. A pattern section 12 on which a photograph, picture, etc. is printed in advance is formed on the center plate section 11. Instead of pre-printing a picture or the like, this pattern section 12 may form a window so that a photograph or painting attached to the back side of the frame material 10 can be viewed through the window.

Fold lines 13a, 13 are formed on the sides of the central plate portion 11.
Slanted wall portions 14a,
14b, 14c, 14d are connected, and the inclined wall part 1
Fold lines 15a, 15b, 1 on the outside of 4a to 14d
Top wall parts 16a, 16b, with 5c, 15d as boundaries.
16c and 16d are connected. Furthermore, the top wall portion 1
Fold lines 17a, 17b, 1 on the outside of 6a to 16d
Outside wall portions 18a, 18 with 7c, 17d as boundaries
b, 18c, 18d are connected, respectively, and fold lines 19a, 19b, 19c, 19d are formed on the outside of these.
Through the bottom wall portions 20a, 20b, 20c, 20d
The inclined wall portions 14a are connected to each other, and the inclined wall portions 14a are connected in sequence.
~14d, top wall portions 16a to 16d, outer wall portion 18
A to 18d and bottom wall portions 2a to 20d constitute a three-dimensional peripheral portion of an assembly-type picture frame that can be assembled.

The inclined wall parts 14a to 14d expand in a tapered shape from the center plate part 11 toward the top wall parts 16a to 16d,
The overall shape is trapezoidal. Each inclined wall portion 14
There are locking tabs 25, 2 on both side tapered parts of a to 14d.
6 is concatenated. Each of the locking tabs 25, 26 protrudes laterally from the tapered portions on both sides, and among these, the locking tab 25 formed on the pair of sloped wall portions 14a, 14c locks the adjacent sloped wall portions 14b, 14d. It faces the stop tab 26. Opposing locking tab 2
5 and 26 are arranged as shown in FIG. 3, and locking notches 27 and 28 are provided at the connecting portions between the respective locking tabs 25 and 26 and the inclined wall.

As shown in FIG. 4, it is desirable that the locking notches 27 and 28 have rounded ends. This is to effectively prevent damage when the opposing locking notches 27 and 28 are engaged. Therefore, the distance from the corner end of the center plate part 11 to the tips of the locking notches 27 and 28
The locking notches 27 and 28 are configured so that l ₁ and l ₂ are approximately equal to each other. By configuring the distances l ₁ and l ₂ to be equal, it is ensured that the adjacent inclined walls are locked together when the prefabricated picture frame is assembled. When the respective corner portions of the adjacent inclined wall portions 14a to 14d are locked, the gap between the seams of the corner portions is completely closed by overlapping the protruding locking tabs 25 and 26 with the inclined wall portions 14a to 14d. This will eliminate the problem and make it aesthetically pleasing.

Among the top wall portions 16a to 16d, at least a pair of top wall portions 16a and 16c are inclined wall portions 14a to 1
4d toward the outer wall portions 18a to 18d, forming a trapezoidal shape as a whole. As shown in FIG. 3, the expansion angle α on both sides of the top wall portions 16a to 16d is larger than the expansion angle β of the inclined wall portions 14a to 14d, and is approximately 135 degrees. Outer wall portions 18 a to 18 connected to the top wall portions 16 a to 16 d.
18d has an elongated rectangular shape, and tongue-shaped guides 29 are connected to both sides of the pair of opposing outer wall portions 18a to 18d, with the fold line as the border. This guide covers the gap at the corner of the outer wall of the three-dimensional peripheral portion from the inside when the frame is set up.

Further, the bottom wall portions 20a to 20d are connected to the outer wall portion 18.
It has tapered portions a, b, c, and d on both sides that gradually taper outward from a to 18d. These tapered portions a to d are formed so that when the frame material 10 is developed, adjacent bottom wall portions form a straight line, and the tapered portions a to d are bordered on both sides of the bottom wall portions 20a to 20d. Lock pieces 30 and 31 are connected to each other. Of these, one pair of bottom wall portions 20a, 2
The locking piece 30 formed at 0c faces the locking piece 31 of the other pair of adjacent bottom wall parts 20b, 20c during assembly, and both the locking pieces 30, 31 have locking claws 32, 33 on opposite sides. Lock claw 32,3
3 is formed by cutting out the center of the tapered part side of the bottom wall parts 20a to 20d, and when assembled, the opposite lock claws 32 and 33 are engaged and locked with each other, so that the corners of the bottom wall parts 20a to 20d are cut out. The locking pieces 30 and 31 and the locking claws 32 and 33 constitute a locking mechanism 34 for the bottom wall. Distances L ₁ and L ₂ from the outer wall portion to the lock claws 32 and 33 are formed to be approximately equal to each other. In this case as well, it is desirable that the tips of the locking claws 32, 33 are rounded in order to prevent them from being damaged. The locking pieces 30, 31 and the locking claws 32, 33 constitute a one-touch type locking mechanism 35.

Next, the assembly work of the assembled picture frame of this invention will be explained.

The surface of the frame material 10 of the assembly-type picture frame shown in FIG. 2 is printed in advance. With this printing, the center plate part 11
A pattern portion 12 such as a picture or a photograph is printed simultaneously on the paper.
Thereafter, the inclined wall portions 14a to 14d are bent toward the front side along the fold lines 13a to 13d of the frame material 10. In this bent state, the locking tabs 25 and 26 are inserted into the back sides of the inclined wall portions 14a to 14d adjacent to each other, and in the inserted state, the opposing locking tabs 25 and 26 are brought close together and slid in the direction of overlapping. The locking notches 27 and 28 are engaged with each other and meshed. At this time, since the tips of each of the locking notches 27 and 28 are formed at positions equidistant l ₁ and l ₂ from the corner end of the center plate portion 11, each of the locking notches 27 and 2
8 are engaged, the inclined wall portions 14a to 14d
The corner portions of the two are completely locked to each other by their elastic force, and the two are assembled and set in the state shown in FIG. Moreover, the corner portions of each of the inclined walls 14a to 14d are elastically sandwiched between the locking tabs and the locking tabs of the adjacent sloped wall portions via the locking notches 27 and 28. The strength of the corner portion of the inclined wall portion is increased, rattling can be prevented, and the appearance is also excellent.

Next, the top wall portions 16a to 16d are bent outward at the fold lines 15a to 15d, respectively, to form a fifth
The state shown in the figure is reached, and from this bent state, the fold line 1
Outside wall portions 18a to 18d bordering on 7a to 17d.
is bent downward as shown in FIG. At this time, the tongue-shaped guides 29 integrally molded on the pair of outer walls 18a and 18c are pushed into the back sides of the adjacent outer walls 18b and 18d, and are formed at the corners of the outer walls 18a to 18d. It covers the gap from the inside.

Then, from the state in which the outer wall portions 18a to 18d are bent vertically downward, the bottom wall portions 20a to 20d are bent inward at the fold lines 19a to 19d,
As shown in FIG.
Place it in contact with the back side of 1. At this time, the bottom wall portion 20
The lock pieces 30 and 31 connected to the bottom walls 20a to 20d are inserted into the back side (inside) of the bottom walls 20a to 20d adjacent to each other, and the lock pieces 30 and 31 are connected to the bottom walls 20a to 20d as shown in FIG.
2 and 33 engage with each other, and the adjacent bottom wall portions 20
Lock the corners a to 20d. Each bottom wall part 2
By locking the corner portions 0a to 20d, a prefabricated picture frame as shown in FIG. 9 is assembled and ready for immediate use. In this assembly type picture frame, locking tabs 25 and 26 integrally formed on the inclined wall parts 14a to 14d are locked to each other by locking notches 27 and 28, and bottom wall parts 20a to 20d
The lock piece 3 of the simple lock mechanism 35 formed in
By engaging and locking the lock claws 32 and 33 of 0 and 31 with each other, there is no need to use adhesives such as glue or double-sided tape, and it can be easily assembled with one touch. After assembling the sectional picture frame, an adhesive tape (not shown) may be attached as necessary so as to bring the bottom wall parts 20a to 20d into close contact with the back side of the center plate part 11. When adhesive tape is attached, the assembled picture frame is reinforced even more.

Next, a modification of this invention will be explained.

FIG. 10 is a developed view showing a first modification of this invention. The assembled picture frame shown in this modification differs only in the assembly structure of the three-dimensional frame from that shown in the first embodiment, and the other configuration is the same as that shown in FIG. Identical members are given the same reference numerals and explanations will be omitted.

That is, the assembly type picture frame shown in the first modification has tongue-shaped guides 22a to 22 on one side of the outer wall portions 18a to 18d (for example, at the counterclockwise side end).
d are connected and integrally molded.
These guides 22a to 22d have outer wall portions 18a to 22d.
It may be connected to the clockwise side end of 18d. Since the guides 22a to 22d are connected to one side of the outer walls 18a to 18d, each corner of the three-dimensional edge has the same connection structure. For example, each corner has the same connection structure as shown in FIG. It becomes a connected structure.

FIG. 11 shows a second modification of this invention.

The prefabricated picture frame shown in the second modification has an inclined wall portion 1
Locking tabs 25 connected to the sides of 4a to 14d
The opposing sides of A and 26A are formed in an S-shape, and the top wall is not required. The rest of the structure is the same as the assembly-type picture frame shown in FIG. 2 or FIG. 10, so the same reference numerals are given and the explanation will be omitted.

The opposite sides of the pair of locking tabs 24A and 26A are
By forming the locking tabs 25A, 2
Since the locking notches 27 and 28 extend smoothly and smoothly from the side of 6A, the locking notches 2
7 and 28 can be smoothly engaged and meshed.

FIG. 12 shows a third modification of this invention.

The assembly-type picture frame shown in this third modification has a three-dimensional frame formed in two stages. In order to form a two-stage three-dimensional edge, from each side of the center plate part 11 toward the outside, a first stage inner wall part 50, a first stage top wall part 51, a second stage inner wall part 52, and a first stage inner wall part 50, a first stage top wall part 51, a second stage inner wall part 52, and a Step top wall 5
3. Outer wall portions 18a to 18d and bottom wall portion 20a
~20d are sequentially connected with the fold line as a boundary. Locking tabs 55, 56 and 57, 58 are integrally connected to both sides of the first and second stage top walls, respectively. A locking notch 59 is connected to the connecting portion of each locking tab and the first and second stage top walls, respectively. The corner portions of the step and second step top wall portions 51, 53 are locked to each other,
It is locked. After forming the two-step three-dimensional edge in this way, the one-touch locking mechanism 35 formed on the bottom walls 20a to 20d locks the bottom wall 20a.
By locking the corner part of ~20d,
A prefabricated picture frame having a two-stage three-dimensional frame is formed.

FIG. 13 shows an assembly-type picture frame showing a fourth modification of this invention. This assembly type picture frame has a bottom wall portion 20a~
Lock mechanism 35A that locks the corner part of 20d
In addition, inner wall portions 60a to 60d are formed in place of the inclined wall portion. The locking mechanism 35A has locking pieces 30A and 31A connected to the sides of the bottom walls 20a to 20d via the sides, which are tapered parts a to d, respectively. Lock piece 30
When assembled, the lock pieces 30A and 31A are lockably opposed to each other, and each of the opposite lock pieces 30A and 31A has a lock pawl 32A and 33A on the clockwise side (or counterclockwise side), for example. Lock claw 32
Locking notches 65, 66 are formed between A, 33A and the sides of the bottom wall portions 20a to 20d.

Therefore, when the assembled picture frame shown in FIG. 13 is assembled, each of the opposing lock pieces 30A, 31
A engage with each other, and the lock claws 32A, 33
A is locked by interlocking the locking notches 65 and 66 so as to intersect with each other, thereby locking each corner of the bottom wall portions 20a to 20d and preventing their release.

In addition, in FIG. 13, the top wall portions 16a to 16
Opposite ends of the locking tabs 63 and 64 connected to d are
It is formed into a shape similar to the S-shape shown in FIG. The operation and effect thereof are almost the same as those shown in FIG. 2, so a description thereof will be omitted.

Note that the cross-sectional shape of the three-dimensional edge of the assembled picture frame of this invention is not limited to that shown in each embodiment,
Various modifications may be made.

[Effect of idea]

As described above, in the assembly-type picture frame according to the present invention, the wall portions and bottom wall portions forming the three-dimensional edge portion are successively connected outward from each side of the central plate portion with the fold line as the boundary, Both sides of each of the bottom wall sections are provided with a tapered section that gradually reduces toward the outer end, and lock pieces are integrally connected to both sides of each bottom wall section with the taper section as a boundary. The locking piece is provided with a locking pawl for locking the opposing locking pieces together while facing the locking piece on the adjacent bottom wall portion, and the locking piece and the locking pawl are integrally molded with the picture frame material during die-cutting molding. Since a one-touch type locking mechanism is constructed which connects and locks adjacent bottom wall portions, the adjacent bottom wall portions are connected to each other at their corner portions by the lock pieces and lock claws of the one-touch type locking mechanism.
The corners of the adjacent bottom walls are mechanically locked and assembled by locking pawls. No adhesives such as glue or double-sided tape are required to lock adjacent bottom walls together.
The locking pawl and locking piece are integrally molded when the picture frame material is die-cut and molded, making it possible to assemble the picture frame easily and with one touch.No special processing is required to form the one-touch locking mechanism, and after assembly, the frame can be easily assembled with one touch. It is held in the assembled state by the locking pawl of the locking mechanism, and by releasing the locking pawl, the formation of three-dimensional edges is eliminated, making it convenient to carry.

In addition, the frame material has wall and bottom wall parts sequentially connected to form an outward fold structure in which the three-dimensional edge is folded outward from the inside to the outside, with the fold line as the border from each side of the central plate part. By sequentially assembling the three-dimensional edge by folding outward from the wall to the bottom wall,
Beautiful picture frames can be assembled simply by printing on one side of the picture frame material.

[Brief explanation of the drawing]

Figures 1A and B are a sectional view and a developed view showing a conventional assembled picture frame, Figure 2 is a developed view of frame material showing an embodiment of the assembled picture frame according to this invention, and Figure 3 is a developed view of the frame material.
The figure is an enlarged view of the corner part of the picture frame material shown in the unfolded state, Figure 4 is an enlarged view of part A in Figure 3, and Figures 5 to 8 show the assembly procedure when assembling the frame from the picture frame material. 9 is a perspective view showing the assembled picture frame of this invention, FIG. 10 is an exploded view showing the first modification of this invention in the unfolded state, and FIGS. FIG. 13 is a diagram showing a second modification to a fourth modification of this invention, respectively. 10... Frame material, 11... Center plate part, 12...
...Picture section, 13a-13d, 15a-15d, 1
7a-17d, 19a-19d...Fold line, 14
a to 14d... Slanted wall part, 16a to 16d... Top wall part, 18a to 18d... Outer wall part, 20a to 2
0d...Bottom wall part, 25, 26, 55, 56, 5
7, 58, 63, 64... Locking tab, 27, 28
...Locking notch, 30, 30A, 31, 31A
...Lock piece, 32, 32A, 33, 33A...
Lock claw, 35, 35A...Lock mechanism, 50...
...First stage inner wall part, 51...First stage top wall part, 52
...Second stage inner wall part, 53...Second stage top wall part, a
~d...Tapered portion.

Claims (1)

[Scope of utility model registration request] In a prefabricated picture frame made of a frame material in which a three-dimensional frame is formed on the sides of a central plate, the frame material has a three-dimensional frame formed on the outside of each side of the central plate at a fold line. The wall portion and the bottom wall portion constituting the outward folding structure from the inside to the outside are sequentially connected together, and each of the bottom wall portions is provided with a tapered portion that gradually decreases toward the outer end on both sides, and this tapered portion Lock pieces are integrally connected to both sides of each bottom wall section with the boundary between the lock pieces, and the lock pieces face the lock pieces of the adjacent bottom wall parts, while the lock pieces lock the opposing lock pieces to each other. An assembly-type picture frame characterized in that a one-touch type locking mechanism is provided in which adjacent bottom wall parts are connected and locked by the locking pieces and the locking claws integrally molded with the picture frame material. .