JPH0939948A - Commodity displaying case - Google Patents

Abstract

PROBLEM TO BE SOLVED: To connect side wall members to a tray main body without using split pins or the like for a tray-type commodity displaying case that is made up of the tray main body at the center and side wall members that can be slid toward the right and the left and available for making the capacity variable according to the quantity of articles to be displayed. SOLUTION: Slots 38 extending toward the right and the left are formed at one side of parts where a tray main body 1 and side wall members 2 overlap each other, and engaging protuberances 39 for being pushed in and engaged with the slots 38 are formed integrally by cutting to the other side. The side wall members 2 are prevented from falling off by virtue of the engaging protuberances 39 engaged with the slots 38 when being slid toward the outside.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tray-type product display box used for displaying products.

[0002]

2. Description of the Related Art Conventionally, as this type of product display box, side wall members are slidable in the left and right directions on the left and right sides of a central tray body, and the internal capacity is changed according to the amount of the stored products. There are things that can be done.

In such a product display box, an elongated hole is formed in the left-right direction in one of the overlapping portions of the central tray body and the left and right side wall members, and the stopper inserted into the elongated hole in the other. Is attached to the side wall member so that the side wall member can slide in the left-right direction within the dimension of the long hole so that the side wall member does not come out of the central tray body.

By the way, heretofore, split pins made of metal or pins made of synthetic resin have been used as stoppers to be inserted into the elongated holes.

Therefore, conventionally, as a constituent material of the product display box, in addition to the material for forming the central tray body and the left and right side wall members, there has been an inconvenience that split pins and the like must be prepared.

Therefore, in the present invention, the side wall member is left and right within a certain range with respect to the central tray main body without using split pins or the like, only by the material forming the central tray main body and the left and right side wall members. It is intended to provide a product display box that slides in the direction and in which the side wall member does not come out.

[0007]

A product display box of the present invention comprises a central tray body and a pair of side wall members provided on the left and right of the tray body so as to be slidable in the left-right direction with respect to the tray body. The tray body and the side wall member are configured as follows.

The tray body is formed by a bottom wall, and a front wall and a rear wall standing up and down in front of and behind the bottom wall. on the other hand,
The side wall member is formed by a bottom wall, a front bottom wall and a back wall of the tray main body, which overlap with the bottom wall, a front front wall and a back wall, respectively, and a side wall which closes a side surface of the tray body.

In the commodity display box of the present invention, one of the overlapping portions of the central tray body and the left and right side wall members is
An elongated hole is formed in the left-right direction, and on the other side, an engaging protrusion that is pressed into the outer end of this elongated hole and is caught by the elongated hole is formed. The left and right side wall members slide in the left-right direction with respect to the central tray body within the dimension of the elongated hole that can slide in the direction.

[0010]

Embodiments of the present invention will be described below with reference to the drawings.

The product display box of the present invention is of a tray type having an open top surface, and is provided on the center tray body 1 and on the left and right sides of the tray body 1 slidably in the left-right direction with respect to the tray body 1. And a pair of side wall members 2.

The tray body 1 is formed by a bottom wall, a front wall standing up and down in front of and behind the bottom wall, and a rear wall. The tray body 1 shown in the developed views of FIGS. 1 and 6 has a bottom wall, a front wall, and a rear wall formed in a double-wall structure. That is, the bottom wall is formed by the inner bottom wall 3 and a pair of front and rear outer bottom walls 4 a and 4 b which are superposed on the back surface of the inner bottom wall 3. In addition, the front wall is formed by the inner front wall 5 and the outer front wall 6, and the inner front wall 5 and the outer front wall 6 have a narrow connecting wall 7 at the upper end.
Is connected by a fold line 8 and the inner front wall 5 is connected by this fold line 8.
When the outer front wall 6 is bent to face each other, a gap having the width of the connecting wall 7 is formed between the inner front wall 5 and the outer front wall 6. On the other hand, the rear wall is also formed by the inner rear wall 9 and the outer rear wall 10, and the inner rear wall 9 and the outer rear wall 10 are also connected at the upper end portion by a crease line 12 via a narrow connecting wall 11, When the inner rear wall 9 and the outer rear wall 10 are bent along the fold line 12 to face each other, a gap having the width of the connecting wall 11 is formed between the inner rear wall 9 and the outer rear wall 10. . The rear wall 10 is formed to have a height higher than that of the front wall 9.

The inner front wall 5 and the inner rear wall 9 are connected to the front and rear edges of the inner bottom wall 3 via fold lines 13 and 14, respectively. The pair of front and rear outer bottom walls 4a and 4b are connected to the outer front wall 6 and the outer rear wall 10 via fold lines 15 and 16, respectively. And, a pair of front and rear outer bottom walls 4a, 4b
Is bent so as to overlap with the back surface of the inner bottom wall 3 by the crease lines 15 and 16, and the tips thereof are attached to each other.

The inner front wall 5 and the outer front wall 6 forming the front wall are formed such that the outer front wall 6 is slightly wider than the inner front wall 5, and the inner front wall 5 and the outer front wall 6 are formed. When the front walls are formed by facing each other, both sides of the outer front wall 6 are projected slightly outwardly than both sides of the inner front wall 5. Also, the inner rear wall 9 and the outer rear wall 10 forming the rear wall are formed such that the outer rear wall 10 is slightly wider than the inner rear wall 9 so that the inner rear wall 9 and the outer rear wall 10 face each other. When the rear wall is formed, both sides of the outer rear wall 10 project slightly outwardly than both sides of the inner rear wall 9.

Next, the pair of side wall members 2 provided on the left and right of the tray main body 1 are overlapped with the bottom wall, front wall and rear wall of the tray main body 1, respectively. And a side wall 2 that closes the side surface of the tray body 1.
It is formed by 0 and.

The side wall member 2 shown in the developed views of FIGS. 2 and 7.
Is the polymerization bottom wall 17, pre-polymerization wall 18 and post-polymerization wall 19
Is slidably inserted between the bottom wall, the front wall and the rear wall of the tray main body 1 having a double wall structure. That is, the overlapping bottom wall 17 of the side wall member 2 is inserted between the inner bottom wall 3 and the outer bottom walls 4a and 4b forming the bottom wall of the tray body 1. The pre-polymerization wall 18 of the side wall member 2 is
It is inserted between an inner front wall 5 and an outer front wall 6 that form the front wall of the tray body 1. The post-polymerization wall 19 of the side wall member 2 is
The tray body 1 is inserted between the inner rear wall 9 and the outer rear wall 10 which form the rear wall.

In the side wall member 2 shown in FIGS. 2 and 7, the folding lines 21, 22, 23 are formed on three sides of the front and rear edges and the outer edge of the overlapping bottom wall 17.
The pre-polymerization wall 18, the post-polymerization wall 19 and the side wall 20 are continuously provided via the. Reinforcing walls 24, 25 and 26, which are folded over toward the inner surface side, are provided at the leading edges of the pre-polymerization wall 18, the post-polymerization wall 19 and the side wall 20, respectively, and fold lines 27, 28 and 29.
It is provided continuously through. A fold-over piece 30 that overlaps with the outer edge of the inner surface of the overlapping bottom wall 17 is continuously provided at the tip of the reinforcing wall 26 that is continuously provided to the side wall 20 via a fold line 31.
Further, triangular pressing pieces 32 and 33 are continuously provided at front and rear edges of the tip of the reinforcing wall 26 continuously provided to the side wall 20.

The corner portions formed by the front and rear edges of the side wall 20 and the outer edges of the pre-polymerization wall 18 and the post-polymerization wall 19 are folded in two by diagonal fold lines 34 and 35, respectively. Connection plates 36 and 37 that are sandwiched between the 20 and the reinforcing wall 26 are connected in series.

The tray main body 1 and the pair of left and right side wall members 2 having the above-described structure are composed of a double wall including a superposed bottom wall 17, a superposed wall 18 and a superposed wall 19 of the side wall member 2. The tray main body 1 is continuously slidably inserted into the bottom wall, front wall, and rear wall of the tray main body 1, and the tray main body 1 and the left and right side wall members 2 are overlapped with each other as follows. A long hole 38 in the direction and an engaging projection 39 that is pressed into the outer end of the long hole 38 and is caught by the long hole 38 are formed. In this way, the engaging projection 39 is formed in the long hole 3
Since it has entered 8, the side wall member 2 does not fall off when the side wall member 2 is slid outward.

In the example shown in FIGS. 1 to 5, the elongated hole 38 is
The engaging projection 39 is formed on the overlapping bottom wall 17 of the side wall member 2.
It is formed by cutting in the inner bottom wall 3 that constitutes the bottom wall of the tray body 1. A pair of elongated holes 38 of the side wall member 2 are formed in parallel to the front edge portion and the rear edge portion of the overlapping bottom wall 17. On the other hand, the engaging protrusions 39 of the tray body 1 are formed in the longitudinal direction of the elongated hole 38, and have a root portion that substantially coincides with the front and rear width dimensions of the elongated hole 38, and the front and rear of the elongated hole 38. It is composed of a front end portion having a width dimension wider than the width, and engages with a total of two pairs of long holes 38 formed in the left and right side wall members 2,
Two pieces are formed on each side of the inner bottom wall 3, two pieces in total, four pieces in total. Engaging projection piece 3 formed on the inner bottom wall 3 of the tray body 1.
When 9 is pushed into the long hole 38 formed in the overlapping bottom wall 17 of the side wall member 2, before the outer bottom walls 4a and 4b are superposed on the back surface of the inner bottom wall 3 of the tray body 1, the engaging protrusions 39 are formed. The long hole 38
If you push it in, it's easy to push in.

In the example shown in FIGS. 6 to 9, the long hole 3
8 is formed on the pre-polymerization wall 18 of the side wall member 2 and the reinforcing walls 24 and 25 that are folded over the inner surface of the post-polymerization wall 19, and the engaging projection 3
9 are formed on the inner front wall 5 forming the front wall of the tray body 1 and the inner rear wall 9 forming the rear wall. The pair of engaging protrusions 39 of the tray body 1 are formed on the left and right sides of the inner front wall 5 and the inner rear wall 9 so as to engage with the elongated holes 38 of the left and right side wall members 2, respectively.

[0022]

As described above, in the product display box of the present invention, one of the overlapping portions of the tray main body and the left and right side wall members is integrally formed with the engaging projection to be hooked in the long hole by cutting. At the time of assembling, cotter pins or the like are not required, and the assembling is easy and the cost can be reduced.

[Brief description of drawings]

FIG. 1 is a development view of a tray body showing an example of a product display box according to the present invention.

FIG. 2 is a development view of a side wall member showing the same example as above.

FIG. 3 is an exploded perspective view of the above example.

FIG. 4 is a perspective view of an assembled state of the above example.

FIG. 5 is a bottom view of the above example in which a part of the outer bottom wall of the tray main body is cut away.

FIG. 6 is a development view of a tray body showing another example of the product display box according to the present invention.

FIG. 7 is a development view of a side wall member showing the above example.

FIG. 8 is an exploded perspective view of the above example.

FIG. 9 is a perspective view of an assembled state of the above example.

[Explanation of symbols]

1 Tray main body 2 Side wall member 3 Inner bottom wall 4a, 4b Outer bottom wall 5 Inner front wall 6 Outer front wall 7, 11 Connection wall 8, 12, 13, 14, 15, 16, 21, 22, 2
3, 27, 28, 29, 31, 34, 35 Fold line 9 Inner rear wall 10 Outer rear wall 17 Polymerization bottom wall 18 Polymerization front wall 19 Polymerization back wall 20 Side wall 24, 25, 26 Reinforcing wall 30 Folding piece 32, 33 Presser piece 36, 37 Continuous plate 38 Long hole 39 Engaging projection piece

Claims (2)

[Claims] 1. A tray main body at the center, and a pair of side wall members provided on the left and right sides of the tray main body so as to be slidable in the left-right direction with respect to the tray main body. Formed by a front wall and a rear wall standing up and down, and the side wall member is a bottom wall of the tray body, a polymerization bottom wall that overlaps with the front wall and the back wall, a polymerization front wall and a polymerization back wall, and a tray body. It is formed by a side wall that closes the side surface, one of the overlapping portions of the central tray main body and the left and right side wall members is formed with a long hole in the left-right direction, and the other end is pushed into the outer end of the long hole, A product display box, characterized in that an engaging projection that hooks into a long hole is integrally formed by cutting. 2. The engaging projection is formed in the longitudinal direction of the elongated hole, and has a root portion which substantially coincides with a width dimension before and after the elongated hole, and is wider than a width before and after the elongated hole. The product display box according to claim 1, wherein the display box comprises a front end having a width dimension.