JP2002053127A - Tray box with locked lid - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tray box with an insert lid wherein need of banding is eliminated and the box can be locked so that it can be opened/closed. SOLUTION: The tray box with a locked lid comprises a combination of a tray-formed box formed with protruding pieces on an upper rim of respective front and rear plates and an insert lock groove which is bent like a hook and has an upper part opened provided on the pair of protrusions, and a lid comprising a rectangular plate formed in a size to close an upper opening surface of the box and equipped with an insert protrusion to be fitted into the lock groove on front and rear rims of the plate.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tray box mainly used for storing and transporting fruits and vegetables such as vegetables and fruits. In particular, the present invention relates to a tray box with a lid that can be stacked and prevents the contents from jumping out during transportation, and preventing the contents from being soiled or damaged by dust or foreign matter entered from outside.

[0002]

2. Description of the Related Art As a case for transporting soft fruits and vegetables, a tray type box which can be folded and stored without taking up space, and which can be easily assembled by hand or the like when used is conventionally used. The tray type box (hereafter referred to as the tray box) is a type that is assembled manually or by a packaging machine. It has a flat bottom and is made of shallow dish-type paperboard or cardboard. Called box.

[0003] The tray box is used for joint sorting at a fruit sorting place, for individual sorting and packing at each farm, or as a return box for carrying the harvest from a harvesting place to a farmer or a sorting place. It is used as a case for transporting to a warehouse for storage or shipping and transporting from a storage warehouse to a destination.

The tray box for storing the fruits and vegetables is lightweight, durable even when stacked during storage and transport, has a buffering property even when subjected to vibrations and drop impacts on the truck bed, and is not stuffy during transport. Often, cardboard materials that are breathable and easy to dispose or recycle are used. A conventional cardboard tray box, as exemplified in FIG.
At the time of shipping, after stacking two or more boxes A so that they do not collapse, the lid B is placed at least on the top,
It is bound by a synthetic resin band C and provided for transportation. The purpose of this is to prevent the contents from jumping out by fixing the lid, and to prevent dust from entering from the outside to cause soiling, and to prevent high-grade products from being damaged by foreign matter.

[0005]

However, according to the method in which the upper part of the upper lid is banded and shipped, the banding band is cut off each time the goods are inspected in the distribution process after harvesting to the final destination. , The lid must be removed and the tray must be opened. After the inspection of the tray once opened, it is necessary to fix the lid again with a tape or a band for resealing.
In this method, it takes time and effort to reseal with a resealing tape or band, and the cost of packaging materials such as tapes and bands is not stupid. Also, since used bands and tapes are discarded without being reused, packaging materials are wasted and packaging waste is increased, which is not preferable.

SUMMARY OF THE INVENTION The present invention provides a tray with a lock lid which enables the lid to be locked and opened and closed freely without the need for banding, thereby enabling safe transport of fruits and vegetables and other contents. The purpose is to provide boxes.

[0007]

In order to solve the above-mentioned problems, the present invention employs the following means. The invention according to claim 1 is a tray-shaped open-top formed by forming a projecting piece on the upper edge of each of the front and rear side plates, and providing a hook-shaped bent locking groove with an opening at the top. A combination of a box, a rectangular plate formed in a size to close an upper opening surface of the box, and a lid provided with insertion protrusions fitted in the lock grooves at front and rear side edges of the plate. This is a tray box with a lock lid.

According to a second aspect of the present invention, the insertion protrusion provided on the lid is inserted into the lock groove provided on the box, and when locked, the center position of the box and the center position of the cover are centered. The tray box with a lock lid according to claim 1, wherein

The lock groove is formed symmetrically in the center of the upper edge of a projection provided on each of the front and rear side plates of the box, while the insertion projection is sized to close the upper opening surface of the box. The tray box with a lock lid according to any one of claims 1 and 2, wherein the tray is provided symmetrically in the front-rear direction at the center of the front and rear side edges of the formed rectangular plate.

According to a fourth aspect of the present invention, a side plate is connected to two longitudinal front and rear sides of a rectangular bottom plate, an insertion hole is provided at a root of the side plate, and a folding flap is connected to both ends.
On the left and right sides of the same bottom plate, the end plate, the upper surface piece, and the inner end plate are sequentially connected to the two left and right sides of the same bottom plate. Connected, and using a blank in which a embedment piece and an insertion piece are sequentially provided in parallel with the inner end plate at the tip of the crossboard, side plates, folding flaps and end plates are bent and arranged at right angles to the bottom plate, and The inner end plate is bent above the folding flap that is bent inward to form a double end wall, and the holding pieces are bent at the four corners of the box outside the side plate and inserted into the insertion holes. When inserting the pieces and assembling the boxes, and stacking the assembled boxes, the front and rear side surfaces of the upper box are sandwiched by a pair of front and rear projections of the lower box, and the projections and the holding piece of the upper box And the upper and lower boxes are kept in a superposed state. A lock Futazuke tray box according to any one to three of the.

[0011]

[Function] When setting the lid on the upper opening surface of the tray box,
By inserting insertion protrusions provided on the front and rear side edges of a lid formed to have a size to close the upper opening surface of the box, into insertion lock grooves formed on the front and rear protrusions of the box, such as banding, etc. The lid can be locked easily without any extra effort. Moreover, when reopening is required, the lid can be opened and closed many times. According to the second and third aspects of the present invention, the tray box and the lid can be centered when the insertion protrusions provided on the front and rear side edges of the lid are pushed into the insertion lock grooves of the box. According to the fourth aspect of the present invention, the box 4
Since a corner part board is provided at the corner, and the holding piece provided at the tip of the board is bent and arranged outside the side plate at the four corners of the box and the insertion piece is inserted into the insertion hole, so that during transportation, Stacking stability is improved because boxes can be stacked on the corner board, and pillars are formed at the corners of the box, and not only the wife but also the sides have a double structure, so when stacking Increases compression resistance. When stacking more boxes,
The front and rear sides of the upper box are sandwiched by a pair of front and rear projections of the lower box, and the projections are engaged with the holding pieces of the upper box to maintain the stacked state. It does not move in the left-right direction, and can be transported in a state where it is hard to collapse due to vibration during transportation without banding.

The box of the present invention can be suitably used for shipping and packing of fruits and vegetables or as a returnable box. In addition, foods such as sweet buns, marine products such as seaweed, milk and other dairy products, stationery, small tools, etc. It can be used as a transport box.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings, but the present invention is not limited to the following embodiments. In this embodiment, a case where the present invention is used as a case for transporting fruits and vegetables will be described.

(Embodiment) FIG. 1 is a perspective view of a tray box with a lock lid according to an embodiment of the present invention, FIG. 2 is a perspective view showing a state where a lid is removed from FIG. 1, and FIG. And the lid attached to the uppermost box is separated from the box. FIG. 4 is a plan view of the box blank, FIG. 5 is a plan view of the lid, and FIG. 6 is an insertion lock groove formed on a projection piece in the front and rear direction of the box with insertion protrusions provided on the front and rear side edges of the lid. It is explanatory drawing which showed the previous situation. FIG. 7 is an explanatory view showing the situation after the insertion projection has been inserted into the insertion lock groove of FIG. FIG. 8 is a longitudinal sectional view showing the stacked state of the boxes in FIG. 1, and FIG. 9 is a diagram showing a state in which the front and rear sides of the upper box are sandwiched by a pair of front and rear projecting pieces of the lower box when the boxes are stacked. FIG. 10 is a partial perspective view showing a state where the upper and lower holding pieces of the box are engaged with each other. FIG. 10 is an explanatory view showing a state in which conventional boxes are stacked and bound by a band.

<Overall Configuration> First, the box body will be described. The tray box of this embodiment is assembled using a cardboard sheet as a raw material, specifically, a blank obtained by cutting an A-flute double-sided cardboard into a predetermined shape. In the blank, as shown in FIG. 4, a rectangular bottom plate 3 is defined at the center of the blank, side plates 4 and 4 are connected to two sides in the longitudinal direction of the rectangular bottom plate, and a root of the side plate 4 is formed. Are provided with insertion holes 5, and the folding flaps 6, 6 are connected to both ends of the side plate 4, respectively. On the other hand, the end plates 7, 7 and the upper surface pieces 8, 8 and the inner end plates 9, 9 are sequentially connected to two left and right sides in the short direction of the bottom plate 3. Further, at both end edges of the end plates 7, 7, corner cross plates 10, 10 which can cover four corners of the box when assembled are connected outward. This crossboard 10,1
0 is formed in a fan shape. In addition, the holding pieces 11 and the inserting pieces 12 are sequentially provided at the tips of the crossboards 10 and 10 in parallel with the inner end board 9. The insertion piece 12 can be inserted into and engaged with the insertion hole 5.

On the upper edge of each of the side plates 4 and 4 in the longitudinal direction, projecting pieces 13 and 13 having a size shorter than the side plates and having a size excluding a portion corresponding to the width of the holding piece 11 from both ends of the side plates are formed. At the center of the upper edge of each protruding piece 13, an insertion lock groove 14 cut into a hook shape so as to open the upper part is provided.
The lock groove 14 is formed in a substantially right-angled shape, and is composed of an insertion portion 14a perpendicular to the upper edge of the protruding piece and a lock portion 14b parallel to the insertion portion 14a.
The angle formed may be a right angle or an obtuse angle.

Reference numeral 15 denotes an insertion hole provided at the center of the short side of the bottom plate 3, and reference numeral 16 denotes the insertion hole 15.
It is an insertion projection formed on the tip edge of the inner end plate 9 so that it can be inserted into the inner end plate. Reference numeral 17 denotes a mechanism provided on the wife's face, but is not essential to the present invention.

Next, the lid 1 will be described. The lid 1 is made of the same sheet material as the tray box, and is cut into a rectangular plate shape to close the upper opening surface of the box. At the same time as the cutting, an insertion projection 2 that fits into the lock groove is provided at the center of the front and rear edges of the lid 1.

<Box assembling method> When assembling the tray box of the present invention by preparing the box blank and the lid blank having the above-described configurations, first, the side plate 4 and the folding flap 6 are perpendicular to the bottom plate 3. And the end plate 7 are bent and arranged, respectively, and the inner end plate 9 is bent above the folding flap 6 disposed inside to form a double end wall. 11 is bent and the insertion piece 12 is inserted into the insertion hole 5 to assemble the corner support (see FIG. 2).

When fruits and vegetables are stored in the assembled box and used, they are stacked in an appropriate number of stages. Since the corner crosspieces are provided at the four corners of the box, it is preferable to place the upper box on it. Further, the front and rear side surfaces of the upper box are sandwiched by a pair of front and rear protrusions 13 of the lower box, and the protrusion 13 and the holding piece 11 of the upper box are engaged with each other as shown in FIGS. To maintain the overlapping state. If the lid 1 is set on the upper surface of the box and the insertion protrusion is inserted and engaged with the insertion lock groove as described later, the contents will not fly out during transportation, and dust will enter from outside and become dirty. It is possible to prevent high-grade products from being damaged by foreign substances. At the time of inspection, the lid can be removed at any time and the lid can be locked again.

When two or several boxes are stacked so as not to collapse during shipping, the lid 1 is set for each individual box or at least on the upper surface of the uppermost box. When the lid 1 is set, as shown in FIGS. 6 and 7, the insertion projection 2 provided on the front and rear side edges of the lid 1 is inserted into the insertion lock groove 14 formed on the projection 13 provided on the front and rear side plates of the box.
Inset. That is, the insertion projections 2 and 2 are first dropped into the vertical insertion portion 14a, and then the parallel lock portions 14b
The cover 2 is moved horizontally toward the
Lock to b. FIG. 7 shows a state in which the lid is locked.

The lock groove is formed at the center of the upper edge of a protruding piece provided on each of the front and rear side plates of the box, while the insertion protrusion is formed at the center of the front and rear side edges of the lid. Therefore, when the insertion protrusion is inserted into the lock groove and locked, the center position of the box and the center position of the lid are centered. Of course, the lock groove and the insertion protrusion can be provided shifted to either the left or right.

[0023]

As described above, according to the present invention,
The following effects are exhibited. (1) When setting the lid on the top opening of the tray box, the lid was conventionally fixed to the box by banding, but in the present invention, the lid can be easily opened and closed while making this banding unnecessary. Can be locked freely. (2) It is not necessary to cut the tying band each time inspection work is performed, and after inspection, it is not necessary to fix the lid again with tape or a band for resealing. Can be saved, and an increase in packaging waste can be prevented. (3) According to the second aspect of the present invention, the center of the tray box and the lid can be easily aligned when the insertion projections provided on the front and rear side edges of the lid are pushed into the insertion lock grooves of the box. (4) According to the invention of claim 3, corner boxes are provided at the four corners of the box, and the embedment pieces provided at the tips of the board are bent outside the side plates at the four corners of the box. Since the insertion piece is inserted into the insertion hole, the boxes can be stably stacked on the corner crossboard during transportation, and the box has a double structure, and the corner supports are formed on the side surfaces Therefore, the compressive strength increases. (5) According to the above invention, when the boxes are stacked, the front and rear side surfaces of the upper box are sandwiched by the pair of front and rear projections of the lower box, and the projections engage with the holding pieces of the upper box. Since the stacked state can be maintained, the individual boxes do not move in the front-rear and left-right directions, the load is not easily collapsed without banding, and the stack can be transported in a stable state. Therefore, the contents can be safely transported without the contents commodities jumping out of the box, dust entering from the outside and contaminating, and the foreign goods not damaging the high-quality commodities.

[Brief description of the drawings]

FIG. 1 is a perspective view of a tray box with a lock lid according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a state where a lid is removed from FIG. 1;

FIG. 3 shows a state in which the boxes of FIG. 1 are stacked, and a state in which a lid attached to an uppermost box is separated from the box.

FIG. 4 is a plan view of a blank before box assembly.

FIG. 5 is a plan view of a lid.

FIG. 6 is an explanatory view showing a state before inserting a plug projection provided on a front and rear side edge of the lid into a plug lock groove formed in a protruding piece in the longitudinal direction of the box;

FIG. 7 is an explanatory view showing a situation after the insertion projection has been inserted into the insertion lock groove of FIG. 6;

FIG. 8 is a longitudinal sectional view showing a stacked state of the boxes of FIG. 1;

FIG. 9 shows a state in which when the boxes are stacked, the front and rear side surfaces of the upper box are sandwiched by a pair of front and rear projections of the lower box, and the projections are engaged with the holding pieces of the upper box. FIG.

FIG. 10 is an explanatory view showing a state in which conventional boxes are stacked and bound by a band.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cover 2 Insertion projection 3 Bottom plate 4 Side plate 5 Insertion hole 6 Fold-in flap 7 Wife plate 8 Upper surface piece 9 Inner wedge plate 10 Corner bar board 11 Holding piece 12 Insertion piece 13 Protrusion piece 14 Insertion lock groove 14a Insertion part 14b Lock hole 15 Insertion hole 16 Insert projection 17 Handwork

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) B65D 85/50 B65D 21/02 DF Term (Reference) 3E006 AA03 BA02 CA04 DA03 DB10 3E035 AA11 BA01 BC01 BD01 CA02 DA10 3E060 AA03 AB20 BA22 BB01 BC02 CA01 CA12 CA23 DA08 DA12 DA23 EA06 EA12 EA13 EA14 EA16 3E096 BA27 CA03 CB03 CC01 DA23 DC01 FA29 GA01

Claims (4)

[Claims] 1. A tray-shaped box having an upper surface opened by forming a projecting piece on the upper edge of each of the front and rear side plates, bending the projecting piece into a hook shape, and providing an insertion lock groove having an upper opening. And a lid having a rectangular plate sized to close the upper opening surface of the box, and a lid provided with insertion protrusions fitted on the lock grooves at front and rear side edges of the plate. Tray box with lock lid. 2. The center position of the box and the center position of the lid when the insertion projection provided on the lid is inserted into the lock groove provided on the box and locked. 2. The tray box with a lock lid according to 1. 3. The lock groove is formed symmetrically at the center of the upper edge of a protrusion provided on each of the front and rear side plates of the box, while the insertion protrusion is sized to close the upper opening surface of the box. The tray box with a lock lid according to any one of claims 1 to 2, wherein the rectangular plate body is formed symmetrically in the front-rear direction at the center of the front and rear side edges. 4. A side plate is connected to two sides in the longitudinal direction of a rectangular bottom plate, and an insertion hole is provided at the base of the side plate, and a folding flap is connected to both ends. The end plate, the upper piece, and the inner end plate are sequentially connected, and at both ends of the end plate, a corner barbed that can cover four corners of the box when assembled is connected outward, and at the tip of the barbed. Using a blank in which the embroidery piece and the insertion piece are sequentially provided in parallel with the inner end plate, the side plate, the folding flap and the end plate are bent and arranged at right angles to the bottom plate, and the inner flap having the inner end plate arranged inside. After folding up to form a double wall, folding the embedment pieces at the four corners of the box outside the side plate, inserting the inserts into the insertion holes to assemble the box, When stacking, the front and rear sides of the upper box The upper and lower boxes can be held in a state of being overlapped by holding the upper and lower boxes together by holding the upper and lower boxes together. The tray box with a lock lid according to any one of claims 1 to 3.