JPH10324354A - Lidded container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lidded container capable of enhancing assembling characteristics and, moreover, recycling the container to be reused easily. SOLUTION: This lidded container A made of a synthetic resin comprises a vessel-like container body 1 whose upper face is openable, and lids 2 mounted to both upper edges of the container body 1 in such a manner as to be freely flapped to open and close an upper face opening of the container main body 1. In this container A, notches 4 are provided in a flange 3 at each upper edge of the container body 1, and a rotary shaft is provided in each notch 4 so as to be integrated with the container body 1. Each bearing part 6 which connects integrally a pair of bearing half bodies with the aid of a hinge pant is allowed to extend integrally from an edge of each lid 2. The bearing part 6 is inserted into the notches 4 of the container body 1 and is folded at the hinge part to superpose the paired bearing half bodies on each other so as to surround the rotary shaft. A locking protrusion provided to one of the paired bearing half bodies is locked into a locking hole provided to the other bearing half body.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a container provided with an openable and closable lid on an upper surface, and more particularly, to a structure of a part to which the lid is rotatably mounted.

[0002]

2. Description of the Related Art In a conventional container with a lid, a notch is provided on a flange above a container-like container body, bearing holes are provided on both sides of the notch, and a bearing cylinder is provided on an edge of the lid. An assembly was made by inserting a bearing cylinder of a lid into a notch of a container body and inserting a metal pin serving as a rotating shaft so as to extend over the bearing hole and the bearing cylinder.

[0003]

However, in the above-mentioned conventional example, a separate pin is inserted to assemble the container in a rotatable manner so that the lid is rotatably mounted on the container body. There is a problem that the assemblability is poor, and a tool is used to insert the pin, which also has a problem that the assemblability is poor. In addition, since a separate metal pin is used, there is a problem in recycling and reusing the synthetic resin material (there is no use unless the metal pin is removed).

[0004] The present invention has been made in view of the above description, and an object of the present invention is to provide a container with a lid which can improve assemblability and can be easily recycled and reused.

[0005]

In order to solve the above-mentioned problems, a container A with a lid according to the present invention comprises a container-like container body 1 having an upper surface opened, and a container body for opening and closing the upper surface opening of the container body 1. In a container with a lid made of a synthetic resin having a lid 2 rotatably mounted on the upper edge of a container body 1, a notch 4 is provided in a flange 3 on an upper edge of the container body 1, and the notch 4 is provided in the notch 4. The rotating shaft 5 is installed so as to be integral with the pair of bearing halves 6a, 6
b are integrally connected via a hinge 6c, and the bearing 6 is integrally extended from an end edge of the lid 2, the bearing 6 is inserted into the cutout 4 of the container body 1, and the hinge 6 is bent and rotated by the hinge 6c. A pair of bearing halves 6a, 6b surrounding the shaft 5
Are overlapped, and a locking projection 7 provided on one of the pair of bearing halves 6a, 6b is locked in a locking hole 8 provided on the other. With the pair of bearing halves 6a and 6b expanded, the bearing 6 is inserted into the notch 4 so as to pass through the rotary shaft 5, and is bent at the hinge 6c so as to sandwich the rotary shaft 5 so as to sandwich the rotary shaft 5. , 6b are overlapped, and the locking projection 7 and the locking hole 8 are locked, so that the bearing 6 can be mounted rotatably around the rotating shaft 5. This eliminates the need for a separate pin as in the related art, reduces the number of components, and eliminates the need for tools for assembling, thereby improving assemblability. Further, the rotating shaft 5 can be formed of a synthetic resin so as to be integrated with the container body 1, and since there is no metal pin as in the related art, recycling and reusing is facilitated.

Further, the locking portion 9 of the lid 2 can be locked to the container main body 1 with the lid 2 opened and the upper surface of the lid 2 along the outer surface of the container main body 1. .
With the lid 2 opened and the upper surface of the lid 2 along the outer surface of the container body 1, the locking portion 9 of the lid 2 can be locked to the outer surface of the container body 1 to prevent the lid 2 from fluttering. This allows
When transporting the container A with a lid on a roller conveyor in the opened state, the lid 2 can be prevented from being damaged by contact with a conveyor guide or the like. When the containers A with lids are arranged side by side in the opened state, when the containers A with lids located therebetween are taken out, the lids 2 of the adjacent containers with lids A do not interfere with each other, and the container A with lids is taken out. Can be easily done.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A container A with a lid is shown in FIGS.
As shown in FIG. 1, the main body is composed of a container-shaped container body 1 having an upper surface opened and a lid 2 rotatably mounted up and down to open and close the upper surface opening of the container body 1. Is formed. As shown in FIGS. 6 to 9, the container body 1 is formed in a rectangular container shape whose upper surface is opened by a bottom wall 1a, a pair of side walls 1b, and a pair of end walls 1c. The side wall 1b and the end wall 1c are inclined so as to spread outward as going upward. The upper surface of the bottom wall 1a is provided with a gentle curved surface 10 excluding the peripheral edge so as to be wavy in the longitudinal direction, and a valley portion 11 is formed between the adjacent convex curved surfaces 10 in the longitudinal direction. A portion around the convex curved surface 10 is a flat surface 12 which is flush with the valley portion 11, and a drain hole 13 is formed in the flat surface 12 at a corner of the bottom wall 1a so as to penetrate vertically. It is. A rib 14 is provided on the lower surface of the bottom wall 1a. The outer surface of the corner portion between the side wall 1b and the end wall 1c is provided with a convex surface portion 15 protruding outward in the vertical direction so as to extend over the entire vertical length. The projection 16 is provided so as to extend over the entire length in the vertical direction. Between the convex portions 15 and 16, and between the adjacent convex portions 16, there are provided concave portions 17 which are recessed inward so as to extend over the entire vertical direction. The convex portions 15 and 16 are tapered so that the width gradually decreases from top to bottom, and the concave portions 17 are tapered so that the width gradually increases from top to bottom. ing.

A flange 3 is integrally provided at the upper end of the side wall 1b and the upper end of the end wall 1c of the container body 1 so as to protrude outward. The flange 3 at the upper end of the side wall 1b is provided with a plurality of (four in this example) cutouts 4 at appropriate intervals in the longitudinal direction. 5 are provided integrally. That is, the rotating shaft 5 provided in the notch 4 is made of a synthetic resin, and is integrated with the container body 1 made of the synthetic resin. In the portion where the rotating shaft 5 is provided, the flange 3 has a substantially H-shaped cross section, and is reinforced so as to be strong in strength. Also, as shown in FIG. 18, the outer peripheral wall 18 hangs downward from the outer periphery of the flange 3 at a portion where the convex portion 15 of the container body 1 exists, and the outer peripheral wall 18 and the convex portion 15 form a double wall at the top. Has formed. Side plates 19 are integrally provided on both sides between the outer peripheral wall 18 and the convex portion 15, and a lower end portion of the side plate 19 projects below the outer peripheral wall 18. When the container bodies 1 are vertically stacked, the lower end of the side plate 19 serves as a stopper portion which is placed on the upper surface of the flange 3 of the container body 1 located below. The lower edge of the outer peripheral wall 18 is a locked edge 20 which is locked to stop the lid 2 when the lid 2 described later is opened. A concave groove 21 is provided on the upper surface of the flange 3 of the container body 1 so as to cover substantially the entire circumference. As shown in FIG. 19, a handle 22 is provided at the center in the width direction of the end wall 1c, and a chamfer 23 having an arc-shaped cross section is provided at a corner on the lower surface side of the handle 22. A rib 24 that reinforces the handle 22 is provided in the concave groove 21 at the handle 22.

The lid 2 is sized to cover the opening on the upper surface of the container body 1 with two sheets. The two lids 2 are formed in a substantially rectangular shape as shown in FIGS. Of the pair of edges parallel to the longitudinal direction of the lid 2, the bearing 6 is integrally protruded from one edge, and the overlapping protruding piece 25 is integrally protruded from the other edge. A plurality of (four in this example) bearing portions 6 are provided in parallel at equal intervals in the longitudinal direction of the edge of the lid 2. As shown in FIGS. 11 to 14, the bearing portion 6 includes a pair of bearing halves 6a and 6b and a hinge portion 6c.
A hinge portion 6c is provided between a and the bearing half 6b. That is, the bearing half 6a is directly and integrally connected to the lid 2, and is connected to the bearing half 6a via the hinge 6c.
b is provided. The bearing halves 6a and 6b are each provided with a bearing recess 26. The bearing half 6a is provided with a locking projection 7, and a locking hole 8 for locking the locking projection 7 when the bearing half 6b is placed on the bearing half 6a is provided in the bearing half 6b. . The locking projection 7 includes a main locking projection 7a located at the center in the width direction of the bearing half 6a and auxiliary locking projections 7 located on both sides.
b. The main locking projection 7a is provided with a main locking edge 27a, the auxiliary locking projection 7b is provided with an auxiliary locking edge 27b, and the main locking edge 27a and the auxiliary locking edge 27b are orthogonal to each other. I have. The locking hole 8 also has a main locking hole 8a located in the center and auxiliary locking holes 8b positioned on both sides, and the main locking projection 7a is locked in the main locking hole 8a. The auxiliary locking projection 7b is locked in the locking hole 8b.
The main locking hole 8a is provided with a main locked edge 28a which can be locked to the main locking edge 27a, and the auxiliary locking hole 8b has an auxiliary locked edge which can be locked to the auxiliary locking edge 27b. An edge 28b is provided, and the main locked edge 28a and the auxiliary locked edge 28b are orthogonal to each other.

The overlapping projections 25 provided to project from the other edge of the lid 2 are substantially semicircular. In this embodiment, a plurality of overlapping projections 25 are arranged at regular intervals in the longitudinal direction. 4 in this example). A substantially semicircular overlapping recess 30 is provided adjacent to each of the overlapping projecting pieces 25 so that the overlapping projecting pieces 25 of the adjacent lid 2 can be overlapped. At the center of the upper surface of the lid 2, a rectangular label attaching concave portion 31 is provided, and the finger attaching concave portion 32 is provided at four positions around the label attaching concave portion 31. Protrusions 33 are provided on the left and right sides of the upper surface of the lid 2.
3 is a locked edge 2 at the lower end of the outer peripheral wall 18 of the container body 1.
A locking portion 9 that locks to zero is provided.

The attachment of the two lids 2 to the upper opening of the container body 1 so as to be openable and closable is performed as follows.
With the bearing halves 6a and 6b of the bearing portion 6 of the lid 2 opened, each bearing portion 6 is made to correspond to the notch 4 of the container body 1 as shown in FIG. As shown in FIG. 15B, the bearing 6 is inserted between the bearing half 6a and the bearing half 6a with the hinge 6c in this state.
b and the bearing half 6b is superimposed on the bearing half 6a so as to sandwich the rotary shaft 5, and in this state, FIG.
As shown in the figure, the main locking projection 7a and the auxiliary locking projection 7b as the locking projection 7 are inserted into the main locking hole 8a and the auxiliary locking hole 8b as the locking hole 8, and the main locking edge 27a and the auxiliary locking Locking edge 27
b is locked to the main locked edge 28a and the auxiliary locked edge 28b. In this manner, the pair of lids 2 is rotatably attached to the upper edge of the container body 1 so that the pair of lids 2 can be opened and closed. By attaching the lid 2 rotatably as described above,
The bearing portion 6 can be easily rotatably attached to the rotating shaft 5 provided integrally with the container body 1, and it is not necessary to separately attach a pin as in the related art, so that the assemblability can be improved. In addition, since no metal parts are used at all, unlike the case of using a separate pin, the entire container A with the lid is formed of a synthetic resin, so that recycling and reuse is facilitated.
When the pair of bearing halves 6a and 6b are overlapped as described above, the main locking projection 7a and the auxiliary locking projection 7b are connected to the main locking hole 8a.
And the auxiliary locking holes 8b, the bearing halves 6a and 6b are firmly connected. At this time, the main locking edge 27a and the main locked edge 28a are locked and the auxiliary locking edge 27b and the auxiliary locked edge 28b are locked, but since the locking directions are orthogonal, Locking can be reliably performed so that locking is not released by any external force.

In addition, since the flange 3 has an H-shaped cross section at a portion where the bearing portion 6 is rotatably mounted on the rotating shaft 5, this portion can be strengthened and the lid 2 can be securely mounted. The container A with a lid configured as described above can be stacked with the lid 2 opened so that the lower part of the container A with the lid located above is inserted into the container A with the lid located below. At this time, the lower end of the side plate 19 of the container A with the lid located above can be stably stacked on the upper surface of the flange 3 of the container A with the lid located below. When the lid 2 of the container A with the lid is opened, the upper surface of the lid 2 hangs down along the outer surface of the side wall 1b of the container main body 1. In this state, a protrusion provided on the upper surface of the lid 2 as shown in FIG. The locking portion 9 of the portion 33 is locked to the locked edge 20 at the lower end of the outer peripheral wall 18 so as to prevent the lid 2 from fluttering. In this way, when the container A with the lid is transported with the lid 2 opened on a roller conveyor, the lid 2 does not flutter due to shaking.
Can be prevented from contacting the conveyor guide or the like and being damaged. Further, when the containers A with lids located between the adjacent containers A with lids are lifted and taken out in a state where the containers A with lids with the lids 2 opened are arranged side by side, the lids 2 are not caught by the adjacent ones. 2 does not cause any trouble.

Further, since the container A with the lid constructed as described above is provided with the outer peripheral wall 18 and the side plate 19 on the outer surface side of the four corners of the container body 1, the four corners can be reinforced and the four corners can be reinforced. It can be prevented from being damaged by the impact of. Also the corners of the lower end of the container body 1 of the convex portions 15, 16 as shown in FIG. 20 is provided with a circular arc cross sectional shaped chamfer 34, but Earl R ₁ of the chamfer 34 is as large as 5~10mm is there. The radius R _{2 at} the lower corner of the concave portion 17 is 3
mm. Thus, the convex portion 15,
If an arc-shaped chamfer 34 is provided at the lower end corner of 16,
When the container A with the lid is dragged in the lateral direction, it can be easily dragged. Also, when the container A with the lid is lifted by hand and carried, the arc-shaped chamfer 34 hits the abdomen of the carrier, so that the feeling of strangeness is eliminated. In the container A with the lid configured as described above, a handle portion 22 having a substantially U-shaped cross section is provided at the center in the width direction of the end wall 1c. As shown in (a), since the chamfer 23 having an arc-shaped cross section is provided, no burr is formed when formed of a synthetic resin, and when the handle portion 22 is held, the finger contact with the handle portion 22 is good. . The conventional handle portion 22 'has a built-up portion 22 at its lower end as shown in FIG.
container A with a lid
Are arranged so that they are adjacent to each other.
Although a ′ may interfere with each other so as to overlap with each other, in the case of the present invention, the handle portions 22 do not interfere with each other because of the U-shaped cross section.

As shown in FIG. 23, a rectangular label attaching recess 31 is formed in the center of the upper surface of the lid 2, and a label for displaying the contents is adhered to the label attaching recess 31. It is stuck by such means. At this time, the bottom surface of the label attaching concave portion 31 is matted, and the label attaching concave portion 31 is formed.
Even if the label is adhered by such means as adhesion, it is easy to peel off. The label attaching concave portion 31 is provided with four finger hanging concave portions 32 at four locations around the finger attaching concave portion 31.
In the part 2, the label does not stick and the label is easily peeled. When the label is peeled off, a finger can be put into the finger hook recess 32, and the label is easily peeled off. The upper surface of the bottom wall 1a is provided with a gently curved convex surface 10 excluding the peripheral edge so as to be wavy in the longitudinal direction, and a valley portion 11 is formed between the convex curved surfaces 10 adjacent in the longitudinal direction. Convex surface 1
When 0 is wavy, dew water hardly stays on the convex curved surface 10, and even if the dew water stays, wiping is easy. Even if the contents are like a mail envelope, the lower end can be set up so as not to fall down by hooking the lower end on the valley 11 between the convex curved surfaces 10, and can be stored easily by preventing the sideways slipping and overturning. . Also, even if the contents are like postcards or the like, electrostatic adhesion to the bottom surface by the convex curved surface 10 can be prevented, and removal can be facilitated. Even if dew water is generated, it flows from the valleys 11 between the convex portions 10 to the surrounding flat surface 12 and is discharged to the outside through the drain holes 13. In addition, since the convex curved surface 10 is provided in the bottom wall 1a of the container body 1 so as to be continuous in a wavy manner, the bottom wall 1a is reinforced, and unnecessary reinforcing ribs on the outer bottom surface are eliminated to reduce the weight of the container body 1. be able to. In addition, since unnecessary reinforcing ribs are eliminated as described above, cleaning can be facilitated and drainage of water during cleaning can be improved. When washing, pressurize and dry with hot air (7
(0 to 80 ° C.), but since the drainage is good, drying can be easily performed and the softening of the bottom wall 1a can be prevented. Further, in the container A with a lid configured as described above, when the pair of lids 2 is closed, each overlapping projection 25 overlaps with the overlapping concave portion 30 of the adjacent lid 2,
The adjacent lids 2 are butted without gaps.

[0015]

According to the container with lid of the first aspect of the present invention, a notch is provided in the flange at the upper edge of the container body, and a rotary shaft is erected in the notch so as to be integral with the container body. A bearing portion in which a pair of bearing halves are integrally connected via a hinge portion extends integrally from an edge of the lid, and the bearing portion is inserted into a cutout of the container body and bent at the hinge portion to surround the rotating shaft. As described above, the pair of bearing halves are overlapped, and the locking projection provided on one of the pair of bearing halves is locked in the locking hole provided on the other, so that the pair of bearing halves are deployed. Insert the bearing part into the notch so that it passes through the rotating shaft, bend it at the hinge part, overlap the pair of bearing halves so as to sandwich the rotating shaft, and lock the locking projection and the locking hole to lock the bearing part. Can be mounted rotatably around the rotation axis. The lid can be mounted rotatably without using a separate pin as in the past, so that the number of parts can be reduced, and no tools are required for assembly, and the assemblability can be improved. In addition, the rotating shaft can be formed of a synthetic resin so as to be integral with the container body, and since there is no metal pin as in the conventional case, recycling and reusing is easy.

According to a second aspect of the present invention, there is provided a container with a lid according to the first aspect, wherein the locking portion of the lid is attached to the container body in a state where the lid is opened and the upper surface of the lid is along the outer surface of the container body. Since the lid can be locked, the lid is opened and the lid locking part is locked to the outer surface of the container body with the top surface of the lid along the outer surface of the container body so that the lid does not flutter When the container with the lid is transported on a roller conveyor in the opened state, the lid can be prevented from being damaged by contacting with a conveyor guide or the like. When the attached containers are arranged in parallel, when removing the interposed container with a lid, the lids of adjacent containers with a lid do not interfere with each other, and the container with the lid can be easily taken out.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an example of a container with a lid according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a state where the lid is closed.

3A is a plan view of the same, and FIG. 3B is a front view of the same.

FIG. 4A is a side view of the same, and FIG. 4B is a bottom view of the same.

5A is a sectional view taken along line BB of FIG. 3A, FIG.
FIG. 4 is a sectional view taken along line CC of FIG.

FIG. 6 is a plan view showing the container main body of the above.

7A is a sectional view taken along line DD of FIG. 6, and FIG.
FIG. 7 is a sectional view taken along line EE of FIG.

8A is a sectional view taken along line FF of FIG. 6, and FIG.
FIG. 7C is a sectional view taken along line GG, and FIG. 7C is a sectional view taken along line HH in FIG. 6.

9A and 9B show the same lid, wherein FIG. 9A is a plan view and FIG. 9B is a front view.

10A is a bottom view of the lid, and FIG. 10B is a cross-sectional view taken along line II of FIG. 9A.

FIG. 11 shows an expanded state of the bearing unit according to the first embodiment;
Is a plan view, and (b) is a side view.

12A is a sectional view taken along line JJ of FIG.
11B is a sectional view taken along the line KK of FIG. 11A, and FIG.
1A is a cross-sectional view taken along line LL, and FIG. 1D is a cross-sectional view of an assembled state of a bearing unit.

FIG. 13A is a sectional view taken along line MM of FIG. 11A;
(B) is a sectional view of the assembled state of (a).

FIG. 14A is a sectional view taken along line NN of FIG. 11A;
(B) is a sectional view of the assembled state of (a).

FIGS. 15 (a), (b) and (c) are perspective views for explaining a state in which a bearing is rotatably mounted on a rotating shaft.

FIG. 16 is a sectional view of a part where the bearing unit is rotatably mounted on a rotating shaft.

FIG. 17 is a perspective view showing a bottom surface of the container main body of the above.

FIG. 18 is a partially omitted perspective view showing an upper part of a corner of the container body.

FIG. 19 (a) is a partially cutaway perspective view of a handle part of the above,
(B) is a sectional view of a state where a finger is hung on the handle.

FIGS. 20A and 20B are perspective views illustrating a lower chamfer of the container body.

FIG. 21 is a cross-sectional view illustrating a state where the lid is opened and the lid is locked.

FIG. 22 is a sectional view for explaining the operation of the handle unit of the above.
(A) is for the present invention, and (b) is for explaining the problem of the conventional example.

23 (a) and 23 (b) show a label sticking concave portion of the above, and FIG. 23 (a) is a perspective view and FIG. 23 (b) is a sectional view.

[Explanation of symbols]

 A Container with lid 1 Container body 2 Lid 3 Flange 4 Notch 5 Rotation shaft 6 Bearing 6a Bearing half 6b Bearing half 6c Hinge 7 Locking projection 8 Locking hole 9 Locking portion

Claims (2)

[Claims] 1. A container with a lid made of a synthetic resin, comprising: a container-shaped container main body having an upper surface opened; and a lid rotatably mounted on an upper edge of the container main body for opening and closing the upper surface opening of the container main body. , A notch is provided in a flange at the upper edge of the container body, a rotary shaft is erected so as to be integral with the container body in the notch, and a pair of bearing halves are integrally connected via a hinge portion. Are integrally extended from the edge of the lid, the bearing portion is inserted into the notch of the container body, and a pair of bearing halves are overlapped so as to bend at the hinge portion and surround the rotating shaft. A container with a lid, wherein a locking projection provided on one side is locked in a locking hole provided on the other side. 2. The container according to claim 1, wherein the locking portion of the lid can be locked to the container main body in a state where the lid is opened and the upper surface of the lid is along the outer surface of the container main body. Container with lid.