JPH0728026U - container - Google Patents

Abstract

(57) [Summary] [Purpose] The performance of the container can be kept good and it can be handled easily. [Construction] A container 10 has a bottom portion 13 having a large number of holes 14 formed therein and a side wall portion 15 having a large number of slits 16 formed so as to widen toward an upper opening and are housed inside each other. Can be stacked. At the upper end of the side wall portion 15,
A peripheral portion 17 having a flat portion 17A and a bent portion 17B is formed over the entire circumference. On the lower side of the peripheral edge portion 17, a handle rib 40 as a position restricting portion is formed. Rib for handle 4
0 has a height h1 from the upper opening to the lower surface 42, and when the upper and lower containers 10A, 10B are housed inside each other and stacked, the handle rib 4 of the upper container 10A is provided.
The height h1 is determined so that the lower surface 42 of 0 abuts the flat portion 17A of the lower container 10B to regulate the stop position between the containers 10A and 10B and form a gap between the side wall portions 15 and 15. [Effect] The stacking and the removal can be easily performed, the performance of the container can be maintained good, and the life of the container can be extended.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a container used for transporting and cleaning items such as tableware.

[0002]

[Prior art]

 BACKGROUND ART Conventionally, a container 2 as shown in FIG. 11 is known as a container that stores tableware for lunch in hospitals and the like and is used for transportation and cleaning. The container 2 has a bottom portion 3 in which a large number of holes 4 are formed, and a side wall portion 5 that rises from the bottom portion 3 and expands toward the upper opening. The sidewall 5 is formed with a number of vertically long slits 6 all around and is inclined at an angle of about 5 ° with respect to the vertical plane. The container 2 is made of a heat-resistant and rust-resistant alloy such as stainless steel, so that a plurality of containers 2 can be stacked. Therefore, the container 2 is housed in a predetermined place by accommodating a plurality of containers 2 inside so as not to take up space when not in use. As shown in FIG. 12, when the upper container 2A is lowered downward from the opening of the lower container 2B, the plurality of containers 2 are fitted with the upper container 2A and the inner surface 5A of the side wall portion 5A of the lower container 2B. The outer surface 5B of the side wall portion of the upper container 2A comes into close contact with the upper container 2A, and the upper container 2A is stacked halfway down (stop point P1) without reaching the bottom portion 3 of the lower container 2B.

[0003]

[Problems to be solved by the device]

 When using the above conventional container, a large number of stacked containers are removed one by one. However, when a large number of containers are stacked, the side walls are in close contact with each other, and a weight corresponding to the number of containers to be stacked is applied to the close contact parts to increase the close contact force. Therefore, when removing the container, it is difficult to remove it and it is necessary to pull it up with a strong force. In particular, if the adhesion is strong, it is necessary to apply force to the container from a direction different from that of the adhesion surface to release the adhesion, which makes handling difficult. In addition, when stacked, the weight from above is concentrated on the side wall and unreasonable stress is applied to it, or if excessive force is applied to the container during removal, the performance of the container deteriorates.

The present invention has been made in order to eliminate the above-mentioned drawbacks, and provides a container that maintains good performance of the container and can be easily handled.

[0005]

[Means for Solving the Problems]

 The container according to the present invention has a bottom portion having a large number of holes and a wall portion having a large number of holes that are expanded toward the upper opening, and is a stackable container inside each other. A position control part is formed to control the stop position of the container when stacking and form a gap between the walls.

[0006]

[Action]

 In the container according to the present invention, the position regulating portion is formed on the container and the stop position of the container during stacking is regulated so as to form the gap between the wall portions, so that the container does not need to be applied with force when being removed. Both can be easily removed.

[0007]

【Example】

 Hereinafter, the present invention will be described with reference to illustrated embodiments. 1 is a plan view showing a container according to an embodiment of the present invention, FIG. 2 is a bottom view of the container of FIG. 1, FIG. 3 is a partially cutaway side view of the container of FIG. 1, and FIGS. It is sectional drawing which shows the principal part of the container of FIG. The container 10 is made of heat-resistant plastic, and as shown in FIG. 1, has a substantially square bottom portion 13 in which a large number of holes 14 are formed, and a side wall portion 15 that rises from the bottom portion 13 and expands toward the upper opening. Have

A large number of vertically long slits 16 are formed on the entire circumference of the side wall portion 15 and are inclined at a predetermined angle (an angle of about 5 ° in this embodiment) with respect to a vertical surface. A peripheral edge portion 17 is formed at the upper end of the side wall portion 15 over the entire circumference. As shown in FIGS. 3 and 4, the peripheral edge portion 17 has a flat portion 17A that horizontally projects outward from the upper opening, and a bent portion 17B whose tip is bent downward. On the lower side of the peripheral portion 17, a handle rib 40 and a large number of connecting ribs 41 are formed. The connection rib 41 is formed by connecting the outer surface of the side wall portion 15, the flat portion 17A, and the bent portion 17B. As shown in FIG. 1, the bottom portion 13 is composed of a lattice-shaped bottom rib 13A, and annular ribs 13B for stress distribution are provided at four locations near the center of the bottom rib 13A. A curved portion 13E is formed between the bottom portion 13 and the side wall portion 15 as shown in FIG. As shown in FIG. 2, on the bottom 13 side of the curved portion 13E, an outer peripheral rib 18 is formed so as to protrude below the bottom rib 13A along the outer periphery of the bottom rib 13A.

The four corners of the outer peripheral rib 18 are formed into R, and as shown in FIGS. 2 and 3, in the vicinity of the R-shaped corner of the outer peripheral rib 18, the corners of the two sides are substantially equidistant from each other. Recesses 19 are formed respectively. The recesses 19 are formed in two places on each side of the outer peripheral rib 18. The concave portion 19 has a predetermined length L, and the rising portion is formed to be inclined. In the present embodiment, the length L of the concave portion 19 is such that when the upper container 10A changes its direction at an angle of about 45 degrees and overlaps with the lower container 10B, the peripheral edge portion 17 of the lower container 10B overlaps with the upper container 10A. The length of the outer peripheral rib 18 is set to be slightly longer than the length to be accurately fitted into the recess 19 so that the upper container 10A can be slightly moved laterally. In this way, the container 10 has two recesses 19 and 19 formed on one side of the peripheral edge 17 of the lower container 10B and on two sides extending from one corner of the outer peripheral rib 18 of the upper container 10A. Are fitted at the same time. Further, the bottom surface 18A of the outer peripheral rib 18 closer to the R-shaped corner than the concave portion 19 is formed shorter than the other bottom surface 18B of the outer peripheral rib 18. That is, the height H1 on the R-shaped corner portion side of the outer peripheral rib 18 is formed to be shorter than the height H2 on the other side of the outer peripheral rib 18 with the recess 19 as a boundary (H1 <H2).

By the way, in the container 10, as shown in FIGS. 2 and 3, a handle rib 40 is formed as a position restricting portion. The handle rib 40 includes a pair of handle ribs 40A, 40B and 40C, 40D. As shown in FIG. 2, each handle rib 40 is formed by connecting the outer surface of the side wall portion 15 facing each other, the flat portion 17A, and the bent portion 17B. A handle hole 33 is formed in each pair of handle ribs 40A, 40B and 40C, 40D, and a handle 34 is attached to these handle holes 33. As shown in FIG. 4, the container 10 has a predetermined height h1 from the lower surface 42 of the handle rib 40 to the flat portion 17A. The height h1 is such that when the containers 10 are housed inside each other and stacked, and when the handle rib 40 of the upper container 10A abuts on the flat portion 17A of the lower container 10B, the height h1 of each of the upper and lower containers 10A, 10B is increased. It is decided to form a gap between the side wall portions 15, 15.

When the containers 10A and 10B are stacked vertically, the handle rib 40 is lowered downward by contacting the handle rib lower surface 42 of the upper container 10A with the flat portion 17A of the lower container 10B. Is regulated, and a predetermined vertical gap S1 (S1 = h1-H2) is secured between the bottom surface 18B of the outer peripheral rib 18 of the upper container 10A and the upper surface 13F of the bottom rib of the lower container 10B, and the upper container 10A is stopped. Position P2 is regulated above stop point P1. The stop point P1 indicates a stop position where the side walls are brought into close contact with each other when the containers 10A and 10B having no handle rib 40 are stacked vertically (see FIG. 12). Therefore, when the containers 10A and 10B are stacked, a gap is created between the side wall portions 15 and 15.

The handle 34 is made of flexible plastic and is formed in a tubular shape as shown in FIG. 6, and the outer diameter d1 of the handle 34 is slightly larger than the diameter d2 of the handle hole 33. It is formed. As shown in FIG. 7, the handle 34 is formed such that the arm portions 35 are inclined outward toward the handle hole insertion portions 36 at both ends. When the handle 34 is attached, the handle hole insertion portions 36 at both ends are bent inward and press-fitted into the handle hole 33 for attachment. The arms 35 of the handles 34 are held in pressure contact with the inner surfaces of the pair of handle ribs 40 facing each other. Therefore, the handle 34 can be stopped at any position.

FIGS. 8 and 9 show a modified example of the handle. The C-shaped handle 34A has a tubular shape as shown in FIG. 10 and has an outer diameter d1. It is formed slightly larger than the diameter d2 of the handle hole 33. As shown in FIG. 9, the handle 34A is formed such that the arms 35A are inclined inward toward the handle hole insertion portions 36A at both ends. When the handle 34A is attached, the handle hole insertion portions 36A at both ends are expanded outward so that the handle 34A is press-fitted into the handle hole 33 for attachment. The arm portion 35A of the handle 34A is held in pressure contact with the outer surface of each pair of handle ribs 40. Therefore, the handle 34A can be stopped at any position.

Next, the operation of the container 10 according to the above embodiment will be described. When the containers 10 are housed inside each other and stacked, when the upper container 10A is unloaded from the upper opening of the lower container 10B, the handle rib 40 of the upper container 10A abuts the flat portion 17A of the lower container 10B, The lowering of the upper container 10A is restricted, and the upper container 10A is stopped slightly above the stop point P1 (stop position P2). For this reason, a gap is formed between the side wall portions 15, 15 of both the containers 10A, 10B and they are stacked. Therefore, when removing the stacked containers 10, if they are lifted upward, they can be easily removed and no excessive stress or force is applied to the containers 10. It can be maintained well without degrading its performance. In addition, when a large number of containers 10 are stacked, the load of the large number of containers 10 passes through the rib 40 for the handle of the upper container 10A and the flat portion 17A of the lower container 10B, and Since it is transmitted only to the outer peripheral ribs 18 downward, lateral force is not applied to the side wall portion, and good container performance can be maintained.

In the above embodiment, the handle rib 40 is shown as the position restricting portion, but the present invention is not limited to this, and as shown by imaginary lines in FIGS. The stepped portion 20 may be provided instead of the handle rib 40. The step portions 20 are formed at the four corners inside the curved portion 13E of the container 110 so as to rise along the side wall portion 15 from the curved portion 13E. The step portion 20 is formed by securing a predetermined height h2 from the upper surface 13F of the bottom portion 13, that is, the upper surface 13F of the bottom rib 13A. The height h2 of the step portion 20 is set so that the upper surface 20A of the step portion 20 is located above the stop point P1 so that a gap is formed between the side wall portions 15 and 15 when the containers 110A and 110B are housed inside each other and stacked. Determined to be located slightly above. When the containers 110 are housed inside each other and stacked, when the upper container 110A is unloaded from the upper opening, the outside of the curved portion 13E of the upper container 110B abuts the stepped upper surface 20A of the lower container 110B, The container 110A is restricted from descending downward and is stopped slightly above the stop point P 1 (stop position P2). Therefore, when the containers 110A and 110B are stacked, a gap is created between the side wall portions 15 and 15. Although the step portion 20 is provided at four locations on the bottom portion 13 side, the present invention is not limited to this, and a plurality of step portions 20 may be provided at a desired location or the entire circumference thereof.

In the above embodiment, the length L of the recess 19 is set to be slightly longer than the length of the flat portion 17A of the lower container 10B that fits exactly into the recess 19 of the upper container 10A. It goes without saying that they can be set so that they almost match. Further, in the above-described embodiment, when the upper container 10A is turned and overlaps the lower container 10B, the peripheral portion 17 of the lower container 10B is fitted into the recess 19 of the upper container 10A at an angle of about 45 degrees. However, the angle may be any desired angle.

[0017]

[Effect of device]

 As described above, according to the present invention, since the position regulating portion that regulates the position between the containers at the time of stacking and forms the gap between the walls is formed in the container, the stacking and the removal can be easily handled. The performance of the container can be maintained and the life of the container can be extended.

[Brief description of drawings]

FIG. 1 is a plan view showing a container according to an embodiment of the present invention.

2 is a bottom view of the container of FIG. 1. FIG.

FIG. 3 is a partially cutaway side view of the container of FIG.

FIG. 4 is a cross-sectional view showing a main part of the container shown in FIG.

5 is a cross-sectional view showing a main part of the container of FIG.

FIG. 6 is a partially cutaway side view showing an attached state of a handle.

FIG. 7 is a plan view showing a handle.

FIG. 8 is a partially cutaway side view showing an attached state of another handle.

9 is a plan view showing the handle of FIG. 8. FIG.

FIG. 10 is a cross-sectional view showing the shape of the handle.

FIG. 11 is a perspective view showing a conventional container.

FIG. 12 is a front view showing a stacked state of conventional containers.

[Explanation of symbols]

 10, 110 Container 10A, 110A Upper Container 10B, 110B Lower Container 13 Bottom 14 Hole 15 Side Wall (Wall) 16 Slit (Hole) 20 Step (Position Restriction) 40 Rib for Handle (Position Restriction) P2 Stop Position

Claims (4)

[Scope of utility model registration request] 1. A container having a bottom portion having a large number of holes and a wall portion having a large number of holes extending toward an upper opening and being stackable inside each other. A container characterized in that a position restriction portion is formed to restrict the stop position of the container and form a gap between the walls. 2. The container according to claim 1, wherein the position restricting portion is composed of a protrusion provided outside the upper end of the wall portion. 3. The container according to claim 2, wherein the protrusions are provided as a pair at a plurality of predetermined positions, and each protrusion has a through hole through which a handle can be attached for each pair. 4. The container according to claim 1, wherein the position restricting portion is composed of a step portion which is formed so as to rise from the bottom portion along the wall portion.