KR20200040235A - Storage box - Google Patents

Abstract

The present invention relates to a storage box (100) having a container (20) and a lid (10), which comprises a circumferentially projecting rim (11) extending around the upper edge (24) of the vessel (20). The lid 10 has at least one locking projection 32 that reaches underneath the at least one locking web 21 projecting outwardly from the side wall 25 of the container 20 in the closed position. On the side walls of the container 20, a plurality of locking webs 21 are provided in a linear arrangement along the circumference. The cover 10 includes a plurality of inwardly directed locking projections extending over the circumference of the protruding rim 11 and engaging the locking web 21 on the container 20 by linear movement of the locking band 30. At least one locking band 30 with 32 is provided. This arrangement may be opposite, ie a movable locking band provided on the container and a locking web provided on the cover.

Description

Storage box

The present invention relates to a storage box according to the preamble of claim 1 and claim 8.

Since these boxes can be closed airtight and liquid, they are used, for example, in the kitchen to keep food fresh. For this purpose, the lid is pressed onto the upper edge of the container, whereby an elastomeric sealing ring is arranged between them. Although this type of storage container has proven its value in principle, it is still necessary to secure the cover and container to each other by means of a clip lock attached to the side edge of the cover that must engage the protruding web on the container to achieve a secure seal. Do.

For large storage containers with a correspondingly large circumference, the length of the clip lock cannot be extended to a large scale, but provides more clip locks that allow for tight closure with an acceptable locking force that can be exerted by the user. Should be. As a result, the user must engage or release a correspondingly large number of clip locks in order to close or open the arrangement of containers and lids.

An additional disadvantage is that the elastomeric sealing ring must have a high layer thickness in order to enable sufficient spring deflection and thus achieve the described sealing effect even in the area of the container and lid not directly interconnected through the clip lock. In the determination of the layer thickness of the sealing ring, the reset force of the sealing portion decreases during aging, so that in the new storage container, the spring deflection must be large enough to ensure a tight seal to the end of the intended useful life of the storage container. Should be considered. On the other hand, a large deflection results in a higher locking force exerted by the user.

Accordingly, it is an object of the present invention to provide an excellent sealable storage container that allows the lid to be easily and securely locked to the container with a low locking force and ensures a tight and liquid tight seal over the useful life.

This object is achieved by a storage box having the characteristics of both claims 1 and 8.

For the present invention for both embodiments, the locking protrusion is no longer placed on the pivotable clip lock, as is common in the prior art, and many locking protrusions are positioned in a chain-shaped linear arrangement over the circumference and at least one It is essential that they are connected to each other through a common locking band.

According to the invention, all the locking projections are operated simultaneously by a common locking band displaceable along the circumference. They are all locked to or released from each locking web on the counterpart simultaneously.

Since the locking band of the invented storage container extends over the entire circumference of the container or lid, and there is a uniform distribution of the locking projections over the entire circumference, almost uniform contact pressure is achieved over the entire length of the seal. Thus, the thickness of the sealing ring or sealing layer on the cover can be significantly minimized. Compared to the prior art, a reduction of less than half of the layer thickness is possible, which results in a corresponding saving in high quality materials for sealing rings such as silicone or thermoplastic elastomers.

According to a preferred aspect of the present invention, the fixed floating locking web has a slightly rising slope in the course of the linear displacement path required for closing, so that each locking protrusion on the locking band slides on the slope during the closing process. As a result, there is always a solid contact pressure of the sealing ring between the container and the lid.

The linear movement associated with the incline on each locking web provides an option for automatic adjustment. If the elasticity of the sealing reduction or deviation occurs in the shape of the container and / or lid with the seal, the tight seal can still be achieved only by a slightly longer linear displacement of the locking band.

In the storage box according to the invention, the length of the circumference of the container or lid is basically independent of the closing and sealing function, which, even for very large containers with a correspondingly large circumferential length, the interconnection locking projections on the locking band and This is because the number of fixed locking webs involved simply needs to be increased at any location in the circumference to generate a uniform contact pressure defined to the minimum required.

According to the invention, no main zone is left without a locking element. All peripheral regions are locked fairly simultaneously and uniformly when the locking band is displaced linearly along the circumference.

Another advantage of the present invention is that containers and lids made of different materials can be combined. For example, the container can be made of ceramic or glass, and the shape tolerances are significantly greater in these materials than the parts produced by injection molding, but nevertheless secure locking of the lid is possible by means of a locking band.

According to the invention, the lid and the container need not be made of a particularly soft material, since the force required for the mutual coupling of the parts is applied only by means of a tension-loaded locking band. Thus, the locking band can be made very thin and molded from a durable plastic such as polyethylene or polypropylene, but it can also be made from a metal band.

According to a preferred embodiment, the locking band is arranged on the cover on the outer circumference of the protruding rim of the cover or alternatively on the inner circumference. In the latter case, the thick portion on the actuating element, ie a locking band designed as a slide latch, extends outward through the recess of the protruding rim of the cover, and therefore is accessible from the outside. By means of the slide latch, the locking band arranged therein can be easily moved by the user.

In both embodiments, the locking web is arranged on the container, and the locking web is preferably designed as a section of continuous web molded on the side wall of the container. The web is interrupted by recesses having the same pitch, whereby the locking projections can be arranged on the locking band to allow the lid to be raised vertically upward from the container or to put the lid back on the container.

The locking web can be molded directly to the top edge of the container, but is preferably molded at a lower level with a vertical offset to the top edge of the container. Thereby, a continuous smooth upper edge having a uniform width, which is not affected by the locking web, is formed. Since the upper edge having no lateral protrusions has only a narrow width, it is required that only a narrow sealing ring or sealing layer be arranged inside the lid.

Alternatively, an opposite arrangement is possible which forms the storage container according to the invention. In this alternative embodiment, the locking band is disposed on the outer circumference of the container and has a locking projection projecting outwardly on the locking band. The counterpart on the lid is formed by a locking web molded vertically inside the circumferential rim of the downward facing lid. The locking web can be molded directly to the lower edge of the rim of the lid, or the locking web can be molded over the lower edge of the lid with a vertical offset relative to it.

For both alternative embodiments of the invention having an arrangement of locking bands on a lid or on a container, it is advantageous to provide an additional safety bracket pivotally mounted on the lid or on the container. The slide latch of the locking band in the closed position can be surrounded by a bracket, and when the safety bracket is popped up, it will be securely locked by the safety bracket. By this, accidental opening of the storage box is avoided.

It is also advantageous to form a locking band of bands with two ends that are combined through a positive locking means to form an endless locking band. Thus, production and assembly are simplified.

The present invention will be described in more detail with reference to the embodiments shown in the drawings. The drawings show each in perspective.
1 shows a closed storage box.
2 shows an exploded view of the storage box.
3 shows the open storage container with the lid removed.
4 shows the storage box in the closed position in partial sectional view.
5 shows a partially cut away storage box in perspective view with the lid in the open position.
6 shows the storage box in the open position with the lid removed.
7 shows a cover with an open locking band.

In FIG. 1, a storage box 100 consisting essentially of a container 20 and a lid 10 placed thereon is shown in perspective.

The cover 10 has a rim 11 protruding downward. On its outer circumference, the locking band 30 is guided by the edge on the projection 15 of the cover 10 and mounted so that it cannot slip. The locking band 30 has a slide latch 31.

The container 20 has a box shape with a smooth rounded corner. Rounded corners are provided not only for the design aspect but also for the functional aspect, since the locking band 30 needs to bend at the corner and a large radius causes less stress on the material.

In the closed position of the storage box 100 shown in FIG. 1, the slide latch 31 is secured by an additional safety bracket 14 which is attached and folded to the cover 10 by a living hinge. In order to keep the safety bracket 14 in its fixed position as shown in FIG. 1, the safety bracket is also engaged with a locking projection 13 on the cover 10.

In Figure 2, a storage box 100 with all essential components is shown in an exploded view. The locking band 30 with the slide latch 31 is an integral part of the cover, but is shown as separate from the cover 10 in FIG. 2. The locking band 30 has a plurality of locking projections 32, each designed as a semicircular disc.

The recess on the outer circumference of the protruding rim 11 of the cover 10 serves to receive and guide the locking band 30. The protruding rim 11 also has several slot-shaped recesses 12 through which the locking protrusion 32 of the locking band 30 can protrude into the interior of the cover 10.

You can see the upper edge region 23 in detail in the open container 20: at the bottom of the edge region 23, there is a web extending vertically outward from the side wall 25 and arranged under the upper edge 24. It is molded. The web has semi-circular recesses 22 at regular intervals designated to receive the locking projections 32 of the locking band. As the web is interrupted by the recess 22, a plurality of individual locking webs 21 are provided.

In Figure 3, an open storage container 20 with a fully assembled lid 10 is shown in position for use. The locking band 30 is arranged on the cover 10.

The locking projection 32 is engaged through the guide recess 12 of the protruding rim 11 and protrudes inward. A sealing ring 16 is molded on the inner circumferential area of the lid 10.

FIG. 4 shows the storage box 100 again in the closed position, as already shown in FIG. 1. In this position, the locking band 30 is positioned such that the slide latch 31 is positioned at a designated central position in front of the storage container 20 that can be secured through an additional safety bracket 14.

The partial section in FIG. 4 shows the function of the locking mechanism of the present invention: the lid 10 with the sealing ring 16 is positioned on the upper edge 24 of the container 20. Each locking projection 32 is located below one of the locking webs 21 extending between two adjacent recesses 22. By combining the locking projection 32 and the locking web 21, the lid 10 is securely fixed to the container 20, and an airtight and liquid tight seal is achieved and secured.

In FIG. 5, the open position of the storage box 100 is shown in a view similar to FIG. 4. The safety bracket 14 is folded downward so that the slide latch 31 of the locking band 30 can be freely moved. Compared to that position in Fig. 4, the slide latch 31 in Fig. 5 is moved clockwise approximately by the width of the latch. Thus, the locking projection 32 of the locking band 30 is positioned just below the recess 22 between the locking webs 21. Thus, the secure coupling between the container 20 and the lid 10 is withdrawn.

As shown in Fig. 6, the lid 10 can now be pulled out vertically upward. Conversely, the cover can also be put back on the container 20 in this position of the locking band 30, the locking projection 32 going down through the recess 22, and then the locking band 30 By returning to the closed position, it engages the locking web 21 again.

FIG. 7 shows in perspective view a cover 10 in which the locking band 30 has already been inserted into the corresponding receptacle on the outer circumference of the protruding rim 11. The locking band 30 is molded as a plastic band having two ends with mutual coupling means. At one end, a locking projection 31.2 is molded. At the other end, a slide latch 31 with an inner recess 31.1 is arranged. By locking the locking projection 31.2 into the recess 31.1, the stepless locking band 30 is slidably mounted on the outer circumference of the protruding rim 11 of the lid 10 and cannot slip therefrom. ) Is prepared.

Claims (14)

As a storage box 100 having a container 20 and a cover 10,
The lid 10 has a circumferential protruding rim 11 extending around the upper edge 24 of the container 20,
The lid 10 is in a storage box 100 having at least one locking projection 32 reaching below at least one locking web 21 projecting outwardly from the side wall 25 of the container 20 in a closed position. In,
-A plurality of locking webs 21 are provided in a linear arrangement along the circumference on the side wall 25 of the container 20,
-On the cover 10, a plurality of locking projections extending in the circumference of the protruding rim 11 and directed inwardly to engage the locking web 21 on the container 20 by linear movement of the locking band 30 Storage box 100, characterized in that at least one locking band (30) having a (32) is provided. A plurality of sidewalls (25) according to claim 1, wherein the side wall (25) of the container (20) serves as a conduit for the locking projection (32) when placing the cover (10) on the container (20) or displacing the cover therefrom. A storage box (100) characterized in that at least one web projecting outwardly having a side recess (22) is molded, and each locking web (21) is formed between adjacent recesses (22). The storage box (100) according to claim 2, characterized in that the locking web (21) is molded onto the upper edge (24) of the container (20). 3. Storage box (100) according to claim 2, characterized in that the locking web (21) is molded to the side wall (25) of the container (20) with a vertical offset relative to the upper edge (24). Storage box (100) according to any one of the preceding claims, characterized in that the locking band (30) has at least one protruding slide latch (31). The storage box (100) according to any one of the preceding claims, characterized in that the locking band (30) is arranged on the outer circumference of the protruding rim (11) on the lid (10). 7. The locking band (30) according to claim 5 or 6, which is arranged on the inner circumference of the protruding rim (11) on the lid (10), and the sliding latch (31) is a recess (22) of the protruding rim (11). ) Through the storage box characterized in that it protrudes outward. A storage box with a container and a lid, the lid having a circumferentially projecting rim reaching around the upper edge of the container, the container at least one lock reaching under at least one locking web projecting from the side wall on the lid in a closed position In the storage box having a projection,
-A plurality of locking webs are provided on the cover in a linear arrangement along the circumference,
-On the container, characterized in that it is provided with at least one locking band extending over the circumference of the side wall of the container and having a plurality of outwardly directed locking projections engaged with the locking web on the lid by linear movement of the locking web. Storage box. 9. The protruding rim of claim 8, wherein the protruding rim of the cover is molded with at least one inwardly protruding web having a plurality of edge side recesses that serve as conduits for the locking protrusion when the cover is placed on the container or when the cover is displaced therefrom. Storage box, characterized in that each locking web is formed between adjacent recesses. 10. The storage box of claim 9, wherein the locking web is molded on the lower edge of the lid. 10. Storage box according to claim 8 or 9, characterized in that the locking web is molded on the rim with a vertical offset relative to the lower edge of the lid. 12. The storage box according to any one of claims 8 to 11, wherein the locking band has at least one protruding slide latch. The storage box (100) according to any one of the preceding claims, characterized in that a safety bracket (14) is provided for fixing the slide latch (31) pivotally attached to the cover (10). ). Storage according to one of the preceding claims, characterized in that the locking band (30) is formed of a plastic strap with two ends which are connected to each other via mutually engaging form fitting means (31.1, 31.2). Box 100.

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