KR20200117928A - Prefabricated lid for airtight container - Google Patents

Abstract

The present invention relates to a prefabricated lid for a hermetic container and, more specifically, to a prefabricated lid for a hermetic container having excellent transparency. According to the present invention, the prefabricated lid for a hermetic container comprises: a lid body (210) having a coupling flange (211); a lid-edge member (230); and a packing (240) installed in a packing-mounting part (220).

Description

Assembly lid for airtight containers{PREFABRICATED LID FOR AIRTIGHT CONTAINER}

The present invention relates to an assembled lid for an airtight container, and more particularly, to a "assembled lid for an airtight container" that can apply a locking function so that food can be safely stored and stored without odor and moisture leakage.

In general, when food is stored in a refrigerator or the like, its own peculiar odor and moisture are lost. To prevent this, food is stored in an airtight container. This sealed container consists of a container body with an open top and a lid provided with locking wings to open and close the container body. The container body is injection-molded from synthetic resin into a square or cylindrical shape, and a storage space is formed inside. In addition, the open end of the side wall of the container body is provided to protrude a locking protrusion for engaging the locking blade of the lid. The locking blades are integrally formed to be pivotable outward along the edge of the lid, and each of them is provided with a locking protrusion so as to be caught by the locking protrusion. Therefore, when the lid is closed on the top of the container body and the locking wings are pushed downward, the locking jaws are elastically coupled to the locking protrusions of the container body, and the lid is securely locked. And when the locking wings are lifted upward, the locking jaw is released and the lid can be opened.

The container body and lid of such a conventional sealed container are molded of synthetic resin (PP), and product purchasing power is falling due to a negative image of environmental hormones peculiar to synthetic resin. In particular, the material for the container body and lid is polypropylene (polypropylene: aka PP), a thermoplastic resin obtained by polymerizing propylene, which has an advantage of excellent ductility, but has poor transparency.

In addition, recently, tritan resins having excellent transparency without causing environmental hormones have been used. Tritan resin is an eco-friendly new material newly developed by a company called Eastman Chemical in the United States, and refers to a pure polyethite raw material that does not contain plasticizers harmful to the human body, including bisphenol-A (BPA), a suspected environmental hormone. Since it has all the advantages (transparency), airtight container products are widely used. However, while Tritan resin has excellent transparency, it does not have ductility, so it cannot be applied to lid products with locking wings. In other words, when a lid product in which the locking blades used while repeatedly folding is integrally formed is molded with Tritan resin, the snap-hinge portion of the locking blades is easily damaged. To overcome these shortcomings; The container body is made of tritan resin as a raw material, and the lid with locking wings is made of polypropylene resin as a raw material. However, because the lid is made of a material made of fluoropropylene resin, which is not free from environmental hormones, consumers are losing product purchasing power.

The present invention is to solve this problem; An object of the present invention is to improve the lid structure to be integrated after separately manufacturing the lid body covering the open part of the container and the frame member provided with the locking wings, so that the product can be more diverse and has excellent transparency and is an eco-friendly transparent resin material. It is to provide a "assembled lid for sealed containers" that can effectively apply (Tritan, etc.).

The present invention for achieving this object is; In the assembled lid for a closed container capable of opening and closing the container provided with a locking protrusion at the edge of the open upper portion;

The prefabricated lid; It is injection-molded through a synthetic resin to cover the upper part of the container, a coupling flange protruding a certain distance along the edge is provided, an upper bead protruding upward is formed on the upper part of the coupling flange, and downwardly on the lower part of the coupling flange. A lid body having a lower bead protruding and forming a packing-seating portion with the coupling flange; It is made in the form of a ring to be coupled to surround the edge of the lid body, and forms an outer wall of the packing-seat portion on the inner side, and a straight wall to which the coupling flange of the lid body is inserted and coupled to the upper wall surface-and the lid body is combined The straight wall is provided on the upper part of the frame to cover the upper part of the flange, the upper bead is inserted, and the coupling slot is formed in a belt-shaped horizontal frame, and the straight wall is integrated through a snap hinge at regular intervals at the edge of the frame. A lid-border member having locking wings formed with locking jaws so as to be elastically caught on the locking projections of the container; A packing installed in the packing-receiving part formed by a combination of the lid body and the lid-border member and in close contact with the open upper part of the container; It characterized in that it is provided.

In addition, the present invention; A plurality of force coupling grooves extending in the horizontal direction are formed at regular intervals on the upper wall surface of the straight wall-edge; At the end of the coupling flange of the lid body, coupling jaws that are inserted and coupled to the forcing coupling grooves in a force fitting manner are provided at regular intervals.

In addition, the present invention; A seating groove is formed on the upper edge of the lid body so that the upper bead is inserted into and coupled to the coupling slot so that the horizontal lower end of the lid-border member is seated and accommodated.

According to the "assembled lid for an airtight container" according to the present invention made of the above configuration; The lid body covering the open part of the container and the lid-border member provided with locking wings are separately manufactured, and the products (assembled lids) are more diverse by assembling them reliably and integrally through the coupling flange, the upper bead, the direct wall-the frame and the coupling slot. It has the advantage of being able to produce a beautiful, excellent transparency, and effectively applying eco-friendly transparent resin materials (such as Tritan).

Further, according to the "assembled lid for an airtight container" according to the present invention; By coupling the coupling jaws to the forcing coupling groove in a force-fitting manner, there is an effect that the lid-rim member can be more reliably assembled at the edge of the lid body.

Further, according to the "assembled lid for an airtight container" according to the present invention; As the upper bead is coupled to the coupling slot, there is an advantage in that the coupling portion of the lid body and the lid-frame member is assembled in a more unity manner because the horizontal-inner bottom of the border is accommodated in the seating groove.

1 shows an assembly type lid according to the present invention applied to a ball-shaped sealed container.
2 is a perspective view of an assembled lid for a sealed container according to the present invention.
3 is an exploded view showing the assembly type lid according to the present invention.
4 is a cross-sectional view taken along line Ⅳ-Ⅳ of Fig. 3, showing an exploded cross-sectional structure of the prefabricated lid according to the present invention.
Figure 5 is a cross-sectional view showing the assembled state of the assembled lid according to the present invention.
Figure 6 is a cross-sectional view showing a state of use of the assembled lid according to the present invention.

Hereinafter, one preferred embodiment according to the present invention will be described in detail with reference to the accompanying drawings. Briefly explain the attached drawings; 1 to 5 are also showing the configuration of the prefabricated lid according to the present invention, Figure 6 shows the state of use of the prefabricated lid according to the present invention.

<Description of the configuration of the assembled lid assembly for a sealed container according to the present invention>

1 and 2; The sealed container assembly lid 200 according to the present invention is capable of opening and closing while applying a locking function to the container 100 provided with the locking protrusion 110 in the form of an outward flange at the open upper edge, the upper part of the container 100 The lid body 210, which is injection-molded through a synthetic resin to cover the lid body 210, and is coupled to wrap along the edge of the lid body 210, and at the edge, a lid-border member 230 formed integrally with a plurality of locking wings 235 , Consists of a packing 240 disposed along the bottom edge of the lid body 210.

The prefabricated lid 200 is integrated by fitting the lid body 210 and the lid-border member 230 separately and then being integrated, and the detailed structure of each component for this is as follows.

First, the lid body 210 is to be injection-molded through a synthetic resin to cover the upper portion of the container 100; As shown in FIGS. 3 and 4, a coupling flange 211 protruding extending in a horizontal direction at a certain distance is provided in the form of a strip at the edge of the lid body 210. In addition, the upper bead 212 protruding upward is formed on the upper part of the coupling flange 211, and the upper bead 212 protrudes downward from the lower part of the coupling flange 211 to form a packing-seat 220 together with the coupling flange 211 The lower bead 213 is formed. At the end of the coupling flange 211, coupling jaws 214, which are inserted and coupled in a force fitting manner into the force coupling grooves 237 to be described later, are provided to protrude at regular intervals. In an embodiment of the present invention, six coupling jaws 214 are configured at intervals of 60 degrees. And on the upper surface of the edge of the lid body 210, a seating groove 215 is formed in a belt shape so that the inner lower end of the horizontal-border 233 of the lid-border member 230 to be described later is seated and received.

In addition, in an embodiment of the present invention, the lid body 230 is formed in a shape that can cover the upper portion of the container 100 in a substantially dome shape; Its material is tritan resin, an eco-friendly new material. Tritan resin, which has the advantages of both plastic and glass, can be applied to the lid body 230 because the portion of the locking wing 235 requiring ductility is separately manufactured and assembled as described below.

And referring to Figures 3 and 4; The lid-border member 230 is formed in a ring shape to be coupled to surround the edge of the lid body 210 and is manufactured through a synthetic resin injection mold; The inner packing-forming the outer wall of the seating portion 220, and a direct wall-border 231 to which the coupling flange 211 of the lid body 210 is inserted and coupled to the upper wall surface, and the coupling flange 211 of the lid body 210 ) To cover the upper part of the straight wall-border 231, and the coupling slot 232 to which the upper bead 212 is fitted and coupled is a horizontal-border 233 and a straight wall-border 231 It is made integrally through the snap hinge 234 at regular intervals at the edge of the container 100 and is defined as locking wings 235 having a locking jaw 236 so as to be elastically caught on the locking protrusion 110 of the container 100 . In addition, a plurality of force coupling grooves 237 extending in the horizontal direction are formed at regular intervals on the upper wall surface of the straight wall-edge 231. As described above, in the forcing coupling groove 237, the coupling jaws 214 formed on the coupling flange 211 of the lid body 210 are each forcibly coupled, which is also 6 at intervals of 60 degrees in the embodiment of the present invention. There is a dog.

In an embodiment of the present invention, the lid-rim member 230 is molded from a polypropylene resin capable of exhibiting excellent ductility in the snap hinge 234, which is combined with the lid body 210 made of tritan resin to form a closed container For constituting the prefabricated lid 200. That is, if the lid body 210 is pushed upward from the bottom to the inside of the lid-border member 230; As shown in Figure 5, the upper bead 212 is inserted into the coupling slot 232, the coupling jaws 214 are forcibly fitted into the forcing coupling grooves 237, and the coupling flange 211 is directly wall- By being completely inserted and coupled to the inside of the rim 231, the lid-the rim member 230 and the lid body 210 are combined to form the assembled lid 200. In addition, when the lid-border member 230 and the lid body 210 are coupled; The horizontal side of the lid-border member 230-the inner lower end of the border 233 is seated and received along the mounting groove 215, and the lower bead 213 and the coupling flange 211 and the direct wall-frame 231 are combined to Forms an open packing-seat portion 220.

And the packing 240 is installed under the edge of the lid body 210, that is, the lid body 210 and the lid-border member 230 is assembled to be received and installed in the packing-seat portion 220 formed to open the container 100 By being in close contact with the upper portion, it is possible to seal the container 100 by this. In the embodiment of the present invention, it is preferable that the packing is made of silicone which is harmless to the human body and has excellent sealing power.

On the other hand, if the lid body 210 is coupled to the lid body 210 immediately after injection-molding of the lid-border member 230 is manufactured, that is, in a state where complete curing has not been performed, a more robust coupling is achieved. That is, the lid-border member 230 undergoes a shrinkage change of approximately 12/1000 in the process of being cured after being molded due to the nature of the material. Even without a member, it is solidly integrated with the edge of the lid body 210.

After all, if the lid assembly 200 is configured to have the above structure; By combining the lid body 210 made of tritan, an eco-friendly material that has the advantages of plastic and glass as it is, with a lid-rim member 230 made of polypropylene resin capable of exhibiting considerable ductility, the lid body 210 ) And the portion of the locking wing 235 can be made of different materials. Accordingly, by manufacturing the lid-border member 230 with different colors, the prefabricated lid 200 product can be more diversely produced, and tritan resin, which is excellent in transparency and an eco-friendly material, can be effectively applied. In particular, a new tritan material can be applied to the prefabricated lid 200 and a locking function can also be implemented by integrating the locking wings 235 requiring ductility.

<Description of use of the assembled lid according to the present invention>

Next, the state of use of the assembled lid for a sealed container according to the present invention configured as described above will be described with reference to FIG. 6.

First, when the assembly type lid 200 according to the present invention is covered on the upper part of the container 100, the open upper edge of the container 100 comes into contact with the packing 240 disposed at the lower surface of the lid body 210.

In this state, when pressing the locking wings 235 of the assembled lid 200 downward, the locking jaw 236 is caught by the locking protrusion 110 while turning the snap hinge 234 as a starting point. At this time, since the locking jaw 236 of the locking wing 235 is fixed while being elastically deformed, the locked state is not released unless an artificial force is applied.

On the other hand, when holding the locking wing 235 and lifting it upward, the portion of the locking jaw 236 of the locking wing 235 is elastically deformed and escapes from the locking protrusion 110. Accordingly, the container 100 can be easily opened by releasing the locking state of the locking blades 235.

On the other hand, in the embodiment of the present invention, the prefabricated lid 200 for an airtight container has been described as a circular type, but it is not limited thereto, and the technical idea of the present invention can be applied to the prefabricated lid of a square or rectangular shape.

100.. container 110.. locking projection 200.. lid assembly
210.. lid body 211.. coupling flange 212.. upper bead
213..lower bead 214..joining jaw 215..seating groove
220..packing-seat 230..lid-border member 231..direct wall-border
232..Combination slot 233..Horizontal-border 234..Snap hinge
235..locking wing 236..locking jaw 237..inhibiting coupling groove
240..packing

Claims (3)

In the prefabricated lid 200 for a closed container capable of opening and closing the container 100 provided with the locking protrusion 110 at the edge of the open upper part;
The prefabricated lid 200 is;
It is injection-molded through synthetic resin to cover the upper portion of the container 100, and a coupling flange 211 protruding a certain distance along the edge is provided, and an upper bead 212 protruding upward on the upper part of the coupling flange 211 ) Is formed, the lower bead 213 protrudes downward from the coupling flange 211 and forms the packing-seat 220 together with the coupling flange 211, the lid body 210 and;
It is made in a ring shape so as to be coupled to surround the edge of the lid body 210, and forms an outer wall of the packing-seat 220 on the inner side, and the coupling flange 211 of the lid body 210 is on the upper wall surface. It is provided on the top of the straight wall-border 231 so as to cover the upper portion of the straight wall-border 231 and the coupling flange 211 of the lid body 210, and the upper bead 212 is fitted and coupled. The coupling slot 232 is formed integrally with a horizontal-border 233 formed in a strip shape and a snap hinge 234 at regular intervals at the edge of the straight wall-border 231, and the locking protrusion of the container 100 A lid-border member 230 having locking blades 235 having locking jaws 236 formed so as to be elastically caught on 110;
A packing 240 that is installed on the packing-receiving part 220 formed by a combination of the lid body 210 and the lid-border member 230 and in close contact with the open upper part of the container 100; Assembled lid for an airtight container, characterized in that provided. The method of claim 1,
A plurality of force coupling grooves 237 extending in the horizontal direction are formed at regular intervals on the upper wall surface of the straight wall-edge 231;
Assembled lid for a sealed container, characterized in that at the end of the coupling flange 211 of the lid body 210, coupling jaws 214 inserted into the forcing coupling grooves 237 in a force fitting manner are provided at regular intervals. The method of claim 1,
On the upper surface of the edge of the lid body 210, the upper bead 212 is inserted into and coupled to the coupling slot 232 so that the inner lower end of the horizontal-border 233 of the lid-border member 230 is seated and received. Assembled lid for a sealed container, characterized in that (215) is formed.

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