KR100992867B1 - Coupling structure for airtight container - Google Patents

Abstract

The present invention relates to a coupling structure of a sealed container, comprising a container body and a cover, wherein the cover is a packing groove for sealing so that a gap does not occur between the cover and the container body, and a packing inserted into the packing groove; And a second locking projection coupled to the first locking projection, and further comprising a locking blade portion integrally formed with the cover, wherein the locking blade portion is connected to an outer surface of a side surface of the cover, and from the connecting portion. Is formed to extend outward, the body portion is formed with the second locking projections, the connecting portion is formed to be inclined downward downward from the outer surface of the side of the cover, is formed to gradually decrease in thickness toward the outside of the cover, bending And an arc shape, wherein the main body has a different inclination and curvature from the connection portion. It is composed. According to the present invention, since the connecting portion between the lid and the locking wing portion is formed very thin as in the conventional sealed container, there is no need to make sharply, so there is no fear of cracking at the connecting portion, and the connecting portion from the manufacturing stage of the lid. Is formed to be inclined downward to the outside, there is no need to rotate more than 90 ° like the conventional sealed container during the use and combination operation of the sealed container, it is possible to prevent damage to the coupling portion despite frequent coupling and release There is this. It is characterized by.

Airtight Container, Cover, Hanging Blade, Slope

Description

COUPLING STRUCTURE FOR AIRTIGHT CONTAINER}

The present invention relates to a coupling structure of a sealed container, and more particularly, a sealed container having improved durability without a failure such as a broken blade part or cracking of the cover even when frequent coupling and release of the container body and the cover. It relates to the coupling structure of.

In general, a sealed container for storing food, such as vegetables, fruits, kimchi and so on not to be damaged for a long time is widely used in homes and restaurants. Such a sealed container is composed of a container body, a cover in which a packing is embedded so that the smell of food does not leak out, and a sealing structure that is detachably coupled between the cover and the container body.

As the conventional hermetically sealed container, as shown in Figure 1, it consists of a container body 100 made of synthetic resin or glass, and a lid 110 coupled to the open portion of the container body 100, It consists of a packing groove 111 for sealing so that a gap does not occur between the cover 110 and the container body 100, the packing 112 is inserted into the packing groove 111.

The container body 100 is formed with a first locking projection 101 protruding outward near the upper end of the container body, the cover 110, the locking wing further extended to a portion of the outer periphery outside The part 120 is formed. The locking blade 120 is formed with a second locking protrusion 121 coupled to the first locking protrusion of the container body, and configured to engage the first locking protrusion and the second locking protrusion by pressure.

In the conventional hermetically sealed container, the latching blade portion 120 is formed integrally with the lid, and as shown in FIG. 2A, the latching blade portion is used for the opening and closing of the lid when the sealed container is used. In order to be able to rotate with respect to, the engaging portion between the hook portion and the cover is formed in a structure that can be rotated around the connecting portion by forming a very thin thickness.

Conventional hermetic container having such a structure, when the locking blade portion of the cover is coupled to the container body, the second locking projection is carried over the lower surface of the first locking projection is engaged with the inner side of the first locking projection is engaged. Will be done. At the same time, the adhesive force is generated between the cover and the container body to compress the packing so that no gap is formed between the cover and the container body, thereby maintaining the sealing.

However, in the conventional airtight container, since the connecting portion between the locking wing portion and the cover is formed very thin in order to facilitate the rotation operation of the locking wing portion in the vicinity of the connection between the locking wing portion and the cover of the cover. There were problems such as cracking or breaking. When the user of the sealed container keeps food in the sealed container for a long time and then tries to open the sealed container, the sealed container is frozen, so when the container is opened with excessive force when opening, Breakage occurs.

In addition, in the conventional airtight container, in the manufacture of the cover in consideration of manufacturing convenience in consideration of the production of a mold, the injection of casting, etc., in consideration of the manufacturing convenience, the locking wing portion and the cover is manufactured and sold so as to be located on almost the same plane. have. For this reason, in the conventional hermetic container, since the engaging blade portion should be rotated by about 90 ° or more when the hermetic container is engaged and released, there is a problem that breakage is particularly likely between the cover and the engagement container.

The present invention is to solve the above-mentioned problems of the prior art, even if frequent coupling and release of the container body and the lid, the connection between the cover and the locking blade is not broken or cracks, such as failure does not occur and durability is improved It is an object to provide a coupling structure of a sealed container.

In order to achieve the above object, the coupling structure of the sealed container according to the present invention, the upper side is formed of the container body formed with a first locking projection near the upper end, and the cover is coupled to the open portion of the container body ,

The cover has a packing groove for sealing so that a gap does not occur between the cover and the container body, a packing inserted into the packing groove, and a second locking protrusion coupled to the first locking protrusion, the hook being integrally formed with the cover. It is configured to further include a wing,

The locking blade portion is formed of a connecting portion connected to the outer surface of the side of the cover, extending from the connecting portion to the outside, the main body portion formed with the second locking projections,

The connecting portion is characterized in that it is formed inclined downward from the outer surface of the side of the cover.

In addition, the connecting portion is characterized in that the thickness is gradually reduced toward the outside of the cover.

In addition, the connecting portion is curved, characterized in that formed in an arc shape.

The body portion is characterized in that it has a different inclination and curvature different from the connection portion.

According to the present invention having the configuration as described above, there is no fear of cracking at the connection because there is no need to form a very thin connection portion between the lid and the locking wing as in the conventional sealed container.

In addition, by forming the connecting portion inclined downward downward from the manufacturing step of the lid, it is not necessary to rotate more than 90 ° like the conventional sealed container during the use and combination operation of the sealed container, despite the frequent coupling and release There is an advantage that can prevent damage to the part.

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the coupling structure of the sealed container according to the present invention.

3 is a view showing a lid of the sealed container according to the present invention, Figure 4 is a view showing a sealed container according to the present invention.

As shown in Fig. 3 and Fig. 4, the sealed container 1 according to the present invention has a coupling structure of the sealed container according to the present invention, which is composed of a container body 2 and a lid 3.

The container body 2 may be made of synthetic resin such as plastic, glass, or the like, and the upper side of the container body is formed to be open. In the present embodiment, the sealed container is described as an example of a rectangular parallelepiped, but is not necessarily limited thereto, and may be formed in various shapes such as a cylindrical shape and a hexagonal column shape.

Near the upper end of the container body 2, the first locking projection (2a) that is engaged with the engaging blade portion to be described later is formed to protrude toward the outside of the container body.

The cover 3 is coupled to the container body 2. The cover is formed with a packing groove (4) for sealing so that a gap does not occur between the cover and the container body, and the packing (5) is inserted into the packing groove (4) is the same as a conventional sealed container, so Detailed description thereof will be omitted.

The cover has a locking wing portion 10 extending toward the outside from the outer peripheral surface of the cover. The locking blade 10 is formed integrally with the cover by a method such as being poured by casting at the same time to be connected to the cover at the time of mold manufacturing.

The locking wing portion 10 is composed of a connecting portion 20 connected to the side of the cover, and the main body portion 11 extending from the connecting portion, the main body portion is formed to protrude toward the lower side of the container body The second locking protrusion 12 is engaged with the first locking protrusion 2a.

The configuration of the first locking projections and the second locking projections is substantially the same as the configuration of the locking projections of the conventional sealed container, such that the second locking projections are carried over by the first locking projections when the locking projections are coupled.

The connection part 20 is integrally formed on the side wall of the cover and is inclined downward from the outer surface of the side surface of the cover. In the conventional hermetically sealed container, since the engaging blade portion and the lid are manufactured to be positioned on substantially the same plane, the engaging blade portion should be rotated by about 90 ° or more during the engagement and release of the hermetically sealed container. Although breakage occurs in the present invention, in the present invention, as described above, the connecting portion is integrally formed with the cover from the manufacturing step of the cover and at the same time as inclined outwardly downward, so that a rotation of 90 ° or more like a conventional airtight container is achieved. It does not need to be made to prevent damage to the joints despite frequent coupling and release.

In the present embodiment, the connecting portion is formed to be inclined at an angle of 30 ° to the outside downward, but is not necessarily limited to this, it can be configured to have an appropriate inclination according to the material constituting the cover and the connecting portion.

In addition, in order to more smoothly rotate the connection part, the connection part may be formed to gradually decrease in thickness toward the outside of the cover.

In addition, the connection portion may be configured to have a circular arc shape that is formed to be inclined downward and bent upwards, in order to smoothly rotate, in particular to prevent damage during the release operation.

In the present embodiment, the connecting portion has a length of approximately 2 to 5 mm from the outer surface of the cover, but is not limited to this example, it may be configured to an appropriate length according to the shape or size of the sealed container.

In addition, the connection portion and the main body portion may have the same inclination, but may be formed to have a different inclination. That is, the main body portion may be formed to be inclined upward from the opposite end point of the cover side of the connecting portion, or may be formed horizontally from the end point.

Although embodiments of the present invention have been shown and described, it will be apparent to those skilled in the art that the present embodiments may be modified without departing from the spirit or spirit of the invention. It is intended that the scope of the invention be defined by the claims appended hereto and their equivalents.

1 is a view showing a sealed container according to the prior art.

2 is a view showing a lid of a sealed container according to the prior art.

3 is a view showing a lid of the sealed container according to the present invention.

4 is a view showing a sealed container according to the present invention.

<Description of the symbols for the main parts of the drawings>

1: airtight container

2: container body 2a: first locking projection

3: cover

4: Packing groove

5: packing

10: hook wing

11: main body

12: second projection

20: connection part

Claims (4)

delete It is formed of the upper side is formed of a container body formed with a first locking projection near the upper end portion, and a cover coupled to the open portion of the container body, The cover is formed integrally with the cover having a packing groove for sealing so that no gap occurs between the cover and the container body, a packing inserted into the packing groove, and a second locking protrusion coupled to the first locking protrusion. It is configured to further include a wing, The locking blade portion is formed of a connecting portion connected to the outer surface of the side of the cover, extending from the connecting portion to the outside, the main body portion formed with the second locking projections, The connecting portion is formed to be inclined downward from the outer surface of the side of the cover, The connecting portion is a coupling structure of the sealed container, characterized in that the thickness is gradually formed toward the outside of the cover. 3. The coupling structure of a sealed container according to claim 2, wherein the connection part is bent to form an arc shape. The combination structure of a sealed container according to claim 3, wherein the main body portion has different inclination and curvature from the connection portion.

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