WO2016167535A1

WO2016167535A1 - Sealed container

Info

Publication number: WO2016167535A1
Application number: PCT/KR2016/003829
Authority: WO
Inventors: 이재원
Original assignee: 이재원
Priority date: 2015-04-15
Filing date: 2016-04-12
Publication date: 2016-10-20
Also published as: KR101613482B1; JP2018502787A; JP6446558B2; US20180002075A1; CN107108089A

Abstract

The present invention relates to a packing unit and a sealed container comprising the same, the packing unit being capable of improving the sealing function of a container unit and firmly fixing a cap unit to the container unit, in connection with containing/storing various kinds of contents in the container unit. To this end, the sealed container comprises: a container unit having a receiving space provided to receive contents; a cap unit for opening/closing the receiving space provided in the container unit; a packing unit for sealing between the container unit and the cap unit; and a rotating close-contact unit formed such that, as the cap unit is moved/rotated towards the container unit, the cap unit and the container unit engage with each other.

Description

Airtight container

The present invention relates to a sealed container, and more particularly to a sealed container capable of improving the sealing function of the container unit and storing the lid unit firmly in the container unit in storing and storing various contents in the container unit. .

Generally, vegetables, fruits, foods to be cooked, cooked foods, etc. are kept intact for a long time, and at the same time, a packing is built in the lid so that the peculiar smell of the food does not leak out. Hermetically sealed containers that are capable of being combined and sealed have been commonly used.

Such a sealed container includes a container body having an open top, a lid coupled to an upper opening of the container body, and a packing groove formed along the tip of the bottom of the lid so that a gap does not occur between the lid and the container body, and a packing groove. It is composed of a packing to be inserted, a locking projection protruding from the upper edge of the container body, and a wing member formed in a streamline shape while a portion is further extended outward along the outer circumference of the lid. In particular, the wing member is formed integrally with the outer periphery of the lid, at this time, because the thickness of the hinge portion is formed to be thin, the wing member is pivotally coupled around the hinge portion and is engaged with the locking jaw to seal the inside of the container body. .

In addition, the sealed container is a container body with an open top, a lid coupled to the upper opening of the container body, a packing groove formed along the tip of the bottom of the lid so as not to generate a gap between the lid and the container body, and a packing groove It includes a packing that is inserted in, the cap is formed on the outer periphery of the top of the container, and the screw is formed so that the screw thread is formed on the inner periphery of the lid to seal the inside of the container body.

However, such a hermetically sealed container has a problem in that the hinge part is deformed and damaged due to the repeated rotation of the wing member, and the wing part is separated from the lid or the adhesion between the patting and the container body is reduced.

An object of the present invention is to solve the conventional problems, in storing and storing various contents in the container unit, to improve the sealing function of the container unit, to provide a sealed container that can be firmly fixed to the lid unit in the container unit. Is in.

According to a preferred embodiment for achieving the above object of the present invention, the sealed container according to the present invention comprises a container unit having a receiving space for accommodating the contents; A lid unit for opening and closing the accommodation space provided in the container unit; A packing unit sealing the container unit and the lid unit; And a rotational contact unit formed to engage with each other as the lid unit is moved and rotated toward the container unit, wherein the rotational contact unit includes an adhesion wing part provided at an inlet side of the accommodation space to contact the packing unit. ; A first fitting protrusion part spaced apart from each other to protrude from the contact blade part; A first fitting groove provided on the close wing and recessed by two adjacent first fitting protrusions; A shielding ring protruding from the lid unit to surround the inlet of the accommodation space; A second fitting protrusion formed to be spaced apart from each other to correspond to the first fitting groove so as to form a rotation path groove into which the first fitting protrusion is inserted; And a second fitting groove provided in the screening ring part and recessed by two second fitting protrusions adjacent to each other to correspond to the first fitting protrusion so as to communicate with the rotation path groove. When the lid unit is coupled, the first fitting protrusion is inserted into the second fitting groove, and the second fitting protrusion is inserted into the first fitting groove, and according to the relative rotation between the container unit and the lid unit. The first fitting protrusion is engaged with the second fitting protrusion via the rotation path groove.

The sealed container according to the present invention comprises a container unit having a receiving space for containing the contents; A lid unit for opening and closing the accommodation space provided in the container unit; A packing unit sealing the container unit and the lid unit; And a rotational contact unit formed to engage with each other as the lid unit is moved and rotated toward the container unit, wherein the rotational contact unit includes an adhesion wing part provided at an inlet side of the accommodation space to contact the packing unit. ; A first fitting protrusion formed to be spaced apart from each other at an edge of the lid unit; A first fitting groove provided at an edge of the lid unit and recessed by two adjacent first fitting protrusions; A shielding ring portion protruding from the contact wing portion so as to surround the edge of the lid unit; A second fitting protrusion formed to be spaced apart from each other to correspond to the first fitting groove so as to form a rotation path groove into which the first fitting protrusion is inserted; And a second fitting groove provided in the screening ring part and recessed by two second fitting protrusions adjacent to each other to correspond to the first fitting protrusion so as to communicate with the rotation path groove. When the lid unit is coupled, the first fitting protrusion is inserted into the second fitting groove, and the second fitting protrusion is inserted into the first fitting groove, and according to the relative rotation between the container unit and the lid unit. The first fitting protrusion is engaged with the second fitting protrusion via the rotation path groove.

Here, the packing unit, a packing body portion provided with a long through-hole along the longitudinal direction; A close locking portion protruding or recessed on an outer circumferential surface of the packing body portion; And an adhesion fixing part protruding or recessed from an outer circumferential surface of the packing body part at an edge of the adhesion locking part along the circumferential direction of the packing body part.

The packing unit may further include a packing support part protruding from the packing body part to the through hole so as to partition the through hole.

Here, the packing support portion, the pressing support portion extending in the height direction from the packing body portion; And a dispersing support extending from the pressure supporting part inclined downward toward the edge side of the packing lock part or the packing fixing part in the circumferential direction of the packing body part.

Here, the rotational close contact unit further includes at least one of a first catching portion protruding from the first fitting protrusion and a second catching portion protruding from the rotation path groove corresponding to the second fitting protrusion. do.

Here, at least one of the first catching portion and the second catching portion forms a plurality of steps along the rotational direction of the lid unit.

According to the sealed container of the present invention, in storing and storing various contents in the container unit, it is possible to improve the sealing function of the container unit, and to securely fix the lid unit in the container unit.

In addition, the present invention is to increase the contact area with the container unit through the detailed configuration of the packing unit, to ensure that the packing body portion is located in the sealed groove, according to the pressing force between the container unit and the lid unit, the close lock portion and the close fixing part It prevents the insertion into the sealed groove, and the packing unit can be easily attached and detached from the sealed groove.

In addition, the present invention is to increase the elastic force of the packing body portion through the detailed configuration of the packing unit, to prevent distortion of the packing unit or distortion of the packing unit, and to minimize the frictional force of the packing unit when the lid unit is rotated in the container unit Can be.

In addition, the present invention disperses the force (pressure) applied to the packing unit while preventing the elastic deformation of the packing body portion through the detailed configuration of the packing unit, provides a uniform pressing force to the close contact portion, the close lock portion and the close wing portion It can increase the sealing force between.

In addition, the present invention can be easily detachable to the container unit and the lid unit by combining the rotation method and the hook method through the rotational close contact unit, it is possible to increase the contact area of the packing unit to improve the sealing force of the container unit.

In addition, the present invention facilitates the separation, washing, and coupling of the packing unit through the detailed configuration of the lid unit, facilitates hygiene management of the sealed container, and can stably fix the packing unit. In addition, it is convenient to discharge the air remaining in the receiving space of the container unit, it is possible to reduce the dispersal of the contents contained in the container unit.

In addition, the present invention is to suppress or prevent the packing unit from contacting the outside air in the combined state through the detailed configuration of the rotational close unit, to increase the adhesion of the packing unit, and the overlap between the insertion protrusion and the fitting protrusion and the fitting protrusion It is easy to improve the stability of the coupling of the container unit and the lid unit.

In addition, the present invention maintains the overlapping state between the fitting protrusions through the detailed configuration of the rotational close contact unit, to prevent the lid unit from being separated from the container unit by a separate external impact, and to support the packing unit by pressing the elasticity of the packing unit The deformation state can be maintained. In addition, the present invention can increase the pressing force of the packing unit in the overlapping state between the fitting protrusions, it is possible to improve the sealing force by the packing unit. In addition, the present invention can simplify the structure and simplify the production.

1 is a perspective view showing a sealed container according to an embodiment of the present invention.

Figure 2 is an exploded view showing a sealed container according to an embodiment of the present invention.

3 is a cross-sectional view showing a packing unit according to an embodiment of the present invention.

Figure 4 is a bottom view showing a rotational close contact unit provided in the container unit in a sealed container according to an embodiment of the present invention.

Figure 5 is a bottom view showing a rotational close contact unit provided in the lid unit in a sealed container according to an embodiment of the present invention.

Figure 6 is an exploded cross-sectional view showing a combined state of the sealed container according to an embodiment of the present invention.

7 is a cross-sectional view showing a coupling state of the sealed container according to an embodiment of the present invention.

8 is a cross-sectional view showing a coupling state of the rotational close unit in a sealed container according to an embodiment of the present invention.

9 is a cross-sectional view showing another coupling state of the rotational close unit in the sealed container according to an embodiment of the present invention.

Hereinafter, an embodiment of a sealed container according to the present invention with reference to the accompanying drawings. At this time, the present invention is not limited or limited by the embodiment. In addition, in describing the present invention, a detailed description of known functions or configurations may be omitted to clarify the gist of the present invention.

1 is a perspective view showing a sealed container according to an embodiment of the present invention, Figure 2 is an exploded view showing a sealed container according to an embodiment of the present invention, Figure 3 is a packing according to an embodiment of the present invention Figure 4 is a cross-sectional view of the unit, Figure 4 is a bottom view showing a rotational close unit provided in the container unit in a sealed container according to an embodiment of the present invention, Figure 5 is a closed container according to an embodiment of the present invention Figure 6 is a bottom view showing a rotational close contact unit provided in the lid unit, Figure 6 is an exploded cross-sectional view showing a combined state of the sealed container according to an embodiment of the present invention, Figure 7 is a sealed according to an embodiment of the present invention 8 is a cross-sectional view showing a coupling state of the container, Figure 8 is a cross-sectional view showing a coupling state of the rotational close unit in a sealed container according to an embodiment of the present invention, Figure 9 is a sealed container according to an embodiment of the present invention Of rotary contact unit It is sectional drawing which shows another coupling state.

1 to 9, a sealed container according to an embodiment of the present invention includes a container unit 10, a lid unit 20, a packing unit 30, and a rotational close unit 40. .

The container unit 10 accommodates the contents for storage. The container unit 10 is provided with a recessed space 11 for receiving the contents. Here, the container unit 10 is not limited to the flat cross-sectional shape or the inlet cross-sectional shape of the receiving space 11, but may have various shapes such as a circular cross section, an elliptical cross section, and a polygonal cross section.

The inlet edge of the container unit 10 is provided with a close wing 41 to be described later.

The lid unit 20 opens and closes the accommodation space 11 provided in the container unit 10. The lid unit 20 may include an elastic plate portion 21 and a fixed plate portion 22.

The elastic plate portion 21 is elastic and elastically deformed by an external force. The elastic plate portion 21 may be formed in a plate shape of the same size or smaller than the inlet cross-sectional shape of the receiving space (11).

The fixing plate part 22 surrounds and supports the edge of the elastic plate part 21. The fixing plate part 22 may be harder than the elastic plate part 21 and may have a slight elasticity, but may substantially maintain the external appearance of the lid unit 20.

The sealing plate 24 may be formed in the fixing plate 22.

The lid unit 20 may be formed with a recessed recess 24 for fitting the packing unit 30 to the fitting. The sealing groove 24 allows the packing body 31 to be tightly inserted. The inlet of the sealing groove 24 is provided with a limiting jaw portion 25 so that the close fixing portion 34 is supported. The limiting jaw portion 25 supports the close fixing portion 34 and prevents the close fixing portion 34 from being inserted into the sealing groove 24.

A gripping protrusion 26 may protrude from the lid unit 20. The gripping protrusions 26 increase the contact area or frictional force with the user when the user pushes the lid unit 20 toward the container unit 10 to rotate the lid unit 20 in the container unit 10. 20) can be easily pressed to rotate.

The packing unit 30 seals between the container unit 10 and the lid unit 20. The packing unit 30 has elasticity and is elastically deformed by an external force.

The packing unit 30 may include a packing body part 31, a close contact lock part 33, and a close contact fixing part 34, and further include a packing support part 35.

The packing body portion 31 has a hollow ring shape to form an endless track corresponding to the inlet of the receiving space 11 of the container unit 10 to be described later. The through hole 32 is formed in the packing body part 31 in a lengthwise direction. The packing body 31 is formed in a circular cross section, but is not limited thereto, and may be formed in various forms such as an elliptical cross section and a polygonal cross section.

The close lock 33 is formed protruded or recessed on the outer circumferential surface of the packing body 31. The close contact portion 33 is formed long along the longitudinal direction of the packing body portion 31, a plurality may be formed protruded or recessed. Accordingly, the plurality of close lock portions 33 may form a cross-sectional shape of the concave-convex shape on a part of the circumference of the packing body portion 31. Here, it is not limited to the cross-sectional shape of the close contact portion 33, it can be formed in various forms such as a circular cross section, elliptical cross section, polygonal cross section.

The close lock 33 is elastically deformed and tightly supported on the side of the container unit 10 when the lid unit 20 is coupled to the container unit 10 to be described later.

The adhesion fixing portion 34 protrudes or is formed on the outer circumferential surface of the packing body portion 31 at the edge of the adhesion locking portion 33 along the circumferential direction of the packing body portion 31. The close fixing part 34 may be formed long in the longitudinal direction of the packing body part 31. The close fixing part 34 may be formed at both sides of the close locking part 33 as shown in FIG. 1. Accordingly, the close contact lock part 33 may be provided between the close contact fixing parts 34. In addition, the adhesion fixing part 34 may be formed on one side of the adhesion locking part 33.

The close fixing part 34 may be supported at the inlet of the sealing groove 24 of the lid unit 20 to be described later to prevent the close locking part 33 from being inserted into the closing groove 24 according to the elastic deformation. .

The packing support part 35 protrudes from the packing body part 31 to the through hole 32 so as to partition the through hole 32. A plurality of packing support parts 35 may be provided along the inner circumferential surface of the through hole 32 of the packing body part 31.

In particular, the packing support part 35 is inclined upward from the edge side of the close contact lock part 33 or the close contact fixing part 34 in the circumferential direction of the packing body part 31 to the through hole 32. Protruding may be formed. In addition, a plurality of packing support parts 35 may be radially disposed from the center of the through hole 32 and may be connected to the packing body part 31.

Accordingly, when the packing unit 30 is elastically deformed, the elastic deformation of the packing body part 31 and the close contact lock part 33 may be limited and the adhesion force may be increased.

The packing support part 35 may include a pressure support part 36 and a dispersion support part 38.

The pressure support part 36 extends in the height direction from the packing body part 31. The pressure support part 36 may connect the upper end part of the through hole 32 and the dispersion support part with respect to the height direction of the packing body part 31. Although not shown, the pressure supporting part 36 connects the upper end of the through hole 32 and the lower end of the through hole 32 with respect to the height direction of the packing body part 31 so as to close the contact lock part 33. Can support the central part of the.

The pressing support part 36 limits the elastic deformation in the height direction of the packing body part when the packing unit 30 is elastically deformed, and the close contact part 33 and the close fixing part 34 will be described later. It can be suppressed or prevented from being inserted into the closed groove 24 of the lid unit 20.

The dispersion support 38 extends inclined downward from the pressure support 36. The dispersion support part 38 may connect an end side of the close contact lock part 33 along the circumferential direction of the pressure support part 36 and the packing body part 31. In addition, the dispersion support 38 may connect the pressure support 36 and the close fixing portion 34 side.

When the packing unit 30 is elastically deformed, the dispersion supporting part 38 expands the contact area of the close contact lock part 33 by expanding the close contact lock part 33 and the close contact fixing part 34. ) Can be prevented or prevented from being inserted into the sealing groove 24 of the lid unit 20 to be described later the close fixing portion 34.

The packing unit 30 is provided in the lid unit 20.

The packing unit 30 may be detachably inserted into the sealing groove 24 provided in the lid unit 20. Then, the packing unit 30 may be inserted into the sealing groove 24 so that the close contact portion 33 and the close fixing portion 34 is exposed or protruded.

In addition, the packing unit 30 may be integrally formed with the lid unit 20. The packing unit 30 may be integrally formed on the lid unit 20 through a double injection or a separate molding process.

The rotational close contact unit 40 is formed so that the two members are engaged with each other as the lid unit 20 is moved to rotate the container unit 10 side.

The rotational close contact unit 40 has a close contact with the blade 41, the first fitting protrusion 411, the first fitting groove 412, the shielding ring 43, the second fitting protrusion 421, The second fitting groove 422 may be included, and the auxiliary wing 42 may be further included.

The close wing 41 is provided at the inlet of the receiving space 11 so that the packing unit 30 abuts. The adhesion wing part 41 may be in contact with the adhesion lock part 33 or the adhesion lock part 33 may be in contact with the adhesion fixing part 34. The close wing 41 may be provided with a close contact 414 to form a movement path of the close lock 33 when the lid unit 20 is rotated in the container unit 10. The close contact portion 414 may be recessed or protruded from the close wing 41, smooth the movement of the close contact lock portion 33 as it rotates, and the contact area with the close contact lock portion 33. You can increase it.

Although not shown, the close wing 41 may be provided to be inclined upward at the inlet of the accommodation space (11). At this time, it is advantageous that all or part of the fixing plate 22 with respect to the elastic plate 21 is bent in substantially parallel to the contact wing 41. Since the contact blade part 41 is inclined upward, the contact force between the packing unit 30 and the contact wing part 41 may be further increased.

The first fitting protrusion 411 is projected to be spaced apart from each other along the circumference of the container unit 10 in the close wing 41.

The first fitting groove 412 is provided in the close wing 41. The first fitting groove 412 is recessed by two adjacent first fitting protrusions 411.

The shielding ring portion 43 is formed to protrude from the lid unit 20 so as to surround the close wing portion 41. The blocking ring portion 43 is formed to protrude from the edge of the lid unit 20 so as to intersect with the lid unit 20. The blocking ring 43 may be provided with the gripping protrusions 26 for holding the user.

The shielding ring 43 may prevent the packing unit 30 from being exposed to the side portion at the combination of the container unit 10 and the lid unit 20, and may have a beautiful appearance.

The second fitting protrusion 421 is spaced apart from each other to the shielding ring 43 so as to form the rotation path groove 44 into which the first fitting protrusion 411 is inserted. The second fitting protrusion 421 protrudes from the blocking ring part 43 in correspondence with the first fitting groove 412.

The second fitting groove 422 is provided in the shielding ring 43. The second fitting groove 422 is recessed and formed by two second fitting protrusions 421 adjacent to each other so as to communicate with the rotation path groove. The second fitting groove 422 is recessed in the shielding ring 43 to correspond to the first fitting protrusion 411.

The second fitting protrusion 421 and the second fitting groove 422 may be provided in the auxiliary wing 42 extending from the blocking ring 43.

When the lid unit 20 is coupled to the container unit 10, the first fitting protrusion 411 is inserted into the second fitting groove 422, and the second fitting protrusion 421 is connected to the first fitting protrusion 421. It is inserted into the fitting groove 412. Then, the first fitting protrusion 411 is moved along the rotation path groove 44 as the relative rotation between the container unit 10 and the lid unit 20 and the second fitting protrusion 421. The lid unit 20 may be fixed to the container unit 10 by being engaged to overlap each other. At this time, the packing unit 30 is elastically deformed between the close wing 41 and the lid unit 20 so that at least the close lock 33 is in close contact with the close wing 41.

In this case, the rotational close contact unit 40 may further include at least one of the first catching portion 413 and the second catching portion 442 as shown in FIGS. 8 and 9. The first catching portion 413 is protruded or recessed in the first fitting protrusion 411, and the second catching portion 442 corresponds to the second fitting protrusion 421 in the rotation path groove 44. Protruding or recessed in).

Then, any one of the first catching portion 413 and the second catching portion 442 protrudingly formed is closely supported in the rotation path groove 44 so that the lid unit 20 in the container unit 10. Can be fixed stably. In particular, when both of the first catching part 413 and the second catching part 442 are provided, the first fitting part 411 and the second fitting part 421 correspond to the mutual engagement of the first fitting part 411. The first locking portion 413 and the second locking portion 442 may be coupled to each other to stably fix the lid unit 20 in the container unit 10.

In addition, at least one of the first catching portion 413 and the second catching portion 442 may form a step number of dogs along the rotation path groove 44 as shown in FIGS. 8 and 9. have.

Then, as the first fitting protrusion 411 and the second fitting protrusion 421 are engaged with each other, the gap between the container unit 10 and the lid unit 20 is narrowed to be contacted by the packing unit 30. Area and adhesion can be increased.

Although not shown, the rotational close contact unit 40 may be modified as follows.

The close wing 41 is provided at the inlet side of the receiving space 11 as described above.

The first fitting protrusion 411 is formed to protrude spaced apart from each other at the edge of the lid unit 20.

The first fitting groove 412 is provided at the edge of the lid unit 20 and is recessed by two adjacent first fitting protrusions 411.

The shielding ring portion 43 protrudes from the close wing portion 41 so as to surround the edge of the lid unit 20. The blocking ring 43 may be provided with the gripping protrusions 26 for holding the user.

The second fitting protrusion 421 is spaced apart from the shielding ring 43 to correspond to the first fitting groove 412 to form a rotation path groove 44 into which the first fitting protrusion 411 is inserted. Is formed to protrude.

The second fitting groove 422 is provided in the shielding ring 43 and communicates with the rotation path groove 44. The second fitting groove is recessed by two second fitting protrusions 421 adjacent to each other in correspondence with the first fitting protrusion 4111.

Although not shown, any one of the container unit 10 and the lid unit 20 may be provided with a handle (not shown) for the user to hold. The handle (not shown) may be detachable from the container unit 10 or the lid unit 20. The handle (not shown) is provided to facilitate the movement or transportation of the sealed container, and when moving or transporting the sealed container, the user does not need to directly contact the container unit 10 or the lid unit, the user By the body temperature of the contents contained in the accommodation space 11 can be prevented from being altered.

According to the sealed container described above, in storing and storing various contents in the container unit 10, the sealing function of the container unit 10 is improved, and the lid unit 20 is firmly secured in the container unit 10. Can be fixed.

In addition, through the detailed configuration of the packing unit 30 to increase the contact area with the container unit 10, and to ensure that the packing body portion 31 is positioned in the sealed groove 24, the container unit In accordance with the pressing force between the 10 and the lid unit 20 prevents the close lock portion 33 and the close fixing portion 34 is inserted into the sealed groove 24, the sealed groove 24 In the packing unit 30 can be easily removable.

In addition, through the detailed configuration of the packing unit 30 to increase the elastic force of the packing body portion 31, to prevent distortion of the packing unit 30 or distortion of the packing unit 30, the container unit When the lid unit 20 is rotated at 10, the friction force of the packing unit 30 can be minimized.

In addition, while preventing the elastic deformation of the packing body portion 31 through the detailed configuration of the packing unit 30 to disperse the force (pressure) applied to the packing unit 30, the close lock 33 It is possible to increase the sealing force between the close contact lock portion 33 and the close wing 41 and the uniform pressing force.

In addition, through the detailed configuration of the lid unit 20 to facilitate the separation, washing, and coupling of the packing unit 30, the hygiene management of the sealed container is simplified, to securely fix the packing unit 30 Can be. In addition, it is convenient to discharge the air remaining in the receiving space 11 of the container unit 10, it is possible to reduce the dispersal of the contents contained in the container unit (10).

In addition, the container unit 10 and the lid unit 20 can be easily attached and detached by combining a rotation method and a hook method through the rotational contact unit 40, and increase the contact area of the packing unit 30. The sealing force of the container unit 10 can be improved.

In addition, through the detailed configuration of the rotational contact unit 40, the packing unit 30 in the coupled state is suppressed or prevented from contacting the outside air, increasing the adhesion of the packing unit 30, and the fitting protrusion and The overlap between the insertion groove and the fitting protrusion may be simplified, and the coupling stability of the container unit 10 and the lid unit 20 may be improved. In addition, through the detailed configuration of the rotational close unit 40 maintains the overlapping state between the fitting protrusions, and prevents the lid unit 20 from being separated from the container unit 10 by a separate external impact, The packing unit 30 may be pressurized to maintain an elastic deformation state of the packing unit 30. In addition, it is possible to increase the pressing force of the packing unit 30 in the overlapping state between the fitting protrusions through the detailed configuration of the rotary contact unit 40, and improve the sealing force by the packing unit 30. In addition, through the detailed configuration of the rotational close contact unit 40 can simplify the structure and simplify the production.

Although the preferred embodiments of the present invention have been described with reference to the drawings as described above, those skilled in the art can variously change the present invention without departing from the spirit and scope of the present invention as set forth in the claims below. Can be modified or changed.

The present invention can be applied to an airtight container that keeps vegetables, fruits, or foods to be cooked, cooked foods, etc. for a long time without damaging them, and at the same time prevents the peculiar smell of the foods from leaking out.

Claims

Container unit provided with a receiving space for receiving the contents;

A lid unit for opening and closing the accommodation space provided in the container unit;

A packing unit sealing the container unit and the lid unit; And

And a rotational close unit formed to engage with each other as the lid unit is moved and rotated toward the container unit.

The rotational close contact unit,

A close wing portion provided at the inlet side of the accommodation space to be in contact with the packing unit;

A first fitting protrusion part spaced apart from each other to protrude from the contact blade part;

A first fitting groove provided on the close wing and recessed by two adjacent first fitting protrusions;

A shielding ring protruding from the lid unit to surround the inlet of the accommodation space;

A second fitting protrusion formed to be spaced apart from each other to correspond to the first fitting groove so as to form a rotation path groove into which the first fitting protrusion is inserted; And

And a second fitting groove provided in the shielding ring and recessed by two second fitting protrusions adjacent to each other to correspond to the first fitting protrusion so as to communicate with the rotation path groove.

When the lid unit is coupled to the container unit, the first fitting protrusion is inserted into the second fitting groove, and the second fitting protrusion is inserted into the first fitting groove, and between the container unit and the lid unit. The container of claim 1, wherein the first fitting protrusion is engaged with the second fitting protrusion via the rotation path groove.
Container unit provided with a receiving space for receiving the contents;

A lid unit for opening and closing the accommodation space provided in the container unit;

A packing unit sealing the container unit and the lid unit; And

And a rotational close unit formed to engage with each other as the lid unit is moved and rotated toward the container unit.

The rotational close contact unit,

A close wing portion provided at the inlet side of the accommodation space to be in contact with the packing unit;

A first fitting protrusion formed to be spaced apart from each other at an edge of the lid unit;

A first fitting groove provided at an edge of the lid unit and recessed by two adjacent first fitting protrusions;

A shielding ring portion protruding from the contact wing portion so as to surround the edge of the lid unit;

A second fitting protrusion formed to be spaced apart from each other to correspond to the first fitting groove so as to form a rotation path groove into which the first fitting protrusion is inserted; And

And a second fitting groove provided in the shielding part and recessed by two second fitting protrusions adjacent to each other to correspond to the first fitting protrusion so as to communicate with the rotation path groove.

When the lid unit is coupled to the container unit, the first fitting protrusion is inserted into the second fitting groove, and the second fitting protrusion is inserted into the first fitting groove, and between the container unit and the lid unit. The container of claim 1, wherein the first fitting protrusion is engaged with the second fitting protrusion via the rotation path groove.
The method according to claim 1 or 2,

The packing unit,

A packing body part provided with a long through hole along a length direction;

A close locking portion protruding or recessed on an outer circumferential surface of the packing body portion; And

And a close fixing part protruding or recessed from an outer circumferential surface of the packing body part at the edge of the close contact locking part in the circumferential direction of the packing body part.
The method of claim 3,

The packing unit,

And a packing support portion protruding from the packing body portion to the through hole so as to partition the through hole.
The method of claim 4, wherein

The packing support portion,

A pressure supporting part extending in the height direction from the packing body part; And

And a dispersing support portion extending downward from the pressing support portion inclined downward toward the edge side of the contact locking portion or the contact fixing portion in the circumferential direction of the packing body portion.
The method according to claim 1 or 2,

The rotational close contact unit,

The airtight container further comprising at least one of a first catching portion protruding from the first fitting protrusion and a second catching portion protruding from the rotation path groove corresponding to the second fitting protrusion.
The method of claim 6,

At least one of the first catching portion and the second catching portion, the sealed container, characterized in that a plurality of steps to form a step along the rotation direction of the lid unit.