Container lid and container assembly incorporating same

Abstract

The present invention relates to a container lid and a container assembly incorporating the same, and more particularly, to a container lid incorporating an inlet of a container containing contents and a container assembly incorporating the same. As shown in Figure 2 of the abstract drawing, the present invention discloses a container assembly comprising: a container (20) containing contents and having a container inlet (21) through which the contents are discharged; a container lid (1) coupled to the container inlet (21); a sealing member (7) attached to the upper end of the container inlet (21) to seal the container (20); the container lid (1) is provided with: a side wall section (2) having a female screw section (2a) formed on the inner peripheral surface thereof, the side wall section (2) being screwed to a male screw section (8) formed on the outer peripheral surface of the container inlet (21); an upper side part (3) integrated with the upper end of the side wall part (2); and a clinging section (6) that protrudes from the inner peripheral surface of the side wall section (2), is spaced apart from the bottom surface of the upper side section (3), and is formed so as to be clinging to the container inlet (21) even after the sealing member (7) is removed.

Description

Technical Field

[0001] The present invention relates to a container cap and a container assembly combined therewith, and more particularly to a container cap combined with an inlet of a container containing contents and a container assembly combined therewith. Background Art

[0002] Figure 1 It is a cross-sectional view of a container of the prior art.

[0003] Typically, in a beverage container such as a lactic acid bacteria beverage, a sealing member 114 is attached to the container inlet 102 to seal the contents stored in the container 104 in order to prevent the contents stored in the container 104 from leaking to the outside without cause, and a container cover 100 is provided to prevent the sealing member 114 from being damaged without cause due to external impact or contact between objects.

[0004] The container cover 100 is in the shape of a closed cylinder at the upper side, and has a clamping platform 110 formed on the inner circumference to be clamped on a clamping rib 108 formed on the outer circumference of the container inlet 102 , and a handle 112 is formed so that the container cover 100 can be pulled by hand when being separated from the container inlet 102 .

[0005] The container cap 100 as described above is separated from the container inlet 102 by grasping the handle 112 and pulling it, and then the sealing member 114 is removed from the container inlet 102 to discharge the contents stored in the container to the outside through the container inlet 102 .

[0006] On the other hand, a container for storing beverages, medicines, etc. can be reused in conjunction with the container cap 100 so that the user can drink again after drinking a predetermined amount according to the convenience of the user, rather than drinking all the contents after removing the sealing member 114.

[0007] In particular, in the case of a tablet-shaped drug, it can be used for more than one month depending on the amount of the content.

[0008] However, in the conventional container, even if the container cap and the container are reassembled after the sealing member 114 is removed, the sealing property is deteriorated, and thus there is a problem that the contents inside the container may deteriorate or leak. Summary of the invention

[0009] Problem to be solved

[0010] An object of the present invention is to solve the above-mentioned problems and to provide a container cap and a container assembly incorporating the same which can improve the sealing performance when the container cap is reassembled after removing a sealing member.

[0011] Means of solving the problem

[0012] The present invention is proposed to achieve the purpose of the present invention as described above, and discloses a container assembly, comprising: a container 20, which is filled with contents and has a container inlet 21 for discharging the contents; a container cover 1, which is combined with the container inlet 21; a sealing component 7, which is attached to the upper end of the container inlet 21 to seal the container 20; wherein the container cover 1 comprises: a side wall portion 2, on the inner circumference of which a female thread portion 2a is formed, which is threadedly combined with a male thread portion 8 formed on the outer circumference of the container inlet 21; an upper side portion 3, which is formed as a whole with the upper end of the side wall portion 2; a close-fitting portion 6, which protrudes from the inner circumference of the side wall portion 2 and is spaced apart from the bottom surface of the upper side portion 3, and is formed to be in close contact with the container inlet 21 even after the sealing component 7 is removed.

[0013] The present invention also discloses a container assembly, comprising: a container 20, which is filled with contents and has a container inlet 21 for discharging the contents; a container cover 1, which is combined with the container inlet 21; wherein the container cover 1 includes: a side wall portion 2, on the inner circumference of which is formed a female thread portion 2a, which is threadedly combined with a male thread portion 8 formed on the outer circumference of the container inlet 21; an upper side portion 3, which is formed as a whole with the upper end of the side wall portion 2; a close-fitting portion 6, which protrudes from the inner circumference of the side wall portion 2 and is spaced apart from the bottom surface of the upper side portion 3, and is formed to be close to the container inlet 21.

[0014] The outer diameter of the sealing member 7 is smaller than the outer diameter of the upper surface 22 of the container inlet 21 , and the upper surface 22 of the container inlet 21 can be covered by the sealing member 7 and the close contact portion 6 .

[0015] A close fitting ring 11 may be further formed on the bottom surface of the close fitting portion 6 . The close fitting ring 11 protrudes downward and is in close contact with the outer peripheral surface of the container inlet 21 when the container cover 1 is combined with the container inlet 21 .

[0016] The container inlet 21 may further form an annular protrusion 33 , which protrudes toward the close fitting ring 11 so as to be in close contact with the close fitting ring 11 when the container cover 1 is combined with the container inlet 21 .

[0017] The upper surface 22 of the container inlet 21 may be composed of at least one of a flat surface and a curved surface.

[0018] The side wall portion 2 may further form an auxiliary close-fitting portion 34 , and the auxiliary close-fitting portion 34 is close-fitted to the outer peripheral surface of the container inlet 21 at the lower end thereof when the container cover 1 is combined with the container inlet 21 .

[0019] The side wall portion 2 may be connected to a skirt portion 5 at a lower end thereof via a plurality of bridges 4 when the container cover 1 is coupled to the container inlet 21 . The skirt portion 5 is clamped to a clamping platform 24 formed on an outer peripheral surface of the container inlet 21 .

[0020] Effects of the Invention

[0021] The container cap and the container assembly combined therewith according to the present invention have a close-fitting portion that is in close contact with the upper surface of the container inlet, thereby having the advantage of greatly improving the sealing performance when the container cap is combined with the container inlet after removing the sealing component.

[0022] The container cap and the container assembly combined therewith according to the present invention have the advantage that the sealing property of the container is improved, and the contents can be safely stored for a long time without deterioration even if the container cap is opened and reassembled.

[0023] In addition, the container cap and the container assembly combined therewith according to the present invention do not need to change the existing specifications of the container cap, that is, the external dimensions for manufacturing, and can utilize the existing production lines. Therefore, there is an advantage that no additional costs are required when applying the container cap and the container assembly combined therewith according to the present invention.

[0024] In addition, the container cover and the container assembly combined therewith according to the present invention form a close-fitting portion at a distance from the bottom surface of the upper side portion of the container cover, thereby having the advantage that the sealing performance can be greatly improved by bending elasticity when the container cover is combined with the container inlet.

[0025] In addition, according to the container cap and the container assembly combined therewith of the present invention, a sealing ring is additionally formed on the bottom surface of the close-fitting portion to be in close contact with the outer peripheral surface of the container inlet, thereby having the advantage of greatly improving the sealing performance when the container cap is combined with the container inlet. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a cross-sectional view showing an example of a conventional container assembly.

[0027] Figure 2 is a perspective view showing a container assembly according to an embodiment of the present invention.

[0028] Figure 3 yes Figure 2 Cross-section of the container component in the III-III direction.

[0029] Figure 4 Yes Figure 3 Enlarged cross-sectional view of part A in the middle.

[0030] Figure 5 Yes Figure 3 Enlarged cross-sectional view of the enlarged portion B.

[0031] Figure 6 It is shown Figure 5 An enlarged cross-sectional view of a modification of the structure shown.

[0032] Figure 7 It is shown in Figure 4 An enlarged cross-sectional view of a modification of the structure shown.

[0033] Figure 8 It is shown in Figure 4 An enlarged cross-sectional view of another modified example of the structure is shown. DETAILED DESCRIPTION

[0034] Hereinafter, the container cap and the container assembly combined therewith according to the present invention will be described with reference to the accompanying drawings.

[0035] like Figures 1 to 8 As shown, the container assembly according to the present invention includes: a container 20 filled with contents and having a container inlet 21 for discharging the contents; a container cover 1 combined with the container inlet 21; and a sealing component 7 attached to the upper end of the container inlet 21 to seal the container 20.

[0036] The container 20 is a structure for storing liquid substances such as beverages, alcohol, engine oil, antifreeze, cooking oil, dairy products, granules such as tablets, powdered substances, etc., and can be of any structure as long as it has a container inlet 12 for container discharge.

[0037] In addition, the container 20 may have various shapes, such as a cylindrical shape or a quadrilateral column shape, except for the container inlet 21 .

[0038] Then, the container 20 may include plastic, ceramic materials such as ceramics, glass materials, metal materials, and other various materials. Here, considering manufacturing and disconnection, the container cover is preferably made of plastic.

[0039] On the other hand, the container inlet 21 is a discharge port for discharging the contents of the storage space 28 of the container 20 to the outside, and is a portion that is opened and closed by the container cover 100 , and can have various structures depending on the structure combined with the container cover 20 .

[0040] The container cover 1 is made of plastic material and may have various structures as a structure that is coupled to the container inlet 21 of the container 20 to seal the container 20 .

[0041] The material of the container cover 1 is plastic, and can be any material as long as it is an injection moldable material, such as HDPE, PP, PET, PVC, PS, etc.

[0042] The sealing member 7 is a structure attached to the upper end of the container inlet 21 of the container 20 to seal the container 20 , and may have various structures according to the coupling structure of the container cover 1 .

[0043] As an example, the sealing component 7 may include a metal sheet layer (not shown) and a first resin layer and a second resin layer, wherein the first resin layer and the second resin layer are respectively bonded to the upper surface and the bottom surface of the metal sheet layer.

[0044] Then, an adhesive layer may be formed on the bottom surface of the second resin layer at a position corresponding to the upper surface 22 of the container inlet 21 so as to be adhered to the upper surface 22 of the container inlet 21 by heating such as electromagnetic induction (induction heating) or conductive heating.

[0045] On the other hand, the container cover 1 may include: a side wall portion 2, having a female thread portion 2a formed on the inner circumference, which is threadedly engaged with a male thread portion 8 formed on the outer circumference of the container inlet 21; an upper side portion 3, which is integrally formed with the upper end of the side wall portion 2; a close-fitting portion 6, which protrudes from the inner circumference of the side wall portion 2 and is spaced apart from the bottom surface of the upper side portion 3, and is formed to be in close contact with the container inlet 21 even after the sealing component 7 is removed.

[0046] The side wall portion 2 has a female thread portion 2a formed on the inner circumference thereof and is threadedly engaged with a male thread portion 8 formed on the outer circumference of the container inlet 21 . The side wall portion 2 may have various structures depending on the engagement structure with the container inlet 21 .

[0047] The side wall portion 2 may be any structure as long as it is formed integrally with the upper side portion 3 described later to form the container cover 1 and can be threadedly coupled to the container inlet 21 .

[0048] On the other hand, the side wall portion 2 may further form an auxiliary close-fitting portion 34 , and the auxiliary close-fitting portion 34 is close-fitted to the outer peripheral surface of the container inlet 21 at the lower end thereof when the container cover 1 is combined with the container inlet 21 .

[0049] The auxiliary close contact portion 34 is formed at the lower end of the side wall portion 2 so as to be in close contact with the outer peripheral surface of the container inlet 21 when the container cover 1 is coupled to the container inlet 21 , and may have various structures.

[0050] In particular, Figure 5 and Figure 6 As shown, the auxiliary close-fitting portion 34 may be formed to protrude from the lower end of the side wall portion 2 .

[0051] As an example, the auxiliary clinging portion 34 may have a shape with a thickness in a radial direction gradually decreasing toward a lower end, such as a wedge-shaped cross-section, so as to impart elastic force such as bending when clinging to the outer peripheral surface of the container inlet 21 .

[0052] At this time, the contact area 35 on the outer peripheral surface of the container inlet 21 that contacts the auxiliary contact portion 34 when the container cover 1 is coupled to the container inlet 21 may be formed in a slanted shape or the like.

[0053] Since the auxiliary close-fitting portion 34 is in close contact with the outer peripheral surface of the container inlet 21 when the container cover 1 is coupled to the container inlet 21 , a second sealing portion for sealing the container 20 can be provided.

[0054] On the other hand, the side wall portion 2 is connected to the skirt portion 5 at the lower end thereof via a plurality of bridges 4 when the container cover 1 is coupled to the container inlet 21 , and the skirt portion 5 is engaged with a stop 24 formed on the outer peripheral surface of the container inlet 21 .

[0055] The skirt 5 is a portion remaining in a state where the break bridge 4 is coupled to the container inlet 21 when the container cap 1 is separated from the container inlet 21 , and can be used to confirm whether the container is opened for the first time.

[0056] On the other hand, Figure 5 and Figure 6 As shown, the auxiliary close-fitting portion 34 may be located on at least one of the inner side and the outer side with the skirt portion 5 as the center.

[0057] At this time, the container cover 1 may further form an outer wall portion 9 extending downward from an upper portion 3 described later and spaced from an outer peripheral surface of the side wall portion 2 .

[0058] Then, the skirt portion 5 is formed at any one of the side wall portion 2 and the outer side wall portion 9 , and the auxiliary close contact portion 34 can be formed at any one of the side wall portion 2 and the outer side wall portion 9 .

[0059] In addition, the skirt portion 5 and the auxiliary close contact portion 34 may be formed entirely at any one of the side wall portion 2 and the outer side wall portion 9 .

[0060] On the other hand, the side wall portion 2 may be formed with a plurality of knurled portions 15 on the outer peripheral surface so that the user can grasp the container cover 2 and easily rotate it.

[0061] The knurled portion 15 may be any structure as long as it allows the user to easily rotate the container cover 2 relative to the container inlet 21, such as a protruding portion extending up and down from the outer peripheral surface of the side wall portion 2.

[0062] The upper side portion 3 , which is a portion formed integrally with the upper end of the side wall portion 2 , may have various shapes, such as a shape corresponding to the shape of the container inlet 21 , that is, a disc shape.

[0063] like Figure 3 and Figure 4 As shown, the close-fitting portion 6 protrudes from the inner circumferential surface of the side wall portion 2 and is spaced apart from the bottom surface of the upper side portion 3, and is formed to be in close contact with the container inlet 21 even after the sealing component 7 is removed. Various structures are possible.

[0064] As an example, the close contact portion 6 may be formed in a ring shape that is spaced apart from the bottom surface of the upper portion 3 and protrudes from the outer peripheral surface of the side wall portion 2 to form the elastic space 17 with the upper portion 3 .

[0065] In particular, the close-fitting portion 6 is close to the upper surface 22 of the container inlet 21 when the user rotates the container cover 1 to be firmly coupled to the container inlet 21 with the sealing component 7 removed, and the container cover 21 can be more firmly coupled to the container inlet 21 through the bending elasticity toward the elastic space 17.

[0066] Furthermore, by the strong close contact between the close contact portion 6 and the upper surface 22 of the container inlet 21, the sealing performance with respect to the interior of the container 20 can be greatly improved.

[0067] On the other hand, Figure 4 As shown, the close contact portion 6 is preferably formed to be in close contact with the upper surface 22 of the container inlet 21 even in a state where the sealing member 7 is provided.

[0068] At this time, regarding the formation of the tight-fitting ring 11 described later, the outer diameter of the sealing component 7 may be smaller than the outer diameter of the upper surface 22 of the container inlet 21 , and the upper surface 22 of the container inlet 21 may be covered by the sealing component 7 and the tight-fitting portion 6 .

[0069] Then, the upper surface 22 of the container inlet 21, which is the portion to which the sealing member 7 is attached and in close contact with the close contact portion 6, may be composed of at least one of a flat surface and a curved surface.

[0070] On the other hand, Figure 7 As shown, the upper surface 22 of the container inlet 21 may be formed with more than one end 32 on the outer peripheral side to improve the sealing performance of the container 20 through the container cover 1.

[0071] The end portion 32 may be formed with one or more on the outer peripheral side of the upper surface 22 of the container inlet 21. In this case, the container cover 1 forms a coupling end portion 34 matching the end portion 32, so that when the container cover 21 is coupled to the container inlet 21, additional sealing can be provided for the container 20.

[0072] In particular, Figure 8As shown, in addition to the structure of the tight-fitting portion 6, only the tight-fitting ring 11 and the end portion 32 can also provide sealing, so of course the structure of the tight-fitting portion 6 can also be excluded, and only the tight-fitting ring 11 and the end portion 32 can constitute the container assembly.

[0073] On the other hand, a close fitting ring 11 may be formed on the bottom surface of the close fitting portion 6 . The close fitting ring 11 protrudes downward and is in close contact with the outer peripheral surface of the container inlet 21 when the container cover 1 is combined with the container inlet 21 .

[0074] The sealing ring 11 is a structure that protrudes downward from the bottom surface of the sealing portion 6 so as to be tightly attached to the outer peripheral surface of the container inlet 21 when the container cover 1 is combined with the container inlet 21. Since it is tightly attached to the outer peripheral surface of the container inlet 21, it can provide additional sealing for the container 20.

[0075] As an example, the cling ring 11 may be formed to have a thickness in a radial direction that gradually decreases toward the bottom, such as a wedge shape.

[0076] At this time, if Figure 4 and Figure 5 As shown, the close-fitting ring 11 may be spaced apart from the inner circumference of the side wall portion 2 .

[0077] The tight-fitting ring 11 is extended from the bottom surface of the tight-fitting portion 6, and when the container cover 1 is combined with the container inlet 21, when the tight-fitting portion 6 is bent, it is bent toward the outer peripheral surface of the container inlet 21 and is tightly fitted to the outer peripheral surface of the container inlet 21, thereby providing additional sealing for the container 20.

[0078] On the other hand, the close fitting ring 11 may also be formed by extending downward from the upper side portion 3 of the container cover 1 .

[0079] That is, the close-fitting ring 11 can be located and formed outside the elastic space 17 formed by the close-fitting portion 6 based on the radial direction of the container cover 1 .

[0080] On the other hand, the container inlet 21 may form one or more annular protrusions 33 , and the annular protrusions 33 protrude toward the close fitting ring 11 to be in close contact with the close fitting ring 11 when the container cover 1 is combined with the container inlet 21 .

[0081] The annular protrusion 33 is a protrusion that protrudes in an annular shape toward the close fitting ring 11 from the container inlet 21 to closely fit with the close fitting ring 11 when the container cover 1 is combined with the container inlet 21 , and may have various shapes and structures.

[0082] Here, the annular protrusion 33 is formed on the upper side of the male thread portion 8 located on the outer peripheral surface of the container inlet 21 .

[0083] On the other hand, the container assembly according to the present invention is exemplified by taking the sealing member 7 as an essential structure, but it is not necessary to set the sealing member 7 to provide sufficient sealing performance, so it is of course not necessary to use the sealing member 7.

[0084] At this time, the close contact portion 6 may be in close contact with the entire upper surface 22 of the container inlet 21 .

[0085] That is, as a second embodiment of the present invention, a container assembly according to the present invention may include: a container 20, which is filled with contents and has a container inlet 21 for discharging the contents; a container cover 1, which is combined with the container inlet 21; the container cover 1 may include: a side wall portion 2, on the inner circumference of which is formed a female thread portion 2a, which is threadedly combined with a male thread portion 8 formed on the outer circumference of the container inlet 21; an upper side portion 3, which is formed as a whole with the upper end of the side wall portion 2; a tight-fitting portion 6, which protrudes from the inner circumference of the side wall portion 2 and is spaced apart from the bottom surface of the upper side portion 3, and is formed to be tightly fitted to the container inlet 21.

[0086] The container assembly according to the second embodiment of the present invention has the same actual structure except for the sealing member 7, so the detailed description is omitted.

[0087] On the other hand, the container assembly according to the embodiment of the present invention can be implemented as a situation where container caps of various structures (for example, a single-piece one-touch cap, a two-piece one-touch cap, a glass material cap, a metal cap, etc.) and containers combined therewith are used in combination with each other, are individually set in various bottle caps and various containers for use, and can be applied or suitable in part or all of instruments, machines, and other structures different from bottle caps and containers.

[0088] The above is only a partial description of a preferred embodiment that can be implemented by the present invention. It is well known that the scope of the present invention should not be limited to the above embodiment for interpretation, but the technical ideas of the present invention described above and its fundamental technical ideas are all included in the scope of the present invention.

Claims

1. A container assembly, characterized in that: include: A container (20) containing contents and having a container inlet (21) for discharging the contents; A container cover (1) coupled to the container inlet (21); a sealing member (7) attached to the upper end of the container inlet (21) to seal the container (20); Wherein, the container cover (1) comprises: The side wall portion (2) has a female thread portion (2a) formed on the inner circumference thereof and is threadably engaged with a male thread portion (8) formed on the outer circumference of the container inlet (21); An upper side portion (3) formed integrally with the upper end of the side wall portion (2); The close-fitting portion (6) protrudes from the inner peripheral surface of the side wall portion (2) and is spaced apart from the bottom surface of the upper side portion (3), and is formed to be in close contact with the container inlet (21) even after the sealing component (7) is removed.

2. The container assembly according to claim 1, characterized in that: The outer diameter of the sealing component (7) is smaller than the outer diameter of the upper surface (22) of the container inlet (21); The upper surface (22) of the container inlet (21) is covered by the sealing member (7) and the close contact portion (6).

3. A container assembly, characterized in that: include: A container (20) containing contents and having a container inlet (21) for discharging the contents; A container cover (1) coupled to the container inlet (21); Wherein, the container cover (1) comprises: The side wall portion (2) has a female thread portion (2a) formed on the inner circumference thereof and is threadably engaged with a male thread portion (8) formed on the outer circumference of the container inlet (21); An upper side portion (3) formed integrally with the upper end of the side wall portion (2); The close-fitting portion (6) protrudes from the inner peripheral surface of the side wall portion (2) and is spaced apart from the bottom surface of the upper side portion (3), and is formed to be in close contact with the container inlet (21).

4. The container assembly according to any one of claims 1 to 3, characterized in that: A close fitting ring (11) is also formed on the bottom surface of the close fitting portion (6). The close fitting ring (11) protrudes downward and is in close contact with the outer peripheral surface of the container inlet (21) when the container cover (1) is combined with the container inlet (21).

5. The container assembly according to claim 4, characterized in that: The container inlet (21) further comprises an annular protrusion (33) which protrudes toward the close fitting ring (11) so as to be in close contact with the close fitting ring (11) when the container cover (1) is combined with the container inlet (21).

6. The container assembly according to any one of claims 1 to 3, characterized in that: The upper surface (22) of the container inlet (21) is composed of at least one of a flat surface and a curved surface.

7. The container assembly according to any one of claims 1 to 3, characterized in that: The side wall portion (2) further forms an auxiliary close-fitting portion (34), and the auxiliary close-fitting portion (34) is close-fitted to the outer peripheral surface of the container inlet (21) at the lower end when the container cover (1) is combined with the container inlet (21).

8. The container assembly according to any one of claims 1 to 3, characterized in that: The side wall portion (2) is connected to a skirt portion (5) at the lower end through a plurality of bridges (4) when the container cover (1) is coupled to the container inlet (21); the skirt portion (5) is clamped on a clamping platform (24) formed on the outer peripheral surface of the container inlet (21).

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