KR200478706Y1

KR200478706Y1 - Check valve for food container

Info

Publication number: KR200478706Y1
Application number: KR2020140005311U
Authority: KR
Inventors: 전진구
Original assignee: (주)영진팩; 전진구
Priority date: 2014-07-15
Filing date: 2014-07-15
Publication date: 2015-11-06

Abstract

The present invention relates to a check valve device for a food container, which prevents damage to food, such as explosion of a container, by discharging gas generated inside the container to the outside appropriately, And a valve coupling portion 10 for forming a through hole 13 at the center of the inclined recess portion is formed in the center of the bottom of the inner engaging groove 11 in the container lid 5, And a valve cover (20) for covering the coupling protrusion (15) protruded to the upper portion of the valve coupling portion (10) and forming a clearance groove (21) for gas discharge along the inner side surface and the upper surface And an opening / closing valve 30, which is connected to the lower portion of the valve cover 20 and has an outer end tapering downward than the center thereof, is opened / closed while being elastically operated upward and downward due to pressure rise in the container Configured Simple The structure is advantageous in that the manufacturing cost is low, the productivity is excellent, and the introduction of air or foreign matter from the outside into the container is prevented completely, thereby safely storing the food.

Description

Check valve for food container [0002]

The present invention relates to a check valve device for a food container, which prevents damage to the container such as explosion by discharging the gas generated from the inside of the container appropriately to the outside, and prevents deterioration of food. Particularly, And more particularly, to a check valve device for a food container which is capable of safely storing food by completely blocking air or foreign matter from entering the container from the outside.

Recently, food containers have been developed in various forms such as a function of simply storing food, and a function of safely storing food for a long period of time.

In particular, foods that generate gas upon storage in foods (such as fermented foods such as kimchi, miso, kochujang, fermented fish, fruit wine, etc.) may leak due to internal pressure rise during long-term storage, There is a risk of breakage such as explosion and deterioration of the quality of the food.

In order to solve such a problem, a number of techniques have been disclosed in which a check valve device is provided in a container as disclosed in the registration utility model No. 20-0451620, and the gas generated in the food is discharged to the outside.

That is, the valve seat has a concave groove formed in the upper part of the container and a gas discharge groove through which air is discharged at the center. A valve cover coupled to an upper portion of the valve seat portion and having a through hole at the center thereof; A disc-shaped valve body provided on a bottom surface of the valve seat for opening and closing the gas discharge groove; A valve support having a valve rod guided through the through-hole of the valve cover and having a bottom surface formed to urge the top of the valve body; And the upper end is supported by the valve cover and the lower end is composed of a spring supporting the valve support. When the inner pressure is raised by the gas generated from the internal storage food, the valve body is opened while compressing the spring, It will be discharged.

However, the above-mentioned conventional check valve device is assembled with a number of parts such as a valve seat, a valve cover, a valve body, a support, and a spring.

In particular, since the discharge groove for discharging gas is formed in the upper part of the valve cover, air or foreign matter flows into the check valve device from the outside through the discharge groove, and flows into the container when the valve body is opened and closed. There is a problem that the food can not be safely stored.

Registration Utility Model No. 20-0451620 Registration Practical Utility Model No. 20-354846

The present invention has been devised to solve all the problems of the prior art described above, and it is an object of the present invention to provide a check valve device for preventing deterioration such as explosion of a container by discharging gas generated inside the container appropriately to the outside, This is because the simple structure of the valve coupling portion of the container lid, the valve cover coupled to the valve coupling portion, and the opening / closing valve coupled to the valve cover under the valve cover for opening and closing the valve, The present invention is intended to completely store the food and the air inside the container.

The present invention relates to a container lid coupled to an upper portion of a container body, a valve coupling portion forming a through hole at the center of the inclined recess, a slope recessed portion inclined downwardly from the outside to the center at the bottom center of the inner engagement groove, A valve cover coupled to the cover protruding from the valve cover so as to cover the valve cover and covering the coupling protrusion, the valve cover forming a clearance groove for discharging the gas along the inner side surface and the upper surface, and an elastic material Closing plate is opened and closed while the container is elastically operated up and down by pressure rise in the container.

The present invention is characterized in that the opening / closing plate of the opening / closing valve has a ring-shaped contact protrusion protruding from the bottom of the outer end thereof so as to be tightly sealed to the bottom of the coupling groove of the valve coupling portion.

The present invention is characterized in that round protrusions are formed in a staggered manner on the outer periphery of the coupling protrusion and the inner periphery of the valve cover to be detachably coupled.

The present invention relates to a check valve device for preventing the deterioration of food by preventing explosion or the like of a container by suitably discharging gas generated from the inside of the container to the outside, A simple structure of a valve cover coupled to a valve coupling portion and a valve opening / closing valve coupled to a valve cover under the valve cover enables the manufacturing cost to be lower than that of the conventional product, The food is safely stored, thereby maximizing the commerciality.

1 is a sectional view showing a container to which the present invention is applied;
2 is an enlarged view of the main part of Fig.
3 is an exploded sectional view of Fig.
4 is an operational state diagram of Fig.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIGS. 1 to 4, the check valve device for a designed food container is configured to discharge gas generated inside the container to the outside.

That is, in the present invention, a container lid 5 coupled to an upper portion of a container main body 2 has a slant recessed portion 12 slanted downward from the outside to the center at the bottom center of the inner engagement groove 11, (10) forming a valve seat (13)

And a coupling protrusion (15) formed to protrude from the upper portion of the valve coupling portion (10)
A valve cover 20 for forming a clearance groove 21 for gas discharge along the inner side surface 21a and the inner upper rim surface 21b,

And an open / close valve 30 which is coupled to the lower portion of the valve cover 20 and has an outer end tapering downward than the center, is opened / closed by elastic operation of the interior of the container due to pressure rise inside the container .

At this time, the opening / closing plate 31 of the opening / closing valve 30 can be formed in a flat plate shape due to the inclined recessed portion 12 of the valve engaging portion, and at the lower portion of the outer end, Like protrusions 33 so as to be hermetically sealed tightly to the floor.

In addition, the round protrusions 16 and 26 are formed to be offset from each other around the outer periphery of the engaging projection 15 and the inner periphery of the valve cover 20 to be detachably coupled.

Reference numeral 38 denotes a connecting rod of the opening / closing valve 30 which is coupled to the coupling groove 28 of the valve cover 20.

Hereinafter, the operation and operation of the present invention will be described.

The device of the present invention is configured to cover and cover the coupling protrusion 15 on the valve coupling portion 10 of the container lid 5 with the opening and closing valve 30 being coupled to the lower portion of the valve cover 20.

At this time, round protrusions 26 formed on the inner circumference of the valve cover 20 are detachably fixed to the round protrusions 16 corresponding to the outer circumferences of the engaging protrusions 15 so as to be staggered.

The opening and closing plate 31 of the elastic material under the opening and closing valve 30 is formed such that the outer end thereof is inclined downward at the outer side than the center and the ring- ) It is tightly sealed on the floor.

As described above, according to the present invention, the manufacturing cost of the container can be reduced by a simple structure composed of the valve coupling portion 10 of the container lid, the valve cover 20 coupled to the valve coupling portion 10 and the on- It is not only economical but also excellent manufacturing productivity.

When the inner pressure of the container rises above a predetermined value due to the gas generated in the food stored in the container, the outer end of the elastic plate 31 of elastic material under the opening / closing valve 30 rises elastically The annular contact protrusions 33 are spaced from the bottom of the engaging groove 11 of the valve engaging portion 10 so that the gas inside the container is guided to the through hole 13 of the valve engaging portion 10 and the inner engaging portion 13 of the valve engaging portion 10 The gas is smoothly discharged to the outside through the grooves 21 formed so as to connect the inside and the outside along the groove 11 - the inner side surface 21a of the valve cover 20 and the inside upper side surface 21b.

When the inner pressure of the container is lowered by discharging the gas to the outside of the container, the outer end of the opening / closing plate 31 below the opening / closing valve 30 is returned to its original position, So as to be hermetically sealed.

In addition, the present invention has a structure in which the gas is discharged through the gap groove 12 between the inner side surface and the upper surface of the valve cover 20, instead of forming the through hole at the upper portion as in the prior art, Air and foreign substances are prevented from flowing into the container from the outside during the opening and closing process of the valve 30, so that the food can be stored more safely.

2: container body 5: container lid
10: valve coupling portion 11: coupling groove
12: inclined recess 15: engaging projection
16, 26: Round protrusion 20: Valve cover
21: crevice groove 30: opening / closing valve
31: open / close plate 33: ring-shaped contact projection

Claims

A valve coupling portion 10 for forming a through hole 13 in the bottom of the coupling groove 11 in a container lid 5 coupled to the container main body 2, (20), and an opening / closing valve (30) which is coupled to the lower portion of the valve cover and has an outer end tapering downward than the center, is opened / A check valve for a food container for discharging a gas generated inside a container to the outside,
The valve cover 20 is formed with a clearance groove 21 for exhausting the internal gas while preventing the inflow of external air and foreign matter by connecting the inside and the outside along the inner side face 21a and the inside upper side face 21b ,
The valve coupling part 10 is formed with a sloped recess 12 sloping downward from the outside to the center at the center of the bottom of which the through hole 13 is formed and the sloped recess 12 is formed on the opening / 31 are formed in the form of a flat plate,
And a ring-like contact protrusion (33) protruding from the bottom of the opening and closing plate (31) so as to be in line contact with the bottom of the coupling groove (11).

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