KR200437365Y1 - Sealing structure of vessel - Google Patents

Abstract

The present invention relates to an airtight structure of a liquid container that is inserted into the bottleneck inlet of the container to improve the structure of the airtight cap and lid to prevent the contents of the liquid from being buried or leaked at the bottleneck inlet when using the container.

According to the present invention, the airtight cap 20 is inserted into the inlet 11 of the liquid container 10 and has an outlet 21 protruding from the center portion, and the male screw part 12 of the inlet 11 is screwed to the outside. In the airtight structure of the liquid container which has the female screw part 33 to the inside and the lid 30 in which the insertion protrusion part 32 which is inserted in the inside of the outlet 21 in the upper end and provides a sealing force is provided,

The outlet port is formed on the upper side of the lid 30 to compress the outer surface of the outlet port 21 so that the cross section of the outlet port 21 is simultaneously applied in the vertical direction and the lateral stress to provide a close contact with the insertion protrusion 32. A pressing projection 34;

Vertical and lateral stresses act simultaneously on the inner end of the flange portion 23 of the hermetic cap 20 to the outside of the outlet pressurizing protrusion 34 so that the outer surface of the hermetic cap 20 and the container 10 inlet 11 ) Inlet pressurizing protrusion (35) provided with adhesion to the inner surface; is formed.

Liquid Container,

Description

Sealing structure of liquid container {SEALING STRUCTURE OF VESSEL}

The present invention relates to an airtight structure of a liquid container, and more particularly, to improve the structure of the airtight cap and lid to prevent the liquid contents from being buried or leaked at the bottleneck inlet when used to be inserted into the bottleneck inlet of the container. It relates to a gas tight structure of the liquid container to ensure.

In general, there are a number of containers for liquid contents. The most used of them are bowl-type containers and bottle-type containers. The former is used to temporarily store the solution, and the latter is mainly used to store the contents for a period of time. The bottle-type container that stores this solution does not interfere with the storage of liquid contents for a long time during use, and also uses an airtight member called an airtight cap at the inlet to prevent the contents from leaking or leaking the contents. Done. In addition, these bottle-type containers are often used to subdivide stored solutions little by little.

1 is a description of the registered utility model publication 20-142260 (notification number) corresponding to the present invention, the main content of which is fitted in accordance with the inlet 110 of the container 100, the outlet of the form protruded in the center ( An airtight cap (200) formed and having a flange portion (230) formed approximately equal to or slightly higher than the protrusion height of the outlet; Insertion protrusion 320 protruding in the form of being fitted into the outlet 210 of the hermetic cap 200 and the circumferential protrusion 310 for pressing the flange portion 230 of the hermetic cap 200 in the vertical direction. On the basis of that consisting of the lid 300 is formed with a female screw portion 330 for screwing the male screw portion 120 of the container 100,

A narrow pressing protrusion 220 is formed inside the hermetic cap 200 outlet 210 to have a structure fitted into close contact with the outside of the insertion protrusion 320 of the lid 300 (FIG. 1A), or

On the contrary, the pressure protrusion 321 of the diameter is formed on the outer side of the insertion protrusion 320 of the lid 300 so as to have a structure (FIG. 1B) that is fitted in close contact with the inside of the outlet 210 of the airtight cap 200. Is the heart of this document.

However, in the structure of the document, a limitation, i.e., a problem, to achieve airtightness is found.

1A and 1B, but the pressing protrusion formed in the outlet or the insertion protrusion is formed to ensure the airtightness to the outlet, but in order to substantially achieve the coupling between the outlet and the pressing protrusion must be made so that there is a slight gap between each other, In addition, the coupling relationship is a structure that inevitably leak the contents of the liquid to the gap.

In addition, the circumferential protrusion formed on the inner side of the lid also presses the flange portion of the airtight cap, but since it is pressurized only in the vertical direction, an incomplete element that may leak into the gap between the inlet of the container and the inner side of the airtight cap. It implies

Therefore, the present invention has been devised to solve the above problems, the purpose of which, in pressing the outlet and the flange portion of the airtight cap on the inner upper end of the lid so that the pressing force in the lateral direction as well as the resin direction to act simultaneously It is to provide an airtight structure of the liquid container so that a complete airtight structure is made so that no leakage occurs.

The present invention to achieve the above object,

An airtight cap fitted inside the inlet of the liquid container and having an outlet port protruding from the center portion, and a female threaded portion screwed into the male threaded portion outside the inlet, and a lid formed with an insertion protrusion provided at the inner top of the liquid outlet to provide a sealing force In the airtight structure of the liquid container,

An outlet pressurizing protrusion formed by pressing the outer surface of the outlet so that a cross section of the outlet is simultaneously applied in a vertical direction and a lateral stress to provide a close contact with the insertion protrusion;

And an inlet pressurizing protrusion which provides a close contact with the outer surface of the airtight cap and the inner side of the container inlet by simultaneously applying vertical and lateral stress to the inner end of the flange portion of the airtight cap to the outside of the outlet pressurizing protrusion. Have

Accordingly, in the hermetic structure of the present invention, it is preferable to form stress inclined surfaces so that the distribution ratios of the vertical and lateral stresses are increased on one side of each of the pressing protrusions interviewed with the outer surface of the outlet and the inner surface of the flange portion. Do.

In addition, the airtight structure of the present invention, it is preferable to form a mating inclined surface, respectively, so that the fitting can be smoothly fitted to the lower side of each side of the pressing projections in contact with the outer surface of the outlet and the inner surface of the flange portion.

When applying the present invention as described above, the shape of each pressing projection of the lid for pressing the airtight cap is formed so that the stress applied in the horizontal direction as well as the vertical stress can be applied, in addition to the top of the pressing projection By forming a stress inclined surface in the portion, and additionally configured a mechanism for pressing the outlet and the flange portion in the lateral direction during the closing operation of the lid is excellent in blocking the leakage of the liquid contents.

Figure 2 is an exploded perspective view showing an airtight structure of the liquid container according to the present invention, Figure 3 is a partially enlarged side cross-sectional view of Figure 2, Figure 4 shows another embodiment of the airtight structure of the liquid container according to the present invention Side cross section view.

As the configuration of the present invention is shown in Figures 2 and 3,

An airtight cap 20 fitted inside the inlet 11 of the liquid container 10 and having an outlet 21 protruding from the central portion thereof, and a female screw portion 33 screwed into the male screw portion 12 outside the inlet 11. In the airtight structure of the liquid container having a lid 30 having a lid 30 is formed on the inner upper end of the outlet port 21 is inserted into the outlet 21 to provide a sealing force,

Pressing the outer surface of the outlet 21, the outlet of the outlet 21 protrudes in the upper upper side of the lid 30 so that the vertical and lateral stress is applied at the same time to provide a close contact with the insertion protrusion (32) Pressing protrusion 34 is formed.

In addition, vertical and lateral stresses act simultaneously on the inner end of the flange portion 23 of the airtight cap 20 to the outside of the outlet pressurizing protrusion 34 so that the outer surface of the airtight cap 20 and the container 10 inlet. (11) An inlet pressurizing protrusion 35 is provided which provides adhesion to the inner surface.

In addition, a plurality of embossings 25 may be formed on the outer end surface of the airtight cap 20 in contact with the inner surface of the inlet 11 of the liquid container 10 to further improve the compressive force.

As shown in FIG. 4, another embodiment may be configured to further solidify the airtight structure for the outlet 21 and the flange 23.

That is, the stress inclined surface (surface of the stress inclined so as to increase the distribution ratio of the vertical and lateral stresses on the upper surface of one side of each of the pressing protrusions 34 and 35 in contact with the outer surface of the outlet 21 and the inner surface of the flange portion 23 ( It is the structure which forms 34a) 35a, respectively.

In addition, the coupling inclined surface 34b so as to be smoothly fitted to one side lower portion of each of the pressing protrusions 34 and 35 in contact with the outer surface of the outlet 21 and the inner surface of the flange portion 23 ( 35b) may be formed, respectively, to provide a smooth coupling structure between the cap 30 and the airtight cap 20.

A coupling inclined surface 21a may be formed on the inner circumferential surface of the outlet 21 for a smooth coupling structure between the insertion protrusion 32 of the lid 30 and the outlet 21 of the airtight cap 20.

Referring to the operating state of the subject innovation configured as described above are as follows.

In order to close the lid 30 after using the liquid contents contained in the liquid container 10, the male screw part 33 of the lid 30 is a male screw part 12 formed outside the inlet 11 of the container 10. When fitting together, the insertion protrusion 32 of the lid 30 is gradually inserted into the outlet 21 of the airtight cap 20, thereby making a sealed state. On the other hand, in the case of the embodiment in which the embossing 25 is formed, the sealed state is more reliably made.

The insertion protrusion 32 is slowly inserted into the outlet 21 of the airtight cap 20 and at the same time, the outlet pressurizing protrusion 34 and the inlet pressurizing protrusion 35 having the stress inclined surfaces 34a and 35a are formed at the stress. The inclined surfaces 34a and 35a simultaneously press the outlet port 21 and the flange portion 23 of the airtight cap in the vertical direction and the horizontal direction, resulting in a more firm contact with each other.

Figure 1a is an exploded perspective view showing an embodiment of a hermetic structure of a conventional liquid container.

1b is an exploded perspective view showing another embodiment according to FIG. 1a;

Figure 2 is an exploded perspective view showing an airtight structure of the liquid container according to the present invention.

3 is a partially enlarged side sectional view of FIG.

Figure 4 is a side cross-sectional view showing another embodiment of an airtight structure of a liquid container according to the present invention.

*** Explanation of symbols for main parts of drawing ***

10: liquid container, 11: inlet,

12: male thread portion, 20: airtight cap,

21: outlet, 23: flange,

30: lid, 32: insertion protrusion,

33: female thread portion, 34: outlet pressurization protrusion,

35: inlet pressurizing protrusion, 34a, 35a: stress inclined surface,

34b, 35b: mating slopes,

Claims (4)

An airtight cap 20 fitted inside the inlet 11 of the liquid container 10 and having an outlet 21 protruding from the central portion thereof, and a female screw portion 33 screwed into the male screw portion 12 outside the inlet 11. In the airtight structure of the liquid container having a lid 30 having a lid 30 is formed on the inner upper end of the outlet port 21 is inserted into the outlet 21 to provide a sealing force, The outlet port is formed on the upper side of the lid 30 to compress the outer surface of the outlet port 21 so that the cross section of the outlet port 21 is simultaneously applied in the vertical direction and the lateral stress to provide a close contact with the insertion protrusion 32. A pressing projection 34; Vertical and lateral stresses act simultaneously on the inner end of the flange portion 23 of the hermetic cap 20 to the outside of the outlet pressurizing protrusion 34 so that the outer surface of the hermetic cap 20 and the container 10 inlet 11 ) An airtight structure of a liquid container, characterized in that it forms; inlet pressurizing protrusion (35) provided with adhesion to the inner surface. The method of claim 1, wherein the distribution ratio of the vertical and lateral stress on the upper side of the upper side of each of the pressing projections 34, 35 in contact with the outer surface of the outlet 21 and the inner surface of the flange portion 23 is increased. An airtight structure of a liquid container, characterized by forming stress inclined surfaces 34a and 35a, respectively. The airtight of the liquid container according to claim 1 or 2, wherein a plurality of embossings (25) are formed on the outer end surface of the airtight cap (20) in contact with the inner surface of the inlet (11) of the liquid container (10). rescue. The method according to claim 1 or 2, so that the fitting can be smoothly fitted to the lower side of each side of the pressing projections 34, 35 in contact with the outer surface of the outlet 21 and the inner surface of the flange portion (23). The airtight structure of the liquid container, characterized in that each of the mating inclined surface (34b, 35b).

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