KR20050019706A - Cover body locking structure for sealed vessel - Google Patents

Abstract

The cover body consists of a cross-sectional concave gripping portion and a cap portion provided inside the gripping portion center, and has a cutout portion formed in the cap wall circumferential wall cross section in a direction perpendicular to the thread, and the container body neck base is the same as the outer circumference of the cap portion. A thickness portion having a diameter is formed, and the cut portion formed in the orthogonal direction with the thread is provided in the thickness portion, and at the completion of the screwing of the cap portion and the container body neck portion, the cut portions of the cut portion and the circumferential wall end face of the cap portion contact each other. Moreover, one area | region of a holding part provides the cover body locking structure of the sealed container which always corresponds to the predetermined one area | region of a container main body.

Description

COVER BODY LOCKING STRUCTURE FOR SEALED VESSEL}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cover body locking structure of a container including a container body and a cover body screwed thereto, wherein the cutout portion provided in a thread orthogonal direction of the neck portion of the container body neck base and the cap outer periphery is formed. By contacting with each other, it is possible to always correspond to one region of the container body integrally formed with the cap portion and the cover body integrally formed, and also sealed by the annular skirt portion with the inclined processing formed in the center of the cap bottom portion. It is related with the cover body locking structure of the sealed container which improved the property.

Conventionally, in a container of a type in which the container neck portion and the cap are screwed together, many of them have a structure of simply inserting a male screw and a female screw. In addition, both the external thread and the external thread are molded by a synthetic resin for both the container and the cap from the purpose of manufacturing and processing at low cost and ease of handling.

However, in such a container, tightening or tightening the cap too tightly depends on the user's sensation, so that it is not always possible to obtain a complete screwed state. In addition, due to repeated use, the threads are subject to wear, which causes problems in screwing, and the above-described idea becomes more remarkable with time.

In addition, for the reason mentioned above, when the same side or the same area | region of a cap does not always correspond with respect to a container main body, even if it tries to implement the design which recognized the container main body and a cap integrally, when a discrepancy arises between them, As there are many, designs were carried out separately so far, or the cap was deviated from the object of design.

Therefore, in view of the above problems, the present invention improves the sealability of the cap, and at the same time, the cap and the container main body are always corresponded in a constant area, so that a complete screwed state can always be obtained without depending on the user's sense. It is an object of the present invention to provide a lid catching structure of a sealed container in which a discrepancy caused by a screwing degree of a cap and a discrepancy due to wear over time or a problem does not occur.

<Start of invention>

The lid locking structure of the sealed container of the present invention has a means for stopping the progress of screwing to a portion of the lid and the container, and the lid locking structure of the sealed container of the present invention is a lid. It consists of a cross-sectional concave gripping part and the cap part provided in the inside of the gripping part center, and has the notch part provided in the cap part circumferential wall cross section in the orthogonal direction to a thread, and has the thickness of the same diameter as the said cap outer periphery on the base of the said container body neck. The part is formed, and the cutout part formed in the orthogonal direction with a screw thread is provided in the said thickness part, When the screw part of a cap part and a container main body neck part is screwed together, the cutout part of the said cutout part and the circumference of the cap part main wall contact | connects, and a wave One region of the branch always corresponds to a predetermined region of the container body, and the lid body locking structure of the sealed container of the present invention has a cross section concave wave. The upper end of the upper end of the female thread formed in the cap is formed of a cap part provided inside the center of the branch and the grip part. At the completion of screwing the cap part and the container body neck part which have a structure in which the surface is orthogonal to the thread and the female thread groove forming is completed, the male screw tip end face and the female screw end face are in contact with each other. The area always corresponds to a predetermined area of the container body, and the cover body locking structure of the sealed container of the present invention is a container body and a cover body made of synthetic resin in the configuration of claims 1 to 3, The cover body is harder than the container body, and the cover body locking structure of the sealed container of the present invention has a cap portion inner bottom in the configuration of claims 1 to 3. Has an annular skirt portion having a tapered inclination formed in the container opening direction, and the outer circumference of the annular skirt portion hangs on the inner circumference of the container body opening, and at the completion of screwing the cap portion and the container body neck portion, the container body neck The sub-circumferential wall bends and deforms in the radially outward direction according to the inclination of the annular skirt portion, and the sealing member of the sealed container according to the present invention has a transparent cap screwed to the container body and the container body neck portion. The cover body locking structure of the closed container which consists of a cover body of the concave-type holding part of a cross section, Comprising: The cover body has the fitting hole which fits with a transparent cap, and the locking means which a cover body and a container main body catches, or a cover body and a transparent cap has It is a main point to have any one of the latching means to be caught.

1 is an overall reference diagram of a container having a lid engaging structure of a sealed container of the present invention;

2 is an enlarged perspective view showing the structure of the lid;

3 is a cross-sectional view of the lid and the container neck portion of the screw coupling completed;

4 is a partially omitted perspective view showing the container body neck portion;

FIG. 5 is a perspective view showing a lid engaging structure showing a second embodiment; FIG.

Fig. 6 is a schematic diagram illustrating a lid engaging structure showing a third embodiment;

Fig. 7 is a schematic diagram illustrating a cover body locking structure showing a fourth embodiment;

Fig. 8 is a schematic diagram illustrating the lid body locking structure showing the fifth embodiment.

A sealing container having a lid locking structure of the sealing container of the present invention is a sealing container comprising a lid body integrally formed with a cap portion provided at a center inside the grip portion, and a container body having an opening in the neck portion, The constituent material is a thermoplastic resin such as polystyrene, polyethylene, polypropylene, polyvinyl chloride, or a thermosetting resin such as a phenol resin, or other synthetic plastic, and the cover body is molded harder than the container body. You may shape | mold harder than a cover body. These moldings are based on injection molding, blow molding, vacuum molding, compression molding, or other known molding methods. In addition, according to the kind of content, if the characteristic of this application is not impaired, it is not limited to the said material, You may use other materials. Moreover, you may make a container main body or a cover body transparent as needed.

As shown in FIG. 1 and FIG. 3, the lid 2 of the sealed container which has the lid body locking structure of the sealed container of this invention is carried out by the holding part 3 of cross-sectional concave shape, and the inside of the said holding part center center. It has the structure which integrally formed the cap part 4 which has the internal thread 11 provided in the inner periphery. In addition, as shown in FIG. 2, the holding portion inner wall and the cap portion may be supported by the support piece 7 for reinforcement. And the notch part 6 provided in the orthogonal direction with a screw thread is formed in the cap part main wall end surface.

The container body neck portion 9 is provided with a male screw 10 for screwing with the cap part female screw, and the container body neck base is provided with a thickness portion 12 having the same outer diameter as the cap outer periphery, and the thickness thereof. The notch 13 provided in the orthogonal direction with the thread | thread was formed in the part, and the said notch 13 and the said notch 6 contact each other, and the screw connection of a cap part and a container main body neck part stops in that position.

In addition, as formed in the direction orthogonal to a screw thread, as shown in FIG. 4, it means cutting out from the surface containing the axis P which passes through the center of a container opening part.

Moreover, as a means of stopping advancing of screwing of a lid | cover body and a container neck part, it is also conceivable to make the external thread and the external thread contact with each other from the surface.

That is, the male end of the opening side of the male thread is formed with a face perpendicular to the thread, and the upper bottom end groove of the female thread installed in the cap is faced in the direction perpendicular to the thread to terminate the female thread groove. When the screwing of the container body neck part is completed, the male screw tip end face and the female screw end face are in contact with each other.

In addition, as provided in the orthogonal direction to the screw thread mentioned above, as shown in FIG. 4, it means cutting out from the surface containing the axis P which passes through the center of a container opening part.

In addition, the bottom of the cap portion has an annular skirt portion 8 having a tapered inclined portion 14 formed by extending in the container opening direction at the bottom of the cap portion. At the completion of the screwing of the neck portion, a force in the radially outward direction is applied to the main wall of the container body neck portion so that the seal is caught. At this time, since the container main body is molded with a material softer than the lid, the neck circumferential wall front end portion is slightly deformed in the radially outward direction as shown in FIG.

In addition, the shape of a container main body is not limited to the shape shown in the below-mentioned Example, As long as it has the characteristics of this application, it is good also as other three-dimensional shape.

In addition, as shown in FIG. 7, FIG. 8, the said recessed part 3 and the cap part 4 are comprised separately, and are comprised by the cover body 2a and the transparent cap 4a, and the cover body 2a. The locking means 19, 20, 21, 22, or the cover which forms the fitting hole 18 to which the said cap 4a fits, and which the cover body 2a and the container main body 1 hold | maintain. It is good also as a structure which has the locking means which concerns on the combination of any one of the locking means 23 and 24 which the sieve 2a and the said cap 4a catch.

(Example 1)

EMBODIMENT OF THE INVENTION Below, the 1st Example of the cover body locking structure of the airtight container of this invention is demonstrated with reference to FIGS.

1 is an overall reference view of a container having a cover body locking structure of the sealed container of the present invention, Figure 2 is an enlarged perspective view showing the structure of the cover body, Figure 3 is a cross-sectional view of the lid and the container neck portion of the screw coupling, Figure 4 Is a partially omitted perspective view showing the container body neck portion. In addition, the female screw is shown in FIG. 2, and the male screw, the female screw, and the holding part are abbreviate | omitted in FIG. 1 is a container, 2 is a cover body, 3 is a grip part, 4 is a cap part, 5 is a container main body, 6 is a cutout part installed in the main wall of the cap part, 7 is a support piece, 8 is an annular skirt part, 9 is a container body neck In addition, 10 is a male thread, 11 is a female thread, 12 is a thickness part, 13 is a cutout part provided in the thickness part, 14 is an outer inclination of an annular skirt part.

As shown in FIG. 1, the sealed container 1 according to the present embodiment includes a container body 5 of a rectangular parallelepiped having a neck 9, and a lid 2 adapted to the shape and outer diameter of the container body. It consists of.

As shown in FIG. 1 and FIG. 3, the cover body 2 of the sealed container which has the cover body locking structure of the sealed container of this invention is provided in the holding part 3 of cross-sectional concave shape, and the inside of the said holding part center center. It consists of one cap part 4, the female screw 11 is formed in the inner periphery of the said cap part, and the cutout part 6 is formed in the cross section of the cap part main wall in the direction orthogonal to a screw thread. In addition, as shown in FIG. 2, the holding part inner wall and the cap part are supported by the support piece 7 for reinforcement.

On the other hand, the male thread 10 is provided in the neck part 9 of the container main body 5, and the thickness part 12 of the outer diameter same as the outer periphery of the said cap part is formed in the neck base of the said container main body, and the said thickness part The notch 13 provided in the direction orthogonal to a screw thread is formed in this.

The airtight container 1 in this Example has 55 mm of one side and 140 mm of total length, and the height of the inner cover body is 30 mm.

As for the material, the container main body 5 is polyethylene, and the cover 2 is shape | molded by polystyrene, respectively, and the cover 2 is harder than the container main body 5. In addition, as long as a material does not impair the characteristic of this application, you may use other synthetic resin etc. as a material.

On the basis of the gripping portion 3, it is fitted to the female screw 11 provided on the inner circumference of the male portion 10 of the container body neck portion 9 and the cap portion 4, and further proceeds with screwing. As shown in FIG. 5 (b), the cutout portion 6 of the cap circumferential wall cross section is screwed at the point of contact with the cutout portion 13 provided in the direction perpendicular to the thread of the container body neck base thickness portion 12. The join is complete.

Since the container body is molded from a material softer than the lid, as shown in Fig. 3, the inner wall of the tip of the container body neck portion is fitted into the annular skirt portion 8 while advancing the screwing, and the tip thereof. By slightly deforming in the radially outward direction along the outer inclined portion 14 of the annular skirt portion 8, the sealing can be further improved.

As mentioned above, when using this invention, not only the sealing property of a container can be improved, ie, the notch part 6 of the cap part circumferential wall cross section, and the notch part 13 of the container body neck base thickness part 12 contact | connected mutually. Since the starting point is the completion point of screwing, the operation of closing the lid is easily ensured without depending on the user's sense, and even if the container is made of a synthetic resin, the screwing is caused by the wear of the thread associated with long-term use. No problem occurs, and when the screwing is completed, the one side of the lid does not deviate from the one side of the vessel body and always corresponds to the same side, so that the cover body and the vessel body can be integrally recognized. .

Moreover, when the position of the notch part 6 formed in the cap part, and the notch part 13 provided in the container main body neck base thickness part is fixed to the container main body front and the side center part to determine, the container main body 5 is Even if the cover body 2 is separate from each other, which side is the front side is obvious at a glance, and is convenient for handling.

(Example 2)

A second embodiment of the present invention will be described with reference to FIG.

Fig. 5 is a perspective view showing the lid engaging structure of the second embodiment, in which male and female screws are omitted. 15 denotes a fitting groove, and the numerals indicated in the other drawings correspond in the same manner as in the first embodiment.

The container main body 5 in this embodiment is a columnar body, and the grip part 3 integrally formed with the cap part 4 is formed according to the said shape and outer diameter. Further, a circular fitting groove 15 is provided around the container body neck portion 9 in accordance with the circumferential wall of the cap 4 at the top of the container body, and a spiral bottom is formed in the fitting groove, as shown. At one end, the notch 13 was formed at an acute angle.

The edge part of the circumferential wall of the cap part 4 is shape | molded at the acute angle according to the shape of the said notch 13, and is shape | molded to the shape of the spiral groove bottom part of the fitting groove 15. As shown in FIG.

In addition, although not shown about an annular skirt part, a male screw, a female screw, these structures and structures are the same as that of 1st Example.

Also in the structure shown in this embodiment, the effect of the certainty of the operation of closing the lid and the one region of the gripping portion and the one region of the container body always correspond to the first embodiment. In addition, in the first embodiment described above, it is both cutouts that have faced at right angles, but by forming at an acute angle as in this embodiment, screwing is completed more reliably.

When the screwing of the lid and the container main body is completed by the present embodiment, the cutout portion enters the fitting groove 15, so that when the grip portion 3 is made transparent, a refined design is obtained.

(Example 3)

A third embodiment of the present invention will be described with reference to FIG.

Fig. 6 is a schematic view explaining the lid engaging structure showing the third embodiment. 16 is the container opening side front end face of a male screw, 17 is the upper bottom side front end groove surface of a female thread, and the numbers shown in other figures correspond like a 1st Example. In addition, since FIG. 6 is a schematic diagram which shows the structure and shape of (16) (17), some male screw and female screw are abbreviate | omitted.

Opening-side end 16 of the male screw is faced in a direction perpendicular to the screw thread to form a male screw, and an upper bottom end groove of the female screw provided in the cap part is faced in a direction perpendicular to the thread to terminate the female screw groove. With this structure, the tip end of the male screw 10 of the container body neck portion 9 is inserted into the female screw groove of the cap portion 4, and screwing is performed, so that the container opening side end face 16 of the male screw is finally formed. The screwing is completed at the point of contact with the upper bottom side distal groove face 17 of the female thread.

If the positions at which the male screw tip surface 16 and the female screw tip groove surface 17 are formed correspond to the predetermined side surfaces, it is possible to always correspond to one region of the gripping portion and one region of the container body when the screwing is completed.

Moreover, sealing property can be improved by providing the annular skirt part of a cap part according to the structure shown in a present Example.

(Example 4)

A fourth embodiment of the present invention will be described with reference to FIG.

Fig. 7 is a schematic diagram illustrating the lid locking structure showing the fourth embodiment. In addition, since the lowest figure of FIG. 7 is a schematic diagram which shows the latching state of the lid | cover body 2a and the container main body 1, a male screw and a female screw are abbreviate | omitted including a container neck part. 2a is a cover body, 4a is a transparent cap, 18 is a fitting hole, 19 is a locking convex part installed in the cover body 2a, 20 is a locking recess provided in the cover body 2a, and 21 is a container 1 The hooked convex portion 22 provided in the container 1 is a hooked recessed portion provided in the container 1, and the numerals shown in the drawings correspond to the same as in the first embodiment.

In the present embodiment, the lid 2a and the transparent cap 4a are formed separately, and the fitting body 10 is formed in the lid 2a to be fitted with the transparent cap 4a. It has the locking means by which 3a and the container main body 1 are caught.

The locking convex part 19 and the container main body 1 which screwed the transparent cap 4a to the container neck part, and formed the lid | cover body 2a and the container main body 1 in the lid | cover body 2a after that. The locking concave portion 22 formed on the cover 2 is further engaged with the locking concave portion 20 formed on the lid 2a and the locking convex portion 21 provided on the container body 1. The lowermost figure of FIG. 7 is sectional schematic drawing which shows the fitted state of the container main body 1, the transparent cap 4a, and the cover body 2a, As shown in the figure, the transparent cap 4a and the cover body (2a) is comprised so that it may become the same surface.

In addition, the latching means 21 and 22 on the container side may be provided in the circumference other than being formed in one part as shown in the figure of the middle of FIG.

According to the structure by this Example, since a transparent cap is covered by the cover body, there is little possibility of loosening, and since a cap is transparent, the mixed state of the contents can be easily confirmed without removing a cap, and it is also caught It is preferable to secure the engagement between the lid and the container body by means.

(Example 5)

A fifth embodiment of the present invention will be described with reference to FIG.

8 is a schematic view of a lid body locking structure illustrating the fifth embodiment. In addition, since the lowest figure of FIG. 8 is a schematic diagram which shows the locking state of the cover body 2a and the transparent cap 4a, the male screw and the female screw are abbreviate | omitted including a container neck part. Reference numeral 23 denotes a latching convex portion provided on the lid 2a, 24 hooking recessed portion provided on the transparent cap 4a, and the numerals shown in the drawings correspond to the same as in the previous embodiment.

This embodiment is related to the modified invention of the fourth embodiment and, as shown in the top view of FIG. 8, has a width in the fitting hole 18, and is convex on the side wall of the fitting hole 18. Four places 23 are formed, and as shown in the figure of the middle part of FIG. 8, the latching recessed part 24 is formed in the transparent cap 4a corresponding to the latching convex part 23. As shown in FIG. In addition, as shown in the lowermost figure of FIG. 8, also in this embodiment, the transparent cap 4a and the cover body 2a are comprised so that it may become the same surface.

Even with the configuration according to the present embodiment, the mixed state of the contents can be easily confirmed without removing the cap, and the cover body and the transparent cap are caught, so that no special processing to the container body 1 is necessary.

As described above, according to the present invention, the completion of the operation of closing the lid can be accurately and easily recognized by combining both cutout portions formed in the container main body side and the cap portion while increasing the sealing property. Even a container made of a resin does not cause a problem of screwing due to wear of the thread with long-term use.

In addition, one side or one area of the lid and one side or one of the lid are not always displaced at the time of completion of screwing, and always correspond to the same surface. It becomes possible.

Moreover, since the lid | cover body and a container main body, or a lid | cover body and a cap are caught quickly and reliably by the locking means, handling of the container is easy and preferable.

Claims (6)

A lid body locking structure of a sealed container having a lid body screwed to a container neck portion, wherein the lid body locking means has a means for stopping the progress of screwing to a portion where the lid body and the container are caught. rescue. In the lid body locking structure of the sealed container which has a lid body screwed with a container neck part, the said lid body consists of a cross-sectional concave gripping part and the cap part provided in the inside of the gripping part center, It has a cutout provided in the orthogonal direction to the container main body neck base, the thickness part of the diameter same as the outer periphery of the said cap part is formed, The cutout part provided in the orthogonal direction with a screw thread is formed in the said thickness part, and a cap part and a container Upon completion of the screwing of the main body neck portion, the cutout portion and the cutout portion of the cap wall circumferential end face contact each other, and one region of the grip portion always corresponds to a predetermined region of the vessel body. Sieve structure. In the cover body locking structure of the sealed container which has the cover body which screwed together with a container neck part, the said cover body consists of a cross-sectional recessed holding part and the cap part provided in the inside of a holding part center, and was attached to the container neck part. The container opening side end of the male thread has a face formed perpendicular to the thread, and is formed by a male thread.The top bottom end groove of the female thread installed in the cap portion has a face perpendicular to the thread to finish forming the female thread groove. And the end face of the male screw and the end face of the female screw contact each other at the completion of screwing the container body neck portion, and one region of the gripping portion always corresponds to a predetermined region of the container body. Sieve structure. The cover body locking structure of the sealed container of any one of Claims 1-3 in which the cover body is harder than the container body in the container body and cover body which are made of synthetic resin. The container cap opening portion according to any one of claims 1 to 3, wherein the cap portion inner bottom has an annular skirt portion having a tapered inclination formed by extending in the container opening direction, and the outer periphery of the annular skirt portion is a container body opening portion. Take next week, When the cap part and the container body neck part are completely screwed in, the container main body neck part main wall is bent and deformed in a radially outward direction in accordance with the inclination of the annular skirt part, and the cover is locked. In the cover body locking structure of the airtight container which consists of a cover body which screw-connects a container main body and a container main-body neck part, and the cover body of a cross-sectional recessed holding part, A lid body has a fitting hole fitted with a transparent cap, and also has the means of any one of the locking means which a cover body and a container main body hold, or the locking means which a cover body and a transparent cap hang.