JP4209159B2 - container - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a container used in storing and / or transporting a liquid. More specifically, the present invention relates to a container suitable for storage and cooling of water purified by a water purifier and water containing carbon dioxide gas, with a simple structure of the container body and easy attachment / detachment of the cap from the container body.
[0002]
[Prior art]
In recent years, as a container used for storing and / or transporting liquids such as mineral water, soft drinks, and alcoholic beverages, a container body having a spout on its tip side and a detachable so as to cover the spout of the container body A container having a cap fixed to the container is used. In particular, a container using metal as the material of the container body can cool the purified water in a short time due to the high heat conductivity of the metal, for example, when water purified by a water purifier and cooled in a refrigerator, and carbon dioxide gas When water containing water is used, it can be used safely with no fear of rupture of the container due to the high strength characteristics of the metal against the pressure of the dissolved carbon dioxide gas. It is suitably used as a business water container or a portable water bottle.
[0003]
When storing and transporting containers configured in this way, containers with various shapes are used to prevent the caps from loosening due to vibration or impact, etc., and the liquid contained in the container body leaking out. Proposed.
[0004]
Specifically, as such a container, a cap is formed by elastically contacting a protrusion on the container body side and a locking protrusion having a stopper surface abutting on a flat surface of the protrusion on the cap side and a curved surface of the protrusion. There has been proposed a container having a configuration in which an elastic protrusion that exhibits the function of preventing loosening is formed (see, for example, Patent Document 1).
[0005]
In such a container, when the cap is screwed into the container body, the elastic protrusion first comes into contact with the curved surface at the tip of the protrusion. However, when the cap is further rotated, the protrusion is removed while slightly elastically deforming the elastic protrusion itself. It is inclined in the direction (radially outward of the cap), gets over it, is positioned in the fitting space, and is positioned in a state sandwiched between the stopper surface and the elastic protrusion.
[0006]
[Patent Document 1]
Japanese Utility Model Publication No. 63-48539 [0007]
[Problems to be solved by the invention]
However, the container configured in this way has a complicated shape of the container body, and as a material for the container body, the characteristics of the liquid contained therein do not change, the container itself is lighter, and more unique. The container body has a complicated shape like the above-mentioned protrusion, because the metal is a difficult-to-process material when titanium or an alloy containing this titanium is used because it has a high-class feel in color tone. There was a problem that it was difficult to form by molding.
[0008]
The present invention has been made in view of the above problems, and an object of the present invention is to provide a container in which the structure of the container body is simple and the cap can be easily attached to and detached from the container body.
[0009]
[Means for Solving the Problems]
To achieve the above object, the present invention comprises a container body having a spout on the upper end side thereof, and a cap that is detachably fixed to the container body so as to cover the spout of the container body. The container body has a protrusion in the vicinity of the spout, the cap has a groove on the inner periphery thereof, and the protrusion and the groove are the container body and The point from the final fixed state of the container main body and the cap over a range of 20 to 45 ° as a central angle centered on the point where each surface arranged facing the cap intersects the rotation axis the when the cap is fitted with a shift 45 to 135 ° around angle centered, it is formed so as not to the said projecting portion and the groove are in contact, the cap, the final Fixed state The container main body is disposed so as to cover the spout of the container main body at a position shifted by 45 to 135 ° as a central angle with respect to the point, and is rotated by a predetermined angle from the shifted state. The projection portion in the vicinity of the spout and the groove portion of the inner peripheral portion of the cap can be engaged to detachably fix the container body and the cap. The cap has at least a pair of concave and convex click portions at positions facing the axial direction of the cap, and the cap can be fixed to the container body at a predetermined axial rotation position.
[0010]
In the container of the present invention, the cap is composed of an outer lid and an inner lid, and an elastic cantilever portion is provided on the inner lid, and the uneven portion of the uneven click portion is provided on the cantilever portion. Either is installed. Moreover, it is preferable that it has a space part between the said outer cover and the said inner cover, and the said inner cover has a through-hole connected to the said space part.
[0011]
Moreover, in this invention, it is preferable that the said container main body consists of titanium.
[0012]
Moreover, in this invention, it is preferable that the both ends of the said groove part of the said cap are formed in a taper shape.
[0013]
Furthermore, in the present invention, it is preferable to further include an inner plug that can be screwed into the spout.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the container of the present invention will be described in detail with reference to the drawings. However, the present invention is not construed as being limited thereto, and the present invention is not limited to the scope of the present invention. Various changes, modifications, and improvements can be made based on the knowledge of the vendor.
[0015]
First, an embodiment of the container of the present invention will be described with reference to FIGS. FIG. 1 is a perspective view of a container according to the present embodiment, FIG. 2 is a plan view of a container body constituting the container according to the present embodiment, and FIG. 3 is a bottom surface of a cap constituting the container according to the present embodiment. FIG. The container 1 of the present embodiment includes a container body 3 having a spout 2 on the upper end side thereof, and a cap 4 that is detachably fixed to the container body 3 so as to cover the spout 2 of the container body 3. The container body 3 has a protrusion 5 in the vicinity of the spout 2, the cap 4 has a groove 6 in the inner periphery thereof, and the cap 4 is connected to the spout 2 of the container body 3. The projection 5 in the vicinity of the spout 2 of the container main body 3 and the groove 6 in the inner peripheral part of the cap 4 are engaged with each other by rotating the shaft by a predetermined angle. Further, the container body 3 and the cap 4 have at least a pair of concave and convex click portions 7 at positions facing each other in the axial direction, and the cap 4 is placed in a container at a predetermined axial rotation position. It can be fixed to the main body 3 . In the present embodiment, the container main body 3 has a convex portion 16 and the cap 4 has a concave portion 17 as the above-described uneven click portion 7.
[0016]
With this configuration, the structure of the container body 3 is simple, and the cap 4 can be easily attached and detached from the container body 3.
[0017]
As shown in FIGS. 2 and 3, each of the container body 3 and the cap 4 has two protrusions 5 and grooves 6. In the present embodiment, the container body 3 and the cap 4 are deviated from 45 to 135 ° as a central angle centered on a point where each face 8 opposed to the final fixed state intersects the rotation axis. Thus, the protrusions 5 and the grooves 6 are arranged so as not to come into contact with each other when fitted.
[0018]
Further, the length of the protrusion 5 and the groove 6 is in the range of 20 to 45 ° as a central angle centered on a point where each face 8 of the container body 3 and the cap 4 facing each other intersects the rotation axis. Ru length der to be formed. In the present embodiment, two protrusions 5 and groove portions 6 having such a length are arranged symmetrically with respect to the center described above.
[0019]
By configuring in this way, the cap 4 is disposed so as to cover the container main body 3, and the container main body 3 and the cap 4 can be detachably and easily fixed by rotating the shaft by a predetermined angle.
[0020]
In addition, as described above, when the cap 4 is disposed so as to cover the container main body 3 and rotated axially by a predetermined angle, the convex portion 16 of the container main body 3 and the concave portion 17 of the cap 4 are fitted together. By doing so, it is fixed to the container body 3 at a predetermined axial rotation position. With this configuration, when the container according to the present embodiment is used in, for example, a portable water bottle, the cap 4 is loosened due to vibration or impact, and the liquid stored in the container body 3 leaks out. This can be prevented.
[0021]
The material of the container body 3 used in the present embodiment is not particularly limited, but is selected from the group consisting of titanium, austenitic antibacterial stainless steel containing copper, and aluminum because of its excellent durability. It is preferable to use at least one kind of metal, and in particular, the elution of metal ions into the liquid contained in the container body 3 is small, the liquid flavor is not changed, the container itself is lighter, and the container has a unique color tone. It is preferable to use titanium that can provide a high-class feeling. Among these, titanium with an Fe content of 0.03% by weight or less is preferable because it does not cause a decrease in liquid flavor. Moreover, it is good also as a structure which provided the heat insulation layer in the outer peripheral surface of the double structure or the container main body 3 so that the heat insulation effect of the container main body 3 may improve.
[0022]
Further, the cap 4 used in the present embodiment is composed of an outer lid 10 and an inner lid 11 as shown in FIGS. Moreover, it is preferable that both the outer lid 10 and the inner lid 11 are joined by an adhesive layer 18 to form an integral cap 3. FIG. 4 is a partially enlarged cross-sectional view of the container of the present embodiment, and FIG. 5 is a partially enlarged cross-sectional view in a direction perpendicular to the cut surface of FIG.
[0023]
In the present embodiment, the inner lid 11 constituting the cap 4 is provided with an elastic cantilever portion so that the concave portion 17 of the cap 4 can be elastic, and the concave portion is provided in the cantilever portion. 17 set up. As described above, when the cap 4 is disposed so as to cover the container main body 3 and rotated axially by a predetermined angle, the concave portion 17 installed in the cantilever portion comes into contact with the convex portion 16 of the container main body 3. The shape is slightly elastically deformed, and is inclined toward the space 12 formed between the inner lid 11 and the outer lid 10 to get over the top of the convex portion 16 and then fitted with the convex portion 16. Restore to its original shape even in the state. Thereby, the cap 4 can be fixed to the container main body 3 at a predetermined axial rotation position. Further, if the thickness of the portion of the container body 3 where the convex portions 16 are installed is reduced, elasticity can be expected even on the container body 3 side, and the click feeling of the uneven click portion 7 is further improved. For example, in the case of an 800 cc container 1 (see FIG. 1), the thickness of the container body 3 is about 0.5 mm. This is preferable in terms of improving the click feeling. Although the convex part 16 has shown the example installed in the container main body 3 side, and the recessed part 17 was installed in the inner lid 11 side, the reverse may be sufficient, and the recessed part 17 may be a groove type other than the circular shape shown in FIG.
[0024]
Further, as the material of the inner lid 11, it is preferable to use a resin having a certain strength and elasticity, for example, ABS resin, PP resin, and the like. Further, it is possible to have elasticity, and it is possible to effectively prevent wear due to rubbing between the convex portion 16 and the concave portion 17.
[0025]
The material of the outer lid 10 is not particularly limited, but the same material as that used for the container body 3 can be suitably used.
[0026]
Further, in the present embodiment, as shown in FIG. 5, there is a space portion 12 between the outer lid 10 and the inner lid 11, and the inner lid 11 has a through hole 14 that communicates with the space portion 12. It is preferable. By having this through-hole 14, it is possible to prevent damage due to expansion of the gas in the space portion 12 when the temperature changes, in particular, when the temperature rises. Moreover, as shown in the Example mentioned later, when connecting the outer lid | cover 10 and the inner lid | cover 11 with an adhesive agent, the adhesive agent which discharges | emits the air of the space part 12 outside by the through-hole 14, and is apply | coated to an adhesive surface is used. It is possible to prevent the adhesive layer 18 from disappearing or partially disappearing. If the adhesive layer between the outer lid 10 and the inner lid 11 is reliably continuous, the outer lid 10 and the inner lid may be used to prevent water from entering the space 12 when the cap 4 is washed. After the adhesion of 11, the through hole 14 may be sealed with an adhesive or the like.
[0027]
Further, in the present embodiment, as shown in FIG. 5, when the container body 3 and the cap 4 are fitted, the protrusion 5 and the groove 6 are in contact with each other, and when the container body 3 and the cap 4 are fixed, As shown in FIG. 4, the concave / convex click portion 7 installed at a position facing the container body 3 and the cap 4 in the axial direction is in contact, and the other facing surfaces other than these are not in contact.
[0028]
Further, in the present embodiment, as shown in FIG. 6, it is preferable that both end portions of the groove portion 6 of the cap 4 are formed in a tapered shape 19. Thereby, fitting with the projection part 5 (refer FIG. 1) of the container main body 3 (refer FIG. 1) and the groove part 6 of the cap 4 becomes easy. Moreover, you may form the both ends of the projection part 5 (refer FIG. 1) of the container main body 3 (refer FIG. 1) in the taper shape.
[0029]
In the present embodiment, as shown in FIGS. 4 and 5, the container 1 may further include an inner plug 15 that can be screwed into the spout 2. At this time, a configuration in which a packing 25 made of polyethylene or the like is further provided in a portion of the inner plug 15 that is in direct contact with the spout 2 may be adopted. By comprising in this way, the airtightness of the container main body 3 and the sanitary surface of the spout 2 can be improved further.
[0030]
Moreover, in the container 1 of this Embodiment, in order to carry easily, it is good also as a structure which has arrange | positioned the string hung on a holding part, a neck, etc. in the outer peripheral part of the container main body 3. FIG.
[0031]
【Example】
EXAMPLES The present invention will be specifically described below with reference to examples, but the present invention is not limited to these examples.
[0032]
A container 1 having a shape as shown in FIG. 7 was formed. The container body 3 is made of a plate-like titanium material. The bottom part integrally press-molded, the body part press-molded into two parts, the top part integrally press-molded, and the spout processed from the pipe material are formed by argon welding. After assembling, the inner oxide film was washed with acid, and the outside was prepared in a satin-like manner by sand blasting, followed by clear resin coating for protection.
[0033]
The cap 4 is composed of an outer lid 10 (see FIG. 5) made of titanium and an inner lid 11 (see FIG. 5) made of ABS resin, and the outer lid 10 (see FIG. 5). The inner lid 11 (see FIG. 5) is formed to have a space 12 (see FIG. 5) between them. The outer lid 10 (see FIG. 5) was formed into a predetermined shape by press-molding a plate-like titanium material, washed with acid in the same manner as the container body 3, and then subjected to sand plasting and protective clear coating on the outside.
[0034]
8A to 8C are a cross-sectional view and a plan view showing the configuration of the inner lid of the cap in the present embodiment. As shown in FIGS. 8A to 8C, when the cover 20 forms the concave portion 17 of the inner lid 11, the cover 20 is used to prevent the adhesive from flowing into the opening due to the mold structure. It is fixed to the inner lid 11 by fitting or bonding before bonding to the outer lid 10 (see FIG. 5). The wall 21 is a part that adheres to the outer lid 10 (see FIG. 5), and the area is determined by the strength of the adhesive used. Further, the positions of the outer lid 10 (see FIG. 5) and the inner lid 11 are determined by the edge 23 provided on the inner lid 11. Further, the back plate 24 is a portion that holds the outer lid 10 (see FIG. 5) from the inside, and that the outer lid 10 (see FIG. 5) is significantly deformed by an external force applied to the outer lid 10 (see FIG. 5). It is preventing. In addition, one through hole 14 is provided in the cap 4 (see FIG. 5).
[0035]
Further, the titanium outer lid 10 (see FIG. 5) and the resin inner lid 11 are bonded to each other with a silicone-modified polymer-based adhesive in order to bond materials having different coefficients of thermal expansion to ensure adhesiveness and elasticity. An agent (trade name: Super X manufactured by Cemedine Co., Ltd.) was used.
[0036]
In the present embodiment, as shown in FIG. 7, the container body 3 is centered around a point where each surface 8 (see FIG. 1) of the container body 3 and the cap 4 facing each other intersects the rotation axis. Two protrusions 5 arranged over a range of 30 ° as corners, and the cap 4 has a structure in which two grooves 6 corresponding to the protrusions 5 are provided on the inner lid of the cap 4, and the container body 3 The protrusion 16 and the recess 4 of the cap 4 are provided with two uneven click portions 7.
[0037]
Further, an inner plug 15 that can be screwed with the pouring spout 2 of the container body 3 is formed using polypropylene, and the inner plug 15 has a packing 25 made of polyethylene at a portion that directly contacts the pouring spout 2 (FIG. 5). Reference) was provided.
[0038]
【The invention's effect】
As described above, according to the present invention, it is possible to provide a container in which the structure of the container body is simple and the cap can be easily attached and detached from the container body.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a container according to an embodiment of the present invention.
FIG. 2 is a plan view of a container body constituting the container according to the embodiment of the present invention.
FIG. 3 is a bottom view of a cap constituting the container according to the embodiment of the present invention.
FIG. 4 is a partially enlarged cross-sectional view of a container according to an embodiment of the present invention.
FIG. 5 is a partially enlarged cross-sectional view of a container according to an embodiment of the present invention.
FIG. 6 is a cross-sectional view showing a configuration of an inner lid of a cap that constitutes a container according to an embodiment of the present invention.
FIG. 7 is a perspective view showing a container according to an embodiment of the present invention.
FIGS. 8A and 8B are explanatory views showing a configuration of an inner lid of a cap constituting a container according to an embodiment of the present invention, wherein FIGS. 8A and 9B are cross-sectional views and FIG. 8C is a plan view.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Container, 2 ... Spout, 3 ... Container main body, 4 ... Cap, 5 ... Projection part, 6 ... Groove part, 7 ... Concavity and convexity click part, 8 ... Oppositely arranged surface, 10 ... Outer lid, 11 ... Inner lid , 12 ... Space part, 14 ... Through hole, 15 ... Inner plug, 16 ... Convex part, 17 ... Concave part, 18 ... Adhesive layer, 19 ... Tapered, 20 ... Cover, 21 ... Wall, 23 ... Edge part, 24 ... Back plate, 25 ... packing.

Claims (5)

A container comprising a container body having a spout on its upper end side, and a cap detachably fixed to the container body so as to cover the spout of the container body,
The container body has a protrusion in the vicinity of the spout, and the cap has a groove on its inner periphery,
The protrusion and the groove are in a range of 20 to 45 ° as a central angle centered on a point where each surface of the container main body and the cap arranged opposite each other intersects the rotation axis, and the container main body When the cap is fitted in a state shifted by 45 to 135 ° as a central angle centered on the point from the final fixed state between the cap and the cap, the protrusion and the groove may come into contact with each other. Formed so that there is no
The cap is disposed so as to cover the pouring spout of the container main body at a position shifted from the final fixed state by 45 to 135 ° as a central angle centered on the point, and from the shifted state by a predetermined angle. By rotating the shaft, the protrusion in the vicinity of the pouring spout of the container main body engages with the groove in the inner peripheral portion of the cap, and the container main body and the cap are detachably fixed. Yes, and
The container body and the cap have at least a pair of concavo-convex click portions at positions facing the axial direction, and the cap is composed of an outer lid and an inner lid, and the cantilever having elasticity in the inner lid The container is characterized in that any one of the uneven portions of the uneven click portion is provided on the cantilever portion, and the cap can be fixed to the container main body at a predetermined axial rotation position. A space portion between the inner lid and the outer lid, the inner lid container according to claim 1 having a through-hole communicating with the space portion. A container according to claim 1 or 2, wherein the container body is made of titanium. The container according to any one of claims 1 to 3 , wherein both end portions of the groove portion of the cap are formed in a tapered shape. A container according to any one of claims 1 to 4, wherein the spout and screwed further comprising inner plug possible.

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