JP2005014968A - Snap hinge cap - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem that a variety of hinge caps corresponding to inner stoppers having spouts of various desired sizes have to be prepared in order to vary the size of a spout in response to the viscosity of a content liquid in using a conventional hinge cap, so that a plurality of dies for manufacturing the conventional hinge caps are required. <P>SOLUTION: A snap hinge cap 1 is provided, and the hinge cap 1 comprises a cap body 2, which has a top face 5 on which an opening 6, into which a spout 8c (9c) of an inner stopper 8 (9) is inserted, is formed and is fitted on the mouth 10a of a container 10 with the inner stopper 8 (9) attached to the cap body 2. The hinge cap 1 also includes a lid 3, which is connected swingably to the cap body 2 via a hinge 4 and has a projecting stopper 7, which is engaged with the spout 8c (9c), on the back of the lid 3. The stopper is composed of a plurality of cylindrical projections 7a and 7b arranged concentrically. Any of the cylindrical projections is engaged with a spout formed on a different inner stopper to have a different inner diameter to close the container 10. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a snap hinge cap capable of opening and closing a discharge port communicating with the inside of a container with one touch by an opening and closing operation of a lid body hinge-connected to a cap body attached to a mouth portion of the container.
[0002]
[Prior art]
Conventionally, as a snap hinge cap of this type, as shown in FIG. 4, a holding plate 13b having a cylindrical shape and a screw portion 13a that is screwed into the mouth portion 11a of the container 11 on the inner periphery and an opening 13c on the upper surface. And a cap body 14 that is connected to the cap body 13 via a hinge 15 so as to be openable and closable, and has a cylindrical plug body 14a protruding from the center of the back surface. there were.
[0003]
The snap hinge cap 12 is attached to the mouth portion 11a of the container 11 with the inner plug 16 formed of soft plastic in order to obtain a sealing property, and is inserted into the upper tube portion 16c of the inner plug 16 protruding from the opening 13c. In addition, when the plug 14a is inserted, the upper cylinder portion 16c serving as a discharge port is sealed so that the content liquid does not leak through the plug 14a.
[0004]
The inner stopper 16 is configured such that the surrounding flange portion 16b is placed on the mouth portion 11a of the container 11, and the lower tube portion 16a is fitted into the mouth portion 11a of the container 11. (For example, refer to Patent Document 1).
[0005]
Further, in the same configuration as described above, a flexible annular plate is provided on the inner periphery of the upper tube portion of the inner plug, and the annular plate is used to achieve adhesion with the stopper provided on the back surface of the lid. As a result, the sealing performance was improved without impairing operability. (For example, refer to Patent Document 2).
[0006]
[Patent Document 1]
Japanese Utility Model Publication No. 61-153753 (page 5-7, FIG. 2)
[Patent Document 2]
Japanese Utility Model Publication No. 62-93049 (page 6-9, FIG. 1)
[0007]
[Problems to be solved by the invention]
Each of the conventional snap hinge caps described above is provided on the back surface of the lid by sandwiching a flexible cylindrical inner plug formed of a soft plastic between the mouth of the container. By fitting the plug, the inside plug that becomes the discharge port was sealed. For this reason, the diameter of the inner plug serving as the discharge port is determined by the diameter of the plug body provided on the lid, and in order to change the size of the discharge port, the inner plug is changed and the snap hinge cap itself is It had to be changed to one corresponding to the inside plug.
[0008]
Therefore, in order to cope with various content liquids having different viscosities, a plurality of inner plugs having different inner diameters of the discharge ports are prepared, and a snap hinge cap having a plug corresponding to the inner plug is also prepared. There is a problem in that the number of types of parts having similar shapes increases, and management thereof becomes troublesome.
[0009]
In addition, since the snap hinge cap is formed by integrally forming a cap body on the cap body, its manufacturing mold is larger than that for ordinary cap molding, and the mold includes a threaded portion. Therefore, there is a problem in that the structure is complicated and expensive, the equipment investment cost is increased, and the manufacturing cost is increased.
[0010]
An object of the present invention is to solve the problems of the conventional snap hinge cap.
[0011]
[Means for Solving the Problems]
In order to solve the above-described problems, in the present invention, a screw portion that is substantially cylindrical and that is screwed into the mouth portion of the container is provided on the inner periphery, and an opening through which the outlet of the inner plug is inserted is provided on the top surface. In a snap hinge cap comprising: a cap body that is swingably hinged to the cap body, and a cap body that protrudes from the back surface to fit the discharge port. The installed plug body is composed of a plurality of cylindrical protrusions arranged concentrically, and any one of the cylindrical protrusions is fitted to a plurality of types of middle plugs having different inner diameters of the discharge ports. It is characterized by being able to be closed.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail based on illustrated embodiments.
[0013]
FIG. 1 is an explanatory view showing an example of use of a snap hinge cap according to the present invention, FIG. 2 is a longitudinal sectional view of an essential part showing a plugged state according to the first use example, and FIG. 3 is according to a second use example. It is the principal part longitudinal cross-sectional view which showed the closure state.
[0014]
Here, the container 10 as an object to which the snap hinge cap 1 of the present invention is attached is a normal bottle-shaped container in which a thread 10b is provided on the outer periphery of the mouth portion 10a. Therefore, the snap hinge cap 1 attached to the container 10 also has a screw body 2a which has a substantially cylindrical shape and a screw portion 2a which is screwed into the inner periphery of the cap body 2 itself, just like the conventional one. In the same way, an opening 6 into which a discharge port of a later-described inner plug is inserted is also provided at a predetermined position on the top surface 5.
[0015]
On one side of the cap body 2, a lid 3 having a substantially identical planar shape is continuously swingable via a hinge 4 so that the upper surface of the cap body 2 can be opened and closed. Is provided. A plug body 7 projects from the back surface of the lid 3 (the front side of the paper surface in FIG. 1) at a position corresponding to the opening 6.
[0016]
Here, the plug body 7 is constituted by two cylindrical projections 7a and 7b having different diameters arranged in a double manner on a concentric circle. Further, the inner plugs 8 and 9 used together with the snap hinge cap 1 are provided with lower cylindrical portions 8b and 9b to be inserted into the mouth portion 10a of the container below the flange portions 8a and 9a, and the top surface 8d. , 9d are provided with discharge ports 8c, 9c communicating with the inside of the lower cylindrical portions 8b, 9b, and are integrally formed of a flexible soft synthetic resin.
[0017]
Therefore, in the snap hinge cap 1 of the present invention, either the inner plug 8 having a large diameter of the discharge port 8c or the inner plug 9 having a small diameter of the discharge port 9c can be selectively used. When the discharge port 9c has a small diameter, an annular protrusion 9e having an outer diameter substantially equal to the inner diameter of the opening 6 is provided around the discharge port 9c, and the inner plug 9 is mounted in the cap body 2. As shown in FIG. 3, the discharge port 9 c is positioned at the center of the opening 6.
[0018]
Next, a usage example of the snap hinge cap 1 of the present invention having the above-described configuration will be described.
[0019]
First, when the liquid contained in the container 10 is highly viscous and it is necessary to enlarge the opening for taking it out, the medium is provided with the discharge port 8c having a large diameter shown on the left side in FIG. A stopper 8 is used. Then, the assembly is performed by first pushing the inner plug 8 from below the cap body 2 so that the discharge port 8c protrudes upward from the opening 6 provided on the top surface 5 of the cap body 2. Next, in this state, the threaded portion 2a of the cap body 2 may be screwed into the threaded strip 10b provided on the outer periphery of the mouth portion 10a of the container 10, and the snap hinge cap 1 is shown in FIG. As described above, the discharge port 8c that is attached to the mouth portion 10a of the container 10 and communicates with the inside of the container 10 is closed by the cylindrical protrusion 7a on the outer side of the plug body 7 provided on the lid body 3 being fitted. It is supposed to be.
[0020]
Then, when taking out the content liquid, it is only necessary to push up the front end side (left side in FIG. 2) of the lid 3, so that the lid 3 rotates around the hinge 4 on the other side, Since the stopper 7 is pulled out from the discharge port 8c and the upper surface of the cap body 2 is opened, the content liquid may be appropriately taken out from the discharge port 8c by tilting the container 10 or the like.
[0021]
In addition, when the content liquid to be stored is high in fluidity and it is desired to make the discharge port small in order to prevent inadvertent outflow, the inner plug 9 shown on the right side in FIG. 1 may be used. When the stopper 9 is used, as shown in FIG. 3, the cylindrical projection 7b inside the stopper body 7 is fitted into the discharge port 9c so that the liquid content is not leaked. .
[0022]
In this case as well, if the lid 3 is rotated in the same manner as described above, the discharge port 9c is opened, and thereafter the content liquid stored in the container 10 by appropriate means is discharged from the discharge port 9c. Take it out.
[0023]
As described above, the snap hinge cap 1 of the present invention can change the size of the discharge ports 8c and 9c by replacing the inner plugs 8 and 9 according to the content liquid.
[0024]
In the illustrated embodiment, the plug body 7 is composed of double cylindrical protrusions 7a and 7b so as to be compatible with two types of middle plugs 8 and 9 having different discharge port diameters. The plug body 7 may be any one in which any cylindrical protrusion is fitted to the discharge port having a different diameter so as to close the discharge port, and is configured by three or more cylindrical protrusions. It may be a thing.
[0025]
Further, in the illustrated embodiment, the opening 6 into which the discharge ports 8c and 9c are inserted and the two cylindrical protrusions so that the cylindrical protrusions 7a and 7b can be easily inserted into and removed from the discharge ports 8c and 9c. Although the example in which the plug body 7 constituted by 7a and 7b is provided on the other side of the hinge 4 so as to be contacted and separated at a loose contact angle has been shown, the fitting between the discharge port and the plug body may be shallow. In this case, the opening 6 and the plug body 7 may be provided at the centers of the cap body 2 and the lid body 3, respectively.
[0026]
【The invention's effect】
As described above, in the present invention, the plug body protruding from the back surface of the lid body constituting the snap hinge cap is a plurality of cylindrical protrusions arranged concentrically, and a plurality of types with different inner diameters of the discharge ports. Since any cylindrical projection is fitted to the inner plug so that it can be closed, the snap hinge cap is made common to those with different outlet diameters, and multiple manufacturing There is no need to prepare molds. Therefore, it is easy to manage the parts, and there is an effect that the capital investment cost is reduced and the manufacturing cost is also reduced.
[Brief description of the drawings]
FIG. 1 is an explanatory view showing an example of use of a snap hinge cap according to the present invention.
FIG. 2 is a longitudinal sectional view of an essential part showing a plugged state according to a first usage example;
FIG. 3 is a longitudinal sectional view of an essential part showing a plugged state according to a second usage example.
FIG. 4 is an exploded sectional view showing a conventional example.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Snap hinge cap 2 Cap main body 2a Screw part 3 Cover body 4 Hinge 5 Top surface 6 of hinge 6 Opening 7 Plug body 7a, 7b Tubular protrusion 8, 9 Middle plug 8a, 9a Lower cylinder part 8b, 9b Eave part 8c, 9c Discharge port 8d, 9d Top surface 9e of the inner stopper Annular protrusion 10 Container 10a Portion 10b Thread

Claims (1)

Cap body with a substantially cylindrical shape that has a threaded part that is screwed into the mouth of the container on the inner periphery, and an opening into which the outlet of the inner plug is inserted on the top surface. In a snap hinge cap comprising a lid body that is hinged to the lid and has a plug body that projects from the back surface to fit the discharge port,
The plug projecting on the back surface of the lid is composed of a plurality of cylindrical projections arranged concentrically, and any one of the cylindrical projections is provided for a plurality of types of middle plugs having different inner diameters of the discharge ports. A snap hinge cap characterized in that it can be fitted and closed.

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