JP2008007170A - Hinge cap - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a hinge cap which can maintain an opened state of the hinge cap as occasion demands to enable the use of the hinge cap without anxiety. <P>SOLUTION: The hinge cap is composed of a cap base and a lid. The cap base includes a top wall and a side peripheral wall. The top wall has two hinges formed continuously on the left and right sides of a predetermined position, and an engaging wall is raised between the hinges to have an engaging projection formed on the upper part of the outer periphery of the top wall. The lid includes a side peripheral wall and a top wall, and the top wall is connected to the continuously formed hinges from the cap base, and is provided with a notch formed of left/right side ends and an inner end between the hinges. Inside the notch, an engaging portion is provided, which is continued from, the left/right side ends and engaging with the engaging projection of the engaging wall of the cap base at the center, and can be reversed inside the notch. The lid can be kept at a certain opening angle when opened. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a hinge cap that is attached to the mouth of a container, and more particularly to a hinge cap that can hold an opening angle of a lid at approximately 180 degrees.

2. Description of the Related Art A hinge cap that has a cap body having a spout for contents such as liquid and cream and an upper wall, and a hinge cap that can keep the upper lid in a certain open state has been known. (For example, refer to Patent Document 1).
Japanese Utility Model Publication No. 7-4361

  In the hinge cap described in Patent Document 1, a protrusion for locking the upper lid of the open lid-like body is provided in the vicinity of the hinge portion of the cap main body, and the tension of the belt hinge disposed on both sides of the protrusion is used to The lower edge is locked to the protruding portion, and the open state of the upper lid at 180 degrees is maintained.

However, there has been a problem that the protrusions of the cap body, the lower edge of the upper lid, and the position and dimensional relationship of the belt hinge must be accurately formed.
In order to always open at a constant angle, for example, 180 degrees, the projection and the lower edge of the upper lid must be accurately aligned, and it is not easy to always maintain a constant opening / closing position.

In addition, since tension is applied to the belt hinge in order to maintain the lid open state, a tensile force is repeatedly applied every time the upper lid is opened and closed, and the tension stress may be reduced due to fatigue of the belt hinge.
For this reason, when the pouring is repeated and used for a long period of time, there is a problem that the open lid state is not reliably maintained.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a hinge cap that can hold the open state of the hinge cap as necessary and can be used with confidence in order to solve the above problems.

  In order to solve the above-described problems, the present invention provides a hinge cap including a cap base and a lid as a hinge cap, the cap base including a top wall and a side peripheral wall, and the top wall is a left and right of a predetermined position. The two hinge portions are connected to each other, and an engagement wall having an engagement protrusion disposed on the outer peripheral upper portion is erected between both hinge portions, and the lid body includes a side peripheral wall and a top wall, The top wall is connected to a hinge portion provided continuously from the cap base at a predetermined position, and a notch portion formed between the left and right end portions and the inner end portion is provided between the hinge portions. On the other hand, an elastic engagement portion is provided which is provided continuously from the left and right side end portions, and is provided with an engagement portion which engages with the engagement protrusion of the engagement wall of the cap base at the center, and which can be reversed within the notch portion. A configuration is adopted in which the lid body can be held at a constant opening angle when the lid body is opened.

  As a specific example of the elastic engagement portion, the elastic engagement portion includes two arm portions that are connected to each other through thinned weakened portions from both side ends of the notch portion of the lid, And an engaging step portion that engages with an engaging protrusion of the cap base. Adopt the configuration.

  As an embodiment for generating a click sound, the engagement protrusion at the upper end of the engagement wall of the top wall of the cap base is disposed as an oscillating engagement piece, and the lid is opened to open the cover. When the angle is maintained, the engagement portion of the elastic engagement portion of the lid body is engaged to cause the engagement piece to vibrate and generate a click sound.

In the hinge cap of the present invention, after the lid is opened, the engagement portion is reversed by operating the elastic engagement portion of the lid body, and is engaged with the engagement portion provided on the cap base to maintain the lid open state. I was able to do it.
Furthermore, the user can feel a click feeling by operating the elastic engagement portion.

  Next, an embodiment of the hinge cap of the present invention will be described with reference to the drawings with examples.

The hinge cap of the present invention is attached to a bottle, tube, or the like filled with cream-like or liquid content such as shampoo, rinse, cosmetics, and medicine.
As shown in FIG. 1, the hinge cap of the present invention includes a cap base A that is attached to the mouth tube portion of the container body, and a lid B that is connected to the cap base A via a hinge. .

As shown in FIGS. 1 and 2, the cap base A includes a top wall 1 and a side peripheral wall 2, and on the opposite side of the top wall 1 from the hinge side, a pouring cylinder 4 having a pouring port 3 is formed. It is erected.
A pair of hinge portions 5a and 5b connected to the lid B are provided on the hinge side outer edge of the top wall 1 and an engagement protrusion 6 is disposed on the outer peripheral upper end between the hinge portions 5a and 5b. An engagement wall 7 is provided.

  An engagement portion 8 is provided on the inner periphery of the side peripheral wall 2 to engage the outer periphery of the mouth tube portion of the container main body and attach the cap base A to the container main body.

As shown in FIGS. 1 to 3, the lid body B includes a side peripheral wall 10 in which hinges 5 a and 5 b are continuously provided on one side, a flange 11 formed on the outer peripheral upper end of the side peripheral wall 10, and an inner side of the side peripheral wall 10. The top wall 12 is connected to the upper end of the circumference and has a top wall 12 whose top surface is flush with the top surface of the flange 11.
A notch 13 is formed in the connecting portion of the hinge portions 5a and 5b of the side peripheral wall 10 by cutting out the inside of both connecting portions from the lower end to the connecting portion.

On the hinge side of the flange 11, a notch portion 14 is formed that is notched with a width that engages both outer sides of the hinge portions 5 a, 5 b, and the top wall 12 extends from the notch portion 14, and the hinge portions 5 a, 5 b A cutout portion 15 is formed which includes side end portions 15a and 15b and an inner end portion 15c which are cut into the inner widths.
Between the side end portions 15 a and 15 b of the notch portion 15 of the top wall 12, an elastic engagement portion 16 that is reversed in the notch portion 15 is disposed.

The elastic engaging portion 16 is weakened from the inner ends of the arm portions 18a and 18b and the arm portions 18a and 18b that are continuously provided via the weakened portions 17a and 17b that are thinner than the side end portions 15a and 15b of the notch portion 15. It comprises an engaging portion 19 provided continuously through the portions 17c and 17d.
The engaging portion 19 is provided with an engaging step portion 20 that engages with the engaging protrusion 6 of the cap base A.

  On the opposite side of the hinge of the top wall 12, a sealing ring 21 that is inserted into the inner periphery of the pouring cylinder 4 of the cap base A and closes the spout 3 when the hinge cap is closed is suspended.

Next, the effect of the hinge cap of this embodiment will be described.
As shown in FIG. 3, the elastic engagement portion 16 of the top wall 12 of the lid B is normally held in a concave state that engages along the inner end portion 15 c of the notch portion 15.
Further, the elastic engagement portion 16 moves the arm portions 18a and 18b outwardly through the weakening portions 17a, 17b, 17c and 17d as shown in FIG. 4 by operating the engagement portion 19 to the hinge side. The elastic engagement portion 16 can be held in a convex state by protruding and protruding from the cutout portion 15 of the engagement portion 19.

  When opening the hinge cap, when the lid B is rotated from the cap base A to the hinges 5a and 5b as fulcrums, the engagement between the sealing ring 21 of the lid B and the dispensing cylinder 4 of the cap base A is released. The lid is opened.

Further, when the lid B is opened and the opening angle reaches 180 degrees, as shown in FIG. 4, the engaging portion 19 of the elastic engaging portion 16 of the lid B is operated to the hinge side. Then, the elastic engagement portion 16 is brought into a convex state.
When the elastic engagement portion 16 is in the convex state, the engagement step portion 20 of the engagement portion 19 is engaged with the engagement protrusion 6 of the engagement wall 7 of the cap base A, and the lid B is the cap base A. Is held 180 degrees open.
When using the contents, the container body is pressed, and the contents are poured out from the dispensing cylinder 4 of the cap base A.

  When closing the hinge cap, the engaging portion 19 and the cap base are formed by operating the engaging portion 19 of the elastic engaging portion 16 of the lid B on the side opposite to the hinge to bring the elastic engaging portion 16 into a concave state. The engagement with the engagement protrusion 6 of A is released, and the lid B can be rotated to close the lid.

The elastic engagement portion 16 of the lid body B makes the engagement portion 19 convex so that the engagement step portion 20 engages with the engagement protrusion 6 of the cap base A and opens the lid B. The angle can be maintained at 180 degrees.
Further, when the open state is not maintained, if the engaging portion 19 is in the concave state, the engagement protrusion 6 and the engagement step portion 20 of the cap base A are disengaged and do not engage each other. The rotation of the lid B is not hindered.

  Further, when the elastic engagement portion 16 is deformed, the arm portions 18a and 18b are reversed in the concave and convex portions via the weakening portions 17a, 17b, 17c and 17d, so that the container user has a click feeling during operation. Can do.

  In the present embodiment, as a modification of the engagement portion between the engagement protrusion 6 of the cap base A and the engagement portion 19 of the elastic engagement portion 16 of the lid B, the engagement protrusion 6 of the cap base A Instead, as shown in FIG. 5, an oscillating engagement piece 25 is disposed on the upper outer periphery of the engagement wall 7.

By providing the engagement piece 25 on the engagement wall 7 of the cap base A, as shown in FIG. 5B, in order to open the lid B and maintain the opening angle, When the elastic engagement portion 16 is in the convex state, the engagement step portion 20 of the engagement portion 19 abuts on the engagement piece 25 of the cap base A, and the engagement piece 25 is vibrated to generate a click sound. it can.
In addition, when the holding of the lid opening angle is removed, the engaging portion 19 of the lid body B is engaged with the engaging piece 25 of the cap base A and a click sound is generated.

  Since the engagement piece 25 of the cap base A generates a click sound, when the opening angle of the lid B is held or released, it is combined with the click feeling of the elastic engagement portion 16 of the lid B, and the container is used. A feeling of operation can be given to the person.

  The hinge cap lid is provided with an elastic engagement part that can be reversed, and can be engaged with the engagement wall of the cap base so that the opening angle of the lid can be maintained at about 180 degrees. As the cream cap contents are poured out, the lid does not come into contact with the palm or application surface. As a hinge cap for containers containing not only cream contents but also liquid contents Is also widely available.

It is explanatory drawing at the time of lid closing of the hinge cap of this invention, (a) is a top view, (b) is a longitudinal cross-sectional view. It is explanatory drawing at the time of lid opening of a hinge cap, (a) is a top view, (b) is a longitudinal cross-sectional view. It is explanatory drawing of a hinge principal part, (a) is a top view, (b) is a longitudinal cross-sectional view. It is explanatory drawing of the principal part at the time of an elastic engagement part operation, (a) is a top view, (b) is a longitudinal cross-sectional view. It is explanatory drawing of the hinge principal part of 2nd Example, (a) is before an elastic engagement part operation, (b) is a longitudinal cross-sectional view after an elastic engagement part operation.

Explanation of symbols

A Cap base B Lid 1, 12 Top wall 2, 10 Side peripheral wall 3 Outlet 4 Outlet cylinder 5a, b Hinge part 6 Engaging protrusion 7 Engaging wall 8, 19 Engaging part 11 Flange 13, 14, 15 Notch portion 15a, b side end portion 15c inner end portion 16 elastic engagement portion 17a, b, c, d weakening portion 18a, b arm portion 20 engagement step portion 21 sealing ring 25 engagement piece

Claims (3)

A hinge cap comprising a cap base and a lid,
The cap base has a top wall and a side wall,
The top wall is provided with two hinge portions on the left and right sides of a predetermined position, and an engagement wall having an engagement protrusion disposed on the outer periphery between the hinge portions.
The lid has a side wall and a top wall,
The top wall is connected to a hinge portion continuously provided from the cap base at a predetermined position, and a notch portion formed from the left and right end portions and the inner end portion is provided between the hinge portions,
An elastic part that is provided in the center of the notch part from the left and right side end parts and that engages with the engaging protrusion of the engaging wall of the cap base at the center, and is reversible within the notch part. Joints are arranged,
A hinge cap characterized in that the lid can be held at a constant opening angle when the lid is opened. The elastic engagement portion is provided continuously through two weakened portions from both side ends of the cutout portion of the lid through thinned weakened portions and from the inner ends of both arm portions through the weakened portions. The engagement part,
The hinge cap according to claim 1, wherein the engaging portion is provided with an engaging step portion that engages with an engaging protrusion of the cap base. The engagement protrusion at the upper end of the outer periphery of the engagement wall of the top wall of the cap base is arranged as an oscillating engagement piece,
When the lid is opened and the opening angle is maintained, the engagement portion of the elastic engagement portion of the lid is engaged, so that the engagement piece vibrates and a click sound is generated. The hinge cap according to claim 1 or 2.

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