JP4932350B2 - Hinge cap - Google Patents

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 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 is a problem that the protrusions of the cap body, the lower edge of the upper lid, and the position and dimensional relationship of the band 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 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 opened state of the hinge cap as necessary and can be used with confidence in order to solve the above-described problems.

The present invention for solving the above problems, as a hinge cap, a hinge cap comprising a cap base and the lid, the cap substrate, comprising a top wall and a side wall, said top wall, at a predetermined position Two hinge parts are provided on the left and right sides, and an engaging wall is provided between the two hinge parts with an engaging protrusion on the outer periphery. The lid has a side wall and a top wall. , the said top wall, at a predetermined position, thereby connecting the hinge portion to be continuously provided from the cap base, notch consisting of left and right side end of the inner end portion is formed between the two hinge portions, inwardly of the notch portion is connected from the left and right side ends, it comprises an engaging portion engaging projections engage with the engagement wall of the cap base in the center, in response to manual operation by the notch portion projecting elastic engagement portion is a retractable is disposed, said resilient engagement portion is formed on both side ends of the cutout portion thin, And deformable weakening in the direction and along the surface in width, and thin-walled arms provided continuously to the weakening portion, and the engaging portion which is continuously provided through the該椀portion and the weakened portion consists to engage the engaging portion with the engaging projection of the engaging wall of the cap body by projecting forward the elastic engagement portion, holding the lid at a fixed lid opening angle when the cover lid opening A configuration characterized by being able to do so is adopted.

As a specific example of the elastic engagement portion, the elastic engagement portion is composed of two arm portions and an engagement portion that is provided continuously from the inner ends of both arm portions via weakened portions. The structure is characterized in that the portion is provided with an engaging step portion that engages with the engaging protrusion of the cap base.

  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, a configuration is employed in which the engagement piece vibrates and the click sound is generated when the engagement portion of the elastic engagement portion of the lid is engaged.

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 according to the present invention will be described with reference to the accompanying drawings.

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 contents.
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 with a spout 3 is drilled. It is erected.
A pair of hinge portions 5a, 5b connected to the lid B are provided on the hinge side outer edge of the top wall 1 upper surface, and an engaging protrusion 6 is disposed on the outer peripheral upper end between the hinge portions 5a, 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 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 at 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 notching 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 and 5 b, and the top wall 12 extends from the notch portion 14, and A notch portion 15 is formed which includes side end portions 15a and 15b and an inner end portion 15c 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 that is 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.

  In 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 a 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 adapted to continuously provided the two hinge portions on the left and right of the position, between the two hinge portions, and erected engagement walls which were provided with engaging projections on the outer circumferential upper,
The lid has a side wall and a top wall,
The said top wall, at a predetermined position, thereby connecting the hinge portion to be continuously provided from the cap base, notch consisting of left and right side end of the inner end portion is formed between the two hinge portions,
Inwardly of the notch portion is connected from the left and right side ends, it comprises an engaging portion engaging projections engage with the engagement wall of the cap base in the center, in response to manual operation by the notch portion projecting An elastic engagement portion that can be retracted is disposed,
The elastic engagement portions, thin wall formed at both ends of the notch, and the deformable weakening in the direction and along the surface in Hosohaba, a thin-walled arms provided continuously to the weakening portion And the hook portion and the engaging portion connected through the weakening portion,
The engagement portion is engaged with the engaging protrusion of the engagement walls of the cap substrate by projecting forward the elastic engagement portion, and to be able to hold the lid at a fixed lid opening angle when the cover lid opening A hinge cap characterized by that.
The elastic engagement portion is composed of two arm portions and an engagement portion that is continuously provided via the weakened portion from the inner ends of both arm portions,
2. 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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