JP2014125256A - Hinge cap - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hinge cap that when opened, can be easily opened and opened with weak force even with one hand.SOLUTION: In the hinge cap that is attached to an opening cylinder of a container and comprises a cap main body and an upper lid, the cap main body comprises: a spout cylinder; a lid engagement cylinder; and an outer peripheral cylinder having hinges arranged consecutively on the upper end of the outer periphery thereof. On an outer periphery opposite to the hinges of the outer peripheral cylinder is concavely formed a recessed portion for opening the lid to a predetermined height from the upper end of the periphery, and in the recessed portion for opening the lid are formed an outer surface extending downward from the upper end and an inclined surface extending outward and downward from the lower end portion of the outer surface. The upper lid comprises a top wall and an outer cylindrical wall. On a lower portion of the inner periphery of the outer cylindrical wall is provided an engagement portion engaging with the lid engagement cylinder. On the opposite side of the hinges of the outer cylindrical wall is formed a deformable thin wall portion and on the lower end portion is provided consecutively a push-bottom portion extending downward, where the lower end portion of the push-bottom portion contacts the inclined surface of the recessed portion for opening the lid of the cap main body during operation of the push-bottom portion.

Description

  The present invention relates to a hinge cap in which an upper lid is connected to a cap body attached to a mouth tube portion of a container body via a hinge, and particularly to a hinge cap that can be easily opened.

  In a hinge cap consisting of a cap body and an upper lid mounted on the mouth tube portion of the container body, the outer peripheral wall of the upper lid is thickened to prevent deformation of the outer peripheral wall, and the engagement portion between the cap main body and the upper lid is closed when the lid is closed. Hinged caps that have been tightly fitted so that they do not open easily, and are provided with a knob on the opposite side of the hinge of the upper lid, and a finger is applied to the knob, etc., and then pushed up to open the lid are known. (For example, refer to Patent Document 1).

  In addition, an outer wall is provided on the opposite side of the outer peripheral wall of the cap body via a hollow portion, and a flexible portion having flexibility is formed on the outer wall. When the lid is opened, the cap body or container can be opened with one hand. Hold the main body, press the flexible part with your thumb to deform it, create a space between the lower end surface on the opposite side of the hinge on the upper lid, and then push your thumb up to the lower end surface of the upper lid to push up A hinge cap that opens is known in the art (see, for example, Patent Document 1).

JP 2009-220844 A JP-A-10-338260

  However, in the hinge cap described in Patent Document 1, since the deformation of the outer peripheral wall of the upper lid is suppressed, the fitting between the cap body and the upper lid cannot be easily removed. A strong force was needed to cover.

  In the hinge cap described in Patent Document 2, when the lid is opened with one hand, an operation of grasping the cap body or the container body with the hand, an operation of pressing the flexible portion with the thumb, and a thumb pushing up the lower end surface of the upper lid There is a problem that it requires movement and takes time.

  Further, in the hinge cap described in each of the above patent documents, when opening with one hand, the action direction of the operation of holding the cap body or the container body with the hand and the operation of pushing the opposite side of the hinge of the top lid with the thumb However, there is a problem that the stress is large and a strong force is required to open the lid.

  An object of the present invention is to provide a hinge cap that can be easily opened when the lid is opened and that can be opened with a weak force even with one hand.

  In order to solve the above-mentioned problems, the present invention is a hinge cap that is attached to a mouth tube portion of a container and includes a cap body and an upper lid. An outer peripheral cylindrical portion continuously provided with a hinge, and an outer recess extending from the upper end to a predetermined height is formed on the outer periphery opposite to the hinge of the outer peripheral cylindrical portion. And an inclined surface extending outwardly from the lower end of the outer surface. The upper lid includes a top wall and an outer cylinder wall. A lower inner peripheral portion of the outer cylinder wall is engaged with the lid engaging cylinder portion. A joint portion is provided, and a deformable thin portion is formed on the opposite side of the hinge of the outer cylinder wall. A push button portion extending downward is connected to the lower end portion, and the lower end portion of the push button portion is A configuration is employed in which the button portion is brought into contact with the inclined surface of the opening recess of the cap body when operated.

  As an embodiment of the outer cylindrical wall of the upper lid, a concave portion is provided on the outer side of the outer cylindrical wall opposite to the hinge, and the portion is thinner than the thickness of the peripheral wall of the other portion of the outer cylindrical wall. The configuration is adopted.

  As an embodiment of the push button portion, the push button portion protrudes outward from the outer cylinder wall and extends downward, and is configured so that the lower end portion faces inward, or the push button The portion includes a connecting portion protruding from the lower end portion of the outer cylinder wall and a deforming push button suspended through a weakening portion that can be deformed on the outer edge of the lower surface of the connecting portion, and the lower end portion of the deforming push button is A configuration is adopted in which the cap body abuts against the inclined surface of the opening-recessed recess.

  As an example of the outer peripheral cylindrical portion of the cap body, the outer peripheral cylindrical portion includes an outer cylinder whose upper end is connected to the outer edge of the lid engaging cylindrical portion, a connecting portion that protrudes on the opposite side of the hinge of the outer cylinder, It has an arc-shaped outer peripheral wall that is connected from both outer sides of the connecting part at a certain distance from the outer cylinder, and a hinge is connected to the outer peripheral upper end of the outer peripheral wall. A configuration is adopted in which the lid recess is recessed.

  As an example of the outer peripheral cylindrical portion and the push button portion of the cap body, a seal receiving portion is provided from the inclined surface of the opening recess to the lower end on the outer periphery opposite to the hinge of the outer peripheral cylindrical portion, and at the lower end of the push button portion, A configuration characterized in that a sealing piece inserted into the sealing receiving portion is provided continuously through a thin weakened connecting portion that can be broken, and further, a lower concave portion is formed at the lower center of the push button portion, and the lower concave portion A configuration is adopted in which sealing pieces are continuously provided on the inner edge of the lower surface of the lower surface via a thinned weakened connecting portion that can be broken.

  The hinge cap of the present invention has a lid opening recessed portion provided on the opposite side of the hinge of the outer peripheral cylindrical portion of the cap body, and a push button portion that engages with the opening recessed portion is provided at the lower end portion of the outer cylindrical wall of the upper lid. By pushing the push button part at the time of the lid, the upper lid and the cap main body can be detached and opened with a simple and weak force with one hand.

  In addition, a seal receiving part is provided on the cap body, and a sealing piece is provided at the lower end of the push button part via a weakening connecting part. When the lid is closed, the sealing piece fits into the sealing receiving part, and when the lid is opened, the weakening connecting part is cut off. Therefore, by visually recognizing the state of the weakened connecting portion, the presence or absence of the lid can be confirmed, and unauthorized opening can be prevented.

It is explanatory drawing of the hinge cap of 1st Example of this invention, (a) is a sectional side view, (b) is a front view. It is explanatory drawing at the time of lid opening of a hinge cap, (a) is a top view, (b) is a sectional side view. The push button part is an enlarged view of the main part at the time of pushing in, (a) is an explanatory view at the time of the initial push-in, (b) is an explanatory view at the time of opening the lid. It is explanatory drawing of the hinge cap of 2nd Example of this invention, (a) is sectional side view, (b) is a principal part enlarged view. The push button part is an enlarged view of the main part at the time of pushing in, (a) is an explanatory view at the time of the initial push-in, (b) is an explanatory view at the time of opening the lid. It is explanatory drawing of the hinge cap of 3rd Example of this invention, (a) is a sectional side view, (b) is a front view. FIGS. 7A and 7B are explanatory views of a main part of FIG. 6, in which FIG. 7A is an enlarged view of a main part before pushing in, and FIG.

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

  1 and 2, A is a cap body that is plugged into the container body, and B is an upper lid that is integrally formed with the cap body A via a hinge C.

  The cap main body A stands on the outer periphery of the ring-shaped bottom wall 3, the pouring cylinder 2 that is continuous with the bottom wall 1 at the lower part of the inner periphery, the ring-shaped bottom wall 3 that is continuous with the lower end of the outer periphery of the pouring cylinder 2 An inner cylinder 4 provided, a ring-shaped lid engaging cylinder portion 5 provided continuously to the upper end of the outer periphery of the inner cylinder 4, and an outer cylinder portion 6 suspended from the outer edge of the lid engaging cylinder portion 5. It is.

  The bottom wall 1 is provided with a thin weakened portion 7 that opens the spout. On the upper surface of the bottom wall 1, a pull ring 8 that is pulled up when the spout is opened is provided with a column in the section of the weakened portion 7. It is erected through.

  On the upper part of the outer periphery of the lid engaging cylinder portion 5, an engaging protrusion 9 is projected.

The outer peripheral cylinder portion 6 protrudes on the opposite side of the outer cylinder 10 on the outer edge of the lid engaging cylinder portion 5 and the hinge C of the outer cylinder 10 with a predetermined width in the circumferential direction. And a circular arc-shaped outer peripheral wall 12 provided from both outer side surfaces of the connecting portion 11 at a certain distance from the outer cylinder 10. A hinge C is provided at the outer peripheral upper end of the outer peripheral wall 12. Are connected.
The cap body A is attached to the mouth tube portion of the container body by sandwiching the mouth tube portion between the outer periphery of the inner tube 4 and the inner periphery of the outer tube 10 at the time of stoppering.

  A plurality of weakening pieces 13 that can be broken are disposed on the outer periphery of the lower end portion of the outer cylinder 10 and the inner periphery of the lower end portion of the outer peripheral wall 12 at intervals.

The connecting part 11 is provided with an open lid recess 14 from the upper end to a predetermined height.
The opening recess 14 is formed with an outer surface 14a extending downward from the upper end and an inclined surface 14b extending outward and downward from the lower end of the outer surface 14a.

  The top lid B is suspended from the top wall 15, the peripheral edge of the top wall 15, the outer cylindrical wall 16 continuously connecting the hinge C at a predetermined position at the lower end of the outer periphery, and the bottom surface of the top wall 15. The inner cylinder part 17 inserted in the inner periphery of the extraction | pouring cylinder 2 is provided.

An engaging portion 18 that is enlarged in diameter and engages with the upper surface and the outer periphery of the lid engaging tube portion 5 of the cap body A is provided at the lower portion of the inner periphery of the outer tube wall 16. A projecting portion 16a projecting inward is provided between the middle of the inner periphery and the engaging portion 18.
The inner peripheral upper part of the engaging part 18 is engaged with the outer periphery of the engaging protrusion 9 of the lid engaging cylinder part 5, and the upper part of the engaging part 18 is engaged with the lower part of the engaging protrusion 9. A protrusion 19 is provided.

On the outer periphery of the outer cylinder wall 16 opposite to the hinge C, there is formed an outer peripheral recess 20 that extends in the circumferential direction from the center to a predetermined position on both sides and is recessed to a predetermined height leaving the lower end portion 16b. In the center of the lower end portion 16b, a push button portion 21 that protrudes outward from the outer cylinder wall 16 and extends downward is continuously provided.
The push button portion 21 is formed so that the lower end portion 21a faces inward, and when the push button portion 21 is operated, the push button portion 21 is formed on the outer edge of the inclined surface 14b of the opening recess 14 of the connecting portion 11 of the outer peripheral cylindrical portion 6 of the cap body A. It comes to contact.

The outer peripheral recess 20 is provided with a deforming recess 22 extending from the center to both sides at a position above the engaging portion 18 on the back surface.
A portion of the outer cylindrical wall 16 where the outer peripheral concave portion 20 is provided is a thin wall portion 16c in which the thickness of the peripheral wall is thinner than the thickness of the peripheral wall of the other portion. The portion having the recess 22 is a deformed thin portion 16d in which the thickness of the peripheral wall is further thinner than the thickness of the peripheral wall of the thin wall portion 16c.

Next, the effect of the hinge cap of a present Example is demonstrated.
The engaging portion 18 of the outer cylindrical wall 16 of the upper lid B and the lid engaging cylindrical portion 5 of the cap main body A are fitted, and the upper lid B is closed to the cap main body A.

  When the lid is closed, the protrusion 16a of the outer cylindrical wall 16 of the upper lid B is provided, so that the shape retention of the lower portion of the outer cylindrical wall 16 is good, and the lid engaging cylindrical portion 5 and the engaging portion 18 The fitting can be maintained.

When opening the lid, hold the cap body A or the container body with your hand, put your thumb on the push button portion 21 of the upper lid B, and push it inward.
When the push button portion 21 is pushed in, the lower end portion 21 a comes into contact with the outer edge of the inclined surface 14 b of the opening recess 14 of the outer peripheral cylindrical portion 6 of the cap body A.
And the lower end part 21a slides inwardly on the inclined surface 14b, and the pushbutton part 21 raises with the inclination of the inclined surface 14b.

  When the push button portion 21 is pushed in and lifted, the lower end portion 16b of the outer cylinder wall 16 provided with the push button portion 21 is lifted, and the nearby thin wall portion 16c is raised.

  When the thin wall portion 16c near the push button portion 21 in the outer peripheral recessed portion 20 is lifted, the deformed thin portion 16d is thinner than the peripheral wall of the other portion, so that the deformed thin portion 16d itself is deformed and bent, As shown in FIG. 3A, with the deformed thin portion 16d as a fulcrum, the adjacent thin wall portion 16c and the lower end portion 16b are directed outward, and the engagement protrusion 19 of the engagement portion 18 and the cap body A lid The engagement of the engagement cylinder portion 5 with the engagement protrusion 9 is released.

  Further, as shown in FIG. 3 (b), the push button portion 21 is pushed to engage the engagement portion 18 of the outer cylinder wall 16 of the upper lid B with the lid engagement tube portion 5 of the cap body A. The upper lid B rises while being removed from the vicinity of the portion 21.

  In addition, while the upper lid B is raised, the deformed thin-walled portion 16 d returns to its original shape, and due to this restoring force, the lower surface portion of the engaging protrusion 19 of the engaging portion 18 is engaged with the engaging protruding portion of the lid engaging cylinder portion 5. The force which slides the upper surface part of 9 and raises the upper cover B is added.

In this embodiment, when the push button portion 21 is pushed, the upper lid B is lifted, and the engagement between the engaging portion 18 of the outer cylindrical wall 16 of the upper lid B and the lid engaging cylindrical portion 5 of the cap body A is removed with a weak force. be able to.
In addition, when opening the lid with one hand, the operation of pushing the push button portion 21 with the thumb can be added in the direction of the operation of grasping the cap body A or the container body with the hand, compared with the operation of grasping with the hand and lifting with the thumb. The stress can be reduced, and the upper lid B and the cap body A can be disconnected from each other with a weaker force.
Finally, the push button part 21 is pushed up as it is, and the upper lid B can be easily opened.

When all the contents in the container are used and then separated from the container body and discarded, the cap is opened and the upper cover B is pulled upward. The outer peripheral wall 12 of the cap body A is pulled via the hinge C. The outer peripheral wall 12 is separated from the hinge C side while being deformed, and the weakened piece 13 is cut.
When the outer peripheral wall 12 is further pulled, the connecting portion 11 on the opposite side of the hinge C is pulled, the outer cylinder 10 is pulled via the connecting portion 11, the outer cylinder 10 near the connecting portion 11 is deformed, and the outer cylinder of the cap body A 10 and the mouth tube portion of the container body are removed, and the cap and the container body can be separated and discarded.

In the present embodiment, an outer peripheral recess 20 and a deforming recess 22 are formed on the outer periphery of the outer cylinder wall 16 opposite to the hinge C, and the thickness of the outer wall of the outer cylinder wall 16 is the thickness of the peripheral wall of the other part. Although the thin wall portion 16c and the deformed thin portion 16d are thinner than the thickness, the opposite side of the hinge C of the outer cylindrical wall 16 is thinner than the thickness of the peripheral wall of the other portion and can be easily deformed. The shape on the opposite side of the hinge C of the outer cylinder wall 16 is not limited to the above shape.
Furthermore, the wall thickness of the outer cylinder wall 16 can be set freely, and it is desirable that the vicinity of the upper portion of the engaging portion 18 on the opposite side of the hinge C be a thin shape.

Next, a description will be given of a second embodiment in which the configuration of the push button portion of the upper lid of the first embodiment is changed.
In the present embodiment, the same components as those in the first embodiment will be denoted by the same reference numerals, detailed description thereof will be omitted, and differences will be mainly described.

  In FIG. 4, A is a cap body that is plugged into the container body, and B is an upper lid that is integrally formed with the cap body A via a hinge C.

  At the center of the lower end portion 16b of the outer lid 16 on the opposite side of the hinge C of the upper lid B, a push button portion 25 that projects outward from the outer barrel wall 16 and extends downward is provided continuously.

The push button portion 25 is suspended from a connecting portion 26 projecting from the lower end portion 16b and a weakening portion 27 that can be deformed on the outer edge of the lower surface of the connecting portion 26, and is a deformed push button that protrudes outward and extends downward. It consists of 28.
The deformed push button 28 is formed so that the lower end portion 28a faces inward, and when the push button portion 25 is operated, the deformed push button 28 is formed on the outer edge of the inclined surface 14b of the opening concave portion 14 of the connecting portion 11 of the outer peripheral cylindrical portion 6 of the cap body A. It comes in contact.

Next, the effect of the hinge cap of a present Example is demonstrated.
When opening the lid, the deformation push button 28 of the push button portion 25 of the upper lid B is pushed inward.
When the deformation push button 28 is pushed in, the lower end portion 28a comes into contact with the outer edge of the inclined surface 14b of the lid opening concave portion 14 of the outer peripheral cylindrical portion 6 of the cap body A.
Then, the lower end portion 28a slides inwardly on the inclined surface 14b, and the deformation push button 28 rises due to the inclination of the inclined surface 14b.

  As the deformed push button 28 rises, the fitting of the lid of the upper lid B and the cap body A becomes resistance, the weakened portion 27 is deformed and bent, and the deformed push button 28 is inclined downward inward. As the deformation push button 28 rises while being inclined, the connecting portion 26 connected via the weakening portion 27 and the lower end portion 16b near the connecting portion 26 are connected as shown in FIG. Is moved outward and upward.

  The connecting portion 26 and the lower end portion 16b of the adjacent outer cylindrical wall 16 are moved outward and upward, so that the deformed thin portion 16d itself of the adjacent outer cylindrical wall 16 is deformed and bent, and further, the connecting portion 26 and By moving the lower end portion 16b near the outer side upward, the thin wall portion 16c and the lower end portion 16b of the outer tube wall 16 in the vicinity are directed outward, and the engagement protrusion 19 of the engagement portion 18 and the cap body The engagement with the engagement projection 9 of the lid engagement cylinder 5 of A is released.

  When the deforming push button 28 is further pushed in, as shown in FIG. 5 (b), the push button portion is engaged with the engagement portion 18 of the outer cylinder wall 16 of the upper lid B and the lid engagement tube portion 5 of the cap body A. The upper lid B rises while removing from around 25.

When the upper lid B is raised, the resistance of the lid fitting between the upper lid B and the cap body A disappears, and the deformed thin portion 16d returns to its original shape.
By this restoring force, the connecting portion 26 and the lower end portion 16b in the vicinity thereof are restored to the original shape, and the lower surface portion of the engaging protrusion 19 of the engaging portion 18 is the upper surface of the engaging protrusion 9 of the lid engaging cylinder portion 5. The force which slides a part and raises the upper cover B is added.

Further, the weakened portion 27 of the push button portion 25 returns to the original shape and the deformation push button 28 is not inclined, so that the upper cover B is raised by the inclination of the deformation push button 28.
Other functions and effects are the same as those of the first embodiment.

In this embodiment, by pressing the deformation push button 28, the engagement between the engaging portion 18 of the outer cylindrical wall 16 of the upper lid B and the lid engaging cylindrical portion 5 of the cap body A can be removed with a weak force, The upper lid B can be lifted.
Finally, the push button part 25 is pushed up as it is, and the upper lid B can be easily opened.

Next, a description will be given of a third embodiment in which the structure of the push button portion of the upper lid of the second embodiment is added with the structure of an unauthorized opening prevention mechanism.
In the present embodiment, the same components as those in the first and second embodiments will be denoted by the same reference numerals, detailed description thereof will be omitted, and differences will be mainly described.

  In FIG. 6, A is a cap body that is plugged into the container body, and B is an upper lid that is integrally formed with the cap body A via a hinge C.

  As shown in FIGS. 6 and 7 (a), the lid is recessed from the upper end to a predetermined height on the outer periphery of the central portion on the opposite side of the hinge C of the connecting portion 11 of the outer peripheral cylindrical portion 6 of the cap body A. A concave portion 14 and a seal receiving portion 30 formed from the central portion to the lower end of the lid-opening concave portion 14 are formed.

  The opening recess 14 is formed with an outer surface 14a extending downward from the upper end and an inclined surface 14b extending outward and downward from the lower end of the outer surface 14a.

  The sealing receiving portion 30 is formed in a shape in which the central portion of the inclined surface 14b of the lid recess 14 is cut out to the lower end, and extends outward from the outer surface 30a that continues to the outer surface 14a of the lid recess 14 and extends inwardly from the lower end of the outer surface 30a. A step outer surface 30b having a reduced diameter and extending to the lower end, and side surfaces 30c on both sides extending from the end of the inclined surface 14b to the lower end. A peripheral wall 31 is provided.

  In the center of the lower end portion 16b of the outer cylinder wall 16 on the opposite side of the hinge C of the upper lid B, a push button portion 35 projecting outward from the outer cylinder wall 16 and extending downward is continuously provided. The sealing piece 36 inserted into the sealing receiving portion 30 of the cap main body A is continuously provided via a plurality of weakened connecting portions 37 formed to be thin.

The push button portion 35 is suspended from a connecting portion 26 projecting from the lower end portion 16b and a weakening portion 27 that can be deformed on the outer edge of the lower surface of the connecting portion 26, and is a deformed push button that protrudes outward and extends downward. It consists of 38.
A lower recess 39 is formed at the center of the lower portion of the deformation push button 38 and is notched by the width of the seal receiving portion 30.

  The sealing piece 36 is inserted outside the sealing receiving portion 30 of the connecting portion 11 of the cap body A, and has an upper portion 40 whose outer peripheral surface is flush with the outer peripheral surface of the connecting peripheral wall 31, and an inner surface of the connecting peripheral wall 31. It is inserted between the outer surface 30 b and the inner upper end portion is composed of a lower portion 41 that engages with the reduced diameter step portion of the step outer surface 30 b, and the upper end outer edge of the upper portion 40 is deformed via a plurality of weakening connecting portions 37. The push button 38 is connected to the inner edge of the lower surface of the lower recess 39.

Next, the effect of the hinge cap of a present Example is demonstrated.
When the lid is closed, the lower portion 41 of the sealing piece 36 of the upper lid B is inserted between the inner surface of the connecting peripheral wall 31 of the sealing receiving portion 30 of the connecting portion 11 of the cap body A and the stepped outer surface 30b. Is fitted into the seal receiving portion 30.

  When the deformation pushbutton 38 of the pushbutton portion 35 of the upper lid B is pushed inward when the lid is opened, the lower end portion 38a opens the outer cylindrical portion 6 of the cap body A as shown in FIG. Abutting on the outer edge of the inclined surface 14b of the lid concave portion 14, and further sliding inwardly on the inclined surface 14b, the deformation push button 38 is raised by the inclination of the inclined surface 14b.

As the deformation push button 38 is raised, the sealing piece 36 is pulled through the weakened connecting portion 37. The upper end portion of the inner periphery of the lower portion 41 of the sealing piece 36 and the step portion of the step outer surface 30b of the sealing receiving portion 30 are engaged. The rising of the sealing piece 36 is prevented.
By making a difference between the deforming push button 38 that slides inward and rises and the sealing piece 36 that does not move by fitting into the sealing receiving portion 30, the weakening connecting portion 37 that connects the two is cut, The deformation push button 38 and the sealing piece 36 are released.
Other functions and effects are the same as those of the second embodiment.

  In this embodiment, when the deformation push button 38 is first pushed, the weakening connection portion 37 that connects the deformation push button 38 and the sealing piece 36 is cut and released. Even if the lid is closed, it can be seen from the outside whether the weakened connecting portion 37 is cut or not, so that it is possible to know whether or not the opening is open and prevent unauthorized opening.

  Moreover, since the lower recessed part 39 is provided in the lower part of the deformation | transformation push button 38, and the sealing piece 36 is connected with the lower surface inner edge of the lower recessed part 39 via the weakening connection part 37, after the weakening connection part 37 is cut | disconnected, Fingers do not hit the sharp cut part, and it is possible to prevent injury.

  In each of the above embodiments, the push button portion is formed so as to protrude outward from the outer cylinder wall. In consideration of appearance, the push button portion is suspended from the lower end of the outer cylinder wall, and the push button The part may be stored in the opening recess when the cover is closed, and the outer peripheral surface of the push button part may be set so as not to protrude outward from the outer periphery of the outer cylindrical wall and the outer peripheral cylindrical part.

In each of the above embodiments, the outer peripheral cylindrical portion of the cap body includes the outer cylinder, the connecting portion projecting on the opposite side of the outer cylinder hinge, and the outer sides of both of the connecting portions at a certain distance from the outer cylinder. It is provided with an outer peripheral wall that is provided continuously from the side and has a hinge provided at the upper end of the outer periphery, and a lid recess is provided in the connecting part. When the cap is separated and discarded, the outer peripheral wall is deformed via the hinge, and then connected. The outer cylinder is deformed through the section and discarded. However, if the cap is configured with a simple open lid and does not need to be separated and discarded, the outer peripheral cylinder can be used as the container for the cap body. Only the cylindrical outer peripheral cylinder whose inner periphery engages with the outer periphery of the part may be provided, and a hinge may be provided continuously at the outer peripheral upper end of the outer peripheral cylinder, and an open recess may be provided on the outer periphery on the opposite side of the hinge.
The configuration of the outer peripheral cylindrical portion of the cap body is not limited to the above embodiments.

  The present invention, when opening the hinge cap, by pushing the push button portion provided on the upper lid, it is possible to remove the fitting between the upper lid and the cap body with a simple and weak force, and to open the lid, It can be widely used as a hinge cap for various containers that can prevent unauthorized opening.

A Cap body B Top lid C Hinge 1 Bottom wall 2 Extraction cylinder 3 Ring-shaped bottom wall 4 Inner cylinder 5 Lid engagement cylinder part 6 Outer cylinder part 7 Weakening part 8 Pull ring 9, 19 Engagement protrusion 10 Outer cylinder 11 Connection part DESCRIPTION OF SYMBOLS 12 Outer peripheral wall 13 Weakening piece 14 Opening recessed part 14a Outer surface 14b Inclined surface 15 Top wall 16 Outer cylinder wall 16a Protruding part 16b Lower end part 16c Thin wall part 16d Deformation thin part 17 Inner cylinder part 18 Engagement part 20 Outer circumference recessed parts 21, 25 , 35 Push button portion 21a, 28a, 38a Lower end portion 22 Deformation concave portion 26 Connection portion 27 Weakening portion 28, 38 Deformation push button 30 Seal receiving portion 30a Outer surface 30b Step outer surface 30c Side surface 31 Connection peripheral wall 36 Sealing piece 37 Weakened connection portion 39 Lower recess 40 Upper 41 Lower

Claims (7)

In the hinge cap attached to the mouth tube portion of the container and consisting of a cap body and an upper lid,
The cap body includes a dispensing cylinder, a lid engaging cylinder part, and an outer peripheral cylinder part continuously connecting a hinge to the outer peripheral upper end,
On the outer periphery on the opposite side of the hinge of the outer peripheral cylindrical portion, a lid opening recess is recessed from the upper end to a predetermined height,
The lid opening recess is formed with an outer surface extending downward from the upper end and an inclined surface extending outward and downward from the lower end of the outer surface,
The upper lid includes a top wall and an outer cylinder wall,
An engagement portion that engages with the lid engagement tube portion is provided at the inner peripheral lower portion of the outer tube wall,
On the opposite side of the hinge of the outer cylinder wall, a deformable thin part is formed, and a push button part extending downward is continuously provided at the lower end part,
A hinge cap characterized in that a lower end portion of the push button portion comes into contact with an inclined surface of an opening recess of the cap body when the push button portion is operated.   2. The hinge cap according to claim 1, wherein a concave portion is provided on the opposite side of the outer peripheral hinge of the outer cylindrical wall, and the portion is thinner than the thickness of the peripheral wall of the other portion of the outer cylindrical wall.   3. The hinge cap according to claim 1, wherein the push button portion is formed so as to protrude outward from the outer cylinder wall and extend downward, and a lower end portion thereof faces inward. The push button portion is composed of a connecting portion projecting from the lower end portion of the outer cylinder wall, and a deforming push button suspended via a weakening portion that can be deformed to the outer edge of the lower surface of the connecting portion,
The hinge cap according to any one of claims 1 to 3, wherein a lower end portion of the deforming push button is brought into contact with an inclined surface of the opening concave portion of the cap body. The outer peripheral cylinder part includes an outer cylinder whose upper end is connected to the outer edge of the lid engaging cylinder part, a connection part protruding on the opposite side of the hinge of the outer cylinder, and a connection part spaced apart from the outer cylinder by a certain distance. An arc-shaped outer peripheral wall continuously provided from both outer side surfaces of
A hinge is connected to the outer peripheral upper end of the outer peripheral wall,
The hinge cap according to any one of claims 1 to 4, wherein an opening concave portion is provided on the outer periphery of the connecting portion. On the outer periphery on the opposite side of the hinge of the outer peripheral cylindrical portion, a sealing receiving portion is provided from the inclined surface of the lid opening recess to the lower end,
The hinge according to any one of claims 1 to 5, wherein a sealing piece fitted into the sealing receiving portion is continuously provided at a lower end of the push button portion via a thin weakened connecting portion that can be broken. cap. A lower recess is formed in the lower center of the pushbutton,
The hinge cap according to claim 6, wherein a sealing piece is continuously connected to the inner edge of the lower surface of the lower concave portion via a thin weakened connecting portion that can be broken.

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