JP3258937B2 - Hinged cap - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cap with a hinge which is attached to a container for properly injecting and applying a drug solution and the like, and particularly, the lid can be easily opened and closed and carelessly. The present invention relates to a synthetic resin hinged cap having a lock mechanism that does not open.

[0002]

2. Description of the Related Art Conventionally, a hinged cap has a lid which can be opened and closed by using a hinge portion as a rotation axis. When the lid is closed, the lid is fixed in a state of covering the top surface of the cap body. The lid is released by engaging a finger and lifting the projection upward from the lower end surface of the lid than the upper end of the cap body, thereby releasing the lid. In some cases, a locking mechanism is provided between the cap body and the lid so as to prevent the lid from being opened carelessly.

[0003]

However, in the above-mentioned prior art, the lid is provided with a protruding portion that protrudes from the upper end of the cap body. In addition to the risk of inadvertent opening of the lid, there is also a concern that when the child or the like holds the hand, the lid is easily opened and the contents are misused. In addition, in the cap provided with the lock mechanism, the lid is not carelessly opened unless the lock is released, but there is a problem that the lid must be opened once the lock is released, and the lid opening operation is troublesome. .

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional technology, and has as its object to provide a hinged cap that can prevent the lid from being opened carelessly and can easily perform the opening operation.

[0005]

A cap with a hinge according to the present invention has a cap body having a liquid inlet on a top surface and a locking cylinder on a side surface to be locked to a container. It consists of a lid that covers the top surface and that can be opened and closed using a hinge provided on the rear side of the cap body as a rotation axis,
It has a lock mechanism that is locked in the closed state and can be released when opening the lid. And the above
The top of the cap body has a liquid inlet on the back side of the lid
Equipped with a stopper, this stopper can be fitted to the above liquid inlet in the closed state
Provided, the cap body and provided in each of the lid is provided with engagement portions located at the lateral side relative to the hinge, the lid and the cap body by engaging portions of each engaging at the time of closing When the lid is opened, the front side of the lid is pressed toward the hinge to open the lid.
Deflection side of that is outwardly at that location, the lid side of the engagement portion
Are spread outward, the engagement between the engagement portions is released, and the lock is released. The cap body and the lid are formed integrally with the hinge, and the engaging portions are formed symmetrically with each other across the hinge on both lateral sides of the cap body and the lid.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the hinged cap of the present invention will be described below. In the hinged cap of this embodiment, the cap body and the lid are connected by a hinge, and the lid is opened and closed using the hinge as a rotation axis.
The side portion of the lid has flexibility so as to be deformed by a pressing force in the horizontal direction from the front side surface, and an engagement portion is provided inside the lateral side surface at an opposed position. On both lateral sides of the top surface of the cap body, engaging portions are provided at positions opposite to the outer periphery so as to engage with the engaging portions of the lid.

Here, when closing the lid, the lid is pressed down from above so as to cover the top surface of the cap body, so that the lower end portion of the lid comes into contact with the engaging portion provided on the top surface of the cap body. The lateral side surface of the lid bends and bulges in the outer peripheral direction, and gets over each engaging portion and is engaged. At this time, since the engaging portion is firmly engaged with a sufficient hooking amount, a locked state where the engagement cannot be released even when the user puts his / her finger on the lid and lifts the lid upward.

Next, when opening the lid, the front side of the lid is deformed so as to be pushed into the hinge side by pressing the front side of the lid in the hinge direction, and the lateral sides on both sides are deformed so as to expand in the outer peripheral direction. Then, the engagement between the cap body and the lid is released, and the locked state is released. Further, by applying a force upward while pressing the front side surface to the hinge side, the lid can be opened with the hinge as the rotation axis. The front side surface and the side surface of the lid deformed by pressing are restored by elasticity when the finger is released, and return to the original shape again.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a hinged cap according to the present invention will be described below with reference to the drawings. In the hinged cap of this embodiment, the cap body 1 and the lid 2 are connected by a hinge 3, and the lid 2 is opened and closed about the hinge 3 as a rotation axis. A locking cylinder 11 for fixing the cap to the container is provided on a side surface of the cap body 1, and has a liquid inlet 5 near the center of the top surface 4. Meanwhile, lid 2
A stopper 10 is provided in the vicinity of the center of the rear surface of the stopper.
The lid 2 is closed so as to cover the top surface 4 of the cap body 1 with the liquid inlet 5 closed.

The side surface of the lid 2 has a circular shape when viewed from above, and has flexibility so that it can be deformed by a horizontal pressing force from the front side surface 8. Further, a ridge 12 is provided on the front side surface 8 of the lid 2 so that a finger does not slip when the front side surface 8 is pressed or pushed up by applying force. At the lower end of the lateral side surface 9, concave portions 6, which are engaging portions formed of through holes from the inside to the outside of the lid 2, are provided at positions facing each other. On the other hand, on both lateral sides of the top surface 4 of the cap body 1, hooks 7 as engagement portions are provided at positions symmetrical outward with respect to each other so as to engage with the concave portions 6 of the lid 2.

When the lid 2 is closed, the lid 2 is pressed down from above so as to cover the top surface 4 of the cap body 1 so that the lower end of the lid 2 is positioned on both sides of the top surface 4 of the cap body 1. The hook 7 provided on the side contacts the side surface 9, and the lateral side surface 9 of the lid 2 bends and expands so as to be pushed outward in the outer peripheral direction. At this time, since the hook 7 and the concave portion 6 are firmly engaged with a sufficient hooking amount, a locked state where the engagement cannot be released even if the finger is put on the ridge 12 of the lid 2 and pulled upward.

Next, when the lid 2 is opened, the front side 8 of the lid 2 is deformed so as to be pushed into the hinge 3 by pressing the front side 8 of the lid 2 toward the hinge 3, and the lateral sides 9 on both sides are pressed.
Spreads in the outer peripheral direction. As a result, the side surface of the lid 2 is deformed from a circular shape to an elliptical shape, the hook 7 of the cap body 1 is disengaged from the recess 6 of the lid 2 and the locked state is released. Further, by applying a force upward while pressing the front side surface 8 toward the hinge 3, the lid 2 is opened with the hinge 3 as a rotation axis. At this time, by putting a finger on the protrusion 12 provided on the front side surface 8, the lid can be easily opened without slipping. The front side surface 8 and the side surface 9 of the lid 2 deformed by pressing are restored by elasticity when the finger is released, and return to the original shape again.

The pressing force required to release the locked state by pressing the front side surface 8 toward the hinge 3 can be appropriately adjusted by the thickness and height of the side surface portion of the lid 2 and can be opened by a child. As a pressing force that can be easily opened by an adult, a pressure of about 3 kgf is preferable. The hinged cap can be integrally and easily produced by injection molding using a synthetic resin as a raw material. As the raw material, a synthetic resin such as polypropylene or polyethylene is preferable as having a hinge property and elasticity.

[0014]

According to the hinged cap of the present invention, when the lid is opened, the lid and the cap body are in a locked state in which the lid and the cap body are firmly engaged with a sufficient amount of engagement, so that the child or the like can pick it up. At this time, there is no fear that the lid is easily opened and the contents are misused, and even if the hinged cap is hit or caught on something, the lid is not opened carelessly. Also, on the top of the cap body
It has a liquid inlet and has a stopper on the back of the lid, and this stopper is
Fittably provided in the pouring hole and is so liquid inlet
The blockage is reliable and easy to open. Soshi
The lid can be easily locked at the same time as the lid is closed simply by pressing the lid toward the top surface of the cap body, and the lid can be easily closed by applying force upward while pressing the front side to the hinge side. Can be opened, so that a cumbersome operation for releasing the lock mechanism is not required. Furthermore, since this hinged cap can be integrally and easily produced by injection molding using a synthetic resin as a raw material, it can be produced at a low cost with a simple structure.

[Brief description of the drawings]

FIG. 1 is an external perspective view showing an open state of a hinged cap according to an embodiment of the present invention.

FIG. 2 is an external perspective view showing a closed state of the hinged cap of this embodiment.

FIG. 3 is a longitudinal sectional view showing a closed state of the hinged cap of this embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cap main body 2 Lid 3 Hinge 4 Top surface 5 Injection port 6 Concave 7 Hook 8 Front side 9 Side side 10 Closure 11 Locking cylinder part 12 Protrusion

──────────────────────────────────────────────────の Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) B65D 35/44-35/54 B65D 39/00-55/16

Claims (2)

(57) [Claims] 1. A cap body having a liquid inlet on a top surface and a locking cylinder portion locked on a side surface to a container, and a cap body covering the top surface of the cap body and provided at a rear side of the cap body. A hinged cap having a lock mechanism that can be opened and closed with the hinge provided as a rotation axis, and that is locked in the closed state and that can be unlocked when the lid is opened, on the top surface of the cap body. Has an inlet
There is a stopper on the back side of the lid.
Fittably provided in the liquid inlet, the engaging portion positioned at lateral sides with respect to the hinge provided on each of the cap body and a lid provided by the engaging portion of each engaging at the time of closing engagement of said lid and said cap body is locked, the front side of the lid flexure sides of that is outward in the lid that position by pressing toward the hinge upon lid opening, upper
A hinged cap, wherein the engaging portion on the cover side is spread outward, the engagement between the engaging portions is released, and the lock is released. 2. The cap body and the lid are integrally formed together with the hinge, and the engaging portions are formed symmetrically to each other across the hinge and on both lateral sides of the cap body and the lid. The hinged cap according to claim 1, wherein