JP2016172584A - Lid opening/closing mechanism - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lid opening/closing mechanism with which a lid cannot be opened by infants or the like since it always needs a plurality of operations for opening the lid in the state where the lid is closed, and which can prevent the infant or the like from accidentally swallowing contents in a container.SOLUTION: A lid opening/closing mechanism comprises an upper end structure part 2 which is provided in the opening on the upper end of a contents storage part, and a lid part 4 which is provided in the rear part of the upper end structure part via a hinge part. The upper end structure part comprises a storage part side engaging protrusion 22 which is formed of a bent part 22a protruding frontward and bent downward, and a pressing part 23 which is located on the lower side of the storage part side engaging protrusion and is pressed inward. The front part of the lid part is provided with an engaging hole 41 through which the bent part of the storage part side engaging protrusion passes. The upper end structure part includes a belt-like protrusion 21 in an elastic structure which acts so as to push up the lid part in the state where the lid part is closed. In the state where the lid part is pushed up and closed, the bent part is engaged with a lower end portion of the engaging hole, the lid part is pushed down, the pressing part is pressed inward, the bent part passes through the engaging hole to the inner side, and thereby the lid part can be opened upward.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a lid opening / closing mechanism. In particular, the present invention relates to a lid opening / closing mechanism that is used for a packaging container that is repeatedly opened and closed to take out the contents, and that is not opened by a simple operation in order to prevent an infant or the like from accidentally swallowing the contents in the container. Is.

  There is a packaging container that contains multiple solid contents such as tablets and capsules for household medicines, but in such a packaging container, the contents are not consumed at the first opening, and the remaining contents The container is resealed and stored, and the contents are opened and closed repeatedly for use.

  Such contents include pharmaceuticals, pest control agents, cleaning agents, and the like, and many children have adverse effects on the body if they are accidentally swallowed. Therefore, in recent years, the concept of child proof has been introduced, and packaging containers have emerged that cannot be opened by simple operations.

  As a container corresponding to such a child proof, there is a container which cannot be opened unless the cap is pushed down or turned sideways. As described above, the child proof-compatible device cannot be opened unless two operations are performed simultaneously or sequentially.

  In addition, in the case of a hinge lid type container, an engagement portion that engages with a claw of a lid that holds a state in which the opening is closed with a lid is provided at one end of the container body with a container composed of a container body and a lid. A push button is provided, and the other end is coupled to the lid by a hinge provided with a swing shaft that allows the lid to rotate, and a lock portion for locking the rotation of the lid is thin on the back of the lid hinge portion. There is a container provided with a lock recess for storing the lock portion between the container body and the lid.

  When the lock part is stored in the lock recess, this container can be locked so that the tip of the lock part hits the lock storage part end of the container body and the lid does not open from the opening of the container body, and the lock part is removed from the lock recess. And a container with a lock function that allows the lid to rotate (Patent Document 1).

  This container with a lock function can be opened and closed at any time by pressing the push button and closing it by pushing the push button if the lock part provided on the back of the lid is bent at the thin part and fitted into the lock storage part. . If the lock portion is fitted into the lock recess on the back surface side of the lid with the lid closed, the lock is applied and the push button does not open even if the push button is pressed.

  If the container with the lock function is locked, the lid will not open even if you push the push button, but if you forget to lock it, infants can easily open it. A container that always locks may be necessary depending on the application.

  Known documents are shown below.

JP 2014-105014 A

The present invention has been made in view of the above circumstances, and when the lid is closed, a plurality of operations are always required to open it, and an infant or the like cannot open it. It is an object to provide a lid opening / closing mechanism capable of preventing drinking.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and the invention according to claim 1 is provided at the upper end structure portion provided at the upper end opening of the content storage portion and at the rear portion of the upper end structure portion via a hinge portion. A lid opening / closing mechanism comprising a lid portion,
The upper end structure portion has a storage portion side locking projection that is bent forward and protrudes downward, and a pressing portion that is positioned below the storage portion side locking projection and is pushed inwardly. ,
The lid portion is provided with a locking hole through which a bent portion of the storage portion side locking projection passes,
In a state where the upper end structure portion is closed by the lid portion, an elastic structure that works to push up the lid portion is provided,
With the lid portion pushed up and closed, the bent portion is locked to the lower end portion of the locking hole, the lid portion is pushed down, and the pressing portion is pushed inward, whereby the bent portion is The lid opening / closing mechanism is characterized in that it can be opened inward from the locking hole to open the lid portion upward.

  The lid opening / closing mechanism of the present invention, when the lid is closed, always requires a plurality of operations to open and cannot be opened by an infant or the like, and therefore accidentally swallows the contents stored in the contents storage section. Can be prevented.

It is explanatory drawing which showed typically the container using an example of the lid | cover opening / closing mechanism of this invention. (A) Top view, (B) Front view, (C) Right side view. It is explanatory drawing which showed typically the state in which the cover part of the container using an example of the lid | cover opening / closing mechanism of this invention opened. (A), (B), (C) It is explanatory drawing which showed the method of opening the latching | locking part and lid part of an example of the lid | cover opening / closing mechanism of this invention in the cross section.

Hereinafter, embodiments for carrying out the present invention will be described.
FIG. 1 is an explanatory view schematically showing a container using an example of a lid opening / closing mechanism of the present invention, (A) a plan view, (B) a front view, and (C) a right side view. FIG. 2 is an explanatory view schematically showing a state in which the lid of the container using an example of the lid opening / closing mechanism of the present invention is opened. FIGS. 3A, 3B, and 3C are explanatory views showing, in section, a method of opening the locking portion and the lid portion of an example of the lid opening / closing mechanism of the present invention.

  The container 100 using the lid opening / closing mechanism of this example is shown in FIG. 1 (A) plan view, (B) front view, (C) right side view, and perspective view of FIG. It is provided via a storage unit body 1 having a content storage unit surrounded by these, an upper end structure unit 2 attached to an opening at the upper end thereof, and a hinge unit 3 at the rear of the upper end structure unit 2 It is composed of a lid opening / closing mechanism comprising a lid portion 4.

  The upper end structure portion 2 and the lid portion 4 are molded as a single body and are connected via a hinge portion 3 formed thinner than others. The storage unit main body 1 and the upper end structure unit 2 are separately molded and integrated by bonding such as heat welding or fitting with grooves and protrusions. The storage unit body 1, the upper end structure unit 2, the hinge unit 3, and the lid unit 4 are molded by injection molding using a thermoplastic resin such as polypropylene.

  In this example, the container 100 is provided with the hinge portion 3 with a thin wall, but the upper end structure portion 2 and the lid portion 4 are separately molded, and a through hole and a shaft are inserted into the bearings through the hinge portion. And may be formed integrally. Moreover, you may shape | mold the accommodating part main body 1 and the upper end structure part 2 integrally at this time.

  As shown in the perspective view of FIG. 2, an elastic structure that works to push up the lid portion 4 is provided at the upper end of the front center of the upper end structure portion 2 by two belt-like projections 21 and 21 that are curved upward. Yes.

  In this example, the band-like protrusions 21 and 21 are provided at the upper end of the front center of the upper end structure portion 2, but the present invention is not limited to this, and the band-like protrusions may be provided at the upper ends of the left and right side surfaces of the upper end structure part 2. In addition, when the hinge portion is a shaft and a bearing, the elastic structure may be provided with a spring on the hinge portion instead of the two belt-like protrusions curved upward.

  Further, as shown in FIG. 2 and FIG. 3, the lower part of the belt-like protrusions 21, 21 is provided with a storage part side latching protrusion 22 including a bent part 22 a that protrudes forward and bends downward. A pressing portion 23 for pushing the storage portion side locking projection 22 inward is provided below the storage portion side locking projection 22.

  A locking hole 41 through which the bent portion 22a of the storage portion side locking projection 22 passes is provided in the front portion of the lid portion 4. When the lid in FIG. 21, the lid portion 4 is pushed up, the bent portion 22 a of the upper end structure portion 2 is locked to the lower end portion of the locking hole 41 of the lid portion 4, and the lid portion 4 cannot be lifted up and opened. It is like that.

  In addition, the front-end | tip part of the downward direction of the latching hole 41 of the cover part 4 bends ahead and protrudes. For this reason, when opening the lid, the lid 4 can be lifted by placing a finger on the lower end of the protruding portion, so that the finger is easily applied and is not painful.

  And in order to open a lid | cover, if the front part of the cover part 4 is pushed down from the top, the latching hole 41 of the cover part 4 will be located in the bending part 22a of the upper end structure part 2 like FIG. 3 (B). Therefore, when the pressing portion 23 is subsequently pushed inward of the container, the bent portion 22a of the upper end structure portion 2 passes through the locking hole 41 of the lid portion 4, and as shown in FIG. It moves to the direction and the lock is released.

  When the lock is released, the front portion of the lid 4 is lifted by the band-shaped protrusions 21 and 21 having an elastic structure. If it becomes like this, the lower end of the downward direction of the latching hole 41 of the cover part 4 can be lifted up, and a cover can be opened. Thereby, the contents stored in the storage unit body 1 can be taken out.

  In order to cover again, when the pressing portion 23 is pushed inward of the container, the bent portion 22a moves inward, so that the pressing portion 23 is pushed in while the lid portion 4 is put on the upper end structure portion 2 and pushed down. And the bent portion 22 a is passed through the locking hole 41 of the lid portion 4.

  Then, when the depression of the lid part 4 is stopped, the lid part 4 is pushed up by the band-like protrusions 21, 21, and the bent part 22 a of the upper end structure part 2 is engaged with the lower end part of the engagement hole 41 of the lid part 4. And resealed as shown in FIG.

  In FIG. 3, the right side of the curve is omitted, but in the right direction of the curve, the upper end structure portion 2 is bent downward to form an inner peripheral wall, and this inner peripheral wall is the peripheral wall of the storage unit body 1. The storage unit main body 1 and the upper end structure unit 2 are integrated by bonding or fitting with the upper end part.

  As described above, by using the lid opening / closing mechanism of the present invention, in order to open the lid, the lid portion is pushed down, and in that state, one operation is performed such that the pressing portion is pushed inward of the container. If the second operation is not performed while the state is maintained, the lock cannot be released and the lid cannot be opened. For this reason, it is possible to prevent an infant or the like from opening and accidentally swallowing the contents in the container.

  If you are an adult, hold the container in one hand, push down the lid with the other hand, and press the pressing part with your finger or the hand with the container to release the lock. When you release the pressed hand, the lid lifts with an elastic structure. And if it puts a finger on the lower end of the front part of the lid part and lifts it with its hand, the lid can be opened, which is convenient.

DESCRIPTION OF SYMBOLS 100 ... Container 1 ... Storage part main body 2 ... Upper end structure part 21 ... Band-shaped protrusion 22 ... Storage part side latching protrusion 22a ... Bending part 23 ... Pressing part 3. ..Hinge part 4 ... lid part 41 ... locking hole

Claims (1)

A lid opening / closing mechanism comprising an upper end structure portion provided at an upper end opening of a content storage portion and a lid portion provided at a rear portion of the upper end structure portion via a hinge portion;
The upper end structure portion has a storage portion side locking projection that is bent forward and protrudes downward, and a pressing portion that is positioned below the storage portion side locking projection and is pushed inwardly. ,
The lid portion is provided with a locking hole through which a bent portion of the storage portion side locking projection passes,
In a state where the upper end structure portion is closed by the lid portion, an elastic structure that works to push up the lid portion is provided,
With the lid portion pushed up and closed, the bent portion is locked to the lower end portion of the locking hole, the lid portion is pushed down, and the pressing portion is pushed inward, whereby the bent portion is A lid opening / closing mechanism characterized in that the lid part can be opened upwardly through the locking hole.

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