JPH0986550A - Safety cap - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a cap from being opened by an infant in the cap in which a rear part of each circumferential wall of a main cap and an auxiliary cap to cover an upper surface of the main cap is connected to each other by a thinwalled hinge and integrated with the synthetic resin, and the connected part is fitted to a mouth and neck part of a container by an undercut. SOLUTION: A semi-short tubular part 10 is added to an upper end of a front side of a circumferential wall 3 of a main cap 1 by forming a through hole in the vertical direction between the front side of the circumferential wall and the semi-short tubular part, and a projected part 21 to cover the upper surface of the semi-short tubular part is added to a forward part of a circumferential wall 17 of an auxiliary cap 15, and an elastic hook 22 which is pierced through the through hole from the lower surface of the projected part, engaged with the lower surface of the forward part of the semi-short tubular part 10, and suspended downward is provided in the vertical direction. The auxiliary cap 15 can be opened only by pulling up the forward part of the auxiliary cap 15 in the condition in which a pressing plate part 22c of the elastic hook 22 suspended downward of the semi-short tubular part 10 is pressed backward.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a so-called safety cap, that is, a cap provided so that an infant can open the lid without using stored chemicals without permission.

[0002]

2. Description of the Related Art For example, as shown in Japanese Utility Model Publication No. 56-28939,
The inner cap is provided so as to be screwed into the neck of the container body, and the outer cap is fitted to the outer surface of the inner cap so as to be rotatable and non-pullable. A ball rolling groove is formed that has a circumferential portion that is concentric with the top wall and that protrudes in both the left and right directions, which are tangential to the tangential direction, and has a ball rolling groove formed. , A linear regulation groove is formed so that the end on the tip side of the inner and outer cap tightening direction is located on the circumference of the ball rolling groove and the other end is located on the circumference including the reservoir. However, there is known a safety cap in which a ball that is rollable only in the weight portions is inserted into the weight portions of both the grooves. With respect to the cap, both the inner and outer caps rotate together when the ball enters the reservoir in the cap tightening direction, but the ball enters the circumferential portion of the ball rolling groove in the loosening direction and moves outward. The cap is provided so as to idle with respect to the inner cap, and in order to open the lid, the cap is tilted so that the reservoir portion located on the cap loosening side faces downward, and the ball is moved into the reservoir portion. It is provided so as to require that.

[0003]

The above-mentioned conventional safety cap is premised on a cap which is screwed into the neck of the container body, and is fitted to the neck of the container body by so-called undercut fitting. It cannot be applied to a cap to be combined.

According to the present invention, a cap for closing the upper surface of the main cap with an auxiliary cap, which is provided so as to be fitted into the neck portion of the container body by undercut fitting, is provided with a structure as the above-mentioned safety cap. In a cap integrally formed of synthetic resin material by connecting the upper end of the rear portion of the cap peripheral wall and the lower end of the rear portion of the auxiliary cap peripheral wall with a synthetic resin material, an elastic hook hung vertically from the front portion of the auxiliary cap peripheral wall to the front portion of the main cap peripheral wall The auxiliary cap cannot be opened by inserting it into the through hole formed by attaching the tubular part.To open the auxiliary cap, press the lower part of the elastic hook hanging below the through hole and the front of the auxiliary cap peripheral wall. It is provided so as to prevent the above-mentioned infant from opening the lid by requiring that the part is pulled up at the same time.

[0005]

[Means for Solving the Problems] To the outer surface of the neck of the container body,
A rear upper end of the peripheral wall 3 of the main cap 1 having an undercut fitting projection 8 on the inner surface thereof and a rear lower end of the peripheral wall 17 of the auxiliary cap 15 closing the upper surface of the main cap are connected by a thin hinge 18. In a cap in which the main cap and the auxiliary cap are integrally molded with a synthetic resin material, a vertical through hole 9 is formed between the front end of the main cap peripheral wall 3 and the peripheral wall 3 to form a half-short hole. While additionally providing the tubular portion 10, from the front portion of the auxiliary cap peripheral wall 17, a protrusion 21 that covers the upper surface of the semi-short tubular portion 10 is provided, and from the lower surface of the protrusion,
An elastic hook 22 formed by continuously forming a vertical plate portion 22a, a horizontal plate portion 22b, and a push plate portion 22c is hung down, and the vertical plate portion 22a is loosely inserted into the through hole 9 to project forward from the lower end of the vertical plate portion. Board
22b is engaged with the lower surface of the semi-short tubular portion 10, and a push plate portion 22c is further hung from the front end of the horizontal plate, and the push plate portion 22c is pushed rearward to elastically deform the elastic hook 22 to make the half short portion. The elastic hook 22 is formed so as to be able to be pulled out from the through hole 9 by opening the auxiliary cap in a state where the horizontal plate portion 22b is removed from the lower surface of the tubular portion 10.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION The safety cap of the present invention comprises a main cap and an auxiliary cap. First, a first embodiment shown in FIGS. 1 to 4 will be described. In the first embodiment, a cap of a known simple sprayer is used as a safety cap of the present invention, and a main cap 1 includes a top wall 2 from an outer circumference to a peripheral wall 3. Droop. The outer diameter of the top wall 2 is a step 4 that is upward from the upper end of the peripheral wall.
Is formed in the small outer diameter portion 5 via. Further, a spray nozzle 6 and a guide 7 are erected from both front and rear portions of the top surface of the top wall 2, and a ridge 8 for undercut fitting to the outer surface of the neck of the container body is provided on the inner surface of the lower portion of the peripheral wall 3. I have set up. Further surrounding wall 3
A semi-short tubular portion 10 is attached to the upper end of the front surface of the peripheral wall 3 by forming a vertical through hole 9 between the front surface and the front surface. Reference numeral 11 is a suction pipe hanging from the nozzle.

In the auxiliary cap 15, the lower part of the peripheral wall 17 hanging from the outer periphery of the top wall 16 is fitted to the outer surface of the small outer diameter part 5 of the main cap, and the lower end of the rear part of the peripheral wall 17 is connected to the main cap peripheral wall 3.
It is connected to the upper end of the rear portion through a thin hinge 18. Further, a tubular portion 19 to be fitted to the outer surface of the nozzle 6 is hung from the lower surface of the top wall 16, and the left and right wall portions of the tubular portion are extended rearward to form the above-described guide 7 fitting groove 20. . Further, from the front part of the peripheral wall 17, a projecting portion 21 that closes the upper surface of the semi-short tubular portion 10 described above is projected, and the elastic hook 22 is inserted from the lower surface of the projecting portion 21 into the through hole 9.
Droop.

The elastic hook hangs down from the lower surface of the protruding portion 21 and is vertically inserted into the through hole 9 and the lower end of the vertical plate portion is projected forward to the lower surface of the front portion of the semi-short tubular portion 10. It comprises a horizontal plate portion 22b to be engaged with and a push plate portion 22c which is bent downward from the front end of the horizontal plate portion and hangs downward. The horizontal plate portion 22b is a push plate portion.
22c is pushed rearward to disengage from the lower surface of the semi-short tubular portion 10, and in this state, the front portion of the auxiliary cap 15 is pulled up to the main cap 1 so that the elastic hook 22 can be pulled out from the through hole 9. Keep it. In order to facilitate the engagement and disengagement of the horizontal plate portion 22b with respect to the lower surface of the front portion of the semi-short tubular portion 10, between the rear surface of the vertical plate portion 22a inserted into the through hole 9 and the front surface of the main cap peripheral wall 3. It is advisable to form an appropriate gap on the horizontal plate portion 22b by pressing the push plate portion 22c when the gap is small.
It is necessary to elastically deform it until it becomes almost vertical.

In the illustrated embodiment, the lower end of the push plate portion 22c is brought into contact with the front surface of the main cap peripheral wall 3 so that the elastic hook 22 can be easily elastically deformed by pushing the push plate portion backward.

The main cap 1 and the auxiliary cap 15 are connected by a thin hinge 18 and integrally molded with a synthetic resin material.

5 and 6 show a second embodiment. The embodiment shows an example in which the safety cap is a liquid pouring cap, and the central portion of the top wall 2 of the main cap 1 is largely opened so that the liquid pouring cylinder 25 is erected upward and outward from the peripheral edge of the opening. From the bottom surface of the top wall 16 of the cap 15
A stopper cylinder 26 that is fitted in a watertight manner on the inner surface of 25 is hung. The structure of the other parts is the same as that of the first embodiment, and the same reference numerals are given to omit the description.

FIG. 7 and FIG. 8 show the third embodiment, and shows an example in which the safety cap is a cap for a container for containing liquid, powder, granules or the like. In this embodiment, the central portion of the main cap top wall 2 is opened relatively small, the short cylinder 30 is erected from the peripheral edge of the opening, and from the lower surface of the auxiliary cap top wall 16,
A stopper rod 31 to be fitted into the short cylinder is suspended. The other structures are similar to those of the first embodiment, and therefore, the same reference numerals are given and the description thereof is omitted.

[0013]

The present invention has the above-described structure, and the rear upper end of the main cap 1 peripheral wall having the protrusion 8 for undercut fitting on the outer surface of the neck and neck of the container body and the upper surface of the main cap. Auxiliary cap 15 to close the
In a cap integrally connected with a thin hinge 18 and integrally molded with a synthetic resin material, a semi-short tubular portion 10 is attached to the upper end of the front surface of the main cap peripheral wall 3 to form a through hole 9 between the front surface and the peripheral wall. A projection 21 is provided on the front surface of the auxiliary cap peripheral wall 17 to cover the upper surface of the semi-short tubular portion 10, and the elastic hook 22 is hung from the lower surface of the projection by allowing the elastic hook 22 to hang down. A vertical plate portion 22a loosely inserted in the through hole 9, a horizontal plate portion 22b protruding forward from the lower end of the plate portion to engage with the lower surface of the semi-short tubular portion 10, and a push plate portion 22c hanging from the front end of the plate portion. And pressing the push plate portion 22c rearward to remove the horizontal plate portion 22b from the lower surface of the semi-short tubular portion 10, and from this state, the auxiliary cap 15
Since the lid cannot be opened without performing both of these operations at the same time by pulling up the front part, and because it is difficult for an infant to perform both of these operations at the same time, the opening of the infant can be prevented.

[Brief description of drawings]

FIG. 1 is a perspective view showing a cap of the present invention in an open state.

FIG. 2 is a side view of the cap in a closed state.

FIG. 3 is a front view of the cap.

FIG. 4 is a perspective view of the cap.

FIG. 5 is a perspective view of an open-lid cap shown in the second embodiment.

FIG. 6 is a side view of the cap shown in FIG. 5 when the lid is opened.

FIG. 7 is a perspective view showing the cap of the third embodiment with the lid open.

FIG. 8 is a side view of the cap of FIG. 7 when the lid is opened.

[Explanation of symbols]

 1 ... Main cap 10 ... Semi-short tubular part 15 ... Auxiliary cap 22 ... Elastic hook

Claims (1)

[Claims] 1. A rear upper end of a peripheral wall 3 of a main cap 1 having an inner surface having a ridge 8 for undercut fitting to an outer surface of a neck of a container body, and a peripheral wall of an auxiliary cap 15 closing the upper surface of the main cap. A cap formed by integrally molding the main cap and the auxiliary cap with a synthetic resin material by connecting the lower end of the rear part 17 with a thin hinge 18, and between the front end of the main cap peripheral wall 3 and the front face of the peripheral wall 3. Through hole 9 in the vertical direction
And the semi-short tubular portion 10 is formed, and from the front portion of the auxiliary cap peripheral wall 17, a projection 21 that covers the upper surface of the semi-short tubular portion 10 is projected, and from the lower surface of the projection, a vertical plate is formed. An elastic hook 22 formed by continuously forming a portion 22a, a horizontal plate portion 22b, and a push plate portion 22c is hung, and the vertical plate portion 22a is loosely inserted into the through hole 9.
The horizontal plate portion 22b protruding forward from the lower end of the vertical plate is engaged with the lower surface of the semi-short tubular portion 10, and further, the push plate portion 22c is provided from the front end of the horizontal plate.
Is erected vertically, and the push plate portion 22c is pressed backward to elastically deform the elastic hook 22 so that the horizontal plate portion 22 extends from the lower surface of the semi-short tubular portion 10.
A safety cap characterized in that the elastic hook 22 is formed so that it can be pulled out from the through hole 9 by opening the auxiliary cap from the state where b is removed.