JP2941183B2 - Inner stopper for constant volume shaking - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an inner plug in which a predetermined amount of powder or granules contained in a container can be spouted by an operation of turning the container upside down and returning it to its original state. Things.

[0002]

2. Description of the Related Art Various inventions have been devised for this kind of fixed-volume spout, one example of which is described in Japanese Utility Model Publication No. 3-12674. That is, in this prior art, the inner plug is constituted by an upper member provided with an outer cylinder fitted to the mouth of the container, and a lower member fitted to the outer cylinder of the upper member. The downwardly opened measuring cylinder is integrally attached via bridge-shaped connecting pieces provided at appropriate intervals along the circumferential direction, while being opened at the lower end of the lower member toward the measuring cylinder. on Subomari tapered barrel in which it is in contact communicating integrally.

[0003] With this configuration, the contents in the container enter the measuring cylinder from the tapered cylinder by the operation of inverting the container, and then enter the measuring cylinder by the operation of returning the container to the original state. and contents, will be accumulated in an annular recess formed around the tapered tube of the lower member, the contents accumulated by a predetermined amount around the <br/> tapered tube, outside of the upper member it is the this <br/> that out swinging from the annular space between the cylindrical portion and the metering cylinder.

[0004]

However, in this prior art, a lower member is fitted to an outer cylindrical portion of an upper member, and a projection and a recess formed on a fitting surface of the two are fitted together. Since the lower member is locked to the upper member, while the container is being used, the projection formed on the mating surface between the upper member and the lower member is disengaged from the recess and the lower member is disengaged. There has been a problem that the member may fall off into the container and may not be able to function as an inner stopper for constant-volume dispensing.

[0005] It is an object of the present invention to provide a fixed-volume spouting plug which solves this problem.

[0006]

In order to achieve this object, the present invention provides a synthetic resin body which is mounted in the mouth of a container, and a downwardly-opening measuring cylinder disposed in the body. The main body is formed in a form in which an outer cylindrical portion fitted into the mouth of the container and an inner cylindrical portion located inside and opened vertically at the lower end are integrally connected at a lower end, and the outer cylindrical portion in the main body is formed. the upper end of the flange portion abuts is formed on the top surface of the mouth portion of the container, the further, lower end of the inner cylindrical portion of the main body
In addition, engaging claws projecting outward in the radius are
Several of them are provided, and the respective
While opening a hole for exposing the engaging claws downwards, the meter
The lower end of the measuring cylinder is attached to the lower end of the inner cylinder of the main body.
By fitting from the side, each of the through holes is located below the measuring cylinder.
The engaging claw is closed on the inner peripheral surface at the lower end of the measuring cylinder.
Engagement groove that fits into
Is formed so as to extend over the entire circumference, and further, the measuring cylinder
Of these, a passage communicating with the inside and outside is formed in a portion above the engagement groove . "

[0007]

With this configuration, the contents in the container enter the measuring cylinder from the inner cylinder of the main body by the operation of turning the container upside down, and then the container is returned to the original posture. contents which were in the metering cylinder will <br/> that flows from the passage into the annular space between the outer cylinder part and the inner cylindrical portion of the body, between the inner cylindrical portion and the outer cylindrical portion of the body The contents accumulated in the container are swung out from an annular space formed between the outer cylindrical portion of the main body and the measuring cylindrical body.

In the present invention, since the flange which is in contact with the top surface of the mouth of the container is formed at the upper end of the outer cylinder of the main body, the main body never falls into the container. There also et or in which mounting the metering cylinder body from above the tube portion in which thus forms the body had attached so as not to fall into the body, in no way weighing cylinder falls into the container .

Further, each of the engagement claws of the inner cylindrical portion of the main body is provided.
Open a through-hole at the location of
The main body is synthesized using a pair of molds
In manufacturing by resin injection molding method,
Engagement claws can be formed without impairing ease,
As a result, the measuring cylinder is firmly attached to the inner cylinder of the main unit.
Can be opened. Moreover, the through-hole is closed by the measuring cylinder
Therefore, the contents do not leak from the through holes.

Therefore, according to the present invention, when the inner plug is composed of two members, the member constituting the inner plug falls into the container without impairing the function of dispensing the contents by a fixed amount. The fear can be reliably eliminated and the total
This has the effect that the volume cylinder can be firmly attached to the main body .

[0011]

Next, an embodiment of the present invention will be described with reference to the drawings. FIG . 1 (a) shows the separated state, and FIG. 4 shows the state where the inner plug 1 is attached to the mouth A1 of the container A in FIG. The inner plug 1 of the present invention comprises a main body 2 attached in the mouth A1 of the container A, and a downwardly opening measuring cylinder 3 arranged in the main body 2. The mouth A1 of the container A is closed with a screw-type cap B.

The main body 2 of the inner plug 1 is connected to the mouth A of the container A.
1 has an outer cylindrical portion 4 which fits tightly against elasticity and an inner tube portion 5 which is open and closed and has a constricted upper end. The lower ends of the outer cylindrical portion 4 and the inner cylindrical portion 5 are provided. Are connected integrally via a bottom plate 6. At the upper end of the outer cylindrical portion 4 of the main body 2, a flange portion 7 that comes into contact with the top surface of the mouth A <b> 1 of the container A projects outward. In addition, the outer cylinder portion 4 is configured such that only its upper portion is fitted into the mouth A1 of the container A, so that the body 2 can be easily fitted into the mouth A1 of the container A.

As shown clearly in FIG. 1C, a straight portion 5a is formed at the lower end of the inner cylindrical portion 5 of the main body 2, and the straight portion 5a has an engaging claw projecting radially outward. 8 are formed at appropriate intervals along the circumferential direction (see also FIGS. 3A and 3B). In addition, a through hole 9 is formed in a portion of the inner cylindrical portion 5 below each engaging claw 8. The through-hole 9 is used to form the engaging claw 8 without impairing the reliability of the die cutting when manufacturing the main body 2 by a synthetic resin injection molding method using a pair of dies that move in the axial direction of the main body 2.
Is formed.

The measuring cylinder 3 is formed in a cup shape having an inner diameter so as to cover the entire inner cylindrical portion 5 of the main body 2, and a lower end of the measuring cylinder 3 is provided with an inner cylindrical portion 5 of the main body 2. Are connected via a plurality of (four in the example) connecting pillars 3b arranged at appropriate intervals along the circumferential direction (FIG. 1). 2). Therefore, a passage 10 divided by the connecting column 3b is formed at the lower part of the measuring cylinder 3 so as to communicate inside and outside.

As shown in FIG. 1B in an enlarged manner, the inner surface of the annular locking portion 3a of the measuring cylinder 3 is engaged with the engaging claw 8 of the inner cylinder 5 of the main body 2. The engaging groove 11 is formed to extend over the entire circumference. Therefore,
The measuring cylinder 3 is provided with an annular locking portion 3 a in the measuring cylinder 3.
Is fitted to the straight portion 5a of the inner cylindrical portion 5 against the elasticity of the inner cylindrical portion 5 of the main body 2.

As shown in FIG. 4, when the cap B is screwed into the mouth A1 of the container A, the flange 7 of the main body 2
Is pressed against the top surface of the mouth portion A1 to be sealed. In the above configuration, when the container A is turned upside down, the contents C, such as a powder, flow into the measuring cylinder 3 from the inner cylindrical portion 5 of the main body 2, and then, when the container A is returned to the original posture, the weighing is performed. The contents C stored in the cylindrical body 3 flow into the bottom plate 6 of the main body 2 from the passage 10, and a certain amount of the contents C is stored in the six bottom plates. The contents C can be spouted out of the space between the unit 4 by a certain amount.

The main body 2 is held by the flange 7 in the container A so as not to fall off, while the measuring cylinder 3 is attached to the inner cylinder 5 of the main body 2 from above. The measuring cylinder 3 does not fall into the container A at all even if it comes off from the inner cylinder 5 of the main body 2. The cap for closing the container is not limited to the screw type, and may be integrally connected to the main body via a hinge, for example.

[Brief description of the drawings]

[1] (a) the separation front view of the real施例of the present invention, (b)
FIG. 3 is an enlarged sectional view of a main part of the measuring cylinder, and FIG.

FIG. 2 (a) is a plan view taken along the line II-II of FIG. 1 (a), (b)
Is a bottom view of the measuring cylinder.

FIG. 3 (a) is a plan view of FIG. 1 (a) taken along line III-III,
(B) is a bottom view of the main body, and (c) is a cc cross-sectional view of (a).

FIG. 4 is a sectional view showing a state in which the inner plug is attached to the mouth of the container.

FIG. 5 is a diagram showing a use state.

[Explanation of symbols]

A container A1 mouth B cap 1 inner plug 2 main body 3 measuring cylinder 4 outer cylinder 5 inner cylinder 7 flange 8 engaging claw 9 through hole 10 passage 11 engaging groove

Claims (1)

(57) [Claims] And 1. A container <br/> body 2 mouth made of preparative stick synthetic resin in A1 of A, consists metering cylinder 3 which downward opening disposed within the body 2, the main body 2, Outer cylinder part 4 fitted in mouth A1 of container A
And formed on integrally connected forms a cylindrical portion 5 within that opening at the lower end vertically positioned inside the main body 2
At the upper end of the outer cylinder portion 4, the flange portion 7 abuts is formed on the top surface of the mouth portion A1 of container A, further, the main body 2
That protrudes radially outward at the lower end of the inner cylinder 5
A plurality of claws 8 are provided along the circumferential direction, and
Each engaging claw 8 is exposed downward at the position of each engaging claw 8.
While opening a hole 9 for the inner tubular portion of the lower end of the metering cylinder 3 in the body 2 5
Each of the through holes 9 is fitted to the lower end of the through hole 9 from outside.
Is closed by the lower end of the measuring cylinder 3, and the lower end of the measuring cylinder 3
On the peripheral surface, the measuring cylinder 3 is pulled upward while being fitted to the engaging claw 8.
Extend over the entire circumference of the engagement groove 11 for holding
And the engagement groove 11 of the measuring cylinder 3
An inner plug for quantitatively dispensing, wherein a passage 10 communicating with the inside and outside is formed at a position above the bridge.