JPH10113599A - Coating plug - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable a bung hole in a middle plug body to be completely closed when a coating plug is not used and a coating liquid contained in a container to be stably discharged by preventing a plug bar from being inclined in the bung hole of an applicator when the plug bar is pushed back and making a gas between the bung hole and a closing valve intermittent. SOLUTION: This coating plug consists of a middle plug body 1 with a fitting cylinder 7 to be fitted into a container mouth 6a provided on a valvular seat plate 5 having an open bung hole 4, an applicator 2 which is attached to the valvular seat plate 5 of the middle plug body 1 and at the same time, is freely deformable elastically with a bung hole 8 opened against the bung hole 4 and a plug bar 11 which extends upto the interior of the bung hole 8 in the applicator 2 passing through the bung hole 4, installed upright on a closing valve 10 which comes into contact with the valvular seat plate 5 of the middle plug body 1 from below to close the bung hole 4 and a valvular body 3 having suspended elastic pieces 12 whose lower ends are anchored to a cylinder 7 fitting into the middle plug body 1. In addition, plural lengthwise grooves 13 are provided on the peripheral face of the plug bar 11 for the valvular body 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an application stopper suitable for applying a viscous liquid such as shoe ink or liquid wax.

[0002]

2. Description of the Related Art Conventionally, as shown in FIGS. 4 and 5, this type of coating plug is provided with a fitting cylinder 7 which fits into a container port 6a in a valve seat plate 5 having a spout 4 opened at the center. The inner plug 1 is attached to the valve seat plate 5 of the inner plug 1 and a spout 8
A sponge-shaped application body 2 having an opening at the center and a closing valve 10 which abuts the valve seat plate 5 of the inner plug 1 from below to close the injection port 4, and penetrates through the injection port 4. The plug body 11 is provided with a plug rod 11 extending up to the inside of the spout 8 and a valve body 3 having an elastic piece 12 having a lower end fixed to the fitting cylinder 7 of the inner plug body 1.

The application plug is turned upside down from the state shown in the figure, and slides in a state where the application body 2 is lightly pressed against the object to be applied, thereby compressing the application body 2 and pressing the stopper rod 11. Is pushed back, the closure of the spout 4 of the inner plug 1 by the closing valve 10 is released, and the coating liquid in the container is allowed to freely fall from the gap between the spout 4 and the closing valve 10 to be impregnated into the coating body 2, The application liquid in the container is applied to the object to be applied.

[0004]

However, in the above-described conventional coating stopper, when the coating body 2 is slid while being lightly pressed against the object to be coated, the coating body 2 is compressed and the plug rod 11 is pressed.
At this time, the stopper rod 11 may be tilted in the spout 8 of the application body 2 and the gap between the spout 4 and the closing valve 10 may not be opened evenly. In some cases, it is difficult to return the inclined plug bar 11 from the pushed back state to the original state, and the spout 4 of the inner plug 1 may not be completely closed when not in use. Had.

Further, in the above-mentioned conventional coating stopper, the gap between the spout 4 and the closing valve 10 is continuous without being interrupted.
In this gap, the replacement between the coating liquid and the air cannot be carried out smoothly, and in particular, there is a problem that the liquid is very poorly discharged with the coating liquid having a viscosity, and the coating liquid in the container cannot be stably discharged. I was

Therefore, the present invention has been made to solve the above-mentioned conventional problems, and when the stopper rod 11 is pushed back, the stopper rod 11 does not tilt in the spout 8 of the application body 2. The outlet 4 and the closing valve 10
The spout 4 of the inner plug body 1 can be completely closed when not in use, and the coating liquid in the container can be stably discharged when not in use. The purpose of this is to provide.

[0007]

Therefore, an application plug according to the present invention comprises an inner plug body 1 having a valve seat plate 5 having a spout 4 opened and a fitting cylinder 7 fitted into a container port 6a; An elastically deformable coating body 2 attached to the valve seat plate 5 of the plug 1 and having an outlet 8 opened corresponding to the outlet 4;
A stopper rod 11 that comes into contact with the valve seat plate 5 of the inner plug body 1 from below and closes the spout 4 is inserted into the spout 8 of the application body 2 through the spout 4. While standing,
A valve body 3 having an elastic piece 12 having a lower end fixed to a fitting cylinder 7 of the inner plug body 1, and a plurality of vertical grooves 13 provided on a peripheral surface of a plug 11 of the valve body 3. And

The coating plug according to the present invention is provided with the valve body 3
The peripheral surface of the stopper rod 11 is made to be close to the inner surface of the spout 8 of the application body 2.

Further, the coating plug according to the present invention is characterized in that
Of the stopper rod 11 is rounded.

[0010]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of an application plug according to an embodiment of the present invention.

As shown in FIGS. 1 to 3, the coating plug of the present invention comprises an inner plug 1, a coating 2, and a valve 3.

The inner plug 1 is provided with a fitting tube 7 fitted in a container opening 6a of a container 6 containing a coating liquid, on a valve seat plate 5 having an outlet 4 opened at the center.

The application body 2 is made of a sponge or the like that is elastically deformable, is attached to the valve seat plate 5 of the inner plug body 1 by bonding or the like, and has a spout at the center corresponding to the spout 4. 8 is opened. In addition, the valve seat plate 5
A concealed wall 9 is provided around the periphery of the housing so that the mounting portion between the application body 2 and the valve seat plate 5 is not exposed.

The valve body 3 is in contact with the valve seat plate 5 of the inner plug body 1 from below to close the spout 4, and passes through the spout 4 to the spout 8 of the coating body 2. Stop rod 11 reaching inside
And an elastic piece 12 having a lower end fixed to the fitting cylinder 7 of the inner plug 1. In the illustrated embodiment, the elastic piece 12 is formed of synthetic resin integrally with the closing valve 10 of the valve body 3, but may be formed separately by a metal coil spring or the like.

A plurality of vertical grooves 13 are provided on the peripheral surface of the plug 11 of the valve body 3. In the embodiment, four vertical grooves 13 are provided at equal intervals, but two or more vertical grooves may be provided. Further, the groove shape of the vertical groove 13 is a round groove in the illustrated embodiment, but may be a square groove such as a triangle or a square.

Further, the peripheral surface of the plug 11 of the valve body 3
As shown in FIGS. 2 and 3, the inner surface of the spout 8 of the application body 2 is arranged to be close to the inner surface of the spout 8 of the application body 2 if necessary. .

The tip of the plug 11 of the valve body 3 is
The corners are rounded so that the object to be coated is not damaged during application.

The application plug of the present invention described above is turned upside down from the state shown in the drawing, and slides while the application body 2 is lightly pressed against the object to be applied, whereby the application body 2 is pressed and shrunk. The rod 11 is pushed back.
Does not tilt in the spout 8 of the coating body 2 because it hits the inner surface of the spout 8.

Moreover, in the coating stopper of the present invention, the spout 4
And the gap between the closing valve 10 and the closing valve 10 are interrupted by a plurality of vertical grooves 13 provided on the peripheral surface of the plug 11 of the valve body 3, and are divided into a portion through which the coating liquid passes and a portion through which air passes. ,
The replacement of the coating liquid with air can be performed smoothly.

[0020]

Since the application stopper of the present invention is constructed as described above, when the stopper rod 11 is pushed back,
Since the plug 11 does not tilt in the spout 8 of the application body 2 and the gap between the spout 4 and the closing valve 10 is interrupted, the spout 4 of the inner plug 1 is not used when not in use. It can be completely closed, and the coating liquid in the container can be stably discharged.

[Brief description of the drawings]

FIG. 1 is a partially cutaway perspective view showing a container mouth into which an application plug according to the present invention is fitted.

FIG. 2 is a cross-sectional view of a container mouth into which the coating plug of the present invention is fitted.

FIG. 3 is a plan view of a container mouth into which the coating plug of the present invention is fitted.

FIG. 4 is a partially cutaway perspective view showing a container mouth into which a conventional application plug is fitted.

FIG. 5 is a cross-sectional view of a container mouth into which a conventional application plug is fitted.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Inner plug body 2 Application body 3 Valve body 4 Injection port 5 Valve seat plate 6a Container mouth 7 Fitting cylinder 8 Injection port 10 Closure valve 11 Plug rod 12 Elastic piece 13 Vertical groove

Claims (3)

[Claims] 1. A valve seat plate (5) having an outlet (4) opened.
And an inner plug (1) provided with a fitting tube (7) fitted into the container opening (6a), and attached to a valve seat plate (5) of the inner plug (1) and the spout (4). ), An elastically deformable coating body (2) having an opening (8) opened, and a spout (4) contacting the valve seat plate (5) of the inner plug (1) from below. A stopper rod (11) that penetrates a spout (4) of the closing valve (10) and reaches the inside of a spout (8) of the application body (2) is erected, and the inner plug (10) is closed. 1)
And a valve body (3) having a resilient piece (12) having a lower end fixed to a fitting cylinder (7) of the valve body (7).
The coating plug according to 1), wherein a plurality of vertical grooves (13) are provided on the peripheral surface. 2. The valve plug according to claim 1, wherein the peripheral surface of the stopper rod of the valve body is close to the inner surface of the spout of the application body. Application stopper. 3. The application plug according to claim 1, wherein the tip of the plug (11) of the valve body (3) is rounded.