JP2003160159A - Plug for measuring and applying liquid - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a plug for measuring and applying a liquid, which can be as conveniently handled as a conventional plug, and prevents the abrupt spouting of a coating liquid by reducing internal pressure at least in a measurement chamber at the application of the coating liquid, even if internal pressure in a vessel body is increased. <P>SOLUTION: This plug has a rod plug 3 which is closely fitted into a nozzle cylinder 11 provided at an upper end of the measurement chamber A. The plug is equipped with a cap 4 in which a pressing cylinder 23, fitted liquid-tightly into the nozzle cylinder 11 by pressing in the rod plug 3, is suspended from a top wall 24. A communication groove 19 is provided in an upper outer periphery of a part, capable of being fitted into the nozzle cylinder 11, of the rod plug 3; and an annular recess 26 is formed in a lower part of an outer periphery of the pressing cylinder 23, so that the inside of the measurement chamber A can primarily communicate with the outside thereof via the communication groove 19 and the annular recess 26 in the removal of the cap 4, and so that the internal pressure can be reduced before the application of the liquid. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a liquid metering coating stopper.

[0002]

2. Description of the Related Art As this type of coating stopper, the present applicant has already proposed a liquid measuring coating stopper which facilitates the measuring operation (Japanese Patent Application No. 2001-55165).

In this application plug, a mounting cylinder fitted to the outer circumference of the mouth and neck of the container is hung from the lower peripheral edge of the casing having the inside as a measuring chamber, and the bottom of the casing penetrates the bottom wall of the casing. The cylinder is hung vertically, and the main body of which the outside of the cylinder that protrudes into the measuring chamber is an annular weighing pan, and the piston fitted in the cylinder protrudes from the outer circumference and is provided in an upwardly biased state, A rod stopper provided on the top wall of the casing so as to be fitted in a liquid-tight manner by protruding the upper end and capable of communicating by pushing the protruding portion, and the rod stopper is pushed into the nozzle cylinder. A tightly fitted pressing projection is provided vertically from the back surface of the top wall, and a detachably mounted cap is provided, and when the cap is mounted, the inside of the container and the measuring chamber are separated from each other via a communication hole formed at a predetermined position of the cylinder. Communication, when removing cap Are those with measuring chamber and the container body is formed by arranging the piston and communicating holes as is blocked.

The application plug can be weighed by simply inverting the container body with the cap fitted, and then returning it to the upright position, and by simply removing the cap from the weighing state, the measuring liquid is separated from the liquid in the container and weighed. It is excellent in that only the liquid can be applied, and when the cap is removed, even if the container body falls down, the measured liquid will not leak unless the upper surface of the rod stopper protruding upward from the upper surface of the nozzle cylinder is pushed down. It is effective.

[0005]

The liquid contained in a container using this type of coating stopper is, for example, volatile, and is shaken in the mounted container, or at the body temperature of the hand holding the container. Those with increasing pressure are often used.

In the case of such a stored liquid, if the liquid is applied in a state where the internal pressure is increased, there is a case in which the liquid bursts out in the first communication state when the rod stopper is pushed in. Further, a metal coil spring is often used as a means for urging the rod plug upward, but there is a risk that liquid may contact the coil spring and cause rust.

The present invention has been made in view of the above points, and even if the internal pressure increases due to various circumstances,
At the time of application, at least the internal pressure in the measuring chamber is reduced so that the application liquid does not spill out, and the contact between the coil spring and the liquid is eliminated to reduce the room for rusting.
It is an object of the present invention to propose a convenient liquid metering coating stopper, such as a conventional product.

[0008]

In order to solve the above-mentioned problems, the liquid measuring and applying stopper according to the first aspect of the present invention has a mouth 5 and a neck 7 of a container body 6 from a lower peripheral portion of a casing 5 having an inside as a measuring chamber A.
The mounting cylinder 8 fitted to the outer periphery is vertically installed, the bottomed cylinder 9 is vertically installed through the casing bottom wall 5a, and the outside of the cylinder 9 protruding into the measuring chamber A is annularly measured. The main body 2 serving as the dish portion B and the piston 17 fitted in the cylinder 9 are provided from the outer circumference so as to be biased upward, and the upper end is projected to the nozzle cylinder 11 provided on the top wall 5c of the casing 5. The top wall 24 of the rod plug 3 provided so as to be liquid-tightly fitted to each other and capable of communicating by pushing the protruding portion, and the pressing pipe 23 which is pushed into the nozzle pipe 11 and tightly fitted to the nozzle pipe 11. Cap 4 which is attached from the back and is detachably attached
When the cap is attached, the inside of the container body 6 and the inside of the measuring chamber A communicate with each other through a communication hole 15 formed at a predetermined position of the cylinder 9, and when the cap 4 is removed, the inside of the container body 6 and the measuring chamber A are connected. In a liquid metering coating plug having a piston 17 and a communication hole 15 arranged so as to be disconnected from the inside, a nozzle cylinder of the rod plug 3
11 In addition to providing a communication groove 19 on the outer periphery of the upper part of the matable part,
An annular recess 26 is formed in the lower part of the outer periphery of the pressing cylinder 23 so that the inside of the measuring chamber A and the outside are temporarily communicated with each other via the communication groove 19 and the annular recess 26 when the cap is removed. It was constructed as a characteristic liquid metering coating stopper.

Further, the liquid metering coating stopper according to a second aspect of the invention is
The rod stopper 3 is urged upward by a coil spring 20 interposed between the cylinder inside the auxiliary piston and the rod stopper, and the auxiliary piston 27 is projected at a predetermined position below the piston 17 on the outer periphery of the rod stopper 3. , When removing cap 4, communication hole 15
Is located between the piston 17 and the auxiliary piston 27, and the container body 6
The liquid metering coating stopper according to claim 1, wherein the piston 17, the auxiliary piston 27, and the communication hole 15 are arranged so that the inside and the inside of the measuring chamber A are cut off.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

As shown in the drawings, the liquid metering coating stopper 1 of the present invention comprises a main body 2, a rod stopper 3 and a cap 4.

In the main body 2, a mounting cylinder 8 fitted to the outer circumference of the mouth / neck portion 7 of the container body 6 is hung from the lower peripheral portion of the casing 5 having the measuring chamber A inside, and the casing bottom wall 5a is penetrated. Then, the bottomed cylinder 9 is vertically installed, and the outside of the cylinder 9 protruding into the weighing chamber A is configured as an annular weighing pan portion B. In the illustrated example, the main body 2 is composed of a mounting cylinder 8 and a first member 2a forming a part of the casing 5, and a second member 2b forming a casing bottom wall 5a and a cylinder 9.

In the first member 2a, a cylindrical peripheral wall 5b is erected from the upper end of a cylindrical mounting cylinder 8 screwed onto the outer periphery of the mouth / neck portion 7, and the center of the top wall 5c extending from the upper edge of the peripheral wall 5b. The coating port 10 is opened on the. The coating port 10 is a nozzle cylinder 11 in the shape of a short cylinder.
The inside of the nozzle cylinder 11 has a tapered lower end.
12 is provided to expand the diameter. Further, a fitting recess 13 for fitting and fixing the second member is provided around the lower end of the peripheral wall 5b.

The second member 2b is mounted by tightly fitting the outer peripheral edge of the bottom wall 5a to the lower end portion of the inner periphery of the peripheral wall 5b. In the illustrated example, the flange-shaped bottom wall 5a is extended inward from the lower end edge of the fitting cylinder 14 that is fitted in the fitting recess 13 in a liquid-tight manner, and the upper end of the cylinder 9 is penetrated through the center. Standing up. The cylinder 9 has an upper portion having a large diameter portion 9a and a lower portion having a small diameter portion 9b. The cylinder 9 has a communication hole 15 at a lower end portion of the large diameter portion 9a below the casing bottom wall 5a.
Has been drilled. In addition, the guide shaft 16 moves upward from the center of the bottom wall 5a.
Is erected. Then, the inside of the casing 5 formed by the first member 2a and the second member 2b is formed in the weighing chamber A, and the outside of the cylinder 9 protruding into the weighing chamber A is configured as an annular weighing dish portion B. There is.

The rod plug 3 is provided with a piston 17 fitted in the cylinder 9 so as to project from the outer periphery so as to be urged upward, and a liquid whose upper end projects to the nozzle cylinder 11 provided on the casing top wall 5c. It is provided so that it can be fitted tightly and that the protrusions can be pushed in to communicate with each other. In the illustrated example, the outer circumference of the upper end portion of the rod stopper 3 is reduced through a tapered portion 18 that is in close contact with the tapered portion 12, and the reduced upper end portion is slid onto the inner surface of the nozzle cylinder 11 in the illustrated example. A close fit is movably fitted, and a communication groove is formed on the upper outer periphery of the upper end of the lower end to the intermediate portion in the vertical direction of the inner surface of the nozzle cylinder 11 with the cap removed.
19 are provided.

Therefore, as shown in FIG. 5, when the cap 4 is removed and the upper end of the rod plug 3 projects from the nozzle cylinder 11, the rod plug 3
The application port 10 is sealed by a tight fit below the portion where the communication groove 19 is formed on the upper end portion. On the other hand, when the portion protruding from the nozzle cylinder 11 at the upper end of the rod stopper 3 is pushed to the upper level of the nozzle cylinder 11, the communication groove 10 is formed. The inside of the measuring chamber A and the outside are communicated with each other via 19.

The upward biasing force of the rod stopper 3 is provided by the coil spring 20 interposed between the rod stopper 3 and the cylinder 9. The coil spring 20 includes a downward step portion 21 formed on the inner circumference of the cylindrical wall of the rod plug 3 and the guide shaft 16 described above.
The rod plug 3 is always urged upward by being interposed between the upper surface of the locking projection 22 and a plurality of upper surfaces of the locking projection 22 which are provided in the lower part of the outer circumference in the circumferential direction.

The cap 4 is detachably attached by pressing the rod plug 3 and tightly fitting the pressure cylinder 23 into the nozzle cylinder 11 from the back surface of the top wall 24. In the illustrated example, a lower end opening is formed by extending a top wall 24 from an upper end edge of a peripheral wall 25 that is screwed and locked to the outer periphery of the mounting cylinder 8, and a pressing cylinder is formed at the center of the back surface of the top wall 24. It is constructed by vertically arranging 23.

Further, in the present invention, an annular recess 26 is formed in the lower outer peripheral portion of the pressing cylinder 23, and when the cap 4 is removed, the measuring chamber A and the outside are temporarily connected via the communication groove 19 and the annular recess 26. It is configured to communicate with. Therefore, the application port 10 is closed when the cap 4 is attached, and the upper end of the annular recess 26 protrudes above the upper end of the nozzle cylinder 11 during the removal of the cap 4 from the lower end of the communication groove 19. The inside of the measuring chamber A communicates with the outside until the upper part of the nozzle cylinder 11 is reached. At this time, if the internal pressure in the measuring chamber A is high, the internal pressure is released.

Further, in the illustrated example, the auxiliary piston 27 is provided at a predetermined position below the piston 17 on the outer periphery of the rod plug 3, and the communication hole 15 is located between the piston 17 and the auxiliary piston 27 when the cap 4 is removed. A piston 17, an auxiliary piston 27, and a communication hole 15 are provided so that the inside of the container body 6 and the inside of the measuring chamber A are shut off from each other.

The case of using the liquid metering coating stopper 1 configured as described above will be described. First, in the state of FIG. 1 with the cap 4 attached, the communication hole 15 is open and the container body 6
The inside communicates with the inside of the measuring chamber A, and the coating port 10 is closed by a pressing cylinder 23.

When the container 1 is inverted from the state shown in FIG. 1, the liquid in the container body 6 is introduced into the measuring chamber A through the communication hole 15 as shown in FIG. Next, when the container is erected from this state, as shown in FIG. 3, the liquid is weighed in the weighing dish B and the rest is returned to the container body 6 through the communication hole 15.

Next, when the cap 4 is removed, as shown in FIG. 4, internal pressure is released through the annular recess 26 and the communication groove 19 in the middle thereof, and as shown in FIG.
15 Ascends to a predetermined position above and shuts off the inside of the measuring chamber A from the inside of the container body 6, and the coating port 10 is closed by the upper end portion of the rod stopper 3.

Next, as shown in FIG. 6, the container body 6 is inverted and the rod stopper 3 is pressed against the portion to be coated 28 to apply the measuring liquid. The liquid measured by the pushing of the rod stopper 3 through the communication groove 19 is applied from the application port 10. At this time, the piston 17 is located above the communication hole 15 and only the measured liquid is applied. After use, the cap 4 is attached again to prepare for the next metering application. Since the auxiliary piston 27 always moves up and down below the communication hole 15, contact between the coil spring 20 and the liquid is prevented.

[0025]

As described above, the liquid metering coating stopper of the present invention has the above-mentioned configuration, and therefore, even if the internal pressure in the mounted container body is increased due to various reasons, at least the measuring chamber A is coated at the time of coating. The internal pressure in the inside is not reduced and the coating liquid does not run out.

In addition, after the container body is inverted with the cap fitted, the container can be weighed by returning it to the upright state, and by removing the cap from the measured state, the measuring liquid is separated from the liquid inside the container, and only the measuring liquid is collected. It is possible to completely coat the application, and when the cap is removed, even if the container body falls down, the measured liquid does not leak unless the upper surface of the rod stopper protruding upward from the upper surface of the nozzle cylinder is pushed down. The same effect is exhibited.

Further, the liquid metering coating plug of the second aspect of the present invention has the advantage that the contact between the coil spring and the liquid is eliminated and the room for rusting is reduced.

[Brief description of drawings]

FIG. 1 is a vertical sectional view showing an embodiment of the present invention.

FIG. 2 is a vertical cross-sectional view showing an inverted state at the time of weighing in the embodiment.

FIG. 3 is a vertical sectional view showing a re-erected state at the time of weighing in the embodiment.

FIG. 4 is a vertical cross-sectional view showing a state in which a cap is detached at the time of weighing in the embodiment.

FIG. 5 is a vertical cross-sectional view of the same embodiment with a cap removed during weighing.

FIG. 6 is a vertical cross-sectional view showing a state in which the measuring liquid of the embodiment is applied.

[Explanation of symbols]

2 ... Main body, 3 ... Rod stopper, 4 ... Cap, 5 ... Casing,
5a ... Casing bottom wall, 5c ... Casing top wall, 6 ... Container body, 7 ... Mouth neck, 8 ... Mounting cylinder, 9 ... Cylinder, 11 ... Nozzle cylinder, 15 ... Communication hole, 17 ... Piston, 19 ... Communication groove , 20 ... Coil spring, 23 ... Press cylinder, 24 ... Cap top wall, 26 ...
Annular recess, 27 ... auxiliary piston, B ... weighing pan, A ... weighing chamber,

   ─────────────────────────────────────────────────── ─── Continued front page    F-term (reference) 3E084 AA04 AA12 AB01 BA03 CA01                       CB02 DA01 DB12 FA09 FB01                       GA04 GB04 JA07 KB01 LA17                       LB02 LC01 LD06 LD17 LE07                       LG06

Claims (2)

[Claims] 1. A mounting cylinder 8 fitted to the outer circumference of a mouth / neck portion 7 of a container 6 is hung from a lower peripheral portion of a casing 5 having an inside as a measuring chamber A, and penetrates a casing bottom wall 5a. A main body 2 in which a bottomed cylinder 9 is vertically installed, and the outside of the cylinder 9 protruding into the weighing chamber A is an annular weighing pan portion B;
A piston 17 fitted in the cylinder 9 is provided so as to project from the outer periphery so as to be biased upward and the top wall of the casing 5
The rod cylinder 3 provided at 5c can be fitted in a liquid-tight manner by protruding the upper end thereof, and can be communicated by pushing the protruding portion, and the nozzle cylinder 11 can be pushed by pushing the rod plug 3. A pressing cylinder 23 tightly fitted to the top wall 24 is hung vertically from the rear surface of the top wall 24, and a cap 4 detachably mounted is provided. When the cap is mounted, a container is inserted through a communication hole 15 drilled at a predetermined position of the cylinder 9. A liquid metering coating stopper having a piston 17 and a communication hole 15 so that the inside of the body 6 communicates with the inside of the measuring chamber A, and the inside of the container body 6 and the inside of the measuring chamber A are disconnected when the cap 4 is removed. In addition, a communication groove 19 is provided on the outer periphery of the upper portion of the nozzle cylinder 11 that can be fitted to the rod plug 3, and an annular recess 26 is formed on the lower outer periphery of the pressing cylinder 23 so that the communication groove can be removed when the cap is removed.
A liquid measuring and applying plug, characterized in that the inside of the measuring chamber A and the outside are temporarily communicated with each other via 19 and an annular recess 26. 2. A coil spring 20 in which the upward urging force of the rod stopper 3 is interposed between the cylinder inside the auxiliary piston and the rod stopper.
In addition, the auxiliary piston 27 is projected at a predetermined position below the piston 17 on the outer circumference of the rod plug 3, and when the cap 4 is removed, the communication hole 15 is located between the piston 17 and the auxiliary piston 27, and the inside of the container body 6 and the measuring chamber. 2. The liquid metering application plug according to claim 1, wherein the piston 17, the auxiliary piston 27, and the communication hole 15 are arranged so that the inside of A is blocked.