JP2536851Y2 - Liquid dispensing tap - Google Patents

Description

[Detailed description of the present invention] [Industrial application field] The present invention relates to a liquid metering device that can measure a fixed amount of a liquid such as a shampoo, a rinse, a liquid detergent, a bath detergent, a mouthwash and pour it into a predetermined place. About pouring tap.

[Conventional technology]

Conventionally, this kind of liquid dispensing tap is shown in FIG. 5 as disclosed in Japanese Utility Model Laid-Open No. 63-82755. That is, the liquid dispensing container is the first cylinder 10,
A first cylinder having a second cylinder 20 and an operating member 30;
Reference numeral 10 denotes a first body portion 14 which is suspended from the lower end of the first body portion 14 by locking the upper end portion 12 to the mouth-neck portion 3 of the container body 2 and suspending the first body portion 14 into the container body 2. A cylinder 16 is vertically provided, and a suction valve 18 is provided in the small liquid suction cylinder 16.

The second cylinder 20 is provided with a second body 22 which is detachably attached to the first cylinder 10. An insertion hole 24 is formed in the center of the bottom wall of the second body 22. , Second
An outward flange 26 is formed at the upper end of the body 22.

The operating member 30 is provided in the second cylinder 20 in a liquid-tight manner. From the lower end of the operating member 30, the operating member 30 is inserted through the insertion hole 24 in a liquid-tight manner, and the pouring nozzle 34 hangs down. The liquid suction hole is detachably mounted on the liquid suction small cylinder 16 of the first cylinder 10, and a liquid circulation hole 36 is formed in the upper part of the discharge nozzle 34.

 Next, the operation of the liquid dispensing tap will be described.

The second cylinder 20 is inserted into the container 2, that is, the first cylinder 10 in a state where the second cylinder 20 is pulled up with respect to the operation member 30, and is pushed down from this state. Then, the operating member 30 and the second body 22
The space between the container body 2 and the space inside the container body 2 becomes negative pressure, so that the liquid in the container body 2 passes through the suction valve 18 and the discharge nozzle 3
4. The liquid is sucked into the space through the liquid circulation hole 36, and the measurement is completed with the suction of the liquid. Next, the second cylinder 20
When the operating member 30 or the outward flange is
The second cylinder 20 is removed from the first cylinder 10 together with the operating member 30 by holding the operating member 26, and is moved to a predetermined place to
Is pushed into the second cylinder 20, the space is narrowed and pressurized, so that the liquid in the space is discharged through the liquid circulation hole 36 and the discharge nozzle 34.

[Problems to be solved by the invention]

However, when the second cylinder 20 is detached from the first cylinder 10 with the outward flange 26 of the second cylinder 20 after the measurement, the space capacity formed by the second cylinder 20 and the operating member 30 is urged in a decreasing direction. Would. When the space is urged in the direction of decreasing the space capacity, the liquid is dripped out of the pouring nozzle 34 and is moved to a predetermined place, for example, a cup in the case of a washing tub or a mouthwash. There was a problem that the floor and its surroundings were soiled, and that an accurate amount was not poured out.

In view of the above circumstances, the present invention considers the above circumstances,
It is an object of the present invention to provide a liquid metering / dispensing tap which does not cause liquid dripping during movement of a cylinder and has high measurement accuracy.

[Means for solving the problem]

In order to achieve the above-mentioned object, the present invention has a first body portion in which a liquid suction small cylinder having a suction valve is vertically provided from a bottom portion, and an upper end portion is provided on a mouth and neck portion of a container body. An insertion hole is formed in the central portion of the bottom wall of the lower end of the second body portion detachably mounted in the first cylinder locked in the first cylinder, and an outward flange is provided at the upper end of the second body portion. A second cylinder and a plunger portion provided in the second cylinder in a liquid-tight manner, and a lower end of the plunger portion is liquid-tightly inserted into the insertion hole from the lower end of the plunger portion to hang down a discharge nozzle. An operating member having a liquid flow hole formed therein, the second cylinder being configured to be vertically movable with respect to the operating member, being fitted in a liquid-tight manner with a discharge nozzle, and pushing down the second cylinder. Liquid storage space formed between the second cylinder and the operating member A liquid dispensing tap adapted to aspirate a liquid in a container body into the second cylinder by enlarging, wherein the outer diameter of an outward flange at an upper end of the second body is an outer diameter of the first cylinder. It is characterized by having a smaller diameter.

[Action]

In the present invention having the above-described structure, when the second cylinder is pushed down to finish the measurement, the outer edge of the outward flange of the second cylinder is located at or inside the outer diameter of the first cylinder, When removing the weighing portion, it is harder to grasp, and inevitably grasps the operating member. Therefore, the second cylinder is urged in a direction in which the capacity is reduced without applying a force to the second cylinder, so that the second cylinder can be taken out accurately without causing liquid dripping or insufficient measurement.

〔Example〕

Hereinafter, an embodiment of the present invention will be described with reference to FIGS. Parts that are the same as or correspond to the conventional configuration will be described using the same reference numerals as in FIG.

As shown in FIG. 1, a liquid dispenser 1 according to the present embodiment is attached to a container body 2 containing a liquid such as shampoo, rinse, liquid detergent, bath agent or mouthwash. 1 cylinder 10, 2nd cylinder 20, and operating member
The second cylinder 20 and the operating member 30 are integrated to form a pouring member.

The first cylinder 10 has a cylindrical shape, and a folded flange is formed at an upper end portion 12 thereof. The folded flange is screwed and engaged with the mouth and neck portion 3 of the container body 2 and the first body portion 14 is inserted into the container body 2. And a liquid suction small cylinder 16 is vertically suspended from the lower end of the first body part 14 via a bottom part 15 having a tapered surface. A suction valve 18 is provided in the liquid suction small cylinder 16, and a suction pipe 19 is connected to a lower portion thereof.

In addition, a vent hole 15a is formed in the bottom part 15 so that the liquid is filled into the container body 2 through the first cylinder 10 or when the second cylinder 20 moves up and down in the first cylinder 10, The air in the cylinder 10 is prevented from becoming high pressure or negative pressure. The second cylinder 20 is provided with a second body 22 which is detachably attached to the first cylinder 10.
An insertion hole 24 is formed in the center of the bottom wall 23, and an outward flange 26 is formed at the upper end of the second body 22. The outward flange 26 has a smaller diameter than the outer diameter of the upper end 12 of the first cylinder 10.

The operating member 30 has a plunger part 32 provided in the second cylinder 20 in a liquid-tight manner, a flange 17 formed in an upper part, and a liquid-tightly inserted through the insertion hole 24 from the lower end to drop the discharge nozzle 34. ing. The lower end of the pouring nozzle 34 is detachably fitted to the first cylinder 10, and a plurality of liquid circulation holes 36 are formed in the upper part of the pouring nozzle 34 in the circumferential direction.

Next, an operation procedure for pouring out the liquid in the container body 2 by a predetermined amount by the liquid constant-rate pouring plug 1 will be described.

First, during the weighing operation, the second cylinder 20 is pushed down against the first cylinder 10 and the operating member 30 from the state shown in FIG. Then, as shown in FIG. 1, the space between the discharge nozzle 34 and the second body 22 expands and the space 25 becomes negative pressure, so that the liquid in the container body 2 receives the suction valve 18, The liquid is sucked into the space 25 through the discharge nozzle 34 and the liquid circulation hole 36, and the measurement of the liquid is completed.

Next, in the pouring operation, the second cylinder 20 is removed from the first cylinder 10 together with the operating member 30 by holding the flange 17 of the operating member 30 and moved to a predetermined pouring position such as a cup or a washing tub. Is pressed into the second cylinder 20, the space 25 is narrowed and pressurized.
The liquid inside is discharged through the liquid circulation hole 36 and the discharge nozzle 34.

Then, the dispensed liquid dispensing tap 1 having been dispensed is attached to the first cylinder 10 with the operating member 30 for performing the measuring operation again.

Therefore, according to the liquid dispensing tap 1 of the present embodiment,
When the outward flange 26 is pushed down, the outer diameter of the outward flange 26 is arranged inside the outer diameter of the upper end portion 12 of the first cylinder 10, so that when the second cylinder 20 is pushed down and removed, the first Since the upper end 12 of the cylinder 10 and the outward flange 26 of the second cylinder are in close contact with each other and it is impossible to hook a finger or the like from below on the outward flange, the user always has the operating member 30, There is no danger of liquid dripping during movement due to reduced storage capacity, and no shortage of capacity during pouring.

The present invention is not limited to the above embodiment, and various changes can be made. For example, as shown in FIG. 3, the wall 4 may be raised along the outer diameter of the upper end portion 12 of the first cylinder 10, and the outward flange 26 may be accommodated inside the wall 4.
This makes it more difficult to grip the outward flange 26 when the second cylinder 20 is removed, so that the operating member 30 can always be gripped. Also, as shown in FIG.
The outer diameter of the outward flange 26 may be equal to or smaller than the outer diameter of the upper end portion 12 and may be formed in a tapered shape in which the upper portion is narrowed. Even in this case, it is difficult to grip the outward flange 26 at the time of pressing down, and the operating member 30 can be surely gripped.

[Effect of the invention]

As described above, according to the liquid dispensing tap of the present invention, the outer diameter of the outward flange of the second cylinder is formed so as to be equal to or inside the outer diameter of the first cylinder. When the second cylinder is depressed and removed, the first cylinder and the second cylinder outward flange come into close contact, and it becomes impossible to hook a finger or the like from below on the outward flange. Can be grasped. Thereby, the liquid storage space formed by the second cylinder and the operating member is not pressed at the time of removal, the liquid does not drop from the liquid metering-in spout during movement, and an accurate amount of liquid is discharged from the container. Can be poured out.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a state at the end of measurement in one embodiment of the liquid metering spout according to the present invention, FIG. 2 is a longitudinal sectional view showing a state at the start of measurement, FIG. 3 and FIG. The figure is a longitudinal sectional view showing another embodiment of the liquid dispensing tap, and FIG. 5 is a longitudinal sectional view showing a conventional example. 1 ... Liquid dispensing tap, 2 ... Container, 3 ... Mouth and neck,
4 ... wall, 10 ... first cylinder, 12 ... top end, 14 ...
1st body part, 15 ... Bottom part, 16 ... Liquid suction pipe, 17 ...
... Flange, 18 ... Suction valve, 20 ... Second cylinder, 22
... The second body, 24, the insertion hole, 26, the outward flange,
30 ... working member, 32 ... plunger part, 34 ... discharge nozzle, 36 ... liquid insertion hole.

Claims (1)

(57) [Scope of request for utility model registration] 1. A first cylinder having a first body portion provided with a small liquid suction cylinder having a suction valve from the bottom and having a top end engaged with a mouth and neck portion of a container body; A second cylinder having a through hole in the center of the bottom wall of the lower end of the second body portion detachably mounted in the cylinder, and a second cylinder provided with an outward flange at the upper end of the second body portion; and into the second cylinder. A plunger portion is provided in a liquid-tight manner, and a lower end of the plunger portion is inserted through the insertion hole in a liquid-tight manner to drop a discharge nozzle to the bottom of the first cylinder, and a liquid flow hole is formed in an upper portion of the discharge nozzle. The second cylinder is configured to be able to move up and down with respect to the operating member, and a liquid-tight fitting is performed on the discharging nozzle,
By pushing down the cylinder to expand the liquid accommodating space formed between the second cylinder and the operating member, a liquid metering pouring tap adapted to suck the liquid in the container into the second cylinder. A liquid metering and dispensing tap, wherein an outer diameter of an upward flange of an upper end of the second body is smaller than an outer diameter of the first cylinder.