JP2002370763A - Jetting pump device, and jetting apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a content from splashing on use by a simple constitution, and eliminate such a problem that the clothes of a user are stained or so by a jetting pump device or a jetting apparatus equipped with the jetting pump device. SOLUTION: This jetting pump device P for the jetting apparatus is attached to the mouth section 10a of a container 10. Then, at the time of usage, an operation button 26 is depressed, and the content of the container is jetted from a beak-form spout tube 26b which is provided on the operation button. In such a jetting pump device P for the jetting apparatus, a notch 26f is formed at the lower section of the extremity of the jetting tube, and the direction of the content which is jetted from the jetting tube is restricted, and thus, the content is prevented from splashing.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cosmetic, disinfecting, cleaning, medicinal, and coating method in which the contents of a container are ejected from a beak-shaped ejection pipe provided in the operation buttons by pushing an operation button at the time of use. For ejectors such as In addition, the present invention relates to an ejection pump device that attaches to the mouth of a container and ejects the contents of the container in such an ejector.

[0002]

2. Description of the Related Art Conventionally, in a spouting device for cosmetics or the like, for example,
A spout pump device is attached to the mouth of the container, and when used, the operation button is pushed down to push down the stem, the spout pump device is activated to pump up the contents of the container, and a beak-shaped spout provided on the operation button through the operation button It was gushing out of the tube.

[0003] By the way, in such an ejector, the contents remain around the orifice at the tip of the orifice tube when used, and it solidifies with the passage of time to narrow the orifice. There has been a problem that it spouts out in unexpected directions and vigorously to cause troubles such as, for example, soiling the clothes of the user.

[0004] In order to solve such a problem, some conventional jetting devices have a structure in which a lower nozzle forming body and an upper nozzle forming body are joined together as described in Japanese Utility Model Laid-Open No. 77757. In some cases, a downwardly arranged nozzle is formed, and the lower nozzle forming body is provided with a tongue-shaped flexible valve that closes the nozzle by a self-closing force and opens the nozzle by the ejection pressure of the contents.

[0005]

However, in such an ejector, for example, the operation button must be provided with a lower nozzle forming body, an upper nozzle forming body and a tongue-shaped flexible valve, so that the number of parts is large. As a result, the structure becomes complicated, the manufacturing and assembling are troublesome, and the cost is increased.

SUMMARY OF THE INVENTION An object of the present invention is to provide a jet pump device or a jet device provided with the same with a simple structure, which prevents the contents from scattering at the time of use and eliminates problems such as soiling of user's clothes. Is to do.

[0007]

In order to achieve the above object, according to the first aspect of the present invention, there is provided an image processing apparatus, comprising:
In operation, the operation button is pushed in to eject the contents of the container from the beak-shaped ejection pipe provided in the operation button. Features.

According to a second aspect of the present invention, in the ejection pump device according to the first aspect, the direction of the content ejected from the ejection pipe is regulated at an upper end of the ejection pipe. .

According to a third aspect of the present invention, there is provided an ejector comprising the ejection pump device according to the first or second aspect.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a longitudinal section of a main part of a shampoo ejector according to the present invention.

Reference numeral 10 in the figure denotes a container. Container 10
Is made of a plastic material in the shape of a bottle, and a male screw is provided on the outer periphery of the mouth portion 10a.

An ejection pump device P is attached to the mouth 10a of the container 10. The ejection pump device P is provided with a screw cap 11. The screw cap 11 has a female screw on the inner periphery and a center hole 11b in the center of the top 11a. Then, the top 11a is put on the flange 12a of the cylinder 12, and is screwed over the mouth 10a of the container 10.

The cylinder 12 has three stepped portions 12b
-12c and 12d are provided to gradually reduce the diameter downward in the figure.

The upper portion of the cylinder 12 has a first step 1
The flange 12a is provided on the outer periphery of 2b, and an air suction hole 12e penetrating in the radial direction is formed immediately above the second step 12c, and the upper end 12f protrudes upward through the center hole 11b of the screw cap 11.

On the other hand, a lower portion of the cylinder 12 is provided with a suction port 12g and a pipe mounting port 12h continuously inside the position of the third step portion 12d. Then, the upper end of the suction pipe 13 is press-fitted into the pipe mounting port 12h, and the inside of the suction pipe 13 and the suction port 12 are inserted.
g. On the contrary, immediately above the suction port 12g, a valve seat 12i having a gradually decreasing diameter is provided continuously.

A ball-shaped check valve 19 is placed in such a cylinder 12, placed on the valve seat 12i, and then a coil spring 20 is inserted and placed on the third step 12d. Thereafter, the stem 21 to which the piston valve 22 is attached is inserted.

The stem 21 is tubular and has a pipe 21a inside.
2A, a horizontal hole 21b is provided in the radial direction in communication with the conduit 21a, and a circumferential groove 21c is formed on the outer periphery at the position of the horizontal hole 21b.

On the other hand, the piston valve 22 has a cylindrical shape and is provided with an annular convex portion 22a protruding inward from an inner surface at an intermediate portion. The annular convex portion 22a is fitted in the circumferential groove 21c, and the outer peripheral surface of the piston valve 22 is pressed against the inner peripheral surface of the cylinder 12.

By the way, at the upper end of the cylinder 12, FIG.
The fitting member 25 is provided as shown in FIG. The fitting member 2
Reference numeral 5 designates an outer cylindrical portion 25a and an inner cylindrical portion 25b which are formed concentrically and integrally, and a female screw is provided on the upper inner periphery of the inner cylindrical portion 25b. Then, the inner cylindrical portion 25b is inserted into the cylinder 12, the lower end of the inner cylindrical portion 25b is abutted against the upper end of the piston valve 22, the coil spring 20 is slightly compressed via the stem 21, and the outer cylindrical portion 25a is compressed.
Over the upper end portion 12f of the cylinder 12.

As a result, the stem 21 is pushed up by the urging force of the coil spring 20, and as shown in FIG. 2A, the lower step 21d of the circumferential groove 21c is pressed against the lower surface of the annular convex portion 22a to cause the conduit 21a to move. And the communication between the cylinder chamber 28 is cut off.

Now, as shown in FIG. 1, the stem 21
It protrudes outside through the inside of the inner cylinder part 25b of the fitting member 25. An operation button 26 is attached to the upper end of the stem 21. The operation button 26 is a cap-shaped main body 26a.
A jet pipe 26b is provided in a beak shape on the outer periphery of the main body 26a, and a tubular section 26c is provided downward at the center of the inside of the main body section 26a, and the tubular section 26c and the jet pipe 26b are connected by a horizontally long tubular section 26d.
An ejection passage 26e extending from the lower end of the cylindrical portion 26c to the tip of the ejection pipe 26b is formed inside.

Then, the upper end of the stem 21 is press-fitted into the cylindrical portion 26c to communicate the jet passage 26e with the pipe 21a.

In the present invention, as shown in FIGS. 2 (B) and 2 (C), a notch 26f having a length L and a depth M is formed at a lower portion of the tip of the ejection pipe 26b. Only the top 26g is left. Then, an injection port 26h is formed at the tip of the ejection pipe 26b. Further, the tip of the ejection pipe 26b is curved gently downward.

In the illustrated example, the length L is equal to the ejection pipe 26b.
The length is about 1/3 of the length, and the depth is about the radius of the ejection pipe 26b.

When using this ejector, the operation button 26 is pushed in the direction of arrow A in FIG. 1 against the coil spring 20 and the stem 21 is pushed down into the cylinder 12.
Then, the stem 21 moves at the same position as the piston valve 22 due to frictional resistance with the inner surface of the cylinder 12, and the upper step 21e of the circumferential groove 21c contacts the upper surface of the annular convex portion 22a of the piston valve 22.

When the stem 21 is pushed in,
The piston valve 22 is deformed to open a lateral hole 21c to communicate the cylinder chamber 28 with the pipe 21a.
The pressure inside the cylinder chamber 28 is increased, the shampoo liquid in the cylinder chamber 28 is sent out to the conduit 21a through the horizontal hole 21b, and is further ejected to the outside from the ejection port 26h at the tip of the ejection pipe 26b through the ejection passage 26b.

Then, at the final stage of the depression shown in FIG. 3, when the user releases the operation button 26 to release the pushing, the coil spring 20 pushes up the stem 21 in the direction of arrow B in the figure. Then, due to frictional resistance with the inner surface of the cylinder 12, the piston
Moves to close the conduit 21a with the inner surface of the annular convex portion 22a, thereby cutting off the communication between the conduit 21a and the cylinder chamber 28. A circumferential groove 2 is formed on the lower surface of the annular convex portion 22a of the piston valve 22.
The lower part 21d of 1c contacts.

Then, when the piston valve 22 is slid together with the stem 21 to return to the state shown in FIG. 1, the inside of the cylinder chamber 28 is made negative pressure, the check valve 19 is opened, and the shampoo liquid in the container 10 is sucked. The liquid is sucked into the cylinder chamber 28 from the port 12g.

In order to reduce the size of the ejection device during transportation, the operation button 26 is opposed to the coil spring 20.
1 is pushed down in the direction of arrow A in FIG. 1 to completely insert the stem 21 into the cylinder 12, and then the operation button 26 is rotated to screw the male screw on the outer periphery of the cylindrical portion 26c to the female screw in the inner cylindrical portion 25b. The movement of the stem 21 is locked as shown in FIG.

According to the present invention, the ejection pipe 26
Since the notch 26f is formed at the lower end of the tip b, the content remaining around the injection port 26h of the ejection pipe 26b after use is solidified over time to narrow the injection port 26h, and the ejection direction of the content at the next use is changed. Even if it is changed, the tip of upper part 26g of the gently curved squirt tube 26b regulates the direction of the squirting contents to prevent the splattering of the contents, and has a simple configuration.
Problems such as soiling of the user's clothes can be solved.

[0031]

As described above, according to the present invention, the spout is attached to the mouth of the container, and the operation button is pushed in during use to spout the contents of the container from the beak-shaped spout tube provided in the operation button. Since the notch is formed in the lower part of the tip of the jet pipe in the jet pump device of the vessel, the content remaining around the jet port of the jet pipe after use solidifies with the passage of time and narrows the jet port, and the content will be reduced at the next use. Even if the spouting direction of the spout is changed, the direction of the spouting contents is regulated at the upper end of the spouting tube to prevent the spattering of the contents.
Problems such as soiling of the user's clothes can be solved.

According to the third aspect of the present invention, since the ejection pump device according to the first or second aspect is provided, it is possible to provide an ejector provided with the ejection pump device having the above-described effect.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a main part of a shampoo ejector according to the present invention.

2 (A) is a partially enlarged view of FIG. 2 (B), and FIG.
FIG. 3C is a cross-sectional view taken along the line a, and FIG.

FIG. 3 is a vertical cross-sectional view of the ejector of FIG. 1 in a state where an operation button is pressed.

FIG. 4 is a longitudinal sectional view of the ejector in a retracted state.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Container 10a Container mouth 26 Operation button 26b Spout tube 26f Notch 26g Upper end of spout tube 26h Spout P Spout pump device

Claims (3)

[Claims] 1. An ejection pump device for an ejector, wherein the ejection tube is attached to a mouth of a container and presses an operation button during use to eject the contents of the container from a beak-shaped ejection tube provided on the operation button. A jet pump device with a notch formed at the lower end of the tip. 2. The ejection pump device according to claim 1, wherein the direction of contents ejected from the ejection tube is regulated at an upper end of the ejection tube. 3. An ejection device comprising the ejection pump device according to claim 1 or 2.