JPH0614082U - Liquid extrusion container - Google Patents

Abstract

(57) [Summary] [Objective] To provide a liquid extruding container having a small number of parts, a simple structure, a low manufacturing cost, and a few failures. [Structure] An expandable bellows-shaped bellows 21 having a ventilation small hole 21a formed on an upper wall of an upper wall 20a of a container body 20.
And the mouth portion 22 are projected, and the liquid outlet pipe 25 is hermetically inserted into the cap 23 detachably attached to the mouth portion 22 so that the lower end portion of the liquid outlet pipe 25 communicates with the lower end portion inside the container body 20. It was By pressing the bellows 21 downward by hand and compressing it and by closing the ventilation small holes 21a with fingers, the upper part of the container body 20 is made to have a high pressure, and the liquid in the container body 20 is discharged from the pipe 25. After being extruded to the outside by the above, the operation of releasing the pressure of the bellows 21 and opening the ventilation small holes 21a is repeated, and the liquid of the container body 20 is intermittently pushed out, and the bellows 21 alone has a pump function.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a liquid extruding container for distributing a liquid in a container body and supplying the liquid in predetermined amounts.

[0002]

[Prior art]

 Conventionally, a cap is detachably attached to the mouth formed on the upper part of the container body such as a bottle, and the fixed amount supply pump mounted on this cap is manually operated to intermittently push out the liquid in the container body to the outside. It is being distributed. An example of a conventional liquid extrusion pump will be described with reference to FIG. This pump 10 is provided with a cap 12 that is screw-fitted into the mouth 11a of the container body 11, and a pipe-shaped shaft 14 is connected below the nozzle head 13 arranged on this cap 12, and this shaft 14 is axially arranged. The cap 12 is slidably inserted into and supported by the cap 12, and the piston 15 is connected to the lower end of the shaft 14.

The cap 12 has a circular tube 16 concentric with the shaft 14 and the piston 15 and extends downward. The inner peripheral surface of the circular tube 16 supports the piston 15, and the piston 15 is inserted into the circular tube 16. A ball valve 18 is urged upward by a spring 17 provided in the lower portion, and a ball valve 18 is supported at the lower end of the circular pipe 16 so as to be openable and closable. Further, the upper end of a liquid pipe 19 extending below the circular pipe 16 is communicated with the shaft 14 via the ball valve 18, and the shaft 14 is communicated with a liquid discharge passage 13a formed in the nozzle head 13. The lower end of the tube 19 is opened at the lower end inside the container body 11.

The use of the conventional pump 10 configured as described above will be described. While the cap 12 is tightened to the mouth 11a of the container body 11, and the liquid in the container body 11 is accumulated in the lower portion of the circular pipe 16 between the piston 15 and the ball valve 18, the nozzle head 13 is moved to the position shown in FIG. When pushed down from the position indicated by the chain line to the position indicated by the solid line, the shaft 14 and the piston 15 also compress the spring 17 and descend, causing pressure to be exerted on the liquid accumulated in the lower portion of the circular pipe 16 and the ball valve 18 It is pressed against the lower end of 16 and closed. Then, the liquid in the lower portion of the circular pipe 16 flows out of the tip of the shaft 14 through the liquid outlet passage 13a of the nozzle head 13.

Next, when the pushing down of the nozzle head 13 is released, the spring 17 extends and pushes up the piston 15, the shaft 14 and the nozzle head 13 to return. Therefore, the lower portion of the circular pipe 16 is decompressed to near vacuum, the ball valve 18 is opened, and the liquid in the container body 11 enters the lower portion of the circular pipe 16 from the liquid pipe 19 to fill the lower portion. Next, when the operation of releasing the nozzle head 13 again is repeatedly performed after the nozzle head 13 is pushed down again, the liquid in the container body 11 is intermittently extruded by a predetermined amount to the outside.

[0006]

[Problems to be solved by the device]

 The liquid extruding pump as described above has a large number of constituent parts, has a complicated structure, requires precise parts, is difficult to manufacture, and if there is an error in the size of the parts, the liquid extruding pump cannot be extruded. There is a problem that it disappears and moreover, it is easy to cause a failure. The present invention is intended to solve the above-mentioned problems and to provide a liquid extruding container having a small number of parts, a simple structure, a low structure cost, and a long life with few failures.

[0007]

[Means for Solving the Problems]

 The liquid extruding container of the present invention has a bellows-like bellows, which can be expanded and contracted by elastic deformation, and a mouth part projecting outside the upper end part of the container body, and the bellows has a base end communicating with the inside of the container body. A ventilation small hole is formed on the tip surface, a cap is detachably attached to the mouth part, and the liquid discharge pipe that is hermetically inserted into this cap has a lower end part that communicates with the lower end part inside the container body, Is projected outside the cap.

[0008]

[Action]

 In the liquid extruding container according to the present invention, the bellows-shaped bellows are axially pressed and compressed by the user's hand, and at the same time, the fingers of the bellows block the vent holes of the bellows. The air in the upper part of the body is made to have a high pressure, the liquid in this body is pushed out to the outside through the tip opening through the inside of the liquid discharge pipe, and then the pressing of the bellows by hand and the blockage of the vent hole by the finger are released, The pressure in the container body is set to atmospheric pressure, and the bellows is stretched by its own elasticity. Then, by repeating the above-mentioned operation, the liquid in the main body is intermittently extruded by a predetermined amount to the outside.

In the liquid extruding container of the present invention, the container body may be provided with a bellows-like bellows which has a function as a pump and which can be expanded and contracted by elastic deformation. Since it does not require a ball valve, etc., it has a small number of parts, a simple structure, low manufacturing cost, few failures, and can be used for a long period of time.

[0010]

【Example】

 An embodiment of the present invention will be described below with reference to FIGS. 1 and 2, reference numeral 20 denotes a container body made of a blow molded product of soft plastic such as polyethylene, and the container body 20 is formed in a cylindrical shape having an upper wall 20a and a lower wall 20b. The bellows-shaped bellows 21 and the mouth portion 22 are integrally formed on the upper wall 20a of the container body 20, and the centers of these are arranged on the same diameter of the upper wall 20a. It is easy to blow mold 21 and mouth 22 integrally.

The bellows-shaped bellows 21 is configured to be capable of expanding and contracting in the vertical direction, the lower end thereof communicates with the inside of the container body 20, and a small-diameter vent hole 21a is provided at the center of the upper wall 21b. The bellows-shaped bellows 21 has a substantially cylindrical shape in which the large-diameter portion and the small-diameter portion are alternately formed in the vertical direction, so that the bellows-shaped bellows 21 can be easily compressed by being pushed down.

Further, the mouth portion 22 is formed in a cylindrical shape with a screw portion 22a on which the cap 23 is removably screwed and is provided on the outer peripheral surface. The cap 23 has a hole 23b formed at the center of the upper wall 23a, a disk-shaped gasket 24 made of an elastic material is brought into contact with the back surface of the upper wall 23a, and the cap 23 is provided at the center of the gasket 24. A hole 24a having the same diameter as the hole 23b is formed.

A liquid outlet pipe 25 made of a soft plastic is fitted into the holes 23b and 24a of the cap 23 and the gasket 24, and the liquid outlet pipe 25 has an outer diameter somewhat larger than the diameter of the holes 23b and 24a. The liquid and air in the container body 20 are prevented from leaking to the outside from the mouth portion 22 and the holes 23b and 24a while the cap 23 is fastened to the mouth portion 22. The liquid discharge pipe 25 has a lower end opened at the lower end inside the container body 20, and is bent obliquely downward from the upper end protruding above the cap 23 toward the outer peripheral side of the container main body 20, and the tip opening of the container main body 20. It is slightly projected from the outer circumference.

The use of the liquid extruding container of the embodiment configured as described above will be described. With the cap 23, the gasket 24, and the liquid outlet pipe 25 removed, the liquid is put into the container body 20 through the mouth portion 22, the lower portion of the liquid outlet pipe 25 is put into the container body 20, and the cap 23 is opened. Tighten to part 22. As shown in FIG. 2, some air is left at the upper end of the container body 20. In this state, the bellows-shaped bellows 21 is pushed down by the user's hand to compress the bellows 21. This compression operation is performed by closing the ventilation small holes 21a provided in the bellows 21 with fingers, so that the pressure in the container body 20 becomes high, and the liquid in the container body 20 passes through the liquid discharge pipe 25. It flows out from the tip opening.

Next, the finger that closes the ventilation small hole 21a is released and opened, and the inside of the container body 20 is communicated with the atmosphere by the small ventilation hole 21a, and the outside air is introduced into the container body 20 and the pressure inside the container body 20 is changed. After the pressure is set to atmospheric pressure, the bellows-shaped bellows 21 is repeatedly compressed with the ventilation small holes 21a closed with fingers, and the liquid in the container body 20 is intermittently pushed to the outside by a predetermined amount. put out.

In the liquid extruding container according to this embodiment, a container body 20 and a bellows-shaped bellows 21 having a function as a pump are integrally formed of plastic, and a piston which constitutes a pump is provided in addition to the bellows 21. Since it does not require springs or ball valves, it is easy to manufacture, has a small number of parts, has a simple structure, and is durable and long lasting.

FIG. 3 shows another embodiment of the present invention. In this embodiment, the upper wall 20a of the container body 20 is frustoconical, and a bellows-shaped bellows 21 is integrally provided on the center of the upper wall 20a. The mouth portion 22 is projected at a right angle, and the upper portion of the liquid outlet pipe 25 is bent horizontally to protrude outside the mouth portion 22, the gasket 24, and the cap 23 of the container body 20, and the tip portion is bent downward. The configuration is different from that shown in FIGS.

The embodiment shown in FIG. 3 has the same effect as that shown in FIGS. 1 and 2, and has a smaller diameter and a vertically longer container body than those shown in FIGS. You can In FIG. 3, the same symbols as those in FIGS. 1 and 2 indicate corresponding parts. Further, in this invention, the liquid discharge pipe of the embodiment shown in FIGS. 1 and 2 may be bent almost in the same manner as that shown in FIG. 3, and the gasket of the embodiment may be omitted. .

[0019]

[Effect of device]

 As described above, the liquid extruding container according to the present invention has a vent hole formed on the tip surface outside the upper end of the container body, and an elastic bellows-like expandable bellows-like lid, and a detachable cap. Since the lower end of the liquid discharge pipe that is airtightly inserted into the cap is communicated with the lower end inside the container body and the tip opening of the liquid discharge pipe is projected outside the cap, the following effects Is obtained.

That is, in the liquid extruding container according to the present invention, the bellows-shaped bellows are axially pressed and compressed by the user's hand, and at the same time, the vent holes of the bellows are closed by the fingers of the hand. Then, the air in the upper part of the container main body is made to have a high pressure, the liquid in this main body is pushed out to the outside through the tip opening through the inside of the liquid discharge pipe, and then the bellows is pressed by hand and the ventilation is made by fingers. The blockage of the hole is released, the pressure in the container body is brought to atmospheric pressure, and the bellows is stretched by its own elasticity. After that, by repeating the above-described operation, the liquid in the easy body is intermittently extruded by a predetermined amount to the outside.

In the liquid extruding container of the present invention, the container body may be provided with a bellows-like bellows which has a function as a pump and which can be expanded and contracted by elastic deformation. Since it does not require a ball valve, etc., it has a small number of parts, a simple structure, low manufacturing cost, few failures, and can be used for a long period of time.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a liquid extrusion container according to an embodiment of the present invention.

FIG. 2 is a vertical sectional view showing the liquid extrusion container of FIG.

FIG. 3 is a vertical sectional view showing a liquid extrusion container according to another embodiment of the present invention.

FIG. 4 is a longitudinal sectional view showing an example of a conventional liquid extrusion pump.

[Explanation of symbols]

 20 Container Main Body 21 Bellows-like Bellows 21a Vent Small Hole 22 Mouth 23 Cap 24 Gasket 25 Liquid Discharge Pipe

Claims (1)

[Scope of utility model registration request] 1. A bellows-like swellable elastically deformable bellows and a mouth are projected outside the upper end of the container main body, and the bellows has a base end communicating with the inside of the container main body, and a vent end is ventilated. A small hole is formed, a cap is removably attached to the mouth, and the liquid discharge pipe airtightly inserted into the cap has a lower end communicating with the lower end inside the container body, and a tip opening outside the cap. A liquid extruding container characterized by being projected.