JP2550146Y2 - Liquid dispense container - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid dispensing container.

[0002]

[Prior art]

[Problem to be solved by the invention] As a liquid discharge container,
The lower end cylinder is hung down into the container body by the mounting cap fitted on the outer periphery of the neck of the container body, and the lowering head at the upper end is protruded upward and downward from the opening at the upper end of the cylinder so that it can move up and down. Is known so that the liquid in the container body is sucked into the cylinder from the lower end of the cylinder into the cylinder and is discharged from the discharge hole of the head.

[0003] In these containers, an operating member consisting of a discharge pipe and a press-down head is constantly urged upward.
A metal coil spring is installed inside the cylinder,
Further, as a valve element of the suction valve, there is one in which a metal ball is mounted on an inward flange-shaped suction valve seat protruding from a lower end of a cylinder.

On the other hand, in recent years, the situation of waste disposal has deteriorated, and as a result, plastic and metal are being separated as a part of efficient processing. In such a situation, the above-mentioned conventional container is inconvenient. there were. That is, in the above-mentioned conventional product, since the metal part is housed in the cylinder, the pump must be forcibly destroyed for the separation, and the separation is extremely troublesome.

The present invention solves the above-mentioned drawbacks of the prior art and proposes a liquid dispensing container which can easily separate a plastic part and a metal part at the time of disposal.

[0006]

In order to solve the above-mentioned problems, the liquid dispensing container of the present invention has a mounting cap 4 fitted on the outer periphery of the container body neck 14 and an upper end fitted and fixed to the cap. Cylinder 5 with suction valve 25 hanging downward
A metal coil spring 7 having a lower end surface mounted on an upper surface of a plurality of plate-shaped ribs 21 projecting at predetermined intervals in a circumferential direction at a lower portion inside the cylinder and standing upright in the cylinder 5; The discharge pipe 8 has an upper end protruding above the upper end opening of the cylinder 5 and is supported so as to be movable up and down, and is fitted and fixed to the upper end of the discharge pipe. It has a press-down head 9 and an annular piston 11 whose outer peripheral edge is slidably fitted in the cylinder 5. The liquid in the container body 2 is moved into the cylinder 5 by moving the press-down head 9 up and down. In the liquid discharging container configured to suck up and discharge the liquid in the cylinder 5 from the discharging hole 32 of the head 9 through the discharge pipe 8, the cylinder 5 includes the plate-shaped rib 21 and the suction valve 25. Lower Siri And an upper cylinder portion 5A above the lower cylinder portion, and the two are liquid-tightly and detachably fitted.

[0007]

[Function] The cylinder 5 is detachably configured so that it can be separated into an upper cylinder portion 5A and a lower cylinder portion 5B. The lower cylinder portion 5B is connected to a plate-like rib 21 and a discharge valve 25 for locking the lower end of the coil spring 7. Therefore, if the lower cylinder portion 5B is rotated and removed at the time of disposal, the metal coil spring can be easily taken out, and the metal and the plastic can be easily separated. In addition, even when a metal ball is used as the suction valve body, the suction valve is provided in the lower cylinder portion, so that the suction valve can be easily separated.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings.

1 and 2 show an embodiment of the present invention.
The liquid dispensing container 1 of the present invention comprises a container body 2 and a suction pump 3 mounted on the container body.

The suction pump 3 includes a mounting cap 4
, A cylinder 5, a suction valve member 6, a coil spring 7, an operating member 10 including a discharge pipe 8 and a pressing head 9, an annular piston 11, and a locking cylinder member 12 as main members. I have.

The container body 2 has a mouth and neck 14 standing upright from a body 13.

The mounting cap 4 has a top wall 16 extending from an upper edge of a peripheral wall 15 fitted to the outer periphery of the mouth and neck portion 11 of the container body, and a large circular window hole 17 is formed in the center of the top wall 16. Make up.

In the present invention, the cylinder 5 is composed of an upper cylinder portion 5A and a lower cylinder portion 5B. The upper cylinder part 5A has a cylindrical shape with upper and lower ends open,
An outward flange 18 is protruded from the upper part of the outer periphery.

The lower cylinder portion 5B has a cylindrical shape with upper and lower end faces opened, and is formed by extending a reduced diameter portion 5B2 whose diameter is reduced through a tapered step portion narrowed below the lower edge of the upper large diameter portion 5B1. Has been established. The inner diameter of the large-diameter portion 5B1 is formed to be the same as the inner diameter of the lower end of the upper cylinder portion 5A, and the fitting cylinder portion 19 is extended upward through an outward flange extending from the upper end of the large-diameter portion. doing. Also, a tapered suction valve seat 20 projecting inwardly from the inner peripheral edge of the stepped portion and having a diameter decreasing toward the bottom is projected, and the inner peripheral edge is formed as a suction valve hole 20a. Further, plate-shaped ribs 21 are protrudingly provided on the front, rear, left and right of the inner periphery of the large diameter portion. Then, the lower cylinder 5B thus configured is screwed with the inner periphery of the fitting cylinder portion 19 to the lower end of the outer periphery of the upper cylinder portion 5A, and the two are liquid-tightly and detachably connected to form the cylinder 5. ing. At this time, it is preferable to interpose a packing or the like between the upper surface of the outward flange of the lower cylinder portion 5B and the lower end surface of the upper cylinder portion 5A, because the liquid-tightness between them is further improved.

In the cylinder 5 constructed as described above, its outward flange 18 is connected to the container body neck 14 through the packing 22.
It is placed on the upper surface, the upper surface of the flange 18 is pressed and locked by the lower surface of the cap top wall 16, and the lower end is suspended in the container body 13. The upper end of the suction pipe 23 is fitted to the lower end of the cylinder 5, and the lower end is connected to the body of the container.
13 Hanging in the lower part.

The suction valve member 6 is connected to the suction valve seat 20.
Hollow cylindrical base with lower end surface abutting liquid tight on top surface
6a has a cylindrical shape in which a rod-shaped guide portion 6b having a diameter reduced from the upper end edge is integrally provided upright in the cylinder, and four plate-like protrusions 24 protruded from the outer peripheral surface of the lower end of the base 6a at predetermined intervals. It is positioned between the plate-like ribs 21 and supported so as to be vertically movable. The lower end surface of the suction valve member 6 and the upper surface of the suction valve seat 20 form a suction valve 25.

In the present embodiment, the suction valve is formed by the suction valve member and the suction valve seat as described above. However, a suction valve of a known mechanism using a metal ball as the suction valve body may be used. It is possible. However, in this case, the suction valve must be provided in the lower cylinder.

The discharge pipe 8 has a cylindrical shape with a lower end hanging down in the cylinder 5 and an upper end protruding from an opening at the upper end surface of the cylinder. The metal coil spring 7 is interposed between the upper surfaces of the respective plate-like ribs 21 and constantly urged upward, and is mounted so as to be vertically movable. On the upper surface of the locking projection 26, a concave groove 27 is provided.
A later-described discharge valve body of the annular piston 11 is configured to be insertable therein.

Further, an inward flange-like sliding projection 28 is protruded from the inner surface of the lower portion, and its inner peripheral edge is brought into contact with the outer periphery of the guide portion 6b of the suction valve member in a liquid-tight and slidable manner. The suction valve member 6 is pushed down as the lower end thereof comes into contact with the upper surface of the suction valve seat 20 with the lowering of the suction valve 10, and the suction valve member 6 is raised to a predetermined position as the operating member 10 rises.

Further, a through hole 29 communicating with the inside of the cylinder 5 is formed at the lower end of the peripheral wall, and a protrusion for pushing down the piston is formed in a double cylindrical shape from an outer peripheral surface of the peripheral wall above the through hole 29 through an outward flange. , And a lower end thereof is vertically provided at a predetermined interval from the locking projection 26.

The press-down head 9 has a fitting tube portion 31 fitted to the upper end of the discharge pipe 8 and is mounted thereon. The press-down head 9 has a flow passage 23 extending from the upper end opening of the discharge pipe 8 to the pouring hole 32 opened in the front. Is formed inside.

The annular piston 11 is a skirt-shaped external upper sliding portion 11a which extends upward from the outer upper surface of the annular base located between the hanging cylindrical portion 30 and the locking projection 26 of the discharge pipe 8.
A skirt-shaped outer lower sliding portion 11b extending downward from the outer lower surface of the annular base; an inner upper sliding portion 11c having an upper end extending outward from the inner upper surface of the annular base;
Each of the ring-shaped discharge valve bodies 11d hanging downward from the inner lower surface of the annular base has a substantially H-shaped vertical section, and the upper end of the outer upper sliding part 11a and the lower end of the outer lower sliding part 11b The upper end of the upper inner sliding portion 11c is slidably and liquid-tightly abutted on the inner peripheral surface of the above-mentioned hanging cylindrical portion 30 of the discharge pipe 8 while being mounted on the inner peripheral surface of the cylinder 5 so as to be slidable. I have.

Then, at the raised position of the operating member 10,
The lower end of the discharge valve portion 11d is fitted in the groove 27 in a liquid-tight manner so as to close the space between the cylinder 5 and the discharge pipe 8, and the groove 27 and the discharge valve portion 11d are formed. A discharge valve 34 is formed with the lower end.

The locking cylinder member 12 is provided at the upper end of the inner peripheral surface of the cylinder 5 via an inward flange from the upper edge of a fitting cylinder 35 fitted to the outer periphery of the upper end of the cylinder 5 protruding above the mounting cap 4. The locking cylinder 36 is fitted vertically and vertically. The lower end edge of the fitting cylinder 35 prevents the mounting cap 4 from coming off the cylinder 5. Also, locking cylinder
A thread is provided above the inner peripheral surface of the head 9, and the fitting cylindrical portion 31 of the head 9 is provided.
By being configured to be screwable with the thread provided on the outer circumference,
The operation member 10 can be locked at the depressed position. The locking cylinder 36 also has a function of locking the upper end of the outer upper sliding portion 11a of the annular piston 11 to limit the rising position of the annular piston 11.

In the container 1 constructed as described above, the operating member 10 is lowered by pressing the press-down head 9, whereby the suction valve member 6 is lowered by the sliding projection 28 of the discharge pipe 8, and the suction valve 25 is closed. Since the piston 11 stays at the current position until the lower end of the hanging cylindrical portion 30 of the discharge pipe 8 presses the upper surface of the piston, the discharge valve 34 is opened, and the inside of the cylinder 5 is pressurized so that the liquid in the cylinder 5 passes through the discharge valve 34. 29, the discharge hole of the head 9 from the discharge pipe 8 through the flow passage 33.
Poured from 32. When the pressing of the operating member 10 is released, the operating member 10 is pushed upward by the resilience of the spring 7, and the suction valve member 6 is pulled upward, whereby the suction valve 25 is opened, and the discharge is performed. The valve 34 is closed so that the pressure in the cylinder 5 becomes negative, and the liquid in the container 2 is sucked into the cylinder 5 through the suction pipe 23 through the suction valve 25.

The above members are all made of synthetic resin unless otherwise specified.

[0027]

[Effect of the Invention] As described above, the liquid injection container of the present invention has the above-described structure, so that when disposing, the lower cylinder portion is detached from the upper cylinder portion to facilitate the internal metal spring or metal ball. The metal and plastic can be easily separated and discarded, which is suitable for recent waste disposal situations.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a main part of an embodiment of a liquid dispensing container of the present invention.

FIG. 2 is a cross-sectional view taken along the line AA of the embodiment.

[Explanation of symbols]

 2 Container body 4 Mounting cap 5 Cylinder 5A Upper cylinder part 5B Lower cylinder part 7 Coil spring 8 Discharge pipe 9 Push-down head 11 Annular piston 14 Neck and neck 21 Plate rib 25 Suction valve 32 Injection hole

Claims (1)

(57) [Scope of request for utility model registration] 1. A mounting cap 4 fitted to the outer periphery of the neck 14 of a container body, a cylinder 5 with a suction valve 25 having an upper end fitted and fixed to the cap and hanging downward, and A metal coil spring 7 with its lower end placed on the upper surface of a plurality of plate-like ribs 21 protruding at a predetermined interval in the direction of the cylinder 5 and erected upward in the cylinder 5, and the lower end is brought into contact with the upper end of the spring so as to be always upward And urge
A discharge pipe 8 having an upper end protruding above an upper end opening of the cylinder 5 and supported so as to be movable up and down, a press-down head 9 fitted and fixed to the upper end of the discharge pipe, and an outer peripheral edge slid into the cylinder 5. An annular piston 11 movably fitted,
The liquid in the container body 2 is sucked into the cylinder 5 by moving the press-down head 9 up and down, and the liquid in the cylinder 5 is discharged through the discharge pipe 8 into the discharge hole 32 of the head 9.
In the liquid pouring container configured so as to pour more, the cylinder 5 is divided into a lower cylinder portion 5B including a plate-like rib 21 and a suction valve 25, and an upper cylinder portion 5A above the lower cylinder portion, A liquid dispensing container wherein both are fitted in a liquid-tight and detachable manner.