JP2549313Y2 - 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 suspended into the container body by the mounting cap fitted to the outer periphery of the neck of the container body, and the upper end press-down head is fitted to the upper end of the discharge pipe, which protrudes upward and downward from the upper end opening of the cylinder so that it can move up and down. There is a known configuration in which the liquid in the container is sucked into the cylinder from the lower end of the cylinder by the vertical movement of the head, and is discharged from the discharging 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 according to the present invention has a mounting cap 4 fitted around the outer periphery of the neck 14 of the container body, and the cap and the neck formed by the cap.
A cylinder 5 with a suction valve 26 fixed at 14 and having a lower end hanging down in the container body, and a plurality of plate-shaped ribs 19 projecting at predetermined intervals in the circumferential direction at a lower portion inside the cylinder, and a lower end surface is placed on the upper surface of the cylinder. A metal coil spring 7 erected in the upper part of the cylinder 5, and the lower end is brought into contact with the upper end of the spring to urge it upward at all times, and the upper end is protruded above the upper end opening of the cylinder 5 to be able to move up and down. The cylinder has a discharge pipe 8 supported by the cylinder, a press-down head 9 fitted and fixed to the upper end of the discharge pipe, and an annular piston 11 whose outer peripheral edge is slidably fitted in the cylinder 5. By moving the head 9 up and down, the liquid in the container body 2 is sucked up into the cylinder 5, and the liquid in the cylinder 5 is discharged from the discharge hole 32 of the head 9 through the discharge pipe 8. In the outlet container, a plurality of engaging ridges 21 are provided on the upper end of the outer periphery of the cylinder 5 at predetermined circumferential intervals.
A plurality of locking projections 22 are provided at the upper end of the inner circumference of the cylinder 5 at predetermined intervals in the circumferential direction. The fitting cylinder 37 projecting from the top wall 38 at a predetermined interval in the circumferential direction is suspended from the back surface of the top wall 38, and the piston is fitted to the upper end of the inner periphery of the cylinder 5 from the inner periphery of the window hole formed in the center of the top wall 38. A plurality of locking ribs 40, which suspend the locking cylindrical portion 39 for preventing the 11 from slipping out and abut and lock on one side surface of each of the locking projections 22 from the outer surface of the cylindrical portion, project at predetermined circumferential intervals. The engaging cylinder member 12 is provided so that each engaging projection 36 of the engaging cylinder member 12 is located between each engaging ridge 21 of the cylinder 5.
The member 12 can be removed by rotating the member 12.

[0007]

By rotating the locking cylinder member 12, the respective engaging projections 36 are rotated to a position between the respective engaging ridges 21 of the cylinder 5 and pulled up to remove the member 12. The piston 11 can be removed at the same time by pulling out the operating member 10 composed of the discharge pipe 8 and the press-down head 9, and the metal coil spring 7 can be taken out by reversing the container. Metal and plastic can be easily separated. Also, when a metal ball is used as the suction valve body, it can be similarly easily separated.

[0008]

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

FIGS. 1 to 4 show an embodiment of the present invention. A liquid discharging 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 is configured so that the mouth and neck portion 14 stands upright from the body portion 13.

The mounting cap 4 has a top wall 16 extending from an upper edge of a peripheral wall 15 fitted on the outer periphery of the mouth and neck 14 of the container body, and a large circular window hole 17 is formed in the center of the top wall 16. Make up.

The lower end of the cylinder 5 is sequentially reduced in three steps to form a first reduced diameter portion 5a, a second reduced diameter portion 5b, and a third reduced diameter portion 5c from above, and the upper end is formed in two steps. The first and second enlarged diameter portions 5d and 5e are formed in order from the bottom to form a cylindrical shape of the upper and lower end openings formed from below, and the first enlarged diameter portion 5a is located above the first enlarged diameter portion 5d. Is formed as a sliding cylinder portion 5f in which the annular piston 11 moves up and down. Also, the second reduced diameter portion 5b
And a third tapered portion 5c, the suction valve seat 18 having a tapered shape which narrows downward, is formed to protrude inwardly from the inner peripheral edge of the step, and has a tapered shape whose diameter decreases as going downward. And the inner peripheral edge thereof is formed as a suction valve hole 18a. Further, plate-like ribs 19 are protrudingly provided on the front, rear, left and right sides of the inner circumference of the second reduced diameter portion 5b. An outward flange 20 protrudes from the outer periphery of the first enlarged diameter portion 5d.

In the present invention, a plurality of engaging ridges 21 are provided on the outer peripheral surface of the second enlarged-diameter portion 5e of the cylinder 5 at predetermined circumferential intervals to engage the locking cylinder member 12. And
In addition, a plurality of locking projections 22 are protruded from the inner peripheral surface of the second enlarged-diameter portion 5e at predetermined circumferential intervals. The cylinder 5 constructed as described above has its outward flange 20 attached to the packing 22.
On the upper surface of the container body neck 14 through the
The upper surface is pressed and locked by the lower surface of the cap top wall 16, and further,
The lower end is attached to the body 13 of the container. or,
The upper end of a suction pipe 24 is fitted to the lower end of the cylinder 5, and the lower end thereof is hung below the inside of the container body 13.

The suction valve member 6 is connected to the suction valve seat 18.
Hollow cylindrical base with lower end surface abutting liquid tight on top surface
6a, a rod-shaped guide portion 6b having a diameter reduced from the upper end edge is formed in a columnar shape in which the rod-shaped guide portion 6b is integrally erected above the inside of the cylinder. It is located between the plate-shaped ribs 19 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 18 form a suction valve 26.

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.

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-shaped ribs 19 and constantly biased upward, and is mounted so as to be vertically movable. On the upper surface of the locking projection 27, a concave groove 28 is provided.
A discharge valve body portion of the annular piston 11 described later is configured to be insertable therein.

Further, an inward flange-shaped sliding projection 29 is projected from the lower inner surface, and the inner peripheral edge of the sliding projection 29 is brought into liquid-tight and slidable contact with the outer periphery of the guide portion 6b of the suction valve member. 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 18 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 30 communicating with the inside of the cylinder 5 is formed at the lower end of the peripheral wall, and a double cylindrical projection for pushing down the piston is formed from an outer peripheral surface of the peripheral wall above the through hole 30 through an outward flange. And a lower end thereof is hung at a predetermined interval from the locking projection 27.

The press-down head 9 has a fitting tube portion 32 fitted to the upper end of the discharge pipe 8 and is mounted on the lower end of the discharge pipe 8. The flow path 34 extends from the upper end opening of the discharge pipe 8 to the pouring hole 33 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 tubular portion 31 and the locking projection 27 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 inner upper sliding portion 11c is slidably and liquid-tightly abutted on the inner peripheral surface of the above-mentioned hanging cylindrical portion 31 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 28 in a liquid-tight manner so as to close between the cylinder 5 and the discharge pipe 8, so that the groove 28 and the discharge valve portion 11d are closed. A discharge valve 35 is formed with the lower end.

The engaging cylinder member 12 has a plurality of engaging projections 36 which engage with the lower surfaces of the engaging ridges 21 of the cylinder 5 and are provided at a lower portion of the inner peripheral surface thereof at a predetermined circumferential interval so as to protrude. The top wall 38
The mounting cap 16 is vertically suspended above the mounting cap 16 with a slight gap from the back surface. A locking cylinder portion 39 fitted to the inner periphery of the cylinder 5 is suspended from the inner periphery of the window hole formed in the center of the top wall 38, and the lower end of the cylinder portion 39 slides the annular piston 11 upward and outward. The upper edge of the portion 11a is locked so that the piston 11 and the operating member 10 are prevented from coming off.
Further, a plurality of locking ribs 40, which are in contact with and locked to one side surface of each of the locking projections 22 of the cylinder 5 from the upper part of the outer peripheral surface of the locking cylindrical portion 39, protrude at predetermined circumferential intervals. The width of the locking rib 40 is smaller than the width between the locking projections 22 so that the locking cylinder member 12 can rotate sufficiently. Further, when the locking cylinder member 12 is rotated, the engagement projection 36 fitted on the lower surface of each engagement ridge 21 rotates between the engagement ridges 21 to rotate the operating cylinder member.
The size of each protrusion and ridge is set so that 12 can be pulled upward. Also, the mounting cap top wall 16 is positioned from the lower portion of the outer peripheral edge of the top wall 38.
A peripheral wall 41 is suspended upward. Further, a screw thread is provided at the upper portion of the inner periphery of the locking cylinder portion 39 to be screwed with a thread provided around the outer periphery of the fitting cylinder portion 32 of the push-down head, so that the actuating member 10 can be locked at the pushed-down position. Make up.

When the operating member 10 is lowered by pressing down the head 9, the suction valve member 6 is lowered by the sliding projection 29 of the discharge pipe 8, and the suction valve 26 is closed. Since the piston 11 stays at the current position until the lower end of the hanging cylindrical portion 31 of the discharge pipe 8 presses the upper surface of the piston, the discharge valve 35 is opened and the inside of the cylinder 5 is pressurized. Through the outlet pipe of the head 9 from the discharge pipe 8 through the flow passage 34.
It is poured out from 33. Further, when the pressing of the operating member 10 is released, the operating member 10 is pushed upward by the elastic force of the spring 7, whereby the suction valve member 6 is pulled upward, the suction valve 26 is opened, and the discharge valve is opened. When the cylinder 35 is closed and the pressure in the cylinder 5 is reduced to a negative pressure, the liquid in the container 2 is sucked into the cylinder 5 through the suction pipe 24 via the suction valve 26.

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

[0025]

As described above, the liquid dispensing container of the present invention has the above-described structure, and can be removed by a simple operation of rotating and pulling up the locking cylinder member. Since metal springs or metal balls can be easily taken out, 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 perspective view of a main part showing an upper end portion of the cylinder of the embodiment.

FIG. 3 is a plan view showing the cylinder of the embodiment.

FIG. 4 is a cross-sectional view of the same example taken along the line AA-A of FIG.

[Explanation of symbols]

 2 Container body 4 Mounting cap 5 Cylinder 7 Coil spring 8 Discharge pipe 9 Push-down head 11 Annular piston 12 Locking cylinder member 14 Container body neck 21 Engagement ridge 22 Engagement protrusion 26 Suction valve 33 Discharge hole 36 Engagement protrusion 37 Mating tube 39 Locking tube 40 Locking rib

Claims (1)

(57) [Scope of request for utility model registration] 1. A mounting cap 4 fitted on the outer periphery of the container body neck portion 14, a cylinder 5 with a suction valve 26 fixed to the container body neck portion 14 by the cap and having a lower end hanging down into the container body. A metal coil spring 7 with its lower end placed on the upper surface of a plurality of plate-like ribs 19 protruding at predetermined intervals in the circumferential direction at the lower portion inside the cylinder and standing upright in the cylinder 5, and the lower end contacting the upper end of the spring A discharge pipe 8 having an upper end protruding above an upper end opening of the cylinder 5 so as to be supported vertically movably, and a press-down head 9 fitted and fixed to the upper end of the discharge pipe. 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 by moving the press-down head 9 up and down.
In the liquid injection container configured to suck up the liquid in the cylinder 5 and to discharge the liquid in the cylinder 5 from the injection hole 32 of the head 9 via the discharge pipe 8, a plurality of cylinders are provided at a predetermined circumferential interval at an upper end of the outer periphery of the cylinder 5. Along with the projecting engagement ridges 21, a plurality of engagement projections 22 are projected from the upper end of the inner periphery of the cylinder 5 at predetermined intervals in the circumferential direction, and the engagement projections 36 engaged with the lower surfaces of the engagement projections 21 are formed. A fitting cylindrical portion 37 protruding from the lower surface of the inner peripheral surface at a predetermined interval in the circumferential direction is vertically provided from the back surface of the top wall 38, and is fitted to the upper end of the inner periphery of the cylinder 5 from the inner peripheral edge of the window hole formed in the center of the top wall 38. A plurality of locking ribs are formed by hanging down a locking cylindrical portion 39 for preventing the piston 11 from coming off, and abuttingly locking one side surface of each of the locking projections 22 from the outer surface of the cylindrical portion.
Locking cylinder member 12 formed by projecting 40 at predetermined intervals in the circumferential direction
And each engaging projection 36 of the locking cylinder member 12 is
A liquid dispensing container characterized in that the member 12 is detachable by rotating the locking cylinder member 12 so as to be located between the engaging projections 21.