JP3720542B2 - Liquid ejector - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a liquid ejection container.
[0002]
[Prior art]
As shown in FIG. 3, as the liquid ejector, by pushing down the ejection head 3 that is protruded from the container body 1 through the stem 2 in an upwardly biased state, the liquid in the container body is discharged from the front surface of the ejection head. What was provided so that it may eject from the protruded nozzle cylinder 4 is known.
The ejector is configured to prevent leakage of liquid from the tip of the nozzle cylinder 4 or prevent solidification of the liquid in the nozzle by attaching the stoppered member 5 to the lower part of the ejection head.
The plug-attached member 5 has a ring-shaped portion 7 fitted into an annular recess 6 formed on the lower surface of the ejection head so as to surround the stem connecting portion on the lower surface, and from the front outer surface of the ring-shaped portion 7. A protruding front end of the elastic piece 8 extends to the vicinity of the front end of the nozzle cylinder, and a spigot 9 attached to the front end of the elastic piece is detachably fitted to the front end opening of the nozzle cylinder.
[0003]
[Problems to be solved by the invention]
In the above-mentioned conventional ejector, since the nozzle cylinder opening is closed by the stopper 9 when not in use, drying in the nozzle cylinder can be prevented, and problems such as solidification of the remaining liquid in the nozzle cylinder can be prevented. It is.
However, since the ejector is equipped with the stopper-attached member as described above, the assembly operation is relatively troublesome, and when the ejecting head is pushed down by mistake, the stopper is pushed out and the liquid is discharged. There was a risk of leakage. In addition, when using the ejector, there is a possibility that the plug is located in the vicinity of the opening of the nozzle cylinder and obstructs the dispensing, and this can be solved by pressing the elastic piece 8 with a finger or the like, but the liquid dispensing operation is troublesome.
[0004]
In view of the above points, the present invention can prevent inconveniences such as solidification of residual liquid in the nozzle cylinder by preventing drying in the nozzle cylinder, and can prevent inadvertent liquid leakage. The present invention proposes an excellent liquid ejector that is easy to handle such as liquid pouring.
[0005]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, the liquid ejector according to the first aspect of the present invention is a jet projecting so as to move up and down in an upward biased state through a stem 13 penetrating the center of the mounting cap 12 fitted to the upper part of the container body 11 In a liquid ejector configured such that by depressing the head 14, the liquid in the container is ejected from the nozzle cylinder 15 protruding from the front part of the ejection head 14, the top part is in the shape of a top with the front part opened, and The bottom end of the base 16a that covers the both sides and rear surface of the stem 13 and the upper surface, both sides, and rear surface of the ejection head is detachably fitted to the outer periphery of an annular locking projection 17 that projects from the center of the upper surface of the mounting cap 12. In addition, the cap body 16 is formed by extending a nozzle cylinder covering portion 16b that covers the upper surface and both side surfaces of the nozzle cylinder 15 from the front opening edge of the base portion 16a, and the top plate front edge of the nozzle cylinder covering portion 16b. Connect the upper edge to be movable, and back To constitute a fitting cylinder 18 which projects as a liquid ejector which characterized in that it comprises a cap A composed of a nozzle tube 15 distal to fit removably engaged so lid plate 19..
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
As shown in the drawings, the liquid ejector 10 of the present invention pushes down the ejecting head 14 that protrudes up and down in an upwardly biased state via a stem 13 that passes through the center of a mounting cap 12 fitted to the upper part of the container body 11. Thus, the present invention relates to the improvement of the liquid ejector configured such that the liquid in the container is ejected from the nozzle cylinder 15 protruding from the front portion of the ejection head 14.
[0007]
Accordingly, the built-in pump mechanism in these ejectors can be adopted as long as it is employed in the conventional ejector of this type. A cylinder with a suction valve fixed in a state in which the lower part of the cylinder is suspended in the container body by detachably fitting the mounting cap projecting in a double cylindrical shape from the upper part to the outer periphery of the container neck, The upper end of the stem connected to the lower outer periphery is connected to the suction pipe with the upper end connected to the lower end of the cylinder and the lower end hanging down to the lower part of the container, and the annular piston slidably fitted to the inner periphery of the cylinder. And a vertically moving member that protrudes upward from the cylinder so that it can move up and down, and has an ejection head with a nozzle cylinder fitted and fixed to its upper end, and a discharge valve provided in the stem. And the like.
[0008]
Then, the liquid in the cylinder pressurized by pushing down the ejection head passes through the stem, opens the discharge valve, and ejects from the nozzle cylinder, and when the ejection head rises, the inside of the cylinder has a negative pressure. The discharge valve is closed, the suction valve is opened, and the liquid in the container is introduced into the cylinder through the suction pipe.
[0009]
The ejector of the present invention comprises a special synthetic resin cap A in this conventional ejector. The cap A has a cylindrical shape with an opening at the front, and has a lower end edge of a base 16a covering the both sides and the rear surface of the stem 13 and the upper surface, both sides and the rear surface of the ejection head, A nozzle cylinder covering portion 16b that covers the upper surface and both side surfaces of the nozzle cylinder 15 is extended from the front opening edge of the base portion 16a. A cap body 16 and a lid in which an upper edge is rotatably connected to the top edge of the top plate of the nozzle cylinder covering portion 16b, and a fitting cylinder 18 protruding from the back surface is detachably fitted to the tip of the nozzle cylinder 15 It consists of a plate 19.
[0010]
The case where the ejector configured as described above is used will be described. When not in use, the cap A is fitted with the fitting cylinder 18 of the cover plate 19 at the tip of the nozzle cylinder 15 as shown in FIG. The lower end edge of the cap body base portion 16a is fitted to the outer periphery of the locking protrusion 17 and attached. In use, after the cover plate 19 is removed, the bottom edge of the base portion 16a is removed, the cap A is removed, and then the ejection head 14 is pushed down, so that the liquid in the container is discharged from the nozzle cylinder 15 by the action of the built-in pump mechanism. It is configured to erupt.
Each of the above members is preferably formed of a synthetic resin, and may be formed by using an elastomer, a metal, or the like as necessary.
[0011]
【The invention's effect】
As described above, the liquid ejector according to the present invention has the above-described configuration. In particular, the liquid ejector has a cylindrical shape with an opening at the front, and both the side surface and the rear surface of the stem 13 and the upper surface, the both side surfaces and the rear surface of the ejection head The lower end edge of the base portion 16a is attached to the outer periphery of the annular locking protrusion 17 projecting from the central portion of the upper surface of the mounting cap 12, and the upper surface of the nozzle cylinder 15 from the front opening edge of the base portion 16a. And a cap body 16 formed by extending a nozzle cylinder covering portion 16b covering both side surfaces, and a top edge of the top plate of the nozzle cylinder covering portion 16b that is pivotally connected to the cap plate 16 and protruded from the back surface. Since the cap A comprising the cover plate 19 in which the cylinder 18 is detachably fitted to the tip of the nozzle cylinder 15 is provided, the cap 18 is used when the ejector is used, so it becomes an obstacle when the liquid is ejected. And the presence of the base 16a when the To prevent depressing the left head is not fear that cause leakage of inadvertent liquid, also attached to the pump is also very easy and handling extremely convenient.
[0012]
Needless to say, when the fitting cylinder 18 of the cover plate 19 is fitted, it is possible to prevent drying in the nozzle cylinder as in the conventional product and to prevent the liquid in the nozzle cylinder from solidifying. Absent.
[Brief description of the drawings]
FIG. 1 is a partially cutaway side view of an essential part showing an embodiment of a liquid ejector of the present invention.
FIG. 2 is a perspective view showing a cap in the same embodiment.
FIG. 3 is a partially cutaway side view of an essential part showing an example of a conventional container.
[Explanation of symbols]
11 ... container body, 12 ... mounting cap, 13 ... stem, 14 ... ejection head,
15 ... Nozzle tube, 16 ... Cap body, 16a ... Base, 16b ... Nozzle coating,
17 ... Locking ridge, 18 ... Fitting cylinder, 19 ... Cover plate

Claims (1)

By pushing down the ejection head 14 that protrudes in an upwardly biased state through a stem 13 that passes through the center of the mounting cap 12 that is fitted to the upper part of the container body 11, the liquid in the container is released from the front of the ejection head 14 In the liquid ejector configured to eject from the protruding nozzle cylinder 15, it is a top cylinder with an opening at the front, and both the side surface and the rear surface of the stem 13, the upper surface, the both side surfaces and the rear surface of the ejection head, The lower end edge of the base portion 16a that covers the upper surface of the nozzle cylinder 15 is removably fitted to the outer periphery of the annular locking protrusion 17 projecting from the center of the upper surface of the mounting cap 12, and from the front opening edge of the base portion 16a. A cap main body 16 formed by extending a nozzle cylinder covering portion 16b that covers both side surfaces, and a fitting cylinder that is rotatably connected to the top edge of the top plate of the nozzle cylinder covering portion 16b and that protrudes from the back surface. 18 was removably fitted to the tip of the nozzle cylinder 15 Liquid ejector, characterized in that it comprises an cap A made of a plate 19..

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