JP3916839B2 - Pump type liquid dispensing container - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a pump type liquid dispensing container.
[0002]
[Prior art]
For example, as shown in Japanese Utility Model Laid-Open No. 7-40507, a sliding bottom plate is fitted into the bottom of the container body so as to be able to ascend, and the operating member with the nozzle is urged upward from the cylinder provided in the upper part of the container body. The liquid in the container is sucked into the cylinder through the suction valve provided at the bottom of the cylinder by the vertical movement of the operating member, and the liquid in the cylinder is sucked into the stem of the operating member through the discharge valve. In addition, there is known a pump-type liquid dispensing container that is provided so as to be poured out from a nozzle, and is provided so that the sliding bottom plate rises due to a negative pressure due to a decrease in liquid in the container body and the negative pressure state is eliminated. .
[0003]
[Problems to be solved by the invention]
In a conventional pump type liquid dispensing container, a cylinder is suspended from the upper part of the container body into the container body, and the operating member is erected by urging the cylinder upward from the inside of the cylinder. Although it is provided so that liquid can be poured out from the nozzle of the lowering head, for example, when the liquid pouring port side is inserted into a narrow space for pouring, the pump operation side and the liquid pouring side are It is conceivable that is preferably on the opposite side.
[0004]
The present invention proposes a pump-type liquid ejection container thus provided.
[0005]
[Means for Solving the Problems]
A first container body 1 having a bottom as a first means and an upper portion of a first body portion 3 having a sliding bottom plate 2 on the inner surface of the bottom portion formed in a cylinder 5 having an upper surface opening having a suction valve 4 on the bottom portion; The second body 22 having a lower end surface opening is fitted to the outer surface of the first body so that it can move up and down for a fixed stroke and is provided on the top wall 23 that closes the upper surface of the second body. A piston mounting cylinder 27 with a discharge valve 26 is suspended from a nozzle 39, and a second container body 21 is provided with a cylindrical piston 25 attached to the lower outer surface of the mounting cylinder. By vertically moving, the liquid in the first container is formed so as to be able to be discharged from the nozzle 39 through the suction valve 4 and the discharge valve 26, and has the first means and the bottom wall 6 of the first container body 1. the whole or part, is protruded downward from the lower end to form the push button 7 of the second container body second barrel 22 .
[0007]
As a second means, there is provided a peripheral wall 52 having the first means and having a lower outer diameter that is expanded downward and outward from the lower end portion of the second body portion 22 so that the lower portion has a larger outer diameter than the upper cylindrical portion. The upper cylinder part of the collar 51 having the detachable fitting was detachably fitted, and the lower end surface of the peripheral wall 52 was used as a grounding surface for standing the container.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
The first embodiment shown in FIGS. 1 and 2 will be described below. Reference numeral 1 denotes a first container body. The first container body has a bottom and a bottom body 3 having a sliding bottom plate 2 on the bottom inner surface. The upper part is a cylinder 5 having an upper surface opening and a suction valve 4 at the bottom.
[0009]
In the illustrated example, the first container body bottom plate 6 bulges downward in the center to form a push button 7, and an outside air suction hole 8 is formed in the bottom plate outer peripheral portion. Further, the cylinder-attached member 9 is fitted on the inner surface of the upper end portion of the first body portion 3 so that it cannot be pulled out. The member extends the bottom plate 10 of the cylinder 5 outward in the form of an outward flange, and the inward and outward intermediate portion of the outward flange-like wall 11 is raised and bent 12 in an inverted U shape, and its outward flange shape. The fitting wall 13 is erected from the wall outer periphery, and the lower half of the fitting wall is fitted into the upper portion of the first body portion. An engaging ridge 14 is provided on the outer surface of the intermediate portion of the fitting wall, and the upper end surface of the first body 3 is engaged with the lower surface of the engagement ridge, and is protruded from the inner surface of the first body. An upright short cylinder 16 erected from the inner periphery of the inward flange-like wall 15 is fitted into the inverted U-shaped bent portion. A suction valve hole 17 is formed in the center of the cylinder bottom plate 10, and a plurality of screw pieces project from the outer periphery of the valve plate 18 on the upper surface of the valve hole, and the tips of these screw pieces are connected to the lower inner surface of the ring 19. The ring is closed with a valve plate 18 of a known valve forming member 20 so as to be freely opened and closed by fitting the ring to the inner surface of the lower end of the cylinder. That is, the suction valve 4 is formed by the valve hole and the valve plate 18.
[0010]
Reference numeral 21 denotes a second container body. The second body portion 22 is fitted to the outer surface of the first body portion 3 so as to be movable up and down for a predetermined stroke and biased upward, and the upper surface of the second body portion is closed. A piston mounting cylinder 27 with a discharge valve 26 having a cylindrical piston 25 fitted into the cylinder upper portion described above on the lower inner surface is suspended from the periphery of the opening 24 formed in the top wall 23.
[0011]
The piston mounting cylinder in the illustrated example is a well-known one, and the bottom of the bottomed second cylinder 27b is fitted to the inner surface of the first cylinder 27a of the bottom opening that is suspended from the periphery of the opening 24, and is attached to the lower end of the second cylinder. The cylindrical piston 25 of the inner and outer double cylinders is fitted to the outer surface of the lower part of the second cylinder by placing it on the facing flange 27c, and the lower part of the first cylinder 27a is formed as a large inner diameter part through the downward stepped part 27d. The cylindrical piston 25 can be moved up and down between the outward flange 27c and the downward stepped portion 27d, and the discharge valve hole 28 formed in the lower portion of the second cylinder is opened and closed by the vertical movement. That is, the discharge valve hole and the cylindrical piston form the discharge valve 26. The piston mounting cylinder can be changed as in other known examples in which the lower end of the stem is opened, a cylindrical piston is attached to the outer periphery, and a discharge valve is further provided in the stem.
[0012]
The first container body 1 and the second container body 21 are formed so as not to be extracted by the connecting cylinder member 31. The member includes an outer periphery of the outward flange 34 attached to the outer surface of the intermediate portion of the main cylinder portion 33 that is engaged with the outer surface of the cylinder by engaging the bent portion 32 provided on the inner surface of the upper end with the upper end of the cylinder. Engage with the hook-shaped part 29 raised from the outer periphery of the upper surface of the bent bend 12 of the attached member, and engage with the outer surface of the upper end of the inverted taper cylinder 35 that projects from the outer peripheral part of the outward flange to obliquely outward. To the inner surface of the lower end of the guide tube 36, which is provided with a ridge, and the engagement ridge is suspended from the top wall 23 of the second container body and slidably fitted to the upper inner surface of the aforementioned fitting wall 13. It is engaged with the upper surface of the projecting ridge. The reverse tapered cylinder 35 is provided with a vent hole 37. A coil spring 38 biases the second container body 21 upward, and is attached between the upper surface of the outward flange 34 and the lower surface of the top wall 23 of the second container body 21 described above.
[0013]
A nozzle 39 is erected from the peripheral edge of the opening 24 of the second container body, and a palate 40 having a lid plate 41 attached to the upper end of the mouth tube via a hinge is fitted to the upper end of the nozzle.
[0014]
A flange 51 is detachably fitted to the lower end of the second container body 21. The saddle is configured such that the center portion of the partition wall 53 provided on the upper inner surface of the peripheral wall 52 expanded downward and downward is recessed downward, and the aforementioned push button 7 is accommodated in the recessed portion 54. The lower surface is provided slightly higher than the lower end surface of the peripheral wall 52, and the lower surface of the outer peripheral portion of the bottom plate 6 is placed on the upper surface of the outer peripheral portion of the partition wall 53. The eaves 51 allow the container to stand upright as shown in the drawing with the lower end surface of the peripheral wall as the ground contact surface.
[0015]
The push button 7 described above may not be provided, and in this case, a notch for pushing the bottom plate 6 may be provided at the lower end of the second body portion 22.
[0016]
In the above configuration, the liquid (fluid) is previously stored in the first container, the lid plate 41 of the palate 40 is opened as shown in FIG. When 22 is held and the push button 7 is pushed in, the first container body 1 rises with respect to the second container body 21. The suction valve 4 rises while being closed, and the cylindrical piston 25 rises together with the cylinder 5 to open the discharge valve hole 28. Then, the pressurization formed between the valve forming member 20 and the lower end surface of the piston mounting cylinder 27 The room air is discharged from the upper end of the nozzle through the discharge valve 26. The cylindrical piston 25 rises together with the cylinder 5 until the upper surface of the inner cylinder 25a contacts the downward stepped portion 27d, but after contacting the downward stepped portion 27d, it stops with respect to the piston mounting cylinder 27 and only the cylinder rises. . Next, when the push button 7 is released, the first container body 1 is lowered because it is biased. At this time, the cylindrical piston 25 is lowered together with the cylinder, and the lower end surface of the inner cylinder 25a is in contact with the outward flange 34. Close hole 28. In this way, the first container body descends while the discharge valve remains closed, and the pressure chamber becomes negative pressure by expanding the volume. Then, the suction valve 4 opens to suck in the liquid in the first container, and the liquid The slide bottom plate 2 rises due to the negative pressure due to the decrease, and the negative pressure state is eliminated.
[0017]
FIG. 3 shows a second embodiment. The second embodiment is provided in substantially the same manner as the first embodiment, and the differences will be described. The upper part of the first container body is formed in the mouth and neck part 62 via the shoulder part 61, and the mouth and neck part 62 is formed. The cylinder 5 is suspended inward by engaging an outward flange attached to the upper end of the cylinder with the upper end surface of the mouth neck through the packing. The cylinder has an opening as a suction valve hole 17 in the center of the bottom plate as in the case of FIG. 1, and has a valve forming member 20 in the bottom of the cylinder, and the suction valve 4 is formed by the opening and the valve plate 18. ing.
[0018]
The mounting cylinder 63 of the connecting cylinder member 31 is screwed into the outer surface of the container body neck portion 62, and the inward flange 64 attached to the upper end of the mounting tube and the upper end surface of the container body neck portion outward of the cylinder The flange is clamped, the inner periphery of the inward flange is bent downward, and the bent wall portion is fitted to the upper inner wall surface of the cylinder. A guide tube 65 is erected from the upper surface of the inward flange, and an engaging protrusion is provided around the outer surface of the upper end of the guide tube.
[0019]
The second container body 21 is a nozzle 39 having a small outer diameter male threaded cylinder 66 as the upper part, and an inner periphery of the flange-like top plate 67 opened from the upper end of the cylinder, and an engaging protrusion was provided from the periphery of the opening to the inner surface of the upper end. Stand up. A short cylinder 68 erected from the inner periphery of the upper end of the piston mounting cylinder 27 is fitted to the inner wall surface of the nozzle, and the hanging cylinder 70 is suspended via an outward flange 69 attached to the upper end of the piston mounting cylinder. The engaging ridge provided on the inner surface of the lower end of the hanging cylinder is engaged with the lower surface of the engaging ridge on the outer periphery of the upper end of the guide cylinder. The piston mounting cylinder 27 may be provided in the same manner as in FIG.
[0020]
81 is a cap, the peripheral wall 83 suspended from the outer periphery of the top wall 82 is screwed into the male screw cylinder above the second container body, and the plug cylinder 84 suspended from the center of the top wall is fitted into the nozzle 39. ing.
[0021]
91 is a push button protection cylinder. The cylinder 94 is suspended from the inner periphery of the inward flange-like bottom plate 93 at the lower end of the peripheral wall 92 screwed to the outer surface of the lower end of the second body 22 so as to surround the push button 7, Is provided with a notch 95 for pushing up the push button. The push button 7 is fitted from the outer periphery of the bottom plate 6 to the outer surface of the small outer diameter portion provided at the lower end of the first body portion to raise the fitting tube 96, and the fitting tube and the small outer diameter portion are uneven. A joint means is provided to prevent the bottom plate from being pulled out, and an outside air suction hole 8 is formed in a small outer diameter portion thereof. The pushbutton protection cylinder may be replaced with the aforementioned rod 51.
[0022]
Also in the case of this embodiment, the cap 81 is removed and the push button 7 is moved up and down with the second body portion 22 to suck up the liquid in the first body portion into the cylinder, and the liquid in the cylinder is sucked into the piston mounting cylinder 27. The nozzle 39 can be poured out. The negative pressure in the first body portion below the bottom plate due to the rising of the sliding bottom plate 2 is eliminated by the outside air flowing in through the outside air suction hole 8. This also applies to the first embodiment.
[0023]
【The invention's effect】
Since the present invention is configured as described above, when the second body 22 is held and the lower end of the first body 3 is pushed upward, the liquid is ejected through the nozzle at the upper end of the second container body 21 ;
Thus the liquid pouring side and liquids dispensing operation side, because provided apart in the container top and bottom, have access to it by inserting the container upper end into a narrow space such as out liquid Note, with container There is the convenience that the liquid can be dispensed with a sufficient distance between the hand or the hand to dispense the liquid and the liquid dispensed object. Further, by forming the entire bottom wall of the first container body on the push button 7, the liquid ejection operation is easy.
[0025]
As in claim 2 , the container can be erected with the lower end of the peripheral wall as a ground contact surface by detachably fitting the collar 51 having the lower peripheral wall with the lower end of the second container body. is there.
[Brief description of the drawings]
FIG. 1 is a half sectional view of a container of the present invention.
FIG. 2 is a half sectional view showing the container in a liquid dispensing state.
FIG. 3 is a half sectional view showing another embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... 1st container body 3 ... 1st trunk | drum 4 ... Suction valve 5 ... Cylinder
20 ... Valve forming member 21 ... Second container body
22 ... 2nd body part 25 ... Cylindrical piston
31 ... Connecting cylinder member 39 ... Nozzle
51… 袴 81… Cap
91 ... Push button protection cylinder

Claims (2)

A first container body 1 having a bottom and a top 5 of a first body 3 having a sliding bottom plate 2 on the inner surface of the bottom is formed in a cylinder 5 having an upper surface opening having a suction valve 4 on the bottom, and the first body A discharge valve is provided from a nozzle 39 provided on the top wall 23 that closes the upper surface of the second body part and is fitted with the second body part 22 at the lower end surface opening by being urged upward by a fixed stroke up and down to the outer surface. And a second container body 21 having a cylindrical piston 25 attached to the lower outer surface of the mounting cylinder. The first container body 1 is moved up and down with respect to the second container body. The liquid in one container is formed so as to be able to be discharged from the nozzle 39 through the suction valve 4 and the discharge valve 26, and the whole or part of the bottom wall 6 of the first container body 1 is formed in the second container body second cylinder. A pump-type liquid dispensing container characterized in that the push button 7 is formed so as to protrude downward from the lower end of the portion 22 . The upper cylindrical portion of the collar 51 having a peripheral wall 52 that is expanded outward and downward and has a lower outer diameter than the upper cylindrical portion is detachably fitted to the outer surface of the lower end portion of the second body portion 22. The pump type liquid dispensing container according to claim 1, wherein the lower end surface of the peripheral wall 52 is a grounding surface for erecting the container.

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