JP4066207B2 - Liquid ejection container - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an aerosol-type and vertical-pump-type liquid ejection container such as mist and foam.
[0002]
[Prior art]
The liquid ejection container is widely used. For example, an aerosol-type liquid ejection container has a vertical cylinder, usually called a stem, erected in an upward biased state through an aerosol can top wall as a container. A press-down head with a nozzle is fitted to the nozzle, and the discharge valve at the lower end of the vertical cylinder is opened by pressing the head, and liquid is ejected from the nozzle. When the press-down head is released, the vertical cylinder rises by urging and the discharge valve Is closed to stop the liquid ejection.
[0003]
In the case of the vertical pump type, a cylinder is suspended into the container body, and a vertical cylinder with a piston attached to the lower end thereof is urged upward from the cylinder, and a push-down head with a nozzle is provided at the upper end of the vertical cylinder. An operating member is provided, and the liquid in the container is sucked into the cylinder through the suction valve by the vertical movement of the operating member, and the liquid in the cylinder is pushed down through the vertical cylinder through the discharge valve. It is provided to eject from the nozzle of the head.
[0004]
[Problems to be solved by the invention]
Since the liquid ejection container ejects liquid even if the depression head is inadvertently depressed, it is desirable that the liquid ejection container cannot be depressed when not in use, that is, a safety device is provided.
According to the present invention, the safety device can be performed only by turning the push-down head about 90 degrees, and the safety device can be removed simply by returning it to its original position.
[0005]
[Means for Solving the Problems]
By urging upward from the upper surface of the container body, the vertical cylinder 22 is erected, a pressing head 51 with a nozzle is fitted to the upper end of the vertical cylinder, and the pressing head 51 is pressed down against the urging, In the liquid ejection container provided so that the liquid in the container can be ejected from the nozzle tip through the vertical cylinder 22 and the pressing head,
The mounting cylinder 32 is fitted to the outer surface of the upper part of the container body, and the engaging cylinder 37 is erected from the upper end of the mounting cylinder 32 via the inward flange-shaped top plate inner peripheral portion 36.
On the outer surface of the mounting cylinder, a cover cylinder member 31 having a long flange hole 34 drilled in the left-right direction is fitted to the inward flange 35 at the upper end of the upper cylinder portion 33, and the push-down head 51 is moved above the flange hole 34. Leave it in place
The push-down head 51 with a nozzle hangs from the top wall 53 a first fitting cylinder portion 52 fitted to the upper part of the vertical cylinder 22 and an outer peripheral wall that projects from the top wall 53 downward and outward. 54 is suspended so that the planar shape of the outer peripheral wall is an elliptical shape that can be lowered and raised into the flange hole, and the lower end of the outer peripheral wall 54 is positioned above the inward flange 35 and is pressed. When the lowering head is pushed down to the lower limit, the tip of the nozzle hole 58 is provided to be positioned above the inward flange 35,
The second fitting cylinder part 55 is suspended from the top wall portion between the first fitting cylinder 52 and the outer peripheral wall 54 so that the second fitting cylinder part can be moved up and down to the outer surface of the engagement cylinder 37. Mated,
A recess 56 is provided on the outer surface of the engagement tube 37 , and a protrusion 57 is provided on the inner surface of the second fitting tube portion 55 so as to be slidable in the circumferential direction in the recess 56 .
By rotating the pressing head with respect to the covering cylinder member 31, when the protrusion 57 is engaged with one side surface of the recess 56 , the pressing head 51 can be lowered into the flange hole, and the recess When the protrusion 57 is engaged with the other side surface of 56 , the lower surface of both end portions in the longitudinal direction of the pressing head outer peripheral wall is formed so as to be able to be placed on the upper surface of the inward flange 35.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, a drawing illustrating an example of a known pressure accumulation type vertical pump type liquid spray container will be described. Reference numeral 1 denotes a container body that erects the neck 2 from the upper end of the trunk part through the shoulder.
A cylinder 11 is suspended in the container body by placing an outward flange 12 attached to the upper end of the container on the upper end surface of the mouth and neck through packing, and a suction pipe 13 is suspended from the lower end of the cylinder. is doing.
[0007]
From the inside of the cylinder, the actuating member 21 in which a pressing head with a nozzle is fitted to the upper end of the vertical cylinder 22 is urged upward to stand. Incidentally, reference numeral 23 denotes a large-diameter cylinder unique to the pressure accumulating pump, and a standing cylinder portion 24 standing from its upper wall is fitted to the inner surface of the first fitting cylinder portion depending from the pressing head. The pressing head with the nozzle will be described later for convenience of explanation.
[0008]
31 is a cover cylinder member that stands by attaching the mounting cylinder 32 to the upper part of the container body 1, and an upper cylinder part 33 is erected from the mounting cylinder 32, and an ellipse provided at the upper end of the upper cylinder part so as to extend in the left-right direction. An inward flange 35 having a shaped flange hole 34 is provided.
[0009]
The covering cylinder member 31 shown in the figure protrudes from the upper end of the mounting cylinder 32 screwed to the outer surface of the mouth-and-neck part in an inward flange-like manner and protrudes the engaging cylinder 37 from the inner edge of the inner peripheral part. The outer peripheral portion 38 of the top plate protrudes outward in the form of an outward flange from the upper end of the mounting tube, the outer tube 39 is suspended from the outer peripheral portion of the top plate, and the outer tube is extended upward, and the outer surface of the outer tube is The cover tube 40 having the inward flange 35 is fitted, and the top plate outer peripheral portion 38, the outer tube 39, and the cover tube 40 form the upper tube portion 33.
[0010]
The pressing head with nozzle 51 has an outer peripheral wall that hangs down from the top wall 53 and protrudes from the top wall 53 downward and outward from the first fitting cylinder portion 52 fitted to the upper end of the vertical cylinder 22 described above. Drip 54. As shown in FIGS. 2 and 4, the pressing head has an elliptical shape that can be lowered and raised into the flange hole 34 described above. In the illustrated example, the second fitting cylinder portion 55 is suspended from the top wall portion between the first fitting cylinder portion 52 and the outer peripheral wall 54 and is fitted to the outer surface of the engagement cylinder 37 so as to be movable up and down. In the illustrated example, a concave groove 56 is provided laterally in the range of about 90 degrees when viewed from above on the outer surface of the engagement cylinder 37, and the inner surface of the second fitting cylinder portion 55 can slide in the concave groove in the circumferential direction. When the protrusion 57 is provided vertically, and the push-down head 51 is positioned above the flange hole 34 so as to be able to descend into the flange hole as shown in FIG. 3, the protrusion 57 is in contact with one end of the groove 56, and As shown in FIG. 4, when the pressing head 51 moves to a position orthogonal to the flange hole 34, the protrusion 57 is provided in contact with the other end of the groove 56.
[0011]
The lower end of the outer peripheral wall 54 of the pressing head 51 is provided so as to be located above the upper surface of the inward flange 35, and the tip of the nozzle hole 58 is located above the inward flange 35 even when the pressing head 51 is pressed to the lower limit. Provide to be located. Further, the lower surface of both ends in the longitudinal direction of the pressing head outer peripheral wall 54 is provided on the upper surface of the inward flange 35 by rotating the pressing head 51 with respect to the covering cylinder member 31. A concave portion is provided on the upper surface of the intermediate portion in the longitudinal direction of the pressing head, and the concave portion is a finger pressing concave portion for pressing the head.
[0012]
1, 2, and 3 in the above configuration, the pressing head 51 can be pressed down with respect to the container body and the covering cylinder, and the liquid is ejected from the nozzle hole 58 in the pressed state.
[0013]
Further, the vertical cylinder 22 biased by the release of the push-up moves up, and the push-down head returns to the position shown in the drawing.
[0014]
Next, as shown in FIG. 4, when the pressing head 51 is turned with respect to the container body, the covering cylinder, etc., and the longitudinal direction of the pressing head is orthogonal to the longitudinal direction of the flange hole 34, the longitudinal direction of the outer peripheral wall 54 The lower surfaces of the both end portions are placed on the upper surface of the inward flange 35 so that the pressing head cannot be pressed down.
[0015]
In the above embodiment, since the outer diameter of the mouth and neck portion 2 is remarkably smaller than the outer diameter of the container body trunk portion, the outer diameter of the upper tube portion 33 is larger than the outer diameter of the mounting tube 32. However, by increasing the diameter of the cylinder portion into which the mounting cylinder 32 is fitted, the mounting cylinder and the upper cylinder portion 33 can have the same diameter.
[0016]
When the container body is an aerosol can instead of the embodiment described above, naturally, without providing a cylinder or the like, from the central portion of the top wall that seals the top surface of the can, the stem corresponding to the vertical cylinder is erected upward to stand, A pressing head with a nozzle is fitted to the upper end of the stem.
[0017]
【The invention's effect】
The present invention is configured as described above, and the upper cylinder portion 33 is erected from the mounting cylinder fitted to the outer upper surface of the container body, and an inward flange 35 having an elliptical flange hole 34 at the upper end of the upper cylinder portion. And a press-down head 51 with a nozzle is fitted to the upper end of the vertical cylinder 22 that is erected upward from the upper surface of the container body, and the press-down head can be lowered and raised into the nozzle hole. An elliptical outer peripheral wall 54 is attached, and the lower surface of both ends of the pressing head outer peripheral wall in the longitudinal direction is placed on the upper surface of the inward flange 35 by rotating the pressing head 51 with respect to the covering cylindrical member 31. Thus, when not in use, it is very easy to make it impossible to press down the pressing head, and the structure of the upper cylindrical portion 33 has an elliptical flange hole 34. The outer peripheral wall plane shape is an elliptical shape corresponding to the flange hole, respectively. In the state where the push-down head cannot be pushed down, the push-down head is in a state perpendicular to the flange hole. There is a convenience that makes it easy and reliable to distinguish whether or not there is.
[Brief description of the drawings]
FIG. 1 is a half sectional view of a container of the present invention as seen from the front side.
FIG. 2 is a plan view of the container.
FIG. 3 is a half sectional view of the container as seen from the side.
4 is a plan view showing a state in which the pressing head is rotated 90 degrees from the state shown in FIG. 2;
[Explanation of symbols]
31 ... Covering cylinder member 33 ... Upper cylinder part
34… Flange hole 35… Inward flange
51 ... Pressing head 54 ... Outer wall

Claims (1)

The vertical cylinder 22 is erected upward from the upper surface of the container body, and a pressing head 51 with a nozzle is fitted to the upper end of the vertical cylinder, and the pressing head 51 is pressed down against the urging, In the liquid ejection container provided so that the liquid in the container can be ejected from the nozzle tip through the vertical cylinder 22 and the pressing head,
The mounting cylinder 32 is fitted to the outer surface of the upper part of the container body, and the engaging cylinder 37 is erected from the upper end of the mounting cylinder 32 via the inward flange-shaped top plate inner peripheral portion 36.
On the outer surface of the mounting cylinder, a cover cylinder member 31 having a long flange hole 34 drilled in the left-right direction is fitted to the inward flange 35 at the upper end of the upper cylinder portion 33, and the push-down head 51 is moved above the flange hole 34. Leave it in place
The push-down head 51 with a nozzle hangs from the top wall 53 a first fitting cylinder portion 52 fitted to the upper part of the vertical cylinder 22 and an outer peripheral wall that projects from the top wall 53 downward and outward. 54 is suspended so that the planar shape of the outer peripheral wall is an elliptical shape that can be lowered and raised into the flange hole, and the lower end of the outer peripheral wall 54 is positioned above the inward flange 35 and is pressed. When the lowering head is pushed down to the lower limit, the tip of the nozzle hole 58 is provided to be positioned above the inward flange 35,
The second fitting cylinder part 55 is suspended from the top wall portion between the first fitting cylinder 52 and the outer peripheral wall 54 so that the second fitting cylinder part can be moved up and down to the outer surface of the engagement cylinder 37. Mated,
A recess 56 is provided on the outer surface of the engagement tube 37 , and a protrusion 57 is provided on the inner surface of the second fitting tube portion 55 so as to be slidable in the circumferential direction in the recess 56 .
By rotating the pressing head with respect to the covering cylinder member 31, when the protrusion 57 is engaged with one side surface of the recess 56 , the pressing head 51 can be lowered into the flange hole, and the recess 56. A liquid ejection container, wherein the lower surface of both ends in the longitudinal direction of the pressing head outer peripheral wall is formed so that it can be placed on the upper surface of the inward flange 35 when the protrusion 57 is engaged with the other side surface of the 56 .

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