JP2006089110A - Vertical pump container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vertical pump container with a virgin mechanism by securing a working member to a container body side at a pushed down position against upward force. <P>SOLUTION: A plurality of engagement protrusions 4 whose tip end circular diameter is larger than the outer diameter of a mounting tube 11 are provided protrusively from the outer face of a container body mouth/neck part 3 at the bottom of the mounting tube 11 fitted on the outer face of the mouth/neck part 3. A cover tube 41 hanging a downward tube part 42 with a plurality of notches 48 for fitting the engagement protrusions are fitted to the outer face of a vertical pump container above including the mouth/neck part having the protrusions through the first break part 43 from the bottom end of an upper tube 44. The tube 44 is provided vertically with a removal belt 45 for breaking. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a vertical pump container with a virgin mechanism.

The vertical pump is usually a mounting cylinder screwed into the container body neck and neck, the cylinder is suspended into the container body, and the working member having a nozzle at the upper end is erected by urging the cylinder upward from the inside of the cylinder. It is known that the liquid in the container is sucked into the cylinder by the vertical movement of the cylinder and the liquid in the cylinder can be ejected from the nozzle, and a so-called virgin function is provided to such a vertical pump container. (Patent Document 1).
JP-A-10-167307

  In the above conventional example, the cylinder to be removed by rupture is suspended from the peripheral wall of the pressing head with the nozzle at the upper end of the operating member, and if the cylinder is not removed, the operating member is pushed down. Although liquid ejection is not possible, in order to avoid an increase in the overall height of the pump and an increase in packaging at the time of shipment if the working member stands up above the cylinder, the working member should be Is pushed down into the cylinder and the upper part of the operating member is locked to the container body side, and the conventional example cannot be applied to such a vertical pump that holds the operating member in the lowered state.

  According to the present invention, a virgin mechanism is attached to the vertical pump container of the operating member descending state holding type as described above.

As a first means, the cylinder 21 is suspended into the container body by the mounting cylinder 11 fitted to the container body neck portion 3, and the operating member 31 having the nozzle 36 at the upper end is urged upward from the cylinder to stand up. In the vertical pump container in which the upper part of the operating member 31 is detachably fitted to the container body side at the position pushed down against the biasing,
One or a plurality of engagement protrusions 4 having a tip circle larger than the outer diameter of the mounting cylinder 11 are projected from the outer surface of the lower part of the neck portion directly below the fitting section of the mounting cylinder,
Further, a lower part covering the outer surface of the lower part of the neck part with the engagement protrusion 4 from the lower end of the upper cylinder part 44 fitted to the outer surface of the pump cylinder part above the attachment cylinder 11 and the attachment cylinder. A cover tube 41 made of synthetic resin that hangs down the cylinder portion 42 is provided,
A breaking removal band 45 is provided vertically in the upper cylindrical portion 44, and a plurality of cutout holes 48 are formed in the lower cylindrical portion 42 in which the engaging protrusions are fitted.

  As a second means, the first means is provided and the nozzle 36 is protruded long forward from the front surface of the push-down head 33 at the upper end of the operating member 31, and the vertically extending window 47 for inserting the nozzle is formed in the upper cylindrical portion 44. Drilled.

  As a third means, the mouth-and-neck part having the first or second means and having the engaging protrusion 4 is used as a large-diameter cylindrical part 3a to the upper surface of the outer peripheral part of the upper wall of the large-diameter cylindrical part. The lower end surface of the upper cylindrical portion 44 was placed, and the lower end surface of the lower cylindrical portion 42 fitted to the outer surface of the large diameter cylindrical portion 3a was placed on the upper surface of the inner peripheral portion of the shoulder portion.

  As the fourth means, the first, second, or third means is provided, the upper cylinder portion 44 is a thin-walled cylinder, and the lower cylinder portion 42 is a thick-walled cylinder.

  By forming as in claim 1, unless the cover cylinder 41 is broken and removed, the upper part of the operating member cannot be released from the upper end part side of the container body, and the virgin function can be ensured. .

  By forming as in claim 2, in the pump container in which the nozzle 36 protrudes forward from the front surface of the pressing head 33, the nozzle 36 is inserted through the vertical window 47 formed in the cover cylinder, Unless the cover cylinder 41 is broken and removed, the upper part of the operating member cannot be screwed up from the upper end side of the container body, and thus the virgin function can be made more reliable.

  According to the third aspect, the cover cylinder 41 fitted to the upper part of the vertical pump container is not rattled in the fitted state, and a stable fitted state can be obtained.

  By making it like Claim 4, fitting of the lower cylinder part 42 of the cover cylinder to the outer surface of the mouth neck part part which has the engagement protrusion 4 becomes easy, and also the 1st fracture | rupture part 43 and the removal strip 45 for a fracture | rupture are obtained. Can be easily broken.

  Referring to the drawings, reference numeral 1 denotes a container body. A lower diameter portion is a large-diameter cylindrical portion 3a from an upper end of the trunk portion through a shoulder portion 2, and a small-diameter cylindrical portion is formed from the upper end of the large-diameter cylindrical portion via an upward stepped portion. The standing neck and neck portion 3 is erected, and the small-diameter cylindrical portion is a male threaded cylinder, and a plurality of engaging protrusions 4 are projected outward at substantially equal intervals from the upper outer surface of the large-diameter cylindrical portion 3a. The upper surfaces of the engaging protrusions are bent in a tapered shape from the base end to the lower outer side.

  A mounting cylinder 11 is screwed onto the outer surface of the small-diameter cylindrical portion, and the mounting cylinder is provided with an inward flange 12 at the upper end.

  21 is a cylinder, and the outward flange 22 attached to the upper end of the cylinder is placed on the upper end surface of the container neck through the packing, and the outward flange and the packing are connected to the inward flange of the mounting cylinder. The cylinder is held between the upper end surface of the mouth and neck portion at 12 and the cylinder is suspended in the container body, and the suction pipe 23 is suspended from the lower end of the cylinder.

  Reference numeral 31 denotes an operating member that is erected upward from the inside of the cylinder. It is screwed into the inner surface of the inserted stem insertion cylinder 35, and the operating member 31 is screwed in a position pushed down against the upward bias. The stem insertion cylinder 35 projects an outward flange-shaped top plate 35b from the upper part of the long female threaded cylinder 35a fitted to the inner surface of the upper end of the cylinder, and the outer cylinder and the top wall are projected from the outer end of the top plate. The fitting cylinders are respectively suspended from the intermediate part, and the fitting cylinders are fitted to the outer surface of the cylinder part 21a raised from the upper surface of the inner peripheral part of the outward flange at the upper end of the cylinder. The actuating member 31 has a cylindrical piston at the lower end portion of the stem 32, and the pressing head 33 is fitted to the upper end portion of the stem, and a long nozzle 36 is projected forward from the front surface of the pressing head. .

  Instead of screwing the stem insertion cylinder 35 and the upper part of the push-down head, the outer wall 33a hanging from the outer periphery of the top wall of the push-down head is screwed into the outer surface of the upper part of the outer pipe of the stem insertion cylinder 35 to push it. The lowering head, and hence the operating member 31, can be pushed down to the container body side to keep the pump in a lowered state.

41 is a cover tube made of a synthetic resin having elasticity as appropriate, and in the illustrated example, the upper tube portion 44 is formed from the upper end of the lower tube portion 42 having a large thickness and a large diameter through a first break portion 43 formed by a number of break connectors. The upper cylindrical portion 44 is vertically provided with a breaking removal band 45 and perforated second breaking portions 46 on both sides of the removal band. In the illustrated example, a vertically long window 47 for inserting a nozzle is provided vertically from the upper part to the lower end of the upper cylindrical part 44. In addition, a plurality of cutout holes 48 are formed in the upper portion of the lower cylinder portion 42 for fitting the description engagement protrusion 4 having an open top surface. The lower end surface of the upper cylindrical portion 44 is placed on the outer peripheral portion of the upper wall of the large diameter cylindrical portion 3a.
By setting it as the above structures, the metal mold | die structure which shape | molds a cover cylinder becomes simple and productivity can be improved.

  As shown in FIG. 2, the cover cylinder 41 has a nozzle 36 inserted through a vertical window 47 from above the vertical pump container, and the lower cylinder part 42 is attached to the lower outer surface of the container neck, and the upper cylinder part 44 is mounted. The cylinder 11, the stem insertion cylinder 35, and the pressing head 33 are fitted to the outer surface. Engaging protrusions 4 protruding from the outer surface of the lower part of the neck of the mouth and neck are fitted into the cutout holes 48 of the lower cylindrical part 42. The fitting places the lower end surface of the lower cylindrical part 42 on the upper surface of each engaging protrusion. It is only necessary to place it forcibly and make it fit by elastic deformation.

  When the cover tube 41 is fitted, the top surface of the cover tube is almost equal to the top surface of the pressing head top wall, or the top surface of the pressing head is preferably lowered. The gap between the outer peripheral wall 33a of the push-down head 33 and the upper cylindrical portion 44 is made narrow so that it is impossible to disengage the lowering head from the container side. However, when the nozzle 36 is protruded outward into the vertically long window 47 formed in the upper cylindrical portion of the cover cylinder as in the illustrated example, the above-described engagement / disengagement is impossible, and the width of the gap does not become a problem.

  To remove the cover tube 41 from the state shown in FIGS. 1 and 3, as shown in FIG. 3, the upper end of the breaking strip 45 is picked and peeled off, and then the lower side of the removed trace is pulled downward. In this state, the upper cylindrical portion 44 is removed, and the engagement for holding the operating member at the lower limit position is disengaged to stand upward, and the operating member is pushed down and raised from this state to eject liquid from the nozzle 36. Just do it.

  In the embodiment described above, the lower end surface of the upper cylindrical portion 44 is placed on the upper surface of the upper wall outer periphery with the lower portion of the mouth-and-neck portion 3 as the large-diameter cylindrical portion 3a. The outer diameter may be the same as the diameter, and the lower part of the mouth and neck may be the same diameter as the upper part. In these cases, the inner diameters of the upper cylinder portion 44 and the lower cylinder portion 42 are the same. Moreover, the 1st fracture | rupture part is good also as the weakening line | wire which formed the perimeter with thin wall, The shape etc. are not limited to description embodiment.

It is sectional drawing of this invention container. 1 is an exploded perspective view of the container. 1 is a perspective view showing a state in which the upper end portion of the breaking strip for the container is bent outward.

Explanation of symbols

3 Mouth and neck 3a Large diameter cylinder 4 Engaging protrusion 11 Wearing cylinder
21 Cylinder 31 Actuating member
32 Stem 33 Pressing head
35 Stem insertion tube 36 Nozzle
41 Cover tube 42 Lower tube
43 First break 44 Upper cylinder
45 Removal zone 46 Second fracture
47 Vertical window 48 Notch hole

Claims (4)

The cylinder 21 is suspended into the container body by the mounting cylinder 11 fitted to the container body neck portion 3, and the actuating member 31 having the nozzle 36 at the upper end is urged upward from the inside of the cylinder to stand up and the urging force. In the vertical pump container in which the upper part of the actuating member 31 is detachably fitted to the container body at the position pushed down against
One or a plurality of engagement protrusions 4 having a tip circle larger than the outer diameter of the mounting cylinder 11 are projected from the outer surface of the lower part of the neck portion directly below the fitting section of the mounting cylinder,
Further, a lower part covering the outer surface of the lower part of the neck part with the engagement protrusion 4 from the lower end of the upper cylinder part 44 fitted to the outer surface of the pump cylinder part above the attachment cylinder 11 and the attachment cylinder. A cover tube 41 made of synthetic resin that hangs down the cylinder portion 42 is provided,
A vertical pump characterized in that a breaking removal band 45 is provided vertically in the upper cylindrical portion 44, and a plurality of cutout holes 48 are formed in the lower cylindrical portion 42 to which the respective engaging protrusions are fitted. Container body. The nozzle 36 is made to protrude long forward from the front surface of the push-down head 33 at the upper end of the operating member 31, and the vertically long window 47 for inserting the nozzle is formed in the upper cylindrical portion 44. Vertical pump container. The mouth-and-neck portion having the engaging protrusion 4 is a large-diameter cylindrical portion 3a, and the lower end surface of the upper cylindrical portion 44 is placed on the upper surface of the outer peripheral portion of the upper wall of the large-diameter cylindrical portion. The vertical pump container according to claim 1 or 2, wherein a lower end surface of the lower cylindrical portion 42 fitted to the outer surface of the large diameter cylindrical portion 3a is placed. The vertical pump container according to claim 1, 2 or 3, wherein the upper cylindrical portion 44 is a thin-walled cylinder and the lower cylindrical portion 42 is a thick-walled cylinder.