JP2005320045A - Pumping container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To adapt a pumping container for discharging a content liquid by a predetermined quantity by operating a suction pump to the discharge of a highly viscous fluid material. <P>SOLUTION: The suction pump 3 for sucking a highly viscous fluid material A and discharging it by every predetermined quantity by pushing down a pushdown head 3c is provided on a mouth 2a of a container body 1 in which the material A is stored. A dropping lid 4 covering the surface of the fluid material is slidably mounted on a suction tube 3e protruding on a lower part of the pump. In addition, at a suction port 3f at the lower end of the suction tube, an attachment 6 for making an aperture area of the suction port smaller than a cross-sectional area of the suction tube is attached to increase suction force by the pump per unit area and prevent the fluid material sucked into the suction tube from returning. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a pump discharge container that contains a relatively viscous liquid such as a shampoo or a treatment, and sucks up and removes the liquid by a suction pump provided at a container mouth.

  As a container for liquid cosmetics such as shampoos and rinses, a suction pump is provided at the mouth, and by pushing down the push-down head provided at the upper end of this suction pump, the liquid content is sucked up and sucked up by a certain amount. 2. Description of the Related Art A pump discharge container in which a content liquid is taken out from a discharge port provided on a side of the push-down head has been widely known.

  However, this type of pump discharge container sucks up the liquid by making the inside of the suction pipe connected to the cylinder portion of the pump negative pressure by the action of the pump, so that the stored liquid is viscous. If it is creamy, the resistance is high, and there is a problem that it is necessary to repeatedly push down the pressing head, which is referred to as “coloring” at the start of use, or the content liquid cannot be sucked up at all. It was.

  However, paying attention to its convenience, the desire to be able to take out high-viscosity cosmetics such as hair treatments by a predetermined amount with such a suction pump is particularly strong in the science and beauty industry. Various pump containers corresponding to viscous solutions have been developed.

  For example, by providing a plate-like member having an insertion hole through which the suction pipe penetrates inside the container main body so as to be movable in the vertical direction, the plate-like member is floated on the surface of the liquid and functions like a drop lid. In some cases, pressure was applied to the surface of the contained liquid, and the liquid was easily pushed up into the suction pipe, which became negative pressure by the suction pump. (For example, refer to Patent Document 1).

In addition, this type of high-viscosity solution has a problem that it is difficult to completely suck up the solution remaining in the container. In some cases, the bottom of the inner container is moved so that the bottom of the inner container comes close to the suction pipe with use by attaching a suction pump to the mouth of the inner container in an airtight manner. (For example, refer to Patent Document 2).
Japanese Utility Model Publication No. 3-35209 (page 2-3, FIG. 2) JP-A-7-112754 (page 3-4, FIG. 1)

  Among the conventional pump discharge containers described above, those provided with a plate-like member that functions like the former drop lid act so that the gravity of this plate-like member pushes up the content liquid into the suction pipe. Even if it is a liquid with a high viscosity, it can be taken out, but for a liquid with a high viscosity, the lifting force is insufficient. Had the problem of not being able to.

  In addition, since the latter using the bellows container requires an bellows container that is an inner container in addition to the outer container, there is a problem that the cost of the container itself increases, and this bellows container is reused. However, since it cannot be disposed of, it is contrary to the recent trend of resource saving. Furthermore, in this pump discharge container, the bellows container shrinks as the contents liquid is taken out, and its bottom surface rises. Therefore, when a liquid material with high viscosity and large specific gravity is stored, it is difficult to suck it up. As with the above, this also has the problem of having to make many strokes at the start of use.

  This invention makes it a subject to solve the problem which the said conventional pump discharge container for high viscosity solutions had.

  In order to solve the above-mentioned problems, the invention according to claim 1 of the present invention sucks up the liquid material into the mouth of the container main body containing the high-viscosity liquid material by the depressing operation of the depressing head. A suction pipe that protrudes below the suction pump in a pump discharge container that is equipped with a suction pump that discharges a predetermined amount, and a ring-shaped drop lid that is placed on the liquid material is mounted in the container body so as to be movable up and down. At the lower end of the suction port, the opening area of this suction port is made smaller than the cross-sectional area of the suction pipe continuous above it, increasing the suction force per unit area by the pump and returning the liquid material sucked into the suction pipe It is characterized in that an attachment serving as a means for suppressing this is attached.

  According to a second aspect of the present invention, in the configuration of the first aspect of the present invention, the attachment has a cylindrical body in which the lower end opening is reduced in diameter, or a net-like filter is attached to the lower end opening to reduce the opening area. It is characterized by being limited.

  The invention described in claim 3 is characterized in that, in the configuration of the invention described in claim 1 above, the attachment is limited to a plate-like body twisted in the axial direction inserted into the suction pipe.

  Among the present inventions, in the first aspect of the present invention, the suction force of the pump is increased and the suction pipe is sucked up in spite of a simple configuration in which an attachment is attached to the lower end suction port of the suction pipe. Since the return of the liquid material is suppressed, the highly viscous liquid material can be sucked up efficiently, and there is an effect that the pushing-down head at the start of use is less affected.

  Further, since the conventional pump discharge container can be used as it is, there is an effect that it is possible to easily cope with the change of the contents and the cost burden for that can be minimized.

  In the invention of claim 2, since the attachment has a cylindrical body in which the lower end opening is reduced in diameter or a net-like filter is attached to the lower end opening, it can be easily attached to the suction pipe and mixed into the content liquid. This has the effect of effectively preventing foreign matter from being sucked into the pump.

  In the invention according to claim 3, since the plate-like body twisted in the axial direction of the suction pipe is inserted into the suction pipe, the cost of the invention according to claim 1 can be reduced with the least number of members. An effect can be obtained. Further, since this plate-like body is inserted into the suction pipe, there is no need for a space for attaching an attachment below the suction pipe, and any processing such as shortening the suction pipe is unnecessary.

  Hereinafter, the present invention will be described in detail based on the best mode shown in the drawings.

  FIG. 1 is a half longitudinal sectional view showing a pump discharge container according to the present invention. As shown in the figure, this pump discharge container includes a bottomed substantially cylindrical container body 1 in which the liquid A is accommodated, and a shoulder member 2 that also serves as an upper lid attached to close the upper opening 1a of the container body 1. And a suction pump 3 for manual operation attached to a mouth 2a provided in the center of the shoulder member 2.

  The suction pump 3 includes a substantially cylindrical cylinder portion 3a located in the mouth portion 2a, an operation rod 3b protruding upward from the cylinder portion 3a, a push-down head 3c attached to the upper end of the operation rod 3b, It is a conventionally known one having a nozzle portion 3d for discharging the content liquid provided on the side of the push-down head 3c and a suction pipe 3e formed to extend below the cylinder portion 3a. The suction pipe 3e communicates with the inside of the cylinder portion 3a, and the suction port 3f at the lower end thereof extends to a position near the bottom portion 1b of the container body 1.

  Further, in this suction pipe 3e, a substantially ring-shaped drop lid 4 provided in the center with an insertion hole 4a through which the suction pipe 3e passes can move in the container main body 1 in the vertical direction along the suction pipe 3e. As shown in FIG. The seal ring 5 has a substantially cylindrical shape with a flange 5a for pulling operation at the upper end, and holds the drop lid 4 fixed on the outside and is slidably inserted into the suction pipe 3e. It is worn.

  The pump discharge container accommodates a liquid material A having a relatively high viscosity such as a hair treatment, cosmetic cream, shampoo, hairdressing agent, and the like, and the dropping lid 4 covers the surface of the liquid material A. In addition, a force in the direction of pushing up the liquid material A is introduced into the suction pipe 3e, which has become negative pressure by the action of a pump mechanism (not shown) built in the cylinder portion 3a. It is an auxiliary action.

  Here, in the pump discharge container of the present invention, the cylindrical attachment 6 is inserted into the suction port 3 f at the lower end of the suction pipe 3. As shown in the enlarged perspective view of FIG. 2, the attachment 6 has a cylindrical body with a reduced diameter at the lower end opening 6a, or a net-like filter 6b attached to the lower end opening as shown in the enlarged perspective view of FIG. It is comprised by the cylindrical body. Therefore, with this attachment 6, the suction port 3f at the lower end of the suction pipe 3e has an opening area that is smaller than the cross-sectional area of the suction pipe 3e continuous on the upper side.

  The pump discharge container of the present invention has the above configuration.

  The operation lock 3b is always biased in the protruding direction by a spring (not shown) built in the cylinder portion 3a. The operation rod 3b is locked and held in a state of being immersed in the cylinder portion 3a against a biasing force of a spring by a locking means such as a screw (not shown).

  Next, the function of the pump discharge container of the present invention having the above-described configuration will be described. First, the pump discharge container cannot be operated by the push-down head 3c when it reaches the user's hand as in the conventional case. In a state where it is pushed down, it is held. This is for preventing the liquid A from being discharged due to the pressing head 3c being pressed down carelessly at the sales and distribution stage. Therefore, prior to use, first, it is necessary to remove the locking means that holds and holds the operating rod 3b in the immersed state by rotating the push-down head 3c. In this way, the operating rod 3b that is projected and urged by the spring protrudes so as to be pushed above the cylinder portion 3a. In this state, the push-down head 3c is pushed down, the pump mechanism built in the cylinder portion 3a is operated, and the liquid material A is sucked up from the suction pipe 3e. At the beginning of use, the inside of the suction pipe 3e is a gap. For this reason, it is necessary to perform an operation referred to as Karakata that repeatedly depresses the push-down head 3c, and sucks up the liquid A using the inside of the suction pipe 3e as a negative pressure. However, as described above, the container body contains the high-viscosity liquid A, so that the resistance is large and it cannot be sucked up easily as it is. However, in the pump discharge container of the present invention, the suction pipe Since the attachment 6 for reducing the opening area is attached to the suction port 3f at the lower end of 3e, the suction force per unit area by the pump increases, and the drop pressure of the drop lid 4 placed on the surface of the liquid A As a result, the liquid A is smoothly guided into the suction pipe 3e and rises in the suction pipe 3e. Further, since the attachment 6 has a small opening area, the attachment 6 also functions to suppress the flow of the liquid material A once sucked into the suction pipe 3e so as not to return immediately. Therefore, the liquid material A sucked into the suction pipe 3e does not reversely return even during the intermittent stroke operation, and gradually rises in the suction pipe 3e and eventually fills the cylinder portion 3a to the nozzle. It is discharged from the part 3d.

  Thus, in the pump discharge container of the present invention, the liquid material A can be sucked up with a small number of strokes at the start of use and can be shifted to a use state in which it can be taken out from the nozzle portion 3d for each predetermined amount.

  Table 1 below shows a comparison between the pump discharge container of the present invention and a conventional pump discharge container without an attachment, which were tested on a predetermined item three times under the same conditions. As is apparent from the table, in any case, it can be seen that the pump discharge container of the present invention equipped with the attachment has a smaller number of times of color strike at the first discharge.

  Further, as is apparent from Table 1, in the pump discharge container of the present invention, a highly viscous liquid material can be efficiently taken out, so that the remaining amount of the liquid material remaining without being taken out at the bottom of the container body is reduced, and as a result Therefore, the number of discharges that can be used is increased, and economic efficiency is improved.

  As described above, the pump discharge container of the present invention is suitably used for taking out a predetermined amount of a high-viscosity liquid material.

  FIG. 4 shows another example of the attachment 7 attached to the suction port 3f of the suction pipe 3e. In this case, a plate-like body 7 made of a thin metal plate or a synthetic resin twisted in the axial direction of the suction pipe 3e is inserted into the suction pipe 3e. The function of reducing the opening area to increase the suction force per unit area by the pump and suppressing the return of the liquid A sucked into the suction pipe 3e is not different from the above.

It is the half longitudinal cross-sectional view which showed embodiment of the pump discharge container of this invention. It is the perspective view which showed an example of the attachment. It is the perspective view which showed the other example of the attachment. It is the perspective view which showed the further another example of the attachment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Container main body 1a Top opening 1b Bottom part 2 Shoulder member 2a Mouth part 3 Suction pump 3a Cylinder part 3b Operation rod 3c Depressing head 3d Nozzle part 3e Suction pipe 3f Suction port 4 Drop cover 4a Insertion hole 5 Seal ring 5a Mouth part 6 Touch ring )
6a Opening 6b Filter 7 Attachment (plate-like body)

Claims (3)

A suction pump that sucks up and discharges the liquid material by a depressing operation of the push-down head is attached to the mouth of the container body containing the highly viscous liquid material, and is placed on the liquid material in the container body. In a pump discharge container equipped with a ring-shaped drop lid that can be moved up and down,
At the lower end suction port of the suction pipe that protrudes downward from the suction pump, the opening area of this suction port is made smaller than the cross-sectional area of the suction pipe continuous above it, and the suction force per unit area by the pump is increased and the suction A pump discharge container provided with an attachment as a means for suppressing the return of the liquid material sucked into the pipe 2. The pump discharge container according to claim 1, wherein the attachment is a cylindrical body in which a lower end opening is reduced in diameter or a net-like filter is attached to the lower end opening to reduce an opening area. 2. The pump discharge container according to claim 1, wherein the attachment is a plate-like body twisted in an axial direction inserted into the suction pipe.

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