JP6488092B2 - Discharge container - Google Patents

Description

  The present invention relates to a discharge container.

Conventionally, a bottomed cylindrical container main body that contains contents, and a discharge device that is attached to the mouth of the container main body and discharges the content in the container main body, the discharger is the container main body There is known a discharge container provided with a suction pipe that opens onto the inner surface of the bottom of the tube.
As this type of discharge container, for example, a configuration in which an uneven portion is formed on the inner surface of the bottom portion as shown in Patent Document 1 below and the lower end opening of the suction pipe is abutted on this portion is known.

JP 2008-230632 A

  However, the conventional discharge container described above has room for improvement in discharging the contents in the container main body with less remaining amount.

  This invention is made | formed in view of such a situation, Comprising: It aims at providing the discharge container which can discharge the content in a container main body with less remaining amount.

In order to achieve the above object, the present invention provides the following means .

A discharge container according to the present invention includes a bottomed cylindrical container main body in which contents are accommodated, and a discharge device that is attached to a mouth portion of the container main body and discharges contents in the container main body. The container is a discharge container having a suction pipe that opens on the inner surface of the bottom of the container body, and the lower surface of the suction pipe is provided with a gap between the outer peripheral surface and the inner surface of the bottom A recess portion that is accommodated in a state is formed, and a portion of the inner surface of the bottom portion that avoids the recess portion extends gradually downward toward the recess portion side to open the recess portion. A support protrusion that supports the lower end opening of the suction pipe in a state where the inner side of the suction pipe communicates with the inside of the recess is disposed on the bottom surface of the recess. The upper end of the protrusion extends from the inside in the radial direction to the outside. Gradually, are formed in a curved shape extending downward, characterized in that it is inserted into the lower end opening of the siphoning pipe are in accordance buy.

In the discharge container according to the present invention, since the lower end opening of the suction pipe is supported by the support protrusion in a state where the lower end of the suction pipe is accommodated in the recess, the outer peripheral surface and the recess of the lower end of the suction pipe are supported. A gap can be provided between the inner peripheral surface of the part and the inside of the lower end opening of the suction pipe and the inside of the recess can be reliably held in communication.
Thereby, the portion of the inner surface of the bottom portion that avoids the dent portion is gradually inclined downward toward the dent portion side, and is an inclined surface that continues to the opening peripheral edge of the dent portion. When the content in the container main body becomes small, the content in the container main body can be reliably discharged with a small remaining amount in combination with the fact that it tends to gather in the recess.
Moreover, in this invention, the horizontal movement of the lower end part of a suction pipe is suppressed, and the clearance gap between the outer peripheral surface of a suction pipe and the inner peripheral surface of a hollow part can be ensured.

  In the discharge container according to the present invention, the container body surrounds the content storage portion filled with the content, the content storage portion from the outside in the radial direction, and the lower end edge is below the recess portion. It is preferable that it is formed in the double cylinder shape with the outer cylinder located in this.

  In this case, without affecting the appearance of the discharge container, the volume of the space (such as the height dimension in the vertical direction) is changed while keeping the vertical height dimension constant. The contents can be changed.

  According to the discharge container according to the present invention, the contents in the container main body can be discharged with a smaller remaining amount.

It is the longitudinal cross-sectional view made into the partial half cross section which shows the structure of the discharge container by embodiment of this invention. It is a longitudinal cross-sectional view of the container main body shown in FIG. It is the top view which looked at the bottom face of the hollow part shown in FIG. 2 from the top. It is a longitudinal cross-sectional view which shows the principal part of the discharge container by a modification. It is the top view which looked at the bottom face of the hollow part shown in FIG. 4 from the top.

  Hereinafter, an embodiment of a discharge container according to the present invention will be described with reference to the drawings.

  As shown in FIG. 1, the discharge container 1 of the present embodiment includes a bottomed cylindrical container body 2 in which the contents are stored, and the contents in the container body 2 mounted on the mouth portion 21 of the container body 2. And an overcap 4 that is detachably covered from above the discharger 3.

  The discharger 3 is mounted on the mouth portion 21 of the container body 2 via a mounting cap 35. The discharger 3 includes a main body 30 having a stem (not shown), a pressing head 31, and a suction pipe 32.

  Here, in the present embodiment, the axis passing through the center of the cross section of the container body 2 is the container axis O, and in the following, the pressing head 31 side is the upper side and the suction pipe 32 side is the lower side along the container axis O. In addition, the direction along the container axis O is the vertical direction, and in a plan view as viewed from the container axis O direction, the direction orthogonal to the container axis O is the radial direction, and the direction around the container axis O is the circumferential direction.

  The main body 30 of the discharger 3 includes an air cylinder 33 in which a push-down head 31 and an air piston (not shown) linked to the stem are slidably housed inside, and the push-down head 31 and the stem. A liquid piston (not shown) that is linked is provided with a liquid cylinder 34 slidably accommodated therein. The upper end of the suction pipe 32 is fitted inside the lower end opening of the liquid cylinder 34. A lower end opening 32 a of the suction pipe 32 opens on the inner surface of the bottom 22 of the container body 2.

  The stem is erected so as to be movable downward in an upward biased state with respect to the air cylinder 33 and the liquid cylinder 34. The mounting cap 35 has a top wall portion 35a in which an insertion hole (not shown) for inserting the pressing head 31 is formed. The mounting cap 35 is formed in a two-stage cylindrical shape having a small diameter cylinder 35b on the upper side and a large diameter cylinder 35c on the lower side. It has a crested cylindrical shape. The large-diameter cylinder 35 c is formed with a female screw portion that is screwed into the male screw portion 21 a of the mouth portion 21 of the container body 2.

  The pressing head 31 is attached to the upper end portion of the stem. The pressing head 31 includes a discharge cylinder 36 that protrudes outward in the radial direction. The inside of the discharge cylinder 36 communicates with the stem. By pressing the pressing head 31 and the stem together, the contents are supplied from the stem into the discharge cylinder 36 and discharged.

  The overcap 4 is formed in a top tube shape, and a fitting tube 41 that fits outside the small diameter tube 35b of the mounting cap 35 extends downward from the outer peripheral edge of the top wall portion.

The container main body 2 surrounds the content storage portion 20 filled with the content, the content storage portion 20 from the outside in the radial direction, and the lower end edge 26a from the bottom portion 22 (the recessed portion 23) of the container main body 2. A double cylinder is formed by the outer cylinder 26 positioned below. In the illustrated example, the outer cylinder 26 has a cylindrical shape with a lower end opening formed integrally with the content container 20.
A recess 23 is formed on the inner surface of the bottom portion 22 so that the lower end portion of the suction pipe 32 is accommodated in a state where a gap is provided between the lower end portion and the outer peripheral surface 32b. That is, a gap S is provided between the outer peripheral surface 32 b at the lower end portion of the suction pipe 32 and the inner peripheral surface 23 c of the hollow portion 23.
As shown in FIG. 2, the portion of the inner surface of the bottom portion 22 that avoids the dent portion 23 extends gradually downward toward the dent portion 23 side and continues to the opening peripheral edge portion 23 a of the dent portion 23. The surface 24 is used.

  As shown in FIGS. 1 and 3, the bottom surface 23 b of the recess 23 is provided with a support protrusion 25 that supports the lower end opening 32 a of the suction pipe 32 in a state where the inside thereof and the interior of the recess 23 are communicated with each other. It is installed. The support protrusion 25 is formed in a cross shape in plan view, and supports the lower end portion of the suction pipe 32 in a contact state.

Examples of the discharger 3 include an aerosol type and a squeeze type configuration in addition to a so-called pump type configuration as shown in FIG.
As the squeeze type, the body portion of the container body may be formed to be elastically deformable, and the body portion may be squeezed to cause the contents to be discharged from the discharge cylinder through the suction pipe.

According to the discharge container 1 by this embodiment demonstrated above, there exist the following effects.
As shown in FIG. 1, in the discharge container 1, the lower end opening 32 a of the suction pipe 32 is supported by the support protrusion 25 in a state where the lower end of the suction pipe 32 is accommodated in the recess 23. A clearance S is provided between the outer peripheral surface 32b of the lower end portion of the suction pipe 32 and the inner peripheral surface 23c of the recess portion 23, and the inside of the lower end opening portion 32a of the suction pipe 32 and the interior of the recess portion 23 are communicated with each other. It can be held securely.
Therefore, when discharging the contents in the discharge container 1, if the overcap 4 is removed and the pressing head 31 of the discharger 3 is pushed down, the suction pipe 32 causes the suction pipe 32 to bring the inside of the recess 23 of the container main body 2. The contents are sucked up, passed through the stem, and discharged from the discharge cylinder 36.

  Thus, in the discharge container 1 of this embodiment, since the inclined surface 24 is formed in the outer peripheral side of the hollow part 23 among the inner surfaces of the bottom part 22, when the content in the container main body 2 decreases. Combined with the fact that it tends to gather in the recess 23, the contents in the container body 2 can be reliably discharged with a small remaining amount.

  In the present embodiment, the content container 20 is surrounded by the outer cylinder 26 from the outside in the radial direction, and the lower end edge 26 a of the outer cylinder 26 is located below the recess 23. Without changing the appearance of the discharge container 1, for example, by changing the height of the content container 20 by changing the height of the content container 20 while keeping the vertical height constant. Can do.

  Moreover, in this embodiment, since the inclined surface 24 of the bottom part 22 of the container main body 2 is gradually inclined toward the radial center, the lower end opening part 32a of the suction pipe 32 and the container main body 2 are relatively arranged. There is an advantage that circumferential alignment is not required.

  The technical scope of the present invention is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention.

For example, in the above-described embodiment, the configuration is such that the lower end portion of the suction pipe 32 is in contact with the support protrusion 25 provided on the bottom surface 23b of the hollow portion 23, but such a configuration is used. It is not limited to. For example, as shown in FIGS. 4 and 5, the upper end 25 a of the cross-shaped support protrusion 25 </ b> A in a plan view may be inserted into the lower end opening 32 a of the suction pipe 32. The support protrusion 25A is provided apart from the inner peripheral surface 23c of the recess 23. The upper end 25a of the support protrusion 25A is formed in a curved shape that gradually extends downward as it goes from the inner side to the outer side in the radial direction. It is to be noted that the shape of the support protrusion can be changed as appropriate, for example, the support protrusion is formed in a multistage shape, the upper end thereof is formed in a small diameter portion, and the small diameter portion is inserted into the lower end opening 32 a of the suction pipe 32.
In this case, the horizontal movement of the lower end portion of the suction pipe 32 is suppressed, and a clearance S between the outer peripheral surface 32b of the suction pipe 32 and the inner peripheral surface 23c of the recess 23 can be secured.

  Moreover, the hollow part 23 may be provided with the longitudinal rib in the inner peripheral surface 23c at intervals in the circumferential direction. In this case, the inner ends of these vertical ribs abut on the outer peripheral surface 32 b of the suction pipe 32. And the clearance gap between the longitudinal ribs adjacent to the circumferential direction and the inner surface of the suction pipe 32 are connecting.

Furthermore, in the present embodiment, the content container 20 is the container body 2 surrounded by the outer cylinder 26 from the outside in the radial direction, but is not limited to this, and the outer cylinder 26 is omitted. Is also possible.
In the case where the outer cylinder 26 is not provided, a leg portion may be provided downward from the bottom portion 22 of the container main body 2 (content storage portion 20). As the leg portion, a cylindrical portion having the same diameter as the content accommodating portion 20, a plate-like rib formed radially from the outer surface of the recess portion 23, a plurality of convex ribs provided at intervals in the circumferential direction, etc. It can employ | adopt suitably independently or in combination.

  In addition, the configuration of the pressing head 31, the air cylinder 33, the liquid cylinder 34, the mounting cap 35, and the discharge cylinder 36 of the discharger 3 can be appropriately changed.

  In addition, in the range which does not deviate from the meaning of this invention, it is possible to replace suitably the component in the embodiment mentioned above by the known component, and you may combine the modification mentioned above suitably.

DESCRIPTION OF SYMBOLS 1 Discharge container 2 Container main body 3 Discharger 20 Contents storage part 21 Mouth part 22 Bottom part 23 Recessed part 23a Opening peripheral part 23b Bottom face 23c Inner peripheral surface 24 Inclined surface 25, 25A Support protrusion 25a Upper end part 26 Outer cylinder 26a Lower end edge 31 Pressing head 32 Suction pipe 32a Lower end opening 32b Outer peripheral surface O Container shaft S Gap

Claims (2)

A bottomed cylindrical container body in which the contents are accommodated, and a discharge device that is attached to the mouth of the container body and discharges the contents in the container body,
The discharge device is a discharge container comprising a suction pipe that opens on the inner surface of the bottom of the container body,
On the inner surface of the bottom portion, a lower end portion of the suction pipe is formed with a recess portion that is accommodated in a state where a gap is provided between the lower end portion and the outer peripheral surface, and
Of the inner surface of the bottom portion, the portion that avoids the recess portion is an inclined surface that gradually extends downward toward the recess portion side and continues to the opening peripheral edge portion of the recess portion.
On the bottom surface of the hollow portion, a support protrusion that supports the lower end opening of the suction pipe in a state where the inside thereof and the inside of the hollow portion communicate with each other is disposed.
The upper end of the support protrusion is formed in a curved shape extending gradually downward as it goes from the inner side to the outer side in the radial direction, and is inserted into the lower end opening of the suction pipe. . The container main body is a double cylinder by a content container filled with contents, and an outer cylinder that surrounds the content container from the outside in the radial direction and has a lower end edge positioned below the recess. The discharge container according to claim 1 , wherein the discharge container is formed in a shape.

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