JP5339082B2 - Metered discharge container - Google Patents

Description

  The present invention relates to a quantitative discharge container that discharges a predetermined amount of a liquid material (for example, lotion) in a container.

  As a conventional technique related to the above-described fixed-quantity discharge container, Patent Document 1 discloses that the fixed-quantity discharge container includes a storage chamber that is defined by a top plate of the container main body, a mouth cylinder, and an outer wall, and an inner surface of the top wall of the cap. A measuring chamber is provided in a cylindrical partition wall provided in the center, and a spout is provided on the top wall of the cap at the end facing the hinge. Let the metering chamber flow into the measuring chamber, then return the metering discharge container to the upright state, let the contents flow out from the metering chamber to the storage chamber, and open the open / close lid to invert the metering container The contents stored in the storage chamber are discharged through the spout, but since the contents have already been measured and stored in the measuring chamber, an accurate amount of the content is discharged from the spout. Is disclosed.

JP 2006-151461 A

  However, in the quantitative discharge container according to Patent Document 1 described above, when the open / close lid is opened and the container is turned upside down, the contents are discharged at a stroke, which may cause inconvenience for the user, and there is still room for improvement.

  This invention is made | formed in view of this point, and it aims at providing the fixed quantity discharge container which is easy to use and can discharge a fixed quantity liquid substance.

The present invention provides, as means for solving the above-mentioned problems, the invention described in claim 1 is a container provided with a metering extrusion device at the mouth of a deformable container, and the metering extrusion device has a small-diameter opening. A liquid material outflow passage comprising a portion and a large-diameter opening, and a sliding member is slidably provided in the outflow passage. The sliding member includes an upper sliding portion, a lower sliding portion, and And a liquid reservoir provided between the two and a bottom plate having a flow part for flowing a liquid material provided in the lower sliding part, wherein the upper and lower sliding parts are The bottom plate portion is adapted to the large-diameter opening, and the sliding member is exposed to the outside from the position where the upper sliding portion contacts the small-diameter opening. In addition, the lower sliding portion is slidable to a position where it comes into contact with the small-diameter opening.
In the invention of claim 1, the quantitative extrusion device is in a state where the upper sliding portion of the sliding member is in contact with the small-diameter opening in the initial state, and when the container is inverted, the liquid material in the container is slid. The fluid flows into and is stored in the outflow passage via a flow portion provided in the bottom plate portion of the moving member, and is filled in the liquid reservoir portion of the sliding member. Then, when the inner pressure is increased by pushing the middle of the container body and the sliding member is slid to a position where the lower sliding portion comes into contact with the small-diameter opening of the outflow passage, the liquid reservoir is exposed to the outside. A fixed amount of liquid filled in the liquid reservoir is discharged to the outside.

The invention described in claim 2 is characterized in that, in the invention described in claim 1, the liquid reservoir portion is constituted by an annular recess.
According to the second aspect of the present invention, the liquid reservoir can be easily formed between the upper sliding portion and the lower sliding portion.

The invention described in claim 3 is the urging force for returning the upper sliding portion of the sliding member to the position in contact with the small-diameter opening in the outflow passage in the invention described in claim 1 or 2. A member is arranged.
In the invention of claim 3, the sliding member can be quickly returned to the initial position by the biasing force of the biasing member.

According to the metering discharge container of the present invention, when the liquid material is metered out to the outside, when the container is turned upside down and the middle of the container is pushed, the internal pressure of the container rises, and the sliding member in the outflow passage becomes The liquid reservoir is projected to a position where it is exposed to the outside, and a fixed amount of liquid material is discharged from the liquid reservoir.
As a result, it is possible to avoid a situation in which the contents are discharged at once when the container is turned upside down by opening the open / close lid, and the liquid material in the container is quantitatively discharged to the outside by the user's intention. It is possible to improve usability.

FIG. 1 is a partial cross-sectional view of a container according to a first embodiment of the present invention. 2A and 2B show a sliding member, where FIG. 2A is a cross-sectional view and FIG. 2B is a bottom view. FIG. 3 is a diagram showing stepwise a method for quantitatively discharging a liquid material to the outside using the container according to the first embodiment of the present invention. 4 is a cross-sectional view of the container shown in FIG. 1 in which a coil spring is disposed in the outflow path. FIG. 5 is a partial cross-sectional view of a container according to the second embodiment of the present invention.

Hereinafter, the best mode for carrying out the present invention will be described in detail with reference to FIGS.
First, the container 1a which concerns on the 1st Embodiment of this invention is demonstrated based on FIGS. 1-3.
The container 1a according to the first embodiment of the present invention is a fixed quantity in which a liquid material (for example, a lotion) in the container body 2 made of a deformable synthetic resin is quantitatively discharged to the outside via the quantitative extrusion device 7a. It is configured as a discharge container.
As shown in FIG. 1, the container 1 a according to the first embodiment is configured by fitting a cap body 4 including a quantitative extruding device 7 a into a container port 3 of a container body 2. A cap body 5 is connected to the cap body 4 via a hinge portion 6. The cap body 4, the hinge 6 and the lid 5 are made of synthetic resin.
The fixed amount extrusion device 7a is provided in the cap body 4 with a cylindrical outflow portion 10 having an outflow passage 30 composed of a small diameter opening portion 10a and a large diameter opening portion 10b, and an outflow passage 30 in the cylindrical outflow portion 10 up and down. The sliding member 25 is slidable in the direction.

More specifically, as shown in FIG. 1, the cap body 4 includes a body portion 12 that is suspended downward from the outer peripheral edge of the top surface portion 11, and a top surface portion 11 that is concentrically inside the body portion 12. A cylindrical engaging portion 13 that is suspended downward from the container mouth 3 and engages with the peripheral wall 15 of the container port 3, and passes through a substantially central portion in plan view of the top surface portion 11 inside the cylindrical engaging portion 13. A cylindrical outflow portion 10 extending in the direction is formed. Further, an annular seal portion 14 having a triangular cross section that presses the top surface portion of the container port 3 on a concentric circle protrudes from the lower surface of the top surface portion 11 inside the cylindrical engagement portion 13. Further, an annular protrusion 17 is formed on the inner circumferential surface of the lower portion of the cylindrical engagement portion 13.
The cylindrical outflow portion 10 includes an outflow passage 30 that is substantially circular in shape and extends in the axial direction. The outflow passage 30 has a small-diameter opening 10a that extends upward from the top surface portion 11 and the top surface portion 11 as a boundary. And a large-diameter opening 10b extending downward. The outer diameter of the peripheral wall where the large-diameter opening 10 b is formed in the cylindrical outflow portion 10 substantially matches the opening diameter of the container port 3. In addition, a bent portion 18 that is bent inward to support the sliding member 25 is formed on the lower peripheral wall of the cylindrical outflow portion 10. Furthermore, a single annular protrusion 19 is provided on the outer peripheral surface of the peripheral wall where the small-diameter opening 10a is formed in the cylindrical outflow part 10. In addition, the front-end | tip peripheral wall in which the small diameter opening part 10a is formed in the cylindrical outflow part 10 is formed in the taper shape which becomes tapered.

  As shown in FIG. 1, the lid body 5 is suspended downward from the top surface portion 21 on a concentric circle inside the trunk portion 22, and a trunk portion 22 suspended downward from the outer peripheral edge of the top surface portion 21. It is comprised from the cylindrical engaging part 23 engaged with the surrounding wall which forms the small diameter opening part 10a in the cylindrical outflow part 10 of the cap main body 4. FIG. A single annular protrusion 24 is provided on the inner peripheral surface of the cylindrical engagement portion 23.

As shown in FIGS. 1 and 2, a substantially cylindrical sliding member 25 is slidably arranged in the vertical direction in the cylindrical outflow portion 10 of the cap body 4.
The sliding member 25 is integrally formed from an upper sliding portion 26a, a lower sliding portion 26c, an annular recess 26b that is a liquid reservoir disposed therebetween, and a lower end outer peripheral surface of the lower sliding portion 26c. And an annular bottom plate portion 26d projecting from the bottom. The outer diameters of the upper sliding portion 26 a and the lower sliding portion 26 c are substantially the same, and substantially coincide with the inner diameter of the small-diameter opening 10 a of the cylindrical outflow portion 10 provided in the cap body 4. Further, as can be seen from FIGS. 1, 3 (c) and 3 (d), the axial length (height) of the upper sliding portion 26a of the sliding member 25 and the axial length of the annular recess 26b. The (height) and the axial length (height) of the lower sliding portion 26c substantially coincide with each other, and substantially coincide with the axial length (height) of the small-diameter opening 10a of the tubular outflow portion 10. As will be described in detail later, as shown in FIG. 3 (d), when the sliding member 25 protrudes from the cylindrical outflow portion 10 to the maximum extent, the lower end of the annular recess 26b of the sliding member 25 becomes the cylindrical outflow portion 10 ( The annular recess 26b is exposed to the outside in substantially the entire axial direction so as to substantially coincide with the upper end of the small-diameter opening 10a).

Further, as shown in FIGS. 1 and 2, the outer diameter of the annular bottom plate portion 26 d provided at the lower end of the sliding member 25 is substantially the same as the inner diameter of the large-diameter opening 10 b of the cylindrical outflow portion 10 of the cap body 4. To do. A plurality of groove portions 28 are formed on the outer periphery of the annular bottom plate portion 26d at intervals in the circumferential direction. Each of the grooves 28 corresponds to a circulation part that circulates the liquid material in the container body 2 to the outflow passage 30. A concave portion 29 having a substantially circular shape in plan view is formed at a predetermined depth in the approximate center of the lower surface of the sliding member 25.
In the present embodiment, the axial lengths (heights) of the upper sliding portion 26a, the annular concave portion 26b, and the lower sliding portion 26c of the sliding member 25 are the same as those of the small-diameter opening 10a of the cylindrical outflow portion 10. Although it is set substantially equal to the axial length (height), it is preferably set slightly longer than the axial length (height) of the small-diameter opening 10a.
In the first embodiment, the sliding member 25 is formed in a substantially cylindrical shape, but may be formed in a polygonal column shape. In this case, the small diameter opening 10a and the large diameter opening 10b are also formed. It is formed in a shape corresponding to it. Furthermore, in the first embodiment, the liquid reservoir is formed as the annular recess 26 and is partitioned between the upper sliding portion 26a and the lower sliding portion 26c. Any structure in which a space portion is formed between the portion 26a and the lower sliding portion 26c may be used.

And the container 1a which concerns on the 1st Embodiment of this invention is comprised as follows.
First, as shown in FIGS. 1 and 3A, the sliding member 25 is disposed in the cylindrical outflow portion 10 of the cap body 4, and the axial range of the upper sliding portion 26 a of the sliding member 25 is substantially the entire range. And the outer peripheral surface of the annular bottom plate portion 26d provided at the lower end of the sliding member 25 is in contact with the inner peripheral surface of the small-diameter opening 10a of the cylindrical outflow portion 10 of the cap body 4. The sliding member 25 is supported by a bent portion 18 provided at the lower end of the cylindrical outflow portion 10 in contact with the inner peripheral surface of the lower end of the large-diameter opening 10b.
As a result, the sliding member 25 is supported so that the outflow path 30 in the cylindrical outflow portion 10 is slidable in the vertical direction, and the annular recess 26b provided in the sliding member 25 has a large diameter of the cylindrical outflow portion 10. It comes to the outflow path 30 in the range of the opening 10b.

  The sliding range of the sliding member 25 is the position shown in FIGS. 1 and 3A, that is, the entire axial range of the upper sliding portion 26a of the sliding member 25 is the small diameter opening of the cylindrical outflow portion 10. The lowermost position where the annular bottom plate portion 26d contacts the bent portion 18 while contacting the portion 10a and the position shown in FIG. 3D, that is, the substantially entire range in the axial direction of the annular recess 26b of the sliding member 25 are external. And the substantially entire range in the axial direction of the lower sliding portion 26c contacts the small diameter opening 10a, and the annular bottom plate portion 26d is located between the small diameter opening 10a and the large diameter opening 10b of the cylindrical outflow portion 10. This is a range between the uppermost position in contact with the step portion 31.

Subsequently, as can be seen from FIGS. 1 and 3A, the cap body 4 is covered with the lid 5, and the annular protrusion 24 provided on the inner peripheral surface of the cylindrical engagement portion 23 of the lid 5 is The cylindrical outflow portion 10 of the main body 4 engages with an annular protrusion 19 provided on the peripheral wall where the small-diameter opening 10a is formed.
Subsequently, as can be seen from FIG. 1, the range of the large-diameter opening 10 b is inserted into the container port 3 at the cylindrical outflow portion 10 of the cap body 4, and the annular seal portion 14 of the cap body 4 is inserted into the container port 3. The annular projection 17 provided on the lower inner peripheral surface of the cylindrical engagement portion 13 of the cap body 4 is brought into close contact with the top surface portion, and is engaged with the annular projection 16 provided on the lower outer peripheral surface of the peripheral wall 15 of the container port 3. Together, the container 1a according to the first embodiment is configured.

Next, a method for using the container 1a according to the first embodiment of the present invention to quantitatively discharge the liquid material in the container body 2 to the outside will be described with reference to FIG.
First, the container 1a is inverted from the state of FIG. Then, the liquid material in the container body 2 flows into the outflow path 30 in the cylindrical outflow portion 10 from each groove portion 28 provided in the annular bottom plate portion 26d at the lower end of the sliding member 25, and is stored. It fills in the annular recessed part 26b provided in the outer peripheral surface.
Next, as shown in FIG. 3B, the lid 5 is opened while maintaining the inverted state, and the container 1a is directed in the direction of discharging the liquid material. For example, if the liquid is skin lotion, the tubular outflow portion 10 of the cap body 4 is directed toward the palm of the user while maintaining the inverted state of the container 1a.

Next, the inner pressure of the container body 2 is raised by pushing the middle of the container body 2. Then, as shown in FIGS. 3C and 3D, the sliding member 25 is exposed from the inside of the cylindrical outflow portion 10 to the outside in a substantially axial range of the annular recess 26 d and the lower end of the sliding member 25. The annular bottom plate portion 26d provided in the projection protrudes until it comes into contact with the step portion 31 between the small-diameter opening 10a and the large-diameter opening 10b of the cylindrical outflow portion 10.
At this time, as can be seen from FIG. 3C, only the liquid filled in the annular recess 26b of the sliding member 25 passes through the small-diameter opening 10a of the cylindrical outflow portion 10, and finally FIG. As can be seen from d), the lower end of the annular recess 26b of the sliding member 25 substantially coincides with the upper end of the small-diameter opening 10a of the cylindrical outflow portion 10, and substantially the entire axial range of the annular recess 26b is exposed to the outside. In addition, substantially the entire axial range of the lower sliding portion 26c of the sliding member 25 comes into contact with the small-diameter opening 10a. As a result, only a fixed amount of liquid filled in the annular recess 26b of the sliding member 25 is discharged to the outside.
Finally, after the liquid material is discharged in a fixed amount, the container 1a is returned to the upright state, and the lid 5 is folded over the hinge portion 6 so as to cover the cap body 4, and the top surface portion 21 of the lid 5 slides. The moving member 25 is pushed into the cylindrical outflow portion 10, and the sliding member 25 returns to the initial position in the cylindrical outflow portion 10.

  In the first embodiment, when the liquid material is discharged in a constant amount, as shown in FIG. 3D, the entire axial range of the annular recess 26b of the sliding member 25 is exposed to the outside, and the sliding is performed. The substantially entire range in the axial direction of the lower sliding portion 26c of the moving member 25 is in contact with the small-diameter opening 10a, but a part (only the upper portion) of the annular concave portion 26b in the axial direction is exposed to the outside and is slid. You may comprise so that a part (only upper part) of the axial direction of the lower sliding part 26c of the member 25 may be contact | abutted to the small diameter opening part 10a.

Further, as shown in FIG. 4, in the large diameter opening 10b (outflow part 30) of the cylindrical outflow part 10 of the cap body 4, a step part 31 between the large diameter opening 10b and the small diameter opening 10a The coil spring 32 (biasing member) may be disposed between the annular bottom plate portion 26d of the sliding member 25.
Thus, after the sliding member 25 is protruded from the cylindrical outflow portion 10 and a fixed amount of liquid is discharged to the outside, the sliding member 25 can be quickly returned to the initial position in the cylindrical outflow portion 10. It becomes.

As described above, according to the container 1a according to the first embodiment of the present invention, in order to discharge the liquid material in a fixed amount, the container 1a is inverted and the liquid material in the container body 2 is slid. At the same time as flowing into and storing the outflow passage 30 in the large-diameter opening 10b of the cylindrical outflow portion 10 of the cap body 4 from each groove 28 provided in the annular bottom plate portion 26d at the lower end of the member 25, the sliding member 25 A liquid material is filled in an annular recess 26b provided on the outer peripheral surface. Thereafter, the middle pressure of the container body 2 is pushed to increase the internal pressure of the container body 2 so that the annular recess 26b of the sliding member 25 protrudes from the cylindrical outflow portion 10 and is exposed to the outside, and the lower sliding portion 26c is opened with a small diameter. By contacting the portion 10a, a fixed amount of liquid material filled in the annular recess 26b of the sliding member 25 is discharged to the outside.
Thereby, in the container 1a according to the first embodiment of the present invention, as in the conventional case (Japanese Patent Laid-Open No. 2006-151461), the contents are discharged at once when the opening / closing lid is opened and the container is inverted. Can be avoided, and the liquid substance in the container 1a can be quantitatively discharged to the outside according to the user's intention, which greatly improves the usability.

Next, a container 1b according to a second embodiment of the present invention will be described with reference to FIG.
In the container 1b (quantitative discharge container) according to the second embodiment of the present invention, the quantitative extrusion device 7b includes a large-diameter opening 33a in the cylindrical outflow part 33 provided integrally with the container 1b, and the An outflow path 30 comprising a small-diameter opening 43a provided at substantially the center of a closing plate 43 that closes the upper end opening of the cylindrical outflow section 33, and a sliding section 36 that is slidable in the vertical direction in the outflow path 30. Become.

More specifically, as shown in FIG. 5, a threaded portion 34 to which a separate lid (not shown) is screwed is formed on the outer peripheral surface of the cylindrical outflow portion 33.
In the large-diameter opening portion 33a of the cylindrical outflow portion 33, a cylindrical portion 35 that is integrally connected to the inner peripheral surface thereof, and extends in the vertical direction substantially at the center in the cylindrical portion 35, the vertical direction And a sliding bottom part 37 (bottom plate part) that can be elastically deformed and integrally connects the bottom edge of the cylindrical part 35 and the bottom edge of the sliding part 36 integrally. ) And are formed.

The sliding portion 36 is formed in a cylindrical shape composed of a large diameter portion 40 (lower sliding portion) and a small diameter portion 41 in order from the bottom, and a cylindrical body 42 (upper sliding portion) is fitted to the upper end of the small diameter portion 41. Configured. As a result, an annular recess 26 b (liquid reservoir) is formed in the sliding portion 36 between the lower end of the cylindrical body 42 and the upper end of the large diameter portion 40. Note that the outer diameter of the large-diameter portion 40 of the sliding portion 36 and the outer diameter of the cylindrical body 42 substantially coincide with each other, and substantially coincide with the inner diameter of the small-diameter opening 43 a provided in the closing plate 43. Further, a substantially circular concave portion 29 in plan view is formed at a predetermined depth substantially at the center of the lower surface of the large-diameter portion 40 of the sliding portion 36.
The stepped bottom plate portion 37 is elastically deformable, and allows the sliding portion 36 and the stepped bottom plate portion 37 to slide upward when the pressure from the inside of the container body 2 is received. Further, the stepped bottom plate portion 37 is formed with a plurality of openings 38 (flow portions) at intervals in the circumferential direction.

A blocking plate 43 is provided between the upper end of the cylindrical portion 35 provided integrally in the cylindrical outlet portion 33 of the container 1b and the annular protrusion 45 provided on the upper inner peripheral surface of the cylindrical outlet portion 33. At the same time, the cylindrical body 42 of the sliding portion 36 is brought into contact with the small-diameter opening 43 a of the closing plate 43.
As a result, the lower surface of the cylindrical body 42 and the lower surface of the closing plate 43 substantially coincide with each other, and the annular recess 26 b provided between the lower end of the cylindrical body 42 and the upper end of the large-diameter portion 40 has the cylindrical outflow portion 33. In particular, it faces the outflow passage 30 in the cylindrical portion 35.

Next, a method for quantitatively discharging the liquid material in the container body 2 to the outside using the container 1b according to the second embodiment of the present invention will be described.
First, when the container 1b is inverted, the liquid material in the container body 2 flows into the outflow path 30 in the cylindrical outflow portion 33 (cylindrical portion 35) from each opening 38 provided in the stepped bottom plate portion 37, and is stored. At the same time, the liquid is filled in the annular recess 26b provided in the sliding portion 36.
Next, a separate lid (not shown) is removed from the cylindrical outflow portion 33 of the container 1b, and the container body 2 is oriented in the direction of discharging the liquid material. Subsequently, when the inner pressure is increased by pushing the middle of the container body 2, the sliding portion 36 in the cylindrical outflow portion 33 is moved from the closing plate 43 to the axial direction of the annular recess 26 b by elastic deformation of the stepped bottom plate portion 37. The substantially entire range protrudes to a position where it is exposed to the outside, and the upper portion of the large-diameter portion 40 of the sliding portion 36 comes into contact with the small-diameter opening 43 a of the closing plate 43. Thereby, the fixed amount of liquid material filled in the annular recess 26b of the sliding portion 36 is discharged to the outside.
Finally, after the liquid material has been quantitatively discharged, the container 1b is returned to the upright state, and the lid is screwed into the cylindrical outflow portion 33 of the container 1b. Pushing into the cylindrical outflow portion 33, the sliding portion 36 returns to the initial position in the cylindrical outflow portion 33.

As described above, in the container 1b according to the second embodiment of the present invention, the container 1b is inverted in order to discharge the liquid material in a fixed amount, similarly to the container 1a according to the first embodiment. The liquid in the container main body 2 flows into and out of the outlet path 30 in the cylindrical outlet part 33 (cylindrical part 35) from each opening 38 of the stepped bottom plate part 37, and at the same time, A liquid material is filled in an annular recess 26b provided on the outer peripheral surface. Thereafter, the middle pressure of the container body 2 is pushed to increase the internal pressure of the container body 2 so that the annular recess 26 of the sliding portion 36 protrudes from the closing plate 43 and is exposed to the outside, and the large-diameter portion 40 of the sliding portion 36 is exposed. By bringing it into contact with the small-diameter opening 43a of the closing plate 43, a fixed amount of liquid material filled in the annular recess 26b of the sliding portion 36 is discharged to the outside.
Thereby, also in the container 1b according to the second embodiment of the present invention, in the same manner as the container 1a according to the first embodiment, the liquid substance in the container 1b is quantitatively discharged to the outside by the user's intention. It is possible to improve usability.

  1a, 1b container (quantitative discharge container), 2 container body, 3 container port, 4 cap body, 7a, 7b metering extrusion device, 10 cylindrical outlet, 10a, small diameter opening, 10b large diameter opening, 25 sliding Member, 26a upper sliding portion, 26b annular recess (liquid reservoir), 26c lower sliding portion, 26d annular bottom plate portion (bottom plate portion), 28 groove portion (circulation portion), 30 outflow path, 32 coil spring (biasing) Member), 33 cylindrical outflow part, 33a large diameter opening, 36 sliding part (sliding member), 37 stepped bottom plate part (bottom plate part), 38 opening part (circulation part), 40 large diameter part (bottom sliding) Moving part), 41 Small diameter part, 42 Cylindrical body (upper sliding part), 43 Blocking plate, 43a Small diameter opening part

Claims (3)

A container equipped with a quantitative extrusion device at the mouth of a deformable container,
The quantitative extrusion device includes a liquid material outflow path composed of a small-diameter opening and a large-diameter opening, and a sliding member is slidably provided in the outflow path.
The sliding member includes an upper sliding portion, a lower sliding portion, a liquid reservoir provided therebetween, and a bottom plate portion provided in the lower sliding portion and having a flow portion for flowing a liquid material. And having
The upper and lower sliding parts are adapted to the small diameter opening, and the bottom plate part is adapted to the large diameter opening.
The sliding member is slidable from a position where the upper sliding portion contacts the small diameter opening to a position where the liquid reservoir is exposed to the outside and the lower sliding portion contacts the small diameter opening. A quantitative discharge container characterized by   The quantitative discharge container according to claim 1, wherein the liquid reservoir is configured by an annular recess.   3. The quantitative discharge according to claim 1, wherein an urging member for returning an upper sliding portion of the sliding member to a position in contact with the small-diameter opening is disposed in the outflow passage. container.

Images