Dispensing container

Abstract

To provide a quantitative dispensing container that ensures a clean cut of the extruded contents. [Solution] The container body 2 for storing high-viscosity contents has a neck 6 and a cap member 10 attached to the neck 6. The cap member 10 has a measuring chamber P that is capable of vertical expansion and contraction and deformation and is equipped in the neck 6, and an elastic discharge cylinder 38 is erected from the top 36 of the measuring chamber P and continuous with an opening 70 to the outside, and a check valve 24 communicating with the inside of the container body 2 is provided on the bottom plate 22 of the measuring chamber P to form a quantitative discharge section D, an operating body 50 with a push button 64 attached to a vertical pressing member 54 positioned above the top 36 for pressing to operate the measuring chamber P, and a throttling mechanism A that converts a part of the pressing force f1 into a pressing force f2 on the elastic discharge cylinder 38 when the push button 64 is pressed, thereby narrowing the flow path Q inside the elastic discharge cylinder 38. The throttling action of this throttling mechanism A is designed to block the flow path Q at the throttling point S.

Description

Technical Field

[0001] The present invention relates to a metering discharge container, particularly a metering discharge container suitable for storing highly viscous contents (paste-like substances).

Background Art

[0002] There is known a container in which a metering chamber having an elastic squeezing wall and also serving as a pressurizing part is attached to the neck part of a tube container body for storing paste-like or gel-like contents, and check valves are provided on both the upper and lower sides of this metering chamber, and a discharge pipe stands up from around the upper check valve (Patent Document 1).

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] In Patent Document 1, when applied to highly viscous contents such as those stored in a tube container, it is difficult for the contents to run out after being pushed out from the metering chamber, and the convenience for the user is not good.

[0005] An object of the present invention is to provide a metering discharge container in which the discharged contents run out well.

Means for Solving the Problems

[0006] The first means includes a container body 2 for storing high-viscosity contents having a neck part 6, and a cap member 10 attached to the neck part 6. This cap member 10 The container body 2 has a quantitative dispensing section D which has a measuring chamber P that is capable of vertical expansion and contraction and deformation mounted on the neck portion 6, an elastic dispensing cylinder 38 that is continuous with an opening 70 to the outside, and a check valve 24 that communicates with the inside of the container body 2, which is mounted on the bottom plate 22 of the measuring chamber P, An operating body 50 is provided, which has a vertically oriented pressing member 54 positioned above the top portion 36, and a push button 64 for pressing to activate the weighing chamber P. The system includes a throttling mechanism A that, in conjunction with the pressing operation on the push button 64, converts a portion of the vertical pressing force f1 into a horizontal pressing force f2 on the elastic discharge cylinder 38, thereby narrowing the flow path Q within the elastic discharge cylinder 38. The diaphragm mechanism A is designed to block the flow path Q at the diaphragm location S.

[0007] In this device, as shown in Figure 1(B), the cap member 10 attached to the neck 6 of the container body 2 includes a quantitative dispensing section D having a vertically expandable measuring chamber P, an operating body 50 having a push button 64 for operating the measuring chamber P, and a throttling mechanism A that, when the push button 64 is pressed, converts a portion of the vertical pressing force f1 into a horizontal pressing force f2 on the elastic dispensing cylinder 38, thereby narrowing the flow path Q within the elastic dispensing cylinder 38. Furthermore, the diaphragm mechanism A is designed to block the flow path Q at the diaphragm point S. This structure allows even highly viscous contents C to be separated into upstream contents CU and downstream contents CL at the constriction point S, thereby breaking the adhesive force between them. Therefore, by inverting the container, as shown in Figure 5, it becomes easy to drop the downstream contents CL from the opening 70, resulting in a clean separation of the contents.

[0008] The second means has the first means, and the throttling mechanism A has a pair of pressers 58 for pushing the elastic discharge cylinder 38 inward from both sides of the elastic discharge cylinder 38 in the radial direction R.

[0009] In this mechanism, as shown in Figure 1(B), the throttling mechanism A has a pair of pressers 58 for pushing the elastic discharge cylinder 38 inward from both sides of the elastic discharge cylinder 38 in the radial direction R. With this structure, the effective indentation distance into the elastic dispensing cylinder when the push button 64 is pressed a certain distance is doubled compared to the case where there is only one press. Therefore, by pressing the push button 64 for a relatively short distance, the dispensing of the contents is improved more reliably.

[0010] The third means has the second means, and the pressing material 54 is placed on the top portion 36 and is formed as a pressing cylinder surrounding the elastic discharge cylinder 38. The throttling mechanism A includes a pair of pressers 58 formed in the cylindrical wall portion within the U-shaped cuts 56 provided on both sides of the pressing cylinder 54 when viewed from the outside, a pair of connecting members 60 extending radially outward from these pressers 58, and a pair of cam portions 27 formed on the inner surface of a sleeve cylinder 26 that is erected from the side of the mouth neck 6. The push button 64 is pressed, causing the tip 61 of the connecting element 60 to come into contact with the cam portion 27, thereby converting a portion of the pressing force f1 on the push button 64 into a pressing force f2 on the elastic discharge cylinder 38.

[0011] In this mechanism, as shown in Figure 1(B), the pressing material 54 is placed on the top portion 36 and is formed as a pressing cylinder surrounding the elastic discharge cylinder 38. The throttling mechanism A includes a pair of pressing elements 58 formed in the cylinder wall portion within the U-shaped cutouts 56, as seen from the outside as shown in Figure 3(C), on both sides of the pressing cylinder 54, a connecting element 60 extending outward in the radial direction R as shown in Figure 1(B), and a cam portion 27 formed on the inner surface of a sleeve cylinder 26 that is erected from the side of the mouth neck 6. This structure allows for the precise cutting of contents C with a simple configuration.

[0012] The fourth means has the first means or the second means, and a hanging cylinder 20 is suspended inside the neck 6 via an inward flange 18 from a mounting cylinder 14 fitted to the outer surface of the neck 6, and the bottom plate 22 having the check valve 24 is connected to the lower end of the hanging cylinder 20. The lower half 33 of the cylindrical circumferential wall 32, which is suspended from the circumferential end of the top portion 36, is fitted into the hanging cylinder 20, and a bellows portion 35 is formed on the upper half 34 of the cylindrical circumferential wall 32. At least the sleeve cylinder 26 surrounding this bellows section 35 is extended upward from the mounting cylinder 14 side, The bottom plate 22, the cylindrical peripheral wall 32, and the top portion 36 define the weighing chamber P.

[0013] In this configuration, as shown in Figure 1(B), a hanging cylinder 20 is suspended inside the mouth neck 6 via an inward flange 18 from a mounting cylinder 14 fitted to the outer surface of the mouth neck 6, and a bottom plate 22 having a check valve 24 is connected to the lower end of the hanging cylinder 20. Furthermore, the lower half 33 of the cylindrical circumferential wall 32, which is connected to the circumferential end of the top portion 36, is fitted into the hanging cylinder 20, and a bellows section 35 is formed on the upper half 34 of the cylindrical circumferential wall 32. This structure allows for the easy measurement (measurement of a fixed amount) and precise dispensing of relatively viscous contents (such as paste-like substances) by utilizing the expansion and contraction of the bellows section 35 in the vertical direction. [Effects of the Invention]

[0014] According to the present invention, the contents extruded from the weighing chamber are cut cleanly. [Brief explanation of the drawing]

[0015] [Figure 1] Figure (A) shows the configuration of a quantitative dispensing container according to an embodiment of the present invention, with Figure (B) being a plan view and Figure (A) being a cross-sectional view from the front. [Figure 2] Figure 1 is an exploded view of the main components (cap components) of the container shown, with (A) showing the operating mechanism of the component, (B) showing the discharger body, and (C) showing the attached cap. [Figure 3]It shows the configuration of the operating body shown in FIG. 3. In the figure, (A) is a cross-sectional view seen from above before deformation, (B) is a cross-sectional view seen from above after deformation, (C) is a side view in the lid-open state, (D) is a plan view in the same state, and (E) is a front view in the same state. [Figure 4] It shows the operation when the push button of the container in FIG. 1 is pressed. In the figure, (A) is a cross-sectional view seen from above, and (B) is a cross-sectional view seen from the front direction. [Figure 5] It shows the operation when the contents of the container in FIG. 1 are discharged.

Best Mode for Carrying Out the Invention

[0016] FIGS. 1 to 5 show a metering discharge container according to an embodiment of the present invention. This metering discharge container is composed of a container body 2 and a cap member 10 as shown in FIG. 1(B).

[0017] The container body 2 has an elastically compressible body portion 4, and a neck portion 6 stands up from this body portion. An engaging portion 8 is attached to this neck portion 6. A recess 5 is formed in the body portion 4 at a position near the neck portion 6. The container body 2 in the illustrated example is a squeeze-type tube container body. However, the form of the container body 2 can be appropriately changed, and any squeeze-type container that can store relatively high-viscosity contents (such as paste-like substances) may be used.

[0018] In the present embodiment, the cap member 10 is composed of a mounting cap 12, a discharger body 30, and an operating body 50 as shown in FIG. 2. These members can be formed of, for example, a synthetic resin material. And the cap member 10 includes a throttle mechanism A for dividing the highly viscous content C extruded from the metering chamber P of the metering discharge portion D described later into the upstream side and the downstream side of the throttle portion S described later (see FIG. 5).

[0019] The mounting cap 12 is a member for attaching the cap member 10 to the neck portion 6. In this embodiment, a hanging cylinder 20 is suspended inside the neck portion 6 via an inward flange 18 from a mounting cylinder 14 fitted to the outer surface of the neck portion 6. Furthermore, a bottom plate 22 having a check valve 24 consisting of a valve hole m and a valve plate n is attached to the lower end of the hanging cylinder 20, as shown in Figure 2(C). Note that the check valve 24 may be a separate structure from the bottom plate 22. The check valve 24 shown in the illustration is a single-point valve, but its structure can be modified as appropriate. The mounting cap 12 in the illustrated example is a screw cap, and the mounting cylinder 14 has a female threaded portion 16 that engages with the male threaded portion 8. Furthermore, it is desirable that the mounting cap 12 be made of a transparent or translucent material. The mounting cylinder 14 has a female threaded portion 16 that engages with the male threaded portion 8. These structures can be modified as needed. Furthermore, a sleeve cylinder 26 extends upward from the inward flange 18, as shown in Figure 1(B). The role of this sleeve cylinder 26 is to surround the bellows section 35 (described later), the elastic discharge cylinder 38 (described later), and the connecting element 60 (described later), thereby preventing other objects from colliding with them from the outside. A cam portion 27, which is linked to the connecting element 60 described later, is attached to the inner surface of the lower half of the sleeve cylinder 26. This cam portion 27 has the role of converting a portion of the vertical pressing force f1 applied to the operating lever 64 described later into a horizontal pressing force f2 applied to the elastic discharge cylinder 38 described later (see Figure 5). In the illustrated example, the cam portion 27 is formed as a longitudinal projection extending upward from the inward-facing flange 18 along the inner surface of the sleeve cylinder 26. As shown in Figure 1(B), a rounded corner portion 28, which has a tapered cross-sectional shape, is formed at the upper part of this longitudinal ridge. This allows the cam portion 27 to make smooth contact with the tip portion 61 of the connecting element 60. The cam portion 27 in the illustrated example is formed to be wide in the circumferential direction, as shown by the dotted line in Figure 1(A). The width w of the cam portion 27 in the same direction is greater than the thickness d of the connecting element 60, which will be described later and shown in Figure 3(D). Furthermore, the inner surface k of the cam portion 27 is formed as an arc-shaped surface that is concentric with the inner surface of the sleeve cylinder 26 when viewed from above. By doing so, even if the connecting element 60, described later, vibrates slightly in the circumferential direction while the operating lever 64 is being pressed, the aforementioned force conversion action can be ensured. In the illustrated example, a vertical slit 29 is formed in the upper half of the sleeve cylinder 26, positioned above the cam portion 27. The role of this slit 29 is to allow the operating lever 64, which will be described later, to enter the slit 29 when it is pressed downwards, as shown in Figure 4(B). This allows for sufficient length of the sleeve cylinder 26 while increasing the range of movement of the operating lever 64.

[0020] The discharger body 30 is a component for measuring a certain amount of contents C that have flowed in by squeezing the container body 2 and discharging it from the discharge port 44. The discharger body 30 is preferably made of a transparent or translucent material. In this embodiment, the discharger body 30 is formed as shown in Figure 1(B) by attaching a top portion (annular top plate in the illustrated example) 36 to the upper end of the cylindrical peripheral wall 32, which has its lower half 33 fitted to the hanging cylinder 20, and erecting an elastic discharge cylinder 38 from this top portion 36. A bellows section 35 is formed in the upper half 34 of the cylindrical peripheral wall 32. The bottom plate 22, the cylindrical peripheral wall 32, and the top portion 36 define a weighing chamber P. This weighing chamber P is capable of expansion and contraction in the vertical direction and also serves as a pressurizing chamber. In this embodiment, as shown in Figure 1(B), the measuring chamber P and the elastic dispensing cylinder 38 constitute a quantitative dispensing unit D that measures and dispenses a fixed amount of contents. Furthermore, as shown in Figure 2(B), the outer surface of the lower half 33 of the cylindrical peripheral wall 32 is provided with a plurality of pressure contact ribs i that press against the inner surface of the hanging cylinder 20, and a hooking rib j that hooks onto the upper surface of the inward flange 18. An outlet 44, which is continuous with the opening 70 described later, is provided at the upper end of the elastic discharge cylinder 38. The lower part 39 of the elastic discharge cylinder 38 in the illustrated example is a thin-walled, easily deformable portion that can be easily bent by pressing with a pair of pressers 58, which will be described later. Furthermore, the upper part 40 of the elastic discharge cylinder 38 is thicker than the lower part 39. A downward-facing engagement step 42 is formed on its outer surface, as shown in Figure 2(B).

[0021] The operating body 50 is a component that expands and contracts the weighing chamber P and cuts the contents C pushed out from the weighing chamber P at the constriction point S using the constriction mechanism A. In this embodiment, the operating body 50 is provided with a horizontal operating lever 64, which functions as a push button, attached to the vertically elongated covering cylinder 52 that covers the elastic discharge cylinder 38, in the middle of the vertical direction.

[0022] As shown in Figure 1(B), the portion of the covering cylinder 52 below the operating lever 64 (lower cylinder portion 54) serves as a pressing material that presses against the weighing chamber P, and is placed on the top portion 36. The lower cylindrical portion 54 is formed with a pair of pressers 58 for pushing the elastic discharge cylinder 38 inward from both sides of the elastic discharge cylinder 38 in the radial direction R. In the illustrated example, horizontal U-shaped slits 56 are provided on both sides of the pressing cylinder 54, as shown in Figure 3(C) when viewed from the outside, and the cylindrical wall portion inside these slits 56 serves as the pressing element 58. In the illustrated example, the cut 56 is formed in the area indicated by the symbol B in Figure 3(A) (a range of 1 / 4 of the circumference of the lower cylindrical portion 54). However, these structures can be modified as appropriate. As shown in Figures 3(A) and 3(B), the pressing element 58 is a cantilevered movable piece with a fixed end e1 at its base and a free end e2 at its tip. Then, a pair of connecting elements 60 are provided protruding from the free ends e2 of each of the pair of pressers 58 in the radial direction R of the lower cylindrical portion 54, in other words, toward the cam portion 27. The connecting element 60 in the illustrated example is a horizontally elongated vertical plate section, and the vertical width h of the connecting element 60 shown in Figure 3(E) is greater than the thickness d of the connecting element 60 shown in Figure 3(D). This shape provides high resistance to vertical stress. The tip 61 of the connecting element 60 is located near the inner surface of the sleeve cylinder 26 when viewed from above, as shown in Figure 1(A). Furthermore, the lower end of the tip portion 61 is formed as a rounded chamfered portion 62. This chamfered portion 62 is formed to slide against the rounded corner portion 28 of the cam portion 27, as shown by the dashed line in Figure 4(B), when the operating body 50 moves toward the container body 2 due to pressure on the operating lever 64.

[0023] As shown in Figure 5, the throttling mechanism A consists of the pair of pressers 58, the pair of connecting elements 60, and the cam portion 27. The function of this throttling mechanism A is that, in conjunction with the operation of the operating lever 64, a portion of the vertical pressing force f1 applied to the operating lever 64 is converted into a force (pressing force f2) in which a pair of pressers 58 press the elastic discharge cylinder 38 from the side, thereby blocking the flow path Q within the elastic discharge cylinder 38 at the point (referred to as the throttling point S) where the elastic discharge cylinder 38 is sandwiched by the pair of pressers 58, as shown in Figure 4(B). Furthermore, it is desirable to position the throttling point S near the outlet 37 (lower end of the elastic discharge cylinder) of the metering chamber P. This narrows the flow path near the outlet of the metering chamber P, causing the contents downstream to fall to the outside, thus enabling quantitative discharge according to the size of the bellows section 35. Then, as shown in Figure 5, by pressing the operating lever 64 in an inverted position with the opening 70 facing downwards, the upstream contents CU and the downstream contents CL are separated at the constriction point S, and the downstream contents CL located inside the elastic discharge cylinder 38 and the upper cylindrical portion 66 fall out due to gravity. In this specification, "blocking" means that the flow path is narrowed to the extent that the contents downstream of the constriction fall out, and it is not necessary for the flow path Q to be completely closed.

[0024] As shown in Figure 1(B), the portion of the cover tube 52 above the operating lever 64 (upper tube portion 66) serves as a passage tube for the contents, and has an opening 70 at its upper end. A stepped portion receiving portion 68 for receiving the engaging stepped portion 42 is formed on the inner surface of the lower cylindrical portion 54.

[0025] In the illustrated example, a lid portion 74 for closing the opening 70 is attached to the upper end of the covering cylinder 52 via a hinge portion 72. A finger rest 75 is attached to the lid portion 74, positioned on the opposite side of the hinge portion 72, and a claw portion 76 is provided protruding from the lower surface of the lid portion 74 near the finger rest 75, which engages with the inner surface of the covering cylinder 52.

[0026] In the above configuration, when using the quantitative dispensing container, the container body 2 is first squeezed. This increases the pressure inside the container body 2, causing the check valve 24 to open, and the contents C stored in the container body 2 enter the metering chamber P through the check valve 24. After visually confirming that the contents C have filled the measuring chamber P by looking through the attached cap 12 and the discharger body 30, the container is then inverted so that the opening 70 faces downwards, and the operating lever 64 is pressed toward the container body 2. This closes the check valve 24 and compresses the measuring chamber P, pushing a certain amount of contents (an amount equivalent to the difference between the volume of the measuring chamber before and after compression) out of the measuring chamber P toward the elastic discharge cylinder 38, thereby enabling quantitative dispensing. Furthermore, in the process of pressing the operating lever 64 toward the container body 2, a pair of connecting elements 60 of the operating body 50 come into contact with the tapered rounded corner portion 28 of the cam portion 27, causing the pair of connecting elements 60 to move inward, and a pair of pressers 58 connected to these connecting elements 60 push the elastic discharge cylinder 38 radially inward R. As a result, the flow path of the elastic discharge cylinder 38 is narrowed, and the upstream contents CU and the downstream contents CL are separated at this narrowing point S. As a result, the downstream contents are discharged from the opening 70 to the external discharge surface T by their own weight. After the dispensing operation is complete, the container body 2 is squeezed again to fill the contents C into the measuring chamber P, which returns the operating body 50 to its original position and prepares it for the next dispensing operation. If you want to dispense the contents continuously rather than in fixed quantities, you can also dispense the contents by squeezing only the container body 2 without pressing the operating lever 64. Once the dispensing operation is complete, simply close the lid 72.

[0027] According to the above configuration and operation, pressing the operating lever 64 allows a fixed amount of contents C to be pushed out from the measuring chamber P attached to the neck portion 6 towards the opening 70 via the elastic discharge cylinder 38. Furthermore, in conjunction with the pressing operation, the presser 58 of the throttling mechanism A pushes the elastic discharge cylinder inward, blocking the flow path Q within the elastic discharge cylinder 38 at the throttling point S. This makes it easier for the contents downstream of this point to fall out of the opening 70 by their own weight when the container is inverted, improving the cleanliness of the contents and enabling easy quantitative dispensing. Furthermore, since the elastic discharge cylinder 38 is pressed in from both sides by a pair of pressers 58, good liquid drainage of the contents can be achieved by pressing the operating lever 64 only a relatively short distance. [Explanation of Symbols]

[0028] 2...Container body 4...Body 5...Recess 6...Nose / Neck 8...Threaded part 10...Cap component 12...Mounting cap 14...Mounting cylinder 16...Female thread portion 18...Inward flange 20...Dropping cylinder 22...Bottom plate 24...Check valve 26...Sleeve tube 27...Cam section 28...Rounded corner section 29...Slit 30…Discharge section body 32…Cylinder circumferential wall 33…Lower half 34…Upper half 35…Bellows section 36...Top 37...Outlet 38...Elastic discharge cylinder 39...Lower part (easily deformable part) 40...Upper part (thick wall part) 42...Engagement step part 44...Discharge port 50...Operating body 52...Covering cylinder 54...Lower cylinder section (pressing material) 56...Slit 58...Pressing element 60...Connecting element 61...Tip 62...Chamfered part 64... Push button (operating lever) 66... ​​Upper cylindrical part 68... Step receiving part 70...Opening 72...Hinge 74...Lid 75...Finger rest 76...Claw A... Aperture mechanism B... Cutting range C... Contents CL... Downstream contents CU…Upstream contents D…Quantitative dispensing section d…Thickness of the connector e1…Fixed end e2...Free end f1...Pressing force f2...Pressing force h...Vertical width of connecting part i...Pressure rib j...locking rib k...inner surface of cam m...valve hole n...valve plate P...metering chamber Q...flow path R...Radial direction S...Constriction point T...Discharge surface w...Width of cam section

Claims

1. A container body (2) for storing high-viscosity contents, having a mouth / neck (6), The device comprises a cap member (10) attached to the aforementioned oral cavity (6), This cap member (10) is The container has a measuring chamber (P) equipped in the neck portion (6) that can expand and contract vertically, and an elastic discharge cylinder (38) is erected from the top (36) of the measuring chamber (P) and continuous with an opening (70) to the outside, and a check valve (24) that communicates with the inside of the container body (2) is provided on the bottom plate (22) of the measuring chamber (P) to form a quantitative discharge section (D), An operating body (50) is provided with a vertically oriented pressing member (54) positioned above the top portion (36), to which a push button (64) for pressing to activate the weighing chamber (P) is attached; The system includes a throttling mechanism (A) that, in conjunction with the pressing operation on the push button (64), converts a portion of the vertical pressing force (f1) into a lateral pressing force (f2) on the elastic discharge cylinder (38), thereby narrowing the flow path (Q) within the elastic discharge cylinder (38). A quantitative dispensing container characterized in that the throttling mechanism (A) is designed to block the flow path (Q) at the throttling point (S).

2. The quantitative dispensing container according to claim 1, characterized in that the throttling mechanism (A) has a pair of pressers (58) for pushing the elastic dispensing cylinder (38) inward from both sides in the radial direction (R) of the elastic dispensing cylinder (38).

3. The pressing material (54) is placed on the top portion (36) and is formed as a pressing cylinder surrounding the elastic discharge cylinder (38), The throttling mechanism (A) includes a pair of pressers (58) formed in the cylindrical wall portion within the cuts (56) by providing U-shaped cuts (56) on both sides of the pressing cylinder (54) when viewed from the outside, a pair of connecting members (60) extending radially (R) outward from these pressers (58), and a pair of cam portions (27) formed on the inner surface of a sleeve cylinder (26) that is erected from the side of the mouth neck (6). The quantitative dispensing container according to claim 2, characterized in that when the push button (64) is pressed, the tip (61) of the connecting element (60) comes into contact with the cam (27), thereby converting a portion of the pressing force (f1) on the push button (64) into a pressing force (f2) on the elastic dispensing cylinder (38).

4. A hanging cylinder (20) is suspended inside the neck portion (6) via an inward flange (18) from a mounting cylinder (14) fitted to the outer surface of the neck portion (6), and the bottom plate (22) having the check valve (24) is connected to the lower end of the hanging cylinder (20). The lower half (33) of the cylindrical circumferential wall (32), which is suspended from the circumferential end of the top portion (36), is fitted into the hanging cylinder (20), and a bellows portion (35) is formed on the upper half (34) of the cylindrical circumferential wall (32). At least a sleeve cylinder (26) surrounding this bellows section (35) is extended upward from the mounting cylinder (14) side, A quantitative dispensing container according to claim 1 or claim 2, characterized in that the measuring chamber (P) is defined by the bottom plate (22), the cylindrical peripheral wall (32), and the top portion (36).

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