JP6111182B2 - Weighing container - Google Patents

Description

  The present invention relates to a weighing container.

Conventionally, for example, as shown in Patent Document 1 below, a bottomed cylindrical inner cylinder in which a number of flat tablets are stacked and accommodated, and an outer cylinder that is externally mounted on the inner cylinder, A container is known in which a take-out hole that opens toward the side is formed in the lower end portion on the bottom side of the inner cylinder, and the take-out hole is opened and closed as the outer cylinder moves up and down with respect to the inner cylinder. ing.
Then, when the container is tilted with the take-out hole open, the bottommost tablet located on the bottom of the inner cylinder is among the many tablets in the inner cylinder. , Moved outward from the take-out hole. At this time, the tablet at the bottom end is slid on the bottom because a pressing force is applied to the bottom of the inner cylinder by the load of the other tablets stacked on the tablet at the bottom. It is hard to move, and the pop-out from the tablet take-out hole is suppressed.

JP 2010-235194 A

  However, in the conventional container, when the number of tablets in the inner cylinder becomes small, the above-mentioned pressing force decreases, for example, the tablets pop out vigorously from the takeout hole, or a plurality of tablets keep standing from the takeout hole. There was a risk of jumping out.

  The present invention has been made in view of such circumstances, and an object of the present invention is to provide a measuring container capable of accurately taking out a specified amount of contents regardless of the remaining amount of contents.

  In order to solve the above-mentioned problems and achieve such an object, the measuring container of the present invention has an accommodating portion in which the contents are accommodated and is supported so as to be movable downward in an upwardly biased state. And a bottom body that closes the lower end openings of both cylinders, and an outer cylinder that is externally covered with the inner cylinder with the upper end of the inner cylinder protruding upward. A container, the inner cylindrical surface of the outer cylindrical body, and the outer peripheral surface of the inner cylindrical body when the inner cylindrical body is pressed against the outer cylindrical body, A guide part that is lowered while rotating around the container axis with respect to the cylinder is formed, a measuring part that accommodates a predetermined amount of contents is formed in the inner cylinder, and the outer cylinder has the above-mentioned A take-out hole for taking out the contents in the measuring section is formed, and the housing is accommodated in the bottom body as the inner cylinder moves downward. An advancing protrusion that extends into the inside is provided, and the advancing protrusion is formed with an introduction portion that guides the contents of the housing portion to the measuring portion, and the inner cylinder body is connected to the outer cylinder body. With the pressing and release thereof, the measuring portion and the introducing portion communicate with each other, and the measuring position where communication between the measuring portion and the take-out hole is blocked, and the measuring portion and the take-out hole communicate with each other, And it is arrange | positioned so that it may move between the taking-out position from which the communication of the said measurement part and the said introduction part was interrupted | blocked.

According to the present invention, when the inner cylinder is located at the take-out position, the measuring portion and the take-out hole communicate with each other, and the communication between the measure- ment portion and the introducing portion is blocked. The contents do not unexpectedly reach the take-out hole, and only the contents in the measuring section can be taken out from the take-out hole.
On the other hand, when the inner cylinder is located at the measurement position, the measurement unit and the introduction unit communicate with each other, and the communication between the measurement unit and the take-out hole is blocked. It is possible to accommodate only a specified amount of the contents in the accommodating portion in the measuring portion while preventing the contents from reaching the take-out hole.
As described above, the specified amount of contents can be accurately taken out regardless of the remaining amount of contents in the storage unit.
Further, when the inner cylinder is moved between the measuring position and the take-out position, not only the inner cylinder is moved in one direction with respect to the outer cylinder, but the inner cylinder is In contrast, since it is lowered while rotating around the container axis, it is possible to prevent the contents in the storage portion from being sandwiched between the outer peripheral surface of the advancing protrusion.
In addition, since the introduction part is formed in the advancing protrusion, it becomes possible to supply the contents in the storage part to the measuring part in an aligned state in the introduction part, etc. It can be securely accommodated.

  Here, the cap body may be fitted to the upper end portion of the inner cylindrical body so as to be rotatable around the container axis.

  In this case, when the cap body is pressed together with the inner cylinder body with respect to the outer cylinder body, and the inner cylinder body is rotated around the container axis with respect to the outer cylinder body, the cap body is moved to the outer cylinder body together with the inner cylinder body. Accordingly, it is possible to suppress the rotation of the cap body, and it is possible to suppress the rotation force around the container axis from being transmitted to the finger pressing the cap body.

  The take-out hole is a through hole that penetrates the outer cylindrical body in the radial direction, and the measuring portion is a through hole that penetrates the inner cylindrical body in the radial direction. It may extend gradually downward as it goes from the inside to the outside.

  In this case, when the inner cylinder is located at the take-out position, the contents in the measuring unit can be easily moved toward the take-out hole.

  According to the present invention, a specified amount of contents can be accurately taken out regardless of the remaining amount of contents in the storage section.

It is a measuring container shown as one embodiment concerning the present invention, and is a longitudinal section when an inner cylinder is located in a measuring position. It is an AA arrow directional cross-sectional view of the measuring container shown in FIG. FIG. 2 is a longitudinal sectional view of the weighing container shown in FIG. 1 when an inner cylinder is located at a take-out position. FIG. 4 is a cross-sectional view of the weighing container shown in FIG. 3 taken along line BB. It is CC sectional view taken on the line of the measuring container shown in FIG.

Hereinafter, a measuring container 1 according to an embodiment of the present invention will be described with reference to the drawings.
As shown in FIGS. 1 to 5, the weighing container 1 of the present embodiment includes an inner cylinder 12 having a storage portion 11 in which the contents W are stored, and an outer cylinder 13 that is externally mounted on the inner cylinder 12. And a bottom body 14 that closes each one end opening of the both cylinders 12 and 13.
The central axes of the inner cylinder 12 and the outer cylinder 13 are arranged coaxially with the common axis. Hereinafter, this common axis is referred to as the container axis O, one end side along the container axis O direction is referred to as the lower side, the other end side is referred to as the upper side, and the direction orthogonal to the container axis O is referred to as the radial direction. The direction that goes around is called the circumferential direction.
In the illustrated example, the contents W are spherical.

On the inner peripheral surface of the outer cylindrical body 13 and the outer peripheral surface of the inner cylindrical body 12, when the inner cylindrical body 12 is pressed against the outer cylindrical body 13, the inner cylindrical body 12 is moved relative to the outer cylindrical body 13. A guide portion 21 that is lowered while being rotated around the container axis O is formed.
In the present embodiment, the guide portion 21 is formed on the inner peripheral surface of the outer cylindrical body 13 and extends along the circumferential direction, protrudes radially outward from the outer peripheral surface of the inner cylindrical body 12, and And an engaging protrusion 21b slidably engaged in the spiral groove 21a.
A pair of engaging protrusions 21b are formed on the outer peripheral surface of the inner cylindrical body 12, and these engaging protrusions 21b are located at positions opposite to each other across the container axis O in the radial direction on the outer peripheral surface of the inner cylindrical body 12. It is formed separately. In addition, each engagement protrusion 21b is disposed in the central portion of the inner cylinder 12 in the container axis O direction.

The inner cylinder 12 is formed with a measuring portion 15 in which a specified amount of contents W is accommodated.
The measuring portion 15 is a through hole that penetrates the inner cylinder 12 in the radial direction. The lower surface of the measuring portion 15 extends gradually downward from the inner side to the outer side in the radial direction. Moreover, the planar view shape of the measuring unit 15 viewed from the radial direction is a rectangular shape. The radially outer opening of the measuring unit 15 is covered by the inner peripheral surface of the outer cylinder 13.

  On the inner peripheral surface of the inner cylindrical body 12, an overhanging portion 16 is formed that protrudes inward, and the measuring portion 15 is formed in the overhanging portion 16. The overhang portion 16 is formed at the lower end portion of the inner cylindrical body 12, and the planar view shape of the overhang portion 16 viewed from the inside in the radial direction is a rectangular shape. The lower end edge of the overhang portion 16 coincides with the lower end edge of the inner cylinder 12. The upper surface of the overhanging portion 16 gradually extends downward as it goes from the radially outer side to the inner side. As shown in FIG. 2, the end portion of the front side T <b> 1 in the rotational direction in which the inner cylindrical body 12 rotates with respect to the outer cylindrical body 13 when the inner cylindrical body 12 is pressed out of the overhanging portion 16, A peripheral end surface portion 16a facing the front side T1 in the rotation direction is formed.

Here, the inner cylinder 12 is supported so as to be movable downward in the upward biased state. In the present embodiment, the inner cylinder 12 is supported by the resin spring 18. The inner cylinder 12 and the resin spring 18 are integrally formed of the same material. The upper end of the resin spring 18 is connected to the lower end edge of the inner cylinder 12. The lower end edge of the inner cylinder 12 is spaced upward from the lower end edge of the outer cylinder 13. The upper end portion of the inner cylinder 12 protrudes upward from the outer cylinder 13.
A cap body 19 is fitted to the upper end portion of the inner cylinder 12 so as to be rotatable around the container axis O. The cap body 19 is formed in a top cylinder shape and is fitted on the upper end portion of the inner cylinder body 12. At the lower end of the cap body 19, a regulated protrusion 19 a that protrudes outward in the radial direction is formed over the entire circumference.

The outer cylinder 13 is formed with a take-out hole 23 through which the contents in the measuring unit 15 are taken out. The take-out hole 23 is formed at the lower end of the outer cylinder 13 and is a through hole that penetrates the outer cylinder 13 in the radial direction. The take-out hole 23 is located below the measuring unit 15.
A cap body 19 is inserted into the upper end portion of the outer cylinder body 13 so as to be movable downward. On the upper end portion of the outer cylinder body 13, a regulated projection 13 a that locks the regulated projection 19 a of the cap body 19 and regulates the cap body 19 from coming off from the outer cylinder body 13 is formed. The restricting protrusion 13a protrudes inward in the radial direction and extends over the entire circumference.

Here, in this embodiment, the bottom body 14 and the outer cylinder 13 are integrally formed.
The bottom body 14 has an advancing projection 25 that advances into the housing portion 11 as the inner cylinder 12 moves downward, a flange-like connecting plate portion 27 that connects the lower ends of the advancing projection 25 and the outer cylinder 13, and It has. The advancing protrusion 25 closes the lower end opening of the inner cylindrical body 12, and the advancing protrusion 25 and the connecting plate portion 27 close the lower end opening of the outer cylindrical body 13. The resin spring 18 is disposed on the connecting plate portion 27, and the advancing projection 25 is inserted inside the resin spring 18.

The advancing protrusion 25 is formed in a top tube shape extending along the container axis O direction, and an upper portion thereof is inserted into a lower end portion of the inner cylinder body 12. The accommodating portion 11 is a portion located above the top wall portion 26 of the advancing protrusion 25 inside the inner cylindrical body 12.
The top wall portion 26 of the advancing protrusion 25 is an inclined plane inclined with respect to the container axis O. As shown in FIG. 1, the top wall portion 26 gradually extends from the upper side to the lower side as it goes to the weighing unit 15 side in a longitudinal sectional view including the weighing unit 15 of the weighing container 1. .

The advancing protrusion 25 is formed with an introduction portion 28 that guides the contents W of the storage portion 11 to the measuring portion 15.
The introduction portion 28 is a vertical groove that extends downward from the lowermost end portion of the top wall portion 26 and opens outward in the radial direction, and the contents W in the accommodating portion 11 are transferred to the container axis O. It is configured to be arranged in a line in the direction and supplied to the weighing unit 15. The introducing portion 28 is formed on the upper portion of the advancement protrusion 25. The measuring part 15 is opened at the lower part of the introduction part 28. The radially outer opening in the upper part of the introduction part 28 is covered with the overhang part 16.
As shown in FIG. 2, the arrangement position of the introduction portion 28 along the circumferential direction and the arrangement position of the extraction hole 23 of the outer cylindrical body 13 along the circumferential direction are shifted from each other.

In the above configuration, the weighing unit 15 and the introduction unit 28 communicate with each other, and the communication between the measurement unit 15 and the take-out hole 23 is blocked, and the content W in the storage unit 11 passes through the introduction unit 28. 15 is accommodated in a prescribed amount.
When the cap body 19 is pushed down together with the inner cylinder body 12 with respect to the outer cylinder body 13, the engagement protrusion 21 b slides in the spiral groove 21 a, so that as shown in FIGS. 3 and 4, The cylindrical body 12 descends while rotating around the container axis O with respect to the cap body 19 and the outer cylindrical body 13 while compressing and deforming the resin spring 18 in the container axis O direction.
At this time, as shown in FIGS. 4 and 5, the weighing unit 15 and the take-out hole 23 communicate with each other, and the communication between the weighing unit 15 and the introduction unit 28 is blocked, so that the contents W in the weighing unit 15 are transferred. Then, it is taken out through the take-out hole 23.
When the above-described pressing is released, the resin spring 18 is restored and deformed, so that the inner cylinder 12 is restored and displaced upward while rotating around the container axis O with respect to the outer cylinder 13. At this time, the regulated protrusion 19 a of the cap body 19 abuts and is locked against the regulating protrusion 13 a of the outer cylinder 13.

  As described above, the inner cylinder 12 communicates with the metering section 15 and the introduction section 28 as shown in FIGS. 1 and 2 when the inner cylinder 12 is pressed against the outer cylinder 13 and released. In addition, the measuring position where the communication between the measuring unit 15 and the take-out hole 23 is interrupted, and the measuring unit 15 and the take-out hole 23 as shown in FIGS. It is arrange | positioned so that it may move between the taking-out positions from which communication with the part 28 was interrupted | blocked.

Here, the outer peripheral surface of the advancing protrusion 25 is recessed toward the inside, and the flank portion 31 that moves the projecting portion 16 as the inner cylinder 12 moves between the measurement position and the take-out position. Is formed.
The flank portion 31 is formed over the entire length of the advancing protrusion 25 in the container axis O direction. As shown in FIGS. 1 and 2, in the flank 31, the introduction portion 28 is opened in a measuring portion 31 a where the measuring portion 15 of the inner cylinder 12 located at the measuring position is opened. As shown in FIGS. 2 and 4, a circumferential end surface portion 31 c facing the rear side T <b> 2 in the rotation direction is formed at the end portion of the flank surface portion 31 on the front side T <b> 1 in the rotation direction. When the inner cylindrical body 12 is located at the measuring position, a circumferential clearance is provided between the peripheral end surface portion 31c of the flank portion 31 and the peripheral end surface portion 16a of the overhanging portion 16, and the inner cylindrical body 12 Is positioned at the take-out position, the peripheral end surface portion 16 a of the overhang portion 16 abuts on the peripheral end surface portion 31 c of the flank portion 31.

  In a cross-sectional view of the advancing protrusion 25 perpendicular to the container axis O, the radius of curvature of the measuring portion 31a of the flank 31 is larger than the radius of curvature of the non-formed portion 25a of the flank 31. In the cross-sectional view including the lower end portion of the inner cylindrical body 12 of the measuring container 1, the radius of curvature of the overhanging portion 16 is equal to the radius of curvature of the measuring portion 31a of the flank portion 31, and the inner cylindrical body 12 Of the inner peripheral surface, the radius of curvature of the non-formed portion 12 a of the overhang portion 16 is equal to the radius of curvature of the non-formed portion 25 a of the flank portion 31.

As described above, according to the measuring container 1 according to the present embodiment, when the inner cylinder 12 is located at the take-out position, the measuring unit 15 and the take-out hole 23 communicate with each other, and the measuring unit 15 and the introduction are provided. Since the communication with the portion 28 is blocked, the content W in the storage portion 11 does not unexpectedly reach the take-out hole 23, and only the content W in the measuring portion 15 can be taken out from the take-out hole 23. it can.
On the other hand, when the inner cylinder 12 is positioned at the measuring position, the measuring unit 15 and the introducing unit 28 are in communication with each other, and the communication between the measuring unit 15 and the take-out hole 23 is blocked. It is possible to accommodate only a specified amount of the contents W in the weighing unit 15 among the contents W in the accommodation unit 11 while preventing the contents W from unexpectedly reaching the take-out hole 23.
As described above, the specified amount of the contents W can be accurately taken out regardless of the remaining amount of the contents W in the storage unit 11.

Further, when the inner cylinder 12 is moved between the weighing position and the take-out position, not only the inner cylinder 12 is moved in one direction with respect to the outer cylinder 13, but the inner cylinder 12 is Since it is lowered while rotating around the container axis O with respect to the cylindrical body 13, it is possible to prevent the contents W in the accommodating portion 11 from being sandwiched between the outer peripheral surface of the advancing protrusion 25.
Moreover, since the introduction part 28 is formed in the advancing protrusion 25, it becomes possible to supply the contents W in the storage part 11 to the weighing part 15 in an aligned state in the introduction part 28. The contents W can be easily and reliably accommodated in 15.

Further, since the cap body 19 is fitted to the upper end portion of the inner cylinder body 12 so as to be rotatable around the container axis O, the cap body 19 is pressed down against the outer cylinder body 13 together with the inner cylinder body 12, When the cylindrical body 12 is rotated around the container axis O with respect to the outer cylindrical body 13, it is possible to suppress the cap body 19 from rotating with respect to the outer cylindrical body 13 together with the inner cylindrical body 12, It is possible to prevent the rotational force around the container axis O from being transmitted to the finger that has pressed the cap body 19.
Further, since the lower surface of the weighing unit 15 extends gradually downward from the inner side to the outer side in the radial direction, when the inner cylinder 12 is located at the take-out position, the contents in the weighing unit 15 W can be easily moved toward the take-out hole 23.

  The present invention is not limited to the above-described embodiment, and can be changed as appropriate without departing from the spirit of the present invention.

For example, in the above-described embodiment, a spherical body is shown as the contents W. However, the present invention is not limited to this, and other shapes such as a plate-like body may be used, and a powder or a granular body may be appropriately changed.
Further, the cap body 19 may not be provided, or may be appropriately changed such as being formed integrally with the inner cylinder body 12.
Further, the lower surface of the measuring unit 15 may be appropriately changed, for example, a flat surface extending straight in the radial direction.
Further, the resin spring 18 may be a separate body from the inner cylindrical body 12, or a coil spring made of metal, for example, may be employed instead of the resin spring.
The bottom body 14 may be separated from the outer cylinder 13.
Further, it is not necessary to form the flank 31 on the advancing protrusion 25, the top wall part 26 of the advancing protrusion 25 may be a flat surface orthogonal to the container axis O, and the direction in which the top wall part 26 is inclined is as described above. You may change suitably not only in a form.
Further, the overhanging portion 16 may not be formed on the inner cylinder 12.

  In addition, it is possible to appropriately replace the constituent elements in the above-described embodiments with well-known constituent elements without departing from the spirit of the present invention, and the above-described modified examples may be appropriately combined.

DESCRIPTION OF SYMBOLS 1 Measuring container 11 Storage part 12 Inner cylinder 13 Outer cylinder 14 Bottom body 15 Measuring part 19 Cap body 21 Guide part 23 Taking-out hole 25 Advance protrusion 28 Introduction part O Container axis W Contents

Claims (3)

An inner cylindrical body that has a housing portion in which the contents are housed and is supported so as to be movable downward in an upward biased state;
An outer cylinder sheathed on the inner cylinder with the upper end of the inner cylinder projecting upward;
A bottom body that closes each lower end opening of both the cylinders, and a weighing container comprising:
On the inner peripheral surface of the outer cylindrical body and the outer peripheral surface of the inner cylindrical body, when the inner cylindrical body is pressed against the outer cylindrical body, the inner cylindrical body is moved with respect to the outer cylindrical body. A guide part that is lowered while rotating around the container axis is formed,
The inner cylindrical body is formed with a measuring portion that accommodates a specified amount of contents,
The outer cylinder is formed with a take-out hole for taking out the contents in the measuring part,
The bottom body is provided with an advancing protrusion that advances into the housing portion as the inner cylinder moves downward.
The advancing protrusion is formed with an introduction portion that guides the contents of the housing portion to the measuring portion,
As the inner cylinder is pressed and released from the outer cylinder, the measuring section and the introducing section are communicated with each other, and the communication between the measuring section and the take-out hole is blocked. It is arranged to move between a measuring position and an extracting position where the measuring part and the extraction hole communicate with each other and the communication between the measuring part and the introduction part is blocked. Weighing container.   The measuring container according to claim 1, wherein a cap body is fitted to an upper end portion of the inner cylindrical body so as to be rotatable around a container axis. The extraction hole is a through-hole that penetrates the outer cylindrical body in a radial direction,
The measuring portion is a through-hole penetrating the inner cylinder in the radial direction, and a lower surface of the measuring portion extends gradually downward from the inner side to the outer side in the radial direction. 3. A measuring container according to 1 or 2.

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