JP2016165495A - Tablet cassetter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tablet cassetter capable of preventing a tablet from being burdened with an excessive load.SOLUTION: Under a lid unit 15, a discharge hole 48 is provided on a main body 49. A tablet 70 stored in a groove 45 and transferred reaches a space under the lid unit 15 to fall to the lower part from the discharge hole 48; a tablet 70 transferred in a state in which part of the tablet protrudes from the groove 45 becomes in contact with the lid unit 15. A main body unit 12 includes: a first fulcrum 101 that is to be a fulcrum of action of the lid unit 15's part contacting with the tablet 70 when the part in a state in which the contact between the lid unit 15 and the tablet 70 has started is pressed by the tablet 70 to migrate; and a second fulcrum 102 that is to be a fulcrum of action of the lid unit 15's part contacting with the tablet 70 when the part is pressed by the tablet 70 to migrate, after completion of action of the main body unit 12 and an extension unit 13 taking the first fulcrum as the units' fulcrums.SELECTED DRAWING: Figure 14

Description

  The present invention relates to a tablet cassette of a drug supply device such as a tablet that is installed in a drug supply device that is installed mainly in a hospital or the like and appropriately selects and takes out drugs such as tablets and capsules according to a prescription for each patient. .

  Conventionally, a tablet cassette is disclosed in, for example, Japanese Patent Laid-Open No. 9-266940 (Patent Document 1).

JP-A-9-266940

  In the conventional cassette, there is a problem that an excessive load is easily applied to the tablet when the tablet moves while contacting the partition plate for guiding the tablet.

  Accordingly, the present invention has been made to solve the above-described problems, and an object of the present invention is to provide a tablet cassette that can prevent an excessive load from being applied to the tablet.

  A tablet cassette according to one aspect of the present invention includes a main body for storing tablets, a feed member provided with a groove for receiving tablets stored in the main body, an elastic portion attached to the main body, And a partition member that includes a lid part that is attached to the part and can close at least a part of the opening of the groove, and has a hole in the main body under the lid part, and the tablet sent in the groove is sent When it reaches the bottom of the lid, it falls to the lower part from the hole in the main body, the tablet sent with a part protruding from the groove contacts the lid, and the elastic part is in a state where the contact between the lid and the tablet has started. The first fulcrum serving as a fulcrum for the movement in which the contact portion of the lid with the tablet is pressed from the tablet, and after the operation of the elastic part with the first fulcrum as a fulcrum is completed, A fulcrum of movement in which the abutting part moves by being pressed from the tablet; And a second fulcrum that.

  Since the tablet cassette configured in this way has two fulcrums, the elastic part can be deformed with a small force by changing the fulcrum according to the position of the tablet, and an excessive load is applied to the tablet. Can be prevented.

Preferably, the first fulcrum is located downstream of the second fulcrum in the tablet flow.
Preferably, the elastic portion has first and second pieces extending in the direction in which the tablet is fed to each other, the first piece is attached to the main body at one end side, the second piece is attached to the lid portion, And the second piece is connected to each other on the other end side.

Preferably, the partition member is manufactured by bending a metal plate.
A tablet cassette according to another aspect of the present invention includes a main body for storing tablets, a feed member provided with a groove for receiving a tablet stored in the main body, an elastic portion attached to the main body, and an elasticity And a partition member that includes a lid part that is attached to the part and can close at least a part of the opening of the groove, and has a hole in the main body under the lid part, and the tablet sent in the groove is sent When it reaches the bottom of the lid, it falls from the hole of the main body to the lower part, the tablet sent with a part protruding from the groove comes into contact with the lid, and the elastic parts are first and second extending in the direction in which the tablets are fed to each other. The first piece is attached to the main body at one end upstream of the tablet flow, the second piece is attached to the lid, and the first and second pieces are connected to each other at the other end downstream. Connected.

  In the tablet cassette configured as described above, the first piece and the second piece are provided, so that even if the lid portion is pressed from the tablet, the lid is set with either one end or the other end as a fulcrum. It is possible to swing the part. As a result, the elastic portion can be deformed with a small force, and an excessive load can be prevented from being applied to the tablet.

It is a front view of the partition plate used with the tablet cassette according to Embodiment 1 of the present invention. It is a top view of the partition plate seen from the direction shown by arrow II in FIG. It is a rear view of the partition plate seen from the direction shown by arrow III in FIG. It is the bottom view of the partition plate seen from the direction shown by arrow IV in FIG. It is a right view of the partition plate seen from the direction shown by the arrow V in FIG. It is the left view of the partition plate seen from the direction shown by arrow VI in FIG. It is sectional drawing along the VII-VII line in FIG. It is sectional drawing along the VIII-VIII line in FIG. It is a perspective view of the partition plate shown in FIG. It is a front view of the tablet cassette according to Embodiment 1. It is a bottom view of the tablet cassette shown in FIG. It is a right view of the tablet cassette shown in FIG. It is a perspective view which shows the tablet counter in which the tablet cassette according to this invention is used. It is a front view which shows the motion of the tablet in a tablet cassette. It is a top view which shows the motion of the tablet in a tablet cassette. It is a figure which shows the partition plate just before contacting a tablet. It is a figure which shows the partition plate of the state which the tablet started the contact to the cover part. It is a figure which shows the partition plate in the state where the tablet was further sent from FIG. It is a figure which shows the partition plate in the state where the tablet was further sent from FIG. It is a figure which shows the partition plate after a tablet passes. It is a perspective view of the partition plate according to a comparative example. It is a figure which shows the contact condition with the tablet in the partition plate according to a comparative example. It is a figure which shows the partition plate according to the comparative example of the state which the tablet started the contact to the cover part. It is a figure which shows the partition plate according to the comparative example of the state which the tablet was further sent from FIG. It is a front view of the partition plate used with the tablet cassette according to Embodiment 2 of this invention. It is a top view of the partition plate seen from the direction shown by arrow XXVI in FIG. It is a rear view of the partition plate seen from the direction shown by arrow XXVII in FIG. It is the bottom view of the partition plate seen from the direction shown by arrow XXVIII in FIG. It is a right view of the partition plate seen from the direction shown by arrow XXIX in FIG. It is a left view of the partition plate seen from the direction shown by arrow XXX in FIG. FIG. 26 is a cross-sectional view taken along line XXXI-XXXI in FIG. 25. It is a perspective view of the partition plate shown in FIG. It is a front view of the tablet cassette according to Embodiment 2. It is a front view which shows the motion of the tablet in a tablet cassette. It is a top view which shows the motion of the tablet in a tablet cassette. It is a top view of the tablet cassette according to Embodiment 3 of this invention.

  Embodiments of the present invention will be described below with reference to the drawings. In the following embodiments, the same or corresponding parts are denoted by the same reference numerals, and description thereof will not be repeated. In addition, the embodiments can be combined.

(Embodiment 1)
1 is a front view of a partition plate used in a tablet cassette according to Embodiment 1 of the present invention. FIG. 2 is a plan view of the partition plate viewed from the direction indicated by the arrow II in FIG. FIG. 3 is a rear view of the partition plate viewed from the direction indicated by arrow III in FIG. FIG. 4 is a bottom view of the partition plate viewed from the direction indicated by the arrow IV in FIG. FIG. 5 is a right side view of the partition plate viewed from the direction indicated by the arrow V in FIG. FIG. 6 is a left side view of the partition plate viewed from the direction indicated by the arrow VI in FIG. FIG. 7 is a cross-sectional view taken along line VII-VII in FIG. 8 is a cross-sectional view taken along line VIII-VIII in FIG. FIG. 9 is a perspective view of the partition plate shown in FIG.

  1 to 9, partition plate 10 used in the tablet cassette according to the first embodiment includes an attachment portion 11 attached to the tablet cassette, a main body portion 12 connected to the attachment portion 11, and a main body. It has the extension part 13 extended in parallel with the part 12, the connection part 19 which connects the main-body part 12 and the extension part 13, and the cover part 15 provided in the extension part 13. As shown in FIG. Two holes 21 and 22 are provided in the attachment portion 11. Both of the two holes 21 and 22 have a long hole shape, and have a shape capable of changing the position of the partition plate 10 with respect to the tablet cassette.

  The vicinity of the boundary between the main body portion 12 and the attachment portion 11 is a second fulcrum 102. The main body 12 can swing around the second fulcrum 102. As the main body 12 swings, the main body 12 and the extending portion 13 connected to the main body 12 swing.

  The vicinity of the connecting portion 19 that connects the main body portion 12 and the extending portion 13 is the first fulcrum 101. The extending part 13 can swing around the first fulcrum 101. A slit 30 is provided between the main body portion 12 and the extending portion 13. By increasing the length of the slit 30, the length of the connecting portion 19 is shortened. The length of the connecting portion 19 in the slit direction is related to the swinging motion of the extending portion 13 around the first fulcrum 101. If the length of the connecting portion 19 in the slit 30 direction is long, the strength of the connecting portion 19 is increased. Therefore, it becomes difficult for the extending portion 13 to swing around the first fulcrum 101.

  The window 14 is a window for viewing the position of a tablet (including a capsule) to be sent, and the partition plate 10 is attached so as to be an optimum position with respect to the position of the tablet sent by the rotor.

  The lid portion 15 is formed in a plate shape, and the edge that contacts the tablet flowing from the attachment portion 11 side is curved so that the tablet moves smoothly. In this example, as shown in FIG. 2, the shape is such that a large mountain exists on the first fulcrum 101 side and a small mountain exists on the second fulcrum 102 side.

  FIG. 10 is a front view of the tablet cassette according to the first embodiment. FIG. 11 is a bottom view of the tablet cassette shown in FIG. 10, and FIG. 12 is a right side view of the tablet cassette shown in FIG. With reference to FIGS. 10 to 12, the partition plate 10 is attached to the front surface of the tablet cassette 40 by screws 41 and 42. The holes 21 and 22 have a long hole shape, and the attachment position of the partition plate 10 can be changed in the vertical direction shown in FIG. Thereby, it is possible to change the attachment position of the partition plate 10 according to the kind (size) of the tablet accommodated in the tablet cassette 40.

  The tablet cassette 40 is provided with a gear 43 for rotating the rotor. This gear 43 is driven from the outside.

  FIG. 13 is a perspective view showing a tablet counter in which the tablet cassette according to the present invention is used. Referring to FIG. 13, a tablet cassette 40 and a cassette base 50 are provided on a tablet counter 60. The tablets stored in the tablet cassette 40 are sent to the tablet counter 60 via the cassette base 50, and the number is counted in the tablet counter 60.

  In this example, the case where the tablet cassette 40 is attached to the tablet counter 60 is shown. However, the present invention is not limited to this.

  FIG. 14 is a front view showing the movement of the tablet in the tablet cassette. FIG. 15 is a plan view showing the movement of the tablet in the tablet cassette. Referring to FIGS. 14 and 15, in the tablet cassette 40, the tablet 44 is discharged from the discharge hole 48 by rotating the rotor 44. The rotor 44 is provided with a groove 45, and the tablet 70 fitted in the groove 45 passes through the lower side of the lid portion 15 and is discharged from the discharge hole 48. However, as shown in FIGS. 14 and 15, when the tablet 70 partially protruding from the groove 45 and protruding upward is fed by the rotor 44 in the direction indicated by the arrow R, the tablet comes into contact with the lid portion 15.

  FIG. 16 is a diagram showing a partition plate immediately before coming into contact with the tablet. Referring to FIG. 16, the tablet 70 may be arranged so as to protrude from the groove 45. When the tablet 70 is fed by the rotor 44 in this state, the tablet 70 approaches the lid portion 15.

  FIG. 17 is a diagram illustrating the partition plate in a state where the tablet starts to contact the lid. Referring to FIG. 17, when tablet 70 contacts lid portion 15, tablet 70 applies a force to lid portion 15 in the direction indicated by arrow 71. Due to this force, the lid portion 15 swings around the first fulcrum 101. As a result, the position of the lid portion 15 is changed from the position shown in FIG. 16, and the gap between the rotor 44 and the lid portion 15 is increased. Then, the tablet 70 is sent by the rotor 44.

  FIG. 18 is a view showing the partition plate in a state where the tablet is further fed from FIG. As shown in FIG. 18, the tablet 70 is further fed, and the tablet 70 is positioned approximately at the midpoint between the first fulcrum 101 and the second fulcrum 102. In this case, the lid portion 15 swings around both the first fulcrum 101 and the second fulcrum 102, and the lid portion 15 is moved to the left substantially parallel to the position shown in FIG.

  FIG. 19 is a diagram showing the partition plate in a state where the tablet is further fed from FIG. Referring to FIG. 19, when the tablet 70 is further fed, the tablet 70 applies a force to the first fulcrum 101 side portion of the lid portion 15 as indicated by an arrow 71. As a result, the lid portion 15 swings around the second fulcrum 102. A portion 15 a of the lid 15 that is not in contact with the tablet 70 covers a part of the groove 45.

  FIG. 20 is a diagram illustrating the partition plate after the tablet has passed. Referring to FIG. 20, if lid 15 and tablet 70 are not in contact with each other, lid 15 is returned to the normal position.

  The tablet cassette 40 according to the first embodiment includes a main body 49 for storing the tablet 70, a rotor 44 as a feeding member provided with a groove 45 for receiving the tablet 70 stored in the main body 49, and a main body. 49. A partition plate 10 including a main body portion 12 and an extension portion 13 as elastic portions attached to 49, and a lid portion 15 attached to the main body portion 12 and capable of closing at least a part of the opening of the groove 45. Is provided. Under the lid portion 15, a discharge hole 48 is provided in the main body 49, and when the tablet 70 received in the groove 45 reaches the bottom of the lid portion 15, the tablet 70 falls downward from the discharge hole 48, and partly from the groove 45. The tablet 70 sent in a state of protruding protrudes from the lid portion 15. The main body portion 12 is a first fulcrum 101 serving as a fulcrum of movement in which the contact portion of the lid portion 15 with the tablet 70 is pressed from the tablet 70 in a state in which the lid portion 15 and the tablet 70 are in contact with each other. And the second fulcrum in which the contact portion of the lid portion 15 with the tablet 70 is pressed and moved from the tablet 70 after the operation of the main body 12 and the extending portion 13 with the first fulcrum as a fulcrum is completed. 102.

  The first fulcrum 101 is located downstream of the second fulcrum 102 in the flow of the tablet 70. The elastic part has a main body part 12 as a first piece and an extension part 13 as a second piece that extend in the direction in which the tablets are fed, and the main body part 12 is attached to the main body 49 on one end side and extends. The portion 13 is attached to the lid portion 15, and the main body portion 12 and the extending portion 13 are connected to each other on the other end side. The partition plate 10 is manufactured by bending a metal plate.

  FIG. 21 is a perspective view of a partition plate according to a comparative example. FIG. 21 is different from the partition plate according to the first embodiment in that an extending portion is interposed between the main body portion 12 and the lid portion 15 in that the lid portion 15 is directly attached to the main body portion 12.

  FIG. 22 is a diagram illustrating a contact state with the tablet on the partition plate according to the comparative example. With reference to FIG. 22, the tablet 70 is fed to the rotor 44. In this case, if the position of the tablet 70 is inappropriate, the tablet 70 contacts the lid portion 15.

  FIG. 23 is a diagram illustrating a partition plate according to a comparative example in a state where the tablet starts to contact the lid. As shown in FIG. 23, when the tablet 70 comes into contact with the lid portion 15, the lid portion 15 largely swings around the first fulcrum 101.

  FIG. 24 is a diagram showing a partition plate according to a comparative example in a state where tablets are further fed from FIG. Referring to FIG. 24, when tablet 70 is further fed, lid portion 15 swings larger. At this time, the lid portion 15 is in a state of not substantially covering the upper portion of the discharge hole 48, and the discharge hole 48 is opened. When the upper portion of the discharge hole 48 is opened, the tablet may fall into the groove 45 and the tablet may fall from the discharge hole 48.

  In the tablet cassette according to Embodiment 1 of the present invention configured as described above and the partition plate used therefor, the tablet 70 is always covered while the tablet 70 is in contact with the lid 15 as compared with the comparative example. A part of the portion 15 covers the groove 45 of the rotor. As a result, since the discharge hole 48 is always covered with the lid portion 15, it is possible to prevent problems such as those in the comparative example.

  In addition, the first fulcrum 101 and the second fulcrum 102 are provided, and the distance between the tablet 70 and the fulcrum becomes longer, and the distance between the fulcrum and the action point becomes longer. Therefore, the lid portion 15 easily swings. Thereby, it can prevent that an excessive burden is applied to a tablet.

  Further, it is possible to prevent an excessive load from being applied to the partition plate 10 and to reduce the vertical deflection of the lid portion 15.

  In addition, since the tablet can move smoothly, an excessive load is applied to the drive source for rotating the rotor 44 and the power transmission unit such as the gear 43 interposed between the rotor 44 and the drive source. This can be prevented.

  As described above, by providing two fulcrums, the lid 15 can escape along the flow of the tablet, and the discharge hole can be reliably sealed.

  Furthermore, if the bending distance at the base of the portion serving as the lid of the discharge groove is increased, the vertical deflection is reduced.

The material of the partition plate 10 is not limited to metal, and may be resin or rubber.
(Embodiment 2)
FIG. 25 is a front view of a partition plate used in the tablet cassette according to the second embodiment of the present invention. FIG. 26 is a plan view of the partition plate viewed from the direction indicated by arrow XXVI in FIG. FIG. 27 is a rear view of the partition plate viewed from the direction indicated by the arrow XXVII in FIG. FIG. 28 is a bottom view of the partition plate viewed from the direction indicated by the arrow XXVIII in FIG. FIG. 29 is a right side view of the partition plate viewed from the direction indicated by the arrow XXIX in FIG. FIG. 30 is a left side view of the partition plate viewed from the direction indicated by arrow XXX in FIG. FIG. 31 is a cross-sectional view taken along line XXXI-XXXI in FIG. 32 is a perspective view of the partition plate shown in FIG. FIG. 33 is a front view of the tablet cassette according to the second embodiment. FIG. 34 is a front view showing the movement of the tablet in the tablet cassette. FIG. 35 is a plan view showing the movement of the tablet in the tablet cassette.

  Referring to FIGS. 25 to 35, partition plate 10 used in the tablet cassette according to the second embodiment includes an attachment portion 11 attached to the tablet cassette, a main body portion 12 connected to attachment portion 11, and a main body. An extension part 13 extending in parallel with the part 12, a connection part 19 for connecting the main body part 12 and the extension part 13, and a lid part 15 provided on the extension part 13, and the main body part 12 on the upper side. The extending portion 13 and the lid portion 15 are provided on the lower side.

  The tablet cassette 40 according to the second embodiment configured as described above has the same effects as the tablet cassette 40 according to the first embodiment.

(Embodiment 3)
FIG. 36 is a plan view of a tablet cassette according to Embodiment 3 of the present invention. 36, the tablet cassette according to the third embodiment is the same as the tablet cassette according to the first embodiment in that the first fulcrum 101 and the second fulcrum 102 are constituted by coil springs 81 and 82. Different.

  DESCRIPTION OF SYMBOLS 10 Partition plate, 11 Mounting part, 12 Main body part, 13 Extension part, 14 Window, 15 Lid part, 19 Connection part, 21,22 hole, 30 Slit, 40 Tablet cassette, 41, 42 Screw, 43 Gear, 44 Rotor , 45 grooves, 48 discharge holes, 49 body, 50 cassette base, 60 tablet counter, 70 tablets, 81, 82 coil spring, 101 first fulcrum, 102 second fulcrum.

Claims (5)

A main body for storing tablets;
A feeding member provided with a groove for receiving a tablet stored in the main body;
A partition member including an elastic portion attached to the main body and a lid portion attached to the elastic portion and capable of closing at least a part of the opening of the groove;
Under the lid, there is a hole in the main body, and when the tablet sent in the groove reaches under the lid, it falls from the hole in the main body to the lower part,
The tablet sent in a state in which a part protrudes from the groove abuts on the lid,
The elastic portion is a first fulcrum serving as a fulcrum of movement in which the contact portion of the lid portion with the tablet is pressed from the tablet in a state where the contact between the lid portion and the tablet is started, A tablet having a second fulcrum serving as a fulcrum for the movement of the lid portion in contact with the tablet after the operation of the elastic portion with the first fulcrum as a fulcrum ends. Cassette.   The tablet cassette according to claim 1, wherein the first fulcrum is located downstream of the second fulcrum in the flow of the tablet.   The elastic part has first and second pieces extending in a direction in which tablets are fed to each other, the first piece is attached to the main body at one end side, and the second piece is attached to the lid part, The tablet cassette according to claim 2, wherein the first and second pieces are connected to each other on the other end side.   The tablet cassette according to claim 3, wherein the partition member is manufactured by bending a metal plate. A main body for storing tablets;
A feeding member provided with a groove for receiving a tablet stored in the main body;
A partition member including an elastic portion attached to the main body and a lid portion attached to the elastic portion and capable of closing at least a part of the opening of the groove;
Under the lid, there is a hole in the main body, and when the tablet sent in the groove reaches under the lid, it falls from the hole in the main body to the lower part,
The tablet sent in a state in which a part protrudes from the groove abuts on the lid,
The elastic part has a first and a second piece extending in the direction in which the tablet is fed to each other, the first piece is attached to the main body on one upstream side of the flow of the tablet, and the second piece is A tablet cassette attached to the lid, wherein the first and second pieces are connected to each other at the other end on the downstream side.

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