JP2017202027A - Mesh type nebulizer and replacement set - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mesh type nebulizer which allows a user to perform maintenance easily.SOLUTION: A mesh type nebulizer 1 includes a body 10 having a recess 16 of a shape opened upward, which atomizes and jets liquid through a mesh part 24a. The body 10 includes a vibration part 40 having a vibration surface 43 disposed at a position corresponding to a bottom surface 16a of the recess 16, supply parts 17 and 18 for supplying liquid toward the vibration surface 43 of the vibration part 40, and a replacement set 20 removably mounted on the body 10. The replacement set 20 includes a plurality of replacement pieces 24, each including a mesh part 24a, to be disposed so as to face the vibration surface 43. The mesh type nebulizer 1 includes a feed mechanism 100 for irreversibly taking out one of the plurality of replacement pieces 24 from the replacement set 20 sequentially, and feeding it to the bottom surface 16a of the recess 16 so as to face the vibration surface 43.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a mesh-type nebulizer, and more particularly to a mesh-type nebulizer that atomizes and ejects a liquid supplied between a vibration surface and a mesh portion through the mesh portion.

  The invention also relates to an exchange set used to construct such a mesh nebulizer.

  Conventionally, as this type of mesh nebulizer, for example, as disclosed in Patent Document 1 (Japanese Patent Laid-Open No. 2014-4208), the main body is provided with a horn vibrator, and can be attached to and detached from the main body. It is known to have a mesh cap that can be moved). When the mesh cap is attached to the main body and closed, the vibration surface of the horn vibrator faces the mesh portion of the mesh cap. In this state, a chemical solution is supplied between the vibration surface and the mesh portion, and a driving voltage is applied to the horn vibrator to vibrate the vibration surface. Thereby, the said chemical | medical solution is atomized through the said mesh part, and it ejects.

JP 2014-4208 A

  However, in the above-described mesh type nebulizer, it is necessary to remove the mesh cap from the main body each time after use, and to wash, disinfect, and dry the mesh cap including the mesh portion. For this reason, there is a problem that care is troublesome for the user. Furthermore, since the mesh cap is a precision part, there is a problem that it is easily damaged by cleaning and is difficult to clean. Further, if the mesh part is not properly cleaned, there is a problem that it is unsanitary and the spray efficiency is lowered.

  Accordingly, an object of the present invention is to provide a mesh type nebulizer that is hygienic and easy to care for a user without reducing spray efficiency.

  Moreover, the subject of this invention is providing the replacement | exchange set used for comprising such a mesh type nebulizer.

In order to solve the above problems, the mesh nebulizer of the present invention is
A mesh type nebulizer that atomizes and ejects liquid through the mesh part,
A main body having a concave portion opened upward;
The main body
A vibrating portion having a vibrating surface disposed at a position corresponding to the bottom surface of the recess;
A supply unit for supplying liquid toward the vibration surface of the vibration unit;
An exchange set that is detachably attached to the main body, and the exchange set includes a plurality of exchange pieces including the mesh portion to be installed so as to face the vibration surface.
The mesh nebulizer includes a feed mechanism that irreversibly removes one of the plurality of replacement pieces sequentially from the replacement set and supplies the bottom surface of the recess so as to face the vibration surface. To do.

  The planar shape of the concave portion widely includes an annular shape such as a circle or a rounded square (a square with rounded corners).

  A user who intends to use the mesh type nebulizer according to the present invention detachably mounts the replacement set in a concave portion opened upward from the main body. The replacement set includes a plurality of replacement pieces including the mesh portion that should be installed so as to face the vibration surface. In this mounted state, the user irreversibly removes the first one of the plurality of replacement pieces (this will be referred to as “first replacement piece” as appropriate) from the replacement set by the feed mechanism. The bottom surface is supplied so as to face the vibration surface. Thereby, the mesh part of the first replacement piece is in a state of facing the vibration surface.

  In use, the liquid supply unit supplies liquid toward the vibration surface of the vibration unit. Thereby, a liquid is supplied between the vibration surface and the mesh part. And a drive voltage is applied to the said vibration part, and a vibration surface is vibrated. Thereby, the liquid is atomized and ejected through the mesh part (more precisely, a plurality of through holes penetrating the replacement piece).

  As described above, the mesh nebulizer of the present invention is easy to care for the user. Furthermore, since a new mesh part is used every time it is used, it is hygienic and the spray efficiency is not reduced.

In the mesh nebulizer of one embodiment,
The mesh nebulizer further includes a cap member that covers the recess of the main body so as to be opened and closed,
In the exchange set, the plurality of exchange pieces are arranged side by side along the circumferential direction,
The feed mechanism includes a protrusion provided to protrude from the main body side of the cap member, and a rotation shaft that rotates the replacement set around a central axis that can be parallel to the axial direction of the main body.
When the replacement set is rotated around the rotation shaft, one of the plurality of replacement pieces is sequentially arranged to face the vibration surface,
When the cap member is closed with respect to the main body, one of the plurality of replacement pieces arranged so that the protrusion faces the vibration surface is pressed toward the bottom surface of the recess. Thus, one of the plurality of replacement pieces arranged to face the vibration surface is cut out from the replacement set and supplied to the bottom surface of the recess.

  In the mesh type nebulizer of this embodiment, after the replacement set is mounted, the replacement mechanism is rotated around the rotation axis by the feed mechanism, whereby the first one of the plurality of replacement pieces ( The first replacement piece) is arranged to face the vibration surface. When the cap member is closed with respect to the main body by the user, the first replacement piece among the plurality of replacement pieces arranged so that the protrusion of the feed mechanism faces the vibration surface is the recess. Is pressed toward the bottom surface. Thereby, the first replacement piece among the plurality of replacement pieces arranged to face the vibration surface is cut out from the replacement set and supplied to the bottom surface of the recess.

  When the mesh nebulizer is used again after one use with the first replacement piece, the user can use the feed mechanism to replace the first replacement piece with the next one of the plurality of replacement pieces. (Next replacement piece) is supplied in the same procedure as described above so that the bottom surface of the recess faces the vibration surface. Thereby, the mesh part of the said next replacement piece will be in the state which opposes the said vibration surface.

  In this way, the user can easily and quickly remove one of the plurality of replacement pieces sequentially from the replacement set by the feed mechanism so that the bottom surface of the recess faces the vibration surface. Can be supplied to.

In the mesh nebulizer of one embodiment,
At least a part of the replacement set is exposed from the outer peripheral surface of the main body.

  In the mesh nebulizer of this embodiment, the user can rotate the replacement set using the exposed portion.

In the mesh nebulizer of one embodiment,
The mesh-type nebulizer, wherein the concave portion has a shape that gradually opens upward.

  In the mesh type nebulizer according to this embodiment, the replacement piece cut out from the replacement set can be smoothly guided to the bottom surface of the recess.

In the mesh nebulizer of one embodiment,
The replacement set has a perforation for cutting out a plurality of replacement pieces.

  In the mesh type nebulizer according to this embodiment, the replacement piece can be cut out with a weak pressing force. Therefore, it is possible to cut the replacement piece from the replacement set along the perforation even with a weak pressing force generated when the user closes the cap member.

In the mesh nebulizer of one embodiment,
It is further provided with the 1st and 2nd fixing member for clamping the said exchange set.

  In the mesh nebulizer of this embodiment, the replacement set does not shift in the vertical direction. With this configuration, by closing the cap member, the projection of the cap member can be pressed perpendicularly to the surface of the replacement piece. Therefore, the surface of the replacement piece can be efficiently pressed by the protrusion of the cap member. Therefore, the replacement piece can be cut out from the replacement set even with a weak pressing force generated when the user closes the cap member.

In the mesh nebulizer of one embodiment,
The mesh nebulizer further includes a cap member that covers the recess of the main body so as to be opened and closed,
In the exchange set, the plurality of exchange pieces are stacked and arranged,
The feed mechanism includes: a pressing member for extruding an exchanging piece present at a specific position in the vertical direction among the plurality of exchanging pieces; and opening and closing of the cap member with respect to the main body in the horizontal direction of the pressing member. A conversion member that converts to motion, and a biasing member that sequentially biases the plurality of replacement pieces toward the specific position,
When the cap member is opened to the main body, the pressing member is moved in the horizontal direction by the conversion member, and the replacement piece at the specific position is pushed out in the horizontal direction by the pressing member. The piece is supplied so as to face the vibration surface.

  In the mesh type nebulizer of this embodiment, when the replacement set is mounted in the recess of the main body, a plurality of replacement pieces of the replacement set are stacked in the vertical direction, and the biasing member of the feed mechanism The first one (the first exchange piece) of the plurality of exchange pieces is biased toward the specific position. In this state, when the cap member is opened with respect to the main body by the user, the pressing member is moved in the horizontal direction by the conversion member of the feed mechanism, and the replacement member ( The first replacement piece) is pushed out in the horizontal direction. Accordingly, the first replacement piece is supplied so as to face the vibration surface. At the same time, the biasing member of the feed mechanism is in a state where the next one (the next replacement piece) of the plurality of replacement pieces is biased toward the specific position.

  When the mesh nebulizer is used again after the first use with the first replacement piece, the cap member is opened to the main body by the user. Then, the pressing member is moved in the horizontal direction by the conversion member of the feed mechanism, and the replacement piece (next replacement piece) at the specific position is pushed out in the horizontal direction by the pressing member. Accordingly, the next replacement piece is supplied so as to face the vibration surface.

  In this way, the user can easily and quickly remove one of the plurality of replacement pieces sequentially from the replacement set by the feed mechanism so that the bottom surface of the recess faces the vibration surface. Can be supplied to.

In the mesh nebulizer of one embodiment,
The pressing member is characterized in that the replacement piece supplied so as to face the vibration surface is pushed out in the horizontal direction by the replacement piece at the specific position and discharged.

  In the mesh type nebulizer of this embodiment, the used replacement piece can be discharged simultaneously with supplying the unused replacement piece to the bottom surface of the recess. For this reason, the care is further simplified for the user.

  In another aspect, the exchange set of the present invention is an exchange set used to constitute the mesh nebulizer.

  As is clear from the above, the mesh nebulizer of the present invention is easy to care for the user. Furthermore, since a new mesh part is used every time it is used, it is hygienic and the spray efficiency is not reduced.

The place which looked at the mesh type nebulizer of one Embodiment of this invention from diagonally is shown. It is the schematic for demonstrating an internal structure when it sees from the left side in the state which the cap member of the mesh type nebulizer of FIG. 1 opened. It is a disassembled perspective view which shows in detail the structure of the 1st fixing member and 2nd fixing member which were included in the main body upper part of FIG. 1, and an exchange set. It is a top view of the exchange set 20 in FIG. It is the schematic for demonstrating an internal structure when it sees from the left side in the state which closed the cap member of the mesh type nebulizer of FIG. It is a figure which shows the block structure of the control system mounted in the main body of the said mesh-type nebulizer. It is a figure which illustrates the aspect which a user uses the said mesh type nebulizer. It is the schematic for demonstrating the exchange set which concerns on the modification of embodiment of this invention.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

(Components of mesh type nebulizer)
FIG. 1 shows a mesh type nebulizer according to an embodiment of the present invention (the whole is denoted by reference numeral 1) as viewed obliquely. FIG. 2 is a schematic diagram for explaining the internal structure when viewed from the left side (direction indicated by arrow A in FIG. 1) in a state where the cap member 30 of the mesh nebulizer 1 of FIG. 1 is opened. .

  As shown in FIGS. 1 and 2, the mesh nebulizer 1 includes a main body lower portion 11 having a substantially elliptical columnar outer shape, and a substantially lower portion 11 that is detachably fitted to the main body lower portion 11 from above. And a main body upper part 12 having an elliptical columnar outer shape. The main body lower portion 11 and the main body upper portion 12 constitute a main body 10.

  As shown in FIG. 1, a power switch 50 for turning on / off the power supply of the nebulizer 1 is provided on the front surface of the lower body 11. In addition, a control system which will be described later is mainly mounted in the lower part 11 of the main body.

  As can be clearly understood from FIG. 2, a concave portion 16 having a substantially circular planar shape opened upward so as to receive a replacement piece 24 of a replacement set 20 described later in the front half region of the upper surface of the main body upper portion 12. Is provided. The recess 16 is formed by a support member 23 supported by the main body upper portion 12, and has a bottom surface 16b orthogonal to the vertical direction of the main body 10 and a side surface 16c orthogonal to the bottom surface 16b. Yes. Furthermore, an opening 16 d is provided on the bottom surface 16 b of the concave portion 16 of the main body 10 so that a vibration surface 43 positioned at the tip of a horn 42 described later is in contact with the mesh portion 24 a of the replacement piece 24.

  A vibration unit 40 is provided inside the main body upper portion 12 at a position corresponding to the recess 16. The vibration unit 40 includes an ultrasonic transducer 41 disposed at a position spaced downward from the recess 16, a vibration surface 43 disposed horizontally at a position corresponding to the bottom surface 16 b of the recess 16, and the ultrasonic transducer 41. And a horn 42 that amplifies the vibration of the ultrasonic transducer 41 and transmits it to the vibration surface 43. A driving voltage for the ultrasonic transducer 41 is supplied from the lower body 11 through a contact electrode provided between the upper body 12 and the lower body 11.

  In addition, a liquid storage portion 17 having a substantially semicircular planar shape is provided in a region corresponding to the latter half of the upper surface of the main body upper portion 12. As can be clearly understood from FIG. 2, the liquid storage part 17 has a bottom surface 17 b that gradually becomes shallower toward the front side. In addition, a liquid supply path 18 for supplying a liquid (chemical solution) from the liquid storage unit 17 toward the vibration surface 43 of the vibration unit 40 is provided continuously to the front side portion of the liquid storage unit 17. The liquid storage part 17 and the liquid supply path 18 constitute a liquid supply part. In the disassembled state of FIGS. 1 and 2, the liquid storage unit 17 is open upward. Therefore, the user can put the chemical into the liquid storage unit 17 from above.

  A substantially oval plate-like cover 31 is coupled to the rear edge of the upper surface of the main body upper portion 12 so as to be rotatable with respect to the main body upper portion 12 via a hinge 38 as indicated by an arrow B. . The cover 31 has a protrusion 33 having a shape protruding in a substantially cylindrical shape on the side facing the upper surface of the main body upper portion 12. As will be described later, when the cover 31 is closed with respect to the upper body 12 and the nebulizer 1 is assembled, the protrusion 33 irreversibly removes one of the plurality of replacement pieces 24 from the replacement set 20 sequentially. The bottom surface 16b of the recess 16 of the main body 10 is supplied so as to face the vibration surface 43. The protrusion 33 constitutes the feed mechanism 100 together with the rotation shaft 25 that rotates the replacement set 20 described later.

  3 is an exploded perspective view showing in detail the configuration of the first fixing member 21 and the second fixing member 22 included in the upper part 12 of the main body and the replacement set 20, and FIG. 4 is an exploded view of the replacement set 20 in FIG. It is a top view. As shown in FIG. 2, the support member 23 of the main body upper portion 12 supports a circular plate-shaped fixing member 22. Here, as shown in FIG. 3, a columnar rotation shaft 25 is provided at a substantially center of the fixing member 22 so as to protrude in a direction perpendicular to the fixing member 22. The fixing member 22 has a fan-shaped opening 22 a at a position corresponding to the recess 16 of the main body 10. Thereby, the replacement piece 24 of the replacement set 20 can be installed in the recess 16 through the opening 22a after being cut by pressing. In addition, the recessed part 16 may have a shape gradually opened as it goes upwards. In this case, the replacement piece 24 can be smoothly guided to the bottom surface 16 b of the recess 16.

  As shown in FIGS. 3 and 4, the replacement set 20 has a circular plate shape as a whole, and includes a plurality of replacement pieces 24 arranged side by side along the circumferential direction. Each replacement piece 24 is set to have the same substantially fan shape. In addition, a through hole 20 a for fitting to the rotation shaft 25 is provided at the center of the replacement set 20. Further, each replacement piece 24 includes a mesh portion 24 a that should be placed so as to face the vibration surface 43. A perforation 20 b is provided around each replacement piece 24 so that the replacement piece 24 itself is separated from the replacement set 20.

  As shown in FIG. 3, a through hole 21 b for fitting to the rotary shaft 25 is provided at the center of the circular plate-shaped fixing member 21. A fan-shaped opening 21 a is provided at a position corresponding to the recess 16 of the main body 10. Through the opening 21 a, the protrusion 33 can press the replacement piece 24 of the replacement set 20 toward the bottom surface of the recess 16.

  With the above-described configuration, the replacement set 20 and the fixing members 21 and 22 are rotated about the rotation shaft 25 in a state where the replacement set 20 is sandwiched between the fixing members 21 and 22, and the opening 21 a is moved to the opening 22 a. It can arrange | position so that it may oppose. Thereby, it becomes possible to arrange | position the opening part 21a so that the recessed part 16 of the main body 10 may be opposed. Further, by rotating the replacement set 20 around the rotation shaft 25, one of the plurality of replacement pieces 24 can be disposed so as to sequentially face the vibration surface 43. Thus, the replacement set 20 can be detachably mounted in the main body upper part 12 in advance when the nebulizer 1 is used. Here, at least a part of the replacement set 20 is exposed from the outer peripheral surface of the main body upper portion 12. With this configuration, the user can rotate the replacement set 20 by touching the exposed portion with a finger. In the present embodiment, the replacement set 20 and the fixing member 21 are each rotated about the rotation shaft 25, but may be configured to rotate around a central axis that can be parallel to the vertical direction of the main body 10. .

  Further, as shown in FIG. 1, a substantially U-shaped engagement frame is provided at the tip of the cover 31 (the end opposite to the hinge 38) so as to be rotatable with respect to the cover 31 via a hinge 39. 32 are connected. When the engagement frame 32 is rotated toward the front surface of the main body upper portion 12 in a state where the cover 31 is closed with respect to the main body upper portion 12, the engagement frame 32 and the engagement protrusion 19 provided on the upper front surface of the main body upper portion 12 It is designed to engage. Thereby, the cover 31 can be fixed to the main body upper portion 12 in a closed state. The cover 31 and the engagement frame 32 constitute a cap member 30. With this configuration, the user can easily open and close the cap member 30 with respect to the main body 10 (main body upper portion 12). Further, the cap member 30 is not lost.

  FIG. 5 shows the internal structure when viewed from the left side (the direction indicated by arrow A in FIG. 1) in a state where the cap member 30 of the mesh nebulizer 1 of FIG. 1 is closed. As shown in FIG. 5, when the cap member 30 is closed with respect to the main body 10, one of the plurality of replacement pieces 24 arranged so that the protrusion 33 faces the vibration surface 43 is placed on the bottom surface of the recess 16. It is pushed toward. Thereby, one of the plurality of replacement pieces 24 arranged to face the vibration surface 43 is cut out from the replacement set 20 and supplied to the bottom surface of the recess 16.

  FIG. 6 shows a block configuration of a control system mounted on the main body 10 of the mesh nebulizer 1. The mesh nebulizer 1 includes an operation unit 61, a notification unit 62, a control unit 63, an oscillation frequency generation unit 64, an atomization unit 65, and a power supply unit 66. In this example, the operation unit 61 includes the power switch 50 shown in FIG. The notification unit 62 may include a buzzer (not shown), for example. The oscillation frequency generation unit 64 applies an alternating drive voltage to the atomization unit 65 based on a control signal from the control unit 63. This drive voltage is output over a certain output time after the power switch 50 is pressed, for example. The output time can be measured by a timer (not shown). The atomization part 65 includes the vibration part 40 and the mesh part 21a of the replacement member 20 shown in FIG. The AC drive voltage from the oscillation frequency generation unit 64 is applied to the ultrasonic transducer 41 of the vibration unit 40 that forms the atomization unit 65. The vibration of the ultrasonic transducer 41 is amplified by the horn 42 and transmitted to the vibration surface 43. When the vibration surface 43 vibrates, the chemical solution supplied to the gap between the vibration surface 43 and the mesh portion 21a is atomized and ejected through the mesh portion 21a. The control unit 63 includes a CPU (Central Processing Unit) and sends a signal to the atomization unit 65 via the oscillation frequency generation unit 64 to control the amount of atomization, continuous operation time, and the like. Further, the control unit 63 notifies that the power is turned on, for example, by lighting or blinking of an LED lamp or the like, or that the battery capacity is insufficient. The power supply unit 66 includes a battery (for example, a DC3V chargeable / dischargeable secondary battery), and supplies power to each unit of the control system.

(About installing the replacement set 20)
A user who intends to use the mesh nebulizer 1 first removes the fixing member 21 from the rotating shaft 25 and then replaces the replacement set 20 with the cap member 30 opened with respect to the main body 10 as shown in FIG. Take out. In this state, the rotating shaft 25 of the fixing member 22 is exposed. Next, the through hole 20 a of the next replacement set 20 is fitted into the rotating shaft 25 of the fixed member 22 and placed on the fixed member 22, and then the through hole 21 b of the fixed member 21 with respect to the fixed shaft 25. Insert. Thereby, the replacement set 20 is clamped by the fixing members 21 and 22. When inserting the fixing member 21, the user arranges the opening 21a so as to face the opening 22a.

(About supply of replacement piece 24)
In the mounted state in which the replacement set 20 is mounted in the above-described procedure, the user rotates the replacement set 20 around the rotation shaft 25 of the feed mechanism 100, so that the first one of the plurality of replacement pieces 24 (the first one) The replacement piece 24) is arranged so as to face the vibration surface 43.

  Next, the user closes the cap member 30 with respect to the main body 10. Then, the first replacement piece 24 among the plurality of replacement pieces 24 arranged so that the protrusion 33 of the feed mechanism 100 faces the vibration surface 43 is pressed toward the bottom surface 16 b of the recess 16. Thus, the first replacement piece 24 among the plurality of replacement pieces 24 arranged to face the vibration surface 43 is cut from the replacement set 20 along the perforation 20b and supplied to the bottom surface 16b of the recess 16. .

  Next, when the mesh nebulizer 1 is used again after one use by the first replacement piece 24, the user uses the feed mechanism 100 to replace the first replacement piece 24 with a plurality of replacement pieces 24. The next one (the next replacement piece 24) is supplied to the bottom surface 16b of the recess 16 so as to face the vibration surface 43 in the same procedure as described above. As a result, the mesh portion 24 a of the next replacement piece 24 faces the vibration surface 43.

  In this way, the user can easily and quickly remove one of the plurality of replacement pieces 24 sequentially from the replacement set 20 by the feed mechanism 100 so that the bottom surface 16a of the recess 16 faces the vibration surface 43. Can be supplied to.

(Use of mesh nebulizer)
When using the mesh nebulizer 1, the user puts a chemical solution in the liquid storage part 17 of the main body upper part 12 in advance. Then, as shown in FIG. 7, the user detachably attaches, for example, a mouthpiece 80 to the opening 31o in the protrusion 33 of the cover 31 in the assembled state. Instead of the mouthpiece 80, an inhalation mask that covers the face of the user 99 may be attached.

  As shown in FIG. 7, when the user tilts the mesh nebulizer 1 slightly forward, the chemical solution is directed from the liquid storage portion 17 constituting the liquid supply portion through the liquid supply path 18 toward the vibration surface 43 of the vibration portion 40. Is supplied. That is, the chemical solution is supplied between the vibration surface 43 and the mesh portion 21a. When the user turns on the power switch 50, a driving voltage is applied to the ultrasonic transducer 41 of the vibrating unit 40 and the vibrating surface 43 is vibrated. Thereby, the chemical | medical solution 90 is atomized and ejected through the mesh part 21a (more precisely, the several through-hole which penetrates the film 21).

  When the mesh nebulizer 1 is used again after one use by the first replacement piece 24, the user replaces the first replacement piece 24 by the feed mechanism 100 and replaces the first replacement piece 24 with the next one. One (this is appropriately referred to as “next replacement piece”) is irreversibly removed from the replacement set 20 and supplied to the bottom surface 16 b of the recess 16 so as to face the vibration surface 43. As a result, the mesh portion 21 a of the next replacement piece 24 faces the vibration surface 43. In this case, the user does not need to clean, disinfect, and dry the replacement piece 24 including the mesh portion 21a every time it is used. Therefore, care is easy for the user. Moreover, since the mesh cap containing the mesh part currently disclosed by patent document 1 (Unexamined-Japanese-Patent No. 2014-4208) is a precision component, it is easy to break and it is difficult to wash | clean. On the other hand, in the present invention, there is no need to clean the replacement piece 24 including the mesh portion 21a. Furthermore, in the present invention, since a new mesh portion 21a is used every time it is used, there is no problem that the spray efficiency is not lowered due to unsanitation without being properly cleaned.

  The replacement piece 24 is typically disposable. When all of the plurality of replacement pieces 24 of the replacement set 20 are used, the user can install a new replacement set 20 in the recess 16 of the main body 10 instead of the used replacement set 20. In that case, the user does not need to clean, disinfect, and dry the used replacement piece 24 and replacement set 20. Therefore, care is easy for the user. Moreover, since the mesh cap containing the mesh part currently disclosed by patent document 1 (Unexamined-Japanese-Patent No. 2014-4208) is a precision component, it is easy to break and it is difficult to wash | clean. On the other hand, in the present invention, there is no need to clean the replacement piece 24 including the mesh portion 21a. Furthermore, in the present invention, since a new mesh portion 21a is used every time it is used, there is no problem that the spray efficiency is not lowered due to unsanitation without being properly cleaned.

(Modification of the replacement set)
FIG. 8 is a schematic view for explaining an exchange set 20A according to a modification of the embodiment of the present invention. FIG. 8 schematically shows the internal structure when the mesh nebulizer 1A is viewed from the side. Compared with the mesh nebulizer 1 in FIG. 2, the mesh nebulizer 1 </ b> A includes an exchange set 20 </ b> A instead of the exchange set 20, and a feed mechanism 100 </ b> A instead of the feed mechanism 100. In addition, in the mesh nebulizer 1A in FIG. 8, the same reference numerals as those of the mesh nebulizer 1 in FIG. 2 are attached to the components that play the same role as the components in the mesh nebulizer 1 in FIG. .

  As shown in FIG. 8, a replacement set 20 </ b> A in which a plurality of replacement pieces 240 are stacked and held in a cylindrical replacement set storage portion 58 having a circular plate-like bottom surface 58 a is held. Further, the replacement set storage portion 58 is fixed by a storage portion fixing member 12 a supported on the side surface of the main body upper portion 12. Here, the bottom surface 58a of the replacement set storage unit 58 is configured to be parallel to the bottom surface of the mesh nebulizer 1A. Each replacement piece 240 has the same disc shape, and a mesh portion 240a is provided at the approximate center of each replacement piece 240.

  An urging member 57 such as a spring and a mounting table 56 are provided on the bottom surface 58 a of the replacement set storage unit 58. The urging member 57 sequentially urges the plurality of replacement pieces 240 toward the uppermost position as the specific position via the mounting table 56. For example, in the present modification, the specific position is the highest position in the vertical direction, but may be other positions. Here, at the uppermost position in the vertical direction, a plate-like biasing stop member 59 for stopping the biasing member 57 from biasing in the vertical direction is opposed to the bottom surface 59a in the replacement set storage portion 58. It is provided as follows. The bias stop member 59 is configured to be movable or rotatable so that the upper part of the replacement set storage portion 58 is opened. As a result, the replacement set 20A can be taken out and the next replacement set 20A can be mounted.

  A pressing member 55 is attached to the main body upper portion 12 to push out the replacement piece 240 located at the uppermost position in the vertical direction among the plurality of replacement pieces 240 in the horizontal direction. The cap member 30 is attached with a conversion member 70 that converts opening and closing of the cap member 30 relative to the main body 10 into a horizontal movement of the pressing member 55. The conversion member 70 includes a first gear 52 having a first gear train, a second gear 53 having a second gear train, and a third gear 54 having a third gear train. Here, the first gear 52 converts the opening / closing motion of the cap member 30 into the rotational motion of the second gear 53. The second gear 53 converts the rotational motion into the rotational motion of the third gear 54. Further, the pressing member 55 has a fourth gear train that converts the rotational motion of the third gear 54 into horizontal motion. In this modification, the conversion member 70 is configured by three gears, but may be configured by using two or four or more gears.

  The main body upper portion 12 is provided with an opening 12b through which the replacement piece 240 supplied by the pressing member 55 so as to face the vibration surface 43 is pushed out horizontally by the replacement piece 240 at a specific position and discharged. . The pressing member 55, the conversion member 70, and the biasing member 57 constitute a feed mechanism.

(About supply of replacement piece 240)
A user who intends to use the mesh type nebulizer 1A of the present invention mounts the replacement set 20A in the replacement set storage portion 58 with the cap member 30 opened with respect to the main body 10 as shown in FIG. In this mounted state, the plurality of replacement pieces 240 of the replacement set 20A are stacked in the vertical direction, and the first one of the plurality of replacement pieces 240 (first replacement piece 240) is urged by the biasing member 57 of the feed mechanism 100A. It is in a state of being biased toward the highest position.

  In this state, when the cap member 30 is opened with respect to the main body 10 by the user, the pressing member 55 of the feed mechanism 100A is moved in the horizontal direction (arrow F direction) by the conversion member 70 of the feed mechanism 100A. 55, the replacement piece 240 at the specific position (first replacement piece 240) is pushed out in the horizontal direction. Thereby, the first replacement piece 240 is supplied so as to face the vibration surface 43. At the same time, the urging member 58 of the feed mechanism 100A is in a state where the next one (the next exchange piece 240) of the plurality of exchange pieces 240 is urged toward the specific position. That is, when the user opens the cap member 30 in the direction of arrow C with respect to the main body 10 as shown in FIG. 8, the first gear train of the first gear 52 and the second gear train of the second gear 53 are The second gear 53 rotates in the direction of arrow D when engaged. Next, the second gear train of the second gear 53 and the third gear train of the third gear 54 mesh with each other, and the third gear 54 rotates in the direction of arrow E. Next, the third gear train of the third gear 54 and the fourth gear train of the pressing member 55 mesh with each other, and the pressing member 55 moves in the direction of arrow F. Next, the replacement piece 240 at the specific position is pushed out in the horizontal direction (arrow G direction) by the movement of the pressing member 55, and the next replacement piece 240 at the specific position is supplied so as to face the vibration surface 43. .

  When the cap member 30 is closed with respect to the main body 10 by the user using the mesh nebulizer 1A, the gears 52, 53, 54 rotate in directions opposite to the above-described directions, and the pressing member 55 Is returned to its original position.

  Next, when the mesh nebulizer 1 </ b> A is used again after one use by the first replacement piece 240, the cap member 30 is opened from the main body 10 by the user. Then, the pressing member 55 is moved in the horizontal direction by the conversion member 70 of the feed mechanism 100A, and the replacement piece 240 (next replacement piece 240) at the specific position is pushed out by the pressing member 55 in the horizontal direction. At the same time, the used replacement piece 240 is pushed out in the horizontal direction (arrow H direction) and is discharged to the outside of the main body 10 through the opening 12b. As a result, the mesh portion 240 a of the next replacement piece 240 faces the vibration surface 43.

  In this way, the user can easily and quickly remove one of the plurality of replacement pieces 240 sequentially from the replacement set 20A by the feed mechanism 100A so that the bottom surface 16a of the recess 16 faces the vibration surface 43. Can be supplied to. Further, since the used replacement piece 240 can be discharged to the outside of the main body 10 at the same time as the next replacement piece 240 is set, the user can further care.

  The above embodiments are merely examples, and various modifications can be made without departing from the scope of the present invention. The plurality of embodiments described above can be established independently, but combinations of the embodiments are also possible. In addition, various features in different embodiments can be established independently, but the features in different embodiments can be combined.

DESCRIPTION OF SYMBOLS 1 Mesh type nebulizer 10 Main body 11 Main body lower part 12 Main body upper part 16 Recessed part 17 Liquid storage part 20,20A Replacement set 21,22 Fixing member 24,240 Replacement piece 24a, 240a Mesh part 25 Rotating shaft 33 Protrusion part 30 Cap member 31 Cover 32 Engagement frame 33 Protruding part 40 Vibrating part 41 Ultrasonic vibrator 42 Horn 43 Vibrating surface 52 1st gear 53 2nd gear 54 3rd gear 55 Pressing member 56 Mounting table 57 Energizing member 58 Replacement set storage part 59 Energizing stop Member 70 Conversion member 100, 100A Feed mechanism

Claims (9)

A mesh type nebulizer that atomizes and ejects liquid through the mesh part,
A main body having a concave portion opened upward;
The main body
A vibrating portion having a vibrating surface disposed at a position corresponding to the bottom surface of the recess;
A supply unit for supplying liquid toward the vibration surface of the vibration unit;
An exchange set that is detachably attached to the main body, and the exchange set includes a plurality of exchange pieces including the mesh portion to be installed so as to face the vibration surface.
The mesh nebulizer includes a feed mechanism that irreversibly removes one of the plurality of replacement pieces sequentially from the replacement set and supplies the bottom surface of the recess so as to face the vibration surface. Mesh type nebulizer. The mesh nebulizer according to claim 1,
The mesh nebulizer further includes a cap member that covers the recess of the main body so as to be opened and closed,
In the exchange set, the plurality of exchange pieces are arranged side by side along the circumferential direction,
The feed mechanism includes a protrusion provided to protrude from the main body side of the cap member, and a rotation shaft that rotates the replacement set around a central axis that can be parallel to the axial direction of the main body.
When the replacement set is rotated around the rotation shaft, one of the plurality of replacement pieces is sequentially arranged to face the vibration surface,
When the cap member is closed with respect to the main body, one of the plurality of replacement pieces arranged so that the protrusion faces the vibration surface is pressed toward the bottom surface of the recess. Accordingly, one of the plurality of replacement pieces arranged to face the vibration surface is cut out from the replacement set and supplied to the bottom surface of the recess. The mesh nebulizer according to claim 2,
At least a part of the replacement set is exposed from the outer peripheral surface of the main body. The mesh nebulizer according to claim 2 or 3,
The mesh-type nebulizer, wherein the concave portion has a shape that gradually opens upward. The mesh nebulizer according to any one of claims 2 to 4,
The mesh type nebulizer, wherein the replacement set has perforations for cutting out a plurality of replacement pieces. The mesh nebulizer according to any one of claims 2 to 5,
A mesh type nebulizer further comprising first and second fixing members for sandwiching the replacement set. The mesh nebulizer according to claim 1,
The mesh nebulizer further includes a cap member that covers the recess of the main body so as to be opened and closed,
In the exchange set, the plurality of exchange pieces are stacked and arranged,
The feed mechanism includes: a pressing member for extruding an exchanging piece present at a specific position in the vertical direction among the plurality of exchanging pieces; and opening and closing of the cap member with respect to the main body in the horizontal direction of the pressing member. A conversion member that converts to motion, and a biasing member that sequentially biases the plurality of replacement pieces toward the specific position,
When the cap member is opened to the main body, the pressing member is moved in the horizontal direction by the conversion member, and the replacement piece at the specific position is pushed out in the horizontal direction by the pressing member. A mesh-type nebulizer, wherein the piece is supplied so as to face the vibration surface. The mesh nebulizer according to claim 7,
The mesh-type nebulizer, wherein the pressing member pushes and discharges the replacement piece supplied so as to face the vibration surface in the horizontal direction with the replacement piece at the specific position.   The exchange set with which the mesh type nebulizer as described in any one of Claim 1 to 7 is mounted | worn.

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