JP4688101B2 - Liquid ejector - Google Patents

Description

  The present invention relates to a liquid ejector, and more particularly to a liquid ejector that can recognize the amount of ejected liquid.

  As this type of ejector, for example, a storage liquid that is required to use a predetermined amount such as a medicine can be determined for use of the predetermined amount. (Patent Document 1)

  The ejector includes a container provided with an upper end opening, means for distributing the administration fluid from the container through the opening, a ring nut for tightening the distribution means to the opening of the container, and movable for operating the distributing means. A nose as an actuating member, and elastic means for converting the movement of the nose relative to the ring nut into the rotation of the rotating element and the reciprocating motion in the axial direction. It is configured to be sequentially positioned in a window which is a predetermined observation position for each dispensing administration.

  The elastic means is comprised of a series of circumferentially spaced flexible legs, the upper of which the legs can react with the first set of one-way serrated teeth of the nose, and the ring nut. A lower portion capable of reacting with one of the second set of serrated teeth, and an intermediate portion attached to the rotating element, whereby the first set of serrated teeth is moved into the second set of serrated shapes by the action of the nose; When approaching a tooth, the upper portion of the small leg is engaged with the adjacent tooth just off the corresponding tooth of the first serrated tooth to rotate and axially move the intermediate portion of the small leg; and The first set of serrated teeth meshes with the teeth that are immediately connected to the corresponding teeth of the second set of serrated teeth, whereby the intermediate portion of the leg is rotated and moved backward in the axial direction. It is configured to make it.

Then, as described above, the numerical value of the number of doses appears in the window by pushing down the nose, and the radial locator protruding from the rotating element protrudes from the nose after the scheduled maximum amount of pharmaceutical dose has been completed. It is configured to stop when hitting.
Japanese Patent No. 3211894

  As described above, the ejector as described above can determine the maximum number of medicines to be administered by stopping the rotating element, but the determination on the number of administrations ends at that time. Certainly, in the above-mentioned ejector, the nose can be pushed down to completely use the medicine in the container after the stop. When the operation is completed, the use of the ejector is completed.

  The present invention proposes a liquid ejector that is capable of tactilely recognizing the required number of ejections by a lock mechanism, has a structure that is different from the conventional one, and that has no unreasonable operation and is highly durable. Further, the present invention proposes a liquid ejector capable of releasing the lock state after the required number of ejections and then releasing the required number of times from the beginning. Furthermore, a liquid ejector that makes a sound when the lock is released after the lock mechanism is activated and can recognize the lock release more clearly is proposed. In addition, a liquid ejector is proposed in which the required number of ejections can be visually recognized not only by a lock mechanism but also by a display mechanism.

As a first means, a cover tube 2 fixed on the aerosol container body A and a stem 8 projecting so as to be able to be pushed in an upward biased state at the upper end of the aerosol container body are fitted, and from the top of the cover cylinder A nozzle 3 having an upper end projecting, a cylindrical push button 4 mounted on the outer periphery of the nozzle so as to be rotatable and capable of depressing the nozzle, and a recognition system for recognizing the number of times the nozzle is depressed, The recognition system includes a rotation mechanism C ₁ that rotates around the nozzle and is capable of being pressed down in an upward biased state by rotating the rotation member C ₁ by a predetermined angle by pressing the push button, and is connected to the rotation mechanism. consists locking mechanism C ₂ Metropolitan to prevent depression of the stem when depressed number said push button of said rotating mechanism is provided radially on the periphery of the said cover cylinder One respectively on the lower surface a plurality of partition plates 20 having a first inclined surface S _1, a swing arm 26 provided with the second inclined surface S ₂ in and the top surface to position the tip portion to the pair of the partition plates projecting It said rotary member is, with preventing the rotation is interposed so as to be pushed down between the said pushbutton times Doude, a plurality of third inclined surface S ₃ of the the lower surface second inclined surface slides The ring member 6 is provided in a ring shape, and slides on the third inclined surface that the second inclined surface abuts and the adjacent first inclined surface when the push button is pressed down, and the rotating arm is adjacent. The lock mechanism is provided with a locking surface a at a predetermined position in the cover cylinder, and a locked surface that abuts the locking surface a at a predetermined position of the rotating member 5. b is provided to prevent the rotating arm from descending.

As a second means, in the first means, the lock mechanism C ₂ uses the upper surface of the protrusion 17 projecting at a predetermined position in the lower part of the cover cylinder 2 as the locking surface a, and The lower surface of the rotating arm 26 was used as the locked surface b.

As a third means, in the first means, the locking mechanism C ₂ is provided with a defect portion 31 having a predetermined vertical width on a specific partition plate of the partition plates 20, and the position of the defect portion lower end position is determined. The upper surface of the partition plate is the locking surface a, and the lower surface of the rotating arm 26 is the locking surface b.

As a fourth means, in the first means, the locking mechanism C ₂ uses the upper surface of the protrusion 17 projecting at a predetermined position in the lower part of the cover cylinder 2 as the locking surface a, and The lower surface of the projecting portion 17a projecting at a predetermined position on the outer surface of the lower cylindrical wall portion 5c of the rotating member 5 was defined as the locked surface b.

As a fifth means, in any one of the first means to the fourth means, there is provided a lock release mechanism C ₃ for releasing the lock state by the lock mechanism C ₂ , and the lock release mechanism C ₃ The push button 4 is configured to be engageable with the rotating member 5 at a predetermined rotational position so as to rotate the locked surface b above the locking surface a.

As a sixth means, in any one of the first to fourth means, a lock release mechanism C ₃ for releasing the lock state by the lock mechanism C ₂ is provided, and the lock release mechanism C ₃ is provided. Has a pressing projection 33 provided with a fourth inclined surface S ₄ that slides with the second inclined surface S ₂ from the lower surface of the elastic plate portion 32 defined on the top wall 11 of the cover cylinder 2, and by pushing the elastic plate part 33, and configured as to rotate the object locking surface b of the locking surface a upward by sliding the fourth inclined surface S ₄ in the second inclined surface S _2.

As a seventh means, in the means of any of the fifth means or the sixth means, when unlocked by the unlocking mechanism C _3, leaving the sound emits sound by the rotation of the rotary member 5 A mechanism was provided.

As an eighth means, in any one of the first to sixth means, a base end portion of the second inclined surface S ₂ is formed on the upper surface of the flange portion 5b of the rotating member 5. A plurality of fifth inclined surfaces S ₅ that are used together as surfaces and slide with the respective third inclined surfaces S ₃ are annularly arranged.

As a ninth means, in the first means, when the rotation mechanism C ₁ , the lock mechanism C _2, and the locked surface b are moved above the locking surface a as the recognition system. And a display mechanism C ₄ that allows a display 29 to face a window hole 19 provided at a predetermined position of the cover cylinder 2.

In the liquid ejector of the present invention, a predetermined ejected liquid is ejected by a simple operation of pushing the push button 4, and the lock mechanism C ₂ is operated when the required number of ejected liquids is reached, and the stem 8 is pushed down. It is possible to prevent the liquid from being ejected and to tactilely recognize that the ejected liquid has reached a predetermined amount. Further, the rotation mechanism C ₁ constituting the recognition system also includes the third inclined surface S ₃ of the ring member 6 and the second partition plate 20t adjacent to the second inclined surface S ₂ of the rotating member 5 when the push button 4 is pushed down. Since it slides on one inclined surface S ₁ and the rotating arm 26 climbs over the adjacent partition plate 20t, it has excellent durability with a reasonable operation and is extremely easy to operate.

As the locking mechanism C ₂ , the upper surface of the protrusion 17 protruding at a predetermined position in the lower part of the cover cylinder 2 is the locking surface a and the lower surface of the rotating arm 26 is the locked surface b. There is an advantage that the protrusion 17 can be formed at a predetermined position with a very simple structure.

Further, as a lock mechanism C _2, the defect 31 of the predetermined vertical width to a specific partition plate of the partition plate 20 is provided, a partition plate upper surface of該欠loss portion lower end position as well as with the locking surface a, the times Similarly, when the lower surface of the moving arm 26 is the surface to be locked b, there is an advantage that it can be formed with a very simple structure in which the partition plate at a predetermined position is simply formed with a narrow vertical width.

The locking mechanism C ₂ has the upper surface of the projection 17 projecting at a predetermined position in the lower part of the cover cylinder 2 as the locking surface a, and projects at a predetermined position on the outer surface of the lower cylinder wall 5c of the rotating member 5. In the case where the lower surface of the projected portion 17a is the locked surface b, the rotation arm 26 is not burdened at the time of locking, so that the durability is improved and the installation positions of the projected portions 17 and 17a are increased. Has the advantage of increasing the degree of freedom compared to the above configuration.

In case of providing the unlocking mechanism C _3, after completion of the required ejection times, but may be ejected required ejection count again from the beginning, it can be repeated any number of times this operation according to the volume of the aerosol container body A .

The unlocking mechanism C _3, the locking surface a above said constitutes the pushbutton 4 to be engaged with the rotary member 5 at a predetermined rotational position when constructed as to rotate the object locking surface b Can be performed by a simple operation of simply rotating the push button 4 in a predetermined direction upon unlocking.

A pressing protrusion 33 having a fourth inclined surface S ₄ that slides with the second inclined surface S ₂ from the lower surface of the elastic plate portion 32 that defines the lock release mechanism C ₃ on the top wall 11 of the cover cylinder 2. Protruding and sliding the fourth inclined surface S ₄ to the second inclined surface S ₂ by pushing the elastic plate portion 33 to rotate the locked surface b above the locking surface a. When configured, the lock can be released without touching the push button 4, so that inconveniences such as hand stains can be prevented.

The flange portion 5b upper surface of the rotary member 5, a plurality of fifth inclined surface S ₅ that slides with the respective third inclined surface S ₃ of the second base end portion of the inclined surface S ₂ as a constituent surfaces annularly When arranged, the rotating member can be rotated more stably, and each part can be operated more smoothly.

When unlocking by the unlocking mechanism C _3, the rotation the apparatus having provided a sound output mechanism emits sound by the rotation of the member 5, there is an advantage that can be recognized more clearly unlocking by hearing.

As a recognition system, when the rotation mechanism C ₁ , the lock mechanism C _2, and the locked surface b move above the locking surface a, the window hole 19 provided at a predetermined position of the cover cylinder 2 When the display mechanism C ₄ is configured to face the display 29, it is possible to recognize the end of the ejection of the liquid not only by touch but also visually, and understand the expected amount more reliably.

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

  FIG. 1 shows an example of the liquid ejector 1 according to the present invention, and the ejector 1 includes an aerosol container body A and an ejector B, and the ejector B further includes a cover cylinder 2, a nozzle 3, a push button 4, and the like. The rotating member 5 and the ring member 6 are provided.

  In the aerosol container body A, a stem 8 is erected so as to be able to be pushed down from the upper end of a cylindrical barrel 7 having a metering valve therein, and a fixed amount of liquid is ejected from the stem 8 when the stem 8 is pushed down. It is the thing of the well-known structure comprised as follows.

  The cover tube 2 has a lower end portion fitted and fixed to the outer periphery of the upper end of the aerosol container body A, and a window hole 9 for projecting the nozzle 3, the push button 4 and the like is provided at the top portion. In the illustrated example, a mounting member 2b formed as a separate member is fitted to the lower end portion of the cover cylinder body 2a in which the top wall 11 having the window hole 9 provided at the center portion is extended from the upper end edge of the peripheral wall 10. It is fitted and fixed to the aerosol container body A via the member 2b.

  The attachment member 2b has a fitting cylinder portion 12 fitted to the upper end of the outer periphery of the aerosol container body A suspended from the lower surface of the flange-like base plate portion 13, and is also described later from the inner peripheral edge of the base plate portion 13. A guide tube portion 14 for guiding the vertical movement of the rotating member is suspended. In addition, a connecting cylinder part 15 is provided on the outer peripheral edge of the base plate part 13 so as to be fitted to the cover cylinder main body 2a. The connecting cylinder portion 15 has a lower end portion having a large diameter via a flange, and a positioning groove 16 is provided at the upper end portion. Further, a rod-like protrusion 17 having an upper surface as a locking surface a is erected at a predetermined position on the upper surface of the base plate portion 13.

  The lower part of the peripheral wall 10 of the cover tube main body 2a is fitted to the outer periphery of the connecting tube portion 15 of the mounting member 2b so as to prevent it from coming out by the concave and convex engaging means, and both are integrated. The diameter of the peripheral wall 10 is reduced through a flange at the center in the vertical direction, and a fitting protrusion 18 that fits into the groove 16 is provided from the inner surface of the peripheral wall 10 below the flange. It is configured so that it can be combined. Further, a window hole 19 is formed at a predetermined position on the peripheral wall 10.

A plurality of partition plates 20 are provided radially on the peripheral edge in the cover tube 2. Each partition plate 20 is provided at equal intervals, and its lower surface is configured as a first inclined surface S ₁ facing in a direction perpendicular to the radius. However, in this example, in order to form an unlocking mechanism, which will be described later, a wide portion 21 with one partition plate removed is provided at a predetermined location, and the protrusion 17 (that is, the engagement portion) is provided below the wide portion 21. The stop surface a) is positioned. Further, the narrow partition plates 20a, 20a are configured such that the center side end surfaces of the two partition plates at a predetermined number of positions are recessed outward from the wide portion 21 to shorten the radial length. Each of the partition plates 20 and 20a is formed separately from the cover tube 2 so as to be fitted, and the upper surface is connected by an annular connecting plate 22, and the connecting plate 22 is connected to the top wall 11 of the cover tube main body 2a. The two are integrated by being fixedly fitted to the back surface via an uneven engagement means or the like. By forming each partition plate 20 separately from the cover tube 2 in this way, it is possible to more easily form the partition plate 20 that often requires a relatively large thickness, and to prevent the occurrence of sink marks or the like as much as possible. Of course, it is also possible to integrally form the cover cylinder and the partition plate.

  The nozzle 3 is fitted on the stem 8 of the aerosol container body A, and has an upper end projecting from the top of the cover tube 2 so as to be pushed upward. In the example of FIG. 1, the bottom end portion of the stem 8 is liquid-tightly fitted on the outer periphery of the stem 8, and the bottomed cylindrical portion for locking the lower end portion of the coil spring 23 is provided protruding from the lower end edge. It has a shape. Therefore, when the nozzle 3 is pushed down, the stem 8 is pushed down, and a fixed amount of liquid is ejected by a known ejection mechanism in the aerosol container body A.

The push button 4 has a cylindrical shape mounted on the outer periphery of the upper portion of the nozzle so as to be rotatable and capable of being pushed down. In the illustrated example, a double cylinder shape having a top is formed so that the nozzle 3 can be pushed through the ring member 6 and the rotating member 5, and an upper cylindrical wall portion of the rotating member 5 which will be described later is formed on the upper outer peripheral portion of the nozzle 3. The lower surface of the ring member is abutted and placed on the upper surface of the base portion of a ring member, which will be described later, via a hemispherical protrusion 24. Moreover, and vertically the projections 25 constituting the lock release mechanism C ₃ from the inner peripheral lower surface.

The rotating member 5 is provided around the nozzle 3 so as to be rotatable and capable of being pushed down in an upward biased state. The tip of the rotating member 5 is positioned between the pair of partition plates 20 and the second inclined surface S ₂ is formed on the upper surface. The provided rotating arm 26 is projected. In the illustrated example, the lower cylindrical wall portion 5c formed in a large diameter from the lower end of the upper cylindrical wall portion 5a fitted to the upper outer periphery of the nozzle 3 so as to be rotatable and vertically movable is formed through the flange portion 5b. The guide tube portion 14 is fitted to the inner periphery of the guide tube portion 14 so as to be vertically movable and rotatable. Furthermore, projecting the swing arm 26 outwardly from the upper end position of the lower tubular wall portion 5c by positioning the distal portion between the pair of partition plates 20, also the second inclined surface S ₂ on the upper surface Provided. The second inclined surface is inclined in a direction orthogonal to the radial direction, and is slidable when the first inclined surface S _{1 of} each partition plate 20 and the first inclined surface S ₁ have substantially the same inclination angle and contact each other. It is composed.

  It should be noted that the use of at least one rotating arm 26 is sufficient. However, in order to rotate the rotating member 5 with more stable and less rattling, an auxiliary rotating arm is provided in addition to the rotating arm. good. The auxiliary rotating arm may be the same length as the rotating arm or may be a short one, and can be appropriately selected depending on the specified ejection amount. When the auxiliary turning arm having the same length as the turning arm is employed, at least a prescribed amount of ejection is performed while the turning arm is rotated 360 °.

In the case of the illustrated example, two short auxiliary rotating arms 26a, 26a are projected at a circumferential interval, and each auxiliary rotating arm is formed at a predetermined protruding position, forming a similar second inclined surface S _2. The number of such auxiliary rotating arms 26a is not particularly limited, but about two to three seems to be appropriate. Further, the projecting position of such a short auxiliary rotating arm 26a is provided so that the angles formed by the adjacent rotating arm or auxiliary rotating arm are different from each other. Further, the projecting width is a projecting width that does not contact the locking surface a and contacts the other partition plate without contacting the narrow partition plate 20a.

Further, the tip of the rotating arm 26 is positioned at a level facing the window hole 19 of the cover cylinder peripheral wall 10, and the tip 29 has a display 29 indicating the end expressed by letters, symbols, patterns, solid coating, etc. They are provided by appropriate methods such as printing and sticking of sealing materials. The coil spring 23 is interposed between the lower surface of the flange portion 5b and the upper surface of the bottomed cylindrical portion of the nozzle 3 to constantly bias upward. Further, the upper surface position of the flange portion 5b is erected the protrusion 30 constituting the lock release mechanism C _3.

The ring member 6 is interposed between the push button 4 and the rotating arm 26 so as to prevent rotation and can be pushed down, and a third inclined surface S _{3 on} which the second inclined surface S ₂ slides is annularly formed on the lower surface. It is connected continuously. In the illustrated example, the third inclined surface S ₃ is provided on the lower surface of the ring-shaped base portion 6 a, a plurality of rotation prevention plates 6 b are provided in the circumferential direction from the outer surface of the base portion 6 a, and each rotation prevention plate 6 b is interposed between the partition plates 20. They are fitted to prevent rotation. The third inclined surface S ₃ is configured so as to be easily slid when the two inclined surfaces S ₂ have substantially the same inclination angle as the second inclined surface S ₂ and come into contact with each other.

In the present invention, a recognition system is provided for recognizing the number of times the nozzle 3 is pushed down, and thus recognizing the number of times the ejection liquid is ejected, that is, the amount of ejection, and the recognition system rotates the rotary member 5 by rotating the push button 4 by a predetermined angle. The mechanism C ₁ is connected to the rotating mechanism and includes a lock mechanism C ₂ that prevents the stem 8 from being pushed down when the push button 4 is pushed down a predetermined number of times.

The rotation mechanism C ₁ includes the partition plate 20, the rotation member, and the ring member 6, and a third inclined surface S _{3 that} abuts the second inclined surface S ₂ when the push button is pressed down and the adjacent first first surface. swing arm 26 slides on the inclined surface S ₁ is being composed as overcome the partition plate 20t adjacent. Referring to FIG. 4, FIG. 4 (a) shows a state in which the rotating arm 26 is positioned between the partition plates adjacent to the wide portion 21, and from this state, the ring member 6 and the push-button 4 are pushed down. When the rotating member 5 is pushed down against the upward biasing force of the coil spring 23 and the stem 8, the flange portion 5b and the bottomed cylindrical portion of the nozzle 3 come into contact with each other to push down the nozzle 3 and eject a predetermined amount of liquid. The rotating arm 26 is initially guided by the adjacent partition plate 20t and descends. When the rotating arm 26 reaches the position shown in FIG. 4B, the rotating arm 26 is detached from the partition plate 20t. ₂ slides on the remaining third inclined surface S ₃ , the rotating arm rotates to the position shown in FIG. 4 (c), and then the push button 4 is released, the second inclined surface S ₂ becomes the first inclined surface. It slides on S ₁ (FIG. 4 (d)), and the rotating arm 26 gets over the partition plate 20t and rotates on the next third inclined surface S ₃ . This if the third inclined surface S ₃ of the following are located locking surface a upward (FIG. 4 (e)).

The locking mechanism C ₂ is provided with a locking surface a at a predetermined position in the cover cylinder 2 and a locked surface b that is in contact with the locking surface a at a predetermined position of the rotating member 5. It is configured to prevent 26 from descending. In the example of FIG. 1, the upper surface of the protrusion 17 projecting at a predetermined position in the lower part of the cover cylinder 2 is the locking surface a, and the lower surface of the rotating arm 26 is the locked surface b. Therefore, when the rotating arm 26 rotates and moves to a predetermined position, even if the push button 4 is pushed in, the locked surface b on the lower surface of the rotating arm 26 does not come into contact with the locking surface a, and as a result, The stem 8 can be prevented from descending, so that no liquid is ejected, and a predetermined amount of liquid has been ejected tactilely.

Further, in the present embodiment is provided with the lock release mechanism C ₃ to release the locked state by the lock mechanism C _2. This unlocking mechanism C ₃ is configured such that after the ejection of a predetermined ejection amount is once finished by the locking mechanism C _{2, a} predetermined ejection amount can be newly ejected from the beginning. a is configured to be positioned below the wide portion 21 provided at a predetermined position between the partition plates 20, and is configured to be able to engage with the rotating member 5 at a predetermined rotation position of the push button 4, thereby rotating the push button 4. Thus, the rotating member 5 is rotated to move the rotating arm 26 above the locking surface a.

Further, in this embodiment, when the lock release by the unlocking mechanism C _3, is provided with a sound output mechanism emits sound by the rotation of the rotary member 5. In the example shown in the figure, a sound generating vibrator 27 is projected from the tip side of the rotating arm 26, and the vibrator 27 is provided at a predetermined position on the inner surface of the peripheral wall 10 of the cover cylinder 2 when unlocked. It is configured to make sound over 28.

  The liquid ejector 1 configured as described above will be described by taking as an example a case where the stored liquid is a scalp medicine. For example, if the push button 4 is pressed into contact with the scalp or the like, the nozzle 3 is pushed in and the stored liquid is ejected, and the push button 4 is pushed in as appropriate from different places, the rotating member 5 rotates at a predetermined rotation angle each time. When the predetermined number of times is reached, the rotating arm 26 is positioned above the locking surface a and cannot be pushed any further. At this time, a display 29 such as an end character can be seen from the window hole 19, and the end can be recognized visually. In the next use, the push button 4 is rotated and the protrusion 25 is engaged with the protrusion 30 of the rotating member 5 and then further rotated, whereby the rotating arm on the locking surface a is rotated. 26 is displaced, and liquid can be ejected, and a predetermined amount of liquid can be ejected again.

6 and 7 show another embodiment. In the example of FIG. 1, instead of the annular connecting plate 22, a cylindrical connecting plate 22a fitted and fixed to the inner peripheral upper end of the cover cylindrical peripheral wall 10 is shown. Each partition plate 20 protrudes from the inner surface. Further, instead of the wide portion 21 and the protrusion 17, a specific partition plate 20 of the partition plates 20 is provided with a defect portion 31 having a predetermined vertical width, and the upper surface of the partition plate at the lower end position of the defect portion is set to the locking surface a. The lock mechanism C ₂ is provided. Further, as the unlocking mechanism C ₃ , a push button 4 similar to the example of FIG. 1 is configured to be engageable with the rotating member 5 at a predetermined rotating position so that the rotating arm 26 above the locking surface a is rotated. It is composed. Further, in the case of this example, two auxiliary rotating arms having the same form as the rotating arm 26 are provided at equal intervals, and three defective portions 31 are provided at equal intervals. The end of the required ejection volume can be recognized three times during 26 rounds. Further, since the auxiliary turning arm 26a has the same length as the turning arm 26, the rotating member 5 can be rotated more stably and less loosely.

  Also in this case, as shown in FIG. 7, the rotating arm 26 moves from 1 to 5 in the order of signs, and the operation is substantially the same as the example of FIG.

8 to 10 show still another embodiment. In the example of FIG. 1, the protrusion 17 is provided at a predetermined position in the annular recess 36 formed in the inner peripheral edge of the base plate 13 of the mounting member 2b. Then, a locking mechanism C ₂ is provided in which the upper surface serves as a locking surface a, and the lower cylindrical wall portion 5c of the rotating member 5 has a protruding portion 17a projecting at a predetermined position on the outer surface and the lower surface serving as a locked surface b. ing. Further, as the lock release mechanism C ₃ , an elastic plate portion 32 is defined on the top wall 11 of the cover cylinder 2, and a fourth inclined surface that slides on the second inclined surface S ₂ from the lower surface of the elastic plate portion. projecting the pressing projection 33 having a surface S _4, it is configured as rotating the object locking surface b of the locking surface a upward by rotating the rotary member 5 by pushing the pressing projections 33 . In the illustrated example, a knob 34 is integrally projected above the upper surface of the elastic plate portion 32 defined in an arc shape so that the pressing projection 33 can be pushed down more easily. Each partition plate 20 projects from the inner surface of the connecting plate 22a as in the example of FIG. 6, and each partition plate 20 below the elastic plate portion 32 is provided with a notch 35 to provide the elastic plate portion 32. Can be pushed in. Others are the same as the embodiment of FIG. In this case, the lock can be released without directly holding the push button 4 by hand.

11 and 12 show still another embodiment, which is provided with a locking surface a and a locked surface b, which are the same locking mechanism C ₂ as the embodiment of FIG. 8 in the embodiment of FIG. . Further, a protective member 37 made of a flexible soft material is provided on the upper end of the push button 4. Further, the flange portion 5b upper surface of the rotary member 5, the second base end portion of the inclined surface S ₂ in combination as a constituent surface and the plurality of slides respectively the third inclined surface S ₃ 5 the inclined surface S ₅ are arranged annularly. Other configurations are the same as those of the embodiment of FIG. By providing the fifth inclined surface S ₅ , each of the third inclined surfaces S ₃ can perform stable sliding with little shaking, and as a result, the rotating member 5 and other members can be smoothly operated. Can do.

It is a disassembled perspective view of this invention liquid ejector. Example 1 It is a longitudinal cross-sectional view of this invention liquid ejector. Example 1 It is explanatory drawing explaining the partition plate of this invention liquid ejector. Example 1 It is explanatory drawing explaining the effect | action of this invention liquid ejector. Example 1 It is principal part expansion explanatory drawing of the sound emission mechanism part of this invention liquid ejector. Example 1 It is a longitudinal cross-sectional view of this invention liquid ejector. (Example 2) It is explanatory drawing explaining the effect | action of this invention liquid ejector. (Example 2) It is a longitudinal cross-sectional view of this invention liquid ejector. (Example 3) It is a top view of this invention liquid ejector. (Example 3) It is explanatory drawing explaining the effect | action of this invention liquid ejector. (Example 3) It is a longitudinal cross-sectional view of this invention liquid ejector. Example 4 It is a perspective view which shows the rotating member and attachment member of this invention liquid ejector. Example 4

Explanation of symbols

2 ... Cover cylinder, 3 ... Nozzle, 4 ... Push button, 5 ... Rotating member, 6 ... Ring member, 11 ... Top wall,
17 ... Projection, 19 ... Window hole, 20 ... Partition plate, 21 ... Wide part, 26 ... Rotating arm, 29 ... Display, 31 ... Defect, 32 ... Elastic plate part, A ... Aerosol container body, C ... Cognition System, C ₁ ... rotation mechanism,
C ₂ ... Lock mechanism, C ₃ ... Unlock mechanism, C ₄ ... Display mechanism, a ... Locking surface, b ... Locked surface,
S ₁ ... 1st slope, S ₂ ... 2nd slope, S ₃ ... 3rd slope, S ₄ ... 4th slope, S ₅ ... 5th slope

Claims (9)

The cover tube 2 fixed on the aerosol container body A and the stem 8 that protrudes to the upper end of the aerosol container body so as to be pushed in an upward biased state are fitted, and the upper end portion projects from the top of the cover tube. A nozzle 3, a cylindrical push button 4 mounted on the outer periphery of the nozzle so as to be rotatable and capable of being pushed down, and a recognition system for recognizing the number of times the nozzle is pushed down. a rotation mechanism C ₁ to a predetermined angle by the rotary member 5 can be provided depressed in a rotatable and upwardly biased state around the nozzle depression of said push button, causes the interlocking with the rotating mechanism, the depression of the push button of a predetermined number of times sometimes it from the lock mechanism C ₂ Metropolitan to prevent depression of the stem, the rotating mechanism, respectively and a lower surface provided radially on the periphery of the said cover cylinder A plurality of partition plates 20 having a first inclined plane S _1, the rotary member is projected a rotational arm 26 having a second inclined surface S ₂ in and the top surface to position the tip portion to the pair of the partitioning plates And a plurality of third inclined surfaces S _{3 on} which the second inclined surface slides on the lower surface in an annular manner while preventing rotation and interposing between the push button and the rotating arm. A ring member 6, which slides on the third inclined surface that the second inclined surface contacts when the push button is pressed down and the adjacent first inclined surface, and the partition plate 20 t on which the rotating arm is adjacent. The locking mechanism is provided with a locking surface a at a predetermined position in the cover cylinder, and a locked surface b that contacts the locking surface a at a predetermined position of the rotating member 5. A liquid ejector configured to prevent the rotating arm from descending. The lock mechanism C ₂ has an upper surface of a projection 17 protruding from a predetermined position in the lower part of the cover cylinder 2 as the locking surface a, and a lower surface of the rotating arm 26 as the locked surface b. Item 1. A liquid ejector according to Item 1. The locking mechanism C ₂ is the defect portion 31 of a predetermined vertical width to a specific partition plate of said partition plate 20 is provided, a partition plate upper surface of該欠loss portion lower end position as well as with the locking surface a, the times The liquid ejector according to claim 1, wherein the lower surface of the moving arm is the locking surface b. The locking mechanism C ₂ has the upper surface of the projection 17 projecting at a predetermined position in the lower part of the cover cylinder 2 as the locking surface a, and projects at a predetermined position on the outer surface of the lower cylinder wall 5c of the rotating member 5. The liquid ejector according to claim 1, wherein the lower surface of the projected portion 17 a is the locked surface b. Wherein the lock release mechanism C ₃ to release the locked state by the lock mechanism C ₂ is provided, said lock release mechanism C ₃ is the locking of the push button 4 the rotary member 5 can engage configured to a predetermined rotational position The liquid ejector according to claim 1, wherein the locked surface b above the surface a is configured to rotate. Wherein the lock release mechanism C ₃ to release the locked state by the lock mechanism C ₂ is provided, said lock release mechanism C _3, the second inclined lower surface of the elastic plate part 32 which defines the top wall 11 of the cover cylinder 2 A pressing protrusion 33 having a fourth inclined surface S ₄ that slides on the surface S ₂ is provided so as to slide the fourth inclined surface S ₄ onto the second inclined surface S ₂ by pressing the elastic plate portion 33. The liquid ejector according to any one of claims 1 to 4, wherein the liquid ejector is configured to be moved so as to rotate a locked surface b above the locking surface a. A plurality of fifth inclined surfaces S that slide together with the third inclined surfaces S ₃ , using the base end portion of the second inclined surface S ₂ as one constituent surface on the upper surface of the flange portion 5b of the rotating member 5. The liquid ejector according to claim 1, wherein ₅ is annularly arranged. The liquid ejector according to claim 5, further comprising a sound output mechanism that emits a sound by the rotation of the rotating member 5 when the lock is released by the lock release mechanism C ₃ . As the recognition system, a window hole 19 provided at a predetermined position of the cover cylinder 2 when the rotation mechanism C ₁ , the lock mechanism C _2, and the locked surface b are moved above the locking surface a. The liquid ejector according to claim 1, further comprising a display mechanism C ₄ that faces the display 29.

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